5640 lines
142 KiB
C
5640 lines
142 KiB
C
/* $XTermId: button.c,v 1.575 2019/06/30 22:34:03 tom Exp $ */
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/*
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* Copyright 1999-2018,2019 by Thomas E. Dickey
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*
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* All Rights Reserved
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name(s) of the above copyright
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* holders shall not be used in advertising or otherwise to promote the
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* sale, use or other dealings in this Software without prior written
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* authorization.
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*
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*
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* Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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*
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* All Rights Reserved
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*
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* Permission to use, copy, modify, and distribute this software and its
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* documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright notice appear in all copies and that
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* both that copyright notice and this permission notice appear in
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* supporting documentation, and that the name of Digital Equipment
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* Corporation not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior permission.
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*
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*
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* DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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* DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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/*
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button.c Handles button events in the terminal emulator.
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does cut/paste operations, change modes via menu,
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passes button events through to some applications.
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J. Gettys.
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*/
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#include <xterm.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <assert.h>
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#include <X11/Xatom.h>
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#include <X11/Xmu/Atoms.h>
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#include <X11/Xmu/StdSel.h>
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#include <xutf8.h>
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#include <fontutils.h>
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#include <data.h>
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#include <error.h>
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#include <menu.h>
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#include <charclass.h>
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#include <xstrings.h>
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#if OPT_SELECT_REGEX
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#ifdef HAVE_PCRE2POSIX_H
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#include <pcre2posix.h>
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#else
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#ifdef HAVE_PCREPOSIX_H
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#include <pcreposix.h>
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#else /* POSIX regex.h */
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#include <sys/types.h>
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#include <regex.h>
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#endif
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#endif
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#endif
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#define PRIMARY_NAME "PRIMARY"
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#define CLIPBOARD_NAME "CLIPBOARD"
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#define SECONDARY_NAME "SECONDARY"
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#define AtomToSelection(d,n) \
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(((n) == XA_CLIPBOARD(d)) \
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? CLIPBOARD_CODE \
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: (((n) == XA_SECONDARY) \
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? SECONDARY_CODE \
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: PRIMARY_CODE))
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#define isSelectionCode(n) ((n) >= PRIMARY_CODE)
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#define CutBufferToCode(n) ((n) + MAX_SELECTION_CODES)
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#define okSelectionCode(n) (isSelectionCode(n) ? (n) : PRIMARY_CODE)
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#if OPT_WIDE_CHARS
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#include <ctype.h>
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#include <wcwidth.h>
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#else
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#define CharacterClass(value) \
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charClass[(value) & (int)((sizeof(charClass)/sizeof(charClass[0]))-1)]
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#endif
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/*
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* We'll generally map rows to indices when doing selection.
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* Simplify that with a macro.
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*
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* Note that ROW2INX() is safe to use with auto increment/decrement for
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* the row expression since that is evaluated once.
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*/
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#define GET_LINEDATA(screen, row) \
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getLineData(screen, ROW2INX(screen, row))
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/*
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* We reserve shift modifier for cut/paste operations.
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*
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* In principle we can pass through control and meta modifiers, but in
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* practice, the popup menu uses control, and the window manager is likely
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* to use meta, so those events usually are not delivered to
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* SendMousePosition.
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*/
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#define OurModifiers (ShiftMask)
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#define AllModifiers (ShiftMask | LockMask | ControlMask | Mod1Mask | \
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Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask)
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#define BtnModifiers(event) (event->state & OurModifiers)
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#define KeyModifiers(event) (event->xbutton.state & OurModifiers)
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#define IsBtnEvent(event) ((event)->type == ButtonPress || (event)->type == ButtonRelease)
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#define IsKeyEvent(event) ((event)->type == KeyPress || (event)->type == KeyRelease)
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#define KeyState(x) (((int) ((x) & (ShiftMask|ControlMask))) \
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+ (((x) & Mod1Mask) ? 2 : 0))
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/* adds together the bits:
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shift key -> 1
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meta key -> 2
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control key -> 4 */
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#define Coordinate(s,c) ((c)->row * MaxCols(s) + (c)->col)
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static const CELL zeroCELL =
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{0, 0};
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#if OPT_DEC_LOCATOR
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static Bool SendLocatorPosition(XtermWidget xw, XButtonEvent *event);
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static void CheckLocatorPosition(XtermWidget xw, XButtonEvent *event);
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#endif /* OPT_DEC_LOCATOR */
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/* Multi-click handling */
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#if OPT_READLINE
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static Time lastButtonDownTime = 0;
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static int ExtendingSelection = 0;
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static Time lastButton3UpTime = 0;
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static Time lastButton3DoubleDownTime = 0;
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static CELL lastButton3; /* At the release time */
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#endif /* OPT_READLINE */
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static Char *SaveText(TScreen *screen, int row, int scol, int ecol,
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Char *lp, int *eol);
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static int Length(TScreen *screen, int row, int scol, int ecol);
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static void ComputeSelect(XtermWidget xw, CELL *startc, CELL *endc, Bool extend);
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static void EditorButton(XtermWidget xw, XButtonEvent *event);
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static void EndExtend(XtermWidget w, XEvent *event, String *params, Cardinal
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num_params, Bool use_cursor_loc);
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static void ExtendExtend(XtermWidget xw, const CELL *cell);
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static void PointToCELL(TScreen *screen, int y, int x, CELL *cell);
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static void ReHiliteText(XtermWidget xw, CELL *first, CELL *last);
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static void SaltTextAway(XtermWidget xw, int which, CELL *cellc, CELL *cell);
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static void SelectSet(XtermWidget xw, XEvent *event, String *params, Cardinal num_params);
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static void SelectionReceived PROTO_XT_SEL_CB_ARGS;
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static void StartSelect(XtermWidget xw, const CELL *cell);
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static void TrackDown(XtermWidget xw, XButtonEvent *event);
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static void TrackText(XtermWidget xw, const CELL *first, const CELL *last);
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static void UnHiliteText(XtermWidget xw);
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static void _OwnSelection(XtermWidget xw, String *selections, Cardinal count);
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static void do_select_end(XtermWidget xw, XEvent *event, String *params,
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Cardinal *num_params, Bool use_cursor_loc);
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#define MOUSE_LIMIT (255 - 32)
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/* Send SET_EXT_SIZE_MOUSE to enable offsets up to EXT_MOUSE_LIMIT */
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#define EXT_MOUSE_LIMIT (2047 - 32)
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#define EXT_MOUSE_START (127 - 32)
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static int
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MouseLimit(TScreen *screen)
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{
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int mouse_limit;
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switch (screen->extend_coords) {
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default:
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mouse_limit = MOUSE_LIMIT;
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break;
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case SET_EXT_MODE_MOUSE:
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mouse_limit = EXT_MOUSE_LIMIT;
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break;
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case SET_SGR_EXT_MODE_MOUSE:
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case SET_URXVT_EXT_MODE_MOUSE:
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mouse_limit = -1;
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break;
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}
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return mouse_limit;
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}
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static unsigned
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EmitMousePosition(TScreen *screen, Char line[], unsigned count, int value)
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{
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int mouse_limit = MouseLimit(screen);
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/*
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* Add pointer position to key sequence
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*
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* In extended mode we encode large positions as two-byte UTF-8.
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*
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* NOTE: historically, it was possible to emit 256, which became
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* zero by truncation to 8 bits. While this was arguably a bug,
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* it's also somewhat useful as a past-end marker. We preserve
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* this behavior for both normal and extended mouse modes.
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*/
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switch (screen->extend_coords) {
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default:
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if (value == mouse_limit) {
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line[count++] = CharOf(0);
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} else {
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line[count++] = CharOf(' ' + value + 1);
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}
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break;
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case SET_EXT_MODE_MOUSE:
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if (value == mouse_limit) {
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line[count++] = CharOf(0);
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} else if (value < EXT_MOUSE_START) {
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line[count++] = CharOf(' ' + value + 1);
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} else {
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value += ' ' + 1;
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line[count++] = CharOf(0xC0 + (value >> 6));
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line[count++] = CharOf(0x80 + (value & 0x3F));
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}
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break;
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case SET_SGR_EXT_MODE_MOUSE:
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/* FALLTHRU */
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case SET_URXVT_EXT_MODE_MOUSE:
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count += (unsigned) sprintf((char *) line + count, "%d", value + 1);
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break;
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}
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return count;
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}
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static unsigned
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EmitMousePositionSeparator(TScreen *screen, Char line[], unsigned count)
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{
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switch (screen->extend_coords) {
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case SET_SGR_EXT_MODE_MOUSE:
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case SET_URXVT_EXT_MODE_MOUSE:
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line[count++] = ';';
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break;
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}
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return count;
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}
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Bool
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SendMousePosition(XtermWidget xw, XEvent *event)
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{
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XButtonEvent *my_event = (XButtonEvent *) event;
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Bool result = False;
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switch (okSendMousePos(xw)) {
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case MOUSE_OFF:
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/* If send_mouse_pos mode isn't on, we shouldn't be here */
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break;
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case BTN_EVENT_MOUSE:
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case ANY_EVENT_MOUSE:
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if (KeyModifiers(event) == 0) {
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/* xterm extension for motion reporting. June 1998 */
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/* EditorButton() will distinguish between the modes */
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switch (event->type) {
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case MotionNotify:
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my_event->button = 0;
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/* FALLTHRU */
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case ButtonPress:
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/* FALLTHRU */
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case ButtonRelease:
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EditorButton(xw, my_event);
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result = True;
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break;
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}
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}
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break;
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case X10_MOUSE: /* X10 compatibility sequences */
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if (IsBtnEvent(event)) {
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if (BtnModifiers(my_event) == 0) {
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if (my_event->type == ButtonPress)
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EditorButton(xw, my_event);
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result = True;
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}
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}
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break;
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case VT200_HIGHLIGHT_MOUSE: /* DEC vt200 hilite tracking */
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if (IsBtnEvent(event)) {
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if (my_event->type == ButtonPress &&
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BtnModifiers(my_event) == 0 &&
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my_event->button == Button1) {
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TrackDown(xw, my_event);
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result = True;
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} else if (BtnModifiers(my_event) == 0) {
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EditorButton(xw, my_event);
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result = True;
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}
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}
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break;
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case VT200_MOUSE: /* DEC vt200 compatible */
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if (IsBtnEvent(event)) {
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if (BtnModifiers(my_event) == 0) {
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EditorButton(xw, my_event);
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result = True;
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}
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}
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break;
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case DEC_LOCATOR:
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#if OPT_DEC_LOCATOR
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if (IsBtnEvent(event) || event->type == MotionNotify) {
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result = SendLocatorPosition(xw, my_event);
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}
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#endif /* OPT_DEC_LOCATOR */
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break;
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}
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return result;
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}
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#if OPT_DEC_LOCATOR
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#define LocatorCoords( row, col, x, y, oor ) \
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if( screen->locator_pixels ) { \
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(oor)=False; (row) = (y)+1; (col) = (x)+1; \
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/* Limit to screen dimensions */ \
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if ((row) < 1) (row) = 1,(oor)=True; \
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else if ((row) > screen->border*2+Height(screen)) \
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(row) = screen->border*2+Height(screen),(oor)=True; \
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if ((col) < 1) (col) = 1,(oor)=True; \
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else if ((col) > OriginX(screen)*2+Width(screen)) \
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(col) = OriginX(screen)*2+Width(screen),(oor)=True; \
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} else { \
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(oor)=False; \
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/* Compute character position of mouse pointer */ \
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(row) = ((y) - screen->border) / FontHeight(screen); \
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(col) = ((x) - OriginX(screen)) / FontWidth(screen); \
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/* Limit to screen dimensions */ \
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if ((row) < 0) (row) = 0,(oor)=True; \
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else if ((row) > screen->max_row) \
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(row) = screen->max_row,(oor)=True; \
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if ((col) < 0) (col) = 0,(oor)=True; \
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else if ((col) > screen->max_col) \
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(col) = screen->max_col,(oor)=True; \
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(row)++; (col)++; \
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}
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static Bool
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SendLocatorPosition(XtermWidget xw, XButtonEvent *event)
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{
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ANSI reply;
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TScreen *screen = TScreenOf(xw);
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int row, col;
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Bool oor;
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int button;
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unsigned state;
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/* Make sure the event is an appropriate type */
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if ((!IsBtnEvent(event) &&
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!screen->loc_filter) ||
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(BtnModifiers(event) != 0))
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return (False);
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if ((event->type == ButtonPress &&
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!(screen->locator_events & LOC_BTNS_DN)) ||
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(event->type == ButtonRelease &&
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!(screen->locator_events & LOC_BTNS_UP)))
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return (True);
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if (event->type == MotionNotify) {
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CheckLocatorPosition(xw, event);
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return (True);
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}
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/* get button # */
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button = (int) event->button - 1;
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LocatorCoords(row, col, event->x, event->y, oor);
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/*
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* DECterm mouse:
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*
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* ESCAPE '[' event ; mask ; row ; column '&' 'w'
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*/
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memset(&reply, 0, sizeof(reply));
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reply.a_type = ANSI_CSI;
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if (oor) {
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reply.a_nparam = 1;
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reply.a_param[0] = 0; /* Event - 0 = locator unavailable */
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reply.a_inters = '&';
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reply.a_final = 'w';
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unparseseq(xw, &reply);
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if (screen->locator_reset) {
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MotionOff(screen, xw);
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screen->send_mouse_pos = MOUSE_OFF;
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}
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return (True);
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}
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/*
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* event:
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* 1 no buttons
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* 2 left button down
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* 3 left button up
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* 4 middle button down
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* 5 middle button up
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* 6 right button down
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* 7 right button up
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* 8 M4 down
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* 9 M4 up
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*/
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reply.a_nparam = 4;
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switch (event->type) {
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case ButtonPress:
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reply.a_param[0] = (ParmType) (2 + (button << 1));
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break;
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case ButtonRelease:
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reply.a_param[0] = (ParmType) (3 + (button << 1));
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break;
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default:
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return (True);
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}
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/*
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* mask:
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* bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
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* M4 down left down middle down right down
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*
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* Notice that Button1 (left) and Button3 (right) are swapped in the mask.
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* Also, mask should be the state after the button press/release,
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* X provides the state not including the button press/release.
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*/
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state = (event->state
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& (Button1Mask | Button2Mask | Button3Mask | Button4Mask)) >> 8;
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/* update mask to "after" state */
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state ^= ((unsigned) (1 << button));
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/* swap Button1 & Button3 */
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state = ((state & (unsigned) ~(4 | 1))
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| ((state & 1) ? 4 : 0)
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| ((state & 4) ? 1 : 0));
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reply.a_param[1] = (ParmType) state;
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reply.a_param[2] = (ParmType) row;
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reply.a_param[3] = (ParmType) col;
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reply.a_inters = '&';
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reply.a_final = 'w';
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unparseseq(xw, &reply);
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if (screen->locator_reset) {
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MotionOff(screen, xw);
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screen->send_mouse_pos = MOUSE_OFF;
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}
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/*
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* DECterm turns the Locator off if a button is pressed while a filter
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* rectangle is active. This might be a bug, but I don't know, so I'll
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* emulate it anyway.
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*/
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if (screen->loc_filter) {
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screen->send_mouse_pos = MOUSE_OFF;
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screen->loc_filter = False;
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screen->locator_events = 0;
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MotionOff(screen, xw);
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}
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return (True);
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}
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|
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/*
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* mask:
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* bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
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* M4 down left down middle down right down
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*
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* Button1 (left) and Button3 (right) are swapped in the mask relative to X.
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*/
|
|
#define ButtonState(state, mask) \
|
|
{ int stemp = (int) (((mask) & (Button1Mask | Button2Mask | Button3Mask | Button4Mask)) >> 8); \
|
|
/* swap Button1 & Button3 */ \
|
|
(state) = (stemp & ~(4|1)) | ((stemp & 1) ? 4 : 0) | ((stemp & 4) ? 1 : 0); \
|
|
}
|
|
|
|
void
|
|
GetLocatorPosition(XtermWidget xw)
|
|
{
|
|
ANSI reply;
|
|
TScreen *screen = TScreenOf(xw);
|
|
Window root, child;
|
|
int rx, ry, x, y;
|
|
unsigned int mask;
|
|
int row = 0, col = 0;
|
|
Bool oor = False;
|
|
Bool ret = False;
|
|
int state;
|
|
|
|
/*
|
|
* DECterm turns the Locator off if the position is requested while a
|
|
* filter rectangle is active. This might be a bug, but I don't know, so
|
|
* I'll emulate it anyways.
|
|
*/
|
|
if (screen->loc_filter) {
|
|
screen->send_mouse_pos = MOUSE_OFF;
|
|
screen->loc_filter = False;
|
|
screen->locator_events = 0;
|
|
MotionOff(screen, xw);
|
|
}
|
|
|
|
memset(&reply, 0, sizeof(reply));
|
|
reply.a_type = ANSI_CSI;
|
|
|
|
if (okSendMousePos(xw) == DEC_LOCATOR) {
|
|
ret = XQueryPointer(screen->display, VWindow(screen), &root,
|
|
&child, &rx, &ry, &x, &y, &mask);
|
|
if (ret) {
|
|
LocatorCoords(row, col, x, y, oor);
|
|
}
|
|
}
|
|
if (ret == False || oor) {
|
|
reply.a_nparam = 1;
|
|
reply.a_param[0] = 0; /* Event - 0 = locator unavailable */
|
|
reply.a_inters = '&';
|
|
reply.a_final = 'w';
|
|
unparseseq(xw, &reply);
|
|
|
|
if (screen->locator_reset) {
|
|
MotionOff(screen, xw);
|
|
screen->send_mouse_pos = MOUSE_OFF;
|
|
}
|
|
return;
|
|
}
|
|
|
|
ButtonState(state, mask);
|
|
|
|
reply.a_nparam = 4;
|
|
reply.a_param[0] = 1; /* Event - 1 = response to locator request */
|
|
reply.a_param[1] = (ParmType) state;
|
|
reply.a_param[2] = (ParmType) row;
|
|
reply.a_param[3] = (ParmType) col;
|
|
reply.a_inters = '&';
|
|
reply.a_final = 'w';
|
|
unparseseq(xw, &reply);
|
|
|
|
if (screen->locator_reset) {
|
|
MotionOff(screen, xw);
|
|
screen->send_mouse_pos = MOUSE_OFF;
|
|
}
|
|
}
|
|
|
|
void
|
|
InitLocatorFilter(XtermWidget xw)
|
|
{
|
|
ANSI reply;
|
|
TScreen *screen = TScreenOf(xw);
|
|
Window root, child;
|
|
int rx, ry, x, y;
|
|
unsigned int mask;
|
|
int row = 0, col = 0;
|
|
Bool oor = 0;
|
|
Bool ret;
|
|
|
|
ret = XQueryPointer(screen->display, VWindow(screen),
|
|
&root, &child, &rx, &ry, &x, &y, &mask);
|
|
if (ret) {
|
|
LocatorCoords(row, col, x, y, oor);
|
|
}
|
|
if (ret == False || oor) {
|
|
/* Locator is unavailable */
|
|
|
|
if (screen->loc_filter_top != LOC_FILTER_POS ||
|
|
screen->loc_filter_left != LOC_FILTER_POS ||
|
|
screen->loc_filter_bottom != LOC_FILTER_POS ||
|
|
screen->loc_filter_right != LOC_FILTER_POS) {
|
|
/*
|
|
* If any explicit coordinates were received,
|
|
* report immediately with no coordinates.
|
|
*/
|
|
memset(&reply, 0, sizeof(reply));
|
|
reply.a_type = ANSI_CSI;
|
|
reply.a_nparam = 1;
|
|
reply.a_param[0] = 0; /* Event - 0 = locator unavailable */
|
|
reply.a_inters = '&';
|
|
reply.a_final = 'w';
|
|
unparseseq(xw, &reply);
|
|
|
|
if (screen->locator_reset) {
|
|
MotionOff(screen, xw);
|
|
screen->send_mouse_pos = MOUSE_OFF;
|
|
}
|
|
} else {
|
|
/*
|
|
* No explicit coordinates were received, and the pointer is
|
|
* unavailable. Report when the pointer re-enters the window.
|
|
*/
|
|
screen->loc_filter = True;
|
|
MotionOn(screen, xw);
|
|
}
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Adjust rectangle coordinates:
|
|
* 1. Replace "LOC_FILTER_POS" with current coordinates
|
|
* 2. Limit coordinates to screen size
|
|
* 3. make sure top and left are less than bottom and right, resp.
|
|
*/
|
|
if (screen->locator_pixels) {
|
|
rx = OriginX(screen) * 2 + Width(screen);
|
|
ry = screen->border * 2 + Height(screen);
|
|
} else {
|
|
rx = screen->max_col;
|
|
ry = screen->max_row;
|
|
}
|
|
|
|
#define Adjust( coord, def, max ) \
|
|
if( (coord) == LOC_FILTER_POS ) (coord) = (def); \
|
|
else if ((coord) < 1) (coord) = 1; \
|
|
else if ((coord) > (max)) (coord) = (max)
|
|
|
|
Adjust(screen->loc_filter_top, row, ry);
|
|
Adjust(screen->loc_filter_left, col, rx);
|
|
Adjust(screen->loc_filter_bottom, row, ry);
|
|
Adjust(screen->loc_filter_right, col, rx);
|
|
|
|
if (screen->loc_filter_top > screen->loc_filter_bottom) {
|
|
ry = screen->loc_filter_top;
|
|
screen->loc_filter_top = screen->loc_filter_bottom;
|
|
screen->loc_filter_bottom = ry;
|
|
}
|
|
|
|
if (screen->loc_filter_left > screen->loc_filter_right) {
|
|
rx = screen->loc_filter_left;
|
|
screen->loc_filter_left = screen->loc_filter_right;
|
|
screen->loc_filter_right = rx;
|
|
}
|
|
|
|
if ((col < screen->loc_filter_left) ||
|
|
(col > screen->loc_filter_right) ||
|
|
(row < screen->loc_filter_top) ||
|
|
(row > screen->loc_filter_bottom)) {
|
|
int state;
|
|
|
|
/* Pointer is already outside the rectangle - report immediately */
|
|
ButtonState(state, mask);
|
|
|
|
memset(&reply, 0, sizeof(reply));
|
|
reply.a_type = ANSI_CSI;
|
|
reply.a_nparam = 4;
|
|
reply.a_param[0] = 10; /* Event - 10 = locator outside filter */
|
|
reply.a_param[1] = (ParmType) state;
|
|
reply.a_param[2] = (ParmType) row;
|
|
reply.a_param[3] = (ParmType) col;
|
|
reply.a_inters = '&';
|
|
reply.a_final = 'w';
|
|
unparseseq(xw, &reply);
|
|
|
|
if (screen->locator_reset) {
|
|
MotionOff(screen, xw);
|
|
screen->send_mouse_pos = MOUSE_OFF;
|
|
}
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Rectangle is set up. Allow pointer tracking
|
|
* to detect if the mouse leaves the rectangle.
|
|
*/
|
|
screen->loc_filter = True;
|
|
MotionOn(screen, xw);
|
|
}
|
|
|
|
static void
|
|
CheckLocatorPosition(XtermWidget xw, XButtonEvent *event)
|
|
{
|
|
ANSI reply;
|
|
TScreen *screen = TScreenOf(xw);
|
|
int row, col;
|
|
Bool oor;
|
|
|
|
LocatorCoords(row, col, event->x, event->y, oor);
|
|
|
|
/*
|
|
* Send report if the pointer left the filter rectangle, if
|
|
* the pointer left the window, or if the filter rectangle
|
|
* had no coordinates and the pointer re-entered the window.
|
|
*/
|
|
if (oor || (screen->loc_filter_top == LOC_FILTER_POS) ||
|
|
(col < screen->loc_filter_left) ||
|
|
(col > screen->loc_filter_right) ||
|
|
(row < screen->loc_filter_top) ||
|
|
(row > screen->loc_filter_bottom)) {
|
|
/* Filter triggered - disable it */
|
|
screen->loc_filter = False;
|
|
MotionOff(screen, xw);
|
|
|
|
memset(&reply, 0, sizeof(reply));
|
|
reply.a_type = ANSI_CSI;
|
|
if (oor) {
|
|
reply.a_nparam = 1;
|
|
reply.a_param[0] = 0; /* Event - 0 = locator unavailable */
|
|
} else {
|
|
int state;
|
|
|
|
ButtonState(state, event->state);
|
|
|
|
reply.a_nparam = 4;
|
|
reply.a_param[0] = 10; /* Event - 10 = locator outside filter */
|
|
reply.a_param[1] = (ParmType) state;
|
|
reply.a_param[2] = (ParmType) row;
|
|
reply.a_param[3] = (ParmType) col;
|
|
}
|
|
|
|
reply.a_inters = '&';
|
|
reply.a_final = 'w';
|
|
unparseseq(xw, &reply);
|
|
|
|
if (screen->locator_reset) {
|
|
MotionOff(screen, xw);
|
|
screen->send_mouse_pos = MOUSE_OFF;
|
|
}
|
|
}
|
|
}
|
|
#endif /* OPT_DEC_LOCATOR */
|
|
|
|
#if OPT_READLINE
|
|
static int
|
|
isClick1_clean(XtermWidget xw, XButtonEvent *event)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
int delta;
|
|
|
|
if (!IsBtnEvent(event)
|
|
/* Disable on Shift-Click-1, including the application-mouse modes */
|
|
|| (BtnModifiers(event) & ShiftMask)
|
|
|| (okSendMousePos(xw) != MOUSE_OFF) /* Kinda duplicate... */
|
|
||ExtendingSelection) /* Was moved */
|
|
return 0;
|
|
|
|
if (event->type != ButtonRelease)
|
|
return 0;
|
|
|
|
if (lastButtonDownTime == (Time) 0) {
|
|
/* first time or once in a blue moon */
|
|
delta = screen->multiClickTime + 1;
|
|
} else if (event->time > lastButtonDownTime) {
|
|
/* most of the time */
|
|
delta = (int) (event->time - lastButtonDownTime);
|
|
} else {
|
|
/* time has rolled over since lastButtonUpTime */
|
|
delta = (int) ((((Time) ~ 0) - lastButtonDownTime) + event->time);
|
|
}
|
|
|
|
return delta <= screen->multiClickTime;
|
|
}
|
|
|
|
static int
|
|
isDoubleClick3(TScreen *screen, XButtonEvent *event)
|
|
{
|
|
int delta;
|
|
|
|
if (event->type != ButtonRelease
|
|
|| (BtnModifiers(event) & ShiftMask)
|
|
|| event->button != Button3) {
|
|
lastButton3UpTime = 0; /* Disable the cached info */
|
|
return 0;
|
|
}
|
|
/* Process Btn3Release. */
|
|
if (lastButton3DoubleDownTime == (Time) 0) {
|
|
/* No previous click or once in a blue moon */
|
|
delta = screen->multiClickTime + 1;
|
|
} else if (event->time > lastButton3DoubleDownTime) {
|
|
/* most of the time */
|
|
delta = (int) (event->time - lastButton3DoubleDownTime);
|
|
} else {
|
|
/* time has rolled over since lastButton3DoubleDownTime */
|
|
delta = (int) ((((Time) ~ 0) - lastButton3DoubleDownTime) + event->time);
|
|
}
|
|
if (delta <= screen->multiClickTime) {
|
|
/* Double click */
|
|
CELL cell;
|
|
|
|
/* Cannot check ExtendingSelection, since mouse-3 always sets it */
|
|
PointToCELL(screen, event->y, event->x, &cell);
|
|
if (isSameCELL(&cell, &lastButton3)) {
|
|
lastButton3DoubleDownTime = 0; /* Disable the third click */
|
|
return 1;
|
|
}
|
|
}
|
|
/* Not a double click, memorize for future check. */
|
|
lastButton3UpTime = event->time;
|
|
PointToCELL(screen, event->y, event->x, &lastButton3);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
CheckSecondPress3(TScreen *screen, XEvent *event)
|
|
{
|
|
int delta;
|
|
|
|
if (event->type != ButtonPress
|
|
|| (KeyModifiers(event) & ShiftMask)
|
|
|| event->xbutton.button != Button3) {
|
|
lastButton3DoubleDownTime = 0; /* Disable the cached info */
|
|
return 0;
|
|
}
|
|
/* Process Btn3Press. */
|
|
if (lastButton3UpTime == (Time) 0) {
|
|
/* No previous click or once in a blue moon */
|
|
delta = screen->multiClickTime + 1;
|
|
} else if (event->xbutton.time > lastButton3UpTime) {
|
|
/* most of the time */
|
|
delta = (int) (event->xbutton.time - lastButton3UpTime);
|
|
} else {
|
|
/* time has rolled over since lastButton3UpTime */
|
|
delta = (int) ((((Time) ~ 0) - lastButton3UpTime) + event->xbutton.time);
|
|
}
|
|
if (delta <= screen->multiClickTime) {
|
|
CELL cell;
|
|
|
|
PointToCELL(screen, event->xbutton.y, event->xbutton.x, &cell);
|
|
if (isSameCELL(&cell, &lastButton3)) {
|
|
/* A candidate for a double-click */
|
|
lastButton3DoubleDownTime = event->xbutton.time;
|
|
PointToCELL(screen, event->xbutton.y, event->xbutton.x, &lastButton3);
|
|
return 1;
|
|
}
|
|
lastButton3UpTime = 0; /* Disable the info about the previous click */
|
|
}
|
|
/* Either too long, or moved, disable. */
|
|
lastButton3DoubleDownTime = 0;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
rowOnCurrentLine(TScreen *screen,
|
|
int line,
|
|
int *deltap) /* must be XButtonEvent */
|
|
{
|
|
int result = 1;
|
|
|
|
*deltap = 0;
|
|
|
|
if (line != screen->cur_row) {
|
|
int l1, l2;
|
|
|
|
if (line < screen->cur_row)
|
|
l1 = line, l2 = screen->cur_row;
|
|
else
|
|
l2 = line, l1 = screen->cur_row;
|
|
l1--;
|
|
while (++l1 < l2) {
|
|
LineData *ld = GET_LINEDATA(screen, l1);
|
|
if (!LineTstWrapped(ld)) {
|
|
result = 0;
|
|
break;
|
|
}
|
|
}
|
|
if (result) {
|
|
/* Everything is on one "wrapped line" now */
|
|
*deltap = line - screen->cur_row;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static int
|
|
eventRow(TScreen *screen, XEvent *event) /* must be XButtonEvent */
|
|
{
|
|
return (event->xbutton.y - screen->border) / FontHeight(screen);
|
|
}
|
|
|
|
static int
|
|
eventColBetween(TScreen *screen, XEvent *event) /* must be XButtonEvent */
|
|
{
|
|
/* Correct by half a width - we are acting on a boundary, not on a cell. */
|
|
return ((event->xbutton.x - OriginX(screen) + (FontWidth(screen) - 1) / 2)
|
|
/ FontWidth(screen));
|
|
}
|
|
|
|
static int
|
|
ReadLineMovePoint(TScreen *screen, int col, int ldelta)
|
|
{
|
|
Char line[6];
|
|
unsigned count = 0;
|
|
|
|
col += ldelta * MaxCols(screen) - screen->cur_col;
|
|
if (col == 0)
|
|
return 0;
|
|
if (screen->control_eight_bits) {
|
|
line[count++] = ANSI_CSI;
|
|
} else {
|
|
line[count++] = ANSI_ESC;
|
|
line[count++] = '['; /* XXX maybe sometimes O is better? */
|
|
}
|
|
line[count] = CharOf(col > 0 ? 'C' : 'D');
|
|
if (col < 0)
|
|
col = -col;
|
|
while (col--)
|
|
v_write(screen->respond, line, 3);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
ReadLineDelete(TScreen *screen, CELL *cell1, CELL *cell2)
|
|
{
|
|
int del;
|
|
|
|
del = (cell2->col - cell1->col) + ((cell2->row - cell1->row) * MaxCols(screen));
|
|
if (del <= 0) /* Just in case... */
|
|
return 0;
|
|
while (del--)
|
|
v_write(screen->respond, (const Char *) "\177", 1);
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
readlineExtend(XtermWidget xw, XEvent *event)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
int ldelta1, ldelta2;
|
|
|
|
if (IsBtnEvent(event)) {
|
|
XButtonEvent *my_event = (XButtonEvent *) event;
|
|
if (isClick1_clean(xw, my_event)
|
|
&& SCREEN_FLAG(screen, click1_moves)
|
|
&& rowOnCurrentLine(screen, eventRow(screen, event), &ldelta1)) {
|
|
ReadLineMovePoint(screen, eventColBetween(screen, event), ldelta1);
|
|
}
|
|
if (isDoubleClick3(screen, my_event)
|
|
&& SCREEN_FLAG(screen, dclick3_deletes)
|
|
&& rowOnCurrentLine(screen, screen->startSel.row, &ldelta1)
|
|
&& rowOnCurrentLine(screen, screen->endSel.row, &ldelta2)) {
|
|
ReadLineMovePoint(screen, screen->endSel.col, ldelta2);
|
|
ReadLineDelete(screen, &screen->startSel, &(screen->endSel));
|
|
}
|
|
}
|
|
}
|
|
#endif /* OPT_READLINE */
|
|
|
|
/* ^XM-G<line+' '><col+' '> */
|
|
void
|
|
DiredButton(Widget w,
|
|
XEvent *event, /* must be XButtonEvent */
|
|
String *params GCC_UNUSED, /* selections */
|
|
Cardinal *num_params GCC_UNUSED)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
if (IsBtnEvent(event)
|
|
&& (event->xbutton.y >= screen->border)
|
|
&& (event->xbutton.x >= OriginX(screen))) {
|
|
Char Line[6];
|
|
unsigned line, col;
|
|
|
|
line = (unsigned) ((event->xbutton.y - screen->border)
|
|
/ FontHeight(screen));
|
|
col = (unsigned) ((event->xbutton.x - OriginX(screen))
|
|
/ FontWidth(screen));
|
|
Line[0] = CONTROL('X');
|
|
Line[1] = ANSI_ESC;
|
|
Line[2] = 'G';
|
|
Line[3] = CharOf(' ' + col);
|
|
Line[4] = CharOf(' ' + line);
|
|
v_write(screen->respond, Line, 5);
|
|
}
|
|
}
|
|
}
|
|
|
|
#if OPT_READLINE
|
|
void
|
|
ReadLineButton(Widget w,
|
|
XEvent *event, /* must be XButtonEvent */
|
|
String *params GCC_UNUSED, /* selections */
|
|
Cardinal *num_params GCC_UNUSED)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TScreen *screen = TScreenOf(xw);
|
|
Char Line[6];
|
|
int line, col, ldelta = 0;
|
|
|
|
if (!IsBtnEvent(event)
|
|
|| (okSendMousePos(xw) != MOUSE_OFF) || ExtendingSelection)
|
|
goto finish;
|
|
if (event->type == ButtonRelease) {
|
|
int delta;
|
|
|
|
if (lastButtonDownTime == (Time) 0) {
|
|
/* first time and once in a blue moon */
|
|
delta = screen->multiClickTime + 1;
|
|
} else if (event->xbutton.time > lastButtonDownTime) {
|
|
/* most of the time */
|
|
delta = (int) (event->xbutton.time - lastButtonDownTime);
|
|
} else {
|
|
/* time has rolled over since lastButtonUpTime */
|
|
delta = (int) ((((Time) ~ 0) - lastButtonDownTime) + event->xbutton.time);
|
|
}
|
|
if (delta > screen->multiClickTime)
|
|
goto finish; /* All this work for this... */
|
|
}
|
|
line = (event->xbutton.y - screen->border) / FontHeight(screen);
|
|
if (!rowOnCurrentLine(screen, line, &ldelta))
|
|
goto finish;
|
|
/* Correct by half a width - we are acting on a boundary, not on a cell. */
|
|
col = (event->xbutton.x - OriginX(screen) + (FontWidth(screen) - 1)
|
|
/ 2)
|
|
/ FontWidth(screen) - screen->cur_col + ldelta * MaxCols(screen);
|
|
if (col == 0)
|
|
goto finish;
|
|
Line[0] = ANSI_ESC;
|
|
/* XXX: sometimes it is better to send '['? */
|
|
Line[1] = 'O';
|
|
Line[2] = CharOf(col > 0 ? 'C' : 'D');
|
|
if (col < 0)
|
|
col = -col;
|
|
while (col--)
|
|
v_write(screen->respond, Line, 3);
|
|
finish:
|
|
if (event->type == ButtonRelease)
|
|
do_select_end(xw, event, params, num_params, False);
|
|
}
|
|
}
|
|
#endif /* OPT_READLINE */
|
|
|
|
/* repeats <ESC>n or <ESC>p */
|
|
void
|
|
ViButton(Widget w,
|
|
XEvent *event, /* must be XButtonEvent */
|
|
String *params GCC_UNUSED, /* selections */
|
|
Cardinal *num_params GCC_UNUSED)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TScreen *screen = TScreenOf(xw);
|
|
int pty = screen->respond;
|
|
|
|
if (IsBtnEvent(event)) {
|
|
int line;
|
|
|
|
line = screen->cur_row -
|
|
((event->xbutton.y - screen->border) / FontHeight(screen));
|
|
|
|
if (line != 0) {
|
|
Char Line[6];
|
|
|
|
Line[0] = ANSI_ESC; /* force an exit from insert-mode */
|
|
v_write(pty, Line, 1);
|
|
|
|
if (line < 0) {
|
|
line = -line;
|
|
Line[0] = CONTROL('n');
|
|
} else {
|
|
Line[0] = CONTROL('p');
|
|
}
|
|
while (--line >= 0)
|
|
v_write(pty, Line, 1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This function handles button-motion events
|
|
*/
|
|
/*ARGSUSED*/
|
|
void
|
|
HandleSelectExtend(Widget w,
|
|
XEvent *event, /* must be XMotionEvent */
|
|
String *params GCC_UNUSED,
|
|
Cardinal *num_params GCC_UNUSED)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TScreen *screen = TScreenOf(xw);
|
|
CELL cell;
|
|
|
|
TRACE_EVENT("HandleSelectExtend", event, params, num_params);
|
|
|
|
screen->selection_time = event->xmotion.time;
|
|
switch (screen->eventMode) {
|
|
/* If not in one of the DEC mouse-reporting modes */
|
|
case LEFTEXTENSION:
|
|
case RIGHTEXTENSION:
|
|
PointToCELL(screen, event->xmotion.y, event->xmotion.x, &cell);
|
|
ExtendExtend(xw, &cell);
|
|
break;
|
|
|
|
/* If in motion reporting mode, send mouse position to
|
|
character process as a key sequence \E[M... */
|
|
case NORMAL:
|
|
/* will get here if send_mouse_pos != MOUSE_OFF */
|
|
if (okSendMousePos(xw) == BTN_EVENT_MOUSE
|
|
|| okSendMousePos(xw) == ANY_EVENT_MOUSE) {
|
|
(void) SendMousePosition(xw, event);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
HandleKeyboardSelectExtend(Widget w,
|
|
XEvent *event GCC_UNUSED, /* must be XButtonEvent */
|
|
String *params GCC_UNUSED,
|
|
Cardinal *num_params GCC_UNUSED)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
TRACE_EVENT("HandleKeyboardSelectExtend", event, params, num_params);
|
|
ExtendExtend(xw, &screen->cursorp);
|
|
}
|
|
}
|
|
|
|
static void
|
|
do_select_end(XtermWidget xw,
|
|
XEvent *event, /* must be XButtonEvent */
|
|
String *params, /* selections */
|
|
Cardinal *num_params,
|
|
Bool use_cursor_loc)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
screen->selection_time = event->xbutton.time;
|
|
|
|
TRACE(("do_select_end %s @%ld\n",
|
|
visibleEventMode(screen->eventMode),
|
|
screen->selection_time));
|
|
|
|
switch (screen->eventMode) {
|
|
case NORMAL:
|
|
(void) SendMousePosition(xw, event);
|
|
break;
|
|
case LEFTEXTENSION:
|
|
case RIGHTEXTENSION:
|
|
EndExtend(xw, event, params, *num_params, use_cursor_loc);
|
|
#if OPT_READLINE
|
|
readlineExtend(xw, event);
|
|
#endif /* OPT_READLINE */
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
HandleSelectEnd(Widget w,
|
|
XEvent *event, /* must be XButtonEvent */
|
|
String *params, /* selections */
|
|
Cardinal *num_params)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TRACE(("HandleSelectEnd\n"));
|
|
do_select_end(xw, event, params, num_params, False);
|
|
}
|
|
}
|
|
|
|
void
|
|
HandleKeyboardSelectEnd(Widget w,
|
|
XEvent *event, /* must be XButtonEvent */
|
|
String *params, /* selections */
|
|
Cardinal *num_params)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TRACE(("HandleKeyboardSelectEnd\n"));
|
|
do_select_end(xw, event, params, num_params, True);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Copy the selection data to the given target(s).
|
|
*/
|
|
void
|
|
HandleCopySelection(Widget w,
|
|
XEvent *event,
|
|
String *params, /* list of targets */
|
|
Cardinal *num_params)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TRACE_EVENT("HandleCopySelection", event, params, num_params);
|
|
SelectSet(xw, event, params, *num_params);
|
|
}
|
|
}
|
|
|
|
struct _SelectionList {
|
|
String *params;
|
|
Cardinal count;
|
|
Atom *targets;
|
|
Time time;
|
|
};
|
|
|
|
static unsigned
|
|
DECtoASCII(unsigned ch)
|
|
{
|
|
if (xtermIsDecGraphic(ch)) {
|
|
ch = CharOf("###########+++++##-##++++|######"[ch]);
|
|
/* 01234567890123456789012345678901 */
|
|
}
|
|
return ch;
|
|
}
|
|
|
|
#if OPT_WIDE_CHARS
|
|
static Cardinal
|
|
addXtermChar(Char **buffer, Cardinal *used, Cardinal offset, unsigned value)
|
|
{
|
|
if (offset + 1 >= *used) {
|
|
*used = 1 + (2 * (offset + 1));
|
|
allocXtermChars(buffer, *used);
|
|
}
|
|
(*buffer)[offset++] = (Char) value;
|
|
return offset;
|
|
}
|
|
#define AddChar(buffer, used, offset, value) \
|
|
offset = addXtermChar(buffer, used, offset, (unsigned) value)
|
|
|
|
/*
|
|
* Convert a UTF-8 string to Latin-1, replacing non Latin-1 characters by `#',
|
|
* or ASCII/Latin-1 equivalents for special cases.
|
|
*/
|
|
static Char *
|
|
UTF8toLatin1(TScreen *screen, Char *s, unsigned long len, unsigned long *result)
|
|
{
|
|
static Char *buffer;
|
|
static Cardinal used;
|
|
|
|
Cardinal offset = 0;
|
|
|
|
if (len != 0) {
|
|
PtyData data;
|
|
|
|
fakePtyData(&data, s, s + len);
|
|
while (decodeUtf8(screen, &data)) {
|
|
Bool fails = False;
|
|
Bool extra = False;
|
|
IChar value;
|
|
skipPtyData(&data, value);
|
|
if (value == UCS_REPL) {
|
|
fails = True;
|
|
} else if (value < 256) {
|
|
AddChar(&buffer, &used, offset, CharOf(value));
|
|
} else {
|
|
unsigned eqv = ucs2dec(screen, value);
|
|
if (xtermIsDecGraphic(eqv)) {
|
|
AddChar(&buffer, &used, offset, DECtoASCII(eqv));
|
|
} else {
|
|
eqv = AsciiEquivs(value);
|
|
if (eqv == value) {
|
|
fails = True;
|
|
} else {
|
|
AddChar(&buffer, &used, offset, eqv);
|
|
}
|
|
if (isWide((wchar_t) value))
|
|
extra = True;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If we're not able to plug in a single-byte result, insert the
|
|
* defaultString (which normally is a single "#", but could be
|
|
* whatever the user wants).
|
|
*/
|
|
if (fails) {
|
|
const Char *p;
|
|
|
|
for (p = (const Char *) screen->default_string; *p != '\0'; ++p) {
|
|
AddChar(&buffer, &used, offset, *p);
|
|
}
|
|
}
|
|
if (extra)
|
|
AddChar(&buffer, &used, offset, ' ');
|
|
}
|
|
AddChar(&buffer, &used, offset, '\0');
|
|
*result = (unsigned long) (offset - 1);
|
|
} else {
|
|
*result = 0;
|
|
}
|
|
return buffer;
|
|
}
|
|
|
|
int
|
|
xtermUtf8ToTextList(XtermWidget xw,
|
|
XTextProperty * text_prop,
|
|
char ***text_list,
|
|
int *text_list_count)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
Display *dpy = screen->display;
|
|
int rc = -1;
|
|
|
|
if (text_prop->format == 8
|
|
&& (rc = Xutf8TextPropertyToTextList(dpy, text_prop,
|
|
text_list,
|
|
text_list_count)) >= 0) {
|
|
if (*text_list != NULL && *text_list_count != 0) {
|
|
int i;
|
|
Char *data;
|
|
char **new_text_list, *tmp;
|
|
unsigned long size, new_size;
|
|
|
|
TRACE(("xtermUtf8ToTextList size %d\n", *text_list_count));
|
|
|
|
/*
|
|
* XLib StringList actually uses only two pointers, one for the
|
|
* list itself, and one for the data. Pointer to the data is the
|
|
* first element of the list, the rest (if any) list elements point
|
|
* to the same memory block as the first element
|
|
*/
|
|
new_size = 0;
|
|
for (i = 0; i < *text_list_count; ++i) {
|
|
data = (Char *) (*text_list)[i];
|
|
size = strlen((*text_list)[i]) + 1;
|
|
(void) UTF8toLatin1(screen, data, size, &size);
|
|
new_size += size + 1;
|
|
}
|
|
new_text_list = TypeXtMallocN(char *, *text_list_count);
|
|
new_text_list[0] = tmp = XtMalloc((Cardinal) new_size);
|
|
for (i = 0; i < (*text_list_count); ++i) {
|
|
data = (Char *) (*text_list)[i];
|
|
size = strlen((*text_list)[i]) + 1;
|
|
if ((data = UTF8toLatin1(screen, data, size, &size)) != 0) {
|
|
memcpy(tmp, data, size + 1);
|
|
new_text_list[i] = tmp;
|
|
tmp += size + 1;
|
|
}
|
|
}
|
|
XFreeStringList((*text_list));
|
|
*text_list = new_text_list;
|
|
} else {
|
|
rc = -1;
|
|
}
|
|
}
|
|
return rc;
|
|
}
|
|
#endif /* OPT_WIDE_CHARS */
|
|
|
|
static char *
|
|
parseItem(char *value, char *nextc)
|
|
{
|
|
char *nextp = value;
|
|
while (*nextp != '\0' && *nextp != ',') {
|
|
*nextp = x_toupper(*nextp);
|
|
++nextp;
|
|
}
|
|
*nextc = *nextp;
|
|
*nextp = '\0';
|
|
|
|
return nextp;
|
|
}
|
|
|
|
/*
|
|
* All of the wanted strings are unique in the first character, so we can
|
|
* use simple abbreviations.
|
|
*/
|
|
static Bool
|
|
sameItem(const char *actual, const char *wanted)
|
|
{
|
|
Bool result = False;
|
|
size_t have = strlen(actual);
|
|
size_t need = strlen(wanted);
|
|
|
|
if (have != 0 && have <= need) {
|
|
if (!strncmp(actual, wanted, have)) {
|
|
TRACE(("...matched \"%s\"\n", wanted));
|
|
result = True;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* Handle the eightBitSelectTypes or utf8SelectTypes resource values.
|
|
*/
|
|
static Bool
|
|
overrideTargets(Widget w, String value, Atom **resultp)
|
|
{
|
|
Bool override = False;
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
if (!IsEmpty(value)) {
|
|
char *copied = x_strdup(value);
|
|
if (copied != 0) {
|
|
Atom *result = 0;
|
|
Cardinal count = 1;
|
|
int n;
|
|
|
|
TRACE(("decoding SelectTypes \"%s\"\n", value));
|
|
for (n = 0; copied[n] != '\0'; ++n) {
|
|
if (copied[n] == ',')
|
|
++count;
|
|
}
|
|
result = TypeXtMallocN(Atom, (2 * count) + 1);
|
|
if (result == NULL) {
|
|
TRACE(("Couldn't allocate selection types\n"));
|
|
} else {
|
|
char nextc = '?';
|
|
char *listp = (char *) copied;
|
|
count = 0;
|
|
do {
|
|
char *nextp = parseItem(listp, &nextc);
|
|
char *item = x_strtrim(listp);
|
|
size_t len = (item ? strlen(item) : 0);
|
|
|
|
if (len == 0) {
|
|
/* EMPTY */ ;
|
|
}
|
|
#if OPT_WIDE_CHARS
|
|
else if (sameItem(item, "UTF8")) {
|
|
result[count++] = XA_UTF8_STRING(XtDisplay(w));
|
|
}
|
|
#endif
|
|
else if (sameItem(item, "I18N")) {
|
|
if (screen->i18nSelections) {
|
|
result[count++] = XA_TEXT(XtDisplay(w));
|
|
result[count++] = XA_COMPOUND_TEXT(XtDisplay(w));
|
|
}
|
|
} else if (sameItem(item, "TEXT")) {
|
|
result[count++] = XA_TEXT(XtDisplay(w));
|
|
} else if (sameItem(item, "COMPOUND_TEXT")) {
|
|
result[count++] = XA_COMPOUND_TEXT(XtDisplay(w));
|
|
} else if (sameItem(item, "STRING")) {
|
|
result[count++] = XA_STRING;
|
|
}
|
|
*nextp++ = nextc;
|
|
listp = nextp;
|
|
free(item);
|
|
} while (nextc != '\0');
|
|
if (count) {
|
|
result[count] = None;
|
|
override = True;
|
|
*resultp = result;
|
|
} else {
|
|
XtFree((char *) result);
|
|
}
|
|
}
|
|
free(copied);
|
|
} else {
|
|
TRACE(("Couldn't allocate copy of selection types\n"));
|
|
}
|
|
}
|
|
}
|
|
return override;
|
|
}
|
|
|
|
#if OPT_WIDE_CHARS
|
|
static Atom *
|
|
allocUtf8Targets(Widget w, TScreen *screen)
|
|
{
|
|
Atom **resultp = &(screen->selection_targets_utf8);
|
|
|
|
if (*resultp == 0) {
|
|
Atom *result;
|
|
|
|
if (!overrideTargets(w, screen->utf8_select_types, &result)) {
|
|
result = TypeXtMallocN(Atom, 5);
|
|
if (result == NULL) {
|
|
TRACE(("Couldn't allocate utf-8 selection targets\n"));
|
|
} else {
|
|
int n = 0;
|
|
|
|
if (XSupportsLocale()) {
|
|
result[n++] = XA_UTF8_STRING(XtDisplay(w));
|
|
#ifdef X_HAVE_UTF8_STRING
|
|
if (screen->i18nSelections) {
|
|
result[n++] = XA_TEXT(XtDisplay(w));
|
|
result[n++] = XA_COMPOUND_TEXT(XtDisplay(w));
|
|
}
|
|
#endif
|
|
}
|
|
result[n++] = XA_STRING;
|
|
result[n] = None;
|
|
}
|
|
}
|
|
|
|
*resultp = result;
|
|
}
|
|
|
|
return *resultp;
|
|
}
|
|
#endif
|
|
|
|
static Atom *
|
|
alloc8bitTargets(Widget w, TScreen *screen)
|
|
{
|
|
Atom **resultp = &(screen->selection_targets_8bit);
|
|
|
|
if (*resultp == 0) {
|
|
Atom *result = 0;
|
|
|
|
if (!overrideTargets(w, screen->eightbit_select_types, &result)) {
|
|
result = TypeXtMallocN(Atom, 5);
|
|
if (result == NULL) {
|
|
TRACE(("Couldn't allocate 8bit selection targets\n"));
|
|
} else {
|
|
int n = 0;
|
|
|
|
if (XSupportsLocale()) {
|
|
#ifdef X_HAVE_UTF8_STRING
|
|
result[n++] = XA_UTF8_STRING(XtDisplay(w));
|
|
#endif
|
|
if (screen->i18nSelections) {
|
|
result[n++] = XA_TEXT(XtDisplay(w));
|
|
result[n++] = XA_COMPOUND_TEXT(XtDisplay(w));
|
|
}
|
|
}
|
|
result[n++] = XA_STRING;
|
|
result[n] = None;
|
|
}
|
|
}
|
|
|
|
*resultp = result;
|
|
}
|
|
|
|
return *resultp;
|
|
}
|
|
|
|
static Atom *
|
|
_SelectionTargets(Widget w)
|
|
{
|
|
Atom *result;
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) == 0) {
|
|
result = NULL;
|
|
} else {
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
#if OPT_WIDE_CHARS
|
|
if (screen->wide_chars) {
|
|
result = allocUtf8Targets(w, screen);
|
|
} else
|
|
#endif
|
|
{
|
|
/* not screen->wide_chars */
|
|
result = alloc8bitTargets(w, screen);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
#define isSELECT(value) (!strcmp(value, "SELECT"))
|
|
|
|
static int
|
|
DefaultSelection(TScreen *screen)
|
|
{
|
|
return (screen->selectToClipboard ? 1 : 0);
|
|
}
|
|
|
|
static int
|
|
TargetToSelection(TScreen *screen, String name)
|
|
{
|
|
int result = -1;
|
|
int cutb;
|
|
|
|
if (isSELECT(name)) {
|
|
result = DefaultSelection(screen);
|
|
} else if (!strcmp(name, PRIMARY_NAME)) {
|
|
result = PRIMARY_CODE;
|
|
} else if (!strcmp(name, CLIPBOARD_NAME)) {
|
|
result = CLIPBOARD_CODE;
|
|
} else if (!strcmp(name, SECONDARY_NAME)) {
|
|
result = SECONDARY_CODE;
|
|
} else if (sscanf(name, "CUT_BUFFER%d", &cutb) == 1) {
|
|
if (cutb >= 0 && cutb < MAX_CUT_BUFFER) {
|
|
result = CutBufferToCode(cutb);
|
|
} else {
|
|
xtermWarning("unexpected cut-buffer code: %d\n", cutb);
|
|
}
|
|
} else {
|
|
xtermWarning("unexpected selection target: %s\n", name);
|
|
}
|
|
TRACE2(("TargetToSelection(%s) ->%d\n", name, result));
|
|
return result;
|
|
}
|
|
|
|
static void
|
|
UnmapSelections(XtermWidget xw)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
Cardinal n;
|
|
|
|
if (screen->mappedSelect) {
|
|
for (n = 0; screen->mappedSelect[n] != 0; ++n)
|
|
free((void *) screen->mappedSelect[n]);
|
|
free(screen->mappedSelect);
|
|
screen->mappedSelect = 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* xterm generally uses the primary selection. Some applications prefer
|
|
* (or are limited to) the clipboard. Since the translations resource is
|
|
* complicated, users seldom change the way it affects selection. But it
|
|
* is simple to remap the choice between primary and clipboard before the
|
|
* call to XmuInternStrings().
|
|
*/
|
|
static String *
|
|
MapSelections(XtermWidget xw, String *params, Cardinal num_params)
|
|
{
|
|
String *result = params;
|
|
|
|
if (params != 0 && num_params > 0) {
|
|
Cardinal j;
|
|
Boolean map = False;
|
|
|
|
for (j = 0; j < num_params; ++j) {
|
|
TRACE(("param[%d]:%s\n", j, params[j]));
|
|
if (isSELECT(params[j])) {
|
|
map = True;
|
|
break;
|
|
}
|
|
}
|
|
if (map) {
|
|
TScreen *screen = TScreenOf(xw);
|
|
const char *mapTo = (screen->selectToClipboard
|
|
? CLIPBOARD_NAME
|
|
: PRIMARY_NAME);
|
|
|
|
UnmapSelections(xw);
|
|
if ((result = TypeMallocN(String, num_params + 1)) != 0) {
|
|
result[num_params] = 0;
|
|
for (j = 0; j < num_params; ++j) {
|
|
result[j] = x_strdup((isSELECT(params[j])
|
|
? mapTo
|
|
: params[j]));
|
|
if (result[j] == 0) {
|
|
UnmapSelections(xw);
|
|
while (j != 0) {
|
|
free((void *) result[--j]);
|
|
}
|
|
free(result);
|
|
result = 0;
|
|
break;
|
|
}
|
|
}
|
|
screen->mappedSelect = result;
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* Lookup the cut-buffer number, which will be in the range 0-7.
|
|
* If it is not a cut-buffer, it is a type of selection, e.g., primary.
|
|
*/
|
|
static int
|
|
CutBuffer(Atom code)
|
|
{
|
|
int cutbuffer;
|
|
switch ((unsigned) code) {
|
|
case XA_CUT_BUFFER0:
|
|
cutbuffer = 0;
|
|
break;
|
|
case XA_CUT_BUFFER1:
|
|
cutbuffer = 1;
|
|
break;
|
|
case XA_CUT_BUFFER2:
|
|
cutbuffer = 2;
|
|
break;
|
|
case XA_CUT_BUFFER3:
|
|
cutbuffer = 3;
|
|
break;
|
|
case XA_CUT_BUFFER4:
|
|
cutbuffer = 4;
|
|
break;
|
|
case XA_CUT_BUFFER5:
|
|
cutbuffer = 5;
|
|
break;
|
|
case XA_CUT_BUFFER6:
|
|
cutbuffer = 6;
|
|
break;
|
|
case XA_CUT_BUFFER7:
|
|
cutbuffer = 7;
|
|
break;
|
|
default:
|
|
cutbuffer = -1;
|
|
break;
|
|
}
|
|
TRACE2(("CutBuffer(%d) = %d\n", (int) code, cutbuffer));
|
|
return cutbuffer;
|
|
}
|
|
|
|
#if OPT_PASTE64
|
|
static void
|
|
FinishPaste64(XtermWidget xw)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
TRACE(("FinishPaste64(%d)\n", screen->base64_paste));
|
|
if (screen->base64_paste) {
|
|
screen->base64_paste = 0;
|
|
unparseputc1(xw, screen->base64_final);
|
|
unparse_end(xw);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if !OPT_PASTE64
|
|
static
|
|
#endif
|
|
void
|
|
xtermGetSelection(Widget w,
|
|
Time ev_time,
|
|
String *params, /* selections in precedence order */
|
|
Cardinal num_params,
|
|
Atom *targets)
|
|
{
|
|
Atom selection;
|
|
int cutbuffer;
|
|
Atom target;
|
|
|
|
XtermWidget xw;
|
|
|
|
if (num_params == 0)
|
|
return;
|
|
if ((xw = getXtermWidget(w)) == 0)
|
|
return;
|
|
|
|
TRACE(("xtermGetSelection num_params %d @%ld\n", num_params, ev_time));
|
|
params = MapSelections(xw, params, num_params);
|
|
|
|
XmuInternStrings(XtDisplay(w), params, (Cardinal) 1, &selection);
|
|
cutbuffer = CutBuffer(selection);
|
|
|
|
TRACE(("Cutbuffer: %d, target: %s\n", cutbuffer,
|
|
(targets
|
|
? visibleSelectionTarget(XtDisplay(w), targets[0])
|
|
: "None")));
|
|
|
|
if (cutbuffer >= 0) {
|
|
int inbytes;
|
|
unsigned long nbytes;
|
|
int fmt8 = 8;
|
|
Atom type = XA_STRING;
|
|
char *line;
|
|
|
|
/* 'line' is freed in SelectionReceived */
|
|
line = XFetchBuffer(XtDisplay(w), &inbytes, cutbuffer);
|
|
nbytes = (unsigned long) inbytes;
|
|
|
|
if (nbytes > 0) {
|
|
SelectionReceived(w, NULL, &selection, &type, (XtPointer) line,
|
|
&nbytes, &fmt8);
|
|
} else if (num_params > 1) {
|
|
xtermGetSelection(w, ev_time, params + 1, num_params - 1, NULL);
|
|
}
|
|
#if OPT_PASTE64
|
|
else {
|
|
FinishPaste64(xw);
|
|
}
|
|
#endif
|
|
} else {
|
|
|
|
if (targets == NULL || targets[0] == None) {
|
|
targets = _SelectionTargets(w);
|
|
}
|
|
|
|
if (targets != 0) {
|
|
struct _SelectionList *list;
|
|
|
|
target = targets[0];
|
|
|
|
if (targets[1] == None) { /* last target in list */
|
|
params++;
|
|
num_params--;
|
|
targets = _SelectionTargets(w);
|
|
} else {
|
|
targets = &(targets[1]);
|
|
}
|
|
|
|
if (num_params) {
|
|
/* 'list' is freed in SelectionReceived */
|
|
list = TypeXtMalloc(struct _SelectionList);
|
|
if (list != 0) {
|
|
list->params = params;
|
|
list->count = num_params;
|
|
list->targets = targets;
|
|
list->time = ev_time;
|
|
}
|
|
} else {
|
|
list = NULL;
|
|
}
|
|
|
|
XtGetSelectionValue(w, selection,
|
|
target,
|
|
SelectionReceived,
|
|
(XtPointer) list, ev_time);
|
|
}
|
|
}
|
|
}
|
|
|
|
#if OPT_TRACE && OPT_WIDE_CHARS
|
|
static void
|
|
GettingSelection(Display *dpy, Atom type, Char *line, unsigned long len)
|
|
{
|
|
Char *cp;
|
|
const char *name = TraceAtomName(dpy, type);
|
|
|
|
TRACE(("Getting %s (type=%ld, length=%ld)\n", name, (long int) type, len));
|
|
for (cp = line; cp < line + len; cp++) {
|
|
TRACE(("[%d:%lu]", (int) (cp + 1 - line), len));
|
|
if (isprint(*cp)) {
|
|
TRACE(("%c\n", *cp));
|
|
} else {
|
|
TRACE(("\\x%02x\n", *cp));
|
|
}
|
|
}
|
|
}
|
|
#else
|
|
#define GettingSelection(dpy,type,line,len) /* nothing */
|
|
#endif
|
|
|
|
#ifdef VMS
|
|
# define tty_vwrite(pty,lag,l) tt_write(lag,l)
|
|
#else /* !( VMS ) */
|
|
# define tty_vwrite(pty,lag,l) v_write(pty,lag,l)
|
|
#endif /* defined VMS */
|
|
|
|
#if OPT_PASTE64
|
|
/* Return base64 code character given 6-bit number */
|
|
static const char base64_code[] = "\
|
|
ABCDEFGHIJKLMNOPQRSTUVWXYZ\
|
|
abcdefghijklmnopqrstuvwxyz\
|
|
0123456789+/";
|
|
static void
|
|
base64_flush(TScreen *screen)
|
|
{
|
|
Char x;
|
|
|
|
TRACE(("base64_flush count %d, pad %d (%d)\n",
|
|
screen->base64_count,
|
|
screen->base64_pad,
|
|
screen->base64_pad & 3));
|
|
|
|
switch (screen->base64_count) {
|
|
case 0:
|
|
break;
|
|
case 2:
|
|
x = CharOf(base64_code[screen->base64_accu << 4]);
|
|
tty_vwrite(screen->respond, &x, 1);
|
|
break;
|
|
case 4:
|
|
x = CharOf(base64_code[screen->base64_accu << 2]);
|
|
tty_vwrite(screen->respond, &x, 1);
|
|
break;
|
|
}
|
|
if (screen->base64_pad & 3) {
|
|
tty_vwrite(screen->respond,
|
|
(const Char *) "===",
|
|
(unsigned) (3 - (screen->base64_pad & 3)));
|
|
}
|
|
screen->base64_count = 0;
|
|
screen->base64_accu = 0;
|
|
screen->base64_pad = 0;
|
|
}
|
|
#endif /* OPT_PASTE64 */
|
|
|
|
/*
|
|
* Translate ISO-8859-1 or UTF-8 data to NRCS.
|
|
*/
|
|
static void
|
|
ToNational(XtermWidget xw, Char *buffer, unsigned *length)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
DECNRCM_codes gsetL = screen->gsets[screen->curgl];
|
|
DECNRCM_codes gsetR = screen->gsets[screen->curgr];
|
|
|
|
#if OPT_WIDE_CHARS
|
|
if ((screen->utf8_nrc_mode | screen->utf8_mode) != uFalse) {
|
|
Char *p;
|
|
PtyData *data = TypeXtMallocX(PtyData, *length);
|
|
|
|
memset(data, 0, sizeof(*data));
|
|
data->next = data->buffer;
|
|
data->last = data->buffer + *length;
|
|
memcpy(data->buffer, buffer, (size_t) *length);
|
|
p = buffer;
|
|
while (data->next < data->last) {
|
|
unsigned chr, out, gl, gr;
|
|
|
|
if (!decodeUtf8(screen, data)) {
|
|
data->utf_size = 1;
|
|
data->utf_data = data->next[0];
|
|
}
|
|
data->next += data->utf_size;
|
|
chr = data->utf_data;
|
|
out = chr;
|
|
if ((gl = xtermCharSetIn(xw, chr, gsetL)) != chr) {
|
|
out = gl;
|
|
} else if ((gr = xtermCharSetIn(xw, chr, gsetR)) != chr) {
|
|
out = gr;
|
|
}
|
|
*p++ = (Char) ((out < 256) ? out : ' ');
|
|
}
|
|
*length = (unsigned) (p - buffer);
|
|
free(data);
|
|
} else
|
|
#endif
|
|
{
|
|
Char *p;
|
|
|
|
for (p = buffer; (int) (p - buffer) < (int) *length; ++p) {
|
|
unsigned gl, gr;
|
|
unsigned chr = *p;
|
|
unsigned out = chr;
|
|
if ((gl = xtermCharSetIn(xw, chr, gsetL)) != chr) {
|
|
out = gl;
|
|
} else if ((gr = xtermCharSetIn(xw, chr, gsetR)) != chr) {
|
|
out = gr;
|
|
}
|
|
*p = (Char) out;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
_qWriteSelectionData(XtermWidget xw, Char *lag, unsigned length)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
/*
|
|
* If we are pasting into a window which is using NRCS, we want to map
|
|
* the text from the normal encoding (ISO-8859-1 or UTF-8) into the coding
|
|
* that an application would use to write characters with NRCS.
|
|
*
|
|
* TODO: handle conversion from UTF-8, and adjust length. This can be done
|
|
* in the same buffer because the target is always 8-bit.
|
|
*/
|
|
if ((xw->flags & NATIONAL) && (length != 0)) {
|
|
ToNational(xw, lag, &length);
|
|
}
|
|
#if OPT_PASTE64
|
|
if (screen->base64_paste) {
|
|
/* Send data as base64 */
|
|
Char *p = lag;
|
|
Char buf[64];
|
|
unsigned x = 0;
|
|
|
|
TRACE(("convert to base64 %d:%s\n", length, visibleChars(p, length)));
|
|
|
|
/*
|
|
* Handle the case where the selection is from _this_ xterm, which
|
|
* puts part of the reply in the buffer before the selection callback
|
|
* happens.
|
|
*/
|
|
if (screen->base64_paste && screen->unparse_len) {
|
|
unparse_end(xw);
|
|
}
|
|
while (length--) {
|
|
switch (screen->base64_count) {
|
|
case 0:
|
|
buf[x++] = CharOf(base64_code[*p >> 2]);
|
|
screen->base64_accu = (unsigned) (*p & 0x3);
|
|
screen->base64_count = 2;
|
|
++p;
|
|
break;
|
|
case 2:
|
|
buf[x++] = CharOf(base64_code[(screen->base64_accu << 4) +
|
|
(*p >> 4)]);
|
|
screen->base64_accu = (unsigned) (*p & 0xF);
|
|
screen->base64_count = 4;
|
|
++p;
|
|
break;
|
|
case 4:
|
|
buf[x++] = CharOf(base64_code[(screen->base64_accu << 2) +
|
|
(*p >> 6)]);
|
|
buf[x++] = CharOf(base64_code[*p & 0x3F]);
|
|
screen->base64_accu = 0;
|
|
screen->base64_count = 0;
|
|
++p;
|
|
break;
|
|
}
|
|
if (x >= 63) {
|
|
/* Write 63 or 64 characters */
|
|
screen->base64_pad += x;
|
|
TRACE(("writing base64 interim %s\n", visibleChars(buf, x)));
|
|
tty_vwrite(screen->respond, buf, x);
|
|
x = 0;
|
|
}
|
|
}
|
|
if (x != 0) {
|
|
screen->base64_pad += x;
|
|
TRACE(("writing base64 finish %s\n", visibleChars(buf, x)));
|
|
tty_vwrite(screen->respond, buf, x);
|
|
}
|
|
} else
|
|
#endif /* OPT_PASTE64 */
|
|
#if OPT_READLINE
|
|
if (SCREEN_FLAG(screen, paste_quotes)) {
|
|
while (length--) {
|
|
tty_vwrite(screen->respond, (const Char *) "\026", 1); /* Control-V */
|
|
tty_vwrite(screen->respond, lag++, 1);
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
TRACE(("writing base64 padding %s\n", visibleChars(lag, length)));
|
|
tty_vwrite(screen->respond, lag, length);
|
|
}
|
|
}
|
|
|
|
static void
|
|
_WriteSelectionData(XtermWidget xw, Char *line, size_t length)
|
|
{
|
|
/* Write data to pty a line at a time. */
|
|
/* Doing this one line at a time may no longer be necessary
|
|
because v_write has been re-written. */
|
|
|
|
#if OPT_PASTE64
|
|
TScreen *screen = TScreenOf(xw);
|
|
#endif
|
|
Char *lag, *end;
|
|
|
|
/* in the VMS version, if tt_pasting isn't set to True then qio
|
|
reads aren't blocked and an infinite loop is entered, where the
|
|
pasted text shows up as new input, goes in again, shows up
|
|
again, ad nauseum. */
|
|
#ifdef VMS
|
|
tt_pasting = True;
|
|
#endif
|
|
|
|
end = &line[length];
|
|
lag = line;
|
|
|
|
#if OPT_PASTE64
|
|
if (screen->base64_paste) {
|
|
_qWriteSelectionData(xw, lag, (unsigned) (end - lag));
|
|
base64_flush(screen);
|
|
} else
|
|
#endif
|
|
{
|
|
if (!SCREEN_FLAG(screen, paste_literal_nl)) {
|
|
Char *cp;
|
|
for (cp = line; cp != end; cp++) {
|
|
if (*cp == '\n') {
|
|
*cp = '\r';
|
|
_qWriteSelectionData(xw, lag, (unsigned) (cp - lag + 1));
|
|
lag = cp + 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (lag != end) {
|
|
_qWriteSelectionData(xw, lag, (unsigned) (end - lag));
|
|
}
|
|
}
|
|
#ifdef VMS
|
|
tt_pasting = False;
|
|
tt_start_read(); /* reenable reads or a character may be lost */
|
|
#endif
|
|
}
|
|
|
|
#if OPT_PASTE64 || OPT_READLINE
|
|
static void
|
|
_WriteKey(TScreen *screen, const Char *in)
|
|
{
|
|
Char line[16];
|
|
unsigned count = 0;
|
|
size_t length = strlen((const char *) in);
|
|
|
|
if (screen->control_eight_bits) {
|
|
line[count++] = ANSI_CSI;
|
|
} else {
|
|
line[count++] = ANSI_ESC;
|
|
line[count++] = '[';
|
|
}
|
|
while (length--)
|
|
line[count++] = *in++;
|
|
line[count++] = '~';
|
|
tty_vwrite(screen->respond, line, count);
|
|
}
|
|
#endif /* OPT_READLINE */
|
|
|
|
/*
|
|
* Unless enabled by the user, strip control characters other than formatting.
|
|
*/
|
|
static size_t
|
|
removeControls(XtermWidget xw, char *value)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
size_t dst = 0;
|
|
|
|
if (screen->allowPasteControls) {
|
|
dst = strlen(value);
|
|
} else {
|
|
size_t src = 0;
|
|
while ((value[dst] = value[src]) != '\0') {
|
|
int ch = CharOf(value[src++]);
|
|
|
|
#define ReplacePaste(n) \
|
|
if (screen->disallow_paste_controls[n]) \
|
|
value[dst] = ' '
|
|
|
|
if (ch < 32) {
|
|
ReplacePaste(epC0);
|
|
switch (ch) {
|
|
case ANSI_BS:
|
|
ReplacePaste(epBS);
|
|
break;
|
|
case ANSI_CR:
|
|
ReplacePaste(epCR);
|
|
break;
|
|
case ANSI_ESC:
|
|
ReplacePaste(epESC);
|
|
break;
|
|
case ANSI_FF:
|
|
ReplacePaste(epFF);
|
|
break;
|
|
case ANSI_HT:
|
|
ReplacePaste(epHT);
|
|
break;
|
|
case ANSI_LF:
|
|
ReplacePaste(epNL);
|
|
break;
|
|
default:
|
|
continue;
|
|
}
|
|
++dst;
|
|
} else if (ch == ANSI_DEL) {
|
|
ReplacePaste(epDEL);
|
|
++dst;
|
|
}
|
|
#if OPT_WIDE_CHARS
|
|
else if (screen->utf8_inparse || screen->utf8_nrc_mode)
|
|
++dst;
|
|
#endif
|
|
#if OPT_C1_PRINT || OPT_WIDE_CHARS
|
|
else if (screen->c1_printable)
|
|
++dst;
|
|
#endif
|
|
else if (ch >= 128 && ch < 160)
|
|
continue;
|
|
else
|
|
++dst;
|
|
}
|
|
}
|
|
return dst;
|
|
}
|
|
|
|
#if OPT_SELECTION_OPS
|
|
static void
|
|
beginInternalSelect(XtermWidget xw)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
InternalSelect *mydata = &(screen->internal_select);
|
|
|
|
(void) mydata;
|
|
/* override flags so that SelectionReceived only updates a buffer */
|
|
#if OPT_PASTE64
|
|
mydata->base64_paste = screen->base64_paste;
|
|
screen->base64_paste = 0;
|
|
#endif
|
|
#if OPT_PASTE64 || OPT_READLINE
|
|
mydata->paste_brackets = screen->paste_brackets;
|
|
SCREEN_FLAG_unset(screen, paste_brackets);
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
finishInternalSelect(XtermWidget xw)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
InternalSelect *mydata = &(screen->internal_select);
|
|
|
|
(void) mydata;
|
|
#if OPT_PASTE64
|
|
screen->base64_paste = mydata->base64_paste;
|
|
#endif
|
|
#if OPT_PASTE64 || OPT_READLINE
|
|
screen->paste_brackets = mydata->paste_brackets;
|
|
#endif
|
|
}
|
|
|
|
#else
|
|
#define finishInternalSelect(xw) /* nothing */
|
|
#endif /* OPT_SELECTION_OPS */
|
|
|
|
/* SelectionReceived: stuff received selection text into pty */
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
SelectionReceived(Widget w,
|
|
XtPointer client_data,
|
|
Atom *selection GCC_UNUSED,
|
|
Atom *type,
|
|
XtPointer value,
|
|
unsigned long *length,
|
|
int *format)
|
|
{
|
|
char **text_list = NULL;
|
|
int text_list_count = 0;
|
|
XTextProperty text_prop;
|
|
TScreen *screen;
|
|
Display *dpy;
|
|
#if OPT_TRACE && OPT_WIDE_CHARS
|
|
Char *line = (Char *) value;
|
|
#endif
|
|
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) == 0)
|
|
return;
|
|
|
|
screen = TScreenOf(xw);
|
|
dpy = XtDisplay(w);
|
|
|
|
if (*type == 0 /*XT_CONVERT_FAIL */
|
|
|| *length == 0
|
|
|| value == NULL) {
|
|
TRACE(("...no data to convert\n"));
|
|
goto fail;
|
|
}
|
|
|
|
text_prop.value = (unsigned char *) value;
|
|
text_prop.encoding = *type;
|
|
text_prop.format = *format;
|
|
text_prop.nitems = *length;
|
|
|
|
TRACE(("SelectionReceived %s %s format %d, nitems %ld\n",
|
|
TraceAtomName(screen->display, *selection),
|
|
visibleSelectionTarget(dpy, text_prop.encoding),
|
|
text_prop.format,
|
|
text_prop.nitems));
|
|
|
|
#if OPT_WIDE_CHARS
|
|
if (XSupportsLocale() && screen->wide_chars) {
|
|
if (*type == XA_UTF8_STRING(dpy) ||
|
|
*type == XA_STRING ||
|
|
*type == XA_COMPOUND_TEXT(dpy)) {
|
|
GettingSelection(dpy, *type, line, *length);
|
|
if (Xutf8TextPropertyToTextList(dpy, &text_prop,
|
|
&text_list,
|
|
&text_list_count) < 0) {
|
|
TRACE(("default Xutf8 Conversion failed\n"));
|
|
text_list = NULL;
|
|
}
|
|
}
|
|
} else
|
|
#endif /* OPT_WIDE_CHARS */
|
|
{
|
|
/* Convert the selection to locale's multibyte encoding. */
|
|
|
|
if (*type == XA_UTF8_STRING(dpy) ||
|
|
*type == XA_STRING ||
|
|
*type == XA_COMPOUND_TEXT(dpy)) {
|
|
Status rc;
|
|
|
|
GettingSelection(dpy, *type, line, *length);
|
|
|
|
#if OPT_WIDE_CHARS
|
|
if (*type == XA_UTF8_STRING(dpy) &&
|
|
!(screen->wide_chars || screen->c1_printable)) {
|
|
rc = xtermUtf8ToTextList(xw, &text_prop,
|
|
&text_list, &text_list_count);
|
|
} else
|
|
#endif
|
|
if (*type == XA_STRING && (!XSupportsLocale() || screen->brokenSelections)) {
|
|
rc = XTextPropertyToStringList(&text_prop,
|
|
&text_list, &text_list_count);
|
|
} else {
|
|
rc = XmbTextPropertyToTextList(dpy, &text_prop,
|
|
&text_list,
|
|
&text_list_count);
|
|
}
|
|
if (rc < 0) {
|
|
TRACE(("Conversion failed\n"));
|
|
text_list = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (text_list != NULL && text_list_count != 0) {
|
|
int i;
|
|
|
|
#if OPT_PASTE64
|
|
if (screen->base64_paste) {
|
|
/* EMPTY */ ;
|
|
} else
|
|
#endif
|
|
#if OPT_PASTE64 || OPT_READLINE
|
|
if (SCREEN_FLAG(screen, paste_brackets) && !screen->selectToBuffer) {
|
|
_WriteKey(screen, (const Char *) "200");
|
|
}
|
|
#endif
|
|
for (i = 0; i < text_list_count; i++) {
|
|
size_t len = removeControls(xw, text_list[i]);
|
|
|
|
if (screen->selectToBuffer) {
|
|
InternalSelect *mydata = &(screen->internal_select);
|
|
if (!mydata->done) {
|
|
size_t have = (mydata->buffer
|
|
? strlen(mydata->buffer)
|
|
: 0);
|
|
size_t need = have + len + 1;
|
|
char *buffer = realloc(mydata->buffer, need);
|
|
|
|
if (buffer != 0) {
|
|
strcpy(buffer + have, text_list[i]);
|
|
mydata->buffer = buffer;
|
|
}
|
|
TRACE(("FormatSelect %d.%d .. %d.%d %s\n",
|
|
screen->startSel.row,
|
|
screen->startSel.col,
|
|
screen->endSel.row,
|
|
screen->endSel.col,
|
|
mydata->buffer));
|
|
mydata->format_select(w, mydata->format, mydata->buffer,
|
|
&(screen->startSel),
|
|
&(screen->endSel));
|
|
mydata->done = True;
|
|
}
|
|
|
|
} else {
|
|
_WriteSelectionData(xw, (Char *) text_list[i], len);
|
|
}
|
|
}
|
|
#if OPT_PASTE64
|
|
if (screen->base64_paste) {
|
|
FinishPaste64(xw);
|
|
} else
|
|
#endif
|
|
#if OPT_PASTE64 || OPT_READLINE
|
|
if (SCREEN_FLAG(screen, paste_brackets) && !screen->selectToBuffer) {
|
|
_WriteKey(screen, (const Char *) "201");
|
|
}
|
|
#endif
|
|
if (screen->selectToBuffer) {
|
|
InternalSelect *mydata = &(screen->internal_select);
|
|
finishInternalSelect(xw);
|
|
if (mydata->done) {
|
|
free(mydata->format);
|
|
free(mydata->buffer);
|
|
memset(mydata, 0, sizeof(*mydata));
|
|
}
|
|
screen->selectToBuffer = False;
|
|
}
|
|
XFreeStringList(text_list);
|
|
} else {
|
|
TRACE(("...empty text-list\n"));
|
|
goto fail;
|
|
}
|
|
|
|
XtFree((char *) client_data);
|
|
XtFree((char *) value);
|
|
|
|
return;
|
|
|
|
fail:
|
|
if (client_data != 0) {
|
|
struct _SelectionList *list = (struct _SelectionList *) client_data;
|
|
|
|
TRACE(("SelectionReceived ->xtermGetSelection\n"));
|
|
xtermGetSelection(w, list->time,
|
|
list->params, list->count, list->targets);
|
|
XtFree((char *) client_data);
|
|
#if OPT_PASTE64
|
|
} else {
|
|
FinishPaste64(xw);
|
|
#endif
|
|
}
|
|
return;
|
|
}
|
|
|
|
void
|
|
HandleInsertSelection(Widget w,
|
|
XEvent *event, /* assumed to be XButtonEvent* */
|
|
String *params, /* selections in precedence order */
|
|
Cardinal *num_params)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TRACE_EVENT("HandleInsertSelection", event, params, num_params);
|
|
if (!SendMousePosition(xw, event)) {
|
|
#if OPT_READLINE
|
|
int ldelta;
|
|
TScreen *screen = TScreenOf(xw);
|
|
if (IsBtnEvent(event)
|
|
/* Disable on Shift-mouse, including the application-mouse modes */
|
|
&& !(KeyModifiers(event) & ShiftMask)
|
|
&& (okSendMousePos(xw) == MOUSE_OFF)
|
|
&& SCREEN_FLAG(screen, paste_moves)
|
|
&& rowOnCurrentLine(screen, eventRow(screen, event), &ldelta))
|
|
ReadLineMovePoint(screen, eventColBetween(screen, event), ldelta);
|
|
#endif /* OPT_READLINE */
|
|
|
|
xtermGetSelection(w, event->xbutton.time, params, *num_params, NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
static SelectUnit
|
|
EvalSelectUnit(XtermWidget xw,
|
|
Time buttonDownTime,
|
|
SelectUnit defaultUnit,
|
|
unsigned int button)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
SelectUnit result;
|
|
int delta;
|
|
|
|
if (button != screen->lastButton) {
|
|
delta = screen->multiClickTime + 1;
|
|
} else if (screen->lastButtonUpTime == (Time) 0) {
|
|
/* first time and once in a blue moon */
|
|
delta = screen->multiClickTime + 1;
|
|
} else if (buttonDownTime > screen->lastButtonUpTime) {
|
|
/* most of the time */
|
|
delta = (int) (buttonDownTime - screen->lastButtonUpTime);
|
|
} else {
|
|
/* time has rolled over since lastButtonUpTime */
|
|
delta = (int) ((((Time) ~ 0) - screen->lastButtonUpTime) + buttonDownTime);
|
|
}
|
|
|
|
if (delta > screen->multiClickTime) {
|
|
screen->numberOfClicks = 1;
|
|
result = defaultUnit;
|
|
} else {
|
|
result = screen->selectMap[screen->numberOfClicks % screen->maxClicks];
|
|
screen->numberOfClicks += 1;
|
|
}
|
|
TRACE(("EvalSelectUnit(%d) = %d\n", screen->numberOfClicks, result));
|
|
return result;
|
|
}
|
|
|
|
static void
|
|
do_select_start(XtermWidget xw,
|
|
XEvent *event, /* must be XButtonEvent* */
|
|
CELL *cell)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
if (SendMousePosition(xw, event))
|
|
return;
|
|
screen->selectUnit = EvalSelectUnit(xw,
|
|
event->xbutton.time,
|
|
Select_CHAR,
|
|
event->xbutton.button);
|
|
screen->replyToEmacs = False;
|
|
|
|
#if OPT_READLINE
|
|
lastButtonDownTime = event->xbutton.time;
|
|
#endif
|
|
|
|
StartSelect(xw, cell);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
void
|
|
HandleSelectStart(Widget w,
|
|
XEvent *event, /* must be XButtonEvent* */
|
|
String *params GCC_UNUSED,
|
|
Cardinal *num_params GCC_UNUSED)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TScreen *screen = TScreenOf(xw);
|
|
CELL cell;
|
|
|
|
TRACE_EVENT("HandleSelectStart", event, params, num_params);
|
|
screen->firstValidRow = 0;
|
|
screen->lastValidRow = screen->max_row;
|
|
PointToCELL(screen, event->xbutton.y, event->xbutton.x, &cell);
|
|
|
|
#if OPT_READLINE
|
|
ExtendingSelection = 0;
|
|
#endif
|
|
|
|
do_select_start(xw, event, &cell);
|
|
}
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
void
|
|
HandleKeyboardSelectStart(Widget w,
|
|
XEvent *event, /* must be XButtonEvent* */
|
|
String *params GCC_UNUSED,
|
|
Cardinal *num_params GCC_UNUSED)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
TRACE_EVENT("HandleKeyboardSelectStart", event, params, num_params);
|
|
do_select_start(xw, event, &screen->cursorp);
|
|
}
|
|
}
|
|
|
|
static void
|
|
TrackDown(XtermWidget xw, XButtonEvent *event)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
CELL cell;
|
|
|
|
screen->selectUnit = EvalSelectUnit(xw,
|
|
event->time,
|
|
Select_CHAR,
|
|
event->button);
|
|
if (screen->numberOfClicks > 1) {
|
|
PointToCELL(screen, event->y, event->x, &cell);
|
|
screen->replyToEmacs = True;
|
|
StartSelect(xw, &cell);
|
|
} else {
|
|
screen->waitingForTrackInfo = True;
|
|
EditorButton(xw, event);
|
|
}
|
|
}
|
|
|
|
#define boundsCheck(x) if (x < 0) \
|
|
x = 0; \
|
|
else if (x >= screen->max_row) \
|
|
x = screen->max_row
|
|
|
|
void
|
|
TrackMouse(XtermWidget xw,
|
|
int func,
|
|
CELL *start,
|
|
int firstrow,
|
|
int lastrow)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
if (screen->waitingForTrackInfo) { /* if Timed, ignore */
|
|
screen->waitingForTrackInfo = False;
|
|
|
|
if (func != 0) {
|
|
CELL first = *start;
|
|
|
|
boundsCheck(first.row);
|
|
boundsCheck(firstrow);
|
|
boundsCheck(lastrow);
|
|
screen->firstValidRow = firstrow;
|
|
screen->lastValidRow = lastrow;
|
|
screen->replyToEmacs = True;
|
|
StartSelect(xw, &first);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
StartSelect(XtermWidget xw, const CELL *cell)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
TRACE(("StartSelect row=%d, col=%d\n", cell->row, cell->col));
|
|
if (screen->cursor_state)
|
|
HideCursor();
|
|
if (screen->numberOfClicks == 1) {
|
|
/* set start of selection */
|
|
screen->rawPos = *cell;
|
|
}
|
|
/* else use old values in rawPos */
|
|
screen->saveStartR = screen->startExt = screen->rawPos;
|
|
screen->saveEndR = screen->endExt = screen->rawPos;
|
|
if (Coordinate(screen, cell) < Coordinate(screen, &(screen->rawPos))) {
|
|
screen->eventMode = LEFTEXTENSION;
|
|
screen->startExt = *cell;
|
|
} else {
|
|
screen->eventMode = RIGHTEXTENSION;
|
|
screen->endExt = *cell;
|
|
}
|
|
ComputeSelect(xw, &(screen->startExt), &(screen->endExt), False);
|
|
}
|
|
|
|
static void
|
|
EndExtend(XtermWidget xw,
|
|
XEvent *event, /* must be XButtonEvent */
|
|
String *params, /* selections */
|
|
Cardinal num_params,
|
|
Bool use_cursor_loc)
|
|
{
|
|
CELL cell;
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
TRACE_EVENT("EndExtend", event, params, &num_params);
|
|
if (use_cursor_loc) {
|
|
cell = screen->cursorp;
|
|
} else {
|
|
PointToCELL(screen, event->xbutton.y, event->xbutton.x, &cell);
|
|
}
|
|
ExtendExtend(xw, &cell);
|
|
|
|
screen->lastButtonUpTime = event->xbutton.time;
|
|
screen->lastButton = event->xbutton.button;
|
|
|
|
if (!isSameCELL(&(screen->startSel), &(screen->endSel))) {
|
|
if (screen->replyToEmacs) {
|
|
Char line[64];
|
|
unsigned count = 0;
|
|
|
|
if (screen->control_eight_bits) {
|
|
line[count++] = ANSI_CSI;
|
|
} else {
|
|
line[count++] = ANSI_ESC;
|
|
line[count++] = '[';
|
|
}
|
|
if (isSameCELL(&(screen->rawPos), &(screen->startSel))
|
|
&& isSameCELL(&cell, &(screen->endSel))) {
|
|
/* Use short-form emacs select */
|
|
|
|
switch (screen->extend_coords) {
|
|
case 0:
|
|
case SET_EXT_MODE_MOUSE:
|
|
line[count++] = 't';
|
|
break;
|
|
case SET_SGR_EXT_MODE_MOUSE:
|
|
line[count++] = '<';
|
|
break;
|
|
}
|
|
|
|
count = EmitMousePosition(screen, line, count, screen->endSel.col);
|
|
count = EmitMousePositionSeparator(screen, line, count);
|
|
count = EmitMousePosition(screen, line, count, screen->endSel.row);
|
|
|
|
switch (screen->extend_coords) {
|
|
case SET_SGR_EXT_MODE_MOUSE:
|
|
case SET_URXVT_EXT_MODE_MOUSE:
|
|
line[count++] = 't';
|
|
break;
|
|
}
|
|
} else {
|
|
/* long-form, specify everything */
|
|
|
|
switch (screen->extend_coords) {
|
|
case 0:
|
|
case SET_EXT_MODE_MOUSE:
|
|
line[count++] = 'T';
|
|
break;
|
|
case SET_SGR_EXT_MODE_MOUSE:
|
|
line[count++] = '<';
|
|
break;
|
|
}
|
|
|
|
count = EmitMousePosition(screen, line, count, screen->startSel.col);
|
|
count = EmitMousePositionSeparator(screen, line, count);
|
|
count = EmitMousePosition(screen, line, count, screen->startSel.row);
|
|
count = EmitMousePositionSeparator(screen, line, count);
|
|
count = EmitMousePosition(screen, line, count, screen->endSel.col);
|
|
count = EmitMousePositionSeparator(screen, line, count);
|
|
count = EmitMousePosition(screen, line, count, screen->endSel.row);
|
|
count = EmitMousePositionSeparator(screen, line, count);
|
|
count = EmitMousePosition(screen, line, count, cell.col);
|
|
count = EmitMousePositionSeparator(screen, line, count);
|
|
count = EmitMousePosition(screen, line, count, cell.row);
|
|
|
|
switch (screen->extend_coords) {
|
|
case SET_SGR_EXT_MODE_MOUSE:
|
|
case SET_URXVT_EXT_MODE_MOUSE:
|
|
line[count++] = 'T';
|
|
break;
|
|
}
|
|
}
|
|
v_write(screen->respond, line, count);
|
|
UnHiliteText(xw);
|
|
}
|
|
}
|
|
SelectSet(xw, event, params, num_params);
|
|
screen->eventMode = NORMAL;
|
|
}
|
|
|
|
void
|
|
HandleSelectSet(Widget w,
|
|
XEvent *event,
|
|
String *params,
|
|
Cardinal *num_params)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TRACE_EVENT("HandleSelectSet", event, params, num_params);
|
|
SelectSet(xw, event, params, *num_params);
|
|
}
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
SelectSet(XtermWidget xw,
|
|
XEvent *event GCC_UNUSED,
|
|
String *params,
|
|
Cardinal num_params)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
TRACE(("SelectSet\n"));
|
|
/* Only do select stuff if non-null select */
|
|
if (!isSameCELL(&(screen->startSel), &(screen->endSel))) {
|
|
Cardinal n;
|
|
for (n = 0; n < num_params; ++n) {
|
|
SaltTextAway(xw,
|
|
TargetToSelection(screen, params[n]),
|
|
&(screen->startSel), &(screen->endSel));
|
|
}
|
|
_OwnSelection(xw, params, num_params);
|
|
} else {
|
|
ScrnDisownSelection(xw);
|
|
}
|
|
}
|
|
|
|
#define Abs(x) ((x) < 0 ? -(x) : (x))
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
do_start_extend(XtermWidget xw,
|
|
XEvent *event, /* must be XButtonEvent* */
|
|
String *params GCC_UNUSED,
|
|
Cardinal *num_params GCC_UNUSED,
|
|
Bool use_cursor_loc)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
int coord;
|
|
CELL cell;
|
|
|
|
if (SendMousePosition(xw, event))
|
|
return;
|
|
|
|
screen->firstValidRow = 0;
|
|
screen->lastValidRow = screen->max_row;
|
|
#if OPT_READLINE
|
|
if ((KeyModifiers(event) & ShiftMask)
|
|
|| event->xbutton.button != Button3
|
|
|| !(SCREEN_FLAG(screen, dclick3_deletes)))
|
|
#endif
|
|
screen->selectUnit = EvalSelectUnit(xw,
|
|
event->xbutton.time,
|
|
screen->selectUnit,
|
|
event->xbutton.button);
|
|
screen->replyToEmacs = False;
|
|
|
|
#if OPT_READLINE
|
|
CheckSecondPress3(screen, event);
|
|
#endif
|
|
|
|
if (screen->numberOfClicks == 1
|
|
|| (SCREEN_FLAG(screen, dclick3_deletes) /* Dclick special */
|
|
&&!(KeyModifiers(event) & ShiftMask))) {
|
|
/* Save existing selection so we can reestablish it if the guy
|
|
extends past the other end of the selection */
|
|
screen->saveStartR = screen->startExt = screen->startRaw;
|
|
screen->saveEndR = screen->endExt = screen->endRaw;
|
|
} else {
|
|
/* He just needed the selection mode changed, use old values. */
|
|
screen->startExt = screen->startRaw = screen->saveStartR;
|
|
screen->endExt = screen->endRaw = screen->saveEndR;
|
|
}
|
|
if (use_cursor_loc) {
|
|
cell = screen->cursorp;
|
|
} else {
|
|
PointToCELL(screen, event->xbutton.y, event->xbutton.x, &cell);
|
|
}
|
|
coord = Coordinate(screen, &cell);
|
|
|
|
if (Abs(coord - Coordinate(screen, &(screen->startSel)))
|
|
< Abs(coord - Coordinate(screen, &(screen->endSel)))
|
|
|| coord < Coordinate(screen, &(screen->startSel))) {
|
|
/* point is close to left side of selection */
|
|
screen->eventMode = LEFTEXTENSION;
|
|
screen->startExt = cell;
|
|
} else {
|
|
/* point is close to left side of selection */
|
|
screen->eventMode = RIGHTEXTENSION;
|
|
screen->endExt = cell;
|
|
}
|
|
ComputeSelect(xw, &(screen->startExt), &(screen->endExt), True);
|
|
|
|
#if OPT_READLINE
|
|
if (!isSameCELL(&(screen->startSel), &(screen->endSel)))
|
|
ExtendingSelection = 1;
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
ExtendExtend(XtermWidget xw, const CELL *cell)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
int coord = Coordinate(screen, cell);
|
|
|
|
TRACE(("ExtendExtend row=%d, col=%d\n", cell->row, cell->col));
|
|
if (screen->eventMode == LEFTEXTENSION
|
|
&& ((coord + (screen->selectUnit != Select_CHAR))
|
|
> Coordinate(screen, &(screen->endSel)))) {
|
|
/* Whoops, he's changed his mind. Do RIGHTEXTENSION */
|
|
screen->eventMode = RIGHTEXTENSION;
|
|
screen->startExt = screen->saveStartR;
|
|
} else if (screen->eventMode == RIGHTEXTENSION
|
|
&& coord < Coordinate(screen, &(screen->startSel))) {
|
|
/* Whoops, he's changed his mind. Do LEFTEXTENSION */
|
|
screen->eventMode = LEFTEXTENSION;
|
|
screen->endExt = screen->saveEndR;
|
|
}
|
|
if (screen->eventMode == LEFTEXTENSION) {
|
|
screen->startExt = *cell;
|
|
} else {
|
|
screen->endExt = *cell;
|
|
}
|
|
ComputeSelect(xw, &(screen->startExt), &(screen->endExt), False);
|
|
|
|
#if OPT_READLINE
|
|
if (!isSameCELL(&(screen->startSel), &(screen->endSel)))
|
|
ExtendingSelection = 1;
|
|
#endif
|
|
}
|
|
|
|
void
|
|
HandleStartExtend(Widget w,
|
|
XEvent *event, /* must be XButtonEvent* */
|
|
String *params, /* unused */
|
|
Cardinal *num_params) /* unused */
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TRACE_EVENT("HandleStartExtend", event, params, num_params);
|
|
do_start_extend(xw, event, params, num_params, False);
|
|
}
|
|
}
|
|
|
|
void
|
|
HandleKeyboardStartExtend(Widget w,
|
|
XEvent *event, /* must be XButtonEvent* */
|
|
String *params, /* unused */
|
|
Cardinal *num_params) /* unused */
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TRACE_EVENT("HandleKeyboardStartExtend", event, params, num_params);
|
|
do_start_extend(xw, event, params, num_params, True);
|
|
}
|
|
}
|
|
|
|
void
|
|
ScrollSelection(TScreen *screen, int amount, Bool always)
|
|
{
|
|
int minrow = INX2ROW(screen, -screen->savedlines);
|
|
int maxrow = INX2ROW(screen, screen->max_row);
|
|
int maxcol = screen->max_col;
|
|
|
|
#define scroll_update_one(cell) \
|
|
(cell)->row += amount; \
|
|
if ((cell)->row < minrow) { \
|
|
(cell)->row = minrow; \
|
|
(cell)->col = 0; \
|
|
} \
|
|
if ((cell)->row > maxrow) { \
|
|
(cell)->row = maxrow; \
|
|
(cell)->col = maxcol; \
|
|
}
|
|
|
|
scroll_update_one(&(screen->startRaw));
|
|
scroll_update_one(&(screen->endRaw));
|
|
scroll_update_one(&(screen->startSel));
|
|
scroll_update_one(&(screen->endSel));
|
|
|
|
scroll_update_one(&(screen->rawPos));
|
|
|
|
/*
|
|
* If we are told to scroll the selection but it lies outside the scrolling
|
|
* margins, then that could cause the selection to move (bad). It is not
|
|
* simple to fix, because this function is called both for the scrollbar
|
|
* actions as well as application scrolling. The 'always' flag is set in
|
|
* the former case. The rest of the logic handles the latter.
|
|
*/
|
|
if (ScrnHaveSelection(screen)) {
|
|
int adjust;
|
|
|
|
adjust = ROW2INX(screen, screen->startH.row);
|
|
if (always
|
|
|| !ScrnHaveRowMargins(screen)
|
|
|| ScrnIsRowInMargins(screen, adjust)) {
|
|
scroll_update_one(&screen->startH);
|
|
}
|
|
adjust = ROW2INX(screen, screen->endH.row);
|
|
if (always
|
|
|| !ScrnHaveRowMargins(screen)
|
|
|| ScrnIsRowInMargins(screen, adjust)) {
|
|
scroll_update_one(&screen->endH);
|
|
}
|
|
}
|
|
|
|
screen->startHCoord = Coordinate(screen, &screen->startH);
|
|
screen->endHCoord = Coordinate(screen, &screen->endH);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
ResizeSelection(TScreen *screen GCC_UNUSED, int rows, int cols)
|
|
{
|
|
rows--; /* decr to get 0-max */
|
|
cols--;
|
|
|
|
if (screen->startRaw.row > rows)
|
|
screen->startRaw.row = rows;
|
|
if (screen->startSel.row > rows)
|
|
screen->startSel.row = rows;
|
|
if (screen->endRaw.row > rows)
|
|
screen->endRaw.row = rows;
|
|
if (screen->endSel.row > rows)
|
|
screen->endSel.row = rows;
|
|
if (screen->rawPos.row > rows)
|
|
screen->rawPos.row = rows;
|
|
|
|
if (screen->startRaw.col > cols)
|
|
screen->startRaw.col = cols;
|
|
if (screen->startSel.col > cols)
|
|
screen->startSel.col = cols;
|
|
if (screen->endRaw.col > cols)
|
|
screen->endRaw.col = cols;
|
|
if (screen->endSel.col > cols)
|
|
screen->endSel.col = cols;
|
|
if (screen->rawPos.col > cols)
|
|
screen->rawPos.col = cols;
|
|
}
|
|
|
|
#if OPT_WIDE_CHARS
|
|
#define isWideCell(row, col) isWideFrg((int)XTERM_CELL(row, col))
|
|
#endif
|
|
|
|
static void
|
|
PointToCELL(TScreen *screen,
|
|
int y,
|
|
int x,
|
|
CELL *cell)
|
|
/* Convert pixel coordinates to character coordinates.
|
|
Rows are clipped between firstValidRow and lastValidRow.
|
|
Columns are clipped between to be 0 or greater, but are not clipped to some
|
|
maximum value. */
|
|
{
|
|
cell->row = (y - screen->border) / FontHeight(screen);
|
|
if (cell->row < screen->firstValidRow)
|
|
cell->row = screen->firstValidRow;
|
|
else if (cell->row > screen->lastValidRow)
|
|
cell->row = screen->lastValidRow;
|
|
cell->col = (x - OriginX(screen)) / FontWidth(screen);
|
|
if (cell->col < 0)
|
|
cell->col = 0;
|
|
else if (cell->col > MaxCols(screen)) {
|
|
cell->col = MaxCols(screen);
|
|
}
|
|
#if OPT_WIDE_CHARS
|
|
/*
|
|
* If we got a click on the right half of a doublewidth character,
|
|
* pretend it happened on the left half.
|
|
*/
|
|
if (cell->col > 0
|
|
&& isWideCell(cell->row, cell->col - 1)
|
|
&& (XTERM_CELL(cell->row, cell->col) == HIDDEN_CHAR)) {
|
|
cell->col -= 1;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Find the last column at which text was drawn on the given row.
|
|
*/
|
|
static int
|
|
LastTextCol(TScreen *screen, CLineData *ld, int row)
|
|
{
|
|
int i = -1;
|
|
|
|
if (ld != 0) {
|
|
if (okScrnRow(screen, row)) {
|
|
const IAttr *ch;
|
|
for (i = screen->max_col,
|
|
ch = ld->attribs + i;
|
|
i >= 0 && !(*ch & CHARDRAWN);
|
|
ch--, i--) {
|
|
;
|
|
}
|
|
#if OPT_DEC_CHRSET
|
|
if (CSET_DOUBLE(GetLineDblCS(ld))) {
|
|
i *= 2;
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
return (i);
|
|
}
|
|
|
|
#if !OPT_WIDE_CHARS
|
|
/*
|
|
** double click table for cut and paste in 8 bits
|
|
**
|
|
** This table is divided in four parts :
|
|
**
|
|
** - control characters [0,0x1f] U [0x80,0x9f]
|
|
** - separators [0x20,0x3f] U [0xa0,0xb9]
|
|
** - binding characters [0x40,0x7f] U [0xc0,0xff]
|
|
** - exceptions
|
|
*/
|
|
/* *INDENT-OFF* */
|
|
static int charClass[256] =
|
|
{
|
|
/* NUL SOH STX ETX EOT ENQ ACK BEL */
|
|
32, 1, 1, 1, 1, 1, 1, 1,
|
|
/* BS HT NL VT FF CR SO SI */
|
|
1, 32, 1, 1, 1, 1, 1, 1,
|
|
/* DLE DC1 DC2 DC3 DC4 NAK SYN ETB */
|
|
1, 1, 1, 1, 1, 1, 1, 1,
|
|
/* CAN EM SUB ESC FS GS RS US */
|
|
1, 1, 1, 1, 1, 1, 1, 1,
|
|
/* SP ! " # $ % & ' */
|
|
32, 33, 34, 35, 36, 37, 38, 39,
|
|
/* ( ) * + , - . / */
|
|
40, 41, 42, 43, 44, 45, 46, 47,
|
|
/* 0 1 2 3 4 5 6 7 */
|
|
48, 48, 48, 48, 48, 48, 48, 48,
|
|
/* 8 9 : ; < = > ? */
|
|
48, 48, 58, 59, 60, 61, 62, 63,
|
|
/* @ A B C D E F G */
|
|
64, 48, 48, 48, 48, 48, 48, 48,
|
|
/* H I J K L M N O */
|
|
48, 48, 48, 48, 48, 48, 48, 48,
|
|
/* P Q R S T U V W */
|
|
48, 48, 48, 48, 48, 48, 48, 48,
|
|
/* X Y Z [ \ ] ^ _ */
|
|
48, 48, 48, 91, 92, 93, 94, 48,
|
|
/* ` a b c d e f g */
|
|
96, 48, 48, 48, 48, 48, 48, 48,
|
|
/* h i j k l m n o */
|
|
48, 48, 48, 48, 48, 48, 48, 48,
|
|
/* p q r s t u v w */
|
|
48, 48, 48, 48, 48, 48, 48, 48,
|
|
/* x y z { | } ~ DEL */
|
|
48, 48, 48, 123, 124, 125, 126, 1,
|
|
/* x80 x81 x82 x83 IND NEL SSA ESA */
|
|
1, 1, 1, 1, 1, 1, 1, 1,
|
|
/* HTS HTJ VTS PLD PLU RI SS2 SS3 */
|
|
1, 1, 1, 1, 1, 1, 1, 1,
|
|
/* DCS PU1 PU2 STS CCH MW SPA EPA */
|
|
1, 1, 1, 1, 1, 1, 1, 1,
|
|
/* x98 x99 x9A CSI ST OSC PM APC */
|
|
1, 1, 1, 1, 1, 1, 1, 1,
|
|
/* - i c/ L ox Y- | So */
|
|
160, 161, 162, 163, 164, 165, 166, 167,
|
|
/* .. c0 ip << _ R0 - */
|
|
168, 169, 170, 171, 172, 173, 174, 175,
|
|
/* o +- 2 3 ' u q| . */
|
|
176, 177, 178, 179, 180, 181, 182, 183,
|
|
/* , 1 2 >> 1/4 1/2 3/4 ? */
|
|
184, 185, 186, 187, 188, 189, 190, 191,
|
|
/* A` A' A^ A~ A: Ao AE C, */
|
|
48, 48, 48, 48, 48, 48, 48, 48,
|
|
/* E` E' E^ E: I` I' I^ I: */
|
|
48, 48, 48, 48, 48, 48, 48, 48,
|
|
/* D- N~ O` O' O^ O~ O: X */
|
|
48, 48, 48, 48, 48, 48, 48, 215,
|
|
/* O/ U` U' U^ U: Y' P B */
|
|
48, 48, 48, 48, 48, 48, 48, 48,
|
|
/* a` a' a^ a~ a: ao ae c, */
|
|
48, 48, 48, 48, 48, 48, 48, 48,
|
|
/* e` e' e^ e: i` i' i^ i: */
|
|
48, 48, 48, 48, 48, 48, 48, 48,
|
|
/* d n~ o` o' o^ o~ o: -: */
|
|
48, 48, 48, 48, 48, 48, 48, 247,
|
|
/* o/ u` u' u^ u: y' P y: */
|
|
48, 48, 48, 48, 48, 48, 48, 48};
|
|
/* *INDENT-ON* */
|
|
|
|
int
|
|
SetCharacterClassRange(int low, /* in range of [0..255] */
|
|
int high,
|
|
int value) /* arbitrary */
|
|
{
|
|
|
|
if (low < 0 || high > 255 || high < low)
|
|
return (-1);
|
|
|
|
for (; low <= high; low++)
|
|
charClass[low] = value;
|
|
|
|
return (0);
|
|
}
|
|
#endif
|
|
|
|
static int
|
|
class_of(LineData *ld, CELL *cell)
|
|
{
|
|
CELL temp = *cell;
|
|
int result = 0;
|
|
|
|
#if OPT_DEC_CHRSET
|
|
if (CSET_DOUBLE(GetLineDblCS(ld))) {
|
|
temp.col /= 2;
|
|
}
|
|
#endif
|
|
if (temp.col < (int) ld->lineSize)
|
|
result = CharacterClass((int) (ld->charData[temp.col]));
|
|
return result;
|
|
}
|
|
|
|
#if OPT_WIDE_CHARS
|
|
#define CClassSelects(name, cclass) \
|
|
(CClassOf(name) == cclass \
|
|
|| XTERM_CELL(screen->name.row, screen->name.col) == HIDDEN_CHAR)
|
|
#else
|
|
#define CClassSelects(name, cclass) \
|
|
(class_of(ld.name, &((screen->name))) == cclass)
|
|
#endif
|
|
|
|
#define CClassOf(name) class_of(ld.name, &((screen->name)))
|
|
|
|
#if OPT_REPORT_CCLASS
|
|
static int
|
|
show_cclass_range(int lo, int hi)
|
|
{
|
|
int cclass = CharacterClass(lo);
|
|
int ident = (cclass == lo);
|
|
int more = 0;
|
|
if (ident) {
|
|
int ch;
|
|
for (ch = lo + 1; ch <= hi; ch++) {
|
|
if (CharacterClass(ch) != ch) {
|
|
ident = 0;
|
|
break;
|
|
}
|
|
}
|
|
if (ident && (hi < 255)) {
|
|
ch = hi + 1;
|
|
if (CharacterClass(ch) == ch) {
|
|
if (ch >= 255 || CharacterClass(ch + 1) != ch) {
|
|
more = 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (!more) {
|
|
if (lo == hi) {
|
|
printf("\t%d", lo);
|
|
} else {
|
|
printf("\t%d-%d", lo, hi);
|
|
}
|
|
if (!ident)
|
|
printf(":%d", cclass);
|
|
if (hi < 255)
|
|
printf(", \\");
|
|
printf("\n");
|
|
}
|
|
return !more;
|
|
}
|
|
|
|
void
|
|
report_char_class(XtermWidget xw)
|
|
{
|
|
/* simple table, to match documentation */
|
|
static const char charnames[] =
|
|
"NUL\0" "SOH\0" "STX\0" "ETX\0" "EOT\0" "ENQ\0" "ACK\0" "BEL\0"
|
|
" BS\0" " HT\0" " NL\0" " VT\0" " NP\0" " CR\0" " SO\0" " SI\0"
|
|
"DLE\0" "DC1\0" "DC2\0" "DC3\0" "DC4\0" "NAK\0" "SYN\0" "ETB\0"
|
|
"CAN\0" " EM\0" "SUB\0" "ESC\0" " FS\0" " GS\0" " RS\0" " US\0"
|
|
" SP\0" " !\0" " \"\0" " #\0" " $\0" " %\0" " &\0" " '\0"
|
|
" (\0" " )\0" " *\0" " +\0" " ,\0" " -\0" " .\0" " /\0"
|
|
" 0\0" " 1\0" " 2\0" " 3\0" " 4\0" " 5\0" " 6\0" " 7\0"
|
|
" 8\0" " 9\0" " :\0" " ;\0" " <\0" " =\0" " >\0" " ?\0"
|
|
" @\0" " A\0" " B\0" " C\0" " D\0" " E\0" " F\0" " G\0"
|
|
" H\0" " I\0" " J\0" " K\0" " L\0" " M\0" " N\0" " O\0"
|
|
" P\0" " Q\0" " R\0" " S\0" " T\0" " U\0" " V\0" " W\0"
|
|
" X\0" " Y\0" " Z\0" " [\0" " \\\0" " ]\0" " ^\0" " _\0"
|
|
" `\0" " a\0" " b\0" " c\0" " d\0" " e\0" " f\0" " g\0"
|
|
" h\0" " i\0" " j\0" " k\0" " l\0" " m\0" " n\0" " o\0"
|
|
" p\0" " q\0" " r\0" " s\0" " t\0" " u\0" " v\0" " w\0"
|
|
" x\0" " y\0" " z\0" " {\0" " |\0" " }\0" " ~\0" "DEL\0"
|
|
"x80\0" "x81\0" "x82\0" "x83\0" "IND\0" "NEL\0" "SSA\0" "ESA\0"
|
|
"HTS\0" "HTJ\0" "VTS\0" "PLD\0" "PLU\0" " RI\0" "SS2\0" "SS3\0"
|
|
"DCS\0" "PU1\0" "PU2\0" "STS\0" "CCH\0" " MW\0" "SPA\0" "EPA\0"
|
|
"x98\0" "x99\0" "x9A\0" "CSI\0" " ST\0" "OSC\0" " PM\0" "APC\0"
|
|
" -\0" " i\0" " c/\0" " L\0" " ox\0" " Y-\0" " |\0" " So\0"
|
|
" ..\0" " c0\0" " ip\0" " <<\0" " _\0" " \0" " R0\0" " -\0"
|
|
" o\0" " +-\0" " 2\0" " 3\0" " '\0" " u\0" " q|\0" " .\0"
|
|
" ,\0" " 1\0" " 2\0" " >>\0" "1/4\0" "1/2\0" "3/4\0" " ?\0"
|
|
" A`\0" " A'\0" " A^\0" " A~\0" " A:\0" " Ao\0" " AE\0" " C,\0"
|
|
" E`\0" " E'\0" " E^\0" " E:\0" " I`\0" " I'\0" " I^\0" " I:\0"
|
|
" D-\0" " N~\0" " O`\0" " O'\0" " O^\0" " O~\0" " O:\0" " X\0"
|
|
" O/\0" " U`\0" " U'\0" " U^\0" " U:\0" " Y'\0" " P\0" " B\0"
|
|
" a`\0" " a'\0" " a^\0" " a~\0" " a:\0" " ao\0" " ae\0" " c,\0"
|
|
" e`\0" " e'\0" " e^\0" " e:\0" " i`\0" " i'\0" " i^\0" " i:\0"
|
|
" d\0" " n~\0" " o`\0" " o'\0" " o^\0" " o~\0" " o:\0" " -:\0"
|
|
" o/\0" " u`\0" " u'\0" " u^\0" " u:\0" " y'\0" " P\0" " y:\0";
|
|
int ch, dh;
|
|
int class_p;
|
|
|
|
(void) xw;
|
|
|
|
printf("static int charClass[256] = {\n");
|
|
for (ch = 0; ch < 256; ++ch) {
|
|
const char *s = charnames + (ch * 4);
|
|
if ((ch & 7) == 0)
|
|
printf("/*");
|
|
printf(" %s ", s);
|
|
if (((ch + 1) & 7) == 0) {
|
|
printf("*/\n ");
|
|
for (dh = ch - 7; dh <= ch; ++dh) {
|
|
printf(" %3d%s", CharacterClass(dh), dh == 255 ? "};" : ",");
|
|
}
|
|
printf("\n");
|
|
}
|
|
}
|
|
|
|
/* print the table as if it were the charClass resource */
|
|
printf("\n");
|
|
printf("The table is equivalent to this \"charClass\" resource:\n");
|
|
class_p = CharacterClass(dh = 0);
|
|
for (ch = 0; ch < 256; ++ch) {
|
|
int class_c = CharacterClass(ch);
|
|
if (class_c != class_p) {
|
|
if (show_cclass_range(dh, ch - 1)) {
|
|
dh = ch;
|
|
class_p = class_c;
|
|
}
|
|
}
|
|
}
|
|
if (dh < 255) {
|
|
show_cclass_range(dh, 255);
|
|
}
|
|
|
|
if_OPT_WIDE_CHARS(TScreenOf(xw), {
|
|
/* if this is a wide-character configuration, print all intervals */
|
|
report_wide_char_class();
|
|
});
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* If the given column is past the end of text on the given row, bump to the
|
|
* beginning of the next line.
|
|
*/
|
|
static Boolean
|
|
okPosition(TScreen *screen,
|
|
LineData **ld,
|
|
CELL *cell)
|
|
{
|
|
Boolean result = True;
|
|
|
|
if (cell->row > screen->max_row) {
|
|
result = False;
|
|
} else if (cell->col > (LastTextCol(screen, *ld, cell->row) + 1)) {
|
|
if (cell->row < screen->max_row) {
|
|
cell->col = 0;
|
|
*ld = GET_LINEDATA(screen, ++cell->row);
|
|
result = False;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static void
|
|
trimLastLine(TScreen *screen,
|
|
LineData **ld,
|
|
CELL *last)
|
|
{
|
|
if (screen->cutNewline && last->row < screen->max_row) {
|
|
last->col = 0;
|
|
*ld = GET_LINEDATA(screen, ++last->row);
|
|
} else {
|
|
last->col = LastTextCol(screen, *ld, last->row) + 1;
|
|
}
|
|
}
|
|
|
|
#if OPT_SELECT_REGEX
|
|
/*
|
|
* Returns the first row of a wrapped line.
|
|
*/
|
|
static int
|
|
firstRowOfLine(TScreen *screen, int row, Bool visible)
|
|
{
|
|
LineData *ld = 0;
|
|
int limit = visible ? 0 : -screen->savedlines;
|
|
|
|
while (row > limit &&
|
|
(ld = GET_LINEDATA(screen, row - 1)) != 0 &&
|
|
LineTstWrapped(ld)) {
|
|
--row;
|
|
}
|
|
return row;
|
|
}
|
|
|
|
/*
|
|
* Returns the last row of a wrapped line.
|
|
*/
|
|
static int
|
|
lastRowOfLine(TScreen *screen, int row)
|
|
{
|
|
LineData *ld;
|
|
|
|
while (row < screen->max_row &&
|
|
(ld = GET_LINEDATA(screen, row)) != 0 &&
|
|
LineTstWrapped(ld)) {
|
|
++row;
|
|
}
|
|
return row;
|
|
}
|
|
|
|
/*
|
|
* Returns the number of cells on the range of rows.
|
|
*/
|
|
static unsigned
|
|
lengthOfLines(TScreen *screen, int firstRow, int lastRow)
|
|
{
|
|
unsigned length = 0;
|
|
int n;
|
|
|
|
for (n = firstRow; n <= lastRow; ++n) {
|
|
LineData *ld = GET_LINEDATA(screen, n);
|
|
int value = LastTextCol(screen, ld, n);
|
|
if (value >= 0)
|
|
length += (unsigned) (value + 1);
|
|
}
|
|
return length;
|
|
}
|
|
|
|
/*
|
|
* Make a copy of the wrapped-line which corresponds to the given row as a
|
|
* string of bytes. Construct an index for the columns from the beginning of
|
|
* the line.
|
|
*/
|
|
static char *
|
|
make_indexed_text(TScreen *screen, int row, unsigned length, int *indexed)
|
|
{
|
|
Char *result = 0;
|
|
size_t need = (length + 1);
|
|
|
|
/*
|
|
* Get a quick upper bound to the number of bytes needed, if the whole
|
|
* string were UTF-8.
|
|
*/
|
|
if_OPT_WIDE_CHARS(screen, {
|
|
need *= ((screen->lineExtra + 1) * 6);
|
|
});
|
|
|
|
if ((result = TypeCallocN(Char, need + 1)) != 0) {
|
|
LineData *ld = GET_LINEDATA(screen, row);
|
|
unsigned used = 0;
|
|
Char *last = result;
|
|
|
|
do {
|
|
int col = 0;
|
|
int limit = LastTextCol(screen, ld, row);
|
|
|
|
while (col <= limit) {
|
|
Char *next = last;
|
|
unsigned data = ld->charData[col];
|
|
|
|
assert(col < (int) ld->lineSize);
|
|
/* some internal points may not be drawn */
|
|
if (data == 0)
|
|
data = ' ';
|
|
|
|
if_WIDE_OR_NARROW(screen, {
|
|
next = convertToUTF8(last, data);
|
|
}
|
|
, {
|
|
*next++ = CharOf(data);
|
|
});
|
|
|
|
if_OPT_WIDE_CHARS(screen, {
|
|
size_t off;
|
|
for_each_combData(off, ld) {
|
|
data = ld->combData[off][col];
|
|
if (data == 0)
|
|
break;
|
|
next = convertToUTF8(next, data);
|
|
}
|
|
});
|
|
|
|
indexed[used] = (int) (last - result);
|
|
*next = 0;
|
|
/* TRACE(("index[%d.%d] %d:%s\n", row, used, indexed[used], last)); */
|
|
last = next;
|
|
++used;
|
|
++col;
|
|
indexed[used] = (int) (next - result);
|
|
}
|
|
} while (used < length &&
|
|
LineTstWrapped(ld) &&
|
|
(ld = GET_LINEDATA(screen, ++row)) != 0 &&
|
|
row < screen->max_row);
|
|
}
|
|
/* TRACE(("result:%s\n", result)); */
|
|
return (char *) result;
|
|
}
|
|
|
|
/*
|
|
* Find the column given an offset into the character string by using the
|
|
* index constructed in make_indexed_text().
|
|
*/
|
|
static int
|
|
indexToCol(int *indexed, int len, int off)
|
|
{
|
|
int col = 0;
|
|
while (indexed[col] < len) {
|
|
if (indexed[col] >= off)
|
|
break;
|
|
++col;
|
|
}
|
|
return col;
|
|
}
|
|
|
|
/*
|
|
* Given a row number, and a column offset from that (which may be wrapped),
|
|
* set the cell to the actual row/column values.
|
|
*/
|
|
static void
|
|
columnToCell(TScreen *screen, int row, int col, CELL *cell)
|
|
{
|
|
while (row < screen->max_row) {
|
|
CLineData *ld = GET_LINEDATA(screen, row);
|
|
int last = LastTextCol(screen, ld, row);
|
|
|
|
/* TRACE(("last(%d) = %d, have %d\n", row, last, col)); */
|
|
if (col <= last) {
|
|
break;
|
|
}
|
|
/*
|
|
* Stop if the current row does not wrap (does not continue the current
|
|
* line).
|
|
*/
|
|
if (!LineTstWrapped(ld)) {
|
|
col = last + 1;
|
|
break;
|
|
}
|
|
col -= (last + 1);
|
|
++row;
|
|
}
|
|
if (col < 0)
|
|
col = 0;
|
|
cell->row = row;
|
|
cell->col = col;
|
|
}
|
|
|
|
/*
|
|
* Given a cell, find the corresponding column offset.
|
|
*/
|
|
static int
|
|
cellToColumn(TScreen *screen, CELL *cell)
|
|
{
|
|
CLineData *ld = 0;
|
|
int col = cell->col;
|
|
int row = firstRowOfLine(screen, cell->row, False);
|
|
while (row < cell->row) {
|
|
ld = GET_LINEDATA(screen, row);
|
|
col += LastTextCol(screen, ld, row++);
|
|
}
|
|
#if OPT_DEC_CHRSET
|
|
if (ld == 0)
|
|
ld = GET_LINEDATA(screen, row);
|
|
if (CSET_DOUBLE(GetLineDblCS(ld)))
|
|
col /= 2;
|
|
#endif
|
|
return col;
|
|
}
|
|
|
|
static void
|
|
do_select_regex(TScreen *screen, CELL *startc, CELL *endc)
|
|
{
|
|
LineData *ld = GET_LINEDATA(screen, startc->row);
|
|
int inx = ((screen->numberOfClicks - 1) % screen->maxClicks);
|
|
char *expr = screen->selectExpr[inx];
|
|
regex_t preg;
|
|
regmatch_t match;
|
|
|
|
TRACE(("Select_REGEX[%d]:%s\n", inx, NonNull(expr)));
|
|
if (okPosition(screen, &ld, startc) && expr != 0) {
|
|
if (regcomp(&preg, expr, REG_EXTENDED) == 0) {
|
|
int firstRow = firstRowOfLine(screen, startc->row, True);
|
|
int lastRow = lastRowOfLine(screen, firstRow);
|
|
unsigned size = lengthOfLines(screen, firstRow, lastRow);
|
|
int actual = cellToColumn(screen, startc);
|
|
int *indexed;
|
|
|
|
TRACE(("regcomp ok rows %d..%d bytes %d\n",
|
|
firstRow, lastRow, size));
|
|
|
|
if ((indexed = TypeCallocN(int, size + 1)) != 0) {
|
|
char *search;
|
|
if ((search = make_indexed_text(screen,
|
|
firstRow,
|
|
size,
|
|
indexed)) != 0) {
|
|
int len = (int) strlen(search);
|
|
int col;
|
|
int best_col = -1;
|
|
int best_len = -1;
|
|
|
|
startc->row = 0;
|
|
startc->col = 0;
|
|
endc->row = 0;
|
|
endc->col = 0;
|
|
|
|
for (col = 0; indexed[col] < len; ++col) {
|
|
if (regexec(&preg,
|
|
search + indexed[col],
|
|
(size_t) 1, &match, 0) == 0) {
|
|
int start_inx = (int) (match.rm_so + indexed[col]);
|
|
int finis_inx = (int) (match.rm_eo + indexed[col]);
|
|
int start_col = indexToCol(indexed, len, start_inx);
|
|
int finis_col = indexToCol(indexed, len, finis_inx);
|
|
|
|
if (start_col <= actual &&
|
|
actual <= finis_col) {
|
|
int test = finis_col - start_col;
|
|
if (best_len < test) {
|
|
best_len = test;
|
|
best_col = start_col;
|
|
TRACE(("match column %d len %d\n",
|
|
best_col,
|
|
best_len));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (best_col >= 0) {
|
|
int best_nxt = best_col + best_len;
|
|
columnToCell(screen, firstRow, best_col, startc);
|
|
columnToCell(screen, firstRow, best_nxt, endc);
|
|
TRACE(("search::%s\n", search));
|
|
TRACE(("indexed:%d..%d -> %d..%d\n",
|
|
best_col, best_nxt,
|
|
indexed[best_col],
|
|
indexed[best_nxt]));
|
|
TRACE(("matched:%d:%s\n",
|
|
indexed[best_nxt] + 1 -
|
|
indexed[best_col],
|
|
visibleChars((Char *) (search + indexed[best_col]),
|
|
(unsigned) (indexed[best_nxt] +
|
|
1 -
|
|
indexed[best_col]))));
|
|
}
|
|
free(search);
|
|
}
|
|
free(indexed);
|
|
#if OPT_DEC_CHRSET
|
|
if ((ld = GET_LINEDATA(screen, startc->row)) != 0) {
|
|
if (CSET_DOUBLE(GetLineDblCS(ld)))
|
|
startc->col *= 2;
|
|
}
|
|
if ((ld = GET_LINEDATA(screen, endc->row)) != 0) {
|
|
if (CSET_DOUBLE(GetLineDblCS(ld)))
|
|
endc->col *= 2;
|
|
}
|
|
#endif
|
|
}
|
|
regfree(&preg);
|
|
}
|
|
}
|
|
}
|
|
#endif /* OPT_SELECT_REGEX */
|
|
|
|
#define InitRow(name) \
|
|
ld.name = GET_LINEDATA(screen, screen->name.row)
|
|
|
|
#define NextRow(name) \
|
|
ld.name = GET_LINEDATA(screen, ++screen->name.row)
|
|
|
|
#define PrevRow(name) \
|
|
ld.name = GET_LINEDATA(screen, --screen->name.row)
|
|
|
|
#define MoreRows(name) \
|
|
(screen->name.row < screen->max_row)
|
|
|
|
#define isPrevWrapped(name) \
|
|
(screen->name.row > 0 \
|
|
&& (ltmp = GET_LINEDATA(screen, screen->name.row - 1)) != 0 \
|
|
&& LineTstWrapped(ltmp))
|
|
|
|
/*
|
|
* sets startSel endSel
|
|
* ensuring that they have legal values
|
|
*/
|
|
static void
|
|
ComputeSelect(XtermWidget xw,
|
|
CELL *startc,
|
|
CELL *endc,
|
|
Bool extend)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
int cclass;
|
|
CELL first = *startc;
|
|
CELL last = *endc;
|
|
Boolean ignored = False;
|
|
|
|
struct {
|
|
LineData *startSel;
|
|
LineData *endSel;
|
|
} ld;
|
|
LineData *ltmp;
|
|
|
|
TRACE(("ComputeSelect(startRow=%d, startCol=%d, endRow=%d, endCol=%d, %sextend)\n",
|
|
first.row, first.col,
|
|
last.row, last.col,
|
|
extend ? "" : "no"));
|
|
|
|
#if OPT_WIDE_CHARS
|
|
if (first.col > 1
|
|
&& isWideCell(first.row, first.col - 1)
|
|
&& XTERM_CELL(first.row, first.col - 0) == HIDDEN_CHAR) {
|
|
TRACE(("Adjusting start. Changing downwards from %i.\n", first.col));
|
|
first.col -= 1;
|
|
if (last.col == (first.col + 1))
|
|
last.col--;
|
|
}
|
|
|
|
if (last.col > 1
|
|
&& isWideCell(last.row, last.col - 1)
|
|
&& XTERM_CELL(last.row, last.col) == HIDDEN_CHAR) {
|
|
last.col += 1;
|
|
}
|
|
#endif
|
|
|
|
if (Coordinate(screen, &first) <= Coordinate(screen, &last)) {
|
|
screen->startSel = screen->startRaw = first;
|
|
screen->endSel = screen->endRaw = last;
|
|
} else { /* Swap them */
|
|
screen->startSel = screen->startRaw = last;
|
|
screen->endSel = screen->endRaw = first;
|
|
}
|
|
|
|
InitRow(startSel);
|
|
InitRow(endSel);
|
|
|
|
switch (screen->selectUnit) {
|
|
case Select_CHAR:
|
|
(void) okPosition(screen, &(ld.startSel), &(screen->startSel));
|
|
(void) okPosition(screen, &(ld.endSel), &(screen->endSel));
|
|
break;
|
|
|
|
case Select_WORD:
|
|
TRACE(("Select_WORD\n"));
|
|
if (okPosition(screen, &(ld.startSel), &(screen->startSel))) {
|
|
cclass = CClassOf(startSel);
|
|
do {
|
|
--screen->startSel.col;
|
|
if (screen->startSel.col < 0
|
|
&& isPrevWrapped(startSel)) {
|
|
PrevRow(startSel);
|
|
screen->startSel.col = LastTextCol(screen, ld.startSel, screen->startSel.row);
|
|
}
|
|
} while (screen->startSel.col >= 0
|
|
&& CClassSelects(startSel, cclass));
|
|
++screen->startSel.col;
|
|
}
|
|
#if OPT_WIDE_CHARS
|
|
if (screen->startSel.col
|
|
&& XTERM_CELL(screen->startSel.row,
|
|
screen->startSel.col) == HIDDEN_CHAR)
|
|
screen->startSel.col++;
|
|
#endif
|
|
|
|
if (okPosition(screen, &(ld.endSel), &(screen->endSel))) {
|
|
int length = LastTextCol(screen, ld.endSel, screen->endSel.row);
|
|
cclass = CClassOf(endSel);
|
|
do {
|
|
++screen->endSel.col;
|
|
if (screen->endSel.col > length
|
|
&& LineTstWrapped(ld.endSel)) {
|
|
if (!MoreRows(endSel))
|
|
break;
|
|
screen->endSel.col = 0;
|
|
NextRow(endSel);
|
|
length = LastTextCol(screen, ld.endSel, screen->endSel.row);
|
|
}
|
|
} while (screen->endSel.col <= length
|
|
&& CClassSelects(endSel, cclass));
|
|
/* Word-select selects if pointing to any char in "word",
|
|
* especially note that it includes the last character in a word.
|
|
* So we do no --endSel.col and do special eol handling.
|
|
*/
|
|
if (screen->endSel.col > length + 1
|
|
&& MoreRows(endSel)) {
|
|
screen->endSel.col = 0;
|
|
NextRow(endSel);
|
|
}
|
|
}
|
|
#if OPT_WIDE_CHARS
|
|
if (screen->endSel.col
|
|
&& XTERM_CELL(screen->endSel.row,
|
|
screen->endSel.col) == HIDDEN_CHAR)
|
|
screen->endSel.col++;
|
|
#endif
|
|
|
|
screen->saveStartW = screen->startSel;
|
|
break;
|
|
|
|
case Select_LINE:
|
|
TRACE(("Select_LINE\n"));
|
|
while (LineTstWrapped(ld.endSel)
|
|
&& MoreRows(endSel)) {
|
|
NextRow(endSel);
|
|
}
|
|
if (screen->cutToBeginningOfLine
|
|
|| screen->startSel.row < screen->saveStartW.row) {
|
|
screen->startSel.col = 0;
|
|
while (isPrevWrapped(startSel)) {
|
|
PrevRow(startSel);
|
|
}
|
|
} else if (!extend) {
|
|
if ((first.row < screen->saveStartW.row)
|
|
|| (isSameRow(&first, &(screen->saveStartW))
|
|
&& first.col < screen->saveStartW.col)) {
|
|
screen->startSel.col = 0;
|
|
while (isPrevWrapped(startSel)) {
|
|
PrevRow(startSel);
|
|
}
|
|
} else {
|
|
screen->startSel = screen->saveStartW;
|
|
}
|
|
}
|
|
trimLastLine(screen, &(ld.endSel), &(screen->endSel));
|
|
break;
|
|
|
|
case Select_GROUP: /* paragraph */
|
|
TRACE(("Select_GROUP\n"));
|
|
if (okPosition(screen, &(ld.startSel), &(screen->startSel))) {
|
|
/* scan backward for beginning of group */
|
|
while (screen->startSel.row > 0 &&
|
|
(LastTextCol(screen, ld.startSel, screen->startSel.row -
|
|
1) > 0 ||
|
|
isPrevWrapped(startSel))) {
|
|
PrevRow(startSel);
|
|
}
|
|
screen->startSel.col = 0;
|
|
/* scan forward for end of group */
|
|
while (MoreRows(endSel) &&
|
|
(LastTextCol(screen, ld.endSel, screen->endSel.row + 1) >
|
|
0 ||
|
|
LineTstWrapped(ld.endSel))) {
|
|
NextRow(endSel);
|
|
}
|
|
trimLastLine(screen, &(ld.endSel), &(screen->endSel));
|
|
}
|
|
break;
|
|
|
|
case Select_PAGE: /* everything one can see */
|
|
TRACE(("Select_PAGE\n"));
|
|
screen->startSel.row = 0;
|
|
screen->startSel.col = 0;
|
|
screen->endSel.row = MaxRows(screen);
|
|
screen->endSel.col = 0;
|
|
break;
|
|
|
|
case Select_ALL: /* counts scrollback if in normal screen */
|
|
TRACE(("Select_ALL\n"));
|
|
screen->startSel.row = -screen->savedlines;
|
|
screen->startSel.col = 0;
|
|
screen->endSel.row = MaxRows(screen);
|
|
screen->endSel.col = 0;
|
|
break;
|
|
|
|
#if OPT_SELECT_REGEX
|
|
case Select_REGEX:
|
|
do_select_regex(screen, &(screen->startSel), &(screen->endSel));
|
|
break;
|
|
#endif
|
|
|
|
case NSELECTUNITS: /* always ignore */
|
|
ignored = True;
|
|
break;
|
|
}
|
|
|
|
if (!ignored) {
|
|
/* check boundaries */
|
|
ScrollSelection(screen, 0, False);
|
|
TrackText(xw, &(screen->startSel), &(screen->endSel));
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/* Guaranteed (first.row, first.col) <= (last.row, last.col) */
|
|
static void
|
|
TrackText(XtermWidget xw,
|
|
const CELL *firstp,
|
|
const CELL *lastp)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
int from, to;
|
|
CELL old_start, old_end;
|
|
CELL first = *firstp;
|
|
CELL last = *lastp;
|
|
|
|
TRACE(("TrackText(first=%d,%d, last=%d,%d)\n",
|
|
first.row, first.col, last.row, last.col));
|
|
|
|
old_start = screen->startH;
|
|
old_end = screen->endH;
|
|
TRACE(("...previous(first=%d,%d, last=%d,%d)\n",
|
|
old_start.row, old_start.col,
|
|
old_end.row, old_end.col));
|
|
if (isSameCELL(&first, &old_start) &&
|
|
isSameCELL(&last, &old_end)) {
|
|
return;
|
|
}
|
|
|
|
screen->startH = first;
|
|
screen->endH = last;
|
|
from = Coordinate(screen, &screen->startH);
|
|
to = Coordinate(screen, &screen->endH);
|
|
if (to <= screen->startHCoord || from > screen->endHCoord) {
|
|
/* No overlap whatsoever between old and new hilite */
|
|
ReHiliteText(xw, &old_start, &old_end);
|
|
ReHiliteText(xw, &first, &last);
|
|
} else {
|
|
if (from < screen->startHCoord) {
|
|
/* Extend left end */
|
|
ReHiliteText(xw, &first, &old_start);
|
|
} else if (from > screen->startHCoord) {
|
|
/* Shorten left end */
|
|
ReHiliteText(xw, &old_start, &first);
|
|
}
|
|
if (to > screen->endHCoord) {
|
|
/* Extend right end */
|
|
ReHiliteText(xw, &old_end, &last);
|
|
} else if (to < screen->endHCoord) {
|
|
/* Shorten right end */
|
|
ReHiliteText(xw, &last, &old_end);
|
|
}
|
|
}
|
|
screen->startHCoord = from;
|
|
screen->endHCoord = to;
|
|
}
|
|
|
|
static void
|
|
UnHiliteText(XtermWidget xw)
|
|
{
|
|
TrackText(xw, &zeroCELL, &zeroCELL);
|
|
}
|
|
|
|
/* Guaranteed that (first->row, first->col) <= (last->row, last->col) */
|
|
static void
|
|
ReHiliteText(XtermWidget xw,
|
|
CELL *firstp,
|
|
CELL *lastp)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
CELL first = *firstp;
|
|
CELL last = *lastp;
|
|
|
|
TRACE(("ReHiliteText from %d.%d to %d.%d\n",
|
|
first.row, first.col, last.row, last.col));
|
|
|
|
if (first.row < 0)
|
|
first.row = first.col = 0;
|
|
else if (first.row > screen->max_row)
|
|
return; /* nothing to do, since last.row >= first.row */
|
|
|
|
if (last.row < 0)
|
|
return; /* nothing to do, since first.row <= last.row */
|
|
else if (last.row > screen->max_row) {
|
|
last.row = screen->max_row;
|
|
last.col = MaxCols(screen);
|
|
}
|
|
if (isSameCELL(&first, &last))
|
|
return;
|
|
|
|
if (!isSameRow(&first, &last)) { /* do multiple rows */
|
|
int i;
|
|
if ((i = screen->max_col - first.col + 1) > 0) { /* first row */
|
|
ScrnRefresh(xw, first.row, first.col, 1, i, True);
|
|
}
|
|
if ((i = last.row - first.row - 1) > 0) { /* middle rows */
|
|
ScrnRefresh(xw, first.row + 1, 0, i, MaxCols(screen), True);
|
|
}
|
|
if (last.col > 0 && last.row <= screen->max_row) { /* last row */
|
|
ScrnRefresh(xw, last.row, 0, 1, last.col, True);
|
|
}
|
|
} else { /* do single row */
|
|
ScrnRefresh(xw, first.row, first.col, 1, last.col - first.col, True);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Guaranteed that (cellc->row, cellc->col) <= (cell->row, cell->col),
|
|
* and that both points are valid
|
|
* (may have cell->row = screen->max_row+1, cell->col = 0).
|
|
*/
|
|
static void
|
|
SaltTextAway(XtermWidget xw,
|
|
int which,
|
|
CELL *cellc,
|
|
CELL *cell)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
SelectedCells *scp;
|
|
int i;
|
|
int eol;
|
|
int need = 0;
|
|
Char *line;
|
|
Char *lp;
|
|
CELL first = *cellc;
|
|
CELL last = *cell;
|
|
|
|
if (which < 0 || which >= MAX_SELECTIONS) {
|
|
TRACE(("SaltTextAway - which selection?\n"));
|
|
return;
|
|
}
|
|
scp = &(screen->selected_cells[which]);
|
|
|
|
TRACE(("SaltTextAway which=%d, first=%d,%d, last=%d,%d\n",
|
|
which, first.row, first.col, last.row, last.col));
|
|
|
|
if (isSameRow(&first, &last) && first.col > last.col) {
|
|
int tmp;
|
|
EXCHANGE(first.col, last.col, tmp);
|
|
}
|
|
|
|
--last.col;
|
|
/* first we need to know how long the string is before we can save it */
|
|
|
|
if (isSameRow(&last, &first)) {
|
|
need = Length(screen, first.row, first.col, last.col);
|
|
} else { /* two cases, cut is on same line, cut spans multiple lines */
|
|
need += Length(screen, first.row, first.col, screen->max_col) + 1;
|
|
for (i = first.row + 1; i < last.row; i++)
|
|
need += Length(screen, i, 0, screen->max_col) + 1;
|
|
if (last.col >= 0)
|
|
need += Length(screen, last.row, 0, last.col);
|
|
}
|
|
|
|
/* UTF-8 may require more space */
|
|
if_OPT_WIDE_CHARS(screen, {
|
|
need *= 4;
|
|
});
|
|
|
|
/* now get some memory to save it in */
|
|
if (need < 0)
|
|
return;
|
|
|
|
if (scp->data_limit <= (unsigned) need) {
|
|
if ((line = (Char *) malloc((size_t) need + 1)) == 0)
|
|
SysError(ERROR_BMALLOC2);
|
|
free(scp->data_buffer);
|
|
scp->data_buffer = line;
|
|
scp->data_limit = (size_t) (need + 1);
|
|
} else {
|
|
line = scp->data_buffer;
|
|
}
|
|
|
|
if (line == 0)
|
|
return;
|
|
|
|
line[need] = '\0'; /* make sure it is null terminated */
|
|
lp = line; /* lp points to where to save the text */
|
|
if (isSameRow(&last, &first)) {
|
|
lp = SaveText(screen, last.row, first.col, last.col, lp, &eol);
|
|
} else {
|
|
lp = SaveText(screen, first.row, first.col, screen->max_col, lp, &eol);
|
|
if (eol)
|
|
*lp++ = '\n'; /* put in newline at end of line */
|
|
for (i = first.row + 1; i < last.row; i++) {
|
|
lp = SaveText(screen, i, 0, screen->max_col, lp, &eol);
|
|
if (eol)
|
|
*lp++ = '\n';
|
|
}
|
|
if (last.col >= 0)
|
|
lp = SaveText(screen, last.row, 0, last.col, lp, &eol);
|
|
}
|
|
*lp = '\0'; /* make sure we have end marked */
|
|
|
|
TRACE(("Salted TEXT:%u:%s\n", (unsigned) (lp - line),
|
|
visibleChars(line, (unsigned) (lp - line))));
|
|
|
|
scp->data_length = (size_t) (lp - line);
|
|
}
|
|
|
|
#if OPT_PASTE64
|
|
void
|
|
ClearSelectionBuffer(TScreen *screen, String selection)
|
|
{
|
|
int which = TargetToSelection(screen, selection);
|
|
SelectedCells *scp = &(screen->selected_cells[okSelectionCode(which)]);
|
|
if (scp->data_buffer) {
|
|
free(scp->data_buffer);
|
|
scp->data_buffer = 0;
|
|
scp->data_limit = 0;
|
|
}
|
|
scp->data_length = 0;
|
|
screen->base64_count = 0;
|
|
}
|
|
|
|
static void
|
|
AppendStrToSelectionBuffer(SelectedCells * scp, Char *text, size_t len)
|
|
{
|
|
if (len != 0) {
|
|
size_t j = (scp->data_length + len);
|
|
size_t k = j + (j >> 2) + 80;
|
|
if (j + 1 >= scp->data_limit) {
|
|
Char *line;
|
|
if (!scp->data_length) {
|
|
line = (Char *) malloc(k);
|
|
} else {
|
|
line = (Char *) realloc(scp->data_buffer, k);
|
|
}
|
|
if (line == 0)
|
|
SysError(ERROR_BMALLOC2);
|
|
scp->data_buffer = line;
|
|
scp->data_limit = k;
|
|
}
|
|
if (scp->data_buffer != 0) {
|
|
memcpy(scp->data_buffer + scp->data_length, text, len);
|
|
scp->data_length += len;
|
|
scp->data_buffer[scp->data_length] = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
AppendToSelectionBuffer(TScreen *screen, unsigned c, String selection)
|
|
{
|
|
int which = TargetToSelection(screen, selection);
|
|
SelectedCells *scp = &(screen->selected_cells[okSelectionCode(which)]);
|
|
unsigned six;
|
|
Char ch;
|
|
|
|
/* Decode base64 character */
|
|
if (c >= 'A' && c <= 'Z')
|
|
six = c - 'A';
|
|
else if (c >= 'a' && c <= 'z')
|
|
six = c - 'a' + 26;
|
|
else if (c >= '0' && c <= '9')
|
|
six = c - '0' + 52;
|
|
else if (c == '+')
|
|
six = 62;
|
|
else if (c == '/')
|
|
six = 63;
|
|
else
|
|
return;
|
|
|
|
/* Accumulate bytes */
|
|
switch (screen->base64_count) {
|
|
case 0:
|
|
screen->base64_accu = six;
|
|
screen->base64_count = 6;
|
|
break;
|
|
|
|
case 2:
|
|
ch = CharOf((screen->base64_accu << 6) + six);
|
|
screen->base64_count = 0;
|
|
AppendStrToSelectionBuffer(scp, &ch, (size_t) 1);
|
|
break;
|
|
|
|
case 4:
|
|
ch = CharOf((screen->base64_accu << 4) + (six >> 2));
|
|
screen->base64_accu = (six & 0x3);
|
|
screen->base64_count = 2;
|
|
AppendStrToSelectionBuffer(scp, &ch, (size_t) 1);
|
|
break;
|
|
|
|
case 6:
|
|
ch = CharOf((screen->base64_accu << 2) + (six >> 4));
|
|
screen->base64_accu = (six & 0xF);
|
|
screen->base64_count = 4;
|
|
AppendStrToSelectionBuffer(scp, &ch, (size_t) 1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
CompleteSelection(XtermWidget xw, String *args, Cardinal len)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
screen->base64_count = 0;
|
|
screen->base64_accu = 0;
|
|
_OwnSelection(xw, args, len);
|
|
}
|
|
#endif /* OPT_PASTE64 */
|
|
|
|
static Bool
|
|
_ConvertSelectionHelper(Widget w,
|
|
SelectedCells * scp,
|
|
Atom *type,
|
|
XtPointer *value,
|
|
unsigned long *length,
|
|
int *format,
|
|
int (*conversion_function) (Display *,
|
|
char **, int,
|
|
XICCEncodingStyle,
|
|
XTextProperty *),
|
|
XICCEncodingStyle conversion_style)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
*value = 0;
|
|
*length = 0;
|
|
*type = 0;
|
|
*format = 0;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
Display *dpy = XtDisplay(w);
|
|
XTextProperty textprop;
|
|
int out_n = 0;
|
|
char *result = 0;
|
|
char *the_data = (char *) scp->data_buffer;
|
|
char *the_next;
|
|
unsigned long remaining = scp->data_length;
|
|
|
|
TRACE(("converting %ld:'%s'\n",
|
|
(long) scp->data_length,
|
|
visibleChars(scp->data_buffer, (unsigned) scp->data_length)));
|
|
/*
|
|
* For most selections, we can convert in one pass. It is possible
|
|
* that some applications contain embedded nulls, e.g., using xterm's
|
|
* paste64 feature. For those cases, we will build up the result in
|
|
* parts.
|
|
*/
|
|
if (memchr(the_data, 0, scp->data_length) != 0) {
|
|
TRACE(("selection contains embedded nulls\n"));
|
|
result = calloc(scp->data_length + 1, sizeof(char));
|
|
}
|
|
|
|
next_try:
|
|
memset(&textprop, 0, sizeof(textprop));
|
|
if (conversion_function(dpy, &the_data, 1,
|
|
conversion_style,
|
|
&textprop) >= Success) {
|
|
if ((result != 0)
|
|
&& (textprop.value != 0)
|
|
&& (textprop.format == 8)) {
|
|
char *text_values = (char *) textprop.value;
|
|
unsigned long in_n;
|
|
|
|
if (out_n == 0) {
|
|
*value = result;
|
|
*type = textprop.encoding;
|
|
*format = textprop.format;
|
|
}
|
|
for (in_n = 0; in_n < textprop.nitems; ++in_n) {
|
|
result[out_n++] = text_values[in_n];
|
|
}
|
|
*length += textprop.nitems;
|
|
if ((the_next = memchr(the_data, 0, remaining)) != 0) {
|
|
unsigned long this_was = (unsigned long) (the_next - the_data);
|
|
this_was++;
|
|
the_data += this_was;
|
|
remaining -= this_was;
|
|
result[out_n++] = 0;
|
|
*length += 1;
|
|
if (remaining)
|
|
goto next_try;
|
|
}
|
|
return True;
|
|
} else {
|
|
free(result);
|
|
*value = (XtPointer) textprop.value;
|
|
*length = textprop.nitems;
|
|
*type = textprop.encoding;
|
|
*format = textprop.format;
|
|
return True;
|
|
}
|
|
}
|
|
free(result);
|
|
}
|
|
return False;
|
|
}
|
|
|
|
static Boolean
|
|
SaveConvertedLength(XtPointer *target, unsigned long source)
|
|
{
|
|
Boolean result = False;
|
|
|
|
*target = XtMalloc(4);
|
|
if (*target != 0) {
|
|
result = True;
|
|
if (sizeof(unsigned long) == 4) {
|
|
*(unsigned long *) *target = source;
|
|
} else if (sizeof(unsigned) == 4) {
|
|
*(unsigned *) *target = (unsigned) source;
|
|
} else if (sizeof(unsigned short) == 4) {
|
|
*(unsigned short *) *target = (unsigned short) source;
|
|
} else {
|
|
/* FIXME - does this depend on byte-order? */
|
|
unsigned long temp = source;
|
|
memcpy((char *) *target,
|
|
((char *) &temp) + sizeof(temp) - 4,
|
|
(size_t) 4);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
#define keepClipboard(d,atom) ((screen->keepClipboard) && \
|
|
(atom == XA_CLIPBOARD(d)))
|
|
|
|
static Boolean
|
|
ConvertSelection(Widget w,
|
|
Atom *selection,
|
|
Atom *target,
|
|
Atom *type,
|
|
XtPointer *value,
|
|
unsigned long *length,
|
|
int *format)
|
|
{
|
|
Display *dpy = XtDisplay(w);
|
|
TScreen *screen;
|
|
SelectedCells *scp;
|
|
Bool result = False;
|
|
|
|
Char *data;
|
|
unsigned long data_length;
|
|
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) == 0)
|
|
return False;
|
|
|
|
screen = TScreenOf(xw);
|
|
|
|
TRACE(("ConvertSelection %s -> %s\n",
|
|
TraceAtomName(screen->display, *selection),
|
|
visibleSelectionTarget(dpy, *target)));
|
|
|
|
if (keepClipboard(dpy, *selection)) {
|
|
TRACE(("asked for clipboard\n"));
|
|
scp = &(screen->clipboard_data);
|
|
} else {
|
|
TRACE(("asked for selection\n"));
|
|
scp = &(screen->selected_cells[AtomToSelection(dpy, *selection)]);
|
|
}
|
|
|
|
data = scp->data_buffer;
|
|
data_length = scp->data_length;
|
|
if (data == NULL) {
|
|
TRACE(("...no selection-data\n"));
|
|
return False;
|
|
}
|
|
|
|
if (*target == XA_TARGETS(dpy)) {
|
|
Atom *targetP;
|
|
XPointer std_return = 0;
|
|
unsigned long std_length;
|
|
|
|
if (XmuConvertStandardSelection(w, screen->selection_time, selection,
|
|
target, type, &std_return,
|
|
&std_length, format)) {
|
|
Atom *my_targets = _SelectionTargets(w);
|
|
Atom *allocP;
|
|
Atom *std_targets;
|
|
|
|
TRACE(("XmuConvertStandardSelection - success\n"));
|
|
std_targets = (Atom *) (void *) (std_return);
|
|
*length = std_length + 6;
|
|
|
|
targetP = TypeXtMallocN(Atom, *length);
|
|
allocP = targetP;
|
|
|
|
*value = (XtPointer) targetP;
|
|
|
|
if (my_targets != 0) {
|
|
while (*my_targets != None) {
|
|
*targetP++ = *my_targets++;
|
|
}
|
|
}
|
|
*targetP++ = XA_LENGTH(dpy);
|
|
*targetP++ = XA_LIST_LENGTH(dpy);
|
|
|
|
*length = std_length + (unsigned long) (targetP - allocP);
|
|
|
|
memcpy(targetP, std_targets, sizeof(Atom) * std_length);
|
|
XtFree((char *) std_targets);
|
|
*type = XA_ATOM;
|
|
*format = 32;
|
|
result = True;
|
|
} else {
|
|
TRACE(("XmuConvertStandardSelection - failed\n"));
|
|
}
|
|
}
|
|
#if OPT_WIDE_CHARS
|
|
else if (screen->wide_chars && *target == XA_STRING) {
|
|
result =
|
|
_ConvertSelectionHelper(w, scp,
|
|
type, value, length, format,
|
|
Xutf8TextListToTextProperty,
|
|
XStringStyle);
|
|
TRACE(("...Xutf8TextListToTextProperty:%d\n", result));
|
|
} else if (screen->wide_chars && *target == XA_UTF8_STRING(dpy)) {
|
|
result =
|
|
_ConvertSelectionHelper(w, scp,
|
|
type, value, length, format,
|
|
Xutf8TextListToTextProperty,
|
|
XUTF8StringStyle);
|
|
TRACE(("...Xutf8TextListToTextProperty:%d\n", result));
|
|
} else if (screen->wide_chars && *target == XA_TEXT(dpy)) {
|
|
result =
|
|
_ConvertSelectionHelper(w, scp,
|
|
type, value, length, format,
|
|
Xutf8TextListToTextProperty,
|
|
XStdICCTextStyle);
|
|
TRACE(("...Xutf8TextListToTextProperty:%d\n", result));
|
|
} else if (screen->wide_chars && *target == XA_COMPOUND_TEXT(dpy)) {
|
|
result =
|
|
_ConvertSelectionHelper(w, scp,
|
|
type, value, length, format,
|
|
Xutf8TextListToTextProperty,
|
|
XCompoundTextStyle);
|
|
TRACE(("...Xutf8TextListToTextProperty:%d\n", result));
|
|
}
|
|
#endif
|
|
|
|
else if (*target == XA_STRING) { /* not wide_chars */
|
|
/* We can only reach this point if the selection requestor
|
|
requested STRING before any of TEXT, COMPOUND_TEXT or
|
|
UTF8_STRING. We therefore assume that the requestor is not
|
|
properly internationalised, and dump raw eight-bit data
|
|
with no conversion into the selection. Yes, this breaks
|
|
the ICCCM in non-Latin-1 locales. */
|
|
*type = XA_STRING;
|
|
*value = (XtPointer) data;
|
|
*length = data_length;
|
|
*format = 8;
|
|
result = True;
|
|
TRACE(("...raw 8-bit data:%d\n", result));
|
|
} else if (*target == XA_TEXT(dpy)) { /* not wide_chars */
|
|
result =
|
|
_ConvertSelectionHelper(w, scp,
|
|
type, value, length, format,
|
|
XmbTextListToTextProperty,
|
|
XStdICCTextStyle);
|
|
TRACE(("...XmbTextListToTextProperty(StdICC):%d\n", result));
|
|
} else if (*target == XA_COMPOUND_TEXT(dpy)) { /* not wide_chars */
|
|
result =
|
|
_ConvertSelectionHelper(w, scp,
|
|
type, value, length, format,
|
|
XmbTextListToTextProperty,
|
|
XCompoundTextStyle);
|
|
TRACE(("...XmbTextListToTextProperty(Compound):%d\n", result));
|
|
}
|
|
#ifdef X_HAVE_UTF8_STRING
|
|
else if (*target == XA_UTF8_STRING(dpy)) { /* not wide_chars */
|
|
result =
|
|
_ConvertSelectionHelper(w, scp,
|
|
type, value, length, format,
|
|
XmbTextListToTextProperty,
|
|
XUTF8StringStyle);
|
|
TRACE(("...XmbTextListToTextProperty(UTF8):%d\n", result));
|
|
}
|
|
#endif
|
|
else if (*target == XA_LIST_LENGTH(dpy)) {
|
|
result = SaveConvertedLength(value, (unsigned long) 1);
|
|
*type = XA_INTEGER;
|
|
*length = 1;
|
|
*format = 32;
|
|
TRACE(("...list of values:%d\n", result));
|
|
} else if (*target == XA_LENGTH(dpy)) {
|
|
/* This value is wrong if we have UTF-8 text */
|
|
result = SaveConvertedLength(value, scp->data_length);
|
|
*type = XA_INTEGER;
|
|
*length = 1;
|
|
*format = 32;
|
|
TRACE(("...list of values:%d\n", result));
|
|
} else if (XmuConvertStandardSelection(w,
|
|
screen->selection_time, selection,
|
|
target, type, (XPointer *) value,
|
|
length, format)) {
|
|
result = True;
|
|
TRACE(("...XmuConvertStandardSelection:%d\n", result));
|
|
}
|
|
|
|
/* else */
|
|
return (Boolean) result;
|
|
}
|
|
|
|
static void
|
|
LoseSelection(Widget w, Atom *selection)
|
|
{
|
|
TScreen *screen;
|
|
Atom *atomP;
|
|
Cardinal i;
|
|
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) == 0)
|
|
return;
|
|
|
|
screen = TScreenOf(xw);
|
|
TRACE(("LoseSelection %s\n", TraceAtomName(screen->display, *selection)));
|
|
|
|
for (i = 0, atomP = screen->selection_atoms;
|
|
i < screen->selection_count; i++, atomP++) {
|
|
if (*selection == *atomP)
|
|
*atomP = (Atom) 0;
|
|
if (CutBuffer(*atomP) >= 0) {
|
|
*atomP = (Atom) 0;
|
|
}
|
|
}
|
|
|
|
for (i = screen->selection_count; i; i--) {
|
|
if (screen->selection_atoms[i - 1] != 0)
|
|
break;
|
|
}
|
|
screen->selection_count = i;
|
|
|
|
for (i = 0, atomP = screen->selection_atoms;
|
|
i < screen->selection_count; i++, atomP++) {
|
|
if (*atomP == (Atom) 0) {
|
|
*atomP = screen->selection_atoms[--screen->selection_count];
|
|
}
|
|
}
|
|
|
|
if (screen->selection_count == 0)
|
|
UnHiliteText(xw);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
SelectionDone(Widget w GCC_UNUSED,
|
|
Atom *selection GCC_UNUSED,
|
|
Atom *target GCC_UNUSED)
|
|
{
|
|
/* empty proc so Intrinsics know we want to keep storage */
|
|
TRACE(("SelectionDone\n"));
|
|
}
|
|
|
|
static void
|
|
_OwnSelection(XtermWidget xw,
|
|
String *selections,
|
|
Cardinal count)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
Display *dpy = screen->display;
|
|
Atom *atoms = screen->selection_atoms;
|
|
Cardinal i;
|
|
Bool have_selection = False;
|
|
SelectedCells *scp;
|
|
|
|
if (count == 0)
|
|
return;
|
|
|
|
TRACE(("_OwnSelection count %d\n", count));
|
|
selections = MapSelections(xw, selections, count);
|
|
|
|
if (count > screen->sel_atoms_size) {
|
|
XtFree((char *) atoms);
|
|
atoms = TypeXtMallocN(Atom, count);
|
|
screen->selection_atoms = atoms;
|
|
screen->sel_atoms_size = count;
|
|
}
|
|
XmuInternStrings(dpy, selections, count, atoms);
|
|
for (i = 0; i < count; i++) {
|
|
int cutbuffer = CutBuffer(atoms[i]);
|
|
if (cutbuffer >= 0) {
|
|
unsigned long limit =
|
|
(unsigned long) (4 * XMaxRequestSize(dpy) - 32);
|
|
scp = &(screen->selected_cells[CutBufferToCode(cutbuffer)]);
|
|
if (scp->data_length > limit) {
|
|
TRACE(("selection too big (%lu bytes), not storing in CUT_BUFFER%d\n",
|
|
scp->data_length, cutbuffer));
|
|
xtermWarning("selection too big (%lu bytes), not storing in CUT_BUFFER%d\n",
|
|
(unsigned long) scp->data_length, cutbuffer);
|
|
} else {
|
|
/* This used to just use the UTF-8 data, which was totally
|
|
* broken as not even the corresponding paste code in xterm
|
|
* understood this! So now it converts to Latin1 first.
|
|
* Robert Brady, 2000-09-05
|
|
*/
|
|
unsigned long length = scp->data_length;
|
|
Char *data = scp->data_buffer;
|
|
if_OPT_WIDE_CHARS((screen), {
|
|
data = UTF8toLatin1(screen, data, length, &length);
|
|
});
|
|
TRACE(("XStoreBuffer(%d)\n", cutbuffer));
|
|
XStoreBuffer(dpy,
|
|
(char *) data,
|
|
(int) length,
|
|
cutbuffer);
|
|
}
|
|
} else {
|
|
int which = AtomToSelection(dpy, atoms[i]);
|
|
if (keepClipboard(dpy, atoms[i])) {
|
|
Char *buf;
|
|
SelectedCells *tcp = &(screen->clipboard_data);
|
|
TRACE(("saving selection to clipboard buffer\n"));
|
|
scp = &(screen->selected_cells[CLIPBOARD_CODE]);
|
|
if ((buf = (Char *) malloc((size_t) scp->data_length)) == 0)
|
|
SysError(ERROR_BMALLOC2);
|
|
|
|
free(tcp->data_buffer);
|
|
memcpy(buf, scp->data_buffer, scp->data_length);
|
|
tcp->data_buffer = buf;
|
|
tcp->data_limit = scp->data_length;
|
|
tcp->data_length = scp->data_length;
|
|
}
|
|
scp = &(screen->selected_cells[which]);
|
|
if (scp->data_length == 0) {
|
|
TRACE(("XtDisownSelection(%s, @%ld)\n",
|
|
TraceAtomName(screen->display, atoms[i]),
|
|
(long) screen->selection_time));
|
|
XtDisownSelection((Widget) xw,
|
|
atoms[i],
|
|
screen->selection_time);
|
|
} else if (!screen->replyToEmacs && atoms[i] != 0) {
|
|
TRACE(("XtOwnSelection(%s, @%ld)\n",
|
|
TraceAtomName(screen->display, atoms[i]),
|
|
(long) screen->selection_time));
|
|
have_selection |=
|
|
XtOwnSelection((Widget) xw, atoms[i],
|
|
screen->selection_time,
|
|
ConvertSelection,
|
|
LoseSelection,
|
|
SelectionDone);
|
|
}
|
|
}
|
|
TRACE(("... _OwnSelection used length %ld value %s\n",
|
|
scp->data_length,
|
|
visibleChars(scp->data_buffer,
|
|
(unsigned) scp->data_length)));
|
|
}
|
|
if (!screen->replyToEmacs)
|
|
screen->selection_count = count;
|
|
if (!have_selection)
|
|
UnHiliteText(xw);
|
|
}
|
|
|
|
static void
|
|
ResetSelectionState(TScreen *screen)
|
|
{
|
|
screen->selection_count = 0;
|
|
screen->startH = zeroCELL;
|
|
screen->endH = zeroCELL;
|
|
}
|
|
|
|
void
|
|
DisownSelection(XtermWidget xw)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
Atom *atoms = screen->selection_atoms;
|
|
Cardinal count = screen->selection_count;
|
|
Cardinal i;
|
|
|
|
TRACE(("DisownSelection count %d, start %d.%d, end %d.%d\n",
|
|
count,
|
|
screen->startH.row,
|
|
screen->startH.col,
|
|
screen->endH.row,
|
|
screen->endH.col));
|
|
|
|
for (i = 0; i < count; i++) {
|
|
int cutbuffer = CutBuffer(atoms[i]);
|
|
if (cutbuffer < 0) {
|
|
XtDisownSelection((Widget) xw, atoms[i],
|
|
screen->selection_time);
|
|
}
|
|
}
|
|
/*
|
|
* If none of the callbacks via XtDisownSelection() reset highlighting
|
|
* do it now.
|
|
*/
|
|
if (ScrnHaveSelection(screen)) {
|
|
/* save data which will be reset */
|
|
CELL first = screen->startH;
|
|
CELL last = screen->endH;
|
|
|
|
ResetSelectionState(screen);
|
|
ReHiliteText(xw, &first, &last);
|
|
} else {
|
|
ResetSelectionState(screen);
|
|
}
|
|
}
|
|
|
|
void
|
|
UnhiliteSelection(XtermWidget xw)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
if (ScrnHaveSelection(screen)) {
|
|
CELL first = screen->startH;
|
|
CELL last = screen->endH;
|
|
|
|
screen->startH = zeroCELL;
|
|
screen->endH = zeroCELL;
|
|
ReHiliteText(xw, &first, &last);
|
|
}
|
|
}
|
|
|
|
/* returns number of chars in line from scol to ecol out */
|
|
/* ARGSUSED */
|
|
static int
|
|
Length(TScreen *screen,
|
|
int row,
|
|
int scol,
|
|
int ecol)
|
|
{
|
|
CLineData *ld = GET_LINEDATA(screen, row);
|
|
const int lastcol = LastTextCol(screen, ld, row);
|
|
|
|
if (ecol > lastcol)
|
|
ecol = lastcol;
|
|
return (ecol - scol + 1);
|
|
}
|
|
|
|
/* copies text into line, preallocated */
|
|
static Char *
|
|
SaveText(TScreen *screen,
|
|
int row,
|
|
int scol,
|
|
int ecol,
|
|
Char *lp, /* pointer to where to put the text */
|
|
int *eol)
|
|
{
|
|
LineData *ld;
|
|
int i = 0;
|
|
Char *result = lp;
|
|
#if OPT_WIDE_CHARS
|
|
unsigned previous = 0;
|
|
#endif
|
|
|
|
ld = GET_LINEDATA(screen, row);
|
|
i = Length(screen, row, scol, ecol);
|
|
ecol = scol + i;
|
|
#if OPT_DEC_CHRSET
|
|
if (CSET_DOUBLE(GetLineDblCS(ld))) {
|
|
scol = (scol + 0) / 2;
|
|
ecol = (ecol + 1) / 2;
|
|
}
|
|
#endif
|
|
*eol = !LineTstWrapped(ld);
|
|
for (i = scol; i < ecol; i++) {
|
|
unsigned c;
|
|
assert(i < (int) ld->lineSize);
|
|
c = E2A(ld->charData[i]);
|
|
#if OPT_WIDE_CHARS
|
|
/* We want to strip out every occurrence of HIDDEN_CHAR AFTER a
|
|
* wide character.
|
|
*/
|
|
if (c == HIDDEN_CHAR) {
|
|
if (isWide((int) previous)) {
|
|
previous = c;
|
|
/* Combining characters attached to double-width characters
|
|
are in memory attached to the HIDDEN_CHAR */
|
|
if_OPT_WIDE_CHARS(screen, {
|
|
if ((screen->utf8_nrc_mode | screen->utf8_mode) != uFalse) {
|
|
size_t off;
|
|
for_each_combData(off, ld) {
|
|
unsigned ch = ld->combData[off][i];
|
|
if (ch == 0)
|
|
break;
|
|
lp = convertToUTF8(lp, ch);
|
|
}
|
|
}
|
|
});
|
|
continue;
|
|
} else {
|
|
c = ' '; /* should not happen, but just in case... */
|
|
}
|
|
}
|
|
previous = c;
|
|
if ((screen->utf8_nrc_mode | screen->utf8_mode) != uFalse) {
|
|
lp = convertToUTF8(lp, (c != 0) ? c : ' ');
|
|
if_OPT_WIDE_CHARS(screen, {
|
|
size_t off;
|
|
for_each_combData(off, ld) {
|
|
unsigned ch = ld->combData[off][i];
|
|
if (ch == 0)
|
|
break;
|
|
lp = convertToUTF8(lp, ch);
|
|
}
|
|
});
|
|
} else
|
|
#endif
|
|
{
|
|
if (c == 0) {
|
|
c = E2A(' ');
|
|
} else if (c < E2A(' ')) {
|
|
c = DECtoASCII(c);
|
|
} else if (c == 0x7f) {
|
|
c = 0x5f;
|
|
}
|
|
*lp++ = CharOf(A2E(c));
|
|
}
|
|
if (c != E2A(' '))
|
|
result = lp;
|
|
}
|
|
|
|
/*
|
|
* If requested, trim trailing blanks from selected lines. Do not do this
|
|
* if the line is wrapped.
|
|
*/
|
|
if (!*eol || !screen->trim_selection)
|
|
result = lp;
|
|
|
|
return (result);
|
|
}
|
|
|
|
/* 32 + following 8-bit word:
|
|
|
|
1:0 Button no: 0, 1, 2. 3=release.
|
|
2 shift
|
|
3 meta
|
|
4 ctrl
|
|
5 set for motion notify
|
|
6 set for wheel (and button 6 and 7)
|
|
7 set for buttons 8 to 11
|
|
*/
|
|
|
|
/* Position: 32 - 255. */
|
|
static int
|
|
BtnCode(XButtonEvent *event, int button)
|
|
{
|
|
int result = (int) (32 + (KeyState(event->state) << 2));
|
|
|
|
if (event->type == MotionNotify)
|
|
result += 32;
|
|
|
|
if (button < 0) {
|
|
result += 3;
|
|
} else {
|
|
result += button & 3;
|
|
if (button & 4)
|
|
result += 64;
|
|
if (button & 8)
|
|
result += 128;
|
|
}
|
|
TRACE(("BtnCode button %d, %s state " FMT_MODIFIER_NAMES " ->%#x\n",
|
|
button,
|
|
visibleEventType(event->type),
|
|
ARG_MODIFIER_NAMES(event->state),
|
|
result));
|
|
return result;
|
|
}
|
|
|
|
static unsigned
|
|
EmitButtonCode(XtermWidget xw,
|
|
Char *line,
|
|
unsigned count,
|
|
XButtonEvent *event,
|
|
int button)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
int value;
|
|
|
|
if (okSendMousePos(xw) == X10_MOUSE) {
|
|
value = CharOf(' ' + button);
|
|
} else {
|
|
value = BtnCode(event, button);
|
|
}
|
|
|
|
switch (screen->extend_coords) {
|
|
default:
|
|
line[count++] = CharOf(value);
|
|
break;
|
|
case SET_SGR_EXT_MODE_MOUSE:
|
|
value -= 32; /* encoding starts at zero */
|
|
/* FALLTHRU */
|
|
case SET_URXVT_EXT_MODE_MOUSE:
|
|
count += (unsigned) sprintf((char *) line + count, "%d", value);
|
|
break;
|
|
case SET_EXT_MODE_MOUSE:
|
|
if (value < 128) {
|
|
line[count++] = CharOf(value);
|
|
} else {
|
|
line[count++] = CharOf(0xC0 + (value >> 6));
|
|
line[count++] = CharOf(0x80 + (value & 0x3F));
|
|
}
|
|
break;
|
|
}
|
|
return count;
|
|
}
|
|
|
|
static int
|
|
FirstBitN(int bits)
|
|
{
|
|
int result = -1;
|
|
if (bits > 0) {
|
|
result = 0;
|
|
while (!(bits & 1)) {
|
|
bits /= 2;
|
|
++result;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
#define ButtonBit(button) ((button >= 0) ? (1 << (button)) : 0)
|
|
|
|
#define EMIT_BUTTON(button) EmitButtonCode(xw, line, count, event, button)
|
|
|
|
static void
|
|
EditorButton(XtermWidget xw, XButtonEvent *event)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
int pty = screen->respond;
|
|
int mouse_limit = MouseLimit(screen);
|
|
Char line[32];
|
|
Char final = 'M';
|
|
int row, col;
|
|
int button;
|
|
unsigned count = 0;
|
|
Boolean changed = True;
|
|
|
|
/* If button event, get button # adjusted for DEC compatibility */
|
|
button = (int) (event->button - 1);
|
|
if (button >= 3)
|
|
button++;
|
|
|
|
/* Ignore buttons that cannot be encoded */
|
|
if (screen->send_mouse_pos == X10_MOUSE) {
|
|
if (button > 3)
|
|
return;
|
|
} else if (screen->extend_coords == SET_SGR_EXT_MODE_MOUSE
|
|
|| screen->extend_coords == SET_URXVT_EXT_MODE_MOUSE) {
|
|
if (button > 15) {
|
|
return;
|
|
}
|
|
} else {
|
|
if (button > 11) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* Compute character position of mouse pointer */
|
|
row = (event->y - screen->border) / FontHeight(screen);
|
|
col = (event->x - OriginX(screen)) / FontWidth(screen);
|
|
|
|
/* Limit to screen dimensions */
|
|
if (row < 0)
|
|
row = 0;
|
|
else if (row > screen->max_row)
|
|
row = screen->max_row;
|
|
|
|
if (col < 0)
|
|
col = 0;
|
|
else if (col > screen->max_col)
|
|
col = screen->max_col;
|
|
|
|
if (mouse_limit > 0) {
|
|
/* Limit to representable mouse dimensions */
|
|
if (row > mouse_limit)
|
|
row = mouse_limit;
|
|
if (col > mouse_limit)
|
|
col = mouse_limit;
|
|
}
|
|
|
|
/* Build key sequence starting with \E[M */
|
|
if (screen->control_eight_bits) {
|
|
line[count++] = ANSI_CSI;
|
|
} else {
|
|
line[count++] = ANSI_ESC;
|
|
line[count++] = '[';
|
|
}
|
|
switch (screen->extend_coords) {
|
|
case 0:
|
|
case SET_EXT_MODE_MOUSE:
|
|
#if OPT_SCO_FUNC_KEYS
|
|
if (xw->keyboard.type == keyboardIsSCO) {
|
|
/*
|
|
* SCO function key F1 is \E[M, which would conflict with xterm's
|
|
* normal kmous.
|
|
*/
|
|
line[count++] = '>';
|
|
}
|
|
#endif
|
|
line[count++] = final;
|
|
break;
|
|
case SET_SGR_EXT_MODE_MOUSE:
|
|
line[count++] = '<';
|
|
break;
|
|
}
|
|
|
|
/* Add event code to key sequence */
|
|
if (okSendMousePos(xw) == X10_MOUSE) {
|
|
count = EMIT_BUTTON(button);
|
|
} else {
|
|
/* Button-Motion events */
|
|
switch (event->type) {
|
|
case ButtonPress:
|
|
screen->mouse_button |= ButtonBit(button);
|
|
count = EMIT_BUTTON(button);
|
|
break;
|
|
case ButtonRelease:
|
|
/*
|
|
* The (vertical) wheel mouse interface generates release-events
|
|
* for buttons 4 and 5, coded here as 3 and 4 respectively.
|
|
*
|
|
* The X10/X11 xterm protocol maps the release for buttons 1..3 to
|
|
* a -1, which will * be later mapped into a "0" (some button was
|
|
* released),
|
|
*
|
|
* The SGR (extended) xterm mouse protocol keeps the button number
|
|
* and uses a "m" to indicate button release.
|
|
*
|
|
* The behavior for mice with more buttons is unclear, and may be
|
|
* revised -TD
|
|
*/
|
|
screen->mouse_button &= ~ButtonBit(button);
|
|
if (button < 3 || button >= 8) {
|
|
switch (screen->extend_coords) {
|
|
case SET_SGR_EXT_MODE_MOUSE:
|
|
final = 'm';
|
|
break;
|
|
default:
|
|
button = -1;
|
|
break;
|
|
}
|
|
}
|
|
count = EMIT_BUTTON(button);
|
|
break;
|
|
case MotionNotify:
|
|
/* BTN_EVENT_MOUSE and ANY_EVENT_MOUSE modes send motion
|
|
* events only if character cell has changed.
|
|
*/
|
|
if ((row == screen->mouse_row)
|
|
&& (col == screen->mouse_col)) {
|
|
changed = False;
|
|
} else {
|
|
count = EMIT_BUTTON(FirstBitN(screen->mouse_button));
|
|
}
|
|
break;
|
|
default:
|
|
changed = False;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (changed) {
|
|
screen->mouse_row = row;
|
|
screen->mouse_col = col;
|
|
|
|
TRACE(("mouse at %d,%d button+mask = %#x\n", row, col, line[count - 1]));
|
|
|
|
/* Add pointer position to key sequence */
|
|
count = EmitMousePositionSeparator(screen, line, count);
|
|
count = EmitMousePosition(screen, line, count, col);
|
|
count = EmitMousePositionSeparator(screen, line, count);
|
|
count = EmitMousePosition(screen, line, count, row);
|
|
|
|
switch (screen->extend_coords) {
|
|
case SET_SGR_EXT_MODE_MOUSE:
|
|
case SET_URXVT_EXT_MODE_MOUSE:
|
|
line[count++] = final;
|
|
break;
|
|
}
|
|
|
|
/* Transmit key sequence to process running under xterm */
|
|
v_write(pty, line, count);
|
|
}
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Check the current send_mouse_pos against allowed mouse-operations, returning
|
|
* none if it is disallowed.
|
|
*/
|
|
XtermMouseModes
|
|
okSendMousePos(XtermWidget xw)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
XtermMouseModes result = screen->send_mouse_pos;
|
|
|
|
switch (result) {
|
|
case MOUSE_OFF:
|
|
break;
|
|
case X10_MOUSE:
|
|
if (!AllowMouseOps(xw, emX10))
|
|
result = MOUSE_OFF;
|
|
break;
|
|
case VT200_MOUSE:
|
|
if (!AllowMouseOps(xw, emVT200Click))
|
|
result = MOUSE_OFF;
|
|
break;
|
|
case VT200_HIGHLIGHT_MOUSE:
|
|
if (!AllowMouseOps(xw, emVT200Hilite))
|
|
result = MOUSE_OFF;
|
|
break;
|
|
case BTN_EVENT_MOUSE:
|
|
if (!AllowMouseOps(xw, emAnyButton))
|
|
result = MOUSE_OFF;
|
|
break;
|
|
case ANY_EVENT_MOUSE:
|
|
if (!AllowMouseOps(xw, emAnyEvent))
|
|
result = MOUSE_OFF;
|
|
break;
|
|
case DEC_LOCATOR:
|
|
if (!AllowMouseOps(xw, emLocator))
|
|
result = MOUSE_OFF;
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
#if OPT_FOCUS_EVENT
|
|
/*
|
|
* Check the current send_focus_pos against allowed mouse-operations, returning
|
|
* none if it is disallowed.
|
|
*/
|
|
static int
|
|
okSendFocusPos(XtermWidget xw)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
int result = screen->send_focus_pos;
|
|
|
|
if (!AllowMouseOps(xw, emFocusEvent)) {
|
|
result = False;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void
|
|
SendFocusButton(XtermWidget xw, XFocusChangeEvent *event)
|
|
{
|
|
if (okSendFocusPos(xw)) {
|
|
ANSI reply;
|
|
|
|
memset(&reply, 0, sizeof(reply));
|
|
reply.a_type = ANSI_CSI;
|
|
|
|
#if OPT_SCO_FUNC_KEYS
|
|
if (xw->keyboard.type == keyboardIsSCO) {
|
|
reply.a_pintro = '>';
|
|
}
|
|
#endif
|
|
reply.a_final = CharOf((event->type == FocusIn) ? 'I' : 'O');
|
|
unparseseq(xw, &reply);
|
|
}
|
|
return;
|
|
}
|
|
#endif /* OPT_FOCUS_EVENT */
|
|
|
|
#if OPT_SELECTION_OPS
|
|
/*
|
|
* Get the event-time, needed to process selections.
|
|
*/
|
|
static Time
|
|
getEventTime(XEvent *event)
|
|
{
|
|
Time result;
|
|
|
|
if (IsBtnEvent(event)) {
|
|
result = ((XButtonEvent *) event)->time;
|
|
} else if (IsKeyEvent(event)) {
|
|
result = ((XKeyEvent *) event)->time;
|
|
} else {
|
|
result = 0;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/* obtain the selection string, passing the endpoints to caller's parameters */
|
|
static void
|
|
doSelectionFormat(XtermWidget xw,
|
|
Widget w,
|
|
XEvent *event,
|
|
String *params,
|
|
Cardinal *num_params,
|
|
FormatSelect format_select)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
InternalSelect *mydata = &(screen->internal_select);
|
|
|
|
memset(mydata, 0, sizeof(*mydata));
|
|
mydata->format = x_strdup(params[0]);
|
|
mydata->format_select = format_select;
|
|
|
|
screen->selectToBuffer = True;
|
|
beginInternalSelect(xw);
|
|
|
|
xtermGetSelection(w, getEventTime(event), params + 1, *num_params - 1, NULL);
|
|
|
|
if (screen->selectToBuffer)
|
|
finishInternalSelect(xw);
|
|
}
|
|
|
|
/* obtain data from the screen, passing the endpoints to caller's parameters */
|
|
static char *
|
|
getDataFromScreen(XtermWidget xw, XEvent *event, String method, CELL *start, CELL *finish)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
|
|
CELL save_old_start = screen->startH;
|
|
CELL save_old_end = screen->endH;
|
|
|
|
CELL save_startSel = screen->startSel;
|
|
CELL save_startRaw = screen->startRaw;
|
|
CELL save_finishSel = screen->endSel;
|
|
CELL save_finishRaw = screen->endRaw;
|
|
|
|
int save_firstValidRow = screen->firstValidRow;
|
|
int save_lastValidRow = screen->lastValidRow;
|
|
|
|
const Cardinal noClick = 0;
|
|
int save_numberOfClicks = screen->numberOfClicks;
|
|
|
|
SelectUnit saveUnits = screen->selectUnit;
|
|
SelectUnit saveMap = screen->selectMap[noClick];
|
|
#if OPT_SELECT_REGEX
|
|
char *saveExpr = screen->selectExpr[noClick];
|
|
#endif
|
|
SelectedCells *scp = &(screen->selected_cells[PRIMARY_CODE]);
|
|
SelectedCells save_selection = *scp;
|
|
|
|
char *result = 0;
|
|
|
|
TRACE(("getDataFromScreen %s\n", method));
|
|
|
|
memset(scp, 0, sizeof(*scp));
|
|
|
|
screen->numberOfClicks = 1;
|
|
lookupSelectUnit(xw, noClick, method);
|
|
screen->selectUnit = screen->selectMap[noClick];
|
|
|
|
memset(start, 0, sizeof(*start));
|
|
if (IsBtnEvent(event)) {
|
|
XButtonEvent *btn_event = (XButtonEvent *) event;
|
|
CELL cell;
|
|
screen->firstValidRow = 0;
|
|
screen->lastValidRow = screen->max_row;
|
|
PointToCELL(screen, btn_event->y, btn_event->x, &cell);
|
|
start->row = cell.row;
|
|
start->col = cell.col;
|
|
finish->row = cell.row;
|
|
finish->col = screen->max_col;
|
|
} else {
|
|
start->row = screen->cur_row;
|
|
start->col = screen->cur_col;
|
|
finish->row = screen->cur_row;
|
|
finish->col = screen->max_col;
|
|
}
|
|
|
|
ComputeSelect(xw, start, finish, False);
|
|
SaltTextAway(xw,
|
|
TargetToSelection(screen, PRIMARY_NAME),
|
|
&(screen->startSel), &(screen->endSel));
|
|
|
|
if (scp->data_limit && scp->data_buffer) {
|
|
TRACE(("...getDataFromScreen selection-data %.*s\n",
|
|
(int) scp->data_limit,
|
|
scp->data_buffer));
|
|
result = malloc(scp->data_limit + 1);
|
|
if (result) {
|
|
memcpy(result, scp->data_buffer, scp->data_limit);
|
|
result[scp->data_limit] = 0;
|
|
}
|
|
free(scp->data_buffer);
|
|
scp->data_limit = 0;
|
|
}
|
|
|
|
TRACE(("...getDataFromScreen restoring previous selection\n"));
|
|
|
|
screen->startSel = save_startSel;
|
|
screen->startRaw = save_startRaw;
|
|
screen->endSel = save_finishSel;
|
|
screen->endRaw = save_finishRaw;
|
|
|
|
screen->firstValidRow = save_firstValidRow;
|
|
screen->lastValidRow = save_lastValidRow;
|
|
|
|
screen->numberOfClicks = save_numberOfClicks;
|
|
screen->selectUnit = saveUnits;
|
|
screen->selectMap[noClick] = saveMap;
|
|
#if OPT_SELECT_REGEX
|
|
screen->selectExpr[noClick] = saveExpr;
|
|
#endif
|
|
|
|
screen->selected_cells[0] = save_selection;
|
|
|
|
TrackText(xw, &save_old_start, &save_old_end);
|
|
|
|
TRACE(("...getDataFromScreen done\n"));
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* Split-up the format before substituting data, to avoid quoting issues.
|
|
* The resource mechanism has a limited ability to handle escapes. We take
|
|
* the result as if it were an sh-type string and parse it into a regular
|
|
* argv array.
|
|
*/
|
|
static char **
|
|
tokenizeFormat(String format)
|
|
{
|
|
char **result = 0;
|
|
int argc;
|
|
|
|
format = x_skip_blanks(format);
|
|
if (*format != '\0') {
|
|
char *blob = x_strdup(format);
|
|
int pass;
|
|
|
|
for (pass = 0; pass < 2; ++pass) {
|
|
int used = 0;
|
|
int first = 1;
|
|
int escaped = 0;
|
|
int squoted = 0;
|
|
int dquoted = 0;
|
|
int n;
|
|
|
|
argc = 0;
|
|
for (n = 0; format[n] != '\0'; ++n) {
|
|
if (escaped) {
|
|
blob[used++] = format[n];
|
|
escaped = 0;
|
|
} else if (format[n] == '"') {
|
|
if (!squoted) {
|
|
if (!dquoted)
|
|
blob[used++] = format[n];
|
|
dquoted = !dquoted;
|
|
}
|
|
} else if (format[n] == '\'') {
|
|
if (!dquoted) {
|
|
if (!squoted)
|
|
blob[used++] = format[n];
|
|
squoted = !squoted;
|
|
}
|
|
} else if (format[n] == '\\') {
|
|
blob[used++] = format[n];
|
|
escaped = 1;
|
|
} else {
|
|
if (first) {
|
|
first = 0;
|
|
if (pass) {
|
|
result[argc] = &blob[n];
|
|
}
|
|
++argc;
|
|
}
|
|
if (isspace((Char) format[n])) {
|
|
first = !isspace((Char) format[n + 1]);
|
|
if (squoted || dquoted) {
|
|
blob[used++] = format[n];
|
|
} else if (first) {
|
|
blob[used++] = '\0';
|
|
}
|
|
} else {
|
|
blob[used++] = format[n];
|
|
}
|
|
}
|
|
}
|
|
blob[used] = '\0';
|
|
assert(strlen(blob) <= strlen(format));
|
|
if (!pass) {
|
|
result = TypeCallocN(char *, argc + 1);
|
|
if (result == 0) {
|
|
free(blob);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#if OPT_TRACE
|
|
if (result) {
|
|
TRACE(("tokenizeFormat %s\n", format));
|
|
for (argc = 0; result[argc]; ++argc) {
|
|
TRACE(("argv[%d] = %s\n", argc, result[argc]));
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return result;
|
|
}
|
|
|
|
static void
|
|
formatVideoAttrs(XtermWidget xw, char *buffer, CELL *cell)
|
|
{
|
|
TScreen *screen = TScreenOf(xw);
|
|
LineData *ld = GET_LINEDATA(screen, cell->row);
|
|
|
|
*buffer = '\0';
|
|
if (ld != 0 && cell->col < (int) ld->lineSize) {
|
|
IAttr attribs = ld->attribs[cell->col];
|
|
const char *delim = "";
|
|
|
|
if (attribs & INVERSE) {
|
|
buffer += sprintf(buffer, "7");
|
|
delim = ";";
|
|
}
|
|
if (attribs & UNDERLINE) {
|
|
buffer += sprintf(buffer, "%s4", delim);
|
|
delim = ";";
|
|
}
|
|
if (attribs & BOLD) {
|
|
buffer += sprintf(buffer, "%s1", delim);
|
|
delim = ";";
|
|
}
|
|
if (attribs & BLINK) {
|
|
buffer += sprintf(buffer, "%s5", delim);
|
|
delim = ";";
|
|
}
|
|
#if OPT_ISO_COLORS
|
|
if (attribs & FG_COLOR) {
|
|
Pixel fg = extract_fg(xw, ld->color[cell->col], attribs);
|
|
if (fg < 8) {
|
|
fg += 30;
|
|
} else if (fg < 16) {
|
|
fg += 90;
|
|
} else {
|
|
buffer += sprintf(buffer, "%s38;5", delim);
|
|
delim = ";";
|
|
}
|
|
buffer += sprintf(buffer, "%s%lu", delim, fg);
|
|
delim = ";";
|
|
}
|
|
if (attribs & BG_COLOR) {
|
|
Pixel bg = extract_bg(xw, ld->color[cell->col], attribs);
|
|
if (bg < 8) {
|
|
bg += 40;
|
|
} else if (bg < 16) {
|
|
bg += 100;
|
|
} else {
|
|
buffer += sprintf(buffer, "%s48;5", delim);
|
|
delim = ";";
|
|
}
|
|
(void) sprintf(buffer, "%s%lu", delim, bg);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static char *
|
|
formatStrlen(char *target, char *source, int freeit)
|
|
{
|
|
if (source != 0) {
|
|
sprintf(target, "%u", (unsigned) strlen(source));
|
|
if (freeit) {
|
|
free(source);
|
|
}
|
|
} else {
|
|
strcpy(target, "0");
|
|
}
|
|
return target;
|
|
}
|
|
|
|
/* substitute data into format, reallocating the result */
|
|
static char *
|
|
expandFormat(XtermWidget xw,
|
|
const char *format,
|
|
char *data,
|
|
CELL *start,
|
|
CELL *finish)
|
|
{
|
|
char *result = 0;
|
|
if (!IsEmpty(format)) {
|
|
static char empty[1];
|
|
int pass;
|
|
int n;
|
|
char numbers[80];
|
|
|
|
if (data == 0)
|
|
data = empty;
|
|
|
|
for (pass = 0; pass < 2; ++pass) {
|
|
size_t need = 0;
|
|
|
|
for (n = 0; format[n] != '\0'; ++n) {
|
|
|
|
if (format[n] == '%') {
|
|
char *value = 0;
|
|
|
|
switch (format[++n]) {
|
|
case '%':
|
|
if (pass) {
|
|
result[need] = format[n];
|
|
}
|
|
++need;
|
|
break;
|
|
case 'P':
|
|
sprintf(numbers, "%d;%d",
|
|
TScreenOf(xw)->topline + start->row + 1,
|
|
start->col + 1);
|
|
value = numbers;
|
|
break;
|
|
case 'p':
|
|
sprintf(numbers, "%d;%d",
|
|
TScreenOf(xw)->topline + finish->row + 1,
|
|
finish->col + 1);
|
|
value = numbers;
|
|
break;
|
|
case 'R':
|
|
value = formatStrlen(numbers, x_strrtrim(data), 1);
|
|
break;
|
|
case 'r':
|
|
value = x_strrtrim(data);
|
|
break;
|
|
case 'S':
|
|
value = formatStrlen(numbers, data, 0);
|
|
break;
|
|
case 's':
|
|
value = data;
|
|
break;
|
|
case 'T':
|
|
value = formatStrlen(numbers, x_strtrim(data), 1);
|
|
break;
|
|
case 't':
|
|
value = x_strtrim(data);
|
|
break;
|
|
case 'V':
|
|
formatVideoAttrs(xw, numbers, start);
|
|
value = numbers;
|
|
break;
|
|
case 'v':
|
|
formatVideoAttrs(xw, numbers, finish);
|
|
value = numbers;
|
|
break;
|
|
default:
|
|
if (pass) {
|
|
result[need] = format[n];
|
|
}
|
|
--n;
|
|
++need;
|
|
break;
|
|
}
|
|
if (value != 0) {
|
|
if (pass) {
|
|
strcpy(result + need, value);
|
|
}
|
|
need += strlen(value);
|
|
if (value != numbers && value != data) {
|
|
free(value);
|
|
}
|
|
}
|
|
} else {
|
|
if (pass) {
|
|
result[need] = format[n];
|
|
}
|
|
++need;
|
|
}
|
|
}
|
|
if (pass) {
|
|
result[need] = '\0';
|
|
} else {
|
|
++need;
|
|
result = malloc(need);
|
|
if (result == 0) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
TRACE(("expandFormat(%s) = %s\n", NonNull(format), NonNull(result)));
|
|
return result;
|
|
}
|
|
|
|
/* execute the command after forking. The main process frees its data */
|
|
static void
|
|
executeCommand(pid_t pid, char **argv)
|
|
{
|
|
(void) pid;
|
|
if (argv != 0 && argv[0] != 0) {
|
|
char *child_cwd = ProcGetCWD(pid);
|
|
|
|
if (fork() == 0) {
|
|
if (child_cwd) {
|
|
IGNORE_RC(chdir(child_cwd)); /* We don't care if this fails */
|
|
}
|
|
execvp(argv[0], argv);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
free(child_cwd);
|
|
}
|
|
}
|
|
|
|
static void
|
|
freeArgv(char *blob, char **argv)
|
|
{
|
|
if (blob) {
|
|
free(blob);
|
|
if (argv) {
|
|
int n;
|
|
for (n = 0; argv[n]; ++n)
|
|
free(argv[n]);
|
|
free(argv);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
reallyExecFormatted(Widget w, char *format, char *data, CELL *start, CELL *finish)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
char **argv;
|
|
|
|
if ((argv = tokenizeFormat(format)) != 0) {
|
|
char *blob = argv[0];
|
|
int argc;
|
|
|
|
for (argc = 0; argv[argc] != 0; ++argc) {
|
|
argv[argc] = expandFormat(xw, argv[argc], data, start, finish);
|
|
}
|
|
executeCommand(TScreenOf(xw)->pid, argv);
|
|
freeArgv(blob, argv);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
HandleExecFormatted(Widget w,
|
|
XEvent *event,
|
|
String *params, /* selections */
|
|
Cardinal *num_params)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
TRACE_EVENT("HandleExecFormatted", event, params, num_params);
|
|
if ((xw = getXtermWidget(w)) != 0 &&
|
|
(*num_params > 1)) {
|
|
doSelectionFormat(xw, w, event, params, num_params, reallyExecFormatted);
|
|
}
|
|
}
|
|
|
|
void
|
|
HandleExecSelectable(Widget w,
|
|
XEvent *event,
|
|
String *params, /* selections */
|
|
Cardinal *num_params)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TRACE_EVENT("HandleExecSelectable", event, params, num_params);
|
|
|
|
if (*num_params == 2) {
|
|
CELL start, finish;
|
|
char *data;
|
|
char **argv;
|
|
|
|
data = getDataFromScreen(xw, event, params[1], &start, &finish);
|
|
if (data != 0) {
|
|
if ((argv = tokenizeFormat(params[0])) != 0) {
|
|
char *blob = argv[0];
|
|
int argc;
|
|
|
|
for (argc = 0; argv[argc] != 0; ++argc) {
|
|
argv[argc] = expandFormat(xw, argv[argc], data,
|
|
&start, &finish);
|
|
}
|
|
executeCommand(TScreenOf(xw)->pid, argv);
|
|
freeArgv(blob, argv);
|
|
}
|
|
free(data);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
reallyInsertFormatted(Widget w, char *format, char *data, CELL *start, CELL *finish)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
char *exps;
|
|
|
|
if ((exps = expandFormat(xw, format, data, start, finish)) != 0) {
|
|
unparseputs(xw, exps);
|
|
unparse_end(xw);
|
|
free(exps);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
HandleInsertFormatted(Widget w,
|
|
XEvent *event,
|
|
String *params, /* selections */
|
|
Cardinal *num_params)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
TRACE_EVENT("HandleInsertFormatted", event, params, num_params);
|
|
if ((xw = getXtermWidget(w)) != 0 &&
|
|
(*num_params > 1)) {
|
|
doSelectionFormat(xw, w, event, params, num_params, reallyInsertFormatted);
|
|
}
|
|
}
|
|
|
|
void
|
|
HandleInsertSelectable(Widget w,
|
|
XEvent *event,
|
|
String *params, /* selections */
|
|
Cardinal *num_params)
|
|
{
|
|
XtermWidget xw;
|
|
|
|
if ((xw = getXtermWidget(w)) != 0) {
|
|
TRACE_EVENT("HandleInsertSelectable", event, params, num_params);
|
|
|
|
if (*num_params == 2) {
|
|
CELL start, finish;
|
|
char *data;
|
|
char *temp = x_strdup(params[0]);
|
|
|
|
data = getDataFromScreen(xw, event, params[1], &start, &finish);
|
|
if (data != 0) {
|
|
char *exps = expandFormat(xw, temp, data, &start, &finish);
|
|
if (exps != 0) {
|
|
unparseputs(xw, exps);
|
|
unparse_end(xw);
|
|
free(exps);
|
|
}
|
|
free(data);
|
|
}
|
|
free(temp);
|
|
}
|
|
}
|
|
}
|
|
#endif /* OPT_SELECTION_OPS */
|