868 lines
19 KiB
C
868 lines
19 KiB
C
/* $XTermId: cachedGCs.c,v 1.49 2008/12/30 17:33:30 tom Exp $ */
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/************************************************************
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Copyright 2007,2008 by Thomas E. Dickey
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All Rights Reserved
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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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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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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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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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#include <data.h>
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#include <xstrings.h>
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#include <X11/Xmu/Drawing.h>
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#include <stdio.h>
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/*
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* hide (or eliminate) calls to
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* XCreateGC()
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* XFreeGC()
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* XGetGCValues()
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* XSetBackground()
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* XSetFont()
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* XSetForeground()
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* XtGetGC()
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* XtReleaseGC()
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* by associating an integer with each GC, maintaining a cache which
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* reflects frequency of use rather than most recent usage.
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*
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* FIXME: XTermFonts should hold gc, font, fs.
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*/
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typedef struct {
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GC gc;
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unsigned used;
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unsigned cset;
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XTermFonts *font;
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Pixel tile;
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Pixel fg;
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Pixel bg;
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} CgsCacheData;
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#define DEPTH 8
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#define ITEM() (me->data - me->list)
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#define LIST(item) me->list[item]
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#define LINK(item) me->data = (me->list + (item))
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#define THIS(field) me->data->field
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#define NEXT(field) me->next.field
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#define GC_CSet GCFunction
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typedef struct {
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CgsCacheData list[DEPTH];
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CgsCacheData *data; /* points to current list[] entry */
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XtGCMask mask; /* changes since the last getCgsGC() */
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CgsCacheData next; /* updated values, apply in getCgsGC() */
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} CgsCache;
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#if OPT_TRACE
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#define CASE(name) case gc##name: result = #name; break
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static String
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traceCgsEnum(CgsEnum value)
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{
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String result = "?";
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switch (value) {
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CASE(Norm);
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CASE(Bold);
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CASE(NormReverse);
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CASE(BoldReverse);
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#if OPT_BOX_CHARS
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CASE(Line);
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CASE(Dots);
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#endif
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#if OPT_DEC_CHRSET
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CASE(CNorm);
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CASE(CBold);
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#endif
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#if OPT_WIDE_CHARS
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CASE(Wide);
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CASE(WBold);
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CASE(WideReverse);
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CASE(WBoldReverse);
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#endif
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CASE(VTcursNormal);
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CASE(VTcursFilled);
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CASE(VTcursReverse);
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CASE(VTcursOutline);
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#if OPT_TEK4014
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CASE(TKcurs);
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#endif
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CASE(MAX);
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}
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return result;
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}
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#undef CASE
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static String
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traceVTwin(XtermWidget xw, VTwin * value)
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{
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String result = "?";
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if (value == 0)
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result = "null";
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else if (value == &(xw->screen.fullVwin))
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result = "fullVwin";
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#ifndef NO_ACTIVE_ICON
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else if (value == &(xw->screen.iconVwin))
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result = "iconVwin";
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#endif
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return result;
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}
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#if OPT_TRACE > 1
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static String
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traceCSet(unsigned cset)
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{
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static char result[80];
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switch (cset) {
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case CSET_SWL:
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strcpy(result, "SWL");
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break;
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case CSET_DHL_TOP:
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strcpy(result, "DHL_TOP");
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break;
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case CSET_DHL_BOT:
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strcpy(result, "DHL_BOT");
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break;
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case CSET_DWL:
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strcpy(result, "DWL");
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break;
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default:
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sprintf(result, "%#x", cset);
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break;
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}
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return result;
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}
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static String
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traceFont(XTermFonts * font)
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{
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static char result[80];
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XFontStruct *fs;
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if (font != 0 && (fs = font->fs) != 0) {
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sprintf(result, "%p(%dx%d %d %#lx)",
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fs,
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fs->max_bounds.width,
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fs->max_bounds.ascent + fs->max_bounds.descent,
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fs->max_bounds.descent,
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(unsigned long) (fs->fid));
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} else {
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strcpy(result, "null");
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}
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return result;
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}
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static String
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tracePixel(XtermWidget xw, Pixel value)
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{
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#define CASE(name) { name, #name }
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static struct {
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TermColors code;
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String name;
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} t_colors[] = {
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CASE(TEXT_FG),
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CASE(TEXT_BG),
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CASE(TEXT_CURSOR),
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CASE(MOUSE_FG),
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CASE(MOUSE_BG),
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#if OPT_TEK4014
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CASE(TEK_FG),
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CASE(TEK_BG),
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#endif
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#if OPT_HIGHLIGHT_COLOR
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CASE(HIGHLIGHT_BG),
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CASE(HIGHLIGHT_FG),
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#endif
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#if OPT_TEK4014
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CASE(TEK_CURSOR),
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#endif
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};
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TScreen *screen = &(xw->screen);
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String result = 0;
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int n;
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for (n = 0; n < NCOLORS; ++n) {
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if (value == T_COLOR(screen, t_colors[n].code)) {
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result = t_colors[n].name;
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break;
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}
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}
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if (result == 0) {
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for (n = 0; n < MAXCOLORS; ++n) {
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#if OPT_COLOR_RES
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if (screen->Acolors[n].mode > 0
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&& value == screen->Acolors[n].value) {
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result = screen->Acolors[n].resource;
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break;
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}
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#else
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if (value == screen->Acolors[n]) {
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char temp[80];
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sprintf(temp, "Acolors[%d]", n);
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result = x_strdup(temp);
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break;
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}
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#endif
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}
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}
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if (result == 0) {
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char temp[80];
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sprintf(temp, "%#lx", value);
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result = x_strdup(temp);
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}
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return result;
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}
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#undef CASE
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#endif /* OPT_TRACE > 1 */
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#endif /* OPT_TRACE */
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static CgsCache *
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allocCache(void **cache_pointer)
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{
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if (*cache_pointer == 0) {
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*cache_pointer = TypeCallocN(CgsCache, gcMAX);
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TRACE(("allocCache %p\n", cache_pointer));
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}
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return *((CgsCache **) cache_pointer);
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}
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static int
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dataIndex(CgsCache * me)
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{
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return ITEM();
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}
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static void
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relinkData(CgsCache * me, int item)
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{
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LINK(item);
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}
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/*
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* Returns the appropriate cache pointer.
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*/
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static CgsCache *
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myCache(XtermWidget xw, VTwin * cgsWin, CgsEnum cgsId)
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{
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CgsCache *result = 0;
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if ((int) cgsId >= 0 && cgsId < gcMAX) {
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#ifdef NO_ACTIVE_ICON
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(void) xw;
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(void) cgsWin;
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#else
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if (cgsWin == &(xw->screen.iconVwin))
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result = allocCache(&(xw->screen.icon_cgs_cache));
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else
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#endif
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result = allocCache(&(xw->screen.main_cgs_cache));
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result += cgsId;
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if (result->data == 0) {
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result->data = result->list;
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}
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}
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return result;
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}
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static Display *
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myDisplay(XtermWidget xw)
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{
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return xw->screen.display;
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}
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static Drawable
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myDrawable(XtermWidget xw, VTwin * cgsWin)
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{
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Drawable drawable = 0;
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if (cgsWin != 0 && cgsWin->window != 0)
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drawable = cgsWin->window;
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if (drawable == 0)
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drawable = RootWindowOfScreen(XtScreen(xw));
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return drawable;
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}
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static GC
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newCache(XtermWidget xw, VTwin * cgsWin, CgsEnum cgsId, CgsCache * me)
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{
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XGCValues xgcv;
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XtGCMask mask;
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THIS(font) = NEXT(font);
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THIS(cset) = NEXT(cset);
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THIS(fg) = NEXT(fg);
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THIS(bg) = NEXT(bg);
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memset(&xgcv, 0, sizeof(xgcv));
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xgcv.font = NEXT(font)->fs->fid;
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mask = (GCForeground | GCBackground | GCFont);
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switch (cgsId) {
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case gcNorm:
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case gcBold:
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case gcNormReverse:
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case gcBoldReverse:
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#if OPT_WIDE_CHARS
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case gcWide:
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case gcWBold:
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case gcWideReverse:
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case gcWBoldReverse:
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#endif
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mask |= (GCGraphicsExposures | GCFunction);
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xgcv.graphics_exposures = True; /* default */
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xgcv.function = GXcopy;
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break;
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#if OPT_BOX_CHARS
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case gcLine:
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mask |= (GCGraphicsExposures | GCFunction);
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xgcv.graphics_exposures = True; /* default */
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xgcv.function = GXcopy;
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break;
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case gcDots:
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xgcv.fill_style = FillTiled;
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xgcv.tile =
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XmuCreateStippledPixmap(XtScreen((Widget) xw),
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THIS(fg),
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THIS(bg),
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xw->core.depth);
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THIS(tile) = xgcv.tile;
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mask = (GCForeground | GCBackground);
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mask |= (GCGraphicsExposures | GCFunction | GCTile | GCFillStyle);
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xgcv.graphics_exposures = True; /* default */
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xgcv.function = GXcopy;
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break;
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#endif
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#if OPT_DEC_CHRSET
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case gcCNorm:
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case gcCBold:
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break;
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#endif
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case gcVTcursNormal: /* FALLTHRU */
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case gcVTcursFilled: /* FALLTHRU */
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case gcVTcursReverse: /* FALLTHRU */
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case gcVTcursOutline: /* FALLTHRU */
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break;
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#if OPT_TEK4014
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case gcTKcurs: /* FALLTHRU */
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/* FIXME */
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#endif
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case gcMAX: /* should not happen */
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return 0;
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}
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xgcv.foreground = NEXT(fg);
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xgcv.background = NEXT(bg);
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THIS(gc) = XCreateGC(myDisplay(xw), myDrawable(xw, cgsWin), mask, &xgcv);
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TRACE(("getCgsGC(%s) created gc %p(%d)\n",
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traceCgsEnum(cgsId), THIS(gc), ITEM()));
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THIS(used) = 0;
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return THIS(gc);
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}
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static Boolean
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HaveFont(XTermFonts * a)
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{
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return (Boolean) (a != 0 && a->fs != 0);
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}
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static Boolean
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SameFont(XTermFonts * a, XTermFonts * b)
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{
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return (Boolean) (HaveFont(a)
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&& HaveFont(b)
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&& ((a->fs == b->fs)
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|| !memcmp(a->fs, b->fs, sizeof(*(a->fs)))));
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}
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#define SameColor(a,b) ((a) == (b))
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#define SameCSet(a,b) ((a) == (b))
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static GC
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chgCache(XtermWidget xw, CgsEnum cgsId GCC_UNUSED, CgsCache * me)
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{
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XGCValues xgcv;
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XtGCMask mask = (GCForeground | GCBackground | GCFont);
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memset(&xgcv, 0, sizeof(xgcv));
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TRACE2(("chgCache(%s) old data fg=%s, bg=%s, font=%s cset %s\n",
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traceCgsEnum(cgsId),
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tracePixel(xw, THIS(fg)),
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tracePixel(xw, THIS(bg)),
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traceFont(THIS(font)),
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traceCSet(THIS(cset))));
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#if OPT_TRACE > 1
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if (!SameFont(THIS(font), NEXT(font)))
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TRACE2(("...chgCache new font=%s\n", traceFont(NEXT(font))));
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if (!SameCSet(THIS(cset), NEXT(cset)))
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TRACE2(("...chgCache new cset=%s\n", traceCSet(NEXT(cset))));
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if (!SameColor(THIS(fg), NEXT(fg)))
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TRACE2(("...chgCache new fg=%s\n", tracePixel(xw, NEXT(fg))));
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if (!SameColor(THIS(bg), NEXT(bg)))
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TRACE2(("...chgCache new bg=%s\n", tracePixel(xw, NEXT(bg))));
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#endif
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THIS(font) = NEXT(font);
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THIS(cset) = NEXT(cset);
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THIS(fg) = NEXT(fg);
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THIS(bg) = NEXT(bg);
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xgcv.font = THIS(font)->fs->fid;
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xgcv.foreground = THIS(fg);
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xgcv.background = THIS(bg);
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XChangeGC(myDisplay(xw), THIS(gc), mask, &xgcv);
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TRACE2(("...chgCache(%s) updated gc %p(%d)\n",
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traceCgsEnum(cgsId), THIS(gc), ITEM()));
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THIS(used) = 0;
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return THIS(gc);
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}
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/*
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* Use the "setCgsXXXX()" calls to initialize parameters for a new GC.
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*/
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void
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setCgsFore(XtermWidget xw, VTwin * cgsWin, CgsEnum cgsId, Pixel fg)
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{
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CgsCache *me;
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if ((me = myCache(xw, cgsWin, cgsId)) != 0) {
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if (!SameColor(NEXT(fg), fg)) {
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NEXT(fg) = fg;
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me->mask |= GCForeground;
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}
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}
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}
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void
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setCgsBack(XtermWidget xw, VTwin * cgsWin, CgsEnum cgsId, Pixel bg)
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{
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CgsCache *me;
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if ((me = myCache(xw, cgsWin, cgsId)) != 0) {
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if (!SameColor(NEXT(bg), bg)) {
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NEXT(bg) = bg;
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me->mask |= GCBackground;
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}
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}
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}
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#if OPT_DEC_CHRSET
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void
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setCgsCSet(XtermWidget xw, VTwin * cgsWin, CgsEnum cgsId, unsigned cset)
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{
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CgsCache *me;
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if ((me = myCache(xw, cgsWin, cgsId)) != 0) {
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if (!SameCSet(NEXT(cset), cset)) {
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NEXT(cset) = cset;
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me->mask |= GC_CSet;
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}
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}
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}
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#else
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#define setCgsCSet(xw, cgsWin, dstCgsId, cset) /* nothing */
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#endif
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void
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setCgsFont(XtermWidget xw, VTwin * cgsWin, CgsEnum cgsId, XTermFonts * font)
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{
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CgsCache *me;
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if ((me = myCache(xw, cgsWin, cgsId)) != 0) {
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if (!HaveFont(font)) {
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if (cgsId != gcNorm)
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(void) getCgsGC(xw, cgsWin, gcNorm);
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#ifndef NO_ACTIVE_ICON
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if (cgsWin == &(xw->screen.iconVwin))
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font = &(xw->screen.fnt_icon);
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else
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#endif
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font = &(xw->screen.fnts[fNorm]);
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}
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if (okFont(font->fs) && !SameFont(NEXT(font), font)) {
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TRACE2(("...updated next font for %s to %s\n",
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traceCgsEnum(cgsId), traceFont(font)));
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TRACE2(("...next font was %s\n", traceFont(NEXT(font))));
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NEXT(font) = font;
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me->mask |= GCFont;
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} else {
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TRACE2(("...NOT updated font for %s\n",
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traceCgsEnum(cgsId)));
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}
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}
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}
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|
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/*
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* Discard all of the font information, e.g., we are resizing the font.
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* Keep the GC's so we can simply change them rather than creating new ones.
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*/
|
|
void
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clrCgsFonts(XtermWidget xw, VTwin * cgsWin, XTermFonts * font)
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|
{
|
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CgsCache *me;
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int j, k;
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|
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if (HaveFont(font)) {
|
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for_each_gc(j) {
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if ((me = myCache(xw, cgsWin, (CgsEnum) j)) != 0) {
|
|
for (k = 0; k < DEPTH; ++k) {
|
|
if (SameFont(LIST(k).font, font)) {
|
|
TRACE2(("clrCgsFonts %s gc %p(%d) %s\n",
|
|
traceCgsEnum((CgsEnum) j),
|
|
LIST(k).gc,
|
|
k,
|
|
traceFont(font)));
|
|
LIST(k).font = 0;
|
|
LIST(k).cset = 0;
|
|
}
|
|
}
|
|
if (SameFont(NEXT(font), font)) {
|
|
TRACE2(("clrCgsFonts %s next %s\n",
|
|
traceCgsEnum((CgsEnum) j),
|
|
traceFont(font)));
|
|
NEXT(font) = 0;
|
|
NEXT(cset) = 0;
|
|
me->mask &= ~(GCFont | GC_CSet);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Return a GC associated with the given id, allocating if needed.
|
|
*/
|
|
GC
|
|
getCgsGC(XtermWidget xw, VTwin * cgsWin, CgsEnum cgsId)
|
|
{
|
|
CgsCache *me;
|
|
GC result = 0;
|
|
int j, k;
|
|
unsigned used = 0;
|
|
|
|
if ((me = myCache(xw, cgsWin, cgsId)) != 0) {
|
|
TRACE2(("getCgsGC(%s, %s)\n",
|
|
traceVTwin(xw, cgsWin), traceCgsEnum(cgsId)));
|
|
if (me->mask != 0) {
|
|
|
|
/* fill in the unchanged fields */
|
|
if (!(me->mask & GC_CSet))
|
|
NEXT(cset) = 0; /* OPT_DEC_CHRSET */
|
|
if (!(me->mask & GCFont))
|
|
NEXT(font) = THIS(font);
|
|
if (!(me->mask & GCForeground))
|
|
NEXT(fg) = THIS(fg);
|
|
if (!(me->mask & GCBackground))
|
|
NEXT(bg) = THIS(bg);
|
|
|
|
if (NEXT(font) == 0) {
|
|
setCgsFont(xw, cgsWin, cgsId, 0);
|
|
}
|
|
|
|
TRACE2(("...Cgs new data fg=%s, bg=%s, font=%s cset %s\n",
|
|
tracePixel(xw, NEXT(fg)),
|
|
tracePixel(xw, NEXT(bg)),
|
|
traceFont(NEXT(font)),
|
|
traceCSet(NEXT(cset))));
|
|
|
|
/* try to find the given data in an already-created GC */
|
|
for (j = 0; j < DEPTH; ++j) {
|
|
if (LIST(j).gc != 0
|
|
&& SameFont(LIST(j).font, NEXT(font))
|
|
&& SameCSet(LIST(j).cset, NEXT(cset))
|
|
&& SameColor(LIST(j).fg, NEXT(fg))
|
|
&& SameColor(LIST(j).bg, NEXT(bg))) {
|
|
LINK(j);
|
|
result = THIS(gc);
|
|
TRACE2(("getCgsGC existing %p(%d)\n", result, ITEM()));
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (result == 0) {
|
|
/* try to find an empty slot, to create a new GC */
|
|
used = 0;
|
|
for (j = 0; j < DEPTH; ++j) {
|
|
if (LIST(j).gc == 0) {
|
|
LINK(j);
|
|
result = newCache(xw, cgsWin, cgsId, me);
|
|
break;
|
|
}
|
|
if (used < LIST(j).used)
|
|
used = LIST(j).used;
|
|
}
|
|
}
|
|
|
|
if (result == 0) {
|
|
/* if none were empty, pick the least-used slot, to modify */
|
|
for (j = 0, k = -1; j < DEPTH; ++j) {
|
|
if (used >= LIST(j).used) {
|
|
used = LIST(j).used;
|
|
k = j;
|
|
}
|
|
}
|
|
LINK(k);
|
|
TRACE(("...getCgsGC least-used(%d) was %d\n", k, THIS(used)));
|
|
result = chgCache(xw, cgsId, me);
|
|
}
|
|
me->next = *(me->data);
|
|
} else {
|
|
result = THIS(gc);
|
|
}
|
|
me->mask = 0;
|
|
THIS(used) += 1;
|
|
TRACE2(("...getCgsGC(%s, %s) gc %p(%d), used %d\n",
|
|
traceVTwin(xw, cgsWin),
|
|
traceCgsEnum(cgsId), result, ITEM(), THIS(used)));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* Return the font for the given GC.
|
|
*/
|
|
CgsEnum
|
|
getCgsId(XtermWidget xw, VTwin * cgsWin, GC gc)
|
|
{
|
|
int n;
|
|
CgsEnum result = gcNorm;
|
|
|
|
for_each_gc(n) {
|
|
CgsCache *me;
|
|
|
|
if ((me = myCache(xw, cgsWin, (CgsEnum) n)) != 0) {
|
|
if (THIS(gc) == gc) {
|
|
result = (CgsEnum) n;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* Return the font for the given GC.
|
|
*/
|
|
XTermFonts *
|
|
getCgsFont(XtermWidget xw, VTwin * cgsWin, GC gc)
|
|
{
|
|
int n;
|
|
XTermFonts *result = 0;
|
|
|
|
for_each_gc(n) {
|
|
CgsCache *me;
|
|
|
|
if ((me = myCache(xw, cgsWin, (CgsEnum) n)) != 0) {
|
|
if (THIS(gc) == gc) {
|
|
result = THIS(font);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* Return the foreground color for the given GC.
|
|
*/
|
|
Pixel
|
|
getCgsFore(XtermWidget xw, VTwin * cgsWin, GC gc)
|
|
{
|
|
int n;
|
|
Pixel result = 0;
|
|
|
|
for_each_gc(n) {
|
|
CgsCache *me;
|
|
|
|
if ((me = myCache(xw, cgsWin, (CgsEnum) n)) != 0) {
|
|
if (THIS(gc) == gc) {
|
|
result = THIS(fg);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* Return the background color for the given GC.
|
|
*/
|
|
Pixel
|
|
getCgsBack(XtermWidget xw, VTwin * cgsWin, GC gc)
|
|
{
|
|
int n;
|
|
Pixel result = 0;
|
|
|
|
for_each_gc(n) {
|
|
CgsCache *me;
|
|
|
|
if ((me = myCache(xw, cgsWin, (CgsEnum) n)) != 0) {
|
|
if (THIS(gc) == gc) {
|
|
result = THIS(bg);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* Copy the parameters (except GC of course) from one cache record to another.
|
|
*/
|
|
void
|
|
copyCgs(XtermWidget xw, VTwin * cgsWin, CgsEnum dstCgsId, CgsEnum srcCgsId)
|
|
{
|
|
if (dstCgsId != srcCgsId) {
|
|
CgsCache *me;
|
|
|
|
if ((me = myCache(xw, cgsWin, srcCgsId)) != 0) {
|
|
TRACE(("copyCgs from %s to %s\n",
|
|
traceCgsEnum(srcCgsId),
|
|
traceCgsEnum(dstCgsId)));
|
|
setCgsFont(xw, cgsWin, dstCgsId, THIS(font));
|
|
setCgsCSet(xw, cgsWin, dstCgsId, THIS(cset));
|
|
setCgsFore(xw, cgsWin, dstCgsId, THIS(fg));
|
|
setCgsBack(xw, cgsWin, dstCgsId, THIS(bg));
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Interchange colors in the cache, e.g., for reverse-video.
|
|
*/
|
|
void
|
|
redoCgs(XtermWidget xw, Pixel fg, Pixel bg, CgsEnum cgsId)
|
|
{
|
|
int n;
|
|
VTwin *cgsWin = WhichVWin(&(xw->screen));
|
|
CgsCache *me = myCache(xw, cgsWin, cgsId);
|
|
|
|
if (me != 0) {
|
|
CgsCacheData *save_data = me->data;
|
|
|
|
for (n = 0; n < DEPTH; ++n) {
|
|
if (LIST(n).gc != 0) {
|
|
LINK(n);
|
|
|
|
if (LIST(n).fg == fg
|
|
&& LIST(n).bg == bg) {
|
|
setCgsFore(xw, cgsWin, cgsId, bg);
|
|
setCgsBack(xw, cgsWin, cgsId, fg);
|
|
} else if (LIST(n).fg == bg
|
|
&& LIST(n).bg == fg) {
|
|
setCgsFore(xw, cgsWin, cgsId, fg);
|
|
setCgsBack(xw, cgsWin, cgsId, bg);
|
|
} else {
|
|
continue;
|
|
}
|
|
|
|
(void) chgCache(xw, cgsId, me);
|
|
}
|
|
}
|
|
me->data = save_data;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Swap the cache records, e.g., when doing reverse-video.
|
|
*/
|
|
void
|
|
swapCgs(XtermWidget xw, VTwin * cgsWin, CgsEnum dstCgsId, CgsEnum srcCgsId)
|
|
{
|
|
if (dstCgsId != srcCgsId) {
|
|
CgsCache *dst;
|
|
CgsCache *src;
|
|
CgsCache tmp;
|
|
|
|
if ((src = myCache(xw, cgsWin, srcCgsId)) != 0) {
|
|
if ((dst = myCache(xw, cgsWin, dstCgsId)) != 0) {
|
|
int srcIndex = dataIndex(src);
|
|
int dstIndex = dataIndex(dst);
|
|
|
|
tmp = *dst;
|
|
*dst = *src;
|
|
*src = tmp;
|
|
|
|
relinkData(src, dstIndex);
|
|
relinkData(dst, srcIndex);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Free any GC associated with the given id.
|
|
*/
|
|
GC
|
|
freeCgs(XtermWidget xw, VTwin * cgsWin, CgsEnum cgsId)
|
|
{
|
|
CgsCache *me;
|
|
int j;
|
|
|
|
if ((me = myCache(xw, cgsWin, cgsId)) != 0) {
|
|
for (j = 0; j < DEPTH; ++j) {
|
|
if (LIST(j).gc != 0) {
|
|
TRACE(("freeCgs(%s, %s) gc %p(%d)\n",
|
|
traceVTwin(xw, cgsWin),
|
|
traceCgsEnum(cgsId), LIST(j).gc, j));
|
|
clrCgsFonts(xw, cgsWin, LIST(j).font);
|
|
#if OPT_BOX_CHARS
|
|
if (cgsId == gcDots) {
|
|
XmuReleaseStippledPixmap(XtScreen((Widget) xw), LIST(j).tile);
|
|
}
|
|
#endif
|
|
XFreeGC(xw->screen.display, LIST(j).gc);
|
|
memset(&LIST(j), 0, sizeof(LIST(j)));
|
|
}
|
|
LINK(0);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef NO_LEAKS
|
|
void
|
|
noleaks_cachedCgs(XtermWidget xw)
|
|
{
|
|
#ifndef NO_ACTIVE_ICON
|
|
free(xw->screen.icon_cgs_cache);
|
|
#endif
|
|
free(xw->screen.main_cgs_cache);
|
|
}
|
|
#endif
|