577 lines
14 KiB
C
577 lines
14 KiB
C
/******************************************************************
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Copyright 1992, 1993, 1994 by FUJITSU LIMITED
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Permission to use, copy, modify, distribute, and sell this software
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and its documentation for any purpose is hereby granted without fee,
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provided that the above copyright notice appear in all copies and
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that both that copyright notice and this permission notice appear
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in supporting documentation, and that the name of FUJITSU LIMITED
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not be used in advertising or publicity pertaining to distribution
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of the software without specific, written prior permission.
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FUJITSU LIMITED makes no representations about the suitability of
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this software for any purpose.
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It is provided "as is" without express or implied warranty.
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FUJITSU LIMITED DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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EVENT SHALL FUJITSU LIMITED BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
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USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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PERFORMANCE OF THIS SOFTWARE.
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Author: Takashi Fujiwara FUJITSU LIMITED
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fujiwara@a80.tech.yk.fujitsu.co.jp
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******************************************************************/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <X11/Xatom.h>
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#include "Xlibint.h"
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#include "Xlcint.h"
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#include "Ximint.h"
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/*
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* index of extensions
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*/
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#define XIM_EXT_SET_EVENT_MASK_IDX 0
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#ifdef EXT_FORWARD
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#define XIM_EXT_FORWARD_KEYEVENT_IDX 1
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#endif
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#ifdef EXT_MOVE
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#define XIM_EXT_MOVE_IDX 2
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#endif
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typedef struct _XIM_QueryExtRec {
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Bool is_support;
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const char *name;
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int name_len;
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CARD16 major_opcode;
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CARD16 minor_opcode;
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int idx;
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} XIM_QueryExtRec;
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static XIM_QueryExtRec extensions[] = {
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{False, "XIM_EXT_SET_EVENT_MASK", 0, 0, 0,
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XIM_EXT_SET_EVENT_MASK_IDX},
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#ifdef EXT_FORWARD
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{False, "XIM_EXT_FORWARD_KEYEVENT", 0, 0, 0,
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XIM_EXT_FORWARD_KEYEVENT_IDX},
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#endif
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#ifdef EXT_MOVE
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{False, "XIM_EXT_MOVE", 0, 0, 0, XIM_EXT_MOVE_IDX},
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#endif
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{False, NULL, 0, 0, 0, 0} /* dummy */
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};
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static int
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_XimIsSupportExt(
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int idx)
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{
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register int i;
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int n = XIMNumber(extensions) - 1;
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for (i = 0; i < n; i++) {
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if (extensions[i].idx == idx) {
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if (extensions[i].is_support)
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return i;
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else
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break;
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}
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}
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return -1;
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}
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static Bool
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_XimProcExtSetEventMask(
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Xim im,
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Xic ic,
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XPointer buf)
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{
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EVENTMASK *buf_l = (EVENTMASK *)buf;
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EVENTMASK select_mask = _XimGetWindowEventmask(ic);
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ic->private.proto.filter_event_mask = buf_l[0];
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ic->private.proto.intercept_event_mask = buf_l[1];
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ic->private.proto.select_event_mask = buf_l[2];
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ic->private.proto.forward_event_mask = buf_l[3];
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ic->private.proto.synchronous_event_mask = buf_l[4];
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select_mask &= ~ic->private.proto.intercept_event_mask;
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/* deselected event mask */
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select_mask |= ic->private.proto.select_event_mask;
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/* selected event mask */
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XSelectInput(im->core.display, ic->core.focus_window, select_mask);
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_XimReregisterFilter(ic);
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if (!(_XimProcSyncReply(im, ic)))
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return False;
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return True;
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}
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static Bool
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_XimExtSetEventMaskCallback(
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Xim xim,
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INT16 len,
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XPointer data,
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XPointer call_data)
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{
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CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE);
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XIMID imid = buf_s[0];
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XICID icid = buf_s[1];
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Xim im = (Xim)call_data;
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Xic ic;
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if ((imid == im->private.proto.imid)
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&& (ic = _XimICOfXICID(im, icid))) {
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(void)_XimProcExtSetEventMask(im, ic, (XPointer)&buf_s[2]);
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return True;
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}
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return False;
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}
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#ifdef EXT_FORWARD
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static Bool
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_XimProcExtForwardKeyEvent(
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Xim im,
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Xic ic,
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XPointer buf)
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{
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CARD8 *buf_b = (CARD8 *)buf;
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CARD16 *buf_s = (CARD16 *)buf;
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CARD32 *buf_l = (CARD32 *)buf;
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XEvent ev;
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XKeyEvent *kev = (XKeyEvent *)&ev;
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bzero(&ev, sizeof(XEvent));
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kev->send_event = False;
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kev->display = im->core.display;
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kev->serial = buf_s[1]; /* sequence number */
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kev->type = buf_b[4] & 0x7f; /* xEvent.u.u.type */
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kev->keycode = buf_b[5]; /* Keycode */
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kev->state = buf_s[3]; /* state */
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kev->time = buf_l[2]; /* time */
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XPutBackEvent(im->core.display, &ev);
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_XimRespSyncReply(ic, buf_s[0]);
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MARK_FABRICATED(im);
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return True;
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}
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static Bool
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_XimExtForwardKeyEventCallback(
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Xim xim,
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INT16 len,
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XPointer data,
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XPointer call_data)
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{
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CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE);
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XIMID imid = buf_s[0];
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XICID icid = buf_s[1];
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Xim im = (Xim)call_data;
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Xic ic;
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if ((imid == im->private.proto.imid)
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&& (ic = _XimICOfXICID(im, icid))) {
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(void)_XimProcExtForwardKeyEvent(im, ic, (XPointer)&buf_s[2]);
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return True;
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}
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return False;
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}
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static Bool
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_XimExtForwardKeyEventCheck(
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Xim im,
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INT16 len,
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XPointer data,
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XPointer arg)
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{
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Xic ic = (Xic)arg;
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CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE);
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CARD8 major_opcode = *((CARD8 *)data);
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CARD8 minor_opcode = *((CARD8 *)data + 1);
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XIMID imid = buf_s[0];
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XICID icid = buf_s[1];
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if ((major_opcode == XIM_SYNC_REPLY)
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&& (minor_opcode == 0)
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&& (imid == im->private.proto.imid)
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&& (icid == ic->private.proto.icid))
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if ((major_opcode == XIM_ERROR)
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&& (minor_opcode == 0)
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&& (buf_s[2] & XIM_IMID_VALID)
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&& (imid == im->private.proto.imid)
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&& (buf_s[2] & XIM_ICID_VALID)
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&& (icid == ic->private.proto.icid))
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return True;
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return False;
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}
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Bool
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_XimExtForwardKeyEvent(
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Xic ic,
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XKeyEvent *ev,
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Bool sync)
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{
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Xim im = (Xim) ic->core.im;
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CARD32 buf32[BUFSIZE/4];
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CARD8 *buf = (CARD8 *)buf32;
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CARD8 *buf_b = &buf[XIM_HEADER_SIZE];
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CARD16 *buf_s = (CARD16 *)buf_b;
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CARD32 *buf_l = (CARD32 *)buf_b;
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CARD32 reply32[BUFSIZE/4];
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char *reply = (char *)reply32;
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XPointer preply;
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int buf_size;
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int ret_code;
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INT16 len;
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int idx;
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if ((idx = _XimIsSupportExt(XIM_EXT_FORWARD_KEYEVENT_IDX)) < 0)
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return False;
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buf_s[0] = im->private.proto.imid; /* imid */
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buf_s[1] = ic->private.proto.icid; /* icid */
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buf_s[2] = sync ? XimSYNCHRONUS : 0; /* flag */
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buf_s[3] = (CARD16)(((XAnyEvent *)ev)->serial & ((unsigned long) 0xffff));
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/* sequence number */
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buf_b[8] = ev->type; /* xEvent.u.u.type */
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buf_b[9] = ev->keycode; /* keycode */
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buf_s[5] = ev->state; /* state */
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buf_l[3] = ev->time; /* time */
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len = sizeof(CARD16) /* sizeof imid */
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+ sizeof(CARD16) /* sizeof icid */
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+ sizeof(BITMASK16) /* sizeof flag */
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+ sizeof(CARD16) /* sizeof sequence number */
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+ sizeof(BYTE) /* sizeof xEvent.u.u.type */
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+ sizeof(BYTE) /* sizeof keycode */
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+ sizeof(CARD16) /* sizeof state */
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+ sizeof(CARD32); /* sizeof time */
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_XimSetHeader((XPointer)buf,
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extensions[idx].major_opcode,
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extensions[idx].minor_opcode, &len);
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if (!(_XimWrite(im, len, (XPointer)buf)))
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return False;
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_XimFlush(im);
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if (sync) {
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buf_size = BUFSIZE;
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ret_code = _XimRead(im, &len, (XPointer)reply, buf_size,
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_XimExtForwardKeyEventCheck, (XPointer)ic);
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if(ret_code == XIM_TRUE) {
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preply = reply;
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} else if(ret_code == XIM_OVERFLOW) {
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if(len <= 0) {
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preply = reply;
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} else {
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buf_sizex = len;
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preply = Xmalloc(buf_size);
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ret_code = _XimRead(im, &len, preply, buf_size,
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_XimExtForwardKeyEventCheck, (XPointer)ic);
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if(ret_code != XIM_TRUE) {
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Xfree(preply);
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return False;
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}
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}
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} else
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return False;
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buf_s = (CARD16 *)((char *)preply + XIM_HEADER_SIZE);
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if (*((CARD8 *)preply) == XIM_ERROR) {
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_XimProcError(im, 0, (XPointer)&buf_s[3]);
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if(reply != preply)
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Xfree(preply);
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return False;
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}
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if(reply != preply)
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Xfree(preply);
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}
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return True;
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}
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#endif /* EXT_FORWARD */
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static int
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_XimCheckExtensionListSize(void)
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{
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register int i;
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int len;
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int total = 0;
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int n = XIMNumber(extensions) - 1;
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for (i = 0; i < n; i++) {
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len = strlen(extensions[i].name);
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extensions[i].name_len = len;
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len += sizeof(BYTE);
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total += len;
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}
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return total;
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}
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static void
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_XimSetExtensionList(
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CARD8 *buf)
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{
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register int i;
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int len;
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int n = XIMNumber(extensions) - 1;
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for (i = 0; i < n; i++) {
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len = extensions[i].name_len;
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buf[0] = (BYTE)len;
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(void)strcpy((char *)&buf[1], extensions[i].name);
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len += sizeof(BYTE);
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buf += len;
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}
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return;
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}
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static unsigned int
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_XimCountNumberOfExtension(
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INT16 total,
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CARD8 *ext)
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{
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unsigned int n;
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INT16 len;
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INT16 min_len = sizeof(CARD8)
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+ sizeof(CARD8)
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+ sizeof(INT16);
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n = 0;
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while (total > min_len) {
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len = *((INT16 *)(&ext[2]));
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len += (min_len + XIM_PAD(len));
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total -= len;
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ext += len;
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n++;
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}
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return n;
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}
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static Bool
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_XimParseExtensionList(
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Xim im,
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CARD16 *data)
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{
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int num = XIMNumber(extensions) - 1;
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unsigned int n;
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CARD8 *buf;
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register int i;
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register int j;
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INT16 len;
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if (!(n = _XimCountNumberOfExtension(data[0], (CARD8 *)&data[1])))
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return True;
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buf = (CARD8 *)&data[1];;
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for (i = 0; i < n; i++) {
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len = *((INT16 *)(&buf[2]));
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for (j = 0; j < num; j++) {
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if (!(strncmp(extensions[j].name, (char *)&buf[4], len))) {
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extensions[j].major_opcode = buf[0];
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extensions[j].minor_opcode = buf[1];
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extensions[j].is_support = True;
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break;
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}
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}
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len += sizeof(CARD8) /* sizeof major_opcode */
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+ sizeof(CARD8) /* sizeof minor_opcode */
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+ sizeof(INT16) /* sizeof length */
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+ XIM_PAD(len); /* sizeof pad */
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buf += len;
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}
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return True;
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}
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static Bool
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_XimQueryExtensionCheck(
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Xim im,
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INT16 len,
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XPointer data,
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XPointer arg)
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{
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CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE);
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CARD8 major_opcode = *((CARD8 *)data);
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CARD8 minor_opcode = *((CARD8 *)data + 1);
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XIMID imid = buf_s[0];
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if ((major_opcode == XIM_QUERY_EXTENSION_REPLY)
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&& (minor_opcode == 0)
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&& (imid == im->private.proto.imid))
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return True;
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if ((major_opcode == XIM_ERROR)
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&& (minor_opcode == 0)
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&& (buf_s[2] & XIM_IMID_VALID)
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&& (imid == im->private.proto.imid))
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return True;
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return False;
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}
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Bool
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_XimExtension(
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Xim im)
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{
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CARD8 *buf;
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CARD16 *buf_s;
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int buf_len;
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INT16 len;
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CARD32 reply32[BUFSIZE/4];
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char *reply = (char *)reply32;
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XPointer preply;
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int buf_size;
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int ret_code;
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int idx;
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if (!(len = _XimCheckExtensionListSize()))
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return True;
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buf_len = XIM_HEADER_SIZE
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+ sizeof(CARD16)
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+ sizeof(INT16)
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+ len
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+ XIM_PAD(len);
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if (!(buf = Xmalloc(buf_len)))
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return False;
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buf_s = (CARD16 *)&buf[XIM_HEADER_SIZE];
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buf_s[0] = im->private.proto.imid; /* imid */
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buf_s[1] = len; /* length of Extensions */
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_XimSetExtensionList((CARD8 *)&buf_s[2]);
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/* extensions supported */
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XIM_SET_PAD(&buf_s[2], len); /* pad */
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len += sizeof(CARD16) /* sizeof imid */
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+ sizeof(INT16); /* sizeof length of extensions */
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_XimSetHeader((XPointer)buf, XIM_QUERY_EXTENSION, 0, &len);
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if (!(_XimWrite(im, len, (XPointer)buf))) {
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XFree(buf);
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return False;
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}
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XFree(buf);
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_XimFlush(im);
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buf_size = BUFSIZE;
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ret_code = _XimRead(im, &len, (XPointer)reply, buf_size,
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_XimQueryExtensionCheck, 0);
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if(ret_code == XIM_TRUE) {
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preply = reply;
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} else if(ret_code == XIM_OVERFLOW) {
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if(len <= 0) {
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preply = reply;
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} else {
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buf_size = len;
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preply = Xmalloc(buf_size);
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ret_code = _XimRead(im, &len, reply, buf_size,
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_XimQueryExtensionCheck, 0);
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if(ret_code != XIM_TRUE) {
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Xfree(preply);
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return False;
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}
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}
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} else
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return False;
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buf_s = (CARD16 *)((char *)preply + XIM_HEADER_SIZE);
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if (*((CARD8 *)preply) == XIM_ERROR) {
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_XimProcError(im, 0, (XPointer)&buf_s[3]);
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if(reply != preply)
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Xfree(preply);
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return False;
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}
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if (!(_XimParseExtensionList(im, &buf_s[1]))) {
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if(reply != preply)
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Xfree(preply);
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return False;
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}
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if(reply != preply)
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Xfree(preply);
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if ((idx = _XimIsSupportExt(XIM_EXT_SET_EVENT_MASK_IDX)) >= 0)
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_XimRegProtoIntrCallback(im,
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extensions[idx].major_opcode,
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extensions[idx].minor_opcode,
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_XimExtSetEventMaskCallback, (XPointer)im);
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#ifdef EXT_FORWARD
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if ((idx = _XimIsSupportExt(XIM_EXT_FORWARD_KEYEVENT_IDX)) >= 0)
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_XimRegProtoIntrCallback(im,
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extensions[idx].major_opcode,
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extensions[idx].minor_opcode,
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_XimExtForwardKeyEventCallback, (XPointer)im);
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#endif
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return True;
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}
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#ifdef EXT_MOVE
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/* flag of ExtenArgCheck */
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#define EXT_XNSPOTLOCATION (1L<<0)
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/* macro for ExtenArgCheck */
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#define SET_EXT_XNSPOTLOCATION(flag) (flag |= EXT_XNSPOTLOCATION)
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#define IS_EXT_XNSPOTLOCATION(flag) (flag & EXT_XNSPOTLOCATION)
|
|
|
|
/* length of XPoint attribute */
|
|
#define XIM_Xpoint_length 12
|
|
|
|
static Bool
|
|
_XimExtMove(
|
|
Xim im,
|
|
Xic ic,
|
|
CARD16 x,
|
|
CARD16 y)
|
|
{
|
|
CARD32 buf32[BUFSIZE/4];
|
|
CARD8 *buf = (CARD8 *)buf32;
|
|
CARD16 *buf_s = (CARD16 *)&buf[XIM_HEADER_SIZE];
|
|
INT16 len;
|
|
int idx;
|
|
|
|
if ((idx = _XimIsSupportExt(XIM_EXT_MOVE_IDX)) < 0)
|
|
return False;
|
|
|
|
buf_s[0] = im->private.proto.imid; /* imid */
|
|
buf_s[1] = ic->private.proto.icid; /* icid */
|
|
buf_s[2] = x; /* X */
|
|
buf_s[3] = y; /* Y */
|
|
len = sizeof(CARD16) /* sizeof imid */
|
|
+ sizeof(CARD16) /* sizeof icid */
|
|
+ sizeof(INT16) /* sizeof X */
|
|
+ sizeof(INT16); /* sizeof Y */
|
|
|
|
_XimSetHeader((XPointer)buf, extensions[idx].major_opcode,
|
|
extensions[idx].minor_opcode, &len);
|
|
if (!(_XimWrite(im, len, (XPointer)buf)))
|
|
return False;
|
|
_XimFlush(im);
|
|
return True;
|
|
}
|
|
|
|
BITMASK32
|
|
_XimExtenArgCheck(
|
|
XIMArg *arg)
|
|
{
|
|
CARD32 flag = 0L;
|
|
if (!strcmp(arg->name, XNSpotLocation))
|
|
SET_EXT_XNSPOTLOCATION(flag);
|
|
return flag;
|
|
}
|
|
|
|
Bool
|
|
_XimExtenMove(
|
|
Xim im,
|
|
Xic ic,
|
|
CARD32 flag,
|
|
CARD16 *buf,
|
|
INT16 length)
|
|
{
|
|
if ((IS_EXT_XNSPOTLOCATION(flag)) && (length == XIM_Xpoint_length))
|
|
return _XimExtMove(im, ic, buf[4], buf[5]);
|
|
return False;
|
|
}
|
|
#endif /* EXT_MOVE */
|