diff options
Diffstat (limited to 'libX11/modules/im/ximcp/imExten.c')
-rw-r--r-- | libX11/modules/im/ximcp/imExten.c | 1153 |
1 files changed, 576 insertions, 577 deletions
diff --git a/libX11/modules/im/ximcp/imExten.c b/libX11/modules/im/ximcp/imExten.c index 199368cbb..97309136e 100644 --- a/libX11/modules/im/ximcp/imExten.c +++ b/libX11/modules/im/ximcp/imExten.c @@ -1,577 +1,576 @@ -/****************************************************************** - - Copyright 1992, 1993, 1994 by FUJITSU LIMITED - -Permission to use, copy, modify, distribute, and sell this software -and its documentation for any purpose is hereby granted without fee, -provided that the above copyright notice appear in all copies and -that both that copyright notice and this permission notice appear -in supporting documentation, and that the name of FUJITSU LIMITED -not be used in advertising or publicity pertaining to distribution -of the software without specific, written prior permission. -FUJITSU LIMITED makes no representations about the suitability of -this software for any purpose. -It is provided "as is" without express or implied warranty. - -FUJITSU LIMITED DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, -INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO -EVENT SHALL FUJITSU LIMITED BE LIABLE FOR ANY SPECIAL, INDIRECT OR -CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF -USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR -OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR -PERFORMANCE OF THIS SOFTWARE. - - Author: Takashi Fujiwara FUJITSU LIMITED - fujiwara@a80.tech.yk.fujitsu.co.jp - -******************************************************************/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/Xatom.h> -#define NEED_EVENTS -#include "Xlibint.h" -#include "Xlcint.h" -#include "Ximint.h" - -/* - * index of extensions - */ - -#define XIM_EXT_SET_EVENT_MASK_IDX 0 -#ifdef EXT_FORWARD -#define XIM_EXT_FORWARD_KEYEVENT_IDX 1 -#endif -#ifdef EXT_MOVE -#define XIM_EXT_MOVE_IDX 2 -#endif - -typedef struct _XIM_QueryExtRec { - Bool is_support; - const char *name; - int name_len; - CARD16 major_opcode; - CARD16 minor_opcode; - int idx; -} XIM_QueryExtRec; - -Private XIM_QueryExtRec extensions[] = { - {False, "XIM_EXT_SET_EVENT_MASK", 0, 0, 0, - XIM_EXT_SET_EVENT_MASK_IDX}, -#ifdef EXT_FORWARD - {False, "XIM_EXT_FORWARD_KEYEVENT", 0, 0, 0, - XIM_EXT_FORWARD_KEYEVENT_IDX}, -#endif -#ifdef EXT_MOVE - {False, "XIM_EXT_MOVE", 0, 0, 0, XIM_EXT_MOVE_IDX}, -#endif - {False, NULL, 0, 0, 0, 0} /* dummy */ -}; - -Private int -_XimIsSupportExt( - int idx) -{ - register int i; - int n = XIMNumber(extensions) - 1; - - for (i = 0; i < n; i++) { - if (extensions[i].idx == idx) { - if (extensions[i].is_support) - return i; - else - break; - } - } - return -1; -} - -Private Bool -_XimProcExtSetEventMask( - Xim im, - Xic ic, - XPointer buf) -{ - EVENTMASK *buf_l = (EVENTMASK *)buf; - EVENTMASK select_mask = _XimGetWindowEventmask(ic); - - ic->private.proto.filter_event_mask = buf_l[0]; - ic->private.proto.intercept_event_mask = buf_l[1]; - ic->private.proto.select_event_mask = buf_l[2]; - ic->private.proto.forward_event_mask = buf_l[3]; - ic->private.proto.synchronous_event_mask = buf_l[4]; - - select_mask &= ~ic->private.proto.intercept_event_mask; - /* deselected event mask */ - select_mask |= ic->private.proto.select_event_mask; - /* selected event mask */ - XSelectInput(im->core.display, ic->core.focus_window, select_mask); - _XimReregisterFilter(ic); - - if (!(_XimProcSyncReply(im, ic))) - return False; - return True; -} - -Private Bool -_XimExtSetEventMaskCallback( - Xim xim, - INT16 len, - XPointer data, - XPointer call_data) -{ - CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE); - XIMID imid = buf_s[0]; - XICID icid = buf_s[1]; - Xim im = (Xim)call_data; - Xic ic; - - if ((imid == im->private.proto.imid) - && (ic = _XimICOfXICID(im, icid))) { - (void)_XimProcExtSetEventMask(im, ic, (XPointer)&buf_s[2]); - return True; - } - return False; -} - -#ifdef EXT_FORWARD -Private Bool -_XimProcExtForwardKeyEvent( - Xim im, - Xic ic, - XPointer buf) -{ - CARD8 *buf_b = (CARD8 *)buf; - CARD16 *buf_s = (CARD16 *)buf; - CARD32 *buf_l = (CARD32 *)buf; - XEvent ev; - XKeyEvent *kev = (XKeyEvent *)&ev; - - bzero(&ev, sizeof(XEvent)); - kev->send_event = False; - kev->display = im->core.display; - kev->serial = buf_s[1]; /* sequence number */ - kev->type = buf_b[4] & 0x7f; /* xEvent.u.u.type */ - kev->keycode = buf_b[5]; /* Keycode */ - kev->state = buf_s[3]; /* state */ - kev->time = buf_l[2]; /* time */ - - XPutBackEvent(im->core.display, &ev); - - _XimRespSyncReply(ic, buf_s[0]); - MARK_FABLICATED(ic); - - return True; -} - -Private Bool -_XimExtForwardKeyEventCallback( - Xim xim, - INT16 len, - XPointer data, - XPointer call_data) -{ - CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE); - XIMID imid = buf_s[0]; - XICID icid = buf_s[1]; - Xim im = (Xim)call_data; - Xic ic; - - if ((imid == im->private.proto.imid) - && (ic = _XimICOfXICID(im, icid))) { - (void)_XimProcExtForwardKeyEvent(im, ic, (XPointer)&buf_s[2]); - return True; - } - return False; -} - -Private Bool -_XimExtForwardKeyEventCheck( - Xim im, - INT16 len, - XPointer data, - XPointer arg) -{ - Xic ic = (Xic)arg; - CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE); - CARD8 major_opcode = *((CARD8 *)data); - CARD8 minor_opcode = *((CARD8 *)data + 1); - XIMID imid = buf_s[0]; - XICID icid = buf_s[1]; - - if ((major_opcode == XIM_SYNC_REPLY) - && (minor_opcode == 0) - && (imid == im->private.proto.imid) - && (icid == ic->private.proto.icid)) - if ((major_opcode == XIM_ERROR) - && (minor_opcode == 0) - && (buf_s[2] & XIM_IMID_VALID) - && (imid == im->private.proto.imid) - && (buf_s[2] & XIM_ICID_VALID) - && (icid == ic->private.proto.icid)) - return True; - return False; -} - -Public Bool -_XimExtForwardKeyEvent( - Xic ic, - XKeyEvent *ev, - Bool sync) -{ - Xim im = (Xim) ic->core.im; - CARD32 buf32[BUFSIZE/4]; - CARD8 *buf = (CARD8 *)buf32; - CARD8 *buf_b = &buf[XIM_HEADER_SIZE]; - CARD16 *buf_s = (CARD16 *)buf_b; - CARD32 *buf_l = (CARD32 *)buf_b; - CARD32 reply32[BUFSIZE/4]; - char *reply = (char *)reply32; - XPointer preply; - int buf_size; - int ret_code; - INT16 len; - int idx; - - if ((idx = _XimIsSupportExt(XIM_EXT_FORWARD_KEYEVENT_IDX)) < 0) - return False; - - buf_s[0] = im->private.proto.imid; /* imid */ - buf_s[1] = ic->private.proto.icid; /* icid */ - buf_s[2] = sync ? XimSYNCHRONUS : 0; /* flag */ - buf_s[3] = (CARD16)(((XAnyEvent *)ev)->serial & ((unsigned long) 0xffff)); - /* sequence number */ - buf_b[8] = ev->type; /* xEvent.u.u.type */ - buf_b[9] = ev->keycode; /* keycode */ - buf_s[5] = ev->state; /* state */ - buf_l[3] = ev->time; /* time */ - len = sizeof(CARD16) /* sizeof imid */ - + sizeof(CARD16) /* sizeof icid */ - + sizeof(BITMASK16) /* sizeof flag */ - + sizeof(CARD16) /* sizeof sequence number */ - + sizeof(BYTE) /* sizeof xEvent.u.u.type */ - + sizeof(BYTE) /* sizeof keycode */ - + sizeof(CARD16) /* sizeof state */ - + sizeof(CARD32); /* sizeof time */ - - _XimSetHeader((XPointer)buf, - extensions[idx].major_opcode, - extensions[idx].minor_opcode, &len); - if (!(_XimWrite(im, len, (XPointer)buf))) - return False; - _XimFlush(im); - if (sync) { - buf_size = BUFSIZE; - ret_code = _XimRead(im, &len, (XPointer)reply, buf_size, - _XimExtForwardKeyEventCheck, (XPointer)ic); - if(ret_code == XIM_TRUE) { - preply = reply; - } else if(ret_code == XIM_OVERFLOW) { - if(len <= 0) { - preply = reply; - } else { - buf_sizex = len; - preply = (XPointer)Xmalloc(buf_size); - ret_code = _XimRead(im, &len, preply, buf_size, - _XimExtForwardKeyEventCheck, (XPointer)ic); - if(ret_code != XIM_TRUE) { - Xfree(preply); - return False; - } - } - } else - return False; - buf_s = (CARD16 *)((char *)preply + XIM_HEADER_SIZE); - if (*((CARD8 *)preply) == XIM_ERROR) { - _XimProcError(im, 0, (XPointer)&buf_s[3]); - if(reply != preply) - Xfree(preply); - return False; - } - if(reply != preply) - Xfree(preply); - } - return True; -} -#endif /* EXT_FORWARD */ - -Private int -_XimCheckExtensionListSize(void) -{ - register int i; - int len; - int total = 0; - int n = XIMNumber(extensions) - 1; - - for (i = 0; i < n; i++) { - len = strlen(extensions[i].name); - extensions[i].name_len = len; - len += sizeof(BYTE); - total += len; - } - return total; -} - -Private void -_XimSetExtensionList( - CARD8 *buf) -{ - register int i; - int len; - int n = XIMNumber(extensions) - 1; - - for (i = 0; i < n; i++) { - len = extensions[i].name_len; - buf[0] = (BYTE)len; - (void)strcpy((char *)&buf[1], extensions[i].name); - len += sizeof(BYTE); - buf += len; - } - return; -} - -Private unsigned int -_XimCountNumberOfExtension( - INT16 total, - CARD8 *ext) -{ - unsigned int n; - INT16 len; - INT16 min_len = sizeof(CARD8) - + sizeof(CARD8) - + sizeof(INT16); - - n = 0; - while (total > min_len) { - len = *((INT16 *)(&ext[2])); - len += (min_len + XIM_PAD(len)); - total -= len; - ext += len; - n++; - } - return n; -} - -Private Bool -_XimParseExtensionList( - Xim im, - CARD16 *data) -{ - int num = XIMNumber(extensions) - 1; - unsigned int n; - CARD8 *buf; - register int i; - register int j; - INT16 len; - - if (!(n = _XimCountNumberOfExtension(data[0], (CARD8 *)&data[1]))) - return True; - - buf = (CARD8 *)&data[1];; - for (i = 0; i < n; i++) { - len = *((INT16 *)(&buf[2])); - for (j = 0; j < num; j++) { - if (!(strncmp(extensions[j].name, (char *)&buf[4], len))) { - extensions[j].major_opcode = buf[0]; - extensions[j].minor_opcode = buf[1]; - extensions[j].is_support = True; - break; - } - } - len += sizeof(CARD8) /* sizeof major_opcode */ - + sizeof(CARD8) /* sizeof minor_opcode */ - + sizeof(INT16) /* sizeof length */ - + XIM_PAD(len); /* sizeof pad */ - buf += len; - } - - return True; -} - -Private Bool -_XimQueryExtensionCheck( - Xim im, - INT16 len, - XPointer data, - XPointer arg) -{ - CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE); - CARD8 major_opcode = *((CARD8 *)data); - CARD8 minor_opcode = *((CARD8 *)data + 1); - XIMID imid = buf_s[0]; - - if ((major_opcode == XIM_QUERY_EXTENSION_REPLY) - && (minor_opcode == 0) - && (imid == im->private.proto.imid)) - return True; - if ((major_opcode == XIM_ERROR) - && (minor_opcode == 0) - && (buf_s[2] & XIM_IMID_VALID) - && (imid == im->private.proto.imid)) - return True; - return False; -} - -Public Bool -_XimExtension( - Xim im) -{ - CARD8 *buf; - CARD16 *buf_s; - int buf_len; - INT16 len; - CARD32 reply32[BUFSIZE/4]; - char *reply = (char *)reply32; - XPointer preply; - int buf_size; - int ret_code; - int idx; - - if (!(len = _XimCheckExtensionListSize())) - return True; - - buf_len = XIM_HEADER_SIZE - + sizeof(CARD16) - + sizeof(INT16) - + len - + XIM_PAD(len); - - if (!(buf = (CARD8 *)Xmalloc(buf_len))) - return False; - buf_s = (CARD16 *)&buf[XIM_HEADER_SIZE]; - - buf_s[0] = im->private.proto.imid; /* imid */ - buf_s[1] = len; /* length of Extensions */ - _XimSetExtensionList((CARD8 *)&buf_s[2]); - /* extensions supported */ - XIM_SET_PAD(&buf_s[2], len); /* pad */ - len += sizeof(CARD16) /* sizeof imid */ - + sizeof(INT16); /* sizeof length of extensions */ - - _XimSetHeader((XPointer)buf, XIM_QUERY_EXTENSION, 0, &len); - if (!(_XimWrite(im, len, (XPointer)buf))) { - XFree(buf); - return False; - } - XFree(buf); - _XimFlush(im); - buf_size = BUFSIZE; - ret_code = _XimRead(im, &len, (XPointer)reply, buf_size, - _XimQueryExtensionCheck, 0); - if(ret_code == XIM_TRUE) { - preply = reply; - } else if(ret_code == XIM_OVERFLOW) { - if(len <= 0) { - preply = reply; - } else { - buf_size = len; - preply = (XPointer)Xmalloc(buf_size); - ret_code = _XimRead(im, &len, reply, buf_size, - _XimQueryExtensionCheck, 0); - if(ret_code != XIM_TRUE) { - Xfree(preply); - return False; - } - } - } else - return False; - buf_s = (CARD16 *)((char *)preply + XIM_HEADER_SIZE); - if (*((CARD8 *)preply) == XIM_ERROR) { - _XimProcError(im, 0, (XPointer)&buf_s[3]); - if(reply != preply) - Xfree(preply); - return False; - } - - if (!(_XimParseExtensionList(im, &buf_s[1]))) { - if(reply != preply) - Xfree(preply); - return False; - } - if(reply != preply) - Xfree(preply); - - if ((idx = _XimIsSupportExt(XIM_EXT_SET_EVENT_MASK_IDX)) >= 0) - _XimRegProtoIntrCallback(im, - extensions[idx].major_opcode, - extensions[idx].minor_opcode, - _XimExtSetEventMaskCallback, (XPointer)im); -#ifdef EXT_FORWARD - if ((idx = _XimIsSupportExt(XIM_EXT_FORWARD_KEYEVENT_IDX)) >= 0) - _XimRegProtoIntrCallback(im, - extensions[idx].major_opcode, - extensions[idx].minor_opcode, - _XimExtForwardKeyEventCallback, (XPointer)im); -#endif - - return True; -} - -#ifdef EXT_MOVE -/* flag of ExtenArgCheck */ -#define EXT_XNSPOTLOCATION (1L<<0) - -/* macro for ExtenArgCheck */ -#define SET_EXT_XNSPOTLOCATION(flag) (flag |= EXT_XNSPOTLOCATION) -#define IS_EXT_XNSPOTLOCATION(flag) (flag & EXT_XNSPOTLOCATION) - -/* length of XPoint attribute */ -#define XIM_Xpoint_length 12 - -Private 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; -} - -Public BITMASK32 -_XimExtenArgCheck( - XIMArg *arg) -{ - CARD32 flag = 0L; - if (!strcmp(arg->name, XNSpotLocation)) - SET_EXT_XNSPOTLOCATION(flag); - return flag; -} - -Public 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 */ +/******************************************************************
+
+ Copyright 1992, 1993, 1994 by FUJITSU LIMITED
+
+Permission to use, copy, modify, distribute, and sell this software
+and its documentation for any purpose is hereby granted without fee,
+provided that the above copyright notice appear in all copies and
+that both that copyright notice and this permission notice appear
+in supporting documentation, and that the name of FUJITSU LIMITED
+not be used in advertising or publicity pertaining to distribution
+of the software without specific, written prior permission.
+FUJITSU LIMITED makes no representations about the suitability of
+this software for any purpose.
+It is provided "as is" without express or implied warranty.
+
+FUJITSU LIMITED DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+EVENT SHALL FUJITSU LIMITED BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
+USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+ Author: Takashi Fujiwara FUJITSU LIMITED
+ fujiwara@a80.tech.yk.fujitsu.co.jp
+
+******************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/Xatom.h>
+#include "Xlibint.h"
+#include "Xlcint.h"
+#include "Ximint.h"
+
+/*
+ * index of extensions
+ */
+
+#define XIM_EXT_SET_EVENT_MASK_IDX 0
+#ifdef EXT_FORWARD
+#define XIM_EXT_FORWARD_KEYEVENT_IDX 1
+#endif
+#ifdef EXT_MOVE
+#define XIM_EXT_MOVE_IDX 2
+#endif
+
+typedef struct _XIM_QueryExtRec {
+ Bool is_support;
+ const char *name;
+ int name_len;
+ CARD16 major_opcode;
+ CARD16 minor_opcode;
+ int idx;
+} XIM_QueryExtRec;
+
+Private XIM_QueryExtRec extensions[] = {
+ {False, "XIM_EXT_SET_EVENT_MASK", 0, 0, 0,
+ XIM_EXT_SET_EVENT_MASK_IDX},
+#ifdef EXT_FORWARD
+ {False, "XIM_EXT_FORWARD_KEYEVENT", 0, 0, 0,
+ XIM_EXT_FORWARD_KEYEVENT_IDX},
+#endif
+#ifdef EXT_MOVE
+ {False, "XIM_EXT_MOVE", 0, 0, 0, XIM_EXT_MOVE_IDX},
+#endif
+ {False, NULL, 0, 0, 0, 0} /* dummy */
+};
+
+Private int
+_XimIsSupportExt(
+ int idx)
+{
+ register int i;
+ int n = XIMNumber(extensions) - 1;
+
+ for (i = 0; i < n; i++) {
+ if (extensions[i].idx == idx) {
+ if (extensions[i].is_support)
+ return i;
+ else
+ break;
+ }
+ }
+ return -1;
+}
+
+Private Bool
+_XimProcExtSetEventMask(
+ Xim im,
+ Xic ic,
+ XPointer buf)
+{
+ EVENTMASK *buf_l = (EVENTMASK *)buf;
+ EVENTMASK select_mask = _XimGetWindowEventmask(ic);
+
+ ic->private.proto.filter_event_mask = buf_l[0];
+ ic->private.proto.intercept_event_mask = buf_l[1];
+ ic->private.proto.select_event_mask = buf_l[2];
+ ic->private.proto.forward_event_mask = buf_l[3];
+ ic->private.proto.synchronous_event_mask = buf_l[4];
+
+ select_mask &= ~ic->private.proto.intercept_event_mask;
+ /* deselected event mask */
+ select_mask |= ic->private.proto.select_event_mask;
+ /* selected event mask */
+ XSelectInput(im->core.display, ic->core.focus_window, select_mask);
+ _XimReregisterFilter(ic);
+
+ if (!(_XimProcSyncReply(im, ic)))
+ return False;
+ return True;
+}
+
+Private Bool
+_XimExtSetEventMaskCallback(
+ Xim xim,
+ INT16 len,
+ XPointer data,
+ XPointer call_data)
+{
+ CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE);
+ XIMID imid = buf_s[0];
+ XICID icid = buf_s[1];
+ Xim im = (Xim)call_data;
+ Xic ic;
+
+ if ((imid == im->private.proto.imid)
+ && (ic = _XimICOfXICID(im, icid))) {
+ (void)_XimProcExtSetEventMask(im, ic, (XPointer)&buf_s[2]);
+ return True;
+ }
+ return False;
+}
+
+#ifdef EXT_FORWARD
+Private Bool
+_XimProcExtForwardKeyEvent(
+ Xim im,
+ Xic ic,
+ XPointer buf)
+{
+ CARD8 *buf_b = (CARD8 *)buf;
+ CARD16 *buf_s = (CARD16 *)buf;
+ CARD32 *buf_l = (CARD32 *)buf;
+ XEvent ev;
+ XKeyEvent *kev = (XKeyEvent *)&ev;
+
+ bzero(&ev, sizeof(XEvent));
+ kev->send_event = False;
+ kev->display = im->core.display;
+ kev->serial = buf_s[1]; /* sequence number */
+ kev->type = buf_b[4] & 0x7f; /* xEvent.u.u.type */
+ kev->keycode = buf_b[5]; /* Keycode */
+ kev->state = buf_s[3]; /* state */
+ kev->time = buf_l[2]; /* time */
+
+ XPutBackEvent(im->core.display, &ev);
+
+ _XimRespSyncReply(ic, buf_s[0]);
+ MARK_FABLICATED(ic);
+
+ return True;
+}
+
+Private Bool
+_XimExtForwardKeyEventCallback(
+ Xim xim,
+ INT16 len,
+ XPointer data,
+ XPointer call_data)
+{
+ CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE);
+ XIMID imid = buf_s[0];
+ XICID icid = buf_s[1];
+ Xim im = (Xim)call_data;
+ Xic ic;
+
+ if ((imid == im->private.proto.imid)
+ && (ic = _XimICOfXICID(im, icid))) {
+ (void)_XimProcExtForwardKeyEvent(im, ic, (XPointer)&buf_s[2]);
+ return True;
+ }
+ return False;
+}
+
+Private Bool
+_XimExtForwardKeyEventCheck(
+ Xim im,
+ INT16 len,
+ XPointer data,
+ XPointer arg)
+{
+ Xic ic = (Xic)arg;
+ CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE);
+ CARD8 major_opcode = *((CARD8 *)data);
+ CARD8 minor_opcode = *((CARD8 *)data + 1);
+ XIMID imid = buf_s[0];
+ XICID icid = buf_s[1];
+
+ if ((major_opcode == XIM_SYNC_REPLY)
+ && (minor_opcode == 0)
+ && (imid == im->private.proto.imid)
+ && (icid == ic->private.proto.icid))
+ if ((major_opcode == XIM_ERROR)
+ && (minor_opcode == 0)
+ && (buf_s[2] & XIM_IMID_VALID)
+ && (imid == im->private.proto.imid)
+ && (buf_s[2] & XIM_ICID_VALID)
+ && (icid == ic->private.proto.icid))
+ return True;
+ return False;
+}
+
+Public Bool
+_XimExtForwardKeyEvent(
+ Xic ic,
+ XKeyEvent *ev,
+ Bool sync)
+{
+ Xim im = (Xim) ic->core.im;
+ CARD32 buf32[BUFSIZE/4];
+ CARD8 *buf = (CARD8 *)buf32;
+ CARD8 *buf_b = &buf[XIM_HEADER_SIZE];
+ CARD16 *buf_s = (CARD16 *)buf_b;
+ CARD32 *buf_l = (CARD32 *)buf_b;
+ CARD32 reply32[BUFSIZE/4];
+ char *reply = (char *)reply32;
+ XPointer preply;
+ int buf_size;
+ int ret_code;
+ INT16 len;
+ int idx;
+
+ if ((idx = _XimIsSupportExt(XIM_EXT_FORWARD_KEYEVENT_IDX)) < 0)
+ return False;
+
+ buf_s[0] = im->private.proto.imid; /* imid */
+ buf_s[1] = ic->private.proto.icid; /* icid */
+ buf_s[2] = sync ? XimSYNCHRONUS : 0; /* flag */
+ buf_s[3] = (CARD16)(((XAnyEvent *)ev)->serial & ((unsigned long) 0xffff));
+ /* sequence number */
+ buf_b[8] = ev->type; /* xEvent.u.u.type */
+ buf_b[9] = ev->keycode; /* keycode */
+ buf_s[5] = ev->state; /* state */
+ buf_l[3] = ev->time; /* time */
+ len = sizeof(CARD16) /* sizeof imid */
+ + sizeof(CARD16) /* sizeof icid */
+ + sizeof(BITMASK16) /* sizeof flag */
+ + sizeof(CARD16) /* sizeof sequence number */
+ + sizeof(BYTE) /* sizeof xEvent.u.u.type */
+ + sizeof(BYTE) /* sizeof keycode */
+ + sizeof(CARD16) /* sizeof state */
+ + sizeof(CARD32); /* sizeof time */
+
+ _XimSetHeader((XPointer)buf,
+ extensions[idx].major_opcode,
+ extensions[idx].minor_opcode, &len);
+ if (!(_XimWrite(im, len, (XPointer)buf)))
+ return False;
+ _XimFlush(im);
+ if (sync) {
+ buf_size = BUFSIZE;
+ ret_code = _XimRead(im, &len, (XPointer)reply, buf_size,
+ _XimExtForwardKeyEventCheck, (XPointer)ic);
+ if(ret_code == XIM_TRUE) {
+ preply = reply;
+ } else if(ret_code == XIM_OVERFLOW) {
+ if(len <= 0) {
+ preply = reply;
+ } else {
+ buf_sizex = len;
+ preply = (XPointer)Xmalloc(buf_size);
+ ret_code = _XimRead(im, &len, preply, buf_size,
+ _XimExtForwardKeyEventCheck, (XPointer)ic);
+ if(ret_code != XIM_TRUE) {
+ Xfree(preply);
+ return False;
+ }
+ }
+ } else
+ return False;
+ buf_s = (CARD16 *)((char *)preply + XIM_HEADER_SIZE);
+ if (*((CARD8 *)preply) == XIM_ERROR) {
+ _XimProcError(im, 0, (XPointer)&buf_s[3]);
+ if(reply != preply)
+ Xfree(preply);
+ return False;
+ }
+ if(reply != preply)
+ Xfree(preply);
+ }
+ return True;
+}
+#endif /* EXT_FORWARD */
+
+Private int
+_XimCheckExtensionListSize(void)
+{
+ register int i;
+ int len;
+ int total = 0;
+ int n = XIMNumber(extensions) - 1;
+
+ for (i = 0; i < n; i++) {
+ len = strlen(extensions[i].name);
+ extensions[i].name_len = len;
+ len += sizeof(BYTE);
+ total += len;
+ }
+ return total;
+}
+
+Private void
+_XimSetExtensionList(
+ CARD8 *buf)
+{
+ register int i;
+ int len;
+ int n = XIMNumber(extensions) - 1;
+
+ for (i = 0; i < n; i++) {
+ len = extensions[i].name_len;
+ buf[0] = (BYTE)len;
+ (void)strcpy((char *)&buf[1], extensions[i].name);
+ len += sizeof(BYTE);
+ buf += len;
+ }
+ return;
+}
+
+Private unsigned int
+_XimCountNumberOfExtension(
+ INT16 total,
+ CARD8 *ext)
+{
+ unsigned int n;
+ INT16 len;
+ INT16 min_len = sizeof(CARD8)
+ + sizeof(CARD8)
+ + sizeof(INT16);
+
+ n = 0;
+ while (total > min_len) {
+ len = *((INT16 *)(&ext[2]));
+ len += (min_len + XIM_PAD(len));
+ total -= len;
+ ext += len;
+ n++;
+ }
+ return n;
+}
+
+Private Bool
+_XimParseExtensionList(
+ Xim im,
+ CARD16 *data)
+{
+ int num = XIMNumber(extensions) - 1;
+ unsigned int n;
+ CARD8 *buf;
+ register int i;
+ register int j;
+ INT16 len;
+
+ if (!(n = _XimCountNumberOfExtension(data[0], (CARD8 *)&data[1])))
+ return True;
+
+ buf = (CARD8 *)&data[1];;
+ for (i = 0; i < n; i++) {
+ len = *((INT16 *)(&buf[2]));
+ for (j = 0; j < num; j++) {
+ if (!(strncmp(extensions[j].name, (char *)&buf[4], len))) {
+ extensions[j].major_opcode = buf[0];
+ extensions[j].minor_opcode = buf[1];
+ extensions[j].is_support = True;
+ break;
+ }
+ }
+ len += sizeof(CARD8) /* sizeof major_opcode */
+ + sizeof(CARD8) /* sizeof minor_opcode */
+ + sizeof(INT16) /* sizeof length */
+ + XIM_PAD(len); /* sizeof pad */
+ buf += len;
+ }
+
+ return True;
+}
+
+Private Bool
+_XimQueryExtensionCheck(
+ Xim im,
+ INT16 len,
+ XPointer data,
+ XPointer arg)
+{
+ CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE);
+ CARD8 major_opcode = *((CARD8 *)data);
+ CARD8 minor_opcode = *((CARD8 *)data + 1);
+ XIMID imid = buf_s[0];
+
+ if ((major_opcode == XIM_QUERY_EXTENSION_REPLY)
+ && (minor_opcode == 0)
+ && (imid == im->private.proto.imid))
+ return True;
+ if ((major_opcode == XIM_ERROR)
+ && (minor_opcode == 0)
+ && (buf_s[2] & XIM_IMID_VALID)
+ && (imid == im->private.proto.imid))
+ return True;
+ return False;
+}
+
+Public Bool
+_XimExtension(
+ Xim im)
+{
+ CARD8 *buf;
+ CARD16 *buf_s;
+ int buf_len;
+ INT16 len;
+ CARD32 reply32[BUFSIZE/4];
+ char *reply = (char *)reply32;
+ XPointer preply;
+ int buf_size;
+ int ret_code;
+ int idx;
+
+ if (!(len = _XimCheckExtensionListSize()))
+ return True;
+
+ buf_len = XIM_HEADER_SIZE
+ + sizeof(CARD16)
+ + sizeof(INT16)
+ + len
+ + XIM_PAD(len);
+
+ if (!(buf = (CARD8 *)Xmalloc(buf_len)))
+ return False;
+ buf_s = (CARD16 *)&buf[XIM_HEADER_SIZE];
+
+ buf_s[0] = im->private.proto.imid; /* imid */
+ buf_s[1] = len; /* length of Extensions */
+ _XimSetExtensionList((CARD8 *)&buf_s[2]);
+ /* extensions supported */
+ XIM_SET_PAD(&buf_s[2], len); /* pad */
+ len += sizeof(CARD16) /* sizeof imid */
+ + sizeof(INT16); /* sizeof length of extensions */
+
+ _XimSetHeader((XPointer)buf, XIM_QUERY_EXTENSION, 0, &len);
+ if (!(_XimWrite(im, len, (XPointer)buf))) {
+ XFree(buf);
+ return False;
+ }
+ XFree(buf);
+ _XimFlush(im);
+ buf_size = BUFSIZE;
+ ret_code = _XimRead(im, &len, (XPointer)reply, buf_size,
+ _XimQueryExtensionCheck, 0);
+ if(ret_code == XIM_TRUE) {
+ preply = reply;
+ } else if(ret_code == XIM_OVERFLOW) {
+ if(len <= 0) {
+ preply = reply;
+ } else {
+ buf_size = len;
+ preply = (XPointer)Xmalloc(buf_size);
+ ret_code = _XimRead(im, &len, reply, buf_size,
+ _XimQueryExtensionCheck, 0);
+ if(ret_code != XIM_TRUE) {
+ Xfree(preply);
+ return False;
+ }
+ }
+ } else
+ return False;
+ buf_s = (CARD16 *)((char *)preply + XIM_HEADER_SIZE);
+ if (*((CARD8 *)preply) == XIM_ERROR) {
+ _XimProcError(im, 0, (XPointer)&buf_s[3]);
+ if(reply != preply)
+ Xfree(preply);
+ return False;
+ }
+
+ if (!(_XimParseExtensionList(im, &buf_s[1]))) {
+ if(reply != preply)
+ Xfree(preply);
+ return False;
+ }
+ if(reply != preply)
+ Xfree(preply);
+
+ if ((idx = _XimIsSupportExt(XIM_EXT_SET_EVENT_MASK_IDX)) >= 0)
+ _XimRegProtoIntrCallback(im,
+ extensions[idx].major_opcode,
+ extensions[idx].minor_opcode,
+ _XimExtSetEventMaskCallback, (XPointer)im);
+#ifdef EXT_FORWARD
+ if ((idx = _XimIsSupportExt(XIM_EXT_FORWARD_KEYEVENT_IDX)) >= 0)
+ _XimRegProtoIntrCallback(im,
+ extensions[idx].major_opcode,
+ extensions[idx].minor_opcode,
+ _XimExtForwardKeyEventCallback, (XPointer)im);
+#endif
+
+ return True;
+}
+
+#ifdef EXT_MOVE
+/* flag of ExtenArgCheck */
+#define EXT_XNSPOTLOCATION (1L<<0)
+
+/* macro for ExtenArgCheck */
+#define SET_EXT_XNSPOTLOCATION(flag) (flag |= EXT_XNSPOTLOCATION)
+#define IS_EXT_XNSPOTLOCATION(flag) (flag & EXT_XNSPOTLOCATION)
+
+/* length of XPoint attribute */
+#define XIM_Xpoint_length 12
+
+Private 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;
+}
+
+Public BITMASK32
+_XimExtenArgCheck(
+ XIMArg *arg)
+{
+ CARD32 flag = 0L;
+ if (!strcmp(arg->name, XNSpotLocation))
+ SET_EXT_XNSPOTLOCATION(flag);
+ return flag;
+}
+
+Public 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 */
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