Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 579 insertions, 0 deletions

diff --git a/nx-X11/lib/X11/imExten.c b/nx-X11/lib/X11/imExten.c
new file mode 100644
index 000000000..782d1c356
--- /dev/null
+++ b/nx-X11/lib/X11/imExten.c
@@ -0,0 +1,579 @@
+/* $Xorg: imExten.c,v 1.3 2000/08/17 19:45:12 cpqbld Exp $ */
+/******************************************************************
+
+           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
+
+******************************************************************/
+/* $XFree86: xc/lib/X11/imExten.c,v 1.4 2003/04/13 19:22:21 dawes Exp $ */
+
+#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;
+    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 */