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-rw-r--r--libX11/src/ModMap.c363
1 files changed, 181 insertions, 182 deletions
diff --git a/libX11/src/ModMap.c b/libX11/src/ModMap.c
index 28c2da5a4..149bcbd20 100644
--- a/libX11/src/ModMap.c
+++ b/libX11/src/ModMap.c
@@ -1,182 +1,181 @@
-/*
-
-Copyright 1986, 1998 The Open Group
-
-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.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
-
-*/
-
-#define NEED_REPLIES
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "Xlibint.h"
-
-XModifierKeymap *
-XGetModifierMapping(register Display *dpy)
-{
- xGetModifierMappingReply rep;
- register xReq *req;
- unsigned long nbytes;
- XModifierKeymap *res;
-
- LockDisplay(dpy);
- GetEmptyReq(GetModifierMapping, req);
- (void) _XReply (dpy, (xReply *)&rep, 0, xFalse);
-
- nbytes = (unsigned long)rep.length << 2;
- res = (XModifierKeymap *) Xmalloc(sizeof (XModifierKeymap));
- if (res) res->modifiermap = (KeyCode *) Xmalloc ((unsigned) nbytes);
- if ((! res) || (! res->modifiermap)) {
- if (res) Xfree((char *) res);
- res = (XModifierKeymap *) NULL;
- _XEatData(dpy, nbytes);
- } else {
- _XReadPad(dpy, (char *) res->modifiermap, (long) nbytes);
- res->max_keypermod = rep.numKeyPerModifier;
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
- return (res);
-}
-
-/*
- * Returns:
- * 0 Success
- * 1 Busy - one or more old or new modifiers are down
- * 2 Failed - one or more new modifiers unacceptable
- */
-int
-XSetModifierMapping(
- register Display *dpy,
- register XModifierKeymap *modifier_map)
-{
- register xSetModifierMappingReq *req;
- xSetModifierMappingReply rep;
- int mapSize = modifier_map->max_keypermod << 3; /* 8 modifiers */
-
- LockDisplay(dpy);
- GetReqExtra(SetModifierMapping, mapSize, req);
-
- req->numKeyPerModifier = modifier_map->max_keypermod;
-
- memcpy((char *) NEXTPTR(req,xSetModifierMappingReq),
- (char *) modifier_map->modifiermap,
- mapSize);
-
- (void) _XReply(dpy, (xReply *) & rep,
- (SIZEOF(xSetModifierMappingReply) - SIZEOF(xReply)) >> 2, xTrue);
- UnlockDisplay(dpy);
- SyncHandle();
- return (rep.success);
-}
-
-XModifierKeymap *
-XNewModifiermap(int keyspermodifier)
-{
- XModifierKeymap *res = (XModifierKeymap *) Xmalloc((sizeof (XModifierKeymap)));
- if (res) {
- res->max_keypermod = keyspermodifier;
- res->modifiermap = (keyspermodifier > 0 ?
- (KeyCode *) Xmalloc((unsigned) (8 * keyspermodifier))
- : (KeyCode *) NULL);
- if (keyspermodifier && (res->modifiermap == NULL)) {
- Xfree((char *) res);
- return (XModifierKeymap *) NULL;
- }
- }
- return (res);
-}
-
-
-int
-XFreeModifiermap(XModifierKeymap *map)
-{
- if (map) {
- if (map->modifiermap)
- Xfree((char *) map->modifiermap);
- Xfree((char *) map);
- }
- return 1;
-}
-
-XModifierKeymap *
-XInsertModifiermapEntry(XModifierKeymap *map,
-#if NeedWidePrototypes
- unsigned int keycode,
-#else
- KeyCode keycode,
-#endif
- int modifier)
-{
- XModifierKeymap *newmap;
- int i,
- row = modifier * map->max_keypermod,
- newrow,
- lastrow;
-
- for (i=0; i<map->max_keypermod; i++) {
- if (map->modifiermap[ row+i ] == keycode)
- return(map); /* already in the map */
- if (map->modifiermap[ row+i ] == 0) {
- map->modifiermap[ row+i ] = keycode;
- return(map); /* we added it without stretching the map */
- }
- }
-
- /* stretch the map */
- if ((newmap = XNewModifiermap(map->max_keypermod+1)) == NULL)
- return (XModifierKeymap *) NULL;
- newrow = row = 0;
- lastrow = newmap->max_keypermod * 8;
- while (newrow < lastrow) {
- for (i=0; i<map->max_keypermod; i++)
- newmap->modifiermap[ newrow+i ] = map->modifiermap[ row+i ];
- newmap->modifiermap[ newrow+i ] = 0;
- row += map->max_keypermod;
- newrow += newmap->max_keypermod;
- }
- (void) XFreeModifiermap(map);
- newrow = newmap->max_keypermod * modifier + newmap->max_keypermod - 1;
- newmap->modifiermap[ newrow ] = keycode;
- return(newmap);
-}
-
-XModifierKeymap *
-XDeleteModifiermapEntry(XModifierKeymap *map,
-#if NeedWidePrototypes
- unsigned int keycode,
-#else
- KeyCode keycode,
-#endif
- int modifier)
-{
- int i,
- row = modifier * map->max_keypermod;
-
- for (i=0; i<map->max_keypermod; i++) {
- if (map->modifiermap[ row+i ] == keycode)
- map->modifiermap[ row+i ] = 0;
- }
- /* should we shrink the map?? */
- return (map);
-}
+/*
+
+Copyright 1986, 1998 The Open Group
+
+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.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+
+XModifierKeymap *
+XGetModifierMapping(register Display *dpy)
+{
+ xGetModifierMappingReply rep;
+ register xReq *req;
+ unsigned long nbytes;
+ XModifierKeymap *res;
+
+ LockDisplay(dpy);
+ GetEmptyReq(GetModifierMapping, req);
+ (void) _XReply (dpy, (xReply *)&rep, 0, xFalse);
+
+ nbytes = (unsigned long)rep.length << 2;
+ res = (XModifierKeymap *) Xmalloc(sizeof (XModifierKeymap));
+ if (res) res->modifiermap = (KeyCode *) Xmalloc ((unsigned) nbytes);
+ if ((! res) || (! res->modifiermap)) {
+ if (res) Xfree((char *) res);
+ res = (XModifierKeymap *) NULL;
+ _XEatData(dpy, nbytes);
+ } else {
+ _XReadPad(dpy, (char *) res->modifiermap, (long) nbytes);
+ res->max_keypermod = rep.numKeyPerModifier;
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return (res);
+}
+
+/*
+ * Returns:
+ * 0 Success
+ * 1 Busy - one or more old or new modifiers are down
+ * 2 Failed - one or more new modifiers unacceptable
+ */
+int
+XSetModifierMapping(
+ register Display *dpy,
+ register XModifierKeymap *modifier_map)
+{
+ register xSetModifierMappingReq *req;
+ xSetModifierMappingReply rep;
+ int mapSize = modifier_map->max_keypermod << 3; /* 8 modifiers */
+
+ LockDisplay(dpy);
+ GetReqExtra(SetModifierMapping, mapSize, req);
+
+ req->numKeyPerModifier = modifier_map->max_keypermod;
+
+ memcpy((char *) NEXTPTR(req,xSetModifierMappingReq),
+ (char *) modifier_map->modifiermap,
+ mapSize);
+
+ (void) _XReply(dpy, (xReply *) & rep,
+ (SIZEOF(xSetModifierMappingReply) - SIZEOF(xReply)) >> 2, xTrue);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return (rep.success);
+}
+
+XModifierKeymap *
+XNewModifiermap(int keyspermodifier)
+{
+ XModifierKeymap *res = (XModifierKeymap *) Xmalloc((sizeof (XModifierKeymap)));
+ if (res) {
+ res->max_keypermod = keyspermodifier;
+ res->modifiermap = (keyspermodifier > 0 ?
+ (KeyCode *) Xmalloc((unsigned) (8 * keyspermodifier))
+ : (KeyCode *) NULL);
+ if (keyspermodifier && (res->modifiermap == NULL)) {
+ Xfree((char *) res);
+ return (XModifierKeymap *) NULL;
+ }
+ }
+ return (res);
+}
+
+
+int
+XFreeModifiermap(XModifierKeymap *map)
+{
+ if (map) {
+ if (map->modifiermap)
+ Xfree((char *) map->modifiermap);
+ Xfree((char *) map);
+ }
+ return 1;
+}
+
+XModifierKeymap *
+XInsertModifiermapEntry(XModifierKeymap *map,
+#if NeedWidePrototypes
+ unsigned int keycode,
+#else
+ KeyCode keycode,
+#endif
+ int modifier)
+{
+ XModifierKeymap *newmap;
+ int i,
+ row = modifier * map->max_keypermod,
+ newrow,
+ lastrow;
+
+ for (i=0; i<map->max_keypermod; i++) {
+ if (map->modifiermap[ row+i ] == keycode)
+ return(map); /* already in the map */
+ if (map->modifiermap[ row+i ] == 0) {
+ map->modifiermap[ row+i ] = keycode;
+ return(map); /* we added it without stretching the map */
+ }
+ }
+
+ /* stretch the map */
+ if ((newmap = XNewModifiermap(map->max_keypermod+1)) == NULL)
+ return (XModifierKeymap *) NULL;
+ newrow = row = 0;
+ lastrow = newmap->max_keypermod * 8;
+ while (newrow < lastrow) {
+ for (i=0; i<map->max_keypermod; i++)
+ newmap->modifiermap[ newrow+i ] = map->modifiermap[ row+i ];
+ newmap->modifiermap[ newrow+i ] = 0;
+ row += map->max_keypermod;
+ newrow += newmap->max_keypermod;
+ }
+ (void) XFreeModifiermap(map);
+ newrow = newmap->max_keypermod * modifier + newmap->max_keypermod - 1;
+ newmap->modifiermap[ newrow ] = keycode;
+ return(newmap);
+}
+
+XModifierKeymap *
+XDeleteModifiermapEntry(XModifierKeymap *map,
+#if NeedWidePrototypes
+ unsigned int keycode,
+#else
+ KeyCode keycode,
+#endif
+ int modifier)
+{
+ int i,
+ row = modifier * map->max_keypermod;
+
+ for (i=0; i<map->max_keypermod; i++) {
+ if (map->modifiermap[ row+i ] == keycode)
+ map->modifiermap[ row+i ] = 0;
+ }
+ /* should we shrink the map?? */
+ return (map);
+}
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