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-rw-r--r--libXt/src/Hooks.c310
1 files changed, 155 insertions, 155 deletions
diff --git a/libXt/src/Hooks.c b/libXt/src/Hooks.c
index a314b716e..bf26a13e0 100644
--- a/libXt/src/Hooks.c
+++ b/libXt/src/Hooks.c
@@ -1,155 +1,155 @@
-/*
-
-Copyright 1994, 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.
-
-*/
-
-/*LINTLIBRARY*/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "IntrinsicI.h"
-#include "CreateI.h"
-
-static void FreeBlockHookList(
- Widget widget, /* unused (and invalid) */
- XtPointer closure, /* ActionHook* */
- XtPointer call_data) /* unused */
-{
- BlockHook list = *(BlockHook*)closure;
- while (list != NULL) {
- BlockHook next = list->next;
- XtFree( (XtPointer)list );
- list = next;
- }
-}
-
-
-XtBlockHookId XtAppAddBlockHook(
- XtAppContext app,
- XtBlockHookProc proc,
- XtPointer closure)
-{
- BlockHook hook = XtNew(BlockHookRec);
- LOCK_APP(app);
- hook->next = app->block_hook_list;
- hook->app = app;
- hook->proc = proc;
- hook->closure = closure;
- if (app->block_hook_list == NULL) {
- _XtAddCallback( &app->destroy_callbacks,
- FreeBlockHookList,
- (XtPointer)&app->block_hook_list
- );
- }
- app->block_hook_list = hook;
- UNLOCK_APP(app);
- return (XtBlockHookId)hook;
-}
-
-
-void XtRemoveBlockHook(
- XtBlockHookId id)
-{
- BlockHook *p, hook = (BlockHook)id;
- XtAppContext app = hook->app;
- LOCK_APP(app);
- for (p = &app->block_hook_list; p != NULL && *p != hook; p = &(*p)->next);
- if (p == NULL) {
-#ifdef DEBUG
- XtAppWarningMsg(app, "badId", "xtRemoveBlockHook", XtCXtToolkitError,
- "XtRemoveBlockHook called with bad or old hook id",
- (String*)NULL, (Cardinal*)NULL);
-#endif /*DEBUG*/
- UNLOCK_APP(app);
- return;
- }
- *p = hook->next;
- XtFree( (XtPointer)hook );
- UNLOCK_APP(app);
-}
-
-static void DeleteShellFromHookObj(
- Widget shell,
- XtPointer closure,
- XtPointer call_data)
-{
- /* app_con is locked when this function is called */
- Cardinal ii, jj;
- HookObject ho = (HookObject) closure;
-
- for (ii = 0; ii < ho->hooks.num_shells; ii++)
- if (ho->hooks.shells[ii] == shell) {
- /* collapse the list */
- for (jj = ii; jj < ho->hooks.num_shells; jj++) {
- if ((jj+1) < ho->hooks.num_shells)
- ho->hooks.shells[jj] = ho->hooks.shells[jj+1];
- }
- break;
- }
- ho->hooks.num_shells--;
-}
-
-#define SHELL_INCR 4
-
-void _XtAddShellToHookObj(
- Widget shell)
-{
- /* app_con is locked when this function is called */
- HookObject ho = (HookObject) XtHooksOfDisplay(XtDisplay(shell));
-
- if (ho->hooks.num_shells == ho->hooks.max_shells) {
- ho->hooks.max_shells += SHELL_INCR;
- ho->hooks.shells =
- (WidgetList)XtRealloc((char*)ho->hooks.shells,
- ho->hooks.max_shells * sizeof (Widget));
- }
- ho->hooks.shells[ho->hooks.num_shells++] = shell;
-
- XtAddCallback(shell, XtNdestroyCallback, DeleteShellFromHookObj,
- (XtPointer)ho);
-}
-
-Boolean _XtIsHookObject(
- Widget widget)
-{
- return (widget->core.widget_class == hookObjectClass);
-}
-
-Widget XtHooksOfDisplay(
- Display* dpy)
-{
- Widget retval;
- XtPerDisplay pd;
- DPY_TO_APPCON(dpy);
-
- LOCK_APP(app);
- pd = _XtGetPerDisplay(dpy);
- if (pd->hook_object == NULL)
- pd->hook_object =
- _XtCreateHookObj((Screen*)DefaultScreenOfDisplay(dpy));
- retval = pd->hook_object;
- UNLOCK_APP(app);
- return retval;
-}
+/*
+
+Copyright 1994, 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.
+
+*/
+
+/*LINTLIBRARY*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "IntrinsicI.h"
+#include "CreateI.h"
+
+static void FreeBlockHookList(
+ Widget widget, /* unused (and invalid) */
+ XtPointer closure, /* ActionHook* */
+ XtPointer call_data) /* unused */
+{
+ BlockHook list = *(BlockHook*)closure;
+ while (list != NULL) {
+ BlockHook next = list->next;
+ XtFree( (XtPointer)list );
+ list = next;
+ }
+}
+
+
+XtBlockHookId XtAppAddBlockHook(
+ XtAppContext app,
+ XtBlockHookProc proc,
+ XtPointer closure)
+{
+ BlockHook hook = XtNew(BlockHookRec);
+ LOCK_APP(app);
+ hook->next = app->block_hook_list;
+ hook->app = app;
+ hook->proc = proc;
+ hook->closure = closure;
+ if (app->block_hook_list == NULL) {
+ _XtAddCallback( &app->destroy_callbacks,
+ FreeBlockHookList,
+ (XtPointer)&app->block_hook_list
+ );
+ }
+ app->block_hook_list = hook;
+ UNLOCK_APP(app);
+ return (XtBlockHookId)hook;
+}
+
+
+void XtRemoveBlockHook(
+ XtBlockHookId id)
+{
+ BlockHook *p, hook = (BlockHook)id;
+ XtAppContext app = hook->app;
+ LOCK_APP(app);
+ for (p = &app->block_hook_list; p != NULL && *p != hook; p = &(*p)->next);
+ if (p == NULL) {
+#ifdef DEBUG
+ XtAppWarningMsg(app, "badId", "xtRemoveBlockHook", XtCXtToolkitError,
+ "XtRemoveBlockHook called with bad or old hook id",
+ (String*)NULL, (Cardinal*)NULL);
+#endif /*DEBUG*/
+ UNLOCK_APP(app);
+ return;
+ }
+ *p = hook->next;
+ XtFree( (XtPointer)hook );
+ UNLOCK_APP(app);
+}
+
+static void DeleteShellFromHookObj(
+ Widget shell,
+ XtPointer closure,
+ XtPointer call_data)
+{
+ /* app_con is locked when this function is called */
+ Cardinal ii, jj;
+ HookObject ho = (HookObject) closure;
+
+ for (ii = 0; ii < ho->hooks.num_shells; ii++)
+ if (ho->hooks.shells[ii] == shell) {
+ /* collapse the list */
+ for (jj = ii; jj < ho->hooks.num_shells; jj++) {
+ if ((jj+1) < ho->hooks.num_shells)
+ ho->hooks.shells[jj] = ho->hooks.shells[jj+1];
+ }
+ break;
+ }
+ ho->hooks.num_shells--;
+}
+
+#define SHELL_INCR 4
+
+void _XtAddShellToHookObj(
+ Widget shell)
+{
+ /* app_con is locked when this function is called */
+ HookObject ho = (HookObject) XtHooksOfDisplay(XtDisplay(shell));
+
+ if (ho->hooks.num_shells == ho->hooks.max_shells) {
+ ho->hooks.max_shells += SHELL_INCR;
+ ho->hooks.shells =
+ (WidgetList)XtRealloc((char*)ho->hooks.shells,
+ ho->hooks.max_shells * sizeof (Widget));
+ }
+ ho->hooks.shells[ho->hooks.num_shells++] = shell;
+
+ XtAddCallback(shell, XtNdestroyCallback, DeleteShellFromHookObj,
+ (XtPointer)ho);
+}
+
+Boolean _XtIsHookObject(
+ Widget widget)
+{
+ return (widget->core.widget_class == hookObjectClass);
+}
+
+Widget XtHooksOfDisplay(
+ Display* dpy)
+{
+ Widget retval;
+ XtPerDisplay pd;
+ DPY_TO_APPCON(dpy);
+
+ LOCK_APP(app);
+ pd = _XtGetPerDisplay(dpy);
+ if (pd->hook_object == NULL)
+ pd->hook_object =
+ _XtCreateHookObj((Screen*)DefaultScreenOfDisplay(dpy));
+ retval = pd->hook_object;
+ UNLOCK_APP(app);
+ return retval;
+}
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