]> Pileus Git - ~andy/gtk/blobdiff - gdk/x11/gdkasync.c
Change FSF Address
[~andy/gtk] / gdk / x11 / gdkasync.c
index fc9e15d633fa322b6487b2a925803621219abc5d..04f78a95646f587a69cda7a7be594574bd33159c 100644 (file)
@@ -13,9 +13,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  */
 /* Portions of code in this file are based on code from Xlib
  */
@@ -43,20 +41,24 @@ used in advertising or otherwise to promote the sale, use or other dealings
 in this Software without prior written authorization from The Open Group.
 
 */
-#include <config.h>
+#include "config.h"
+
+#include "gdkasync.h"
+#include "gdkprivate-x11.h"
+
 #ifdef NEED_XIPROTO_H_FOR_XREPLY
 #include <X11/extensions/XIproto.h>
 #endif
+
 #include <X11/Xlibint.h>
-#include "gdkasync.h"
-#include "gdkx.h"
-#include "gdkalias.h"
+
 
 typedef struct _ChildInfoChildState ChildInfoChildState;
 typedef struct _ChildInfoState ChildInfoState;
 typedef struct _ListChildrenState ListChildrenState;
 typedef struct _SendEventState SendEventState;
 typedef struct _SetInputFocusState SetInputFocusState;
+typedef struct _RoundtripState RoundtripState;
 
 typedef enum {
   CHILD_INFO_GET_PROPERTY,
@@ -112,6 +114,28 @@ struct _SetInputFocusState
   gulong get_input_focus_req;
 };
 
+struct _RoundtripState
+{
+  Display *dpy;
+  _XAsyncHandler async;
+  gulong get_input_focus_req;
+  GdkDisplay *display;
+  GdkRoundTripCallback callback;
+  gpointer data;
+};
+
+static gboolean
+callback_idle (gpointer data)
+{
+  SendEventState *state = (SendEventState *)data;  
+  
+  state->callback (state->window, !state->have_error, state->data);
+
+  g_free (state);
+
+  return FALSE;
+}
+
 static Bool
 send_event_handler (Display *dpy,
                    xReply  *rep,
@@ -133,7 +157,7 @@ send_event_handler (Display *dpy,
   else if (dpy->last_request_read == state->get_input_focus_req)
     {
       xGetInputFocusReply replbuf;
-      xGetInputFocusReply *repl;
+      xGetInputFocusReply *repl G_GNUC_UNUSED;
       
       if (rep->generic.type != X_Error)
        {
@@ -147,7 +171,7 @@ send_event_handler (Display *dpy,
        }
 
       if (state->callback)
-       state->callback (state->window, !state->have_error, state->data);
+        gdk_threads_add_idle (callback_idle, state);
 
       DeqAsyncHandler(state->dpy, &state->async);
 
@@ -262,99 +286,6 @@ _gdk_x11_send_client_message_async (GdkDisplay           *display,
   SyncHandle();
 }
 
-static Bool
-set_input_focus_handler (Display *dpy,
-                        xReply  *rep,
-                        char    *buf,
-                        int      len,
-                        XPointer data)
-{
-  SetInputFocusState *state = (SetInputFocusState *)data;  
-
-  if (dpy->last_request_read == state->set_input_focus_req)
-    {
-      if (rep->generic.type == X_Error &&
-         rep->error.errorCode == BadMatch)
-       {
-         /* Consume BadMatch errors, since we have no control
-          * over them.
-          */
-         return True;
-       }
-    }
-  
-  if (dpy->last_request_read == state->get_input_focus_req)
-    {
-      xGetInputFocusReply replbuf;
-      xGetInputFocusReply *repl;
-      
-      if (rep->generic.type != X_Error)
-       {
-         /* Actually does nothing, since there are no additional bytes
-          * to read, but maintain good form.
-          */
-         repl = (xGetInputFocusReply *)
-           _XGetAsyncReply(dpy, (char *)&replbuf, rep, buf, len,
-                           (sizeof(xGetInputFocusReply) - sizeof(xReply)) >> 2,
-                           True);
-       }
-
-      DeqAsyncHandler(state->dpy, &state->async);
-
-      g_free (state);
-      
-      return (rep->generic.type != X_Error);
-    }
-
-  return False;
-}
-
-void
-_gdk_x11_set_input_focus_safe (GdkDisplay             *display,
-                              Window                  window,
-                              int                     revert_to,
-                              Time                    time)
-{
-  Display *dpy;
-  SetInputFocusState *state;
-  
-  dpy = GDK_DISPLAY_XDISPLAY (display);
-
-  state = g_new (SetInputFocusState, 1);
-
-  state->dpy = dpy;
-  
-  LockDisplay(dpy);
-
-  state->async.next = dpy->async_handlers;
-  state->async.handler = set_input_focus_handler;
-  state->async.data = (XPointer) state;
-  dpy->async_handlers = &state->async;
-
-  {
-    xSetInputFocusReq *req;
-    
-    GetReq(SetInputFocus, req);
-    req->focus = window;
-    req->revertTo = revert_to;
-    req->time = time;
-    state->set_input_focus_req = dpy->request;
-  }
-
-  /*
-   * XSync (dpy, 0)
-   */
-  {
-    xReq *req;
-    
-    GetEmptyReq(GetInputFocus, req);
-    state->get_input_focus_req = dpy->request;
-  }
-  
-  UnlockDisplay(dpy);
-  SyncHandle();
-}
-
 static Bool
 list_children_handler (Display *dpy,
                       xReply  *rep,
@@ -624,19 +555,26 @@ _gdk_x11_get_window_child_info (GdkDisplay       *display,
   else
     wm_state_atom = None;
 
-  gdk_error_trap_push ();
+  state.children = NULL;
+  state.nchildren = 0;
+
+  gdk_x11_display_error_trap_push (display);
   result = list_children_and_wm_state (dpy, window,
                                       win_has_wm_state ? wm_state_atom : None,
                                       &has_wm_state,
                                       &state.children, &state.nchildren);
-  gdk_error_trap_pop ();
+  gdk_x11_display_error_trap_pop_ignored (display);
   if (!result)
-    return FALSE;
+    {
+      g_free (state.children);
+      return FALSE;
+    }
 
   if (has_wm_state)
     {
       if (win_has_wm_state)
        *win_has_wm_state = TRUE;
+      g_free (state.children);
       return TRUE;
     }
   else
@@ -724,5 +662,89 @@ _gdk_x11_get_window_child_info (GdkDisplay       *display,
   return !state.have_error;
 }
 
-#define __GDK_ASYNC_C__
-#include "gdkaliasdef.c"
+static gboolean
+roundtrip_callback_idle (gpointer data)
+{
+  RoundtripState *state = (RoundtripState *)data;  
+  
+  state->callback (state->display, state->data, state->get_input_focus_req);
+
+  g_free (state);
+
+  return FALSE;
+}
+
+static Bool
+roundtrip_handler (Display *dpy,
+                  xReply  *rep,
+                  char    *buf,
+                  int      len,
+                  XPointer data)
+{
+  RoundtripState *state = (RoundtripState *)data;  
+  
+  if (dpy->last_request_read == state->get_input_focus_req)
+    {
+      xGetInputFocusReply replbuf;
+      xGetInputFocusReply *repl G_GNUC_UNUSED;
+      
+      if (rep->generic.type != X_Error)
+       {
+         /* Actually does nothing, since there are no additional bytes
+          * to read, but maintain good form.
+          */
+         repl = (xGetInputFocusReply *)
+           _XGetAsyncReply(dpy, (char *)&replbuf, rep, buf, len,
+                           (sizeof(xGetInputFocusReply) - sizeof(xReply)) >> 2,
+                           True);
+       }
+
+      
+      if (state->callback)
+        gdk_threads_add_idle (roundtrip_callback_idle, state);
+
+      DeqAsyncHandler(state->dpy, &state->async);
+
+      return (rep->generic.type != X_Error);
+    }
+
+  return False;
+}
+
+void
+_gdk_x11_roundtrip_async (GdkDisplay           *display, 
+                         GdkRoundTripCallback callback,
+                         gpointer              data)
+{
+  Display *dpy;
+  RoundtripState *state;
+  
+  dpy = GDK_DISPLAY_XDISPLAY (display);
+
+  state = g_new (RoundtripState, 1);
+
+  state->display = display;
+  state->dpy = dpy;
+  state->callback = callback;
+  state->data = data;
+  
+  LockDisplay(dpy);
+
+  state->async.next = dpy->async_handlers;
+  state->async.handler = roundtrip_handler;
+  state->async.data = (XPointer) state;
+  dpy->async_handlers = &state->async;
+
+  /*
+   * XSync (dpy, 0)
+   */
+  {
+    xReq *req;
+    
+    GetEmptyReq(GetInputFocus, req);
+    state->get_input_focus_req = dpy->request;
+  }
+  
+  UnlockDisplay(dpy);
+  SyncHandle();
+}