Add gdk_set_pointer_hooks() to allow pointer-querying to be hooked by an

Mon Jul  2 01:09:37 2001  Owen Taylor  <otaylor@redhat.com>

 	* gdk/gdkwindow.[ch] gdk/gdkinternals.h gdk/x11/gdkwindow-x11.c
 	gdk/linux-fb/gdkwindow-fb.c gdk/x11/gdkwindow-x11.c gdk/gdk:
 	Add gdk_set_pointer_hooks() to allow pointer-querying to
 	be hooked by an event record/playback system like GERD.
	(#56914)

13 files changed, 148 insertions, 19 deletions

diff --git a/ChangeLog b/ChangeLog
index c91442e8e..7598feba5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+Mon Jul  2 01:09:37 2001  Owen Taylor  <otaylor@redhat.com>
+ 
+ 	* gdk/gdkwindow.[ch] gdk/gdkinternals.h gdk/x11/gdkwindow-x11.c
+ 	gdk/linux-fb/gdkwindow-fb.c gdk/x11/gdkwindow-x11.c gdk/gdk:
+ 	Add gdk_set_pointer_hooks() to allow pointer-querying to
+ 	be hooked by an event record/playback system like GERD.
+	(#56914)
+ 	
 Thu Jul  5 08:57:07 2001  Owen Taylor  <otaylor@redhat.com>
 
 	* gtk/gtkwidget.c (gtk_widget_reset_rc_style): Pass
diff --git a/ChangeLog.pre-2-0 b/ChangeLog.pre-2-0
index c91442e8e..7598feba5 100644
--- a/ChangeLog.pre-2-0
+++ b/ChangeLog.pre-2-0
@@ -1,3 +1,11 @@
+Mon Jul  2 01:09:37 2001  Owen Taylor  <otaylor@redhat.com>
+ 
+ 	* gdk/gdkwindow.[ch] gdk/gdkinternals.h gdk/x11/gdkwindow-x11.c
+ 	gdk/linux-fb/gdkwindow-fb.c gdk/x11/gdkwindow-x11.c gdk/gdk:
+ 	Add gdk_set_pointer_hooks() to allow pointer-querying to
+ 	be hooked by an event record/playback system like GERD.
+	(#56914)
+ 	
 Thu Jul  5 08:57:07 2001  Owen Taylor  <otaylor@redhat.com>
 
 	* gtk/gtkwidget.c (gtk_widget_reset_rc_style): Pass
diff --git a/ChangeLog.pre-2-10 b/ChangeLog.pre-2-10
index c91442e8e..7598feba5 100644
--- a/ChangeLog.pre-2-10
+++ b/ChangeLog.pre-2-10
@@ -1,3 +1,11 @@
+Mon Jul  2 01:09:37 2001  Owen Taylor  <otaylor@redhat.com>
+ 
+ 	* gdk/gdkwindow.[ch] gdk/gdkinternals.h gdk/x11/gdkwindow-x11.c
+ 	gdk/linux-fb/gdkwindow-fb.c gdk/x11/gdkwindow-x11.c gdk/gdk:
+ 	Add gdk_set_pointer_hooks() to allow pointer-querying to
+ 	be hooked by an event record/playback system like GERD.
+	(#56914)
+ 	
 Thu Jul  5 08:57:07 2001  Owen Taylor  <otaylor@redhat.com>
 
 	* gtk/gtkwidget.c (gtk_widget_reset_rc_style): Pass
diff --git a/ChangeLog.pre-2-2 b/ChangeLog.pre-2-2
index c91442e8e..7598feba5 100644
--- a/ChangeLog.pre-2-2
+++ b/ChangeLog.pre-2-2
@@ -1,3 +1,11 @@
+Mon Jul  2 01:09:37 2001  Owen Taylor  <otaylor@redhat.com>
+ 
+ 	* gdk/gdkwindow.[ch] gdk/gdkinternals.h gdk/x11/gdkwindow-x11.c
+ 	gdk/linux-fb/gdkwindow-fb.c gdk/x11/gdkwindow-x11.c gdk/gdk:
+ 	Add gdk_set_pointer_hooks() to allow pointer-querying to
+ 	be hooked by an event record/playback system like GERD.
+	(#56914)
+ 	
 Thu Jul  5 08:57:07 2001  Owen Taylor  <otaylor@redhat.com>
 
 	* gtk/gtkwidget.c (gtk_widget_reset_rc_style): Pass
diff --git a/ChangeLog.pre-2-4 b/ChangeLog.pre-2-4
index c91442e8e..7598feba5 100644
--- a/ChangeLog.pre-2-4
+++ b/ChangeLog.pre-2-4
@@ -1,3 +1,11 @@
+Mon Jul  2 01:09:37 2001  Owen Taylor  <otaylor@redhat.com>
+ 
+ 	* gdk/gdkwindow.[ch] gdk/gdkinternals.h gdk/x11/gdkwindow-x11.c
+ 	gdk/linux-fb/gdkwindow-fb.c gdk/x11/gdkwindow-x11.c gdk/gdk:
+ 	Add gdk_set_pointer_hooks() to allow pointer-querying to
+ 	be hooked by an event record/playback system like GERD.
+	(#56914)
+ 	
 Thu Jul  5 08:57:07 2001  Owen Taylor  <otaylor@redhat.com>
 
 	* gtk/gtkwidget.c (gtk_widget_reset_rc_style): Pass
diff --git a/ChangeLog.pre-2-6 b/ChangeLog.pre-2-6
index c91442e8e..7598feba5 100644
--- a/ChangeLog.pre-2-6
+++ b/ChangeLog.pre-2-6
@@ -1,3 +1,11 @@
+Mon Jul  2 01:09:37 2001  Owen Taylor  <otaylor@redhat.com>
+ 
+ 	* gdk/gdkwindow.[ch] gdk/gdkinternals.h gdk/x11/gdkwindow-x11.c
+ 	gdk/linux-fb/gdkwindow-fb.c gdk/x11/gdkwindow-x11.c gdk/gdk:
+ 	Add gdk_set_pointer_hooks() to allow pointer-querying to
+ 	be hooked by an event record/playback system like GERD.
+	(#56914)
+ 	
 Thu Jul  5 08:57:07 2001  Owen Taylor  <otaylor@redhat.com>
 
 	* gtk/gtkwidget.c (gtk_widget_reset_rc_style): Pass
diff --git a/ChangeLog.pre-2-8 b/ChangeLog.pre-2-8
index c91442e8e..7598feba5 100644
--- a/ChangeLog.pre-2-8
+++ b/ChangeLog.pre-2-8
@@ -1,3 +1,11 @@
+Mon Jul  2 01:09:37 2001  Owen Taylor  <otaylor@redhat.com>
+ 
+ 	* gdk/gdkwindow.[ch] gdk/gdkinternals.h gdk/x11/gdkwindow-x11.c
+ 	gdk/linux-fb/gdkwindow-fb.c gdk/x11/gdkwindow-x11.c gdk/gdk:
+ 	Add gdk_set_pointer_hooks() to allow pointer-querying to
+ 	be hooked by an event record/playback system like GERD.
+	(#56914)
+ 	
 Thu Jul  5 08:57:07 2001  Owen Taylor  <otaylor@redhat.com>
 
 	* gtk/gtkwidget.c (gtk_widget_reset_rc_style): Pass
diff --git a/gdk/gdkinternals.h b/gdk/gdkinternals.h
index fbcf34658..e90758e06 100644
--- a/gdk/gdkinternals.h
+++ b/gdk/gdkinternals.h
@@ -159,6 +159,13 @@ void     _gdk_windowing_window_clear_area_e     (GdkWindow  *window,
 						 gint        width,
 						 gint        height);
 
+GdkWindow* _gdk_windowing_window_at_pointer  (gint            *win_x,
+					      gint            *win_y);
+GdkWindow* _gdk_windowing_window_get_pointer (GdkWindow       *window,
+					      gint            *x,
+					      gint            *y,
+					      GdkModifierType *mask);
+
 #define GDK_WINDOW_IS_MAPPED(window) ((((GdkWindowObject*)window)->state & GDK_WINDOW_STATE_WITHDRAWN) == 0)
 
 /* Called before processing updates for a window. This gives the windowing
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 81c919bab..59183b204 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -42,6 +42,14 @@ struct _GdkWindowPaint
   gint x_offset;
   gint y_offset;
 };
+
+static const GdkPointerHooks default_pointer_hooks = {
+  _gdk_windowing_window_get_pointer,
+  _gdk_windowing_window_at_pointer
+};
+
+const GdkPointerHooks *current_pointer_hooks = &default_pointer_hooks;
+
 static GdkGC *gdk_window_create_gc      (GdkDrawable     *drawable,
                                          GdkGCValues     *values,
                                          GdkGCValuesMask  mask);
@@ -2279,3 +2287,48 @@ gdk_window_constrain_size (GdkGeometry *geometry,
   *new_width = width;
   *new_height = height;
 }
+
+/**
+ * gdk_set_pointer_hooks:
+ * @new_hooks: a table of pointer to functions for getting
+ *   quantities related to the current pointer position,
+ *   or %NULL to restore the default table.
+ * 
+ * This function allows for hooking into the operation
+ * of getting the current location of the pointer. This
+ * is only useful for such low-level tools as an
+ * event recorder. Applications should never have any
+ * reason to use this facility
+ * 
+ * Return value: the previous pointer hook table
+ **/
+GdkPointerHooks *
+gdk_set_pointer_hooks (const GdkPointerHooks *new_hooks)
+{
+  const GdkPointerHooks *result = current_pointer_hooks;
+
+  if (new_hooks)
+    current_pointer_hooks = new_hooks;
+  else
+    current_pointer_hooks = &default_pointer_hooks;
+
+  return (GdkPointerHooks *)result;
+}
+
+GdkWindow*
+gdk_window_get_pointer (GdkWindow	  *window,
+			gint		  *x,
+			gint		  *y,
+			GdkModifierType *mask)
+{
+  g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
+  
+  return current_pointer_hooks->get_pointer (window, x, y, mask); 
+}
+
+GdkWindow*
+gdk_window_at_pointer (gint *win_x,
+		       gint *win_y)
+{
+  return current_pointer_hooks->window_at_pointer (win_x, win_y);
+}
diff --git a/gdk/gdkwindow.h b/gdk/gdkwindow.h
index d13c5acb0..6ea64594a 100644
--- a/gdk/gdkwindow.h
+++ b/gdk/gdkwindow.h
@@ -12,6 +12,7 @@ extern "C" {
 
 typedef struct _GdkGeometry           GdkGeometry;
 typedef struct _GdkWindowAttr	      GdkWindowAttr;
+typedef struct _GdkPointerHooks	      GdkPointerHooks;
 
 /* Classes of windows.
  *   InputOutput: Almost every window should be of this type. Such windows
@@ -195,6 +196,16 @@ struct _GdkGeometry
   GdkGravity win_gravity;
 };
 
+struct _GdkPointerHooks 
+{
+  GdkWindow* (*get_pointer)       (GdkWindow	   *window,
+			           gint	           *x,
+			           gint   	   *y,
+			           GdkModifierType *mask);
+  GdkWindow* (*window_at_pointer) (gint            *win_x,
+                                   gint            *win_y);
+};
+
 typedef struct _GdkWindowObject GdkWindowObject;
 typedef struct _GdkWindowObjectClass GdkWindowObjectClass;
 
@@ -496,6 +507,8 @@ void       gdk_window_constrain_size      (GdkGeometry  *geometry,
                                            gint         *new_width,
                                            gint         *new_height);
 
+GdkPointerHooks *gdk_set_pointer_hooks (const GdkPointerHooks *new_hooks);   
+
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */
diff --git a/gdk/linux-fb/gdkwindow-fb.c b/gdk/linux-fb/gdkwindow-fb.c
index e5d415475..62054129b 100644
--- a/gdk/linux-fb/gdkwindow-fb.c
+++ b/gdk/linux-fb/gdkwindow-fb.c
@@ -1602,10 +1602,10 @@ gdk_window_fb_get_visible_region (GdkDrawable *drawable)
 }
 
 GdkWindow *
-gdk_window_get_pointer (GdkWindow       *window,
-			gint            *x,
-			gint            *y,
-			GdkModifierType *mask)
+_gdk_windowing_window_get_pointer (GdkWindow       *window,
+				   gint            *x,
+				   gint            *y,
+				   GdkModifierType *mask)
 {
   GdkWindow *return_val;
   int winx = 0;
@@ -1686,8 +1686,8 @@ gdk_window_get_pointer (GdkWindow       *window,
 }
 
 GdkWindow*
-gdk_window_at_pointer (gint *win_x,
-		       gint *win_y)
+_gdk_windowing_window_at_pointer (gint *win_x,
+				  gint *win_y)
 {
   gint rx, ry;
   GdkWindow *retval = gdk_window_get_pointer (NULL, win_x, win_y, NULL);
diff --git a/gdk/win32/gdkwindow-win32.c b/gdk/win32/gdkwindow-win32.c
index 449418cd5..c6205b835 100644
--- a/gdk/win32/gdkwindow-win32.c
+++ b/gdk/win32/gdkwindow-win32.c
@@ -1739,10 +1739,10 @@ gdk_window_get_frame_extents (GdkWindow    *window,
 }
 
 GdkWindow*
-gdk_window_get_pointer (GdkWindow       *window,
-			gint            *x,
-			gint            *y,
-			GdkModifierType *mask)
+_gdk_windowing_window_get_pointer (GdkWindow       *window,
+				   gint            *x,
+				   gint            *y,
+				   GdkModifierType *mask)
 {
   GdkWindow *return_val;
   POINT pointc, point;
@@ -1801,8 +1801,8 @@ gdk_window_get_pointer (GdkWindow       *window,
 }
 
 GdkWindow*
-gdk_window_at_pointer (gint *win_x,
-		       gint *win_y)
+_gdk_windowing_window_at_pointer (gint *win_x,
+				  gint *win_y)
 {
   GdkWindow *window;
   POINT point, pointc;
@@ -2505,4 +2505,4 @@ gdk_window_begin_move_drag (GdkWindow *window,
     return;
 
   /* XXX: isn't all this default on win32 ... */  
-}
\ No newline at end of file
+}
diff --git a/gdk/x11/gdkwindow-x11.c b/gdk/x11/gdkwindow-x11.c
index 9f8aebaa9..450644e9a 100644
--- a/gdk/x11/gdkwindow-x11.c
+++ b/gdk/x11/gdkwindow-x11.c
@@ -1976,10 +1976,10 @@ gdk_window_get_frame_extents (GdkWindow    *window,
 }
 
 GdkWindow*
-gdk_window_get_pointer (GdkWindow       *window,
-			gint            *x,
-			gint            *y,
-			GdkModifierType *mask)
+_gdk_windowing_window_get_pointer (GdkWindow       *window,
+				   gint            *x,
+				   gint            *y,
+				   GdkModifierType *mask)
 {
   GdkWindow *return_val;
   Window root;
@@ -2018,8 +2018,8 @@ gdk_window_get_pointer (GdkWindow       *window,
 }
 
 GdkWindow*
-gdk_window_at_pointer (gint *win_x,
-		       gint *win_y)
+_gdk_windowing_window_at_pointer (gint *win_x,
+				  gint *win_y)
 {
   GdkWindow *window;
   Window root;