Fix the check for no changes to position and size.

[~andy/gtk] / gdk / gdkcursor.c

diff --git a/gdk/gdkcursor.c b/gdk/gdkcursor.c
index 83b95aa6c7da888ebddf248e8751658d5f1b9a03..23cb9525769e7a4d614ce2994af2c96d108e3808 100644 (file)
--- a/gdk/gdkcursor.c
+++ b/gdk/gdkcursor.c
@@ -2,82 +2,102 @@
  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
  *
  * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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.
  */
-#include <X11/Xlib.h>
-#include <X11/cursorfont.h>
-#include "gdk.h"
-#include "gdkprivate.h"
 
+/*
+ * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
+ * file for a list of people on the GTK+ Team.  See the ChangeLog
+ * files for a list of changes.  These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
+ */
 
-GdkCursor*
-gdk_cursor_new (GdkCursorType cursor_type)
-{
-  GdkCursorPrivate *private;
-  GdkCursor *cursor;
-  Cursor xcursor;
-
-  xcursor = XCreateFontCursor (gdk_display, cursor_type);
-  private = g_new (GdkCursorPrivate, 1);
-  private->xdisplay = gdk_display;
-  private->xcursor = xcursor;
-  cursor = (GdkCursor*) private;
-  cursor->type = cursor_type;
+#include <config.h>
+#include "gdkcursor.h"
+#include "gdkdisplay.h"
+#include "gdkinternals.h"
+#include "gdkalias.h"
 
-  return cursor;
+GType
+gdk_cursor_get_type (void)
+{
+  static GType our_type = 0;
+  
+  if (our_type == 0)
+    our_type = g_boxed_type_register_static (g_intern_static_string ("GdkCursor"),
+                                            (GBoxedCopyFunc)gdk_cursor_ref,
+                                            (GBoxedFreeFunc)gdk_cursor_unref);
+  return our_type;
 }
 
+/**
+ * gdk_cursor_ref:
+ * @cursor: a #GdkCursor
+ * 
+ * Adds a reference to @cursor.
+ * 
+ * Return value: Same @cursor that was passed in
+ **/
 GdkCursor*
-gdk_cursor_new_from_pixmap (GdkPixmap *source, GdkPixmap *mask, GdkColor *fg, GdkColor *bg, gint x, gint y)
+gdk_cursor_ref (GdkCursor *cursor)
 {
-  GdkCursorPrivate *private;
-  GdkCursor *cursor;
-  Pixmap source_pixmap, mask_pixmap;
-  Cursor xcursor;
-  XColor xfg, xbg;
-  
-  source_pixmap = ((GdkPixmapPrivate *) source)->xwindow;
-  mask_pixmap   = ((GdkPixmapPrivate *) mask)->xwindow;
+  g_return_val_if_fail (cursor != NULL, NULL);
+  g_return_val_if_fail (cursor->ref_count > 0, NULL);
 
-  xfg.pixel = fg->pixel;
-  xfg.red = fg->red;
-  xfg.blue = fg->blue;
-  xfg.green = fg->green;
-  xbg.pixel = bg->pixel;
-  xbg.red = bg->red;
-  xbg.blue = bg->blue;
-  xbg.green = bg->green;
-  
-  xcursor = XCreatePixmapCursor (gdk_display, source_pixmap, mask_pixmap, &xfg, &xbg, x, y);
-  private = g_new (GdkCursorPrivate, 1);
-  private->xdisplay = gdk_display;
-  private->xcursor = xcursor;
-  cursor = (GdkCursor *) private;
-  cursor->type = GDK_CURSOR_IS_PIXMAP;
+  cursor->ref_count += 1;
 
   return cursor;
 }
 
+/**
+ * gdk_cursor_unref:
+ * @cursor: a #GdkCursor
+ *
+ * Removes a reference from @cursor, deallocating the cursor
+ * if no references remain.
+ * 
+ **/
 void
-gdk_cursor_destroy (GdkCursor *cursor)
+gdk_cursor_unref (GdkCursor *cursor)
 {
-  GdkCursorPrivate *private;
-
   g_return_if_fail (cursor != NULL);
+  g_return_if_fail (cursor->ref_count > 0);
 
-  private = (GdkCursorPrivate *) cursor;
-  XFreeCursor (private->xdisplay, private->xcursor);
+  cursor->ref_count -= 1;
 
-  g_free (private);
+  if (cursor->ref_count == 0)
+    _gdk_cursor_destroy (cursor);
 }
+
+/**
+ * gdk_cursor_new:
+ * @cursor_type: cursor to create
+ * 
+ * Creates a new cursor from the set of builtin cursors for the default display.
+ * See gdk_cursor_new_for_display().
+ *
+ * To make the cursor invisible, use gdk_cursor_new_from_pixmap() to create
+ * a cursor with no pixels in it.
+ * 
+ * Return value: a new #GdkCursor
+ **/
+GdkCursor*
+gdk_cursor_new (GdkCursorType cursor_type)
+{
+  return gdk_cursor_new_for_display (gdk_display_get_default(), cursor_type);
+}
+
+#define __GDK_CURSOR_C__
+#include "gdkaliasdef.c"