forked from AuroraMiddleware/gtk
b2113b7384
We need this to be able to handle scaled cursor images. We implement the new _from_pixbuf by converting to a surface and assuming the scale was 1.
188 lines
4.6 KiB
C
188 lines
4.6 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "config.h"
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/* needs to be first because any header might include gdk-pixbuf.h otherwise */
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#define GDK_PIXBUF_ENABLE_BACKEND
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include "gdkcursor.h"
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#include "gdkcursorprivate.h"
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#include "gdkprivate-broadway.h"
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#include "gdkdisplay-broadway.h"
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#include <string.h>
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#include <errno.h>
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struct _GdkBroadwayCursor
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{
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GdkCursor cursor;
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};
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struct _GdkBroadwayCursorClass
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{
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GdkCursorClass cursor_class;
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};
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/*** GdkBroadwayCursor ***/
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G_DEFINE_TYPE (GdkBroadwayCursor, gdk_broadway_cursor, GDK_TYPE_CURSOR)
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static cairo_surface_t * gdk_broadway_cursor_get_surface (GdkCursor *cursor,
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gdouble *x_hot,
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gdouble *y_hot);
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static void
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gdk_broadway_cursor_finalize (GObject *object)
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{
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G_OBJECT_CLASS (gdk_broadway_cursor_parent_class)->finalize (object);
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}
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static void
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gdk_broadway_cursor_class_init (GdkBroadwayCursorClass *xcursor_class)
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{
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GdkCursorClass *cursor_class = GDK_CURSOR_CLASS (xcursor_class);
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GObjectClass *object_class = G_OBJECT_CLASS (xcursor_class);
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object_class->finalize = gdk_broadway_cursor_finalize;
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cursor_class->get_surface = gdk_broadway_cursor_get_surface;
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}
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static void
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gdk_broadway_cursor_init (GdkBroadwayCursor *cursor)
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{
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}
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/* Called by gdk_display_broadway_finalize to flush any cached cursors
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* for a dead display.
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*/
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void
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_gdk_broadway_cursor_display_finalize (GdkDisplay *display)
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{
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}
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GdkCursor*
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_gdk_broadway_display_get_cursor_for_type (GdkDisplay *display,
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GdkCursorType cursor_type)
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{
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GdkBroadwayCursor *private;
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g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
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private = g_object_new (GDK_TYPE_BROADWAY_CURSOR,
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"cursor-type", cursor_type,
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"display", display,
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NULL);
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return GDK_CURSOR (private);
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}
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static cairo_surface_t *
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gdk_broadway_cursor_get_surface (GdkCursor *cursor,
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gdouble *x_hot,
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gdouble *y_hot)
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{
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g_return_val_if_fail (cursor != NULL, NULL);
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return NULL;
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}
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void
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_gdk_broadway_cursor_update_theme (GdkCursor *cursor)
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{
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g_return_if_fail (cursor != NULL);
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}
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GdkCursor *
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_gdk_broadway_display_get_cursor_for_surface (GdkDisplay *display,
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cairo_surface_t *surface,
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gdouble x,
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gdouble y)
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{
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GdkBroadwayCursor *private;
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GdkCursor *cursor;
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private = g_object_new (GDK_TYPE_BROADWAY_CURSOR,
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"cursor-type", GDK_CURSOR_IS_PIXMAP,
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"display", display,
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NULL);
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cursor = (GdkCursor *) private;
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return cursor;
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}
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GdkCursor*
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_gdk_broadway_display_get_cursor_for_name (GdkDisplay *display,
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const gchar *name)
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{
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GdkBroadwayCursor *private;
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private = g_object_new (GDK_TYPE_BROADWAY_CURSOR,
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"cursor-type", GDK_CURSOR_IS_PIXMAP,
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"display", display,
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NULL);
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return GDK_CURSOR (private);
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}
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gboolean
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_gdk_broadway_display_supports_cursor_alpha (GdkDisplay *display)
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{
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g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
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return TRUE;
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}
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gboolean
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_gdk_broadway_display_supports_cursor_color (GdkDisplay *display)
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{
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g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
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return TRUE;
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}
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void
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_gdk_broadway_display_get_default_cursor_size (GdkDisplay *display,
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guint *width,
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guint *height)
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{
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g_return_if_fail (GDK_IS_DISPLAY (display));
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*width = *height = 20;
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}
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void
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_gdk_broadway_display_get_maximal_cursor_size (GdkDisplay *display,
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guint *width,
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guint *height)
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{
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g_return_if_fail (GDK_IS_DISPLAY (display));
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*width = 128;
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*height = 128;
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}
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