1 files changed, 214 insertions, 0 deletions
diff --git a/savers/gs-theme-window.c b/savers/gs-theme-window.c
new file mode 100644
index 0000000..bdc1c88
--- /dev/null
+++ b/savers/gs-theme-window.c
@@ -0,0 +1,214 @@
+/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 8; tab-width: 8 -*-
+ *
+ * gs-theme-window.c - special toplevel for screensavers
+ *
+ * Copyright (C) 2005 Ray Strode <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2, or (at your option) any later version.
+ *
+ * This program 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 Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Originally written by: Ray Strode <[email protected]>
+ */
+
+#include "config.h"
+
+#include <errno.h>
+#include <stdlib.h>
+
+#include <glib.h>
+#include <glib-object.h>
+#include <glib/gi18n.h>
+
+#include <gdk/gdkx.h>
+#include <gtk/gtk.h>
+
+#include "gs-theme-window.h"
+
+static void gs_theme_window_finalize (GObject *object);
+static void gs_theme_window_real_realize (GtkWidget *widget);
+
+static GObjectClass *parent_class = NULL;
+
+G_DEFINE_TYPE (GSThemeWindow, gs_theme_window, GTK_TYPE_WINDOW)
+
+#define MIN_SIZE 10
+
+static void
+gs_theme_window_class_init (GSThemeWindowClass *klass)
+{
+ GObjectClass *object_class;
+ GtkWidgetClass *widget_class;
+
+ object_class = G_OBJECT_CLASS (klass);
+ widget_class = GTK_WIDGET_CLASS (klass);
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ object_class->finalize = gs_theme_window_finalize;
+
+ widget_class->realize = gs_theme_window_real_realize;
+}
+
+static void
+force_no_pixmap_background (GtkWidget *widget)
+{
+ static gboolean first_time = TRUE;
+
+ if (first_time)
+ {
+ gtk_rc_parse_string ("\n"
+ " style \"gs-theme-engine-style\"\n"
+ " {\n"
+ " bg_pixmap[NORMAL] = \"<none>\"\n"
+ " bg_pixmap[ACTIVE] = \"<none>\"\n"
+ " bg_pixmap[PRELIGHT] = \"<none>\"\n"
+ " bg_pixmap[SELECTED] = \"<none>\"\n"
+ " bg_pixmap[INSENSITIVE] = \"<none>\"\n"
+ " bg[NORMAL] = \"#000000\"\n"
+ " bg[ACTIVE] = \"#000000\"\n"
+ " bg[PRELIGHT] = \"#000000\"\n"
+ " bg[SELECTED] = \"#000000\"\n"
+ " bg[INSENSITIVE] = \"#000000\"\n"
+ " }\n"
+ " widget \"gs-window*\" style : highest \"gs-theme-engine-style\"\n"
+ "\n");
+ first_time = FALSE;
+ }
+
+ gtk_widget_set_name (widget, "gs-window");
+}
+
+static void
+gs_theme_window_init (GSThemeWindow *window)
+{
+ force_no_pixmap_background (GTK_WIDGET (window));
+}
+
+static void
+gs_theme_window_finalize (GObject *object)
+{
+ GSThemeWindow *window;
+ GObjectClass *parent_class;
+
+ window = GS_THEME_WINDOW (object);
+
+ parent_class = G_OBJECT_CLASS (gs_theme_window_parent_class);
+
+ if (parent_class->finalize != NULL)
+ parent_class->finalize (object);
+}
+
+static void
+gs_theme_window_real_realize (GtkWidget *widget)
+{
+ GdkWindow *window;
+ Window remote_xwindow;
+ GtkRequisition requisition;
+ GtkAllocation allocation;
+ const char *preview_xid;
+ int x;
+ int y;
+ int width;
+ int height;
+ int event_mask;
+
+ event_mask = 0;
+ window = NULL;
+ preview_xid = g_getenv ("XSCREENSAVER_WINDOW");
+
+ if (preview_xid != NULL)
+ {
+ char *end;
+
+ remote_xwindow = (Window) strtoul (preview_xid, &end, 0);
+
+ if ((remote_xwindow != 0) && (end != NULL) &&
+ ((*end == ' ') || (*end == '\0')) &&
+ ((remote_xwindow < G_MAXULONG) || (errno != ERANGE)))
+ {
+ window = gdk_window_foreign_new (remote_xwindow);
+
+ if (window != NULL)
+ {
+ /* This is a kludge; we need to set the same
+ * flags gs-window-x11.c does, to ensure they
+ * don't get unset by gtk_window_map() later.
+ */
+ gtk_window_set_decorated (GTK_WINDOW (widget), FALSE);
+
+ gtk_window_set_skip_taskbar_hint (GTK_WINDOW (widget), TRUE);
+ gtk_window_set_skip_pager_hint (GTK_WINDOW (widget), TRUE);
+
+ gtk_window_set_keep_above (GTK_WINDOW (widget), TRUE);
+
+ gtk_window_fullscreen (GTK_WINDOW (widget));
+
+ event_mask = GDK_EXPOSURE_MASK | GDK_STRUCTURE_MASK;
+ gtk_widget_set_events (widget, gtk_widget_get_events (widget) | event_mask);
+ }
+ }
+ }
+
+ if (window == NULL)
+ {
+ GtkWidgetClass *parent_class;
+
+ parent_class = GTK_WIDGET_CLASS (gs_theme_window_parent_class);
+
+ if (parent_class->realize != NULL)
+ parent_class->realize (widget);
+
+ return;
+ }
+
+ gtk_style_set_background (widget->style,
+ window,
+ GTK_STATE_NORMAL);
+ gdk_window_set_decorations (window, (GdkWMDecoration) 0);
+ gdk_window_set_events (window, gdk_window_get_events (window) | event_mask);
+
+ widget->window = window;
+ gdk_window_set_user_data (window, widget);
+ GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
+
+ gdk_window_get_geometry (window, &x, &y, &width, &height, NULL);
+
+ if (width < MIN_SIZE || height < MIN_SIZE)
+ {
+ g_critical ("This window is way too small to use");
+ exit (1);
+ }
+
+ gtk_widget_size_request (widget, &requisition);
+ allocation.x = x;
+ allocation.y = y;
+ allocation.width = width;
+ allocation.height = height;
+ gtk_widget_size_allocate (widget, &allocation);
+ gtk_window_resize (GTK_WINDOW (widget), width, height);
+}
+
+GtkWidget *
+gs_theme_window_new (void)
+{
+ GSThemeWindow *window;
+
+ window = g_object_new (GS_TYPE_THEME_WINDOW,
+ "type", GTK_WINDOW_TOPLEVEL,
+ NULL);
+
+ return GTK_WIDGET (window);
+}