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/* -*- 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 <rstrode@redhat.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* Originally written by: Ray Strode <rstrode@redhat.com>
*/
#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)
{
GObjectClass *parent_class;
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)))
{
#if GTK_CHECK_VERSION (3, 0, 0)
window = gdk_x11_window_foreign_new_for_display (gdk_display_get_default (), remote_xwindow);
#else
window = gdk_window_foreign_new (remote_xwindow);
#endif
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 (gtk_widget_get_style (widget),
window,
GTK_STATE_NORMAL);
gdk_window_set_decorations (window, (GdkWMDecoration) 0);
gdk_window_set_events (window, gdk_window_get_events (window) | event_mask);
gtk_widget_set_window (widget, window);
gdk_window_set_user_data (window, widget);
gtk_widget_set_realized (widget, TRUE);
#if GTK_CHECK_VERSION (3, 0, 0)
gdk_window_get_geometry (window, &x, &y, &width, &height);
#else
gdk_window_get_geometry (window, &x, &y, &width, &height, NULL);
#endif
if (width < MIN_SIZE || height < MIN_SIZE)
{
g_critical ("This window is way too small to use");
exit (1);
}
#if GTK_CHECK_VERSION(3, 0, 0)
gtk_widget_get_preferred_size (widget, &requisition, NULL);
#else
gtk_widget_size_request (widget, &requisition);
#endif
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);
}
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