diff options
Diffstat (limited to 'savers/gs-theme-window.c')
| -rw-r--r-- | savers/gs-theme-window.c | 214 |
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); +} |