You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

220 lines
6.1 KiB

/* vim: set expandtab ts=8 sw=4: */
/* $Id$
*
* Copyright © 2005 Jasper Huijsmans <jasper@xfce.org>
* Copyright © 2006 Jani Monoses <jani@ubuntu.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, 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 Library General Public License for more details.
*
* You should have received a copy of the GNU 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gtk/gtk.h>
#include <libwnck/libwnck.h>
#include <libxfcegui4/libxfcegui4.h>
#include <libxfce4panel/xfce-panel-plugin.h>
#include <libxfce4panel/xfce-panel-convenience.h>
#define TIP_ACTIVE _("Restore hidden windows")
#define TIP_INACTIVE _("Hide windows and show desktop")
typedef struct
{
XfcePanelPlugin *plugin;
GtkWidget *button;
GtkWidget *image;
GtkTooltips *tooltips;
WnckScreen *screen;
int wnck_id;
int screen_id;
int style_id;
guint showing:1;
guint updating:1;
}
ShowDesktopData;
/* Panel Plugin Interface */
static void showdesktop_construct (XfcePanelPlugin * plugin);
XFCE_PANEL_PLUGIN_REGISTER_INTERNAL (showdesktop_construct);
/* internal functions */
static gboolean
showdesktop_set_size (XfcePanelPlugin *plugin, int size, ShowDesktopData *sdd)
{
GdkPixbuf *pb;
int width = size - 2 - 2 * MAX (sdd->button->style->xthickness,
sdd->button->style->ythickness);
pb = xfce_themed_icon_load ("user-desktop", width);
if (G_UNLIKELY (pb == NULL))
pb = xfce_themed_icon_load ("gnome-fs-desktop", width);
if (pb != NULL)
{
gtk_image_set_from_pixbuf (GTK_IMAGE (sdd->image), pb);
g_object_unref (pb);
}
gtk_widget_set_size_request (GTK_WIDGET (plugin), size, size);
return TRUE;
}
static void
showdesktop_free_data (XfcePanelPlugin * plugin, ShowDesktopData * sdd)
{
if (sdd->wnck_id)
g_signal_handler_disconnect (sdd->screen, sdd->wnck_id);
if (sdd->screen_id)
g_signal_handler_disconnect (plugin, sdd->screen_id);
if (sdd->style_id)
g_signal_handler_disconnect (plugin, sdd->style_id);
sdd->wnck_id = sdd->screen_id = sdd->style_id = 0;
gtk_object_sink (GTK_OBJECT (sdd->tooltips));
panel_slice_free (ShowDesktopData, sdd);
}
static void
update_button_display (ShowDesktopData * sdd)
{
gtk_tooltips_set_tip (sdd->tooltips, sdd->button,
sdd->showing ? TIP_ACTIVE : TIP_INACTIVE, NULL);
}
static void
update_button (ShowDesktopData * sdd)
{
if (sdd->updating)
return;
sdd->updating = TRUE;
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (sdd->button),
sdd->showing);
update_button_display (sdd);
sdd->updating = FALSE;
}
/* create widgets and connect to signals */
static void
button_toggled (GtkWidget * button, ShowDesktopData * sdd)
{
gboolean active;
if (sdd->updating)
return;
active = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button));
wnck_screen_toggle_showing_desktop (sdd->screen, active);
sdd->showing = active;
update_button_display (sdd);
}
static void
showing_desktop_changed (WnckScreen * screen, ShowDesktopData * sdd)
{
sdd->showing = wnck_screen_get_showing_desktop (screen);
update_button (sdd);
}
static void
showdesktop_screen_changed (XfcePanelPlugin *plugin, GdkScreen *screen,
ShowDesktopData *sdd)
{
if (sdd->wnck_id)
{
g_signal_handler_disconnect (sdd->screen, sdd->wnck_id);
sdd->wnck_id = 0;
}
screen = gtk_widget_get_screen (GTK_WIDGET (plugin));
if (screen)
{
sdd->screen = wnck_screen_get (gdk_screen_get_number (screen));
sdd->wnck_id =
g_signal_connect (sdd->screen, "showing_desktop_changed",
G_CALLBACK (showing_desktop_changed), sdd);
sdd->showing = wnck_screen_get_showing_desktop (sdd->screen);
update_button (sdd);
showdesktop_set_size (plugin, xfce_panel_plugin_get_size (plugin), sdd);
}
}
static void
showdesktop_style_set (XfcePanelPlugin *plugin, gpointer ignored,
ShowDesktopData *sdd)
{
showdesktop_set_size (plugin, xfce_panel_plugin_get_size (plugin), sdd);
}
static void
showdesktop_construct (XfcePanelPlugin * plugin)
{
ShowDesktopData *sdd = panel_slice_new0 (ShowDesktopData);
sdd->plugin = plugin;
sdd->tooltips = gtk_tooltips_new ();
sdd->image = gtk_image_new ();
sdd->button = xfce_create_panel_toggle_button ();
gtk_container_add (GTK_CONTAINER (sdd->button), GTK_WIDGET (sdd->image));
gtk_button_set_relief (GTK_BUTTON (sdd->button), GTK_RELIEF_NONE);
gtk_widget_show_all (sdd->button);
gtk_container_add (GTK_CONTAINER (plugin), sdd->button);
xfce_panel_plugin_add_action_widget (plugin, sdd->button);
g_signal_connect (sdd->button, "toggled",
G_CALLBACK (button_toggled), sdd);
g_signal_connect (plugin, "free-data",
G_CALLBACK (showdesktop_free_data), sdd);
g_signal_connect (plugin, "size-changed",
G_CALLBACK (showdesktop_set_size), sdd);
update_button (sdd);
showdesktop_screen_changed (plugin, gtk_widget_get_screen (sdd->button),
sdd);
sdd->screen_id =
g_signal_connect (plugin, "screen-changed",
G_CALLBACK (showdesktop_screen_changed), sdd);
sdd->style_id =
g_signal_connect (plugin, "style-set",
G_CALLBACK (showdesktop_style_set), sdd);
}