Panel

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/* $Id$ */

/* This file is part of DeforaOS Desktop Panel */

/* 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, version 3 of the License.

* 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 General Public License for more details.

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <http://www.gnu.org/licenses/>. */

#include <string.h>

#include <libintl.h>

#include <gdk/gdkx.h>

#include <X11/X.h>

#include "Panel/applet.h"

#define _(string) gettext(string)

#define N_(string) string

/* Desktop */

/* private */

/* types */

typedef struct _PanelApplet Desktop;

/* prototypes */

static Desktop * _desktop_init(PanelAppletHelper * helper, GtkWidget ** widget);

static void _desktop_destroy(Desktop * desktop);

/* callbacks */

static void _desktop_on_clicked(GtkWidget * widget);

/* public */

/* variables */

PanelAppletDefinition applet =

{

N_("Desktop switch"),

"panel-applet-desktop",

NULL,

_desktop_init,

_desktop_destroy,

NULL,

FALSE,

TRUE

};

/* private */

/* functions */

/* desktop_init */

static Desktop * _desktop_init(PanelAppletHelper * helper, GtkWidget ** widget)

{

GtkWidget * ret;

GtkWidget * image;

ret = gtk_button_new();

image = gtk_image_new_from_icon_name(applet.icon,

panel_window_get_icon_size(helper->window));

gtk_button_set_image(GTK_BUTTON(ret), image);

gtk_button_set_relief(GTK_BUTTON(ret), GTK_RELIEF_NONE);

#if GTK_CHECK_VERSION(2, 12, 0)

gtk_widget_set_tooltip_text(ret, _("Show desktop"));

#endif

g_signal_connect(ret, "clicked", G_CALLBACK(_desktop_on_clicked), NULL);

gtk_widget_show_all(ret);

*widget = ret;

/* XXX ugly workaround */

return (Desktop *)ret;

}

/* desktop_destroy */

static void _desktop_destroy(Desktop * desktop)

{

/* XXX just as ugly */

gtk_widget_destroy((GtkWidget *)desktop);

}

/* callbacks */

/* on_clicked */

static void _desktop_on_clicked(GtkWidget * widget)

{

GdkScreen * screen;

GdkDisplay * display;

GdkWindow * root;

XEvent xev;

screen = gtk_widget_get_screen(widget);

display = gtk_widget_get_display(widget);

root = gdk_screen_get_root_window(screen);

xev.xclient.type = ClientMessage;

xev.xclient.window = GDK_WINDOW_XID(root);

xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display(

display, "_NET_SHOWING_DESKTOP");

xev.xclient.format = 32;

memset(&xev.xclient.data, 0, sizeof(xev.xclient.data));

xev.xclient.data.l[0] = 1;

gdk_error_trap_push();

XSendEvent(GDK_DISPLAY_XDISPLAY(display), GDK_WINDOW_XID(root),

False,

SubstructureNotifyMask | SubstructureRedirectMask,

&xev);

gdk_error_trap_pop();

}