Desktop
/* $Id: embed.c,v 1.5 2012/10/06 11:48:33 khorben Exp $ */
/* Copyright (c) 2012 Pierre Pronchery <khorben@defora.org> */
/* 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/>. */
/* TODO:
* - let automatic show/hide be in preferences */
#ifdef DEBUG
# include <stdio.h>
#endif
#include <System.h>
#include <Desktop.h>
#include "Panel.h"
/* Embed */
/* private */
/* types */
typedef struct _PanelApplet
{
PanelAppletHelper * helper;
guint source;
guint count;
/* widgets */
GtkWidget * button;
GtkWidget * window;
GtkWidget * vbox;
} Embed;
/* prototypes */
static Embed * _embed_init(PanelAppletHelper * helper,
GtkWidget ** widget);
static void _embed_destroy(Embed * embed);
/* callbacks */
static void _embed_on_added(gpointer data);
static int _embed_on_desktop_message(void * data, uint32_t value1,
uint32_t value2, uint32_t value3);
static int _embed_on_idle(gpointer data);
static gboolean _embed_on_removed(GtkWidget * widget, gpointer data);
static void _embed_on_toggled(gpointer data);
/* public */
/* variables */
PanelAppletDefinition applet =
{
"Embed",
"gnome-window-manager",
NULL,
_embed_init,
_embed_destroy,
NULL,
FALSE,
TRUE
};
/* private */
/* functions */
/* embed_init */
static Embed * _embed_init(PanelAppletHelper * helper,
GtkWidget ** widget)
{
Embed * embed;
GtkWidget * image;
if((embed = object_new(sizeof(*embed))) == NULL)
{
helper->error(NULL, error_get(), 1);
return NULL;
}
embed->helper = helper;
embed->source = 0;
embed->count = 0;
embed->window = NULL;
embed->vbox = NULL;
embed->button = gtk_toggle_button_new();
#if GTK_CHECK_VERSION(2, 12, 0)
gtk_widget_set_tooltip_text(embed->button, "Show embedded widgets");
#endif
gtk_button_set_relief(GTK_BUTTON(embed->button), GTK_RELIEF_NONE);
gtk_widget_set_sensitive(embed->button, FALSE);
g_signal_connect_swapped(G_OBJECT(embed->button), "toggled", G_CALLBACK(
_embed_on_toggled), embed);
image = gtk_image_new_from_icon_name(applet.icon, helper->icon_size);
gtk_container_add(GTK_CONTAINER(embed->button), image);
gtk_widget_show_all(embed->button);
*widget = embed->button;
g_idle_add(_embed_on_idle, embed);
return embed;
}
/* embed_destroy */
static void _embed_destroy(Embed * embed)
{
if(embed->source != 0)
g_source_remove(embed->source);
object_delete(embed);
}
/* callbacks */
/* embed_on_added */
static void _embed_on_added(gpointer data)
{
Embed * embed = data;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(embed->button), TRUE);
gtk_widget_set_sensitive(embed->button, TRUE);
embed->count++;
}
/* embed_on_desktop_message */
static int _embed_on_desktop_message(void * data, uint32_t value1,
uint32_t value2, uint32_t value3)
{
Embed * embed = data;
GtkWidget * socket;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(%u, %u, %u)\n", __func__, value1, value2,
value3);
#endif
if(value1 != PANEL_MESSAGE_EMBED)
return 0;
socket = gtk_socket_new();
g_signal_connect_swapped(socket, "plug-added", G_CALLBACK(
_embed_on_added), embed);
g_signal_connect(socket, "plug-removed", G_CALLBACK(
_embed_on_removed), embed);
gtk_widget_show(socket);
gtk_box_pack_start(GTK_BOX(embed->vbox), socket, FALSE, TRUE, 0);
gtk_socket_add_id(GTK_SOCKET(socket), value2);
return 0;
}
/* embed_on_idle */
static int _embed_on_idle(gpointer data)
{
Embed * embed = data;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
embed->source = 0;
embed->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_accept_focus(GTK_WINDOW(embed->window), FALSE);
#if GTK_CHECK_VERSION(2, 6, 0)
gtk_window_set_focus_on_map(GTK_WINDOW(embed->window), FALSE);
#endif
gtk_window_set_type_hint(GTK_WINDOW(embed->window),
GDK_WINDOW_TYPE_HINT_DOCK);
embed->vbox = gtk_vbox_new(FALSE, 0);
gtk_container_add(GTK_CONTAINER(embed->window), embed->vbox);
gtk_widget_show(embed->vbox);
desktop_message_register(PANEL_CLIENT_MESSAGE,
_embed_on_desktop_message, embed);
return FALSE;
}
/* embed_on_removed */
static gboolean _embed_on_removed(GtkWidget * widget, gpointer data)
{
Embed * embed = data;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
if(embed->count > 0 && --embed->count == 0)
{
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(embed->button),
FALSE);
gtk_widget_set_sensitive(embed->button, FALSE);
}
return FALSE;
}
/* embed_on_toggled */
static void _embed_on_toggled(gpointer data)
{
Embed * embed = data;
PanelAppletHelper * helper = embed->helper;
gint x = 0;
gint y = 0;
gboolean push_in;
#if GTK_CHECK_VERSION(2, 18, 0)
GtkAllocation allocation;
#endif
if(embed->window == NULL)
_embed_on_idle(embed);
if(embed->window == NULL)
return;
helper->position_menu(helper->panel, (GtkMenu *)embed->window, &x, &y,
&push_in);
#if GTK_CHECK_VERSION(2, 18, 0)
gtk_widget_get_allocation(embed->button, &allocation);
x += allocation.x;
#endif
gtk_window_move(GTK_WINDOW(embed->window), x, y);
if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(embed->button)))
gtk_widget_show(embed->window);
else
gtk_widget_hide(embed->window);
}