Desktop
/* $Id: panel.c,v 1.2 2009/07/12 00:12:02 khorben Exp $ */
/* Copyright (c) 2009 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/>. */
#include <sys/time.h>
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <gtk/gtk.h>
#include "panel.h"
/* Panel */
/* private */
/* types */
struct _Panel
{
GdkWindow * root;
GtkWidget * window;
GtkWidget * clock;
gint width; /* width of the root window */
gint height; /* height of the root window */
};
/* prototypes */
static int _panel_error(Panel * panel, char const * message, int ret);
/* public */
/* panel_new */
static GtkWidget * _new_button(char const * stock);
static gboolean _on_button_press(GtkWidget * widget, GdkEventButton * event,
gpointer data);
static void _on_lock(GtkWidget * widget, gpointer * data);
static void _on_menu(GtkWidget * widget, gpointer * data);
static void _on_menu_position(GtkMenu * menu, gint * x, gint * y,
gboolean * push_in, gpointer data);
static void _on_run(GtkWidget * widget, gpointer data);
static gboolean _on_timeout_clock(gpointer data);
Panel * panel_new(void)
{
Panel * panel;
GtkWidget * event;
GtkWidget * hbox;
GtkWidget * widget;
gint x;
gint y;
gint depth;
if((panel = malloc(sizeof(*panel))) == NULL)
return NULL;
/* root window */
panel->root = gdk_screen_get_root_window(
gdk_display_get_default_screen(
gdk_display_get_default()));
gdk_window_get_geometry(panel->root, &x, &y, &panel->width,
&panel->height, &depth);
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() x=%d y=%d width=%d height=%d depth=%d\n",
__func__, x, y, panel->width, panel->height, depth);
#endif
/* panel */
panel->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_move(GTK_WINDOW(panel->window), 0, panel->height - 56);
gtk_window_set_default_size(GTK_WINDOW(panel->window), panel->width,
56);
gtk_window_set_type_hint(GTK_WINDOW(panel->window),
GDK_WINDOW_TYPE_HINT_DOCK);
event = gtk_event_box_new();
g_signal_connect(G_OBJECT(event), "button-press-event", G_CALLBACK(
_on_button_press), panel);
hbox = gtk_hbox_new(FALSE, 4);
/* main menu */
widget = _new_button("gnome-main-menu");
g_signal_connect(G_OBJECT(widget), "clicked", G_CALLBACK(_on_menu),
panel);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
/* quick launch */
widget = _new_button("gnome-lockscreen");
g_signal_connect(G_OBJECT(widget), "clicked", G_CALLBACK(_on_lock),
panel);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(hbox), _new_button("gnome-logout"), FALSE,
TRUE, 0);
/* clock */
panel->clock = gtk_label_new(" \n ");
gtk_label_set_justify(GTK_LABEL(panel->clock), GTK_JUSTIFY_CENTER);
g_timeout_add(1000, _on_timeout_clock, panel);
_on_timeout_clock(panel);
gtk_box_pack_end(GTK_BOX(hbox), panel->clock, FALSE, TRUE, 0);
gtk_container_add(GTK_CONTAINER(event), hbox);
gtk_container_add(GTK_CONTAINER(panel->window), event);
gtk_container_set_border_width(GTK_CONTAINER(panel->window), 4);
gtk_widget_show_all(panel->window);
return panel;
}
static GtkWidget * _new_button(char const * stock)
{
GtkWidget * button;
GtkWidget * image;
button = gtk_button_new();
image = gtk_image_new_from_icon_name(stock,
GTK_ICON_SIZE_LARGE_TOOLBAR);
gtk_button_set_image(GTK_BUTTON(button), image);
gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
return button;
}
static gboolean _on_button_press(GtkWidget * widget, GdkEventButton * event,
gpointer data)
{
GtkWidget * menu;
GtkWidget * menuitem;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
if(event->type != GDK_BUTTON_PRESS || event->button != 3)
return FALSE;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() right-click\n", __func__);
#endif
menu = gtk_menu_new();
menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_PROPERTIES,
NULL);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
gtk_widget_show_all(menu);
gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, data, event->button,
event->time);
return FALSE;
}
static void _on_lock(GtkWidget * widget, gpointer * data)
{
/* XXX could be more efficient and integrated */
system("xscreensaver-command -lock");
}
static void _on_menu(GtkWidget * widget, gpointer * data)
{
GtkWidget * menu;
GtkWidget * menuitem;
GtkWidget * image;
menu = gtk_menu_new();
menuitem = gtk_image_menu_item_new_with_label("Applications");
image = gtk_image_new_from_icon_name("gnome-applications", GTK_ICON_SIZE_MENU);
gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(menuitem), image);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
menuitem = gtk_separator_menu_item_new();
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
menuitem = gtk_image_menu_item_new_with_label("Run...");
image = gtk_image_new_from_stock(GTK_STOCK_EXECUTE, GTK_ICON_SIZE_MENU);
gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(menuitem), image);
g_signal_connect(G_OBJECT(menuitem), "activate", G_CALLBACK(_on_run),
data);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
menuitem = gtk_separator_menu_item_new();
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_PREFERENCES,
NULL);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
menuitem = gtk_separator_menu_item_new();
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
menuitem = gtk_image_menu_item_new_with_label("Lock screen");
image = gtk_image_new_from_icon_name("gnome-lockscreen",
GTK_ICON_SIZE_MENU);
gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(menuitem), image);
g_signal_connect(G_OBJECT(menuitem), "activate", G_CALLBACK(_on_lock),
data);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
menuitem = gtk_image_menu_item_new_with_label("Logout...");
image = gtk_image_new_from_icon_name("gnome-logout",
GTK_ICON_SIZE_MENU);
gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(menuitem), image);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
gtk_widget_show_all(menu);
gtk_menu_popup(GTK_MENU(menu), NULL, NULL, _on_menu_position, data, 0,
gtk_get_current_event_time());
}
static void _on_menu_position(GtkMenu * menu, gint * x, gint * y,
gboolean * push_in, gpointer data)
{
Panel * panel = data;
GtkRequisition req;
gtk_widget_size_request(GTK_WIDGET(menu), &req);
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() width=%d, height=%d\n", __func__,
req.width, req.height);
#endif
if(req.height <= 0)
return;
*x = 4;
*y = panel->height - 52 - req.height;
*push_in = TRUE;
}
static void _on_run(GtkWidget * widget, gpointer data)
{
/* XXX could be more efficient and integrated */
system("run");
}
static gboolean _on_timeout_clock(gpointer data)
{
Panel * panel = data;
struct timeval tv;
time_t t;
struct tm tm;
char buf[32];
if(gettimeofday(&tv, NULL) != 0)
return _panel_error(panel, "gettimeofday", TRUE);
t = tv.tv_sec;
localtime_r(&t, &tm);
strftime(buf, sizeof(buf), "%H:%M:%S\n%d/%m/%Y", &tm);
gtk_label_set_text(GTK_LABEL(panel->clock), buf);
return TRUE;
}
/* panel_delete */
void panel_delete(Panel * panel)
{
free(panel);
}
/* private */
/* functions */
static int _panel_error(Panel * panel, char const * message, int ret)
{
fputs("panel: ", stderr);
perror(message);
return ret;
}