453 lines
12 KiB
C
453 lines
12 KiB
C
/* $Id$ */
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/* Copyright (c) 2010 Pierre Pronchery <khorben@defora.org> */
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/* This file is part of DeforaOS Desktop Panel */
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/* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <System.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <libintl.h>
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#include <gtk/gtk.h>
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#include "Panel.h"
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#include "common.h"
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#include "../config.h"
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#define _(string) gettext(string)
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/* Panel */
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/* private */
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/* types */
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struct _Panel
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{
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Config * config;
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PanelPosition position;
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gint height;
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gint icon_width;
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gint icon_height;
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PanelAppletHelper helper;
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GtkWidget * window;
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GtkWidget * hbox;
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GdkWindow * root;
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gint root_width; /* width of the root window */
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gint root_height; /* height of the root window */
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};
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/* constants */
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#ifndef PREFIX
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# define PREFIX "/usr/local"
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#endif
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#ifndef LIBDIR
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# define LIBDIR PREFIX "/lib"
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#endif
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#define PANEL_CONFIG_FILE ".panel"
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/* prototypes */
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/* helpers */
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static char const * _panel_helper_config_get(void * priv, char const * section,
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char const * variable);
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static int _panel_helper_error(void * priv, char const * message, int ret);
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#ifndef EMBEDDED
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static int _panel_helper_logout_dialog(void);
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#endif
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static void _panel_helper_position_menu(GtkMenu * menu, gint * x, gint * y,
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gboolean * push_in, gpointer data);
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static int _panel_helper_shutdown_dialog(void);
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/* public */
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/* panel_new */
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static int _new_config(Panel * panel);
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static gboolean _on_idle(gpointer data);
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static gboolean _idle_load(Panel * panel, char const * plugins);
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static gboolean _on_closex(void);
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Panel * panel_new(PanelPrefs * prefs)
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{
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Panel * panel;
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GdkScreen * screen;
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int monitor;
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GdkRectangle rect;
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if((panel = malloc(sizeof(*panel))) == NULL)
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{
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panel_error(NULL, "malloc", 1);
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return NULL;
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}
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if(_new_config(panel) != 0)
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{
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/* FIXME visually warn the user */
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panel_delete(panel);
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return NULL;
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}
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panel->position = prefs->position;
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panel->icon_width = 48;
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panel->icon_height = 48;
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if(prefs->iconsize != PANEL_ICON_SIZE_SMALL
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&& prefs->iconsize != PANEL_ICON_SIZE_SMALLER)
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prefs->iconsize = PANEL_ICON_SIZE_LARGE;
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if(gtk_icon_size_lookup(prefs->iconsize, &panel->icon_width,
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&panel->icon_height) != TRUE)
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error_set_print(PACKAGE, 0, "Invalid panel size");
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panel->helper.priv = panel;
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panel->helper.config_get = _panel_helper_config_get;
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panel->helper.error = _panel_helper_error;
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panel->helper.icon_size = prefs->iconsize;
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#ifndef EMBEDDED
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panel->helper.logout_dialog = _panel_helper_logout_dialog;
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#else
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panel->helper.logout_dialog = NULL;
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#endif
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panel->helper.position_menu = _panel_helper_position_menu;
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panel->helper.shutdown_dialog = _panel_helper_shutdown_dialog;
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/* root window */
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screen = gdk_screen_get_default();
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panel->root = gdk_screen_get_root_window(screen);
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if(prefs != NULL && prefs->monitor > 0
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&& prefs->monitor < gdk_screen_get_n_monitors(screen))
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monitor = prefs->monitor;
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else
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monitor = 0;
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gdk_screen_get_monitor_geometry(screen, monitor, &rect);
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panel->root_width = rect.width;
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panel->root_height = rect.height;
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#ifdef DEBUG
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fprintf(stderr, "DEBUG: %s() width=%d height=%d\n", __func__,
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panel->root_width, panel->root_height);
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#endif
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/* panel */
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g_idle_add(_on_idle, panel);
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panel->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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panel->height = panel->icon_height + (PANEL_BORDER_WIDTH * 4);
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#ifdef DEBUG
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fprintf(stderr, "DEBUG: %s() height=%d\n", __func__, panel->height);
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#endif
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gtk_window_resize(GTK_WINDOW(panel->window), panel->root_width,
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panel->height);
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gtk_window_set_type_hint(GTK_WINDOW(panel->window),
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GDK_WINDOW_TYPE_HINT_DOCK);
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if(prefs->position == PANEL_POSITION_TOP)
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gtk_window_move(GTK_WINDOW(panel->window), rect.x, 0);
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else
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gtk_window_move(GTK_WINDOW(panel->window), rect.x,
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rect.y + panel->root_height - panel->height);
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gtk_window_stick(GTK_WINDOW(panel->window));
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g_signal_connect(G_OBJECT(panel->window), "delete-event", G_CALLBACK(
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_on_closex), panel);
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panel->hbox = gtk_hbox_new(FALSE, 2);
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gtk_container_add(GTK_CONTAINER(panel->window), panel->hbox);
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gtk_container_set_border_width(GTK_CONTAINER(panel->window), 4);
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gtk_widget_show_all(panel->window);
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return panel;
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}
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static int _new_config(Panel * panel)
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{
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char const * homedir;
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size_t len;
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char * filename;
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if((panel->config = config_new()) == NULL)
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return 1;
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if((homedir = getenv("HOME")) == NULL)
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homedir = g_get_home_dir();
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len = strlen(homedir) + 1 + sizeof(PANEL_CONFIG_FILE);
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if((filename = malloc(len)) == NULL)
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return 1;
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snprintf(filename, len, "%s/%s", homedir, PANEL_CONFIG_FILE);
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config_load(panel->config, filename); /* we can ignore errors */
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free(filename);
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return 0;
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}
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static gboolean _on_idle(gpointer data)
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{
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Panel * panel = data;
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#ifndef EMBEDDED
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const char * plugins[] = { "volume", "systray", "battery", "bluetooth",
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"clock", "swap", "memory", "cpufreq", "cpu", "desktop", "gps",
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"gsm", "lock", "logout", "main", "pager", "tasks", NULL };
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#else
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const char * plugins[] = { "volume", "systray", "battery", "bluetooth",
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"clock", "cpufreq", "gps", "gsm", "main", "pager", "tasks",
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NULL };
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#endif
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char const * p;
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size_t i;
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p = config_get(panel->config, NULL, (panel->position
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== PANEL_POSITION_TOP) ? "top" : "bottom");
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if(p != NULL || (p = config_get(panel->config, NULL, "plugins"))
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!= NULL)
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return _idle_load(panel, p);
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for(i = 0; plugins[i] != NULL; i++)
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if(panel_load(panel, plugins[i]) != 0)
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error_print(PACKAGE); /* we can ignore errors */
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return FALSE;
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}
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static gboolean _idle_load(Panel * panel, char const * plugins)
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{
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char * p;
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char * q;
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size_t i;
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if((p = strdup(plugins)) == NULL)
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return panel_error(panel, "strdup", FALSE);
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for(q = p, i = 0;;)
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{
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if(q[i] == '\0')
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{
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if(panel_load(panel, q) != 0)
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error_print(PACKAGE); /* we can ignore errors */
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break;
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}
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if(q[i++] != ',')
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continue;
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q[i - 1] = '\0';
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if(panel_load(panel, q) != 0)
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error_print(PACKAGE); /* we can ignore errors */
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q += i;
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i = 0;
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}
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free(p);
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return FALSE;
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}
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static gboolean _on_closex(void)
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{
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/* ignore delete events */
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return TRUE;
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}
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/* panel_delete */
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void panel_delete(Panel * panel)
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{
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/* FIXME destroy plugins as well */
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if(panel->config != NULL)
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config_delete(panel->config);
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free(panel);
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}
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/* useful */
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int panel_error(Panel * panel, char const * message, int ret)
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{
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GtkWidget * dialog;
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dialog = gtk_message_dialog_new(NULL, 0, GTK_MESSAGE_ERROR,
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GTK_BUTTONS_CLOSE, "%s: %s", message, strerror(errno));
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gtk_window_set_title(GTK_WINDOW(dialog), "Error");
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gtk_dialog_run(GTK_DIALOG(dialog));
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gtk_widget_destroy(dialog);
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return ret;
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}
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/* panel_load */
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int panel_load(Panel * panel, char const * applet)
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{
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Plugin * plugin;
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PanelApplet * pa;
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GtkWidget * widget;
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gboolean exp;
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gboolean fill;
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if((plugin = plugin_new(LIBDIR, PACKAGE, "applets", applet)) == NULL)
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return -1;
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if((pa = plugin_lookup(plugin, "applet")) == NULL
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|| (pa->helper = &panel->helper) == NULL
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|| pa->init == NULL || (widget = pa->init(pa)) == NULL)
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{
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plugin_delete(plugin);
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return -1;
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}
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exp = pa->expand;
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fill = pa->fill;
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switch(pa->position)
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{
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case PANEL_APPLET_POSITION_END:
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gtk_box_pack_end(GTK_BOX(panel->hbox), widget, exp,
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fill, 0);
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break;
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case PANEL_APPLET_POSITION_FIRST:
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gtk_box_pack_start(GTK_BOX(panel->hbox), widget, exp,
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fill, 0);
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gtk_box_reorder_child(GTK_BOX(panel->hbox), widget, 0);
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break;
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case PANEL_APPLET_POSITION_LAST:
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gtk_box_pack_end(GTK_BOX(panel->hbox), widget, exp,
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fill, 0);
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gtk_box_reorder_child(GTK_BOX(panel->hbox), widget, 0);
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break;
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case PANEL_APPLET_POSITION_START:
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gtk_box_pack_start(GTK_BOX(panel->hbox), widget, exp,
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fill, 0);
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break;
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}
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return 0;
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}
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/* private */
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/* functions */
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/* helpers */
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/* panel_helper_config_get */
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static char const * _panel_helper_config_get(void * priv, char const * section,
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char const * variable)
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{
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Panel * panel = priv;
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return config_get(panel->config, section, variable);
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}
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/* panel_helper_error */
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static int _error_text(char const * message, int ret);
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static int _panel_helper_error(void * priv, char const * message, int ret)
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{
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Panel * panel = priv;
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if(priv == NULL)
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return _error_text(message, ret);
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return panel_error(panel, message, ret);
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}
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static int _error_text(char const * message, int ret)
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{
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fputs(PACKAGE ": ", stderr);
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perror(message);
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return ret;
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}
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#ifndef EMBEDDED
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/* panel_helper_logout_dialog */
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static int _panel_helper_logout_dialog(void)
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{
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GtkWidget * dialog;
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const char * message = _("This will log you out of the current session,"
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" therefore closing any application currently opened"
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" and losing any unsaved data.\n"
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"Do you really want to proceed?");
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GtkWidget * widget;
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int res;
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dialog = gtk_message_dialog_new(NULL, 0, GTK_MESSAGE_INFO,
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GTK_BUTTONS_NONE, "%s", _("Logout"));
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gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
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"%s", message);
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gtk_dialog_add_buttons(GTK_DIALOG(dialog), GTK_STOCK_CANCEL,
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GTK_RESPONSE_CANCEL, NULL);
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widget = gtk_button_new_with_label(_("Logout"));
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gtk_button_set_image(GTK_BUTTON(widget), gtk_image_new_from_icon_name(
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"gnome-logout", GTK_ICON_SIZE_BUTTON));
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gtk_widget_show_all(widget);
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gtk_dialog_add_action_widget(GTK_DIALOG(dialog), widget,
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GTK_RESPONSE_ACCEPT);
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gtk_window_set_keep_above(GTK_WINDOW(dialog), TRUE);
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gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER_ALWAYS);
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gtk_window_set_title(GTK_WINDOW(dialog), _("Logout"));
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res = gtk_dialog_run(GTK_DIALOG(dialog));
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gtk_widget_destroy(dialog);
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if(res != GTK_RESPONSE_ACCEPT)
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return 1;
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gtk_main_quit();
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return 0;
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}
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#endif
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/* panel_helper_position_menu */
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static void _panel_helper_position_menu(GtkMenu * menu, gint * x, gint * y,
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gboolean * push_in, gpointer data)
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{
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Panel * panel = data;
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GtkRequisition req;
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gtk_widget_size_request(GTK_WIDGET(menu), &req);
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#ifdef DEBUG
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fprintf(stderr, "DEBUG: %s() width=%d, height=%d\n", __func__,
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req.width, req.height);
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#endif
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if(req.height <= 0)
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return;
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*x = PANEL_BORDER_WIDTH;
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if(panel->position == PANEL_POSITION_TOP)
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*y = panel->height;
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else
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*y = panel->root_height - panel->height - req.height;
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*push_in = TRUE;
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}
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/* panel_helper_shutdown_dialog */
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static int _panel_helper_shutdown_dialog(void)
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{
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GtkWidget * dialog;
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GtkWidget * widget;
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const char * message = _("This will shutdown your computer,"
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" therefore closing any application currently opened"
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" and losing any unsaved data.\n"
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"Do you really want to proceed?");
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enum { RES_CANCEL, RES_REBOOT, RES_SHUTDOWN };
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int res;
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char * reboot[] = { "/sbin/shutdown", "shutdown", "-r", "now", NULL };
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char * shutdown[] = { "/sbin/shutdown", "shutdown",
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#ifdef __NetBSD__
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"-p",
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#else
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"-h",
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#endif
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"now", NULL };
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dialog = gtk_message_dialog_new(NULL, 0, GTK_MESSAGE_INFO,
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GTK_BUTTONS_NONE, "%s", _("Shutdown"));
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gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
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"%s", message);
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gtk_dialog_add_buttons(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, RES_CANCEL,
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_("Restart"), RES_REBOOT, NULL);
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widget = gtk_button_new_with_label(_("Shutdown"));
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gtk_button_set_image(GTK_BUTTON(widget), gtk_image_new_from_icon_name(
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"gnome-shutdown", GTK_ICON_SIZE_BUTTON));
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gtk_widget_show_all(widget);
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gtk_dialog_add_action_widget(GTK_DIALOG(dialog), widget, RES_SHUTDOWN);
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gtk_window_set_keep_above(GTK_WINDOW(dialog), TRUE);
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gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER_ALWAYS);
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gtk_window_set_title(GTK_WINDOW(dialog), _("Shutdown"));
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res = gtk_dialog_run(GTK_DIALOG(dialog));
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gtk_widget_destroy(dialog);
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if(res == RES_SHUTDOWN)
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g_spawn_async(NULL, shutdown, NULL, G_SPAWN_FILE_AND_ARGV_ZERO,
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NULL, NULL, NULL, NULL);
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else if(res == RES_REBOOT)
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g_spawn_async(NULL, reboot, NULL, G_SPAWN_FILE_AND_ARGV_ZERO,
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NULL, NULL, NULL, NULL);
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else
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return 1;
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return 0;
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}
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