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/*
* (C) 2006 OpenedHand Ltd.
*
* Author: Jorn Baayen <jorn@openedhand.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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 Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <glib/gi18n.h>
#include <gtk/gtkmain.h>
#include <gtk/gtkwindow.h>
#include <gtk/gtkhbox.h>
#include <gtk/gtkvbox.h>
#define DEFAULT_HEIGHT 32 /* Default panel height */
static GList *open_modules = NULL; /* List of open modules */
/* Load applet @name with ID @id */
static GtkWidget *
load_applet (const char *name,
const char *id,
int panel_width,
int panel_height)
{
const char *applet_path;
char *path;
GModule *module;
GtkWidget * (* create_func) (const char *id,
int panel_width,
int panel_height);
/* Get MATCHBOX_PANEL_APPLET_PATH */
applet_path = g_getenv ("MATCHBOX_PANEL_APPLET_PATH");
if (!applet_path)
applet_path = DEFAULT_APPLET_PATH;
/* See if we can find a module with this name */
path = g_module_build_path (applet_path, name);
if (!g_file_test (path, G_FILE_TEST_EXISTS)) {
/* No */
g_warning ("Failed to find applet \"%s\"", name);
g_free (path);
return NULL;
}
/* Yes: Open it */
module = g_module_open (path, G_MODULE_BIND_LOCAL);
if (!module) {
g_warning ("Failed to load applet \"%s\".", name);
g_free (path);
return NULL;
}
g_free (path);
/* Dig up the mb_panel_applet_create symbol */
if (!g_module_symbol (module,
"mb_panel_applet_create",
(gpointer) &create_func)) {
g_warning ("Applet \"%s\" does not export the "
"\"mb_panel_applet_create\" symbol.", name);
g_module_close (module);
return NULL;
}
/* Keep track of open modules */
open_modules = g_list_prepend (open_modules, module);
/* Run mb_panel_applet_create */
return create_func (id, panel_width, panel_height);
}
/* Load the applets from @applets_desc into @box, packing them using
* @pack_func */
static void
load_applets (const char *applets_desc,
GtkBox *box,
void ( *pack_func) (GtkBox *box,
GtkWidget *widget,
gboolean expand,
gboolean fill,
guint padding),
int panel_width,
int panel_height)
{
char **applets;
int i;
/* Check for NULL description */
if (!applets_desc)
return;
/* Parse description */
applets = g_strsplit (applets_desc, ",", -1);
for (i = 0; applets[i]; i++) {
char **bits;
GtkWidget *applet;
bits = g_strsplit (applets[i], ":", 2);
applet = load_applet (bits[0],
bits[1],
panel_width,
panel_height);
if (applet)
pack_func (box, applet, FALSE, FALSE, 0);
g_strfreev (bits);
}
g_strfreev (applets);
}
int
main (int argc, char **argv)
{
GOptionContext *option_context;
GOptionGroup *option_group;
GError *error;
char *geometry = NULL, *start_applets = NULL, *end_applets = NULL;
GtkWidget *window, *box;
int panel_width, panel_height;
GOptionEntry option_entries[] = {
{ "geometry", 0, 0, G_OPTION_ARG_STRING, &geometry,
"Panel geometry", "[WIDTH][xHEIGHT][{+-}X[{+-}Y]]" },
{ "start-applets", 0, 0, G_OPTION_ARG_STRING, &start_applets,
"Applets to pack at the start", "APPLET[:APPLET_ID] ..." },
{ "end-applets", 0, 0, G_OPTION_ARG_STRING, &end_applets,
"Applets to pack at the end", "APPLET[:APPLET_ID] ..." },
{ NULL }
};
/* Make sure that GModule is supported */
if (!g_module_supported ()) {
g_warning (_("gmodule support not found. gmodule support is "
"required for matchbox-panel to work"));
return -1;
}
/* Set up command line handling */
option_context = g_option_context_new (NULL);
option_group = g_option_group_new ("matchbox-panel",
N_("Matchbox Panel"),
N_("Matchbox Panel options"),
NULL, NULL);
g_option_group_add_entries (option_group, option_entries);
g_option_context_set_main_group (option_context, option_group);
g_option_context_add_group (option_context,
gtk_get_option_group (TRUE));
/* Parse command line */
error = NULL;
if (!g_option_context_parse (option_context, &argc, &argv, &error)) {
g_option_context_free (option_context);
g_warning ("%s", error->message);
g_error_free (error);
return 1;
}
g_option_context_free (option_context);
/* Set app name */
g_set_application_name (_("Matchbox Panel"));
/* Create window */
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_type_hint (GTK_WINDOW (window),
GDK_WINDOW_TYPE_HINT_DOCK);
/* Set default panel height */
gtk_window_set_default_size (GTK_WINDOW (window),
-1,
DEFAULT_HEIGHT);
/* Parse geometry string */
if (geometry) {
if (!gtk_window_parse_geometry (GTK_WINDOW (window),
geometry)) {
g_warning ("Failed to parse geometry string");
gtk_widget_destroy (window);
return 1;
}
}
/* Determine window size */
gtk_window_get_size (GTK_WINDOW (window), &panel_width, &panel_height);
/* Is this a horizontal or a vertical layout? */
if (panel_width >= panel_height)
box = gtk_hbox_new (FALSE, 0);
else
box = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (window), box);
gtk_widget_show (box);
/* Load applets */
load_applets (start_applets,
GTK_BOX (box),
gtk_box_pack_start, panel_width, panel_height);
load_applets (end_applets,
GTK_BOX (box),
gtk_box_pack_end, panel_width, panel_height);
/* And go! */
gtk_widget_show (window);
gtk_main ();
/* Cleanup */
gtk_widget_destroy (window);
while (open_modules) {
g_module_close (open_modules->data);
open_modules = g_list_delete_link (open_modules,
open_modules);
}
return 0;
}
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