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/////////////////////////////////////////////////////////////////////////
// Copyright (c) 2011-2016 by Simon Schneegans
//
// 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, either version 3 of the License, or (at
// your option) any later version.
//
// 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/>.
/////////////////////////////////////////////////////////////////////////
namespace GnomePie {
/////////////////////////////////////////////////////////////////////////
/// This class runs in the background. It has an Indicator sitting in the
/// user's panel. It initializes everything and guarantees that there is
/// only one instance of Gnome-Pie running.
/////////////////////////////////////////////////////////////////////////
public class Daemon : GLib.Application {
/////////////////////////////////////////////////////////////////////
/// The current version of Gnome-Pie
/////////////////////////////////////////////////////////////////////
public static string version;
/////////////////////////////////////////////////////////////////////
/// Varaibles set by the commend line parser.
/////////////////////////////////////////////////////////////////////
public static bool disable_header_bar = false;
public static bool disable_stack_switcher = false;
/////////////////////////////////////////////////////////////////////
/// true if init_pies() has been called already
/////////////////////////////////////////////////////////////////////
private bool initialized = false;
/////////////////////////////////////////////////////////////////////
/// The beginning of everything.
/////////////////////////////////////////////////////////////////////
public static int main(string[] args) {
version = "0.6.9";
// disable overlay scrollbar --- hacky workaround for black /
// transparent background
GLib.Environment.set_variable("LIBOVERLAY_SCROLLBAR", "0", true);
Logger.init();
Gtk.init(ref args);
Paths.init();
// create the Daemon and run it
var deamon = new GnomePie.Daemon();
deamon.run(args);
return 0;
}
/////////////////////////////////////////////////////////////////////
/// The AppIndicator of Gnome-Pie.
/////////////////////////////////////////////////////////////////////
private Indicator indicator = null;
/////////////////////////////////////////////////////////////////////
/// Varaibles set by the commend line parser.
/////////////////////////////////////////////////////////////////////
private static string open_pie = null;
private static bool reset = false;
private static bool print_ids = false;
private static bool handled_local_args = false;
/////////////////////////////////////////////////////////////////////
/// Available command line options.
/////////////////////////////////////////////////////////////////////
private const GLib.OptionEntry[] options = {
{ "open", 'o', 0, GLib.OptionArg.STRING,
out open_pie,
"Open the Pie with the given ID", "ID" },
{ "reset", 'r', 0, GLib.OptionArg.NONE,
out reset,
"Reset all options to default values" },
{ "no-header-bar", 'b', 0, GLib.OptionArg.NONE,
out disable_header_bar,
"Disables the usage of GTK.HeaderBar" },
{ "no-stack-switcher", 's', 0, GLib.OptionArg.NONE,
out disable_stack_switcher,
"Disables the usage of GTK.StackSwitcher" },
{ "print-ids", 'p', 0, GLib.OptionArg.NONE,
out print_ids,
"Prints all Pie names with their according IDs" },
{ null }
};
/////////////////////////////////////////////////////////////////////
/// C'tor of the Daemon. It checks whether it's the first running
/// instance of Gnome-Pie.
/////////////////////////////////////////////////////////////////////
public Daemon() {
Object(application_id: "org.gnome.gnomepie",
flags: GLib.ApplicationFlags.HANDLES_COMMAND_LINE);
// init locale support
Intl.bindtextdomain("gnomepie", Paths.locales);
Intl.textdomain("gnomepie");
// connect SigHandlers
Posix.signal(Posix.SIGINT, sig_handler);
Posix.signal(Posix.SIGTERM, sig_handler);
this.startup.connect(()=>{
message("Welcome to Gnome-Pie " + version + "!");
this.init_pies();
// launch the indicator
this.indicator = new Indicator();
if (open_pie != null && open_pie != "") {
PieManager.open_pie(open_pie);
open_pie = "";
}
// finished loading... so run the prog!
message("Started happily...");
hold();
});
}
/////////////////////////////////////////////////////////////////////
/// Call handle_command_line on program launch.
/////////////////////////////////////////////////////////////////////
protected override bool local_command_line(
ref unowned string[] args, out int exit_status) {
exit_status = 0;
// copy command line
string*[] _args = new string[args.length];
for (int i = 0; i < args.length; i++) {
_args[i] = args[i];
}
return handle_command_line(_args, false);
}
/////////////////////////////////////////////////////////////////////
/// Call handle_command_line when a remote instance was launched.
/////////////////////////////////////////////////////////////////////
protected override int command_line(GLib.ApplicationCommandLine cmd) {
if (handled_local_args) {
string[] tmp = cmd.get_arguments();
unowned string[] remote_args = tmp;
handle_command_line(remote_args, true);
}
handled_local_args = true;
return 0;
}
/////////////////////////////////////////////////////////////////////
/// Print a nifty message when the prog is killed.
/////////////////////////////////////////////////////////////////////
private static void sig_handler(int sig) {
stdout.printf("\n");
message("Caught signal (%d), bye!".printf(sig));
GLib.Application.get_default().release();
}
/////////////////////////////////////////////////////////////////////
/// Print a nifty message when the prog is killed.
/////////////////////////////////////////////////////////////////////
private void init_pies() {
if (!this.initialized) {
// init static stuff
ActionRegistry.init();
GroupRegistry.init();
// load all pies
PieManager.init();
// initialize icon cache
Icon.init();
this.initialized = true;
}
}
/////////////////////////////////////////////////////////////////////
/// Handles command line parameters.
/////////////////////////////////////////////////////////////////////
private bool handle_command_line(string[] args, bool called_from_remote) {
var context = new GLib.OptionContext(" - Launches the pie menu for linux.");
context.add_main_entries(options, null);
context.add_group(Gtk.get_option_group(false));
try {
context.parse(ref args);
} catch(GLib.OptionError error) {
warning(error.message);
message("Run '%s' to launch Gnome-Pie or run '%s --help' to" +
" see a full list of available command line options.\n",
args[0], args[0]);
}
if (reset) {
if (GLib.FileUtils.remove(Paths.pie_config) == 0) {
message("Removed file \"%s\"", Paths.pie_config);
}
if (GLib.FileUtils.remove(Paths.settings) == 0) {
message("Removed file \"%s\"", Paths.settings);
}
// do not notify the already running instance (if any)
return true;
}
if (print_ids) {
this.init_pies();
PieManager.print_ids();
print_ids = false;
// do not notify the already running instance (if any)
return true;
}
if (called_from_remote) {
if (open_pie != null && open_pie != "") {
PieManager.open_pie(open_pie);
open_pie = "";
} else {
this.indicator.show_preferences();
}
}
// notify the already running instance (if any)
return false;
}
}
}
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