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Diffstat (limited to 'src/daemon.vala')
| -rw-r--r-- | src/daemon.vala | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/src/daemon.vala b/src/daemon.vala new file mode 100644 index 0000000..c5912b3 --- /dev/null +++ b/src/daemon.vala @@ -0,0 +1,262 @@ +///////////////////////////////////////////////////////////////////////// +// Copyright (c) 2011-2015 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 = "0.6.8"; + + // 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; + } +} + +} |