/*
Copyright (c) 2011 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 .
*/
namespace GnomePie {
/////////////////////////////////////////////////////////////////////////
/// A static class which stores all Pies. It can be used to add, delete
/// and open Pies.
/////////////////////////////////////////////////////////////////////////
public class PieManager : GLib.Object {
/////////////////////////////////////////////////////////////////////
/// A map of all Pies. It contains both, dynamic and persistent Pies.
/// They are associated to their ID's.
/////////////////////////////////////////////////////////////////////
public static Gee.HashMap all_pies { get; private set; }
/////////////////////////////////////////////////////////////////////
/// Stores all PieWindows which are currently opened. Should be
/// rarely more than two...
/////////////////////////////////////////////////////////////////////
public static Gee.HashSet opened_windows { get; private set; }
/////////////////////////////////////////////////////////////////////
/// Stores all global hotkeys.
/////////////////////////////////////////////////////////////////////
private static BindingManager bindings;
/////////////////////////////////////////////////////////////////////
/// True, if any pie has the current focus. If it is closing this
/// will be false already.
/////////////////////////////////////////////////////////////////////
private static bool a_pie_is_active = false;
/////////////////////////////////////////////////////////////////////
/// Initializes all Pies. They are loaded from the pies.conf file.
/////////////////////////////////////////////////////////////////////
public static void init() {
all_pies = new Gee.HashMap();
opened_windows = new Gee.HashSet();
bindings = new BindingManager();
// load all Pies from th pies.conf file
Pies.load();
// open the according pie if it's hotkey is pressed
bindings.on_press.connect((id) => {
open_pie(id);
});
}
/////////////////////////////////////////////////////////////////////
/// Opens the Pie with the given ID, if it exists.
/////////////////////////////////////////////////////////////////////
public static void open_pie(string id) {
if (!a_pie_is_active) {
Pie? pie = all_pies[id];
if (pie != null) {
a_pie_is_active = true;
var window = new PieWindow();
window.load_pie(pie);
window.open();
opened_windows.add(window);
window.on_closed.connect(() => {
opened_windows.remove(window);
});
window.on_closing.connect(() => {
a_pie_is_active = false;
});
} else {
warning("Failed to open pie with ID \"" + id + "\": ID does not exist!");
}
}
}
/////////////////////////////////////////////////////////////////////
/// Returns the hotkey which the Pie with the given ID is bound to.
/////////////////////////////////////////////////////////////////////
public static string get_accelerator_of(string id) {
return bindings.get_accelerator_of(id);
}
/////////////////////////////////////////////////////////////////////
/// Returns a human-readable version of the hotkey which the Pie
/// with the given ID is bound to.
/////////////////////////////////////////////////////////////////////
public static string get_accelerator_label_of(string id) {
return bindings.get_accelerator_label_of(id);
}
/////////////////////////////////////////////////////////////////////
/// Bind the Pie with the given ID to the given trigger.
/////////////////////////////////////////////////////////////////////
public static void bind_trigger(Trigger trigger, string id) {
bindings.unbind(id);
bindings.bind(trigger, id);
}
/////////////////////////////////////////////////////////////////////
/// Returns true if the pie with the given id is in turbo mode.
/////////////////////////////////////////////////////////////////////
public static bool get_is_turbo(string id) {
return bindings.get_is_turbo(id);
}
/////////////////////////////////////////////////////////////////////
/// Returns true if the pie with the given id opens in the middle of
/// the screen.
/////////////////////////////////////////////////////////////////////
public static bool get_is_centered(string id) {
return bindings.get_is_centered(id);
}
/////////////////////////////////////////////////////////////////////
/// Returns the name of the Pie with the given ID.
/////////////////////////////////////////////////////////////////////
public static string get_name_of(string id) {
Pie? pie = all_pies[id];
if (pie == null) return "";
else return pie.name;
}
/////////////////////////////////////////////////////////////////////
/// Returns the name ID of the Pie bound to the given Trigger.
/// Returns "" if there is nothing bound to this trigger.
/////////////////////////////////////////////////////////////////////
public static string get_assigned_id(Trigger trigger) {
return bindings.get_assigned_id(trigger);
}
/////////////////////////////////////////////////////////////////////
/// Creates a new Pie which is displayed in the configuration dialog
/// and gets saved.
/////////////////////////////////////////////////////////////////////
public static Pie create_persistent_pie(string name, string icon_name, Trigger? hotkey, string? desired_id = null) {
Pie pie = create_pie(name, icon_name, 100, 999, desired_id);
if (hotkey != null) bindings.bind(hotkey, pie.id);
create_launcher(pie.id);
return pie;
}
/////////////////////////////////////////////////////////////////////
/// Creates a new Pie which is not displayed in the configuration
/// dialog and is not saved.
/////////////////////////////////////////////////////////////////////
public static Pie create_dynamic_pie(string name, string icon_name, string? desired_id = null) {
return create_pie(name, icon_name, 1000, 9999, desired_id);
}
/////////////////////////////////////////////////////////////////////
/// Adds a new Pie. Can't be accesd from outer scope. Use
/// create_persistent_pie or create_dynamic_pie instead.
/////////////////////////////////////////////////////////////////////
private static Pie create_pie(string name, string icon_name, int min_id, int max_id, string? desired_id = null) {
var random = new GLib.Rand();
string final_id;
if (desired_id == null)
final_id = random.int_range(min_id, max_id).to_string();
else {
final_id = desired_id;
final_id.canon("0123456789", '_');
final_id = final_id.replace("_", "");
int id = int.parse(final_id);
if (id < min_id || id > max_id) {
final_id = random.int_range(min_id, max_id).to_string();
warning("The ID for pie \"" + name + "\" should be in range %u - %u! Using \"" + final_id + "\" instead of \"" + desired_id + "\"...", min_id, max_id);
}
}
if (all_pies.has_key(final_id)) {
var tmp = final_id;
var id_number = int.parse(final_id) + 1;
if (id_number == max_id+1) id_number = min_id;
final_id = id_number.to_string();
warning("Trying to add pie \"" + name + "\": ID \"" + tmp + "\" already exists! Using \"" + final_id + "\" instead...");
return create_pie(name, icon_name, min_id, max_id, final_id);
}
Pie pie = new Pie(final_id, name, icon_name);
all_pies.set(final_id, pie);
return pie;
}
/////////////////////////////////////////////////////////////////////
/// Removes the Pie with the given ID if it exists. Additionally it
/// unbinds it's global hotkey.
/////////////////////////////////////////////////////////////////////
public static void remove_pie(string id) {
if (all_pies.has_key(id)) {
all_pies[id].on_remove();
all_pies.unset(id);
bindings.unbind(id);
if (id.length == 3)
remove_launcher(id);
}
else {
warning("Failed to remove pie with ID \"" + id + "\": ID does not exist!");
}
}
/////////////////////////////////////////////////////////////////////
/// Creates a desktop file for which opens the Pie with given ID.
/////////////////////////////////////////////////////////////////////
public static void create_launcher(string id) {
if (all_pies.has_key(id)) {
Pie? pie = all_pies[id];
string launcher_entry =
"#!/usr/bin/env xdg-open\n" +
"[Desktop Entry]\n" +
"Name=%s\n".printf(pie.name) +
"Exec=%s -o %s\n".printf(Paths.executable, pie.id) +
"Encoding=UTF-8\n" +
"Type=Application\n" +
"Icon=%s\n".printf(pie.icon);
// create the launcher file
string launcher = Paths.launchers + "/%s.desktop".printf(pie.id);
try {
FileUtils.set_contents(launcher, launcher_entry);
FileUtils.chmod(launcher, 0755);
} catch (Error e) {
warning(e.message);
}
}
}
/////////////////////////////////////////////////////////////////////
/// Deletes the desktop file for the Pie with the given ID.
/////////////////////////////////////////////////////////////////////
private static void remove_launcher(string id) {
string launcher = Paths.launchers + "/%s.desktop".printf(id);
if (FileUtils.test(launcher, FileTest.EXISTS)) {
FileUtils.remove(launcher);
}
}
}
}