1 /*
2 * globalshortcutmanager.cpp - Class managing global shortcuts
3 * Copyright (C) 2006 Maciej Niedzielski
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 *
19 */
20
21 #include "globalshortcutmanager.h"
22
23 #include <QCoreApplication>
24
25 #include "globalshortcuttrigger.h"
26
27 /**
28 * \brief Constructs new GlobalShortcutManager.
29 */
GlobalShortcutManager()30 GlobalShortcutManager::GlobalShortcutManager()
31 : QObject(QCoreApplication::instance())
32 {
33 }
34
~GlobalShortcutManager()35 GlobalShortcutManager::~GlobalShortcutManager()
36 {
37 clear();
38 }
39
40 GlobalShortcutManager* GlobalShortcutManager::instance_ = 0;
41
42 /**
43 * \brief Returns the instance of GlobalShortcutManager.
44 */
instance()45 GlobalShortcutManager* GlobalShortcutManager::instance()
46 {
47 if (!instance_)
48 instance_ = new GlobalShortcutManager();
49 return instance_;
50 }
51
52 /**
53 * \brief Connects a key sequence with a slot.
54 * \param key, global shortcut to be connected
55 * \param receiver, object which should receive the notification
56 * \param slot, the SLOT() of the \a receiver which should be triggerd if the \a key is activated
57 */
connect(const QKeySequence & key,QObject * receiver,const char * slot)58 void GlobalShortcutManager::connect(const QKeySequence& key, QObject* receiver, const char* slot)
59 {
60 KeyTrigger* t = instance()->triggers_[key];
61 if (!t) {
62 t = new KeyTrigger(key);
63 instance()->triggers_.insert(key, t);
64 }
65
66 QObject::connect(t, SIGNAL(triggered()), receiver, slot);
67 }
68
69 /**
70 * \brief Disonnects a key sequence from a slot.
71 * \param key, global shortcut to be disconnected
72 * \param receiver, object which \a slot is about to be disconnected
73 * \param slot, the SLOT() of the \a receiver which should no longer be triggerd if the \a key is activated
74 */
disconnect(const QKeySequence & key,QObject * receiver,const char * slot)75 void GlobalShortcutManager::disconnect(const QKeySequence& key, QObject* receiver, const char* slot)
76 {
77 KeyTrigger* t = instance()->triggers_[key];
78 if (!t) {
79 return;
80 }
81
82 QObject::disconnect(t, SIGNAL(triggered()), receiver, slot);
83
84 if (!t->isUsed()) {
85 delete instance()->triggers_.take(key);
86 }
87 }
88
clear()89 void GlobalShortcutManager::clear()
90 {
91 foreach (KeyTrigger* t, instance()->triggers_)
92 delete t;
93 instance()->triggers_.clear();
94 }
95