git.iko.soy/unity8
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unity8/plugins/GlobalShortcut/globalshortcutregistry.cpp
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1/*
2 * Copyright (C) 2015 Canonical, Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 3.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
17#include <QDebug>
18#include <QGuiApplication>
19#include <QKeyEvent>
20#include <QKeySequence>
22#include "globalshortcutregistry.h"
24static qulonglong s_windowId = 0;
26GlobalShortcutRegistry::GlobalShortcutRegistry(QObject *parent)
27 : QObject(parent)
31GlobalShortcutList GlobalShortcutRegistry::shortcuts() const
33 return m_shortcuts;
36bool GlobalShortcutRegistry::hasShortcut(const QVariant &seq) const
38 return m_shortcuts.contains(seq);
41void GlobalShortcutRegistry::addShortcut(const QVariant &seq, GlobalShortcut *sc)
43 if (sc) {
44 if (!m_shortcuts.contains(seq)) { // create a new entry
45 m_shortcuts.insert(seq, {sc});
46 } else { // append to an existing one
47 auto shortcuts = m_shortcuts[seq];
48 shortcuts.append(sc);
49 m_shortcuts.insert(seq, shortcuts);
50 }
52 connect(sc, &GlobalShortcut::destroyed, this, &GlobalShortcutRegistry::removeShortcut);
53 }
56void GlobalShortcutRegistry::removeShortcut(QObject *obj)
58 QMutableMapIterator<QVariant, QVector<QPointer<GlobalShortcut>>> it(m_shortcuts);
59 while (it.hasNext()) {
60 it.next();
61 GlobalShortcut * scObj = static_cast<GlobalShortcut *>(obj);
62 if (scObj && it.value().contains(scObj)) {
63 it.value().removeAll(scObj);
64 if (it.value().isEmpty()) {
65 it.remove();
66 }
67 }
68 }
71bool GlobalShortcutRegistry::eventFilter(QObject *obj, QEvent *event)
73 Q_ASSERT(m_filteredWindow);
74 Q_ASSERT(obj == static_cast<QObject*>(m_filteredWindow.data()));
76 if (event->type() == QEvent::KeyPress || event->type() == QEvent::KeyRelease) {
78 QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
80 // Make a copy of the event so we don't alter it for passing on.
81 QKeyEvent eCopy(keyEvent->type(),
82 keyEvent->key(),
83 keyEvent->modifiers(),
84 keyEvent->text(),
85 keyEvent->isAutoRepeat(),
86 keyEvent->count());
87 eCopy.ignore();
89 int seq = keyEvent->key() + keyEvent->modifiers();
90 if (m_shortcuts.contains(seq)) {
91 const auto shortcuts = m_shortcuts.value(seq);
92 Q_FOREACH(const auto &shortcut, shortcuts) {
93 if (shortcut) {
94 qApp->sendEvent(shortcut, &eCopy);
95 }
96 }
97 }
99 return eCopy.isAccepted();
100 }
102 return QObject::eventFilter(obj, event);
105void GlobalShortcutRegistry::setupFilterOnWindow(qulonglong wid)
107 if (wid == s_windowId) {
108 return;
109 }
111 if (m_filteredWindow) {
112 m_filteredWindow->removeEventFilter(this);
113 m_filteredWindow.clear();
114 s_windowId = 0;
115 }
117 Q_FOREACH(QWindow *window, qApp->allWindows()) {
118 if (window && window->winId() == wid) {
119 m_filteredWindow = window;
120 window->installEventFilter(this);
121 s_windowId = wid;
122 break;
123 }
124 }