72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
// vim: set tabstop=4 shiftwidth=4 expandtab:
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/*
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Gwenview: an image viewer
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Copyright 2014 Aurélien Gâteau <agateau@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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// Self
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#include <disabledactionshortcutmonitor.h>
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// Local
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// KF
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// Qt
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#include <QAction>
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#include <QEvent>
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#include <QShortcut>
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#include <QWidget>
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namespace Gwenview
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{
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class DisabledActionShortcutMonitorPrivate
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{
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public:
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QShortcut *mShortcut = nullptr;
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};
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DisabledActionShortcutMonitor::DisabledActionShortcutMonitor(QAction *action, QObject *parent)
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: QObject(parent)
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, d(new DisabledActionShortcutMonitorPrivate)
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{
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d->mShortcut = new QShortcut(parent);
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connect(d->mShortcut, &QShortcut::activated, this, &DisabledActionShortcutMonitor::activated);
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action->installEventFilter(this);
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}
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DisabledActionShortcutMonitor::~DisabledActionShortcutMonitor()
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{
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delete d->mShortcut;
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delete d;
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}
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bool DisabledActionShortcutMonitor::eventFilter(QObject *object, QEvent *event)
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{
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if (event->type() == QEvent::ActionChanged) {
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auto action = static_cast<QAction *>(object);
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if (action->isEnabled()) {
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// Unset the shortcut otherwise we get a dialog complaining about
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// ambiguous shortcuts when the user tries to trigger the action
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d->mShortcut->setKey(QKeySequence());
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} else {
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d->mShortcut->setKey(action->shortcut());
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}
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}
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return false;
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}
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} // namespace
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#include "moc_disabledactionshortcutmonitor.cpp"
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