Files
cantata/support/keysequencewidget.h
2018-01-08 23:01:25 +01:00

111 lines
4.0 KiB
C++

/***************************************************************************
* Copyright (C) 2005-2015 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This class has been inspired by KDE's KKeySequenceWidget and uses *
* some code snippets of its implementation, part of kdelibs. *
* The original file is *
* Copyright (C) 1998 Mark Donohoe <donohoe@kde.org> *
* Copyright (C) 2001 Ellis Whitehead <ellis@kde.org> *
* Copyright (C) 2007 Andreas Hartmetz <ahartmetz@gmail.com> *
* *
* 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 2 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, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef KEYSEQUENCEWIDGET_H
#define KEYSEQUENCEWIDGET_H
#include <QKeySequence>
#include <QPushButton>
#include <QSet>
#include <QWidget>
#include "shortcutsmodel.h"
class Action;
class ActionCollection;
class KeySequenceButton;
class QToolButton;
class KeySequenceWidget : public QWidget
{
Q_OBJECT
public:
KeySequenceWidget(QWidget *parent = nullptr);
void setModel(ShortcutsModel *model);
public slots:
void setKeySequence(const QKeySequence &seq);
signals:
/**
* This signal is emitted when the current key sequence has changed by user input
* \param seq The key sequence the user has chosen
* \param conflicting The index of an action that needs to have its shortcut removed. The user has already been
* asked to agree (if he declines, this signal won't be emitted at all).
*/
void keySequenceChanged(const QKeySequence &seq, const QModelIndex &conflicting = QModelIndex());
void clicked();
private slots:
void updateShortcutDisplay();
void startRecording();
void cancelRecording();
void clear();
private:
inline bool isRecording() const { return _isRecording; }
void doneRecording();
bool isOkWhenModifierless(int keyQt) const;
bool isShiftAsModifierAllowed(int keyQt) const;
bool isKeySequenceAvailable(const QKeySequence &seq);
ShortcutsModel *_shortcutsModel;
bool _isRecording;
QKeySequence _keySequence, _oldKeySequence;
uint _modifierKeys;
QModelIndex _conflictingIndex;
KeySequenceButton *_keyButton;
QToolButton *_clearButton;
friend class KeySequenceButton;
};
/*****************************************************************************/
class KeySequenceButton : public QPushButton
{
Q_OBJECT
public:
explicit KeySequenceButton(KeySequenceWidget *d, QWidget *parent = nullptr);
protected:
bool event(QEvent *event) override;
void keyPressEvent(QKeyEvent *event) override;
void keyReleaseEvent(QKeyEvent *event) override;
private:
KeySequenceWidget *d;
};
#endif // KEYSEQUENCEWIDGET_H