1/***************************************************************************
2 * Copyright (C) 2005-2014 by the Quassel Project *
3 * devel@quassel-irc.org *
4 * *
5 * This class has been inspired by KDE's KKeySequenceWidget and uses *
6 * some code snippets of its implementation, part of kdelibs. *
7 * The original file is *
8 * Copyright (C) 1998 Mark Donohoe <donohoe@kde.org> *
9 * Copyright (C) 2001 Ellis Whitehead <ellis@kde.org> *
10 * Copyright (C) 2007 Andreas Hartmetz <ahartmetz@gmail.com> *
11 * *
12 * This program is free software; you can redistribute it and/or modify *
13 * it under the terms of the GNU General Public License as published by *
14 * the Free Software Foundation; either version 2 of the License, or *
15 * (at your option) any later version. *
16 * *
17 * This program is distributed in the hope that it will be useful, *
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
20 * GNU General Public License for more details. *
21 * *
22 * You should have received a copy of the GNU General Public License *
23 * along with this program; if not, write to the *
24 * Free Software Foundation, Inc., *
25 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
26 ***************************************************************************/
27
28#ifndef KEYSEQUENCEWIDGET_H
29#define KEYSEQUENCEWIDGET_H
30
31#include <QKeySequence>
32#include <QPushButton>
33#include <QSet>
34#include <QWidget>
35
36#include "shortcutsmodel.h"
37
38class Action;
39class ActionCollection;
40class KeySequenceButton;
41class QToolButton;
42
43class KeySequenceWidget : public QWidget
44{
45 Q_OBJECT
46public:
47 KeySequenceWidget(QWidget *parent = 0);
48
49 void setModel(ShortcutsModel *model);
50
51public slots:
52 void setKeySequence(const QKeySequence &seq);
53
54signals:
55 /**
56 * This signal is emitted when the current key sequence has changed by user input
57 * \param seq The key sequence the user has chosen
58 * \param conflicting The index of an action that needs to have its shortcut removed. The user has already been
59 * asked to agree (if he declines, this signal won't be emitted at all).
60 */
61 void keySequenceChanged(const QKeySequence &seq, const QModelIndex &conflicting = QModelIndex());
62
63 void clicked();
64
65private slots:
66 void updateShortcutDisplay();
67 void startRecording();
68 void cancelRecording();
69 void clear();
70
71private:
72 inline bool isRecording() const { return _isRecording; }
73 void doneRecording();
74
75 bool isOkWhenModifierless(int keyQt) const;
76 bool isShiftAsModifierAllowed(int keyQt) const;
77 bool isKeySequenceAvailable(const QKeySequence &seq);
78
79 ShortcutsModel *_shortcutsModel;
80 bool _isRecording;
81 QKeySequence _keySequence, _oldKeySequence;
82 uint _modifierKeys;
83 QModelIndex _conflictingIndex;
84
85 KeySequenceButton *_keyButton;
86 QToolButton *_clearButton;
87
88 friend class KeySequenceButton;
89};
90
91
92/*****************************************************************************/
93
94class KeySequenceButton : public QPushButton
95{
96 Q_OBJECT
97public:
98 explicit KeySequenceButton(KeySequenceWidget *d, QWidget *parent = 0);
99
100protected:
101 virtual bool event(QEvent *event);
102 virtual void keyPressEvent(QKeyEvent *event);
103 virtual void keyReleaseEvent(QKeyEvent *event);
104
105private:
106 KeySequenceWidget *d;
107};
108
109
110#endif // KEYSEQUENCEWIDGET_H
111