qkeysequenceedit.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2015 The Qt Company Ltd.-
4** Copyright (C) 2013 Ivan Komissarov.-
5** Contact: http://www.qt.io/licensing/-
6**-
7** This file is part of the QtWidgets module of the Qt Toolkit.-
8**-
9** $QT_BEGIN_LICENSE:LGPL21$-
10** Commercial License Usage-
11** Licensees holding valid commercial Qt licenses may use this file in-
12** accordance with the commercial license agreement provided with the-
13** Software or, alternatively, in accordance with the terms contained in-
14** a written agreement between you and The Qt Company. For licensing terms-
15** and conditions see http://www.qt.io/terms-conditions. For further-
16** information use the contact form at http://www.qt.io/contact-us.-
17**-
18** GNU Lesser General Public License Usage-
19** Alternatively, this file may be used under the terms of the GNU Lesser-
20** General Public License version 2.1 or version 3 as published by the Free-
21** Software Foundation and appearing in the file LICENSE.LGPLv21 and-
22** LICENSE.LGPLv3 included in the packaging of this file. Please review the-
23** following information to ensure the GNU Lesser General Public License-
24** requirements will be met: https://www.gnu.org/licenses/lgpl.html and-
25** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.-
26**-
27** As a special exception, The Qt Company gives you certain additional-
28** rights. These rights are described in The Qt Company LGPL Exception-
29** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.-
30**-
31** $QT_END_LICENSE$-
32**-
33****************************************************************************/-
34-
35#include "qkeysequenceedit.h"-
36#include "qkeysequenceedit_p.h"-
37-
38#include "qboxlayout.h"-
39#include "qlineedit.h"-
40-
41QT_BEGIN_NAMESPACE-
42-
43#ifndef QT_NO_KEYSEQUENCEEDIT-
44-
45Q_STATIC_ASSERT(QKeySequencePrivate::MaxKeyCount == 4); // assumed by the code around here-
46-
47void QKeySequenceEditPrivate::init()-
48{-
49 Q_Q(QKeySequenceEdit);-
50-
51 lineEdit = new QLineEdit(q);-
52 lineEdit->setObjectName(QStringLiteral("qt_keysequenceedit_lineedit"));
never executed: return qstring_literal_temp;
0
53 keyNum = 0;-
54 prevKey = -1;-
55 releaseTimer = 0;-
56-
57 QVBoxLayout *layout = new QVBoxLayout(q);-
58 layout->setContentsMargins(0, 0, 0, 0);-
59 layout->addWidget(lineEdit);-
60-
61 key[0] = key[1] = key[2] = key[3] = 0;-
62-
63 lineEdit->setFocusProxy(q);-
64 lineEdit->installEventFilter(q);-
65 resetState();-
66-
67 q->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);-
68 q->setFocusPolicy(Qt::StrongFocus);-
69 q->setAttribute(Qt::WA_MacShowFocusRect, true);-
70 q->setAttribute(Qt::WA_InputMethodEnabled, false);-
71-
72 // TODO: add clear button-
73}
never executed: end of block
0
74-
75int QKeySequenceEditPrivate::translateModifiers(Qt::KeyboardModifiers state, const QString &text)-
76{-
77 int result = 0;-
78 // The shift modifier only counts when it is not used to type a symbol-
79 // that is only reachable using the shift key anyway-
80 if ((state & Qt::ShiftModifier) && (text.isEmpty() ||
(state & Qt::ShiftModifier)Description
TRUEnever evaluated
FALSEnever evaluated
text.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
81 !text.at(0).isPrint() ||
!text.at(0).isPrint()Description
TRUEnever evaluated
FALSEnever evaluated
0
82 text.at(0).isLetterOrNumber() ||
text.at(0).isLetterOrNumber()Description
TRUEnever evaluated
FALSEnever evaluated
0
83 text.at(0).isSpace()))
text.at(0).isSpace()Description
TRUEnever evaluated
FALSEnever evaluated
0
84 result |= Qt::SHIFT;
never executed: result |= Qt::SHIFT;
0
85-
86 if (state & Qt::ControlModifier)
state & Qt::ControlModifierDescription
TRUEnever evaluated
FALSEnever evaluated
0
87 result |= Qt::CTRL;
never executed: result |= Qt::CTRL;
0
88 if (state & Qt::MetaModifier)
state & Qt::MetaModifierDescription
TRUEnever evaluated
FALSEnever evaluated
0
89 result |= Qt::META;
never executed: result |= Qt::META;
0
90 if (state & Qt::AltModifier)
state & Qt::AltModifierDescription
TRUEnever evaluated
FALSEnever evaluated
0
91 result |= Qt::ALT;
never executed: result |= Qt::ALT;
0
92 return result;
never executed: return result;
0
93}-
94-
95void QKeySequenceEditPrivate::resetState()-
96{-
97 Q_Q(QKeySequenceEdit);-
98-
99 if (releaseTimer) {
releaseTimerDescription
TRUEnever evaluated
FALSEnever evaluated
0
100 q->killTimer(releaseTimer);-
101 releaseTimer = 0;-
102 }
never executed: end of block
0
103 prevKey = -1;-
104 lineEdit->setText(keySequence.toString(QKeySequence::NativeText));-
105 lineEdit->setPlaceholderText(QKeySequenceEdit::tr("Press shortcut"));-
106}
never executed: end of block
0
107-
108void QKeySequenceEditPrivate::finishEditing()-
109{-
110 Q_Q(QKeySequenceEdit);-
111-
112 resetState();-
113 emit q->keySequenceChanged(keySequence);-
114 emit q->editingFinished();-
115}
never executed: end of block
0
116-
117/*!-
118 \class QKeySequenceEdit-
119 \brief The QKeySequenceEdit widget allows to input a QKeySequence.-
120-
121 \inmodule QtWidgets-
122-
123 \since 5.2-
124-
125 This widget lets the user choose a QKeySequence, which is usually used as-
126 a shortcut. The recording is initiated when the widget receives the focus-
127 and ends one second after the user releases the last key.-
128-
129 \sa QKeySequenceEdit::keySequence-
130*/-
131-
132/*!-
133 Constructs a QKeySequenceEdit widget with the given \a parent.-
134*/-
135QKeySequenceEdit::QKeySequenceEdit(QWidget *parent) :-
136 QWidget(*new QKeySequenceEditPrivate, parent, 0)-
137{-
138 Q_D(QKeySequenceEdit);-
139 d->init();-
140}
never executed: end of block
0
141-
142/*!-
143 Constructs a QKeySequenceEdit widget with the given \a keySequence and \a parent.-
144*/-
145QKeySequenceEdit::QKeySequenceEdit(const QKeySequence &keySequence, QWidget *parent) :-
146 QWidget(*new QKeySequenceEditPrivate, parent, 0)-
147{-
148 Q_D(QKeySequenceEdit);-
149 d->init();-
150 setKeySequence(keySequence);-
151}
never executed: end of block
0
152-
153/*!-
154 \internal-
155*/-
156QKeySequenceEdit::QKeySequenceEdit(QKeySequenceEditPrivate &dd, QWidget *parent, Qt::WindowFlags f) :-
157 QWidget(dd, parent, f)-
158{-
159 Q_D(QKeySequenceEdit);-
160 d->init();-
161}
never executed: end of block
0
162-
163/*!-
164 Destroys the QKeySequenceEdit object.-
165*/-
166QKeySequenceEdit::~QKeySequenceEdit()-
167{-
168}-
169-
170/*!-
171 \property QKeySequenceEdit::keySequence-
172-
173 \brief This property contains the currently chosen key sequence.-
174-
175 The shortcut can be changed by the user or via setter function.-
176*/-
177QKeySequence QKeySequenceEdit::keySequence() const-
178{-
179 Q_D(const QKeySequenceEdit);-
180-
181 return d->keySequence;
never executed: return d->keySequence;
0
182}-
183-
184void QKeySequenceEdit::setKeySequence(const QKeySequence &keySequence)-
185{-
186 Q_D(QKeySequenceEdit);-
187-
188 d->resetState();-
189-
190 if (d->keySequence == keySequence)
d->keySequence == keySequenceDescription
TRUEnever evaluated
FALSEnever evaluated
0
191 return;
never executed: return;
0
192-
193 d->keySequence = keySequence;-
194-
195 d->key[0] = d->key[1] = d->key[2] = d->key[3] = 0;-
196 d->keyNum = keySequence.count();-
197 for (int i = 0; i < d->keyNum; ++i)
i < d->keyNumDescription
TRUEnever evaluated
FALSEnever evaluated
0
198 d->key[i] = keySequence[i];
never executed: d->key[i] = keySequence[i];
0
199-
200 d->lineEdit->setText(keySequence.toString(QKeySequence::NativeText));-
201-
202 emit keySequenceChanged(keySequence);-
203}
never executed: end of block
0
204-
205/*!-
206 \fn void QKeySequenceEdit::editingFinished()-
207-
208 This signal is emitted when the user finishes entering the shortcut.-
209-
210 \note there is a one second delay before releasing the last key and-
211 emitting this signal.-
212*/-
213-
214/*!-
215 \brief Clears the current key sequence.-
216*/-
217void QKeySequenceEdit::clear()-
218{-
219 setKeySequence(QKeySequence());-
220}
never executed: end of block
0
221-
222/*!-
223 \reimp-
224*/-
225bool QKeySequenceEdit::event(QEvent *e)-
226{-
227 switch (e->type()) {-
228 case QEvent::Shortcut:
never executed: case QEvent::Shortcut:
0
229 return true;
never executed: return true;
0
230 case QEvent::ShortcutOverride:
never executed: case QEvent::ShortcutOverride:
0
231 e->accept();-
232 return true;
never executed: return true;
0
233 default :
never executed: default :
0
234 break;
never executed: break;
0
235 }-
236-
237 return QWidget::event(e);
never executed: return QWidget::event(e);
0
238}-
239-
240/*!-
241 \reimp-
242*/-
243void QKeySequenceEdit::keyPressEvent(QKeyEvent *e)-
244{-
245 Q_D(QKeySequenceEdit);-
246-
247 int nextKey = e->key();-
248-
249 if (d->prevKey == -1) {
d->prevKey == -1Description
TRUEnever evaluated
FALSEnever evaluated
0
250 clear();-
251 d->prevKey = nextKey;-
252 }
never executed: end of block
0
253-
254 d->lineEdit->setPlaceholderText(QString());-
255 if (nextKey == Qt::Key_Control
nextKey == Qt::Key_ControlDescription
TRUEnever evaluated
FALSEnever evaluated
0
256 || nextKey == Qt::Key_Shift
nextKey == Qt::Key_ShiftDescription
TRUEnever evaluated
FALSEnever evaluated
0
257 || nextKey == Qt::Key_Meta
nextKey == Qt::Key_MetaDescription
TRUEnever evaluated
FALSEnever evaluated
0
258 || nextKey == Qt::Key_Alt) {
nextKey == Qt::Key_AltDescription
TRUEnever evaluated
FALSEnever evaluated
0
259 return;
never executed: return;
0
260 }-
261-
262 QString selectedText = d->lineEdit->selectedText();-
263 if (!selectedText.isEmpty() && selectedText == d->lineEdit->text()) {
!selectedText.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
selectedText =...neEdit->text()Description
TRUEnever evaluated
FALSEnever evaluated
0
264 clear();-
265 if (nextKey == Qt::Key_Backspace)
nextKey == Qt::Key_BackspaceDescription
TRUEnever evaluated
FALSEnever evaluated
0
266 return;
never executed: return;
0
267 }
never executed: end of block
0
268-
269 if (d->keyNum >= QKeySequencePrivate::MaxKeyCount)
d->keyNum >= Q...e::MaxKeyCountDescription
TRUEnever evaluated
FALSEnever evaluated
0
270 return;
never executed: return;
0
271-
272 nextKey |= d->translateModifiers(e->modifiers(), e->text());-
273-
274 d->key[d->keyNum] = nextKey;-
275 d->keyNum++;-
276-
277 QKeySequence key(d->key[0], d->key[1], d->key[2], d->key[3]);-
278 d->keySequence = key;-
279 QString text = key.toString(QKeySequence::NativeText);-
280 if (d->keyNum < QKeySequencePrivate::MaxKeyCount) {
d->keyNum < QK...e::MaxKeyCountDescription
TRUEnever evaluated
FALSEnever evaluated
0
281 //: This text is an "unfinished" shortcut, expands like "Ctrl+A, ..."-
282 text = tr("%1, ...").arg(text);-
283 }
never executed: end of block
0
284 d->lineEdit->setText(text);-
285 e->accept();-
286}
never executed: end of block
0
287-
288/*!-
289 \reimp-
290*/-
291void QKeySequenceEdit::keyReleaseEvent(QKeyEvent *e)-
292{-
293 Q_D(QKeySequenceEdit);-
294-
295 if (d->prevKey == e->key()) {
d->prevKey == e->key()Description
TRUEnever evaluated
FALSEnever evaluated
0
296 if (d->keyNum < QKeySequencePrivate::MaxKeyCount)
d->keyNum < QK...e::MaxKeyCountDescription
TRUEnever evaluated
FALSEnever evaluated
0
297 d->releaseTimer = startTimer(1000);
never executed: d->releaseTimer = startTimer(1000);
0
298 else-
299 d->finishEditing();
never executed: d->finishEditing();
0
300 }-
301 e->accept();-
302}
never executed: end of block
0
303-
304/*!-
305 \reimp-
306*/-
307void QKeySequenceEdit::timerEvent(QTimerEvent *e)-
308{-
309 Q_D(QKeySequenceEdit);-
310 if (e->timerId() == d->releaseTimer) {
e->timerId() =...->releaseTimerDescription
TRUEnever evaluated
FALSEnever evaluated
0
311 d->finishEditing();-
312 return;
never executed: return;
0
313 }-
314-
315 QWidget::timerEvent(e);-
316}
never executed: end of block
0
317-
318#endif // QT_NO_KEYSEQUENCEEDIT-
319-
320QT_END_NAMESPACE-
321-
322#include "moc_qkeysequenceedit.cpp"-
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