dialogs/qmessagebox.cpp

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11enum Button { Old_Ok = 1, Old_Cancel = 2, Old_Yes = 3, Old_No = 4, Old_Abort = 5, Old_Retry = 6, -
12 Old_Ignore = 7, Old_YesAll = 8, Old_NoAll = 9, Old_ButtonMask = 0xFF, -
13 NewButtonMask = 0xFFFFFC00 }; -
14 -
15enum DetailButtonLabel { ShowLabel = 0, HideLabel = 1 }; -
16 -
17class QMessageBoxDetailsText : public QWidget -
18{ -
19public: -
20 class TextEdit : public QTextEdit -
21 { -
22 public: -
23 TextEdit(QWidget *parent=0) : QTextEdit(parent) { }
-
24 void contextMenuEvent(QContextMenuEvent * e) -
25 { -
26 -
27 QMenu *menu = createStandardContextMenu(); -
28 menu->setAttribute(Qt::WA_DeleteOnClose); -
29 menu->popup(e->globalPos()); -
30 -
31 -
32 -
33 }
-
34 }; -
35 -
36 QMessageBoxDetailsText(QWidget *parent=0) -
37 : QWidget(parent) -
38 { -
39 QVBoxLayout *layout = new QVBoxLayout; -
40 layout->setMargin(0); -
41 QFrame *line = new QFrame(this); -
42 line->setFrameShape(QFrame::HLine); -
43 line->setFrameShadow(QFrame::Sunken); -
44 layout->addWidget(line); -
45 textEdit = new TextEdit(); -
46 textEdit->setFixedHeight(100); -
47 textEdit->setFocusPolicy(Qt::NoFocus); -
48 textEdit->setReadOnly(true); -
49 layout->addWidget(textEdit); -
50 setLayout(layout); -
51 }
-
52 void setText(const QString &text) { textEdit->setPlainText(text); }
-
53 QString text() const { return textEdit->toPlainText(); }
-
54private: -
55 TextEdit *textEdit; -
56}; -
57 -
58 -
59class DetailButton : public QPushButton -
60{ -
61public: -
62 DetailButton(QWidget *parent) : QPushButton(label(ShowLabel), parent) -
63 { -
64 setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed); -
65 }
-
66 -
67 QString label(DetailButtonLabel label) const -
68 { return label == ShowLabel ? QMessageBox::tr("Show Details...") : QMessageBox::tr("Hide Details..."); }
-
69 -
70 void setLabel(DetailButtonLabel lbl) -
71 { setText(label(lbl)); }
-
72 -
73 QSize sizeHint() const -
74 { -
75 ensurePolished(); -
76 QStyleOptionButton opt; -
77 initStyleOption(&opt); -
78 const QFontMetrics fm = fontMetrics(); -
79 opt.text = label(ShowLabel); -
80 QSize sz = fm.size(Qt::TextShowMnemonic, opt.text); -
81 QSize ret = style()->sizeFromContents(QStyle::CT_PushButton, &opt, sz, this). -
82 expandedTo(QApplication::globalStrut()); -
83 opt.text = label(HideLabel); -
84 sz = fm.size(Qt::TextShowMnemonic, opt.text); -
85 ret = ret.expandedTo(style()->sizeFromContents(QStyle::CT_PushButton, &opt, sz, this). -
86 expandedTo(QApplication::globalStrut())); -
87 return ret;
-
88 } -
89}; -
90 -
91 -
92class QMessageBoxPrivate : public QDialogPrivate -
93{ -
94 inline QMessageBox* q_func() { return static_cast<QMessageBox *>(q_ptr); } inline const QMessageBox* q_func() const { return static_cast<const QMessageBox *>(q_ptr); } friend class QMessageBox; -
95 -
96public: -
97 QMessageBoxPrivate() : escapeButton(0), defaultButton(0), clickedButton(0), detailsButton(0), -
98 -
99 detailsText(0), -
100 -
101 compatMode(false), autoAddOkButton(true), -
102 detectedEscapeButton(0), informativeLabel(0) { }
-
103 -
104 void init(const QString &title = QString(), const QString &text = QString()); -
105 void _q_buttonClicked(QAbstractButton *); -
106 -
107 QAbstractButton *findButton(int button0, int button1, int button2, int flags); -
108 void addOldButtons(int button0, int button1, int button2); -
109 -
110 QAbstractButton *abstractButtonForId(int id) const; -
111 int execReturnCode(QAbstractButton *button); -
112 -
113 void detectEscapeButton(); -
114 void updateSize(); -
115 int layoutMinimumWidth(); -
116 void retranslateStrings(); -
117 -
118 -
119 -
120 -
121 -
122 static int showOldMessageBox(QWidget *parent, QMessageBox::Icon icon, -
123 const QString &title, const QString &text, -
124 int button0, int button1, int button2); -
125 static int showOldMessageBox(QWidget *parent, QMessageBox::Icon icon, -
126 const QString &title, const QString &text, -
127 const QString &button0Text, -
128 const QString &button1Text, -
129 const QString &button2Text, -
130 int defaultButtonNumber, -
131 int escapeButtonNumber); -
132 -
133 static QMessageBox::StandardButton showNewMessageBox(QWidget *parent, -
134 QMessageBox::Icon icon, const QString& title, const QString& text, -
135 QMessageBox::StandardButtons buttons, QMessageBox::StandardButton defaultButton); -
136 -
137 static QPixmap standardIcon(QMessageBox::Icon icon, QMessageBox *mb); -
138 -
139 QLabel *label; -
140 QMessageBox::Icon icon; -
141 QLabel *iconLabel; -
142 QDialogButtonBox *buttonBox; -
143 QList<QAbstractButton *> customButtonList; -
144 QAbstractButton *escapeButton; -
145 QPushButton *defaultButton; -
146 QAbstractButton *clickedButton; -
147 DetailButton *detailsButton; -
148 -
149 QMessageBoxDetailsText *detailsText; -
150 -
151 bool compatMode; -
152 bool autoAddOkButton; -
153 QAbstractButton *detectedEscapeButton; -
154 QLabel *informativeLabel; -
155 QPointer<QObject> receiverToDisconnectOnClose; -
156 QByteArray memberToDisconnectOnClose; -
157 QByteArray signalToDisconnectOnClose; -
158}; -
159 -
160void QMessageBoxPrivate::init(const QString &title, const QString &text) -
161{ -
162 QMessageBox * const q = q_func(); -
163 -
164 label = new QLabel; -
165 label->setObjectName(QLatin1String("qt_msgbox_label")); -
166 label->setTextInteractionFlags(Qt::TextInteractionFlags(q->style()->styleHint(QStyle::SH_MessageBox_TextInteractionFlags, 0, q))); -
167 label->setAlignment(Qt::AlignVCenter | Qt::AlignLeft); -
168 label->setOpenExternalLinks(true); -
169 -
170 -
171 -
172 label->setContentsMargins(2, 0, 0, 0); -
173 label->setIndent(9); -
174 -
175 icon = QMessageBox::NoIcon; -
176 iconLabel = new QLabel; -
177 iconLabel->setObjectName(QLatin1String("qt_msgboxex_icon_label")); -
178 iconLabel->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed); -
179 -
180 buttonBox = new QDialogButtonBox; -
181 buttonBox->setObjectName(QLatin1String("qt_msgbox_buttonbox")); -
182 buttonBox->setCenterButtons(q->style()->styleHint(QStyle::SH_MessageBox_CenterButtons, 0, q)); -
183 QObject::connect(buttonBox, "2""clicked(QAbstractButton*)", -
184 q, "1""_q_buttonClicked(QAbstractButton*)"); -
185 -
186 QGridLayout *grid = new QGridLayout; -
187 -
188 grid->addWidget(iconLabel, 0, 0, 2, 1, Qt::AlignTop); -
189 grid->addWidget(label, 0, 1, 1, 1); -
190 -
191 grid->addWidget(buttonBox, 2, 0, 1, 2); -
192 grid->setSizeConstraint(QLayout::SetNoConstraint); -
193 q->setLayout(grid); -
194 -
195 if (!title.isEmpty() || !text.isEmpty()) {
-
196 q->setWindowTitle(title); -
197 q->setText(text); -
198 }
-
199 q->setModal(true); -
200 -
201 -
202 -
203 -
204 -
205 -
206 retranslateStrings(); -
207}
-
208 -
209int QMessageBoxPrivate::layoutMinimumWidth() -
210{ -
211 layout->activate(); -
212 return layout->totalMinimumSize().width();
-
213} -
214 -
215void QMessageBoxPrivate::updateSize() -
216{ -
217 QMessageBox * const q = q_func(); -
218 -
219 if (!q->isVisible())
-
220 return;
-
221 -
222 QSize screenSize = QApplication::desktop()->availableGeometry(QCursor::pos()).size(); -
223 -
224 -
225 -
226 -
227 int hardLimit = qMin(screenSize.width() - 480, 1000); -
228 -
229 if (screenSize.width() <= 1024)
-
230 hardLimit = screenSize.width();
-
231 -
232 -
233 -
234 -
235 -
236 -
237 int softLimit = qMin(screenSize.width()/2, 500); -
238 -
239 -
240 -
241 -
242 -
243 if (informativeLabel)
-
244 informativeLabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
-
245 -
246 label->setWordWrap(false); -
247 int width = layoutMinimumWidth(); -
248 -
249 if (width > softLimit) {
-
250 label->setWordWrap(true); -
251 width = qMax(softLimit, layoutMinimumWidth()); -
252 -
253 if (width > hardLimit) {
-
254 label->d_func()->ensureTextControl(); -
255 if (QWidgetTextControl *control = label->d_func()->control) {
-
256 QTextOption opt = control->document()->defaultTextOption(); -
257 opt.setWrapMode(QTextOption::WrapAnywhere); -
258 control->document()->setDefaultTextOption(opt); -
259 }
-
260 width = hardLimit; -
261 }
-
262 }
-
263 -
264 if (informativeLabel) {
-
265 label->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored); -
266 QSizePolicy policy(QSizePolicy::Minimum, QSizePolicy::Preferred); -
267 policy.setHeightForWidth(true); -
268 informativeLabel->setSizePolicy(policy); -
269 width = qMax(width, layoutMinimumWidth()); -
270 if (width > hardLimit) {
-
271 informativeLabel->d_func()->ensureTextControl(); -
272 if (QWidgetTextControl *control = informativeLabel->d_func()->control) {
-
273 QTextOption opt = control->document()->defaultTextOption(); -
274 opt.setWrapMode(QTextOption::WrapAnywhere); -
275 control->document()->setDefaultTextOption(opt); -
276 }
-
277 width = hardLimit; -
278 }
-
279 policy.setHeightForWidth(label->wordWrap()); -
280 label->setSizePolicy(policy); -
281 }
-
282 -
283 QFontMetrics fm(QApplication::font("QMdiSubWindowTitleBar")); -
284 int windowTitleWidth = qMin(fm.width(q->windowTitle()) + 50, hardLimit); -
285 if (windowTitleWidth > width)
-
286 width = windowTitleWidth;
-
287 -
288 layout->activate(); -
289 int height = (layout->hasHeightForWidth())
-
290 ? layout->totalHeightForWidth(width) -
291 : layout->totalMinimumSize().height(); -
292 -
293 q->setFixedSize(width, height); -
294 QCoreApplication::removePostedEvents(q, QEvent::LayoutRequest); -
295}
-
296static int oldButton(int button) -
297{ -
298 switch (button & QMessageBox::ButtonMask) { -
299 case QMessageBox::Ok: -
300 return Old_Ok;
-
301 case QMessageBox::Cancel: -
302 return Old_Cancel;
-
303 case QMessageBox::Yes: -
304 return Old_Yes;
-
305 case QMessageBox::No: -
306 return Old_No;
-
307 case QMessageBox::Abort: -
308 return Old_Abort;
-
309 case QMessageBox::Retry: -
310 return Old_Retry;
-
311 case QMessageBox::Ignore: -
312 return Old_Ignore;
-
313 case QMessageBox::YesToAll: -
314 return Old_YesAll;
-
315 case QMessageBox::NoToAll: -
316 return Old_NoAll;
-
317 default: -
318 return 0;
-
319 } -
320}
-
321 -
322int QMessageBoxPrivate::execReturnCode(QAbstractButton *button) -
323{ -
324 int ret = buttonBox->standardButton(button); -
325 if (ret == QMessageBox::NoButton) {
-
326 ret = customButtonList.indexOf(button); -
327 } else if (compatMode) {
-
328 ret = oldButton(ret); -
329 }
-
330 return ret;
-
331} -
332 -
333void QMessageBoxPrivate::_q_buttonClicked(QAbstractButton *button) -
334{ -
335 QMessageBox * const q = q_func(); -
336 -
337 if (detailsButton && detailsText && button == detailsButton) {
-
338 detailsButton->setLabel(detailsText->isHidden() ? HideLabel : ShowLabel); -
339 detailsText->setHidden(!detailsText->isHidden()); -
340 updateSize(); -
341 } else
-
342 -
343 { -
344 clickedButton = button; -
345 q->done(execReturnCode(button)); -
346 q->buttonClicked(button); -
347 -
348 if (receiverToDisconnectOnClose) {
-
349 QObject::disconnect(q, signalToDisconnectOnClose, receiverToDisconnectOnClose, -
350 memberToDisconnectOnClose); -
351 receiverToDisconnectOnClose = 0; -
352 }
-
353 signalToDisconnectOnClose.clear(); -
354 memberToDisconnectOnClose.clear(); -
355 }
-
356} -
357QMessageBox::QMessageBox(QWidget *parent) -
358 : QDialog(*new QMessageBoxPrivate, parent, Qt::MSWindowsFixedSizeDialogHint | Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint) -
359{ -
360 QMessageBoxPrivate * const d = d_func(); -
361 d->init(); -
362}
-
363QMessageBox::QMessageBox(Icon icon, const QString &title, const QString &text, -
364 StandardButtons buttons, QWidget *parent, -
365 Qt::WindowFlags f) -
366: QDialog(*new QMessageBoxPrivate, parent, f | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint) -
367{ -
368 QMessageBoxPrivate * const d = d_func(); -
369 d->init(title, text); -
370 setIcon(icon); -
371 if (buttons != NoButton)
-
372 setStandardButtons(buttons);
-
373}
-
374 -
375 -
376 -
377 -
378QMessageBox::~QMessageBox() -
379{ -
380} -
381void QMessageBox::addButton(QAbstractButton *button, ButtonRole role) -
382{ -
383 QMessageBoxPrivate * const d = d_func(); -
384 if (!button)
-
385 return;
-
386 removeButton(button); -
387 d->buttonBox->addButton(button, (QDialogButtonBox::ButtonRole)role); -
388 d->customButtonList.append(button); -
389 d->autoAddOkButton = false; -
390}
-
391QPushButton *QMessageBox::addButton(const QString& text, ButtonRole role) -
392{ -
393 QMessageBoxPrivate * const d = d_func(); -
394 QPushButton *pushButton = new QPushButton(text); -
395 addButton(pushButton, role); -
396 d->updateSize(); -
397 return pushButton;
-
398} -
399QPushButton *QMessageBox::addButton(StandardButton button) -
400{ -
401 QMessageBoxPrivate * const d = d_func(); -
402 QPushButton *pushButton = d->buttonBox->addButton((QDialogButtonBox::StandardButton)button); -
403 if (pushButton)
-
404 d->autoAddOkButton = false;
-
405 return pushButton;
-
406} -
407void QMessageBox::removeButton(QAbstractButton *button) -
408{ -
409 QMessageBoxPrivate * const d = d_func(); -
410 d->customButtonList.removeAll(button); -
411 if (d->escapeButton == button)
-
412 d->escapeButton = 0;
-
413 if (d->defaultButton == button)
-
414 d->defaultButton = 0;
-
415 d->buttonBox->removeButton(button); -
416 d->updateSize(); -
417}
-
418void QMessageBox::setStandardButtons(StandardButtons buttons) -
419{ -
420 QMessageBoxPrivate * const d = d_func(); -
421 d->buttonBox->setStandardButtons(QDialogButtonBox::StandardButtons(int(buttons))); -
422 -
423 QList<QAbstractButton *> buttonList = d->buttonBox->buttons(); -
424 if (!buttonList.contains(d->escapeButton))
-
425 d->escapeButton = 0;
-
426 if (!buttonList.contains(d->defaultButton))
-
427 d->defaultButton = 0;
-
428 d->autoAddOkButton = false; -
429 d->updateSize(); -
430}
-
431 -
432QMessageBox::StandardButtons QMessageBox::standardButtons() const -
433{ -
434 const QMessageBoxPrivate * const d = d_func(); -
435 return QMessageBox::StandardButtons(int(d->buttonBox->standardButtons()));
-
436} -
437QMessageBox::StandardButton QMessageBox::standardButton(QAbstractButton *button) const -
438{ -
439 const QMessageBoxPrivate * const d = d_func(); -
440 return (QMessageBox::StandardButton)d->buttonBox->standardButton(button);
-
441} -
442QAbstractButton *QMessageBox::button(StandardButton which) const -
443{ -
444 const QMessageBoxPrivate * const d = d_func(); -
445 return d->buttonBox->button(QDialogButtonBox::StandardButton(which));
-
446} -
447QAbstractButton *QMessageBox::escapeButton() const -
448{ -
449 const QMessageBoxPrivate * const d = d_func(); -
450 return d->escapeButton;
-
451} -
452void QMessageBox::setEscapeButton(QAbstractButton *button) -
453{ -
454 QMessageBoxPrivate * const d = d_func(); -
455 if (d->buttonBox->buttons().contains(button))
-
456 d->escapeButton = button;
-
457}
-
458void QMessageBox::setEscapeButton(QMessageBox::StandardButton button) -
459{ -
460 QMessageBoxPrivate * const d = d_func(); -
461 setEscapeButton(d->buttonBox->button(QDialogButtonBox::StandardButton(button))); -
462}
-
463 -
464void QMessageBoxPrivate::detectEscapeButton() -
465{ -
466 if (escapeButton) {
-
467 detectedEscapeButton = escapeButton; -
468 return;
-
469 } -
470 -
471 -
472 detectedEscapeButton = buttonBox->button(QDialogButtonBox::Cancel); -
473 if (detectedEscapeButton)
-
474 return;
-
475 -
476 -
477 const QList<QAbstractButton *> buttons = buttonBox->buttons(); -
478 if (buttons.count() == 1) {
-
479 detectedEscapeButton = buttons.first(); -
480 return;
-
481 } -
482 -
483 -
484 for (int i = 0; i < buttons.count(); i++) {
-
485 if (buttonBox->buttonRole(buttons.at(i)) == QDialogButtonBox::RejectRole) {
-
486 if (detectedEscapeButton) {
-
487 detectedEscapeButton = 0; -
488 break;
-
489 } -
490 detectedEscapeButton = buttons.at(i); -
491 }
-
492 }
-
493 if (detectedEscapeButton)
-
494 return;
-
495 -
496 -
497 for (int i = 0; i < buttons.count(); i++) {
-
498 if (buttonBox->buttonRole(buttons.at(i)) == QDialogButtonBox::NoRole) {
-
499 if (detectedEscapeButton) {
-
500 detectedEscapeButton = 0; -
501 break;
-
502 } -
503 detectedEscapeButton = buttons.at(i); -
504 }
-
505 }
-
506}
-
507QAbstractButton *QMessageBox::clickedButton() const -
508{ -
509 const QMessageBoxPrivate * const d = d_func(); -
510 return d->clickedButton;
-
511} -
512QPushButton *QMessageBox::defaultButton() const -
513{ -
514 const QMessageBoxPrivate * const d = d_func(); -
515 return d->defaultButton;
-
516} -
517void QMessageBox::setDefaultButton(QPushButton *button) -
518{ -
519 QMessageBoxPrivate * const d = d_func(); -
520 if (!d->buttonBox->buttons().contains(button))
-
521 return;
-
522 d->defaultButton = button; -
523 button->setDefault(true); -
524 button->setFocus(); -
525}
-
526void QMessageBox::setDefaultButton(QMessageBox::StandardButton button) -
527{ -
528 QMessageBoxPrivate * const d = d_func(); -
529 setDefaultButton(d->buttonBox->button(QDialogButtonBox::StandardButton(button))); -
530}
-
531QString QMessageBox::text() const -
532{ -
533 const QMessageBoxPrivate * const d = d_func(); -
534 return d->label->text();
-
535} -
536 -
537void QMessageBox::setText(const QString &text) -
538{ -
539 QMessageBoxPrivate * const d = d_func(); -
540 d->label->setText(text); -
541 d->label->setWordWrap(d->label->textFormat() == Qt::RichText -
542 || (d->label->textFormat() == Qt::AutoText && Qt::mightBeRichText(text))); -
543 d->updateSize(); -
544}
-
545QMessageBox::Icon QMessageBox::icon() const -
546{ -
547 const QMessageBoxPrivate * const d = d_func(); -
548 return d->icon;
-
549} -
550 -
551void QMessageBox::setIcon(Icon icon) -
552{ -
553 QMessageBoxPrivate * const d = d_func(); -
554 setIconPixmap(QMessageBoxPrivate::standardIcon((QMessageBox::Icon)icon, -
555 this)); -
556 d->icon = icon; -
557}
-
558QPixmap QMessageBox::iconPixmap() const -
559{ -
560 const QMessageBoxPrivate * const d = d_func(); -
561 if (d->iconLabel && d->iconLabel->pixmap())
-
562 return *d->iconLabel->pixmap();
-
563 return QPixmap();
-
564} -
565 -
566void QMessageBox::setIconPixmap(const QPixmap &pixmap) -
567{ -
568 QMessageBoxPrivate * const d = d_func(); -
569 d->iconLabel->setPixmap(pixmap); -
570 d->updateSize(); -
571 d->icon = NoIcon; -
572}
-
573Qt::TextFormat QMessageBox::textFormat() const -
574{ -
575 const QMessageBoxPrivate * const d = d_func(); -
576 return d->label->textFormat();
-
577} -
578 -
579void QMessageBox::setTextFormat(Qt::TextFormat format) -
580{ -
581 QMessageBoxPrivate * const d = d_func(); -
582 d->label->setTextFormat(format); -
583 d->label->setWordWrap(format == Qt::RichText -
584 || (format == Qt::AutoText && Qt::mightBeRichText(d->label->text()))); -
585 d->updateSize(); -
586}
-
587 -
588 -
589 -
590 -
591bool QMessageBox::event(QEvent *e) -
592{ -
593 bool result =QDialog::event(e); -
594 switch (e->type()) { -
595 case QEvent::LayoutRequest: -
596 d_func()->updateSize(); -
597 break;
-
598 case QEvent::LanguageChange: -
599 d_func()->retranslateStrings(); -
600 break;
-
601 default: -
602 break;
-
603 } -
604 return result;
-
605} -
606 -
607 -
608 -
609 -
610void QMessageBox::resizeEvent(QResizeEvent *event) -
611{ -
612 QDialog::resizeEvent(event); -
613}
-
614 -
615 -
616 -
617 -
618void QMessageBox::closeEvent(QCloseEvent *e) -
619{ -
620 QMessageBoxPrivate * const d = d_func(); -
621 if (!d->detectedEscapeButton) {
-
622 e->ignore(); -
623 return;
-
624 } -
625 QDialog::closeEvent(e); -
626 d->clickedButton = d->detectedEscapeButton; -
627 setResult(d->execReturnCode(d->detectedEscapeButton)); -
628}
-
629 -
630 -
631 -
632 -
633void QMessageBox::changeEvent(QEvent *ev) -
634{ -
635 QMessageBoxPrivate * const d = d_func(); -
636 switch (ev->type()) { -
637 case QEvent::StyleChange: -
638 { -
639 if (d->icon != NoIcon)
-
640 setIcon(d->icon);
-
641 Qt::TextInteractionFlags flags(style()->styleHint(QStyle::SH_MessageBox_TextInteractionFlags, 0, this)); -
642 d->label->setTextInteractionFlags(flags); -
643 d->buttonBox->setCenterButtons(style()->styleHint(QStyle::SH_MessageBox_CenterButtons, 0, this)); -
644 if (d->informativeLabel)
-
645 d->informativeLabel->setTextInteractionFlags(flags);
-
646 -
647 } -
648 case QEvent::FontChange: -
649 case QEvent::ApplicationFontChange: -
650 -
651 -
652 -
653 -
654 -
655 -
656 -
657 default: -
658 break;
-
659 } -
660 QDialog::changeEvent(ev); -
661}
-
662 -
663 -
664 -
665 -
666void QMessageBox::keyPressEvent(QKeyEvent *e) -
667{ -
668 QMessageBoxPrivate * const d = d_func(); -
669 if (e->key() == Qt::Key_Escape
-
670 -
671 -
672 -
673 ) { -
674 if (d->detectedEscapeButton) {
-
675 -
676 -
677 -
678 d->detectedEscapeButton->click(); -
679 -
680 }
-
681 return;
-
682 } -
683 if (!(e->modifiers() & Qt::AltModifier)) {
-
684 int key = e->key() & ~Qt::MODIFIER_MASK; -
685 if (key) {
-
686 const QList<QAbstractButton *> buttons = d->buttonBox->buttons(); -
687 for (int i = 0; i < buttons.count(); ++i) {
-
688 QAbstractButton *pb = buttons.at(i); -
689 QKeySequence shortcut = pb->shortcut(); -
690 if (!shortcut.isEmpty() && key == int(shortcut[0] & ~Qt::MODIFIER_MASK)) {
-
691 pb->animateClick(); -
692 return;
-
693 } -
694 }
-
695 }
-
696 }
-
697 -
698 QDialog::keyPressEvent(e); -
699}
-
700void QMessageBox::open(QObject *receiver, const char *member) -
701{ -
702 QMessageBoxPrivate * const d = d_func(); -
703 const char *signal = member && strchr(member, '*') ? "2""buttonClicked(QAbstractButton*)"
-
704 : "2""finished(int)"; -
705 connect(this, signal, receiver, member); -
706 d->signalToDisconnectOnClose = signal; -
707 d->receiverToDisconnectOnClose = receiver; -
708 d->memberToDisconnectOnClose = member; -
709 QDialog::open(); -
710}
-
711QList<QAbstractButton *> QMessageBox::buttons() const -
712{ -
713 const QMessageBoxPrivate * const d = d_func(); -
714 return d->buttonBox->buttons();
-
715} -
716QMessageBox::ButtonRole QMessageBox::buttonRole(QAbstractButton *button) const -
717{ -
718 const QMessageBoxPrivate * const d = d_func(); -
719 return QMessageBox::ButtonRole(d->buttonBox->buttonRole(button));
-
720} -
721 -
722 -
723 -
724 -
725void QMessageBox::showEvent(QShowEvent *e) -
726{ -
727 QMessageBoxPrivate * const d = d_func(); -
728 if (d->autoAddOkButton) {
-
729 addButton(Ok); -
730 -
731 -
732 -
733 }
-
734 if (d->detailsButton)
-
735 addButton(d->detailsButton, QMessageBox::ActionRole);
-
736 d->detectEscapeButton(); -
737 d->updateSize(); -
738 -
739 -
740 QAccessibleEvent event(this, QAccessible::Alert); -
741 QAccessible::updateAccessibility(&event); -
742 -
743 -
744 -
745 -
746 -
747 -
748 -
749 QDialog::showEvent(e); -
750}
-
751 -
752 -
753static QMessageBox::StandardButton showNewMessageBox(QWidget *parent, -
754 QMessageBox::Icon icon, -
755 const QString& title, const QString& text, -
756 QMessageBox::StandardButtons buttons, -
757 QMessageBox::StandardButton defaultButton) -
758{ -
759 -
760 -
761 if (defaultButton && !(buttons & defaultButton))
-
762 return (QMessageBox::StandardButton) -
763 QMessageBoxPrivate::showOldMessageBox(parent, icon, title, -
764 text, int(buttons), -
765 int(defaultButton), 0);
-
766 -
767 QMessageBox msgBox(icon, title, text, QMessageBox::NoButton, parent); -
768 QDialogButtonBox *buttonBox = msgBox.findChild<QDialogButtonBox*>(); -
769 qt_noop(); -
770 -
771 uint mask = QMessageBox::FirstButton; -
772 while (mask <= QMessageBox::LastButton) {
-
773 uint sb = buttons & mask; -
774 mask <<= 1; -
775 if (!sb)
-
776 continue;
-
777 QPushButton *button = msgBox.addButton((QMessageBox::StandardButton)sb); -
778 -
779 if (msgBox.defaultButton())
-
780 continue;
-
781 if ((defaultButton == QMessageBox::NoButton && buttonBox->buttonRole(button) == QDialogButtonBox::AcceptRole)
-
782 || (defaultButton != QMessageBox::NoButton && sb == uint(defaultButton)))
-
783 msgBox.setDefaultButton(button);
-
784 }
-
785 if (msgBox.exec() == -1)
-
786 return QMessageBox::Cancel;
-
787 return msgBox.standardButton(msgBox.clickedButton());
-
788} -
789QMessageBox::StandardButton QMessageBox::information(QWidget *parent, const QString &title, -
790 const QString& text, StandardButtons buttons, -
791 StandardButton defaultButton) -
792{ -
793 return showNewMessageBox(parent, Information, title, text, buttons, -
794 defaultButton);
-
795} -
796QMessageBox::StandardButton QMessageBox::question(QWidget *parent, const QString &title, -
797 const QString& text, StandardButtons buttons, -
798 StandardButton defaultButton) -
799{ -
800 return showNewMessageBox(parent, Question, title, text, buttons, defaultButton);
-
801} -
802QMessageBox::StandardButton QMessageBox::warning(QWidget *parent, const QString &title, -
803 const QString& text, StandardButtons buttons, -
804 StandardButton defaultButton) -
805{ -
806 return showNewMessageBox(parent, Warning, title, text, buttons, defaultButton);
-
807} -
808QMessageBox::StandardButton QMessageBox::critical(QWidget *parent, const QString &title, -
809 const QString& text, StandardButtons buttons, -
810 StandardButton defaultButton) -
811{ -
812 return showNewMessageBox(parent, Critical, title, text, buttons, defaultButton);
-
813} -
814void QMessageBox::about(QWidget *parent, const QString &title, const QString &text) -
815{ -
816 QMessageBox *msgBox = new QMessageBox(title, text, Information, 0, 0, 0, parent -
817 -
818 -
819 -
820 ); -
821 msgBox->setAttribute(Qt::WA_DeleteOnClose); -
822 QIcon icon = msgBox->windowIcon(); -
823 QSize size = icon.actualSize(QSize(64, 64)); -
824 msgBox->setIconPixmap(icon.pixmap(size)); -
825 msgBox->exec(); -
826 -
827}
-
828void QMessageBox::aboutQt(QWidget *parent, const QString &title) -
829{ -
830 QString translatedTextAboutQtCaption; -
831 translatedTextAboutQtCaption = QMessageBox::tr( -
832 "<h3>About Qt</h3>" -
833 "<p>This program uses Qt version %1.</p>" -
834 ).arg(QLatin1String("5.0.1"2")); -
835 QString translatedTextAboutQtText; -
836 translatedTextAboutQtText = QMessageBox::tr( -
837 "<p>Qt is a C++ toolkit for cross-platform application " -
838 "development.</p>" -
839 "<p>Qt provides single-source portability across all major desktop " -
840 "operating systems. It is also available for embedded Linux and other " -
841 "embedded and mobile operating systems.</p>" -
842 "<p>Qt is available under three different licensing options designed " -
843 "to accommodate the needs of our various users.</p>" -
844 "<p>Qt licensed under our commercial license agreement is appropriate " -
845 "for development of proprietary/commercial software where you do not " -
846 "want to share any source code with third parties or otherwise cannot " -
847 "comply with the terms of the GNU LGPL version 2.1 or GNU GPL version " -
848 "3.0.</p>" -
849 "<p>Qt licensed under the GNU LGPL version 2.1 is appropriate for the " -
850 "development of Qt applications provided you can comply with the terms " -
851 "and conditions of the GNU LGPL version 2.1.</p>" -
852 "<p>Qt licensed under the GNU General Public License version 3.0 is " -
853 "appropriate for the development of Qt applications where you wish to " -
854 "use such applications in combination with software subject to the " -
855 "terms of the GNU GPL version 3.0 or where you are otherwise willing " -
856 "to comply with the terms of the GNU GPL version 3.0.</p>" -
857 "<p>Please see <a href=\"http://qt.digia.com/Product/Licensing/\">qt.digia.com/Product/Licensing</a> " -
858 "for an overview of Qt licensing.</p>" -
859 "<p>Copyright (C) 20122013 Digia Plc and/or its subsidiary(-ies) and other " -
860 "contributors.</p>" -
861 "<p>Qt and the Qt logo are trademarks of Digia Plc and/or its subsidiary(-ies).</p>" -
862 "<p>Qt is developed as an open source project on " -
863 "<a href=\"http://qt-project.org/\">qt-project.org</a>.</p>" -
864 "<p>Qt is a Digia product. See <a href=\"http://qt.digia.com/\">qt.digia.com</a> " -
865 "for more information.</p>" -
866 ); -
867 QMessageBox *msgBox = new QMessageBox(parent); -
868 msgBox->setAttribute(Qt::WA_DeleteOnClose); -
869 msgBox->setWindowTitle(title.isEmpty() ? tr("About Qt") : title); -
870 msgBox->setText(translatedTextAboutQtCaption); -
871 msgBox->setInformativeText(translatedTextAboutQtText); -
872 -
873 QPixmap pm(QLatin1String(":/qt-project.org/qmessagebox/images/qtlogo-64.png")); -
874 if (!pm.isNull())
partially evaluated: !pm.isNull()
TRUEFALSE
yes
Evaluation Count:1
no
Evaluation Count:0
0-1
875 msgBox->setIconPixmap(pm);
executed: msgBox->setIconPixmap(pm);
Execution Count:1
1
876 msgBox->exec(); -
877 -
878}
executed: }
Execution Count:1
1
879 -
880 -
881 -
882 -
883static QMessageBox::StandardButton newButton(int button) -
884{ -
885 -
886 if (button == QMessageBox::NoButton || (button & NewButtonMask))
-
887 return QMessageBox::StandardButton(button & QMessageBox::ButtonMask);
-
888 return QMessageBox::NoButton;
-
889 -
890} -
891 -
892static bool detectedCompat(int button0, int button1, int button2) -
893{ -
894 if (button0 != 0 && !(button0 & NewButtonMask))
-
895 return true;
-
896 if (button1 != 0 && !(button1 & NewButtonMask))
-
897 return true;
-
898 if (button2 != 0 && !(button2 & NewButtonMask))
-
899 return true;
-
900 return false;
-
901} -
902 -
903QAbstractButton *QMessageBoxPrivate::findButton(int button0, int button1, int button2, int flags) -
904{ -
905 QMessageBox * const q = q_func(); -
906 int button = 0; -
907 -
908 if (button0 & flags) {
-
909 button = button0; -
910 } else if (button1 & flags) {
-
911 button = button1; -
912 } else if (button2 & flags) {
-
913 button = button2; -
914 }
-
915 return q->button(newButton(button));
-
916} -
917 -
918void QMessageBoxPrivate::addOldButtons(int button0, int button1, int button2) -
919{ -
920 QMessageBox * const q = q_func(); -
921 q->addButton(newButton(button0)); -
922 q->addButton(newButton(button1)); -
923 q->addButton(newButton(button2)); -
924 q->setDefaultButton( -
925 static_cast<QPushButton *>(findButton(button0, button1, button2, QMessageBox::Default))); -
926 q->setEscapeButton(findButton(button0, button1, button2, QMessageBox::Escape)); -
927 compatMode = detectedCompat(button0, button1, button2); -
928}
-
929 -
930QAbstractButton *QMessageBoxPrivate::abstractButtonForId(int id) const -
931{ -
932 const QMessageBox * const q = q_func(); -
933 QAbstractButton *result = customButtonList.value(id); -
934 if (result)
-
935 return result;
-
936 if (id & QMessageBox::FlagMask)
-
937 return 0;
-
938 return q->button(newButton(id));
-
939} -
940 -
941int QMessageBoxPrivate::showOldMessageBox(QWidget *parent, QMessageBox::Icon icon, -
942 const QString &title, const QString &text, -
943 int button0, int button1, int button2) -
944{ -
945 QMessageBox messageBox(icon, title, text, QMessageBox::NoButton, parent); -
946 messageBox.d_func()->addOldButtons(button0, button1, button2); -
947 return messageBox.exec();
-
948} -
949 -
950int QMessageBoxPrivate::showOldMessageBox(QWidget *parent, QMessageBox::Icon icon, -
951 const QString &title, const QString &text, -
952 const QString &button0Text, -
953 const QString &button1Text, -
954 const QString &button2Text, -
955 int defaultButtonNumber, -
956 int escapeButtonNumber) -
957{ -
958 QMessageBox messageBox(icon, title, text, QMessageBox::NoButton, parent); -
959 QString myButton0Text = button0Text; -
960 if (myButton0Text.isEmpty())
-
961 myButton0Text = QDialogButtonBox::tr("OK");
-
962 messageBox.addButton(myButton0Text, QMessageBox::ActionRole); -
963 if (!button1Text.isEmpty())
-
964 messageBox.addButton(button1Text, QMessageBox::ActionRole);
-
965 if (!button2Text.isEmpty())
-
966 messageBox.addButton(button2Text, QMessageBox::ActionRole);
-
967 -
968 const QList<QAbstractButton *> &buttonList = messageBox.d_func()->customButtonList; -
969 messageBox.setDefaultButton(static_cast<QPushButton *>(buttonList.value(defaultButtonNumber))); -
970 messageBox.setEscapeButton(buttonList.value(escapeButtonNumber)); -
971 -
972 return messageBox.exec();
-
973} -
974 -
975void QMessageBoxPrivate::retranslateStrings() -
976{ -
977 -
978 if (detailsButton)
-
979 detailsButton->setLabel(detailsText->isHidden() ? ShowLabel : HideLabel);
-
980 -
981}
-
982QMessageBox::QMessageBox(const QString &title, const QString &text, Icon icon, -
983 int button0, int button1, int button2, QWidget *parent, -
984 Qt::WindowFlags f) -
985 : QDialog(*new QMessageBoxPrivate, parent, -
986 f | Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint) -
987{ -
988 QMessageBoxPrivate * const d = d_func(); -
989 d->init(title, text); -
990 setIcon(icon); -
991 d->addOldButtons(button0, button1, button2); -
992}
-
993int QMessageBox::information(QWidget *parent, const QString &title, const QString& text, -
994 int button0, int button1, int button2) -
995{ -
996 return QMessageBoxPrivate::showOldMessageBox(parent, Information, title, text, -
997 button0, button1, button2);
-
998} -
999int QMessageBox::information(QWidget *parent, const QString &title, const QString& text, -
1000 const QString& button0Text, const QString& button1Text, -
1001 const QString& button2Text, int defaultButtonNumber, -
1002 int escapeButtonNumber) -
1003{ -
1004 return QMessageBoxPrivate::showOldMessageBox(parent, Information, title, text, -
1005 button0Text, button1Text, button2Text, -
1006 defaultButtonNumber, escapeButtonNumber);
-
1007} -
1008int QMessageBox::question(QWidget *parent, const QString &title, const QString& text, -
1009 int button0, int button1, int button2) -
1010{ -
1011 return QMessageBoxPrivate::showOldMessageBox(parent, Question, title, text, -
1012 button0, button1, button2);
-
1013} -
1014int QMessageBox::question(QWidget *parent, const QString &title, const QString& text, -
1015 const QString& button0Text, const QString& button1Text, -
1016 const QString& button2Text, int defaultButtonNumber, -
1017 int escapeButtonNumber) -
1018{ -
1019 return QMessageBoxPrivate::showOldMessageBox(parent, Question, title, text, -
1020 button0Text, button1Text, button2Text, -
1021 defaultButtonNumber, escapeButtonNumber);
-
1022} -
1023int QMessageBox::warning(QWidget *parent, const QString &title, const QString& text, -
1024 int button0, int button1, int button2) -
1025{ -
1026 return QMessageBoxPrivate::showOldMessageBox(parent, Warning, title, text, -
1027 button0, button1, button2);
-
1028} -
1029int QMessageBox::warning(QWidget *parent, const QString &title, const QString& text, -
1030 const QString& button0Text, const QString& button1Text, -
1031 const QString& button2Text, int defaultButtonNumber, -
1032 int escapeButtonNumber) -
1033{ -
1034 return QMessageBoxPrivate::showOldMessageBox(parent, Warning, title, text, -
1035 button0Text, button1Text, button2Text, -
1036 defaultButtonNumber, escapeButtonNumber);
-
1037} -
1038int QMessageBox::critical(QWidget *parent, const QString &title, const QString& text, -
1039 int button0, int button1, int button2) -
1040{ -
1041 return QMessageBoxPrivate::showOldMessageBox(parent, Critical, title, text, -
1042 button0, button1, button2);
-
1043} -
1044int QMessageBox::critical(QWidget *parent, const QString &title, const QString& text, -
1045 const QString& button0Text, const QString& button1Text, -
1046 const QString& button2Text, int defaultButtonNumber, -
1047 int escapeButtonNumber) -
1048{ -
1049 return QMessageBoxPrivate::showOldMessageBox(parent, Critical, title, text, -
1050 button0Text, button1Text, button2Text, -
1051 defaultButtonNumber, escapeButtonNumber);
-
1052} -
1053QString QMessageBox::buttonText(int button) const -
1054{ -
1055 const QMessageBoxPrivate * const d = d_func(); -
1056 -
1057 if (QAbstractButton *abstractButton = d->abstractButtonForId(button)) {
-
1058 return abstractButton->text();
-
1059 } else if (d->buttonBox->buttons().isEmpty() && (button == Ok || button == Old_Ok)) {
-
1060 -
1061 return QDialogButtonBox::tr("OK");
-
1062 } -
1063 return QString();
-
1064} -
1065void QMessageBox::setButtonText(int button, const QString &text) -
1066{ -
1067 QMessageBoxPrivate * const d = d_func(); -
1068 if (QAbstractButton *abstractButton = d->abstractButtonForId(button)) {
-
1069 abstractButton->setText(text); -
1070 } else if (d->buttonBox->buttons().isEmpty() && (button == Ok || button == Old_Ok)) {
-
1071 -
1072 addButton(QMessageBox::Ok)->setText(text); -
1073 }
-
1074} -
1075QString QMessageBox::detailedText() const -
1076{ -
1077 const QMessageBoxPrivate * const d = d_func(); -
1078 return d->detailsText ? d->detailsText->text() : QString();
-
1079} -
1080 -
1081void QMessageBox::setDetailedText(const QString &text) -
1082{ -
1083 QMessageBoxPrivate * const d = d_func(); -
1084 if (text.isEmpty()) {
-
1085 delete d->detailsText; -
1086 d->detailsText = 0; -
1087 removeButton(d->detailsButton); -
1088 delete d->detailsButton; -
1089 d->detailsButton = 0; -
1090 return;
-
1091 } -
1092 -
1093 if (!d->detailsText) {
-
1094 d->detailsText = new QMessageBoxDetailsText(this); -
1095 QGridLayout* grid = qobject_cast<QGridLayout*>(layout()); -
1096 if (grid)
-
1097 grid->addWidget(d->detailsText, grid->rowCount(), 0, 1, grid->columnCount());
-
1098 d->detailsText->hide(); -
1099 }
-
1100 if (!d->detailsButton)
-
1101 d->detailsButton = new DetailButton(this);
-
1102 d->detailsText->setText(text); -
1103}
-
1104QString QMessageBox::informativeText() const -
1105{ -
1106 const QMessageBoxPrivate * const d = d_func(); -
1107 return d->informativeLabel ? d->informativeLabel->text() : QString();
-
1108} -
1109 -
1110void QMessageBox::setInformativeText(const QString &text) -
1111{ -
1112 QMessageBoxPrivate * const d = d_func(); -
1113 if (text.isEmpty()) {
-
1114 layout()->removeWidget(d->informativeLabel); -
1115 delete d->informativeLabel; -
1116 d->informativeLabel = 0; -
1117 -
1118 d->label->setContentsMargins(2, 0, 0, 0); -
1119 -
1120 d->updateSize(); -
1121 return;
-
1122 } -
1123 -
1124 if (!d->informativeLabel) {
-
1125 QLabel *label = new QLabel; -
1126 label->setObjectName(QLatin1String("qt_msgbox_informativelabel")); -
1127 label->setTextInteractionFlags(Qt::TextInteractionFlags(style()->styleHint(QStyle::SH_MessageBox_TextInteractionFlags, 0, this))); -
1128 label->setAlignment(Qt::AlignTop | Qt::AlignLeft); -
1129 label->setOpenExternalLinks(true); -
1130 label->setWordWrap(true); -
1131 -
1132 d->label->setContentsMargins(2, 0, 0, 0); -
1133 label->setContentsMargins(2, 0, 0, 6); -
1134 label->setIndent(9); -
1135 -
1136 -
1137 -
1138 -
1139 -
1140 label->setWordWrap(true); -
1141 QGridLayout *grid = static_cast<QGridLayout *>(layout()); -
1142 grid->addWidget(label, 1, 1, 1, 1); -
1143 d->informativeLabel = label; -
1144 }
-
1145 d->informativeLabel->setText(text); -
1146 d->updateSize(); -
1147}
-
1148void QMessageBox::setWindowTitle(const QString &title) -
1149{ -
1150 -
1151 -
1152 QDialog::setWindowTitle(title); -
1153 -
1154 -
1155 -
1156}
-
1157void QMessageBox::setWindowModality(Qt::WindowModality windowModality) -
1158{ -
1159 QDialog::setWindowModality(windowModality); -
1160 -
1161 if (parentWidget() && windowModality == Qt::WindowModal)
-
1162 setParent(parentWidget(), Qt::Sheet);
-
1163 else -
1164 setParent(parentWidget(), Qt::Dialog);
-
1165 setDefaultButton(d_func()->defaultButton); -
1166}
-
1167 -
1168 -
1169QPixmap QMessageBoxPrivate::standardIcon(QMessageBox::Icon icon, QMessageBox *mb) -
1170{ -
1171 QStyle *style = mb ? mb->style() : QApplication::style();
-
1172 int iconSize = style->pixelMetric(QStyle::PM_MessageBoxIconSize, 0, mb); -
1173 QIcon tmpIcon; -
1174 switch (icon) { -
1175 case QMessageBox::Information: -
1176 tmpIcon = style->standardIcon(QStyle::SP_MessageBoxInformation, 0, mb); -
1177 break;
-
1178 case QMessageBox::Warning: -
1179 tmpIcon = style->standardIcon(QStyle::SP_MessageBoxWarning, 0, mb); -
1180 break;
-
1181 case QMessageBox::Critical: -
1182 tmpIcon = style->standardIcon(QStyle::SP_MessageBoxCritical, 0, mb); -
1183 break;
-
1184 case QMessageBox::Question: -
1185 tmpIcon = style->standardIcon(QStyle::SP_MessageBoxQuestion, 0, mb); -
1186 default: -
1187 break;
-
1188 } -
1189 if (!tmpIcon.isNull())
-
1190 return tmpIcon.pixmap(iconSize, iconSize);
-
1191 return QPixmap();
-
1192} -
1193QPixmap QMessageBox::standardIcon(Icon icon) -
1194{ -
1195 return QMessageBoxPrivate::standardIcon(icon, 0);
-
1196} -
1197 -
1198 -
1199 -
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