qaction.cpp

Absolute File Name:/home/qt/qt5_coco/qt5/qtbase/src/widgets/kernel/qaction.cpp
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14-
15static QString qt_strippedText(QString s)-
16{-
17 s.remove( QString::fromLatin1("...") );-
18 for (int i = 0; i < s.size(); ++i) {-
19 if (s.at(i) == QLatin1Char('&'))-
20 s.remove(i, 1);-
21 }-
22 return s.trimmed();-
23}-
24-
25-
26QActionPrivate::QActionPrivate() : group(0), enabled(1), forceDisabled(0),-
27 visible(1), forceInvisible(0), checkable(0), checked(0), separator(0), fontSet(false),-
28 iconVisibleInMenu(-1),-
29 menuRole(QAction::TextHeuristicRole),-
30 priority(QAction::NormalPriority)-
31{-
32-
33 shortcutId = 0;-
34 shortcutContext = Qt::WindowShortcut;-
35 autorepeat = true;-
36-
37}-
38-
39QActionPrivate::~QActionPrivate()-
40{-
41}-
42-
43bool QActionPrivate::showStatusText(QWidget *widget, const QString &str)-
44{-
45-
46-
47-
48-
49 if(QObject *object = widget ? widget : parent) {-
50 QStatusTipEvent tip(str);-
51 QApplication::sendEvent(object, &tip);-
52 return true;-
53 }-
54-
55 return false;-
56}-
57-
58void QActionPrivate::sendDataChanged()-
59{-
60 QAction * const q = q_func();-
61 QActionEvent e(QEvent::ActionChanged, q);-
62 for (int i = 0; i < widgets.size(); ++i) {-
63 QWidget *w = widgets.at(i);-
64 QApplication::sendEvent(w, &e);-
65 }-
66-
67 for (int i = 0; i < graphicsWidgets.size(); ++i) {-
68 QGraphicsWidget *w = graphicsWidgets.at(i);-
69 QApplication::sendEvent(w, &e);-
70 }-
71-
72 QApplication::sendEvent(q, &e);-
73-
74 q->changed();-
75}-
76-
77-
78void QActionPrivate::redoGrab(QShortcutMap &map)-
79{-
80 QAction * const q = q_func();-
81 if (shortcutId)-
82 map.removeShortcut(shortcutId, q);-
83 if (shortcut.isEmpty())-
84 return;-
85 shortcutId = map.addShortcut(q, shortcut, shortcutContext, qWidgetShortcutContextMatcher);-
86 if (!enabled)-
87 map.setShortcutEnabled(false, shortcutId, q);-
88 if (!autorepeat)-
89 map.setShortcutAutoRepeat(false, shortcutId, q);-
90}-
91-
92void QActionPrivate::redoGrabAlternate(QShortcutMap &map)-
93{-
94 QAction * const q = q_func();-
95 for(int i = 0; i < alternateShortcutIds.count(); ++i) {-
96 if (const int id = alternateShortcutIds.at(i))-
97 map.removeShortcut(id, q);-
98 }-
99 alternateShortcutIds.clear();-
100 if (alternateShortcuts.isEmpty())-
101 return;-
102 for(int i = 0; i < alternateShortcuts.count(); ++i) {-
103 const QKeySequence& alternate = alternateShortcuts.at(i);-
104 if (!alternate.isEmpty())-
105 alternateShortcutIds.append(map.addShortcut(q, alternate, shortcutContext, qWidgetShortcutContextMatcher));-
106 else-
107 alternateShortcutIds.append(0);-
108 }-
109 if (!enabled) {-
110 for(int i = 0; i < alternateShortcutIds.count(); ++i) {-
111 const int id = alternateShortcutIds.at(i);-
112 map.setShortcutEnabled(false, id, q);-
113 }-
114 }-
115 if (!autorepeat) {-
116 for(int i = 0; i < alternateShortcutIds.count(); ++i) {-
117 const int id = alternateShortcutIds.at(i);-
118 map.setShortcutAutoRepeat(false, id, q);-
119 }-
120 }-
121}-
122-
123void QActionPrivate::setShortcutEnabled(bool enable, QShortcutMap &map)-
124{-
125 QAction * const q = q_func();-
126 if (shortcutId)-
127 map.setShortcutEnabled(enable, shortcutId, q);-
128 for(int i = 0; i < alternateShortcutIds.count(); ++i) {-
129 if (const int id = alternateShortcutIds.at(i))-
130 map.setShortcutEnabled(enable, id, q);-
131 }-
132}-
133QAction::QAction(QObject* parent)-
134 : QObject(*(new QActionPrivate), parent)-
135{-
136 QActionPrivate * const d = d_func();-
137 d->group = qobject_cast<QActionGroup *>(parent);-
138 if (d->group)-
139 d->group->addAction(this);-
140}-
141QAction::QAction(const QString &text, QObject* parent)-
142 : QObject(*(new QActionPrivate), parent)-
143{-
144 QActionPrivate * const d = d_func();-
145 d->text = text;-
146 d->group = qobject_cast<QActionGroup *>(parent);-
147 if (d->group)-
148 d->group->addAction(this);-
149}-
150QAction::QAction(const QIcon &icon, const QString &text, QObject* parent)-
151 : QObject(*(new QActionPrivate), parent)-
152{-
153 QActionPrivate * const d = d_func();-
154 d->icon = icon;-
155 d->text = text;-
156 d->group = qobject_cast<QActionGroup *>(parent);-
157 if (d->group)-
158 d->group->addAction(this);-
159}-
160-
161-
162-
163-
164QAction::QAction(QActionPrivate &dd, QObject *parent)-
165 : QObject(dd, parent)-
166{-
167 QActionPrivate * const d = d_func();-
168 d->group = qobject_cast<QActionGroup *>(parent);-
169 if (d->group)-
170 d->group->addAction(this);-
171}-
172-
173-
174-
175-
176QWidget *QAction::parentWidget() const-
177{-
178 QObject *ret = parent();-
179 while (ret && !ret->isWidgetType())-
180 ret = ret->parent();-
181 return (QWidget*)ret;-
182}-
183-
184-
185-
186-
187-
188-
189-
190QList<QWidget *> QAction::associatedWidgets() const-
191{-
192 const QActionPrivate * const d = d_func();-
193 return d->widgets;-
194}-
195QList<QGraphicsWidget *> QAction::associatedGraphicsWidgets() const-
196{-
197 const QActionPrivate * const d = d_func();-
198 return d->graphicsWidgets;-
199}-
200void QAction::setShortcut(const QKeySequence &shortcut)-
201{-
202 if (!((__builtin_expect(!!(!(static_cast<QApplication *>(QCoreApplication::instance())))()))), false)) { QMessageLogger(__FILE__, 390396, __PRETTY_FUNCTION__).warning("QAction: Initialize QApplication before calling '" "setShortcut" "'."); return; };-
203-
204 QActionPrivate * const d = d_func();-
205 if (d->shortcut == shortcut)-
206 return;-
207-
208 d->shortcut = shortcut;-
209 d->redoGrab((static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap);-
210 d->sendDataChanged();-
211}-
212void QAction::setShortcuts(const QList<QKeySequence> &shortcuts)-
213{-
214 QActionPrivate * const d = d_func();-
215-
216 QList <QKeySequence> listCopy = shortcuts;-
217-
218 QKeySequence primary;-
219 if (!listCopy.isEmpty())-
220 primary = listCopy.takeFirst();-
221-
222 if (d->shortcut == primary && d->alternateShortcuts == listCopy)-
223 return;-
224-
225 if (!((__builtin_expect(!!(!(static_cast<QApplication *>(QCoreApplication::instance())))()))), false)) { QMessageLogger(__FILE__, 422428, __PRETTY_FUNCTION__).warning("QAction: Initialize QApplication before calling '" "setShortcuts" "'."); return; };-
226-
227 d->shortcut = primary;-
228 d->alternateShortcuts = listCopy;-
229 d->redoGrab((static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap);-
230 d->redoGrabAlternate((static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap);-
231 d->sendDataChanged();-
232}-
233void QAction::setShortcuts(QKeySequence::StandardKey key)-
234{-
235 QList <QKeySequence> list = QKeySequence::keyBindings(key);-
236 setShortcuts(list);-
237}-
238-
239-
240-
241-
242-
243-
244QKeySequence QAction::shortcut() const-
245{-
246 const QActionPrivate * const d = d_func();-
247 return d->shortcut;-
248}-
249QList<QKeySequence> QAction::shortcuts() const-
250{-
251 const QActionPrivate * const d = d_func();-
252 QList <QKeySequence> shortcuts;-
253 if (!d->shortcut.isEmpty())-
254 shortcuts << d->shortcut;-
255 if (!d->alternateShortcuts.isEmpty())-
256 shortcuts << d->alternateShortcuts;-
257 return shortcuts;-
258}-
259void QAction::setShortcutContext(Qt::ShortcutContext context)-
260{-
261 QActionPrivate * const d = d_func();-
262 if (d->shortcutContext == context)-
263 return;-
264 if (!((__builtin_expect(!!(!(static_cast<QApplication *>(QCoreApplication::instance())))()))), false)) { QMessageLogger(__FILE__, 489495, __PRETTY_FUNCTION__).warning("QAction: Initialize QApplication before calling '" "setShortcutContext" "'."); return; };-
265 d->shortcutContext = context;-
266 d->redoGrab((static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap);-
267 d->redoGrabAlternate((static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap);-
268 d->sendDataChanged();-
269}-
270-
271Qt::ShortcutContext QAction::shortcutContext() const-
272{-
273 const QActionPrivate * const d = d_func();-
274 return d->shortcutContext;-
275}-
276void QAction::setAutoRepeat(bool on)-
277{-
278 QActionPrivate * const d = d_func();-
279 if (d->autorepeat == on)-
280 return;-
281 if (!((__builtin_expect(!!(!(static_cast<QApplication *>(QCoreApplication::instance())))()))), false)) { QMessageLogger(__FILE__, 517523, __PRETTY_FUNCTION__).warning("QAction: Initialize QApplication before calling '" "setAutoRepeat" "'."); return; };-
282 d->autorepeat = on;-
283 d->redoGrab((static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap);-
284 d->redoGrabAlternate((static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap);-
285 d->sendDataChanged();-
286}-
287-
288bool QAction::autoRepeat() const-
289{-
290 const QActionPrivate * const d = d_func();-
291 return d->autorepeat;-
292}-
293void QAction::setFont(const QFont &font)-
294{-
295 QActionPrivate * const d = d_func();-
296 if (d->font == font)-
297 return;-
298-
299 d->fontSet = true;-
300 d->font = font;-
301 d->sendDataChanged();-
302}-
303-
304QFont QAction::font() const-
305{-
306 const QActionPrivate * const d = d_func();-
307 return d->font;-
308}-
309-
310-
311-
312-
313-
314QAction::~QAction()-
315{-
316 QActionPrivate * const d = d_func();-
317 for (int i = d->widgets.size()-1; i >= 0; --i) {-
318 QWidget *w = d->widgets.at(i);-
319 w->removeAction(this);-
320 }-
321-
322 for (int i = d->graphicsWidgets.size()-1; i >= 0; --i) {-
323 QGraphicsWidget *w = d->graphicsWidgets.at(i);-
324 w->removeAction(this);-
325 }-
326-
327 if (d->group)-
328 d->group->removeAction(this);-
329-
330 if (d->shortcutId && (static_cast<QApplication *>(QCoreApplication::instance()))) {-
331 (static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap.removeShortcut(d->shortcutId, this);-
332 for(int i = 0; i < d->alternateShortcutIds.count(); ++i) {-
333 const int id = d->alternateShortcutIds.at(i);-
334 (static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap.removeShortcut(id, this);-
335 }-
336 }-
337-
338}-
339void QAction::setActionGroup(QActionGroup *group)-
340{-
341 QActionPrivate * const d = d_func();-
342 if(group == d->group
group == d->groupDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
343 return;
never executed: return;
0
344-
345 if(d->group
d->groupDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
346 d->group->removeAction(this);
never executed: d->group->removeAction(this);
0
347 d->group = group;-
348 if(group
groupDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
349 group->addAction(this);
never executed: group->addAction(this);
0
350 d->sendDataChanged();-
351}
never executed: end of block
0
352-
353-
354-
355-
356-
357-
358-
359QActionGroup *QAction::actionGroup() const-
360{-
361 const QActionPrivate * const d = d_func();-
362 return d->group;-
363}-
364void QAction::setIcon(const QIcon &icon)-
365{-
366 QActionPrivate * const d = d_func();-
367 d->icon = icon;-
368 d->sendDataChanged();-
369}-
370-
371QIcon QAction::icon() const-
372{-
373 const QActionPrivate * const d = d_func();-
374 return d->icon;-
375}-
376QMenu *QAction::menu() const-
377{-
378 const QActionPrivate * const d = d_func();-
379 return d->menu;-
380}-
381-
382-
383-
384-
385void QAction::setMenu(QMenu *menu)-
386{-
387 QActionPrivate * const d = d_func();-
388 if (d->menu)-
389 d->menu->d_func()->setOverrideMenuAction(0);-
390 d->menu = menu;-
391 if (menu)-
392 menu->d_func()->setOverrideMenuAction(this);-
393 d->sendDataChanged();-
394}-
395void QAction::setSeparator(bool b)-
396{-
397 QActionPrivate * const d = d_func();-
398 if (d->separator == b)-
399 return;-
400-
401 d->separator = b;-
402 d->sendDataChanged();-
403}-
404-
405-
406-
407-
408-
409-
410-
411bool QAction::isSeparator() const-
412{-
413 const QActionPrivate * const d = d_func();-
414 return d->separator;-
415}-
416void QAction::setText(const QString &text)-
417{-
418 QActionPrivate * const d = d_func();-
419 if (d->text == text)-
420 return;-
421-
422 d->text = text;-
423 d->sendDataChanged();-
424}-
425-
426QString QAction::text() const-
427{-
428 const QActionPrivate * const d = d_func();-
429 QString s = d->text;-
430 if(s.isEmpty()) {-
431 s = d->iconText;-
432 s.replace(QLatin1Char('&'), QLatin1String("&&"));-
433 }-
434 return s;-
435}-
436void QAction::setIconText(const QString &text)-
437{-
438 QActionPrivate * const d = d_func();-
439 if (d->iconText == text)-
440 return;-
441-
442 d->iconText = text;-
443 d->sendDataChanged();-
444}-
445-
446QString QAction::iconText() const-
447{-
448 const QActionPrivate * const d = d_func();-
449 if (d->iconText.isEmpty())-
450 return qt_strippedText(d->text);-
451 return d->iconText;-
452}-
453void QAction::setToolTip(const QString &tooltip)-
454{-
455 QActionPrivate * const d = d_func();-
456 if (d->tooltip == tooltip)-
457 return;-
458-
459 d->tooltip = tooltip;-
460 d->sendDataChanged();-
461}-
462-
463QString QAction::toolTip() const-
464{-
465 const QActionPrivate * const d = d_func();-
466 if (d->tooltip.isEmpty()) {-
467 if (!d->text.isEmpty())-
468 return qt_strippedText(d->text);-
469 return qt_strippedText(d->iconText);-
470 }-
471 return d->tooltip;-
472}-
473void QAction::setStatusTip(const QString &statustip)-
474{-
475 QActionPrivate * const d = d_func();-
476 if (d->statustip == statustip)-
477 return;-
478-
479 d->statustip = statustip;-
480 d->sendDataChanged();-
481}-
482-
483QString QAction::statusTip() const-
484{-
485 const QActionPrivate * const d = d_func();-
486 return d->statustip;-
487}-
488void QAction::setWhatsThis(const QString &whatsthis)-
489{-
490 QActionPrivate * const d = d_func();-
491 if (d->whatsthis == whatsthis)-
492 return;-
493-
494 d->whatsthis = whatsthis;-
495 d->sendDataChanged();-
496}-
497-
498QString QAction::whatsThis() const-
499{-
500 const QActionPrivate * const d = d_func();-
501 return d->whatsthis;-
502}-
503void QAction::setPriority(Priority priority)-
504{-
505 QActionPrivate * const d = d_func();-
506 if (d->priority == priority)-
507 return;-
508-
509 d->priority = priority;-
510 d->sendDataChanged();-
511}-
512-
513QAction::Priority QAction::priority() const-
514{-
515 const QActionPrivate * const d = d_func();-
516 return d->priority;-
517}-
518void QAction::setCheckable(bool b)-
519{-
520 QActionPrivate * const d = d_func();-
521 if (d->checkable == b)-
522 return;-
523-
524 d->checkable = b;-
525 d->checked = false;-
526 d->sendDataChanged();-
527}-
528-
529bool QAction::isCheckable() const-
530{-
531 const QActionPrivate * const d = d_func();-
532 return d->checkable;-
533}-
534-
535-
536-
537-
538-
539-
540-
541void QAction::toggle()-
542{-
543 QActionPrivate * const d = d_func();-
544 setChecked(!d->checked);-
545}-
546void QAction::setChecked(bool b)-
547{-
548 QActionPrivate * const d = d_func();-
549 if (!d->checkable || d->checked == b)-
550 return;-
551-
552 QPointer<QAction> guard(this);-
553 d->checked = b;-
554 d->sendDataChanged();-
555 if (guard)-
556 toggled(b);-
557}-
558-
559bool QAction::isChecked() const-
560{-
561 const QActionPrivate * const d = d_func();-
562 return d->checked;-
563}-
564void QAction::setEnabled(bool b)-
565{-
566 QActionPrivate * const d = d_func();-
567 if (b == d->enabled && b != d->forceDisabled)-
568 return;-
569 d->forceDisabled = !b;-
570 if (b && (!d->visible || (d->group && !d->group->isEnabled())))-
571 return;-
572 if (!((__builtin_expect(!!(!(static_cast<QApplication *>(QCoreApplication::instance())))()))), false)) { QMessageLogger(__FILE__, 10271034, __PRETTY_FUNCTION__).warning("QAction: Initialize QApplication before calling '" "setEnabled" "'."); return; };-
573 d->enabled = b;-
574-
575 d->setShortcutEnabled(b, (static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap);-
576-
577 d->sendDataChanged();-
578}-
579-
580bool QAction::isEnabled() const-
581{-
582 const QActionPrivate * const d = d_func();-
583 return d->enabled;-
584}-
585void QAction::setVisible(bool b)-
586{-
587 QActionPrivate * const d = d_func();-
588 if (b == d->visible && b != d->forceInvisible)-
589 return;-
590 if (!((__builtin_expect(!!(!(static_cast<QApplication *>(QCoreApplication::instance())))()))), false)) { QMessageLogger(__FILE__, 10591066, __PRETTY_FUNCTION__).warning("QAction: Initialize QApplication before calling '" "setVisible" "'."); return; };-
591 d->forceInvisible = !b;-
592 d->visible = b;-
593 d->enabled = b && !d->forceDisabled && (!d->group || d->group->isEnabled()) ;-
594-
595 d->setShortcutEnabled(d->enabled, (static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap);-
596-
597 d->sendDataChanged();-
598}-
599-
600-
601bool QAction::isVisible() const-
602{-
603 const QActionPrivate * const d = d_func();-
604 return d->visible;-
605}-
606-
607-
608-
609-
610bool-
611QAction::event(QEvent *e)-
612{-
613-
614 if (e->type() == QEvent::Shortcut) {-
615 QShortcutEvent *se = static_cast<QShortcutEvent *>(e);-
616 ((!(se->key() == d_func()->shortcut || d_func()->alternateShortcuts.contains(se->key()))) ? qt_assert_x("QAction::event", "Received shortcut event from incorrect shortcut",-
617-
618 __FILE__-
619 ,-
620-
621 10871094-
622 ) : qt_noop())-
623-
624 ;-
625 if (se->isAmbiguous())-
626 QMessageLogger(__FILE__, 10891096, __PRETTY_FUNCTION__).warning("QAction::eventFilter: Ambiguous shortcut overload: %s", se->key().toString(QKeySequence::NativeText).toLatin1().constData());-
627 else-
628 activate(Trigger);-
629 return true;-
630 }-
631-
632 return QObject::event(e);-
633}-
634-
635-
636-
637-
638-
639-
640QVariant-
641QAction::data() const-
642{-
643 const QActionPrivate * const d = d_func();-
644 return d->userData;-
645}-
646void-
647QAction::setData(const QVariant &data)-
648{-
649 QActionPrivate * const d = d_func();-
650 d->userData = data;-
651 d->sendDataChanged();-
652}-
653bool-
654QAction::showStatusText(QWidget *widget)-
655{-
656 return d_func()->showStatusText(widget, statusTip());-
657}-
658-
659-
660-
661-
662-
663-
664-
665void QAction::activate(ActionEvent event)-
666{-
667 QActionPrivate * const d = d_func();-
668 if(event == Trigger) {-
669 QPointer<QObject> guard = this;-
670 if(d->checkable) {-
671-
672 if (d->checked && (d->group && d->group->isExclusive()-
673 && d->group->checkedAction() == this)) {-
674 if (!guard.isNull())-
675 triggered(true);-
676 return;-
677 }-
678 setChecked(!d->checked);-
679 }-
680 if (!guard.isNull())-
681 triggered(d->checked);-
682 } else if(event == Hover) {-
683 hovered();-
684 }-
685}-
686void QAction::setMenuRole(MenuRole menuRole)-
687{-
688 QActionPrivate * const d = d_func();-
689 if (d->menuRole == menuRole)-
690 return;-
691-
692 d->menuRole = menuRole;-
693 d->sendDataChanged();-
694}-
695-
696QAction::MenuRole QAction::menuRole() const-
697{-
698 const QActionPrivate * const d = d_func();-
699 return d->menuRole;-
700}-
701void QAction::setIconVisibleInMenu(bool visible)-
702{-
703 QActionPrivate * const d = d_func();-
704 if (d->iconVisibleInMenu == -1 || visible != bool(d->iconVisibleInMenu)) {-
705 int oldValue = d->iconVisibleInMenu;-
706 d->iconVisibleInMenu = visible;-
707-
708 if (oldValue != -1-
709 || (oldValue == -1-
710 && visible == !QApplication::instance()->testAttribute(Qt::AA_DontShowIconsInMenus))) {-
711 d->sendDataChanged();-
712 }-
713 }-
714}-
715-
716bool QAction::isIconVisibleInMenu() const-
717{-
718 const QActionPrivate * const d = d_func();-
719 if (d->iconVisibleInMenu == -1) {-
720 return !QApplication::instance()->testAttribute(Qt::AA_DontShowIconsInMenus);-
721 }-
722 return d->iconVisibleInMenu;-
723}-
724-
725-
726__attribute__((visibility("default"))) QDebug operator<<(QDebug d, const QAction *action)-
727{-
728 QDebugStateSaver saver(d);-
729 d.nospace();-
730 d << "QAction(" << static_cast<const void *>(action);-
731 if (action) {-
732 d << " text=" << action->text();-
733 if (!action->toolTip().isEmpty())-
734 d << " toolTip=" << action->toolTip();-
735 if (action->isCheckable())-
736 d << " checked=" << action->isChecked();-
737 if (!action->shortcut().isEmpty())-
738 d << " shortcut=" << action->shortcut();-
739 d << " menuRole=";-
740 QtDebugUtils::formatQEnum(d, action->menuRole());-
741 d << " visible=" << action->isVisible();-
742 } else {-
743 d << '0';-
744 }-
745 d << ')';-
746 return d;-
747}-
748-
749-
750-
751-
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