qshortcut.cpp

Absolute File Name:/home/qt/qt5_coco/qt5/qtbase/src/widgets/kernel/qshortcut.cpp
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5static bool correctWidgetContext(Qt::ShortcutContext context, QWidget *w, QWidget *active_window);-
6-
7static bool correctGraphicsWidgetContext(Qt::ShortcutContext context, QGraphicsWidget *w, QWidget *active_window);-
8-
9-
10static bool correctActionContext(Qt::ShortcutContext context, QAction *a, QWidget *active_window);-
11-
12-
13-
14-
15-
16-
17-
18bool qWidgetShortcutContextMatcher(QObject *object, Qt::ShortcutContext context)-
19{-
20 ((!(object)) ? qt_assert_x("QShortcutMap", "Shortcut has no owner. Illegal map state!",__FILE__,7379) : qt_noop());-
21-
22 QWidget *active_window = QApplication::activeWindow();-
23-
24-
25-
26-
27 if (QApplication::activePopupWidget())-
28 active_window = QApplication::activePopupWidget();-
29-
30 if (!active_window) {-
31 QWindow *qwindow = QGuiApplication::focusWindow();-
32 if (qwindow && qwindow->isActive()) {-
33 while (qwindow) {-
34 QWidgetWindow *widgetWindow = qobject_cast<QWidgetWindow *>(qwindow);-
35 if (widgetWindow) {-
36 active_window = widgetWindow->widget();-
37 break;-
38 }-
39 qwindow = qwindow->parent();-
40 }-
41 }-
42 }-
43-
44 if (!active_window)-
45 return false;-
46-
47-
48 if (QAction *a = qobject_cast<QAction *>(object))-
49 return correctActionContext(context, a, active_window);-
50-
51-
52-
53 if (QGraphicsWidget *gw = qobject_cast<QGraphicsWidget *>(object))-
54 return correctGraphicsWidgetContext(context, gw, active_window);-
55-
56-
57 QWidget *w = qobject_cast<QWidget *>(object);-
58 if (!w) {-
59 QShortcut *s = qobject_cast<QShortcut *>(object);-
60 if (s)-
61 w = s->parentWidget();-
62 }-
63-
64 if (!w) {-
65 QWindow *qwindow = qobject_cast<QWindow *>(object);-
66 while (qwindow) {-
67 QWidgetWindow *widget_window = qobject_cast<QWidgetWindow *>(qwindow);-
68 if (widget_window) {-
69 w = widget_window->widget();-
70 break;-
71 }-
72 qwindow = qwindow->parent();-
73 }-
74 }-
75-
76 if (!w)-
77 return false;-
78-
79 return correctWidgetContext(context, w, active_window);-
80}-
81-
82static bool correctWidgetContext(Qt::ShortcutContext context, QWidget *w, QWidget *active_window)-
83{-
84 bool visible = w->isVisible();-
85-
86-
87-
88-
89-
90 if (!visible || !w->isEnabled())-
91 return false;-
92-
93 if (context == Qt::ApplicationShortcut)-
94 return QApplicationPrivate::tryModalHelper(w, 0);-
95-
96 if (context == Qt::WidgetShortcut)-
97 return w == QApplication::focusWidget();-
98-
99 if (context == Qt::WidgetWithChildrenShortcut) {-
100 const QWidget *tw = QApplication::focusWidget();-
101 while (tw && tw != w && (tw->windowType() == Qt::Widget || tw->windowType() == Qt::Popup || tw->windowType() == Qt::SubWindow))-
102 tw = tw->parentWidget();-
103 return tw == w;-
104 }-
105-
106-
107 QWidget *tlw = w->window();-
108-
109 if (QWExtra *topData = static_cast<QWidgetPrivate *>(QObjectPrivate::get(tlw))->extra) {-
110 if (topData->proxyWidget) {-
111 bool res = correctGraphicsWidgetContext(context, (QGraphicsWidget *)topData->proxyWidget, active_window);-
112 return res;-
113 }-
114 }-
115-
116-
117-
118-
119 if (active_window != tlw && active_window && active_window->windowType() == Qt::Tool && active_window->parentWidget()) {-
120 active_window = active_window->parentWidget()->window();-
121 }-
122-
123 if (active_window != tlw)-
124 return false;-
125-
126-
127-
128 const QWidget* sw = w;-
129 while (sw && !(sw->windowType() == Qt::SubWindow) && !sw->isWindow())-
130 sw = sw->parentWidget();-
131 if (sw && (sw->windowType() == Qt::SubWindow)) {-
132 QWidget *focus_widget = QApplication::focusWidget();-
133 while (focus_widget && focus_widget != sw)-
134 focus_widget = focus_widget->parentWidget();-
135 return sw == focus_widget;-
136 }-
137-
138-
139-
140-
141 return true;-
142}-
143-
144-
145static bool correctGraphicsWidgetContext(Qt::ShortcutContext context, QGraphicsWidget *w, QWidget *active_window)-
146{-
147 bool visible = w->isVisible();-
148-
149-
150-
151-
152-
153 if (!visible || !w->isEnabled() || !w->scene())-
154 return false;-
155-
156 if (context == Qt::ApplicationShortcut) {-
157-
158-
159-
160 QList<QGraphicsView *> views = w->scene()->views();-
161 for (int i = 0; i < views.size(); ++i) {-
162 if (QApplicationPrivate::tryModalHelper(views.at(i), 0))-
163 return true;-
164 }-
165 return false;-
166 }-
167-
168 if (context == Qt::WidgetShortcut)-
169 return static_cast<QGraphicsItem *>(w) == w->scene()->focusItem();-
170-
171 if (context == Qt::WidgetWithChildrenShortcut) {-
172 const QGraphicsItem *ti = w->scene()->focusItem();-
173 if (ti && ti->isWidget()) {-
174 const QGraphicsWidget *tw = static_cast<const QGraphicsWidget *>(ti);-
175 while (tw && tw != w && (tw->windowType() == Qt::Widget || tw->windowType() == Qt::Popup))-
176 tw = tw->parentWidget();-
177 return tw == w;-
178 }-
179 return false;-
180 }-
181-
182-
183-
184-
185 QList<QGraphicsView *> views = w->scene()->views();-
186 QGraphicsView *activeView = 0;-
187 for (int i = 0; i < views.size(); ++i) {-
188 QGraphicsView *view = views.at(i);-
189 if (view->window() == active_window) {-
190 activeView = view;-
191 break;-
192 }-
193 }-
194 if (!activeView)-
195 return false;-
196-
197-
198-
199 QGraphicsWidget *a = w->scene()->activeWindow();-
200 return !w->window() || a == w->window();-
201}-
202-
203-
204-
205static bool correctActionContext(Qt::ShortcutContext context, QAction *a, QWidget *active_window)-
206{-
207 const QList<QWidget *> &widgets = static_cast<QActionPrivate *>(QObjectPrivate::get(a))->widgets;-
208-
209-
210-
211-
212 for (int i = 0; i < widgets.size(); ++i) {-
213 QWidget *w = widgets.at(i);-
214-
215 if (QMenu *menu = qobject_cast<QMenu *>(w)) {-
216 QAction *a = menu->menuAction();-
217 if (correctActionContext(context, a, active_window))-
218 return true;-
219 } else-
220-
221 if (correctWidgetContext(context, w, active_window))-
222 return true;-
223 }-
224-
225-
226 const QList<QGraphicsWidget *> &graphicsWidgets = static_cast<QActionPrivate *>(QObjectPrivate::get(a))->graphicsWidgets;-
227-
228-
229-
230-
231 for (int i = 0; i < graphicsWidgets.size(); ++i) {-
232 QGraphicsWidget *w = graphicsWidgets.at(i);-
233 if (correctGraphicsWidgetContext(context, w, active_window))-
234 return true;-
235 }-
236-
237 return false;-
238}-
239class QShortcutPrivate : public QObjectPrivate-
240{-
241 inline QShortcut* q_func() { return static_cast<QShortcut *>(q_ptr); } inline const QShortcut* q_func() const { return static_cast<const QShortcut *>(q_ptr); } friend class QShortcut;-
242public:-
243 QShortcutPrivate() : sc_context(Qt::WindowShortcut), sc_enabled(true), sc_autorepeat(true), sc_id(0) {}-
244 QKeySequence sc_sequence;-
245 Qt::ShortcutContext sc_context;-
246 bool sc_enabled;-
247 bool sc_autorepeat;-
248 int sc_id;-
249 QString sc_whatsthis;-
250 void redoGrab(QShortcutMap &map);-
251};-
252-
253void QShortcutPrivate::redoGrab(QShortcutMap &map)-
254{-
255 QShortcut * const q = q_func();-
256 if (!(__builtin_expect(!!(!
__builtin_expe...arent), false)Description
TRUEnever evaluated
FALSEnever evaluated
parent)), false)
__builtin_expe...arent), false)Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
257 QMessageLogger(__FILE__, 414420, __PRETTY_FUNCTION__).warning("QShortcut: No widget parent defined");-
258 return;
never executed: return;
0
259 }-
260-
261 if (sc_id
sc_idDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
262 map.removeShortcut(sc_id, q);
never executed: map.removeShortcut(sc_id, q);
0
263 if (sc_sequence.isEmpty()
sc_sequence.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
264 return;
never executed: return;
0
265 sc_id = map.addShortcut(q, sc_sequence, sc_context, qWidgetShortcutContextMatcher);-
266 if (!sc_enabled
!sc_enabledDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
267 map.setShortcutEnabled(false, sc_id, q);
never executed: map.setShortcutEnabled(false, sc_id, q);
0
268 if (!sc_autorepeat
!sc_autorepeatDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
269 map.setShortcutAutoRepeat(false, sc_id, q);
never executed: map.setShortcutAutoRepeat(false, sc_id, q);
0
270}
never executed: end of block
0
271QShortcut::QShortcut(QWidget *parent)-
272 : QObject(*new QShortcutPrivate, parent)-
273{-
274 ((!(parent != 0)) ? qt_assert("parent != 0",__FILE__,439445) : qt_noop());-
275}-
276QShortcut::QShortcut(const QKeySequence &key, QWidget *parent,-
277 const char *member, const char *ambiguousMember,-
278 Qt::ShortcutContext context)-
279 : QObject(*new QShortcutPrivate, parent)-
280{-
281 if (!((__builtin_expect(!!(!(static_cast<QApplication *>(QCoreApplication::instance())))()))), false)) { QMessageLogger(__FILE__, 455461, __PRETTY_FUNCTION__).warning("QShortcut: Initialize QApplication before calling '" "QShortcut" "'."); return; };-
282-
283 QShortcutPrivate * const d = d_func();-
284 ((!(parent != 0)) ? qt_assert("parent != 0",__FILE__,458464) : qt_noop());-
285 d->sc_context = context;-
286 d->sc_sequence = key;-
287 d->redoGrab((static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap);-
288 if (member)-
289 connect(this, qFlagLocation("2""activated()" "\0" __FILE__ ":" "463""469"), parent, member);-
290 if (ambiguousMember)-
291 connect(this, qFlagLocation("2""activatedAmbiguously()" "\0" __FILE__ ":" "465""471"), parent, ambiguousMember);-
292}-
293-
294-
295-
296-
297QShortcut::~QShortcut()-
298{-
299 QShortcutPrivate * const d = d_func();-
300 if ((static_cast<QApplication *>(QCoreApplication::instance())))-
301 (static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap.removeShortcut(d->sc_id, this);-
302}-
303void QShortcut::setKey(const QKeySequence &key)-
304{-
305 QShortcutPrivate * const d = d_func();-
306 if (d->sc_sequence == key)-
307 return;-
308 if (!((__builtin_expect(!!(!(static_cast<QApplication *>(QCoreApplication::instance())))()))), false)) { QMessageLogger(__FILE__, 494500, __PRETTY_FUNCTION__).warning("QShortcut: Initialize QApplication before calling '" "setKey" "'."); return; };-
309 d->sc_sequence = key;-
310 d->redoGrab((static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap);-
311}-
312-
313QKeySequence QShortcut::key() const-
314{-
315 const QShortcutPrivate * const d = d_func();-
316 return d->sc_sequence;-
317}-
318void QShortcut::setEnabled(bool enable)-
319{-
320 QShortcutPrivate * const d = d_func();-
321 if (d->sc_enabled == enable)-
322 return;-
323 if (!((__builtin_expect(!!(!(static_cast<QApplication *>(QCoreApplication::instance())))()))), false)) { QMessageLogger(__FILE__, 525531, __PRETTY_FUNCTION__).warning("QShortcut: Initialize QApplication before calling '" "setEnabled" "'."); return; };-
324 d->sc_enabled = enable;-
325 (static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap.setShortcutEnabled(enable, d->sc_id, this);-
326}-
327-
328bool QShortcut::isEnabled() const-
329{-
330 const QShortcutPrivate * const d = d_func();-
331 return d->sc_enabled;-
332}-
333void QShortcut::setContext(Qt::ShortcutContext context)-
334{-
335 QShortcutPrivate * const d = d_func();-
336 if(d->sc_context == context)-
337 return;-
338 if (!((__builtin_expect(!!(!(static_cast<QApplication *>(QCoreApplication::instance())))()))), false)) { QMessageLogger(__FILE__, 553559, __PRETTY_FUNCTION__).warning("QShortcut: Initialize QApplication before calling '" "setContext" "'."); return; };-
339 d->sc_context = context;-
340 d->redoGrab((static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap);-
341}-
342-
343Qt::ShortcutContext QShortcut::context() const-
344{-
345 const QShortcutPrivate * const d = d_func();-
346 return d->sc_context;-
347}-
348void QShortcut::setWhatsThis(const QString &text)-
349{-
350 QShortcutPrivate * const d = d_func();-
351 d->sc_whatsthis = text;-
352}-
353-
354QString QShortcut::whatsThis() const-
355{-
356 const QShortcutPrivate * const d = d_func();-
357 return d->sc_whatsthis;-
358}-
359void QShortcut::setAutoRepeat(bool on)-
360{-
361 QShortcutPrivate * const d = d_func();-
362 if (d->sc_autorepeat == on)-
363 return;-
364 if (!((__builtin_expect(!!(!(static_cast<QApplication *>(QCoreApplication::instance())))()))), false)) { QMessageLogger(__FILE__, 605611, __PRETTY_FUNCTION__).warning("QShortcut: Initialize QApplication before calling '" "setAutoRepeat" "'."); return; };-
365 d->sc_autorepeat = on;-
366 (static_cast<QApplication *>(QCoreApplication::instance()))->d_func()->shortcutMap.setShortcutAutoRepeat(on, d->sc_id, this);-
367}-
368-
369bool QShortcut::autoRepeat() const-
370{-
371 const QShortcutPrivate * const d = d_func();-
372 return d->sc_autorepeat;-
373}-
374-
375-
376-
377-
378-
379-
380int QShortcut::id() const-
381{-
382 const QShortcutPrivate * const d = d_func();-
383 return d->sc_id;-
384}-
385-
386-
387-
388-
389bool QShortcut::event(QEvent *e)-
390{-
391 QShortcutPrivate * const d = d_func();-
392 bool handled = false;-
393 if (d->sc_enabled && e->type() == QEvent::Shortcut) {-
394 QShortcutEvent *se = static_cast<QShortcutEvent *>(e);-
395 if (se->shortcutId() == d->sc_id && se->key() == d->sc_sequence){-
396-
397 if (QWhatsThis::inWhatsThisMode()) {-
398 QWhatsThis::showText(QCursor::pos(), d->sc_whatsthis);-
399 handled = true;-
400 } else-
401-
402 if (se->isAmbiguous())-
403 activatedAmbiguously();-
404 else-
405 activated();-
406 handled = true;-
407 }-
408 }-
409 return handled;-
410}-
411-
412-
413-
414-
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