qwindowcontainer.cpp

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5class QWindowContainerPrivate : public QWidgetPrivate-
6{-
7public:-
8 inline QWindowContainer* q_func() { return static_cast<QWindowContainer *>(q_ptr); } inline const QWindowContainer* q_func() const { return static_cast<const QWindowContainer *>(q_ptr); } friend class QWindowContainer;-
9-
10 QWindowContainerPrivate()-
11 : window(0)-
12 , oldFocusWindow(0)-
13 , usesNativeWidgets(false)-
14 {-
15 }-
16-
17 ~QWindowContainerPrivate() { }-
18-
19 static QWindowContainerPrivate *get(QWidget *w) {-
20 QWindowContainer *wc = qobject_cast<QWindowContainer *>(w);-
21 if (wc)-
22 return wc->d_func();-
23 return 0;-
24 }-
25-
26 void updateGeometry() {-
27 QWindowContainer * const q = q_func();-
28 if (!q->isWindow() && (q->geometry().bottom() <= 0 || q->geometry().right() <= 0))-
29-
30-
31-
32-
33-
34 window->setGeometry(q->geometry());-
35 else if (usesNativeWidgets)-
36 window->setGeometry(q->rect());-
37 else-
38 window->setGeometry(QRect(q->mapTo(q->window(), QPoint()), q->size()));-
39 }-
40-
41 void updateUsesNativeWidgets()-
42 {-
43 if (usesNativeWidgets || window->parent() == 0)-
44 return;-
45 QWindowContainer * const q = q_func();-
46 if (q->internalWinId()) {-
47-
48 usesNativeWidgets = true;-
49 return;-
50 }-
51 QWidget *p = q->parentWidget();-
52 while (p) {-
53 if (-
54-
55 qobject_cast<QMdiSubWindow *>(p) != 0 ||-
56-
57 qobject_cast<QAbstractScrollArea *>(p) != 0) {-
58 q->winId();-
59 usesNativeWidgets = true;-
60 break;-
61 }-
62 p = p->parentWidget();-
63 }-
64 }-
65-
66 void markParentChain() {-
67 QWindowContainer * const q = q_func();-
68 QWidget *p = q;-
69 while (p) {-
70 QWidgetPrivate *d = static_cast<QWidgetPrivate *>(QWidgetPrivate::get(p));-
71 d->createExtra();-
72 d->extra->hasWindowContainer = true;-
73 p = p->parentWidget();-
74 }-
75 }-
76-
77 bool isStillAnOrphan() const {-
78 return window->parent() == &fakeParent;-
79 }-
80-
81 QPointer<QWindow> window;-
82 QWindow *oldFocusWindow;-
83 QWindow fakeParent;-
84-
85 uint usesNativeWidgets : 1;-
86};-
87QWidget *QWidget::createWindowContainer(QWindow *window, QWidget *parent, Qt::WindowFlags flags)-
88{-
89 return new QWindowContainer(window, parent, flags);-
90}-
91-
92-
93-
94-
95-
96-
97-
98QWindowContainer::QWindowContainer(QWindow *embeddedWindow, QWidget *parent, Qt::WindowFlags flags)-
99 : QWidget(*new QWindowContainerPrivate, parent, flags)-
100{-
101 QWindowContainerPrivate * const d = d_func();-
102 if (!(__builtin_expect(!!(!
__builtin_expe...indow), false)Description
TRUEnever evaluated
FALSEnever evaluated
embeddedWindow)), false)
__builtin_expe...indow), false)Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
103 QMessageLogger(__FILE__, 204210, __PRETTY_FUNCTION__).warning("QWindowContainer: embedded window cannot be null");-
104 return;
never executed: return;
0
105 }-
106-
107-
108-
109 if (embeddedWindow->surfaceType() == QSurface::RasterSurface
embeddedWindow...:RasterSurfaceDescription
TRUEnever evaluated
FALSEnever evaluated
0
110 && QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::RasterGLSurface)
QGuiApplicatio...sterGLSurface)Description
TRUEnever evaluated
FALSEnever evaluated
0
111 && !QApplication::testAttribute(Qt::AA_ForceRasterWidgets)
!QApplication:...RasterWidgets)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
112 embeddedWindow->setSurfaceType(QSurface::RasterGLSurface);
never executed: embeddedWindow->setSurfaceType(QSurface::RasterGLSurface);
0
113-
114 d->window = embeddedWindow;-
115 d->window->setParent(&d->fakeParent);-
116 setAcceptDrops(true);-
117-
118 connect(QGuiApplication::instance(), qFlagLocation("2""focusWindowChanged(QWindow*)" "\0" __FILE__ ":" "219""225"), this, qFlagLocation("1""focusWindowChanged(QWindow*)" "\0" __FILE__ ":" "219""225"));-
119}
never executed: end of block
0
120-
121QWindow *QWindowContainer::containedWindow() const-
122{-
123 const QWindowContainerPrivate * const d = d_func();-
124 return d->window;-
125}-
126-
127-
128-
129-
130-
131QWindowContainer::~QWindowContainer()-
132{-
133 QWindowContainerPrivate * const d = d_func();-
134 delete d->window;-
135}-
136-
137-
138-
139-
140-
141-
142-
143void QWindowContainer::focusWindowChanged(QWindow *focusWindow)-
144{-
145 QWindowContainerPrivate * const d = d_func();-
146 d->oldFocusWindow = focusWindow;-
147 if (focusWindow == d->window) {-
148 QWidget *widget = QApplication::focusWidget();-
149 if (widget)-
150 widget->clearFocus();-
151 }-
152}-
153-
154-
155-
156-
157-
158bool QWindowContainer::event(QEvent *e)-
159{-
160 QWindowContainerPrivate * const d = d_func();-
161 if (!d->window)-
162 return QWidget::event(e);-
163-
164 QEvent::Type type = e->type();-
165 switch (type) {-
166 case QEvent::ChildRemoved: {-
167 QChildEvent *ce = static_cast<QChildEvent *>(e);-
168 if (ce->child() == d->window)-
169 d->window = 0;-
170 break;-
171 }-
172-
173-
174 case QEvent::Resize:-
175 d->updateGeometry();-
176 break;-
177 case QEvent::Move:-
178 d->updateGeometry();-
179 break;-
180 case QEvent::PolishRequest:-
181 d->updateGeometry();-
182 break;-
183 case QEvent::Show:-
184 d->updateUsesNativeWidgets();-
185 if (d->isStillAnOrphan()) {-
186 d->window->setParent(d->usesNativeWidgets-
187 ? windowHandle()-
188 : window()->windowHandle());-
189 }-
190 if (d->window->parent()) {-
191 d->markParentChain();-
192 d->window->show();-
193 }-
194 break;-
195 case QEvent::Hide:-
196 if (d->window->parent())-
197 d->window->hide();-
198 break;-
199 case QEvent::FocusIn:-
200 if (d->window->parent()) {-
201 if (d->oldFocusWindow != d->window) {-
202 d->window->requestActivate();-
203 } else {-
204 QWidget *next = nextInFocusChain();-
205 next->setFocus();-
206 }-
207 }-
208 break;-
209-
210 case QEvent::Drop:-
211 case QEvent::DragMove:-
212 case QEvent::DragLeave:-
213 QCoreApplication::sendEvent(d->window, e);-
214 return e->isAccepted();-
215 case QEvent::DragEnter:-
216-
217-
218 QCoreApplication::sendEvent(d->window, e);-
219 e->accept();-
220 return true;-
221-
222 default:-
223 break;-
224 }-
225-
226 return QWidget::event(e);-
227}-
228-
229typedef void (*qwindowcontainer_traverse_callback)(QWidget *parent);-
230static void qwindowcontainer_traverse(QWidget *parent, qwindowcontainer_traverse_callback callback)-
231{-
232 const QObjectList &children = parent->children();-
233 for (int i=0; i<children.size(); ++i) {-
234 QWidget *w = qobject_cast<QWidget *>(children.at(i));-
235 if (w) {-
236 QWidgetPrivate *wd = static_cast<QWidgetPrivate *>(QWidgetPrivate::get(w));-
237 if (wd->extra && wd->extra->hasWindowContainer)-
238 callback(w);-
239 }-
240 }-
241}-
242-
243void QWindowContainer::toplevelAboutToBeDestroyed(QWidget *parent)-
244{-
245 if (QWindowContainerPrivate *d = QWindowContainerPrivate::get(parent)) {-
246 d->window->setParent(&d->fakeParent);-
247 }-
248 qwindowcontainer_traverse(parent, toplevelAboutToBeDestroyed);-
249}-
250-
251void QWindowContainer::parentWasChanged(QWidget *parent)-
252{-
253 if (QWindowContainerPrivate *d = QWindowContainerPrivate::get(parent)) {-
254 if (d->window->parent()) {-
255 d->updateUsesNativeWidgets();-
256 d->markParentChain();-
257 QWidget *toplevel = d->usesNativeWidgets ? parent : parent->window();-
258 if (!toplevel->windowHandle()) {-
259 QWidgetPrivate *tld = static_cast<QWidgetPrivate *>(QWidgetPrivate::get(toplevel));-
260 tld->createTLExtra();-
261 tld->createTLSysExtra();-
262 ((!(toplevel->windowHandle())) ? qt_assert("toplevel->windowHandle()",__FILE__,363369) : qt_noop());-
263 }-
264 d->window->setParent(toplevel->windowHandle());-
265 d->updateGeometry();-
266 }-
267 }-
268 qwindowcontainer_traverse(parent, parentWasChanged);-
269}-
270-
271void QWindowContainer::parentWasMoved(QWidget *parent)-
272{-
273 if (QWindowContainerPrivate *d = QWindowContainerPrivate::get(parent)) {-
274 if (d->window->parent())-
275 d->updateGeometry();-
276 }-
277 qwindowcontainer_traverse(parent, parentWasMoved);-
278}-
279-
280void QWindowContainer::parentWasRaised(QWidget *parent)-
281{-
282 if (QWindowContainerPrivate *d = QWindowContainerPrivate::get(parent)) {-
283 if (d->window->parent())-
284 d->window->raise();-
285 }-
286 qwindowcontainer_traverse(parent, parentWasRaised);-
287}-
288-
289void QWindowContainer::parentWasLowered(QWidget *parent)-
290{-
291 if (QWindowContainerPrivate *d = QWindowContainerPrivate::get(parent)) {-
292 if (d->window->parent())-
293 d->window->lower();-
294 }-
295 qwindowcontainer_traverse(parent, parentWasLowered);-
296}-
297-
298-
299-
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