kernel/qwidgetwindow.cpp

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1/****************************************************************************-
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** accordance with the commercial license agreement provided with the
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** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/****************************************************************************
2** -
3** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -
4** Contact: http://www.qt-project.org/legal -
5** -
6** This file is part of the QtGui module of the Qt Toolkit. -
7** -
8** $QT_BEGIN_LICENSE:LGPL$ -
9** Commercial License Usage -
10** Licensees holding valid commercial Qt licenses may use this file in -
11** accordance with the commercial license agreement provided with the -
12** Software or, alternatively, in accordance with the terms contained in -
13** a written agreement between you and Digia. For licensing terms and -
14** conditions see http://qt.digia.com/licensing. For further information -
15** use the contact form at http://qt.digia.com/contact-us. -
16** -
17** GNU Lesser General Public License Usage -
18** Alternatively, this file may be used under the terms of the GNU Lesser -
19** General Public License version 2.1 as published by the Free Software -
20** Foundation and appearing in the file LICENSE.LGPL included in the -
21** packaging of this file. Please review the following information to -
22** ensure the GNU Lesser General Public License version 2.1 requirements -
23** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -
24** -
25** In addition, as a special exception, Digia gives you certain additional -
26** rights. These rights are described in the Digia Qt LGPL Exception -
27** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -
28** -
29** GNU General Public License Usage -
30** Alternatively, this file may be used under the terms of the GNU -
31** General Public License version 3.0 as published by the Free Software -
32** Foundation and appearing in the file LICENSE.GPL included in the -
33** packaging of this file. Please review the following information to -
34** ensure the GNU General Public License version 3.0 requirements will be -
35** met: http://www.gnu.org/copyleft/gpl.html. -
36** -
37** -
38** $QT_END_LICENSE$ -
39** -
40****************************************************************************/ -
41 -
42#include "private/qwindow_p.h" -
43#include "qwidgetwindow_qpa_p.h" -
44 -
45#include "private/qwidget_p.h" -
46#include "private/qapplication_p.h" -
47#ifndef QT_NO_ACCESSIBILITY -
48#include <QtGui/qaccessible.h> -
49#endif -
50#include <private/qwidgetbackingstore_p.h> -
51#include <qpa/qwindowsysteminterface_p.h> -
52 -
53QT_BEGIN_NAMESPACE -
54 -
55QWidget *qt_button_down = 0; // widget got last button-down -
56static QWidget *qt_tablet_target = 0; -
57 -
58// popup control -
59QWidget *qt_popup_down = 0; // popup that contains the pressed widget -
60extern int openPopupCount; -
61bool qt_replay_popup_mouse_event = false; -
62extern bool qt_try_modal(QWidget *widget, QEvent::Type type); -
63 -
64class QWidgetWindowPrivate : public QWindowPrivate -
65{ -
66 Q_DECLARE_PUBLIC(QWidgetWindow) -
67public: -
68 QWindow *eventReceiver() { -
69 Q_Q(QWidgetWindow);
executed (the execution status of this line is deduced): QWidgetWindow * const q = q_func();
-
70 QWindow *w = q;
executed (the execution status of this line is deduced): QWindow *w = q;
-
71 while (w->parent() && qobject_cast<QWidgetWindow *>(w) && qobject_cast<QWidgetWindow *>(w->parent())) {
partially evaluated: w->parent()
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:1812
never evaluated: qobject_cast<QWidgetWindow *>(w)
never evaluated: qobject_cast<QWidgetWindow *>(w->parent())
0-1812
72 w = w->parent();
never executed (the execution status of this line is deduced): w = w->parent();
-
73 }
never executed: }
0
74 return w;
executed: return w;
Execution Count:1812
1812
75 } -
76}; -
77 -
78QWidgetWindow::QWidgetWindow(QWidget *widget) -
79 : QWindow(*new QWidgetWindowPrivate(), 0) -
80 , m_widget(widget) -
81{ -
82 updateObjectName();
executed (the execution status of this line is deduced): updateObjectName();
-
83 connect(m_widget, &QObject::objectNameChanged, this, &QWidgetWindow::updateObjectName);
executed (the execution status of this line is deduced): connect(m_widget, &QObject::objectNameChanged, this, &QWidgetWindow::updateObjectName);
-
84}
executed: }
Execution Count:3470
3470
85 -
86#ifndef QT_NO_ACCESSIBILITY -
87QAccessibleInterface *QWidgetWindow::accessibleRoot() const -
88{ -
89 if (m_widget) -
90 return QAccessible::queryAccessibleInterface(m_widget); -
91 return 0; -
92} -
93#endif -
94 -
95QObject *QWidgetWindow::focusObject() const -
96{ -
97 QWidget *widget = m_widget->focusWidget(); -
98 -
99 if (!widget) -
100 widget = m_widget; -
101 -
102 return widget; -
103} -
104 -
105bool QWidgetWindow::event(QEvent *event) -
106{ -
107 if (m_widget->testAttribute(Qt::WA_DontShowOnScreen)) { -
108 // \a event is uninteresting for QWidgetWindow, the event was probably -
109 // generated before WA_DontShowOnScreen was set -
110 return m_widget->event(event); -
111 } -
112 -
113 switch (event->type()) { -
114 case QEvent::Close: -
115 handleCloseEvent(static_cast<QCloseEvent *>(event)); -
116 return true; -
117 -
118 case QEvent::Enter: -
119 case QEvent::Leave: -
120 handleEnterLeaveEvent(event); -
121 return true; -
122 -
123 // these should not be sent to QWidget, the corresponding events -
124 // are sent by QApplicationPrivate::notifyActiveWindowChange() -
125 case QEvent::FocusIn: -
126 case QEvent::FocusOut: { -
127#ifndef QT_NO_ACCESSIBILITY -
128 QAccessible::State state; -
129 state.active = true; -
130 QAccessibleStateChangeEvent ev(widget(), state); -
131 QAccessible::updateAccessibility(&ev); -
132#endif -
133 return false; } -
134 -
135 case QEvent::FocusAboutToChange: -
136 if (QApplicationPrivate::focus_widget) { -
137 if (QApplicationPrivate::focus_widget->testAttribute(Qt::WA_InputMethodEnabled)) -
138 qApp->inputMethod()->commit(); -
139 -
140 QGuiApplication::sendSpontaneousEvent(QApplicationPrivate::focus_widget, event); -
141 } -
142 return true; -
143 -
144 case QEvent::KeyPress: -
145 case QEvent::KeyRelease: -
146 case QEvent::ShortcutOverride: -
147 handleKeyEvent(static_cast<QKeyEvent *>(event)); -
148 return true; -
149 -
150 case QEvent::MouseMove: -
151 case QEvent::MouseButtonPress: -
152 case QEvent::MouseButtonRelease: -
153 case QEvent::MouseButtonDblClick: -
154 handleMouseEvent(static_cast<QMouseEvent *>(event)); -
155 return true; -
156 -
157 case QEvent::NonClientAreaMouseMove: -
158 case QEvent::NonClientAreaMouseButtonPress: -
159 case QEvent::NonClientAreaMouseButtonRelease: -
160 case QEvent::NonClientAreaMouseButtonDblClick: -
161 handleNonClientAreaMouseEvent(static_cast<QMouseEvent *>(event)); -
162 return true; -
163 -
164 case QEvent::TouchBegin: -
165 case QEvent::TouchUpdate: -
166 case QEvent::TouchEnd: -
167 case QEvent::TouchCancel: -
168 handleTouchEvent(static_cast<QTouchEvent *>(event)); -
169 return true; -
170 -
171 case QEvent::Move: -
172 handleMoveEvent(static_cast<QMoveEvent *>(event)); -
173 return true; -
174 -
175 case QEvent::Resize: -
176 handleResizeEvent(static_cast<QResizeEvent *>(event)); -
177 return true; -
178 -
179#ifndef QT_NO_WHEELEVENT -
180 case QEvent::Wheel: -
181 handleWheelEvent(static_cast<QWheelEvent *>(event)); -
182 return true; -
183#endif -
184 -
185#ifndef QT_NO_DRAGANDDROP -
186 case QEvent::DragEnter: -
187 case QEvent::DragMove: -
188 handleDragEnterMoveEvent(static_cast<QDragMoveEvent *>(event)); -
189 return true; -
190 case QEvent::DragLeave: -
191 handleDragLeaveEvent(static_cast<QDragLeaveEvent *>(event)); -
192 return true; -
193 case QEvent::Drop: -
194 handleDropEvent(static_cast<QDropEvent *>(event)); -
195 return true; -
196#endif -
197 -
198 case QEvent::Expose: -
199 handleExposeEvent(static_cast<QExposeEvent *>(event)); -
200 return true; -
201 -
202 case QEvent::WindowStateChange: -
203 handleWindowStateChangedEvent(static_cast<QWindowStateChangeEvent *>(event)); -
204 return true; -
205 -
206 case QEvent::ThemeChange: { -
207 QEvent widgetEvent(QEvent::ThemeChange); -
208 QGuiApplication::sendSpontaneousEvent(m_widget, &widgetEvent); -
209 } -
210 return true; -
211 -
212#ifndef QT_NO_TABLETEVENT -
213 case QEvent::TabletPress: -
214 case QEvent::TabletMove: -
215 case QEvent::TabletRelease: -
216 handleTabletEvent(static_cast<QTabletEvent *>(event)); -
217 return true; -
218#endif -
219#ifndef QT_NO_CONTEXTMENU -
220 case QEvent::ContextMenu: -
221 handleContextMenuEvent(static_cast<QContextMenuEvent *>(event)); -
222 return true; -
223#endif -
224 -
225 // Handing show events to widgets (see below) here would cause them to be triggered twice -
226 case QEvent::Show: -
227 case QEvent::Hide: -
228 return QWindow::event(event); -
229 -
230 default: -
231 break; -
232 } -
233 -
234 return m_widget->event(event) || QWindow::event(event); -
235} -
236 -
237QPointer<QWidget> qt_last_mouse_receiver = 0; -
238 -
239void QWidgetWindow::handleEnterLeaveEvent(QEvent *event) -
240{ -
241 if (event->type() == QEvent::Leave) { -
242 QWidget *enter = 0; -
243 // Check from window system event queue if the next queued enter targets a window -
244 // in the same window hierarchy (e.g. enter a child of this window). If so, -
245 // remove the enter event from queue and handle both in single dispatch. -
246 QWindowSystemInterfacePrivate::EnterEvent *systemEvent = -
247 static_cast<QWindowSystemInterfacePrivate::EnterEvent *> -
248 (QWindowSystemInterfacePrivate::peekWindowSystemEvent(QWindowSystemInterfacePrivate::Enter)); -
249 const QPointF globalPosF = systemEvent ? systemEvent->globalPos : QGuiApplicationPrivate::lastCursorPosition; -
250 if (systemEvent) { -
251 if (QWidgetWindow *enterWindow = qobject_cast<QWidgetWindow *>(systemEvent->enter)) -
252 { -
253 QWindow *thisParent = this; -
254 QWindow *enterParent = enterWindow; -
255 while (thisParent->parent()) -
256 thisParent = thisParent->parent(); -
257 while (enterParent->parent()) -
258 enterParent = enterParent->parent(); -
259 if (thisParent == enterParent) { -
260 QGuiApplicationPrivate::currentMouseWindow = enterWindow; -
261 enter = enterWindow->widget(); -
262 QWindowSystemInterfacePrivate::removeWindowSystemEvent(systemEvent); -
263 } -
264 } -
265 } -
266 // Enter-leave between sibling widgets is ignored when there is a mousegrabber - this makes -
267 // both native and non-native widgets work similarly. -
268 // When mousegrabbing, leaves are only generated if leaving the parent window. -
269 if (!enter || !QWidget::mouseGrabber()) { -
270 // Preferred leave target is the last mouse receiver, unless it has native window, -
271 // in which case it is assumed to receive it's own leave event when relevant. -
272 QWidget *leave = m_widget; -
273 if (qt_last_mouse_receiver && !qt_last_mouse_receiver->internalWinId()) -
274 leave = qt_last_mouse_receiver.data(); -
275 QApplicationPrivate::dispatchEnterLeave(enter, leave, globalPosF); -
276 qt_last_mouse_receiver = enter; -
277 } -
278 } else { -
279 const QEnterEvent *ee = static_cast<QEnterEvent *>(event); -
280 QWidget *child = m_widget->childAt(ee->pos()); -
281 QWidget *receiver = child ? child : m_widget; -
282 QApplicationPrivate::dispatchEnterLeave(receiver, 0, ee->screenPos()); -
283 qt_last_mouse_receiver = receiver; -
284 } -
285} -
286 -
287void QWidgetWindow::handleNonClientAreaMouseEvent(QMouseEvent *e) -
288{ -
289 QApplication::sendSpontaneousEvent(m_widget, e); -
290} -
291 -
292void QWidgetWindow::handleMouseEvent(QMouseEvent *event) -
293{ -
294 if (qApp->d_func()->inPopupMode()) { -
295 QWidget *activePopupWidget = qApp->activePopupWidget(); -
296 QWidget *popup = activePopupWidget; -
297 QPoint mapped = event->pos(); -
298 if (popup != m_widget) -
299 mapped = popup->mapFromGlobal(event->globalPos()); -
300 bool releaseAfter = false; -
301 QWidget *popupChild = popup->childAt(mapped); -
302 -
303 if (popup != qt_popup_down) { -
304 qt_button_down = 0; -
305 qt_popup_down = 0; -
306 } -
307 -
308 switch (event->type()) { -
309 case QEvent::MouseButtonPress: -
310 case QEvent::MouseButtonDblClick: -
311 qt_button_down = popupChild; -
312 qt_popup_down = popup; -
313 break; -
314 case QEvent::MouseButtonRelease: -
315 releaseAfter = true; -
316 break; -
317 default: -
318 break; // nothing for mouse move -
319 } -
320 -
321 int oldOpenPopupCount = openPopupCount; -
322 -
323 if (popup->isEnabled()) { -
324 // deliver event -
325 qt_replay_popup_mouse_event = false; -
326 QWidget *receiver = popup; -
327 QPoint widgetPos = mapped; -
328 if (qt_button_down) -
329 receiver = qt_button_down; -
330 else if (popupChild) -
331 receiver = popupChild; -
332 if (receiver != popup) -
333 widgetPos = receiver->mapFromGlobal(event->globalPos()); -
334 QWidget *alien = m_widget->childAt(m_widget->mapFromGlobal(event->globalPos())); -
335 QMouseEvent e(event->type(), widgetPos, event->windowPos(), event->screenPos(), event->button(), event->buttons(), event->modifiers()); -
336 e.setTimestamp(event->timestamp()); -
337 QApplicationPrivate::sendMouseEvent(receiver, &e, alien, m_widget, &qt_button_down, qt_last_mouse_receiver); -
338 } else { -
339 // close disabled popups when a mouse button is pressed or released -
340 switch (event->type()) { -
341 case QEvent::MouseButtonPress: -
342 case QEvent::MouseButtonDblClick: -
343 case QEvent::MouseButtonRelease: -
344 popup->close(); -
345 break; -
346 default: -
347 break; -
348 } -
349 } -
350 -
351 if (qApp->activePopupWidget() != activePopupWidget -
352 && qt_replay_popup_mouse_event) { -
353 if (m_widget->windowType() != Qt::Popup) -
354 qt_button_down = 0; -
355 qt_replay_popup_mouse_event = false; -
356#ifndef QT_NO_CONTEXTMENU -
357 } else if (event->type() == QEvent::MouseButtonPress -
358 && event->button() == Qt::RightButton -
359 && (openPopupCount == oldOpenPopupCount)) { -
360 QWidget *popupEvent = popup; -
361 if (qt_button_down) -
362 popupEvent = qt_button_down; -
363 else if(popupChild) -
364 popupEvent = popupChild; -
365 QContextMenuEvent e(QContextMenuEvent::Mouse, mapped, event->globalPos(), event->modifiers()); -
366 QApplication::sendSpontaneousEvent(popupEvent, &e); -
367#endif -
368 } -
369 -
370 if (releaseAfter) { -
371 qt_button_down = 0; -
372 qt_popup_down = 0; -
373 } -
374 return; -
375 } -
376 -
377 // modal event handling -
378 if (QApplicationPrivate::instance()->modalState() && !qt_try_modal(m_widget, event->type())) -
379 return; -
380 -
381 // which child should have it? -
382 QWidget *widget = m_widget->childAt(event->pos()); -
383 QPoint mapped = event->pos(); -
384 -
385 if (!widget) -
386 widget = m_widget; -
387 -
388 if (event->type() == QEvent::MouseButtonPress && !qt_button_down) -
389 qt_button_down = widget; -
390 -
391 QWidget *receiver = QApplicationPrivate::pickMouseReceiver(m_widget, event->windowPos().toPoint(), &mapped, event->type(), event->buttons(), -
392 qt_button_down, widget); -
393 -
394 if (!receiver) { -
395 if (event->type() == QEvent::MouseButtonRelease) -
396 QApplicationPrivate::mouse_buttons &= ~event->button(); -
397 return; -
398 } -
399 -
400 QMouseEvent translated(event->type(), mapped, event->windowPos(), event->screenPos(), event->button(), event->buttons(), event->modifiers()); -
401 translated.setTimestamp(event->timestamp()); -
402 QApplicationPrivate::sendMouseEvent(receiver, &translated, widget, m_widget, &qt_button_down, -
403 qt_last_mouse_receiver); -
404 -
405#ifndef QT_NO_CONTEXTMENU -
406 if (event->type() == QEvent::MouseButtonPress && event->button() == Qt::RightButton) { -
407 QContextMenuEvent e(QContextMenuEvent::Mouse, mapped, event->globalPos(), event->modifiers()); -
408 QGuiApplication::sendSpontaneousEvent(receiver, &e); -
409 } -
410#endif -
411} -
412 -
413void QWidgetWindow::handleTouchEvent(QTouchEvent *event) -
414{ -
415 if (event->type() == QEvent::TouchCancel) -
416 QApplicationPrivate::translateTouchCancel(event->device(), event->timestamp()); -
417 else -
418 QApplicationPrivate::translateRawTouchEvent(m_widget, event->device(), event->touchPoints(), event->timestamp()); -
419} -
420 -
421void QWidgetWindow::handleKeyEvent(QKeyEvent *event) -
422{ -
423 if (QApplicationPrivate::instance()->modalState() && !qt_try_modal(m_widget, event->type())) -
424 return; -
425 -
426 QObject *receiver = 0; -
427 if (QApplicationPrivate::inPopupMode()) { -
428 QWidget *popup = QApplication::activePopupWidget(); -
429 QWidget *popupFocusWidget = popup->focusWidget(); -
430 receiver = popupFocusWidget ? popupFocusWidget : popup; -
431 } -
432 if (!receiver) -
433 receiver = QWidget::keyboardGrabber(); -
434 if (!receiver) -
435 receiver = focusObject(); -
436 QGuiApplication::sendSpontaneousEvent(receiver, event); -
437} -
438 -
439void QWidgetWindow::updateGeometry() -
440{ -
441 if (m_widget->testAttribute(Qt::WA_OutsideWSRange)) -
442 return; -
443 -
444 const QMargins margins = frameMargins(); -
445 -
446 m_widget->data->crect = geometry(); -
447 QTLWExtra *te = m_widget->d_func()->topData(); -
448 te->posIncludesFrame= false; -
449 te->frameStrut.setCoords(margins.left(), margins.top(), margins.right(), margins.bottom()); -
450 m_widget->data->fstrut_dirty = false; -
451} -
452 -
453void QWidgetWindow::handleMoveEvent(QMoveEvent *event) -
454{ -
455 updateGeometry(); -
456 QGuiApplication::sendSpontaneousEvent(m_widget, event); -
457} -
458 -
459void QWidgetWindow::handleResizeEvent(QResizeEvent *event) -
460{ -
461 QSize oldSize = m_widget->data->crect.size(); -
462 -
463 updateGeometry(); -
464 QGuiApplication::sendSpontaneousEvent(m_widget, event); -
465 -
466 if (m_widget->d_func()->paintOnScreen()) { -
467 QRegion updateRegion(geometry()); -
468 if (m_widget->testAttribute(Qt::WA_StaticContents)) -
469 updateRegion -= QRect(0, 0, oldSize.width(), oldSize.height()); -
470 m_widget->d_func()->syncBackingStore(updateRegion); -
471 } else { -
472 m_widget->d_func()->syncBackingStore(); -
473 } -
474} -
475 -
476void QWidgetWindow::handleCloseEvent(QCloseEvent *) -
477{ -
478 m_widget->d_func()->close_helper(QWidgetPrivate::CloseWithSpontaneousEvent); -
479} -
480 -
481#ifndef QT_NO_WHEELEVENT -
482 -
483void QWidgetWindow::handleWheelEvent(QWheelEvent *event) -
484{ -
485 if (QApplicationPrivate::instance()->modalState() && !qt_try_modal(m_widget, event->type())) -
486 return; -
487 -
488 // which child should have it? -
489 QWidget *widget = m_widget->childAt(event->pos()); -
490 -
491 if (!widget) -
492 widget = m_widget; -
493 -
494 QPoint mapped = widget->mapFrom(m_widget, event->pos()); -
495 -
496 QWheelEvent translated(mapped, event->globalPos(), event->pixelDelta(), event->angleDelta(), event->delta(), event->orientation(), event->buttons(), event->modifiers()); -
497 QGuiApplication::sendSpontaneousEvent(widget, &translated); -
498} -
499 -
500#endif // QT_NO_WHEELEVENT -
501 -
502#ifndef QT_NO_DRAGANDDROP -
503 -
504void QWidgetWindow::handleDragEnterMoveEvent(QDragMoveEvent *event) -
505{ -
506 Q_ASSERT(event->type() ==QEvent::DragMove || !m_dragTarget); -
507 // Find a target widget under mouse that accepts drops (QTBUG-22987). -
508 QWidget *widget = m_widget->childAt(event->pos()); -
509 if (!widget) -
510 widget = m_widget; -
511 for ( ; widget && !widget->isWindow() && !widget->acceptDrops(); widget = widget->parentWidget()) ; -
512 if (widget && !widget->acceptDrops()) -
513 widget = 0; -
514 // Target widget unchanged: DragMove -
515 if (widget && widget == m_dragTarget.data()) { -
516 Q_ASSERT(event->type() == QEvent::DragMove); -
517 const QPoint mapped = widget->mapFromGlobal(m_widget->mapToGlobal(event->pos())); -
518 QDragMoveEvent translated(mapped, event->possibleActions(), event->mimeData(), event->mouseButtons(), event->keyboardModifiers()); -
519 translated.setDropAction(event->dropAction()); -
520 if (event->isAccepted()) { // Handling 'DragEnter' should suffice for the application. -
521 translated.accept(); -
522 translated.setDropAction(event->dropAction()); -
523 } -
524 QGuiApplication::sendSpontaneousEvent(widget, &translated); -
525 if (translated.isAccepted()) { -
526 event->accept(); -
527 } else { -
528 event->ignore(); -
529 } -
530 event->setDropAction(translated.dropAction()); -
531 return; -
532 } -
533 // Target widget changed: Send DragLeave to previous, DragEnter to new if there is any -
534 if (m_dragTarget.data()) { -
535 QDragLeaveEvent le; -
536 QGuiApplication::sendSpontaneousEvent(m_dragTarget.data(), &le); -
537 m_dragTarget = 0; -
538 } -
539 if (!widget) { -
540 event->ignore(); -
541 return; -
542 } -
543 m_dragTarget = widget; -
544 const QPoint mapped = widget->mapFromGlobal(m_widget->mapToGlobal(event->pos())); -
545 QDragEnterEvent translated(mapped, event->possibleActions(), event->mimeData(), event->mouseButtons(), event->keyboardModifiers()); -
546 QGuiApplication::sendSpontaneousEvent(widget, &translated); -
547 if (translated.isAccepted()) { -
548 event->accept(); -
549 } else { -
550 event->ignore(); -
551 } -
552 event->setDropAction(translated.dropAction()); -
553} -
554 -
555void QWidgetWindow::handleDragLeaveEvent(QDragLeaveEvent *event) -
556{ -
557 if (m_dragTarget) -
558 QGuiApplication::sendSpontaneousEvent(m_dragTarget.data(), event); -
559 m_dragTarget = 0; -
560} -
561 -
562void QWidgetWindow::handleDropEvent(QDropEvent *event) -
563{ -
564 const QPoint mapped = m_dragTarget.data()->mapFromGlobal(m_widget->mapToGlobal(event->pos())); -
565 QDropEvent translated(mapped, event->possibleActions(), event->mimeData(), event->mouseButtons(), event->keyboardModifiers()); -
566 QGuiApplication::sendSpontaneousEvent(m_dragTarget.data(), &translated); -
567 if (translated.isAccepted()) -
568 event->accept(); -
569 event->setDropAction(translated.dropAction()); -
570 m_dragTarget = 0; -
571} -
572 -
573#endif // QT_NO_DRAGANDDROP -
574 -
575void QWidgetWindow::handleExposeEvent(QExposeEvent *event) -
576{ -
577 if (isExposed()) { -
578 m_widget->setAttribute(Qt::WA_Mapped); -
579 if (!event->region().isNull()) { -
580 // Exposed native widgets need to be marked dirty to get them repainted correctly. -
581 if (m_widget->internalWinId() && !m_widget->isWindow() && m_widget->isVisible() && m_widget->updatesEnabled()) { -
582 if (QWidgetBackingStore *bs = m_widget->d_func()->maybeBackingStore()) -
583 bs->markDirty(event->region(), m_widget); -
584 } -
585 m_widget->d_func()->syncBackingStore(event->region()); -
586 } -
587 } else { -
588 m_widget->setAttribute(Qt::WA_Mapped, false); -
589 } -
590} -
591 -
592Qt::WindowState effectiveState(Qt::WindowStates state); -
593 -
594void QWidgetWindow::handleWindowStateChangedEvent(QWindowStateChangeEvent *event) -
595{ -
596 // QWindow does currently not know 'active'. -
597 Qt::WindowStates eventState = event->oldState(); -
598 Qt::WindowStates widgetState = m_widget->windowState(); -
599 if (widgetState & Qt::WindowActive) -
600 eventState |= Qt::WindowActive; -
601 -
602 // Determine the new widget state, remember maximized/full screen -
603 // during minimized. -
604 switch (windowState()) { -
605 case Qt::WindowNoState: -
606 widgetState &= ~(Qt::WindowMinimized | Qt::WindowMaximized | Qt::WindowFullScreen); -
607 break; -
608 case Qt::WindowMinimized: -
609 widgetState |= Qt::WindowMinimized; -
610 break; -
611 case Qt::WindowMaximized: -
612 if (effectiveState(widgetState) == Qt::WindowNoState) -
613 if (QTLWExtra *tle = m_widget->d_func()->maybeTopData()) -
614 tle->normalGeometry = m_widget->geometry(); -
615 widgetState |= Qt::WindowMaximized; -
616 widgetState &= ~(Qt::WindowMinimized | Qt::WindowFullScreen); -
617 break; -
618 case Qt::WindowFullScreen: -
619 if (effectiveState(widgetState) == Qt::WindowNoState) -
620 if (QTLWExtra *tle = m_widget->d_func()->maybeTopData()) -
621 tle->normalGeometry = m_widget->geometry(); -
622 widgetState |= Qt::WindowFullScreen; -
623 widgetState &= ~(Qt::WindowMinimized); -
624 break; -
625 case Qt::WindowActive: // Not handled by QWindow -
626 break; -
627 } -
628 -
629 // Sent event if the state changed (that is, it is not triggered by -
630 // QWidget::setWindowState(), which also sends an event to the widget). -
631 if (widgetState != int(m_widget->data->window_state)) { -
632 m_widget->data->window_state = widgetState; -
633 QWindowStateChangeEvent widgetEvent(eventState); -
634 QGuiApplication::sendSpontaneousEvent(m_widget, &widgetEvent); -
635 } -
636} -
637 -
638bool QWidgetWindow::nativeEvent(const QByteArray &eventType, void *message, long *result) -
639{ -
640 return m_widget->nativeEvent(eventType, message, result); -
641} -
642 -
643#ifndef QT_NO_TABLETEVENT -
644void QWidgetWindow::handleTabletEvent(QTabletEvent *event) -
645{ -
646 if (event->type() == QEvent::TabletPress) { -
647 QWidget *widget = m_widget->childAt(event->pos()); -
648 if (!widget) -
649 widget = m_widget; -
650 -
651 qt_tablet_target = widget; -
652 } -
653 -
654 if (qt_tablet_target) { -
655 QPointF delta = event->globalPosF() - event->globalPos(); -
656 QPointF mapped = qt_tablet_target->mapFromGlobal(event->globalPos()) + delta; -
657 QTabletEvent ev(event->type(), mapped, event->globalPosF(), event->device(), event->pointerType(), -
658 event->pressure(), event->xTilt(), event->yTilt(), event->tangentialPressure(), -
659 event->rotation(), event->z(), event->modifiers(), event->uniqueId()); -
660 ev.setTimestamp(event->timestamp()); -
661 QGuiApplication::sendSpontaneousEvent(qt_tablet_target, &ev); -
662 } -
663 -
664 if (event->type() == QEvent::TabletRelease) -
665 qt_tablet_target = 0; -
666} -
667#endif // QT_NO_TABLETEVENT -
668 -
669#ifndef QT_NO_CONTEXTMENU -
670void QWidgetWindow::handleContextMenuEvent(QContextMenuEvent *e) -
671{ -
672 // We are only interested in keyboard originating context menu events here, -
673 // mouse originated context menu events for widgets are generated in mouse handling methods. -
674 if (e->reason() != QContextMenuEvent::Keyboard) -
675 return; -
676 -
677 QWidget *fw = QWidget::keyboardGrabber(); -
678 if (!fw) { -
679 if (QApplication::activePopupWidget()) { -
680 fw = (QApplication::activePopupWidget()->focusWidget() -
681 ? QApplication::activePopupWidget()->focusWidget() -
682 : QApplication::activePopupWidget()); -
683 } else if (QApplication::focusWidget()) { -
684 fw = QApplication::focusWidget(); -
685 } else { -
686 fw = m_widget; -
687 } -
688 } -
689 if (fw && fw->isEnabled()) { -
690 QPoint pos = fw->inputMethodQuery(Qt::ImMicroFocus).toRect().center(); -
691 QContextMenuEvent widgetEvent(QContextMenuEvent::Keyboard, pos, fw->mapToGlobal(pos), -
692 e->modifiers()); -
693 QGuiApplication::sendSpontaneousEvent(fw, &widgetEvent); -
694 } -
695} -
696#endif // QT_NO_CONTEXTMENU -
697 -
698void QWidgetWindow::updateObjectName() -
699{ -
700 QString name = m_widget->objectName(); -
701 if (name.isEmpty()) -
702 name = QString::fromUtf8(m_widget->metaObject()->className()) + QStringLiteral("Class"); -
703 name += QStringLiteral("Window"); -
704 setObjectName(name); -
705} -
706 -
707QT_END_NAMESPACE -
708 -
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