qwidgetbackingstore.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtWidgets 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 The Qt Company. For licensing terms-
14** and conditions see https://www.qt.io/terms-conditions. For further-
15** information use the contact form at https://www.qt.io/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 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
29** Qt Foundation. The licenses are as published by the Free Software-
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3-
31** included in the packaging of this file. Please review the following-
32** information to ensure the GNU General Public License requirements will-
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and-
34** https://www.gnu.org/licenses/gpl-3.0.html.-
35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40-
41#include "qplatformdefs.h"-
42-
43#include "qwidgetbackingstore_p.h"-
44-
45#include <QtCore/qglobal.h>-
46#include <QtCore/qdebug.h>-
47#include <QtCore/qvarlengtharray.h>-
48#include <QtGui/qevent.h>-
49#include <QtWidgets/qapplication.h>-
50#include <QtGui/qpaintengine.h>-
51#include <QtWidgets/qgraphicsproxywidget.h>-
52-
53#include <private/qwidget_p.h>-
54#include <private/qapplication_p.h>-
55#include <private/qpaintengine_raster_p.h>-
56#include <private/qgraphicseffect_p.h>-
57#include <QtGui/private/qwindow_p.h>-
58-
59#include <qpa/qplatformbackingstore.h>-
60-
61#if defined(Q_OS_WIN) && !defined(QT_NO_PAINT_DEBUG)-
62# include <QtCore/qt_windows.h>-
63# include <qpa/qplatformnativeinterface.h>-
64#endif-
65-
66QT_BEGIN_NAMESPACE-
67-
68extern QRegion qt_dirtyRegion(QWidget *);-
69-
70#ifndef QT_NO_OPENGL-
71Q_GLOBAL_STATIC(QPlatformTextureList, qt_dummy_platformTextureList)
never executed: end of block
never executed: guard.store(QtGlobalStatic::Destroyed);
never executed: return &holder.value;
guard.load() =...c::InitializedDescription
TRUEnever evaluated
FALSEnever evaluated
0
72#endif-
73-
74/**-
75 * Flushes the contents of the \a backingStore into the screen area of \a widget.-
76 * \a tlwOffset is the position of the top level widget relative to the window surface.-
77 * \a region is the region to be updated in \a widget coordinates.-
78 */-
79void QWidgetBackingStore::qt_flush(QWidget *widget, const QRegion &region, QBackingStore *backingStore,-
80 QWidget *tlw, const QPoint &tlwOffset, QPlatformTextureList *widgetTextures,-
81 QWidgetBackingStore *widgetBackingStore)-
82{-
83#ifdef QT_NO_OPENGL-
84 Q_UNUSED(widgetTextures);-
85 Q_ASSERT(!region.isEmpty());-
86#else-
87 Q_ASSERT(!region.isEmpty() || widgetTextures);-
88#endif-
89 Q_ASSERT(widget);-
90 Q_ASSERT(backingStore);-
91 Q_ASSERT(tlw);-
92#if !defined(QT_NO_PAINT_DEBUG)-
93 static int flushUpdate = qEnvironmentVariableIntValue("QT_FLUSH_UPDATE");-
94 if (flushUpdate > 0)
flushUpdate > 0Description
TRUEnever evaluated
FALSEnever evaluated
0
95 QWidgetBackingStore::showYellowThing(widget, region, flushUpdate * 10, false);
never executed: QWidgetBackingStore::showYellowThing(widget, region, flushUpdate * 10, false);
0
96#endif-
97-
98 if (tlw->testAttribute(Qt::WA_DontShowOnScreen) || widget->testAttribute(Qt::WA_DontShowOnScreen))
tlw->testAttri...tShowOnScreen)Description
TRUEnever evaluated
FALSEnever evaluated
widget->testAt...tShowOnScreen)Description
TRUEnever evaluated
FALSEnever evaluated
0
99 return;
never executed: return;
0
100 static bool fpsDebug = qEnvironmentVariableIntValue("QT_DEBUG_FPS");-
101 if (fpsDebug) {
fpsDebugDescription
TRUEnever evaluated
FALSEnever evaluated
0
102 if (!widgetBackingStore->perfFrames++)
!widgetBacking...->perfFrames++Description
TRUEnever evaluated
FALSEnever evaluated
0
103 widgetBackingStore->perfTime.start();
never executed: widgetBackingStore->perfTime.start();
0
104 if (widgetBackingStore->perfTime.elapsed() > 5000) {
widgetBackingS...apsed() > 5000Description
TRUEnever evaluated
FALSEnever evaluated
0
105 double fps = double(widgetBackingStore->perfFrames * 1000) / widgetBackingStore->perfTime.restart();-
106 qDebug("FPS: %.1f\n", fps);-
107 widgetBackingStore->perfFrames = 0;-
108 }
never executed: end of block
0
109 }
never executed: end of block
0
110-
111 QPoint offset = tlwOffset;-
112 if (widget != tlw)
widget != tlwDescription
TRUEnever evaluated
FALSEnever evaluated
0
113 offset += widget->mapTo(tlw, QPoint());
never executed: offset += widget->mapTo(tlw, QPoint());
0
114-
115 QRegion effectiveRegion = region;-
116#ifndef QT_NO_OPENGL-
117 const bool compositionWasActive = widget->d_func()->renderToTextureComposeActive;-
118 if (!widgetTextures) {
!widgetTexturesDescription
TRUEnever evaluated
FALSEnever evaluated
0
119 widget->d_func()->renderToTextureComposeActive = false;-
120 // Detect the case of falling back to the normal flush path when no-
121 // render-to-texture widgets are visible anymore. We will force one-
122 // last flush to go through the OpenGL-based composition to prevent-
123 // artifacts. The next flush after this one will use the normal path.-
124 if (compositionWasActive)
compositionWasActiveDescription
TRUEnever evaluated
FALSEnever evaluated
0
125 widgetTextures = qt_dummy_platformTextureList;
never executed: widgetTextures = qt_dummy_platformTextureList;
0
126 } else {
never executed: end of block
0
127 widget->d_func()->renderToTextureComposeActive = true;-
128 }
never executed: end of block
0
129 // When changing the composition status, make sure the dirty region covers-
130 // the entire widget. Just having e.g. the shown/hidden render-to-texture-
131 // widget's area marked as dirty is incorrect when changing flush paths.-
132 if (compositionWasActive != widget->d_func()->renderToTextureComposeActive)
compositionWas...eComposeActiveDescription
TRUEnever evaluated
FALSEnever evaluated
0
133 effectiveRegion = widget->rect();
never executed: effectiveRegion = widget->rect();
0
134-
135 // re-test since we may have been forced to this path via the dummy texture list above-
136 if (widgetTextures) {
widgetTexturesDescription
TRUEnever evaluated
FALSEnever evaluated
0
137 qt_window_private(tlw->windowHandle())->compositing = true;-
138 widget->window()->d_func()->sendComposeStatus(widget->window(), false);-
139 // A window may have alpha even when the app did not request-
140 // WA_TranslucentBackground. Therefore the compositor needs to know whether the app intends-
141 // to rely on translucency, in order to decide if it should clear to transparent or opaque.-
142 const bool translucentBackground = widget->testAttribute(Qt::WA_TranslucentBackground);-
143 // Use the tlw's context, not widget's. The difference is important with native child-
144 // widgets where tlw != widget.-
145 backingStore->handle()->composeAndFlush(widget->windowHandle(), effectiveRegion, offset, widgetTextures,-
146 tlw->d_func()->shareContext(), translucentBackground);-
147 widget->window()->d_func()->sendComposeStatus(widget->window(), true);-
148 } else
never executed: end of block
0
149#endif-
150 backingStore->flush(effectiveRegion, widget->windowHandle(), offset);
never executed: backingStore->flush(effectiveRegion, widget->windowHandle(), offset);
0
151}-
152-
153#ifndef QT_NO_PAINT_DEBUG-
154#if defined(Q_OS_WIN) && !defined(Q_OS_WINRT)-
155-
156static void showYellowThing_win(QWidget *widget, const QRegion &region, int msec)-
157{-
158 // We expect to be passed a native parent.-
159 QWindow *nativeWindow = widget->windowHandle();-
160 if (!nativeWindow)-
161 return;-
162 void *hdcV = QGuiApplication::platformNativeInterface()->nativeResourceForWindow(QByteArrayLiteral("getDC"), nativeWindow);-
163 if (!hdcV)-
164 return;-
165 const HDC hdc = reinterpret_cast<HDC>(hdcV);-
166-
167 HBRUSH brush;-
168 static int i = 0;-
169 switch (i) {-
170 case 0:-
171 brush = CreateSolidBrush(RGB(255, 255, 0));-
172 break;-
173 case 1:-
174 brush = CreateSolidBrush(RGB(255, 200, 55));-
175 break;-
176 case 2:-
177 brush = CreateSolidBrush(RGB(200, 255, 55));-
178 break;-
179 case 3:-
180 brush = CreateSolidBrush(RGB(200, 200, 0));-
181 break;-
182 }-
183 i = (i + 1) & 3;-
184-
185 foreach (const QRect &rect, region.rects()) {-
186 RECT winRect;-
187 SetRect(&winRect, rect.left(), rect.top(), rect.right(), rect.bottom());-
188 FillRect(hdc, &winRect, brush);-
189 }-
190 DeleteObject(brush);-
191 QGuiApplication::platformNativeInterface()->nativeResourceForWindow(QByteArrayLiteral("releaseDC"), nativeWindow);-
192 ::Sleep(msec);-
193}-
194#endif // defined(Q_OS_WIN) && !defined(Q_OS_WINRT)-
195-
196void QWidgetBackingStore::showYellowThing(QWidget *widget, const QRegion &toBePainted, int msec, bool unclipped)-
197{-
198#ifdef Q_OS_WINRT-
199 Q_UNUSED(msec)-
200#endif-
201 QRegion paintRegion = toBePainted;-
202 QRect widgetRect = widget->rect();-
203-
204 if (!widget->internalWinId()) {
!widget->internalWinId()Description
TRUEnever evaluated
FALSEnever evaluated
0
205 QWidget *nativeParent = widget->nativeParentWidget();-
206 const QPoint offset = widget->mapTo(nativeParent, QPoint(0, 0));-
207 paintRegion.translate(offset);-
208 widgetRect.translate(offset);-
209 widget = nativeParent;-
210 }
never executed: end of block
0
211-
212#if defined(Q_OS_WIN) && !defined(Q_OS_WINRT)-
213 Q_UNUSED(unclipped);-
214 showYellowThing_win(widget, paintRegion, msec);-
215#else-
216 //flags to fool painter-
217 bool paintUnclipped = widget->testAttribute(Qt::WA_PaintUnclipped);-
218 if (unclipped && !widget->d_func()->paintOnScreen())
unclippedDescription
TRUEnever evaluated
FALSEnever evaluated
!widget->d_fun...aintOnScreen()Description
TRUEnever evaluated
FALSEnever evaluated
0
219 widget->setAttribute(Qt::WA_PaintUnclipped);
never executed: widget->setAttribute(Qt::WA_PaintUnclipped);
0
220-
221 const bool setFlag = !widget->testAttribute(Qt::WA_WState_InPaintEvent);-
222 if (setFlag)
setFlagDescription
TRUEnever evaluated
FALSEnever evaluated
0
223 widget->setAttribute(Qt::WA_WState_InPaintEvent);
never executed: widget->setAttribute(Qt::WA_WState_InPaintEvent);
0
224-
225 //setup the engine-
226 QPaintEngine *pe = widget->paintEngine();-
227 if (pe) {
peDescription
TRUEnever evaluated
FALSEnever evaluated
0
228 pe->setSystemClip(paintRegion);-
229 {-
230 QPainter p(widget);-
231 p.setClipRegion(paintRegion);-
232 static int i = 0;-
233 switch (i) {-
234 case 0:
never executed: case 0:
0
235 p.fillRect(widgetRect, QColor(255,255,0));-
236 break;
never executed: break;
0
237 case 1:
never executed: case 1:
0
238 p.fillRect(widgetRect, QColor(255,200,55));-
239 break;
never executed: break;
0
240 case 2:
never executed: case 2:
0
241 p.fillRect(widgetRect, QColor(200,255,55));-
242 break;
never executed: break;
0
243 case 3:
never executed: case 3:
0
244 p.fillRect(widgetRect, QColor(200,200,0));-
245 break;
never executed: break;
0
246 }-
247 i = (i+1) & 3;-
248 p.end();-
249 }-
250 }
never executed: end of block
0
251-
252 if (setFlag)
setFlagDescription
TRUEnever evaluated
FALSEnever evaluated
0
253 widget->setAttribute(Qt::WA_WState_InPaintEvent, false);
never executed: widget->setAttribute(Qt::WA_WState_InPaintEvent, false);
0
254-
255 //restore-
256 widget->setAttribute(Qt::WA_PaintUnclipped, paintUnclipped);-
257-
258 if (pe)
peDescription
TRUEnever evaluated
FALSEnever evaluated
0
259 pe->setSystemClip(QRegion());
never executed: pe->setSystemClip(QRegion());
0
260-
261#if defined(Q_OS_UNIX)-
262 ::usleep(1000 * msec);-
263#endif-
264#endif // !Q_OS_WIN-
265}
never executed: end of block
0
266-
267bool QWidgetBackingStore::flushPaint(QWidget *widget, const QRegion &rgn)-
268{-
269 if (!widget)
!widgetDescription
TRUEnever evaluated
FALSEnever evaluated
0
270 return false;
never executed: return false;
0
271-
272 int delay = 0;-
273 if (widget->testAttribute(Qt::WA_WState_InPaintEvent)) {
widget->testAt..._InPaintEvent)Description
TRUEnever evaluated
FALSEnever evaluated
0
274 static int flushPaintEvent = qEnvironmentVariableIntValue("QT_FLUSH_PAINT_EVENT");-
275 if (!flushPaintEvent)
!flushPaintEventDescription
TRUEnever evaluated
FALSEnever evaluated
0
276 return false;
never executed: return false;
0
277 delay = flushPaintEvent;-
278 } else {
never executed: end of block
0
279 static int flushPaint = qEnvironmentVariableIntValue("QT_FLUSH_PAINT");-
280 if (!flushPaint)
!flushPaintDescription
TRUEnever evaluated
FALSEnever evaluated
0
281 return false;
never executed: return false;
0
282 delay = flushPaint;-
283 }
never executed: end of block
0
284-
285 QWidgetBackingStore::showYellowThing(widget, rgn, delay * 10, true);-
286 return true;
never executed: return true;
0
287}-
288-
289void QWidgetBackingStore::unflushPaint(QWidget *widget, const QRegion &rgn)-
290{-
291 if (widget->d_func()->paintOnScreen() || rgn.isEmpty())
widget->d_func...aintOnScreen()Description
TRUEnever evaluated
FALSEnever evaluated
rgn.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
292 return;
never executed: return;
0
293-
294 QWidget *tlw = widget->window();-
295 QTLWExtra *tlwExtra = tlw->d_func()->maybeTopData();-
296 if (!tlwExtra)
!tlwExtraDescription
TRUEnever evaluated
FALSEnever evaluated
0
297 return;
never executed: return;
0
298-
299 const QPoint offset = widget->mapTo(tlw, QPoint());-
300 qt_flush(widget, rgn, tlwExtra->backingStoreTracker->store, tlw, offset, 0, tlw->d_func()->maybeBackingStore());-
301}
never executed: end of block
0
302#endif // QT_NO_PAINT_DEBUG-
303-
304/*-
305 Moves the whole rect by (dx, dy) in widget's coordinate system.-
306 Doesn't generate any updates.-
307*/-
308bool QWidgetBackingStore::bltRect(const QRect &rect, int dx, int dy, QWidget *widget)-
309{-
310 const QPoint pos(tlwOffset + widget->mapTo(tlw, rect.topLeft()));-
311 const QRect tlwRect(QRect(pos, rect.size()));-
312 if (fullUpdatePending || dirty.intersects(tlwRect))
fullUpdatePendingDescription
TRUEnever evaluated
FALSEnever evaluated
dirty.intersects(tlwRect)Description
TRUEnever evaluated
FALSEnever evaluated
0
313 return false; // We don't want to scroll junk.
never executed: return false;
0
314 return store->scroll(tlwRect, dx, dy);
never executed: return store->scroll(tlwRect, dx, dy);
0
315}-
316-
317void QWidgetBackingStore::releaseBuffer()-
318{-
319 if (store)
storeDescription
TRUEnever evaluated
FALSEnever evaluated
0
320 store->resize(QSize());
never executed: store->resize(QSize());
0
321}
never executed: end of block
0
322-
323/*!-
324 Prepares the window surface to paint a\ toClean region of the \a widget and-
325 updates the BeginPaintInfo struct accordingly.-
326-
327 The \a toClean region might be clipped by the window surface.-
328*/-
329void QWidgetBackingStore::beginPaint(QRegion &toClean, QWidget *widget, QBackingStore *backingStore,-
330 BeginPaintInfo *returnInfo, bool toCleanIsInTopLevelCoordinates)-
331{-
332 Q_UNUSED(widget);-
333 Q_UNUSED(toCleanIsInTopLevelCoordinates);-
334-
335 // Always flush repainted areas.-
336 dirtyOnScreen += toClean;-
337-
338#ifdef QT_NO_PAINT_DEBUG-
339 backingStore->beginPaint(toClean);-
340#else-
341 returnInfo->wasFlushed = QWidgetBackingStore::flushPaint(tlw, toClean);-
342 // Avoid deadlock with QT_FLUSH_PAINT: the server will wait for-
343 // the BackingStore lock, so if we hold that, the server will-
344 // never release the Communication lock that we are waiting for in-
345 // sendSynchronousCommand-
346 if (!returnInfo->wasFlushed)
!returnInfo->wasFlushedDescription
TRUEnever evaluated
FALSEnever evaluated
0
347 backingStore->beginPaint(toClean);
never executed: backingStore->beginPaint(toClean);
0
348#endif-
349-
350 Q_UNUSED(returnInfo);-
351}
never executed: end of block
0
352-
353void QWidgetBackingStore::endPaint(const QRegion &cleaned, QBackingStore *backingStore,-
354 BeginPaintInfo *beginPaintInfo)-
355{-
356#ifndef QT_NO_PAINT_DEBUG-
357 if (!beginPaintInfo->wasFlushed)
!beginPaintInfo->wasFlushedDescription
TRUEnever evaluated
FALSEnever evaluated
0
358 backingStore->endPaint();
never executed: backingStore->endPaint();
0
359 else-
360 QWidgetBackingStore::unflushPaint(tlw, cleaned);
never executed: QWidgetBackingStore::unflushPaint(tlw, cleaned);
0
361#else-
362 Q_UNUSED(beginPaintInfo);-
363 Q_UNUSED(cleaned);-
364 backingStore->endPaint();-
365#endif-
366-
367 flush();-
368}
never executed: end of block
0
369-
370/*!-
371 Returns the region (in top-level coordinates) that needs repaint and/or flush.-
372-
373 If the widget is non-zero, only the dirty region for the widget is returned-
374 and the region will be in widget coordinates.-
375*/-
376QRegion QWidgetBackingStore::dirtyRegion(QWidget *widget) const-
377{-
378 const bool widgetDirty = widget && widget != tlw;
widgetDescription
TRUEnever evaluated
FALSEnever evaluated
widget != tlwDescription
TRUEnever evaluated
FALSEnever evaluated
0
379 const QRect tlwRect(topLevelRect());-
380 const QRect surfaceGeometry(tlwRect.topLeft(), store->size());-
381 if (fullUpdatePending || (surfaceGeometry != tlwRect && surfaceGeometry.size() != tlwRect.size())) {
fullUpdatePendingDescription
TRUEnever evaluated
FALSEnever evaluated
surfaceGeometry != tlwRectDescription
TRUEnever evaluated
FALSEnever evaluated
surfaceGeometr...tlwRect.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
382 if (widgetDirty) {
widgetDirtyDescription
TRUEnever evaluated
FALSEnever evaluated
0
383 const QRect dirtyTlwRect = QRect(QPoint(), tlwRect.size());-
384 const QPoint offset(widget->mapTo(tlw, QPoint()));-
385 const QRect dirtyWidgetRect(dirtyTlwRect & widget->rect().translated(offset));-
386 return dirtyWidgetRect.translated(-offset);
never executed: return dirtyWidgetRect.translated(-offset);
0
387 }-
388 return QRect(QPoint(), tlwRect.size());
never executed: return QRect(QPoint(), tlwRect.size());
0
389 }-
390-
391 // Calculate the region that needs repaint.-
392 QRegion r(dirty);-
393 for (int i = 0; i < dirtyWidgets.size(); ++i) {
i < dirtyWidgets.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
394 QWidget *w = dirtyWidgets.at(i);-
395 if (widgetDirty && w != widget && !widget->isAncestorOf(w))
widgetDirtyDescription
TRUEnever evaluated
FALSEnever evaluated
w != widgetDescription
TRUEnever evaluated
FALSEnever evaluated
!widget->isAncestorOf(w)Description
TRUEnever evaluated
FALSEnever evaluated
0
396 continue;
never executed: continue;
0
397 r += w->d_func()->dirty.translated(w->mapTo(tlw, QPoint()));-
398 }
never executed: end of block
0
399-
400 // Append the region that needs flush.-
401 r += dirtyOnScreen;-
402-
403 if (dirtyOnScreenWidgets) { // Only in use with native child widgets.
dirtyOnScreenWidgetsDescription
TRUEnever evaluated
FALSEnever evaluated
0
404 for (int i = 0; i < dirtyOnScreenWidgets->size(); ++i) {
i < dirtyOnScr...idgets->size()Description
TRUEnever evaluated
FALSEnever evaluated
0
405 QWidget *w = dirtyOnScreenWidgets->at(i);-
406 if (widgetDirty && w != widget && !widget->isAncestorOf(w))
widgetDirtyDescription
TRUEnever evaluated
FALSEnever evaluated
w != widgetDescription
TRUEnever evaluated
FALSEnever evaluated
!widget->isAncestorOf(w)Description
TRUEnever evaluated
FALSEnever evaluated
0
407 continue;
never executed: continue;
0
408 QWidgetPrivate *wd = w->d_func();-
409 Q_ASSERT(wd->needsFlush);-
410 r += wd->needsFlush->translated(w->mapTo(tlw, QPoint()));-
411 }
never executed: end of block
0
412 }
never executed: end of block
0
413-
414 if (widgetDirty) {
widgetDirtyDescription
TRUEnever evaluated
FALSEnever evaluated
0
415 // Intersect with the widget geometry and translate to its coordinates.-
416 const QPoint offset(widget->mapTo(tlw, QPoint()));-
417 r &= widget->rect().translated(offset);-
418 r.translate(-offset);-
419 }
never executed: end of block
0
420 return r;
never executed: return r;
0
421}-
422-
423/*!-
424 Returns the static content inside the \a parent if non-zero; otherwise the static content-
425 for the entire backing store is returned. The content will be clipped to \a withinClipRect-
426 if non-empty.-
427*/-
428QRegion QWidgetBackingStore::staticContents(QWidget *parent, const QRect &withinClipRect) const-
429{-
430 if (!parent && tlw->testAttribute(Qt::WA_StaticContents)) {
!parentDescription
TRUEnever evaluated
FALSEnever evaluated
tlw->testAttri...taticContents)Description
TRUEnever evaluated
FALSEnever evaluated
0
431 const QSize surfaceGeometry(store->size());-
432 QRect surfaceRect(0, 0, surfaceGeometry.width(), surfaceGeometry.height());-
433 if (!withinClipRect.isEmpty())
!withinClipRect.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
434 surfaceRect &= withinClipRect;
never executed: surfaceRect &= withinClipRect;
0
435 return QRegion(surfaceRect);
never executed: return QRegion(surfaceRect);
0
436 }-
437-
438 QRegion region;-
439 if (parent && parent->d_func()->children.isEmpty())
parentDescription
TRUEnever evaluated
FALSEnever evaluated
parent->d_func...dren.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
440 return region;
never executed: return region;
0
441-
442 const bool clipToRect = !withinClipRect.isEmpty();-
443 const int count = staticWidgets.count();-
444 for (int i = 0; i < count; ++i) {
i < countDescription
TRUEnever evaluated
FALSEnever evaluated
0
445 QWidget *w = staticWidgets.at(i);-
446 QWidgetPrivate *wd = w->d_func();-
447 if (!wd->isOpaque || !wd->extra || wd->extra->staticContentsSize.isEmpty()
!wd->isOpaqueDescription
TRUEnever evaluated
FALSEnever evaluated
!wd->extraDescription
TRUEnever evaluated
FALSEnever evaluated
wd->extra->sta...Size.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
448 || !w->isVisible() || (parent && !parent->isAncestorOf(w))) {
!w->isVisible()Description
TRUEnever evaluated
FALSEnever evaluated
parentDescription
TRUEnever evaluated
FALSEnever evaluated
!parent->isAncestorOf(w)Description
TRUEnever evaluated
FALSEnever evaluated
0
449 continue;
never executed: continue;
0
450 }-
451-
452 QRect rect(0, 0, wd->extra->staticContentsSize.width(), wd->extra->staticContentsSize.height());-
453 const QPoint offset = w->mapTo(parent ? parent : tlw, QPoint());-
454 if (clipToRect)
clipToRectDescription
TRUEnever evaluated
FALSEnever evaluated
0
455 rect &= withinClipRect.translated(-offset);
never executed: rect &= withinClipRect.translated(-offset);
0
456 if (rect.isEmpty())
rect.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
457 continue;
never executed: continue;
0
458-
459 rect &= wd->clipRect();-
460 if (rect.isEmpty())
rect.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
461 continue;
never executed: continue;
0
462-
463 QRegion visible(rect);-
464 wd->clipToEffectiveMask(visible);-
465 if (visible.isEmpty())
visible.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
466 continue;
never executed: continue;
0
467 wd->subtractOpaqueSiblings(visible, 0, /*alsoNonOpaque=*/true);-
468-
469 visible.translate(offset);-
470 region += visible;-
471 }
never executed: end of block
0
472-
473 return region;
never executed: return region;
0
474}-
475-
476void QWidgetBackingStore::sendUpdateRequest(QWidget *widget, UpdateTime updateTime)-
477{-
478 if (!widget)
!widgetDescription
TRUEnever evaluated
FALSEnever evaluated
0
479 return;
never executed: return;
0
480-
481#ifndef QT_NO_OPENGL-
482 // Having every repaint() leading to a sync/flush is bad as it causes-
483 // compositing and waiting for vsync each and every time. Change to-
484 // UpdateLater, except for approx. once per frame to prevent starvation in-
485 // case the control does not get back to the event loop.-
486 QWidget *w = widget->window();-
487 if (updateTime == UpdateNow && w && w->windowHandle() && QWindowPrivate::get(w->windowHandle())->compositing) {
updateTime == UpdateNowDescription
TRUEnever evaluated
FALSEnever evaluated
wDescription
TRUEnever evaluated
FALSEnever evaluated
w->windowHandle()Description
TRUEnever evaluated
FALSEnever evaluated
QWindowPrivate...)->compositingDescription
TRUEnever evaluated
FALSEnever evaluated
0
488 int refresh = 60;-
489 QScreen *ws = w->windowHandle()->screen();-
490 if (ws)
wsDescription
TRUEnever evaluated
FALSEnever evaluated
0
491 refresh = ws->refreshRate();
never executed: refresh = ws->refreshRate();
0
492 QWindowPrivate *wd = QWindowPrivate::get(w->windowHandle());-
493 if (wd->lastComposeTime.isValid()) {
wd->lastComposeTime.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
494 const qint64 elapsed = wd->lastComposeTime.elapsed();-
495 if (elapsed <= qint64(1000.0f / refresh))
elapsed <= qin....0f / refresh)Description
TRUEnever evaluated
FALSEnever evaluated
0
496 updateTime = UpdateLater;
never executed: updateTime = UpdateLater;
0
497 }
never executed: end of block
0
498 }
never executed: end of block
0
499#endif-
500-
501 switch (updateTime) {-
502 case UpdateLater:
never executed: case UpdateLater:
0
503 updateRequestSent = true;-
504 QApplication::postEvent(widget, new QEvent(QEvent::UpdateRequest), Qt::LowEventPriority);-
505 break;
never executed: break;
0
506 case UpdateNow: {
never executed: case UpdateNow:
0
507 QEvent event(QEvent::UpdateRequest);-
508 QApplication::sendEvent(widget, &event);-
509 break;
never executed: break;
0
510 }-
511 }-
512}
never executed: end of block
0
513-
514/*!-
515 Marks the region of the widget as dirty (if not already marked as dirty) and-
516 posts an UpdateRequest event to the top-level widget (if not already posted).-
517-
518 If updateTime is UpdateNow, the event is sent immediately instead of posted.-
519-
520 If bufferState is BufferInvalid, all widgets intersecting with the region will be dirty.-
521-
522 If the widget paints directly on screen, the event is sent to the widget-
523 instead of the top-level widget, and bufferState is completely ignored.-
524-
525 ### Qt 4.6: Merge into a template function (after MSVC isn't supported anymore).-
526*/-
527void QWidgetBackingStore::markDirty(const QRegion &rgn, QWidget *widget,-
528 UpdateTime updateTime, BufferState bufferState)-
529{-
530 Q_ASSERT(tlw->d_func()->extra);-
531 Q_ASSERT(tlw->d_func()->extra->topextra);-
532 Q_ASSERT(!tlw->d_func()->extra->topextra->inTopLevelResize);-
533 Q_ASSERT(widget->isVisible() && widget->updatesEnabled());-
534 Q_ASSERT(widget->window() == tlw);-
535 Q_ASSERT(!rgn.isEmpty());-
536-
537#ifndef QT_NO_GRAPHICSEFFECT-
538 widget->d_func()->invalidateGraphicsEffectsRecursively();-
539#endif //QT_NO_GRAPHICSEFFECT-
540-
541 if (widget->d_func()->paintOnScreen()) {
widget->d_func...aintOnScreen()Description
TRUEnever evaluated
FALSEnever evaluated
0
542 if (widget->d_func()->dirty.isEmpty()) {
widget->d_func...irty.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
543 widget->d_func()->dirty = rgn;-
544 sendUpdateRequest(widget, updateTime);-
545 return;
never executed: return;
0
546 } else if (qt_region_strictContains(widget->d_func()->dirty, widget->rect())) {
qt_region_stri...idget->rect())Description
TRUEnever evaluated
FALSEnever evaluated
0
547 if (updateTime == UpdateNow)
updateTime == UpdateNowDescription
TRUEnever evaluated
FALSEnever evaluated
0
548 sendUpdateRequest(widget, updateTime);
never executed: sendUpdateRequest(widget, updateTime);
0
549 return; // Already dirty.
never executed: return;
0
550 }-
551-
552 const bool eventAlreadyPosted = !widget->d_func()->dirty.isEmpty();-
553 widget->d_func()->dirty += rgn;-
554 if (!eventAlreadyPosted || updateTime == UpdateNow)
!eventAlreadyPostedDescription
TRUEnever evaluated
FALSEnever evaluated
updateTime == UpdateNowDescription
TRUEnever evaluated
FALSEnever evaluated
0
555 sendUpdateRequest(widget, updateTime);
never executed: sendUpdateRequest(widget, updateTime);
0
556 return;
never executed: return;
0
557 }-
558-
559 //### FIXME fullUpdatePending seems to be always false????-
560 if (fullUpdatePending) {
fullUpdatePendingDescription
TRUEnever evaluated
FALSEnever evaluated
0
561 if (updateTime == UpdateNow)
updateTime == UpdateNowDescription
TRUEnever evaluated
FALSEnever evaluated
0
562 sendUpdateRequest(tlw, updateTime);
never executed: sendUpdateRequest(tlw, updateTime);
0
563 return;
never executed: return;
0
564 }-
565-
566 const QPoint offset = widget->mapTo(tlw, QPoint());-
567-
568 if (QWidgetPrivate::get(widget)->renderToTexture) {
QWidgetPrivate...enderToTextureDescription
TRUEnever evaluated
FALSEnever evaluated
0
569 if (!widget->d_func()->inDirtyList)
!widget->d_func()->inDirtyListDescription
TRUEnever evaluated
FALSEnever evaluated
0
570 addDirtyRenderToTextureWidget(widget);
never executed: addDirtyRenderToTextureWidget(widget);
0
571 if (!updateRequestSent || updateTime == UpdateNow)
!updateRequestSentDescription
TRUEnever evaluated
FALSEnever evaluated
updateTime == UpdateNowDescription
TRUEnever evaluated
FALSEnever evaluated
0
572 sendUpdateRequest(tlw, updateTime);
never executed: sendUpdateRequest(tlw, updateTime);
0
573 return;
never executed: return;
0
574 }-
575-
576 const QRect widgetRect = widget->d_func()->effectiveRectFor(widget->rect());-
577 if (qt_region_strictContains(dirty, widgetRect.translated(offset))) {
qt_region_stri...lated(offset))Description
TRUEnever evaluated
FALSEnever evaluated
0
578 if (updateTime == UpdateNow)
updateTime == UpdateNowDescription
TRUEnever evaluated
FALSEnever evaluated
0
579 sendUpdateRequest(tlw, updateTime);
never executed: sendUpdateRequest(tlw, updateTime);
0
580 return; // Already dirty.
never executed: return;
0
581 }-
582-
583 if (bufferState == BufferInvalid) {
bufferState == BufferInvalidDescription
TRUEnever evaluated
FALSEnever evaluated
0
584 const bool eventAlreadyPosted = !dirty.isEmpty() || updateRequestSent;
!dirty.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
updateRequestSentDescription
TRUEnever evaluated
FALSEnever evaluated
0
585#ifndef QT_NO_GRAPHICSEFFECT-
586 if (widget->d_func()->graphicsEffect)
widget->d_func...graphicsEffectDescription
TRUEnever evaluated
FALSEnever evaluated
0
587 dirty += widget->d_func()->effectiveRectFor(rgn.boundingRect()).translated(offset);
never executed: dirty += widget->d_func()->effectiveRectFor(rgn.boundingRect()).translated(offset);
0
588 else-
589#endif //QT_NO_GRAPHICSEFFECT-
590 dirty += rgn.translated(offset);
never executed: dirty += rgn.translated(offset);
0
591 if (!eventAlreadyPosted || updateTime == UpdateNow)
!eventAlreadyPostedDescription
TRUEnever evaluated
FALSEnever evaluated
updateTime == UpdateNowDescription
TRUEnever evaluated
FALSEnever evaluated
0
592 sendUpdateRequest(tlw, updateTime);
never executed: sendUpdateRequest(tlw, updateTime);
0
593 return;
never executed: return;
0
594 }-
595-
596 if (dirtyWidgets.isEmpty()) {
dirtyWidgets.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
597 addDirtyWidget(widget, rgn);-
598 sendUpdateRequest(tlw, updateTime);-
599 return;
never executed: return;
0
600 }-
601-
602 if (widget->d_func()->inDirtyList) {
widget->d_func()->inDirtyListDescription
TRUEnever evaluated
FALSEnever evaluated
0
603 if (!qt_region_strictContains(widget->d_func()->dirty, widgetRect)) {
!qt_region_str...y, widgetRect)Description
TRUEnever evaluated
FALSEnever evaluated
0
604#ifndef QT_NO_GRAPHICSEFFECT-
605 if (widget->d_func()->graphicsEffect)
widget->d_func...graphicsEffectDescription
TRUEnever evaluated
FALSEnever evaluated
0
606 widget->d_func()->dirty += widget->d_func()->effectiveRectFor(rgn.boundingRect());
never executed: widget->d_func()->dirty += widget->d_func()->effectiveRectFor(rgn.boundingRect());
0
607 else-
608#endif //QT_NO_GRAPHICSEFFECT-
609 widget->d_func()->dirty += rgn;
never executed: widget->d_func()->dirty += rgn;
0
610 }-
611 } else {
never executed: end of block
0
612 addDirtyWidget(widget, rgn);-
613 }
never executed: end of block
0
614-
615 if (updateTime == UpdateNow)
updateTime == UpdateNowDescription
TRUEnever evaluated
FALSEnever evaluated
0
616 sendUpdateRequest(tlw, updateTime);
never executed: sendUpdateRequest(tlw, updateTime);
0
617}
never executed: end of block
0
618-
619/*!-
620 This function is equivalent to calling markDirty(QRegion(rect), ...), but-
621 is more efficient as it eliminates QRegion operations/allocations and can-
622 use the rect more precisely for additional cut-offs.-
623-
624 ### Qt 4.6: Merge into a template function (after MSVC isn't supported anymore).-
625*/-
626void QWidgetBackingStore::markDirty(const QRect &rect, QWidget *widget,-
627 UpdateTime updateTime, BufferState bufferState)-
628{-
629 Q_ASSERT(tlw->d_func()->extra);-
630 Q_ASSERT(tlw->d_func()->extra->topextra);-
631 Q_ASSERT(!tlw->d_func()->extra->topextra->inTopLevelResize);-
632 Q_ASSERT(widget->isVisible() && widget->updatesEnabled());-
633 Q_ASSERT(widget->window() == tlw);-
634 Q_ASSERT(!rect.isEmpty());-
635-
636#ifndef QT_NO_GRAPHICSEFFECT-
637 widget->d_func()->invalidateGraphicsEffectsRecursively();-
638#endif //QT_NO_GRAPHICSEFFECT-
639-
640 if (widget->d_func()->paintOnScreen()) {
widget->d_func...aintOnScreen()Description
TRUEnever evaluated
FALSEnever evaluated
0
641 if (widget->d_func()->dirty.isEmpty()) {
widget->d_func...irty.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
642 widget->d_func()->dirty = QRegion(rect);-
643 sendUpdateRequest(widget, updateTime);-
644 return;
never executed: return;
0
645 } else if (qt_region_strictContains(widget->d_func()->dirty, rect)) {
qt_region_stri...->dirty, rect)Description
TRUEnever evaluated
FALSEnever evaluated
0
646 if (updateTime == UpdateNow)
updateTime == UpdateNowDescription
TRUEnever evaluated
FALSEnever evaluated
0
647 sendUpdateRequest(widget, updateTime);
never executed: sendUpdateRequest(widget, updateTime);
0
648 return; // Already dirty.
never executed: return;
0
649 }-
650-
651 const bool eventAlreadyPosted = !widget->d_func()->dirty.isEmpty();-
652 widget->d_func()->dirty += rect;-
653 if (!eventAlreadyPosted || updateTime == UpdateNow)
!eventAlreadyPostedDescription
TRUEnever evaluated
FALSEnever evaluated
updateTime == UpdateNowDescription
TRUEnever evaluated
FALSEnever evaluated
0
654 sendUpdateRequest(widget, updateTime);
never executed: sendUpdateRequest(widget, updateTime);
0
655 return;
never executed: return;
0
656 }-
657-
658 if (fullUpdatePending) {
fullUpdatePendingDescription
TRUEnever evaluated
FALSEnever evaluated
0
659 if (updateTime == UpdateNow)
updateTime == UpdateNowDescription
TRUEnever evaluated
FALSEnever evaluated
0
660 sendUpdateRequest(tlw, updateTime);
never executed: sendUpdateRequest(tlw, updateTime);
0
661 return;
never executed: return;
0
662 }-
663-
664 if (QWidgetPrivate::get(widget)->renderToTexture) {
QWidgetPrivate...enderToTextureDescription
TRUEnever evaluated
FALSEnever evaluated
0
665 if (!widget->d_func()->inDirtyList)
!widget->d_func()->inDirtyListDescription
TRUEnever evaluated
FALSEnever evaluated
0
666 addDirtyRenderToTextureWidget(widget);
never executed: addDirtyRenderToTextureWidget(widget);
0
667 if (!updateRequestSent || updateTime == UpdateNow)
!updateRequestSentDescription
TRUEnever evaluated
FALSEnever evaluated
updateTime == UpdateNowDescription
TRUEnever evaluated
FALSEnever evaluated
0
668 sendUpdateRequest(tlw, updateTime);
never executed: sendUpdateRequest(tlw, updateTime);
0
669 return;
never executed: return;
0
670 }-
671-
672-
673 const QRect widgetRect = widget->d_func()->effectiveRectFor(rect);-
674 QRect translatedRect = widgetRect;-
675 if (widget != tlw)
widget != tlwDescription
TRUEnever evaluated
FALSEnever evaluated
0
676 translatedRect.translate(widget->mapTo(tlw, QPoint()));
never executed: translatedRect.translate(widget->mapTo(tlw, QPoint()));
0
677 // Graphics effects may exceed window size, clamp.-
678 translatedRect = translatedRect.intersected(QRect(QPoint(), tlw->size()));-
679 if (qt_region_strictContains(dirty, translatedRect)) {
qt_region_stri...ranslatedRect)Description
TRUEnever evaluated
FALSEnever evaluated
0
680 if (updateTime == UpdateNow)
updateTime == UpdateNowDescription
TRUEnever evaluated
FALSEnever evaluated
0
681 sendUpdateRequest(tlw, updateTime);
never executed: sendUpdateRequest(tlw, updateTime);
0
682 return; // Already dirty
never executed: return;
0
683 }-
684-
685 if (bufferState == BufferInvalid) {
bufferState == BufferInvalidDescription
TRUEnever evaluated
FALSEnever evaluated
0
686 const bool eventAlreadyPosted = !dirty.isEmpty();-
687 dirty += translatedRect;-
688 if (!eventAlreadyPosted || updateTime == UpdateNow)
!eventAlreadyPostedDescription
TRUEnever evaluated
FALSEnever evaluated
updateTime == UpdateNowDescription
TRUEnever evaluated
FALSEnever evaluated
0
689 sendUpdateRequest(tlw, updateTime);
never executed: sendUpdateRequest(tlw, updateTime);
0
690 return;
never executed: return;
0
691 }-
692-
693 if (dirtyWidgets.isEmpty()) {
dirtyWidgets.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
694 addDirtyWidget(widget, rect);-
695 sendUpdateRequest(tlw, updateTime);-
696 return;
never executed: return;
0
697 }-
698-
699 if (widget->d_func()->inDirtyList) {
widget->d_func()->inDirtyListDescription
TRUEnever evaluated
FALSEnever evaluated
0
700 if (!qt_region_strictContains(widget->d_func()->dirty, widgetRect))
!qt_region_str...y, widgetRect)Description
TRUEnever evaluated
FALSEnever evaluated
0
701 widget->d_func()->dirty += widgetRect;
never executed: widget->d_func()->dirty += widgetRect;
0
702 } else {
never executed: end of block
0
703 addDirtyWidget(widget, rect);-
704 }
never executed: end of block
0
705-
706 if (updateTime == UpdateNow)
updateTime == UpdateNowDescription
TRUEnever evaluated
FALSEnever evaluated
0
707 sendUpdateRequest(tlw, updateTime);
never executed: sendUpdateRequest(tlw, updateTime);
0
708}
never executed: end of block
0
709-
710/*!-
711 Marks the \a region of the \a widget as dirty on screen. The \a region will be copied from-
712 the backing store to the \a widget's native parent next time flush() is called.-
713-
714 Paint on screen widgets are ignored.-
715*/-
716void QWidgetBackingStore::markDirtyOnScreen(const QRegion &region, QWidget *widget, const QPoint &topLevelOffset)-
717{-
718 if (!widget || widget->d_func()->paintOnScreen() || region.isEmpty())
!widgetDescription
TRUEnever evaluated
FALSEnever evaluated
widget->d_func...aintOnScreen()Description
TRUEnever evaluated
FALSEnever evaluated
region.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
719 return;
never executed: return;
0
720-
721#if defined(Q_DEAD_CODE_FROM_QT4_MAC)-
722 if (!widget->testAttribute(Qt::WA_WState_InPaintEvent))-
723 dirtyOnScreen += region.translated(topLevelOffset);-
724 return;-
725#endif-
726-
727 // Top-level.-
728 if (widget == tlw) {
widget == tlwDescription
TRUEnever evaluated
FALSEnever evaluated
0
729 if (!widget->testAttribute(Qt::WA_WState_InPaintEvent))
!widget->testA..._InPaintEvent)Description
TRUEnever evaluated
FALSEnever evaluated
0
730 dirtyOnScreen += region;
never executed: dirtyOnScreen += region;
0
731 return;
never executed: return;
0
732 }-
733-
734 // Alien widgets.-
735 if (!widget->internalWinId() && !widget->isWindow()) {
!widget->internalWinId()Description
TRUEnever evaluated
FALSEnever evaluated
!widget->isWindow()Description
TRUEnever evaluated
FALSEnever evaluated
0
736 QWidget *nativeParent = widget->nativeParentWidget(); // Alien widgets with the top-level as the native parent (common case).-
737 if (nativeParent == tlw) {
nativeParent == tlwDescription
TRUEnever evaluated
FALSEnever evaluated
0
738 if (!widget->testAttribute(Qt::WA_WState_InPaintEvent))
!widget->testA..._InPaintEvent)Description
TRUEnever evaluated
FALSEnever evaluated
0
739 dirtyOnScreen += region.translated(topLevelOffset);
never executed: dirtyOnScreen += region.translated(topLevelOffset);
0
740 return;
never executed: return;
0
741 }-
742-
743 // Alien widgets with native parent != tlw.-
744 QWidgetPrivate *nativeParentPrivate = nativeParent->d_func();-
745 if (!nativeParentPrivate->needsFlush)
!nativeParentP...te->needsFlushDescription
TRUEnever evaluated
FALSEnever evaluated
0
746 nativeParentPrivate->needsFlush = new QRegion;
never executed: nativeParentPrivate->needsFlush = new QRegion;
0
747 const QPoint nativeParentOffset = widget->mapTo(nativeParent, QPoint());-
748 *nativeParentPrivate->needsFlush += region.translated(nativeParentOffset);-
749 appendDirtyOnScreenWidget(nativeParent);-
750 return;
never executed: return;
0
751 }-
752-
753 // Native child widgets.-
754 QWidgetPrivate *widgetPrivate = widget->d_func();-
755 if (!widgetPrivate->needsFlush)
!widgetPrivate->needsFlushDescription
TRUEnever evaluated
FALSEnever evaluated
0
756 widgetPrivate->needsFlush = new QRegion;
never executed: widgetPrivate->needsFlush = new QRegion;
0
757 *widgetPrivate->needsFlush += region;-
758 appendDirtyOnScreenWidget(widget);-
759}
never executed: end of block
0
760-
761void QWidgetBackingStore::removeDirtyWidget(QWidget *w)-
762{-
763 if (!w)
!wDescription
TRUEnever evaluated
FALSEnever evaluated
0
764 return;
never executed: return;
0
765-
766 dirtyWidgetsRemoveAll(w);-
767 dirtyOnScreenWidgetsRemoveAll(w);-
768 dirtyRenderToTextureWidgets.removeAll(w);-
769 resetWidget(w);-
770-
771 QWidgetPrivate *wd = w->d_func();-
772 const int n = wd->children.count();-
773 for (int i = 0; i < n; ++i) {
i < nDescription
TRUEnever evaluated
FALSEnever evaluated
0
774 if (QWidget *child = qobject_cast<QWidget*>(wd->children.at(i)))
QWidget *child...hildren.at(i))Description
TRUEnever evaluated
FALSEnever evaluated
0
775 removeDirtyWidget(child);
never executed: removeDirtyWidget(child);
0
776 }
never executed: end of block
0
777}
never executed: end of block
0
778-
779void QWidgetBackingStore::updateLists(QWidget *cur)-
780{-
781 if (!cur)
!curDescription
TRUEnever evaluated
FALSEnever evaluated
0
782 return;
never executed: return;
0
783-
784 QList<QObject*> children = cur->children();-
785 for (int i = 0; i < children.size(); ++i) {
i < children.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
786 QWidget *child = qobject_cast<QWidget*>(children.at(i));-
787 if (!child)
!childDescription
TRUEnever evaluated
FALSEnever evaluated
0
788 continue;
never executed: continue;
0
789-
790 updateLists(child);-
791 }
never executed: end of block
0
792-
793 if (cur->testAttribute(Qt::WA_StaticContents))
cur->testAttri...taticContents)Description
TRUEnever evaluated
FALSEnever evaluated
0
794 addStaticWidget(cur);
never executed: addStaticWidget(cur);
0
795}
never executed: end of block
0
796-
797QWidgetBackingStore::QWidgetBackingStore(QWidget *topLevel)-
798 : tlw(topLevel),-
799 dirtyOnScreenWidgets(0),-
800 fullUpdatePending(0),-
801 updateRequestSent(0),-
802 textureListWatcher(0),-
803 perfFrames(0)-
804{-
805 store = tlw->backingStore();-
806 Q_ASSERT(store);-
807-
808 // Ensure all existing subsurfaces and static widgets are added to their respective lists.-
809 updateLists(topLevel);-
810}
never executed: end of block
0
811-
812QWidgetBackingStore::~QWidgetBackingStore()-
813{-
814 for (int c = 0; c < dirtyWidgets.size(); ++c)
c < dirtyWidgets.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
815 resetWidget(dirtyWidgets.at(c));
never executed: resetWidget(dirtyWidgets.at(c));
0
816 for (int c = 0; c < dirtyRenderToTextureWidgets.size(); ++c)
c < dirtyRende...Widgets.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
817 resetWidget(dirtyRenderToTextureWidgets.at(c));
never executed: resetWidget(dirtyRenderToTextureWidgets.at(c));
0
818-
819 delete dirtyOnScreenWidgets;-
820}
never executed: end of block
0
821-
822//parent's coordinates; move whole rect; update parent and widget-
823//assume the screen blt has already been done, so we don't need to refresh that part-
824void QWidgetPrivate::moveRect(const QRect &rect, int dx, int dy)-
825{-
826 Q_Q(QWidget);-
827 if (!q->isVisible() || (dx == 0 && dy == 0))
!q->isVisible()Description
TRUEnever evaluated
FALSEnever evaluated
dx == 0Description
TRUEnever evaluated
FALSEnever evaluated
dy == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
828 return;
never executed: return;
0
829-
830 QWidget *tlw = q->window();-
831 QTLWExtra* x = tlw->d_func()->topData();-
832 if (x->inTopLevelResize)
x->inTopLevelResizeDescription
TRUEnever evaluated
FALSEnever evaluated
0
833 return;
never executed: return;
0
834-
835 static const bool accelEnv = qEnvironmentVariableIntValue("QT_NO_FAST_MOVE") == 0;-
836-
837 QWidget *pw = q->parentWidget();-
838 QPoint toplevelOffset = pw->mapTo(tlw, QPoint());-
839 QWidgetPrivate *pd = pw->d_func();-
840 QRect clipR(pd->clipRect());-
841 const QRect newRect(rect.translated(dx, dy));-
842 QRect destRect = rect.intersected(clipR);-
843 if (destRect.isValid())
destRect.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
844 destRect = destRect.translated(dx, dy).intersected(clipR);
never executed: destRect = destRect.translated(dx, dy).intersected(clipR);
0
845 const QRect sourceRect(destRect.translated(-dx, -dy));-
846 const QRect parentRect(rect & clipR);-
847 const bool nativeWithTextureChild = textureChildSeen && q->internalWinId();
textureChildSeenDescription
TRUEnever evaluated
FALSEnever evaluated
q->internalWinId()Description
TRUEnever evaluated
FALSEnever evaluated
0
848-
849 bool accelerateMove = accelEnv && isOpaque && !nativeWithTextureChild
accelEnvDescription
TRUEnever evaluated
FALSEnever evaluated
isOpaqueDescription
TRUEnever evaluated
FALSEnever evaluated
!nativeWithTextureChildDescription
TRUEnever evaluated
FALSEnever evaluated
0
850#ifndef QT_NO_GRAPHICSVIEW-
851 // No accelerate move for proxy widgets.-
852 && !tlw->d_func()->extra->proxyWidget
!tlw->d_func()...a->proxyWidgetDescription
TRUEnever evaluated
FALSEnever evaluated
0
853#endif-
854 && !isOverlapped(sourceRect) && !isOverlapped(destRect);
!isOverlapped(sourceRect)Description
TRUEnever evaluated
FALSEnever evaluated
!isOverlapped(destRect)Description
TRUEnever evaluated
FALSEnever evaluated
0
855-
856 if (!accelerateMove) {
!accelerateMoveDescription
TRUEnever evaluated
FALSEnever evaluated
0
857 QRegion parentR(effectiveRectFor(parentRect));-
858 if (!extra || !extra->hasMask) {
!extraDescription
TRUEnever evaluated
FALSEnever evaluated
!extra->hasMaskDescription
TRUEnever evaluated
FALSEnever evaluated
0
859 parentR -= newRect;-
860 } else {
never executed: end of block
0
861 // invalidateBuffer() excludes anything outside the mask-
862 parentR += newRect & clipR;-
863 }
never executed: end of block
0
864 pd->invalidateBuffer(parentR);-
865 invalidateBuffer((newRect & clipR).translated(-data.crect.topLeft()));-
866 } else {
never executed: end of block
0
867-
868 QWidgetBackingStore *wbs = x->backingStoreTracker.data();-
869 QRegion childExpose(newRect & clipR);-
870-
871 if (sourceRect.isValid() && wbs->bltRect(sourceRect, dx, dy, pw))
sourceRect.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
wbs->bltRect(s...t, dx, dy, pw)Description
TRUEnever evaluated
FALSEnever evaluated
0
872 childExpose -= destRect;
never executed: childExpose -= destRect;
0
873-
874 if (!pw->updatesEnabled())
!pw->updatesEnabled()Description
TRUEnever evaluated
FALSEnever evaluated
0
875 return;
never executed: return;
0
876-
877 const bool childUpdatesEnabled = q->updatesEnabled();-
878 if (childUpdatesEnabled && !childExpose.isEmpty()) {
childUpdatesEnabledDescription
TRUEnever evaluated
FALSEnever evaluated
!childExpose.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
879 childExpose.translate(-data.crect.topLeft());-
880 wbs->markDirty(childExpose, q);-
881 isMoved = true;-
882 }
never executed: end of block
0
883-
884 QRegion parentExpose(parentRect);-
885 parentExpose -= newRect;-
886 if (extra && extra->hasMask)
extraDescription
TRUEnever evaluated
FALSEnever evaluated
extra->hasMaskDescription
TRUEnever evaluated
FALSEnever evaluated
0
887 parentExpose += QRegion(newRect) - extra->mask.translated(data.crect.topLeft());
never executed: parentExpose += QRegion(newRect) - extra->mask.translated(data.crect.topLeft());
0
888-
889 if (!parentExpose.isEmpty()) {
!parentExpose.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
890 wbs->markDirty(parentExpose, pw);-
891 pd->isMoved = true;-
892 }
never executed: end of block
0
893-
894 if (childUpdatesEnabled) {
childUpdatesEnabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
895 QRegion needsFlush(sourceRect);-
896 needsFlush += destRect;-
897 wbs->markDirtyOnScreen(needsFlush, pw, toplevelOffset);-
898 }
never executed: end of block
0
899 }
never executed: end of block
0
900}-
901-
902//widget's coordinates; scroll within rect; only update widget-
903void QWidgetPrivate::scrollRect(const QRect &rect, int dx, int dy)-
904{-
905 Q_Q(QWidget);-
906 QWidget *tlw = q->window();-
907 QTLWExtra* x = tlw->d_func()->topData();-
908 if (x->inTopLevelResize)
x->inTopLevelResizeDescription
TRUEnever evaluated
FALSEnever evaluated
0
909 return;
never executed: return;
0
910-
911 QWidgetBackingStore *wbs = x->backingStoreTracker.data();-
912 if (!wbs)
!wbsDescription
TRUEnever evaluated
FALSEnever evaluated
0
913 return;
never executed: return;
0
914-
915 static const bool accelEnv = qEnvironmentVariableIntValue("QT_NO_FAST_SCROLL") == 0;-
916-
917 QRect scrollRect = rect & clipRect();-
918 bool overlapped = false;-
919 bool accelerateScroll = accelEnv && isOpaque && !q_func()->testAttribute(Qt::WA_WState_InPaintEvent)
accelEnvDescription
TRUEnever evaluated
FALSEnever evaluated
isOpaqueDescription
TRUEnever evaluated
FALSEnever evaluated
!q_func()->tes..._InPaintEvent)Description
TRUEnever evaluated
FALSEnever evaluated
0
920 && !(overlapped = isOverlapped(scrollRect.translated(data.crect.topLeft())));
!(overlapped =...t.topLeft())))Description
TRUEnever evaluated
FALSEnever evaluated
0
921-
922 if (!accelerateScroll) {
!accelerateScrollDescription
TRUEnever evaluated
FALSEnever evaluated
0
923 if (overlapped) {
overlappedDescription
TRUEnever evaluated
FALSEnever evaluated
0
924 QRegion region(scrollRect);-
925 subtractOpaqueSiblings(region);-
926 invalidateBuffer(region);-
927 }else {
never executed: end of block
0
928 invalidateBuffer(scrollRect);-
929 }
never executed: end of block
0
930 } else {-
931 const QPoint toplevelOffset = q->mapTo(tlw, QPoint());-
932 const QRect destRect = scrollRect.translated(dx, dy) & scrollRect;-
933 const QRect sourceRect = destRect.translated(-dx, -dy);-
934-
935 QRegion childExpose(scrollRect);-
936 if (sourceRect.isValid()) {
sourceRect.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
937 if (wbs->bltRect(sourceRect, dx, dy, q))
wbs->bltRect(s...ct, dx, dy, q)Description
TRUEnever evaluated
FALSEnever evaluated
0
938 childExpose -= destRect;
never executed: childExpose -= destRect;
0
939 }
never executed: end of block
0
940-
941 if (inDirtyList) {
inDirtyListDescription
TRUEnever evaluated
FALSEnever evaluated
0
942 if (rect == q->rect()) {
rect == q->rect()Description
TRUEnever evaluated
FALSEnever evaluated
0
943 dirty.translate(dx, dy);-
944 } else {
never executed: end of block
0
945 QRegion dirtyScrollRegion = dirty.intersected(scrollRect);-
946 if (!dirtyScrollRegion.isEmpty()) {
!dirtyScrollRegion.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
947 dirty -= dirtyScrollRegion;-
948 dirtyScrollRegion.translate(dx, dy);-
949 dirty += dirtyScrollRegion;-
950 }
never executed: end of block
0
951 }
never executed: end of block
0
952 }-
953-
954 if (!q->updatesEnabled())
!q->updatesEnabled()Description
TRUEnever evaluated
FALSEnever evaluated
0
955 return;
never executed: return;
0
956-
957 if (!childExpose.isEmpty()) {
!childExpose.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
958 wbs->markDirty(childExpose, q);-
959 isScrolled = true;-
960 }
never executed: end of block
0
961-
962 // Instead of using native scroll-on-screen, we copy from-
963 // backingstore, giving only one screen update for each-
964 // scroll, and a solid appearance-
965 wbs->markDirtyOnScreen(destRect, q, toplevelOffset);-
966 }
never executed: end of block
0
967}-
968-
969#ifndef QT_NO_OPENGL-
970static void findTextureWidgetsRecursively(QWidget *tlw, QWidget *widget, QPlatformTextureList *widgetTextures, QVector<QWidget *> *nativeChildren)-
971{-
972 QWidgetPrivate *wd = QWidgetPrivate::get(widget);-
973 if (wd->renderToTexture) {
wd->renderToTextureDescription
TRUEnever evaluated
FALSEnever evaluated
0
974 QPlatformTextureList::Flags flags = 0;-
975 if (widget->testAttribute(Qt::WA_AlwaysStackOnTop))
widget->testAt...aysStackOnTop)Description
TRUEnever evaluated
FALSEnever evaluated
0
976 flags |= QPlatformTextureList::StacksOnTop;
never executed: flags |= QPlatformTextureList::StacksOnTop;
0
977 const QRect rect(widget->mapTo(tlw, QPoint()), widget->size());-
978 widgetTextures->appendTexture(widget, wd->textureId(), rect, wd->clipRect(), flags);-
979 }
never executed: end of block
0
980-
981 for (int i = 0; i < wd->children.size(); ++i) {
i < wd->children.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
982 QWidget *w = qobject_cast<QWidget *>(wd->children.at(i));-
983 // Stop at native widgets but store them. Stop at hidden widgets too.-
984 if (w && !w->isWindow() && w->internalWinId())
wDescription
TRUEnever evaluated
FALSEnever evaluated
!w->isWindow()Description
TRUEnever evaluated
FALSEnever evaluated
w->internalWinId()Description
TRUEnever evaluated
FALSEnever evaluated
0
985 nativeChildren->append(w);
never executed: nativeChildren->append(w);
0
986 if (w && !w->isWindow() && !w->internalWinId() && !w->isHidden() && QWidgetPrivate::get(w)->textureChildSeen)
wDescription
TRUEnever evaluated
FALSEnever evaluated
!w->isWindow()Description
TRUEnever evaluated
FALSEnever evaluated
!w->internalWinId()Description
TRUEnever evaluated
FALSEnever evaluated
!w->isHidden()Description
TRUEnever evaluated
FALSEnever evaluated
QWidgetPrivate...xtureChildSeenDescription
TRUEnever evaluated
FALSEnever evaluated
0
987 findTextureWidgetsRecursively(tlw, w, widgetTextures, nativeChildren);
never executed: findTextureWidgetsRecursively(tlw, w, widgetTextures, nativeChildren);
0
988 }
never executed: end of block
0
989}
never executed: end of block
0
990-
991static void findAllTextureWidgetsRecursively(QWidget *tlw, QWidget *widget)-
992{-
993 // textureChildSeen does not take native child widgets into account and that's good.-
994 if (QWidgetPrivate::get(widget)->textureChildSeen) {
QWidgetPrivate...xtureChildSeenDescription
TRUEnever evaluated
FALSEnever evaluated
0
995 QVector<QWidget *> nativeChildren;-
996 QScopedPointer<QPlatformTextureList> tl(new QPlatformTextureList);-
997 // Look for texture widgets (incl. widget itself) from 'widget' down,-
998 // but skip subtrees with a parent of a native child widget.-
999 findTextureWidgetsRecursively(tlw, widget, tl.data(), &nativeChildren);-
1000 // tl may be empty regardless of textureChildSeen if we have native or hidden children.-
1001 if (!tl->isEmpty())
!tl->isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1002 QWidgetPrivate::get(tlw)->topData()->widgetTextures.append(tl.take());
never executed: QWidgetPrivate::get(tlw)->topData()->widgetTextures.append(tl.take());
0
1003 // Native child widgets, if there was any, get their own separate QPlatformTextureList.-
1004 foreach (QWidget *ncw, nativeChildren) {-
1005 if (QWidgetPrivate::get(ncw)->textureChildSeen)
QWidgetPrivate...xtureChildSeenDescription
TRUEnever evaluated
FALSEnever evaluated
0
1006 findAllTextureWidgetsRecursively(tlw, ncw);
never executed: findAllTextureWidgetsRecursively(tlw, ncw);
0
1007 }
never executed: end of block
0
1008 }
never executed: end of block
0
1009}
never executed: end of block
0
1010-
1011static QPlatformTextureList *widgetTexturesFor(QWidget *tlw, QWidget *widget)-
1012{-
1013 foreach (QPlatformTextureList *tl, QWidgetPrivate::get(tlw)->topData()->widgetTextures) {-
1014 Q_ASSERT(!tl->isEmpty());-
1015 for (int i = 0; i < tl->count(); ++i) {
i < tl->count()Description
TRUEnever evaluated
FALSEnever evaluated
0
1016 QWidget *w = static_cast<QWidget *>(tl->source(i));-
1017 if ((w->internalWinId() && w == widget) || (!w->internalWinId() && w->nativeParentWidget() == widget))
w->internalWinId()Description
TRUEnever evaluated
FALSEnever evaluated
w == widgetDescription
TRUEnever evaluated
FALSEnever evaluated
!w->internalWinId()Description
TRUEnever evaluated
FALSEnever evaluated
w->nativeParen...et() == widgetDescription
TRUEnever evaluated
FALSEnever evaluated
0
1018 return tl;
never executed: return tl;
0
1019 }
never executed: end of block
0
1020 }
never executed: end of block
0
1021-
1022 if (QWidgetPrivate::get(tlw)->textureChildSeen) {
QWidgetPrivate...xtureChildSeenDescription
TRUEnever evaluated
FALSEnever evaluated
0
1023 // No render-to-texture widgets in the (sub-)tree due to hidden or native-
1024 // children. Returning null results in using the normal backingstore flush path-
1025 // without OpenGL-based compositing. This is very desirable normally. However,-
1026 // some platforms cannot handle switching between the non-GL and GL paths for-
1027 // their windows so it has to be opt-in.-
1028 static bool switchableWidgetComposition =-
1029 QGuiApplicationPrivate::instance()->platformIntegration()-
1030 ->hasCapability(QPlatformIntegration::SwitchableWidgetComposition);-
1031 if (!switchableWidgetComposition
!switchableWidgetCompositionDescription
TRUEnever evaluated
FALSEnever evaluated
0
1032// The Windows compositor handles fullscreen OpenGL window specially. Besides-
1033// having trouble with popups, it also has issues with flip-flopping between-
1034// OpenGL-based and normal flushing. Therefore, stick with GL for fullscreen-
1035// windows (QTBUG-53515). Similary, translucent windows should not switch to-
1036// layered native windows (QTBUG-54734).-
1037#if defined(Q_OS_WIN) && !defined(Q_OS_WINRT) && !defined(Q_OS_WINCE)-
1038 || tlw->windowState().testFlag(Qt::WindowFullScreen)-
1039 || tlw->testAttribute(Qt::WA_TranslucentBackground)-
1040#endif-
1041 )-
1042 {-
1043 return qt_dummy_platformTextureList();
never executed: return qt_dummy_platformTextureList();
0
1044 }-
1045 }
never executed: end of block
0
1046-
1047 return 0;
never executed: return 0;
0
1048}-
1049-
1050// Watches one or more QPlatformTextureLists for changes in the lock state and-
1051// triggers a backingstore sync when all the registered lists turn into-
1052// unlocked state. This is essential when a custom composeAndFlush()-
1053// implementation in a platform plugin is not synchronous and keeps-
1054// holding on to the textures for some time even after returning from there.-
1055QPlatformTextureListWatcher::QPlatformTextureListWatcher(QWidgetBackingStore *backingStore)-
1056 : m_backingStore(backingStore)-
1057{-
1058}
never executed: end of block
0
1059-
1060void QPlatformTextureListWatcher::watch(QPlatformTextureList *textureList)-
1061{-
1062 connect(textureList, SIGNAL(locked(bool)), SLOT(onLockStatusChanged(bool)));-
1063 m_locked[textureList] = textureList->isLocked();-
1064}
never executed: end of block
0
1065-
1066bool QPlatformTextureListWatcher::isLocked() const-
1067{-
1068 foreach (bool v, m_locked) {-
1069 if (v)
vDescription
TRUEnever evaluated
FALSEnever evaluated
0
1070 return true;
never executed: return true;
0
1071 }
never executed: end of block
0
1072 return false;
never executed: return false;
0
1073}-
1074-
1075void QPlatformTextureListWatcher::onLockStatusChanged(bool locked)-
1076{-
1077 QPlatformTextureList *tl = static_cast<QPlatformTextureList *>(sender());-
1078 m_locked[tl] = locked;-
1079 if (!isLocked())
!isLocked()Description
TRUEnever evaluated
FALSEnever evaluated
0
1080 m_backingStore->sync();
never executed: m_backingStore->sync();
0
1081}
never executed: end of block
0
1082-
1083#else-
1084-
1085static QPlatformTextureList *widgetTexturesFor(QWidget *tlw, QWidget *widget)-
1086{-
1087 Q_UNUSED(tlw);-
1088 Q_UNUSED(widget);-
1089 return Q_NULLPTR;-
1090}-
1091-
1092#endif // QT_NO_OPENGL-
1093-
1094static inline bool discardSyncRequest(QWidget *tlw, QTLWExtra *tlwExtra)-
1095{-
1096 if (!tlw || !tlwExtra || !tlw->testAttribute(Qt::WA_Mapped) || !tlw->isVisible())
!tlwDescription
TRUEnever evaluated
FALSEnever evaluated
!tlwExtraDescription
TRUEnever evaluated
FALSEnever evaluated
!tlw->testAttr...Qt::WA_Mapped)Description
TRUEnever evaluated
FALSEnever evaluated
!tlw->isVisible()Description
TRUEnever evaluated
FALSEnever evaluated
0
1097 return true;
never executed: return true;
0
1098-
1099 return false;
never executed: return false;
0
1100}-
1101-
1102bool QWidgetBackingStore::syncAllowed()-
1103{-
1104#ifndef QT_NO_OPENGL-
1105 QTLWExtra *tlwExtra = tlw->d_func()->maybeTopData();-
1106 if (textureListWatcher && !textureListWatcher->isLocked()) {
textureListWatcherDescription
TRUEnever evaluated
FALSEnever evaluated
!textureListWa...er->isLocked()Description
TRUEnever evaluated
FALSEnever evaluated
0
1107 textureListWatcher->deleteLater();-
1108 textureListWatcher = 0;-
1109 } else if (!tlwExtra->widgetTextures.isEmpty()) {
never executed: end of block
!tlwExtra->wid...ures.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1110 bool skipSync = false;-
1111 foreach (QPlatformTextureList *tl, tlwExtra->widgetTextures) {-
1112 if (tl->isLocked()) {
tl->isLocked()Description
TRUEnever evaluated
FALSEnever evaluated
0
1113 if (!textureListWatcher)
!textureListWatcherDescription
TRUEnever evaluated
FALSEnever evaluated
0
1114 textureListWatcher = new QPlatformTextureListWatcher(this);
never executed: textureListWatcher = new QPlatformTextureListWatcher(this);
0
1115 if (!textureListWatcher->isLocked())
!textureListWa...er->isLocked()Description
TRUEnever evaluated
FALSEnever evaluated
0
1116 textureListWatcher->watch(tl);
never executed: textureListWatcher->watch(tl);
0
1117 skipSync = true;-
1118 }
never executed: end of block
0
1119 }
never executed: end of block
0
1120 if (skipSync) // cannot compose due to widget textures being in use
skipSyncDescription
TRUEnever evaluated
FALSEnever evaluated
0
1121 return false;
never executed: return false;
0
1122 }
never executed: end of block
0
1123#endif-
1124 return true;
never executed: return true;
0
1125}-
1126-
1127/*!-
1128 Synchronizes the \a exposedRegion of the \a exposedWidget with the backing store.-
1129-
1130 If there's nothing to repaint, the area is flushed and painting does not occur;-
1131 otherwise the area is marked as dirty on screen and will be flushed right after-
1132 we are done with all painting.-
1133*/-
1134void QWidgetBackingStore::sync(QWidget *exposedWidget, const QRegion &exposedRegion)-
1135{-
1136 QTLWExtra *tlwExtra = tlw->d_func()->maybeTopData();-
1137 if (!tlw->isVisible() || !tlwExtra || tlwExtra->inTopLevelResize)
!tlw->isVisible()Description
TRUEnever evaluated
FALSEnever evaluated
!tlwExtraDescription
TRUEnever evaluated
FALSEnever evaluated
tlwExtra->inTopLevelResizeDescription
TRUEnever evaluated
FALSEnever evaluated
0
1138 return;
never executed: return;
0
1139-
1140 if (!exposedWidget || !exposedWidget->internalWinId() || !exposedWidget->isVisible() || !exposedWidget->testAttribute(Qt::WA_Mapped)
!exposedWidgetDescription
TRUEnever evaluated
FALSEnever evaluated
!exposedWidget...nternalWinId()Description
TRUEnever evaluated
FALSEnever evaluated
!exposedWidget->isVisible()Description
TRUEnever evaluated
FALSEnever evaluated
!exposedWidget...Qt::WA_Mapped)Description
TRUEnever evaluated
FALSEnever evaluated
0
1141 || !exposedWidget->updatesEnabled() || exposedRegion.isEmpty()) {
!exposedWidget...datesEnabled()Description
TRUEnever evaluated
FALSEnever evaluated
exposedRegion.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1142 return;
never executed: return;
0
1143 }-
1144-
1145 // Nothing to repaint.-
1146 if (!isDirty() && store->size().isValid()) {
!isDirty()Description
TRUEnever evaluated
FALSEnever evaluated
store->size().isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
1147 QPlatformTextureList *tl = widgetTexturesFor(tlw, exposedWidget);-
1148 qt_flush(exposedWidget, tl ? QRegion() : exposedRegion, store, tlw, tlwOffset, tl, this);-
1149 return;
never executed: return;
0
1150 }-
1151-
1152 if (exposedWidget != tlw)
exposedWidget != tlwDescription
TRUEnever evaluated
FALSEnever evaluated
0
1153 markDirtyOnScreen(exposedRegion, exposedWidget, exposedWidget->mapTo(tlw, QPoint()));
never executed: markDirtyOnScreen(exposedRegion, exposedWidget, exposedWidget->mapTo(tlw, QPoint()));
0
1154 else-
1155 markDirtyOnScreen(exposedRegion, exposedWidget, QPoint());
never executed: markDirtyOnScreen(exposedRegion, exposedWidget, QPoint());
0
1156-
1157 if (syncAllowed())
syncAllowed()Description
TRUEnever evaluated
FALSEnever evaluated
0
1158 doSync();
never executed: doSync();
0
1159}
never executed: end of block
0
1160-
1161/*!-
1162 Synchronizes the backing store, i.e. dirty areas are repainted and flushed.-
1163*/-
1164void QWidgetBackingStore::sync()-
1165{-
1166 updateRequestSent = false;-
1167 QTLWExtra *tlwExtra = tlw->d_func()->maybeTopData();-
1168 if (discardSyncRequest(tlw, tlwExtra)) {
discardSyncReq...tlw, tlwExtra)Description
TRUEnever evaluated
FALSEnever evaluated
0
1169 // If the top-level is minimized, it's not visible on the screen so we can delay the-
1170 // update until it's shown again. In order to do that we must keep the dirty states.-
1171 // These will be cleared when we receive the first expose after showNormal().-
1172 // However, if the widget is not visible (isVisible() returns false), everything will-
1173 // be invalidated once the widget is shown again, so clear all dirty states.-
1174 if (!tlw->isVisible()) {
!tlw->isVisible()Description
TRUEnever evaluated
FALSEnever evaluated
0
1175 dirty = QRegion();-
1176 for (int i = 0; i < dirtyWidgets.size(); ++i)
i < dirtyWidgets.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
1177 resetWidget(dirtyWidgets.at(i));
never executed: resetWidget(dirtyWidgets.at(i));
0
1178 dirtyWidgets.clear();-
1179 fullUpdatePending = false;-
1180 }
never executed: end of block
0
1181 return;
never executed: return;
0
1182 }-
1183-
1184 if (syncAllowed())
syncAllowed()Description
TRUEnever evaluated
FALSEnever evaluated
0
1185 doSync();
never executed: doSync();
0
1186}
never executed: end of block
0
1187-
1188void QWidgetBackingStore::doSync()-
1189{-
1190 const bool updatesDisabled = !tlw->updatesEnabled();-
1191 bool repaintAllWidgets = false;-
1192-
1193 const bool inTopLevelResize = tlw->d_func()->maybeTopData()->inTopLevelResize;-
1194 const QRect tlwRect(topLevelRect());-
1195 const QRect surfaceGeometry(tlwRect.topLeft(), store->size());-
1196 if ((fullUpdatePending || inTopLevelResize || surfaceGeometry.size() != tlwRect.size()) && !updatesDisabled) {
fullUpdatePendingDescription
TRUEnever evaluated
FALSEnever evaluated
inTopLevelResizeDescription
TRUEnever evaluated
FALSEnever evaluated
surfaceGeometr...tlwRect.size()Description
TRUEnever evaluated
FALSEnever evaluated
!updatesDisabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
1197 if (hasStaticContents() && !store->size().isEmpty() ) {
hasStaticContents()Description
TRUEnever evaluated
FALSEnever evaluated
!store->size().isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1198 // Repaint existing dirty area and newly visible area.-
1199 const QRect clipRect(0, 0, surfaceGeometry.width(), surfaceGeometry.height());-
1200 const QRegion staticRegion(staticContents(0, clipRect));-
1201 QRegion newVisible(0, 0, tlwRect.width(), tlwRect.height());-
1202 newVisible -= staticRegion;-
1203 dirty += newVisible;-
1204 store->setStaticContents(staticRegion);-
1205 } else {
never executed: end of block
0
1206 // Repaint everything.-
1207 dirty = QRegion(0, 0, tlwRect.width(), tlwRect.height());-
1208 for (int i = 0; i < dirtyWidgets.size(); ++i)
i < dirtyWidgets.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
1209 resetWidget(dirtyWidgets.at(i));
never executed: resetWidget(dirtyWidgets.at(i));
0
1210 dirtyWidgets.clear();-
1211 repaintAllWidgets = true;-
1212 }
never executed: end of block
0
1213 }-
1214-
1215 if (inTopLevelResize || surfaceGeometry.size() != tlwRect.size())
inTopLevelResizeDescription
TRUEnever evaluated
FALSEnever evaluated
surfaceGeometr...tlwRect.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
1216 store->resize(tlwRect.size());
never executed: store->resize(tlwRect.size());
0
1217-
1218 if (updatesDisabled)
updatesDisabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
1219 return;
never executed: return;
0
1220-
1221 // Contains everything that needs repaint.-
1222 QRegion toClean(dirty);-
1223-
1224 // Loop through all update() widgets and remove them from the list before they are-
1225 // painted (in case someone calls update() in paintEvent). If the widget is opaque-
1226 // and does not have transparent overlapping siblings, append it to the-
1227 // opaqueNonOverlappedWidgets list and paint it directly without composition.-
1228 QVarLengthArray<QWidget *, 32> opaqueNonOverlappedWidgets;-
1229 for (int i = 0; i < dirtyWidgets.size(); ++i) {
i < dirtyWidgets.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
1230 QWidget *w = dirtyWidgets.at(i);-
1231 QWidgetPrivate *wd = w->d_func();-
1232 if (wd->data.in_destructor)
wd->data.in_destructorDescription
TRUEnever evaluated
FALSEnever evaluated
0
1233 continue;
never executed: continue;
0
1234-
1235 // Clip with mask() and clipRect().-
1236 wd->dirty &= wd->clipRect();-
1237 wd->clipToEffectiveMask(wd->dirty);-
1238-
1239 // Subtract opaque siblings and children.-
1240 bool hasDirtySiblingsAbove = false;-
1241 // We know for sure that the widget isn't overlapped if 'isMoved' is true.-
1242 if (!wd->isMoved)
!wd->isMovedDescription
TRUEnever evaluated
FALSEnever evaluated
0
1243 wd->subtractOpaqueSiblings(wd->dirty, &hasDirtySiblingsAbove);
never executed: wd->subtractOpaqueSiblings(wd->dirty, &hasDirtySiblingsAbove);
0
1244-
1245 // Make a copy of the widget's dirty region, to restore it in case there is an opaque-
1246 // render-to-texture child that completely covers the widget, because otherwise the-
1247 // render-to-texture child won't be visible, due to its parent widget not being redrawn-
1248 // with a proper blending mask.-
1249 const QRegion dirtyBeforeSubtractedOpaqueChildren = wd->dirty;-
1250-
1251 // Scrolled and moved widgets must draw all children.-
1252 if (!wd->isScrolled && !wd->isMoved)
!wd->isScrolledDescription
TRUEnever evaluated
FALSEnever evaluated
!wd->isMovedDescription
TRUEnever evaluated
FALSEnever evaluated
0
1253 wd->subtractOpaqueChildren(wd->dirty, w->rect());
never executed: wd->subtractOpaqueChildren(wd->dirty, w->rect());
0
1254-
1255 if (wd->dirty.isEmpty() && wd->textureChildSeen)
wd->dirty.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
wd->textureChildSeenDescription
TRUEnever evaluated
FALSEnever evaluated
0
1256 wd->dirty = dirtyBeforeSubtractedOpaqueChildren;
never executed: wd->dirty = dirtyBeforeSubtractedOpaqueChildren;
0
1257-
1258 if (wd->dirty.isEmpty()) {
wd->dirty.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1259 resetWidget(w);-
1260 continue;
never executed: continue;
0
1261 }-
1262-
1263 const QRegion widgetDirty(w != tlw ? wd->dirty.translated(w->mapTo(tlw, QPoint()))-
1264 : wd->dirty);-
1265 toClean += widgetDirty;-
1266-
1267#ifndef QT_NO_GRAPHICSVIEW-
1268 if (tlw->d_func()->extra->proxyWidget) {
tlw->d_func()-...a->proxyWidgetDescription
TRUEnever evaluated
FALSEnever evaluated
0
1269 resetWidget(w);-
1270 continue;
never executed: continue;
0
1271 }-
1272#endif-
1273-
1274 if (!hasDirtySiblingsAbove && wd->isOpaque && !dirty.intersects(widgetDirty.boundingRect())) {
!hasDirtySiblingsAboveDescription
TRUEnever evaluated
FALSEnever evaluated
wd->isOpaqueDescription
TRUEnever evaluated
FALSEnever evaluated
!dirty.interse...oundingRect())Description
TRUEnever evaluated
FALSEnever evaluated
0
1275 opaqueNonOverlappedWidgets.append(w);-
1276 } else {
never executed: end of block
0
1277 resetWidget(w);-
1278 dirty += widgetDirty;-
1279 }
never executed: end of block
0
1280 }-
1281 dirtyWidgets.clear();-
1282-
1283#ifndef QT_NO_OPENGL-
1284 // Find all render-to-texture child widgets (including self).-
1285 // The search is cut at native widget boundaries, meaning that each native child widget-
1286 // has its own list for the subtree below it.-
1287 QTLWExtra *tlwExtra = tlw->d_func()->topData();-
1288 qDeleteAll(tlwExtra->widgetTextures);-
1289 tlwExtra->widgetTextures.clear();-
1290 findAllTextureWidgetsRecursively(tlw, tlw);-
1291 qt_window_private(tlw->windowHandle())->compositing = false; // will get updated in qt_flush()-
1292 fullUpdatePending = false;-
1293#endif-
1294-
1295 if (toClean.isEmpty()) {
toClean.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1296 // Nothing to repaint. However renderToTexture widgets are handled-
1297 // specially, they are not in the regular dirty list, in order to-
1298 // prevent triggering unnecessary backingstore painting when only the-
1299 // OpenGL content changes. Check if we have such widgets in the special-
1300 // dirty list.-
1301 QVarLengthArray<QWidget *, 16> paintPending;-
1302 const int numPaintPending = dirtyRenderToTextureWidgets.count();-
1303 paintPending.reserve(numPaintPending);-
1304 for (int i = 0; i < numPaintPending; ++i) {
i < numPaintPendingDescription
TRUEnever evaluated
FALSEnever evaluated
0
1305 QWidget *w = dirtyRenderToTextureWidgets.at(i);-
1306 paintPending << w;-
1307 resetWidget(w);-
1308 }
never executed: end of block
0
1309 dirtyRenderToTextureWidgets.clear();-
1310 for (int i = 0; i < numPaintPending; ++i) {
i < numPaintPendingDescription
TRUEnever evaluated
FALSEnever evaluated
0
1311 QWidget *w = paintPending[i];-
1312 w->d_func()->sendPaintEvent(w->rect());-
1313 if (w != tlw) {
w != tlwDescription
TRUEnever evaluated
FALSEnever evaluated
0
1314 QWidget *npw = w->nativeParentWidget();-
1315 if (w->internalWinId() || (npw && npw != tlw)) {
w->internalWinId()Description
TRUEnever evaluated
FALSEnever evaluated
npwDescription
TRUEnever evaluated
FALSEnever evaluated
npw != tlwDescription
TRUEnever evaluated
FALSEnever evaluated
0
1316 if (!w->internalWinId())
!w->internalWinId()Description
TRUEnever evaluated
FALSEnever evaluated
0
1317 w = npw;
never executed: w = npw;
0
1318 QWidgetPrivate *wPrivate = w->d_func();-
1319 if (!wPrivate->needsFlush)
!wPrivate->needsFlushDescription
TRUEnever evaluated
FALSEnever evaluated
0
1320 wPrivate->needsFlush = new QRegion;
never executed: wPrivate->needsFlush = new QRegion;
0
1321 appendDirtyOnScreenWidget(w);-
1322 }
never executed: end of block
0
1323 }
never executed: end of block
0
1324 }
never executed: end of block
0
1325-
1326 // We might have newly exposed areas on the screen if this function was-
1327 // called from sync(QWidget *, QRegion)), so we have to make sure those-
1328 // are flushed. We also need to composite the renderToTexture widgets.-
1329 flush();-
1330-
1331 return;
never executed: return;
0
1332 }-
1333-
1334#ifndef QT_NO_OPENGL-
1335 foreach (QPlatformTextureList *tl, tlwExtra->widgetTextures) {-
1336 for (int i = 0; i < tl->count(); ++i) {
i < tl->count()Description
TRUEnever evaluated
FALSEnever evaluated
0
1337 QWidget *w = static_cast<QWidget *>(tl->source(i));-
1338 if (dirtyRenderToTextureWidgets.contains(w)) {
dirtyRenderToT...ts.contains(w)Description
TRUEnever evaluated
FALSEnever evaluated
0
1339 const QRect rect = tl->geometry(i); // mapped to the tlw already-
1340 // Set a flag to indicate that the paint event for this-
1341 // render-to-texture widget must not to be optimized away.-
1342 w->d_func()->renderToTextureReallyDirty = 1;-
1343 dirty += rect;-
1344 toClean += rect;-
1345 }
never executed: end of block
0
1346 }
never executed: end of block
0
1347 }
never executed: end of block
0
1348 for (int i = 0; i < dirtyRenderToTextureWidgets.count(); ++i)
i < dirtyRende...idgets.count()Description
TRUEnever evaluated
FALSEnever evaluated
0
1349 resetWidget(dirtyRenderToTextureWidgets.at(i));
never executed: resetWidget(dirtyRenderToTextureWidgets.at(i));
0
1350 dirtyRenderToTextureWidgets.clear();-
1351#endif-
1352-
1353#ifndef QT_NO_GRAPHICSVIEW-
1354 if (tlw->d_func()->extra->proxyWidget) {
tlw->d_func()-...a->proxyWidgetDescription
TRUEnever evaluated
FALSEnever evaluated
0
1355 updateStaticContentsSize();-
1356 dirty = QRegion();-
1357 updateRequestSent = false;-
1358 const QVector<QRect> rects(toClean.rects());-
1359 for (int i = 0; i < rects.size(); ++i)
i < rects.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
1360 tlw->d_func()->extra->proxyWidget->update(rects.at(i));
never executed: tlw->d_func()->extra->proxyWidget->update(rects.at(i));
0
1361 return;
never executed: return;
0
1362 }-
1363#endif-
1364-
1365 BeginPaintInfo beginPaintInfo;-
1366 beginPaint(toClean, tlw, store, &beginPaintInfo);-
1367 if (beginPaintInfo.nothingToPaint) {
beginPaintInfo.nothingToPaintDescription
TRUEnever evaluated
FALSEnever evaluated
0
1368 for (int i = 0; i < opaqueNonOverlappedWidgets.size(); ++i)
i < opaqueNonO...Widgets.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
1369 resetWidget(opaqueNonOverlappedWidgets[i]);
never executed: resetWidget(opaqueNonOverlappedWidgets[i]);
0
1370 dirty = QRegion();-
1371 updateRequestSent = false;-
1372 return;
never executed: return;
0
1373 }-
1374-
1375 // Must do this before sending any paint events because-
1376 // the size may change in the paint event.-
1377 updateStaticContentsSize();-
1378 const QRegion dirtyCopy(dirty);-
1379 dirty = QRegion();-
1380 updateRequestSent = false;-
1381-
1382 // Paint opaque non overlapped widgets.-
1383 for (int i = 0; i < opaqueNonOverlappedWidgets.size(); ++i) {
i < opaqueNonO...Widgets.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
1384 QWidget *w = opaqueNonOverlappedWidgets[i];-
1385 QWidgetPrivate *wd = w->d_func();-
1386-
1387 int flags = QWidgetPrivate::DrawRecursive;-
1388 // Scrolled and moved widgets must draw all children.-
1389 if (!wd->isScrolled && !wd->isMoved)
!wd->isScrolledDescription
TRUEnever evaluated
FALSEnever evaluated
!wd->isMovedDescription
TRUEnever evaluated
FALSEnever evaluated
0
1390 flags |= QWidgetPrivate::DontDrawOpaqueChildren;
never executed: flags |= QWidgetPrivate::DontDrawOpaqueChildren;
0
1391 if (w == tlw)
w == tlwDescription
TRUEnever evaluated
FALSEnever evaluated
0
1392 flags |= QWidgetPrivate::DrawAsRoot;
never executed: flags |= QWidgetPrivate::DrawAsRoot;
0
1393-
1394 QRegion toBePainted(wd->dirty);-
1395 resetWidget(w);-
1396-
1397 QPoint offset(tlwOffset);-
1398 if (w != tlw)
w != tlwDescription
TRUEnever evaluated
FALSEnever evaluated
0
1399 offset += w->mapTo(tlw, QPoint());
never executed: offset += w->mapTo(tlw, QPoint());
0
1400 wd->drawWidget(store->paintDevice(), toBePainted, offset, flags, 0, this);-
1401 }
never executed: end of block
0
1402-
1403 // Paint the rest with composition.-
1404 if (repaintAllWidgets || !dirtyCopy.isEmpty()) {
repaintAllWidgetsDescription
TRUEnever evaluated
FALSEnever evaluated
!dirtyCopy.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1405 const int flags = QWidgetPrivate::DrawAsRoot | QWidgetPrivate::DrawRecursive;-
1406 tlw->d_func()->drawWidget(store->paintDevice(), dirtyCopy, tlwOffset, flags, 0, this);-
1407 }
never executed: end of block
0
1408-
1409 endPaint(toClean, store, &beginPaintInfo);-
1410}
never executed: end of block
0
1411-
1412/*!-
1413 Flushes the contents of the backing store into the top-level widget.-
1414 If the \a widget is non-zero, the content is flushed to the \a widget.-
1415 If the \a surface is non-zero, the content of the \a surface is flushed.-
1416*/-
1417void QWidgetBackingStore::flush(QWidget *widget)-
1418{-
1419 const bool hasDirtyOnScreenWidgets = dirtyOnScreenWidgets && !dirtyOnScreenWidgets->isEmpty();
dirtyOnScreenWidgetsDescription
TRUEnever evaluated
FALSEnever evaluated
!dirtyOnScreen...ets->isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1420 bool flushed = false;-
1421-
1422 // Flush the region in dirtyOnScreen.-
1423 if (!dirtyOnScreen.isEmpty()) {
!dirtyOnScreen.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1424 QWidget *target = widget ? widget : tlw;
widgetDescription
TRUEnever evaluated
FALSEnever evaluated
0
1425 qt_flush(target, dirtyOnScreen, store, tlw, tlwOffset, widgetTexturesFor(tlw, tlw), this);-
1426 dirtyOnScreen = QRegion();-
1427 flushed = true;-
1428 }
never executed: end of block
0
1429-
1430 // Render-to-texture widgets are not in dirtyOnScreen so flush if we have not done it above.-
1431 if (!flushed && !hasDirtyOnScreenWidgets) {
!flushedDescription
TRUEnever evaluated
FALSEnever evaluated
!hasDirtyOnScreenWidgetsDescription
TRUEnever evaluated
FALSEnever evaluated
0
1432#ifndef QT_NO_OPENGL-
1433 if (!tlw->d_func()->topData()->widgetTextures.isEmpty()) {
!tlw->d_func()...ures.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1434 QPlatformTextureList *tl = widgetTexturesFor(tlw, tlw);-
1435 if (tl) {
tlDescription
TRUEnever evaluated
FALSEnever evaluated
0
1436 QWidget *target = widget ? widget : tlw;
widgetDescription
TRUEnever evaluated
FALSEnever evaluated
0
1437 qt_flush(target, QRegion(), store, tlw, tlwOffset, tl, this);-
1438 }
never executed: end of block
0
1439 }
never executed: end of block
0
1440#endif-
1441 }
never executed: end of block
0
1442-
1443 if (!hasDirtyOnScreenWidgets)
!hasDirtyOnScreenWidgetsDescription
TRUEnever evaluated
FALSEnever evaluated
0
1444 return;
never executed: return;
0
1445-
1446 for (int i = 0; i < dirtyOnScreenWidgets->size(); ++i) {
i < dirtyOnScr...idgets->size()Description
TRUEnever evaluated
FALSEnever evaluated
0
1447 QWidget *w = dirtyOnScreenWidgets->at(i);-
1448 QWidgetPrivate *wd = w->d_func();-
1449 Q_ASSERT(wd->needsFlush);-
1450 QPlatformTextureList *widgetTexturesForNative = wd->textureChildSeen ? widgetTexturesFor(tlw, w) : 0;
wd->textureChildSeenDescription
TRUEnever evaluated
FALSEnever evaluated
0
1451 qt_flush(w, *wd->needsFlush, store, tlw, tlwOffset, widgetTexturesForNative, this);-
1452 *wd->needsFlush = QRegion();-
1453 }
never executed: end of block
0
1454 dirtyOnScreenWidgets->clear();-
1455}
never executed: end of block
0
1456-
1457static inline bool discardInvalidateBufferRequest(QWidget *widget, QTLWExtra *tlwExtra)-
1458{-
1459 Q_ASSERT(widget);-
1460 if (QApplication::closingDown())
QApplication::closingDown()Description
TRUEnever evaluated
FALSEnever evaluated
0
1461 return true;
never executed: return true;
0
1462-
1463 if (!tlwExtra || tlwExtra->inTopLevelResize || !tlwExtra->backingStore)
!tlwExtraDescription
TRUEnever evaluated
FALSEnever evaluated
tlwExtra->inTopLevelResizeDescription
TRUEnever evaluated
FALSEnever evaluated
!tlwExtra->backingStoreDescription
TRUEnever evaluated
FALSEnever evaluated
0
1464 return true;
never executed: return true;
0
1465-
1466 if (!widget->isVisible() || !widget->updatesEnabled())
!widget->isVisible()Description
TRUEnever evaluated
FALSEnever evaluated
!widget->updatesEnabled()Description
TRUEnever evaluated
FALSEnever evaluated
0
1467 return true;
never executed: return true;
0
1468-
1469 return false;
never executed: return false;
0
1470}-
1471-
1472/*!-
1473 Invalidates the buffer when the widget is resized.-
1474 Static areas are never invalidated unless absolutely needed.-
1475*/-
1476void QWidgetPrivate::invalidateBuffer_resizeHelper(const QPoint &oldPos, const QSize &oldSize)-
1477{-
1478 Q_Q(QWidget);-
1479 Q_ASSERT(!q->isWindow());-
1480 Q_ASSERT(q->parentWidget());-
1481-
1482 const bool staticContents = q->testAttribute(Qt::WA_StaticContents);-
1483 const bool sizeDecreased = (data.crect.width() < oldSize.width())
(data.crect.wi...dSize.width())Description
TRUEnever evaluated
FALSEnever evaluated
0
1484 || (data.crect.height() < oldSize.height());
(data.crect.he...Size.height())Description
TRUEnever evaluated
FALSEnever evaluated
0
1485-
1486 const QPoint offset(data.crect.x() - oldPos.x(), data.crect.y() - oldPos.y());-
1487 const bool parentAreaExposed = !offset.isNull() || sizeDecreased;
!offset.isNull()Description
TRUEnever evaluated
FALSEnever evaluated
sizeDecreasedDescription
TRUEnever evaluated
FALSEnever evaluated
0
1488 const QRect newWidgetRect(q->rect());-
1489 const QRect oldWidgetRect(0, 0, oldSize.width(), oldSize.height());-
1490-
1491 if (!staticContents || graphicsEffect) {
!staticContentsDescription
TRUEnever evaluated
FALSEnever evaluated
graphicsEffectDescription
TRUEnever evaluated
FALSEnever evaluated
0
1492 QRegion staticChildren;-
1493 QWidgetBackingStore *bs = 0;-
1494 if (offset.isNull() && (bs = maybeBackingStore()))
offset.isNull()Description
TRUEnever evaluated
FALSEnever evaluated
(bs = maybeBackingStore())Description
TRUEnever evaluated
FALSEnever evaluated
0
1495 staticChildren = bs->staticContents(q, oldWidgetRect);
never executed: staticChildren = bs->staticContents(q, oldWidgetRect);
0
1496 const bool hasStaticChildren = !staticChildren.isEmpty();-
1497-
1498 if (hasStaticChildren) {
hasStaticChildrenDescription
TRUEnever evaluated
FALSEnever evaluated
0
1499 QRegion dirty(newWidgetRect);-
1500 dirty -= staticChildren;-
1501 invalidateBuffer(dirty);-
1502 } else {
never executed: end of block
0
1503 // Entire widget needs repaint.-
1504 invalidateBuffer(newWidgetRect);-
1505 }
never executed: end of block
0
1506-
1507 if (!parentAreaExposed)
!parentAreaExposedDescription
TRUEnever evaluated
FALSEnever evaluated
0
1508 return;
never executed: return;
0
1509-
1510 // Invalidate newly exposed area of the parent.-
1511 if (!graphicsEffect && extra && extra->hasMask) {
!graphicsEffectDescription
TRUEnever evaluated
FALSEnever evaluated
extraDescription
TRUEnever evaluated
FALSEnever evaluated
extra->hasMaskDescription
TRUEnever evaluated
FALSEnever evaluated
0
1512 QRegion parentExpose(extra->mask.translated(oldPos));-
1513 parentExpose &= QRect(oldPos, oldSize);-
1514 if (hasStaticChildren)
hasStaticChildrenDescription
TRUEnever evaluated
FALSEnever evaluated
0
1515 parentExpose -= data.crect; // Offset is unchanged, safe to do this.
never executed: parentExpose -= data.crect;
0
1516 q->parentWidget()->d_func()->invalidateBuffer(parentExpose);-
1517 } else {
never executed: end of block
0
1518 if (hasStaticChildren && !graphicsEffect) {
hasStaticChildrenDescription
TRUEnever evaluated
FALSEnever evaluated
!graphicsEffectDescription
TRUEnever evaluated
FALSEnever evaluated
0
1519 QRegion parentExpose(QRect(oldPos, oldSize));-
1520 parentExpose -= data.crect; // Offset is unchanged, safe to do this.-
1521 q->parentWidget()->d_func()->invalidateBuffer(parentExpose);-
1522 } else {
never executed: end of block
0
1523 q->parentWidget()->d_func()->invalidateBuffer(effectiveRectFor(QRect(oldPos, oldSize)));-
1524 }
never executed: end of block
0
1525 }-
1526 return;
never executed: return;
0
1527 }-
1528-
1529 // Move static content to its new position.-
1530 if (!offset.isNull()) {
!offset.isNull()Description
TRUEnever evaluated
FALSEnever evaluated
0
1531 if (sizeDecreased) {
sizeDecreasedDescription
TRUEnever evaluated
FALSEnever evaluated
0
1532 const QSize minSize(qMin(oldSize.width(), data.crect.width()),-
1533 qMin(oldSize.height(), data.crect.height()));-
1534 moveRect(QRect(oldPos, minSize), offset.x(), offset.y());-
1535 } else {
never executed: end of block
0
1536 moveRect(QRect(oldPos, oldSize), offset.x(), offset.y());-
1537 }
never executed: end of block
0
1538 }-
1539-
1540 // Invalidate newly visible area of the widget.-
1541 if (!sizeDecreased || !oldWidgetRect.contains(newWidgetRect)) {
!sizeDecreasedDescription
TRUEnever evaluated
FALSEnever evaluated
!oldWidgetRect...newWidgetRect)Description
TRUEnever evaluated
FALSEnever evaluated
0
1542 QRegion newVisible(newWidgetRect);-
1543 newVisible -= oldWidgetRect;-
1544 invalidateBuffer(newVisible);-
1545 }
never executed: end of block
0
1546-
1547 if (!parentAreaExposed)
!parentAreaExposedDescription
TRUEnever evaluated
FALSEnever evaluated
0
1548 return;
never executed: return;
0
1549-
1550 // Invalidate newly exposed area of the parent.-
1551 const QRect oldRect(oldPos, oldSize);-
1552 if (extra && extra->hasMask) {
extraDescription
TRUEnever evaluated
FALSEnever evaluated
extra->hasMaskDescription
TRUEnever evaluated
FALSEnever evaluated
0
1553 QRegion parentExpose(oldRect);-
1554 parentExpose &= extra->mask.translated(oldPos);-
1555 parentExpose -= (extra->mask.translated(data.crect.topLeft()) & data.crect);-
1556 q->parentWidget()->d_func()->invalidateBuffer(parentExpose);-
1557 } else {
never executed: end of block
0
1558 QRegion parentExpose(oldRect);-
1559 parentExpose -= data.crect;-
1560 q->parentWidget()->d_func()->invalidateBuffer(parentExpose);-
1561 }
never executed: end of block
0
1562}-
1563-
1564/*!-
1565 Invalidates the \a rgn (in widget's coordinates) of the backing store, i.e.-
1566 all widgets intersecting with the region will be repainted when the backing store-
1567 is synced.-
1568-
1569 ### Qt 4.6: Merge into a template function (after MSVC isn't supported anymore).-
1570*/-
1571void QWidgetPrivate::invalidateBuffer(const QRegion &rgn)-
1572{-
1573 Q_Q(QWidget);-
1574-
1575 QTLWExtra *tlwExtra = q->window()->d_func()->maybeTopData();-
1576 if (discardInvalidateBufferRequest(q, tlwExtra) || rgn.isEmpty())
discardInvalid...t(q, tlwExtra)Description
TRUEnever evaluated
FALSEnever evaluated
rgn.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1577 return;
never executed: return;
0
1578-
1579 QRegion wrgn(rgn);-
1580 wrgn &= clipRect();-
1581 if (!graphicsEffect && extra && extra->hasMask)
!graphicsEffectDescription
TRUEnever evaluated
FALSEnever evaluated
extraDescription
TRUEnever evaluated
FALSEnever evaluated
extra->hasMaskDescription
TRUEnever evaluated
FALSEnever evaluated
0
1582 wrgn &= extra->mask;
never executed: wrgn &= extra->mask;
0
1583 if (wrgn.isEmpty())
wrgn.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1584 return;
never executed: return;
0
1585-
1586 tlwExtra->backingStoreTracker->markDirty(wrgn, q,-
1587 QWidgetBackingStore::UpdateLater, QWidgetBackingStore::BufferInvalid);-
1588}
never executed: end of block
0
1589-
1590/*!-
1591 This function is equivalent to calling invalidateBuffer(QRegion(rect), ...), but-
1592 is more efficient as it eliminates QRegion operations/allocations and can-
1593 use the rect more precisely for additional cut-offs.-
1594-
1595 ### Qt 4.6: Merge into a template function (after MSVC isn't supported anymore).-
1596*/-
1597void QWidgetPrivate::invalidateBuffer(const QRect &rect)-
1598{-
1599 Q_Q(QWidget);-
1600-
1601 QTLWExtra *tlwExtra = q->window()->d_func()->maybeTopData();-
1602 if (discardInvalidateBufferRequest(q, tlwExtra) || rect.isEmpty())
discardInvalid...t(q, tlwExtra)Description
TRUEnever evaluated
FALSEnever evaluated
rect.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1603 return;
never executed: return;
0
1604-
1605 QRect wRect(rect);-
1606 wRect &= clipRect();-
1607 if (wRect.isEmpty())
wRect.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1608 return;
never executed: return;
0
1609-
1610 if (graphicsEffect || !extra || !extra->hasMask) {
graphicsEffectDescription
TRUEnever evaluated
FALSEnever evaluated
!extraDescription
TRUEnever evaluated
FALSEnever evaluated
!extra->hasMaskDescription
TRUEnever evaluated
FALSEnever evaluated
0
1611 tlwExtra->backingStoreTracker->markDirty(wRect, q,-
1612 QWidgetBackingStore::UpdateLater, QWidgetBackingStore::BufferInvalid);-
1613 return;
never executed: return;
0
1614 }-
1615-
1616 QRegion wRgn(extra->mask);-
1617 wRgn &= wRect;-
1618 if (wRgn.isEmpty())
wRgn.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1619 return;
never executed: return;
0
1620-
1621 tlwExtra->backingStoreTracker->markDirty(wRgn, q,-
1622 QWidgetBackingStore::UpdateLater, QWidgetBackingStore::BufferInvalid);-
1623}
never executed: end of block
0
1624-
1625void QWidgetPrivate::repaint_sys(const QRegion &rgn)-
1626{-
1627 if (data.in_destructor)
data.in_destructorDescription
TRUEnever evaluated
FALSEnever evaluated
0
1628 return;
never executed: return;
0
1629-
1630 Q_Q(QWidget);-
1631 if (discardSyncRequest(q, maybeTopData()))
discardSyncReq...aybeTopData())Description
TRUEnever evaluated
FALSEnever evaluated
0
1632 return;
never executed: return;
0
1633-
1634 if (q->testAttribute(Qt::WA_StaticContents)) {
q->testAttribu...taticContents)Description
TRUEnever evaluated
FALSEnever evaluated
0
1635 if (!extra)
!extraDescription
TRUEnever evaluated
FALSEnever evaluated
0
1636 createExtra();
never executed: createExtra();
0
1637 extra->staticContentsSize = data.crect.size();-
1638 }
never executed: end of block
0
1639-
1640 QPaintEngine *engine = q->paintEngine();-
1641-
1642 // QGLWidget does not support partial updates if:-
1643 // 1) The context is double buffered-
1644 // 2) The context is single buffered and auto-fill background is enabled.-
1645 const bool noPartialUpdateSupport = (engine && (engine->type() == QPaintEngine::OpenGL
engineDescription
TRUEnever evaluated
FALSEnever evaluated
engine->type()...Engine::OpenGLDescription
TRUEnever evaluated
FALSEnever evaluated
0
1646 || engine->type() == QPaintEngine::OpenGL2))
engine->type()...ngine::OpenGL2Description
TRUEnever evaluated
FALSEnever evaluated
0
1647 && (usesDoubleBufferedGLContext || q->autoFillBackground());
usesDoubleBufferedGLContextDescription
TRUEnever evaluated
FALSEnever evaluated
q->autoFillBackground()Description
TRUEnever evaluated
FALSEnever evaluated
0
1648 QRegion toBePainted(noPartialUpdateSupport ? q->rect() : rgn);-
1649-
1650#ifdef Q_DEAD_CODE_FROM_QT4_MAC-
1651 // No difference between update() and repaint() on the Mac.-
1652 update_sys(toBePainted);-
1653 return;-
1654#endif-
1655-
1656 toBePainted &= clipRect();-
1657 clipToEffectiveMask(toBePainted);-
1658 if (toBePainted.isEmpty())
toBePainted.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1659 return; // Nothing to repaint.
never executed: return;
0
1660-
1661#ifndef QT_NO_PAINT_DEBUG-
1662 bool flushed = QWidgetBackingStore::flushPaint(q, toBePainted);-
1663#endif-
1664-
1665 drawWidget(q, toBePainted, QPoint(), QWidgetPrivate::DrawAsRoot | QWidgetPrivate::DrawPaintOnScreen, 0);-
1666-
1667#ifndef QT_NO_PAINT_DEBUG-
1668 if (flushed)
flushedDescription
TRUEnever evaluated
FALSEnever evaluated
0
1669 QWidgetBackingStore::unflushPaint(q, toBePainted);
never executed: QWidgetBackingStore::unflushPaint(q, toBePainted);
0
1670#endif-
1671-
1672 if (Q_UNLIKELY(q->paintingActive()))
__builtin_expe...ive()), false)Description
TRUEnever evaluated
FALSEnever evaluated
0
1673 qWarning("QWidget::repaint: It is dangerous to leave painters active on a widget outside of the PaintEvent");
never executed: QMessageLogger(__FILE__, 1673, __PRETTY_FUNCTION__).warning("QWidget::repaint: It is dangerous to leave painters active on a widget outside of the PaintEvent");
0
1674}
never executed: end of block
0
1675-
1676-
1677QT_END_NAMESPACE-
1678-
1679#include "moc_qwidgetbackingstore_p.cpp"-
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