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Diffstat (limited to 'src/widgets/kernel/qwidgetbackingstore_p.h')
| -rw-r--r-- | src/widgets/kernel/qwidgetbackingstore_p.h | 310 |
1 files changed, 0 insertions, 310 deletions
diff --git a/src/widgets/kernel/qwidgetbackingstore_p.h b/src/widgets/kernel/qwidgetbackingstore_p.h deleted file mode 100644 index 9409ba7832..0000000000 --- a/src/widgets/kernel/qwidgetbackingstore_p.h +++ /dev/null @@ -1,310 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtWidgets module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QWIDGETBACKINGSTORE_P_H -#define QWIDGETBACKINGSTORE_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include <QtWidgets/private/qtwidgetsglobal_p.h> -#include <QDebug> -#include <QtWidgets/qwidget.h> -#include <private/qwidget_p.h> -#include <QtGui/qbackingstore.h> - -QT_BEGIN_NAMESPACE - -class QPlatformTextureList; -class QPlatformTextureListWatcher; -class QWidgetBackingStore; - -struct BeginPaintInfo { - inline BeginPaintInfo() : wasFlushed(0), nothingToPaint(0), backingStoreRecreated(0) {} - uint wasFlushed : 1; - uint nothingToPaint : 1; - uint backingStoreRecreated : 1; -}; - -#ifndef QT_NO_OPENGL -class QPlatformTextureListWatcher : public QObject -{ - Q_OBJECT - -public: - QPlatformTextureListWatcher(QWidgetBackingStore *backingStore); - void watch(QPlatformTextureList *textureList); - bool isLocked() const; - -private slots: - void onLockStatusChanged(bool locked); - -private: - QHash<QPlatformTextureList *, bool> m_locked; - QWidgetBackingStore *m_backingStore; -}; -#endif - -class Q_AUTOTEST_EXPORT QWidgetBackingStore -{ -public: - enum UpdateTime { - UpdateNow, - UpdateLater - }; - - enum BufferState{ - BufferValid, - BufferInvalid - }; - - QWidgetBackingStore(QWidget *t); - ~QWidgetBackingStore(); - - static void showYellowThing(QWidget *widget, const QRegion &rgn, int msec, bool); - - void sync(QWidget *exposedWidget, const QRegion &exposedRegion); - void sync(); - void flush(QWidget *widget = nullptr); - - QBackingStore *backingStore() const { return store; } - - inline bool isDirty() const - { - return !(dirtyWidgets.isEmpty() && dirty.isEmpty() && dirtyRenderToTextureWidgets.isEmpty()); - } - - template <class T> - void markDirty(const T &r, QWidget *widget, UpdateTime updateTime = UpdateLater, - BufferState bufferState = BufferValid); - -private: - QWidget *tlw; - QRegion dirtyOnScreen; // needsFlush - QRegion dirty; // needsRepaint - QRegion dirtyFromPreviousSync; - QVector<QWidget *> dirtyWidgets; - QVector<QWidget *> dirtyRenderToTextureWidgets; - QVector<QWidget *> *dirtyOnScreenWidgets; - QList<QWidget *> staticWidgets; - QBackingStore *store; - uint updateRequestSent : 1; - - QPlatformTextureListWatcher *textureListWatcher; - QElapsedTimer perfTime; - int perfFrames; - - void sendUpdateRequest(QWidget *widget, UpdateTime updateTime); - - static bool flushPaint(QWidget *widget, const QRegion &rgn); - static void unflushPaint(QWidget *widget, const QRegion &rgn); - static void qt_flush(QWidget *widget, const QRegion ®ion, QBackingStore *backingStore, - QWidget *tlw, - QPlatformTextureList *widgetTextures, - QWidgetBackingStore *widgetBackingStore); - - void doSync(); - bool bltRect(const QRect &rect, int dx, int dy, QWidget *widget); - - void beginPaint(QRegion &toClean, QWidget *widget, QBackingStore *backingStore, - BeginPaintInfo *returnInfo, bool toCleanIsInTopLevelCoordinates = true); - void endPaint(const QRegion &cleaned, QBackingStore *backingStore, BeginPaintInfo *beginPaintInfo); - - QRegion dirtyRegion(QWidget *widget = nullptr) const; - QRegion staticContents(QWidget *widget = nullptr, const QRect &withinClipRect = QRect()) const; - - void markDirtyOnScreen(const QRegion &dirtyOnScreen, QWidget *widget, const QPoint &topLevelOffset); - - void removeDirtyWidget(QWidget *w); - - void updateLists(QWidget *widget); - - bool syncAllowed(); - - inline void addDirtyWidget(QWidget *widget, const QRegion &rgn) - { - if (widget && !widget->d_func()->inDirtyList && !widget->data->in_destructor) { - QWidgetPrivate *widgetPrivate = widget->d_func(); -#if QT_CONFIG(graphicseffect) - if (widgetPrivate->graphicsEffect) - widgetPrivate->dirty = widgetPrivate->effectiveRectFor(rgn.boundingRect()); - else -#endif // QT_CONFIG(graphicseffect) - widgetPrivate->dirty = rgn; - dirtyWidgets.append(widget); - widgetPrivate->inDirtyList = true; - } - } - - inline void addDirtyRenderToTextureWidget(QWidget *widget) - { - if (widget && !widget->d_func()->inDirtyList && !widget->data->in_destructor) { - QWidgetPrivate *widgetPrivate = widget->d_func(); - Q_ASSERT(widgetPrivate->renderToTexture); - dirtyRenderToTextureWidgets.append(widget); - widgetPrivate->inDirtyList = true; - } - } - - inline void dirtyWidgetsRemoveAll(QWidget *widget) - { - int i = 0; - while (i < dirtyWidgets.size()) { - if (dirtyWidgets.at(i) == widget) - dirtyWidgets.remove(i); - else - ++i; - } - } - - inline void addStaticWidget(QWidget *widget) - { - if (!widget) - return; - - Q_ASSERT(widget->testAttribute(Qt::WA_StaticContents)); - if (!staticWidgets.contains(widget)) - staticWidgets.append(widget); - } - - inline void removeStaticWidget(QWidget *widget) - { staticWidgets.removeAll(widget); } - - // Move the reparented widget and all its static children from this backing store - // to the new backing store if reparented into another top-level / backing store. - inline void moveStaticWidgets(QWidget *reparented) - { - Q_ASSERT(reparented); - QWidgetBackingStore *newBs = reparented->d_func()->maybeBackingStore(); - if (newBs == this) - return; - - int i = 0; - while (i < staticWidgets.size()) { - QWidget *w = staticWidgets.at(i); - if (reparented == w || reparented->isAncestorOf(w)) { - staticWidgets.removeAt(i); - if (newBs) - newBs->addStaticWidget(w); - } else { - ++i; - } - } - } - - inline QRect topLevelRect() const - { - return tlw->data->crect; - } - - inline void appendDirtyOnScreenWidget(QWidget *widget) - { - if (!widget) - return; - - if (!dirtyOnScreenWidgets) { - dirtyOnScreenWidgets = new QVector<QWidget *>; - dirtyOnScreenWidgets->append(widget); - } else if (!dirtyOnScreenWidgets->contains(widget)) { - dirtyOnScreenWidgets->append(widget); - } - } - - inline void dirtyOnScreenWidgetsRemoveAll(QWidget *widget) - { - if (!widget || !dirtyOnScreenWidgets) - return; - - int i = 0; - while (i < dirtyOnScreenWidgets->size()) { - if (dirtyOnScreenWidgets->at(i) == widget) - dirtyOnScreenWidgets->remove(i); - else - ++i; - } - } - - inline void resetWidget(QWidget *widget) - { - if (widget) { - widget->d_func()->inDirtyList = false; - widget->d_func()->isScrolled = false; - widget->d_func()->isMoved = false; - widget->d_func()->dirty = QRegion(); - } - } - - inline void updateStaticContentsSize() - { - for (int i = 0; i < staticWidgets.size(); ++i) { - QWidgetPrivate *wd = staticWidgets.at(i)->d_func(); - if (!wd->extra) - wd->createExtra(); - wd->extra->staticContentsSize = wd->data.crect.size(); - } - } - - inline bool hasStaticContents() const - { -#if defined(Q_OS_WIN) - return !staticWidgets.isEmpty(); -#else - return !staticWidgets.isEmpty() && false; -#endif - } - - friend QRegion qt_dirtyRegion(QWidget *); - friend class QWidgetPrivate; - friend class QWidget; - friend class QBackingStore; - - Q_DISABLE_COPY_MOVE(QWidgetBackingStore) -}; - -QT_END_NAMESPACE - -#endif // QBACKINGSTORE_P_H |