mirror of
https://bitbucket.org/smil3y/katie.git
synced 2025-02-26 20:03:13 +00:00
237 lines
7.7 KiB
C++
237 lines
7.7 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2015 The Qt Company Ltd.
|
|
** Copyright (C) 2016-2019 Ivailo Monev
|
|
**
|
|
** This file is part of the QtGui module of the Katie Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
|
** GNU Lesser General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
** General Public License version 2.1 or version 3 as published by the Free
|
|
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
** following information to ensure the GNU Lesser General Public License
|
|
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** As a special exception, The Qt Company gives you certain additional
|
|
** rights. These rights are described in The Qt Company LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License version 3.0 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.GPL included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU General Public License version 3.0 requirements will be
|
|
** met: http://www.gnu.org/copyleft/gpl.html.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#ifndef QBACKINGSTORE_P_H
|
|
#define QBACKINGSTORE_P_H
|
|
|
|
//
|
|
// W A R N I N G
|
|
// -------------
|
|
//
|
|
// This file is not part of the Katie 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 <QDebug>
|
|
#include <QtGui/qwidget.h>
|
|
#include <qwidget_p.h>
|
|
#include <qwindowsurface_p.h>
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
|
|
class QWindowSurface;
|
|
|
|
struct BeginPaintInfo {
|
|
inline BeginPaintInfo() : wasFlushed(false), nothingToPaint(false), windowSurfaceRecreated(false) {}
|
|
bool wasFlushed;
|
|
bool nothingToPaint;
|
|
bool windowSurfaceRecreated;
|
|
};
|
|
|
|
class Q_AUTOTEST_EXPORT QWidgetBackingStore
|
|
{
|
|
public:
|
|
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 = 0, QWindowSurface *surface = 0);
|
|
|
|
inline QPoint topLevelOffset() const { return tlwOffset; }
|
|
|
|
QWindowSurface *surface() const { return windowSurface; }
|
|
|
|
inline bool isDirty() const
|
|
{
|
|
return !(dirtyWidgets.isEmpty() && dirty.isEmpty() && !fullUpdatePending);
|
|
}
|
|
|
|
// ### Qt 4.6: Merge into a template function (after MSVC isn't supported anymore).
|
|
void markDirty(const QRegion &rgn, QWidget *widget, bool updateImmediately = false,
|
|
bool invalidateBuffer = false);
|
|
void markDirty(const QRect &rect, QWidget *widget, bool updateImmediately = false,
|
|
bool invalidateBuffer = false);
|
|
|
|
private:
|
|
QWidget *tlw;
|
|
QRegion dirtyOnScreen; // needsFlush
|
|
QRegion dirty; // needsRepaint
|
|
QVector<QWidget *> dirtyWidgets;
|
|
QVector<QWidget *> dirtyOnScreenWidgets;
|
|
QList<QWidget *> staticWidgets;
|
|
QWindowSurface *windowSurface;
|
|
#ifdef Q_BACKINGSTORE_SUBSURFACES
|
|
QList<QWindowSurface*> subSurfaces;
|
|
#endif
|
|
bool fullUpdatePending;
|
|
|
|
QPoint tlwOffset;
|
|
|
|
static bool flushPaint(QWidget *widget, const QRegion &rgn);
|
|
static void unflushPaint(QWidget *widget, const QRegion &rgn);
|
|
|
|
bool bltRect(const QRect &rect, int dx, int dy, QWidget *widget);
|
|
void releaseBuffer();
|
|
|
|
void beginPaint(QRegion &toClean, QWidget *widget, QWindowSurface *windowSurface,
|
|
BeginPaintInfo *returnInfo, bool toCleanIsInTopLevelCoordinates = true);
|
|
void endPaint(const QRegion &cleaned, QWindowSurface *windowSurface, BeginPaintInfo *beginPaintInfo);
|
|
|
|
QRegion dirtyRegion(QWidget *widget = 0) const;
|
|
QRegion staticContents(QWidget *widget = 0, const QRect &withinClipRect = QRect()) const;
|
|
|
|
void markDirtyOnScreen(const QRegion &dirtyOnScreen, QWidget *widget, const QPoint &topLevelOffset);
|
|
|
|
void removeDirtyWidget(QWidget *w);
|
|
|
|
void updateLists(QWidget *widget);
|
|
|
|
inline void addDirtyWidget(QWidget *widget, const QRegion &rgn)
|
|
{
|
|
if (widget && !widget->d_func()->inDirtyList && !widget->data->in_destructor) {
|
|
QWidgetPrivate *widgetPrivate = widget->d_func();
|
|
#ifndef QT_NO_GRAPHICSEFFECT
|
|
if (widgetPrivate->graphicsEffect)
|
|
widgetPrivate->dirty = widgetPrivate->effectiveRectFor(rgn.boundingRect());
|
|
else
|
|
#endif //QT_NO_GRAPHICSEFFECT
|
|
widgetPrivate->dirty = rgn;
|
|
dirtyWidgets.append(widget);
|
|
widgetPrivate->inDirtyList = true;
|
|
}
|
|
}
|
|
|
|
inline void dirtyWidgetsRemoveAll(QWidget *widget)
|
|
{
|
|
for (int i = 0; i < dirtyWidgets.size(); ++i) {
|
|
if (dirtyWidgets.at(i) == widget)
|
|
dirtyWidgets.remove(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 void appendDirtyOnScreenWidget(QWidget *widget)
|
|
{
|
|
if (!widget)
|
|
return;
|
|
|
|
if (!dirtyOnScreenWidgets.contains(widget)) {
|
|
dirtyOnScreenWidgets.append(widget);
|
|
}
|
|
}
|
|
|
|
inline void dirtyOnScreenWidgetsRemoveAll(QWidget *widget)
|
|
{
|
|
if (!widget)
|
|
return;
|
|
|
|
for (int i = 0; i < dirtyOnScreenWidgets.size(); ++i) {
|
|
if (dirtyOnScreenWidgets.at(i) == widget) {
|
|
dirtyOnScreenWidgets.remove(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
|
|
{ return !staticWidgets.isEmpty() && windowSurface->hasFeature(QWindowSurface::StaticContents); }
|
|
|
|
friend QRegion qt_dirtyRegion(QWidget *);
|
|
friend class QWidgetPrivate;
|
|
friend class QWidget;
|
|
friend class QETWidget;
|
|
friend class QWindowSurface;
|
|
};
|
|
|
|
QT_END_NAMESPACE
|
|
|
|
#endif // QBACKINGSTORE_P_H
|