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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qunifiedtoolbarsurface_mac_p.h"
#include <private/qt_cocoa_helpers_mac_p.h>
#include <private/qbackingstore_p.h>
#include <private/qmainwindowlayout_p.h>
#include <QDebug>
#ifdef QT_MAC_USE_COCOA
QT_BEGIN_NAMESPACE
QUnifiedToolbarSurface::QUnifiedToolbarSurface(QWidget *widget)
: QRasterWindowSurface(widget, false), d_ptr(new QUnifiedToolbarSurfacePrivate)
{
d_ptr->image = 0;
d_ptr->inSetGeometry = false;
setStaticContentsSupport(true);
setGeometry(QRect(QPoint(0, 0), QSize(widget->width(), 100))); // FIXME: Fix height.
}
QUnifiedToolbarSurface::~QUnifiedToolbarSurface()
{
if (d_ptr->image)
delete d_ptr->image;
}
QPaintDevice *QUnifiedToolbarSurface::paintDevice()
{
return &d_ptr->image->image;
}
void QUnifiedToolbarSurface::recursiveRedirect(QObject *object, const QPoint &offset)
{
if (object != 0) {
if (object->isWidgetType()) {
QWidget *widget = qobject_cast<QWidget *>(object);
// We redirect the painting only if the widget is in the same window
// and is not a window in itself.
if (!(widget->windowType() & Qt::Window)) {
widget->d_func()->unifiedSurface = this;
widget->d_func()->isInUnifiedToolbar = true;
widget->d_func()->toolbar_offset = offset;
}
}
for (int i = 0; i < object->children().size(); ++i) {
recursiveRedirect(object->children().at(i), offset);
}
}
}
void QUnifiedToolbarSurface::insertToolbar(QWidget *toolbar, const QPoint &offset)
{
setGeometry(QRect(QPoint(0, 0), QSize(offset.x() + toolbar->width(), 100))); // FIXME
recursiveRedirect(toolbar, offset);
}
void QUnifiedToolbarSurface::setGeometry(const QRect &rect)
{
QWindowSurface::setGeometry(rect);
Q_D(QUnifiedToolbarSurface);
d->inSetGeometry = true;
if (d->image == 0 || d->image->width() < rect.width() || d->image->height() < rect.height())
prepareBuffer(QImage::Format_ARGB32_Premultiplied, window());
d->inSetGeometry = false;
// FIXME: set unified toolbar height.
}
void QUnifiedToolbarSurface::beginPaint(const QRegion &rgn)
{
QPainter p(&d_ptr->image->image);
p.setCompositionMode(QPainter::CompositionMode_Source);
const QVector<QRect> rects = rgn.rects();
const QColor blank = Qt::transparent;
for (QVector<QRect>::const_iterator it = rects.begin(); it != rects.end(); ++it) {
p.fillRect(*it, blank);
}
}
void QUnifiedToolbarSurface::updateToolbarOffset(QWidget *widget)
{
QMainWindowLayout *mlayout = qobject_cast<QMainWindowLayout*> (widget->window()->layout());
mlayout->updateUnifiedToolbarOffset();
}
void QUnifiedToolbarSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &offset)
{
Q_D(QUnifiedToolbarSurface);
QRegion flushingRegion(widget->rect());
if (!d->image || rgn.rectCount() == 0) {
return;
}
Q_UNUSED(offset);
// Get a context for the widget.
CGContextRef context;
if (!(widget->d_func()->hasOwnContext)) {
widget->d_func()->ut_rg = rgn;
widget->d_func()->ut_pt = offset;
qt_mac_display(widget);
return;
} else {
// We render the content of the toolbar in the surface.
updateToolbarOffset(widget);
QRect beginPaintRect(widget->d_func()->toolbar_offset.x(), widget->d_func()->toolbar_offset.y(), widget->geometry().width(), widget->geometry().height());
QRegion beginPaintRegion(beginPaintRect);
context = widget->d_func()->cgContext;
beginPaint(beginPaintRegion);
widget->render(widget->d_func()->unifiedSurface->paintDevice(), widget->d_func()->toolbar_offset, QRegion(), QWidget::DrawChildren);
}
CGContextSaveGState(context);
int areaX = widget->d_func()->toolbar_offset.x();
int areaY = widget->d_func()->toolbar_offset.y();
int areaWidth = widget->geometry().width();
int areaHeight = widget->geometry().height();
const CGRect area = CGRectMake(areaX, areaY, areaWidth, areaHeight);
// Clip to region.
const QVector<QRect> &rects = flushingRegion.rects();
for (int i = 0; i < rects.size(); ++i) {
const QRect &rect = rects.at(i);
CGContextAddRect(context, CGRectMake(rect.x(), rect.y(), rect.width(), rect.height()));
}
CGContextAddRect(context, area);
CGContextClip(context);
CGImageRef image = CGBitmapContextCreateImage(d->image->cg);
CGImageRef subImage = CGImageCreateWithImageInRect(image, area);
const CGRect drawingArea = CGRectMake(0, 0, areaWidth, areaHeight);
qt_mac_drawCGImage(context, &drawingArea, subImage);
CGImageRelease(subImage);
CGImageRelease(image);
CGContextFlush(context);
// Restore context.
CGContextRestoreGState(context);
widget->d_func()->hasOwnContext = false;
}
void QUnifiedToolbarSurface::prepareBuffer(QImage::Format format, QWidget *widget)
{
Q_D(QUnifiedToolbarSurface);
int width = geometry().width();
int height = geometry().height();
if (d->image) {
width = qMax(d->image->width(), width);
height = qMax(d->image->height(), height);
}
if (width == 0 || height == 0) {
delete d->image;
d->image = 0;
return;
}
QNativeImage *oldImage = d->image;
d->image = new QNativeImage(width, height, format, false, widget);
if (oldImage && d->inSetGeometry && hasStaticContents()) {
// Make sure we use the const version of bits() (no detach).
const uchar *src = const_cast<const QImage &>(oldImage->image).bits();
uchar *dst = d->image->image.bits();
const int srcBytesPerLine = oldImage->image.bytesPerLine();
const int dstBytesPerLine = d->image->image.bytesPerLine();
const int bytesPerPixel = oldImage->image.depth() >> 3;
QRegion staticRegion(staticContents());
// Make sure we're inside the boundaries of the old image.
staticRegion &= QRect(0, 0, oldImage->image.width(), oldImage->image.height());
const QVector<QRect> &rects = staticRegion.rects();
const QRect *srcRect = rects.constData();
// Copy the static content of the old image into the new one.
int numRectsLeft = rects.size();
do {
const int bytesOffset = srcRect->x() * bytesPerPixel;
const int dy = srcRect->y();
// Adjust src and dst to point to the right offset.
const uchar *s = src + dy * srcBytesPerLine + bytesOffset;
uchar *d = dst + dy * dstBytesPerLine + bytesOffset;
const int numBytes = srcRect->width() * bytesPerPixel;
int numScanLinesLeft = srcRect->height();
do {
::memcpy(d, s, numBytes);
d += dstBytesPerLine;
s += srcBytesPerLine;
} while (--numScanLinesLeft);
++srcRect;
} while (--numRectsLeft);
}
delete oldImage;
}
QT_END_NAMESPACE
#endif // QT_MAC_USE_COCOA
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