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Code Issues Releases Wiki Activity

paint alternating row background behind animation

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This commit is contained in:
Leo Franchi
2011-02-15 23:44:56 -05:00
parent 89b1936b6e
commit a7f90d097d
2 changed files with 29 additions and 1 deletions
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29
src/libtomahawk/playlist/dynamic/DynamicView.cpp
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@@ -25,7 +25,9 @@
#include <QPaintEvent> #include <QPaintEvent>
#include <QtGui/qpaintengine.h> #include <QtGui/qpaintengine.h>
#include <QScrollBar> #include <QScrollBar>
#include "DynamicModel.h" #include "DynamicModel.h"
#include <QApplication>
using namespace Tomahawk; using namespace Tomahawk;
@@ -183,6 +185,30 @@ DynamicView::collapseEntries( int startRow, int num, int numToKeep )
m_fadingIndexes = QPixmap::grabWidget( this, fadingRect ); // but all values we use to grab the widgetr have to be in scrollarea coords :( m_fadingIndexes = QPixmap::grabWidget( this, fadingRect ); // but all values we use to grab the widgetr have to be in scrollarea coords :(
m_fadingPointAnchor = QPoint( 0, fadingRectViewport.topLeft().y() ); m_fadingPointAnchor = QPoint( 0, fadingRectViewport.topLeft().y() );
// get the background
m_bg = QPixmap( m_fadingIndexes.size() );
m_bg.fill( Qt::white );
QPainter p( &m_bg );
QStyleOptionViewItemV4 opt = viewOptions();
// code taken from QTreeViewPrivate::paintAlternatingRowColors
if( alternatingRowColors() ) {
qDebug() << "PAINTING ALTERNATING ROW BG!: " << fadingRectViewport;
int rowHeight = itemDelegate()->sizeHint( opt, QModelIndex() ).height();
int y = m_fadingIndexes.rect().topLeft().y();
int current = startRow;
while( y <= m_fadingIndexes.rect().bottomLeft().y() ) {
opt.rect.setRect(0, y, viewport()->width(), rowHeight);
qDebug() << "Painting a row from " << y << "to" << y + rowHeight << ":" << opt.rect;
if( current & 1 ) {
opt.features |= QStyleOptionViewItemV2::Alternate;
} else {
opt.features &= ~QStyleOptionViewItemV2::Alternate;
}
++current;
style()->drawPrimitive( QStyle::PE_PanelItemViewRow, &opt, &p );
y += rowHeight;
}
}
m_fadeOutAnim.start(); m_fadeOutAnim.start();
qDebug() << "Grabbed fading indexes from rect:" << fadingRect << m_fadingIndexes.size(); qDebug() << "Grabbed fading indexes from rect:" << fadingRect << m_fadingIndexes.size();
@@ -240,7 +266,8 @@ DynamicView::paintEvent( QPaintEvent* event )
p.save(); p.save();
QRect bg = m_fadingIndexes.rect(); QRect bg = m_fadingIndexes.rect();
bg.moveTo( m_fadingPointAnchor ); // cover up the background bg.moveTo( m_fadingPointAnchor ); // cover up the background
p.fillRect( bg, Qt::white ); p.drawPixmap( bg, m_bg );
// qDebug() << "FAST SETOPACITY:" << p.paintEngine()->hasFeature(QPaintEngine::ConstantOpacity); // qDebug() << "FAST SETOPACITY:" << p.paintEngine()->hasFeature(QPaintEngine::ConstantOpacity);
p.setOpacity( 1 - m_fadeOutAnim.currentValue() ); p.setOpacity( 1 - m_fadeOutAnim.currentValue() );

1
src/libtomahawk/playlist/dynamic/DynamicView.h
View File

@@ -75,6 +75,7 @@ private:
QPoint m_bottomOfAnim; QPoint m_bottomOfAnim;
QPixmap m_fadingIndexes; QPixmap m_fadingIndexes;
QPixmap m_slidingIndex; QPixmap m_slidingIndex;
QPixmap m_bg;
QTimeLine m_fadeOutAnim; QTimeLine m_fadeOutAnim;
QTimeLine m_slideAnim; QTimeLine m_slideAnim;
}; };