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Code Issues Releases Wiki Activity

Handle a scrolled qtreeview.

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Though don't really handle it, since we can't animate the way we are for when the view is scrolled. But now we
support it at least.
This commit is contained in:
Leo Franchi 2011-02-06 22:04:27 -05:00
parent 738d462545
commit 9ae4f3858c
2 changed files with 47 additions and 32 deletions
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2
src/libtomahawk/playlist/dynamic/DynamicModel.cpp
View File

@ -110,7 +110,7 @@ DynamicModel::trackResolveFinished( bool success )
Query* q = qobject_cast<Query*>(sender());
qDebug() << "Got not resolved track:" << q->track() << q->artist() << m_lastResolvedRow << m_currentAttempts;
m_currentAttempts++;
if( m_currentAttempts < 30 ) {
if( m_currentAttempts < 20 ) {
m_playlist->generator()->fetchNext();
} else {
emit trackGenerationFailure( tr( "Could not find a playable track.\n\nPlease change the filters or try again." ) );

77
src/libtomahawk/playlist/dynamic/DynamicView.cpp
View File

@ -19,10 +19,13 @@
#include "widgets/overlaywidget.h"
#include "playlistmodel.h"
#include "trackproxymodel.h"
#include "trackheader.h"
#include <QPainter>
#include <QPaintEvent>
#include <QtGui/qpaintengine.h>
#include <QScrollBar>
using namespace Tomahawk;
#define FADE_LENGTH 800
@ -100,6 +103,9 @@ DynamicView::onTrackCountChanged( unsigned int tracks )
}
else
overlay()->hide();
// make sure we can see all our tracks
scrollTo( proxyModel()->index( proxyModel()->rowCount() - 1, 0, QModelIndex() ), EnsureVisible );
}
void
@ -107,36 +113,45 @@ DynamicView::collapseEntries( int startRow, int num )
{
if( m_fadeOutAnim.state() == QTimeLine::Running )
qDebug() << "COLLAPSING TWICE!";
// we capture the image of the rows we're going to collapse
// then we capture the image of the target row we're going to animate downwards
// then we fade the first image out while sliding the second image up.
QModelIndex topLeft = proxyModel()->index( startRow, 0, QModelIndex() );
QModelIndex bottomRight = proxyModel()->index( startRow + num - 1, proxyModel()->columnCount( QModelIndex() ) - 1, QModelIndex() );
QItemSelection sel( topLeft, bottomRight );
QRect fadingRect = visualRegionForSelection( sel ).boundingRect();
m_fadingIndexes = QPixmap::grabWidget( viewport(), fadingRect );
m_fadingPointAnchor = fadingRect.topLeft();
qDebug() << "Grabbed fading indexes from rect:" << fadingRect << m_fadingIndexes.size();
topLeft = proxyModel()->index( startRow + num, 0, QModelIndex() );
bottomRight = proxyModel()->index( startRow + num, proxyModel()->columnCount( QModelIndex() ) - 1, QModelIndex() );
QRect slidingRect = visualRegionForSelection( QItemSelection( topLeft, bottomRight ) ).boundingRect();
m_slidingIndex = QPixmap::grabWidget( viewport(), slidingRect );
m_bottomAnchor = slidingRect.topLeft();
m_bottomOfAnim = slidingRect.bottomLeft();
qDebug() << "Grabbed sliding index from rect:" << slidingRect << m_slidingIndex.size();
// slide from the current position to the new one
int frameRange = fadingRect.topLeft().y() - slidingRect.topLeft().y();
m_slideAnim.setDuration( SLIDE_LENGTH + frameRange * LONG_MULT );
m_slideAnim.setFrameRange( slidingRect.topLeft().y(), fadingRect.topLeft().y() );
m_fadeOutAnim.start();
QTimer::singleShot( SLIDE_OFFSET, &m_slideAnim, SLOT( start() ) );
// TODO if we are scrolled, we can't animate this way.
// we have to animate the top coming down, which i haven't implemented yet..
if( verticalScrollBar()->sliderPosition() == 0 ) {
// we capture the image of the rows we're going to collapse
// then we capture the image of the target row we're going to animate downwards
// then we fade the first image out while sliding the second image up.
QModelIndex topLeft = proxyModel()->index( startRow, 0, QModelIndex() );
QModelIndex bottomRight = proxyModel()->index( startRow + num - 1, proxyModel()->columnCount( QModelIndex() ) - 1, QModelIndex() );
QItemSelection sel( topLeft, bottomRight );
QRect fadingRect = visualRegionForSelection( sel ).boundingRect();
QRect fadingRectViewport = fadingRect; // all values that we use in paintEvent() have to be in viewport coords
fadingRect.moveTo( viewport()->mapTo( this, fadingRect.topLeft() ) );
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() );
qDebug() << "Grabbed fading indexes from rect:" << fadingRect << m_fadingIndexes.size();
topLeft = proxyModel()->index( startRow + num, 0, QModelIndex() );
bottomRight = proxyModel()->index( startRow + num, proxyModel()->columnCount( QModelIndex() ) - 1, QModelIndex() );
QRect slidingRect = visualRegionForSelection( QItemSelection( topLeft, bottomRight ) ).boundingRect();
QRect slidingRectViewport = slidingRect;
// map internal view cord to external qscrollarea
slidingRect.moveTo( viewport()->mapTo( this, slidingRect.topLeft() ) );
m_slidingIndex = QPixmap::grabWidget( this, slidingRect );
m_bottomAnchor = QPoint( 0, slidingRectViewport.topLeft().y() );
m_bottomOfAnim = QPoint( 0, slidingRectViewport.bottomLeft().y() );
qDebug() << "Grabbed sliding index from rect:" << slidingRect << m_slidingIndex.size();
// slide from the current position to the new one
int frameRange = fadingRect.topLeft().y() - slidingRect.topLeft().y();
m_slideAnim.setDuration( SLIDE_LENGTH + frameRange * LONG_MULT );
m_slideAnim.setFrameRange( slidingRectViewport.topLeft().y(), fadingRectViewport.topLeft().y() );
m_fadeOutAnim.start();
QTimer::singleShot( SLIDE_OFFSET, &m_slideAnim, SLOT( start() ) );
}
// delete the actual indices
QModelIndexList todel;
for( int i = 0; i < num; i++ ) {
for( int k = 0; k < proxyModel()->columnCount( QModelIndex() ); k++ ) {
@ -172,7 +187,7 @@ DynamicView::paintEvent( QPaintEvent* event )
p.fillRect( bg, Qt::white );
p.drawPixmap( 0, m_slideAnim.currentFrame(), m_slidingIndex );
} else if( m_fadeOutAnim.state() == QTimeLine::Running ) {
p.drawPixmap( m_bottomAnchor, m_slidingIndex );
p.drawPixmap( 0, m_bottomAnchor.y(), m_slidingIndex );
}
}
}