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Animated entry of color schemes in the list.

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svn path=/trunk/KDE/kdebase/apps/konsole/; revision=677729
This commit is contained in:
Robert Knight
2007-06-19 19:48:58 +00:00
parent daa85d19b7
commit fe2be78491
2 changed files with 61 additions and 1 deletions
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43
src/EditProfileDialog.cpp
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@@ -31,6 +31,8 @@
#include <QtGui/QLinearGradient>
#include <QtGui/QRadialGradient>
#include <QtCore/QTimeLine>
// KDE
#include <kcodecaction.h>
#include <KFontDialog>
@@ -314,7 +316,15 @@ void EditProfileDialog::setupAppearancePage(const Profile* info)
// setup color list
updateColorSchemeList();
_ui->colorSchemeList->setItemDelegate(new ColorSchemeViewDelegate(this));
ColorSchemeViewDelegate* delegate = new ColorSchemeViewDelegate(this);
QTimeLine* timeLine = new QTimeLine( 1000 , this );
delegate->setEntryTimeLine(timeLine);
connect( timeLine , SIGNAL(valueChanged(qreal)) , this ,
SLOT(colorSchemeAnimationUpdate()) );
_ui->colorSchemeList->setItemDelegate(delegate);
_ui->colorSchemeList->setMouseTracking(true);
_ui->colorSchemeList->installEventFilter(this);
@@ -341,6 +351,16 @@ void EditProfileDialog::setupAppearancePage(const Profile* info)
SLOT(setFontSize(int)) );
connect( _ui->editFontButton , SIGNAL(clicked()) , this ,
SLOT(showFontDialog()) );
// start entry animation
timeLine->start();
}
void EditProfileDialog::colorSchemeAnimationUpdate()
{
QAbstractItemModel* model = _ui->colorSchemeList->model();
for ( int i = model->rowCount() ; i >= 0 ; i-- )
_ui->colorSchemeList->update( model->index(i,0) );
}
void EditProfileDialog::updateFontPreviewLabel(const QFont& font)
{
@@ -926,9 +946,30 @@ QWidget* ColorSchemeViewDelegate::createEditor(QWidget* parent, const QStyleOpti
}
#endif
void ColorSchemeViewDelegate::setEntryTimeLine(QTimeLine* timeLine)
{
_entryTimeLine = timeLine;
}
void ColorSchemeViewDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option,
const QModelIndex& index) const
{
// entry animation
//
// note that the translation occurs for each item drawn, but the
// painter is not reset between painting items. this means that when
// the items are painted in order ( as occurs when the list is first
// shown ), there is a visually pleasing staggering of items as they
// enter.
if ( _entryTimeLine != 0 )
{
qreal value = 1.0-_entryTimeLine->currentValue();
painter->translate( value *
option.rect.width() , 0 );
painter->setOpacity( _entryTimeLine->currentValue() );
}
const ColorScheme* scheme = index.data(Qt::UserRole + 1).value<const ColorScheme*>();
Q_ASSERT(scheme);