void KoColorPanel::keyPressEvent( QKeyEvent* e )
{
Position newPos( validPosition( m_focusPosition ) );
if ( e->key() == Qt::Key_Up ) {
if ( newPos.y == 0 )
e->ignore();
else
--newPos.y;
}
else if ( e->key() == Qt::Key_Down ) {
if ( newPos < Position( m_colorMap.count() % COLS, lines() - 2 ) )
++newPos.y;
else
e->ignore();
}
else if ( e->key() == Qt::Key_Left ) {
if ( newPos.x == 0 )
e->ignore();
else
--newPos.x;
}
else if ( e->key() == Qt::Key_Right ) {
if ( newPos.x < COLS - 1 && newPos < Position( m_colorMap.count() % COLS - 1, lines() - 1 ) )
++newPos.x;
else
e->ignore();
}
else if ( e->key() == Qt::Key_Return ) {
if ( isVisible() && parentWidget() && parentWidget()->inherits( "QPopupMenu" ) )
parentWidget()->close();
emit colorSelected( mapToColor( m_focusPosition ) );
}
updateFocusPosition( newPos );
}
void KoColorPanel::mouseMoveEvent( QMouseEvent* e )
{
if ( e->state() & Qt::LeftButton ) {
QPoint p = m_pressedPos - e->pos();
if ( p.manhattanLength() > QApplication::startDragDistance() ) {
QColor color( mapToColor( m_pressedPos ) );
if ( color.isValid() ) {
KColorDrag *drag = new KColorDrag( color, this, name() );
drag->dragCopy();
}
}
}
else
updateFocusPosition( mapToPosition( e->pos() ) );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool ScalarMapperRangeBased::updateTexture(TextureImage* image) const
{
CVF_ASSERT(image);
image->allocate(m_textureSize, 1);
// For now fill with white so we can see any errors more easily
image->fill(Color4ub(Color3::WHITE));
uint ic;
for (ic = 0; ic < m_textureSize; ic++)
{
const Color4ub clr(mapToColor(domainValue(((double)ic)/(m_textureSize-1))), 255);
image->setPixel(ic, 0, clr);
}
return true;
}
QColor KoColorPanel::mapToColor( const QPoint& point ) const
{
return mapToColor( mapToPosition( point ) );
}
void KoColorPanel::mouseReleaseEvent( QMouseEvent* )
{
if ( isVisible() && parentWidget() && parentWidget()->inherits( "QPopupMenu" ) )
parentWidget()->close();
emit colorSelected( mapToColor( m_pressedPos ) );
}
