PaletteEditor::PaletteEditor ( QWidget* parent )
: QWidget(parent), checkers(15)
{
setupUi ( this );
loadPalette(0);
m_palettesView->setModel(&m_flamPalettes);
m_browseView->setModel(&m_browsePalettes);
hasUGR = false;
QSettings settings;
settings.beginGroup("paletteeditor");
m_tabWidget->setCurrentIndex(settings.value("tabwidgetindex", 0).toInt());
m_lastBrowseDir = settings.value("lastdirectory", QDir::homePath()).toString();
m_gradientEnds->setArrowDirection(Qt::DownArrow);
m_gradientEnds->setMenuEnabled(false);
m_gradientSpreadGroup = new QButtonGroup(this);
m_gradientSpreadGroup->addButton(m_padSpreadButton, QGradient::PadSpread);
m_gradientSpreadGroup->addButton(m_repeatSpreadButton, QGradient::RepeatSpread);
m_gradientSpreadGroup->addButton(m_reflectSpreadButton, QGradient::ReflectSpread);
m_padSpreadButton->setChecked(true);
// restore the gradient from settings
int nstops( settings.beginReadArray("gradient") );
if (nstops > 1)
{
GradientStops stops;
for (int n = 0 ; n < nstops ; n++)
{
settings.setArrayIndex(n);
double pos( settings.value("pos").toDouble() );
QColor color( settings.value("color").value<QColor>()) ;
stops.append(GradientStop( pos, color ));
}
settings.endArray();
p_stops = stops;
m_gradientStops->setStops(stops);
}
stopsChangedAction();
connect(m_palettesView, SIGNAL(pressed(const QModelIndex&)), this, SLOT(paletteIndexChangedAction(const QModelIndex&)));
connect(m_browseView, SIGNAL(pressed(const QModelIndex&)), this, SLOT(selectGradientAction(const QModelIndex&)));
connect(m_rotateSlider, SIGNAL(valueChanged(int)), this, SLOT(paletteRotatedAction(int)));
connect(m_rotateSlider, SIGNAL(sliderReleased()), this, SIGNAL(undoStateSignal()));
connect(m_openButton, SIGNAL(clicked(bool)), this, SLOT(openGradientAction(bool)));
connect(m_gradientStops, SIGNAL(stopsChanged()), this, SLOT(stopsChangedAction()));
connect(m_gradientStops, SIGNAL(stopsDropped()), this, SIGNAL(undoStateSignal()));
connect(m_gradientEnds, SIGNAL(stopsChanged()), this, SLOT(stopsChangedAction()));
connect(m_gradientEnds, SIGNAL(stopsDropped()), this, SIGNAL(undoStateSignal()));
connect(m_gradientSpreadGroup, SIGNAL(buttonClicked(int)), this, SLOT(stopsChangedAction()));
connect(m_gradientSpreadGroup, SIGNAL(buttonClicked(int)), this, SIGNAL(undoStateSignal()));
connect(m_resetGradientButton, SIGNAL(clicked(bool)), this, SLOT(resetGradientAction()));
connect(m_resetGradientButton, SIGNAL(clicked(bool)), this, SIGNAL(undoStateSignal()));
connect(m_saveGradientButton, SIGNAL(clicked(bool)), this, SLOT(saveGradientAction()));
connect(m_browseLineEdit, SIGNAL(returnPressed()), this, SLOT(browsePathChangedAction()));
connect(m_randomGradientButton, SIGNAL(clicked(bool)), this, SLOT(createRandomGradientAction()));
connect(m_randomGradientButton, SIGNAL(clicked(bool)), this, SIGNAL(undoStateSignal()));
}
void GradientStopsEditor::compositeStopDeleted( int stop )
{
if( !handleSignals ) return;
handleSignals = false;
r.deleteStop( stop );
g.deleteStop( stop );
b.deleteStop( stop );
const QGradientStops &s = stops();
c.setCompositeGradientStops( s );
handleSignals = true;
emit stopsChanged( s );
}
void GradientStopsEditor::compositeStopMoved( int stop, int value, qreal position, int newIndex )
{
if( !handleSignals ) return;
handleSignals = false;
r.moveStop( stop, r.stopValue( stop ), position );
g.moveStop( stop, g.stopValue( stop ), position );
b.moveStop( stop, b.stopValue( stop ), position );
const QGradientStops &s = stops();
c.setCompositeGradientStops( s );
handleSignals = true;
emit stopsChanged( s );
}
void GradientStopsEditor::compositeStopAdded( int value, qreal position, int index )
{
if( !handleSignals ) return;
handleSignals = false;
r.addStop( value, position );
g.addStop( value, position );
b.addStop( value, position );
const QGradientStops &s = stops();
c.setCompositeGradientStops( s );
handleSignals = true;
emit stopsChanged( s );
}
bool GradientStopsEditor::setStops( const QGradientStops &s )
{
int countStops = s.size();
if( countStops < 2 ) return false;
bool oldValueOfHandleSignals = handleSignals;
handleSignals = false;
r.setStops( s );
g.setStops( s );
b.setStops( s );
c.setStops( s );
c.setCompositeGradientStops( s );
handleSignals = oldValueOfHandleSignals;
emit stopsChanged( s );
return true;
}
