// ****************************************************************************
// Method: QvisColorGridWidget::emitSelection
//
// Purpose:
// Emit any signals associated with making a selection.
//
// Programmer: Jeremy Meredith
// Creation: August 11, 2006
//
// ****************************************************************************
void
QvisColorGridWidget::emitSelection()
{
emit selectedColor(paletteColors[currentSelectedItem]);
emit selectedColor(paletteColors[currentSelectedItem],
currentSelectedItem);
int row, column;
getRowColumnFromIndex(currentSelectedItem, row, column);
emit selectedColor(paletteColors[currentSelectedItem], row, column);
}
void QvisColorGridWidget::mousePressEvent(QMouseEvent* e)
{
if (e->button() == Qt::RightButton)
{
int index = getColorIndex(e->x(), e->y());
// If a valid color index was returned, select the color.
if (index != -1)
{
// Set the selected color.
setSelectedColorIndex(index);
// Emit a signal that allows us to activate a menu.
int row, column;
QPoint center(e->x(), e->y());
getRowColumnFromIndex(currentSelectedColor, row, column);
emit activateMenu(selectedColor(), row, column, mapToGlobal(center));
}
}
}
void QvisColorGridWidget::setSelectedColorIndex(int index)
{
if (index >= -1 && index < numPaletteColors)
{
QRegion region;
// If we currently have a selected color, unhighlight it.
if (currentSelectedColor != -1)
region = drawUnHighlightedColor(0, currentSelectedColor);
// Set the new value.
currentSelectedColor = index;
// If the selected color that we set is a real color, highlight
// the new selected color.
if (currentSelectedColor != -1)
{
region = region + drawSelectedColor(0, currentSelectedColor);
}
// Update the widget.
if (isVisible())
repaint(region);
else if (drawPixmap)
{
delete drawPixmap;
drawPixmap = 0;
}
// emit the selectedColor signal.
if (currentSelectedColor != -1)
{
emit selectedColor(paletteColors[currentSelectedColor]);
emit selectedColor(paletteColors[currentSelectedColor], currentSelectedColor);
int row, column;
getRowColumnFromIndex(currentSelectedColor, row, column);
emit selectedColor(paletteColors[currentSelectedColor], row, column);
}
}
}