C++ KoSelection::count方法代码示例

void KarbonCalligraphyTool::updateSelectedPath()
{
    KoPathShape *oldSelectedPath = m_selectedPath; // save old value

    KoSelection *selection = canvas()->shapeManager()->selection();

    // null pointer if it the selection isn't a KoPathShape
    // or if the selection is empty
    m_selectedPath =
        dynamic_cast<KoPathShape *>(selection->firstSelectedShape());

    // or if it's a KoPathShape but with no or more than one subpaths
    if (m_selectedPath && m_selectedPath->subpathCount() != 1) {
        m_selectedPath = 0;
    }

    // or if there ora none or more than 1 shapes selected
    if (selection->count() != 1) {
        m_selectedPath = 0;
    }

    // emit signal it there wasn't a selected path and now there is
    // or the other way around
    if ((m_selectedPath != 0) != (oldSelectedPath != 0)) {
        emit pathSelectedChanged(m_selectedPath != 0);
    }
}

void StrokeDocker::applyChanges()
{
    KoCanvasController* canvasController = KoToolManager::instance()->activeCanvasController();
    KoSelection *selection = canvasController->canvas()->shapeManager()->selection();

    canvasController->canvas()->resourceProvider()->setActiveBorder( d->border );

    if( ! selection || ! selection->count() )
        return;

    KoLineBorder * newBorder = new KoLineBorder(d->border);
    KoLineBorder * oldBorder = dynamic_cast<KoLineBorder*>( selection->firstSelectedShape()->border() );
    if( oldBorder )
    {
        newBorder->setColor( oldBorder->color() );
        newBorder->setLineBrush( oldBorder->lineBrush() );
    }

    KoShapeBorderCommand *cmd = new KoShapeBorderCommand( selection->selectedShapes(), newBorder );
    canvasController->canvas()->addCommand( cmd );
}

void TestSelection::testSelectedShapes()
{
    KoSelection selection;
    MockShape *shape1 = new MockShape();
    MockShape *shape2 = new MockShape();
    MockShape *shape3 = new MockShape();

    QCOMPARE(selection.count(), 0);
    QCOMPARE(selection.selectedShapes().count(), 0);
    selection.select(shape1);
    QCOMPARE(selection.count(), 1);
    QCOMPARE(selection.selectedShapes(KoFlake::FullSelection).count(), 1);
    QCOMPARE(selection.selectedShapes(KoFlake::StrippedSelection).count(), 1);
    QCOMPARE(selection.selectedShapes(KoFlake::TopLevelSelection).count(), 1);

    selection.select(shape1); // same one.
    QCOMPARE(selection.count(), 1);
    QCOMPARE(selection.selectedShapes(KoFlake::FullSelection).count(), 1);
    QCOMPARE(selection.selectedShapes(KoFlake::StrippedSelection).count(), 1);
    QCOMPARE(selection.selectedShapes(KoFlake::TopLevelSelection).count(), 1);

    selection.select(shape2);
    selection.select(shape3);
    QCOMPARE(selection.count(), 3);
    QCOMPARE(selection.selectedShapes(KoFlake::FullSelection).count(), 3);
    QCOMPARE(selection.selectedShapes(KoFlake::StrippedSelection).count(), 3);
    QCOMPARE(selection.selectedShapes(KoFlake::TopLevelSelection).count(), 3);

    MockGroup *group1 = new MockGroup();
    group1->addShape(shape1);
    group1->addShape(shape2);
    selection.select(group1);
    QCOMPARE(selection.count(), 3);  // don't return the grouping shape.
    // Stripped returns no groups, so simply all 3 shapes
    QCOMPARE(selection.selectedShapes(KoFlake::FullSelection).count(), 3);
    // stripped returns no groups; so simply all shapes.
    QCOMPARE(selection.selectedShapes(KoFlake::StrippedSelection).count(), 3);
    // toplevel returns shape3 and group1
    QCOMPARE(selection.selectedShapes(KoFlake::TopLevelSelection).count(), 2);

    MockGroup *group2 = new MockGroup();
    group2->addShape(shape3);
    group2->addShape(group1);
    selection.select(group2);
    QCOMPARE(selection.count(), 3);  // thats 5 minus 2 grouping shapes.
    // Stripped returns no groups, so simply all 3 shapes
    QCOMPARE(selection.selectedShapes(KoFlake::FullSelection).count(), 3);
    // Stripped returns no groups, so simply all 3 shapes
    QCOMPARE(selection.selectedShapes(KoFlake::StrippedSelection).count(), 3);
    // toplevel returns only group2
    QCOMPARE(selection.selectedShapes(KoFlake::TopLevelSelection).count(), 1);


    group1->removeShape(shape1);
    group1->removeShape(shape2);
    MockContainer *container = new MockContainer();
    container->addShape(shape1);
    container->addShape(shape2);
    selection.select(container);
    QCOMPARE(selection.count(), 4);  // thats 6 minus 2 grouping shapes.
    // Stripped returns no groups, so simply all 3 shapes + container
    QCOMPARE(selection.selectedShapes(KoFlake::FullSelection).count(), 4);
    // Stripped returns no groups, and no children of a container. So; container + shape3
    QCOMPARE(selection.selectedShapes(KoFlake::StrippedSelection).count(), 2);
    // toplevel returns only group2 + container
    QCOMPARE(selection.selectedShapes(KoFlake::TopLevelSelection).count(), 2);

    delete group2;
    delete container;
}