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kwin: paint ThumbnailItem at the right position

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Philipp Knechtges 2012-03-25 20:06:26 +02:00
parent 524275f7cf
commit 94b93c5fbc
1 changed files with 22 additions and 3 deletions
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25
scene.cpp
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@ -73,6 +73,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <X11/extensions/shape.h>
#include <QGraphicsScene>
#include <QGraphicsView>
#include "client.h"
#include "deleted.h"
#include "effects.h"
@ -362,9 +365,25 @@ void Scene::paintWindow(Window* w, int mask, QRegion region, WindowQuadList quad
size.scale(QSizeF(item->width(), item->height()), Qt::KeepAspectRatio);
thumbData.xScale = size.width() / static_cast<qreal>(thumb->width());
thumbData.yScale = size.height() / static_cast<qreal>(thumb->height());
QGraphicsItem *topLevelItem = item->topLevelItem();
// TODO: positioning seems not to be 100 % perfect yet
const QPointF point = static_cast<QGraphicsItem*>(item)->mapToItem(topLevelItem, item->pos());
// it can happen in the init/closing phase of the tabbox
// that the corresponding QGraphicsScene is not available
if (item->scene() == 0) {
continue;
}
// in principle there could be more than one QGraphicsView per QGraphicsScene,
// although TabBox does not make use of it so far
QList<QGraphicsView*> views = item->scene()->views();
QGraphicsView* declview = 0;
foreach (QGraphicsView* view, views) {
if (view->winId() == w->window()->window()) {
declview = view;
break;
}
}
if (declview == 0) {
continue;
}
const QPoint point = declview->mapFromScene(item->scenePos());
const qreal x = point.x() + w->x() + (item->width() - size.width())/2;
const qreal y = point.y() + w->y() + (item->height() - size.height()) / 2;
thumbData.xTranslate = x - thumb->x();