#include <QGraphicsView>
#include <QCursor>
-QGraphicsItem* selected=NULL;
-int button=0;
-int resizeMode=-1;
-enum resizeMode {NoResize,TopLeft,BottomLeft,TopRight,BottomRight,Left,Right,Up,Down};
-GraphicsSceneRectMove::GraphicsSceneRectMove(QObject *parent):QGraphicsScene(parent){
- //grabMouse();
- zoom=1.0;
+QGraphicsItem* selected = NULL;
+int button = 0;
+int resizeMode = -1;
+enum resizeMode {NoResize, TopLeft, BottomLeft, TopRight, BottomRight, Left, Right, Up, Down};
+GraphicsSceneRectMove::GraphicsSceneRectMove(QObject *parent): QGraphicsScene(parent) {
+ //grabMouse();
+ zoom = 1.0;
}
-void GraphicsSceneRectMove::mouseMoveEvent(QGraphicsSceneMouseEvent* e){
-
- if (selected && selected->type()==3 && e->buttons() & Qt::LeftButton){
-
- QGraphicsRectItem *gi=(QGraphicsRectItem*)selected;
- QRectF newrect=gi->rect();
- QPointF newpoint=e->scenePos();
- newpoint-=selected->scenePos();
- switch (resizeMode){
- case TopLeft:
- newrect.setTopLeft(newpoint);
- break;
- case BottomLeft:
- newrect.setBottomLeft(newpoint);
- break;
- case TopRight:
- newrect.setTopRight(newpoint);
- break;
- case BottomRight:
- newrect.setBottomRight(newpoint);
- break;
- case Left:
- newrect.setLeft(newpoint.x());
- break;
- case Right:
- newrect.setRight(newpoint.x());
- break;
- case Up:
- newrect.setTop(newpoint.y());
- break;
- case Down:
- newrect.setBottom(newpoint.y());
- break;
- }
-
- gi->setRect(newrect);
- gi->setPos(selected->scenePos());
- }
-
- QPointF p=e->scenePos();
- p+=QPoint(-2,-2);
- resizeMode=NoResize;
- selected=NULL;
- foreach(QGraphicsItem* g, items( QRectF( p , QSizeF(4,4) ).toRect() ) ){
+void GraphicsSceneRectMove::mouseMoveEvent(QGraphicsSceneMouseEvent* e) {
+
+ if (selected && selected->type() == 3 && e->buttons() & Qt::LeftButton) {
+
+ QGraphicsRectItem *gi = (QGraphicsRectItem*)selected;
+ QRectF newrect = gi->rect();
+ QPointF newpoint = e->scenePos();
+ newpoint -= selected->scenePos();
+ switch (resizeMode) {
+ case TopLeft:
+ newrect.setTopLeft(newpoint);
+ break;
+ case BottomLeft:
+ newrect.setBottomLeft(newpoint);
+ break;
+ case TopRight:
+ newrect.setTopRight(newpoint);
+ break;
+ case BottomRight:
+ newrect.setBottomRight(newpoint);
+ break;
+ case Left:
+ newrect.setLeft(newpoint.x());
+ break;
+ case Right:
+ newrect.setRight(newpoint.x());
+ break;
+ case Up:
+ newrect.setTop(newpoint.y());
+ break;
+ case Down:
+ newrect.setBottom(newpoint.y());
+ break;
+ }
+
+ gi->setRect(newrect);
+ gi->setPos(selected->scenePos());
+ }
+
+ QPointF p = e->scenePos();
+ p += QPoint(-2, -2);
+ resizeMode = NoResize;
+ selected = NULL;
+ foreach(QGraphicsItem* g, items(QRectF(p , QSizeF(4, 4)).toRect())) {
+
+ if (g->type() == 3) {
+
+ QGraphicsRectItem *gi = (QGraphicsRectItem*)g;
+ QRectF r = gi->rect();
+ r.translate(gi->scenePos());
+
+ if ((r.toRect().topLeft() -= e->scenePos().toPoint()).manhattanLength() < 3) {
+ resizeMode = TopLeft;
+ } else if ((r.toRect().bottomLeft() -= e->scenePos().toPoint()).manhattanLength() < 3) {
+ resizeMode = BottomLeft;
+ } else if ((r.toRect().topRight() -= e->scenePos().toPoint()).manhattanLength() < 3) {
+ resizeMode = TopRight;
+ } else if ((r.toRect().bottomRight() -= e->scenePos().toPoint()).manhattanLength() < 3) {
+ resizeMode = BottomRight;
+ } else if (qAbs(r.toRect().left() - e->scenePos().toPoint().x()) < 3) {
+ resizeMode = Left;
+ } else if (qAbs(r.toRect().right() - e->scenePos().toPoint().x()) < 3) {
+ resizeMode = Right;
+ } else if (qAbs(r.toRect().top() - e->scenePos().toPoint().y()) < 3) {
+ resizeMode = Up;
+ } else if (qAbs(r.toRect().bottom() - e->scenePos().toPoint().y()) < 3) {
+ resizeMode = Down;
+ }
+ if (resizeMode != NoResize)
+ selected = gi;
+ }
+ break;
+ }
+ switch (resizeMode) {
+ case TopLeft:
+ case BottomRight:
+ setCursor(QCursor(Qt::SizeFDiagCursor));
+ break;
+ case BottomLeft:
+ case TopRight:
+ setCursor(QCursor(Qt::SizeBDiagCursor));
+ break;
+ case Left:
+ case Right:
+ setCursor(Qt::SizeHorCursor);
+ break;
+ case Up:
+ case Down:
+ setCursor(Qt::SizeVerCursor);
+ break;
+ default:
+ setCursor(QCursor(Qt::ArrowCursor));
+ QGraphicsScene::mouseMoveEvent(e);
+ }
- if (g->type()==3 ){
-
- QGraphicsRectItem *gi=(QGraphicsRectItem*)g;
- QRectF r=gi->rect();
- r.translate(gi->scenePos());
-
- if ( (r.toRect().topLeft()-=e->scenePos().toPoint() ).manhattanLength()<3 ){
- resizeMode=TopLeft;
- }else if ((r.toRect().bottomLeft()-=e->scenePos().toPoint() ).manhattanLength()<3 ){
- resizeMode=BottomLeft;
- }else if ((r.toRect().topRight()-=e->scenePos().toPoint() ).manhattanLength()<3 ){
- resizeMode=TopRight;
- }else if ((r.toRect().bottomRight()-=e->scenePos().toPoint() ).manhattanLength()<3 ){
- resizeMode=BottomRight;
- }else if ( qAbs(r.toRect().left()-e->scenePos().toPoint().x() ) <3){
- resizeMode=Left;
- }else if ( qAbs(r.toRect().right()-e->scenePos().toPoint().x() ) <3){
- resizeMode=Right;
- }else if ( qAbs(r.toRect().top()-e->scenePos().toPoint().y() ) <3){
- resizeMode=Up;
- }else if ( qAbs(r.toRect().bottom()-e->scenePos().toPoint().y() ) <3){
- resizeMode=Down;
- }
- if (resizeMode!=NoResize)
- selected=gi;
- }
- break;
- }
- switch (resizeMode){
- case TopLeft:
- case BottomRight:
- setCursor(QCursor(Qt::SizeFDiagCursor));
- break;
- case BottomLeft:
- case TopRight:
- setCursor(QCursor(Qt::SizeBDiagCursor));
- break;
- case Left:
- case Right:
- setCursor(Qt::SizeHorCursor);
- break;
- case Up:
- case Down:
- setCursor(Qt::SizeVerCursor);
- break;
- default:
- setCursor(QCursor(Qt::ArrowCursor));
- QGraphicsScene::mouseMoveEvent(e);
- }
-
}
-void GraphicsSceneRectMove::wheelEvent ( QGraphicsSceneWheelEvent * wheelEvent ){
- QList<QGraphicsView*> viewlist=views();
- kDebug() << wheelEvent->delta() << " " << zoom;
- if (viewlist.size()>0){
- if (wheelEvent->delta()<0 && zoom<20.0){
- zoom*=1.1;
-
- }else if (wheelEvent->delta()>0 && zoom>.05){
- zoom/=1.1;
- }
-
- viewlist[0]->resetTransform();
- viewlist[0]->scale(zoom,zoom);
- }
+void GraphicsSceneRectMove::wheelEvent(QGraphicsSceneWheelEvent * wheelEvent) {
+ QList<QGraphicsView*> viewlist = views();
+ kDebug() << wheelEvent->delta() << " " << zoom;
+ if (viewlist.size() > 0) {
+ if (wheelEvent->delta() < 0 && zoom < 20.0) {
+ zoom *= 1.1;
+
+ } else if (wheelEvent->delta() > 0 && zoom > .05) {
+ zoom /= 1.1;
+ }
+
+ viewlist[0]->resetTransform();
+ viewlist[0]->scale(zoom, zoom);
+ }
}
-void GraphicsSceneRectMove::setCursor(QCursor c){
- QList<QGraphicsView*> l=views();
- foreach(QGraphicsView* v, l){
- v->setCursor(c);
- }
+void GraphicsSceneRectMove::setCursor(QCursor c) {
+ QList<QGraphicsView*> l = views();
+ foreach(QGraphicsView* v, l) {
+ v->setCursor(c);
+ }
}
projects / kdenlive / blobdiff