-#include "graphicsscenerectmove.h"
+
#include <KDebug>
#include <QGraphicsSceneMouseEvent>
#include <QGraphicsRectItem>
+#include <QGraphicsSvgItem>
#include <QGraphicsView>
#include <QCursor>
+#include <QTextCursor>
+#include <QList>
+#include <QKeyEvent>
+#include <QApplication>
+#include <QTextBlock>
+
+#include "graphicsscenerectmove.h"
+
+GraphicsSceneRectMove::GraphicsSceneRectMove(QObject *parent): QGraphicsScene(parent), m_selectedItem(NULL), resizeMode(NoResize), m_tool(TITLE_RECTANGLE) {
+ //grabMouse();
+ zoom = 1.0;
+ setBackgroundBrush(QBrush(Qt::transparent));
+}
+
+void GraphicsSceneRectMove::setSelectedItem(QGraphicsItem *item) {
+ clearSelection();
+ m_selectedItem = item;
+ item->setSelected(true);
+ update();
+}
+
+TITLETOOL GraphicsSceneRectMove::tool() {
+ return m_tool;
+}
+
+void GraphicsSceneRectMove::setTool(TITLETOOL tool) {
+ m_tool = tool;
+ switch (m_tool) {
+ case TITLE_RECTANGLE:
+ setCursor(Qt::CrossCursor);
+ break;
+ case TITLE_TEXT:
+ setCursor(Qt::IBeamCursor);
+ break;
+ default:
+ setCursor(Qt::ArrowCursor);
+ }
+}
+
+//virtual
+void GraphicsSceneRectMove::keyPressEvent(QKeyEvent * keyEvent) {
+ if (m_selectedItem == NULL) {
+ QGraphicsScene::keyPressEvent(keyEvent);
+ return;
+ }
+ int diff = 1;
+ if (m_selectedItem->type() == 8) {
+ QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
+ if (t->textInteractionFlags() & Qt::TextEditorInteraction) {
+ QGraphicsScene::keyPressEvent(keyEvent);
+ return;
+ }
+ }
+ if (keyEvent->modifiers() & Qt::ControlModifier) diff = 10;
+ switch (keyEvent->key()) {
+ case Qt::Key_Left:
+ m_selectedItem->setPos(m_selectedItem->pos() - QPointF(diff, 0));
+ emit itemMoved();
+ break;
+ case Qt::Key_Right:
+ m_selectedItem->setPos(m_selectedItem->pos() + QPointF(diff, 0));
+ emit itemMoved();
+ break;
+ case Qt::Key_Up:
+ m_selectedItem->setPos(m_selectedItem->pos() - QPointF(0, diff));
+ emit itemMoved();
+ break;
+ case Qt::Key_Down:
+ m_selectedItem->setPos(m_selectedItem->pos() + QPointF(0, diff));
+ emit itemMoved();
+ break;
+ case Qt::Key_Delete:
+ case Qt::Key_Backspace:
+ delete m_selectedItem;
+ m_selectedItem = NULL;
+ emit selectionChanged();
+ break;
+ default:
+ QGraphicsScene::keyPressEvent(keyEvent);
+ }
+ emit actionFinished();
+}
+
+//virtual
+void GraphicsSceneRectMove::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* e) {
+ QPointF p = e->scenePos();
+ p += QPoint(-2, -2);
+ resizeMode = NoResize;
+ m_selectedItem = NULL;
+ QGraphicsItem* g = items(QRectF(p , QSizeF(4, 4)).toRect()).at(0);
+ if (g) {
+ if (g->type() == 8) {
+ QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(g);
+ m_selectedItem = g;
+ t->setTextInteractionFlags(Qt::TextEditorInteraction);
+ }
+ }
+ QGraphicsScene::mouseDoubleClickEvent(e);
+}
+
+void GraphicsSceneRectMove::mouseReleaseEvent(QGraphicsSceneMouseEvent *e) {
+ if (m_tool == TITLE_RECTANGLE && m_selectedItem) setSelectedItem(m_selectedItem);
+ QGraphicsScene::mouseReleaseEvent(e);
+ emit actionFinished();
+}
+
+void GraphicsSceneRectMove::mousePressEvent(QGraphicsSceneMouseEvent* e) {
+ m_clickPoint = e->screenPos();
+ QPointF p = e->scenePos();
+ p += QPoint(-2, -2);
+ resizeMode = NoResize;
+ const QList <QGraphicsItem *> list = items(QRectF(p , QSizeF(4, 4)).toRect());
+ QGraphicsItem *item = NULL;
+ bool hasSelected = false;
+
+ if (m_tool == TITLE_SELECT) {
+ foreach(QGraphicsItem *g, list) {
+ kDebug() << " - - CHECKING ITEM Z:" << g->zValue() << ", TYPE: " << g->type();
+ // check is there is a selected item in list
+ if (g->zValue() > -1000 && g->isSelected()) {
+ hasSelected = true;
+ item = g;
+ break;
+ }
+ }
+ if (item == NULL) {
+ if (m_selectedItem && m_selectedItem->type() == 8) {
+ // disable text editing
+ QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
+ t->textCursor().setPosition(0);
+ QTextBlock cur = t->textCursor().block();
+ t->setTextCursor(QTextCursor(cur));
+ t->setTextInteractionFlags(Qt::NoTextInteraction);
+ }
+ m_selectedItem = NULL;
+ foreach(QGraphicsItem* g, list) {
+ if (g->zValue() > -1000) {
+ item = g;
+ break;
+ }
+ }
+ }
+ if (item != NULL) {
+ m_sceneClickPoint = e->scenePos();
+ m_selectedItem = item;
+ kDebug() << "///////// ITEM TYPE: " << item->type();
+ if (item->type() == 8) {
+ QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(item);
+ if (t->textInteractionFlags() == Qt::TextEditorInteraction) {
+ QGraphicsScene::mousePressEvent(e);
+ return;
+ }
+ t->setTextInteractionFlags(Qt::NoTextInteraction);
+ setCursor(Qt::ClosedHandCursor);
+ } else if (item->type() == 3 || item->type() == 13 || item->type() == 7) {
+ QRectF r;
+ if (m_selectedItem->type() == 3) {
+ r = ((QGraphicsRectItem*)m_selectedItem)->rect();
+ } else r = m_selectedItem->boundingRect();
+
+ r.translate(item->scenePos());
+ if ((r.toRect().topLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
+ resizeMode = TopLeft;
+ } else if ((r.toRect().bottomLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
+ resizeMode = BottomLeft;
+ } else if ((r.toRect().topRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
+ resizeMode = TopRight;
+ } else if ((r.toRect().bottomRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
+ resizeMode = BottomRight;
+ } else if (qAbs(r.toRect().left() - e->scenePos().toPoint().x()) < 3 / zoom) {
+ resizeMode = Left;
+ } else if (qAbs(r.toRect().right() - e->scenePos().toPoint().x()) < 3 / zoom) {
+ resizeMode = Right;
+ } else if (qAbs(r.toRect().top() - e->scenePos().toPoint().y()) < 3 / zoom) {
+ resizeMode = Up;
+ } else if (qAbs(r.toRect().bottom() - e->scenePos().toPoint().y()) < 3 / zoom) {
+ resizeMode = Down;
+ } else setCursor(Qt::ClosedHandCursor);
+ }
+ }
+ QGraphicsScene::mousePressEvent(e);
+ } else if (m_tool == TITLE_RECTANGLE) {
+ m_sceneClickPoint = e->scenePos();
+ m_selectedItem = NULL;
+ } else if (m_tool == TITLE_TEXT) {
+ m_selectedItem = addText(QString());
+ emit newText((QGraphicsTextItem *) m_selectedItem);
+ m_selectedItem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
+ ((QGraphicsTextItem *)m_selectedItem)->setTextInteractionFlags(Qt::TextEditorInteraction);
+ m_selectedItem->setPos(e->scenePos());
+ QGraphicsScene::mousePressEvent(e);
+ }
+
+ kDebug() << "////// MOUSE CLICK, RESIZE MODE: " << resizeMode;
-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() ) ){
-
- 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::clearTextSelection() {
+ if (m_selectedItem && m_selectedItem->type() == 8) {
+ // disable text editing
+ QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
+ t->textCursor().setPosition(0);
+ QTextBlock cur = t->textCursor().block();
+ t->setTextCursor(QTextCursor(cur));
+ t->setTextInteractionFlags(Qt::NoTextInteraction);
+ }
+ m_selectedItem = NULL;
+ clearSelection();
}
-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);
- }
+//virtual
+void GraphicsSceneRectMove::mouseMoveEvent(QGraphicsSceneMouseEvent* e) {
+ if ((e->screenPos() - m_clickPoint).manhattanLength() < QApplication::startDragDistance()) {
+ e->accept();
+ return;
+ }
+ if (m_selectedItem && e->buttons() & Qt::LeftButton) {
+ if (m_selectedItem->type() == 3 || m_selectedItem->type() == 13 || m_selectedItem->type() == 7) {
+ QRectF newrect;
+ if (m_selectedItem->type() == 3) {
+ newrect = ((QGraphicsRectItem*)m_selectedItem)->rect();
+ } else newrect = m_selectedItem->boundingRect();
+
+ QPointF newpoint = e->scenePos();
+ //newpoint -= m_selectedItem->scenePos();
+ switch (resizeMode) {
+ case TopLeft:
+ newrect.setBottomRight(newrect.bottomRight() + m_selectedItem->pos() - newpoint);
+ m_selectedItem->setPos(newpoint);
+ break;
+ case BottomLeft:
+ newrect.setBottomRight(QPointF(newrect.bottomRight().x() + m_selectedItem->pos().x() - newpoint.x(), newpoint.y() - m_selectedItem->pos().y()));
+ m_selectedItem->setPos(QPointF(newpoint.x(), m_selectedItem->pos().y()));
+ break;
+ case TopRight:
+ newrect.setBottomRight(QPointF(newpoint.x() - m_selectedItem->pos().x(), newrect.bottom() + m_selectedItem->pos().y() - newpoint.y()));
+ m_selectedItem->setPos(QPointF(m_selectedItem->pos().x(), newpoint.y()));
+ break;
+ case BottomRight:
+ newrect.setBottomRight(newpoint - m_selectedItem->pos());
+ break;
+ case Left:
+ newrect.setRight(m_selectedItem->pos().x() + newrect.width() - newpoint.x());
+ m_selectedItem->setPos(QPointF(newpoint.x(), m_selectedItem->pos().y()));
+ break;
+ case Right:
+ newrect.setRight(newpoint.x() - m_selectedItem->pos().x());
+ break;
+ case Up:
+ newrect.setBottom(m_selectedItem->pos().y() + newrect.bottom() - newpoint.y());
+ m_selectedItem->setPos(QPointF(m_selectedItem->pos().x(), newpoint.y()));
+ break;
+ case Down:
+ newrect.setBottom(newpoint.y() - m_selectedItem->pos().y());
+ break;
+ default:
+ QPointF diff = e->scenePos() - m_sceneClickPoint;
+ m_sceneClickPoint = e->scenePos();
+ m_selectedItem->moveBy(diff.x(), diff.y());
+ break;
+ }
+ if (m_selectedItem->type() == 3 && resizeMode != NoResize) {
+ QGraphicsRectItem *gi = (QGraphicsRectItem*)m_selectedItem;
+ gi->setRect(newrect);
+ }
+ /*else {
+ qreal s;
+ if (resizeMode == Left || resizeMode == Right ) s = m_selectedItem->boundingRect().width() / newrect.width();
+ else s = m_selectedItem->boundingRect().height() / newrect.height();
+ m_selectedItem->scale( 1 / s, 1 / s );
+ kDebug()<<"/// SCALING SVG, RESIZE MODE: "<<resizeMode<<", RECT:"<<m_selectedItem->boundingRect();
+ }*/
+ //gi->setPos(m_selectedItem->scenePos());
+ /*if (resizeMode == NoResize) {
+ QGraphicsScene::mouseMoveEvent(e);
+ return;
+ }*/
+ } else if (m_selectedItem->type() == 8) {
+ QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
+ if (t->textInteractionFlags() & Qt::TextEditorInteraction) {
+ QGraphicsScene::mouseMoveEvent(e);
+ return;
+ }
+ QPointF diff = e->scenePos() - m_sceneClickPoint;
+ m_sceneClickPoint = e->scenePos();
+ m_selectedItem->moveBy(diff.x(), diff.y());
+ }
+ emit itemMoved();
+ } else if (m_tool == TITLE_SELECT) {
+ QPointF p = e->scenePos();
+ p += QPoint(-2, -2);
+ resizeMode = NoResize;
+ bool itemFound = false;
+ foreach(const QGraphicsItem* g, items(QRectF(p , QSizeF(4, 4)).toRect())) {
+ if ((g->type() == 13 || g->type() == 7) && g->zValue() > -1000) {
+ // image or svg item
+ setCursor(Qt::OpenHandCursor);
+ break;
+ } else if (g->type() == 3 && g->zValue() > -1000) {
+ QRectF r = ((QGraphicsRectItem*)g)->rect();
+ r.translate(g->scenePos());
+ itemFound = true;
+ if ((r.toRect().topLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
+ setCursor(QCursor(Qt::SizeFDiagCursor));
+ } else if ((r.toRect().bottomLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
+ setCursor(QCursor(Qt::SizeBDiagCursor));
+ } else if ((r.toRect().topRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
+ setCursor(QCursor(Qt::SizeBDiagCursor));
+ } else if ((r.toRect().bottomRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
+ setCursor(QCursor(Qt::SizeFDiagCursor));
+ } else if (qAbs(r.toRect().left() - e->scenePos().toPoint().x()) < 3 / zoom) {
+ setCursor(Qt::SizeHorCursor);
+ } else if (qAbs(r.toRect().right() - e->scenePos().toPoint().x()) < 3 / zoom) {
+ setCursor(Qt::SizeHorCursor);
+ } else if (qAbs(r.toRect().top() - e->scenePos().toPoint().y()) < 3 / zoom) {
+ setCursor(Qt::SizeVerCursor);
+ } else if (qAbs(r.toRect().bottom() - e->scenePos().toPoint().y()) < 3 / zoom) {
+ setCursor(Qt::SizeVerCursor);
+ } else setCursor(Qt::OpenHandCursor);
+ break;
+ }
+ if (!itemFound) setCursor(Qt::ArrowCursor);
+ }
+ QGraphicsScene::mouseMoveEvent(e);
+ } else if (m_tool == TITLE_RECTANGLE && e->buttons() & Qt::LeftButton) {
+ if (m_selectedItem == NULL && (m_clickPoint - e->screenPos()).manhattanLength() >= QApplication::startDragDistance()) {
+ // create new rect item
+ m_selectedItem = addRect(0, 0, e->scenePos().x() - m_sceneClickPoint.x(), e->scenePos().y() - m_sceneClickPoint.y());
+ emit newRect((QGraphicsRectItem *) m_selectedItem);
+ m_selectedItem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
+ m_selectedItem->setPos(m_sceneClickPoint);
+ resizeMode = BottomRight;
+ QGraphicsScene::mouseMoveEvent(e);
+ }
+ }
+}
+
+void GraphicsSceneRectMove::wheelEvent(QGraphicsSceneWheelEvent * wheelEvent) {
+ QList<QGraphicsView*> viewlist = views();
+ //kDebug() << wheelEvent->delta() << " " << zoom;
+ double scale = 1.0;
+ if (viewlist.size() > 0) {
+ if (wheelEvent->delta() < 0) emit sceneZoom(true);
+ else emit sceneZoom(false);
+ }
+}
+
+void GraphicsSceneRectMove::setScale(double s) {
+ if (zoom < 1.0 / 7.0 && s < 1.0) return;
+ else if (zoom > 10.0 / 7.9 && s > 1.0) return;
+ QList<QGraphicsView*> viewlist = views();
+ if (viewlist.size() > 0) {
+ viewlist[0]->scale(s, s);
+ zoom = zoom * s;
+ }
+ //kDebug()<<"////////// ZOOM: "<<zoom;
+}
+
+void GraphicsSceneRectMove::setZoom(double s) {
+ QList<QGraphicsView*> viewlist = views();
+ if (viewlist.size() > 0) {
+ viewlist[0]->resetTransform();
+ viewlist[0]->scale(s, s);
+ zoom = s;
+ }
+
+ //kDebug()<<"////////// ZOOM: "<<zoom;
}
-void GraphicsSceneRectMove::setCursor(QCursor c){
- QList<QGraphicsView*> l=views();
- foreach(QGraphicsView* v, l){
- v->setCursor(c);
- }
+void GraphicsSceneRectMove::setCursor(QCursor c) {
+ const QList<QGraphicsView*> l = views();
+ foreach(QGraphicsView* v, l) {
+ v->setCursor(c);
+ }
}
projects / kdenlive / blobdiff