+/***************************************************************************
+ * copyright (C) 2008 by Marco Gittler (g.marco@freenet.de) *
+ * Copyright (C) 2008 by Jean-Baptiste Mardelle (jb@kdenlive.org) *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
+ ***************************************************************************/
+
#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>
+
+
+GraphicsSceneRectMove::GraphicsSceneRectMove(QObject *parent) :
+ QGraphicsScene(parent),
+ m_selectedItem(NULL),
+ m_resizeMode(NoResize),
+ m_tool(TITLE_RECTANGLE)
+{
+ //grabMouse();
+ m_zoom = 1.0;
+ setBackgroundBrush(QBrush(Qt::transparent));
+ m_fontSize = 0;
+}
+
+void GraphicsSceneRectMove::setSelectedItem(QGraphicsItem *item)
+{
+ clearSelection();
+ m_selectedItem = item;
+ item->setSelected(true);
+ update();
+}
+
+TITLETOOL GraphicsSceneRectMove::tool() const
+{
+ 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);
+ }
+}
+
+void GraphicsSceneRectMove::keyPressEvent(QKeyEvent * keyEvent)
+{
+ if (m_selectedItem == NULL || !(m_selectedItem->flags() & QGraphicsItem::ItemIsMovable)) {
+ QGraphicsScene::keyPressEvent(keyEvent);
+ return;
+ }
+ if (m_selectedItem->type() == QGraphicsTextItem::Type) {
+ QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
+ if (t->textInteractionFlags() & Qt::TextEditorInteraction) {
+ QGraphicsScene::keyPressEvent(keyEvent);
+ return;
+ }
+ }
+ int diff = 1;
+ if (keyEvent->modifiers() & Qt::ControlModifier) diff = 10;
+ switch (keyEvent->key()) {
+ case Qt::Key_Left:
+ foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy(-diff,0); }
+ emit itemMoved();
+ break;
+ case Qt::Key_Right:
+ foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy( diff,0); }
+ emit itemMoved();
+ break;
+ case Qt::Key_Up:
+ foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy(0,-diff); }
+ emit itemMoved();
+ break;
+ case Qt::Key_Down:
+ foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy(0, diff); }
+ emit itemMoved();
+ break;
+ case Qt::Key_Delete:
+ case Qt::Key_Backspace:
+ foreach (QGraphicsItem *qgi, selectedItems()) {
+ if (qgi->data(-1).toInt() == -1) continue;
+ removeItem(qgi);
+ delete qgi;
+ }
+ m_selectedItem = NULL;
+ emit selectionChanged();
+ break;
+ default:
+ QGraphicsScene::keyPressEvent(keyEvent);
+ }
+ emit actionFinished();
+}
+
+void GraphicsSceneRectMove::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* e)
+{
+ QPointF p = e->scenePos();
+ p += QPoint(-2, -2);
+ m_resizeMode = NoResize;
+ m_selectedItem = NULL;
+
+ // http://www.kdenlive.org/mantis/view.php?id=1035
+ QList<QGraphicsItem*> i = items(QRectF(p , QSizeF(4, 4)).toRect());
+ if (i.isEmpty()) return;
+
+ QGraphicsItem* g = i.first();
+ if (g->type() == QGraphicsTextItem::Type) {
+ m_selectedItem = g;
+ QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(g);
+ t->setTextInteractionFlags(Qt::TextEditorInteraction);
+ } else emit doubleClickEvent();
+ 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);
+ m_resizeMode = NoResize;
+ const QList <QGraphicsItem *> list = items(QRectF(p , QSizeF(4, 4)).toRect());
+ QGraphicsItem *item = NULL;
+
+ 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()) {
+ item = g;
+ break;
+ }
+ }
+ if (item == NULL || !(item->flags() & QGraphicsItem::ItemIsSelectable)) {
+ if (m_selectedItem && m_selectedItem->type() == QGraphicsTextItem::Type) {
+ // 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 && item->flags() & QGraphicsItem::ItemIsMovable) {
+ m_sceneClickPoint = e->scenePos();
+ m_selectedItem = item;
+ kDebug() << "///////// ITEM TYPE: " << item->type();
+ if (item->type() == QGraphicsTextItem::Type) {
+ 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() == QGraphicsRectItem::Type || item->type() == QGraphicsSvgItem::Type || item->type() == QGraphicsPixmapItem::Type) {
+ QRectF r1;
+ if (m_selectedItem->type() == QGraphicsRectItem::Type)
+ r1 = ((QGraphicsRectItem*)m_selectedItem)->rect().normalized();
+ else
+ r1 = m_selectedItem->boundingRect().normalized();
+
+ QList<QGraphicsView*> viewlist = views();
+ QGraphicsView *view = NULL;
+ if (viewlist.size() > 0) view = viewlist[0];
+ if (view == NULL) return;
+ // Item mapped coordinates
+ QPolygon r = m_selectedItem->deviceTransform(view->viewportTransform()).map(r1).toPolygon();
+ QPainterPath top(r.point(0));
+ top.lineTo(r.point(1));
+ QPainterPath bottom(r.point(2));
+ bottom.lineTo(r.point(3));
+ QPainterPath left(r.point(0));
+ left.lineTo(r.point(3));
+ QPainterPath right(r.point(1));
+ right.lineTo(r.point(2));
+
+
+ // The area interested by the mouse pointer
+ QPoint viewPos = view->mapFromScene(e->scenePos());
+ QPainterPath mouseArea;
+ mouseArea.addRect(viewPos.x() - 4, viewPos.y() - 4, 8, 8);
+
+ // Check for collisions between the mouse and the borders
+ if (mouseArea.contains(r.point(0))) m_resizeMode = TopLeft;
+ else if (mouseArea.contains(r.point(2))) m_resizeMode = BottomRight;
+ else if (mouseArea.contains(r.point(1))) m_resizeMode = TopRight;
+ else if (mouseArea.contains(r.point(3))) m_resizeMode = BottomLeft;
+ else if (top.intersects(mouseArea)) m_resizeMode = Up;
+ else if (bottom.intersects(mouseArea)) m_resizeMode = Down;
+ else if (right.intersects(mouseArea)) m_resizeMode = Right;
+ else if (left.intersects(mouseArea)) m_resizeMode = Left;
-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();
-}
-
-void GraphicsSceneRectMove::mouseMoveEvent(QGraphicsSceneMouseEvent* e){
-
- if (selected && selected->type()==3 &&button==1){
-
- 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());
- }
- kDebug() << "move";
- 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;
- }
- }
- 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::mousePressEvent(QGraphicsSceneMouseEvent* e){
- button=e->button();
- if (!selected || selected->type()!=3)
- QGraphicsScene::mousePressEvent(e);
-}
-void GraphicsSceneRectMove::mouseReleaseEvent(QGraphicsSceneMouseEvent* e){
- button=0;
- if (!selected || selected->type()!=3)
- QGraphicsScene::mouseReleaseEvent(e);
-}
-
-void GraphicsSceneRectMove::setCursor(QCursor c){
- QList<QGraphicsView*> l=views();
- foreach(QGraphicsView* v, l){
- v->setCursor(c);
- }
+ 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() - QPointF(0, (int)(m_fontSize / 2)));
+ QGraphicsScene::mousePressEvent(e);
+ }
+
+ kDebug() << "////// MOUSE CLICK, RESIZE MODE: " << m_resizeMode;
+
+}
+
+void GraphicsSceneRectMove::clearTextSelection()
+{
+ if (m_selectedItem && m_selectedItem->type() == QGraphicsTextItem::Type) {
+ // 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::mouseMoveEvent(QGraphicsSceneMouseEvent* e)
+{
+ if (e->buttons() != Qt::NoButton && (e->screenPos() - m_clickPoint).manhattanLength() < QApplication::startDragDistance()) {
+ e->accept();
+ return;
+ }
+ if (m_selectedItem && e->buttons() & Qt::LeftButton) {
+ if (m_selectedItem->type() == QGraphicsRectItem::Type || m_selectedItem->type() == QGraphicsSvgItem::Type || m_selectedItem->type() == QGraphicsPixmapItem::Type) {
+ QRectF newrect;
+ if (m_selectedItem->type() == QGraphicsRectItem::Type)
+ newrect = ((QGraphicsRectItem*)m_selectedItem)->rect();
+ else
+ newrect = m_selectedItem->boundingRect();
+ QPointF newpoint = e->scenePos();
+ /*
+ * The vertices of the rectangle (check for matrix
+ * transformation); to be replaced by QTransform::map()?
+ */
+ QPointF itemOrigin = m_selectedItem->scenePos();
+ QTransform transform = m_selectedItem->transform();
+ QPointF topLeft(transform.m11() * newrect.toRect().left() + transform.m21() * newrect.toRect().top() + transform.m31() + itemOrigin.x(), transform.m22() * newrect.toRect().top() + transform.m12() * newrect.toRect().left() + transform.m32() + itemOrigin.y());
+ QPointF bottomLeft(transform.m11() * newrect.toRect().left() + transform.m21() * newrect.toRect().bottom() + transform.m31() + itemOrigin.x(), transform.m22() * newrect.toRect().bottom() + transform.m12() * newrect.toRect().left() + transform.m32() + itemOrigin.y());
+ QPointF topRight(transform.m11() * newrect.toRect().right() + transform.m21() * newrect.toRect().top() + transform.m31() + itemOrigin.x(), transform.m22() * newrect.toRect().top() + transform.m12() * newrect.toRect().right() + transform.m32() + itemOrigin.y());
+ QPointF bottomRight(transform.m11() * newrect.toRect().right() + transform.m21() * newrect.toRect().bottom() + transform.m31() + itemOrigin.x(), transform.m22() * newrect.toRect().bottom() + transform.m12() * newrect.toRect().right() + transform.m32() + itemOrigin.y());
+ // Convert the mouse coordinates applying inverted transformation
+ QPointF newPointRelative = newpoint - itemOrigin;
+ QPointF resizePoint(transform.inverted().m11() * newPointRelative.x() + transform.inverted().m21() * newPointRelative.y() + transform.inverted().m31(), transform.inverted().m22() * newPointRelative.y() + transform.inverted().m12() * newPointRelative.x() + transform.inverted().m32());
+ /*
+ * Will check if the mouse is on the right of the limit lines with a
+ * determinant (it must be less than zero because the Y axis is
+ * inverted)
+ */
+ int determinantH, determinantV;
+ // Check whether to resize or to just move the item(s)
+ switch (m_resizeMode) {
+ case TopLeft:
+ determinantV = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x());
+ determinantH = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x());
+ if (determinantV < 0) {
+ if (determinantH < 0) {
+ // resizePoint is not working for some reason
+ newrect.setBottomRight(QPointF(newrect.width() - (transform.inverted().m11() * resizePoint.x() + transform.inverted().m21() * resizePoint.y() + transform.inverted().m31()), newrect.bottom() - (transform.inverted().m22() * resizePoint.y() + transform.inverted().m12() * resizePoint.x() + transform.inverted().m32())));
+ m_selectedItem->setPos(resizePoint + itemOrigin);
+ } else
+ m_resizeMode = BottomLeft;
+ } else {
+ if (determinantH < 0)
+ m_resizeMode = TopRight;
+ else
+ m_resizeMode = BottomRight;
+ }
+ break;
+ case BottomLeft:
+ determinantV = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x());
+ determinantH = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x());
+ if (determinantV < 0) {
+ if (determinantH < 0) {
+ newrect.setBottomRight(QPointF(newrect.width() - resizePoint.x(), resizePoint.y()));
+ m_selectedItem->setPos(QPointF(transform.m11() * resizePoint.x() + transform.m21() *(newrect.bottom() - resizePoint.y()) + transform.m31() + itemOrigin.x(), transform.m22() *(newrect.bottom() - resizePoint.y()) + transform.m12() * resizePoint.x() + transform.m32() + itemOrigin.y()));
+ } else
+ m_resizeMode = TopLeft;
+ } else {
+ if (determinantH < 0)
+ m_resizeMode = BottomRight;
+ else
+ m_resizeMode = TopRight;
+ }
+ break;
+ case TopRight:
+ determinantV = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x());
+ determinantH = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x());
+ if (determinantV < 0) {
+ if (determinantH < 0) {
+ newrect.setBottomRight(QPointF(resizePoint.x(), newrect.bottom() - resizePoint.y()));
+ m_selectedItem->setPos(QPointF(transform.m11() *(newrect.width() - resizePoint.x()) + transform.m21() * resizePoint.y() + transform.m31() + itemOrigin.x(), transform.m22() * resizePoint.y() + transform.m12() *(newrect.width() - resizePoint.x()) + transform.m32() + itemOrigin.y()));
+ } else
+ m_resizeMode = BottomRight;
+ } else {
+ if (determinantH < 0)
+ m_resizeMode = TopLeft;
+ else
+ m_resizeMode = BottomLeft;
+ }
+ break;
+ case BottomRight:
+ determinantV = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x());
+ determinantH = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x());
+ if (determinantV < 0) {
+ if (determinantH < 0)
+ newrect.setBottomRight(resizePoint);
+ else
+ m_resizeMode = TopRight;
+ } else {
+ if (determinantH < 0)
+ m_resizeMode = BottomLeft;
+ else
+ m_resizeMode = TopLeft;
+ }
+ break;
+ case Left:
+ determinantV = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x());
+ if (determinantV < 0) {
+ newrect.setRight(newrect.width() - resizePoint.x());
+ m_selectedItem->setPos(QPointF(transform.m11() * resizePoint.x() + transform.m31() + itemOrigin.x(), transform.m12() * resizePoint.x() + transform.m32() + itemOrigin.y()));
+ } else
+ m_resizeMode = Right;
+ break;
+ case Right:
+ determinantV = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x());
+ if (determinantV < 0)
+ newrect.setRight(resizePoint.x());
+ else
+ m_resizeMode = Left;
+ break;
+ case Up:
+ determinantH = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x());
+ if (determinantH < 0) {
+ newrect.setBottom(newrect.bottom() - resizePoint.y());
+ m_selectedItem->setPos(QPointF(transform.m21() * resizePoint.y() + transform.m31() + itemOrigin.x(), transform.m22() * resizePoint.y() + transform.m32() + itemOrigin.y()));
+ } else
+ m_resizeMode = Down;
+ break;
+ case Down:
+ determinantH = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x());
+ if (determinantH < 0)
+ newrect.setBottom(resizePoint.y());
+ else
+ m_resizeMode = Up;
+ break;
+ default:
+ QPointF diff = e->scenePos() - m_sceneClickPoint;
+ m_sceneClickPoint = e->scenePos();
+ foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy(diff.x(), diff.y()); }
+ break;
+ }
+ if (m_selectedItem->type() == QGraphicsRectItem::Type && m_resizeMode != NoResize) {
+ QGraphicsRectItem *gi = (QGraphicsRectItem*)m_selectedItem;
+ // Resize using aspect ratio
+ if (!m_selectedItem->data(0).isNull()) {
+ // we want to keep aspect ratio
+ double hRatio = (double) newrect.width() / m_selectedItem->data(0).toInt();
+ double vRatio = (double) newrect.height() / m_selectedItem->data(1).toInt();
+ if (hRatio < vRatio) newrect.setHeight(m_selectedItem->data(1).toInt() * hRatio);
+ else newrect.setWidth(m_selectedItem->data(0).toInt() * vRatio);
+ }
+
+ 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() == QGraphicsTextItem::Type) {
+ 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();
+ foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy(diff.x(), diff.y()); }
+ }
+ emit itemMoved();
+ } else if (m_tool == TITLE_SELECT) {
+ QList<QGraphicsView*> viewlist = views();
+ QGraphicsView *view = NULL;
+ if (viewlist.size() > 0) view = viewlist[0];
+
+ QPointF p = e->scenePos();
+ p += QPoint(-2, -2);
+ m_resizeMode = NoResize;
+ bool itemFound = false;
+ QList<QGraphicsItem *> list = items(QRectF(p , QSizeF(4, 4)).toRect());
+ foreach(const QGraphicsItem* g, list) {
+ if ((g->type() == QGraphicsSvgItem::Type || g->type() == QGraphicsPixmapItem::Type) && g->zValue() > -1000) {
+ // image or svg item
+ setCursor(Qt::OpenHandCursor);
+ break;
+ } else if (g->type() == QGraphicsRectItem::Type && g->zValue() > -1000) {
+ if (view == NULL) continue;
+ QRectF r1 = ((const QGraphicsRectItem*)g)->rect().normalized();
+ itemFound = true;
+
+ // Item mapped coordinates
+ QPolygon r = g->deviceTransform(view->viewportTransform()).map(r1).toPolygon();
+ QPainterPath top(r.point(0));
+ top.lineTo(r.point(1));
+ QPainterPath bottom(r.point(2));
+ bottom.lineTo(r.point(3));
+ QPainterPath left(r.point(0));
+ left.lineTo(r.point(3));
+ QPainterPath right(r.point(1));
+ right.lineTo(r.point(2));
+
+ // The area interested by the mouse pointer
+ QPoint viewPos = view->mapFromScene(e->scenePos());
+ QPainterPath mouseArea;
+ mouseArea.addRect(viewPos.x() - 4, viewPos.y() - 4, 8, 8);
+
+ // Check for collisions between the mouse and the borders
+ if (mouseArea.contains(r.point(0)) || mouseArea.contains(r.point(2))) setCursor(Qt::SizeFDiagCursor);
+ else if (mouseArea.contains(r.point(1)) || mouseArea.contains(r.point(3))) setCursor(Qt::SizeBDiagCursor);
+ else if (top.intersects(mouseArea) || bottom.intersects(mouseArea)) setCursor(Qt::SizeVerCursor);
+ else if (right.intersects(mouseArea) || left.intersects(mouseArea)) setCursor(Qt::SizeHorCursor);
+ 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) {
+ // create new rect item
+ QRectF r(0, 0, e->scenePos().x() - m_sceneClickPoint.x(), e->scenePos().y() - m_sceneClickPoint.y());
+ r = r.normalized();
+ m_selectedItem = addRect(QRectF(0, 0, r.width(), r.height()));
+ emit newRect((QGraphicsRectItem *) m_selectedItem);
+ m_selectedItem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
+ m_selectedItem->setPos(m_sceneClickPoint);
+ m_resizeMode = BottomRight;
+ QGraphicsScene::mouseMoveEvent(e);
+ }
+ }
+}
+
+void GraphicsSceneRectMove::wheelEvent(QGraphicsSceneWheelEvent * wheelEvent)
+{
+ if (wheelEvent->modifiers() == Qt::ControlModifier) {
+ QList<QGraphicsView*> viewlist = views();
+ //kDebug() << wheelEvent->delta() << " " << zoom;
+ if (viewlist.size() > 0) {
+ if (wheelEvent->delta() > 0) emit sceneZoom(true);
+ else emit sceneZoom(false);
+ }
+ } else wheelEvent->setAccepted(false);
}
+
+void GraphicsSceneRectMove::setScale(double s)
+{
+ if (m_zoom < 1.0 / 7.0 && s < 1.0) return;
+ else if (m_zoom > 10.0 / 7.9 && s > 1.0) return;
+ QList<QGraphicsView*> viewlist = views();
+ if (viewlist.size() > 0) {
+ viewlist[0]->scale(s, s);
+ m_zoom = m_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);
+ m_zoom = s;
+ }
+
+ //kDebug()<<"////////// ZOOM: "<<zoom;
+}
+
+void GraphicsSceneRectMove::setCursor(QCursor c)
+{
+ const QList<QGraphicsView*> l = views();
+ foreach(QGraphicsView* v, l) {
+ v->setCursor(c);
+ }
+}
+
+void GraphicsSceneRectMove::setResizeCursor(qreal angle)
+{
+ // % is not working...
+ while (angle < 0)
+ angle += 180;
+ while (angle >= 180)
+ angle -= 180;
+ if (angle > 157.5 || angle <= 22.5)
+ setCursor(Qt::SizeVerCursor);
+ else if (angle > 22.5 && angle <= 67.5)
+ setCursor(Qt::SizeFDiagCursor);
+ else if (angle > 67.5 && angle <= 112.5)
+ setCursor(Qt::SizeHorCursor);
+ else if (angle > 112.5 && angle <= 157.5)
+ setCursor(Qt::SizeBDiagCursor);
+}
+
+void GraphicsSceneRectMove::slotUpdateFontSize(int s)
+{
+ m_fontSize = s;
+}
+
+#include "graphicsscenerectmove.moc"
projects / kdenlive / blobdiff