+/***************************************************************************
+ * 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>
-#include "graphicsscenerectmove.h"
-GraphicsSceneRectMove::GraphicsSceneRectMove(QObject *parent): QGraphicsScene(parent), m_selectedItem(NULL), resizeMode(NoResize) {
+GraphicsSceneRectMove::GraphicsSceneRectMove(QObject *parent) :
+ QGraphicsScene(parent),
+ m_selectedItem(NULL),
+ m_resizeMode(NoResize),
+ m_tool(TITLE_RECTANGLE)
+{
//grabMouse();
- zoom = 1.0;
+ m_zoom = 1.0;
+ setBackgroundBrush(QBrush(Qt::transparent));
+ m_fontSize = 0;
}
-void GraphicsSceneRectMove::setSelectedItem(QGraphicsItem *item) {
+void GraphicsSceneRectMove::setSelectedItem(QGraphicsItem *item)
+{
+ clearSelection();
m_selectedItem = item;
item->setSelected(true);
+ update();
+}
+
+TITLETOOL GraphicsSceneRectMove::tool() const
+{
+ return m_tool;
}
-//virtual
-void GraphicsSceneRectMove::keyPressEvent(QKeyEvent * keyEvent) {
- if (m_selectedItem == NULL) {
+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:
- m_selectedItem->setPos(m_selectedItem->pos() - QPointF(diff, 0));
+ foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy(-diff,0); }
+ emit itemMoved();
break;
case Qt::Key_Right:
- m_selectedItem->setPos(m_selectedItem->pos() + QPointF(diff, 0));
+ foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy( diff,0); }
+ emit itemMoved();
break;
case Qt::Key_Up:
- m_selectedItem->setPos(m_selectedItem->pos() - QPointF(0, diff));
+ foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy(0,-diff); }
+ emit itemMoved();
break;
case Qt::Key_Down:
- m_selectedItem->setPos(m_selectedItem->pos() + QPointF(0, diff));
+ 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 itemMoved();
+ emit actionFinished();
}
-//virtual
-void GraphicsSceneRectMove::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* e) {
+void GraphicsSceneRectMove::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* e)
+{
QPointF p = e->scenePos();
p += QPoint(-2, -2);
- resizeMode = NoResize;
+ m_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);
- t->setTextInteractionFlags(Qt::TextEditorInteraction);
- }
- }
+
+ // 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::mousePressEvent(QGraphicsSceneMouseEvent* 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;
- QList <QGraphicsItem *> list = items(QRectF(p , QSizeF(4, 4)).toRect());
+ m_resizeMode = NoResize;
+ const QList <QGraphicsItem *> list = items(QRectF(p , QSizeF(4, 4)).toRect());
QGraphicsItem *item = NULL;
- bool hasSelected = false;
- foreach(QGraphicsItem* g, list) {
- // 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->setTextInteractionFlags(Qt::NoTextInteraction);
- }
- m_selectedItem = NULL;
- foreach(QGraphicsItem* g, list) {
- if (g->zValue() > -1000) {
+
+ 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) {
- m_clickPoint = e->scenePos();
- m_selectedItem = item;
- if (item->type() == 8) {
- QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(item);
- if (t->textInteractionFlags() == Qt::TextEditorInteraction) {
- QGraphicsScene::mousePressEvent(e);
- return;
+ 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;
+ }
}
- t->setTextInteractionFlags(Qt::NoTextInteraction);
- } else if (item->type() == 3) {
- QGraphicsRectItem *gi = (QGraphicsRectItem*)item;
- QRectF r = gi->rect();
- r.translate(gi->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;
+ }
+ 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;
+
+ 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);
}
- QGraphicsScene::mousePressEvent(e);
- kDebug() << "////// MOUSE CLICK, RESIZE MODE: " << resizeMode;
+ kDebug() << "////// MOUSE CLICK, RESIZE MODE: " << m_resizeMode;
}
-//virtual
-void GraphicsSceneRectMove::mouseReleaseEvent(QGraphicsSceneMouseEvent* e) {
- //m_selectedItem = NULL;
+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();
}
-
-//virtual
-void GraphicsSceneRectMove::mouseMoveEvent(QGraphicsSceneMouseEvent* e) {
-
+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() == 3) {
- QGraphicsRectItem *gi = (QGraphicsRectItem*)m_selectedItem;
- QRectF newrect = gi->rect();
+ 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();
- //newpoint -= m_selectedItem->scenePos();
- switch (resizeMode) {
+ /*
+ * 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:
- newrect.setBottomRight(newrect.bottomRight() + gi->pos() - newpoint);
- gi->setPos(newpoint);
+ 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:
- newrect.setBottomRight(QPointF(newrect.bottomRight().x() + gi->pos().x() - newpoint.x(), newpoint.y() - gi->pos().y()));
- gi->setPos(QPointF(newpoint.x(), gi->pos().y()));
+ 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:
- newrect.setBottomRight(QPointF(newpoint.x() - gi->pos().x(), newrect.bottom() + gi->pos().y() - newpoint.y()));
- gi->setPos(QPointF(gi->pos().x(), newpoint.y()));
+ 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:
- newrect.setBottomRight(newpoint - gi->pos());
+ 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:
- newrect.setRight(gi->pos().x() + newrect.width() - newpoint.x());
- gi->setPos(QPointF(newpoint.x(), gi->pos().y()));
+ 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:
- newrect.setRight(newpoint.x() - gi->pos().x());
+ 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:
- newrect.setBottom(gi->pos().y() + newrect.bottom() - newpoint.y());
- gi->setPos(QPointF(gi->pos().x(), newpoint.y()));
+ 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:
- newrect.setBottom(newpoint.y() - gi->pos().y());
+ 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_clickPoint;
- m_clickPoint = e->scenePos();
- gi->moveBy(diff.x(), diff.y());
+ QPointF diff = e->scenePos() - m_sceneClickPoint;
+ m_sceneClickPoint = e->scenePos();
+ foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy(diff.x(), diff.y()); }
break;
}
- gi->setRect(newrect);
+ 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() == 8) {
+ } 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_clickPoint;
- m_clickPoint = e->scenePos();
- m_selectedItem->moveBy(diff.x(), diff.y());
+ QPointF diff = e->scenePos() - m_sceneClickPoint;
+ m_sceneClickPoint = e->scenePos();
+ foreach (QGraphicsItem *qgi, selectedItems()) { qgi->moveBy(diff.x(), diff.y()); }
}
emit itemMoved();
- } else {
+ } 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);
- resizeMode = NoResize;
+ m_resizeMode = NoResize;
bool itemFound = false;
- 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());
+ 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;
- 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(QCursor(Qt::ArrowCursor));
+
+ // 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(QCursor(Qt::ArrowCursor));
+ 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) {
- 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::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 (zoom < 1.0 / 7.0 && s < 1.0) return;
- else if (zoom > 10.0 / 7.9 && s > 1.0) return;
+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);
- zoom = zoom * s;
+ m_zoom = m_zoom * s;
}
//kDebug()<<"////////// ZOOM: "<<zoom;
}
-void GraphicsSceneRectMove::setZoom(double s) {
+void GraphicsSceneRectMove::setZoom(double s)
+{
QList<QGraphicsView*> viewlist = views();
if (viewlist.size() > 0) {
viewlist[0]->resetTransform();
viewlist[0]->scale(s, s);
- zoom = s;
+ m_zoom = s;
}
//kDebug()<<"////////// ZOOM: "<<zoom;
}
-void GraphicsSceneRectMove::setCursor(QCursor c) {
- QList<QGraphicsView*> l = views();
+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