+/***************************************************************************
+ * 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 <QApplication>
#include <QTextBlock>
-#include "graphicsscenerectmove.h"
-GraphicsSceneRectMove::GraphicsSceneRectMove(QObject *parent): QGraphicsScene(parent), m_selectedItem(NULL), resizeMode(NoResize), m_tool(TITLE_RECTANGLE) {
+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));
}
-void GraphicsSceneRectMove::setSelectedItem(QGraphicsItem *item) {
+void GraphicsSceneRectMove::setSelectedItem(QGraphicsItem *item)
+{
clearSelection();
m_selectedItem = item;
item->setSelected(true);
update();
}
-TITLETOOL GraphicsSceneRectMove::tool() {
+TITLETOOL GraphicsSceneRectMove::tool()
+{
return m_tool;
}
-void GraphicsSceneRectMove::setTool(TITLETOOL tool) {
+void GraphicsSceneRectMove::setTool(TITLETOOL tool)
+{
m_tool = tool;
switch (m_tool) {
case TITLE_RECTANGLE:
}
//virtual
-void GraphicsSceneRectMove::keyPressEvent(QKeyEvent * keyEvent) {
+void GraphicsSceneRectMove::keyPressEvent(QKeyEvent * keyEvent)
+{
if (m_selectedItem == NULL) {
QGraphicsScene::keyPressEvent(keyEvent);
return;
}
//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) {
QGraphicsScene::mouseDoubleClickEvent(e);
}
-void GraphicsSceneRectMove::mouseReleaseEvent(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) {
+void GraphicsSceneRectMove::mousePressEvent(QGraphicsSceneMouseEvent* e)
+{
m_clickPoint = e->screenPos();
QPointF p = e->scenePos();
p += QPoint(-2, -2);
- resizeMode = NoResize;
+ m_resizeMode = NoResize;
const QList <QGraphicsItem *> list = items(QRectF(p , QSizeF(4, 4)).toRect());
QGraphicsItem *item = NULL;
bool hasSelected = false;
} 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;
+ if ((r.toRect().topLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / m_zoom) {
+ m_resizeMode = TopLeft;
+ } else if ((r.toRect().bottomLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / m_zoom) {
+ m_resizeMode = BottomLeft;
+ } else if ((r.toRect().topRight() - e->scenePos().toPoint()).manhattanLength() < 6 / m_zoom) {
+ m_resizeMode = TopRight;
+ } else if ((r.toRect().bottomRight() - e->scenePos().toPoint()).manhattanLength() < 6 / m_zoom) {
+ m_resizeMode = BottomRight;
+ } else if (qAbs(r.toRect().left() - e->scenePos().toPoint().x()) < 3 / m_zoom) {
+ m_resizeMode = Left;
+ } else if (qAbs(r.toRect().right() - e->scenePos().toPoint().x()) < 3 / m_zoom) {
+ m_resizeMode = Right;
+ } else if (qAbs(r.toRect().top() - e->scenePos().toPoint().y()) < 3 / m_zoom) {
+ m_resizeMode = Up;
+ } else if (qAbs(r.toRect().bottom() - e->scenePos().toPoint().y()) < 3 / m_zoom) {
+ m_resizeMode = Down;
} else setCursor(Qt::ClosedHandCursor);
}
}
QGraphicsScene::mousePressEvent(e);
}
- kDebug() << "////// MOUSE CLICK, RESIZE MODE: " << resizeMode;
+ kDebug() << "////// MOUSE CLICK, RESIZE MODE: " << m_resizeMode;
}
-void GraphicsSceneRectMove::clearTextSelection() {
+void GraphicsSceneRectMove::clearTextSelection()
+{
if (m_selectedItem && m_selectedItem->type() == 8) {
// disable text editing
QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
}
//virtual
-void GraphicsSceneRectMove::mouseMoveEvent(QGraphicsSceneMouseEvent* e) {
+void GraphicsSceneRectMove::mouseMoveEvent(QGraphicsSceneMouseEvent* e)
+{
if ((e->screenPos() - m_clickPoint).manhattanLength() < QApplication::startDragDistance()) {
e->accept();
return;
QPointF newpoint = e->scenePos();
//newpoint -= m_selectedItem->scenePos();
- switch (resizeMode) {
+ switch (m_resizeMode) {
case TopLeft:
newrect.setBottomRight(newrect.bottomRight() + m_selectedItem->pos() - newpoint);
m_selectedItem->setPos(newpoint);
m_selectedItem->moveBy(diff.x(), diff.y());
break;
}
- if (m_selectedItem->type() == 3 && resizeMode != NoResize) {
+ if (m_selectedItem->type() == 3 && m_resizeMode != NoResize) {
QGraphicsRectItem *gi = (QGraphicsRectItem*)m_selectedItem;
gi->setRect(newrect);
}
} else if (m_tool == TITLE_SELECT) {
QPointF p = e->scenePos();
p += QPoint(-2, -2);
- resizeMode = NoResize;
+ m_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) {
setCursor(Qt::OpenHandCursor);
break;
} else if (g->type() == 3 && g->zValue() > -1000) {
- QRectF r = ((QGraphicsRectItem*)g)->rect();
+ QRectF r = ((const QGraphicsRectItem*)g)->rect();
r.translate(g->scenePos());
itemFound = true;
- if ((r.toRect().topLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
+ if ((r.toRect().topLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / m_zoom) {
setCursor(QCursor(Qt::SizeFDiagCursor));
- } else if ((r.toRect().bottomLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
+ } else if ((r.toRect().bottomLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / m_zoom) {
setCursor(QCursor(Qt::SizeBDiagCursor));
- } else if ((r.toRect().topRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
+ } else if ((r.toRect().topRight() - e->scenePos().toPoint()).manhattanLength() < 6 / m_zoom) {
setCursor(QCursor(Qt::SizeBDiagCursor));
- } else if ((r.toRect().bottomRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
+ } else if ((r.toRect().bottomRight() - e->scenePos().toPoint()).manhattanLength() < 6 / m_zoom) {
setCursor(QCursor(Qt::SizeFDiagCursor));
- } else if (qAbs(r.toRect().left() - e->scenePos().toPoint().x()) < 3 / zoom) {
+ } else if (qAbs(r.toRect().left() - e->scenePos().toPoint().x()) < 3 / m_zoom) {
setCursor(Qt::SizeHorCursor);
- } else if (qAbs(r.toRect().right() - e->scenePos().toPoint().x()) < 3 / zoom) {
+ } else if (qAbs(r.toRect().right() - e->scenePos().toPoint().x()) < 3 / m_zoom) {
setCursor(Qt::SizeHorCursor);
- } else if (qAbs(r.toRect().top() - e->scenePos().toPoint().y()) < 3 / zoom) {
+ } else if (qAbs(r.toRect().top() - e->scenePos().toPoint().y()) < 3 / m_zoom) {
setCursor(Qt::SizeVerCursor);
- } else if (qAbs(r.toRect().bottom() - e->scenePos().toPoint().y()) < 3 / zoom) {
+ } else if (qAbs(r.toRect().bottom() - e->scenePos().toPoint().y()) < 3 / m_zoom) {
setCursor(Qt::SizeVerCursor);
} else setCursor(Qt::OpenHandCursor);
break;
emit newRect((QGraphicsRectItem *) m_selectedItem);
m_selectedItem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
m_selectedItem->setPos(m_sceneClickPoint);
- resizeMode = BottomRight;
+ m_resizeMode = BottomRight;
QGraphicsScene::mouseMoveEvent(e);
}
}
}
-void GraphicsSceneRectMove::wheelEvent(QGraphicsSceneWheelEvent * wheelEvent) {
+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;
+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) {
+void GraphicsSceneRectMove::setCursor(QCursor c)
+{
const QList<QGraphicsView*> l = views();
foreach(QGraphicsView* v, l) {
v->setCursor(c);