1 /***************************************************************************
2 * copyright (C) 2008 by Marco Gittler (g.marco@freenet.de) *
3 * Copyright (C) 2008 by Jean-Baptiste Mardelle (jb@kdenlive.org) *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
19 ***************************************************************************/
21 #include "graphicsscenerectmove.h"
24 #include <QGraphicsSceneMouseEvent>
25 #include <QGraphicsRectItem>
26 #include <QGraphicsSvgItem>
27 #include <QGraphicsView>
29 #include <QTextCursor>
32 #include <QApplication>
36 GraphicsSceneRectMove::GraphicsSceneRectMove(QObject *parent) :
37 QGraphicsScene(parent),
39 m_resizeMode(NoResize),
40 m_tool(TITLE_RECTANGLE)
44 setBackgroundBrush(QBrush(Qt::transparent));
47 void GraphicsSceneRectMove::setSelectedItem(QGraphicsItem *item)
50 m_selectedItem = item;
51 item->setSelected(true);
55 TITLETOOL GraphicsSceneRectMove::tool()
60 void GraphicsSceneRectMove::setTool(TITLETOOL tool)
65 setCursor(Qt::CrossCursor);
68 setCursor(Qt::IBeamCursor);
71 setCursor(Qt::ArrowCursor);
76 void GraphicsSceneRectMove::keyPressEvent(QKeyEvent * keyEvent)
78 if (m_selectedItem == NULL) {
79 QGraphicsScene::keyPressEvent(keyEvent);
83 if (m_selectedItem->type() == 8) {
84 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
85 if (t->textInteractionFlags() & Qt::TextEditorInteraction) {
86 QGraphicsScene::keyPressEvent(keyEvent);
90 if (keyEvent->modifiers() & Qt::ControlModifier) diff = 10;
91 switch (keyEvent->key()) {
93 m_selectedItem->setPos(m_selectedItem->pos() - QPointF(diff, 0));
97 m_selectedItem->setPos(m_selectedItem->pos() + QPointF(diff, 0));
101 m_selectedItem->setPos(m_selectedItem->pos() - QPointF(0, diff));
105 m_selectedItem->setPos(m_selectedItem->pos() + QPointF(0, diff));
109 case Qt::Key_Backspace:
110 delete m_selectedItem;
111 m_selectedItem = NULL;
112 emit selectionChanged();
115 QGraphicsScene::keyPressEvent(keyEvent);
117 emit actionFinished();
121 void GraphicsSceneRectMove::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* e)
123 QPointF p = e->scenePos();
125 m_resizeMode = NoResize;
126 m_selectedItem = NULL;
127 QGraphicsItem* g = items(QRectF(p , QSizeF(4, 4)).toRect()).at(0);
129 if (g->type() == 8) {
130 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(g);
132 t->setTextInteractionFlags(Qt::TextEditorInteraction);
133 } else emit doubleClickEvent();
135 QGraphicsScene::mouseDoubleClickEvent(e);
138 void GraphicsSceneRectMove::mouseReleaseEvent(QGraphicsSceneMouseEvent *e)
140 if (m_tool == TITLE_RECTANGLE && m_selectedItem) setSelectedItem(m_selectedItem);
141 QGraphicsScene::mouseReleaseEvent(e);
142 emit actionFinished();
145 void GraphicsSceneRectMove::mousePressEvent(QGraphicsSceneMouseEvent* e)
147 m_clickPoint = e->screenPos();
148 QPointF p = e->scenePos();
150 m_resizeMode = NoResize;
151 const QList <QGraphicsItem *> list = items(QRectF(p , QSizeF(4, 4)).toRect());
152 QGraphicsItem *item = NULL;
153 bool hasSelected = false;
155 if (m_tool == TITLE_SELECT) {
156 foreach(QGraphicsItem *g, list) {
157 kDebug() << " - - CHECKING ITEM Z:" << g->zValue() << ", TYPE: " << g->type();
158 // check is there is a selected item in list
159 if (g->zValue() > -1000 && g->isSelected()) {
166 if (m_selectedItem && m_selectedItem->type() == 8) {
167 // disable text editing
168 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
169 t->textCursor().setPosition(0);
170 QTextBlock cur = t->textCursor().block();
171 t->setTextCursor(QTextCursor(cur));
172 t->setTextInteractionFlags(Qt::NoTextInteraction);
174 m_selectedItem = NULL;
175 foreach(QGraphicsItem* g, list) {
176 if (g->zValue() > -1000) {
183 m_sceneClickPoint = e->scenePos();
184 m_selectedItem = item;
185 kDebug() << "///////// ITEM TYPE: " << item->type();
186 if (item->type() == 8) {
187 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(item);
188 if (t->textInteractionFlags() == Qt::TextEditorInteraction) {
189 QGraphicsScene::mousePressEvent(e);
192 t->setTextInteractionFlags(Qt::NoTextInteraction);
193 setCursor(Qt::ClosedHandCursor);
194 } else if (item->type() == 3 || item->type() == 13 || item->type() == 7) {
196 if (m_selectedItem->type() == 3)
197 r = ((QGraphicsRectItem*)m_selectedItem)->rect();
199 r = m_selectedItem->boundingRect();
201 * The vertices of the rectangle (check for matrix
202 * transformation); to be replaced by QTransform::map()?
204 QPointF itemOrigin = item->scenePos();
205 QTransform transform = item->transform();
206 QPointF topLeft(transform.m11() * r.toRect().left() + transform.m21() * r.toRect().top() + transform.m31() + itemOrigin.x(), transform.m22() * r.toRect().top() + transform.m12() * r.toRect().left() + transform.m32() + itemOrigin.y());
207 QPointF bottomLeft(transform.m11() * r.toRect().left() + transform.m21() * r.toRect().bottom() + transform.m31() + itemOrigin.x(), transform.m22() * r.toRect().bottom() + transform.m12() * r.toRect().left() + transform.m32() + itemOrigin.y());
208 QPointF topRight(transform.m11() * r.toRect().right() + transform.m21() * r.toRect().top() + transform.m31() + itemOrigin.x(), transform.m22() * r.toRect().top() + transform.m12() * r.toRect().right() + transform.m32() + itemOrigin.y());
209 QPointF bottomRight(transform.m11() * r.toRect().right() + transform.m21() * r.toRect().bottom() + transform.m31() + itemOrigin.x(), transform.m22() * r.toRect().bottom() + transform.m12() * r.toRect().right() + transform.m32() + itemOrigin.y());
210 // The borders (using the transformed coordinates)
211 QGraphicsLineItem borderTop(topLeft.x(), topLeft.y(), topRight.x(), topRight.y());
212 QGraphicsLineItem borderRight(topRight.x(), topRight.y(), bottomRight.x(), bottomRight.y());
213 QGraphicsLineItem borderBottom(bottomRight.x(), bottomRight.y(), bottomLeft.x(), bottomLeft.y());
214 QGraphicsLineItem borderLeft(bottomLeft.x(), bottomLeft.y(), topLeft.x(), topLeft.y());
215 // The area interested by the mouse pointer
216 QPainterPath mouseArea;
217 mouseArea.addRect(e->scenePos().toPoint().x() - 4 / m_zoom, e->scenePos().toPoint().y() - 4 / m_zoom, 8 / m_zoom, 8 / m_zoom);
218 // Check for collisions between the mouse and the borders
219 if (borderLeft.collidesWithPath(mouseArea) && borderTop.collidesWithPath(mouseArea))
220 m_resizeMode = TopLeft;
221 else if (borderLeft.collidesWithPath(mouseArea) && borderBottom.collidesWithPath(mouseArea))
222 m_resizeMode = BottomLeft;
223 else if (borderRight.collidesWithPath(mouseArea) && borderTop.collidesWithPath(mouseArea))
224 m_resizeMode = TopRight;
225 else if (borderRight.collidesWithPath(mouseArea) && borderBottom.collidesWithPath(mouseArea))
226 m_resizeMode = BottomRight;
227 else if (borderLeft.collidesWithPath(mouseArea))
229 else if (borderRight.collidesWithPath(mouseArea))
230 m_resizeMode = Right;
231 else if (borderTop.collidesWithPath(mouseArea))
233 else if (borderBottom.collidesWithPath(mouseArea))
236 setCursor(Qt::ClosedHandCursor);
239 QGraphicsScene::mousePressEvent(e);
240 } else if (m_tool == TITLE_RECTANGLE) {
241 m_sceneClickPoint = e->scenePos();
242 m_selectedItem = NULL;
243 } else if (m_tool == TITLE_TEXT) {
244 m_selectedItem = addText(QString());
245 emit newText((QGraphicsTextItem *) m_selectedItem);
246 m_selectedItem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
247 ((QGraphicsTextItem *)m_selectedItem)->setTextInteractionFlags(Qt::TextEditorInteraction);
248 m_selectedItem->setPos(e->scenePos());
249 QGraphicsScene::mousePressEvent(e);
252 kDebug() << "////// MOUSE CLICK, RESIZE MODE: " << m_resizeMode;
256 void GraphicsSceneRectMove::clearTextSelection()
258 if (m_selectedItem && m_selectedItem->type() == 8) {
259 // disable text editing
260 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
261 t->textCursor().setPosition(0);
262 QTextBlock cur = t->textCursor().block();
263 t->setTextCursor(QTextCursor(cur));
264 t->setTextInteractionFlags(Qt::NoTextInteraction);
266 m_selectedItem = NULL;
271 void GraphicsSceneRectMove::mouseMoveEvent(QGraphicsSceneMouseEvent* e)
273 if ((e->screenPos() - m_clickPoint).manhattanLength() < QApplication::startDragDistance()) {
277 if (m_selectedItem && e->buttons() & Qt::LeftButton) {
278 if (m_selectedItem->type() == 3 || m_selectedItem->type() == 13 || m_selectedItem->type() == 7) {
280 if (m_selectedItem->type() == 3)
281 newrect = ((QGraphicsRectItem*)m_selectedItem)->rect();
283 newrect = m_selectedItem->boundingRect();
284 QPointF newpoint = e->scenePos();
286 * The vertices of the rectangle (check for matrix
287 * transformation); to be replaced by QTransform::map()?
289 QPointF itemOrigin = m_selectedItem->scenePos();
290 QTransform transform = m_selectedItem->transform();
291 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());
292 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());
293 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());
294 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());
295 // Convert the mouse coordinates applying inverted transformation
296 QPointF newPointRelative = newpoint - itemOrigin;
297 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());
299 * Will check if the mouse is on the right of the limit lines with a
300 * determinant (it must be less than zero because the Y axis is
303 int determinantH, determinantV;
304 switch (m_resizeMode) {
306 determinantV = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x());
307 determinantH = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x());
308 if (determinantV < 0) {
309 if (determinantH < 0) {
310 // resizePoint is not working for some reason
311 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())));
312 m_selectedItem->setPos(resizePoint + itemOrigin);
314 m_resizeMode = BottomLeft;
316 if (determinantH < 0)
317 m_resizeMode = TopRight;
319 m_resizeMode = BottomRight;
323 determinantV = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x());
324 determinantH = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x());
325 if (determinantV < 0) {
326 if (determinantH < 0) {
327 newrect.setBottomRight(QPointF(newrect.width() - resizePoint.x(), resizePoint.y()));
328 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()));
330 m_resizeMode = TopLeft;
332 if (determinantH < 0)
333 m_resizeMode = BottomRight;
335 m_resizeMode = TopRight;
339 determinantV = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x());
340 determinantH = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x());
341 if (determinantV < 0) {
342 if (determinantH < 0) {
343 newrect.setBottomRight(QPointF(resizePoint.x(), newrect.bottom() - resizePoint.y()));
344 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()));
346 m_resizeMode = BottomRight;
348 if (determinantH < 0)
349 m_resizeMode = TopLeft;
351 m_resizeMode = BottomLeft;
355 determinantV = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x());
356 determinantH = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x());
357 if (determinantV < 0) {
358 if (determinantH < 0)
359 newrect.setBottomRight(resizePoint);
361 m_resizeMode = TopRight;
363 if (determinantH < 0)
364 m_resizeMode = BottomLeft;
366 m_resizeMode = TopLeft;
370 determinantV = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x());
371 if (determinantV < 0) {
372 newrect.setRight(newrect.width() - resizePoint.x());
373 m_selectedItem->setPos(QPointF(transform.m11() * resizePoint.x() + transform.m31() + itemOrigin.x(), transform.m12() * resizePoint.x() + transform.m32() + itemOrigin.y()));
375 m_resizeMode = Right;
378 determinantV = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x());
379 if (determinantV < 0)
380 newrect.setRight(resizePoint.x());
385 determinantH = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x());
386 if (determinantH < 0) {
387 newrect.setBottom(newrect.bottom() - resizePoint.y());
388 m_selectedItem->setPos(QPointF(transform.m21() * resizePoint.y() + transform.m31() + itemOrigin.x(), transform.m22() * resizePoint.y() + transform.m32() + itemOrigin.y()));
393 determinantH = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x());
394 if (determinantH < 0)
395 newrect.setBottom(resizePoint.y());
400 QPointF diff = e->scenePos() - m_sceneClickPoint;
401 m_sceneClickPoint = e->scenePos();
402 m_selectedItem->moveBy(diff.x(), diff.y());
405 if (m_selectedItem->type() == 3 && m_resizeMode != NoResize) {
406 QGraphicsRectItem *gi = (QGraphicsRectItem*)m_selectedItem;
407 gi->setRect(newrect);
411 if (resizeMode == Left || resizeMode == Right ) s = m_selectedItem->boundingRect().width() / newrect.width();
412 else s = m_selectedItem->boundingRect().height() / newrect.height();
413 m_selectedItem->scale( 1 / s, 1 / s );
414 kDebug()<<"/// SCALING SVG, RESIZE MODE: "<<resizeMode<<", RECT:"<<m_selectedItem->boundingRect();
416 //gi->setPos(m_selectedItem->scenePos());
417 /*if (resizeMode == NoResize) {
418 QGraphicsScene::mouseMoveEvent(e);
421 } else if (m_selectedItem->type() == 8) {
422 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
423 if (t->textInteractionFlags() & Qt::TextEditorInteraction) {
424 QGraphicsScene::mouseMoveEvent(e);
427 QPointF diff = e->scenePos() - m_sceneClickPoint;
428 m_sceneClickPoint = e->scenePos();
429 m_selectedItem->moveBy(diff.x(), diff.y());
432 } else if (m_tool == TITLE_SELECT) {
433 QPointF p = e->scenePos();
435 m_resizeMode = NoResize;
436 bool itemFound = false;
437 foreach(const QGraphicsItem* g, items(QRectF(p , QSizeF(4, 4)).toRect())) {
438 if ((g->type() == 13 || g->type() == 7) && g->zValue() > -1000) {
440 setCursor(Qt::OpenHandCursor);
442 } else if (g->type() == 3 && g->zValue() > -1000) {
443 QRectF r = ((const QGraphicsRectItem*)g)->rect();
446 * The vertices of the rectangle (check for matrix
447 * transformation); to be replaced by QTransform::map()?
449 QPointF itemOrigin = g->scenePos();
450 QTransform transform = g->transform();
451 QPointF topLeft(transform.m11() * r.toRect().left() + transform.m21() * r.toRect().top() + transform.m31() + itemOrigin.x(), transform.m22() * r.toRect().top() + transform.m12() * r.toRect().left() + transform.m32() + itemOrigin.y());
452 QPointF bottomLeft(transform.m11() * r.toRect().left() + transform.m21() * r.toRect().bottom() + transform.m31() + itemOrigin.x(), transform.m22() * r.toRect().bottom() + transform.m12() * r.toRect().left() + transform.m32() + itemOrigin.y());
453 QPointF topRight(transform.m11() * r.toRect().right() + transform.m21() * r.toRect().top() + transform.m31() + itemOrigin.x(), transform.m22() * r.toRect().top() + transform.m12() * r.toRect().right() + transform.m32() + itemOrigin.y());
454 QPointF bottomRight(transform.m11() * r.toRect().right() + transform.m21() * r.toRect().bottom() + transform.m31() + itemOrigin.x(), transform.m22() * r.toRect().bottom() + transform.m12() * r.toRect().right() + transform.m32() + itemOrigin.y());
455 // The borders (using the transformed coordinates)
456 QGraphicsLineItem borderTop(topLeft.x(), topLeft.y(), topRight.x(), topRight.y());
457 QGraphicsLineItem borderRight(topRight.x(), topRight.y(), bottomRight.x(), bottomRight.y());
458 QGraphicsLineItem borderBottom(bottomRight.x(), bottomRight.y(), bottomLeft.x(), bottomLeft.y());
459 QGraphicsLineItem borderLeft(bottomLeft.x(), bottomLeft.y(), topLeft.x(), topLeft.y());
460 // The area interested by the mouse pointer
461 QPainterPath mouseArea;
462 mouseArea.addRect(e->scenePos().toPoint().x() - 4 / m_zoom, e->scenePos().toPoint().y() - 4 / m_zoom, 8 / m_zoom, 8 / m_zoom);
463 // Check for collisions between the mouse and the borders
464 if ((borderLeft.collidesWithPath(mouseArea) && borderTop.collidesWithPath(mouseArea)) || (borderRight.collidesWithPath(mouseArea) && borderBottom.collidesWithPath(mouseArea)))
465 setResizeCursor(borderLeft.line().angle() - 45);
466 else if ((borderLeft.collidesWithPath(mouseArea) && borderBottom.collidesWithPath(mouseArea)) || (borderRight.collidesWithPath(mouseArea) && borderTop.collidesWithPath(mouseArea)))
467 setResizeCursor(borderLeft.line().angle() + 45);
468 else if (borderLeft.collidesWithPath(mouseArea) || borderRight.collidesWithPath(mouseArea))
469 setResizeCursor(borderLeft.line().angle());
470 else if (borderTop.collidesWithPath(mouseArea) || borderBottom.collidesWithPath(mouseArea))
471 setResizeCursor(borderTop.line().angle());
473 setCursor(Qt::OpenHandCursor);
476 if (!itemFound) setCursor(Qt::ArrowCursor);
478 QGraphicsScene::mouseMoveEvent(e);
479 } else if (m_tool == TITLE_RECTANGLE && e->buttons() & Qt::LeftButton) {
480 if (m_selectedItem == NULL && (m_clickPoint - e->screenPos()).manhattanLength() >= QApplication::startDragDistance()) {
481 // create new rect item
482 m_selectedItem = addRect(0, 0, e->scenePos().x() - m_sceneClickPoint.x(), e->scenePos().y() - m_sceneClickPoint.y());
483 emit newRect((QGraphicsRectItem *) m_selectedItem);
484 m_selectedItem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
485 m_selectedItem->setPos(m_sceneClickPoint);
486 m_resizeMode = BottomRight;
487 QGraphicsScene::mouseMoveEvent(e);
492 void GraphicsSceneRectMove::wheelEvent(QGraphicsSceneWheelEvent * wheelEvent)
494 QList<QGraphicsView*> viewlist = views();
495 //kDebug() << wheelEvent->delta() << " " << zoom;
496 if (viewlist.size() > 0) {
497 if (wheelEvent->delta() < 0) emit sceneZoom(true);
498 else emit sceneZoom(false);
502 void GraphicsSceneRectMove::setScale(double s)
504 if (m_zoom < 1.0 / 7.0 && s < 1.0) return;
505 else if (m_zoom > 10.0 / 7.9 && s > 1.0) return;
506 QList<QGraphicsView*> viewlist = views();
507 if (viewlist.size() > 0) {
508 viewlist[0]->scale(s, s);
511 //kDebug()<<"////////// ZOOM: "<<zoom;
514 void GraphicsSceneRectMove::setZoom(double s)
516 QList<QGraphicsView*> viewlist = views();
517 if (viewlist.size() > 0) {
518 viewlist[0]->resetTransform();
519 viewlist[0]->scale(s, s);
523 //kDebug()<<"////////// ZOOM: "<<zoom;
526 void GraphicsSceneRectMove::setCursor(QCursor c)
528 const QList<QGraphicsView*> l = views();
529 foreach(QGraphicsView* v, l) {
534 void GraphicsSceneRectMove::setResizeCursor(qreal angle)
536 // % is not working...
541 if (angle > 157.5 || angle <= 22.5)
542 setCursor(Qt::SizeVerCursor);
543 else if (angle > 22.5 && angle <= 67.5)
544 setCursor(Qt::SizeFDiagCursor);
545 else if (angle > 67.5 && angle <= 112.5)
546 setCursor(Qt::SizeHorCursor);
547 else if (angle > 112.5 && angle <= 157.5)
548 setCursor(Qt::SizeBDiagCursor);