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);
75 void GraphicsSceneRectMove::keyPressEvent(QKeyEvent * keyEvent)
77 if (m_selectedItem == NULL) {
78 QGraphicsScene::keyPressEvent(keyEvent);
82 if (m_selectedItem->type() == 8) {
83 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
84 if (t->textInteractionFlags() & Qt::TextEditorInteraction) {
85 QGraphicsScene::keyPressEvent(keyEvent);
89 if (keyEvent->modifiers() & Qt::ControlModifier) diff = 10;
90 switch (keyEvent->key()) {
92 m_selectedItem->setPos(m_selectedItem->pos() - QPointF(diff, 0));
96 m_selectedItem->setPos(m_selectedItem->pos() + QPointF(diff, 0));
100 m_selectedItem->setPos(m_selectedItem->pos() - QPointF(0, diff));
104 m_selectedItem->setPos(m_selectedItem->pos() + QPointF(0, diff));
108 case Qt::Key_Backspace:
109 delete m_selectedItem;
110 m_selectedItem = NULL;
111 emit selectionChanged();
114 QGraphicsScene::keyPressEvent(keyEvent);
116 emit actionFinished();
119 void GraphicsSceneRectMove::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* e)
121 QPointF p = e->scenePos();
123 m_resizeMode = NoResize;
124 m_selectedItem = NULL;
126 // http://www.kdenlive.org/mantis/view.php?id=1035
127 QList<QGraphicsItem*> i = items(QRectF(p , QSizeF(4, 4)).toRect());
128 if (i.size() <= 0) return;
130 QGraphicsItem* g = i.at(0);
132 if (g->type() == 8) {
133 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(g);
135 t->setTextInteractionFlags(Qt::TextEditorInteraction);
136 } else emit doubleClickEvent();
138 QGraphicsScene::mouseDoubleClickEvent(e);
141 void GraphicsSceneRectMove::mouseReleaseEvent(QGraphicsSceneMouseEvent *e)
143 if (m_tool == TITLE_RECTANGLE && m_selectedItem) setSelectedItem(m_selectedItem);
144 QGraphicsScene::mouseReleaseEvent(e);
145 emit actionFinished();
148 void GraphicsSceneRectMove::mousePressEvent(QGraphicsSceneMouseEvent* e)
150 m_clickPoint = e->screenPos();
151 QPointF p = e->scenePos();
153 m_resizeMode = NoResize;
154 const QList <QGraphicsItem *> list = items(QRectF(p , QSizeF(4, 4)).toRect());
155 QGraphicsItem *item = NULL;
156 bool hasSelected = false;
158 if (m_tool == TITLE_SELECT) {
159 foreach(QGraphicsItem *g, list) {
160 kDebug() << " - - CHECKING ITEM Z:" << g->zValue() << ", TYPE: " << g->type();
161 // check is there is a selected item in list
162 if (g->zValue() > -1000 && g->isSelected()) {
169 if (m_selectedItem && m_selectedItem->type() == 8) {
170 // disable text editing
171 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
172 t->textCursor().setPosition(0);
173 QTextBlock cur = t->textCursor().block();
174 t->setTextCursor(QTextCursor(cur));
175 t->setTextInteractionFlags(Qt::NoTextInteraction);
177 m_selectedItem = NULL;
178 foreach(QGraphicsItem* g, list) {
179 if (g->zValue() > -1000) {
186 m_sceneClickPoint = e->scenePos();
187 m_selectedItem = item;
188 kDebug() << "///////// ITEM TYPE: " << item->type();
189 if (item->type() == 8) {
190 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(item);
191 if (t->textInteractionFlags() == Qt::TextEditorInteraction) {
192 QGraphicsScene::mousePressEvent(e);
195 t->setTextInteractionFlags(Qt::NoTextInteraction);
196 setCursor(Qt::ClosedHandCursor);
197 } else if (item->type() == 3 || item->type() == 13 || item->type() == 7) {
199 if (m_selectedItem->type() == 3)
200 r = ((QGraphicsRectItem*)m_selectedItem)->rect();
202 r = m_selectedItem->boundingRect();
204 * The vertices of the rectangle (check for matrix
205 * transformation); to be replaced by QTransform::map()?
207 QPointF itemOrigin = item->scenePos();
208 QTransform transform = item->transform();
209 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());
210 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());
211 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());
212 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());
213 // The borders (using the transformed coordinates)
214 QGraphicsLineItem borderTop(topLeft.x(), topLeft.y(), topRight.x(), topRight.y());
215 QGraphicsLineItem borderRight(topRight.x(), topRight.y(), bottomRight.x(), bottomRight.y());
216 QGraphicsLineItem borderBottom(bottomRight.x(), bottomRight.y(), bottomLeft.x(), bottomLeft.y());
217 QGraphicsLineItem borderLeft(bottomLeft.x(), bottomLeft.y(), topLeft.x(), topLeft.y());
218 // The area interested by the mouse pointer
219 QPainterPath mouseArea;
220 mouseArea.addRect(e->scenePos().toPoint().x() - 4 / m_zoom, e->scenePos().toPoint().y() - 4 / m_zoom, 8 / m_zoom, 8 / m_zoom);
221 // Check for collisions between the mouse and the borders
222 if (borderLeft.collidesWithPath(mouseArea) && borderTop.collidesWithPath(mouseArea))
223 m_resizeMode = TopLeft;
224 else if (borderLeft.collidesWithPath(mouseArea) && borderBottom.collidesWithPath(mouseArea))
225 m_resizeMode = BottomLeft;
226 else if (borderRight.collidesWithPath(mouseArea) && borderTop.collidesWithPath(mouseArea))
227 m_resizeMode = TopRight;
228 else if (borderRight.collidesWithPath(mouseArea) && borderBottom.collidesWithPath(mouseArea))
229 m_resizeMode = BottomRight;
230 else if (borderLeft.collidesWithPath(mouseArea))
232 else if (borderRight.collidesWithPath(mouseArea))
233 m_resizeMode = Right;
234 else if (borderTop.collidesWithPath(mouseArea))
236 else if (borderBottom.collidesWithPath(mouseArea))
239 setCursor(Qt::ClosedHandCursor);
242 QGraphicsScene::mousePressEvent(e);
243 } else if (m_tool == TITLE_RECTANGLE) {
244 m_sceneClickPoint = e->scenePos();
245 m_selectedItem = NULL;
246 } else if (m_tool == TITLE_TEXT) {
247 m_selectedItem = addText(QString());
248 emit newText((QGraphicsTextItem *) m_selectedItem);
249 m_selectedItem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
250 ((QGraphicsTextItem *)m_selectedItem)->setTextInteractionFlags(Qt::TextEditorInteraction);
251 m_selectedItem->setPos(e->scenePos());
252 QGraphicsScene::mousePressEvent(e);
255 kDebug() << "////// MOUSE CLICK, RESIZE MODE: " << m_resizeMode;
259 void GraphicsSceneRectMove::clearTextSelection()
261 if (m_selectedItem && m_selectedItem->type() == 8) {
262 // disable text editing
263 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
264 t->textCursor().setPosition(0);
265 QTextBlock cur = t->textCursor().block();
266 t->setTextCursor(QTextCursor(cur));
267 t->setTextInteractionFlags(Qt::NoTextInteraction);
269 m_selectedItem = NULL;
273 void GraphicsSceneRectMove::mouseMoveEvent(QGraphicsSceneMouseEvent* e)
275 if ((e->screenPos() - m_clickPoint).manhattanLength() < QApplication::startDragDistance()) {
279 if (m_selectedItem && e->buttons() & Qt::LeftButton) {
280 if (m_selectedItem->type() == 3 || m_selectedItem->type() == 13 || m_selectedItem->type() == 7) {
282 if (m_selectedItem->type() == 3)
283 newrect = ((QGraphicsRectItem*)m_selectedItem)->rect();
285 newrect = m_selectedItem->boundingRect();
286 QPointF newpoint = e->scenePos();
288 * The vertices of the rectangle (check for matrix
289 * transformation); to be replaced by QTransform::map()?
291 QPointF itemOrigin = m_selectedItem->scenePos();
292 QTransform transform = m_selectedItem->transform();
293 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());
294 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());
295 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());
296 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());
297 // Convert the mouse coordinates applying inverted transformation
298 QPointF newPointRelative = newpoint - itemOrigin;
299 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());
301 * Will check if the mouse is on the right of the limit lines with a
302 * determinant (it must be less than zero because the Y axis is
305 int determinantH, determinantV;
306 switch (m_resizeMode) {
308 determinantV = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x());
309 determinantH = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x());
310 if (determinantV < 0) {
311 if (determinantH < 0) {
312 // resizePoint is not working for some reason
313 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())));
314 m_selectedItem->setPos(resizePoint + itemOrigin);
316 m_resizeMode = BottomLeft;
318 if (determinantH < 0)
319 m_resizeMode = TopRight;
321 m_resizeMode = BottomRight;
325 determinantV = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x());
326 determinantH = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x());
327 if (determinantV < 0) {
328 if (determinantH < 0) {
329 newrect.setBottomRight(QPointF(newrect.width() - resizePoint.x(), resizePoint.y()));
330 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()));
332 m_resizeMode = TopLeft;
334 if (determinantH < 0)
335 m_resizeMode = BottomRight;
337 m_resizeMode = TopRight;
341 determinantV = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x());
342 determinantH = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x());
343 if (determinantV < 0) {
344 if (determinantH < 0) {
345 newrect.setBottomRight(QPointF(resizePoint.x(), newrect.bottom() - resizePoint.y()));
346 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()));
348 m_resizeMode = BottomRight;
350 if (determinantH < 0)
351 m_resizeMode = TopLeft;
353 m_resizeMode = BottomLeft;
357 determinantV = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x());
358 determinantH = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x());
359 if (determinantV < 0) {
360 if (determinantH < 0)
361 newrect.setBottomRight(resizePoint);
363 m_resizeMode = TopRight;
365 if (determinantH < 0)
366 m_resizeMode = BottomLeft;
368 m_resizeMode = TopLeft;
372 determinantV = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x());
373 if (determinantV < 0) {
374 newrect.setRight(newrect.width() - resizePoint.x());
375 m_selectedItem->setPos(QPointF(transform.m11() * resizePoint.x() + transform.m31() + itemOrigin.x(), transform.m12() * resizePoint.x() + transform.m32() + itemOrigin.y()));
377 m_resizeMode = Right;
380 determinantV = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x());
381 if (determinantV < 0)
382 newrect.setRight(resizePoint.x());
387 determinantH = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x());
388 if (determinantH < 0) {
389 newrect.setBottom(newrect.bottom() - resizePoint.y());
390 m_selectedItem->setPos(QPointF(transform.m21() * resizePoint.y() + transform.m31() + itemOrigin.x(), transform.m22() * resizePoint.y() + transform.m32() + itemOrigin.y()));
395 determinantH = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x());
396 if (determinantH < 0)
397 newrect.setBottom(resizePoint.y());
402 QPointF diff = e->scenePos() - m_sceneClickPoint;
403 m_sceneClickPoint = e->scenePos();
404 m_selectedItem->moveBy(diff.x(), diff.y());
407 if (m_selectedItem->type() == 3 && m_resizeMode != NoResize) {
408 QGraphicsRectItem *gi = (QGraphicsRectItem*)m_selectedItem;
409 gi->setRect(newrect);
413 if (resizeMode == Left || resizeMode == Right ) s = m_selectedItem->boundingRect().width() / newrect.width();
414 else s = m_selectedItem->boundingRect().height() / newrect.height();
415 m_selectedItem->scale( 1 / s, 1 / s );
416 kDebug()<<"/// SCALING SVG, RESIZE MODE: "<<resizeMode<<", RECT:"<<m_selectedItem->boundingRect();
418 //gi->setPos(m_selectedItem->scenePos());
419 /*if (resizeMode == NoResize) {
420 QGraphicsScene::mouseMoveEvent(e);
423 } else if (m_selectedItem->type() == 8) {
424 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
425 if (t->textInteractionFlags() & Qt::TextEditorInteraction) {
426 QGraphicsScene::mouseMoveEvent(e);
429 QPointF diff = e->scenePos() - m_sceneClickPoint;
430 m_sceneClickPoint = e->scenePos();
431 m_selectedItem->moveBy(diff.x(), diff.y());
434 } else if (m_tool == TITLE_SELECT) {
435 QPointF p = e->scenePos();
437 m_resizeMode = NoResize;
438 bool itemFound = false;
439 foreach(const QGraphicsItem* g, items(QRectF(p , QSizeF(4, 4)).toRect())) {
440 if ((g->type() == 13 || g->type() == 7) && g->zValue() > -1000) {
442 setCursor(Qt::OpenHandCursor);
444 } else if (g->type() == 3 && g->zValue() > -1000) {
445 QRectF r = ((const QGraphicsRectItem*)g)->rect();
448 * The vertices of the rectangle (check for matrix
449 * transformation); to be replaced by QTransform::map()?
451 QPointF itemOrigin = g->scenePos();
452 QTransform transform = g->transform();
453 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());
454 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());
455 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());
456 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());
457 // The borders (using the transformed coordinates)
458 QGraphicsLineItem borderTop(topLeft.x(), topLeft.y(), topRight.x(), topRight.y());
459 QGraphicsLineItem borderRight(topRight.x(), topRight.y(), bottomRight.x(), bottomRight.y());
460 QGraphicsLineItem borderBottom(bottomRight.x(), bottomRight.y(), bottomLeft.x(), bottomLeft.y());
461 QGraphicsLineItem borderLeft(bottomLeft.x(), bottomLeft.y(), topLeft.x(), topLeft.y());
462 // The area interested by the mouse pointer
463 QPainterPath mouseArea;
464 mouseArea.addRect(e->scenePos().toPoint().x() - 4 / m_zoom, e->scenePos().toPoint().y() - 4 / m_zoom, 8 / m_zoom, 8 / m_zoom);
465 // Check for collisions between the mouse and the borders
466 if ((borderLeft.collidesWithPath(mouseArea) && borderTop.collidesWithPath(mouseArea)) || (borderRight.collidesWithPath(mouseArea) && borderBottom.collidesWithPath(mouseArea)))
467 setResizeCursor(borderLeft.line().angle() - 45);
468 else if ((borderLeft.collidesWithPath(mouseArea) && borderBottom.collidesWithPath(mouseArea)) || (borderRight.collidesWithPath(mouseArea) && borderTop.collidesWithPath(mouseArea)))
469 setResizeCursor(borderLeft.line().angle() + 45);
470 else if (borderLeft.collidesWithPath(mouseArea) || borderRight.collidesWithPath(mouseArea))
471 setResizeCursor(borderLeft.line().angle());
472 else if (borderTop.collidesWithPath(mouseArea) || borderBottom.collidesWithPath(mouseArea))
473 setResizeCursor(borderTop.line().angle());
475 setCursor(Qt::OpenHandCursor);
478 if (!itemFound) setCursor(Qt::ArrowCursor);
480 QGraphicsScene::mouseMoveEvent(e);
481 } else if (m_tool == TITLE_RECTANGLE && e->buttons() & Qt::LeftButton) {
482 if (m_selectedItem == NULL && (m_clickPoint - e->screenPos()).manhattanLength() >= QApplication::startDragDistance()) {
483 // create new rect item
484 m_selectedItem = addRect(0, 0, e->scenePos().x() - m_sceneClickPoint.x(), e->scenePos().y() - m_sceneClickPoint.y());
485 emit newRect((QGraphicsRectItem *) m_selectedItem);
486 m_selectedItem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
487 m_selectedItem->setPos(m_sceneClickPoint);
488 m_resizeMode = BottomRight;
489 QGraphicsScene::mouseMoveEvent(e);
494 void GraphicsSceneRectMove::wheelEvent(QGraphicsSceneWheelEvent * wheelEvent)
496 QList<QGraphicsView*> viewlist = views();
497 //kDebug() << wheelEvent->delta() << " " << zoom;
498 if (viewlist.size() > 0) {
499 if (wheelEvent->delta() < 0) emit sceneZoom(true);
500 else emit sceneZoom(false);
504 void GraphicsSceneRectMove::setScale(double s)
506 if (m_zoom < 1.0 / 7.0 && s < 1.0) return;
507 else if (m_zoom > 10.0 / 7.9 && s > 1.0) return;
508 QList<QGraphicsView*> viewlist = views();
509 if (viewlist.size() > 0) {
510 viewlist[0]->scale(s, s);
513 //kDebug()<<"////////// ZOOM: "<<zoom;
516 void GraphicsSceneRectMove::setZoom(double s)
518 QList<QGraphicsView*> viewlist = views();
519 if (viewlist.size() > 0) {
520 viewlist[0]->resetTransform();
521 viewlist[0]->scale(s, s);
525 //kDebug()<<"////////// ZOOM: "<<zoom;
528 void GraphicsSceneRectMove::setCursor(QCursor c)
530 const QList<QGraphicsView*> l = views();
531 foreach(QGraphicsView* v, l) {
536 void GraphicsSceneRectMove::setResizeCursor(qreal angle)
538 // % is not working...
543 if (angle > 157.5 || angle <= 22.5)
544 setCursor(Qt::SizeVerCursor);
545 else if (angle > 22.5 && angle <= 67.5)
546 setCursor(Qt::SizeFDiagCursor);
547 else if (angle > 67.5 && angle <= 112.5)
548 setCursor(Qt::SizeHorCursor);
549 else if (angle > 112.5 && angle <= 157.5)
550 setCursor(Qt::SizeBDiagCursor);