3 #include <QGraphicsSceneMouseEvent>
4 #include <QGraphicsRectItem>
5 #include <QGraphicsSvgItem>
6 #include <QGraphicsView>
10 #include <QApplication>
12 #include "graphicsscenerectmove.h"
14 GraphicsSceneRectMove::GraphicsSceneRectMove(QObject *parent): QGraphicsScene(parent), m_selectedItem(NULL), resizeMode(NoResize), m_tool(TITLE_RECTANGLE) {
17 setBackgroundBrush(QBrush(Qt::transparent));
20 void GraphicsSceneRectMove::setSelectedItem(QGraphicsItem *item) {
22 m_selectedItem = item;
23 item->setSelected(true);
27 TITLETOOL GraphicsSceneRectMove::tool() {
31 void GraphicsSceneRectMove::setTool(TITLETOOL tool) {
35 setCursor(Qt::CrossCursor);
38 setCursor(Qt::IBeamCursor);
41 setCursor(Qt::ArrowCursor);
46 void GraphicsSceneRectMove::keyPressEvent(QKeyEvent * keyEvent) {
47 if (m_selectedItem == NULL) {
48 QGraphicsScene::keyPressEvent(keyEvent);
52 if (m_selectedItem->type() == 8) {
53 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
54 if (t->textInteractionFlags() & Qt::TextEditorInteraction) {
55 QGraphicsScene::keyPressEvent(keyEvent);
59 if (keyEvent->modifiers() & Qt::ControlModifier) diff = 10;
60 switch (keyEvent->key()) {
62 m_selectedItem->setPos(m_selectedItem->pos() - QPointF(diff, 0));
66 m_selectedItem->setPos(m_selectedItem->pos() + QPointF(diff, 0));
70 m_selectedItem->setPos(m_selectedItem->pos() - QPointF(0, diff));
74 m_selectedItem->setPos(m_selectedItem->pos() + QPointF(0, diff));
78 case Qt::Key_Backspace:
79 delete m_selectedItem;
80 m_selectedItem = NULL;
81 emit selectionChanged();
84 QGraphicsScene::keyPressEvent(keyEvent);
86 emit actionFinished();
90 void GraphicsSceneRectMove::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* e) {
91 QPointF p = e->scenePos();
93 resizeMode = NoResize;
94 m_selectedItem = NULL;
95 QGraphicsItem* g = items(QRectF(p , QSizeF(4, 4)).toRect()).at(0);
98 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(g);
99 t->setTextInteractionFlags(Qt::TextEditorInteraction);
102 QGraphicsScene::mouseDoubleClickEvent(e);
105 void GraphicsSceneRectMove::mouseReleaseEvent(QGraphicsSceneMouseEvent *e) {
106 if (m_tool == TITLE_RECTANGLE && m_selectedItem) setSelectedItem(m_selectedItem);
107 emit actionFinished();
108 QGraphicsScene::mouseReleaseEvent(e);
111 void GraphicsSceneRectMove::mousePressEvent(QGraphicsSceneMouseEvent* e) {
112 QPointF p = e->scenePos();
114 resizeMode = NoResize;
115 const QList <QGraphicsItem *> list = items(QRectF(p , QSizeF(4, 4)).toRect());
116 QGraphicsItem *item = NULL;
117 bool hasSelected = false;
119 if (m_tool == TITLE_SELECT) {
120 foreach(QGraphicsItem *g, list) {
121 kDebug() << " - - CHECKING ITEM Z:" << g->zValue() << ", TYPE: " << g->type();
122 // check is there is a selected item in list
123 if (g->zValue() > -1000 && g->isSelected()) {
130 if (m_selectedItem && m_selectedItem->type() == 8) {
131 // disable text editing
132 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
133 t->setTextInteractionFlags(Qt::NoTextInteraction);
135 m_selectedItem = NULL;
136 foreach(QGraphicsItem* g, list) {
137 if (g->zValue() > -1000) {
144 m_clickPoint = e->scenePos();
145 m_selectedItem = item;
146 kDebug() << "///////// ITEM TYPE: " << item->type();
147 if (item->type() == 8) {
148 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(item);
149 if (t->textInteractionFlags() == Qt::TextEditorInteraction) {
150 QGraphicsScene::mousePressEvent(e);
153 t->setTextInteractionFlags(Qt::NoTextInteraction);
154 setCursor(Qt::ClosedHandCursor);
155 } else if (item->type() == 3 || item->type() == 13 || item->type() == 7) {
157 if (m_selectedItem->type() == 3) {
158 r = ((QGraphicsRectItem*)m_selectedItem)->rect();
159 } else r = m_selectedItem->boundingRect();
161 r.translate(item->scenePos());
162 if ((r.toRect().topLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
163 resizeMode = TopLeft;
164 } else if ((r.toRect().bottomLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
165 resizeMode = BottomLeft;
166 } else if ((r.toRect().topRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
167 resizeMode = TopRight;
168 } else if ((r.toRect().bottomRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
169 resizeMode = BottomRight;
170 } else if (qAbs(r.toRect().left() - e->scenePos().toPoint().x()) < 3 / zoom) {
172 } else if (qAbs(r.toRect().right() - e->scenePos().toPoint().x()) < 3 / zoom) {
174 } else if (qAbs(r.toRect().top() - e->scenePos().toPoint().y()) < 3 / zoom) {
176 } else if (qAbs(r.toRect().bottom() - e->scenePos().toPoint().y()) < 3 / zoom) {
178 } else setCursor(Qt::ClosedHandCursor);
181 QGraphicsScene::mousePressEvent(e);
182 } else if (m_tool == TITLE_RECTANGLE) {
183 m_clickPoint = e->scenePos();
184 m_selectedItem = NULL;
185 } else if (m_tool == TITLE_TEXT) {
186 m_selectedItem = addText(QString());
187 emit newText((QGraphicsTextItem *) m_selectedItem);
188 m_selectedItem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
189 ((QGraphicsTextItem *)m_selectedItem)->setTextInteractionFlags(Qt::TextEditorInteraction);
190 m_selectedItem->setPos(e->scenePos());
191 QGraphicsScene::mousePressEvent(e);
194 kDebug() << "////// MOUSE CLICK, RESIZE MODE: " << resizeMode;
200 void GraphicsSceneRectMove::mouseMoveEvent(QGraphicsSceneMouseEvent* e) {
202 if (m_selectedItem && e->buttons() & Qt::LeftButton) {
203 if (m_selectedItem->type() == 3 || m_selectedItem->type() == 13 || m_selectedItem->type() == 7) {
205 if (m_selectedItem->type() == 3) {
206 newrect = ((QGraphicsRectItem*)m_selectedItem)->rect();
207 } else newrect = m_selectedItem->boundingRect();
209 QPointF newpoint = e->scenePos();
210 //newpoint -= m_selectedItem->scenePos();
211 switch (resizeMode) {
213 newrect.setBottomRight(newrect.bottomRight() + m_selectedItem->pos() - newpoint);
214 m_selectedItem->setPos(newpoint);
217 newrect.setBottomRight(QPointF(newrect.bottomRight().x() + m_selectedItem->pos().x() - newpoint.x(), newpoint.y() - m_selectedItem->pos().y()));
218 m_selectedItem->setPos(QPointF(newpoint.x(), m_selectedItem->pos().y()));
221 newrect.setBottomRight(QPointF(newpoint.x() - m_selectedItem->pos().x(), newrect.bottom() + m_selectedItem->pos().y() - newpoint.y()));
222 m_selectedItem->setPos(QPointF(m_selectedItem->pos().x(), newpoint.y()));
225 newrect.setBottomRight(newpoint - m_selectedItem->pos());
228 newrect.setRight(m_selectedItem->pos().x() + newrect.width() - newpoint.x());
229 m_selectedItem->setPos(QPointF(newpoint.x(), m_selectedItem->pos().y()));
232 newrect.setRight(newpoint.x() - m_selectedItem->pos().x());
235 newrect.setBottom(m_selectedItem->pos().y() + newrect.bottom() - newpoint.y());
236 m_selectedItem->setPos(QPointF(m_selectedItem->pos().x(), newpoint.y()));
239 newrect.setBottom(newpoint.y() - m_selectedItem->pos().y());
242 QPointF diff = e->scenePos() - m_clickPoint;
243 m_clickPoint = e->scenePos();
244 m_selectedItem->moveBy(diff.x(), diff.y());
247 if (m_selectedItem->type() == 3 && resizeMode != NoResize) {
248 QGraphicsRectItem *gi = (QGraphicsRectItem*)m_selectedItem;
249 gi->setRect(newrect);
253 if (resizeMode == Left || resizeMode == Right ) s = m_selectedItem->boundingRect().width() / newrect.width();
254 else s = m_selectedItem->boundingRect().height() / newrect.height();
255 m_selectedItem->scale( 1 / s, 1 / s );
256 kDebug()<<"/// SCALING SVG, RESIZE MODE: "<<resizeMode<<", RECT:"<<m_selectedItem->boundingRect();
258 //gi->setPos(m_selectedItem->scenePos());
259 /*if (resizeMode == NoResize) {
260 QGraphicsScene::mouseMoveEvent(e);
263 } else if (m_selectedItem->type() == 8) {
264 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
265 if (t->textInteractionFlags() & Qt::TextEditorInteraction) {
266 QGraphicsScene::mouseMoveEvent(e);
269 QPointF diff = e->scenePos() - m_clickPoint;
270 m_clickPoint = e->scenePos();
271 m_selectedItem->moveBy(diff.x(), diff.y());
274 } else if (m_tool == TITLE_SELECT) {
276 QPointF p = e->scenePos();
278 resizeMode = NoResize;
279 bool itemFound = false;
280 foreach(const QGraphicsItem* g, items(QRectF(p , QSizeF(4, 4)).toRect())) {
281 if ((g->type() == 13 || g->type() == 7) && g->zValue() > -1000) {
283 setCursor(Qt::OpenHandCursor);
285 } else if (g->type() == 3 && g->zValue() > -1000) {
286 QRectF r = ((QGraphicsRectItem*)g)->rect();
287 r.translate(g->scenePos());
289 if ((r.toRect().topLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
290 setCursor(QCursor(Qt::SizeFDiagCursor));
291 } else if ((r.toRect().bottomLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
292 setCursor(QCursor(Qt::SizeBDiagCursor));
293 } else if ((r.toRect().topRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
294 setCursor(QCursor(Qt::SizeBDiagCursor));
295 } else if ((r.toRect().bottomRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
296 setCursor(QCursor(Qt::SizeFDiagCursor));
297 } else if (qAbs(r.toRect().left() - e->scenePos().toPoint().x()) < 3 / zoom) {
298 setCursor(Qt::SizeHorCursor);
299 } else if (qAbs(r.toRect().right() - e->scenePos().toPoint().x()) < 3 / zoom) {
300 setCursor(Qt::SizeHorCursor);
301 } else if (qAbs(r.toRect().top() - e->scenePos().toPoint().y()) < 3 / zoom) {
302 setCursor(Qt::SizeVerCursor);
303 } else if (qAbs(r.toRect().bottom() - e->scenePos().toPoint().y()) < 3 / zoom) {
304 setCursor(Qt::SizeVerCursor);
305 } else setCursor(Qt::OpenHandCursor);
308 if (!itemFound) setCursor(Qt::ArrowCursor);
310 QGraphicsScene::mouseMoveEvent(e);
311 } else if (m_tool == TITLE_RECTANGLE && e->buttons() & Qt::LeftButton) {
312 if (m_selectedItem == NULL && (m_clickPoint.toPoint() - e->scenePos().toPoint()).manhattanLength() >= QApplication::startDragDistance()) {
313 // create new rect item
314 m_selectedItem = addRect(0, 0, e->scenePos().x() - m_clickPoint.x(), e->scenePos().y() - m_clickPoint.y());
315 emit newRect((QGraphicsRectItem *) m_selectedItem);
316 m_selectedItem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
317 m_selectedItem->setPos(m_clickPoint);
318 resizeMode = BottomRight;
319 QGraphicsScene::mouseMoveEvent(e);
324 void GraphicsSceneRectMove::wheelEvent(QGraphicsSceneWheelEvent * wheelEvent) {
325 QList<QGraphicsView*> viewlist = views();
326 //kDebug() << wheelEvent->delta() << " " << zoom;
328 if (viewlist.size() > 0) {
329 if (wheelEvent->delta() < 0) emit sceneZoom(true);
330 else emit sceneZoom(false);
334 void GraphicsSceneRectMove::setScale(double s) {
335 if (zoom < 1.0 / 7.0 && s < 1.0) return;
336 else if (zoom > 10.0 / 7.9 && s > 1.0) return;
337 QList<QGraphicsView*> viewlist = views();
338 if (viewlist.size() > 0) {
339 viewlist[0]->scale(s, s);
342 //kDebug()<<"////////// ZOOM: "<<zoom;
345 void GraphicsSceneRectMove::setZoom(double s) {
346 QList<QGraphicsView*> viewlist = views();
347 if (viewlist.size() > 0) {
348 viewlist[0]->resetTransform();
349 viewlist[0]->scale(s, s);
353 //kDebug()<<"////////// ZOOM: "<<zoom;
356 void GraphicsSceneRectMove::setCursor(QCursor c) {
357 const QList<QGraphicsView*> l = views();
358 foreach(QGraphicsView* v, l) {