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(QColor(0, 0, 0, 0)));
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);
89 void GraphicsSceneRectMove::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* e) {
90 QPointF p = e->scenePos();
92 resizeMode = NoResize;
93 m_selectedItem = NULL;
94 QGraphicsItem* g = items(QRectF(p , QSizeF(4, 4)).toRect()).at(0);
97 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(g);
98 t->setTextInteractionFlags(Qt::TextEditorInteraction);
101 QGraphicsScene::mouseDoubleClickEvent(e);
104 void GraphicsSceneRectMove::mouseReleaseEvent(QGraphicsSceneMouseEvent *e) {
105 if (m_tool == TITLE_RECTANGLE && m_selectedItem) setSelectedItem(m_selectedItem);
106 emit actionFinished();
107 QGraphicsScene::mouseReleaseEvent(e);
110 void GraphicsSceneRectMove::mousePressEvent(QGraphicsSceneMouseEvent* e) {
111 QPointF p = e->scenePos();
113 resizeMode = NoResize;
114 QList <QGraphicsItem *> list = items(QRectF(p , QSizeF(4, 4)).toRect());
115 QGraphicsItem *item = NULL;
116 bool hasSelected = false;
118 if (m_tool == TITLE_SELECT) {
119 foreach(QGraphicsItem *g, list) {
120 kDebug() << " - - CHECKING ITEM Z:" << g->zValue() << ", TYPE: " << g->type();
121 // check is there is a selected item in list
122 if (g->zValue() > -1000 && g->isSelected()) {
129 if (m_selectedItem && m_selectedItem->type() == 8) {
130 // disable text editing
131 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
132 t->setTextInteractionFlags(Qt::NoTextInteraction);
134 m_selectedItem = NULL;
135 foreach(QGraphicsItem* g, list) {
136 if (g->zValue() > -1000) {
143 m_clickPoint = e->scenePos();
144 m_selectedItem = item;
145 kDebug() << "///////// ITEM TYPE: " << item->type();
146 if (item->type() == 8) {
147 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(item);
148 if (t->textInteractionFlags() == Qt::TextEditorInteraction) {
149 QGraphicsScene::mousePressEvent(e);
152 t->setTextInteractionFlags(Qt::NoTextInteraction);
153 setCursor(Qt::ClosedHandCursor);
154 } else if (item->type() == 3 || item->type() == 13 || item->type() == 7) {
156 if (m_selectedItem->type() == 3) {
157 r = ((QGraphicsRectItem*)m_selectedItem)->rect();
158 } else r = m_selectedItem->boundingRect();
160 r.translate(item->scenePos());
161 if ((r.toRect().topLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
162 resizeMode = TopLeft;
163 } else if ((r.toRect().bottomLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
164 resizeMode = BottomLeft;
165 } else if ((r.toRect().topRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
166 resizeMode = TopRight;
167 } else if ((r.toRect().bottomRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
168 resizeMode = BottomRight;
169 } else if (qAbs(r.toRect().left() - e->scenePos().toPoint().x()) < 3 / zoom) {
171 } else if (qAbs(r.toRect().right() - e->scenePos().toPoint().x()) < 3 / zoom) {
173 } else if (qAbs(r.toRect().top() - e->scenePos().toPoint().y()) < 3 / zoom) {
175 } else if (qAbs(r.toRect().bottom() - e->scenePos().toPoint().y()) < 3 / zoom) {
177 } else setCursor(Qt::ClosedHandCursor);
180 QGraphicsScene::mousePressEvent(e);
181 } else if (m_tool == TITLE_RECTANGLE) {
182 m_clickPoint = e->scenePos();
183 m_selectedItem = NULL;
184 } else if (m_tool == TITLE_TEXT) {
185 m_selectedItem = addText(QString());
186 emit newText((QGraphicsTextItem *) m_selectedItem);
187 m_selectedItem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
188 ((QGraphicsTextItem *)m_selectedItem)->setTextInteractionFlags(Qt::TextEditorInteraction);
189 m_selectedItem->setPos(e->scenePos());
190 QGraphicsScene::mousePressEvent(e);
193 kDebug() << "////// MOUSE CLICK, RESIZE MODE: " << resizeMode;
199 void GraphicsSceneRectMove::mouseMoveEvent(QGraphicsSceneMouseEvent* e) {
201 if (m_selectedItem && e->buttons() & Qt::LeftButton) {
202 if (m_selectedItem->type() == 3 || m_selectedItem->type() == 13 || m_selectedItem->type() == 7) {
204 if (m_selectedItem->type() == 3) {
205 newrect = ((QGraphicsRectItem*)m_selectedItem)->rect();
206 } else newrect = m_selectedItem->boundingRect();
208 QPointF newpoint = e->scenePos();
209 //newpoint -= m_selectedItem->scenePos();
210 switch (resizeMode) {
212 newrect.setBottomRight(newrect.bottomRight() + m_selectedItem->pos() - newpoint);
213 m_selectedItem->setPos(newpoint);
216 newrect.setBottomRight(QPointF(newrect.bottomRight().x() + m_selectedItem->pos().x() - newpoint.x(), newpoint.y() - m_selectedItem->pos().y()));
217 m_selectedItem->setPos(QPointF(newpoint.x(), m_selectedItem->pos().y()));
220 newrect.setBottomRight(QPointF(newpoint.x() - m_selectedItem->pos().x(), newrect.bottom() + m_selectedItem->pos().y() - newpoint.y()));
221 m_selectedItem->setPos(QPointF(m_selectedItem->pos().x(), newpoint.y()));
224 newrect.setBottomRight(newpoint - m_selectedItem->pos());
227 newrect.setRight(m_selectedItem->pos().x() + newrect.width() - newpoint.x());
228 m_selectedItem->setPos(QPointF(newpoint.x(), m_selectedItem->pos().y()));
231 newrect.setRight(newpoint.x() - m_selectedItem->pos().x());
234 newrect.setBottom(m_selectedItem->pos().y() + newrect.bottom() - newpoint.y());
235 m_selectedItem->setPos(QPointF(m_selectedItem->pos().x(), newpoint.y()));
238 newrect.setBottom(newpoint.y() - m_selectedItem->pos().y());
241 QPointF diff = e->scenePos() - m_clickPoint;
242 m_clickPoint = e->scenePos();
243 m_selectedItem->moveBy(diff.x(), diff.y());
246 if (m_selectedItem->type() == 3 && resizeMode != NoResize) {
247 QGraphicsRectItem *gi = (QGraphicsRectItem*)m_selectedItem;
248 gi->setRect(newrect);
252 if (resizeMode == Left || resizeMode == Right ) s = m_selectedItem->boundingRect().width() / newrect.width();
253 else s = m_selectedItem->boundingRect().height() / newrect.height();
254 m_selectedItem->scale( 1 / s, 1 / s );
255 kDebug()<<"/// SCALING SVG, RESIZE MODE: "<<resizeMode<<", RECT:"<<m_selectedItem->boundingRect();
257 //gi->setPos(m_selectedItem->scenePos());
258 /*if (resizeMode == NoResize) {
259 QGraphicsScene::mouseMoveEvent(e);
262 } else if (m_selectedItem->type() == 8) {
263 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
264 if (t->textInteractionFlags() & Qt::TextEditorInteraction) {
265 QGraphicsScene::mouseMoveEvent(e);
268 QPointF diff = e->scenePos() - m_clickPoint;
269 m_clickPoint = e->scenePos();
270 m_selectedItem->moveBy(diff.x(), diff.y());
273 } else if (m_tool == TITLE_SELECT) {
275 QPointF p = e->scenePos();
277 resizeMode = NoResize;
278 bool itemFound = false;
279 foreach(const QGraphicsItem* g, items(QRectF(p , QSizeF(4, 4)).toRect())) {
280 if ((g->type() == 13 || g->type() == 7) && g->zValue() > -1000) {
282 setCursor(Qt::OpenHandCursor);
284 } else if (g->type() == 3 && g->zValue() > -1000) {
285 QRectF r = ((QGraphicsRectItem*)g)->rect();
286 r.translate(g->scenePos());
288 if ((r.toRect().topLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
289 setCursor(QCursor(Qt::SizeFDiagCursor));
290 } else if ((r.toRect().bottomLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
291 setCursor(QCursor(Qt::SizeBDiagCursor));
292 } else if ((r.toRect().topRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
293 setCursor(QCursor(Qt::SizeBDiagCursor));
294 } else if ((r.toRect().bottomRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
295 setCursor(QCursor(Qt::SizeFDiagCursor));
296 } else if (qAbs(r.toRect().left() - e->scenePos().toPoint().x()) < 3 / zoom) {
297 setCursor(Qt::SizeHorCursor);
298 } else if (qAbs(r.toRect().right() - e->scenePos().toPoint().x()) < 3 / zoom) {
299 setCursor(Qt::SizeHorCursor);
300 } else if (qAbs(r.toRect().top() - e->scenePos().toPoint().y()) < 3 / zoom) {
301 setCursor(Qt::SizeVerCursor);
302 } else if (qAbs(r.toRect().bottom() - e->scenePos().toPoint().y()) < 3 / zoom) {
303 setCursor(Qt::SizeVerCursor);
304 } else setCursor(Qt::OpenHandCursor);
307 if (!itemFound) setCursor(Qt::ArrowCursor);
309 QGraphicsScene::mouseMoveEvent(e);
310 } else if (m_tool == TITLE_RECTANGLE && e->buttons() & Qt::LeftButton) {
311 if (m_selectedItem == NULL && (m_clickPoint.toPoint() - e->scenePos().toPoint()).manhattanLength() >= QApplication::startDragDistance()) {
312 // create new rect item
313 m_selectedItem = addRect(0, 0, e->scenePos().x() - m_clickPoint.x(), e->scenePos().y() - m_clickPoint.y());
314 emit newRect((QGraphicsRectItem *) m_selectedItem);
315 m_selectedItem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
316 m_selectedItem->setPos(m_clickPoint);
317 resizeMode = BottomRight;
318 QGraphicsScene::mouseMoveEvent(e);
323 void GraphicsSceneRectMove::wheelEvent(QGraphicsSceneWheelEvent * wheelEvent) {
324 QList<QGraphicsView*> viewlist = views();
325 //kDebug() << wheelEvent->delta() << " " << zoom;
327 if (viewlist.size() > 0) {
328 if (wheelEvent->delta() < 0) emit sceneZoom(true);
329 else emit sceneZoom(false);
333 void GraphicsSceneRectMove::setScale(double s) {
334 if (zoom < 1.0 / 7.0 && s < 1.0) return;
335 else if (zoom > 10.0 / 7.9 && s > 1.0) return;
336 QList<QGraphicsView*> viewlist = views();
337 if (viewlist.size() > 0) {
338 viewlist[0]->scale(s, s);
341 //kDebug()<<"////////// ZOOM: "<<zoom;
344 void GraphicsSceneRectMove::setZoom(double s) {
345 QList<QGraphicsView*> viewlist = views();
346 if (viewlist.size() > 0) {
347 viewlist[0]->resetTransform();
348 viewlist[0]->scale(s, s);
352 //kDebug()<<"////////// ZOOM: "<<zoom;
355 void GraphicsSceneRectMove::setCursor(QCursor c) {
356 QList<QGraphicsView*> l = views();
357 foreach(QGraphicsView* v, l) {