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 (keyEvent->modifiers() & Qt::ControlModifier) diff = 10;
53 switch (keyEvent->key()) {
55 m_selectedItem->setPos(m_selectedItem->pos() - QPointF(diff, 0));
59 m_selectedItem->setPos(m_selectedItem->pos() + QPointF(diff, 0));
63 m_selectedItem->setPos(m_selectedItem->pos() - QPointF(0, diff));
67 m_selectedItem->setPos(m_selectedItem->pos() + QPointF(0, diff));
71 case Qt::Key_Backspace:
72 delete m_selectedItem;
73 m_selectedItem = NULL;
74 emit selectionChanged();
77 QGraphicsScene::keyPressEvent(keyEvent);
82 void GraphicsSceneRectMove::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* e) {
83 QPointF p = e->scenePos();
85 resizeMode = NoResize;
86 m_selectedItem = NULL;
87 QGraphicsItem* g = items(QRectF(p , QSizeF(4, 4)).toRect()).at(0);
90 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(g);
91 t->setTextInteractionFlags(Qt::TextEditorInteraction);
94 QGraphicsScene::mouseDoubleClickEvent(e);
97 void GraphicsSceneRectMove::mouseReleaseEvent(QGraphicsSceneMouseEvent *e) {
98 if (m_tool == TITLE_RECTANGLE && m_selectedItem) setSelectedItem(m_selectedItem);
99 emit actionFinished();
100 QGraphicsScene::mouseReleaseEvent(e);
103 void GraphicsSceneRectMove::mousePressEvent(QGraphicsSceneMouseEvent* e) {
104 QPointF p = e->scenePos();
106 resizeMode = NoResize;
107 QList <QGraphicsItem *> list = items(QRectF(p , QSizeF(4, 4)).toRect());
108 QGraphicsItem *item = NULL;
109 bool hasSelected = false;
111 if (m_tool == TITLE_SELECT) {
112 foreach(QGraphicsItem *g, list) {
113 kDebug() << " - - CHECKING ITEM Z:" << g->zValue() << ", TYPE: " << g->type();
114 // check is there is a selected item in list
115 if (g->zValue() > -1000 && g->isSelected()) {
122 if (m_selectedItem && m_selectedItem->type() == 8) {
123 // disable text editing
124 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
125 t->setTextInteractionFlags(Qt::NoTextInteraction);
127 m_selectedItem = NULL;
128 foreach(QGraphicsItem* g, list) {
129 if (g->zValue() > -1000) {
136 m_clickPoint = e->scenePos();
137 m_selectedItem = item;
138 kDebug() << "///////// ITEM TYPE: " << item->type();
139 if (item->type() == 8) {
140 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(item);
141 if (t->textInteractionFlags() == Qt::TextEditorInteraction) {
142 QGraphicsScene::mousePressEvent(e);
145 t->setTextInteractionFlags(Qt::NoTextInteraction);
146 setCursor(Qt::ClosedHandCursor);
147 } else if (item->type() == 3 || item->type() == 13 || item->type() == 7) {
148 QRectF r = item->boundingRect();
149 r.translate(item->scenePos());
150 if ((r.toRect().topLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
151 resizeMode = TopLeft;
152 } else if ((r.toRect().bottomLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
153 resizeMode = BottomLeft;
154 } else if ((r.toRect().topRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
155 resizeMode = TopRight;
156 } else if ((r.toRect().bottomRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
157 resizeMode = BottomRight;
158 } else if (qAbs(r.toRect().left() - e->scenePos().toPoint().x()) < 3 / zoom) {
160 } else if (qAbs(r.toRect().right() - e->scenePos().toPoint().x()) < 3 / zoom) {
162 } else if (qAbs(r.toRect().top() - e->scenePos().toPoint().y()) < 3 / zoom) {
164 } else if (qAbs(r.toRect().bottom() - e->scenePos().toPoint().y()) < 3 / zoom) {
166 } else setCursor(Qt::ClosedHandCursor);
169 QGraphicsScene::mousePressEvent(e);
170 } else if (m_tool == TITLE_RECTANGLE) {
171 m_clickPoint = e->scenePos();
172 m_selectedItem = NULL;
173 } else if (m_tool == TITLE_TEXT) {
174 m_selectedItem = addText(QString());
175 emit newText((QGraphicsTextItem *) m_selectedItem);
176 m_selectedItem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
177 ((QGraphicsTextItem *)m_selectedItem)->setTextInteractionFlags(Qt::TextEditorInteraction);
178 m_selectedItem->setPos(e->scenePos());
179 QGraphicsScene::mousePressEvent(e);
182 kDebug() << "////// MOUSE CLICK, RESIZE MODE: " << resizeMode;
188 void GraphicsSceneRectMove::mouseMoveEvent(QGraphicsSceneMouseEvent* e) {
190 if (m_selectedItem && e->buttons() & Qt::LeftButton) {
191 if (m_selectedItem->type() == 3 || m_selectedItem->type() == 13 || m_selectedItem->type() == 7) {
192 QRectF newrect = m_selectedItem->boundingRect();
193 QPointF newpoint = e->scenePos();
194 //newpoint -= m_selectedItem->scenePos();
195 switch (resizeMode) {
197 newrect.setBottomRight(newrect.bottomRight() + m_selectedItem->pos() - newpoint);
198 m_selectedItem->setPos(newpoint);
201 newrect.setBottomRight(QPointF(newrect.bottomRight().x() + m_selectedItem->pos().x() - newpoint.x(), newpoint.y() - m_selectedItem->pos().y()));
202 m_selectedItem->setPos(QPointF(newpoint.x(), m_selectedItem->pos().y()));
205 newrect.setBottomRight(QPointF(newpoint.x() - m_selectedItem->pos().x(), newrect.bottom() + m_selectedItem->pos().y() - newpoint.y()));
206 m_selectedItem->setPos(QPointF(m_selectedItem->pos().x(), newpoint.y()));
209 newrect.setBottomRight(newpoint - m_selectedItem->pos());
212 newrect.setRight(m_selectedItem->pos().x() + newrect.width() - newpoint.x());
213 m_selectedItem->setPos(QPointF(newpoint.x(), m_selectedItem->pos().y()));
216 newrect.setRight(newpoint.x() - m_selectedItem->pos().x());
219 newrect.setBottom(m_selectedItem->pos().y() + newrect.bottom() - newpoint.y());
220 m_selectedItem->setPos(QPointF(m_selectedItem->pos().x(), newpoint.y()));
223 newrect.setBottom(newpoint.y() - m_selectedItem->pos().y());
226 QPointF diff = e->scenePos() - m_clickPoint;
227 m_clickPoint = e->scenePos();
228 m_selectedItem->moveBy(diff.x(), diff.y());
231 if (m_selectedItem->type() == 3) {
232 QGraphicsRectItem *gi = (QGraphicsRectItem*)m_selectedItem;
233 gi->setRect(newrect);
237 if (resizeMode == Left || resizeMode == Right ) s = m_selectedItem->boundingRect().width() / newrect.width();
238 else s = m_selectedItem->boundingRect().height() / newrect.height();
239 m_selectedItem->scale( 1 / s, 1 / s );
240 kDebug()<<"/// SCALING SVG, RESIZE MODE: "<<resizeMode<<", RECT:"<<m_selectedItem->boundingRect();
242 //gi->setPos(m_selectedItem->scenePos());
243 /*if (resizeMode == NoResize) {
244 QGraphicsScene::mouseMoveEvent(e);
247 } else if (m_selectedItem->type() == 8) {
248 QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(m_selectedItem);
249 if (t->textInteractionFlags() & Qt::TextEditorInteraction) {
250 QGraphicsScene::mouseMoveEvent(e);
253 QPointF diff = e->scenePos() - m_clickPoint;
254 m_clickPoint = e->scenePos();
255 m_selectedItem->moveBy(diff.x(), diff.y());
258 } else if (m_tool == TITLE_SELECT) {
260 QPointF p = e->scenePos();
262 resizeMode = NoResize;
263 bool itemFound = false;
264 foreach(const QGraphicsItem* g, items(QRectF(p , QSizeF(4, 4)).toRect())) {
265 if ((g->type() == 13 || g->type() == 7) && g->zValue() > -1000) {
267 setCursor(Qt::OpenHandCursor);
269 } else if (g->type() == 3 && g->zValue() > -1000) {
270 QRectF r = g->boundingRect();
271 r.translate(g->scenePos());
273 if ((r.toRect().topLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
274 setCursor(QCursor(Qt::SizeFDiagCursor));
275 } else if ((r.toRect().bottomLeft() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
276 setCursor(QCursor(Qt::SizeBDiagCursor));
277 } else if ((r.toRect().topRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
278 setCursor(QCursor(Qt::SizeBDiagCursor));
279 } else if ((r.toRect().bottomRight() - e->scenePos().toPoint()).manhattanLength() < 6 / zoom) {
280 setCursor(QCursor(Qt::SizeFDiagCursor));
281 } else if (qAbs(r.toRect().left() - e->scenePos().toPoint().x()) < 3 / zoom) {
282 setCursor(Qt::SizeHorCursor);
283 } else if (qAbs(r.toRect().right() - e->scenePos().toPoint().x()) < 3 / zoom) {
284 setCursor(Qt::SizeHorCursor);
285 } else if (qAbs(r.toRect().top() - e->scenePos().toPoint().y()) < 3 / zoom) {
286 setCursor(Qt::SizeVerCursor);
287 } else if (qAbs(r.toRect().bottom() - e->scenePos().toPoint().y()) < 3 / zoom) {
288 setCursor(Qt::SizeVerCursor);
289 } else setCursor(Qt::OpenHandCursor);
292 if (!itemFound) setCursor(Qt::ArrowCursor);
294 QGraphicsScene::mouseMoveEvent(e);
295 } else if (m_tool == TITLE_RECTANGLE && e->buttons() & Qt::LeftButton) {
296 if (m_selectedItem == NULL && (m_clickPoint.toPoint() - e->scenePos().toPoint()).manhattanLength() >= QApplication::startDragDistance()) {
297 // create new rect item
298 m_selectedItem = addRect(0, 0, e->scenePos().x() - m_clickPoint.x(), e->scenePos().y() - m_clickPoint.y());
299 emit newRect((QGraphicsRectItem *) m_selectedItem);
300 m_selectedItem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
301 m_selectedItem->setPos(m_clickPoint);
302 resizeMode = BottomRight;
303 QGraphicsScene::mouseMoveEvent(e);
308 void GraphicsSceneRectMove::wheelEvent(QGraphicsSceneWheelEvent * wheelEvent) {
309 QList<QGraphicsView*> viewlist = views();
310 //kDebug() << wheelEvent->delta() << " " << zoom;
312 if (viewlist.size() > 0) {
313 if (wheelEvent->delta() < 0) emit sceneZoom(true);
314 else emit sceneZoom(false);
318 void GraphicsSceneRectMove::setScale(double s) {
319 if (zoom < 1.0 / 7.0 && s < 1.0) return;
320 else if (zoom > 10.0 / 7.9 && s > 1.0) return;
321 QList<QGraphicsView*> viewlist = views();
322 if (viewlist.size() > 0) {
323 viewlist[0]->scale(s, s);
326 //kDebug()<<"////////// ZOOM: "<<zoom;
329 void GraphicsSceneRectMove::setZoom(double s) {
330 QList<QGraphicsView*> viewlist = views();
331 if (viewlist.size() > 0) {
332 viewlist[0]->resetTransform();
333 viewlist[0]->scale(s, s);
337 //kDebug()<<"////////// ZOOM: "<<zoom;
340 void GraphicsSceneRectMove::setCursor(QCursor c) {
341 QList<QGraphicsView*> l = views();
342 foreach(QGraphicsView* v, l) {