Differential D15802 Diff 42469 lib/documentview/abstractimageview.cpp

Changeset View

Standalone View

View Options

lib/documentview/abstractimageview.cpp

Show First 20 Lines • Show All 124 Lines • ▼ Show 20 Line(s)119 {
125 painter.fillRect(16, 16, 16, 16, light); 125​ painter.fillRect(16, 16, 16, 16, light);
126 return pix; 126​ return pix;
127 } 127​ }
128 128​
129 void checkAndRequestZoomAction(const QGraphicsSceneMouseEvent* event) 129​ void checkAndRequestZoomAction(const QGraphicsSceneMouseEvent* event)
130 { 130​ {
131 if (event->modifiers() & Qt::ControlModifier) { 131​ if (event->modifiers() & Qt::ControlModifier) {
132 if (event->button() == Qt::LeftButton) { 132​ if (event->button() == Qt::LeftButton) {
133 q->zoomInRequested(event->pos()); 133​ emit q->zoomInRequested(event->pos());
134 } else if (event->button() == Qt::RightButton) { 134​ } else if (event->button() == Qt::RightButton) {
135 q->zoomOutRequested(event->pos()); 135​ emit q->zoomOutRequested(event->pos());
136 } 136​ }
137 } 137​ }
138 } 138​ }
139}; 139​};
140 140​
141AbstractImageView::AbstractImageView(QGraphicsItem* parent) 141​AbstractImageView::AbstractImageView(QGraphicsItem* parent)
142: QGraphicsWidget(parent) 142​: QGraphicsWidget(parent)
143, d(new AbstractImageViewPrivate) 143​, d(new AbstractImageViewPrivate)
▲ Show 20 Lines • Show All 102 Lines • ▼ Show 20 Line(s)194{
246 */ 246​ */
247 QPointF oldScroll = scrollPos() - imageOffset(); 247​ QPointF oldScroll = scrollPos() - imageOffset();
248 248​
249 QPointF scroll = (zoom / oldZoom) * (oldScroll + center) - center; 249​ QPointF scroll = (zoom / oldZoom) * (oldScroll + center) - center;
250 250​
251 d->adjustImageOffset(AbstractImageViewPrivate::Silent); 251​ d->adjustImageOffset(AbstractImageViewPrivate::Silent);
252 d->setScrollPos(scroll, AbstractImageViewPrivate::Silent); 252​ d->setScrollPos(scroll, AbstractImageViewPrivate::Silent);
253 onZoomChanged(); 253​ onZoomChanged();
254 zoomChanged(d->mZoom); 254​ emit zoomChanged(d->mZoom);
255} 255​}
256 256​
257bool AbstractImageView::zoomToFit() const 257​bool AbstractImageView::zoomToFit() const
258{ 258​{
259 return d->mZoomToFit; 259​ return d->mZoomToFit;
260} 260​}
261 261​
262bool AbstractImageView::zoomToFill() const 262​bool AbstractImageView::zoomToFill() const
263{ 263​{
264 return d->mZoomToFill; 264​ return d->mZoomToFill;
265} 265​}
266 266​
267void AbstractImageView::setZoomToFit(bool on) 267​void AbstractImageView::setZoomToFit(bool on)
268{ 268​{
269 d->mZoomToFit = on; 269​ d->mZoomToFit = on;
270 if (on) { 270​ if (on) {
271 d->mZoomToFill = false; 271​ d->mZoomToFill = false;
272 setZoom(computeZoomToFit()); 272​ setZoom(computeZoomToFit());
273 } 273​ }
274 // We do not set zoom to 1 if zoomToFit is off, this is up to the code 274​ // We do not set zoom to 1 if zoomToFit is off, this is up to the code
275 // calling us. It may went to zoom to some other level and/or to zoom on 275​ // calling us. It may went to zoom to some other level and/or to zoom on
276 // a particular position 276​ // a particular position
277 zoomToFitChanged(d->mZoomToFit); 277​ emit zoomToFitChanged(d->mZoomToFit);
278} 278​}
279 279​
280void AbstractImageView::setZoomToFill(bool on, const QPointF& center) 280​void AbstractImageView::setZoomToFill(bool on, const QPointF& center)
281{ 281​{
282 d->mZoomToFill = on; 282​ d->mZoomToFill = on;
283 if (on) { 283​ if (on) {
284 d->mZoomToFit = false; 284​ d->mZoomToFit = false;
285 setZoom(computeZoomToFill(), center); 285​ setZoom(computeZoomToFill(), center);
286 } 286​ }
287 // We do not set zoom to 1 if zoomToFit is off, this is up to the code 287​ // We do not set zoom to 1 if zoomToFit is off, this is up to the code
288 // calling us. It may went to zoom to some other level and/or to zoom on 288​ // calling us. It may went to zoom to some other level and/or to zoom on
289 // a particular position 289​ // a particular position
290 zoomToFillChanged(d->mZoomToFill); 290​ emit zoomToFillChanged(d->mZoomToFill);
291} 291​}
292 292​
293const QPixmap& AbstractImageView::alphaBackgroundTexture() const 293​const QPixmap& AbstractImageView::alphaBackgroundTexture() const
294{ 294​{
295 return d->mAlphaBackgroundTexture; 295​ return d->mAlphaBackgroundTexture;
296} 296​}
297 297​
298void AbstractImageView::resizeEvent(QGraphicsSceneResizeEvent* event) 298​void AbstractImageView::resizeEvent(QGraphicsSceneResizeEvent* event)
▲ Show 20 Lines • Show All 135 Lines • ▼ Show 20 Line(s)428{
434 if (zoomToFit() || qFuzzyCompare(computeZoomToFit(), zoom())) { 434​ if (zoomToFit() || qFuzzyCompare(computeZoomToFit(), zoom())) {
435 if (event->modifiers() != Qt::NoModifier) { 435​ if (event->modifiers() != Qt::NoModifier) {
436 return; 436​ return;
437 } 437​ }
438 438​
439 switch (event->key()) { 439​ switch (event->key()) {
440 case Qt::Key_Left: 440​ case Qt::Key_Left:
441 case Qt::Key_Up: 441​ case Qt::Key_Up:
442 previousImageRequested(); 442​ emit previousImageRequested();
443 break; 443​ break;
444 case Qt::Key_Right: 444​ case Qt::Key_Right:
445 case Qt::Key_Down: 445​ case Qt::Key_Down:
446 nextImageRequested(); 446​ emit nextImageRequested();
447 break; 447​ break;
448 default: 448​ default:
449 break; 449​ break;
450 } 450​ }
451 return; 451​ return;
452 } 452​ }
453 453​
454 QPointF delta(0, 0); 454​ QPointF delta(0, 0);
▲ Show 20 Lines • Show All 42 Lines • ▼ Show 20 Line(s)496 if (event->key() == Qt::Key_Control) {
497 d->mControlKeyIsDown = false; 497​ d->mControlKeyIsDown = false;
498 updateCursor(); 498​ updateCursor();
499 } 499​ }
500} 500​}
501 501​
502void AbstractImageView::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event) 502​void AbstractImageView::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
503{ 503​{
504 if (event->modifiers() == Qt::NoModifier && event->button() == Qt::LeftButton) { 504​ if (event->modifiers() == Qt::NoModifier && event->button() == Qt::LeftButton) {
505 toggleFullScreenRequested(); 505​ emit toggleFullScreenRequested();
506 } 506​ }
507 507​
508 d->checkAndRequestZoomAction(event); 508​ d->checkAndRequestZoomAction(event);
509} 509​}
510 510​
511QPointF AbstractImageView::imageOffset() const 511​QPointF AbstractImageView::imageOffset() const
512{ 512​{
513 return d->mImageOffset; 513​ return d->mImageOffset;
▲ Show 20 Lines • Show All 107 Lines • Show Last 20 Lines