+void TitleWidget::slotAddEffect(int ix)
+{
+ QList<QGraphicsItem *> list = graphicsView->scene()->selectedItems();
+ int effect = effect_list->itemData(ix).toInt();
+
+ if(list.size() == 1) {
+ if(effect == NOEFFECT)
+ effect_stack->setHidden(true);
+ else {
+ effect_stack->setCurrentIndex(effect - 1);
+ effect_stack->setHidden(false);
+ }
+ } else // Hide the effects stack when more than one element is selected.
+ effect_stack->setHidden(true);
+
+ foreach(QGraphicsItem * item, list) {
+ switch(effect) {
+ case NOEFFECT:
+ item->setData(100, QVariant());
+#if QT_VERSION >= 0x040600
+ item->setGraphicsEffect(0);
+#endif
+ break;
+ case TYPEWRITEREFFECT:
+ /*
+ * Allow the user to set the typewriter effect to more than one
+ * element, but do not add it to non-text elements.
+ */
+ if(item->type() == TEXTITEM) {
+ QStringList effdata = QStringList() << "typewriter" << QString::number(typewriter_delay->value()) + ";" + QString::number(typewriter_start->value());
+ item->setData(100, effdata);
+ }
+ break;
+#if QT_VERSION >= 0x040600
+ // Do not remove the non-QGraphicsEffects.
+ case BLUREFFECT:
+ item->setGraphicsEffect(new QGraphicsBlurEffect());
+ break;
+ case SHADOWEFFECT:
+ item->setGraphicsEffect(new QGraphicsDropShadowEffect());
+ break;
+#endif
+ }
+ }
+}
+
+void TitleWidget::slotFontText(const QString& s)
+{
+ const QFont f(s);
+ if(f.exactMatch()) {
+ // Font really exists (could also just be a «d» if the user
+ // starts typing «dejavu» for example).
+ font_family->setCurrentFont(f);
+ }
+ // Note: Typing dejavu serif does not recognize the font (takes sans)
+ // in older Qt versions. Case must match there (except for first letter)
+}
+
+void TitleWidget::slotEditTypewriter(int /*ix*/)
+{
+ QList<QGraphicsItem*> l = graphicsView->scene()->selectedItems();
+ if(l.size() == 1) {
+ QStringList effdata = QStringList() << "typewriter" << QString::number(typewriter_delay->value()) + ";" + QString::number(typewriter_start->value());
+ l[0]->setData(100, effdata);
+ }
+}
+
+void TitleWidget::slotEditBlur(int ix)
+{
+#if QT_VERSION < 0x040600
+ return;
+#else
+ QList<QGraphicsItem*> l = graphicsView->scene()->selectedItems();
+ if(l.size() == 1) {
+ QGraphicsEffect *eff = l[0]->graphicsEffect();
+ QGraphicsBlurEffect *blur = static_cast <QGraphicsBlurEffect *>(eff);
+ if(blur) blur->setBlurRadius(ix);
+ }
+#endif
+}
+
+void TitleWidget::slotEditShadow()
+{
+#if QT_VERSION < 0x040600
+ return;
+#else
+ QList<QGraphicsItem*> l = graphicsView->scene()->selectedItems();
+ if(l.size() == 1) {
+ QGraphicsEffect *eff = l[0]->graphicsEffect();
+ QGraphicsDropShadowEffect *shadow = static_cast <QGraphicsDropShadowEffect *>(eff);
+ if(shadow) {
+ shadow->setBlurRadius(shadow_radius->value());
+ shadow->setOffset(shadow_x->value(), shadow_y->value());
+ }
+ }
+#endif
+}
+
+qreal TitleWidget::zIndexBounds(bool maxBound, bool intersectingOnly)
+{
+ qreal bound = maxBound ? -99 : 99;
+ QList<QGraphicsItem*> l = graphicsView->scene()->selectedItems();
+ if(l.size() > 0) {
+ QList<QGraphicsItem*> lItems;
+ // Get items (all or intersecting only)
+ if(intersectingOnly) {
+ lItems = graphicsView->scene()->items(l[0]->sceneBoundingRect(), Qt::IntersectsItemShape);
+ } else {
+ lItems = graphicsView->scene()->items();
+ }
+ if(lItems.size() > 0) {
+ int n = lItems.size();
+ qreal z;
+ if(maxBound) {
+ for(int i = 0; i < n; i++) {
+ z = lItems[i]->zValue();
+ if(z > bound && !lItems[i]->isSelected()) {
+ bound = z;
+ }
+ }
+ } else {
+ // Get minimum z index.
+ for(int i = 0; i < n; i++) {
+ z = lItems[i]->zValue();
+ if(z < bound && !lItems[i]->isSelected() && z > -999) {
+ // There are items at the very bottom (background e.g.) with z-index < -1000.
+ bound = z;
+ }
+ }
+ }
+ }
+ }
+ return bound;
+}
+
+void TitleWidget::slotZIndexUp()
+{
+ QList<QGraphicsItem*> l = graphicsView->scene()->selectedItems();
+ if(l.size() >= 1) {
+ qreal currentZ = l[0]->zValue();
+ qreal max = zIndexBounds(true, true);
+ if(currentZ <= max) {
+ l[0]->setZValue(currentZ + 1);
+ updateDimension(l[0]);
+ }
+ }
+}