+void DolphinIconsView::keyPressEvent(QKeyEvent* event)
+{
+ KCategorizedView::keyPressEvent(event);
+
+ const QItemSelectionModel* selModel = selectionModel();
+ const QModelIndex currentIndex = selModel->currentIndex();
+ const bool trigger = currentIndex.isValid()
+ && (event->key() == Qt::Key_Return)
+ && (selModel->selectedIndexes().count() <= 1);
+ if (trigger) {
+ triggerItem(currentIndex);
+ }
+}
+
+void DolphinIconsView::triggerItem(const QModelIndex& index)
+{
+ m_controller->triggerItem(itemForIndex(index));
+}
+
+void DolphinIconsView::slotEntered(const QModelIndex& index)
+{
+ m_controller->emitItemEntered(itemForIndex(index));
+}
+
+void DolphinIconsView::slotShowPreviewChanged()
+{
+ const DolphinView* view = m_controller->dolphinView();
+ const int infoCount = view->additionalInfo().count();
+ updateGridSize(view->showPreview(), infoCount);
+}
+
+void DolphinIconsView::slotAdditionalInfoChanged(const KFileItemDelegate::InformationList& info)
+{
+ const bool showPreview = m_controller->dolphinView()->showPreview();
+ updateGridSize(showPreview, info.count());
+}
+
+void DolphinIconsView::zoomIn()
+{
+ if (isZoomInPossible()) {
+ IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
+
+ const int oldIconSize = settings->iconSize();
+ int newIconSize = oldIconSize;
+
+ const bool showPreview = m_controller->dolphinView()->showPreview();
+ if (showPreview) {
+ const int previewSize = increasedIconSize(settings->previewSize());
+ settings->setPreviewSize(previewSize);
+ } else {
+ newIconSize = increasedIconSize(oldIconSize);
+ settings->setIconSize(newIconSize);
+ if (settings->previewSize() < newIconSize) {
+ // assure that the preview size is always >= the icon size
+ settings->setPreviewSize(newIconSize);
+ }
+ }
+
+ // increase also the grid size
+ const int diff = newIconSize - oldIconSize;
+ settings->setItemWidth(settings->itemWidth() + diff);
+ settings->setItemHeight(settings->itemHeight() + diff);
+
+ const int infoCount = m_controller->dolphinView()->additionalInfo().count();
+ updateGridSize(showPreview, infoCount);
+ }
+}
+
+void DolphinIconsView::zoomOut()
+{
+ if (isZoomOutPossible()) {
+ IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
+
+ const int oldIconSize = settings->iconSize();
+ int newIconSize = oldIconSize;
+
+ const bool showPreview = m_controller->dolphinView()->showPreview();
+ if (showPreview) {
+ const int previewSize = decreasedIconSize(settings->previewSize());
+ settings->setPreviewSize(previewSize);
+ if (settings->iconSize() > previewSize) {
+ // assure that the icon size is always <= the preview size
+ newIconSize = previewSize;
+ settings->setIconSize(newIconSize);
+ }
+ } else {
+ newIconSize = decreasedIconSize(settings->iconSize());
+ settings->setIconSize(newIconSize);
+ }
+
+ // decrease also the grid size
+ const int diff = oldIconSize - newIconSize;
+ settings->setItemWidth(settings->itemWidth() - diff);
+ settings->setItemHeight(settings->itemHeight() - diff);
+
+ const int infoCount = m_controller->dolphinView()->additionalInfo().count();
+ updateGridSize(showPreview, infoCount);
+ }
+}
+
+bool DolphinIconsView::isZoomInPossible() const
+{
+ IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
+ const bool showPreview = m_controller->dolphinView()->showPreview();
+ const int size = showPreview ? settings->previewSize() : settings->iconSize();
+ return size < KIconLoader::SizeEnormous;
+}
+
+bool DolphinIconsView::isZoomOutPossible() const
+{
+ IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
+ const bool showPreview = m_controller->dolphinView()->showPreview();
+ const int size = showPreview ? settings->previewSize() : settings->iconSize();
+ return size > KIconLoader::SizeSmall;
+}
+
+int DolphinIconsView::increasedIconSize(int size) const
+{
+ int incSize = 0;
+ switch (size) {
+ case KIconLoader::SizeSmall: incSize = KIconLoader::SizeSmallMedium; break;
+ case KIconLoader::SizeSmallMedium: incSize = KIconLoader::SizeMedium; break;
+ case KIconLoader::SizeMedium: incSize = KIconLoader::SizeLarge; break;
+ case KIconLoader::SizeLarge: incSize = KIconLoader::SizeHuge; break;
+ case KIconLoader::SizeHuge: incSize = KIconLoader::SizeEnormous; break;
+ default: Q_ASSERT(false); break;
+ }
+ return incSize;
+}
+
+int DolphinIconsView::decreasedIconSize(int size) const
+{
+ int decSize = 0;
+ switch (size) {
+ case KIconLoader::SizeSmallMedium: decSize = KIconLoader::SizeSmall; break;
+ case KIconLoader::SizeMedium: decSize = KIconLoader::SizeSmallMedium; break;
+ case KIconLoader::SizeLarge: decSize = KIconLoader::SizeMedium; break;
+ case KIconLoader::SizeHuge: decSize = KIconLoader::SizeLarge; break;
+ case KIconLoader::SizeEnormous: decSize = KIconLoader::SizeHuge; break;
+ default: Q_ASSERT(false); break;
+ }
+ return decSize;
+}
+
+void DolphinIconsView::updateGridSize(bool showPreview, int additionalInfoCount)
+{
+ const IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
+ Q_ASSERT(settings != 0);
+
+ int itemWidth = settings->itemWidth();
+ int itemHeight = settings->itemHeight();
+ int size = settings->iconSize();
+
+ if (showPreview) {
+ const int previewSize = settings->previewSize();
+ const int diff = previewSize - size;
+ Q_ASSERT(diff >= 0);
+ itemWidth += diff;
+ itemHeight += diff;
+
+ size = previewSize;
+ }
+
+ Q_ASSERT(additionalInfoCount >= 0);
+ itemHeight += additionalInfoCount * m_viewOptions.font.pointSize() * 2;
+
+ if (settings->arrangement() == QListView::TopToBottom) {
+ // The decoration width indirectly defines the maximum
+ // width for the text wrapping. To use the maximum item width
+ // for text wrapping, it is used as decoration width.
+ m_viewOptions.decorationSize = QSize(itemWidth, size);
+ } else {
+ m_viewOptions.decorationSize = QSize(size, size);
+ }
+
+ const int spacing = settings->gridSpacing();
+ setGridSize(QSize(itemWidth + spacing * 2, itemHeight + spacing));
+
+ m_itemSize = QSize(itemWidth, itemHeight);
+
+ m_controller->setZoomInPossible(isZoomInPossible());
+ m_controller->setZoomOutPossible(isZoomOutPossible());
+}
+
+KFileItem DolphinIconsView::itemForIndex(const QModelIndex& index) const
+{
+ QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(model());
+ KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
+ const QModelIndex dirIndex = proxyModel->mapToSource(index);
+ return dirModel->itemForIndex(dirIndex);
+}
+
projects / dolphin.git / blobdiff