+void DolphinColumnView::updateColumnsBackground(bool active)
+{
+ if (active == m_active) {
+ return;
+ }
+
+ m_active = active;
+
+ // dim the background of the viewport
+ const QPalette::ColorRole role = viewport()->backgroundRole();
+ QColor background = viewport()->palette().color(role);
+ background.setAlpha(0); // make background transparent
+
+ QPalette palette = viewport()->palette();
+ palette.setColor(role, background);
+ viewport()->setPalette(palette);
+
+ foreach (DolphinColumnWidget* column, m_columns) {
+ column->updateBackground();
+ }
+}
+
+void DolphinColumnView::slotSortingChanged(DolphinView::Sorting sorting)
+{
+ foreach (DolphinColumnWidget* column, m_columns) {
+ column->setSorting(sorting);
+ }
+}
+
+void DolphinColumnView::slotSortOrderChanged(Qt::SortOrder order)
+{
+ foreach (DolphinColumnWidget* column, m_columns) {
+ column->setSortOrder(order);
+ }
+}
+
+void DolphinColumnView::slotShowHiddenFilesChanged()
+{
+ const bool show = m_controller->dolphinView()->showHiddenFiles();
+ foreach (DolphinColumnWidget* column, m_columns) {
+ column->setShowHiddenFiles(show);
+ }
+}
+
+void DolphinColumnView::slotShowPreviewChanged()
+{
+ const bool show = m_controller->dolphinView()->showPreview();
+ updateDecorationSize(show);
+ foreach (DolphinColumnWidget* column, m_columns) {
+ column->setShowPreview(show);
+ }
+}
+
+void DolphinColumnView::setActiveColumnIndex(int index)
+{
+ if (m_index == index) {
+ return;
+ }
+
+ const bool hasActiveColumn = (m_index >= 0);
+ if (hasActiveColumn) {
+ m_columns[m_index]->setActive(false);
+ }
+
+ m_index = index;
+ m_columns[m_index]->setActive(true);
+
+ assureVisibleActiveColumn();
+}
+
+void DolphinColumnView::layoutColumns()
+{
+ const int gap = 4;
+
+ ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
+ const int columnWidth = settings->columnWidth();
+
+ QRect emptyViewportRect;
+ if (isRightToLeft()) {
+ int x = viewport()->width() - columnWidth + m_contentX;
+ foreach (DolphinColumnWidget* column, m_columns) {
+ column->setGeometry(QRect(x, 0, columnWidth - gap, viewport()->height()));
+ x -= columnWidth;
+ }
+ emptyViewportRect = QRect(0, 0, x + columnWidth - gap, viewport()->height());
+ } else {
+ int x = m_contentX;
+ foreach (DolphinColumnWidget* column, m_columns) {
+ column->setGeometry(QRect(x, 0, columnWidth - gap, viewport()->height()));
+ x += columnWidth;
+ }
+ emptyViewportRect = QRect(x, 0, viewport()->width() - x - gap, viewport()->height());
+ }
+
+ if (emptyViewportRect.isValid()) {
+ m_emptyViewport->show();
+ m_emptyViewport->setGeometry(emptyViewportRect);
+ } else {
+ m_emptyViewport->hide();
+ }
+}
+
+void DolphinColumnView::updateScrollBar()
+{
+ ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
+ const int contentWidth = m_columns.count() * settings->columnWidth();
+
+ horizontalScrollBar()->setPageStep(contentWidth);
+ horizontalScrollBar()->setRange(0, contentWidth - viewport()->width());
+}
+
+void DolphinColumnView::assureVisibleActiveColumn()
+{
+ const int viewportWidth = viewport()->width();
+ const int x = activeColumn()->x();
+
+ ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
+ const int width = settings->columnWidth();
+
+ if (x + width > viewportWidth) {
+ const int newContentX = m_contentX - x - width + viewportWidth;
+ if (isRightToLeft()) {
+ m_animation->setFrameRange(m_contentX, newContentX);
+ } else {
+ m_animation->setFrameRange(-m_contentX, -newContentX);
+ }
+ if (m_animation->state() != QTimeLine::Running) {
+ m_animation->start();
+ }
+ } else if (x < 0) {
+ const int newContentX = m_contentX - x;
+ if (isRightToLeft()) {
+ m_animation->setFrameRange(m_contentX, newContentX);
+ } else {
+ m_animation->setFrameRange(-m_contentX, -newContentX);
+ }
+ if (m_animation->state() != QTimeLine::Running) {
+ m_animation->start();
+ }
+ }
+}
+
+void DolphinColumnView::requestActivation(DolphinColumnWidget* column)
+{
+ m_controller->setItemView(column);
+ if (column->isActive()) {
+ assureVisibleActiveColumn();
+ } else {
+ int index = 0;
+ foreach (DolphinColumnWidget* currColumn, m_columns) {
+ if (currColumn == column) {
+ setActiveColumnIndex(index);
+ return;
+ }
+ ++index;
+ }
+ }
+}
+
+void DolphinColumnView::removeAllColumns()
+{
+ QList<DolphinColumnWidget*>::iterator start = m_columns.begin() + 1;
+ QList<DolphinColumnWidget*>::iterator end = m_columns.end();
+ for (QList<DolphinColumnWidget*>::iterator it = start; it != end; ++it) {
+ deleteColumn(*it);
+ }
+ m_columns.erase(start, end);
+ m_index = 0;
+ m_columns[0]->setActive(true);
+ assureVisibleActiveColumn();
+}
+
+QPoint DolphinColumnView::columnPosition(DolphinColumnWidget* column, const QPoint& point) const
+{
+ const QPoint topLeft = column->frameGeometry().topLeft();
+ return QPoint(point.x() - topLeft.x(), point.y() - topLeft.y());
+}
+
+void DolphinColumnView::deleteColumn(DolphinColumnWidget* column)
+{
+ if (column != 0) {
+ if (m_controller->itemView() == column) {
+ m_controller->setItemView(0);
+ }
+ // deleteWhenNotDragSource(column) does not necessarily delete column,
+ // and we want its preview generator destroyed immediately.
+ column->m_previewGenerator->deleteLater();
+ column->m_previewGenerator = 0;
+ column->hide();
+ // Prevent automatic destruction of column when this DolphinColumnView
+ // is destroyed.
+ column->setParent(0);
+ column->disconnect();
+ emit requestColumnDeletion(column);
+ }
+}
+
projects / dolphin.git / blobdiff