DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* controller) :
QTreeView(parent),
- m_autoResize(true),
+ m_autoResize(true),
m_expandingTogglePressed(false),
m_keyPressed(false),
m_useDefaultIndexAt(true),
+ m_ignoreScrollTo(false),
m_controller(controller),
m_selectionManager(0),
m_font(),
m_decorationSize(),
- m_band()
+ m_band()
{
const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
Q_ASSERT(settings != 0);
clearSelection();
}
- // restore the current index, other columns are handled as viewport area
+ // restore the current index, other columns are handled as viewport area.
+ // setCurrentIndex(...) implicitly calls scrollTo(...), which we want to ignore.
+ m_ignoreScrollTo = true;
selectionModel()->setCurrentIndex(current, QItemSelectionModel::Current);
-
+ m_ignoreScrollTo = false;
if ((event->button() == Qt::LeftButton) && !m_expandingTogglePressed) {
// Inform Qt about what we are doing - otherwise it starts dragging items around!
const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
m_band.origin = event->pos() + pos + scrollPos;
m_band.destination = m_band.origin;
+ m_band.originalSelection = selectionModel()->selection();
}
}
}
void DolphinDetailsView::startDrag(Qt::DropActions supportedActions)
{
- DragAndDropHelper::startDrag(this, supportedActions, m_controller);
+ DragAndDropHelper::instance().startDrag(this, supportedActions, m_controller);
m_band.show = false;
}
void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
{
- if (DragAndDropHelper::isMimeDataSupported(event->mimeData())) {
+ if (DragAndDropHelper::instance().isMimeDataSupported(event->mimeData())) {
event->acceptProposedAction();
}
setDirtyRegion(m_dropRect);
}
- if (DragAndDropHelper::isMimeDataSupported(event->mimeData())) {
+ if (DragAndDropHelper::instance().isMimeDataSupported(event->mimeData())) {
// accept url drops, independently from the destination item
event->acceptProposedAction();
}
}
}
+void DolphinDetailsView::scrollTo(const QModelIndex & index, ScrollHint hint)
+{
+ if (m_ignoreScrollTo)
+ return;
+ QTreeView::scrollTo(index, hint);
+}
+
void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
{
QHeaderView* headerView = header();
QRect dirtyRegion(elasticBandRect());
const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
m_band.destination = viewport()->mapFromGlobal(QCursor::pos()) + scrollPos;
+ // Going above the (logical) top-left of the view causes complications during selection;
+ // we may as well prevent it.
+ if (m_band.destination.y() < 0)
+ m_band.destination.setY(0);
+ if (m_band.destination.x() < 0)
+ m_band.destination.setX(0);
+
dirtyRegion = dirtyRegion.united(elasticBandRect());
setDirtyRegion(dirtyRegion);
}
Q_UNUSED(logicalIndex);
Q_UNUSED(oldSize);
Q_UNUSED(newSize);
- if (QApplication::mouseButtons() & Qt::LeftButton) {
+ // If the user changes the size of the headers, the autoresize feature should be
+ // turned off. As there is no dedicated interface to find out whether the header
+ // section has been resized by the user or by a resize event, the following approach is used:
+ if ((QApplication::mouseButtons() & Qt::LeftButton) && isVisible()) {
disableAutoResizing();
}
}
const int nameColumnX = header()->sectionPosition(DolphinModel::Name);
const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
QRect selRect = elasticBandRect().normalized();
- QRect nameColumnRect(nameColumnX, selRect.y(), nameColumnWidth, selRect.height());
- selRect = nameColumnRect.intersect(selRect).normalized();
+ QRect nameColumnArea(nameColumnX, selRect.y(), nameColumnWidth, selRect.height());
+ selRect = nameColumnArea.intersect(selRect).normalized();
+ // Get the last elastic band rectangle, expressed in viewpoint coordinates.
+ const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
+ QRect oldSelRect = QRect(m_band.lastSelectionOrigin - scrollPos, m_band.lastSelectionDestination - scrollPos).normalized();
if (selRect.isNull()) {
- clearSelection();
+ selectionModel()->select(m_band.originalSelection, QItemSelectionModel::ClearAndSelect);
+ m_band.ignoreOldInfo = true;
return;
}
if (!m_band.ignoreOldInfo) {
// Do some quick checks to see if we can rule out the need to
// update the selection.
- bool coveringSameRows = true;
Q_ASSERT(uniformRowHeights());
QModelIndex dummyIndex = model()->index(0, 0);
if (!dummyIndex.isValid()) {
// No items in the model presumably.
return;
}
- const int rowHeight = QTreeView::rowHeight(dummyIndex);
-
+
// If the elastic band does not cover the same rows as before, we'll
// need to re-check, and also invalidate the old item distances.
- if (selRect.top() / rowHeight != m_band.oldSelectionRect.top() / rowHeight) {
- coveringSameRows = false;
- } else if (selRect.bottom() / rowHeight != m_band.oldSelectionRect.bottom() / rowHeight) {
- coveringSameRows = false;
- }
-
+ const int rowHeight = QTreeView::rowHeight(dummyIndex);
+ const bool coveringSameRows =
+ (selRect.top() / rowHeight == oldSelRect.top() / rowHeight) &&
+ (selRect.bottom() / rowHeight == oldSelRect.bottom() / rowHeight);
if (coveringSameRows) {
// Covering the same rows, but have we moved far enough horizontally
// that we might have (de)selected some other items?
- const QRect oldSelRect = m_band.oldSelectionRect;
const bool itemSelectionChanged =
((selRect.left() > oldSelRect.left()) &&
(selRect.left() > m_band.insideNearestLeftEdge)) ||
((selRect.right() < oldSelRect.right()) &&
(selRect.left() >= m_band.insideNearestRightEdge)) ||
((selRect.right() > oldSelRect.right()) &&
- (selRect.right() >= m_band.outsideNearestRightEdge));
+ (selRect.right() >= m_band.outsideNearestRightEdge));
if (!itemSelectionChanged) {
return;
}
}
}
+ else {
+ // This is the only piece of optimization data that needs to be explicitly
+ // discarded.
+ m_band.lastSelectionOrigin = QPoint();
+ m_band.lastSelectionDestination = QPoint();
+ oldSelRect = selRect;
+ }
// Do the selection from scratch. Force a update of the horizontal distances info.
- m_band.insideNearestLeftEdge = nameColumnX + nameColumnWidth + 1;;
+ m_band.insideNearestLeftEdge = nameColumnX + nameColumnWidth + 1;
m_band.insideNearestRightEdge = nameColumnX - 1;
m_band.outsideNearestLeftEdge = nameColumnX - 1;
m_band.outsideNearestRightEdge = nameColumnX + nameColumnWidth + 1;
// Include the old selection rect as well, so we can deselect
// items that were inside it but not in the new selRect.
- const QRect boundingRect = selRect.united(m_band.oldSelectionRect).normalized();
+ const QRect boundingRect = selRect.united(oldSelRect).normalized();
if (boundingRect.isNull()) {
return;
}
} else {
startIndex = model()->index(startIndex.row(), KDirModel::Name);
}
+ if (!startIndex.isValid()) {
+ selectionModel()->select(m_band.originalSelection, QItemSelectionModel::ClearAndSelect);
+ m_band.ignoreOldInfo = true;
+ return;
+ }
// Go through all indexes between the top and bottom of boundingRect, and
// update the selection.
QModelIndex currIndex = startIndex;
QModelIndex lastIndex;
bool allItemsInBoundDone = false;
-
+
// Calling selectionModel()->select(...) for each item that needs to be
// toggled is slow as each call emits selectionChanged(...) so store them
// and do the selection toggle in one batch.
QModelIndex toggleIndexRangeBegin = QModelIndex();
do {
- QRect currIndexRect = visualRect(currIndex);
- const QString name = m_controller->itemForIndex(currIndex).name();
- currIndexRect.setWidth(DolphinFileItemDelegate::nameColumnWidth(name, viewOptions()));
+ QRect currIndexRect = nameColumnRect(currIndex);
- // Update some optimisation info as we go.
+ // Update some optimization info as we go.
const int cr = currIndexRect.right();
const int cl = currIndexRect.left();
const int sl = selRect.left();
const int sr = selRect.right();
- // "The right edge of the name is outside of the rect but nearer than m_outsideNearestLeft", etc
+ // "The right edge of the name is outside of the rect but nearer than m_outsideNearestLeft", etc
if ((cr < sl && cr > m_band.outsideNearestLeftEdge)) {
m_band.outsideNearestLeftEdge = cr;
}
if ((cr >= sl && cr <= sr && cr < m_band.insideNearestLeftEdge)) {
m_band.insideNearestLeftEdge = cr;
}
-
+
bool currentlySelected = selectionModel()->isSelected(currIndex);
+ bool originallySelected = m_band.originalSelection.contains(currIndex);
bool intersectsSelectedRect = currIndexRect.intersects(selRect);
- bool needToToggleItem = (currentlySelected && !intersectsSelectedRect) || (!currentlySelected && intersectsSelectedRect);
+ bool shouldBeSelected = (intersectsSelectedRect && !originallySelected) || (!intersectsSelectedRect && originallySelected);
+ bool needToToggleItem = (currentlySelected && !shouldBeSelected) || (!currentlySelected && shouldBeSelected);
if (needToToggleItem && !formingToggleIndexRange) {
toggleIndexRangeBegin = currIndex;
formingToggleIndexRange = true;
allItemsInBoundDone ||
currIndex.parent() != toggleIndexRangeBegin.parent());
if (commitToggleIndexRange) {
- itemsToToggle.select(toggleIndexRangeBegin, lastIndex );
formingToggleIndexRange = false;
+ // If this is the last item in the bounds and it is also the beginning of a range,
+ // don't toggle lastIndex - it will already have been dealt with.
+ if (!allItemsInBoundDone || toggleIndexRangeBegin != currIndex) {
+ itemsToToggle.select(toggleIndexRangeBegin, lastIndex);
+ }
+ // Need to start a new range immediately with currIndex?
+ if (needToToggleItem) {
+ toggleIndexRangeBegin = currIndex;
+ formingToggleIndexRange = true;
+ }
+ if (allItemsInBoundDone && needToToggleItem) {
+ // Toggle the very last item in the bounds.
+ itemsToToggle.select(currIndex, currIndex);
+ }
}
// next item
lastIndex = currIndex;
currIndex = nextIndex;
} while (!allItemsInBoundDone);
-
+
selectionModel()->select(itemsToToggle, QItemSelectionModel::Toggle);
- m_band.oldSelectionRect = selRect;
+ m_band.lastSelectionOrigin = m_band.origin;
+ m_band.lastSelectionDestination = m_band.destination;
m_band.ignoreOldInfo = false;
}
QRect rect = visualRect(index);
const KFileItem item = m_controller->itemForIndex(index);
if (!item.isNull()) {
- const int width = DolphinFileItemDelegate::nameColumnWidth(item.name(), viewOptions());
+ const int width = DolphinFileItemDelegate::nameColumnWidth(item.text(), viewOptions());
rect.setWidth(width);
}
show(false),
origin(),
destination(),
- oldSelectionRect(),
+ lastSelectionOrigin(),
+ lastSelectionDestination(),
ignoreOldInfo(true),
outsideNearestLeftEdge(0),
outsideNearestRightEdge(0),
projects / dolphin.git / blobdiff