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Fix rubberband-issue in combination with Shift- and Control-key

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The old selection must be remembered before starting the rubberband
selection, otherwise it would not be possible anymore to deselect
items that have been selected by the rubberband itself.
This commit is contained in:
Peter Penz 2011-08-20 23:26:07 +02:00
parent 2f0ceedae0
commit 6a228cdbd9
2 changed files with 20 additions and 8 deletions
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19
src/kitemviews/kitemlistcontroller.cpp
View file

@ -38,7 +38,8 @@ KItemListController::KItemListController(QObject* parent) :
m_model(0),
m_view(0),
m_selectionManager(new KItemListSelectionManager(this)),
m_pressedIndex(-1)
m_pressedIndex(-1),
m_oldSelection()
{
}
@ -294,6 +295,8 @@ bool KItemListController::mousePressEvent(QGraphicsSceneMouseEvent* event, const
} else {
startPos.rx() += m_view->offset();
}
m_oldSelection = m_selectionManager->selectedItems();
rubberBand->setStartPosition(startPos);
rubberBand->setEndPosition(startPos);
rubberBand->setActive(true);
@ -338,6 +341,7 @@ bool KItemListController::mouseReleaseEvent(QGraphicsSceneMouseEvent* event, con
if (rubberBand->isActive()) {
disconnect(rubberBand, SIGNAL(endPositionChanged(QPointF,QPointF)), this, SLOT(slotRubberBandChanged()));
rubberBand->setActive(false);
m_oldSelection.clear();
m_pressedIndex = -1;
return false;
}
@ -577,14 +581,13 @@ void KItemListController::slotRubberBandChanged()
rubberBandRect.translate(-m_view->offset(), 0);
}
QSet<int> previousSelectedItems;
if (m_selectionManager->hasSelection()) {
// Don't clear the current selection in case if the user pressed the
// Shift- or Control-key during the rubberband selection
if (!m_oldSelection.isEmpty()) {
// Clear the old selection that was available before the rubberband has
// been activated in case if no Shift- or Control-key are pressed
const bool shiftOrControlPressed = QApplication::keyboardModifiers() & Qt::ShiftModifier ||
QApplication::keyboardModifiers() & Qt::ControlModifier;
if (shiftOrControlPressed) {
previousSelectedItems = m_selectionManager->selectedItems();
if (!shiftOrControlPressed) {
m_oldSelection.clear();
}
}
@ -631,7 +634,7 @@ void KItemListController::slotRubberBandChanged()
}
} while (!selectionFinished);
m_selectionManager->setSelectedItems(selectedItems + previousSelectedItems);
m_selectionManager->setSelectedItems(selectedItems + m_oldSelection);
}
#include "kitemlistcontroller.moc"

9
src/kitemviews/kitemlistcontroller.h
View file

@ -26,6 +26,7 @@
#include <libdolphin_export.h>
#include <QObject>
#include <QSet>
class KItemModelBase;
class KItemListSelectionManager;
@ -134,6 +135,14 @@ private:
KItemListView* m_view;
KItemListSelectionManager* m_selectionManager;
int m_pressedIndex;
/**
* When starting a rubberband selection during a Shift- or Control-key has been
* pressed the current selection should never be deleted. To be able to restore
* the current selection it is remembered in m_oldSelection before
* rubberband gets activated.
*/
QSet<int> m_oldSelection;
};
#endif