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Allow selection tool to control selection

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This commit is contained in:
Nyall Dawson 2017-09-29 16:03:33 +10:00
parent 6b700e2e93
commit fac2d7fbdc
1 changed files with 63 additions and 1 deletions
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64
src/gui/layout/qgslayoutviewtoolselect.cpp
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@ -16,6 +16,8 @@
#include "qgslayoutviewtoolselect.h"
#include "qgslayoutviewmouseevent.h"
#include "qgslayoutview.h"
#include "qgslayout.h"
#include "qgslayoutitempage.h"
QgsLayoutViewToolSelect::QgsLayoutViewToolSelect( QgsLayoutView *view )
: QgsLayoutViewTool( view, tr( "Select" ) )
@ -61,8 +63,68 @@ void QgsLayoutViewToolSelect::layoutReleaseEvent( QgsLayoutViewMouseEvent *event
}
mIsSelecting = false;
if ( !isClickAndDrag( mMousePressStartPos, event->pos() ) )
{
//just a click, do nothing
return;
}
QRectF rect = mRubberBand->finish( event->layoutPoint(), event->modifiers() );
Q_UNUSED( rect );
bool subtractingSelection = false;
if ( event->modifiers() & Qt::ShiftModifier )
{
//shift modifer means adding to selection, nothing required here
}
else if ( event->modifiers() & Qt::ControlModifier )
{
//control modifier means subtract from current selection
subtractingSelection = true;
}
else
{
//not adding to or removing from selection, so clear current selection
layout()->deselectAll();
}
//determine item selection mode, default to intersection
Qt::ItemSelectionMode selectionMode = Qt::IntersectsItemShape;
if ( event->modifiers() & Qt::AltModifier )
{
//alt modifier switches to contains selection mode
selectionMode = Qt::ContainsItemShape;
}
//find all items in rect
const QList<QGraphicsItem *> itemList = layout()->items( rect, selectionMode );
for ( QGraphicsItem *item : itemList )
{
QgsLayoutItem *layoutItem = dynamic_cast<QgsLayoutItem *>( item );
QgsLayoutItemPage *paperItem = dynamic_cast<QgsLayoutItemPage *>( item );
if ( layoutItem && !paperItem )
{
if ( !layoutItem->isLocked() )
{
if ( subtractingSelection )
{
layoutItem->setSelected( false );
}
else
{
layoutItem->setSelected( true );
}
}
}
}
#if 0 //TODO
//update item panel
QList<QgsComposerItem *> selectedItemList = composition()->selectedComposerItems();
if ( !selectedItemList.isEmpty() )
{
emit selectedItemChanged( selectedItemList[0] );
}
#endif
}
void QgsLayoutViewToolSelect::deactivate()