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Fix resize of grouped items with non-top left reference points

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nyalldawson committed Oct 10, 2017
1 parent e836fc4 commit 06650808b546721be028a8c9390bf6e69d4348eb
@@ -39,11 +39,11 @@ QgsLayoutGuideWidget::QgsLayoutGuideWidget( QWidget *parent, QgsLayout *layout,
mVertGuidesTableView->setEditTriggers( QAbstractItemView::AllEditTriggers );


mHozGuidesTableView->setItemDelegateForColumn( 0, new QgsLayoutGuidePositionDelegate( mLayout, mHozProxyModel ) );
mHozGuidesTableView->setItemDelegateForColumn( 1, new QgsLayoutGuideUnitDelegate( mLayout, mHozProxyModel ) );
mHozGuidesTableView->setItemDelegateForColumn( 0, new QgsLayoutGuidePositionDelegate( mHozGuidesTableView, mLayout, mHozProxyModel ) );
mHozGuidesTableView->setItemDelegateForColumn( 1, new QgsLayoutGuideUnitDelegate( mHozGuidesTableView, mLayout, mHozProxyModel ) );

mVertGuidesTableView->setItemDelegateForColumn( 0, new QgsLayoutGuidePositionDelegate( mLayout, mVertProxyModel ) );
mVertGuidesTableView->setItemDelegateForColumn( 1, new QgsLayoutGuideUnitDelegate( mLayout, mVertProxyModel ) );
mVertGuidesTableView->setItemDelegateForColumn( 0, new QgsLayoutGuidePositionDelegate( mVertGuidesTableView, mLayout, mVertProxyModel ) );
mVertGuidesTableView->setItemDelegateForColumn( 1, new QgsLayoutGuideUnitDelegate( mVertGuidesTableView, mLayout, mVertProxyModel ) );

connect( mAddHozGuideButton, &QPushButton::clicked, this, &QgsLayoutGuideWidget::addHorizontalGuide );
connect( mAddVertGuideButton, &QPushButton::clicked, this, &QgsLayoutGuideWidget::addVerticalGuide );
@@ -139,8 +139,9 @@ void QgsLayoutGuideWidget::applyToAll()
}


QgsLayoutGuidePositionDelegate::QgsLayoutGuidePositionDelegate( QgsLayout *layout, QAbstractItemModel *model )
: mLayout( layout )
QgsLayoutGuidePositionDelegate::QgsLayoutGuidePositionDelegate( QObject *parent, QgsLayout *layout, QAbstractItemModel *model )
: QStyledItemDelegate( parent )
, mLayout( layout )
, mModel( model )
{

@@ -172,8 +173,9 @@ void QgsLayoutGuidePositionDelegate::setModelData( const QModelIndex &index, con
mModel->setData( index, value, role );
}

QgsLayoutGuideUnitDelegate::QgsLayoutGuideUnitDelegate( QgsLayout *layout, QAbstractItemModel *model )
: mLayout( layout )
QgsLayoutGuideUnitDelegate::QgsLayoutGuideUnitDelegate( QObject *parent, QgsLayout *layout, QAbstractItemModel *model )
: QStyledItemDelegate( parent )
, mLayout( layout )
, mModel( model )
{

@@ -62,7 +62,7 @@ class QgsLayoutGuidePositionDelegate : public QStyledItemDelegate

public:

QgsLayoutGuidePositionDelegate( QgsLayout *layout, QAbstractItemModel *model );
QgsLayoutGuidePositionDelegate( QObject *parent, QgsLayout *layout, QAbstractItemModel *model );

protected:
QWidget *createEditor( QWidget *parent, const QStyleOptionViewItem & /*option*/, const QModelIndex &index ) const override;
@@ -82,7 +82,7 @@ class QgsLayoutGuideUnitDelegate : public QStyledItemDelegate

public:

QgsLayoutGuideUnitDelegate( QgsLayout *layout, QAbstractItemModel *model );
QgsLayoutGuideUnitDelegate( QObject *parent, QgsLayout *layout, QAbstractItemModel *model );

protected:
QWidget *createEditor( QWidget *parent, const QStyleOptionViewItem & /*option*/, const QModelIndex &index ) const override;
@@ -204,13 +204,13 @@ void QgsLayoutItemGroup::attemptResize( const QgsLayoutSize &size )
itemRect = itemRect.normalized();
QPointF newPos = mapToScene( itemRect.topLeft() );

// translate new position to current item units
QgsLayoutPoint itemPos = mLayout->convertFromLayoutUnits( newPos, item->positionWithUnits().units() );
item->attemptMove( itemPos );

QgsLayoutSize itemSize = mLayout->convertFromLayoutUnits( itemRect.size(), item->sizeWithUnits().units() );
item->attemptResize( itemSize );

// translate new position to current item units
QgsLayoutPoint itemPos = mLayout->convertFromLayoutUnits( newPos, item->positionWithUnits().units() );
item->attemptMove( itemPos, false );

if ( command )
{
command->saveAfterState();
@@ -48,7 +48,9 @@ class TestQgsLayoutItemGroup : public QObject
void deleteGroup(); //test deleting group works
void groupVisibility();
void moveGroup();
void moveGroupReferencePos();
void resizeGroup();
void resizeGroupReferencePos();
void undoRedo(); //test that group/ungroup undo/redo commands don't crash

private:
@@ -354,6 +356,69 @@ void TestQgsLayoutItemGroup::moveGroup()
QCOMPARE( item2->positionWithUnits().units(), QgsUnitTypes::LayoutInches );
}

void TestQgsLayoutItemGroup::moveGroupReferencePos()
{
QgsProject proj;
QgsLayout l( &proj );

QgsLayoutItemRectangularShape *item = new QgsLayoutItemRectangularShape( &l );
l.addLayoutItem( item );
item->attemptMove( QgsLayoutPoint( 5, 9 ) );
item->attemptResize( QgsLayoutSize( 4, 7 ) );
item->setReferencePoint( QgsLayoutItem::UpperRight );

QCOMPARE( item->positionWithUnits().x(), 9.0 );
QCOMPARE( item->positionWithUnits().y(), 9.0 );
QCOMPARE( item->scenePos().x(), 5.0 );
QCOMPARE( item->scenePos().y(), 9.0 );

QgsLayoutItemRectangularShape *item2 = new QgsLayoutItemRectangularShape( &l );
l.addLayoutItem( item2 );
item2->attemptMove( QgsLayoutPoint( 15, 19 ) );
item2->attemptResize( QgsLayoutSize( 6, 3 ) );
item2->setReferencePoint( QgsLayoutItem::LowerLeft );

QCOMPARE( item2->positionWithUnits().x(), 15.0 );
QCOMPARE( item2->positionWithUnits().y(), 22.0 );
QCOMPARE( item2->scenePos().x(), 15.0 );
QCOMPARE( item2->scenePos().y(), 19.0 );

//group items
QList<QgsLayoutItem *> groupItems;
groupItems << item << item2;
QgsLayoutItemGroup *group = l.groupItems( groupItems );

QCOMPARE( group->positionWithUnits().x(), 5.0 );
QCOMPARE( group->positionWithUnits().y(), 9.0 );
QCOMPARE( group->positionWithUnits().units(), QgsUnitTypes::LayoutMillimeters );
QCOMPARE( group->sizeWithUnits().width(), 16.0 );
QCOMPARE( group->sizeWithUnits().height(), 13.0 );
QCOMPARE( group->scenePos().x(), 5.0 );
QCOMPARE( group->scenePos().y(), 9.0 );
QCOMPARE( group->rect().width(), 16.0 );
QCOMPARE( group->rect().height(), 13.0 );

group->attemptMove( QgsLayoutPoint( 2, 4 ) );
QCOMPARE( group->positionWithUnits().x(), 2.0 );
QCOMPARE( group->positionWithUnits().y(), 4.0 );
QCOMPARE( group->scenePos().x(), 2.0 );
QCOMPARE( group->scenePos().y(), 4.0 );
QCOMPARE( group->sizeWithUnits().width(), 16.0 );
QCOMPARE( group->sizeWithUnits().height(), 13.0 );
QCOMPARE( group->rect().width(), 16.0 );
QCOMPARE( group->rect().height(), 13.0 );

QCOMPARE( item->pos().x(), 2.0 );
QCOMPARE( item->pos().y(), 4.0 );
QCOMPARE( item->positionWithUnits().x(), 6.0 );
QCOMPARE( item->positionWithUnits().y(), 4.0 );

QCOMPARE( item2->pos().x(), 12.0 );
QCOMPARE( item2->pos().y(), 14.0 );
QCOMPARE( item2->positionWithUnits().x(), 12.0 );
QCOMPARE( item2->positionWithUnits().y(), 17.0 );
}

void TestQgsLayoutItemGroup::resizeGroup()
{
QgsProject proj;
@@ -402,6 +467,77 @@ void TestQgsLayoutItemGroup::resizeGroup()
QCOMPARE( item2->sizeWithUnits().units(), QgsUnitTypes::LayoutInches );
}

void TestQgsLayoutItemGroup::resizeGroupReferencePos()
{
QgsProject proj;
QgsLayout l( &proj );

QgsLayoutItemRectangularShape *item = new QgsLayoutItemRectangularShape( &l );
l.addLayoutItem( item );
item->attemptMove( QgsLayoutPoint( 5, 9 ) );
item->attemptResize( QgsLayoutSize( 4, 7 ) );
item->setReferencePoint( QgsLayoutItem::UpperRight );

QCOMPARE( item->positionWithUnits().x(), 9.0 );
QCOMPARE( item->positionWithUnits().y(), 9.0 );
QCOMPARE( item->scenePos().x(), 5.0 );
QCOMPARE( item->scenePos().y(), 9.0 );

QgsLayoutItemRectangularShape *item2 = new QgsLayoutItemRectangularShape( &l );
l.addLayoutItem( item2 );
item2->attemptMove( QgsLayoutPoint( 15, 19 ) );
item2->attemptResize( QgsLayoutSize( 6, 3 ) );
item2->setReferencePoint( QgsLayoutItem::LowerLeft );

QCOMPARE( item2->positionWithUnits().x(), 15.0 );
QCOMPARE( item2->positionWithUnits().y(), 22.0 );
QCOMPARE( item2->scenePos().x(), 15.0 );
QCOMPARE( item2->scenePos().y(), 19.0 );

//group items
QList<QgsLayoutItem *> groupItems;
groupItems << item << item2;
QgsLayoutItemGroup *group = l.groupItems( groupItems );

QCOMPARE( group->positionWithUnits().x(), 5.0 );
QCOMPARE( group->positionWithUnits().y(), 9.0 );
QCOMPARE( group->positionWithUnits().units(), QgsUnitTypes::LayoutMillimeters );
QCOMPARE( group->sizeWithUnits().width(), 16.0 );
QCOMPARE( group->sizeWithUnits().height(), 13.0 );
QCOMPARE( group->scenePos().x(), 5.0 );
QCOMPARE( group->scenePos().y(), 9.0 );
QCOMPARE( group->rect().width(), 16.0 );
QCOMPARE( group->rect().height(), 13.0 );

group->attemptResize( QgsLayoutSize( 32.0, 26.0 ) );
QCOMPARE( group->positionWithUnits().x(), 5.0 );
QCOMPARE( group->positionWithUnits().y(), 9.0 );
QCOMPARE( group->scenePos().x(), 5.0 );
QCOMPARE( group->scenePos().y(), 9.0 );
QCOMPARE( group->sizeWithUnits().width(), 32.0 );
QCOMPARE( group->sizeWithUnits().height(), 26.0 );
QCOMPARE( group->rect().width(), 32.0 );
QCOMPARE( group->rect().height(), 26.0 );

QCOMPARE( item->pos().x(), 5.0 );
QCOMPARE( item->pos().y(), 9.0 );
QCOMPARE( item->positionWithUnits().x(), 13.0 );
QCOMPARE( item->positionWithUnits().y(), 9.0 );
QCOMPARE( item->sizeWithUnits().width(), 8.0 );
QCOMPARE( item->sizeWithUnits().height(), 14.0 );
QCOMPARE( item->rect().width(), 8.0 );
QCOMPARE( item->rect().height(), 14.0 );

QCOMPARE( item2->pos().x(), 25.0 );
QCOMPARE( item2->pos().y(), 29.0 );
QCOMPARE( item2->positionWithUnits().x(), 25.0 );
QCOMPARE( item2->positionWithUnits().y(), 35.0 );
QCOMPARE( item2->sizeWithUnits().width(), 12.0 );
QCOMPARE( item2->sizeWithUnits().height(), 6.0 );
QCOMPARE( item2->rect().width(), 12.0 );
QCOMPARE( item2->rect().height(), 6.0 );
}

Q_DECLARE_METATYPE( QgsLayoutItemGroup * )
Q_DECLARE_METATYPE( QgsLayoutItemRectangularShape * )
Q_DECLARE_METATYPE( QgsLayoutItem * )

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