QGIS API Documentation 3.27.0-Master (75dc696944)
qgslayoutviewmouseevent.cpp
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1/***************************************************************************
2 qgslayoutviewmouseevent.cpp
3 ---------------------------
4 Date : July 2017
5 Copyright : (C) 2017 Nyall Dawson
6 Email : nyall dot dawson at gmail dot com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16
18#include "qgslayoutview.h"
19#include "qgslayout.h"
20
22 : QMouseEvent( event->type(), event->pos(), event->button(), event->buttons(), event->modifiers() )
23 , mView( view )
24{
25 mLayoutPoint = mView->mapToScene( x(), y() );
26 if ( snap && mView->currentLayout() )
27 {
28 mSnappedPoint = mView->currentLayout()->snapper().snapPoint( mLayoutPoint, mView->transform().m11(), mSnapped );
29 }
30 else
31 {
32 mSnappedPoint = mLayoutPoint;
33 }
34}
35
36void QgsLayoutViewMouseEvent::snapPoint( QGraphicsLineItem *horizontalSnapLine, QGraphicsLineItem *verticalSnapLine, const QList<QgsLayoutItem *> &excludeItems )
37{
38 if ( mView->currentLayout() )
39 {
40 mSnappedPoint = mView->currentLayout()->snapper().snapPoint( mLayoutPoint, mView->transform().m11(), mSnapped, horizontalSnapLine, verticalSnapLine, &excludeItems );
41 }
42}
43
45{
46 return mLayoutPoint;
47}
QPointF snapPoint(QPointF point, double scaleFactor, bool &snapped, QGraphicsLineItem *horizontalSnapLine=nullptr, QGraphicsLineItem *verticalSnapLine=nullptr, const QList< QgsLayoutItem * > *ignoreItems=nullptr) const
Snaps a layout coordinate point.
void snapPoint(QGraphicsLineItem *horizontalSnapLine=nullptr, QGraphicsLineItem *verticalSnapLine=nullptr, const QList< QgsLayoutItem * > &ignoreItems=QList< QgsLayoutItem * >())
Manually triggers a snap for the mouse event position using the layout's snapper.
QgsLayoutViewMouseEvent(QgsLayoutView *view, QMouseEvent *event, bool snap=false)
Constructor for QgsLayoutViewMouseEvent.
QPointF layoutPoint() const
Returns the event point location in layout coordinates.
A graphical widget to display and interact with QgsLayouts.
Definition: qgslayoutview.h:50
QgsLayout * currentLayout
Definition: qgslayoutview.h:63
QgsLayoutSnapper & snapper()
Returns a reference to the layout's snapper, which stores handles layout snap grids and lines and sna...
Definition: qgslayout.h:407