QGIS API Documentation 3.27.0-Master (75dc696944)
qgslayoutviewtooltemporarymousepan.cpp
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1/***************************************************************************
2 qgslayoutviewtooltemporarymousepan.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
18#include "qgslayoutview.h"
19#include <QScrollBar>
20
22 : QgsLayoutViewTool( view, tr( "Pan" ) )
23{
24 setCursor( Qt::ClosedHandCursor );
25}
26
28{
29 view()->horizontalScrollBar()->setValue( view()->horizontalScrollBar()->value() - ( event->x() - mLastMousePos.x() ) );
30 view()->verticalScrollBar()->setValue( view()->verticalScrollBar()->value() - ( event->y() - mLastMousePos.y() ) );
31 mLastMousePos = event->pos();
32 view()->viewChanged();
33}
34
36{
37 if ( event->button() == Qt::MiddleButton )
38 {
39 view()->setTool( mPreviousViewTool );
40 }
41}
42
44{
45 mLastMousePos = view()->mapFromGlobal( QCursor::pos() );
46 mPreviousViewTool = view()->tool();
48}
A QgsLayoutViewMouseEvent is the result of a user interaction with the mouse on a QgsLayoutView.
void layoutReleaseEvent(QgsLayoutViewMouseEvent *event) override
Mouse release event for overriding.
void layoutMoveEvent(QgsLayoutViewMouseEvent *event) override
Mouse move event for overriding.
void activate() override
Called when tool is set as the currently active layout tool.
QgsLayoutViewToolTemporaryMousePan(QgsLayoutView *view)
Constructor for QgsLayoutViewToolTemporaryMousePan.
Abstract base class for all layout view tools.
void setCursor(const QCursor &cursor)
Sets a user defined cursor for use when the tool is active.
QgsLayoutView * view() const
Returns the view associated with the tool.
virtual void activate()
Called when tool is set as the currently active layout tool.
A graphical widget to display and interact with QgsLayouts.
Definition: qgslayoutview.h:50
void viewChanged()
Updates associated rulers and other widgets after view extent or zoom has changed.
void setTool(QgsLayoutViewTool *tool)
Sets the tool currently being used in the view.
QgsLayoutViewTool * tool
Definition: qgslayoutview.h:64