QGIS API Documentation  3.23.0-Master (7c4a6de034)
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