QGIS API Documentation  3.19.0-Master (26212d215f)
qgslayoutviewtooltemporarykeypan.cpp
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1 /***************************************************************************
2  qgslayoutviewtooltemporarykeypan.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->key() == Qt::Key_Space && !event->isAutoRepeat() )
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 keyReleaseEvent(QKeyEvent *event) override
Key release event for overriding.
QgsLayoutViewToolTemporaryKeyPan(QgsLayoutView *view)
Constructor for QgsLayoutViewToolTemporaryKeyPan.
void layoutMoveEvent(QgsLayoutViewMouseEvent *event) override
Mouse move event for overriding.
void activate() override
Called when tool is set as the currently active layout tool.
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