HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · tests/manual/polarcharttest/chartview.cpp

Use empty rect for gl series instead of small dummy rect...

Use empty rect for gl series instead of small dummy rect Empty rect triggers the changed signal just as well, and has less change of triggering other updates on the underlying scene. Change-Id: Ifa6a477c14ca74a178657464a1da0f765a880412 Reviewed-by: Titta Heikkala <titta.heikkala@theqtcompany.com>

Titta Heikkala - - Load All Authors

File last commit:

r2776:bc1f6aa59d42


                r2830:1757b2dc576a

Download file

             chartview.cpp
        
                    56 lines
            
             | 1.5 KiB
            
                | text/x-c
            
             |
                CppLexer
            
             / tests / manual / polarcharttest / chartview.cpp
          
                    History
                
                 |
                  Annotation
                 | Raw
                 |Copy content
                 |Copy permalink

      /****************************************************************************

      **

      ** Copyright (C) 2015 The Qt Company Ltd

      ** All rights reserved.

      ** For any questions to The Qt Company, please use contact form at http://qt.io

      **

      ** This file is part of the Qt Charts module.

      **

      ** Licensees holding valid commercial license for Qt may use this file in

      ** accordance with the Qt License Agreement provided with the Software

      ** or, alternatively, in accordance with the terms contained in a written

      ** agreement between you and The Qt Company.

      **

      ** If you have questions regarding the use of this file, please use

      ** contact form at http://qt.io

      **

      ****************************************************************************/

      #include "chartview.h"

      #include <QtGui/QMouseEvent>

      #include <QtCore/QDebug>

      #include <QtCharts/QAbstractAxis>

      QT_CHARTS_USE_NAMESPACE

      ChartView::ChartView(QWidget *parent) :

          QChartView(parent)

      {

      }

      void ChartView::keyPressEvent(QKeyEvent *event)

      {

          switch (event->key()) {

          case Qt::Key_Plus:

              chart()->zoomIn();

              break;

          case Qt::Key_Minus:

              chart()->zoomOut();

              break;

          case Qt::Key_Left:

              chart()->scroll(-1.0, 0);

              break;

          case Qt::Key_Right:

              chart()->scroll(1.0, 0);

              break;

          case Qt::Key_Up:

              chart()->scroll(0, 1.0);

              break;

          case Qt::Key_Down:

              chart()->scroll(0, -1.0);

              break;

          default:

              QGraphicsView::keyPressEvent(event);

              break;

          }

      }

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

				/****************************************************************************
				**
				** Copyright (C) 2015 The Qt Company Ltd
				** All rights reserved.
				** For any questions to The Qt Company, please use contact form at http://qt.io
				**
				** This file is part of the Qt Charts module.
				**
				** Licensees holding valid commercial license for Qt may use this file in
				** accordance with the Qt License Agreement provided with the Software
				** or, alternatively, in accordance with the terms contained in a written
				** agreement between you and The Qt Company.
				**
				** If you have questions regarding the use of this file, please use
				** contact form at http://qt.io
				**
				****************************************************************************/

				#include "chartview.h"
				#include <QtGui/QMouseEvent>
				#include <QtCore/QDebug>
				#include <QtCharts/QAbstractAxis>

				QT_CHARTS_USE_NAMESPACE

				ChartView::ChartView(QWidget *parent) :
				QChartView(parent)
				{
				}

				void ChartView::keyPressEvent(QKeyEvent *event)
				{
				switch (event->key()) {
				case Qt::Key_Plus:
				chart()->zoomIn();
				break;
				case Qt::Key_Minus:
				chart()->zoomOut();
				break;
				case Qt::Key_Left:
				chart()->scroll(-1.0, 0);
				break;
				case Qt::Key_Right:
				chart()->scroll(1.0, 0);
				break;
				case Qt::Key_Up:
				chart()->scroll(0, 1.0);
				break;
				case Qt::Key_Down:
				chart()->scroll(0, -1.0);
				break;
				default:
				QGraphicsView::keyPressEvent(event);
				break;
				}
				}