68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
/*****************************************************************************
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* Qwt Examples - Copyright (C) 2002 Uwe Rathmann
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* This file may be used under the terms of the 3-clause BSD License
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*****************************************************************************/
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#include "MainWindow.h"
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#include "Plot.h"
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#include "Panel.h"
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#include <QwtDate>
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#include <QwtScaleWidget>
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#include <QLayout>
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MainWindow::MainWindow( QWidget* parent )
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: QMainWindow( parent )
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{
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Settings settings;
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#if 1
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settings.startDateTime = QDateTime( QDate( 2012, 10, 27 ), QTime( 18, 5, 0, 0 ) );
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settings.endDateTime = QDateTime( QDate( 2012, 10, 28 ), QTime( 12, 12, 0, 0 ) );
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#else
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settings.startDateTime = QDateTime( QDate( 2011, 5, 3 ), QTime( 0, 6, 0, 0 ) );
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settings.endDateTime = QDateTime( QDate( 2012, 3, 10 ), QTime( 0, 5, 0, 0 ) );
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#endif
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settings.maxMajorSteps = 10;
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settings.maxMinorSteps = 8;
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settings.maxWeeks = -1;
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m_plot = new Plot();
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m_panel = new Panel();
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m_panel->setSettings( settings );
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QWidget* box = new QWidget( this );
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QHBoxLayout* layout = new QHBoxLayout( box );
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layout->addWidget( m_plot, 10 );
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layout->addWidget( m_panel );
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setCentralWidget( box );
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updatePlot();
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connect( m_panel, SIGNAL(edited()), SLOT(updatePlot()) );
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connect( m_plot->axisWidget( QwtAxis::YLeft ),
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SIGNAL(scaleDivChanged()), SLOT(updatePanel()) );
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}
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void MainWindow::updatePlot()
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{
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m_plot->blockSignals( true );
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m_plot->applySettings( m_panel->settings() );
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m_plot->blockSignals( false );
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}
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void MainWindow::updatePanel()
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{
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const QwtScaleDiv scaleDiv = m_plot->axisScaleDiv( QwtAxis::YLeft );
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Settings settings = m_panel->settings();
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settings.startDateTime = QwtDate::toDateTime( scaleDiv.lowerBound(), QTimeZone::LocalTime );
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settings.endDateTime = QwtDate::toDateTime( scaleDiv.upperBound(), QTimeZone::LocalTime );
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m_panel->setSettings( settings );
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}
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#include "moc_MainWindow.cpp"
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