Add files from zip

examples/legends/MainWindow.cpp

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+/*****************************************************************************
+ * Qwt Examples - Copyright (C) 2002 Uwe Rathmann
+ * This file may be used under the terms of the 3-clause BSD License
+ *****************************************************************************/
+
+#include "Plot.h"
+#include "Panel.h"
+#include "MainWindow.h"
+
+#include <QwtPlotRenderer>
+
+#include <QToolBar>
+#include <QToolButton>
+#include <QLayout>
+
+MainWindow::MainWindow( QWidget* parent )
+    : QMainWindow( parent )
+{
+    m_plot = new Plot();
+
+    Settings settings;
+    settings.legend.isEnabled = true;
+    settings.legend.position = QwtPlot::BottomLegend;
+
+    settings.legendItem.isEnabled = false;
+    settings.legendItem.numColumns = 1;
+    settings.legendItem.alignment = Qt::AlignRight | Qt::AlignVCenter;
+    settings.legendItem.backgroundMode = 0;
+    settings.legendItem.size = m_plot->canvas()->font().pointSize();
+
+    settings.curve.numCurves = 4;
+    settings.curve.title = "Curve";
+
+    m_panel = new Panel();
+    m_panel->setSettings( settings );
+
+    QWidget* box = new QWidget( this );
+    QHBoxLayout* layout = new QHBoxLayout( box );
+    layout->addWidget( m_plot, 10 );
+    layout->addWidget( m_panel );
+
+    setCentralWidget( box );
+
+    QToolBar* toolBar = new QToolBar( this );
+
+    QToolButton* btnExport = new QToolButton( toolBar );
+    btnExport->setText( "Export" );
+    toolBar->addWidget( btnExport );
+
+    addToolBar( toolBar );
+
+    updatePlot();
+
+    connect( m_panel, SIGNAL(edited()), SLOT(updatePlot()) );
+    connect( btnExport, SIGNAL(clicked()), SLOT(exportPlot()) );
+}
+
+void MainWindow::updatePlot()
+{
+    m_plot->applySettings( m_panel->settings() );
+}
+
+void MainWindow::exportPlot()
+{
+    QwtPlotRenderer renderer;
+    renderer.exportTo( m_plot, "legends.pdf" );
+}
+
+#include "moc_MainWindow.cpp"