QT5 -- Add Qwt 6.1-multiaxes

2026-02-13 16:18:42 +00:00 · 2013-12-09 10:02:47 +00:00
parent 03d3afdf53
commit 5abf8776f1
492 changed files with 97336 additions and 0 deletions
--- a/qwt/examples/controls/wheelbox.cpp
+++ b/qwt/examples/controls/wheelbox.cpp
@@ -0,0 +1,188 @@
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qwt_wheel.h>
+#include <qwt_thermo.h>
+#include <qwt_scale_engine.h>
+#include <qwt_transform.h>
+#include <qwt_color_map.h>
+#include "wheelbox.h"
+
+WheelBox::WheelBox( Qt::Orientation orientation,
+        int type, QWidget *parent ):
+    QWidget( parent )
+{
+    QWidget *box = createBox( orientation, type );
+    d_label = new QLabel( this );
+    d_label->setAlignment( Qt::AlignHCenter | Qt::AlignTop );
+
+    QBoxLayout *layout = new QVBoxLayout( this );
+    layout->addWidget( box );
+    layout->addWidget( d_label );
+
+    setNum( d_wheel->value() );
+
+    connect( d_wheel, SIGNAL( valueChanged( double ) ), 
+        this, SLOT( setNum( double ) ) );
+}
+
+QWidget *WheelBox::createBox( 
+    Qt::Orientation orientation, int type ) 
+{
+    d_wheel = new QwtWheel();
+    d_wheel->setValue( 80 );
+    d_wheel->setWheelWidth( 20 );
+    d_wheel->setMass( 1.0 );
+
+    d_thermo = new QwtThermo();
+    d_thermo->setOrientation( orientation );
+
+    if ( orientation == Qt::Horizontal )
+    {
+        d_thermo->setScalePosition( QwtThermo::LeadingScale );
+        d_wheel->setOrientation( Qt::Vertical );
+    }
+    else
+    {
+        d_thermo->setScalePosition( QwtThermo::TrailingScale );
+        d_wheel->setOrientation( Qt::Horizontal );
+    }
+
+    switch( type )
+    {
+        case 0:
+        {
+            QwtLinearColorMap *colorMap = new QwtLinearColorMap(); 
+            colorMap->setColorInterval( Qt::blue, Qt::red );
+            d_thermo->setColorMap( colorMap );
+
+            break;
+        }
+        case 1:
+        {
+            QwtLinearColorMap *colorMap = new QwtLinearColorMap();
+            colorMap->setMode( QwtLinearColorMap::FixedColors );
+
+            int idx = 4;
+
+            colorMap->setColorInterval( Qt::GlobalColor( idx ),
+                Qt::GlobalColor( idx + 10 ) );
+            for ( int i = 1; i < 10; i++ )
+            {
+                colorMap->addColorStop( i / 10.0, 
+                    Qt::GlobalColor( idx + i ) );
+            }
+
+            d_thermo->setColorMap( colorMap );
+            break;
+        }
+        case 2:
+        {
+            d_wheel->setRange( 10, 1000 );
+            d_wheel->setSingleStep( 1.0 );
+
+            d_thermo->setScaleEngine( new QwtLogScaleEngine );
+            d_thermo->setScaleMaxMinor( 10 );
+
+            d_thermo->setFillBrush( Qt::darkCyan );
+            d_thermo->setAlarmBrush( Qt::magenta );
+            d_thermo->setAlarmLevel( 500.0 );
+
+            d_wheel->setValue( 800 );
+
+            break;
+        }
+        case 3:
+        {
+            d_wheel->setRange( -1000, 1000 );
+            d_wheel->setSingleStep( 1.0 );
+            d_wheel->setPalette( QColor( "Tan" ) );
+
+            QwtLinearScaleEngine *scaleEngine = new QwtLinearScaleEngine();
+            scaleEngine->setTransformation( new QwtPowerTransform( 2 ) );
+
+            d_thermo->setScaleMaxMinor( 5 );
+            d_thermo->setScaleEngine( scaleEngine );
+
+            QPalette pal = palette();
+            pal.setColor( QPalette::Base, Qt::darkGray );
+            pal.setColor( QPalette::ButtonText, QColor( "darkKhaki" ) );
+
+            d_thermo->setPalette( pal );
+            break;
+        }
+        case 4:
+        {
+            d_wheel->setRange( -100, 300 );
+            d_wheel->setInverted( true );
+
+            QwtLinearColorMap *colorMap = new QwtLinearColorMap(); 
+            colorMap->setColorInterval( Qt::darkCyan, Qt::yellow );
+            d_thermo->setColorMap( colorMap );
+
+            d_wheel->setValue( 243 );
+
+            break;
+        }
+        case 5:
+        {
+            d_thermo->setFillBrush( Qt::darkCyan );
+            d_thermo->setAlarmBrush( Qt::magenta );
+            d_thermo->setAlarmLevel( 60.0 );
+
+            break;
+        }
+        case 6:
+        {
+            d_thermo->setOriginMode( QwtThermo::OriginMinimum );
+            d_thermo->setFillBrush( QBrush( "DarkSlateBlue" ) );
+            d_thermo->setAlarmBrush( QBrush( "DarkOrange" ) );
+            d_thermo->setAlarmLevel( 60.0 );
+
+            break;
+        }
+        case 7:
+        {
+            d_wheel->setRange( -100, 100 );
+
+            d_thermo->setOriginMode( QwtThermo::OriginCustom );
+            d_thermo->setOrigin( 0.0 );
+            d_thermo->setFillBrush( Qt::darkBlue );
+
+            break;
+        }
+    }
+
+    double min = d_wheel->minimum();
+    double max = d_wheel->maximum();
+
+    if ( d_wheel->isInverted() )
+        qSwap( min, max );
+
+    d_thermo->setScale( min, max );
+    d_thermo->setValue( d_wheel->value() );
+
+    connect( d_wheel, SIGNAL( valueChanged( double ) ), 
+        d_thermo, SLOT( setValue( double ) ) );
+
+    QWidget *box = new QWidget();
+
+    QBoxLayout *layout;
+
+    if ( orientation == Qt::Horizontal )
+        layout = new QHBoxLayout( box );
+    else
+        layout = new QVBoxLayout( box );
+
+    layout->addWidget( d_thermo, Qt::AlignCenter );
+    layout->addWidget( d_wheel );
+
+    return box;
+}
+
+void WheelBox::setNum( double v )
+{
+    QString text;
+    text.setNum( v, 'f', 2 );
+
+    d_label->setText( text );
+}