Add files from zip

2023-10-31 09:22:42 +01:00
parent 6bacdc5f6d
commit 4dae68036f
2788 changed files with 492537 additions and 0 deletions
--- a/examples/controls/KnobBox.cpp
+++ b/examples/controls/KnobBox.cpp
@@ -0,0 +1,132 @@
+/*****************************************************************************
+ * Qwt Examples
+ * Copyright (C) 1997   Josef Wilgen
+ * Copyright (C) 2002   Uwe Rathmann
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the Qwt License, Version 1.0
+ *****************************************************************************/
+
+#include "KnobBox.h"
+
+#include <QwtKnob>
+#include <QwtScaleEngine>
+#include <QwtTransform>
+
+#include <QLabel>
+#include <QLayout>
+
+KnobBox::KnobBox( QWidget* parent, int knobType )
+    : QWidget( parent )
+{
+    m_knob = createKnob( knobType );
+    m_knob->setKnobWidth( 100 );
+
+    m_label = new QLabel( this );
+    m_label->setAlignment( Qt::AlignCenter );
+
+    QVBoxLayout* layout = new QVBoxLayout( this );;
+    layout->setSpacing( 0 );
+    layout->addWidget( m_knob, 10 );
+    layout->addWidget( m_label );
+    layout->addStretch( 10 );
+
+    connect( m_knob, SIGNAL(valueChanged(double)),
+        this, SLOT(setNum(double)) );
+
+    setNum( m_knob->value() );
+}
+
+QwtKnob* KnobBox::createKnob( int knobType ) const
+{
+    QwtKnob* knob = new QwtKnob();
+    knob->setTracking( true );
+
+    switch( knobType )
+    {
+        case 0:
+        {
+            knob->setKnobStyle( QwtKnob::Sunken );
+            knob->setMarkerStyle( QwtKnob::Nub );
+            knob->setWrapping( true );
+            knob->setNumTurns( 4 );
+            knob->setScaleStepSize( 10.0 );
+            knob->setScale( 0, 400 );
+            knob->setTotalSteps( 400 );
+            break;
+        }
+        case 1:
+        {
+            knob->setKnobStyle( QwtKnob::Sunken );
+            knob->setMarkerStyle( QwtKnob::Dot );
+            break;
+        }
+        case 2:
+        {
+            knob->setKnobStyle( QwtKnob::Sunken );
+            knob->setMarkerStyle( QwtKnob::Tick );
+
+            QwtLinearScaleEngine* scaleEngine = new QwtLinearScaleEngine( 2 );
+            scaleEngine->setTransformation( new QwtPowerTransform( 2 ) );
+            knob->setScaleEngine( scaleEngine );
+
+            QList< double > ticks[ QwtScaleDiv::NTickTypes ];
+            ticks[ QwtScaleDiv::MajorTick ] << 0 << 4
+                                            << 16 << 32 << 64 << 96 << 128;
+            ticks[ QwtScaleDiv::MediumTick ] << 24 << 48 << 80 << 112;
+            ticks[ QwtScaleDiv::MinorTick ]
+                << 0.5 << 1 << 2
+                << 7 << 10 << 13
+                << 20 << 28
+                << 40 << 56
+                << 72 << 88
+                << 104 << 120;
+
+            knob->setScale( QwtScaleDiv( 0, 128, ticks ) );
+
+            knob->setTotalSteps( 100 );
+            knob->setStepAlignment( false );
+            knob->setSingleSteps( 1 );
+            knob->setPageSteps( 5 );
+
+            break;
+        }
+        case 3:
+        {
+            knob->setKnobStyle( QwtKnob::Flat );
+            knob->setMarkerStyle( QwtKnob::Notch );
+            knob->setScaleEngine( new QwtLogScaleEngine() );
+            knob->setScaleStepSize( 1.0 );
+            knob->setScale( 0.1, 1000.0 );
+            knob->setScaleMaxMinor( 10 );
+            break;
+        }
+        case 4:
+        {
+            knob->setKnobStyle( QwtKnob::Raised );
+            knob->setMarkerStyle( QwtKnob::Dot );
+            knob->setWrapping( true );
+            break;
+        }
+        case 5:
+        {
+            knob->setKnobStyle( QwtKnob::Styled );
+            knob->setMarkerStyle( QwtKnob::Triangle );
+            knob->setTotalAngle( 180.0 );
+            knob->setScale( 100, -100 );
+            break;
+        }
+    }
+
+    return knob;
+}
+
+void KnobBox::setNum( double v )
+{
+    QString text;
+    text.setNum( v, 'f', 2 );
+
+    m_label->setText( text );
+}
+
+#include "moc_KnobBox.cpp"