QskBoundedRangeInput added

src/controls/QskBoundedInput.cpp

@@ -7,6 +7,8 @@
 #include "QskFunctions.h"
 #include "QskIntervalF.h"
 
+#include <cmath>
+
 QSK_SYSTEM_STATE( QskBoundedInput, ReadOnly, ( QskAspect::FirstSystemState << 1 ) )
 
 class QskBoundedInput::PrivateData
@@ -145,13 +147,20 @@ qreal QskBoundedInput::boundaryLength() const
 
 void QskBoundedInput::setStepSize( qreal stepSize )
 {
-    if ( qskFuzzyCompare( m_data->stepSize, stepSize ) )
+    if ( qFuzzyIsNull( stepSize ) )
+        stepSize = 0.0;
+
+    if ( qFuzzyCompare( m_data->stepSize, stepSize ) )
         return;
 
     m_data->stepSize = stepSize;
     Q_EMIT stepSizeChanged( stepSize );
 
-    update();
+    if ( isComponentComplete() )
+    {
+        if ( m_data->snap && stepSize )
+            alignInput();
+    }
 }
 
 qreal QskBoundedInput::stepSize() const
@@ -166,8 +175,6 @@ void QskBoundedInput::setPageSize( int pageSize )
 
     m_data->pageSize = pageSize;
     Q_EMIT pageSizeChanged( pageSize );
-
-    update();
 }
 
 int QskBoundedInput::pageSize() const
@@ -212,6 +219,33 @@ bool QskBoundedInput::snap() const
     return m_data->snap;
 }
 
+qreal QskBoundedInput::alignedValue( qreal value ) const
+{
+    if ( m_data->snap )
+    {
+        if ( const auto step = m_data->stepSize )
+            value = qRound( value / step ) * step;
+    }
+    
+    return qBound( minimum(), value, maximum() );
+}
+
+QskIntervalF QskBoundedInput::alignedInterval( const QskIntervalF& interval ) const
+{
+    if ( m_data->snap )
+    {
+        if ( const auto step = m_data->stepSize )
+        {
+            const qreal lower = std::floor( interval.lowerBound() / step ) * step;
+            const qreal upper = std::ceil( interval.upperBound() / step ) * step;
+
+            return QskIntervalF( lower, upper );
+        }
+    }
+
+    return interval;
+}
+
 void QskBoundedInput::setReadOnly( bool readOnly )
 {
     if ( readOnly == isReadOnly() )

src/controls/QskBoundedInput.h

@@ -87,6 +87,9 @@ class QSK_EXPORT QskBoundedInput : public QskControl
 
     virtual void alignInput() = 0;
 
+    qreal alignedValue( qreal ) const;
+    QskIntervalF alignedInterval( const QskIntervalF& ) const;
+
   private:
     void adjustBoundaries( bool increasing );
 

src/controls/QskBoundedRangeInput.cpp

@@ -0,0 +1,135 @@
+/******************************************************************************
+ * QSkinny - Copyright (C) 2016 Uwe Rathmann
+ * This file may be used under the terms of the QSkinny License, Version 1.0
+ *****************************************************************************/
+
+#include "QskBoundedRangeInput.h"
+#include "QskIntervalF.h"
+#include "QskFunctions.h"
+
+QskBoundedRangeInput::QskBoundedRangeInput( QQuickItem* parent )
+    : QskBoundedInput( parent )
+{
+}
+
+QskBoundedRangeInput::QskBoundedRangeInput(
+        const QskIntervalF& range, QQuickItem* parent )
+    : QskBoundedInput( parent )
+    , m_range( range )
+{
+}
+
+QskBoundedRangeInput::~QskBoundedRangeInput()
+{
+}
+
+void QskBoundedRangeInput::setLowerValueAsRatio( qreal ratio )
+{
+    ratio = qBound( 0.0, ratio, 1.0 );
+    setLowerValue( minimum() + ratio * boundaryLength() );
+}
+
+qreal QskBoundedRangeInput::lowerValueAsRatio() const 
+{
+    return ( lowerValue() - minimum() ) / boundaryLength();
+}
+
+void QskBoundedRangeInput::setUpperValueAsRatio( qreal ratio )
+{
+    ratio = qBound( 0.0, ratio, 1.0 );
+    setUpperValue( minimum() + ratio * boundaryLength() );
+}
+
+qreal QskBoundedRangeInput::upperValueAsRatio() const
+{   
+    return ( upperValue() - minimum() ) / boundaryLength();
+}
+
+void QskBoundedRangeInput::setLowerValue( qreal value )
+{
+    if ( isComponentComplete() )
+        value = qBound( minimum(), value, maximum() );
+
+    const auto upperValue = std::max( m_range.upperBound(), value );
+    setRange( QskIntervalF( value, upperValue ) );
+}
+
+qreal QskBoundedRangeInput::lowerValue() const
+{
+    return m_range.lowerBound();
+}
+
+void QskBoundedRangeInput::setUpperValue( qreal value )
+{
+    if ( isComponentComplete() )
+        value = qBound( minimum(), value, maximum() );
+
+    const auto lowerValue = std::min( m_range.lowerBound(), value );
+    setRange( QskIntervalF( lowerValue, value ) );
+}   
+
+qreal QskBoundedRangeInput::upperValue() const
+{
+    return m_range.upperBound();
+}
+
+void QskBoundedRangeInput::setRange( qreal lowerValue, qreal upperValue )
+{
+    setRange( QskIntervalF( lowerValue, upperValue ) );
+}
+
+void QskBoundedRangeInput::setRange( const QskIntervalF& range )
+{
+    auto newRange = range;
+
+    if ( isComponentComplete() )
+    {
+        newRange = alignedInterval( newRange );
+        newRange = fixupRange( newRange );
+    }
+
+    setRangeInternal( range );
+} 
+    
+void QskBoundedRangeInput::resetRange()
+{
+    if ( m_range.isValid() )
+    {
+        m_range.invalidate();
+        Q_EMIT rangeChanged( m_range );
+    }
+}
+
+void QskBoundedRangeInput::setRangeInternal( const QskIntervalF& range )
+{
+    if ( range != m_range )
+    {
+        const auto oldRange = m_range;
+        m_range = range;
+
+        if ( !qskFuzzyCompare( m_range.lowerBound(), oldRange.lowerBound() ) )
+            Q_EMIT lowerValueChanged( m_range.lowerBound() );
+
+        if ( !qskFuzzyCompare( m_range.upperBound(), oldRange.upperBound() ) )
+            Q_EMIT upperValueChanged( m_range.upperBound() );
+
+        Q_EMIT rangeChanged( m_range );
+    }
+}
+
+QskIntervalF QskBoundedRangeInput::range() const
+{   
+    return m_range;
+} 
+
+void QskBoundedRangeInput::alignInput()
+{
+    setRangeInternal( alignedInterval( m_range ) );
+}
+
+QskIntervalF QskBoundedRangeInput::fixupRange( const QskIntervalF& range ) const
+{
+    return range;
+}
+
+#include "moc_QskBoundedRangeInput.cpp"

src/controls/QskBoundedRangeInput.h

@@ -0,0 +1,70 @@
+/******************************************************************************
+ * QSkinny - Copyright (C) 2016 Uwe Rathmann
+ * This file may be used under the terms of the QSkinny License, Version 1.0
+ *****************************************************************************/
+
+#ifndef QSK_BOUNDED_RANGE_INPUT_H
+#define QSK_BOUNDED_RANGE_INPUT_H
+
+#include "QskBoundedInput.h"
+#include "QskIntervalF.h"
+
+class QSK_EXPORT QskBoundedRangeInput : public QskBoundedInput
+{
+    Q_OBJECT
+
+    Q_PROPERTY( qreal lowerValue READ lowerValue
+        WRITE setLowerValue NOTIFY lowerValueChanged )
+
+    Q_PROPERTY( qreal upperValue READ upperValue
+        WRITE setUpperValue NOTIFY upperValueChanged )
+
+    Q_PROPERTY( QskIntervalF range READ range WRITE setRange
+        RESET resetRange NOTIFY rangeChanged )
+
+    using Inherited = QskBoundedInput;
+
+  public:
+    QskBoundedRangeInput( QQuickItem* parent = nullptr );
+    QskBoundedRangeInput( const QskIntervalF&, QQuickItem* parent = nullptr );
+    ~QskBoundedRangeInput() override;
+
+    void setRange( qreal lowerValue, qreal upperValue );
+    void resetRange();
+
+    QskIntervalF range() const;
+
+    qreal lowerValue() const;
+    qreal upperValue() const;
+
+    // [0.0, 1.0]
+    qreal lowerValueAsRatio() const; 
+    qreal upperValueAsRatio() const; 
+
+  public Q_SLOTS:
+    void setRange( const QskIntervalF& );
+
+    void setLowerValue( qreal );
+    void setUpperValue( qreal );
+
+    void setLowerValueAsRatio( qreal );
+    void setUpperValueAsRatio( qreal );
+
+  Q_SIGNALS:
+    void rangeChanged( const QskIntervalF& );
+    void lowerValueChanged( qreal );
+    void upperValueChanged( qreal );
+
+  protected:
+    virtual QskIntervalF fixupRange( const QskIntervalF& ) const;
+
+    void alignInput() override;
+
+  private:
+    void setRangeInternal( const QskIntervalF& );
+    void adjustValue();
+
+    QskIntervalF m_range;
+};
+
+#endif

src/controls/QskBoundedValueInput.cpp

@@ -15,26 +15,12 @@ QskBoundedValueInput::~QskBoundedValueInput()
 {
 }
 
-qreal QskBoundedValueInput::alignedValue( qreal value ) const
-{
-    if ( snap() )
-    {
-        if ( const auto step = stepSize() )
-            value = qRound( value / step ) * step;
-    }
-
-    return qBound( minimum(), value, maximum() );
-}
-
 void QskBoundedValueInput::alignInput()
 {
-    const auto newValue = alignedValue( m_value );
+    auto value = alignedValue( m_value );
+    value = fixupValue( value );
 
-    if ( newValue != m_value )
-    {
-        m_value = newValue;
-        Q_EMIT valueChanged( newValue );
-    }
+    setValueInternal( value );
 }
 
 qreal QskBoundedValueInput::fixupValue( qreal value ) const
@@ -58,17 +44,10 @@ void QskBoundedValueInput::setValue( qreal value )
     if ( isComponentComplete() )
     {
         value = alignedValue( value );
+        value = fixupValue( value );
     }
 
-    value = fixupValue( value );
-
-    if ( !qskFuzzyCompare( value, m_value ) )
-    {
-        m_value = value;
-        Q_EMIT valueChanged( value );
-
-        update();
-    }
+    setValueInternal( value );
 }
 
 qreal QskBoundedValueInput::value() const
@@ -81,4 +60,15 @@ void QskBoundedValueInput::increment( qreal offset )
     setValue( m_value + offset );
 }
 
+void QskBoundedValueInput::setValueInternal( qreal value )
+{
+    if ( !qskFuzzyCompare( value, m_value ) )
+    {
+        m_value = value;
+        Q_EMIT valueChanged( value );
+
+        update();
+    }
+}
+
 #include "moc_QskBoundedValueInput.cpp"

src/controls/QskBoundedValueInput.h

@@ -40,10 +40,9 @@ class QSK_EXPORT QskBoundedValueInput : public QskBoundedInput
     void alignInput() override;
 
   private:
+    void setValueInternal( qreal value );
     void adjustValue();
 
-    qreal alignedValue( qreal value ) const;
-
     qreal m_value = 0.0;
 };
 

src/src.pro

@@ -111,6 +111,7 @@ HEADERS += \
     controls/QskAnimationHint.h \
     controls/QskAnimator.h \
     controls/QskBoundedInput.h \
+    controls/QskBoundedRangeInput.h \
     controls/QskBoundedValueInput.h \
     controls/QskBox.h \
     controls/QskBoxSkinlet.h \
@@ -180,6 +181,7 @@ SOURCES += \
     controls/QskAbstractButton.cpp \
     controls/QskAnimator.cpp \
     controls/QskBoundedInput.cpp \
+    controls/QskBoundedRangeInput.cpp \
     controls/QskBoundedValueInput.cpp \
     controls/QskBox.cpp \
     controls/QskBoxSkinlet.cpp \