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BionxControl/bcvalueeditor.cpp

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#include <bcsliderstyle.h>
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#include <bcvalueeditor.h>
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#include <bcvalue.h>
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BCValueEditor::BCValueEditor( QWidget *parent )
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: QWidget(parent)
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{
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setupUi(this);
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// wir wollen ja modern sein
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_slider->setStyle(new BCSliderStyle());
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setAutoFillBackground(true);
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QSizePolicy sp = _commitButton->sizePolicy();
sp.setRetainSizeWhenHidden(true); // <--- Das ist der magische Schalter
_commitButton->setSizePolicy(sp);
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// Wenn Slider bewegt wird -> Signal nach außen senden
connect(_slider, &QSlider::valueChanged, this, [this](int val)
{
emit valueChanged(val);
});
// Wenn Reset gedrückt wird -> Slider auf 0 (löst auch valueChanged aus)
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connect(_commitButton, &QPushButton::clicked, this, [this]()
{
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emit valueCommited( value() );
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});
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}
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int BCValueEditor::value() const
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{
return _slider->value();
}
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void BCValueEditor::setValueAndRange( const BCValueEditorParams& params )
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{
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_slider->setRange( params.min, params.max);
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// Block Signals verhindern Endlosschleifen, falls das Model
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// das Widget während des Updates neu setzt (passiert manchmal bei Live-Updates).
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if (params.value != _slider->value())
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{
bool blocked = _slider->blockSignals(true);
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_slider->setValue(params.value);
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_slider->blockSignals(blocked);
}
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}