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https://github.com/juce-framework/JUCE.git
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110 lines
3.5 KiB
C++
110 lines
3.5 KiB
C++
/*
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==============================================================================
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GenericEditor.h
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Created: 23 Nov 2015 3:08:33pm
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Author: Fabian Renn
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==============================================================================
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*/
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class GenericEditor : public AudioProcessorEditor,
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public SliderListener,
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private Timer
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{
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public:
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enum
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{
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kParamSliderHeight = 40,
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kParamLabelWidth = 80,
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kParamSliderWidth = 300
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};
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GenericEditor (AudioProcessor& parent)
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: AudioProcessorEditor (parent),
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noParameterLabel ("noparam", "No parameters available")
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{
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const OwnedArray<AudioProcessorParameter>& params = parent.getParameters();
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for (int i = 0; i < params.size(); ++i)
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{
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if (const AudioParameterFloat* param = dynamic_cast<AudioParameterFloat*>(params[i]))
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{
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Slider* aSlider;
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paramSliders.add (aSlider = new Slider (param->name));
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aSlider->setRange (param->range.start, param->range.end);
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aSlider->setSliderStyle (Slider::LinearHorizontal);
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aSlider->setValue (dynamic_cast<const AudioProcessorParameter*>(param)->getValue());
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aSlider->addListener (this);
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addAndMakeVisible (aSlider);
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Label* aLabel;
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paramLabels.add (aLabel = new Label (param->name, param->name));
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addAndMakeVisible (aLabel);
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}
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}
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noParameterLabel.setJustificationType (Justification::horizontallyCentred | Justification::verticallyCentred);
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noParameterLabel.setFont (noParameterLabel.getFont().withStyle (Font::italic));
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setSize (kParamSliderWidth + kParamLabelWidth,
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jmax (1, kParamSliderHeight * paramSliders.size()));
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if (paramSliders.size() == 0)
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addAndMakeVisible (noParameterLabel);
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else
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startTimer (100);
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}
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~GenericEditor()
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{
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}
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void resized() override
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{
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Rectangle<int> r = getLocalBounds();
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noParameterLabel.setBounds (r);
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for (int i = 0; i < paramSliders.size(); ++i)
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{
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Rectangle<int> paramBounds = r.removeFromTop (kParamSliderHeight);
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Rectangle<int> labelBounds = paramBounds.removeFromLeft (kParamLabelWidth);
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paramLabels[i]->setBounds (labelBounds);
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paramSliders[i]->setBounds (paramBounds);
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}
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}
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void paint (Graphics& g) override
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{
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g.fillAll (Colours::white);
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}
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void sliderValueChanged (Slider* slider) override
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{
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const OwnedArray<AudioProcessorParameter>& params = getAudioProcessor()->getParameters();
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int paramIndex = paramSliders.indexOf (slider);
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if (paramIndex >= 0 && paramIndex < params.size())
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params[paramIndex]->setValueNotifyingHost ((float) slider->getValue());
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}
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private:
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void timerCallback() override
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{
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const OwnedArray<AudioProcessorParameter>& params = getAudioProcessor()->getParameters();
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for (int i = 0; i < params.size(); ++i)
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{
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if (const AudioProcessorParameter* param = params[i])
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{
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if (i < paramSliders.size())
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paramSliders[i]->setValue (param->getValue());
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}
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}
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}
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Label noParameterLabel;
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OwnedArray<Slider> paramSliders;
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OwnedArray<Label> paramLabels;
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};
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