mirror of
https://github.com/juce-framework/JUCE.git
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123 lines
3.7 KiB
C++
123 lines
3.7 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2015 - ROLI Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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class ChannelClickListener
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{
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public:
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virtual ~ChannelClickListener() {}
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virtual void channelButtonClicked (int channelIndex) = 0;
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};
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class SurroundEditor : public AudioProcessorEditor,
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public ButtonListener,
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private Timer
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{
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public:
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SurroundEditor (AudioProcessor& parent)
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: AudioProcessorEditor (parent),
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currentChannelLayout (AudioChannelSet::disabled()),
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noChannelsLabel ("noChannelsLabel", "Input disabled")
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{
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addAndMakeVisible (noChannelsLabel);
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setSize (640, 64);
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timerCallback();
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startTimer (500);
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}
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~SurroundEditor()
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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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noChannelsLabel.setBounds (r);
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if (channelButtons.size() > 0)
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{
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const int buttonWidth = r.getWidth() / channelButtons.size();
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for (int i = 0; i < channelButtons.size(); ++i)
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channelButtons[i]->setBounds (r.removeFromLeft (buttonWidth));
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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 buttonClicked (Button* btn) override
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{
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if (TextButton* textButton = dynamic_cast<TextButton*> (btn))
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{
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const int channelIndex = channelButtons.indexOf (textButton);
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if (ChannelClickListener* listener = dynamic_cast<ChannelClickListener*> (getAudioProcessor()))
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listener->channelButtonClicked (channelIndex);
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}
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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 AudioChannelSet& channelSet = getAudioProcessor()->busArrangement.outputBuses.getReference (0).channels;
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if (channelSet != currentChannelLayout)
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{
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currentChannelLayout = channelSet;
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channelButtons.clear();
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if (currentChannelLayout == AudioChannelSet::disabled())
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{
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noChannelsLabel.setVisible (true);
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}
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else
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{
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const int numChannels = currentChannelLayout.size();
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for (int i = 0; i < numChannels; ++i)
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{
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const String channelName =
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AudioChannelSet::getAbbreviatedChannelTypeName (currentChannelLayout.getTypeOfChannel (i));
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TextButton* newButton;
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channelButtons.add (newButton = new TextButton (channelName, channelName));
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newButton->addListener (this);
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addAndMakeVisible (newButton);
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}
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noChannelsLabel.setVisible (false);
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resized();
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}
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}
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}
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AudioChannelSet currentChannelLayout;
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Label noChannelsLabel;
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OwnedArray<TextButton> channelButtons;
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};
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