init

Source/PluginEditor.h

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+/*
+  ==============================================================================
+
+    PluginProcessor.cpp
+    Created: 5 Sep 2023
+    Author:  binya
+
+  ==============================================================================
+*/
+
+#pragma once
+#include <JuceHeader.h>
+
+#include "PluginProcessor.h"
+#include "CustomLookAndFeel.h"
+#include "Components/Buttons.h"
+#include "Components/InputDeviceSelector.h"
+#include "Components/SampleEditor.h"
+#include "Components/FxChain.h"
+#include "Components/Prompt.h"
+#include "Components/SampleNavigator.h"
+
+/** Painting ordering requires a separate component... */
+class EditorOverlay final : public CustomComponent
+{
+public:
+    void setWaveformMode(bool isWaveformMode)
+    {
+        if (waveformModeAvailable != isWaveformMode)
+        {
+            waveformModeAvailable = isWaveformMode;
+            repaint();
+        }
+    }
+
+    void setWaveformModeDisabled(bool disabled)
+    {
+        if (waveformModeDisabled != disabled)
+        {
+            waveformModeDisabled = disabled;
+            repaint();
+        }
+    }
+
+private:
+    void paint(juce::Graphics& g) override;
+    void resized() override;
+    void lookAndFeelChanged() override;
+
+    float scale(float value) const { return value * getWidth() / Layout::figmaWidth; }
+    float scale(int value) const { return scale(float(value)); }
+
+    //==============================================================================
+    melatonin::DropShadow sampleControlShadow{ defaultTheme.slate.withAlpha(0.125f), 3, {2, 2} };
+    melatonin::DropShadow navControlShadow{ defaultTheme.slate.withAlpha(0.125f), 3, {-2, -2} };
+
+    bool waveformModeAvailable{ false };
+    bool waveformModeDisabled{ false };
+};
+
+//==============================================================================
+class JustaSampleAudioProcessorEditor final : public juce::AudioProcessorEditor, public juce::Timer, public juce::FileDragAndDropTarget, 
+                                              public juce::FilenameComponentListener, public CustomHelpTextDisplay, public ThemeProvider
+{
+public:
+    explicit JustaSampleAudioProcessorEditor(JustaSampleAudioProcessor& audioProcessor);
+    ~JustaSampleAudioProcessorEditor() override;
+
+private:
+    void timerCallback() override;
+    void paint(juce::Graphics&) override;
+    void resized() override;
+    void lookAndFeelChanged() override;
+
+    void mouseDown(const juce::MouseEvent& event) override;
+    void mouseUp(const juce::MouseEvent& event) override;
+    void mouseDrag(const juce::MouseEvent& event) override;
+
+    void mouseWheelMove(const juce::MouseEvent& event, const juce::MouseWheelDetails& wheel) override;
+
+    void helpTextChanged(const juce::String&) override {}
+
+    void setTheme(Colors newTheme) override;
+    Colors getTheme() const override;
+
+    juce::Rectangle<int> getConstrainedBounds() const;
+
+    //==============================================================================
+    /** Update the Editor to fit with the processor's sample. On the initial load, the
+        SampleNavigator will not update the viewing bounds.
+    */
+    void loadSample();
+
+    /** Handles the incoming recording messages from the recorder queue */
+    void handleActiveRecording();
+
+    /** If permitted, toggles whether the plugin state will use a file reference or store the 
+        samples directly. If necessary, this will prompt the user to save the current sample.
+    */
+    void toggleLinkSample();
+
+    /** Signals to the processor to start recording, or first opens the device settings prompt if 
+        no valid input device is selected. Note that no editor changes occur here, instead it polls
+        for changes in the timer callback (simpler than registering as a listener to the recorder).
+    */
+    void startRecording(bool promptSettings = true);
+
+    /** Starts a pitch detection prompt */
+    void promptPitchDetection();
+
+    /** Opens the device settings prompt */
+    void promptDeviceSettings(bool recordOnClose = false);
+
+    /** We use this as a place to update the enablement and display of our plugin controls. */
+    void enablementChanged() override;
+    void fxEnablementChanged();
+
+    //==============================================================================
+    /** Whether the editor is interested in a file */
+    bool isInterestedInFile(const juce::String& file) const;
+    bool isInterestedInFileDrag(const juce::StringArray& files) override;
+    void filesDropped(const juce::StringArray& files, int x, int y) override;
+    void filenameComponentChanged(juce::FilenameComponent* fileComponentThatHasChanged) override;
+
+    void fileDragEnter(const juce::StringArray& files, int x, int y) override;
+    void fileDragExit(const juce::StringArray& files) override;
+
+    void updateLabel(const juce::String& text = "");
+
+    //==============================================================================
+    /** Scaling the sizes in our Figma demo to percentages of width.
+        This rounding operation is important to ensure consistent spacing with JUCE's integer component bounds.
+        Otherwise, we'd just do a simple division.
+     */
+    float scalei(int value) const { return scalei(float(value)); }
+    float scalei(float value) const { return std::roundf(value * prompt.getWidth() / Layout::figmaWidth); }
+    float scalef(float value) const { return value * prompt.getWidth() / Layout::figmaWidth; }
+
+    //==============================================================================
+    JustaSampleAudioProcessor& p;
+    PluginParameters::State& pluginState;
+    UIDummyParam dummyParam;
+    const juce::OwnedArray<CustomSamplerVoice>& synthVoices;
+    bool currentlyPlaying{ false };
+
+    /** Some thought is needed to keep the editor synchronized when changes to the sample occur
+        or files are loaded. I decided the easiest way is to have the processor and editor both
+        keep track of the buffer's hash.
+    */
+    juce::String expectedHash{ 0 };
+
+    bool userDraggedSample{ false };  // We use this to reset the UI only when a sample loads as result of a user selection
+
+    //==============================================================================
+    juce::AudioBuffer<float> pendingRecordingBuffer;
+    int recordingBufferSize{ 0 };
+
+    //==============================================================================
+    // Modules
+    juce::Label tuningLabel, attackLabel, releaseLabel, playbackLabel, loopingLabel, masterLabel;
+    juce::Array<juce::Slider*> rotaries;
+
+    // Tuning module
+    CustomRotary semitoneRotary, centRotary, waveformSemitoneRotary, waveformCentRotary;
+    CustomRotaryAttachment semitoneRotaryAttachment, centRotaryAttachment, waveformSemitoneRotaryAttachment, waveformCentRotaryAttachment;
+
+    juce::Label tuningDetectLabel;
+    CustomShapeButton tuningDetectButton;
+
+    // Attack and release modules
+    CustomRotary attackTimeRotary, attackCurve, releaseTimeRotary, releaseCurve;
+    CustomRotaryAttachment attackTimeAttachment, attackCurveAttachment, releaseTimeAttachment, releaseCurveAttachment;
+    EnvelopeSliderLookAndFeel<EnvelopeSlider::attack> attackCurveLNF;
+    EnvelopeSliderLookAndFeel<EnvelopeSlider::release> releaseCurveLNF;
+
+    // Playback module
+    CustomToggleableButton lofiModeButton;
+    APVTS::ButtonAttachment lofiModeAttachment;
+    CustomChoiceButton playbackModeButton;
+    juce::ParameterAttachment playbackModeAttachment;
+    CustomRotary playbackSpeedRotary;
+    CustomRotaryAttachment playbackSpeedAttachment;
+
+    // Loop module
+    CustomToggleableButton loopButton, loopStartButton, loopEndButton;
+    APVTS::ButtonAttachment loopAttachment, loopStartAttachment, loopEndAttachment;
+
+    // Mixing module
+    CustomToggleableButton monoOutputButton;
+    APVTS::ButtonAttachment monoOutputAttachment;
+    CustomRotary gainSlider;
+    CustomRotaryAttachment gainSliderAttachment;
+    VolumeSliderLookAndFeel gainSliderLNF;
+
+    // Sample controls
+    EditorOverlay editorOverlay;
+    juce::FilenameComponent filenameComponent;
+    CustomToggleableButton linkSampleToggle;  // Whether the sample should be stored in the plugin state
+
+    CustomToggleableButton waveformModeLabel;
+    juce::ButtonParameterAttachment waveformModeLabelAttachment;
+
+    CustomShapeButton playStopButton;
+    juce::Path playPath, stopPath;
+    const juce::String playHelpText{ "Play sample" }, stopHelpText{ "Halt voices" };
+    CustomShapeButton recordButton;
+    CustomShapeButton deviceSettingsButton;
+    InputDeviceSelector audioDeviceSettings;
+
+    // Nav controls
+    CustomShapeButton fitButton;
+    CustomToggleableButton pinButton;
+    ToggleButtonAttachment pinButtonAttachment;
+
+    // Main components
+    SampleEditor sampleEditor;
+    SampleNavigator sampleNavigator;  // Note that SampleNavigator manages ViewStart and ViewEnd
+    FxChain fxChain;
+
+    juce::Label statusLabel;
+    bool fileDragging{ false };
+
+    // Some variables to help detect scroll gestures
+    const int maxCallbacksSinceInZoomGesture{ 20 };
+    int zoomGestureEndCallbacks{ 0 };
+    bool mouseWheelDetected{ false };
+    int lastViewStart{ 0 }, lastViewEnd{ 0 };
+  
+    // Footer
+    juce::Label versionInfo;
+    CustomToggleableButton preFXButton;
+    APVTS::ButtonAttachment preFXAttachment;
+    CustomToggleableButton showFXButton;
+    ToggleButtonAttachment showFXAttachment;
+    juce::ParameterAttachment eqEnablementAttachment, reverbEnablementAttachment, distortionEnablementAttachment, chorusEnablementAttachment;
+    bool eqEnabled{ false }, reverbEnabled{ false }, distortionEnabled{ false }, chorusEnabled{ false };
+
+    Prompt prompt;
+
+    CustomLookAndFeel& lnf;
+    Colors theme{ defaultTheme };
+    juce::OpenGLContext openGLContext;
+    juce::PluginHostType hostType;
+
+#if JUCE_DEBUG
+    melatonin::Inspector inspector{ *this, false };
+#endif
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (JustaSampleAudioProcessorEditor)
+};