Initial commit: InstaDrums VST3 drum sampler plugin
- 12-pad drum sampler with 4x3 grid (expandable by 4) - Velocity layers with round-robin (Salamander-style filename parsing) - Rhythm Engine-style GUI: pad grid (left), sample editor (right top), FX panel (right bottom), master panel (bottom) - Waveform thumbnails on pads + large waveform in sample editor - ADSR envelope, pitch, pan per pad - Drag & drop sample/folder loading - Kit save/load (.drumkit XML presets) - Load Folder with smart name matching (kick, snare, hihat, etc.) - Choke groups, one-shot/polyphonic mode - Dark modern LookAndFeel with neon accent colors - Built with JUCE framework, CMake, MSVC 2022 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
hariel1985
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Source/PluginEditor.cpp
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217
Source/PluginEditor.cpp
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#include "PluginEditor.h"
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InstaDrumsEditor::InstaDrumsEditor (InstaDrumsProcessor& p)
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: AudioProcessorEditor (&p), processor (p)
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{
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setLookAndFeel (&customLookAndFeel);
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// Title
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titleLabel.setFont (juce::FontOptions (20.0f, juce::Font::bold));
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titleLabel.setColour (juce::Label::textColourId, InstaDrumsLookAndFeel::accent);
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titleLabel.setJustificationType (juce::Justification::centredLeft);
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addAndMakeVisible (titleLabel);
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versionLabel.setFont (juce::FontOptions (10.0f));
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versionLabel.setColour (juce::Label::textColourId, InstaDrumsLookAndFeel::textSecondary);
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versionLabel.setJustificationType (juce::Justification::centredRight);
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addAndMakeVisible (versionLabel);
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padsLabel.setFont (juce::FontOptions (10.0f, juce::Font::bold));
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padsLabel.setColour (juce::Label::textColourId, InstaDrumsLookAndFeel::textSecondary);
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addAndMakeVisible (padsLabel);
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// Buttons
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auto styleBtn = [this] (juce::TextButton& btn) {
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btn.setColour (juce::TextButton::buttonColourId, InstaDrumsLookAndFeel::bgLight);
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btn.setColour (juce::TextButton::textColourOffId, InstaDrumsLookAndFeel::textPrimary);
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addAndMakeVisible (btn);
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};
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styleBtn (loadSampleButton);
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styleBtn (saveKitButton);
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styleBtn (loadKitButton);
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styleBtn (loadFolderButton);
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loadSampleButton.onClick = [this]
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{
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fileChooser = std::make_unique<juce::FileChooser> ("Load Sample", juce::File{},
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"*.wav;*.aiff;*.aif;*.flac;*.ogg;*.mp3");
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fileChooser->launchAsync (juce::FileBrowserComponent::openMode | juce::FileBrowserComponent::canSelectFiles,
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[this] (const juce::FileChooser& fc) {
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auto file = fc.getResult();
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if (file.existsAsFile())
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{
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processor.loadSample (selectedPadIndex, file);
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sampleEditor.updateFromPad();
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}
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});
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};
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saveKitButton.onClick = [this]
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{
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fileChooser = std::make_unique<juce::FileChooser> ("Save Kit", juce::File{}, "*.drumkit");
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fileChooser->launchAsync (juce::FileBrowserComponent::saveMode,
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[this] (const juce::FileChooser& fc) {
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auto file = fc.getResult();
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if (file != juce::File{})
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processor.saveKitPreset (file.hasFileExtension (".drumkit") ? file : file.withFileExtension ("drumkit"));
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});
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};
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loadKitButton.onClick = [this]
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{
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fileChooser = std::make_unique<juce::FileChooser> ("Load Kit", juce::File{}, "*.drumkit");
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fileChooser->launchAsync (juce::FileBrowserComponent::openMode | juce::FileBrowserComponent::canSelectFiles,
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[this] (const juce::FileChooser& fc) {
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auto file = fc.getResult();
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if (file.existsAsFile())
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{
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processor.loadKitPreset (file);
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rebuildPadGrid();
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selectPad (0);
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}
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});
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};
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loadFolderButton.onClick = [this]
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{
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fileChooser = std::make_unique<juce::FileChooser> ("Select Sample Folder", juce::File{});
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fileChooser->launchAsync (juce::FileBrowserComponent::openMode | juce::FileBrowserComponent::canSelectDirectories,
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[this] (const juce::FileChooser& fc) {
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auto folder = fc.getResult();
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if (folder.isDirectory())
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{
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processor.loadKitFromFolder (folder);
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rebuildPadGrid();
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selectPad (0);
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}
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});
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};
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// Panels
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addAndMakeVisible (sampleEditor);
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addAndMakeVisible (fxPanel);
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addAndMakeVisible (masterPanel);
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rebuildPadGrid();
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selectPad (0);
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// Sizing
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constrainer.setMinimumSize (800, 500);
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constrainer.setMaximumSize (1920, 1080);
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setConstrainer (&constrainer);
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setSize (960, 600);
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setResizable (true, true);
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startTimerHz (30);
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}
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InstaDrumsEditor::~InstaDrumsEditor()
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{
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setLookAndFeel (nullptr);
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}
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void InstaDrumsEditor::rebuildPadGrid()
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{
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padComponents.clear();
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auto loadCallback = [this] (int padIndex, const juce::File& file) {
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processor.loadSample (padIndex, file);
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if (padIndex == selectedPadIndex)
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sampleEditor.updateFromPad();
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};
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for (int i = 0; i < processor.getNumPads(); ++i)
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{
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auto* pc = new PadComponent (processor.getPad (i), loadCallback, i);
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pc->onSelected = [this] (int idx) { selectPad (idx); };
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addAndMakeVisible (pc);
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padComponents.add (pc);
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}
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resized();
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}
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void InstaDrumsEditor::selectPad (int index)
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{
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selectedPadIndex = index;
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for (int i = 0; i < padComponents.size(); ++i)
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padComponents[i]->setSelected (i == index);
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if (index >= 0 && index < processor.getNumPads())
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sampleEditor.setPad (&processor.getPad (index));
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}
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void InstaDrumsEditor::paint (juce::Graphics& g)
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{
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g.fillAll (InstaDrumsLookAndFeel::bgDark);
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// Subtle divider lines
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auto bounds = getLocalBounds();
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int rightPanelX = (int) (bounds.getWidth() * 0.52f);
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int bottomPanelY = bounds.getHeight() - 56;
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g.setColour (InstaDrumsLookAndFeel::bgLight.withAlpha (0.3f));
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g.drawVerticalLine (rightPanelX - 2, 30, (float) bottomPanelY);
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g.drawHorizontalLine (bottomPanelY - 1, 0, (float) bounds.getWidth());
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}
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void InstaDrumsEditor::resized()
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{
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auto area = getLocalBounds();
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// Top bar (30px)
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auto topBar = area.removeFromTop (30).reduced (6, 4);
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titleLabel.setBounds (topBar.removeFromLeft (150));
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versionLabel.setBounds (topBar.removeFromRight (40));
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loadFolderButton.setBounds (topBar.removeFromRight (90).reduced (1));
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loadKitButton.setBounds (topBar.removeFromRight (70).reduced (1));
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saveKitButton.setBounds (topBar.removeFromRight (70).reduced (1));
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loadSampleButton.setBounds (topBar.removeFromRight (95).reduced (1));
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// Bottom master bar (52px)
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masterPanel.setBounds (area.removeFromBottom (52).reduced (4, 2));
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// Left panel: pad grid (~52% width)
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int rightPanelX = (int) (area.getWidth() * 0.52f);
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auto leftArea = area.removeFromLeft (rightPanelX).reduced (4);
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// Pads label
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auto padsHeader = leftArea.removeFromTop (16);
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padsLabel.setBounds (padsHeader);
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// Pad grid
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int numPads = padComponents.size();
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if (numPads > 0)
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{
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int rows = (numPads + padColumns - 1) / padColumns;
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int padW = leftArea.getWidth() / padColumns;
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int padH = leftArea.getHeight() / rows;
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for (int i = 0; i < numPads; ++i)
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{
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int row = i / padColumns;
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int col = i % padColumns;
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padComponents[i]->setBounds (leftArea.getX() + col * padW,
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leftArea.getY() + row * padH,
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padW, padH);
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}
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}
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// Right panel: sample editor (top ~55%) + FX (bottom ~45%)
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auto rightArea = area.reduced (4);
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int editorHeight = (int) (rightArea.getHeight() * 0.55f);
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sampleEditor.setBounds (rightArea.removeFromTop (editorHeight).reduced (0, 2));
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fxPanel.setBounds (rightArea.reduced (0, 2));
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}
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void InstaDrumsEditor::timerCallback()
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{
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for (auto* pc : padComponents)
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pc->repaint();
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// Update VU meter from processor output levels
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// (simplified: just repaint for now)
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masterPanel.getVuMeter().repaint();
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}
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