Xiaohan-Tian
fc84edfc59
Introduce KGAudioTrack and KGAudioRegion as new track/region types alongside existing MIDI tracks. Users can import WAV, MP3, OGG, FLAC, and AAC files into audio tracks with full playback, looping, and solo/mute/volume support. New core models: - KGAudioTrack (extends KGTrack with TrackType.Wave) - KGAudioRegion (extends KGRegion with audio file reference) - KGAudioPlayerBus (Tone.Gain + ToneBufferSource-based playback) - KGAudioFileStorage (OPFS media/ directory for binary audio files) New commands: - AddAudioTrackCommand (create audio track with player bus) - ImportAudioCommand (import audio file, create region at playhead, auto-expand maxBars) Playback features: - Audio regions scheduled via Tone.Transport alongside MIDI events - Loop support with duration capping at loop boundaries - Resume safety offset to prevent ToneBufferSource timing misses - Cross-track buffer copy when moving audio regions between tracks - Proper buffer cleanup on track deletion and project switch UI changes: - Separate "+ MIDI" and "+ Audio" buttons in top-left spacer - Audio track shows upload button instead of instrument selector - FileImportModal reused for audio file drag-and-drop upload - Real waveform rendering on audio region canvas - Green color scheme for audio regions (vs blue for MIDI) - Pencil icon and resize handles hidden for audio regions - Cross-type region moves blocked (MIDI ↔ Audio) - Piano roll blocked for audio regions - Audio region deletion support Infrastructure: - Project structure version bumped to 4 (no-op migration) - class-transformer discriminators updated for new subtypes - RemoveTrackCommand updated to clean up audio player buses
108 lines
2.7 KiB
CSS
108 lines
2.7 KiB
CSS
/* Main content */
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.main-content {
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display: flex;
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flex-direction: column;
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flex: 1;
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overflow: auto; /* Main scrollable container */
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position: relative;
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}
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.main-content-wrapper {
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display: flex;
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flex-direction: column;
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min-width: calc(200px + var(--max-number-of-bars) * var(--track-grid-bar-width)); /* info width + grid width */
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min-height: fit-content;
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position: relative;
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}
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.top-left-spacer {
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position: fixed;
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top: 50px;
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left: 0;
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width: 200px;
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height: 20px;
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background-color: #2d2d2d;
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border-bottom: 1px solid #3a3a3a;
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border-right: 1px solid #3a3a3a;
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z-index: 1002; /* Higher than other elements to ensure it's always visible */
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display: flex;
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flex-direction: row;
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}
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/* Offset spacer when instrument selection panel is visible on the left */
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.main-content.has-left-instrument .top-left-spacer {
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left: 300px;
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}
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.bar-numbers {
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position: sticky;
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top: 0;
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height: 20px;
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display: flex;
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border-bottom: 1px solid #3a3a3a;
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background-color: #2d2d2d;
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z-index: 20;
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margin-left: 200px; /* Offset for info-container */
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width: calc(var(--max-number-of-bars) * var(--track-grid-bar-width)); /* Exact width for 32 bars */
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cursor: pointer; /* Show pointer cursor on hover to indicate interactivity */
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}
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.bar-numbers:hover {
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cursor: url("data:image/svg+xml,%3csvg width='16' height='16' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M4 6h8l-4 4-4-4z' fill='%23e0e0e0'/%3e%3c/svg%3e") 8 8, pointer;
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}
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.bar-number-cell {
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min-width: var(--track-grid-bar-width);
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width: var(--track-grid-bar-width);
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flex-shrink: 0;
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flex-grow: 0;
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height: 20px;
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text-align: center;
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font-size: 12px;
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border-right: 1px solid #3a3a3a;
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color: #999;
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display: flex;
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align-items: center;
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justify-content: center;
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box-sizing: border-box;
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}
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.bar-number-cell.looped {
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background-color: #e1ae01;
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color: #1e1e1e;
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}
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.main-content-body {
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display: flex;
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min-height: fit-content;
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}
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.info-container {
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position: sticky;
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left: 0;
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width: 200px;
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z-index: 1002;
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background-color: #2d2d2d;
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align-self: flex-start;
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}
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/* Shift the bar numbers and info panel when instrument selection is present */
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/* No need to shift bar numbers or info container; they live inside main content.
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Only shift the fixed spacer when the left panel is present. */
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.track-top-spacer {
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height: 20px;
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border-bottom: 1px solid #3a3a3a;
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background-color: #2d2d2d;
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position: sticky;
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top: 0;
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z-index: 15;
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}
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.grid-container {
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margin-left: 0; /* No need for margin since we're using flex */
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min-width: calc(var(--max-number-of-bars) * var(--track-grid-bar-width)); /* Ensure minimum width */
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min-height: fit-content;
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position: relative; /* Required for absolute positioned playhead */
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}
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