feat: simplify chord guide feature; updated help doc; added hotkeys doc

2026-05-28 21:03:02 -07:00
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+## Hotkeys
+
+This guide lists the keyboard shortcuts and click-modifier actions that are currently implemented in K.G.Studio.
+
+### Platform-specific create actions
+
+- On **macOS**, use `Cmd+click` to create a region, note, or automation point while using the pointer tool.
+- On **Windows/Linux**, use `Ctrl+click` to create a region, note, or automation point while using the pointer tool.
+- In the main timeline, double-click empty space to create a region when the pointer tool is active.
+- In the piano roll and automation lanes, the pencil tool also creates items with a single click.
+
+### Main shortcuts
+
+- `Space` — Play / Stop
+- `C` — Toggle loop
+- `R` — Start / Stop recording
+- `Cmd/Ctrl+Z` — Undo
+- `Cmd/Ctrl+Shift+Z` — Redo
+- `Cmd/Ctrl+C` — Copy selected items
+- `Cmd/Ctrl+V` — Paste
+- `Cmd/Ctrl+S` — Save project
+- `Cmd/Ctrl+A` — Select all notes in the active MIDI region
+- `Cmd/Ctrl+T` — Split the selected region at the playhead
+- `Cmd/Ctrl+J` — Merge selected MIDI regions
+
+### Region and Piano Roll Window shortcuts
+
+- `E` — Open the piano roll window for a selected MIDI region, or the waveform editor for a selected audio region. If the editor is already open, `E` closes it.
+- `N` — Open the piano roll window in sheet music view for a selected MIDI region.
+- `Delete` / `Backspace` — Delete selected regions, notes, or automation points.
+- `Esc` — Close the piano roll window.
+
+### Selection actions
+
+- `Shift+click` — Add to selection.
+- Lasso in empty space — Box-select regions or automation points.
+- `Shift+lasso` in Piano Roll Window — Toggle items in the lassoed area.
+
+### Piano roll shortcuts
+
+- `G` — Cycle chord guide mode
+- `Tab` — Move to the next chord-guide candidate
+- `Shift+Tab` — Move to the previous chord-guide candidate / voicing
+
+### Piano roll snap shortcuts
+
+- `1` — No snap
+- `2` — Snap to `1/4`
+- `3` — Snap to `1/8`
+- `4` — Snap to `1/16`
+
+### Piano roll quantize shortcuts
+
+- `5` — Quantize position to `1/4`
+- `6` — Quantize position to `1/8`
+- `7` — Quantize position to `1/16`
+- `8` — Quantize length to `1/4`
+- `9` — Quantize length to `1/8`
+- `0` — Quantize length to `1/16`