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Pianoroll for Windows

A flexible, featured pianoroll control with microtunal support, using Direct2D to paint. Pianoroll

Article: https://www.codeproject.com/Articles/4042343/A-flexible-Direct2D-Pianoroll-for-your-music-apps

To use

  1. Instantiate PR::PIANOROLL object
  2. Pass WM_KEYDOWN, WM_LBUTTONDBLCLK, WM_LBUTTONDOWN, WM_RBUTTONDOWN, WM_MOUSEMOVE,WM_LBUTTONUP, WM_SYSKEYDOWN to the control
  3. When you want to paint it, call member "Paint()" passing a Direct2D object and the RECT

Features

  • Notes support channel (0-15), velocity (0-127) , layer (unlimited)
  • Moving, Resizing with snap controls
  • Supports diatonic movement through specified Key and Mode (Major/Minor)
  • Unlimited undo/redo
  • Unlimited layers
  • Piano side (Left/Right)
  • Callbacks
  • Tools - Auto, Eraser, Single click entry, Quantizer, Paint
  • Serialization/Deserialization to XML
  • Key per measure
  • Tempo per measure
  • Time signature per measure
  • MIDI export
  • Partial MIDI import (in progress)
  • Non-note MIDI notes
  • Meta events (Raw hex and specific items)
  • Aftertouch events
  • Pitch shift events
  • Note quantization
  • Markers
  • Long text show
  • Chromatic/Diatonic transposes
  • Record from MIDI in device
  • Event streaming to callback
  • Live note viewer
  • Part editing mode
  • Microtunal support (documentation soon)

Callbacks

Your callbacks are notified when:

  • Note is changed or inserted or removed
  • Piano note is tapped
  • Redraw requested

Keyboard shortcuts

  • A : auto tool
  • E : eraser tool
  • I : single entry tool
  • Q : quantize tool
  • N : paint tool
  • 1,2,3,4 (up row) : Select beat duration for next note
  • Shift+1,2,3,4 (up row) : Beat duration 1/8, 1/16, 1/32, 1/64
  • < and > : Change selected items velocity
  • Ctrl+ < and > : Velocity off/full
  • < and > when pitch shift: Up/Down pitch shift (combine with Ctrl/Shift/Alt)
  • +/- : Change selected items position diatonically
  • Shift +/- : Change selected items position chromatically
  • Numpad +/-/* : Zoom in,out,all
  • Shift + Arrows up/down : Change channel
  • Alt + Arrows up/down : Change layer
  • / and \ : Enlarge/reduce notes
  • D,H,': Double/Half/+1/2 notes
  • Ctrl+Q : Quantize notes
  • Ctrl+G : Go to measure
  • J : Join notes
  • Ctrl+1...6 : Snapping resolution
  • Alt+1-9 Numpad : Toggle layers
  • 1-9 Numpad : Next layer
  • Ctrl+A : Select all
  • Ctrl+C : Copy
  • Ctrl+T : Diatonic transpose
  • Ctrl+Shift+T : Chromatic transpose
  • Ctrl+V : Paste to last clicked measure
  • Ctrl+Z : Undo
  • Ctrl+Y : Redo
  • Z : Move left
  • X : Move right
  • [,] : Next/Prev marker
  • Right/Left arrow : move roll
  • Del : Delete selected notes
  • Ctrl+Home : Scroll to start
  • P : Toggle part editing mode
  • Alt+P : Select next part
  • Shift+P : Selected parts names
  • Tab : Go next note or part
  • Shift + Tab : Go prev note or part

Mouse

  • Dblclick : insert note (auto tool)
  • Control + Dblclick : insert non note event
  • Control + Shift + Dblclick : insert aftertouch
  • Dblclick on note : remove note
  • Click on note : select/unselect (quantize in quantize tool)
  • Drag outside note: select (insert in single entry tool, delete in eraser tool, quantize in quantize tool)
  • Drag/Resize note

Part editing

In part editing, selections of parts affect all part notes (for example, copy/paste/delete) The J command combines parts