piano-ctrl.js file
Constants
list_actions- List menu actions for PianoRoll.
Functions
ntool(toolmode, drag_event, cursor, predicate)- Add/register piano-roll canvas tool
notes_canvas_drag_select(event, MODE)-
Select Tool
The Select Tool
allows selection of single notes or groups of notes. Modifier keys can
be used to modify the selection behavior.Horizontal Select
notes_canvas_drag_paint(event, MODE)-
Paint Tool
With the note Paint Tool, notes
can be placed everywhere in the grid by clicking mouse button 1 and
possibly keeping it held during drags.
notes_canvas_drag_move(event, MODE)-
Move Tool
With the note Move Tool,
selected notes can be moved clicking mouse button 1 and keeping it held
during drags. A copy will be made instead of moving the selected notes
if the ctrl key is pressed during drag.
notes_canvas_drag_resize(event, MODE)-
Resizing Notes
When the Paint Tool is
selected, the right edge of a note can be draged to make notes shorter
or longer in duration.
notes_canvas_drag_erase(event, MODE)-
Erase Tool
The Erase Tool allows
deletion of all notes selected during a mouse button 1 drag. The
deletion can be aborted by the Escape key.
note_hover_body(coords, tick, key, notes)- Detect note if hovering over its body
note_hover_tail(coords, tick, key, notes)- Detect note if hovering over its tail
note_hover_head(coords, tick, key, notes)- Detect note if hovering over its head
notes_canvas_tool_from_hover(piano_roll, pointerevent)- Get drag tool and cursor from hover position
target_coords(event, target)- Translate event offsetX,offsetY into taret element