Editor - Piano roll and its controls
ags_toolbar_mode_stock
AgsToolbar
— edit tool
ags_toolbar_callbacks
AgsMachineSelection
— machine radio buttons
AgsMachineSelector
— machine radio buttons
ags_machine_selector_callbacks
AgsMachineRadioButton
— machine radio buttons
AgsNotebook
— select channel
ags_notebook_callbacks
AgsMeter
— piano widget
ags_meter_callbacks
AgsNoteEdit
— edit notes
ags_note_edit_callbacks
AgsSF2Chooser
ags_sf2_chooser_callbacks
