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Undo flags

Undo flags are used to specify information about undo points added using general.saveUndo().

These flags can be combined using bitwise operations to make the undo point apply to multiple parts of FL Studio.

UF_None module-attribute 

UF_None = 0

???

UF_EE module-attribute 

UF_EE = 1

Event editor.

UF_PR module-attribute 

UF_PR = 2

Piano roll (includes modifications to patterns).

UF_PL module-attribute 

UF_PL = 4

Playlist (arrangement).

UF_EEPR module-attribute 

UF_EEPR = UF_EE | UF_PR

Event editor and piano roll.

UF_Knob module-attribute 

UF_Knob = 1 << 5

Automated control.

UF_SS module-attribute 

UF_SS = UF_PR

Step sequencer?

UF_AudioRec module-attribute 

UF_AudioRec = 1 << 8

Audio recording.

UF_AutoClip module-attribute 

UF_AutoClip = 1 << 9

Automation clip.

UF_PRMarker module-attribute 

UF_PRMarker = 1 << 10

Pattern (piano roll) marker.

UF_PLMarker module-attribute 

UF_PLMarker = 1 << 11

Arrangement (playlist) marker.

UF_Plugin module-attribute 

UF_Plugin = 1 << 12

Plugin.

UF_SSLooping module-attribute 

UF_SSLooping = 1 << 13

Step sequencer looping?