setMode method
Set the PaintMode for the current state and trigger an update if provided.
Implementation
void setMode(PaintModeE mode) {
paintCtrl.setMode(mode);
paintEditorCallbacks?.handlePaintModeChanged(mode);
rebuildController.add(null);
_interactiveViewer.currentState?.setEnableInteraction(
mode == PaintModeE.moveAndZoom,
);
_paintingCanvas.currentState?.setState(() {});
}