# controls_key_mouse.ludic - a key field listening takes a mouse button too: the left, right or
# middle button pressed anywhere is its value, as UI_MOUSE_LEFT, UI_MOUSE_RIGHT or UI_MOUSE_MIDDLE
# (past every key code, for the host to map), and that press does nothing else
export const UI_MOUSE_LEFT: int = 256
export const UI_MOUSE_RIGHT: int = 257
export const UI_MOUSE_MIDDLE: int = 258
function ct_key_mouse(ui_st: mut UiState, root: UiNode) -> bool {
  if ui_st.ct_capture == "" or ui_st.ct_capture_at == ui_st.an_frame { return false }
  let b = pe_pressed(ui_st.in_now, ui_st.in_last)
  if b < 0 { return false }
  let n = fr_node(root, ui_st.ct_capture)
  ui_st.ct_capture = ""
  ui_st.ct_capture_seen = ui_st.an_frame
  ui_st.fr_press_key = ""
  if n != null { ct_change(ui_st, n, Value.int(UI_MOUSE_LEFT + b)) }
  return true
}
function ct_mouse_name(ui_st: UiState, v: int) -> string {
  if v == UI_MOUSE_RIGHT { return ui_tr(ui_st, "Right click") }
  if v == UI_MOUSE_MIDDLE { return ui_tr(ui_st, "Middle click") }
  return ui_tr(ui_st, "Left click")
}