func()

in winterm/win_event_handler.go [408:445]

• 38 lines of code
• 10 McCabe index (conditional complexity)

func (h *windowsAnsiEventHandler) DECCOLM(use132 bool) error {
	if err := h.Flush(); err != nil {
		return err
	}
	h.logf("DECCOLM: [%v]", []string{strconv.FormatBool(use132)})
	h.clearWrap()
	if err := h.ED(2); err != nil {
		return err
	}
	info, err := GetConsoleScreenBufferInfo(h.fd)
	if err != nil {
		return err
	}
	targetWidth := int16(80)
	if use132 {
		targetWidth = 132
	}
	if info.Size.X < targetWidth {
		if err := SetConsoleScreenBufferSize(h.fd, COORD{targetWidth, info.Size.Y}); err != nil {
			h.logf("set buffer failed: %v", err)
			return err
		}
	}
	window := info.Window
	window.Left = 0
	window.Right = targetWidth - 1
	if err := SetConsoleWindowInfo(h.fd, true, window); err != nil {
		h.logf("set window failed: %v", err)
		return err
	}
	if info.Size.X > targetWidth {
		if err := SetConsoleScreenBufferSize(h.fd, COORD{targetWidth, info.Size.Y}); err != nil {
			h.logf("set buffer failed: %v", err)
			return err
		}
	}
	return SetConsoleCursorPosition(h.fd, COORD{0, 0})
}