Method ScriptGetCursor

Source/script.cpp:10636–10679

VarSizeType Script::ScriptGetCursor(char *aBuf)
// Adapted from the AutoIt3 source.
{
	if (!aBuf)
		return SMALL_STRING_LENGTH;  // we're returning the length of the var's contents, not the size.

	POINT point;
	GetCursorPos(&point);
	HWND target_window = WindowFromPoint(point);

	// MSDN docs imply that threads must be attached for GetCursor() to work.
	// A side-effect of attaching threads or of GetCursor() itself is that mouse double-clicks
	// are interfered with, at least if this function is called repeatedly at a high frequency.
	ATTACH_THREAD_INPUT
	HCURSOR current_cursor = GetCursor();
	DETACH_THREAD_INPUT

	if (!current_cursor)
	{
		#define CURSOR_UNKNOWN "Unknown"
		strlcpy(aBuf, CURSOR_UNKNOWN, SMALL_STRING_LENGTH + 1);
		return (VarSizeType)strlen(aBuf);
	}

	// Static so that it's initialized on first use (should help performance after the first time):
	static HCURSOR cursor[] = {LoadCursor(0,IDC_APPSTARTING), LoadCursor(0,IDC_ARROW), LoadCursor(0,IDC_CROSS)
		, LoadCursor(0,IDC_HELP), LoadCursor(0,IDC_IBEAM), LoadCursor(0,IDC_ICON), LoadCursor(0,IDC_NO)
		, LoadCursor(0,IDC_SIZE), LoadCursor(0,IDC_SIZEALL), LoadCursor(0,IDC_SIZENESW), LoadCursor(0,IDC_SIZENS)
		, LoadCursor(0,IDC_SIZENWSE), LoadCursor(0,IDC_SIZEWE), LoadCursor(0,IDC_UPARROW), LoadCursor(0,IDC_WAIT)};
	// The order in the below array must correspond to the order in the above array:
	static char *cursor_name[] = {"AppStarting", "Arrow", "Cross"
		, "Help", "IBeam", "Icon", "No"
		, "Size", "SizeAll", "SizeNESW", "SizeNS"  // NESW = NorthEast or SouthWest
		, "SizeNWSE", "SizeWE", "UpArrow", "Wait", CURSOR_UNKNOWN};  // The last item is used to mark end-of-array.
	static int cursor_count = sizeof(cursor) / sizeof(HCURSOR);

	int a;
	for (a = 0; a < cursor_count; ++a)
		if (cursor[a] == current_cursor)
			break;

	strlcpy(aBuf, cursor_name[a], SMALL_STRING_LENGTH + 1);  // If a is out-of-bounds, "Unknown" will be used.
	return (VarSizeType)strlen(aBuf);
}