public static void CreateScreen()
{
if (Surface != IntPtr.Zero)
{
SDL_FreeSurface(Surface);
Surface = IntPtr.Zero;
}
Surface = SDL_CreateRGBSurface(0, Eight.RealWidth,
Eight.RealHeight, 32,
0xff000000,
0x00ff0000,
0x0000ff00,
0x000000ff);
if (Surface == IntPtr.Zero)
{
Console.WriteLine("SDL_CreateRGBSurface() failed: " + SDL_GetError());
Eight.Quit();
}
TextGrid = new ulong[Eight.WindowWidth * Eight.WindowHeight];
TextFlags = new byte[Eight.WindowWidth * Eight.WindowHeight];
Dirty = true;
}
public static string ReadLine(int?maxLen, string regex = "*")
{
string input = "";
int ox = X;
int oy = Y;
var redraw = new Action(() => {
X = ox;
Y = oy;
Print(input + " ");
Render();
});
Render();
bool exit = false;
while (SDL_WaitEvent(out var _ev) != 0 && !exit)
{
if (_ev.type == SDL_EventType.SDL_QUIT)
{
Eight.Quit();
break;
}
if (_ev.type == SDL_EventType.SDL_TEXTINPUT)
{
byte[] c;
unsafe {
c = Utils.CString(_ev.text.text);
}
var chunk = Encoding.UTF8.GetString(c);
if (Regex.IsMatch(chunk, regex))
{
input += chunk;
}
if (maxLen != null)
{
input = input.Substring(0, Math.Min((int)maxLen, input.Length));
}
redraw();
}
if (_ev.type == SDL_EventType.SDL_KEYDOWN)
{
switch (_ev.key.keysym.sym)
{
case SDL_Keycode.SDLK_RETURN:
exit = true;
break;
case SDL_Keycode.SDLK_BACKSPACE:
if (input.Length > 0)
{
input = input.Substring(0, input.Length - 1);
redraw();
}
break;
}
}
}
return(input);
}
