public unsafe int Show()
{
SDL_MessageBoxData boxdata = new SDL_MessageBoxData();
if (this.IconType == 1)
{
boxdata.flags = SDL_MessageBoxFlags.SDL_MESSAGEBOX_INFORMATION;
}
else if (this.IconType == 2)
{
boxdata.flags = SDL_MessageBoxFlags.SDL_MESSAGEBOX_WARNING;
}
else if (this.IconType == 3)
{
boxdata.flags = SDL_MessageBoxFlags.SDL_MESSAGEBOX_ERROR;
}
SDL_MessageBoxButtonData[] buttons = new SDL_MessageBoxButtonData[Buttons.Count];
for (int i = 0; i < Buttons.Count; i++)
{
buttons[i] = new SDL_MessageBoxButtonData();
buttons[i].text = StrToPtr(Buttons[i]);
buttons[i].buttonid = 0;
if (i == 0)
{
buttons[i].flags = SDL_MessageBoxButtonFlags.SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT;
}
else if (i == Buttons.Count - 1)
{
buttons[i].flags = SDL_MessageBoxButtonFlags.SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT;
}
}
boxdata.message = this.Message;
boxdata.numbuttons = Buttons.Count;
boxdata.title = this.Title;
boxdata.window = this.Parent == null ? IntPtr.Zero : this.Parent.SDL_Window;
int result = -1;
fixed(SDL_MessageBoxButtonData *buttonptr = &buttons[0])
{
boxdata.buttons = (IntPtr)buttonptr;
}
SDL_ShowMessageBox(ref boxdata, out result);
return(result);
}
private static unsafe int Show(
MessageBoxFlags flags,
string title,
string message,
IEnumerable <MessageBoxButton> buttons,
MessageBoxColors?colorScheme = null,
Window?parent = null
)
{
int clicked;
Span <byte> tbuf = stackalloc byte[SL(title)];
Span <byte> msgbuf = stackalloc byte[SL(message)];
StringToUTF8(title, tbuf);
StringToUTF8(message, msgbuf);
fixed(byte *t = tbuf)
fixed(byte *msg = msgbuf)
{
Span <SDL_MessageBoxButtonData> btns = new SDL_MessageBoxButtonData[16];
SDL_MessageBoxData data;
data.flags = (uint)flags;
data.window = IntPtr.Zero;
data.title = t;
data.message = msg;
data.numbuttons = 0;
data.buttons = null;
data.colorScheme = null;
try
{
SDL_MessageBoxColorScheme scheme;
if (colorScheme != null)
{
scheme = MarshalColors(colorScheme);
data.colorScheme = &scheme;
}
if (parent != null)
{
bool ok = false;
parent.DangerousAddRef(ref ok);
if (ok)
{
data.window = parent.DangerousGetHandle();
}
}
data.numbuttons = MarshalButtons(buttons, btns);
fixed(SDL_MessageBoxButtonData *bptr = &MemoryMarshal.GetReference(btns))
{
data.buttons = bptr;
ErrorIfNegative(SDL_ShowMessageBox(data, out clicked));
}
}
finally
{
if (parent != null && data.window != IntPtr.Zero)
{
parent.DangerousRelease();
}
if (data.numbuttons > 0)
{
for (var i = 0; i < data.numbuttons; ++i)
{
Marshal.FreeHGlobal((IntPtr)btns[i].text);
}
}
}
}
return(clicked);
}
