private static void WriteEvents(Interface iface, CSharpWriter w, CSharpWriter hlw)
{
var events = iface.Events;
foreach (var ev in events)
{
if (GenerateComments)
{
WriteDescription(ev.Element, w);
}
w.Line(GetEventDelegate(iface, ev));
w.Line();
}
if (events.Length > 0)
{
w.Line($"internal struct {iface.RawName}_listener");
w.OpenBlock();
foreach (var ev in events)
{
w.Line($"public IntPtr {ev.RawName};");
}
w.Line();
w.Line($"public static {iface.RawName}_listener* Alloc(");
for (int i = 0; i < events.Length; i++)
{
var ev = events[i];
if (i != 0)
{
w.Line(",");
}
w.AppendIndented($"{GetDelegateName(iface, ev)} {ev.RawName}");
}
w.Line(")");
w.OpenBlock();
w.Line($"var ret = ({iface.RawName}_listener*) Marshal.AllocHGlobal(sizeof({iface.RawName}_listener));");
w.Line($"Set(ret, {string.Join(",", events.Select(ev => ev.RawName))});");
w.Line("return ret;");
w.CloseBlock();
w.Line();
w.Line($"public static void Set({iface.RawName}_listener* listener");
foreach (var ev in events)
{
w.Line(",");
w.AppendIndented($"{GetDelegateName(iface, ev)} {ev.RawName}");
}
w.Line(")");
w.OpenBlock();
foreach (var ev in events)
{
w.Append($"if ({ev.RawName} != null) ");
w.Line($"listener->{ev.RawName} = Marshal.GetFunctionPointerForDelegate<{GetDelegateName(iface, ev)}>({ev.RawName});");
}
w.CloseBlock();
w.CloseBlock(); // struct listener
w.Line();
if (GenerateComments)
{
w.DocSummary($"Set the callbacks for the given <see cref=\"{iface.RawName}\"/>.");
foreach (var ev in events)
{
WriteArgsDescription(ev.Element, w);
}
}
w.Line($"public static int {iface.RawName}_add_listener({iface.RawName}* iface, {iface.RawName}_listener* listener)");
w.OpenBlock();
w.Line("return WaylandClient.wl_proxy_add_listener((wl_proxy*) iface, listener, null);");
w.CloseBlock();
hlw.Append("public void SetListener(");
for (var i = 0; i < events.Length; i++)
{
var ev = events[i];
hlw.Line(i == 0 ? "" : ",");
hlw.AppendIndented($"{_protocolClassName}.{GetDelegateName(iface, ev)} {ev.RawName}");
}
hlw.Line(")");
hlw.OpenBlock();
foreach (var ev in events)
{
hlw.Line($"_{ev.RawName} = {ev.RawName};");
}
hlw.Line($"_listener = {_protocolClassName}.{iface.RawName}_listener.Alloc({string.Join(", ", events.Select(e => e.RawName))});");
hlw.Line($"{_protocolClassName}.{iface.RawName}_add_listener(Pointer, _listener);");
hlw.CloseBlock();
hlw.Line("public void FreeListener() { if (_listener != null) Marshal.FreeHGlobal((IntPtr) _listener); }");
}
}