public SignalClosure (IntPtr obj, string signal_name, Delegate custom_marshaler, Signal signal)
{
gch = GCHandle.Alloc (signal);
raw_closure = g_cclosure_new (custom_marshaler, (IntPtr) gch, Notify);
closures [raw_closure] = this;
handle = obj;
name = signal_name;
this.custom_marshaler = custom_marshaler;
}
public void Free ()
{
Signal[] signals = new Signal [Signals.Count];
Signals.Values.CopyTo (signals, 0);
foreach (Signal s in signals)
s.Free ();
if (hardened)
g_object_unref (handle);
else
g_object_remove_toggle_ref (handle, ToggleNotifyCallback, (IntPtr) gch);
reference = null;
gch.Free ();
}
static void DeviceChangeSignalCallback(IntPtr arg0, int arg1, IntPtr gch)
{
DeviceChangeArgs args = new DeviceChangeArgs();
try {
GLib.Signal sig = ((GCHandle)gch).Target as GLib.Signal;
if (sig == null)
{
throw new Exception("Unknown signal GC handle received " + gch);
}
args.Args = new object[1];
args.Args [0] = arg1;
GlibDeviceChangeHandler handler = (GlibDeviceChangeHandler)sig.Handler;
handler(GLib.Object.GetObject(arg0), args);
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException(e, false);
}
}
static void ErrorSignalCallback(IntPtr arg0, IntPtr arg1, IntPtr gch)
{
ErrorArgs args = new ErrorArgs();
try {
GLib.Signal sig = ((GCHandle)gch).Target as GLib.Signal;
if (sig == null)
{
throw new Exception("Unknown signal GC handle received " + gch);
}
args.Args = new object[1];
args.Args [0] = GLib.Marshaller.Utf8PtrToString(arg1);
GlibErrorHandler handler = (GlibErrorHandler)sig.Handler;
handler(GLib.Object.GetObject(arg0), args);
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException(e, false);
}
}
public void AddSignalHandler(string name, Delegate handler, Type args_type)
{
if (args_type == null)
args_type = handler.Method.GetParameters ()[1].ParameterType;
Signal sig;
if (!Signals.TryGetValue (name, out sig)) {
sig = new Signal (this, name, args_type);
Signals [name] = sig;
}
sig.AddDelegate (handler);
}
public void AddSignalHandler(string name, Delegate handler, Delegate marshaler)
{
Signal sig;
if (!Signals.TryGetValue (name, out sig)) {
sig = new Signal (this, name, marshaler);
Signals [name] = sig;
}
sig.AddDelegate (handler);
}
public static Signal Lookup (GLib.Object obj, string name, Type args_type)
{
Signal result = obj.ToggleRef.Signals [name] as Signal;
if (result == null)
result = new Signal (obj, name, args_type);
return result;
}
public static Signal Lookup (GLib.Object obj, string name, Delegate marshaler)
{
Signal result = obj.ToggleRef.Signals [name] as Signal;
if (result == null)
result = new Signal (obj, name, marshaler);
return result;
}
public SignalClosure(IntPtr obj, string signal_name, Delegate custom_marshaler, Signal signal)
{
gch = GCHandle.Alloc(signal);
raw_closure = g_cclosure_new(custom_marshaler, (IntPtr)gch, Notify);
closures [raw_closure] = this;
handle = obj;
name = signal_name;
this.custom_marshaler = custom_marshaler;
}
protected static void OverrideVirtualMethod(GType gtype, string name, Delegate cb)
{
Signal.OverrideDefaultHandler(gtype, name, cb);
}
public SignalClosure(Signal sig, System.Type args_type)
{
raw_closure = glibsharp_closure_new(Marshaler, Notify, IntPtr.Zero);
closures [raw_closure] = this;
signal = sig;
}