protected override unsafe void OnRender(Cairo.Context cr, Gtk.Widget widget, Gdk.Rectangle background_area, Gdk.Rectangle cell_area, Gtk.CellRendererState flags)
{
#if GTKCORE
RenderNativeDelegate renderNativeDelegate = null;
IntPtr *ptr = (IntPtr *)((long)LookupGType().GetThresholdType().GetClassPtr() + class_abi.GetFieldOffset("render"));
if (*ptr != IntPtr.Zero)
{
renderNativeDelegate = (RenderNativeDelegate)Marshal.GetDelegateForFunctionPointer(*ptr, typeof(RenderNativeDelegate));
if (renderNativeDelegate != null)
{
IntPtr intPtr = GLib.Marshaller.StructureToPtrAlloc(background_area);
IntPtr intPtr2 = GLib.Marshaller.StructureToPtrAlloc(cell_area);
renderNativeDelegate(base.Handle, cr?.Handle ?? IntPtr.Zero, widget?.Handle ?? IntPtr.Zero, intPtr, intPtr2, (int)flags);
Marshal.FreeHGlobal(intPtr);
Marshal.FreeHGlobal(intPtr2);
}
}
#endif
if (editingRow == row)
{
return;
}
using (var graphics = new Graphics(new GraphicsHandler(widget, cr)))
{
var item = Handler.Source.GetItem(Row);
var args = new CellPaintEventArgs(graphics, cell_area.ToEto(), flags.ToEto(), item);
Handler.Callback.OnPaint(Handler.Widget, args);
}
}
static void OverrideRender(GLib.GType gtype, RenderNativeDelegate callback)
{
unsafe {
IntPtr *raw_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset("render"));
*raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate)callback);
}
}
private bool InternalRender(Gdk.GLContext context)
{
RenderNativeDelegate unmanaged = class_abi.BaseOverride <RenderNativeDelegate>(this.LookupGType(), "render");
if (unmanaged == null)
{
return(false);
}
bool __result = unmanaged(this.Handle, context == null ? IntPtr.Zero : context.Handle);
return(__result);
}
private bool InternalRender(Gdk.GLContext context)
{
RenderNativeDelegate unmanaged = null;
unsafe {
IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("render"));
unmanaged = (RenderNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(RenderNativeDelegate));
}
if (unmanaged == null)
{
return(false);
}
bool __result = unmanaged(this.Handle, context == null ? IntPtr.Zero : context.Handle);
return(__result);
}
private bool InternalRender(Gst.Buffer audio, Gst.Video.VideoFrame video)
{
RenderNativeDelegate unmanaged = null;
unsafe {
IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("render"));
unmanaged = (RenderNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(RenderNativeDelegate));
}
if (unmanaged == null)
{
return(false);
}
IntPtr native_video = GLib.Marshaller.StructureToPtrAlloc(video);
bool __result = unmanaged(this.Handle, audio == null ? IntPtr.Zero : audio.Handle, native_video);
Marshal.FreeHGlobal(native_video);
return(__result);
}
static void OverrideRender (Gst.GLib.GType gtype, RenderNativeDelegate callback)
{
GstBaseSinkClass class_iface = GetClassStruct (gtype, false);
class_iface.Render = callback;
OverrideClassStruct (gtype, class_iface);
}
