GtkSharp/gtk/CellRenderer.custom

//
// CellRenderer.custom - Gtk CellRenderer class customizations
//
// Author: Todd Berman <tberman@sevenl.net>,
//         Peter Johanson <peter@peterjohanson.com>
//
// Copyright (C) 2004 Todd Berman
// Copyright (C) 2007 Peter Johanson
//
// This code is inserted after the automatically generated code.
//
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the Lesser GNU General 
// Public License as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.


		[DllImport("gtksharpglue-2")]
		static extern void gtksharp_cellrenderer_base_get_size (IntPtr handle, IntPtr widget, ref Gdk.Rectangle cell_area, out int x_offset, out int y_offset, out int width, out int height);

		[DllImport("gtksharpglue-2")]
		static extern void gtksharp_cellrenderer_override_get_size (IntPtr gtype, GetSizeDelegate cb);
		
		[GLib.CDeclCallback]
		delegate void GetSizeDelegate (IntPtr item, IntPtr widget, IntPtr cell_area_ptr, IntPtr x_offset, IntPtr y_offset, IntPtr width, IntPtr height);
                
		static GetSizeDelegate GetSizeCallback;
		
		static void GetSize_cb (IntPtr item, IntPtr widget, IntPtr cell_area_ptr, IntPtr x_offset, IntPtr y_offset, IntPtr width, IntPtr height)
		{
			try {
				CellRenderer obj = GLib.Object.GetObject (item, false) as CellRenderer;
				Gtk.Widget widg = GLib.Object.GetObject (widget, false) as Gtk.Widget;
				Gdk.Rectangle cell_area = Gdk.Rectangle.New (cell_area_ptr);
				int a, b, c, d;

				obj.GetSize (widg, ref cell_area, out a, out b, out c, out d);
				if (x_offset != IntPtr.Zero)
					Marshal.WriteInt32 (x_offset, a);
				if (y_offset != IntPtr.Zero)
					Marshal.WriteInt32 (y_offset, b);
				if (width != IntPtr.Zero)
					Marshal.WriteInt32 (width, c);
				if (height != IntPtr.Zero)
					Marshal.WriteInt32 (height, d);
			} catch (Exception e) {
				GLib.ExceptionManager.RaiseUnhandledException (e, false);
			}
		}

		static void OverrideGetSize (GLib.GType gtype)
		{
			if (GetSizeCallback == null)
				GetSizeCallback = new GetSizeDelegate (GetSize_cb);
			gtksharp_cellrenderer_override_get_size (gtype.Val, GetSizeCallback);
		}
               
		[GLib.DefaultSignalHandler (Type=typeof(Gtk.CellRenderer), ConnectionMethod="OverrideGetSize")] 
		public virtual void GetSize(Gtk.Widget widget, ref Gdk.Rectangle cell_area, out int x_offset, out int y_offset, out int width, out int height) 
		{
			gtksharp_cellrenderer_base_get_size(Handle, widget.Handle, ref cell_area, out x_offset, out y_offset, out width, out height);
		}

		[DllImport("gtksharpglue-2")]
		static extern void gtksharp_cellrenderer_invoke_get_size (IntPtr gtype, IntPtr handle, IntPtr widget, ref Gdk.Rectangle cell_area, out int x_offset, out int y_offset, out int width, out int height);

		internal static void InternalGetSize (GLib.GType gtype, Gtk.CellRenderer cell, Gtk.Widget widget, ref Gdk.Rectangle cell_area, out int x_offset, out int y_offset, out int width, out int height) 
		{
			gtksharp_cellrenderer_invoke_get_size (gtype.Val, cell.Handle, widget.Handle, ref cell_area, out x_offset, out y_offset, out width, out height);
		}

		[DllImport("gtksharpglue-2")]
		static extern void gtksharp_cellrenderer_base_render (IntPtr handle, IntPtr window, IntPtr widget, Gdk.Rectangle background_area, Gdk.Rectangle cell_area, Gdk.Rectangle expose_area, Gtk.CellRendererState flags);

		[DllImport("gtksharpglue-2")]
		static extern void gtksharp_cellrenderer_override_render (IntPtr gtype, RenderDelegate cb);

		[GLib.CDeclCallback]
		delegate void RenderDelegate (IntPtr item, IntPtr window, IntPtr widget, ref Gdk.Rectangle background_area, ref Gdk.Rectangle cell_area, ref Gdk.Rectangle expose_area, Gtk.CellRendererState flags);

		static RenderDelegate RenderCallback;

		static void Render_cb (IntPtr item, IntPtr window, IntPtr widget, ref Gdk.Rectangle background_area, ref Gdk.Rectangle cell_area, ref Gdk.Rectangle expose_area, Gtk.CellRendererState flags)
		{
			try {
				CellRenderer obj = GLib.Object.GetObject (item, false) as CellRenderer;
				Gdk.Drawable wind = GLib.Object.GetObject (window, false) as Gdk.Drawable;
				Gtk.Widget widg = GLib.Object.GetObject (widget, false) as Gtk.Widget;
				obj.Render (wind, widg, background_area, cell_area, expose_area, flags);
			} catch (Exception e) {
				GLib.ExceptionManager.RaiseUnhandledException (e, false);
			}
		}

		static void OverrideRender (GLib.GType gtype)
		{
			if (RenderCallback == null)
				RenderCallback = new RenderDelegate (Render_cb);
			gtksharp_cellrenderer_override_render (gtype.Val, RenderCallback);
		}

		[GLib.DefaultSignalHandler (Type=typeof(Gtk.CellRenderer), ConnectionMethod="OverrideRender")]
		protected virtual void Render (Gdk.Drawable window, Gtk.Widget widget, Gdk.Rectangle background_area, Gdk.Rectangle cell_area, Gdk.Rectangle expose_area, Gtk.CellRendererState flags)
		{
			gtksharp_cellrenderer_base_render (Handle, window.Handle, widget.Handle, background_area, cell_area, expose_area, flags);
		}

		[DllImport("gtksharpglue-2")]
		static extern void gtksharp_cellrenderer_invoke_render (IntPtr gtype, IntPtr handle, IntPtr window, IntPtr widget, Gdk.Rectangle background_area, Gdk.Rectangle cell_area, Gdk.Rectangle expose_area, Gtk.CellRendererState flags);

		internal static void InternalRender (GLib.GType gtype, Gtk.CellRenderer cell, Gdk.Drawable window, Gtk.Widget widget, Gdk.Rectangle background_area, Gdk.Rectangle cell_area, Gdk.Rectangle expose_area, Gtk.CellRendererState flags)
		{
			gtksharp_cellrenderer_invoke_render (gtype.Val, cell.Handle, window.Handle, widget.Handle, background_area, cell_area, expose_area, flags);
		}

		[DllImport("gtksharpglue-2")]
		static extern void gtksharp_cellrenderer_override_start_editing (IntPtr gtype, StartEditingDelegate cb);

		[GLib.CDeclCallback]
		delegate IntPtr StartEditingDelegate (IntPtr raw, IntPtr evnt, IntPtr widget, IntPtr path, ref Gdk.Rectangle background_area, ref Gdk.Rectangle cell_area, Gtk.CellRendererState flags);

		static StartEditingDelegate StartEditingCallback;

		static IntPtr StartEditing_cb (IntPtr raw, IntPtr evnt, IntPtr widget, IntPtr path, ref Gdk.Rectangle background_area, ref Gdk.Rectangle cell_area, Gtk.CellRendererState flags)
		{
			try {
				CellRenderer obj = GLib.Object.GetObject (raw, false) as CellRenderer;
				Gdk.Event _event = new Gdk.Event (evnt);
				Widget widg = GLib.Object.GetObject (widget, false) as Gtk.Widget;
				CellEditable retval = obj.StartEditing (_event, widg, GLib.Marshaller.Utf8PtrToString (path), background_area, cell_area, flags);
				if (retval == null)
					return IntPtr.Zero;
				return retval.Handle;
			} catch (Exception e) {
				GLib.ExceptionManager.RaiseUnhandledException (e, false);
			}

			return IntPtr.Zero;
		}

		static void OverrideStartEditing (GLib.GType gtype)
		{
			if (StartEditingCallback == null)
				StartEditingCallback = new StartEditingDelegate (StartEditing_cb);
			gtksharp_cellrenderer_override_start_editing (gtype.Val, StartEditingCallback);
		}

		[DllImport("gtksharpglue-2")]
		static extern IntPtr gtksharp_cellrenderer_base_start_editing(IntPtr raw, IntPtr evnt, IntPtr widget, IntPtr path, ref Gdk.Rectangle background_area, ref Gdk.Rectangle cell_area, int flags);

		[GLib.DefaultSignalHandler (Type=typeof(Gtk.CellRenderer), ConnectionMethod="OverrideStartEditing")]
		public virtual Gtk.CellEditable StartEditing(Gdk.Event evnt, Gtk.Widget widget, string path, Gdk.Rectangle background_area, Gdk.Rectangle cell_area, Gtk.CellRendererState flags) {
			IntPtr native = GLib.Marshaller.StringToPtrGStrdup (path);
			IntPtr raw_ret = gtksharp_cellrenderer_base_start_editing(Handle, evnt.Handle, widget.Handle, native, ref background_area, ref cell_area, (int) flags);
			GLib.Marshaller.Free (native);
			Gtk.CellEditable ret = (Gtk.CellEditable) GLib.Object.GetObject(raw_ret);
			return ret;
		}

		[DllImport("gtksharpglue-2")]
		static extern IntPtr gtksharp_cellrenderer_invoke_start_editing(IntPtr gtype, IntPtr raw, IntPtr evnt, IntPtr widget, IntPtr path, ref Gdk.Rectangle background_area, ref Gdk.Rectangle cell_area, int flags);

		internal static Gtk.CellEditable InternalStartEditing(GLib.GType gtype, Gtk.CellRenderer cell, Gdk.Event evnt, Gtk.Widget widget, string path, ref Gdk.Rectangle background_area, ref Gdk.Rectangle cell_area, Gtk.CellRendererState flags) 
		{
			IntPtr native = GLib.Marshaller.StringToPtrGStrdup (path);
			IntPtr raw_ret = gtksharp_cellrenderer_invoke_start_editing(gtype.Val, cell.Handle, evnt.Handle, widget.Handle, native, ref background_area, ref cell_area, (int) flags);
			GLib.Marshaller.Free (native);
			Gtk.CellEditable ret = GLib.Object.GetObject(raw_ret) as Gtk.CellEditable;
			return ret;
		}