GtkSharp/gtk/Clipboard.custom

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// Gtk.Clipboard.custom - Customizations for the Clipboard class
//
// Authors: Mike Kestner <mkestner@novell.com>
//
// Copyright (c) 2005 Novell, Inc.
//
// 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 ("libgtk-win32-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern bool gtk_clipboard_set_with_data(IntPtr raw, TargetEntry[] targets, int n_targets, GtkSharp.ClipboardGetFuncNative get_func, GtkSharp.ClipboardClearFuncNative clear_func, IntPtr data);
[DllImport ("libgtk-win32-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern bool gtk_clipboard_set_with_owner(IntPtr raw, TargetEntry[] targets, int n_targets, GtkSharp.ClipboardGetFuncNative get_func, GtkSharp.ClipboardClearFuncNative clear_func, IntPtr owner);
void ClearProxy (Clipboard clipboard)
{
if (PersistentData ["clear_func"] != null) {
ClipboardClearFunc clear = PersistentData ["clear_func"] as ClipboardClearFunc;
clear (clipboard);
}
SetPersistentData (null, null, null);
}
void SetPersistentData (object get_func_wrapper, object clear_func, object clear_proxy_wrapper)
{
PersistentData ["get_func_wrapper"] = get_func_wrapper;
PersistentData ["clear_func"] = clear_func;
PersistentData ["clear_proxy_wrapper"] = clear_proxy_wrapper;
}
public bool SetWithData (TargetEntry[] targets, ClipboardGetFunc get_func, ClipboardClearFunc clear_func)
{
ClipboardClearFunc clear_proxy = new ClipboardClearFunc (ClearProxy);
GtkSharp.ClipboardGetFuncWrapper get_func_wrapper = new GtkSharp.ClipboardGetFuncWrapper (get_func);
GtkSharp.ClipboardClearFuncWrapper clear_proxy_wrapper = new GtkSharp.ClipboardClearFuncWrapper (clear_proxy);
bool ret = gtk_clipboard_set_with_data (Handle, targets, targets.Length, get_func_wrapper.NativeDelegate, clear_proxy_wrapper.NativeDelegate, IntPtr.Zero);
SetPersistentData (get_func_wrapper, clear_func, clear_proxy_wrapper);
return ret;
}
public bool SetWithOwner (TargetEntry[] targets, ClipboardGetFunc get_func, ClipboardClearFunc clear_func, GLib.Object owner)
{
ClipboardClearFunc clear_proxy = new ClipboardClearFunc (ClearProxy);
GtkSharp.ClipboardGetFuncWrapper get_func_wrapper = new GtkSharp.ClipboardGetFuncWrapper (get_func);
GtkSharp.ClipboardClearFuncWrapper clear_proxy_wrapper = new GtkSharp.ClipboardClearFuncWrapper (clear_proxy);
bool ret = gtk_clipboard_set_with_owner (Handle, targets, targets.Length, get_func_wrapper.NativeDelegate, clear_proxy_wrapper.NativeDelegate, owner == null ? IntPtr.Zero : owner.Handle);
SetPersistentData (get_func_wrapper, clear_func, clear_proxy_wrapper);
return ret;
}
2005-05-02 20:10:03 +00:00
[Obsolete ("Replaced by Text property.")]
public void SetText (string text)
{
Text = text;
}
[DllImport ("libgtk-win32-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern IntPtr gtk_clipboard_wait_for_rich_text (IntPtr raw, IntPtr buffer, out IntPtr format, out UIntPtr length);
public byte[] WaitForRichText(Gtk.TextBuffer buffer, out Gdk.Atom format)
{
UIntPtr length;
IntPtr format_as_native;
IntPtr raw_ret = gtk_clipboard_wait_for_rich_text (Handle, buffer == null ? IntPtr.Zero : buffer.Handle, out format_as_native, out length);
format = format_as_native == IntPtr.Zero ? null : (Gdk.Atom) GLib.Opaque.GetOpaque (format_as_native, typeof (Gdk.Atom), false);
if (raw_ret == IntPtr.Zero)
return new byte [0];
int sz = (int) (uint) length;
byte[] ret = new byte [sz];
Marshal.Copy (ret, 0, raw_ret, sz);
return ret;
}
public delegate void RichTextReceivedFunc (Gtk.Clipboard clipboard, Gdk.Atom format, byte[] text);
static RichTextReceivedFuncNative rt_rcvd_marshaler;
[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
delegate void RichTextReceivedFuncNative (IntPtr clipboard, IntPtr format, IntPtr text, UIntPtr length, IntPtr data);
void RichTextReceivedCallback (IntPtr clipboard_ptr, IntPtr format_ptr, IntPtr text_ptr, UIntPtr length, IntPtr data)
{
try {
Gtk.Clipboard clipboard = GLib.Object.GetObject(clipboard_ptr) as Gtk.Clipboard;
Gdk.Atom format = format_ptr == IntPtr.Zero ? null : (Gdk.Atom) GLib.Opaque.GetOpaque (format_ptr, typeof (Gdk.Atom), false);
int sz = (int) (uint) length;
byte[] text = new byte [sz];
Marshal.Copy (text, 0, text_ptr, sz);
GCHandle gch = (GCHandle) data;
RichTextReceivedFunc cb = gch.Target as RichTextReceivedFunc;
cb (clipboard, format, text);
gch.Free ();
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, false);
}
}
[DllImport ("libgtk-win32-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern void gtk_clipboard_request_rich_text(IntPtr raw, IntPtr buffer, RichTextReceivedFuncNative cb, IntPtr user_data);
public void RequestRichText (Gtk.TextBuffer buffer, RichTextReceivedFunc cb)
{
if (rt_rcvd_marshaler == null)
rt_rcvd_marshaler = new RichTextReceivedFuncNative (RichTextReceivedCallback);
gtk_clipboard_request_rich_text (Handle, buffer == null ? IntPtr.Zero : buffer.Handle, rt_rcvd_marshaler, (IntPtr) GCHandle.Alloc (cb));
}