2 Copyright (C) 2001-2006, William Joseph.
5 This file is part of GtkRadiant.
7 GtkRadiant is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 GtkRadiant is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GtkRadiant; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #include "clipboard.h"
24 #include "globaldefs.h"
25 #include "stream/memstream.h"
26 #include "stream/textstream.h"
30 /// \brief Platform-independent GTK clipboard support.
31 /// \todo Using GDK_SELECTION_CLIPBOARD fails on win32, so we use the win32 API directly for now.
34 const char* c_clipboard_format = "RadiantClippings";
38 void clipboard_copy( ClipboardCopyFunc copy ){
39 BufferOutputStream ostream;
42 bool bClipped = false;
43 UINT nClipboard = ::RegisterClipboardFormat( c_clipboard_format );
44 if ( nClipboard > 0 ) {
45 if ( ::OpenClipboard( 0 ) ) {
47 std::size_t length = ostream.size();
48 HANDLE h = ::GlobalAlloc( GMEM_ZEROINIT | GMEM_MOVEABLE | GMEM_DDESHARE, length + sizeof( std::size_t ) );
50 char *buffer = reinterpret_cast<char*>( ::GlobalLock( h ) );
51 *reinterpret_cast<std::size_t*>( buffer ) = length;
52 buffer += sizeof( std::size_t );
53 memcpy( buffer, ostream.data(), length );
55 ::SetClipboardData( nClipboard, h );
63 globalOutputStream() << "Unable to register Windows clipboard formats, copy/paste between editors will not be possible\n";
67 void clipboard_paste( ClipboardPasteFunc paste ){
68 UINT nClipboard = ::RegisterClipboardFormat( c_clipboard_format );
69 if ( nClipboard > 0 && ::OpenClipboard( 0 ) ) {
70 if ( IsClipboardFormatAvailable( nClipboard ) ) {
71 HANDLE h = ::GetClipboardData( nClipboard );
73 const char *buffer = reinterpret_cast<const char*>( ::GlobalLock( h ) );
74 std::size_t length = *reinterpret_cast<const std::size_t*>( buffer );
75 buffer += sizeof( std::size_t );
76 BufferInputStream istream( buffer, length );
91 RADIANT_CLIPPINGS = 23,
94 static char RADIANT_CLIPPINGS_STR[] = "RADIANT_CLIPPINGS";
96 static const GtkTargetEntry clipboard_targets[] = {
97 {RADIANT_CLIPPINGS_STR, 0, RADIANT_CLIPPINGS, },
100 static void clipboard_get( GtkClipboard *clipboard, GtkSelectionData *selection_data, guint info, gpointer data ){
101 std::size_t len = *reinterpret_cast<std::size_t*>( data );
102 const char* buffer = ( len != 0 ) ? reinterpret_cast<const char*>( data ) + sizeof( std::size_t ) : 0;
104 GdkAtom type = GDK_NONE;
105 if ( info == clipboard_targets[0].info ) {
106 type = gdk_atom_intern( clipboard_targets[0].target, FALSE );
109 gtk_selection_data_set( selection_data, type, 8, reinterpret_cast<const guchar*>( buffer ), static_cast<gint>( len ) );
112 static void clipboard_clear( GtkClipboard *clipboard, gpointer data ){
113 delete [] reinterpret_cast<const char*>( data );
116 static void clipboard_received( GtkClipboard *clipboard, GtkSelectionData *data, gpointer user_data ){
117 if ( gtk_selection_data_get_length(data) < 0 ) {
118 globalErrorStream() << "Error retrieving selection\n";
120 else if ( strcmp( gdk_atom_name( gtk_selection_data_get_data_type(data) ), clipboard_targets[0].target ) == 0 ) {
121 BufferInputStream istream( reinterpret_cast<const char*>( gtk_selection_data_get_data(data) ), gtk_selection_data_get_length(data) );
122 ( *reinterpret_cast<ClipboardPasteFunc*>( user_data ) )( istream );
126 void clipboard_copy( ClipboardCopyFunc copy ){
127 GtkClipboard* clipboard = gtk_clipboard_get( GDK_SELECTION_CLIPBOARD );
129 BufferOutputStream ostream;
131 std::size_t length = ostream.size();
132 char* data = new char[length + sizeof( std::size_t )];
133 *reinterpret_cast<std::size_t*>( data ) = length;
134 memcpy( data + sizeof( std::size_t ), ostream.data(), length );
136 gtk_clipboard_set_with_data( clipboard, clipboard_targets, 1, clipboard_get, clipboard_clear, data );
139 ClipboardPasteFunc g_clipboardPasteFunc = 0;
140 void clipboard_paste( ClipboardPasteFunc paste ){
141 GtkClipboard* clipboard = gtk_clipboard_get( GDK_SELECTION_CLIPBOARD );
143 g_clipboardPasteFunc = paste;
144 gtk_clipboard_request_contents( clipboard, gdk_atom_intern( clipboard_targets[0].target, FALSE ), clipboard_received, &g_clipboardPasteFunc );