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 );
90 RADIANT_CLIPPINGS = 23,
93 static char RADIANT_CLIPPINGS_STR[] = "RADIANT_CLIPPINGS";
95 static const GtkTargetEntry clipboard_targets[] = {
96 {RADIANT_CLIPPINGS_STR, 0, RADIANT_CLIPPINGS,},
99 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 ),
110 static_cast<gint>( len ));
113 static void clipboard_clear(GtkClipboard *clipboard, gpointer data)
115 delete[] reinterpret_cast<const char *>( data );
118 static void clipboard_received(GtkClipboard *clipboard, GtkSelectionData *data, gpointer user_data)
120 if (gtk_selection_data_get_length(data) < 0) {
121 globalErrorStream() << "Error retrieving selection\n";
122 } else if (strcmp(gdk_atom_name(gtk_selection_data_get_data_type(data)), clipboard_targets[0].target) == 0) {
123 BufferInputStream istream(reinterpret_cast<const char *>( gtk_selection_data_get_data(data)),
124 gtk_selection_data_get_length(data));
125 (*reinterpret_cast<ClipboardPasteFunc *>( user_data ))(istream);
129 void clipboard_copy(ClipboardCopyFunc copy)
131 GtkClipboard *clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
133 BufferOutputStream ostream;
135 std::size_t length = ostream.size();
136 char *data = new char[length + sizeof(std::size_t)];
137 *reinterpret_cast<std::size_t *>( data ) = length;
138 memcpy(data + sizeof(std::size_t), ostream.data(), length);
140 gtk_clipboard_set_with_data(clipboard, clipboard_targets, 1, clipboard_get, clipboard_clear, data);
143 ClipboardPasteFunc g_clipboardPasteFunc = 0;
145 void clipboard_paste(ClipboardPasteFunc paste)
147 GtkClipboard *clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
149 g_clipboardPasteFunc = paste;
150 gtk_clipboard_request_contents(clipboard, gdk_atom_intern(clipboard_targets[0].target, FALSE), clipboard_received,
151 &g_clipboardPasteFunc);