source: trunk/Lucide/SOURCE/gui/clipbrd.cpp @ 70

Last change on this file since 70 was 37, checked in by Eugene Romanenko, 16 years ago

fixed crash on copying large block of text to clipboard

File size: 3.3 KB
Line 
1/* ***** BEGIN LICENSE BLOCK *****
2 * Version: CDDL 1.0/LGPL 2.1
3 *
4 * The contents of this file are subject to the COMMON DEVELOPMENT AND
5 * DISTRIBUTION LICENSE (CDDL) Version 1.0 (the "License"); you may not use
6 * this file except in compliance with the License. You may obtain a copy of
7 * the License at http://www.sun.com/cddl/
8 *
9 * Software distributed under the License is distributed on an "AS IS" basis,
10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 * for the specific language governing rights and limitations under the
12 * License.
13 *
14 * The Initial Developer of the Original Code is
15 * Eugene Romanenko, netlabs.org.
16 * Portions created by the Initial Developer are Copyright (C) 2006
17 * the Initial Developer. All Rights Reserved.
18 *
19 * Contributor(s):
20 *
21 * Alternatively, the contents of this file may be used under the terms of
22 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
23 * in which case the provisions of the LGPL are applicable instead of those
24 * above. If you wish to allow use of your version of this file only under the
25 * terms of the LGPL, and not to allow others to use your version of this file
26 * under the terms of the CDDL, indicate your decision by deleting the
27 * provisions above and replace them with the notice and other provisions
28 * required by the LGPL. If you do not delete the provisions above, a recipient
29 * may use your version of this file under the terms of any one of the CDDL
30 * or the LGPL.
31 *
32 * ***** END LICENSE BLOCK ***** */
33
34
35#define INCL_WIN
36#define INCL_DOS
37#include <os2.h>
38
39#include <string.h>
40#include <malloc.h>
41#include <stdio.h>
42#include "cpconv.h"
43
44
45#define kUnicodeMime "text/unicode"
46
47inline ULONG RegisterClipboardFormat(PCSZ pcszFormat)
48{
49    ATOM atom = WinFindAtom(WinQuerySystemAtomTable(), pcszFormat);
50    if (!atom) {
51        atom = WinAddAtom(WinQuerySystemAtomTable(), pcszFormat);
52    }
53    return atom;
54}
55
56void initClipbrd()
57{
58    RegisterClipboardFormat( kUnicodeMime );
59}
60
61void textToClipbrd( HAB hab, const char *text )
62{
63    size_t len = 0;
64    size_t olen = 0;
65    const char *tsav = text;
66
67    if ( WinOpenClipbrd( hab ) )
68    {
69        WinEmptyClipbrd( hab );
70
71        len = strlen( text );
72        olen = (len + 2)*2;
73
74        void *memuni = NULL;
75
76        // place to clipboard as unicode
77        if ( DosAllocSharedMem( &memuni, NULL, olen, fALLOCSHR ) == 0 )
78        {
79            memset( memuni, 0, olen );
80            void *tmem = memuni;
81
82            tsav = text;
83            cnvUTF8ToUni( &text, &len, (char **)&memuni, &olen );
84            text = tsav;
85
86            ULONG ulFormatID = RegisterClipboardFormat( kUnicodeMime );
87            WinSetClipbrdData( hab, (ULONG)tmem, ulFormatID, CFI_POINTER );
88        }
89
90        len = strlen( text );
91        olen = (len + 2)*2;
92        void *memcp = NULL;
93
94        // place to clipboard as current codepage
95        if ( DosAllocSharedMem( &memcp, NULL, olen, fALLOCSHR ) == 0 )
96        {
97            memset( memcp, 0, olen );
98            void *tmem = memcp;
99
100            tsav = text;
101            cnvUTF8ToSys( &text, &len, (char **)&memcp, &olen );
102                        text = tsav;
103
104            WinSetClipbrdData( hab, (ULONG)tmem, CF_TEXT, CFI_POINTER );
105        }
106
107
108        WinCloseClipbrd( hab );
109    }
110}
111
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