|
221
|
1 /* mswindows selection processing for XEmacs
|
|
|
2 Copyright (C) 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
|
|
|
3
|
|
|
4 This file is part of XEmacs.
|
|
|
5
|
|
|
6 XEmacs is free software; you can redistribute it and/or modify it
|
|
|
7 under the terms of the GNU General Public License as published by the
|
|
|
8 Free Software Foundation; either version 2, or (at your option) any
|
|
|
9 later version.
|
|
|
10
|
|
|
11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
|
|
|
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
14 for more details.
|
|
|
15
|
|
|
16 You should have received a copy of the GNU General Public License
|
|
|
17 along with XEmacs; see the file COPYING. If not, write to
|
|
|
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
19 Boston, MA 02111-1307, USA. */
|
|
|
20
|
|
|
21 /* Synched up with: Not synched with FSF. */
|
|
|
22
|
|
|
23 /* Authorship:
|
|
|
24
|
|
|
25 Written by Kevin Gallo for FSF Emacs.
|
|
|
26 Rewritten for mswindows by Jonathan Harris, December 1997 for 20.4.
|
|
|
27 */
|
|
|
28
|
|
|
29
|
|
|
30 #include <config.h>
|
|
|
31 #include "lisp.h"
|
|
|
32
|
|
|
33 #include "console-msw.h"
|
|
|
34
|
|
|
35 DEFUN ("mswindows-set-clipboard", Fmswindows_set_clipboard, 1, 1, 0, /*
|
|
|
36 Copy STRING to the mswindows clipboard.
|
|
|
37 */
|
|
|
38 (string))
|
|
|
39 {
|
|
|
40 int rawsize, size, i;
|
|
|
41 unsigned char *src, *dst, *next;
|
|
|
42 HGLOBAL h = NULL;
|
|
|
43
|
|
|
44 CHECK_STRING (string, 0);
|
|
|
45
|
|
|
46 /* Calculate size with LFs converted to CRLFs because
|
|
|
47 * CF_TEXT format uses CRLF delimited ASCIIZ */
|
|
|
48 src = XSTRING_DATA (string);
|
|
|
49 size = rawsize = XSTRING_LENGTH (string) + 1;
|
|
|
50 for (i=0; i<rawsize; i++)
|
|
|
51 if (src[i] == '\n')
|
|
|
52 size++;
|
|
|
53
|
|
|
54 if (!OpenClipboard (NULL))
|
|
|
55 return Qnil;
|
|
|
56
|
|
|
57 if (!EmptyClipboard () ||
|
|
|
58 (h = GlobalAlloc (GMEM_MOVEABLE | GMEM_DDESHARE, size)) == NULL ||
|
|
|
59 (dst = (unsigned char *) GlobalLock (h)) == NULL)
|
|
|
60 {
|
|
|
61 if (h != NULL) GlobalFree (h);
|
|
|
62 CloseClipboard ();
|
|
|
63 return Qnil;
|
|
|
64 }
|
|
|
65
|
|
|
66 /* Convert LFs to CRLFs */
|
|
|
67 do
|
|
|
68 {
|
|
|
69 /* copy next line or remaining bytes including '\0' */
|
|
|
70 next = memccpy (dst, src, '\n', rawsize);
|
|
|
71 if (next)
|
|
|
72 {
|
|
|
73 /* copied one line ending with '\n' */
|
|
|
74 int copied = next - dst;
|
|
|
75 rawsize -= copied;
|
|
|
76 src += copied;
|
|
|
77 /* insert '\r' before '\n' */
|
|
|
78 next[-1] = '\r';
|
|
|
79 next[0] = '\n';
|
|
|
80 dst = next+1;
|
|
|
81 }
|
|
|
82 }
|
|
|
83 while (next);
|
|
|
84
|
|
|
85 GlobalUnlock (h);
|
|
|
86
|
|
|
87 i = SetClipboardData (CF_TEXT, h);
|
|
|
88
|
|
|
89 CloseClipboard ();
|
|
|
90 GlobalFree (h);
|
|
|
91
|
|
|
92 return i ? Qt : Qnil;
|
|
|
93 }
|
|
|
94
|
|
|
95 DEFUN ("mswindows-get-clipboard", Fmswindows_get_clipboard, 0, 0, 0, /*
|
|
|
96 Return the contents of the mswindows clipboard.
|
|
|
97 */
|
|
|
98 ())
|
|
|
99 {
|
|
|
100 HANDLE h;
|
|
|
101 unsigned char *src, *dst, *next;
|
|
|
102 Lisp_Object ret = Qnil;
|
|
|
103
|
|
|
104 if (!OpenClipboard (NULL))
|
|
|
105 return Qnil;
|
|
|
106
|
|
|
107 if ((h = GetClipboardData (CF_TEXT)) != NULL &&
|
|
|
108 (src = (unsigned char *) GlobalLock (h)) != NULL)
|
|
|
109 {
|
|
|
110 int i;
|
|
|
111 int size, rawsize;
|
|
|
112 size = rawsize = strlen (src);
|
|
|
113
|
|
|
114 for (i=0; i<rawsize; i++)
|
|
|
115 if (src[i] == '\r' && src[i+1] == '\n')
|
|
|
116 size--;
|
|
|
117
|
|
|
118 /* Convert CRLFs to LFs */
|
|
|
119 ret = make_uninit_string (size);
|
|
|
120 dst = XSTRING_DATA (ret);
|
|
|
121 do
|
|
|
122 {
|
|
|
123 /* copy next line or remaining bytes excluding '\0' */
|
|
|
124 next = _memccpy (dst, src, '\r', rawsize);
|
|
|
125 if (next)
|
|
|
126 {
|
|
|
127 /* copied one line ending with '\r' */
|
|
|
128 int copied = next - dst;
|
|
|
129 rawsize -= copied;
|
|
|
130 src += copied;
|
|
|
131 if (*src == '\n')
|
|
|
132 dst += copied - 1; /* overwrite '\r' */
|
|
|
133 else
|
|
|
134 dst += copied;
|
|
|
135 }
|
|
|
136 }
|
|
|
137 while (next);
|
|
|
138
|
|
|
139 GlobalUnlock (h);
|
|
|
140 }
|
|
|
141
|
|
|
142 CloseClipboard ();
|
|
|
143
|
|
|
144 return ret;
|
|
|
145 }
|
|
|
146
|
|
|
147
|
|
|
148 /************************************************************************/
|
|
|
149 /* initialization */
|
|
|
150 /************************************************************************/
|
|
|
151
|
|
|
152 void
|
|
|
153 syms_of_select_mswindows (void)
|
|
|
154 {
|
|
|
155 DEFSUBR (Fmswindows_set_clipboard);
|
|
|
156 DEFSUBR (Fmswindows_get_clipboard);
|
|
|
157 }
|
|
|
158
|
|
|
159 void
|
|
|
160 vars_of_select_mswindows (void)
|
|
|
161 {
|
|
|
162 }
|
