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root/cebix/BasiliskII/src/Windows/clip_windows.cpp
Revision: 1.1
Committed: 2004-11-17T00:57:06Z (19 years, 7 months ago) by gbeauche
Branch: MAIN
Log Message:
Windows clipboard support (copy-paste)

File Contents

# Content
1 /*
2 * clip_windows.cpp - Clipboard handling, Windows implementation
3 *
4 * Basilisk II (C) 1997-2004 Christian Bauer
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21 #include "sysdeps.h"
22
23 #include <vector>
24 #define WIN32_LEAN_AND_MEAN
25 #include <windows.h>
26
27 #include "macos_util.h"
28 #include "clip.h"
29 #include "prefs.h"
30 #include "cpu_emulation.h"
31 #include "main.h"
32 #include "emul_op.h"
33
34 #define DEBUG 0
35 #include "debug.h"
36
37 #ifndef NO_STD_NAMESPACE
38 using std::vector;
39 #endif
40
41
42 // Conversion tables
43 static const uint8 mac2iso[0x80] = {
44 0xc4, 0xc5, 0xc7, 0xc9, 0xd1, 0xd6, 0xdc, 0xe1,
45 0xe0, 0xe2, 0xe4, 0xe3, 0xe5, 0xe7, 0xe9, 0xe8,
46 0xea, 0xeb, 0xed, 0xec, 0xee, 0xef, 0xf1, 0xf3,
47 0xf2, 0xf4, 0xf6, 0xf5, 0xfa, 0xf9, 0xfb, 0xfc,
48 0x2b, 0xb0, 0xa2, 0xa3, 0xa7, 0xb7, 0xb6, 0xdf,
49 0xae, 0xa9, 0x20, 0xb4, 0xa8, 0x23, 0xc6, 0xd8,
50 0x20, 0xb1, 0x3c, 0x3e, 0xa5, 0xb5, 0xf0, 0x53,
51 0x50, 0x70, 0x2f, 0xaa, 0xba, 0x4f, 0xe6, 0xf8,
52 0xbf, 0xa1, 0xac, 0x2f, 0x66, 0x7e, 0x44, 0xab,
53 0xbb, 0x2e, 0x20, 0xc0, 0xc3, 0xd5, 0x4f, 0x6f,
54 0x2d, 0x2d, 0x22, 0x22, 0x60, 0x27, 0xf7, 0x20,
55 0xff, 0x59, 0x2f, 0xa4, 0x3c, 0x3e, 0x66, 0x66,
56 0x23, 0xb7, 0x2c, 0x22, 0x25, 0xc2, 0xca, 0xc1,
57 0xcb, 0xc8, 0xcd, 0xce, 0xcf, 0xcc, 0xd3, 0xd4,
58 0x20, 0xd2, 0xda, 0xdb, 0xd9, 0x69, 0x5e, 0x7e,
59 0xaf, 0x20, 0xb7, 0xb0, 0xb8, 0x22, 0xb8, 0x20
60 };
61
62 static const uint8 iso2mac[0x80] = {
63 0xad, 0xb0, 0xe2, 0xc4, 0xe3, 0xc9, 0xa0, 0xe0,
64 0xf6, 0xe4, 0xde, 0xdc, 0xce, 0xb2, 0xb3, 0xb6,
65 0xb7, 0xd4, 0xd5, 0xd2, 0xd3, 0xa5, 0xd0, 0xd1,
66 0xf7, 0xaa, 0xdf, 0xdd, 0xcf, 0xba, 0xfd, 0xd9,
67 0xca, 0xc1, 0xa2, 0xa3, 0xdb, 0xb4, 0xbd, 0xa4,
68 0xac, 0xa9, 0xbb, 0xc7, 0xc2, 0xf0, 0xa8, 0xf8,
69 0xa1, 0xb1, 0xc3, 0xc5, 0xab, 0xb5, 0xa6, 0xe1,
70 0xfc, 0xc6, 0xbc, 0xc8, 0xf9, 0xda, 0xd7, 0xc0,
71 0xcb, 0xe7, 0xe5, 0xcc, 0x80, 0x81, 0xae, 0x82,
72 0xe9, 0x83, 0xe6, 0xe8, 0xed, 0xea, 0xeb, 0xec,
73 0xf5, 0x84, 0xf1, 0xee, 0xef, 0xcd, 0x85, 0xfb,
74 0xaf, 0xf4, 0xf2, 0xf3, 0x86, 0xfa, 0xb8, 0xa7,
75 0x88, 0x87, 0x89, 0x8b, 0x8a, 0x8c, 0xbe, 0x8d,
76 0x8f, 0x8e, 0x90, 0x91, 0x93, 0x92, 0x94, 0x95,
77 0xfe, 0x96, 0x98, 0x97, 0x99, 0x9b, 0x9a, 0xd6,
78 0xbf, 0x9d, 0x9c, 0x9e, 0x9f, 0xff, 0xb9, 0xd8
79 };
80
81 // Flag: Don't convert clipboard text
82 static bool no_clip_conversion;
83
84 // Flag for PutScrap(): the data was put by GetScrap(), don't bounce it back to the Windows side
85 static bool we_put_this_data = false;
86
87 // Define a byte array (rewrite if it's a bottleneck)
88 struct ByteArray : public vector<uint8> {
89 uint8 *data() { return &(*this)[0]; }
90 };
91
92 // Prototypes
93 static void do_putscrap(uint32 type, void *scrap, int32 length);
94 static void do_getscrap(void **handle, uint32 type, int32 offset);
95
96 // The main window handle
97 #ifdef USE_SDL_VIDEO
98 #include <SDL_syswm.h>
99 static HWND GetMainWindowHandle(void)
100 {
101 SDL_SysWMinfo wmInfo;
102 wmInfo.version.major = SDL_MAJOR_VERSION;
103 wmInfo.version.minor = SDL_MINOR_VERSION;
104 wmInfo.version.patch = SDL_PATCHLEVEL;
105 return SDL_GetWMInfo(&wmInfo) ? wmInfo.window : NULL;
106 }
107 #endif
108
109
110 /*
111 * Initialization
112 */
113
114 void ClipInit(void)
115 {
116 no_clip_conversion = PrefsFindBool("noclipconversion");
117 }
118
119
120 /*
121 * Deinitialization
122 */
123
124 void ClipExit(void)
125 {
126 }
127
128
129 /*
130 * Mac application wrote to clipboard
131 */
132
133 void PutScrap(uint32 type, void *scrap, int32 length)
134 {
135 D(bug("PutScrap type %08lx, data %p, length %ld\n", type, scrap, length));
136 if (we_put_this_data) {
137 we_put_this_data = false;
138 return;
139 }
140 if (length <= 0)
141 return;
142
143 do_putscrap(type, scrap, length);
144 }
145
146 static void do_putscrap(uint32 type, void *scrap, int32 length)
147 {
148 ByteArray clip_data;
149 UINT uFormat = 0;
150
151 switch (type) {
152 case FOURCC('T','E','X','T'): {
153 D(bug(" clipping TEXT\n"));
154
155 // Convert text from Mac charset to ISO-Latin1
156 uint8 *p = (uint8 *)scrap;
157 for (int i=0; i<length; i++) {
158 uint8 c = *p++;
159 if (c < 0x80) {
160 if (c == 13) { // CR -> CR/LF
161 clip_data.push_back(c);
162 c = 10;
163 }
164 } else if (!no_clip_conversion)
165 c = mac2iso[c & 0x7f];
166 clip_data.push_back(c);
167 }
168 clip_data.push_back(0);
169 uFormat = CF_TEXT;
170 break;
171 }
172 }
173 if (uFormat != CF_TEXT) // 'TEXT' only
174 return;
175
176 // Transfer data to the native clipboard
177 HWND hMainWindow = GetMainWindowHandle();
178 if (!hMainWindow ||!OpenClipboard(hMainWindow))
179 return;
180 EmptyClipboard();
181 HANDLE hData = GlobalAlloc(GMEM_DDESHARE, clip_data.size());
182 if (hData) {
183 uint8 *data = (uint8 *)GlobalLock(hData);
184 memcpy(data, clip_data.data(), clip_data.size());
185 GlobalUnlock(hData);
186 if (!SetClipboardData(uFormat, hData))
187 GlobalFree(hData);
188 }
189 CloseClipboard();
190 }
191
192
193 /*
194 * Mac application reads clipboard
195 */
196
197 void GetScrap(void **handle, uint32 type, int32 offset)
198 {
199 D(bug("GetScrap handle %p, type %08x, offset %d\n", handle, type, offset));
200
201 do_getscrap(handle, type, offset);
202 }
203
204 static void do_getscrap(void **handle, uint32 type, int32 offset)
205 {
206 // Get appropriate format for requested data
207 UINT uFormat = 0;
208 switch (type) {
209 case FOURCC('T','E','X','T'):
210 uFormat = CF_TEXT;
211 break;
212 }
213 if (uFormat != CF_TEXT) // 'TEXT' only
214 return;
215
216 // Get the native clipboard data
217 HWND hMainWindow = GetMainWindowHandle();
218 if (!hMainWindow || !OpenClipboard(hMainWindow))
219 return;
220 HANDLE hData = GetClipboardData(uFormat);
221 if (hData) {
222 uint8 *data = (uint8 *)GlobalLock(hData);
223 if (data) {
224 uint32 length = GlobalSize(hData);
225 if (length) {
226 int32 out_length = 0;
227
228 // Allocate space for new scrap in MacOS side
229 M68kRegisters r;
230 r.d[0] = length;
231 Execute68kTrap(0xa71e, &r); // NewPtrSysClear()
232 uint32 scrap_area = r.a[0];
233
234 if (scrap_area) {
235 switch (type) {
236 case FOURCC('T','E','X','T'):
237 D(bug(" clipping TEXT\n"));
238
239 // Convert text from ISO-Latin1 to Mac charset
240 uint8 *p = Mac2HostAddr(scrap_area);
241 for (int i = 0; i < length; i++) {
242 uint8 c = data[i];
243 if (c < 0x80) {
244 if (c == 13 && i < length - 1 && data[i + 1] == 10) { // CR/LF -> CR
245 c = 13;
246 i++;
247 }
248 } else if (!no_clip_conversion)
249 c = iso2mac[c & 0x7f];
250 *p++ = c;
251 out_length++;
252 }
253 break;
254 }
255
256 // Add new data to clipboard
257 static uint8 proc[] = {
258 0x59, 0x8f, // subq.l #4,sp
259 0xa9, 0xfc, // ZeroScrap()
260 0x2f, 0x3c, 0, 0, 0, 0, // move.l #length,-(sp)
261 0x2f, 0x3c, 0, 0, 0, 0, // move.l #type,-(sp)
262 0x2f, 0x3c, 0, 0, 0, 0, // move.l #outbuf,-(sp)
263 0xa9, 0xfe, // PutScrap()
264 0x58, 0x8f, // addq.l #4,sp
265 M68K_RTS >> 8, M68K_RTS
266 };
267 uint32 proc_area = Host2MacAddr(proc);
268 WriteMacInt32(proc_area + 6, out_length);
269 WriteMacInt32(proc_area + 12, type);
270 WriteMacInt32(proc_area + 18, scrap_area);
271 we_put_this_data = true;
272 Execute68k(proc_area, &r);
273
274 // We are done with scratch memory
275 r.a[0] = scrap_area;
276 Execute68kTrap(0xa01f, &r); // DisposePtr
277 }
278 }
279 GlobalUnlock(hData);
280 }
281 }
282 CloseClipboard();
283 }