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root/cebix/BasiliskII/src/MacOSX/clip_macosx.cpp
Revision: 1.7
Committed: 2008-01-01T09:40:32Z (16 years, 5 months ago) by gbeauche
Branch: MAIN
Changes since 1.6: +1 -1 lines
Log Message:
Happy New Year!

File Contents

# Content
1 /*
2 * clip_macosx.cpp - Clipboard handling, MacOS X (Carbon) implementation
3 *
4 * Basilisk II (C) 1997-2008 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 #include <Carbon/Carbon.h>
23
24 #include "clip.h"
25 #include "main.h"
26 #include "cpu_emulation.h"
27 #include "emul_op.h"
28
29 #define DEBUG 0
30 #include "debug.h"
31
32
33 // Flag for PutScrap(): the data was put by GetScrap(), don't bounce it back to the MacOS X side
34 static bool we_put_this_data = false;
35
36
37 static void SwapScrapData(uint32 type, void *data, int32 length, int from_host) {
38 #if BYTE_ORDER != BIG_ENDIAN
39 if (type == kScrapFlavorTypeTextStyle) {
40 uint16 *sdata = (uint16 *) data;
41 // the first short stores the number of runs
42 uint16 runs = sdata[0];
43 sdata[0] = htons(sdata[0]);
44 if (from_host)
45 runs = sdata[0];
46 sdata++;
47 // loop through each run
48 for (int i = 0; i < runs; i++) {
49 struct style_data {
50 uint32 offset;
51 uint16 line_height;
52 uint16 line_ascent;
53 uint16 font_family;
54 uint16 character_style; // not swapped
55 uint16 point_size;
56 uint16 red;
57 uint16 green;
58 uint16 blue;
59 } *style = (struct style_data *) (sdata + i*10);
60 style->offset = htonl(style->offset);
61 style->line_height = htons(style->line_height);
62 style->line_ascent = htons(style->line_ascent);
63 style->font_family = htons(style->font_family);
64 style->point_size = htons(style->point_size);
65 style->red = htons(style->red);
66 style->green = htons(style->green);
67 style->blue = htons(style->blue);
68 }
69 } else {
70 // add byteswapping code for other flavor types here ...
71 }
72 #endif
73 }
74
75
76 /*
77 * Initialization
78 */
79
80 void ClipInit(void)
81 {
82 }
83
84
85 /*
86 * Deinitialization
87 */
88
89 void ClipExit(void)
90 {
91 }
92
93
94 /*
95 * Mac application reads clipboard
96 */
97
98 void GetScrap(void **handle, uint32 type, int32 offset)
99 {
100 D(bug("GetScrap handle %p, type %08x, offset %d\n", handle, type, offset));
101 ScrapRef theScrap;
102
103 if (GetCurrentScrap(&theScrap) != noErr) {
104 D(bug(" could not open scrap\n"));
105 return;
106 }
107
108 Size byteCount;
109 if (GetScrapFlavorSize(theScrap, type, &byteCount) == noErr) {
110
111 // Allocate space for new scrap in MacOS side
112 M68kRegisters r;
113 r.d[0] = byteCount;
114 Execute68kTrap(0xa71e, &r); // NewPtrSysClear()
115 uint32 scrap_area = r.a[0];
116
117 // Get the native clipboard data
118 if (scrap_area) {
119 uint8 * const data = Mac2HostAddr(scrap_area);
120 if (GetScrapFlavorData(theScrap, type, &byteCount, data) == noErr) {
121 SwapScrapData(type, data, byteCount, FALSE);
122 // Add new data to clipboard
123 static uint8 proc[] = {
124 0x59, 0x8f, // subq.l #4,sp
125 0xa9, 0xfc, // ZeroScrap()
126 0x2f, 0x3c, 0, 0, 0, 0, // move.l #length,-(sp)
127 0x2f, 0x3c, 0, 0, 0, 0, // move.l #type,-(sp)
128 0x2f, 0x3c, 0, 0, 0, 0, // move.l #outbuf,-(sp)
129 0xa9, 0xfe, // PutScrap()
130 0x58, 0x8f, // addq.l #4,sp
131 M68K_RTS >> 8, M68K_RTS
132 };
133 r.d[0] = sizeof(proc);
134 Execute68kTrap(0xa71e, &r); // NewPtrSysClear()
135 uint32 proc_area = r.a[0];
136
137 if (proc_area) {
138 Host2Mac_memcpy(proc_area, proc, sizeof(proc));
139 WriteMacInt32(proc_area + 6, byteCount);
140 WriteMacInt32(proc_area + 12, type);
141 WriteMacInt32(proc_area + 18, scrap_area);
142 we_put_this_data = true;
143 Execute68k(proc_area, &r);
144
145 r.a[0] = proc_area;
146 Execute68kTrap(0xa01f, &r); // DisposePtr
147 }
148 }
149
150 r.a[0] = scrap_area;
151 Execute68kTrap(0xa01f, &r); // DisposePtr
152 }
153 }
154 }
155
156
157 /*
158 * Mac application wrote to clipboard
159 */
160
161 void PutScrap(uint32 type, void *scrap, int32 length)
162 {
163 D(bug("PutScrap type %08lx, data %08lx, length %ld\n", type, scrap, length));
164 ScrapRef theScrap;
165
166 if (we_put_this_data) {
167 we_put_this_data = false;
168 return;
169 }
170 if (length <= 0)
171 return;
172
173 ClearCurrentScrap();
174 if (GetCurrentScrap(&theScrap) != noErr) {
175 D(bug(" could not open scrap\n"));
176 return;
177 }
178
179 SwapScrapData(type, scrap, length, TRUE);
180 if (PutScrapFlavor(theScrap, type, kScrapFlavorMaskNone, length, scrap) != noErr) {
181 D(bug(" could not put to scrap\n"));
182 return;
183 }
184 }