quorum: Inline quorum_aio_cb()
[qemu.git] / ui / keymaps.c
1 /*
2 * QEMU keysym to keycode conversion using rdesktop keymaps
3 *
4 * Copyright (c) 2004 Johannes Schindelin
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "keymaps.h"
27 #include "sysemu/sysemu.h"
28
29 static int get_keysym(const name2keysym_t *table,
30 const char *name)
31 {
32 const name2keysym_t *p;
33 for(p = table; p->name != NULL; p++) {
34 if (!strcmp(p->name, name)) {
35 return p->keysym;
36 }
37 }
38 if (name[0] == 'U' && strlen(name) == 5) { /* try unicode Uxxxx */
39 char *end;
40 int ret = (int)strtoul(name + 1, &end, 16);
41 if (*end == '\0' && ret > 0) {
42 return ret;
43 }
44 }
45 return 0;
46 }
47
48
49 static void add_to_key_range(struct key_range **krp, int code) {
50 struct key_range *kr;
51 for (kr = *krp; kr; kr = kr->next) {
52 if (code >= kr->start && code <= kr->end) {
53 break;
54 }
55 if (code == kr->start - 1) {
56 kr->start--;
57 break;
58 }
59 if (code == kr->end + 1) {
60 kr->end++;
61 break;
62 }
63 }
64 if (kr == NULL) {
65 kr = g_malloc0(sizeof(*kr));
66 kr->start = kr->end = code;
67 kr->next = *krp;
68 *krp = kr;
69 }
70 }
71
72 static void add_keysym(char *line, int keysym, int keycode, kbd_layout_t *k) {
73 if (keysym < MAX_NORMAL_KEYCODE) {
74 /* fprintf(stderr,"Setting keysym %s (%d) to %d\n",
75 line, keysym, keycode); */
76 k->keysym2keycode[keysym] = keycode;
77 } else {
78 if (k->extra_count >= MAX_EXTRA_COUNT) {
79 fprintf(stderr, "Warning: Could not assign keysym %s (0x%x)"
80 " because of memory constraints.\n", line, keysym);
81 } else {
82 #if 0
83 fprintf(stderr, "Setting %d: %d,%d\n",
84 k->extra_count, keysym, keycode);
85 #endif
86 k->keysym2keycode_extra[k->extra_count].
87 keysym = keysym;
88 k->keysym2keycode_extra[k->extra_count].
89 keycode = keycode;
90 k->extra_count++;
91 }
92 }
93 }
94
95 static kbd_layout_t *parse_keyboard_layout(const name2keysym_t *table,
96 const char *language,
97 kbd_layout_t *k)
98 {
99 FILE *f;
100 char * filename;
101 char line[1024];
102 int len;
103
104 filename = qemu_find_file(QEMU_FILE_TYPE_KEYMAP, language);
105 f = filename ? fopen(filename, "r") : NULL;
106 g_free(filename);
107 if (!f) {
108 fprintf(stderr, "Could not read keymap file: '%s'\n", language);
109 return NULL;
110 }
111
112 if (!k) {
113 k = g_new0(kbd_layout_t, 1);
114 }
115
116 for(;;) {
117 if (fgets(line, 1024, f) == NULL) {
118 break;
119 }
120 len = strlen(line);
121 if (len > 0 && line[len - 1] == '\n') {
122 line[len - 1] = '\0';
123 }
124 if (line[0] == '#') {
125 continue;
126 }
127 if (!strncmp(line, "map ", 4)) {
128 continue;
129 }
130 if (!strncmp(line, "include ", 8)) {
131 parse_keyboard_layout(table, line + 8, k);
132 } else {
133 char *end_of_keysym = line;
134 while (*end_of_keysym != 0 && *end_of_keysym != ' ') {
135 end_of_keysym++;
136 }
137 if (*end_of_keysym) {
138 int keysym;
139 *end_of_keysym = 0;
140 keysym = get_keysym(table, line);
141 if (keysym == 0) {
142 /* fprintf(stderr, "Warning: unknown keysym %s\n", line);*/
143 } else {
144 const char *rest = end_of_keysym + 1;
145 int keycode = strtol(rest, NULL, 0);
146
147 if (strstr(rest, "numlock")) {
148 add_to_key_range(&k->keypad_range, keycode);
149 add_to_key_range(&k->numlock_range, keysym);
150 /* fprintf(stderr, "keypad keysym %04x keycode %d\n",
151 keysym, keycode); */
152 }
153
154 if (strstr(rest, "shift")) {
155 keycode |= SCANCODE_SHIFT;
156 }
157 if (strstr(rest, "altgr")) {
158 keycode |= SCANCODE_ALTGR;
159 }
160 if (strstr(rest, "ctrl")) {
161 keycode |= SCANCODE_CTRL;
162 }
163
164 add_keysym(line, keysym, keycode, k);
165
166 if (strstr(rest, "addupper")) {
167 char *c;
168 for (c = line; *c; c++) {
169 *c = qemu_toupper(*c);
170 }
171 keysym = get_keysym(table, line);
172 if (keysym) {
173 add_keysym(line, keysym,
174 keycode | SCANCODE_SHIFT, k);
175 }
176 }
177 }
178 }
179 }
180 }
181 fclose(f);
182 return k;
183 }
184
185
186 void *init_keyboard_layout(const name2keysym_t *table, const char *language)
187 {
188 return parse_keyboard_layout(table, language, NULL);
189 }
190
191
192 int keysym2scancode(void *kbd_layout, int keysym)
193 {
194 kbd_layout_t *k = kbd_layout;
195 if (keysym < MAX_NORMAL_KEYCODE) {
196 if (k->keysym2keycode[keysym] == 0) {
197 fprintf(stderr, "Warning: no scancode found for keysym %d\n",
198 keysym);
199 }
200 return k->keysym2keycode[keysym];
201 } else {
202 int i;
203 #ifdef XK_ISO_Left_Tab
204 if (keysym == XK_ISO_Left_Tab) {
205 keysym = XK_Tab;
206 }
207 #endif
208 for (i = 0; i < k->extra_count; i++) {
209 if (k->keysym2keycode_extra[i].keysym == keysym) {
210 return k->keysym2keycode_extra[i].keycode;
211 }
212 }
213 }
214 return 0;
215 }
216
217 int keycode_is_keypad(void *kbd_layout, int keycode)
218 {
219 kbd_layout_t *k = kbd_layout;
220 struct key_range *kr;
221
222 for (kr = k->keypad_range; kr; kr = kr->next) {
223 if (keycode >= kr->start && keycode <= kr->end) {
224 return 1;
225 }
226 }
227 return 0;
228 }
229
230 int keysym_is_numlock(void *kbd_layout, int keysym)
231 {
232 kbd_layout_t *k = kbd_layout;
233 struct key_range *kr;
234
235 for (kr = k->numlock_range; kr; kr = kr->next) {
236 if (keysym >= kr->start && keysym <= kr->end) {
237 return 1;
238 }
239 }
240 return 0;
241 }