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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2004-12-12 16:56:30 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2004-12-12 16:56:30 +0000
commit3d11d0eb33f0474f8299c2373f3a91bb416b81c6 (patch)
tree440a0688fa59bad1dbff32f8e83fed78195df457 /keymaps.c
parent7b91a17212a0a16dd56a8731c345ecf29c366855 (diff)
keymaps support (initial patch by Johannes Schindelin)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1173 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'keymaps.c')
-rw-r--r--keymaps.c143
1 files changed, 143 insertions, 0 deletions
diff --git a/keymaps.c b/keymaps.c
new file mode 100644
index 0000000000..c3de8d7649
--- /dev/null
+++ b/keymaps.c
@@ -0,0 +1,143 @@
+/*
+ * QEMU keysym to keycode conversion using rdesktop keymaps
+ *
+ * Copyright (c) 2004 Johannes Schindelin
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+static int get_keysym(const char *name)
+{
+ name2keysym_t *p;
+ for(p = name2keysym; p->name != NULL; p++) {
+ if (!strcmp(p->name, name))
+ return p->keysym;
+ }
+ return 0;
+}
+
+#define MAX_NORMAL_KEYCODE 512
+#define MAX_EXTRA_COUNT 256
+typedef struct {
+ uint16_t keysym2keycode[MAX_NORMAL_KEYCODE];
+ struct {
+ int keysym;
+ uint16_t keycode;
+ } keysym2keycode_extra[MAX_EXTRA_COUNT];
+ int extra_count;
+} kbd_layout_t;
+
+static kbd_layout_t *parse_keyboard_layout(const char *language,
+ kbd_layout_t * k)
+{
+ FILE *f;
+ char file_name[1024];
+ char line[1024];
+ int len;
+
+ snprintf(file_name, sizeof(file_name),
+ "%s/keymaps/%s", bios_dir, language);
+
+ if (!k)
+ k = qemu_mallocz(sizeof(kbd_layout_t));
+ if (!k)
+ return 0;
+ if (!(f = fopen(file_name, "r"))) {
+ fprintf(stderr,
+ "Could not read keymap file: '%s'\n", file_name);
+ return 0;
+ }
+ for(;;) {
+ if (fgets(line, 1024, f) == NULL)
+ break;
+ len = strlen(line);
+ if (len > 0 && line[len - 1] == '\n')
+ line[len - 1] = '\0';
+ if (line[0] == '#')
+ continue;
+ if (!strncmp(line, "map ", 4))
+ continue;
+ if (!strncmp(line, "include ", 8)) {
+ parse_keyboard_layout(line + 8, k);
+ } else {
+ char *end_of_keysym = line;
+ while (*end_of_keysym != 0 && *end_of_keysym != ' ')
+ end_of_keysym++;
+ if (*end_of_keysym) {
+ int keysym;
+ *end_of_keysym = 0;
+ keysym = get_keysym(line);
+ if (keysym == 0) {
+ // fprintf(stderr, "Warning: unknown keysym %s\n", line);
+ } else {
+ const char *rest = end_of_keysym + 1;
+ int keycode = strtol(rest, NULL, 0);
+ /* if(keycode&0x80)
+ keycode=(keycode<<8)^0x80e0; */
+ if (keysym < MAX_NORMAL_KEYCODE) {
+ //fprintf(stderr,"Setting keysym %s (%d) to %d\n",line,keysym,keycode);
+ k->keysym2keycode[keysym] = keycode;
+ } else {
+ if (k->extra_count >= MAX_EXTRA_COUNT) {
+ fprintf(stderr,
+ "Warning: Could not assign keysym %s (0x%x) because of memory constraints.\n",
+ line, keysym);
+ } else {
+ fprintf(stderr, "Setting %d: %d,%d\n",
+ k->extra_count, keysym, keycode);
+ k->keysym2keycode_extra[k->extra_count].
+ keysym = keysym;
+ k->keysym2keycode_extra[k->extra_count].
+ keycode = keycode;
+ k->extra_count++;
+ }
+ }
+ }
+ }
+ }
+ }
+ fclose(f);
+ return k;
+}
+
+static void *init_keyboard_layout(const char *language)
+{
+ return parse_keyboard_layout(language, 0);
+}
+
+static int keysym2scancode(void *kbd_layout, int keysym)
+{
+ kbd_layout_t *k = kbd_layout;
+ if (keysym < MAX_NORMAL_KEYCODE) {
+ if (k->keysym2keycode[keysym] == 0)
+ fprintf(stderr, "Warning: no scancode found for keysym %d\n",
+ keysym);
+ return k->keysym2keycode[keysym];
+ } else {
+ int i;
+#ifdef XK_ISO_Left_Tab
+ if (keysym == XK_ISO_Left_Tab)
+ keysym = XK_Tab;
+#endif
+ for (i = 0; i < k->extra_count; i++)
+ if (k->keysym2keycode_extra[i].keysym == keysym)
+ return k->keysym2keycode_extra[i].keycode;
+ }
+ return 0;
+}