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-rw-r--r--ui/keymaps.c210
1 files changed, 210 insertions, 0 deletions
diff --git a/ui/keymaps.c b/ui/keymaps.c
new file mode 100644
index 0000000000..78c7ea375c
--- /dev/null
+++ b/ui/keymaps.c
@@ -0,0 +1,210 @@
+/*
+ * 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.
+ */
+
+#include "keymaps.h"
+#include "sysemu.h"
+
+static int get_keysym(const name2keysym_t *table,
+ const char *name)
+{
+ const name2keysym_t *p;
+ for(p = table; p->name != NULL; p++) {
+ if (!strcmp(p->name, name))
+ return p->keysym;
+ }
+ return 0;
+}
+
+
+static void add_to_key_range(struct key_range **krp, int code) {
+ struct key_range *kr;
+ for (kr = *krp; kr; kr = kr->next) {
+ if (code >= kr->start && code <= kr->end)
+ break;
+ if (code == kr->start - 1) {
+ kr->start--;
+ break;
+ }
+ if (code == kr->end + 1) {
+ kr->end++;
+ break;
+ }
+ }
+ if (kr == NULL) {
+ kr = qemu_mallocz(sizeof(*kr));
+ kr->start = kr->end = code;
+ kr->next = *krp;
+ *krp = kr;
+ }
+}
+
+static void add_keysym(char *line, int keysym, int keycode, kbd_layout_t *k) {
+ 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 {
+#if 0
+ fprintf(stderr, "Setting %d: %d,%d\n",
+ k->extra_count, keysym, keycode);
+#endif
+ k->keysym2keycode_extra[k->extra_count].
+ keysym = keysym;
+ k->keysym2keycode_extra[k->extra_count].
+ keycode = keycode;
+ k->extra_count++;
+ }
+ }
+}
+
+static kbd_layout_t *parse_keyboard_layout(const name2keysym_t *table,
+ const char *language,
+ kbd_layout_t * k)
+{
+ FILE *f;
+ char * filename;
+ char line[1024];
+ int len;
+
+ filename = qemu_find_file(QEMU_FILE_TYPE_KEYMAP, language);
+
+ if (!k)
+ k = qemu_mallocz(sizeof(kbd_layout_t));
+ if (!(filename && (f = fopen(filename, "r")))) {
+ fprintf(stderr,
+ "Could not read keymap file: '%s'\n", language);
+ return NULL;
+ }
+ qemu_free(filename);
+ 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(table, 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(table, line);
+ if (keysym == 0) {
+ // fprintf(stderr, "Warning: unknown keysym %s\n", line);
+ } else {
+ const char *rest = end_of_keysym + 1;
+ char *rest2;
+ int keycode = strtol(rest, &rest2, 0);
+
+ if (rest && strstr(rest, "numlock")) {
+ add_to_key_range(&k->keypad_range, keycode);
+ add_to_key_range(&k->numlock_range, keysym);
+ //fprintf(stderr, "keypad keysym %04x keycode %d\n", keysym, keycode);
+ }
+
+ if (rest && strstr(rest, "shift"))
+ keycode |= SCANCODE_SHIFT;
+ if (rest && strstr(rest, "altgr"))
+ keycode |= SCANCODE_ALTGR;
+ if (rest && strstr(rest, "ctrl"))
+ keycode |= SCANCODE_CTRL;
+
+ add_keysym(line, keysym, keycode, k);
+
+ if (rest && strstr(rest, "addupper")) {
+ char *c;
+ for (c = line; *c; c++)
+ *c = toupper(*c);
+ keysym = get_keysym(table, line);
+ if (keysym)
+ add_keysym(line, keysym, keycode | SCANCODE_SHIFT, k);
+ }
+ }
+ }
+ }
+ }
+ fclose(f);
+ return k;
+}
+
+
+void *init_keyboard_layout(const name2keysym_t *table, const char *language)
+{
+ return parse_keyboard_layout(table, language, NULL);
+}
+
+
+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;
+}
+
+int keycode_is_keypad(void *kbd_layout, int keycode)
+{
+ kbd_layout_t *k = kbd_layout;
+ struct key_range *kr;
+
+ for (kr = k->keypad_range; kr; kr = kr->next)
+ if (keycode >= kr->start && keycode <= kr->end)
+ return 1;
+ return 0;
+}
+
+int keysym_is_numlock(void *kbd_layout, int keysym)
+{
+ kbd_layout_t *k = kbd_layout;
+ struct key_range *kr;
+
+ for (kr = k->numlock_range; kr; kr = kr->next)
+ if (keysym >= kr->start && keysym <= kr->end)
+ return 1;
+ return 0;
+}