Initial import of qemu-2.4.1HEADmaster

1 files changed, 240 insertions, 0 deletions

diff --git a/ui/keymaps.c b/ui/keymaps.c
new file mode 100644
index 00000000..49410ae9
--- /dev/null
+++ b/ui/keymaps.c
@@ -0,0 +1,240 @@
+/*
+ * 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/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;
+        }
+    }
+    if (name[0] == 'U' && strlen(name) == 5) { /* try unicode Uxxxx */
+        char *end;
+        int ret = (int)strtoul(name + 1, &end, 16);
+        if (*end == '\0' && ret > 0) {
+            return ret;
+        }
+    }
+    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 = g_malloc0(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);
+    f = filename ? fopen(filename, "r") : NULL;
+    g_free(filename);
+    if (!f) {
+        fprintf(stderr, "Could not read keymap file: '%s'\n", language);
+        return NULL;
+    }
+
+    if (!k) {
+        k = g_malloc0(sizeof(kbd_layout_t));
+    }
+
+    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;
+                    int keycode = strtol(rest, NULL, 0);
+
+                    if (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 (strstr(rest, "shift")) {
+                        keycode |= SCANCODE_SHIFT;
+                    }
+                    if (strstr(rest, "altgr")) {
+                        keycode |= SCANCODE_ALTGR;
+                    }
+                    if (strstr(rest, "ctrl")) {
+                        keycode |= SCANCODE_CTRL;
+                    }
+
+                    add_keysym(line, keysym, keycode, k);
+
+                    if (strstr(rest, "addupper")) {
+                        char *c;
+                        for (c = line; *c; c++) {
+                            *c = qemu_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;
+}