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/*
* 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 "qemu/osdep.h"
#include "keymaps.h"
#include "sysemu/sysemu.h"
#include "trace.h"
#include "qemu/error-report.h"
struct keysym2code {
uint16_t keycode;
};
struct kbd_layout_t {
GHashTable *hash;
};
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_keysym(char *line, int keysym, int keycode, kbd_layout_t *k)
{
struct keysym2code *keysym2code;
keysym2code = g_hash_table_lookup(k->hash, GINT_TO_POINTER(keysym));
if (keysym2code) {
return;
}
keysym2code = g_new0(struct keysym2code, 1);
keysym2code->keycode = keycode;
g_hash_table_replace(k->hash, GINT_TO_POINTER(keysym), keysym2code);
trace_keymap_add(keysym, keycode, line);
}
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];
char keyname[64];
int len;
filename = qemu_find_file(QEMU_FILE_TYPE_KEYMAP, language);
trace_keymap_parse(filename);
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_new0(kbd_layout_t, 1);
k->hash = g_hash_table_new(NULL, NULL);
}
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 {
int offset = 0;
while (line[offset] != 0 &&
line[offset] != ' ' &&
offset < sizeof(keyname) - 1) {
keyname[offset] = line[offset];
offset++;
}
keyname[offset] = 0;
if (strlen(keyname)) {
int keysym;
keysym = get_keysym(table, keyname);
if (keysym == 0) {
/* warn_report("unknown keysym %s", line);*/
} else {
const char *rest = line + offset + 1;
int keycode = strtol(rest, NULL, 0);
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 = keyname; *c; c++) {
*c = qemu_toupper(*c);
}
keysym = get_keysym(table, keyname);
if (keysym) {
add_keysym(line, keysym,
keycode | SCANCODE_SHIFT, k);
}
}
}
}
}
}
fclose(f);
return k;
}
kbd_layout_t *init_keyboard_layout(const name2keysym_t *table,
const char *language)
{
return parse_keyboard_layout(table, language, NULL);
}
int keysym2scancode(kbd_layout_t *k, int keysym)
{
struct keysym2code *keysym2code;
#ifdef XK_ISO_Left_Tab
if (keysym == XK_ISO_Left_Tab) {
keysym = XK_Tab;
}
#endif
keysym2code = g_hash_table_lookup(k->hash, GINT_TO_POINTER(keysym));
if (!keysym2code) {
trace_keymap_unmapped(keysym);
warn_report("no scancode found for keysym %d", keysym);
return 0;
}
return keysym2code->keycode;
}
int keycode_is_keypad(kbd_layout_t *k, int keycode)
{
if (keycode >= 0x47 && keycode <= 0x53) {
return true;
}
return false;
}
int keysym_is_numlock(kbd_layout_t *k, int keysym)
{
switch (keysym) {
case 0xffb0 ... 0xffb9: /* KP_0 .. KP_9 */
case 0xffac: /* KP_Separator */
case 0xffae: /* KP_Decimal */
return true;
}
return false;
}
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