/*
* _clutter_event_new_from_evdev: Create a new Clutter ClutterKeyEvent
* @device: a ClutterInputDevice
* @stage: the stage the event should be delivered to
* @xkb: XKB rules to translate the event
* @_time: timestamp of the event
* @key: a key code coming from a Linux input device
* @state: TRUE if a press event, FALSE if a release event
* @modifer_state: in/out
*
* Translate @key to a #ClutterKeyEvent using rules from xbbcommon.
*
* Return value: the new #ClutterEvent
*/
ClutterEvent *
_clutter_key_event_new_from_evdev (ClutterInputDevice *device,
ClutterInputDevice *core_device,
ClutterStage *stage,
struct xkb_state *xkb_state,
uint32_t button_state,
uint32_t _time,
xkb_keycode_t key,
uint32_t state)
{
ClutterEvent *event;
xkb_keysym_t sym;
const xkb_keysym_t *syms;
char buffer[8];
int n;
if (state)
event = clutter_event_new (CLUTTER_KEY_PRESS);
else
event = clutter_event_new (CLUTTER_KEY_RELEASE);
/* We use a fixed offset of 8 because evdev starts KEY_* numbering from
* 0, whereas X11's minimum keycode, for really stupid reasons, is 8.
* So the evdev XKB rules are based on the keycodes all being shifted
* upwards by 8. */
key += 8;
n = xkb_key_get_syms (xkb_state, key, &syms);
if (n == 1)
sym = syms[0];
else
sym = XKB_KEY_NoSymbol;
event->key.device = core_device;
event->key.stage = stage;
event->key.time = _time;
_clutter_xkb_translate_state (event, xkb_state, button_state);
event->key.hardware_keycode = key;
event->key.keyval = sym;
clutter_event_set_source_device (event, device);
n = xkb_keysym_to_utf8 (sym, buffer, sizeof (buffer));
if (n == 0)
{
/* not printable */
event->key.unicode_value = (gunichar) '\0';
}
else
{
event->key.unicode_value = g_utf8_get_char_validated (buffer, n);
if (event->key.unicode_value == -1 || event->key.unicode_value == -2)
event->key.unicode_value = (gunichar) '\0';
}
return event;
}
static int
test_utf8(xkb_keysym_t keysym, const char *expected)
{
char s[8];
int ret;
ret = xkb_keysym_to_utf8(keysym, s, sizeof(s));
if (ret <= 0)
return ret;
fprintf(stderr, "Expected keysym %#x -> %s (%u bytes)\n", keysym, expected,
(unsigned) strlen(expected));
fprintf(stderr, "Received keysym %#x -> %s (%u bytes)\n\n", keysym, s,
(unsigned) strlen(s));
return streq(s, expected);
}
ushort TableGenerator::keysymToUtf8(quint32 sym)
{
QByteArray chars;
int bytes;
chars.resize(8);
bytes = xkb_keysym_to_utf8(sym, chars.data(), chars.size());
if (bytes == -1)
qWarning("TableGenerator::keysymToUtf8 - buffer too small");
chars.resize(bytes-1);
#ifdef DEBUG_GENERATOR
QTextCodec *codec = QTextCodec::codecForLocale();
qDebug() << QString("keysym - 0x%1 : utf8 - %2").arg(QString::number(sym, 16))
.arg(codec->toUnicode(chars));
#endif
return QString::fromUtf8(chars).at(0).unicode();
}
void QMirClientInput::dispatchKeyEvent(QMirClientWindow *window, const MirInputEvent *event)
{
const MirKeyboardEvent *key_event = mir_input_event_get_keyboard_event(event);
ulong timestamp = mir_input_event_get_event_time(event) / 1000000;
xkb_keysym_t xk_sym = mir_keyboard_event_key_code(key_event);
quint32 scan_code = mir_keyboard_event_scan_code(key_event);
quint32 native_modifiers = mir_keyboard_event_modifiers(key_event);
// Key modifier and unicode index mapping.
auto modifiers = qt_modifiers_from_mir(native_modifiers);
MirKeyboardAction action = mir_keyboard_event_action(key_event);
QEvent::Type keyType = action == mir_keyboard_action_up
? QEvent::KeyRelease : QEvent::KeyPress;
if (action == mir_keyboard_action_down)
mLastInputWindow = window;
QString text;
QVarLengthArray<char, 32> chars(32);
{
int result = xkb_keysym_to_utf8(xk_sym, chars.data(), chars.size());
if (result > 0) {
text = QString::fromUtf8(chars.constData());
}
}
int sym = translateKeysym(xk_sym, text);
bool is_auto_rep = action == mir_keyboard_action_repeat;
QPlatformInputContext *context = QGuiApplicationPrivate::platformIntegration()->inputContext();
if (context) {
QKeyEvent qKeyEvent(keyType, sym, modifiers, scan_code, xk_sym, native_modifiers, text, is_auto_rep);
qKeyEvent.setTimestamp(timestamp);
if (context->filterEvent(&qKeyEvent)) {
qCDebug(mirclient, "key event filtered out by input context");
return;
}
}
QWindowSystemInterface::handleExtendedKeyEvent(window->window(), timestamp, keyType, sym, modifiers, scan_code, xk_sym, native_modifiers, text, is_auto_rep);
}
static int
gram_keysym_print (SCM keysym_smob, SCM port, scm_print_state * pstate)
{
struct gram_keysym *keysym =
(struct gram_keysym *) SCM_SMOB_DATA (keysym_smob);
scm_puts ("#<keysym ", port);
if (keysym->mods.mods & WLC_BIT_MOD_LOGO)
{
scm_puts ("S-", port);
}
if (keysym->mods.mods & WLC_BIT_MOD_CTRL)
{
scm_puts ("C-", port);
}
if (keysym->mods.mods & WLC_BIT_MOD_ALT)
{
scm_puts ("M-", port);
}
if(keysym->mouse) {
scm_puts ("Mouse", port);
scm_putc(keysym->mouse_button + '0', port);
} else {
char buf[64];
xkb_keysym_to_utf8 (keysym->sym, buf, 64);
if (buf[0] > 0 && buf[0] <= 0x7F)
{
xkb_keysym_get_name (keysym->sym, buf, 64);
}
SCM name = scm_from_utf8_string (buf);
scm_display (name, port);
}
scm_puts (">", port);
return 1;
}
/*
* Handle key presses. Fixes state, then looks up the key symbol for the
* given keycode, then looks up the key symbol (as UCS-2), converts it to
* UTF-8 and stores it in the password array.
*
*/
static void handle_key_press(xcb_key_press_event_t *event) {
xkb_keysym_t ksym;
char buffer[128];
int n;
bool ctrl;
bool composed = false;
ksym = xkb_state_key_get_one_sym(xkb_state, event->detail);
ctrl = xkb_state_mod_name_is_active(xkb_state, XKB_MOD_NAME_CTRL, XKB_STATE_MODS_DEPRESSED);
/* The buffer will be null-terminated, so n >= 2 for 1 actual character. */
memset(buffer, '\0', sizeof(buffer));
if (xkb_compose_state && xkb_compose_state_feed(xkb_compose_state, ksym) == XKB_COMPOSE_FEED_ACCEPTED) {
switch (xkb_compose_state_get_status(xkb_compose_state)) {
case XKB_COMPOSE_NOTHING:
break;
case XKB_COMPOSE_COMPOSING:
return;
case XKB_COMPOSE_COMPOSED:
/* xkb_compose_state_get_utf8 doesn't include the terminating byte in the return value
* as xkb_keysym_to_utf8 does. Adding one makes the variable n consistent. */
n = xkb_compose_state_get_utf8(xkb_compose_state, buffer, sizeof(buffer)) + 1;
ksym = xkb_compose_state_get_one_sym(xkb_compose_state);
composed = true;
break;
case XKB_COMPOSE_CANCELLED:
xkb_compose_state_reset(xkb_compose_state);
return;
}
}
if (!composed) {
n = xkb_keysym_to_utf8(ksym, buffer, sizeof(buffer));
}
switch (ksym) {
case XKB_KEY_Return:
case XKB_KEY_KP_Enter:
case XKB_KEY_XF86ScreenSaver:
if (pam_state == STATE_PAM_WRONG)
return;
if (skip_without_validation()) {
clear_input();
return;
}
password[input_position] = '\0';
unlock_state = STATE_KEY_PRESSED;
redraw_screen();
input_done();
skip_repeated_empty_password = true;
return;
default:
skip_repeated_empty_password = false;
}
switch (ksym) {
case XKB_KEY_u:
if (ctrl) {
DEBUG("C-u pressed\n");
clear_input();
return;
}
break;
case XKB_KEY_Escape:
clear_input();
return;
case XKB_KEY_BackSpace:
if (input_position == 0)
return;
/* decrement input_position to point to the previous glyph */
u8_dec(password, &input_position);
password[input_position] = '\0';
/* Hide the unlock indicator after a bit if the password buffer is
* empty. */
START_TIMER(clear_indicator_timeout, 1.0, clear_indicator_cb);
unlock_state = STATE_BACKSPACE_ACTIVE;
redraw_screen();
unlock_state = STATE_KEY_PRESSED;
return;
}
if ((input_position + 8) >= sizeof(password))
return;
#if 0
/* FIXME: handle all of these? */
printf("is_keypad_key = %d\n", xcb_is_keypad_key(sym));
printf("is_private_keypad_key = %d\n", xcb_is_private_keypad_key(sym));
printf("xcb_is_cursor_key = %d\n", xcb_is_cursor_key(sym));
printf("xcb_is_pf_key = %d\n", xcb_is_pf_key(sym));
printf("xcb_is_function_key = %d\n", xcb_is_function_key(sym));
printf("xcb_is_misc_function_key = %d\n", xcb_is_misc_function_key(sym));
printf("xcb_is_modifier_key = %d\n", xcb_is_modifier_key(sym));
#endif
if (n < 2)
return;
/* store it in the password array as UTF-8 */
memcpy(password + input_position, buffer, n - 1);
input_position += n - 1;
DEBUG("current password = %.*s\n", input_position, password);
if (unlock_indicator) {
unlock_state = STATE_KEY_ACTIVE;
redraw_screen();
unlock_state = STATE_KEY_PRESSED;
struct ev_timer *timeout = NULL;
START_TIMER(timeout, TSTAMP_N_SECS(0.25), redraw_timeout);
STOP_TIMER(clear_indicator_timeout);
}
START_TIMER(discard_passwd_timeout, TSTAMP_N_MINS(3), discard_passwd_cb);
}
static void
simple_im_key_handler(struct simple_im *keyboard,
uint32_t serial, uint32_t time, uint32_t key, uint32_t sym,
enum wl_keyboard_key_state state)
{
struct input_method_context *context = keyboard->context;
char text[64];
if (sym == XKB_KEY_Multi_key &&
state == WL_KEYBOARD_KEY_STATE_RELEASED &&
keyboard->compose_state == state_normal) {
keyboard->compose_state = state_compose;
memset(&keyboard->compose_seq, 0, sizeof(struct compose_seq));
return;
}
if (keyboard->compose_state == state_compose) {
uint32_t i = 0;
struct compose_seq *cs;
if (state == WL_KEYBOARD_KEY_STATE_PRESSED)
return;
for (i = 0; i < sizeof(ignore_keys_on_compose) / sizeof(ignore_keys_on_compose[0]); i++) {
if (sym == ignore_keys_on_compose[i]) {
input_method_context_key(context, serial, time, key, state);
return;
}
}
for (i = 0; keyboard->compose_seq.keys[i] != 0; i++);
keyboard->compose_seq.keys[i] = sym;
cs = bsearch (&keyboard->compose_seq, compose_seqs,
sizeof(compose_seqs) / sizeof(compose_seqs[0]),
sizeof(compose_seqs[0]), compare_compose_keys);
if (cs) {
if (cs->keys[i + 1] == 0) {
input_method_context_preedit_cursor(keyboard->context,
keyboard->serial,
0);
input_method_context_preedit_string(keyboard->context,
keyboard->serial,
"", "");
input_method_context_cursor_position(keyboard->context,
keyboard->serial,
0, 0);
input_method_context_commit_string(keyboard->context,
keyboard->serial,
cs->text);
keyboard->compose_state = state_normal;
} else {
uint32_t j = 0, idx = 0;
for (; j <= i; j++) {
idx += xkb_keysym_to_utf8(cs->keys[j], text + idx, sizeof(text) - idx);
}
input_method_context_preedit_cursor(keyboard->context,
keyboard->serial,
strlen(text));
input_method_context_preedit_string(keyboard->context,
keyboard->serial,
text,
text);
}
} else {
uint32_t j = 0, idx = 0;
for (; j <= i; j++) {
idx += xkb_keysym_to_utf8(keyboard->compose_seq.keys[j], text + idx, sizeof(text) - idx);
}
input_method_context_preedit_cursor(keyboard->context,
keyboard->serial,
0);
input_method_context_preedit_string(keyboard->context,
keyboard->serial,
"", "");
input_method_context_cursor_position(keyboard->context,
keyboard->serial,
0, 0);
input_method_context_commit_string(keyboard->context,
keyboard->serial,
text);
keyboard->compose_state = state_normal;
}
return;
}
if (xkb_keysym_to_utf8(sym, text, sizeof(text)) <= 0) {
input_method_context_key(context, serial, time, key, state);
return;
}
if (state == WL_KEYBOARD_KEY_STATE_PRESSED)
return;
input_method_context_cursor_position(keyboard->context,
keyboard->serial,
0, 0);
input_method_context_commit_string(keyboard->context,
keyboard->serial,
text);
}
static void
key_handler(struct window *window,
struct input *input, uint32_t time,
uint32_t key, uint32_t sym, enum wl_keyboard_key_state state,
void *data)
{
struct editor *editor = data;
struct text_entry *entry;
const char *new_char;
char text[16];
if (!editor->active_entry)
return;
entry = editor->active_entry;
if (state != WL_KEYBOARD_KEY_STATE_PRESSED)
return;
switch (sym) {
case XKB_KEY_BackSpace:
text_entry_commit_and_reset(entry);
new_char = utf8_prev_char(entry->text, entry->text + entry->cursor);
if (new_char != NULL)
text_entry_delete_text(entry,
new_char - entry->text,
(entry->text + entry->cursor) - new_char);
break;
case XKB_KEY_Delete:
text_entry_commit_and_reset(entry);
new_char = utf8_next_char(entry->text + entry->cursor);
if (new_char != NULL)
text_entry_delete_text(entry,
entry->cursor,
new_char - (entry->text + entry->cursor));
break;
case XKB_KEY_Left:
text_entry_commit_and_reset(entry);
new_char = utf8_prev_char(entry->text, entry->text + entry->cursor);
if (new_char != NULL) {
entry->cursor = new_char - entry->text;
entry->anchor = entry->cursor;
widget_schedule_redraw(entry->widget);
}
break;
case XKB_KEY_Right:
text_entry_commit_and_reset(entry);
new_char = utf8_next_char(entry->text + entry->cursor);
if (new_char != NULL) {
entry->cursor = new_char - entry->text;
entry->anchor = entry->cursor;
widget_schedule_redraw(entry->widget);
}
break;
default:
if (xkb_keysym_to_utf8(sym, text, sizeof(text)) <= 0)
break;
text_entry_commit_and_reset(entry);
text_entry_insert_at_cursor(entry, text, 0, 0);
break;
}
widget_schedule_redraw(entry->widget);
}
void fill_keycodes() {
struct xkb_keymap *keymap;
struct xkb_context *context;
const struct xkb_rule_names rules={
.rules=xkb_names[0],
.model=xkb_names[1],
.layout=xkb_names[2],
.variant=xkb_names[3],
.options=xkb_names[4]
};
struct xkb_state *state;
enum xkb_state_component current_state;
int counter;
int i,j,k;
char mods[256];
char keysym_asc[256];
char file_path[256];
char command[15];
uint32_t max_keys;
int w,h,retval;
int jumpto;
context=xkb_context_new(0);
keymap=xkb_keymap_new_from_names(context,&rules,0);
state=NULL;
// Get all the modifier keys
for(i=8;i<256;i++) {
state=xkb_state_new(keymap);
current_state=xkb_state_update_key(state, i,XKB_KEY_DOWN);
if (current_state!=0) {
mods[i]=1;
} else {
mods[i]=0;
}
xkb_state_unref(state);
}
mods[7]=1; // fake mod, used for "no mod"
// Read the keyboard definition files
sprintf(file_path,"%s/%s.keymap",BASE_CONFIG_DIR,lang_onscreen);
FILE *keyboard_file=fopen(file_path,"r");
if (keyboard_file==NULL) {
printf("Can't open keyboard definition file %s. Trying with US file\n",file_path);
sprintf(file_path,"%s/us.keymap",BASE_CONFIG_DIR);
keyboard_file=fopen(file_path,"r");
if (keyboard_file==NULL) {
printf("Also failed to open the US keymap file. Aborting.\n");
exit(-1);
}
}
retval=fscanf(keyboard_file,"%s %d",command,&keyboard_blocks);
if (retval!=2) {
printf("Can't read the number of blocks\n");
} else {
max_keys=keyboard_blocks*4*KEYS_PER_ROW;
keyboard_lowercase=(struct key_element *)malloc(max_keys*sizeof(struct key_element));
memset(keyboard_lowercase,0,max_keys*sizeof(struct key_element));
for(counter=0;(!feof(keyboard_file))&&(counter<max_keys);counter++) {
retval=fscanf(keyboard_file,"%s %d %d",command,&w,&h);
if(retval!=3) {
break;
}
keyboard_lowercase[counter].size=KEYS_FONT_SIZE;
keyboard_lowercase[counter].g_element[0]=0;
keyboard_lowercase[counter].w=w;
keyboard_lowercase[counter].h=h;
keyboard_lowercase[counter].keycode=0;
keyboard_lowercase[counter].modifier=0;
if (!strcmp(command,"BLANK")) {
keyboard_lowercase[counter].type=KEY_BLANK;
keyboard_lowercase[counter].keysym=0;
} else if (!strcmp(command,"KEY")) {
keyboard_lowercase[counter].type=KEY_PH;
retval=fscanf(keyboard_file,"%s",keyboard_lowercase[counter].g_element);
keyboard_lowercase[counter].keysym=init_utf8_to_keysym(keyboard_lowercase[counter].g_element);
if (keyboard_lowercase[counter].keysym==0) {
keyboard_lowercase[counter].type=KEY_BLANK;
}
} else if ((!strcmp(command,"KEYSYM"))||(!strcmp(command,"KEYSYMTEXT"))) {
keyboard_lowercase[counter].type=KEY_PH;
retval=fscanf(keyboard_file,"%s",keysym_asc);
keyboard_lowercase[counter].keysym=xkb_keysym_from_name(keysym_asc,0);
if (keyboard_lowercase[counter].keysym==0) {
printf("Unknown keysym %s\n",keysym_asc);
keyboard_lowercase[counter].type=KEY_BLANK;
} else {
if (!strcmp(command,"KEYSYMTEXT")) {
retval=fscanf(keyboard_file,"%s",keyboard_lowercase[counter].g_element);
keyboard_lowercase[counter].size=KEYS_TEXT_FONT_SIZE;
} else {
retval=xkb_keysym_to_utf8(keyboard_lowercase[counter].keysym,keyboard_lowercase[counter].g_element,7);
if (retval==-1) {
retval++;
}
keyboard_lowercase[counter].g_element[retval]=0;// terminate string
}
}
} else if (!strcmp(command,"TAB")) {
keyboard_lowercase[counter].type=KEY_TAB;
keyboard_lowercase[counter].keysym=XK_Tab;
} else if (!strcmp(command,"SPACE")) {
keyboard_lowercase[counter].type=KEY_SPACE;
keyboard_lowercase[counter].keysym=XK_space;
} else if (!strcmp(command,"RETURN")) {
keyboard_lowercase[counter].type=KEY_RETURN;
keyboard_lowercase[counter].keysym=XK_Return;
} else if (!strcmp(command,"DELETE")) {
keyboard_lowercase[counter].type=KEY_DELETE;
keyboard_lowercase[counter].keysym=XK_BackSpace;
} else if (!strcmp(command,"JUMPTO")) {
retval=fscanf(keyboard_file,"%d %s",&jumpto,command);
keyboard_lowercase[counter].type=KEY_JUMPTO;
keyboard_lowercase[counter].keycode=jumpto;
keyboard_lowercase[counter].keysym=0;
if (!strcmp(command,"GEN")) {
keyboard_lowercase[counter].modifier=0;
} else if (!strcmp(command,"SHIFT")) {
keyboard_lowercase[counter].modifier=1;
} else if (!strcmp(command,"SYMBOLS")) {
keyboard_lowercase[counter].modifier=2;
} else if (!strcmp(command,"LETTERS")) {
keyboard_lowercase[counter].modifier=3;
}
if (jumpto>=keyboard_blocks) {
printf("Ilegal jump to block %d (max. is %d)\n",jumpto,keyboard_blocks);
keyboard_lowercase[counter].type=KEY_BLANK;
}
} else if (!strcmp(command,"UP")) {
keyboard_lowercase[counter].type=KEY_UP;
keyboard_lowercase[counter].keysym=XK_Up;
} else if (!strcmp(command,"DOWN")) {
keyboard_lowercase[counter].type=KEY_DOWN;
keyboard_lowercase[counter].keysym=XK_Down;
} else if (!strcmp(command,"LEFT")) {
keyboard_lowercase[counter].type=KEY_LEFT;
keyboard_lowercase[counter].keysym=XK_Left;
} else if (!strcmp(command,"RIGHT")) {
keyboard_lowercase[counter].type=KEY_RIGHT;
keyboard_lowercase[counter].keysym=XK_Right;
} else {
printf("Unknown command %s\n",command);
keyboard_lowercase[counter].type=KEY_BLANK;
keyboard_lowercase[counter].keysym=0;
}
}
xkb_keysym_t keysym;
xkb_keycode_t keycode_mod;
for(i=7;i<256;i++) { // do a loop on every modifier
if (!mods[i]) {
continue; // In this loop we test each modifier with each keycode
}
state=xkb_state_new(keymap);
if (i!=7) {
xkb_state_update_key(state, i,XKB_KEY_DOWN); // press the modifier key
keycode_mod=i;
} else {
keycode_mod=0;
}
for(j=8;j<256;j++) {
if (mods[j]) {
continue; // Don't test modifiers; we want "normal" keys
}
keysym=xkb_state_key_get_one_sym(state, j);
if (keysym==XKB_KEY_NoSymbol) {
continue;
}
for(k=0;k<counter;k++) { // and now we check each desired key with the keysymbol obtained
if ((keyboard_lowercase[k].keycode==0)&&(keyboard_lowercase[k].type!=KEY_BLANK)&&(keyboard_lowercase[k].keysym==keysym)) {
keyboard_lowercase[k].keycode=j;
keyboard_lowercase[k].modifier=keycode_mod;
}
}
}
xkb_state_unref(state);
}
/*for(k=0;k<counter;k++) { // and now we check each desired key with the keysymbol obtained
printf("Texto: %s, Keysym: %d, mod: %d\n",keyboard_lowercase[k].g_element,keyboard_lowercase[k].keycode,keyboard_lowercase[k].modifier);
}*/
// Now assign new keysyms to keycodes not used, to allow other keysyms not available in US keyboards
xcb_key_symbols_t *symbols;
symbols=xcb_key_symbols_alloc(conn);
xcb_flush(conn);
xcb_keycode_t keycode=8;
xcb_keycode_t keycode_found;
xcb_keysym_t keysyms[4];
xcb_keycode_t keycode_shift;
struct lower_upper_t {xcb_keysym_t upper_first;
xcb_keysym_t upper_last;
xcb_keysym_t lower_first;
xcb_keysym_t lower_last;
};
struct lower_upper_t lower_upper[] = {
{XKB_KEY_Agrave,XKB_KEY_Odiaeresis,XKB_KEY_agrave,XKB_KEY_odiaeresis},
{XKB_KEY_Oslash,XKB_KEY_THORN,XKB_KEY_oslash,XKB_KEY_thorn},
{0,0,0,0}
};
struct lower_upper_t *iter_lu;
keycode_shift=*xcb_key_symbols_get_keycode(symbols,XKB_KEY_Shift_L);
for(k=0;k<max_keys;k++) { // and now we check each desired key with the keysymbol obtained
if ((keyboard_lowercase[k].keycode==0)&&(keyboard_lowercase[k].type!=KEY_BLANK)&&(keyboard_lowercase[k].type!=KEY_JUMPTO)) {
// this key is not available in US keyboards; let's redefine a keycode for it
keycode_found=0;
while(keycode<256) {
if ((0==xcb_key_symbols_get_keysym(symbols,keycode,0))&&
(0==xcb_key_symbols_get_keysym(symbols,keycode,1))&&
(0==xcb_key_symbols_get_keysym(symbols,keycode,2))&&
(0==xcb_key_symbols_get_keysym(symbols,keycode,3))) {
keycode_found=keycode;
break;
}
keycode++;
}
if (keycode_found==0) {
printf("No more codes available\n");
break; // there are no more free keycodes available
}
keycode=keycode_found;
keysyms[0]=keyboard_lowercase[k].keysym;
keysyms[1]=0;
keysyms[2]=keyboard_lowercase[k].keysym;
keysyms[3]=0;
for(iter_lu=lower_upper;iter_lu->upper_first;iter_lu++) {
if ((keysyms[0]>=iter_lu->upper_first)&&(keysyms[0]<=iter_lu->upper_last)) { // it's an uppercase special character
keysyms[0]|=0x20; // first character as lowercase
break;
}
if ((keysyms[0]>=iter_lu->lower_first)&&(keysyms[0]<=iter_lu->lower_last)) { // it's a lowercase special character
keysyms[2]&=0xDF; // second character as uppercase
break;
}
}
xcb_change_keyboard_mapping(conn,1,keycode,4,keysyms); // insert the new keysym
for(j=k;j<max_keys;j++) { // set the keycode and the shift modifier, if needed, to all keys with that keysyms
if (keyboard_lowercase[j].keysym==keysyms[0]) {
keyboard_lowercase[j].keycode=keycode;
keyboard_lowercase[j].modifier=0;
continue;
}
if (keyboard_lowercase[j].keysym==keysyms[2]) {
keyboard_lowercase[j].keycode=keycode;
keyboard_lowercase[j].modifier=keycode_shift;
continue;
}
}
keycode++;
}
}
xcb_key_symbols_free(symbols);
}
fclose(keyboard_file);
keyboard_current_block=0;
xkb_keymap_unref(keymap);
xkb_context_unref(context);
}
/*
* Handle key presses. Fixes state, then looks up the key symbol for the
* given keycode, then looks up the key symbol (as UCS-2), converts it to
* UTF-8 and stores it in the password array.
*
*/
static void handle_key_press(xcb_key_press_event_t *event) {
xkb_keysym_t ksym;
char buffer[128];
int n;
bool ctrl;
ksym = xkb_state_key_get_one_sym(xkb_state, event->detail);
ctrl = xkb_state_mod_name_is_active(xkb_state, "Control", XKB_STATE_MODS_DEPRESSED);
xkb_state_update_key(xkb_state, event->detail, XKB_KEY_DOWN);
/* The buffer will be null-terminated, so n >= 2 for 1 actual character. */
memset(buffer, '\0', sizeof(buffer));
n = xkb_keysym_to_utf8(ksym, buffer, sizeof(buffer));
switch (ksym) {
case XKB_KEY_Return:
case XKB_KEY_KP_Enter:
case XKB_KEY_XF86ScreenSaver:
password[input_position] = '\0';
unlock_state = STATE_KEY_PRESSED;
redraw_screen();
input_done();
return;
case XKB_KEY_u:
if (ctrl) {
DEBUG("C-u pressed\n");
clear_input();
return;
}
break;
case XKB_KEY_Escape:
clear_input();
return;
case XKB_KEY_BackSpace:
if (input_position == 0)
return;
/* decrement input_position to point to the previous glyph */
u8_dec(password, &input_position);
password[input_position] = '\0';
/* Hide the unlock indicator after a bit if the password buffer is
* empty. */
start_clear_indicator_timeout();
unlock_state = STATE_BACKSPACE_ACTIVE;
redraw_screen();
unlock_state = STATE_KEY_PRESSED;
return;
}
if ((input_position + 8) >= sizeof(password))
return;
#if 0
/* FIXME: handle all of these? */
printf("is_keypad_key = %d\n", xcb_is_keypad_key(sym));
printf("is_private_keypad_key = %d\n", xcb_is_private_keypad_key(sym));
printf("xcb_is_cursor_key = %d\n", xcb_is_cursor_key(sym));
printf("xcb_is_pf_key = %d\n", xcb_is_pf_key(sym));
printf("xcb_is_function_key = %d\n", xcb_is_function_key(sym));
printf("xcb_is_misc_function_key = %d\n", xcb_is_misc_function_key(sym));
printf("xcb_is_modifier_key = %d\n", xcb_is_modifier_key(sym));
#endif
if (n < 2)
return;
/* store it in the password array as UTF-8 */
memcpy(password+input_position, buffer, n-1);
input_position += n-1;
DEBUG("current password = %.*s\n", input_position, password);
unlock_state = STATE_KEY_ACTIVE;
redraw_screen();
unlock_state = STATE_KEY_PRESSED;
struct ev_timer *timeout = calloc(sizeof(struct ev_timer), 1);
if (timeout) {
ev_timer_init(timeout, redraw_timeout, 0.25, 0.);
ev_timer_start(main_loop, timeout);
}
stop_clear_indicator_timeout();
}
/*
* Handle key presses. Fixes state, then looks up the key symbol for the
* given keycode, then looks up the key symbol (as UCS-2), converts it to
* UTF-8 and stores it in the password array.
*
*/
static void handle_key_press(xcb_key_press_event_t *event) {
xkb_keysym_t ksym;
char buffer[128];
int n;
bool ctrl;
ksym = xkb_state_key_get_one_sym(xkb_state, event->detail);
ctrl = xkb_state_mod_name_is_active(xkb_state, "Control", XKB_STATE_MODS_DEPRESSED);
/* The buffer will be null-terminated, so n >= 2 for 1 actual character. */
memset(buffer, '\0', sizeof(buffer));
n = xkb_keysym_to_utf8(ksym, buffer, sizeof(buffer));
switch (ksym) {
case XKB_KEY_Return:
case XKB_KEY_KP_Enter:
case XKB_KEY_XF86ScreenSaver:
if (skip_without_validation()) {
clear_input();
return;
}
password[input_position] = '\0';
unlock_state = STATE_KEY_PRESSED;
redraw_screen();
input_done();
skip_repeated_empty_password = true;
return;
default:
skip_repeated_empty_password = false;
}
switch (ksym) {
case XKB_KEY_u:
if (ctrl) {
DEBUG("C-u pressed\n");
clear_input();
return;
}
break;
case XKB_KEY_Escape:
clear_input();
return;
case XKB_KEY_BackSpace:
if (input_position == 0)
return;
/* decrement input_position to point to the previous glyph */
u8_dec(password, &input_position);
password[input_position] = '\0';
/* Hide the unlock indicator after a bit if the password buffer is
* empty. */
START_TIMER(clear_indicator_timeout, 1.0, clear_indicator_cb);
unlock_state = STATE_BACKSPACE_ACTIVE;
redraw_screen();
unlock_state = STATE_KEY_PRESSED;
return;
}
if ((input_position + 8) >= sizeof(password))
return;
#if 0
/* FIXME: handle all of these? */
printf("is_keypad_key = %d\n", xcb_is_keypad_key(sym));
printf("is_private_keypad_key = %d\n", xcb_is_private_keypad_key(sym));
printf("xcb_is_cursor_key = %d\n", xcb_is_cursor_key(sym));
printf("xcb_is_pf_key = %d\n", xcb_is_pf_key(sym));
printf("xcb_is_function_key = %d\n", xcb_is_function_key(sym));
printf("xcb_is_misc_function_key = %d\n", xcb_is_misc_function_key(sym));
printf("xcb_is_modifier_key = %d\n", xcb_is_modifier_key(sym));
#endif
if (n < 2)
return;
/* store it in the password array as UTF-8 */
memcpy(password+input_position, buffer, n-1);
input_position += n-1;
DEBUG("current password = %.*s\n", input_position, password);
unlock_state = STATE_KEY_ACTIVE;
redraw_screen();
unlock_state = STATE_KEY_PRESSED;
struct ev_timer *timeout = NULL;
START_TIMER(timeout, TSTAMP_N_SECS(0.25), redraw_timeout);
STOP_TIMER(clear_indicator_timeout);
START_TIMER(discard_passwd_timeout, TSTAMP_N_MINS(3), discard_passwd_cb);
}
/*
* This function will interpret a keyboard keysym, and call the
* possible callbacks accordingly.
*/
void fghKeyboardInterpretKeysym( SFG_Window* window,
uint32_t key,
xkb_keysym_t sym,
uint32_t state )
{
FGCBKeyboard keyboard_cb;
FGCBSpecial special_cb;
char string[16];
int special = -1;
/* GLUT API tells us to have two separate callbacks, one for
* the ASCII translateable keypresses, and one for all the
* others, which need to be translated to GLUT_KEY_Xs... */
if( state )
{
keyboard_cb = (FGCBKeyboard)( FETCH_WCB( *window, Keyboard ));
special_cb = (FGCBSpecial) ( FETCH_WCB( *window, Special ));
}
else
{
keyboard_cb = (FGCBKeyboard)( FETCH_WCB( *window, KeyboardUp ));
special_cb = (FGCBSpecial) ( FETCH_WCB( *window, SpecialUp ));
}
switch( sym )
{
case XKB_KEY_F1: special = GLUT_KEY_F1; break;
case XKB_KEY_F2: special = GLUT_KEY_F2; break;
case XKB_KEY_F3: special = GLUT_KEY_F3; break;
case XKB_KEY_F4: special = GLUT_KEY_F4; break;
case XKB_KEY_F5: special = GLUT_KEY_F5; break;
case XKB_KEY_F6: special = GLUT_KEY_F6; break;
case XKB_KEY_F7: special = GLUT_KEY_F7; break;
case XKB_KEY_F8: special = GLUT_KEY_F8; break;
case XKB_KEY_F9: special = GLUT_KEY_F9; break;
case XKB_KEY_F10: special = GLUT_KEY_F10; break;
case XKB_KEY_F11: special = GLUT_KEY_F11; break;
case XKB_KEY_F12: special = GLUT_KEY_F12; break;
case XKB_KEY_Left: special = GLUT_KEY_LEFT; break;
case XKB_KEY_Right: special = GLUT_KEY_RIGHT; break;
case XKB_KEY_Up: special = GLUT_KEY_UP; break;
case XKB_KEY_Down: special = GLUT_KEY_DOWN; break;
case XKB_KEY_Page_Up: special = GLUT_KEY_PAGE_UP; break;
case XKB_KEY_Page_Down: special = GLUT_KEY_PAGE_DOWN; break;
case XKB_KEY_Home: special = GLUT_KEY_HOME; break;
case XKB_KEY_End: special = GLUT_KEY_END; break;
case XKB_KEY_Insert: special = GLUT_KEY_INSERT; break;
case XKB_KEY_Num_Lock: special = GLUT_KEY_NUM_LOCK; break;
case XKB_KEY_Begin: special = GLUT_KEY_BEGIN; break;
case XKB_KEY_Delete: special = GLUT_KEY_DELETE; break;
case XKB_KEY_Shift_L: special = GLUT_KEY_SHIFT_L; break;
case XKB_KEY_Shift_R: special = GLUT_KEY_SHIFT_R; break;
case XKB_KEY_Control_L: special = GLUT_KEY_CTRL_L; break;
case XKB_KEY_Control_R: special = GLUT_KEY_CTRL_R; break;
case XKB_KEY_Alt_L: special = GLUT_KEY_ALT_L; break;
case XKB_KEY_Alt_R: special = GLUT_KEY_ALT_R; break;
}
if( special_cb && (special != -1) )
{
fgSetWindow( window );
special_cb( special, window->State.MouseX, window->State.MouseY );
}
else if( keyboard_cb && (special == -1) )
{
fgSetWindow( window );
xkb_keysym_to_utf8( sym, string, sizeof( string ) );
keyboard_cb( string[0], window->State.MouseX, window->State.MouseY );
}
}