KeySym
XkbKeycodeToKeysym(Display *dpy,
#if NeedWidePrototypes
unsigned int kc,
#else
KeyCode kc,
#endif
int group,
int level)
{
XkbDescRec *xkb;
if (_XkbUnavailable(dpy))
return NoSymbol;
_XkbCheckPendingRefresh(dpy,dpy->xkb_info);
xkb = dpy->xkb_info->desc;
if ((kc<xkb->min_key_code)||(kc>xkb->max_key_code))
return NoSymbol;
if ((group<0)||(level<0)||(group>=XkbKeyNumGroups(xkb,kc)))
return NoSymbol;
if (level>=XkbKeyGroupWidth(xkb,kc,group)) {
/* for compatibility with the core protocol, _always_ allow */
/* two symbols in the first two groups. If either of the */
/* two is of type ONE_LEVEL, just replicate the first symbol */
if ((group>XkbGroup2Index)||(XkbKeyGroupWidth(xkb,kc,group)!=1)||
(level!=1)) {
return NoSymbol;
}
level= 0;
}
return XkbKeySymEntry(xkb,kc,level,group);
}
KeySym
XKeycodeToKeysym(Display *dpy,
#if NeedWidePrototypes
unsigned int kc,
#else
KeyCode kc,
#endif
int col)
{
XkbDescRec *xkb;
if (_XkbUnavailable(dpy))
return _XKeycodeToKeysym(dpy, kc, col);
_XkbCheckPendingRefresh(dpy,dpy->xkb_info);
xkb = dpy->xkb_info->desc;
if ((kc<xkb->min_key_code)||(kc>xkb->max_key_code))
return NoSymbol;
if (col>3) {
int lastSym,tmp,nGrp;
lastSym= 3;
nGrp= XkbKeyNumGroups(xkb,kc);
if ((nGrp>0)&&((tmp=XkbKeyGroupWidth(xkb,kc,XkbGroup1Index))>2)) {
if (col<=(lastSym+tmp-2))
return XkbKeycodeToKeysym(dpy,kc,XkbGroup1Index,col-lastSym+2);
lastSym+= tmp-2;
}
if ((nGrp>1)&&((tmp=XkbKeyGroupWidth(xkb,kc,XkbGroup2Index))>2)) {
if (col<=(lastSym+tmp-2))
return XkbKeycodeToKeysym(dpy,kc,XkbGroup2Index,col-lastSym+2);
lastSym+= tmp-2;
}
if (nGrp>2) {
tmp= XkbKeyGroupWidth(xkb,kc,XkbGroup3Index);
if (col<=lastSym+tmp)
return XkbKeycodeToKeysym(dpy,kc,XkbGroup3Index,col-lastSym);
lastSym+= tmp;
}
if (nGrp>3) {
tmp= XkbKeyGroupWidth(xkb,kc,XkbGroup4Index);
if (col<=lastSym+tmp)
return XkbKeycodeToKeysym(dpy,kc,XkbGroup4Index,col-lastSym);
}
return NoSymbol;
}
return XkbKeycodeToKeysym(dpy,kc,(col>>1),(col&1));
}
static void
window_handle_key(void *data, struct wl_input_device *input_device,
uint32_t time, uint32_t key, uint32_t state)
{
struct input *input = data;
struct window *window = input->keyboard_focus;
struct display *d = window->display;
uint32_t code, sym, level;
code = key + d->xkb->min_key_code;
if (window->keyboard_device != input)
return;
level = 0;
if (input->modifiers & XKB_COMMON_SHIFT_MASK &&
XkbKeyGroupWidth(d->xkb, code, 0) > 1)
level = 1;
sym = XkbKeySymEntry(d->xkb, code, level, 0);
if (state)
input->modifiers |= d->xkb->map->modmap[code];
else
input->modifiers &= ~d->xkb->map->modmap[code];
if (window->key_handler)
(*window->key_handler)(window, input, time, key, sym, state,
window->user_data);
}
void QWaylandInputDevice::inputHandleKey(void *data,
struct wl_input_device *input_device,
uint32_t time, uint32_t key, uint32_t state)
{
#ifndef QT_NO_WAYLAND_XKB
Q_UNUSED(input_device);
QWaylandInputDevice *inputDevice = (QWaylandInputDevice *) data;
QWaylandWindow *window = inputDevice->mKeyboardFocus;
uint32_t code, sym, level;
Qt::KeyboardModifiers modifiers;
QEvent::Type type;
char s[2];
if (window == NULL) {
/* We destroyed the keyboard focus surface, but the server
* didn't get the message yet. */
return;
}
code = key + inputDevice->mXkb->min_key_code;
level = 0;
if (inputDevice->mModifiers & Qt::ShiftModifier &&
XkbKeyGroupWidth(inputDevice->mXkb, code, 0) > 1)
level = 1;
sym = XkbKeySymEntry(inputDevice->mXkb, code, level, 0);
modifiers = translateModifiers(inputDevice->mXkb->map->modmap[code]);
if (state) {
inputDevice->mModifiers |= modifiers;
type = QEvent::KeyPress;
} else {
inputDevice->mModifiers &= ~modifiers;
type = QEvent::KeyRelease;
}
sym = translateKey(sym, s, sizeof s);
if (window) {
QWindowSystemInterface::handleKeyEvent(window->widget(),
time, type, sym,
inputDevice->mModifiers,
QString::fromLatin1(s));
}
#endif
}
XKB_EXPORT void
xkb_keymap_unref(struct xkb_keymap *keymap)
{
if (!keymap || --keymap->refcnt > 0)
return;
if (keymap->keys) {
struct xkb_key *key;
xkb_keys_foreach(key, keymap) {
if (key->groups) {
for (unsigned i = 0; i < key->num_groups; i++) {
if (key->groups[i].levels) {
for (unsigned j = 0; j < XkbKeyGroupWidth(key, i); j++)
if (key->groups[i].levels[j].num_syms > 1)
free(key->groups[i].levels[j].u.syms);
free(key->groups[i].levels);
}
}
free(key->groups);
}
}
free(keymap->keys);
}
if (keymap->types) {
for (unsigned i = 0; i < keymap->num_types; i++) {
free(keymap->types[i].entries);
free(keymap->types[i].level_names);
}
free(keymap->types);
}
free(keymap->sym_interprets);
free(keymap->key_aliases);
free(keymap->group_names);
free(keymap->keycodes_section_name);
free(keymap->symbols_section_name);
free(keymap->types_section_name);
free(keymap->compat_section_name);
xkb_context_unref(keymap->ctx);
free(keymap);
}
void handle_key(struct xkb_desc *xkb,
struct input_event *evp,
uint32_t *modifiers)
{
uint32_t code = evp->code + xkb->min_key_code;
uint32_t level = 0;
uint32_t sym;
if ((*modifiers & XKB_COMMON_SHIFT_MASK) &&
XkbKeyGroupWidth(xkb, code, 0) > 1)
level = 1;
sym = XkbKeySymEntry(xkb, code, level, 0);
if (evp->value)
*modifiers |= xkb->map->modmap[code];
else
*modifiers &= xkb->map->modmap[code];
printf("Code: %d, Sym: %d, Modifiers: %d, Ascii: %c, State: %s\n",
evp->code, sym, *modifiers, sym,
evp->value ? "up" : "down");
}
void KeyboardLayoutWidget::drawKeyLabel(QPainter* painter, uint keycode, int angle, int xkb_origin_x, int xkb_origin_y, int xkb_width, int xkb_height, bool is_pressed)
{
int x, y, width, height;
int padding;
int g, l, glp;
if (!xkb)
return;
padding = 23 * ratio; /* 2.3mm */
x = xkbToPixmapCoord (xkb_origin_x);
y = xkbToPixmapCoord (xkb_origin_y);
width = xkbToPixmapCoord (xkb_origin_x + xkb_width) - x;
height = xkbToPixmapCoord (xkb_origin_y + xkb_height) - y;
for (glp = KEYBOARD_DRAWING_POS_TOPLEFT;
glp < KEYBOARD_DRAWING_POS_TOTAL; glp++) {
if (groupLevels[glp] == NULL)
continue;
g = groupLevels[glp]->group;
l = groupLevels[glp]->level;
if (g < 0 || g >= XkbKeyNumGroups (xkb, keycode))
continue;
if (l < 0
|| l >= XkbKeyGroupWidth (xkb, keycode, g))
continue;
/* Skip "exotic" levels like the "Ctrl" level in PC_SYSREQ */
if (l > 0) {
uint mods = XkbKeyKeyType (xkb, keycode,
g)->mods.mask;
if ((mods & (ShiftMask | l3mod)) == 0)
continue;
}
if (trackModifiers) {
uint mods_rtrn;
KeySym keysym;
if (XkbTranslateKeyCode (xkb, keycode,
XkbBuildCoreState(mods, g),
&mods_rtrn, &keysym)) {
drawKeyLabelHelper (painter, keysym, angle, glp,
x, y, width, height,
padding,
is_pressed);
/* reverse y order */
}
} else {
KeySym keysym;
keysym =
XkbKeySymEntry (xkb, keycode, l, g);
drawKeyLabelHelper (painter, keysym,
angle, glp, x, y, width,
height, padding,
is_pressed);
/* reverse y order */
}
}
}
