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XLookupKeysym(3X11) XLookupKeysym(3X11) NAME XLookupKeysym, XRefreshKeyboardMapping, XLookupString, XRebindKeySym - handle keyboard input events in Latin-1 SYNOPSIS KeySym XLookupKeysym(key_event, index) XKeyEvent *key_event; int index; XRefreshKeyboardMapping(event_map) XMappingEvent *event_map; int XLookupString(event_struct, buffer_return, bytes_buffer, keysym_re- turn, status_in_out) XKeyEvent *event_struct; char *buffer_return; int bytes_buffer; KeySym *keysym_return; XComposeStatus *status_in_out; XRebindKeysym(display, keysym, list, mod_count, string, num_bytes) Display *display; KeySym keysym; KeySym list[]; int mod_count; unsigned char *string; int num_bytes; ARGUMENTS Returns the translated characters. Specifies the length of the buffer. No more than bytes_buffer of translation are returned. Specifies the number of bytes in the string argument. Specifies the connection to the X server. Specifies the mapping event that is to be used. Speci- fies the key event structure to be used. You can pass XKeyPressedEvent or XKeyReleasedEvent. Specifies the index into the KeySyms list for the event's KeyCode. Specifies the KeyPress or KeyRelease event. Specifies the KeySym that is to be. Returns the KeySym computed from the event if this argument is not NULL. Specifies the KeySyms to be used as modifiers. Specifies the number of modifiers in the modifier list. Specifies or returns the XComposeStatus structure or NULL. Specifies the string that is copied and will be returned by XLookup- String. DESCRIPTION The XLookupKeysym function uses a given keyboard event and the index you specified to return the KeySym from the list that corresponds to the KeyCode member in the XKeyPressedEvent or XKeyReleasedEvent struc- ture. If no KeySym is defined for the KeyCode of the event, XLookup- Keysym returns NoSymbol. The XRefreshKeyboardMapping function refreshes the stored modifier and keymap information. You usually call this function when a MappingNotify event with a request member of MappingKeyboard or MappingModifier oc- curs. The result is to update Xlib's knowledge of the keyboard. The XLookupString function translates a key event to a KeySym and a string. The KeySym is obtained by using the standard interpretation of the Shift, Lock, group, and numlock modifiers as defined in the X Pro- tocol specification. If the KeySym has been rebound (see XRebind- Keysym), the bound string will be stored in the buffer. Otherwise, the KeySym is mapped, if possible, to an ISO Latin-1 character or (if the Control modifier is on) to an ASCII control character, and that charac- ter is stored in the buffer. XLookupString returns the number of char- acters that are stored in the buffer. If present (non-NULL), the XComposeStatus structure records the state, which is private to Xlib, that needs preservation across calls to XLookupString to implement compose processing. The creation of XCom- poseStatus structures is implementation dependent; a portable program must pass NULL for this argument. The XRebindKeysym function can be used to rebind the meaning of a KeySym for the client. It does not redefine any key in the X server but merely provides an easy way for long strings to be attached to keys. XLookupString returns this string when the appropriate set of modifier keys are pressed and when the KeySym would have been used for the translation. No text conversions are performed; the client is responsi- ble for supplying appropriately encoded strings. Note that you can re- bind a KeySym that may not exist. SEE ALSO XButtonEvent(3X11), XMapEvent(3X11), XStringToKeysym(3X11) Xlib -- C Language X Interface XLookupKeysym(3X11)