Интерактивная система просмотра системных руководств (man-ов)
XInternAtom (3)
>> XInternAtom (3) ( Разные man: Библиотечные вызовы )
NAME
XInternAtom, XInternAtoms, XGetAtomName, XGetAtomNames - create or return atom names
SYNTAX
Atom XInternAtom(Display *display, char *atom_name, Bool
only_if_exists);
Status XInternAtoms(Display *display, char **names, int
count, Bool only_if_exists, Atom *atoms_return);
char *XGetAtomName(Display *display, Atom atom);
Status XGetAtomNames(Display *display, Atom *atoms, int
count, char **names_return);
ARGUMENTS
atom
Specifies the atom for the property name you want returned.
atoms
Specifies the array of atoms.
atom_name
Specifies the name associated with the atom you want returned.
atoms_return
Returns the atoms.
count
Specifies the number of atom names in the array.
count
Specifies the number of atoms in the array.
display
Specifies the connection to the X server.
names
Specifies the array of atom names.
names_return
Returns the atom names.
only_if_exists
Specifies a Boolean value that indicates whether the atom must be created.
DESCRIPTION
The
XInternAtom
function returns the atom identifier associated with the specified atom_name
string.
If only_if_exists is
False,
the atom is created if it does not exist.
Therefore,
XInternAtom
can return
None.
If the atom name is not in the Host Portable Character Encoding,
the result is implementation-dependent.
Uppercase and lowercase matter;
the strings ``thing'', ``Thing'', and ``thinG''
all designate different atoms.
The atom will remain defined even after the client's connection closes.
It will become undefined only when the last connection to
the X server closes.
XInternAtom
can generate
BadAlloc
and
BadValue
errors.
The
XInternAtoms
function returns the atom identifiers associated with the specified names.
The atoms are stored in the atoms_return array supplied by the caller.
Calling this function is equivalent to calling
XInternAtom
for each of the names in turn with the specified value of only_if_exists,
but this function minimizes the number of round-trip protocol exchanges
between the client and the X server.
This function returns a nonzero status if atoms are returned for
all of the names;
otherwise, it returns zero.
XInternAtoms
can generate
BadAlloc
and
BadValue
errors.
The
XGetAtomName
function returns the name associated with the specified atom.
If the data returned by the server is in the Latin Portable Character Encoding,
then the returned string is in the Host Portable Character Encoding.
Otherwise, the result is implementation-dependent.
To free the resulting string,
call
XFree.
XGetAtomName
can generate a
BadAtom
error.
The
XGetAtomNames
function returns the names associated with the specified atoms.
The names are stored in the names_return array supplied by the caller.
Calling this function is equivalent to calling
XGetAtomName
for each of the atoms in turn,
but this function minimizes the number of round-trip protocol exchanges
between the client and the X server.
This function returns a nonzero status if names are returned for
all of the atoms;
otherwise, it returns zero.
XGetAtomNames
can generate a
BadAtom
error.
DIAGNOSTICS
BadAlloc
The server failed to allocate the requested resource or server memory.
BadAtom
A value for an Atom argument does not name a defined Atom.
BadValue
Some numeric value falls outside the range of values accepted by the request.
Unless a specific range is specified for an argument, the full range defined
by the argument's type is accepted. Any argument defined as a set of
alternatives can generate this error.
