mirror of https://github.com/yshui/picom.git
38 lines
1016 B
C
38 lines
1016 B
C
#include <string.h>
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#include <xcb/xcb.h>
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#include "atom.h"
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#include "common.h"
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#include "utils.h"
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#include "log.h"
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static inline void *atom_getter(void *ud, const char *atom_name, int *err) {
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xcb_connection_t *c = ud;
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xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(
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c, xcb_intern_atom(c, 0, to_u16_checked(strlen(atom_name)), atom_name), NULL);
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xcb_atom_t atom = XCB_NONE;
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if (reply) {
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log_debug("Atom %s is %d", atom_name, reply->atom);
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atom = reply->atom;
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free(reply);
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} else {
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log_error("Failed to intern atoms");
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*err = 1;
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}
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return (void *)(intptr_t)atom;
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}
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/**
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* Create a new atom structure and fetch all predefined atoms
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*/
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struct atom *init_atoms(xcb_connection_t *c) {
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auto atoms = ccalloc(1, struct atom);
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atoms->c = new_cache((void *)c, atom_getter, NULL);
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#define ATOM_GET(x) atoms->a##x = (xcb_atom_t)(intptr_t)cache_get(atoms->c, #x, NULL)
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LIST_APPLY(ATOM_GET, SEP_COLON, ATOM_LIST1);
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LIST_APPLY(ATOM_GET, SEP_COLON, ATOM_LIST2);
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#undef ATOM_GET
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return atoms;
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}
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