kmsvnc/keymap.c

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#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "keymap.h"
extern struct kmsvnc_data *kmsvnc;
void xkb_cleanup() {
if (kmsvnc->keymap) {
if (kmsvnc->keymap->map) {
xkb_keymap_unref(kmsvnc->keymap->map);
kmsvnc->keymap->map = NULL;
}
if (kmsvnc->keymap->ctx) {
xkb_context_unref(kmsvnc->keymap->ctx);
kmsvnc->keymap->ctx = NULL;
}
free(kmsvnc->keymap);
kmsvnc->keymap = NULL;
}
}
int xkb_init()
{
struct kmsvnc_keymap_data *xkb = malloc(sizeof(struct kmsvnc_keymap_data));
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if (!xkb) KMSVNC_FATAL("memory allocation error at %s:%d\n", __FILE__, __LINE__);
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memset(xkb, 0, sizeof(struct kmsvnc_keymap_data));
kmsvnc->keymap = xkb;
xkb->ctx = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
if (xkb->ctx == NULL)
{
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KMSVNC_FATAL("Failed to create XKB context\n");
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}
struct xkb_rule_names names = {
.rules = NULL,
.model = NULL,
.layout = NULL,
.variant = NULL,
.options = NULL,
};
xkb->map = xkb_keymap_new_from_names(xkb->ctx, &names, 0);
if (xkb->map == NULL)
{
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KMSVNC_FATAL("Failed to create XKB keymap\n");
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}
// printf("xkb: keymap string\n%s\n", xkb_keymap_get_as_string(xkb->map, XKB_KEYMAP_USE_ORIGINAL_FORMAT));
return 0;
}
void key_iter(struct xkb_keymap *xkb, xkb_keycode_t key, void *data)
{
struct key_iter_search *search = data;
if (search->keycode != XKB_KEYCODE_INVALID)
{
return; // We are done
}
xkb_level_index_t num_levels = xkb_keymap_num_levels_for_key(xkb, key, 0);
for (xkb_level_index_t i = 0; i < num_levels; i++)
{
const xkb_keysym_t *syms;
int num_syms = xkb_keymap_key_get_syms_by_level(xkb, key, 0, i, &syms);
for (int k = 0; k < num_syms; k++)
{
if (syms[k] == search->keysym)
{
search->keycode = key;
search->level = i;
goto end;
}
}
}
end:
return;
}