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keybindings: Rewrite the keymap code so that it uses libxkbcommon

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This way we aren't depending on Xwayland for native key mapping support,
and are instead using the native interfaces.
This commit is contained in:
Jasper St. Pierre 2014-08-14 18:14:55 -04:00
parent 3645c63c08
commit 1af0033368
2 changed files with 57 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/core/keybindings-private.h
View File

@ -90,14 +90,8 @@ typedef struct
typedef struct
{
Display *xdisplay;
GHashTable *key_bindings;
GHashTable *key_bindings_index;
int min_keycode;
int max_keycode;
KeySym *keymap;
int keysyms_per_keycode;
xkb_mod_mask_t ignored_modifier_mask;
xkb_mod_mask_t hyper_mask;
xkb_mod_mask_t super_mask;

106
src/core/keybindings.c
View File

@ -177,18 +177,6 @@ key_binding_key (guint32 keycode,
return (key << 16) | (mask & 0xffff);
}
static void
reload_keymap (MetaKeyBindingManager *keys)
{
meta_XFree (keys->keymap);
keys->keymap = XGetKeyboardMapping (keys->xdisplay,
keys->min_keycode,
keys->max_keycode -
keys->min_keycode + 1,
&keys->keysyms_per_keycode);
}
static const char *
keysym_name (xkb_keysym_t keysym)
{
@ -238,12 +226,61 @@ reload_modmap (MetaKeyBindingManager *keys)
keys->meta_mask);
}
static gboolean
is_keycode_for_keysym (struct xkb_keymap *keymap,
xkb_keycode_t keycode,
xkb_keysym_t keysym)
{
xkb_layout_index_t num_layouts, i;
num_layouts = xkb_keymap_num_layouts_for_key (keymap, keycode);
for (i = 0; i < num_layouts; i++)
{
xkb_level_index_t num_levels, j;
num_levels = xkb_keymap_num_levels_for_key (keymap, keycode, i);
for (j = 0; j < num_levels; j++)
{
const xkb_keysym_t *syms;
int num_syms, k;
num_syms = xkb_keymap_key_get_syms_by_level (keymap, keycode, i, j, &syms);
for (k = 0; k < num_syms; k++)
{
if (syms[k] == keysym)
return TRUE;
}
}
}
return FALSE;
}
typedef struct
{
GArray *keycodes;
xkb_keysym_t keysym;
} FindKeysymData;
static void
get_keycodes_for_keysym_iter (struct xkb_keymap *keymap,
xkb_keycode_t keycode,
void *data)
{
FindKeysymData *search_data = data;
GArray *keycodes = search_data->keycodes;
xkb_keysym_t keysym = search_data->keysym;
if (is_keycode_for_keysym (keymap, keycode, keysym))
g_array_append_val (keycodes, keycode);
}
/* Original code from gdk_x11_keymap_get_entries_for_keyval() in
* gdkkeys-x11.c */
static int
get_keycodes_for_keysym (MetaKeyBindingManager *keys,
int keysym,
int **keycodes)
int keysym,
int **keycodes)
{
GArray *retval;
int n_keycodes;
@ -259,22 +296,12 @@ get_keycodes_for_keysym (MetaKeyBindingManager *keys,
goto out;
}
keycode = keys->min_keycode;
while (keycode <= keys->max_keycode)
{
const KeySym *syms = keys->keymap + (keycode - keys->min_keycode) * keys->keysyms_per_keycode;
int i = 0;
while (i < keys->keysyms_per_keycode)
{
if (syms[i] == (unsigned int)keysym)
g_array_append_val (retval, keycode);
++i;
}
++keycode;
}
{
MetaBackend *backend = meta_get_backend ();
struct xkb_keymap *keymap = meta_backend_get_keymap (backend);
FindKeysymData search_data = { retval, keysym };
xkb_keymap_key_for_each (keymap, get_keycodes_for_keysym_iter, &search_data);
}
out:
n_keycodes = retval->len;
@ -861,8 +888,6 @@ on_keymap_changed (MetaBackend *backend,
ungrab_key_bindings (display);
reload_keymap (keys);
/* Deciphering the modmap depends on the loaded keysyms to find out
* what modifiers is Super and so forth, so we need to reload it
* even when only the keymap changes */
@ -1132,8 +1157,6 @@ meta_display_shutdown_keys (MetaDisplay *display)
meta_prefs_remove_listener (prefs_changed_callback, display);
meta_XFree (keys->keymap);
g_hash_table_destroy (keys->key_bindings_index);
g_hash_table_destroy (keys->key_bindings);
}
@ -4011,11 +4034,6 @@ meta_display_init_keys (MetaDisplay *display)
MetaKeyHandler *handler;
/* Keybindings */
keys->xdisplay = display->xdisplay;
keys->keymap = NULL;
keys->keysyms_per_keycode = 0;
keys->min_keycode = 0;
keys->max_keycode = 0;
keys->ignored_modifier_mask = 0;
keys->hyper_mask = 0;
keys->super_mask = 0;
@ -4024,16 +4042,6 @@ meta_display_init_keys (MetaDisplay *display)
keys->key_bindings = g_hash_table_new_full (NULL, NULL, NULL, g_free);
keys->key_bindings_index = g_hash_table_new (NULL, NULL);
XDisplayKeycodes (keys->xdisplay,
&keys->min_keycode,
&keys->max_keycode);
meta_topic (META_DEBUG_KEYBINDINGS,
"Display has keycode range %d to %d\n",
keys->min_keycode,
keys->max_keycode);
reload_keymap (keys);
reload_modmap (keys);
key_handlers = g_hash_table_new_full (g_str_hash, g_str_equal, g_free,