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wayland: Implement keymap direction

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This is very similar to the X11 implementation.
This commit is contained in:
Matthias Clasen 2013-04-03 23:45:54 -04:00
parent 5d9c07a061
commit 2f8f1ef485
1 changed files with 88 additions and 2 deletions
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90
gdk/wayland/gdkkeys-wayland.c
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@ -50,6 +50,9 @@ struct _GdkWaylandKeymap
struct xkb_keymap *xkb_keymap;
struct xkb_state *xkb_state;
PangoDirection *direction;
gboolean bidi;
};
struct _GdkWaylandKeymapClass
@ -70,6 +73,7 @@ gdk_wayland_keymap_finalize (GObject *object)
xkb_keymap_unref (keymap->xkb_keymap);
xkb_state_unref (keymap->xkb_state);
g_free (keymap->direction);
G_OBJECT_CLASS (_gdk_wayland_keymap_parent_class)->finalize (object);
}
@ -77,13 +81,24 @@ gdk_wayland_keymap_finalize (GObject *object)
static PangoDirection
gdk_wayland_keymap_get_direction (GdkKeymap *keymap)
{
return PANGO_DIRECTION_NEUTRAL;
GdkWaylandKeymap *keymap_wayland = GDK_WAYLAND_KEYMAP (keymap);
gint i;
for (i = 0; i < xkb_keymap_num_layouts (keymap_wayland->xkb_keymap); i++)
{
if (xkb_state_layout_index_is_active (keymap_wayland->xkb_state, i, XKB_STATE_LAYOUT_EFFECTIVE))
return keymap_wayland->direction[i];
}
return PANGO_DIRECTION_NEUTRAL;
}
static gboolean
gdk_wayland_keymap_have_bidi_layouts (GdkKeymap *keymap)
{
return FALSE;
GdkWaylandKeymap *keymap_wayland = GDK_WAYLAND_KEYMAP (keymap);
return keymap_wayland->bidi;
}
static gboolean
@ -233,6 +248,75 @@ _gdk_wayland_keymap_new ()
return GDK_KEYMAP (keymap);
}
static void
update_direction (GdkWaylandKeymap *keymap)
{
gint num_layouts;
gint *rtl;
gint key;
gboolean have_rtl, have_ltr;
gint i;
num_layouts = xkb_keymap_num_layouts (keymap->xkb_keymap);
g_free (keymap->direction);
keymap->direction = g_new0 (PangoDirection, num_layouts);
rtl = g_new0 (gint, num_layouts);
for (key = 8; key < 255; key++) /* FIXME: min/max keycode */
{
gint layouts;
gint layout;
layouts = xkb_keymap_num_layouts_for_key (keymap->xkb_keymap, key);
for (layout = 0; layout < layouts; layout++)
{
const xkb_keysym_t *syms;
gint num_syms;
gint sym;
num_syms = xkb_keymap_key_get_syms_by_level (keymap->xkb_keymap, key, layout, 0, &syms);
for (sym = 0; sym < num_syms; sym++)
{
PangoDirection dir;
dir = pango_unichar_direction (xkb_keysym_to_utf32 (syms[sym]));
switch (dir)
{
case PANGO_DIRECTION_RTL:
rtl[layout]++;
break;
case PANGO_DIRECTION_LTR:
rtl[layout]--;
break;
default:
break;
}
}
}
}
have_rtl = have_ltr = FALSE;
for (i = 0; i < num_layouts; i++)
{
if (rtl[i] > 0)
{
keymap->direction[i] = PANGO_DIRECTION_RTL;
have_rtl = TRUE;
}
else
{
keymap->direction[i] = PANGO_DIRECTION_LTR;
have_ltr = TRUE;
}
}
if (have_rtl && have_ltr)
keymap->bidi = TRUE;
g_free (rtl);
}
void
_gdk_wayland_keymap_update_from_fd (GdkKeymap *keymap,
uint32_t format,
@ -261,6 +345,8 @@ _gdk_wayland_keymap_update_from_fd (GdkKeymap *keymap,
keymap_wayland->xkb_state = xkb_state_new (keymap_wayland->xkb_keymap);
xkb_context_unref (context);
update_direction (keymap_wayland);
}
struct xkb_keymap *_gdk_wayland_keymap_get_xkb_keymap (GdkKeymap *keymap)