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wayland: Implement virtual modifiers

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Since Wayland is using libxkbcommon, it inherits X unfortunate
real/virtual modifier distinction, so we have to do the same
gymnastics we do for X to map between the two.

This should fix matching of accelerators using virtual modifiers
(modulo gnome-shell bugs regarding the handling of Super).

https://bugzilla.gnome.org/show_bug.cgi?id=764424
This commit is contained in:
Matthias Clasen 2016-04-15 22:20:25 -04:00
parent 101cecf724
commit 64c2a65cc0
1 changed files with 50 additions and 2 deletions
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52
gdk/wayland/gdkkeys-wayland.c
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@ -373,14 +373,62 @@ static void
gdk_wayland_keymap_add_virtual_modifiers (GdkKeymap *keymap,
GdkModifierType *state)
{
return;
struct xkb_keymap *xkb_keymap;
struct xkb_state *xkb_state;
xkb_mod_index_t idx;
uint32_t mods, real;
struct { const char *name; GdkModifierType mask; } vmods[] = {
{ "Super", GDK_SUPER_MASK },
{ "Hyper", GDK_HYPER_MASK },
{ "Meta", GDK_META_MASK },
{ NULL, 0 }
};
int i;
xkb_keymap = GDK_WAYLAND_KEYMAP (keymap)->xkb_keymap;
mods = get_xkb_modifiers (xkb_keymap, *state);
xkb_state = xkb_state_new (xkb_keymap);
for (i = 0; vmods[i].name; i++)
{
idx = xkb_keymap_mod_get_index (xkb_keymap, vmods[i].name);
if (idx == XKB_MOD_INVALID)
continue;
xkb_state_update_mask (xkb_state, 1 << idx, 0, 0, 0, 0, 0);
real = xkb_state_serialize_mods (xkb_state, XKB_STATE_MODS_EFFECTIVE);
real &= 0xff;
if (mods & real)
*state |= vmods[i].mask;
xkb_state_update_mask (xkb_state, 0, 0, 0, 0, 0, 0);
}
xkb_state_unref (xkb_state);
}
static gboolean
gdk_wayland_keymap_map_virtual_modifiers (GdkKeymap *keymap,
GdkModifierType *state)
{
return TRUE;
struct xkb_keymap *xkb_keymap;
struct xkb_state *xkb_state;
uint32_t mods, mapped;
gboolean ret = TRUE;
xkb_keymap = GDK_WAYLAND_KEYMAP (keymap)->xkb_keymap;
mods = get_xkb_modifiers (xkb_keymap, *state);
xkb_state = xkb_state_new (xkb_keymap);
xkb_state_update_mask (xkb_state, mods, 0, 0, 0, 0, 0);
mapped = xkb_state_serialize_mods (xkb_state, XKB_STATE_MODS_EFFECTIVE);
if ((mapped & mods & 0xff) != 0)
ret = FALSE;
*state = get_gdk_modifiers (xkb_keymap, mapped);
xkb_state_unref (xkb_state);
return ret;
}
static void