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Implement XKB text compositing.

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Bartosz Taudul 2022-12-20 22:19:45 +01:00
parent b7affdd92d
commit dff2a6d6c2
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1 changed files with 31 additions and 0 deletions
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31
profiler/src/BackendWayland.cpp
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@ -210,12 +210,43 @@ static void KeyboardLeave( void*, struct wl_keyboard* kbd, uint32_t serial, stru
ImGui::GetIO().AddFocusEvent( false );
}
static xkb_keysym_t Compose( const xkb_keysym_t sym )
{
if( sym == XKB_KEY_NoSymbol ) return sym;
if( xkb_compose_state_feed( s_xkbComposeState, sym ) != XKB_COMPOSE_FEED_ACCEPTED ) return sym;
switch( xkb_compose_state_get_status( s_xkbComposeState ) )
{
case XKB_COMPOSE_COMPOSED:
return xkb_compose_state_get_one_sym( s_xkbComposeState );
case XKB_COMPOSE_COMPOSING:
case XKB_COMPOSE_CANCELLED:
return XKB_KEY_NoSymbol;
case XKB_COMPOSE_NOTHING:
default:
return sym;
}
}
static void KeyboardKey( void*, struct wl_keyboard* kbd, uint32_t serial, uint32_t time, uint32_t key, uint32_t state )
{
if( state == WL_KEYBOARD_KEY_STATE_PRESSED )
{
const xkb_keysym_t* keysyms;
if( xkb_state_key_get_syms( s_xkbState, key + 8, &keysyms ) == 1 )
{
const auto sym = Compose( keysyms[0] );
char txt[8];
if( xkb_keysym_to_utf8( sym, txt, sizeof( txt ) ) > 0 )
{
ImGui::GetIO().AddInputCharactersUTF8( txt );
}
}
}
}
static void KeyboardModifiers( void*, struct wl_keyboard* kbd, uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked, uint32_t group )
{
xkb_state_update_mask( s_xkbState, mods_depressed, mods_latched, mods_locked, 0, 0, group );
}
static void KeyboardRepeatInfo( void*, struct wl_keyboard* kbd, int32_t rate, int32_t delay )