/** Handle keypress event.
* \param L Lua stack to push the key pressed.
* \param e Received XKeyEvent.
* \return True if a key was successfully get, false otherwise.
*/
bool
keygrabber_handlekpress(lua_State *L, xcb_key_press_event_t *e)
{
/* transfer event (keycode + modifiers) to keysym */
xcb_keysym_t ksym = keyresolv_get_keysym(e->detail, e->state);
/* convert keysym to string */
char buf[MAX(MB_LEN_MAX, 32)];
if(!keyresolv_keysym_to_string(ksym, buf, countof(buf)))
return false;
luaA_pushmodifiers(L, e->state);
lua_pushstring(L, buf);
switch(e->response_type)
{
case XCB_KEY_PRESS:
lua_pushliteral(L, "press");
break;
case XCB_KEY_RELEASE:
lua_pushliteral(L, "release");
break;
}
return true;
}
/** Handle keypress event.
* \param L Lua stack to push the key pressed.
* \param e Received XKeyEvent.
* \return True if a key was successfully retrieved, false otherwise.
*/
bool
keygrabber_handlekpress(lua_State *L, xcb_key_press_event_t *e)
{
/* convert keysym to string */
char buf[MAX(MB_LEN_MAX, 32)];
/* snprintf-like return value could be used here, but that should not be
* necessary, as we have buffer big enough */
xkb_state_key_get_utf8(globalconf.xkb_state, e->detail, buf, countof(buf) );
if (is_control(buf))
{
/* Use text names for control characters, ignoring all modifiers. */
xcb_keysym_t keysym = xcb_key_symbols_get_keysym(globalconf.keysyms,
e->detail, 0);
xkb_keysym_get_name(keysym, buf, countof(buf));
}
luaA_pushmodifiers(L, e->state);
lua_pushstring(L, buf);
switch(e->response_type)
{
case XCB_KEY_PRESS:
lua_pushliteral(L, "press");
break;
case XCB_KEY_RELEASE:
lua_pushliteral(L, "release");
break;
}
return true;
}
/** Emit a button signal.
* The top of the lua stack has to be the object on which to emit the event.
* \param L The Lua VM state.
* \param ev The event to handle.
*/
static void
event_emit_button(lua_State *L, xcb_button_press_event_t *ev)
{
const char *name;
switch(XCB_EVENT_RESPONSE_TYPE(ev))
{
case XCB_BUTTON_PRESS:
name = "button::press";
break;
case XCB_BUTTON_RELEASE:
name = "button::release";
break;
default:
fatal("Invalid event type");
}
/* Push the event's info */
lua_pushinteger(L, ev->event_x);
lua_pushinteger(L, ev->event_y);
lua_pushinteger(L, ev->detail);
luaA_pushmodifiers(L, ev->state);
/* And emit the signal */
luaA_object_emit_signal(L, -5, name, 4);
}
