+ SEvent translated;
+ memset(&translated, 0, sizeof(SEvent));
+ translated.EventType = EET_MOUSE_INPUT_EVENT;
+ gui::IGUIElement* root = Environment->getRootGUIElement();
+
+ if (!root) {
+ errorstream
+ << "GUIFormSpecMenu::preprocessEvent unable to get root element"
+ << std::endl;
+ return false;
+ }
+ gui::IGUIElement* hovered = root->getElementFromPoint(
+ core::position2d<s32>(
+ event.TouchInput.X,
+ event.TouchInput.Y));
+
+ translated.MouseInput.X = event.TouchInput.X;
+ translated.MouseInput.Y = event.TouchInput.Y;
+ translated.MouseInput.Control = false;
+
+ bool dont_send_event = false;
+
+ if (event.TouchInput.touchedCount == 1) {
+ switch (event.TouchInput.Event) {
+ case ETIE_PRESSED_DOWN:
+ m_pointer = v2s32(event.TouchInput.X,event.TouchInput.Y);
+ translated.MouseInput.Event = EMIE_LMOUSE_PRESSED_DOWN;
+ translated.MouseInput.ButtonStates = EMBSM_LEFT;
+ m_down_pos = m_pointer;
+ break;
+ case ETIE_MOVED:
+ m_pointer = v2s32(event.TouchInput.X,event.TouchInput.Y);
+ translated.MouseInput.Event = EMIE_MOUSE_MOVED;
+ translated.MouseInput.ButtonStates = EMBSM_LEFT;
+ break;
+ case ETIE_LEFT_UP:
+ translated.MouseInput.Event = EMIE_LMOUSE_LEFT_UP;
+ translated.MouseInput.ButtonStates = 0;
+ hovered = root->getElementFromPoint(m_down_pos);
+ /* we don't have a valid pointer element use last
+ * known pointer pos */
+ translated.MouseInput.X = m_pointer.X;
+ translated.MouseInput.Y = m_pointer.Y;
+
+ /* reset down pos */
+ m_down_pos = v2s32(0,0);
+ break;
+ default:
+ dont_send_event = true;
+ //this is not supposed to happen
+ errorstream
+ << "GUIFormSpecMenu::preprocessEvent unexpected usecase Event="
+ << event.TouchInput.Event << std::endl;
+ }
+ } else if ( (event.TouchInput.touchedCount == 2) &&
+ (event.TouchInput.Event == ETIE_PRESSED_DOWN) ) {
+ hovered = root->getElementFromPoint(m_down_pos);
+
+ translated.MouseInput.Event = EMIE_RMOUSE_PRESSED_DOWN;
+ translated.MouseInput.ButtonStates = EMBSM_LEFT | EMBSM_RIGHT;
+ translated.MouseInput.X = m_pointer.X;
+ translated.MouseInput.Y = m_pointer.Y;
+
+ if (hovered) {
+ hovered->OnEvent(translated);
+ }
+
+ translated.MouseInput.Event = EMIE_RMOUSE_LEFT_UP;
+ translated.MouseInput.ButtonStates = EMBSM_LEFT;
+
+
+ if (hovered) {
+ hovered->OnEvent(translated);
+ }
+ dont_send_event = true;
+ }
+ /* ignore unhandled 2 touch events ... accidental moving for example */
+ else if (event.TouchInput.touchedCount == 2) {
+ dont_send_event = true;
+ }
+ else if (event.TouchInput.touchedCount > 2) {
+ errorstream
+ << "GUIFormSpecMenu::preprocessEvent to many multitouch events "
+ << event.TouchInput.touchedCount << " ignoring them" << std::endl;
+ }
+
+ if (dont_send_event) {
+ return true;
+ }
+
+ /* check if translated event needs to be preprocessed again */
+ if (preprocessEvent(translated)) {
+ return true;
+ }
+ if (hovered) {
+ grab();
+ bool retval = hovered->OnEvent(translated);
+
+ if (event.TouchInput.Event == ETIE_LEFT_UP) {
+ /* reset pointer */
+ m_pointer = v2s32(0,0);
+ }
+ drop();
+ return retval;
+ }
+ }
+ #endif
+
+ if (event.EventType == irr::EET_JOYSTICK_INPUT_EVENT) {
+ /* TODO add a check like:
+ if (event.JoystickEvent != joystick_we_listen_for)
+ return false;
+ */
+ bool handled = m_joystick->handleEvent(event.JoystickEvent);
+ if (handled) {
+ if (m_joystick->wasKeyDown(KeyType::ESC)) {
+ tryClose();
+ } else if (m_joystick->wasKeyDown(KeyType::JUMP)) {
+ if (m_allowclose) {
+ acceptInput(quit_mode_accept);
+ quitMenu();
+ }
+ }
+ }
+ return handled;
+ }
+
+ return false;
+}
+
+/******************************************************************************/
+bool GUIFormSpecMenu::DoubleClickDetection(const SEvent event)
+{
+ /* The following code is for capturing double-clicks of the mouse button
+ * and translating the double-click into an EET_KEY_INPUT_EVENT event
+ * -- which closes the form -- under some circumstances.
+ *
+ * There have been many github issues reporting this as a bug even though it
+ * was an intended feature. For this reason, remapping the double-click as
+ * an ESC must be explicitly set when creating this class via the
+ * /p remap_dbl_click parameter of the constructor.
+ */
+
+ if (!m_remap_dbl_click)
+ return false;
+
+ if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
+ m_doubleclickdetect[0].pos = m_doubleclickdetect[1].pos;
+ m_doubleclickdetect[0].time = m_doubleclickdetect[1].time;
+
+ m_doubleclickdetect[1].pos = m_pointer;
+ m_doubleclickdetect[1].time = getTimeMs();
+ }
+ else if (event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP) {
+ u32 delta = porting::getDeltaMs(m_doubleclickdetect[0].time, getTimeMs());
+ if (delta > 400) {
+ return false;
+ }
+
+ double squaredistance =
+ m_doubleclickdetect[0].pos
+ .getDistanceFromSQ(m_doubleclickdetect[1].pos);
+
+ if (squaredistance > (30*30)) {
+ return false;
+ }
+
+ SEvent* translated = new SEvent();
+ assert(translated != 0);
+ //translate doubleclick to escape
+ memset(translated, 0, sizeof(SEvent));
+ translated->EventType = irr::EET_KEY_INPUT_EVENT;
+ translated->KeyInput.Key = KEY_ESCAPE;
+ translated->KeyInput.Control = false;
+ translated->KeyInput.Shift = false;
+ translated->KeyInput.PressedDown = true;
+ translated->KeyInput.Char = 0;
+ OnEvent(*translated);
+
+ // no need to send the key up event as we're already deleted
+ // and no one else did notice this event
+ delete translated;
+ return true;
+ }
+
+ return false;
+}
+
+void GUIFormSpecMenu::tryClose()
+{
+ if (m_allowclose) {
+ doPause = false;
+ acceptInput(quit_mode_cancel);
+ quitMenu();
+ } else {
+ m_text_dst->gotText(L"MenuQuit");
+ }
+}
+
+bool GUIFormSpecMenu::OnEvent(const SEvent& event)
+{
+ if (event.EventType==EET_KEY_INPUT_EVENT) {