void InputEventController::ProcessInputEvent(const SDL_Event &evt)
{
switch (evt.type) {
case SDL_KEYDOWN: OnKeyPressed(evt.key); break;
case SDL_KEYUP: OnKeyReleased(evt.key); break;
case SDL_TEXTINPUT: OnTextInput(evt.text); break;
case SDL_MOUSEMOTION: OnMouseMoved(evt.motion); break;
case SDL_MOUSEBUTTONDOWN: OnMousePressed(evt.button); break;
case SDL_MOUSEBUTTONUP: OnMouseReleased(evt.button); break;
case SDL_MOUSEWHEEL: OnMouseWheel(evt.wheel); break;
default:
HR_LOG(info) << "Unhandled input event type: " << evt.type;
}
}
bool TextEntry::OnKeyDown(const SDL_Keysym *sym)
{
bool accepted = false;
bool changed = false;
int oldNewlineCount = m_newlineCount;
// XXX moving the cursor is not UTF-8 safe
if (sym->sym == SDLK_LEFT || sym->sym == SDLK_RIGHT) {
bool forward = (sym->sym == SDLK_RIGHT);
int direction = (forward) ? 1 : -1;
if (!(sym->mod & KMOD_CTRL)) {
SetCursorPos(m_cursPos + direction);
} else {
int inspect_offset = (forward) ? 0 : -1; // When going back, we need the character before the cursor.
int ending = (forward) ? m_text.size() : 0;
int current = m_cursPos+inspect_offset;
bool found_word = false;
while(current != ending) {
bool alphanum;
alphanum = Text::is_alphanumunderscore(m_text[current]);
if (found_word && !alphanum) { // Word boundary.
current -= inspect_offset; // Make up for the initial offset.
break;
}
current += direction;
found_word = found_word || alphanum; // You need to be in a word before finding its boudaries.
}
SetCursorPos(current);
}
accepted = true;
}
// XXX deleting characters is not UTF-8 safe
if (sym->sym == SDLK_BACKSPACE) {
if (m_cursPos > 0) {
if (m_text[m_cursPos-1] == '\n')
--m_newlineCount;
m_text = m_text.substr(0, m_cursPos-1) + m_text.substr(m_cursPos);
SetCursorPos(m_cursPos-1);
changed = true;
}
accepted = true;
}
if (sym->sym == SDLK_DELETE) {
if (m_cursPos < signed(m_text.size())) {
if (m_text[m_cursPos] == '\n')
--m_newlineCount;
m_text = m_text.substr(0, m_cursPos) + m_text.substr(m_cursPos+1);
changed = true;
}
accepted = true;
}
if (sym->sym == SDLK_HOME) {
size_t pos = m_text.rfind('\n', std::max(m_cursPos-1, 0));
if (pos == std::string::npos)
pos = 0;
else
++pos;
m_cursPos = int(pos);
accepted = true;
}
if (sym->sym == SDLK_END) {
size_t pos = m_text.find('\n', m_cursPos);
if (pos == std::string::npos)
pos = m_text.size();
m_cursPos = int(pos);
accepted = true;
}
if (sym->sym == SDLK_RETURN) {
switch (m_newlineMode) {
case IgnoreNewline:
accepted = false;
break;
case AcceptNewline:
accepted = true;
break;
case AcceptCtrlNewline:
accepted = sym->mod & KMOD_CTRL;
break;
}
if (accepted) {
++m_newlineCount;
OnTextInput('\n');
}
}
if (oldNewlineCount != m_newlineCount)
ResizeRequest();
onKeyPress.emit(sym);
if (changed) onValueChanged.emit();
return accepted;
}
void Control::NotificationTextInput(const SDL_TextInputEvent& textEvent)
{
OnTextInput(textEvent);
}
void Events::Poll()
{
GamePad::Clear();
Joystick::Clear();
Keyboard::Clear();
Mouse::Clear();
while (SDL_PollEvent(&mEvent))
{
switch (mEvent.type)
{
case SDL_QUIT:
OnQuit();
break;
case SDL_APP_TERMINATING:
OnAppTerminating();
break;
case SDL_APP_LOWMEMORY:
OnAppLowMemory();
break;
case SDL_APP_WILLENTERBACKGROUND:
OnAppWillEnterBackground();
break;
case SDL_APP_DIDENTERBACKGROUND:
OnAppDidEnterBackground();
break;
case SDL_APP_WILLENTERFOREGROUND:
OnAppWillEnterForeground();
break;
case SDL_APP_DIDENTERFOREGROUND:
OnAppDidEnterForeground();
break;
case SDL_WINDOWEVENT:
OnWindowEvent();
break;
case SDL_SYSWMEVENT:
OnSysWMEvent();
break;
case SDL_KEYDOWN:
OnKeyDown(mEvent.key.keysym.sym, mEvent.key.keysym.mod, mEvent.key.repeat);
Keyboard::SetKey(mEvent.key.keysym.sym, true);
break;
case SDL_KEYUP:
OnKeyUp(mEvent.key.keysym.sym, mEvent.key.keysym.mod, mEvent.key.repeat);
Keyboard::SetKey(mEvent.key.keysym.sym, false);
break;
case SDL_TEXTEDITING:
OnTextEditing();
break;
case SDL_TEXTINPUT:
OnTextInput();
break;
case SDL_MOUSEMOTION:
OnMouseMotion(mEvent.motion.x, mEvent.motion.y, mEvent.motion.xrel, mEvent.motion.yrel);
Mouse::SetPosition(mEvent.motion.x, mEvent.motion.y);
break;
case SDL_MOUSEBUTTONDOWN:
switch(mEvent.button.button)
{
case SDL_BUTTON_LEFT:
OnMouseLeftButtonDown(mEvent.button.x, mEvent.button.y);
break;
case SDL_BUTTON_RIGHT:
OnMouseRightButtonDown(mEvent.button.x, mEvent.button.y);
break;
case SDL_BUTTON_MIDDLE:
OnMouseMiddleButtonDown(mEvent.button.x, mEvent.button.y);
break;
case SDL_BUTTON_X1:
OnMouseLeftButtonDown(mEvent.button.x, mEvent.button.y);
break;
case SDL_BUTTON_X2:
OnMouseLeftButtonDown(mEvent.button.x, mEvent.button.y);
break;
}
break;
case SDL_MOUSEBUTTONUP:
switch(mEvent.button.button)
{
case SDL_BUTTON_LEFT:
OnMouseLeftButtonUp(mEvent.button.x, mEvent.button.y);
break;
case SDL_BUTTON_RIGHT:
OnMouseRightButtonUp(mEvent.button.x, mEvent.button.y);
break;
case SDL_BUTTON_MIDDLE:
OnMouseMiddleButtonUp(mEvent.button.x, mEvent.button.y);
break;
case SDL_BUTTON_X1:
OnMouseLeftButtonUp(mEvent.button.x, mEvent.button.y);
break;
case SDL_BUTTON_X2:
OnMouseLeftButtonUp(mEvent.button.x, mEvent.button.y);
break;
}
break;
case SDL_MOUSEWHEEL:
OnMouseWheel(mEvent.wheel.x, mEvent.wheel.y);
Mouse::SetScroll(mEvent.wheel.x, mEvent.wheel.y);
break;
case SDL_JOYAXISMOTION:
OnJoyAxisMotion();
break;
case SDL_JOYBALLMOTION:
OnJoyBallMotion();
break;
case SDL_JOYHATMOTION:
OnJoyHatMotion();
break;
case SDL_JOYBUTTONDOWN:
OnJoyBallButtonDown();
break;
case SDL_JOYBUTTONUP:
OnJoyBallButtonUp();
break;
case SDL_JOYDEVICEADDED:
OnJoyDeviceAdded();
break;
case SDL_JOYDEVICEREMOVED:
OnJoyDeviceRemoved();
break;
case SDL_CONTROLLERAXISMOTION:
OnControllerAxisMotion(mEvent.caxis.axis, mEvent.caxis.value, mEvent.caxis.which);
GamePad::SetAxis(mEvent.caxis.axis, mEvent.caxis.value, mEvent.caxis.which);
break;
case SDL_CONTROLLERBUTTONDOWN:
OnControllerButtonDown(mEvent.cbutton.button, mEvent.cbutton.which);
GamePad::SetButton(mEvent.cbutton.button, true, mEvent.cbutton.which);
break;
case SDL_CONTROLLERBUTTONUP:
OnControllerButtonUp(mEvent.cbutton.button, mEvent.cbutton.which);
GamePad::SetButton(mEvent.cbutton.button, false, mEvent.cbutton.which);
break;
case SDL_CONTROLLERDEVICEADDED:
OnControllerDeviceAdded(mEvent.cdevice.which);
GamePad::Add(mEvent.cdevice.which);
break;
case SDL_CONTROLLERDEVICEREMOVED:
OnControllerDeviceRemoved(mEvent.cdevice.which);
GamePad::Remove(mEvent.cdevice.which);
break;
case SDL_CONTROLLERDEVICEREMAPPED:
OnControllerDeviceRemapped(mEvent.cdevice.which);
break;
case SDL_FINGERDOWN:
OnFingerDown();
break;
case SDL_FINGERUP:
OnFingerUp();
break;
case SDL_FINGERMOTION:
OnFingerMotion();
break;
case SDL_DOLLARGESTURE:
OnDollarGesture();
break;
case SDL_DOLLARRECORD:
OnDollarRecord();
break;
case SDL_MULTIGESTURE:
OnMultiGesture();
break;
case SDL_CLIPBOARDUPDATE:
OnClipboardUpdate();
break;
case SDL_DROPFILE:
OnDropFile();
break;
case SDL_USEREVENT:
OnUserEvent();
break;
default:
OnUndefined();
break;
}
}
}
