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116 lines
2.9 KiB
116 lines
2.9 KiB
#define FSM_DEBUG 1
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#include "event_router.hpp"
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#include "dbc.hpp"
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#include "events.hpp"
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namespace gui {
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namespace routing {
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using enum Event;
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using enum State;
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gui::Event Router::process_event(std::optional<sf::Event> ev) {
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$next_event = gui::Event::TICK;
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if(ev->is<sf::Event::Closed>()) {
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return gui::Event::QUIT;
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}
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if(const auto* mouse = ev->getIf<sf::Event::MouseButtonPressed>()) {
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if(mouse->button == sf::Mouse::Button::Left) {
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position = mouse->position;
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event(MOUSE_DOWN);
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}
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} else if(const auto* mouse = ev->getIf<sf::Event::MouseButtonReleased>()) {
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if(mouse->button == sf::Mouse::Button::Left) {
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position = mouse->position;
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event(MOUSE_UP);
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}
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} else if(const auto* mouse = ev->getIf<sf::Event::MouseMoved>()) {
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position = mouse->position;
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event(MOUSE_MOVE);
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}
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if(const auto* key = ev->getIf<sf::Event::KeyPressed>()) {
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scancode = key->scancode;
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event(KEY_PRESS);
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}
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return $next_event;
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}
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void Router::event(Event ev) {
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switch($state) {
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FSM_STATE(State, START, ev);
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FSM_STATE(State, IDLE, ev);
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FSM_STATE(State, MOUSE_ACTIVE, ev);
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FSM_STATE(State, MOUSE_MOVING, ev);
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}
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}
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void Router::START(Event ) {
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state(State::IDLE);
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}
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void Router::IDLE(Event ev) {
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switch(ev) {
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case MOUSE_DOWN:
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set_event(gui::Event::TICK);
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state(State::MOUSE_ACTIVE);
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break;
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case MOUSE_UP:
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dbc::log("mouse up in IDLE");
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break;
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case MOUSE_MOVE:
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dbc::log("mouse move, send moved event");
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break;
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case KEY_PRESS:
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dbc::log("key pressed");
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break;
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default:
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dbc::sentinel("invalid event");
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}
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}
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void Router::MOUSE_ACTIVE(Event ev) {
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switch(ev) {
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case MOUSE_DOWN:
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dbc::log("mouse down in MOUSE_ACTIVE");
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break;
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case MOUSE_UP:
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dbc::log("mouse up, send click event");
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state(State::IDLE);
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break;
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case MOUSE_MOVE:
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state(State::MOUSE_MOVING);
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break;
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case KEY_PRESS:
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dbc::log("send the key but cancel");
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state(State::IDLE);
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break;
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default:
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dbc::sentinel("invalid event");
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}
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}
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void Router::MOUSE_MOVING(Event ev) {
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switch(ev) {
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case MOUSE_DOWN:
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dbc::log("mouse down in MOUSE_MOVING state");
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break;
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case MOUSE_UP:
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dbc::log("mouse up, send drop event");
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state(State::IDLE);
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break;
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case MOUSE_MOVE:
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dbc::log("mouse move, send drag event");
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break;
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case KEY_PRESS:
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dbc::log("send the key but cancel");
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state(State::IDLE);
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break;
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default:
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dbc::sentinel("invalid event");
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}
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}
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}
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}
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