Mouse.cpp

#include "Mouse.h"
 
#include <cstring>
 
void Cogs::Mouse::update() {
  //Reset current state
  state.wheel = 0;
 
  // Process events
  for (const Event& event : eventQueue) {
    switch (event.type)
    {
    case Event::Type::Press: {
      Event::ButtonData data = std::get<Event::ButtonData>(event.data);
      state.buttonDown[data.button] = true;
      break;
    }
    case Event::Type::Release: {
      Event::ButtonData data = std::get<Event::ButtonData>(event.data);
      state.buttonDown[data.button] = false;
      break;
    }
    case Event::Type::Move: {
      Event::MoveData data = std::get<Event::MoveData>(event.data);
      state.position = data.newPosition;
      break;
    }
    case Event::Type::Wheel: {
      Event::WheelData data = std::get<Event::WheelData>(event.data);
      state.wheel += data.offset;
      break;
    }
    case Event::Type::Reset: {
      std::memset(state.buttonDown, 0, sizeof(state.buttonDown));
      state.wheel = 0;
      break;
    }
    default:
      break;
    }
  }
 
  // Reset events
  events = std::move(eventQueue);
  eventQueue = {};
}
 
void Cogs::Mouse::submitButtonDown(MouseButton button, double timestamp_ms) {
  eventQueue.push_back({Event::Type::Press, timestamp_ms, state.position, Event::ButtonData{button}});
}
 
void Cogs::Mouse::submitButtonUp(MouseButton button, double timestamp_ms) {
  eventQueue.push_back({Event::Type::Release, timestamp_ms, state.position, Event::ButtonData{button}});
}
 
void Cogs::Mouse::submitMove(const glm::ivec2& position, double timestamp_ms) {
  eventQueue.push_back({Event::Type::Move, timestamp_ms, state.position, Event::MoveData{position}});
}
 
void Cogs::Mouse::submitWheel(int offset, double timestamp_ms) {
  eventQueue.push_back({Event::Type::Wheel, timestamp_ms, state.position, Event::WheelData{offset}});
}
 
void Cogs::Mouse::submitReset(double timestamp_ms) {
  eventQueue.push_back({Event::Type::Reset, timestamp_ms, state.position, {}});
}