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#pragma once
#include "mm/mmvec.hpp"
#include <memory>
extern "C" {
#include <SDL2/SDL_events.h>
}
namespace wsdl2 {
// forward declaration
class window;
}
namespace wsdl2::event {
class event_t {
SDL_Event m_event;
protected:
SDL_Event& sdl() { return m_event; }
const SDL_Event& sdl() const { return m_event; }
public:
event_t(const SDL_Event& e);
// polymorphic
virtual ~event_t() {}
// copy constructor
event_t(const event_t& e);
uint32_t type() const;
};
struct e_key : public event_t
{
enum class action_t : unsigned
{
up = SDL_KEYUP,
down = SDL_KEYDOWN
};
using event_t::event_t;
e_key(const event_t& e) : event_t(e) {}
action_t action() const;
// key pressed or released
SDL_Keycode get() const;
};
namespace mouse {
enum class action_t : unsigned
{
button_up = SDL_MOUSEBUTTONUP,
button_down = SDL_MOUSEBUTTONDOWN,
motion = SDL_MOUSEMOTION,
wheel = SDL_MOUSEWHEEL
};
struct e_mouse : public event_t
{
virtual ~e_mouse() {}
using event_t::event_t;
e_mouse(const event_t& e) : event_t(e) {}
action_t action() const;
virtual mm::vec2<int> location() const = 0;
};
struct e_button : public e_mouse
{
using e_mouse::e_mouse;
e_button(const event_t& e) : e_mouse(e) {}
enum class button_t : unsigned
{
left = SDL_BUTTON_LEFT,
middle = SDL_BUTTON_MIDDLE,
right = SDL_BUTTON_RIGHT,
x1 = SDL_BUTTON_X1,
x2 = SDL_BUTTON_X2
};
mm::vec2<int> clicks() const;
button_t which() const;
virtual mm::vec2<int> location() const override;
};
struct e_motion : public e_mouse
{
using e_mouse::e_mouse;
e_motion(const event_t& e) : e_mouse(e) {}
// delta (x, y)
mm::vec2<int> movement() const;
virtual mm::vec2<int> location() const override;
};
struct e_wheel : public e_mouse
{
using e_mouse::e_mouse;
e_wheel(const event_t& e) : e_mouse(e) {}
int horizontal() const;
int vertical() const;
virtual mm::vec2<int> location() const override;
};
}
struct e_quit : public event_t
{
using event_t::event_t;
e_quit(const event_t& e) : event_t(e) {}
};
namespace window {
enum class action_t : unsigned
{
shown = SDL_WINDOWEVENT_SHOWN,
hidden = SDL_WINDOWEVENT_HIDDEN,
exposed = SDL_WINDOWEVENT_EXPOSED,
moved = SDL_WINDOWEVENT_MOVED,
resized = SDL_WINDOWEVENT_RESIZED,
size_changed = SDL_WINDOWEVENT_SIZE_CHANGED,
minimized = SDL_WINDOWEVENT_MINIMIZED,
maximized = SDL_WINDOWEVENT_MAXIMIZED,
restored = SDL_WINDOWEVENT_RESTORED,
enter = SDL_WINDOWEVENT_ENTER,
leave = SDL_WINDOWEVENT_LEAVE,
focus_gained = SDL_WINDOWEVENT_FOCUS_GAINED,
focus_lost = SDL_WINDOWEVENT_FOCUS_LOST,
close = SDL_WINDOWEVENT_CLOSE,
take_focus = SDL_WINDOWEVENT_TAKE_FOCUS,
hit_test = SDL_WINDOWEVENT_HIT_TEST
};
struct e_window : public event_t
{
using event_t::event_t;
e_window(const event_t& e) : event_t(e) {}
// TODO, mapping sdl window id with wsdl2 object
wsdl2::window * window();
action_t action() const;
};
// window positional event
struct e_move : public e_window
{
using e_window::e_window;
e_move(const event_t& e) : e_window(e) {}
mm::vec2<uint32_t> position();
};
// window bound event
struct e_resize : public e_window
{
using e_window::e_window;
e_resize(const event_t& e) : e_window(e) {}
mm::vec2<uint32_t> size();
};
}
// TODO other handlers
std::shared_ptr<event_t> poll_event();
}
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