Files
game/ui/events.sx
2026-02-24 19:22:05 +02:00

107 lines
2.7 KiB
Plaintext

#import "modules/std.sx";
#import "modules/sdl3.sx";
#import "ui/types.sx";
EventType :: enum {
none;
mouse_down;
mouse_up;
mouse_moved;
mouse_wheel;
key_down;
key_up;
text_input;
window_resize;
quit;
}
MouseButton :: enum {
none;
left;
middle;
right;
}
Event :: struct {
type: EventType;
position: Point;
delta: Point;
button: MouseButton;
key: u32;
text: string;
timestamp: u64;
make :: (type: EventType) -> Event {
e : Event = ---;
memset(@e, 0, size_of(Event));
e.type = type;
e;
}
}
// Translate SDL_Event → our Event type
translate_sdl_event :: (sdl: *SDL_Event) -> Event {
if sdl.* == {
case .quit: {
return Event.make(.quit);
}
case .key_down: (data) {
e := Event.make(.key_down);
e.key = xx data.key;
e.timestamp = data.timestamp;
return e;
}
case .key_up: (data) {
e := Event.make(.key_up);
e.key = xx data.key;
e.timestamp = data.timestamp;
return e;
}
case .mouse_motion: (data) {
e := Event.make(.mouse_moved);
e.position = Point.{ x = data.x, y = data.y };
e.delta = Point.{ x = data.xrel, y = data.yrel };
e.timestamp = data.timestamp;
return e;
}
case .mouse_button_down: (data) {
e := Event.make(.mouse_down);
e.position = Point.{ x = data.x, y = data.y };
e.button = if data.button == {
case 1: .left;
case 2: .middle;
case 3: .right;
else: .none;
};
e.timestamp = data.timestamp;
return e;
}
case .mouse_button_up: (data) {
e := Event.make(.mouse_up);
e.position = Point.{ x = data.x, y = data.y };
e.button = if data.button == {
case 1: .left;
case 2: .middle;
case 3: .right;
else: .none;
};
e.timestamp = data.timestamp;
return e;
}
case .mouse_wheel: (data) {
e := Event.make(.mouse_wheel);
e.delta = Point.{ x = data.x, y = data.y };
e.position = Point.{ x = data.mouse_x, y = data.mouse_y };
e.timestamp = data.timestamp;
return e;
}
case .window_resized: (data) {
e := Event.make(.window_resize);
e.position = Point.{ x = xx data.data1, y = xx data.data2 };
e.timestamp = data.timestamp;
return e;
}
}
Event.make(.none);
}