97 lines
2.8 KiB
Plaintext
97 lines
2.8 KiB
Plaintext
#import "modules/std.sx";
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#import "modules/sdl3.sx";
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#import "ui/types.sx";
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MouseButton :: enum {
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none;
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left;
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middle;
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right;
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}
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MouseButtonData :: struct { position: Point; button: MouseButton; }
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MouseMotionData :: struct { position: Point; delta: Point; }
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MouseWheelData :: struct { position: Point; delta: Point; }
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KeyData :: struct { key: u32; }
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ResizeData :: struct { size: Size; }
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Event :: enum {
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none;
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quit;
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mouse_down: MouseButtonData;
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mouse_up: MouseButtonData;
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mouse_moved: MouseMotionData;
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mouse_wheel: MouseWheelData;
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key_down: KeyData;
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key_up: KeyData;
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text_input: string;
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window_resize: ResizeData;
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}
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event_position :: (e: *Event) -> ?Point {
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if e.* == {
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case .mouse_down: (d) { return d.position; }
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case .mouse_up: (d) { return d.position; }
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case .mouse_moved: (d) { return d.position; }
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case .mouse_wheel: (d) { return d.position; }
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}
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null;
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}
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// Translate SDL_Event → our Event type
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translate_sdl_event :: (sdl: *SDL_Event) -> Event {
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if sdl.* == {
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case .quit: {
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return .quit;
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}
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case .key_down: (data) {
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return .key_down(KeyData.{ key = xx data.key });
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}
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case .key_up: (data) {
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return .key_up(KeyData.{ key = xx data.key });
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}
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case .mouse_motion: (data) {
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return .mouse_moved(MouseMotionData.{
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position = Point.{ x = data.x, y = data.y },
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delta = Point.{ x = data.xrel, y = data.yrel }
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});
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}
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case .mouse_button_down: (data) {
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btn :MouseButton = if data.button == {
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case 1: .left;
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case 2: .middle;
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case 3: .right;
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else: .none;
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};
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return .mouse_down(MouseButtonData.{
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position = Point.{ x = data.x, y = data.y },
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button = btn
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});
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}
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case .mouse_button_up: (data) {
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btn :MouseButton = if data.button == {
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case 1: .left;
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case 2: .middle;
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case 3: .right;
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else: .none;
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};
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return .mouse_up(MouseButtonData.{
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position = Point.{ x = data.x, y = data.y },
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button = btn
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});
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}
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case .mouse_wheel: (data) {
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return .mouse_wheel(MouseWheelData.{
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position = Point.{ x = data.mouse_x, y = data.mouse_y },
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delta = Point.{ x = data.x, y = data.y }
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});
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}
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case .window_resized: (data) {
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return .window_resize(ResizeData.{
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size = Size.{ width = xx data.data1, height = xx data.data2 }
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});
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}
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}
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.none;
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}
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