src/c/app-internal.h

1/*

2 * app-internal.h - Internal header for Sigil App package

3 *

4 * Provides application state for windowing, input, and app lifecycle.

5 */

7#ifndef SIGIL_APP_INTERNAL_H

8#define SIGIL_APP_INTERNAL_H

10#include <sigil/sigil.h>

11#include <stdbool.h>

13/*

14 * Application state

15 */

16typedef struct {

17 SigilVM *vm;

19 /* Callbacks from Scheme */

20 Value init_callback;

21 Value frame_callback;

22 Value cleanup_callback;

24 /* Frame timing */

25 double frame_time; /* Seconds since last frame */

26 double time_elapsed; /* Seconds since app start */

28 /* Input state - current frame */

29 bool keys_down[512];

30 bool keys_pressed[512];

31 bool keys_released[512];

33 bool mouse_buttons[3];

34 bool mouse_pressed[3];

35 bool mouse_released[3];

36 float mouse_x;

37 float mouse_y;

39 /* Quit handling */

40 bool quit_requested;

41} AppState;

43/* Global state - initialized by app module */

44extern AppState *g_app;

46/* Initialize/shutdown app state */

47void sigil_app_state_init(SigilVM *vm);

48void sigil_app_state_shutdown(void);

50/* Input handling helpers */

51void sigil_app_clear_frame_input(void);

52int sigil_app_key_code_from_symbol(SigilVM *vm, Value sym);

54#endif /* SIGIL_APP_INTERNAL_H */