ra8_widget_keyboard.h

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#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdint.h>
 
#include "ra8_err.h"
#include "ra8_ui.h"
#include "ra8_widget.h"

typedef enum : uint8_t {
  k_ra8_widget_key_no_hit = 255U, 
} ra8_widget_key_sentinel_t;

typedef struct ra8_widget_key_info {
  ra8_ui_rect_t rect;  
  const char*   label; 
  char          glyph; 
  uint8_t       pad0;  
  uint16_t      pad1;  
} ra8_widget_key_info_t;

typedef struct ra8_widget_keyboard_ops {
  void* user;
  uint8_t (*count)(void* user);
  void (*key_info)(void* user, uint8_t idx, ra8_widget_key_info_t* out);
  uint8_t (*hit)(void* user, int32_t x, int32_t y);
  bool (*apply)(void* user, uint8_t idx);
} ra8_widget_keyboard_ops_t;

typedef struct ra8_widget_keyboard {
  const ra8_widget_paint_t*        paint;  
  const ra8_widget_keyboard_ops_t* ops;    
  void (*on_commit)(struct ra8_widget* w); 
  uint32_t bg;                             
  uint32_t key_face;                       
  uint32_t key_border;                     
  uint32_t key_fg;                         
  int16_t  border_w;                       
  uint16_t reserved;                       
} ra8_widget_keyboard_t;

const ra8_widget_vtable_t* ra8_widget_keyboard_vtable(void);

[[nodiscard]] ra8_err_t ra8_widget_keyboard_init(ra8_widget_t* w, ra8_widget_keyboard_t* kbd);
 
#ifdef __cplusplus
}
#endif