window.h

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#ifndef WINDOW_H
#define WINDOW_H
 
union CONTROL_DATA {
   int32_t scalar;
   MEMORY_HANDLE string;
   int16_t grid[4];
};
 
struct WINDOW_FRAME {
   uint16_t tr;
   uint16_t tl;
   uint16_t br;
   uint16_t bl;
   uint16_t t;
   uint16_t b;
   uint16_t r;
   uint16_t l;
   uint16_t c;
};
 
struct WINDOW {
   uint16_t id;
   uint16_t parent_id;
   uint8_t type;
   uint8_t flags;
   uint8_t render_flags;
   GRAPHICS_COLOR fg;
   GRAPHICS_COLOR bg;
   uint16_t coords[4];
   union CONTROL_DATA data;
};
 
#define GUI_X 0
#define GUI_Y 1
#define GUI_W 2
#define GUI_H 3
 
#define WINDOW_NUM_BUFFER_SZ       10
 
#define WINDOW_FLAG_ACTIVE       0x01
#define WINDOW_FLAG_DIRTY  0x04
#define WINDOW_FLAG_MODAL  0x08
#define WINDOW_FLAG_CHECKED       0x10
 
#define WINDOW_FLAG_TEXT_NUM        0x10
 
#define WINDOW_FLAG_TEXT_PTR        0x20
 
#define WINDOW_FLAG_TEXT_MASK       0x30
 
#define WINDOW_FLAG_SPRITE_DIR_MASK 0x30
 
#define WINDOW_FLAG_SPRITE_SOUTH    0x00
#define WINDOW_FLAG_SPRITE_NORTH    0x10
#define WINDOW_FLAG_SPRITE_EAST     0x20
#define WINDOW_FLAG_SPRITE_WEST     0x30
 
#define WINDOW_FLAG_SPRITE_BORDER_SINGLE  0x40
 /* unilayer_gui_windows_flags */
 
#define WINDOW_STRING_SZ_MAX 100
 
#define WINDOW_PLACEMENT_CENTER           0x8000
 
#define WINDOW_PLACEMENT_RIGHT_BOTTOM     0x2000
 
#define WINDOW_PLACEMENT_GRID_RIGHT_DOWN  0xc000
 
#define WINDOW_PLACEMENT_GRID             0x4000
 
#define WINDOW_PLACEMENT_AUTO_MASK        0xe000
 
#define WINDOW_PLACEMENT_PHYS_MASK        0x1fff
 
#define WINDOW_SIZE_AUTO                  0x8000
 
#define WINDOW_SIZE_AUTO_MASK             (WINDOW_PLACEMENT_AUTO_MASK)
 
#define WINDOW_SIZE_PHYS_MASK             (WINDOW_PLACEMENT_PHYS_MASK)
 
#define window_screen_reset_grid() memory_zero_ptr( g_window_screen_grid, 4 * sizeof( int16_t ) );
 
#define window_update_coords( window, x_y_w_h, coord ) (window)->coords[x_y_w_h] = ((window)->coords[x_y_w_h] & WINDOW_PLACEMENT_AUTO_MASK) | (WINDOW_PLACEMENT_PHYS_MASK & (coord));
 
#define window_get_coords( window, x_y_w_h ) (((window)->coords[x_y_w_h] & WINDOW_PLACEMENT_PHYS_MASK))
 /* unilayer_gui_windows_placement */
 
#ifdef WINDOW_TRACE
#  define window_trace_printf( lvl, ... ) debug_printf( lvl, __VA_ARGS__ )
#else
#  define window_trace_printf( ... )
#endif /* WINDOW_TRACE */
 
#ifdef DEPTH_VGA
#  define WINDOW_PREFAB_DEFAULT_FG() GRAPHICS_COLOR_WHITE
#  define WINDOW_PREFAB_DEFAULT_BG() GRAPHICS_COLOR_MAGENTA
#  define WINDOW_PREFAB_DEFAULT_HL() GRAPHICS_COLOR_CYAN
#elif defined( DEPTH_CGA )
#  define WINDOW_PREFAB_DEFAULT_FG() GRAPHICS_COLOR_BLACK
#  define WINDOW_PREFAB_DEFAULT_BG() GRAPHICS_COLOR_MAGENTA
#  define WINDOW_PREFAB_DEFAULT_HL() GRAPHICS_COLOR_CYAN
#elif defined( DEPTH_MONO )
   /* TODO: Verify this looks OK. */
#  define WINDOW_PREFAB_DEFAULT_FG() GRAPHICS_COLOR_WHITE
#  define WINDOW_PREFAB_DEFAULT_BG() GRAPHICS_COLOR_BLACK
#  define WINDOW_PREFAB_DEFAULT_HL() GRAPHICS_COLOR_WHITE
#endif /* DEPTH */
 
int16_t window_init(
   uint16_t auto_x, uint16_t auto_y, uint16_t auto_w, uint16_t auto_h
) SECTION_WINDOW;
 
int16_t window_reload_frames() SECTION_WINDOW;
 
void window_shutdown() SECTION_WINDOW;
 
int16_t window_draw_all();
 
int16_t window_push(
   uint16_t id, uint16_t parent_id, uint8_t type, uint8_t flags,
   uint16_t x, uint16_t y, uint16_t w, uint16_t h,
   GRAPHICS_COLOR fg, GRAPHICS_COLOR bg, uint8_t render_flags,
   int32_t data_scalar, const char* data_string ) SECTION_WINDOW;
 
void window_pop( uint16_t id ) SECTION_WINDOW;
 
void window_refresh( uint16_t w_id ) SECTION_WINDOW;
 
#if 0
int16_t window_modal();
#endif
 
#define window_modal() (g_window_modals)
 
#define WINDOW_CB_TABLE_4( f ) f( 4, WINDOW )
 
#define WINDOW_CB_TABLE_3( f ) f( 3, SPRITE ) WINDOW_CB_TABLE_4( f )
 
#define WINDOW_CB_TABLE_2( f ) f( 2, CHECK ) WINDOW_CB_TABLE_3( f  )
 
#define WINDOW_CB_TABLE_1( f ) f( 1, BUTTON ) WINDOW_CB_TABLE_2( f )
 
#define WINDOW_CB_TABLE( f ) f( 0, LABEL ) WINDOW_CB_TABLE_1( f )
 /* unilayer_gui_windows_types */
 
typedef int16_t (*WINDOW_CB_DRAW)( uint16_t w_id, struct WINDOW* windows );
 
typedef uint8_t (*WINDOW_CB_SZ)(
   uint16_t w_id, struct WINDOW* windows, uint8_t w_h, uint16_t* out );
 
#ifdef WINDOW_C
 
static MEMORY_HANDLE g_frames_handle = (MEMORY_HANDLE)NULL;
static MEMORY_HANDLE g_windows_handle = (MEMORY_HANDLE)NULL;
 
uint8_t g_window_modals = 0;
 
static uint16_t g_window_screen_coords[4] = {
   0, 0, SCREEN_W, SCREEN_H
};
 
static int16_t g_window_screen_grid[4] = {
   0, 0, 0, 0
};
 
#  define WINDOW_CB_DRAW_TABLE_PROTOTYPES( idx, name ) int16_t window_draw_ ## name( uint16_t w_id, struct WINDOW* windows );
 
WINDOW_CB_TABLE( WINDOW_CB_DRAW_TABLE_PROTOTYPES );
 
#  define WINDOW_CB_SZ_TABLE_PROTOTYPES( idx, name ) uint8_t window_sz_ ## name( uint16_t w_id, struct WINDOW* windows, uint8_t w_h, uint16_t* out ) SECTION_WINDOW;
 
WINDOW_CB_TABLE( WINDOW_CB_SZ_TABLE_PROTOTYPES );
 
#  define WINDOW_CB_DRAW_TABLE_LIST( idx, name ) window_draw_ ## name,
 
static const WINDOW_CB_DRAW gc_window_draw_callbacks[] = {
   WINDOW_CB_TABLE( WINDOW_CB_DRAW_TABLE_LIST )
};
 
#  define WINDOW_CB_SZ_TABLE_LIST( idx, name ) window_sz_ ## name,
 
static const WINDOW_CB_SZ gc_window_sz_callbacks[] = {
   WINDOW_CB_TABLE( WINDOW_CB_SZ_TABLE_LIST )
};
 
#  define WINDOW_CB_TABLE_CONSTS( idx, name ) RES_CONST uint16_t WINDOW_TYPE_ ## name = idx;
 
WINDOW_CB_TABLE( WINDOW_CB_TABLE_CONSTS );
 
#else
 
extern uint8_t g_window_modals;
 
#  define WINDOW_CB_TABLE_CONSTS( idx, name ) extern RES_CONST uint16_t WINDOW_TYPE_ ## name;
 
WINDOW_CB_TABLE( WINDOW_CB_TABLE_CONSTS )
 
#endif /* WINDOW_C */
 
#endif /* WINDOW_H */