#include <cairo/cairo.h>
#include <xcb/xcb.h>

#include "btk-cell.h"

/* window states mask */
enum btk_window_states {
	BTK_WINDOW_STATE_INITIAL  = 0,
	BTK_WINDOW_STATE_MAPPED   = 1U << 0,
	BTK_WINDOW_STATE_DISABLED = 1U << 1,
	BTK_WINDOW_STATE_FOCUSED  = 1U << 2,
	BTK_WINDOW_STATE_LOCKED   = 1U << 3
};

typedef struct {
	/* xcb + cairo */
	xcb_connection_t *x_con;
	int pad0;
	xcb_window_t      x_win;
	cairo_surface_t  *c_srf;
	int pad1;
	cairo_t          *c_ctx;
	int pad2;
	/* self info */
	int               state;
	btk_size_t        ps;         /* actual pixel dimensions */
	btk_size_t        ms;         /* minimum pixel dimensions */
	btk_size_t        es;         /* extra pixel dimensions */
	btk_size_t        cs;         /* dimensions in cells */
	btk_pos_t         sc;         /* stretch row and column positions in cells */
	btk_area_t        sa;         /* area of the stretched core */
	btk_pos_t         pt;         /* pointer position in pixels */
	/* contents */
	btk_cell_t       *cells;      /* array of cell */
	unsigned int      cells_n;    /* number of cells */
	int               cell_focus; /* id of currently focused cell */
	int               cell_press; /* id of cell under the pointer when press */
	int               focus_in;   /* = 1 if the focus is 'inside' the cell */
	void            (*func_kill)(void);
} btk_window_t;

btk_window_t* btk_window_create (xcb_connection_t *,
                                 xcb_screen_t *,
								 xcb_visualtype_t *,
								 unsigned int,
								 unsigned int,
								 int,
								 int,
								 unsigned int,
								 unsigned int,
								 unsigned int,
								 void (*)(void));

void btk_window_destroy           (btk_window_t *);
void btk_window_disable           (btk_window_t *);
void btk_window_enable            (btk_window_t *);
void btk_window_init_cells        (btk_window_t *);
void btk_window_input_button      (btk_window_t *, int, int);
void btk_window_input_key         (btk_window_t *, xcb_keysym_t);
void btk_window_input_pointer     (btk_window_t *, btk_pos_t);
void btk_window_redraw            (btk_window_t *);
void btk_window_redraw_cell       (btk_window_t *, unsigned int);
void btk_window_redraw_cell_focus (btk_window_t *, btk_cell_t*);
int  btk_window_resize            (btk_window_t *); /* returns 1 if size actually changed */
void btk_window_set_name          (btk_window_t *, char *);
void btk_window_update_cell_area  (btk_window_t *, btk_cell_t*);