/* Sysmon window stuff. */

#ifndef WINDOW_H
#define WINDOW_H

#include <curses.h>
#include <sys/time.h>

#ifndef ETREE_H
# include "etree.h"
#endif

/*************************************************************************/

typedef struct {
    int what;			/* See WA_* below */
    int nargs;
    ETree **args;
} WinAction;

#define WA_CLEAR	0
#define WA_CURSOR	1
#define WA_COLOR	2
#define WA_BORDERCOLOR	3
#define WA_TITLECOLOR	4
#define WA_PRINTF	5
#define WA_BEEP		6

#define WA_SETSTATE	50

#define WA_IF		100	/* args[0] = condition, args[1] = # actions */
#define WA_ELSE		101	/* args[0] = # actions */
#define WA_NOELSE	102	/* ELSE that should not be executed */

/*************************************************************************/

/* Color definitions: */
#define C_BLACK		0x1000000
#define C_BLUE		0x1000001
#define C_GREEN		0x1000002
#define C_CYAN		0x1000003
#define C_RED		0x1000004
#define C_MAGENTA	0x1000005
#define C_YELLOW	0x1000006
#define C_GREY		0x1000007
#define C_WHITE		0x1000008

/*************************************************************************/

typedef struct window_struct Window;

struct window_struct {
    Window *next, *prev;
    char *name;
    int flags;			/* See WF_* below */
    int x, y, width, height;	/* Position and dimensions */
    char *title;		/* Title string */
    int cx, cy;			/* Current cursor position */
    int fg, bg;			/* Foreground and background colors */
    int borderfg, borderbg;	/* Colors for border */
    int titlefg, titlebg;	/* Colors for title */
    WinAction **drawlist;	/* What to do to draw the window's contents */
    int drawlist_size;		/* Size of the array */

    WINDOW *curses_win;		/* [n]curses window structure */
    int attr;			/* Last attribute value used */
    struct timeval lastdraw;	/* Last time we refreshed */
    int refresh;		/* How often to refresh, in milliseconds */
};

#define WF_BORDER	1	/* Draw a border */
#define WF_WRAP		2	/* Wrap text at right edge */
#define WF_SCROLL	4	/* Scroll when texts hits bottom */

/*************************************************************************/
/*************************************************************************/

/* Size of the screen */
extern int scrwidth, scrheight;

/* Is color available? */
extern int has_color;

/* List of all windows. */
extern Window *winlist;

/* Window which is currently being redrawn. */
extern Window *current_window;

/*************************************************************************/

/* Set up the screen stuff. */
extern void screen_setup(void);

/* Redraw everything on the screen. */
extern void screen_refresh(void);

/* Like screen_refresh(), but clear the screen first. */
extern void screen_redraw(void);

/* Allocate a new Window structure and link it to the global list. */
extern Window *win_new(void);

/* Draw a window on the screen. */
extern void win_open(Window *w);

/* Update a window's contents. */
extern void win_refresh(Window *w);

/* Remove a window from the screen. */
extern void win_close(Window *w);

/* Free a window's data. */
extern void win_kill(Window *w);

/* Find a window by name. */
extern Window *win_find(const char *name);

/*************************************************************************/

#endif	/* WINDOW_H */