#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/extensions/Xrender.h>
#include <X11/extensions/Xcomposite.h>
#include <X11/extensions/Xdamage.h>

/* Macros */
#ifndef FALSE
#define   FALSE 0
#endif

#ifndef TRUE
#define   TRUE 1
#endif

/* Typedefs */
typedef int bool;
typedef int (* error_handler_t) (Display *dpy, XErrorEvent *event);
typedef struct ocm_app_t ocm_app_t;
typedef struct ocm_window_t ocm_window_t;

/* Data structures */
struct ocm_app_t
{
    Display *		display;
    Window		root;
    Window		no_focus;
    uint32_t		timestamp;

    Window		cm_owner;
    Window		wm_owner;

    error_handler_t	error_handler;
    int			error_nesting;

    ocm_window_t *	windows;
    
};

struct ocm_window_t
{
    ocm_app_t *		app;
    
    Window		xwindow;

    ocm_window_t *	next;

    Damage		damage;
};

/* window.c */
ocm_window_t *
ocm_window_new (ocm_app_t *app, Window xwindow);

void
ocm_window_free (ocm_window_t *window);

/* utils.c */
void
ocm_error (const char *fmt, ...);

void *
ocm_malloc (size_t n);

void
ocm_free (void *data);

void
ocm_begin_ignore_errors (ocm_app_t *app);

void
ocm_end_ignore_errors (ocm_app_t *app);

bool
ocm_window_owns_xwindow (ocm_window_t *window,
			 Window xwindow);