/** Copyright 2011-2013 Thorsten Wißmann. All rights reserved.
 *
 * This software is licensed under the "Simplified BSD License".
 * See LICENSE for details */

#ifndef __HERBSTLUFT_GLOBALS_H_
#define __HERBSTLUFT_GLOBALS_H_

#include <stdbool.h>
#include <X11/Xlib.h>

#define HERBSTLUFT_AUTOSTART "herbstluftwm/autostart"
#define WINDOW_MANAGER_NAME "herbstluftwm"
#define HERBSTLUFT_VERSION_STRING \
    WINDOW_MANAGER_NAME " " HERBSTLUFT_VERSION " (built on " BUILD_DATE ")"

#define HERBST_FRAME_CLASS "_HERBST_FRAME"
#define HERBST_DECORATION_CLASS "_HERBST_DECORATION"
#define WINDOW_MIN_HEIGHT 32
#define WINDOW_MIN_WIDTH 32

#define ROOT_EVENT_MASK (SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask|EnterWindowMask|LeaveWindowMask|StructureNotifyMask)
//#define CLIENT_EVENT_MASK (PropertyChangeMask | FocusChangeMask | StructureNotifyMask)
#define CLIENT_EVENT_MASK (StructureNotifyMask|FocusChangeMask|EnterWindowMask|PropertyChangeMask)

// minimum relative fraction of split frames
#define FRAME_MIN_FRACTION 0.1

#define HERBST_MAX_TREE_HEIGHT 3

// connection to x-server
extern Display*    g_display;
extern int         g_screen;
extern Window      g_root;
extern int         g_screen_width;
extern int         g_screen_height;
extern bool        g_aboutToQuit;
extern int  g_verbose;

// bufsize to get some error strings
#define ERROR_STRING_BUF_SIZE 1000
// size for some normal string buffers
#define STRING_BUF_SIZE 1000

#define HSDebug(...) \
    do { \
        if (g_verbose) { \
            fprintf(stderr, "%s: %d: ", __FILE__, __LINE__); \
            fprintf(stderr, __VA_ARGS__); \
        } \
    } while(0)

#define HSError(...) \
    do { \
        fprintf(stderr, "%s: %d: ", __FILE__, __LINE__); \
        fprintf(stderr, __VA_ARGS__); \
    } while(0)

#define HSWarning(...) \
    do { \
        fprintf(stderr, "%s: %d: ", __FILE__, __LINE__); \
        fprintf(stderr, __VA_ARGS__); \
    } while(0)

// macro for very slow asserts, which are only executed if DEBUG is defined
#ifdef DEBUG
#define slow_assert(X)                                                  \
    do {                                                                \
        if (!(X)) {                                                     \
            fprintf(stderr, "%s:%d: %s: Slow assertion `%s\' failed.",  \
                    __FILE__, __LINE__, __func__, #X);                  \
            abort();                                                    \
        }                                                               \
    } while (0)
#else // DEBUG
#define slow_assert(ignore)((void) 0)
#endif // DEBUG

#define HSWeakAssert(X)                                                 \
    do {                                                                \
        if (!(X)) {                                                     \
            fprintf(stderr, "%s:%d: %s: assertion `%s\' failed.",       \
                    __FILE__, __LINE__, __func__, #X);                  \
        }                                                               \
    } while (0)

#define HSAssert(X)                                                 \
    do {                                                                \
        if (!(X)) {                                                     \
            fprintf(stderr, "%s:%d: %s: assertion `%s\' failed.",       \
                    __FILE__, __LINE__, __func__, #X);                  \
            exit(1);                                                    \
        }                                                               \
    } while (0)

// characters that need to be escaped
// http://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html
#define ESCAPE_CHARACTERS "|&;<>()$`\\\"\' \t\n"

#endif