medit/moo/mooutils/mooutils-misc.c

/*
 *   mooutils-misc.c
 *
 *   Copyright (C) 2004-2007 by Yevgen Muntyan <muntyan@math.tamu.edu>
 *
 *   This library is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Lesser General Public
 *   License version 2.1 as published by the Free Software Foundation.
 *
 *   See COPYING file that comes with this distribution.
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include "mooutils/mooutils-misc.h"
#include "mooutils/mooutils-fs.h"
#include "mooutils/mooutils-debug.h"
#include "mooutils/moologwindow-glade.h"
#include "mooutils/mooglade.h"
#include "mooutils/mooi18n.h"
#include <gtk/gtk.h>
#include <glib/gmappedfile.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <string.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <stdlib.h>
#include <errno.h>

#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
#endif

#ifdef __WIN32__
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <shellapi.h>
#endif


G_LOCK_DEFINE_STATIC (moo_user_data_dir);
static char *moo_user_data_dir;


#ifdef __WIN32__

static gboolean
open_uri (const char *uri,
          G_GNUC_UNUSED gboolean email)
{
    return _moo_win32_open_uri (uri);
}

#else /* ! __WIN32__ */

char *
_moo_find_script (const char *name,
                  gboolean    search_path)
{
    char *path = NULL;

    g_return_val_if_fail (name != NULL, NULL);

    if (search_path)
        path = g_find_program_in_path (name);

    if (!path)
    {
        char **dirs, **p;

        dirs = moo_get_data_subdirs ("scripts", MOO_DATA_SHARE, NULL);

        for (p = dirs; p && *p; ++p)
        {
            path = g_build_filename (*p, name, NULL);

            if (g_file_test (path, G_FILE_TEST_IS_EXECUTABLE))
                break;

            g_free (path);
            path = NULL;
        }

        g_strfreev (dirs);
    }

    if (!path)
    {
        g_warning ("%s: could not find %s script", G_STRLOC, name);
        path = g_strdup (name);
    }

    _moo_message ("%s: %s", name, path);
    return path;
}

enum {
    SCRIPT_XDG_OPEN,
    SCRIPT_XDG_EMAIL
};

static const char *
get_xdg_script (int type)
{
    static char *path[2];

    g_return_val_if_fail (type < 2, NULL);

    if (!path[0])
    {
        path[SCRIPT_XDG_OPEN] = _moo_find_script ("xdg-open", TRUE);
        path[SCRIPT_XDG_EMAIL] = _moo_find_script ("xdg-email", TRUE);
    }

    return path[type];
}

static gboolean
open_uri (const char *uri,
          gboolean    email)
{
    gboolean result = FALSE;
    const char *argv[3];
    GError *err = NULL;

    argv[0] = get_xdg_script (email ? SCRIPT_XDG_EMAIL : SCRIPT_XDG_OPEN);
    argv[1] = uri;
    argv[2] = NULL;

    result = g_spawn_async (NULL, (char**) argv, NULL, (GSpawnFlags) 0, NULL, NULL,
                            NULL, &err);

    if (err)
    {
        g_warning ("%s: error in g_spawn_async", G_STRLOC);
        g_warning ("%s: %s", G_STRLOC, err->message);
        g_error_free (err);
    }

    return result;
}

#endif /* ! __WIN32__ */


gboolean
moo_open_email (const char *address,
                const char *subject,
                const char *body)
{
    GString *uri;
    gboolean res;

    g_return_val_if_fail (address != NULL, FALSE);
    uri = g_string_new ("mailto:");
    g_string_append_printf (uri, "%s%s", address,
                            subject || body ? "?" : "");
    if (subject)
        g_string_append_printf (uri, "subject=%s%s", subject,
                                body ? "&" : "");
    if (body)
        g_string_append_printf (uri, "body=%s", body);

    res = open_uri (uri->str, TRUE);
    g_string_free (uri, TRUE);
    return res;
}


gboolean
moo_open_url (const char *url)
{
    g_return_val_if_fail (url != NULL, FALSE);
    return open_uri (url, FALSE);
}


gboolean
moo_open_file (const char *path)
{
    char *uri;
    gboolean ret;

    g_return_val_if_fail (path != NULL, FALSE);

    uri = g_filename_to_uri (path, NULL, NULL);
    g_return_val_if_fail (uri != NULL, FALSE);

    ret = open_uri (uri, FALSE);

    g_free (uri);
    return ret;
}


/********************************************************************/
/* Windowing stuff
 */

#ifdef GDK_WINDOWING_X11

#include <X11/Xatom.h>
#include <gdk/gdkx.h>


/* TODO TODO is it 64-bits safe? */
/* TODO TODO rewrite all of this */
/* TODO TODO is X needed here at all? */

static void
add_xid (GtkWindow  *window,
         GArray     *array)
{
    XID xid;

    if (GTK_IS_WINDOW(window) && GTK_WIDGET(window)->window)
    {
        xid = GDK_WINDOW_XID (GTK_WIDGET(window)->window);
        g_array_append_val (array, xid);
    }
}


static gboolean
contains (GArray *xids, XID w)
{
    guint i;
    XID *wins = (XID*) xids->data;

    for (i = 0; i < xids->len; ++i)
        if (wins[i] == w)
            return TRUE;

    return FALSE;
}


static gboolean
is_minimized (Display *display, XID w)
{
    Atom actual_type_return;
    int actual_format_return;
    gulong nitems_return;
    gulong bytes_after_return;
    Atom *data;
    guchar *cdata;
    int ret;
    gulong i;

    static Atom wm_state = None;
    static Atom wm_state_hidden = None;

    if (wm_state == None)
    {
        wm_state = XInternAtom (display, "_NET_WM_STATE", FALSE);
        wm_state_hidden = XInternAtom (display, "_NET_WM_STATE_HIDDEN", FALSE);
    }

    gdk_error_trap_push ();

    ret = XGetWindowProperty (display, w,
                              wm_state, 0,
                              G_MAXLONG, FALSE, XA_ATOM,
                              &actual_type_return,
                              &actual_format_return,
                              &nitems_return,
                              &bytes_after_return,
                              &cdata);
    data = (Atom*) cdata;

    if (gdk_error_trap_pop () || ret != Success)
    {
        g_warning ("%s: oops", G_STRLOC);
        return FALSE;
    }

    if (!nitems_return)
    {
        XFree (data);
        return FALSE;
    }

    if (actual_type_return != XA_ATOM)
    {
        g_critical ("%s: actual_type_return != XA_WINDOW", G_STRLOC);
        XFree (data);
        return FALSE;
    }

    for (i = 0; i < nitems_return; ++i)
    {
        if (data[i] == wm_state_hidden)
        {
            XFree (data);
            return TRUE;
        }
    }

    XFree (data);
    return FALSE;
}


static GtkWindow*
find_by_xid (GSList *windows, XID w)
{
    GSList *l;

    for (l = windows; l != NULL; l = l->next)
        if (GDK_WINDOW_XID (GTK_WIDGET(l->data)->window) == w)
            return l->data;

    return NULL;
}


GtkWindow *
_moo_get_top_window (GSList *windows)
{
    GArray *xids;
    Display *display;
    Atom actual_type_return;
    int actual_format_return;
    gulong nitems_return;
    gulong bytes_after_return;
    XID *data;
    guchar *cdata;
    int ret;
    long i;
    GSList *l;

    static Atom list_stacking_atom = None;

    g_return_val_if_fail (windows != NULL, NULL);

    if (!windows->next)
        return windows->data;

    for (l = windows; l != NULL; l = l->next)
    {
        if (!GTK_IS_WINDOW (l->data))
        {
            g_critical ("%s: invalid parameter passed", G_STRLOC);
            return NULL;
        }
    }

    xids = g_array_new (FALSE, FALSE, sizeof (XID));
    g_slist_foreach (windows, (GFunc) add_xid, xids);

    if (!xids->len)
    {
        g_critical ("%s: zero length array of x ids", G_STRLOC);
        g_array_free (xids, TRUE);
        return NULL;
    }

    display = GDK_WINDOW_XDISPLAY (GTK_WIDGET(windows->data)->window);

    if (!display)
    {
        g_critical ("%s: !display", G_STRLOC);
        g_array_free (xids, TRUE);
        return NULL;
    }

    if (list_stacking_atom == None)
        list_stacking_atom = XInternAtom (display, "_NET_CLIENT_LIST_STACKING", FALSE);

    gdk_error_trap_push ();

    ret = XGetWindowProperty (display, GDK_ROOT_WINDOW(),
                              list_stacking_atom, 0,
                              G_MAXLONG, FALSE, XA_WINDOW,
                              &actual_type_return,
                              &actual_format_return,
                              &nitems_return,
                              &bytes_after_return,
                              &cdata);
    data = (XID*) cdata;

    if (gdk_error_trap_pop () || ret != Success)
    {
        g_critical ("%s: error in XGetWindowProperty", G_STRLOC);
        g_array_free (xids, TRUE);
        return NULL;
    }

    if (!nitems_return)
    {
        g_critical ("%s: !nitems_return", G_STRLOC);
        XFree (data);
        g_array_free (xids, TRUE);
        return NULL;
    }

    if (actual_type_return != XA_WINDOW)
    {
        g_critical ("%s: actual_type_return != XA_WINDOW", G_STRLOC);
        XFree (data);
        g_array_free (xids, TRUE);
        return NULL;
    }

    for (i = nitems_return - 1; i >= 0; --i)
    {
        if (contains (xids, data[i]) && !is_minimized (display, data[i]))
        {
            XID id = data[i];
            XFree (data);
            g_array_free (xids, TRUE);
            return find_by_xid (windows, id);
        }
    }

    XFree (data);
    g_array_free (xids, TRUE);
    g_warning ("%s: all minimized?", G_STRLOC);
    return GTK_WINDOW (windows->data);
}


#if 0
static gboolean
_moo_window_is_hidden (GtkWindow  *window)
{
    g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
    return is_minimized (GDK_WINDOW_XDISPLAY (GTK_WIDGET(window)->window),
                         GDK_WINDOW_XID (GTK_WIDGET(window)->window));
}
#endif


#elif defined(__WIN32__)

#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <gdk/gdkwin32.h>


#define get_handle(w) \
    gdk_win32_drawable_get_handle (GTK_WIDGET(w)->window)

static gboolean
_moo_window_is_hidden (GtkWindow  *window)
{
    HANDLE h;
    WINDOWPLACEMENT info;

    g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);

    h = get_handle (window);
    g_return_val_if_fail (h != NULL, FALSE);

    memset (&info, 0, sizeof (info));
    info.length = sizeof (WINDOWPLACEMENT);

    if (!GetWindowPlacement (h, &info))
    {
        DWORD err = GetLastError ();
        char *msg = g_win32_error_message (err);
        g_return_val_if_fail (msg != NULL, FALSE);
        g_warning ("%s: %s", G_STRLOC, msg);
        g_free (msg);
        return FALSE;
    }

    return info.showCmd == SW_MINIMIZE ||
            info.showCmd == SW_HIDE ||
            info.showCmd == SW_SHOWMINIMIZED;
}


GtkWindow *
_moo_get_top_window (GSList *windows)
{
    GSList *l;
    HWND top = NULL;
    HWND current = NULL;

    g_return_val_if_fail (windows != NULL, NULL);

    if (!windows->next)
        return windows->data;

    for (l = windows; l != NULL; l = l->next)
    {
        g_return_val_if_fail (GTK_IS_WINDOW (l->data), NULL);

        if (!_moo_window_is_hidden (GTK_WINDOW (l->data)))
            break;
    }

    if (!l)
        return GTK_WINDOW (windows->data);

    top = get_handle (windows->data);
    current = top;

    while (TRUE)
    {
        current = GetNextWindow (current, GW_HWNDPREV);
        if (!current)
            break;

        for (l = windows; l != NULL; l = l->next)
            if (current == get_handle (l->data))
                break;

        if (l != NULL)
            top = get_handle (l->data);
    }

    for (l = windows; l != NULL; l = l->next)
        if (top == get_handle (l->data))
            break;

    g_return_val_if_fail (l != NULL, GTK_WINDOW (windows->data));
    return GTK_WINDOW (l->data);
}

#else /* neither X nor WIN32 ?? */

GtkWindow*
_moo_get_top_window (GSList *windows)
{
    g_return_val_if_fail (windows != NULL, NULL);
    g_critical ("%s: don't know how to do it", G_STRLOC);
    return GTK_WINDOW (windows->data);
}

#endif


#ifdef GDK_WINDOWING_X11
static void
present_window_x11 (GtkWindow *window,
                     guint32   stamp)
{
    if (!GTK_WIDGET_REALIZED (window))
        gtk_widget_realize (GTK_WIDGET (window));

#if GTK_CHECK_VERSION(2,8,0)
    gdk_x11_window_move_to_current_desktop (GTK_WIDGET(window)->window);
#endif

    gtk_widget_show (GTK_WIDGET (window));

    if (!stamp)
        stamp = gdk_x11_get_server_time (GTK_WIDGET (window)->window);

    gdk_window_focus (GTK_WIDGET (window)->window, stamp);
}
#endif

void
moo_window_present (GtkWindow *window,
                    G_GNUC_UNUSED guint32 stamp)
{
    g_return_if_fail (GTK_IS_WINDOW (window));

#if !defined(GDK_WINDOWING_X11)
    gtk_window_present (window);
#else
    present_window_x11 (window, stamp);
#endif
}


void
_moo_window_set_icon_from_stock (GtkWindow  *window,
                                 const char *name)
{
    GdkPixbuf *icon;

    g_return_if_fail (GTK_IS_WINDOW (window));
    g_return_if_fail (name != NULL);

    icon = gtk_widget_render_icon (GTK_WIDGET (window), name,
                                   GTK_ICON_SIZE_BUTTON, 0);

    if (icon)
    {
        gtk_window_set_icon (GTK_WINDOW (window), icon);
        gdk_pixbuf_unref (icon);
    }
}


#if 0
GtkWindow *
_moo_get_toplevel_window (void)
{
    GList *list, *l;
    GSList *windows = NULL;
    GtkWindow *top;

    list = gtk_window_list_toplevels ();

    for (l = list; l != NULL; l = l->next)
        if (GTK_IS_WINDOW (l->data) && GTK_WIDGET(l->data)->window)
            windows = g_slist_prepend (windows, l->data);

    top = _moo_get_top_window (windows);

    g_list_free (list);
    g_slist_free (windows);
    return top;
}
#endif


/***************************************************************************/
/* Log window
 */

typedef struct {
    GtkWidget *window;
    GtkTextTag *message_tag;
    GtkTextTag *warning_tag;
    GtkTextTag *critical_tag;
    GtkTextBuffer *buf;
    GtkTextView *textview;
    GtkTextMark *insert;
} MooLogWindow;


static MooLogWindow *moo_log_window             (void);
static GtkWidget    *moo_log_window_get_widget  (void);


static MooLogWindow*
moo_log_window_new (void)
{
    MooGladeXML *xml;
    MooLogWindow *log;
    PangoFontDescription *font;

    xml = moo_glade_xml_new_from_buf (moologwindow_glade_xml, -1,
                                      NULL, GETTEXT_PACKAGE, NULL);
    log = g_new (MooLogWindow, 1);

    log->window = moo_glade_xml_get_widget (xml, "window");
    log->textview = moo_glade_xml_get_widget (xml, "textview");

    g_signal_connect (log->window, "delete-event",
                      G_CALLBACK (gtk_widget_hide_on_delete), NULL);

    log->buf = gtk_text_view_get_buffer (log->textview);
    log->insert = gtk_text_buffer_get_insert (log->buf);

    log->message_tag =
            gtk_text_buffer_create_tag (log->buf, "message", "foreground", "blue", NULL);
    log->warning_tag =
            gtk_text_buffer_create_tag (log->buf, "warning", "foreground", "red", NULL);
    log->critical_tag =
            gtk_text_buffer_create_tag (log->buf, "critical", "foreground", "red",
                                        "weight", PANGO_WEIGHT_BOLD, NULL);

    font = pango_font_description_from_string ("Monospace");

    if (font)
    {
        gtk_widget_modify_font (GTK_WIDGET (log->textview), font);
        pango_font_description_free (font);
    }

    return log;
}


static MooLogWindow*
moo_log_window (void)
{
    static gpointer log = NULL;

    if (!log)
    {
        log = moo_log_window_new ();
        g_object_add_weak_pointer (G_OBJECT (((MooLogWindow*)log)->window), &log);
    }

    return log;
}


static GtkWidget*
moo_log_window_get_widget (void)
{
    MooLogWindow *log = moo_log_window ();
    return log->window;
}


void
moo_log_window_show (void)
{
    gtk_window_present (GTK_WINDOW (moo_log_window_get_widget ()));
}

void
moo_log_window_hide (void)
{
    gtk_widget_hide (moo_log_window_get_widget ());
}


static void
moo_log_window_insert (MooLogWindow *log,
                       const char   *text,
                       GtkTextTag   *tag)
{
    GtkTextIter iter;
    gtk_text_buffer_get_end_iter (log->buf, &iter);
    gtk_text_buffer_insert_with_tags (log->buf, &iter, text, -1, tag, NULL);
    gtk_text_view_scroll_mark_onscreen (log->textview, log->insert);
}


/******************************************************************************/
/* Custom g_log and g_print handlers
 */

static GLogFunc moo_log_func;
static GPrintFunc moo_print_func;
static GPrintFunc moo_printerr_func;
static char *moo_log_file;
static gboolean moo_log_file_written;
static gboolean moo_log_handlers_set;


static void
set_print_funcs (GLogFunc   log_func,
                 GPrintFunc print_func,
                 GPrintFunc printerr_func)
{
    moo_log_func = log_func;
    moo_print_func = print_func;
    moo_printerr_func = printerr_func;
    moo_log_handlers_set = TRUE;

    g_set_print_handler (print_func);
    g_set_printerr_handler (printerr_func);

#define set(domain) \
    g_log_set_handler (domain, G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION, log_func, NULL)

    set ("Glib");
    set ("Glib-GObject");
    set ("GModule");
    set ("GThread");
    set ("Gtk");
    set ("Gdk");
    set ("GdkPixbuf");
    set ("Pango");
    set ("Moo");
    set (NULL);
#undef set

#if GLIB_CHECK_VERSION(2,6,0)
    g_log_set_default_handler (log_func, NULL);
#endif /* GLIB_CHECK_VERSION(2,6,0) */
}


/* it doesn't care about encoding, but well, noone cares */
static void
default_print (const char *string)
{
    fputs (string, stdout);
    fflush (stdout);
}

static void
default_printerr (const char *string)
{
    fputs (string, stderr);
    fflush (stderr);
}

void
moo_reset_log_func (void)
{
    if (moo_log_handlers_set)
        set_print_funcs (moo_log_func, moo_print_func, moo_printerr_func);
    else
        set_print_funcs (g_log_default_handler, default_print, default_printerr);
}


/*
 * Display log messages in a window
 */

static void
log_func_window (const gchar    *log_domain,
                 GLogLevelFlags  flags,
                 const gchar    *message,
                 G_GNUC_UNUSED gpointer dummy)
{
    char *text;
    GtkTextTag *tag;
    MooLogWindow *log;

#ifdef __WIN32__
    if (flags & (G_LOG_LEVEL_ERROR | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION))
    {
        _moo_win32_show_fatal_error (log_domain, message);
        return;
    }
#endif /* __WIN32__ */

    if (log_domain)
        text = g_strdup_printf ("%s: %s\n", log_domain, message);
    else
        text = g_strdup_printf ("%s\n", message);

    log = moo_log_window ();

    if (flags >= G_LOG_LEVEL_MESSAGE)
        tag = log->message_tag;
    else if (flags >= G_LOG_LEVEL_WARNING)
        tag = log->warning_tag;
    else
        tag = log->critical_tag;

    moo_log_window_insert (log, text, tag);
    g_free (text);
}


static void
print_func_window (const char *string)
{
    MooLogWindow *log = moo_log_window ();
    moo_log_window_insert (log, string, NULL);
}

static void
printerr_func_window (const char *string)
{
    MooLogWindow *log = moo_log_window ();
    moo_log_window_insert (log, string, log->warning_tag);
}


void
moo_set_log_func_window (gboolean show_now)
{
    if (show_now)
        gtk_widget_show (GTK_WIDGET (moo_log_window()->window));

    set_print_funcs (log_func_window, print_func_window, printerr_func_window);
}


/*
 * Write to a file
 */

static void
print_func_file (const char *string)
{
    FILE *file;

    g_return_if_fail (moo_log_file != NULL);

    if (!moo_log_file_written)
    {
        file = fopen (moo_log_file, "w+");
        moo_log_file_written = TRUE;
    }
    else
    {
        file = fopen (moo_log_file, "a+");
    }

    if (file)
    {
        fprintf (file, "%s", string);
        fclose (file);
    }
    else
    {
        /* TODO ??? */
    }
}


static void
log_func_file (const char       *log_domain,
               G_GNUC_UNUSED GLogLevelFlags flags,
               const char       *message,
               G_GNUC_UNUSED gpointer dummy)
{
    char *string;

#ifdef __WIN32__
    if (flags & (G_LOG_LEVEL_ERROR | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION))
    {
        _moo_win32_show_fatal_error (log_domain, message);
        return;
    }
#endif /* __WIN32__ */

#ifdef __WIN32__
#define LT "\r\n"
#else
#define LT "\n"
#endif
    if (log_domain)
        string = g_strdup_printf ("%s: %s" LT, log_domain, message);
    else
        string = g_strdup_printf ("%s" LT, message);
#undef LT

    print_func_file (string);
    g_free (string);
}


void
moo_set_log_func_file (const char *log_file)
{
    g_free (moo_log_file);
    moo_log_file = g_strdup (log_file);
    set_print_funcs (log_func_file, print_func_file, print_func_file);
}


/*
 * Do nothing
 */

static void
log_func_silent (G_GNUC_UNUSED const gchar    *log_domain,
                 G_GNUC_UNUSED GLogLevelFlags  flags,
                 G_GNUC_UNUSED const gchar    *message,
                 G_GNUC_UNUSED gpointer        data_unused)
{
#ifdef __WIN32__
    if (flags & (G_LOG_LEVEL_ERROR | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION))
    {
        _moo_win32_show_fatal_error (log_domain, message);
        return;
    }
#endif /* __WIN32__ */
}

static void
print_func_silent (G_GNUC_UNUSED const char *s)
{
}

void
moo_set_log_func_silent (void)
{
    set_print_funcs ((GLogFunc) log_func_silent,
                      (GPrintFunc) print_func_silent,
                      (GPrintFunc) print_func_silent);
}


/***************************************************************************/
/* Very useful function
 */

void
moo_segfault (void)
{
    char *var = (char*) -1;
    var[18] = 8;
}


/***************************************************************************/
/* GtkSelection helpers
 */

void
_moo_selection_data_set_pointer (GtkSelectionData *data,
                                 GdkAtom           type,
                                 gpointer          ptr)
{
    g_return_if_fail (data != NULL);
    gtk_selection_data_set (data, type, 8, /* 8 bits per byte */
                            (gpointer) &ptr, sizeof (ptr));
}


gpointer
_moo_selection_data_get_pointer (GtkSelectionData *data,
                                 GdkAtom           type)
{
    GdkWindow *owner;
    gpointer result = NULL;

    g_return_val_if_fail (data != NULL, NULL);
    g_return_val_if_fail (data->target == type, NULL);
    g_return_val_if_fail (data->length == sizeof (result), NULL);

    /* If we can get the owner, the selection is in-process */
    owner = gdk_selection_owner_get_for_display (data->display, data->selection);

    if (!owner || gdk_window_get_window_type (owner) == GDK_WINDOW_FOREIGN)
        return NULL;

    memcpy (&result, data->data, sizeof (result));

    return result;
}


/***************************************************************************/
/* Get currently pressed modifier keys
 */

GdkModifierType
_moo_get_modifiers (GtkWidget *widget)
{
    GdkModifierType mask;
    GdkDisplay *display;

    g_return_val_if_fail (GTK_IS_WIDGET (widget), 0);
    g_return_val_if_fail (GTK_WIDGET_REALIZED (widget), 0);

    display = gtk_widget_get_display (widget);
    g_return_val_if_fail (display != NULL, 0);

    gdk_display_get_pointer (display, NULL, NULL, NULL, &mask);

    return mask;
}


/***************************************************************************/
/* GtkAccelLabel helpers
 */

static void
accel_label_set_string (GtkWidget  *accel_label,
                        const char *label)
{
    g_return_if_fail (GTK_IS_ACCEL_LABEL (accel_label));
    g_free (GTK_ACCEL_LABEL(accel_label)->accel_string);
    GTK_ACCEL_LABEL(accel_label)->accel_string = g_strdup (label);
    gtk_widget_queue_resize (accel_label);
}

static void
accel_label_screen_changed (GtkWidget  *accel_label)
{
    const char *label = g_object_get_data (G_OBJECT (accel_label), "moo-accel-label-accel");
    accel_label_set_string (accel_label, label);
}

void
_moo_menu_item_set_accel_label (GtkWidget  *menu_item,
                                const char *label)
{
    GtkWidget *accel_label;

    g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));

    if (!label)
        label = "";

    accel_label = gtk_bin_get_child (GTK_BIN (menu_item));
    g_return_if_fail (GTK_IS_ACCEL_LABEL (accel_label));

    g_signal_connect_after (accel_label, "screen-changed",
                            G_CALLBACK (accel_label_screen_changed), NULL);
    g_object_set_data_full (G_OBJECT (accel_label), "moo-accel-label-accel",
                            g_strdup (label), g_free);
    accel_label_set_string (accel_label, label);
}


void
_moo_menu_item_set_label (GtkWidget  *item,
                          const char *text,
                          gboolean    mnemonic)
{
    GtkWidget *label;

    g_return_if_fail (GTK_IS_MENU_ITEM (item));
    g_return_if_fail (text != NULL);

    label = gtk_bin_get_child (GTK_BIN (item));
    g_return_if_fail (GTK_IS_LABEL (label));

    if (mnemonic)
        gtk_label_set_text_with_mnemonic (GTK_LABEL (label), text);
    else
        gtk_label_set_text (GTK_LABEL (label), text);
}


/***************************************************************************/
/* data dirs
 */

const char *
_moo_get_pid_string (void)
{
    G_LOCK_DEFINE_STATIC (moo_pid_string);
    static char *moo_pid_string;

    G_LOCK (moo_pid_string);

    if (!moo_pid_string)
    {
#ifdef __WIN32__
        moo_pid_string = g_strdup_printf ("%ld", GetCurrentProcessId ());
#else
        moo_pid_string = g_strdup_printf ("%ld", (long) getpid ());
#endif
    }

    G_UNLOCK (moo_pid_string);

    return moo_pid_string;
}


static const char *
moo_get_prgname (void)
{
    const char *name;

    name = g_get_prgname ();

    if (!name)
    {
        g_critical ("%s: program name not set", G_STRLOC);
        name = "ggap";
    }

    return name;
}


static char *
moo_get_user_cache_dir (void)
{
    return g_strdup_printf ("%s/%s", g_get_user_cache_dir (), moo_get_prgname ());
}

char *
moo_get_user_data_dir (void)
{
    G_LOCK (moo_user_data_dir);

    if (!moo_user_data_dir)
    {
#ifdef __WIN32__
        moo_user_data_dir = g_build_filename (g_get_home_dir (), moo_get_prgname (), NULL);
#else
        moo_user_data_dir = g_strdup_printf ("%s/%s", g_get_user_data_dir (), moo_get_prgname ());
#endif
    }

    G_UNLOCK (moo_user_data_dir);

    return g_strdup (moo_user_data_dir);
}

void
_moo_set_user_data_dir (const char *path)
{
    G_LOCK (moo_user_data_dir);

    if (moo_user_data_dir)
        g_critical ("%s: user data dir already set", G_STRLOC);

    g_free (moo_user_data_dir);
    moo_user_data_dir = g_strdup (path);

    G_UNLOCK (moo_user_data_dir);
}


gboolean
moo_make_user_data_dir (const char *path)
{
    int result = 0;
    char *full_path;
    char *user_dir;

    user_dir = moo_get_user_data_dir ();
    g_return_val_if_fail (user_dir != NULL, FALSE);

    full_path = g_build_filename (user_dir, path, NULL);
    result = _moo_mkdir_with_parents (full_path);

    if (result != 0)
    {
        int err = errno;
        g_critical ("could not create directory '%s': %s",
                    full_path, g_strerror (err));
    }

    g_free (user_dir);
    g_free (full_path);
    return result == 0;
}


static gboolean
cmp_dirs (const char *dir1,
          const char *dir2)
{
    g_return_val_if_fail (dir1 != NULL, FALSE);
    g_return_val_if_fail (dir2 != NULL, FALSE);
    /* XXX */
    return !strcmp (dir1, dir2);
}


static void
add_dir_list_from_env (GPtrArray  *list,
                       const char *var)
{
    char **dirs, **p;

#ifdef __WIN32__
    dirs = g_strsplit (var, ";", 0);
    p = moo_filenames_from_locale (dirs);
    g_strfreev (dirs);
    dirs = p;
#else
    dirs = g_strsplit (var, ":", 0);
#endif

    for (p = dirs; p && *p; ++p)
        g_ptr_array_add (list, *p);

    g_free (dirs);
}


char **
moo_get_data_dirs (MooDataDirType type,
                   guint         *n_dirs)
{
    static char **moo_data_dirs[2];
    static guint n_data_dirs[2];
    G_LOCK_DEFINE_STATIC(moo_data_dirs);

    g_return_val_if_fail (type < 2, NULL);

    G_LOCK (moo_data_dirs);

    if (!moo_data_dirs[type])
    {
        const char *env[2];
        GPtrArray *dirs;
        GPtrArray *all_dirs;
        char **ptr;
        guint i;

        all_dirs = g_ptr_array_new ();
        dirs = g_ptr_array_new ();

        env[0] = g_getenv ("MOO_APP_DIRS");
        env[1] = type == MOO_DATA_SHARE ? g_getenv ("MOO_DATA_DIRS") : g_getenv ("MOO_LIB_DIRS");

        g_ptr_array_add (all_dirs, moo_get_user_data_dir ());

        /* environment variables override everything */
        if (env[0] || env[1])
        {
            if (env[1])
                add_dir_list_from_env (all_dirs, env[1]);
            else
                add_dir_list_from_env (all_dirs, env[0]);
        }
        else
        {
#ifdef __WIN32__
            _moo_win32_add_data_dirs (all_dirs, type == MOO_DATA_SHARE ? "share" : "lib");
#else
            if (type == MOO_DATA_SHARE)
            {
                const char* const *p;

                for (p = g_get_system_data_dirs (); p && *p; ++p)
                    g_ptr_array_add (all_dirs, g_build_filename (*p, MOO_PACKAGE_NAME, NULL));

                g_ptr_array_add (all_dirs, g_strdup (MOO_DATA_DIR));
            }
            else
            {
                g_ptr_array_add (all_dirs, g_strdup (MOO_LIB_DIR));
            }
#endif
        }

        g_ptr_array_add (all_dirs, NULL);

        for (ptr = (char**) all_dirs->pdata; *ptr; ++ptr)
        {
            gboolean found = FALSE;
            char *path;

            path = *ptr;

            if (!path || !path[0])
            {
                g_free (path);
                continue;
            }

            for (i = 0; i < dirs->len; ++i)
            {
                if (cmp_dirs (path, dirs->pdata[i]))
                {
                    found = TRUE;
                    break;
                }
            }

            if (!found)
                g_ptr_array_add (dirs, path);
            else
                g_free (path);
        }

        g_ptr_array_add (dirs, NULL);
        n_data_dirs[type] = dirs->len - 1;
        moo_data_dirs[type] = (char**) g_ptr_array_free (dirs, FALSE);
        g_ptr_array_free (all_dirs, TRUE);
    }

    G_UNLOCK (moo_data_dirs);

    if (n_dirs)
        *n_dirs = n_data_dirs[type];

    return g_strdupv (moo_data_dirs[type]);
}


const char *
moo_get_locale_dir (void)
{
#ifdef __WIN32__
    return _moo_win32_get_locale_dir ();
#else
    const char *dir = g_getenv ("MOO_LOCALE_DIR");
    return dir && dir[0] ? dir : MOO_LOCALE_DIR;
#endif
}


/* For xdgmime: should not contain duplicates */
const char* const *
_moo_get_shared_data_dirs (void)
{
    static char **data_dirs = NULL;
    G_LOCK_DEFINE_STATIC(data_dirs);

    G_LOCK (data_dirs);

    if (!data_dirs)
    {
        guint i, n_dirs;
        GSList *dirs = NULL;
        const char* const *sys_dirs;

        sys_dirs = g_get_system_data_dirs ();

#ifndef __WIN32__
        dirs = g_slist_prepend (NULL, g_strdup (g_get_user_data_dir ()));
#endif

        for (i = 0; sys_dirs[i] && sys_dirs[i][0]; ++i)
            if (!g_slist_find_custom (dirs, sys_dirs[i], (GCompareFunc) strcmp))
                dirs = g_slist_prepend (dirs, g_strdup (sys_dirs[i]));

        dirs = g_slist_reverse (dirs);
        n_dirs = g_slist_length (dirs);
        data_dirs = g_new (char*, n_dirs + 1);

        for (i = 0; i < n_dirs; ++i)
        {
            data_dirs[i] = dirs->data;
            dirs = g_slist_delete_link (dirs, dirs);
        }

        data_dirs[n_dirs] = NULL;
    }

    G_UNLOCK (data_dirs);

    return (const char* const*) data_dirs;
}


char **
moo_get_data_subdirs (const char    *subdir,
                      MooDataDirType type,
                      guint         *n_dirs_p)
{
    char **data_dirs, **dirs;
    guint n_dirs, i;

    g_return_val_if_fail (subdir != NULL, NULL);

    data_dirs = moo_get_data_dirs (type, &n_dirs);
    g_return_val_if_fail (data_dirs != NULL, NULL);

    if (n_dirs_p)
        *n_dirs_p = n_dirs;

    dirs = g_new0 (char*, n_dirs + 1);

    for (i = 0; i < n_dirs; ++i)
        dirs[i] = g_build_filename (data_dirs[i], subdir, NULL);

    g_strfreev (data_dirs);
    return dirs;
}


static char *
get_user_data_file (const char *basename,
                    gboolean    cache)
{
    char *dir, *file;

    g_return_val_if_fail (basename && basename[0], NULL);

    if (cache)
        dir = moo_get_user_cache_dir ();
    else
        dir = moo_get_user_data_dir ();

    g_return_val_if_fail (dir != NULL, NULL);

    file = g_build_filename (dir, basename, NULL);

    g_free (dir);
    return file;
}

char *
moo_get_user_data_file (const char *basename)
{
    return get_user_data_file (basename, FALSE);
}

char *
moo_get_user_cache_file (const char *basename)
{
    return get_user_data_file (basename, TRUE);
}


static gboolean
save_with_backup (const char *filename,
                  const char *data,
                  gssize      len,
                  GError    **error)
{
    char *tmp_file, *bak_file;
    gboolean result = FALSE;
    GError *error_move = NULL;

    tmp_file = g_strdup_printf ("%s.tmp", filename);
    bak_file = g_strdup_printf ("%s.bak", filename);

    if (!_moo_save_file_utf8 (tmp_file, data, len, error))
        goto out;

    if (g_file_test (filename, G_FILE_TEST_EXISTS))
        _moo_rename_file (filename, bak_file, &error_move);

    if (!_moo_rename_file (tmp_file, filename, error))
    {
        if (error_move)
        {
            g_critical ("%s: %s", G_STRLOC, error_move->message);
            g_error_free (error_move);
        }
    }
    else
    {
        if (error_move)
            g_propagate_error (error, error_move);
        else
            result = TRUE;
    }

out:
    g_free (tmp_file);
    g_free (bak_file);
    return result;
}

static gboolean
same_content (const char *filename,
              const char *data,
              gsize       len)
{
    GMappedFile *file;
    char *content;
    gsize i;
    gboolean equal = FALSE;

    file = g_mapped_file_new (filename, FALSE, NULL);

    if (!file || g_mapped_file_get_length (file) != len)
        goto out;

    content = g_mapped_file_get_contents (file);

    for (i = 0; i < len; ++i)
        if (data[i] != content[i])
            goto out;

    equal = TRUE;

out:
    if (file)
        g_mapped_file_free (file);

    return equal;
}

static gboolean
save_user_data_file (const char     *basename,
                     gboolean        cache,
                     const char     *content,
                     gssize          len,
                     GError        **error)
{
    char *dir, *file;
    gboolean result = FALSE;

    g_return_val_if_fail (basename != NULL, FALSE);
    g_return_val_if_fail (content != NULL, FALSE);

    if (len < 0)
        len = strlen (content);

    if (cache)
    {
        dir = moo_get_user_cache_dir ();
        file = moo_get_user_cache_file (basename);
    }
    else
    {
        dir = moo_get_user_data_dir ();
        file = moo_get_user_data_file (basename);
    }

    g_return_val_if_fail (dir && file, FALSE);

    if (!_moo_create_dir (dir, error))
        goto out;

    if (same_content (file, content, len))
    {
        result = TRUE;
        goto out;
    }

    if (!save_with_backup (file, content, len, error))
        goto out;

    result = TRUE;

out:
    g_free (dir);
    g_free (file);
    return result;
}

gboolean
moo_save_user_data_file (const char  *basename,
                         const char  *content,
                         gssize       len,
                         GError     **error)
{
    return save_user_data_file (basename, FALSE, content, len, error);
}

gboolean
moo_save_user_cache_file (const char  *basename,
                          const char  *content,
                          gssize       len,
                          GError     **error)
{
    return save_user_data_file (basename, TRUE, content, len, error);
}


GType
moo_data_dir_type_get_type (void)
{
    static GType type = 0;

    if (G_UNLIKELY (!type))
    {
        static const GEnumValue values[] = {
            { MOO_DATA_SHARE, (char*) "MOO_DATA_SHARE", (char*) "share" },
            { MOO_DATA_LIB, (char*) "MOO_DATA_LIB", (char*) "lib" },
            { 0, NULL, NULL }
        };

        type = g_enum_register_static ("MooDataDirType", values);
    }

    return type;
}


void
_moo_widget_set_tooltip (GtkWidget  *widget,
                         const char *tip)
{
#if !GTK_CHECK_VERSION(2,11,6)
    static GtkTooltips *tooltips;

    g_return_if_fail (GTK_IS_WIDGET (widget));

    if (!tooltips)
        tooltips = gtk_tooltips_new ();

    if (GTK_IS_TOOL_ITEM (widget))
        gtk_tool_item_set_tooltip (GTK_TOOL_ITEM (widget), tooltips, tip, NULL);
    else
        gtk_tooltips_set_tip (tooltips, widget, tip, tip);
#else
    g_return_if_fail (GTK_IS_WIDGET (widget));

    if (GTK_IS_TOOL_ITEM (widget))
        gtk_tool_item_set_tooltip_text (GTK_TOOL_ITEM (widget), tip);
    else
        gtk_widget_set_tooltip_text (widget, tip);
#endif
}



/*******************************************************************************
 * Former eggregex stuff
 */
gboolean
_moo_regex_escape (const char *string,
                   int         bytes,
                   GString    *dest)
{
    const char *p, *piece, *end;
    gboolean escaped = FALSE;

    g_return_val_if_fail (string != NULL, TRUE);
    g_return_val_if_fail (dest != NULL, TRUE);

    if (bytes < 0)
        bytes = strlen (string);

    end = string + bytes;
    p = piece = string;

    while (p < end)
    {
        switch (*p)
        {
            case '\\':
            case '|':
            case '(':
            case ')':
            case '[':
            case ']':
            case '{':
            case '}':
            case '^':
            case '$':
            case '*':
            case '+':
            case '?':
            case '.':
                escaped = TRUE;
                if (p != piece)
                    g_string_append_len (dest, piece, p - piece);
                g_string_append_c (dest, '\\');
                g_string_append_c (dest, *p);
                piece = ++p;
                break;

            default:
                p = g_utf8_next_char (p);
                break;
        }
    }

    if (escaped && piece < end)
        g_string_append_len (dest, piece, end - piece);

    return escaped;
}



char **
moo_strnsplit_lines (const char *string,
                     gssize      len,
                     guint      *n_tokens)
{
    GPtrArray *array;
    gssize i, line;

    if (!string || !string[0])
    {
        if (n_tokens)
            *n_tokens = 0;
        return NULL;
    }

    if (len < 0)
        len = strlen (string);

    array = g_ptr_array_new ();
    line = i = 0;

    while (i < len)
    {
        switch (string[i])
        {
            case '\r':
                g_ptr_array_add (array, g_strndup (string + line, i - line));
                if (++i < len && string[i] == '\n')
                    ++i;
                line = i;
                break;

            case '\n':
                g_ptr_array_add (array, g_strndup (string + line, i - line));
                ++i;
                line = i;
                break;

            case '\xe2': /* Unicode paragraph separator "\xe2\x80\xa9" */
                if (i+2 < len && string[i+1] == '\x80' && string[i+2] == '\xa9')
                {
                    g_ptr_array_add (array, g_strndup (string + line, i - line));
                    i += 3;
                    line = i;
                    break;
                }
                /* fallthrough */

            default:
                ++i;
        }
    }

    g_ptr_array_add (array, g_strndup (string + line, i - line));

    if (n_tokens)
        *n_tokens = array->len;

    g_ptr_array_add (array, NULL);
    return (char**) g_ptr_array_free (array, FALSE);
}


char **
_moo_splitlines (const char *string)
{
    GPtrArray *array;
    const char *line, *p;

    if (!string || !string[0])
        return NULL;

    array = g_ptr_array_new ();

    p = line = string;

    while (*p)
    {
        switch (*p)
        {
            case '\r':
                g_ptr_array_add (array, g_strndup (line, p - line));
                if (*++p == '\n')
                    ++p;
                line = p;
                break;

            case '\n':
                g_ptr_array_add (array, g_strndup (line, p - line));
                line = ++p;
                break;

            case '\xe2': /* Unicode paragraph separator "\xe2\x80\xa9" */
                if (p[1] == '\x80' && p[2] == '\xa9')
                {
                    g_ptr_array_add (array, g_strndup (line, p - line));
                    p += 3;
                    line = p;
                    break;
                }
                /* fallthrough */

            default:
                ++p;
        }
    }

    g_ptr_array_add (array, g_strndup (line, p - line));
    g_ptr_array_add (array, NULL);

    return (char**) g_ptr_array_free (array, FALSE);
}

char **
_moo_strv_reverse (char **str_array)
{
    guint i, len;

    if (str_array)
    {
        for (len = 0; str_array[len]; len++) ;

        for (i = 0; i < len/2; ++i)
        {
            char *tmp = str_array[i];
            str_array[i] = str_array[len-i-1];
            str_array[len-i-1] = tmp;
        }
    }

    return str_array;
}

char **
_moo_ascii_strnsplit (const char *string,
                      gssize      len,
                      guint       max_tokens)
{
    GPtrArray *array = NULL;
    const char *end;

    g_return_val_if_fail (string != NULL, NULL);

    if (len < 0)
        len = strlen (string);
    if (max_tokens < 2)
        max_tokens = G_MAXUINT;

    end = string + len;

    while (string != end)
    {
        const char *p;

        while (string != end && g_ascii_isspace (*string))
            string++;

        if (string == end)
            break;

        for (p = string; p != end && !g_ascii_isspace (*p); ++p) ;

        if (!array)
            array = g_ptr_array_new ();

        g_ptr_array_add (array, g_strndup (string, p - string));

        if (array->len + 1 == max_tokens)
        {
            g_ptr_array_add (array, g_strndup (p, end - p));
            break;
        }

        string = p;
    }

    if (array)
    {
        g_ptr_array_add (array, NULL);
        return (char**) g_ptr_array_free (array, FALSE);
    }
    else
    {
        return NULL;
    }
}


#if defined(__WIN32__) && !defined(MOO_DEBUG_ENABLED)
static guint saved_win32_error_mode;
#endif

void
moo_disable_win32_error_message (void)
{
#if defined(__WIN32__) && !defined(MOO_DEBUG_ENABLED)
    saved_win32_error_mode = SetErrorMode (SEM_NOOPENFILEERRORBOX | SEM_FAILCRITICALERRORS);
#endif
}

void
moo_enable_win32_error_message (void)
{
#if defined(__WIN32__) && !defined(MOO_DEBUG_ENABLED)
    SetErrorMode (saved_win32_error_mode);
#endif
}


#if 0
#undef _moo_str_equal
gboolean
_moo_str_equal (const char *s1,
                const char *s2)
{
    return !strcmp (s1 ? s1 : "", s2 ? s2 : "");
}
#endif


typedef struct {
    GSourceFunc func;
    gpointer data;
    GDestroyNotify notify;
} SourceData;

static void
source_data_free (gpointer data)
{
    SourceData *sd = data;
    if (sd && sd->notify)
        sd->notify (sd->data);
    g_free (sd);
}

static gboolean
thread_source_func (gpointer data)
{
    SourceData *sd = data;
    gboolean ret = FALSE;

    gdk_threads_enter ();

#if GLIB_CHECK_VERSION(2,12,0)
    if (!g_source_is_destroyed (g_main_current_source ()))
#endif
        ret = sd->func (sd->data);

    gdk_threads_leave ();
    return ret;
}

guint
_moo_idle_add_full (gint           priority,
                    GSourceFunc    function,
                    gpointer       data,
                    GDestroyNotify notify)
{
    SourceData *sd;

    sd = g_new (SourceData, 1);
    sd->func = function;
    sd->data = data;
    sd->notify = notify;

    return g_idle_add_full (priority, thread_source_func,
                            sd, source_data_free);
}


guint
moo_idle_add (GSourceFunc function,
              gpointer    data)
{
    return _moo_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
                               function, data, NULL);
}


guint
_moo_timeout_add_full (gint           priority,
                       guint          interval,
                       GSourceFunc    function,
                       gpointer       data,
                       GDestroyNotify notify)
{
    SourceData *sd;

    sd = g_new (SourceData, 1);
    sd->func = function;
    sd->data = data;
    sd->notify = notify;

    return g_timeout_add_full (priority, interval,
                               thread_source_func,
                               sd, source_data_free);
}


guint
_moo_timeout_add (guint       interval,
                  GSourceFunc function,
                  gpointer    data)
{
    return _moo_timeout_add_full (G_PRIORITY_DEFAULT, interval,
                                  function, data, NULL);
}


static gboolean
thread_io_func (GIOChannel  *source,
                GIOCondition condition,
                gpointer     data)
{
    SourceData *sd = data;
    gboolean ret = FALSE;

    gdk_threads_enter ();

#if GLIB_CHECK_VERSION(2,12,0)
    if (!g_source_is_destroyed (g_main_current_source ()))
#endif
        ret = ((GIOFunc) sd->func) (source, condition, sd->data);

    gdk_threads_leave ();
    return ret;
}

guint
_moo_io_add_watch (GIOChannel   *channel,
                   GIOCondition  condition,
                   GIOFunc       func,
                   gpointer      data)
{
    return _moo_io_add_watch_full (channel, G_PRIORITY_DEFAULT,
                                   condition, func, data, NULL);
}


guint
_moo_io_add_watch_full (GIOChannel    *channel,
                        int            priority,
                        GIOCondition   condition,
                        GIOFunc        func,
                        gpointer       data,
                        GDestroyNotify notify)
{
    SourceData *sd;

    sd = g_new (SourceData, 1);
    sd->func = (GSourceFunc) func;
    sd->data = data;
    sd->notify = notify;

    return g_io_add_watch_full (channel, priority, condition,
                                thread_io_func, sd, source_data_free);
}


const char *
_moo_intern_string (const char *string)
{
    if (!string)
        return NULL;

#if GLIB_CHECK_VERSION(2,10,0)
    return g_intern_string (string);
#else
    {
        static GHashTable *hash;
        gpointer original;
        gpointer dummy;

        if (G_UNLIKELY (!hash))
            hash = g_hash_table_new (g_str_hash, g_str_equal);

        if (!g_hash_table_lookup_extended (hash, string, &original, &dummy))
        {
            char *copy = g_strdup (string);
            g_hash_table_insert (hash, copy, NULL);
            original = copy;
        }

        return original;
    }
#endif
}


gboolean
moo_debug_enabled (const char *domain,
                   gboolean    def_enabled)
{
    const char *val;

    val = g_getenv ("MOO_DEBUG");

    if (!val || !val[0])
        return def_enabled;
    if (!strcmp (val, "none"))
        return FALSE;
    if (!strcmp (val, "all"))
        return TRUE;

    return strstr (val, domain) != NULL;
}


#undef _moo_message
void
_moo_message (const char *format,
              ...)
{
    static int enabled = -1;

    if (enabled == -1)
    {
        enabled = moo_debug_enabled ("misc",
#ifdef MOO_DEBUG_ENABLED
                                     TRUE);
#else
                                     FALSE);
#endif
    }

    if (enabled)
    {
        va_list args;
        va_start (args, format);
        g_logv (G_LOG_DOMAIN "-debug", G_LOG_LEVEL_MESSAGE, format, args);
        va_end (args);
    }
}