/*
 * main.cpp
 *
 * Copyright (c) 1999 Matthias Hoelzer-Kluepfel <hoelzer@kde.org>
 * Copyright (c) 2005 Lubos Lunak <l.lunak@kde.org>
 *
 * Requires the Qt widget libraries, available at no cost at
 * http://www.troll.no/
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#include <config-X11.h>

#include <kglobalsettings.h>

#include <stdlib.h>
#include <ctype.h>

#ifdef HAVE_XCURSOR
#  include <X11/Xlib.h>
#  include <X11/Xcursor/Xcursor.h>
#endif

static bool isEmpty(const char* str)
{
    if (str == NULL) {
        return true;
    }
    while (isspace(*str)) {
        ++str;
    }
    return (*str == '\0');
}

int main(int argc, char* argv[])
{
    if (argc != 3) {
        return 1;
    }
#ifdef HAVE_XCURSOR
    Display* dpy = XOpenDisplay(NULL);
    if (!dpy) {
        return 2;
    }

    // NOTE: keep in sync with:
    // kcontrol/input/main.cpp
    const char* theme = argv[1];
    const char* size = argv[2];

    if (isEmpty(theme)) {
        return 3;
    }

    // Apply the cursor theme to ourselves
    XcursorSetTheme(dpy, theme);
    if (!isEmpty(size)) {
        XcursorSetDefaultSize(dpy, atoi(size));
    }

    // Load the default cursor from the theme and apply it to the root window.
    Cursor handle = XcursorLibraryLoadCursor(dpy, "left_ptr");
    XDefineCursor(dpy, DefaultRootWindow(dpy), handle);
    XFreeCursor(dpy, handle); // Don't leak the cursor

    XCloseDisplay(dpy);
#else
    Q_UNUSED(argv);
#endif
    return 0;
}