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/*
 * Copyright 2007-2008 by Sascha Hlusiak. <saschahlusiak@freedesktop.org>     
 * Copyright 1995-1999 by Frederic Lepied, France. <Lepied@XFree86.org>       
 *                                                                            
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is  hereby granted without fee, provided that
 * the  above copyright   notice appear  in   all  copies and  that both  that
 * copyright  notice   and   this  permission   notice  appear  in  supporting
 * documentation, and that  the  names  of copyright holders not  be  used  in
 * advertising or publicity pertaining to distribution of the software without
 * specific,  written      prior  permission.  The copyright holders  make  no
 * representations about the suitability of this software for any purpose.  It
 * is provided "as is" without express or implied warranty.                   
 *                                                                            
 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED   WARRANTIES OF MERCHANTABILITY  AND   FITNESS, IN NO
 * EVENT  SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT   OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA  OR PROFITS, WHETHER  IN  AN ACTION OF  CONTRACT,  NEGLIGENCE OR OTHER
 * TORTIOUS  ACTION, ARISING    OUT OF OR   IN  CONNECTION  WITH THE USE    OR
 * PERFORMANCE OF THIS SOFTWARE.
 */



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


#include <xf86.h>
#include <xf86Xinput.h>
#include <X11/extensions/XKB.h>
#include <X11/extensions/XKBstr.h>
#include <X11/extensions/XKBsrv.h>
#include <X11/keysym.h>
#include <X11/XF86keysym.h>
#include "jstk.h"
#include "jstk_key.h"

#define AltMask		Mod1Mask
#define NumLockMask	Mod2Mask
#define AltLangMask	Mod3Mask
#define KanaMask	Mod4Mask
#define ScrollLockMask	Mod5Mask




static void
jstkKbdCtrl(DeviceIntPtr device, KeybdCtrl *ctrl)
{
}



int
jstkInitKeys(DeviceIntPtr pJstk, JoystickDevPtr priv)
{
    KeySymsRec keySyms;
    CARD8 modMap[MAP_LENGTH];
    KeySym sym;
    int i, j;
    static XkbComponentNamesRec xkbnames;
    XkbSrvInfoPtr xkbi;
    XkbControlsPtr ctrls;

    static struct { KeySym keysym; CARD8 mask; } modifiers[] = {
        { XK_Shift_L,           ShiftMask },
        { XK_Shift_R,           ShiftMask },
        { XK_Control_L,         ControlMask },
        { XK_Control_R,         ControlMask },
        { XK_Caps_Lock,         LockMask },
        { XK_Alt_L,             AltMask },
        { XK_Alt_R,             AltMask },
        { XK_Num_Lock,          NumLockMask },
        { XK_Scroll_Lock,       ScrollLockMask },
        { XK_Mode_switch,       AltLangMask }
    };

    DBG(1, xf86Msg(X_CONFIG, "Initializing Keyboard with %d keys\n",
                   priv->keymap.size));
    for (i = 0; i < priv->keymap.size; i++)
    {
	DBG(6, xf86Msg(X_CONFIG, "Keymap [%d]: 0x%08X\n", MIN_KEYCODE+i,priv->keymap.map[i]));
    }

    memset(modMap, 0, sizeof(modMap));


    keySyms.map        = priv->keymap.map;
    keySyms.mapWidth   = 1;
    keySyms.minKeyCode = MIN_KEYCODE;
/*    keySyms.maxKeyCode = MIN_KEYCODE + priv->keymap.size - 1; */
    keySyms.maxKeyCode = MIN_KEYCODE + sizeof(priv->keymap.map)/sizeof(priv->keymap.map[0]) - 1;

    for (i = 0; i < priv->keymap.size; i++) {
        sym = priv->keymap.map[i];
        for (j = 0; j < sizeof(modifiers)/sizeof(modifiers[0]); j++) {
            if (modifiers[j].keysym == sym)
                modMap[i + MIN_KEYCODE] = modifiers[j].mask;
        }
    }

    XkbSetRulesDflts(__XKBDEFRULES__, "evdev", "us", "nodeadkeys", NULL);
    XkbInitKeyboardDeviceStruct (pJstk, &xkbnames, &keySyms, modMap,
            NULL, jstkKbdCtrl);

    /* Set Autorepeat and Delay */

    if ((priv->repeat_delay || priv->repeat_interval) && 
        pJstk->key && 
        pJstk->key->xkbInfo)
    {
        xkbi = pJstk->key->xkbInfo;
        if (xkbi && xkbi->desc)
        {
            ctrls = xkbi->desc->ctrls;
            ctrls->repeat_delay = priv->repeat_delay;
            ctrls->repeat_interval = priv->repeat_interval;
        }
    }

    return Success;
}



/*
 ***************************************************************************
 *
 * jstkGenerateKeys
 *
 * Generates a series of keydown or keyup events of the specified 
 * KEYSCANCODES
 *
 ***************************************************************************
 */
void
jstkGenerateKeys(DeviceIntPtr device, KEYSCANCODES keys, char pressed)
{
    int i;
    unsigned int k;

    for (i=0;i<MAXKEYSPERBUTTON;i++) {
        if (pressed != 0) 
            k = keys[i];
        else k = keys[MAXKEYSPERBUTTON - i - 1];

        if (k != 0) {
            k = k + MIN_KEYCODE;
            DBG(2, ErrorF("Generating key %s event with keycode %d\n", 
                (pressed)?"press":"release", k));
            xf86PostKeyboardEvent(device, k, pressed);
        }
    }
}