mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-23 21:02:50 +00:00
495 lines
9.1 KiB
C
495 lines
9.1 KiB
C
/*
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in_x11.c
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general x11 input driver
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Copyright (C) 1996-1997 Id Software, Inc.
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Copyright (C) 2000 Marcus Sundberg [mackan@stacken.kth.se]
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Copyright (C) 1999,2000 contributors of the QuakeForge project
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Please see the file "AUTHORS" for a list of contributors
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#define _BSD
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <errno.h>
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#include <X11/Xlib.h>
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#include <X11/keysym.h>
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#ifdef HAVE_DGA
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# include <X11/extensions/XShm.h>
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# include <X11/extensions/xf86dga.h>
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#endif
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#include "QF/compat.h"
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#include "QF/console.h"
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#include "QF/cmd.h"
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#include "QF/cvar.h"
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#include "QF/input.h"
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#include "QF/joystick.h"
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#include "QF/keys.h"
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#include "QF/mathlib.h"
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#include "QF/qargs.h"
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#include "QF/sys.h"
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#include "QF/vid.h"
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#include "context_x11.h"
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#include "dga_check.h"
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cvar_t *in_dga;
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cvar_t *in_dga_mouseaccel;
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static qboolean dga_avail;
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static qboolean dga_active;
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static keydest_t old_key_dest = key_none;
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static int p_mouse_x, p_mouse_y;
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#define KEY_MASK (KeyPressMask | KeyReleaseMask)
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#define MOUSE_MASK (ButtonPressMask | ButtonReleaseMask | PointerMotionMask)
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#define INPUT_MASK (KEY_MASK | MOUSE_MASK)
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static int
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XLateKey (XKeyEvent * ev, qboolean modified)
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{
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char tmp[2];
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int key = 0;
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KeySym keysym;
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if (!modified) {
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keysym = XLookupKeysym (ev, 0);
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} else {
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XLookupString (ev, tmp, 1, &keysym, NULL);
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}
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switch (keysym) {
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case XK_KP_Page_Up:
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key = KP_PGUP;
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break;
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case XK_Page_Up:
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key = K_PGUP;
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break;
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case XK_KP_Page_Down:
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key = KP_PGDN;
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break;
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case XK_Page_Down:
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key = K_PGDN;
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break;
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case XK_KP_Home:
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key = KP_HOME;
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break;
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case XK_Home:
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key = K_HOME;
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break;
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case XK_KP_End:
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key = KP_END;
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break;
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case XK_End:
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key = K_END;
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break;
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case XK_KP_Left:
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key = KP_LEFTARROW;
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break;
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case XK_Left:
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key = K_LEFTARROW;
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break;
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case XK_KP_Right:
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key = KP_RIGHTARROW;
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break;
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case XK_Right:
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key = K_RIGHTARROW;
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break;
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case XK_KP_Down:
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key = KP_DOWNARROW;
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break;
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case XK_Down:
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key = K_DOWNARROW;
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break;
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case XK_KP_Up:
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key = KP_UPARROW;
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break;
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case XK_Up:
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key = K_UPARROW;
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break;
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case XK_Escape:
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key = K_ESCAPE;
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break;
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case XK_KP_Enter:
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key = KP_ENTER;
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break;
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case XK_Return:
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key = K_ENTER;
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break;
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case XK_Tab:
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key = K_TAB;
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break;
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case XK_F1:
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key = K_F1;
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break;
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case XK_F2:
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key = K_F2;
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break;
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case XK_F3:
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key = K_F3;
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break;
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case XK_F4:
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key = K_F4;
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break;
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case XK_F5:
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key = K_F5;
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break;
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case XK_F6:
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key = K_F6;
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break;
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case XK_F7:
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key = K_F7;
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break;
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case XK_F8:
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key = K_F8;
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break;
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case XK_F9:
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key = K_F9;
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break;
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case XK_F10:
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key = K_F10;
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break;
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case XK_F11:
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key = K_F11;
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break;
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case XK_F12:
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key = K_F12;
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break;
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case XK_BackSpace:
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key = K_BACKSPACE;
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break;
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case XK_KP_Delete:
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key = KP_DEL;
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break;
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case XK_Delete:
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key = K_DEL;
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break;
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case XK_Pause:
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key = K_PAUSE;
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break;
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case XK_Shift_L:
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case XK_Shift_R:
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key = K_SHIFT;
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break;
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case XK_Execute:
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case XK_Control_L:
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case XK_Control_R:
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key = K_CTRL;
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break;
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case XK_Mode_switch:
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case XK_Alt_L:
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case XK_Meta_L:
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case XK_Alt_R:
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case XK_Meta_R:
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key = K_ALT;
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break;
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case XK_Caps_Lock:
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key = K_CAPSLOCK;
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break;
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case XK_KP_Begin:
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key = KP_5;
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break;
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case XK_Insert:
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key = K_INS;
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break;
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case XK_KP_Insert:
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key = KP_INS;
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break;
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case XK_KP_Multiply:
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key = KP_MULTIPLY;
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break;
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case XK_KP_Add:
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key = KP_PLUS;
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break;
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case XK_KP_Subtract:
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key = KP_MINUS;
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break;
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case XK_KP_Divide:
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key = KP_DIVIDE;
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break;
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/* For Sun keyboards */
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case XK_F27:
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key = K_HOME;
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break;
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case XK_F29:
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key = K_PGUP;
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break;
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case XK_F33:
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key = K_END;
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break;
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case XK_F35:
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key = K_PGDN;
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break;
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default:
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if (keysym < 128) {
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/* ASCII keys */
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key = keysym;
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if (!modified && ((key >= 'A') && (key <= 'Z'))) {
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key = key + ('a' - 'A');
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}
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}
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break;
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}
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return key;
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}
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static void
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event_key (XEvent * event)
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{
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if (old_key_dest != key_dest) {
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old_key_dest = key_dest;
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if (key_dest == key_game) {
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XAutoRepeatOff (x_disp);
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} else {
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XAutoRepeatOn (x_disp);
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}
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}
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Key_Event (XLateKey (&event->xkey, 0), XLateKey (&event->xkey, 1),
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event->type == KeyPress);
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}
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static void
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event_button (XEvent * event)
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{
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int but;
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but = event->xbutton.button;
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if (but == 2)
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but = 3;
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else if (but == 3)
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but = 2;
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switch (but) {
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case 1:
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case 2:
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case 3:
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Key_Event (K_MOUSE1 + but - 1, 0, event->type == ButtonPress);
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break;
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case 4:
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Key_Event (K_MWHEELUP, 0, event->type == ButtonPress);
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break;
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case 5:
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Key_Event (K_MWHEELDOWN, 0, event->type == ButtonPress);
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break;
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}
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}
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static void
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center_pointer (void)
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{
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XEvent event;
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event.type = MotionNotify;
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event.xmotion.display = x_disp;
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event.xmotion.window = x_win;
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event.xmotion.x = vid.width / 2;
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event.xmotion.y = vid.height / 2;
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XSendEvent (x_disp, x_win, False, PointerMotionMask, &event);
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XWarpPointer (x_disp, None, x_win, 0, 0, 0, 0,
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vid.width / 2, vid.height / 2);
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}
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static void
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event_motion (XEvent * event)
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{
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if (dga_active) {
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in_mouse_x += event->xmotion.x_root * in_dga_mouseaccel->value;
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in_mouse_y += event->xmotion.y_root * in_dga_mouseaccel->value;
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} else {
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if (vid_fullscreen->int_val || _windowed_mouse->int_val) {
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if (!event->xmotion.send_event) {
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in_mouse_x += (event->xmotion.x - p_mouse_x);
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in_mouse_y += (event->xmotion.y - p_mouse_y);
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if (abs (vid.width / 2 - event->xmotion.x) > vid.width / 4
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|| abs (vid.height / 2 - event->xmotion.y) > vid.height / 4) {
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center_pointer ();
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}
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}
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} else {
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in_mouse_x += (event->xmotion.x - p_mouse_x);
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in_mouse_y += (event->xmotion.y - p_mouse_y);
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}
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p_mouse_x = event->xmotion.x;
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p_mouse_y = event->xmotion.y;
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}
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}
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void
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IN_LL_Commands (void)
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{
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static int old_windowed_mouse;
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static int old_in_dga;
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if ((old_windowed_mouse != _windowed_mouse->int_val)
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|| (old_in_dga != in_dga->int_val)) {
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old_windowed_mouse = _windowed_mouse->int_val;
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old_in_dga = in_dga->int_val;
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if (_windowed_mouse->int_val) { // grab the pointer
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XGrabPointer (x_disp, x_win, True, MOUSE_MASK, GrabModeAsync,
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GrabModeAsync, x_win, None, CurrentTime);
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#ifdef HAVE_DGA
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if (dga_avail && in_dga->int_val && !dga_active) {
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XF86DGADirectVideo (x_disp, DefaultScreen (x_disp),
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XF86DGADirectMouse);
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dga_active = true;
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}
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#endif
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} else { // ungrab the pointer
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#ifdef HAVE_DGA
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if (dga_avail && in_dga->int_val && dga_active) {
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XF86DGADirectVideo (x_disp, DefaultScreen (x_disp), 0);
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dga_active = false;
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}
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#endif
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XUngrabPointer (x_disp, CurrentTime);
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}
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}
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}
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void
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IN_LL_SendKeyEvents (void)
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{
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/* Get events from X server. */
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X11_ProcessEvents ();
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}
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/*
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Called at shutdown
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*/
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void
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IN_LL_Shutdown (void)
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{
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Con_Printf ("IN_LL_Shutdown\n");
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in_mouse_avail = 0;
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if (x_disp) {
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XAutoRepeatOn (x_disp);
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#ifdef HAVE_DGA
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if (dga_avail)
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XF86DGADirectVideo (x_disp, DefaultScreen (x_disp), 0);
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#endif
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}
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X11_CloseDisplay ();
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}
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void
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IN_LL_Init (void)
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{
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// open the display
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if (!x_disp)
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Sys_Error ("IN: No display!!\n");
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if (!x_win)
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Sys_Error ("IN: No window!!\n");
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X11_OpenDisplay (); // call to increment the reference counter
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{
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int attribmask = CWEventMask;
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XWindowAttributes attribs_1;
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XSetWindowAttributes attribs_2;
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XGetWindowAttributes (x_disp, x_win, &attribs_1);
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attribs_2.event_mask = attribs_1.your_event_mask | INPUT_MASK;
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XChangeWindowAttributes (x_disp, x_win, attribmask, &attribs_2);
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}
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XAutoRepeatOff (x_disp);
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if (COM_CheckParm ("-nomouse"))
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return;
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dga_avail = VID_CheckDGA (x_disp, NULL, NULL, NULL);
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if (vid_fullscreen->int_val) {
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Cvar_Set (_windowed_mouse, "1");
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_windowed_mouse->flags |= CVAR_ROM;
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}
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in_mouse_avail = 1;
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X11_AddEvent (KeyPress, &event_key);
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X11_AddEvent (KeyRelease, &event_key);
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X11_AddEvent (ButtonPress, &event_button);
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X11_AddEvent (ButtonRelease, &event_button);
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X11_AddEvent (MotionNotify, &event_motion);
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}
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void
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IN_LL_Init_Cvars (void)
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{
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in_dga = Cvar_Get ("in_dga", "1", CVAR_ARCHIVE, NULL,
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"DGA Input support");
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in_dga_mouseaccel = Cvar_Get ("in_dga_mouseaccel", "1", CVAR_ARCHIVE, NULL,
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"DGA Mouse accelleration multiplier");
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}
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