| /*
|
| Copyright (C) 1996-1997 Id Software, Inc.
|
|
|
| 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
| */
|
| // in_sun.c -- SUN/X mouse input handler |
| |
| #include <sys/time.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| #include <signal.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <sys/ipc.h> |
| #include <sys/shm.h> |
| #include <X11/Xlib.h> |
| #include <X11/Xutil.h> |
| #include <X11/Xatom.h> |
| #include <X11/keysym.h> |
| |
| #include "quakedef.h" |
| |
| |
| // |
| // typedefs and defines |
| // |
| |
| #define MOUSE_SCALE 4 |
| |
| // |
| // externs |
| // |
| |
| extern Display *x_disp; |
| extern int x_screen, x_screen_width, x_screen_height; |
| extern int x_center_height, x_center_width; |
| extern int x_std_event_mask; |
| extern Window x_win, x_root_win; |
| extern qboolean x_fullscreen; |
| extern qboolean x_focus; |
| extern int global_dx, global_dy; |
| // |
| // globals |
| // |
| |
| cvar_t _windowed_mouse = {"_windowed_mouse","1", true}; |
| int x_root, y_root; |
| int x_root_old, y_root_old; |
| // |
| // locals |
| // |
| |
| static int x_mouse_num, x_mouse_denom, x_mouse_thresh; |
| |
| |
| static qboolean x_grabbed = false; |
| |
| // |
| // IN_CenterMouse - center the mouse in the screen |
| // |
| |
| void IN_CenterMouse( void ) |
| { |
| CheckMouseState(); |
| |
| if (!x_grabbed) |
| return; |
| |
| XSelectInput( x_disp, x_win, x_std_event_mask & ~PointerMotionMask ); |
| XWarpPointer( x_disp, None, x_root_win, 0, 0, 0, 0, x_center_width, |
| x_center_height ); |
| XSelectInput( x_disp, x_win, x_std_event_mask ); |
| } |
| |
| // |
| // Check to see if we have grabbed the mouse or not and deal with it |
| // appropriately |
| // |
| static void CheckMouseState(void) |
| { |
| if (x_focus && _windowed_mouse.value && !x_grabbed) { |
| x_grabbed = true; |
| printf("fooling with mouse!\n"); |
| if (XGetPointerControl( x_disp, &x_mouse_num, &x_mouse_denom, &x_mouse_thresh )) |
| printf( "XGetPointerControl failed!\n" ); |
| //printf( "mouse %d/%d thresh %d\n", x_mouse_num, x_mouse_denom, x_mouse_thresh ); |
| |
| // make input rawer |
| XAutoRepeatOff(x_disp); |
| XGrabKeyboard(x_disp, x_win, True, GrabModeAsync, GrabModeAsync, CurrentTime); |
| XGrabPointer(x_disp, x_win, True, |
| PointerMotionMask | ButtonPressMask | ButtonReleaseMask, |
| GrabModeAsync, GrabModeAsync, None, None, CurrentTime); |
| |
| // if (XChangePointerControl( x_disp, True, True, 1, MOUSE_SCALE, x_mouse_thresh )) |
| // printf( "XChangePointerControl failed!\n" ); |
| |
| IN_CenterMouse(); |
| |
| // safe initial values |
| x_root = x_root_old = vid.width >> 1; |
| y_root = y_root_old = vid.height >> 1; |
| } else if (x_grabbed && (!_windowed_mouse.value || !x_focus)) { |
| printf("fooling with mouse!\n"); |
| x_grabbed = false; |
| // undo mouse warp |
| if (XChangePointerControl( x_disp, True, True, x_mouse_num, x_mouse_denom, x_mouse_thresh )) |
| printf( "XChangePointerControl failed!\n" ); |
| |
| XUngrabPointer( x_disp, CurrentTime ); |
| XUngrabKeyboard( x_disp, CurrentTime ); |
| XAutoRepeatOn( x_disp ); |
| } |
| } |
| |
| |
| // |
| // IN_Init - setup mouse input |
| // |
| |
| void IN_Init (void) |
| { |
| if (!x_disp) Sys_Error( "X display not open!\n" ); |
| |
| Cvar_RegisterVariable (&_windowed_mouse); |
| |
| // we really really want to clean these up... |
| atexit( IN_Shutdown ); |
| } |
| |
| // |
| // IN_Shutdown - clean up mouse settings (must be done from signal handler too!) |
| // |
| |
| void IN_Shutdown (void) |
| { |
| if (!x_disp) return; |
| |
| // undo mouse warp |
| if (XChangePointerControl( x_disp, True, True, x_mouse_num, x_mouse_denom, x_mouse_thresh )) |
| printf( "XChangePointerControl failed!\n" ); |
| |
| XUngrabPointer( x_disp, CurrentTime ); |
| XUngrabKeyboard( x_disp, CurrentTime ); |
| XAutoRepeatOn( x_disp ); |
| } |
| |
| // |
| // IN_Commands - process buttons |
| // |
| |
| void IN_Commands (void) |
| { |
| // done in X event handler |
| } |
| |
| // |
| // IN_Move - process mouse moves |
| // |
| |
| void |
| IN_Move (usercmd_t *cmd) |
| { |
| static int last_dx, last_dy; |
| static long long last_movement; |
| long long now, gethrtime(); |
| |
| int dx, dy; |
| |
| CheckMouseState(); |
| |
| |
| if (!x_grabbed) |
| return; // no mouse movement |
| |
| |
| now = gethrtime(); |
| |
| dx = global_dx; |
| global_dx = 0; |
| |
| dy = global_dy; |
| global_dy = 0; |
| |
| // printf("GOT: dx %d dy %d\n", dx, dy); |
| |
| dx *= sensitivity.value; |
| dy *= sensitivity.value; |
| |
| // |
| // implement low pass filter to smooth motion a bit |
| // |
| if (now - last_movement > 100000000) { |
| dx = .6 * dx; |
| dy = .6 * dy; |
| } |
| last_movement = now; |
| |
| dx = .6 * dx + .4 * last_dx; |
| dy = .6 * dy + .4 * last_dy; |
| |
| |
| last_dx = dx; |
| last_dy = dy; |
| |
| if (!dx && !dy) { |
| if (in_mlook.state & 1) |
| V_StopPitchDrift (); |
| return; |
| } |
| |
| // add mouse X/Y movement to cmd |
| if ((in_strafe.state & 1) || (lookstrafe.value && (in_mlook.state & 1))) |
| cmd->sidemove += m_side.value * dx; |
| else |
| cl.viewangles[YAW] -= m_yaw.value * dx; |
| |
| if (in_mlook.state & 1) |
| V_StopPitchDrift (); |
| |
| if ((in_mlook.state & 1) && !(in_strafe.state & 1)) { |
| cl.viewangles[PITCH] += m_pitch.value * dy; |
| if (cl.viewangles[PITCH] > 80) cl.viewangles[PITCH] = 80; |
| if (cl.viewangles[PITCH] < -70) cl.viewangles[PITCH] = -70; |
| } |
| else { |
| if ((in_strafe.state & 1) && noclip_anglehack) cmd->upmove -= m_forward.value * dy; |
| else cmd->forwardmove -= m_forward.value * dy; |
| } |
| } |