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newtree/source/in_x11.c
Zephaniah E. Hull 07322ef780 s/ABS/abs/, abs is standard C, no evil defines.
2000-10-26 05:07:00 +00:00

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/*
in_x11.c
general x11 input driver
Copyright (C) 1996-1997 Id Software, Inc.
Copyright (C) 2000 Marcus Sundberg [mackan@stacken.kth.se]
Copyright (C) 1999,2000 contributors of the QuakeForge project
Please see the file "AUTHORS" for a list of contributors
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#define _BSD
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <errno.h>
#include <string.h>
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <X11/Xlib.h>
#include <X11/keysym.h>
#ifdef HAVE_DGA
#include <X11/extensions/XShm.h>
#include <X11/extensions/xf86dga.h>
#endif
#include "quakedef.h"
#include "dga_check.h"
#include "d_local.h"
#include "sound.h"
#include "keys.h"
#include "cvar.h"
#include "sys.h"
#include "cmd.h"
#include "draw.h"
#include "console.h"
#include "client.h"
#include "context_x11.h"
#include "input.h"
#include "joystick.h"
#include "qargs.h"
cvar_t *_windowed_mouse;
cvar_t *m_filter;
cvar_t *in_dga;
cvar_t *in_dga_mouseaccel;
static qboolean dga_avail;
static qboolean dga_active;
static qboolean mouse_avail;
static float mouse_x, mouse_y;
static float old_mouse_x, old_mouse_y;
static int p_mouse_x, p_mouse_y;
#define KEY_MASK (KeyPressMask | KeyReleaseMask)
#define MOUSE_MASK (ButtonPressMask | ButtonReleaseMask | PointerMotionMask)
#define INPUT_MASK (KEY_MASK | MOUSE_MASK)
static int
XLateKey(XKeyEvent *ev)
{
int key = 0;
KeySym keysym;
keysym = XLookupKeysym(ev, 0);
switch(keysym) {
case XK_KP_Page_Up: key = KP_PGUP; break;
case XK_Page_Up: key = K_PGUP; break;
case XK_KP_Page_Down: key = KP_PGDN; break;
case XK_Page_Down: key = K_PGDN; break;
case XK_KP_Home: key = KP_HOME; break;
case XK_Home: key = K_HOME; break;
case XK_KP_End: key = KP_END; break;
case XK_End: key = K_END; break;
case XK_KP_Left: key = KP_LEFTARROW; break;
case XK_Left: key = K_LEFTARROW; break;
case XK_KP_Right: key = KP_RIGHTARROW; break;
case XK_Right: key = K_RIGHTARROW; break;
case XK_KP_Down: key = KP_DOWNARROW; break;
case XK_Down: key = K_DOWNARROW; break;
case XK_KP_Up: key = KP_UPARROW; break;
case XK_Up: key = K_UPARROW; break;
case XK_Escape: key = K_ESCAPE; break;
case XK_KP_Enter: key = KP_ENTER; break;
case XK_Return: key = K_ENTER; break;
case XK_Tab: key = K_TAB; break;
case XK_F1: key = K_F1; break;
case XK_F2: key = K_F2; break;
case XK_F3: key = K_F3; break;
case XK_F4: key = K_F4; break;
case XK_F5: key = K_F5; break;
case XK_F6: key = K_F6; break;
case XK_F7: key = K_F7; break;
case XK_F8: key = K_F8; break;
case XK_F9: key = K_F9; break;
case XK_F10: key = K_F10; break;
case XK_F11: key = K_F11; break;
case XK_F12: key = K_F12; break;
case XK_BackSpace: key = K_BACKSPACE; break;
case XK_KP_Delete: key = KP_DEL; break;
case XK_Delete: key = K_DEL; break;
case XK_Pause: key = K_PAUSE; break;
case XK_Shift_L:
case XK_Shift_R: key = K_SHIFT; break;
case XK_Execute:
case XK_Control_L:
case XK_Control_R: key = K_CTRL; break;
case XK_Mode_switch:
case XK_Alt_L:
case XK_Meta_L:
case XK_Alt_R:
case XK_Meta_R: key = K_ALT; break;
case XK_Caps_Lock: key = K_CAPSLOCK; break;
case XK_KP_Begin: key = K_AUX30; break;
case XK_Insert: key = K_INS; break;
case XK_KP_Insert: key = KP_INS; break;
case XK_KP_Multiply: key = KP_MULTIPLY; break;
case XK_KP_Add: key = KP_PLUS; break;
case XK_KP_Subtract: key = KP_MINUS; break;
case XK_KP_Divide: key = KP_DIVIDE; break;
/* For Sun keyboards */
case XK_F27: key = K_HOME; break;
case XK_F29: key = K_PGUP; break;
case XK_F33: key = K_END; break;
case XK_F35: key = K_PGDN; break;
#if 0
case 0x021: key = '1';break;/* [!] */
case 0x040: key = '2';break;/* [@] */
case 0x023: key = '3';break;/* [#] */
case 0x024: key = '4';break;/* [$] */
case 0x025: key = '5';break;/* [%] */
case 0x05e: key = '6';break;/* [^] */
case 0x026: key = '7';break;/* [&] */
case 0x02a: key = '8';break;/* [*] */
case 0x028: key = '9';;break;/* [(] */
case 0x029: key = '0';break;/* [)] */
case 0x05f: key = '-';break;/* [_] */
case 0x02b: key = '=';break;/* [+] */
case 0x07c: key = '\'';break;/* [|] */
case 0x07d: key = '[';break;/* [}] */
case 0x07b: key = ']';break;/* [{] */
case 0x022: key = '\'';break;/* ["] */
case 0x03a: key = ';';break;/* [:] */
case 0x03f: key = '/';break;/* [?] */
case 0x03e: key = '.';break;/* [>] */
case 0x03c: key = ',';break;/* [<] */
#endif
default:
if (keysym < 128) {
/* ASCII keys */
key = keysym;
if (key >= 'A' && key <= 'Z') {
key = key + ('a' - 'A');
}
}
break;
}
return key;
}
static void
event_key (XEvent *event)
{
Key_Event (XLateKey (&event->xkey), event->type == KeyPress);
}
static void
event_button (XEvent *event)
{
int but;
but = event->xbutton.button;
if (but == 2) but = 3;
else if (but == 3) but = 2;
switch(but) {
case 1:
case 2:
case 3:
Key_Event(K_MOUSE1 + but - 1, event->type == ButtonPress);
break;
case 4:
Key_Event(K_MWHEELUP, 1);
Key_Event(K_MWHEELUP, 0);
break;
case 5:
Key_Event(K_MWHEELDOWN, 1);
Key_Event(K_MWHEELDOWN, 0);
break;
}
}
static void
center_pointer(void)
{
XEvent event;
event.type = MotionNotify;
event.xmotion.display = x_disp;
event.xmotion.window = x_win;
event.xmotion.x = vid.width / 2;
event.xmotion.y = vid.height / 2;
XSendEvent(x_disp, x_win, False, PointerMotionMask, &event);
XWarpPointer(x_disp, None, x_win, 0, 0, 0, 0,
vid.width / 2, vid.height / 2);
}
static void
event_motion (XEvent *event)
{
if (dga_active) {
mouse_x += event->xmotion.x_root * in_dga_mouseaccel->value;
mouse_y += event->xmotion.y_root * in_dga_mouseaccel->value;
} else {
if (!p_mouse_x && !p_mouse_y) {
Con_Printf("event->xmotion.x: %d\n", event->xmotion.x);
Con_Printf("event->xmotion.y: %d\n", event->xmotion.y);
}
//printf("_windowed_mouse: %f\n", _windowed_mouse->int_val);
//printf("CurrentTime: %ld\n", CurrentTime);
if (_windowed_mouse->int_val) {
if (!event->xmotion.send_event) {
mouse_x += (event->xmotion.x - p_mouse_x);
mouse_y += (event->xmotion.y - p_mouse_y);
if (abs(vid.width/2 - event->xmotion.x) > vid.width / 4
|| abs(vid.height/2 - event->xmotion.y) > vid.height / 4) {
center_pointer();
}
}
} else {
mouse_x += (event->xmotion.x - p_mouse_x);
mouse_y += (event->xmotion.y - p_mouse_y);
}
p_mouse_x = event->xmotion.x;
p_mouse_y = event->xmotion.y;
}
}
void
IN_Commands (void)
{
static int old_windowed_mouse;
static int old_in_dga;
JOY_Command ();
if ((old_windowed_mouse != _windowed_mouse->int_val)
|| (old_in_dga != in_dga->int_val)) {
old_windowed_mouse = _windowed_mouse->int_val;
if (_windowed_mouse->int_val) { // grab the pointer
XGrabPointer (x_disp, x_win, True, MOUSE_MASK, GrabModeAsync,
GrabModeAsync, x_win, None, CurrentTime);
#ifdef HAVE_DGA
if (dga_avail && in_dga->int_val && !dga_active) {
XF86DGADirectVideo (x_disp, DefaultScreen (x_disp),
XF86DGADirectMouse);
dga_active = true;
}
#endif
} else { // ungrab the pointer
#ifdef HAVE_DGA
if (dga_avail && in_dga->int_val && dga_active) {
XF86DGADirectVideo (x_disp, DefaultScreen (x_disp), 0);
dga_active = false;
}
#endif
XUngrabPointer (x_disp, CurrentTime);
}
}
}
void
IN_SendKeyEvents (void)
{
/* Get events from X server. */
x11_process_events();
}
void
IN_Move (usercmd_t *cmd)
{
JOY_Move (cmd);
if (!mouse_avail)
return;
if (m_filter->int_val) {
mouse_x = (mouse_x + old_mouse_x) * 0.5;
mouse_y = (mouse_y + old_mouse_y) * 0.5;
old_mouse_x = mouse_x;
old_mouse_y = mouse_y;
}
mouse_x *= sensitivity->value;
mouse_y *= sensitivity->value;
if ((in_strafe.state & 1) || (lookstrafe->int_val && freelook))
cmd->sidemove += m_side->value * mouse_x;
else
cl.viewangles[YAW] -= m_yaw->value * mouse_x;
if (freelook)
V_StopPitchDrift ();
if (freelook && !(in_strafe.state & 1)) {
cl.viewangles[PITCH] += m_pitch->value * mouse_y;
cl.viewangles[PITCH] = bound (-70, cl.viewangles[PITCH], 80);
} else {
if ((in_strafe.state & 1) && noclip_anglehack)
cmd->upmove -= m_forward->value * mouse_y;
else
cmd->forwardmove -= m_forward->value * mouse_y;
}
mouse_x = mouse_y = 0.0;
}
/*
Called at shutdown
*/
void
IN_Shutdown (void)
{
JOY_Shutdown ();
Con_Printf ("IN_Shutdown\n");
mouse_avail = 0;
if (x_disp) {
XAutoRepeatOn (x_disp);
#ifdef HAVE_DGA
XF86DGADirectVideo (x_disp, DefaultScreen (x_disp), 0);
#endif
}
x11_close_display();
}
void
IN_Init (void)
{
// open the display
if (!x_disp)
Sys_Error("IN: No display!!\n");
if (!x_win)
Sys_Error("IN: No window!!\n");
x11_open_display (); // call to increment the reference counter
{
int attribmask = CWEventMask;
XWindowAttributes attribs_1;
XSetWindowAttributes attribs_2;
XGetWindowAttributes(x_disp, x_win, &attribs_1);
attribs_2.event_mask = attribs_1.your_event_mask | INPUT_MASK;
XChangeWindowAttributes(x_disp, x_win, attribmask, &attribs_2);
}
JOY_Init ();
_windowed_mouse = Cvar_Get ("_windowed_mouse", "0", CVAR_ARCHIVE, "None");
m_filter = Cvar_Get ("m_filter", "0", CVAR_ARCHIVE, "None");
in_dga = Cvar_Get ("in_dga", "1", CVAR_ARCHIVE, "DGA Input support");
in_dga_mouseaccel = Cvar_Get ("in_dga_mouseaccel", "1", CVAR_ARCHIVE,
"None");
XAutoRepeatOff (x_disp);
if (COM_CheckParm("-nomouse"))
return;
dga_avail = VID_CheckDGA (x_disp, NULL, NULL, NULL);
mouse_x = mouse_y = 0.0;
mouse_avail = 1;
x11_add_event(KeyPress, &event_key);
x11_add_event(KeyRelease, &event_key);
x11_add_event(ButtonPress, &event_button);
x11_add_event(ButtonRelease, &event_button);
x11_add_event(MotionNotify, &event_motion);
return;
}
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