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quakeforge-old/common/in_x11.c

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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 <string.h>
#include <errno.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <X11/Xlib.h>
#include <X11/keysym.h>
#ifdef HAS_DGA
#include <X11/extensions/XShm.h>
#include <X11/extensions/xf86dga.h>
#endif
#include <quakedef.h>
#include <d_local.h>
#include <sound.h>
#include <keys.h>
#include <cvar.h>
#include <sys.h>
#include <cmd.h>
#include <lib_replace.h>
#include <draw.h>
#include <console.h>
#include <client.h>
#include <context_x11.h>
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
cvar_t *_windowed_mouse;
cvar_t *m_filter;
#ifdef HAS_DGA
cvar_t *in_dgamouse;
cvar_t *vid_dga_mouseaccel;
#endif
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;
static float old_windowed_mouse;
static Cursor nullcursor = None;
#define KEY_MASK (KeyPressMask | KeyReleaseMask)
#define MOUSE_MASK (ButtonPressMask | ButtonReleaseMask | PointerMotionMask)
#define INPUT_MASK (KEY_MASK | MOUSE_MASK)
/*
======================
Create an empty cursor
======================
*/
static void
CreateNullCursor(Display *display, Window root)
{
Pixmap cursormask;
XGCValues xgc;
GC gc;
XColor dummycolour;
if (nullcursor != None) return;
cursormask = XCreatePixmap(display, root, 1, 1, 1/*depth*/);
xgc.function = GXclear;
gc = XCreateGC(display, cursormask, GCFunction, &xgc);
XFillRectangle(display, cursormask, gc, 0, 0, 1, 1);
dummycolour.pixel = 0;
dummycolour.red = 0;
dummycolour.flags = 04;
nullcursor = XCreatePixmapCursor(display, cursormask, cursormask,
&dummycolour,&dummycolour, 0,0);
XFreePixmap(display,cursormask);
XFreeGC(display,gc);
}
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)
{
#ifdef HAS_DGA
if (in_dgamouse->value) {
mouse_x += event->xmotion.x_root * vid_dga_mouseaccel->value;
mouse_y += event->xmotion.y_root * vid_dga_mouseaccel->value;
} else
#endif
{
//printf("_windowed_mouse: %f\n", _windowed_mouse->value);
//printf("CurrentTime: %ld\n", CurrentTime);
if (_windowed_mouse->value) {
if (!event->xmotion.send_event) {
mouse_x += (event->xmotion.x - p_mouse_x);
mouse_y += (event->xmotion.y - p_mouse_y);
#undef ABS
#define ABS(a) (((int)(a) < 0) ? -(a) : (a))
if (ABS(vid.width/2 - event->xmotion.x)
> vid.width / 4
|| ABS(vid.height/2 - event->xmotion.y)
> vid.height / 4) {
#undef ABS
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_Frame(void)
{
if (old_windowed_mouse != _windowed_mouse->value) {
old_windowed_mouse = _windowed_mouse->value;
if (!_windowed_mouse->value) {
/* ungrab the pointer */
XUngrabPointer(x_disp,CurrentTime);
} else {
/* grab the pointer */
XGrabPointer(x_disp, x_win, True, MOUSE_MASK, GrabModeAsync,
GrabModeAsync, x_win, None, CurrentTime);
//XGrabPointer(x_disp,x_win,True,0,GrabModeAsync,
// GrabModeAsync,x_win,None,CurrentTime);
}
}
}
void
IN_SendKeyEvents(void)
{
/* Get events from X server. */
x11_process_events();
}
void
IN_Move(usercmd_t *cmd)
{
if (!mouse_avail)
return;
if (m_filter->value) {
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->value && (in_mlook.state & 1) ))
cmd->sidemove += m_side->value * mouse_x;
else
cl.viewangles[YAW] -= m_yaw->value * mouse_x;
if (in_mlook.state & 1)
V_StopPitchDrift ();
if ( (in_mlook.state & 1) && !(in_strafe.state & 1)) {
cl.viewangles[PITCH] += m_pitch->value * mouse_y;
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 * mouse_y;
else
cmd->forwardmove -= m_forward->value * mouse_y;
}
mouse_x = mouse_y = 0.0;
}
/*
static void IN_ExtraOptionDraw(unsigned int options_draw_cursor)
{
// Windowed Mouse
M_Print(16, options_draw_cursor+=8, " Use Mouse");
M_DrawCheckbox(220, options_draw_cursor, _windowed_mouse->value);
}
static void IN_ExtraOptionCmd(int option_cursor)
{
switch (option_cursor) {
case 1: // _windowed_mouse
_windowed_mouse->value = !_windowed_mouse->value;
break;
}
}
*/
/*
Called at shutdown
*/
void
IN_Shutdown(void)
{
Con_Printf("IN_Shutdown\n");
mouse_avail = 0;
XAutoRepeatOn(x_disp);
if (nullcursor != None) {
XFreeCursor(x_disp, nullcursor);
nullcursor = None;
}
#ifdef HAS_DGA
XF86DGADirectVideo(x_disp, DefaultScreen(x_disp), 0);
#endif
x11_close_display();
}
int
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);
}
_windowed_mouse = Cvar_Get ("_windowed_mouse","0",CVAR_ARCHIVE,"None");
m_filter = Cvar_Get ("m_filter","0",CVAR_ARCHIVE,"None");
#ifdef HAS_DGA
vid_dga_mouseaccel = Cvar_Get ("vid_dga_mouseaccel","1",CVAR_ARCHIVE,
"None");
if (!COM_CheckParm("-nodga")) {
// XF86DGASetViewPort, XF86DGASetVidPage, and XF86DGADirectVideo's
// XF86DGADirectVideo flag are disabled till someone has a chance to
// figure out what's wrong with them (if anything) --KB
// XF86DGASetViewPort(x_disp, DefaultScreen(x_disp), 0, 0);
XF86DGADirectVideo(x_disp, DefaultScreen(x_disp),
/*XF86DGADirectGraphics|*/
XF86DGADirectMouse|XF86DGADirectKeyb);
// XF86DGASetVidPage(x_disp, DefaultScreen(x_disp), 0);
XGrabKeyboard(x_disp, x_win, True, GrabModeAsync, GrabModeAsync, CurrentTime);
XGrabPointer(x_disp, x_win, True, MOUSE_MASK, GrabModeAsync, GrabModeAsync,
x_win, None, CurrentTime);
in_dgamouse = Cvar_Get ("in_dgamouse", "1", CVAR_ROM,
"1 if you have DGA mouse support");
} else
in_dgamouse = Cvar_Get ("in_dgamouse", "0", CVAR_ROM,
"1 if you have DGA mouse support");
#endif
if (COM_CheckParm("-nomouse")) return 1;
mouse_x = mouse_y = 0.0;
mouse_avail = 1;
/* Invisible cursor */
CreateNullCursor(x_disp, x_win);
XDefineCursor(x_disp, x_win, nullcursor);
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 1;
}
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