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in_x.c
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in_x.c
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/*
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_x.c -- X Window System input/output driver code
#include "quakedef.h"
#include "unixquake.h"
#include "xquake.h"
Display *x_disp = NULL;
Window x_win;
qboolean mouse_available; // Mouse available for use
qboolean keyboard_available; // Keyboard available for use
qboolean mouse_grab_active, keyboard_grab_active;
qboolean dga_mouse_available, dga_keyboard_available;
qboolean dga_mouse_active, dga_keyboard_active;
float mouse_x=0, mouse_y=0;
static float old_mouse_x, old_mouse_y;
cvar_t m_filter = {"m_filter", "0", true};
qboolean vidmode_fullscreen = false; // was vidmode_active
// if window is not the active window, don't hog as much CPU time,
// let go of the mouse, turn off sound, and restore system gamma ramps...
qboolean vid_activewindow;
// if window is hidden, don't update screen
qboolean vid_hiddenwindow;
// if mouse entered/leaved window
qboolean vid_notifywindow;
static const byte scantokey[128] =
{
/* 0 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 8 */ 0, K_ESCAPE, '1', '2', '3', '4', '5', '6',
/* 10 */ '7', '8', '9', '0', '-', '=', K_BACKSPACE, K_TAB,
/* 18 */ 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i',
/* 20 */ 'o', 'p', '[', ']', K_ENTER, K_CTRL, 'a', 's',
/* 28 */ 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';',
/* 30 */ '\'', '`', K_SHIFT, '\\', 'z', 'x', 'c', 'v',
/* 38 */ 'b', 'n', 'm', ',', '.', '/', K_SHIFT, K_KP_STAR,
/* 40 */ K_ALT, ' ', K_CAPSLOCK, K_F1, K_F2, K_F3, K_F4, K_F5,
/* 48 */ K_F6, K_F7, K_F8, K_F9, K_F10, K_PAUSE, 0, K_HOME,
/* 50 */ K_UPARROW, K_PGUP, K_KP_MINUS, K_LEFTARROW, K_KP_5, K_RIGHTARROW, K_KP_PLUS, K_END,
/* 58 */ K_DOWNARROW, K_PGDN, K_INS, K_DEL, 0, 0, '\\', K_F11,
/* 60 */ K_F12, K_HOME, K_UPARROW, K_PGUP, K_LEFTARROW, 0, K_RIGHTARROW, K_END,
/* 68 */ K_DOWNARROW, K_PGDN, K_INS, K_DEL, K_ENTER, K_CTRL, K_PAUSE, 0,
/* 70 */ '/', K_ALT, 0, 0, 0, 0, 0, 0,
/* 78 */ 0, 0, 0, 0, 0, 0, 0, 0
};
/*
===========
XLateKey
Transform from X key symbols to Quake's symbols
===========
*/
int XLateKey (XKeyEvent *ev)
{
int key;
char buf[64];
KeySym keysym;
int lookupRet;
key = 0;
lookupRet = XLookupString(ev, buf, sizeof(buf), &keysym, 0);
switch(keysym)
{
case XK_KP_Page_Up:
case XK_Page_Up:
key = K_PGUP;
break;
case XK_KP_Page_Down:
case XK_Page_Down:
key = K_PGDN;
break;
case XK_KP_Home:
case XK_Home:
key = K_HOME;
break;
case XK_KP_End:
case XK_End:
key = K_END;
break;
case XK_KP_Left:
case XK_Left:
key = K_LEFTARROW;
break;
case XK_KP_Right:
case XK_Right:
key = K_RIGHTARROW;
break;
case XK_KP_Down:
case XK_Down:
key = K_DOWNARROW;
break;
case XK_KP_Up:
case XK_Up:
key = K_UPARROW;
break;
case XK_Escape:
key = K_ESCAPE;
break;
case XK_KP_Enter:
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:
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_Alt_L:
case XK_Meta_L:
case XK_Alt_R:
case XK_Meta_R:
key = K_ALT;
break;
case XK_KP_Begin:
key = K_AUX30;
break;
case XK_Insert:
case XK_KP_Insert:
key = K_INS;
break;
case XK_KP_Multiply:
key = '*';
break;
case XK_KP_Add:
key = '+';
break;
case XK_KP_Subtract:
key = '-';
break;
case XK_KP_Divide:
key = '/';
break;
case XK_section:
key = '~';
break;
case XK_Caps_Lock:
key = K_CAPSLOCK;
break;
case XK_Num_Lock:
key = K_KP_NUMLOCK;
break;
default:
if (lookupRet > 0)
{
key = *(byte *)buf;
if (key >= 'A' && key <= 'Z')
key = key - 'A' + 'a';
// clipboard
if (key >= 1 && key <= 26)
key = key + 'a' - 1;
}
else
{
key = scantokey[ev->keycode];
}
break;
}
return key;
}
/*
===========
CreateNullCursor
makes a null cursor
===========
*/
static Cursor CreateNullCursor (void)
{
Pixmap cursormask;
XGCValues xgc;
GC gc;
XColor dummycolour;
Cursor cursor;
cursormask = XCreatePixmap(x_disp, x_win, 1, 1, 1 /* depth */ );
xgc.function = GXclear;
gc = XCreateGC(x_disp, cursormask, GCFunction, &xgc);
XFillRectangle(x_disp, cursormask, gc, 0, 0, 1, 1);
dummycolour.pixel = 0;
dummycolour.flags = 0;
cursor = XCreatePixmapCursor(x_disp, cursormask, cursormask, &dummycolour, &dummycolour, 0, 0);
XFreePixmap(x_disp, cursormask);
XFreeGC(x_disp, gc);
return cursor;
}
/*
===========
IN_ActivateDGAMouse
===========
*/
static void IN_ActivateDGAMouse (void)
{
int DGAflags;
if (dga_mouse_available && !dga_mouse_active)
{
DGAflags = XF86DGADirectMouse;
if (dga_keyboard_active)
{
XF86DGADirectVideo(x_disp, DefaultScreen(x_disp), 0);
DGAflags |= XF86DGADirectKeyb;
}
XF86DGADirectVideo(x_disp, DefaultScreen(x_disp), DGAflags);
dga_mouse_active = true;
}
}
/*
===========
IN_DeactivateDGAMouse
===========
*/
static void IN_DeactivateDGAMouse (void)
{
int DGAflags;
if (dga_mouse_available && dga_mouse_active)
{
DGAflags = 0;
if (dga_keyboard_active)
{
XF86DGADirectVideo(x_disp, DefaultScreen(x_disp), 0);
DGAflags |= XF86DGADirectKeyb;
}
XF86DGADirectVideo(x_disp, DefaultScreen(x_disp), DGAflags);
dga_mouse_active = false;
}
}
/*
===========
IN_GrabMouse
===========
*/
void IN_GrabMouse (void)
{
if (mouse_available && !mouse_grab_active && x_win)
{
// XWindowAttributes attribs_1;
// XSetWindowAttributes attribs_2;
//
// XGetWindowAttributes(x_disp, x_win, &attribs_1);
// attribs_2.event_mask = attribs_1.your_event_mask | KEY_MASK | MOUSE_MASK;
// XChangeWindowAttributes(x_disp, x_win, CWEventMask, &attribs_2);
// hide cursor
XDefineCursor(x_disp, x_win, CreateNullCursor());
// grab pointer
XGrabPointer(x_disp, x_win, True, 0, GrabModeAsync, GrabModeAsync, x_win, None, CurrentTime);
if (dga_mouse_available)
{
if (!vidmode_fullscreen /* && (vid.width < 640 || vid.height < 480) */ )
{
// Con_Warning ("Running low-res windowed mode, XFree86 DGA Mouse disabled\n");
Con_Warning ("Running windowed mode, XFree86 DGA Mouse disabled\n");
dga_mouse_available = false;
}
else
IN_ActivateDGAMouse();
}
mouse_grab_active = true;
}
}
/*
===========
IN_UngrabMouse
===========
*/
void IN_UngrabMouse (void)
{
if (mouse_available && mouse_grab_active)
{
if (dga_mouse_active)
{
IN_DeactivateDGAMouse();
}
// ungrab pointer
XUngrabPointer(x_disp, CurrentTime);
// show cursor
if (x_win)
XUndefineCursor(x_disp, x_win);
mouse_grab_active = false;
}
}
/*
===========
IN_ActivateDGAKeyboard
===========
*/
static void IN_ActivateDGAKeyboard (void)
{
int DGAflags;
if (dga_keyboard_available && !dga_keyboard_active)
{
DGAflags = XF86DGADirectKeyb;
if (dga_mouse_active)
{
XF86DGADirectVideo(x_disp, DefaultScreen(x_disp), 0);
DGAflags |= XF86DGADirectMouse;
}
XF86DGADirectVideo(x_disp, DefaultScreen(x_disp), DGAflags);
dga_keyboard_active = true;
}
}
/*
===========
IN_DeactivateDGAKeyboard
===========
*/
static void IN_DeactivateDGAKeyboard (void)
{
int DGAflags;
if (dga_keyboard_available && dga_keyboard_active)
{
DGAflags = 0;
if (dga_mouse_active)
{
XF86DGADirectVideo(x_disp, DefaultScreen(x_disp), 0);
DGAflags |= XF86DGADirectMouse;
}
XF86DGADirectVideo(x_disp, DefaultScreen(x_disp), DGAflags);
dga_keyboard_active = false;
}
}
/*
===========
IN_GrabKeyboard
===========
*/
void IN_GrabKeyboard (void)
{
if (keyboard_available && !keyboard_grab_active && x_win)
{
// grab keyboard
XGrabKeyboard(x_disp, x_win, False, GrabModeAsync, GrabModeAsync, CurrentTime);
if (dga_keyboard_available)
{
if (!vidmode_fullscreen /* && (vid.width < 640 || vid.height < 480) */ )
{
// Con_Warning ("Running low-res windowed mode, XFree86 DGA Keyboard disabled\n");
Con_Warning ("Running windowed mode, XFree86 DGA Keyboard disabled\n");
dga_keyboard_available = false;
}
else
IN_ActivateDGAKeyboard();
}
keyboard_grab_active = true;
}
}
/*
===========
IN_UngrabKeyboard
===========
*/
void IN_UngrabKeyboard (void)
{
if (keyboard_available && keyboard_grab_active)
{
if (dga_keyboard_active)
{
IN_DeactivateDGAKeyboard();
}
// ungrab keyboard
XUngrabKeyboard(x_disp, CurrentTime);
keyboard_grab_active = false;
}
}
/*
===========
Force_CenterView_f
===========
*/
void Force_CenterView_f (void)
{
cl.viewangles[PITCH] = 0;
}
/*
===========
IN_Init
===========
*/
void IN_Init (void)
{
int MajorVersion = 0, MinorVersion = 0;
qboolean DGA = false;
Cvar_RegisterVariable (&m_filter, NULL);
Cmd_AddCommand ("force_centerview", Force_CenterView_f);
if (COM_CheckParm ("-nomouse"))
mouse_available = false;
else
mouse_available = true;
mouse_grab_active = false;
dga_mouse_available = false;
dga_mouse_active = false;
if (COM_CheckParm ("-nokbd"))
keyboard_available = false;
else
keyboard_available = true;
keyboard_grab_active = false;
dga_keyboard_available = false;
dga_keyboard_active = false;
if (x_disp == NULL)
Sys_Error ("IN_Init: x_disp not initialised before input...");
DGA = XF86DGAQueryVersion(x_disp, &MajorVersion, &MinorVersion);
if(COM_CheckParm("-nodga"))
{
Con_Warning ("XFree86 DGA extension disabled at command line\n");
}
else if (DGA)
{
Con_Printf ("XFree86 DGA extension version %d.%d found\n", MajorVersion, MinorVersion);
if (COM_CheckParm("-nodgamouse"))
Con_Warning ("XFree86 DGA Mouse disabled at command line\n");
else
dga_mouse_available = true;
if (COM_CheckParm("-nodgakeyb"))
Con_Warning ("XFree86 DGA Keyboard disabled at command line\n");
else
dga_keyboard_available = true;
}
else
{
Con_Warning ("XFree86 DGA extension not supported\n");
}
IN_GrabMouse(); // grab mouse first!
IN_GrabKeyboard();
}
/*
===========
IN_Shutdown
===========
*/
void IN_Shutdown (void)
{
IN_UngrabMouse();
IN_UngrabKeyboard();
}
/*
===========
IN_Commands
===========
*/
void IN_Commands (void)
{
}
/*
===========
IN_MouseWheel
===========
*/
void IN_MouseWheel (void)
{
}
/*
===========
IN_MouseMove
===========
*/
void IN_MouseMove (usercmd_t *cmd)
{
float mx, my;
if (!mouse_grab_active)
return;
// apply m_filter if it is on
mx = mouse_x;
my = mouse_y;
if (m_filter.value)
{
mouse_x = (mx + old_mouse_x) * 0.5;
mouse_y = (my + old_mouse_y) * 0.5;
}
old_mouse_x = mx;
old_mouse_y = my;
mouse_x *= sensitivity.value;
mouse_y *= sensitivity.value;
// add mouse X/Y movement to cmd
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;
// variable pitch clamping
if (cl.viewangles[PITCH] > cl_maxpitch.value)
cl.viewangles[PITCH] = cl_maxpitch.value;
if (cl.viewangles[PITCH] < cl_minpitch.value)
cl.viewangles[PITCH] = cl_minpitch.value;
}
else
{
if ((in_strafe.state & 1) && cl.noclip_anglehack)
cmd->upmove -= m_forward.value * mouse_y;
else
cmd->forwardmove -= m_forward.value * mouse_y;
}
mouse_x = 0;
mouse_y = 0;
}
/*
===========
IN_Move
===========
*/
void IN_Move (usercmd_t *cmd)
{
if (vid_activewindow && !vid_hiddenwindow)
IN_MouseMove(cmd);
}
void IN_CheckResize (void)
{
// check for resize
if (!vidmode_fullscreen)
{
if (window_width < 320)
window_width = 320;
if (window_height < 200)
window_height = 200;
vid.width = window_width;
vid.height = window_height;
vid.conwidth = vid.width;
vid.conheight = vid.height;
vid.recalc_refdef = true; // force a surface cache flush
}
}
void IN_CheckActive (void)
{
static qboolean active = true;
if(vidmode_fullscreen)
{
if (!vid_hiddenwindow)
{
// // set our video mode
// XF86VidModeSwitchToMode(x_disp, scrnum, &game_vidmode);
//
// // move the viewport to top left
// XF86VidModeSetViewPort(x_disp, scrnum, 0, 0);
}
else if (vid_hiddenwindow)
{
// set our video mode
// XF86VidModeSwitchToMode(x_disp, scrnum, &init_vidmode);
}
}
else //if (!vidmode_fullscreen)
{
// enable/disable sound, set/restore gamma and grab/ungrab keyb
// on focus gain/loss
if (vid_activewindow && !vid_hiddenwindow)// && !active)
{
if (!active)
{
CDAudio_Resume ();
S_UnblockSound ();
S_ClearBuffer ();
VID_Gamma_Set ();
// IN_GrabKeyboard();
active = true;
// printf("*** Active ***\n");
}
}
else //if (active)
{
if (active)
{
CDAudio_Pause ();
S_BlockSound ();
S_ClearBuffer ();
VID_Gamma_Restore ();
// IN_UngrabKeyboard();
Key_ClearStates ();
active = false;
// printf("*** Inactive ***\n");
}
}
}
// fix the leftover Alt from any Alt-Tab or the like that switched us away
// Key_ClearStates ();
}
/*
===========
IN_ProcessEvents
===========
*/
void IN_ProcessEvents (void)
{
// getting and handle events
{
XEvent x_event;
// static qboolean active = true;
if (!x_disp)
return;
while (XPending(x_disp))
{
XNextEvent(x_disp, &x_event);
switch (x_event.type)
{
case KeyPress: // key pressed
case KeyRelease: // key released
Key_Event(XLateKey(&x_event.xkey), x_event.type == KeyPress);
break;
case MotionNotify: // mouse moved
if (mouse_grab_active)
{
if (dga_mouse_active)
{
mouse_x += (float)x_event.xmotion.x_root;
mouse_y += (float)x_event.xmotion.y_root;
}
else
{
mouse_x = (float)x_event.xmotion.x - (float)(vid.width / 2);
mouse_y = (float)x_event.xmotion.y - (float)(vid.height / 2);
if (mouse_x || mouse_y) // do warp
{
// move the mouse to the window center again
XWarpPointer(x_disp, None, x_win, 0, 0, 0, 0, vid.width / 2, vid.height / 2);
}
}
}
break;
case ButtonPress: // mouse button pressed
case ButtonRelease: // mouse button released
switch (x_event.xbutton.button)
{
case 1:
Key_Event (K_MOUSE1, x_event.type == ButtonPress);
break;
case 2:
Key_Event (K_MOUSE3, x_event.type == ButtonPress);
break;
case 3:
Key_Event (K_MOUSE2, x_event.type == ButtonPress);
break;
case 4:
Key_Event (K_MWHEELUP, x_event.type == ButtonPress);
break;
case 5:
Key_Event (K_MWHEELDOWN, x_event.type == ButtonPress);
break;
case 6:
Key_Event (K_MOUSE4, x_event.type == ButtonPress);
break;
case 7:
Key_Event (K_MOUSE5, x_event.type == ButtonPress);
break;
case 8:
Key_Event (K_MOUSE6, x_event.type == ButtonPress);
break;
case 9:
Key_Event (K_MOUSE7, x_event.type == ButtonPress);
break;
case 10:
Key_Event (K_MOUSE8, x_event.type == ButtonPress);
break;
}
break;
case CreateNotify: // window created
window_x = x_event.xcreatewindow.x;
window_y = x_event.xcreatewindow.y;
window_width = x_event.xcreatewindow.width;
window_height = x_event.xcreatewindow.height;
break;
case ConfigureNotify: // window changed size/location
window_x = x_event.xconfigure.x;
window_y = x_event.xconfigure.y;
window_width = x_event.xconfigure.width;
window_height = x_event.xconfigure.height;
IN_CheckResize();
// // check for resize
// if (!vidmode_fullscreen)
// {
// if (window_width < 320)
// window_width = 320;
// if (window_height < 200)
// window_height = 200;
//
//// x_event.xconfigure.width = window_width;
//// x_event.xconfigure.height = window_height;
//
// vid.width = window_width;
// vid.height = window_height;
//
// vid.conwidth = vid.width;
// vid.conheight = vid.height;
//
// vid.recalc_refdef = true; // force a surface cache flush
// }
break;
case DestroyNotify: // window has been destroyed
Sys_Quit (0);
break;
case ClientMessage: // window manager messages
if ((x_event.xclient.format == 32) && ((unsigned int)x_event.xclient.data.l[0] == wm_delete_window_atom))
Sys_Quit (0);
break;
case MapNotify: // window restored
case UnmapNotify: // window iconified/rolledup/whatever
vid_hiddenwindow = (x_event.type == UnmapNotify);
IN_CheckActive();
break;
case FocusIn: // window is now the input focus
case FocusOut: // window is no longer the input focus
if (x_event.xfocus.mode == NotifyGrab || x_event.xfocus.mode == NotifyUngrab)
continue; // Someone is handling a global hotkey, ignore it
vid_activewindow = (x_event.type == FocusIn);
IN_CheckActive();
break;
// switch (x_event.xfocus.mode)
// {
// case NotifyNormal:
// case NotifyGrab:
// case NotifyUngrab:
// vid_activewindow = (x_event.type == FocusIn);
// break;
// }
// if(vidmode_fullscreen)
// {
// if(x_event.type == MapNotify)
// {
// // set our video mode
// XF86VidModeSwitchToMode(x_disp, scrnum, &game_vidmode);
//
// // move the viewport to top left
// XF86VidModeSetViewPort(x_disp, scrnum, 0, 0);
// }
// else if(x_event.type == UnmapNotify)
// {
// // set our video mode
// XF86VidModeSwitchToMode(x_disp, scrnum, &init_vidmode);
// }
// }
// else //if (!vidmode_fullscreen)
// {
// // enable/disable sound, set/restore gamma and grab/ungrab keyb
// // on focus gain/loss
// if (vid_activewindow && !vid_hiddenwindow)// && !active)
// {
// if (!active) {
// S_UnblockSound ();
// S_ClearBuffer ();
// VID_Gamma_Set ();
// IN_GrabKeyboard();
// active = true;
// printf("*** Active ***\n");
// }
// }
// else //if (active)
// {
// if (active) {
// S_BlockSound ();
// S_ClearBuffer ();
// VID_Gamma_Restore ();
// IN_UngrabKeyboard();
// active = false;
// printf("*** Inactive ***\n");
// }
// }
// }
//
// // fix the leftover Alt from any Alt-Tab or the like that switched us away
// Key_ClearStates ();
// break;
case EnterNotify: // mouse entered window
case LeaveNotify: // mouse left window
vid_notifywindow = (x_event.type == EnterNotify);
break;
default:
break;
}
}
}
// handle the mouse state when windowed if that's changed
if (!vidmode_fullscreen)
{
if ( key_dest == key_game && !mouse_grab_active && vid_activewindow )
// if ( key_dest != key_console && !mouse_grab_active && vid_activewindow )
{
IN_GrabMouse();
IN_GrabKeyboard();
}
else if ( key_dest != key_game && mouse_grab_active )
// else if ( key_dest == key_console && mouse_grab_active )
{