mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-06 05:01:26 +00:00
be728c7b7c
first mouse move of the game doesn't screw up your view. Also does resonable behaviour when entering and leaving the window.
687 lines
14 KiB
C
687 lines
14 KiB
C
/*
|
|
context_x11.c
|
|
|
|
general x11 context layer
|
|
|
|
Copyright (C) 1996-1997 Id Software, Inc.
|
|
Copyright (C) 2000 Zephaniah E. Hull <warp@whitestar.soark.net>
|
|
Copyright (C) 2000, 2001 Jeff Teunissen <deek@quakeforge.net>
|
|
|
|
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
|
|
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
static __attribute__ ((unused)) const char rcsid[] =
|
|
"$Id$";
|
|
|
|
#ifdef HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
#ifdef HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif
|
|
|
|
#include <ctype.h>
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
# include <unistd.h>
|
|
#endif
|
|
#ifdef HAVE_EXECINFO_H
|
|
# include <execinfo.h>
|
|
#endif
|
|
|
|
#include <stdlib.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 <X11/extensions/XShm.h>
|
|
|
|
#ifdef HAVE_VIDMODE
|
|
# include <X11/extensions/xf86vmode.h>
|
|
#endif
|
|
|
|
#include "QF/console.h"
|
|
#include "QF/cvar.h"
|
|
#include "QF/input.h"
|
|
#include "QF/qargs.h"
|
|
#include "QF/qtypes.h"
|
|
#include "QF/sys.h"
|
|
#include "QF/va.h"
|
|
#include "QF/vid.h"
|
|
|
|
#include "context_x11.h"
|
|
#include "dga_check.h"
|
|
|
|
static void (*event_handlers[LASTEvent]) (XEvent *);
|
|
qboolean oktodraw = false;
|
|
int x_shmeventtype;
|
|
|
|
static int x_disp_ref_count = 0;
|
|
|
|
Display *x_disp = NULL;
|
|
int x_screen;
|
|
Window x_root = None;
|
|
XVisualInfo *x_visinfo;
|
|
Visual *x_vis;
|
|
Window x_win;
|
|
Cursor nullcursor = None;
|
|
Time x_time;
|
|
|
|
qboolean x_have_focus = false;
|
|
|
|
#define X_MASK (VisibilityChangeMask | StructureNotifyMask | ExposureMask | FocusChangeMask | EnterWindowMask)
|
|
#define MOUSE_MASK (ButtonPressMask | ButtonReleaseMask | PointerMotionMask)
|
|
|
|
#ifdef HAVE_VIDMODE
|
|
static XF86VidModeModeInfo **vidmodes;
|
|
static int nummodes;
|
|
static int original_mode = 0;
|
|
static vec3_t x_gamma = {-1, -1, -1};
|
|
static qboolean vidmode_avail = false;
|
|
#endif
|
|
|
|
static qboolean vidmode_active = false;
|
|
|
|
qboolean vid_fullscreen_active;
|
|
static qboolean vid_context_created = false;
|
|
static int window_x, window_y, window_saved;
|
|
|
|
static int xss_timeout;
|
|
static int xss_interval;
|
|
static int xss_blanking;
|
|
static int xss_exposures;
|
|
|
|
|
|
qboolean
|
|
X11_AddEvent (int event, void (*event_handler) (XEvent *))
|
|
{
|
|
if (event >= LASTEvent) {
|
|
Sys_Printf ("event: %d, LASTEvent: %d\n", event, LASTEvent);
|
|
return false;
|
|
}
|
|
|
|
if (event_handlers[event])
|
|
return false;
|
|
|
|
event_handlers[event] = event_handler;
|
|
return true;
|
|
}
|
|
|
|
qboolean
|
|
X11_RemoveEvent (int event, void (*event_handler) (XEvent *))
|
|
{
|
|
if (event >= LASTEvent)
|
|
return false;
|
|
|
|
if (event_handlers[event] != event_handler)
|
|
return false;
|
|
|
|
event_handlers[event] = NULL;
|
|
return true;
|
|
}
|
|
|
|
static void
|
|
X11_ProcessEventProxy(XEvent *x_event)
|
|
{
|
|
if (x_event->type >= LASTEvent) {
|
|
if (x_event->type == x_shmeventtype)
|
|
oktodraw = 1;
|
|
return;
|
|
}
|
|
if (event_handlers[x_event->type])
|
|
event_handlers[x_event->type] (x_event);
|
|
}
|
|
|
|
void
|
|
X11_ProcessEvent (void)
|
|
{
|
|
XEvent x_event;
|
|
|
|
XNextEvent (x_disp, &x_event);
|
|
X11_ProcessEventProxy (&x_event);
|
|
}
|
|
|
|
void
|
|
X11_ProcessEvents (void)
|
|
{
|
|
// Get events from X server.
|
|
while (XPending (x_disp)) {
|
|
X11_ProcessEvent ();
|
|
}
|
|
}
|
|
|
|
void
|
|
X11_OpenDisplay (void)
|
|
{
|
|
if (!x_disp) {
|
|
x_disp = XOpenDisplay (NULL);
|
|
if (!x_disp) {
|
|
Sys_Error ("X11_OpenDisplay: Could not open display [%s]",
|
|
XDisplayName (NULL));
|
|
}
|
|
|
|
x_screen = DefaultScreen (x_disp);
|
|
x_root = RootWindow (x_disp, x_screen);
|
|
|
|
// for debugging only
|
|
XSynchronize (x_disp, True);
|
|
|
|
x_disp_ref_count = 1;
|
|
} else {
|
|
x_disp_ref_count++;
|
|
}
|
|
}
|
|
|
|
void
|
|
X11_CloseDisplay (void)
|
|
{
|
|
X11_RestoreGamma ();
|
|
|
|
if (nullcursor != None) {
|
|
XFreeCursor (x_disp, nullcursor);
|
|
nullcursor = None;
|
|
}
|
|
|
|
if (!--x_disp_ref_count) {
|
|
XCloseDisplay (x_disp);
|
|
x_disp = 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
X11_CreateNullCursor
|
|
|
|
Create an empty cursor (in other words, make it disappear)
|
|
*/
|
|
void
|
|
X11_CreateNullCursor (void)
|
|
{
|
|
Pixmap cursormask;
|
|
XGCValues xgc;
|
|
GC gc;
|
|
XColor dummycolour;
|
|
|
|
if (nullcursor != None)
|
|
return;
|
|
|
|
cursormask = XCreatePixmap (x_disp, x_root, 1, 1, 1);
|
|
xgc.function = GXclear;
|
|
|
|
gc = XCreateGC (x_disp, cursormask, GCFunction, &xgc);
|
|
|
|
XFillRectangle (x_disp, cursormask, gc, 0, 0, 1, 1);
|
|
|
|
dummycolour.pixel = 0;
|
|
dummycolour.red = 0;
|
|
dummycolour.flags = 04;
|
|
nullcursor = XCreatePixmapCursor (x_disp, cursormask, cursormask,
|
|
&dummycolour, &dummycolour, 0, 0);
|
|
XFreePixmap (x_disp, cursormask);
|
|
XFreeGC (x_disp, gc);
|
|
XDefineCursor (x_disp, x_win, nullcursor);
|
|
}
|
|
|
|
static void
|
|
X11_ForceMove (int x, int y)
|
|
{
|
|
int nx, ny;
|
|
|
|
if (!vid_context_created)
|
|
return;
|
|
|
|
XMoveWindow (x_disp, x_win, x, y);
|
|
XFlush(x_disp);
|
|
while (1) {
|
|
XEvent ev;
|
|
XMaskEvent (x_disp,StructureNotifyMask,&ev);
|
|
if (ev.type == ConfigureNotify) {
|
|
nx = ev.xconfigure.x;
|
|
ny = ev.xconfigure.y;
|
|
X11_ProcessEventProxy (&ev);
|
|
break;
|
|
}
|
|
X11_ProcessEventProxy (&ev);
|
|
}
|
|
// X11_GetWindowCoords (&nx, &ny);
|
|
nx -= x;
|
|
ny -= y;
|
|
if (nx == 0 || ny == 0) {
|
|
return;
|
|
}
|
|
x -= nx;
|
|
y -= ny;
|
|
|
|
#if 0 // hopefully this isn't needed! enable if it is.
|
|
if (x < 1 - vid.width)
|
|
x = 0;
|
|
if (y < 1 - vid.height)
|
|
y = 0;
|
|
#endif
|
|
|
|
XMoveWindow (x_disp, x_win, x, y);
|
|
XSync (x_disp, false);
|
|
// this is the best we can do.
|
|
while (1) {
|
|
XEvent ev;
|
|
XMaskEvent (x_disp, StructureNotifyMask, &ev);
|
|
if (ev.type == ConfigureNotify) {
|
|
X11_ProcessEventProxy (&ev);
|
|
break;
|
|
}
|
|
X11_ProcessEventProxy (&ev);
|
|
}
|
|
}
|
|
|
|
void
|
|
X11_SetVidMode (int width, int height)
|
|
{
|
|
const char *str = getenv ("MESA_GLX_FX");
|
|
|
|
if (vidmode_active)
|
|
return;
|
|
|
|
if (str && (tolower (*str) == 'f')) {
|
|
Cvar_Set (vid_fullscreen, "1");
|
|
}
|
|
|
|
#ifdef HAVE_VIDMODE
|
|
{
|
|
static int initialized = 0;
|
|
|
|
if (!vidmode_avail)
|
|
vidmode_avail = VID_CheckVMode (x_disp, NULL, NULL);
|
|
|
|
if (!initialized && vidmode_avail) {
|
|
vec3_t *temp;
|
|
|
|
initialized = 1;
|
|
|
|
vid_gamma_avail = true;
|
|
|
|
temp = X11_GetGamma ();
|
|
if (temp && temp[0] > 0) {
|
|
x_gamma[0] = (*temp)[0];
|
|
x_gamma[1] = (*temp)[1];
|
|
x_gamma[2] = (*temp)[2];
|
|
vid_gamma_avail = true;
|
|
free (temp);
|
|
}
|
|
|
|
}
|
|
|
|
if (vid_fullscreen->int_val && vidmode_avail) {
|
|
int i, dotclock;
|
|
int best_mode = 0;
|
|
qboolean found_mode = false;
|
|
XF86VidModeModeLine orig_data;
|
|
|
|
XF86VidModeGetAllModeLines (x_disp, x_screen, &nummodes,
|
|
&vidmodes);
|
|
XF86VidModeGetModeLine (x_disp, x_screen, &dotclock, &orig_data);
|
|
|
|
for (i = 0; i < nummodes; i++) {
|
|
if ((vidmodes[i]->hdisplay == orig_data.hdisplay) &&
|
|
(vidmodes[i]->vdisplay == orig_data.vdisplay)) {
|
|
original_mode = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < nummodes; i++) {
|
|
if ((vidmodes[i]->hdisplay == vid.width) &&
|
|
(vidmodes[i]->vdisplay == vid.height)) {
|
|
found_mode = true;
|
|
best_mode = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (found_mode) {
|
|
Con_DPrintf ("VID: Chose video mode: %dx%d\n", vid.width,
|
|
vid.height);
|
|
|
|
XF86VidModeSwitchToMode (x_disp, x_screen,
|
|
vidmodes[best_mode]);
|
|
X11_ForceViewPort ();
|
|
vidmode_active = true;
|
|
X11_SetScreenSaver ();
|
|
} else {
|
|
Con_Printf ("VID: Mode %dx%d can't go fullscreen.\n",
|
|
vid.width, vid.height);
|
|
vidmode_avail = vidmode_active = false;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
X11_UpdateFullscreen (cvar_t *fullscreen)
|
|
{
|
|
if (!vid_context_created)
|
|
return;
|
|
|
|
if (!fullscreen->int_val) {
|
|
X11_RestoreVidMode ();
|
|
if (window_saved) {
|
|
X11_ForceMove (window_x, window_y);
|
|
window_saved = 0;
|
|
}
|
|
IN_UpdateGrab (in_grab);
|
|
return;
|
|
} else {
|
|
IN_UpdateGrab (in_grab);
|
|
|
|
if (X11_GetWindowCoords (&window_x, &window_y))
|
|
window_saved = 1;
|
|
|
|
X11_SetVidMode (scr_width, scr_height);
|
|
|
|
IN_UpdateGrab (in_grab); // FIXME: why are there two of these?
|
|
|
|
if (!vidmode_active) {
|
|
window_saved = 0;
|
|
return;
|
|
}
|
|
|
|
X11_ForceMove (0, 0);
|
|
XWarpPointer (x_disp, None, x_win, 0, 0, 0, 0, vid.width / 2,
|
|
vid.height / 2);
|
|
// Done in X11_SetVidMode but moved the window since then
|
|
X11_ForceViewPort ();
|
|
}
|
|
}
|
|
|
|
void
|
|
X11_Init_Cvars (void)
|
|
{
|
|
vid_fullscreen = Cvar_Get ("vid_fullscreen", "0", CVAR_ARCHIVE,
|
|
&X11_UpdateFullscreen,
|
|
"Toggles fullscreen game mode");
|
|
vid_system_gamma = Cvar_Get ("vid_system_gamma", "1", CVAR_ARCHIVE, NULL,
|
|
"Use system gamma control if available");
|
|
}
|
|
|
|
void
|
|
X11_CreateWindow (int width, int height)
|
|
{
|
|
XSetWindowAttributes attr;
|
|
XClassHint *ClassHint;
|
|
XSizeHints *SizeHints;
|
|
char *resname;
|
|
unsigned long mask;
|
|
|
|
// window attributes
|
|
attr.background_pixel = 0;
|
|
attr.border_pixel = 0;
|
|
attr.colormap = XCreateColormap (x_disp, x_root, x_vis, AllocNone);
|
|
attr.event_mask = X_MASK;
|
|
mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
|
|
|
|
x_win = XCreateWindow (x_disp, x_root, 0, 0, width, height, 0,
|
|
x_visinfo->depth, InputOutput, x_vis, mask, &attr);
|
|
|
|
// Set window size hints
|
|
SizeHints = XAllocSizeHints ();
|
|
if (SizeHints) {
|
|
SizeHints->flags = (PMinSize | PMaxSize);
|
|
SizeHints->min_width = width;
|
|
SizeHints->min_height = height;
|
|
SizeHints->max_width = width;
|
|
SizeHints->max_height = height;
|
|
XSetWMNormalHints (x_disp, x_win, SizeHints);
|
|
|
|
XFree (SizeHints);
|
|
}
|
|
// Set window title
|
|
X11_SetCaption (va ("%s %s", PROGRAM, VERSION));
|
|
|
|
// Set icon name
|
|
XSetIconName (x_disp, x_win, PROGRAM);
|
|
|
|
// Set window class
|
|
ClassHint = XAllocClassHint ();
|
|
if (ClassHint) {
|
|
resname = strrchr (com_argv[0], '/');
|
|
|
|
ClassHint->res_name = (char *)(resname ? resname + 1 : com_argv[0]);
|
|
ClassHint->res_class = (char *)PACKAGE;
|
|
XSetClassHint (x_disp, x_win, ClassHint);
|
|
XFree (ClassHint);
|
|
}
|
|
|
|
XMapWindow (x_disp, x_win);
|
|
|
|
while (1) {
|
|
XEvent ev;
|
|
|
|
XMaskEvent (x_disp, StructureNotifyMask, &ev);
|
|
if (ev.type == MapNotify) {
|
|
X11_ProcessEventProxy (&ev);
|
|
break;
|
|
}
|
|
X11_ProcessEventProxy (&ev);
|
|
}
|
|
|
|
vid_context_created = true;
|
|
if (vid_fullscreen->int_val) {
|
|
X11_UpdateFullscreen (vid_fullscreen);
|
|
}
|
|
XRaiseWindow (x_disp, x_win);
|
|
}
|
|
|
|
void
|
|
X11_RestoreVidMode (void)
|
|
{
|
|
#ifdef HAVE_VIDMODE
|
|
if (vidmode_active) {
|
|
X11_RestoreScreenSaver ();
|
|
XF86VidModeSwitchToMode (x_disp, x_screen, vidmodes[original_mode]);
|
|
XFree (vidmodes);
|
|
vidmode_active = false;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
X11_GrabKeyboard (qboolean yes)
|
|
{
|
|
static qboolean is_grabbed = false;
|
|
|
|
if (yes) {
|
|
if (!is_grabbed) {
|
|
if (XGrabKeyboard (x_disp, x_win, 1, GrabModeAsync, GrabModeAsync,
|
|
CurrentTime) == GrabSuccess) {
|
|
is_grabbed = true;
|
|
XSetInputFocus (x_disp, x_win, RevertToPointerRoot,
|
|
CurrentTime);
|
|
}
|
|
}
|
|
} else {
|
|
XUngrabKeyboard (x_disp, CurrentTime);
|
|
is_grabbed = false;
|
|
}
|
|
}
|
|
|
|
static void
|
|
X11_GrabMouse (qboolean yes)
|
|
{
|
|
static qboolean is_grabbed = false;
|
|
|
|
if (yes) {
|
|
if (!is_grabbed) {
|
|
if (XGrabPointer (x_disp, x_win, True, MOUSE_MASK, GrabModeAsync,
|
|
GrabModeAsync, x_win, None,
|
|
CurrentTime) == GrabSuccess) {
|
|
is_grabbed = true;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
XUngrabPointer (x_disp, CurrentTime);
|
|
is_grabbed = false;
|
|
XWarpPointer (x_disp, x_win, x_win, 0, 0, 0, 0, vid.width / 2,
|
|
vid.height / 2);
|
|
}
|
|
|
|
void
|
|
X11_Grabber (qboolean grab)
|
|
{
|
|
if (!vid_context_created) {
|
|
Con_Printf ("No video context to grab to!\n");
|
|
return;
|
|
}
|
|
X11_GrabMouse (grab);
|
|
X11_GrabKeyboard (grab);
|
|
|
|
XSync (x_disp, false);
|
|
}
|
|
|
|
void
|
|
X11_SetCaption (const char *text)
|
|
{
|
|
if (x_disp && x_win && text)
|
|
XStoreName (x_disp, x_win, text);
|
|
}
|
|
|
|
qboolean
|
|
X11_GetWindowCoords (int *ax, int *ay)
|
|
{
|
|
#ifdef HAVE_VIDMODE
|
|
Window theroot, scrap;
|
|
int x, y;
|
|
unsigned int width, height, bdwidth, depth;
|
|
|
|
XSync (x_disp, false);
|
|
if ((XGetGeometry (x_disp, x_win, &theroot, &x, &y, &width, &height,
|
|
&bdwidth, &depth) == False)) {
|
|
Con_Printf ("XGetWindowAttributes failed in X11_GetWindowCoords.\n");
|
|
return false;
|
|
} else {
|
|
XTranslateCoordinates (x_disp,x_win,theroot, -bdwidth, -bdwidth,
|
|
ax, ay, &scrap);
|
|
Con_DPrintf ("Window coords = %dx%d (%d,%d)\n", *ax, *ay,
|
|
width, height);
|
|
return true;
|
|
}
|
|
#endif
|
|
return false;
|
|
}
|
|
|
|
void
|
|
X11_ForceViewPort (void)
|
|
{
|
|
#ifdef HAVE_VIDMODE
|
|
int ax, ay;
|
|
|
|
if (!vidmode_avail || !vid_context_created)
|
|
return;
|
|
|
|
if (!X11_GetWindowCoords (&ax, &ay)) {
|
|
// "icky kludge code"
|
|
Con_Printf ("VID: Falling back on warp kludge to set viewport.\n");
|
|
XWarpPointer (x_disp, None, x_win, 0, 0, 0, 0, scr_width, scr_height);
|
|
XWarpPointer (x_disp, None, x_win, 0, 0, 0, 0, 0, 0);
|
|
}
|
|
XF86VidModeSetViewPort (x_disp, x_screen, ax, ay);
|
|
#endif
|
|
}
|
|
|
|
vec3_t *
|
|
X11_GetGamma (void)
|
|
{
|
|
#ifdef HAVE_VIDMODE
|
|
# ifdef X_XF86VidModeGetGamma
|
|
XF86VidModeGamma xgamma;
|
|
vec3_t *temp;
|
|
|
|
if (vid_gamma_avail && vid_system_gamma->int_val) {
|
|
if (XF86VidModeGetGamma (x_disp, x_screen, &xgamma)) {
|
|
if ((temp = malloc (sizeof (vec3_t)))) {
|
|
(*temp)[0] = xgamma.red;
|
|
(*temp)[1] = xgamma.green;
|
|
(*temp)[2] = xgamma.blue;
|
|
return temp;
|
|
}
|
|
return NULL;
|
|
}
|
|
}
|
|
# endif
|
|
#endif
|
|
vid_gamma_avail = false;
|
|
return NULL;
|
|
}
|
|
|
|
qboolean
|
|
X11_SetGamma (double gamma)
|
|
{
|
|
#ifdef HAVE_VIDMODE
|
|
# ifdef X_XF86VidModeSetGamma
|
|
XF86VidModeGamma xgamma;
|
|
|
|
if (vid_gamma_avail && vid_system_gamma->int_val && x_have_focus) {
|
|
xgamma.red = xgamma.green = xgamma.blue = (float) gamma;
|
|
if (XF86VidModeSetGamma (x_disp, x_screen, &xgamma))
|
|
return true;
|
|
}
|
|
# endif
|
|
#endif
|
|
return false;
|
|
}
|
|
|
|
void
|
|
X11_RestoreGamma (void)
|
|
{
|
|
#ifdef HAVE_VIDMODE
|
|
# ifdef X_XF86VidModeSetGamma
|
|
XF86VidModeGamma xgamma;
|
|
|
|
if (vid_gamma_avail && x_gamma[0] > 0) {
|
|
xgamma.red = x_gamma[0];
|
|
xgamma.green = x_gamma[1];
|
|
xgamma.blue = x_gamma[2];
|
|
XF86VidModeSetGamma (x_disp, x_screen, &xgamma);
|
|
}
|
|
# endif
|
|
#endif
|
|
}
|
|
|
|
void
|
|
X11_SetScreenSaver (void)
|
|
{
|
|
XGetScreenSaver (x_disp, &xss_timeout, &xss_interval, &xss_blanking,
|
|
&xss_exposures);
|
|
XSetScreenSaver (x_disp, 0, xss_interval, xss_blanking, xss_exposures);
|
|
}
|
|
|
|
void
|
|
X11_RestoreScreenSaver (void)
|
|
{
|
|
XSetScreenSaver (x_disp, xss_timeout, xss_interval, xss_blanking,
|
|
xss_exposures);
|
|
}
|