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quakeforge/nq/source/vid_sunx.c
Bill Currie 1fce1ea12e run indent over all the .c files using qw's .indent.pro. The real reason for 
this is I mistakenly did so while making some other changes (which I made sure
were NOT in the checkin:)
2001-02-26 06:48:02 +00:00

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/*
vid_sunx.c
@description@
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#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 <X11/extensions/XShm.h>
#include "d_local.h"
cvar_t *m_filter;
qboolean mouse_avail;
int mouse_buttons = 3;
int mouse_oldbuttonstate;
int mouse_buttonstate;
float mouse_x, mouse_y;
float old_mouse_x, old_mouse_y;
int p_mouse_x;
int p_mouse_y;
qboolean mouse_grabbed = false; // we grab it when console is up
int VGA_width, VGA_height, VGA_rowbytes, VGA_bufferrowbytes, VGA_planar;
byte *VGA_pagebase;
// The following X property format is defined in Motif 1.1's
// Xm/MwmUtils.h, but QUAKE should not depend on that header
// file. Note: Motif 1.2 expanded this structure with
// uninteresting fields (to QUAKE) so just stick with the
// smaller Motif 1.1 structure.
#define MWM_HINTS_DECORATIONS 2
typedef struct {
long flags;
long functions;
long decorations;
long input_mode;
} MotifWmHints;
#define MAX_COLUMN_SIZE 11
#define MAX_MODEDESCS (MAX_COLUMN_SIZE*3)
typedef struct {
int modenum;
int iscur;
char desc[256];
} modedesc_t;
extern void M_Menu_Options_f (void);
extern void M_Print (int cx, int cy, char *str);
extern void M_PrintWhite (int cx, int cy, char *str);
extern void M_DrawCharacter (int cx, int line, int num);
extern void M_DrawTransPic (int x, int y, qpic_t *pic);
extern void M_DrawPic (int x, int y, qpic_t *pic);
extern int sb_updates;
extern int x_root, y_root; // root window relative mouse coords
typedef struct {
int input;
int output;
} keymap_t;
viddef_t vid; // global video state
unsigned short d_8to16table[256];
int num_shades = 32;
int d_con_indirect = 0;
int vid_buffersize;
#define STD_EVENT_MASK \
( KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | \
PointerMotionMask | EnterWindowMask | LeaveWindowMask | VisibilityChangeMask | \
ExposureMask | StructureNotifyMask )
qboolean x_fullscreen = true;
Display *x_disp = NULL;
int x_screen, x_screen_width, x_screen_height;
int x_center_width, x_center_height;
int x_std_event_mask = STD_EVENT_MASK;
Window x_win, x_root_win;
qboolean mouse_in_window = false;
int global_dx, global_dy;
static qboolean doShm;
static Colormap x_cmap;
static GC x_gc;
static Visual *x_vis;
static XVisualInfo *x_visinfo;
static Atom aHints = 0;
static Atom aWMDelete = 0;
static int x_shmeventtype;
//static XShmSegmentInfo x_shminfo;
static qboolean oktodraw = false;
int XShmQueryExtension (Display *);
int XShmGetEventBase (Display *);
int current_framebuffer;
static XImage *x_framebuffer[2] = { 0, 0 };
static XShmSegmentInfo x_shminfo[2];
static int verbose = 1;
static byte current_palette[768];
typedef unsigned short PIXEL16;
typedef unsigned long PIXEL24;
static PIXEL16 st2d_8to16table[256];
static PIXEL24 st2d_8to24table[256];
static int shiftmask_fl = 0;
static long r_shift, g_shift, b_shift;
static unsigned long r_mask, g_mask, b_mask;
void
VID_InitCvars (void)
{
}
void
shiftmask_init ()
{
unsigned int x;
r_mask = x_vis->red_mask;
g_mask = x_vis->green_mask;
b_mask = x_vis->blue_mask;
for (r_shift = -8, x = 1; x < r_mask; x = x << 1)
r_shift++;
for (g_shift = -8, x = 1; x < g_mask; x = x << 1)
g_shift++;
for (b_shift = -8, x = 1; x < b_mask; x = x << 1)
b_shift++;
shiftmask_fl = 1;
}
PIXEL16
xlib_rgb16 (int r, int g, int b)
{
PIXEL16 p;
if (shiftmask_fl == 0)
shiftmask_init ();
p = 0;
if (r_shift > 0) {
p = (r << (r_shift)) & r_mask;
} else if (r_shift < 0) {
p = (r >> (-r_shift)) & r_mask;
} else
p |= (r & r_mask);
if (g_shift > 0) {
p |= (g << (g_shift)) & g_mask;
} else if (g_shift < 0) {
p |= (g >> (-g_shift)) & g_mask;
} else
p |= (g & g_mask);
if (b_shift > 0) {
p |= (b << (b_shift)) & b_mask;
} else if (b_shift < 0) {
p |= (b >> (-b_shift)) & b_mask;
} else
p |= (b & b_mask);
return p;
}
PIXEL24
xlib_rgb24 (int r, int g, int b)
{
PIXEL24 p;
if (shiftmask_fl == 0)
shiftmask_init ();
p = 0;
if (r_shift > 0) {
p = (r << (r_shift)) & r_mask;
} else if (r_shift < 0) {
p = (r >> (-r_shift)) & r_mask;
} else
p |= (r & r_mask);
if (g_shift > 0) {
p |= (g << (g_shift)) & g_mask;
} else if (g_shift < 0) {
p |= (g >> (-g_shift)) & g_mask;
} else
p |= (g & g_mask);
if (b_shift > 0) {
p |= (b << (b_shift)) & b_mask;
} else if (b_shift < 0) {
p |= (b >> (-b_shift)) & b_mask;
} else
p |= (b & b_mask);
return p;
}
void
st2_fixup (XImage * framebuf, int x, int y, int width, int height)
{
int xi, yi;
unsigned char *src;
PIXEL16 *dest;
register int count, n;
if ((x < 0) || (y < 0))
return;
for (yi = y; yi < (y + height); yi++) {
src = &framebuf->data[yi * framebuf->bytes_per_line];
// Duff's Device
count = width;
n = (count + 7) / 8;
dest = ((PIXEL16 *) src) + x + width - 1;
src += x + width - 1;
switch (count % 8) {
case 0:
do {
*dest-- = st2d_8to16table[*src--];
case 7:
*dest-- = st2d_8to16table[*src--];
case 6:
*dest-- = st2d_8to16table[*src--];
case 5:
*dest-- = st2d_8to16table[*src--];
case 4:
*dest-- = st2d_8to16table[*src--];
case 3:
*dest-- = st2d_8to16table[*src--];
case 2:
*dest-- = st2d_8to16table[*src--];
case 1:
*dest-- = st2d_8to16table[*src--];
} while (--n > 0);
}
// for(xi = (x+width-1); xi >= x; xi--) {
// dest[xi] = st2d_8to16table[src[xi]];
// }
}
}
void
st3_fixup (XImage * framebuf, int x, int y, int width, int height)
{
int xi, yi;
unsigned char *src;
PIXEL24 *dest;
register int count, n;
if ((x < 0) || (y < 0))
return;
for (yi = y; yi < (y + height); yi++) {
src = &framebuf->data[yi * framebuf->bytes_per_line];
// Duff's Device
count = width;
n = (count + 7) / 8;
dest = ((PIXEL24 *) src) + x + width - 1;
src += x + width - 1;
switch (count % 8) {
case 0:
do {
*dest-- = st2d_8to24table[*src--];
case 7:
*dest-- = st2d_8to24table[*src--];
case 6:
*dest-- = st2d_8to24table[*src--];
case 5:
*dest-- = st2d_8to24table[*src--];
case 4:
*dest-- = st2d_8to24table[*src--];
case 3:
*dest-- = st2d_8to24table[*src--];
case 2:
*dest-- = st2d_8to24table[*src--];
case 1:
*dest-- = st2d_8to24table[*src--];
} while (--n > 0);
}
// for(xi = (x+width-1); xi >= x; xi--) {
// dest[xi] = st2d_8to16table[src[xi]];
// }
}
}
/*
================
D_BeginDirectRect
================
*/
void
D_BeginDirectRect (int x, int y, byte * pbitmap, int width, int height)
{
// direct drawing of the "accessing disk" icon isn't supported under Nextstep
}
/*
================
D_EndDirectRect
================
*/
void
D_EndDirectRect (int x, int y, int width, int height)
{
// direct drawing of the "accessing disk" icon isn't supported under Nextstep
}
/*
=================
VID_Gamma_f
Keybinding command
=================
*/
byte vid_gamma[256];
void
VID_Gamma_f (void)
{
float g, f, inf;
int i;
if (Cmd_Argc () == 2) {
g = Q_atof (Cmd_Argv (1));
for (i = 0; i < 255; i++) {
f = pow ((i + 1) / 256.0, g);
inf = f * 255 + 0.5;
if (inf < 0)
inf = 0;
if (inf > 255)
inf = 255;
vid_gamma[i] = inf;
}
VID_SetPalette (current_palette);
vid.recalc_refdef = 1; // force a surface cache flush
}
}
// ========================================================================
// Tragic death handler
// ========================================================================
void
TragicDeath (int signal_num)
{
// XAutoRepeatOn(x_disp);
VID_Shutdown ();
Sys_Error ("This death brought to you by the number %d\n", signal_num);
}
// ========================================================================
// makes a null cursor
// ========================================================================
static Cursor
CreateNullCursor (Display * display, Window root)
{
Pixmap cursormask;
XGCValues xgc;
GC gc;
XColor dummycolour;
Cursor cursor;
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;
cursor = XCreatePixmapCursor (display, cursormask, cursormask,
&dummycolour, &dummycolour, 0, 0);
XFreePixmap (display, cursormask);
XFreeGC (display, gc);
return cursor;
}
void
ResetFrameBuffer (void)
{
int mem;
int pwidth;
if (x_framebuffer[0]) {
Z_Free (x_framebuffer[0]->data);
// Z_Free(d_pzbuffer);
free (x_framebuffer[0]);
}
pwidth = x_visinfo->depth / 8;
if (pwidth == 3)
pwidth = 4;
mem = ((vid.width * pwidth + 3) & ~3) * vid.height;
// d_pzbuffer = (unsigned short *) Z_Malloc(vid.width*vid.height*
// sizeof(*d_pzbuffer));
d_pzbuffer = (short *) Hunk_HighAllocName (vid.width * vid.height *
sizeof (*d_pzbuffer), "zbuff");
x_framebuffer[0] = XCreateImage (x_disp,
x_vis,
x_visinfo->depth,
ZPixmap,
0,
Z_Malloc (mem),
vid.width, vid.height, 32, 0);
if (!x_framebuffer[0])
Sys_Error ("VID: XCreateImage failed\n");
}
void
ResetSharedFrameBuffers (void)
{
int size;
int key;
int minsize = getpagesize ();
int frm;
// if (d_pzbuffer)
// Z_Free(d_pzbuffer);
d_pzbuffer =
Hunk_HighAllocName (vid.width * vid.height * sizeof (*d_pzbuffer),
"zbuff");
for (frm = 0; frm < 2; frm++) {
// free up old frame buffer memory
if (x_framebuffer[frm]) {
XShmDetach (x_disp, &x_shminfo[frm]);
free (x_framebuffer[frm]);
shmdt (x_shminfo[frm].shmaddr);
}
// create the image
x_framebuffer[frm] = XShmCreateImage (x_disp,
x_vis,
x_visinfo->depth,
ZPixmap,
0,
&x_shminfo[frm],
vid.width, vid.height);
// grab shared memory
size = x_framebuffer[frm]->bytes_per_line * x_framebuffer[frm]->height;
if (size < minsize)
Sys_Error ("VID: Window must use at least %d bytes\n", minsize);
key = random ();
x_shminfo[frm].shmid = shmget ((key_t) key, size, IPC_CREAT | 0777);
if (x_shminfo[frm].shmid == -1)
Sys_Error ("VID: Could not get any shared memory\n");
// attach to the shared memory segment
x_shminfo[frm].shmaddr = (void *) shmat (x_shminfo[frm].shmid, 0, 0);
printf ("VID: shared memory id=%d, addr=0x%x\n", x_shminfo[frm].shmid,
(int) x_shminfo[frm].shmaddr);
x_framebuffer[frm]->data = x_shminfo[frm].shmaddr;
// get the X server to attach to it
if (!XShmAttach (x_disp, &x_shminfo[frm]))
Sys_Error ("VID: XShmAttach() failed\n");
XSync (x_disp, 0);
shmctl (x_shminfo[frm].shmid, IPC_RMID, 0);
}
}
void
VID_MenuDraw (void)
{
qpic_t *p;
char *ptr;
int i, j, column, row, dup;
char temp[100];
p = Draw_CachePic ("gfx/vidmodes.lmp");
M_DrawPic ((320 - p->width) / 2, 4, p);
M_Print (4 * 8, 36 + MAX_COLUMN_SIZE * 8 + 8,
"Video mode switching unavailable");
M_Print (9 * 8, 36 + MAX_COLUMN_SIZE * 8 + 8 * 6, "Press any key...");
}
void
VID_MenuKey (int key)
{
M_Menu_Options_f ();
}
// Called at startup to set up translation tables, takes 256 8 bit RGB values
// the palette data will go away after the call, so it must be copied off if
// the video driver will need it again
byte surfcache[1024 * 1024];
//
// VID_SetWindowTitle - set the window and icon titles
//
void
VID_SetWindowTitle (Window win, char *pszName)
{
XTextProperty textprop;
XWMHints *wmHints;
// Setup ICCCM properties
textprop.value = (unsigned char *) pszName;
textprop.encoding = XA_STRING;
textprop.format = 8;
textprop.nitems = strlen (pszName);
wmHints = XAllocWMHints ();
wmHints->initial_state = NormalState;
wmHints->flags = StateHint;
XSetWMProperties (x_disp, win, &textprop, &textprop,
// Only put WM_COMMAND property on first window.
com_argv, com_argc, NULL, NULL, NULL);
XFree (wmHints);
aWMDelete = XInternAtom (x_disp, "WM_DELETE_WINDOW", False);
XSetWMProtocols (x_disp, win, &aWMDelete, 1);
}
//
// VID_FullScreen - open the window in full screen mode
//
qboolean
VID_FullScreen (Window win)
{
MotifWmHints hints;
XWindowChanges changes;
aHints = XInternAtom (x_disp, "_MOTIF_WM_HINTS", 0);
if (aHints == None) {
Con_Printf ("Could not intern X atom for _MOTIF_WM_HINTS.");
return (false);
}
hints.flags = MWM_HINTS_DECORATIONS;
hints.decorations = 0; // Absolutely no decorations.
XChangeProperty (x_disp, win, aHints, aHints, 32, PropModeReplace,
(unsigned char *) &hints, 4);
changes.x = 0;
changes.y = 0;
changes.width = x_screen_width;
changes.height = x_screen_height;
changes.stack_mode = TopIf;
XConfigureWindow (x_disp, win, CWX | CWY | CWWidth | CWHeight | CWStackMode,
&changes);
return (true);
}
void
VID_Init (unsigned char *palette)
{
int pnum, i;
XVisualInfo template;
int num_visuals;
int template_mask;
Cmd_AddCommand ("gamma", VID_Gamma_f, "No Description");
for (i = 0; i < 256; i++)
vid_gamma[i] = i;
vid.width = 320;
vid.height = 200;
vid.aspect = 1.0;
vid.numpages = 2;
vid.colormap = host_colormap;
vid.fullbright = 256 - LittleLong (*((int *) vid.colormap + 2048));
// vid.cbits = VID_CBITS;
// vid.grades = VID_GRADES;
srandom (getpid ());
verbose = COM_CheckParm ("-verbose");
// open the display
x_disp = XOpenDisplay (0);
if (!x_disp) {
if (getenv ("DISPLAY"))
Sys_Error ("VID: Could not open display [%s]\n",
getenv ("DISPLAY"));
else
Sys_Error ("VID: Could not open local display\n");
}
x_screen = XDefaultScreen (x_disp);
x_screen_width = WidthOfScreen (ScreenOfDisplay (x_disp, x_screen));
x_screen_height = HeightOfScreen (ScreenOfDisplay (x_disp, x_screen));
x_center_width = x_screen_width / 2;
x_center_height = x_screen_height / 2;
Con_Printf ("Using screen %d: %dx%d\n", x_screen, x_screen_width,
x_screen_height);
x_root_win = XRootWindow (x_disp, x_screen);
// catch signals so i can turn on auto-repeat
// we never run full-screen, so no auto-repeat nukage
if (0) {
struct sigaction sa;
sigaction (SIGINT, 0, &sa);
sa.sa_handler = TragicDeath;
sigaction (SIGINT, &sa, 0);
sigaction (SIGTERM, &sa, 0);
}
// XAutoRepeatOff(x_disp);
// for debugging only
// XSynchronize(x_disp, True);
// check for command-line window size
if ((pnum = COM_CheckParm ("-winsize"))) {
if (pnum >= com_argc - 2)
Sys_Error ("VID: -winsize <width> <height>\n");
vid.width = Q_atoi (com_argv[pnum + 1]);
vid.height = Q_atoi (com_argv[pnum + 2]);
if (!vid.width || !vid.height)
Sys_Error ("VID: Bad window width/height\n");
}
template_mask = 0;
// specify a visual id
if ((pnum = COM_CheckParm ("-visualid"))) {
if (pnum >= com_argc - 1)
Sys_Error ("VID: -visualid <id#>\n");
template.visualid = Q_atoi (com_argv[pnum + 1]);
template_mask = VisualIDMask;
}
// If not specified, use default visual
else {
int screen;
screen = XDefaultScreen (x_disp);
template.visualid =
XVisualIDFromVisual (XDefaultVisual (x_disp, screen));
template_mask = VisualIDMask;
}
// pick a visual- warn if more than one was available
x_visinfo = XGetVisualInfo (x_disp, template_mask, &template, &num_visuals);
if (num_visuals > 1) {
printf ("Found more than one visual id at depth %d:\n", template.depth);
for (i = 0; i < num_visuals; i++)
printf (" -visualid %d\n", (int) (x_visinfo[i].visualid));
} else if (num_visuals == 0) {
if (template_mask == VisualIDMask)
Sys_Error ("VID: Bad visual id %d\n", template.visualid);
else
Sys_Error ("VID: No visuals at depth %d\n", template.depth);
}
if (verbose) {
printf ("Using visualid %d:\n", (int) (x_visinfo->visualid));
printf (" class %d\n", x_visinfo->class);
printf (" screen %d\n", x_visinfo->screen);
printf (" depth %d\n", x_visinfo->depth);
printf (" red_mask 0x%x\n", (int) (x_visinfo->red_mask));
printf (" green_mask 0x%x\n", (int) (x_visinfo->green_mask));
printf (" blue_mask 0x%x\n", (int) (x_visinfo->blue_mask));
printf (" colormap_size %d\n", x_visinfo->colormap_size);
printf (" bits_per_rgb %d\n", x_visinfo->bits_per_rgb);
}
x_vis = x_visinfo->visual;
// setup attributes for main window
{
int attribmask = CWEventMask | CWColormap | CWBorderPixel;
XSetWindowAttributes attribs;
Colormap tmpcmap;
tmpcmap = XCreateColormap (x_disp, XRootWindow (x_disp,
x_visinfo->screen),
x_vis, AllocNone);
attribs.event_mask = x_std_event_mask;
attribs.border_pixel = 0;
attribs.colormap = tmpcmap;
// create the main window
x_win = XCreateWindow (x_disp,
XRootWindow (x_disp, x_visinfo->screen), 0, 0, // x,
//
//
// y
vid.width, vid.height, 0, // borderwidth
x_visinfo->depth,
InputOutput, x_vis, attribmask, &attribs);
if (x_visinfo->class != TrueColor)
XFreeColormap (x_disp, tmpcmap);
}
if (x_visinfo->depth == 8) {
// create and upload the palette
if (x_visinfo->class == PseudoColor) {
x_cmap = XCreateColormap (x_disp, x_win, x_vis, AllocAll);
VID_SetPalette (palette);
XSetWindowColormap (x_disp, x_win, x_cmap);
}
}
VID_SetWindowTitle (x_win, "Quake");
// create the GC
{
XGCValues xgcvalues;
int valuemask = GCGraphicsExposures;
xgcvalues.graphics_exposures = False;
x_gc = XCreateGC (x_disp, x_win, valuemask, &xgcvalues);
}
// map the window
XMapWindow (x_disp, x_win);
// wait for first exposure event
{
XEvent event;
do {
XNextEvent (x_disp, &event);
if (event.type == Expose && !event.xexpose.count)
oktodraw = true;
} while (!oktodraw);
}
// now safe to draw
// even if MITSHM is available, make sure it's a local connection
if (XShmQueryExtension (x_disp)) {
char *displayname;
doShm = true;
displayname = (char *) getenv ("DISPLAY");
if (displayname) {
char *d = displayname;
while (*d && (*d != ':'))
d++;
if (*d)
*d = 0;
if (!(!strcasecmp (displayname, "unix") || !*displayname))
doShm = false;
}
}
if (doShm) {
x_shmeventtype = XShmGetEventBase (x_disp) + ShmCompletion;
ResetSharedFrameBuffers ();
} else
ResetFrameBuffer ();
current_framebuffer = 0;
vid.rowbytes = x_framebuffer[0]->bytes_per_line;
vid.buffer = x_framebuffer[0]->data;
vid.conbuffer = x_framebuffer[0]->data;
vid.conrowbytes = vid.rowbytes;
vid.conwidth = vid.width;
vid.conheight = vid.height;
vid.maxwarpwidth = WARP_WIDTH;
vid.maxwarpheight = WARP_HEIGHT;
D_InitCaches (surfcache, sizeof (surfcache));
// XSynchronize(x_disp, False);
vid_menudrawfn = VID_MenuDraw;
vid_menukeyfn = VID_MenuKey;
}
void
VID_ShiftPalette (unsigned char *p)
{
VID_SetPalette (p);
}
void
VID_SetPalette (unsigned char *palette)
{
int i;
XColor colors[256];
for (i = 0; i < 256; i++) {
st2d_8to16table[i] =
xlib_rgb16 (palette[i * 3], palette[i * 3 + 1], palette[i * 3 + 2]);
st2d_8to24table[i] =
xlib_rgb24 (palette[i * 3], palette[i * 3 + 1], palette[i * 3 + 2]);
}
if (x_visinfo->class == PseudoColor && x_visinfo->depth == 8) {
if (palette != current_palette)
memcpy (current_palette, palette, 768);
for (i = 0; i < 256; i++) {
colors[i].pixel = i;
colors[i].flags = DoRed | DoGreen | DoBlue;
colors[i].red = vid_gamma[palette[i * 3]] * 257;
colors[i].green = vid_gamma[palette[i * 3 + 1]] * 257;
colors[i].blue = vid_gamma[palette[i * 3 + 2]] * 257;
}
XStoreColors (x_disp, x_cmap, colors, 256);
}
}
// Called at shutdown
void
VID_Shutdown (void)
{
Con_Printf ("VID_Shutdown\n");
// XAutoRepeatOn(x_disp);
if (mouse_grabbed) {
/* ungrab the pointer */
XUngrabPointer (x_disp, CurrentTime);
XUndefineCursor (x_disp, x_win);
}
XCloseDisplay (x_disp);
}
int
XLateKey (XKeyEvent * ev)
{
int key;
char buf[64];
KeySym keysym;
XLookupString (ev, buf, sizeof buf, &keysym, 0);
switch (keysym) {
case XK_Page_Up:
key = K_PGUP;
break;
case XK_Page_Down:
key = K_PGDN;
break;
case XK_Home:
key = K_HOME;
break;
case XK_End:
key = K_END;
break;
case XK_Left:
key = K_LEFTARROW;
break;
case XK_Right:
key = K_RIGHTARROW;
break;
case XK_Down:
key = K_DOWNARROW;
break;
case XK_Up:
key = K_UPARROW;
break;
case XK_Escape:
key = K_ESCAPE;
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:
case XK_Delete:
key = K_BACKSPACE;
break;
case XK_Pause:
key = K_PAUSE;
break;
case XK_Shift_L:
case XK_Shift_R:
key = K_SHIFT;
break;
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;
// various other keys on the keyboard
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;
case XK_KP_Insert:
key = K_INS;
break;
default:
key = *buf;
break;
}
return key;
}
struct {
int key;
int down;
} keyq[64];
int keyq_head = 0;
int keyq_tail = 0;
int config_notify = 0;
int config_notify_width;
int config_notify_height;
void
GetEvent (void)
{
XEvent x_event;
XNextEvent (x_disp, &x_event);
switch (x_event.type) {
case KeyPress:
Key_Event (XLateKey (&x_event.xkey), true);
break;
case KeyRelease:
Key_Event (XLateKey (&x_event.xkey), false);
break;
case ButtonPress:
// printf( "button %d down\n", x_event.xbutton.button );
Key_Event (K_MOUSE1 + x_event.xbutton.button - 1, true);
break;
case ButtonRelease:
// printf( "button %d up\n", x_event.xbutton.button );
Key_Event (K_MOUSE1 + x_event.xbutton.button - 1, false);
break;
case MotionNotify:
if (mouse_avail && mouse_grabbed) {
mouse_x = (float) ((int) x_event.xmotion.x - (int) (vid.width / 2));
mouse_y =
(float) ((int) x_event.xmotion.y - (int) (vid.height / 2));
// printf("m: x=%d,y=%d, mx=%3.2f,my=%3.2f\n",
// x_event.xmotion.x, x_event.xmotion.y, mouse_x, mouse_y);
/* move the mouse to the window center again */
XSelectInput (x_disp, x_win, STD_EVENT_MASK & ~PointerMotionMask);
XWarpPointer (x_disp, None, x_win, 0, 0, 0, 0, (vid.width / 2),
(vid.height / 2));
XSelectInput (x_disp, x_win, STD_EVENT_MASK);
} else {
mouse_x = (float) (x_event.xmotion.x - p_mouse_x);
mouse_y = (float) (x_event.xmotion.y - p_mouse_y);
p_mouse_x = x_event.xmotion.x;
p_mouse_y = x_event.xmotion.y;
}
break;
case ConfigureNotify:
// printf("config notify\n");
config_notify_width = x_event.xconfigure.width;
config_notify_height = x_event.xconfigure.height;
config_notify = 1;
sb_updates = 0;
break;
case Expose:
sb_updates = 0;
break;
case ClientMessage:
if (x_event.xclient.data.l[0] == aWMDelete)
Host_Quit_f ();
break;
case EnterNotify:
mouse_in_window = true;
break;
case LeaveNotify:
mouse_in_window = false;
break;
default:
if (doShm && x_event.type == x_shmeventtype)
oktodraw = true;
}
if (mouse_avail) {
if (key_dest == key_game && !mouse_grabbed && mouse_in_window) {
mouse_grabbed = true;
/* grab the pointer */
XGrabPointer (x_disp, x_win, True, 0, GrabModeAsync,
GrabModeAsync, x_win, None, CurrentTime);
// inviso cursor
XDefineCursor (x_disp, x_win, CreateNullCursor (x_disp, x_win));
} else if ((key_dest != key_game || !mouse_in_window) && mouse_grabbed) {
mouse_grabbed = false;
/* ungrab the pointer */
XUngrabPointer (x_disp, CurrentTime);
XUndefineCursor (x_disp, x_win);
}
}
}
// flushes the given rectangles from the view buffer to the screen
void
VID_Update (vrect_t *rects)
{
#if 0
static int count;
static long long s;
long long gethrtime ();
if (count == 0)
s = gethrtime ();
if (count++ == 50) {
count = 1;
printf ("%lf frames/secs\n",
50.0 / ((double) (gethrtime () - s) / 1e9));
s = gethrtime ();
}
#endif
// if the window changes dimension, skip this frame
if (config_notify) {
printf ("config notify\n");
config_notify = 0;
vid.width = config_notify_width & ~3;
vid.height = config_notify_height;
printf ("w = %d, h = %d\n", vid.width, vid.height);
if (doShm)
ResetSharedFrameBuffers ();
else
ResetFrameBuffer ();
vid.rowbytes = x_framebuffer[0]->bytes_per_line;
vid.buffer = x_framebuffer[current_framebuffer]->data;
vid.conbuffer = vid.buffer;
vid.conwidth = vid.width;
vid.conheight = vid.height;
vid.conrowbytes = vid.rowbytes;
vid.recalc_refdef = 1; // force a surface cache flush
return;
}
if (doShm) {
// long long s, gethrtime();
// s = gethrtime();
while (rects) {
printf ("update: %d,%d (%d,%d)\n", rects->x, rects->y, rects->width,
rects->height);
if (x_visinfo->depth == 16)
st2_fixup (x_framebuffer[current_framebuffer], rects->x,
rects->y, rects->width, rects->height);
else if (x_visinfo->depth == 24)
st3_fixup (x_framebuffer[current_framebuffer], rects->x,
rects->y, rects->width, rects->height);
if (!XShmPutImage
(x_disp, x_win, x_gc, x_framebuffer[current_framebuffer],
rects->x, rects->y, rects->x, rects->y, rects->width,
rects->height, True))
Sys_Error ("VID_Update: XShmPutImage failed\n");
oktodraw = false;
while (!oktodraw)
GetEvent ();
rects = rects->pnext;
}
// printf("%lf\n", (double)(gethrtime()-s)/1.0e9);
current_framebuffer = !current_framebuffer;
vid.buffer = x_framebuffer[current_framebuffer]->data;
vid.conbuffer = vid.buffer;
XSync (x_disp, False);
} else {
while (rects) {
if (x_visinfo->depth == 16)
st2_fixup (x_framebuffer[current_framebuffer],
rects->x, rects->y, rects->width, rects->height);
else if (x_visinfo->depth == 24)
st3_fixup (x_framebuffer[current_framebuffer],
rects->x, rects->y, rects->width, rects->height);
XPutImage (x_disp, x_win, x_gc, x_framebuffer[0], rects->x,
rects->y, rects->x, rects->y, rects->width,
rects->height);
rects = rects->pnext;
}
XSync (x_disp, False);
}
}
static int dither;
void
VID_DitherOn (void)
{
if (dither == 0) {
vid.recalc_refdef = 1;
dither = 1;
}
}
void
VID_DitherOff (void)
{
if (dither) {
vid.recalc_refdef = 1;
dither = 0;
}
}
void
VID_SetDefaultMode (void)
{
}
int
I_OpenWindow (void)
{
return 0;
}
void
I_EraseWindow (int window)
{
}
void
I_DrawCircle (int window, int x, int y, int r)
{
}
void
I_DisplayWindow (int window)
{
}
void
IN_SendKeyEvents (void)
{
// get events from x server
if (x_disp) {
while (XPending (x_disp))
GetEvent ();
while (keyq_head != keyq_tail) {
Key_Event (keyq[keyq_tail].key, keyq[keyq_tail].down);
keyq_tail = (keyq_tail + 1) & 63;
}
}
}
#if 0
char *
Sys_ConsoleInput (void)
{
static char text[256];
int len;
fd_set readfds;
int ready;
struct timeval timeout;
timeout.tv_sec = 0;
timeout.tv_usec = 0;
FD_ZERO (&readfds);
FD_SET (0, &readfds);
ready = select (1, &readfds, 0, 0, &timeout);
if (ready > 0) {
len = read (0, text, sizeof (text));
if (len >= 1) {
text[len - 1] = 0; // rip off the /n and terminate
return text;
}
}
return 0;
}
#endif
void
IN_Init (void)
{
m_filter = Cvar_Get ("m_filter", "0", CVAR_ARCHIVE, "None");
if (COM_CheckParm ("-nomouse"))
return;
mouse_x = mouse_y = 0.0;
mouse_avail = 1;
}
void
IN_Shutdown (void)
{
mouse_avail = 0;
}
void
IN_Commands (void)
{
int i;
if (!mouse_avail)
return;
for (i = 0; i < mouse_buttons; i++) {
if ((mouse_buttonstate & (1 << i))
&& !(mouse_oldbuttonstate & (1 << i)))
Key_Event (K_MOUSE1 + i, true);
if (!(mouse_buttonstate & (1 << i))
&& (mouse_oldbuttonstate & (1 << i)))
Key_Event (K_MOUSE1 + i, false);
}
mouse_oldbuttonstate = mouse_buttonstate;
}
void
IN_Move (usercmd_t *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 && (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;
}
void
VID_HandlePause (qboolean pause)
{
}
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