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wmii/cmd/wmiibar2.c

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/*
* (C)opyright MMIV-MMV Anselm R. Garbe <garbeam at gmail dot com>
* See LICENSE file for license details.
*/
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/types.h>
#include <time.h>
#include <unistd.h>
#include <X11/Xatom.h>
#include <X11/cursorfont.h>
#include <X11/Xproto.h>
#include <X11/Xutil.h>
#include "../libixp2/ixp.h"
#include "blitz.h"
/*
* filesystem specification
* / Droot
* /display Fdisplay 'top', 'bottom', 'none'
* /font Ffont <xlib font name>
* /new Fnew returns id of new item
* /default/ Ditem
* /default/bNpress Fevent <command, gets executed>
* /default/bgcolor Fcolor <#RRGGBB, #RGB>
* /default/fgcolor Fcolor <#RRGGBB, #RGB>
* /default/bordercolor Fcolor <#RRGGBB, #RGB>
* /1/ Ditem
* /1/data Fdata <arbitrary data which gets displayed>
* /1/bNpress Fevent <command, gets executed>
* /1/bgcolor Fcolor <#RRGGBB, #RGB>
* /1/fgcolor Fcolor <#RRGGBB, #RGB>
* /1/bordercolor Fcolor <#RRGGBB, #RGB> ...
*/
enum { /* 8-bit qid.path.type */
Droot,
Ditem,
Fdisplay,
Fnew,
Fdata, /* data to display */
Fevent,
Fcolor,
Ffont
};
#define NONE (unsigned short)0xffff
typedef struct {
char *name;
unsigned char type;
} QFile;
static QFile qfilelist[] = {
{"display", Fdisplay},
{"font", Ffont},
{"new", Fnew},
{"data", Fdata},
{"bgcolor", Fcolor},
{"fgcolor", Fcolor},
{"bordercolor", Fcolor},
{"b1press", Fevent},
{"b2press", Fevent},
{"b3press", Fevent},
{"b4press", Fevent},
{"b5press", Fevent},
{0, 0},
};
typedef struct Map Map;
struct Map {
unsigned int fid;
Qid qid;
Map *next;
};
typedef struct {
int id;
char text[256];
int value;
unsigned long bg;
unsigned long fg;
unsigned long border[4];
XFontStruct *font;
char event[5][256];
} Item;
static size_t nitems = 0;
static char *sockfile = nil;
static pid_t mypid = 0;
static IXPServer srv = { 0 };
static Qid root_qid;
static Display *dpy;
static int screen_num;
static char *align = nil;
static char *font = nil;
/*
static GC gc;
static Window win;
static XRectangle geom;
static int mapped = 0;
static Pixmap pmap;
static Draw zero_draw = { 0 };
*/
static char *version[] = {
"wmiibar - window manager improved bar - " VERSION "\n"
" (C)opyright MMIV-MMV Anselm R. Garbe\n", 0
};
static void
usage()
{
fprintf(stderr, "%s %d",
"usage: wmiibar -a <server address> [-v]\n"
" -a server address \n"
" -v version info\n", NONE);
exit(1);
}
static int
dummy_error_handler(Display * dpy, XErrorEvent * err)
{
return 0;
}
static void
exit_cleanup()
{
if(mypid == getpid())
unlink(sockfile);
}
static unsigned long long
make_qpath(unsigned char type, unsigned short item, unsigned short file)
{
return ((unsigned long long) file << 24) | ((unsigned long long) item << 8) | (unsigned long long) type;
}
static unsigned char
qpath_type(unsigned long long path)
{
return path & 0xff;
}
static unsigned short
qpath_item(unsigned long long path)
{
return (path >> 8) & 0xffff;
}
/*
static unsigned short
qpath_file(unsigned long long path)
{
return (path >> 24) & 0xffff;
}
*/
static Map *
fid_to_map(Map * maps, unsigned int fid)
{
Map *m;
for(m = maps; m; m = m->next)
if(m->fid == fid)
return m;
return nil;
}
static Bool
qfile_index(char *name, unsigned short *index)
{
int i;
for(i = 0; qfilelist[i].name; i++)
if(!strncmp(name, qfilelist[i].name, strlen(qfilelist[i].name))) {
*index = i;
return True;
}
return False;
}
static Bool
make_qid(Qid * dir, char *wname, Qid * new)
{
unsigned short idx;
const char *errstr;
if(dir->type != IXP_QTDIR)
return False;
new->version = nil;
if(!qfile_index(wname, &idx)) {
new->type = IXP_QTDIR;
if(!strncmp(wname, "..", 3)) {
*new = root_qid;
return True;
} else if(!strncmp(wname, "default", 8)) {
new->path = make_qpath(Ditem, 0, NONE);
return True;
}
/* check if wname is a number, otherwise file not found */
idx = (unsigned short) cext_strtonum(wname, 1, 0xffff, &errstr);
if(errstr || nitems < idx)
return False;
/* found */
new->path = make_qpath(Ditem, idx, NONE);
} else {
new->type = IXP_QTFILE;
new->path =
make_qpath(qfilelist[idx].type, qpath_item(dir->path), idx);
}
return True;
}
static int
attach(IXPServer * s, IXPConn * c)
{
Map *maps = c->aux;
Map *m, *new = cext_emallocz(sizeof(Map));
if(!maps)
c->aux = new;
else {
for(m = maps; m && m->next; m = m->next);
m->next = new;
}
fprintf(stderr, "attaching %u %u %s %s\n", s->fcall.fid, s->fcall.afid,
s->fcall.uname, s->fcall.aname);
new->qid = root_qid;
new->fid = s->fcall.fid;
s->fcall.id = RATTACH;
s->fcall.qid = root_qid;
return 0;
}
static int
walk(IXPServer * s, IXPConn * c)
{
unsigned short nwqid = 0;
Qid qid;
Map *map;
fprintf(stderr, "%s", "walking\n");
if(!(map = fid_to_map(c->aux, s->fcall.fid))) {
s->errstr = "no directory associated with fid";
return -1;
}
if(s->fcall.fid != s->fcall.newfid
&& (fid_to_map(c->aux, s->fcall.newfid))) {
s->errstr = "fid alreay in use";
return -1;
}
if(s->fcall.nwname) {
qid = map->qid;
for(nwqid = 0; (nwqid < s->fcall.nwname)
&& make_qid(&qid, s->fcall.wname[nwqid],
&s->fcall.wqid[nwqid]); nwqid++)
qid = s->fcall.wqid[nwqid];
if(!nwqid) {
s->errstr = "file not found";
return -1;
}
}
/*
* following condition is required by 9P, a fid will only be valid if
* the walk was complete
*/
if(nwqid == s->fcall.nwname) {
Map *m, *maps = c->aux;
if(s->fcall.fid == s->fcall.newfid) {
if(maps == map)
maps = maps->next;
else {
for(m = maps; m && m->next != map; m = m->next);
m->next = map->next;
}
free(map);
}
map = cext_emallocz(sizeof(Map));
map->qid = qid;
map->fid = s->fcall.newfid;
for(m = maps; m && m->next; m = m->next);
if(!m)
maps = map;
else
m->next = map;
}
s->fcall.id = RWALK;
s->fcall.nwqid = nwqid;
return 0;
}
static int
_open(IXPServer * s, IXPConn * c)
{
Map *map = fid_to_map(c->aux, s->fcall.fid);
fprintf(stderr, "%s", "opening\n");
if(!map) {
s->errstr = "invalid fid";
return -1;
}
if((s->fcall.mode != IXP_OREAD) && (s->fcall.mode != IXP_OWRITE)) {
s->errstr = "mode not supported";
return -1;
}
s->fcall.id = ROPEN;
s->fcall.qid = map->qid;
s->fcall.iounit =
s->fcall.maxmsg - (sizeof(unsigned char) + sizeof(unsigned short) + 2 * sizeof(unsigned int));
return 0;
}
static int
_read(IXPServer * s, IXPConn * c)
{
Map *map = fid_to_map(c->aux, s->fcall.fid);
Stat stat = { 0 };
unsigned char *p;
fprintf(stderr, "%s", "reading\n");
if(!map) {
s->errstr = "invalid fid";
return -1;
}
stat.mode = 0xff;
stat.atime = stat.mtime = time(0);
cext_strlcpy(stat.uid, getenv("USER"), sizeof(stat.uid));
cext_strlcpy(stat.gid, getenv("USER"), sizeof(stat.gid));
cext_strlcpy(stat.muid, getenv("USER"), sizeof(stat.muid));
fprintf(stderr, "%d\n", qpath_item(map->qid.path));
switch (qpath_type(map->qid.path)) {
default:
case Droot:
s->fcall.count = 0;
p = s->fcall.data;
cext_strlcpy(stat.name, "display", sizeof(stat.name));
stat.length = strlen(align);
make_qid(&root_qid, "display", &stat.qid);
stat.size = ixp_sizeof_stat(&stat);
s->fcall.count = stat.size;
p = ixp_enc_stat(p, &stat);
cext_strlcpy(stat.name, "font", sizeof(stat.name));
stat.length = strlen(font);
make_qid(&root_qid, "font", &stat.qid);
stat.size = ixp_sizeof_stat(&stat);;
s->fcall.count += stat.size;
p = ixp_enc_stat(p, &stat);
cext_strlcpy(stat.name, "new", sizeof(stat.name));
stat.length = 0;
make_qid(&root_qid, "new", &stat.qid);
stat.size = ixp_sizeof_stat(&stat);;
s->fcall.count += stat.size;
p = ixp_enc_stat(p, &stat);
s->fcall.id = RREAD;
if(s->fcall.offset >= s->fcall.count)
s->fcall.count = 0; /* EOF */
break;
case Ditem:
break;
case Fdisplay:
break;
case Fnew:
break;
case Fdata:
break;
case Fevent:
break;
case Fcolor:
break;
case Ffont:
break;
}
return 0;
}
static int
_write(IXPServer * s, IXPConn * c)
{
return -1;
}
static int
clunk(IXPServer * s, IXPConn * c)
{
Map *maps = c->aux;
Map *m, *map = fid_to_map(maps, s->fcall.fid);
if(!map) {
s->errstr = "invalid fid";
return -1;
}
if(maps == map)
maps = maps->next;
else {
for(m = maps; m && m->next != map; m = m->next);
m->next = map->next;
}
free(map);
s->fcall.id = RCLUNK;
return 0;
}
static void
freeconn(IXPServer * s, IXPConn * c)
{
Map *m, *maps = c->aux;
while((m = maps)) {
maps = maps->next;
free(m);
}
c->aux = nil;
}
static IXPTFunc funcs[] = {
{TVERSION, ixp_server_tversion},
{TATTACH, attach},
{TWALK, walk},
{TOPEN, _open},
{TREAD, _read},
{TWRITE, _write},
{TCLUNK, clunk},
{0, 0}
};
int
main(int argc, char *argv[])
{
int i;
Item *item;
/* command line args */
for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) {
switch (argv[i][1]) {
case 'v':
fprintf(stdout, "%s", version[0]);
exit(0);
break;
case 'a':
if(i + 1 < argc)
sockfile = argv[++i];
else
usage();
break;
default:
usage();
break;
}
}
dpy = XOpenDisplay(0);
if(!dpy) {
fprintf(stderr, "%s", "wmiibar: cannot open display\n");
exit(1);
}
XSetErrorHandler(dummy_error_handler);
screen_num = DefaultScreen(dpy);
if(ixp_server_init(&srv, sockfile, funcs, freeconn) == -1) {
fprintf(stderr, "wmiibar: fatal: %s\n", srv.errstr);
exit(1);
}
root_qid.type = IXP_QTDIR;
root_qid.version = 0;
root_qid.path = make_qpath(Droot, NONE, NONE);
mypid = getpid();
atexit(exit_cleanup);
/* default item settings */
item = cext_emallocz(sizeof(Item));
align = "bottom";
font = "fixed";
ixp_server_loop(&srv);
if(srv.errstr) {
fprintf(stderr, "wmiibar: fatal: %s\n", srv.errstr);
ixp_server_deinit(&srv);
exit(1);
}
ixp_server_deinit(&srv);
return 0;
}
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