static Bool
titleinfoInitScreen (CompPlugin *p,
CompScreen *s)
{
TitleinfoScreen *ts;
TITLEINFO_DISPLAY (s->display);
ts = malloc (sizeof (TitleinfoScreen));
if (!ts)
return FALSE;
ts->windowPrivateIndex = allocateWindowPrivateIndex (s);
if (ts->windowPrivateIndex < 0)
{
free (ts);
return FALSE;
}
s->base.privates[td->screenPrivateIndex].ptr = ts;
WRAP (ts, s, addSupportedAtoms, titleinfoAddSupportedAtoms);
return TRUE;
}
static void
titleinfoHandleEvent (CompDisplay *d,
XEvent *event)
{
TITLEINFO_DISPLAY (d);
UNWRAP (td, d, handleEvent);
(*d->handleEvent) (d, event);
WRAP (td, d, handleEvent, titleinfoHandleEvent);
if (event->type == PropertyNotify)
{
CompWindow *w;
if (event->xproperty.atom == XA_WM_CLIENT_MACHINE)
{
w = findWindowAtDisplay (d, event->xproperty.window);
if (w)
titleinfoUpdateMachine (w);
}
else if (event->xproperty.atom == td->wmPidAtom)
{
w = findWindowAtDisplay (d, event->xproperty.window);
if (w)
titleinfoUpdatePid (w);
}
else if (event->xproperty.atom == d->wmNameAtom ||
event->xproperty.atom == XA_WM_NAME)
{
w = findWindowAtDisplay (d, event->xproperty.window);
if (w)
titleinfoUpdateTitle (w);
}
}
}
static void
titleinfoUpdateVisibleName (CompWindow *w)
{
CompDisplay *d = &display;
char *text = NULL, *machine = NULL;
const char *root = "", *title;
TITLEINFO_DISPLAY (d);
TITLEINFO_WINDOW (w);
title = tw->title ? tw->title : "";
const BananaValue *
option_show_root = bananaGetOption (bananaIndex,
"show_root",
w->screen->screenNum);
const BananaValue *
option_show_remote_machine = bananaGetOption (bananaIndex,
"show_remote_machine",
w->screen->screenNum);
if (option_show_root->b && tw->owner == 0)
root = "ROOT: ";
if (option_show_remote_machine->b && tw->remoteMachine)
{
char hostname[256];
if (gethostname (hostname, 256) || strcmp (hostname, tw->remoteMachine))
machine = tw->remoteMachine;
}
if (machine)
{
#pragma GCC diagnostic ignored "-Wunused-variable"
int retval = asprintf (&text, "%s%s (@%s)", root, title, machine);
}
else if (root[0])
{
#pragma GCC diagnostic ignored "-Wunused-variable"
int retval = asprintf (&text, "%s%s", root, title);
}
if (text)
{
XChangeProperty (d->display, w->id, td->visibleNameAtom,
d->utf8StringAtom, 8, PropModeReplace,
(unsigned char *) text, strlen (text));
free (text);
}
else
{
XDeleteProperty (d->display, w->id, td->visibleNameAtom);
}
}
static void titleinfoFiniDisplay(CompPlugin * p, CompDisplay * d)
{
TITLEINFO_DISPLAY(d);
freeScreenPrivateIndex(d, td->screenPrivateIndex);
UNWRAP(td, d, handleEvent);
free(td);
}
static void
titleinfoUpdatePid (CompWindow *w)
{
CompDisplay *d = &display;
int pid = -1;
Atom type;
int result, format;
unsigned long nItems, bytesAfter;
unsigned char *propVal;
TITLEINFO_DISPLAY (d);
TITLEINFO_WINDOW (w);
tw->owner = -1;
result = XGetWindowProperty (d->display, w->id, td->wmPidAtom,
0L, 1L, False, XA_CARDINAL, &type,
&format, &nItems, &bytesAfter, &propVal);
if (result == Success && propVal)
{
if (nItems)
{
unsigned long value;
memcpy (&value, propVal, sizeof (unsigned long));
pid = value;
}
XFree (propVal);
}
if (pid >= 0)
{
char path[512];
struct stat fileStat;
snprintf (path, 512, "/proc/%d", pid);
if (!lstat (path, &fileStat))
tw->owner = fileStat.st_uid;
}
const BananaValue *
option_show_root = bananaGetOption (bananaIndex,
"show_root",
w->screen->screenNum);
if (option_show_root->b)
titleinfoUpdateVisibleName (w);
}
static void
titleinfoUpdateVisibleName (CompWindow *w)
{
CompDisplay *d = w->screen->display;
char *text = NULL, *machine = NULL;
const char *root = "", *title;
TITLEINFO_DISPLAY (d);
TITLEINFO_WINDOW (w);
title = tw->title ? tw->title : "";
if (titleinfoGetShowRoot (w->screen) && tw->owner == 0)
root = "ROOT: ";
if (titleinfoGetShowRemoteMachine (w->screen) && tw->remoteMachine)
{
char hostname[256];
if (gethostname (hostname, 256) || strcmp (hostname, tw->remoteMachine))
machine = tw->remoteMachine;
}
if (machine)
{
if (asprintf (&text, "%s%s (@%s)", root, title, machine) == -1)
return;
}
else if (root[0])
{
if (asprintf (&text, "%s%s", root, title) == -1)
return;
}
if (text)
{
XChangeProperty (d->display, w->id, td->visibleNameAtom,
d->utf8StringAtom, 8, PropModeReplace,
(unsigned char *) text, strlen (text));
free (text);
}
else
{
XDeleteProperty (d->display, w->id, td->visibleNameAtom);
}
}
static unsigned int
titleinfoAddSupportedAtoms(CompScreen * s, Atom * atoms, unsigned int size)
{
unsigned int count;
TITLEINFO_DISPLAY(s->display);
TITLEINFO_SCREEN(s);
UNWRAP(ts, s, addSupportedAtoms);
count = (*s->addSupportedAtoms) (s, atoms, size);
WRAP(ts, s, addSupportedAtoms, titleinfoAddSupportedAtoms);
if ((size - count) >= 2) {
atoms[count++] = td->visibleNameAtom;
atoms[count++] = td->wmPidAtom;
}
return count;
}