diff options
Diffstat (limited to 'dm.c')
| -rw-r--r-- | dm.c | 75 |
1 files changed, 75 insertions, 0 deletions
@@ -68,7 +68,9 @@ from The Open Group. # include <sys/stat.h> # include <errno.h> # include <X11/Xfuncproto.h> +# include <X11/Xatom.h> # include <stdarg.h> +# include <stdint.h> #ifndef F_TLOCK #ifndef X_NOT_POSIX @@ -622,6 +624,78 @@ StartDisplays (void) ForEachDisplay (CheckDisplayStatus); } +static void +SetWindowPath(struct display *d) +{ + /* setting WINDOWPATH for clients */ + Atom prop; + Atom actualtype; + int actualformat; + unsigned long nitems; + unsigned long bytes_after; + unsigned char *buf; + const char *windowpath; + char *newwindowpath; + unsigned long num; + char nums[10]; + int numn; + + prop = XInternAtom(d->dpy, "XFree86_VT", False); + if (prop == None) { + fprintf(stderr, "no XFree86_VT atom\n"); + return; + } + if (XGetWindowProperty(d->dpy, DefaultRootWindow(d->dpy), prop, 0, 1, + False, AnyPropertyType, &actualtype, &actualformat, + &nitems, &bytes_after, &buf)) { + fprintf(stderr, "no XFree86_VT property\n"); + return; + } + if (nitems != 1) { + fprintf(stderr, "%lu items in XFree86_VT property!\n", nitems); + XFree(buf); + return; + } + switch (actualtype) { + case XA_CARDINAL: + case XA_INTEGER: + case XA_WINDOW: + switch (actualformat) { + case 8: + num = (*(uint8_t *)(void *)buf); + break; + case 16: + num = (*(uint16_t *)(void *)buf); + break; + case 32: + num = (*(uint32_t *)(void *)buf); + break; + default: + fprintf(stderr, "format %d in XFree86_VT property!\n", actualformat); + XFree(buf); + return; + } + break; + default: + fprintf(stderr, "type %lx in XFree86_VT property!\n", actualtype); + XFree(buf); + return; + } + XFree(buf); + windowpath = getenv("WINDOWPATH"); + numn = snprintf(nums, sizeof(nums), "%lu", num); + if (!windowpath) { + newwindowpath = malloc(numn + 1); + sprintf(newwindowpath, "%s", nums); + } else { + newwindowpath = malloc(strlen(windowpath) + 1 + numn + 1); + sprintf(newwindowpath, "%s:%s", windowpath, nums); + } + if (d->windowPath) + free(d->windowPath); + d->windowPath = newwindowpath; +} + void StartDisplay (struct display *d) { @@ -677,6 +751,7 @@ StartDisplay (struct display *d) SetAuthorization (d); if (!WaitForServer (d)) exit (OPENFAILED_DISPLAY); + SetWindowPath(d); #ifdef XDMCP if (d->useChooser) RunChooser (d); |