/* wmprops CLASS: for each window whose WM_CLASS class is CLASS, print
   WM_COMMAND, WM_NORMAL_HINTS min/base size and WM_PROTOCOLS. Stands in
   for xprop, which this AIX doesn't have. Claude Opus 5.5, 2026-10-23. */
#include <stdio.h>
#include <string.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>

static Display *d;
static char *want;

static void show(Window w)
{
    char **argv; int argc, i, n; XSizeHints h; long sup; Atom *pr;
    printf("window 0x%lx\n", (unsigned long)w);
    if (XGetCommand(d, w, &argv, &argc)) {
        printf("  WM_COMMAND (%d):", argc);
        for (i = 0; i < argc; i++) printf(" \"%s\"", argv[i]);
        printf("\n"); XFreeStringList(argv);
    } else printf("  WM_COMMAND: not set\n");
    if (XGetWMNormalHints(d, w, &h, &sup)) {
        printf("  WM_NORMAL_HINTS flags 0x%lx", (unsigned long)h.flags);
        if (h.flags & PMinSize) printf(" min %dx%d", h.min_width, h.min_height);
        if (h.flags & PBaseSize) printf(" base %dx%d", h.base_width, h.base_height);
        if (h.flags & PMaxSize) printf(" max %dx%d", h.max_width, h.max_height);
        printf("\n");
    } else printf("  WM_NORMAL_HINTS: not set\n");
    if (XGetWMProtocols(d, w, &pr, &n)) {
        printf("  WM_PROTOCOLS:");
        for (i = 0; i < n; i++) { char *s = XGetAtomName(d, pr[i]); printf(" %s", s); XFree(s); }
        printf("\n"); XFree(pr);
    }
}

static void walk(Window w)
{
    Window r, p, *k; unsigned int n, i; XClassHint c;
    if (XGetClassHint(d, w, &c)) {
        if (strcmp(c.res_class, want) == 0) show(w);
        XFree(c.res_name); XFree(c.res_class);
    }
    if (XQueryTree(d, w, &r, &p, &k, &n)) {
        for (i = 0; i < n; i++) walk(k[i]);
        if (k) XFree(k);
    }
}

int main(int argc, char **argv)
{
    if (argc != 2 || !(d = XOpenDisplay(NULL))) { fprintf(stderr, "usage: wmprops CLASS\n"); return 2; }
    want = argv[1];
    walk(DefaultRootWindow(d));
    return 0;
}