From f3e553446fdcfc04f26ea25396a138965c4a999d Mon Sep 17 00:00:00 2001 From: Dana Jansens Date: Mon, 14 Dec 2009 15:07:20 -0500 Subject: [PATCH] Add an obprop tool which can print UTF-8 strings properly, for our users. --- .gitignore | 1 + Makefile.am | 14 +- tools/obprop/Makefile | 4 + tools/obprop/obprop.c | 320 ++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 338 insertions(+), 1 deletion(-) create mode 100644 tools/obprop/Makefile create mode 100644 tools/obprop/obprop.c diff --git a/.gitignore b/.gitignore index 38043304..3ea0363d 100644 --- a/.gitignore +++ b/.gitignore @@ -51,6 +51,7 @@ po/remove-potcdate.sed render/obrender-3.0.pc tools/gnome-panel-control/gnome-panel-control tools/gdm-control/gdm-control +tools/obprop/obprop version.h .libs .deps diff --git a/Makefile.am b/Makefile.am index 660b5ef5..4b3e0b50 100644 --- a/Makefile.am +++ b/Makefile.am @@ -32,7 +32,8 @@ lib_LTLIBRARIES = \ bin_PROGRAMS = \ openbox/openbox \ tools/gdm-control/gdm-control \ - tools/gnome-panel-control/gnome-panel-control + tools/gnome-panel-control/gnome-panel-control \ + tools/obprop/obprop dist_secretbin_SCRIPTS = \ tools/xdg-autostart/xdg-autostart @@ -288,6 +289,17 @@ tools_gnome_panel_control_gnome_panel_control_LDADD = \ tools_gnome_panel_control_gnome_panel_control_SOURCES = \ tools/gnome-panel-control/gnome-panel-control.c +## obprop ## + +tools_obprop_obprop_CPPFLAGS = \ + $(GLIB_CFLAGS) \ + $(X_CFLAGS) +tools_obprop_obprop_LDADD = \ + $(GLIB_LIBS) \ + $(X_LIBS) +tools_obprop_obprop_SOURCES = \ + tools/obprop/obprop.c + ## gdm-control ## tools_gdm_control_gdm_control_CPPFLAGS = \ diff --git a/tools/obprop/Makefile b/tools/obprop/Makefile new file mode 100644 index 00000000..cfc46539 --- /dev/null +++ b/tools/obprop/Makefile @@ -0,0 +1,4 @@ +all clean install: + $(MAKE) -C ../.. -$(MAKEFLAGS) $@ + +.PHONY: all clean install diff --git a/tools/obprop/obprop.c b/tools/obprop/obprop.c new file mode 100644 index 00000000..e288d7cb --- /dev/null +++ b/tools/obprop/obprop.c @@ -0,0 +1,320 @@ +#include +#include +#include +#include +#include +#include +#include + +gint fail(const gchar *s) { + if (s) + fprintf(stderr, "%s\n", s); + else + fprintf + (stderr, + "Usage: obprop [OPTIONS]\n\n" + "Options:\n" + " --help Display this help and exit\n" + " --display DISPLAY Connect to this X display\n" + " --id ID Show the properties for this window\n"); + return 1; +} + +gint parse_hex(gchar *s) { + gint result = 0; + while (*s) { + gint add; + if (*s >= '0' && *s <='9') + add = *s-'0'; + else if (*s >= 'A' && *s <='F') + add = *s-'A'; + else if (*s >= 'a' && *s <='f') + add = *s-'a'; + else + break; + + result *= 16; + result += add; + } + return result; +} + +Window find_client(Display *d, Window win) +{ + Window r, *children; + guint n, i; + Atom state = XInternAtom(d, "WM_STATE", True); + Atom ret_type; + gint ret_format, res; + gulong ret_items, ret_bytesleft, *xdata; + + XQueryTree(d, win, &r, &r, &children, &n); + for (i = 0; i < n; ++i) { + Window w = find_client(d, children[i]); + if (w) return w; + } + + // try me + res = XGetWindowProperty(d, win, state, 0, 1, + False, state, &ret_type, &ret_format, + &ret_items, &ret_bytesleft, + (unsigned char**) &xdata); + XFree(xdata); + if (res != Success || ret_type == None || ret_items < 1) + return None; + return win; // found it! +} + +static gboolean get_all(Display *d, Window win, Atom prop, + Atom *type, gint *size, + guchar **data, guint *num) +{ + gboolean ret = FALSE; + gint res; + guchar *xdata = NULL; + gulong ret_items, bytes_left; + + res = XGetWindowProperty(d, win, prop, 0l, G_MAXLONG, + FALSE, AnyPropertyType, type, size, + &ret_items, &bytes_left, &xdata); + if (res == Success) { + if (ret_items > 0) { + guint i; + + *data = g_malloc(ret_items * (*size / 8)); + for (i = 0; i < ret_items; ++i) + switch (*size) { + case 8: + (*data)[i] = xdata[i]; + break; + case 16: + ((guint16*)*data)[i] = ((gushort*)xdata)[i]; + break; + case 32: + ((guint32*)*data)[i] = ((gulong*)xdata)[i]; + break; + default: + g_assert_not_reached(); /* unhandled size */ + } + *num = ret_items; + ret = TRUE; + } + XFree(xdata); + } + return ret; +} + +gchar *append_string(gchar *before, gchar *after, gboolean quote) +{ + gchar *tmp; + const gchar *q = quote ? "\"" : ""; + if (before) + tmp = g_strdup_printf("%s, %s%s%s", before, q, after, q); + else + tmp = g_strdup_printf("%s%s%s", q, after, q); + g_free(before); + return tmp; +} + +gchar *append_int(gchar *before, guint after) +{ + gchar *tmp; + if (before) + tmp = g_strdup_printf("%s, %u", before, after); + else + tmp = g_strdup_printf("%u", after); + g_free(before); + return tmp; +} + +gchar* read_strings(gchar *val, guint n, gboolean utf8) +{ + GSList *strs = NULL, *it; + gchar *ret, *p; + guint i; + + p = val; + while (p < val + n) { + strs = g_slist_append(strs, g_strndup(p, n - (p - val))); + p += strlen(p) + 1; /* next string */ + } + + ret = NULL; + for (i = 0, it = strs; it; ++i, it = g_slist_next(it)) { + char *data; + + if (utf8) { + if (g_utf8_validate(it->data, -1, NULL)) + data = g_strdup(it->data); + else + data = g_strdup(""); + } + else + data = g_locale_to_utf8(it->data, -1, NULL, NULL, NULL); + + ret = append_string(ret, data, TRUE); + g_free(data); + } + + while (strs) { + g_free(strs->data); + strs = g_slist_delete_link(strs, strs); + } + return ret; +} + +gchar* read_atoms(Display *d, guchar *val, guint n) +{ + gchar *ret; + guint i; + + ret = NULL; + for (i = 0; i < n; ++i) + ret = append_string(ret, XGetAtomName(d, ((guint32*)val)[i]), FALSE); + return ret; +} + +gchar* read_numbers(guchar *val, guint n, guint size) +{ + gchar *ret; + guint i; + + ret = NULL; + for (i = 0; i < n; ++i) + switch (size) { + case 8: + ret = append_int(ret, ((guint8*)val)[i]); + break; + case 16: + ret = append_int(ret, ((guint16*)val)[i]); + break; + case 32: + ret = append_int(ret, ((guint32*)val)[i]); + break; + default: + g_assert_not_reached(); /* unhandled size */ + } + + return ret; +} + +gboolean read_prop(Display *d, Window w, Atom prop, const gchar **type, gchar **val) +{ + guchar *ret; + guint nret; + gint size; + Atom ret_type; + + ret = NULL; + if (get_all(d, w, prop, &ret_type, &size, &ret, &nret)) { + *type = XGetAtomName(d, ret_type); + + if (strcmp(*type, "STRING") == 0) + *val = read_strings((gchar*)ret, nret, FALSE); + else if (strcmp(*type, "UTF8_STRING") == 0) + *val = read_strings((gchar*)ret, nret, TRUE); + else if (strcmp(*type, "ATOM") == 0) { + g_assert(size == 32); + *val = read_atoms(d, ret, nret); + } + else + *val = read_numbers(ret, nret, size); + + g_free(ret); + return TRUE; + } + return FALSE; +} + +void show_properties(Display *d, Window w) +{ + Atom* props; + int i, n; + + props = XListProperties(d, w, &n); + + for (i = 0; i < n; ++i) { + const char *type; + char *name, *val; + + name = XGetAtomName(d, props[i]); + + if (read_prop(d, w, props[i], &type, &val)) { + g_print("%s(%s) = %s\n", name, type, val); + g_free(val); + } + + XFree(name); + } + + XFree(props); +} + +int main(int argc, char **argv) +{ + Display *d; + Window id, userid = None; + int i; + char *dname = NULL; + + for (i = 1; i < argc; ++i) { + if (!strcmp(argv[i], "--help")) { + return fail(0); + } + else if (!strcmp(argv[i], "--id")) { + if (++i == argc) + return fail(0); + if (argv[i][0] == '0' && argv[i][1] == 'x') { + /* hex */ + userid = parse_hex(argv[i]+2); + } + else { + /* decimal */ + userid = atoi(argv[i]); + } + break; + } + else if (!strcmp(argv[i], "--display")) { + if (++i == argc) + return fail(0); + dname = argv[i]; + } + } + + d = XOpenDisplay(dname); + if (!d) { + return fail("Unable to find an X display. " + "Ensure you have permission to connect to the display."); + } + + if (userid == None) { + i = XGrabPointer(d, RootWindow(d, DefaultScreen(d)), + False, ButtonPressMask, + GrabModeAsync, GrabModeAsync, + None, XCreateFontCursor(d, XC_crosshair), + CurrentTime); + if (i != GrabSuccess) + return fail("Unable to grab the pointer device"); + while (1) { + XEvent ev; + + XNextEvent(d, &ev); + if (ev.type == ButtonPress) { + XUngrabPointer(d, CurrentTime); + userid = ev.xbutton.subwindow; + break; + } + } + } + + id = find_client(d, userid); + + if (id == None) + return fail("Unable to find window with the requested ID"); + + show_properties(d, id); + + XCloseDisplay(d); + + return 0; +} -- 2.45.2