http://www.mirrorservice.org/sites/master.us.finkmirrors.net/distfiles/md5/fa43fdd68d...

[xscreensaver] / driver / lock.c

diff --git a/driver/lock.c b/driver/lock.c
index 277cfc3c21f27c67a0c15b63511a5bd32413097f..47c1b4ee515b3ed3082dc6a9aa814b59bbb5aa81 100644 (file)
--- a/driver/lock.c
+++ b/driver/lock.c
@@ -1,5 +1,5 @@
 /* lock.c --- handling the password dialog for locking-mode.
- * xscreensaver, Copyright (c) 1993-1998 Jamie Zawinski <jwz@jwz.org>
+ * xscreensaver, Copyright (c) 1993-2002 Jamie Zawinski <jwz@jwz.org>
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
@@ -47,6 +47,11 @@
   static void xfree_lock_mode_switch (saver_info *si, Bool lock_p);
 #endif /* HAVE_XF86VMODE */
 
+#ifdef HAVE_XF86MISCSETGRABKEYSSTATE
+# include <X11/extensions/xf86misc.h>
+  static void xfree_lock_grab_smasher (saver_info *si, Bool lock_p);
+#endif /* HAVE_XF86MISCSETGRABKEYSSTATE */
+
 
 #ifdef _VROOT_H_
 ERROR!  You must not include vroot.h in this file.
@@ -150,8 +155,9 @@ make_passwd_window (saver_info *si)
   Screen *screen;
   Colormap cmap;
   char *f;
+  saver_screen_info *ssi = &si->screens [mouse_screen (si)];
 
-  pw->prompt_screen = &si->screens [mouse_screen (si)];
+  pw->prompt_screen = ssi;
   if (si->prefs.verbose_p)
     fprintf (stderr, "%s: %d: creating password dialog.\n",
              blurb(), pw->prompt_screen->number);
@@ -187,7 +193,7 @@ make_passwd_window (saver_info *si)
     pw->heading_label = s;
   }
 
-  pw->user_string = (p && p->pw_name ? p->pw_name : "???");
+  pw->user_string = strdup (p && p->pw_name ? p->pw_name : "???");
   pw->passwd_string = strdup("");
 
   f = get_string_resource ("passwd.headingFont", "Dialog.Font");
@@ -401,7 +407,8 @@ make_passwd_window (saver_info *si)
                   attrmask, &attrs);
   XSetWindowBackground (si->dpy, si->passwd_dialog, pw->background);
 
-  pw->logo_pixmap = xscreensaver_logo (si->dpy, si->passwd_dialog, cmap,
+  pw->logo_pixmap = xscreensaver_logo (ssi->screen, ssi->current_visual,
+                                       si->passwd_dialog, cmap,
                                        pw->background, 
                                        &pw->logo_pixels, &pw->logo_npixels,
                                        0, True);
@@ -771,6 +778,9 @@ destroy_passwd_window (saver_info *si)
   Pixel white = WhitePixelOfScreen (ssi->screen);
   XEvent event;
 
+  memset (pw->typed_passwd, 0, sizeof(pw->typed_passwd));
+  memset (pw->passwd_string, 0, strlen(pw->passwd_string));
+
   if (pw->timer)
     XtRemoveTimeOut (pw->timer);
 
@@ -818,11 +828,15 @@ destroy_passwd_window (saver_info *si)
   if (pw->body_label)    free (pw->body_label);
   if (pw->user_label)    free (pw->user_label);
   if (pw->passwd_label)  free (pw->passwd_label);
+  if (pw->date_label)    free (pw->date_label);
+  if (pw->user_string)   free (pw->user_string);
+  if (pw->passwd_string) free (pw->passwd_string);
 
   if (pw->heading_font) XFreeFont (si->dpy, pw->heading_font);
   if (pw->body_font)    XFreeFont (si->dpy, pw->body_font);
   if (pw->label_font)   XFreeFont (si->dpy, pw->label_font);
   if (pw->passwd_font)  XFreeFont (si->dpy, pw->passwd_font);
+  if (pw->date_font)    XFreeFont (si->dpy, pw->date_font);
 
   if (pw->foreground != black && pw->foreground != white)
     XFreeColors (si->dpy, cmap, &pw->foreground, 1, 0L);
@@ -843,17 +857,23 @@ destroy_passwd_window (saver_info *si)
 
   if (pw->logo_pixmap)
     XFreePixmap (si->dpy, pw->logo_pixmap);
-  if (pw->logo_npixels && pw->logo_pixels)
-    XFreeColors (si->dpy, cmap, pw->logo_pixels, pw->logo_npixels, 0L);
   if (pw->logo_pixels)
-    free (pw->logo_pixels);
+    {
+      if (pw->logo_npixels)
+        XFreeColors (si->dpy, cmap, pw->logo_pixels, pw->logo_npixels, 0L);
+      free (pw->logo_pixels);
+      pw->logo_pixels = 0;
+      pw->logo_npixels = 0;
+    }
 
-  memset (pw, 0, sizeof(*pw));
-  free (pw);
+  if (pw->save_under)
+    XFreePixmap (si->dpy, pw->save_under);
 
   if (cmap)
     XInstallColormap (si->dpy, cmap);
 
+  memset (pw, 0, sizeof(*pw));
+  free (pw);
   si->pw_data = 0;
 }
 
@@ -884,6 +904,38 @@ hp_lock_reset (saver_info *si, Bool lock_p)
 }
 #endif /* HAVE_XHPDISABLERESET */
 
+\f
+#ifdef HAVE_XF86MISCSETGRABKEYSSTATE
+
+/* This function enables and disables the Ctrl-Alt-KP_star and 
+   Ctrl-Alt-KP_slash hot-keys, which (in XFree86 4.2) break any
+   grabs and/or kill the grabbing client.  That would effectively
+   unlock the screen, so we don't like that.
+
+   The Ctrl-Alt-KP_star and Ctrl-Alt-KP_slash hot-keys only exist
+   if AllowDeactivateGrabs and/or AllowClosedownGrabs are turned on
+   in XF86Config.  I believe they are disabled by default.
+
+   This does not affect any other keys (specifically Ctrl-Alt-BS or
+   Ctrl-Alt-F1) but I wish it did.  Maybe it will someday.
+ */
+static void
+xfree_lock_grab_smasher (saver_info *si, Bool lock_p)
+{
+  saver_preferences *p = &si->prefs;
+  int status = XF86MiscSetGrabKeysState (si->dpy, !lock_p);
+
+  if (p->verbose_p && status != MiscExtGrabStateSuccess)
+    fprintf (stderr, "%s: error: XF86MiscSetGrabKeysState returned %s\n",
+             blurb(),
+             (status == MiscExtGrabStateSuccess ? "MiscExtGrabStateSuccess" :
+              status == MiscExtGrabStateLocked  ? "MiscExtGrabStateLocked"  :
+              status == MiscExtGrabStateAlready ? "MiscExtGrabStateAlready" :
+              "unknown value"));
+}
+#endif /* HAVE_XF86MISCSETGRABKEYSSTATE */
+
+
 
 \f
 /* This function enables and disables the C-Sh-F1 ... F12 hot-keys,
@@ -1344,6 +1396,9 @@ set_locked_p (saver_info *si, Bool locked_p)
 #ifdef HAVE_XF86VMODE
   xfree_lock_mode_switch (si, locked_p);        /* turn off/on C-Alt-Plus */
 #endif
+#ifdef HAVE_XF86MISCSETGRABKEYSSTATE
+  xfree_lock_grab_smasher (si, locked_p);       /* turn off/on C-Alt-KP-*,/ */
+#endif
 
   store_saver_status (si);                     /* store locked-p */
 }