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meta_show_dialog: fix encoding of command line arguments

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Command line arguments are supposed to be in the locale encoding,
not UTF-8, and Zenity decodes command line string command line
arguments with this assumption using GOption.

There was a half-hearted attempt to deal with this in delete.c,
but it wasn't correct since it immediately mixed the window title,
converted to the locale encoding with a UTF-8 message.

https://bugzilla.gnome.org/show_bug.cgi?id=649114
This commit is contained in:
Owen W. Taylor 2011-05-02 14:38:13 -04:00
parent d9007a08c9
commit 40f51114b5
2 changed files with 56 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/core/delete.c
View File

@ -88,7 +88,15 @@ delete_ping_timeout_func (MetaDisplay *display,
return;
}
window_title = g_locale_from_utf8 (window->title, -1, NULL, NULL, NULL);
/* This is to get a bit better string if the title isn't representable
* in the locale encoding; actual conversion to UTF-8 is done inside
* meta_show_dialog */
tmp = g_locale_from_utf8 (window->title, -1, NULL, NULL, NULL);
if (tmp == NULL)
window_title = "???";
else
window_title = window->title;
g_free (tmp);
/* Translators: %s is a window title */
tmp = g_strdup_printf (_("<tt>%s</tt> is not responding."),
@ -99,8 +107,6 @@ delete_ping_timeout_func (MetaDisplay *display,
_("You may choose to wait a short while for it to "
"continue or force the application to quit entirely."));
g_free (window_title);
dialog_pid =
meta_show_dialog ("--question",
window_content, NULL,

77
src/core/util.c
View File

@ -584,6 +584,25 @@ meta_gravity_to_string (int gravity)
}
}
/* Command line arguments are passed in the locale encoding; in almost
* all cases, we'd hope that is UTF-8 and no conversion is necessary.
* If it's not UTF-8, then it's possible that the message isn't
* representable in the locale encoding.
*/
static void
append_argument (GPtrArray *args,
const char *arg)
{
char *locale_arg = g_locale_from_utf8 (arg, -1, NULL, NULL, NULL);
/* This is cheesy, but it's better to have a few ???'s in the dialog
* for an unresponsive application than no dialog at all appear */
if (!locale_arg)
locale_arg = g_strdup ("???");
g_ptr_array_add (args, locale_arg);
}
GPid
meta_show_dialog (const char *type,
const char *message,
@ -597,59 +616,57 @@ meta_show_dialog (const char *type,
{
GError *error = NULL;
GSList *tmp;
int i=0;
GPid child_pid;
const char **argvl = g_malloc(sizeof (char*) *
(17 +
g_slist_length (columns)*2 +
g_slist_length (entries)));
GPtrArray *args;
argvl[i++] = "zenity";
argvl[i++] = type;
argvl[i++] = "--display";
argvl[i++] = display;
argvl[i++] = "--class";
argvl[i++] = "mutter-dialog";
argvl[i++] = "--title";
args = g_ptr_array_new ();
append_argument (args, "zenity");
append_argument (args, type);
append_argument (args, "--display");
append_argument (args, display);
append_argument (args, "--class");
append_argument (args, "mutter-dialog");
append_argument (args, "--title");
/* Translators: This is the title used on dialog boxes */
argvl[i++] = _("Mutter");
argvl[i++] = "--text";
argvl[i++] = message;
append_argument (args, _("Mutter"));
append_argument (args, "--text");
append_argument (args, message);
if (timeout)
{
argvl[i++] = "--timeout";
argvl[i++] = timeout;
append_argument (args, "--timeout");
append_argument (args, timeout);
}
if (ok_text)
{
argvl[i++] = "--ok-label";
argvl[i++] = ok_text;
append_argument (args, "--ok-label");
append_argument (args, ok_text);
}
if (cancel_text)
{
argvl[i++] = "--cancel-label";
argvl[i++] = cancel_text;
append_argument (args, "--cancel-label");
append_argument (args, cancel_text);
}
tmp = columns;
while (tmp)
{
argvl[i++] = "--column";
argvl[i++] = tmp->data;
append_argument (args, "--column");
append_argument (args, tmp->data);
tmp = tmp->next;
}
tmp = entries;
while (tmp)
{
argvl[i++] = tmp->data;
append_argument (args, tmp->data);
tmp = tmp->next;
}
argvl[i] = NULL;
g_ptr_array_add (args, NULL); /* NULL-terminate */
if (transient_for)
{
@ -660,7 +677,7 @@ meta_show_dialog (const char *type,
g_spawn_async (
"/",
(gchar**) argvl, /* ugh */
(gchar**) args->pdata,
NULL,
G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD,
NULL, NULL,
@ -671,7 +688,7 @@ meta_show_dialog (const char *type,
if (transient_for)
unsetenv ("WINDOWID");
g_free (argvl);
g_ptr_array_free (args, TRUE);
if (error)
{