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gio: fixing duplicate icons and review comments.

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The basic test for duplicate icon names was not working fine when taking
into account fallbacks and icon style mix. This fixes it.

Also resolve the few review comments, i.e.: comment explaining
g_themed_icon_update_names() and the priority order applied to icons;
and using guint for 'i'.
This commit is contained in:
Jehan 2018-06-14 00:35:08 +02:00
parent 2cac8381db
commit ab53a54632
1 changed files with 72 additions and 23 deletions
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95
gio/gthemedicon.c
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@ -230,13 +230,39 @@ g_themed_icon_init (GThemedIcon *themed)
themed->names = NULL;
}
/**
* g_themed_icon_update_names:
* @themed: a #GThemedIcon.
*
* Update the actual icon name list, based on the requested names (from
* construction, or later added with g_themed_icon_prepend_name() and
* g_themed_icon_append_name()).
* The order of the list matters, indicating priority:
* - The first requested icon is first in priority.
* - If "use-default-fallbacks" is #TRUE, then it is followed by all its
* fallbacks (starting from top to lower context levels).
* - Then next requested icons, and optionally their fallbacks, follow.
* - Finally all the style variants (symbolic or regular, opposite to whatever
* is the requested style) follow in the same order.
*
* An icon is not added twice in the list if it was previously added.
*
* For instance, if requested names are:
* [ "some-icon-symbolic", "some-other-icon" ]
* and use-default-fallbacks is TRUE, the final name list shall be:
* [ "some-icon-symbolic", "some-symbolic", "some-other-icon",
* "some-other", "some", "some-icon", "some-other-icon-symbolic",
* "some-other-symbolic" ]
*
* Returns: (transfer full) (type GThemedIcon): a new #GThemedIcon
**/
static void
g_themed_icon_update_names (GThemedIcon *themed)
{
GList *names = NULL;
GList *variants = NULL;
GList *iter;
gint i;
guint i;
g_return_if_fail (themed->init_names != NULL && themed->init_names[0] != NULL);
@ -245,27 +271,23 @@ g_themed_icon_update_names (GThemedIcon *themed)
gchar *name;
gboolean is_symbolic;
if (g_list_find_custom (names, themed->init_names[i], (GCompareFunc) g_strcmp0) ||
g_list_find_custom (variants, themed->init_names[i], (GCompareFunc) g_strcmp0))
/* The icon name was already added and is higher in priority.
* There is no need to re-add it. */
continue;
is_symbolic = g_str_has_suffix (themed->init_names[i], "-symbolic");
if (is_symbolic)
{
name = g_strndup (themed->init_names[i], strlen (themed->init_names[i]) - 9);
names = g_list_prepend (names, g_strdup (themed->init_names[i]));
variants = g_list_prepend (variants, name);
}
name = g_strndup (themed->init_names[i], strlen (themed->init_names[i]) - 9);
else
name = g_strdup (themed->init_names[i]);
if (g_list_find_custom (names, name, (GCompareFunc) g_strcmp0))
{
name = g_strdup (themed->init_names[i]);
names = g_list_prepend (names, name);
variants = g_list_prepend (variants,
g_strdup_printf ("%s-symbolic", name));
g_free (name);
continue;
}
if (is_symbolic)
names = g_list_prepend (names, g_strdup (themed->init_names[i]));
else
names = g_list_prepend (names, name);
if (themed->use_default_fallbacks)
{
char *dashp;
@ -275,24 +297,51 @@ g_themed_icon_update_names (GThemedIcon *themed)
while ((dashp = strrchr (last, '-')) != NULL)
{
gchar *tmp = last;
gchar *fallback;
last = g_strndup (last, dashp - last);
if (is_symbolic)
{
names = g_list_prepend (names,
g_strdup_printf ("%s-symbolic", last));
variants = g_list_prepend (variants, last);
g_free (tmp);
fallback = g_strdup_printf ("%s-symbolic", last);
}
else
fallback = last;
if (g_list_find_custom (names, fallback, (GCompareFunc) g_strcmp0))
{
names = g_list_prepend (names, last);
variants = g_list_prepend (variants,
g_strdup_printf ("%s-symbolic", last));
g_free (fallback);
break;
}
names = g_list_prepend (names, fallback);
}
if (is_symbolic)
g_free (last);
}
else if (is_symbolic)
g_free (name);
}
for (iter = names; iter; iter = iter->next)
{
gchar *name = (gchar *) iter->data;
gchar *variant;
gboolean is_symbolic;
is_symbolic = g_str_has_suffix (name, "-symbolic");
if (is_symbolic)
variant = g_strndup (name, strlen (name) - 9);
else
variant = g_strdup_printf ("%s-symbolic", name);
if (g_list_find_custom (names, variant, (GCompareFunc) g_strcmp0) ||
g_list_find_custom (variants, variant, (GCompareFunc) g_strcmp0))
{
g_free (variant);
continue;
}
variants = g_list_prepend (variants, variant);
}
names = g_list_reverse (names);
variants = g_list_reverse (variants);
g_strfreev (themed->names);
themed->names = g_new (char *, g_list_length (names) + g_list_length (variants) + 1);