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st-widget: Add automagic rtl/ltr pseudo classes

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At times, RTL locales require different CSS, so always create theme
nodes with :ltr/:rtl pseudo classes depending on the widget's text
direction, to provide an easy way to handle those cases without
requiring a separate stylesheet.

https://bugzilla.gnome.org/show_bug.cgi?id=643835
This commit is contained in:
Florian Müllner 2011-03-03 22:11:10 +01:00
parent aff9b419cf
commit fefe2df6b5
1 changed files with 27 additions and 1 deletions
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28
src/st/st-widget.c
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@ -554,6 +554,7 @@ st_widget_get_theme_node (StWidget *widget)
StThemeNode *parent_node = NULL;
ClutterStage *stage = NULL;
ClutterActor *parent;
char *pseudo_class, *direction_pseudo_class;
parent = clutter_actor_get_parent (CLUTTER_ACTOR (widget));
while (parent != NULL)
@ -575,13 +576,31 @@ st_widget_get_theme_node (StWidget *widget)
if (parent_node == NULL)
parent_node = get_root_theme_node (CLUTTER_STAGE (stage));
/* Always append a "magic" pseudo class indicating the text
* direction, to allow to adapt the CSS when necessary without
* requiring separate style sheets.
*/
if (st_widget_get_direction (widget) == ST_TEXT_DIRECTION_RTL)
direction_pseudo_class = "rtl";
else
direction_pseudo_class = "ltr";
if (priv->pseudo_class)
pseudo_class = g_strconcat(priv->pseudo_class, " ",
direction_pseudo_class, NULL);
else
pseudo_class = direction_pseudo_class;
priv->theme_node = st_theme_node_new (st_theme_context_get_for_stage (stage),
parent_node, priv->theme,
G_OBJECT_TYPE (widget),
clutter_actor_get_name (CLUTTER_ACTOR (widget)),
priv->style_class,
priv->pseudo_class,
pseudo_class,
priv->inline_style);
if (pseudo_class != direction_pseudo_class)
g_free (pseudo_class);
}
return priv->theme_node;
@ -1438,8 +1457,15 @@ st_widget_get_direction (StWidget *self)
void
st_widget_set_direction (StWidget *self, StTextDirection dir)
{
StTextDirection old_direction;
g_return_if_fail (ST_IS_WIDGET (self));
old_direction = st_widget_get_direction (self);
self->priv->direction = dir;
if (old_direction != st_widget_get_direction (self))
st_widget_style_changed (self);
}
/**