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stylecontext: Add gtk_style_context_save_to_node()

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To be used instead of gtk_style_context_save() with persistent nodes.
This commit is contained in:
Benjamin Otte 2015-02-16 16:37:33 +01:00
parent 72615a1b16
commit c075c14bf4
2 changed files with 36 additions and 2 deletions
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36
gtk/gtkstylecontext.c
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@ -1179,6 +1179,37 @@ gtk_style_context_get_parent (GtkStyleContext *context)
return context->priv->parent;
}
/*
* gtk_style_context_save_to_node:
* @context: a #GtkStyleContext
* @node: the node to save to
*
* Saves the @context state, so temporary modifications done through
* gtk_style_context_add_class(), gtk_style_context_remove_class(),
* gtk_style_context_set_state(), etc. and rendering using
* gtk_render_background() or similar functions are done using the
* given @node.
*
* To undo, call gtk_style_context_restore().
*
* The matching call to gtk_style_context_restore() must be done
* before GTK returns to the main loop.
**/
void
gtk_style_context_save_to_node (GtkStyleContext *context,
GtkCssNode *node)
{
GtkStyleContextPrivate *priv;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
g_return_if_fail (GTK_IS_CSS_NODE (node));
priv = context->priv;
priv->saved_nodes = g_slist_prepend (priv->saved_nodes, priv->cssnode);
priv->cssnode = g_object_ref (node);
}
void
gtk_style_context_save_named (GtkStyleContext *context,
const char *name)
@ -1198,8 +1229,9 @@ gtk_style_context_save_named (GtkStyleContext *context,
if (name)
gtk_css_node_set_name (cssnode, g_intern_string (name));
priv->saved_nodes = g_slist_prepend (priv->saved_nodes, priv->cssnode);
priv->cssnode = cssnode;
gtk_style_context_save_to_node (context, cssnode);
g_object_unref (cssnode);
}
/**

2
gtk/gtkstylecontextprivate.h
View File

@ -38,6 +38,8 @@ GtkStyleProviderPrivate *
void gtk_style_context_save_named (GtkStyleContext *context,
const char *name);
void gtk_style_context_save_to_node (GtkStyleContext *context,
GtkCssNode *node);
const GtkBitmask *
_gtk_style_context_get_changes (GtkStyleContext *context);