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stylecontext: Move validation into GtkCssNode

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This commit is contained in:
Benjamin Otte
2015-01-30 16:27:17 +01:00
parent 8e1017db35
commit 4cc2af2db1
8 changed files with 97 additions and 77 deletions
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54
gtk/gtkcssnode.c
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@ -20,6 +20,7 @@
#include "gtkcssnodeprivate.h"
#include "gtkcsstransientnodeprivate.h"
#include "gtkdebug.h"
G_DEFINE_TYPE (GtkCssNode, gtk_css_node, G_TYPE_OBJECT)
@ -74,6 +75,15 @@ gtk_css_node_real_set_invalid (GtkCssNode *node,
gtk_css_node_set_invalid (node->parent, invalid);
}
static GtkBitmask *
gtk_css_node_real_validate (GtkCssNode *cssnode,
gint64 timestamp,
GtkCssChange change,
const GtkBitmask *parent_changes)
{
return _gtk_bitmask_new ();
}
static GtkWidgetPath *
gtk_css_node_real_create_widget_path (GtkCssNode *cssnode)
{
@ -95,6 +105,7 @@ gtk_css_node_class_init (GtkCssNodeClass *klass)
object_class->finalize = gtk_css_node_finalize;
klass->invalidate = gtk_css_node_real_invalidate;
klass->validate = gtk_css_node_real_validate;
klass->set_invalid = gtk_css_node_real_set_invalid;
klass->create_widget_path = gtk_css_node_real_create_widget_path;
klass->get_widget_path = gtk_css_node_real_get_widget_path;
@ -358,6 +369,49 @@ gtk_css_node_invalidate (GtkCssNode *cssnode,
gtk_css_node_set_invalid (cssnode, TRUE);
}
void
gtk_css_node_validate (GtkCssNode *cssnode,
gint64 timestamp,
GtkCssChange change,
const GtkBitmask *parent_changes)
{
GtkCssNode *child;
GtkBitmask *changes;
/* If you run your application with
* GTK_DEBUG=no-css-cache
* every invalidation will purge the cache and completely query
* everything anew form the cache. This is slow (in particular
* when animating), but useful for figuring out bugs.
*
* We achieve that by pretending that everything that could have
* changed has and so we of course totally need to redo everything.
*
* Note that this also completely revalidates child widgets all
* the time.
*/
if (G_UNLIKELY (gtk_get_debug_flags () & GTK_DEBUG_NO_CSS_CACHE))
change = GTK_CSS_CHANGE_ANY;
if (!cssnode->invalid && change == 0 && _gtk_bitmask_is_empty (parent_changes))
return;
gtk_css_node_set_invalid (cssnode, FALSE);
changes = GTK_CSS_NODE_GET_CLASS (cssnode)->validate (cssnode, timestamp, change, parent_changes);
change = _gtk_css_change_for_child (change);
for (child = gtk_css_node_get_first_child (cssnode);
child;
child = gtk_css_node_get_next_sibling (child))
{
gtk_css_node_validate (child, timestamp, change, changes);
}
_gtk_bitmask_free (changes);
}
GtkWidgetPath *
gtk_css_node_create_widget_path (GtkCssNode *cssnode)
{