forked from AuroraMiddleware/gtk
5d562b6a2a
For now, the split out style cache doesn't cache anything. This is mostly to make sure that bisections of wrong caching behavior will bisect down to the commit that actually adds caching.
184 lines
11 KiB
C
184 lines
11 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2014 Benjamin Otte <otte@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GTK_CSS_NODE_PRIVATE_H__
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#define __GTK_CSS_NODE_PRIVATE_H__
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#include "gtkcssnodedeclarationprivate.h"
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#include "gtkcssnodestylecacheprivate.h"
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#include "gtkcssstylechangeprivate.h"
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#include "gtkbitmaskprivate.h"
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#include "gtkcsstypesprivate.h"
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G_BEGIN_DECLS
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#define GTK_TYPE_CSS_NODE (gtk_css_node_get_type ())
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#define GTK_CSS_NODE(obj) (G_TYPE_CHECK_INSTANCE_CAST (obj, GTK_TYPE_CSS_NODE, GtkCssNode))
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#define GTK_CSS_NODE_CLASS(cls) (G_TYPE_CHECK_CLASS_CAST (cls, GTK_TYPE_CSS_NODE, GtkCssNodeClass))
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#define GTK_IS_CSS_NODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE (obj, GTK_TYPE_CSS_NODE))
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#define GTK_IS_CSS_NODE_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE (obj, GTK_TYPE_CSS_NODE))
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#define GTK_CSS_NODE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CSS_NODE, GtkCssNodeClass))
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typedef struct _GtkCssNodeClass GtkCssNodeClass;
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struct _GtkCssNode
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{
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GObject object;
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GtkCssNode *parent;
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GtkCssNode *previous_sibling;
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GtkCssNode *next_sibling;
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GtkCssNode *first_child;
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GtkCssNode *last_child;
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GtkCssNodeDeclaration *decl;
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GtkCssStyle *style;
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GtkCssNodeStyleCache *cache; /* cache for children to look up styles */
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GtkCssChange pending_changes; /* changes that accumulated since the style was last computed */
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guint visible :1; /* node will be skipped when validating or computing styles */
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guint invalid :1; /* node or a child needs to be validated (even if just for animation) */
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guint needs_propagation :1; /* children have state changes that need to be propagated to their siblings */
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/* Two invariants hold for this variable:
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* style_is_invalid == TRUE => next_sibling->style_is_invalid == TRUE
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* style_is_invalid == FALSE => first_child->style_is_invalid == TRUE
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* So if a valid style is computed, one has to previously ensure that the parent's and the previous sibling's style
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* are valid. This allows both validation and invalidation to run in O(nodes-in-tree) */
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guint style_is_invalid :1; /* the style needs to be recomputed */
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};
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struct _GtkCssNodeClass
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{
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GObjectClass object_class;
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void (* node_added) (GtkCssNode *cssnode,
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GtkCssNode *child,
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GtkCssNode *previous);
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void (* node_removed) (GtkCssNode *cssnode,
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GtkCssNode *child,
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GtkCssNode *previous);
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void (* style_changed) (GtkCssNode *cssnode,
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GtkCssStyleChange *style_change);
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gboolean (* init_matcher) (GtkCssNode *cssnode,
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GtkCssMatcher *matcher);
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GtkWidgetPath * (* create_widget_path) (GtkCssNode *cssnode);
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const GtkWidgetPath * (* get_widget_path) (GtkCssNode *cssnode);
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/* get style provider to use or NULL to use parent's */
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GtkStyleProviderPrivate *(* get_style_provider) (GtkCssNode *cssnode);
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/* get frame clock or NULL (only relevant for root node) */
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GdkFrameClock * (* get_frame_clock) (GtkCssNode *cssnode);
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GtkCssStyle * (* update_style) (GtkCssNode *cssnode,
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GtkCssChange pending_changes,
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gint64 timestamp,
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GtkCssStyle *old_style);
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void (* invalidate) (GtkCssNode *node);
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void (* queue_validate) (GtkCssNode *node);
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void (* dequeue_validate) (GtkCssNode *node);
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void (* validate) (GtkCssNode *node);
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};
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GType gtk_css_node_get_type (void) G_GNUC_CONST;
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GtkCssNode * gtk_css_node_new (void);
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void gtk_css_node_set_parent (GtkCssNode *cssnode,
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GtkCssNode *parent);
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void gtk_css_node_insert_after (GtkCssNode *parent,
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GtkCssNode *cssnode,
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GtkCssNode *previous_sibling);
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void gtk_css_node_insert_before (GtkCssNode *parent,
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GtkCssNode *cssnode,
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GtkCssNode *next_sibling);
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void gtk_css_node_reverse_children (GtkCssNode *cssnode);
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GtkCssNode * gtk_css_node_get_parent (GtkCssNode *cssnode);
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GtkCssNode * gtk_css_node_get_first_child (GtkCssNode *cssnode);
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GtkCssNode * gtk_css_node_get_last_child (GtkCssNode *cssnode);
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GtkCssNode * gtk_css_node_get_previous_sibling(GtkCssNode *cssnode);
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GtkCssNode * gtk_css_node_get_next_sibling (GtkCssNode *cssnode);
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void gtk_css_node_set_visible (GtkCssNode *cssnode,
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gboolean visible);
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gboolean gtk_css_node_get_visible (GtkCssNode *cssnode);
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void gtk_css_node_set_name (GtkCssNode *cssnode,
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/*interned*/const char*name);
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/*interned*/const char *gtk_css_node_get_name (GtkCssNode *cssnode);
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void gtk_css_node_set_widget_type (GtkCssNode *cssnode,
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GType widget_type);
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GType gtk_css_node_get_widget_type (GtkCssNode *cssnode);
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void gtk_css_node_set_id (GtkCssNode *cssnode,
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/*interned*/const char*id);
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/*interned*/const char *gtk_css_node_get_id (GtkCssNode *cssnode);
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void gtk_css_node_set_state (GtkCssNode *cssnode,
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GtkStateFlags state_flags);
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GtkStateFlags gtk_css_node_get_state (GtkCssNode *cssnode);
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void gtk_css_node_set_junction_sides (GtkCssNode *cssnode,
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GtkJunctionSides junction_sides);
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GtkJunctionSides gtk_css_node_get_junction_sides (GtkCssNode *cssnode);
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void gtk_css_node_set_classes (GtkCssNode *cssnode,
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const char **classes);
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char ** gtk_css_node_get_classes (GtkCssNode *cssnode);
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void gtk_css_node_add_class (GtkCssNode *cssnode,
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GQuark style_class);
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void gtk_css_node_remove_class (GtkCssNode *cssnode,
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GQuark style_class);
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gboolean gtk_css_node_has_class (GtkCssNode *cssnode,
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GQuark style_class);
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const GQuark * gtk_css_node_list_classes (GtkCssNode *cssnode,
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guint *n_classes);
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void gtk_css_node_add_region (GtkCssNode *cssnode,
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GQuark region,
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GtkRegionFlags flags);
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void gtk_css_node_remove_region (GtkCssNode *cssnode,
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GQuark region);
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gboolean gtk_css_node_has_region (GtkCssNode *cssnode,
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GQuark region,
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GtkRegionFlags *out_flags);
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GList * gtk_css_node_list_regions (GtkCssNode *cssnode);
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const GtkCssNodeDeclaration *
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gtk_css_node_get_declaration (GtkCssNode *cssnode);
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GtkCssStyle * gtk_css_node_get_style (GtkCssNode *cssnode);
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void gtk_css_node_invalidate_style_provider
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(GtkCssNode *cssnode);
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void gtk_css_node_invalidate_frame_clock
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(GtkCssNode *cssnode,
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gboolean just_timestamp);
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void gtk_css_node_invalidate (GtkCssNode *cssnode,
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GtkCssChange change);
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void gtk_css_node_validate (GtkCssNode *cssnode);
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gboolean gtk_css_node_init_matcher (GtkCssNode *cssnode,
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GtkCssMatcher *matcher);
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GtkWidgetPath * gtk_css_node_create_widget_path (GtkCssNode *cssnode);
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const GtkWidgetPath * gtk_css_node_get_widget_path (GtkCssNode *cssnode);
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GtkStyleProviderPrivate *gtk_css_node_get_style_provider(GtkCssNode *cssnode);
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void gtk_css_node_print (GtkCssNode *cssnode,
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GtkStyleContextPrintFlags flags,
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GString *string,
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guint indent);
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G_END_DECLS
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#endif /* __GTK_CSS_NODE_PRIVATE_H__ */
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