289d577bc1
StWidget reports a paint volume large enough to paint the current theme node. As CSS transitions also paint the previous theme node, the reported paint volume may be incorrect, resulting in screen artifacts when painting outside the reported volume. Add st_theme_node_transition_get_paint_box() to calculate an allocation large enough to paint both theme nodes, and use it to report the correct paint volume during transitions. https://bugzilla.gnome.org/show_bug.cgi?id=640085
75 lines
3.1 KiB
C
75 lines
3.1 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* st-theme-node-transition.h: Theme node transitions for StWidget.
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*
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* Copyright 2010 Florian Müllner
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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* more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ST_THEME_NODE_TRANSITION_H__
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#define __ST_THEME_NODE_TRANSITION_H__
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#include <clutter/clutter.h>
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#include "st-widget.h"
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#include "st-theme-node.h"
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G_BEGIN_DECLS
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#define ST_TYPE_THEME_NODE_TRANSITION (st_theme_node_transition_get_type ())
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#define ST_THEME_NODE_TRANSITION(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), ST_TYPE_THEME_NODE_TRANSITION, StThemeNodeTransition))
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#define ST_IS_THEME_NODE_TRANSITION(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), ST_TYPE_THEME_NODE_TRANSITION))
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#define ST_THEME_NODE_TRANSITION_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), ST_TYPE_THEME_NODE_TRANSITION, StThemeNodeTransitionClass))
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#define ST_IS_THEME_NODE_TRANSITION_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), ST_TYPE_THEME_NODE_TRANSITION))
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#define ST_THEME_NODE_TRANSITION_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), ST_THEME_NODE_TRANSITION, StThemeNodeTransitionClass))
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typedef struct _StThemeNodeTransition StThemeNodeTransition;
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typedef struct _StThemeNodeTransitionClass StThemeNodeTransitionClass;
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typedef struct _StThemeNodeTransitionPrivate StThemeNodeTransitionPrivate;
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struct _StThemeNodeTransition {
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GObject parent;
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StThemeNodeTransitionPrivate *priv;
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};
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struct _StThemeNodeTransitionClass {
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GObjectClass parent_class;
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void (*completed) (StThemeNodeTransition *transition);
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void (*new_frame) (StThemeNodeTransition *transition);
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};
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GType st_theme_node_transition_get_type (void) G_GNUC_CONST;
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StThemeNodeTransition *st_theme_node_transition_new (StThemeNode *from_node,
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StThemeNode *to_node,
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guint duration);
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void st_theme_node_transition_update (StThemeNodeTransition *transition,
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StThemeNode *new_node);
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void st_theme_node_transition_paint (StThemeNodeTransition *transition,
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ClutterActorBox *allocation,
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guint8 paint_opacity);
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void st_theme_node_transition_get_paint_box (StThemeNodeTransition *transition,
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const ClutterActorBox *allocation,
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ClutterActorBox *paint_box);
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G_END_DECLS
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#endif
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