64b2c5d1b4
Since we want to paint children by default in StWidget, we need to provide a way for custom subclasses to paint their CSS backgrounds without painting children... introducing st_widget_paint_background. Additionally, remove any custom paint/pick handlers added by subclasses of StWidget that just painted their children. This will cause double painting if left alone. This also removes the hacky things that some subclasses of StBin did to prevent their one child to be painted by StBin. https://bugzilla.gnome.org/show_bug.cgi?id=670034
168 lines
7.5 KiB
C
168 lines
7.5 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* st-widget.h: Base class for St actors
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*
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* Copyright 2007 OpenedHand
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* Copyright 2008, 2009 Intel Corporation.
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* Copyright 2009, 2010 Red Hat, Inc.
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* Copyright 2009 Abderrahim Kitouni
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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 it
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* under the terms and conditions of the GNU Lesser General Public License,
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* version 2.1, as published by the Free Software Foundation.
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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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#if !defined(ST_H_INSIDE) && !defined(ST_COMPILATION)
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#error "Only <st/st.h> can be included directly.h"
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#endif
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#ifndef __ST_WIDGET_H__
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#define __ST_WIDGET_H__
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#include <clutter/clutter.h>
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#include <st/st-types.h>
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#include <st/st-theme.h>
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#include <st/st-theme-node.h>
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G_BEGIN_DECLS
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typedef enum {
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ST_TEXT_DIRECTION_NONE,
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ST_TEXT_DIRECTION_LTR,
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ST_TEXT_DIRECTION_RTL
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} StTextDirection;
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#define ST_TYPE_WIDGET (st_widget_get_type ())
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#define ST_WIDGET(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), ST_TYPE_WIDGET, StWidget))
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#define ST_IS_WIDGET(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), ST_TYPE_WIDGET))
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#define ST_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), ST_TYPE_WIDGET, StWidgetClass))
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#define ST_IS_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), ST_TYPE_WIDGET))
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#define ST_WIDGET_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), ST_TYPE_WIDGET, StWidgetClass))
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typedef struct _StWidget StWidget;
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typedef struct _StWidgetPrivate StWidgetPrivate;
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typedef struct _StWidgetClass StWidgetClass;
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/**
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* StWidget:
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*
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* Base class for stylable actors. The contents of the #StWidget
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* structure are private and should only be accessed through the
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* public API.
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*/
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struct _StWidget
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{
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/*< private >*/
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ClutterActor parent_instance;
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StWidgetPrivate *priv;
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};
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/**
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* StWidgetClass:
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*
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* Base class for stylable actors.
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*/
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struct _StWidgetClass
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{
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/*< private >*/
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ClutterActorClass parent_class;
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/* signals */
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void (* style_changed) (StWidget *self);
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void (* popup_menu) (StWidget *self);
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/* vfuncs */
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gboolean (* navigate_focus) (StWidget *self,
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ClutterActor *from,
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GtkDirectionType direction);
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GType (* get_accessible_type) (void);
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GList * (* get_focus_chain) (StWidget *widget);
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};
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GType st_widget_get_type (void) G_GNUC_CONST;
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void st_widget_set_style_pseudo_class (StWidget *actor,
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const gchar *pseudo_class_list);
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void st_widget_add_style_pseudo_class (StWidget *actor,
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const gchar *pseudo_class);
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void st_widget_remove_style_pseudo_class (StWidget *actor,
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const gchar *pseudo_class);
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const gchar * st_widget_get_style_pseudo_class (StWidget *actor);
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gboolean st_widget_has_style_pseudo_class (StWidget *actor,
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const gchar *pseudo_class);
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void st_widget_set_style_class_name (StWidget *actor,
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const gchar *style_class_list);
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void st_widget_add_style_class_name (StWidget *actor,
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const gchar *style_class);
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void st_widget_remove_style_class_name (StWidget *actor,
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const gchar *style_class);
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const gchar * st_widget_get_style_class_name (StWidget *actor);
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gboolean st_widget_has_style_class_name (StWidget *actor,
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const gchar *style_class);
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void st_widget_set_style (StWidget *actor,
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const gchar *style);
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const gchar * st_widget_get_style (StWidget *actor);
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void st_widget_set_theme (StWidget *actor,
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StTheme *theme);
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StTheme * st_widget_get_theme (StWidget *actor);
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void st_widget_set_track_hover (StWidget *widget,
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gboolean track_hover);
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gboolean st_widget_get_track_hover (StWidget *widget);
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void st_widget_set_hover (StWidget *widget,
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gboolean hover);
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void st_widget_sync_hover (StWidget *widget);
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gboolean st_widget_get_hover (StWidget *widget);
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void st_widget_ensure_style (StWidget *widget);
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StTextDirection st_widget_get_default_direction (void);
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void st_widget_set_default_direction (StTextDirection dir);
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StTextDirection st_widget_get_direction (StWidget *self);
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void st_widget_set_direction (StWidget *self,
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StTextDirection dir);
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void st_widget_set_can_focus (StWidget *widget,
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gboolean can_focus);
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gboolean st_widget_get_can_focus (StWidget *widget);
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gboolean st_widget_navigate_focus (StWidget *widget,
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ClutterActor *from,
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GtkDirectionType direction,
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gboolean wrap_around);
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ClutterActor * st_widget_get_label_actor (StWidget *widget);
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void st_widget_set_label_actor (StWidget *widget,
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ClutterActor *label);
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/* Only to be used by sub-classes of StWidget */
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void st_widget_style_changed (StWidget *widget);
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StThemeNode * st_widget_get_theme_node (StWidget *widget);
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StThemeNode * st_widget_peek_theme_node (StWidget *widget);
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GList * st_widget_get_focus_chain (StWidget *widget);
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void st_widget_paint_background (StWidget *widget);
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/* debug methods */
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char *st_describe_actor (ClutterActor *actor);
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void st_set_slow_down_factor (gfloat factor);
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gfloat st_get_slow_down_factor (void);
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G_END_DECLS
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#endif /* __ST_WIDGET_H__ */
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