godot/scene/theme/theme_owner.h

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/**************************************************************************/
/* theme_owner.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef THEME_OWNER_H
#define THEME_OWNER_H
#include "core/object/object.h"
#include "scene/resources/theme.h"
class Control;
class Node;
class ThemeContext;
class Window;
class ThemeOwner : public Object {
Node *holder = nullptr;
Control *owner_control = nullptr;
Window *owner_window = nullptr;
ThemeContext *owner_context = nullptr;
void _owner_context_changed();
ThemeContext *_get_active_owner_context() const;
Node *_get_next_owner_node(Node *p_from_node) const;
Ref<Theme> _get_owner_node_theme(Node *p_owner_node) const;
public:
// Theme owner node.
void set_owner_node(Node *p_node);
Node *get_owner_node() const;
bool has_owner_node() const;
void set_owner_context(ThemeContext *p_context, bool p_propagate = true);
// Theme propagation.
void assign_theme_on_parented(Node *p_for_node);
void clear_theme_on_unparented(Node *p_for_node);
void propagate_theme_changed(Node *p_to_node, Node *p_owner_node, bool p_notify, bool p_assign);
// Theme lookup.
void get_theme_type_dependencies(const Node *p_for_node, const StringName &p_theme_type, Vector<StringName> &r_result) const;
Variant get_theme_item_in_types(Theme::DataType p_data_type, const StringName &p_name, const Vector<StringName> &p_theme_types);
bool has_theme_item_in_types(Theme::DataType p_data_type, const StringName &p_name, const Vector<StringName> &p_theme_types);
float get_theme_default_base_scale();
Ref<Font> get_theme_default_font();
int get_theme_default_font_size();
ThemeOwner(Node *p_holder) { holder = p_holder; }
~ThemeOwner() {}
};
#endif // THEME_OWNER_H