godot/editor/editor_themes.h

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/*  editor_themes.h                                                       */
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#ifndef EDITOR_THEMES_H
#define EDITOR_THEMES_H

#include "scene/resources/texture.h"
#include "scene/resources/theme.h"

// The default icon theme is designed to be used for a dark theme. This map stores
// Color values to convert to other colors for better readability on a light theme.
class EditorColorMap {
	// Godot Color values are used to avoid the ambiguity of strings
	// (where "#ffffff", "fff", and "white" are all equivalent).
	static HashMap<Color, Color> color_conversion_map;
	// The names of the icons to never convert, even if one of their colors
	// are contained in the color map from above.
	static HashSet<StringName> color_conversion_exceptions;

public:
	static void add_conversion_color_pair(const String p_from_color, const String p_to_color);
	static void add_conversion_exception(const StringName &p_icon_name);

	static HashMap<Color, Color> &get_color_conversion_map() { return color_conversion_map; };
	static HashSet<StringName> &get_color_conversion_exceptions() { return color_conversion_exceptions; };

	static void create();
	static void finish();
};

class EditorTheme : public Theme {
	GDCLASS(EditorTheme, Theme);

	static Vector<StringName> editor_theme_types;

public:
	virtual Color get_color(const StringName &p_name, const StringName &p_theme_type) const override;
	virtual int get_constant(const StringName &p_name, const StringName &p_theme_type) const override;
	virtual Ref<Font> get_font(const StringName &p_name, const StringName &p_theme_type) const override;
	virtual int get_font_size(const StringName &p_name, const StringName &p_theme_type) const override;
	virtual Ref<Texture2D> get_icon(const StringName &p_name, const StringName &p_theme_type) const override;
	virtual Ref<StyleBox> get_stylebox(const StringName &p_name, const StringName &p_theme_type) const override;

	static void initialize();
	static void finalize();
};

Ref<Theme> create_editor_theme(Ref<Theme> p_theme = nullptr);

Ref<Theme> create_custom_theme(Ref<Theme> p_theme = nullptr);

String get_default_project_icon();

#endif // EDITOR_THEMES_H