godot/scene/resources/theme.cpp

/*************************************************************************/
/*  theme.cpp                                                            */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2017 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.                */
/*************************************************************************/
#include "theme.h"
#include "print_string.h"
#include "os/file_access.h"


Ref<Theme> Theme::default_theme;


void Theme::_emit_theme_changed() {

	emit_changed();
}

void  Theme::_ref_font( Ref<Font> p_sc) {

	if (!font_refcount.has(p_sc)) {
		font_refcount[p_sc]=1;
		p_sc->connect("changed",this,"_emit_theme_changed");
	} else {
		font_refcount[p_sc]+=1;
	}
}

void  Theme::_unref_font(Ref<Font> p_sc) {

	ERR_FAIL_COND(!font_refcount.has(p_sc));
	font_refcount[p_sc]--;
	if (font_refcount[p_sc]==0) {
		p_sc->disconnect("changed",this,"_emit_theme_changed");
		font_refcount.erase(p_sc);
	}
}


bool Theme::_set(const StringName& p_name, const Variant& p_value) {

	String sname=p_name;

	if (sname.find("/")!=-1) {

		String type=sname.get_slicec('/',1);
		String node_type=sname.get_slicec('/',0);
		String name=sname.get_slicec('/',2);

		if (type=="icons") {

			set_icon(name,node_type,p_value);
		} else if (type=="styles") {

			set_stylebox(name,node_type,p_value);
		} else if (type=="fonts") {

			set_font(name,node_type,p_value);
		} else if (type=="colors") {

			set_color(name,node_type,p_value);
		} else if (type=="constants") {

			set_constant(name,node_type,p_value);
		} else
			return false;

		return true;
	}

	return false;

}

bool Theme::_get(const StringName& p_name,Variant &r_ret) const {

	String sname=p_name;

	if (sname.find("/")!=-1) {

		String type=sname.get_slicec('/',1);
		String node_type=sname.get_slicec('/',0);
		String name=sname.get_slicec('/',2);

		if (type=="icons") {

			if (!has_icon(name,node_type))
				r_ret=Ref<Texture>();
			else
				r_ret= get_icon(name,node_type);
		} else if (type=="styles") {

			if (!has_stylebox(name,node_type))
				r_ret=Ref<StyleBox>();
			else
				r_ret= get_stylebox(name,node_type);
		} else if (type=="fonts") {

			if (!has_font(name,node_type))
				r_ret=Ref<Font>();
			else
				r_ret= get_font(name,node_type);
		} else if (type=="colors") {

			r_ret= get_color(name,node_type);
		} else if (type=="constants") {

			r_ret= get_constant(name,node_type);
		} else
			return false;

		return true;
	}

	return false;
}

void Theme::_get_property_list( List<PropertyInfo> *p_list) const {


	List<PropertyInfo> list;

	const StringName *key=NULL;

	while((key=icon_map.next(key))) {

		const StringName *key2=NULL;

		while((key2=icon_map[*key].next(key2))) {

			list.push_back( PropertyInfo( Variant::OBJECT, String()+*key+"/icons/"+*key2, PROPERTY_HINT_RESOURCE_TYPE, "Texture",PROPERTY_USAGE_DEFAULT|PROPERTY_USAGE_STORE_IF_NULL ) );
		}
	}

	key=NULL;

	while((key=style_map.next(key))) {

		const StringName *key2=NULL;

		while((key2=style_map[*key].next(key2))) {

			list.push_back( PropertyInfo( Variant::OBJECT, String()+*key+"/styles/"+*key2, PROPERTY_HINT_RESOURCE_TYPE, "StyleBox", PROPERTY_USAGE_DEFAULT|PROPERTY_USAGE_STORE_IF_NULL ) );
		}
	}

	key=NULL;


	while((key=font_map.next(key))) {

		const StringName *key2=NULL;

		while((key2=font_map[*key].next(key2))) {

			list.push_back( PropertyInfo( Variant::OBJECT, String()+*key+"/fonts/"+*key2, PROPERTY_HINT_RESOURCE_TYPE, "Font",PROPERTY_USAGE_DEFAULT|PROPERTY_USAGE_STORE_IF_NULL ) );
		}
	}

	key=NULL;

	while((key=color_map.next(key))) {

		const StringName *key2=NULL;

		while((key2=color_map[*key].next(key2))) {

			list.push_back( PropertyInfo( Variant::COLOR, String()+*key+"/colors/"+*key2 ) );
		}
	}

	key=NULL;

	while((key=constant_map.next(key))) {

		const StringName *key2=NULL;

		while((key2=constant_map[*key].next(key2))) {

			list.push_back( PropertyInfo( Variant::INT, String()+*key+"/constants/"+*key2 ) );
		}
	}

	list.sort();
	for(List<PropertyInfo>::Element *E=list.front();E;E=E->next()) {
		p_list->push_back(E->get());
	}

}

Ref<Theme> Theme::get_default() {

	return default_theme;
}


void Theme::set_default_theme_font( const Ref<Font>& p_default_font ) {

	if (default_theme_font==p_default_font)
		return;

	if (default_theme_font.is_valid()) {
		_unref_font(default_theme_font);
	}

	default_theme_font=p_default_font;

	if (default_theme_font.is_valid()) {
		_ref_font(default_theme_font);
	}

	_change_notify();
	emit_changed();

}

Ref<Font> Theme::get_default_theme_font() const {

	return default_theme_font;
}

void Theme::set_default(const Ref<Theme>& p_default) {

	default_theme=p_default;
}

Ref<Texture> Theme::default_icon;
Ref<StyleBox> Theme::default_style;
Ref<Font> Theme::default_font;


void Theme::set_default_icon( const Ref<Texture>& p_icon ) {

	default_icon=p_icon;
}
void Theme::set_default_style( const Ref<StyleBox>& p_style) {

	default_style=p_style;
}
void Theme::set_default_font( const Ref<Font>& p_font ) {

	default_font=p_font;
}

void Theme::set_icon(const StringName& p_name,const StringName& p_type,const Ref<Texture>& p_icon) {

	//ERR_FAIL_COND(p_icon.is_null());

	bool new_value=!icon_map.has(p_type) || !icon_map[p_type].has(p_name);

	icon_map[p_type][p_name]=p_icon;

	if (new_value) {
		_change_notify();
		emit_changed();
	}
}
Ref<Texture> Theme::get_icon(const StringName& p_name,const StringName& p_type) const {

	if (icon_map.has(p_type) && icon_map[p_type].has(p_name) && icon_map[p_type][p_name].is_valid()) {

		return icon_map[p_type][p_name];
	} else {
		return default_icon;
	}
}

bool Theme::has_icon(const StringName& p_name,const StringName& p_type) const {

	return (icon_map.has(p_type) && icon_map[p_type].has(p_name) && icon_map[p_type][p_name].is_valid());
}


void Theme::clear_icon(const StringName& p_name,const StringName& p_type) {

	ERR_FAIL_COND(!icon_map.has(p_type));
	ERR_FAIL_COND(!icon_map[p_type].has(p_name));

	icon_map[p_type].erase(p_name);
	_change_notify();
	emit_changed();

}

void Theme::get_icon_list(StringName p_type, List<StringName> *p_list) const {

	if (!icon_map.has(p_type))
		return;

	const StringName *key=NULL;

	while((key=icon_map[p_type].next(key))) {

		p_list->push_back(*key);
	}

}

void Theme::set_shader(const StringName &p_name,const StringName &p_type,const Ref<Shader>& p_shader) {
	bool new_value=!shader_map.has(p_type) || !shader_map[p_type].has(p_name);

	shader_map[p_type][p_name]=p_shader;

	if (new_value) {
		_change_notify();
		emit_changed();
	}
}

Ref<Shader> Theme::get_shader(const StringName &p_name, const StringName &p_type) const {
	if (shader_map.has(p_type) && shader_map[p_type].has(p_name) && shader_map[p_type][p_name].is_valid()) {
		return shader_map[p_type][p_name];
	} else {
		return NULL;
	}
}

bool Theme::has_shader(const StringName &p_name, const StringName &p_type) const {
	return (shader_map.has(p_type) && shader_map[p_type].has(p_name) && shader_map[p_type][p_name].is_valid());
}

void Theme::clear_shader(const StringName &p_name, const StringName &p_type) {
	ERR_FAIL_COND(!shader_map.has(p_type));
	ERR_FAIL_COND(!shader_map[p_type].has(p_name));

	shader_map[p_type].erase(p_name);
	_change_notify();
	emit_changed();
}

void Theme::get_shader_list(const StringName &p_type, List<StringName> *p_list) const {
	if (!shader_map.has(p_type))
		return;

	const StringName *key=NULL;

	while((key=shader_map[p_type].next(key))) {

		p_list->push_back(*key);
	}

}


void Theme::set_stylebox(const StringName& p_name,const StringName& p_type,const Ref<StyleBox>& p_style) {

	//ERR_FAIL_COND(p_style.is_null());

	bool new_value=!style_map.has(p_type) || !style_map[p_type].has(p_name);

	style_map[p_type][p_name]=p_style;

	if (new_value)
		_change_notify();
	emit_changed();

}


Ref<StyleBox> Theme::get_stylebox(const StringName& p_name,const StringName& p_type) const {

	if (style_map.has(p_type) && style_map[p_type].has(p_name) && style_map[p_type][p_name].is_valid()) {

		return style_map[p_type][p_name];
	} else {
		return default_style;

	}
}

bool Theme::has_stylebox(const StringName& p_name,const StringName& p_type) const {

	return (style_map.has(p_type) && style_map[p_type].has(p_name) && style_map[p_type][p_name].is_valid());
}

void Theme::clear_stylebox(const StringName& p_name,const StringName& p_type) {

	ERR_FAIL_COND(!style_map.has(p_type));
	ERR_FAIL_COND(!style_map[p_type].has(p_name));

	style_map[p_type].erase(p_name);
	_change_notify();
	emit_changed();

}

void Theme::get_stylebox_list(StringName p_type, List<StringName> *p_list) const {

	if (!style_map.has(p_type))
		return;

	const StringName *key=NULL;

	while((key=style_map[p_type].next(key))) {

		p_list->push_back(*key);
	}

}

void Theme::get_stylebox_types(List<StringName> *p_list) const {
	const StringName *key=NULL;
	while((key=style_map.next(key))) {
		p_list->push_back(*key);
	}
}

void Theme::set_font(const StringName& p_name,const StringName& p_type,const Ref<Font>& p_font) {

	//ERR_FAIL_COND(p_font.is_null());

	bool new_value=!font_map.has(p_type) || !font_map[p_type].has(p_name);

	if (!new_value) {
		if (font_map[p_type][p_name].is_valid()) {
			_unref_font(font_map[p_type][p_name]);
		}
	}
	font_map[p_type][p_name]=p_font;

	if (p_font.is_valid()) {
		_ref_font(p_font);
	}

	if (new_value) {
		_change_notify();
		emit_changed();
	}
}
Ref<Font> Theme::get_font(const StringName& p_name,const StringName& p_type) const {

	if (font_map.has(p_type) && font_map[p_type].has(p_name) && font_map[p_type][p_name].is_valid())
		return font_map[p_type][p_name];
	else if (default_theme_font.is_valid())
		return default_theme_font;
	else
		return default_font;

}

bool Theme::has_font(const StringName& p_name,const StringName& p_type) const {

	return (font_map.has(p_type) && font_map[p_type].has(p_name) && font_map[p_type][p_name].is_valid());
}

void Theme::clear_font(const StringName& p_name,const StringName& p_type) {

	ERR_FAIL_COND(!font_map.has(p_type));
	ERR_FAIL_COND(!font_map[p_type].has(p_name));

	if (font_map.has(p_type) && font_map[p_type].has(p_name) && font_map[p_type][p_name].is_valid()) {
		_unref_font(font_map[p_type][p_name]);
	}

	font_map[p_type].erase(p_name);
	_change_notify();
	emit_changed();

}

void Theme::get_font_list(StringName p_type, List<StringName> *p_list) const {

	if (!font_map.has(p_type))
		return;

	const StringName *key=NULL;

	while((key=font_map[p_type].next(key))) {

		p_list->push_back(*key);
	}

}

void Theme::set_color(const StringName& p_name,const StringName& p_type,const Color& p_color) {

	bool new_value=!color_map.has(p_type) || !color_map[p_type].has(p_name);

	color_map[p_type][p_name]=p_color;

	if (new_value) {
		_change_notify();
		emit_changed();

	}
}



Color Theme::get_color(const StringName& p_name,const StringName& p_type) const {

	if (color_map.has(p_type) && color_map[p_type].has(p_name))
		return color_map[p_type][p_name];
	else
		return Color();

}

bool Theme::has_color(const StringName& p_name,const StringName& p_type) const {

	return (color_map.has(p_type) && color_map[p_type].has(p_name));
}

void Theme::clear_color(const StringName& p_name,const StringName& p_type) {

	ERR_FAIL_COND(!color_map.has(p_type));
	ERR_FAIL_COND(!color_map[p_type].has(p_name));

	color_map[p_type].erase(p_name);
	_change_notify();
	emit_changed();

}

void Theme::get_color_list(StringName p_type, List<StringName> *p_list) const {

	if (!color_map.has(p_type))
		return;

	const StringName *key=NULL;

	while((key=color_map[p_type].next(key))) {

		p_list->push_back(*key);
	}

}

void Theme::set_constant(const StringName& p_name,const StringName& p_type,int p_constant) {

	bool new_value=!constant_map.has(p_type) || !constant_map[p_type].has(p_name);
	constant_map[p_type][p_name]=p_constant;

	if (new_value) {
		_change_notify();
		emit_changed();
	}
}

int Theme::get_constant(const StringName& p_name,const StringName& p_type) const {

	if (constant_map.has(p_type) && constant_map[p_type].has(p_name))
		return constant_map[p_type][p_name];
	else {
		return 0;
	}

}

bool Theme::has_constant(const StringName& p_name,const StringName& p_type) const {

	return (constant_map.has(p_type) && constant_map[p_type].has(p_name));
}

void Theme::clear_constant(const StringName& p_name,const StringName& p_type) {

	ERR_FAIL_COND(!constant_map.has(p_type));
	ERR_FAIL_COND(!constant_map[p_type].has(p_name));

	constant_map[p_type].erase(p_name);
	_change_notify();
	emit_changed();

}

void Theme::get_constant_list(StringName p_type, List<StringName> *p_list) const {

	if (!constant_map.has(p_type))
		return;

	const StringName *key=NULL;

	while((key=constant_map[p_type].next(key))) {

		p_list->push_back(*key);
	}

}


void Theme::copy_default_theme() {

	Ref<Theme> default_theme=get_default();

	icon_map=default_theme->icon_map;
	style_map=default_theme->style_map;
	font_map=default_theme->font_map;
	color_map=default_theme->color_map;
	constant_map=default_theme->constant_map;
	_change_notify();
	emit_changed();

}

void Theme::get_type_list(List<StringName> *p_list) const {

	Set<StringName> types;

	const StringName *key=NULL;

	while((key=icon_map.next(key))) {

		types.insert(*key);
	}

	key=NULL;

	while((key=style_map.next(key))) {

		types.insert(*key);
	}

	key=NULL;

	while((key=font_map.next(key))) {

		types.insert(*key);
	}

	key=NULL;

	while((key=color_map.next(key))) {

		types.insert(*key);
	}

	key=NULL;

	while((key=constant_map.next(key))) {

		types.insert(*key);
	}


	for(Set<StringName>::Element *E=types.front();E;E=E->next()) {

		p_list->push_back(E->get());
	}
}


void Theme::_bind_methods() {

	ClassDB::bind_method(_MD("set_icon","name","type","texture:Texture"),&Theme::set_icon);
	ClassDB::bind_method(_MD("get_icon:Texture","name","type"),&Theme::get_icon);
	ClassDB::bind_method(_MD("has_icon","name","type"),&Theme::has_icon);
	ClassDB::bind_method(_MD("clear_icon","name","type"),&Theme::clear_icon);
	ClassDB::bind_method(_MD("get_icon_list","type"),&Theme::_get_icon_list);

	ClassDB::bind_method(_MD("set_stylebox","name","type","texture:StyleBox"),&Theme::set_stylebox);
	ClassDB::bind_method(_MD("get_stylebox:StyleBox","name","type"),&Theme::get_stylebox);
	ClassDB::bind_method(_MD("has_stylebox","name","type"),&Theme::has_stylebox);
	ClassDB::bind_method(_MD("clear_stylebox","name","type"),&Theme::clear_stylebox);
	ClassDB::bind_method(_MD("get_stylebox_list","type"),&Theme::_get_stylebox_list);
	ClassDB::bind_method(_MD("get_stylebox_types"),&Theme::_get_stylebox_types);

	ClassDB::bind_method(_MD("set_font","name","type","font:Font"),&Theme::set_font);
	ClassDB::bind_method(_MD("get_font:Font","name","type"),&Theme::get_font);
	ClassDB::bind_method(_MD("has_font","name","type"),&Theme::has_font);
	ClassDB::bind_method(_MD("clear_font","name","type"),&Theme::clear_font);
	ClassDB::bind_method(_MD("get_font_list","type"),&Theme::_get_font_list);

	ClassDB::bind_method(_MD("set_color","name","type","color"),&Theme::set_color);
	ClassDB::bind_method(_MD("get_color","name","type"),&Theme::get_color);
	ClassDB::bind_method(_MD("has_color","name","type"),&Theme::has_color);
	ClassDB::bind_method(_MD("clear_color","name","type"),&Theme::clear_color);
	ClassDB::bind_method(_MD("get_color_list","type"),&Theme::_get_color_list);

	ClassDB::bind_method(_MD("set_constant","name","type","constant"),&Theme::set_constant);
	ClassDB::bind_method(_MD("get_constant","name","type"),&Theme::get_constant);
	ClassDB::bind_method(_MD("has_constant","name","type"),&Theme::has_constant);
	ClassDB::bind_method(_MD("clear_constant","name","type"),&Theme::clear_constant);
	ClassDB::bind_method(_MD("get_constant_list","type"),&Theme::_get_constant_list);

	ClassDB::bind_method(_MD("set_default_font","font"),&Theme::set_default_theme_font);
	ClassDB::bind_method(_MD("get_default_font"),&Theme::get_default_theme_font);

	ClassDB::bind_method(_MD("get_type_list","type"),&Theme::_get_type_list);

	ClassDB::bind_method(_MD("_emit_theme_changed"),&Theme::_emit_theme_changed);




	ClassDB::bind_method("copy_default_theme",&Theme::copy_default_theme);

	ADD_PROPERTY(PropertyInfo(Variant::OBJECT,"default_font",PROPERTY_HINT_RESOURCE_TYPE,"Font"),"set_default_font","get_default_font");

}

Theme::Theme() {


}


Theme::~Theme()
{
}



RES ResourceFormatLoaderTheme::load(const String &p_path, const String& p_original_path, Error *r_error) {
	if (r_error)
		*r_error=ERR_CANT_OPEN;

	Error err;
	FileAccess *f = FileAccess::open(p_path,FileAccess::READ,&err);

	ERR_EXPLAIN("Unable to open theme file: "+p_path);
	ERR_FAIL_COND_V(err,RES());
	String base_path = p_path.get_base_dir();
	Ref<Theme> theme( memnew( Theme ) );
	Map<StringName,Variant> library;
	if (r_error)
		*r_error=ERR_FILE_CORRUPT;

	bool reading_library=false;
	int line=0;

	while(!f->eof_reached()) {

		String l = f->get_line().strip_edges();
		line++;

		int comment = l.find(";");
		if (comment!=-1)
			l=l.substr(0,comment);
		if (l=="")
			continue;

		if (l.begins_with("[")) {
			if (l=="[library]") {
				reading_library=true;
			}  else if (l=="[theme]") {
				reading_library=false;
			} else {
				memdelete(f);
				ERR_EXPLAIN(p_path+":"+itos(line)+": Unknown section type: '"+l+"'.");
				ERR_FAIL_V(RES());
			}
			continue;
		}

		int eqpos = l.find("=");
		if (eqpos==-1) {
			memdelete(f);
			ERR_EXPLAIN(p_path+":"+itos(line)+": Expected '='.");
			ERR_FAIL_V(RES());
		}


		String right=l.substr(eqpos+1,l.length()).strip_edges();
		if (right=="") {
			memdelete(f);
			ERR_EXPLAIN(p_path+":"+itos(line)+": Expected value after '='.");
			ERR_FAIL_V(RES());
		}

		Variant value;

		if (right.is_valid_integer()) {
			//is number
			value = right.to_int();
		} else if (right.is_valid_html_color()) {
			//is html color
			value = Color::html(right);
		} else if (right.begins_with("@")) { //reference

			String reference = right.substr(1,right.length());
			if (!library.has(reference)) {
				memdelete(f);
				ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid reference to '"+reference+"'.");
				ERR_FAIL_V(RES());

			}

			value=library[reference];

		} else if (right.begins_with("default")) { //use default
			//do none
		} else {
			//attempt to parse a constructor
			int popenpos = right.find("(");

			if (popenpos==-1) {
				memdelete(f);
				ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid constructor syntax: "+right);
				ERR_FAIL_V(RES());
			}

			int pclosepos = right.find_last(")");

			if (pclosepos==-1) {
				ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid constructor parameter syntax: "+right);
				ERR_FAIL_V(RES());

			}

			String type = right.substr(0,popenpos);
			String param = right.substr(popenpos+1,pclosepos-popenpos-1);



			if (type=="icon") {

				String path;

				if (param.is_abs_path())
					path=param;
				else
					path=base_path+"/"+param;

				Ref<Texture> texture = ResourceLoader::load(path);
				if (!texture.is_valid()) {
					memdelete(f);
					ERR_EXPLAIN(p_path+":"+itos(line)+": Couldn't find icon at path: "+path);
					ERR_FAIL_V(RES());
				}

				value=texture;

			} else if (type=="sbox") {

				String path;

				if (param.is_abs_path())
					path=param;
				else
					path=base_path+"/"+param;

				Ref<StyleBox> stylebox = ResourceLoader::load(path);
				if (!stylebox.is_valid()) {
					memdelete(f);
					ERR_EXPLAIN(p_path+":"+itos(line)+": Couldn't find stylebox at path: "+path);
					ERR_FAIL_V(RES());
				}

				value=stylebox;

			} else if (type=="sboxt") {

				Vector<String> params = param.split(",");
				if (params.size()!=5 && params.size()!=9) {
					memdelete(f);
					ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid param count for sboxt(): '"+right+"'.");
					ERR_FAIL_V(RES());

				}

				String path=params[0];

				if (!param.is_abs_path())
					path=base_path+"/"+path;

				Ref<Texture> tex = ResourceLoader::load(path);
				if (tex.is_null()) {
					memdelete(f);
					ERR_EXPLAIN(p_path+":"+itos(line)+": Could not open texture for sboxt at path: '"+params[0]+"'.");
					ERR_FAIL_V(RES());

				}

				Ref<StyleBoxTexture> sbtex( memnew(StyleBoxTexture) );

				sbtex->set_texture(tex);

				for(int i=0;i<4;i++) {
					if (!params[i+1].is_valid_integer()) {

						memdelete(f);
						ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid expand margin parameter for sboxt #"+itos(i+1) +", expected integer constant, got: '"+params[i+1]+"'.");
						ERR_FAIL_V(RES());
					}

					int margin = params[i+1].to_int();
					sbtex->set_expand_margin_size(Margin(i),margin);
				}

				if (params.size()==9) {

					for(int i=0;i<4;i++) {

						if (!params[i+5].is_valid_integer()) {
							memdelete(f);
							ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid expand margin parameter for sboxt #"+itos(i+5) +", expected integer constant, got: '"+params[i+5]+"'.");
							ERR_FAIL_V(RES());
						}

						int margin = params[i+5].to_int();
						sbtex->set_margin_size(Margin(i),margin);
					}
				}

				value = sbtex;
			} else if (type=="sboxf") {

				Vector<String> params = param.split(",");
				if (params.size()<2) {

					memdelete(f);
					ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid param count for sboxf(): '"+right+"'.");
					ERR_FAIL_V(RES());

				}

				Ref<StyleBoxFlat> sbflat( memnew(StyleBoxFlat) );

				if (!params[0].is_valid_integer()) {

					memdelete(f);
					ERR_EXPLAIN(p_path+":"+itos(line)+": Expected integer numeric constant for parameter 0 (border size).");
					ERR_FAIL_V(RES());

				}

				sbflat->set_border_size(params[0].to_int());

				if (!params[0].is_valid_integer()) {

					memdelete(f);
					ERR_EXPLAIN(p_path+":"+itos(line)+": Expected integer numeric constant for parameter 0 (border size).");
					ERR_FAIL_V(RES());

				}


				int left = MIN( params.size()-1, 3 );

				int ccodes=0;

				for(int i=0;i<left;i++) {

					if (params[i+1].is_valid_html_color())
						ccodes++;
					else
						break;
				}

				Color normal;
				Color bright;
				Color dark;

				if (ccodes<1) {
					memdelete(f);
					ERR_EXPLAIN(p_path+":"+itos(line)+": Expected at least 1, 2 or 3 html color codes.");
					ERR_FAIL_V(RES());
				} else if (ccodes==1) {

					normal=Color::html(params[1]);
					bright=Color::html(params[1]);
					dark=Color::html(params[1]);
				} else if (ccodes==2) {

					normal=Color::html(params[1]);
					bright=Color::html(params[2]);
					dark=Color::html(params[2]);
				} else {

					normal=Color::html(params[1]);
					bright=Color::html(params[2]);
					dark=Color::html(params[3]);
				}

				sbflat->set_dark_color(dark);
				sbflat->set_light_color(bright);
				sbflat->set_bg_color(normal);

				if (params.size()==ccodes+5) {
					//margins
					for(int i=0;i<4;i++) {

						if (!params[i+ccodes+1].is_valid_integer()) {
							memdelete(f);
							ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid expand margin parameter for sboxf #"+itos(i+ccodes+1) +", expected integer constant, got: '"+params[i+ccodes+1]+"'.");
							ERR_FAIL_V(RES());
						}

						//int margin = params[i+ccodes+1].to_int();
						//sbflat->set_margin_size(Margin(i),margin);
					}
				} else if (params.size()!=ccodes+1) {
					memdelete(f);
					ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid amount of margin parameters for sboxt.");
					ERR_FAIL_V(RES());

				}


				value=sbflat;

			} else {
				memdelete(f);
				ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid constructor type: '"+type+"'.");
				ERR_FAIL_V(RES());

			}

		}


		//parse left and do something with it
		String left= l.substr(0,eqpos);

		if (reading_library) {

			left=left.strip_edges();
			if (!left.is_valid_identifier()) {
				memdelete(f);
				ERR_EXPLAIN(p_path+":"+itos(line)+": <LibraryItem> is not a valid identifier.");
				ERR_FAIL_V(RES());
			}
			if (library.has(left)) {
				memdelete(f);
				ERR_EXPLAIN(p_path+":"+itos(line)+": Already in library: '"+left+"'.");
				ERR_FAIL_V(RES());
			}

			library[left]=value;
		} else {

			int pointpos = left.find(".");
			if (pointpos==-1) {
				memdelete(f);
				ERR_EXPLAIN(p_path+":"+itos(line)+": Expected 'control.item=..' assign syntax.");
				ERR_FAIL_V(RES());
			}

			String control=left.substr(0,pointpos).strip_edges();
			if (!control.is_valid_identifier()) {
				memdelete(f);
				ERR_EXPLAIN(p_path+":"+itos(line)+": <Control> is not a valid identifier.");
				ERR_FAIL_V(RES());
			}
			String item=left.substr(pointpos+1,left.size()).strip_edges();
			if (!item.is_valid_identifier()) {
				memdelete(f);
				ERR_EXPLAIN(p_path+":"+itos(line)+": <Item> is not a valid identifier.");
				ERR_FAIL_V(RES());
			}

			if (value.get_type()==Variant::NIL) {
				//try to use exiting
				if (Theme::get_default()->has_stylebox(item,control))
					value=Theme::get_default()->get_stylebox(item,control);
				else if (Theme::get_default()->has_font(item,control))
					value=Theme::get_default()->get_font(item,control);
				else if (Theme::get_default()->has_icon(item,control))
					value=Theme::get_default()->get_icon(item,control);
				else if (Theme::get_default()->has_color(item,control))
					value=Theme::get_default()->get_color(item,control);
				else if (Theme::get_default()->has_constant(item,control))
					value=Theme::get_default()->get_constant(item,control);
				else {
					memdelete(f);
					ERR_EXPLAIN(p_path+":"+itos(line)+": Default not present for: '"+control+"."+item+"'.");
					ERR_FAIL_V(RES());
				}

			}

			if (value.get_type()==Variant::OBJECT) {

				Ref<Resource> res = value;
				if (!res.is_valid()) {

					memdelete(f);
					ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid resource (NULL).");
					ERR_FAIL_V(RES());
				}

				if (res->cast_to<StyleBox>()) {

					theme->set_stylebox(item,control,res);
				} else if (res->cast_to<Font>()) {
					theme->set_font(item,control,res);
				} else if (res->cast_to<Font>()) {
					theme->set_font(item,control,res);
				} else if (res->cast_to<Texture>()) {
					theme->set_icon(item,control,res);
				} else {
					memdelete(f);
					ERR_EXPLAIN(p_path+":"+itos(line)+": Invalid resource type.");
					ERR_FAIL_V(RES());
				}
			} else if (value.get_type()==Variant::COLOR) {

				theme->set_color(item,control,value);

			} else if (value.get_type()==Variant::INT) {

				theme->set_constant(item,control,value);

			} else {

				memdelete(f);
				ERR_EXPLAIN(p_path+":"+itos(line)+": Couldn't even determine what this setting is! what did you do!?");
				ERR_FAIL_V(RES());
			}

		}


	}

	f->close();
	memdelete(f);

	if (r_error)
		*r_error=OK;

	return theme;
}

void ResourceFormatLoaderTheme::get_recognized_extensions(List<String> *p_extensions) const {

	p_extensions->push_back("theme");
}

bool ResourceFormatLoaderTheme::handles_type(const String& p_type) const {

	return p_type=="Theme";
}

String ResourceFormatLoaderTheme::get_resource_type(const String &p_path) const {

	if (p_path.get_extension().to_lower()=="theme")
		return "Theme";
	return "";
}