minetest/src/gui/window.h

103 lines
2.4 KiB
C++

/*
Minetest
Copyright (C) 2023 v-rob, Vincent Robinson <robinsonvincent89@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include "irrlichttypes_extrabloated.h"
#include "gui/elem.h"
#include "util/basic_macros.h"
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>
namespace ui
{
// Serialized enum; do not change order of entries.
enum class WindowType
{
BG,
MASK,
HUD,
MESSAGE,
GUI,
FG,
MAX_TYPE,
};
WindowType toWindowType(u8 type);
class Window
{
private:
static constexpr size_t MAX_TREE_DEPTH = 64;
u64 m_id;
WindowType m_type = WindowType::GUI;
std::unordered_map<std::string, std::unique_ptr<Elem>> m_elems;
std::vector<Elem *> m_ordered_elems;
Elem *m_root_elem;
std::vector<std::string> m_style_strs;
public:
Window(u64 id) :
m_id(id)
{
reset();
}
DISABLE_CLASS_COPY(Window)
ALLOW_CLASS_MOVE(Window)
u64 getId() const { return m_id; }
WindowType getType() const { return m_type; }
const std::vector<Elem *> &getElems() { return m_ordered_elems; }
Elem *getElem(const std::string &id, bool required);
Elem *getRoot() { return m_root_elem; }
const std::string *getStyleStr(u32 index) const;
void reset();
void read(std::istream &is, bool opening);
float getPixelSize() const;
d2f32 getScreenSize() const;
void drawAll();
private:
void readElems(std::istream &is,
std::unordered_map<Elem *, std::string> &elem_contents);
void readRootElem(std::istream &is);
void readStyles(std::istream &is);
void updateElems(std::unordered_map<Elem *, std::string> &elem_contents);
bool checkTree(Elem *elem, size_t depth) const;
size_t updateElemOrdering(Elem *elem, size_t order);
};
}