celestia/src/celengine/console.h

98 lines
2.0 KiB
C++

// console.h
//
// Copyright (C) 2003, Chris Laurel <claurel@shatters.net>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
#ifndef _CELENGINE_CONSOLE_H_
#define _CELENGINE_CONSOLE_H_
#include <string>
#include <iostream>
#include <celtxf/texturefont.h>
class Console;
// Custom streambuf class to support C++ operator style output. The
// output is completely unbuffered.
class ConsoleStreamBuf : public std::streambuf
{
public:
ConsoleStreamBuf() { setbuf(0, 0); };
void setConsole(Console*);
int overflow(int c = EOF);
enum UTF8DecodeState
{
UTF8DecodeStart = 0,
UTF8DecodeMultibyte = 1,
};
private:
Console* console{ nullptr };
UTF8DecodeState decodeState{ UTF8DecodeStart };
wchar_t decodedChar{ 0 };
unsigned int decodeShift{ 0 };
};
class Console : public std::ostream
{
public:
Console(int _nRows, int _nColumns);
~Console();
bool setRowCount(int _nRows);
void begin();
void end();
void render(int rowHeight);
void setScale(int, int);
void setFont(TextureFont*);
void setColor(float r, float g, float b, float a) const;
void setColor(const Color& c) const;
void moveBy(float dx, float dy, float dz = 0.0f) const;
void print(wchar_t);
void print(char*);
void newline();
int getRow() const;
int getColumn() const;
int getWindowRow() const;
void setWindowRow(int);
void setWindowHeight(int);
int getHeight() const;
int getWidth() const;
private:
wchar_t* text{ nullptr };
int nRows;
int nColumns;
int row{ 0 };
int column{ 0 };
int windowRow{ 0 };
int windowHeight{ 10 };
int xscale{ 1 };
int yscale{ 1 };
TextureFont* font{ nullptr };
ConsoleStreamBuf sbuf;
bool autoScroll{ true };
};
#endif // _CELENGINE_CONSOLE_H_