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// Copyright (c) 2011-2016 Ryan Prichard
//
// 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 AGENT_WIN32_CONSOLE_BUFFER_H
#define AGENT_WIN32_CONSOLE_BUFFER_H
#include <windows.h>
#include <string.h>
#include <memory>
#include "Coord.h"
#include "SmallRect.h"
class ConsoleScreenBufferInfo : public CONSOLE_SCREEN_BUFFER_INFO {
public:
ConsoleScreenBufferInfo()
{
memset(this, 0, sizeof(*this));
}
Coord bufferSize() const { return dwSize; }
SmallRect windowRect() const { return srWindow; }
Coord cursorPosition() const { return dwCursorPosition; }
};
class Win32ConsoleBuffer {
private:
Win32ConsoleBuffer(HANDLE conout, bool owned) :
m_conout(conout), m_owned(owned)
{
}
public:
static const int kDefaultAttributes = 7;
~Win32ConsoleBuffer() {
if (m_owned) {
CloseHandle(m_conout);
}
}
static std::unique_ptr<Win32ConsoleBuffer> openStdout();
static std::unique_ptr<Win32ConsoleBuffer> openConout();
static std::unique_ptr<Win32ConsoleBuffer> createErrorBuffer();
Win32ConsoleBuffer(const Win32ConsoleBuffer &other) = delete;
Win32ConsoleBuffer &operator=(const Win32ConsoleBuffer &other) = delete;
HANDLE conout();
void clearLines(int row, int count, const ConsoleScreenBufferInfo &info);
void clearAllLines(const ConsoleScreenBufferInfo &info);
// Buffer and window sizes.
ConsoleScreenBufferInfo bufferInfo();
Coord bufferSize();
SmallRect windowRect();
void resizeBuffer(const Coord &size);
bool resizeBufferRange(const Coord &initialSize, Coord &finalSize);
bool resizeBufferRange(const Coord &initialSize) {
Coord dummy;
return resizeBufferRange(initialSize, dummy);
}
void moveWindow(const SmallRect &rect);
// Cursor.
Coord cursorPosition();
void setCursorPosition(const Coord &point);
// Screen content.
void read(const SmallRect &rect, CHAR_INFO *data);
void write(const SmallRect &rect, const CHAR_INFO *data);
void setTextAttribute(WORD attributes);
private:
HANDLE m_conout = nullptr;
bool m_owned = false;
};
#endif // AGENT_WIN32_CONSOLE_BUFFER_H
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