winpty/agent/Agent.h
Ryan Prichard 1082c3ded2 Factor out line content tracking into a ConsoleLine class.
* Make line content tracking a little more aggressive about outputting
   lines that were previously truncated.
2015-09-29 04:53:43 -05:00

114 lines
3.4 KiB
C++

// Copyright (c) 2011-2012 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_H
#define AGENT_H
#include <windows.h>
#include <string>
#include <vector>
#include "EventLoop.h"
#include "DsrSender.h"
#include "Coord.h"
#include "SmallRect.h"
#include "ConsoleLine.h"
class Win32Console;
class ConsoleInput;
class Terminal;
class ReadBuffer;
class NamedPipe;
struct ConsoleScreenBufferInfo;
const int BUFFER_LINE_COUNT = 3000; // TODO: Use something like 9000.
const int MAX_CONSOLE_WIDTH = 500;
const int SYNC_MARKER_LEN = 16;
class Agent : public EventLoop, public DsrSender
{
public:
Agent(LPCWSTR controlPipeName,
LPCWSTR dataPipeName,
int initialCols,
int initialRows);
virtual ~Agent();
void sendDsr();
private:
NamedPipe *makeSocket(LPCWSTR pipeName);
void resetConsoleTracking(bool sendClear = true);
private:
void pollControlSocket();
void handlePacket(ReadBuffer &packet);
int handleStartProcessPacket(ReadBuffer &packet);
int handleSetSizePacket(ReadBuffer &packet);
void pollDataSocket();
protected:
virtual void onPollTimeout();
virtual void onPipeIo(NamedPipe *namedPipe);
private:
void markEntireWindowDirty(const SmallRect &windowRect);
void scanForDirtyLines();
void clearBufferLines(int firstRow, int count, WORD attributes);
void resizeImpl(const ConsoleScreenBufferInfo &origInfo);
void resizeWindow(int cols, int rows);
void syncConsoleContentAndSize(bool forceResize);
void syncConsoleTitle();
void directScrapeOutput(const ConsoleScreenBufferInfo &info);
void scrollingScrapeOutput(const ConsoleScreenBufferInfo &info);
void reopenConsole();
void freezeConsole();
void unfreezeConsole();
void syncMarkerText(CHAR_INFO *output);
int findSyncMarker();
void createSyncMarker(int row);
private:
Win32Console *m_console;
NamedPipe *m_controlSocket;
NamedPipe *m_dataSocket;
bool m_closingDataSocket;
Terminal *m_terminal;
ConsoleInput *m_consoleInput;
HANDLE m_childProcess;
int m_childExitCode;
int m_syncRow;
int m_syncCounter;
bool m_directMode;
Coord m_ptySize;
int m_scrapedLineCount;
int m_scrolledCount;
int m_maxBufferedLine;
std::vector<ConsoleLine> m_bufferData;
int m_dirtyWindowTop;
int m_dirtyLineCount;
std::wstring m_currentTitle;
};
#endif // AGENT_H