winpty/agent/ConsoleInput.h

93 lines
3.2 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 CONSOLEINPUT_H
#define CONSOLEINPUT_H
#include <string>
#include <vector>
#include <windows.h>
class Win32Console;
class DsrSender;
class ConsoleInput
{
public:
ConsoleInput(Win32Console *console, DsrSender *dsrSender);
void writeInput(const std::string &input);
void flushIncompleteEscapeCode();
private:
struct KeyDescriptor {
const char *encoding;
int virtualKey;
int unicodeChar;
int keyState;
int encodingLen;
};
class KeyLookup {
public:
KeyLookup();
~KeyLookup();
void set(const char *encoding, const KeyDescriptor *descriptor);
const KeyDescriptor *getMatch() const { return match; }
bool hasChildren() const { return children != NULL; }
KeyLookup *getChild(int i) { return children != NULL ? (*children)[i] : NULL; }
private:
const KeyDescriptor *match;
KeyLookup *(*children)[256];
};
void doWrite(bool isEof);
int scanKeyPress(std::vector<INPUT_RECORD> &records,
const char *input,
int inputSize,
bool isEof);
void appendUtf8Char(std::vector<INPUT_RECORD> &records,
const char *charBuffer,
int charLen,
int keyState);
void appendKeyPress(std::vector<INPUT_RECORD> &records,
int virtualKey,
int unicodeChar,
int keyState);
void appendInputRecord(std::vector<INPUT_RECORD> &records,
BOOL keyDown,
int virtualKey,
int unicodeChar,
int keyState);
static int utf8CharLength(char firstByte);
const KeyDescriptor *lookupKey(const char *encoding, bool isEof, bool *incomplete);
static int matchDsr(const char *encoding);
private:
static KeyDescriptor keyDescriptorTable[];
Win32Console *m_console;
DsrSender *m_dsrSender;
bool m_dsrSent;
std::string m_byteQueue;
KeyLookup m_lookup;
DWORD lastWriteTick;
};
#endif // CONSOLEINPUT_H