91 lines
3.4 KiB
C++
91 lines
3.4 KiB
C++
/**
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* @brief `ncurses` window displaying contents of a pseudo terminal
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* @author Christian Burger (christian@krikkel.de)
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*/
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#ifndef __WINDOW_H__
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#define __WINDOW_H__
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#include "SingleUserInput.hpp"
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#include <cursesw.h>
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#include <pty.h>
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#include <vterm.h>
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#include <string>
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#include <thread>
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#include <mutex>
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#ifdef add_wch
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inline void UNDEF(add_wch)(const cchar_t *character) { add_wch(character); }
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#undef add_wch
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#define add_wch UNDEF(add_wch)
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#endif
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#ifdef get_wch
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inline void UNDEF(get_wch)(wint_t *character) { get_wch(character); }
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#undef get_wch
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#define get_wch UNDEF(get_wch)
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#endif
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namespace krikkel::NCursesPtyWindow
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{
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class Window : public NCursesWindow
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{
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public:
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Window(std::mutex *writeToNCursesMutex, int lines, int columns, int y, int x);
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~Window();
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int getFdPtyClient() const;
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void writeToClient(const char * string, size_t length);
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void writeUnicodeCharToClient(wint_t character);
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void writeKeyToClient(VTermKey key);
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SingleUserInput readSingleUserInput();
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int add_wch(const cchar_t *character);
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int get_wch(wint_t *character);
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int refresh() override;
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int wresize(int rows, int cols);
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private:
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int fdPtyHost, fdPtyClient;
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struct termios terminalParameters;
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VTerm *pseudoTerminal;
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std::mutex writeToPseudoTerminalMutex;
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std::mutex *writeToNCursesMutex;
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VTermScreen *pseudoTerminalScreen;
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static VTermScreenCallbacks screenCallbacks;
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/// @todo one line is at most 4096 chars long
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static const uint16_t PTY_CLIENT_OUTPUT_BUFFER_SIZE = 2 * 4096;
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char ptyClientOutputBuffer[PTY_CLIENT_OUTPUT_BUFFER_SIZE];
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uint16_t cursorX, cursorY;
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std::thread readPtyClientThread;
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void readFromPtyClientThreadMethod();
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void readFromPtyClient();
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int handlerDamage(VTermRect rect);
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int handlerMoveRect(VTermRect dest, VTermRect src);
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int handlerMoveCursor(VTermPos pos, VTermPos oldpos, int visible);
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int handlerSetTermProp(VTermProp prop, VTermValue *val);
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int handlerBell();
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int handlerResize(int rows, int cols);
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int handlerPushLine(int cols, const VTermScreenCell *cells);
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int handlerPopLine(int cols, VTermScreenCell *cells);
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attr_t extractAttributesFromVTermCell(VTermScreenCell cell);
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short extractColorFromVTermCell(VTermScreenCell cell);
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void copyPtyCellToNCursesWindow(int x, int y);
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static int staticHandlerDamage(VTermRect rect, void *user);
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static int staticHandlerMoveRect(VTermRect dest, VTermRect src, void *user);
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static int staticHandlerMoveCursor(VTermPos pos, VTermPos oldpos, int visible, void *user);
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static int staticHandlerSetTermProp(VTermProp prop, VTermValue *val, void *user);
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static int staticHandlerBell(void *user);
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static int staticHandlerResize(int rows, int cols, void *user);
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static int staticHandlerPushLine(int cols, const VTermScreenCell *cells, void *user);
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static int staticHandlerPopLine(int cols, VTermScreenCell *cells, void *user);
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static void staticHandlerOutput(const char *s, size_t len, void *user);
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};
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}
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#endif // __WINDOW_H__
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