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term.cpp File Reference
#include <_xeneva.h>
#include <sys/_keproc.h>
#include <sys/_kefile.h>
#include <sys/iocodes.h>
#include <ctype.h>
#include <chitralekha.h>
#include <widgets/window.h>
#include <keycode.h>
#include "term.h"
#include "arrayfont.h"
#include <sys/mman.h>
#include "esccode.h"
#include <sys/_ketty.h>
#include <sys/_ketime.h>
#include <signal.h>
#include <sys/time.h>
#include <unistd.h>
#include <time.h>
Include dependency graph for term.cpp:

Macros

#define TERMINAL_BLACK   0xCC373434
 
#define TERMINAL_BLACK_SOLID   0xFF373434
 
#define TERMINAL_GLASS_ALPHA   0xC8
 
#define TERMINAL_CLIP_MAX   4096
 
#define TERMINAL_SCANCODE_RELEASE   0x80
 
#define TERMINAL_SCANCODE_MASK   0x7f
 
#define TERMINAL_SCANCODE_UP   0x48
 
#define TERMINAL_SCANCODE_LEFT   0x4b
 
#define TERMINAL_SCANCODE_RIGHT   0x4d
 
#define TERMINAL_SCANCODE_PGUP   0x49
 
#define TERMINAL_SCANCODE_PGDN   0x51
 

Functions

void TerminalDrawCell (Terminal *t, int col, int row)
 
void TerminalDrawArrayFont (ChCanvas *canv, unsigned x, unsigned y, unsigned char c, uint32_t color)
 
void TerminalPutChar (Terminal *t, char ch, uint32_t bg, uint32_t fg)
 
void TerminalSetCellData (Terminal *t, int row, int col, char ch, uint32_t bg, uint32_t fg)
 
void TerminalFlush (Terminal *t)
 
void TerminalDrawAllCells ()
 
void TerminalDrawCursor ()
 
void TerminalViewScroll (Terminal *t, int delta)
 
void TerminalScroll (Terminal *t, int lines)
 
void TerminalClearScreen (Terminal *t)
 
void TerminalClearLine (Terminal *t)
 
void TerminalClearLineToCursor (Terminal *t)
 
void TerminalClearLineFromCursor (Terminal *t)
 
void TerminalPrintChar (Terminal *t, char c, uint32_t fgcolor, uint32_t bgcolor)
 
void TerminalPrintString (Terminal *t, char *string, uint32_t fgcolor, uint32_t bgcolor)
 
void TerminalReplaceInput (Terminal *t, const char *newText)
 
void TerminalHistoryPush (Terminal *t, const char *cmd)
 
void TerminalHistoryUp (Terminal *t)
 
void TerminalHistoryDown (Terminal *t)
 
void TerminalApplySGR (int code)
 
void ProcessControlSequence (Terminal *term_, char ch)
 
void ProcessOSCSequence (Terminal *t, const char *payload)
 
void TerminalProcessLine (Terminal *t, char ch)
 
void TerminalHandleMouseClick (Terminal *t, int mouseX, int mouseY, int button)
 
void TerminalHandleMessage (PostEvent *e)
 
void TerminalThread ()
 
int main (int argc, char *arv[])
 

Variables

ChWindow * win
 
ChitralekhaApp * app
 
ChFont * consolas
 
int master_fd
 
int slave_fd
 
Terminal term
 
bool dirty = false
 
bool _escape_seq = false
 
bool _seq_csi = false
 
bool _seq_osc = false
 
bool _cursor_blink = 0
 
bool _update_terminal_ = false
 
bool _first_time = false
 
uint32_t backColor
 
uint32_t fgColor
 
char * escBuf
 
char oscBuf [64]
 
int oscLen
 
int shell_id
 

Macro Definition Documentation

◆ TERMINAL_BLACK

#define TERMINAL_BLACK   0xCC373434

◆ TERMINAL_BLACK_SOLID

#define TERMINAL_BLACK_SOLID   0xFF373434

◆ TERMINAL_CLIP_MAX

#define TERMINAL_CLIP_MAX   4096

◆ TERMINAL_GLASS_ALPHA

#define TERMINAL_GLASS_ALPHA   0xC8

◆ TERMINAL_SCANCODE_LEFT

#define TERMINAL_SCANCODE_LEFT   0x4b

◆ TERMINAL_SCANCODE_MASK

#define TERMINAL_SCANCODE_MASK   0x7f

◆ TERMINAL_SCANCODE_PGDN

#define TERMINAL_SCANCODE_PGDN   0x51

◆ TERMINAL_SCANCODE_PGUP

#define TERMINAL_SCANCODE_PGUP   0x49

◆ TERMINAL_SCANCODE_RELEASE

#define TERMINAL_SCANCODE_RELEASE   0x80

◆ TERMINAL_SCANCODE_RIGHT

#define TERMINAL_SCANCODE_RIGHT   0x4d

◆ TERMINAL_SCANCODE_UP

#define TERMINAL_SCANCODE_UP   0x48

Function Documentation

◆ main()

int main ( int  argc,
char *  arv[] 
)

◆ ProcessControlSequence()

void ProcessControlSequence ( Terminal *  term_,
char  ch 
)

◆ ProcessOSCSequence()

void ProcessOSCSequence ( Terminal *  t,
const char *  payload 
)

◆ TerminalApplySGR()

void TerminalApplySGR ( int  code)

◆ TerminalClearLine()

void TerminalClearLine ( Terminal *  t)

◆ TerminalClearLineFromCursor()

void TerminalClearLineFromCursor ( Terminal *  t)

◆ TerminalClearLineToCursor()

void TerminalClearLineToCursor ( Terminal *  t)

◆ TerminalClearScreen()

void TerminalClearScreen ( Terminal *  t)

◆ TerminalDrawAllCells()

void TerminalDrawAllCells ( )

◆ TerminalDrawArrayFont()

void TerminalDrawArrayFont ( ChCanvas *  canv,
unsigned  x,
unsigned  y,
unsigned char  c,
uint32_t  color 
)

◆ TerminalDrawCell()

void TerminalDrawCell ( Terminal *  t,
int  col,
int  row 
)

◆ TerminalDrawCursor()

void TerminalDrawCursor ( )

◆ TerminalFlush()

void TerminalFlush ( Terminal *  t)

◆ TerminalHandleMessage()

void TerminalHandleMessage ( PostEvent *  e)

check from extended key code map (scancode 0x48: Up / keypad 8)

chec from extended key code map

if (rawkey == KEY_KP_2) { TerminalHistoryDown(&term); memset(e, 0, sizeof(PostEvent)); return; }

CTRL + SHIFT + C/V – the host<->VM clipboard, on the same /dev/clipboard node the tty shell uses, so a copy here reaches the host and a paste here reads whatever the host last copied. Shift has to be part of the binding: on its own Ctrl+C is SIGINT, which is what people already use below. Only Ctrl+X and Ctrl+A are taken by the compositor's own keybinds, so this arrives as a raw scancode. ChitralekhaKeyToASCII uppercases while shift is held, hence both letters are matched.

handle CTRL + combined keys

◆ TerminalHandleMouseClick()

void TerminalHandleMouseClick ( Terminal *  t,
int  mouseX,
int  mouseY,
int  button 
)

skip the titlebar

◆ TerminalHistoryDown()

void TerminalHistoryDown ( Terminal *  t)

◆ TerminalHistoryPush()

void TerminalHistoryPush ( Terminal *  t,
const char *  cmd 
)

◆ TerminalHistoryUp()

void TerminalHistoryUp ( Terminal *  t)

◆ TerminalPrintChar()

void TerminalPrintChar ( Terminal *  t,
char  c,
uint32_t  fgcolor,
uint32_t  bgcolor 
)

◆ TerminalPrintString()

void TerminalPrintString ( Terminal *  t,
char *  string,
uint32_t  fgcolor,
uint32_t  bgcolor 
)

◆ TerminalProcessLine()

void TerminalProcessLine ( Terminal *  t,
char  ch 
)

◆ TerminalPutChar()

void TerminalPutChar ( Terminal *  t,
char  ch,
uint32_t  bg,
uint32_t  fg 
)

◆ TerminalReplaceInput()

void TerminalReplaceInput ( Terminal *  t,
const char *  newText 
)

drain the last character passed to slave buffer

◆ TerminalScroll()

void TerminalScroll ( Terminal *  t,
int  lines 
)

◆ TerminalSetCellData()

void TerminalSetCellData ( Terminal *  t,
int  row,
int  col,
char  ch,
uint32_t  bg,
uint32_t  fg 
)

◆ TerminalThread()

void TerminalThread ( )

◆ TerminalViewScroll()

void TerminalViewScroll ( Terminal *  t,
int  delta 
)

Variable Documentation

◆ _cursor_blink

bool _cursor_blink = 0

◆ _escape_seq

bool _escape_seq = false

◆ _first_time

bool _first_time = false

◆ _seq_csi

bool _seq_csi = false

◆ _seq_osc

bool _seq_osc = false

◆ _update_terminal_

bool _update_terminal_ = false

◆ app

ChitralekhaApp* app

◆ backColor

uint32_t backColor

◆ consolas

ChFont* consolas

◆ dirty

bool dirty = false

◆ escBuf

char* escBuf

◆ fgColor

uint32_t fgColor

◆ master_fd

int master_fd

◆ oscBuf

char oscBuf[64]

◆ oscLen

int oscLen

◆ shell_id

int shell_id

◆ slave_fd

int slave_fd

◆ term

Terminal term

◆ win

ChWindow* win

BSD 2-Clause License

Copyright (c) 2022-2023, Manas Kamal Choudhury All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
  2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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