📄 console.cpp
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// vi:ts=4:shiftwidth=4:expandtab/*************************************************************************** console.cpp - description ------------------- begin : Sun Mar 18 2001 copyright : (C) 2001 by ejoy email : ejoy@users.sourceforge.net ***************************************************************************//*************************************************************************** * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * ***************************************************************************/#include <cassert>#include "debug.h"#include <unistd.h>#include <string.h>#include <algorithm>#include "console.h"int Console::mColorTable[16] ={ 0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15 };Console::Console(int x1, int y1, int x2, int y2):Window(x1, y1, x2, y2, WS_DEF), // set window console pointermHistMode(false),mDefColor(0x07),mUlColor(0x0f),mHalfColor(0x08),mEscState(NORMAL){ mConMaxCols = mMaxCols; mConMaxRows = mMaxRows; mConEndCol = mEndCol; mConEndRow = mEndRow; int size = mMaxCols * mMaxRows; mpSavTextBuf = new char[size]; mpSavAttrBuf = new char[size]; mpSavFlagBuf = new char[size]; Reset(); Show(); CursorShow(); size = mMaxCols * HISTORY_LINES; mpHistText = new char[size]; mpHistAttr = new char[size]; mpHistFlag = new char[size]; memset(mpHistText, ' ', size); memset(mpHistAttr, mAttr, size); memset(mpHistFlag, txtASCII | txtUpdated, size); mHistCurRow = 0; mMouseMask = 0x77; // 0x80 when mono mMouseIdx = -1; mSelStart = -1; // cleared by clear_selection mpSelBuf = NULL;}Console::~Console() { delete[] mpHistText; delete[] mpHistAttr; delete[] mpHistFlag; delete[] mpSavTextBuf; delete[] mpSavAttrBuf; delete[] mpSavFlagBuf; delete[] mpSelBuf;}/** handle ansi esc command */void Console::DoEscape(char c) { if (mEscIntro == '\0') { //ESC seen switch (c) { case 'D': Lf(); break; case 'E': Cr(); Lf(); break; case 'H': // Set Tab <ESC>H mTabStop[Row() >> 5] |= (1 << (Row() & 31)); break; case 'M': // Reverse Index,Scroll Up case 'T': // FreeBSD, cons25 if (Row() == mScrollStart) ScrollScr(DOWN); else if (Row()) ConGoto(Col(), Row() - 1); mNeedWrap = false; break; case 'c': Reset(); // Redraw(); // why need? called by write break; case '>': assert(!">"); break; case '=': assert(!"="); break; case '7': // Save Cursor & Attrs <ESC>7 SaveCursor(); break; case '8': // Restore Cursor & Attrs <ESC>8 UnSaveCursor(); break; default: break; } } else if (mEscIntro == '[') { //ESC [ seen int num; //param count num = mpEscParam - mEscParam + 1; switch (c) { case 'A': // Restore Cursor & Attrs <ESC>8 if (!mEscParam[0]) mEscParam[0]++; ConGoto(Col(), Row() - mEscParam[0]); break; case 'B': // Cursor Down <ESC>[{COUNT}B case 'e': if (!mEscParam[0]) mEscParam[0]++; ConGoto(Col(), Row() + mEscParam[0]); break; case 'C': // Cursor Forward <ESC>[{COUNT}C case 'a': if (!mEscParam[0]) mEscParam[0]++; ConGoto(Col() + mEscParam[0], Row()); break; case 'D': // Cursor Backward <ESC>[{COUNT}D if (!mEscParam[0]) mEscParam[0]++; ConGoto(Col() - mEscParam[0], Row()); break; case 'E': if (!mEscParam[0]) mEscParam[0]++; ConGoto(0, Row() + mEscParam[0]); break; case 'F': if (!mEscParam[0]) mEscParam[0]++; ConGoto(0, Row() - mEscParam[0]); break; case 'G': // Cursor Horizontal Absolute case '`': if (mEscParam[0]) mEscParam[0]--; ConGoto(mEscParam[0], Row()); break; case 'H': // ESC [m;nH moves cursor to (m,n) case 'f': if (mEscParam[0]) mEscParam[0]--; if (mEscParam[1]) mEscParam[1]--; AbsGoto(mEscParam[1], mEscParam[0]); break; case 'J': // ESC [sJ clears in display switch (mEscParam[0]) { case 0: // clear from cursor to end of screen Clear(Col(), Row(), mConEndCol, Row(), mAttr); if (Row() < mConEndRow) Clear(0, Row() + 1, mConEndCol, mConEndRow, mAttr); break; case 1: // clear from start to cursor Clear(0, Row(), Col(), Row(), mAttr); if (Row() > 0) Clear(0, 0, mConEndCol, Row() - 1, mAttr); break; case 2: // clear whole screen Clear(0, 0, mConEndCol, mConEndRow, mAttr); break; default: // do nothing break; } mNeedWrap = false; break; case 'K': // ESC [sK clears lines from cursor switch (mEscParam[0]) { case 0: // clear from cursor to end of line Clear(Col(), Row(), mConEndCol, Row(), mAttr); break; case 1: // clear from beinning of line to cursor Clear(0, Row(), Col(), Row(), mAttr); break; case 2: // clear whole line Clear(0, Row(), mConEndCol, Row(), mAttr); break; default: // do nothing break; } mNeedWrap = false; break; case 'L': // ESC [nL inserts n lines at cursor InsertLine(mEscParam[0]); break; case 'M': // ESC [nM deletes n lines at cursor DeleteLine(mEscParam[0]); break; case 'P': // ESC [nP deletes n chars at cursor DeleteChar(mEscParam[0]); break; case 'X': { int n = mEscParam[0]; if (!n) n++; Clear(Col(), Row(), Col() + n > mConEndCol ? mConEndCol : Col() + n, Row(), mAttr); mNeedWrap = false; } break; case '@': // ESC [n@ insert n chars at cursor InsertBlank(mEscParam[0]); break; case ']': assert(!"]"); break; case 'c': if (mEscQuestion) { if (mEscParam[0]) SetCursorType(mEscParam[0] | (mEscParam[1]<<8) | (mEscParam[2]<<16)); else SetCursorType(CUR_DEFAULT); } break; case 'd': if (mEscParam[0]) mEscParam[0]--; AbsGoto(Col(), mEscParam[0]); break; case 'g': // Clear Tab <ESC>[{3}g if (num == 0) mTabStop[Col() >> 5] &= ~(1 << (Col() & 31)); else if (mEscParam[0] == 3) fill_n(mTabStop, 5, 0); break; case 'h': SetMode(true); break; case 'l': SetMode(false); break; case 'm': // ESC [nm set attribute for (int i = 0; i < num; i++) { int value = mEscParam[i]; switch (value) { case 0: DefaultAttr(); break; case 1: mIntensity = 2; break; case 2: mIntensity = 0; break; case 4: // underline mUnderline = true; break; case 5: // blinking mBlink = true; break; case 7: // reverse mReverse = true; break; case 8: // hidden break; case 10: /* ANSI X3.64-1979 (SCO-ish?) * Select primary font, don't display * control chars if defined, don't set * bit 8 on output. */ mCharSet = PRIMARY; break; case 11: /* ANSI X3.64-1979 (SCO-ish?) * Select first alternate font, lets * chars < 32 be displayed as ROM chars. */ mCharSet = ALT1; break; case 12: /* ANSI X3.64-1979 (SCO-ish?) * Select second alternate font, toggle * high bit before displaying as ROM char. */ mCharSet = ALT2; break; case 21: case 22: mIntensity = 1; case 24: mUnderline = false; break; case 25: mBlink = false; break; case 27: mReverse = false; break; case 38: /* ANSI X3.64-1979 (SCO-ish?) * Enables underscore, white foreground * with white underscore (Linux - use * default foreground). */ mColor = BuildColor(FgColor(mDefColor),BgColor(mColor)); mUnderline = true; break; case 39: /* ANSI X3.64-1979 (SCO-ish?) * Disable underline option. * Reset colour to default? It did this * before... */ mColor = BuildColor(FgColor(mDefColor),BgColor(mColor)); mUnderline = false; break; case 49: mColor = BuildColor(FgColor(mColor),BgColor(mDefColor)); break; default: //color if (value >= 30 && value <= 37) mColor = BuildColor(mColorTable[(value - 30)], BgColor(mColor)); else if (value >= 40 && value <= 47) mColor = BuildColor(FgColor(mColor), mColorTable[(value - 40)]); else { //what to do? } break; }//switch }//for UpdateAttr(); break; case 'n': // not implemented assert(!"n"); break; case 'p': // Define Key assert(!"Define Key not implemented yet!"); break; case 'q': assert(!"esc q"); break; case 'r': // set scrolling range if (!mEscParam[0]) mEscParam[0]++; if (!mEscParam[1]) mEscParam[1] = mConMaxRows; /* Minimum allowed region is 2 lines */ if (mEscParam[0] < mEscParam[1] && mEscParam[1] <= mConMaxRows) { mScrollStart = mEscParam[0] - 1; mScrollEnd = mEscParam[1]; AbsGoto(0, 0); } break; case 's': // Save Cursor <ESC>[s SaveCursor(); break; case 'u': // Unsave Cursor <ESC>[u UnSaveCursor(); } //switch } else if (mEscIntro == ']') { //unfinished } mEscState = NORMAL;}void Console::ParseEscape(char c) { switch (mEscState) { case ESC: mEscIntro = '\0'; //ESC seen mEscQuestion = false; mpEscParam = mEscParam; for (int i = 0; i < MAX_ESC_PARAMS; i++) mEscParam[i] = 0; switch (c) { case '#': // DEC obsolete hacks //anyone want to implement them? break; case '[': //control sequence introducer mEscIntro = c; mEscState = SQUARE; break; case ']': mEscIntro = c; mEscState = NONSTD; break; case '%': // unfinished break; case '(': //Char Set G0 case ')': //Char Set G1 //unfinished //charset change not implemented break; default: DoEscape(c); } //swicth break; case SQUARE: //ESC [ seen if (c == '?') mEscQuestion = true; else if (c >= '0' && c <= '9') { if (mpEscParam < mEscParam + MAX_ESC_PARAMS) *mpEscParam = *mpEscParam * 10 + (c - '0'); }⌨️ 快捷键说明
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