353 lines
10 KiB
C++
353 lines
10 KiB
C++
/*
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AppleWin : An Apple //e emulator for Windows
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Copyright (C) 1994-1996, Michael O'Brien
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Copyright (C) 1999-2001, Oliver Schmidt
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Copyright (C) 2002-2005, Tom Charlesworth
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Copyright (C) 2006, Tom Charlesworth, Michael Pohoreski
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AppleWin is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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AppleWin is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with AppleWin; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* Description: Debugger
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*
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* Author: Copyright (C) 2006, Michael Pohoreski
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*/
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#include "StdAfx.h"
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#pragma hdrstop
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// Console ________________________________________________________________________________________
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// See ConsoleInputReset() for why the console input
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// is tied to the zero'th output of g_aConsoleDisplay
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// and not using a seperate var: g_aConsoleInput[ CONSOLE_WIDTH ];
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//
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// : g_aConsoleBuffer[4] | ^ g_aConsoleDisplay[5] :
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// : g_aConsoleBuffer[3] | | g_aConsoleDisplay[4] <- g_nConsoleDisplayTotal
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// g_nConsoleBuffer -> g_aConsoleBuffer[2] | | g_aConsoleDisplay[3] :
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// : g_aConsoleBuffer[1] v | g_aConsoleDisplay[2] :
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// . g_aConsoleBuffer[0] -----> | g_aConsoleDisplay[1] .
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// |
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// g_aBufferedInput[0] -----> ConsoleInput ----> | g_aConsoleDisplay[0]
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// g_aBufferedInput[1] ^
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// g_aBufferedInput[2] |
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// g_aBufferedInput[3] |
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// Buffer
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bool g_bConsoleBufferPaused = false; // buffered output is waiting for user to continue
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int g_nConsoleBuffer = 0;
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TCHAR g_aConsoleBuffer[ CONSOLE_HEIGHT ][ CONSOLE_WIDTH ]; // TODO: stl::vector< line_t >
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// Display
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TCHAR g_aConsolePrompt[] = TEXT(">!"); // input, assembler // NUM_PROMPTS
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TCHAR g_sConsolePrompt[] = TEXT(">"); // No, NOT Integer Basic! The nostalgic '*' "Monitor" doesn't look as good, IMHO. :-(
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bool g_bConsoleFullWidth = false;
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int g_iConsoleDisplayStart = 0; // to allow scrolling
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int g_nConsoleDisplayTotal = 0; // number of lines added to console
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int g_nConsoleDisplayHeight = 0;
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int g_nConsoleDisplayWidth = 0;
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TCHAR g_aConsoleDisplay[ CONSOLE_HEIGHT ][ CONSOLE_WIDTH ];
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// Input History
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int g_nHistoryLinesStart = 0;
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int g_nHistoryLinesTotal = 0; // number of commands entered
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TCHAR g_aHistoryLines[ CONSOLE_HEIGHT ][ CONSOLE_WIDTH ] = {TEXT("")};
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// Input Line
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// Raw input Line (has prompt)
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TCHAR * const g_aConsoleInput = g_aConsoleDisplay[0];
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// Cooked input line (no prompt)
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int g_nConsoleInputChars = 0;
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TCHAR * g_pConsoleInput = 0; // points to past prompt
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const TCHAR * g_pConsoleFirstArg = 0; // points to first arg
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bool g_bConsoleInputQuoted = false; // Allows lower-case to be entered
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bool g_bConsoleInputSkip = false;
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// Prototypes _______________________________________________________________
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// Console ________________________________________________________________________________________
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//===========================================================================
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LPCSTR ConsoleBufferPeek()
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{
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return g_aConsoleBuffer[ 0 ];
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}
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// Add string to buffered output
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// Shifts the buffered console output lines "Up"
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//===========================================================================
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bool ConsoleBufferPush( const TCHAR * pString ) // LPCSTR
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{
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if (g_nConsoleBuffer < CONSOLE_HEIGHT)
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{
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int nLen = _tcslen( pString );
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if (nLen < g_nConsoleDisplayWidth)
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{
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_tcscpy( g_aConsoleBuffer[ g_nConsoleBuffer ], pString );
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g_nConsoleBuffer++;
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return true;
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}
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else
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{
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#if _DEBUG
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// TCHAR sText[ CONSOLE_WIDTH * 2 ];
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// sprintf( sText, "ConsoleBufferPush(pString) > g_nConsoleDisplayWidth: %d", g_nConsoleDisplayWidth );
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// MessageBox( framewindow, sText, "Warning", MB_OK );
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#endif
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// push multiple lines
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while ((nLen >= g_nConsoleDisplayWidth) && (g_nConsoleBuffer < CONSOLE_HEIGHT))
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{
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// _tcsncpy( g_aConsoleBuffer[ g_nConsoleBuffer ], pString, (g_nConsoleDisplayWidth-1) );
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// pString += g_nConsoleDisplayWidth;
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_tcsncpy( g_aConsoleBuffer[ g_nConsoleBuffer ], pString, (CONSOLE_WIDTH-1) );
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pString += (CONSOLE_WIDTH-1);
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g_nConsoleBuffer++;
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nLen = _tcslen( pString );
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}
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return true;
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}
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}
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// TODO: Warning: Too much output.
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return false;
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}
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// Shifts the buffered console output "down"
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//===========================================================================
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void ConsoleBufferPop()
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{
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int y = 0;
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while (y < g_nConsoleBuffer)
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{
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_tcscpy( g_aConsoleBuffer[ y ], g_aConsoleBuffer[ y+1 ] );
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y++;
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}
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g_nConsoleBuffer--;
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if (g_nConsoleBuffer < 0)
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g_nConsoleBuffer = 0;
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}
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// Remove string from buffered output
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//===========================================================================
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void ConsoleBufferToDisplay()
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{
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ConsoleDisplayPush( ConsoleBufferPeek() );
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ConsoleBufferPop();
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}
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//===========================================================================
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Update_t ConsoleDisplayError (LPCTSTR pText)
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{
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ConsoleBufferPush( pText );
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return ConsoleUpdate();
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}
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// ConsoleDisplayPush()
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// Shifts the console display lines "up"
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//===========================================================================
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void ConsoleDisplayPush( LPCSTR pText )
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{
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int nLen = MIN( g_nConsoleDisplayTotal, CONSOLE_HEIGHT - 1 - CONSOLE_FIRST_LINE);
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while (nLen--)
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{
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_tcsncpy(
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g_aConsoleDisplay[(nLen + 1 + CONSOLE_FIRST_LINE )],
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g_aConsoleDisplay[nLen + CONSOLE_FIRST_LINE],
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CONSOLE_WIDTH );
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}
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if (pText)
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_tcsncpy( g_aConsoleDisplay[ CONSOLE_FIRST_LINE ], pText, CONSOLE_WIDTH );
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g_nConsoleDisplayTotal++;
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if (g_nConsoleDisplayTotal > (CONSOLE_HEIGHT - CONSOLE_FIRST_LINE))
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g_nConsoleDisplayTotal = (CONSOLE_HEIGHT - CONSOLE_FIRST_LINE);
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}
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//===========================================================================
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void ConsoleDisplayPause()
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{
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if (g_nConsoleBuffer)
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{
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_tcscpy( g_pConsoleInput, TEXT("...press SPACE continue, ESC skip..." ) );
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g_bConsoleBufferPaused = true;
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}
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else
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{
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ConsoleInputReset();
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}
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}
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//===========================================================================
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bool ConsoleInputBackSpace()
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{
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if (g_nConsoleInputChars)
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{
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g_nConsoleInputChars--;
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if (g_pConsoleInput[ g_nConsoleInputChars ] == TEXT('"'))
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g_bConsoleInputQuoted = ! g_bConsoleInputQuoted;
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g_pConsoleInput[ g_nConsoleInputChars ] = 0;
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return true;
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}
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return false;
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}
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//===========================================================================
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bool ConsoleInputClear()
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{
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if (g_nConsoleInputChars)
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{
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ZeroMemory( g_pConsoleInput, g_nConsoleDisplayWidth );
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g_nConsoleInputChars = 0;
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return true;
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}
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return false;
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}
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//===========================================================================
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bool ConsoleInputChar( TCHAR ch )
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{
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if (g_nConsoleInputChars < g_nConsoleDisplayWidth) // bug? include prompt?
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{
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g_pConsoleInput[ g_nConsoleInputChars ] = ch;
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g_nConsoleInputChars++;
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return true;
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}
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return false;
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}
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//===========================================================================
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LPCSTR ConsoleInputPeek()
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{
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return g_aConsoleDisplay[0];
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}
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//===========================================================================
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void ConsoleInputReset ()
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{
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// Not using g_aConsoleInput since we get drawing of the input Line for "Free"
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// Even if we add console scrolling, we don't need any special logic to draw the input line.
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g_bConsoleInputQuoted = false;
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ZeroMemory( g_aConsoleInput, CONSOLE_WIDTH );
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_tcscpy( g_aConsoleInput, g_sConsolePrompt ); // Assembler can change prompt
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_tcscat( g_aConsoleInput, TEXT(" " ) );
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int nLen = _tcslen( g_aConsoleInput );
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g_pConsoleInput = &g_aConsoleInput[nLen];
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g_nConsoleInputChars = 0;
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}
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//===========================================================================
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int ConsoleInputTabCompletion ()
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{
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return UPDATE_CONSOLE_INPUT;
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}
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//===========================================================================
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Update_t ConsoleScrollHome ()
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{
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g_iConsoleDisplayStart = g_nConsoleDisplayTotal - CONSOLE_FIRST_LINE;
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if (g_iConsoleDisplayStart < 0)
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g_iConsoleDisplayStart = 0;
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return UPDATE_CONSOLE_DISPLAY;
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}
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//===========================================================================
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Update_t ConsoleScrollEnd ()
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{
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g_iConsoleDisplayStart = 0;
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return UPDATE_CONSOLE_DISPLAY;
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}
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//===========================================================================
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Update_t ConsoleScrollUp ( int nLines )
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{
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g_iConsoleDisplayStart += nLines;
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if (g_iConsoleDisplayStart > (g_nConsoleDisplayTotal - CONSOLE_FIRST_LINE))
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g_iConsoleDisplayStart = (g_nConsoleDisplayTotal - CONSOLE_FIRST_LINE);
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if (g_iConsoleDisplayStart < 0)
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g_iConsoleDisplayStart = 0;
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return UPDATE_CONSOLE_DISPLAY;
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}
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//===========================================================================
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Update_t ConsoleScrollDn ( int nLines )
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{
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g_iConsoleDisplayStart -= nLines;
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if (g_iConsoleDisplayStart < 0)
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g_iConsoleDisplayStart = 0;
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return UPDATE_CONSOLE_DISPLAY;
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}
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//===========================================================================
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Update_t ConsoleScrollPageUp ()
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{
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ConsoleScrollUp( g_nConsoleDisplayHeight - CONSOLE_FIRST_LINE );
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return UPDATE_CONSOLE_DISPLAY;
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}
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//===========================================================================
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Update_t ConsoleScrollPageDn()
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{
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ConsoleScrollDn( g_nConsoleDisplayHeight - CONSOLE_FIRST_LINE );
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return UPDATE_CONSOLE_DISPLAY;
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}
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//===========================================================================
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void ConsoleBufferTryUnpause (int nLines)
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{
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for( int y = 0; y < nLines; y++ )
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{
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ConsoleBufferToDisplay();
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}
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g_bConsoleBufferPaused = false;
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if (g_nConsoleBuffer)
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{
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g_bConsoleBufferPaused = true;
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ConsoleDisplayPause();
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}
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}
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//===========================================================================
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Update_t ConsoleUpdate()
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{
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if (! g_bConsoleBufferPaused)
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{
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int nLines = MIN( g_nConsoleBuffer, g_nConsoleDisplayHeight - 1);
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ConsoleBufferTryUnpause( nLines );
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}
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return UPDATE_CONSOLE_DISPLAY;
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}
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