diff options
Diffstat (limited to 'gui/console.cpp')
| -rw-r--r-- | gui/console.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/gui/console.cpp b/gui/console.cpp new file mode 100644 index 0000000000..872496f269 --- /dev/null +++ b/gui/console.cpp @@ -0,0 +1,121 @@ +/* ScummVM - Scumm Interpreter + * Copyright (C) 2002 The ScummVM project + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * $Header$ + */ + +#include "stdafx.h" +#include "console.h" +#include "newgui.h" + +#include "common/engine.h" + +/* + + _ _ _ _ _ _ +| | | |_ __ __| | ___ _ __ ___ ___ _ __ ___| |_ _ __ _ _ ___| |_(_) ___ _ __ +| | | | '_ \ / _` |/ _ \ '__| / __/ _ \| '_ \/ __| __| '__| | | |/ __| __| |/ _ \| '_ \ +| |_| | | | | (_| | __/ | | (_| (_) | | | \__ \ |_| | | |_| | (__| |_| | (_) | | | | + \___/|_| |_|\__,_|\___|_| \___\___/|_| |_|___/\__|_| \__,_|\___|\__|_|\___/|_| |_| + +This code is not finished, so please don't complain :-) + +*/ + +/* TODO: + * - it is very inefficient to redraw the full thingy when just one char is added/removed. + * Instead, we could just copy the GFX of the blank console (i.e. after the transparent + * background is drawn, before any text is drawn). Then using that, it becomes trivial + * to erase a single character, do scrolling etc. + * - add a scrollbar widget to allow scrolling in the history + * - a *lot* of others things, this code is in no way complete and heavily under progress + */ +ConsoleDialog::ConsoleDialog(NewGui *gui) + : Dialog(gui, 5, 0, 320-2*5, 5*kLineHeight+2) +{ + _lineWidth = (_w - 2) / kCharWidth; + _linesPerPage = (_h - 2) / kLineHeight; + + memset(_buffer, ' ', kBufferSize); + _linesInBuffer = kBufferSize / _lineWidth; + + _currentColumn = 0; + _currentLine = 0; + _scrollLine = 0; +} + +void ConsoleDialog::drawDialog() +{ + _gui->blendRect(_x, _y, _w, _h, _gui->_bgcolor); + + // Draw a border (might want to use different colors :-) + _gui->vline(_x, _y, _y+_h-1, _gui->_textcolorhi); + _gui->hline(_x, _y+_h-1, _x+_w-1, _gui->_textcolor); + _gui->vline(_x+_w-1, _y, _y+_h-1, _gui->_textcolor); + + // Draw text + int start = _scrollLine - _linesPerPage + 1; + int y = _y + 1; + for (int line = 0; line < _linesPerPage; line++) { + int x = _x + 1; + for (int column = 0; column < _lineWidth; column++) { + int l = (start+line+_linesInBuffer) % _linesInBuffer; + byte c = _buffer[l * _lineWidth + column]; + _gui->drawChar(c, x, y, _gui->_textcolor); + x += kCharWidth; + } + y += kLineHeight; + } + + _gui->addDirtyRect(_x, _y, _w, _h); +} + +void ConsoleDialog::nextLine() +{ + _currentColumn = 0; + if (_currentLine == _scrollLine) + _scrollLine = (_scrollLine + 1) % _linesInBuffer; + _currentLine = (_currentLine + 1) % _linesInBuffer; +} + +void ConsoleDialog::handleKeyDown(uint16 ascii, int keycode, int modifiers) { + if (ascii == '~' || (keycode == 27) || ascii == '#') { // Total abort on tilde or escape + close(); + } else if (ascii == '\r' || ascii == '\n') { // Run command on enter/newline + nextLine(); + draw(); + } else if (keycode == 8) { // Backspace + if (_currentColumn == 0) { + _currentColumn = _lineWidth - 1; + _currentLine--; + if (_currentLine < 0) + _currentLine = _linesInBuffer - 1; + } else + _currentColumn--; + _buffer[_currentLine * _lineWidth + _currentColumn] = ' '; + draw(); // FIXME - not nice to redraw the full console just for one char! + } else if ((ascii >= 31) && (ascii <= 122)) { // Printable ASCII, add to string + _buffer[_currentLine * _lineWidth + _currentColumn] = (char)ascii; + _currentColumn++; + if (_currentColumn >= _lineWidth) { + nextLine(); + } + draw(); // FIXME - not nice to redraw the full console just for one char! + } else { + debug(2, "Unhandled keycode from ConsoleDialog: %d\n", keycode); + } +} |