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148 lines
3.4 KiB
C++
148 lines
3.4 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2002-2005 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $Header$
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*/
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#ifndef CONSOLE_DIALOG_H
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#define CONSOLE_DIALOG_H
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#include "gui/dialog.h"
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#include "gui/newgui.h"
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#include <stdarg.h>
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namespace GUI {
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enum {
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kBufferSize = 32768,
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kLineBufferSize = 256,
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kHistorySize = 20
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};
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class ScrollBarWidget;
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class ConsoleDialog : public Dialog {
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public:
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typedef bool (*InputCallbackProc)(ConsoleDialog *console, const char *input, void *refCon);
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typedef bool (*CompletionCallbackProc)(ConsoleDialog* console, const char *input, char*& completion, void *refCon);
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protected:
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Graphics::Surface _canvas;
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const Graphics::Font *_font;
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char _buffer[kBufferSize];
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int _linesInBuffer;
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int _lineWidth;
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int _linesPerPage;
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int _currentPos;
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int _scrollLine;
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int _firstLineInBuffer;
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int _promptStartPos;
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int _promptEndPos;
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bool _caretVisible;
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uint32 _caretTime;
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enum SlideMode {
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kNoSlideMode,
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kUpSlideMode,
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kDownSlideMode
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};
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SlideMode _slideMode;
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uint32 _slideTime;
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ScrollBarWidget *_scrollBar;
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// The _callbackProc is called whenver a data line is entered
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//
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InputCallbackProc _callbackProc;
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void *_callbackRefCon;
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// _completionCallbackProc is called when tab is pressed
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CompletionCallbackProc _completionCallbackProc;
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void *_completionCallbackRefCon;
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char _history[kHistorySize][kLineBufferSize];
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int _historySize;
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int _historyIndex;
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int _historyLine;
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float _widthPercent, _heightPercent;
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void slideUpAndClose();
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public:
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ConsoleDialog(float widthPercent, float heightPercent);
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void open();
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void close();
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void drawDialog();
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void handleTickle();
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void handleScreenChanged();
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void handleMouseWheel(int x, int y, int direction);
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void handleKeyDown(uint16 ascii, int keycode, int modifiers);
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void handleCommand(CommandSender *sender, uint32 cmd, uint32 data);
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int printf(const char *format, ...);
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int vprintf(const char *format, va_list argptr);
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#undef putchar
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void putchar(int c);
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void setInputCallback(InputCallbackProc proc, void *refCon) {
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_callbackProc = proc;
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_callbackRefCon = refCon;
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}
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void setCompletionCallback(CompletionCallbackProc proc, void *refCon) {
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_completionCallbackProc = proc;
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_completionCallbackRefCon = refCon;
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}
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protected:
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inline char &buffer(int idx) {
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return _buffer[idx % kBufferSize];
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}
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void drawCaret(bool erase);
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void putcharIntern(int c);
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void insertIntoPrompt(const char *str);
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void print(const char *str);
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void updateScrollBuffer();
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void scrollToCurrent();
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// Line editing
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void specialKeys(int keycode);
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void nextLine();
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void killChar();
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void killLine();
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void killLastWord();
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// History
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void addToHistory(const char *str);
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void historyScroll(int direction);
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};
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} // End of namespace GUI
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#endif
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