mirror of https://github.com/stella-emu/stella.git
138 lines
3.6 KiB
C++
138 lines
3.6 KiB
C++
//============================================================================
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//
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// SSSS tt lll lll
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// SS SS tt ll ll
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// SS tttttt eeee ll ll aaaa
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// SSSS tt ee ee ll ll aa
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// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
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// SS SS tt ee ll ll aa aa
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// SSSS ttt eeeee llll llll aaaaa
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//
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// Copyright (c) 1995-2016 by Bradford W. Mott, Stephen Anthony
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// and the Stella Team
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//
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// See the file "License.txt" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//
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// $Id$
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//============================================================================
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#ifndef PROMPT_WIDGET_HXX
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#define PROMPT_WIDGET_HXX
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#include <stdarg.h>
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class ScrollBarWidget;
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#include "Widget.hxx"
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#include "Command.hxx"
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#include "bspf.hxx"
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class PromptWidget : public Widget, public CommandSender
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{
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public:
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PromptWidget(GuiObject* boss, const GUI::Font& font,
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int x, int y, int w, int h);
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virtual ~PromptWidget() = default;
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public:
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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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void print(const string& str);
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void printPrompt();
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bool saveBuffer(string& filename);
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// Clear screen and erase all history
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void clearScreen();
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protected:
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int& buffer(int idx) { return _buffer[idx % kBufferSize]; }
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void drawWidget(bool hilite) override;
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void drawCaret();
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void putcharIntern(int c);
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// void insertIntoPrompt(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(StellaKey key);
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void nextLine();
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void killChar(int direction);
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void killLine(int direction);
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void killLastWord();
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// Clipboard
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void textSelectAll();
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void textCut();
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void textCopy();
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void textPaste();
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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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void handleMouseDown(int x, int y, int button, int clickCount) override;
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void handleMouseWheel(int x, int y, int direction) override;
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bool handleText(char text) override;
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bool handleKeyDown(StellaKey key, StellaMod mod) override;
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void handleCommand(CommandSender* sender, int cmd, int data, int id) override;
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// Account for the extra width of embedded scrollbar
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virtual int getWidth() const override;
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virtual bool wantsFocus() { return true; }
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void loadConfig() override;
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private:
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// Get the longest prefix (initially 's') that is in every string in the list
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string getCompletionPrefix(const StringList& completions, string s);
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private:
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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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int _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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ScrollBarWidget* _scrollBar;
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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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int _kConsoleCharWidth, _kConsoleCharHeight, _kConsoleLineHeight;
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bool _inverse;
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bool _makeDirty;
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bool _firstTime;
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bool _exitedEarly;
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// int compareHistory(const char *histLine);
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private:
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// Following constructors and assignment operators not supported
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PromptWidget() = delete;
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PromptWidget(const PromptWidget&) = delete;
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PromptWidget(PromptWidget&&) = delete;
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PromptWidget& operator=(const PromptWidget&) = delete;
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PromptWidget& operator=(PromptWidget&&) = delete;
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};
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#endif
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