/* ScummVM - Graphic Adventure Engine * * ScummVM is the legal property of its developers, whose names * are too numerous to list here. Please refer to the COPYRIGHT * file distributed with this source distribution. * * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * */ #ifndef GLK_WINDOW_TEXT_BUFFER_H #define GLK_WINDOW_TEXT_BUFFER_H #include "glk/windows.h" #include "glk/picture.h" #include "glk/speech.h" #include "glk/conf.h" #include "common/array.h" #include "common/ustr.h" namespace Glk { /** * Text Buffer window */ class TextBufferWindow : public TextWindow, Speech { /** * Structure for a row within the window */ struct TextBufferRow { uint32 _chars[TBLINELEN]; Attributes _attrs[TBLINELEN]; int _len, _newLine; bool _dirty, _repaint; Picture *_lPic, *_rPic; uint _lHyper, _rHyper; int _lm, _rm; /** * Constructor */ TextBufferRow(); }; typedef Common::Array<TextBufferRow> TextBufferRows; private: PropFontInfo &_font; private: void reflow(); void touchScroll(); bool putPicture(Picture *pic, uint align, uint linkval); /** * @remarks Only for input text */ void putText(const char *buf, int len, int pos, int oldlen); /** * @remarks Only for input text */ void putTextUni(const uint32 *buf, int len, int pos, int oldlen); /** * Return or enter, during line input. Ends line input. */ void acceptLine(uint32 keycode); /** * Return true if a following quotation mark should be an opening mark, * false if it should be a closing mark. Opening quotation marks will * appear following an open parenthesis, open square bracket, or * whitespace. */ bool leftquote(uint32 c); /** * Mark a given text row as modified */ void touch(int line); void scrollOneLine(bool forced); void scrollResize(); int calcWidth(const uint32 *chars, const Attributes *attrs, int startchar, int numchars, int spw); public: int _width, _height; int _spaced; int _dashed; TextBufferRows _lines; int _scrollBack; int _numChars; ///< number of chars in last line: lines[0] uint32 *_chars; ///< alias to lines[0].chars Attributes *_attrs; ///< alias to lines[0].attrs ///< adjust margins temporarily for images int _ladjw; int _ladjn; int _radjw; int _radjn; // Command history. Common::Array<Common::U32String> _history; int _historyPos; int _historyFirst, _historyPresent; // for paging int _lastSeen; int _scrollPos; int _scrollMax; // for line input void *_inBuf; ///< unsigned char* for latin1, uint* for unicode int _inMax; long _inFence; long _inCurs; Attributes _origAttr; gidispatch_rock_t _inArrayRock; uint _echoLineInput; uint *_lineTerminators; // style hints and settings WindowStyle _styles[style_NUMSTYLES]; // for copy selection uint32 *_copyBuf; int _copyPos; public: /** * Constructor */ TextBufferWindow(Windows *windows, uint rock); /** * Destructor */ virtual ~TextBufferWindow(); int acceptScroll(uint arg); uint drawPicture(uint image, uint align, uint scaled, uint width, uint height); /** * Get the font info structure associated with the window */ virtual FontInfo *getFontInfo() override { return &_font; } /** * Rearranges the window */ virtual void rearrange(const Rect &box) override; /** * Get window split size within parent pair window */ virtual uint getSplit(uint size, bool vertical) const override; /** * Write a unicode character */ virtual void putCharUni(uint32 ch) override; /** * Unput a unicode character */ virtual bool unputCharUni(uint32 ch) override; /** * Clear the window */ virtual void clear() override; /** * Click the window */ virtual void click(const Point &newPos) override; /** * Prepare for inputing a line */ virtual void requestLineEvent(char *buf, uint maxlen, uint initlen) override; /** * Prepare for inputing a line */ virtual void requestLineEventUni(uint32 *buf, uint maxlen, uint initlen) override; /** * Cancel an input line event */ virtual void cancelLineEvent(Event *ev) override; /** * Cancel a hyperlink event */ virtual void cancelHyperlinkEvent() override { _hyperRequest = false; } /** * Redraw the window */ virtual void redraw() override; virtual void acceptReadLine(uint32 arg) override; virtual void acceptReadChar(uint arg) override; virtual void getSize(uint *width, uint *height) const override; virtual void requestCharEvent() override; virtual void requestCharEventUni() override; virtual void setEchoLineEvent(uint val) override { _echoLineInput = val != 0; } virtual void requestHyperlinkEvent() override { _hyperRequest = true; } virtual void cancelCharEvent() override { _charRequest = _charRequestUni = false; } virtual void flowBreak() override; /** * Returns a pointer to the styles for the window */ virtual const WindowStyle *getStyles() const override { return _styles; } }; } // End of namespace Glk #endif