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Diffstat (limited to 'engines/glk/window_text_buffer.h')
| -rw-r--r-- | engines/glk/window_text_buffer.h | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/engines/glk/window_text_buffer.h b/engines/glk/window_text_buffer.h new file mode 100644 index 0000000000..a26a95b5bc --- /dev/null +++ b/engines/glk/window_text_buffer.h @@ -0,0 +1,245 @@ +/* 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" + +namespace Gargoyle { + +/** + * Text Buffer window + */ +class TextBufferWindow : public Window, Speech { + /** + * Structure for a row within the window + */ + struct TextBufferRow { + glui32 _chars[TBLINELEN]; + Attributes _attrs[TBLINELEN]; + int _len, _newLine; + bool _dirty, _repaint; + Picture *_lPic, *_rPic; + glui32 _lHyper, _rHyper; + int _lm, _rm; + + /** + * Constructor + */ + TextBufferRow(); + }; + typedef Common::Array<TextBufferRow> TextBufferRows; +private: + void reflow(); + void touchScroll(); + bool putPicture(Picture *pic, glui32 align, glui32 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 glui32 *buf, int len, int pos, int oldlen); + + /** + * Return or enter, during line input. Ends line input. + */ + void acceptLine(glui32 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(glui32 c); + + /** + * Mark a given text row as modified + */ + void touch(int line); + + void scrollOneLine(bool forced); + void scrollResize(); + int calcWidth(glui32 *chars, 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] + glui32 *_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. */ + glui32 *_history[HISTORYLEN]; + int _historyPos; + int _historyFirst, _historyPresent; + + /* for paging */ + int _lastSeen; + int _scrollPos; + int _scrollMax; + + /* for line input */ + void *_inBuf; ///< unsigned char* for latin1, glui32* for unicode + int _inMax; + long _inFence; + long _inCurs; + Attributes _origAttr; + gidispatch_rock_t _inArrayRock; + + glui32 _echoLineInput; + glui32 *_lineTerminators; + + /* style hints and settings */ + WindowStyle _styles[style_NUMSTYLES]; + + /* for copy selection */ + glui32 *_copyBuf; + int _copyPos; +public: + /** + * Constructor + */ + TextBufferWindow(Windows *windows, uint32 rock); + + /** + * Destructor + */ + virtual ~TextBufferWindow(); + + int acceptScroll(glui32 arg); + + glui32 drawPicture(glui32 image, glui32 align, glui32 scaled, glui32 width, glui32 height); + + /** + * Rearranges the window + */ + virtual void rearrange(const Rect &box) override; + + /** + * Get window split size within parent pair window + */ + virtual glui32 getSplit(glui32 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, glui32 maxlen, glui32 initlen) override; + + /** + * Prepare for inputing a line + */ + virtual void requestLineEventUni(glui32 *buf, glui32 maxlen, glui32 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(glui32 arg) override; + + virtual void acceptReadChar(glui32 arg) override; + + virtual void getSize(glui32 *width, glui32 *height) const override; + + virtual void requestCharEvent() override { + _charRequest = true; + } + + virtual void requestCharEventUni() override { + _charRequestUni = true; + } + + virtual void setEchoLineEvent(glui32 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 Gargoyle + +#endif |