/* * $Id: HelpView.hxx,v 1.1 2003/09/16 10:35:14 hut66au Exp $ * * Imview, the portable image analysis application * http://www.cmis.csiro.au/Hugues.Talbot/imview * ---------------------------------------------------------- * * Imview is an attempt to provide an image display application * suitable for professional image analysis. It was started in * 1997 and is mostly the result of the efforts of Hugues Talbot, * Image Analysis Project, CSIRO Mathematical and Information * Sciences, with help from others (see the CREDITS files for * more information) * * Imview is Copyrighted (C) 1997-2001 by Hugues Talbot and was * supported in parts by the Australian Commonwealth Science and * Industry Research Organisation. Please see the COPYRIGHT file * for full details. Imview also includes the contributions of * many others. Please see the CREDITS file for full details. * * 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, USA. * */ // // // Help Viewer widget definitions. // // Copyright 1997-2000 by Easy Software Products. // // These coded instructions, statements, and computer programs are the // property of Easy Software Products and are protected by Federal // copyright law. Distribution and use rights are outblockd in the file // "COPYING" which should have been included with this file. If this // file is missing or damaged please contact Easy Software Products // at: // // Attn: ESP Licensing Information // Easy Software Products // 44141 Airport View Drive, Suite 204 // Hollywood, Maryland 20636-3111 USA // // Voice: (301) 373-9600 // EMail: info@easysw.com // WWW: http://www.easysw.com // #ifndef _GUI_HELPVIEW_H_ # define _GUI_HELPVIEW_H_ // // Include necessary header files... // # include # include # include # include // // HelpFunc type - link callback function for files... // typedef const char *(HelpFunc)(const char *); // // HelpBlock structure... // struct HelpBlock { const char *start, // Start of text *end; // End of text uchar font, // Text font size, // Text size border; // Draw border? short x, // Indentation/starting X coordinate y, // Starting Y coordinate w, // Width h; // Height short line[32]; // Left starting position for each line }; // // HelpLink structure... // struct HelpLink { char filename[192], // Reference filename name[32]; // Link target (blank if none) int x, // X offset of link text y, // Y offset of link text w, // Width of link text h; // Height of link text }; // // HelpTarget structure... // struct HelpTarget { char name[32]; // Target name int y; // Y offset of target }; // // HelpView class... // class HelpView : public Fl_Group //// Help viewer widget { enum { RIGHT = -1, CENTER, LEFT }; // Alignments char title_[1024]; // Title string Fl_Color defcolor_, // Default text color bgcolor_, // Background color textcolor_, // Text color linkcolor_; // Link color uchar textfont_, // Default font for text textsize_; // Default font size const char *value_; // HTML text value int nblocks_, // Number of blocks/paragraphs ablocks_; // Allocated blocks HelpBlock *blocks_; // Blocks int nfonts_; // Number of fonts in stack uchar fonts_[100][2]; // Font stack HelpFunc *link_; // Link transform function int nlinks_, // Number of links alinks_; // Allocated links HelpLink *links_; // Links int ntargets_, // Number of targets atargets_; // Allocated targets HelpTarget *targets_; // Targets char directory_[1024]; // Directory for current file char filename_[1024]; // Current filename int topline_, // Top line in document size_; // Total document length Fl_Scrollbar scrollbar_; // Scrollbar for document HelpBlock *add_block(const char *s, int xx, int yy, int ww, int hh, uchar border = 0); void add_link(const char *n, int xx, int yy, int ww, int hh); void add_target(const char *n, int yy); static int compare_targets(const HelpTarget *t0, const HelpTarget *t1); int do_align(HelpBlock *block, int line, int xx, int a, int &l); void draw(); void format(); int get_align(const char *p, int a); const char *get_attr(const char *p, const char *n, char *buf, int bufsize); Fl_Color get_color(const char *n, Fl_Color c); int handle(int); void initfont(uchar &f, uchar &s) { nfonts_ = 0; fl_font(f = fonts_[0][0] = textfont_, s = fonts_[0][1] = textsize_); } void pushfont(uchar f, uchar s) { if (nfonts_ < 99) nfonts_ ++; fl_font(fonts_[nfonts_][0] = f, fonts_[nfonts_][1] = s); } void popfont(uchar &f, uchar &s) { if (nfonts_ > 0) nfonts_ --; fl_font(f = fonts_[nfonts_][0], s = fonts_[nfonts_][1]); } public: HelpView(int xx, int yy, int ww, int hh, const char *l = 0); ~HelpView(); const char *directory() const { if (directory_[0]) return (directory_); else return ((const char *)0); } const char *filename() const { if (filename_[0]) return (filename_); else return ((const char *)0); } void link(HelpFunc *fn) { link_ = fn; } int load(const char *f); void resize(int,int,int,int); int size() const { return (size_); } void textcolor(Fl_Color c) { if (textcolor_ == defcolor_) textcolor_ = c; defcolor_ = c; } Fl_Color textcolor() const { return (defcolor_); } void textfont(uchar f) { textfont_ = f; format(); } uchar textfont() const { return (textfont_); } void textsize(uchar s) { textsize_ = s; format(); } uchar textsize() const { return (textsize_); } const char *title() { return (title_); } void topline(const char *n); void topline(int); int topline() const { return (topline_); } void value(const char *v); const char *value() const { return (value_); } }; #endif // !_GUI_HELPVIEW_H_ // // End of "$Id: HelpView.hxx,v 1.1 2003/09/16 10:35:14 hut66au Exp $". //