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Diffstat (limited to 'SrcUnix/espws-2.0/HelpView.h')
| -rw-r--r-- | SrcUnix/espws-2.0/HelpView.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/SrcUnix/espws-2.0/HelpView.h b/SrcUnix/espws-2.0/HelpView.h new file mode 100644 index 0000000..ba327da --- /dev/null +++ b/SrcUnix/espws-2.0/HelpView.h @@ -0,0 +1,180 @@ +// +// "$Id: HelpView.h,v 1.9 2000/01/22 15:21:08 mike Exp $" +// +// 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 <FL/Fl.H> +# include <FL/Fl_Group.H> +# include <FL/Fl_Scrollbar.H> +# include <FL/fl_draw.H> + + +// +// 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.h,v 1.9 2000/01/22 15:21:08 mike Exp $". +// |