//// "$Id: Fl_Help_View.H 4288 2005-04-16 00:13:17Z mike $"//// Help Viewer widget definitions.//// Copyright 1997-2005 by Easy Software Products.// Image support donated by Matthias Melcher, Copyright 2000.//// This library is free software; you can redistribute it and/or// modify it under the terms of the GNU Library General Public// License as published by the Free Software Foundation; either// version 2 of the License, or (at your option) any later version.//// This library 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// Library General Public License for more details.//// You should have received a copy of the GNU Library General Public// License along with this library; if not, write to the Free Software// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307// USA.//// Please report all bugs and problems on the following page:////     http://www.fltk.org/str.php//#ifndef Fl_Help_View_H#  define Fl_Help_View_H//// Include necessary header files...//#  include <stdio.h>#  include "Fl.H"#  include "Fl_Group.H"#  include "Fl_Scrollbar.H"#  include "fl_draw.H"#  include "Fl_Shared_Image.H"//// Fl_Help_Func type - link callback function for files...//typedef const char *(Fl_Help_Func)(Fl_Widget *, const char *);//// Fl_Help_Block structure...//struct Fl_Help_Block{  const char	*start,		// Start of text		*end;		// End of text  uchar		border;		// Draw border?  Fl_Color	bgcolor;	// Background color  int		x,		// Indentation/starting X coordinate		y,		// Starting Y coordinate		w,		// Width		h;		// Height  int		line[32];	// Left starting position for each line};//// Fl_Help_Link structure...//struct Fl_Help_Link{  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};//// Fl_Help_Target structure...//struct Fl_Help_Target{  char		name[32];	// Target name  int		y;		// Y offset of target};//// Fl_Help_View class...//class FL_EXPORT Fl_Help_View : 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  Fl_Help_Block	*blocks_;		// Blocks  int		nfonts_;		// Number of fonts in stack  uchar		fonts_[100][2];		// Font stack  Fl_Help_Func	*link_;			// Link transform function  int		nlinks_,		// Number of links		alinks_;		// Allocated links  Fl_Help_Link	*links_;		// Links  int		ntargets_,		// Number of targets		atargets_;		// Allocated targets  Fl_Help_Target *targets_;		// Targets  char		directory_[1024];	// Directory for current file  char		filename_[1024];	// Current filename  int		topline_,		// Top line in document		leftline_,		// Lefthand position		size_,			// Total document length		hsize_;			// Maximum document width  Fl_Scrollbar	scrollbar_,		// Vertical scrollbar for document		hscrollbar_;		// Horizontal scrollbar  Fl_Help_Block	*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 Fl_Help_Target *t0, const Fl_Help_Target *t1);  int		do_align(Fl_Help_Block *block, int line, int xx, int a, int &l);  void		draw();  void		format();  void		format_table(int *table_width, int *columns, const char *table);  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);  Fl_Shared_Image *get_image(const char *name, int W, int H);  int		get_length(const char *l);  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:  Fl_Help_View(int xx, int yy, int ww, int hh, const char *l = 0);  ~Fl_Help_View();  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); }  int		find(const char *s, int p = 0);  void		link(Fl_Help_Func *fn) { link_ = fn; }  int		load(const char *f);  void		resize(int,int,int,int);  int		size() const { return (size_); }  void		size(int W, int H) { Fl_Widget::size(W, H); }  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		leftline(int);  int		leftline() const { return (leftline_); }  void		value(const char *v);  const char	*value() const { return (value_); }};#endif // !Fl_Help_View_H//// End of "$Id: Fl_Help_View.H 4288 2005-04-16 00:13:17Z mike $".//