+++ /dev/null
-//
-// "$Id: Fl_Help_View.H,v 1.2 2002/12/01 15:38:37 neurosurg Exp $"
-//
-// Help Viewer widget definitions.
-//
-// Copyright 1997-2002 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 to "fltk-bugs@fltk.org".
-//
-
-#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); }
- 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 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,v 1.2 2002/12/01 15:38:37 neurosurg Exp $".
-//
projects / opencv / blobdiff