2 // "$Id: Fl_Browser.H,v 1.2 2002/12/01 15:38:37 neurosurg Exp $"
4 // Browser header file for the Fast Light Tool Kit (FLTK).
6 // Copyright 1998-2002 by Bill Spitzak and others.
8 // This library is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU Library General Public
10 // License as published by the Free Software Foundation; either
11 // version 2 of the License, or (at your option) any later version.
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // Library General Public License for more details.
18 // You should have received a copy of the GNU Library General Public
19 // License along with this library; if not, write to the Free Software
20 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
23 // Please report all bugs and problems to "fltk-bugs@fltk.org".
26 // Forms-compatable browser. Probably useful for other
27 // lists of textual data. Notice that the line numbers
28 // start from 1, and 0 means "no line".
33 #include "Fl_Browser_.H"
37 class FL_EXPORT Fl_Browser : public Fl_Browser_ {
39 FL_BLINE *first; // the array of lines
42 int cacheline; // line number of cache
43 int lines; // Number of lines
45 const int* column_widths_;
46 char format_char_; // alternative to @-sign
47 char column_char_; // alternative to tab
51 // required routines for Fl_Browser_ subclass:
52 void* item_first() const ;
53 void* item_next(void*) const ;
54 void* item_prev(void*) const ;
55 int item_selected(void*) const ;
56 void item_select(void*, int);
57 int item_height(void*) const ;
58 int item_width(void*) const ;
59 void item_draw(void*, int, int, int, int) const ;
60 int full_height() const ;
61 int incr_height() const ;
63 FL_BLINE* find_line(int) const ;
64 FL_BLINE* _remove(int) ;
65 void insert(int, FL_BLINE*);
66 int lineno(void*) const ;
71 void add(const char*, void* = 0);
72 void insert(int, const char*, void* = 0);
73 void move(int to, int from);
74 int load(const char* filename);
77 int size() const {return lines;}
80 enum Fl_Line_Position { TOP, BOTTOM, MIDDLE };
81 void lineposition(int, Fl_Line_Position);
82 void topline(int l) { lineposition(l, TOP); }
83 void bottomline(int l) { lineposition(l, BOTTOM); }
84 void middleline(int l) { lineposition(l, MIDDLE); }
86 int select(int, int=1);
87 int selected(int) const ;
89 void show() {Fl_Widget::show();}
91 void hide() {Fl_Widget::hide();}
92 int visible(int n) const ;
95 void value(int v) {select(v);}
96 const char* text(int) const ;
97 void text(int, const char*);
98 void* data(int) const ;
99 void data(int, void* v);
101 Fl_Browser(int, int, int, int, const char* = 0);
102 ~Fl_Browser() { clear(); }
104 char format_char() const {return format_char_;}
105 void format_char(char c) {format_char_ = c;}
106 char column_char() const {return column_char_;}
107 void column_char(char c) {column_char_ = c;}
108 const int* column_widths() const {return column_widths_;}
109 void column_widths(const int* l) {column_widths_ = l;}
111 int displayed(int n) const {return Fl_Browser_::displayed(find_line(n));}
112 void make_visible(int n) {
113 if (n < 1) Fl_Browser_::display(find_line(1));
114 else if (n > lines) Fl_Browser_::display(find_line(lines));
115 else Fl_Browser_::display(find_line(n));
118 // for back compatability only:
119 void replace(int a, const char* b) {text(a, b);}
120 void display(int, int=1);
126 // End of "$Id: Fl_Browser.H,v 1.2 2002/12/01 15:38:37 neurosurg Exp $".