+++ /dev/null
-//
-// "$Id: Fl_Browser_.H,v 1.2 2002/12/01 15:38:37 neurosurg Exp $"
-//
-// Common browser header file for the Fast Light Tool Kit (FLTK).
-//
-// Copyright 1998-2002 by Bill Spitzak and others.
-//
-// 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".
-//
-
-// This is the base class for browsers. To be useful it must
-// be subclassed and several virtual functions defined. The
-// Forms-compatable browser and the file chooser's browser are
-// subclassed off of this.
-
-// Yes, I know this should be a template...
-
-#ifndef Fl_Browser__H
-#define Fl_Browser__H
-
-#ifndef Fl_Group_H
-#include "Fl_Group.H"
-#endif
-#include "Fl_Scrollbar.H"
-
-#define FL_NORMAL_BROWSER 0
-#define FL_SELECT_BROWSER 1
-#define FL_HOLD_BROWSER 2
-#define FL_MULTI_BROWSER 3
-
-class FL_EXPORT Fl_Browser_ : public Fl_Group {
- int position_; // where user wants it scrolled to
- int real_position_; // the current vertical scrolling position
- int hposition_; // where user wants it panned to
- int real_hposition_; // the current horizontal scrolling position
- int offset_; // how far down top_ item the real_position is
- int max_width; // widest object seen so far
- uchar has_scrollbar_; // which scrollbars are enabled
- uchar textfont_, textsize_;
- unsigned textcolor_;
- void* top_; // which item scrolling position is in
- void* selection_; // which is selected (except for FL_MULTI_BROWSER)
- void *redraw1,*redraw2; // minimal update pointers
- void* max_width_item; // which item has max_width_
-
- static int scrollbar_width_;
-
- void update_top();
-
-protected:
-
- // All of the following must be supplied by the subclass:
- virtual void *item_first() const = 0;
- virtual void *item_next(void *) const = 0;
- virtual void *item_prev(void *) const = 0;
- virtual int item_height(void *) const = 0;
- virtual int item_width(void *) const = 0;
- virtual int item_quick_height(void *) const ;
- virtual void item_draw(void *,int,int,int,int) const = 0;
- // you don't have to provide these but it may help speed it up:
- virtual int full_width() const ; // current width of all items
- virtual int full_height() const ; // current height of all items
- virtual int incr_height() const ; // average height of an item
- // These only need to be done by subclass if you want a multi-browser:
- virtual void item_select(void *,int=1);
- virtual int item_selected(void *) const ;
-
- // things the subclass may want to call:
- void *top() const {return top_;}
- void *selection() const {return selection_;}
- void new_list(); // completely clobber all data, as though list replaced
- void deleting(void *a); // get rid of any pointers to a
- void replacing(void *a,void *b); // change a pointers to b
- void inserting(void *a,void *b); // insert a before b
- int displayed(void *) const ; // true if this line is visible
- void redraw_line(void *); // minimal update, no change in size
- void redraw_lines() {damage(FL_DAMAGE_SCROLL);} // redraw all of them
- void bbox(int&,int&,int&,int&) const;
- int leftedge() const; // x position after scrollbar & border
- void *find_item(int my); // item under mouse
- void draw(int,int,int,int);
- int handle(int,int,int,int,int);
-
- void draw();
- Fl_Browser_(int,int,int,int,const char * = 0);
-
-public:
-
- Fl_Scrollbar scrollbar; // Vertical scrollbar
- Fl_Scrollbar hscrollbar; // Horizontal scrollbar
-
- int handle(int);
- void resize(int,int,int,int);
-
- int select(void *,int=1,int docallbacks=0);
- int select_only(void *,int docallbacks=0);
- int deselect(int docallbacks=0);
- int position() const {return position_;}
- int hposition() const {return hposition_;}
- void position(int); // scroll to here
- void hposition(int); // pan to here
- void display(void*); // scroll so this item is shown
-
- uchar has_scrollbar() const {return has_scrollbar_;}
- void has_scrollbar(uchar i) {has_scrollbar_ = i;}
- enum { // values for has_scrollbar()
- HORIZONTAL = 1,
- VERTICAL = 2,
- BOTH = 3,
- ALWAYS_ON = 4,
- HORIZONTAL_ALWAYS = 5,
- VERTICAL_ALWAYS = 6,
- BOTH_ALWAYS = 7
- };
-
- Fl_Font textfont() const {return (Fl_Font)textfont_;}
- void textfont(uchar s) {textfont_ = s;}
- uchar textsize() const {return textsize_;}
- void textsize(uchar s) {textsize_ = s;}
- Fl_Color textcolor() const {return (Fl_Color)textcolor_;}
- void textcolor(unsigned n) {textcolor_ = n;}
-
- static void scrollbar_width(int b) {scrollbar_width_ = b;}
- static int scrollbar_width() {return scrollbar_width_;}
-
- // for back compatability:
- void scrollbar_right() {scrollbar.align(FL_ALIGN_RIGHT);}
- void scrollbar_left() {scrollbar.align(FL_ALIGN_LEFT);}
-
-};
-
-#endif
-
-//
-// End of "$Id: Fl_Browser_.H,v 1.2 2002/12/01 15:38:37 neurosurg Exp $".
-//
projects / opencv / blobdiff