Flu_Choice_Group.cpp
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上传日期:2007-06-13
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- /*
- * ===========================================================================
- * PRODUCTION $Log: Flu_Choice_Group.cpp,v $
- * PRODUCTION Revision 1000.1 2004/06/01 21:05:34 gouriano
- * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.2
- * PRODUCTION
- * ===========================================================================
- */
- /*
- * These files were imported into NCBI's CVS directly from FLU version 2.9.1.
- * Modifications to the source are listed below.
- *
- * ==========================================================================
- * $Log: Flu_Choice_Group.cpp,v $
- * Revision 1000.1 2004/06/01 21:05:34 gouriano
- * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.2
- *
- * Revision 1.2 2004/05/21 22:27:51 gorelenk
- * Added PCH ncbi_pch.hpp
- *
- * Revision 1.1 2004/03/11 13:51:39 dicuccio
- * Imported FLU version 2.9.1. Altered export specifiers to match NCBI layout.
- * Altered include paths to match NCBI toolkit layout.
- *
- * ==========================================================================
- */
- // $Id: Flu_Choice_Group.cpp,v 1000.1 2004/06/01 21:05:34 gouriano Exp $
- /***************************************************************
- * FLU - FLTK Utility Widgets
- * Copyright (C) 2002 Ohio Supercomputer Center, Ohio State University
- *
- * This file and its content is protected by a software license.
- * You should have received a copy of this license with this file.
- * If not, please contact the Ohio Supercomputer Center immediately:
- * Attn: Jason Bryan Re: FLU 1224 Kinnear Rd, Columbus, Ohio 43212
- *
- ***************************************************************/
- #include <ncbi_pch.hpp>
- #include <gui/widgets/FLU/Flu_Choice_Group.h>
- #include <stdlib.h>
- #define MAX( x, y ) ( (x)>(y) ? (x) : (y) )
- #define MIN( x, y ) ( (x)<(y) ? (x) : (y) )
- Flu_Choice_Group :: Flu_Choice_Group( int x, int y, int w, int h, const char *l )
- : Fl_Group( x, y, w, h )
- {
- selected = NULL;
- choice = new Fl_Choice( 0, 0, 0, 0 );
- choice->callback( _choiceCB, this );
- box( FL_EMBOSSED_BOX );
- align( FL_ALIGN_LEFT | FL_ALIGN_INSIDE );
- }
- void Flu_Choice_Group :: choiceCB()
- {
- value( choice->value() );
- do_callback();
- }
- int Flu_Choice_Group :: value()
- {
- if( children() == 1 )
- return -1;
- for( int i = 1; i < children(); i++ )
- if( child(i) == selected )
- return i-1;
- return -1;
- }
- void Flu_Choice_Group :: value( int v )
- {
- v++;
- if( v >= 1 && v < children() )
- value( child(v) );
- }
- int Flu_Choice_Group :: value( Fl_Widget *newvalue )
- {
- int ret = -1;
- selected = NULL;
- choice->clear();
- for( int i = 1; i < children(); i++ )
- {
- choice->add( child(i)->label() );
- child(i)->labeltype( FL_NO_LABEL );
- if( child(i) == newvalue )
- {
- ret = i-1;
- child(i)->show();
- choice->value( ret );
- selected = child(i);
- }
- else
- child(i)->hide();
- child(i)->redraw();
- }
- redraw();
- if( parent() )
- parent()->redraw();
- return ret;
- }
- void Flu_Choice_Group :: draw()
- {
- int i;
- // make sure the selected child is still a child
- bool found = false;
- for( i = 1; i < children(); i++ )
- if( child(i) == selected )
- {
- found = true;
- break;
- }
- if( !found )
- selected = NULL;
- if( !selected && children() > 1 )
- value( child(1) );
- int lblW = 0, lblH = 0, X;
- for( i = 1; i < children(); i++ )
- {
- int W = 0, H;
- fl_measure( child(i)->label(), W, H );
- if( W > lblW )
- lblW = W;
- if( H > lblH )
- lblH = H;
- }
- lblW += 26;
- lblH += 6;
- // align the label
- if( align() & FL_ALIGN_LEFT )
- X = 4;
- else if( align() & FL_ALIGN_RIGHT )
- X = w() - lblW - 8;
- else
- X = w()/2 - lblW/2 - 2;
- // draw the main group box
- fl_draw_box( box(), x(), y()+lblH/2, w(), h()-lblH/2, color() );
- // clip and draw the children
- fl_clip( x()+2, y()+lblH+1, w()-4, h()-lblH-3 );
- choice->hide();
- draw_children();
- choice->show();
- fl_pop_clip();
- // clear behind the button and draw it
- fl_color( color() );
- fl_rectf( x()+X, y(), lblW+4, lblH );
- fl_color( labelcolor() );
- choice->resize( x()+X+2, y(), lblW, lblH );
- draw_child( *choice );
- }