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/*
* This file is part of the XForms library package.
*
* XForms is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1, or
* (at your option) any later version.
*
* XForms 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with XForms. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file scrollbut.c
*
* This file is part of the XForms library package.
* Copyright (c) 1996-2002 T.C. Zhao and Mark Overmars
* All rights reserved.
*
* Buttons for the scrollbar. Maybe of some value in general use.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/types.h>
#include "include/forms.h"
#include "flinternal.h"
/***************************************
***************************************/
static void
draw_sbbutton( FL_OBJECT * ob )
{
FL_COLOR c1;
FL_Coord abw = FL_abs( ob->bw );
FL_Coord extra = abw;
FL_BUTTON_STRUCT *sp = ob->spec;
int btype = FLI_TRIANGLE_UPBOX8;
char *label = ob->label;
int x = ob->x,
y = ob->y,
w = ob->w,
h = ob->h;
if ( ob->col2 != FL_COL1
&& ( sp->event == FL_ENTER || sp->event == FL_LEAVE ) )
return;
if ( sp->event == FL_DRAW )
fl_drw_box( ob->boxtype, x, y, w, h, ob->col1, ob->bw );
if ( *label == '#' )
{
w = h = FL_min( ob->w, ob->h );
x += ( ob->w - w ) / 2;
y += ( ob->h - h ) / 2;
label++;
}
if ( ( ob->boxtype != FL_NO_BOX && ob->boxtype != FL_FLAT_BOX )
|| abw == 1 )
{
extra += 1 + 0.051 * FL_min( w, h );
abw = 1;
}
if ( *label == '2' )
btype = sp->val ? FLI_TRIANGLE_DOWNBOX2 : FLI_TRIANGLE_UPBOX2;
else if ( *label == '4' )
btype = sp->val ? FLI_TRIANGLE_DOWNBOX4 : FLI_TRIANGLE_UPBOX4;
else if ( *label == '6' )
btype = sp->val ? FLI_TRIANGLE_DOWNBOX6 : FLI_TRIANGLE_UPBOX6;
else if ( *label == '8' )
btype = sp->val ? FLI_TRIANGLE_DOWNBOX8 : FLI_TRIANGLE_UPBOX8;
c1 = ( ob->belowmouse && sp->event != FL_RELEASE ) ? FL_MCOL : ob->col2;
fli_drw_tbox( btype, x + extra, y + extra, w - 2 * extra, h - 2 * extra,
c1, abw );
}
/***************************************
* creates an object
***************************************/
FL_OBJECT *
fl_create_scrollbutton( int type,
FL_Coord x,
FL_Coord y,
FL_Coord w,
FL_Coord h,
const char * label )
{
FL_OBJECT *ob;
fl_add_button_class( FL_SCROLLBUTTON, draw_sbbutton, 0 );
ob = fl_create_generic_button( FL_SCROLLBUTTON, type, x, y, w, h, label );
ob->boxtype = FL_UP_BOX;
ob->col1 = FL_COL1;
ob->col2 = FL_COL1;
ob->lcol = FL_COL1;
return ob;
}
/***************************************
* Adds an object
***************************************/
FL_OBJECT *
fl_add_scrollbutton( int type,
FL_Coord x,
FL_Coord y,
FL_Coord w,
FL_Coord h,
const char * label )
{
FL_OBJECT *ob = fl_create_scrollbutton( type, x, y, w, h, label );
fl_add_object( fl_current_form, ob );
return ob;
}
/*
* Local variables:
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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