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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 tooltip.c
*
* This file is part of the XForms library package.
* Copyright (c) 1998-2002 T.C. Zhao
* All rights reserved.
*
* Show message in a top-level unmanaged window. Used
* for tooltips
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "include/forms.h"
#include "flinternal.h"
typedef struct {
FL_FORM * tooltipper;
void * vdata;
char * cdata;
long ldate;
FL_OBJECT * text;
int fntstyle;
int fntsize;
FL_COLOR background;
FL_COLOR textcolor;
int boxtype;
int lalign;
} TOOLTIP;
static TOOLTIP *tip;
/***************************************
***************************************/
static void
create_it( void )
{
FL_OBJECT *text;
if ( tip )
return;
tip = fl_calloc( 1, sizeof *tip );
tip->fntstyle = FL_NORMAL_STYLE;
tip->fntsize = FL_DEFAULT_SIZE;
tip->boxtype = FL_BORDER_BOX;
tip->lalign = fl_to_inside_lalign( FL_ALIGN_LEFT );
tip->textcolor = FL_BLACK;
tip->background = FL_YELLOW;
tip->tooltipper = fl_bgn_form( FL_NO_BOX, 5, 5 );
tip->text = text = fl_add_box( tip->boxtype, 0, 0, 5, 5, "" );
fl_set_object_bw( text, -1 );
fl_set_object_lstyle( text, tip->fntstyle );
fl_set_object_lsize( text, tip->fntsize );
fl_set_object_lcolor( text, tip->textcolor );
fl_set_object_lalign( text, tip->lalign );
fl_set_object_color( text, tip->background, tip->background );
fl_end_form( );
}
/***************************************
***************************************/
void
fl_set_tooltip_boxtype( int bt )
{
create_it( );
tip->boxtype = bt;
fl_set_object_boxtype( tip->text, bt );
}
/***************************************
***************************************/
void
fli_show_tooltip( const char * s,
int x,
int y )
{
int maxw = 0,
maxh = 0,
extra;
if ( ! s )
return;
create_it( );
extra =
1 + ( tip->boxtype != FL_FLAT_BOX && tip->boxtype != FL_BORDER_BOX );
fl_get_string_dimension( tip->fntstyle, tip->fntsize,
s, strlen( s ), &maxw, &maxh );
maxw += 7 + extra;
maxh += 7 + extra;
if ( maxw > 800 )
maxw = 800;
if ( maxh > 800 )
maxh = 800;
fl_freeze_form( tip->tooltipper );
fl_set_form_geometry( tip->tooltipper, x, y, maxw, maxh );
fl_set_object_label( tip->text, s );
fl_unfreeze_form( tip->tooltipper );
if ( ! tip->tooltipper->visible )
fl_show_form( tip->tooltipper, FL_PLACE_GEOMETRY | FL_FREE_SIZE,
FL_NOBORDER, "Tooltip" );
fl_update_display( 1 );
}
/***************************************
***************************************/
void
fli_hide_tooltip( void )
{
if ( tip && tip->tooltipper->visible )
fl_hide_form( tip->tooltipper );
}
/***************************************
***************************************/
int
fli_is_tooltip_form( FL_FORM * form )
{
return tip && tip->tooltipper == form;
}
/***************************************
***************************************/
void
fl_set_tooltip_color( FL_COLOR tc,
FL_COLOR bc )
{
create_it( );
fl_set_object_lcolor( tip->text, tip->textcolor = tc );
tip->background = bc;
fl_set_object_color( tip->text, tip->background, tip->background );
}
/***************************************
***************************************/
void
fl_set_tooltip_font( int style,
int size )
{
create_it( );
fl_set_object_lstyle( tip->text, tip->fntstyle = style );
fl_set_object_lsize( tip->text, tip->fntsize = size );
}
/***************************************
***************************************/
void
fl_set_tooltip_lalign( int align )
{
create_it( );
fl_set_object_lalign( tip->text,
tip->lalign = fl_to_inside_lalign( align ) );
}
/*
* Local variables:
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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