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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; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*
*/
/*
* $Id: tooltip.c,v 1.0 2002/05/08 05:16:30 zhao Release $
*.
* 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
*
*/
#include "forms.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)
{
if (!tip)
{
FL_OBJECT *text;
tip = fl_calloc(1, sizeof(*tip));
tip->fntstyle = FL_NORMAL_STYLE;
tip->fntsize = FL_DEFAULT_SIZE;
tip->boxtype = FL_BORDER_BOX;
tip->lalign = FL_ALIGN_LEFT|FL_ALIGN_INSIDE;
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_lcol(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
fl_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
fl_hide_tooltip(void)
{
create_it();
if (tip->tooltipper->visible)
fl_hide_form(tip->tooltipper);
}
void
fl_set_tooltip_color(FL_COLOR tc, FL_COLOR bc)
{
create_it();
fl_set_object_lcol(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 = align);
}
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