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//
// "$Id: Fl_Light_Button.cxx,v 1.4.2.3.2.7 2001/11/28 21:37:35 easysw Exp $"
//
// Lighted button widget for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2001 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".
//
// Subclass of Fl_Button where the "box" indicates whether it is
// pushed or not, and the "down box" is drawn small and square on
// the left to indicate the current state.
// The default down_box of zero draws a rectangle designed to look
// just like Flame's buttons.
#include <FL/Fl.H>
#include <FL/Fl_Light_Button.H>
#include <FL/fl_draw.H>
void Fl_Light_Button::draw() {
if (box()) draw_box(this==Fl::pushed() ? down(box()) : box(), color());
Fl_Color col = value() ? (active_r() ? selection_color() :
fl_inactive(selection_color())) : color();
int W = labelsize() - 1;
int d = ((w()<h()?w():h()) - W) / 2;
if (down_box()) {
// draw other down_box() styles:
switch (down_box()) {
case FL_DOWN_BOX :
case FL_UP_BOX :
case _FL_PLASTIC_DOWN_BOX :
case _FL_PLASTIC_UP_BOX :
// Check box...
draw_box(down_box(), x()+d, y()+d, W, W, FL_WHITE);
if (value()) {
fl_color(col);
fl_line_style(FL_SOLID, 2);
fl_line(x() + d + W - 3, y() + d + 3,
x() + d + W / 2 - 1, y() + d + W - 4,
x() + d + 3, y() + d + W / 2);
fl_line_style(FL_SOLID);
}
break;
case _FL_ROUND_DOWN_BOX :
case _FL_ROUND_UP_BOX :
// Radio button...
draw_box(down_box(), x()+d, y()+d+1, W, W, FL_WHITE);
if (value()) {
fl_color(col);
if (W > 12) {
fl_pie(x() + d + 4, y() + d + 5, W - 8, W - 8, 0.0, 360.0);
} else {
// Small circles don't draw well with some X servers...
fl_rectf(x() + d + 5, y() + d + 5, 2, 4);
fl_rectf(x() + d + 4, y() + d + 6, 4, 2);
}
}
break;
default :
draw_box(down_box(), x()+d, y()+d, W, W, col);
break;
}
} else {
// if down_box() is zero, draw light button style:
int hh = h()-2*d - 2;
int ww = hh/2+1;
int xx = d;
if (w()<ww+2*xx) xx = (w()-ww)/2;
draw_box(FL_THIN_DOWN_BOX, x()+xx, y()+d+1, ww, hh, col);
d = (ww + 2 * d - W) / 2;
}
draw_label(x()+W+2*d, y(), w()-W-2*d, h());
if (Fl::focus() == this) draw_focus();
}
int Fl_Light_Button::handle(int event) {
switch (event) {
case FL_RELEASE:
if (box()) redraw();
default:
return Fl_Button::handle(event);
}
}
Fl_Light_Button::Fl_Light_Button(int x, int y, int w, int h, const char* l)
: Fl_Button(x, y, w, h, l) {
type(FL_TOGGLE_BUTTON);
selection_color(FL_YELLOW);
align(FL_ALIGN_LEFT|FL_ALIGN_INSIDE);
}
//
// End of "$Id: Fl_Light_Button.cxx,v 1.4.2.3.2.7 2001/11/28 21:37:35 easysw Exp $".
//
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