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//
// "$Id: Fl_Progress.cxx 7903 2010-11-28 21:06:39Z matt $"
//
// Progress bar widget routines.
//
// Copyright 2000-2010 by Michael Sweet.
//
// 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 on the following page:
//
// http://www.fltk.org/str.php
//
// Contents:
//
// Fl_Progress::draw() - Draw the check button.
// Fl_Progress::Fl_Progress() - Construct a Fl_Progress widget.
//
//
// Include necessary header files...
//
#include <FL/Fl.H>
#include <FL/Fl_Progress.H>
#include <FL/fl_draw.H>
//
// Fl_Progress is a progress bar widget based off Fl_Widget that shows a
// standard progress bar...
//
//
// 'Fl_Progress::draw()' - Draw the progress bar.
//
/** Draws the progress bar. */
void Fl_Progress::draw()
{
int progress; // Size of progress bar...
int bx, by, bw, bh; // Box areas...
int tx, tw; // Temporary X + width
// Get the box borders...
bx = Fl::box_dx(box());
by = Fl::box_dy(box());
bw = Fl::box_dw(box());
bh = Fl::box_dh(box());
tx = x() + bx;
tw = w() - bw;
// Draw the progress bar...
if (maximum_ > minimum_)
progress = (int)(w() * (value_ - minimum_) / (maximum_ - minimum_) + 0.5f);
else
progress = 0;
// Draw the box and label...
if (progress > 0) {
Fl_Color c = labelcolor();
labelcolor(fl_contrast(labelcolor(), selection_color()));
fl_push_clip(x(), y(), progress + bx, h());
draw_box(box(), x(), y(), w(), h(), active_r() ? selection_color() : fl_inactive(selection_color()));
draw_label(tx, y() + by, tw, h() - bh);
fl_pop_clip();
labelcolor(c);
if (progress<w()) {
fl_push_clip(tx + progress, y(), w() - progress, h());
draw_box(box(), x(), y(), w(), h(), active_r() ? color() : fl_inactive(color()));
draw_label(tx, y() + by, tw, h() - bh);
fl_pop_clip();
}
} else {
draw_box(box(), x(), y(), w(), h(), active_r() ? color() : fl_inactive(color()));
draw_label(tx, y() + by, tw, h() - bh);
}
}
/**
The constructor creates the progress bar using the position, size, and label.
You can set the background color with color() and the
progress bar color with selection_color(), or you can set both colors
together with color(unsigned bg, unsigned sel).
The default colors are FL_BACKGROUND2_COLOR and FL_YELLOW, resp.
*/
Fl_Progress::Fl_Progress(int X, int Y, int W, int H, const char* L)
: Fl_Widget(X, Y, W, H, L) {
align(FL_ALIGN_INSIDE);
box(FL_DOWN_BOX);
color(FL_BACKGROUND2_COLOR, FL_YELLOW);
minimum(0.0f);
maximum(100.0f);
value(0.0f);
}
//
// End of "$Id: Fl_Progress.cxx 7903 2010-11-28 21:06:39Z matt $".
//
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