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https://github.com/alsa-project/alsa-tools.git
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59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
/*
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* HDSPMixer
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*
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* Copyright (C) 2003 Thomas Charbonnel (thomas@undata.org)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#pragma implementation
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#include "HDSPMixerPeak.h"
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HDSPMixerPeak::HDSPMixerPeak(int x, int y, int parenttype):Fl_Widget(x, y, 30, 13)
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{
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parent_iomixer = parenttype;
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over = 0;
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snprintf(text, 10, "-oo");
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}
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void HDSPMixerPeak::draw()
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{
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if (over) {
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fl_draw_pixmap(over_xpm, x(), y());
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}
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fl_color(FL_GREEN);
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fl_font(FL_HELVETICA, 8);
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fl_draw(text, x(), y(), w(), h(), FL_ALIGN_CENTER);
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}
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void HDSPMixerPeak::update(double maxlevel, int ovr) {
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if (ovr) {
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snprintf(text, 10, "Ovr");
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over = 1;
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} else {
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over = 0;
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if (maxlevel <= 0.001) {
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snprintf(text, 10, "0.00");
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} else if (maxlevel == 1000.0) {
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snprintf(text, 10, "-oo");
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} else if (maxlevel >= 100.0) {
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snprintf(text, 10, "-%.1f", maxlevel);
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} else {
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snprintf(text, 10, "-%.2f", maxlevel);
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}
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}
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redraw();
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}
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