mirror of
https://github.com/ElvishArtisan/rivendell.git
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35b61a1122
* Corrected an error in 'rdlibrary/disk_gauge.cpp' that generated incorrect free time values.
137 lines
3.7 KiB
C++
137 lines
3.7 KiB
C++
// disk_gauge.cpp
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//
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// Disk Gauge Widget for RDLibrary.
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//
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// (C) Copyright 2002-2004 Fred Gleason <fredg@paravelsystems.com>
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//
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// $Id: disk_gauge.cpp,v 1.7.8.1 2014/01/08 02:08:38 cvs Exp $
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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 version 2 as
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// published by the Free Software Foundation.
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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
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// License 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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#include <sys/vfs.h>
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#include <qfontmetrics.h>
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#include <globals.h>
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#include <rd.h>
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#include <disk_gauge.h>
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#include <rdconfig.h>
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#include <rdaudiostore.h>
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DiskGauge::DiskGauge(int samp_rate,int chans,QWidget *parent,const char *name)
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: QWidget(parent,name)
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{
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disk_sample_rate=samp_rate;
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disk_channels=chans;
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//
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// Generate Fonts
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//
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QFont label_font("Helvetica",12,QFont::Bold);
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label_font.setPixelSize(12);
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disk_label=new QLabel("Free:",this);
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disk_label->setGeometry(0,0,50,sizeHint().height());
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disk_label->setFont(label_font);
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disk_label->setAlignment(AlignRight|AlignVCenter);
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disk_label->setDisabled(true);
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disk_bar=new QProgressBar(this);
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disk_bar->setPercentageVisible(false);
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disk_bar->setGeometry(55,0,sizeHint().width()-55,sizeHint().height());
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disk_bar->setDisabled(true);
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disk_space_label=new QLabel(this);
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disk_space_label->setFont(label_font);
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disk_space_label->setAlignment(AlignCenter);
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disk_space_label->setDisabled(true);
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/*
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update();
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*/
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disk_timer=new QTimer(this);
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connect(disk_timer,SIGNAL(timeout()),this,SLOT(update()));
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disk_timer->start(100);
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}
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QSize DiskGauge::sizeHint() const
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{
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return QSize(160,40);
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}
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QSizePolicy DiskGauge::sizePolicy() const
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{
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return QSizePolicy(QSizePolicy::Fixed,QSizePolicy::Fixed);
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}
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void DiskGauge::update()
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{
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if(lib_user==NULL) {
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return;
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}
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RDAudioStore::ErrorCode conv_err;
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RDAudioStore *conv=new RDAudioStore(rdstation_conf,lib_config,this);
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if((conv_err=conv->runStore(lib_user->name(),lib_user->password()))==
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RDAudioStore::ErrorOk) {
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uint64_t free_min=GetMinutes(conv->freeBytes());
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uint64_t total_min=GetMinutes(conv->totalBytes());
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disk_bar->setTotalSteps(total_min);
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disk_bar->setProgress(free_min);
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disk_space_label->setText(QString().sprintf("%luh %02lum",free_min/60,
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free_min-60*(free_min/60)));
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disk_label->setEnabled(true);
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disk_bar->setEnabled(true);
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disk_space_label->setEnabled(true);
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}
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delete conv;
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disk_timer->stop();
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disk_timer->start(DISK_GAUGE_UPDATE_INTERVAL,true);
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}
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void DiskGauge::resizeEvent(QResizeEvent *e)
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{
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QFontMetrics *fm=new QFontMetrics(disk_label->font());
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disk_label->setGeometry(0,0,fm->width(disk_label->text()),size().height()/2);
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disk_bar->setGeometry(fm->width(disk_label->text())+5,0,
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size().width()-fm->width(disk_label->text())-10,size().height()/2);
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disk_space_label->
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setGeometry(0,size().height()/2,size().width(),size().height()/2);
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delete fm;
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}
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unsigned DiskGauge::GetMinutes(uint64_t bytes)
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{
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unsigned ret=0;
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switch(rdlibrary_conf->defaultFormat()) {
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case 1: // MPEG Layer 2
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ret=bytes*2/(rdlibrary_conf->defaultChannels()*
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rdlibrary_conf->defaultBitrate()*15);
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break;
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default: // PCM16
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ret=bytes/(rdlibrary_conf->defaultChannels()*2*lib_system->sampleRate()*60);
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break;
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}
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return ret;
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}
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