Initial import of CVS-v2_8_branch

2026-01-12 07:35:55 +01:00 · 2014-08-12 15:13:02 -04:00
commit afd67c7af8
1508 changed files with 405304 additions and 0 deletions
--- a/rdlibrary/disk_gauge.cpp
+++ b/rdlibrary/disk_gauge.cpp
@@ -0,0 +1,107 @@
+// disk_gauge.cpp
+//
+// Disk Gauge Widget for RDLibrary.
+//
+//   (C) Copyright 2002-2004 Fred Gleason <fredg@paravelsystems.com>
+//
+//      $Id: disk_gauge.cpp,v 1.7.8.1 2014/01/08 02:08:38 cvs Exp $
+//
+//   This program is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU General Public License version 2 as
+//   published by the Free Software Foundation.
+//
+//   This program 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 General Public License for more details.
+//
+//   You should have received a copy of the GNU General Public
+//   License along with this program; if not, write to the Free Software
+//   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+
+#include <sys/vfs.h>
+
+#include <qtimer.h>
+#include <qfontmetrics.h>
+
+#include <rd.h>
+#include <disk_gauge.h>
+#include <rdconfig.h>
+
+DiskGauge::DiskGauge(int samp_rate,int chans,QWidget *parent,const char *name)
+  : QWidget(parent,name)
+{
+  disk_sample_rate=samp_rate;
+  disk_channels=chans;
+
+  //
+  // Generate Fonts
+  //
+  QFont label_font("Helvetica",12,QFont::Bold);
+  label_font.setPixelSize(12);
+
+  disk_label=new QLabel("Free:",this,"free_label");
+  disk_label->setGeometry(0,0,50,sizeHint().height());
+  disk_label->setFont(label_font);
+  disk_label->setAlignment(AlignRight|AlignVCenter);
+
+  disk_bar=new QProgressBar(this);
+  disk_bar->setPercentageVisible(false);
+  disk_bar->setGeometry(55,0,sizeHint().width()-55,sizeHint().height());
+
+  disk_space_label=new QLabel(this);
+  disk_space_label->setFont(label_font);
+  disk_space_label->setAlignment(AlignCenter);
+
+  struct statfs diskstat;
+  statfs(RDConfiguration()->audioRoot().ascii(),&diskstat);
+  disk_bar->setTotalSteps(GetMinutes(diskstat.f_blocks,diskstat.f_bsize));
+  update();
+
+  QTimer *timer=new QTimer(this,"update_timer");
+  connect(timer,SIGNAL(timeout()),this,SLOT(update()));
+  timer->start(DISK_GAUGE_UPDATE_INTERVAL);
+}
+
+
+QSize DiskGauge::sizeHint() const
+{
+  return QSize(160,40);
+}
+
+
+QSizePolicy DiskGauge::sizePolicy() const
+{
+  return QSizePolicy(QSizePolicy::Fixed,QSizePolicy::Fixed);
+}
+
+
+void DiskGauge::update()
+{
+  struct statfs diskstat;
+  statfs(RDConfiguration()->audioRoot().ascii() ,&diskstat);
+  int mins=GetMinutes(diskstat.f_bavail,diskstat.f_bsize);
+  disk_bar->setProgress(mins);
+  disk_space_label->
+    setText(QString().sprintf("%dh %02dm",mins/60,mins-60*(mins/60)));
+}
+
+
+void DiskGauge::resizeEvent(QResizeEvent *e)
+{
+  QFontMetrics *fm=new QFontMetrics(disk_label->font());
+  disk_label->setGeometry(0,0,fm->width(disk_label->text()),size().height()/2);
+  disk_bar->setGeometry(fm->width(disk_label->text())+5,0,
+			size().width()-fm->width(disk_label->text())-10,size().height()/2);
+  disk_space_label->
+    setGeometry(0,size().height()/2,size().width(),size().height()/2);
+  delete fm;
+}
+
+
+int DiskGauge::GetMinutes(long blocks,long block_size)
+{
+  return (int)(((double)blocks*(double)block_size)/
+	       (disk_sample_rate*disk_channels*120.0));
+}