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-rw-r--r--muse2/awl/tempolabel.cpp72
1 files changed, 72 insertions, 0 deletions
diff --git a/muse2/awl/tempolabel.cpp b/muse2/awl/tempolabel.cpp
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+//=============================================================================
+// Awl
+// Audio Widget Library
+// $Id:$
+//
+// Copyright (C) 2002-2006 by Werner Schweer and others
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2.
+//
+// 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 "tempolabel.h"
+
+namespace Awl {
+
+//---------------------------------------------------------
+// TempoLabel
+//---------------------------------------------------------
+
+TempoLabel::TempoLabel(QWidget* parent)
+ : QLabel(parent)
+ {
+ setFrameStyle(WinPanel | Sunken);
+ setLineWidth(2);
+ setMidLineWidth(3);
+ _value = 1.0;
+ setValue(0.0);
+ setIndent(3);
+ setMinimumSize(sizeHint());
+ }
+
+//---------------------------------------------------------
+// setVal
+//---------------------------------------------------------
+
+void TempoLabel::setValue(int val)
+ {
+ setValue(double(val/1000.0));
+ }
+
+void TempoLabel::setValue(double val)
+ {
+ if (val == _value)
+ return;
+ _value = val;
+ QString s = QString("%1").arg(val, 3, 'f', 2);
+ setText(s);
+ }
+
+//---------------------------------------------------------
+// sizeHint
+//---------------------------------------------------------
+
+QSize TempoLabel::sizeHint() const
+ {
+ QFontMetrics fm(font());
+ int fw = 4;
+ int h = fm.height() + fw * 2;
+ int w = 6 + fm.width(QString("000.00")) + fw * 2; // 6=indent
+ return QSize(w, h).expandedTo(QApplication::globalStrut());
+ }
+}
+