From e40fc849149dd97c248866a4a1d026dda5e57b62 Mon Sep 17 00:00:00 2001 From: Robert Jonsson Date: Mon, 7 Mar 2011 19:01:11 +0000 Subject: clean3 --- attic/muse_qt4_evolution/awl/tempoedit.cpp | 88 ++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 attic/muse_qt4_evolution/awl/tempoedit.cpp (limited to 'attic/muse_qt4_evolution/awl/tempoedit.cpp') diff --git a/attic/muse_qt4_evolution/awl/tempoedit.cpp b/attic/muse_qt4_evolution/awl/tempoedit.cpp new file mode 100644 index 00000000..d7dbac81 --- /dev/null +++ b/attic/muse_qt4_evolution/awl/tempoedit.cpp @@ -0,0 +1,88 @@ +//============================================================================= +// 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 "tempoedit.h" + +namespace Awl { + +//--------------------------------------------------------- +// TempoEdit +//--------------------------------------------------------- + +TempoEdit::TempoEdit(QWidget* parent) + : QDoubleSpinBox(parent) + { + curVal = -1.0; + setSingleStep(1.0); + setRange(30.0, 600.0); + connect(this, SIGNAL(valueChanged(double)), SLOT(newValue(double))); + } + +//--------------------------------------------------------- +// sizeHint +//--------------------------------------------------------- + +QSize TempoEdit::sizeHint() const + { + QFontMetrics fm(font()); + int fw = style()->pixelMetric(QStyle::PM_DefaultFrameWidth); + int h = fm.height() + fw * 2; + int w = 2 + fm.width(QString("000.00")) + fw * 4 + 30; + return QSize(w, h).expandedTo(QApplication::globalStrut()); + } + +//--------------------------------------------------------- +// newValue +//--------------------------------------------------------- + +void TempoEdit::newValue(double val) + { + if (val != curVal) { + curVal = val; + emit tempoChanged(tempo()); + } + } + +//--------------------------------------------------------- +// setTempo +//--------------------------------------------------------- + +void TempoEdit::setTempo(int val) + { + double d = 60000000.0/double(val); + if (d != curVal) { + curVal = d; + blockSignals(true); + setValue(d); + blockSignals(false); + } + } + +//--------------------------------------------------------- +// tempo +//--------------------------------------------------------- + +int TempoEdit::tempo() const + { + return lrint(60000000.0/value()); + } + +} + -- cgit v1.2.3