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-rw-r--r--attic/muse_qt4_evolution/awl/mslider.cpp273
1 files changed, 0 insertions, 273 deletions
diff --git a/attic/muse_qt4_evolution/awl/mslider.cpp b/attic/muse_qt4_evolution/awl/mslider.cpp
deleted file mode 100644
index 63c3ea4e..00000000
--- a/attic/muse_qt4_evolution/awl/mslider.cpp
+++ /dev/null
@@ -1,273 +0,0 @@
-//=============================================================================
-// 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 "fastlog.h"
-
-#include "mslider.h"
-
-namespace Awl {
-
-//---------------------------------------------------------
-// MeterSlider
-//---------------------------------------------------------
-
-MeterSlider::MeterSlider(QWidget* parent)
- : VolSlider(parent)
- {
- setAttribute(Qt::WA_NoSystemBackground, true);
-// setAutoFillBackground(true);
- _channel = 0;
- yellowScale = -16; //-10;
- redScale = 0;
- _meterWidth = _scaleWidth * 3;
- setChannel(1);
- setMinimumHeight(50);
- }
-
-//---------------------------------------------------------
-// sizeHint
-//---------------------------------------------------------
-
-QSize MeterSlider::sizeHint() const
- {
- int w = _meterWidth + _scaleWidth + _scaleWidth + 30;
- return orientation() == Qt::Vertical ? QSize(w, 200) : QSize(200, w);
- }
-
-//---------------------------------------------------------
-// setChannel
-//---------------------------------------------------------
-
-void MeterSlider::setChannel(int n)
- {
- if (n > _channel) {
- for (int i = _channel; i < n; ++i) {
- meterval.push_back(0.0f);
- meterPeak.push_back(0.0f);
- }
- }
- _channel = n;
- }
-
-//---------------------------------------------------------
-// setMeterVal
-//---------------------------------------------------------
-
-void MeterSlider::setMeterVal(int channel, double v, double peak)
- {
- bool mustRedraw = false;
- if (meterval[channel] != v) {
- meterval[channel] = v;
- mustRedraw = true;
- }
- if (peak != meterPeak[channel]) {
- meterPeak[channel] = peak;
- mustRedraw = true;
- }
- if (mustRedraw) {
- int kh = sliderSize().height();
- int mh = height() - kh;
- update(20, kh / 2, _meterWidth-1, mh);
- }
- }
-
-//---------------------------------------------------------
-// resetPeaks
-// reset peak and overflow indicator
-//---------------------------------------------------------
-
-void MeterSlider::resetPeaks()
- {
- for (int i = 0; i < _channel; ++i)
- meterPeak[i] = meterval[i];
- update();
- }
-
-//---------------------------------------------------------
-// resizeEvent
-//---------------------------------------------------------
-
-void MeterSlider::resizeEvent(QResizeEvent* /*ev*/)
- {
- int h = height();
- int kh = sliderSize().height();
- int mh = h - kh;
- int mw = _meterWidth / _channel;
-
- onPm = QPixmap(mw, mh);
- offPm = QPixmap(mw, mh);
-
- double range = maxValue() - minValue();
- int h1 = mh - lrint((maxValue() - redScale) * mh / range);
- int h2 = mh - lrint((maxValue() - yellowScale) * mh / range);
-
- QColor yellowRed;
- yellowRed.setHsv(QColor(Qt::yellow).hue()-8,
- QColor(Qt::yellow).saturation(),
- QColor(Qt::yellow).value());
- QColor yellRedRed;
- yellRedRed.setHsv(QColor(Qt::yellow).hue()-16,
- QColor(Qt::yellow).saturation(),
- QColor(Qt::yellow).value());
-
- QLinearGradient linearGrad(QPointF(0, 0), QPointF(0, mh));
- linearGrad.setColorAt(0, Qt::red);
- linearGrad.setColorAt(1-(double)(h1-5)/(double)mh, yellRedRed);
- linearGrad.setColorAt(1-(double)(h1-6)/(double)mh, yellowRed);
- linearGrad.setColorAt(1-(double)h2/(double)mh, Qt::yellow);
- linearGrad.setColorAt(1, Qt::green);
-
- QColor darkYellowRed;
- darkYellowRed.setHsv(QColor(Qt::darkYellow).hue()-8,
- QColor(Qt::darkYellow).saturation(),
- QColor(Qt::darkYellow).value());
- QColor darkYellRedRed;
- darkYellRedRed.setHsv(QColor(Qt::darkYellow).hue()-16,
- QColor(Qt::darkYellow).saturation(),
- QColor(Qt::darkYellow).value());
- QLinearGradient linearDarkGrad(QPointF(0, 0), QPointF(0, mh));
- linearDarkGrad.setColorAt(0, Qt::darkRed);
- linearDarkGrad.setColorAt(1-(double)(h1-5)/(double)mh, darkYellRedRed);
- linearDarkGrad.setColorAt(1-(double)(h1-6)/(double)mh, darkYellowRed);
- linearDarkGrad.setColorAt(1-(double)h2/(double)mh, Qt::darkYellow);
- linearDarkGrad.setColorAt(1, Qt::darkGreen);
-
- QPainter p;
- p.begin(&onPm);
- p.fillRect(0, 0, mw, mh, linearGrad);
- p.end();
- p.begin(&offPm);
- p.fillRect(0, 0, mw, mh, linearDarkGrad);
- p.end();
- }
-
-//---------------------------------------------------------
-// paintEvent
-//---------------------------------------------------------
-
-void MeterSlider::paintEvent(QPaintEvent* ev)
- {
- int pixel = height() - sliderSize().height();
- double range = maxValue() - minValue();
- int ppos = int(pixel * (_value - minValue()) / range);
- if (_invert)
- ppos = pixel - ppos;
-
- QPainter p(this);
- p.setRenderHint(QPainter::Antialiasing, false);
-
- int h = height();
- int kh = sliderSize().height();
-
- //---------------------------------------------------
- // draw meter
- //---------------------------------------------------
-
- int mw = _meterWidth / _channel;
- int x = 20;
- int y1 = kh / 2;
- int y3 = h - y1;
-
- int mh = h - kh;
- p.setPen(QPen(Qt::white, 2));
-
- for (int i = 0; i < _channel; ++i) {
- int h = mh - (lrint(fast_log10(meterval[i]) * -20.0f * mh / range));
- if (h < 0)
- h = 0;
- else if (h > mh)
- h = mh;
-
- p.drawPixmap(x, y1+mh-h, mw, h, onPm, 0, y1+mh-h, mw, h);
- p.drawPixmap(x, y1, mw, mh-h, offPm, 0, y1, mw, mh-h);
-
- //---------------------------------------------------
- // draw peak line
- //---------------------------------------------------
-
- h = mh - (lrint(fast_log10(meterPeak[i]) * -20.0f * mh / range));
- if (h > mh)
- h = mh;
- if (h > 0)
- p.drawLine(x, y3-h, x+mw, y3-h);
-
- x += mw;
- }
-
- // optimize common case:
- if (ev->rect() == QRect(20, kh/2, _meterWidth-1, mh))
- return;
-
- QColor sc(isEnabled() ? _scaleColor : Qt::gray);
- QColor svc(isEnabled() ? _scaleValueColor : Qt::gray);
- p.setBrush(svc);
-
- //---------------------------------------------------
- // draw scale
- //---------------------------------------------------
-
- int y2 = h - (ppos + y1);
- p.fillRect(x, y1, _scaleWidth, y2-y1, sc);
- p.fillRect(x, y2, _scaleWidth, y3-y2, svc);
-
- //---------------------------------------------------
- // draw tick marks
- //---------------------------------------------------
-
- QFont f(p.font());
- f.setPointSize(6);
- p.setFont(f);
- p.setPen(QPen(Qt::darkGray, 2));
- QFontMetrics fm(f);
- int xt = 20 - fm.width("00") - 5;
-
- QString s;
- for (int i = 10; i < 70; i += 10) {
- h = y1 + lrint(i * mh / range);
- s.setNum(i - 10);
- p.drawText(xt, h - 3, s);
- p.drawLine(15, h, 20, h);
- }
-
- //---------------------------------------------------
- // draw slider
- //---------------------------------------------------
-
- x += _scaleWidth/2;
- p.setPen(QPen(svc, 0));
- p.translate(QPointF(x, y2));
- p.setRenderHint(QPainter::Antialiasing, true);
- p.drawPath(*points);
- }
-
-//---------------------------------------------------------
-// mousePressEvent
-//---------------------------------------------------------
-
-void MeterSlider::mousePressEvent(QMouseEvent* ev)
- {
- if (ev->pos().x() < _meterWidth) {
- emit meterClicked();
- return;
- }
- VolSlider::mousePressEvent(ev);
- }
-}
-
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