Added AWL files

1 files changed, 130 insertions, 0 deletions

diff --git a/muse2/awl/drawbar.cpp b/muse2/awl/drawbar.cpp
new file mode 100644
index 00000000..18525ded
--- /dev/null
+++ b/muse2/awl/drawbar.cpp
@@ -0,0 +1,130 @@
+//=============================================================================
+//  Awl
+//  Audio Widget Library
+//  $Id:$
+//
+//  Copyright (C) 2007 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 "drawbar.h"
+
+namespace Awl {
+
+#if 0
+      }
+#endif
+
+//---------------------------------------------------------
+//   Drawbar
+//---------------------------------------------------------
+
+Drawbar::Drawbar(QWidget* parent)
+   : Slider(parent)
+      {
+      _sliderColor = Qt::darkGray;
+      setOrientation(Qt::Vertical);
+      setInvertedAppearance(true);
+      setRange(0.0, 8.0);
+      setLineStep(1.0);
+      setPageStep(1.0);
+      setInteger(true);
+      }
+
+Drawbar::~Drawbar()
+      {
+      }
+
+//---------------------------------------------------------
+//   setSliderColor
+//---------------------------------------------------------
+
+void Drawbar::setSliderColor(const QColor& c)
+      {
+      if (c != _sliderColor) {
+            _sliderColor = c;
+            update();
+            }
+      }
+
+//---------------------------------------------------------
+//   paint
+//---------------------------------------------------------
+
+void Drawbar::paintEvent(QPaintEvent*)
+      {
+      int h   = height();
+      int w   = width();
+
+      int kh    = w * 2;            // knob height
+      int kw    = w;
+      int pixel = h - kh;
+      int ppos = int(pixel * value() / 8.0);
+
+      QPainter p(this);
+
+      QColor sc(Qt::darkGray);
+      QColor svc(Qt::gray);
+
+      p.setBrush(svc);
+
+      //---------------------------------------------------
+      //    draw scale
+      //---------------------------------------------------
+
+      int sx = (w + 9) / 10;
+      int sw = w - 2 * sx;
+      p.fillRect(sx, 0, sw, ppos, sc);
+      QPen pen(Qt::white);
+      int lw = 2;
+      pen.setWidth(lw);
+      p.setPen(pen);
+      int sx1 = sx + lw/2;
+      p.drawLine(sx1, 0, sx1, ppos);
+      int sx2 = sx + sw - lw/2;
+      p.drawLine(sx2, 0, sx2, ppos);
+
+      //---------------------------------------------------
+      //    draw numbers
+      //---------------------------------------------------
+
+      p.save();
+      p.setClipRect(QRect(sx, 0, sw, ppos));
+      QFont f = p.font();
+      f.setPixelSize(8);
+
+      int ch = pixel / 8;
+      QString num("%1");
+      for (int i = 0; i < 8; ++i) {
+            p.drawText(0, i * pixel / 8 - (pixel - ppos), w, ch, Qt::AlignCenter, num.arg(8-i));
+            }
+      p.restore();
+
+      //---------------------------------------------------
+      //    draw slider
+      //---------------------------------------------------
+
+      p.fillRect(0, ppos, kw, kh, _sliderColor);
+
+      pen.setWidth(1);
+      pen.setColor(Qt::black);
+      p.setPen(pen);
+
+      int y1 = ppos + kh / 5 * 2;
+      int y2 = ppos + kh / 5 * 3;
+      p.drawLine(0, y1, kw, y1);
+      p.drawLine(0, y2, kw, y2);
+      }
+}
+