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-rw-r--r--attic/muse_qt4_evolution/awl/drawbar.cpp130
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diff --git a/attic/muse_qt4_evolution/awl/drawbar.cpp b/attic/muse_qt4_evolution/awl/drawbar.cpp
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--- a/attic/muse_qt4_evolution/awl/drawbar.cpp
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-//=============================================================================
-// 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);
- }
-}
-