From e40fc849149dd97c248866a4a1d026dda5e57b62 Mon Sep 17 00:00:00 2001 From: Robert Jonsson Date: Mon, 7 Mar 2011 19:01:11 +0000 Subject: clean3 --- muse_qt4_evolution/awl/knob.cpp | 281 ---------------------------------------- 1 file changed, 281 deletions(-) delete mode 100644 muse_qt4_evolution/awl/knob.cpp (limited to 'muse_qt4_evolution/awl/knob.cpp') diff --git a/muse_qt4_evolution/awl/knob.cpp b/muse_qt4_evolution/awl/knob.cpp deleted file mode 100644 index ccc3988e..00000000 --- a/muse_qt4_evolution/awl/knob.cpp +++ /dev/null @@ -1,281 +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 "knob.h" - -namespace Awl { - -//--------------------------------------------------------- -// Knob -/// this is the AwlKnob contructor -//--------------------------------------------------------- - -Knob::Knob(QWidget* parent) - : AbstractSlider(parent) - { - _scaleSize = 270; - _markSize = 6; - _border = 2; - points = 0; - } - -//--------------------------------------------------------- -// Knob -//--------------------------------------------------------- - -Knob::~Knob() - { - if (points) - delete points; - } - -//--------------------------------------------------------- -// setText -//--------------------------------------------------------- - -void Knob::setText(const QString& s) - { - if (s != _text) { - _text = s; - update(); - } - } - -//--------------------------------------------------------- -// setScaleSize -//! set the scale size in degrees -// -//! the scale size is the max moving angle measured -//! in degrees -//--------------------------------------------------------- - -void Knob::setScaleSize(int val) - { - if (val != _scaleSize) { - _scaleSize = val; - update(); - } - } - -//--------------------------------------------------------- -// setMarkSize -//! set size of the center marker -//--------------------------------------------------------- - -void Knob::setMarkSize(int val) - { - if (val != _markSize) { - _markSize = val; - update(); - } - } - -//--------------------------------------------------------- -// setBorder -//! set border size -//--------------------------------------------------------- - -void Knob::setBorder(int val) - { - if (val != _border) { - _border = val; - update(); - } - } - -//--------------------------------------------------------- -// mousePressEvent -//--------------------------------------------------------- - -void Knob::mousePressEvent(QMouseEvent* ev) - { - startY = ev->y(); - emit sliderPressed(_id); - if (_center) { - QRect r(points->boundingRect().toRect()); - if (r.contains(ev->pos())) { - setValue(.0f); - valueChange(); - update(); - } - } - } - -//--------------------------------------------------------- -// mouseReleaseEvent -//--------------------------------------------------------- - -void Knob::mouseReleaseEvent(QMouseEvent*) - { - emit sliderReleased(_id); - } - -//--------------------------------------------------------- -// mouseMoveEvent -//--------------------------------------------------------- - -void Knob::mouseMoveEvent(QMouseEvent* ev) - { - int y = ev->y(); - double delta = (maxValue() - minValue()) / 100.0f; - if (delta == 0) - delta = 1; - _value += (startY - y) * delta; - if (_value < minValue()) - _value = _minValue; - else if (_value > maxValue()) - _value = _maxValue; - startY = y; - valueChange(); - update(); - } - -//--------------------------------------------------------- -// paintEvent -//--------------------------------------------------------- - -void Knob::paintEvent(QPaintEvent* ev) - { - QRect rr(ev->rect()); - QPainter p(this); - p.setRenderHint(QPainter::Antialiasing, true); - - int markSize2 = _markSize/2; - int restR = 360 - _scaleSize; - int w = width() - _scaleWidth - 2 * _border; - int h = height() - _scaleWidth/2 - 2 * _border; - - int xoffset, yoffset; - if (_center) - h -= _markSize; - if (w > h) { - yoffset = 0; - xoffset = (w - h) / 2; - w = h; - } - else { - xoffset = 0; - // yoffset = (h - w) / 2; // center - yoffset = h - w; // top align - h = w; - } - - int x = xoffset + _scaleWidth / 2 + _border; - int y = yoffset + _scaleWidth / 2 + _border + (_center ? _markSize+_scaleWidth/2 : 0); - QRectF ar(x, y, w, h); - - QColor sc(isEnabled() ? _scaleColor : Qt::gray); - QColor svc(isEnabled() ? _scaleValueColor : Qt::gray); - - //----------------------------------------- - // draw arc - //----------------------------------------- - - double dvalue = maxValue() - minValue(); - if (_center) { - int size = _scaleSize * 8; - if (_value >= 0) { - int offset = (restR-180) * 8; - int r1 = int (size * _value / maxValue()); - int r2 = size - r1; - p.setPen(QPen(sc, _scaleWidth)); - if (r2 > 1) - p.drawArc(ar, offset, r2); - if (size > 1) - p.drawArc(ar, 90*16, size); - if (r1 > 1) { - p.setPen(QPen(svc, _scaleWidth)); - p.drawArc(ar, offset+r2, r1); - } - } - else { - // int offset = (restR+180) * 8; - int r1 = int(size * _value / minValue()); - int r2 = size - r1; - - p.setPen(QPen(sc, _scaleWidth)); - if (size > 1) - p.drawArc(ar, (restR-180)*8, size); - if (r2 > 1) - p.drawArc(ar, 90 * 16 + r1, r2); - if (r1 > 1) { - p.setPen(QPen(svc, _scaleWidth)); - p.drawArc(ar, 90*16, r1); - } - } - } - else { - int offset = (180-restR) * 8; - int size = _scaleSize * 16; - int r1 = int(size * (_value - minValue()) / dvalue); - int r2 = size - r1; - if (r2 >= 1) { - p.setPen(QPen(sc, _scaleWidth)); - p.drawArc(ar, -offset, r2); - } - if (r1 >= 1) { - p.setPen(QPen(svc, _scaleWidth)); - p.drawArc(ar, r2-offset, r1); - } - } - - //----------------------------------------- - // draw pointer - //----------------------------------------- - - p.setPen(QPen(svc, _scaleWidth)); - double r1 = double(_scaleSize) * (_value-minValue()) / dvalue + 90.0 - + double(restR/2); - r1 = r1 / 180.0 * M_PI; // convert to radians - int rd = w/2; - int x1 = x + rd; - int y1 = y + rd; - int x2 = x1 + lrint(cos(r1) * double(rd)); - int y2 = y1 + lrint(sin(r1) * double(rd)); - p.drawLine(x1, y1, x2, y2); - - //----------------------------------------- - // draw center mark - //----------------------------------------- - - p.setPen(QPen(svc, 0)); - p.setBrush(svc); - if (_center) { - if (points) - delete points; - qreal x = ar.width() / 2 + ar.x(); - qreal y = ar.y() - _markSize - _scaleWidth/2; - points = new QPainterPath(QPointF(x - markSize2, y)); - points->lineTo(x + markSize2, y); - points->lineTo(x, _markSize + y); - points->closeSubpath(); - p.drawPath(*points); - } - - //----------------------------------------- - // draw text - //----------------------------------------- - - if (!_text.isEmpty()) { - p.drawText(rect(), Qt::AlignBottom | Qt::AlignHCenter, _text); - } - } -} - -- cgit v1.2.3