diff options
Diffstat (limited to 'attic/muse2-oom/muse2/awl/floatentry.cpp')
| -rw-r--r-- | attic/muse2-oom/muse2/awl/floatentry.cpp | 321 |
1 files changed, 0 insertions, 321 deletions
diff --git a/attic/muse2-oom/muse2/awl/floatentry.cpp b/attic/muse2-oom/muse2/awl/floatentry.cpp deleted file mode 100644 index 471ec5a0..00000000 --- a/attic/muse2-oom/muse2/awl/floatentry.cpp +++ /dev/null @@ -1,321 +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 "floatentry.h" -#include "fastlog.h" - -#include <QLineEdit> -#include <QMouseEvent> -#include <QTimer> - -#define TIMER1 400 -#define TIMER2 200 -#define TIMEC 7 -#define TIMER3 100 -#define TIMEC2 20 -#define TIMER4 50 - -namespace Awl { - -//--------------------------------------------------------- -// FloatEntry -//--------------------------------------------------------- - -FloatEntry::FloatEntry(QWidget* parent) - : QLineEdit(parent) - { - _id = 0; - _minValue = 0.0; - _maxValue = 1.0; - _log = false; - evx = 1.0; - _precision = 3; - timer = new QTimer(this); - connect(timer, SIGNAL(timeout()), SLOT(repeat())); - _value = 0.0f; - connect(this, SIGNAL(returnPressed()), SLOT(endEdit())); - setCursor(QCursor(Qt::ArrowCursor)); - updateValue(); - } - -//--------------------------------------------------------- -// setString -//--------------------------------------------------------- - -bool FloatEntry::setString(double v) - { - QString s; -// if (v < _minValue || v > _maxValue) { - if (v < _minValue) { - if (!_specialText.isEmpty()) - setText(_specialText); - return true; - } - s.setNum(v, 'f', _precision); - if (!_suffix.isEmpty()) { - // s += " "; - s += _suffix; - } - setText(s); - return false; - } - -//--------------------------------------------------------- -// setSValue -//--------------------------------------------------------- - -void FloatEntry::setSValue(const QString& s) - { - bool ok; - double v = s.toFloat(&ok); - if (ok && (v != _value)) { - if (v < _minValue) - v = _minValue; - if (v > _maxValue) - v = _maxValue; - _value = v; - updateValue(); - valueChange(); - } - } - -//--------------------------------------------------------- -// valueChange -//--------------------------------------------------------- - -void FloatEntry::valueChange() - { - emit valueChanged(value(), _id); - } - -//--------------------------------------------------------- -// incValue -//--------------------------------------------------------- - -void FloatEntry::incValue(double) - { - if (_value + 1.0 < _maxValue) { - _value = _value + 1.0; - updateValue(); - valueChange(); - } - } - -//--------------------------------------------------------- -// decValue -//--------------------------------------------------------- - -void FloatEntry::decValue(double) - { - if (_value - 1.0 > _minValue) { - _value = _value - 1.0; - updateValue(); - valueChange(); - } - } - -//--------------------------------------------------------- -// setPrecision -//--------------------------------------------------------- - -void FloatEntry::setPrecision(int v) - { - _precision = v; - setString(_value); - } - -//--------------------------------------------------------- -// sizeHint -//--------------------------------------------------------- - -QSize FloatEntry::sizeHint() const - { - QFontMetrics fm = fontMetrics(); - int h = fm.height() + 4; - int n = _precision + 3; - int w = fm.width(QString("-0.")) + fm.width('0') * n + 6; - return QSize(w, h); - } - -//--------------------------------------------------------- -// endEdit -//--------------------------------------------------------- - -void FloatEntry::endEdit() - { - if (QLineEdit::isModified()) - setSValue(text()); - clearFocus(); - } - -//--------------------------------------------------------- -// mousePressEvent -//--------------------------------------------------------- - -void FloatEntry::mousePressEvent(QMouseEvent* event) - { - button = event->button(); - starty = event->y(); - evx = double(event->x()); - timecount = 0; - repeat(); - timer->start(TIMER1); - } - -//--------------------------------------------------------- -// wheelEvent -//--------------------------------------------------------- - -void FloatEntry::wheelEvent(QWheelEvent* event) - { - int delta = event->delta(); - - if (delta < 0) - decValue(-1.0); - else if (delta > 0) - incValue(1.0); - } - -//--------------------------------------------------------- -// repeat -//--------------------------------------------------------- - -void FloatEntry::repeat() - { - if (timecount == 1) { - ++timecount; - timer->stop(); - timer->start(TIMER2); - return; - } - ++timecount; - if (timecount == TIMEC) { - timer->stop(); - timer->start(TIMER3); - } - if (timecount == TIMEC2) { - timer->stop(); - timer->start(TIMER4); - } - - switch (button) { - case Qt::LeftButton: - return; - case Qt::MidButton: - decValue(evx); - break; - case Qt::RightButton: - incValue(evx); - break; - default: - break; - } - } - -//--------------------------------------------------------- -// mouseReleaseEvent -//--------------------------------------------------------- - -void FloatEntry::mouseReleaseEvent(QMouseEvent*) - { - button = Qt::NoButton; - timer->stop(); - } - -//--------------------------------------------------------- -// mouseMoveEvent -//--------------------------------------------------------- - -void FloatEntry::mouseMoveEvent(QMouseEvent*) - { - switch (button) { - case Qt::LeftButton: - break; - case Qt::MidButton: - break; - case Qt::RightButton: - break; - default: - break; - } - } - -//--------------------------------------------------------- -// mouseDoubleClickEvent -//--------------------------------------------------------- - -void FloatEntry::mouseDoubleClickEvent(QMouseEvent* event) - { - if (event->button() != Qt::LeftButton) { - mousePressEvent(event); - return; - } - setFocus(); - QLineEdit::setFrame(true); - update(); - } - -//--------------------------------------------------------- -// setValue -//--------------------------------------------------------- - -void FloatEntry::setValue(double val) - { - if (_log) { - if (val == 0.0f) - _value = _minValue; - else - _value = fast_log10(val) * 20.0f; - } - else - _value = val; - updateValue(); - } - -//--------------------------------------------------------- -// updateValue -//--------------------------------------------------------- - -void FloatEntry::updateValue() - { - if (setString(_value)) { - // value is out of range: - if (_value > _maxValue) - _value = _maxValue; - else if (_value < _minValue) - _value = _minValue; - } - } - -//--------------------------------------------------------- -// value -//--------------------------------------------------------- - -double FloatEntry::value() const - { - double rv; - if (_log) - rv = pow(10.0, _value * 0.05f); - else - rv = _value; - return rv; - } -} - |