214 lines
5.2 KiB
C++
214 lines
5.2 KiB
C++
/** -*- mode: c++ ; c-basic-offset: 2 -*-
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*
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* @file IntParameter.cpp
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*
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* Copyright 2017 Sebastien Fourey
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*
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* This file is part of G'MIC-Qt, a generic plug-in for raster graphics
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* editors, offering hundreds of filters thanks to the underlying G'MIC
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* image processing framework.
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*
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* gmic_qt is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* gmic_qt is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with gmic_qt. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "FilterParameters/IntParameter.h"
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#include <QGridLayout>
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#include <QLabel>
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#include <QPalette>
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#include <QSlider>
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#include <QTimerEvent>
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#include <QWidget>
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#include "DialogSettings.h"
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#include "FilterParameters/CustomSpinBox.h"
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#include "FilterTextTranslator.h"
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#include "Globals.h"
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#include "HtmlTranslator.h"
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#include "Logger.h"
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namespace GmicQt
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{
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IntParameter::IntParameter(QObject * parent) : AbstractParameter(parent), _min(0), _max(0), _default(0), _value(0), _label(nullptr), _slider(nullptr), _spinBox(nullptr)
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{
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_timerId = 0;
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_connected = false;
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}
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IntParameter::~IntParameter()
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{
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delete _spinBox;
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delete _slider;
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delete _label;
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}
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int IntParameter::size() const
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{
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return 1;
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}
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bool IntParameter::addTo(QWidget * widget, int row)
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{
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_grid = dynamic_cast<QGridLayout *>(widget->layout());
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Q_ASSERT_X(_grid, __PRETTY_FUNCTION__, "No grid layout in widget");
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_row = row;
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delete _spinBox;
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delete _slider;
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delete _label;
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_slider = new QSlider(Qt::Horizontal, widget);
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_slider->setMinimumWidth(SLIDER_MIN_WIDTH);
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_slider->setRange(_min, _max);
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_slider->setValue(_value);
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const int delta = 1 + _max - _min;
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if (delta < 20) {
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_slider->setPageStep(1);
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} else {
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const int fact = delta < 100 ? 10 : delta < 1000 ? 100 : delta < 10000 ? 1000 : 10000;
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_slider->setPageStep(fact * (delta / fact) / 10);
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}
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_spinBox = new CustomSpinBox(widget, _min, _max);
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_spinBox->setValue(_value);
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if (DialogSettings::darkThemeEnabled()) {
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QPalette p = _slider->palette();
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p.setColor(QPalette::Button, QColor(100, 100, 100));
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p.setColor(QPalette::Highlight, QColor(130, 130, 130));
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_slider->setPalette(p);
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}
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_grid->addWidget(_label = new QLabel(_name, widget), row, 0, 1, 1);
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_grid->addWidget(_slider, row, 1, 1, 1);
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_grid->addWidget(_spinBox, row, 2, 1, 1);
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connectSliderSpinBox();
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connect(_spinBox, &CustomSpinBox::editingFinished, [this]() { notifyIfRelevant(); });
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return true;
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}
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QString IntParameter::value() const
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{
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return _spinBox->text();
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}
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QString IntParameter::defaultValue() const
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{
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return QString::number(_default);
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}
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void IntParameter::setValue(const QString & value)
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{
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bool ok = true;
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const int k = value.toInt(&ok);
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if (!ok) {
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Logger::warning(QString("IntParameter::setValue(\"%1\"): bad value").arg(value));
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return;
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}
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_value = k;
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if (_spinBox) {
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disconnectSliderSpinBox();
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_spinBox->setValue(_value);
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_slider->setValue(_value);
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connectSliderSpinBox();
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}
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}
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void IntParameter::reset()
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{
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disconnectSliderSpinBox();
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_slider->setValue(_default);
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_spinBox->setValue(_default);
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_value = _default;
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connectSliderSpinBox();
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}
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bool IntParameter::initFromText(const char * text, int & textLength)
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{
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QList<QString> list = parseText("int", text, textLength);
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if (list.isEmpty()) {
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return false;
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}
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_name = HtmlTranslator::html2txt(FilterTextTranslator::translate(list[0]));
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QList<QString> values = list[1].split(QChar(','));
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if (values.size() != 3) {
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return false;
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}
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bool ok1, ok2, ok3;
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_default = values[0].toInt(&ok1);
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_min = values[1].toInt(&ok2);
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_max = values[2].toInt(&ok3);
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_value = _default;
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return ok1 && ok2 && ok3;
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}
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void IntParameter::timerEvent(QTimerEvent * e)
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{
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killTimer(e->timerId());
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_timerId = 0;
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if (!_spinBox->unfinishedKeyboardEditing()) {
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notifyIfRelevant();
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}
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}
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void IntParameter::onSliderMoved(int value)
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{
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if (value != _value) {
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_spinBox->setValue(_value = value);
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}
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}
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void IntParameter::onSliderValueChanged(int value)
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{
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if (value != _value) {
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_spinBox->setValue(_value = value);
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}
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}
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void IntParameter::onSpinBoxChanged(int i)
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{
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_value = i;
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_slider->setValue(i);
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if (_timerId) {
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killTimer(_timerId);
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}
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if (_spinBox->unfinishedKeyboardEditing()) {
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_timerId = 0;
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} else {
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_timerId = startTimer(UPDATE_DELAY);
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}
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}
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void IntParameter::connectSliderSpinBox()
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{
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if (_connected) {
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return;
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}
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connect(_slider, SIGNAL(sliderMoved(int)), this, SLOT(onSliderMoved(int)));
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connect(_slider, SIGNAL(valueChanged(int)), this, SLOT(onSliderValueChanged(int)));
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connect(_spinBox, SIGNAL(valueChanged(int)), this, SLOT(onSpinBoxChanged(int)));
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_connected = true;
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}
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void IntParameter::disconnectSliderSpinBox()
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{
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if (!_connected) {
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return;
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}
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_slider->disconnect(this);
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_spinBox->disconnect(this);
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_connected = false;
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}
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} // namespace GmicQt
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