78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
#include "settingsdialog.h"
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#include <QFormLayout>
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#include <QDialogButtonBox>
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#include <QLabel>
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#include <QSettings>
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#include "rawimage.h"
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extern int DEFAULT_WIDTH;
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class EvenNumber : public QSpinBox
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{
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public:
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explicit EvenNumber(QWidget *parent) : QSpinBox(parent){}
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protected:
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QValidator::State validate(QString &text, int &) const
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{
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bool ok;
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int val = text.toInt(&ok);
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if(ok && (val & 1) == 0)return QValidator::Acceptable;
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if(ok)return QValidator::Intermediate;
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return QValidator::Invalid;
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}
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void fixup(QString &input) const
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{
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bool ok;
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int val = input.toInt(&ok);
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val -= val & 1;
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input = QString::number(val);
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}
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};
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SettingsDialog::SettingsDialog(QWidget *parent) : QDialog(parent)
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{
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QFormLayout *layout = new QFormLayout(this);
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setWindowTitle(tr("Settings"));
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QSettings settings;
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m_preloadImages = new QSpinBox(this);
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m_preloadImages->setRange(0, 8);
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m_preloadImages->setValue(settings.value("settings/preloadimagecount", DEFAULT_WIDTH).toInt());
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m_preloadImages->setToolTip(tr("How many images are preloaded before and after current image."));
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m_thumSize = new EvenNumber(this);
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m_thumSize->setRange(64, 512);
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m_thumSize->setSingleStep(2);
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m_thumSize->setValue(settings.value("settings/thumnailsize", THUMB_SIZE).toInt());
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m_thumSize->setToolTip(tr("Thumbnail size in pixels"));
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layout->addRow(tr("Image preload count"), m_preloadImages);
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layout->addRow(tr("Thumbnails size"), m_thumSize);
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layout->addRow(new QLabel(tr("Changes in settings will take effect after program restart.")));
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QDialogButtonBox *buttonBox = new QDialogButtonBox(this);
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buttonBox->setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
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connect(buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
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connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
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connect(this, &QDialog::accepted, this, &SettingsDialog::saveSettings);
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layout->addRow(buttonBox);
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}
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void SettingsDialog::loadSettings()
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{
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QSettings settings;
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THUMB_SIZE = settings.value("settings/thumbnailsize", THUMB_SIZE).toInt();
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THUMB_SIZE_BORDER = THUMB_SIZE + 10;
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THUMB_SIZE_BORDER_Y = THUMB_SIZE + 30;
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DEFAULT_WIDTH = settings.value("settings/preloadimagecount", DEFAULT_WIDTH).toInt();
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}
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void SettingsDialog::saveSettings()
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{
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QSettings settings;
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settings.setValue("settings/thumbnailsize", m_thumSize->value());
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settings.setValue("settings/preloadimagecount", m_preloadImages->value());
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}
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