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settings.cpp
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settings.cpp
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/*
Copyright 2023 Sergey Levin <serjth@levz.dev>
This file is part of Image Finder.
Image Finder is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Image Finder 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 Image Finder. If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
*/
#include "settings.h"
#include "logging.h"
#include <QApplication>
#include <QStandardPaths>
#include <QUrl>
#ifdef Q_OS_MACOS
namespace SecurityScopedURL {
/// macOS security scoped url handlers
extern bool store(QSettings &s, const QString &key, const QString &filePath, uint maxCount = 1);
extern QStringList restore(QSettings &s, const QString &key);
extern void startAccess(QSettings &s, const QString &key, const QString &fileName);
extern void stopAccess(QSettings &s, const QString &key, const QString &fileName);
} // namespace SecurityScopedURL
#endif
namespace {
static const int WIDTH_DEFAULT = 800;
static const char WIDTH[] = "width";
static const int HEIGHT_DEFAULT = 800;
static const char HEIGHT[] = "height";
static const bool RECURSIVE_DEFAULT = true;
static const char RECURSIVE[] = "recursive";
static const int PREVIEW_SIZE_DEFAULT = 64;
static const char PREVIEW_SIZE[] = "previewSize";
static const char PATH[] = "path";
static const char MATCH_NAMES[] = "matchNames";
static const QRgb BACKGROUND_DEFAULT = qRgb(220, 220, 220); // Gray
static const char BACKGROUND[] = "background";
struct Str {
const QString PATH_DEFAULT = QStandardPaths::standardLocations(QStandardPaths::PicturesLocation).value(0);
const QStringList MATCH_NAMES_DEFAULT = {};
};
Q_GLOBAL_STATIC(Str, str)
template<typename T>
void set(T &target, const T &value, const std::function<void()> &signal) {
if (target != value) {
target = value;
signal();
}
}
template<typename T>
void init(Settings &s, const QString &id, T &target, const T &defaultValue) {
const QVariant v = s.value(id, defaultValue);
target = v.value<T>();
if (!s.contains(id))
s.setValue(id, defaultValue);
}
} // namespace
Settings::Settings():
QSettings(QSettings::IniFormat, QSettings::UserScope, qApp->organizationName(), qApp->applicationName())
{
qCDebug(Log::main) << "Settings file:" << fileName() << QStandardPaths::standardLocations(QStandardPaths::PicturesLocation);
init(*this, WIDTH, mWidth, WIDTH_DEFAULT);
init(*this, HEIGHT, mHeight, HEIGHT_DEFAULT);
init(*this, RECURSIVE, mRecursive, RECURSIVE_DEFAULT);
init(*this, PREVIEW_SIZE, mPreviewSize, PREVIEW_SIZE_DEFAULT);
init(*this, MATCH_NAMES, mMatchNames, str->MATCH_NAMES_DEFAULT);
init(*this, BACKGROUND, mBackground, BACKGROUND_DEFAULT);
#ifdef Q_OS_OSX
// MEMO: No default path for macOS (ref. Entitlements.plist)
const QStringList files = SecurityScopedURL::restore(*this, PATH);
if (!files.isEmpty())
mPath = files.first();
SecurityScopedURL::startAccess(*this, PATH, mPath);
#else
init(*this, PATH, mPath, str->PATH_DEFAULT);
#endif
}
Settings::~Settings()
{
save();
}
void Settings::save()
{
qCDebug(Log::main) << "Saving settings...";
setValue(WIDTH, mWidth);
setValue(HEIGHT, mHeight);
setValue(RECURSIVE, mRecursive);
setValue(PREVIEW_SIZE, mPreviewSize);
setValue(MATCH_NAMES, mMatchNames);
setValue(BACKGROUND, mBackground);
#ifdef Q_OS_MACOS
SecurityScopedURL::store(*this, PATH, mPath);
#else
setValue(PATH, mPath);
#endif
sync();
}
void Settings::setPreviewSize(int value)
{
set(mPreviewSize, value, [this] { emit previewSizeChanged(); });
}
void Settings::setWidth(int value)
{
set(mWidth, value, [this] { emit widthChanged(); });
}
void Settings::setHeight(int value)
{
set(mHeight, value, [this] { emit heightChanged(); });
}
void Settings::setRecursive(bool value)
{
set(mRecursive, value, [this] { emit recursiveChanged(mRecursive); });
}
void Settings::setBackground(const QColor &value)
{
set(mBackground, value.rgb(), [this] { emit backgroundChanged(); });
}
void Settings::setPath(const QUrl &url)
{
if (url.isLocalFile()) {
const QString value = url.toLocalFile();
set(mPath, value, [this, value] {
#ifdef Q_OS_OSX
SecurityScopedURL::stopAccess(*this, PATH, value);
SecurityScopedURL::store(*this, PATH, mPath);
SecurityScopedURL::startAccess(*this, PATH, mPath);
#endif
emit pathChanged(mPath);
});
} else {
qCDebug(Log::main) << "Provided path is not local:" << url;
}
}
void Settings::setMatchNames(QStringList values)
{
values.removeAll({});
values.removeDuplicates();
set(mMatchNames, values, [this] { emit matchNamesChanged(mMatchNames); });
}