139 lines
4.3 KiB
C++
139 lines
4.3 KiB
C++
/*
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* Strawberry Music Player
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* Copyright 2013, 2017-2021, Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry 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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* Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <QDir>
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#include <QFile>
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#include <QList>
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#include <QString>
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#include <QIcon>
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#include <QSize>
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#include <QStandardPaths>
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#include <QSettings>
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#include "core/logging.h"
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#include "iconmapper.h"
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#include "settings/appearancesettingspage.h"
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#include "iconloader.h"
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bool IconLoader::system_icons_ = false;
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bool IconLoader::custom_icons_ = false;
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void IconLoader::Init() {
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#if !defined(Q_OS_MACOS) && !defined(Q_OS_WIN)
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QSettings s;
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s.beginGroup(AppearanceSettingsPage::kSettingsGroup);
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system_icons_ = s.value("system_icons", false).toBool();
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s.endGroup();
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#endif
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QDir dir;
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if (dir.exists(QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation) + "/icons")) {
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custom_icons_ = true;
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}
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}
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QIcon IconLoader::Load(const QString &name, const int fixed_size, const int min_size, const int max_size) {
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QIcon ret;
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if (name.isEmpty()) {
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qLog(Error) << "Icon name is empty!";
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return ret;
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}
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QList<int> sizes;
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if (fixed_size == 0) {
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sizes << 22 << 32 << 48 << 64;
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}
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else {
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sizes << fixed_size;
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}
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if (system_icons_) {
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IconMapper::IconProperties icon_prop;
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if (IconMapper::iconmapper_.contains(name)) {
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icon_prop = IconMapper::iconmapper_[name];
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}
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if (min_size != 0) icon_prop.min_size = min_size;
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if (max_size != 0) icon_prop.max_size = max_size;
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if (icon_prop.allow_system_icon) {
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ret = QIcon::fromTheme(name);
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if (ret.isNull()) {
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for (const QString &alt_name : icon_prop.names) {
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ret = QIcon::fromTheme(alt_name);
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if (!ret.isNull()) break;
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}
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if (ret.isNull()) {
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qLog(Warning) << "Couldn't load icon" << name << "from system theme icons.";
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}
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}
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if (!ret.isNull()) {
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if (fixed_size != 0 && !ret.availableSizes().contains(QSize(fixed_size, fixed_size))) {
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qLog(Warning) << "Can't use system icon for" << name << "icon does not have fixed size." << fixed_size;
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ret = QIcon();
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}
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else {
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int size_smallest = 0;
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int size_largest = 0;
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for (const QSize &s : ret.availableSizes()) {
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if (s.width() != s.height()) {
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qLog(Warning) << "Can't use system icon for" << name << "icon is not proportional.";
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ret = QIcon();
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}
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if (size_smallest == 0 || s.width() < size_smallest) size_smallest = s.width();
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if (s.width() > size_largest) size_largest = s.width();
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}
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if (size_smallest != 0 && icon_prop.min_size != 0 && size_smallest < icon_prop.min_size) {
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qLog(Warning) << "Can't use system icon for" << name << "icon too small." << size_smallest;
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ret = QIcon();
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}
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else if (size_largest != 0 && icon_prop.max_size != 0 && size_largest > icon_prop.max_size) {
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qLog(Warning) << "Can't use system icon for" << name << "icon too large." << size_largest;
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ret = QIcon();
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}
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}
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}
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}
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if (!ret.isNull()) return ret;
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}
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if (custom_icons_) {
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QString custom_icon_path = QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation) + "/icons/%1x%2/%3.png";
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for (int s : sizes) {
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QString filename(custom_icon_path.arg(s).arg(s).arg(name));
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if (QFile::exists(filename)) ret.addFile(filename, QSize(s, s));
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}
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if (!ret.isNull()) return ret;
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qLog(Warning) << "Couldn't load icon" << name << "from custom icons.";
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}
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const QString path(":/icons/%1x%2/%3.png");
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for (int s : sizes) {
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QString filename(path.arg(s).arg(s).arg(name));
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if (QFile::exists(filename)) ret.addFile(filename, QSize(s, s));
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}
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return ret;
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}
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