144 lines
4.9 KiB
C++
Executable file
144 lines
4.9 KiB
C++
Executable file
// For license of this file, see <project-root-folder>/LICENSE.md.
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#include "miscellaneous/iconfactory.h"
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#include "miscellaneous/application.h"
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#include "miscellaneous/settings.h"
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#include <QBuffer>
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IconFactory::IconFactory(QObject* parent) : QObject(parent) {}
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IconFactory::~IconFactory() {
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qDebugNN << LOGSEC_GUI << "Destroying IconFactory instance.";
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}
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QIcon IconFactory::fromByteArray(QByteArray array) {
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array = QByteArray::fromBase64(array);
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QIcon icon;
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QBuffer buffer(&array);
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buffer.open(QIODevice::ReadOnly);
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QDataStream in(&buffer);
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in.setVersion(QDataStream::Qt_4_7);
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in >> icon;
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buffer.close();
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return icon;
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}
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QByteArray IconFactory::toByteArray(const QIcon& icon) {
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QByteArray array;
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QBuffer buffer(&array);
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buffer.open(QIODevice::WriteOnly);
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QDataStream out(&buffer);
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out.setVersion(QDataStream::Qt_4_7);
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out << icon;
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buffer.close();
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return array.toBase64();
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}
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QIcon IconFactory::fromTheme(const QString& name) {
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return QIcon::fromTheme(name);
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}
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QPixmap IconFactory::miscPixmap(const QString& name) {
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return QPixmap(QString(APP_THEME_PATH) + QDir::separator() + "misc" + QDir::separator() + name + ".png");
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}
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QIcon IconFactory::miscIcon(const QString& name) {
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return QIcon(QString(APP_THEME_PATH) + QDir::separator() + "misc" + QDir::separator() + name + ".png");
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}
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void IconFactory::setupSearchPaths() {
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QIcon::setThemeSearchPaths(QIcon::themeSearchPaths()
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<< APP_THEME_PATH
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<< qApp->applicationDirPath() + QDir::separator() + APP_LOCAL_THEME_FOLDER);
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qDebugNN << LOGSEC_GUI
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<< "Available icon theme paths: "
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<< QIcon::themeSearchPaths()
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.replaceInStrings(QRegularExpression(QSL("^|$")), QSL("\'"))
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.replaceInStrings(QRegularExpression(QSL("/")), QDir::separator()).join(QSL(", "));
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}
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void IconFactory::setCurrentIconTheme(const QString& theme_name) {
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qApp->settings()->setValue(GROUP(GUI), GUI::IconTheme, theme_name);
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}
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void IconFactory::loadCurrentIconTheme() {
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const QStringList installed_themes = installedIconThemes();
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const QString theme_name_from_settings = qApp->settings()->value(GROUP(GUI), SETTING(GUI::IconTheme)).toString();
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if (QIcon::themeName() == theme_name_from_settings) {
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qDebugNN << LOGSEC_GUI << "Icon theme '" << theme_name_from_settings << "' already loaded.";
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return;
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}
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// Display list of installed themes.
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qDebugNN << LOGSEC_GUI << "Installed icon themes are: "
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<< QStringList(installed_themes)
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.replaceInStrings(QRegularExpression(QSL("^|$")), QSL("\'"))
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.replaceInStrings(QRegularExpression(QSL("^\\'$")), QSL("\'\'")).join(QSL(", "));
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if (installed_themes.contains(theme_name_from_settings)) {
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// Desired icon theme is installed and can be loaded.
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#if defined(Q_OS_LINUX)
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if (theme_name_from_settings.isEmpty()) {
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qDebugNN << LOGSEC_GUI << "Loading default system icon theme.";
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}
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else {
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qDebugNN << LOGSEC_GUI << "Loading icon theme" << QUOTE_W_SPACE_DOT(theme_name_from_settings);
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QIcon::setThemeName(theme_name_from_settings);
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}
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#else
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qDebugNN << LOGSEC_GUI << "Loading icon theme" << QUOTE_W_SPACE_DOT(theme_name_from_settings);
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QIcon::setThemeName(theme_name_from_settings);
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#endif
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}
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else {
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// Desired icon theme is not currently available.
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// Activate "default" or "no" icon theme instead.
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#if defined(Q_OS_LINUX)
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qWarningNN << "Icon theme"
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<< QUOTE_W_SPACE(theme_name_from_settings)
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<< "cannot be loaded because it is not installed. Activating \"no\" icon theme.";
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#else
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qWarningNN << "Icon theme"
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<< QUOTE_W_SPACE(theme_name_from_settings)
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<< "cannot be loaded because it is not installed. Activating \"no\" icon theme.";
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QIcon::setThemeName(APP_NO_THEME);
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#endif
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}
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}
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QStringList IconFactory::installedIconThemes() const {
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QStringList icon_theme_names; icon_theme_names << APP_NO_THEME;
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// Iterate all directories with icon themes.
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QStringList icon_themes_paths = QIcon::themeSearchPaths();
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QStringList filters_index;
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filters_index.append("index.theme");
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icon_themes_paths.removeDuplicates();
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for (const QString& icon_path : icon_themes_paths) {
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const QDir icon_dir(icon_path);
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// Iterate all icon themes in this directory.
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for (const QFileInfo& icon_theme_path : icon_dir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot |
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QDir::Readable | QDir::CaseSensitive |
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QDir::NoSymLinks,
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QDir::Time)) {
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QDir icon_theme_dir = QDir(icon_theme_path.absoluteFilePath());
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if (icon_theme_dir.exists(filters_index.at(0))) {
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icon_theme_names << icon_theme_dir.dirName();
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}
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}
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}
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icon_theme_names.removeDuplicates();
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return icon_theme_names;
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}
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