1 files changed, 83 insertions, 0 deletions
diff --git a/src/ui/widgets/HelpPage.cpp b/src/ui/widgets/HelpPage.cpp
new file mode 100644
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+++ b/src/ui/widgets/HelpPage.cpp
@@ -0,0 +1,83 @@
+/**
+ * This file is part of GPGFrontend.
+ *
+ * GPGFrontend 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.
+ *
+ * Foobar 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 Foobar.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from gpg4usb-team.
+ * Their source code version also complies with GNU General Public License.
+ *
+ * The source code version of this software was modified and released
+ * by Saturneric<[email protected]> starting on May 12, 2021.
+ *
+ */
+
+#include "ui/widgets/HelpPage.h"
+
+#include <utility>
+
+HelpPage::HelpPage(const QString &path, QWidget *parent) :
+        QWidget(parent) {
+
+    browser = new QTextBrowser();
+    auto *mainLayout = new QVBoxLayout();
+    mainLayout->setSpacing(0);
+    mainLayout->addWidget(browser);
+    mainLayout->setContentsMargins(0, 0, 0, 0);
+    setLayout(mainLayout);
+
+    connect(browser, SIGNAL(anchorClicked(QUrl)), this, SLOT(slotOpenUrl(QUrl)));
+    browser->setOpenLinks(false);
+    browser->setSource(localizedHelp(QUrl(path)));
+    browser->setFocus();
+
+}
+
+void HelpPage::slotOpenUrl(const QUrl &url) {
+    browser->setSource(localizedHelp(url));
+};
+
+/**
+ * @brief HelpPage::localizedHelp
+ * check if the requested file is also available with the locale,
+ * e.g. return index.de.html if index.html was requested but the
+ * locale is de and index.de.html is available
+ * @param url
+ * @return
+ */
+QUrl HelpPage::localizedHelp(const QUrl &url) {
+    QString path = url.toLocalFile();
+    QString filename = path.mid(path.lastIndexOf("/") + 1);
+    QString filepath = path.left(path.lastIndexOf("/") + 1);
+    QStringList fileparts = filename.split(".");
+
+    //QSettings settings;
+    QString lang = QSettings().value("int/lang", QLocale::system().name()).toString();
+    if (lang.isEmpty()) {
+        lang = QLocale::system().name();
+    }
+
+    fileparts.insert(1, lang);
+    QString langfile = filepath + fileparts.join(".");
+
+    if (QFile(QUrl(langfile).toLocalFile()).exists()) {
+        return langfile;
+    } else {
+        return path;
+    }
+
+}
+
+QTextBrowser *HelpPage::getBrowser() {
+    return browser;
+}