Allow to change key expiry date.

Select new date in a popup. Controlled by a specific configuration flag.

PopupExpiryTime.h

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+/* 
+ * File:   PopupExpiryTime.h
+ * Author: SET - nmset@yandex.com
+ * License : GPL v2
+ * Copyright SET - © 2019
+ *
+ * Created on November 7, 2020, 6:05 PM
+ */
+
+#ifndef POPUPEXPIRYTIME_H
+#define POPUPEXPIRYTIME_H
+
+#include <Wt/WPopupWidget.h>
+#include <Wt/WContainerWidget.h>
+#include <Wt/WDateEdit.h>
+#include <Wt/WLineEdit.h>
+#include <Wt/WPushButton.h>
+#include "TransientMessageWidget.h"
+
+using namespace Wt;
+
+class PopupExpiryTime : public WPopupWidget
+{
+public:
+    PopupExpiryTime(WWidget * anchorWidget, TransientMessageWidget * txtMessage,
+                       const WLength& width = 300);
+    virtual ~PopupExpiryTime();
+    void Create(const WString& keyFpr);
+    /**
+     * Controls visibility of passphrase widgets.
+     * \n Need not be always visible as the passphrase is cached by gpg-agent.
+     * \n During that caching period, a wrong input passphrase will not be looked
+     * for by GPG engine, and may be confusing.
+     * @param show
+     */
+    void ShowPassphrase(bool show = true);
+    /**
+     * Used to forward the passphrase to the loopback passphrase provider.
+     * @return 
+     */
+    const string GetPassphrase()
+    {
+        return m_lePassphrase->text().toUTF8();
+    }
+    /**
+     * Returns the new expiry date.
+     */
+    const std::string GetExpiryTime() const;
+    /**
+     * Caller binds its function here.
+     * @return 
+     */
+    WPushButton* GetApplyButton()
+    {
+        return m_btnApply;
+    }
+    
+private:
+    TransientMessageWidget * m_tmwMessage;
+    WContainerWidget * m_cwMain;
+    WDateEdit * m_deExpiry;
+    WLineEdit * m_lePassphrase;
+    WPushButton * m_btnApply;
+    WText * m_lblPassphrase;
+    WString m_keyFpr;
+
+};
+
+#endif /* POPUPEXPIRYTIME_H */
+