usersdialog.h

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// SPDX-FileCopyrightText: 2015 Anne Jan Brouwer
// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef SRC_USERSDIALOG_H_
#define SRC_USERSDIALOG_H_
 
#include "appsettings.h"
#include "userinfo.h"
 
#include <QDialog>
#include <QList>
#include <QRegularExpression>
#include <QScopedPointer>
 
namespace Ui {
class UsersDialog;
}
 
class Pass;
class QKeyEvent;
class QListWidgetItem;

class UsersDialog : public QDialog {
  Q_OBJECT
 
public:
  enum class Preselect {
    FromList, 
    Nothing,  
  };

  explicit UsersDialog(Pass *pass, const AppSettings &s, QString dir,
                       QWidget *parent = nullptr);
  UsersDialog(Pass *pass, const AppSettings &s, QString dir,
              Preselect preselect, QWidget *parent = nullptr);
  ~UsersDialog() override;

  void setInitOnAccept(bool initOnAccept) { m_initOnAccept = initOnAccept; }

  [[nodiscard]] auto selectedUsers() const -> QList<UserInfo> {
    return m_userList;
  }

  [[nodiscard]] auto hasSelection() const -> bool;
 
public slots:
  void accept() override;
 
protected:
  void keyPressEvent(QKeyEvent *event) override;
 
private slots:
  void itemChange(QListWidgetItem *item);
  void on_lineEdit_textChanged(const QString &filter);
  void on_checkBox_clicked();
  void on_importKeyButton_clicked();
  void selectImportedKey(const QString &importedKey);
 
private:
  QScopedPointer<Ui::UsersDialog> ui;
  Pass *m_pass;               
  QString m_passStore;        
  QString m_gpgExe;           
  QList<UserInfo> m_userList; 
  bool m_initOnAccept{true};  
  void updateOkButton();
  QString m_dir;                               
  Preselect m_preselect = Preselect::FromList; 
  QString m_lastFilter;                  
  QString m_cachedPatternString;         
  QRegularExpression m_cachedNameFilter; 
  mutable QDateTime m_cachedCurrentDateTime; 
  mutable bool m_cachedDateTimeValid =
      false; 

  void restoreDialogState();

  void connectSignals();

  auto loadGpgKeys() -> bool;

  void markSecretKeys(QList<UserInfo> &users);

  void loadRecipients();
  void showRecipientWarning(const QString &text);
  void selectRecipients(const QStringList &recipients);

  void populateList(const QString &filter = QString());
  bool passesFilter(const UserInfo &user, const QString &filter,
                    const QRegularExpression &nameFilter) const;
  auto isUserExpired(const UserInfo &user) const -> bool;
  QString buildUserText(const UserInfo &user) const;
  void applyUserStyling(QListWidgetItem *item, const UserInfo &user) const;
};
 
#endif // SRC_USERSDIALOG_H_