File indexing completed on 2024-04-21 03:53:22

 /*
     klangbutton.h - Button with language selection drop down menu.
                     Derived from the KLangCombo class by Hans Petter Bieker.
 
     SPDX-FileCopyrightText: 1999-2003 Hans Petter Bieker <bieker@kde.org>
     SPDX-FileCopyrightText: 2001 Martijn Klingens <klingens@kde.org>
     SPDX-FileCopyrightText: 2007 David Jarvie <djarvie@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #ifndef KLANGUAGEBUTTON_H
 #define KLANGUAGEBUTTON_H
 
 #include "kconfigwidgets_export.h"
 #include <QWidget>
 #include <memory>
 
 class QAction;
 class KLanguageButtonPrivate;
 
 /**
  * @class KLanguageButton klanguagebutton.h KLanguageButton
  *
  * KLanguageButton is a pushbutton which allows a language to be selected from
  * a popup list.
  *
  * Languages are identified by their ISO 639-1 codes, e.g. en, pt_BR.
  *
  * \image html klanguagebutton.png "KDE Language Selection Widget"
  *
  * @author Hans Petter Bieker <bieker@kde.org>, Martijn Klingens <klingens@kde.org>,
  *         David Jarvie <djarvie@kde.org>
  */
 class KCONFIGWIDGETS_EXPORT KLanguageButton : public QWidget
 {
     Q_OBJECT
 
 public:
     /**
      * Constructs a button whose text is determined by the current language
      * in the popup list.
      *
      * @param parent the parent of the button
      */
     explicit KLanguageButton(QWidget *parent = nullptr);
 
     /**
      * Constructs a button with static text.
      *
      * @param text the text of the button
      * @param parent the parent of the button
      */
     explicit KLanguageButton(const QString &text, QWidget *parent = nullptr);
 
     /**
      * Deconstructor
      */
     ~KLanguageButton() override;
 
     /**
      * Sets the locale to display language names. By default, QLocale::system().name() is used.
      *
      * @param locale locale to use
      */
     void setLocale(const QString &locale);
 
     /**
      * Sets a static button text.
      *
      * @param text button text
      */
     void setText(const QString &text);
 
     /**
      * Specifies whether language codes should be shown alongside language names
      * in the popup. Calling this method does not affect any previously
      * inserted language texts, so it should normally be called before
      * populating the list.
      *
      * @param show true to show codes, false to hide codes
      */
     void showLanguageCodes(bool show);
 
     /**
      * Load all known languages into the popup list.
      * The current language in the list is set to the default language for the
      * current locale (as modified by setLocale()).
      */
     void loadAllLanguages();
 
     /**
      * Inserts a language into the combo box.
      * Normally the display name of the language is obtained automatically, but
      * if either the language code does not exist, or there are special display
      * requirements, the name of the language can be specified in @p name.
      *
      * @param languageCode the code for the language
      * @param name language name. If empty, the name is obtained automatically.
      * @param index the insertion position, or -1 to insert in alphabetical order
      */
     void insertLanguage(const QString &languageCode, const QString &name = QString(), int index = -1);
 
     /**
      * Inserts a separator item into the combo box. A negative index will append the item.
      *
      * @param index the insertion position
      */
     void insertSeparator(int index = -1);
 
     /**
      * Returns the number of items in the combo box.
      */
     int count() const;
 
     /**
      * Removes all combobox items.
      */
     void clear();
 
     /**
      * Returns the language code of the combobox's current item.
      *
      * @return the current item's language code
      */
     QString current() const;
 
     /**
      * Checks whether the specified language is in the popup list.
      *
      * @param languageCode the language's code
      * @return true if in the list
      */
     bool contains(const QString &languageCode) const;
 
     /**
      * Sets a given language to be the current item.
      *
      * @param languageCode the language's code
      */
     void setCurrentItem(const QString &languageCode);
 
 Q_SIGNALS:
     /**
      * This signal is emitted when a new item is activated.
      *
      * @param languageCode code of the activated language
      */
     void activated(const QString &languageCode);
     /**
      * This signal is emitted when a new item is highlighted.
      *
      * @param languageCode code of the highlighted language
      */
     void highlighted(const QString &languageCode);
 
 private Q_SLOTS:
     KCONFIGWIDGETS_NO_EXPORT void slotTriggered(QAction *action);
     KCONFIGWIDGETS_NO_EXPORT void slotHovered(QAction *action);
 
 private:
     friend class KLanguageButtonPrivate;
     std::unique_ptr<KLanguageButtonPrivate> const d;
 };
 
 #endif