File indexing completed on 2024-04-28 03:59:09

 /*
     SPDX-FileCopyrightText: 2001, 2002, 2003 Joseph Wenninger <jowenn@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #ifndef _KMultitabbar_h_
 #define _KMultitabbar_h_
 
 #include <QPushButton>
 #include <QString>
 #include <memory>
 
 #include <kwidgetsaddons_export.h>
 
 class QPixmap;
 class QMenu;
 class QStyleOptionToolButton;
 
 class KMultiTabBarInternal;
 
 /**
  * @class KMultiTabBar kmultitabbar.h KMultiTabBar
  *
  * A Widget for horizontal and vertical tabs.
  * (Note that in Qt4, QTabBar can be vertical as well)
  *
  * It is possible to add normal buttons to the top/left
  * The handling if only one tab at a time or multiple tabs
  * should be raisable is left to the "user".
  *
  * \image html kmultitabbar.png "KMultiTabBar Widget"
  *
  * @author Joseph Wenninger
  */
 class KWIDGETSADDONS_EXPORT KMultiTabBar : public QWidget
 {
     Q_OBJECT
     Q_PROPERTY(KMultiTabBarPosition position READ position WRITE setPosition)
     Q_PROPERTY(KMultiTabBarStyle tabStyle READ tabStyle WRITE setStyle)
 public:
     enum KMultiTabBarPosition { Left, Right, Top, Bottom };
     Q_ENUM(KMultiTabBarPosition)
 
     /**
      * The list of available styles for KMultiTabBar
      */
     enum KMultiTabBarStyle {
         VSNET = 0, ///< Visual Studio .Net like, always shows icon, only show the text of active tabs
         KDEV3ICON = 2, ///< KDevelop 3 like, always shows the text and icons
         STYLELAST = 0xffff,
     };
     Q_ENUM(KMultiTabBarStyle)
 
     /**
      * Create a KMultiTabBar with Left as KMultiTabBar position.
      * @param parent The parent of the widget.
      * @since 5.24
      */
     explicit KMultiTabBar(QWidget *parent = nullptr);
 
     explicit KMultiTabBar(KMultiTabBarPosition pos, QWidget *parent = nullptr);
     ~KMultiTabBar() override;
 
     /**
      * append  a new button to the button area. The button can later on be accessed with button(ID)
      * eg for connecting signals to it
      * @param icon a icon for the button
      * @param id an arbitrary ID value. It will be emitted in the clicked signal for identifying the button
      *  if more than one button is connected to a signals.
      * @param popup A popup menu which should be displayed if the button is clicked
      * @param not_used_yet will be used for a popup text in the future
      * @since 5.13
      */
     int appendButton(const QIcon &icon, int id = -1, QMenu *popup = nullptr, const QString &not_used_yet = QString());
 
     /**
      * remove a button with the given ID
      */
     void removeButton(int id);
 
     /**
      * append a new tab to the tab area. It can be accessed lateron with tabb(id);
      * @param icon a icon for the tab
      * @param id an arbitrary ID which can be used later on to identify the tab
      * @param text if a mode with text is used it will be the tab text, otherwise a mouse over hint
      * @since 5.13
      */
     int appendTab(const QIcon &icon, int id = -1, const QString &text = QString());
 
     /**
      * remove a tab with a given ID
      */
     void removeTab(int id);
     /**
      * set a tab to "raised"
      * @param id The ID of the tab to manipulate
      * @param state true == activated/raised, false == not active
      */
     void setTab(int id, bool state);
     /**
      * return the state of a tab, identified by its ID
      */
     bool isTabRaised(int id) const;
     /**
      * get a pointer to a button within the button area identified by its ID
      */
     class KMultiTabBarButton *button(int id) const;
 
     /**
      * get a pointer to a tab within the tab area, identified by its ID
      */
     class KMultiTabBarTab *tab(int id) const;
 
     /**
      * set the real position of the widget.
      * @param pos if the mode is horizontal, only use top, bottom, if it is vertical use left or right
      */
     void setPosition(KMultiTabBarPosition pos);
 
     /**
      * get the tabbar position.
      * @return position
      */
     KMultiTabBarPosition position() const;
 
     /**
      * set the display style of the tabs
      */
     void setStyle(KMultiTabBarStyle style);
 
     /**
      * get the display style of the tabs
      * @return display style
      */
     KMultiTabBarStyle tabStyle() const;
 
 protected:
     friend class KMultiTabBarButton;
     virtual void fontChange(const QFont &);
     void paintEvent(class QPaintEvent *) override;
     void updateSeparator();
 
 private:
     std::unique_ptr<class KMultiTabBarPrivate> const d;
 };
 
 /**
  * @class KMultiTabBarButton kmultitabbar.h KMultiTabBarButton
  *
  * Use KMultiTabBar::appendButton to append a button, which creates a KMultiTabBarButton instance
  */
 class KWIDGETSADDONS_EXPORT KMultiTabBarButton : public QPushButton
 {
     Q_OBJECT
 public:
     int id() const;
     ~KMultiTabBarButton() override;
 
 public Q_SLOTS:
     void setText(const QString &text);
 
 Q_SIGNALS:
     /**
      * this is emitted if  the button is clicked
      * @param id    the ID identifying the button
      */
     void clicked(int id);
 protected Q_SLOTS:
     virtual void slotClicked();
 
 protected:
     void hideEvent(class QHideEvent *) override;
     void showEvent(class QShowEvent *) override;
     void paintEvent(class QPaintEvent *) override;
 
     /**
      * Should not be created directly. Use KMultiTabBar::appendButton
      */
     KMultiTabBarButton(const QIcon &icon, const QString &, int id, QWidget *parent);
 
 private:
     friend class KMultiTabBar;
 
     int m_id;
     std::unique_ptr<class KMultiTabBarButtonPrivate> const d;
 };
 
 /**
  * @class KMultiTabBarTab kmultitabbar.h KMultiTabBarTab
  *
  * Use KMultiTabBar::appendTab to append a tab, which creates a KMultiTabBarTab instance
  */
 class KWIDGETSADDONS_EXPORT KMultiTabBarTab : public KMultiTabBarButton
 {
     Q_OBJECT
 public:
     ~KMultiTabBarTab() override;
     QSize sizeHint() const override;
     QSize minimumSizeHint() const override;
 
 public Q_SLOTS:
     /**
      * this is used internally, but can be used by the user, if (s)he wants to
      * It the according call of KMultiTabBar is invoked though this modifications will be overwritten
      */
     void setPosition(KMultiTabBar::KMultiTabBarPosition);
 
     /**
      * this is used internally, but can be used by the user, if (s)he wants to
      * It the according call of KMultiTabBar is invoked though this modifications will be overwritten
      */
     void setStyle(KMultiTabBar::KMultiTabBarStyle);
 
     /**
      * set the active state of the tab
      * @param  state true==active false==not active
      */
     void setState(bool state);
 
 public:
     using KMultiTabBarButton::setIcon;
 
 protected:
     void paintEvent(QPaintEvent *) override;
 
 private:
     KMultiTabBar::KMultiTabBarPosition m_position;
     KMultiTabBar::KMultiTabBarStyle m_style;
 
     KWIDGETSADDONS_NO_EXPORT void computeMargins(int *hMargin, int *vMargin) const;
     KWIDGETSADDONS_NO_EXPORT QSize computeSizeHint(bool withText) const;
     KWIDGETSADDONS_NO_EXPORT bool shouldDrawText() const;
     KWIDGETSADDONS_NO_EXPORT bool isVertical() const;
 
     KWIDGETSADDONS_NO_EXPORT void initStyleOption(QStyleOptionToolButton *opt) const;
 
     friend class KMultiTabBarInternal;
     /**
      * This class should never be created except with the appendTab call of KMultiTabBar
      */
     KWIDGETSADDONS_NO_EXPORT
     KMultiTabBarTab(const QIcon &icon, const QString &, int id, QWidget *parent, KMultiTabBar::KMultiTabBarPosition pos, KMultiTabBar::KMultiTabBarStyle style);
 
     std::unique_ptr<class KMultiTabBarTabPrivate> const d;
 };
 
 #endif