File indexing completed on 2025-01-19 03:53:51

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2009-11-03
  * Description : A dialog base class which can handle multiple pages.
  *
  * SPDX-FileCopyrightText: 2009-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  * SPDX-FileCopyrightText: 2007      by Rafael Fernández López <ereslibre at kde dot org>
  * SPDX-FileCopyrightText: 2006      by Tobias Koenig <tokoe at kde dot org>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #ifndef DIGIKAM_DCONFIG_DLG_VIEW_PRIVATE_H
 #define DIGIKAM_DCONFIG_DLG_VIEW_PRIVATE_H
 
 #include "dconfigdlgview.h"
 
 // Qt includes
 
 #include <QAbstractItemDelegate>
 #include <QGridLayout>
 #include <QStackedWidget>
 #include <QAbstractProxyModel>
 #include <QListView>
 #include <QTabBar>
 #include <QTreeView>
 
 // Local includes
 
 #include "dconfigdlgwidgets.h"
 
 namespace Digikam
 {
 
 class Q_DECL_HIDDEN DConfigDlgStackedWidget : public QStackedWidget
 {
     Q_OBJECT
 
 public:
 
     explicit DConfigDlgStackedWidget(QWidget* const parent = nullptr)
         : QStackedWidget(parent)
     {
     }
 
     void setMinimumSize(const QSize& size)
     {
         mMinimumSize = size;
     }
 
     QSize minimumSizeHint() const override
     {
         return mMinimumSize.expandedTo(QStackedWidget::minimumSizeHint());
     }
 
 private:
 
     QSize mMinimumSize;
 };
 
 // ---------------------------
 
 class Q_DECL_HIDDEN DConfigDlgViewPrivate
 {
     Q_DECLARE_PUBLIC(DConfigDlgView)
 
 protected:
 
     explicit DConfigDlgViewPrivate(DConfigDlgView* const);
 
     void updateTitleWidget(const QModelIndex& index);
 
     void updateSelection();
     void cleanupPages();
     QList<QWidget*> collectPages(const QModelIndex& parent = QModelIndex());
     DConfigDlgView::FaceType detectAutoFace() const;
 
     // private slots
 
     void _k_rebuildGui();
     void _k_modelChanged();
     void _k_dataChanged(const QModelIndex&, const QModelIndex&);
     void _k_pageSelected(const QItemSelection&, const QItemSelection&);
 
 protected:
 
     DConfigDlgView*          q_ptr;
 
     // data
 
     QAbstractItemModel*      model;
     DConfigDlgView::FaceType faceType;
 
     // gui
 
     QGridLayout*             layout;
     DConfigDlgStackedWidget* stack;
     DConfigDlgTitle*         titleWidget;
     QWidget*                 defaultWidget;
 
     QAbstractItemView*       view;
 
 private:
 
     // cppcheck-suppress unusedPrivateFunction
     void init();
 };
 
 // --------------------------------------------------------------------------------------------
 
 namespace DConfigDlgInternal
 {
 
 class DConfigDlgListViewDelegate;
 class DConfigDlgListViewProxy;
 
 class Q_DECL_HIDDEN DConfigDlgPlainView : public QAbstractItemView
 {
     Q_OBJECT
 
 public:
 
     explicit DConfigDlgPlainView(QWidget* const parent = nullptr);
 
     QModelIndex indexAt(const QPoint& point) const                                 override;
     void scrollTo(const QModelIndex& index, ScrollHint hint = EnsureVisible)       override;
     QRect visualRect(const QModelIndex& index) const                               override;
 
 protected:
 
     QModelIndex moveCursor(QAbstractItemView::CursorAction, Qt::KeyboardModifiers) override;
     int horizontalOffset() const                                                   override;
     int verticalOffset() const                                                     override;
     bool isIndexHidden(const QModelIndex&) const                                   override;
     void setSelection(const QRect& , QFlags<QItemSelectionModel::SelectionFlag>)   override;
     QRegion visualRegionForSelection(const QItemSelection&) const                  override;
 };
 
 // ---------------------------
 
 class Q_DECL_HIDDEN DConfigDlgListView : public QListView
 {
     Q_OBJECT
 
 public:
 
     explicit DConfigDlgListView(QWidget* const parent = nullptr);
     ~DConfigDlgListView() override;
 
     void setModel(QAbstractItemModel* model) override;
 
 private Q_SLOTS:
 
     void updateWidth();
 };
 
 // ---------------------------
 
 class Q_DECL_HIDDEN DConfigDlgTreeView : public QTreeView
 {
     Q_OBJECT
 
 public:
 
     explicit DConfigDlgTreeView(QWidget* const parent = nullptr);
 
     void setModel(QAbstractItemModel* model) override;
 
 private Q_SLOTS:
 
     void updateWidth();
 
 private:
 
     void expandItems(const QModelIndex& index = QModelIndex());
 };
 
 // ---------------------------
 
 class Q_DECL_HIDDEN DConfigDlgTabbedView : public QAbstractItemView
 {
     Q_OBJECT
 
 public:
 
     explicit DConfigDlgTabbedView(QWidget* const parent = nullptr);
     ~DConfigDlgTabbedView() override;
 
     void setModel(QAbstractItemModel* model)                                            override;
     QModelIndex indexAt(const QPoint& point) const                                      override;
     void scrollTo(const QModelIndex& index, ScrollHint hint = EnsureVisible)            override;
     QRect visualRect(const QModelIndex& index) const                                    override;
     QSize minimumSizeHint() const                                                       override;
 
 protected:
 
     QModelIndex moveCursor(QAbstractItemView::CursorAction, Qt::KeyboardModifiers)      override;
     int horizontalOffset() const                                                        override;
     int verticalOffset() const                                                          override;
     bool isIndexHidden(const QModelIndex&) const                                        override;
     void setSelection(const QRect& , QFlags<QItemSelectionModel::SelectionFlag>)        override;
     QRegion visualRegionForSelection(const QItemSelection&) const                       override;
 
 private Q_SLOTS:
 
     void currentPageChanged(int);
     void layoutChanged();
     void dataChanged(const QModelIndex&, const QModelIndex&, const QVector<int>& roles) override;
 
 private:
 
     QTabWidget* mTabWidget;
 };
 
 // ---------------------------
 
 class Q_DECL_HIDDEN DConfigDlgListViewDelegate : public QAbstractItemDelegate
 {
     Q_OBJECT
 
 public:
 
     explicit DConfigDlgListViewDelegate(QObject* const parent = nullptr);
 
     void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override;
     QSize sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const                override;
 
 private:
 
     void drawFocus(QPainter*, const QStyleOptionViewItem&, const QRect&) const;
 };
 
 // ---------------------------
 
 /**
  * We need this proxy model to map the leaves of a tree-like model
  * to a one-level list model.
  */
 class Q_DECL_HIDDEN DConfigDlgListViewProxy : public QAbstractProxyModel
 {
     Q_OBJECT
 
 public:
 
     explicit DConfigDlgListViewProxy(QObject* const parent = nullptr);
     ~DConfigDlgListViewProxy() override;
 
     int rowCount(const QModelIndex& parent = QModelIndex()) const                           override;
     int columnCount(const QModelIndex& parent = QModelIndex()) const                        override;
     QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const override;
     QModelIndex parent(const QModelIndex&) const                                            override;
     QVariant data(const QModelIndex& index, int role) const                                 override;
     QModelIndex mapFromSource(const QModelIndex& index) const                               override;
     QModelIndex mapToSource(const QModelIndex& index) const                                 override;
 
 public Q_SLOTS:
 
     void rebuildMap();
 
 private:
 
     void addMapEntry(const QModelIndex&);
 
 private:
 
     QList<QModelIndex> mList;
 };
 
 // ---------------------------
 
 class Q_DECL_HIDDEN SelectionModel : public QItemSelectionModel
 {
     Q_OBJECT
 
 public:
 
     SelectionModel(QAbstractItemModel* const model, QObject* const parent);
 
 public Q_SLOTS:
 
     void clear()                                                                              override;
     void select(const QModelIndex& index, QItemSelectionModel::SelectionFlags command)        override;
     void select(const QItemSelection& selection, QItemSelectionModel::SelectionFlags command) override;
 };
 
 } // namespace DConfigDlgInternal
 
 } // namespace Digikam
 
 #endif // DIGIKAM_DCONFIG_DLG_VIEW_PRIVATE_H