kdelibs/kdeui/paged/kpagewidgetmodel.h
Ivailo Monev 6a18754f1b kdeui: merge KPageModel into KPageView and KPageWidgetModel
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
2023-06-14 16:10:43 +03:00

307 lines
8.9 KiB
C++

/*
This file is part of the KDE Libraries
Copyright (C) 2006 Tobias Koenig (tokoe@kde.org)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KPAGEWIDGETMODEL_H
#define KPAGEWIDGETMODEL_H
#include <kdeui_export.h>
#include <QWidget>
#include <QAbstractItemModel>
class KIcon;
/**
* KPageWidgetItem is used by @ref KPageWidget and represents
* a page.
*
* <b>Example:</b>\n
*
* \code
* ColorPage *page = new ColorPage;
*
* KPageWidgetItem *item = new KPageWidgetItem( page, i18n( "Colors" ) );
* item->setHeader( i18n( "Colors of Main Window" ) );
* item->setIcon( KIcon( "colors" ) );
*
* KPageWidget *pageWidget = new KPageWidget( this );
* pageWidget->addPage( item );
* \endcode
*
* @author Tobias Koenig (tokoe@kde.org)
*/
class KDEUI_EXPORT KPageWidgetItem : public QObject
{
Q_OBJECT
Q_PROPERTY( QString name READ name WRITE setName )
Q_PROPERTY( QString header READ header WRITE setHeader )
Q_PROPERTY( KIcon icon READ icon WRITE setIcon )
Q_PROPERTY( bool checkable READ isCheckable WRITE setCheckable )
Q_PROPERTY( bool checked READ isChecked WRITE setChecked )
/**
* This property holds whether the item is enabled.
*
* It dis-/enables both the widget and the item in the list-/treeview.
*/
Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled)
public:
/**
* Creates a new page widget item.
*
* @param widget The widget that is shown as page in the KPageWidget.
*/
KPageWidgetItem( QWidget *widget );
/**
* Creates a new page widget item.
*
* @param widget The widget that is shown as page in the KPageWidget.
* @param name The localized string that is show in the navigation view
* of the KPageWidget.
*/
KPageWidgetItem( QWidget *widget, const QString &name );
/**
* Destroys the page widget item.
*/
~KPageWidgetItem();
/**
* Returns the widget of the page widget item.
*/
QWidget* widget() const;
/**
* Sets the name of the item as shown in the navigation view of the page
* widget.
*/
void setName( const QString &name );
/**
* Returns the name of the page widget item.
*/
QString name() const;
/**
* Sets the header of the page widget item.
*
* If setHeader(QString()) is used, what is the default if the header
* does not got set explicit, then the defined name() will also be used
* for the header. If setHeader("") is used, the header will be hidden
* even if the @a KPageView::FaceType is something else then Tabbed.
*
* @param header Header of the page widget item.
*/
void setHeader( const QString &header );
/**
* Returns the header of the page widget item.
*/
QString header() const;
/**
* Sets the icon of the page widget item.
* @param icon Icon of the page widget item.
*/
void setIcon( const KIcon &icon );
/**
* Returns the icon of the page widget item.
*/
KIcon icon() const;
/**
* Sets whether the page widget item is checkable in the view.
* @param checkable True if the page widget is checkable,
* otherwise false.
*/
void setCheckable( bool checkable );
/**
* Returns whether the page widget item is checkable.
*/
bool isCheckable() const;
/**
* Returns whether the page widget item is checked.
*/
bool isChecked() const;
/**
* Returns whether the page widget item is enabled.
*/
bool isEnabled() const;
public Q_SLOTS:
/**
* Sets whether the page widget item is enabled.
*/
void setEnabled(bool);
/**
* Sets whether the page widget item is checked.
*/
void setChecked( bool checked );
Q_SIGNALS:
/**
* This signal is emitted whenever the icon or header
* is changed.
*/
void changed();
/**
* This signal is emitted whenever the user checks or
* unchecks the item of @see setChecked() is called.
*/
void toggled( bool checked );
private:
class Private;
Private* const d;
};
class KPageWidgetModelPrivate;
/**
* This page model is used by @see KPageWidget to provide
* a hierarchical layout of pages.
*/
class KDEUI_EXPORT KPageWidgetModel : public QAbstractItemModel
{
Q_OBJECT
Q_DECLARE_PRIVATE(KPageWidgetModel)
public:
/**
* Creates a new page widget model.
*
* @param parent The parent object.
*/
explicit KPageWidgetModel( QObject *parent = 0 );
/**
* Destroys the page widget model.
*/
~KPageWidgetModel();
/**
* Adds a new top level page to the model.
*
* @param widget The widget of the page.
* @param name The name which is displayed in the navigation view.
*
* @returns The associated @see KPageWidgetItem.
*/
KPageWidgetItem* addPage( QWidget *widget, const QString &name );
/**
* Adds a new top level page to the model.
*
* @param item The @see KPageWidgetItem which describes the page.
*/
void addPage( KPageWidgetItem *item );
/**
* Inserts a new page in the model.
*
* @param before The new page will be insert before this @see KPageWidgetItem
* on the same level in hierarchy.
* @param widget The widget of the page.
* @param name The name which is displayed in the navigation view.
*
* @returns The associated @see KPageWidgetItem.
*/
KPageWidgetItem* insertPage( KPageWidgetItem *before, QWidget *widget, const QString &name );
/**
* Inserts a new page in the model.
*
* @param before The new page will be insert before this @see KPageWidgetItem
* on the same level in hierarchy.
*
* @param item The @see KPageWidgetItem which describes the page.
*/
void insertPage( KPageWidgetItem *before, KPageWidgetItem *item );
/**
* Inserts a new sub page in the model.
*
* @param parent The new page will be insert as child of this @see KPageWidgetItem.
* @param widget The widget of the page.
* @param name The name which is displayed in the navigation view.
*
* @returns The associated @see KPageWidgetItem.
*/
KPageWidgetItem* addSubPage( KPageWidgetItem *parent, QWidget *widget, const QString &name );
/**
* Inserts a new sub page in the model.
*
* @param parent The new page will be insert as child of this @see KPageWidgetItem.
*
* @param item The @see KPageWidgetItem which describes the page.
*/
void addSubPage( KPageWidgetItem *parent, KPageWidgetItem *item );
/**
* Removes the page associated with the given @see KPageWidgetItem.
*/
void removePage( KPageWidgetItem *item );
/**
* These methods are reimplemented from QAbstractItemModel.
*/
virtual int columnCount( const QModelIndex &parent = QModelIndex() ) const;
virtual QVariant data( const QModelIndex &index, int role = Qt::DisplayRole ) const;
virtual bool setData( const QModelIndex &index, const QVariant &value, int role = Qt::EditRole );
virtual Qt::ItemFlags flags( const QModelIndex &index ) const;
virtual QModelIndex index( int row, int column, const QModelIndex &parent = QModelIndex() ) const;
virtual QModelIndex parent( const QModelIndex &index ) const;
virtual int rowCount( const QModelIndex &parent = QModelIndex() ) const;
/**
* Returns the @see KPageWidgetItem for a given index or 0 if the index is invalid.
*/
KPageWidgetItem *item(const QModelIndex &index) const;
/**
* Returns the index for a given @see KPageWidgetItem. The index is invalid if the
* item can't be found in the model.
*/
QModelIndex index( const KPageWidgetItem *item ) const;
Q_SIGNALS:
/**
* This signal is emitted whenever a checkable page changes its state. @param checked is true
* when the @param page is checked, or false if the @param page is unchecked.
*/
void toggled( KPageWidgetItem *page, bool checked );
private:
KPageWidgetModelPrivate *const d_ptr;
Q_PRIVATE_SLOT(d_func(), void _k_itemChanged())
Q_PRIVATE_SLOT(d_func(), void _k_itemToggled(bool))
};
#endif