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436 lines
14 KiB
436 lines
14 KiB
/**********************************************************************
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**
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** Definition of QListBox widget class
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**
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** Created : 941121
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the widgets module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef QLISTBOX_H
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#define QLISTBOX_H
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#ifndef QT_H
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#include "qscrollview.h"
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#include "qpixmap.h"
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#endif // QT_H
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#ifndef QT_NO_LISTBOX
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class QListBoxPrivate;
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class QListBoxItem;
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class QString;
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class QStrList;
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class QStringList;
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class Q_EXPORT QListBox : public QScrollView
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{
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friend class QListBoxItem;
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friend class QListBoxPrivate;
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Q_OBJECT
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Q_ENUMS( SelectionMode LayoutMode )
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Q_PROPERTY( uint count READ count )
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Q_PROPERTY( int numItemsVisible READ numItemsVisible )
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Q_PROPERTY( int currentItem READ currentItem WRITE setCurrentItem )
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Q_PROPERTY( QString currentText READ currentText )
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Q_PROPERTY( int topItem READ topItem WRITE setTopItem DESIGNABLE false )
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Q_PROPERTY( SelectionMode selectionMode READ selectionMode WRITE setSelectionMode )
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Q_PROPERTY( bool multiSelection READ isMultiSelection WRITE setMultiSelection DESIGNABLE false )
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Q_PROPERTY( LayoutMode columnMode READ columnMode WRITE setColumnMode )
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Q_PROPERTY( LayoutMode rowMode READ rowMode WRITE setRowMode )
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Q_PROPERTY( int numColumns READ numColumns )
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Q_PROPERTY( int numRows READ numRows )
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Q_PROPERTY( bool variableWidth READ variableWidth WRITE setVariableWidth )
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Q_PROPERTY( bool variableHeight READ variableHeight WRITE setVariableHeight )
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public:
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QListBox( QWidget* parent=0, const char* name=0, WFlags f=0 );
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~QListBox();
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virtual void setFont( const QFont & );
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uint count() const;
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void insertStringList( const QStringList&, int index=-1 );
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void insertStrList( const QStrList *, int index=-1 );
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void insertStrList( const QStrList &, int index=-1 );
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void insertStrList( const char **,
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int numStrings=-1, int index=-1 );
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void insertItem( const QListBoxItem *, int index=-1 );
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void insertItem( const QListBoxItem *, const QListBoxItem *after );
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void insertItem( const QString &text, int index=-1 );
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void insertItem( const QPixmap &pixmap, int index=-1 );
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void insertItem( const QPixmap &pixmap, const QString &text, int index=-1 );
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void removeItem( int index );
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QString text( int index ) const;
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const QPixmap *pixmap( int index ) const;
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void changeItem( const QListBoxItem *, int index );
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void changeItem( const QString &text, int index );
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void changeItem( const QPixmap &pixmap, int index );
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void changeItem( const QPixmap &pixmap, const QString &text, int index );
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void takeItem( const QListBoxItem * );
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int numItemsVisible() const;
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int currentItem() const;
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QString currentText() const { return text(currentItem()); }
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virtual void setCurrentItem( int index );
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virtual void setCurrentItem( QListBoxItem * );
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void centerCurrentItem() { ensureCurrentVisible(); }
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int topItem() const;
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virtual void setTopItem( int index );
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virtual void setBottomItem( int index );
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long maxItemWidth() const;
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enum SelectionMode { Single, Multi, Extended, NoSelection };
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virtual void setSelectionMode( SelectionMode );
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SelectionMode selectionMode() const;
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void setMultiSelection( bool multi );
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bool isMultiSelection() const;
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virtual void setSelected( QListBoxItem *, bool );
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void setSelected( int, bool );
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bool isSelected( int ) const;
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bool isSelected( const QListBoxItem * ) const;
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QListBoxItem* selectedItem() const;
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QSize sizeHint() const;
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QSize minimumSizeHint() const;
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QListBoxItem *item( int index ) const;
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int index( const QListBoxItem * ) const;
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QListBoxItem *findItem( const QString &text, ComparisonFlags compare = BeginsWith ) const;
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void triggerUpdate( bool doLayout );
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bool itemVisible( int index );
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bool itemVisible( const QListBoxItem * );
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enum LayoutMode { FixedNumber,
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FitToWidth, FitToHeight = FitToWidth,
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Variable };
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virtual void setColumnMode( LayoutMode );
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virtual void setColumnMode( int );
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virtual void setRowMode( LayoutMode );
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virtual void setRowMode( int );
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LayoutMode columnMode() const;
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LayoutMode rowMode() const;
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int numColumns() const;
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int numRows() const;
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bool variableWidth() const;
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virtual void setVariableWidth( bool );
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bool variableHeight() const;
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virtual void setVariableHeight( bool );
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void viewportPaintEvent( QPaintEvent * );
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#ifndef QT_NO_COMPAT
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bool dragSelect() const { return TRUE; }
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void setDragSelect( bool ) {}
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bool autoScroll() const { return TRUE; }
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void setAutoScroll( bool ) {}
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bool autoScrollBar() const { return vScrollBarMode() == Auto; }
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void setAutoScrollBar( bool enable ) { setVScrollBarMode( enable ? Auto : AlwaysOff ); }
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bool scrollBar() const { return vScrollBarMode() != AlwaysOff; }
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void setScrollBar( bool enable ) { setVScrollBarMode( enable ? AlwaysOn : AlwaysOff ); }
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bool autoBottomScrollBar() const { return hScrollBarMode() == Auto; }
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void setAutoBottomScrollBar( bool enable ) { setHScrollBarMode( enable ? Auto : AlwaysOff ); }
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bool bottomScrollBar() const { return hScrollBarMode() != AlwaysOff; }
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void setBottomScrollBar( bool enable ) { setHScrollBarMode( enable ? AlwaysOn : AlwaysOff ); }
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bool smoothScrolling() const { return FALSE; }
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void setSmoothScrolling( bool ) {}
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bool autoUpdate() const { return TRUE; }
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void setAutoUpdate( bool ) {}
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void setFixedVisibleLines( int lines ) { setRowMode( lines ); }
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int inSort( const QListBoxItem * );
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int inSort( const QString& text );
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int cellHeight( int i ) const { return itemHeight(i); }
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int cellHeight() const { return itemHeight(); }
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int cellWidth() const { return maxItemWidth(); }
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int cellWidth(int i) const { Q_ASSERT(i==0); Q_UNUSED(i) return maxItemWidth(); }
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int numCols() const { return numColumns(); }
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#endif
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int itemHeight( int index = 0 ) const;
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QListBoxItem * itemAt( const QPoint & ) const;
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QRect itemRect( QListBoxItem *item ) const;
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QListBoxItem *firstItem() const;
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void sort( bool ascending = TRUE );
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public slots:
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void clear();
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virtual void ensureCurrentVisible();
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virtual void clearSelection();
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virtual void selectAll( bool select );
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virtual void invertSelection();
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signals:
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void highlighted( int index );
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void selected( int index );
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void highlighted( const QString &);
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void selected( const QString &);
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void highlighted( QListBoxItem * );
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void selected( QListBoxItem * );
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void selectionChanged();
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void selectionChanged( QListBoxItem * );
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void currentChanged( QListBoxItem * );
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void clicked( QListBoxItem * );
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void clicked( QListBoxItem *, const QPoint & );
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void pressed( QListBoxItem * );
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void pressed( QListBoxItem *, const QPoint & );
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void doubleClicked( QListBoxItem * );
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void returnPressed( QListBoxItem * );
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void rightButtonClicked( QListBoxItem *, const QPoint & );
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void rightButtonPressed( QListBoxItem *, const QPoint & );
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void mouseButtonPressed( int, QListBoxItem*, const QPoint& );
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void mouseButtonClicked( int, QListBoxItem*, const QPoint& );
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void contextMenuRequested( QListBoxItem *, const QPoint & );
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void onItem( QListBoxItem *item );
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void onViewport();
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protected:
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void mousePressEvent( QMouseEvent * );
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void mouseReleaseEvent( QMouseEvent * );
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void mouseDoubleClickEvent( QMouseEvent * );
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void mouseMoveEvent( QMouseEvent * );
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void contentsContextMenuEvent( QContextMenuEvent * );
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void keyPressEvent( QKeyEvent *e );
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void focusInEvent( QFocusEvent *e );
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void focusOutEvent( QFocusEvent *e );
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void resizeEvent( QResizeEvent * );
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void showEvent( QShowEvent * );
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bool eventFilter( QObject *o, QEvent *e );
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void updateItem( int index );
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void updateItem( QListBoxItem * );
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#ifndef QT_NO_COMPAT
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void updateCellWidth() { }
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int totalWidth() const { return contentsWidth(); }
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int totalHeight() const { return contentsHeight(); }
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#endif
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virtual void paintCell( QPainter *, int row, int col );
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void toggleCurrentItem();
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bool isRubberSelecting() const;
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void doLayout() const;
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void windowActivationChange( bool );
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#ifndef QT_NO_COMPAT
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bool itemYPos( int index, int *yPos ) const;
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int findItem( int yPos ) const { return index(itemAt(QPoint(0,yPos)) ); }
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#endif
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protected slots:
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void clearInputString();
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private slots:
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void refreshSlot();
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void doAutoScroll();
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void adjustItems();
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private:
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void mousePressEventEx( QMouseEvent * );
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void tryGeometry( int, int ) const;
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int currentRow() const;
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int currentColumn() const;
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void updateSelection();
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void repaintSelection();
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void drawRubber();
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void doRubberSelection( const QRect &old, const QRect &rubber );
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void handleItemChange( QListBoxItem *old, bool shift, bool control );
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void selectRange( QListBoxItem *from, QListBoxItem *to, bool invert, bool includeFirst, bool clearSel = FALSE );
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void emitChangedSignal( bool );
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int columnAt( int ) const;
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int rowAt( int ) const;
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QListBoxPrivate * d;
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static QListBox * changedListBox;
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private: // Disabled copy constructor and operator=
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#if defined(Q_DISABLE_COPY)
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QListBox( const QListBox & );
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QListBox &operator=( const QListBox & );
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#endif
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};
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class Q_EXPORT QListBoxItem
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{
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public:
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QListBoxItem( QListBox* listbox = 0 );
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QListBoxItem( QListBox* listbox, QListBoxItem *after );
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virtual ~QListBoxItem();
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virtual QString text() const;
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virtual const QPixmap *pixmap() const;
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virtual int height( const QListBox * ) const;
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virtual int width( const QListBox * ) const;
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bool isSelected() const { return s; }
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bool isCurrent() const;
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#ifndef QT_NO_COMPAT
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bool selected() const { return isSelected(); }
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bool current() const { return isCurrent(); }
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#endif
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QListBox *listBox() const;
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void setSelectable( bool b );
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bool isSelectable() const;
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QListBoxItem *next() const;
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QListBoxItem *prev() const;
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virtual int rtti() const;
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static int RTTI;
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protected:
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virtual void paint( QPainter * ) = 0;
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virtual void setText( const QString &text ) { txt = text; }
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void setCustomHighlighting( bool );
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private:
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QString txt;
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uint s:1;
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uint dirty:1;
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uint custom_highlight : 1;
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int x, y;
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QListBoxItem * p, * n;
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QListBox* lbox;
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friend class QListBox;
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friend class QListBoxPrivate;
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friend class QComboBox;
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friend class QComboBoxPopupItem;
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private: // Disabled copy constructor and operator=
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#if defined(Q_DISABLE_COPY)
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QListBoxItem( const QListBoxItem & );
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QListBoxItem &operator=( const QListBoxItem & );
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#endif
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};
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class Q_EXPORT QListBoxText : public QListBoxItem
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{
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public:
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QListBoxText( QListBox* listbox, const QString & text=QString::null );
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QListBoxText( const QString & text=QString::null );
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QListBoxText( QListBox* listbox, const QString & text, QListBoxItem *after );
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~QListBoxText();
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int height( const QListBox * ) const;
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int width( const QListBox * ) const;
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int rtti() const;
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static int RTTI;
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protected:
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void paint( QPainter * );
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private: // Disabled copy constructor and operator=
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#if defined(Q_DISABLE_COPY)
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QListBoxText( const QListBoxText & );
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QListBoxText &operator=( const QListBoxText & );
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#endif
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};
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class Q_EXPORT QListBoxPixmap : public QListBoxItem
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{
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public:
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QListBoxPixmap( QListBox* listbox, const QPixmap & );
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QListBoxPixmap( const QPixmap & );
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QListBoxPixmap( QListBox* listbox, const QPixmap & pix, QListBoxItem *after );
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QListBoxPixmap( QListBox* listbox, const QPixmap &, const QString& );
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QListBoxPixmap( const QPixmap &, const QString& );
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QListBoxPixmap( QListBox* listbox, const QPixmap & pix, const QString&, QListBoxItem *after );
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~QListBoxPixmap();
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const QPixmap *pixmap() const { return ± }
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int height( const QListBox * ) const;
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int width( const QListBox * ) const;
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int rtti() const;
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static int RTTI;
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protected:
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void paint( QPainter * );
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private:
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QPixmap pm;
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private: // Disabled copy constructor and operator=
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#if defined(Q_DISABLE_COPY)
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QListBoxPixmap( const QListBoxPixmap & );
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QListBoxPixmap &operator=( const QListBoxPixmap & );
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#endif
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};
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#endif // QT_NO_LISTBOX
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#endif // QLISTBOX_H
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