ntqiconview.h Include File

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# ntqiconview.h

This is the verbatim text of the ntqiconview.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $Id: qt/ntqiconview.h   3.3.8   edited Jan 11 14:38 $
    **
    ** Definition of TQIconView widget class
    **
    ** Created : 990707
    **
    ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
    **
    ** This file is part of the iconview module of the TQt GUI Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
    ** License versions 2.0 or 3.0 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file. Alternatively you may (at your option) use any
    ** later version of the GNU General Public License if such license has
    ** been publicly approved by Trolltech ASA (or its successors, if any)
    ** and the KDE Free TQt Foundation.
    **
    ** Please review the following information to ensure GNU General
    ** Public Licensing requirements will be met:
    ** http://trolltech.com/products/qt/licenses/licensing/opensource/.
    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
    ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
    ** or contact the sales department at sales@trolltech.com.
    **
    ** This file may be used under the terms of the Q Public License as
    ** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
    ** included in the packaging of this file.  Licensees holding valid TQt
    ** Commercial licenses may use this file in accordance with the TQt
    ** Commercial License Agreement provided with the Software.
    **
    ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
    ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
    ** herein.
    **
    **********************************************************************/

    #ifndef TQICONVIEW_H
    #define TQICONVIEW_H

    #ifndef QT_H
    #include "ntqscrollview.h"
    #include "ntqstring.h"
    #include "ntqrect.h"
    #include "ntqpoint.h"
    #include "ntqsize.h"
    #include "ntqfont.h" // TQString->TQFont conversion
    #include "ntqdragobject.h"
    #include "ntqbitmap.h"
    #include "ntqpicture.h"
    #endif // QT_H

    #ifndef TQT_NO_ICONVIEW

    class TQIconView;
    class TQPainter;
    class TQMimeSource;
    class TQMouseEvent;
    class TQDragEnterEvent;
    class TQDragMoveEvent;
    class TQDragLeaveEvent;
    class TQKeyEvent;
    class TQFocusEvent;
    class TQShowEvent;
    class TQIconViewItem;
    class TQIconViewItemLineEdit;
    class TQStringList;
    class TQIconDragPrivate;

    #ifndef TQT_NO_DRAGANDDROP

    class TQ_EXPORT TQIconDragItem
    {
    public:
        TQIconDragItem();
        virtual ~TQIconDragItem();
        virtual TQByteArray data() const;
        virtual void setData( const TQByteArray &d );
        bool operator== ( const TQIconDragItem& ) const;

    private:
        TQByteArray ba;

    };

    class TQ_EXPORT TQIconDrag : public TQDragObject
    {
        TQ_OBJECT
    public:
        TQIconDrag( TQWidget * dragSource, const char* name = 0 );
        virtual ~TQIconDrag();

        void append( const TQIconDragItem &item, const TQRect &pr, const TQRect &tr );

        virtual const char* format( int i ) const;
        static bool canDecode( TQMimeSource* e );
        virtual TQByteArray encodedData( const char* mime ) const;

    private:
        TQIconDragPrivate *d;
        TQChar endMark;

        friend class TQIconView;
        friend class TQIconViewPrivate;
    #if defined(TQ_DISABLE_COPY) // Disabled copy constructor and operator=
        TQIconDrag( const TQIconDrag & );
        TQIconDrag &operator=( const TQIconDrag & );
    #endif
    };

    #endif

    class TQIconViewToolTip;
    class TQIconViewItemPrivate;

    class TQ_EXPORT TQIconViewItem : public TQt
    {
        friend class TQIconView;
        friend class TQIconViewToolTip;
        friend class TQIconViewItemLineEdit;

    public:
        TQIconViewItem( TQIconView *parent );
        TQIconViewItem( TQIconView *parent, TQIconViewItem *after );
        TQIconViewItem( TQIconView *parent, const TQString &text );
        TQIconViewItem( TQIconView *parent, TQIconViewItem *after, const TQString &text );
        TQIconViewItem( TQIconView *parent, const TQString &text, const TQPixmap &icon );
        TQIconViewItem( TQIconView *parent, TQIconViewItem *after, const TQString &text, const TQPixmap &icon );
    #ifndef TQT_NO_PICTURE
        TQIconViewItem( TQIconView *parent, const TQString &text, const TQPicture &picture );
        TQIconViewItem( TQIconView *parent, TQIconViewItem *after, const TQString &text, const TQPicture &picture );
    #endif
        virtual ~TQIconViewItem();

        virtual void setRenameEnabled( bool allow );
        virtual void setDragEnabled( bool allow );
        virtual void setDropEnabled( bool allow );

        virtual TQString text() const;
        virtual TQPixmap *pixmap() const;
    #ifndef TQT_NO_PICTURE
        virtual TQPicture *picture() const;
    #endif
        virtual TQString key() const;

        bool renameEnabled() const;
        bool dragEnabled() const;
        bool dropEnabled() const;

        TQIconView *iconView() const;
        TQIconViewItem *prevItem() const;
        TQIconViewItem *nextItem() const;

        int index() const;

        virtual void setSelected( bool s, bool cb );
        virtual void setSelected( bool s );
        virtual void setSelectable( bool s );

        bool isSelected() const;
        bool isSelectable() const;

        virtual void repaint();

        virtual bool move( int x, int y );
        virtual void moveBy( int dx, int dy );
        virtual bool move( const TQPoint &pnt );
        virtual void moveBy( const TQPoint &pnt );

        TQRect rect() const;
        int x() const;
        int y() const;
        int width() const;
        int height() const;
        TQSize size() const;
        TQPoint pos() const;
        TQRect textRect( bool relative = true ) const;
        TQRect pixmapRect( bool relative = true ) const;
        bool contains( const TQPoint& pnt ) const;
        bool intersects( const TQRect& r ) const;

        virtual bool acceptDrop( const TQMimeSource *mime ) const;

    #ifndef TQT_NO_TEXTEDIT
        void rename();
    #endif

        virtual int compare( TQIconViewItem *i ) const;

        virtual void setText( const TQString &text );
        virtual void setPixmap( const TQPixmap &icon );
    #ifndef TQT_NO_PICTURE
        virtual void setPicture( const TQPicture &icon );
    #endif
        virtual void setText( const TQString &text, bool recalc, bool redraw = true );
        virtual void setPixmap( const TQPixmap &icon, bool recalc, bool redraw = true );
        virtual void setKey( const TQString &k );

        virtual int rtti() const;
        static int RTTI;

    protected:
    #ifndef TQT_NO_TEXTEDIT
        virtual void removeRenameBox();
    #endif
        virtual void calcRect( const TQString &text_ = TQString::null );
        virtual void paintItem( TQPainter *p, const TQColorGroup &cg );
        virtual void paintFocus( TQPainter *p, const TQColorGroup &cg );
    #ifndef TQT_NO_DRAGANDDROP
        virtual void dropped( TQDropEvent *e, const TQValueList<TQIconDragItem> &lst );
    #endif
        virtual void dragEntered();
        virtual void dragLeft();
        void setItemRect( const TQRect &r );
        void setTextRect( const TQRect &r );
        void setPixmapRect( const TQRect &r );
        void calcTmpText();
        TQString tempText() const;

    private:
        void init( TQIconViewItem *after = 0
    #ifndef TQT_NO_PICTURE
    	       , TQPicture *pic = 0
    #endif
    	       );
    #ifndef TQT_NO_TEXTEDIT
        void renameItem();
        void cancelRenameItem();
    #endif
        void checkRect();

        TQIconView *view;
        TQString itemText, itemKey;
        TQString tmpText;
        TQPixmap *itemIcon;
    #ifndef TQT_NO_PICTURE
        TQPicture *itemPic;
    #endif
        TQIconViewItem *prev, *next;
        uint allow_rename : 1;
        uint allow_drag : 1;
        uint allow_drop : 1;
        uint selected : 1;
        uint selectable : 1;
        uint dirty : 1;
        uint wordWrapDirty : 1;
        TQRect itemRect, itemTextRect, itemIconRect;
    #ifndef TQT_NO_TEXTEDIT
        TQIconViewItemLineEdit *renameBox;
    #endif
        TQRect oldRect;

        TQIconViewItemPrivate *d;

    };

    class TQIconViewPrivate;          /* don't touch */

    class TQ_EXPORT TQIconView : public TQScrollView
    {
        friend class TQIconViewItem;
        friend class TQIconViewPrivate;
        friend class TQIconViewToolTip;

        TQ_OBJECT
        // #### sorting and sort direction do not work
        TQ_ENUMS( SelectionMode ItemTextPos Arrangement ResizeMode )
        TQ_PROPERTY( bool sorting READ sorting )
        TQ_PROPERTY( bool sortDirection READ sortDirection )
        TQ_PROPERTY( SelectionMode selectionMode READ selectionMode WRITE setSelectionMode )
        TQ_PROPERTY( int gridX READ gridX WRITE setGridX )
        TQ_PROPERTY( int gridY READ gridY WRITE setGridY )
        TQ_PROPERTY( int spacing READ spacing WRITE setSpacing )
        TQ_PROPERTY( ItemTextPos itemTextPos READ itemTextPos WRITE setItemTextPos )
        TQ_PROPERTY( TQBrush itemTextBackground READ itemTextBackground WRITE setItemTextBackground )
        TQ_PROPERTY( Arrangement arrangement READ arrangement WRITE setArrangement )
        TQ_PROPERTY( ResizeMode resizeMode READ resizeMode WRITE setResizeMode )
        TQ_PROPERTY( int maxItemWidth READ maxItemWidth WRITE setMaxItemWidth )
        TQ_PROPERTY( int maxItemTextLength READ maxItemTextLength WRITE setMaxItemTextLength )
        TQ_PROPERTY( bool autoArrange READ autoArrange WRITE setAutoArrange )
        TQ_PROPERTY( bool itemsMovable READ itemsMovable WRITE setItemsMovable )
        TQ_PROPERTY( bool wordWrapIconText READ wordWrapIconText WRITE setWordWrapIconText )
        TQ_PROPERTY( bool showToolTips READ showToolTips WRITE setShowToolTips )
        TQ_PROPERTY( uint count READ count )

    public:
        enum SelectionMode {
    	Single = 0,
    	Multi,
    	Extended,
    	NoSelection
        };
        enum Arrangement {
    	LeftToRight = 0,
    	TopToBottom
        };
        enum ResizeMode {
    	Fixed = 0,
    	Adjust
        };
        enum ItemTextPos {
    	Bottom = 0,
    	Right
        };

        TQIconView( TQWidget* parent=0, const char* name=0, WFlags f = 0 );
        virtual ~TQIconView();

        virtual void insertItem( TQIconViewItem *item, TQIconViewItem *after = 0L );
        virtual void takeItem( TQIconViewItem *item );

        int index( const TQIconViewItem *item ) const;

        TQIconViewItem *firstItem() const;
        TQIconViewItem *lastItem() const;
        TQIconViewItem *currentItem() const;
        virtual void setCurrentItem( TQIconViewItem *item );
        virtual void setSelected( TQIconViewItem *item, bool s, bool cb = false );

        uint count() const;

    public:
        virtual void showEvent( TQShowEvent * );

        virtual void setSelectionMode( SelectionMode m );
        SelectionMode selectionMode() const;

        TQIconViewItem *findItem( const TQPoint &pos ) const;
        TQIconViewItem *findItem( const TQString &text, ComparisonFlags compare = BeginsWith ) const;
        virtual void selectAll( bool select );
        virtual void clearSelection();
        virtual void invertSelection();

        virtual void repaintItem( TQIconViewItem *item );
        void repaintSelectedItems();

        void ensureItemVisible( TQIconViewItem *item );
        TQIconViewItem* findFirstVisibleItem( const TQRect &r ) const;
        TQIconViewItem* findLastVisibleItem( const TQRect &r ) const;

        virtual void clear();

        virtual void setGridX( int rx );
        virtual void setGridY( int ry );
        int gridX() const;
        int gridY() const;
        virtual void setSpacing( int sp );
        int spacing() const;
        virtual void setItemTextPos( ItemTextPos pos );
        ItemTextPos itemTextPos() const;
        virtual void setItemTextBackground( const TQBrush &b );
        TQBrush itemTextBackground() const;
        virtual void setArrangement( Arrangement am );
        Arrangement arrangement() const;
        virtual void setResizeMode( ResizeMode am );
        ResizeMode resizeMode() const;
        virtual void setMaxItemWidth( int w );
        int maxItemWidth() const;
        virtual void setMaxItemTextLength( int w );
        int maxItemTextLength() const;
        virtual void setAutoArrange( bool b );
        bool autoArrange() const;
        virtual void setShowToolTips( bool b );
        bool showToolTips() const;

        void setSorting( bool sort, bool ascending = true );
        bool sorting() const;
        bool sortDirection() const;

        virtual void setItemsMovable( bool b );
        bool itemsMovable() const;
        virtual void setWordWrapIconText( bool b );
        bool wordWrapIconText() const;

        bool eventFilter( TQObject * o, TQEvent * );

        TQSize minimumSizeHint() const;
        TQSize sizeHint() const;

        virtual void sort( bool ascending = true );

        virtual void setFont( const TQFont & );
        virtual void setPalette( const TQPalette & );

        bool isRenaming() const;

    public slots:
        virtual void arrangeItemsInGrid( const TQSize &grid, bool update = true );
        virtual void arrangeItemsInGrid( bool update = true );
        virtual void setContentsPos( int x, int y );
        virtual void updateContents();

    signals:
        void selectionChanged();
        void selectionChanged( TQIconViewItem *item );
        void currentChanged( TQIconViewItem *item );
        void clicked( TQIconViewItem * );
        void clicked( TQIconViewItem *, const TQPoint & );
        void pressed( TQIconViewItem * );
        void pressed( TQIconViewItem *, const TQPoint & );

        void doubleClicked( TQIconViewItem *item );
        void returnPressed( TQIconViewItem *item );
        void rightButtonClicked( TQIconViewItem* item, const TQPoint& pos );
        void rightButtonPressed( TQIconViewItem* item, const TQPoint& pos );
        void mouseButtonPressed( int button, TQIconViewItem* item, const TQPoint& pos );
        void mouseButtonClicked( int button, TQIconViewItem* item, const TQPoint& pos );
        void contextMenuRequested( TQIconViewItem* item, const TQPoint &pos );

    #ifndef TQT_NO_DRAGANDDROP
        void dropped( TQDropEvent *e, const TQValueList<TQIconDragItem> &lst );
    #endif
        void moved();
        void onItem( TQIconViewItem *item );
        void onViewport();
        void itemRenamed( TQIconViewItem *item, const TQString & );
        void itemRenamed( TQIconViewItem *item );

    protected slots:
        virtual void doAutoScroll();
        virtual void adjustItems();
        virtual void slotUpdate();

    private slots:
        void movedContents( int dx, int dy );

    protected:
        void drawContents( TQPainter *p, int cx, int cy, int cw, int ch );
        void contentsMousePressEvent( TQMouseEvent *e );
        void contentsMouseReleaseEvent( TQMouseEvent *e );
        void contentsMouseMoveEvent( TQMouseEvent *e );
        void contentsMouseDoubleClickEvent( TQMouseEvent *e );
        void contentsContextMenuEvent( TQContextMenuEvent *e );

    #ifndef TQT_NO_DRAGANDDROP
        void contentsDragEnterEvent( TQDragEnterEvent *e );
        void contentsDragMoveEvent( TQDragMoveEvent *e );
        void contentsDragLeaveEvent( TQDragLeaveEvent *e );
        void contentsDropEvent( TQDropEvent *e );
    #endif

        void resizeEvent( TQResizeEvent* e );
        void keyPressEvent( TQKeyEvent *e );
        void focusInEvent( TQFocusEvent *e );
        void focusOutEvent( TQFocusEvent *e );
        void enterEvent( TQEvent *e );

        virtual void drawRubber( TQPainter *p );
    #ifndef TQT_NO_DRAGANDDROP
        virtual TQDragObject *dragObject();
        virtual void startDrag();
    #endif
        virtual void insertInGrid( TQIconViewItem *item );
        virtual void drawBackground( TQPainter *p, const TQRect &r );

        void emitSelectionChanged( TQIconViewItem * i = 0 );
        void emitRenamed( TQIconViewItem *item );

        TQIconViewItem *makeRowLayout( TQIconViewItem *begin, int &y, bool &changed );

        void styleChange( TQStyle& );
        void windowActivationChange( bool );

    private:
        void contentsMousePressEventEx( TQMouseEvent *e );
        virtual void drawDragShapes( const TQPoint &pnt );
    #ifndef TQT_NO_DRAGANDDROP
        virtual void initDragEnter( TQDropEvent *e );
    #endif
        void drawContents( TQPainter* );
        TQIconViewItem* findItemByName( TQIconViewItem *start );
        void handleItemChange( TQIconViewItem *old, bool shift,
    			   bool control, bool homeend = false);

        int calcGridNum( int w, int x ) const;
        TQIconViewItem *rowBegin( TQIconViewItem *item ) const;
        void updateItemContainer( TQIconViewItem *item );
        void appendItemContainer();
        void rebuildContainers();
        enum Direction {
    	DirUp = 0,
    	DirDown,
    	DirLeft,
    	DirRight
        };
        TQIconViewItem* findItem(Direction dir, const TQIconViewItem *fromItem) const;
        TQBitmap mask( TQPixmap *pix ) const;

        TQIconViewPrivate *d;

    private:	// Disabled copy constructor and operator=
    #if defined(TQ_DISABLE_COPY)
        TQIconView( const TQIconView & );
        TQIconView& operator=( const TQIconView & );
    #endif
    };

    #endif // TQT_NO_ICONVIEW

    #endif // TQICONVIEW_H