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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** $Id: qt/qiconview.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 retquirements 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 "qscrollview.h" +#include "qstring.h" +#include "qrect.h" +#include "qpoint.h" +#include "qsize.h" +#include "qfont.h" // TQString->TQFont conversion +#include "qdragobject.h" +#include "qbitmap.h" +#include "qpicture.h" +#endif // QT_H + +#ifndef QT_NO_ICONVIEW + +#if !defined( QT_MODULE_ICONVIEW ) || defined( QT_INTERNAL_ICONVIEW ) +#define TQM_EXPORT_ICONVIEW +#else +#define TQM_EXPORT_ICONVIEW Q_EXPORT +#endif + +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 QT_NO_DRAGANDDROP + +class TQM_EXPORT_ICONVIEW TQIconDragItem +{ +public: + TQIconDragItem(); + virtual ~TQIconDragItem(); + virtual TQByteArray data() const; + virtual void setData( const TQByteArray &d ); + bool operator== ( const TQIconDragItem& ) const; + +private: + TQByteArray ba; + +}; + +class TQM_EXPORT_ICONVIEW TQIconDrag : public TQDragObject +{ + Q_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(Q_DISABLE_COPY) // Disabled copy constructor and operator= + TQIconDrag( const TQIconDrag & ); + TQIconDrag &operator=( const TQIconDrag & ); +#endif +}; + +#endif + +class TQIconViewToolTip; +class TQIconViewItemPrivate; + +class TQM_EXPORT_ICONVIEW 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 QT_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 QT_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 QT_NO_TEXTEDIT + void rename(); +#endif + + virtual int compare( TQIconViewItem *i ) const; + + virtual void setText( const TQString &text ); + virtual void setPixmap( const TQPixmap &icon ); +#ifndef QT_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 QT_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 QT_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 QT_NO_PICTURE + , TQPicture *pic = 0 +#endif + ); +#ifndef QT_NO_TEXTEDIT + void renameItem(); + void cancelRenameItem(); +#endif + void checkRect(); + + TQIconView *view; + TQString itemText, itemKey; + TQString tmpText; + TQPixmap *itemIcon; +#ifndef QT_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 QT_NO_TEXTEDIT + TQIconViewItemLineEdit *renameBox; +#endif + TQRect oldRect; + + TQIconViewItemPrivate *d; + +}; + +class TQIconViewPrivate; /* don't touch */ + +class TQM_EXPORT_ICONVIEW TQIconView : public TQScrollView +{ + friend class TQIconViewItem; + friend class TQIconViewPrivate; + friend class TQIconViewToolTip; + + Q_OBJECT + // #### sorting and sort direction do not work + Q_ENUMS( SelectionMode ItemTextPos Arrangement ResizeMode ) + Q_PROPERTY( bool sorting READ sorting ) + Q_PROPERTY( bool sortDirection READ sortDirection ) + Q_PROPERTY( SelectionMode selectionMode READ selectionMode WRITE setSelectionMode ) + Q_PROPERTY( int gridX READ gridX WRITE setGridX ) + Q_PROPERTY( int gridY READ gridY WRITE setGridY ) + Q_PROPERTY( int spacing READ spacing WRITE setSpacing ) + Q_PROPERTY( ItemTextPos itemTextPos READ itemTextPos WRITE setItemTextPos ) + Q_PROPERTY( TQBrush itemTextBackground READ itemTextBackground WRITE setItemTextBackground ) + Q_PROPERTY( Arrangement arrangement READ arrangement WRITE setArrangement ) + Q_PROPERTY( ResizeMode resizeMode READ resizeMode WRITE setResizeMode ) + Q_PROPERTY( int maxItemWidth READ maxItemWidth WRITE setMaxItemWidth ) + Q_PROPERTY( int maxItemTextLength READ maxItemTextLength WRITE setMaxItemTextLength ) + Q_PROPERTY( bool autoArrange READ autoArrange WRITE setAutoArrange ) + Q_PROPERTY( bool itemsMovable READ itemsMovable WRITE setItemsMovable ) + Q_PROPERTY( bool wordWrapIconText READ wordWrapIconText WRITE setWordWrapIconText ) + Q_PROPERTY( bool showToolTips READ showToolTips WRITE setShowToolTips ) + Q_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 QT_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 QT_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 QT_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 QT_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 TQPoint &relativeTo, + const TQRect &searchRect ) const; + bool neighbourItem( Direction dir, + const TQPoint &relativeTo, + const TQIconViewItem *item ) const; + TQBitmap mask( TQPixmap *pix ) const; + + TQIconViewPrivate *d; + +private: // Disabled copy constructor and operator= +#if defined(Q_DISABLE_COPY) + TQIconView( const TQIconView & ); + TQIconView& operator=( const TQIconView & ); +#endif +}; + +#endif // QT_NO_ICONVIEW + +#endif // TQICONVIEW_H +</pre> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>TQt 3.3.8</div> +</table></div></address></body> +</html> |