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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/********************************************************************** +** $Id: qt/tqlistbox.h 3.3.8 edited Jan 11 14:38 $ +** +** Definition of TQListBox widget class +** +** Created : 941121 +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of the widgets 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 TQLISTBOX_H +#define TQLISTBOX_H + +#ifndef QT_H +#include "tqscrollview.h" +#include "tqpixmap.h" +#endif // QT_H + +#ifndef TQT_NO_LISTBOX + + +class TQListBoxPrivate; +class TQListBoxItem; +class TQString; +class TQStrList; +class TQStringList; + + +class TQ_EXPORT TQListBox : public TQScrollView +{ + friend class TQListBoxItem; + friend class TQListBoxPrivate; + + TQ_OBJECT + TQ_ENUMS( SelectionMode LayoutMode ) + TQ_PROPERTY( uint count READ count ) + TQ_PROPERTY( int numItemsVisible READ numItemsVisible ) + TQ_PROPERTY( int currentItem READ currentItem WRITE setCurrentItem ) + TQ_PROPERTY( TQString currentText READ currentText ) + TQ_PROPERTY( int topItem READ topItem WRITE setTopItem DESIGNABLE false ) + TQ_PROPERTY( SelectionMode selectionMode READ selectionMode WRITE setSelectionMode ) + TQ_PROPERTY( bool multiSelection READ isMultiSelection WRITE setMultiSelection DESIGNABLE false ) + TQ_PROPERTY( LayoutMode columnMode READ columnMode WRITE setColumnMode ) + TQ_PROPERTY( LayoutMode rowMode READ rowMode WRITE setRowMode ) + TQ_PROPERTY( int numColumns READ numColumns ) + TQ_PROPERTY( int numRows READ numRows ) + TQ_PROPERTY( bool variableWidth READ variableWidth WRITE setVariableWidth ) + TQ_PROPERTY( bool variableHeight READ variableHeight WRITE setVariableHeight ) + +public: + TQListBox( TQWidget* parent=0, const char* name=0, WFlags f=0 ); + ~TQListBox(); + + virtual void setFont( const TQFont & ); + + uint count() const; + + void insertStringList( const TQStringList&, int index=-1 ); + void insertStrList( const TQStrList *, int index=-1 ); + void insertStrList( const TQStrList &, int index=-1 ); + void insertStrList( const char **, + int numStrings=-1, int index=-1 ); + + void insertItem( const TQListBoxItem *, int index=-1 ); + void insertItem( const TQListBoxItem *, const TQListBoxItem *after ); + void insertItem( const TQString &text, int index=-1 ); + void insertItem( const TQPixmap &pixmap, int index=-1 ); + void insertItem( const TQPixmap &pixmap, const TQString &text, int index=-1 ); + + void removeItem( int index ); + + TQString text( int index ) const; + const TQPixmap *pixmap( int index ) const; + + void changeItem( const TQListBoxItem *, int index ); + void changeItem( const TQString &text, int index ); + void changeItem( const TQPixmap &pixmap, int index ); + void changeItem( const TQPixmap &pixmap, const TQString &text, int index ); + + void takeItem( const TQListBoxItem * ); + + int numItemsVisible() const; + + int currentItem() const; + TQString currentText() const { return text(currentItem()); } + virtual void setCurrentItem( int index ); + virtual void setCurrentItem( TQListBoxItem * ); + void centerCurrentItem() { ensureCurrentVisible(); } + int topItem() const; + virtual void setTopItem( int index ); + virtual void setBottomItem( int index ); + + long maxItemWidth() const; + + enum SelectionMode { Single, Multi, Extended, NoSelection }; + virtual void setSelectionMode( SelectionMode ); + SelectionMode selectionMode() const; + + void setMultiSelection( bool multi ); + bool isMultiSelection() const; + + virtual void setSelected( TQListBoxItem *, bool ); + void setSelected( int, bool ); + bool isSelected( int ) const; + bool isSelected( const TQListBoxItem * ) const; + TQListBoxItem* selectedItem() const; + + TQSize sizeHint() const; + TQSize minimumSizeHint() const; + + TQListBoxItem *item( int index ) const; + int index( const TQListBoxItem * ) const; + TQListBoxItem *findItem( const TQString &text, ComparisonFlags compare = BeginsWith ) const; + + void triggerUpdate( bool doLayout ); + + bool itemVisible( int index ); + bool itemVisible( const TQListBoxItem * ); + + enum LayoutMode { FixedNumber, + FitToWidth, FitToHeight = FitToWidth, + Variable }; + virtual void setColumnMode( LayoutMode ); + virtual void setColumnMode( int ); + virtual void setRowMode( LayoutMode ); + virtual void setRowMode( int ); + + LayoutMode columnMode() const; + LayoutMode rowMode() const; + + int numColumns() const; + int numRows() const; + + bool variableWidth() const; + virtual void setVariableWidth( bool ); + + bool variableHeight() const; + virtual void setVariableHeight( bool ); + + void viewportPaintEvent( TQPaintEvent * ); + +#ifndef TQT_NO_COMPAT + bool dragSelect() const { return TRUE; } + void setDragSelect( bool ) {} + bool autoScroll() const { return TRUE; } + void setAutoScroll( bool ) {} + bool autoScrollBar() const { return vScrollBarMode() == Auto; } + void setAutoScrollBar( bool enable ) { setVScrollBarMode( enable ? Auto : AlwaysOff ); } + bool scrollBar() const { return vScrollBarMode() != AlwaysOff; } + void setScrollBar( bool enable ) { setVScrollBarMode( enable ? AlwaysOn : AlwaysOff ); } + bool autoBottomScrollBar() const { return hScrollBarMode() == Auto; } + void setAutoBottomScrollBar( bool enable ) { setHScrollBarMode( enable ? Auto : AlwaysOff ); } + bool bottomScrollBar() const { return hScrollBarMode() != AlwaysOff; } + void setBottomScrollBar( bool enable ) { setHScrollBarMode( enable ? AlwaysOn : AlwaysOff ); } + bool smoothScrolling() const { return FALSE; } + void setSmoothScrolling( bool ) {} + bool autoUpdate() const { return TRUE; } + void setAutoUpdate( bool ) {} + void setFixedVisibleLines( int lines ) { setRowMode( lines ); } + int inSort( const TQListBoxItem * ); + int inSort( const TQString& text ); + int cellHeight( int i ) const { return itemHeight(i); } + int cellHeight() const { return itemHeight(); } + int cellWidth() const { return maxItemWidth(); } + int cellWidth(int i) const { Q_ASSERT(i==0); Q_UNUSED(i) return maxItemWidth(); } + int numCols() const { return numColumns(); } +#endif + + int itemHeight( int index = 0 ) const; + TQListBoxItem * itemAt( const TQPoint & ) const; + + TQRect itemRect( TQListBoxItem *item ) const; + + TQListBoxItem *firstItem() const; + + void sort( bool ascending = TRUE ); + +public slots: + void clear(); + virtual void ensureCurrentVisible(); + virtual void clearSelection(); + virtual void selectAll( bool select ); + virtual void invertSelection(); + +signals: + void highlighted( int index ); + void selected( int index ); + void highlighted( const TQString &); + void selected( const TQString &); + void highlighted( TQListBoxItem * ); + void selected( TQListBoxItem * ); + + void selectionChanged(); + void selectionChanged( TQListBoxItem * ); + void currentChanged( TQListBoxItem * ); + void clicked( TQListBoxItem * ); + void clicked( TQListBoxItem *, const TQPoint & ); + void pressed( TQListBoxItem * ); + void pressed( TQListBoxItem *, const TQPoint & ); + + void doubleClicked( TQListBoxItem * ); + void returnPressed( TQListBoxItem * ); + void rightButtonClicked( TQListBoxItem *, const TQPoint & ); + void rightButtonPressed( TQListBoxItem *, const TQPoint & ); + void mouseButtonPressed( int, TQListBoxItem*, const TQPoint& ); + void mouseButtonClicked( int, TQListBoxItem*, const TQPoint& ); + + void contextMenuRequested( TQListBoxItem *, const TQPoint & ); + + void onItem( TQListBoxItem *item ); + void onViewport(); + +protected: + void mousePressEvent( TQMouseEvent * ); + void mouseReleaseEvent( TQMouseEvent * ); + void mouseDoubleClickEvent( TQMouseEvent * ); + void mouseMoveEvent( TQMouseEvent * ); + void contentsContextMenuEvent( TQContextMenuEvent * ); + + void keyPressEvent( TQKeyEvent *e ); + void focusInEvent( TQFocusEvent *e ); + void focusOutEvent( TQFocusEvent *e ); + void resizeEvent( TQResizeEvent * ); + void showEvent( TQShowEvent * ); + + bool eventFilter( TQObject *o, TQEvent *e ); + + void updateItem( int index ); + void updateItem( TQListBoxItem * ); + +#ifndef TQT_NO_COMPAT + void updateCellWidth() { } + int totalWidth() const { return contentsWidth(); } + int totalHeight() const { return contentsHeight(); } +#endif + + virtual void paintCell( TQPainter *, int row, int col ); + + void toggleCurrentItem(); + bool isRubberSelecting() const; + + void doLayout() const; + + void windowActivationChange( bool ); + +#ifndef TQT_NO_COMPAT + bool itemYPos( int index, int *yPos ) const; + int findItem( int yPos ) const { return index(itemAt(TQPoint(0,yPos)) ); } +#endif + +protected slots: + void clearInputString(); + +private slots: + void refreshSlot(); + void doAutoScroll(); + void adjustItems(); + +private: + void mousePressEventEx( TQMouseEvent * ); + void tryGeometry( int, int ) const; + int currentRow() const; + int currentColumn() const; + void updateSelection(); + void repaintSelection(); + void drawRubber(); + void doRubberSelection( const TQRect &old, const TQRect &rubber ); + void handleItemChange( TQListBoxItem *old, bool shift, bool control ); + void selectRange( TQListBoxItem *from, TQListBoxItem *to, bool invert, bool includeFirst, bool clearSel = FALSE ); + + void emitChangedSignal( bool ); + + int columnAt( int ) const; + int rowAt( int ) const; + + TQListBoxPrivate * d; + + static TQListBox * changedListBox; + +private: // Disabled copy constructor and operator= +#if defined(TQ_DISABLE_COPY) + TQListBox( const TQListBox & ); + TQListBox &operator=( const TQListBox & ); +#endif +}; + + +class TQ_EXPORT TQListBoxItem +{ +public: + TQListBoxItem( TQListBox* listbox = 0 ); + TQListBoxItem( TQListBox* listbox, TQListBoxItem *after ); + virtual ~TQListBoxItem(); + + virtual TQString text() const; + virtual const TQPixmap *pixmap() const; + + virtual int height( const TQListBox * ) const; + virtual int width( const TQListBox * ) const; + + bool isSelected() const { return s; } + bool isCurrent() const; + +#ifndef TQT_NO_COMPAT + bool selected() const { return isSelected(); } + bool current() const { return isCurrent(); } +#endif + + TQListBox *listBox() const; + + void setSelectable( bool b ); + bool isSelectable() const; + + TQListBoxItem *next() const; + TQListBoxItem *prev() const; + + virtual int rtti() const; + static int RTTI; + +protected: + virtual void paint( TQPainter * ) = 0; + virtual void setText( const TQString &text ) { txt = text; } + void setCustomHighlighting( bool ); + +private: + TQString txt; + uint s:1; + uint dirty:1; + uint custom_highlight : 1; + int x, y; + TQListBoxItem * p, * n; + TQListBox* lbox; + friend class TQListBox; + friend class TQListBoxPrivate; + friend class TQComboBox; + friend class TQComboBoxPopupItem; + +private: // Disabled copy constructor and operator= +#if defined(TQ_DISABLE_COPY) + TQListBoxItem( const TQListBoxItem & ); + TQListBoxItem &operator=( const TQListBoxItem & ); +#endif +}; + + +class TQ_EXPORT TQListBoxText : public TQListBoxItem +{ +public: + TQListBoxText( TQListBox* listbox, const TQString & text=TQString::null ); + TQListBoxText( const TQString & text=TQString::null ); + TQListBoxText( TQListBox* listbox, const TQString & text, TQListBoxItem *after ); + ~TQListBoxText(); + + int height( const TQListBox * ) const; + int width( const TQListBox * ) const; + + int rtti() const; + static int RTTI; + +protected: + void paint( TQPainter * ); + +private: // Disabled copy constructor and operator= +#if defined(TQ_DISABLE_COPY) + TQListBoxText( const TQListBoxText & ); + TQListBoxText &operator=( const TQListBoxText & ); +#endif +}; + + +class TQ_EXPORT TQListBoxPixmap : public TQListBoxItem +{ +public: + TQListBoxPixmap( TQListBox* listbox, const TQPixmap & ); + TQListBoxPixmap( const TQPixmap & ); + TQListBoxPixmap( TQListBox* listbox, const TQPixmap & pix, TQListBoxItem *after ); + TQListBoxPixmap( TQListBox* listbox, const TQPixmap &, const TQString& ); + TQListBoxPixmap( const TQPixmap &, const TQString& ); + TQListBoxPixmap( TQListBox* listbox, const TQPixmap & pix, const TQString&, TQListBoxItem *after ); + ~TQListBoxPixmap(); + + const TQPixmap *pixmap() const { return &pm; } + + int height( const TQListBox * ) const; + int width( const TQListBox * ) const; + + int rtti() const; + static int RTTI; + +protected: + void paint( TQPainter * ); + +private: + TQPixmap pm; +private: // Disabled copy constructor and operator= +#if defined(TQ_DISABLE_COPY) + TQListBoxPixmap( const TQListBoxPixmap & ); + TQListBoxPixmap &operator=( const TQListBoxPixmap & ); +#endif +}; + + +#endif // TQT_NO_LISTBOX + +#endif // TQLISTBOX_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> |