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1231 lines
84 KiB
1231 lines
84 KiB
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQListView Class Reference</h1>
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<p>The TQListView class implements a list/tree view.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="tqlistview-h.html">tqlistview.h</a>></tt>
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<p>Inherits <a href="tqscrollview.html">TQScrollView</a>.
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<p><a href="tqlistview-members.html">List of all member functions.</a>
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<h2>Public Members</h2>
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<ul>
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<li class=fn><a href="#TQListView"><b>TQListView</b></a> ( TQWidget * parent = 0, const char * name = 0, WFlags f = 0 )</li>
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<li class=fn><a href="#~TQListView"><b>~TQListView</b></a> ()</li>
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<li class=fn>int <a href="#treeStepSize"><b>treeStepSize</b></a> () const</li>
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<li class=fn>virtual void <a href="#setTreeStepSize"><b>setTreeStepSize</b></a> ( int )</li>
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<li class=fn>virtual void <a href="#insertItem"><b>insertItem</b></a> ( TQListViewItem * i )</li>
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<li class=fn>virtual void <a href="#takeItem"><b>takeItem</b></a> ( TQListViewItem * i )</li>
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<li class=fn>virtual void removeItem ( TQListViewItem * item ) <em>(obsolete)</em></li>
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<li class=fn>TQHeader * <a href="#header"><b>header</b></a> () const</li>
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<li class=fn>virtual int <a href="#addColumn"><b>addColumn</b></a> ( const TQString & label, int width = -1 )</li>
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<li class=fn>virtual int <a href="#addColumn-2"><b>addColumn</b></a> ( const TQIconSet & iconset, const TQString & label, int width = -1 )</li>
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<li class=fn>virtual void <a href="#removeColumn"><b>removeColumn</b></a> ( int index )</li>
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<li class=fn>virtual void <a href="#setColumnText"><b>setColumnText</b></a> ( int column, const TQString & label )</li>
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<li class=fn>virtual void <a href="#setColumnText-2"><b>setColumnText</b></a> ( int column, const TQIconSet & iconset, const TQString & label )</li>
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<li class=fn>TQString <a href="#columnText"><b>columnText</b></a> ( int c ) const</li>
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<li class=fn>virtual void <a href="#setColumnWidth"><b>setColumnWidth</b></a> ( int column, int w )</li>
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<li class=fn>int <a href="#columnWidth"><b>columnWidth</b></a> ( int c ) const</li>
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<li class=fn>enum <a href="#WidthMode-enum"><b>WidthMode</b></a> { Manual, Maximum }</li>
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<li class=fn>virtual void <a href="#setColumnWidthMode"><b>setColumnWidthMode</b></a> ( int c, WidthMode mode )</li>
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<li class=fn>WidthMode <a href="#columnWidthMode"><b>columnWidthMode</b></a> ( int c ) const</li>
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<li class=fn>int <a href="#columns"><b>columns</b></a> () const</li>
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<li class=fn>virtual void <a href="#setColumnAlignment"><b>setColumnAlignment</b></a> ( int column, int align )</li>
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<li class=fn>int <a href="#columnAlignment"><b>columnAlignment</b></a> ( int column ) const</li>
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<li class=fn>TQListViewItem * <a href="#itemAt"><b>itemAt</b></a> ( const TQPoint & viewPos ) const</li>
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<li class=fn>TQRect <a href="#itemRect"><b>itemRect</b></a> ( const TQListViewItem * i ) const</li>
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<li class=fn>int <a href="#itemPos"><b>itemPos</b></a> ( const TQListViewItem * item )</li>
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<li class=fn>void <a href="#ensureItemVisible"><b>ensureItemVisible</b></a> ( const TQListViewItem * i )</li>
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<li class=fn>void <a href="#repaintItem"><b>repaintItem</b></a> ( const TQListViewItem * item ) const</li>
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<li class=fn>virtual void setMultiSelection ( bool enable ) <em>(obsolete)</em></li>
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<li class=fn>bool isMultiSelection () const <em>(obsolete)</em></li>
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<li class=fn>enum <a href="#SelectionMode-enum"><b>SelectionMode</b></a> { Single, Multi, Extended, NoSelection }</li>
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<li class=fn>void <a href="#setSelectionMode"><b>setSelectionMode</b></a> ( SelectionMode mode )</li>
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<li class=fn>SelectionMode <a href="#selectionMode"><b>selectionMode</b></a> () const</li>
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<li class=fn>virtual void <a href="#clearSelection"><b>clearSelection</b></a> ()</li>
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<li class=fn>virtual void <a href="#setSelected"><b>setSelected</b></a> ( TQListViewItem * item, bool selected )</li>
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<li class=fn>void <a href="#setSelectionAnchor"><b>setSelectionAnchor</b></a> ( TQListViewItem * item )</li>
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<li class=fn>bool <a href="#isSelected"><b>isSelected</b></a> ( const TQListViewItem * i ) const</li>
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<li class=fn>TQListViewItem * <a href="#selectedItem"><b>selectedItem</b></a> () const</li>
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<li class=fn>virtual void <a href="#setOpen"><b>setOpen</b></a> ( TQListViewItem * item, bool open )</li>
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<li class=fn>bool <a href="#isOpen"><b>isOpen</b></a> ( const TQListViewItem * item ) const</li>
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<li class=fn>virtual void <a href="#setCurrentItem"><b>setCurrentItem</b></a> ( TQListViewItem * i )</li>
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<li class=fn>TQListViewItem * <a href="#currentItem"><b>currentItem</b></a> () const</li>
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<li class=fn>TQListViewItem * <a href="#firstChild"><b>firstChild</b></a> () const</li>
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<li class=fn>TQListViewItem * <a href="#lastItem"><b>lastItem</b></a> () const</li>
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<li class=fn>int <a href="#childCount"><b>childCount</b></a> () const</li>
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<li class=fn>virtual void <a href="#setAllColumnsShowFocus"><b>setAllColumnsShowFocus</b></a> ( bool )</li>
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<li class=fn>bool <a href="#allColumnsShowFocus"><b>allColumnsShowFocus</b></a> () const</li>
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<li class=fn>virtual void <a href="#setItemMargin"><b>setItemMargin</b></a> ( int )</li>
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<li class=fn>int <a href="#itemMargin"><b>itemMargin</b></a> () const</li>
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<li class=fn>virtual void <a href="#setRootIsDecorated"><b>setRootIsDecorated</b></a> ( bool )</li>
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<li class=fn>bool <a href="#rootIsDecorated"><b>rootIsDecorated</b></a> () const</li>
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<li class=fn>virtual void <a href="#setSorting"><b>setSorting</b></a> ( int column, bool ascending = TRUE )</li>
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<li class=fn>int <a href="#sortColumn"><b>sortColumn</b></a> () const</li>
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<li class=fn>void <a href="#setSortColumn"><b>setSortColumn</b></a> ( int column )</li>
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<li class=fn>SortOrder <a href="#sortOrder"><b>sortOrder</b></a> () const</li>
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<li class=fn>void <a href="#setSortOrder"><b>setSortOrder</b></a> ( SortOrder order )</li>
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<li class=fn>virtual void <a href="#sort"><b>sort</b></a> ()</li>
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<li class=fn>virtual bool <a href="#eventFilter"><b>eventFilter</b></a> ( TQObject * o, TQEvent * e )</li>
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<li class=fn>virtual void <a href="#setShowSortIndicator"><b>setShowSortIndicator</b></a> ( bool show )</li>
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<li class=fn>bool <a href="#showSortIndicator"><b>showSortIndicator</b></a> () const</li>
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<li class=fn>virtual void <a href="#setShowToolTips"><b>setShowToolTips</b></a> ( bool b )</li>
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<li class=fn>bool <a href="#showToolTips"><b>showToolTips</b></a> () const</li>
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<li class=fn>enum <a href="#ResizeMode-enum"><b>ResizeMode</b></a> { NoColumn, AllColumns, LastColumn }</li>
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<li class=fn>virtual void <a href="#setResizeMode"><b>setResizeMode</b></a> ( ResizeMode m )</li>
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<li class=fn>ResizeMode <a href="#resizeMode"><b>resizeMode</b></a> () const</li>
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<li class=fn>TQListViewItem * <a href="#findItem"><b>findItem</b></a> ( const TQString & text, int column, ComparisonFlags compare = ExactMatch | CaseSensitive ) const</li>
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<li class=fn>enum <a href="#RenameAction-enum"><b>RenameAction</b></a> { Accept, Reject }</li>
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<li class=fn>virtual void <a href="#setDefaultRenameAction"><b>setDefaultRenameAction</b></a> ( RenameAction a )</li>
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<li class=fn>RenameAction <a href="#defaultRenameAction"><b>defaultRenameAction</b></a> () const</li>
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<li class=fn>bool <a href="#isRenaming"><b>isRenaming</b></a> () const</li>
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<li class=fn>void <a href="#hideColumn"><b>hideColumn</b></a> ( int column )</li>
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</ul>
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<h2>Public Slots</h2>
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<ul>
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<li class=fn>virtual void <a href="#clear"><b>clear</b></a> ()</li>
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<li class=fn>virtual void <a href="#invertSelection"><b>invertSelection</b></a> ()</li>
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<li class=fn>virtual void <a href="#selectAll"><b>selectAll</b></a> ( bool select )</li>
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<li class=fn>void <a href="#triggerUpdate"><b>triggerUpdate</b></a> ()</li>
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<li class=fn>void <a href="#adjustColumn"><b>adjustColumn</b></a> ( int col )</li>
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</ul>
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<h2>Signals</h2>
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<ul>
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<li class=fn>void <a href="#selectionChanged"><b>selectionChanged</b></a> ()</li>
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<li class=fn>void <a href="#selectionChanged-2"><b>selectionChanged</b></a> ( TQListViewItem * )</li>
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<li class=fn>void <a href="#currentChanged"><b>currentChanged</b></a> ( TQListViewItem * )</li>
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<li class=fn>void <a href="#clicked"><b>clicked</b></a> ( TQListViewItem * item )</li>
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<li class=fn>void <a href="#clicked-2"><b>clicked</b></a> ( TQListViewItem * item, const TQPoint & pnt, int c )</li>
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<li class=fn>void <a href="#pressed"><b>pressed</b></a> ( TQListViewItem * item )</li>
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<li class=fn>void <a href="#pressed-2"><b>pressed</b></a> ( TQListViewItem * item, const TQPoint & pnt, int c )</li>
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<li class=fn>void doubleClicked ( TQListViewItem * item ) <em>(obsolete)</em></li>
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<li class=fn>void <a href="#doubleClicked"><b>doubleClicked</b></a> ( TQListViewItem *, const TQPoint &, int )</li>
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<li class=fn>void <a href="#returnPressed"><b>returnPressed</b></a> ( TQListViewItem * )</li>
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<li class=fn>void <a href="#spacePressed"><b>spacePressed</b></a> ( TQListViewItem * )</li>
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<li class=fn>void <a href="#rightButtonClicked"><b>rightButtonClicked</b></a> ( TQListViewItem *, const TQPoint &, int )</li>
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<li class=fn>void <a href="#rightButtonPressed"><b>rightButtonPressed</b></a> ( TQListViewItem *, const TQPoint &, int )</li>
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<li class=fn>void <a href="#mouseButtonPressed"><b>mouseButtonPressed</b></a> ( int button, TQListViewItem * item, const TQPoint & pos, int c )</li>
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<li class=fn>void <a href="#mouseButtonClicked"><b>mouseButtonClicked</b></a> ( int button, TQListViewItem * item, const TQPoint & pos, int c )</li>
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<li class=fn>void <a href="#contextMenuRequested"><b>contextMenuRequested</b></a> ( TQListViewItem * item, const TQPoint & pos, int col )</li>
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<li class=fn>void <a href="#onItem"><b>onItem</b></a> ( TQListViewItem * i )</li>
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<li class=fn>void <a href="#onViewport"><b>onViewport</b></a> ()</li>
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<li class=fn>void <a href="#expanded"><b>expanded</b></a> ( TQListViewItem * item )</li>
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<li class=fn>void <a href="#collapsed"><b>collapsed</b></a> ( TQListViewItem * item )</li>
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<li class=fn>void <a href="#dropped"><b>dropped</b></a> ( TQDropEvent * e )</li>
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<li class=fn>void <a href="#itemRenamed"><b>itemRenamed</b></a> ( TQListViewItem * item, int col, const TQString & text )</li>
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<li class=fn>void <a href="#itemRenamed-2"><b>itemRenamed</b></a> ( TQListViewItem * item, int col )</li>
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</ul>
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<h2>Properties</h2>
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<ul>
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<li class=fn>bool <a href="#allColumnsShowFocus-prop"><b>allColumnsShowFocus</b></a> - whether items should show keyboard focus using all columns</li>
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<li class=fn>int <a href="#childCount-prop"><b>childCount</b></a> - the number of parentless (top-level) TQListViewItem objects in this TQListView <em>(read only)</em></li>
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<li class=fn>int <a href="#columns-prop"><b>columns</b></a> - the number of columns in this list view <em>(read only)</em></li>
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<li class=fn>RenameAction <a href="#defaultRenameAction-prop"><b>defaultRenameAction</b></a> - what action to perform when the editor loses focus during renaming</li>
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<li class=fn>int <a href="#itemMargin-prop"><b>itemMargin</b></a> - the advisory item margin that list items may use</li>
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<li class=fn>bool multiSelection - whether the list view is in multi-selection or extended-selection mode <em>(obsolete)</em></li>
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<li class=fn>ResizeMode <a href="#resizeMode-prop"><b>resizeMode</b></a> - whether all, none or the only the last column should be resized</li>
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<li class=fn>bool <a href="#rootIsDecorated-prop"><b>rootIsDecorated</b></a> - whether the list view shows open/close signs on root items</li>
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<li class=fn>SelectionMode <a href="#selectionMode-prop"><b>selectionMode</b></a> - the list view's selection mode</li>
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<li class=fn>bool <a href="#showSortIndicator-prop"><b>showSortIndicator</b></a> - whether the list view header should display a sort indicator</li>
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<li class=fn>bool <a href="#showToolTips-prop"><b>showToolTips</b></a> - whether this list view should show tooltips for truncated column texts</li>
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<li class=fn>int <a href="#treeStepSize-prop"><b>treeStepSize</b></a> - the number of pixels a child is offset from its parent</li>
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</ul>
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<h2>Protected Members</h2>
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<ul>
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<li class=fn>virtual void <a href="#contentsMousePressEvent"><b>contentsMousePressEvent</b></a> ( TQMouseEvent * e )</li>
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<li class=fn>virtual void <a href="#contentsMouseReleaseEvent"><b>contentsMouseReleaseEvent</b></a> ( TQMouseEvent * e )</li>
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<li class=fn>virtual void <a href="#contentsMouseMoveEvent"><b>contentsMouseMoveEvent</b></a> ( TQMouseEvent * e )</li>
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<li class=fn>virtual void <a href="#contentsMouseDoubleClickEvent"><b>contentsMouseDoubleClickEvent</b></a> ( TQMouseEvent * e )</li>
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<li class=fn>virtual TQDragObject * <a href="#dragObject"><b>dragObject</b></a> ()</li>
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<li class=fn>virtual void <a href="#startDrag"><b>startDrag</b></a> ()</li>
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<li class=fn>virtual void <a href="#resizeEvent"><b>resizeEvent</b></a> ( TQResizeEvent * e )</li>
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<li class=fn>virtual void <a href="#drawContentsOffset"><b>drawContentsOffset</b></a> ( TQPainter * p, int ox, int oy, int cx, int cy, int cw, int ch )</li>
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<li class=fn>virtual void <a href="#paintEmptyArea"><b>paintEmptyArea</b></a> ( TQPainter * p, const TQRect & rect )</li>
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</ul>
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<h2>Protected Slots</h2>
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<ul>
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<li class=fn>void <a href="#updateContents"><b>updateContents</b></a> ()</li>
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<li class=fn>void <a href="#doAutoScroll"><b>doAutoScroll</b></a> ()</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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The TQListView class implements a list/tree view.
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<p>
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<p> It can display and control a hierarchy of multi-column items, and
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provides the ability to add new items at any time. The user may
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select one or many items (depending on the <a href="#SelectionMode-enum">SelectionMode</a>) and
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sort the list in increasing or decreasing order by any column.
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<p> The simplest pattern of use is to create a TQListView, add some
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column headers using <a href="#addColumn">addColumn</a>() and create one or more
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<a href="tqlistviewitem.html">TQListViewItem</a> or <a href="tqchecklistitem.html">TQCheckListItem</a> objects with the TQListView as
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parent:
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<p>
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<pre> TQListView * table;
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</pre>
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<pre> table->addColumn( "Qualified name" );
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table->addColumn( "Namespace" );
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</pre><pre> element = new <a href="tqlistviewitem.html">TQListViewItem</a>( table, qName, namespaceURI );
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</pre>
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<p> Further nodes can be added to the list view object (the root of the
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tree) or as child nodes to TQListViewItems:
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<p> <pre> <a name="x2105"></a> for ( int i = 0 ; i < attributes.<a href="tqxmlattributes.html#length">length</a>(); i++ ) {
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<a name="x2107"></a><a name="x2106"></a> new <a href="tqlistviewitem.html">TQListViewItem</a>( element, attributes.<a href="tqxmlattributes.html#qName">qName</a>(i), attributes.<a href="tqxmlattributes.html#uri">uri</a>(i) );
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}
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</pre>
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<p> (From <a href="tagreader-with-features-example.html">xml/tagreader-with-features/structureparser.cpp</a>)
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<p> The main setup functions are:
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<center><table cellpadding="4" cellspacing="2" border="0">
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<tr bgcolor="#a2c511"> <th valign="top">Function <th valign="top">Action
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<tr bgcolor="#f0f0f0"> <td valign="top"><a href="#addColumn">addColumn</a>()
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<td valign="top">Adds a column with a text label and perhaps width. Columns
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are counted from the left starting with column 0.
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<tr bgcolor="#d0d0d0"> <td valign="top"><a href="#setColumnWidthMode">setColumnWidthMode</a>()
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<td valign="top">Sets the column to be resized automatically or not.
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<tr bgcolor="#f0f0f0"> <td valign="top"><a href="#setAllColumnsShowFocus">setAllColumnsShowFocus</a>()
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<td valign="top">Sets whether items should show <a href="focus.html#keyboard-focus">keyboard focus</a> using all
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columns or just column 0. The default is to show focus
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just using column 0.
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<tr bgcolor="#d0d0d0"> <td valign="top"><a href="#setRootIsDecorated">setRootIsDecorated</a>()
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<td valign="top">Sets whether root items should show open/close decoration to their left.
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The default is FALSE.
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<tr bgcolor="#f0f0f0"> <td valign="top"><a href="#setTreeStepSize">setTreeStepSize</a>()
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<td valign="top">Sets how many pixels an item's children are indented
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relative to their parent. The default is 20. This is
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mostly a matter of taste.
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<tr bgcolor="#d0d0d0"> <td valign="top"><a href="#setSorting">setSorting</a>()
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<td valign="top">Sets whether the items should be sorted, whether it should
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be in ascending or descending order, and by what column
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they should be sorted. By default the list view is sorted
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by the first column; to switch this off call <a href="#setSorting">setSorting</a>(-1).
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</table></center>
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<p> To handle events such as mouse presses on the list view, derived
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classes can reimplement the <a href="tqscrollview.html">TQScrollView</a> functions:
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<a href="tqscrollview.html#contentsMousePressEvent">contentsMousePressEvent</a>,
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<a href="tqscrollview.html#contentsMouseReleaseEvent">contentsMouseReleaseEvent</a>,
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<a href="tqscrollview.html#contentsMouseDoubleClickEvent">contentsMouseDoubleClickEvent</a>,
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<a href="tqscrollview.html#contentsMouseMoveEvent">contentsMouseMoveEvent</a>,
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<a href="tqscrollview.html#contentsDragEnterEvent">contentsDragEnterEvent</a>,
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<a href="tqscrollview.html#contentsDragMoveEvent">contentsDragMoveEvent</a>,
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<a href="tqscrollview.html#contentsDragLeaveEvent">contentsDragLeaveEvent</a>,
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<a href="tqscrollview.html#contentsDropEvent">contentsDropEvent</a>, and
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<a href="tqscrollview.html#contentsWheelEvent">contentsWheelEvent</a>.
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<p> There are also several functions for mapping between items and
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coordinates. <a href="#itemAt">itemAt</a>() returns the item at a position on-screen,
|
|
<a href="#itemRect">itemRect</a>() returns the rectangle an item occupies on the screen,
|
|
and <a href="#itemPos">itemPos</a>() returns the position of any item (whether it is
|
|
on-screen or not). <a href="#firstChild">firstChild</a>() returns the list view's first item
|
|
(not necessarily visible on-screen).
|
|
<p> You can iterate over visible items using
|
|
<a href="tqlistviewitem.html#itemBelow">TQListViewItem::itemBelow</a>(); over a list view's top-level items
|
|
using <a href="tqlistviewitem.html#firstChild">TQListViewItem::firstChild</a>() and
|
|
<a href="tqlistviewitem.html#nextSibling">TQListViewItem::nextSibling</a>(); or every item using a
|
|
<a href="tqlistviewitemiterator.html">TQListViewItemIterator</a>. See
|
|
the <a href="tqlistviewitem.html">TQListViewItem</a> documentation for examples of traversal.
|
|
<p> An item can be moved amongst its siblings using
|
|
<a href="tqlistviewitem.html#moveItem">TQListViewItem::moveItem</a>(). To move an item in the hierarchy use
|
|
<a href="#takeItem">takeItem</a>() and <a href="#insertItem">insertItem</a>(). Item's (and all their child items)
|
|
are deleted with <tt>delete</tt>; to delete all the list view's items
|
|
use <a href="#clear">clear</a>().
|
|
<p> There are a variety of selection modes described in the
|
|
TQListView::SelectionMode documentation. The default is <a href="#SelectionMode-enum">Single</a>
|
|
selection, which you can change using <a href="#setSelectionMode">setSelectionMode</a>().
|
|
<p> Because TQListView offers multiple selection it must display
|
|
keyboard focus and selection state separately. Therefore there are
|
|
functions both to set the selection state of an item
|
|
(<a href="#setSelected">setSelected</a>()) and to set which item displays keyboard focus
|
|
(<a href="#setCurrentItem">setCurrentItem</a>()).
|
|
<p> TQListView emits two groups of signals; one group signals changes
|
|
in selection/focus state and one indicates selection. The first
|
|
group consists of <a href="#selectionChanged">selectionChanged</a>() (applicable to all list
|
|
views), selectionChanged(<a href="tqlistviewitem.html">TQListViewItem</a>*) (applicable only to a
|
|
<a href="#SelectionMode-enum">Single</a> selection list view), and <a href="#currentChanged">currentChanged</a>(TQListViewItem*).
|
|
The second group consists of <a href="#doubleClicked">doubleClicked</a>(TQListViewItem*),
|
|
<a href="#returnPressed">returnPressed</a>(TQListViewItem*),
|
|
<a href="#rightButtonClicked">rightButtonClicked</a>(TQListViewItem*, const <a href="tqpoint.html">TQPoint</a>&, int), etc.
|
|
<p> Note that changing the state of the list view in a slot connected
|
|
to a list view signal may cause unexpected side effects. If you
|
|
need to change the list view's state in response to a signal, use
|
|
a <a href="tqtimer.html#singleShot">single shot timer</a> with a
|
|
time out of 0, and connect this timer to a slot that modifies the
|
|
list view's state.
|
|
<p> In Motif style, TQListView deviates fairly strongly from the look
|
|
and feel of the Motif hierarchical tree view. This is done mostly
|
|
to provide a usable keyboard interface and to make the list view
|
|
look better with a white background.
|
|
<p> If <a href="#selectionMode">selectionMode</a>() is <a href="#SelectionMode-enum">Single</a> (the default) the user can select
|
|
one item at a time, e.g. by clicking an item with the mouse, see
|
|
<a href="#SelectionMode-enum">TQListView::SelectionMode</a> for details.
|
|
<p> The list view can be navigated either using the mouse or the
|
|
keyboard. Clicking a <b>-</b> icon closes an item (hides its
|
|
children) and clicking a <b>+</b> icon opens an item (shows its
|
|
children). The keyboard controls are these:
|
|
<center><table cellpadding="4" cellspacing="2" border="0">
|
|
<tr bgcolor="#a2c511"> <th valign="top">Keypress <th valign="top">Action
|
|
<tr bgcolor="#f0f0f0"> <td valign="top">Home
|
|
<td valign="top">Make the first item current and visible.
|
|
<tr bgcolor="#d0d0d0"> <td valign="top">End
|
|
<td valign="top">Make the last item current and visible.
|
|
<tr bgcolor="#f0f0f0"> <td valign="top">Page Up
|
|
<td valign="top">Make the item above the top visible item current and visible.
|
|
<tr bgcolor="#d0d0d0"> <td valign="top">Page Down
|
|
<td valign="top">Make the item below the bottom visible item current and visible.
|
|
<tr bgcolor="#f0f0f0"> <td valign="top">Up Arrow
|
|
<td valign="top">Make the item above the current item current and visible.
|
|
<tr bgcolor="#d0d0d0"> <td valign="top">Down Arrow
|
|
<td valign="top">Make the item below the current item current and visible.
|
|
<tr bgcolor="#f0f0f0"> <td valign="top">Left Arrow
|
|
<td valign="top">If the current item is closed (<b>+</b> icon) or has no
|
|
children, make its parent item current and visible. If the
|
|
current item is open (<b>-</b> icon) close it, i.e. hide its
|
|
children. Exception: if the current item is the first item
|
|
and is closed and the horizontal scrollbar is offset to
|
|
the right the list view will be scrolled left.
|
|
<tr bgcolor="#d0d0d0"> <td valign="top">Right Arrow
|
|
<td valign="top">If the current item is closed (<b>+</b> icon) and has
|
|
children, the item is opened. If the current item is
|
|
opened (<b>-</b> icon) and has children the item's first
|
|
child is made current and visible. If the current item has
|
|
no children the list view is scrolled right.
|
|
</table></center>
|
|
<p> If the user starts typing letters with the focus in the list view
|
|
an incremental search will occur. For example if the user types
|
|
'd' the current item will change to the first item that begins
|
|
with the letter 'd'; if they then type 'a', the current item will
|
|
change to the first item that begins with 'da', and so on. If no
|
|
item begins with the letters they type the current item doesn't
|
|
change.
|
|
<p> <b>Warning:</b> The list view assumes ownership of all list view items
|
|
and will delete them when it does not need them any more.
|
|
<p> <img src=tqlistview-m.png> <img src=tqlistview-w.png>
|
|
<p> <p>See also <a href="tqlistviewitem.html">TQListViewItem</a>, <a href="tqchecklistitem.html">TQCheckListItem</a>, and <a href="advanced.html">Advanced Widgets</a>.
|
|
|
|
<hr><h2>Member Type Documentation</h2>
|
|
<h3 class=fn><a name="RenameAction-enum"></a>TQListView::RenameAction</h3>
|
|
|
|
<p> This enum describes whether a rename operation is accepted if the
|
|
rename editor loses focus without the user pressing Enter.
|
|
<ul>
|
|
<li><tt>TQListView::Accept</tt> - Rename if Enter is pressed or focus is lost.
|
|
<li><tt>TQListView::Reject</tt> - Discard the rename operation if focus is lost (and
|
|
Enter has not been pressed).
|
|
</ul>
|
|
<h3 class=fn><a name="ResizeMode-enum"></a>TQListView::ResizeMode</h3>
|
|
|
|
<p> This enum describes how the list view's header adjusts to resize
|
|
events which affect the width of the list view.
|
|
<ul>
|
|
<li><tt>TQListView::NoColumn</tt> - The columns do not get resized in resize events.
|
|
<li><tt>TQListView::AllColumns</tt> - All columns are resized equally to fit the width
|
|
of the list view.
|
|
<li><tt>TQListView::LastColumn</tt> - The last column is resized to fit the width of
|
|
the list view.
|
|
</ul>
|
|
<h3 class=fn><a name="SelectionMode-enum"></a>TQListView::SelectionMode</h3>
|
|
|
|
<p> This enumerated type is used by TQListView to indicate how it
|
|
reacts to selection by the user.
|
|
<ul>
|
|
<li><tt>TQListView::Single</tt> - When the user selects an item, any already-selected
|
|
item becomes unselected. The user can unselect the selected
|
|
item by clicking on some empty space within the view.
|
|
<li><tt>TQListView::Multi</tt> - When the user selects an item in the usual way, the
|
|
selection status of that item is toggled and the other items are
|
|
left alone. Also, multiple items can be selected by dragging the
|
|
mouse while the left mouse button stays pressed.
|
|
<li><tt>TQListView::Extended</tt> - When the user selects an item in the usual way,
|
|
the selection is cleared and the new item selected. However, if
|
|
the user presses the Ctrl key when clicking on an item, the
|
|
clicked item gets toggled and all other items are left untouched.
|
|
And if the user presses the Shift key while clicking on an item,
|
|
all items between the current item and the clicked item get
|
|
selected or unselected, depending on the state of the clicked
|
|
item. Also, multiple items can be selected by dragging the mouse
|
|
over them.
|
|
<li><tt>TQListView::NoSelection</tt> - Items cannot be selected.
|
|
</ul><p> In other words, <a href="#SelectionMode-enum">Single</a> is a real single-selection list view, <a href="#SelectionMode-enum">Multi</a> a real multi-selection list view, <a href="#SelectionMode-enum">Extended</a> is a list view
|
|
where users can select multiple items but usually want to select
|
|
either just one or a range of contiguous items, and <a href="#SelectionMode-enum">NoSelection</a>
|
|
is a list view where the user can look but not touch.
|
|
|
|
<h3 class=fn><a name="WidthMode-enum"></a>TQListView::WidthMode</h3>
|
|
|
|
<p> This enum type describes how the width of a column in the view
|
|
changes.
|
|
<ul>
|
|
<li><tt>TQListView::Manual</tt> - the column width does not change automatically.
|
|
<li><tt>TQListView::Maximum</tt> - the column is automatically sized according to the
|
|
widths of all items in the column. (Note: The column never shrinks
|
|
in this case.) This means that the column is always resized to the
|
|
width of the item with the largest width in the column.
|
|
</ul><p> <p>See also <a href="#setColumnWidth">setColumnWidth</a>(), <a href="#setColumnWidthMode">setColumnWidthMode</a>(), and <a href="#columnWidth">columnWidth</a>().
|
|
|
|
<hr><h2>Member Function Documentation</h2>
|
|
<h3 class=fn><a name="TQListView"></a>TQListView::TQListView ( <a href="tqwidget.html">TQWidget</a> * parent = 0, const char * name = 0, WFlags f = 0 )
|
|
</h3>
|
|
Constructs a new empty list view called <em>name</em> with parent <em>parent</em>.
|
|
<p> Performance is boosted by modifying the widget flags <em>f</em> so that
|
|
only part of the <a href="tqlistviewitem.html">TQListViewItem</a> children is redrawn. This may be
|
|
unsuitable for custom TQListViewItem classes, in which case <a href="tqt.html#WidgetFlags-enum">WStaticContents</a> and <a href="tqt.html#WidgetFlags-enum">WNoAutoErase</a> should be cleared.
|
|
<p> <p>See also <a href="tqwidget.html#clearWFlags">TQWidget::clearWFlags</a>() and <a href="tqt.html#WidgetFlags-enum">TQt::WidgetFlags</a>.
|
|
|
|
<h3 class=fn><a name="~TQListView"></a>TQListView::~TQListView ()
|
|
</h3>
|
|
Destroys the list view, deleting all its items, and frees up all
|
|
allocated resources.
|
|
|
|
<h3 class=fn>int <a name="addColumn"></a>TQListView::addColumn ( const <a href="tqstring.html">TQString</a> & label, int width = -1 )<tt> [virtual]</tt>
|
|
</h3>
|
|
Adds a <em>width</em> pixels wide column with the column header <em>label</em>
|
|
to the list view, and returns the index of the new column.
|
|
<p> All columns apart from the first one are inserted to the right of
|
|
the existing ones.
|
|
<p> If <em>width</em> is negative, the new column's <a href="#WidthMode-enum">WidthMode</a> is set to
|
|
<a href="#WidthMode-enum">Maximum</a> instead of <a href="#WidthMode-enum">Manual</a>.
|
|
<p> <p>See also <a href="#setColumnText">setColumnText</a>(), <a href="#setColumnWidth">setColumnWidth</a>(), and <a href="#setColumnWidthMode">setColumnWidthMode</a>().
|
|
|
|
<p>Examples: <a href="addressbook-example.html#x585">addressbook/centralwidget.cpp</a>, <a href="checklists-example.html#x427">checklists/checklists.cpp</a>, <a href="dirview-example.html#x1714">dirview/main.cpp</a>, <a href="fileiconview-example.html#x886">fileiconview/mainwindow.cpp</a>, <a href="listviews-example.html#x141">listviews/listviews.cpp</a>, and <a href="tqdir-example.html#x1827">tqdir/tqdir.cpp</a>.
|
|
<h3 class=fn>int <a name="addColumn-2"></a>TQListView::addColumn ( const <a href="tqiconset.html">TQIconSet</a> & iconset, const <a href="tqstring.html">TQString</a> & label, int width = -1 )<tt> [virtual]</tt>
|
|
</h3>
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> Adds a <em>width</em> pixels wide new column with the header <em>label</em>
|
|
and the <em>iconset</em> to the list view, and returns the index of the
|
|
column.
|
|
<p> If <em>width</em> is negative, the new column's <a href="#WidthMode-enum">WidthMode</a> is set to
|
|
<a href="#WidthMode-enum">Maximum</a>, and to <a href="#WidthMode-enum">Manual</a> otherwise.
|
|
<p> <p>See also <a href="#setColumnText">setColumnText</a>(), <a href="#setColumnWidth">setColumnWidth</a>(), and <a href="#setColumnWidthMode">setColumnWidthMode</a>().
|
|
|
|
<h3 class=fn>void <a name="adjustColumn"></a>TQListView::adjustColumn ( int col )<tt> [slot]</tt>
|
|
</h3> Adjusts the column <em>col</em> to its preferred width
|
|
<h3 class=fn>bool <a name="allColumnsShowFocus"></a>TQListView::allColumnsShowFocus () const
|
|
</h3><p>Returns TRUE if items should show keyboard focus using all columns; otherwise returns FALSE.
|
|
See the <a href="tqlistview.html#allColumnsShowFocus-prop">"allColumnsShowFocus"</a> property for details.
|
|
<h3 class=fn>int <a name="childCount"></a>TQListView::childCount () const
|
|
</h3><p>Returns the number of parentless (top-level) <a href="tqlistviewitem.html">TQListViewItem</a> objects in this TQListView.
|
|
See the <a href="tqlistview.html#childCount-prop">"childCount"</a> property for details.
|
|
<h3 class=fn>void <a name="clear"></a>TQListView::clear ()<tt> [virtual slot]</tt>
|
|
</h3>
|
|
Removes and deletes all the items in this list view and triggers
|
|
an update.
|
|
<p> Note that the <a href="#currentChanged">currentChanged</a>() signal is not emitted when this slot is invoked.
|
|
<p>See also <a href="#triggerUpdate">triggerUpdate</a>().
|
|
|
|
<p>Examples: <a href="addressbook-example.html#x586">addressbook/centralwidget.cpp</a>, <a href="checklists-example.html#x428">checklists/checklists.cpp</a> and <a href="listviews-example.html#x142">listviews/listviews.cpp</a>.
|
|
<h3 class=fn>void <a name="clearSelection"></a>TQListView::clearSelection ()<tt> [virtual]</tt>
|
|
</h3>
|
|
Sets all the items to be not selected, updates the list view as
|
|
necessary, and emits the <a href="#selectionChanged">selectionChanged</a>() signals. Note that for
|
|
<a href="#SelectionMode-enum">Multi</a> selection list views this function needs to iterate over
|
|
<em>all</em> items.
|
|
<p> <p>See also <a href="#setSelected">setSelected</a>() and <a href="#multiSelection-prop">multiSelection</a>.
|
|
|
|
<p>Example: <a href="addressbook-example.html#x587">addressbook/centralwidget.cpp</a>.
|
|
<h3 class=fn>void <a name="clicked"></a>TQListView::clicked ( <a href="tqlistviewitem.html">TQListViewItem</a> * item )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted whenever the user clicks (mouse pressed <em>and</em> mouse released) in the list view. <em>item</em> is the clicked list
|
|
view item, or 0 if the user didn't click on an item.
|
|
<p> <b>Warning:</b> Do not delete any <a href="tqlistviewitem.html">TQListViewItem</a> objects in slots
|
|
connected to this signal.
|
|
|
|
<p>Example: <a href="addressbook-example.html#x588">addressbook/centralwidget.cpp</a>.
|
|
<h3 class=fn>void <a name="clicked-2"></a>TQListView::clicked ( <a href="tqlistviewitem.html">TQListViewItem</a> * item, const <a href="tqpoint.html">TQPoint</a> & pnt, int c )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> This signal is emitted whenever the user clicks (mouse pressed <em>and</em> mouse released) in the list view. <em>item</em> is the clicked list
|
|
view item, or 0 if the user didn't click on an item. <em>pnt</em> is the
|
|
position where the user has clicked in global coordinates. If <em>item</em> is not 0, <em>c</em> is the list view column into which the user
|
|
pressed; if <em>item</em> is 0 <em>c</em>'s value is undefined.
|
|
<p> <b>Warning:</b> Do not delete any <a href="tqlistviewitem.html">TQListViewItem</a> objects in slots
|
|
connected to this signal.
|
|
|
|
<h3 class=fn>void <a name="collapsed"></a>TQListView::collapsed ( <a href="tqlistviewitem.html">TQListViewItem</a> * item )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted when the <em>item</em> has been collapsed, i.e.
|
|
when the children of <em>item</em> are hidden.
|
|
<p> <p>See also <a href="#setOpen">setOpen</a>() and <a href="#expanded">expanded</a>().
|
|
|
|
<h3 class=fn>int <a name="columnAlignment"></a>TQListView::columnAlignment ( int column ) const
|
|
</h3>
|
|
Returns the alignment of column <em>column</em>. The default is <a href="tqt.html#AlignmentFlags-enum">AlignAuto</a>.
|
|
<p> <p>See also <a href="tqt.html#AlignmentFlags-enum">TQt::AlignmentFlags</a>.
|
|
|
|
<h3 class=fn><a href="tqstring.html">TQString</a> <a name="columnText"></a>TQListView::columnText ( int c ) const
|
|
</h3>
|
|
Returns the text of column <em>c</em>.
|
|
<p> <p>See also <a href="#setColumnText">setColumnText</a>().
|
|
|
|
<h3 class=fn>int <a name="columnWidth"></a>TQListView::columnWidth ( int c ) const
|
|
</h3>
|
|
Returns the width of column <em>c</em>.
|
|
<p> <p>See also <a href="#setColumnWidth">setColumnWidth</a>().
|
|
|
|
<h3 class=fn><a href="tqlistview.html#WidthMode-enum">WidthMode</a> <a name="columnWidthMode"></a>TQListView::columnWidthMode ( int c ) const
|
|
</h3>
|
|
Returns the <a href="#WidthMode-enum">WidthMode</a> for column <em>c</em>.
|
|
<p> <p>See also <a href="#setColumnWidthMode">setColumnWidthMode</a>().
|
|
|
|
<h3 class=fn>int <a name="columns"></a>TQListView::columns () const
|
|
</h3><p>Returns the number of columns in this list view.
|
|
See the <a href="tqlistview.html#columns-prop">"columns"</a> property for details.
|
|
<h3 class=fn>void <a name="contentsMouseDoubleClickEvent"></a>TQListView::contentsMouseDoubleClickEvent ( <a href="tqmouseevent.html">TQMouseEvent</a> * e )<tt> [virtual protected]</tt>
|
|
</h3>
|
|
Processes the mouse double-click event <em>e</em> on behalf of the viewed widget.
|
|
|
|
<p>Reimplemented from <a href="tqscrollview.html#contentsMouseDoubleClickEvent">TQScrollView</a>.
|
|
<h3 class=fn>void <a name="contentsMouseMoveEvent"></a>TQListView::contentsMouseMoveEvent ( <a href="tqmouseevent.html">TQMouseEvent</a> * e )<tt> [virtual protected]</tt>
|
|
</h3>
|
|
Processes the mouse move event <em>e</em> on behalf of the viewed widget.
|
|
|
|
<p>Example: <a href="dirview-example.html#x1683">dirview/dirview.cpp</a>.
|
|
<p>Reimplemented from <a href="tqscrollview.html#contentsMouseMoveEvent">TQScrollView</a>.
|
|
<h3 class=fn>void <a name="contentsMousePressEvent"></a>TQListView::contentsMousePressEvent ( <a href="tqmouseevent.html">TQMouseEvent</a> * e )<tt> [virtual protected]</tt>
|
|
</h3>
|
|
Processes the mouse press event <em>e</em> on behalf of the viewed widget.
|
|
|
|
<p>Example: <a href="dirview-example.html#x1684">dirview/dirview.cpp</a>.
|
|
<p>Reimplemented from <a href="tqscrollview.html#contentsMousePressEvent">TQScrollView</a>.
|
|
<h3 class=fn>void <a name="contentsMouseReleaseEvent"></a>TQListView::contentsMouseReleaseEvent ( <a href="tqmouseevent.html">TQMouseEvent</a> * e )<tt> [virtual protected]</tt>
|
|
</h3>
|
|
Processes the mouse release event <em>e</em> on behalf of the viewed widget.
|
|
|
|
<p>Example: <a href="dirview-example.html#x1685">dirview/dirview.cpp</a>.
|
|
<p>Reimplemented from <a href="tqscrollview.html#contentsMouseReleaseEvent">TQScrollView</a>.
|
|
<h3 class=fn>void <a name="contextMenuRequested"></a>TQListView::contextMenuRequested ( <a href="tqlistviewitem.html">TQListViewItem</a> * item, const <a href="tqpoint.html">TQPoint</a> & pos, int col )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted when the user invokes a context menu with
|
|
the right mouse button or with special system keys. If the
|
|
keyboard was used <em>item</em> is the current item; if the mouse was
|
|
used, <em>item</em> is the item under the mouse pointer or 0 if there is
|
|
no item under the mouse pointer. If no item is clicked, the column
|
|
index emitted is -1.
|
|
<p> <em>pos</em> is the position for the context menu in the global
|
|
coordinate system.
|
|
<p> <em>col</em> is the column on which the user pressed, or -1 if the
|
|
signal was triggered by a key event.
|
|
|
|
<p>Example: <a href="listviews-example.html#x143">listviews/listviews.cpp</a>.
|
|
<h3 class=fn>void <a name="currentChanged"></a>TQListView::currentChanged ( <a href="tqlistviewitem.html">TQListViewItem</a> * )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted whenever the current item has changed
|
|
(normally after the screen update). The current item is the item
|
|
responsible for indicating <a href="focus.html#keyboard-focus">keyboard focus</a>.
|
|
<p> The argument is the newly current item, or 0 if the change made no
|
|
item current. This can happen, for example, if all items in the
|
|
list view are deleted.
|
|
<p> <b>Warning:</b> Do not delete any <a href="tqlistviewitem.html">TQListViewItem</a> objects in slots
|
|
connected to this signal.
|
|
<p> <p>See also <a href="#setCurrentItem">setCurrentItem</a>() and <a href="#currentItem">currentItem</a>().
|
|
|
|
<p>Example: <a href="listviews-example.html#x144">listviews/listviews.cpp</a>.
|
|
<h3 class=fn><a href="tqlistviewitem.html">TQListViewItem</a> * <a name="currentItem"></a>TQListView::currentItem () const
|
|
</h3>
|
|
Returns the current item, or 0 if there isn't one.
|
|
<p> <p>See also <a href="#setCurrentItem">setCurrentItem</a>().
|
|
|
|
<p>Examples: <a href="addressbook-example.html#x589">addressbook/centralwidget.cpp</a> and <a href="listviews-example.html#x145">listviews/listviews.cpp</a>.
|
|
<h3 class=fn><a href="tqlistview.html#RenameAction-enum">RenameAction</a> <a name="defaultRenameAction"></a>TQListView::defaultRenameAction () const
|
|
</h3><p>Returns what action to perform when the editor loses focus during renaming.
|
|
See the <a href="tqlistview.html#defaultRenameAction-prop">"defaultRenameAction"</a> property for details.
|
|
<h3 class=fn>void <a name="doAutoScroll"></a>TQListView::doAutoScroll ()<tt> [protected slot]</tt>
|
|
</h3>
|
|
This slot handles auto-scrolling when the mouse button is pressed
|
|
and the mouse is outside the widget.
|
|
|
|
<h3 class=fn>void <a name="doubleClicked"></a>TQListView::doubleClicked ( <a href="tqlistviewitem.html">TQListViewItem</a> *, const <a href="tqpoint.html">TQPoint</a> &, int )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted whenever an item is double-clicked. It's
|
|
emitted on the second button press, not the second button release.
|
|
The arguments are the relevant <a href="tqlistviewitem.html">TQListViewItem</a> (may be 0), the point
|
|
in global coordinates and the relevant column (or -1 if the click
|
|
was outside the list).
|
|
<p> <b>Warning:</b> Do not delete any TQListViewItem objects in slots
|
|
connected to this signal.
|
|
|
|
<h3 class=fn>void <a name="doubleClicked-2"></a>TQListView::doubleClicked ( <a href="tqlistviewitem.html">TQListViewItem</a> * item )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> <b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
|
|
(use <a href="#doubleClicked">doubleClicked</a>( <a href="tqlistviewitem.html">TQListViewItem</a> *, const <a href="tqpoint.html">TQPoint</a>&, int ))
|
|
<p> This signal is emitted whenever an item is double-clicked. It's
|
|
emitted on the second button press, not the second button release.
|
|
<em>item</em> is the list view item on which the user did the
|
|
double-click.
|
|
|
|
<h3 class=fn><a href="tqdragobject.html">TQDragObject</a> * <a name="dragObject"></a>TQListView::dragObject ()<tt> [virtual protected]</tt>
|
|
</h3>
|
|
If the user presses the mouse on an item and starts moving the
|
|
mouse, and the item allow dragging (see
|
|
<a href="tqlistviewitem.html#setDragEnabled">TQListViewItem::setDragEnabled</a>()), this function is called to get a
|
|
drag object and a drag is started unless <a href="#dragObject">dragObject</a>() returns 0.
|
|
<p> By default this function returns 0. You should reimplement it and
|
|
create a <a href="tqdragobject.html">TQDragObject</a> depending on the selected items.
|
|
|
|
<h3 class=fn>void <a name="drawContentsOffset"></a>TQListView::drawContentsOffset ( <a href="tqpainter.html">TQPainter</a> * p, int ox, int oy, int cx, int cy, int cw, int ch )<tt> [virtual protected]</tt>
|
|
</h3>
|
|
Calls <a href="tqlistviewitem.html#paintCell">TQListViewItem::paintCell</a>() and
|
|
<a href="tqlistviewitem.html#paintBranches">TQListViewItem::paintBranches</a>() as necessary for all list view
|
|
items that require repainting in the <em>cw</em> pixels wide and <em>ch</em>
|
|
pixels high bounding rectangle starting at position <em>cx</em>, <em>cy</em>
|
|
with offset <em>ox</em>, <em>oy</em>. Uses the painter <em>p</em>.
|
|
|
|
<p>Reimplemented from <a href="tqscrollview.html#drawContentsOffset">TQScrollView</a>.
|
|
<h3 class=fn>void <a name="dropped"></a>TQListView::dropped ( <a href="tqdropevent.html">TQDropEvent</a> * e )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted, when a drop event occurred on the
|
|
viewport (not onto an item).
|
|
<p> <em>e</em> provides all the information about the drop.
|
|
|
|
<h3 class=fn>void <a name="ensureItemVisible"></a>TQListView::ensureItemVisible ( const <a href="tqlistviewitem.html">TQListViewItem</a> * i )
|
|
</h3>
|
|
Ensures that item <em>i</em> is visible, scrolling the list view
|
|
vertically if necessary and opening (expanding) any parent items
|
|
if this is required to show the item.
|
|
<p> <p>See also <a href="#itemRect">itemRect</a>() and <a href="tqscrollview.html#ensureVisible">TQScrollView::ensureVisible</a>().
|
|
|
|
<h3 class=fn>bool <a name="eventFilter"></a>TQListView::eventFilter ( <a href="tqobject.html">TQObject</a> * o, <a href="tqevent.html">TQEvent</a> * e )<tt> [virtual]</tt>
|
|
</h3>
|
|
Redirects the event <em>e</em> relating to object <em>o</em>, for the viewport
|
|
to <a href="tqwidget.html#mousePressEvent">mousePressEvent</a>(), <a href="tqwidget.html#keyPressEvent">keyPressEvent</a>() and friends.
|
|
|
|
<p>Reimplemented from <a href="tqscrollview.html#eventFilter">TQScrollView</a>.
|
|
<h3 class=fn>void <a name="expanded"></a>TQListView::expanded ( <a href="tqlistviewitem.html">TQListViewItem</a> * item )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted when <em>item</em> has been expanded, i.e. when
|
|
the children of <em>item</em> are shown.
|
|
<p> <p>See also <a href="#setOpen">setOpen</a>() and <a href="#collapsed">collapsed</a>().
|
|
|
|
<h3 class=fn><a href="tqlistviewitem.html">TQListViewItem</a> * <a name="findItem"></a>TQListView::findItem ( const <a href="tqstring.html">TQString</a> & text, int column, ComparisonFlags compare = ExactMatch | CaseSensitive ) const
|
|
</h3>
|
|
Finds the first list view item in column <em>column</em>, that matches
|
|
<em>text</em> and returns the item, or returns 0 of no such item could
|
|
be found.
|
|
The search starts from the current item if the current item exists,
|
|
otherwise it starts from the first list view item. After reaching
|
|
the last item the search continues from the first item.
|
|
Pass OR-ed together <a href="tqt.html#StringComparisonMode-enum">TQt::StringComparisonMode</a> values
|
|
in the <em>compare</em> flag, to control how the matching is performed.
|
|
The default comparison mode is case-sensitive, exact match.
|
|
|
|
<h3 class=fn><a href="tqlistviewitem.html">TQListViewItem</a> * <a name="firstChild"></a>TQListView::firstChild () const
|
|
</h3>
|
|
Returns the first item in this TQListView. Returns 0 if there is no
|
|
first item.
|
|
<p> A list view's items can be traversed using <a href="#firstChild">firstChild</a>()
|
|
and nextSibling() or using a <a href="tqlistviewitemiterator.html">TQListViewItemIterator</a>.
|
|
<p> <p>See also <a href="#itemAt">itemAt</a>(), <a href="tqlistviewitem.html#itemBelow">TQListViewItem::itemBelow</a>(), and <a href="tqlistviewitem.html#itemAbove">TQListViewItem::itemAbove</a>().
|
|
|
|
<p>Examples: <a href="addressbook-example.html#x590">addressbook/centralwidget.cpp</a> and <a href="listviews-example.html#x146">listviews/listviews.cpp</a>.
|
|
<h3 class=fn><a href="tqheader.html">TQHeader</a> * <a name="header"></a>TQListView::header () const
|
|
</h3>
|
|
Returns the <a href="tqheader.html">TQHeader</a> object that manages this list view's columns.
|
|
Please don't modify the header behind the list view's back.
|
|
<p> You may safely call <a href="tqheader.html#setClickEnabled">TQHeader::setClickEnabled</a>(),
|
|
<a href="tqheader.html#setResizeEnabled">TQHeader::setResizeEnabled</a>(), <a href="tqheader.html#setMovingEnabled">TQHeader::setMovingEnabled</a>(),
|
|
<a href="tqwidget.html#hide">TQHeader::hide</a>() and all the const TQHeader functions.
|
|
|
|
<p>Examples: <a href="listviews-example.html#x147">listviews/listviews.cpp</a> and <a href="tqdir-example.html#x1828">tqdir/tqdir.cpp</a>.
|
|
<h3 class=fn>void <a name="hideColumn"></a>TQListView::hideColumn ( int column )
|
|
</h3>
|
|
Hides the column specified at <em>column</em>. This is a convenience
|
|
function that calls <a href="#setColumnWidth">setColumnWidth</a>( <em>column</em>, 0 ).
|
|
<p> Note: The user may still be able to resize the hidden column using
|
|
the header handles. To prevent this, call setResizeEnabled(FALSE,
|
|
<em>column</em>) on the list views header.
|
|
<p> <p>See also <a href="#setColumnWidth">setColumnWidth</a>().
|
|
|
|
<h3 class=fn>void <a name="insertItem"></a>TQListView::insertItem ( <a href="tqlistviewitem.html">TQListViewItem</a> * i )<tt> [virtual]</tt>
|
|
</h3>
|
|
Inserts item <em>i</em> into the list view as a top-level item. You do
|
|
not need to call this unless you've called <a href="#takeItem">takeItem</a>(<em>i</em>) or
|
|
<a href="tqlistviewitem.html#takeItem">TQListViewItem::takeItem</a>(<em>i</em>) and need to reinsert <em>i</em> elsewhere.
|
|
<p> <p>See also <a href="tqlistviewitem.html#takeItem">TQListViewItem::takeItem</a>() and <a href="#takeItem">takeItem</a>().
|
|
|
|
<h3 class=fn>void <a name="invertSelection"></a>TQListView::invertSelection ()<tt> [virtual slot]</tt>
|
|
</h3>
|
|
Inverts the selection. Only works in <a href="#SelectionMode-enum">Multi</a> and <a href="#SelectionMode-enum">Extended</a>
|
|
selection modes.
|
|
|
|
<h3 class=fn>bool <a name="isMultiSelection"></a>TQListView::isMultiSelection () const
|
|
</h3><p>Returns TRUE if the list view is in multi-selection or extended-selection mode; otherwise returns FALSE.
|
|
See the <a href="tqlistview.html#multiSelection-prop">"multiSelection"</a> property for details.
|
|
<h3 class=fn>bool <a name="isOpen"></a>TQListView::isOpen ( const <a href="tqlistviewitem.html">TQListViewItem</a> * item ) const
|
|
</h3>
|
|
Identical to <em>item</em>->isOpen(). Provided for completeness.
|
|
<p> <p>See also <a href="#setOpen">setOpen</a>().
|
|
|
|
<h3 class=fn>bool <a name="isRenaming"></a>TQListView::isRenaming () const
|
|
</h3>
|
|
Returns TRUE if an item is being renamed; otherwise returns FALSE.
|
|
|
|
<h3 class=fn>bool <a name="isSelected"></a>TQListView::isSelected ( const <a href="tqlistviewitem.html">TQListViewItem</a> * i ) const
|
|
</h3>
|
|
Returns TRUE if the list view item <em>i</em> is selected; otherwise
|
|
returns FALSE.
|
|
<p> <p>See also <a href="tqlistviewitem.html#isSelected">TQListViewItem::isSelected</a>().
|
|
|
|
<h3 class=fn><a href="tqlistviewitem.html">TQListViewItem</a> * <a name="itemAt"></a>TQListView::itemAt ( const <a href="tqpoint.html">TQPoint</a> & viewPos ) const
|
|
</h3>
|
|
Returns the list view item at <em>viewPos</em>. Note that <em>viewPos</em> is
|
|
in the <a href="tqscrollview.html#viewport">viewport</a>()'s coordinate system, not in the list view's own,
|
|
much larger, coordinate system.
|
|
<p> <a href="#itemAt">itemAt</a>() returns 0 if there is no such item.
|
|
<p> Note that you also get the pointer to the item if <em>viewPos</em>
|
|
points to the root decoration (see <a href="#setRootIsDecorated">setRootIsDecorated</a>()) of the
|
|
item. To check whether or not <em>viewPos</em> is on the root decoration
|
|
of the item, you can do something like this:
|
|
<p> <pre>
|
|
<a href="tqlistviewitem.html">TQListViewItem</a> *i = <a href="#itemAt">itemAt</a>( p );
|
|
if ( i ) {
|
|
if ( p.x() > header()->sectionPos( <a href="#header">header</a>()->mapToIndex( 0 ) ) +
|
|
<a href="#treeStepSize">treeStepSize</a>() * ( i-><a href="tqlistviewitem.html#depth">depth</a>() + ( <a href="#rootIsDecorated">rootIsDecorated</a>() ? 1 : 0) ) + itemMargin() ||
|
|
p.x() < header()->sectionPos( <a href="#header">header</a>()->mapToIndex( 0 ) ) ) {
|
|
; // p is not on root decoration
|
|
else
|
|
; // p is on the root decoration
|
|
}
|
|
</pre>
|
|
|
|
<p> This might be interesting if you use this function to find out
|
|
where the user clicked and if you want to start a drag (which you
|
|
do not want to do if the user clicked onto the root decoration of
|
|
an item).
|
|
<p> <p>See also <a href="#itemPos">itemPos</a>(), <a href="#itemRect">itemRect</a>(), and <a href="tqscrollview.html#viewportToContents">viewportToContents</a>().
|
|
|
|
<h3 class=fn>int <a name="itemMargin"></a>TQListView::itemMargin () const
|
|
</h3><p>Returns the advisory item margin that list items may use.
|
|
See the <a href="tqlistview.html#itemMargin-prop">"itemMargin"</a> property for details.
|
|
<h3 class=fn>int <a name="itemPos"></a>TQListView::itemPos ( const <a href="tqlistviewitem.html">TQListViewItem</a> * item )
|
|
</h3>
|
|
Returns the y-coordinate of <em>item</em> in the list view's coordinate
|
|
system. This function is normally much slower than <a href="#itemAt">itemAt</a>() but it
|
|
works for all items, whereas itemAt() normally works only for
|
|
items on the screen.
|
|
<p> This is a thin wrapper around <a href="tqlistviewitem.html#itemPos">TQListViewItem::itemPos</a>().
|
|
<p> <p>See also <a href="#itemAt">itemAt</a>() and <a href="#itemRect">itemRect</a>().
|
|
|
|
<h3 class=fn><a href="tqrect.html">TQRect</a> <a name="itemRect"></a>TQListView::itemRect ( const <a href="tqlistviewitem.html">TQListViewItem</a> * i ) const
|
|
</h3>
|
|
Returns the rectangle on the screen that item <em>i</em> occupies in
|
|
<a href="tqscrollview.html#viewport">viewport</a>()'s coordinates, or an invalid rectangle if <em>i</em> is 0 or
|
|
is not currently visible.
|
|
<p> The rectangle returned does not include any children of the
|
|
rectangle (i.e. it uses <a href="tqlistviewitem.html#height">TQListViewItem::height</a>(), rather than
|
|
<a href="tqlistviewitem.html#totalHeight">TQListViewItem::totalHeight</a>()). If you want the rectangle to
|
|
include children you can use something like this:
|
|
<p> <pre>
|
|
<a href="tqrect.html">TQRect</a> r( listView->itemRect( item ) );
|
|
r.<a href="tqrect.html#setHeight">setHeight</a>( (TQCOORD)(TQMIN( item->totalHeight(),
|
|
listView->viewport->height() - r.<a href="tqrect.html#y">y</a>() ) ) )
|
|
</pre>
|
|
|
|
<p> Note the way it avoids too-high rectangles. totalHeight() can be
|
|
much larger than the window system's coordinate system allows.
|
|
<p> <a href="#itemRect">itemRect</a>() is comparatively slow. It's best to call it only for
|
|
items that are probably on-screen.
|
|
|
|
<h3 class=fn>void <a name="itemRenamed"></a>TQListView::itemRenamed ( <a href="tqlistviewitem.html">TQListViewItem</a> * item, int col, const <a href="tqstring.html">TQString</a> & text )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted when <em>item</em> has been renamed to <em>text</em>,
|
|
e.g. by in in-place renaming, in column <em>col</em>.
|
|
<p> <p>See also <a href="tqlistviewitem.html#setRenameEnabled">TQListViewItem::setRenameEnabled</a>().
|
|
|
|
<h3 class=fn>void <a name="itemRenamed-2"></a>TQListView::itemRenamed ( <a href="tqlistviewitem.html">TQListViewItem</a> * item, int col )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> This signal is emitted when <em>item</em> has been renamed, e.g. by
|
|
in-place renaming, in column <em>col</em>.
|
|
<p> <p>See also <a href="tqlistviewitem.html#setRenameEnabled">TQListViewItem::setRenameEnabled</a>().
|
|
|
|
<h3 class=fn><a href="tqlistviewitem.html">TQListViewItem</a> * <a name="lastItem"></a>TQListView::lastItem () const
|
|
</h3>
|
|
Returns the last item in the list view tree. Returns 0 if there
|
|
are no items in the TQListView.
|
|
<p> This function is slow because it traverses the entire tree to find
|
|
the last item.
|
|
|
|
<h3 class=fn>void <a name="mouseButtonClicked"></a>TQListView::mouseButtonClicked ( int button, <a href="tqlistviewitem.html">TQListViewItem</a> * item, const <a href="tqpoint.html">TQPoint</a> & pos, int c )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted whenever the user clicks (mouse pressed <em>and</em> mouse released) in the list view at position <em>pos</em>. <em>button</em>
|
|
is the mouse button that the user pressed, <em>item</em> is the clicked
|
|
list view item or 0 if the user didn't click on an item. If <em>item</em> is not 0, <em>c</em> is the list view column into which the user
|
|
pressed; if <em>item</em> is 0 <em>c</em>'s value is undefined.
|
|
<p> <b>Warning:</b> Do not delete any <a href="tqlistviewitem.html">TQListViewItem</a> objects in slots
|
|
connected to this signal.
|
|
|
|
<h3 class=fn>void <a name="mouseButtonPressed"></a>TQListView::mouseButtonPressed ( int button, <a href="tqlistviewitem.html">TQListViewItem</a> * item, const <a href="tqpoint.html">TQPoint</a> & pos, int c )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted whenever the user pressed the mouse button
|
|
in the list view at position <em>pos</em>. <em>button</em> is the mouse button
|
|
which the user pressed, <em>item</em> is the pressed list view item or 0
|
|
if the user didn't press on an item. If <em>item</em> is not 0, <em>c</em> is
|
|
the list view column into which the user pressed; if <em>item</em> is 0
|
|
<em>c</em>'s value is undefined.
|
|
<p> <b>Warning:</b> Do not delete any <a href="tqlistviewitem.html">TQListViewItem</a> objects in slots
|
|
connected to this signal.
|
|
|
|
<h3 class=fn>void <a name="onItem"></a>TQListView::onItem ( <a href="tqlistviewitem.html">TQListViewItem</a> * i )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted when the user moves the mouse cursor onto
|
|
item <em>i</em>, similar to the <a href="tqwidget.html#enterEvent">TQWidget::enterEvent</a>() function.
|
|
|
|
<h3 class=fn>void <a name="onViewport"></a>TQListView::onViewport ()<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted when the user moves the mouse cursor from
|
|
an item to an empty part of the list view.
|
|
|
|
<h3 class=fn>void <a name="paintEmptyArea"></a>TQListView::paintEmptyArea ( <a href="tqpainter.html">TQPainter</a> * p, const <a href="tqrect.html">TQRect</a> & rect )<tt> [virtual protected]</tt>
|
|
</h3>
|
|
Paints <em>rect</em> so that it looks like empty background using
|
|
painter <em>p</em>. <em>rect</em> is in widget coordinates, ready to be fed to
|
|
<em>p</em>.
|
|
<p> The default function fills <em>rect</em> with the
|
|
<a href="tqscrollview.html#viewport">viewport</a>()->backgroundBrush().
|
|
|
|
<h3 class=fn>void <a name="pressed"></a>TQListView::pressed ( <a href="tqlistviewitem.html">TQListViewItem</a> * item )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted whenever the user presses the mouse button
|
|
in a list view. <em>item</em> is the list view item on which the user
|
|
pressed the mouse button, or 0 if the user didn't press the mouse
|
|
on an item.
|
|
<p> <b>Warning:</b> Do not delete any <a href="tqlistviewitem.html">TQListViewItem</a> objects in slots
|
|
connected to this signal.
|
|
|
|
<h3 class=fn>void <a name="pressed-2"></a>TQListView::pressed ( <a href="tqlistviewitem.html">TQListViewItem</a> * item, const <a href="tqpoint.html">TQPoint</a> & pnt, int c )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> This signal is emitted whenever the user presses the mouse button
|
|
in a list view. <em>item</em> is the list view item on which the user
|
|
pressed the mouse button, or 0 if the user didn't press the mouse
|
|
on an item. <em>pnt</em> is the position of the mouse cursor in global
|
|
coordinates, and <em>c</em> is the column where the mouse cursor was
|
|
when the user pressed the mouse button.
|
|
<p> <b>Warning:</b> Do not delete any <a href="tqlistviewitem.html">TQListViewItem</a> objects in slots
|
|
connected to this signal.
|
|
|
|
<h3 class=fn>void <a name="removeColumn"></a>TQListView::removeColumn ( int index )<tt> [virtual]</tt>
|
|
</h3>
|
|
Removes the column at position <em>index</em>.
|
|
<p> If no columns remain after the column is removed, the
|
|
list view will be cleared.
|
|
<p> <p>See also <a href="#clear">clear</a>().
|
|
|
|
<h3 class=fn>void <a name="removeItem"></a>TQListView::removeItem ( <a href="tqlistviewitem.html">TQListViewItem</a> * item )<tt> [virtual]</tt>
|
|
</h3>
|
|
|
|
<b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
|
|
<p> This function has been renamed <a href="#takeItem">takeItem</a>().
|
|
|
|
<h3 class=fn>void <a name="repaintItem"></a>TQListView::repaintItem ( const <a href="tqlistviewitem.html">TQListViewItem</a> * item ) const
|
|
</h3>
|
|
Repaints <em>item</em> on the screen if <em>item</em> is currently visible.
|
|
Takes care to avoid multiple repaints.
|
|
|
|
<h3 class=fn>void <a name="resizeEvent"></a>TQListView::resizeEvent ( <a href="tqresizeevent.html">TQResizeEvent</a> * e )<tt> [virtual protected]</tt>
|
|
</h3>
|
|
Ensures that the header is correctly sized and positioned when the
|
|
resize event <em>e</em> occurs.
|
|
|
|
<h3 class=fn><a href="tqlistview.html#ResizeMode-enum">ResizeMode</a> <a name="resizeMode"></a>TQListView::resizeMode () const
|
|
</h3><p>Returns TRUE if all, none or the only the last column should be resized; otherwise returns FALSE.
|
|
See the <a href="tqlistview.html#resizeMode-prop">"resizeMode"</a> property for details.
|
|
<h3 class=fn>void <a name="returnPressed"></a>TQListView::returnPressed ( <a href="tqlistviewitem.html">TQListViewItem</a> * )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted when Enter or Return is pressed. The
|
|
argument is the <a href="#currentItem">currentItem</a>().
|
|
|
|
<h3 class=fn>void <a name="rightButtonClicked"></a>TQListView::rightButtonClicked ( <a href="tqlistviewitem.html">TQListViewItem</a> *, const <a href="tqpoint.html">TQPoint</a> &, int )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted when the right button is clicked (i.e. when
|
|
it's released). The arguments are the relevant <a href="tqlistviewitem.html">TQListViewItem</a> (may
|
|
be 0), the point in global coordinates and the relevant column (or
|
|
-1 if the click was outside the list).
|
|
|
|
<h3 class=fn>void <a name="rightButtonPressed"></a>TQListView::rightButtonPressed ( <a href="tqlistviewitem.html">TQListViewItem</a> *, const <a href="tqpoint.html">TQPoint</a> &, int )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted when the right button is pressed. The
|
|
arguments are the relevant <a href="tqlistviewitem.html">TQListViewItem</a> (may be 0), the point in
|
|
global coordinates and the relevant column (or -1 if the click was
|
|
outside the list).
|
|
|
|
<h3 class=fn>bool <a name="rootIsDecorated"></a>TQListView::rootIsDecorated () const
|
|
</h3><p>Returns TRUE if the list view shows open/close signs on root items; otherwise returns FALSE.
|
|
See the <a href="tqlistview.html#rootIsDecorated-prop">"rootIsDecorated"</a> property for details.
|
|
<h3 class=fn>void <a name="selectAll"></a>TQListView::selectAll ( bool select )<tt> [virtual slot]</tt>
|
|
</h3>
|
|
If <em>select</em> is TRUE, all the items get selected; otherwise all
|
|
the items get unselected. This only works in the selection modes <a href="#SelectionMode-enum">Multi</a> and <a href="#SelectionMode-enum">Extended</a>. In <a href="#SelectionMode-enum">Single</a> and <a href="#SelectionMode-enum">NoSelection</a> mode the
|
|
selection of the current item is just set to <em>select</em>.
|
|
|
|
<h3 class=fn><a href="tqlistviewitem.html">TQListViewItem</a> * <a name="selectedItem"></a>TQListView::selectedItem () const
|
|
</h3>
|
|
Returns the selected item if the list view is in <a href="#SelectionMode-enum">Single</a>
|
|
selection mode and an item is selected.
|
|
<p> If no items are selected or the list view is not in <a href="#SelectionMode-enum">Single</a>
|
|
selection mode this function returns 0.
|
|
<p> <p>See also <a href="#setSelected">setSelected</a>() and <a href="#multiSelection-prop">multiSelection</a>.
|
|
|
|
<h3 class=fn>void <a name="selectionChanged"></a>TQListView::selectionChanged ()<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted whenever the set of selected items has
|
|
changed (normally before the screen update). It is available in
|
|
<a href="#SelectionMode-enum">Single</a>, <a href="#SelectionMode-enum">Multi</a>, and <a href="#SelectionMode-enum">Extended</a> selection modes, but is most
|
|
useful in <a href="#SelectionMode-enum">Multi</a> selection mode.
|
|
<p> <b>Warning:</b> Do not delete any <a href="tqlistviewitem.html">TQListViewItem</a> objects in slots
|
|
connected to this signal.
|
|
<p> <p>See also <a href="#setSelected">setSelected</a>() and <a href="tqlistviewitem.html#setSelected">TQListViewItem::setSelected</a>().
|
|
|
|
<p>Example: <a href="listviews-example.html#x148">listviews/listviews.cpp</a>.
|
|
<h3 class=fn>void <a name="selectionChanged-2"></a>TQListView::selectionChanged ( <a href="tqlistviewitem.html">TQListViewItem</a> * )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> This signal is emitted whenever the selected item has changed in
|
|
<a href="#SelectionMode-enum">Single</a> selection mode (normally after the screen update). The
|
|
argument is the newly selected item. If the selection is cleared
|
|
(when, for example, the user clicks in the unused area of the list
|
|
view) then this signal will not be emitted.
|
|
<p> In <a href="#SelectionMode-enum">Multi</a> selection mode, use the no argument overload of this
|
|
signal.
|
|
<p> <b>Warning:</b> Do not delete any <a href="tqlistviewitem.html">TQListViewItem</a> objects in slots
|
|
connected to this signal.
|
|
<p> <p>See also <a href="#setSelected">setSelected</a>(), <a href="tqlistviewitem.html#setSelected">TQListViewItem::setSelected</a>(), and <a href="#currentChanged">currentChanged</a>().
|
|
|
|
<h3 class=fn><a href="tqlistview.html#SelectionMode-enum">SelectionMode</a> <a name="selectionMode"></a>TQListView::selectionMode () const
|
|
</h3><p>Returns the list view's selection mode.
|
|
See the <a href="tqlistview.html#selectionMode-prop">"selectionMode"</a> property for details.
|
|
<h3 class=fn>void <a name="setAllColumnsShowFocus"></a>TQListView::setAllColumnsShowFocus ( bool )<tt> [virtual]</tt>
|
|
</h3><p>Sets whether items should show keyboard focus using all columns.
|
|
See the <a href="tqlistview.html#allColumnsShowFocus-prop">"allColumnsShowFocus"</a> property for details.
|
|
<h3 class=fn>void <a name="setColumnAlignment"></a>TQListView::setColumnAlignment ( int column, int align )<tt> [virtual]</tt>
|
|
</h3>
|
|
Sets column <em>column</em>'s alignment to <em>align</em>. The alignment is
|
|
ultimately passed to <a href="tqlistviewitem.html#paintCell">TQListViewItem::paintCell</a>() for each item in
|
|
the list view. For horizontally aligned text with TQt::AlignLeft or
|
|
TQt::AlignHCenter the ellipsis (...) will be to the right, for
|
|
TQt::AlignRight the ellipsis will be to the left.
|
|
<p> <p>See also <a href="tqt.html#AlignmentFlags-enum">TQt::AlignmentFlags</a>.
|
|
|
|
<p>Example: <a href="listviews-example.html#x150">listviews/listviews.cpp</a>.
|
|
<h3 class=fn>void <a name="setColumnText"></a>TQListView::setColumnText ( int column, const <a href="tqstring.html">TQString</a> & label )<tt> [virtual]</tt>
|
|
</h3>
|
|
Sets the heading of column <em>column</em> to <em>label</em>.
|
|
<p> <p>See also <a href="#columnText">columnText</a>().
|
|
|
|
<h3 class=fn>void <a name="setColumnText-2"></a>TQListView::setColumnText ( int column, const <a href="tqiconset.html">TQIconSet</a> & iconset, const <a href="tqstring.html">TQString</a> & label )<tt> [virtual]</tt>
|
|
</h3>
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> Sets the heading of column <em>column</em> to <em>iconset</em> and <em>label</em>.
|
|
<p> <p>See also <a href="#columnText">columnText</a>().
|
|
|
|
<h3 class=fn>void <a name="setColumnWidth"></a>TQListView::setColumnWidth ( int column, int w )<tt> [virtual]</tt>
|
|
</h3>
|
|
Sets the width of column <em>column</em> to <em>w</em> pixels. Note that if
|
|
the column has a <a href="#WidthMode-enum">WidthMode</a> other than <a href="#WidthMode-enum">Manual</a>, this width
|
|
setting may be subsequently overridden.
|
|
<p> <p>See also <a href="#columnWidth">columnWidth</a>().
|
|
|
|
<h3 class=fn>void <a name="setColumnWidthMode"></a>TQListView::setColumnWidthMode ( int c, <a href="tqlistview.html#WidthMode-enum">WidthMode</a> mode )<tt> [virtual]</tt>
|
|
</h3>
|
|
Sets column <em>c</em>'s width mode to <em>mode</em>. The default depends on
|
|
the original width argument to <a href="#addColumn">addColumn</a>().
|
|
<p> <p>See also <a href="tqlistviewitem.html#width">TQListViewItem::width</a>().
|
|
|
|
<h3 class=fn>void <a name="setCurrentItem"></a>TQListView::setCurrentItem ( <a href="tqlistviewitem.html">TQListViewItem</a> * i )<tt> [virtual]</tt>
|
|
</h3>
|
|
Sets item <em>i</em> to be the current item and repaints appropriately
|
|
(i.e. highlights the item). The current item is used for keyboard
|
|
navigation and focus indication; it is independent of any selected
|
|
items, although a selected item can also be the current item.
|
|
<p> This function does not set the selection anchor. Use
|
|
<a href="#setSelectionAnchor">setSelectionAnchor</a>() instead.
|
|
<p> <p>See also <a href="#currentItem">currentItem</a>() and <a href="#setSelected">setSelected</a>().
|
|
|
|
<p>Example: <a href="listviews-example.html#x151">listviews/listviews.cpp</a>.
|
|
<h3 class=fn>void <a name="setDefaultRenameAction"></a>TQListView::setDefaultRenameAction ( <a href="tqlistview.html#RenameAction-enum">RenameAction</a> a )<tt> [virtual]</tt>
|
|
</h3><p>Sets what action to perform when the editor loses focus during renaming to <em>a</em>.
|
|
See the <a href="tqlistview.html#defaultRenameAction-prop">"defaultRenameAction"</a> property for details.
|
|
<h3 class=fn>void <a name="setItemMargin"></a>TQListView::setItemMargin ( int )<tt> [virtual]</tt>
|
|
</h3><p>Sets the advisory item margin that list items may use.
|
|
See the <a href="tqlistview.html#itemMargin-prop">"itemMargin"</a> property for details.
|
|
<h3 class=fn>void <a name="setMultiSelection"></a>TQListView::setMultiSelection ( bool enable )<tt> [virtual]</tt>
|
|
</h3><p>Sets whether the list view is in multi-selection or extended-selection mode to <em>enable</em>.
|
|
See the <a href="tqlistview.html#multiSelection-prop">"multiSelection"</a> property for details.
|
|
<h3 class=fn>void <a name="setOpen"></a>TQListView::setOpen ( <a href="tqlistviewitem.html">TQListViewItem</a> * item, bool open )<tt> [virtual]</tt>
|
|
</h3>
|
|
Sets <em>item</em> to be open if <em>open</em> is TRUE and <em>item</em> is
|
|
expandable, and to be closed if <em>open</em> is FALSE. Repaints
|
|
accordingly.
|
|
<p> <p>See also <a href="tqlistviewitem.html#setOpen">TQListViewItem::setOpen</a>() and <a href="tqlistviewitem.html#setExpandable">TQListViewItem::setExpandable</a>().
|
|
|
|
<h3 class=fn>void <a name="setResizeMode"></a>TQListView::setResizeMode ( <a href="tqlistview.html#ResizeMode-enum">ResizeMode</a> m )<tt> [virtual]</tt>
|
|
</h3><p>Sets whether all, none or the only the last column should be resized to <em>m</em>.
|
|
See the <a href="tqlistview.html#resizeMode-prop">"resizeMode"</a> property for details.
|
|
<h3 class=fn>void <a name="setRootIsDecorated"></a>TQListView::setRootIsDecorated ( bool )<tt> [virtual]</tt>
|
|
</h3><p>Sets whether the list view shows open/close signs on root items.
|
|
See the <a href="tqlistview.html#rootIsDecorated-prop">"rootIsDecorated"</a> property for details.
|
|
<h3 class=fn>void <a name="setSelected"></a>TQListView::setSelected ( <a href="tqlistviewitem.html">TQListViewItem</a> * item, bool selected )<tt> [virtual]</tt>
|
|
</h3>
|
|
If <em>selected</em> is TRUE the <em>item</em> is selected; otherwise it is
|
|
unselected.
|
|
<p> If the list view is in <a href="#SelectionMode-enum">Single</a> selection mode and <em>selected</em> is
|
|
TRUE, the currently selected item is unselected and <em>item</em> is
|
|
made current. Unlike <a href="tqlistviewitem.html#setSelected">TQListViewItem::setSelected</a>(), this function
|
|
updates the list view as necessary and emits the
|
|
<a href="#selectionChanged">selectionChanged</a>() signals.
|
|
<p> <p>See also <a href="#isSelected">isSelected</a>(), <a href="#multiSelection-prop">multiSelection</a>, <a href="#multiSelection-prop">multiSelection</a>, <a href="#setCurrentItem">setCurrentItem</a>(), and <a href="#setSelectionAnchor">setSelectionAnchor</a>().
|
|
|
|
<p>Example: <a href="listviews-example.html#x153">listviews/listviews.cpp</a>.
|
|
<h3 class=fn>void <a name="setSelectionAnchor"></a>TQListView::setSelectionAnchor ( <a href="tqlistviewitem.html">TQListViewItem</a> * item )
|
|
</h3>
|
|
Sets the selection anchor to <em>item</em>, if <em>item</em> is selectable.
|
|
<p> The selection anchor is the item that remains selected when
|
|
Shift-selecting with either mouse or keyboard in <a href="#SelectionMode-enum">Extended</a>
|
|
selection mode.
|
|
<p> <p>See also <a href="#setSelected">setSelected</a>().
|
|
|
|
<h3 class=fn>void <a name="setSelectionMode"></a>TQListView::setSelectionMode ( <a href="tqlistview.html#SelectionMode-enum">SelectionMode</a> mode )
|
|
</h3><p>Sets the list view's selection mode to <em>mode</em>.
|
|
See the <a href="tqlistview.html#selectionMode-prop">"selectionMode"</a> property for details.
|
|
<h3 class=fn>void <a name="setShowSortIndicator"></a>TQListView::setShowSortIndicator ( bool show )<tt> [virtual]</tt>
|
|
</h3><p>Sets whether the list view header should display a sort indicator to <em>show</em>.
|
|
See the <a href="tqlistview.html#showSortIndicator-prop">"showSortIndicator"</a> property for details.
|
|
<h3 class=fn>void <a name="setShowToolTips"></a>TQListView::setShowToolTips ( bool b )<tt> [virtual]</tt>
|
|
</h3><p>Sets whether this list view should show tooltips for truncated column texts to <em>b</em>.
|
|
See the <a href="tqlistview.html#showToolTips-prop">"showToolTips"</a> property for details.
|
|
<h3 class=fn>void <a name="setSortColumn"></a>TQListView::setSortColumn ( int column )
|
|
</h3>
|
|
Sets the sorting column for the list view.
|
|
<p> If <em>column</em> is -1, sorting is disabled and the user cannot sort
|
|
columns by clicking on the column headers. If <em>column</em> is larger
|
|
than the number of columns the user must click on a column header
|
|
to sort the list view.
|
|
<p> <p>See also <a href="#setSorting">setSorting</a>().
|
|
|
|
<h3 class=fn>void <a name="setSortOrder"></a>TQListView::setSortOrder ( <a href="tqt.html#SortOrder-enum">SortOrder</a> order )
|
|
</h3>
|
|
Sets the sort order for the items in the list view to <em>order</em>.
|
|
<p> <p>See also <a href="#setSorting">setSorting</a>().
|
|
|
|
<h3 class=fn>void <a name="setSorting"></a>TQListView::setSorting ( int column, bool ascending = TRUE )<tt> [virtual]</tt>
|
|
</h3>
|
|
Sets the list view to be sorted by column <em>column</em> in ascending
|
|
order if <em>ascending</em> is TRUE or descending order if it is FALSE.
|
|
<p> If <em>column</em> is -1, sorting is disabled and the user cannot sort
|
|
columns by clicking on the column headers. If <em>column</em> is larger
|
|
than the number of columns the user must click on a column
|
|
header to sort the list view.
|
|
|
|
<h3 class=fn>void <a name="setTreeStepSize"></a>TQListView::setTreeStepSize ( int )<tt> [virtual]</tt>
|
|
</h3><p>Sets the number of pixels a child is offset from its parent.
|
|
See the <a href="tqlistview.html#treeStepSize-prop">"treeStepSize"</a> property for details.
|
|
<h3 class=fn>bool <a name="showSortIndicator"></a>TQListView::showSortIndicator () const
|
|
</h3><p>Returns TRUE if the list view header should display a sort indicator; otherwise returns FALSE.
|
|
See the <a href="tqlistview.html#showSortIndicator-prop">"showSortIndicator"</a> property for details.
|
|
<h3 class=fn>bool <a name="showToolTips"></a>TQListView::showToolTips () const
|
|
</h3><p>Returns TRUE if this list view should show tooltips for truncated column texts; otherwise returns FALSE.
|
|
See the <a href="tqlistview.html#showToolTips-prop">"showToolTips"</a> property for details.
|
|
<h3 class=fn>void <a name="sort"></a>TQListView::sort ()<tt> [virtual]</tt>
|
|
</h3>
|
|
Sorts the list view using the last sorting configuration (sort
|
|
column and ascending/descending).
|
|
|
|
<h3 class=fn>int <a name="sortColumn"></a>TQListView::sortColumn () const
|
|
</h3>
|
|
Returns the column by which the list view is sorted, or -1 if
|
|
sorting is disabled.
|
|
<p> <p>See also <a href="#sortOrder">sortOrder</a>().
|
|
|
|
<h3 class=fn><a href="tqt.html#SortOrder-enum">SortOrder</a> <a name="sortOrder"></a>TQListView::sortOrder () const
|
|
</h3>
|
|
Returns the sorting order of the list view items.
|
|
<p> <p>See also <a href="#sortColumn">sortColumn</a>().
|
|
|
|
<h3 class=fn>void <a name="spacePressed"></a>TQListView::spacePressed ( <a href="tqlistviewitem.html">TQListViewItem</a> * )<tt> [signal]</tt>
|
|
</h3>
|
|
|
|
<p> This signal is emitted when Space is pressed. The argument is
|
|
the <a href="#currentItem">currentItem</a>().
|
|
|
|
<h3 class=fn>void <a name="startDrag"></a>TQListView::startDrag ()<tt> [virtual protected]</tt>
|
|
</h3>
|
|
Starts a drag.
|
|
|
|
<h3 class=fn>void <a name="takeItem"></a>TQListView::takeItem ( <a href="tqlistviewitem.html">TQListViewItem</a> * i )<tt> [virtual]</tt>
|
|
</h3>
|
|
Removes item <em>i</em> from the list view; <em>i</em> must be a top-level
|
|
item. The warnings regarding <a href="tqlistviewitem.html#takeItem">TQListViewItem::takeItem</a>() apply to
|
|
this function, too.
|
|
<p> <p>See also <a href="#insertItem">insertItem</a>().
|
|
|
|
<h3 class=fn>int <a name="treeStepSize"></a>TQListView::treeStepSize () const
|
|
</h3><p>Returns the number of pixels a child is offset from its parent.
|
|
See the <a href="tqlistview.html#treeStepSize-prop">"treeStepSize"</a> property for details.
|
|
<h3 class=fn>void <a name="triggerUpdate"></a>TQListView::triggerUpdate ()<tt> [slot]</tt>
|
|
</h3>
|
|
Triggers a size, geometry and content update during the next
|
|
iteration of the event loop. Ensures that there'll be just one
|
|
update to avoid flicker.
|
|
|
|
<h3 class=fn>void <a name="updateContents"></a>TQListView::updateContents ()<tt> [protected slot]</tt>
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</h3>
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Updates the sizes of the viewport, header, scroll bars and so on.
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<p> <b>Warning:</b> Don't call this directly; call <a href="#triggerUpdate">triggerUpdate</a>() instead.
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<hr><h2>Property Documentation</h2>
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<h3 class=fn>bool <a name="allColumnsShowFocus-prop"></a>allColumnsShowFocus</h3>
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<p>This property holds whether items should show <a href="focus.html#keyboard-focus">keyboard focus</a> using all columns.
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<p>If this property is TRUE all columns will show focus and selection
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states, otherwise only column 0 will show focus.
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<p> The default is FALSE.
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<p> Setting this to TRUE if it's not necessary may cause noticeable
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flicker.
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<p>Set this property's value with <a href="#setAllColumnsShowFocus">setAllColumnsShowFocus</a>() and get this property's value with <a href="#allColumnsShowFocus">allColumnsShowFocus</a>().
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<h3 class=fn>int <a name="childCount-prop"></a>childCount</h3>
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<p>This property holds the number of parentless (top-level) <a href="tqlistviewitem.html">TQListViewItem</a> objects in this TQListView.
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<p>Holds the current number of parentless (top-level) TQListViewItem
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objects in this TQListView.
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<p> <p>See also <a href="tqlistviewitem.html#childCount">TQListViewItem::childCount</a>().
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<p>Get this property's value with <a href="#childCount">childCount</a>().
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<h3 class=fn>int <a name="columns-prop"></a>columns</h3>
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<p>This property holds the number of columns in this list view.
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<p>Get this property's value with <a href="#columns">columns</a>().
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<p><p>See also <a href="#addColumn">addColumn</a>() and <a href="#removeColumn">removeColumn</a>().
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<h3 class=fn><a href="tqlistview.html#RenameAction-enum">RenameAction</a> <a name="defaultRenameAction-prop"></a>defaultRenameAction</h3>
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<p>This property holds what action to perform when the editor loses focus during renaming.
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<p>If this property is <a href="#RenameAction-enum">Accept</a>, and the user renames an item and
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the editor loses focus (without the user pressing Enter), the
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item will still be renamed. If the property's value is <a href="#RenameAction-enum">Reject</a>,
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the item will not be renamed unless the user presses Enter. The
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default is <a href="#RenameAction-enum">Reject</a>.
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<p>Set this property's value with <a href="#setDefaultRenameAction">setDefaultRenameAction</a>() and get this property's value with <a href="#defaultRenameAction">defaultRenameAction</a>().
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<h3 class=fn>int <a name="itemMargin-prop"></a>itemMargin</h3>
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<p>This property holds the advisory item margin that list items may use.
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<p>The item margin defaults to one pixel and is the margin between
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the item's edges and the area where it draws its contents.
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<a href="tqlistviewitem.html#paintFocus">TQListViewItem::paintFocus</a>() draws in the margin.
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<p> <p>See also <a href="tqlistviewitem.html#paintCell">TQListViewItem::paintCell</a>().
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<p>Set this property's value with <a href="#setItemMargin">setItemMargin</a>() and get this property's value with <a href="#itemMargin">itemMargin</a>().
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<h3 class=fn>bool <a name="multiSelection-prop"></a>multiSelection</h3> <b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
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<p> <p>This property holds whether the list view is in multi-selection or extended-selection mode.
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<p>If you enable multi-selection, <a href="#SelectionMode-enum">Multi</a>, mode, it is possible to
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specify whether or not this mode should be extended. <a href="#SelectionMode-enum">Extended</a>
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|
means that the user can select multiple items only when pressing
|
|
the Shift or Ctrl key at the same time.
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|
<p> The default selection mode is <a href="#SelectionMode-enum">Single</a>.
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<p> <p>See also <a href="#selectionMode-prop">selectionMode</a>.
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<p>Set this property's value with <a href="#setMultiSelection">setMultiSelection</a>() and get this property's value with <a href="#isMultiSelection">isMultiSelection</a>().
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<h3 class=fn><a href="tqlistview.html#ResizeMode-enum">ResizeMode</a> <a name="resizeMode-prop"></a>resizeMode</h3>
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|
<p>This property holds whether all, none or the only the last column should be resized.
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|
<p>Specifies whether all, none or only the last column should be
|
|
resized to fit the full width of the list view. The values for this
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|
property can be one of: <a href="#ResizeMode-enum">NoColumn</a> (the default), <a href="#ResizeMode-enum">AllColumns</a>
|
|
or <a href="#ResizeMode-enum">LastColumn</a>.
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|
<p> <b>Warning:</b> Setting the resize mode should be done after all necessary
|
|
columns have been added to the list view, otherwise the behavior is
|
|
undefined.
|
|
<p> <p>See also <a href="tqheader.html">TQHeader</a> and <a href="#header">header</a>().
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|
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|
<p>Set this property's value with <a href="#setResizeMode">setResizeMode</a>() and get this property's value with <a href="#resizeMode">resizeMode</a>().
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|
<h3 class=fn>bool <a name="rootIsDecorated-prop"></a>rootIsDecorated</h3>
|
|
<p>This property holds whether the list view shows open/close signs on root items.
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|
<p>Open/close signs are small <b>+</b> or <b>-</b> symbols in windows
|
|
style, or arrows in Motif style. The default is FALSE.
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|
|
|
<p>Set this property's value with <a href="#setRootIsDecorated">setRootIsDecorated</a>() and get this property's value with <a href="#rootIsDecorated">rootIsDecorated</a>().
|
|
<h3 class=fn><a href="tqlistview.html#SelectionMode-enum">SelectionMode</a> <a name="selectionMode-prop"></a>selectionMode</h3>
|
|
<p>This property holds the list view's selection mode.
|
|
<p>The mode can be <a href="#SelectionMode-enum">Single</a> (the default), <a href="#SelectionMode-enum">Extended</a>, <a href="#SelectionMode-enum">Multi</a> or
|
|
<a href="#SelectionMode-enum">NoSelection</a>.
|
|
<p> <p>See also <a href="#multiSelection-prop">multiSelection</a>.
|
|
|
|
<p>Set this property's value with <a href="#setSelectionMode">setSelectionMode</a>() and get this property's value with <a href="#selectionMode">selectionMode</a>().
|
|
<h3 class=fn>bool <a name="showSortIndicator-prop"></a>showSortIndicator</h3>
|
|
<p>This property holds whether the list view header should display a sort indicator.
|
|
<p>If this property is TRUE, an arrow is drawn in the header of the
|
|
list view to indicate the sort order of the list view contents.
|
|
The arrow will be drawn in the correct column and will point up or
|
|
down, depending on the current sort direction. The default is
|
|
FALSE (don't show an indicator).
|
|
<p> <p>See also <a href="tqheader.html#setSortIndicator">TQHeader::setSortIndicator</a>().
|
|
|
|
<p>Set this property's value with <a href="#setShowSortIndicator">setShowSortIndicator</a>() and get this property's value with <a href="#showSortIndicator">showSortIndicator</a>().
|
|
<h3 class=fn>bool <a name="showToolTips-prop"></a>showToolTips</h3>
|
|
<p>This property holds whether this list view should show tooltips for truncated column texts.
|
|
<p>The default is TRUE.
|
|
|
|
<p>Set this property's value with <a href="#setShowToolTips">setShowToolTips</a>() and get this property's value with <a href="#showToolTips">showToolTips</a>().
|
|
<h3 class=fn>int <a name="treeStepSize-prop"></a>treeStepSize</h3>
|
|
<p>This property holds the number of pixels a child is offset from its parent.
|
|
<p>The default is 20 pixels.
|
|
<p> Of course, this property is only meaningful for hierarchical list
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|
views.
|
|
|
|
<p>Set this property's value with <a href="#setTreeStepSize">setTreeStepSize</a>() and get this property's value with <a href="#treeStepSize">treeStepSize</a>().
|
|
<!-- eof -->
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<hr><p>
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This file is part of the <a href="index.html">TQt toolkit</a>.
|
|
Copyright © 1995-2007
|
|
<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<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>
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</html>
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