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627 lines
38 KiB
627 lines
38 KiB
14 years ago
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/iconview/qiconview.cpp:800 -->
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<title>QIconViewItem Class</title>
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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>QIconViewItem Class Reference<br><small>[<a href="iconview.html">iconview module</a>]</small></h1>
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<p>The QIconViewItem class provides a single item in a QIconView.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qiconview-h.html">qiconview.h</a>></tt>
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<p>Inherits <a href="qt.html">Qt</a>.
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<p><a href="qiconviewitem-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="#QIconViewItem"><b>QIconViewItem</b></a> ( QIconView * parent )</li>
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<li class=fn><a href="#QIconViewItem-2"><b>QIconViewItem</b></a> ( QIconView * parent, QIconViewItem * after )</li>
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<li class=fn><a href="#QIconViewItem-3"><b>QIconViewItem</b></a> ( QIconView * parent, const QString & text )</li>
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<li class=fn><a href="#QIconViewItem-4"><b>QIconViewItem</b></a> ( QIconView * parent, QIconViewItem * after, const QString & text )</li>
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<li class=fn><a href="#QIconViewItem-5"><b>QIconViewItem</b></a> ( QIconView * parent, const QString & text, const QPixmap & icon )</li>
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<li class=fn><a href="#QIconViewItem-6"><b>QIconViewItem</b></a> ( QIconView * parent, QIconViewItem * after, const QString & text, const QPixmap & icon )</li>
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<li class=fn><a href="#QIconViewItem-7"><b>QIconViewItem</b></a> ( QIconView * parent, const QString & text, const QPicture & picture )</li>
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<li class=fn><a href="#QIconViewItem-8"><b>QIconViewItem</b></a> ( QIconView * parent, QIconViewItem * after, const QString & text, const QPicture & picture )</li>
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<li class=fn>virtual <a href="#~QIconViewItem"><b>~QIconViewItem</b></a> ()</li>
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<li class=fn>virtual void <a href="#setRenameEnabled"><b>setRenameEnabled</b></a> ( bool allow )</li>
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<li class=fn>virtual void <a href="#setDragEnabled"><b>setDragEnabled</b></a> ( bool allow )</li>
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<li class=fn>virtual void <a href="#setDropEnabled"><b>setDropEnabled</b></a> ( bool allow )</li>
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<li class=fn>virtual QString <a href="#text"><b>text</b></a> () const</li>
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<li class=fn>virtual QPixmap * <a href="#pixmap"><b>pixmap</b></a> () const</li>
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<li class=fn>virtual QPicture * <a href="#picture"><b>picture</b></a> () const</li>
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<li class=fn>virtual QString <a href="#key"><b>key</b></a> () const</li>
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<li class=fn>bool <a href="#renameEnabled"><b>renameEnabled</b></a> () const</li>
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<li class=fn>bool <a href="#dragEnabled"><b>dragEnabled</b></a> () const</li>
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<li class=fn>bool <a href="#dropEnabled"><b>dropEnabled</b></a> () const</li>
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<li class=fn>QIconView * <a href="#iconView"><b>iconView</b></a> () const</li>
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<li class=fn>QIconViewItem * <a href="#prevItem"><b>prevItem</b></a> () const</li>
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<li class=fn>QIconViewItem * <a href="#nextItem"><b>nextItem</b></a> () const</li>
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<li class=fn>int <a href="#index"><b>index</b></a> () const</li>
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<li class=fn>virtual void <a href="#setSelected"><b>setSelected</b></a> ( bool s, bool cb )</li>
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<li class=fn>virtual void <a href="#setSelected-2"><b>setSelected</b></a> ( bool s )</li>
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<li class=fn>virtual void <a href="#setSelectable"><b>setSelectable</b></a> ( bool enable )</li>
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<li class=fn>bool <a href="#isSelected"><b>isSelected</b></a> () const</li>
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<li class=fn>bool <a href="#isSelectable"><b>isSelectable</b></a> () const</li>
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<li class=fn>virtual void <a href="#repaint"><b>repaint</b></a> ()</li>
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<li class=fn>virtual bool <a href="#move"><b>move</b></a> ( int x, int y )</li>
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<li class=fn>virtual void <a href="#moveBy"><b>moveBy</b></a> ( int dx, int dy )</li>
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<li class=fn>virtual bool <a href="#move-2"><b>move</b></a> ( const QPoint & pnt )</li>
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<li class=fn>virtual void <a href="#moveBy-2"><b>moveBy</b></a> ( const QPoint & pnt )</li>
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<li class=fn>QRect <a href="#rect"><b>rect</b></a> () const</li>
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<li class=fn>int <a href="#x"><b>x</b></a> () const</li>
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<li class=fn>int <a href="#y"><b>y</b></a> () const</li>
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<li class=fn>int <a href="#width"><b>width</b></a> () const</li>
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<li class=fn>int <a href="#height"><b>height</b></a> () const</li>
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<li class=fn>QSize <a href="#size"><b>size</b></a> () const</li>
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<li class=fn>QPoint <a href="#pos"><b>pos</b></a> () const</li>
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<li class=fn>QRect <a href="#textRect"><b>textRect</b></a> ( bool relative = TRUE ) const</li>
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<li class=fn>QRect <a href="#pixmapRect"><b>pixmapRect</b></a> ( bool relative = TRUE ) const</li>
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<li class=fn>bool <a href="#contains"><b>contains</b></a> ( const QPoint & pnt ) const</li>
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<li class=fn>bool <a href="#intersects"><b>intersects</b></a> ( const QRect & r ) const</li>
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<li class=fn>virtual bool <a href="#acceptDrop"><b>acceptDrop</b></a> ( const QMimeSource * mime ) const</li>
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<li class=fn>void <a href="#rename"><b>rename</b></a> ()</li>
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<li class=fn>virtual int <a href="#compare"><b>compare</b></a> ( QIconViewItem * i ) const</li>
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<li class=fn>virtual void <a href="#setText"><b>setText</b></a> ( const QString & text )</li>
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<li class=fn>virtual void <a href="#setPixmap"><b>setPixmap</b></a> ( const QPixmap & icon )</li>
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<li class=fn>virtual void <a href="#setPicture"><b>setPicture</b></a> ( const QPicture & icon )</li>
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<li class=fn>virtual void <a href="#setText-2"><b>setText</b></a> ( const QString & text, bool recalc, bool redraw = TRUE )</li>
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<li class=fn>virtual void <a href="#setPixmap-2"><b>setPixmap</b></a> ( const QPixmap & icon, bool recalc, bool redraw = TRUE )</li>
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<li class=fn>virtual void <a href="#setKey"><b>setKey</b></a> ( const QString & k )</li>
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<li class=fn>virtual int <a href="#rtti"><b>rtti</b></a> () const</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="#removeRenameBox"><b>removeRenameBox</b></a> ()</li>
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<li class=fn>virtual void <a href="#calcRect"><b>calcRect</b></a> ( const QString & text_ = QString::null )</li>
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<li class=fn>virtual void <a href="#paintItem"><b>paintItem</b></a> ( QPainter * p, const QColorGroup & cg )</li>
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<li class=fn>virtual void <a href="#paintFocus"><b>paintFocus</b></a> ( QPainter * p, const QColorGroup & cg )</li>
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<li class=fn>virtual void <a href="#dropped"><b>dropped</b></a> ( QDropEvent * e, const QValueList<QIconDragItem> & lst )</li>
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<li class=fn>virtual void <a href="#dragEntered"><b>dragEntered</b></a> ()</li>
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<li class=fn>virtual void <a href="#dragLeft"><b>dragLeft</b></a> ()</li>
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<li class=fn>void <a href="#setItemRect"><b>setItemRect</b></a> ( const QRect & r )</li>
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<li class=fn>void <a href="#setTextRect"><b>setTextRect</b></a> ( const QRect & r )</li>
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<li class=fn>void <a href="#setPixmapRect"><b>setPixmapRect</b></a> ( const QRect & r )</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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The QIconViewItem class provides a single item in a <a href="qiconview.html">QIconView</a>.
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<p>
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<p> A QIconViewItem contains an icon, a string and optionally a sort
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key, and can display itself in a QIconView.
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The class is designed to be very similar to <a href="qlistview.html">QListView</a> and <a href="qlistbox.html">QListBox</a>
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in use, both via instantiation and subclassing.
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<p> The simplest way to create a QIconViewItem and insert it into a
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QIconView is to construct the item passing the constructor a
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pointer to the icon view, a string and an icon:
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<p> <pre>
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(void) new QIconViewItem(
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iconView, // A pointer to a QIconView
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"This is the text of the item",
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aPixmap );
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</pre>
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<p> By default the text of an icon view item may not be edited by the
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user but calling <a href="#setRenameEnabled">setRenameEnabled</a>(TRUE) will allow the user to
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perform in-place editing of the item's text.
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<p> When the icon view is deleted all items in it are deleted
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automatically.
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<p> The <a href="qiconview.html#firstItem">QIconView::firstItem</a>() and <a href="#nextItem">QIconViewItem::nextItem</a>() functions
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provide a means of iterating over all the items in a QIconView:
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<p> <pre>
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QIconViewItem *item;
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for ( item = iconView->firstItem(); item; item = item-><a href="#nextItem">nextItem</a>() )
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do_something_with( item );
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</pre>
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<p> The item's icon view is available from <a href="#iconView">iconView</a>(), and its
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position in the icon view from <a href="#index">index</a>().
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<p> The item's selection status is available from <a href="#isSelected">isSelected</a>() and is
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set and controlled by <a href="#setSelected">setSelected</a>() and <a href="#isSelectable">isSelectable</a>().
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<p> The text and icon can be set with <a href="#setText">setText</a>() and <a href="#setPixmap">setPixmap</a>() and
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retrieved with <a href="#text">text</a>() and <a href="#pixmap">pixmap</a>(). The item's sort key defaults
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to text() but may be set with <a href="#setKey">setKey</a>() and retrieved with <a href="#key">key</a>().
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The comparison function, <a href="#compare">compare</a>() uses key().
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<p> Items may be repositioned with <a href="#move">move</a>() and <a href="#moveBy">moveBy</a>(). An item's
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geometry is available from <a href="#rect">rect</a>(), <a href="#x">x</a>(), <a href="#y">y</a>(), <a href="#width">width</a>(), <a href="#height">height</a>(),
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<a href="#size">size</a>(), <a href="#pos">pos</a>(), <a href="#textRect">textRect</a>() and <a href="#pixmapRect">pixmapRect</a>(). You can also test
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against the position of a point with <a href="#contains">contains</a>() and <a href="#intersects">intersects</a>().
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<p> To remove an item from an icon view, just delete the item. The
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QIconViewItem destructor removes it cleanly from its icon view.
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<p> Because the icon view is designed to use drag-and-drop, the icon
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view item also has functions for drag-and-drop which may be
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reimplemented.
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<p> <a name="pixmap-size-limit"></a>
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<b>Note:</b> Pixmaps with individual dimensions larger than 300 pixels may
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not be displayed properly, depending on the <a href="qiconview.html#Arrangement-enum">arrangement in use</a>. For example, pixmaps wider than 300 pixels
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will not be arranged correctly if the icon view uses a
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<a href="qiconview.html#Arrangement-enum">QIconView::TopToBottom</a> arrangement, and pixmaps taller than 300 pixels
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will not be arranged correctly if the icon view uses a
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<a href="qiconview.html#Arrangement-enum">QIconView::LeftToRight</a> arrangement.
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<p>See also <a href="advanced.html">Advanced Widgets</a>.
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="QIconViewItem"></a>QIconViewItem::QIconViewItem ( <a href="qiconview.html">QIconView</a> * parent )
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</h3>
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Constructs a QIconViewItem and inserts it into icon view <em>parent</em>
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with no text and a default icon.
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<h3 class=fn><a name="QIconViewItem-2"></a>QIconViewItem::QIconViewItem ( <a href="qiconview.html">QIconView</a> * parent, <a href="qiconviewitem.html">QIconViewItem</a> * after )
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</h3>
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Constructs a QIconViewItem and inserts it into the icon view <em>parent</em> with no text and a default icon, after the icon view item
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<em>after</em>.
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<h3 class=fn><a name="QIconViewItem-3"></a>QIconViewItem::QIconViewItem ( <a href="qiconview.html">QIconView</a> * parent, const <a href="qstring.html">QString</a> & text )
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</h3>
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Constructs an icon view item and inserts it into the icon view <em>parent</em> using <em>text</em> as the text and a default icon.
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<h3 class=fn><a name="QIconViewItem-4"></a>QIconViewItem::QIconViewItem ( <a href="qiconview.html">QIconView</a> * parent, <a href="qiconviewitem.html">QIconViewItem</a> * after, const <a href="qstring.html">QString</a> & text )
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</h3>
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Constructs an icon view item and inserts it into the icon view <em>parent</em> using <em>text</em> as the text and a default icon, after the
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icon view item <em>after</em>.
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<h3 class=fn><a name="QIconViewItem-5"></a>QIconViewItem::QIconViewItem ( <a href="qiconview.html">QIconView</a> * parent, const <a href="qstring.html">QString</a> & text, const <a href="qpixmap.html">QPixmap</a> & icon )
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</h3>
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Constructs an icon view item and inserts it into the icon view <em>parent</em> using <em>text</em> as the text and <em>icon</em> as the icon.
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<h3 class=fn><a name="QIconViewItem-6"></a>QIconViewItem::QIconViewItem ( <a href="qiconview.html">QIconView</a> * parent, <a href="qiconviewitem.html">QIconViewItem</a> * after, const <a href="qstring.html">QString</a> & text, const <a href="qpixmap.html">QPixmap</a> & icon )
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</h3>
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Constructs an icon view item and inserts it into the icon view <em>parent</em> using <em>text</em> as the text and <em>icon</em> as the icon, after
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the icon view item <em>after</em>.
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<p> <p>See also <a href="#setPixmap">setPixmap</a>().
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<h3 class=fn><a name="QIconViewItem-7"></a>QIconViewItem::QIconViewItem ( <a href="qiconview.html">QIconView</a> * parent, const <a href="qstring.html">QString</a> & text, const <a href="qpicture.html">QPicture</a> & picture )
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</h3>
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Constructs an icon view item and inserts it into the icon view <em>parent</em> using <em>text</em> as the text and <em>picture</em> as the icon.
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<h3 class=fn><a name="QIconViewItem-8"></a>QIconViewItem::QIconViewItem ( <a href="qiconview.html">QIconView</a> * parent, <a href="qiconviewitem.html">QIconViewItem</a> * after, const <a href="qstring.html">QString</a> & text, const <a href="qpicture.html">QPicture</a> & picture )
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</h3>
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Constructs an icon view item and inserts it into the icon view <em>parent</em> using <em>text</em> as the text and <em>picture</em> as the icon, after
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the icon view item <em>after</em>.
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<h3 class=fn><a name="~QIconViewItem"></a>QIconViewItem::~QIconViewItem ()<tt> [virtual]</tt>
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</h3>
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Destroys the icon view item and tells the parent icon view that
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the item has been destroyed.
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<h3 class=fn>bool <a name="acceptDrop"></a>QIconViewItem::acceptDrop ( const <a href="qmimesource.html">QMimeSource</a> * mime ) const<tt> [virtual]</tt>
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</h3>
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<p> Returns TRUE if you can drop things with a <a href="qmimesource.html">QMimeSource</a> of <em>mime</em>
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onto this item; otherwise returns FALSE.
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<p> The default implementation always returns FALSE. You must subclass
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|
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QIconViewItem and reimplement <a href="#acceptDrop">acceptDrop</a>() to accept drops.
|
||
|
|
|
||
|
|
<p>Examples: <a href="fileiconview-example.html#x836">fileiconview/qfileiconview.cpp</a> and <a href="simple_dd-example.html#x2822">iconview/simple_dd/main.cpp</a>.
|
||
|
|
<h3 class=fn>void <a name="calcRect"></a>QIconViewItem::calcRect ( const <a href="qstring.html">QString</a> & text_ = QString::null )<tt> [virtual protected]</tt>
|
||
|
|
</h3>
|
||
|
|
This virtual function is responsible for calculating the
|
||
|
|
rectangles returned by <a href="#rect">rect</a>(), <a href="#textRect">textRect</a>() and <a href="#pixmapRect">pixmapRect</a>().
|
||
|
|
setRect(), <a href="#setTextRect">setTextRect</a>() and <a href="#setPixmapRect">setPixmapRect</a>() are provided mainly
|
||
|
|
for reimplementations of this function.
|
||
|
|
<p> <em>text_</em> is an internal parameter which defaults to <a href="qstring.html#QString-null">QString::null</a>.
|
||
|
|
|
||
|
|
<h3 class=fn>int <a name="compare"></a>QIconViewItem::compare ( <a href="qiconviewitem.html">QIconViewItem</a> * i ) const<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Compares this icon view item to <em>i</em>. Returns -1 if this item is
|
||
|
|
less than <em>i</em>, 0 if they are equal, and 1 if this icon view item
|
||
|
|
is greater than <em>i</em>.
|
||
|
|
<p> The default implementation compares the item keys (<a href="#key">key</a>()) using
|
||
|
|
<a href="qstring.html#localeAwareCompare">QString::localeAwareCompare</a>(). A reimplementation may use
|
||
|
|
different values and a different comparison function. Here is a
|
||
|
|
reimplementation that uses plain Unicode comparison:
|
||
|
|
<p> <pre>
|
||
|
|
int MyIconViewItem::compare( QIconViewItem *i ) const
|
||
|
|
{
|
||
|
|
return key().compare( i-><a href="#key">key</a>() );
|
||
|
|
}
|
||
|
|
</pre>
|
||
|
|
|
||
|
|
<p> <p>See also <a href="#key">key</a>(), <a href="qstring.html#localeAwareCompare">QString::localeAwareCompare</a>(), and <a href="qstring.html#compare">QString::compare</a>().
|
||
|
|
|
||
|
|
<h3 class=fn>bool <a name="contains"></a>QIconViewItem::contains ( const <a href="qpoint.html">QPoint</a> & pnt ) const
|
||
|
|
</h3>
|
||
|
|
Returns TRUE if the item contains the point <em>pnt</em> (in contents
|
||
|
|
coordinates); otherwise returns FALSE.
|
||
|
|
|
||
|
|
<h3 class=fn>bool <a name="dragEnabled"></a>QIconViewItem::dragEnabled () const
|
||
|
|
</h3>
|
||
|
|
Returns TRUE if the user is allowed to drag the icon view item;
|
||
|
|
otherwise returns FALSE.
|
||
|
|
<p> <p>See also <a href="#setDragEnabled">setDragEnabled</a>().
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="dragEntered"></a>QIconViewItem::dragEntered ()<tt> [virtual protected]</tt>
|
||
|
|
</h3>
|
||
|
|
This function is called when a drag enters the item's bounding
|
||
|
|
rectangle.
|
||
|
|
<p> The default implementation does nothing; subclasses may
|
||
|
|
reimplement this function.
|
||
|
|
|
||
|
|
<p>Example: <a href="fileiconview-example.html#x837">fileiconview/qfileiconview.cpp</a>.
|
||
|
|
<h3 class=fn>void <a name="dragLeft"></a>QIconViewItem::dragLeft ()<tt> [virtual protected]</tt>
|
||
|
|
</h3>
|
||
|
|
This function is called when a drag leaves the item's bounding
|
||
|
|
rectangle.
|
||
|
|
<p> The default implementation does nothing; subclasses may
|
||
|
|
reimplement this function.
|
||
|
|
|
||
|
|
<p>Example: <a href="fileiconview-example.html#x838">fileiconview/qfileiconview.cpp</a>.
|
||
|
|
<h3 class=fn>bool <a name="dropEnabled"></a>QIconViewItem::dropEnabled () const
|
||
|
|
</h3>
|
||
|
|
Returns TRUE if the user is allowed to drop something onto the
|
||
|
|
item; otherwise returns FALSE.
|
||
|
|
<p> <p>See also <a href="#setDropEnabled">setDropEnabled</a>().
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="dropped"></a>QIconViewItem::dropped ( <a href="qdropevent.html">QDropEvent</a> * e, const <a href="qvaluelist.html">QValueList</a><QIconDragItem> & lst )<tt> [virtual protected]</tt>
|
||
|
|
</h3>
|
||
|
|
|
||
|
|
<p> This function is called when something is dropped on the item. <em>e</em> provides all the information about the drop. If the drag object
|
||
|
|
of the drop was a <a href="qicondrag.html">QIconDrag</a>, <em>lst</em> contains the list of the
|
||
|
|
dropped items. You can get the data by calling
|
||
|
|
<a href="qicondragitem.html#data">QIconDragItem::data</a>() on each item. If the <em>lst</em> is empty, i.e.
|
||
|
|
the drag was not a QIconDrag, you must decode the data in <em>e</em> and
|
||
|
|
work with that.
|
||
|
|
<p> The default implementation does nothing; subclasses may
|
||
|
|
reimplement this function.
|
||
|
|
|
||
|
|
<p>Examples: <a href="fileiconview-example.html#x839">fileiconview/qfileiconview.cpp</a> and <a href="simple_dd-example.html#x2823">iconview/simple_dd/main.cpp</a>.
|
||
|
|
<h3 class=fn>int <a name="height"></a>QIconViewItem::height () const
|
||
|
|
</h3>
|
||
|
|
Returns the height of the item.
|
||
|
|
|
||
|
|
<h3 class=fn><a href="qiconview.html">QIconView</a> * <a name="iconView"></a>QIconViewItem::iconView () const
|
||
|
|
</h3>
|
||
|
|
Returns a pointer to this item's icon view parent.
|
||
|
|
|
||
|
|
<h3 class=fn>int <a name="index"></a>QIconViewItem::index () const
|
||
|
|
</h3>
|
||
|
|
Returns the index of this item in the icon view, or -1 if an error
|
||
|
|
occurred.
|
||
|
|
|
||
|
|
<h3 class=fn>bool <a name="intersects"></a>QIconViewItem::intersects ( const <a href="qrect.html">QRect</a> & r ) const
|
||
|
|
</h3>
|
||
|
|
Returns TRUE if the item intersects the rectangle <em>r</em> (in
|
||
|
|
contents coordinates); otherwise returns FALSE.
|
||
|
|
|
||
|
|
<h3 class=fn>bool <a name="isSelectable"></a>QIconViewItem::isSelectable () const
|
||
|
|
</h3>
|
||
|
|
Returns TRUE if the item is selectable; otherwise returns FALSE.
|
||
|
|
<p> <p>See also <a href="#setSelectable">setSelectable</a>().
|
||
|
|
|
||
|
|
<h3 class=fn>bool <a name="isSelected"></a>QIconViewItem::isSelected () const
|
||
|
|
</h3>
|
||
|
|
Returns TRUE if the item is selected; otherwise returns FALSE.
|
||
|
|
<p> <p>See also <a href="#setSelected">setSelected</a>().
|
||
|
|
|
||
|
|
<p>Example: <a href="fileiconview-example.html#x840">fileiconview/qfileiconview.cpp</a>.
|
||
|
|
<h3 class=fn><a href="qstring.html">QString</a> <a name="key"></a>QIconViewItem::key () const<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Returns the key of the icon view item or <a href="#text">text</a>() if no key has been
|
||
|
|
explicitly set.
|
||
|
|
<p> <p>See also <a href="#setKey">setKey</a>() and <a href="#compare">compare</a>().
|
||
|
|
|
||
|
|
<h3 class=fn>bool <a name="move"></a>QIconViewItem::move ( int x, int y )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Moves the item to position (<em>x</em>, <em>y</em>) in the icon view (these
|
||
|
|
are contents coordinates).
|
||
|
|
|
||
|
|
<h3 class=fn>bool <a name="move-2"></a>QIconViewItem::move ( const <a href="qpoint.html">QPoint</a> & pnt )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
||
|
|
<p> Moves the item to the point <em>pnt</em>.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="moveBy"></a>QIconViewItem::moveBy ( int dx, int dy )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Moves the item <em>dx</em> pixels in the x-direction and <em>dy</em> pixels in
|
||
|
|
the y-direction.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="moveBy-2"></a>QIconViewItem::moveBy ( const <a href="qpoint.html">QPoint</a> & pnt )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
||
|
|
<p> Moves the item by the x, y values in point <em>pnt</em>.
|
||
|
|
|
||
|
|
<h3 class=fn><a href="qiconviewitem.html">QIconViewItem</a> * <a name="nextItem"></a>QIconViewItem::nextItem () const
|
||
|
|
</h3>
|
||
|
|
Returns a pointer to the next item, or 0 if this is the last item
|
||
|
|
in the icon view.
|
||
|
|
<p> To find the first item use <a href="qiconview.html#firstItem">QIconView::firstItem</a>().
|
||
|
|
<p> Example:
|
||
|
|
<pre>
|
||
|
|
QIconViewItem *item;
|
||
|
|
for ( item = iconView->firstItem(); item; item = item-><a href="#nextItem">nextItem</a>() )
|
||
|
|
do_something_with( item );
|
||
|
|
</pre>
|
||
|
|
|
||
|
|
<p> <p>See also <a href="#prevItem">prevItem</a>().
|
||
|
|
|
||
|
|
<p>Example: <a href="fileiconview-example.html#x841">fileiconview/qfileiconview.cpp</a>.
|
||
|
|
<h3 class=fn>void <a name="paintFocus"></a>QIconViewItem::paintFocus ( <a href="qpainter.html">QPainter</a> * p, const <a href="qcolorgroup.html">QColorGroup</a> & cg )<tt> [virtual protected]</tt>
|
||
|
|
</h3>
|
||
|
|
Paints the focus rectangle of the item using the painter <em>p</em> and
|
||
|
|
the color group <em>cg</em>.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="paintItem"></a>QIconViewItem::paintItem ( <a href="qpainter.html">QPainter</a> * p, const <a href="qcolorgroup.html">QColorGroup</a> & cg )<tt> [virtual protected]</tt>
|
||
|
|
</h3>
|
||
|
|
Paints the item using the painter <em>p</em> and the color group <em>cg</em>.
|
||
|
|
If you want the item to be drawn with a different font or color,
|
||
|
|
reimplement this function, change the values of the color group or
|
||
|
|
the painter's font, and then call the <a href="#paintItem">QIconViewItem::paintItem</a>()
|
||
|
|
with the changed values.
|
||
|
|
|
||
|
|
<p>Example: <a href="fileiconview-example.html#x842">fileiconview/qfileiconview.cpp</a>.
|
||
|
|
<h3 class=fn><a href="qpicture.html">QPicture</a> * <a name="picture"></a>QIconViewItem::picture () const<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Returns the icon of the icon view item if it is a picture, or 0 if
|
||
|
|
it is a pixmap. In the latter case use <a href="#pixmap">pixmap</a>() instead. Normally
|
||
|
|
you set the picture of the item with <a href="#setPicture">setPicture</a>(), but sometimes
|
||
|
|
it's inconvenient to call setPicture() for every item. So you can
|
||
|
|
subclass QIconViewItem, reimplement this function and return a
|
||
|
|
pointer to the item's picture. If you do this, you <em>must</em> call
|
||
|
|
<a href="#calcRect">calcRect</a>() manually each time the size of this picture changes.
|
||
|
|
<p> <p>See also <a href="#setPicture">setPicture</a>().
|
||
|
|
|
||
|
|
<h3 class=fn><a href="qpixmap.html">QPixmap</a> * <a name="pixmap"></a>QIconViewItem::pixmap () const<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Returns the icon of the icon view item if it is a pixmap, or 0 if
|
||
|
|
it is a picture. In the latter case use <a href="#picture">picture</a>() instead.
|
||
|
|
Normally you set the pixmap of the item with <a href="#setPixmap">setPixmap</a>(), but
|
||
|
|
sometimes it's inconvenient to call setPixmap() for every item. So
|
||
|
|
you can subclass QIconViewItem, reimplement this function and
|
||
|
|
return a pointer to the item's pixmap. If you do this, you <em>must</em>
|
||
|
|
call <a href="#calcRect">calcRect</a>() manually each time the size of this pixmap
|
||
|
|
changes.
|
||
|
|
<p> <p>See also <a href="#setPixmap">setPixmap</a>().
|
||
|
|
|
||
|
|
<p>Example: <a href="fileiconview-example.html#x843">fileiconview/qfileiconview.cpp</a>.
|
||
|
|
<h3 class=fn><a href="qrect.html">QRect</a> <a name="pixmapRect"></a>QIconViewItem::pixmapRect ( bool relative = TRUE ) const
|
||
|
|
</h3>
|
||
|
|
Returns the bounding rectangle of the item's icon.
|
||
|
|
<p> If <em>relative</em> is TRUE, (the default), the rectangle is relative to
|
||
|
|
the origin of the item's rectangle. If <em>relative</em> is FALSE, the
|
||
|
|
returned rectangle is relative to the origin of the icon view's
|
||
|
|
contents coordinate system.
|
||
|
|
|
||
|
|
<p>Example: <a href="fileiconview-example.html#x844">fileiconview/qfileiconview.cpp</a>.
|
||
|
|
<h3 class=fn><a href="qpoint.html">QPoint</a> <a name="pos"></a>QIconViewItem::pos () const
|
||
|
|
</h3>
|
||
|
|
Returns the position of the item (in contents coordinates).
|
||
|
|
|
||
|
|
<h3 class=fn><a href="qiconviewitem.html">QIconViewItem</a> * <a name="prevItem"></a>QIconViewItem::prevItem () const
|
||
|
|
</h3>
|
||
|
|
Returns a pointer to the previous item, or 0 if this is the first
|
||
|
|
item in the icon view.
|
||
|
|
<p> <p>See also <a href="#nextItem">nextItem</a>() and <a href="qiconview.html#firstItem">QIconView::firstItem</a>().
|
||
|
|
|
||
|
|
<h3 class=fn><a href="qrect.html">QRect</a> <a name="rect"></a>QIconViewItem::rect () const
|
||
|
|
</h3>
|
||
|
|
Returns the bounding rectangle of the item (in contents
|
||
|
|
coordinates).
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="removeRenameBox"></a>QIconViewItem::removeRenameBox ()<tt> [virtual protected]</tt>
|
||
|
|
</h3>
|
||
|
|
Removes the editbox that is used for in-place renaming.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="rename"></a>QIconViewItem::rename ()
|
||
|
|
</h3>
|
||
|
|
Starts in-place renaming of an icon, if allowed.
|
||
|
|
<p> This function sets up the icon view so that the user can edit the
|
||
|
|
item text, and then returns. When the user is done, <a href="#setText">setText</a>() will
|
||
|
|
be called and <a href="qiconview.html#itemRenamed">QIconView::itemRenamed</a>() will be emitted (unless the
|
||
|
|
user canceled, e.g. by pressing the Escape key).
|
||
|
|
<p> <p>See also <a href="#setRenameEnabled">setRenameEnabled</a>().
|
||
|
|
|
||
|
|
<p>Example: <a href="fileiconview-example.html#x845">fileiconview/qfileiconview.cpp</a>.
|
||
|
|
<h3 class=fn>bool <a name="renameEnabled"></a>QIconViewItem::renameEnabled () const
|
||
|
|
</h3>
|
||
|
|
Returns TRUE if the item can be renamed by the user with in-place
|
||
|
|
renaming; otherwise returns FALSE.
|
||
|
|
<p> <p>See also <a href="#setRenameEnabled">setRenameEnabled</a>().
|
||
|
|
|
||
|
|
<p>Example: <a href="fileiconview-example.html#x846">fileiconview/qfileiconview.cpp</a>.
|
||
|
|
<h3 class=fn>void <a name="repaint"></a>QIconViewItem::repaint ()<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Repaints the item.
|
||
|
|
|
||
|
|
<h3 class=fn>int <a name="rtti"></a>QIconViewItem::rtti () const<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Returns 0.
|
||
|
|
<p> Make your derived classes return their own values for <a href="#rtti">rtti</a>(), so
|
||
|
|
that you can distinguish between icon view item types. You should
|
||
|
|
use values greater than 1000, preferably a large random number, to
|
||
|
|
allow for extensions to this class.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setDragEnabled"></a>QIconViewItem::setDragEnabled ( bool allow )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
If <em>allow</em> is TRUE, the icon view permits the user to drag the
|
||
|
|
icon view item either to another position within the icon view or
|
||
|
|
to somewhere outside of it. If <em>allow</em> is FALSE, the item cannot
|
||
|
|
be dragged.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setDropEnabled"></a>QIconViewItem::setDropEnabled ( bool allow )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
If <em>allow</em> is TRUE, the icon view lets the user drop something on
|
||
|
|
this icon view item.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setItemRect"></a>QIconViewItem::setItemRect ( const <a href="qrect.html">QRect</a> & r )<tt> [protected]</tt>
|
||
|
|
</h3>
|
||
|
|
Sets the bounding rectangle of the whole item to <em>r</em>. This
|
||
|
|
function is provided for subclasses which reimplement <a href="#calcRect">calcRect</a>(),
|
||
|
|
so that they can set the calculated rectangle. <em>Any other use is discouraged.</em>
|
||
|
|
<p> <p>See also <a href="#calcRect">calcRect</a>(), <a href="#textRect">textRect</a>(), <a href="#setTextRect">setTextRect</a>(), <a href="#pixmapRect">pixmapRect</a>(), and <a href="#setPixmapRect">setPixmapRect</a>().
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setKey"></a>QIconViewItem::setKey ( const <a href="qstring.html">QString</a> & k )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Sets <em>k</em> as the sort key of the icon view item. By default
|
||
|
|
<a href="#text">text</a>() is used for sorting.
|
||
|
|
<p> <p>See also <a href="#compare">compare</a>().
|
||
|
|
|
||
|
|
<p>Example: <a href="fileiconview-example.html#x847">fileiconview/qfileiconview.cpp</a>.
|
||
|
|
<h3 class=fn>void <a name="setPicture"></a>QIconViewItem::setPicture ( const <a href="qpicture.html">QPicture</a> & icon )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Sets <em>icon</em> as the item's icon in the icon view. This function
|
||
|
|
might be a no-op if you reimplement <a href="#picture">picture</a>().
|
||
|
|
<p> <p>See also <a href="#picture">picture</a>().
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setPixmap"></a>QIconViewItem::setPixmap ( const <a href="qpixmap.html">QPixmap</a> & icon )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Sets <em>icon</em> as the item's icon in the icon view. This function
|
||
|
|
might be a no-op if you reimplement <a href="#pixmap">pixmap</a>().
|
||
|
|
<p> <b>Note:</b> Pixmaps with individual dimensions larger than 300 pixels may
|
||
|
|
not be displayed properly, depending on the <a href="qiconview.html#Arrangement-enum">arrangement in use</a>. See the <a href="#pixmap-size-limit">main class
|
||
|
|
documentation</a> for details.
|
||
|
|
<p> <p>See also <a href="#pixmap">pixmap</a>().
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setPixmap-2"></a>QIconViewItem::setPixmap ( const <a href="qpixmap.html">QPixmap</a> & icon, bool recalc, bool redraw = TRUE )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
||
|
|
<p> Sets <em>icon</em> as the item's icon in the icon view. If <em>recalc</em> is
|
||
|
|
TRUE, the icon view's layout is recalculated. If <em>redraw</em> is TRUE
|
||
|
|
(the default), the icon view is repainted.
|
||
|
|
<p> <b>Note:</b> Pixmaps with individual dimensions larger than 300 pixels may
|
||
|
|
not be displayed properly, depending on the <a href="qiconview.html#Arrangement-enum">arrangement in use</a>. See the <a href="#pixmap-size-limit">main class
|
||
|
|
documentation</a> for details.
|
||
|
|
<p> <p>See also <a href="#pixmap">pixmap</a>().
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setPixmapRect"></a>QIconViewItem::setPixmapRect ( const <a href="qrect.html">QRect</a> & r )<tt> [protected]</tt>
|
||
|
|
</h3>
|
||
|
|
Sets the bounding rectangle of the item's icon to <em>r</em>. This
|
||
|
|
function is provided for subclasses which reimplement <a href="#calcRect">calcRect</a>(),
|
||
|
|
so that they can set the calculated rectangle. <em>Any other use is discouraged.</em>
|
||
|
|
<p> <p>See also <a href="#calcRect">calcRect</a>(), <a href="#pixmapRect">pixmapRect</a>(), <a href="#setItemRect">setItemRect</a>(), and <a href="#setTextRect">setTextRect</a>().
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setRenameEnabled"></a>QIconViewItem::setRenameEnabled ( bool allow )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
If <em>allow</em> is TRUE, the user can rename the icon view item by
|
||
|
|
clicking on the text (or pressing F2) while the item is selected
|
||
|
|
(in-place renaming). If <em>allow</em> is FALSE, in-place renaming is
|
||
|
|
not possible.
|
||
|
|
|
||
|
|
<p>Examples: <a href="fileiconview-example.html#x848">fileiconview/qfileiconview.cpp</a>, <a href="iconview-example.html#x1459">iconview/main.cpp</a>, and <a href="simple_dd-example.html#x2824">iconview/simple_dd/main.cpp</a>.
|
||
|
|
<h3 class=fn>void <a name="setSelectable"></a>QIconViewItem::setSelectable ( bool enable )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Sets this item to be selectable if <em>enable</em> is TRUE (the default)
|
||
|
|
or unselectable if <em>enable</em> is FALSE.
|
||
|
|
<p> The user is unable to select a non-selectable item using either
|
||
|
|
the keyboard or the mouse. (The application programmer can select
|
||
|
|
an item in code regardless of this setting.)
|
||
|
|
<p> <p>See also <a href="#isSelectable">isSelectable</a>().
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setSelected"></a>QIconViewItem::setSelected ( bool s, bool cb )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Selects or unselects the item, depending on <em>s</em>; it may also
|
||
|
|
unselect other items, depending on <a href="qiconview.html#selectionMode">QIconView::selectionMode</a>() and
|
||
|
|
<em>cb</em>.
|
||
|
|
<p> If <em>s</em> is FALSE, the item is unselected.
|
||
|
|
<p> If <em>s</em> is TRUE and QIconView::selectionMode() is <tt>Single</tt>, the
|
||
|
|
item is selected and the item previously selected is unselected.
|
||
|
|
<p> If <em>s</em> is TRUE and QIconView::selectionMode() is <tt>Extended</tt>, the
|
||
|
|
item is selected. If <em>cb</em> is TRUE, the selection state of the
|
||
|
|
other items is left unchanged. If <em>cb</em> is FALSE (the default) all
|
||
|
|
other items are unselected.
|
||
|
|
<p> If <em>s</em> is TRUE and QIconView::selectionMode() is <tt>Multi</tt>, the
|
||
|
|
item is selected.
|
||
|
|
<p> Note that <em>cb</em> is used only if QIconView::selectionMode() is <tt>Extended</tt>; cb defaults to FALSE.
|
||
|
|
<p> All items whose selection status changes repaint themselves.
|
||
|
|
|
||
|
|
<p>Example: <a href="fileiconview-example.html#x849">fileiconview/qfileiconview.cpp</a>.
|
||
|
|
<h3 class=fn>void <a name="setSelected-2"></a>QIconViewItem::setSelected ( bool s )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
||
|
|
<p> This variant is equivalent to calling the other variant with <em>cb</em>
|
||
|
|
set to FALSE.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setText"></a>QIconViewItem::setText ( const <a href="qstring.html">QString</a> & text )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Sets <em>text</em> as the text of the icon view item. This function
|
||
|
|
might be a no-op if you reimplement <a href="#text">text</a>().
|
||
|
|
<p> <p>See also <a href="#text">text</a>().
|
||
|
|
|
||
|
|
<p>Example: <a href="fileiconview-example.html#x850">fileiconview/qfileiconview.cpp</a>.
|
||
|
|
<h3 class=fn>void <a name="setText-2"></a>QIconViewItem::setText ( const <a href="qstring.html">QString</a> & text, bool recalc, bool redraw = TRUE )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
||
|
|
<p> Sets <em>text</em> as the text of the icon view item. If <em>recalc</em> is
|
||
|
|
TRUE, the icon view's layout is recalculated. If <em>redraw</em> is TRUE
|
||
|
|
(the default), the icon view is repainted.
|
||
|
|
<p> <p>See also <a href="#text">text</a>().
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setTextRect"></a>QIconViewItem::setTextRect ( const <a href="qrect.html">QRect</a> & r )<tt> [protected]</tt>
|
||
|
|
</h3>
|
||
|
|
Sets the bounding rectangle of the item's text to <em>r</em>. This
|
||
|
|
function is provided for subclasses which reimplement <a href="#calcRect">calcRect</a>(),
|
||
|
|
so that they can set the calculated rectangle. <em>Any other use is discouraged.</em>
|
||
|
|
<p> <p>See also <a href="#calcRect">calcRect</a>(), <a href="#textRect">textRect</a>(), <a href="#setItemRect">setItemRect</a>(), and <a href="#setPixmapRect">setPixmapRect</a>().
|
||
|
|
|
||
|
|
<h3 class=fn><a href="qsize.html">QSize</a> <a name="size"></a>QIconViewItem::size () const
|
||
|
|
</h3>
|
||
|
|
Returns the size of the item.
|
||
|
|
|
||
|
|
<h3 class=fn><a href="qstring.html">QString</a> <a name="text"></a>QIconViewItem::text () const<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Returns the text of the icon view item. Normally you set the text
|
||
|
|
of the item with <a href="#setText">setText</a>(), but sometimes it's inconvenient to
|
||
|
|
call setText() for every item; so you can subclass QIconViewItem,
|
||
|
|
reimplement this function, and return the text of the item. If you
|
||
|
|
do this, you must call <a href="#calcRect">calcRect</a>() manually each time the text
|
||
|
|
(and therefore its size) changes.
|
||
|
|
<p> <p>See also <a href="#setText">setText</a>().
|
||
|
|
|
||
|
|
<p>Example: <a href="fileiconview-example.html#x851">fileiconview/qfileiconview.cpp</a>.
|
||
|
|
<h3 class=fn><a href="qrect.html">QRect</a> <a name="textRect"></a>QIconViewItem::textRect ( bool relative = TRUE ) const
|
||
|
|
</h3>
|
||
|
|
Returns the bounding rectangle of the item's text.
|
||
|
|
<p> If <em>relative</em> is TRUE, (the default), the returned rectangle is
|
||
|
|
relative to the origin of the item's rectangle. If <em>relative</em> is
|
||
|
|
FALSE, the returned rectangle is relative to the origin of the
|
||
|
|
icon view's contents coordinate system.
|
||
|
|
|
||
|
|
<p>Example: <a href="fileiconview-example.html#x852">fileiconview/qfileiconview.cpp</a>.
|
||
|
|
<h3 class=fn>int <a name="width"></a>QIconViewItem::width () const
|
||
|
|
</h3>
|
||
|
|
Returns the width of the item.
|
||
|
|
|
||
|
|
<h3 class=fn>int <a name="x"></a>QIconViewItem::x () const
|
||
|
|
</h3>
|
||
|
|
Returns the x-coordinate of the item (in contents coordinates).
|
||
|
|
|
||
|
|
<h3 class=fn>int <a name="y"></a>QIconViewItem::y () const
|
||
|
|
</h3>
|
||
|
|
Returns the y-coordinate of the item (in contents coordinates).
|
||
|
|
|
||
|
|
<!-- eof -->
|
||
|
|
<hr><p>
|
||
|
|
This file is part of the <a href="index.html">Qt 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>Qt 3.3.8</div>
|
||
|
|
</table></div></address></body>
|
||
|
|
</html>
|