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338 lines
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338 lines
20 KiB
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/widgets/qsplitter.cpp:220 -->
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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>TQSplitter Class Reference</h1>
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<p>The TQSplitter class implements a splitter widget.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qsplitter-h.html">ntqsplitter.h</a>></tt>
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<p>Inherits <a href="ntqframe.html">TQFrame</a>.
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<p><a href="qsplitter-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>enum <a href="#ResizeMode-enum"><b>ResizeMode</b></a> { Stretch, KeepSize, FollowSizeHint, Auto }</li>
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<li class=fn><a href="#TQSplitter"><b>TQSplitter</b></a> ( TQWidget * parent = 0, const char * name = 0 )</li>
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<li class=fn><a href="#TQSplitter-2"><b>TQSplitter</b></a> ( Orientation o, TQWidget * parent = 0, const char * name = 0 )</li>
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<li class=fn><a href="#~TQSplitter"><b>~TQSplitter</b></a> ()</li>
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<li class=fn>virtual void <a href="#setOrientation"><b>setOrientation</b></a> ( Orientation )</li>
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<li class=fn>Orientation <a href="#orientation"><b>orientation</b></a> () const</li>
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<li class=fn>void <a href="#setChildrenCollapsible"><b>setChildrenCollapsible</b></a> ( bool )</li>
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<li class=fn>bool <a href="#childrenCollapsible"><b>childrenCollapsible</b></a> () const</li>
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<li class=fn>void <a href="#setCollapsible"><b>setCollapsible</b></a> ( TQWidget * w, bool collapse )</li>
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<li class=fn>virtual void <a href="#setResizeMode"><b>setResizeMode</b></a> ( TQWidget * w, ResizeMode mode )</li>
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<li class=fn>virtual void <a href="#setOpaqueResize"><b>setOpaqueResize</b></a> ( bool = TRUE )</li>
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<li class=fn>bool <a href="#opaqueResize"><b>opaqueResize</b></a> () const</li>
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<li class=fn>void <a href="#moveToFirst"><b>moveToFirst</b></a> ( TQWidget * w )</li>
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<li class=fn>void <a href="#moveToLast"><b>moveToLast</b></a> ( TQWidget * w )</li>
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<li class=fn>void <a href="#refresh"><b>refresh</b></a> ()</li>
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<li class=fn>TQValueList<int> <a href="#sizes"><b>sizes</b></a> () const</li>
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<li class=fn>void <a href="#setSizes"><b>setSizes</b></a> ( TQValueList<int> list )</li>
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<li class=fn>int <a href="#handleWidth"><b>handleWidth</b></a> () const</li>
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<li class=fn>void <a href="#setHandleWidth"><b>setHandleWidth</b></a> ( int )</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="#childrenCollapsible-prop"><b>childrenCollapsible</b></a> - whether child widgets can be resized down to size 0 by the user</li>
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<li class=fn>int <a href="#handleWidth-prop"><b>handleWidth</b></a> - the width of the splitter handle</li>
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<li class=fn>bool <a href="#opaqueResize-prop"><b>opaqueResize</b></a> - whether resizing is opaque</li>
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<li class=fn>Orientation <a href="#orientation-prop"><b>orientation</b></a> - the orientation of the splitter</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="#childEvent"><b>childEvent</b></a> ( TQChildEvent * c )</li>
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<li class=fn>int <a href="#idAfter"><b>idAfter</b></a> ( TQWidget * w ) const</li>
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<li class=fn>void <a href="#moveSplitter"><b>moveSplitter</b></a> ( TQCOORD p, int id )</li>
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<li class=fn>virtual void drawSplitter ( TQPainter * p, TQCOORD x, TQCOORD y, TQCOORD w, TQCOORD h ) <em>(obsolete)</em></li>
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<li class=fn>int <a href="#adjustPos"><b>adjustPos</b></a> ( int pos, int id )</li>
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<li class=fn>virtual void <a href="#setRubberband"><b>setRubberband</b></a> ( int p )</li>
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<li class=fn>void <a href="#getRange"><b>getRange</b></a> ( int id, int * min, int * max )</li>
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</ul>
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<h2>Related Functions</h2>
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<ul>
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<li class=fn>TQTextStream & <a href="#operator-lt-lt"><b>operator<<</b></a> ( TQTextStream & ts, const TQSplitter & splitter )</li>
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<li class=fn>TQTextStream & <a href="#operator-gt-gt"><b>operator>></b></a> ( TQTextStream & ts, TQSplitter & splitter )</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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The TQSplitter class implements a splitter widget.
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<p>
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<p> A splitter lets the user control the size of child widgets by
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dragging the boundary between the children. Any number of widgets
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may be controlled by a single splitter.
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<p> To show a <a href="ntqlistbox.html">TQListBox</a>, a <a href="ntqlistview.html">TQListView</a> and a <a href="ntqtextedit.html">TQTextEdit</a> side by side:
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<pre>
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TQSplitter *split = new TQSplitter( parent );
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<a href="ntqlistbox.html">TQListBox</a> *lb = new <a href="ntqlistbox.html">TQListBox</a>( split );
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<a href="ntqlistview.html">TQListView</a> *lv = new <a href="ntqlistview.html">TQListView</a>( split );
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<a href="ntqtextedit.html">TQTextEdit</a> *ed = new <a href="ntqtextedit.html">TQTextEdit</a>( split );
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</pre>
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<p> TQSplitter lays out its children horizontally (side by side); you
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can use <a href="#setOrientation">setOrientation</a>(TQSplitter::Vertical) to lay out the
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children vertically.
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<p> By default, all widgets can be as large or as small as the user
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wishes, between the <a href="ntqwidget.html#minimumSizeHint">minimumSizeHint</a>() (or <a href="ntqwidget.html#minimumSize">minimumSize</a>())
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and <a href="ntqwidget.html#maximumSize">maximumSize</a>() of the widgets. Use <a href="#setResizeMode">setResizeMode</a>() to
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specify that a widget should keep its size when the splitter is
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resized, or set the stretch component of the <a href="ntqwidget.html#sizePolicy-prop">sizePolicy</a>.
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<p> Although TQSplitter normally resizes the children only at the end
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of a resize operation, if you call <a href="#setOpaqueResize">setOpaqueResize</a>(TRUE) the
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widgets are resized as often as possible.
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<p> The initial distribution of size between the widgets is determined
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by the initial size of each widget. You can also use <a href="#setSizes">setSizes</a>() to
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set the sizes of all the widgets. The function <a href="#sizes">sizes</a>() returns the
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sizes set by the user.
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<p> If you <a href="ntqwidget.html#hide">hide</a>() a child its space will be distributed among the
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other children. It will be reinstated when you <a href="ntqwidget.html#show">show</a>() it again. It
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is also possible to reorder the widgets within the splitter using
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<a href="#moveToFirst">moveToFirst</a>() and <a href="#moveToLast">moveToLast</a>().
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<p> <img src=qsplitter-m.png> <img src=qsplitter-w.png>
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<p> <p>See also <a href="ntqtabbar.html">TQTabBar</a> and <a href="organizers.html">Organizers</a>.
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<hr><h2>Member Type Documentation</h2>
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<h3 class=fn><a name="ResizeMode-enum"></a>TQSplitter::ResizeMode</h3>
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<p> This enum type describes how TQSplitter will resize each of its
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child widgets.
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<ul>
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<li><tt>TQSplitter::Auto</tt> - The widget will be resized according to the stretch
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factors set in its <a href="ntqwidget.html#sizePolicy">sizePolicy</a>().
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<li><tt>TQSplitter::Stretch</tt> - The widget will be resized when the splitter
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itself is resized.
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<li><tt>TQSplitter::KeepSize</tt> - TQSplitter will try to keep the widget's size
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unchanged.
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<li><tt>TQSplitter::FollowSizeHint</tt> - TQSplitter will resize the widget when the
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widget's size hint changes.
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</ul>
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQSplitter"></a>TQSplitter::TQSplitter ( <a href="ntqwidget.html">TQWidget</a> * parent = 0, const char * name = 0 )
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</h3>
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Constructs a horizontal splitter with the <em>parent</em> and <em>name</em>
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arguments being passed on to the <a href="ntqframe.html">TQFrame</a> constructor.
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<h3 class=fn><a name="TQSplitter-2"></a>TQSplitter::TQSplitter ( <a href="ntqt.html#Orientation-enum">Orientation</a> o, <a href="ntqwidget.html">TQWidget</a> * parent = 0, const char * name = 0 )
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</h3>
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Constructs a splitter with orientation <em>o</em> with the <em>parent</em> and
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<em>name</em> arguments being passed on to the <a href="ntqframe.html">TQFrame</a> constructor.
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<h3 class=fn><a name="~TQSplitter"></a>TQSplitter::~TQSplitter ()
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</h3>
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Destroys the splitter and any children.
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<h3 class=fn>int <a name="adjustPos"></a>TQSplitter::adjustPos ( int pos, int id )<tt> [protected]</tt>
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</h3>
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Returns the closest legal position to <em>pos</em> of the widget with ID
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<em>id</em>.
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<p> <p>See also <a href="#idAfter">idAfter</a>().
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<h3 class=fn>void <a name="childEvent"></a>TQSplitter::childEvent ( <a href="qchildevent.html">TQChildEvent</a> * c )<tt> [virtual protected]</tt>
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</h3>
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Tells the splitter that the child widget described by <em>c</em> has
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been inserted or removed.
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<p>Reimplemented from <a href="ntqobject.html#childEvent">TQObject</a>.
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<h3 class=fn>bool <a name="childrenCollapsible"></a>TQSplitter::childrenCollapsible () const
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</h3><p>Returns TRUE if child widgets can be resized down to size 0 by the user; otherwise returns FALSE.
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See the <a href="ntqsplitter.html#childrenCollapsible-prop">"childrenCollapsible"</a> property for details.
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<h3 class=fn>void <a name="drawSplitter"></a>TQSplitter::drawSplitter ( <a href="ntqpainter.html">TQPainter</a> * p, TQCOORD x, TQCOORD y, TQCOORD w, TQCOORD h )<tt> [virtual protected]</tt>
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</h3>
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<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> Draws the splitter handle in the rectangle described by <em>x</em>, <em>y</em>,
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<em>w</em>, <em>h</em> using painter <em>p</em>.
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<p>See also <a href="ntqstyle.html#drawPrimitive">TQStyle::drawPrimitive</a>().
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<h3 class=fn>void <a name="getRange"></a>TQSplitter::getRange ( int id, int * min, int * max )<tt> [protected]</tt>
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</h3>
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Returns the valid range of the splitter with ID <em>id</em> in <em>*min</em>
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and <em>*max</em> if <em>min</em> and <em>max</em> are not 0.
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<p> <p>See also <a href="#idAfter">idAfter</a>().
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<h3 class=fn>int <a name="handleWidth"></a>TQSplitter::handleWidth () const
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</h3><p>Returns the width of the splitter handle.
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See the <a href="ntqsplitter.html#handleWidth-prop">"handleWidth"</a> property for details.
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<h3 class=fn>int <a name="idAfter"></a>TQSplitter::idAfter ( <a href="ntqwidget.html">TQWidget</a> * w ) const<tt> [protected]</tt>
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</h3>
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Returns the ID of the widget to the right of or below the widget
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<em>w</em>, or 0 if there is no such widget (i.e. it is either not in
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this TQSplitter or <em>w</em> is at the end).
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<h3 class=fn>void <a name="moveSplitter"></a>TQSplitter::moveSplitter ( TQCOORD p, int id )<tt> [protected]</tt>
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</h3>
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Moves the left/top edge of the splitter handle with ID <em>id</em> as
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close as possible to position <em>p</em>, which is the distance from the
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left (or top) edge of the widget.
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<p> For Arabic, Hebrew and other right-to-left languages the layout is
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reversed. <em>p</em> is then the distance from the right (or top) edge
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of the widget.
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<p> <p>See also <a href="#idAfter">idAfter</a>().
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<h3 class=fn>void <a name="moveToFirst"></a>TQSplitter::moveToFirst ( <a href="ntqwidget.html">TQWidget</a> * w )
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</h3>
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Moves widget <em>w</em> to the leftmost/top position.
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<p>Example: <a href="splitter-example.html#x1299">splitter/splitter.cpp</a>.
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<h3 class=fn>void <a name="moveToLast"></a>TQSplitter::moveToLast ( <a href="ntqwidget.html">TQWidget</a> * w )
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</h3>
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Moves widget <em>w</em> to the rightmost/bottom position.
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<h3 class=fn>bool <a name="opaqueResize"></a>TQSplitter::opaqueResize () const
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</h3><p>Returns TRUE if resizing is opaque; otherwise returns FALSE.
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See the <a href="ntqsplitter.html#opaqueResize-prop">"opaqueResize"</a> property for details.
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<h3 class=fn><a href="ntqt.html#Orientation-enum">Orientation</a> <a name="orientation"></a>TQSplitter::orientation () const
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</h3><p>Returns the orientation of the splitter.
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See the <a href="ntqsplitter.html#orientation-prop">"orientation"</a> property for details.
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<h3 class=fn>void <a name="refresh"></a>TQSplitter::refresh ()
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</h3>
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<p> Updates the splitter's state. You should not need to call this
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function.
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<h3 class=fn>void <a name="setChildrenCollapsible"></a>TQSplitter::setChildrenCollapsible ( bool )
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</h3><p>Sets whether child widgets can be resized down to size 0 by the user.
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See the <a href="ntqsplitter.html#childrenCollapsible-prop">"childrenCollapsible"</a> property for details.
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<h3 class=fn>void <a name="setCollapsible"></a>TQSplitter::setCollapsible ( <a href="ntqwidget.html">TQWidget</a> * w, bool collapse )
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</h3>
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Sets whether the child widget <em>w</em> is collapsible to <em>collapse</em>.
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<p> By default, children are collapsible, meaning that the user can
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resize them down to size 0, even if they have a non-zero
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<a href="ntqwidget.html#minimumSize">minimumSize</a>() or <a href="ntqwidget.html#minimumSizeHint">minimumSizeHint</a>(). This behavior can be changed
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on a per-widget basis by calling this function, or globally for
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all the widgets in the splitter by setting the <a href="#childrenCollapsible-prop">childrenCollapsible</a> property.
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<p> <p>See also <a href="#childrenCollapsible-prop">childrenCollapsible</a>.
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<h3 class=fn>void <a name="setHandleWidth"></a>TQSplitter::setHandleWidth ( int )
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</h3><p>Sets the width of the splitter handle.
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See the <a href="ntqsplitter.html#handleWidth-prop">"handleWidth"</a> property for details.
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<h3 class=fn>void <a name="setOpaqueResize"></a>TQSplitter::setOpaqueResize ( bool = TRUE )<tt> [virtual]</tt>
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</h3><p>Sets whether resizing is opaque.
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See the <a href="ntqsplitter.html#opaqueResize-prop">"opaqueResize"</a> property for details.
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<h3 class=fn>void <a name="setOrientation"></a>TQSplitter::setOrientation ( <a href="ntqt.html#Orientation-enum">Orientation</a> )<tt> [virtual]</tt>
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</h3><p>Sets the orientation of the splitter.
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See the <a href="ntqsplitter.html#orientation-prop">"orientation"</a> property for details.
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<h3 class=fn>void <a name="setResizeMode"></a>TQSplitter::setResizeMode ( <a href="ntqwidget.html">TQWidget</a> * w, <a href="ntqsplitter.html#ResizeMode-enum">ResizeMode</a> mode )<tt> [virtual]</tt>
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</h3>
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Sets resize mode of widget <em>w</em> to <em>mode</em>. (The default is <a href="#ResizeMode-enum">Auto</a>.)
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<p>Examples: <a href="fileiconview-example.html#x894">fileiconview/mainwindow.cpp</a>, <a href="listviews-example.html#x161">listviews/listviews.cpp</a>, and <a href="splitter-example.html#x1301">splitter/splitter.cpp</a>.
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<h3 class=fn>void <a name="setRubberband"></a>TQSplitter::setRubberband ( int p )<tt> [virtual protected]</tt>
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</h3>
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Displays a rubber band at position <em>p</em>. If <em>p</em> is negative, the
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rubber band is removed.
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<h3 class=fn>void <a name="setSizes"></a>TQSplitter::setSizes ( <a href="ntqvaluelist.html">TQValueList</a><int> list )
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</h3>
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Sets the size parameters to the values given in the <em>list</em>. If
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the splitter is horizontal, the values set the widths of each
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widget going from left to right. If the splitter is vertical, the
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values set the heights of each widget going from top to bottom.
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Extra values in the <em>list</em> are ignored.
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<p> If <em>list</em> contains too few values, the result is undefined but
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the program will still be well-behaved.
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<p> Note that the values in <em>list</em> should be the height/width that
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the widgets should be resized to.
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<p> <p>See also <a href="#sizes">sizes</a>().
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<h3 class=fn><a href="ntqvaluelist.html">TQValueList</a><int> <a name="sizes"></a>TQSplitter::sizes () const
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</h3>
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Returns a list of the size parameters of all the widgets in this
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splitter.
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<p> If the splitter's orientation is horizontal, the list is a list of
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widget widths; if the orientation is vertical, the list is a list
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of widget heights.
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<p> Giving the values to another splitter's <a href="#setSizes">setSizes</a>() function will
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produce a splitter with the same layout as this one.
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<p> Note that if you want to iterate over the list, you should iterate
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over a copy, e.g.
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<pre>
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<a href="ntqvaluelist.html">TQValueList</a><int> list = mySplitter.sizes();
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TQValueList<int>::Iterator it = list.<a href="ntqvaluelist.html#begin">begin</a>();
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while( it != list.<a href="ntqvaluelist.html#end">end</a>() ) {
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myProcessing( *it );
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++it;
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}
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</pre>
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<p> <p>See also <a href="#setSizes">setSizes</a>().
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<hr><h2>Property Documentation</h2>
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<h3 class=fn>bool <a name="childrenCollapsible-prop"></a>childrenCollapsible</h3>
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<p>This property holds whether child widgets can be resized down to size 0 by the user.
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<p>By default, children are collapsible. It is possible to enable
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and disable the collapsing of individual children; see
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<a href="#setCollapsible">setCollapsible</a>().
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<p>Set this property's value with <a href="#setChildrenCollapsible">setChildrenCollapsible</a>() and get this property's value with <a href="#childrenCollapsible">childrenCollapsible</a>().
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<h3 class=fn>int <a name="handleWidth-prop"></a>handleWidth</h3>
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<p>This property holds the width of the splitter handle.
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<p>
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<p>Set this property's value with <a href="#setHandleWidth">setHandleWidth</a>() and get this property's value with <a href="#handleWidth">handleWidth</a>().
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<h3 class=fn>bool <a name="opaqueResize-prop"></a>opaqueResize</h3>
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<p>This property holds whether resizing is opaque.
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<p>Opaque resizing is off by default.
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<p>Set this property's value with <a href="#setOpaqueResize">setOpaqueResize</a>() and get this property's value with <a href="#opaqueResize">opaqueResize</a>().
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<h3 class=fn><a href="ntqt.html#Orientation-enum">Orientation</a> <a name="orientation-prop"></a>orientation</h3>
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<p>This property holds the orientation of the splitter.
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<p>By default the orientation is horizontal (the widgets are side by
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side). The possible orientations are <a href="ntqt.html#Orientation-enum">Horizontal</a> and
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<a href="ntqt.html#Orientation-enum">Vertical</a>.
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<p>Set this property's value with <a href="#setOrientation">setOrientation</a>() and get this property's value with <a href="#orientation">orientation</a>().
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<hr><h2>Related Functions</h2>
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<h3 class=fn><a href="ntqtextstream.html">TQTextStream</a> & <a name="operator-lt-lt"></a>operator<< ( <a href="ntqtextstream.html">TQTextStream</a> & ts, const <a href="ntqsplitter.html">TQSplitter</a> & splitter )
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</h3>
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<p> Writes the sizes and the hidden state of the widgets in the
|
|
splitter <em>splitter</em> to the text stream <em>ts</em>.
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<p> <p>See also <a href="#operator-gt-gt">operator>></a>(), <a href="#sizes">sizes</a>(), and <a href="ntqwidget.html#hidden-prop">TQWidget::hidden</a>.
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<h3 class=fn><a href="ntqtextstream.html">TQTextStream</a> & <a name="operator-gt-gt"></a>operator>> ( <a href="ntqtextstream.html">TQTextStream</a> & ts, <a href="ntqsplitter.html">TQSplitter</a> & splitter )
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</h3>
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<p> Reads the sizes and the hidden state of the widgets in the
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splitter <em>splitter</em> from the text stream <em>ts</em>. The sizes must
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have been previously written by the <a href="#operator-lt-lt">operator<<</a>() function.
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<p> <p>See also <a href="#operator-lt-lt">operator<<</a>(), <a href="#setSizes">setSizes</a>(), and <a href="ntqwidget.html#hide">TQWidget::hide</a>().
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<!-- eof -->
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<hr><p>
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This file is part of the <a href="index.html">TQt toolkit</a>.
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Copyright © 1995-2007
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<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
|
|
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>TQt 3.3.8</div>
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</table></div></address></body>
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</html>
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