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+<title>TQButtonGroup Class</title>
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+ <a href="index.html">
+<font color="#004faf">Home</font></a>
+ | <a href="classes.html">
+<font color="#004faf">All&nbsp;Classes</font></a>
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+<font color="#004faf">Main&nbsp;Classes</font></a>
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+<font color="#004faf">Functions</font></a>
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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>TQButtonGroup Class Reference</h1>
+
+<p>The TQButtonGroup widget organizes TQButton widgets in a group.
+<a href="#details">More...</a>
+<p><tt>#include &lt;<a href="qbuttongroup-h.html">ntqbuttongroup.h</a>&gt;</tt>
+<p>Inherits <a href="ntqgroupbox.html">TQGroupBox</a>.
+<p>Inherited by <a href="ntqhbuttongroup.html">TQHButtonGroup</a> and <a href="ntqvbuttongroup.html">TQVButtonGroup</a>.
+<p><a href="qbuttongroup-members.html">List of all member functions.</a>
+<h2>Public Members</h2>
+<ul>
+<li class=fn><a href="#TQButtonGroup"><b>TQButtonGroup</b></a> ( TQWidget&nbsp;*&nbsp;parent = 0, const&nbsp;char&nbsp;*&nbsp;name = 0 )</li>
+<li class=fn><a href="#TQButtonGroup-2"><b>TQButtonGroup</b></a> ( const&nbsp;TQString&nbsp;&amp;&nbsp;title, TQWidget&nbsp;*&nbsp;parent = 0, const&nbsp;char&nbsp;*&nbsp;name = 0 )</li>
+<li class=fn><a href="#TQButtonGroup-3"><b>TQButtonGroup</b></a> ( int&nbsp;strips, Orientation&nbsp;orientation, TQWidget&nbsp;*&nbsp;parent = 0, const&nbsp;char&nbsp;*&nbsp;name = 0 )</li>
+<li class=fn><a href="#TQButtonGroup-4"><b>TQButtonGroup</b></a> ( int&nbsp;strips, Orientation&nbsp;orientation, const&nbsp;TQString&nbsp;&amp;&nbsp;title, TQWidget&nbsp;*&nbsp;parent = 0, const&nbsp;char&nbsp;*&nbsp;name = 0 )</li>
+<li class=fn>bool <a href="#isExclusive"><b>isExclusive</b></a> () const</li>
+<li class=fn>bool <a href="#isRadioButtonExclusive"><b>isRadioButtonExclusive</b></a> () const</li>
+<li class=fn>virtual void <a href="#setExclusive"><b>setExclusive</b></a> ( bool )</li>
+<li class=fn>virtual void <a href="#setRadioButtonExclusive"><b>setRadioButtonExclusive</b></a> ( bool )</li>
+<li class=fn>int <a href="#insert"><b>insert</b></a> ( TQButton&nbsp;*&nbsp;button, int&nbsp;id = -1 )</li>
+<li class=fn>void <a href="#remove"><b>remove</b></a> ( TQButton&nbsp;*&nbsp;button )</li>
+<li class=fn>TQButton * <a href="#find"><b>find</b></a> ( int&nbsp;id ) const</li>
+<li class=fn>int <a href="#id"><b>id</b></a> ( TQButton&nbsp;*&nbsp;button ) const</li>
+<li class=fn>int <a href="#count"><b>count</b></a> () const</li>
+<li class=fn>virtual void <a href="#setButton"><b>setButton</b></a> ( int&nbsp;id )</li>
+<li class=fn>virtual void <a href="#moveFocus"><b>moveFocus</b></a> ( int&nbsp;key )</li>
+<li class=fn>TQButton * <a href="#selected"><b>selected</b></a> () const</li>
+<li class=fn>int <a href="#selectedId"><b>selectedId</b></a> () const</li>
+</ul>
+<h2>Signals</h2>
+<ul>
+<li class=fn>void <a href="#pressed"><b>pressed</b></a> ( int&nbsp;id )</li>
+<li class=fn>void <a href="#released"><b>released</b></a> ( int&nbsp;id )</li>
+<li class=fn>void <a href="#clicked"><b>clicked</b></a> ( int&nbsp;id )</li>
+</ul>
+<h2>Properties</h2>
+<ul>
+<li class=fn>bool <a href="#exclusive-prop"><b>exclusive</b></a>&nbsp;- whether the button group is exclusive</li>
+<li class=fn>bool <a href="#radioButtonExclusive-prop"><b>radioButtonExclusive</b></a>&nbsp;- whether the radio buttons in the group are exclusive</li>
+<li class=fn>int <a href="#selectedId-prop"><b>selectedId</b></a>&nbsp;- the selected toggle button</li>
+</ul>
+<hr><a name="details"></a><h2>Detailed Description</h2>
+
+
+The TQButtonGroup widget organizes <a href="ntqbutton.html">TQButton</a> widgets in a group.
+<p>
+
+
+
+<p> A button group widget makes it easier to deal with groups of
+buttons. Each button in a button group has a unique identifier.
+The button group emits a <a href="#clicked">clicked</a>() signal with this identifier
+when a button in the group is clicked. This makes a button group
+particularly useful when you have several similar buttons and want
+to connect all their clicked() signals to a single slot.
+<p> An <a href="#setExclusive">exclusive</a> button group switches
+off all toggle buttons except the one that was clicked. A button
+group is, by default, non-exclusive. Note that all radio buttons
+that are inserted into a button group are mutually exclusive even
+if the button group is non-exclusive. (See
+<a href="#setRadioButtonExclusive">setRadioButtonExclusive</a>().)
+<p> There are two ways of using a button group:
+<ul>
+<li> The button group is the parent widget of a number of buttons,
+i.e. the button group is the parent argument in the button
+constructor. The buttons are assigned identifiers 0, 1, 2, etc.,
+in the order they are created. A TQButtonGroup can display a frame
+and a title because it inherits <a href="ntqgroupbox.html">TQGroupBox</a>.
+<li> The button group is an invisible widget and the contained
+buttons have some other parent widget. In this usage, each button
+must be manually inserted, using <a href="#insert">insert</a>(), into the button group
+and given an identifier.
+</ul>
+<p> A button can be removed from the group with <a href="#remove">remove</a>(). A pointer to
+a button with a given id can be obtained using <a href="#find">find</a>(). The id of a
+button is available using <a href="#id">id</a>(). A button can be set <em>on</em> with
+<a href="#setButton">setButton</a>(). The number of buttons in the group is returned by
+<a href="#count">count</a>().
+<p> <img src=qbttngrp-m.png> <img src=qbttngrp-w.png>
+<p> <p>See also <a href="ntqpushbutton.html">TQPushButton</a>, <a href="ntqcheckbox.html">TQCheckBox</a>, <a href="ntqradiobutton.html">TQRadioButton</a>, <a href="appearance.html">Widget Appearance and Style</a>, <a href="geomanagement.html">Layout Management</a>, and <a href="organizers.html">Organizers</a>.
+
+<hr><h2>Member Function Documentation</h2>
+<h3 class=fn><a name="TQButtonGroup"></a>TQButtonGroup::TQButtonGroup ( <a href="ntqwidget.html">TQWidget</a>&nbsp;*&nbsp;parent = 0, const&nbsp;char&nbsp;*&nbsp;name = 0 )
+</h3>
+Constructs a button group with no title.
+<p> The <em>parent</em> and <em>name</em> arguments are passed to the <a href="ntqwidget.html">TQWidget</a>
+constructor.
+
+<h3 class=fn><a name="TQButtonGroup-2"></a>TQButtonGroup::TQButtonGroup ( const&nbsp;<a href="ntqstring.html">TQString</a>&nbsp;&amp;&nbsp;title, <a href="ntqwidget.html">TQWidget</a>&nbsp;*&nbsp;parent = 0, const&nbsp;char&nbsp;*&nbsp;name = 0 )
+</h3>
+Constructs a button group with the title <em>title</em>.
+<p> The <em>parent</em> and <em>name</em> arguments are passed to the <a href="ntqwidget.html">TQWidget</a>
+constructor.
+
+<h3 class=fn><a name="TQButtonGroup-3"></a>TQButtonGroup::TQButtonGroup ( int&nbsp;strips, <a href="ntqt.html#Orientation-enum">Orientation</a>&nbsp;orientation, <a href="ntqwidget.html">TQWidget</a>&nbsp;*&nbsp;parent = 0, const&nbsp;char&nbsp;*&nbsp;name = 0 )
+</h3>
+Constructs a button group with no title. Child widgets will be
+arranged in <em>strips</em> rows or columns (depending on <em>orientation</em>).
+<p> The <em>parent</em> and <em>name</em> arguments are passed to the <a href="ntqwidget.html">TQWidget</a>
+constructor.
+
+<h3 class=fn><a name="TQButtonGroup-4"></a>TQButtonGroup::TQButtonGroup ( int&nbsp;strips, <a href="ntqt.html#Orientation-enum">Orientation</a>&nbsp;orientation, const&nbsp;<a href="ntqstring.html">TQString</a>&nbsp;&amp;&nbsp;title, <a href="ntqwidget.html">TQWidget</a>&nbsp;*&nbsp;parent = 0, const&nbsp;char&nbsp;*&nbsp;name = 0 )
+</h3>
+Constructs a button group with title <em>title</em>. Child widgets will
+be arranged in <em>strips</em> rows or columns (depending on <em>orientation</em>).
+<p> The <em>parent</em> and <em>name</em> arguments are passed to the <a href="ntqwidget.html">TQWidget</a>
+constructor.
+
+<h3 class=fn>void <a name="clicked"></a>TQButtonGroup::clicked ( int&nbsp;id )<tt> [signal]</tt>
+</h3>
+
+<p> This signal is emitted when a button in the group is <a href="ntqbutton.html#clicked">clicked</a>. The <em>id</em> argument is the
+button's identifier.
+<p> <p>See also <a href="#insert">insert</a>().
+
+<p>Examples: <a href="drawdemo-example.html#x1062">drawdemo/drawdemo.cpp</a> and <a href="xform-example.html#x1221">xform/xform.cpp</a>.
+<h3 class=fn>int <a name="count"></a>TQButtonGroup::count () const
+</h3>
+Returns the number of buttons in the group.
+
+<h3 class=fn><a href="ntqbutton.html">TQButton</a>&nbsp;* <a name="find"></a>TQButtonGroup::find ( int&nbsp;id ) const
+</h3>
+Returns the button with the specified identifier <em>id</em>, or 0 if
+the button was not found.
+
+<h3 class=fn>int <a name="id"></a>TQButtonGroup::id ( <a href="ntqbutton.html">TQButton</a>&nbsp;*&nbsp;button ) const
+</h3>
+Returns the id of <em>button</em>, or -1 if <em>button</em> is not a member of
+this group.
+<p> <p>See also <a href="#selectedId-prop">selectedId</a>.
+
+<h3 class=fn>int <a name="insert"></a>TQButtonGroup::insert ( <a href="ntqbutton.html">TQButton</a>&nbsp;*&nbsp;button, int&nbsp;id = -1 )
+</h3>
+Inserts the <em>button</em> with the identifier <em>id</em> into the button
+group. Returns the button identifier.
+<p> Buttons are normally inserted into a button group automatically by
+passing the button group as the parent when the button is
+constructed. So it is not necessary to manually insert buttons
+that have this button group as their parent widget. An exception
+is when you want custom identifiers instead of the default 0, 1,
+2, etc., or if you want the buttons to have some other parent.
+<p> The button is assigned the identifier <em>id</em> or an automatically
+generated identifier. It works as follows: If <em>id</em> >= 0, this
+identifier is assigned. If <em>id</em> == -1 (default), the identifier
+is equal to the number of buttons in the group. If <em>id</em> is any
+other negative integer, for instance -2, a unique identifier
+(negative integer &lt;= -2) is generated. No button has an id of -1.
+<p> <p>See also <a href="#find">find</a>(), <a href="#remove">remove</a>(), and <a href="#exclusive-prop">exclusive</a>.
+
+<p>Examples: <a href="listbox-example.html#x1428">listbox/listbox.cpp</a> and <a href="xform-example.html#x1222">xform/xform.cpp</a>.
+<h3 class=fn>bool <a name="isExclusive"></a>TQButtonGroup::isExclusive () const
+</h3><p>Returns TRUE if the button group is exclusive; otherwise returns FALSE.
+See the <a href="ntqbuttongroup.html#exclusive-prop">"exclusive"</a> property for details.
+<h3 class=fn>bool <a name="isRadioButtonExclusive"></a>TQButtonGroup::isRadioButtonExclusive () const
+</h3><p>Returns TRUE if the radio buttons in the group are exclusive; otherwise returns FALSE.
+See the <a href="ntqbuttongroup.html#radioButtonExclusive-prop">"radioButtonExclusive"</a> property for details.
+<h3 class=fn>void <a name="moveFocus"></a>TQButtonGroup::moveFocus ( int&nbsp;key )<tt> [virtual]</tt>
+</h3>
+Moves the <a href="focus.html#keyboard-focus">keyboard focus</a> according to <em>key</em>, and if appropriate
+checks the new focus item.
+<p> This function does nothing unless the keyboard focus points to one
+of the button group members and <em>key</em> is one of <a href="ntqt.html#Key-enum">Key_Up</a>, <a href="ntqt.html#Key-enum">Key_Down</a>, <a href="ntqt.html#Key-enum">Key_Left</a> and <a href="ntqt.html#Key-enum">Key_Right</a>.
+
+<h3 class=fn>void <a name="pressed"></a>TQButtonGroup::pressed ( int&nbsp;id )<tt> [signal]</tt>
+</h3>
+
+<p> This signal is emitted when a button in the group is <a href="ntqbutton.html#pressed">pressed</a>. The <em>id</em> argument is the
+button's identifier.
+<p> <p>See also <a href="#insert">insert</a>().
+
+<h3 class=fn>void <a name="released"></a>TQButtonGroup::released ( int&nbsp;id )<tt> [signal]</tt>
+</h3>
+
+<p> This signal is emitted when a button in the group is <a href="ntqbutton.html#released">released</a>. The <em>id</em> argument is the
+button's identifier.
+<p> <p>See also <a href="#insert">insert</a>().
+
+<h3 class=fn>void <a name="remove"></a>TQButtonGroup::remove ( <a href="ntqbutton.html">TQButton</a>&nbsp;*&nbsp;button )
+</h3>
+Removes the <em>button</em> from the button group.
+<p> <p>See also <a href="#insert">insert</a>().
+
+<h3 class=fn><a href="ntqbutton.html">TQButton</a>&nbsp;* <a name="selected"></a>TQButtonGroup::selected () const
+</h3>
+Returns the selected toggle button if exactly one is selected;
+otherwise returns 0.
+<p> <p>See also <a href="#selectedId-prop">selectedId</a>.
+
+<h3 class=fn>int <a name="selectedId"></a>TQButtonGroup::selectedId () const
+</h3><p>Returns the selected toggle button.
+See the <a href="ntqbuttongroup.html#selectedId-prop">"selectedId"</a> property for details.
+<h3 class=fn>void <a name="setButton"></a>TQButtonGroup::setButton ( int&nbsp;id )<tt> [virtual]</tt>
+</h3><p>Sets the selected toggle button to <em>id</em>.
+See the <a href="ntqbuttongroup.html#selectedId-prop">"selectedId"</a> property for details.
+<h3 class=fn>void <a name="setExclusive"></a>TQButtonGroup::setExclusive ( bool )<tt> [virtual]</tt>
+</h3><p>Sets whether the button group is exclusive.
+See the <a href="ntqbuttongroup.html#exclusive-prop">"exclusive"</a> property for details.
+<h3 class=fn>void <a name="setRadioButtonExclusive"></a>TQButtonGroup::setRadioButtonExclusive ( bool )<tt> [virtual]</tt>
+</h3><p>Sets whether the radio buttons in the group are exclusive.
+See the <a href="ntqbuttongroup.html#radioButtonExclusive-prop">"radioButtonExclusive"</a> property for details.
+<hr><h2>Property Documentation</h2>
+<h3 class=fn>bool <a name="exclusive-prop"></a>exclusive</h3>
+<p>This property holds whether the button group is exclusive.
+<p>If this property is TRUE, then the buttons in the group are
+toggled, and to untoggle a button you must click on another button
+in the group. The default value is FALSE.
+
+<p>Set this property's value with <a href="#setExclusive">setExclusive</a>() and get this property's value with <a href="#isExclusive">isExclusive</a>().
+<h3 class=fn>bool <a name="radioButtonExclusive-prop"></a>radioButtonExclusive</h3>
+<p>This property holds whether the radio buttons in the group are exclusive.
+<p>If this property is TRUE (the default), the <a href="ntqradiobutton.html">radiobuttons</a> in the group are treated exclusively.
+
+<p>Set this property's value with <a href="#setRadioButtonExclusive">setRadioButtonExclusive</a>() and get this property's value with <a href="#isRadioButtonExclusive">isRadioButtonExclusive</a>().
+<h3 class=fn>int <a name="selectedId-prop"></a>selectedId</h3>
+<p>This property holds the selected toggle button.
+<p>The toggle button is specified as an ID.
+<p> If no toggle button is selected, this property holds -1.
+<p> If <a href="#setButton">setButton</a>() is called on an exclusive group, the button with
+the given id will be set to on and all the others will be set to
+off.
+<p> <p>See also <a href="#selected">selected</a>().
+
+<p>Set this property's value with <a href="#setButton">setButton</a>() and get this property's value with <a href="#selectedId">selectedId</a>().
+<!-- eof -->
+<hr><p>
+This file is part of the <a href="index.html">TQt toolkit</a>.
+Copyright &copy; 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 &copy; 2007
+<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
+<td align=right><div align=right>TQt 3.3.8</div>
+</table></div></address></body>
+</html>