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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>QColorGroup Class Reference</h1>
<p>The QColorGroup class contains a group of widget colors.
<a href="#details">More...</a>
<p><tt>#include &lt;<a href="qpalette-h.html">qpalette.h</a>&gt;</tt>
<p><a href="qcolorgroup-members.html">List of all member functions.</a>
<h2>Public Members</h2>
<ul>
<li class=fn><a href="#QColorGroup"><b>QColorGroup</b></a> ()</li>
<li class=fn>QColorGroup ( const&nbsp;QColor&nbsp;&amp;&nbsp;foreground, const&nbsp;QColor&nbsp;&amp;&nbsp;background, const&nbsp;QColor&nbsp;&amp;&nbsp;light, const&nbsp;QColor&nbsp;&amp;&nbsp;dark, const&nbsp;QColor&nbsp;&amp;&nbsp;mid, const&nbsp;QColor&nbsp;&amp;&nbsp;text, const&nbsp;QColor&nbsp;&amp;&nbsp;base ) &nbsp;<em>(obsolete)</em></li>
<li class=fn><a href="#QColorGroup-3"><b>QColorGroup</b></a> ( const&nbsp;QBrush&nbsp;&amp;&nbsp;foreground, const&nbsp;QBrush&nbsp;&amp;&nbsp;button, const&nbsp;QBrush&nbsp;&amp;&nbsp;light, const&nbsp;QBrush&nbsp;&amp;&nbsp;dark, const&nbsp;QBrush&nbsp;&amp;&nbsp;mid, const&nbsp;QBrush&nbsp;&amp;&nbsp;text, const&nbsp;QBrush&nbsp;&amp;&nbsp;bright_text, const&nbsp;QBrush&nbsp;&amp;&nbsp;base, const&nbsp;QBrush&nbsp;&amp;&nbsp;background )</li>
<li class=fn><a href="#QColorGroup-4"><b>QColorGroup</b></a> ( const&nbsp;QColorGroup&nbsp;&amp;&nbsp;other )</li>
<li class=fn><a href="#~QColorGroup"><b>~QColorGroup</b></a> ()</li>
<li class=fn>QColorGroup &amp; <a href="#operator-eq"><b>operator=</b></a> ( const&nbsp;QColorGroup&nbsp;&amp;&nbsp;other )</li>
<li class=fn>enum <a href="#ColorRole-enum"><b>ColorRole</b></a> { Foreground, Button, Light, Midlight, Dark, Mid, Text, BrightText, ButtonText, Base, Background, Shadow, Highlight, HighlightedText, Link, LinkVisited, NColorRoles }</li>
<li class=fn>const QColor &amp; <a href="#color"><b>color</b></a> ( ColorRole&nbsp;r ) const</li>
<li class=fn>const QBrush &amp; <a href="#brush"><b>brush</b></a> ( ColorRole&nbsp;r ) const</li>
<li class=fn>void <a href="#setColor"><b>setColor</b></a> ( ColorRole&nbsp;r, const&nbsp;QColor&nbsp;&amp;&nbsp;c )</li>
<li class=fn>void <a href="#setBrush"><b>setBrush</b></a> ( ColorRole&nbsp;r, const&nbsp;QBrush&nbsp;&amp;&nbsp;b )</li>
<li class=fn>const QColor &amp; <a href="#foreground"><b>foreground</b></a> () const</li>
<li class=fn>const QColor &amp; <a href="#button"><b>button</b></a> () const</li>
<li class=fn>const QColor &amp; <a href="#light"><b>light</b></a> () const</li>
<li class=fn>const QColor &amp; <a href="#dark"><b>dark</b></a> () const</li>
<li class=fn>const QColor &amp; <a href="#mid"><b>mid</b></a> () const</li>
<li class=fn>const QColor &amp; <a href="#text"><b>text</b></a> () const</li>
<li class=fn>const QColor &amp; <a href="#base"><b>base</b></a> () const</li>
<li class=fn>const QColor &amp; <a href="#background"><b>background</b></a> () const</li>
<li class=fn>const QColor &amp; <a href="#midlight"><b>midlight</b></a> () const</li>
<li class=fn>const QColor &amp; <a href="#brightText"><b>brightText</b></a> () const</li>
<li class=fn>const QColor &amp; <a href="#buttonText"><b>buttonText</b></a> () const</li>
<li class=fn>const QColor &amp; <a href="#shadow"><b>shadow</b></a> () const</li>
<li class=fn>const QColor &amp; <a href="#highlight"><b>highlight</b></a> () const</li>
<li class=fn>const QColor &amp; <a href="#highlightedText"><b>highlightedText</b></a> () const</li>
<li class=fn>const QColor &amp; <a href="#link"><b>link</b></a> () const</li>
<li class=fn>const QColor &amp; <a href="#linkVisited"><b>linkVisited</b></a> () const</li>
<li class=fn>bool <a href="#operator-eq-eq"><b>operator==</b></a> ( const&nbsp;QColorGroup&nbsp;&amp;&nbsp;g ) const</li>
<li class=fn>bool <a href="#operator!-eq"><b>operator!=</b></a> ( const&nbsp;QColorGroup&nbsp;&amp;&nbsp;g ) const</li>
</ul>
<h2>Related Functions</h2>
<ul>
<li class=fn>QDataStream &amp; <a href="#operator-lt-lt"><b>operator&lt;&lt;</b></a> ( QDataStream&nbsp;&amp;&nbsp;s, const&nbsp;QColorGroup&nbsp;&amp;&nbsp;g )</li>
</ul>
<hr><a name="details"></a><h2>Detailed Description</h2>
The QColorGroup class contains a group of widget colors.
<p>
<p> A color group contains a group of colors used by widgets for
drawing themselves. We recommend that widgets use color group
roles such as "foreground" and "base" rather than literal colors
like "red" or "turquoise". The color roles are enumerated and
defined in the <a href="#ColorRole-enum">ColorRole</a> documentation.
<p> The most common use of QColorGroup is like this:
<p> <pre>
<a href="qpainter.html">QPainter</a> p;
...
p.<a href="qpainter.html#setPen">setPen</a>( colorGroup().foreground() );
p.<a href="qpainter.html#drawLine">drawLine</a>( ... )
</pre>
<p> It is also possible to modify color groups or create new color
groups from scratch.
<p> The color group class can be created using three different
constructors or by modifying one supplied by Qt. The default
constructor creates an all-black color group, which can then be
modified using set functions; there's also a constructor for
specifying all the color group colors. And there is also a copy
constructor.
<p> We strongly recommend using a system-supplied color group and
modifying that as necessary.
<p> You modify a color group by calling the access functions
<a href="#setColor">setColor</a>() and <a href="#setBrush">setBrush</a>(), depending on whether you want a pure
color or a pixmap pattern.
<p> There are also corresponding <a href="#color">color</a>() and <a href="#brush">brush</a>() getters, and a
commonly used convenience function to get each ColorRole:
<a href="#background">background</a>(), <a href="#foreground">foreground</a>(), <a href="#base">base</a>(), etc.
<p> <p>See also <a href="qcolor.html">QColor</a>, <a href="qpalette.html">QPalette</a>, <a href="qwidget.html#colorGroup-prop">QWidget::colorGroup</a>, <a href="appearance.html">Widget Appearance and Style</a>, <a href="graphics.html">Graphics Classes</a>, and <a href="images.html">Image Processing Classes</a>.
<hr><h2>Member Type Documentation</h2>
<h3 class=fn><a name="ColorRole-enum"></a>QColorGroup::ColorRole</h3>
<p> The ColorRole enum defines the different symbolic color roles used
in current GUIs.
<p> The central roles are:
<ul>
<li><tt>QColorGroup::Background</tt> - general background color.
<li><tt>QColorGroup::Foreground</tt> - general foreground color.
<li><tt>QColorGroup::Base</tt> - used as background color for text entry widgets, for example;
usually white or another light color.
<li><tt>QColorGroup::Text</tt> - the foreground color used with <a href="#ColorRole-enum">Base</a>. Usually this
is the same as the <a href="#ColorRole-enum">Foreground</a>, in which case it must provide good
contrast with <a href="#ColorRole-enum">Background</a> and <a href="#ColorRole-enum">Base</a>.
<li><tt>QColorGroup::Button</tt> - general button background color in which buttons need a
background different from <a href="#ColorRole-enum">Background</a>, as in the Macintosh style.
<li><tt>QColorGroup::ButtonText</tt> - a foreground color used with the <a href="#ColorRole-enum">Button</a> color.
</ul><p> There are some color roles used mostly for 3D bevel and shadow
effects:
<ul>
<li><tt>QColorGroup::Light</tt> - lighter than <a href="#ColorRole-enum">Button</a> color.
<li><tt>QColorGroup::Midlight</tt> - between <a href="#ColorRole-enum">Button</a> and <a href="#ColorRole-enum">Light</a>.
<li><tt>QColorGroup::Dark</tt> - darker than <a href="#ColorRole-enum">Button</a>.
<li><tt>QColorGroup::Mid</tt> - between <a href="#ColorRole-enum">Button</a> and <a href="#ColorRole-enum">Dark</a>.
<li><tt>QColorGroup::Shadow</tt> - a very dark color.
By default, the shadow color is <tt>Qt::black</tt>.
</ul><p> All of these are normally derived from <a href="#ColorRole-enum">Background</a> and used in
ways that depend on that relationship. For example, buttons depend
on it to make the bevels look attractive, and <a href="motif-extension.html#Motif">Motif</a> scroll bars
depend on <a href="#ColorRole-enum">Mid</a> to be slightly different from <a href="#ColorRole-enum">Background</a>.
<p> Selected (marked) items have two roles:
<ul>
<li><tt>QColorGroup::Highlight</tt> - a color to indicate a selected item or the
current item. By default, the highlight color is <tt>Qt::darkBlue</tt>.
<li><tt>QColorGroup::HighlightedText</tt> - a text color that contrasts with <a href="#ColorRole-enum">Highlight</a>.
By default, the highlighted text color is <tt>Qt::white</tt>.
</ul><p> Finally, there is a special role for text that needs to be
drawn where <a href="#ColorRole-enum">Text</a> or <a href="#ColorRole-enum">Foreground</a> would give poor contrast,
such as on pressed push buttons:
<ul>
<li><tt>QColorGroup::BrightText</tt> - a text color that is very different from <a href="#ColorRole-enum">Foreground</a> and contrasts well with e.g. <a href="#ColorRole-enum">Dark</a>.
<li><tt>QColorGroup::Link</tt> - a text color used for unvisited hyperlinks.
By default, the link color is <tt>Qt::blue</tt>.
<li><tt>QColorGroup::LinkVisited</tt> - a text color used for already visited hyperlinks.
By default, the linkvisited color is <tt>Qt::magenta</tt>.
<li><tt>QColorGroup::NColorRoles</tt> - Internal.
</ul><p> Note that text colors can be used for things other than just
words; text colors are <em>usually</em> used for text, but it's quite
common to use the text color roles for lines, icons, etc.
<p> This image shows most of the color roles in use:
<center><img src="palette.png" alt="Color Roles"></center>
<hr><h2>Member Function Documentation</h2>
<h3 class=fn><a name="QColorGroup"></a>QColorGroup::QColorGroup ()
</h3>
Constructs a color group with all colors set to black.
<h3 class=fn><a name="QColorGroup-2"></a>QColorGroup::QColorGroup ( const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp;&nbsp;foreground, const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp;&nbsp;background, const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp;&nbsp;light, const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp;&nbsp;dark, const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp;&nbsp;mid, const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp;&nbsp;text, const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp;&nbsp;base )
</h3><b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
<p> Constructs a color group with the specified colors. The button
color will be set to the background color.
<h3 class=fn><a name="QColorGroup-3"></a>QColorGroup::QColorGroup ( const&nbsp;<a href="qbrush.html">QBrush</a>&nbsp;&amp;&nbsp;foreground, const&nbsp;<a href="qbrush.html">QBrush</a>&nbsp;&amp;&nbsp;button, const&nbsp;<a href="qbrush.html">QBrush</a>&nbsp;&amp;&nbsp;light, const&nbsp;<a href="qbrush.html">QBrush</a>&nbsp;&amp;&nbsp;dark, const&nbsp;<a href="qbrush.html">QBrush</a>&nbsp;&amp;&nbsp;mid, const&nbsp;<a href="qbrush.html">QBrush</a>&nbsp;&amp;&nbsp;text, const&nbsp;<a href="qbrush.html">QBrush</a>&nbsp;&amp;&nbsp;bright_text, const&nbsp;<a href="qbrush.html">QBrush</a>&nbsp;&amp;&nbsp;base, const&nbsp;<a href="qbrush.html">QBrush</a>&nbsp;&amp;&nbsp;background )
</h3>
Constructs a color group. You can pass either brushes, pixmaps or
plain colors for <em>foreground</em>, <em>button</em>, <em>light</em>, <em>dark</em>, <em>mid</em>, <em>text</em>, <em>bright_text</em>, <em>base</em> and <em>background</em>.
<p> <p>See also <a href="qbrush.html">QBrush</a>.
<h3 class=fn><a name="QColorGroup-4"></a>QColorGroup::QColorGroup ( const&nbsp;<a href="qcolorgroup.html">QColorGroup</a>&nbsp;&amp;&nbsp;other )
</h3>
Constructs a color group that is an independent copy of <em>other</em>.
<h3 class=fn><a name="~QColorGroup"></a>QColorGroup::~QColorGroup ()
</h3>
Destroys the color group.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="background"></a>QColorGroup::background () const
</h3>
<p> Returns the background color of the color group.
<p> <p>See also <a href="#ColorRole-enum">ColorRole</a>.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="base"></a>QColorGroup::base () const
</h3>
<p> Returns the base color of the color group.
<p> <p>See also <a href="#ColorRole-enum">ColorRole</a>.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="brightText"></a>QColorGroup::brightText () const
</h3>
<p> Returns the bright text foreground color of the color group.
<p> <p>See also <a href="#ColorRole-enum">ColorRole</a>.
<p>Examples: <a href="themes-example.html#x273">themes/metal.cpp</a> and <a href="themes-example.html#x194">themes/wood.cpp</a>.
<h3 class=fn>const&nbsp;<a href="qbrush.html">QBrush</a>&nbsp;&amp; <a name="brush"></a>QColorGroup::brush ( <a href="qcolorgroup.html#ColorRole-enum">ColorRole</a>&nbsp;r ) const
</h3>
Returns the brush that has been set for color role <em>r</em>.
<p> <p>See also <a href="#color">color</a>(), <a href="#setBrush">setBrush</a>(), and <a href="#ColorRole-enum">ColorRole</a>.
<p>Examples: <a href="themes-example.html#x274">themes/metal.cpp</a> and <a href="themes-example.html#x195">themes/wood.cpp</a>.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="button"></a>QColorGroup::button () const
</h3>
<p> Returns the button color of the color group.
<p> <p>See also <a href="#ColorRole-enum">ColorRole</a>.
<p>Examples: <a href="themes-example.html#x275">themes/metal.cpp</a> and <a href="themes-example.html#x196">themes/wood.cpp</a>.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="buttonText"></a>QColorGroup::buttonText () const
</h3>
<p> Returns the button text foreground color of the color group.
<p> <p>See also <a href="#ColorRole-enum">ColorRole</a>.
<p>Examples: <a href="themes-example.html#x276">themes/metal.cpp</a> and <a href="themes-example.html#x197">themes/wood.cpp</a>.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="color"></a>QColorGroup::color ( <a href="qcolorgroup.html#ColorRole-enum">ColorRole</a>&nbsp;r ) const
</h3>
Returns the color that has been set for color role <em>r</em>.
<p> <p>See also <a href="#brush">brush</a>() and <a href="#ColorRole-enum">ColorRole</a>.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="dark"></a>QColorGroup::dark () const
</h3>
<p> Returns the dark color of the color group.
<p> <p>See also <a href="#ColorRole-enum">ColorRole</a>.
<p>Example: <a href="themes-example.html#x198">themes/wood.cpp</a>.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="foreground"></a>QColorGroup::foreground () const
</h3>
<p> Returns the foreground color of the color group.
<p> <p>See also <a href="#ColorRole-enum">ColorRole</a>.
<p>Examples: <a href="themes-example.html#x277">themes/metal.cpp</a> and <a href="themes-example.html#x199">themes/wood.cpp</a>.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="highlight"></a>QColorGroup::highlight () const
</h3>
<p> Returns the highlight color of the color group.
<p> <p>See also <a href="#ColorRole-enum">ColorRole</a>.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="highlightedText"></a>QColorGroup::highlightedText () const
</h3>
<p> Returns the highlighted text color of the color group.
<p> <p>See also <a href="#ColorRole-enum">ColorRole</a>.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="light"></a>QColorGroup::light () const
</h3>
<p> Returns the light color of the color group.
<p> <p>See also <a href="#ColorRole-enum">ColorRole</a>.
<p>Example: <a href="themes-example.html#x200">themes/wood.cpp</a>.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="link"></a>QColorGroup::link () const
</h3>
<p> Returns the unvisited link text color of the color group.
<p> <p>See also <a href="#ColorRole-enum">ColorRole</a>.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="linkVisited"></a>QColorGroup::linkVisited () const
</h3>
<p> Returns the visited link text color of the color group.
<p> <p>See also <a href="#ColorRole-enum">ColorRole</a>.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="mid"></a>QColorGroup::mid () const
</h3>
<p> Returns the mid color of the color group.
<p> <p>See also <a href="#ColorRole-enum">ColorRole</a>.
<p>Examples: <a href="themes-example.html#x278">themes/metal.cpp</a> and <a href="themes-example.html#x201">themes/wood.cpp</a>.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="midlight"></a>QColorGroup::midlight () const
</h3>
<p> Returns the midlight color of the color group.
<p> <p>See also <a href="#ColorRole-enum">ColorRole</a>.
<h3 class=fn>bool <a name="operator!-eq"></a>QColorGroup::operator!= ( const&nbsp;<a href="qcolorgroup.html">QColorGroup</a>&nbsp;&amp;&nbsp;g ) const
</h3>
<p> Returns TRUE if this color group is different from <em>g</em>; otherwise
returns FALSE.
<p> <p>See also
<h3 class=fn><a href="qcolorgroup.html">QColorGroup</a>&nbsp;&amp; <a name="operator-eq"></a>QColorGroup::operator= ( const&nbsp;<a href="qcolorgroup.html">QColorGroup</a>&nbsp;&amp;&nbsp;other )
</h3>
Copies the colors of <em>other</em> to this color group.
<h3 class=fn>bool <a name="operator-eq-eq"></a>QColorGroup::operator== ( const&nbsp;<a href="qcolorgroup.html">QColorGroup</a>&nbsp;&amp;&nbsp;g ) const
</h3>
Returns TRUE if this color group is equal to <em>g</em>; otherwise
returns FALSE.
<p> <p>See also
<h3 class=fn>void <a name="setBrush"></a>QColorGroup::setBrush ( <a href="qcolorgroup.html#ColorRole-enum">ColorRole</a>&nbsp;r, const&nbsp;<a href="qbrush.html">QBrush</a>&nbsp;&amp;&nbsp;b )
</h3>
Sets the brush used for color role <em>r</em> to <em>b</em>.
<p> <p>See also <a href="#brush">brush</a>(), <a href="#setColor">setColor</a>(), and <a href="#ColorRole-enum">ColorRole</a>.
<p>Example: <a href="themes-example.html#x202">themes/wood.cpp</a>.
<h3 class=fn>void <a name="setColor"></a>QColorGroup::setColor ( <a href="qcolorgroup.html#ColorRole-enum">ColorRole</a>&nbsp;r, const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp;&nbsp;c )
</h3>
Sets the brush used for color role <em>r</em> to a solid color <em>c</em>.
<p> <p>See also <a href="#brush">brush</a>() and <a href="#ColorRole-enum">ColorRole</a>.
<p>Examples: <a href="listviews-example.html#x134">listviews/listviews.cpp</a>, <a href="statistics-example.html#x2779">table/statistics/statistics.cpp</a>, and <a href="themes-example.html#x279">themes/metal.cpp</a>.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="shadow"></a>QColorGroup::shadow () const
</h3>
<p> Returns the shadow color of the color group.
<p> <p>See also <a href="#ColorRole-enum">ColorRole</a>.
<h3 class=fn>const&nbsp;<a href="qcolor.html">QColor</a>&nbsp;&amp; <a name="text"></a>QColorGroup::text () const
</h3>
<p> Returns the text foreground color of the color group.
<p> <p>See also <a href="#ColorRole-enum">ColorRole</a>.
<p>Example: <a href="listviews-example.html#x135">listviews/listviews.cpp</a>.
<hr><h2>Related Functions</h2>
<h3 class=fn><a href="qdatastream.html">QDataStream</a>&nbsp;&amp; <a name="operator-lt-lt"></a>operator&lt;&lt; ( <a href="qdatastream.html">QDataStream</a>&nbsp;&amp;&nbsp;s, const&nbsp;<a href="qcolorgroup.html">QColorGroup</a>&nbsp;&amp;&nbsp;g )
</h3>
<p> Writes color group, <em>g</em> to the stream <em>s</em>.
<p> <p>See also <a href="datastreamformat.html">Format of the QDataStream operators</a>.
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