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| 32 | <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QPalette Class Reference</h1>
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| 33 |
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| 34 | <p>The QPalette class contains color groups for each widget state.
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| 35 | <a href="#details">More...</a>
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| 36 | <p><tt>#include <<a href="qpalette-h.html">qpalette.h</a>></tt>
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| 37 | <p><a href="qpalette-members.html">List of all member functions.</a>
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| 38 | <h2>Public Members</h2>
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| 39 | <ul>
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| 40 | <li class=fn><a href="#QPalette"><b>QPalette</b></a> ()</li>
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| 41 | <li class=fn>QPalette ( const QColor & button ) <em>(obsolete)</em></li>
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| 42 | <li class=fn><a href="#QPalette-3"><b>QPalette</b></a> ( const QColor & button, const QColor & background )</li>
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| 43 | <li class=fn><a href="#QPalette-4"><b>QPalette</b></a> ( const QColorGroup & active, const QColorGroup & disabled, const QColorGroup & inactive )</li>
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| 44 | <li class=fn><a href="#QPalette-5"><b>QPalette</b></a> ( const QPalette & p )</li>
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| 45 | <li class=fn><a href="#~QPalette"><b>~QPalette</b></a> ()</li>
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| 46 | <li class=fn>QPalette & <a href="#operator-eq"><b>operator=</b></a> ( const QPalette & p )</li>
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| 47 | <li class=fn>enum <a href="#ColorGroup-enum"><b>ColorGroup</b></a> { Disabled, Active, Inactive, NColorGroups, Normal = Active }</li>
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| 48 | <li class=fn>const QColor & <a href="#color"><b>color</b></a> ( ColorGroup gr, QColorGroup::ColorRole r ) const</li>
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| 49 | <li class=fn>const QBrush & <a href="#brush"><b>brush</b></a> ( ColorGroup gr, QColorGroup::ColorRole r ) const</li>
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| 50 | <li class=fn>void <a href="#setColor"><b>setColor</b></a> ( ColorGroup gr, QColorGroup::ColorRole r, const QColor & c )</li>
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| 51 | <li class=fn>void <a href="#setBrush"><b>setBrush</b></a> ( ColorGroup gr, QColorGroup::ColorRole r, const QBrush & b )</li>
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| 52 | <li class=fn>void <a href="#setColor-2"><b>setColor</b></a> ( QColorGroup::ColorRole r, const QColor & c )</li>
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| 53 | <li class=fn>void <a href="#setBrush-2"><b>setBrush</b></a> ( QColorGroup::ColorRole r, const QBrush & b )</li>
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| 54 | <li class=fn>QPalette <a href="#copy"><b>copy</b></a> () const</li>
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| 55 | <li class=fn>const QColorGroup & <a href="#active"><b>active</b></a> () const</li>
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| 56 | <li class=fn>const QColorGroup & <a href="#disabled"><b>disabled</b></a> () const</li>
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| 57 | <li class=fn>const QColorGroup & <a href="#inactive"><b>inactive</b></a> () const</li>
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| 58 | <li class=fn>const QColorGroup & normal () const <em>(obsolete)</em></li>
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| 59 | <li class=fn>void <a href="#setActive"><b>setActive</b></a> ( const QColorGroup & g )</li>
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| 60 | <li class=fn>void <a href="#setDisabled"><b>setDisabled</b></a> ( const QColorGroup & g )</li>
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| 61 | <li class=fn>void <a href="#setInactive"><b>setInactive</b></a> ( const QColorGroup & g )</li>
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| 62 | <li class=fn>void setNormal ( const QColorGroup & cg ) <em>(obsolete)</em></li>
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| 63 | <li class=fn>bool <a href="#operator-eq-eq"><b>operator==</b></a> ( const QPalette & p ) const</li>
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| 64 | <li class=fn>bool <a href="#operator!-eq"><b>operator!=</b></a> ( const QPalette & p ) const</li>
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| 65 | <li class=fn>bool <a href="#isCopyOf"><b>isCopyOf</b></a> ( const QPalette & p )</li>
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| 66 | <li class=fn>int <a href="#serialNumber"><b>serialNumber</b></a> () const</li>
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| 67 | </ul>
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| 68 | <h2>Related Functions</h2>
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| 69 | <ul>
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| 70 | <li class=fn>QDataStream & <a href="#operator-lt-lt"><b>operator<<</b></a> ( QDataStream & s, const QPalette & p )</li>
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| 71 | <li class=fn>QDataStream & <a href="#operator-gt-gt"><b>operator>></b></a> ( QDataStream & s, QPalette & p )</li>
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| 72 | </ul>
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| 73 | <hr><a name="details"></a><h2>Detailed Description</h2>
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| 74 |
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| 75 |
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| 76 | <p> The QPalette class contains color groups for each widget state.
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| 77 | <p>
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| 78 |
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| 79 |
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| 80 |
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| 81 |
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| 82 | <p> A palette consists of three color groups: <em>active</em>, <em>disabled</em>,
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| 83 | and <em>inactive</em>. All widgets contain a palette, and all widgets in
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| 84 | Qt use their palette to draw themselves. This makes the user
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| 85 | interface easily configurable and easier to keep consistent.
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| 86 | <p> If you create a new widget we strongly recommend that you use the
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| 87 | colors in the palette rather than hard-coding specific colors.
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| 88 | <p> The color groups:
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| 89 | <ul>
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| 90 | <li> The <a href="#active">active</a>() group is used for the window that has <a href="focus.html#keyboard-focus">keyboard focus</a>.
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| 91 | <li> The <a href="#inactive">inactive</a>() group is used for other windows.
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| 92 | <li> The <a href="#disabled">disabled</a>() group is used for widgets (not windows) that are
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| 93 | disabled for some reason.
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| 94 | </ul>
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| 95 | <p> Both active and inactive windows can contain disabled widgets.
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| 96 | (Disabled widgets are often called <em>inaccessible</em> or <em>grayed out</em>.)
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| 97 | <p> In <a href="motif-extension.html#Motif">Motif</a> style, active() and inactive() look the same. In Windows
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| 98 | 2000 style and Macintosh Platinum style, the two styles look
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| 99 | slightly different.
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| 100 | <p> There are <a href="#setActive">setActive</a>(), <a href="#setInactive">setInactive</a>(), and <a href="#setDisabled">setDisabled</a>() functions
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| 101 | to modify the palette. (Qt also supports a <a href="#normal">normal</a>() group; this is
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| 102 | an obsolete alias for active(), supported for backwards
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| 103 | compatibility.)
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| 104 | <p> Colors and brushes can be set for particular roles in any of a
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| 105 | palette's color groups with <a href="#setColor">setColor</a>() and <a href="#setBrush">setBrush</a>().
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| 106 | <p> You can copy a palette using the copy constructor and test to see
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| 107 | if two palettes are <em>identical</em> using <a href="#isCopyOf">isCopyOf</a>().
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| 108 | <p> <p>See also <a href="qapplication.html#setPalette">QApplication::setPalette</a>(), <a href="qwidget.html#palette-prop">QWidget::palette</a>, <a href="qcolorgroup.html">QColorGroup</a>, <a href="qcolor.html">QColor</a>, <a href="appearance.html">Widget Appearance and Style</a>, <a href="graphics.html">Graphics Classes</a>, <a href="images.html">Image Processing Classes</a>, and <a href="shared.html">Implicitly and Explicitly Shared Classes</a>.
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| 109 |
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| 110 | <hr><h2>Member Type Documentation</h2>
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| 111 | <h3 class=fn><a name="ColorGroup-enum"></a>QPalette::ColorGroup</h3>
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| 112 |
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| 113 | <ul>
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| 114 | <li><tt>QPalette::Disabled</tt>
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| 115 | <li><tt>QPalette::Active</tt>
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| 116 | <li><tt>QPalette::Inactive</tt>
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| 117 | <li><tt>QPalette::NColorGroups</tt>
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| 118 | <li><tt>QPalette::Normal</tt> - synonym for Active
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| 119 | </ul>
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| 120 | <hr><h2>Member Function Documentation</h2>
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| 121 | <h3 class=fn><a name="QPalette"></a>QPalette::QPalette ()
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| 122 | </h3>
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| 123 | Constructs a palette that consists of color groups with only black
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| 124 | colors.
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| 125 |
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| 126 | <h3 class=fn><a name="QPalette-2"></a>QPalette::QPalette ( const <a href="qcolor.html">QColor</a> & button )
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| 127 | </h3><b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
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| 128 | <p> Constructs a palette from the <em>button</em> color. The other colors are
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| 129 | automatically calculated, based on this color. Background will be
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| 130 | the button color as well.
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| 131 |
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| 132 | <h3 class=fn><a name="QPalette-3"></a>QPalette::QPalette ( const <a href="qcolor.html">QColor</a> & button, const <a href="qcolor.html">QColor</a> & background )
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| 133 | </h3>
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| 134 | Constructs a palette from a <em>button</em> color and a <em>background</em>.
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| 135 | The other colors are automatically calculated, based on these
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| 136 | colors.
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| 137 |
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| 138 | <h3 class=fn><a name="QPalette-4"></a>QPalette::QPalette ( const <a href="qcolorgroup.html">QColorGroup</a> & active, const <a href="qcolorgroup.html">QColorGroup</a> & disabled, const <a href="qcolorgroup.html">QColorGroup</a> & inactive )
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| 139 | </h3>
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| 140 | Constructs a palette that consists of the three color groups <em>active</em>, <em>disabled</em> and <em>inactive</em>. See the <a href="#details">Detailed Description</a> for definitions of the color groups
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| 141 | and <a href="qcolorgroup.html#ColorRole-enum">QColorGroup::ColorRole</a> for definitions of each color role
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| 142 | in the three groups.
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| 143 | <p> <p>See also <a href="qcolorgroup.html">QColorGroup</a> and <a href="qcolorgroup.html#ColorRole-enum">QColorGroup::ColorRole</a>.
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| 144 |
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| 145 | <h3 class=fn><a name="QPalette-5"></a>QPalette::QPalette ( const <a href="qpalette.html">QPalette</a> & p )
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| 146 | </h3>
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| 147 | Constructs a copy of <em>p</em>.
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| 148 | <p> This constructor is fast (it uses copy-on-write).
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| 149 |
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| 150 | <h3 class=fn><a name="~QPalette"></a>QPalette::~QPalette ()
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| 151 | </h3>
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| 152 | Destroys the palette.
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| 153 |
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| 154 | <h3 class=fn>const <a href="qcolorgroup.html">QColorGroup</a> & <a name="active"></a>QPalette::active () const
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| 155 | </h3>
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| 156 |
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| 157 | <p> Returns the active color group of this palette.
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| 158 | <p> <p>See also <a href="qcolorgroup.html">QColorGroup</a>, <a href="#setActive">setActive</a>(), <a href="#inactive">inactive</a>(), and <a href="#disabled">disabled</a>().
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| 159 |
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| 160 | <p>Examples: <a href="themes-example.html#x290">themes/metal.cpp</a> and <a href="themes-example.html#x224">themes/wood.cpp</a>.
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| 161 | <h3 class=fn>const <a href="qbrush.html">QBrush</a> & <a name="brush"></a>QPalette::brush ( <a href="qpalette.html#ColorGroup-enum">ColorGroup</a> gr, <a href="qcolorgroup.html#ColorRole-enum">QColorGroup::ColorRole</a> r ) const
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| 162 | </h3>
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| 163 | Returns the brush in color group <em>gr</em>, used for color role <em>r</em>.
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| 164 | <p> <p>See also <a href="#color">color</a>(), <a href="#setBrush">setBrush</a>(), and <a href="qcolorgroup.html#ColorRole-enum">QColorGroup::ColorRole</a>.
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| 165 |
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| 166 | <h3 class=fn>const <a href="qcolor.html">QColor</a> & <a name="color"></a>QPalette::color ( <a href="qpalette.html#ColorGroup-enum">ColorGroup</a> gr, <a href="qcolorgroup.html#ColorRole-enum">QColorGroup::ColorRole</a> r ) const
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| 167 | </h3>
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| 168 | Returns the color in color group <em>gr</em>, used for color role <em>r</em>.
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| 169 | <p> <p>See also <a href="#brush">brush</a>(), <a href="#setColor">setColor</a>(), and <a href="qcolorgroup.html#ColorRole-enum">QColorGroup::ColorRole</a>.
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| 170 |
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| 171 | <h3 class=fn><a href="qpalette.html">QPalette</a> <a name="copy"></a>QPalette::copy () const
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| 172 | </h3>
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| 173 | Returns a <a href="shclass.html#deep-copy">deep copy</a> of this palette.
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| 174 | <p> <b>Warning:</b> This is slower than the copy constructor and assignment
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| 175 | operator and offers no benefits.
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| 176 |
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| 177 | <h3 class=fn>const <a href="qcolorgroup.html">QColorGroup</a> & <a name="disabled"></a>QPalette::disabled () const
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| 178 | </h3>
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| 179 |
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| 180 | <p> Returns the disabled color group of this palette.
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| 181 | <p> <p>See also <a href="qcolorgroup.html">QColorGroup</a>, <a href="#setDisabled">setDisabled</a>(), <a href="#active">active</a>(), and <a href="#inactive">inactive</a>().
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| 182 |
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| 183 | <p>Examples: <a href="themes-example.html#x291">themes/metal.cpp</a> and <a href="themes-example.html#x225">themes/wood.cpp</a>.
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| 184 | <h3 class=fn>const <a href="qcolorgroup.html">QColorGroup</a> & <a name="inactive"></a>QPalette::inactive () const
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| 185 | </h3>
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| 186 |
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| 187 | <p> Returns the inactive color group of this palette.
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| 188 | <p> <p>See also <a href="qcolorgroup.html">QColorGroup</a>, <a href="#setInactive">setInactive</a>(), <a href="#active">active</a>(), and <a href="#disabled">disabled</a>().
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| 189 |
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| 190 | <h3 class=fn>bool <a name="isCopyOf"></a>QPalette::isCopyOf ( const <a href="qpalette.html">QPalette</a> & p )
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| 191 | </h3>
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| 192 | Returns TRUE if this palette and <em>p</em> are copies of each other,
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| 193 | i.e. one of them was created as a copy of the other and neither
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| 194 | was subsequently modified; otherwise returns FALSE. This is much
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| 195 | stricter than equality.
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| 196 | <p> <p>See also <a href="#operator-eq">operator=</a>() and <a href="#operator-eq-eq">operator==</a>().
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| 197 |
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| 198 | <h3 class=fn>const <a href="qcolorgroup.html">QColorGroup</a> & <a name="normal"></a>QPalette::normal () const
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| 199 | </h3>
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| 200 | <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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| 201 | <p>
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| 202 | <p> Returns the active color group. Use <a href="#active">active</a>() instead.
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| 203 | <p> <p>See also <a href="#setActive">setActive</a>() and <a href="#active">active</a>().
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| 204 |
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| 205 | <h3 class=fn>bool <a name="operator!-eq"></a>QPalette::operator!= ( const <a href="qpalette.html">QPalette</a> & p ) const
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| 206 | </h3>
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| 207 |
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| 208 | <p> Returns TRUE (slowly) if this palette is different from <em>p</em>;
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| 209 | otherwise returns FALSE (usually quickly).
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| 210 |
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| 211 | <h3 class=fn><a href="qpalette.html">QPalette</a> & <a name="operator-eq"></a>QPalette::operator= ( const <a href="qpalette.html">QPalette</a> & p )
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| 212 | </h3>
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| 213 | Assigns <em>p</em> to this palette and returns a reference to this
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| 214 | palette.
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| 215 | <p> This is fast (it uses copy-on-write).
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| 216 | <p> <p>See also <a href="#copy">copy</a>().
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| 217 |
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| 218 | <h3 class=fn>bool <a name="operator-eq-eq"></a>QPalette::operator== ( const <a href="qpalette.html">QPalette</a> & p ) const
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| 219 | </h3>
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| 220 | Returns TRUE (usually quickly) if this palette is equal to <em>p</em>;
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| 221 | otherwise returns FALSE (slowly).
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| 222 |
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| 223 | <h3 class=fn>int <a name="serialNumber"></a>QPalette::serialNumber () const
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| 224 | </h3>
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| 225 |
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| 226 | <p> Returns a number that uniquely identifies this QPalette object.
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| 227 | The serial number is intended for caching. Its value may not be
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| 228 | used for anything other than equality testing.
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| 229 | <p> Note that QPalette uses copy-on-write, and the serial number
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| 230 | changes during the lazy copy operation (detach()), not during a
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| 231 | <a href="shclass.html#shallow-copy">shallow copy</a> (copy constructor or assignment).
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| 232 | <p> <p>See also <a href="qpixmap.html">QPixmap</a>, <a href="qpixmapcache.html">QPixmapCache</a>, and <a href="qcache.html">QCache</a>.
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| 233 |
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| 234 | <h3 class=fn>void <a name="setActive"></a>QPalette::setActive ( const <a href="qcolorgroup.html">QColorGroup</a> & g )
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| 235 | </h3>
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| 236 | Sets the <a href="#ColorGroup-enum">Active</a> color group to <em>g</em>.
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| 237 | <p> <p>See also <a href="#active">active</a>(), <a href="#setDisabled">setDisabled</a>(), <a href="#setInactive">setInactive</a>(), and <a href="qcolorgroup.html">QColorGroup</a>.
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| 238 |
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| 239 | <h3 class=fn>void <a name="setBrush"></a>QPalette::setBrush ( <a href="qpalette.html#ColorGroup-enum">ColorGroup</a> gr, <a href="qcolorgroup.html#ColorRole-enum">QColorGroup::ColorRole</a> r, const <a href="qbrush.html">QBrush</a> & b )
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| 240 | </h3>
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| 241 | Sets the brush in color group <em>gr</em>, used for color role <em>r</em>, to
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| 242 | <em>b</em>.
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| 243 | <p> <p>See also <a href="#brush">brush</a>(), <a href="#setColor">setColor</a>(), and <a href="qcolorgroup.html#ColorRole-enum">QColorGroup::ColorRole</a>.
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| 244 |
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| 245 | <h3 class=fn>void <a name="setBrush-2"></a>QPalette::setBrush ( <a href="qcolorgroup.html#ColorRole-enum">QColorGroup::ColorRole</a> r, const <a href="qbrush.html">QBrush</a> & b )
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| 246 | </h3>
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| 247 | This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
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| 248 | <p> Sets the brush in for color role <em>r</em> in all three color groups to
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| 249 | <em>b</em>.
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| 250 | <p> <p>See also <a href="#brush">brush</a>(), <a href="#setColor">setColor</a>(), <a href="qcolorgroup.html#ColorRole-enum">QColorGroup::ColorRole</a>, <a href="#active">active</a>(), <a href="#inactive">inactive</a>(), and <a href="#disabled">disabled</a>().
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| 251 |
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| 252 | <h3 class=fn>void <a name="setColor"></a>QPalette::setColor ( <a href="qpalette.html#ColorGroup-enum">ColorGroup</a> gr, <a href="qcolorgroup.html#ColorRole-enum">QColorGroup::ColorRole</a> r, const <a href="qcolor.html">QColor</a> & c )
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| 253 | </h3>
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| 254 | Sets the brush in color group <em>gr</em>, used for color role <em>r</em>, to
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| 255 | the solid color <em>c</em>.
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| 256 | <p> <p>See also <a href="#setBrush">setBrush</a>(), <a href="#color">color</a>(), and <a href="qcolorgroup.html#ColorRole-enum">QColorGroup::ColorRole</a>.
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| 257 |
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| 258 | <p>Example: <a href="themes-example.html#x332">themes/themes.cpp</a>.
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| 259 | <h3 class=fn>void <a name="setColor-2"></a>QPalette::setColor ( <a href="qcolorgroup.html#ColorRole-enum">QColorGroup::ColorRole</a> r, const <a href="qcolor.html">QColor</a> & c )
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| 260 | </h3>
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| 261 | This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
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| 262 | <p> Sets the brush color used for color role <em>r</em> to color <em>c</em> in all
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| 263 | three color groups.
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| 264 | <p> <p>See also <a href="#color">color</a>(), <a href="#setBrush">setBrush</a>(), and <a href="qcolorgroup.html#ColorRole-enum">QColorGroup::ColorRole</a>.
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| 265 |
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| 266 | <h3 class=fn>void <a name="setDisabled"></a>QPalette::setDisabled ( const <a href="qcolorgroup.html">QColorGroup</a> & g )
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| 267 | </h3>
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| 268 | Sets the <a href="#ColorGroup-enum">Disabled</a> color group to <em>g</em>.
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| 269 | <p> <p>See also <a href="#disabled">disabled</a>(), <a href="#setActive">setActive</a>(), and <a href="#setInactive">setInactive</a>().
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| 270 |
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| 271 | <h3 class=fn>void <a name="setInactive"></a>QPalette::setInactive ( const <a href="qcolorgroup.html">QColorGroup</a> & g )
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| 272 | </h3>
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| 273 | Sets the <a href="#ColorGroup-enum">Inactive</a> color group to <em>g</em>.
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| 274 | <p> <p>See also <a href="#active">active</a>(), <a href="#setDisabled">setDisabled</a>(), <a href="#setActive">setActive</a>(), and <a href="qcolorgroup.html">QColorGroup</a>.
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| 275 |
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| 276 | <h3 class=fn>void <a name="setNormal"></a>QPalette::setNormal ( const <a href="qcolorgroup.html">QColorGroup</a> & cg )
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| 277 | </h3>
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| 278 | <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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| 279 | <p>
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| 280 | <p> Sets the active color group to <em>cg</em>. Use <a href="#setActive">setActive</a>() instead.
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| 281 | <p> <p>See also <a href="#setActive">setActive</a>() and <a href="#active">active</a>().
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| 282 |
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| 283 | <hr><h2>Related Functions</h2>
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| 284 | <h3 class=fn><a href="qdatastream.html">QDataStream</a> & <a name="operator-lt-lt"></a>operator<< ( <a href="qdatastream.html">QDataStream</a> & s, const <a href="qpalette.html">QPalette</a> & p )
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| 285 | </h3>
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| 286 |
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| 287 | <p> Writes the palette, <em>p</em> to the stream <em>s</em> and returns a
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| 288 | reference to the stream.
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| 289 | <p> <p>See also <a href="datastreamformat.html">Format of the QDataStream operators</a>.
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| 290 |
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| 291 | <h3 class=fn><a href="qdatastream.html">QDataStream</a> & <a name="operator-gt-gt"></a>operator>> ( <a href="qdatastream.html">QDataStream</a> & s, <a href="qpalette.html">QPalette</a> & p )
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| 292 | </h3>
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| 293 |
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| 294 | <p> Reads a palette from the stream, <em>s</em> into the palette <em>p</em>, and
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| 295 | returns a reference to the stream.
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| 296 | <p> <p>See also <a href="datastreamformat.html">Format of the QDataStream operators</a>.
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| 297 |
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| 298 | <!-- eof -->
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| 299 | <hr><p>
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| 300 | This file is part of the <a href="index.html">Qt toolkit</a>.
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| 301 | Copyright © 1995-2007
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| 302 | <a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
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| 303 | <table width=100% cellspacing=0 border=0><tr>
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| 304 | <td>Copyright © 2007
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| 305 | <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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| 306 | <td align=right><div align=right>Qt 3.3.8</div>
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| 307 | </table></div></address></body>
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| 308 | </html>
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