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309 lines
20 KiB
309 lines
20 KiB
13 years ago
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/kernel/qpalette.cpp:512 -->
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>TQPalette Class</title>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQPalette Class Reference</h1>
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<p>The TQPalette class contains color groups for each widget state.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qpalette-h.html">qpalette.h</a>></tt>
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<p><a href="qpalette-members.html">List of all member functions.</a>
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<h2>Public Members</h2>
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<ul>
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<li class=fn><a href="#TQPalette"><b>TQPalette</b></a> ()</li>
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<li class=fn>TQPalette ( const TQColor & button ) <em>(obsolete)</em></li>
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<li class=fn><a href="#TQPalette-3"><b>TQPalette</b></a> ( const TQColor & button, const TQColor & background )</li>
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<li class=fn><a href="#TQPalette-4"><b>TQPalette</b></a> ( const TQColorGroup & active, const TQColorGroup & disabled, const TQColorGroup & inactive )</li>
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<li class=fn><a href="#TQPalette-5"><b>TQPalette</b></a> ( const TQPalette & p )</li>
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<li class=fn><a href="#~TQPalette"><b>~TQPalette</b></a> ()</li>
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<li class=fn>TQPalette & <a href="#operator-eq"><b>operator=</b></a> ( const TQPalette & p )</li>
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<li class=fn>enum <a href="#ColorGroup-enum"><b>ColorGroup</b></a> { Disabled, Active, Inactive, NColorGroups, Normal = Active }</li>
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<li class=fn>const TQColor & <a href="#color"><b>color</b></a> ( ColorGroup gr, TQColorGroup::ColorRole r ) const</li>
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<li class=fn>const TQBrush & <a href="#brush"><b>brush</b></a> ( ColorGroup gr, TQColorGroup::ColorRole r ) const</li>
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<li class=fn>void <a href="#setColor"><b>setColor</b></a> ( ColorGroup gr, TQColorGroup::ColorRole r, const TQColor & c )</li>
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<li class=fn>void <a href="#setBrush"><b>setBrush</b></a> ( ColorGroup gr, TQColorGroup::ColorRole r, const TQBrush & b )</li>
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<li class=fn>void <a href="#setColor-2"><b>setColor</b></a> ( TQColorGroup::ColorRole r, const TQColor & c )</li>
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<li class=fn>void <a href="#setBrush-2"><b>setBrush</b></a> ( TQColorGroup::ColorRole r, const TQBrush & b )</li>
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<li class=fn>TQPalette <a href="#copy"><b>copy</b></a> () const</li>
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<li class=fn>const TQColorGroup & <a href="#active"><b>active</b></a> () const</li>
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<li class=fn>const TQColorGroup & <a href="#disabled"><b>disabled</b></a> () const</li>
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<li class=fn>const TQColorGroup & <a href="#inactive"><b>inactive</b></a> () const</li>
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<li class=fn>const TQColorGroup & normal () const <em>(obsolete)</em></li>
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<li class=fn>void <a href="#setActive"><b>setActive</b></a> ( const TQColorGroup & g )</li>
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<li class=fn>void <a href="#setDisabled"><b>setDisabled</b></a> ( const TQColorGroup & g )</li>
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<li class=fn>void <a href="#setInactive"><b>setInactive</b></a> ( const TQColorGroup & g )</li>
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<li class=fn>void setNormal ( const TQColorGroup & cg ) <em>(obsolete)</em></li>
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<li class=fn>bool <a href="#operator-eq-eq"><b>operator==</b></a> ( const TQPalette & p ) const</li>
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<li class=fn>bool <a href="#operator!-eq"><b>operator!=</b></a> ( const TQPalette & p ) const</li>
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<li class=fn>bool <a href="#isCopyOf"><b>isCopyOf</b></a> ( const TQPalette & p )</li>
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<li class=fn>int <a href="#serialNumber"><b>serialNumber</b></a> () const</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>TQDataStream & <a href="#operator-lt-lt"><b>operator<<</b></a> ( TQDataStream & s, const TQPalette & p )</li>
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<li class=fn>TQDataStream & <a href="#operator-gt-gt"><b>operator>></b></a> ( TQDataStream & s, TQPalette & p )</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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<p> The TQPalette class contains color groups for each widget state.
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<p>
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<p> A palette consists of three color groups: <em>active</em>, <em>disabled</em>,
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and <em>inactive</em>. All widgets contain a palette, and all widgets in
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TQt use their palette to draw themselves. This makes the user
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interface easily configurable and easier to keep consistent.
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<p> If you create a new widget we strongly recommend that you use the
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colors in the palette rather than hard-coding specific colors.
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<p> The color groups:
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<ul>
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<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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<li> The <a href="#inactive">inactive</a>() group is used for other windows.
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<li> The <a href="#disabled">disabled</a>() group is used for widgets (not windows) that are
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disabled for some reason.
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</ul>
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<p> Both active and inactive windows can contain disabled widgets.
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(Disabled widgets are often called <em>inaccessible</em> or <em>grayed out</em>.)
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<p> In <a href="motif-extension.html#Motif">Motif</a> style, active() and inactive() look the same. In Windows
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2000 style and Macintosh Platinum style, the two styles look
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slightly different.
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<p> There are <a href="#setActive">setActive</a>(), <a href="#setInactive">setInactive</a>(), and <a href="#setDisabled">setDisabled</a>() functions
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to modify the palette. (TQt also supports a <a href="#normal">normal</a>() group; this is
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an obsolete alias for active(), supported for backwards
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compatibility.)
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<p> Colors and brushes can be set for particular roles in any of a
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palette's color groups with <a href="#setColor">setColor</a>() and <a href="#setBrush">setBrush</a>().
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<p> You can copy a palette using the copy constructor and test to see
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if two palettes are <em>identical</em> using <a href="#isCopyOf">isCopyOf</a>().
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<p> <p>See also <a href="qapplication.html#setPalette">TQApplication::setPalette</a>(), <a href="qwidget.html#palette-prop">TQWidget::palette</a>, <a href="qcolorgroup.html">TQColorGroup</a>, <a href="qcolor.html">TQColor</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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<hr><h2>Member Type Documentation</h2>
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<h3 class=fn><a name="ColorGroup-enum"></a>TQPalette::ColorGroup</h3>
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<ul>
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<li><tt>TQPalette::Disabled</tt>
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<li><tt>TQPalette::Active</tt>
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<li><tt>TQPalette::Inactive</tt>
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<li><tt>TQPalette::NColorGroups</tt>
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<li><tt>TQPalette::Normal</tt> - synonym for Active
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</ul>
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQPalette"></a>TQPalette::TQPalette ()
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</h3>
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Constructs a palette that consists of color groups with only black
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colors.
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<h3 class=fn><a name="TQPalette-2"></a>TQPalette::TQPalette ( const <a href="qcolor.html">TQColor</a> & button )
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</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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<p> Constructs a palette from the <em>button</em> color. The other colors are
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automatically calculated, based on this color. Background will be
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the button color as well.
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<h3 class=fn><a name="TQPalette-3"></a>TQPalette::TQPalette ( const <a href="qcolor.html">TQColor</a> & button, const <a href="qcolor.html">TQColor</a> & background )
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</h3>
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Constructs a palette from a <em>button</em> color and a <em>background</em>.
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The other colors are automatically calculated, based on these
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colors.
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<h3 class=fn><a name="TQPalette-4"></a>TQPalette::TQPalette ( const <a href="qcolorgroup.html">TQColorGroup</a> & active, const <a href="qcolorgroup.html">TQColorGroup</a> & disabled, const <a href="qcolorgroup.html">TQColorGroup</a> & inactive )
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</h3>
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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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and <a href="qcolorgroup.html#ColorRole-enum">TQColorGroup::ColorRole</a> for definitions of each color role
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in the three groups.
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<p> <p>See also <a href="qcolorgroup.html">TQColorGroup</a> and <a href="qcolorgroup.html#ColorRole-enum">TQColorGroup::ColorRole</a>.
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<h3 class=fn><a name="TQPalette-5"></a>TQPalette::TQPalette ( const <a href="qpalette.html">TQPalette</a> & p )
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</h3>
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Constructs a copy of <em>p</em>.
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<p> This constructor is fast (it uses copy-on-write).
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<h3 class=fn><a name="~TQPalette"></a>TQPalette::~TQPalette ()
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</h3>
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Destroys the palette.
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<h3 class=fn>const <a href="qcolorgroup.html">TQColorGroup</a> & <a name="active"></a>TQPalette::active () const
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</h3>
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<p> Returns the active color group of this palette.
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<p> <p>See also <a href="qcolorgroup.html">TQColorGroup</a>, <a href="#setActive">setActive</a>(), <a href="#inactive">inactive</a>(), and <a href="#disabled">disabled</a>().
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<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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<h3 class=fn>const <a href="qbrush.html">TQBrush</a> & <a name="brush"></a>TQPalette::brush ( <a href="qpalette.html#ColorGroup-enum">ColorGroup</a> gr, <a href="qcolorgroup.html#ColorRole-enum">TQColorGroup::ColorRole</a> r ) const
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</h3>
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Returns the brush in color group <em>gr</em>, used for color role <em>r</em>.
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<p> <p>See also <a href="#color">color</a>(), <a href="#setBrush">setBrush</a>(), and <a href="qcolorgroup.html#ColorRole-enum">TQColorGroup::ColorRole</a>.
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<h3 class=fn>const <a href="qcolor.html">TQColor</a> & <a name="color"></a>TQPalette::color ( <a href="qpalette.html#ColorGroup-enum">ColorGroup</a> gr, <a href="qcolorgroup.html#ColorRole-enum">TQColorGroup::ColorRole</a> r ) const
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</h3>
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Returns the color in color group <em>gr</em>, used for color role <em>r</em>.
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<p> <p>See also <a href="#brush">brush</a>(), <a href="#setColor">setColor</a>(), and <a href="qcolorgroup.html#ColorRole-enum">TQColorGroup::ColorRole</a>.
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<h3 class=fn><a href="qpalette.html">TQPalette</a> <a name="copy"></a>TQPalette::copy () const
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</h3>
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Returns a <a href="shclass.html#deep-copy">deep copy</a> of this palette.
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<p> <b>Warning:</b> This is slower than the copy constructor and assignment
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operator and offers no benefits.
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<h3 class=fn>const <a href="qcolorgroup.html">TQColorGroup</a> & <a name="disabled"></a>TQPalette::disabled () const
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</h3>
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<p> Returns the disabled color group of this palette.
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<p> <p>See also <a href="qcolorgroup.html">TQColorGroup</a>, <a href="#setDisabled">setDisabled</a>(), <a href="#active">active</a>(), and <a href="#inactive">inactive</a>().
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<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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<h3 class=fn>const <a href="qcolorgroup.html">TQColorGroup</a> & <a name="inactive"></a>TQPalette::inactive () const
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</h3>
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<p> Returns the inactive color group of this palette.
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<p> <p>See also <a href="qcolorgroup.html">TQColorGroup</a>, <a href="#setInactive">setInactive</a>(), <a href="#active">active</a>(), and <a href="#disabled">disabled</a>().
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<h3 class=fn>bool <a name="isCopyOf"></a>TQPalette::isCopyOf ( const <a href="qpalette.html">TQPalette</a> & p )
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</h3>
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Returns TRUE if this palette and <em>p</em> are copies of each other,
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i.e. one of them was created as a copy of the other and neither
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was subsequently modified; otherwise returns FALSE. This is much
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stricter than equality.
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<p> <p>See also <a href="#operator-eq">operator=</a>() and <a href="#operator-eq-eq">operator==</a>().
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<h3 class=fn>const <a href="qcolorgroup.html">TQColorGroup</a> & <a name="normal"></a>TQPalette::normal () const
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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>
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<p> Returns the active color group. Use <a href="#active">active</a>() instead.
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<p> <p>See also <a href="#setActive">setActive</a>() and <a href="#active">active</a>().
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<h3 class=fn>bool <a name="operator!-eq"></a>TQPalette::operator!= ( const <a href="qpalette.html">TQPalette</a> & p ) const
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</h3>
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<p> Returns TRUE (slowly) if this palette is different from <em>p</em>;
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otherwise returns FALSE (usually tquickly).
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<h3 class=fn><a href="qpalette.html">TQPalette</a> & <a name="operator-eq"></a>TQPalette::operator= ( const <a href="qpalette.html">TQPalette</a> & p )
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</h3>
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Assigns <em>p</em> to this palette and returns a reference to this
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palette.
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<p> This is fast (it uses copy-on-write).
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<p> <p>See also <a href="#copy">copy</a>().
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<h3 class=fn>bool <a name="operator-eq-eq"></a>TQPalette::operator== ( const <a href="qpalette.html">TQPalette</a> & p ) const
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</h3>
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Returns TRUE (usually tquickly) if this palette is equal to <em>p</em>;
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otherwise returns FALSE (slowly).
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<h3 class=fn>int <a name="serialNumber"></a>TQPalette::serialNumber () const
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</h3>
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<p> Returns a number that uniquely identifies this TQPalette object.
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The serial number is intended for caching. Its value may not be
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used for anything other than equality testing.
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<p> Note that TQPalette uses copy-on-write, and the serial number
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changes during the lazy copy operation (detach()), not during a
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<a href="shclass.html#shallow-copy">shallow copy</a> (copy constructor or assignment).
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<p> <p>See also <a href="qpixmap.html">TQPixmap</a>, <a href="qpixmapcache.html">TQPixmapCache</a>, and <a href="qcache.html">TQCache</a>.
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<h3 class=fn>void <a name="setActive"></a>TQPalette::setActive ( const <a href="qcolorgroup.html">TQColorGroup</a> & g )
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</h3>
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Sets the <a href="#ColorGroup-enum">Active</a> color group to <em>g</em>.
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<p> <p>See also <a href="#active">active</a>(), <a href="#setDisabled">setDisabled</a>(), <a href="#setInactive">setInactive</a>(), and <a href="qcolorgroup.html">TQColorGroup</a>.
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<h3 class=fn>void <a name="setBrush"></a>TQPalette::setBrush ( <a href="qpalette.html#ColorGroup-enum">ColorGroup</a> gr, <a href="qcolorgroup.html#ColorRole-enum">TQColorGroup::ColorRole</a> r, const <a href="qbrush.html">TQBrush</a> & b )
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</h3>
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Sets the brush in color group <em>gr</em>, used for color role <em>r</em>, to
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<em>b</em>.
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<p> <p>See also <a href="#brush">brush</a>(), <a href="#setColor">setColor</a>(), and <a href="qcolorgroup.html#ColorRole-enum">TQColorGroup::ColorRole</a>.
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<h3 class=fn>void <a name="setBrush-2"></a>TQPalette::setBrush ( <a href="qcolorgroup.html#ColorRole-enum">TQColorGroup::ColorRole</a> r, const <a href="qbrush.html">TQBrush</a> & b )
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</h3>
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This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
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<p> Sets the brush in for color role <em>r</em> in all three color groups to
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<em>b</em>.
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<p> <p>See also <a href="#brush">brush</a>(), <a href="#setColor">setColor</a>(), <a href="qcolorgroup.html#ColorRole-enum">TQColorGroup::ColorRole</a>, <a href="#active">active</a>(), <a href="#inactive">inactive</a>(), and <a href="#disabled">disabled</a>().
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<h3 class=fn>void <a name="setColor"></a>TQPalette::setColor ( <a href="qpalette.html#ColorGroup-enum">ColorGroup</a> gr, <a href="qcolorgroup.html#ColorRole-enum">TQColorGroup::ColorRole</a> r, const <a href="qcolor.html">TQColor</a> & c )
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</h3>
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Sets the brush in color group <em>gr</em>, used for color role <em>r</em>, to
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the solid color <em>c</em>.
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||
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<p> <p>See also <a href="#setBrush">setBrush</a>(), <a href="#color">color</a>(), and <a href="qcolorgroup.html#ColorRole-enum">TQColorGroup::ColorRole</a>.
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<p>Example: <a href="themes-example.html#x332">themes/themes.cpp</a>.
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<h3 class=fn>void <a name="setColor-2"></a>TQPalette::setColor ( <a href="qcolorgroup.html#ColorRole-enum">TQColorGroup::ColorRole</a> r, const <a href="qcolor.html">TQColor</a> & c )
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</h3>
|
||
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This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
||
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<p> Sets the brush color used for color role <em>r</em> to color <em>c</em> in all
|
||
|
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three color groups.
|
||
|
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<p> <p>See also <a href="#color">color</a>(), <a href="#setBrush">setBrush</a>(), and <a href="qcolorgroup.html#ColorRole-enum">TQColorGroup::ColorRole</a>.
|
||
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||
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<h3 class=fn>void <a name="setDisabled"></a>TQPalette::setDisabled ( const <a href="qcolorgroup.html">TQColorGroup</a> & g )
|
||
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</h3>
|
||
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Sets the <a href="#ColorGroup-enum">Disabled</a> color group to <em>g</em>.
|
||
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<p> <p>See also <a href="#disabled">disabled</a>(), <a href="#setActive">setActive</a>(), and <a href="#setInactive">setInactive</a>().
|
||
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|
||
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<h3 class=fn>void <a name="setInactive"></a>TQPalette::setInactive ( const <a href="qcolorgroup.html">TQColorGroup</a> & g )
|
||
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|
</h3>
|
||
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|
Sets the <a href="#ColorGroup-enum">Inactive</a> color group to <em>g</em>.
|
||
|
|
<p> <p>See also <a href="#active">active</a>(), <a href="#setDisabled">setDisabled</a>(), <a href="#setActive">setActive</a>(), and <a href="qcolorgroup.html">TQColorGroup</a>.
|
||
|
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|
||
|
|
<h3 class=fn>void <a name="setNormal"></a>TQPalette::setNormal ( const <a href="qcolorgroup.html">TQColorGroup</a> & cg )
|
||
|
|
</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>
|
||
|
|
<p> Sets the active color group to <em>cg</em>. Use <a href="#setActive">setActive</a>() instead.
|
||
|
|
<p> <p>See also <a href="#setActive">setActive</a>() and <a href="#active">active</a>().
|
||
|
|
|
||
|
|
<hr><h2>Related Functions</h2>
|
||
|
|
<h3 class=fn><a href="qdatastream.html">TQDataStream</a> & <a name="operator-lt-lt"></a>operator<< ( <a href="qdatastream.html">TQDataStream</a> & s, const <a href="qpalette.html">TQPalette</a> & p )
|
||
|
|
</h3>
|
||
|
|
|
||
|
|
<p> Writes the palette, <em>p</em> to the stream <em>s</em> and returns a
|
||
|
|
reference to the stream.
|
||
|
|
<p> <p>See also <a href="datastreamformat.html">Format of the TQDataStream operators</a>.
|
||
|
|
|
||
|
|
<h3 class=fn><a href="qdatastream.html">TQDataStream</a> & <a name="operator-gt-gt"></a>operator>> ( <a href="qdatastream.html">TQDataStream</a> & s, <a href="qpalette.html">TQPalette</a> & p )
|
||
|
|
</h3>
|
||
|
|
|
||
|
|
<p> Reads a palette from the stream, <em>s</em> into the palette <em>p</em>, and
|
||
|
|
returns a reference to the stream.
|
||
|
|
<p> <p>See also <a href="datastreamformat.html">Format of the TQDataStream operators</a>.
|
||
|
|
|
||
|
|
<!-- eof -->
|
||
|
|
<hr><p>
|
||
|
|
This file is part of the <a href="index.html">TQt toolkit</a>.
|
||
|
|
Copyright © 1995-2007
|
||
|
|
<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
|
||
|
|
<table width=100% cellspacing=0 border=0><tr>
|
||
|
|
<td>Copyright © 2007
|
||
|
|
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
|
||
|
|
<td align=right><div align=right>TQt 3.3.8</div>
|
||
|
|
</table></div></address></body>
|
||
|
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</html>
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