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<title>Qwt Polar User's Guide: QwtPolarPanner Class Reference</title>
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<div id="projectname">Qwt Polar User's Guide <span id="projectnumber">0.1.0</span></div>
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<div class="title">QwtPolarPanner Class Reference</div> </div>
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<!-- doxytag: class="QwtPolarPanner" -->
<p><a class="el" href="class_qwt_polar_panner.html" title="QwtPolarPanner provides panning of a polar plot canvas.">QwtPolarPanner</a> provides panning of a polar plot canvas.
<a href="class_qwt_polar_panner.html#details">More...</a></p>
<p><code>#include <<a class="el" href="qwt__polar__panner_8h_source.html">qwt_polar_panner.h</a>></code></p>
<p><a href="class_qwt_polar_panner-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_panner.html#ab05222bd343f9b989d3ab2b0146d9d1d">QwtPolarPanner</a> (<a class="el" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a> *)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_panner.html#a2e32d9b9d402ffe7b3c9b58eb3ca5c54">~QwtPolarPanner</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_polar_plot.html">QwtPolarPlot</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_panner.html#ad5e6f988efb71e9d6e0926ddff7bff35">plot</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_qwt_polar_plot.html">QwtPolarPlot</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_panner.html#a29508c1dde291b4c443ce6c554fc061d">plot</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_panner.html#a1052cdb6fcd1fb7223cf79fb1f8dc877">canvas</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_panner.html#a2ca3fb779c1020c896f4151b67791345">canvas</a> () const </td></tr>
<tr><td colspan="2"><h2><a name="pro-slots"></a>
Protected Slots</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_panner.html#ad339c9b1825b5582ba0450efd478dbdd">movePlot</a> (int dx, int dy)</td></tr>
<tr><td colspan="2"><h2><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_panner.html#a1e904467ed89354c473e228082464bc4">widgetMousePressEvent</a> (QMouseEvent *)</td></tr>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p><a class="el" href="class_qwt_polar_panner.html" title="QwtPolarPanner provides panning of a polar plot canvas.">QwtPolarPanner</a> provides panning of a polar plot canvas. </p>
<p><a class="el" href="class_qwt_polar_panner.html" title="QwtPolarPanner provides panning of a polar plot canvas.">QwtPolarPanner</a> is a panner for a <a class="el" href="class_qwt_polar_canvas.html" title="Canvas of a QwtPolarPlot.">QwtPolarCanvas</a>, that adjusts the visible area after dropping the canvas on its new position.</p>
<p>Together with <a class="el" href="class_qwt_polar_magnifier.html" title="QwtPolarMagnifier provides zooming, by magnifying in steps.">QwtPolarMagnifier</a> individual ways of navigating on a <a class="el" href="class_qwt_polar_plot.html" title="A plotting widget, displaying a polar coordinate system.">QwtPolarPlot</a> widget can be implemented easily.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_polar_magnifier.html" title="QwtPolarMagnifier provides zooming, by magnifying in steps.">QwtPolarMagnifier</a> </dd></dl>
</div><hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="ab05222bd343f9b989d3ab2b0146d9d1d"></a><!-- doxytag: member="QwtPolarPanner::QwtPolarPanner" ref="ab05222bd343f9b989d3ab2b0146d9d1d" args="(QwtPolarCanvas *)" -->
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<td class="memname">QwtPolarPanner::QwtPolarPanner </td>
<td>(</td>
<td class="paramtype"><a class="el" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a> * </td>
<td class="paramname"><em>canvas</em></td><td>)</td>
<td><code> [explicit]</code></td>
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</table>
</div>
<div class="memdoc">
<p>Create a plot panner for a polar plot canvas. </p>
</div>
</div>
<a class="anchor" id="a2e32d9b9d402ffe7b3c9b58eb3ca5c54"></a><!-- doxytag: member="QwtPolarPanner::~QwtPolarPanner" ref="a2e32d9b9d402ffe7b3c9b58eb3ca5c54" args="()" -->
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<td class="memname">QwtPolarPanner::~QwtPolarPanner </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td><code> [virtual]</code></td>
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<div class="memdoc">
<p>Destructor. </p>
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a1052cdb6fcd1fb7223cf79fb1f8dc877"></a><!-- doxytag: member="QwtPolarPanner::canvas" ref="a1052cdb6fcd1fb7223cf79fb1f8dc877" args="()" -->
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<td class="memname"><a class="el" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a> * QwtPolarPanner::canvas </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
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<div class="memdoc">
<p>Return observed plot canvas. </p>
</div>
</div>
<a class="anchor" id="a2ca3fb779c1020c896f4151b67791345"></a><!-- doxytag: member="QwtPolarPanner::canvas" ref="a2ca3fb779c1020c896f4151b67791345" args="() const " -->
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<td class="memname">const <a class="el" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a> * QwtPolarPanner::canvas </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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</table>
</div>
<div class="memdoc">
<p>Return observed plot canvas. </p>
</div>
</div>
<a class="anchor" id="ad339c9b1825b5582ba0450efd478dbdd"></a><!-- doxytag: member="QwtPolarPanner::movePlot" ref="ad339c9b1825b5582ba0450efd478dbdd" args="(int dx, int dy)" -->
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<td class="memname">void QwtPolarPanner::movePlot </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>dx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>dy</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [protected, virtual, slot]</code></td>
</tr>
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<div class="memdoc">
<p>Adjust the zoomed area according to dx/dy</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">dx</td><td>Pixel offset in x direction </td></tr>
<tr><td class="paramname">dy</td><td>Pixel offset in y direction</td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd>QwtPanner::panned(), <a class="el" href="class_qwt_polar_plot.html#a1521e34305c585ee0c686cb4ae857907" title="Translate and in/decrease the zoom factor.">QwtPolarPlot::zoom()</a> </dd></dl>
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</div>
<a class="anchor" id="a29508c1dde291b4c443ce6c554fc061d"></a><!-- doxytag: member="QwtPolarPanner::plot" ref="a29508c1dde291b4c443ce6c554fc061d" args="() const " -->
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<div class="memproto">
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<td class="memname">const <a class="el" href="class_qwt_polar_plot.html">QwtPolarPlot</a> * QwtPolarPanner::plot </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return observed plot. </p>
</div>
</div>
<a class="anchor" id="ad5e6f988efb71e9d6e0926ddff7bff35"></a><!-- doxytag: member="QwtPolarPanner::plot" ref="ad5e6f988efb71e9d6e0926ddff7bff35" args="()" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname"><a class="el" href="class_qwt_polar_plot.html">QwtPolarPlot</a> * QwtPolarPanner::plot </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return observed plot. </p>
</div>
</div>
<a class="anchor" id="a1e904467ed89354c473e228082464bc4"></a><!-- doxytag: member="QwtPolarPanner::widgetMousePressEvent" ref="a1e904467ed89354c473e228082464bc4" args="(QMouseEvent *)" -->
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<td class="memname">void QwtPolarPanner::widgetMousePressEvent </td>
<td>(</td>
<td class="paramtype">QMouseEvent * </td>
<td class="paramname"><em>me</em></td><td>)</td>
<td><code> [protected, virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Block panning when the plot zoom factor is >= 1.0.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">me</td><td>Mouse event </td></tr>
</table>
</dd>
</dl>
</div>
</div>
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