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<a name="l00690"></a>00690 <a name="l00695"></a><a class="code" href="class_qwt_plot.html#546ff473d973512141cc974e3609ad14">00695</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_plot.html#546ff473d973512141cc974e3609ad14">QwtPlot::margin</a>()<span class="keyword"> const</span><a name="l00696"></a>00696 <span class="keyword"></span>{<a name="l00697"></a>00697 <span class="keywordflow">return</span> d_data->layout->margin();<a name="l00698"></a>00698 }<a name="l00699"></a>00699 <a name="l00708"></a><a class="code" href="class_qwt_plot.html#1a56902d2109fcf709ad1dbd35f0b859">00708</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot.html#1a56902d2109fcf709ad1dbd35f0b859">QwtPlot::setCanvasBackground</a>(<span class="keyword">const</span> QColor &c)<a name="l00709"></a>00709 {<a name="l00710"></a>00710 QPalette p = d_data->canvas->palette();<a name="l00711"></a>00711 <a name="l00712"></a>00712 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < QPalette::NColorGroups; i++ )<a name="l00713"></a>00713 {<a name="l00714"></a>00714 #<span class="keywordflow">if</span> QT_VERSION < 0x040000<a name="l00715"></a>00715 p.setColor((QPalette::ColorGroup)i, QColorGroup::Background, c);<a name="l00716"></a>00716 <span class="preprocessor">#else</span><a name="l00717"></a>00717 <span class="preprocessor"></span> p.setColor((QPalette::ColorGroup)i, QPalette::Background, c);<a name="l00718"></a>00718 <span class="preprocessor">#endif</span><a name="l00719"></a>00719 <span class="preprocessor"></span> }<a name="l00720"></a>00720 <a name="l00721"></a>00721 canvas()->setPalette(p);<a name="l00722"></a>00722 }<a name="l00723"></a>00723 <a name="l00730"></a><a class="code" href="class_qwt_plot.html#99109068ad7749dfe28074abe3cc49af">00730</a> <span class="keyword">const</span> QColor & <a class="code" href="class_qwt_plot.html#99109068ad7749dfe28074abe3cc49af">QwtPlot::canvasBackground</a>()<span class="keyword"> const</span><a name="l00731"></a>00731 <span class="keyword"></span>{<a name="l00732"></a>00732 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00733"></a>00733 <span class="preprocessor"></span> <span class="keywordflow">return</span> <a class="code" href="class_qwt_plot.html#afcc82150034fbeb393ceb9f54ba2f1a">canvas</a>()->palette().color(<a name="l00734"></a>00734 QPalette::Normal, QColorGroup::Background);<a name="l00735"></a>00735 <span class="preprocessor">#else</span><a name="l00736"></a>00736 <span class="preprocessor"></span> <span class="keywordflow">return</span> <a class="code" href="class_qwt_plot.html#afcc82150034fbeb393ceb9f54ba2f1a">canvas</a>()->palette().color(<a name="l00737"></a>00737 QPalette::Normal, QPalette::Background);<a name="l00738"></a>00738 <span class="preprocessor">#endif</span><a name="l00739"></a>00739 <span class="preprocessor"></span>}<a name="l00740"></a>00740 <a name="l00747"></a><a class="code" href="class_qwt_plot.html#5af96e90be286753d524bdb042917618">00747</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot.html#5af96e90be286753d524bdb042917618">QwtPlot::setCanvasLineWidth</a>(<span class="keywordtype">int</span> w)<a name="l00748"></a>00748 {<a name="l00749"></a>00749 <a class="code" href="class_qwt_plot.html#afcc82150034fbeb393ceb9f54ba2f1a">canvas</a>()->setLineWidth(w);<a name="l00750"></a>00750 <a class="code" href="class_qwt_plot.html#d470068832406086d6823109d8d7f050">updateLayout</a>();<a name="l00751"></a>00751 }<a name="l00752"></a>00752 <a name="l00758"></a><a class="code" href="class_qwt_plot.html#200c23f4574d857afc3f457999fcd0ce">00758</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_plot.html#200c23f4574d857afc3f457999fcd0ce">QwtPlot::canvasLineWidth</a>()<span class="keyword"> const</span><a name="l00759"></a>00759 <span class="keyword"></span>{ <a name="l00760"></a>00760 <span class="keywordflow">return</span> <a class="code" href="class_qwt_plot.html#afcc82150034fbeb393ceb9f54ba2f1a">canvas</a>()->lineWidth();<a name="l00761"></a>00761 }<a name="l00762"></a>00762 <a name="l00767"></a><a class="code" href="class_qwt_plot.html#c02c033b024a4ecbefcf1b0e93c91205">00767</a> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_plot.html#c02c033b024a4ecbefcf1b0e93c91205">QwtPlot::axisValid</a>(<span class="keywordtype">int</span> axisId)<a name="l00768"></a>00768 {<a name="l00769"></a>00769 <span class="keywordflow">return</span> ((axisId >= QwtPlot::yLeft) && (axisId < QwtPlot::axisCnt));<a name="l00770"></a>00770 }<a name="l00771"></a>00771 <a name="l00777"></a><a class="code" href="class_qwt_plot.html#e1b53fe373a12b1558fca37fdc2f0a54">00777</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot.html#e1b53fe373a12b1558fca37fdc2f0a54">QwtPlot::legendItemClicked</a>()<a name="l00778"></a>00778 {<a name="l00779"></a>00779 <span class="keywordflow">if</span> ( d_data->legend && sender()->isWidgetType() )<a name="l00780"></a>00780 {<a name="l00781"></a>00781 <a class="code" href="class_qwt_plot_item.html">QwtPlotItem</a> *plotItem = d_data->legend->find((QWidget *)sender());<a name="l00782"></a>00782 <span class="keywordflow">if</span> ( plotItem )<a name="l00783"></a>00783 emit <a class="code" href="class_qwt_plot.html#52b75d5548fbe04539b6297de53a2222">legendClicked</a>(plotItem);<a name="l00784"></a>00784 }<a name="l00785"></a>00785 }<a name="l00786"></a>00786 <a name="l00787"></a><a class="code" href="class_qwt_plot.html#d41768a65a7cc426091c89d54e3c2ab2">00787</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot.html#d41768a65a7cc426091c89d54e3c2ab2">QwtPlot::legendItemChecked</a>(<span class="keywordtype">bool</span> on)<a name="l00788"></a>00788 {<a name="l00789"></a>00789 <span class="keywordflow">if</span> ( d_data->legend && sender()->isWidgetType() )<a name="l00790"></a>00790 {<a name="l00791"></a>00791 <a class="code" href="class_qwt_plot_item.html">QwtPlotItem</a> *plotItem = d_data->legend->find((QWidget *)sender());<a name="l00792"></a>00792 <span class="keywordflow">if</span> ( plotItem )<a name="l00793"></a>00793 emit <a class="code" href="class_qwt_plot.html#bd9e17629dd7c142fed017ea5e347149">legendChecked</a>(plotItem, on);<a name="l00794"></a>00794 }<a name="l00795"></a>00795 }<a name="l00796"></a>00796 <a name="l00798"></a><a class="code" href="class_qwt_plot.html#e2191d8ad33164b83aa2a14563f132a5">00798</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot.html#e2191d8ad33164b83aa2a14563f132a5">QwtPlot::clear</a>()<a name="l00799"></a>00799 {<a name="l00800"></a>00800 <a class="code" href="class_qwt_plot_dict.html#cb2e402e05c693433ed7e84696fbdfc0">detachItems</a>(QwtPlotItem::Rtti_PlotCurve);<a name="l00801"></a>00801 <a class="code" href="class_qwt_plot_dict.html#cb2e402e05c693433ed7e84696fbdfc0">detachItems</a>(QwtPlotItem::Rtti_PlotMarker);<a name="l00802"></a>00802 }<a name="l00803"></a>00803 <a name="l00830"></a><a class="code" href="class_qwt_plot.html#6e23cad2bce7b04a09f18fa139341d5c">00830</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot.html#6e23cad2bce7b04a09f18fa139341d5c">QwtPlot::insertLegend</a>(<a class="code" href="class_qwt_legend.html">QwtLegend</a> *legend, <a name="l00831"></a>00831 <a class="code" href="class_qwt_plot.html#31aacb65b5c049dde8c34a0d8482661b">QwtPlot::LegendPosition</a> pos, <span class="keywordtype">double</span> ratio)<a name="l00832"></a>00832 {<a name="l00833"></a>00833 d_data->layout->setLegendPosition(pos, ratio);<a name="l00834"></a>00834 <a name="l00835"></a>00835 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_plot.html#ab1f2cf0e567e09a4c4bce3181c03ba0">legend</a> != d_data->legend )<a name="l00836"></a>00836 {<a name="l00837"></a>00837 <span class="keywordflow">if</span> ( d_data->legend && d_data->legend->parent() == this )<a name="l00838"></a>00838 <span class="keyword">delete</span> d_data->legend;<a name="l00839"></a>00839 <a name="l00840"></a>00840 d_data->legend = <a class="code" href="class_qwt_plot.html#ab1f2cf0e567e09a4c4bce3181c03ba0">legend</a>;<a name="l00841"></a>00841 <a name="l00842"></a>00842 if ( d_data->legend )<a name="l00843"></a>00843 {<a name="l00844"></a>00844 <span class="keywordflow">if</span> ( pos != ExternalLegend )<a name="l00845"></a>00845 {<a name="l00846"></a>00846 <span class="keywordflow">if</span> ( d_data->legend->parent() != this )<a name="l00847"></a>00847 {<a name="l00848"></a>00848 #<span class="keywordflow">if</span> QT_VERSION < 0x040000<a name="l00849"></a>00849 d_data->legend->reparent(<span class="keyword">this</span>, QPoint(0, 0));<a name="l00850"></a>00850 <span class="preprocessor">#else</span><a name="l00851"></a>00851 <span class="preprocessor"></span> d_data->legend->setParent(<span class="keyword">this</span>);<a name="l00852"></a>00852 <span class="preprocessor">#endif</span><a name="l00853"></a>00853 <span class="preprocessor"></span> }<a name="l00854"></a>00854 }<a name="l00855"></a>00855 <a name="l00856"></a>00856 <span class="keyword">const</span> QwtPlotItemList& itmList = <a class="code" href="class_qwt_plot_dict.html#9cbb1c5c22de93594b7e2524af108f55">itemList</a>();<a name="l00857"></a>00857 <span class="keywordflow">for</span> ( QwtPlotItemIterator it = itmList.begin();<a name="l00858"></a>00858 it != itmList.end(); ++it )<a name="l00859"></a>00859 {<a name="l00860"></a>00860 (*it)->updateLegend(d_data->legend);<a name="l00861"></a>00861 }<a name="l00862"></a>00862 <a name="l00863"></a>00863 QLayout *l = d_data->legend->contentsWidget()->layout();<a name="l00864"></a>00864 <span class="keywordflow">if</span> ( l && l->inherits(<span class="stringliteral">"QwtDynGridLayout"</span>) )<a name="l00865"></a>00865 {<a name="l00866"></a>00866 <a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a> *tl = (<a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a> *)l;<a name="l00867"></a>00867 <span class="keywordflow">switch</span>(d_data->layout->legendPosition())<a name="l00868"></a>00868 {<a name="l00869"></a>00869 <span class="keywordflow">case</span> LeftLegend:<a name="l00870"></a>00870 <span class="keywordflow">case</span> RightLegend:<a name="l00871"></a>00871 tl->setMaxCols(1); <span class="comment">// 1 column: align vertical</span><a name="l00872"></a>00872 <span class="keywordflow">break</span>;<a name="l00873"></a>00873 <span class="keywordflow">case</span> TopLegend:<a name="l00874"></a>00874 <span class="keywordflow">case</span> BottomLegend:<a name="l00875"></a>00875 tl->setMaxCols(0); <span class="comment">// unlimited</span><a name="l00876"></a>00876 <span class="keywordflow">break</span>;<a name="l00877"></a>00877 <span class="keywordflow">case</span> ExternalLegend:<a name="l00878"></a>00878 <span class="keywordflow">break</span>;<a name="l00879"></a>00879 }<a name="l00880"></a>00880 }<a name="l00881"></a>00881 }<a name="l00882"></a>00882 updateTabOrder();<a name="l00883"></a>00883 }<a name="l00884"></a>00884 <a name="l00885"></a>00885 updateLayout();<a name="l00886"></a>00886 }</pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Feb 26 21:22:37 2007 for Qwt User's Guide by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address></body></html>⌨️ 快捷键说明
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