qwt__slider_8cpp-source.html

QWT5.01用于Qt开发的二维图形库程序

<a name="l00159"></a>00159 }
<a name="l00160"></a>00160 
<a name="l00161"></a><a class="code" href="class_qwt_slider.html#1d82f2f616f8cd3cc7c265948d1b7886">00161</a> <a class="code" href="class_qwt_slider.html#1d82f2f616f8cd3cc7c265948d1b7886">QwtSlider::~QwtSlider</a>()
<a name="l00162"></a>00162 {
<a name="l00163"></a>00163     <span class="keyword">delete</span> d_data;
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165 
<a name="l00174"></a><a class="code" href="class_qwt_slider.html#3a5d51f56dee5e51dc37bb6f546b16b5">00174</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#3a5d51f56dee5e51dc37bb6f546b16b5">QwtSlider::setOrientation</a>(Qt::Orientation o) 
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176     <span class="keywordflow">if</span> ( o == <a class="code" href="class_qwt_abstract_slider.html#4d2521b9c31ec64b71d8e1771b156d88">orientation</a>() )
<a name="l00177"></a>00177         <span class="keywordflow">return</span>;
<a name="l00178"></a>00178 
<a name="l00179"></a>00179     <span class="keywordflow">if</span> (o == Qt::Horizontal)
<a name="l00180"></a>00180     {
<a name="l00181"></a>00181         <span class="keywordflow">if</span> ((d_data-&gt;scalePos == LeftScale) || (d_data-&gt;scalePos == RightScale))
<a name="l00182"></a>00182             d_data-&gt;scalePos = NoScale;
<a name="l00183"></a>00183     }
<a name="l00184"></a>00184     <span class="keywordflow">else</span> <span class="comment">// if (o == Qt::Vertical)</span>
<a name="l00185"></a>00185     {
<a name="l00186"></a>00186         <span class="keywordflow">if</span> ((d_data-&gt;scalePos == BottomScale) || (d_data-&gt;scalePos == TopScale))
<a name="l00187"></a>00187             d_data-&gt;scalePos = NoScale;
<a name="l00188"></a>00188     }
<a name="l00189"></a>00189 
<a name="l00190"></a>00190 <span class="preprocessor">#if QT_VERSION &gt;= 0x040000</span>
<a name="l00191"></a>00191 <span class="preprocessor"></span>    <span class="keywordflow">if</span> ( !testAttribute(Qt::WA_WState_OwnSizePolicy) )
<a name="l00192"></a>00192 <span class="preprocessor">#else</span>
<a name="l00193"></a>00193 <span class="preprocessor"></span>    <span class="keywordflow">if</span> ( !testWState( WState_OwnSizePolicy ) ) 
<a name="l00194"></a>00194 <span class="preprocessor">#endif</span>
<a name="l00195"></a>00195 <span class="preprocessor"></span>    {
<a name="l00196"></a>00196         QSizePolicy sp = sizePolicy();
<a name="l00197"></a>00197         sp.transpose();
<a name="l00198"></a>00198         setSizePolicy(sp);
<a name="l00199"></a>00199 
<a name="l00200"></a>00200 <span class="preprocessor">#if QT_VERSION &gt;= 0x040000</span>
<a name="l00201"></a>00201 <span class="preprocessor"></span>        setAttribute(Qt::WA_WState_OwnSizePolicy, <span class="keyword">false</span>);
<a name="l00202"></a>00202 <span class="preprocessor">#else</span>
<a name="l00203"></a>00203 <span class="preprocessor"></span>        clearWState( WState_OwnSizePolicy );
<a name="l00204"></a>00204 <span class="preprocessor">#endif</span>
<a name="l00205"></a>00205 <span class="preprocessor"></span>    }
<a name="l00206"></a>00206 
<a name="l00207"></a>00207     <a class="code" href="class_qwt_abstract_slider.html#6b0fdc50bfbb0a8bb40f0dc6bf493b2c">QwtAbstractSlider::setOrientation</a>(o);
<a name="l00208"></a>00208     <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210 
<a name="l00224"></a><a class="code" href="class_qwt_slider.html#f663f9e1ee5962f796b83d95820a84ae">00224</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#f663f9e1ee5962f796b83d95820a84ae">QwtSlider::setScalePosition</a>(<a class="code" href="class_qwt_slider.html#10836f1e83b9c8ef8e229bf7c65c3659">ScalePos</a> s)
<a name="l00225"></a>00225 {
<a name="l00226"></a>00226     d_data-&gt;scalePos = s;
<a name="l00227"></a>00227     <span class="keywordflow">if</span> ((s == BottomScale) || (s == TopScale))
<a name="l00228"></a>00228         <a class="code" href="class_qwt_slider.html#3a5d51f56dee5e51dc37bb6f546b16b5">setOrientation</a>(Qt::Horizontal);
<a name="l00229"></a>00229     <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((s == LeftScale) || (s == RightScale))
<a name="l00230"></a>00230         <a class="code" href="class_qwt_slider.html#3a5d51f56dee5e51dc37bb6f546b16b5">setOrientation</a>(Qt::Vertical);
<a name="l00231"></a>00231     <span class="keywordflow">else</span>
<a name="l00232"></a>00232         <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
<a name="l00233"></a>00233 }
<a name="l00234"></a>00234 
<a name="l00236"></a><a class="code" href="class_qwt_slider.html#438bcc6e8ffc676eaeff80d057185ae6">00236</a> <a class="code" href="class_qwt_slider.html#10836f1e83b9c8ef8e229bf7c65c3659">QwtSlider::ScalePos</a> <a class="code" href="class_qwt_slider.html#438bcc6e8ffc676eaeff80d057185ae6">QwtSlider::scalePosition</a>()<span class="keyword"> const</span>
<a name="l00237"></a>00237 <span class="keyword"></span>{
<a name="l00238"></a>00238     <span class="keywordflow">return</span> d_data-&gt;scalePos;
<a name="l00239"></a>00239 }
<a name="l00240"></a>00240 
<a name="l00245"></a><a class="code" href="class_qwt_slider.html#0d40da533b9417974240e127b5d701e4">00245</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#0d40da533b9417974240e127b5d701e4">QwtSlider::setBorderWidth</a>(<span class="keywordtype">int</span> bd)
<a name="l00246"></a>00246 {
<a name="l00247"></a>00247     <span class="keywordflow">if</span> ( bd &lt; 0 )
<a name="l00248"></a>00248         bd = 0;
<a name="l00249"></a>00249 
<a name="l00250"></a>00250     <span class="keywordflow">if</span> ( bd != d_data-&gt;borderWidth )
<a name="l00251"></a>00251     {
<a name="l00252"></a>00252         d_data-&gt;borderWidth = bd;
<a name="l00253"></a>00253         <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
<a name="l00254"></a>00254     }
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256 
<a name="l00261"></a><a class="code" href="class_qwt_slider.html#a238078ae6ce297e0a39c0404542545d">00261</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#a238078ae6ce297e0a39c0404542545d">QwtSlider::setThumbLength</a>(<span class="keywordtype">int</span> thumbLength)
<a name="l00262"></a>00262 {
<a name="l00263"></a>00263     <span class="keywordflow">if</span> ( thumbLength &lt; 8 )
<a name="l00264"></a>00264         thumbLength = 8;
<a name="l00265"></a>00265 
<a name="l00266"></a>00266     <span class="keywordflow">if</span> ( thumbLength != d_data-&gt;thumbLength )
<a name="l00267"></a>00267     {
<a name="l00268"></a>00268         d_data-&gt;thumbLength = thumbLength;
<a name="l00269"></a>00269         <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
<a name="l00270"></a>00270     }
<a name="l00271"></a>00271 }
<a name="l00272"></a>00272 
<a name="l00277"></a><a class="code" href="class_qwt_slider.html#4e25372df46541d807603791ca6c5bab">00277</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#4e25372df46541d807603791ca6c5bab">QwtSlider::setThumbWidth</a>(<span class="keywordtype">int</span> w)
<a name="l00278"></a>00278 {
<a name="l00279"></a>00279     <span class="keywordflow">if</span> ( w &lt; 4 )
<a name="l00280"></a>00280         w = 4;
<a name="l00281"></a>00281 
<a name="l00282"></a>00282     <span class="keywordflow">if</span> ( d_data-&gt;thumbWidth != w )
<a name="l00283"></a>00283     {
<a name="l00284"></a>00284         d_data-&gt;thumbWidth = w;
<a name="l00285"></a>00285         <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
<a name="l00286"></a>00286     }
<a name="l00287"></a>00287 }
<a name="l00288"></a>00288 
<a name="l00289"></a><a class="code" href="class_qwt_slider.html#9039a6d5d5bb7b21c312637cf40f8319">00289</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#9039a6d5d5bb7b21c312637cf40f8319">QwtSlider::setScaleDraw</a>(<a class="code" href="class_qwt_scale_draw.html">QwtScaleDraw</a> *scaleDraw)
<a name="l00290"></a>00290 {
<a name="l00291"></a>00291     <a class="code" href="class_qwt_abstract_scale.html#950c5bf521dc704b78f76c7951346288">setAbstractScaleDraw</a>(<a class="code" href="class_qwt_slider.html#b3394f8eb22b75cc6add3b8d3444ad30">scaleDraw</a>);
<a name="l00292"></a>00292 }
<a name="l00293"></a>00293 
<a name="l00294"></a><a class="code" href="class_qwt_slider.html#b3394f8eb22b75cc6add3b8d3444ad30">00294</a> <span class="keyword">const</span> <a class="code" href="class_qwt_scale_draw.html">QwtScaleDraw</a> *<a class="code" href="class_qwt_slider.html#b3394f8eb22b75cc6add3b8d3444ad30">QwtSlider::scaleDraw</a>()<span class="keyword"> const</span>
<a name="l00295"></a>00295 <span class="keyword"></span>{
<a name="l00296"></a>00296     <span class="keywordflow">return</span> (<a class="code" href="class_qwt_scale_draw.html">QwtScaleDraw</a> *)<a class="code" href="class_qwt_abstract_scale.html#b3c5f30892792e5ca3d84f4409ef6216">abstractScaleDraw</a>();
<a name="l00297"></a>00297 }
<a name="l00298"></a>00298 
<a name="l00299"></a><a class="code" href="class_qwt_slider.html#c9d9cf23f22f06a02c9a60fb91adb0c0">00299</a> <a class="code" href="class_qwt_scale_draw.html">QwtScaleDraw</a> *<a class="code" href="class_qwt_slider.html#b3394f8eb22b75cc6add3b8d3444ad30">QwtSlider::scaleDraw</a>()
<a name="l00300"></a>00300 {
<a name="l00301"></a>00301     <span class="keywordflow">return</span> (<a class="code" href="class_qwt_scale_draw.html">QwtScaleDraw</a> *)<a class="code" href="class_qwt_abstract_scale.html#b3c5f30892792e5ca3d84f4409ef6216">abstractScaleDraw</a>();
<a name="l00302"></a>00302 }
<a name="l00303"></a>00303 
<a name="l00305"></a><a class="code" href="class_qwt_slider.html#31ae4c53eb17d77ee0fd846ff6eea7e3">00305</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#31ae4c53eb17d77ee0fd846ff6eea7e3">QwtSlider::scaleChange</a>()
<a name="l00306"></a>00306 {
<a name="l00307"></a>00307     <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
<a name="l00308"></a>00308 }
<a name="l00309"></a>00309 
<a name="l00310"></a>00310 
<a name="l00312"></a><a class="code" href="class_qwt_slider.html#dabf0ae058968d9c68677580c2fa800f">00312</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#dabf0ae058968d9c68677580c2fa800f">QwtSlider::fontChange</a>(<span class="keyword">const</span> QFont &amp;f)
<a name="l00313"></a>00313 {
<a name="l00314"></a>00314     QwtAbstractSlider::fontChange( f );
<a name="l00315"></a>00315     <a class="code" href="class_qwt_slider.html#94d3a5a87c2591f21e458ff6aa358009">layoutSlider</a>();
<a name="l00316"></a>00316 }
<a name="l00317"></a>00317 
<a name="l00319"></a><a class="code" href="class_qwt_slider.html#9bfe362dcd3f4318595ce85671c96a64">00319</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_slider.html#9bfe362dcd3f4318595ce85671c96a64">QwtSlider::drawSlider</a>(QPainter *p, <span class="keyword">const</span> QRect &amp;r)
<a name="l00320"></a>00320 {
<a name="l00321"></a>00321     QRect cr(r);
<a name="l00322"></a>00322 
<a name="l00323"></a>00323     <span class="keywordflow">if</span> (d_data-&gt;bgStyle &amp; BgTrough)
<a name="l00324"></a>00324     {
<a name="l00325"></a>00325         qDrawShadePanel(p, r.x(), r.y(),
<a name="l00326"></a>00326             r.width(), r.height(),
<a name="l00327"></a>00327 <span class="preprocessor">#if QT_VERSION &lt; 0x040000</span>
<a name="l00328"></a>00328 <span class="preprocessor"></span>            colorGroup(), 
<a name="l00329"></a>00329 <span class="preprocessor">#else</span>
<a name="l00330"></a>00330 <span class="preprocessor"></span>            palette(), 
<a name="l00331"></a>00331 <span class="preprocessor">#endif</span>
<a name="l00332"></a>00332 <span class="preprocessor"></span>            <span class="keyword">true</span>, d_data-&gt;borderWidth,0);
<a name="l00333"></a>00333 
<a name="l00334"></a>00334         cr.setRect(r.x() + d_data-&gt;borderWidth,
<a name="l00335"></a>00335             r.y() + d_data-&gt;borderWidth,
<a name="l00336"></a>00336             r.width() - 2 * d_data-&gt;borderWidth,
<a name="l00337"></a>00337             r.height() - 2 * d_data-&gt;borderWidth);
<a name="l00338"></a>00338 
<a name="l00339"></a>00339         p-&gt;fillRect(cr.x(), cr.y(), cr.width(), cr.height(), 
<a name="l00340"></a>00340 <span class="preprocessor">#if QT_VERSION &lt; 0x040000</span>
<a name="l00341"></a>00341 <span class="preprocessor"></span>            colorGroup().brush(QColorGroup::Mid)