📄 qwt__legend__item_8cpp-source.html
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<a name="l00178"></a>00178 update();<a name="l00179"></a>00179 }<a name="l00180"></a>00180 }<a name="l00181"></a>00181 <a name="l00186"></a><a class="code" href="class_qwt_legend_item.html#53cd8956bab00b09be587da0bb7ca42b">00186</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_legend_item.html#53cd8956bab00b09be587da0bb7ca42b">QwtLegendItem::identifierMode</a>()<span class="keyword"> const </span><a name="l00187"></a>00187 <span class="keyword"></span>{ <a name="l00188"></a>00188 <span class="keywordflow">return</span> d_data->identifierMode; <a name="l00189"></a>00189 }<a name="l00190"></a>00190 <a name="l00199"></a><a class="code" href="class_qwt_legend_item.html#c435a0541a9c2a5938a879f44a4fc8f5">00199</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend_item.html#c435a0541a9c2a5938a879f44a4fc8f5">QwtLegendItem::setIdentfierWidth</a>(<span class="keywordtype">int</span> width)<a name="l00200"></a>00200 {<a name="l00201"></a>00201 width = qwtMax(width, 0);<a name="l00202"></a>00202 <span class="keywordflow">if</span> ( width != d_data->identifierWidth )<a name="l00203"></a>00203 {<a name="l00204"></a>00204 d_data->identifierWidth = width;<a name="l00205"></a>00205 <a class="code" href="class_qwt_text_label.html#ad25ab34c219f8d97ec7c39d064ed4a0">setIndent</a>(<a class="code" href="class_qwt_text_label.html#b754bebe50bc0e713cde9ba58bf6c3c8">margin</a>() + d_data->identifierWidth <a name="l00206"></a>00206 + 2 * d_data->spacing);<a name="l00207"></a>00207 }<a name="l00208"></a>00208 }<a name="l00214"></a><a class="code" href="class_qwt_legend_item.html#3326305e42b8904e55bf0c358b69267a">00214</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_legend_item.html#3326305e42b8904e55bf0c358b69267a">QwtLegendItem::identifierWidth</a>()<span class="keyword"> const</span><a name="l00215"></a>00215 <span class="keyword"></span>{<a name="l00216"></a>00216 <span class="keywordflow">return</span> d_data->identifierWidth;<a name="l00217"></a>00217 }<a name="l00218"></a>00218 <a name="l00224"></a><a class="code" href="class_qwt_legend_item.html#4ff8a83f130d56bf5932c6a35384d85f">00224</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend_item.html#4ff8a83f130d56bf5932c6a35384d85f">QwtLegendItem::setSpacing</a>(<span class="keywordtype">int</span> spacing)<a name="l00225"></a>00225 {<a name="l00226"></a>00226 spacing = qwtMax(spacing, 0);<a name="l00227"></a>00227 <span class="keywordflow">if</span> ( spacing != d_data->spacing )<a name="l00228"></a>00228 {<a name="l00229"></a>00229 d_data->spacing = spacing;<a name="l00230"></a>00230 <a class="code" href="class_qwt_text_label.html#ad25ab34c219f8d97ec7c39d064ed4a0">setIndent</a>(<a class="code" href="class_qwt_text_label.html#b754bebe50bc0e713cde9ba58bf6c3c8">margin</a>() + d_data->identifierWidth <a name="l00231"></a>00231 + 2 * d_data->spacing);<a name="l00232"></a>00232 }<a name="l00233"></a>00233 }<a name="l00234"></a>00234 <a name="l00239"></a><a class="code" href="class_qwt_legend_item.html#dc59d1683f3bb11a795098776e76c0bc">00239</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_legend_item.html#dc59d1683f3bb11a795098776e76c0bc">QwtLegendItem::spacing</a>()<span class="keyword"> const</span><a name="l00240"></a>00240 <span class="keyword"></span>{<a name="l00241"></a>00241 <span class="keywordflow">return</span> d_data->spacing;<a name="l00242"></a>00242 }<a name="l00243"></a>00243 <a name="l00250"></a><a class="code" href="class_qwt_legend_item.html#12029c7394b76b7431593630ce6ee386">00250</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend_item.html#12029c7394b76b7431593630ce6ee386">QwtLegendItem::setSymbol</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_symbol.html">QwtSymbol</a> &symbol) <a name="l00251"></a>00251 {<a name="l00252"></a>00252 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_legend_item.html#18ea9b789197ce0d6eedae02d27f5a55">symbol</a> != d_data->symbol )<a name="l00253"></a>00253 {<a name="l00254"></a>00254 d_data->symbol = <a class="code" href="class_qwt_legend_item.html#18ea9b789197ce0d6eedae02d27f5a55">symbol</a>;<a name="l00255"></a>00255 update();<a name="l00256"></a>00256 }<a name="l00257"></a>00257 }<a name="l00258"></a>00258 <a name="l00263"></a><a class="code" href="class_qwt_legend_item.html#18ea9b789197ce0d6eedae02d27f5a55">00263</a> <span class="keyword">const</span> <a class="code" href="class_qwt_symbol.html">QwtSymbol</a>& <a class="code" href="class_qwt_legend_item.html#18ea9b789197ce0d6eedae02d27f5a55">QwtLegendItem::symbol</a>()<span class="keyword"> const </span><a name="l00264"></a>00264 <span class="keyword"></span>{ <a name="l00265"></a>00265 <span class="keywordflow">return</span> d_data->symbol; <a name="l00266"></a>00266 }<a name="l00267"></a>00267 <a name="l00268"></a>00268 <a name="l00275"></a><a class="code" href="class_qwt_legend_item.html#97803f16937bf1a392b7675fd7c9b503">00275</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend_item.html#97803f16937bf1a392b7675fd7c9b503">QwtLegendItem::setCurvePen</a>(<span class="keyword">const</span> QPen &pen) <a name="l00276"></a>00276 {<a name="l00277"></a>00277 <span class="keywordflow">if</span> ( pen != d_data->curvePen )<a name="l00278"></a>00278 {<a name="l00279"></a>00279 d_data->curvePen = pen;<a name="l00280"></a>00280 update();<a name="l00281"></a>00281 }<a name="l00282"></a>00282 }<a name="l00283"></a>00283 <a name="l00288"></a><a class="code" href="class_qwt_legend_item.html#3ca8da18f186d02388b99d9de79f40b5">00288</a> <span class="keyword">const</span> QPen& <a class="code" href="class_qwt_legend_item.html#3ca8da18f186d02388b99d9de79f40b5">QwtLegendItem::curvePen</a>()<span class="keyword"> const </span><a name="l00289"></a>00289 <span class="keyword"></span>{ <a name="l00290"></a>00290 <span class="keywordflow">return</span> d_data->curvePen; <a name="l00291"></a>00291 }<a name="l00292"></a>00292 <a name="l00298"></a><a class="code" href="class_qwt_legend_item.html#9cd64e5c5c04621e4684c3d75d3eadff">00298</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend_item.html#9cd64e5c5c04621e4684c3d75d3eadff">QwtLegendItem::drawIdentifier</a>(<a name="l00299"></a>00299 QPainter *painter, <span class="keyword">const</span> QRect &rect)<span class="keyword"> const</span><a name="l00300"></a>00300 <span class="keyword"></span>{<a name="l00301"></a>00301 <span class="keywordflow">if</span> ( rect.isEmpty() )<a name="l00302"></a>00302 <span class="keywordflow">return</span>;<a name="l00303"></a>00303 <a name="l00304"></a>00304 <span class="keywordflow">if</span> ( (d_data->identifierMode & ShowLine ) && (d_data->curvePen.style() != Qt::NoPen) )<a name="l00305"></a>00305 {<a name="l00306"></a>00306 painter->save();<a name="l00307"></a>00307 painter->setPen(d_data->curvePen);<a name="l00308"></a>00308 <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, rect.left(), rect.center().y(), <a name="l00309"></a>00309 rect.right(), rect.center().y());<a name="l00310"></a>00310 painter->restore();<a name="l00311"></a>00311 }<a name="l00312"></a>00312 <a name="l00313"></a>00313 <span class="keywordflow">if</span> ( (d_data->identifierMode & ShowSymbol) <a name="l00314"></a>00314 && (d_data->symbol.style() != QwtSymbol::NoSymbol) )<a name="l00315"></a>00315 {<a name="l00316"></a>00316 QSize symbolSize = <a name="l00317"></a>00317 <a class="code" href="class_qwt_painter.html#3de95bfc83c9beee537404b41749bad5">QwtPainter::metricsMap</a>().<a class="code" href="class_qwt_metrics_map.html#3b2300920bf39300b0b5c969e296f5e1">screenToLayout</a>(d_data->symbol.size());<a name="l00318"></a>00318 <a name="l00319"></a>00319 <span class="comment">// scale the symbol size down if it doesn't fit into rect.</span><a name="l00320"></a>00320 <a name="l00321"></a>00321 <span class="keywordflow">if</span> ( rect.width() < symbolSize.width() )<a name="l00322"></a>00322 {<a name="l00323"></a>00323 <span class="keyword">const</span> <span class="keywordtype">double</span> ratio = <a name="l00324"></a>00324 <span class="keywordtype">double</span>(symbolSize.width()) / <span class="keywordtype">double</span>(rect.width());<a name="l00325"></a>00325 symbolSize.setWidth(rect.width());<a name="l00326"></a>00326 symbolSize.setHeight(qRound(symbolSize.height() / ratio));<a name="l00327"></a>00327 }<a name="l00328"></a>00328 <span class="keywordflow">if</span> ( rect.height() < symbolSize.height() )<a name="l00329"></a>00329 {<a name="l00330"></a>00330 <span class="keyword">const</span> <span class="keywordtype">double</span> ratio = <a name="l00331"></a>00331 <span class="keywordtype">double</span>(symbolSize.width()) / <span class="keywordtype">double</span>(rect.width());<a name="l00332"></a>00332 symbolSize.setHeight(rect.height());<a name="l00333"></a>00333 symbolSize.setWidth(qRound(symbolSize.width() / ratio));<a name="l00334"></a>00334 }<a name="l00335"></a>00335 <a name="l00336"></a>00336 QRect symbolRect;<a name="l00337"></a>00337 symbolRect.setSize(symbolSize);<a name="l00338"></a>00338 symbolRect.moveCenter(rect.center());<a name="l00339"></a>00339 <a name="l00340"></a>00340 painter->save();<a name="l00341"></a>00341 painter->setBrush(d_data->symbol.brush());<a name="l00342"></a>00342 painter->setPen(d_data->symbol.pen());<a name="l00343"></a>00343 d_data->symbol.draw(painter, symbolRect);<a name="l00344"></a>00344 painter->restore();<a name="l00345"></a>00345 }<a name="l00346"></a>00346 }<a name="l00347"></a>00347 <a name="l00354"></a><a class="code" href="class_qwt_legend_item.html#817a72727cfb906e25005962c369126a">00354</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend_item.html#817a72727cfb906e25005962c369126a">QwtLegendItem::drawItem</a>(QPainter *painter, <span class="keyword">const</span> QRect &rect)<span class="keyword"> const</span><a name="l00355"></a>00355 <span class="keyword"></span>{<a name="l00356"></a>00356 painter->save();<a name="l00357"></a>00357 <a name="l00358"></a>00358 <span class="keyword">const</span> <a class="code" href="class_qwt_metrics_map.html">QwtMetricsMap</a> &map = <a class="code" href="class_qwt_painter.html#3de95bfc83c9beee537404b41749bad5">QwtPainter::metricsMap</a>();<a name="l00359"></a>00359 <a name="l00360"></a>00360 <span class="keyword">const</span> <span class="keywordtype">int</span> m = map.<a class="code" href="class_qwt_metrics_map.html#e1cce24cb234af56b3e52bfad1d153ac">screenToLayoutX</a>(<a class="code" href="class_qwt_text_label.html#b754bebe50bc0e713cde9ba58bf6c3c8">margin</a>());<a name="l00361"></a>00361 <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="class_qwt_legend_item.html#dc59d1683f3bb11a795098776e76c0bc">spacing</a> = map.<a class="code" href="class_qwt_metrics_map.html#e1cce24cb234af56b3e52bfad1d153ac">screenToLayoutX</a>(d_data->spacing);<a name="l00362"></a>00362 <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="class_qwt_legend_item.html#3326305e42b8904e55bf0c358b69267a">identifierWidth</a> = map.<a class="code" href="class_qwt_metrics_map.html#e1cce24cb234af56b3e52bfad1d153ac">screenToLayoutX</a>(d_data->identifierWidth);<a name="l00363"></a>00363 <a name="l00364"></a>00364 <span class="keyword">const</span> QRect identifierRect(rect.x() + m, rect.y(), <a name="l00365"></a>00365 identifierWidth, rect.height());<a name="l00366"></a>00366 <a class="code" href="class_qwt_legend_item.html#9cd64e5c5c04621e4684c3d75d3eadff">drawIdentifier</a>(painter, identifierRect);<a name="l00367"></a>00367 <a name="l00368"></a>00368 <span class="comment">// Label</span><a name="l00369"></a>00369 <a name="l00370"></a>00370 QRect titleRect = rect;<a name="l00371"></a>00371 titleRect.setX(identifierRect.right() + 2 * spacing);<a name="l00372"></a>00372 <a name="l00373"></a>00373 <a class="code" href="class_qwt_text_label.html#6ff4f9a87e11594740f312c8522f933e">text</a>().<a class="code" href="class_qwt_text.html#3907eb112ff2259adbaad4c433178354">draw</a>(painter, titleRect);<a name="l00374"></a>00374 <a name="l00375"></a>00375 painter->restore();<a name="l00376"></a>00376 }<a name="l00377"></a>00377 <a name="l00378"></a><a class="code" href="class_qwt_legend_item.html#c154aa6b045d78f8134bbfab19a9729b">00378</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_legend_item.html#c154aa6b045d78f8134bbfab19a9729b">QwtLegendItem::paintEvent</a>(QPaintEvent *e)<a name="l00379"></a>00379 {<a name="l00380"></a>00380 <span class="keyword">const</span> QRect cr = contentsRect();<a name="l00381"></a>00381 <a name="l00382"></a>00382 QPainter painter(<span class="keyword">this</span>);<a name="l00383"></a>00383 painter.setClipRegion(e->region());<a name="l00384"></a>00384 <a name="l00385"></a>00385 <span class="keywordflow">if</span> ( d_data->isDown )<a name="l00386"></a>00386 {<a name="l00387"></a>00387 qDrawWinButton(&painter, 0, 0, width(), height(), <a name="l00388"></a>00388 #<span class="keywordflow">if</span> QT_VERSION < 0x040000<a name="l00389"></a>00389 colorGroup(), <a name="l00390"></a>00390 #<span class="keywordflow">else</span>⌨️ 快捷键说明
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