📄 qwt__plot_8cpp-source.html
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<a name="l00355"></a>00355 <a name="l00356"></a>00356 <span class="keywordflow">return</span> hint;<a name="l00357"></a>00357 }<a name="l00358"></a>00358 <a name="l00360"></a><a class="code" href="class_qwt_plot.html#a4d5f73681880b9770bb6a604c415987">00360</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot.html#a4d5f73681880b9770bb6a604c415987">QwtPlot::resizeEvent</a>(QResizeEvent *e)<a name="l00361"></a>00361 {<a name="l00362"></a>00362 QFrame::resizeEvent(e);<a name="l00363"></a>00363 <a class="code" href="class_qwt_plot.html#d470068832406086d6823109d8d7f050">updateLayout</a>();<a name="l00364"></a>00364 }<a name="l00365"></a>00365 <a name="l00376"></a><a class="code" href="class_qwt_plot.html#7b094e29b8e92b00e36517d0d7633c4b">00376</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot.html#7b094e29b8e92b00e36517d0d7633c4b">QwtPlot::replot</a>()<a name="l00377"></a>00377 {<a name="l00378"></a>00378 <span class="keywordtype">bool</span> doAutoReplot = <a class="code" href="class_qwt_plot.html#f14053ca41be0f9c6f820ed3c4379831">autoReplot</a>();<a name="l00379"></a>00379 <a class="code" href="class_qwt_plot.html#654934ec2ad167101dacb5174f5172d6">setAutoReplot</a>(<span class="keyword">false</span>);<a name="l00380"></a>00380 <a name="l00381"></a>00381 <a class="code" href="class_qwt_plot.html#1fb2dbc3697a66024d48c08b1d18f8a5">updateAxes</a>();<a name="l00382"></a>00382 <a name="l00383"></a>00383 <span class="comment">/*</span><a name="l00384"></a>00384 <span class="comment"> Maybe the layout needs to be updated, because of changed</span><a name="l00385"></a>00385 <span class="comment"> axes labels. We need to process them here before painting</span><a name="l00386"></a>00386 <span class="comment"> to avoid that scales and canvas get out of sync.</span><a name="l00387"></a>00387 <span class="comment"> */</span><a name="l00388"></a>00388 <span class="preprocessor">#if QT_VERSION >= 0x040000</span><a name="l00389"></a>00389 <span class="preprocessor"></span> QApplication::sendPostedEvents(<span class="keyword">this</span>, QEvent::LayoutRequest);<a name="l00390"></a>00390 <span class="preprocessor">#else</span><a name="l00391"></a>00391 <span class="preprocessor"></span> QApplication::sendPostedEvents(<span class="keyword">this</span>, QEvent::LayoutHint);<a name="l00392"></a>00392 <span class="preprocessor">#endif</span><a name="l00393"></a>00393 <span class="preprocessor"></span><a name="l00394"></a>00394 <a class="code" href="class_qwt_plot_canvas.html">QwtPlotCanvas</a> &<a class="code" href="class_qwt_plot.html#afcc82150034fbeb393ceb9f54ba2f1a">canvas</a> = *d_data->canvas;<a name="l00395"></a>00395 <a name="l00396"></a>00396 <a class="code" href="class_qwt_plot.html#afcc82150034fbeb393ceb9f54ba2f1a">canvas</a>.<a class="code" href="class_qwt_plot_canvas.html#d03018bfc24f361e4ba359643c5c23b6">invalidatePaintCache</a>();<a name="l00397"></a>00397 <a name="l00398"></a>00398 <span class="comment">/*</span><a name="l00399"></a>00399 <span class="comment"> In case of cached or packed painting the canvas</span><a name="l00400"></a>00400 <span class="comment"> is repainted completely and doesn't need to be erased.</span><a name="l00401"></a>00401 <span class="comment"> */</span><a name="l00402"></a>00402 <span class="keyword">const</span> <span class="keywordtype">bool</span> erase = <a name="l00403"></a>00403 !<a class="code" href="class_qwt_plot.html#afcc82150034fbeb393ceb9f54ba2f1a">canvas</a>.<a class="code" href="class_qwt_plot_canvas.html#804f78518b0ba72b11ba996fd2457fb1">testPaintAttribute</a>(QwtPlotCanvas::PaintPacked) <a name="l00404"></a>00404 && !<a class="code" href="class_qwt_plot.html#afcc82150034fbeb393ceb9f54ba2f1a">canvas</a>.<a class="code" href="class_qwt_plot_canvas.html#804f78518b0ba72b11ba996fd2457fb1">testPaintAttribute</a>(QwtPlotCanvas::PaintCached);<a name="l00405"></a>00405 <a name="l00406"></a>00406 <span class="preprocessor">#if QT_VERSION >= 0x040000</span><a name="l00407"></a>00407 <span class="preprocessor"></span> <span class="keyword">const</span> <span class="keywordtype">bool</span> noBackgroundMode = <a class="code" href="class_qwt_plot.html#afcc82150034fbeb393ceb9f54ba2f1a">canvas</a>.testAttribute(Qt::WA_NoBackground);<a name="l00408"></a>00408 <span class="keywordflow">if</span> ( !erase && !noBackgroundMode )<a name="l00409"></a>00409 <a class="code" href="class_qwt_plot.html#afcc82150034fbeb393ceb9f54ba2f1a">canvas</a>.setAttribute(Qt::WA_NoBackground, <span class="keyword">true</span>);<a name="l00410"></a>00410 <a name="l00411"></a>00411 <a class="code" href="class_qwt_plot.html#afcc82150034fbeb393ceb9f54ba2f1a">canvas</a>.repaint(<a class="code" href="class_qwt_plot.html#afcc82150034fbeb393ceb9f54ba2f1a">canvas</a>.contentsRect());<a name="l00412"></a>00412 <a name="l00413"></a>00413 <span class="keywordflow">if</span> ( !erase && !noBackgroundMode )<a name="l00414"></a>00414 <a class="code" href="class_qwt_plot.html#afcc82150034fbeb393ceb9f54ba2f1a">canvas</a>.setAttribute(Qt::WA_NoBackground, <span class="keyword">false</span>);<a name="l00415"></a>00415 <span class="preprocessor">#else</span><a name="l00416"></a>00416 <span class="preprocessor"></span> <a class="code" href="class_qwt_plot.html#afcc82150034fbeb393ceb9f54ba2f1a">canvas</a>.repaint(<a class="code" href="class_qwt_plot.html#afcc82150034fbeb393ceb9f54ba2f1a">canvas</a>.contentsRect(), erase);<a name="l00417"></a>00417 <span class="preprocessor">#endif</span><a name="l00418"></a>00418 <span class="preprocessor"></span><a name="l00419"></a>00419 <a class="code" href="class_qwt_plot.html#654934ec2ad167101dacb5174f5172d6">setAutoReplot</a>(doAutoReplot);<a name="l00420"></a>00420 }<a name="l00421"></a>00421 <a name="l00426"></a><a class="code" href="class_qwt_plot.html#d470068832406086d6823109d8d7f050">00426</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot.html#d470068832406086d6823109d8d7f050">QwtPlot::updateLayout</a>()<a name="l00427"></a>00427 {<a name="l00428"></a>00428 d_data->layout->activate(<span class="keyword">this</span>, contentsRect());<a name="l00429"></a>00429 <a name="l00430"></a>00430 <span class="comment">//</span><a name="l00431"></a>00431 <span class="comment">// resize and show the visible widgets</span><a name="l00432"></a>00432 <span class="comment">//</span><a name="l00433"></a>00433 <span class="keywordflow">if</span> (!d_data->lblTitle->text().isEmpty())<a name="l00434"></a>00434 {<a name="l00435"></a>00435 d_data->lblTitle->setGeometry(d_data->layout->titleRect());<a name="l00436"></a>00436 <span class="keywordflow">if</span> (!d_data->lblTitle->isVisible())<a name="l00437"></a>00437 d_data->lblTitle->show();<a name="l00438"></a>00438 }<a name="l00439"></a>00439 <span class="keywordflow">else</span><a name="l00440"></a>00440 d_data->lblTitle->hide();<a name="l00441"></a>00441 <a name="l00442"></a>00442 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> axisId = 0; axisId < axisCnt; axisId++ )<a name="l00443"></a>00443 {<a name="l00444"></a>00444 <span class="keywordflow">if</span> (axisEnabled(axisId) )<a name="l00445"></a>00445 {<a name="l00446"></a>00446 axisWidget(axisId)->setGeometry(d_data->layout->scaleRect(axisId));<a name="l00447"></a>00447 <a name="l00448"></a>00448 <span class="keywordflow">if</span> ( axisId == xBottom || axisId == xTop )<a name="l00449"></a>00449 {<a name="l00450"></a>00450 QRegion r(d_data->layout->scaleRect(axisId));<a name="l00451"></a>00451 <span class="keywordflow">if</span> ( axisEnabled(yLeft) )<a name="l00452"></a>00452 r = r.subtract(QRegion(d_data->layout->scaleRect(yLeft)));<a name="l00453"></a>00453 <span class="keywordflow">if</span> ( axisEnabled(yRight) )<a name="l00454"></a>00454 r = r.subtract(QRegion(d_data->layout->scaleRect(yRight)));<a name="l00455"></a>00455 r.translate(-d_data->layout->scaleRect(axisId).x(), <a name="l00456"></a>00456 -d_data->layout->scaleRect(axisId).y());<a name="l00457"></a>00457 <a name="l00458"></a>00458 axisWidget(axisId)->setMask(r);<a name="l00459"></a>00459 }<a name="l00460"></a>00460 <span class="keywordflow">if</span> (!axisWidget(axisId)->isVisible())<a name="l00461"></a>00461 axisWidget(axisId)->show();<a name="l00462"></a>00462 }<a name="l00463"></a>00463 <span class="keywordflow">else</span><a name="l00464"></a>00464 axisWidget(axisId)->hide();<a name="l00465"></a>00465 }<a name="l00466"></a>00466 <a name="l00467"></a>00467 <span class="keywordflow">if</span> ( d_data->legend && <a name="l00468"></a>00468 d_data->layout->legendPosition() != ExternalLegend )<a name="l00469"></a>00469 {<a name="l00470"></a>00470 <span class="keywordflow">if</span> (d_data->legend->itemCount() > 0)<a name="l00471"></a>00471 {<a name="l00472"></a>00472 d_data->legend->setGeometry(d_data->layout->legendRect());<a name="l00473"></a>00473 d_data->legend->show();<a name="l00474"></a>00474 }<a name="l00475"></a>00475 <span class="keywordflow">else</span><a name="l00476"></a>00476 d_data->legend->hide();<a name="l00477"></a>00477 }<a name="l00478"></a>00478 <a name="l00479"></a>00479 d_data->canvas->setGeometry(d_data->layout->canvasRect());<a name="l00480"></a>00480 }<a name="l00481"></a>00481 <a name="l00490"></a><a class="code" href="class_qwt_plot.html#6455596162a69876a3504c0017531cf3">00490</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot.html#6455596162a69876a3504c0017531cf3">QwtPlot::updateTabOrder</a>()<a name="l00491"></a>00491 {<a name="l00492"></a>00492 <span class="preprocessor">#if QT_VERSION >= 0x040000</span><a name="l00493"></a>00493 <span class="preprocessor"></span> <span class="keyword">using namespace </span>Qt; <span class="comment">// QWidget::NoFocus/Qt::NoFocus</span><a name="l00494"></a>00494 <span class="preprocessor">#else</span><a name="l00495"></a>00495 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( d_data->canvas->focusPolicy() == NoFocus )<a name="l00496"></a>00496 <span class="keywordflow">return</span>;<a name="l00497"></a>00497 <span class="preprocessor">#endif</span><a name="l00498"></a>00498 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( d_data->legend.isNull() <a name="l00499"></a>00499 || d_data->layout->legendPosition() == ExternalLegend<a name="l00500"></a>00500 || d_data->legend->legendItems().count() == 0 )<a name="l00501"></a>00501 {<a name="l00502"></a>00502 <span class="keywordflow">return</span>;<a name="l00503"></a>00503 }<a name="l00504"></a>00504 <a name="l00505"></a>00505 <span class="comment">// Depending on the position of the legend the </span><a name="l00506"></a>00506 <span class="comment">// tab order will be changed that the canvas is</span><a name="l00507"></a>00507 <span class="comment">// next to the last legend item, or before</span><a name="l00508"></a>00508 <span class="comment">// the first one. </span><a name="l00509"></a>00509 <a name="l00510"></a>00510 <span class="keyword">const</span> <span class="keywordtype">bool</span> canvasFirst = <a name="l00511"></a>00511 d_data->layout->legendPosition() == QwtPlot::BottomLegend ||<a name="l00512"></a>00512 d_data->layout->legendPosition() == QwtPlot::RightLegend;<a name="l00513"></a>00513 <a name="l00514"></a>00514 QWidget *previous = NULL; <a name="l00515"></a>00515 <a name="l00516"></a>00516 QWidget *w;<a name="l00517"></a>00517 <span class="preprocessor">#if QT_VERSION >= 0x040000</span>⌨️ 快捷键说明
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