📄 qwt__dyngrid__layout_8cpp-source.html
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<a name="l00148"></a>00148 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00149"></a>00149 <span class="preprocessor"></span> d_data->expanding = QSizePolicy::NoDirection;<a name="l00150"></a>00150 setSupportsMargin(<span class="keyword">true</span>);<a name="l00151"></a>00151 <span class="preprocessor">#else</span><a name="l00152"></a>00152 <span class="preprocessor"></span> d_data->expanding = 0;<a name="l00153"></a>00153 <span class="preprocessor">#endif</span><a name="l00154"></a>00154 <span class="preprocessor"></span>}<a name="l00155"></a>00155 <a name="l00157"></a>00157 <a name="l00158"></a><a class="code" href="class_qwt_dyn_grid_layout.html#bb583f302fbf5d92b306841d414e52a4">00158</a> <a class="code" href="class_qwt_dyn_grid_layout.html#bb583f302fbf5d92b306841d414e52a4">QwtDynGridLayout::~QwtDynGridLayout</a>()<a name="l00159"></a>00159 {<a name="l00160"></a>00160 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00161"></a>00161 <span class="preprocessor"></span> deleteAllItems(); <a name="l00162"></a>00162 <span class="preprocessor">#endif</span><a name="l00163"></a>00163 <span class="preprocessor"></span><a name="l00164"></a>00164 <span class="keyword">delete</span> d_data;<a name="l00165"></a>00165 }<a name="l00166"></a>00166 <a name="l00167"></a><a class="code" href="class_qwt_dyn_grid_layout.html#cb55e24d5bc569c9822110d538e3a82e">00167</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dyn_grid_layout.html#cb55e24d5bc569c9822110d538e3a82e">QwtDynGridLayout::invalidate</a>()<a name="l00168"></a>00168 {<a name="l00169"></a>00169 d_data->isDirty = <span class="keyword">true</span>;<a name="l00170"></a>00170 QLayout::invalidate();<a name="l00171"></a>00171 }<a name="l00172"></a>00172 <a name="l00173"></a>00173 <span class="keywordtype">void</span> QwtDynGridLayout::updateLayoutCache()<a name="l00174"></a>00174 {<a name="l00175"></a>00175 d_data->itemSizeHints.resize(<a class="code" href="class_qwt_dyn_grid_layout.html#d7df7a3f47055041d6dd5ab1c4c660e0">itemCount</a>());<a name="l00176"></a>00176 <a name="l00177"></a>00177 <span class="keywordtype">int</span> index = 0;<a name="l00178"></a>00178 <a name="l00179"></a>00179 <span class="keywordflow">for</span> (PrivateData::LayoutItemList::iterator it = d_data->itemList.begin();<a name="l00180"></a>00180 it != d_data->itemList.end(); ++it, index++)<a name="l00181"></a>00181 {<a name="l00182"></a>00182 d_data->itemSizeHints[<span class="keywordtype">int</span>(index)] = (*it)->sizeHint();<a name="l00183"></a>00183 }<a name="l00184"></a>00184 <a name="l00185"></a>00185 d_data->isDirty = <span class="keyword">false</span>;<a name="l00186"></a>00186 }<a name="l00187"></a>00187 <a name="l00194"></a><a class="code" href="class_qwt_dyn_grid_layout.html#edec17be16b997ecd1acff8424e02843">00194</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dyn_grid_layout.html#edec17be16b997ecd1acff8424e02843">QwtDynGridLayout::setMaxCols</a>(uint maxCols)<a name="l00195"></a>00195 {<a name="l00196"></a>00196 d_data->maxCols = maxCols;<a name="l00197"></a>00197 }<a name="l00198"></a>00198 <a name="l00205"></a><a class="code" href="class_qwt_dyn_grid_layout.html#6ffaad457d8c9b4d423c23fb6b433299">00205</a> uint <a class="code" href="class_qwt_dyn_grid_layout.html#6ffaad457d8c9b4d423c23fb6b433299">QwtDynGridLayout::maxCols</a>()<span class="keyword"> const </span><a name="l00206"></a>00206 <span class="keyword"></span>{ <a name="l00207"></a>00207 <span class="keywordflow">return</span> d_data->maxCols; <a name="l00208"></a>00208 }<a name="l00209"></a>00209 <a name="l00211"></a>00211 <a name="l00212"></a><a class="code" href="class_qwt_dyn_grid_layout.html#3ac3ace65c84e16fba7fe83cd795eea1">00212</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dyn_grid_layout.html#3ac3ace65c84e16fba7fe83cd795eea1">QwtDynGridLayout::addItem</a>(QLayoutItem *item)<a name="l00213"></a>00213 {<a name="l00214"></a>00214 d_data->itemList.append(item);<a name="l00215"></a>00215 <a class="code" href="class_qwt_dyn_grid_layout.html#cb55e24d5bc569c9822110d538e3a82e">invalidate</a>();<a name="l00216"></a>00216 }<a name="l00217"></a>00217 <a name="l00222"></a><a class="code" href="class_qwt_dyn_grid_layout.html#755f41277b43417d6b719704dc2c0d29">00222</a> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_dyn_grid_layout.html#755f41277b43417d6b719704dc2c0d29">QwtDynGridLayout::isEmpty</a>()<span class="keyword"> const</span><a name="l00223"></a>00223 <span class="keyword"></span>{<a name="l00224"></a>00224 <span class="keywordflow">return</span> d_data->itemList.isEmpty();<a name="l00225"></a>00225 }<a name="l00226"></a>00226 <a name="l00231"></a><a class="code" href="class_qwt_dyn_grid_layout.html#d7df7a3f47055041d6dd5ab1c4c660e0">00231</a> uint <a class="code" href="class_qwt_dyn_grid_layout.html#d7df7a3f47055041d6dd5ab1c4c660e0">QwtDynGridLayout::itemCount</a>()<span class="keyword"> const</span><a name="l00232"></a>00232 <span class="keyword"></span>{<a name="l00233"></a>00233 <span class="keywordflow">return</span> d_data->itemList.count();<a name="l00234"></a>00234 }<a name="l00235"></a>00235 <a name="l00236"></a>00236 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00237"></a>00237 <span class="preprocessor"></span><a name="l00241"></a>00241 QLayoutIterator QwtDynGridLayout::iterator()<a name="l00242"></a>00242 { <a name="l00243"></a>00243 <span class="keywordflow">return</span> QLayoutIterator( <a name="l00244"></a>00244 <span class="keyword">new</span> QwtDynGridLayout::PrivateData::LayoutIterator(d_data) );<a name="l00245"></a>00245 }<a name="l00246"></a>00246 <a name="l00255"></a>00255 <span class="keywordtype">void</span> QwtDynGridLayout::setExpanding(QSizePolicy::ExpandData expanding)<a name="l00256"></a>00256 {<a name="l00257"></a>00257 d_data->expanding = expanding;<a name="l00258"></a>00258 }<a name="l00259"></a>00259 <a name="l00268"></a>00268 QSizePolicy::ExpandData QwtDynGridLayout::expanding()<span class="keyword"> const</span><a name="l00269"></a>00269 <span class="keyword"></span>{<a name="l00270"></a>00270 <span class="keywordflow">return</span> d_data->expanding;<a name="l00271"></a>00271 }<a name="l00272"></a>00272 <a name="l00273"></a>00273 <span class="preprocessor">#else // QT_VERSION >= 0x040000</span><a name="l00274"></a>00274 <span class="preprocessor"></span><a name="l00275"></a><a class="code" href="class_qwt_dyn_grid_layout.html#dbec8dc847c4159d0765c8f0dd80d148">00275</a> QLayoutItem *<a class="code" href="class_qwt_dyn_grid_layout.html#dbec8dc847c4159d0765c8f0dd80d148">QwtDynGridLayout::itemAt</a>( <span class="keywordtype">int</span> index )<span class="keyword"> const</span><a name="l00276"></a>00276 <span class="keyword"></span>{<a name="l00277"></a>00277 <span class="keywordflow">if</span> ( index < 0 || index >= d_data->itemList.count() )<a name="l00278"></a>00278 <span class="keywordflow">return</span> NULL;<a name="l00279"></a>00279 <a name="l00280"></a>00280 <span class="keywordflow">return</span> d_data->itemList.at(index);<a name="l00281"></a>00281 }<a name="l00282"></a>00282 <a name="l00283"></a><a class="code" href="class_qwt_dyn_grid_layout.html#d16c097bc1563eb1587e12789498bac9">00283</a> QLayoutItem *<a class="code" href="class_qwt_dyn_grid_layout.html#d16c097bc1563eb1587e12789498bac9">QwtDynGridLayout::takeAt</a>( <span class="keywordtype">int</span> index )<a name="l00284"></a>00284 {<a name="l00285"></a>00285 <span class="keywordflow">if</span> ( index < 0 || index >= d_data->itemList.count() )<a name="l00286"></a>00286 <span class="keywordflow">return</span> NULL;<a name="l00287"></a>00287 <a name="l00288"></a>00288 d_data->isDirty = <span class="keyword">true</span>;<a name="l00289"></a>00289 <span class="keywordflow">return</span> d_data->itemList.takeAt(index);<a name="l00290"></a>00290 }<a name="l00291"></a>00291 <a name="l00292"></a><a class="code" href="class_qwt_dyn_grid_layout.html#9a74593721ef1eba3d70275c36500ff6">00292</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_dyn_grid_layout.html#9a74593721ef1eba3d70275c36500ff6">QwtDynGridLayout::count</a>()<span class="keyword"> const</span><a name="l00293"></a>00293 <span class="keyword"></span>{<a name="l00294"></a>00294 <span class="keywordflow">return</span> d_data->itemList.count();<a name="l00295"></a>00295 }<a name="l00296"></a>00296 <a name="l00297"></a><a class="code" href="class_qwt_dyn_grid_layout.html#56cd48dda979428402dd39d470674dee">00297</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dyn_grid_layout.html#56cd48dda979428402dd39d470674dee">QwtDynGridLayout::setExpandingDirections</a>(Qt::Orientations expanding)<a name="l00298"></a>00298 {<a name="l00299"></a>00299 d_data->expanding = expanding;<a name="l00300"></a>00300 }<a name="l00301"></a>00301 <a name="l00302"></a><a class="code" href="class_qwt_dyn_grid_layout.html#1340bdbdaf09f79ac9e80f96f1b8b106">00302</a> Qt::Orientations <a class="code" href="class_qwt_dyn_grid_layout.html#1340bdbdaf09f79ac9e80f96f1b8b106">QwtDynGridLayout::expandingDirections</a>()<span class="keyword"> const</span><a name="l00303"></a>00303 <span class="keyword"></span>{<a name="l00304"></a>00304 <span class="keywordflow">return</span> d_data->expanding;<a name="l00305"></a>00305 }<a name="l00306"></a>00306 <a name="l00307"></a>00307 <span class="preprocessor">#endif</span><a name="l00308"></a>00308 <span class="preprocessor"></span><a name="l00314"></a><a class="code" href="class_qwt_dyn_grid_layout.html#fdf23bb94de5258f14fb077b39a64391">00314</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dyn_grid_layout.html#fdf23bb94de5258f14fb077b39a64391">QwtDynGridLayout::setGeometry</a>(<span class="keyword">const</span> QRect &rect)<a name="l00315"></a>00315 {<a name="l00316"></a>00316 QLayout::setGeometry(rect);<a name="l00317"></a>00317 <a name="l00318"></a>00318 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_dyn_grid_layout.html#755f41277b43417d6b719704dc2c0d29">isEmpty</a>() )<a name="l00319"></a>00319 <span class="keywordflow">return</span>;<a name="l00320"></a>00320 <a name="l00321"></a>00321 d_data->numCols = <a class="code" href="class_qwt_dyn_grid_layout.html#df7cc1acc36b41086fb4815633473901">columnsForWidth</a>(rect.width());<a name="l00322"></a>00322 d_data->numRows = <a class="code" href="class_qwt_dyn_grid_layout.html#d7df7a3f47055041d6dd5ab1c4c660e0">itemCount</a>() / d_data->numCols;<a name="l00323"></a>00323 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_dyn_grid_layout.html#d7df7a3f47055041d6dd5ab1c4c660e0">itemCount</a>() % d_data->numCols )<a name="l00324"></a>00324 d_data->numRows++;<a name="l00325"></a>00325 <a name="l00326"></a>00326 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00327"></a>00327 <span class="preprocessor"></span> QValueList<QRect> itemGeometries = <a class="code" href="class_qwt_dyn_grid_layout.html#0fe5c2a70d1086036fac2487cc982341">layoutItems</a>(rect, d_data->numCols);<a name="l00328"></a>00328 <span class="preprocessor">#else</span><a name="l00329"></a>00329 <span class="preprocessor"></span> QList<QRect> itemGeometries = <a class="code" href="class_qwt_dyn_grid_layout.html#0fe5c2a70d1086036fac2487cc982341">layoutItems</a>(rect, d_data->numCols);<a name="l00330"></a>00330 <span class="preprocessor">#endif</span><a name="l00331"></a>00331 <span class="preprocessor"></span><a name="l00332"></a>00332 <span class="keywordtype">int</span> index = 0;<a name="l00333"></a>00333 <span class="keywordflow">for</span> (PrivateData::LayoutItemList::iterator it = d_data->itemList.begin();<a name="l00334"></a>00334 it != d_data->itemList.end(); ++it)<a name="l00335"></a>00335 {<a name="l00336"></a>00336 QWidget *w = (*it)->widget();<a name="l00337"></a>00337 <span class="keywordflow">if</span> ( w )<a name="l00338"></a>00338 {⌨️ 快捷键说明
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