📄 qwt__picker_8cpp-source.html
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<a name="l00137"></a>00137 w->setBackgroundMode(Qt::NoBackground);<a name="l00138"></a>00138 <span class="preprocessor">#endif</span><a name="l00139"></a>00139 <span class="preprocessor"></span><a name="l00140"></a>00140 <span class="keyword">const</span> QRegion r(bm);<a name="l00141"></a>00141 setMask(r);<a name="l00142"></a>00142 <a name="l00143"></a>00143 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00144"></a>00144 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( bgMode != Qt::NoBackground )<a name="l00145"></a>00145 w->setBackgroundMode(bgMode);<a name="l00146"></a>00146 <a name="l00147"></a>00147 w->setUpdatesEnabled(doUpdate);<a name="l00148"></a>00148 <span class="preprocessor">#endif</span><a name="l00149"></a>00149 <span class="preprocessor"></span><a name="l00150"></a>00150 setShown(!r.isEmpty());<a name="l00151"></a>00151 }<a name="l00152"></a>00152 <a name="l00153"></a>00153 <span class="keywordtype">void</span> QwtPicker::PrivateData::PickerWidget::paintEvent(QPaintEvent *e)<a name="l00154"></a>00154 {<a name="l00155"></a>00155 QPainter painter(<span class="keyword">this</span>);<a name="l00156"></a>00156 <a name="l00157"></a>00157 <span class="keywordflow">if</span> ( d_type == RubberBand )<a name="l00158"></a>00158 {<a name="l00159"></a>00159 painter.setClipRegion(e->region());<a name="l00160"></a>00160 painter.setPen(d_picker->rubberBandPen());<a name="l00161"></a>00161 d_picker->drawRubberBand(&painter);<a name="l00162"></a>00162 }<a name="l00163"></a>00163 <a name="l00164"></a>00164 <span class="keywordflow">if</span> ( d_type == Text )<a name="l00165"></a>00165 {<a name="l00166"></a>00166 painter.setClipRegion(e->region());<a name="l00167"></a>00167 <span class="preprocessor">#if 0</span><a name="l00168"></a>00168 <span class="preprocessor"></span> painter.setPen(d_picker->trackerPen());<a name="l00169"></a>00169 d_picker->drawTracker(&painter);<a name="l00170"></a>00170 <span class="preprocessor">#else</span><a name="l00171"></a>00171 <span class="preprocessor"></span> painter.fillRect(e->rect(), QBrush(d_picker->trackerPen().color()));<a name="l00172"></a>00172 <span class="preprocessor">#endif</span><a name="l00173"></a>00173 <span class="preprocessor"></span> }<a name="l00174"></a>00174 }<a name="l00175"></a>00175 <a name="l00185"></a><a class="code" href="class_qwt_picker.html#f9a5f4b0e4b37e2f323e801aa9dd6fe1">00185</a> <a class="code" href="class_qwt_picker.html#f9a5f4b0e4b37e2f323e801aa9dd6fe1">QwtPicker::QwtPicker</a>(QWidget *parent):<a name="l00186"></a>00186 QObject(parent)<a name="l00187"></a>00187 {<a name="l00188"></a>00188 init(parent, NoSelection, NoRubberBand, AlwaysOff);<a name="l00189"></a>00189 }<a name="l00190"></a>00190 <a name="l00200"></a><a class="code" href="class_qwt_picker.html#d02f607bedf6ef3630f931fc6712db2f">00200</a> <a class="code" href="class_qwt_picker.html#f9a5f4b0e4b37e2f323e801aa9dd6fe1">QwtPicker::QwtPicker</a>(<span class="keywordtype">int</span> selectionFlags, <a class="code" href="class_qwt_picker.html#b36c79d8ff20aba5b778d2823c1f7894">RubberBand</a> rubberBand,<a name="l00201"></a>00201 <a class="code" href="class_qwt_picker.html#01be4d404ffc3a7b238b0d0aaeb66b93">DisplayMode</a> trackerMode, QWidget *parent):<a name="l00202"></a>00202 QObject(parent)<a name="l00203"></a>00203 {<a name="l00204"></a>00204 init(parent, selectionFlags, rubberBand, trackerMode);<a name="l00205"></a>00205 }<a name="l00206"></a>00206 <a name="l00208"></a><a class="code" href="class_qwt_picker.html#5d0906a0d3b12e0e44499f855cb9dab1">00208</a> <a class="code" href="class_qwt_picker.html#5d0906a0d3b12e0e44499f855cb9dab1">QwtPicker::~QwtPicker</a>()<a name="l00209"></a>00209 {<a name="l00210"></a>00210 setMouseTracking(<span class="keyword">false</span>);<a name="l00211"></a>00211 <span class="keyword">delete</span> d_data->stateMachine;<a name="l00212"></a>00212 <span class="keyword">delete</span> d_data->rubberBandWidget;<a name="l00213"></a>00213 <span class="keyword">delete</span> d_data->trackerWidget;<a name="l00214"></a>00214 <span class="keyword">delete</span> d_data;<a name="l00215"></a>00215 }<a name="l00216"></a>00216 <a name="l00218"></a>00218 <span class="keywordtype">void</span> QwtPicker::init(QWidget *parent, <span class="keywordtype">int</span> selectionFlags, <a name="l00219"></a>00219 RubberBand rubberBand, DisplayMode trackerMode)<a name="l00220"></a>00220 {<a name="l00221"></a>00221 d_data = <span class="keyword">new</span> PrivateData;<a name="l00222"></a>00222 <a name="l00223"></a>00223 d_data->rubberBandWidget = NULL;<a name="l00224"></a>00224 d_data->trackerWidget = NULL;<a name="l00225"></a>00225 <a name="l00226"></a>00226 d_data->rubberBand = rubberBand;<a name="l00227"></a>00227 d_data->enabled = <span class="keyword">false</span>;<a name="l00228"></a>00228 d_data->resizeMode = Stretch;<a name="l00229"></a>00229 d_data->trackerMode = AlwaysOff;<a name="l00230"></a>00230 d_data->isActive = <span class="keyword">false</span>;<a name="l00231"></a>00231 d_data->labelPosition = QPoint(-1, -1);<a name="l00232"></a>00232 d_data->mouseTracking = <span class="keyword">false</span>;<a name="l00233"></a>00233 <a name="l00234"></a>00234 d_data->stateMachine = NULL;<a name="l00235"></a>00235 <a class="code" href="class_qwt_picker.html#e93fe995c8c581ac33a9f3445ea5e7b9">setSelectionFlags</a>(selectionFlags);<a name="l00236"></a>00236 <a name="l00237"></a>00237 <span class="keywordflow">if</span> ( parent )<a name="l00238"></a>00238 {<a name="l00239"></a>00239 <span class="preprocessor">#if QT_VERSION >= 0x040000</span><a name="l00240"></a>00240 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( parent->focusPolicy() == Qt::NoFocus )<a name="l00241"></a>00241 parent->setFocusPolicy(Qt::WheelFocus);<a name="l00242"></a>00242 <span class="preprocessor">#else</span><a name="l00243"></a>00243 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( parent->focusPolicy() == QWidget::NoFocus )<a name="l00244"></a>00244 parent->setFocusPolicy(QWidget::WheelFocus);<a name="l00245"></a>00245 <span class="preprocessor">#endif</span><a name="l00246"></a>00246 <span class="preprocessor"></span><a name="l00247"></a>00247 d_data->trackerFont = parent->font();<a name="l00248"></a>00248 d_data->mouseTracking = parent->hasMouseTracking();<a name="l00249"></a>00249 <a class="code" href="class_qwt_picker.html#a590756369efae6ebf323302a0af5d36">setEnabled</a>(<span class="keyword">true</span>);<a name="l00250"></a>00250 }<a name="l00251"></a>00251 <a class="code" href="class_qwt_picker.html#94fc60c7223cdc470ae63156f6446d6f">setTrackerMode</a>(trackerMode);<a name="l00252"></a>00252 }<a name="l00253"></a>00253 <a name="l00257"></a>00257 <span class="keywordtype">void</span> QwtPicker::setStateMachine(<a class="code" href="class_qwt_picker_machine.html">QwtPickerMachine</a> *stateMachine)<a name="l00258"></a>00258 {<a name="l00259"></a>00259 <span class="keywordflow">if</span> ( d_data->stateMachine != <a class="code" href="class_qwt_picker.html#aad63b94d03f8ebb363ed51d7c2a0dd2">stateMachine</a> )<a name="l00260"></a>00260 {<a name="l00261"></a>00261 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_picker.html#f825f383c74928d1541f139e102983f9">isActive</a>() )<a name="l00262"></a>00262 <a class="code" href="class_qwt_picker.html#d258c518257cf2f52326905a36efb0c4">end</a>(<span class="keyword">false</span>);<a name="l00263"></a>00263 <a name="l00264"></a>00264 <span class="keyword">delete</span> d_data->stateMachine;<a name="l00265"></a>00265 d_data->stateMachine = <a class="code" href="class_qwt_picker.html#aad63b94d03f8ebb363ed51d7c2a0dd2">stateMachine</a>;<a name="l00266"></a>00266 <a name="l00267"></a>00267 <span class="keywordflow">if</span> ( d_data->stateMachine )<a name="l00268"></a>00268 d_data->stateMachine->reset();<a name="l00269"></a>00269 }<a name="l00270"></a>00270 }<a name="l00271"></a>00271 <a name="l00288"></a><a class="code" href="class_qwt_picker.html#aad63b94d03f8ebb363ed51d7c2a0dd2">00288</a> <a class="code" href="class_qwt_picker_machine.html">QwtPickerMachine</a> *<a class="code" href="class_qwt_picker.html#aad63b94d03f8ebb363ed51d7c2a0dd2">QwtPicker::stateMachine</a>(<span class="keywordtype">int</span> flags)<span class="keyword"> const</span><a name="l00289"></a>00289 <span class="keyword"></span>{<a name="l00290"></a>00290 <span class="keywordflow">if</span> ( flags & PointSelection )<a name="l00291"></a>00291 {<a name="l00292"></a>00292 <span class="keywordflow">if</span> ( flags & ClickSelection )<a name="l00293"></a>00293 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="class_qwt_picker_click_point_machine.html">QwtPickerClickPointMachine</a>;<a name="l00294"></a>00294 <span class="keywordflow">else</span><a name="l00295"></a>00295 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="class_qwt_picker_drag_point_machine.html">QwtPickerDragPointMachine</a>;<a name="l00296"></a>00296 }<a name="l00297"></a>00297 <span class="keywordflow">if</span> ( flags & RectSelection )<a name="l00298"></a>00298 {<a name="l00299"></a>00299 <span class="keywordflow">if</span> ( flags & ClickSelection )<a name="l00300"></a>00300 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="class_qwt_picker_click_rect_machine.html">QwtPickerClickRectMachine</a>;<a name="l00301"></a>00301 <span class="keywordflow">else</span><a name="l00302"></a>00302 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="class_qwt_picker_drag_rect_machine.html">QwtPickerDragRectMachine</a>;<a name="l00303"></a>00303 }<a name="l00304"></a>00304 <span class="keywordflow">if</span> ( flags & PolygonSelection )<a name="l00305"></a>00305 {<a name="l00306"></a>00306 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="class_qwt_picker_polygon_machine.html">QwtPickerPolygonMachine</a>();<a name="l00307"></a>00307 }<a name="l00308"></a>00308 <span class="keywordflow">return</span> NULL;<a name="l00309"></a>00309 }<a name="l00310"></a>00310 <a name="l00312"></a><a class="code" href="class_qwt_picker.html#da0c12257e006f0066d22c3eb83f667e">00312</a> QWidget *<a class="code" href="class_qwt_picker.html#da0c12257e006f0066d22c3eb83f667e">QwtPicker::parentWidget</a>()<a name="l00313"></a>00313 {<a name="l00314"></a>00314 QObject *obj = parent();<a name="l00315"></a>00315 <span class="keywordflow">if</span> ( obj && obj->isWidgetType() )<a name="l00316"></a>00316 <span class="keywordflow">return</span> (QWidget *)obj;<a name="l00317"></a>00317 <a name="l00318"></a>00318 <span class="keywordflow">return</span> NULL;<a name="l00319"></a>00319 }<a name="l00320"></a>00320 <a name="l00322"></a><a class="code" href="class_qwt_picker.html#250dc5daf40a049f8db1f7ed730802d3">00322</a> <span class="keyword">const</span> QWidget *<a class="code" href="class_qwt_picker.html#da0c12257e006f0066d22c3eb83f667e">QwtPicker::parentWidget</a>()<span class="keyword"> const</span><a name="l00323"></a>00323 <span class="keyword"></span>{<a name="l00324"></a>00324 QObject *obj = parent();<a name="l00325"></a>00325 <span class="keywordflow">if</span> ( obj && obj->isWidgetType() )<a name="l00326"></a>00326 <span class="keywordflow">return</span> (QWidget *)obj;<a name="l00327"></a>00327 ⌨️ 快捷键说明
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