📄 qwt__abstract__slider_8cpp-source.html
字号:
<a name="l00183"></a>00183 }<a name="l00184"></a>00184 }<a name="l00185"></a>00185 <a name="l00186"></a>00186 <a name="l00188"></a>00188 <span class="keywordtype">void</span> QwtAbstractSlider::buttonReleased()<a name="l00189"></a>00189 {<a name="l00190"></a>00190 <span class="keywordflow">if</span> ((!d_data->tracking) || (<a class="code" href="class_qwt_double_range.html#7777cf257c812579c4891512f1b6cad0">value</a>() != <a class="code" href="class_qwt_double_range.html#38768187bef94dd5e5a2c8664746b365">prevValue</a>()))<a name="l00191"></a>00191 emit <a class="code" href="class_qwt_abstract_slider.html#6bc5c410cd56119c6ad50743c9a46af1">valueChanged</a>(<a class="code" href="class_qwt_double_range.html#7777cf257c812579c4891512f1b6cad0">value</a>());<a name="l00192"></a>00192 }<a name="l00193"></a>00193 <a name="l00194"></a>00194 <a name="l00196"></a><a class="code" href="class_qwt_abstract_slider.html#8f27604396c9d2544931638b806c13e3">00196</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_slider.html#8f27604396c9d2544931638b806c13e3">QwtAbstractSlider::mouseReleaseEvent</a>(QMouseEvent *e)<a name="l00197"></a>00197 {<a name="l00198"></a>00198 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_abstract_slider.html#040fd1fd03592c524314bf4b5539608d">isReadOnly</a>() )<a name="l00199"></a>00199 {<a name="l00200"></a>00200 e->ignore();<a name="l00201"></a>00201 <span class="keywordflow">return</span>;<a name="l00202"></a>00202 }<a name="l00203"></a>00203 <span class="keywordflow">if</span> ( !<a class="code" href="class_qwt_abstract_slider.html#87c750f098cb5f70306a7908339cb88e">isValid</a>() )<a name="l00204"></a>00204 <span class="keywordflow">return</span>;<a name="l00205"></a>00205 <a name="l00206"></a>00206 <span class="keyword">const</span> <span class="keywordtype">double</span> inc = <a class="code" href="class_qwt_double_range.html#0cb8cc60548c10cb1d98e54387961967">step</a>();<a name="l00207"></a>00207 <a name="l00208"></a>00208 <span class="keywordflow">switch</span>(d_data->scrollMode) <a name="l00209"></a>00209 {<a name="l00210"></a>00210 <span class="keywordflow">case</span> ScrMouse:<a name="l00211"></a>00211 {<a name="l00212"></a>00212 <a class="code" href="class_qwt_abstract_slider.html#f9849c5c21412c7308cac6ad6a420e47">setPosition</a>(e->pos());<a name="l00213"></a>00213 d_data->direction = 0;<a name="l00214"></a>00214 d_data->mouseOffset = 0;<a name="l00215"></a>00215 <span class="keywordflow">if</span> (d_data->mass > 0.0) <a name="l00216"></a>00216 {<a name="l00217"></a>00217 <span class="keyword">const</span> <span class="keywordtype">int</span> ms = d_data->time.elapsed();<a name="l00218"></a>00218 <span class="keywordflow">if</span> ((fabs(d_data->speed) > 0.0) && (ms < 50))<a name="l00219"></a>00219 d_data->tmrID = startTimer(d_data->updTime);<a name="l00220"></a>00220 }<a name="l00221"></a>00221 <span class="keywordflow">else</span><a name="l00222"></a>00222 {<a name="l00223"></a>00223 d_data->scrollMode = ScrNone;<a name="l00224"></a>00224 buttonReleased();<a name="l00225"></a>00225 }<a name="l00226"></a>00226 emit <a class="code" href="class_qwt_abstract_slider.html#b94184da7a029a5f586671251ff380ea">sliderReleased</a>();<a name="l00227"></a>00227 <a name="l00228"></a>00228 <span class="keywordflow">break</span>;<a name="l00229"></a>00229 }<a name="l00230"></a>00230 <a name="l00231"></a>00231 <span class="keywordflow">case</span> ScrDirect:<a name="l00232"></a>00232 {<a name="l00233"></a>00233 <a class="code" href="class_qwt_abstract_slider.html#f9849c5c21412c7308cac6ad6a420e47">setPosition</a>(e->pos());<a name="l00234"></a>00234 d_data->direction = 0;<a name="l00235"></a>00235 d_data->mouseOffset = 0;<a name="l00236"></a>00236 d_data->scrollMode = ScrNone;<a name="l00237"></a>00237 buttonReleased();<a name="l00238"></a>00238 <span class="keywordflow">break</span>;<a name="l00239"></a>00239 }<a name="l00240"></a>00240 <a name="l00241"></a>00241 <span class="keywordflow">case</span> ScrPage:<a name="l00242"></a>00242 {<a name="l00243"></a>00243 <a class="code" href="class_qwt_abstract_slider.html#b648229c972d0c3258d30b0c43eb5efc">stopMoving</a>();<a name="l00244"></a>00244 <span class="keywordflow">if</span> (!d_data->timerTick)<a name="l00245"></a>00245 <a class="code" href="class_qwt_double_range.html#19b85337d4ab0b5f0579b02e4fb29a8f">QwtDoubleRange::incPages</a>(d_data->direction);<a name="l00246"></a>00246 d_data->timerTick = 0;<a name="l00247"></a>00247 buttonReleased();<a name="l00248"></a>00248 d_data->scrollMode = ScrNone;<a name="l00249"></a>00249 <span class="keywordflow">break</span>;<a name="l00250"></a>00250 }<a name="l00251"></a>00251 <a name="l00252"></a>00252 <span class="keywordflow">case</span> ScrTimer:<a name="l00253"></a>00253 {<a name="l00254"></a>00254 <a class="code" href="class_qwt_abstract_slider.html#b648229c972d0c3258d30b0c43eb5efc">stopMoving</a>();<a name="l00255"></a>00255 <span class="keywordflow">if</span> (!d_data->timerTick)<a name="l00256"></a>00256 <a class="code" href="class_qwt_double_range.html#63bc8ea5e7ecd776b7d32d21db1ea668">QwtDoubleRange::fitValue</a>(<a class="code" href="class_qwt_double_range.html#7777cf257c812579c4891512f1b6cad0">value</a>() + <span class="keywordtype">double</span>(d_data->direction) * inc);<a name="l00257"></a>00257 d_data->timerTick = 0;<a name="l00258"></a>00258 buttonReleased();<a name="l00259"></a>00259 d_data->scrollMode = ScrNone;<a name="l00260"></a>00260 <span class="keywordflow">break</span>;<a name="l00261"></a>00261 }<a name="l00262"></a>00262 <a name="l00263"></a>00263 <span class="keywordflow">default</span>:<a name="l00264"></a>00264 {<a name="l00265"></a>00265 d_data->scrollMode = ScrNone;<a name="l00266"></a>00266 buttonReleased();<a name="l00267"></a>00267 }<a name="l00268"></a>00268 }<a name="l00269"></a>00269 }<a name="l00270"></a>00270 <a name="l00271"></a>00271 <a name="l00276"></a><a class="code" href="class_qwt_abstract_slider.html#f9849c5c21412c7308cac6ad6a420e47">00276</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_slider.html#f9849c5c21412c7308cac6ad6a420e47">QwtAbstractSlider::setPosition</a>(<span class="keyword">const</span> QPoint &p) <a name="l00277"></a>00277 {<a name="l00278"></a>00278 <a class="code" href="class_qwt_double_range.html#63bc8ea5e7ecd776b7d32d21db1ea668">QwtDoubleRange::fitValue</a>(<a class="code" href="class_qwt_abstract_slider.html#6e26a993536813c2d9846a28f3c27aa7">getValue</a>(p) - d_data->mouseOffset);<a name="l00279"></a>00279 }<a name="l00280"></a>00280 <a name="l00281"></a>00281 <a name="l00296"></a><a class="code" href="class_qwt_abstract_slider.html#91c03aada61745d8924f47319afefee1">00296</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_slider.html#91c03aada61745d8924f47319afefee1">QwtAbstractSlider::setTracking</a>(<span class="keywordtype">bool</span> enable)<a name="l00297"></a>00297 {<a name="l00298"></a>00298 d_data->tracking = enable;<a name="l00299"></a>00299 }<a name="l00300"></a>00300 <a name="l00305"></a><a class="code" href="class_qwt_abstract_slider.html#f9599b94c6771181ede59a84e33c0e6e">00305</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_slider.html#f9599b94c6771181ede59a84e33c0e6e">QwtAbstractSlider::mouseMoveEvent</a>(QMouseEvent *e)<a name="l00306"></a>00306 {<a name="l00307"></a>00307 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_abstract_slider.html#040fd1fd03592c524314bf4b5539608d">isReadOnly</a>() )<a name="l00308"></a>00308 {<a name="l00309"></a>00309 e->ignore();<a name="l00310"></a>00310 <span class="keywordflow">return</span>;<a name="l00311"></a>00311 }<a name="l00312"></a>00312 <a name="l00313"></a>00313 <span class="keywordflow">if</span> ( !<a class="code" href="class_qwt_abstract_slider.html#87c750f098cb5f70306a7908339cb88e">isValid</a>() )<a name="l00314"></a>00314 <span class="keywordflow">return</span>;<a name="l00315"></a>00315 <a name="l00316"></a>00316 <span class="keywordflow">if</span> (d_data->scrollMode == ScrMouse )<a name="l00317"></a>00317 {<a name="l00318"></a>00318 <a class="code" href="class_qwt_abstract_slider.html#f9849c5c21412c7308cac6ad6a420e47">setPosition</a>(e->pos());<a name="l00319"></a>00319 <span class="keywordflow">if</span> (d_data->mass > 0.0) <a name="l00320"></a>00320 {<a name="l00321"></a>00321 <span class="keywordtype">double</span> ms = double(d_data->time.elapsed());<a name="l00322"></a>00322 <span class="keywordflow">if</span> (ms < 1.0) <a name="l00323"></a>00323 ms = 1.0;<a name="l00324"></a>00324 d_data->speed = (<a class="code" href="class_qwt_double_range.html#705b76d28882d37bc5313d6c38c9a720">exactValue</a>() - <a class="code" href="class_qwt_double_range.html#595c04ed863eb7f0adaf94440087fe0a">exactPrevValue</a>()) / ms;<a name="l00325"></a>00325 d_data->time.start();<a name="l00326"></a>00326 }<a name="l00327"></a>00327 <span class="keywordflow">if</span> (<a class="code" href="class_qwt_double_range.html#7777cf257c812579c4891512f1b6cad0">value</a>() != <a class="code" href="class_qwt_double_range.html#38768187bef94dd5e5a2c8664746b365">prevValue</a>())<a name="l00328"></a>00328 emit <a class="code" href="class_qwt_abstract_slider.html#e59671d27931b545073e599a10967452">sliderMoved</a>(<a class="code" href="class_qwt_double_range.html#7777cf257c812579c4891512f1b6cad0">value</a>());<a name="l00329"></a>00329 }<a name="l00330"></a>00330 }<a name="l00331"></a>00331 <a name="l00336"></a><a class="code" href="class_qwt_abstract_slider.html#25d5c9fe00c81e310304461fa6e8ec97">00336</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_slider.html#25d5c9fe00c81e310304461fa6e8ec97">QwtAbstractSlider::wheelEvent</a>(QWheelEvent *e)<a name="l00337"></a>00337 {<a name="l00338"></a>00338 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_abstract_slider.html#040fd1fd03592c524314bf4b5539608d">isReadOnly</a>() )<a name="l00339"></a>00339 {<a name="l00340"></a>00340 e->ignore();<a name="l00341"></a>00341 <span class="keywordflow">return</span>;<a name="l00342"></a>00342 }<a name="l00343"></a>00343 <a name="l00344"></a>00344 <span class="keywordflow">if</span> ( !<a class="code" href="class_qwt_abstract_slider.html#87c750f098cb5f70306a7908339cb88e">isValid</a>() )<a name="l00345"></a>00345 <span class="keywordflow">return</span>;<a name="l00346"></a>00346 <a name="l00347"></a>00347 <span class="keywordtype">int</span> mode = ScrNone, direction = 0;<a name="l00348"></a>00348 <a name="l00349"></a>00349 <span class="comment">// Give derived classes a chance to say ScrNone</span><a name="l00350"></a>00350 <a class="code" href="class_qwt_abstract_slider.html#dcb6819c88cfa27e9ea3d8828479ea0b">getScrollMode</a>(e->pos(), mode, direction);<a name="l00351"></a>00351 <span class="keywordflow">if</span> ( mode != ScrNone )<a name="l00352"></a>00352 {<a name="l00353"></a>00353 <span class="keyword">const</span> <span class="keywordtype">int</span> inc = e->delta() / WHEEL_DELTA;<a name="l00354"></a>00354 <a class="code" href="class_qwt_double_range.html#19b85337d4ab0b5f0579b02e4fb29a8f">QwtDoubleRange::incPages</a>(inc);<a name="l00355"></a>00355 <span class="keywordflow">if</span> (<a class="code" href="class_qwt_double_range.html#7777cf257c812579c4891512f1b6cad0">value</a>() != <a class="code" href="class_qwt_double_range.html#38768187bef94dd5e5a2c8664746b365">prevValue</a>())<a name="l00356"></a>00356 emit <a class="code" href="class_qwt_abstract_slider.html#e59671d27931b545073e599a10967452">sliderMoved</a>(<a class="code" href="class_qwt_double_range.html#7777cf257c812579c4891512f1b6cad0">value</a>());<a name="l00357"></a>00357 }<a name="l00358"></a>00358 }<a name="l00359"></a>00359 <a name="l00371"></a><a class="code" href="class_qwt_abstract_slider.html#4d55f8ffab93d8610bc026e00e3bdc81">00371</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_slider.html#4d55f8ffab93d8610bc026e00e3bdc81">QwtAbstractSlider::keyPressEvent</a>(QKeyEvent *e)<a name="l00372"></a>00372 {<a name="l00373"></a>00373 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_abstract_slider.html#040fd1fd03592c524314bf4b5539608d">isReadOnly</a>() )<a name="l00374"></a>00374 {<a name="l00375"></a>00375 e->ignore();<a name="l00376"></a>00376 <span class="keywordflow">return</span>;<a name="l00377"></a>00377 }<a name="l00378"></a>00378 ⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -