<div dir="ltr"><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">I have a class that extend vtkChartXY and I've tried to override its<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"> MouseMoveEvent(). I've added the following line</span></div><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">
<span></span>
<p class="gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(112,61,170)"><span style="background-color:rgb(249,203,156)"><span class="gmail-s1" style="color:rgb(186,45,162)">if</span><span class="gmail-s2" style="color:rgb(0,0,0)">(mouse.</span><span class="gmail-s3" style="color:rgb(62,30,129)">GetButton</span><span class="gmail-s2" style="color:rgb(0,0,0)">()== </span>vtkContextMouseEvent<span class="gmail-s2" style="color:rgb(0,0,0)">::</span><span class="gmail-s3" style="color:rgb(62,30,129)">LEFT_BUTTON</span><span class="gmail-s2" style="color:rgb(0,0,0)">)</span></span></p>
to intercept the start of the dragging event, but it returns false. </div><div class="gmail_default" style="font-family:trebuchet ms,sans-serif"><br></div><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">The only condition that returns true put in that function is this one</div><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">
<span style="background-color:rgb(249,203,156)"><span></span>
</span><p class="gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(112,61,170)"><span style="background-color:rgb(249,203,156)"><span class="gmail-s1" style="color:rgb(186,45,162)">if</span><span class="gmail-s2" style="color:rgb(0,0,0)">(mouse.</span><span class="gmail-s3" style="color:rgb(62,30,129)">GetButton</span><span class="gmail-s2" style="color:rgb(0,0,0)">()== </span>vtkContextMouseEvent<span class="gmail-s2" style="color:rgb(0,0,0)">::</span><span class="gmail-s3" style="color:rgb(62,30,129)">NO_BUTTON</span><span class="gmail-s2" style="color:rgb(0,0,0)">)</span></span></p>
<br></div><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">I know something is missing but I can't understand what 😅</div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><i><font color="#0b5394"><span></span><span></span>Martina</font></i></div></div></div></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">2018-05-04 14:05 GMT+02:00 Paul Douglas Hahn <span dir="ltr"><<a href="mailto:pdhahn@comcast.net" target="_blank">pdhahn@comcast.net</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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You can override the MouseMoveEvent() method in your subclass of
vtkChartXY.<div><div class="h5"><br>
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<div class="m_-7110634992443244356moz-cite-prefix">On 05/04/2018 04:46 AM, Martina
Litterio wrote:<br>
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<div class="gmail_default" style="font-family:trebuchet ms,sans-serif">Updates: I'm finally able to show a tooltip
when I left click on my vtkChartXY.</div>
<div class="gmail_default" style="font-family:trebuchet ms,sans-serif">My problem now is that I would like that the
tooltip changes its values when I drag the point with the
mouse.</div>
<div class="gmail_default" style="font-family:trebuchet ms,sans-serif">How can I intercept that event?</div>
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<div dir="ltr"><i><font color="#0b5394"><span></span><span></span>Martina</font></i></div>
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<div class="gmail_quote">2018-05-04 9:53 GMT+02:00 Martina
Litterio <span dir="ltr"><<a href="mailto:litteriomartina@gmail.com" target="_blank">litteriomartina@gmail.com</a>></span>:<br>
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<div class="gmail_default" style="font-family:trebuchet ms,sans-serif">Hello everybody!</div>
<div class="gmail_default" style="font-family:trebuchet ms,sans-serif"><br>
</div>
<div class="gmail_default" style="font-family:trebuchet ms,sans-serif">I have a vtkChartXY like the which one in
figure and I would like to add a tooltip when I select a
point with the mouse left button. Is it possible? I've
tried a little bit, but I failed!</div>
<div class="gmail_default" style="font-family:trebuchet ms,sans-serif">Thank you for the help!</div>
<span class="m_-7110634992443244356HOEnZb"><font color="#888888">
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<div dir="ltr"><i><font color="#0b5394"><span></span><span></span>Martina</font></i></div>
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