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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">Hmm.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">ActiveHand lastEvent “"[(798@340) mouseOver SHIFT nil nil]"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">ActiveHand instVarNamed: #lastEventBuffer "#(1 148008281 659 126 0 0 1 1)" “Timestamp is there, second element”<o:p></o:p></span></p>
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<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">I cannot see that the stamp is ever 0 from a raw event polled, and I guess that will (should) never happen?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">Ie; in HandMorph >> generateMouseEvent: line 15 “stamp = 0 ifTrue: [ stamp := Time milisecondClockValue ]” is dead/wrong code?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">So I guess that somewhere along the event dispatching/processing (after he event has been moved from the raw buffer into a MorphicEvent subclass
object) things are copied/translated without keeping the original timestamp intact.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">I found at least two places that causes the timestamp to be lost:
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"> MouseEvent >> asMoueMove (sets a new timestamp using Time)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"> MouseEvent >> asMouseOver
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">I think there are two bugs here<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:54.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">VM clock can differ from Image clock<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:54.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">Translating one event from another do not keep the original timestamp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">Henrik<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> squeak-dev-bounces@lists.squeakfoundation.org [mailto:squeak-dev-bounces@lists.squeakfoundation.org]
<b>On Behalf Of </b>Nicolai Hess<br>
<b>Sent:</b> Sunday, August 7, 2016 3:57 PM<br>
<b>To:</b> Pharo Development List <pharo-dev@lists.pharo.org>; The general-purpose Squeak developers list <squeak-dev@lists.squeakfoundation.org><br>
<b>Subject:</b> [squeak-dev] Windows Time millisecondClockValue (system start vs. image start)<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Hi, <o:p></o:p></p>
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<p class="MsoNormal">a call to <o:p></o:p></p>
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<p class="MsoNormal">Time millisecondClockValue <o:p></o:p></p>
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<p class="MsoNormal">gives the current milliseconds since the image started. Did this change ?<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">I have a windows squeak 4.4 VM where it gave the uptime of the system (on windows).<o:p></o:p></p>
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<p class="MsoNormal">Background:<o:p></o:p></p>
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<p class="MsoNormal">HandMorph generates some MouseOver and/or MouseMove events, and if the
<o:p></o:p></p>
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<p class="MsoNormal">timeStamp value is not set, it sets it to Time millisecondClockValue, but the "real" events have<o:p></o:p></p>
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<p class="MsoNormal">a time stamp of "milliseconds since system was booted".<o:p></o:p></p>
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<p class="MsoNormal"><br>
So, now it can happen that you have a real event (mouse click) at timeStamp (msecs since boot up)<br>
3000000<o:p></o:p></p>
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<p class="MsoNormal">and afterwards a generated mouseOver event with a time stamp since image startup<o:p></o:p></p>
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<p class="MsoNormal">2000000 (if the image started ~15 min after system boot).<o:p></o:p></p>
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<p class="MsoNormal">That is, a later event as a lower time stamp. This will disturb the event handling in<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">HandMorph>>#handleEvent: from:<o:p></o:p></p>
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<p class="MsoNormal">Somehow, (after having the image running for a long time ? I don't know). The time stamp<o:p></o:p></p>
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<p class="MsoNormal">for the generated events is allways much bigger than for the system events, and this<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">will make it impossible to detect double-click events.<o:p></o:p></p>
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<p class="MsoNormal">see issue <br>
<a href="https://pharo.fogbugz.com/f/cases/18859">https://pharo.fogbugz.com/f/cases/18859</a>
<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">and<br>
<a href="http://stackoverflow.com/questions/38700587/double-click-highlight-selection-in-pharo-5-0">http://stackoverflow.com/questions/38700587/double-click-highlight-selection-in-pharo-5-0</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">thanks<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">nicolai<o:p></o:p></p>
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