Ok. Here is what`s going on. Since IUP has a dynamic layout there are several "sizes" when using rastersize. The SIZE attribute documentation and the Guide/Layout documentation describe them.
I modified your code a little bit, just for clarity, and there are a few stages: Before map 500x500 - this is the user size (the size the app set), since the control is not mapped yet In map_cb nil - this is the current size, since it is mapped, but the dialog layout was not computed yet After map 500x500 - this is the current size, and the layout was computed Before 3.14, the layout was computed before the elements were mapped. This had several side effects. So we changed to do it after all elements were mapped. But the side effect was that the element current size is nil during map_cb. As an alternative, you can use the map_cb of the dialog, because it is the only one that is still called after the dialog layout was computed. You can consult the USERSIZE in map_cb that will be the initial size you set for the canvas. But it can be changed when the layout was computed. You can use RESIZE_CB, maybe. What you are doing in map_cb with rastersize? Maybe there are other alternatives... Best, Scuri On Wed, May 27, 2015 at 10:05 AM, Antonio Scuri <sc...@tecgraf.puc-rio.br> wrote: > Yes, that was the change. > > Hum, I don`t know why is reseting to nil. I'm going to take a look at > the sample and let you know. > > Best, > Scuri > > > On Tue, May 26, 2015 at 5:36 PM, Milind Gupta <milind.gu...@gmail.com> > wrote: > >> Hi Antonio, >> Previously when I was using iup 3.11 I was not having this >> issue. The way my code worked was that it called dialog:map() and I had a >> canvasBox:map_cb() defined which used the rastersize attribute of the >> canvasBox. >> I see in the map_cb documentation that there has been a change >> since 3.14, probably that is what is affecting me. When I debug my main >> application here is what I see: >> >> 1. I create glcanvasbox with an initial rastersize say "50x50" and I >> print it, it is fine. >> 2. I create the dialog and then print the rastersize again it is fine >> "50x50" >> 3. Now I call dialog:map() >> 4. This in turn calls canvasBox:map_cb() in which the first statement I >> have is to print the rastersize. Somehow as soon as it enters map_cb >> rastersize is set to nil. >> >> So to give you a test case I wrote the attached script which shows the >> problem. If this is the intended behavior then how do I get around it? >> >> Thanks, >> Milind >> >> >> >> >> On Tue, May 26, 2015 at 5:18 AM, Antonio Scuri <sc...@tecgraf.puc-rio.br> >> wrote: >> >>> When you create an element its size is not defined. If you not >>> manually set the size, then it will be available only when the layout of >>> the dialog is computed. >>> >>> The layout is automatically computed when the dialog is shown. If you >>> need the size before that, then there are alternatives. You can call >>> IupRefresh to compute the dialog, or you can call IupMap that internally >>> will call IupRefresh. >>> >>> Then size will not return nil/NULL. >>> >>> Best, >>> Scuri >>> >>> >>> On Tue, May 26, 2015 at 4:42 AM, Milind Gupta <milind.gu...@gmail.com> >>> wrote: >>> >>>> Hi, >>>> I created a glcanvasbox. the rastersize attribute seems to >>>> be nil when I first access it. In what scenario can the rastersize be nil? >>>> >>>> Thanks, >>>> Milind >>>> >>>> >>>> >>>> ------------------------------------------------------------------------------ >>>> One dashboard for servers and applications across Physical-Virtual-Cloud >>>> Widest out-of-the-box monitoring support with 50+ applications >>>> Performance metrics, stats and reports that give you Actionable Insights >>>> Deep dive visibility with transaction tracing using APM Insight. >>>> http://ad.doubleclick.net/ddm/clk/290420510;117567292;y >>>> _______________________________________________ >>>> Iup-users mailing list >>>> Iup-users@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/iup-users >>>> >>>> >>> >>> >>> ------------------------------------------------------------------------------ >>> One dashboard for servers and applications across Physical-Virtual-Cloud >>> Widest out-of-the-box monitoring support with 50+ applications >>> Performance metrics, stats and reports that give you Actionable Insights >>> Deep dive visibility with transaction tracing using APM Insight. >>> http://ad.doubleclick.net/ddm/clk/290420510;117567292;y >>> _______________________________________________ >>> Iup-users mailing list >>> Iup-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/iup-users >>> >>> >> >> >> ------------------------------------------------------------------------------ >> >> _______________________________________________ >> Iup-users mailing list >> Iup-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/iup-users >> >> >
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