I use a timer. On Wed, Apr 22, 2020, 5:58 AM Antonio Scuri <antonio.sc...@gmail.com> wrote:
> Do you use a timer or the idle callback to do that? > > Em qua., 22 de abr. de 2020 às 05:54, Milind Gupta <milind.gu...@gmail.com> > escreveu: > >> I don't have control over the motion_cb or button_cb call backs since >> they may change due to a selected operation. But if I want to display the >> coordinates on the canvas of the mouse position independently then to query >> the coordinates I use CURSORPOS and screenposition to determine it without >> depending on the callbacks. >> >> On Tue, Apr 21, 2020 at 6:27 PM Antonio Scuri <antonio.sc...@gmail.com> >> wrote: >> >>> Hi, >>> >>> I will have to do some tests here tomorrow. But the way to get mouse >>> coordinates in canvas is using those callbacks... >>> >>> What you are trying to do? Why you have to use CURSORPOS? >>> >>> Best, >>> Scuri >>> >>> >>> Em ter, 21 de abr de 2020 20:43, Milind Gupta <milind.gu...@gmail.com> >>> escreveu: >>> >>>> Hi Antonio, >>>> I am using CURSORPOS to determine the mouse position on the >>>> screen. I see that if I have a multi display setup as soon as my mouse goes >>>> to the other display it returns nil. There is no error message. Is there >>>> any particular way to handle multiple displays. >>>> Also is there a way to directly get the mouse position in >>>> terms of the canvas coordinate system. Right now I determine the screen >>>> position of the mouse and then find the canvas position using >>>> SCREENPOSITION attribute and then take the difference. Basically I want to >>>> directly access the x,y coordinates without depending on the motion_cb or >>>> button_cb. >>>> >>>> Thanks, >>>> Milind >>>> _______________________________________________ >>>> 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 >>> >> _______________________________________________ >> 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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