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 >
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