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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
>From: Crystal Shaw <shaw@xxxxxxxxxxxxx> >Organization: >Keywords: 200008182033.e7IKXJN29530 Crystal- >Maybe this is common knowledge, want to save time of other left-handed >people out there... > >I finally figureed out why "My first VisAD application" didn't work on the >sgi NT box. Setting the mouse to be left-handed, pressing down 2nd & 3rd >(left-handed order) buttons is equivalent to the left mouse button for right-h > anded >mouse. The "middle" button is actually the first(rightmost) button. I'm confused by your last sentence though. On my left-handed mouse, the rightmost button is the same as the leftmost button on a right-handed mouse. In VisAD, pressing any two buttons simultaneously on a three-button mouse is the same as pressing the non-depressed button. The designation LEFT, RIGHT and MIDDLE mouse buttons in VisAD is probably a bad choice since it really is only true for a right-handed mouse (or a left-handed mouse set up backward). A better nomenclature is MOUSE_BUTTON_1, MOUSE_BUTTON_2 and MOUSE_BUTTON_3. Someday, I may implement these constants (since I implemented the LEFT_PRESSED, etc events). For now, perhaps the documentation and tutorial should make this distinction. For those who haven't yet found this out, on a mouse with a roller in the center, the roller is not good for MB2 (cursor doesn't move under Windoze NT and 2000), so I use the MB1 & MB3 combo. This feature (2 simulate the other) is also handy on laptops which don't have a middle mouse button. What would really be nice would be a way for the user to configure what action is performed by a particular MOUSE_BUTTON and key combination. That way, if I wanted to define translate in 3D to be MB1 (instead of rotate) to be consistent with the 2D view, I could. I've been looking at visad.MouseHelper a lot lately (for other reasons) and think this may be possible, but I don't have time to work on it and it's not that high a priority for me. Don ************************************************************* Don Murray UCAR Unidata Program dmurray@xxxxxxxxxxxxxxxx P.O. Box 3000 (303) 497-8628 Boulder, CO 80307 ************************************************************* Unidata WWW Server http://www.unidata.ucar.edu/ McIDAS Demonstration Machine http://mcdemo.unidata.ucar.edu/ *************************************************************
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