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Most applications are already using ESC to mean something. For example, cancel a cell editor. ESC is overloaded on GTK and causes a popup window to open after a brief delay even when the user has invoked ESC at a normal time. To see an example of the problem, edit something in the property sheet and press ESC to cancel the cell editor. The keybinding shortcut window pops up. This problem was introduced by bug 66336. We should pick another keybinding. I don't think it is possible to tell whether ESC was handled by client code.
I think this would occur on any platform where multi-stroke keybindings are defined that begin with ESC.
Are there other command definitions with ESC by default? I know JDT has some, but they only are active when the editor has focus.
Emacs uses the "ESC" prefix for some of its key bindings. Please see "http://www.cs.rutgers.edu/LCSR-Computing/some-docs/emacs-chart.html" for an idea of what kind of bindings might use an "ESC" prefix. It is normally possible (though tricky) to tell if someone has done work on an event. The paradigm is that you should doit to false when work is done. In native widgets, this will prevent the native widget from attempting to handle the event as well. However, the SWT event model is a little bit messy in places, and this one of them. If I recall correctly, listeners on emulated widgets do not set the "doit" flag to false when work is done. I believe there is no way to tell if an emulated widget has done work. In your case, you're probably in ComboCellEditor, which is using a CCombo. If you click on a Text widget in the Properties view, you will see the expected behaviour. I see a few possibilities: + Change the binding + Change the CCombo to a Combo + Provide a preference for turning of the key assist dialog (for those who are annoyed by this oddity) + Simply close this bug as "WONTFIX" -- taking the view that this is a relatively isolated case, and no good fix exists.
This is not isolated, unless you were referring to the number of GTK users ;- ). Our editors use ESC often. It is OK for emacs bindings to use ESC because this is only active when a text editor is active. The keybindings in question are using the global scope.
Moving Dougs bugs
Is this still a problem in 3.3? PW
Changes requested on bug 193523
This bug hasn't had any activity in quite some time. Maybe the problem got resolved, was a duplicate of something else, or became less pressing for some reason - or maybe it's still relevant but just hasn't been looked at yet. If you have further information on the current state of the bug, please add it. The information can be, for example, that the problem still occurs, that you still want the feature, that more information is needed, or that the bug is (for whatever reason) no longer relevant.
