Add clear method to LTerm_widget.box #44
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bonkf
commented
Oct 9, 2016
| List.iter (fun child -> child.widget#set_parent None) children; | ||
| children <- []; | ||
| self#compute_size_request; | ||
| self#compute_allocations; |
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The calls to #compute_size_request and #compute_allocations are currently not needed since children is empty at this point; I wasn't sure if I could leave them out since some boxes may have custom implementations that depend on values other than children.
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Scratch that, they are still necessary, although they could theoretically be replaced with default values there is not much to be gained here.
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This PR adds a method to clear all widgets from a
LTerm_widget.box.Writing
some_box#clearis easier and faster than writingsince the box only needs to be redrawn once.
I also updated my example from PR#42 to demonstrate the usage, although I'm not sure if there's any point in doing so; it's fairly self-explanatory and using
#clearin this case isn't even the fastest way to do it (see the comment indouble_editor.ml).