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** [patches:#579] helpbrowser 0.2? (add arrow key navigation)**
**Status:** open
**Group:** feature
**Created:** Wed Oct 12, 2016 11:13 PM UTC by Sebastian Shader
**Last Updated:** Wed Oct 12, 2016 11:13 PM UTC
**Owner:** nobody
**Attachments:**
-
[helpbrowser2.patch](https://sourceforge.net/p/pure-data/patches/579/attachment/helpbrowser2.patch)
(13.5 kB; application/octet-stream)
I updated helpbrowser to use arrow keys for navigation, and updated the version
to 0.2?
-took out searching the user libraries (only kept static path) because things
were being added twice if people want to load a library on startup and it was
in the staticpaths.
-added navigation by arrow keys
-changed method of destroying listboxes because of arrow navigation.
Each listbox is now named in the pattern: helpbrowser.frame.root(listbox#).
Whenever focus changes to a listbox, or a listbox is created (to avoid name
clashes), the list of children is searched in the check_destroy proc using this
name pattern and deletes all listboxes 2 or more after the focused one. This
was the best method I could come up with. When focus changes, the
scroll_destroy proc scrolls the focused listbox to the left (because it was
scrolling right for some reason even though the right arrow key is bound) and
then calls check_destroy.
I also added new procs for each "type" of listbox for dealing with arrow key
navigation
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