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Last update on 05. Apr 2017 .
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    ARB_NTREE keyboard reference

    OCCURRENCE

    Focus main area and press one of the hotkeys below

     

    DESCRIPTION

    List of keys recognized by ARB_NTREE tree display

     

    Marking species and folding groups

     Key   Description
    ==========================================
     m     mark/unmark (sub-)tree
     i     invert marks of (sub-)tree
     x     expand (Unmarked,All)
     c     collapse (Terminal,All)

    If you point to a subtree with the mouse while pressing one of these keys, the action is performed on the subtree. Otherwise (if you point somewhere outside of the tree) the whole tree is targeted.

    If you press < SHIFT + Key > the function works on the opposite set:

    • Instead of the subtree, the rest of the tree is targeted.
    • Instead of the whole tree, all species NOT in tree are targeted.

    If you press < CTRL + Key > the function works on ALL species (if it makes sense).

    SPACE toggles the mark(s) of the selected species or group.

    RETURN toggles the folding of the selected group.

     

    Selecting species

     Key              Description
    ===============================================
     Cursor up/down   select previous/next species
     Home/End         select first/last species

    If you press < CTRL + Key > these function only select marked species and if the selected species is inside a folded subtree all parent groups will be unfolded temporarily (to make the species visible).

    If you press < SHIFT + Key > folded groups will temporarily unfolded and traversed, without SHIFT folded groups will be skipped.

     

    Selecting groups

     Key                       Description
    ===============================================================================
     ALT + Cursor up/down      select previous/next group (inside enclosing group)
     ALT + Home/End            select first/last group    (inside enclosing group)
     ALT + Cursor left/right   ascend/descend out-of/into groups

    Terminal groups will unfold when trying to descend further.

     

    Howto switch selection between groups and species

    • when a group is selected, you can use SHIFT + Cursor down/up to select the first/last species of that group.
    • when a species is selected, you can use ALT + Cursor left/right to select the enclosing group.

     

    NOTES

    Expanding/collapsing is implemented in such way, that some key-combinations lead to determined tree-displays.

    Examples:

     Key-Combo   similar to
    =================================================
     cc          group all
     ccx         group all except marked
     xx          ungroup all
     xxc         group terminal groups

    If a subtree does not contain unfolded groups the collapse keys target the first parent group instead.

     

    EXAMPLES

    None

     

    WARNINGS

    None

     

    BUGS

    No bugs known