• Kai Willadsen's avatar
    Fix sensitivity of prev/next diff in VC and DirDiff (closes bgo#650181) · be078d24
    Kai Willadsen authored
    Common code for finding the previous/next differing rows was moved to
    the tree module, and both VCView and DirDiff now use that approach.
    Previous/next diff is updated on tree cursor movement and used to set
    sensitivity of the corresponding actions.
    
    Currently there is no attempt to minimise the number of tree
    traversals done when the cursor moves. In some situations of very large
    trees with few changes, this may mean that scrolling through the tree
    with the keyboard will be very slow. There are certainly tricks that
    can be done with invalidation of the prev/next validity (TODO-ed in the
    code) that should improve the situation.
    be078d24
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