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Contents
# Hierarchical control with items
class Wx::TreeCtrl
# Make these ruby enumerables so find, find_all, map etc are available
include Enumerable
# Iterate over all items
alias :each :traverse
# Return the children of +parent+ as an array of TreeItemIDs.
def get_children(parent)
kids = [ get_first_child(parent) ]
return [] if kids[0].zero?
while kid = get_next_sibling(kids.last) and not kid.zero?
kids << kid
end
kids
end
# Returns a Wx::Rect corresponding to the edges of an individual tree
# item, including the button, identified by id. The standard wxWidgets
# API for getting the pixel location of an item is unrubyish, using an
# input/output parameter. But since the underlying get_bounding_rect
# method works, it's easier to fix the API in Ruby than adding more to
# the already-toxic swig interface TreeCtrl.i file.
def get_item_rect(tree_item_id)
rect = Wx::Rect.new
if get_bounding_rect(tree_item_id, rect, false)
return rect
else
return nil
end
end
# Returns a Wx::Rect corresponding to the edges of an individual tree
# item's text label. See above.
def get_label_rect(tree_item_id)
rect = Wx::Rect.new
if get_bounding_rect(tree_item_id, rect, true)
return rect
else
nil
end
end
end
Version data entries
53 entries across 53 versions & 3 rubygems