class TkComponent::Builder::TkText
Public Instance Methods
append_text(text)
click to toggle source
# File lib/tk_component/builder/tk_item.rb, line 250 def append_text(text) native_item.insert('end', text) end
current_line()
click to toggle source
# File lib/tk_component/builder/tk_item.rb, line 246 def current_line native_item.get('insert linestart', 'insert lineend') end
select_range(from, to)
click to toggle source
# File lib/tk_component/builder/tk_item.rb, line 254 def select_range(from, to) native_item.tag_add('sel', from, to) end
selected_text()
click to toggle source
# File lib/tk_component/builder/tk_item.rb, line 240 def selected_text ranges = native_item.tag_ranges('sel') return nil if ranges.empty? native_item.get(ranges.first.first, ranges.first.last) end
set_event_handler(event_handler)
click to toggle source
Calls superclass method
TkComponent::Builder::TkItem#set_event_handler
# File lib/tk_component/builder/tk_item.rb, line 258 def set_event_handler(event_handler) case event_handler.name when :change pre_lambda = ->(e) do # Prevent the event if the text wasn't really modified # This is because setting "modified = false" triggers # the modification event itself, which makes not much sense. e.sender.is_a?(self.class) && !e.sender.native_item.modified? end post_lambda = ->(e) do if e.sender.is_a?(self.class) e.sender.native_item.modified = false end end Event.bind_event('<Modified>', self, event_handler.options, event_handler.lambda, pre_lambda, post_lambda) else super end end
value()
click to toggle source
# File lib/tk_component/builder/tk_item.rb, line 232 def value native_item.get('1.0', 'end') end
value=(text)
click to toggle source
# File lib/tk_component/builder/tk_item.rb, line 236 def value=(text) native_item.replace('1.0', 'end', text) end