module Canis::ListBindings
bindings for multi-row widgets such as listbox, table,
Public Instance Methods
bindings()
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# File lib/canis/core/include/listbindings.rb, line 16 def bindings $log.debug "YYYY: INSIDE LISTBINDING FOR #{self.class} " bind_key(Ncurses::KEY_LEFT, 'cursor backward'){ cursor_backward } if respond_to? :cursor_backward bind_key(Ncurses::KEY_RIGHT, 'cursor_forward'){ cursor_forward } if respond_to? :cursor_forward # very irritating when user pressed up arrow, commented off 2012-01-4 can be made optional bind_key(Ncurses::KEY_UP, 'previous row'){ ret = up; } #get_window.ungetch(KEY_BTAB) if ret == :NO_PREVIOUS_ROW } # the next was irritating if user wanted to add a row ! 2011-10-10 #bind_key(Ncurses::KEY_DOWN){ ret = down ; get_window.ungetch(KEY_TAB) if ret == :NO_NEXT_ROW } bind_key(Ncurses::KEY_DOWN, 'next row'){ ret = down ; } bind_key(279, 'goto_start'){ goto_start } bind_key(277, 'goto end'){ goto_end } bind_key(338, 'scroll forward'){ scroll_forward() } bind_key(339, 'scroll backward'){ scroll_backward() } # this allows us to set on a component basis, or global basis # Motivation was mainly for textarea which needs emacs keys kmap = $key_map_type || :both if kmap == :emacs || kmap == :both bind_key(?\C-v, 'scroll forward'){ scroll_forward } # clashes with M-v for toggle one key selection, i guess you can set it as you like bind_key(?\M-v, 'scroll backward'){ scroll_backward } bind_key(?\C-s, 'ask search'){ ask_search() } bind_key(?\C-n, 'next row'){ down() } bind_key(?\C-p, 'previous row'){ down() } bind_key(?\M->, 'goto bottom'){ goto_end() } bind_key(?\M-<, 'goto top'){ goto_start() } bind_key([?\C-x, ?>], :scroll_right) bind_key([?\C-x, ?<], :scroll_left) end if kmap == :vim || kmap == :both # some of these will not have effect in textarea such as j k, gg and G, search bind_key(?j, 'next row'){ down() } bind_key(?k, 'previous row'){ up() } bind_key(?w, 'forward_word'){ forward_word } bind_key(?b, 'backward_word'){ backward_word } bind_key(?W, 'forward WORD'){ forward_regex :WORD } bind_key(?B, 'backward WORD'){ backward_regex :WORD } bind_key(?\C-d, 'scroll forward'){ scroll_forward() } bind_key(32, 'scroll forward'){ scroll_forward() } unless $row_selector == 32 bind_key(0, 'scroll backward'){ scroll_backward() } unless $range_selector == 0 bind_key(?\C-b, 'scroll backward'){ scroll_backward() } bind_key(?\C-e, "Scroll Window Down"){ scroll_window_down } bind_key(?\C-y, "Scroll Window Up"){ scroll_window_up } bind_key([?g,?g], 'goto start'){ goto_start } # mapping double keys like vim bind_key(?G, 'goto end'){ goto_end() } # textpad has removed this since it messes with bookmarks which are on single-quote bind_key([?',?'], 'goto last position'){ goto_last_position } # vim , goto last row position (not column) bind_key(?L, :bottom_of_window) bind_key(?M, :middle_of_window) bind_key(?H, :top_of_window) bind_key(?/, :ask_search) bind_key(?n, :find_more) bind_key(?h, 'cursor backward'){ cursor_backward } if respond_to? :cursor_backward bind_key(?l, 'cursor forward'){ cursor_forward } if respond_to? :cursor_forward bind_key(?$, :cursor_eol) end bind_key(?\C-a, 'start of line'){ cursor_bol } if respond_to? :cursor_bol bind_key(?\C-e, 'end of line'){ cursor_eol } if respond_to? :cursor_eol bind_key(?\M-l, :scroll_right) bind_key(?\M-h, :scroll_left) bind_key(KEY_ENTER, :fire_action_event) # save as and edit_external are only in tv and textarea # save_as can be given to list's also and tables # put them someplace so the code can be shared. bind_key([?\C-x, ?\C-s], :saveas) bind_key([?\C-x, ?e], :edit_external) end
edit_external()
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Edit the content of the textpad using external editor defaulting to EDITOR. copied from textarea, modified for textpad and document, needs to be tested TODO This should not be allowed as a default, some objects may not want to allow it. It should be enabled, or programmer should bind it to a key
# File lib/canis/core/include/listbindings.rb, line 136 def edit_external require 'canis/core/include/appmethods' require 'tempfile' f = Tempfile.new("canis") l = self.text l.each { |line| f.puts line } fp = f.path f.flush editor = ENV['EDITOR'] || 'vi' vimp = %x[which #{editor}].chomp ret = shell_out "#{vimp} #{fp}" if ret lines = File.open(f,'r').readlines if @document @document.text = lines @document.parse_required self.text(@document) # next line works #self.text(lines, :content_type => :tmux) else set_content(lines) end end end
saveas(name=nil, config={})
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adding here so that textpad can also use. Earlier in textarea only Test out with textarea too TODO 2014-09-03 - 12:49
# File lib/canis/core/include/listbindings.rb, line 90 def saveas name=nil, config={} unless name name = rb_gets "File to save as: " return if name.nil? || name == "" end overwrite_if_exists = config[:overwrite_if_exists] || false unless overwrite_if_exists exists = File.exists? name if exists # need to prompt return unless rb_confirm("Overwrite existing file? ") end end # if it has been set do not prompt. or ask only if value is :ask # But this should only be if there is someformatting provided, that is there # is a @document l = @list # the check for document is to see if it is some old widget like textarea that is calling this. if @document if config.key? :save_with_formatting save_with_formatting = config[:save_with_formatting] else save_with_formatting = rb_confirm("Save with formatting?") end if save_with_formatting l = @list else l = @document.native_text().map do |w| w.to_s ; end end end #l = getvalue File.open(name, "w"){ |f| l.each { |line| f.puts line } #l.each { |line| f.write line.gsub(/\r/,"\n") } } rb_puts "#{name} written." end
saveas!(name=nil, config={})
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save content of textpad overwriting if name exists
# File lib/canis/core/include/listbindings.rb, line 127 def saveas! name=nil, config={} config[:overwrite_if_exists] = true saveas name, config end