Scite Numbered Bookmarks

wiki

It is an example of how to create custom bookmarks with characters with Scintilla, and how to manage objects on a per-file basis using OnOpen and OnSwitchFile.

This script uses the SciteExtMan loader for convenience, although I hope it should be clear how to do it using straight SciTE/Lua scripting.

-- borland.lua

-- Defines borland-style numbered bookmarks.

-- Put this in your extman scite_lua directory.



scite_Command {

  'ctrl-k|do_ctrl_command k|Ctrl+K',

  'ctrl-q|do_ctrl_command q|Ctrl+Q',  

} 



local gMarksMap = {}

local gMarks



scite_OnOpen(function(f)

  gMarksMap[f] = {}

 end)



scite_OnSwitchFile(function(f)

 gMarks = gMarksMap[f]



end)



function current_line()

    return editor:LineFromPosition(editor.CurrentPos)+1

end



local markers_defined = false

local base = 9



function define_markers()

  local zero = string.byte('0')

  for i = 1,9 do

      editor:MarkerDefine(i+base,SC_MARK_CHARACTER + zero + i)

  end

  markers_defined = true

end



function do_ctrl_command(key)

    editor:BeginUndoAction()

    scite_OnChar('once',function (ch)

       editor:EndUndoAction()

       editor:Undo()

       local num = tonumber(ch)

       local mark = num and gMarks[num]

       local line = current_line()

       if key == 'k' and num then

          if not markers_defined then define_markers() end

          if mark then -- clear mark

             gMarks[num] = nil

             editor:MarkerDelete(line-1,num+base)

          else

             gMarks[num] = line

             editor:MarkerAdd(line-1,num+base)

          end

       elseif key == 'q' and mark then

            editor:GotoLine(mark-1)

       end

       return true

     end)

end