svn/view/window.rb


require "modeline.rb"

module Edmaru

  #Abstract class to implement system specific window.
  module Window

    #Construct a window instance.
    #
    #=== Arguments
    #_view_ :: The parent view.
    #_x_ :: The left edge position in the parent view.
    #_y_ :: The top edge position in the parent view.
    #_col_ :: The max column size allocated for this window.
    #_row_ :: The max line size allocated for this window including
    #ModeLine's line size (usually 1).
    #
    #=== Warning
    #This method *MUST* *NOT* be overrided in derived classes.
    #
    #=== Return
    #An initialized instance of Window.
    def initialize(view, x, y, col, row)
      @view = view
      init_ui(x, y, col, row - 1)

      #Creating modeline bar.
      @modeline = Edmaru::modeline_class.new(self, x, y + row - 1, col)
      element = ModeLineElement.new("buffer-name", -1, 1, 1,"*scratch#{$count}*")
      @modeline.add_element(element)
      @modeline.show_element("buffer-name")
    end

    #The system specific initialization for this window.
    #
    #=== Arguments
    #_x_ :: The left edge position in the parent view.
    #_y_ :: The top edge position in the parent view.
    #_col_ :: The max column size allocated for this window.
    #_row_ :: The max line size allocated for this window excluding
    #ModeLine's line size (usually 1).
    #
    #=== Warning
    #This method *SHOULD* be overrided in derived classes.
    #And it *MUST* *NOT* deal with anything about modeline bar.
    def init_ui(x, y, col, row)
    end

    def show
    end

    def move(x, y)
    end

    def resize(w, h)
    end

    def refresh
    end

    #Terminate this view instance.
    #
    #=== Warning
    #This method *MUST* *NOT* be overrided in derived classes.
    def terminate
      @modeline.terminate

      terminate_ui
    end

    #Free system specific resources.
    #
    #=== Warning
    #This method *SHOULD* be overrided in derived classes.
    def terminate_ui
    end
  end
end