module Rabbit::Renderer::Display::DrawingAreaPrimitive

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 33
def initialize(canvas)
  super
  @filename = nil
  clear_compiled_slides
  init_drawing_area
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 44
def clear_slide
  super
  clear_compiled_slide
  redraw
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 110
def display?
  true
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 106
def index_mode_off
  restore_cursor(:index)
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 101
def index_mode_on
  keep_cursor(:index)
  update_cursor(nil, true)
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 63
def post_apply_theme
  clear_compiled_slides
  queue_draw
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 50
def post_fullscreen
  update_cursor(:blank, true)
  clear_compiled_slides
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 60
def post_iconify
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 68
def post_move(old_index, index)
  queue_draw
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 72
def post_move_in_slide(old_index, index)
  queue_draw
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 79
def post_parse
  clear_compiled_slides
  update_cursor(:blank, true)
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 98
def post_to_pixbuf(canceled)
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 87
def post_toggle_index_mode
  queue_draw
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 55
def post_unfullscreen
  update_cursor(nil, true)
  update_menu
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 76
def pre_parse
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 91
def pre_to_pixbuf(n_slides)
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 84
def pre_toggle_index_mode
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 94
def to_pixbufing(i)
  true
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 40
def widget
  @area
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 182
def clear_compiled_slide(slide=nil)
  @compiled_slides.delete(slide || @canvas.current_slide)
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 186
def clear_compiled_slides
  @compiled_slides = {}
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 194
def compile_slide(slide)
  @compiled_slides[slide] = true
  slide.draw(@canvas, true)
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 190
def compiled_slide?(slide)
  @compiled_slides.has_key?(slide)
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 171
def configured(x, y, w, h)
  @real_width = @surface.width
  @real_height = @surface.height
  @size_dirty = true
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 122
def depth
  @area.window.depth
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 155
def draw(widget)
  draw_current_slide
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 159
def draw_current_slide
  slide = @canvas.current_slide
  if slide
    begin
      compile_slide(slide) unless compiled_slide?(slide)
      slide.draw(@canvas, false)
    rescue
      Rabbit.logger.warn($!)
    end
  end
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 199
def grab
  return unless @area.respond_to?(:grab_add)
  @area.grab_add
  Gdk.pointer_grab(@area.window, false,
                   Gdk::EventMask::BUTTON_PRESS_MASK |
                   Gdk::EventMask::BUTTON_RELEASE_MASK |
                   Gdk::EventMask::SCROLL_MASK |
                   Gdk::EventMask::POINTER_MOTION_MASK,
                   nil, nil,
                   Gdk::CURRENT_TIME)
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 115
def init_drawing_area
  @area = Gtk::DrawingArea.new
  @area.can_focus = true
  set_map
  set_draw
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 132
def mapped(widget)
  set_surface(widget.native.surface)
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 177
def reload_theme(&callback)
  callback ||= Utils.process_pending_events_proc
  @canvas.activate("ReloadTheme", &callback)
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 136
def set_draw
  if @area.respond_to?(:set_draw_func)
    @area.set_draw_func do |area, context|
      surface = area.native.surface
      update_size(surface.width, surface.height)
      init_context(context)
      draw(area)
      finish_renderer
    end
  else
    @area.signal_connect("draw") do |widget, context|
      init_context(context)
      draw(widget)
      finish_renderer
      Gdk::Event::PROPAGATE
    end
  end
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 126
def set_map
  @area.signal_connect_after("map") do |widget|
    mapped(widget)
  end
end

# File lib/rabbit/renderer/display/drawing-area-primitive.rb, line 211
def ungrab
  return unless @area.respond_to?(:grab_remove)
  @area.grab_remove
  Gdk.pointer_ungrab(Gdk::CURRENT_TIME)
end