Module: Rabbit::Renderer::Display::Base

Includes:
Base, HookHandler
Included in:
ClutterEmbed, DrawingAreaPrimitive, Screen
Defined in:
lib/rabbit/renderer/display/base.rb

Constant Summary

Constants included from DirtyCount

DirtyCount::TOO_DIRTY

Constants included from GetText

GetText::DOMAIN

Instance Attribute Summary

Attributes included from Base

#adjustment_x, #adjustment_y, #base_height, #base_width, #draw_scaled_image, #gl_quaternion, #gl_scale, #graffiti_color, #graffiti_line_width, #margin_bottom, #margin_left, #margin_right, #margin_top, #page_margin_bottom, #page_margin_left, #page_margin_right, #page_margin_top, #paper_height, #paper_width, #progress_background, #progress_foreground, #slides_per_page, #x_dpi, #y_dpi

Instance Method Summary collapse

Methods included from HookHandler

#add_button_press_hook, #add_button_release_hook, #add_motion_notify_hook, #add_scroll_hook, #call_hook_procs, #clear_button_press_hook, #clear_button_release_hook, #clear_hooks, #clear_motion_notify_hook, #clear_scroll_hook

Methods included from Base

#add_gesture_action, #blackouting?, #can_undo_graffiti?, #change_graffiti_color, #clean, #clean_if_dirty, #clear_slide, #clear_theme, #confirm, #connect_key, #disconnect_key, #display?, #each_slide_pixbuf, #expand_hole, #font_families, #gl_available?, #graffiti_mode?, #have_graffiti?, #hiding?, #narrow_hole, #offscreen_canvas, #post_init_gui, #post_terminal, #pre_terminal, #print, #printable?, #reset_adjustment, #search_slide, #searching?, #setup_event, #stop_slide_search, #toggle_info_window, #toggle_spotlight, #whiteouting?

Methods included from DirtyCount

#bit_dirty, #dirty, #dirty?, #dirty_count_clean, #very_dirty

Methods included from GetText

included

Instance Method Details

#attach_to(window, container = nil) ⇒ Object


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# File 'lib/rabbit/renderer/display/base.rb', line 61

def attach_to(window, container=nil)
  @window = window
  @container = container || @window
end

#create_pango_contextObject


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# File 'lib/rabbit/renderer/display/base.rb', line 88

def create_pango_context
  context = widget.create_pango_context
  set_font_resolution(context)
  context
end

#create_pango_layout(text) ⇒ Object


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# File 'lib/rabbit/renderer/display/base.rb', line 94

def create_pango_layout(text)
  layout = widget.create_pango_layout(text)
  set_font_resolution(layout.context)
  layout
end

#detachObject


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# File 'lib/rabbit/renderer/display/base.rb', line 66

def detach
  @window = nil
  @container = nil
end

#draw_slide(slide, simulation) ⇒ Object


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# File 'lib/rabbit/renderer/display/base.rb', line 104

def draw_slide(slide, simulation)
  set_size_ratio(slide.size_ratio)

  if simulation
    super
  else
    save_context do
      scale_context(*@size.logical_scale)
      translate_context(@size.logical_margin_left,
                        @size.logical_margin_top)
      super
    end

    unless @size.have_logical_margin?
      return
    end

    margin_background = make_color("black")
    save_context do
      scale_context(*@size.logical_scale)
      if @size.have_logical_margin_x?
        draw_rectangle(true,
                       0,
                       0,
                       @size.logical_margin_left,
                       @size.logical_height,
                       margin_background)
        draw_rectangle(true,
                       @size.logical_margin_left + @size.logical_width,
                       0,
                       @size.logical_margin_right,
                       @size.logical_height,
                       margin_background)
      end
      if @size.have_logical_margin_y?
        draw_rectangle(true,
                       0,
                       0,
                       @size.logical_width,
                       @size.logical_margin_top,
                       margin_background)
        draw_rectangle(true,
                       0,
                       @size.logical_margin_top + @size.logical_height,
                       @size.logical_width,
                       @size.logical_margin_bottom,
                       margin_background)
      end
    end
  end
end

#heightObject


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# File 'lib/rabbit/renderer/display/base.rb', line 43

def height
  refresh_size
  if @size
    @size.logical_height
  else
    nil
  end
end

#initialize(*args, &block) ⇒ Object


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# File 'lib/rabbit/renderer/display/base.rb', line 27

def initialize(*args, &block)
  @drawable = nil
  @size = nil
  @size_dirty = true
  super
end

#make_layout(text) ⇒ Object


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# File 'lib/rabbit/renderer/display/base.rb', line 81

def make_layout(text)
  attrs, text = Pango.parse_markup(text)
  layout = create_pango_layout(text)
  layout.set_attributes(attrs)
  layout
end

#redrawObject


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# File 'lib/rabbit/renderer/display/base.rb', line 57

def redraw
  widget.queue_draw
end

#sizeObject


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# File 'lib/rabbit/renderer/display/base.rb', line 52

def size
  refresh_size
  @size
end

#toggle_blackoutObject


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# File 'lib/rabbit/renderer/display/base.rb', line 76

def toggle_blackout
  super
  update_menu
end

#toggle_whiteoutObject


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# File 'lib/rabbit/renderer/display/base.rb', line 71

def toggle_whiteout
  super
  update_menu
end

#update_titleObject


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# File 'lib/rabbit/renderer/display/base.rb', line 100

def update_title
  @canvas.update_title(@canvas.slide_title)
end

#widthObject


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# File 'lib/rabbit/renderer/display/base.rb', line 34

def width
  refresh_size
  if @size
    @size.logical_width
  else
    nil
  end
end