Class: Mireru::Window

Inherits:
Gtk::Window
  • Object
show all
Defined in:
lib/mireru/window.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Window

Returns a new instance of Window.



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# File 'lib/mireru/window.rb', line 8

def initialize
  super
  @scroll = Gtk::ScrolledWindow.new
  @scroll.set_policy(:automatic, :automatic)
  self.add(@scroll)
  self.set_default_size(640, 640)
  self.signal_connect("destroy") do
    Gtk.main_quit
  end
end

Instance Attribute Details

#font ⇒ Object

Returns the value of attribute font.



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# File 'lib/mireru/window.rb', line 7

def font
  @font
end

Instance Method Details

#add_container(container) ⇒ Object 



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# File 'lib/mireru/window.rb', line 19

def add_container(container)
  @container = container

  @file = @container.shift
  self.add_from_file(@file)

  self.signal_connect("key_press_event") do |w, e|
    case e.keyval
    when Gdk::Keyval::GDK_KEY_n
      @file = @container.shift(@file)
      self.add_from_file(@file)
    when Gdk::Keyval::GDK_KEY_p
      @file = @container.pop(@file)
      self.add_from_file(@file)
    when Gdk::Keyval::GDK_KEY_r
      self.add_from_file(@file)
    when Gdk::Keyval::GDK_KEY_e
      self.title = File.expand_path(@file)
    when Gdk::Keyval::GDK_KEY_f
      if Mireru::Widget.image?(@file)
        pixbuf = Gdk::Pixbuf.new(@file, *self.size)
        @widget.pixbuf = pixbuf
      elsif @widget.is_a?(Gtk::TextView)
        font = @widget.pango_context.families.sample.name
        @widget.override_font(Pango::FontDescription.new(font))
        self.title = "#{File.basename(@file)} (#{font})"
      end
    when Gdk::Keyval::GDK_KEY_o
      if Mireru::Widget.image?(@file)
        pixbuf = Gdk::Pixbuf.new(@file)
        @widget.pixbuf = pixbuf
      end
    when Gdk::Keyval::GDK_KEY_T
      files = @container.instance_variable_get(:@files)
      self.add_from_file(files)
    when Gdk::Keyval::GDK_KEY_plus
      if Mireru::Widget.image?(@file)
        width  = @widget.pixbuf.width
        height = @widget.pixbuf.height
        scale = 1.1
        pixbuf = Gdk::Pixbuf.new(@file,
                                 width * scale,
                                 height * scale)
        @widget.pixbuf = pixbuf
      elsif @widget.is_a?(Gtk::TextView)
        font = @widget.pango_context.font_description.to_s
        font_size = font.scan(/\d+\z/).first.to_i
        font = font.sub(/\d+\z/, (font_size + 1).to_s)
        @widget.override_font(Pango::FontDescription.new(font))
      end
    when Gdk::Keyval::GDK_KEY_minus
      if Mireru::Widget.image?(@file)
        width  = @widget.pixbuf.width
        height = @widget.pixbuf.height
        scale = 0.9
        pixbuf = Gdk::Pixbuf.new(@file,
                                 width * scale,
                                 height * scale)
        @widget.pixbuf = pixbuf
      elsif @widget.is_a?(Gtk::TextView)
        font = @widget.pango_context.font_description.to_s
        font_size = font.scan(/\d+\z/).first.to_i
        font = font.sub(/\d+\z/, (font_size - 1).to_s)
        @widget.override_font(Pango::FontDescription.new(font))
      end
    when Gdk::Keyval::GDK_KEY_h
      @scroll.hadjustment.value -= 17
    when Gdk::Keyval::GDK_KEY_j
      @scroll.vadjustment.value += 17
    when Gdk::Keyval::GDK_KEY_k
      @scroll.vadjustment.value -= 17
    when Gdk::Keyval::GDK_KEY_l
      @scroll.hadjustment.value += 17
    when Gdk::Keyval::GDK_KEY_H
      @scroll.hadjustment.value -= 1000000
    when Gdk::Keyval::GDK_KEY_J, Gdk::Keyval::GDK_KEY_G
      @scroll.vadjustment.value += 1000000
    when Gdk::Keyval::GDK_KEY_K
      @scroll.vadjustment.value -= 1000000
    when Gdk::Keyval::GDK_KEY_L
      @scroll.hadjustment.value += 1000000
    when Gdk::Keyval::GDK_KEY_q
      Gtk.main_quit
    end
  end
end

#add_from_file(file) ⇒ Object 



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# File 'lib/mireru/window.rb', line 106

def add_from_file(file)
  @scroll.hadjustment.value = 0
  @scroll.vadjustment.value = 0
  @scroll.each {|child| child.destroy }
  if file.is_a?(Enumerable)
    @widget = Mireru::Thumbnail.create(file, *self.size)
    self.title = "Thumbnails: #{file.size} / #{file.size}"
  else
    @widget = Mireru::Widget.create(file, *self.size)
    self.title = File.basename(file)
  end
  @widget.override_font(Pango::FontDescription.new(@font)) if @font
  if @widget.is_a?(Gtk::Scrollable)
    @scroll.add(@widget)
  else
    @scroll.add_with_viewport(@widget)
  end
  self.show_all
end