Class: ScrollBox

Inherits:
Object
  • Object
show all
Defined in:
lib/gswax/scrollbox.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(txt) ⇒ ScrollBox

Returns a new instance of ScrollBox.



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# File 'lib/gswax/scrollbox.rb', line 13

def initialize(txt)
  @txt = txt
  @scroll_text = txt + "   "
  bgc = Settings.bg_color
  @bg_color = Gdk::Color.new(bgc[0], bgc[1], bgc[2])

  @main = Gtk::EventBox.new()
  @main.set_size_request(727 * Settings.scale, 75 * Settings.scale)
  @main.signal_connect("enter_notify_event"){hover_toggle}###
  @main.signal_connect("leave_notify_event"){@left = true}###
  @main.modify_bg(Gtk::STATE_NORMAL, @bg_color)
    frame = Gtk::HBox.new(false, 0)
      @text_label = Gtk::Label.new
      @text_label.justify=(Gtk::JUSTIFY_CENTER)
      @text_label.ellipsize = Pango::Layout::ELLIPSIZE_END
    frame.pack_start(@text_label, true, true, 10)
  @main.add(frame)
  show_text(@txt)
end

Instance Attribute Details

#main ⇒ Object

Returns the value of attribute main.



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# File 'lib/gswax/scrollbox.rb', line 11

def main
  @main
end

Instance Method Details

#hover_toggle ⇒ Object 



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# File 'lib/gswax/scrollbox.rb', line 51

def hover_toggle
  @left = false
  timer = GLib::Timer.new
  GLib::Timeout.add(100){
    if timer.elapsed[0].round(1) > 0.3
      unless @left
        if @scrolling
          stop_scroll
        else
          start_scroll
        end
        timer.stop
      end
      false
    else
      true
    end
  }
  
end

#resize ⇒ Object 



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# File 'lib/gswax/scrollbox.rb', line 96

def resize
  @main.set_size_request(727.0 * Settings.scale, 75.0 * Settings.scale)
end

#set_text(txt) ⇒ Object 



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# File 'lib/gswax/scrollbox.rb', line 43

def set_text(txt)
  stop_scroll if @scrolling
  @scroll_text = txt + "   "
  @text_label.text = @scroll_text
  @text_label.justify=(Gtk::JUSTIFY_CENTER)
  show_text(@scroll_text)
end

#show_text(txt) ⇒ Object 



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# File 'lib/gswax/scrollbox.rb', line 33

def show_text(txt)
  if @text_label
    txc = Settings.text_color
    txt_color = Gdk::Color.new(txc[0], txc[1], txc[2])
    @text_label.set_markup(
      %Q[<span font_desc="#{Settings.font_desc}"foreground="#{txt_color}">#{CGI.escape_html(txt)}</span>]
    )
  end
end

#start_scroll ⇒ Object 



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# File 'lib/gswax/scrollbox.rb', line 72

def start_scroll
  @scrolling = true
  @text_label.justify=(Gtk::JUSTIFY_LEFT)
  @timer = GLib::Timeout.add(100){
    if @scrolling
      first = @scroll_text.slice!(0)
      @scroll_text << first
      show_text(@scroll_text)
    else
      false
    end
  }
end

#stop_scroll ⇒ Object 



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# File 'lib/gswax/scrollbox.rb', line 86

def stop_scroll
  @scrolling = false; @timer = nil
end