Class: GerminalNotebook

Inherits:
Gtk::Notebook
  • Object
show all
Defined in:
lib/notebook.rb

Overview

Copyright 2015-2016 Cédric LE MOIGNE, [email protected] This file is part of Germinal.

Germinal is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or any later version.

Germinal is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with Germinal. If not, see <www.gnu.org/licenses/>.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ GerminalNotebook

Returns a new instance of GerminalNotebook.



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# File 'lib/notebook.rb', line 19

def initialize
  super()
  @gen_preview = true
  signal_connect "hide" do |widget|
    @visible = false
  end
  signal_connect "show" do |widget|
    @visible = true
  end

  signal_connect "switch-page" do |widget, next_page, next_page_num|
    if next_page.tab_label
      toplevel.current_label.text = next_page.tab_label
    else
      next_label = get_tab_label(next_page)
      toplevel.current_label.text = next_label.text 
    end
    toplevel.current_tab.text = "#{next_page_num + 1}/#{n_pages}"
    
    if page >= 0 && @gen_preview 
      current.queue_draw
      _x,_y,w,h = current.allocation.to_a
      pix = current.window.to_pixbuf(0, 0, w, h)
      current.preview = pix if pix
    elsif !@gen_preview
      @gen_preview = true
    end    
  end
  
  signal_connect "page-reordered" do |widget, child, new_page_num|
    toplevel.current_tab.text = "#{page + 1}/#{n_pages}"
  end
  
  signal_connect "page-removed" do 
    toplevel.current_tab.text = "#{page + 1}/#{n_pages}" if toplevel.class == GerminalWindow
  end
  
  set_show_tabs(false)
end

Instance Attribute Details

#gen_preview ⇒ Object

Returns the value of attribute gen_preview.



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# File 'lib/notebook.rb', line 18

def gen_preview
  @gen_preview
end

#visible ⇒ Object (readonly)

Returns the value of attribute visible.



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# File 'lib/notebook.rb', line 17

def visible
  @visible
end

Instance Method Details

#current ⇒ Object 



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# File 'lib/notebook.rb', line 74

def current
  get_nth_page(page)
end

#cycle_next_page ⇒ Object 



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# File 'lib/notebook.rb', line 66

def cycle_next_page
  page < (n_pages - 1) ? next_page : set_page(0)
end

#cycle_prev_page ⇒ Object 



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# File 'lib/notebook.rb', line 70

def cycle_prev_page
  page > 0 ? prev_page : set_page(n_pages - 1)
end

#remove_all_pages ⇒ Object 



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# File 'lib/notebook.rb', line 59

def remove_all_pages
  each do |widget|
    index = page_num(widget)
    remove_page(index)
  end
end

#remove_current_page ⇒ Object 



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# File 'lib/notebook.rb', line 78

def remove_current_page
  if n_pages == 1
    toplevel.quit_gracefully
  else
    remove(current)
    current.grab_focus
  end
end

#toggle_visibility ⇒ Object 



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# File 'lib/notebook.rb', line 87

def toggle_visibility
  @visible ? hide : show
end