Top Level Namespace

Includes:
Merrol::CommandDispatcher

Defined Under Namespace

Modules: Gtk, Merrol, YAML Classes: File, LibNotFoundError

Constant Summary collapse

APP_NAME = 
"Merrol"
WORKING_DIR = 
Dir.getwd

Instance Method Summary collapse

Instance Method Details

#check_packages ⇒ Object 



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# File 'lib/prerequisites.rb', line 3

def check_packages
  selections = `dpkg --get-selections`
  libs = %w(libglib2.0-dev libatk1.0-dev libpango1.0-dev libgtk2.0-dev libgtksourceview2.0-dev)
  libs.each do |lib|
    raise LibNotFoundError unless selections =~ Regexp.new(lib)
  end
rescue LibNotFoundError => e
  puts 'Some packages needed for installation are missing'
  puts 'To install the rquired packages please run:'
  puts '    sudo apt-get install libglib2.0-dev libatk1.0-dev libpango1.0-dev libgtk2.0-dev libgtksourceview2.0-dev'
  puts
  exit
end

#command_for(key) ⇒ Object 



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# File 'lib/merrol/keyboard_map.rb', line 125

def command_for key
  modifiers = ''
  modifiers << 'CTRL+' if $modifiers[2].active?
  modifiers << 'ALT+' if $modifiers[3].active?
  modifiers << 'SHIFT+' if $modifiers[0].active?
  @commands[modifiers + key] || []
end

#install_ruby_gnome2 ⇒ Object 



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

def install_ruby_gnome2
  trap("INT") { puts "\rAborted."; exit }

  puts "Some ruby libraries need to be compiled and installed to run merrol (gtk2 and gtksourceview2)"
  puts "Press ENTER to install or CTRL+C to abort"
  gets

  logfile = '/tmp/ruby-gnome2-install.log'

  package = 'ruby-gnome2-all-0.90.4'
  system "gem install pkg-config > #{logfile}"
  puts 'pkg-config installed'

  puts 'Downloading sources...'
  system "cd /tmp && wget http://downloads.sourceforge.net/ruby-gnome2/#{package}.tar.gz >> #{logfile}"

  puts 'Extracting sources...'
  system "cd /tmp && tar xf #{package}.tar.gz"

  puts 'Configuring ...'
  system "cd /tmp/#{package} && ruby extconf.rb >> #{logfile}"

  puts 'Building ...'
  system "cd /tmp/#{package} && sudo make >> #{logfile}"

  puts 'Installing ...'
  system "cd /tmp/#{package} && sudo make install >> #{logfile}"

  puts 'Done.'
end

#key_from_event(e) ⇒ Object 



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# File 'lib/merrol/keyboard_map.rb', line 63

def key_from_event e
  unmodified_keyval = Gdk::Keymap.default.lookup_key(e.hardware_keycode, 0, 0)
  key = Gdk::Keyval.to_name(unmodified_keyval).upcase
  {'RETURN' => 'ENTER', 'ESCAPE' => 'ESC',
    'CONTROL_L' => 'CTRL', 'ALT_L' => 'ALT', 'SHIFT_L' => 'SHIFT',
    'CONTROL_R' => 'CTRL', 'ALT_R' => 'ALT', 'SHIFT_R' => 'SHIFT'
  }[key] || key
end

#render_keys ⇒ Object 



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# File 'lib/merrol/keyboard_map.rb', line 39

def render_keys
  $rows.children[0..-2].each do |row|
    row.children.each do |button|
      next if button.is_a?(Gtk::Label)
      label = button.children.first
      key = label.text.split("\n").first
      command = command_for(key).first
      button.sensitive = !command.nil? unless %w(CTRL SHIFT ALT).include?(key)
      label.markup = "<small><b>#{key}</b>\n#{command}</small>"
    end
  end
end

#shortcut(shortcut) ⇒ Object 



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# File 'lib/merrol/keyboard_map.rb', line 52

def shortcut shortcut
  keys = []
  key = key_from_event(shortcut)
  return key if %w(CTRL SHIFT ALT).include?(key)
  keys << "CTRL" if shortcut.state.control_mask?
  keys << "ALT" if shortcut.state.mod1_mask?
  keys << "SHIFT" if shortcut.state.shift_mask?
  keys << key
  keys.join('+')
end

#toggle_button(modifier, active) ⇒ Object 



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# File 'lib/merrol/keyboard_map.rb', line 27

def toggle_button modifier, active
  if %w(CTRL ALT SHIFT).include?(modifier)
    $modifiers.each do |button|
      button.active = active if button.children.first.text.split("\n").first == modifier
    end
    render_keys
    true
  else
    false
  end
end