Class: Glimmer::SWT::GShell

Inherits:
GWidget
  • Object
show all
Defined in:
lib/glimmer/swt/g_shell.rb

Constant Summary collapse

WIDTH_MIN = 
130
HEIGHT_MIN = 
0

Instance Attribute Summary collapse

Attributes inherited from GWidget

#widget

Instance Method Summary collapse

Methods inherited from GWidget

#add_listener, #apply_property_type_converters, #async_exec, #can_add_listener?, #dispose, #has_attribute?, #has_style?, #process_block, #property_type_converters, #set_attribute, swt_widget_class_for, #sync_exec, widget_exists?, #widget_listener_exists?

Methods included from Parent

#process_block

Constructor Details

#initialize(*args) ⇒ GShell

Instantiates shell with same arguments expected by SWT Shell



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# File 'lib/glimmer/swt/g_shell.rb', line 16

def initialize(*args)
  if !args.first.is_a?(Display) && !args.first.is_a?(Shell)
    @display = GDisplay.instance.display
    args = [@display] + args
  end
  args = GSWT.constantify_args(args)
  @widget = Shell.new(*args)
  @display ||= @widget.getDisplay
  @widget.setLayout(FillLayout.new)
  @widget.setMinimumSize(WIDTH_MIN, HEIGHT_MIN)
end

Instance Attribute Details

#display ⇒ Object (readonly)

Returns the value of attribute display.



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# File 'lib/glimmer/swt/g_shell.rb', line 13

def display
  @display
end

Instance Method Details

#center ⇒ Object

Centers shell within screen



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# File 'lib/glimmer/swt/g_shell.rb', line 29

def center
  primary_monitor = @display.getPrimaryMonitor()
  monitor_bounds = primary_monitor.getBounds()
  shell_bounds = @widget.getBounds()
  location_x = monitor_bounds.x + (monitor_bounds.width - shell_bounds.width) / 2
  location_y = monitor_bounds.y + (monitor_bounds.height - shell_bounds.height) / 2
  @widget.setLocation(location_x, location_y)
end

#open ⇒ Object

Opens shell and starts SWT’s UI thread event loop



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# File 'lib/glimmer/swt/g_shell.rb', line 39

def open
  @widget.pack
  center
  @widget.open
  until @widget.isDisposed
    @display.sleep unless @display.readAndDispatch
  end
  @display.dispose
end