Contents

require_relative 'g_widget'
require_relative 'g_display'

module Glimmer
  module SWT
    class GShell < GWidget
      WIDTH_MIN = 130
      HEIGHT_MIN = 0

      include_package 'org.eclipse.swt.layout'
      include_package 'org.eclipse.swt.widgets'

      attr_reader :display

      # Instantiates shell with same arguments expected by SWT Shell
      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

      # Centers shell within screen
      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

      # Opens shell and starts SWT's UI thread event loop
      def open
        @widget.pack
        center
        @widget.open
        until @widget.isDisposed
          @display.sleep unless @display.readAndDispatch
        end
        @display.dispose
      end
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
glimmer-0.4.7	lib/glimmer/swt/g_shell.rb
glimmer-0.4.6	lib/glimmer/swt/g_shell.rb
glimmer-0.4.5	lib/glimmer/swt/g_shell.rb
glimmer-0.4.4	lib/glimmer/swt/g_shell.rb