Class: Glimmer::SWT::DisplayProxy

Inherits:
WidgetProxy show all
Defined in:
lib/glimmer/swt/display_proxy.rb

Constant Summary

Constants inherited from WidgetProxy

WidgetProxy::DEFAULT_INITIALIZERS

Class Attribute Summary collapse

Attributes inherited from WidgetProxy

#args, #background, #children, #disposed?, #enabled, #focus, #font, #foreground, #menu, #menu_requested, #parent, #rendered

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from WidgetProxy

#add_content_on_render, #add_css_class, #add_css_classes, #add_observer, #apply_property_type_converters, #build_dom, #can_handle_observation_request?, #clear_css_classes, #content, #content_on_render_blocks, #css_classes, #default_observation_request_to_event_mapping, #dialog_ancestor, #dispose, #dom_element, #effective_observation_request_to_event_mapping, #event_handling_suspended?, #event_listener_proxies, for, #get_data, #handle_observation_request, #has_style?, #id, #id=, #listener_path, max_id_number_for, max_id_numbers, #method_missing, #name, next_id_number_for, #observation_requests, #parent_dom_element, #parent_path, #parents, #post_add_content, #post_dispose_child, #post_initialize_child, #property_type_converters, #remove_all_listeners, #remove_css_class, #remove_css_classes, #remove_event_listener_proxies, reset_max_id_numbers!, #resume_event_handling, #selector, #set_attribute, #set_data, #set_focus, #shell, #skip_content_on_render_blocks?, #style_element, #suspend_event_handling, #swt_widget, underscored_widget_name, widget_class, widget_exists?, widget_handling_listener, #widget_property_listener_installers

Methods included from PropertyOwner

#attribute_getter, #attribute_setter, #get_attribute, #set_attribute

Constructor Details

#initialize ⇒ DisplayProxy

Returns a new instance of DisplayProxy.



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# File 'lib/glimmer/swt/display_proxy.rb', line 15

def initialize
  # Do not call super
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Glimmer::SWT::WidgetProxy

Class Attribute Details

.open_custom_shells_in_current_window ⇒ Object Also known as: open_custom_shells_in_current_window?

Returns the value of attribute open_custom_shells_in_current_window.



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# File 'lib/glimmer/swt/display_proxy.rb', line 11

def open_custom_shells_in_current_window
  @open_custom_shells_in_current_window
end

Class Method Details

.instance ⇒ Object 



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# File 'lib/glimmer/swt/display_proxy.rb', line 7

def instance
  @instance ||= new
end

Instance Method Details

#async_exec(proc_tracker = nil, &block) ⇒ Object Also known as: sync_exec 



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# File 'lib/glimmer/swt/display_proxy.rb', line 72

def async_exec(proc_tracker = nil, &block)
  block = proc_tracker unless proc_tracker.nil?
  queue = nil # general queue
  if !proc_tracker.nil? && proc_tracker.invoked_from.to_s == 'open' && modal_open? &&
     (
       proc_tracker.owner.is_a?(MessageBoxProxy) ||
       (dialog_open? && proc_tracker.owner.is_a?(DialogProxy) && opened_dialogs.last == WidgetProxy.widget_handling_listener&.dialog_ancestor)
     )
    queue = WidgetProxy.widget_handling_listener
  end
  schedule_async_exec(block, queue)
end

#beep ⇒ Object 



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# File 'lib/glimmer/swt/display_proxy.rb', line 68

def beep
  # TODO (simulate beep from SWT display flashing the screen and making a noise if possible)
end

#dialog_open? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/glimmer/swt/display_proxy.rb', line 52

def dialog_open?
  dialogs.any?(&:open?)
end

#dialogs ⇒ Object 



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# File 'lib/glimmer/swt/display_proxy.rb', line 40

def dialogs
  @dialogs ||= []
end

#element ⇒ Object

Root element representing widget. Must be overridden by subclasses if different from div



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# File 'lib/glimmer/swt/display_proxy.rb', line 24

def element
  'body'
end

#listener_dom_element ⇒ Object 



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# File 'lib/glimmer/swt/display_proxy.rb', line 28

def listener_dom_element
  Document
end

#message_box_open? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/glimmer/swt/display_proxy.rb', line 48

def message_box_open?
  message_boxes.any?(&:open?)
end

#message_boxes ⇒ Object 



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# File 'lib/glimmer/swt/display_proxy.rb', line 36

def message_boxes
  @message_boxes ||= []
end

#modal_open? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/glimmer/swt/display_proxy.rb', line 60

def modal_open?
  message_box_open? or dialog_open?
end

#modals ⇒ Object 



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# File 'lib/glimmer/swt/display_proxy.rb', line 44

def modals
  message_boxes + dialogs
end

#observation_request_to_event_mapping ⇒ Object 



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# File 'lib/glimmer/swt/display_proxy.rb', line 87

def observation_request_to_event_mapping
  {
    'on_swt_keydown' => [
      {
        event: 'keypress',
        event_handler: -> (event_listener) {
          -> (event) {
            event.singleton_class.define_method(:character) do
              which || key_code
            end
            event.define_singleton_method(:keyCode) {event.which}
            event.define_singleton_method(:key_code, &event.method(:keyCode))
            event.define_singleton_method(:character) {event.which.chr}
            event.define_singleton_method(:stateMask) do
              state_mask = 0
              state_mask |= SWTProxy[:alt] if event.alt_key
              state_mask |= SWTProxy[:ctrl] if event.ctrl_key
              state_mask |= SWTProxy[:shift] if event.shift_key
              state_mask |= SWTProxy[:command] if event.meta_key
              state_mask
            end
            event.define_singleton_method(:state_mask, &event.method(:stateMask))
            doit = true
            event.define_singleton_method(:doit=) do |value|
              doit = value
            end
            event.define_singleton_method(:doit) { doit }
            event_listener.call(event)
            
              # TODO Fix doit false, it's not stopping input
            unless doit
              event.prevent
              event.prevent_default
              event.stop_propagation
              event.stop_immediate_propagation
            end
            
            doit
          }
        }
      },
      {
        event: 'keydown',
        event_handler: -> (event_listener) {
          -> (event) {
            event.singleton_class.define_method(:character) do
              which || key_code
            end
            event.define_singleton_method(:keyCode) {event.which}
            event.define_singleton_method(:key_code, &event.method(:keyCode))
            event.define_singleton_method(:character) {event.which.chr}
            event.define_singleton_method(:stateMask) do
              state_mask = 0
              state_mask |= SWTProxy[:alt] if event.alt_key
              state_mask |= SWTProxy[:ctrl] if event.ctrl_key
              state_mask |= SWTProxy[:shift] if event.shift_key
              state_mask |= SWTProxy[:command] if event.meta_key
              state_mask
            end
            event.define_singleton_method(:state_mask, &event.method(:stateMask))
            doit = true
            event.define_singleton_method(:doit=) do |value|
              doit = value
            end
            event.define_singleton_method(:doit) { doit }
            event_listener.call(event) if event.key_code != 13 && (event.key_code == 127 || event.key_code <= 31)
            
              # TODO Fix doit false, it's not stopping input
            unless doit
              event.prevent
              event.prevent_default
              event.stop_propagation
              event.stop_immediate_propagation
            end
            
            doit
          }
        }
      }
    ]
  }
end

#opened_dialogs ⇒ Object 



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# File 'lib/glimmer/swt/display_proxy.rb', line 56

def opened_dialogs
  dialogs.select(&:open?)
end

#path ⇒ Object 



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# File 'lib/glimmer/swt/display_proxy.rb', line 19

def path
  "html body"
end

#render ⇒ Object 



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# File 'lib/glimmer/swt/display_proxy.rb', line 64

def render
  # No rendering as body is rendered as part of ShellProxy.. this class only serves as an SWT Display utility
end

#shells ⇒ Object 



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# File 'lib/glimmer/swt/display_proxy.rb', line 32

def shells
  @shells ||= []
end