Class: Glimmer::SWT::Custom::Shape
- Inherits:
-
Object
- Object
- Glimmer::SWT::Custom::Shape
- Includes:
- Properties
- Defined in:
- lib/glimmer/swt/custom/shape/arc.rb,
lib/glimmer/swt/custom/shape/line.rb,
lib/glimmer/swt/custom/shape/oval.rb,
lib/glimmer/swt/custom/shape/path.rb,
lib/glimmer/swt/custom/shape/quad.rb,
lib/glimmer/swt/custom/shape/text.rb,
lib/glimmer/swt/custom/shape/cubic.rb,
lib/glimmer/swt/custom/shape/focus.rb,
lib/glimmer/swt/custom/shape/image.rb,
lib/glimmer/swt/custom/shape/point.rb,
lib/glimmer/swt/custom/shape/polygon.rb,
lib/glimmer/swt/custom/shape/polyline.rb,
lib/glimmer/swt/custom/shape/rectangle.rb,
lib/glimmer/swt/custom/shape/path_segment.rb,
lib/glimmer/swt/custom/shape.rb
Overview
Represents a shape (graphics) to be drawn on a control/widget/canvas/display That is because Shape is drawn on a parent as graphics and doesn’t have an SWT widget for itself
Direct Known Subclasses
Arc, Focus, Image, Line, Oval, Path, Point, Polygon, Polyline, Rectangle, Text
Defined Under Namespace
Modules: PathSegment Classes: Arc, Cubic, DropEvent, Focus, Image, Line, Oval, Path, Point, Polygon, Polyline, Quad, Rectangle, Text
Constant Summary collapse
- String =
Text
Class Attribute Summary collapse
-
.dragged_shape ⇒ Object
Returns the value of attribute dragged_shape.
-
.dragged_shape_original_x ⇒ Object
Returns the value of attribute dragged_shape_original_x.
-
.dragged_shape_original_y ⇒ Object
Returns the value of attribute dragged_shape_original_y.
-
.dragging ⇒ Object
(also: dragging?)
Returns the value of attribute dragging.
-
.dragging_x ⇒ Object
Returns the value of attribute dragging_x.
-
.dragging_y ⇒ Object
Returns the value of attribute dragging_y.
-
.drop_shape_handling_count ⇒ Object
Returns the value of attribute drop_shape_handling_count.
Instance Attribute Summary collapse
-
#args ⇒ Object
readonly
Returns the value of attribute args.
-
#disposed ⇒ Object
(also: #disposed?, #is_disposed)
readonly
Returns the value of attribute disposed.
-
#drawable ⇒ Object
readonly
Returns the value of attribute drawable.
-
#extent ⇒ Object
Returns the value of attribute extent.
-
#name ⇒ Object
readonly
Returns the value of attribute name.
-
#options ⇒ Object
readonly
Returns the value of attribute options.
-
#parent ⇒ Object
readonly
Returns the value of attribute parent.
-
#properties ⇒ Object
readonly
Returns the value of attribute properties.
-
#shapes ⇒ Object
readonly
Returns the value of attribute shapes.
-
#widget_listener_proxies ⇒ Object
readonly
Returns the value of attribute widget_listener_proxies.
Class Method Summary collapse
- .arg_options(args, extract: false) ⇒ Object
- .create(parent, keyword, *args, &property_block) ⇒ Object
- .flyweight_method_names ⇒ Object
- .flyweight_patterns ⇒ Object
- .gc_instance_methods ⇒ Object
- .keywords ⇒ Object
- .method_name(keyword, method_arg_options) ⇒ Object
- .pattern(*args) ⇒ Object
- .valid?(parent, keyword, *args, &block) ⇒ Boolean
Instance Method Summary collapse
- #absolute_x ⇒ Object
- #absolute_y ⇒ Object
- #add_shape(shape) ⇒ Object
- #all_parent_properties ⇒ Object
- #amend_method_name_options_based_on_properties! ⇒ Object
- #any_potential_drop_targets?(x, y) ⇒ Boolean
- #apply_property_arg_conversions(property, args) ⇒ Object
- #apply_shape_arg_conversions! ⇒ Object
- #apply_shape_arg_defaults! ⇒ Object
- #background_pattern_args ⇒ Object
-
#bounds ⇒ Object
The bounding box top-left x, y, width, height in absolute positioning.
- #bounds_contain?(x, y) ⇒ Boolean
-
#calculate_args! ⇒ Object
args translated to absolute coordinates.
- #calculate_paint_args! ⇒ Object
- #calculated_args? ⇒ Boolean
- #calculated_args_changed!(children: true) ⇒ Object
-
#calculated_args_changed_for_defaults! ⇒ Object
Notifies object that calculated args changed for defaults.
- #calculated_height ⇒ Object
- #calculated_paint_args_changed!(children: true) ⇒ Object
- #calculated_width ⇒ Object
- #calculated_x ⇒ Object
- #calculated_y ⇒ Object
- #can_handle_observation_request?(observation_request) ⇒ Boolean
- #cancel_dragging! ⇒ Object
- #center_x ⇒ Object
- #center_y ⇒ Object
-
#clear_shapes(dispose_images: true, dispose_patterns: true, redraw: :all) ⇒ Object
(also: #dispose_shapes)
clear all shapes indicate whether to dispose images, dispose patterns, and redraw after clearing shapes.
-
#composite? ⇒ Boolean
Indicate if this is a composite shape (meaning a shape that contains nested shapes like a rectangle with ovals inside it).
-
#contain?(x, y) ⇒ Boolean
Returns if shape contains a point Subclasses (like polygon) may override to indicate if a point x,y coordinates falls inside the shape some shapes may choose to provide a fuzz factor to make usage of this method for mouse clicking more user friendly.
-
#container? ⇒ Boolean
Indicate if this is a container shape (meaning a shape bag that is just there to contain nested shapes, but doesn’t render anything of its own).
- #content(&block) ⇒ Object
- #convert_properties! ⇒ Object
- #converted_properties ⇒ Object
- #current_parameter_name?(attribute_name) ⇒ Boolean
- #default_height ⇒ Object
- #default_height? ⇒ Boolean
- #default_width ⇒ Object
- #default_width? ⇒ Boolean
- #default_x ⇒ Object
- #default_x? ⇒ Boolean
- #default_y ⇒ Object
- #default_y? ⇒ Boolean
- #deregister_drag_listeners ⇒ Object
- #dispose(dispose_images: true, dispose_patterns: true, redraw: true) ⇒ Object
- #drag_and_move ⇒ Object
-
#drag_and_move=(drag_and_move_value) ⇒ Object
Enables dragging for drag and move within parent widget drag_and_move and drag_source are mutually exclusive if shape had drag_source true, it is disabled by deregistering its listeners.
- #drag_source ⇒ Object
-
#drag_source=(drag_source_value) ⇒ Object
Makes shape a drag source (enables dragging for drag and drop) drag_source and drag_and_move are mutually exclusive if shape had drag_and_move true, it is disabled by deregistering its listeners.
- #draw? ⇒ Boolean (also: #drawn?)
- #ensure_extent(paint_event) ⇒ Object
- #expanded_shapes(except_shape: nil) ⇒ Object
- #fill? ⇒ Boolean (also: #filled?)
- #foreground_pattern_args ⇒ Object
- #get_attribute(attribute_name) ⇒ Object
-
#get_data(key = nil) ⇒ Object
(also: #getData, #data)
Gets data just like SWT widgets.
- #get_parameter_attribute(attribute_name) ⇒ Object
- #gradient? ⇒ Boolean
- #handle_observation_request(observation_request, source_observation_request: nil, &block) ⇒ Object
- #has_attribute?(attribute_name, *args) ⇒ Boolean
- #has_some_background? ⇒ Boolean
- #has_some_foreground? ⇒ Boolean
- #height_delta ⇒ Object
- #height_delta=(delta) ⇒ Object
-
#include?(x, y) ⇒ Boolean
Returns if shape includes a point.
-
#include_shape?(other) ⇒ Boolean
Recursively checks if other shape is included in this shape, beginning by comparing to self and then recursing into children shapes.
- #include_with_children?(x, y, except_shape: nil) ⇒ Boolean
-
#initialize(parent, keyword, *args, &property_block) ⇒ Shape
constructor
TODO consider making shapes return a dup, always, in case consumers want to dispose.
-
#inspect(recursive: 1, calculated: false, args: true, properties: true, calculated_args: false) ⇒ Object
Overriding inspect to avoid printing very long nested shape hierarchies (recurses onces only).
-
#inverse_transform_point(x, y) ⇒ Object
if there is a transform, invert it and apply on x, y point coordinates.
-
#irregular? ⇒ Boolean
Indicates if a shape’s x, y, width, height differ from its bounds calculation (e.g. arc / polygon).
-
#location ⇒ Object
The bounding box top-left x and y.
-
#location_parameter_names ⇒ Object
subclasses may override to specify location parameter names if different from x and y (e.g. all polygon points are location parameters) used in calculating movement changes.
- #max_height ⇒ Object
- #max_height? ⇒ Boolean
- #max_width ⇒ Object
- #max_width? ⇒ Boolean
- #method_missing(method_name, *args, &block) ⇒ Object
-
#move_by(x_delta, y_delta) ⇒ Object
(also: #translate)
moves by x delta and y delta.
- #paint(paint_event) ⇒ Object
- #paint_children(paint_event) ⇒ Object
- #paint_self(paint_event) ⇒ Object
- #parameter_index(attribute_name) ⇒ Object
- #parameter_name?(attribute_name) ⇒ Boolean
-
#parameter_names ⇒ Object
parameter names for arguments to pass to SWT GC.xyz method for rendering shape (e.g. draw_image(image, x, y) yields :image, :x, :y parameter names).
-
#parent_shape_composites ⇒ Object
ordered from closest to farthest parent.
-
#parent_shape_containers ⇒ Object
ordered from closest to farthest parent.
-
#parent_shapes ⇒ Object
ordered from closest to farthest parent.
- #pattern(*args, type: nil) ⇒ Object
- #pattern_args(type: nil) ⇒ Object
- #possible_parameter_names ⇒ Object
- #post_add_content ⇒ Object
- #remove_shape_disposed_listener(listener_block) ⇒ Object
- #respond_to?(method_name, *args, &block) ⇒ Boolean
-
#rotate(angle) ⇒ Object
rotates shape for an angle around its center this operation is not cumulative (it resets angle every time) consumers may inspect corresponding rotation_angle attribute to know which angle the shape is currently at for convenience this overrides any pre-existing transforms that are applied to shape.
-
#rotation_angle ⇒ Object
returns rotation angle consumers may inspect rotation_angle attribute to know which angle the shape is rotated at via rotate method it is not guaranteed to give the right result if a transform is applied outside of rotate method.
- #round? ⇒ Boolean
- #set_attribute(attribute_name, *args) ⇒ Object
-
#set_data(key = nil, value) ⇒ Object
(also: #setData)
Sets data just like SWT widgets.
- #set_parameter_attribute(attribute_name, *args) ⇒ Object
- #shell_proxy ⇒ Object
-
#size ⇒ Object
The bounding box width and height (as a Point object with x being width and y being height).
-
#tolerate_shape_extra_args! ⇒ Object
Tolerates shape extra args added by user by mistake (e.g. happens when switching from round rectangle to a standard one without removing all extra args).
-
#transform_point(x, y) ⇒ Object
if there is a transform, apply on x, y point coordinates.
- #width_delta ⇒ Object
- #width_delta=(delta) ⇒ Object
- #x_delta ⇒ Object
- #x_delta=(delta) ⇒ Object
-
#x_end ⇒ Object
right-most x coordinate in this shape (adding up its width and location).
- #y_delta ⇒ Object
- #y_delta=(delta) ⇒ Object
-
#y_end ⇒ Object
bottom-most y coordinate in this shape (adding up its height and location).
Methods included from Properties
attribute_getter, #attribute_getter, attribute_setter, #attribute_setter, normalized_attribute, #normalized_attribute, ruby_attribute_getter, #ruby_attribute_setter, ruby_attribute_setter
Constructor Details
#initialize(parent, keyword, *args, &property_block) ⇒ Shape
TODO consider making shapes return a dup, always, in case consumers want to dispose
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# File 'lib/glimmer/swt/custom/shape.rb', line 144 def initialize(parent, keyword, *args, &property_block) @parent = parent @drawable = @parent.is_a?(Drawable) ? @parent : @parent.drawable @name = keyword @options = self.class.(args, extract: true) @method_name = self.class.method_name(keyword, @options) unless keyword.to_s == 'shape' @args = args @properties = {} @shapes = [] # nested shapes @options.reject {|key, value| %w[fill gradient round].include?(key.to_s)}.each do |property, property_args| @properties[property] = property_args end @parent.add_shape(self) post_add_content if property_block.nil? end |
Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(method_name, *args, &block) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 743 def method_missing(method_name, *args, &block) if method_name.to_s.end_with?('=') set_attribute(method_name, *args) elsif has_attribute?(method_name) get_attribute(method_name) elsif block && can_handle_observation_request?(method_name) handle_observation_request(method_name, &block) else super end end |
Class Attribute Details
.dragged_shape ⇒ Object
Returns the value of attribute dragged_shape.
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# File 'lib/glimmer/swt/custom/shape.rb', line 69 def dragged_shape @dragged_shape end |
.dragged_shape_original_x ⇒ Object
Returns the value of attribute dragged_shape_original_x.
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# File 'lib/glimmer/swt/custom/shape.rb', line 69 def dragged_shape_original_x @dragged_shape_original_x end |
.dragged_shape_original_y ⇒ Object
Returns the value of attribute dragged_shape_original_y.
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# File 'lib/glimmer/swt/custom/shape.rb', line 69 def dragged_shape_original_y @dragged_shape_original_y end |
.dragging ⇒ Object Also known as: dragging?
Returns the value of attribute dragging.
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# File 'lib/glimmer/swt/custom/shape.rb', line 69 def dragging @dragging end |
.dragging_x ⇒ Object
Returns the value of attribute dragging_x.
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# File 'lib/glimmer/swt/custom/shape.rb', line 69 def dragging_x @dragging_x end |
.dragging_y ⇒ Object
Returns the value of attribute dragging_y.
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# File 'lib/glimmer/swt/custom/shape.rb', line 69 def dragging_y @dragging_y end |
.drop_shape_handling_count ⇒ Object
Returns the value of attribute drop_shape_handling_count.
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# File 'lib/glimmer/swt/custom/shape.rb', line 69 def drop_shape_handling_count @drop_shape_handling_count end |
Instance Attribute Details
#args ⇒ Object (readonly)
Returns the value of attribute args.
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# File 'lib/glimmer/swt/custom/shape.rb', line 138 def args @args end |
#disposed ⇒ Object (readonly) Also known as: disposed?, is_disposed
Returns the value of attribute disposed.
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# File 'lib/glimmer/swt/custom/shape.rb', line 138 def disposed @disposed end |
#drawable ⇒ Object (readonly)
Returns the value of attribute drawable.
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# File 'lib/glimmer/swt/custom/shape.rb', line 138 def drawable @drawable end |
#extent ⇒ Object
Returns the value of attribute extent.
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# File 'lib/glimmer/swt/custom/shape.rb', line 139 def extent @extent end |
#name ⇒ Object (readonly)
Returns the value of attribute name.
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# File 'lib/glimmer/swt/custom/shape.rb', line 138 def name @name end |
#options ⇒ Object (readonly)
Returns the value of attribute options.
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# File 'lib/glimmer/swt/custom/shape.rb', line 138 def @options end |
#parent ⇒ Object (readonly)
Returns the value of attribute parent.
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# File 'lib/glimmer/swt/custom/shape.rb', line 138 def parent @parent end |
#properties ⇒ Object (readonly)
Returns the value of attribute properties.
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# File 'lib/glimmer/swt/custom/shape.rb', line 138 def properties @properties end |
#shapes ⇒ Object (readonly)
Returns the value of attribute shapes.
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# File 'lib/glimmer/swt/custom/shape.rb', line 138 def shapes @shapes end |
#widget_listener_proxies ⇒ Object (readonly)
Returns the value of attribute widget_listener_proxies.
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# File 'lib/glimmer/swt/custom/shape.rb', line 138 def @widget_listener_proxies end |
Class Method Details
.arg_options(args, extract: false) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 101 def (args, extract: false) = extract ? :pop : :last = args.send().symbolize_keys if args.last.is_a?(Hash) # normalize :filled option as an alias to :fill # options[:fill] = options.delete(:filled) if options&.keys&.include?(:filled) .nil? ? {} : end |
.create(parent, keyword, *args, &property_block) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 72 def create(parent, keyword, *args, &property_block) potential_shape_class_name = keyword.to_s.camelcase(:upper).to_sym if constants.include?(potential_shape_class_name) const_get(potential_shape_class_name).new(parent, keyword, *args, &property_block) else new(parent, keyword, *args, &property_block) end end |
.flyweight_method_names ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 121 def flyweight_method_names @flyweight_method_names ||= {} end |
.flyweight_patterns ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 133 def flyweight_patterns @flyweight_patterns ||= {} end |
.gc_instance_methods ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 87 def gc_instance_methods @gc_instance_methods ||= org.eclipse.swt.graphics.GC.instance_methods.map(&:to_s) end |
.keywords ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 91 def keywords @keywords ||= gc_instance_methods.select do |method_name| !method_name.end_with?('=') && (method_name.start_with?('draw_') || method_name.start_with?('fill_')) end.reject do |method_name| gc_instance_methods.include?("#{method_name}=") || gc_instance_methods.include?("set_#{method_name}") end.map do |method_name| method_name.gsub(/(draw|fill|gradient|round)_/, '') end.uniq.compact.to_a end |
.method_name(keyword, method_arg_options) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 109 def method_name(keyword, ) keyword = keyword.to_s = .select {|key, value| %w[fill gradient round].include?(key.to_s)} unless flyweight_method_names.keys.include?([keyword, ]) gradient = 'Gradient' if [:gradient] round = 'Round' if [:round] gc_instance_method_name_prefix = !['polyline', 'point', 'image', 'focus'].include?(keyword) && ([:fill] || [:gradient]) ? 'fill' : 'draw' flyweight_method_names[[keyword, ]] = "#{gc_instance_method_name_prefix}#{gradient}#{round}#{keyword.capitalize}" end flyweight_method_names[[keyword, ]] end |
.pattern(*args) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 125 def pattern(*args) found_pattern = flyweight_patterns[args] if found_pattern.nil? || found_pattern.is_disposed found_pattern = flyweight_patterns[args] = org.eclipse.swt.graphics.Pattern.new(*args) end found_pattern end |
.valid?(parent, keyword, *args, &block) ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 81 def valid?(parent, keyword, *args, &block) return true if keyword.to_s == 'shape' gc_instance_methods.include?(method_name(keyword, (args))) || constants.include?(keyword.to_s.camelcase(:upper).to_sym) end |
Instance Method Details
#absolute_x ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1401 def absolute_x absolute_x_dependencies = [calculated_x, parent.is_a?(Shape) && parent.absolute_x] if absolute_x_dependencies != @absolute_x_dependencies # do not repeat calculations calculated_x, parent_absolute_x = @absolute_x_dependencies = absolute_x_dependencies x = calculated_x @absolute_x = if parent.is_a?(Shape) parent_absolute_x + x else x end end @absolute_x end |
#absolute_y ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1416 def absolute_y absolute_y_dependencies = [calculated_y, parent.is_a?(Shape) && parent.absolute_y] if absolute_y_dependencies != @absolute_y_dependencies calculated_y, parent_absolute_y = @absolute_y_dependencies = absolute_y_dependencies y = calculated_y @absolute_y = if parent.is_a?(Shape) parent_absolute_y + y else y end end @absolute_y end |
#add_shape(shape) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 160 def add_shape(shape) @shapes << shape calculated_args_changed_for_defaults! end |
#all_parent_properties ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 974 def all_parent_properties @all_parent_properties ||= parent_shape_containers.reverse.reduce({}) do |all_properties, parent_shape| all_properties.merge(parent_shape.converted_properties) end end |
#amend_method_name_options_based_on_properties! ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 512 def @original_method_name = @method_name return if @name == 'point' if (@name != 'text' && @name != 'string' && has_some_background? && !has_some_foreground?) || (@name == 'path' && has_some_background?) @options[:fill] = true elsif !has_some_background? && has_some_foreground? @options[:fill] = false elsif @name == 'rectangle' && has_some_background? && has_some_foreground? @options[:fill] = true @options[:gradient] = true end if @name == 'rectangle' && @args.size > 4 && @args.last.is_a?(Numeric) @options[:round] = true end @method_name = self.class.method_name(@name, @options) end |
#any_potential_drop_targets?(x, y) ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 838 def any_potential_drop_targets?(x, y) drawable.drop_shapes.any? { |shape| shape.include_with_children?(x, y, except_shape: Shape.dragged_shape) } end |
#apply_property_arg_conversions(property, args) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 367 def apply_property_arg_conversions(property, args) method_name = attribute_setter(property) args = args.dup the_java_method = org.eclipse.swt.graphics.GC.java_class.declared_instance_methods.detect {|m| m.name == method_name} return args if the_java_method.nil? if the_java_method.parameter_types.first == org.eclipse.swt.graphics.Color.java_class && args.first.is_a?(org.eclipse.swt.graphics.RGB) args[0] = [args[0].red, args[0].green, args[0].blue] end if ['setBackground', 'setForeground'].include?(method_name.to_s) && args.first.is_a?(Array) args[0] = ColorProxy.new(args[0]) end if method_name.to_s == 'setLineDash' && args.size > 1 args[0] = args.dup args[1..-1] = [] end if method_name.to_s == 'setAntialias' && [nil, true, false].include?(args.first) args[0] = case args.first when true args[0] = :on when false args[0] = :off when nil args[0] = :default end end if args.first.is_a?(Symbol) || args.first.is_a?(::String) if the_java_method.parameter_types.first == org.eclipse.swt.graphics.Color.java_class args[0] = ColorProxy.new(args[0]) end if method_name.to_s == 'setLineStyle' args[0] = "line_#{args[0]}" if !args[0].to_s.downcase.start_with?('line_') end if method_name.to_s == 'setFillRule' args[0] = "fill_#{args[0]}" if !args[0].to_s.downcase.start_with?('fill_') end if method_name.to_s == 'setLineCap' args[0] = "cap_#{args[0]}" if !args[0].to_s.downcase.start_with?('cap_') end if method_name.to_s == 'setLineJoin' args[0] = "join_#{args[0]}" if !args[0].to_s.downcase.start_with?('join_') end if the_java_method.parameter_types.first == Java::int.java_class args[0] = SWTProxy.constant(args[0]) end end if args.first.is_a?(ColorProxy) args[0] = args[0].swt_color end if (args.first.is_a?(Hash) || args.first.is_a?(org.eclipse.swt.graphics.FontData)) && the_java_method.parameter_types.first == org.eclipse.swt.graphics.Font.java_class args[0] = FontProxy.new(args[0]) end if args.first.is_a?(FontProxy) args[0] = args[0].swt_font end if args.first.is_a?(TransformProxy) args[0] = args[0].swt_transform end if ['setBackgroundPattern', 'setForegroundPattern'].include?(method_name.to_s) @drawable.requires_shape_disposal = true args = args.first if args.first.is_a?(Array) args.each_with_index do |arg, i| arg = ColorProxy.new(arg.red, arg.green, arg.blue) if arg.is_a?(org.eclipse.swt.graphics.RGB) arg = ColorProxy.new(arg) if arg.is_a?(Symbol) || arg.is_a?(::String) arg = arg.swt_color if arg.is_a?(ColorProxy) args[i] = arg end @pattern_args ||= {} pattern_type = method_name.to_s.match(/set(.+)Pattern/)[1] if args.first.is_a?(org.eclipse.swt.graphics.Pattern) new_args = @pattern_args[pattern_type] else new_args = args.first.is_a?(org.eclipse.swt..Display) ? args : ([DisplayProxy.instance.swt_display] + args) @pattern_args[pattern_type] = new_args.dup end args[0] = pattern(*new_args, type: pattern_type) args[1..-1] = [] end args end |
#apply_shape_arg_conversions! ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 447 def apply_shape_arg_conversions! if @args.size > 1 && (['polygon', 'polyline'].include?(@name)) @args[0] = @args.dup @args[1..-1] = [] end if @name == 'image' if @args.first.is_a?(::String) @args[0] = ImageProxy.create(@args[0]) end if @args.first.is_a?(ImageProxy) @image = @args[0] = @args[0].swt_image end if @args.first.nil? @image = nil end end if @name == 'text' if @args[3].is_a?(Symbol) || @args[3].is_a?(::String) @args[3] = [@args[3]] end if @args[3].is_a?(Array) if @args[3].size == 1 && @args[3].first.is_a?(Array) @args[3] = @args[3].first end @args[3] = SWTProxy[*@args[3]] end end end |
#apply_shape_arg_defaults! ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 476 def apply_shape_arg_defaults! if current_parameter_name?(:dest_x) && dest_x.nil? self.dest_x = :default elsif parameter_name?(:x) && x.nil? self.x = :default end if current_parameter_name?(:dest_y) && dest_y.nil? self.dest_y = :default elsif parameter_name?(:y) && y.nil? self.y = :default end self.width = :default if current_parameter_name?(:width) && width.nil? self.height = :default if current_parameter_name?(:height) && height.nil? if @name.include?('rectangle') && round? && @args.size.between?(4, 5) (6 - @args.size).times {@args << 60} elsif @name.include?('rectangle') && gradient? && @args.size == 4 set_attribute('vertical', true, redraw: false) elsif (@name.include?('text') || @name.include?('string')) && !@properties.keys.map(&:to_s).include?('background') && @args.size < 4 set_attribute('is_transparent', true, redraw: false) end if @name.include?('image') @drawable.requires_shape_disposal = true end end |
#background_pattern_args ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 864 def background_pattern_args pattern_args(type: 'background') end |
#bounds ⇒ Object
The bounding box top-left x, y, width, height in absolute positioning
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# File 'lib/glimmer/swt/custom/shape.rb', line 184 def bounds bounds_dependencies = [absolute_x, absolute_y, calculated_width, calculated_height] if bounds_dependencies != @bounds_dependencies # avoid repeating calculations absolute_x, absolute_y, calculated_width, calculated_height = @bounds_dependencies = bounds_dependencies @bounds = org.eclipse.swt.graphics.Rectangle.new(absolute_x, absolute_y, calculated_width, calculated_height) end @bounds end |
#bounds_contain?(x, y) ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 237 def bounds_contain?(x, y) x, y = inverse_transform_point(x, y) bounds.contains(x, y) end |
#calculate_args! ⇒ Object
args translated to absolute coordinates
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# File 'lib/glimmer/swt/custom/shape.rb', line 1091 def calculate_args! return @args if parent.is_a?(Drawable) && !default_x? && !default_y? && !default_width? && !default_height? && !max_width? && !max_height? calculated_args_dependencies = [ x, y, parent.is_a?(Shape) && parent.absolute_x, parent.is_a?(Shape) && parent.absolute_y, default_width? && default_width, default_width? && width_delta, default_height? && default_height, default_height? && height_delta, max_width? && max_width, max_width? && width_delta, max_height? && max_height, max_height? && height_delta, default_x? && default_x, default_x? && x_delta, default_y? && default_y, default_y? && y_delta, (['text', 'string'].include?(@name) && string), ] if calculated_args_dependencies != @calculated_args_dependencies # avoid recalculating values again x, y, parent_absolute_x, parent_absolute_y, default_width, default_width_delta, default_height, default_height_delta, max_width, max_width_delta, max_height, max_height_delta, default_x, default_x_delta, default_y, default_y_delta, string = @calculated_args_dependencies = calculated_args_dependencies # Note: Must set x and move_by because not all shapes have a real x and some must translate all their points with move_by # TODO change that by setting a bounding box for all shapes with a calculated top-left x, y and # a setter that does the moving inside them instead so that I could rely on absolute_x and absolute_y # here to get the job done of calculating absolute args @perform_redraw = false original_x = nil original_y = nil original_width = nil original_height = nil if parent.is_a?(Shape) @parent_absolute_x = parent_absolute_x @parent_absolute_y = parent_absolute_y end if default_width? original_width = width self.width = default_width + default_width_delta end if default_height? original_height = height self.height = default_height + default_height_delta end if max_width? original_width = width self.width = max_width + max_width_delta end if max_height? original_height = height self.height = max_height + max_height_delta end if default_x? original_x = x self.x = default_x + default_x_delta end if default_y? original_y = y self.y = default_y + default_y_delta end if parent.is_a?(Shape) move_by(@parent_absolute_x, @parent_absolute_y) @result_calculated_args = @args.clone move_by(-1*@parent_absolute_x, -1*@parent_absolute_y) else @result_calculated_args = @args.clone end if original_x self.x = original_x end if original_y self.y = original_y end if original_width self.width = original_width end if original_height self.height = original_height end @perform_redraw = true end @result_calculated_args end |
#calculate_paint_args! ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1445 def calculate_paint_args! unless @calculated_paint_args if @name == 'pixel' @name = 'point' # optimized performance calculation for pixel points if !@properties[:foreground].is_a?(org.eclipse.swt.graphics.Color) if @properties[:foreground].is_a?(Array) @properties[:foreground] = ColorProxy.new(@properties[:foreground], ensure_bounds: false) end if @properties[:foreground].is_a?(Symbol) || @properties[:foreground].is_a?(::String) @properties[:foreground] = ColorProxy.new(@properties[:foreground], ensure_bounds: false) end if @properties[:foreground].is_a?(ColorProxy) @properties[:foreground] = @properties[:foreground].swt_color end end else @original_properties ||= @properties @properties = all_parent_properties.merge(@original_properties) @properties['background'] = [@drawable.background] if fill? && !has_some_background? @properties['foreground'] = [@drawable.foreground] if @drawable.respond_to?(:foreground) && draw? && !has_some_foreground? # TODO regarding alpha, make sure to reset it to parent stored alpha once we allow setting shape properties on parents directly without shapes @properties['font'] = [@drawable.font] if @drawable.respond_to?(:font) && @name == 'text' && draw? && !@properties.keys.map(&:to_s).include?('font') # TODO regarding transform, make sure to reset it to parent stored transform once we allow setting shape properties on parents directly without shapes # Also do that with all future-added properties convert_properties! apply_shape_arg_conversions! apply_shape_arg_defaults! tolerate_shape_extra_args! @calculated_paint_args = true end end end |
#calculated_args? ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 1086 def calculated_args? !!@calculated_args end |
#calculated_args_changed!(children: true) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1058 def calculated_args_changed!(children: true) @calculated_args = nil shapes.each(&:calculated_args_changed!) if children end |
#calculated_args_changed_for_defaults! ⇒ Object
Notifies object that calculated args changed for defaults. Returns true if redrawing and false otherwise.
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# File 'lib/glimmer/swt/custom/shape.rb', line 1070 def calculated_args_changed_for_defaults! has_default_dimensions = default_width? || default_height? parent_calculated_args_changed_for_defaults = has_default_dimensions calculated_args_changed!(children: false) if default_x? || default_y? || has_default_dimensions if has_default_dimensions && parent.is_a?(Shape) parent.calculated_args_changed_for_defaults! elsif @content_added && !drawable.is_disposed # TODO consider optimizing in the future if needed by ensuring one redraw for all parents in the hierarchy at the end instead of doing one per parent that needs it if !@painting && !drawable.is_a?(ImageProxy) drawable.redraw return true end end false end |
#calculated_height ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1323 def calculated_height calculated_height_dependencies = [height, default_height? && (default_height + height_delta), max_height? && (max_height + height_delta)] if calculated_height_dependencies != @calculated_height_dependencies @calculated_height_dependencies = calculated_height_dependencies result_height = height result_height = (default_height + height_delta) if default_height? result_height = (max_height + height_delta) if max_height? @calculated_height = result_height end @calculated_height end |
#calculated_paint_args_changed!(children: true) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1063 def calculated_paint_args_changed!(children: true) @calculated_paint_args = nil @all_parent_properties = nil shapes.each(&:calculated_paint_args_changed!) if children end |
#calculated_width ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1311 def calculated_width calculated_width_dependencies = [width, default_width? && (default_width + width_delta), max_width? && (max_width + width_delta)] if calculated_width_dependencies != @calculated_width_dependencies @calculated_width_dependencies = calculated_width_dependencies result_width = width result_width = (default_width + width_delta) if default_width? result_width = (max_width + width_delta) if max_width? @calculated_width = result_width end @calculated_width end |
#calculated_x ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1379 def calculated_x calculated_x_dependencies = [default_x? && default_x, !default_x? && self.x, self.x_delta] if calculated_x_dependencies != @calculated_x_dependencies default_x, x, x_delta = @calculated_x_dependencies = calculated_x_dependencies result = default_x? ? default_x : x result += x_delta @calculated_x = result end @calculated_x end |
#calculated_y ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1390 def calculated_y calculated_y_dependencies = [default_y? && default_y, !default_y? && self.y, self.y_delta] if calculated_y_dependencies != @calculated_y_dependencies default_y, y, y_delta = @calculated_y_dependencies = calculated_y_dependencies result = default_y? ? default_y : y result += y_delta @calculated_y = result end @calculated_y end |
#can_handle_observation_request?(observation_request) ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 633 def can_handle_observation_request?(observation_request) observation_request = observation_request.to_s observation_request.start_with?('on_') && ( observation_request == 'on_shape_disposed' || ( drawable.respond_to?(:can_handle_observation_request?) && drawable.can_handle_observation_request?(observation_request) ) ) end |
#cancel_dragging! ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 842 def cancel_dragging! Shape.dragging = false if Shape.dragged_shape Shape.dragged_shape.x = Shape.dragged_shape_original_x Shape.dragged_shape.y = Shape.dragged_shape_original_y Shape.dragged_shape = nil end end |
#center_x ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 323 def center_x center_x_dependencies = [x_end, calculated_width] if center_x_dependencies != @center_x_dependencies @center_x_dependencies = center_x_dependencies the_x_end, the_calculated_width = center_x_dependencies @center_x = the_x_end - the_calculated_width/2.0 end @center_x end |
#center_y ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 333 def center_y center_y_dependencies = [y_end, calculated_height] if center_y_dependencies != @center_y_dependencies @center_y_dependencies = center_y_dependencies the_y_end, the_calculated_height = center_y_dependencies @center_y = the_y_end - the_calculated_height/2.0 end @center_y end |
#clear_shapes(dispose_images: true, dispose_patterns: true, redraw: :all) ⇒ Object Also known as: dispose_shapes
clear all shapes indicate whether to dispose images, dispose patterns, and redraw after clearing shapes. redraw can be ‘:all` or `true` to mean redraw after all shapes are disposed, `:each` to mean redraw after each shape is disposed, or `false` to avoid redraw altogether
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# File 'lib/glimmer/swt/custom/shape.rb', line 898 def clear_shapes(dispose_images: true, dispose_patterns: true, redraw: :all) if redraw == true || redraw == :all shapes.dup.each {|shape| shape.dispose(dispose_images: dispose_images, dispose_patterns: dispose_patterns, redraw: false) } drawable.redraw if redraw && !drawable.is_a?(ImageProxy) elsif redraw == :each shapes.dup.each {|shape| shape.dispose(dispose_images: dispose_images, dispose_patterns: dispose_patterns, redraw: true) } else shapes.dup.each {|shape| shape.dispose(dispose_images: dispose_images, dispose_patterns: dispose_patterns, redraw: false) } end end |
#composite? ⇒ Boolean
Indicate if this is a composite shape (meaning a shape that contains nested shapes like a rectangle with ovals inside it)
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# File 'lib/glimmer/swt/custom/shape.rb', line 916 def composite? !shapes.empty? end |
#contain?(x, y) ⇒ Boolean
Returns if shape contains a point Subclasses (like polygon) may override to indicate if a point x,y coordinates falls inside the shape some shapes may choose to provide a fuzz factor to make usage of this method for mouse clicking more user friendly
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# File 'lib/glimmer/swt/custom/shape.rb', line 217 def contain?(x, y) x, y = inverse_transform_point(x, y) # assume a rectangular filled shape by default (works for several shapes like image, text, and focus) x.between?(self.absolute_x, self.absolute_x + calculated_width.to_f) && y.between?(self.absolute_y, self.absolute_y + calculated_height.to_f) end |
#container? ⇒ Boolean
Indicate if this is a container shape (meaning a shape bag that is just there to contain nested shapes, but doesn’t render anything of its own)
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# File 'lib/glimmer/swt/custom/shape.rb', line 911 def container? @name == 'shape' end |
#content(&block) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 343 def content(&block) # TODO consider supporting adding content without redraw (redraw: false) Glimmer::SWT::DisplayProxy.instance.auto_exec do Glimmer::DSL::Engine.add_content(self, Glimmer::DSL::SWT::ShapeExpression.new, @name, &block) calculated_args_changed!(children: false) end end |
#convert_properties! ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 960 def convert_properties! if @properties != @converted_properties @properties.each do |property, args| @properties[property] = apply_property_arg_conversions(property, args) end @converted_properties = @properties.dup end end |
#converted_properties ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 969 def converted_properties convert_properties! @properties end |
#current_parameter_name?(attribute_name) ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 548 def current_parameter_name?(attribute_name) parameter_names.include?(attribute_name.to_s.to_sym) end |
#default_height ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1275 def default_height default_height_dependencies = [shapes.empty? && max_height, shapes.size == 1 && shapes.first.max_height? && parent.size.y, shapes.size >= 1 && !shapes.first.max_height? && shapes.map {|s| s.max_height? ? 0 : s.y_end}] if default_height_dependencies != @default_height_dependencies # Do not repeat calculations max_height, parent_size_y, y_ends = @default_height_dependencies = default_height_dependencies @default_height = if shapes.empty? max_height elsif shapes.size == 1 && shapes.first.max_height? parent_size_y else y_ends.max.to_f end end @default_height end |
#default_height? ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 1194 def default_height? return false unless current_parameter_name?(:height) height = self.height (height.nil? || height == :default || height == 'default' || (height.is_a?(Array) && (height.first.to_s == :default || height.first.to_s == 'default'))) end |
#default_width ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1259 def default_width default_width_dependencies = [shapes.empty? && max_width, shapes.size == 1 && shapes.first.max_width? && parent.size.x, shapes.size >= 1 && !shapes.first.max_width? && shapes.map {|s| s.max_width? ? 0 : s.x_end}] if default_width_dependencies != @default_width_dependencies # Do not repeat calculations max_width, parent_size_x, x_ends = @default_width_dependencies = default_width_dependencies @default_width = if shapes.empty? max_width elsif shapes.size == 1 && shapes.first.max_width? parent_size_x else x_ends.max.to_f end end @default_width end |
#default_width? ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 1188 def default_width? return false unless current_parameter_name?(:width) width = self.width (width.nil? || width == :default || width == 'default' || (width.is_a?(Array) && (width.first.to_s == :default || width.first.to_s == 'default'))) end |
#default_x ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1212 def default_x default_x_dependencies = [parent.size.x, size.x, parent.is_a?(Shape) && parent.irregular? && parent.bounds.x, parent.is_a?(Shape) && parent.irregular? && parent.absolute_x] if default_x_dependencies != @default_x_dependencies @default_x_dependencies = default_x_dependencies result = ((parent.size.x - size.x) / 2) result += parent.bounds.x - parent.absolute_x if parent.is_a?(Shape) && parent.irregular? @default_x = result end @default_x end |
#default_x? ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 1176 def default_x? return false unless current_parameter_name?(:x) x = self.x x.nil? || x.to_s == 'default' || (x.is_a?(Array) && x.first.to_s == 'default') end |
#default_y ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1223 def default_y default_y_dependencies = [parent.size.y, size.y, parent.is_a?(Shape) && parent.irregular? && parent.bounds.y, parent.is_a?(Shape) && parent.irregular? && parent.absolute_y] if default_y_dependencies != @default_y_dependencies result = ((parent.size.y - size.y) / 2) result += parent.bounds.y - parent.absolute_y if parent.is_a?(Shape) && parent.irregular? @default_y = result end @default_y end |
#default_y? ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 1182 def default_y? return false unless current_parameter_name?(:y) y = self.y y.nil? || y.to_s == 'default' || (y.is_a?(Array) && y.first.to_s == 'default') end |
#deregister_drag_listeners ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 755 def deregister_drag_listeners @on_drag_detected&.deregister @on_drag_detected = nil @drawable_on_mouse_move&.deregister @drawable_on_mouse_move = nil @drawable_on_mouse_up&.deregister @drawable_on_mouse_up = nil end |
#dispose(dispose_images: true, dispose_patterns: true, redraw: true) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 872 def dispose(dispose_images: true, dispose_patterns: true, redraw: true) return if drawable.respond_to?(:shell_proxy) && drawable&.shell_proxy&.last_shell_closing? return if @disposed @disposed = true deregister_drag_listeners @widget_listener_proxies&.each(&:deregister) if dispose_patterns @background_pattern&.dispose @background_pattern = nil @foreground_pattern&.dispose @foreground_pattern = nil end if dispose_images @image&.dispose @image = nil end shapes.dup.each { |shape| shape.dispose(dispose_images: dispose_images, dispose_patterns: dispose_patterns, redraw: false) } @parent.shapes.delete(self) drawable.drop_shapes.delete(self) @on_shape_disposed_handlers&.each {|handler| handler.call(self)} # TODO pass a custom event argument to handler drawable.redraw if redraw && !drawable.is_a?(ImageProxy) end |
#drag_and_move ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 798 def drag_and_move @drag_and_move end |
#drag_and_move=(drag_and_move_value) ⇒ Object
Enables dragging for drag and move within parent widget drag_and_move and drag_source are mutually exclusive if shape had drag_source true, it is disabled by deregistering its listeners
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# File 'lib/glimmer/swt/custom/shape.rb', line 767 def drag_and_move=(drag_and_move_value) deregister_drag_listeners if @drag_source drag_and_move_old_value = @drag_and_move @drag_and_move = drag_and_move_value if @drag_and_move && !drag_and_move_old_value @on_drag_detected ||= handle_observation_request('on_drag_detected') do |event| Shape.dragging = true Shape.dragging_x = event.x Shape.dragging_y = event.y Shape.drop_shape_handling_count = 0 Shape.dragged_shape = self Shape.dragged_shape_original_x = x Shape.dragged_shape_original_y = y end @drawable_on_mouse_move ||= drawable.handle_observation_request('on_mouse_move') do |event| if Shape.dragging && Shape.dragged_shape.equal?(self) Shape.dragged_shape.move_by((event.x - Shape.dragging_x), (event.y - Shape.dragging_y)) Shape.dragging_x = event.x Shape.dragging_y = event.y end end @drawable_on_mouse_up ||= drawable.handle_observation_request('on_mouse_up') do |event| if Shape.dragging && Shape.dragged_shape.equal?(self) Shape.dragging = false end end elsif !@drag_and_move && drag_and_move_old_value deregister_drag_listeners end end |
#drag_source ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 834 def drag_source @drag_source end |
#drag_source=(drag_source_value) ⇒ Object
Makes shape a drag source (enables dragging for drag and drop) drag_source and drag_and_move are mutually exclusive if shape had drag_and_move true, it is disabled by deregistering its listeners
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# File 'lib/glimmer/swt/custom/shape.rb', line 805 def drag_source=(drag_source_value) deregister_drag_listeners if @drag_and_move drag_source_old_value = @drag_source @drag_source = drag_source_value if @drag_source && !drag_source_old_value @on_drag_detected ||= handle_observation_request('on_drag_detected') do |event| Shape.dragging = true Shape.dragging_x = event.x Shape.dragging_y = event.y Shape.drop_shape_handling_count = 0 Shape.dragged_shape = self Shape.dragged_shape_original_x = x Shape.dragged_shape_original_y = y end @drawable_on_mouse_move ||= drawable.handle_observation_request('on_mouse_move') do |event| if Shape.dragging && Shape.dragged_shape.equal?(self) Shape.dragged_shape.move_by((event.x - Shape.dragging_x), (event.y - Shape.dragging_y)) Shape.dragging_x = event.x Shape.dragging_y = event.y end end @drawable_on_mouse_up ||= drawable.handle_observation_request('on_mouse_up') do |event| cancel_dragging! if Shape.dragging && Shape.dragged_shape.equal?(self) && !any_potential_drop_targets?(event.x, event.y) end elsif !@drag_source && drag_source_old_value deregister_drag_listeners end end |
#draw? ⇒ Boolean Also known as: drawn?
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# File 'lib/glimmer/swt/custom/shape.rb', line 165 def draw? !fill? end |
#ensure_extent(paint_event) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1030 def ensure_extent(paint_event) old_extent = @extent old_extent_args = @extent_args if ['text', 'string'].include?(@name) extent_args = [string] extent_flags = SWTProxy[:draw_transparent, :draw_delimiter] if current_parameter_name?(:is_transparent) && is_transparent extent_flags = flags if current_parameter_name?(:flags) extent_args << extent_flags unless extent_flags.nil? self.extent = paint_event.gc.send("#{@name}Extent", *extent_args) @extent_args = extent_args end # comparing extent_args with old ones ensures that if content changes, calculated_args_changed! is called if !@extent.nil? && (old_extent&.x != @extent&.x || old_extent&.y != @extent&.y || @extent_args != old_extent_args) calculated_args_changed! parent.calculated_args_changed_for_defaults! if parent.is_a?(Shape) end end |
#expanded_shapes(except_shape: nil) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1048 def (except_shape: nil) if shapes.to_a.any? shapes.map do |shape| shape.equal?(except_shape) ? [] : ([shape] + shape.(except_shape: except_shape)) end.flatten else [] end end |
#fill? ⇒ Boolean Also known as: filled?
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# File 'lib/glimmer/swt/custom/shape.rb', line 170 def fill? @options[:fill] end |
#foreground_pattern_args ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 868 def foreground_pattern_args pattern_args(type: 'foreground') end |
#get_attribute(attribute_name) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 622 def get_attribute(attribute_name) if parameter_name?(attribute_name) arg_index = parameter_index(attribute_name) @args[arg_index] if arg_index elsif (respond_to?(attribute_name, super: true) and respond_to?(ruby_attribute_setter(attribute_name), super: true)) self.send(attribute_name) else @properties[attribute_name.to_s] end end |
#get_data(key = nil) ⇒ Object Also known as: getData, data
Gets data just like SWT widgets
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# File 'lib/glimmer/swt/custom/shape.rb', line 720 def get_data(key=nil) @data ||= {} @data[key] end |
#get_parameter_attribute(attribute_name) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 556 def get_parameter_attribute(attribute_name) @args[parameter_index(ruby_attribute_getter(attribute_name))] end |
#gradient? ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 175 def gradient? @options[:gradient] end |
#handle_observation_request(observation_request, source_observation_request: nil, &block) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 645 def handle_observation_request(observation_request, source_observation_request: nil, &block) if observation_request.to_s == 'on_shape_disposed' @on_shape_disposed_handlers ||= [] @on_shape_disposed_handlers << block return ShapeListenerProxy.new(shape: self, drawable: drawable, shape_listener_block: block, observation_request: 'on_shape_disposed') end if observation_request == 'on_drop' drawable.drop_shapes << self handle_observation_request('on_mouse_up', source_observation_request: 'on_drop') do |event| if Shape.dragging && include_with_children?(event.x, event.y, except_shape: Shape.dragged_shape) drop_event = DropEvent.new( doit: true, dragged_shape: Shape.dragged_shape, dragged_shape_original_x: Shape.dragged_shape_original_x, dragged_shape_original_y: Shape.dragged_shape_original_y, dragging_x: Shape.dragging_x, dragging_y: Shape.dragging_y, drop_shapes: drawable.drop_shapes, x: event.x, y: event.y ) begin block.call(drop_event) rescue => e Glimmer::Config.logger.error {e.} ensure if drop_event.doit Shape.dragging = false Shape.dragged_shape = nil elsif Shape.drop_shape_handling_count.to_i >= drawable.drop_shapes.count && Shape.dragged_shape cancel_dragging! end end else if Shape.drop_shape_handling_count.to_i >= drawable.drop_shapes.count cancel_dragging! end end end else = nil shape_block = lambda do |event| if @disposed .deregister @widget_listener_proxies.delete() else Shape.drop_shape_handling_count += 1 if source_observation_request == 'on_drop' && event.x == Shape.dragging_x && event.y == Shape.dragging_y if !event.respond_to?(:x) || !event.respond_to?(:y) || include_with_children?(event.x, event.y) block.call(event) elsif source_observation_request == 'on_drop' && Shape.drop_shape_handling_count.to_i >= drawable.drop_shapes.count cancel_dragging! end end end = drawable.respond_to?(:handle_observation_request) && drawable.handle_observation_request(observation_request, &shape_block) @widget_listener_proxies ||= [] if @widget_listener_proxies << ShapeListenerProxy.new(shape: self, drawable: drawable, shape_listener_block: shape_block, observation_request: source_observation_request || observation_request, widget_listener_proxy: ) end end end |
#has_attribute?(attribute_name, *args) ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 564 def has_attribute?(attribute_name, *args) attribute_name == 'data' or self.class.gc_instance_methods.include?(attribute_setter(attribute_name)) or parameter_name?(attribute_name) or (respond_to?(attribute_name, super: true) and respond_to?(ruby_attribute_setter(attribute_name), super: true)) end |
#has_some_background? ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 351 def has_some_background? @properties.keys.map(&:to_s).include?('background') || @properties.keys.map(&:to_s).include?('background_pattern') end |
#has_some_foreground? ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 355 def has_some_foreground? @properties.keys.map(&:to_s).include?('foreground') || @properties.keys.map(&:to_s).include?('foreground_pattern') end |
#height_delta ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1350 def height_delta return 0 unless height.is_a?(Array) && (default_height? || max_height?) height[1].to_f end |
#height_delta=(delta) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1373 def height_delta=(delta) return unless default_height? symbol = height.is_a?(Array) ? height.first : height self.height = [symbol, delta] end |
#include?(x, y) ⇒ Boolean
Returns if shape includes a point. When the shape is filled, this is the same as contain. When the shape is drawn, it only returns true if the point lies on the edge (boundary/border) Subclasses (like polygon) may override to indicate if a point x,y coordinates falls on the edge of a drawn shape or inside a filled shape some shapes may choose to provide a fuzz factor to make usage of this method for mouse clicking more user friendly
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# File 'lib/glimmer/swt/custom/shape.rb', line 226 def include?(x, y) # assume a rectangular shape by default contain?(x, y) end |
#include_shape?(other) ⇒ Boolean
Recursively checks if other shape is included in this shape, beginning by comparing to self and then recursing into children shapes.
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# File 'lib/glimmer/swt/custom/shape.rb', line 244 def include_shape?(other) self == other || shapes.any? { |shape| shape.include_shape?(other) } end |
#include_with_children?(x, y, except_shape: nil) ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 231 def include_with_children?(x, y, except_shape: nil) included_in_self = (!self.equal?(except_shape) && include?(x, y)) # TODO note that expanded shapes does not filter when reject below happens, keeping nested shapes included_in_self || (except_shape: except_shape).any? { |shape| shape.include?(x, y) } end |
#inspect(recursive: 1, calculated: false, args: true, properties: true, calculated_args: false) ⇒ Object
Overriding inspect to avoid printing very long nested shape hierarchies (recurses onces only)
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# File 'lib/glimmer/swt/custom/shape.rb', line 1431 def inspect(recursive: 1, calculated: false, args: true, properties: true, calculated_args: false) recurse = recursive == true || recursive.is_a?(Integer) && recursive.to_i > 0 recursive = [recursive -= 1, 0].max if recursive.is_a?(Integer) args_string = " args=#{@args.inspect}" if args properties_string = " properties=#{@properties.inspect}}" if properties calculated_args_string = " calculated_args=#{@calculated_args.inspect}" if calculated_args calculated_string = " absolute_x=#{absolute_x} absolute_y=#{absolute_y} calculated_width=#{calculated_width} calculated_height=#{calculated_height}" if calculated recursive_string = " shapes=#{@shapes.map {|s| s.inspect(recursive: recursive, calculated: calculated, args: args, properties: properties)}}" if recurse "#<#{self.class.name}:0x#{self.hash.to_s(16)}#{args_string}#{properties_string}#{calculated_args_string}#{calculated_string}#{recursive_string}>" rescue => e Glimmer::Config.logger.error { e. } "#<#{self.class.name}:0x#{self.hash.to_s(16)}" end |
#inverse_transform_point(x, y) ⇒ Object
if there is a transform, invert it and apply on x, y point coordinates
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# File 'lib/glimmer/swt/custom/shape.rb', line 262 def inverse_transform_point(x, y) # keep in mind that transform is an array of a single element that is the transform object current_transform = (transform || parent_shape_containers.map(&:transform).compact.first)&.first if current_transform transform_array = [1,2,3,4,5,6].to_java(:float) # just placeholder data that gets overwritten with getElements current_transform.getElements(transform_array) inverse_transform = TransformProxy.new(DisplayProxy.instance.swt_display, *transform_array.to_a) inverse_transform_array = [1,2,3,4,5,6].to_java(:float) # just placeholder data that gets overwritten with getElements inverse_transform.getElements(inverse_transform_array) # TODO avoid Matrix usage directly by relying on SWT Transform#invert method instead (much simpler) matrix = Matrix[[inverse_transform_array[0], inverse_transform_array[1]], [inverse_transform_array[2], inverse_transform_array[3]]] result = matrix * Matrix.column_vector([x, y]) x, y = result.to_a.flatten x += inverse_transform_array[5] y += inverse_transform_array[4] end [x, y] end |
#irregular? ⇒ Boolean
Indicates if a shape’s x, y, width, height differ from its bounds calculation (e.g. arc / polygon)
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# File 'lib/glimmer/swt/custom/shape.rb', line 282 def irregular? false end |
#location ⇒ Object
The bounding box top-left x and y
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# File 'lib/glimmer/swt/custom/shape.rb', line 195 def location org.eclipse.swt.graphics.Point.new(bounds.x, bounds.y) end |
#location_parameter_names ⇒ Object
subclasses may override to specify location parameter names if different from x and y (e.g. all polygon points are location parameters) used in calculating movement changes
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# File 'lib/glimmer/swt/custom/shape.rb', line 536 def location_parameter_names [:x, :y] end |
#max_height ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1301 def max_height max_height_dependencies = [parent.is_a?(Drawable) && parent.size.y, !parent.is_a?(Drawable) && parent.calculated_height] if max_height_dependencies != @max_height_dependencies # do not repeat calculations parent_size_y, parent_calculated_height = @max_height_dependencies = max_height_dependencies @max_height = parent.is_a?(Drawable) ? parent_size_y : parent_calculated_height end @max_height end |
#max_height? ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 1206 def max_height? return false unless current_parameter_name?(:height) height = self.height (height.nil? || height.to_s == 'max' || (height.is_a?(Array) && height.first.to_s == 'max')) end |
#max_width ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1291 def max_width max_width_dependencies = [parent.is_a?(Drawable) && parent.size.x, !parent.is_a?(Drawable) && parent.calculated_width] if max_width_dependencies != @max_width_dependencies # do not repeat calculations parent_size_x, parent_calculated_width = @max_width_dependencies = max_width_dependencies @max_width = parent.is_a?(Drawable) ? parent_size_x : parent_calculated_width end @max_width end |
#max_width? ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 1200 def max_width? return false unless current_parameter_name?(:width) width = self.width (width.nil? || width.to_s == 'max' || (width.is_a?(Array) && width.first.to_s == 'max')) end |
#move_by(x_delta, y_delta) ⇒ Object Also known as: translate
moves by x delta and y delta. Subclasses must implement provdies a default implementation that assumes moving x and y is sufficient by default (not for polygons though, which must override)
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# File 'lib/glimmer/swt/custom/shape.rb', line 288 def move_by(x_delta, y_delta) if respond_to?(:x) && respond_to?(:y) && respond_to?(:x=) && respond_to?(:y=) if default_x? self.x_delta += x_delta else self.x += x_delta end if default_y? self.y_delta += y_delta else self.y += y_delta end end end |
#paint(paint_event) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 980 def paint(paint_event) paint_children(paint_event) if default_width? || default_height? paint_self(paint_event) # re-paint children from scratch in the special case of pre-calculating parent width/height to re-center within new parent dimensions shapes.each(&:calculated_args_changed!) if default_width? || default_height? paint_children(paint_event) rescue => e Glimmer::Config.logger.error {"Error encountered in painting shape (#{self.inspect}) with calculated args (#{@calculated_args}) and args (#{@args})"} Glimmer::Config.logger.error {e.} end |
#paint_children(paint_event) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1024 def paint_children(paint_event) shapes.to_a.each do |shape| shape.paint(paint_event) end end |
#paint_self(paint_event) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 991 def paint_self(paint_event) @painting = true unless container? calculate_paint_args! @original_gc_properties = {} # this stores GC properties before making calls to updates TODO avoid using in pixel graphics @properties.each do |property, args| method_name = attribute_setter(property) @original_gc_properties[method_name] = paint_event.gc.send(method_name.sub('set', 'get')) rescue nil paint_event.gc.send(method_name, *args) if property == 'transform' && args.first.is_a?(TransformProxy) args.first.swt_transform.dispose end end ensure_extent(paint_event) end @calculated_args ||= calculate_args! unless container? # paint unless parent's calculated args are not calculated yet, meaning it is about to get painted and trigger a paint on this child anyways passed_args = @calculated_args.dup passed_args[0] = passed_args[0].to_java(:int) if @method_name == 'drawPolyline' # a weird fix needed for Linux JRuby 9.3.1.0 only (seems to lack a feature from Mac JRuby that automatically converts to appropriate java array type) paint_event.gc.send(@method_name, *passed_args) unless (parent.is_a?(Shape) && !parent.calculated_args?) @original_gc_properties.each do |method_name, value| paint_event.gc.send(method_name, value) end end @painting = false rescue => e Glimmer::Config.logger.error {"Error encountered in painting shape (#{self.inspect}) with method (#{@method_name}) calculated args (#{@calculated_args}) and args (#{@args})"} Glimmer::Config.logger.error {e.} ensure @painting = false end |
#parameter_index(attribute_name) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 552 def parameter_index(attribute_name) parameter_names.index(attribute_name.to_s.to_sym) end |
#parameter_name?(attribute_name) ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 544 def parameter_name?(attribute_name) possible_parameter_names.map(&:to_s).include?(ruby_attribute_getter(attribute_name)) end |
#parameter_names ⇒ Object
parameter names for arguments to pass to SWT GC.xyz method for rendering shape (e.g. draw_image(image, x, y) yields :image, :x, :y parameter names)
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# File 'lib/glimmer/swt/custom/shape.rb', line 530 def parameter_names [:x, :y, :width, :height] end |
#parent_shape_composites ⇒ Object
ordered from closest to farthest parent
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# File 'lib/glimmer/swt/custom/shape.rb', line 947 def parent_shape_composites if @parent_shape_composites.nil? if parent.is_a?(Drawable) @parent_shape_composites = [] elsif !parent.container? @parent_shape_composites = parent.parent_shape_composites else @parent_shape_composites = parent.parent_shape_composites + [parent] end end @parent_shape_composites end |
#parent_shape_containers ⇒ Object
ordered from closest to farthest parent
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# File 'lib/glimmer/swt/custom/shape.rb', line 933 def parent_shape_containers if @parent_shape_containers.nil? if parent.is_a?(Drawable) @parent_shape_containers = [] elsif !parent.container? @parent_shape_containers = parent.parent_shape_containers else @parent_shape_containers = parent.parent_shape_containers + [parent] end end @parent_shape_containers end |
#parent_shapes ⇒ Object
ordered from closest to farthest parent
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# File 'lib/glimmer/swt/custom/shape.rb', line 921 def parent_shapes if @parent_shapes.nil? if parent.is_a?(Drawable) @parent_shapes = [] else @parent_shapes = parent.parent_shapes + [parent] end end @parent_shapes end |
#pattern(*args, type: nil) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 851 def pattern(*args, type: nil) instance_variable_name = "@#{type}_pattern" the_pattern = instance_variable_get(instance_variable_name) if the_pattern.nil? || the_pattern.is_disposed the_pattern = self.class.pattern(*args) end the_pattern end |
#pattern_args(type: nil) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 860 def pattern_args(type: nil) @pattern_args && @pattern_args[type.to_s.capitalize] end |
#possible_parameter_names ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 540 def possible_parameter_names parameter_names end |
#post_add_content ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 359 def post_add_content if !@content_added || @method_name != @original_method_name @drawable.setup_shape_painting unless @drawable.is_a?(ImageProxy) @content_added = true end end |
#remove_shape_disposed_listener(listener_block) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 708 def remove_shape_disposed_listener(listener_block) @on_shape_disposed_handlers.delete(listener_block) end |
#respond_to?(method_name, *args, &block) ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 731 def respond_to?(method_name, *args, &block) = args.last if args.last.is_a?(Hash) super_invocation = && [:super] if !super_invocation && has_attribute?(method_name) true else result = super return true if result can_handle_observation_request?(method_name) end end |
#rotate(angle) ⇒ Object
rotates shape for an angle around its center this operation is not cumulative (it resets angle every time) consumers may inspect corresponding rotation_angle attribute to know which angle the shape is currently at for convenience this overrides any pre-existing transforms that are applied to shape
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# File 'lib/glimmer/swt/custom/shape.rb', line 308 def rotate(angle) half_width = calculated_width/2.0 half_height = calculated_height/2.0 self.transform = Glimmer::SWT::TransformProxy.new(self).translate(half_width, half_height).rotate(angle).translate(-1.0*half_width, -1.0*half_height) @rotation_angle = angle end |
#rotation_angle ⇒ Object
returns rotation angle consumers may inspect rotation_angle attribute to know which angle the shape is rotated at via rotate method it is not guaranteed to give the right result if a transform is applied outside of rotate method. starts at 0
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# File 'lib/glimmer/swt/custom/shape.rb', line 319 def rotation_angle @rotation_angle.to_f end |
#round? ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 179 def round? @options[:round] end |
#set_attribute(attribute_name, *args) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 571 def set_attribute(attribute_name, *args) = args.last if args.last.is_a?(Hash) args.pop if !.nil? && ![:redraw].nil? ||= {} perform_redraw = @perform_redraw perform_redraw = [:redraw] if perform_redraw.nil? && !.nil? perform_redraw ||= true property_change = nil ruby_attribute_getter_name = ruby_attribute_getter(attribute_name) ruby_attribute_setter_name = ruby_attribute_setter(attribute_name) if attribute_name == 'data' set_data(*args) elsif parameter_name?(attribute_name) return if ruby_attribute_getter_name == (args.size == 1 ? args.first : args) set_parameter_attribute(ruby_attribute_getter_name, *args) elsif (respond_to?(attribute_name, super: true) and respond_to?(ruby_attribute_setter_name, super: true)) return if self.send(ruby_attribute_getter_name) == (args.size == 1 ? args.first : args) self.send(ruby_attribute_setter_name, *args) else # TODO consider this optimization of preconverting args (removing conversion from other methods) to reject equal args args = apply_property_arg_conversions(ruby_attribute_getter_name, args) return if @properties[ruby_attribute_getter_name] == args new_property = !@properties.keys.include?(ruby_attribute_getter_name) @properties[ruby_attribute_getter_name] = args if @content_added && new_property property_change = true calculated_paint_args_changed! if container? end if @content_added && perform_redraw && !drawable.is_disposed redrawn = false unless property_change calculated_paint_args_changed!(children: false) if is_a?(PathSegment) root_path&.calculated_path_args = @calculated_path_args = false calculated_args_changed! root_path&.calculated_args_changed! end if location_parameter_names.map(&:to_s).include?(ruby_attribute_getter_name) calculated_args_changed!(children: true) redrawn = parent.calculated_args_changed_for_defaults! if parent.is_a?(Shape) end if ['width', 'height'].include?(ruby_attribute_getter_name) redrawn = calculated_args_changed_for_defaults! end end # TODO consider redrawing an image proxy's gc in the future # TODO consider ensuring only a single redraw happens for a hierarchy of nested shapes drawable.redraw if !redrawn && !drawable.is_a?(ImageProxy) end end |
#set_data(key = nil, value) ⇒ Object Also known as: setData
Sets data just like SWT widgets
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# File 'lib/glimmer/swt/custom/shape.rb', line 713 def set_data(key=nil, value) @data ||= {} @data[key] = value end |
#set_parameter_attribute(attribute_name, *args) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 560 def set_parameter_attribute(attribute_name, *args) @args[parameter_index(ruby_attribute_getter(attribute_name))] = args.size == 1 ? args.first : args end |
#shell_proxy ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 727 def shell_proxy drawable.shell_proxy end |
#size ⇒ Object
The bounding box width and height (as a Point object with x being width and y being height)
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# File 'lib/glimmer/swt/custom/shape.rb', line 200 def size size_dependencies = [calculated_width, calculated_height] if size_dependencies != @size_dependencies # avoid repeating calculations calculated_width, calculated_height = @size_dependencies = size_dependencies @size = org.eclipse.swt.graphics.Point.new(calculated_width, calculated_height) end @size end |
#tolerate_shape_extra_args! ⇒ Object
Tolerates shape extra args added by user by mistake (e.g. happens when switching from round rectangle to a standard one without removing all extra args)
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# File 'lib/glimmer/swt/custom/shape.rb', line 503 def tolerate_shape_extra_args! the_java_method_arg_count = org.eclipse.swt.graphics.GC.java_class.declared_instance_methods.select do |m| m.name == @method_name.camelcase(:lower) end.map(&:parameter_types).map(&:size).max if the_java_method_arg_count && @args.to_a.size > the_java_method_arg_count @args[the_java_method_arg_count..-1] = [] end end |
#transform_point(x, y) ⇒ Object
if there is a transform, apply on x, y point coordinates
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# File 'lib/glimmer/swt/custom/shape.rb', line 249 def transform_point(x, y) # keep in mind that transform is an array of a single element that is the transform object current_transform = (transform || parent_shape_containers.map(&:transform).first)&.first if current_transform transform_array = [x, y].to_java(:float) # just placeholder data that gets overwritten with getElements current_transform.transform(transform_array) x = transform_array[0] y = transform_array[1] end [x, y] end |
#width_delta ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1345 def width_delta return 0 unless width.is_a?(Array) && (default_width? || max_width?) width[1].to_f end |
#width_delta=(delta) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1367 def width_delta=(delta) return unless default_width? symbol = width.is_a?(Array) ? width.first : width self.width = [symbol, delta] end |
#x_delta ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1335 def x_delta return 0 unless x.is_a?(Array) && default_x? x[1].to_f end |
#x_delta=(delta) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1355 def x_delta=(delta) return unless default_x? symbol = x.is_a?(Array) ? x.first : x self.x = [symbol, delta] end |
#x_end ⇒ Object
right-most x coordinate in this shape (adding up its width and location)
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# File 'lib/glimmer/swt/custom/shape.rb', line 1234 def x_end x_end_dependencies = [calculated_width, default_x?, !default_x? && x] if x_end_dependencies != @x_end_dependencies # avoid recalculation of dependencies calculated_width, is_default_x, x = @x_end_dependencies = x_end_dependencies shape_width = calculated_width.to_f shape_x = is_default_x ? 0 : x.to_f @x_end = shape_x + shape_width end @x_end end |
#y_delta ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1340 def y_delta return 0 unless y.is_a?(Array) && default_y? y[1].to_f end |
#y_delta=(delta) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1361 def y_delta=(delta) return unless default_y? symbol = y.is_a?(Array) ? y.first : y self.y = [symbol, delta] end |
#y_end ⇒ Object
bottom-most y coordinate in this shape (adding up its height and location)
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# File 'lib/glimmer/swt/custom/shape.rb', line 1247 def y_end y_end_dependencies = [calculated_height, default_y?, !default_y? && y] if y_end_dependencies != @y_end_dependencies # avoid recalculation of dependencies calculated_height, is_default_y, y = @y_end_dependencies = y_end_dependencies shape_height = calculated_height.to_f shape_y = is_default_y ? 0 : y.to_f @y_end = shape_y + shape_height end @y_end end |