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.
Instance Attribute Summary collapse
-
#args ⇒ Object
readonly
Returns the value of attribute args.
-
#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.
Class Method Summary collapse
- .arg_options(args, extract: false) ⇒ Object
- .create(parent, keyword, *args, &property_block) ⇒ Object
-
.drop_shapes ⇒ Object
shapes that have defined on_drop expecting to received a dragged shape.
- .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
- #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.
-
#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
- #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
- #dispose(dispose_images: true, dispose_patterns: true, redraw: true) ⇒ Object
- #drag_and_move ⇒ Object
- #drag_and_move=(drag_and_move_value) ⇒ Object
- #drag_source ⇒ Object
- #drag_source=(drag_source_value) ⇒ Object
- #draw? ⇒ Boolean (also: #drawn?)
- #ensure_extent(paint_event) ⇒ Object
- #expanded_shapes ⇒ 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, &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_with_children?(x, y, except_child: nil) ⇒ Boolean
-
#initialize(parent, keyword, *args, &property_block) ⇒ Shape
constructor
A new instance of Shape.
-
#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
- #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
-
#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).
- #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
Returns a new instance of Shape.
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# File 'lib/glimmer/swt/custom/shape.rb', line 145 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 660 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) else # TODO support proxying calls to handle_observation_request for listeners just like WidgetProxy 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 68 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 68 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 68 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 68 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 68 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 68 def dragging_y @dragging_y 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 142 def args @args end |
#drawable ⇒ Object (readonly)
Returns the value of attribute drawable.
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# File 'lib/glimmer/swt/custom/shape.rb', line 142 def drawable @drawable end |
#extent ⇒ Object
Returns the value of attribute extent.
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# File 'lib/glimmer/swt/custom/shape.rb', line 143 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 142 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 142 def @options end |
#parent ⇒ Object (readonly)
Returns the value of attribute parent.
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# File 'lib/glimmer/swt/custom/shape.rb', line 142 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 142 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 142 def shapes @shapes end |
Class Method Details
.arg_options(args, extract: false) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 100 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 71 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 |
.drop_shapes ⇒ Object
shapes that have defined on_drop expecting to received a dragged shape
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# File 'lib/glimmer/swt/custom/shape.rb', line 137 def drop_shapes @drop_shapes ||= [] end |
.flyweight_method_names ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 120 def flyweight_method_names @flyweight_method_names ||= {} end |
.flyweight_patterns ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 132 def flyweight_patterns @flyweight_patterns ||= {} end |
.gc_instance_methods ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 86 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 90 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 108 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 124 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 80 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 1292 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 1307 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 161 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 869 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 485 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 |
#apply_property_arg_conversions(property, args) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 340 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 420 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 449 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 766 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 185 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 |
#calculate_args! ⇒ Object
args translated to absolute coordinates
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# File 'lib/glimmer/swt/custom/shape.rb', line 982 def calculate_args! # TODO add conditions for parent having default width/height too 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, ] 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 = @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 1336 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 977 def calculated_args? !!@calculated_args end |
#calculated_args_changed!(children: true) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 948 def calculated_args_changed!(children: true) # TODO add a children: true option to enable setting to false to avoid recalculating children args @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 961 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 1214 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 954 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 1202 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 1270 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 1281 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 603 def can_handle_observation_request?(observation_request) drawable.can_handle_observation_request?(observation_request) end |
#center_x ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 297 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 307 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 793 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 811 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 218 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 806 def container? @name == 'shape' end |
#content(&block) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 317 def content(&block) 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 855 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 864 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 521 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 1166 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 1085 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 1150 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 1079 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 1103 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 1067 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 1114 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 1073 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 |
#dispose(dispose_images: true, dispose_patterns: true, redraw: true) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 774 def dispose(dispose_images: true, dispose_patterns: true, redraw: true) shapes.each { |shape| shape.is_a?(Shape::Path) && shape.dispose } # TODO look into why I'm only disposing paths if dispose_patterns @background_pattern&.dispose @background_pattern = nil @foreground_pattern&.dispose @foreground_pattern = nil end if dispose_images @image&.dispose @image = nil end @parent.shapes.delete(self) 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 711 def drag_and_move @drag_and_move end |
#drag_and_move=(drag_and_move_value) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 680 def drag_and_move=(drag_and_move_value) 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.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 == 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 == self Shape.dragging = false end end elsif !@drag_and_move && drag_and_move_old_value @on_drag_detected.deregister @drawable_on_mouse_move.deregister @drawable_on_mouse_up.deregister end end |
#drag_source ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 749 def drag_source @drag_source end |
#drag_source=(drag_source_value) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 715 def drag_source=(drag_source_value) 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.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 == 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 == self && !Shape.drop_shapes.detect {|shape| shape.include_with_children?(event.x, event.y, except_child: Shape.dragged_shape)} Shape.dragging = false Shape.dragged_shape.x = Shape.dragged_shape_original_x Shape.dragged_shape.y = Shape.dragged_shape_original_y Shape.dragged_shape = nil end end elsif !@drag_source && drag_source_old_value @on_drag_detected.deregister @drawable_on_mouse_move.deregister @drawable_on_mouse_up.deregister end end |
#draw? ⇒ Boolean Also known as: drawn?
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# File 'lib/glimmer/swt/custom/shape.rb', line 166 def draw? !fill? end |
#ensure_extent(paint_event) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 923 def ensure_extent(paint_event) old_extent = @extent if ['text', 'string'].include?(@name) extent_args = [string] extent_flags = SWTProxy[:draw_transparent] 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) end if !@extent.nil? && (old_extent&.x != @extent&.x || old_extent&.y != @extent&.y) # TODO add a check to text content changing too calculated_args_changed! parent.calculated_args_changed_for_defaults! if parent.is_a?(Shape) end end |
#expanded_shapes ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 938 def if shapes.to_a.any? shapes.map do |shape| [shape] + shape. end.flatten else [] end end |
#fill? ⇒ Boolean Also known as: filled?
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# File 'lib/glimmer/swt/custom/shape.rb', line 171 def fill? @options[:fill] end |
#foreground_pattern_args ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 770 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 592 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 653 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 529 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 176 def gradient? @options[:gradient] end |
#handle_observation_request(observation_request, &block) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 607 def handle_observation_request(observation_request, &block) shape_block = lambda do |event| block.call(event) if include_with_children?(event.x, event.y) end if observation_request == 'on_drop' Shape.drop_shapes << self handle_observation_request('on_mouse_up') do |event| if Shape.dragging && include_with_children?(event.x, event.y, except_child: 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: Shape.drop_shapes, x: event.x, y: event.y ) begin block.call(drop_event) rescue => e Glimmer::Config.logger.error e. ensure Shape.dragging = false if !drop_event.doit && Shape.dragged_shape Shape.dragged_shape.x = Shape.dragged_shape_original_x Shape.dragged_shape.y = Shape.dragged_shape_original_y end Shape.dragged_shape = nil end end end else drawable.handle_observation_request(observation_request, &shape_block) end end |
#has_attribute?(attribute_name, *args) ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 537 def has_attribute?(attribute_name, *args) 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 324 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 328 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 1241 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 1264 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 227 def include?(x, y) # assume a rectangular shape by default contain?(x, y) end |
#include_with_children?(x, y, except_child: nil) ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 232 def include_with_children?(x, y, except_child: nil) included = include?(x, y) included ||= .reject {|shape| shape == except_child}.detect { |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 1322 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 238 def inverse_transform_point(x, y) current_transform = (transform || parent_shape_containers.map(&:transform).first)&.first if current_transform transform_array = [1,2,3,4,5,6].to_java(:float) 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) inverse_transform.getElements(inverse_transform_array) 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 256 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 196 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 509 def location_parameter_names [:x, :y] end |
#max_height ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1192 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 1097 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 1182 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 1091 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 262 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 875 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 917 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 886 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 paint_event.gc.send(@method_name, *@calculated_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 525 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 517 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 503 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 842 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 828 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 816 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 753 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 762 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 513 def possible_parameter_names parameter_names end |
#post_add_content ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 332 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 |
#respond_to?(method_name, *args, &block) ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 670 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 super 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 282 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 293 def rotation_angle @rotation_angle.to_f end |
#round? ⇒ Boolean
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# File 'lib/glimmer/swt/custom/shape.rb', line 180 def round? @options[:round] end |
#set_attribute(attribute_name, *args) ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 543 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 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 646 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 533 def set_parameter_attribute(attribute_name, *args) @args[parameter_index(ruby_attribute_getter(attribute_name))] = args.size == 1 ? args.first : args 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 201 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 476 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 |
#width_delta ⇒ Object
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# File 'lib/glimmer/swt/custom/shape.rb', line 1236 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 1258 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 1226 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 1246 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 1125 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 1231 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 1252 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 1138 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 |