lib/glimmer/libui/attributed_string.rb
# Copyright (c) 2021-2024 Andy Maleh
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
require 'glimmer/libui/control_proxy'
require 'glimmer/libui/control_proxy/area_proxy'
require 'glimmer/libui/parent'
require 'glimmer/libui/data_bindable'
module Glimmer
module LibUI
class AttributedString
include DataBindable
attr_reader :keyword, :parent_proxy, :args, :content_added
attr_accessor :block
alias content_added? content_added
def initialize(keyword, parent_proxy, args, &block)
@keyword = keyword
@parent_proxy = parent_proxy
@args = args
@string = @args.first || ''
@block = block
post_add_content if @block.nil?
end
def string(value = nil)
if value.nil?
@string
else
@string = value
request_auto_redraw
end
end
alias string= string
alias set_string string
def font(value = nil)
if value.nil?
@font
else
@font = value
request_auto_redraw
end
end
alias font= font
alias set_font font
def color(value = nil)
if value.nil?
@color
else
@color = Glimmer::LibUI.interpret_color(value)
request_auto_redraw
end
end
alias color= color
alias set_color color
def background(value = nil)
if value.nil?
@background
else
@background = Glimmer::LibUI.interpret_color(value)
request_auto_redraw
end
end
alias background= background
alias set_background background
def underline(value = nil)
if value.nil?
@underline
else
@underline = value
request_auto_redraw
end
end
alias underline= underline
alias set_underline underline
def underline_color(value = nil)
if value.nil?
@underline_color
else
@underline_color = value
request_auto_redraw
end
end
alias underline_color= underline_color
alias set_underline_color underline_color
def open_type_features(value = nil)
if value.nil?
@open_type_features
else
@open_type_features = value
request_auto_redraw
end
end
alias open_type_features= open_type_features
alias set_open_type_features open_type_features
def remove_open_type_features
return if @removing_open_type_features
@removing_open_type_features = true
@open_type_features&.destroy
@open_type_features = nil
request_auto_redraw
@removing_open_type_features = false
end
def post_add_content(block = nil)
block ||= @block
block_result = block&.call
unless @content_added
@string = block_result if block_result.is_a?(String)
@parent_proxy&.post_initialize_child(self)
@content_added = true
end
end
def post_initialize_child(child)
self.open_type_features = child if child.is_a?(Glimmer::LibUI::ControlProxy::OpenTypeFeaturesProxy)
end
def draw(area_draw_params)
@start = ::LibUI.attributed_string_len(@parent_proxy.attributed_string)
::LibUI.attributed_string_append_unattributed(@parent_proxy.attributed_string, @string)
unless color.nil?
color_attribute = ::LibUI.new_color_attribute(@color[:r].to_f / 255.0, @color[:g].to_f / 255.0, @color[:b].to_f / 255.0, @color[:a] || 1.0)
::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, color_attribute, @start, @start + @string.size)
end
unless background.nil?
background_attribute = ::LibUI.new_background_attribute(@background[:r].to_f / 255.0, @background[:g].to_f / 255.0, @background[:b].to_f / 255.0, @background[:a] || 1.0)
::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, background_attribute, @start, @start + @string.size)
end
unless underline.nil?
underline_attribute = ::LibUI.new_underline_attribute(Glimmer::LibUI.enum_symbol_to_value(:underline, @underline))
::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, underline_attribute, @start, @start + @string.size)
end
unless underline_color.nil?
if Glimmer::LibUI.enum_symbols(:underline_color).include?(underline_color.to_s.to_sym) && underline_color.to_s.to_sym != :custom
underline_color_attribute = ::LibUI.new_underline_color_attribute(Glimmer::LibUI.enum_symbol_to_value(:underline_color, @underline_color), 0, 0, 0, 0)
::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, underline_color_attribute, @start, @start + @string.size)
else
the_color = Glimmer::LibUI.interpret_color(@underline_color)
underline_color_attribute = ::LibUI.new_underline_color_attribute(0, the_color[:r].to_f / 255.0, the_color[:g].to_f / 255.0, the_color[:b].to_f / 255.0, the_color[:a] || 1.0)
::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, underline_color_attribute, @start, @start + @string.size)
end
end
unless font.nil?
if font[:family]
family_attribute = ::LibUI.new_family_attribute(font[:family])
::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, family_attribute, @start, @start + @string.size)
end
if font[:size]
size_attribute = ::LibUI.new_size_attribute(font[:size])
::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, size_attribute, @start, @start + @string.size)
end
if font[:weight]
weight_attribute = ::LibUI.new_weight_attribute(Glimmer::LibUI.enum_symbol_to_value(:text_weight, font[:weight]))
::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, weight_attribute, @start, @start + @string.size)
end
if font[:italic]
italic_attribute = ::LibUI.new_italic_attribute(Glimmer::LibUI.enum_symbol_to_value(:text_italic, font[:italic]))
::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, italic_attribute, @start, @start + @string.size)
end
if font[:stretch]
stretch_attribute = ::LibUI.new_stretch_attribute(Glimmer::LibUI.enum_symbol_to_value(:text_stretch, font[:stretch]))
::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, stretch_attribute, @start, @start + @string.size)
end
end
unless open_type_features.nil?
open_type_features_attribute = ::LibUI.new_features_attribute(open_type_features.libui)
::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, open_type_features_attribute, @start, @start + @string.size)
end
destroy if area_proxy.nil?
end
def destroy
return if ControlProxy.main_window_proxy&.destroying?
open_type_features.destroy unless open_type_features.nil?
@parent_proxy&.children&.delete(self)
end
def redraw
area_proxy&.redraw
end
def request_auto_redraw
area_proxy&.request_auto_redraw
end
def area_proxy
@parent_proxy.parent_proxy
end
def content(&block)
Glimmer::DSL::Engine.add_content(self, Glimmer::DSL::Libui::StringExpression.new, @keyword, {post_add_content: true}, &block)
end
end
end
end