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# -*- coding: utf-8 -*-
module Gtk::FormDSL
class SelectBuilder
# ==== Args
# [label_text] ラベルテキスト
# [config_key] 設定のキー
def initialize(formdsl, label_text, config_key, values = {}, mode: :auto)
@formdsl = formdsl
@label_text = label_text
@config_key = config_key
@options = values.to_a
@mode = mode
end
# セレクトボックスに要素を追加する
# ==== Args
# [value] 選択されたらセットされる値
# [text] ラベルテキスト。 _&block_ がなければ使われる。
# [&block] Plugin::Settings のインスタンス内で評価され、そのインスタンスが内容として使われる
def option(value, text = nil, &block)
@options ||= []
@options << if block
grid = @formdsl.create_inner_setting
grid.instance_eval(&block)
[value, text, grid].freeze
else
[value, text].freeze
end
self
end
# optionメソッドで追加された項目をウィジェットに組み立てる
# ==== Return
# Array[Gtk::Widget]
def build
if @mode == :auto && !widget?
build_combo
else
build_list
end
end
def method_missing(*args, &block)
@formdsl.method_missing(*args, &block)
end
private
def widget?
@options.any? { |_, _, w| w }
end
def build_combo
label = Gtk::Label.new @label_text
combo = Gtk::ComboBoxText.new
@options.each { |_, text| combo.append text, text }
_, combo.active_id = @options.find { |value,| value == @formdsl[@config_key] }
combo.ssc :changed do
@formdsl[@config_key], = @options[combo.active]
end
[label, combo]
end
def build_list
list = Gtk::ListBox.new
list.hexpand = true
list.selection_mode = :none
list.set_header_func do |row, before|
before.nil? or next
row.header = Gtk::Label.new.tap do |w|
w.markup = "<b>#{@label_text}</b>"
w.margin = 6
w.margin_start = 12
w.halign = :start
end
end
list.ssc :row_activated do |_, row|
row.child.each do |w|
if w.is_a? Gtk::CheckButton
w.clicked
else
w.can_focus? and w.has_focus = true
end
end
end
@group = Gtk::RadioButton.new
@options.each do |value, text, widget|
box = Gtk::Box.new(:vertical)
box.margin = box.spacing = 12
if widget
# textの指定がなく、子widgetの中にLabelが1つだけ存在する場合は内容をRadioButtonに移動させる
if text.nil?
labels = widget.children.filter { |w| w.is_a?(Gtk::Label) }
if labels.size == 1
text = labels.first.label
widget.remove(labels.first)
end
end
box << build_check(value, text)
widget.margin = 0
widget.margin_start = 24
box << widget
else
box << build_check(value, text)
end
list << box
end
[Gtk::Frame.new << list]
end
def build_check(value, text)
Gtk::RadioButton.new(label: text, member: @group).tap do |w|
@formdsl[@config_key] == value and w.active = true
w.ssc(:toggled) { w.active? and @formdsl[@config_key] = value }
end
end
end
end
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