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# -*- coding: utf-8 -*-
require 'gtk2'
# Messageをレンダリングする際の、各パーツの座標の取得設定のためのモジュール
module Gdk::Coordinate
attr_accessor :width, :color, :icon_width, :icon_height, :icon_margin
CoordinateStruct = Struct.new(:main_icon, :main_text, :header_text, :reply)
DEPTH = Gdk::Visual.system.depth
class Region
def initialize(x, y, w, h)
@x, @y, @w, @h = x, y, w, h end
def point_in?(mx, my)
left <= mx and mx <= right and top <= my and my <= bottom
end
[:x, :y, :w, :h].each{ |node|
define_method(node){
n = instance_eval("@#{node}")
if n.is_a?(Proc)
n.call
else
n end }
memoize node }
def bottom
y + h end
def right
x + w end
alias :left :x
alias :top :y
alias :width :w
alias :height :h
end
# 高さを計算して返す
def height
@height ||= Hash.new
@height[width] ||=
[(main_message.size[1] + header_left.size[1]) / Pango::SCALE, icon_height].max + icon_margin*2 + subparts_height
end
def mainpart_height
@minpart_height ||= Hash.new
@minpart_height[width] ||= height - subparts_height - icon_margin
end
def reset_height
if(@height and defined?(@minpart_height) and tree)
sid = ssc(:modified, tree){
tree.get_column(0).queue_resize
signal_handler_disconnect(sid) if signal_handler_is_connected?(sid)
false }
@height = @minpart_height = nil
on_modify end
self end
def width=(new)
if(@width != new)
@width = [new, 1].max
on_modify(true) end
new
end
protected
# 寸法の初期化
def coordinator(width)
@width, @color, @icon_width, @icon_height, @icon_margin = [width, 1].max, DEPTH, 48, 48, 2
end
# 座標系を構造体にまとめて返す
def coordinate
@coordinate ||= CoordinateStruct.new(Region.new(icon_margin, # メインアイコン
icon_margin,
icon_width,
icon_height),
Region.new(icon_width + icon_margin * 2, # つぶやき本文
lambda{ pos.header_text.bottom },
width - icon_width - icon_margin * 4,
0),
Region.new(icon_width + icon_margin * 2, # ヘッダ
icon_margin,
width - (icon_width + icon_margin * 4),
lambda{ header_left.size[1] / Pango::SCALE })
)
end
alias :pos :coordinate
end
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