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# -*- coding: utf-8 -*-
miquire :mui, 'extension', 'contextmenu'
miquire :core, 'plugin'
miquire :miku, 'miku'
require 'gtk2'
require 'uri'
class Gtk::IntelligentTextview < Gtk::TextView
extend Gem::Deprecate
attr_accessor :fonts
attr_writer :style_generator
alias :get_background= :style_generator=
deprecate :get_background=, "style_generator=", 2017, 02
@@linkrule = MIKU::Cons.list([URI.regexp(['http','https']),
lambda{ |u, clicked| self.openurl(u) },
lambda{ |u, clicked|
Gtk::ContextMenu.new(['リンクのURLをコピー', ret_nth, lambda{ |opt, w| Gtk::Clipboard.copy(u) }],
['開く', ret_nth, lambda{ |opt, w| self.openurl(u) }]).
popup(clicked, true)}])
@@widgetrule = []
def self.addlinkrule(reg, leftclick, rightclick=nil)
@@linkrule = MIKU::Cons.new([reg, leftclick, rightclick].freeze, @@linkrule).freeze end
def self.addwidgetrule(reg, widget = nil)
@@widgetrule = @@widgetrule.unshift([reg, (widget or Proc.new)]) end
# URLを開く
def self.openurl(url)
# gen_openurl_proc(url).call
Gtk::TimeLine.openurl(url)
false end
def initialize(msg = nil, default_fonts = {}, *rest, style: nil)
super(*rest)
@fonts = default_fonts
@style_generator = style
self.editable = false
self.cursor_visible = false
self.wrap_mode = Gtk::TextTag::WRAP_CHAR
gen_body(msg) if msg
end
# このウィジェットの背景色を返す
# ==== Return
# Gtk::Style
def style_generator
if @style_generator.respond_to? :to_proc
@style_generator.to_proc.call
elsif @style_generator
@style_generator
else
parent.style.bg(Gtk::STATE_NORMAL)
end
end
alias :get_background :style_generator
deprecate :get_background, "style_generator", 2017, 02
# TODO プライベートにする
def set_cursor(textview, cursor)
textview.get_window(Gtk::TextView::WINDOW_TEXT).set_cursor(Gdk::Cursor.new(cursor))
end
def bg_modifier(color = style_generator)
if color.is_a? Gtk::Style
self.style = color
elsif get_window(Gtk::TextView::WINDOW_TEXT).respond_to?(:background=)
get_window(Gtk::TextView::WINDOW_TEXT).background = color end
queue_draw
false end
# 新しいテキスト _msg_ に内容を差し替える。
# ==== Args
# [msg] 表示する文字列
# ==== Return
# self
def rewind(msg)
type_strict msg => String
set_buffer(Gtk::TextBuffer.new)
gen_body(msg)
end
private
def fonts2tags(fonts)
tags = Hash.new
tags['font'] = UserConfig[fonts['font']] if fonts.has_key?('font')
if fonts.has_key?('foreground')
tags['foreground_gdk'] = Gdk::Color.new(*UserConfig[fonts['foreground']]) end
tags
end
def gen_body(msg, fonts={})
type_strict msg => String, fonts => Hash
tags = fonts2tags(fonts)
tag_shell = buffer.create_tag('shell', fonts2tags(fonts))
buffer.insert(buffer.start_iter, msg, 'shell')
apply_links
apply_inner_widget
set_events(tag_shell)
self
end
def set_events(tag_shell)
self.signal_connect('realize'){
self.parent.signal_connect('style-set'){ bg_modifier } }
self.signal_connect('realize'){ bg_modifier }
self.signal_connect('visibility-notify-event'){
if fonts['font'] and tag_shell.font != UserConfig[fonts['font']]
tag_shell.font = UserConfig[fonts['font']] end
if fonts['foreground'] and tag_shell.foreground_gdk.to_s != UserConfig[fonts['foreground']]
tag_shell.foreground_gdk = Gdk::Color.new(*UserConfig[fonts['foreground']]) end
false }
self.signal_connect('event'){
set_cursor(self, Gdk::Cursor::XTERM)
false }
end
def create_tag_ifnecessary(tagname, buffer, leftclick, rightclick)
tag = buffer.create_tag(tagname, "underline" => Pango::Underline::SINGLE)
tag.signal_connect('event'){ |this, textview, event, iter|
result = false
if(event.is_a?(Gdk::EventButton)) and
(event.event_type == Gdk::Event::BUTTON_RELEASE) and
not(textview.buffer.selection_bounds[2])
if (event.button == 1 and leftclick)
leftclick.call(tagname, textview)
elsif(event.button == 3 and rightclick)
rightclick.call(tagname, textview)
result = true end
elsif(event.is_a?(Gdk::EventMotion))
set_cursor(textview, Gdk::Cursor::HAND2)
end
result }
tag end
def apply_links
@@linkrule.each{ |param|
reg, left, right = param
buffer.text.scan(reg) {
match = Regexp.last_match
index = buffer.text[0, match.begin(0)].size
body = match.to_s.freeze
create_tag_ifnecessary(body, buffer, left, right) if not buffer.tag_table.lookup(body)
range = buffer.get_range(index, body.size)
buffer.apply_tag(body, *range)
} } end
def apply_inner_widget
offset = 0
@@widgetrule.each{ |param|
reg, widget_generator = param
buffer.text.scan(reg) { |match|
match = Regexp.last_match
index = [buffer.text.size, match.begin(0)].min
body = match.to_s.freeze
range = buffer.get_range(index, body.size + offset)
widget = widget_generator.call(body)
if widget
self.add_child_at_anchor(widget, buffer.create_child_anchor(range[1]))
offset += 1 end } } end
end
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