Created
April 17, 2012 08:11
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Dead-simple Markdown Viewer
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#!/usr/bin/env ruby | |
require 'ffi-gtk3' | |
require 'github/markup' | |
GirFFI.setup :WebKit, '3.0' | |
Gtk.init | |
WebKit.set_cache_model :document_viewer | |
class MarkDownViewer | |
attr_reader :file | |
def initialize file | |
@file = file | |
setup_gui | |
reload | |
connect_signals | |
@win.show_all | |
end | |
def connect_signals | |
@win.signal_connect 'key-press-event' do |wdg, evt, ud| | |
if evt.state == :control_mask | |
case evt.keyval | |
when "q".ord | |
@win.destroy | |
when "r".ord | |
self.reload | |
end | |
end | |
false | |
end | |
@win.signal_connect("destroy") { Gtk.main_quit } | |
end | |
def setup_gui | |
@win = Gtk::Window.new :toplevel | |
@win.set_default_geometry 700, 500 | |
@scr = Gtk::ScrolledWindow.new nil, nil | |
@wv = WebKit::WebView.new | |
@win.add @scr | |
@scr.add @wv | |
end | |
def fullpath | |
@fullpath ||= File.expand_path(file, Dir.pwd) | |
end | |
def base_uri | |
@base_uri ||= "file://#{fullpath}" | |
end | |
def html | |
GitHub::Markup.render(fullpath) | |
end | |
def reload | |
@wv.load_string html, nil, nil, base_uri | |
end | |
end | |
file = ARGV[0] | |
raise "Need file" unless file | |
MarkDownViewer.new file | |
Gtk.main |
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