Created
December 9, 2011 14:18
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A tiny Markdown Viewer with Ruby/Gtk
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| #!/usr/bin/env ruby | |
| require 'tempfile' | |
| require 'rubygems' | |
| require 'gtkmozembed' | |
| require 'markdown' | |
| class MarkdownViewer < Gtk::Window | |
| def initialize(file) | |
| super | |
| signal_connect "destroy" do | |
| Gtk.main_quit | |
| end | |
| set_title "Markdown viewer [#{file}]" | |
| resize(780, 570) | |
| set_window_position Gtk::Window::POS_CENTER | |
| self << Gtk::MozEmbed.new | |
| child.chrome_mask = Gtk::MozEmbed::ALLCHROME | |
| child.location = "file://#{get_html(file)}" | |
| show_all | |
| end | |
| private | |
| def get_html(file) | |
| data = open(file).read | |
| html = Markdown.new(data).to_html | |
| tmp_html = Tempfile.open("mdv") | |
| tmp_html.print <<EOF | |
| <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en-us"> | |
| <head> | |
| <meta http-equiv="content-type" content="text/html; charset=utf-8" /> | |
| <style> | |
| body { | |
| margin: 5px; | |
| padding: 5px; | |
| color: #000; | |
| background-color: #fff; | |
| font-family: sans-serif; | |
| line-height: 1.5em; | |
| } | |
| </style> | |
| <body> | |
| EOF | |
| tmp_html.print html | |
| tmp_html.print <<EOF | |
| </body> | |
| </head> | |
| EOF | |
| tmp_html.close | |
| tmp_html.path | |
| end | |
| end | |
| if ARGV[0].nil? | |
| puts "Usage : #{$0} file.md" | |
| else | |
| Gtk.init | |
| window = MarkdownViewer.new(ARGV[0]) | |
| Gtk.main | |
| end |
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