sup in sup-0.9

- old
+ new

@@ -3,14 +3,13 @@
 require 'rubygems'
 require 'ncurses'
 require 'curses'
 require 'fileutils'
 require 'trollop'
-require 'fastthread'
 require "sup"
 
-BIN_VERSION = "0.8.1"
+BIN_VERSION = "0.9"
 
 unless Redwood::VERSION == BIN_VERSION
   $stderr.puts <<EOS
 
 Error: version mismatch!
@@ -57,10 +56,11 @@
   Redwood::HookManager.print_hooks
   exit
 end
 
 Thread.abort_on_exception = true # make debugging possible
+Thread.current.priority = 1 # keep ui responsive
 
 module Redwood
 
 global_keymap = Keymap.new do |k|
   k.add :quit_ask, "Quit Sup, but ask first", 'q'
@@ -77,38 +77,40 @@
   k.add :list_labels, "List labels", 'L'
   k.add :poll, "Poll for new messages", 'P'
   k.add :compose, "Compose new message", 'm', 'c'
   k.add :nothing, "Do nothing", :ctrl_g
   k.add :recall_draft, "Edit most recent draft message", 'R'
+  k.add :show_inbox, "Show the Inbox buffer", 'I'
+  k.add :show_console, "Show the Console buffer", '~'
 end
 
 ## the following magic enables wide characters when used with a ruby
 ## ncurses.so that's been compiled against libncursesw. (note the w.) why
 ## this works, i have no idea. much like pretty much every aspect of
 ## dealing with curses.  cargo cult programming at its best.
 ##
 ## BSD users: if libc.so.6 is not found, try installing compat6x.
 require 'dl/import'
 module LibC
-  extend DL::Importable
+  extend DL.const_defined?(:Importer) ? DL::Importer : DL::Importable
   setlocale_lib = case Config::CONFIG['arch']
     when /darwin/; "libc.dylib"
     when /cygwin/; "cygwin1.dll"
     else; "libc.so.6"
   end
 
-  Redwood::log "dynamically loading setlocale() from #{setlocale_lib}"
+  debug "dynamically loading setlocale() from #{setlocale_lib}"
   begin
     dlload setlocale_lib
     extern "void setlocale(int, const char *)"
-    Redwood::log "setting locale..."
+    debug "setting locale..."
     LibC.setlocale(6, "")  # LC_ALL == 6
   rescue RuntimeError => e
-    Redwood::log "cannot dlload setlocale(); ncurses wide character support probably broken."
-    Redwood::log "dlload error was #{e.class}: #{e.message}"
+    warn "cannot dlload setlocale(); ncurses wide character support probably broken."
+    warn "dlload error was #{e.class}: #{e.message}"
     if Config::CONFIG['arch'] =~ /bsd/
-      Redwood::log "BSD variant detected. You may have to install a compat6x package to acquire libc."
+      warn "BSD variant detected. You may have to install a compat6x package to acquire libc."
     end
   end
 end
 
 def start_cursing
@@ -128,123 +130,120 @@
   Ncurses.echo
   Ncurses.endwin
 end
 module_function :start_cursing, :stop_cursing
 
-Index.new
-begin
-  Index.lock
-rescue Index::LockError => e
-  require 'highline'
+Index.init
+Index.lock_interactively or exit
 
-  h = HighLine.new
-  h.wrap_at = :auto
-  h.say Index.fancy_lock_error_message_for(e)
-
-  case h.ask("Should I ask that process to kill itself? ")
-  when /^\s*y(es)?\s*$/i
-    h.say "Ok, suggesting seppuku..."
-    FileUtils.touch Redwood::SUICIDE_FN
-    sleep SuicideManager::DELAY * 2
-    FileUtils.rm_f Redwood::SUICIDE_FN
-    h.say "Let's try that again."
-    retry
-  else
-    h.say <<EOS
-Ok, giving up. If the process crashed and left a stale lockfile, you
-can fix this by manually deleting #{Index.lockfile}.
-EOS
-    exit
-  end
-end
-
 begin
   Redwood::start
   Index.load
 
-  if(s = Index.source_for DraftManager.source_name)
+  $die = false
+  trap("TERM") { |x| $die = true }
+  trap("WINCH") { |x| BufferManager.sigwinch_happened! }
+
+  if(s = Redwood::SourceManager.source_for DraftManager.source_name)
     DraftManager.source = s
   else
-    Redwood::log "no draft source, auto-adding..."
-    Index.add_source DraftManager.new_source
+    debug "no draft source, auto-adding..."
+    Redwood::SourceManager.add_source DraftManager.new_source
   end
 
-  if(s = Index.source_for SentManager.source_name)
+  if(s = Redwood::SourceManager.source_for SentManager.source_uri)
     SentManager.source = s
   else
-    Redwood::log "no sent mail source, auto-adding..."
-    Index.add_source SentManager.new_source
+    Redwood::SourceManager.add_source SentManager.default_source
   end
 
   HookManager.run "startup"
 
-  log "starting curses"
+  debug "starting curses"
+  Redwood::Logger.remove_sink $stderr
   start_cursing
 
-  bm = BufferManager.new
+  bm = BufferManager.init
   Colormap.new.populate_colormap
 
-  log "initializing mail index buffer"
+  debug "initializing log buffer"
+  lmode = Redwood::LogMode.new "system log"
+  lmode.on_kill { Logger.clear! }
+  Logger.add_sink lmode
+  Logger.force_message "Welcome to Sup! Log level is set to #{Logger.level}."
+  if Logger::LEVELS.index(Logger.level) > 0
+    Logger.force_message "For more verbose logging, restart with SUP_LOG_LEVEL=#{Logger::LEVELS[Logger::LEVELS.index(Logger.level)-1]}."
+  end
+
+  debug "initializing inbox buffer"
   imode = InboxMode.new
   ibuf = bm.spawn "Inbox", imode
 
-  log "ready for interaction!"
-  Logger.make_buf
+  debug "ready for interaction!"
 
   bm.draw_screen
 
-  Index.usual_sources.each do |s|
+  Redwood::SourceManager.usual_sources.each do |s|
     next unless s.respond_to? :connect
     reporting_thread("call #connect on #{s}") do
       begin
         s.connect
       rescue SourceError => e
-        Redwood::log "fatal error loading from #{s}: #{e.message}"
+        error "fatal error loading from #{s}: #{e.message}"
       end
     end
   end unless $opts[:no_initial_poll]
-  
-  imode.load_threads :num => ibuf.content_height, :when_done => lambda { reporting_thread("poll after loading inbox") { sleep 1; PollManager.poll } unless $opts[:no_threads] || $opts[:no_initial_poll] }
 
+  imode.load_threads :num => ibuf.content_height, :when_done => lambda { |num| reporting_thread("poll after loading inbox") { sleep 1; PollManager.poll } unless $opts[:no_threads] || $opts[:no_initial_poll] }
+
   if $opts[:compose]
     ComposeMode.spawn_nicely :to_default => $opts[:compose]
   end
 
   unless $opts[:no_threads]
     PollManager.start
-    SuicideManager.start
     Index.start_lock_update_thread
   end
 
   if $opts[:search]
     SearchResultsMode.spawn_from_query $opts[:search]
   end
 
-  until Redwood::exceptions.nonempty? || SuicideManager.die?
-    c = 
-       begin
-         Ncurses.nonblocking_getch
-       rescue Exception => e
-         if e.is_a?(Interrupt)
-           raise if BufferManager.ask_yes_or_no("Die ungracefully now?")
-           bm.draw_screen
-           nil
-         end
-       end
-    next unless c
+  until Redwood::exceptions.nonempty? || $die
+    c = begin
+      Ncurses.nonblocking_getch
+    rescue Interrupt
+      raise if BufferManager.ask_yes_or_no "Die ungracefully now?"
+      BufferManager.draw_screen
+      nil
+    end
+
+    if c.nil?
+      if BufferManager.sigwinch_happened?
+        debug "redrawing screen on sigwinch"
+        BufferManager.completely_redraw_screen
+      end
+      next
+    end
+
+    if c == 410
+      ## this is ncurses's way of telling us it's detected a refresh.
+      ## since we have our own sigwinch handler, we don't do anything.
+      next
+    end
+
     bm.erase_flash
 
-    action =
-      begin
-        if bm.handle_input c
-          :nothing
-        else
-          bm.resolve_input_with_keymap c, global_keymap
-        end
-      rescue InputSequenceAborted
+    action = begin
+      if bm.handle_input c
         :nothing
+      else
+        bm.resolve_input_with_keymap c, global_keymap
       end
+    rescue InputSequenceAborted
+      :nothing
+    end
     case action
     when :quit_now
       break if bm.kill_all_buffers_safely
     when :quit_ask
       if bm.ask_yes_or_no "Really quit?"
@@ -296,44 +295,50 @@
         r.edit_message
       else
         b, new = BufferManager.spawn_unless_exists("All drafts") { LabelSearchResultsMode.new [:draft] }
         b.mode.load_threads :num => b.content_height if new
       end
+    when :show_inbox
+      BufferManager.raise_to_front ibuf
+    when :show_console
+      b, new = bm.spawn_unless_exists("Console", :system => true) { ConsoleMode.new }
+      b.mode.run
     when :nothing, InputSequenceAborted
     when :redraw
       bm.completely_redraw_screen
     else
       bm.flash "Unknown keypress '#{c.to_character}' for #{bm.focus_buf.mode.name}."
     end
 
     bm.draw_screen
   end
 
-  bm.kill_all_buffers if SuicideManager.die?
+  bm.kill_all_buffers if $die
 rescue Exception => e
   Redwood::record_exception e, "main"
 ensure
   unless $opts[:no_threads]
     PollManager.stop if PollManager.instantiated?
-    SuicideManager.stop if PollManager.instantiated?
     Index.stop_lock_update_thread
   end
 
   HookManager.run "shutdown"
 
   Redwood::finish
   stop_cursing
-  Redwood::log "stopped cursing"
+  Redwood::Logger.remove_all_sinks!
+  Redwood::Logger.add_sink $stderr, false
+  debug "stopped cursing"
 
-  if SuicideManager.instantiated? && SuicideManager.die?
-    Redwood::log "I've been ordered to commit seppuku. I obey!"
+  if $die
+    info "I've been ordered to commit seppuku. I obey!"
   end
 
   if Redwood::exceptions.empty?
-    Redwood::log "no fatal errors. good job, william."
+    debug "no fatal errors. good job, william."
     Index.save
   else
-    Redwood::log "oh crap, an exception"
+    error "oh crap, an exception"
   end
 
   Index.unlock
 end
 