require 'curses'
require 'fileutils'
require 'trollop'
-require 'fastthread'
require "sup"
BIN_VERSION = "git"
No return value.
EOS
+Redwood::HookManager.register "shutdown", <<EOS
+Executes when sup is shutting down. May be run when sup is crashing,
+so don\'t do anything too important. Run before the label, contacts,
+and people are saved.
+No variables.
+No return value.
+EOS
+
if $opts[:list_hooks]
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'
k.add :quit_now, "Quit Sup immediately", 'Q'
- k.add :help, "Show help", 'H', '?'
+ k.add :help, "Show help", '?'
k.add :roll_buffers, "Switch to next buffer", 'b'
-# k.add :roll_buffers_backwards, "Switch to previous buffer", 'B'
+ k.add :roll_buffers_backwards, "Switch to previous buffer", 'B'
k.add :kill_buffer, "Kill the current buffer", 'x'
- k.add :list_buffers, "List all buffers", 'B'
+ k.add :list_buffers, "List all buffers", ';'
k.add :list_contacts, "List contacts", 'C'
k.add :redraw, "Redraw screen", :ctrl_l
k.add :search, "Search all messages", '\\', 'F'
+ k.add :search_unread, "Show all unread messages", 'U'
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'
+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.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
+
+ debug "dynamically loading setlocale() from #{setlocale_lib}"
+ begin
+ dlload setlocale_lib
+ extern "void setlocale(int, const char *)"
+ debug "setting locale..."
+ LibC.setlocale(6, "") # LC_ALL == 6
+ rescue RuntimeError => e
+ warn "cannot dlload setlocale(); ncurses wide character support probably broken."
+ warn "dlload error was #{e.class}: #{e.message}"
+ if Config::CONFIG['arch'] =~ /bsd/
+ warn "BSD variant detected. You may have to install a compat6x package to acquire libc."
+ end
+ end
end
def start_cursing
Ncurses.noecho
Ncurses.cbreak
Ncurses.stdscr.keypad 1
+ Ncurses.use_default_colors
Ncurses.curs_set 0
Ncurses.start_color
$cursing = true
end
module_function :start_cursing, :stop_cursing
-Index.new
-begin
- Index.lock
-rescue Index::LockError => e
- require 'highline'
-
- h = HighLine.new
- h.wrap_at = :auto
- h.say Index.fancy_lock_error_message_for(e)
-
- case h.ask("Should I ask that process to kill itself? ")
- when /^\s*y\s*$/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
+Index.init
+Index.lock_interactively or exit
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}."
+
+ 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]
unless $opts[:no_threads]
PollManager.start
- SuicideManager.start
Index.start_lock_update_thread
end
SearchResultsMode.spawn_from_query $opts[:search]
end
- until Redwood::exceptions.nonempty? || SuicideManager.die?
- c = Ncurses.nonblocking_getch
- next unless c
+ until Redwood::exceptions.nonempty? || $die
+ c = begin
+ Ncurses.nonblocking_getch
+ rescue Interrupt => e
+ raise if BufferManager.ask_yes_or_no "Die ungracefully now?"
+ BufferManager.draw_screen
+ nil
+ end
+
+ if c.nil?
+ if BufferManager.sigwinch_happened?
+ debug "redrawing screen on sigwinch"
+ BufferManager.completely_redraw_screen
+ end
+ next
+ end
+
+ if c == 410
+ ## this is ncurses's way of telling us it's detected a refresh.
+ ## since we have our own sigwinch handler, we don't do anything.
+ next
+ end
+
bm.erase_flash
- action =
- begin
- if bm.handle_input c
- :nothing
- else
- bm.resolve_input_with_keymap c, global_keymap
- end
- rescue InputSequenceAborted
+ action = begin
+ if bm.handle_input c
:nothing
+ else
+ bm.resolve_input_with_keymap c, global_keymap
end
-
+ rescue InputSequenceAborted
+ :nothing
+ end
case action
when :quit_now
break if bm.kill_all_buffers_safely
when :kill_buffer
bm.kill_buffer_safely bm.focus_buf
when :list_buffers
- bm.spawn_unless_exists("Buffer List") { BufferListMode.new }
+ bm.spawn_unless_exists("buffer list", :system => true) { BufferListMode.new }
when :list_contacts
b, new = bm.spawn_unless_exists("Contact List") { ContactListMode.new }
b.mode.load_in_background if new
query = BufferManager.ask :search, "search all messages: "
next unless query && query !~ /^\s*$/
SearchResultsMode.spawn_from_query query
+ when :search_unread
+ SearchResultsMode.spawn_from_query "is:unread"
when :list_labels
- labels = LabelManager.listable_labels.map { |l| LabelManager.string_for l }
+ labels = LabelManager.all_labels.map { |l| LabelManager.string_for l }
user_label = bm.ask_with_completions :label, "Show threads with label (enter for listing): ", labels
unless user_label.nil?
if user_label.empty?
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 :nothing, InputSequenceAborted
when :redraw
bm.completely_redraw_screen
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
projects / sup / blobdiff