sup

commit 6e57465483d3f03aaa45b1330b670e2130f90fb0
parent 96b55e2fd39105679dcbb2aa1449a2a09ed5a8c8
Author: William Morgan <wmorgan-sup@masanjin.net>
Date:   Wed,  5 Aug 2009 16:39:15 -0400

Revert "Merge branch 'ncurses-fixes' into next"

This reverts commit 96b55e2fd39105679dcbb2aa1449a2a09ed5a8c8.

Diffstat:

2 files changed, 26 insertions(+), 24 deletions(-)
diff --git a/bin/sup b/bin/sup
@@ -160,8 +160,6 @@ begin
   Redwood::start
   Index.load
 
-  trap("TERM") { |x| raise "so speaking as i think, i die, i die!" }
-
   if(s = Redwood::SourceManager.source_for DraftManager.source_name)
     DraftManager.source = s
   else
@@ -220,26 +218,29 @@ begin
   end
 
   until Redwood::exceptions.nonempty? || SuicideManager.die?
-    c = begin
-      Ncurses.nonblocking_getch
-    rescue Interrupt => e
-      raise if BufferManager.ask_yes_or_no "Die ungracefully now?"
-      BufferManager.draw_screen
-      nil
-    end
-
+    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
     bm.erase_flash
 
-    action = begin
-      if bm.handle_input c
+    action =
+      begin
+        if bm.handle_input c
+          :nothing
+        else
+          bm.resolve_input_with_keymap c, global_keymap
+        end
+      rescue InputSequenceAborted
         :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
diff --git a/lib/sup/buffer.rb b/lib/sup/buffer.rb
@@ -25,13 +25,14 @@ module Ncurses
   def mutex; @mutex ||= Mutex.new; end
   def sync &b; mutex.synchronize(&b); end
 
+  ## magically, this stuff seems to work now. i could swear it didn't
+  ## before. hm.
   def nonblocking_getch
-    ## INSANITY
-    ## it is NECESSARY to call nodelay EVERY TIME otherwise a single ctrl-c
-    ## will turn a blocking call into a nonblocking one. hours of my life
-    ## wasted on this trivial bullshit: 3.
-    Ncurses.nodelay Ncurses.stdscr, false
-    Ncurses.getch
+    if IO.select([$stdin], nil, nil, 1)
+      Ncurses.getch
+    else
+      nil
+    end
   end
 
   module_function :rows, :cols, :curx, :nonblocking_getch, :mutex, :sync
@@ -69,7 +70,7 @@ class Buffer
   def content_height; @height - 1; end
   def content_width; @width; end
 
-  def resize rows, cols
+  def resize rows, cols 
     return if cols == @width && rows == @height
     @width = cols
     @height = rows