From 09707415eb6110268da579fa0641c3a451f138ca Mon Sep 17 00:00:00 2001
From: Corinna Vinschen <corinna@vinschen.de>
Date: Fri, 11 Jan 2013 11:04:50 +0000
Subject: [PATCH] 	* fhandler.h (class dev_console): Flag for expanded
 control sequence. 	* fhandler_console.cc (char_command): Supporting
 cursor style modes.

---
 winsup/cygwin/ChangeLog           |  5 ++++
 winsup/cygwin/fhandler.h          |  3 +-
 winsup/cygwin/fhandler_console.cc | 47 +++++++++++++++++++++++++++++--
 3 files changed, 52 insertions(+), 3 deletions(-)

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 863fb560f..7f40ffe6d 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+2013-01-11  Thomas Wolff  <towo@towo.net>
+
+	* fhandler.h (class dev_console): Flag for expanded control sequence.
+	* fhandler_console.cc (char_command): Supporting cursor style modes.
+
 2013-01-10  Corinna Vinschen  <corinna@vinschen.de>
 
 	* path.h (path_conv::fs_type): New method.
diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h
index e2db959e5..3225f8f20 100644
--- a/winsup/cygwin/fhandler.h
+++ b/winsup/cygwin/fhandler.h
@@ -1,7 +1,7 @@
 /* fhandler.h
 
    Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-   2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Red Hat, Inc.
+   2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Red Hat, Inc.
 
 This file is part of Cygwin.
 
@@ -1246,6 +1246,7 @@ class dev_console
   unsigned rarg;
   bool saw_question_mark;
   bool saw_greater_than_sign;
+  bool saw_space;
   bool vt100_graphics_mode_G0;
   bool vt100_graphics_mode_G1;
   bool iso_2022_G1;
diff --git a/winsup/cygwin/fhandler_console.cc b/winsup/cygwin/fhandler_console.cc
index faedd8ab4..3e1a424f4 100644
--- a/winsup/cygwin/fhandler_console.cc
+++ b/winsup/cygwin/fhandler_console.cc
@@ -1,7 +1,7 @@
 /* fhandler_console.cc
 
    Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-   2006, 2008, 2009, 2010, 2011, 2012 Red Hat, Inc.
+   2006, 2008, 2009, 2010, 2011, 2012, 2013 Red Hat, Inc.
 
 This file is part of Cygwin.
 
@@ -1510,6 +1510,31 @@ fhandler_console::char_command (char c)
 	   }
        dev_state.set_color (get_output_handle ());
       break;
+    case 'q': /* Set cursor style (DECSCUSR) */
+      if (dev_state.saw_space)
+	{
+	    CONSOLE_CURSOR_INFO console_cursor_info;
+	    GetConsoleCursorInfo (get_output_handle (), & console_cursor_info);
+	    switch (dev_state.args_[0])
+	      {
+		case 0: /* blinking block */
+		case 1: /* blinking block (default) */
+		case 2: /* steady block */
+		  console_cursor_info.dwSize = 100;
+		  SetConsoleCursorInfo (get_output_handle (), & console_cursor_info);
+		  break;
+		case 3: /* blinking underline */
+		case 4: /* steady underline */
+		  console_cursor_info.dwSize = 10;	/* or Windows default 25? */
+		  SetConsoleCursorInfo (get_output_handle (), & console_cursor_info);
+		  break;
+		default: /* use value as percentage */
+		  console_cursor_info.dwSize = dev_state.args_[0];
+		  SetConsoleCursorInfo (get_output_handle (), & console_cursor_info);
+		  break;
+	      }
+	}
+      break;
     case 'h':
     case 'l':
       if (!dev_state.saw_question_mark)
@@ -1525,6 +1550,17 @@ fhandler_console::char_command (char c)
 	}
       switch (dev_state.args_[0])
 	{
+	case 25: /* Show/Hide Cursor (DECTCEM) */
+	  {
+	    CONSOLE_CURSOR_INFO console_cursor_info;
+	    GetConsoleCursorInfo (get_output_handle (), & console_cursor_info);
+	    if (c == 'h')
+	      console_cursor_info.bVisible = TRUE;
+	    else
+	      console_cursor_info.bVisible = FALSE;
+	    SetConsoleCursorInfo (get_output_handle (), & console_cursor_info);
+	    break;
+	  }
 	case 47:   /* Save/Restore screen */
 	  if (c == 'h') /* save */
 	    {
@@ -1752,7 +1788,7 @@ fhandler_console::char_command (char c)
 	  __small_sprintf (buf, "\033[%d;%dR", y + 1, x + 1);
 	  puts_readahead (buf);
 	  break;
-    default:
+      default:
 	  goto bad_escape;
 	}
       break;
@@ -2026,6 +2062,7 @@ fhandler_console::write (const void *vsrc, size_t len)
 	      dev_state.state_ = gotsquare;
 	      dev_state.saw_question_mark = false;
 	      dev_state.saw_greater_than_sign = false;
+	      dev_state.saw_space = false;
 	      for (dev_state.nargs_ = 0; dev_state.nargs_ < MAXARGS; dev_state.nargs_++)
 		dev_state.args_[dev_state.nargs_] = 0;
 	      dev_state.nargs_ = 0;
@@ -2092,6 +2129,12 @@ fhandler_console::write (const void *vsrc, size_t len)
 	      if (dev_state.nargs_ >= MAXARGS)
 		dev_state.nargs_--;
 	    }
+	  else if (*src == ' ')
+	    {
+	      src++;
+	      dev_state.saw_space = true;
+	      dev_state.state_ = gotcommand;
+	    }
 	  else
 	    {
 	      dev_state.state_ = gotcommand;