Allow querying 'select'.

Using this, it will be possible to detect if a particular window
exists or not.

2 files changed, 7 insertions, 2 deletions

diff --git a/src/comm.c b/src/comm.c
index 4843e10..ba9806b 100644
--- a/src/comm.c
+++ b/src/comm.c
@@ -286,7 +286,7 @@ struct comm comms[RC_LAST + 1] =
 #ifdef COPY_PASTE
   { "scrollback",	NEED_FORE|ARGS_1 },
 #endif
-  { "select",		ARGS_01 },
+  { "select",		CAN_QUERY|ARGS_01 },
   { "sessionname",	ARGS_01 },
   { "setenv",		ARGS_012 },
   { "setsid",		ARGS_1 },
diff --git a/src/process.c b/src/process.c
index 5d6941d..34ed63d 100644
--- a/src/process.c
+++ b/src/process.c
@@ -1208,7 +1208,10 @@ int key;
       else if (args[0][0] == '.' && !args[0][1])
 	{
 	  if (!fore)
-	    Msg(0, "select . needs a window");
+	    {
+	      Msg(0, "select . needs a window");
+	      queryflag = -1;
+	    }
 	  else
 	    {
 	      SetForeWindow(fore);
@@ -1217,6 +1220,8 @@ int key;
 	}
       else if (ParseWinNum(act, &n) == 0)
         SwitchWindow(n);
+      else if (queryflag >= 0)
+	queryflag = -1;	/* ParseWinNum already prints out an appropriate error message. */
       break;
 #ifdef AUTO_NUKE
     case RC_DEFAUTONUKE: