patch 7.4.1187

Problem:    MS-Windows channel code only supports one channel.  Doesn't build
            without netbeans support.
Solution:   Get the channel index from the socket in the message. Closes #600.

src/channel.c

@@ -207,7 +207,6 @@ channel_gui_register(int idx)
     /*
      * Tell Windows we are interested in receiving message when there
      * is input on the editor connection socket.
-     * TODO: change WM_NETBEANS to something related to the channel index.
      */
     if (channel->ch_inputHandler == -1)
 	channel->ch_inputHandler =
@@ -648,6 +647,24 @@ channel_read(int idx)
 #endif
 }
 
+# if defined(FEAT_GUI_W32) || defined(PROTO)
+/*
+ * Lookup the channel index from the socket.
+ * Returns -1 when the socket isn't found.
+ */
+    int
+channel_socket2idx(sock_T fd)
+{
+    int i;
+
+    if (fd >= 0)
+	for (i = 0; i < channel_count; ++i)
+	    if (channels[i].ch_fd == fd)
+		return i;
+    return -1;
+}
+# endif
+
 /*
  * Write "buf" (NUL terminated string) to channel "idx".
  * When "fun" is not NULL an error message might be given.

src/gui_w48.c

@@ -1782,8 +1782,10 @@ process_message(void)
 #ifdef FEAT_CHANNEL
     if (msg.message == WM_NETBEANS)
     {
-	/* TODO: channel_read(idx) */
-	netbeans_read();
+	int channel_idx = channel_socket2idx((sock_T)msg.wParam);
+
+	if (channel_idx >= 0)
+	    channel_read(channel_idx);
 	return;
     }
 #endif

src/netbeans.c

@@ -427,14 +427,6 @@ netbeans_parse_messages(void)
     }
 }
 
-/* TODO: remove */
-    void
-netbeans_read()
-{
-    if (nb_channel_idx >= 0)
-	channel_read(nb_channel_idx);
-}
-
 /*
  * Handle one NUL terminated command.
  *

src/proto/channel.pro

@@ -9,6 +9,7 @@ char_u *channel_get(int idx);
 int channel_collapse(int idx);
 void channel_clear(int idx);
 void channel_read(int idx);
+int channel_socket2idx(sock_T fd);
 void channel_send(int idx, char_u *buf, char *fun);
 int channel_poll_setup(int nfd_in, void *fds_in);
 int channel_poll_check(int ret_in, void *fds_in);

src/proto/netbeans.pro

@@ -1,6 +1,5 @@
 /* netbeans.c */
 void netbeans_parse_messages(void);
-void netbeans_read(void);
 int isNetbeansBuffer(buf_T *bufp);
 int isNetbeansModified(buf_T *bufp);
 void netbeans_end(void);

src/version.c

@@ -746,6 +746,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1187,
 /**/
     1186,
 /**/