Support mouse-autoselect-window on w32 text-mode terminals.

 src/w32inevt.c (do_mouse_event): Support mouse-autoselect-window.

src/ChangeLog

+2012-05-26  Eli Zaretskii  <eliz@gnu.org>
+
+	* w32inevt.c (do_mouse_event): Support mouse-autoselect-window.
+
 2012-05-26  Eli Zaretskii  <eliz@gnu.org>
 
 	Refactor mouse highlight invocation for w32 console.

src/w32inevt.c

@@ -35,6 +35,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include "keyboard.h"
 #include "frame.h"
 #include "dispextern.h"
+#include "window.h"
 #include "blockinput.h"
 #include "termhooks.h"
 #include "termchar.h"
@@ -600,6 +601,7 @@ do_mouse_event (MOUSE_EVENT_RECORD *event,
 		struct input_event *emacs_ev)
 {
   static DWORD button_state = 0;
+  static Lisp_Object last_mouse_window;
   DWORD but_change, mask;
   int i;
 
@@ -607,8 +609,9 @@ do_mouse_event (MOUSE_EVENT_RECORD *event,
     {
       FRAME_PTR f = SELECTED_FRAME ();
       Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
+      int mx = event->dwMousePosition.X, my = event->dwMousePosition.Y;
 
-      mouse_moved_to (event->dwMousePosition.X, event->dwMousePosition.Y);
+      mouse_moved_to (mx, my);
 
       if (f->mouse_moved)
 	{
@@ -618,8 +621,34 @@ do_mouse_event (MOUSE_EVENT_RECORD *event,
 	      clear_mouse_face (hlinfo);
 	    }
 
-	  note_mouse_highlight (f, event->dwMousePosition.X,
-				event->dwMousePosition.Y);
+	  note_mouse_highlight (f, mx, my);
+
+	  /* Generate SELECT_WINDOW_EVENTs when needed.  */
+	  if (!NILP (Vmouse_autoselect_window))
+	    {
+	      Lisp_Object mouse_window = window_from_coordinates (f, mx, my,
+								  0, 0);
+	      /* A window will be selected only when it is not
+		 selected now, and the last mouse movement event was
+		 not in it.  A minibuffer window will be selected iff
+		 it is active.  */
+	      if (WINDOWP (mouse_window)
+		  && !EQ (mouse_window, last_mouse_window)
+		  && !EQ (mouse_window, selected_window))
+		{
+		  struct input_event event;
+
+		  EVENT_INIT (event);
+		  event.kind = SELECT_WINDOW_EVENT;
+		  event.frame_or_window = mouse_window;
+		  event.arg = Qnil;
+		  event.timestamp = movement_time;
+		  kbd_buffer_store_event (&event);
+		}
+	      last_mouse_window = mouse_window;
+	    }
+	  else
+	    last_mouse_window = Qnil;
 	}
       return 0;
     }