Resizing detection and manual handling for Windows

diff --git a/win32/pdckbd.c b/win32/pdckbd.c
index 9d4f73c..f4ca7c2 100644
--- a/win32/pdckbd.c
+++ b/win32/pdckbd.c
@@ -606,6 +606,8 @@ int PDC_get_key(void)
             key_count = 1;
         else if (save_ip.EventType == KEY_EVENT)
             key_count = _get_key_count();
+        else if (save_ip.EventType == WINDOW_BUFFER_SIZE_EVENT)
+            key_count = 1;
     }
 
     if (key_count)
@@ -619,6 +621,33 @@ int PDC_get_key(void)
 
         case MOUSE_EVENT:
             return _process_mouse_event();
+
+        case WINDOW_BUFFER_SIZE_EVENT:
+            if (save_ip.Event.WindowBufferSizeEvent.dwSize.Y != LINES ||
+                save_ip.Event.WindowBufferSizeEvent.dwSize.X != COLS)
+            {
+                INPUT_RECORD ip;
+                DWORD count;
+                bool have_click = FALSE;
+
+                /* Drain whole sequence of resize events. */
+                while (PeekConsoleInput(pdc_con_in, &ip, 1, &count) &&
+                       count == 1 && ip.EventType == WINDOW_BUFFER_SIZE_EVENT)
+                {
+                    ReadConsoleInput(pdc_con_in, &ip, 1, &count);
+                    if(event_count > 0)
+                    {
+                        --event_count;
+                    }
+                }
+
+                if (!SP->resized)
+                {
+                    SP->resized = TRUE;
+                    return KEY_RESIZE;
+                }
+            }
+            break;
         }
     }
 
@@ -638,12 +667,12 @@ void PDC_flushinp(void)
 int PDC_mouse_set(void)
 {
     /* If turning on mouse input: Set ENABLE_MOUSE_INPUT, and clear 
-       all other flags, including the extended flags;
+       all other flags except window resize event, including the extended flags;
        If turning off the mouse: Set QuickEdit Mode to the status it 
-       had on startup, and clear all other flags */
+       had on startup, and clear all other flags but window resize event */
 
-    SetConsoleMode(pdc_con_in, SP->_trap_mbe ?
-                   (ENABLE_MOUSE_INPUT|0x0080) : (pdc_quick_edit|0x0080));
+    SetConsoleMode(pdc_con_in, ENABLE_WINDOW_INPUT | (SP->_trap_mbe ?
+                   (ENABLE_MOUSE_INPUT|0x0080) : (pdc_quick_edit|0x0080)));
 
     memset(&old_mouse_status, 0, sizeof(old_mouse_status));
 
diff --git a/win32/pdcscrn.c b/win32/pdcscrn.c
index 4d9ce51..05d8410 100644
--- a/win32/pdcscrn.c
+++ b/win32/pdcscrn.c
@@ -468,6 +468,17 @@ int PDC_resize_screen(int nlines, int ncols)
     SMALL_RECT rect;
     COORD size, max;
 
+    /* Treat this combination as a request to resize to window size.  Note that
+     * this is window size, not screen buffer size, thus scrolling won't be
+     * available. */
+    if (nlines == 0 && ncols == 0)
+    {
+        CONSOLE_SCREEN_BUFFER_INFO csbi;
+        GetConsoleScreenBufferInfo(pdc_con_out, &csbi);
+        nlines = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
+        ncols = csbi.srWindow.Right - csbi.srWindow.Left + 1;
+    }
+
     if (nlines < 2 || ncols < 2)
         return ERR;
 
@@ -493,6 +504,7 @@ int PDC_resize_screen(int nlines, int ncols)
     SetConsoleScreenBufferSize(pdc_con_out, size);
     SetConsoleActiveScreenBuffer(pdc_con_out);
 
+    SP->resized = FALSE;
     return OK;
 }