updated for version 7.4b.019

Problem:    Tabline is not updated properly when closing a tab on Win32.
Solution:   Only reduce flickering when adding a tab. (Ken Takata)

Author: brammool

src/gui_w48.c

@@ -2459,6 +2459,7 @@ gui_mch_update_tabline(void)
     TCITEM	tie;
     int		nr = 0;
     int		curtabidx = 0;
+    int		tabadded = 0;
 #ifdef FEAT_MBYTE
     static int	use_unicode = FALSE;
     int		uu;
@@ -2499,6 +2500,7 @@ gui_mch_update_tabline(void)
 	    /* Add the tab */
 	    tie.pszText = "-Empty-";
 	    TabCtrl_InsertItem(s_tabhwnd, nr, &tie);
+	    tabadded = 1;
 	}
 
 	get_tabline_label(tp, FALSE);
@@ -2531,12 +2533,15 @@ gui_mch_update_tabline(void)
     while (nr < TabCtrl_GetItemCount(s_tabhwnd))
 	TabCtrl_DeleteItem(s_tabhwnd, nr);
 
+    if (!tabadded && TabCtrl_GetCurSel(s_tabhwnd) != curtabidx)
+	TabCtrl_SetCurSel(s_tabhwnd, curtabidx);
+
     /* Re-enable redraw and redraw. */
     SendMessage(s_tabhwnd, WM_SETREDRAW, (WPARAM)TRUE, 0);
     RedrawWindow(s_tabhwnd, NULL, NULL,
 		    RDW_ERASE | RDW_FRAME | RDW_INVALIDATE | RDW_ALLCHILDREN);
 
-    if (TabCtrl_GetCurSel(s_tabhwnd) != curtabidx)
+    if (tabadded && TabCtrl_GetCurSel(s_tabhwnd) != curtabidx)
 	TabCtrl_SetCurSel(s_tabhwnd, curtabidx);
 }
 

src/version.c

@@ -727,6 +727,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    19,
 /**/
     18,
 /**/