Patch 8.1.1587
Problem:    Redraw problem when sign icons in the number column.
Solution:   Clear and redraw when changing related options.  Right aligh the
            sign icon in the GUI. (Yegappan Lakshmanan, closes #4578)
Files:      src/gui.c, src/option.c


*** ../vim-8.1.1586/src/gui.c   2019-06-19 16:31:18.030746609 +0200
--- src/gui.c   2019-06-24 05:42:09.678246287 +0200
***************
*** 2253,2258 ****
--- 2253,2259 ----
      int               col = gui.col;
  #ifdef FEAT_SIGN_ICONS
      int               draw_sign = FALSE;
+     int               signcol = 0;
      char_u    extra[18];
  # ifdef FEAT_NETBEANS_INTG
      int               multi_sign = FALSE;
***************
*** 2287,2292 ****
--- 2288,2295 ----
        if (len == 1 && col > 0)
            --col;
        len = (int)STRLEN(s);
+       if (len > 2)
+           signcol = len - 3;  // Right align sign icon in the number column
        draw_sign = TRUE;
        highlight_mask = 0;
      }
***************
*** 2612,2618 ****
  #ifdef FEAT_SIGN_ICONS
      if (draw_sign)
        /* Draw the sign on top of the spaces. */
!       gui_mch_drawsign(gui.row, col, gui.highlight_mask);
  # if defined(FEAT_NETBEANS_INTG) && (defined(FEAT_GUI_X11) \
        || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_MSWIN))
      if (multi_sign)
--- 2615,2621 ----
  #ifdef FEAT_SIGN_ICONS
      if (draw_sign)
        /* Draw the sign on top of the spaces. */
!       gui_mch_drawsign(gui.row, signcol, gui.highlight_mask);
  # if defined(FEAT_NETBEANS_INTG) && (defined(FEAT_GUI_X11) \
        || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_MSWIN))
      if (multi_sign)
*** ../vim-8.1.1586/src/option.c        2019-06-17 21:48:02.215646277 +0200
--- src/option.c        2019-06-24 05:42:09.678246287 +0200
***************
*** 1985,1991 ****
                            (char_u *)&p_nf, PV_NF,
                            {(char_u *)"bin,octal,hex", (char_u *)0L}
                            SCTX_INIT},
!     {"number",            "nu",   P_BOOL|P_VI_DEF|P_RWIN,
                            (char_u *)VAR_WIN, PV_NU,
                            {(char_u *)FALSE, (char_u *)0L} SCTX_INIT},
      {"numberwidth", "nuw",  P_NUM|P_RWIN|P_VIM,
--- 1985,1991 ----
                            (char_u *)&p_nf, PV_NF,
                            {(char_u *)"bin,octal,hex", (char_u *)0L}
                            SCTX_INIT},
!     {"number",            "nu",   P_BOOL|P_VI_DEF|P_RCLR,
                            (char_u *)VAR_WIN, PV_NU,
                            {(char_u *)FALSE, (char_u *)0L} SCTX_INIT},
      {"numberwidth", "nuw",  P_NUM|P_RWIN|P_VIM,
***************
*** 2252,2258 ****
      {"regexpengine", "re",  P_NUM|P_VI_DEF,
                            (char_u *)&p_re, PV_NONE,
                            {(char_u *)0L, (char_u *)0L} SCTX_INIT},
!     {"relativenumber", "rnu", P_BOOL|P_VI_DEF|P_RWIN,
                            (char_u *)VAR_WIN, PV_RNU,
                            {(char_u *)FALSE, (char_u *)0L} SCTX_INIT},
      {"remap",     NULL,   P_BOOL|P_VI_DEF,
--- 2252,2258 ----
      {"regexpengine", "re",  P_NUM|P_VI_DEF,
                            (char_u *)&p_re, PV_NONE,
                            {(char_u *)0L, (char_u *)0L} SCTX_INIT},
!     {"relativenumber", "rnu", P_BOOL|P_VI_DEF|P_RCLR,
                            (char_u *)VAR_WIN, PV_RNU,
                            {(char_u *)FALSE, (char_u *)0L} SCTX_INIT},
      {"remap",     NULL,   P_BOOL|P_VI_DEF,
***************
*** 2497,2503 ****
      {"sidescrolloff", "siso", P_NUM|P_VI_DEF|P_VIM|P_RBUF,
                            (char_u *)&p_siso, PV_SISO,
                            {(char_u *)0L, (char_u *)0L} SCTX_INIT},
!     {"signcolumn",   "scl",  P_STRING|P_ALLOCED|P_VI_DEF|P_RWIN,
  #ifdef FEAT_SIGNS
                            (char_u *)VAR_WIN, PV_SCL,
                            {(char_u *)"auto", (char_u *)0L}
--- 2497,2503 ----
      {"sidescrolloff", "siso", P_NUM|P_VI_DEF|P_VIM|P_RBUF,
                            (char_u *)&p_siso, PV_SISO,
                            {(char_u *)0L, (char_u *)0L} SCTX_INIT},
!     {"signcolumn",   "scl",  P_STRING|P_ALLOCED|P_VI_DEF|P_RCLR,
  #ifdef FEAT_SIGNS
                            (char_u *)VAR_WIN, PV_SCL,
                            {(char_u *)"auto", (char_u *)0L}
*** ../vim-8.1.1586/src/version.c       2019-06-24 05:06:30.705124234 +0200
--- src/version.c       2019-06-24 05:44:29.757754945 +0200
***************
*** 779,780 ****
--- 779,782 ----
  {   /* Add new patch number below this line */
+ /**/
+     1587,
  /**/

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