ncurses 6.2 - patch 20210508

[ncurses.git] / menu / m_post.c

diff --git a/menu/m_post.c b/menu/m_post.c
index 2cc0ea09d5feb5c0445b93416f5e76355686e692..1dbd6b807bde8a673da7a2581e5f9f161a9db08c 100644 (file)
--- a/menu/m_post.c
+++ b/menu/m_post.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright 2020 Thomas E. Dickey                                          *
+ * Copyright 2020,2021 Thomas E. Dickey                                     *
  * Copyright 1998-2010,2012 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
@@ -38,7 +38,7 @@
 
 #include "menu.priv.h"
 
-MODULE_ID("$Id: m_post.c,v 1.32 2020/02/02 23:34:34 tom Exp $")
+MODULE_ID("$Id: m_post.c,v 1.36 2021/05/08 20:20:01 tom Exp $")
 
 /*---------------------------------------------------------------------------
 |   Facility      :  libnmenu
@@ -49,8 +49,8 @@ MODULE_ID("$Id: m_post.c,v 1.32 2020/02/02 23:34:34 tom Exp $")
 |
 |   Return Values :  -
 +--------------------------------------------------------------------------*/
-NCURSES_EXPORT(void)
-_nc_Post_Item(const MENU * menu, const ITEM * item)
+MENU_EXPORT(void)
+_nc_Post_Item(const MENU *menu, const ITEM *item)
 {
   int i;
   chtype ch;
@@ -58,7 +58,6 @@ _nc_Post_Item(const MENU * menu, const ITEM * item)
   int count = 0;
   bool isfore = FALSE, isback = FALSE, isgrey = FALSE;
   int name_len;
-  int desc_len;
 
   assert(menu->win);
 
@@ -132,6 +131,7 @@ _nc_Post_Item(const MENU * menu, const ITEM * item)
     {
       int m = menu->spc_desc / 2;
       int cy = -1, cx = -1;
+      int desc_len;
 
       for (ch = ' ', i = 0; i < menu->spc_desc; i++)
        {
@@ -197,11 +197,11 @@ _nc_Post_Item(const MENU * menu, const ITEM * item)
 |
 |   Return Values :  -
 +--------------------------------------------------------------------------*/
-NCURSES_EXPORT(void)
-_nc_Draw_Menu(const MENU * menu)
+MENU_EXPORT(void)
+_nc_Draw_Menu(const MENU *menu)
 {
   ITEM *item = menu->items[0];
-  ITEM *lasthor, *lastvert;
+  ITEM *lastvert;
   ITEM *hitem;
   int y = 0;
   chtype s_bkgd;
@@ -213,45 +213,50 @@ _nc_Draw_Menu(const MENU * menu)
   werase(menu->win);
   wbkgdset(menu->win, s_bkgd);
 
-  lastvert = (menu->opt & O_NONCYCLIC) ? (ITEM *) 0 : item;
+  lastvert = (menu->opt & O_NONCYCLIC) ? (ITEM *)0 : item;
 
-  do
+  if (item != NULL)
     {
-      wmove(menu->win, y, 0);
-
-      hitem = item;
-      lasthor = (menu->opt & O_NONCYCLIC) ? (ITEM *) 0 : hitem;
-
       do
        {
-         _nc_Post_Item(menu, hitem);
+         ITEM *lasthor;
 
-         wattron(menu->win, (int)menu->back);
-         if (((hitem = hitem->right) != lasthor) && hitem)
+         wmove(menu->win, y, 0);
+
+         hitem = item;
+         lasthor = (menu->opt & O_NONCYCLIC) ? (ITEM *)0 : hitem;
+
+         do
            {
-             int i, j, cy, cx;
-             chtype ch = ' ';
+             _nc_Post_Item(menu, hitem);
 
-             getyx(menu->win, cy, cx);
-             for (j = 0; j < menu->spc_rows; j++)
+             wattron(menu->win, (int)menu->back);
+             if (((hitem = hitem->right) != lasthor) && hitem)
                {
-                 wmove(menu->win, cy + j, cx);
-                 for (i = 0; i < menu->spc_cols; i++)
+                 int i, j, cy, cx;
+                 chtype ch = ' ';
+
+                 getyx(menu->win, cy, cx);
+                 for (j = 0; j < menu->spc_rows; j++)
                    {
-                     waddch(menu->win, ch);
+                     wmove(menu->win, cy + j, cx);
+                     for (i = 0; i < menu->spc_cols; i++)
+                       {
+                         waddch(menu->win, ch);
+                       }
                    }
+                 wmove(menu->win, cy, cx + menu->spc_cols);
                }
-             wmove(menu->win, cy, cx + menu->spc_cols);
            }
-       }
-      while (hitem && (hitem != lasthor));
-      wattroff(menu->win, (int)menu->back);
+         while (hitem && (hitem != lasthor));
+         wattroff(menu->win, (int)menu->back);
 
-      item = item->down;
-      y += menu->spc_rows;
+         item = item->down;
+         y += menu->spc_rows;
 
+       }
+      while (item && (item != lastvert));
     }
-  while (item && (item != lastvert));
 }
 
 /*---------------------------------------------------------------------------
@@ -267,8 +272,8 @@ _nc_Draw_Menu(const MENU * menu)
 |                    E_BAD_STATE         - Menu in userexit routine
 |                    E_POSTED            - Menu already posted
 +--------------------------------------------------------------------------*/
-NCURSES_EXPORT(int)
-post_menu(MENU * menu)
+MENU_EXPORT(int)
+post_menu(MENU *menu)
 {
   T((T_CALLED("post_menu(%p)"), (void *)menu));
 
@@ -283,7 +288,6 @@ post_menu(MENU * menu)
 
   if (menu->items && *(menu->items))
     {
-      int y;
       int h = 1 + menu->spc_rows * (menu->rows - 1);
 
       WINDOW *win = Get_Menu_Window(menu);
@@ -291,7 +295,8 @@ post_menu(MENU * menu)
 
       if ((menu->win = newpad(h, menu->width)))
        {
-         y = (maxy >= h) ? h : maxy;
+         int y = (maxy >= h) ? h : maxy;
+
          if (y >= menu->height)
            y = menu->height;
          if (!(menu->sub = subpad(menu->win, y, menu->width, 0, 0)))
@@ -339,8 +344,8 @@ post_menu(MENU * menu)
 |                    E_BAD_STATE       - menu in userexit routine
 |                    E_NOT_POSTED      - menu is not posted
 +--------------------------------------------------------------------------*/
-NCURSES_EXPORT(int)
-unpost_menu(MENU * menu)
+MENU_EXPORT(int)
+unpost_menu(MENU *menu)
 {
   WINDOW *win;