[1890] 2008-11-01 Carles Pina i Estany <address@hidden>

[Robert Millan]

Revision: 1890
          http://svn.sv.gnu.org/viewvc/?view=rev&root=grub&revision=1890
Author:   robertmh
Date:     2008-11-01 12:42:27 +0000 (Sat, 01 Nov 2008)

Log Message:
-----------
2008-11-01  Carles Pina i Estany  <address@hidden>

        * normal/menu.c (run_menu): Add Previous and Next Page keys in menu.

Modified Paths:
--------------
    trunk/grub2/ChangeLog
    trunk/grub2/normal/menu.c

Modified: trunk/grub2/ChangeLog
===================================================================
--- trunk/grub2/ChangeLog       2008-10-29 19:24:11 UTC (rev 1889)
+++ trunk/grub2/ChangeLog       2008-11-01 12:42:27 UTC (rev 1890)
@@ -1,3 +1,7 @@
+2008-11-01  Carles Pina i Estany  <address@hidden>
+
+       * normal/menu.c (run_menu): Add Previous and Next Page keys in menu.
+
 2008-10-29  Guillem Jover <address@hidden>
 
        * disk/lvm.c (grub_lvm_scan_device): Fix error recovery by delaying the

Modified: trunk/grub2/normal/menu.c
===================================================================
--- trunk/grub2/normal/menu.c   2008-10-29 19:24:11 UTC (rev 1889)
+++ trunk/grub2/normal/menu.c   2008-11-01 12:42:27 UTC (rev 1890)
@@ -457,6 +457,57 @@
                    }
                }
              break;
+           
+           case GRUB_TERM_PPAGE:
+             if (first == 0)
+               {
+                 offset = 0;
+               }
+             else
+               {
+                 first -= GRUB_TERM_NUM_ENTRIES;
+
+                 if (first < 0)
+                   {
+                     offset += first;
+                     first = 0;
+                   }
+               }
+             print_entries (menu, first, offset);
+             break;
+
+           case GRUB_TERM_NPAGE:
+             if (offset == 0)
+               {
+                 offset += GRUB_TERM_NUM_ENTRIES - 1;
+                 if (first + offset >= menu->size)
+                   {
+                     offset = menu->size - first - 1;
+                   }
+               }
+             else
+               {
+                 first += GRUB_TERM_NUM_ENTRIES;
+                       
+                 if (first + offset >= menu->size)
+                   {
+                     first -= GRUB_TERM_NUM_ENTRIES;
+                     offset += GRUB_TERM_NUM_ENTRIES;
+                     
+                     if (offset > menu->size - 1 ||
+                                    offset > GRUB_TERM_NUM_ENTRIES - 1)
+                       {
+                         offset = menu->size - first - 1;
+                       }
+                     if (offset > GRUB_TERM_NUM_ENTRIES)
+                       {
+                         first += offset - GRUB_TERM_NUM_ENTRIES + 1;
+                         offset = GRUB_TERM_NUM_ENTRIES - 1;
+                       }
+                   }
+               }
+             print_entries (menu, first, offset);
+             break;
              
            case '\n':
            case '\r':