[1890] 2008-11-01 Carles Pina i Estany <[email protected]>

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  <[email protected]>

        * 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  <[email protected]>
+
+	* normal/menu.c (run_menu): Add Previous and Next Page keys in menu.
+
 2008-10-29  Guillem Jover <[email protected]>
 
 	* 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':