browse: never leave blank space above

Having blank space above the display looks
ugly, so if some appears, refresh to remove it.
Also get 'control-L' to recenter as well as refresh.

Signed-off-by: NeilBrown <neilb@suse.de>

diff --git a/vpatch.c b/vpatch.c
index 9873d480a6db72e9bb47fad7b14456923d464361..5ef027af9ade52a1484682db069ec7ca44252a03 100644 (file)
--- a/vpatch.c
+++ b/vpatch.c
@@ -1124,7 +1124,7 @@ void merge_window(struct plist *p, FILE *f, int reverse)
        struct mpos pos;
        struct mpos tpos, toppos, botpos;
        struct mpos vpos, tvpos;
-       int toprow = 0,botrow = 0;
+       int botrow = 0;
        int meta = 0, tmeta;
        int num= -1, tnum;
        char search[80];
@@ -1250,7 +1250,12 @@ void merge_window(struct plist *p, FILE *f, int reverse)
                                           tpos, 0, NULL);
 
                        }
-                       toppos = tpos; toprow = i;
+                       if (i) {
+                               row -= (i+1);
+                               refresh = 1;
+                               goto retry;
+                       }
+                       toppos = tpos;
                        while (i >= 1)
                                blank(i--, 0, cols, a_void);
                        tpos = pos;
@@ -1402,7 +1407,7 @@ void merge_window(struct plist *p, FILE *f, int reverse)
                        break;
                case 'L'-64:
                        refresh = 2;
-                       if (toprow >= 1) row -= (toprow+1);
+                       row = rows / 2;
                        break;
 
                case 'V'-64: /* page down */
@@ -1415,10 +1420,7 @@ void merge_window(struct plist *p, FILE *f, int reverse)
                        break;
                case META('v'): /* page up */
                        pos = toppos;
-                       if (toprow >= 1)
-                               row = toprow+1;
-                       else
-                               row = rows-2;
+                       row = rows-2;
                        refresh = 1;
                        break;