@@ -133,6 +133,7 @@ var knobsClass = {

         # id: the id of the window

         var (id, selected) = split('-', me.device.windows.selected);

         var state = me.device.windows.state[id];

+        d *= state.scroll.rows;

         selected += state.scroll.offset;

         # foreach object, beginning at the selected object, offset applied

         for (var i = selected + d; i >= 0 and i < size(state.objects); i += d) {

@@ -166,9 +167,11 @@ var knobsClass = {

     },

     _navigatemenu_scrolldown : func (state, id, i) {

-        state.scroll.upper = state.objects[i].scrollgroup - state.scroll.lines + 1;

+        state.scroll.upper = state.objects[i].scrollgroup - state.scroll.lines + state.scroll.rows;

         state.scroll.lower = state.objects[i].scrollgroup;

         state.scroll.offset = state.scroll.upper * state.scroll.columns;

+        if (state.scroll.rows > 1 and i - state.scroll.offset > state.scroll.lines * state.scroll.columns * state.scroll.rows)

+            state.scroll.offset = i - state.scroll.lines * state.scroll.columns * state.scroll.rows;

         # foreach canvas object in the scrolling area

         for (var l = state.scroll.begin; l <= state.scroll.end; l += 1) {

@@ -180,8 +183,15 @@ var knobsClass = {

     _navigatemenu_scrollup : func (state, id, i) {

         state.scroll.upper = state.objects[i].scrollgroup;

-        state.scroll.lower = state.objects[i].scrollgroup + state.scroll.lines - 1;

-        state.scroll.offset = state.scroll.upper * state.scroll.columns;

+        state.scroll.lower = state.objects[i].scrollgroup + state.scroll.lines - state.scroll.rows;

+        state.scroll.offset = state.scroll.upper * state.scroll.columns * state.scroll.rows;

+        if (state.scroll.rows > 1 and i == state.scroll.offset) {

+            state.scroll.offset -= state.scroll.columns * state.scroll.rows;

+            if (state.scroll.offset < state.scroll.begin) {

+                state.scroll.offset = state.scroll.begin;

+                return;

+            }

+        }

         # foreach canvas object in the scrolling area

         for (var l = state.scroll.begin; l <= state.scroll.end; l += 1) {

@@ -90,6 +90,7 @@ var pageClass = {

             lower: 9999,          # group printed at the bottom of the scrolling area

             lines : scroll != nil ? scroll.lines : 0, # number of lines for the scrolling area

             columns : scroll != nil ? scroll.columns : 0, # number of objects on each scrolling lines

+            rows : scroll != nil and contains(scroll, 'rows') ? scroll.rows : 1,

         };

         var scrollgroup = {};

         forindex (var line; state.objects) {