Highlight moving meters in a different color.

ColumnsPanel.c

@@ -54,6 +54,7 @@ static HandlerResult ColumnsPanel_eventHandler(Panel* super, int ch) {
       {
          if (selected < size - 1) {
             this->moving = !(this->moving);
+            Panel_setSelectionColor(super, this->moving ? CRT_colors[PANEL_SELECTION_FOLLOW] : CRT_colors[PANEL_SELECTION_FOCUS]);
             ((ListItem*)Panel_getSelected(super))->moving = this->moving;
             result = HANDLED;
          }

MetersPanel.c

@@ -9,6 +9,7 @@ in the source distribution for its full text.
 
 #include <stdlib.h>
 #include <assert.h>
+#include "CRT.h"
 
 /*{
 #include "Panel.h"
@@ -51,8 +52,10 @@ void MetersPanel_setMoving(MetersPanel* this, bool moving) {
    this->moving = moving;
    ((ListItem*)Panel_getSelected(super))->moving = moving;
    if (!moving) {
+      Panel_setSelectionColor(super, CRT_colors[PANEL_SELECTION_FOCUS]);
       Panel_setDefaultBar(super);
    } else {
+      Panel_setSelectionColor(super, CRT_colors[PANEL_SELECTION_FOLLOW]);
       super->currentBar = Meters_movingBar;
    }
 }