ignore enter, delete and space on empty panel

htop-dev · Jun 15, 2015 · b796362 · b796362
1 parent abe165f
commit b796362
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/MetersPanel.c b/MetersPanel.c
@@ -76,6 +76,8 @@ static HandlerResult MetersPanel_eventHandler(Panel* super, int ch) {
  case 0x0d:
  case KEY_ENTER:
  {
+ if (!Vector_size(this->meters))
+ break;
  this->moving = !(this->moving);
  ((ListItem*)Panel_getSelected(super))->moving = this->moving;
  result = HANDLED;
@@ -85,6 +87,8 @@ static HandlerResult MetersPanel_eventHandler(Panel* super, int ch) {
  case KEY_F(4):
  case 't':
  {
+ if (!Vector_size(this->meters))
+ break;
  Meter* meter = (Meter*) Vector_get(this->meters, selected);
  int mode = meter->mode + 1;
  if (mode == LAST_METERMODE) mode = 1;
@@ -147,6 +151,8 @@ static HandlerResult MetersPanel_eventHandler(Panel* super, int ch) {
  case KEY_F(9):
  case KEY_DC:
  {
+ if (!Vector_size(this->meters))
+ break;
  if (selected < Vector_size(this->meters)) {
  Vector_remove(this->meters, selected);
  Panel_remove(super, selected);