diff options
Diffstat (limited to 'stack.go')
| -rw-r--r-- | stack.go | 7 |
1 files changed, 5 insertions, 2 deletions
@@ -48,7 +48,7 @@ func NewVerticalStack(controls ...Control) *Stack { } // SetStretchy marks a control in a Stack as stretchy. This cannot be called once the Window containing the Stack has been opened. -// (TODO action on invalid index) +// It panics if index is out of range. func (s *Stack) SetStretchy(index int) { s.lock.Lock() defer s.lock.Unlock() @@ -56,7 +56,10 @@ func (s *Stack) SetStretchy(index int) { if s.created { panic("call to Stack.SetStretchy() after Stack has been created") } - s.stretchy[index] = true // TODO explicitly check for index out of bounds? + if index < 0 || index > len(s.stretchy) { + panic(fmt.Errorf("index %d out of range in Stack.SetStretchy()", index)) + } + s.stretchy[index] = true } func (s *Stack) make(window *sysData) error { |