From 8440c7a07823f8e405f03779b658f06808525081 Mon Sep 17 00:00:00 2001 From: Pietro Gagliardi Date: Tue, 25 Feb 2014 15:38:04 -0500 Subject: Added Space() for padding layouts. --- stack.go | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'stack.go') diff --git a/stack.go b/stack.go index fd3a61a..8f8808a 100644 --- a/stack.go +++ b/stack.go @@ -16,6 +16,7 @@ const ( // A Stack stacks controls horizontally or vertically within the Stack's parent. // A horizontal Stack gives all controls the same height and their preferred widths. // A vertical Stack gives all controls the same width and their preferred heights. +// Any extra space at the end of a Stack is left blank. // Some controls may be marked as "stretchy": when the Window they are in changes size, stretchy controls resize to take up the remaining space after non-stretchy controls are laid out. If multiple controls are marked stretchy, they are alloted equal distribution of the remaining space. type Stack struct { lock sync.Mutex @@ -162,3 +163,10 @@ func (s *Stack) preferredSize() (width int, height int, err error) { } return } + +// Space() returns a null control intended for padding layouts with blank space where otherwise impossible (for instance, at the beginning or in the middle of a Stack). +// In order for Space() to work, it must be marked as stretchy in its parent layout; otherwise its size is undefined. +func Space() Control { + // As above, a stack with no controls draws nothing and reports no errors; its parent will still size it properly. + return NewStack(Horizontal) +} -- cgit v1.2.3