diff options
| -rw-r--r-- | lib/ui/tab.go | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/lib/ui/tab.go b/lib/ui/tab.go index f18b0ac2..8f089789 100644 --- a/lib/ui/tab.go +++ b/lib/ui/tab.go @@ -40,14 +40,13 @@ func (tabs *Tabs) Add(content Drawable, name string) { } func (tabs *Tabs) invalidateChild(d Drawable) { - for i, tab := range tabs.Tabs { - if tab.Content == d { - if i == tabs.Selected { - if tabs.onInvalidateContent != nil { - tabs.onInvalidateContent(tabs.TabContent) - } - } - return + if tabs.Selected >= len(tabs.Tabs) { + return + } + + if tabs.Tabs[tabs.Selected].Content == d { + if tabs.onInvalidateContent != nil { + tabs.onInvalidateContent(tabs.TabContent) } } } @@ -59,10 +58,18 @@ func (tabs *Tabs) Remove(content Drawable) { break } } + /* Force the selected index into the existing range */ + if tabs.Selected >= len(tabs.Tabs) { + tabs.Select(len(tabs.Tabs) - 1) + } tabs.TabStrip.Invalidate() } func (tabs *Tabs) Select(index int) { + if tabs.Selected >= len(tabs.Tabs) { + panic("Tried to set tab index to a non-existing element") + } + if tabs.Selected != index { tabs.Selected = index tabs.TabStrip.Invalidate() @@ -101,6 +108,12 @@ func (strip *TabStrip) OnInvalidate(onInvalidate func(d Drawable)) { } func (content *TabContent) Draw(ctx *Context) { + if content.Selected >= len(content.Tabs) { + width := ctx.Width() + height := ctx.Height() + ctx.Fill(0, 0, width, height, ' ', tcell.StyleDefault) + } + tab := content.Tabs[content.Selected] tab.Content.Draw(ctx) } |