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path: root/lib/ui/tab.go
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Diffstat (limited to 'lib/ui/tab.go')
-rw-r--r--lib/ui/tab.go29
1 files changed, 21 insertions, 8 deletions
diff --git a/lib/ui/tab.go b/lib/ui/tab.go
index f18b0ac..8f08978 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)
}