3 files changed, 36 insertions, 0 deletions
diff --git a/lib/ui/interfaces.go b/lib/ui/interfaces.go
index 0cdffc1e..9008ea72 100644
--- a/lib/ui/interfaces.go
+++ b/lib/ui/interfaces.go
@@ -40,3 +40,10 @@ type Container interface {
 	// recurse into your grandchildren).
 	Children() []Drawable
 }
+
+// A drawable that can be clicked
+type Clickable interface {
+	Drawable
+
+	MouseEvent(event tcell.Event)
+}
diff --git a/lib/ui/tab.go b/lib/ui/tab.go
index 61d544ad..00614723 100644
--- a/lib/ui/tab.go
+++ b/lib/ui/tab.go
@@ -126,6 +126,19 @@ func (tabs *Tabs) removeHistory(index int) {
 	tabs.history = newHist
 }
 
+func (tabs *Tabs) MouseEvent(event tcell.Event) {
+	switch event := event.(type) {
+	case *tcell.EventMouse:
+		if event.Buttons()&tcell.Button1 != 0 {
+			x, y := event.Position()
+			selectedTab, ok := tabs.TabStrip.Clicked(x, y)
+			if ok {
+				tabs.Select(selectedTab)
+			}
+		}
+	}
+}
+
 // TODO: Color repository
 func (strip *TabStrip) Draw(ctx *Context) {
 	x := 0
@@ -151,6 +164,21 @@ func (strip *TabStrip) OnInvalidate(onInvalidate func(d Drawable)) {
 	strip.onInvalidateStrip = onInvalidate
 }
 
+func (strip *TabStrip) Clicked(mouseX int, mouseY int) (int, bool) {
+	x := 0
+	if mouseY == 0 {
+		for i, tab := range strip.Tabs {
+			trunc := runewidth.Truncate(tab.Name, 32, "…")
+			length := len(trunc) + 2
+			if x <= mouseX && mouseX < x+length {
+				return i, true
+			}
+			x += length
+		}
+	}
+	return 0, false
+}
+
 func (content *TabContent) Children() []Drawable {
 	children := make([]Drawable, len(content.Tabs))
 	for i, tab := range content.Tabs {
diff --git a/lib/ui/ui.go b/lib/ui/ui.go
index f04d3d8a..b0578852 100644
--- a/lib/ui/ui.go
+++ b/lib/ui/ui.go
@@ -32,6 +32,7 @@ func Initialize(conf *config.AercConfig,
 
 	screen.Clear()
 	screen.HideCursor()
+	screen.EnableMouse()
 
 	width, height := screen.Size()