core.Tabs.NewTab returns the tab, to allow for customization

canvas/canvas.go

@@ -122,12 +122,12 @@ func (cv *Canvas) Init() {
 			})
 			tree.AddChildAt(w, "tabs", func(w *core.Tabs) {
 				w.SetType(core.FunctionalTabs)
-				pt := w.NewTab("Paint")
+				pt, _ := w.NewTab("Paint")
 				NewPaintView(pt).SetCanvas(cv)
-				at := w.NewTab("Align")
+				at, _ := w.NewTab("Align")
 				NewAlignView(at).SetCanvas(cv)
 				cv.EditState.Text.Defaults()
-				tt := w.NewTab("Text")
+				tt, _ := w.NewTab("Text")
 				core.NewForm(tt).SetStruct(&cv.EditState.Text)
 			})
 		})

clock/clock.go

@@ -26,7 +26,7 @@ func main() {
 }
 
 func clock(ts *core.Tabs) {
-	cl := ts.NewTab("Clock")
+	cl, _ := ts.NewTab("Clock")
 	cl.Styler(func(s *styles.Style) {
 		s.CenterAll()
 	})
@@ -41,19 +41,19 @@ type timer struct {
 }
 
 func timers(ts *core.Tabs) {
-	tr := ts.NewTab("Timers")
+	tr, _ := ts.NewTab("Timers")
 	trd := 15 * time.Minute
 	trv := core.NewValue(&trd, "")
 	tr.AddChild(trv)
 	core.NewButton(tr).SetText("Start")
 }
 
 func stopwatches(ts *core.Tabs) {
-	sw := ts.NewTab("Stopwatches")
+	sw, _ := ts.NewTab("Stopwatches")
 	core.NewButton(sw).SetText("Start")
 }
 
 func alarms(ts *core.Tabs) {
-	al := ts.NewTab("Alarms")
+	al, _ := ts.NewTab("Alarms")
 	core.NewButton(al).SetText("Create")
 }

code/debugpanel.go

@@ -137,7 +137,8 @@ func (dv *DebugPanel) InitTabs() {
 	if w.NumTabs() > 0 {
 		return
 	}
-	ctv := texteditor.NewEditor(w.NewTab(DebugTabConsole))
+	dtab, _ := w.NewTab(DebugTabConsole)
+	ctv := texteditor.NewEditor(dtab)
 	ctv.SetName("dbg-console")
 	ConfigOutputTextEditor(ctv)
 	dv.State.BlankState()
@@ -147,7 +148,7 @@ func (dv *DebugPanel) InitTabs() {
 	dv.OutputBuffer.Options.LineNumbers = false
 	ctv.SetBuffer(dv.OutputBuffer)
 
-	bv := w.NewTab(DebugTabBreaks)
+	bv, _ := w.NewTab(DebugTabBreaks)
 	tree.AddChild(bv, func(w *core.Table) {
 		w.SetSlice(&dv.State.Breaks)
 		w.OnDoubleClick(func(e events.Event) {
@@ -168,7 +169,7 @@ func (dv *DebugPanel) InitTabs() {
 		})
 	})
 
-	sv := w.NewTab(DebugTabStack)
+	sv, _ := w.NewTab(DebugTabStack)
 	tree.AddChild(sv, func(w *core.Table) {
 		w.SetReadOnly(true)
 		w.SetSlice(&dv.State.Stack)
@@ -181,7 +182,7 @@ func (dv *DebugPanel) InitTabs() {
 	})
 
 	if dv.Known == fileinfo.Go { // dv.Dbg.HasTasks() { // todo: not avail here yet
-		tv := w.NewTab(DebugTabTasks)
+		tv, _ := w.NewTab(DebugTabTasks)
 		tree.AddChild(tv, func(w *core.Table) {
 			w.SetReadOnly(true)
 			w.SetSlice(&dv.State.Tasks)
@@ -199,7 +200,7 @@ func (dv *DebugPanel) InitTabs() {
 		})
 	}
 
-	tv := w.NewTab(DebugTabThreads)
+	tv, _ := w.NewTab(DebugTabThreads)
 	tree.AddChild(tv, func(w *core.Table) {
 		w.SetReadOnly(true)
 		w.SetSlice(&dv.State.Threads)
@@ -216,7 +217,7 @@ func (dv *DebugPanel) InitTabs() {
 		})
 	})
 
-	vv := w.NewTab(DebugTabVars)
+	vv, _ := w.NewTab(DebugTabVars)
 	tree.AddChild(vv, func(w *core.Table) {
 		w.SetReadOnly(true)
 		w.SetSlice(&dv.State.Vars)
@@ -226,7 +227,7 @@ func (dv *DebugPanel) InitTabs() {
 		})
 	})
 
-	ff := w.NewTab(DebugTabFrames)
+	ff, _ := w.NewTab(DebugTabFrames)
 	tree.AddChild(ff, func(w *core.Table) {
 		w.SetReadOnly(true)
 		w.SetSlice(&dv.State.FindFrames)
@@ -239,7 +240,7 @@ func (dv *DebugPanel) InitTabs() {
 		})
 	})
 
-	gv := w.NewTab(DebugTabGlobals)
+	gv, _ := w.NewTab(DebugTabGlobals)
 	tree.AddChild(gv, func(w *core.Table) {
 		w.SetReadOnly(true)
 		w.SetSlice(&dv.State.GlobalVars)

code/piv/piview.go

@@ -617,7 +617,7 @@ func (pv *PiView) RecycleMainTab(label string, typ reflect.Type, sel bool) core.
 		}
 		return widg
 	}
-	widg = tv.NewTab(typ, label)
+	widg, _ = tv.NewTab(typ, label)
 	if sel {
 		tv.SelectTabByName(label)
 	}

go.mod

@@ -3,7 +3,7 @@ module cogentcore.org/cogent
 go 1.22
 
 require (
-	cogentcore.org/core v0.3.3-0.20240822231726-6385e4c9fc1f
+	cogentcore.org/core v0.3.3-0.20240825182959-fe4840922a21
 	github.com/aandrew-me/tgpt/v2 v2.7.2
 	github.com/alecthomas/chroma/v2 v2.13.0
 	github.com/bogdanfinn/fhttp v0.5.27

go.sum

@@ -1,5 +1,5 @@
-cogentcore.org/core v0.3.3-0.20240822231726-6385e4c9fc1f h1:ia/D6kJ5nhFzyYyRZHe7LmXTPpIh+dDO+Jm8GQzUmGQ=
-cogentcore.org/core v0.3.3-0.20240822231726-6385e4c9fc1f/go.mod h1:dg3uRsPcd8S1ZYvRD2TztCtjopRkrB5V/lbl54xsQd4=
+cogentcore.org/core v0.3.3-0.20240825182959-fe4840922a21 h1:tffR0tewNHVE36GpZE7ZjTSE4KYoRfbdeL9btV8UmbU=
+cogentcore.org/core v0.3.3-0.20240825182959-fe4840922a21/go.mod h1:dg3uRsPcd8S1ZYvRD2TztCtjopRkrB5V/lbl54xsQd4=
 github.com/Bios-Marcel/wastebasket v0.0.4-0.20240213135800-f26f1ae0a7c4 h1:6lx9xzJAhdjq0LvVfbITeC3IH9Fzvo1aBahyPu2FuG8=
 github.com/Bios-Marcel/wastebasket v0.0.4-0.20240213135800-f26f1ae0a7c4/go.mod h1:FChzXi1izqzdPb6BiNZmcZLGyTYiT61iGx9Rxx9GNeI=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=

numbers/cmd/numbers/numbers.go

@@ -96,10 +96,10 @@ func Interactive(c *Config) error {
 
 	ts := core.NewTabs(b)
 
-	db := ts.NewTab("Data browser")
+	db, _ := ts.NewTab("Data browser")
 	core.NewText(db).SetType(core.TextTitleLarge).SetText("Use your terminal to enter data browser commands.")
 
-	rt := ts.NewTab("Random")
+	rt, _ := ts.NewTab("Random")
 	tb := core.NewToolbar(rt)
 	rd := random.NewRandom(rt)
 	tb.Maker(rd.MakeToolbar)