diff --git a/7gui/counter/main.go b/7gui/counter/main.go
index 9e4563b..b09e872 100644
--- a/7gui/counter/main.go
+++ b/7gui/counter/main.go
@@ -82,13 +82,8 @@ func (ui *UI) Run(w *app.Window) error {
 			event.Op(gtx.Ops, w)
 
 			// check for presses of the escape key and close the window if we find them.
-			for {
-				event, ok := gtx.Event(key.Filter{
-					Name: key.NameEscape,
-				})
-				if !ok {
-					break
-				}
+
+			for event := range gtx.Events(key.Filter{Name: key.NameEscape}) {
 				switch event := event.(type) {
 				case key.Event:
 					if event.Name == key.NameEscape {
@@ -96,6 +91,7 @@ func (ui *UI) Run(w *app.Window) error {
 					}
 				}
 			}
+
 			// render and handle UI.
 			ui.Layout(gtx)
 			area.Pop()
diff --git a/7gui/temperature/main.go b/7gui/temperature/main.go
index fec32ff..f77e932 100644
--- a/7gui/temperature/main.go
+++ b/7gui/temperature/main.go
@@ -85,11 +85,8 @@ func (ui *UI) Run(w *app.Window) error {
 			event.Op(gtx.Ops, w)
 
 			// check for presses of the escape key and close the window if we find them.
-			for {
-				event, ok := gtx.Event(key.Filter{Name: key.NameEscape})
-				if !ok {
-					break
-				}
+
+			for event := range gtx.Events(key.Filter{Name: key.NameEscape}) {
 				switch event := event.(type) {
 				case key.Event:
 					if event.Name == key.NameEscape {
@@ -97,6 +94,7 @@ func (ui *UI) Run(w *app.Window) error {
 					}
 				}
 			}
+
 			// render and handle UI.
 			ui.Layout(gtx)
 			area.Pop()
diff --git a/7gui/timer/main.go b/7gui/timer/main.go
index 9969220..ddbf9a3 100644
--- a/7gui/timer/main.go
+++ b/7gui/timer/main.go
@@ -98,11 +98,8 @@ func (ui *UI) Run(w *app.Window) error {
 			event.Op(gtx.Ops, w)
 
 			// check for presses of the escape key and close the window if we find them.
-			for {
-				event, ok := gtx.Event(key.Filter{Name: key.NameEscape})
-				if !ok {
-					break
-				}
+
+			for event := range gtx.Events(key.Filter{Name: key.NameEscape}) {
 				switch event := event.(type) {
 				case key.Event:
 					if event.Name == key.NameEscape {
@@ -110,6 +107,7 @@ func (ui *UI) Run(w *app.Window) error {
 					}
 				}
 			}
+
 			// render and handle UI.
 			ui.Layout(gtx)
 			area.Pop()
diff --git a/cursor_position/cursor_position.go b/cursor_position/cursor_position.go
index 1031d69..edfaec5 100644
--- a/cursor_position/cursor_position.go
+++ b/cursor_position/cursor_position.go
@@ -49,14 +49,11 @@ func loop(w *app.Window) error {
 			area := clip.Rect(r).Push(&ops)
 			event.Op(&ops, &mousePos)
 			area.Pop()
-			for {
-				ev, ok := gtx.Event(pointer.Filter{
-					Target: &mousePos,
-					Kinds:  pointer.Move | pointer.Enter | pointer.Leave,
-				})
-				if !ok {
-					break
-				}
+
+			for ev := range gtx.Events(pointer.Filter{
+				Target: &mousePos,
+				Kinds:  pointer.Move | pointer.Enter | pointer.Leave,
+			}) {
 				switch ev := ev.(type) {
 				case pointer.Event:
 					switch ev.Kind {
diff --git a/galaxy/main.go b/galaxy/main.go
index 0e1b50e..5e59471 100644
--- a/galaxy/main.go
+++ b/galaxy/main.go
@@ -281,14 +281,10 @@ func layoutControls(gtx C) D {
 }
 
 func layoutSelectionLayer(gtx C) D {
-	for {
-		event, ok := gtx.Event(pointer.Filter{
-			Target: &selected,
-			Kinds:  pointer.Press | pointer.Release | pointer.Drag,
-		})
-		if !ok {
-			break
-		}
+	for event := range gtx.Events(pointer.Filter{
+		Target: &selected,
+		Kinds:  pointer.Press | pointer.Release | pointer.Drag,
+	}) {
 		switch event := event.(type) {
 		case pointer.Event:
 			var intPt image.Point
diff --git a/gophers/main.go b/gophers/main.go
index 5465e97..770b1b8 100644
--- a/gophers/main.go
+++ b/gophers/main.go
@@ -129,22 +129,18 @@ func (a *App) run() error {
 				event.Op(gtx.Ops, a.w)
 
 				// check for presses of global keyboard shortcuts and process them.
-				for {
-					event, ok := gtx.Event(
-						key.Filter{
-							Required: key.ModShortcut,
-							Name:     "P",
-						},
-						key.Filter{
-							Name: key.NameBack,
-						},
-						key.Filter{
-							Name: key.NameEscape,
-						},
-					)
-					if !ok {
-						break
-					}
+				for event := range gtx.Events(
+					key.Filter{
+						Required: key.ModShortcut,
+						Name:     "P",
+					},
+					key.Filter{
+						Name: key.NameBack,
+					},
+					key.Filter{
+						Name: key.NameEscape,
+					},
+				) {
 					switch event := event.(type) {
 					case key.Event:
 						switch event.Name {
diff --git a/gophers/ui.go b/gophers/ui.go
index 92fe461..a396c17 100644
--- a/gophers/ui.go
+++ b/gophers/ui.go
@@ -130,11 +130,7 @@ func (u *UI) layoutTimings(gtx layout.Context) {
 func (u *UI) Layout(gtx layout.Context) {
 	for i := range u.userClicks {
 		click := &u.userClicks[i]
-		for {
-			e, ok := click.Update(gtx.Source)
-			if !ok {
-				break
-			}
+		for e := range click.Update(gtx.Source) {
 			if e.Kind == gesture.KindClick {
 				u.selectedUser = u.newUserPage(u.users[i])
 			}
diff --git a/kitchen/kitchen.go b/kitchen/kitchen.go
index 64734d7..7ebef95 100644
--- a/kitchen/kitchen.go
+++ b/kitchen/kitchen.go
@@ -248,11 +248,7 @@ func (b iconAndTextButton) Layout(gtx layout.Context) layout.Dimensions {
 }
 
 func kitchen(gtx layout.Context, th *material.Theme) layout.Dimensions {
-	for {
-		e, ok := lineEditor.Update(gtx)
-		if !ok {
-			break
-		}
+	for e := range lineEditor.Update(gtx) {
 		if e, ok := e.(widget.SubmitEvent); ok {
 			topLabel = e.Text
 			lineEditor.SetText("")
diff --git a/life/main.go b/life/main.go
index b7b261b..9352fa5 100644
--- a/life/main.go
+++ b/life/main.go
@@ -105,13 +105,9 @@ func (ui *UI) Run(w *app.Window) error {
 				event.Op(gtx.Ops, w)
 
 				// check for presses of the escape key and close the window if we find them.
-				for {
-					event, ok := gtx.Event(key.Filter{
-						Name: key.NameEscape,
-					})
-					if !ok {
-						break
-					}
+				for event := range gtx.Events(key.Filter{
+					Name: key.NameEscape,
+				}) {
 					switch event := event.(type) {
 					case key.Event:
 						if event.Name == key.NameEscape {
diff --git a/life/style.go b/life/style.go
index e8ac2b1..30479c5 100644
--- a/life/style.go
+++ b/life/style.go
@@ -29,14 +29,10 @@ func (board BoardStyle) Layout(gtx layout.Context) layout.Dimensions {
 	gtx.Constraints = layout.Exact(size)
 
 	// Handle any input from a pointer.
-	for {
-		ev, ok := gtx.Event(pointer.Filter{
-			Target: board.Board,
-			Kinds:  pointer.Drag,
-		})
-		if !ok {
-			break
-		}
+	for ev := range gtx.Events(pointer.Filter{
+		Target: board.Board,
+		Kinds:  pointer.Drag,
+	}) {
 		if ev, ok := ev.(pointer.Event); ok {
 			p := image.Pt(int(ev.Position.X), int(ev.Position.Y))
 			// Calculate the board coordinate given a cursor position.
diff --git a/markdown/main.go b/markdown/main.go
index 775d315..474b65d 100644
--- a/markdown/main.go
+++ b/markdown/main.go
@@ -133,11 +133,7 @@ func (ui *UI) Update(gtx C) {
 			}
 		}
 	}
-	for {
-		event, ok := ui.Editor.Update(gtx)
-		if !ok {
-			break
-		}
+	for event := range ui.Editor.Update(gtx) {
 		if _, ok := event.(widget.ChangeEvent); ok {
 			var err error
 			ui.Theme.cache, err = ui.Renderer.Render([]byte(ui.Editor.Text()))
diff --git a/opengl/main.go b/opengl/main.go
index d9c7daa..8252a4e 100644
--- a/opengl/main.go
+++ b/opengl/main.go
@@ -170,14 +170,10 @@ func loop(w *app.Window) (windowErr error) {
 			// Catch pointer events not hitting UI.
 			types := pointer.Move | pointer.Press | pointer.Release
 			event.Op(gtx.Ops, w)
-			for {
-				e, ok := gtx.Event(pointer.Filter{
-					Target: w,
-					Kinds:  types,
-				})
-				if !ok {
-					break
-				}
+			for e := range gtx.Events(pointer.Filter{
+				Target: w,
+				Kinds:  types,
+			}) {
 				log.Println("Event:", e)
 			}
 			if btnScreenshot.Clicked(gtx) {
diff --git a/outlay/fan/widget/state.go b/outlay/fan/widget/state.go
index d2702cd..f90e617 100644
--- a/outlay/fan/widget/state.go
+++ b/outlay/fan/widget/state.go
@@ -21,14 +21,10 @@ type HoverState struct {
 
 func (c *HoverState) Hovering(gtx C) bool {
 	start := c.hovering
-	for {
-		ev, ok := gtx.Event(pointer.Filter{
-			Target: c,
-			Kinds:  pointer.Enter | pointer.Leave,
-		})
-		if !ok {
-			break
-		}
+	for ev := range gtx.Events(pointer.Filter{
+		Target: c,
+		Kinds:  pointer.Enter | pointer.Leave,
+	}) {
 		switch ev := ev.(type) {
 		case pointer.Event:
 			switch ev.Kind {