feat: increase instance list row height

internal/ui/shell_test.go

@@ -3,6 +3,7 @@ package ui
 import (
 	"context"
 	"errors"
+	"image"
 	"path/filepath"
 	"strings"
 	"sync/atomic"
@@ -10,6 +11,8 @@ import (
 	"time"
 
 	"gioui.org/layout"
+	"gioui.org/op"
+	"gioui.org/unit"
 	"gioui.org/widget/material"
 )
 
@@ -83,6 +86,24 @@ func TestInstanceListColumnWeightsPrioritizeDirectoryAndCompactAction(t *testing
 	}
 }
 
+func TestInstanceListRowsUseDoubleStandardHeightAtEveryDPIScale(t *testing.T) {
+	if instanceListRowMinHeight != 2*instanceStandardRowHeight {
+		t.Fatalf("row height = %v, want two times standard height %v", instanceListRowMinHeight, instanceStandardRowHeight)
+	}
+	shell := NewShell(material.NewTheme())
+	for _, scale := range []float32{1, 2} {
+		gtx := layout.Context{
+			Ops:         new(op.Ops),
+			Constraints: layout.Constraints{Max: image.Pt(1200, 400)},
+			Metric:      unit.Metric{PxPerDp: scale, PxPerSp: scale},
+		}
+		dimensions := shell.instanceListRow(shell.rows[0])(gtx)
+		if want := gtx.Dp(instanceListRowMinHeight); dimensions.Size.Y != want {
+			t.Fatalf("scale %.0f row height = %d, want %d", scale, dimensions.Size.Y, want)
+		}
+	}
+}
+
 func TestShellDeletesOnlyTheRequestedInstance(t *testing.T) {
 	shell := NewShell(material.NewTheme())
 	target := shell.rows[1]