Normalize app UI pane packages

internal/appui/header_menu_layout.go

@@ -0,0 +1,52 @@
+package appui
+
+import (
+	"image"
+
+	"gioui.org/layout"
+	"gioui.org/op"
+	"gioui.org/unit"
+)
+
+func intrinsicCompactCard(gtx layout.Context, w layout.Widget) layout.Dimensions {
+	measureGTX := gtx
+	measureGTX.Constraints.Min = image.Point{}
+	measureGTX.Constraints.Max.X = gtx.Constraints.Max.X
+	macro := op.Record(gtx.Ops)
+	contentDims := w(measureGTX)
+	_ = macro.Stop()
+	width := contentDims.Size.X + gtx.Dp(unit.Dp(20))
+	maxWidth := gtx.Constraints.Max.X
+	if maxWidth > 0 && width > maxWidth {
+		width = maxWidth
+	}
+	if width > 0 {
+		gtx.Constraints.Min.X = width
+		gtx.Constraints.Max.X = width
+	}
+	return compactCard(gtx, w)
+}
+
+func menuActionWidth(gtx layout.Context, rows []layout.Widget) int {
+	width := 0
+	for _, row := range rows {
+		measureGTX := gtx
+		measureGTX.Constraints.Min = image.Point{}
+		macro := op.Record(gtx.Ops)
+		dims := row(measureGTX)
+		_ = macro.Stop()
+		if dims.Size.X > width {
+			width = dims.Size.X
+		}
+	}
+	return width
+}
+
+func rightAlignedMenuAction(gtx layout.Context, width int, child layout.Widget) layout.Dimensions {
+	if width <= 0 {
+		return child(gtx)
+	}
+	gtx.Constraints.Min.X = width
+	gtx.Constraints.Max.X = width
+	return layout.E.Layout(gtx, child)
+}