Added generic margin.

ui/debug.go

@@ -95,14 +95,14 @@ func (o *debugOverlay) renderControl(ctx Context, control Control) {
 		nameTextureHeight := float32(nameTexture.Height())
 		renderer.FillRectangle(pos.RectRel2D(nameTextureWidth, nameTextureHeight), color.Black)
 		renderer.DrawTexturePoint(nameTexture, pos)
-		childPos := pos.Add2D(nameTextureWidth+8, 0)
+		childPos := pos.Add2D(nameTextureWidth+ctx.Style().Dimensions.Margin, 0)
 		for _, child := range node.Children {
 			if childPos.Y == maxY {
 				childPos.Y = maxY + nameTextureHeight
 			}
 			renderHoverNode(childPos, child)
 			maxY = childPos.Y
-			childPos.Y += nameTextureHeight + 8
+			childPos.Y += nameTextureHeight + ctx.Style().Dimensions.Margin
 		}
 	}
 	renderHoverNode(geom.PtF32(4, 4), o.hoverNodes)

ui/style.go

@@ -12,6 +12,7 @@ var defaultPalette *Palette
 var defaultStyle *Style
 
 type Dimensions struct {
+	Margin         float32
 	OutlineWidth   float32
 	ScrollbarWidth float32
 	TextPadding    float32
@@ -67,6 +68,7 @@ type Style struct {
 
 func DefaultDimensions() *Dimensions {
 	return &Dimensions{
+		Margin:         8.,
 		OutlineWidth:   2.,
 		ScrollbarWidth: 16.,
 		TextPadding:    8.,