Fix BottomBar text positioning using op.Offset and remove debug logging

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

cmd/pad/main.go

@@ -67,11 +67,6 @@ func run(w *app.Window) error {
 			currentElems := elems
 			mu.Unlock()
 
-			log.Println("FrameEvent: rendering", len(currentElems), "elements")
-			for i, elem := range currentElems {
-				log.Println("  Element", i, "type:", typeOf(elem))
-			}
-
 			gtx := app.NewContext(&ops, e)
 			renderer.Draw(gtx, currentElems)
 			e.Frame(&ops)
@@ -89,20 +84,3 @@ func frameReceiver(w *app.Window, mu *sync.Mutex, elems *[]ui.Element, frameChan
 		mu.Unlock()
 	}
 }
-
-func typeOf(v any) string {
-	switch v.(type) {
-	case ui.Label:
-		return "Label"
-	case ui.ListView:
-		return "ListView"
-	case ui.StatusBar:
-		return "StatusBar"
-	case ui.BottomBar:
-		return "BottomBar"
-	case ui.Button:
-		return "Button"
-	default:
-		return "Unknown"
-	}
-}

internal/ui/render.go

@@ -4,6 +4,7 @@ import (
 	"image"
 
 	"gioui.org/layout"
+	"gioui.org/op"
 	"gioui.org/op/clip"
 	"gioui.org/text"
 	"gioui.org/unit"
@@ -145,22 +146,25 @@ func (r *Renderer) drawBottomBar(gtx layout.Context, bb BottomBar) {
 	}.Push(gtx.Ops)
 
 	// Left: Cursor position
+	{
 		cursorX := reg.X + unit.Dp(8)
-	gtx.Constraints.Min.X = int(cursorX)
+		op.Offset(image.Point{X: int(cursorX), Y: int(reg.Y)}).Push(gtx.Ops).Pop()
-	gtx.Constraints.Min.Y = int(reg.Y)
 		material.Label(th, r.theme.FontSize, bb.CursorPos).Layout(gtx)
+	}
 
 	// Center: Byte position
+	{
 		byteX := reg.X + reg.W/2 - unit.Dp(60) // approximate center
-	gtx.Constraints.Min.X = int(byteX)
+		op.Offset(image.Point{X: int(byteX), Y: int(reg.Y)}).Push(gtx.Ops).Pop()
-	gtx.Constraints.Min.Y = int(reg.Y)
 		material.Label(th, r.theme.FontSize, bb.BytePos).Layout(gtx)
+	}
 
 	// Right: Word wrap button
+	{
 		wordWrapX := reg.X + reg.W - unit.Dp(120)
-	gtx.Constraints.Min.X = int(wordWrapX)
+		op.Offset(image.Point{X: int(wordWrapX), Y: int(reg.Y)}).Push(gtx.Ops).Pop()
-	gtx.Constraints.Min.Y = int(reg.Y)
 		material.Label(th, r.theme.FontSize, "[Word Wrap: "+boolToString(bb.WordWrap)+"]").Layout(gtx)
+	}
 
 	c.Pop()
 }