Update BottomBar to use drawText instead of material.Label

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

internal/ui/render.go

@@ -145,26 +145,22 @@ func (r *Renderer) drawStatusBar(gtx layout.Context, sb StatusBar) {
 
 func (r *Renderer) drawBottomBar(gtx layout.Context, bb BottomBar) {
 	reg := bb.Region()
-	th := material.NewTheme()
-	th.Shaper = r.shp
+
+	// BottomBar text at reg.Y (top of bar), using drawText for consistent rendering.
+	// The BottomBar region is at the bottom of the screen with 10DP margin.
+	bottomY := reg.Y
 
 	// Left: Cursor position
 	cursorX := reg.X + unit.Dp(8)
-	call1 := op.Offset(image.Point{X: int(cursorX), Y: int(reg.Y)}).Push(gtx.Ops)
-	material.Label(th, r.theme.FontSize, bb.CursorPos).Layout(gtx)
-	call1.Pop()
+	r.drawText(gtx, r.shp, bb.CursorPos, r.theme.FontSize, cursorX, bottomY, color.NRGBA{R: 0, G: 0, B: 0, A: 255})
 
 	// Center: Byte position
 	byteX := reg.X + reg.W/2 - unit.Dp(60) // approximate center
-	call2 := op.Offset(image.Point{X: int(byteX), Y: int(reg.Y)}).Push(gtx.Ops)
-	material.Label(th, r.theme.FontSize, bb.BytePos).Layout(gtx)
-	call2.Pop()
+	r.drawText(gtx, r.shp, bb.BytePos, r.theme.FontSize, byteX, bottomY, color.NRGBA{R: 0, G: 0, B: 0, A: 255})
 
 	// Right: Word wrap button
 	wordWrapX := reg.X + reg.W - unit.Dp(80)
-	call3 := op.Offset(image.Point{X: int(wordWrapX), Y: int(reg.Y)}).Push(gtx.Ops)
-	material.Label(th, r.theme.FontSize, "W:"+boolToString(bb.WordWrap)).Layout(gtx)
-	call3.Pop()
+	r.drawText(gtx, r.shp, "W:"+boolToString(bb.WordWrap), r.theme.FontSize, wordWrapX, bottomY, color.NRGBA{R: 0, G: 0, B: 0, A: 255})
 }
 
 func (r *Renderer) drawButton(gtx layout.Context, btn Button) {
@@ -323,3 +319,4 @@ func charWidths(gtx layout.Context, shp *text.Shaper, str string, size unit.Sp)
 	}
 	return widths
 }
+