BMenuField: use layout rect for the label.

* Instead of just laying it out as without the layout API.

src/kits/interface/MenuField.cpp

@@ -75,6 +75,8 @@ public:
 								LabelLayoutItem(BMenuField* parent);
 								LabelLayoutItem(BMessage* archive);
 
+			BRect				FrameInParent() const;
+
 	virtual	bool				IsVisible();
 	virtual	void				SetVisible(bool visible);
 
@@ -106,6 +108,8 @@ public:
 								MenuBarLayoutItem(BMenuField* parent);
 								MenuBarLayoutItem(BMessage* from);
 
+			BRect				FrameInParent() const;
+
 	virtual	bool				IsVisible();
 	virtual	void				SetVisible(bool visible);
 
@@ -950,7 +954,7 @@ BMenuField::DoLayout()
 
 	// If the user set a layout, we let the base class version call its
 	// hook.
-	if (GetLayout()) {
+	if (GetLayout() != NULL) {
 		BView::DoLayout();
 		return;
 	}
@@ -972,8 +976,8 @@ BMenuField::DoLayout()
 		&& fLayoutData->label_layout_item->Frame().IsValid()
 		&& fLayoutData->menu_bar_layout_item->Frame().IsValid()) {
 		// We have valid layout items, they define the divider location.
-		divider = fLayoutData->menu_bar_layout_item->Frame().left
+		divider = fabs(fLayoutData->menu_bar_layout_item->Frame().left
-			- fLayoutData->label_layout_item->Frame().left;
+			- fLayoutData->label_layout_item->Frame().left);
 	} else if (fLayoutData->label_width > 0) {
 		divider = fLayoutData->label_width
 			+ be_control_look->DefaultLabelSpacing();
@@ -1051,56 +1055,29 @@ BMenuField::_DrawLabel(BRect updateRect)
 {
 	CALLED();
 
-	BRect rect(Bounds());
-	rect.right = fDivider;
-	if (!rect.IsValid() || !rect.Intersects(updateRect))
-		return;
-
 	_ValidateLayoutData();
-	font_height& fh = fLayoutData->font_info;
 
 	const char* label = Label();
 	if (label == NULL)
 		return;
 
-	// horizontal alignment
+	BRect rect;
-	float x;
+	if (fLayoutData->label_layout_item != NULL)
-	switch (fAlign) {
+		rect = fLayoutData->label_layout_item->FrameInParent();
-		case B_ALIGN_RIGHT:
+	else {
-			x = fDivider - fLayoutData->label_width - 3.0f;
+		rect = Bounds();
-			break;
+		rect.right = fDivider;
-
-		case B_ALIGN_CENTER:
-			x = fDivider - roundf(fLayoutData->label_width / 2.0f);
-			break;
-
-		default:
-			x = 0.0;
-			break;
 	}
+	if (!rect.IsValid() || !rect.Intersects(updateRect))
+		return;
 
-	// vertical alignment
+	rgb_color base = ui_color(B_PANEL_BACKGROUND_COLOR);
-	float y = rect.top
-		+ roundf((rect.Height() + 1 - fh.ascent - fh.descent) / 2.0f)
-		+ fh.ascent;
-
-	const rgb_color lowColor = LowColor();
-
-	MenuPrivate menuPrivate(fMenuBar);
-	if (menuPrivate.State() != MENU_STATE_CLOSED)
-		SetLowColor(ui_color(B_MENU_SELECTED_BACKGROUND_COLOR));
-
-	BRect fillRect(rect.InsetByCopy(0, kVMargin));
-	fillRect.right -= kVMargin * 2;
-	FillRect(fillRect, B_SOLID_LOW);
-
 	uint32 flags = 0;
 	if (!IsEnabled())
 		flags |= BControlLook::B_DISABLED;
 
-	be_control_look->DrawLabel(this, label, LowColor(), flags, BPoint(x, y));
+	be_control_look->DrawLabel(this, label, rect, updateRect, base, flags,
-
+		BAlignment(fAlign, B_ALIGN_MIDDLE));
-	SetLowColor(lowColor);
 }
 
 
@@ -1385,6 +1362,13 @@ BMenuField::LabelLayoutItem::LabelLayoutItem(BMessage* from)
 }
 
 
+BRect
+BMenuField::LabelLayoutItem::FrameInParent() const
+{
+	return fFrame.OffsetByCopy(-fParent->Frame().left, -fParent->Frame().top);
+}
+
+
 bool
 BMenuField::LabelLayoutItem::IsVisible()
 {
@@ -1510,6 +1494,13 @@ BMenuField::MenuBarLayoutItem::MenuBarLayoutItem(BMessage* from)
 }
 
 
+BRect
+BMenuField::MenuBarLayoutItem::FrameInParent() const
+{
+	return fFrame.OffsetByCopy(-fParent->Frame().left, -fParent->Frame().top);
+}
+
+
 bool
 BMenuField::MenuBarLayoutItem::IsVisible()
 {