Allow DividerLabel with only top / bottom part.

ui/widgets/box_content_divider.cpp

@@ -25,17 +25,24 @@ BoxContentDivider::BoxContentDivider(QWidget *parent, int height)
 BoxContentDivider::BoxContentDivider(
 	QWidget *parent,
 	int height,
-	const style::color &bg)
+	const style::color &bg,
+	RectParts parts)
 : RpWidget(parent)
-, _bg(bg) {
+, _bg(bg)
+, _parts(parts) {
 	resize(width(), height);
 }
 
 void BoxContentDivider::paintEvent(QPaintEvent *e) {
 	QPainter p(this);
+
 	p.fillRect(e->rect(), _bg);
+	if (_parts & RectPart::Top) {
 		paintTop(p);
+	}
+	if (_parts & RectPart::Bottom) {
 		paintBottom(p);
+	}
 }
 
 void BoxContentDivider::paintTop(QPainter &p) {

ui/widgets/box_content_divider.h

@@ -7,19 +7,19 @@
 #pragma once
 
 #include "ui/rp_widget.h"
+#include "ui/rect_part.h"
 
 namespace Ui {
 
 class BoxContentDivider : public Ui::RpWidget {
 public:
 	BoxContentDivider(QWidget *parent);
-	BoxContentDivider(
-		QWidget *parent,
-		int height);
+	BoxContentDivider(QWidget *parent, int height);
 	BoxContentDivider(
 		QWidget *parent,
 		int height,
-		const style::color &bg);
+		const style::color &bg,
+		RectParts parts = RectPart::Top | RectPart::Bottom);
 
 	[[nodiscard]] const style::color &color() const;
 
@@ -31,6 +31,7 @@ protected:
 
 private:
 	const style::color &_bg;
+	const RectParts _parts;
 
 };
 

ui/widgets/labels.cpp

@@ -14,6 +14,8 @@
 #include "ui/basic_click_handlers.h" // UrlClickHandler
 #include "ui/inactive_press.h"
 #include "base/qt/qt_common_adapters.h"
+#include "styles/style_layers.h"
+#include "styles/palette.h"
 
 #include <QtWidgets/QApplication>
 #include <QtGui/QClipboard>
@@ -903,6 +905,15 @@ void FlatLabel::paintEvent(QPaintEvent *e) {
 	}
 }
 
+DividerLabel::DividerLabel(
+	QWidget *parent,
+	object_ptr<FlatLabel> &&child,
+	const style::margins &padding,
+	RectParts parts)
+: PaddingWrap(parent, std::move(child), padding)
+, _background(this, st::boxDividerHeight, st::boxDividerBg, parts) {
+}
+
 int DividerLabel::naturalWidth() const {
 	return -1;
 }

ui/widgets/labels.h

@@ -247,7 +247,11 @@ private:
 
 class DividerLabel : public PaddingWrap<FlatLabel> {
 public:
-	using PaddingWrap::PaddingWrap;
+	DividerLabel(
+		QWidget *parent,
+		object_ptr<FlatLabel> &&child,
+		const style::margins &padding,
+		RectParts parts = RectPart::Top | RectPart::Bottom);
 
 	int naturalWidth() const override;
 
@@ -255,8 +259,7 @@ protected:
 	void resizeEvent(QResizeEvent *e) override;
 
 private:
-	object_ptr<BoxContentDivider> _background
-		= object_ptr<BoxContentDivider>(this);
+	object_ptr<BoxContentDivider> _background;
 
 };