GUI: Don't display the ScrollContainer background inside tabs

Fixes #10645.

2 files changed, 10 insertions, 2 deletions

diff --git a/gui/widgets/scrollcontainer.cpp b/gui/widgets/scrollcontainer.cpp
index 6578d26feb..7e3f50d3bb 100644
--- a/gui/widgets/scrollcontainer.cpp
+++ b/gui/widgets/scrollcontainer.cpp
@@ -41,6 +41,7 @@ ScrollContainerWidget::ScrollContainerWidget(GuiObject *boss, const Common::Stri
 void ScrollContainerWidget::init() {
 	setFlags(WIDGET_ENABLED);
 	_type = kScrollContainerWidget;
+	_backgroundType = ThemeEngine::kDialogBackgroundDefault;
 	_verticalScroll = new ScrollBarWidget(this, _w-16, 0, 16, _h);
 	_verticalScroll->setTarget(this);
 	_scrolledX = 0;
@@ -145,8 +146,7 @@ void ScrollContainerWidget::reflowLayout() {
 }
 
 void ScrollContainerWidget::drawWidget() {
-	g_gui.theme()->drawDialogBackground(Common::Rect(_x, _y, _x + _w, _y + getHeight() - 1),
-	                                    ThemeEngine::kDialogBackgroundDefault);
+	g_gui.theme()->drawDialogBackground(Common::Rect(_x, _y, _x + _w, _y + getHeight() - 1), _backgroundType);
 }
 
 bool ScrollContainerWidget::containsWidget(Widget *w) const {
@@ -169,4 +169,8 @@ Common::Rect ScrollContainerWidget::getClipRect() const {
 	return Common::Rect(getAbsX(), getAbsY(), getAbsX() + _w, getAbsY() + getHeight());
 }
 
+void ScrollContainerWidget::setBackgroundType(ThemeEngine::DialogBackground backgroundType) {
+	_backgroundType = backgroundType;
+}
+
 } // End of namespace GUI
diff --git a/gui/widgets/scrollcontainer.h b/gui/widgets/scrollcontainer.h
index 49326ac6e9..01d9a195fa 100644
--- a/gui/widgets/scrollcontainer.h
+++ b/gui/widgets/scrollcontainer.h
@@ -34,6 +34,7 @@ class ScrollContainerWidget: public Widget, public CommandSender {
 	int16 _scrolledX, _scrolledY;
 	uint16 _limitH;
 	uint32 _reflowCmd;
+	ThemeEngine::DialogBackground _backgroundType;
 
 	void recalc();
 
@@ -51,6 +52,9 @@ public:
 	Common::Rect getClipRect() const override;
 
 	void handleMouseWheel(int x, int y, int direction);
+
+	void setBackgroundType(ThemeEngine::DialogBackground backgroundType);
+
 protected:
 	// We overload getChildY to make sure child widgets are positioned correctly.
 	// Essentially this compensates for the space taken up by the tab title header.