Disable darkening background, also allow to over saturate up to 2

Common/UI/UIScreen.cpp

@@ -328,7 +328,7 @@ void PopupScreen::CreateViews() {
 
 	root_->Add(box_);
 	box_->SetBG(dc.theme->popupStyle.background);
-	box_->SetHasDropShadow(true);
+	box_->SetHasDropShadow(hasDropShadow_);
 	// Since we scale a bit, make the dropshadow bleed past the edges.
 	box_->SetDropShadowExpand(std::max(dp_xres, dp_yres));
 
@@ -530,6 +530,7 @@ EventReturn PopupSliderChoiceFloat::HandleClick(EventParams &e) {
 
 	SliderFloatPopupScreen *popupScreen = new SliderFloatPopupScreen(value_, minValue_, maxValue_, ChopTitle(text_), step_, units_, liveUpdate_);
 	popupScreen->OnChange.Handle(this, &PopupSliderChoiceFloat::HandleChange);
+	popupScreen->SetHasDropShadow(hasDropShadow_);
 	if (e.v)
 		popupScreen->SetPopupOrigin(e.v);
 	screenManager_->push(popupScreen);

Common/UI/UIScreen.h

@@ -83,6 +83,8 @@ public:
 	void SetPopupOrigin(const UI::View *view);
 	void SetPopupOffset(float y);
 
+	void SetHasDropShadow(bool has) { hasDropShadow_ = has; }
+
 protected:
 	virtual bool FillVertical() const { return false; }
 	virtual UI::Size PopupWidth() const { return 550; }
@@ -111,6 +113,8 @@ private:
 	bool hasPopupOrigin_ = false;
 	Point popupOrigin_;
 	float offsetY_ = 0.0f;
+
+	bool hasDropShadow_ = true;
 };
 
 class ListPopupScreen : public PopupScreen {
@@ -393,6 +397,10 @@ public:
 	void SetLiveUpdate(bool update) {
 		liveUpdate_ = update;
 	}
+	void SetHasDropShadow(bool has) {
+		hasDropShadow_ = has;
+	}
+
 	Event OnChange;
 
 protected:
@@ -411,6 +419,7 @@ private:
 	ScreenManager *screenManager_;
 	bool restoreFocus_;
 	bool liveUpdate_ = false;
+	bool hasDropShadow_ = true;
 };
 
 class PopupTextInputChoice: public AbstractChoiceWithValueDisplay {

UI/GameSettingsScreen.cpp

@@ -892,8 +892,14 @@ void GameSettingsScreen::CreateViews() {
 		return UI::EVENT_CONTINUE;
 	});
 
-	systemSettings->Add(new PopupSliderChoiceFloat(&g_Config.fUITint, 0.0, 1.0, n->T("Color Tint"), 0.01f, screenManager()))->SetLiveUpdate(true);
-	systemSettings->Add(new PopupSliderChoiceFloat(&g_Config.fUISaturation, 0.0, 1.0, n->T("Color Saturation"), 0.01f, screenManager()))->SetLiveUpdate(true);
+	PopupSliderChoiceFloat *tint = new PopupSliderChoiceFloat(&g_Config.fUITint, 0.0, 1.0, n->T("Color Tint"), 0.01f, screenManager());
+	tint->SetHasDropShadow(false);
+	tint->SetLiveUpdate(true);
+	systemSettings->Add(tint);
+	PopupSliderChoiceFloat *saturation = new PopupSliderChoiceFloat(&g_Config.fUISaturation, 0.0, 2.0, n->T("Color Saturation"), 0.01f, screenManager());
+	saturation->SetHasDropShadow(false);
+	saturation->SetLiveUpdate(true);
+	systemSettings->Add(saturation);
 
 	static const char *backgroundAnimations[] = { "No animation", "Floating symbols", "Recent games", "Waves", "Moving background" };
 	systemSettings->Add(new PopupMultiChoice(&g_Config.iBackgroundAnimation, sy->T("UI background animation"), backgroundAnimations, 0, ARRAY_SIZE(backgroundAnimations), sy->GetName(), screenManager()));