feat(overlay): inherit zoom and add zoom factor (#6016)

src/singletons/Settings.cpp

@@ -285,6 +285,16 @@ void Settings::setClampedUiScale(float value)
     this->uiScale.setValue(std::clamp(value, 0.2F, 10.F));
 }
 
+float Settings::getClampedOverlayScale() const
+{
+    return std::clamp(this->overlayScaleFactor.getValue(), 0.2F, 10.F);
+}
+
+void Settings::setClampedOverlayScale(float value)
+{
+    this->overlayScaleFactor.setValue(std::clamp(value, 0.2F, 10.F));
+}
+
 Settings &Settings::instance()
 {
     assert(instance_ != nullptr);

src/singletons/Settings.hpp

@@ -190,6 +190,7 @@ public:
     // BoolSetting useCustomWindowFrame = {"/appearance/useCustomWindowFrame",
     // false};
 
+    FloatSetting overlayScaleFactor = {"/appearance/overlay/scaleFactor", 1};
     IntSetting overlayBackgroundOpacity = {
         "/appearance/overlay/backgroundOpacity", 50};
     BoolSetting enableOverlayShadow = {"/appearance/overlay/shadow", true};
@@ -202,6 +203,9 @@ public:
     IntSetting overlayShadowOffsetY = {"/appearance/overlay/shadowOffsetY", 2};
     IntSetting overlayShadowRadius = {"/appearance/overlay/shadowRadius", 8};
 
+    float getClampedOverlayScale() const;
+    void setClampedOverlayScale(float value);
+
     // Badges
     BoolSetting showBadgesGlobalAuthority = {
         "/appearance/badges/GlobalAuthority", true};