Dim disabled items in context menus (#4423)

src/widgets/BaseWindow.cpp

@@ -292,6 +292,11 @@ bool BaseWindow::supportsCustomWindowFrame()
 
 void BaseWindow::themeChangedEvent()
 {
+    if (!this->flags_.has(BaseWindow::DisableStyleSheet))
+    {
+        this->setStyleSheet(this->theme->window.contextMenuStyleSheet);
+    }
+
     if (this->hasCustomWindowFrame())
     {
         QPalette palette;

src/widgets/BaseWindow.hpp

@@ -24,16 +24,17 @@ class BaseWindow : public BaseWidget
     Q_OBJECT
 
 public:
-    enum Flags {
+    enum Flags : uint32_t {
         None = 0,
         EnableCustomFrame = 1,
-        Frameless = 2,
-        TopMost = 4,
-        DisableCustomScaling = 8,
-        FramelessDraggable = 16,
-        DontFocus = 32,
-        Dialog = 64,
-        DisableLayoutSave = 128,
+        Frameless = (1 << 1),
+        TopMost = (1 << 2),
+        DisableCustomScaling = (1 << 3),
+        FramelessDraggable = (1 << 4),
+        DontFocus = (1 << 5),
+        Dialog = (1 << 6),
+        DisableLayoutSave = (1 << 7),
+        DisableStyleSheet = (1 << 8),
     };
 
     enum ActionOnFocusLoss { Nothing, Delete, Close, Hide };

src/widgets/dialogs/SettingsDialog.cpp

@@ -29,9 +29,10 @@
 namespace chatterino {
 
 SettingsDialog::SettingsDialog(QWidget *parent)
-    : BaseWindow({BaseWindow::Flags::DisableCustomScaling,
-                  BaseWindow::Flags::Dialog, BaseWindow::DisableLayoutSave},
-                 parent)
+    : BaseWindow(
+          {BaseWindow::Flags::DisableCustomScaling, BaseWindow::Flags::Dialog,
+           BaseWindow::DisableLayoutSave, BaseWindow::DisableStyleSheet},
+          parent)
 {
     this->setObjectName("SettingsDialog");
     this->setWindowTitle("Chatterino Settings");