UI: Massive revamp, new features and improvements

src/duckstation-qt/displaysettingswidget.h

@@ -4,7 +4,6 @@
 
 #include "ui_displaysettingswidget.h"
 
-class QtHostInterface;
 class PostProcessingChainConfigWidget;
 class SettingsDialog;
 
@@ -13,7 +12,7 @@ class DisplaySettingsWidget : public QWidget
   Q_OBJECT
 
 public:
-  DisplaySettingsWidget(QtHostInterface* host_interface, QWidget* parent, SettingsDialog* dialog);
+  DisplaySettingsWidget(SettingsDialog* dialog, QWidget* parent);
   ~DisplaySettingsWidget();
 
 private Q_SLOTS:
@@ -28,5 +27,5 @@ private:
 
   Ui::DisplaySettingsWidget m_ui;
 
-  QtHostInterface* m_host_interface;
+  SettingsDialog* m_dialog;
 };