Move settings ui to SettingsPage class, show different widgets for different settings page, show different widgets depending on combobox selections

include/SettingsPage.hpp

@@ -0,0 +1,37 @@
+#pragma once
+
+#include "gui/StaticPage.hpp"
+#include "GsrInfo.hpp"
+
+#include <functional>
+
+namespace gsr {
+    class ScrollablePage;
+    class List;
+
+    class SettingsPage {
+    public:
+        enum class Type {
+            REPLAY,
+            RECORD,
+            STREAM
+        };
+
+        SettingsPage(Type type, const GsrInfo &gsr_info, const std::vector<AudioDevice> &audio_devices, std::function<void()> back_button_callback);
+        SettingsPage(const SettingsPage&) = delete;
+        SettingsPage& operator=(const SettingsPage&) = delete;
+
+        Page& get_page();
+    private:
+        void add_widgets(const gsr::GsrInfo &gsr_info, const std::vector<gsr::AudioDevice> &audio_devices, std::function<void()> back_button_callback);
+        void add_page_specific_widgets();
+        void add_replay_widgets();
+        void add_record_widgets();
+        void add_stream_widgets();
+    private:
+        StaticPage page;
+        ScrollablePage *content_page_ptr = nullptr;
+        List *settings_list_ptr = nullptr;
+        Type type;
+    };
+}