Make everything final that can be

Apparently gcc does use final for devirtualization.

libaegisub/common/cajun/elements.cpp

@@ -38,7 +38,7 @@ namespace {
 	};
 
 	template<class T>
-	struct CastVisitor : public CastVisitorBase {
+	struct CastVisitor final : public CastVisitorBase {
 		T *element;
 		CastVisitor() : element(0) { }
 		void Visit(T& ele) { element = &ele; }
@@ -64,7 +64,7 @@ public:
 
 
 template <typename ElementTypeT>
-class UnknownElement::Imp_T : public UnknownElement::Imp
+class UnknownElement::Imp_T final : public UnknownElement::Imp
 {
 public:
    Imp_T(const ElementTypeT& element) : m_Element(element) { }

libaegisub/common/charset.cpp

@@ -35,7 +35,7 @@
 namespace {
 using namespace agi::charset;
 
-class UCDetect : public nsUniversalDetector {
+class UCDetect final : public nsUniversalDetector {
 	/// List of detected character sets
 	CharsetListDetected list;
 

libaegisub/common/charset_6937.h

@@ -25,7 +25,7 @@ namespace agi { namespace charset {
 ///
 /// While glibc iconv supports ISO-6937-2, GNU libiconv does not due to that
 /// it's not used by anything but old subtitle formats
-class Converter6937 : public Converter {
+class Converter6937 final : public Converter {
 	/// Converter to UCS-4 so that we only have to deal with unicode codepoints
 	std::unique_ptr<IconvWrapper> to_ucs4;
 

libaegisub/common/charset_conv.cpp

@@ -135,7 +135,7 @@ namespace {
 	}
 
 #ifdef ICONV_POSIX
-	class ConverterImpl : public agi::charset::Converter {
+	class ConverterImpl final : public agi::charset::Converter {
 		size_t bomSize;
 		iconv_t cd;
 	public:
@@ -175,7 +175,7 @@ namespace {
 
 #else
 
-	class ConverterImpl : public iconv_fallbacks, public agi::charset::Converter {
+	class ConverterImpl final : public iconv_fallbacks, public agi::charset::Converter {
 		size_t bomSize;
 		char invalidRep[8];
 		size_t invalidRepSize;

libaegisub/common/dispatch.cpp

@@ -32,19 +32,19 @@ namespace {
 	std::function<void (agi::dispatch::Thunk)> invoke_main;
 	std::atomic<uint_fast32_t> threads_running;
 
-	class MainQueue : public agi::dispatch::Queue {
+	class MainQueue final : public agi::dispatch::Queue {
 		void DoInvoke(agi::dispatch::Thunk thunk) override {
 			invoke_main(thunk);
 		}
 	};
 
-	class BackgroundQueue : public agi::dispatch::Queue {
+	class BackgroundQueue final : public agi::dispatch::Queue {
 		void DoInvoke(agi::dispatch::Thunk thunk) override {
 			service->post(thunk);
 		}
 	};
 
-	class SerialQueue : public agi::dispatch::Queue {
+	class SerialQueue final : public agi::dispatch::Queue {
 		boost::asio::io_service::strand strand;
 
 		void DoInvoke(agi::dispatch::Thunk thunk) override {

libaegisub/common/option_visit.h

@@ -31,7 +31,7 @@ DEFINE_SIMPLE_EXCEPTION_NOINNER(OptionJsonValueArray, OptionJsonValueError, "opt
 DEFINE_SIMPLE_EXCEPTION_NOINNER(OptionJsonValueSingle, OptionJsonValueError, "options/value")
 DEFINE_SIMPLE_EXCEPTION_NOINNER(OptionJsonValueNull, OptionJsonValueError, "options/value")
 
-class ConfigVisitor : public json::ConstVisitor {
+class ConfigVisitor final : public json::ConstVisitor {
 	/// Option map being populated
 	OptionValueMap &values;
 	/// Option name prefix to add to read names

libaegisub/common/parser.cpp

@@ -109,7 +109,7 @@ struct color_grammar : qi::grammar<Iterator, agi::Color()> {
 };
 
 template <typename Lexer>
-struct dialogue_tokens : lex::lexer<Lexer> {
+struct dialogue_tokens final : lex::lexer<Lexer> {
 	int paren_depth;
 
 	template<typename KT>

libaegisub/include/libaegisub/cajun/reader.h

@@ -29,7 +29,7 @@ public:
 
 	// thrown during the first phase of reading. generally catches low-level
 	// problems such as errant characters or corrupt/incomplete documents
-	class ScanException : public Exception {
+	class ScanException final : public Exception {
 	public:
 		ScanException(std::string const& sMessage, Reader::Location locError)
 		: Exception(sMessage)
@@ -41,7 +41,7 @@ public:
 
 	// thrown during the second phase of reading. generally catches
 	// higher-level problems such as missing commas or brackets
-	class ParseException : public Exception {
+	class ParseException final : public Exception {
 	public:
 		ParseException(std::string const& sMessage, Reader::Location locTokenBegin, Reader::Location locTokenEnd)
 		: Exception(sMessage)

libaegisub/include/libaegisub/cajun/writer.h

@@ -15,7 +15,7 @@ Author: Terry Caton
 
 namespace json {
 
-class Writer : private ConstVisitor {
+class Writer final : private ConstVisitor {
 	Writer(std::ostream& ostr);
 	void Write(const Object& object);
 	void Write(const Array& array);

libaegisub/include/libaegisub/line_iterator.h

@@ -32,7 +32,7 @@ namespace agi {
 /// @class line_iterator
 /// @brief An iterator over lines in a stream
 template<class OutputType = std::string>
-class line_iterator : public std::iterator<std::input_iterator_tag, OutputType> {
+class line_iterator final : public std::iterator<std::input_iterator_tag, OutputType> {
 	std::istream *stream; ///< Stream to iterator over
 	OutputType value; ///< Value to return when this is dereference
 	std::shared_ptr<agi::charset::IconvWrapper> conv;

libaegisub/include/libaegisub/log.h

@@ -120,7 +120,7 @@ public:
 };
 
 /// A simple emitter which writes the log to a file in json format
-class JsonEmitter : public Emitter {
+class JsonEmitter final : public Emitter {
 	std::unique_ptr<std::ostream> fp;
 
 	void WriteTime(const char *key);

libaegisub/include/libaegisub/option.h

@@ -39,7 +39,7 @@ DEFINE_SIMPLE_EXCEPTION_NOINNER(OptionErrorDuplicateKey, OptionError, "options/d
 
 class OptionValue;
 
-class OptionValueMap : public std::map<std::string, std::unique_ptr<OptionValue>> {
+class OptionValueMap final : public std::map<std::string, std::unique_ptr<OptionValue>> {
 private:
 	OptionValueMap(const OptionValueMap& x);
 	OptionValueMap& operator=(const OptionValueMap& x);

libaegisub/include/libaegisub/option_value.h

@@ -99,7 +99,7 @@ public:
 };
 
 #define CONFIG_OPTIONVALUE(type_name, type)                                                   \
-	class OptionValue##type_name : public OptionValue {                                       \
+	class OptionValue##type_name final : public OptionValue {                                 \
 		type value;                                                                           \
 		type value_default;                                                                   \
 	public:                                                                                   \
@@ -121,7 +121,7 @@ CONFIG_OPTIONVALUE(Color, Color)
 CONFIG_OPTIONVALUE(Bool, bool)
 
 #define CONFIG_OPTIONVALUE_LIST(type_name, type)                                              \
-	class OptionValueList##type_name : public OptionValue {                                   \
+	class OptionValueList##type_name final : public OptionValue {                             \
 		std::vector<type> array;                                                              \
 		std::vector<type> array_default;                                                      \
 		std::string name;                                                                     \

libaegisub/include/libaegisub/owning_intrusive_list.h

@@ -21,7 +21,7 @@
 namespace agi {
 
 template<typename T>
-class owning_intrusive_list : private boost::intrusive::make_list<T, boost::intrusive::constant_time_size<false>>::type {
+class owning_intrusive_list final : private boost::intrusive::make_list<T, boost::intrusive::constant_time_size<false>>::type {
 	typedef typename boost::intrusive::make_list<T, boost::intrusive::constant_time_size<false>>::type base;
 public:
 	using base::back;

libaegisub/include/libaegisub/signal.h

@@ -133,7 +133,7 @@ namespace detail {
 
 	/// @brief Templated common code for signals
 	template<class Slot>
-	class SignalBaseImpl : public SignalBase {
+	class SignalBaseImpl final : public SignalBase {
 	protected:
 		typedef boost::container::map<ConnectionToken*, Slot> SlotMap;
 
@@ -187,7 +187,7 @@ namespace detail {
 /// @param Arg1 Type of first argument to pass to slots
 /// @param Arg2 Type of second argument to pass to slots
 template<class Arg1 = void, class Arg2 = void>
-class Signal : public detail::SignalBaseImpl<std::function<void (Arg1, Arg2)> > {
+class Signal final : public detail::SignalBaseImpl<std::function<void (Arg1, Arg2)> > {
 	typedef detail::SignalBaseImpl<std::function<void (Arg1, Arg2)> > super;
 	using super::Blocked;
 	using super::slots;
@@ -266,7 +266,7 @@ public:
 /// @class Signal
 /// @brief Zero-argument signal
 template<>
-class Signal<void> : public detail::SignalBaseImpl<std::function<void ()> > {
+class Signal<void> final : public detail::SignalBaseImpl<std::function<void ()> > {
 	typedef detail::SignalBaseImpl<std::function<void ()> > super;
 	using super::Blocked;
 	using super::slots;

src/ass_attachment.h

@@ -22,7 +22,7 @@
 #include <vector>
 
 /// @class AssAttachment
-class AssAttachment : public AssEntry {
+class AssAttachment final : public AssEntry {
 	/// ASS uuencoded entry data, including header.
 	boost::flyweight<std::string> entry_data;
 

src/ass_dialogue.h

@@ -83,20 +83,20 @@ public:
 	virtual std::string GetText() { return text; }
 };
 
-class AssDialogueBlockPlain : public AssDialogueBlock {
+class AssDialogueBlockPlain final : public AssDialogueBlock {
 public:
 	using AssDialogueBlock::text;
 	AssBlockType GetType() const override { return AssBlockType::PLAIN; }
 	AssDialogueBlockPlain(std::string const& text = std::string()) : AssDialogueBlock(text) { }
 };
 
-class AssDialogueBlockComment : public AssDialogueBlock {
+class AssDialogueBlockComment final : public AssDialogueBlock {
 public:
 	AssBlockType GetType() const override { return AssBlockType::COMMENT; }
 	AssDialogueBlockComment(std::string const& text = std::string()) : AssDialogueBlock("{" + text + "}") { }
 };
 
-class AssDialogueBlockDrawing : public AssDialogueBlock {
+class AssDialogueBlockDrawing final : public AssDialogueBlock {
 public:
 	using AssDialogueBlock::text;
 	int Scale;
@@ -105,7 +105,7 @@ public:
 	AssDialogueBlockDrawing(std::string const& text, int scale) : AssDialogueBlock(text), Scale(scale) { }
 };
 
-class AssDialogueBlockOverride : public AssDialogueBlock {
+class AssDialogueBlockOverride final : public AssDialogueBlock {
 public:
 	AssDialogueBlockOverride(std::string const& text = std::string()) : AssDialogueBlock(text) { }
 
@@ -150,7 +150,7 @@ struct AssDialogueBase {
 	boost::flyweight<std::string> Text;
 };
 
-class AssDialogue : public AssEntry, public AssDialogueBase, public AssEntryListHook {
+class AssDialogue final : public AssEntry, public AssDialogueBase, public AssEntryListHook {
 	std::string GetData(bool ssa) const;
 
 	/// @brief Parse raw ASS data into everything else

src/ass_info.h

@@ -18,7 +18,7 @@
 
 #include <boost/algorithm/string/predicate.hpp>
 
-class AssInfo : public AssEntry {
+class AssInfo final : public AssEntry {
 	std::string key;
 	std::string value;
 

src/ass_override.h

@@ -62,7 +62,7 @@ enum class VariableDataType {
 };
 
 /// A single parameter to an override tag
-class AssOverrideParameter : boost::noncopyable {
+class AssOverrideParameter final : boost::noncopyable {
 	std::string value;
 	mutable std::unique_ptr<AssDialogueBlockOverride> block;
 	VariableDataType type;
@@ -87,7 +87,7 @@ public:
 	}
 };
 
-class AssOverrideTag : boost::noncopyable {
+class AssOverrideTag final : boost::noncopyable {
 	bool valid;
 
 public:

src/ass_style.h

@@ -39,7 +39,7 @@
 #include <array>
 #include <wx/arrstr.h>
 
-class AssStyle : public AssEntry, public AssEntryListHook {
+class AssStyle final : public AssEntry, public AssEntryListHook {
 	std::string data;
 
 public:

src/audio_box.h

@@ -53,7 +53,7 @@ class wxSlider;
 
 /// @class AudioBox
 /// @brief Panel with audio playback and timing controls, also containing an AudioDisplay
-class AudioBox : public wxSashWindow {
+class AudioBox final : public wxSashWindow {
 	/// The controller controlling this audio box
 	AudioController *controller;
 

src/audio_controller.h

@@ -63,7 +63,7 @@ class TimeRange;
 /// providers or players owned by a controller. If some operation that isn't
 /// possible in the existing design is needed, the controller should be
 /// extended in some way to allow it.
-class AudioController : public wxEvtHandler {
+class AudioController final : public wxEvtHandler {
 	/// Project context this controller belongs to
 	agi::Context *context;
 

src/audio_display.cpp

@@ -108,7 +108,7 @@ public:
 	wxColour Selection() const { return focused ? sel_focused_colour : sel_colour; }
 };
 
-class AudioDisplayScrollbar : public AudioDisplayInteractionObject {
+class AudioDisplayScrollbar final : public AudioDisplayInteractionObject {
 	static const int height = 15;
 	static const int min_width = 10;
 
@@ -247,7 +247,7 @@ public:
 const int AudioDisplayScrollbar::min_width;
 
 
-class AudioDisplayTimeline : public AudioDisplayInteractionObject {
+class AudioDisplayTimeline final : public AudioDisplayInteractionObject {
 	int duration;        ///< Total duration in ms
 	double ms_per_pixel; ///< Milliseconds per pixel
 	int pixel_left;      ///< Leftmost visible pixel (i.e. scroll position)
@@ -460,7 +460,7 @@ public:
 	}
 };
 
-class AudioMarkerInteractionObject : public AudioDisplayInteractionObject {
+class AudioMarkerInteractionObject final : public AudioDisplayInteractionObject {
 	// Object-pair being interacted with
 	std::vector<AudioMarker*> markers;
 	AudioTimingController *timing_controller;
@@ -502,7 +502,7 @@ public:
 	int GetPosition() const { return markers.front()->GetPosition(); }
 };
 
-class AudioStyleRangeMerger : public AudioRenderingStyleRanges {
+class AudioStyleRangeMerger final : public AudioRenderingStyleRanges {
 	typedef std::map<int, AudioRenderingStyle> style_map;
 public:
 	typedef style_map::iterator iterator;

src/audio_karaoke.h

@@ -67,7 +67,7 @@ namespace agi { struct Context; }
 /// actually updated until the line is committed (which if auto-commit timing
 /// changes is on, will happen as soon as the user adjusts the timing of the
 /// new syllable).
-class AudioKaraoke : public wxWindow {
+class AudioKaraoke final : public wxWindow {
 	agi::Context *c; ///< Project context
 	agi::signal::Connection file_changed; ///< File changed slot
 	agi::signal::Connection audio_opened; ///< Audio opened connection

src/audio_marker.cpp

@@ -32,7 +32,7 @@
 
 #include <algorithm>
 
-class AudioMarkerKeyframe : public AudioMarker {
+class AudioMarkerKeyframe final : public AudioMarker {
 	Pen *style;
 	int position;
 public:
@@ -86,7 +86,7 @@ void AudioMarkerProviderKeyframes::GetMarkers(TimeRange const& range, AudioMarke
 		out.push_back(&*a);
 }
 
-class VideoPositionMarker : public AudioMarker {
+class VideoPositionMarker final : public AudioMarker {
 	Pen style;
 	int position;
 

src/audio_marker.h

@@ -122,7 +122,7 @@ public:
 
 
 /// Marker provider for video keyframes
-class AudioMarkerProviderKeyframes : public AudioMarkerProvider {
+class AudioMarkerProviderKeyframes final : public AudioMarkerProvider {
 	/// Video controller to get keyframes from
 	VideoContext *vc;
 
@@ -155,7 +155,7 @@ public:
 };
 
 /// Marker provider for the current video playback position
-class VideoPositionMarkerProvider : public AudioMarkerProvider {
+class VideoPositionMarkerProvider final : public AudioMarkerProvider {
 	VideoContext *vc;
 
 	std::unique_ptr<VideoPositionMarker> marker;
@@ -174,8 +174,8 @@ public:
 };
 
 /// Marker provider for lines every second
-class SecondsMarkerProvider : public AudioMarkerProvider {
-	struct Marker : public AudioMarker {
+class SecondsMarkerProvider final : public AudioMarkerProvider {
+	struct Marker final : public AudioMarker {
 		Pen *style;
 		int position;
 

src/audio_player_alsa.h

@@ -40,7 +40,7 @@
 
 struct PlaybackState;
 
-class AlsaPlayer : public AudioPlayer {
+class AlsaPlayer final : public AudioPlayer {
 	std::unique_ptr<PlaybackState> ps;
 	pthread_t thread;
 

src/audio_player_dsound.h

@@ -43,7 +43,7 @@
 
 class DirectSoundPlayer;
 
-class DirectSoundPlayerThread : public wxThread {
+class DirectSoundPlayerThread final : public wxThread {
 	DirectSoundPlayer *parent;
 	HANDLE stopnotify;
 
@@ -55,7 +55,7 @@ public:
 	wxThread::ExitCode Entry();
 };
 
-class DirectSoundPlayer : public AudioPlayer {
+class DirectSoundPlayer final : public AudioPlayer {
 	friend class DirectSoundPlayerThread;
 
 	volatile bool playing;

src/audio_player_dsound2.cpp

@@ -117,7 +117,7 @@ struct COMObjectRetainer {
 };
 
 /// @brief RAII wrapper around Win32 HANDLE type
-struct Win32KernelHandle : public agi::scoped_holder<HANDLE, BOOL (__stdcall *)(HANDLE)> {
+struct Win32KernelHandle final : public agi::scoped_holder<HANDLE, BOOL (__stdcall *)(HANDLE)> {
 	/// @brief Create with a managed handle
 	/// @param handle Win32 handle to manage
 	Win32KernelHandle(HANDLE handle = 0)

src/audio_player_dsound2.h

@@ -44,7 +44,7 @@ class DirectSoundPlayer2Thread;
 /// The core design idea is to have a playback thread that owns the DirectSound COM objects
 /// and performs all playback operations, and use the player object as a proxy to
 /// send commands to the playback thread.
-class DirectSoundPlayer2 : public AudioPlayer {
+class DirectSoundPlayer2 final : public AudioPlayer {
 	/// The playback thread
 	std::unique_ptr<DirectSoundPlayer2Thread> thread;
 

src/audio_player_openal.h

@@ -51,7 +51,7 @@
 
 #include <wx/timer.h>
 
-class OpenALPlayer : public AudioPlayer, wxTimer {
+class OpenALPlayer final : public AudioPlayer, wxTimer {
 	/// Number of OpenAL buffers to use
 	static const ALsizei num_buffers = 8;
 

src/audio_player_oss.h

@@ -52,7 +52,7 @@ class AudioProvider;
 class OSSPlayer;
 
 /// Worker thread to asynchronously write audio data to the output device
-class OSSPlayerThread : public wxThread {
+class OSSPlayerThread final : public wxThread {
     /// Parent player
     OSSPlayer *parent;
 
@@ -65,7 +65,7 @@ public:
     wxThread::ExitCode Entry();
 };
 
-class OSSPlayer : public AudioPlayer {
+class OSSPlayer final : public AudioPlayer {
     friend class OSSPlayerThread;
 
     /// sample rate of audio

src/audio_player_portaudio.h

@@ -49,7 +49,7 @@ class wxArrayString;
 /// @class PortAudioPlayer
 /// @brief PortAudio Player
 ///
-class PortAudioPlayer : public AudioPlayer {
+class PortAudioPlayer final : public AudioPlayer {
 	typedef std::vector<PaDeviceIndex> DeviceVec;
 	/// Map of supported output devices from name -> device index
 	std::map<std::string, DeviceVec> devices;

src/audio_player_pulse.h

@@ -39,7 +39,7 @@
 
 class PulseAudioPlayer;
 
-class PulseAudioPlayer : public AudioPlayer {
+class PulseAudioPlayer final : public AudioPlayer {
 	float volume = 1.f;
 	bool is_playing = false;
 

src/audio_provider_avs.h

@@ -38,7 +38,7 @@
 #include "avisynth.h"
 #include "avisynth_wrap.h"
 
-class AvisynthAudioProvider : public AudioProvider {
+class AvisynthAudioProvider final : public AudioProvider {
 	AviSynthWrapper avs_wrapper;
 	PClip clip;
 

src/audio_provider_convert.cpp

@@ -33,7 +33,7 @@
 
 /// Anything integral -> 16 bit signed machine-endian audio converter
 template<class Target>
-class BitdepthConvertAudioProvider : public AudioProviderWrapper {
+class BitdepthConvertAudioProvider final : public AudioProviderWrapper {
 	int src_bytes_per_sample;
 public:
 	BitdepthConvertAudioProvider(std::unique_ptr<AudioProvider> src) : AudioProviderWrapper(std::move(src)) {
@@ -74,7 +74,7 @@ public:
 
 /// Floating point -> 16 bit signed machine-endian audio converter
 template<class Source, class Target>
-class FloatConvertAudioProvider : public AudioProviderWrapper {
+class FloatConvertAudioProvider final : public AudioProviderWrapper {
 public:
 	FloatConvertAudioProvider(std::unique_ptr<AudioProvider> src) : AudioProviderWrapper(std::move(src)) {
 		bytes_per_sample = sizeof(Target);
@@ -105,7 +105,7 @@ public:
 };
 
 /// Non-mono 16-bit signed machine-endian -> mono 16-bit signed machine endian converter
-class DownmixAudioProvider : public AudioProviderWrapper {
+class DownmixAudioProvider final : public AudioProviderWrapper {
 	int src_channels;
 public:
 	DownmixAudioProvider(std::unique_ptr<AudioProvider> src) : AudioProviderWrapper(std::move(src)) {
@@ -136,7 +136,7 @@ public:
 
 /// Sample doubler with linear interpolation for the agi::util::make_unique<samples>
 /// Requires 16-bit mono input
-class SampleDoublingAudioProvider : public AudioProviderWrapper {
+class SampleDoublingAudioProvider final : public AudioProviderWrapper {
 public:
 	SampleDoublingAudioProvider(std::unique_ptr<AudioProvider> src) : AudioProviderWrapper(std::move(src)) {
 		if (source->GetBytesPerSample() != 2)

src/audio_provider_dummy.h

@@ -34,7 +34,7 @@
 
 #include "include/aegisub/audio_provider.h"
 
-class DummyAudioProvider : public AudioProvider {
+class DummyAudioProvider final : public AudioProvider {
 	bool noise;
 	void FillBuffer(void *buf, int64_t start, int64_t count) const override;
 

src/audio_provider_ffmpegsource.h

@@ -39,7 +39,7 @@
 
 /// @class FFmpegSourceAudioProvider
 /// @brief Implements audio loading with the FFMS library.
-class FFmpegSourceAudioProvider : public AudioProvider, FFmpegSourceProvider {
+class FFmpegSourceAudioProvider final : public AudioProvider, FFmpegSourceProvider {
 	/// audio source object
 	agi::scoped_holder<FFMS_AudioSource*, void (FFMS_CC *)(FFMS_AudioSource*)> AudioSource;
 

src/audio_provider_hd.cpp

@@ -71,7 +71,7 @@ agi::fs::path cache_path() {
 }
 
 /// A PCM audio provider for raw dumps with no header
-class RawAudioProvider : public PCMAudioProvider {
+class RawAudioProvider final : public PCMAudioProvider {
 public:
 	RawAudioProvider(agi::fs::path const& cache_filename, AudioProvider *src)
 	: PCMAudioProvider(cache_filename)

src/audio_provider_hd.h

@@ -39,7 +39,7 @@ namespace agi {
 	class ProgressSink;
 }
 
-class HDAudioProvider : public AudioProviderWrapper {
+class HDAudioProvider final : public AudioProviderWrapper {
 	/// Name of the file which the decoded audio is written to
 	agi::fs::path diskCacheFilename;
 	/// Audio provider which reads from the decoded cache

src/audio_provider_lock.h

@@ -21,7 +21,7 @@
 #include <memory>
 #include <mutex>
 
-class LockAudioProvider : public AudioProviderWrapper {
+class LockAudioProvider final : public AudioProviderWrapper {
 	mutable std::mutex mutex;
 
 	void FillBuffer(void *buf, int64_t start, int64_t count) const override;

src/audio_provider_pcm.cpp

@@ -351,7 +351,7 @@ static const uint8_t w64Guiddata[16] = {
 /// @brief Sony Wave64 audio provider
 ///
 /// http://www.vcs.de/fileadmin/user_upload/MBS/PDF/Whitepaper/Informations_about_Sony_Wave64.pdf
-class Wave64AudioProvider : public PCMAudioProvider {
+class Wave64AudioProvider final : public PCMAudioProvider {
 	// Here's some copy-paste from the FFmpegSource2 code
 
 	/// http://msdn.microsoft.com/en-us/library/dd757720(VS.85).aspx

src/audio_provider_ram.h

@@ -42,7 +42,7 @@ namespace agi {
 	class ProgressSink;
 }
 
-class RAMAudioProvider : public AudioProviderWrapper {
+class RAMAudioProvider final : public AudioProviderWrapper {
 #ifdef _MSC_VER
 	boost::container::stable_vector<char[1 << 22]> blockcache;
 #else

src/audio_renderer_spectrum.h

@@ -52,7 +52,7 @@ struct AudioSpectrumCacheBlockFactory;
 ///
 /// Renders frequency-power spectrum graphs of PCM audio data using a derivation function
 /// such as the fast fourier transform.
-class AudioSpectrumRenderer : public AudioRendererBitmapProvider {
+class AudioSpectrumRenderer final : public AudioRendererBitmapProvider {
 	friend struct AudioSpectrumCacheBlockFactory;
 
 	/// Internal cache management for the spectrum

src/audio_renderer_waveform.h

@@ -40,7 +40,7 @@ class AudioColorScheme;
 
 #include "audio_renderer.h"
 
-class AudioWaveformRenderer : public AudioRendererBitmapProvider {
+class AudioWaveformRenderer final : public AudioRendererBitmapProvider {
 	/// Colour tables used for rendering
 	std::vector<AudioColorScheme> colors;
 

src/audio_timing_dialogue.cpp

@@ -54,7 +54,7 @@ class TimeableLine;
 ///
 /// Audio marker intended to live in pairs of two, taking styles depending
 /// on which marker in the pair is to the left and which is to the right.
-class DialogueTimingMarker : public AudioMarker {
+class DialogueTimingMarker final : public AudioMarker {
 	/// Current ms position of this marker
 	int position;
 
@@ -285,7 +285,7 @@ void DialogueTimingMarker::SetPosition(int new_position) {
 /// addition, any markers for inactive lines that start/end at the same time
 /// as the active line starts/ends can optionally be dragged along with the
 /// active line's markers, updating those lines as well.
-class AudioTimingControllerDialogue : public AudioTimingController {
+class AudioTimingControllerDialogue final : public AudioTimingController {
 	/// The rendering style for the active line's start marker
 	Pen style_left;
 	/// The rendering style for the active line's end marker

src/audio_timing_karaoke.cpp

@@ -43,7 +43,7 @@
 
 /// @class KaraokeMarker
 /// @brief AudioMarker implementation for AudioTimingControllerKaraoke
-class KaraokeMarker : public AudioMarker {
+class KaraokeMarker final : public AudioMarker {
 	int position;
 	Pen *pen;
 	FeetStyle style;
@@ -81,7 +81,7 @@ public:
 ///
 /// This does not support \kt, as it inherently requires that the end time of
 /// one syllable be the same as the start time of the next one.
-class AudioTimingControllerKaraoke : public AudioTimingController {
+class AudioTimingControllerKaraoke final : public AudioTimingController {
 	std::deque<agi::signal::Connection> slots;
 	agi::signal::Connection& file_changed_slot;
 

src/auto4_base.h

@@ -123,7 +123,7 @@ namespace Automation4 {
 
 	/// A wrapper around agi::ProgressSink which adds the ability to open
 	/// dialogs on the GUI thread
-	class ProgressSink : public agi::ProgressSink {
+	class ProgressSink final : public agi::ProgressSink {
 		agi::ProgressSink *impl;
 		BackgroundScriptRunner *bsr;
 		int trace_level;
@@ -218,7 +218,7 @@ namespace Automation4 {
 	};
 
 	/// Manager for scripts specified by a subtitle file
-	class LocalScriptManager : public ScriptManager {
+	class LocalScriptManager final : public ScriptManager {
 		std::deque<agi::signal::Connection> slots;
 		agi::Context *context;
 
@@ -229,7 +229,7 @@ namespace Automation4 {
 	};
 
 	/// Manager for scripts in the autoload directory
-	class AutoloadScriptManager : public ScriptManager {
+	class AutoloadScriptManager final : public ScriptManager {
 		std::string path;
 	public:
 		AutoloadScriptManager(std::string path);
@@ -281,7 +281,7 @@ namespace Automation4 {
 
 	/// A script which represents a file not recognized by any registered
 	/// automation engines
-	class UnknownScript : public Script {
+	class UnknownScript final : public Script {
 	public:
 		UnknownScript(agi::fs::path const& filename) : Script(filename) { }
 

src/auto4_lua.cpp

@@ -300,7 +300,7 @@ int luaopen_lpeg (lua_State *L);
 namespace Automation4 {
 	int regex_init(lua_State *L);
 
-	class LuaScript : public Script {
+	class LuaScript final : public Script {
 		lua_State *L;
 
 		std::string name;

src/auto4_lua.h

@@ -200,7 +200,7 @@ namespace Automation4 {
 	};
 
 	/// A lua-generated dialog or panel in the export options dialog
-	class LuaDialog : public ScriptDialog {
+	class LuaDialog final : public ScriptDialog {
 		/// Controls in this dialog
 		std::vector<std::unique_ptr<LuaDialogControl>> controls;
 		/// The names and IDs of buttons in this dialog if non-default ones were used
@@ -250,7 +250,7 @@ namespace Automation4 {
 	/// @throws agi::UserCancelException if the function fails to run to completion (either due to cancelling or errors)
 	void LuaThreadedCall(lua_State *L, int nargs, int nresults, std::string const& title, wxWindow *parent, bool can_open_config);
 
-	class LuaCommand : public cmd::Command, private LuaFeature {
+	class LuaCommand final : public cmd::Command, private LuaFeature {
 		std::string cmd_name;
 		wxString display;
 		wxString help;
@@ -274,7 +274,7 @@ namespace Automation4 {
 		static int LuaRegister(lua_State *L);
 	};
 
-	class LuaExportFilter : public ExportFilter, private LuaFeature {
+	class LuaExportFilter final : public ExportFilter, private LuaFeature {
 		bool has_config;
 		LuaDialog *config_dialog;
 

src/auto4_lua_dialog.cpp

@@ -141,7 +141,7 @@ namespace Automation4 {
 
 	namespace LuaControl {
 		/// A static text label
-		class Label : public LuaDialogControl {
+		class Label final : public LuaDialogControl {
 			std::string label;
 		public:
 			Label(lua_State *L) : LuaDialogControl(L), label(get_field(L, "label")) { }
@@ -193,7 +193,7 @@ namespace Automation4 {
 		};
 
 		/// A color-picker button
-		class Color : public LuaDialogControl {
+		class Color final : public LuaDialogControl {
 			agi::Color color;
 			bool alpha;
 
@@ -221,7 +221,7 @@ namespace Automation4 {
 		};
 
 		/// A multiline text edit control
-		class Textbox : public Edit {
+		class Textbox final : public Edit {
 		public:
 			Textbox(lua_State *L) : Edit(L) { }
 
@@ -236,7 +236,7 @@ namespace Automation4 {
 
 
 		/// Integer only edit
-		class IntEdit : public Edit {
+		class IntEdit final : public Edit {
 			wxSpinCtrl *cw;
 			int value;
 			int min, max;
@@ -272,14 +272,14 @@ namespace Automation4 {
 		};
 
 		// Float only edit
-		class FloatEdit : public Edit {
+		class FloatEdit final : public Edit {
 			double value;
 			double min;
 			double max;
 			double step;
 			wxSpinCtrlDouble *scd;
 
-			struct DoubleValidator : public wxValidator {
+			struct DoubleValidator final : public wxValidator {
 				double *value;
 				DoubleValidator(double *value) : value(value) { }
 				wxValidator *Clone() const override { return new DoubleValidator(value); }
@@ -341,7 +341,7 @@ namespace Automation4 {
 		};
 
 		/// A dropdown list
-		class Dropdown : public LuaDialogControl {
+		class Dropdown final : public LuaDialogControl {
 			std::vector<std::string> items;
 			std::string value;
 			wxComboBox *cw;
@@ -371,7 +371,7 @@ namespace Automation4 {
 			}
 		};
 
-		class Checkbox : public LuaDialogControl {
+		class Checkbox final : public LuaDialogControl {
 			std::string label;
 			bool value;
 			wxCheckBox *cw;

src/auto4_lua_factory.h

@@ -35,7 +35,7 @@
 #include "auto4_base.h"
 
 namespace Automation4 {
-	class LuaScriptFactory : public ScriptFactory {
+	class LuaScriptFactory final : public ScriptFactory {
 		std::unique_ptr<Script> Produce(agi::fs::path const& filename) const override;
 	public:
 		LuaScriptFactory();

src/base_grid.h

@@ -49,7 +49,7 @@ namespace agi {
 }
 class AssDialogue;
 
-class BaseGrid : public wxWindow, public SubtitleSelectionController {
+class BaseGrid final : public wxWindow, public SubtitleSelectionController {
 	int lineHeight = 1;     ///< Height of a line in pixels in the current font
 	bool holding = false;   ///< Is a drag selection in process?
 	wxFont font;            ///< Current grid font

src/colour_button.h

@@ -43,7 +43,7 @@ public:
 	agi::Color GetColor() { return colour; }
 };
 
-struct ColorValidator : public wxValidator {
+struct ColorValidator final : public wxValidator {
 	agi::Color *color;
 	ColorValidator(agi::Color *color) : color(color) { }
 	wxValidator *Clone() const override { return new ColorValidator(color); }

src/command/app.cpp

@@ -57,7 +57,7 @@
 namespace {
 	using cmd::Command;
 
-struct app_about : public Command {
+struct app_about final : public Command {
 	CMD_NAME("app/about")
 	CMD_ICON(about_menu)
 	STR_MENU("&About")
@@ -69,7 +69,7 @@ struct app_about : public Command {
 	}
 };
 
-struct app_display_audio_subs : public Command {
+struct app_display_audio_subs final : public Command {
 	CMD_NAME("app/display/audio_subs")
 	STR_MENU("&Audio+Subs View")
 	STR_DISP("Audio+Subs View")
@@ -89,7 +89,7 @@ struct app_display_audio_subs : public Command {
 	}
 };
 
-struct app_display_full : public Command {
+struct app_display_full final : public Command {
 	CMD_NAME("app/display/full")
 	STR_MENU("&Full view")
 	STR_DISP("Full view")
@@ -109,7 +109,7 @@ struct app_display_full : public Command {
 	}
 };
 
-struct app_display_subs : public Command {
+struct app_display_subs final : public Command {
 	CMD_NAME("app/display/subs")
 	STR_MENU("S&ubs Only View")
 	STR_DISP("Subs Only View")
@@ -125,7 +125,7 @@ struct app_display_subs : public Command {
 	}
 };
 
-struct app_display_video_subs : public Command {
+struct app_display_video_subs final : public Command {
 	CMD_NAME("app/display/video_subs")
 	STR_MENU("&Video+Subs View")
 	STR_DISP("Video+Subs View")
@@ -145,7 +145,7 @@ struct app_display_video_subs : public Command {
 	}
 };
 
-struct app_exit : public Command {
+struct app_exit final : public Command {
 	CMD_NAME("app/exit")
 	STR_MENU("E&xit")
 	STR_DISP("Exit")
@@ -156,7 +156,7 @@ struct app_exit : public Command {
 	}
 };
 
-struct app_language : public Command {
+struct app_language final : public Command {
 	CMD_NAME("app/language")
 	CMD_ICON(languages_menu)
 	STR_MENU("&Language...")
@@ -181,7 +181,7 @@ struct app_language : public Command {
 	}
 };
 
-struct app_log : public Command {
+struct app_log final : public Command {
 	CMD_NAME("app/log")
 	CMD_ICON(about_menu)
 	STR_MENU("&Log window")
@@ -193,7 +193,7 @@ struct app_log : public Command {
 	}
 };
 
-struct app_new_window : public Command {
+struct app_new_window final : public Command {
 	CMD_NAME("app/new_window")
 	CMD_ICON(new_window_menu)
 	STR_MENU("New &Window")
@@ -205,7 +205,7 @@ struct app_new_window : public Command {
 	}
 };
 
-struct app_options : public Command {
+struct app_options final : public Command {
 	CMD_NAME("app/options")
 	CMD_ICON(options_button)
 	STR_MENU("&Options...")
@@ -221,7 +221,7 @@ struct app_options : public Command {
 	}
 };
 
-struct app_toggle_global_hotkeys : public Command {
+struct app_toggle_global_hotkeys final : public Command {
 	CMD_NAME("app/toggle/global_hotkeys")
 	CMD_ICON(toggle_audio_medusa)
 	STR_MENU("Toggle global hotkey overrides")
@@ -239,7 +239,7 @@ struct app_toggle_global_hotkeys : public Command {
 	}
 };
 
-struct app_toggle_toolbar : public Command {
+struct app_toggle_toolbar final : public Command {
 	CMD_NAME("app/toggle/toolbar")
 	STR_HELP("Toggle the main toolbar")
 	CMD_TYPE(COMMAND_DYNAMIC_NAME)
@@ -260,7 +260,7 @@ struct app_toggle_toolbar : public Command {
 	}
 };
 
-struct app_updates : public Command {
+struct app_updates final : public Command {
 	CMD_NAME("app/updates")
 	STR_MENU("&Check for Updates...")
 	STR_DISP("Check for Updates")

src/command/audio.cpp

@@ -60,7 +60,7 @@ namespace {
 		}
 	};
 
-struct audio_close : public validate_audio_open {
+struct audio_close final : public validate_audio_open {
 	CMD_NAME("audio/close")
 	CMD_ICON(close_audio_menu)
 	STR_MENU("&Close Audio")
@@ -72,7 +72,7 @@ struct audio_close : public validate_audio_open {
 	}
 };
 
-struct audio_open : public Command {
+struct audio_open final : public Command {
 	CMD_NAME("audio/open")
 	CMD_ICON(open_audio_menu)
 	STR_MENU("&Open Audio File...")
@@ -96,7 +96,7 @@ struct audio_open : public Command {
 	}
 };
 
-struct audio_open_blank : public Command {
+struct audio_open_blank final : public Command {
 	CMD_NAME("audio/open/blank")
 	STR_MENU("Open 2h30 Blank Audio")
 	STR_DISP("Open 2h30 Blank Audio")
@@ -112,7 +112,7 @@ struct audio_open_blank : public Command {
 	}
 };
 
-struct audio_open_noise : public Command {
+struct audio_open_noise final : public Command {
 	CMD_NAME("audio/open/noise")
 	STR_MENU("Open 2h30 Noise Audio")
 	STR_DISP("Open 2h30 Noise Audio")
@@ -128,7 +128,7 @@ struct audio_open_noise : public Command {
 	}
 };
 
-struct audio_open_video : public Command {
+struct audio_open_video final : public Command {
 	CMD_NAME("audio/open/video")
 	CMD_ICON(open_audio_from_video_menu)
 	STR_MENU("Open Audio from &Video")
@@ -151,7 +151,7 @@ struct audio_open_video : public Command {
 	}
 };
 
-struct audio_view_spectrum : public Command {
+struct audio_view_spectrum final : public Command {
 	CMD_NAME("audio/view/spectrum")
 	STR_MENU("&Spectrum Display")
 	STR_DISP("Spectrum Display")
@@ -167,7 +167,7 @@ struct audio_view_spectrum : public Command {
 	}
 };
 
-struct audio_view_waveform : public Command {
+struct audio_view_waveform final : public Command {
 	CMD_NAME("audio/view/waveform")
 	STR_MENU("&Waveform Display")
 	STR_DISP("Waveform Display")
@@ -183,7 +183,7 @@ struct audio_view_waveform : public Command {
 	}
 };
 
-struct audio_save_clip : public Command {
+struct audio_save_clip final : public Command {
 	CMD_NAME("audio/save/clip")
 	STR_MENU("Create audio clip")
 	STR_DISP("Create audio clip")
@@ -210,7 +210,7 @@ struct audio_save_clip : public Command {
 	}
 };
 
-struct audio_play_current_selection : public validate_audio_open {
+struct audio_play_current_selection final : public validate_audio_open {
 	CMD_NAME("audio/play/current")
 	STR_MENU("Play current audio selection")
 	STR_DISP("Play current audio selection")
@@ -222,7 +222,7 @@ struct audio_play_current_selection : public validate_audio_open {
 	}
 };
 
-struct audio_play_current_line : public validate_audio_open {
+struct audio_play_current_line final : public validate_audio_open {
 	CMD_NAME("audio/play/line")
 	CMD_ICON(button_playline)
 	STR_MENU("Play current line")
@@ -237,7 +237,7 @@ struct audio_play_current_line : public validate_audio_open {
 	}
 };
 
-struct audio_play_selection : public validate_audio_open {
+struct audio_play_selection final : public validate_audio_open {
 	CMD_NAME("audio/play/selection")
 	CMD_ICON(button_playsel)
 	STR_MENU("Play audio selection")
@@ -250,7 +250,7 @@ struct audio_play_selection : public validate_audio_open {
 	}
 };
 
-struct audio_play_toggle : public validate_audio_open {
+struct audio_play_toggle final : public validate_audio_open {
 	CMD_NAME("audio/play/toggle")
 	STR_MENU("Play audio selection or stop")
 	STR_DISP("Play audio selection or stop")
@@ -266,7 +266,7 @@ struct audio_play_toggle : public validate_audio_open {
 	}
 };
 
-struct audio_stop : public Command {
+struct audio_stop final : public Command {
 	CMD_NAME("audio/stop")
 	CMD_ICON(button_stop)
 	STR_MENU("Stop playing")
@@ -284,7 +284,7 @@ struct audio_stop : public Command {
 	}
 };
 
-struct audio_play_before : public validate_audio_open {
+struct audio_play_before final : public validate_audio_open {
 	CMD_NAME("audio/play/selection/before")
 	CMD_ICON(button_playfivehbefore)
 	STR_MENU("Play 500 ms before selection")
@@ -298,7 +298,7 @@ struct audio_play_before : public validate_audio_open {
 	}
 };
 
-struct audio_play_after : public validate_audio_open {
+struct audio_play_after final : public validate_audio_open {
 	CMD_NAME("audio/play/selection/after")
 	CMD_ICON(button_playfivehafter)
 	STR_MENU("Play 500 ms after selection")
@@ -312,7 +312,7 @@ struct audio_play_after : public validate_audio_open {
 	}
 };
 
-struct audio_play_end : public validate_audio_open {
+struct audio_play_end final : public validate_audio_open {
 	CMD_NAME("audio/play/selection/end")
 	CMD_ICON(button_playlastfiveh)
 	STR_MENU("Play last 500 ms of selection")
@@ -326,7 +326,7 @@ struct audio_play_end : public validate_audio_open {
 	}
 };
 
-struct audio_play_begin : public validate_audio_open {
+struct audio_play_begin final : public validate_audio_open {
 	CMD_NAME("audio/play/selection/begin")
 	CMD_ICON(button_playfirstfiveh)
 	STR_MENU("Play first 500 ms of selection")
@@ -342,7 +342,7 @@ struct audio_play_begin : public validate_audio_open {
 	}
 };
 
-struct audio_play_to_end : public validate_audio_open {
+struct audio_play_to_end final : public validate_audio_open {
 	CMD_NAME("audio/play/to_end")
 	CMD_ICON(button_playtoend)
 	STR_MENU("Play from selection start to end of file")
@@ -355,7 +355,7 @@ struct audio_play_to_end : public validate_audio_open {
 	}
 };
 
-struct audio_commit : public validate_audio_open {
+struct audio_commit final : public validate_audio_open {
 	CMD_NAME("audio/commit")
 	CMD_ICON(button_audio_commit)
 	STR_MENU("Commit")
@@ -372,7 +372,7 @@ struct audio_commit : public validate_audio_open {
 	}
 };
 
-struct audio_commit_default : public validate_audio_open {
+struct audio_commit_default final : public validate_audio_open {
 	CMD_NAME("audio/commit/default")
 	STR_MENU("Commit and use default timing for next line")
 	STR_DISP("Commit and use default timing for next line")
@@ -387,7 +387,7 @@ struct audio_commit_default : public validate_audio_open {
 	}
 };
 
-struct audio_commit_next : public validate_audio_open {
+struct audio_commit_next final : public validate_audio_open {
 	CMD_NAME("audio/commit/next")
 	STR_MENU("Commit and move to next line")
 	STR_DISP("Commit and move to next line")
@@ -402,7 +402,7 @@ struct audio_commit_next : public validate_audio_open {
 	}
 };
 
-struct audio_commit_stay : public validate_audio_open {
+struct audio_commit_stay final : public validate_audio_open {
 	CMD_NAME("audio/commit/stay")
 	STR_MENU("Commit and stay on current line")
 	STR_DISP("Commit and stay on current line")
@@ -414,7 +414,7 @@ struct audio_commit_stay : public validate_audio_open {
 	}
 };
 
-struct audio_go_to : public validate_audio_open {
+struct audio_go_to final : public validate_audio_open {
 	CMD_NAME("audio/go_to")
 	CMD_ICON(button_audio_goto)
 	STR_MENU("Go to selection")
@@ -426,7 +426,7 @@ struct audio_go_to : public validate_audio_open {
 	}
 };
 
-struct audio_scroll_left : public validate_audio_open {
+struct audio_scroll_left final : public validate_audio_open {
 	CMD_NAME("audio/scroll/left")
 		STR_MENU("Scroll left")
 		STR_DISP("Scroll left")
@@ -437,7 +437,7 @@ struct audio_scroll_left : public validate_audio_open {
 	}
 };
 
-struct audio_scroll_right : public validate_audio_open {
+struct audio_scroll_right final : public validate_audio_open {
 	CMD_NAME("audio/scroll/right")
 		STR_MENU("Scroll right")
 		STR_DISP("Scroll right")
@@ -452,7 +452,7 @@ static inline void toggle(const char *opt) {
 	OPT_SET(opt)->SetBool(!OPT_GET(opt)->GetBool());
 }
 
-struct audio_autoscroll : public Command {
+struct audio_autoscroll final : public Command {
 	CMD_NAME("audio/opt/autoscroll")
 	CMD_ICON(toggle_audio_autoscroll)
 	STR_MENU("Auto scroll audio display to selected line")
@@ -469,7 +469,7 @@ struct audio_autoscroll : public Command {
 	}
 };
 
-struct audio_autocommit : public Command {
+struct audio_autocommit final : public Command {
 	CMD_NAME("audio/opt/autocommit")
 	CMD_ICON(toggle_audio_autocommit)
 	STR_MENU("Automatically commit all changes")
@@ -486,7 +486,7 @@ struct audio_autocommit : public Command {
 	}
 };
 
-struct audio_autonext : public Command {
+struct audio_autonext final : public Command {
 	CMD_NAME("audio/opt/autonext")
 	CMD_ICON(toggle_audio_nextcommit)
 	STR_MENU("Auto go to next line on commit")
@@ -503,7 +503,7 @@ struct audio_autonext : public Command {
 	}
 };
 
-struct audio_toggle_spectrum : public Command {
+struct audio_toggle_spectrum final : public Command {
 	CMD_NAME("audio/opt/spectrum")
 	CMD_ICON(toggle_audio_spectrum)
 	STR_MENU("Spectrum analyzer mode")
@@ -520,7 +520,7 @@ struct audio_toggle_spectrum : public Command {
 	}
 };
 
-struct audio_vertical_link : public Command {
+struct audio_vertical_link final : public Command {
 	CMD_NAME("audio/opt/vertical_link")
 	CMD_ICON(toggle_audio_link)
 	STR_MENU("Link vertical zoom and volume sliders")
@@ -537,7 +537,7 @@ struct audio_vertical_link : public Command {
 	}
 };
 
-struct audio_karaoke : public Command {
+struct audio_karaoke final : public Command {
 	CMD_NAME("audio/karaoke")
 	CMD_ICON(kara_mode)
 	STR_MENU("Toggle karaoke mode")

src/command/automation.cpp

@@ -49,7 +49,7 @@
 namespace {
 	using cmd::Command;
 
-struct reload_all : public Command {
+struct reload_all final : public Command {
 	CMD_NAME("am/reload")
 	STR_MENU("&Reload Automation scripts")
 	STR_DISP("Reload Automation scripts")
@@ -62,7 +62,7 @@ struct reload_all : public Command {
 	}
 };
 
-struct reload_autoload : public Command {
+struct reload_autoload final : public Command {
 	CMD_NAME("am/reload/autoload")
 	STR_MENU("R&eload autoload Automation scripts")
 	STR_DISP("Reload autoload Automation scripts")
@@ -74,7 +74,7 @@ struct reload_autoload : public Command {
 	}
 };
 
-struct open_manager : public Command {
+struct open_manager final : public Command {
 	CMD_NAME("am/manager")
 	CMD_ICON(automation_toolbutton)
 	STR_MENU("&Automation...")
@@ -86,7 +86,7 @@ struct open_manager : public Command {
 	}
 };
 
-struct meta : public Command {
+struct meta final : public Command {
 	CMD_NAME("am/meta")
 	CMD_ICON(automation_toolbutton)
 	STR_MENU("&Automation...")

src/command/command.h

@@ -43,7 +43,7 @@ namespace agi { struct Context; }
 }
 
 #define COMMAND_GROUP(cname, cmdname, menu, disp, help) \
-struct cname : public Command {                         \
+struct cname final : public Command {                         \
 	CMD_NAME(cmdname)                                   \
 	STR_MENU(menu)                                      \
 	STR_DISP(disp)                                      \

src/command/edit.cpp

@@ -331,7 +331,7 @@ void show_color_picker(const agi::Context *c, agi::Color (AssStyle::*field), con
 	}
 }
 
-struct edit_color_primary : public Command {
+struct edit_color_primary final : public Command {
 	CMD_NAME("edit/color/primary")
 	CMD_ICON(button_color_one)
 	STR_MENU("Primary Color...")
@@ -343,7 +343,7 @@ struct edit_color_primary : public Command {
 	}
 };
 
-struct edit_color_secondary : public Command {
+struct edit_color_secondary final : public Command {
 	CMD_NAME("edit/color/secondary")
 	CMD_ICON(button_color_two)
 	STR_MENU("Secondary Color...")
@@ -355,7 +355,7 @@ struct edit_color_secondary : public Command {
 	}
 };
 
-struct edit_color_outline : public Command {
+struct edit_color_outline final : public Command {
 	CMD_NAME("edit/color/outline")
 	CMD_ICON(button_color_three)
 	STR_MENU("Outline Color...")
@@ -367,7 +367,7 @@ struct edit_color_outline : public Command {
 	}
 };
 
-struct edit_color_shadow : public Command {
+struct edit_color_shadow final : public Command {
 	CMD_NAME("edit/color/shadow")
 	CMD_ICON(button_color_four)
 	STR_MENU("Shadow Color...")
@@ -379,7 +379,7 @@ struct edit_color_shadow : public Command {
 	}
 };
 
-struct edit_style_bold : public Command {
+struct edit_style_bold final : public Command {
 	CMD_NAME("edit/style/bold")
 	CMD_ICON(button_bold)
 	STR_MENU("Toggle Bold")
@@ -391,7 +391,7 @@ struct edit_style_bold : public Command {
 	}
 };
 
-struct edit_style_italic : public Command {
+struct edit_style_italic final : public Command {
 	CMD_NAME("edit/style/italic")
 	CMD_ICON(button_italics)
 	STR_MENU("Toggle Italics")
@@ -403,7 +403,7 @@ struct edit_style_italic : public Command {
 	}
 };
 
-struct edit_style_underline : public Command {
+struct edit_style_underline final : public Command {
 	CMD_NAME("edit/style/underline")
 	CMD_ICON(button_underline)
 	STR_MENU("Toggle Underline")
@@ -415,7 +415,7 @@ struct edit_style_underline : public Command {
 	}
 };
 
-struct edit_style_strikeout : public Command {
+struct edit_style_strikeout final : public Command {
 	CMD_NAME("edit/style/strikeout")
 	CMD_ICON(button_strikeout)
 	STR_MENU("Toggle Strikeout")
@@ -427,7 +427,7 @@ struct edit_style_strikeout : public Command {
 	}
 };
 
-struct edit_font : public Command {
+struct edit_font final : public Command {
 	CMD_NAME("edit/font")
 	CMD_ICON(button_fontname)
 	STR_MENU("Font Face...")
@@ -473,7 +473,7 @@ struct edit_font : public Command {
 	}
 };
 
-struct edit_find_replace : public Command {
+struct edit_find_replace final : public Command {
 	CMD_NAME("edit/find_replace")
 	CMD_ICON(find_replace_menu)
 	STR_MENU("Find and R&eplace...")
@@ -539,7 +539,7 @@ static void delete_lines(agi::Context *c, wxString const& commit_message) {
 	c->selectionController->SetSelectionAndActive({ new_active }, new_active);
 }
 
-struct edit_line_copy : public validate_sel_nonempty {
+struct edit_line_copy final : public validate_sel_nonempty {
 	CMD_NAME("edit/line/copy")
 	CMD_ICON(copy_button)
 	STR_MENU("&Copy Lines")
@@ -579,7 +579,7 @@ struct edit_line_cut: public validate_sel_nonempty {
 	}
 };
 
-struct edit_line_delete : public validate_sel_nonempty {
+struct edit_line_delete final : public validate_sel_nonempty {
 	CMD_NAME("edit/line/delete")
 	CMD_ICON(delete_button)
 	STR_MENU("De&lete Lines")
@@ -657,7 +657,7 @@ static void duplicate_lines(agi::Context *c, int shift) {
 	c->selectionController->SetSelectionAndActive(std::move(new_sel), new_active);
 }
 
-struct edit_line_duplicate : public validate_sel_nonempty {
+struct edit_line_duplicate final : public validate_sel_nonempty {
 	CMD_NAME("edit/line/duplicate")
 	STR_MENU("&Duplicate Lines")
 	STR_DISP("Duplicate Lines")
@@ -668,7 +668,7 @@ struct edit_line_duplicate : public validate_sel_nonempty {
 	}
 };
 
-struct edit_line_duplicate_shift : public validate_video_and_sel_nonempty {
+struct edit_line_duplicate_shift final : public validate_video_and_sel_nonempty {
 	CMD_NAME("edit/line/split/after")
 	STR_MENU("Split lines after current frame")
 	STR_DISP("Split lines after current frame")
@@ -680,7 +680,7 @@ struct edit_line_duplicate_shift : public validate_video_and_sel_nonempty {
 	}
 };
 
-struct edit_line_duplicate_shift_back : public validate_video_and_sel_nonempty {
+struct edit_line_duplicate_shift_back final : public validate_video_and_sel_nonempty {
 	CMD_NAME("edit/line/split/before")
 	STR_MENU("Split lines before current frame")
 	STR_DISP("Split lines before current frame")
@@ -724,7 +724,7 @@ static void combine_concat(AssDialogue *first, AssDialogue *second) {
 
 static void combine_drop(AssDialogue *, AssDialogue *) { }
 
-struct edit_line_join_as_karaoke : public validate_sel_multiple {
+struct edit_line_join_as_karaoke final : public validate_sel_multiple {
 	CMD_NAME("edit/line/join/as_karaoke")
 	STR_MENU("As &Karaoke")
 	STR_DISP("As Karaoke")
@@ -735,7 +735,7 @@ struct edit_line_join_as_karaoke : public validate_sel_multiple {
 	}
 };
 
-struct edit_line_join_concatenate : public validate_sel_multiple {
+struct edit_line_join_concatenate final : public validate_sel_multiple {
 	CMD_NAME("edit/line/join/concatenate")
 	STR_MENU("&Concatenate")
 	STR_DISP("Concatenate")
@@ -746,7 +746,7 @@ struct edit_line_join_concatenate : public validate_sel_multiple {
 	}
 };
 
-struct edit_line_join_keep_first : public validate_sel_multiple {
+struct edit_line_join_keep_first final : public validate_sel_multiple {
 	CMD_NAME("edit/line/join/keep_first")
 	STR_MENU("Keep &First")
 	STR_DISP("Keep First")
@@ -788,7 +788,7 @@ static bool try_paste_lines(agi::Context *c) {
 	return true;
 }
 
-struct edit_line_paste : public Command {
+struct edit_line_paste final : public Command {
 	CMD_NAME("edit/line/paste")
 	CMD_ICON(paste_button)
 	STR_MENU("&Paste Lines")
@@ -820,7 +820,7 @@ struct edit_line_paste : public Command {
 	}
 };
 
-struct edit_line_paste_over : public Command {
+struct edit_line_paste_over final : public Command {
 	CMD_NAME("edit/line/paste/over")
 	STR_MENU("Paste Lines &Over...")
 	STR_DISP("Paste Lines Over")
@@ -913,7 +913,7 @@ bool check_end(AssDialogue *d1, AssDialogue *d2) {
 
 }
 
-struct edit_line_recombine : public validate_sel_multiple {
+struct edit_line_recombine final : public validate_sel_multiple {
 	CMD_NAME("edit/line/recombine")
 	STR_MENU("Recom&bine Lines")
 	STR_DISP("Recombine Lines")
@@ -991,7 +991,7 @@ struct edit_line_recombine : public validate_sel_multiple {
 	}
 };
 
-struct edit_line_split_by_karaoke : public validate_sel_nonempty {
+struct edit_line_split_by_karaoke final : public validate_sel_nonempty {
 	CMD_NAME("edit/line/split/by_karaoke")
 	STR_MENU("Split Lines (by karaoke)")
 	STR_DISP("Split Lines (by karaoke)")
@@ -1019,7 +1019,7 @@ void split_lines(agi::Context *c, Func&& set_time) {
 	c->ass->Commit(_("split"), AssFile::COMMIT_DIAG_ADDREM | AssFile::COMMIT_DIAG_FULL);
 }
 
-struct edit_line_split_estimate : public validate_video_and_sel_nonempty {
+struct edit_line_split_estimate final : public validate_video_and_sel_nonempty {
 	CMD_NAME("edit/line/split/estimate")
 	STR_MENU("Split at cursor (estimate times)")
 	STR_DISP("Split at cursor (estimate times)")
@@ -1035,7 +1035,7 @@ struct edit_line_split_estimate : public validate_video_and_sel_nonempty {
 	}
 };
 
-struct edit_line_split_preserve : public validate_sel_nonempty {
+struct edit_line_split_preserve final : public validate_sel_nonempty {
 	CMD_NAME("edit/line/split/preserve")
 	STR_MENU("Split at cursor (preserve times)")
 	STR_DISP("Split at cursor (preserve times)")
@@ -1046,7 +1046,7 @@ struct edit_line_split_preserve : public validate_sel_nonempty {
 	}
 };
 
-struct edit_line_split_video : public validate_video_and_sel_nonempty {
+struct edit_line_split_video final : public validate_video_and_sel_nonempty {
 	CMD_NAME("edit/line/split/video")
 	STR_MENU("Split at cursor (at video frame)")
 	STR_DISP("Split at cursor (at video frame)")
@@ -1063,7 +1063,7 @@ struct edit_line_split_video : public validate_video_and_sel_nonempty {
 	}
 };
 
-struct edit_redo : public Command {
+struct edit_redo final : public Command {
 	CMD_NAME("edit/redo")
 	CMD_ICON(redo_button)
 	STR_HELP("Redo last undone action")
@@ -1089,7 +1089,7 @@ struct edit_redo : public Command {
 	}
 };
 
-struct edit_undo : public Command {
+struct edit_undo final : public Command {
 	CMD_NAME("edit/undo")
 	CMD_ICON(undo_button)
 	STR_HELP("Undo last action")
@@ -1115,7 +1115,7 @@ struct edit_undo : public Command {
 	}
 };
 
-struct edit_revert : public Command {
+struct edit_revert final : public Command {
 	CMD_NAME("edit/revert")
 	STR_DISP("Revert")
 	STR_MENU("Revert")
@@ -1128,7 +1128,7 @@ struct edit_revert : public Command {
 	}
 };
 
-struct edit_clear : public Command {
+struct edit_clear final : public Command {
 	CMD_NAME("edit/clear")
 	STR_DISP("Clear")
 	STR_MENU("Clear")
@@ -1142,7 +1142,7 @@ struct edit_clear : public Command {
 };
 
 std::string get_text(AssDialogueBlock &d) { return d.GetText(); }
-struct edit_clear_text : public Command {
+struct edit_clear_text final : public Command {
 	CMD_NAME("edit/clear/text")
 	STR_DISP("Clear Text")
 	STR_MENU("Clear Text")
@@ -1159,7 +1159,7 @@ struct edit_clear_text : public Command {
 	}
 };
 
-struct edit_insert_original : public Command {
+struct edit_insert_original final : public Command {
 	CMD_NAME("edit/insert_original")
 	STR_DISP("Insert Original")
 	STR_MENU("Insert Original")

src/command/grid.cpp

@@ -48,7 +48,7 @@
 namespace {
 	using cmd::Command;
 
-struct grid_line_next : public Command {
+struct grid_line_next final : public Command {
 	CMD_NAME("grid/line/next")
 	STR_MENU("Next Line")
 	STR_DISP("Next Line")
@@ -59,7 +59,7 @@ struct grid_line_next : public Command {
 	}
 };
 
-struct grid_line_next_create : public Command {
+struct grid_line_next_create final : public Command {
 	CMD_NAME("grid/line/next/create")
 	CMD_ICON(button_audio_commit)
 	STR_MENU("Next Line")
@@ -87,7 +87,7 @@ struct grid_line_next_create : public Command {
 	}
 };
 
-struct grid_line_prev : public Command {
+struct grid_line_prev final : public Command {
 	CMD_NAME("grid/line/prev")
 	STR_MENU("Previous Line")
 	STR_DISP("Previous Line")
@@ -98,7 +98,7 @@ struct grid_line_prev : public Command {
 	}
 };
 
-struct grid_sort_actor : public Command {
+struct grid_sort_actor final : public Command {
 	CMD_NAME("grid/sort/actor")
 	STR_MENU("&Actor Name")
 	STR_DISP("Actor Name")
@@ -118,7 +118,7 @@ struct validate_sel_multiple : public Command {
 	}
 };
 
-struct grid_sort_actor_selected : public validate_sel_multiple {
+struct grid_sort_actor_selected final : public validate_sel_multiple {
 	CMD_NAME("grid/sort/actor/selected")
 	STR_MENU("&Actor Name")
 	STR_DISP("Actor Name")
@@ -130,7 +130,7 @@ struct grid_sort_actor_selected : public validate_sel_multiple {
 	}
 };
 
-struct grid_sort_effect : public Command {
+struct grid_sort_effect final : public Command {
 	CMD_NAME("grid/sort/effect")
 	STR_MENU("&Effect")
 	STR_DISP("Effect")
@@ -142,7 +142,7 @@ struct grid_sort_effect : public Command {
 	}
 };
 
-struct grid_sort_effect_selected : public validate_sel_multiple {
+struct grid_sort_effect_selected final : public validate_sel_multiple {
 	CMD_NAME("grid/sort/effect/selected")
 	STR_MENU("&Effect")
 	STR_DISP("Effect")
@@ -154,7 +154,7 @@ struct grid_sort_effect_selected : public validate_sel_multiple {
 	}
 };
 
-struct grid_sort_end : public Command {
+struct grid_sort_end final : public Command {
 	CMD_NAME("grid/sort/end")
 	STR_MENU("&End Time")
 	STR_DISP("End Time")
@@ -166,7 +166,7 @@ struct grid_sort_end : public Command {
 	}
 };
 
-struct grid_sort_end_selected : public validate_sel_multiple {
+struct grid_sort_end_selected final : public validate_sel_multiple {
 	CMD_NAME("grid/sort/end/selected")
 	STR_MENU("&End Time")
 	STR_DISP("End Time")
@@ -178,7 +178,7 @@ struct grid_sort_end_selected : public validate_sel_multiple {
 	}
 };
 
-struct grid_sort_layer : public Command {
+struct grid_sort_layer final : public Command {
 	CMD_NAME("grid/sort/layer")
 	STR_MENU("&Layer")
 	STR_DISP("Layer")
@@ -190,7 +190,7 @@ struct grid_sort_layer : public Command {
 	}
 };
 
-struct grid_sort_layer_selected : public validate_sel_multiple {
+struct grid_sort_layer_selected final : public validate_sel_multiple {
 	CMD_NAME("grid/sort/layer/selected")
 	STR_MENU("&Layer")
 	STR_DISP("Layer")
@@ -202,7 +202,7 @@ struct grid_sort_layer_selected : public validate_sel_multiple {
 	}
 };
 
-struct grid_sort_start : public Command {
+struct grid_sort_start final : public Command {
 	CMD_NAME("grid/sort/start")
 	STR_MENU("&Start Time")
 	STR_DISP("Start Time")
@@ -214,7 +214,7 @@ struct grid_sort_start : public Command {
 	}
 };
 
-struct grid_sort_start_selected : public validate_sel_multiple {
+struct grid_sort_start_selected final : public validate_sel_multiple {
 	CMD_NAME("grid/sort/start/selected")
 	STR_MENU("&Start Time")
 	STR_DISP("Start Time")
@@ -226,7 +226,7 @@ struct grid_sort_start_selected : public validate_sel_multiple {
 	}
 };
 
-struct grid_sort_style : public Command {
+struct grid_sort_style final : public Command {
 	CMD_NAME("grid/sort/style")
 	STR_MENU("St&yle Name")
 	STR_DISP("Style Name")
@@ -238,7 +238,7 @@ struct grid_sort_style : public Command {
 	}
 };
 
-struct grid_sort_style_selected : public validate_sel_multiple {
+struct grid_sort_style_selected final : public validate_sel_multiple {
 	CMD_NAME("grid/sort/style/selected")
 	STR_MENU("St&yle Name")
 	STR_DISP("Style Name")
@@ -250,7 +250,7 @@ struct grid_sort_style_selected : public validate_sel_multiple {
 	}
 };
 
-struct grid_tag_cycle_hiding : public Command {
+struct grid_tag_cycle_hiding final : public Command {
 	CMD_NAME("grid/tag/cycle_hiding")
 	CMD_ICON(toggle_tag_hiding)
 	STR_MENU("Cycle Tag Hiding Mode")
@@ -275,7 +275,7 @@ struct grid_tag_cycle_hiding : public Command {
 	}
 };
 
-struct grid_tags_hide : public Command {
+struct grid_tags_hide final : public Command {
 	CMD_NAME("grid/tags/hide")
 	STR_MENU("&Hide Tags")
 	STR_DISP("Hide Tags")
@@ -291,7 +291,7 @@ struct grid_tags_hide : public Command {
 	}
 };
 
-struct grid_tags_show : public Command {
+struct grid_tags_show final : public Command {
 	CMD_NAME("grid/tags/show")
 	STR_MENU("Sh&ow Tags")
 	STR_DISP("Show Tags")
@@ -307,7 +307,7 @@ struct grid_tags_show : public Command {
 	}
 };
 
-struct grid_tags_simplify : public Command {
+struct grid_tags_simplify final : public Command {
 	CMD_NAME("grid/tags/simplify")
 	STR_MENU("S&implify Tags")
 	STR_DISP("Simplify Tags")
@@ -342,7 +342,7 @@ static bool move_one(T begin, T end, U const& to_move, int step) {
 	return move_count > 0;
 }
 
-struct grid_move_up : public Command {
+struct grid_move_up final : public Command {
 	CMD_NAME("grid/move/up")
 	STR_MENU("Move line up")
 	STR_DISP("Move line up")
@@ -359,7 +359,7 @@ struct grid_move_up : public Command {
 	}
 };
 
-struct grid_move_down : public Command {
+struct grid_move_down final : public Command {
 	CMD_NAME("grid/move/down")
 	STR_MENU("Move line down")
 	STR_DISP("Move line down")
@@ -376,7 +376,7 @@ struct grid_move_down : public Command {
 	}
 };
 
-struct grid_swap : public Command {
+struct grid_swap final : public Command {
 	CMD_NAME("grid/swap")
 	CMD_ICON(arrow_sort)
 	STR_MENU("Swap Lines")

src/command/help.cpp

@@ -45,7 +45,7 @@
 namespace {
 	using cmd::Command;
 
-struct help_bugs : public Command {
+struct help_bugs final : public Command {
 	CMD_NAME("help/bugs")
 	CMD_ICON(bugtracker_button)
 	STR_MENU("&Bug Tracker...")
@@ -66,7 +66,7 @@ struct help_bugs : public Command {
 	}
 };
 
-struct help_contents : public Command {
+struct help_contents final : public Command {
 	CMD_NAME("help/contents")
 	CMD_ICON(contents_button)
 	STR_MENU("&Contents")
@@ -78,7 +78,7 @@ struct help_contents : public Command {
 	}
 };
 
-struct help_forums : public Command {
+struct help_forums final : public Command {
 	CMD_NAME("help/forums")
 	CMD_ICON(forums_button)
 	STR_MENU("&Forums")
@@ -90,7 +90,7 @@ struct help_forums : public Command {
 	}
 };
 
-struct help_irc : public Command {
+struct help_irc final : public Command {
 	CMD_NAME("help/irc")
 	CMD_ICON(irc_button)
 	STR_MENU("&IRC Channel")
@@ -102,7 +102,7 @@ struct help_irc : public Command {
 	}
 };
 
-struct help_video : public Command {
+struct help_video final : public Command {
 	CMD_NAME("help/video")
 	CMD_ICON(visual_help)
 	STR_MENU("&Visual Typesetting")
@@ -114,7 +114,7 @@ struct help_video : public Command {
 	}
 };
 
-struct help_website : public Command {
+struct help_website final : public Command {
 	CMD_NAME("help/website")
 	CMD_ICON(website_button)
 	STR_MENU("&Website")

src/command/keyframe.cpp

@@ -44,7 +44,7 @@
 namespace {
 	using cmd::Command;
 
-struct keyframe_close : public Command {
+struct keyframe_close final : public Command {
 	CMD_NAME("keyframe/close")
 	CMD_ICON(close_keyframes_menu)
 	STR_MENU("Close Keyframes")
@@ -61,7 +61,7 @@ struct keyframe_close : public Command {
 	}
 };
 
-struct keyframe_open : public Command {
+struct keyframe_open final : public Command {
 	CMD_NAME("keyframe/open")
 	CMD_ICON(open_keyframes_menu)
 	STR_MENU("Open Keyframes...")
@@ -80,7 +80,7 @@ struct keyframe_open : public Command {
 	}
 };
 
-struct keyframe_save : public Command {
+struct keyframe_save final : public Command {
 	CMD_NAME("keyframe/save")
 	CMD_ICON(save_keyframes_menu)
 	STR_MENU("Save Keyframes...")

src/command/recent.cpp

@@ -117,7 +117,7 @@ struct recent_video_entry : public Command {
 };
 
 template<class T>
-class mru_wrapper : public T {
+class mru_wrapper final : public T {
 	int id;
 	std::string full_name;
 public:

src/command/subtitle.cpp

@@ -78,7 +78,7 @@ struct validate_nonempty_selection_video_loaded : public Command {
 	}
 };
 
-struct subtitle_attachment : public Command {
+struct subtitle_attachment final : public Command {
 	CMD_NAME("subtitle/attachment")
 	CMD_ICON(attach_button)
 	STR_MENU("A&ttachments...")
@@ -91,7 +91,7 @@ struct subtitle_attachment : public Command {
 	}
 };
 
-struct subtitle_find : public Command {
+struct subtitle_find final : public Command {
 	CMD_NAME("subtitle/find")
 	CMD_ICON(find_button)
 	STR_MENU("&Find...")
@@ -104,7 +104,7 @@ struct subtitle_find : public Command {
 	}
 };
 
-struct subtitle_find_next : public Command {
+struct subtitle_find_next final : public Command {
 	CMD_NAME("subtitle/find/next")
 	CMD_ICON(find_next_menu)
 	STR_MENU("Find &Next")
@@ -134,7 +134,7 @@ static void insert_subtitle_at_video(agi::Context *c, bool after) {
 	c->selectionController->SetSelectionAndActive({ def }, def);
 }
 
-struct subtitle_insert_after : public validate_nonempty_selection {
+struct subtitle_insert_after final : public validate_nonempty_selection {
 	CMD_NAME("subtitle/insert/after")
 	STR_MENU("&After Current")
 	STR_DISP("After Current")
@@ -168,7 +168,7 @@ struct subtitle_insert_after : public validate_nonempty_selection {
 	}
 };
 
-struct subtitle_insert_after_videotime : public validate_nonempty_selection_video_loaded {
+struct subtitle_insert_after_videotime final : public validate_nonempty_selection_video_loaded {
 	CMD_NAME("subtitle/insert/after/videotime")
 	STR_MENU("After Current, at Video Time")
 	STR_DISP("After Current, at Video Time")
@@ -179,7 +179,7 @@ struct subtitle_insert_after_videotime : public validate_nonempty_selection_vide
 	}
 };
 
-struct subtitle_insert_before : public validate_nonempty_selection {
+struct subtitle_insert_before final : public validate_nonempty_selection {
 	CMD_NAME("subtitle/insert/before")
 	STR_MENU("&Before Current")
 	STR_DISP("Before Current")
@@ -210,7 +210,7 @@ struct subtitle_insert_before : public validate_nonempty_selection {
 	}
 };
 
-struct subtitle_insert_before_videotime : public validate_nonempty_selection_video_loaded {
+struct subtitle_insert_before_videotime final : public validate_nonempty_selection_video_loaded {
 	CMD_NAME("subtitle/insert/before/videotime")
 	STR_MENU("Before Current, at Video Time")
 	STR_DISP("Before Current, at Video Time")
@@ -221,7 +221,7 @@ struct subtitle_insert_before_videotime : public validate_nonempty_selection_vid
 	}
 };
 
-struct subtitle_new : public Command {
+struct subtitle_new final : public Command {
 	CMD_NAME("subtitle/new")
 	CMD_ICON(new_toolbutton)
 	STR_MENU("&New Subtitles")
@@ -234,7 +234,7 @@ struct subtitle_new : public Command {
 	}
 };
 
-struct subtitle_open : public Command {
+struct subtitle_open final : public Command {
 	CMD_NAME("subtitle/open")
 	CMD_ICON(open_toolbutton)
 	STR_MENU("&Open Subtitles...")
@@ -249,7 +249,7 @@ struct subtitle_open : public Command {
 	}
 };
 
-struct subtitle_open_autosave : public Command {
+struct subtitle_open_autosave final : public Command {
 	CMD_NAME("subtitle/open/autosave")
 	STR_MENU("Open A&utosaved Subtitles...")
 	STR_DISP("Open Autosaved Subtitles")
@@ -263,7 +263,7 @@ struct subtitle_open_autosave : public Command {
 	}
 };
 
-struct subtitle_open_charset : public Command {
+struct subtitle_open_charset final : public Command {
 	CMD_NAME("subtitle/open/charset")
 	CMD_ICON(open_with_toolbutton)
 	STR_MENU("Open Subtitles with &Charset...")
@@ -283,7 +283,7 @@ struct subtitle_open_charset : public Command {
 	}
 };
 
-struct subtitle_open_video : public Command {
+struct subtitle_open_video final : public Command {
 	CMD_NAME("subtitle/open/video")
 	STR_MENU("Open Subtitles from &Video")
 	STR_DISP("Open Subtitles from Video")
@@ -300,7 +300,7 @@ struct subtitle_open_video : public Command {
 	}
 };
 
-struct subtitle_properties : public Command {
+struct subtitle_properties final : public Command {
 	CMD_NAME("subtitle/properties")
 	CMD_ICON(properties_toolbutton)
 	STR_MENU("&Properties...")
@@ -336,7 +336,7 @@ static void save_subtitles(agi::Context *c, agi::fs::path filename) {
 	}
 }
 
-struct subtitle_save : public Command {
+struct subtitle_save final : public Command {
 	CMD_NAME("subtitle/save")
 	CMD_ICON(save_toolbutton)
 	STR_MENU("&Save Subtitles")
@@ -353,7 +353,7 @@ struct subtitle_save : public Command {
 	}
 };
 
-struct subtitle_save_as : public Command {
+struct subtitle_save_as final : public Command {
 	CMD_NAME("subtitle/save/as")
 	CMD_ICON(save_as_toolbutton)
 	STR_MENU("Save Subtitles &as...")
@@ -365,7 +365,7 @@ struct subtitle_save_as : public Command {
 	}
 };
 
-struct subtitle_select_all : public Command {
+struct subtitle_select_all final : public Command {
 	CMD_NAME("subtitle/select/all")
 	STR_MENU("Select &All")
 	STR_DISP("Select All")
@@ -378,7 +378,7 @@ struct subtitle_select_all : public Command {
 	}
 };
 
-struct subtitle_select_visible : public Command {
+struct subtitle_select_visible final : public Command {
 	CMD_NAME("subtitle/select/visible")
 	CMD_ICON(select_visible_button)
 	STR_MENU("Select Visible")
@@ -411,7 +411,7 @@ struct subtitle_select_visible : public Command {
 	}
 };
 
-struct subtitle_spellcheck : public Command {
+struct subtitle_spellcheck final : public Command {
 	CMD_NAME("subtitle/spellcheck")
 	CMD_ICON(spellcheck_toolbutton)
 	STR_MENU("Spell &Checker...")

src/command/time.cpp

@@ -106,7 +106,7 @@ static void adjoin_lines(agi::Context *c, bool set_start) {
 	c->ass->Commit(_("adjoin"), AssFile::COMMIT_DIAG_TIME);
 }
 
-struct time_continuous_end : public validate_adjoinable {
+struct time_continuous_end final : public validate_adjoinable {
 	CMD_NAME("time/continuous/end")
 	STR_MENU("Change &End")
 	STR_DISP("Change End")
@@ -117,7 +117,7 @@ struct time_continuous_end : public validate_adjoinable {
 	}
 };
 
-struct time_continuous_start : public validate_adjoinable {
+struct time_continuous_start final : public validate_adjoinable {
 	CMD_NAME("time/continuous/start")
 	STR_MENU("Change &Start")
 	STR_DISP("Change Start")
@@ -128,7 +128,7 @@ struct time_continuous_start : public validate_adjoinable {
 	}
 };
 
-struct time_frame_current : public validate_video_loaded {
+struct time_frame_current final : public validate_video_loaded {
 	CMD_NAME("time/frame/current")
 	CMD_ICON(shift_to_frame)
 	STR_MENU("Shift to &Current Frame")
@@ -155,7 +155,7 @@ struct time_frame_current : public validate_video_loaded {
 	}
 };
 
-struct time_shift : public Command {
+struct time_shift final : public Command {
 	CMD_NAME("time/shift")
 	CMD_ICON(shift_times_toolbutton)
 	STR_MENU("S&hift Times...")
@@ -185,7 +185,7 @@ static void snap_subs_video(agi::Context *c, bool set_start) {
 	c->ass->Commit(_("timing"), AssFile::COMMIT_DIAG_TIME);
 }
 
-struct time_snap_end_video : public validate_video_loaded {
+struct time_snap_end_video final : public validate_video_loaded {
 	CMD_NAME("time/snap/end_video")
 	CMD_ICON(subend_to_video)
 	STR_MENU("Snap &End to Video")
@@ -197,7 +197,7 @@ struct time_snap_end_video : public validate_video_loaded {
 	}
 };
 
-struct time_snap_scene : public validate_video_loaded {
+struct time_snap_scene final : public validate_video_loaded {
 	CMD_NAME("time/snap/scene")
 	CMD_ICON(snap_subs_to_scene)
 	STR_MENU("Snap to S&cene")
@@ -243,7 +243,7 @@ struct time_snap_scene : public validate_video_loaded {
 	}
 };
 
-struct time_add_lead_both : public Command {
+struct time_add_lead_both final : public Command {
 	CMD_NAME("time/lead/both")
 	STR_MENU("Add lead in and out")
 	STR_DISP("Add lead in and out")
@@ -256,7 +256,7 @@ struct time_add_lead_both : public Command {
 	}
 };
 
-struct time_add_lead_in : public Command {
+struct time_add_lead_in final : public Command {
 	CMD_NAME("time/lead/in")
 	CMD_ICON(button_leadin)
 	STR_MENU("Add lead in")
@@ -268,7 +268,7 @@ struct time_add_lead_in : public Command {
 	}
 };
 
-struct time_add_lead_out : public Command {
+struct time_add_lead_out final : public Command {
 	CMD_NAME("time/lead/out")
 	CMD_ICON(button_leadout)
 	STR_MENU("Add lead out")
@@ -280,7 +280,7 @@ struct time_add_lead_out : public Command {
 	}
 };
 
-struct time_length_increase : public Command {
+struct time_length_increase final : public Command {
 	CMD_NAME("time/length/increase")
 	STR_MENU("Increase length")
 	STR_DISP("Increase length")
@@ -291,7 +291,7 @@ struct time_length_increase : public Command {
 	}
 };
 
-struct time_length_increase_shift : public Command {
+struct time_length_increase_shift final : public Command {
 	CMD_NAME("time/length/increase/shift")
 	STR_MENU("Increase length and shift")
 	STR_DISP("Increase length and shift")
@@ -302,7 +302,7 @@ struct time_length_increase_shift : public Command {
 	}
 };
 
-struct time_length_decrease : public Command {
+struct time_length_decrease final : public Command {
 	CMD_NAME("time/length/decrease")
 	STR_MENU("Decrease length")
 	STR_DISP("Decrease length")
@@ -313,7 +313,7 @@ struct time_length_decrease : public Command {
 	}
 };
 
-struct time_length_decrease_shift : public Command {
+struct time_length_decrease_shift final : public Command {
 	CMD_NAME("time/length/decrease/shift")
 	STR_MENU("Decrease length and shift")
 	STR_DISP("Decrease length and shift")
@@ -324,7 +324,7 @@ struct time_length_decrease_shift : public Command {
 	}
 };
 
-struct time_start_increase : public Command {
+struct time_start_increase final : public Command {
 	CMD_NAME("time/start/increase")
 	STR_MENU("Shift start time forward")
 	STR_DISP("Shift start time forward")
@@ -335,7 +335,7 @@ struct time_start_increase : public Command {
 	}
 };
 
-struct time_start_decrease : public Command {
+struct time_start_decrease final : public Command {
 	CMD_NAME("time/start/decrease")
 	STR_MENU("Shift start time backward")
 	STR_DISP("Shift start time backward")
@@ -346,7 +346,7 @@ struct time_start_decrease : public Command {
 	}
 };
 
-struct time_snap_start_video : public validate_video_loaded {
+struct time_snap_start_video final : public validate_video_loaded {
 	CMD_NAME("time/snap/start_video")
 	CMD_ICON(substart_to_video)
 	STR_MENU("Snap &Start to Video")
@@ -358,7 +358,7 @@ struct time_snap_start_video : public validate_video_loaded {
 	}
 };
 
-struct time_next : public Command {
+struct time_next final : public Command {
 	CMD_NAME("time/next")
 	CMD_ICON(button_next)
 	STR_MENU("Next Line")
@@ -370,7 +370,7 @@ struct time_next : public Command {
 	}
 };
 
-struct time_prev : public Command {
+struct time_prev final : public Command {
 	CMD_NAME("time/prev")
 	CMD_ICON(button_prev)
 	STR_MENU("Previous Line")

src/command/timecode.cpp

@@ -44,7 +44,7 @@
 namespace {
 	using cmd::Command;
 
-struct timecode_close : public Command {
+struct timecode_close final : public Command {
 	CMD_NAME("timecode/close")
 	CMD_ICON(close_timecodes_menu)
 	STR_MENU("Close Timecodes File")
@@ -61,7 +61,7 @@ struct timecode_close : public Command {
 	}
 };
 
-struct timecode_open : public Command {
+struct timecode_open final : public Command {
 	CMD_NAME("timecode/open")
 	CMD_ICON(open_timecodes_menu)
 	STR_MENU("Open Timecodes File...")
@@ -76,7 +76,7 @@ struct timecode_open : public Command {
 	}
 };
 
-struct timecode_save : public Command {
+struct timecode_save final : public Command {
 	CMD_NAME("timecode/save")
 	CMD_ICON(save_timecodes_menu)
 	STR_MENU("Save Timecodes File...")

src/command/tool.cpp

@@ -60,7 +60,7 @@
 namespace {
 	using cmd::Command;
 
-struct tool_assdraw : public Command {
+struct tool_assdraw final : public Command {
 	CMD_NAME("tool/assdraw")
 	CMD_ICON(assdraw)
 	STR_MENU("ASSDraw3...")
@@ -72,7 +72,7 @@ struct tool_assdraw : public Command {
 	}
 };
 
-struct tool_export : public Command {
+struct tool_export final : public Command {
 	CMD_NAME("tool/export")
 	CMD_ICON(export_menu)
 	STR_MENU("&Export Subtitles...")
@@ -85,7 +85,7 @@ struct tool_export : public Command {
 	}
 };
 
-struct tool_font_collector : public Command {
+struct tool_font_collector final : public Command {
 	CMD_NAME("tool/font_collector")
 	CMD_ICON(font_collector_button)
 	STR_MENU("&Fonts Collector...")
@@ -97,7 +97,7 @@ struct tool_font_collector : public Command {
 	}
 };
 
-struct tool_line_select : public Command {
+struct tool_line_select final : public Command {
 	CMD_NAME("tool/line/select")
 	CMD_ICON(select_lines_button)
 	STR_MENU("S&elect Lines...")
@@ -109,7 +109,7 @@ struct tool_line_select : public Command {
 	}
 };
 
-struct tool_resampleres : public Command {
+struct tool_resampleres final : public Command {
 	CMD_NAME("tool/resampleres")
 	CMD_ICON(resample_toolbutton)
 	STR_MENU("&Resample Resolution...")
@@ -124,7 +124,7 @@ struct tool_resampleres : public Command {
 	}
 };
 
-struct tool_style_assistant : public Command {
+struct tool_style_assistant final : public Command {
 	CMD_NAME("tool/style/assistant")
 	CMD_ICON(styling_toolbutton)
 	STR_MENU("St&yling Assistant...")
@@ -144,7 +144,7 @@ struct tool_styling_assistant_validator : public Command {
 	}
 };
 
-struct tool_styling_assistant_commit : public tool_styling_assistant_validator {
+struct tool_styling_assistant_commit final : public tool_styling_assistant_validator {
 	CMD_NAME("tool/styling_assistant/commit")
 	STR_MENU("&Accept changes")
 	STR_DISP("Accept changes")
@@ -155,7 +155,7 @@ struct tool_styling_assistant_commit : public tool_styling_assistant_validator {
 	}
 };
 
-struct tool_styling_assistant_preview : public tool_styling_assistant_validator {
+struct tool_styling_assistant_preview final : public tool_styling_assistant_validator {
 	CMD_NAME("tool/styling_assistant/preview")
 	STR_MENU("&Preview changes")
 	STR_DISP("Preview changes")
@@ -166,7 +166,7 @@ struct tool_styling_assistant_preview : public tool_styling_assistant_validator
 	}
 };
 
-struct tool_style_manager : public Command {
+struct tool_style_manager final : public Command {
 	CMD_NAME("tool/style/manager")
 	CMD_ICON(style_toolbutton)
 	STR_MENU("&Styles Manager...")
@@ -178,7 +178,7 @@ struct tool_style_manager : public Command {
 	}
 };
 
-struct tool_time_kanji : public Command {
+struct tool_time_kanji final : public Command {
 	CMD_NAME("tool/time/kanji")
 	CMD_ICON(kara_timing_copier)
 	STR_MENU("&Kanji Timer...")
@@ -190,7 +190,7 @@ struct tool_time_kanji : public Command {
 	}
 };
 
-struct tool_time_postprocess : public Command {
+struct tool_time_postprocess final : public Command {
 	CMD_NAME("tool/time/postprocess")
 	CMD_ICON(timing_processor_toolbutton)
 	STR_MENU("&Timing Post-Processor...")
@@ -202,7 +202,7 @@ struct tool_time_postprocess : public Command {
 	}
 };
 
-struct tool_translation_assistant : public Command {
+struct tool_translation_assistant final : public Command {
 	CMD_NAME("tool/translation_assistant")
 	CMD_ICON(translation_toolbutton)
 	STR_MENU("&Translation Assistant...")
@@ -228,7 +228,7 @@ struct tool_translation_assistant_validator : public Command {
 	}
 };
 
-struct tool_translation_assistant_commit : public tool_translation_assistant_validator {
+struct tool_translation_assistant_commit final : public tool_translation_assistant_validator {
 	CMD_NAME("tool/translation_assistant/commit")
 	STR_MENU("&Accept changes")
 	STR_DISP("Accept changes")
@@ -239,7 +239,7 @@ struct tool_translation_assistant_commit : public tool_translation_assistant_val
 	}
 };
 
-struct tool_translation_assistant_preview : public tool_translation_assistant_validator {
+struct tool_translation_assistant_preview final : public tool_translation_assistant_validator {
 	CMD_NAME("tool/translation_assistant/preview")
 	STR_MENU("&Preview changes")
 	STR_DISP("Preview changes")
@@ -250,7 +250,7 @@ struct tool_translation_assistant_preview : public tool_translation_assistant_va
 	}
 };
 
-struct tool_translation_assistant_next : public tool_translation_assistant_validator {
+struct tool_translation_assistant_next final : public tool_translation_assistant_validator {
 	CMD_NAME("tool/translation_assistant/next")
 	STR_MENU("&Next Line")
 	STR_DISP("Next Line")
@@ -261,7 +261,7 @@ struct tool_translation_assistant_next : public tool_translation_assistant_valid
 	}
 };
 
-struct tool_translation_assistant_prev : public tool_translation_assistant_validator {
+struct tool_translation_assistant_prev final : public tool_translation_assistant_validator {
 	CMD_NAME("tool/translation_assistant/prev")
 	STR_MENU("&Previous Line")
 	STR_DISP("Previous Line")
@@ -273,7 +273,7 @@ struct tool_translation_assistant_prev : public tool_translation_assistant_valid
 };
 }
 
-struct tool_translation_assistant_insert : public tool_translation_assistant_validator {
+struct tool_translation_assistant_insert final : public tool_translation_assistant_validator {
 	CMD_NAME("tool/translation_assistant/insert_original")
 	STR_MENU("&Insert Original")
 	STR_DISP("Insert Original")

src/command/video.cpp

@@ -85,7 +85,7 @@ struct validator_video_attached : public Command {
 	}
 };
 
-struct video_aspect_cinematic : public validator_video_loaded {
+struct video_aspect_cinematic final : public validator_video_loaded {
 	CMD_NAME("video/aspect/cinematic")
 	STR_MENU("&Cinematic (2.35)")
 	STR_DISP("Cinematic (2.35)")
@@ -103,7 +103,7 @@ struct video_aspect_cinematic : public validator_video_loaded {
 	}
 };
 
-struct video_aspect_custom : public validator_video_loaded {
+struct video_aspect_custom final : public validator_video_loaded {
 	CMD_NAME("video/aspect/custom")
 	STR_MENU("C&ustom...")
 	STR_DISP("Custom")
@@ -146,7 +146,7 @@ struct video_aspect_custom : public validator_video_loaded {
 	}
 };
 
-struct video_aspect_default : public validator_video_loaded {
+struct video_aspect_default final : public validator_video_loaded {
 	CMD_NAME("video/aspect/default")
 	STR_MENU("&Default")
 	STR_DISP("Default")
@@ -164,7 +164,7 @@ struct video_aspect_default : public validator_video_loaded {
 	}
 };
 
-struct video_aspect_full : public validator_video_loaded {
+struct video_aspect_full final : public validator_video_loaded {
 	CMD_NAME("video/aspect/full")
 	STR_MENU("&Fullscreen (4:3)")
 	STR_DISP("Fullscreen (4:3)")
@@ -182,7 +182,7 @@ struct video_aspect_full : public validator_video_loaded {
 	}
 };
 
-struct video_aspect_wide : public validator_video_loaded {
+struct video_aspect_wide final : public validator_video_loaded {
 	CMD_NAME("video/aspect/wide")
 	STR_MENU("&Widescreen (16:9)")
 	STR_DISP("Widescreen (16:9)")
@@ -200,7 +200,7 @@ struct video_aspect_wide : public validator_video_loaded {
 	}
 };
 
-struct video_close : public validator_video_loaded {
+struct video_close final : public validator_video_loaded {
 	CMD_NAME("video/close")
 	CMD_ICON(close_video_menu)
 	STR_MENU("&Close Video")
@@ -212,7 +212,7 @@ struct video_close : public validator_video_loaded {
 	}
 };
 
-struct video_copy_coordinates : public validator_video_loaded {
+struct video_copy_coordinates final : public validator_video_loaded {
 	CMD_NAME("video/copy_coordinates")
 	STR_MENU("Copy coordinates to Clipboard")
 	STR_DISP("Copy coordinates to Clipboard")
@@ -223,7 +223,7 @@ struct video_copy_coordinates : public validator_video_loaded {
 	}
 };
 
-struct video_cycle_subtitles_provider : public cmd::Command {
+struct video_cycle_subtitles_provider final : public cmd::Command {
 	CMD_NAME("video/subtitles_provider/cycle")
 	STR_MENU("Cycle active subtitles provider")
 	STR_DISP("Cycle active subtitles provider")
@@ -242,7 +242,7 @@ struct video_cycle_subtitles_provider : public cmd::Command {
 	}
 };
 
-struct video_detach : public validator_video_loaded {
+struct video_detach final : public validator_video_loaded {
 	CMD_NAME("video/detach")
 	CMD_ICON(detach_video_menu)
 	STR_MENU("&Detach Video")
@@ -262,7 +262,7 @@ struct video_detach : public validator_video_loaded {
 	}
 };
 
-struct video_details : public validator_video_loaded {
+struct video_details final : public validator_video_loaded {
 	CMD_NAME("video/details")
 	CMD_ICON(show_video_details_menu)
 	STR_MENU("Show &Video Details")
@@ -275,7 +275,7 @@ struct video_details : public validator_video_loaded {
 	}
 };
 
-struct video_focus_seek : public validator_video_loaded {
+struct video_focus_seek final : public validator_video_loaded {
 	CMD_NAME("video/focus_seek")
 	STR_MENU("Toggle video slider focus")
 	STR_DISP("Toggle video slider focus")
@@ -293,7 +293,7 @@ struct video_focus_seek : public validator_video_loaded {
 	}
 };
 
-struct video_frame_copy : public validator_video_loaded {
+struct video_frame_copy final : public validator_video_loaded {
 	CMD_NAME("video/frame/copy")
 	STR_MENU("Copy image to Clipboard")
 	STR_DISP("Copy image to Clipboard")
@@ -304,7 +304,7 @@ struct video_frame_copy : public validator_video_loaded {
 	}
 };
 
-struct video_frame_copy_raw : public validator_video_loaded {
+struct video_frame_copy_raw final : public validator_video_loaded {
 	CMD_NAME("video/frame/copy/raw")
 	STR_MENU("Copy image to Clipboard (no subtitles)")
 	STR_DISP("Copy image to Clipboard (no subtitles)")
@@ -315,7 +315,7 @@ struct video_frame_copy_raw : public validator_video_loaded {
 	}
 };
 
-struct video_frame_next : public validator_video_loaded {
+struct video_frame_next final : public validator_video_loaded {
 	CMD_NAME("video/frame/next")
 	STR_MENU("Next Frame")
 	STR_DISP("Next Frame")
@@ -326,7 +326,7 @@ struct video_frame_next : public validator_video_loaded {
 	}
 };
 
-struct video_frame_next_boundary : public validator_video_loaded {
+struct video_frame_next_boundary final : public validator_video_loaded {
 	CMD_NAME("video/frame/next/boundary")
 	STR_MENU("Next Boundary")
 	STR_DISP("Next Boundary")
@@ -355,7 +355,7 @@ struct video_frame_next_boundary : public validator_video_loaded {
 	}
 };
 
-struct video_frame_next_keyframe : public validator_video_loaded {
+struct video_frame_next_keyframe final : public validator_video_loaded {
 	CMD_NAME("video/frame/next/keyframe")
 	STR_MENU("Next Keyframe")
 	STR_DISP("Next Keyframe")
@@ -369,7 +369,7 @@ struct video_frame_next_keyframe : public validator_video_loaded {
 	}
 };
 
-struct video_frame_next_large : public validator_video_loaded {
+struct video_frame_next_large final : public validator_video_loaded {
 	CMD_NAME("video/frame/next/large")
 	STR_MENU("Fast jump forward")
 	STR_DISP("Fast jump forward")
@@ -382,7 +382,7 @@ struct video_frame_next_large : public validator_video_loaded {
 	}
 };
 
-struct video_frame_prev : public validator_video_loaded {
+struct video_frame_prev final : public validator_video_loaded {
 	CMD_NAME("video/frame/prev")
 	STR_MENU("Previous Frame")
 	STR_DISP("Previous Frame")
@@ -393,7 +393,7 @@ struct video_frame_prev : public validator_video_loaded {
 	}
 };
 
-struct video_frame_prev_boundary : public validator_video_loaded {
+struct video_frame_prev_boundary final : public validator_video_loaded {
 	CMD_NAME("video/frame/prev/boundary")
 	STR_MENU("Previous Boundary")
 	STR_DISP("Previous Boundary")
@@ -422,7 +422,7 @@ struct video_frame_prev_boundary : public validator_video_loaded {
 	}
 };
 
-struct video_frame_prev_keyframe : public validator_video_loaded {
+struct video_frame_prev_keyframe final : public validator_video_loaded {
 	CMD_NAME("video/frame/prev/keyframe")
 	STR_MENU("Previous Keyframe")
 	STR_DISP("Previous Keyframe")
@@ -444,7 +444,7 @@ struct video_frame_prev_keyframe : public validator_video_loaded {
 	}
 };
 
-struct video_frame_prev_large : public validator_video_loaded {
+struct video_frame_prev_large final : public validator_video_loaded {
 	CMD_NAME("video/frame/prev/large")
 	STR_MENU("Fast jump backwards")
 	STR_DISP("Fast jump backwards")
@@ -495,7 +495,7 @@ static void save_snapshot(agi::Context *c, bool raw) {
 	GetImage(*c->videoController->GetFrame(c->videoController->GetFrameN(), raw)).SaveFile(to_wx(path), wxBITMAP_TYPE_PNG);
 }
 
-struct video_frame_save : public validator_video_loaded {
+struct video_frame_save final : public validator_video_loaded {
 	CMD_NAME("video/frame/save")
 	STR_MENU("Save PNG snapshot")
 	STR_DISP("Save PNG snapshot")
@@ -506,7 +506,7 @@ struct video_frame_save : public validator_video_loaded {
 	}
 };
 
-struct video_frame_save_raw : public validator_video_loaded {
+struct video_frame_save_raw final : public validator_video_loaded {
 	CMD_NAME("video/frame/save/raw")
 	STR_MENU("Save PNG snapshot (no subtitles)")
 	STR_DISP("Save PNG snapshot (no subtitles)")
@@ -517,7 +517,7 @@ struct video_frame_save_raw : public validator_video_loaded {
 	}
 };
 
-struct video_jump : public validator_video_loaded {
+struct video_jump final : public validator_video_loaded {
 	CMD_NAME("video/jump")
 	CMD_ICON(jumpto_button)
 	STR_MENU("&Jump to...")
@@ -533,7 +533,7 @@ struct video_jump : public validator_video_loaded {
 	}
 };
 
-struct video_jump_end : public validator_video_loaded {
+struct video_jump_end final : public validator_video_loaded {
 	CMD_NAME("video/jump/end")
 	CMD_ICON(video_to_subend)
 	STR_MENU("Jump Video to &End")
@@ -547,7 +547,7 @@ struct video_jump_end : public validator_video_loaded {
 	}
 };
 
-struct video_jump_start : public validator_video_loaded {
+struct video_jump_start final : public validator_video_loaded {
 	CMD_NAME("video/jump/start")
 	CMD_ICON(video_to_substart)
 	STR_MENU("Jump Video to &Start")
@@ -560,7 +560,7 @@ struct video_jump_start : public validator_video_loaded {
 	}
 };
 
-struct video_open : public Command {
+struct video_open final : public Command {
 	CMD_NAME("video/open")
 	CMD_ICON(open_video_menu)
 	STR_MENU("&Open Video...")
@@ -576,7 +576,7 @@ struct video_open : public Command {
 	}
 };
 
-struct video_open_dummy : public Command {
+struct video_open_dummy final : public Command {
 	CMD_NAME("video/open/dummy")
 	CMD_ICON(use_dummy_video_menu)
 	STR_MENU("&Use Dummy Video...")
@@ -590,7 +590,7 @@ struct video_open_dummy : public Command {
 	}
 };
 
-struct video_opt_autoscroll : public Command {
+struct video_opt_autoscroll final : public Command {
 	CMD_NAME("video/opt/autoscroll")
 	CMD_ICON(toggle_video_autoscroll)
 	STR_MENU("Toggle autoscroll of video")
@@ -607,7 +607,7 @@ struct video_opt_autoscroll : public Command {
 	}
 };
 
-struct video_play : public validator_video_loaded {
+struct video_play final : public validator_video_loaded {
 	CMD_NAME("video/play")
 	CMD_ICON(button_play)
 	STR_MENU("Play")
@@ -619,7 +619,7 @@ struct video_play : public validator_video_loaded {
 	}
 };
 
-struct video_play_line : public validator_video_loaded {
+struct video_play_line final : public validator_video_loaded {
 	CMD_NAME("video/play/line")
 	CMD_ICON(button_playline)
 	STR_MENU("Play line")
@@ -631,7 +631,7 @@ struct video_play_line : public validator_video_loaded {
 	}
 };
 
-struct video_show_overscan : public validator_video_loaded {
+struct video_show_overscan final : public validator_video_loaded {
 	CMD_NAME("video/show_overscan")
 	STR_MENU("Show &Overscan Mask")
 	STR_DISP("Show Overscan Mask")
@@ -715,7 +715,7 @@ public:
 	}
 };
 
-struct video_zoom_in : public validator_video_attached {
+struct video_zoom_in final : public validator_video_attached {
 	CMD_NAME("video/zoom/in")
 	CMD_ICON(zoom_in_button)
 	STR_MENU("Zoom In")
@@ -727,7 +727,7 @@ struct video_zoom_in : public validator_video_attached {
 	}
 };
 
-struct video_zoom_out : public validator_video_attached {
+struct video_zoom_out final : public validator_video_attached {
 	CMD_NAME("video/zoom/out")
 	CMD_ICON(zoom_out_button)
 	STR_MENU("Zoom Out")

src/command/vis_tool.cpp

@@ -37,7 +37,7 @@ namespace {
 	using cmd::Command;
 
 	template<class T>
-	struct visual_tool_command : public Command {
+	struct visual_tool_command final : public Command {
 		CMD_TYPE(COMMAND_VALIDATE | COMMAND_RADIO)
 
 		bool Validate(const agi::Context *c) override {
@@ -53,7 +53,7 @@ namespace {
 		}
 	};
 
-	struct visual_mode_cross : public visual_tool_command<VisualToolCross> {
+	struct visual_mode_cross final : public visual_tool_command<VisualToolCross> {
 		CMD_NAME("video/tool/cross")
 		CMD_ICON(visual_standard)
 		STR_MENU("Standard")
@@ -61,7 +61,7 @@ namespace {
 		STR_HELP("Standard mode, double click sets position")
 	};
 
-	struct visual_mode_drag : public visual_tool_command<VisualToolDrag> {
+	struct visual_mode_drag final : public visual_tool_command<VisualToolDrag> {
 		CMD_NAME("video/tool/drag")
 		CMD_ICON(visual_move)
 		STR_MENU("Drag")
@@ -69,7 +69,7 @@ namespace {
 		STR_HELP("Drag subtitles")
 	};
 
-	struct visual_mode_rotate_z : public visual_tool_command<VisualToolRotateZ> {
+	struct visual_mode_rotate_z final : public visual_tool_command<VisualToolRotateZ> {
 		CMD_NAME("video/tool/rotate/z")
 		CMD_ICON(visual_rotatez)
 		STR_MENU("Rotate Z")
@@ -77,7 +77,7 @@ namespace {
 		STR_HELP("Rotate subtitles on their Z axis")
 	};
 
-	struct visual_mode_rotate_xy : public visual_tool_command<VisualToolRotateXY> {
+	struct visual_mode_rotate_xy final : public visual_tool_command<VisualToolRotateXY> {
 		CMD_NAME("video/tool/rotate/xy")
 		CMD_ICON(visual_rotatexy)
 		STR_MENU("Rotate XY")
@@ -85,7 +85,7 @@ namespace {
 		STR_HELP("Rotate subtitles on their X and Y axes")
 	};
 
-	struct visual_mode_scale : public visual_tool_command<VisualToolScale> {
+	struct visual_mode_scale final : public visual_tool_command<VisualToolScale> {
 		CMD_NAME("video/tool/scale")
 		CMD_ICON(visual_scale)
 		STR_MENU("Scale")
@@ -93,7 +93,7 @@ namespace {
 		STR_HELP("Scale subtitles on X and Y axes")
 	};
 
-	struct visual_mode_clip : public visual_tool_command<VisualToolClip> {
+	struct visual_mode_clip final : public visual_tool_command<VisualToolClip> {
 		CMD_NAME("video/tool/clip")
 		CMD_ICON(visual_clip)
 		STR_MENU("Clip")
@@ -101,7 +101,7 @@ namespace {
 		STR_HELP("Clip subtitles to a rectangle")
 	};
 
-	struct visual_mode_vector_clip : public visual_tool_command<VisualToolVectorClip> {
+	struct visual_mode_vector_clip final : public visual_tool_command<VisualToolVectorClip> {
 		CMD_NAME("video/tool/vector_clip")
 		CMD_ICON(visual_vector_clip)
 		STR_MENU("Vector Clip")

src/dialog_attachments.h

@@ -39,7 +39,7 @@ class wxListEvent;
 
 #include <wx/dialog.h>
 
-class DialogAttachments : public wxDialog {
+class DialogAttachments final : public wxDialog {
 	AssFile *ass;
 
 	wxListView *listView;

src/dialog_automation.h

@@ -50,7 +50,7 @@ class wxButton;
 class wxListEvent;
 class wxListView;
 
-class DialogAutomation : public wxDialog {
+class DialogAutomation final : public wxDialog {
 	agi::Context *context;
 
 	/// Struct to attach a flag for global/local to scripts

src/dialog_autosave.h

@@ -24,7 +24,7 @@
 
 class wxListBox;
 
-class DialogAutosave : public wxDialog {
+class DialogAutosave final : public wxDialog {
 	struct Version {
 		wxString filename;
 		wxDateTime date;

src/dialog_colorpicker.cpp

@@ -86,7 +86,7 @@ static const int spectrum_horz_vert_arrow_size = 4;
 
 wxDEFINE_EVENT(EVT_SPECTRUM_CHANGE, wxCommandEvent);
 
-class ColorPickerSpectrum : public wxControl {
+class ColorPickerSpectrum final : public wxControl {
 	int x;
 	int y;
 
@@ -251,7 +251,7 @@ wxDEFINE_EVENT(EVT_RECENT_SELECT, wxThreadEvent);
 
 /// @class ColorPickerRecent
 /// @brief A grid of recently used colors which can be selected by clicking on them
-class ColorPickerRecent : public wxStaticBitmap {
+class ColorPickerRecent final : public wxStaticBitmap {
 	int rows;     ///< Number of rows of colors
 	int cols;     ///< Number of cols of colors
 	int cellsize; ///< Width/Height of each cell
@@ -344,7 +344,7 @@ public:
 
 wxDEFINE_EVENT(EVT_DROPPER_SELECT, wxThreadEvent);
 
-class ColorPickerScreenDropper : public wxControl {
+class ColorPickerScreenDropper final : public wxControl {
 	wxBitmap capture;
 
 	int resx, resy;
@@ -434,7 +434,7 @@ void ColorPickerScreenDropper::DropFromScreenXY(int x, int y) {
 }
 
 
-class DialogColorPicker : public wxDialog {
+class DialogColorPicker final : public wxDialog {
 	std::unique_ptr<PersistLocation> persist;
 
 	agi::Color cur_color; ///< Currently selected colour

src/dialog_detached_video.h

@@ -42,7 +42,7 @@ class PersistLocation;
 class VideoBox;
 class VideoDisplay;
 
-class DialogDetachedVideo : public wxDialog {
+class DialogDetachedVideo final : public wxDialog {
 	agi::Context *context;
 	VideoDisplay *old_display;
 	wxWindow *old_slider;

src/dialog_dummy_video.h

@@ -26,7 +26,7 @@
 class wxFlexGridSizer;
 class wxStaticText;
 
-class DialogDummyVideo : public wxDialog {
+class DialogDummyVideo final : public wxDialog {
 	DialogDummyVideo(wxWindow *parent);
 
 	double fps;

src/dialog_export.h

@@ -42,7 +42,7 @@ class wxChoice;
 class wxSizer;
 class wxTextCtrl;
 
-class DialogExport : public wxDialog {
+class DialogExport final : public wxDialog {
 	agi::Context *c;
 
 	/// The export transform engine

src/dialog_export_ebu3264.cpp

@@ -48,7 +48,7 @@ namespace {
 	const boost::regex timecode_regex("([[:digit:]]{2}):([[:digit:]]{2}):([[:digit:]]{2}):([[:digit:]]{2})");
 
 	/// Validator for SMPTE timecodes
-	class TimecodeValidator : public wxValidator {
+	class TimecodeValidator final : public wxValidator {
 		EbuTimecode *value;
 
 		wxTextCtrl *GetCtrl() const { return dynamic_cast<wxTextCtrl*>(GetWindow()); }

src/dialog_export_ebu3264.h

@@ -112,7 +112,7 @@ public:
 };
 
 /// Dialog box for getting an export configuration for EBU Tech 3264-1991
-class EbuExportConfigurationDialog : public wxDialog {
+class EbuExportConfigurationDialog final : public wxDialog {
 public:
 	/// Constructor
 	/// @param owner Parent window of the dialog

src/dialog_fonts_collector.h

@@ -31,7 +31,7 @@ class wxStaticText;
 class wxTextCtrl;
 class wxThreadEvent;
 
-class DialogFontsCollector : public wxDialog {
+class DialogFontsCollector final : public wxDialog {
 	AssFile *subs;
 
 	ScintillaTextCtrl *collection_log;

src/dialog_jumpto.h

@@ -38,7 +38,7 @@ namespace agi { struct Context; }
 class TimeEdit;
 class wxTextCtrl;
 
-class DialogJumpTo : public wxDialog {
+class DialogJumpTo final : public wxDialog {
 	agi::Context *c;       ///< Project context
 	long jumpframe;        ///< Target frame to jump to
 	TimeEdit *JumpTime;    ///< Target time edit control

src/dialog_kara_timing_copy.cpp

@@ -69,7 +69,7 @@
 #define TEXT_LABEL_SOURCE _("Source: ")
 #define TEXT_LABEL_DEST _("Dest: ")
 
-class KaraokeLineMatchDisplay : public wxControl {
+class KaraokeLineMatchDisplay final : public wxControl {
 	typedef AssKaraoke::Syllable MatchSyllable;
 
 	struct MatchGroup {

src/dialog_kara_timing_copy.h

@@ -44,7 +44,7 @@ class KaraokeLineMatchDisplay;
 class wxComboBox;
 class wxCheckBox;
 
-class DialogKanjiTimer : public wxDialog {
+class DialogKanjiTimer final : public wxDialog {
 	AssFile *subs;
 
 	KaraokeLineMatchDisplay *display;

src/dialog_log.cpp

@@ -52,7 +52,7 @@
 #include <wx/stattext.h>
 #include <wx/textctrl.h>
 
-class EmitLog : public agi::log::Emitter {
+class EmitLog final : public agi::log::Emitter {
 	wxTextCtrl *text_ctrl;
 public:
 	EmitLog(wxTextCtrl *t)

src/dialog_paste_over.h

@@ -36,7 +36,7 @@
 
 class wxCheckListBox;
 
-class DialogPasteOver : public wxDialog {
+class DialogPasteOver final : public wxDialog {
 	wxCheckListBox *ListBox;
 
 	void CheckAll(bool check);

src/dialog_progress.cpp

@@ -72,7 +72,7 @@ namespace {
 	}
 }
 
-class DialogProgressSink : public agi::ProgressSink {
+class DialogProgressSink final : public agi::ProgressSink {
 	DialogProgress *dialog;
 	std::atomic<bool> cancelled;
 

src/dialog_progress.h

@@ -31,7 +31,7 @@ class wxTextCtrl;
 
 /// @class DialogProgress
 /// @brief Progress-bar dialog box for displaying during long operations
-class DialogProgress : public wxDialog, public agi::BackgroundRunner {
+class DialogProgress final : public wxDialog, public agi::BackgroundRunner {
 	friend class DialogProgressSink;
 	DialogProgressSink *ps;
 

src/dialog_properties.h

@@ -41,7 +41,7 @@ class wxCheckBox;
 class wxComboBox;
 class wxTextCtrl;
 
-class DialogProperties : public wxDialog {
+class DialogProperties final : public wxDialog {
 	agi::Context *c; ///< Project this dialog is adjusting the properties of
 
 	/// Pairs of a script property and a text control for that property

src/dialog_resample.h

@@ -29,7 +29,7 @@ struct ResampleSettings;
 /// @brief Configuration dialog for resolution resampling
 ///
 /// Populate a ResampleSettings structure with data from the user
-class DialogResample : public wxDialog {
+class DialogResample final : public wxDialog {
 	agi::Context *c; ///< Project context
 
 	wxSpinCtrl *res_x;

src/dialog_search_replace.h

@@ -28,7 +28,7 @@ class SearchReplaceEngine;
 struct SearchReplaceSettings;
 class wxComboBox;
 
-class DialogSearchReplace : public wxDialog {
+class DialogSearchReplace final : public wxDialog {
 	agi::Context *c;
 	std::unique_ptr<SearchReplaceSettings> settings;
 	bool has_replace;

src/dialog_selected_choices.h

@@ -23,7 +23,7 @@
 
 /// @class SelectedChoicesDialog
 /// @brief wxMultiChoiceDialog with Select All and Select None
-class SelectedChoicesDialog : public wxMultiChoiceDialog {
+class SelectedChoicesDialog final : public wxMultiChoiceDialog {
 	SelectedChoicesDialog(SelectedChoicesDialog const&);
 	SelectedChoicesDialog& operator=(SelectedChoicesDialog const&);
 

src/dialog_selection.h

@@ -28,7 +28,7 @@ class wxRadioBox;
 class wxRadioButton;
 class wxTextCtrl;
 
-class DialogSelection : public wxDialog {
+class DialogSelection final : public wxDialog {
 	agi::Context *con; ///< Project context
 
 	wxTextCtrl *match_text; ///< Text to search for

src/dialog_shift_times.h

@@ -43,7 +43,7 @@ namespace json {
 	typedef std::deque<UnknownElement> Array;
 }
 
-class DialogShiftTimes : public wxDialog {
+class DialogShiftTimes final : public wxDialog {
 	wxDECLARE_NO_COPY_CLASS(DialogShiftTimes); // clang + libc++ herps a derp without this
 	agi::Context *context;
 

src/dialog_spellchecker.h

@@ -35,7 +35,7 @@ class wxComboBox;
 class wxListBox;
 class wxTextCtrl;
 
-class DialogSpellChecker : public wxDialog {
+class DialogSpellChecker final : public wxDialog {
 	agi::Context *context; ///< The project context
 	std::unique_ptr<agi::SpellChecker> spellchecker; ///< The spellchecking engine
 

src/dialog_style_editor.h

@@ -47,7 +47,7 @@ class AssStyleStorage;
 class PersistLocation;
 class SubtitlesPreview;
 
-class DialogStyleEditor : public wxDialog {
+class DialogStyleEditor final : public wxDialog {
 	agi::Context *c;
 	std::unique_ptr<PersistLocation> persist;
 

src/dialog_style_manager.h

@@ -52,7 +52,7 @@ class AssStyle;
 class DialogStyleEditor;
 class PersistLocation;
 
-class DialogStyleManager : public wxDialog {
+class DialogStyleManager final : public wxDialog {
 	agi::Context *c; ///< Project context
 	std::unique_ptr<PersistLocation> persist;
 

src/dialog_styling_assistant.h

@@ -33,7 +33,7 @@ class wxCheckBox;
 class wxListBox;
 class wxTextCtrl;
 
-class DialogStyling : public wxDialog {
+class DialogStyling final : public wxDialog {
 	agi::Context *c;
 	agi::signal::Connection active_line_connection;
 

src/dialog_text_import.h

@@ -39,7 +39,7 @@
 ///
 /// A simple dialog to let the user select the format of a plain text file
 /// being imported into Aegisub
-class DialogTextImport : public wxDialog {
+class DialogTextImport final : public wxDialog {
 	std::string seperator;
 	std::string comment;
 	bool include_blank;

src/dialog_timing_processor.h

@@ -45,7 +45,7 @@ class wxSlider;
 
 /// @class DialogTimingProcessor
 /// @brief Automatic postprocessor for correcting common timing issues
-class DialogTimingProcessor : public wxDialog {
+class DialogTimingProcessor final : public wxDialog {
 	agi::Context *c; ///< Project context
 
 	int leadIn;      ///< Lead-in to add in milliseconds

src/dialog_translation.h

@@ -36,7 +36,7 @@ class wxStaticText;
 class wxCheckBox;
 
 /// Assistant for translating subtitles in one language to another language
-class DialogTranslation : public wxDialog {
+class DialogTranslation final : public wxDialog {
 	agi::Context *c;
 
 	agi::signal::Connection file_change_connection;

src/dialog_version_check.cpp

@@ -93,7 +93,7 @@ struct AegisubUpdateDescription {
 	: url(std::move(url)), friendly_name(std::move(friendly_name)), description(std::move(description)) { }
 };
 
-class VersionCheckerResultDialog : public wxDialog {
+class VersionCheckerResultDialog final : public wxDialog {
 	void OnCloseButton(wxCommandEvent &evt);
 	void OnRemindMeLater(wxCommandEvent &evt);
 	void OnClose(wxCloseEvent &evt);