diff --git a/demo.cc b/demo.cc
index c872920..4b0c0dd 100644
--- a/demo.cc
+++ b/demo.cc
@@ -28,15 +28,7 @@ void T_Demo::render( )
 	}
 
 	auto& sync( Globals::Sync( ) );
-	if ( playing ) {
-		const float time = SDL_GetTicks( ) * 1e-3;
-		if ( playingPrevious ) {
-			sync.timeDelta( time - lastFrame );
-			playing = !sync.finished( );
-		}
-		lastFrame = time;
-	}
-	playingPrevious = playing;
+	sync.updateTime( );
 
 	if ( context && !context->aborted ) {
 		try {
diff --git a/demo.hh b/demo.hh
index f7292b7..c9c8bd2 100644
--- a/demo.hh
+++ b/demo.hh
@@ -32,8 +32,6 @@ struct T_Demo
 
 	// ---------------------------------------------------------------------
 
-	bool playing = false;
-
     private:
 	uint32_t width;
 	uint32_t height;
@@ -41,8 +39,5 @@ struct T_Demo
 	T_OwnPtr< ops::T_OpProgram > program;
 	T_OwnPtr< ops::T_OpContext > context;
 
-	bool playingPrevious = false;
-	float lastFrame;
-
 	bool runInit( ops::T_OpProgram& program );
 };
diff --git a/demo.srd b/demo.srd
index cbca145..875bd30 100644
--- a/demo.srd
+++ b/demo.srd
@@ -444,6 +444,8 @@
 				)
 			)
 		)
+		# FIXME: overrides for vignette
+		# FIXME: overrides for color grading
 	)
 )
 
diff --git a/main.cc b/main.cc
index df33fb5..b30a724 100644
--- a/main.cc
+++ b/main.cc
@@ -178,42 +178,35 @@ void T_Main::handleCapture( )
 
 void T_Main::makeUI( )
 {
-	ImGui::SetNextWindowSize( ImVec2( 300 , 150 ) ,
-			ImGuiSetCond_Once );
-	ImGui::SetNextWindowPos( ImVec2( ) , ImGuiSetCond_Once );
-	ImGui::Begin( "Tools" );
-
-	ImGui::Checkbox( "Output debugger" ,	&Globals::ODbg( ).uiEnabled( ) );
-	ImGui::Checkbox( "Profiler" ,		&Globals::Profiler( ).uiEnabled( ) );
-	ImGui::Checkbox( "Shaders" ,		&Globals::Shaders( ).uiEnabled( ) );
-
-#warning big fucking FIXME
-	static bool lol{ false };
-	ImGui::Checkbox( "Input overrides" ,	&lol );
-
-	if ( demo ) {
-		ImGui::Separator( );
-		auto& sync( Globals::Sync( ) );
-		const float duration( sync.duration( ) );
-		float time( sync.time( ) );
-		if ( ImGui::SliderFloat( "" , &time , 0 , duration , "%.1fs" ) ) {
-			sync.setTime( time );
-			demo->playing = demo->playing && ! sync.finished( );
+	using namespace ImGui;
+	if ( BeginMainMenuBar( ) ) {
+		if ( BeginMenu( "File" ) ) {
+			if ( MenuItem( "Quit" ) ) {
+				done = true;
+			}
+			EndMenu( );
 		}
-		ImGui::SameLine( );
-		if ( ImGui::Button( demo->playing ? "Stop" : "Play" ) ) {
-			demo->playing = !demo->playing;
+		if ( BeginMenu( "Views" ) ) {
+			MenuItemCheckbox( "Input overrides" ,
+					&Globals::Sync( ).overridesWindowEnabled( ) );
+			MenuItemCheckbox( "Output debugger" ,
+					&Globals::ODbg( ).uiEnabled( ) );
+			MenuItemCheckbox( "Profiler" ,
+					&Globals::Profiler( ).uiEnabled( ) );
+			MenuItemCheckbox( "Sequencer" ,
+					&Globals::Sync( ).sequencerWindowEnabled( ) );
+			MenuItemCheckbox( "Shaders" ,
+					&Globals::Shaders( ).uiEnabled( ) );
+			EndMenu( );
 		}
+		EndMainMenuBar( );
 	}
 
-	ImGui::End( );
-
 	Globals::Profiler( ).makeUI( );
 	Globals::ODbg( ).makeUI( );
 	Globals::Shaders( ).makeUI( );
-	if ( lol ) {
-		Globals::Sync( ).makeOverridesWindow( );
-	}
+	Globals::Sync( ).makeOverridesWindow( );
+	Globals::Sync( ).makeSequencerWindow( );
 }
 
 void T_Main::render( )
diff --git a/odbg.cc b/odbg.cc
index 99e16b0..abd4586 100644
--- a/odbg.cc
+++ b/odbg.cc
@@ -41,12 +41,12 @@ void T_OutputDebugger::makeUI( )
 	if ( !enabled_ ) {
 		return;
 	}
-	auto const& dspSize( ImGui::GetIO( ).DisplaySize );
-	ImGui::SetNextWindowSize( ImVec2( 300 , dspSize.y - 300 ) ,
-			ImGuiSetCond_Once );
-	ImGui::SetNextWindowPos( ImVec2( 0 , 150 ) ,
-			ImGuiSetCond_Once );
-	ImGui::Begin( "Output debugger" );
+
+	using namespace ImGui;
+	auto const& dspSize( GetIO( ).DisplaySize );
+	SetNextWindowSize( ImVec2( 300 , dspSize.y - 170 ) , ImGuiSetCond_Appearing );
+	SetNextWindowPos( ImVec2( 0 , 20 ) , ImGuiSetCond_Appearing );
+	Begin( "Output debugger" , &enabled_ , ImGuiWindowFlags_NoCollapse );
 
 	// Main selector
 	if ( selectorItems_ == nullptr ) {
@@ -60,11 +60,11 @@ void T_OutputDebugger::makeUI( )
 		}
 	}
 	assert( csi != -1 );
-	if ( ImGui::Combo( "Output" , &csi , selectorItems_ ) ) {
+	if ( Combo( "Output" , &csi , selectorItems_ ) ) {
 		selected_ = selectorMapping_[ csi ];
 	}
 	if ( selected_ == -1 ) {
-		ImGui::End( );
+		End( );
 		return;
 	}
 
@@ -77,13 +77,13 @@ void T_OutputDebugger::makeUI( )
 			ptr += 1 + snprintf( ptr , sizeof( lodCombo ) - ( ptr - lodCombo ) , "%d" , i );
 		}
 		*ptr = 0;
-		ImGui::Combo( "Level" , &t.lod , lodCombo );
+		Combo( "Level" , &t.lod , lodCombo );
 	}
 
 	// Submode selector
-	ImGui::Combo( "Display" , &t.submode , smCombo_[ int( t.mode ) ] );
+	Combo( "Display" , &t.submode , smCombo_[ int( t.mode ) ] );
 
-	ImGui::End( );
+	End( );
 }
 
 void T_OutputDebugger::registerTexture(
diff --git a/profiling.cc b/profiling.cc
index d59add4..8d51f2f 100644
--- a/profiling.cc
+++ b/profiling.cc
@@ -119,10 +119,10 @@ void T_Profiler::makeUI( )
 
 	auto const& dspSize( ImGui::GetIO( ).DisplaySize );
 	ImGui::SetNextWindowSize( ImVec2( dspSize.x , 150 ) ,
-			ImGuiSetCond_Once );
+			ImGuiSetCond_Appearing );
 	ImGui::SetNextWindowPos( ImVec2( 0 , dspSize.y - 150 ) ,
-			ImGuiSetCond_Once );
-	ImGui::Begin( "Profiler" );
+			ImGuiSetCond_Appearing );
+	ImGui::Begin( "Profiler" , &uiEnabled_ , ImGuiWindowFlags_NoCollapse );
 
 	ImGui::BeginChild( "left" , ImVec2( 180 , 0 ) , true );
 	float angle( 0 );
diff --git a/shaders.cc b/shaders.cc
index dc34aa7..8df3529 100644
--- a/shaders.cc
+++ b/shaders.cc
@@ -1111,12 +1111,11 @@ void T_ShaderManager::makeUI( )
 		return;
 	}
 
-	auto const& dspSize( ImGui::GetIO( ).DisplaySize );
-	ImGui::SetNextWindowSize( ImVec2( dspSize.x , 150 ) ,
-			ImGuiSetCond_Once );
-	ImGui::SetNextWindowPos( ImVec2( 0 , dspSize.y - 150 ) ,
-			ImGuiSetCond_Once );
-	ImGui::Begin( "Shaders" );
+	using namespace ImGui;
+	auto const& dspSize( GetIO( ).DisplaySize );
+	SetNextWindowSize( ImVec2( dspSize.x , 150 ) , ImGuiSetCond_Appearing );
+	SetNextWindowPos( ImVec2( 0 , dspSize.y - 150 ) , ImGuiSetCond_Appearing );
+	Begin( "Shaders" , &uiEnabled_ , ImGuiWindowFlags_NoCollapse );
 
 	const auto n( std::count_if( programs_.begin( ) , programs_.end( ) ,
 			[]( auto const& p ) {
@@ -1149,40 +1148,40 @@ void T_ShaderManager::makeUI( )
 		const auto nErrors( program.code.errors.size( ) );
 
 		const bool open( nErrors
-				? ImGui::TreeNodeEx( &program , ImGuiTreeNodeFlags_OpenOnArrow
+				? TreeNodeEx( &program , ImGuiTreeNodeFlags_OpenOnArrow
 						| ImGuiTreeNodeFlags_OpenOnDoubleClick , "%s" ,
 					program.name.toOSString( ).data( ) )
 				: false );
 
 		if ( !nErrors ) {
-			ImGui::Text( "%s" , program.name.toOSString( ).data( ) );
+			Text( "%s" , program.name.toOSString( ).data( ) );
 		}
 
-		ImGui::SameLine( 400 );
-		ImGui::Text( "Usage: %u" , program.plReferences.size( ) + program.saReferences );
-		ImGui::SameLine( 550 );
+		SameLine( 400 );
+		Text( "Usage: %u" , program.plReferences.size( ) + program.saReferences );
+		SameLine( 550 );
 		if ( program.code.errors.empty( ) ) {
-			ImGui::PushStyleColor( ImGuiCol_Text , ImVec4( .6 , 1 , .6 , 1 ) );
-			ImGui::Text( "No errors" );
+			PushStyleColor( ImGuiCol_Text , ImVec4( .6 , 1 , .6 , 1 ) );
+			Text( "No errors" );
 		} else {
-			ImGui::PushStyleColor( ImGuiCol_Text , ImVec4( 1 , .6 , .6 , 1 ) );
-			ImGui::Text( "%u error%s" , nErrors , nErrors > 1 ? "s" : "" );
+			PushStyleColor( ImGuiCol_Text , ImVec4( 1 , .6 , .6 , 1 ) );
+			Text( "%u error%s" , nErrors , nErrors > 1 ? "s" : "" );
 		}
-		ImGui::PopStyleColor( );
+		PopStyleColor( );
 
 		if ( open ) {
 			for ( auto const& err : program.code.errors ) {
-				ImGui::NewLine( );
-				ImGui::SameLine( 50 );
-				ImGui::Text( "%s" , err.source.toOSString( ).data( ) );
-				ImGui::SameLine( 250 );
-				ImGui::Text( "line %d" , err.line );
-				ImGui::SameLine( 370 );
-				ImGui::Text( "%s" , err.error.toOSString( ).data( ) );
+				NewLine( );
+				SameLine( 50 );
+				Text( "%s" , err.source.toOSString( ).data( ) );
+				SameLine( 250 );
+				Text( "line %d" , err.line );
+				SameLine( 370 );
+				Text( "%s" , err.error.toOSString( ).data( ) );
 			}
-			ImGui::TreePop( );
+			TreePop( );
 		}
 	}
 
-	ImGui::End( );
+	End( );
 }
diff --git a/sync.cc b/sync.cc
index 2f7d2f1..85abb2f 100644
--- a/sync.cc
+++ b/sync.cc
@@ -540,6 +540,19 @@ void T_SyncManager::setTime(
 	updateValues( );
 }
 
+void T_SyncManager::updateTime( ) noexcept
+{
+	if ( playing_ ) {
+		const float time( SDL_GetTicks( ) * 1e-3 );
+		if ( playingPrevious_ ) {
+			timeDelta( time - lastFrame_ );
+			playing_ = !finished( );
+		}
+		lastFrame_ = time;
+	}
+	playingPrevious_ = playing_;
+}
+
 /*----------------------------------------------------------------------------*/
 
 void T_SyncManager::checkCurveFile( )
@@ -674,28 +687,6 @@ void T_SyncManager::mergeOverrides(
 	);
 }
 
-void T_SyncManager::makeOverridesWindow( )
-{
-	auto const& dspSize( ImGui::GetIO( ).DisplaySize );
-	ImGui::SetNextWindowSize( ImVec2( 300 , dspSize.y - 300 ) ,
-			ImGuiSetCond_Once );
-	ImGui::SetNextWindowPos( ImVec2( 0 , 150 ) ,
-			ImGuiSetCond_Once );
-	ImGui::Begin( "Input overrides" );
-
-	if ( soRoot_.subsections.empty( ) ) {
-		ImGui::Text( "No overrides have been defined." );
-	} else {
-		T_StringBuilder temp;
-		uint32_t counter{ 0 };
-		for ( auto& section : soRoot_.subsections ) {
-			section->makeUI( counter , temp , true );
-		}
-	}
-
-	ImGui::End( );
-}
-
 void T_SyncManager::setOverridesActive(
 		const bool active ,
 		const uint32_t n ,
@@ -716,76 +707,61 @@ void T_SyncManager::setOverridesActive(
 	}
 }
 
-#if 0
-void T_SyncManager::makeUI( )
-{
-	auto const& dspSize( ImGui::GetIO( ).DisplaySize );
+/*------------------------------------------------------------------------------*/
 
-	if ( wOverrides ) {
-		ImGui::SetNextWindowSize( ImVec2( 300 , dspSize.y - 300 ) ,
-				ImGuiSetCond_Once );
-		ImGui::SetNextWindowPos( ImVec2( 0 , 150 ) ,
-				ImGuiSetCond_Once );
-		ImGui::Begin( "Input overrides" );
-		displayOvSections( uiRoot , true );
-		ImGui::End( );
+void T_SyncManager::makeSequencerWindow( )
+{
+	if ( !tmWindow_ ) {
+		return;
 	}
-	if ( wCurves ) {
-		ImGui::SetNextWindowSize( ImVec2( dspSize.x , 150 ) ,
-				ImGuiSetCond_Once );
-		ImGui::SetNextWindowPos( ImVec2( 0 , dspSize.y - 150 ) ,
-				ImGuiSetCond_Once );
-		ImGui::Begin( "Curve editor" );
-		// XXX contents
-		ImGui::End( );
+
+	using namespace ImGui;
+	auto const& dspSize( GetIO( ).DisplaySize );
+	SetNextWindowSize( ImVec2( dspSize.x , 150 ) , ImGuiSetCond_Appearing );
+	SetNextWindowPos( ImVec2( 0 , dspSize.y - 150 ) , ImGuiSetCond_Appearing );
+	Begin( "Sequencer" , &tmWindow_ , ImGuiWindowFlags_NoCollapse );
+
+	PushID( "playing" );
+	if ( Button( playing_ ? "Stop" : "Play" ) ) {
+		playing_ = !playing_;
 	}
+	PopID( );
+
+	const float d( duration( ) );
+	float tm( time( ) );
+	SameLine( );
+	PushID( "sequencer" );
+	PushItemWidth( -1 );
+	if ( SliderFloat( "" , &tm , 0 , d , "%.1fs" ) ) {
+		setTime( tm );
+		playing_ = playing_ && !finished( );
+	}
+	PopItemWidth( );
+	PopID( );
+	End( );
 }
 
-void T_SyncManager::displayOvSections(
-		T_SyncUISections& sections ,
-		const bool topLevel )
+void T_SyncManager::makeOverridesWindow( )
 {
-	for ( auto& s : sections ) {
-		const bool display( topLevel
-				? ImGui::CollapsingHeader( s->title.c_str( ) )
-				: ImGui::TreeNode( s->title.c_str( ) ) );
-		if ( !display ) {
-			continue;
-		}
-		displayOvSections( s->subsections );
-		if ( s->subsections.size( ) && s->overrides.size( ) ) {
-			ImGui::Separator( );
-		}
-		displayOvControls( s->overrides );
-		if ( !topLevel ) {
-			ImGui::TreePop( );
+	if ( !ovWindow_ ) {
+		return;
+	}
+
+	using namespace ImGui;
+	auto const& dspSize( GetIO( ).DisplaySize );
+	SetNextWindowSize( ImVec2( 300 , dspSize.y - 170 ) , ImGuiSetCond_Appearing );
+	SetNextWindowPos( ImVec2( 0 , 20 ) , ImGuiSetCond_Appearing );
+	Begin( "Input overrides" , &ovWindow_ ,
+			ImGuiWindowFlags_NoCollapse );
+
+	if ( soRoot_.subsections.empty( ) ) {
+		Text( "No overrides have been defined." );
+	} else {
+		T_StringBuilder temp;
+		uint32_t counter{ 0 };
+		for ( auto& section : soRoot_.subsections ) {
+			section->makeUI( counter , temp , true );
 		}
 	}
+	End( );
 }
-
-void T_SyncManager::displayOvControls(
-		T_SyncUIOverrides& overrides )
-{
-	for ( auto& o : overrides ) {
-		// XXX enable override checkbox should be selected and disabled
-		// if there is no curve
-		const bool changed( ImGui::Checkbox( "" , &o->enabled ) );
-		if ( changed ) {
-			// XXX mark the inputs as coming from the UI / the curves
-		}
-		ImGui::SameLine( );
-
-		switch ( o->type ) {
-			case T_SyncUIOverride::FLOAT:
-			case T_SyncUIOverride::VEC2:
-			case T_SyncUIOverride::VEC3:
-			case T_SyncUIOverride::VEC4:
-			case T_SyncUIOverride::INT:
-			case T_SyncUIOverride::COLOR:
-			case T_SyncUIOverride::COLOR_GRADING:
-			case T_SyncUIOverride::CAMERA:
-				break;
-		}
-	}
-}
-#endif
diff --git a/sync.hh b/sync.hh
index a3216ce..b509fbf 100644
--- a/sync.hh
+++ b/sync.hh
@@ -291,8 +291,11 @@ struct T_SyncManager
 	float time( ) const noexcept
 		{ return time_.time; }
 
+	bool playing( ) const noexcept
+		{ return playing_; }
 	bool finished( ) const noexcept
 		{ return time_.time >= time_.duration( ); }
+	void updateTime( ) noexcept;
 
 	// ---------------------------------------------------------------------
 	// Value access
@@ -327,7 +330,6 @@ struct T_SyncManager
     public:
 	void clearOverrides( ) noexcept;
 	void mergeOverrides( T_SyncOverrideSection& overrides );
-	void makeOverridesWindow( );
 
 	// Mark a bunch of inputs as overridden / not overridden
 	void setOverridesActive( bool active ,
@@ -340,12 +342,28 @@ struct T_SyncManager
 	void updateCurveCaches( );
 	void updateValues( );
 
+	// ---------------------------------------------------------------------
+	// User interface
+
+	bool& sequencerWindowEnabled( ) noexcept
+		{ return tmWindow_; }
+	void makeSequencerWindow( );
+
+	bool& overridesWindowEnabled( ) noexcept
+		{ return ovWindow_; }
+	void makeOverridesWindow( );
+
     private:
 	ebcl::T_SRDParserConfig pConfig_;		// Parser config for curves
 	P_WatchedFiles watcher_;			// Curves file watcher
 	T_SyncTime time_;				// Duration/time information
+	bool playing_{ false };				// Is it playing?
+	bool playingPrevious_{ false };			// Was it playing before?
+	float lastFrame_{ 0 };				// Time of last frame
 	T_SyncValues values_;				// Value storage
 	T_SyncCurves curves_;				// Curves storage
+	bool tmWindow_{ false };			// Sequencer window
 	T_Array< P_SyncCurveCache > curveCaches_;	// Cache for curve segments
+	bool ovWindow_{ false };			// Overrides window
 	T_SyncOverrideSection soRoot_;			// Root for overrides
 };
diff --git a/utilities.cc b/utilities.cc
index 0461844..b6ec7e4 100644
--- a/utilities.cc
+++ b/utilities.cc
@@ -69,3 +69,16 @@ T_String GetParentPath(
 	free( rp );
 	return rv;
 }
+
+/*------------------------------------------------------------------------------*/
+
+bool ImGui::MenuItemCheckbox(
+		char const* name ,
+		bool* checked )
+{
+	bool rv{ MenuItem( name , "" , *checked , true ) };
+	if ( rv ) {
+		*checked = !*checked;
+	}
+	return rv;
+}
diff --git a/utilities.hh b/utilities.hh
index 20cabfe..b5539cf 100644
--- a/utilities.hh
+++ b/utilities.hh
@@ -76,3 +76,13 @@ std::string GetAbsolutePath(
 // Get the absolute parent path for a (possibly relative) path
 std::string GetParentPath(
 		std::string const& path );
+
+/*----------------------------------------------------------------------------*/
+
+namespace ImGui {
+
+	bool MenuItemCheckbox(
+			char const* name ,
+			bool* checked );
+
+} // namespace ImGui