From: TimePath <andrew.hardaker1995@gmail.com>
Date: Sat, 22 Jul 2017 04:34:22 +0000 (+1000)
Subject: Purge gtk_container_add
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=225950494a606af9aac2bc2f06ece70cb2146481;p=xonotic%2Fnetradiant.git

Purge gtk_container_add
---

diff --git a/contrib/bkgrnd2d/dialog.cpp b/contrib/bkgrnd2d/dialog.cpp
index a787c8fa..7ec945b4 100644
--- a/contrib/bkgrnd2d/dialog.cpp
+++ b/contrib/bkgrnd2d/dialog.cpp
@@ -172,8 +172,6 @@ void CBackgroundDialogPage::SetPosLabel(){
 }
 
 CBackgroundDialogPage::CBackgroundDialogPage( VIEWTYPE vt ){
-	GtkWidget *frame;
-	GtkWidget *hbox;
 	GtkWidget *w;
 
 	m_vt = vt;
@@ -198,13 +196,13 @@ CBackgroundDialogPage::CBackgroundDialogPage( VIEWTYPE vt ){
 // A vbox to hold everything
 	m_pWidget = ui::VBox( FALSE,0 );
 // Frame for file row
-	frame = ui::Frame( "File" );
+	auto frame = ui::Frame( "File" );
 	gtk_box_pack_start( GTK_BOX( m_pWidget ),frame, FALSE, FALSE, 2 );
 
 // hbox for first row
-	hbox = ui::HBox( FALSE,5 );
+	auto hbox = ui::HBox( FALSE,5 );
 	gtk_container_set_border_width( GTK_CONTAINER( hbox ),4 );
-	gtk_container_add( GTK_CONTAINER( frame ), hbox );
+	frame.add(hbox);
 
 // label to display filename
 	m_pFileLabel  = ui::Label( NO_FILE_MSG );
@@ -239,7 +237,7 @@ CBackgroundDialogPage::CBackgroundDialogPage( VIEWTYPE vt ){
 
 	hbox = ui::HBox( FALSE,5 );
 	gtk_container_set_border_width( GTK_CONTAINER( hbox ),4 );
-	gtk_container_add( GTK_CONTAINER( frame ), hbox );
+	frame.add(hbox);
 
 	w = ui::Label( "Vertex alpha:" );
 	gtk_box_pack_start( GTK_BOX( hbox ),w, FALSE, FALSE, 5 );
@@ -262,7 +260,7 @@ CBackgroundDialogPage::CBackgroundDialogPage( VIEWTYPE vt ){
 	gtk_box_pack_start( GTK_BOX( m_pWidget ), frame, FALSE, FALSE, 2 );
 
 	hbox = ui::HBox( FALSE,5 );
-	gtk_container_add( GTK_CONTAINER( frame ), hbox );
+	frame.add(hbox);
 	gtk_container_set_border_width( GTK_CONTAINER( hbox ),4 );
 
 	w = ui::Button( "from selection" );
diff --git a/contrib/bobtoolz/dialogs/dialogs-gtk.cpp b/contrib/bobtoolz/dialogs/dialogs-gtk.cpp
index 19b773fa..954747bc 100644
--- a/contrib/bobtoolz/dialogs/dialogs-gtk.cpp
+++ b/contrib/bobtoolz/dialogs/dialogs-gtk.cpp
@@ -209,11 +209,11 @@ bool ValidateTextInt( const char* pData, char* error_title, int* value ){
  */
 
 EMessageBoxReturn DoMessageBox( const char* lpText, const char* lpCaption, EMessageBoxType type ){
-	ui::Widget window, w, vbox, hbox;
+	ui::Widget w, vbox, hbox;
 	EMessageBoxReturn ret;
 	int loop = 1;
 
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 	g_signal_connect( GTK_OBJECT( window ), "delete_event",
 						G_CALLBACK( dialog_delete_callback ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "destroy",
@@ -225,7 +225,7 @@ EMessageBoxReturn DoMessageBox( const char* lpText, const char* lpCaption, EMess
 	gtk_widget_realize( window );
 
 	vbox = ui::VBox( FALSE, 10 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
+	window.add(vbox);
 	gtk_widget_show( vbox );
 
 	w = ui::Label( lpText );
@@ -321,12 +321,12 @@ EMessageBoxReturn DoMessageBox( const char* lpText, const char* lpCaption, EMess
 }
 
 EMessageBoxReturn DoIntersectBox( IntersectRS* rs ){
-	GtkWidget *window, *w, *vbox, *hbox;
+	GtkWidget *w, *hbox;
 	GtkWidget *check1, *check2;
 	EMessageBoxReturn ret;
 	int loop = 1;
 
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 
 	g_signal_connect( GTK_OBJECT( window ), "delete_event", G_CALLBACK( dialog_delete_callback ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "destroy", G_CALLBACK( gtk_widget_destroy ), NULL );
@@ -341,8 +341,8 @@ EMessageBoxReturn DoIntersectBox( IntersectRS* rs ){
 
 
 
-	vbox = ui::VBox( FALSE, 10 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
+	auto vbox = ui::VBox( FALSE, 10 );
+	window.add(vbox);
 	gtk_widget_show( vbox );
 
 	// ---- vbox ----
@@ -416,7 +416,7 @@ EMessageBoxReturn DoIntersectBox( IntersectRS* rs ){
 }
 
 EMessageBoxReturn DoPolygonBox( PolygonRS* rs ){
-	GtkWidget *window, *w, *vbox, *hbox, *vbox2, *hbox2;
+	GtkWidget *w, *hbox, *vbox2, *hbox2;
 
 	GtkWidget *check1, *check2, *check3;
 	GtkWidget *text1, *text2;
@@ -424,7 +424,7 @@ EMessageBoxReturn DoPolygonBox( PolygonRS* rs ){
 	EMessageBoxReturn ret;
 	int loop = 1;
 
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 
 	g_signal_connect( GTK_OBJECT( window ), "delete_event", G_CALLBACK( dialog_delete_callback ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "destroy", G_CALLBACK( gtk_widget_destroy ), NULL );
@@ -439,9 +439,9 @@ EMessageBoxReturn DoPolygonBox( PolygonRS* rs ){
 
 
 
-	vbox = ui::VBox( FALSE, 10 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
-	gtk_widget_show( vbox );
+	auto vbox = ui::VBox( FALSE, 10 );
+	window.add(vbox);
+	vbox.show();
 
 	// ---- vbox ----
 
@@ -586,8 +586,7 @@ EMessageBoxReturn DoPolygonBox( PolygonRS* rs ){
 // for stair builder stuck as close as i could to the MFC version
 // obviously feel free to change it at will :)
 EMessageBoxReturn DoBuildStairsBox( BuildStairsRS* rs ){
-	// i made widgets for just about everything ... i think that's what i need to do  dunno tho
-	GtkWidget   *window, *w, *vbox, *hbox;
+	GtkWidget   *w;
 	GtkWidget   *textStairHeight, *textRiserTex, *textMainTex;
 	GtkWidget   *radioNorth, *radioSouth, *radioEast, *radioWest;   // i'm guessing we can't just abuse 'w' for these if we're getting a value
 	GtkWidget   *radioOldStyle, *radioBobStyle, *radioCornerStyle;
@@ -598,7 +597,7 @@ EMessageBoxReturn DoBuildStairsBox( BuildStairsRS* rs ){
 
 	char *text = "Please set a value in the boxes below and press 'OK' to build the stairs";
 
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 
 	g_signal_connect( GTK_OBJECT( window ), "delete_event", G_CALLBACK( dialog_delete_callback ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "destroy", G_CALLBACK( gtk_widget_destroy ), NULL );
@@ -613,12 +612,12 @@ EMessageBoxReturn DoBuildStairsBox( BuildStairsRS* rs ){
 	gtk_widget_realize( window );
 
 	// new vbox
-	vbox = ui::VBox( FALSE, 10 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
+	auto vbox = ui::VBox( FALSE, 10 );
+	window.add(vbox);
 	gtk_widget_show( vbox );
 
-	hbox = ui::HBox( FALSE, 10 );
-	gtk_container_add( GTK_CONTAINER( vbox ), hbox );
+	auto hbox = ui::HBox( FALSE, 10 );
+	vbox.add(hbox);
 	gtk_widget_show( hbox );
 
 	// dunno if you want this text or not ...
@@ -843,7 +842,7 @@ EMessageBoxReturn DoBuildStairsBox( BuildStairsRS* rs ){
 }
 
 EMessageBoxReturn DoDoorsBox( DoorRS* rs ){
-	GtkWidget   *window, *hbox, *vbox, *w;
+	GtkWidget   *hbox, *w;
 	GtkWidget   *textFrontBackTex, *textTrimTex;
 	GtkWidget   *checkScaleMainH, *checkScaleMainV, *checkScaleTrimH, *checkScaleTrimV;
 	GtkWidget   *comboMain, *comboTrim;
@@ -854,7 +853,7 @@ EMessageBoxReturn DoDoorsBox( DoorRS* rs ){
 	EMessageBoxReturn ret;
 	int loop = 1;
 
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 
 	g_signal_connect( GTK_OBJECT( window ), "delete_event", G_CALLBACK( dialog_delete_callback ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "destroy", G_CALLBACK( gtk_widget_destroy ), NULL );
@@ -874,8 +873,8 @@ EMessageBoxReturn DoDoorsBox( DoorRS* rs ){
 	LoadGList( GetFilename( buffer, "plugins/bt/door-tex.txt" ), listMainTextures );
 	LoadGList( GetFilename( buffer, "plugins/bt/door-tex-trim.txt" ), listTrimTextures );
 
-	vbox = ui::VBox( FALSE, 10 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
+	auto vbox = ui::VBox( FALSE, 10 );
+	window.add(vbox);
 	gtk_widget_show( vbox );
 
 	// -------------------------- //
@@ -1059,7 +1058,7 @@ EMessageBoxReturn DoDoorsBox( DoorRS* rs ){
 }
 
 EMessageBoxReturn DoPathPlotterBox( PathPlotterRS* rs ){
-	GtkWidget *window, *w, *vbox, *hbox;
+	GtkWidget *w, *hbox;
 
 	GtkWidget *text1, *text2, *text3;
 	GtkWidget *check1, *check2;
@@ -1067,7 +1066,7 @@ EMessageBoxReturn DoPathPlotterBox( PathPlotterRS* rs ){
 	EMessageBoxReturn ret;
 	int loop = 1;
 
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 
 	g_signal_connect( GTK_OBJECT( window ), "delete_event", G_CALLBACK( dialog_delete_callback ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "destroy", G_CALLBACK( gtk_widget_destroy ), NULL );
@@ -1082,8 +1081,8 @@ EMessageBoxReturn DoPathPlotterBox( PathPlotterRS* rs ){
 
 
 
-	vbox = ui::VBox( FALSE, 10 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
+	auto vbox = ui::VBox( FALSE, 10 );
+	window.add(vbox);
 	gtk_widget_show( vbox );
 
 	// ---- vbox ----
@@ -1234,11 +1233,11 @@ EMessageBoxReturn DoPathPlotterBox( PathPlotterRS* rs ){
 }
 
 EMessageBoxReturn DoCTFColourChangeBox(){
-	GtkWidget *window, *w, *vbox, *hbox;
+	GtkWidget *w, *hbox;
 	EMessageBoxReturn ret;
 	int loop = 1;
 
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 
 	g_signal_connect( GTK_OBJECT( window ), "delete_event", G_CALLBACK( dialog_delete_callback ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "destroy", G_CALLBACK( gtk_widget_destroy ), NULL );
@@ -1253,8 +1252,8 @@ EMessageBoxReturn DoCTFColourChangeBox(){
 
 
 
-	vbox = ui::VBox( FALSE, 10 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
+	auto vbox = ui::VBox( FALSE, 10 );
+	window.add(vbox);
 	gtk_widget_show( vbox );
 
 	// ---- vbox ----
@@ -1304,12 +1303,12 @@ EMessageBoxReturn DoCTFColourChangeBox(){
 EMessageBoxReturn DoResetTextureBox( ResetTextureRS* rs ){
 	Str texSelected;
 
-	GtkWidget *window, *w, *vbox, *hbox, *frame, *table;
+	GtkWidget *w, *hbox;
 
 	EMessageBoxReturn ret;
 	int loop = 1;
 
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 
 	g_signal_connect( GTK_OBJECT( window ), "delete_event", G_CALLBACK( dialog_delete_callback ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "destroy", G_CALLBACK( gtk_widget_destroy ), NULL );
@@ -1322,9 +1321,9 @@ EMessageBoxReturn DoResetTextureBox( ResetTextureRS* rs ){
 
 	gtk_widget_realize( window );
 
-	vbox = ui::VBox( FALSE, 10 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
-	gtk_widget_show( vbox );
+	auto vbox = ui::VBox( FALSE, 10 );
+	window.add(vbox);
+	vbox.show();
 
 	// ---- vbox ----
 
@@ -1344,13 +1343,13 @@ EMessageBoxReturn DoResetTextureBox( ResetTextureRS* rs ){
 
 	// ---- /hbox ----
 
-	frame = ui::Frame( "Reset Texture Names" );
+	auto frame = ui::Frame( "Reset Texture Names" );
 	gtk_widget_show( frame );
 	gtk_box_pack_start( GTK_BOX( vbox ), frame, FALSE, TRUE, 0 );
 
-	table = ui::Table( 2, 3, TRUE );
-	gtk_widget_show( table );
-	gtk_container_add( GTK_CONTAINER( frame ), table );
+	auto table = ui::Table( 2, 3, TRUE );
+	table.show();
+	frame.add(table);
 	gtk_table_set_row_spacings( GTK_TABLE( table ), 5 );
 	gtk_table_set_col_spacings( GTK_TABLE( table ), 5 );
 	gtk_container_set_border_width( GTK_CONTAINER( table ), 5 );
@@ -1397,8 +1396,8 @@ EMessageBoxReturn DoResetTextureBox( ResetTextureRS* rs ){
 	gtk_box_pack_start( GTK_BOX( vbox ), frame, FALSE, TRUE, 0 );
 
 	table = ui::Table( 2, 3, TRUE );
-	gtk_widget_show( table );
-	gtk_container_add( GTK_CONTAINER( frame ), table );
+	table.show();
+	frame.add(table);
 	gtk_table_set_row_spacings( GTK_TABLE( table ), 5 );
 	gtk_table_set_col_spacings( GTK_TABLE( table ), 5 );
 	gtk_container_set_border_width( GTK_CONTAINER( table ), 5 );
@@ -1453,8 +1452,8 @@ EMessageBoxReturn DoResetTextureBox( ResetTextureRS* rs ){
 	gtk_box_pack_start( GTK_BOX( vbox ), frame, FALSE, TRUE, 0 );
 
 	table = ui::Table( 2, 3, TRUE );
-	gtk_widget_show( table );
-	gtk_container_add( GTK_CONTAINER( frame ), table );
+	table.show();
+	frame.add(table);
 	gtk_table_set_row_spacings( GTK_TABLE( table ), 5 );
 	gtk_table_set_col_spacings( GTK_TABLE( table ), 5 );
 	gtk_container_set_border_width( GTK_CONTAINER( table ), 5 );
@@ -1509,8 +1508,8 @@ EMessageBoxReturn DoResetTextureBox( ResetTextureRS* rs ){
 	gtk_box_pack_start( GTK_BOX( vbox ), frame, FALSE, TRUE, 0 );
 
 	table = ui::Table( 1, 3, TRUE );
-	gtk_widget_show( table );
-	gtk_container_add( GTK_CONTAINER( frame ), table );
+	table.show();
+	frame.add(table);
 	gtk_table_set_row_spacings( GTK_TABLE( table ), 5 );
 	gtk_table_set_col_spacings( GTK_TABLE( table ), 5 );
 	gtk_container_set_border_width( GTK_CONTAINER( table ), 5 );
@@ -1635,7 +1634,7 @@ EMessageBoxReturn DoResetTextureBox( ResetTextureRS* rs ){
 EMessageBoxReturn DoTrainThingBox( TrainThingRS* rs ){
 	Str texSelected;
 
-	GtkWidget *window, *w, *vbox, *hbox, *frame, *table;
+	GtkWidget *w, *hbox;
 
 	GtkWidget *radiusX, *radiusY;
 	GtkWidget *angleStart, *angleEnd;
@@ -1645,7 +1644,7 @@ EMessageBoxReturn DoTrainThingBox( TrainThingRS* rs ){
 	EMessageBoxReturn ret;
 	int loop = 1;
 
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 
 	g_signal_connect( GTK_OBJECT( window ), "delete_event", G_CALLBACK( dialog_delete_callback ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "destroy", G_CALLBACK( gtk_widget_destroy ), NULL );
@@ -1658,9 +1657,9 @@ EMessageBoxReturn DoTrainThingBox( TrainThingRS* rs ){
 
 	gtk_widget_realize( window );
 
-	vbox = ui::VBox( FALSE, 10 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
-	gtk_widget_show( vbox );
+	auto vbox = ui::VBox( FALSE, 10 );
+	window.add(vbox);
+	vbox.show();
 
 	// ---- vbox ----
 
@@ -1670,13 +1669,13 @@ EMessageBoxReturn DoTrainThingBox( TrainThingRS* rs ){
 
 	// ---- /hbox ----
 
-	frame = ui::Frame( "Radii" );
+	auto frame = ui::Frame( "Radii" );
 	gtk_widget_show( frame );
 	gtk_box_pack_start( GTK_BOX( vbox ), frame, FALSE, TRUE, 0 );
 
-	table = ui::Table( 2, 3, TRUE );
-	gtk_widget_show( table );
-	gtk_container_add( GTK_CONTAINER( frame ), table );
+	auto table = ui::Table( 2, 3, TRUE );
+	table.show();
+	frame.add(table);
 	gtk_table_set_row_spacings( GTK_TABLE( table ), 5 );
 	gtk_table_set_col_spacings( GTK_TABLE( table ), 5 );
 	gtk_container_set_border_width( GTK_CONTAINER( table ), 5 );
@@ -1718,8 +1717,8 @@ EMessageBoxReturn DoTrainThingBox( TrainThingRS* rs ){
 	gtk_box_pack_start( GTK_BOX( vbox ), frame, FALSE, TRUE, 0 );
 
 	table = ui::Table( 2, 3, TRUE );
-	gtk_widget_show( table );
-	gtk_container_add( GTK_CONTAINER( frame ), table );
+	table.show();
+	frame.add(table);
 	gtk_table_set_row_spacings( GTK_TABLE( table ), 5 );
 	gtk_table_set_col_spacings( GTK_TABLE( table ), 5 );
 	gtk_container_set_border_width( GTK_CONTAINER( table ), 5 );
@@ -1760,8 +1759,8 @@ EMessageBoxReturn DoTrainThingBox( TrainThingRS* rs ){
 	gtk_box_pack_start( GTK_BOX( vbox ), frame, FALSE, TRUE, 0 );
 
 	table = ui::Table( 2, 3, TRUE );
-	gtk_widget_show( table );
-	gtk_container_add( GTK_CONTAINER( frame ), table );
+	table.show();
+	frame.add(table);
 	gtk_table_set_row_spacings( GTK_TABLE( table ), 5 );
 	gtk_table_set_col_spacings( GTK_TABLE( table ), 5 );
 	gtk_container_set_border_width( GTK_CONTAINER( table ), 5 );
@@ -1803,8 +1802,8 @@ EMessageBoxReturn DoTrainThingBox( TrainThingRS* rs ){
 	gtk_box_pack_start( GTK_BOX( vbox ), frame, FALSE, TRUE, 0 );
 
 	table = ui::Table( 2, 3, TRUE );
-	gtk_widget_show( table );
-	gtk_container_add( GTK_CONTAINER( frame ), table );
+	table.show();
+	frame.add(table);
 	gtk_table_set_row_spacings( GTK_TABLE( table ), 5 );
 	gtk_table_set_col_spacings( GTK_TABLE( table ), 5 );
 	gtk_container_set_border_width( GTK_CONTAINER( table ), 5 );
@@ -1901,14 +1900,14 @@ EMessageBoxReturn DoTrainThingBox( TrainThingRS* rs ){
 // ailmanki
 // add a simple input for the MakeChain thing..
 EMessageBoxReturn DoMakeChainBox( MakeChainRS* rs ){
-	GtkWidget   *window, *w, *vbox, *hbox;
+	GtkWidget   *w;
 	GtkWidget   *textlinkNum, *textlinkName;
 	EMessageBoxReturn ret;
 	int loop = 1;
 
-	char    *text = "Please set a value in the boxes below and press 'OK' to make a chain";
+	char const *text = "Please set a value in the boxes below and press 'OK' to make a chain";
 
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 
 	g_signal_connect( GTK_OBJECT( window ), "delete_event", G_CALLBACK( dialog_delete_callback ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "destroy", G_CALLBACK( gtk_widget_destroy ), NULL );
@@ -1923,13 +1922,13 @@ EMessageBoxReturn DoMakeChainBox( MakeChainRS* rs ){
 	gtk_widget_realize( window );
 
 	// new vbox
-	vbox = ui::VBox( FALSE, 10 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
-	gtk_widget_show( vbox );
+	auto vbox = ui::VBox( FALSE, 10 );
+	window.add(vbox);
+	vbox.show();
 
-	hbox = ui::HBox( FALSE, 10 );
-	gtk_container_add( GTK_CONTAINER( vbox ), hbox );
-	gtk_widget_show( hbox );
+	auto hbox = ui::HBox( FALSE, 10 );
+	vbox.add(hbox);
+	hbox.show();
 
 	// dunno if you want this text or not ...
 	w = ui::Label( text );
diff --git a/contrib/brushexport/interface.cpp b/contrib/brushexport/interface.cpp
index dc37bc8c..131883ed 100644
--- a/contrib/brushexport/interface.cpp
+++ b/contrib/brushexport/interface.cpp
@@ -15,8 +15,6 @@
 // created by glade
 GtkWidget*
 create_w_plugplug2( void ){
-	GtkWidget *w_plugplug2;
-	GtkWidget *vbox1;
 	GtkWidget *hbox2;
 	GtkWidget *vbox4;
 	GtkWidget *r_collapse;
@@ -28,8 +26,6 @@ create_w_plugplug2( void ){
 	GtkWidget *b_close;
 	GtkWidget *vbox2;
 	GtkWidget *label1;
-	GtkWidget *scrolledwindow1;
-	GtkWidget *t_materialist;
 	GtkWidget *ed_materialname;
 	GtkWidget *hbox1;
 	GtkWidget *b_addmaterial;
@@ -38,16 +34,16 @@ create_w_plugplug2( void ){
 	GtkWidget *t_limitmatnames;
 	GtkWidget *t_objects;
 
-	w_plugplug2 = ui::Window( ui::window_type::TOP );
+	auto w_plugplug2 = ui::Window( ui::window_type::TOP );
 	gtk_widget_set_name( w_plugplug2, "w_plugplug2" );
 	gtk_window_set_title( GTK_WINDOW( w_plugplug2 ), "BrushExport-Plugin 3.0 by namespace" );
 	gtk_window_set_position( GTK_WINDOW( w_plugplug2 ), GTK_WIN_POS_CENTER );
 	gtk_window_set_destroy_with_parent( GTK_WINDOW( w_plugplug2 ), TRUE );
 
-	vbox1 = ui::VBox( FALSE, 0 );
+	auto vbox1 = ui::VBox( FALSE, 0 );
 	gtk_widget_set_name( vbox1, "vbox1" );
 	gtk_widget_show( vbox1 );
-	gtk_container_add( GTK_CONTAINER( w_plugplug2 ), vbox1 );
+	w_plugplug2.add(vbox1);
 	gtk_container_set_border_width( GTK_CONTAINER( vbox1 ), 5 );
 
 	hbox2 = ui::HBox( TRUE, 5 );
@@ -113,17 +109,17 @@ create_w_plugplug2( void ){
 	gtk_widget_show( label1 );
 	gtk_box_pack_start( GTK_BOX( vbox2 ), label1, FALSE, FALSE, 0 );
 
-	scrolledwindow1 = ui::ScrolledWindow();
+	auto scrolledwindow1 = ui::ScrolledWindow();
 	gtk_widget_set_name( scrolledwindow1, "scrolledwindow1" );
-	gtk_widget_show( scrolledwindow1 );
+	scrolledwindow1.show();
 	gtk_box_pack_start( GTK_BOX( vbox2 ), scrolledwindow1, TRUE, TRUE, 0 );
 	gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scrolledwindow1 ), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
 	gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW( scrolledwindow1 ), GTK_SHADOW_IN );
 
-	t_materialist = ui::TreeView();
+	auto t_materialist = ui::TreeView();
 	gtk_widget_set_name( t_materialist, "t_materialist" );
-	gtk_widget_show( t_materialist );
-	gtk_container_add( GTK_CONTAINER( scrolledwindow1 ), t_materialist );
+	t_materialist.show();
+	scrolledwindow1.add(t_materialist);
 	gtk_tree_view_set_headers_visible( GTK_TREE_VIEW( t_materialist ), FALSE );
 	gtk_tree_view_set_enable_search( GTK_TREE_VIEW( t_materialist ), FALSE );
 
diff --git a/contrib/camera/dialogs.cpp b/contrib/camera/dialogs.cpp
index 460f8abf..a3b8423d 100644
--- a/contrib/camera/dialogs.cpp
+++ b/contrib/camera/dialogs.cpp
@@ -61,7 +61,7 @@ static gint ci_editmode_add( GtkWidget *widget, gpointer data ){
    }*/
 
 static gint ci_new( GtkWidget *widget, gpointer data ){
-	GtkWidget *window, *w, *vbox, *vbox2, *hbox, *frame; //, *name;
+	GtkWidget *w, *hbox; //, *name;
 	GtkWidget *fixed, *interpolated, *spline;
 	EMessageBoxReturn ret;
 	int loop = 1;
@@ -69,7 +69,7 @@ static gint ci_new( GtkWidget *widget, gpointer data ){
 //	char buf[128];
 
 	// create the window
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 	gtk_window_set_title( GTK_WINDOW( window ), "New Camera" );
 	g_signal_connect( GTK_OBJECT( window ), "delete_event", G_CALLBACK( dialog_delete_callback ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "destroy", G_CALLBACK( gtk_widget_destroy ), NULL );
@@ -81,9 +81,9 @@ static gint ci_new( GtkWidget *widget, gpointer data ){
 	gtk_widget_realize( window );
 
 	// fill the window
-	vbox = ui::VBox( FALSE, 5 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
-	gtk_widget_show( vbox );
+	auto vbox = ui::VBox( FALSE, 5 );
+	window.add(vbox);
+	vbox.show();
 
 	// -------------------------- //
 
@@ -91,12 +91,12 @@ static gint ci_new( GtkWidget *widget, gpointer data ){
 	gtk_box_pack_start( GTK_BOX( vbox ), hbox, FALSE, FALSE, 0 );
 	gtk_widget_show( hbox );
 
-	frame = ui::Frame( "Type" );
+	auto frame = ui::Frame( "Type" );
 	gtk_box_pack_start( GTK_BOX( hbox ), frame, TRUE, TRUE, 0 );
 	gtk_widget_show( frame );
 
-	vbox2 = ui::VBox( FALSE, 5 );
-	gtk_container_add( GTK_CONTAINER( frame ), vbox2 );
+	auto vbox2 = ui::VBox( FALSE, 5 );
+	frame.add(vbox2);
 	gtk_container_set_border_width( GTK_CONTAINER( vbox2 ), 5 );
 	gtk_widget_show( vbox2 );
 
@@ -353,7 +353,7 @@ static void RefreshEventList( void ){
 }
 
 static gint ci_rename( GtkWidget *widget, gpointer data ){
-	GtkWidget *window, *w, *vbox, *hbox, *name;
+	GtkWidget *w, *hbox, *name;
 	EMessageBoxReturn ret;
 	int loop = 1;
 
@@ -362,7 +362,7 @@ static gint ci_rename( GtkWidget *widget, gpointer data ){
 	}
 
 	// create the window
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 	gtk_window_set_title( GTK_WINDOW( window ), "Rename Path" );
 	g_signal_connect( GTK_OBJECT( window ), "delete_event", G_CALLBACK( dialog_delete_callback ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "destroy", G_CALLBACK( gtk_widget_destroy ), NULL );
@@ -374,9 +374,9 @@ static gint ci_rename( GtkWidget *widget, gpointer data ){
 	gtk_widget_realize( window );
 
 	// fill the window
-	vbox = ui::VBox( FALSE, 5 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
-	gtk_widget_show( vbox );
+	auto vbox = ui::VBox( FALSE, 5 );
+	window.add(vbox);
+	vbox.show();
 
 	// -------------------------- //
 
@@ -469,7 +469,7 @@ static gint ci_rename( GtkWidget *widget, gpointer data ){
 }
 
 static gint ci_add_target( GtkWidget *widget, gpointer data ){
-	GtkWidget *window, *w, *vbox, *vbox2, *hbox, *frame, *name;
+	GtkWidget *w, *hbox, *name;
 	GtkWidget *fixed, *interpolated, *spline;
 	EMessageBoxReturn ret;
 	int loop = 1;
@@ -481,7 +481,7 @@ static gint ci_add_target( GtkWidget *widget, gpointer data ){
 	}
 
 	// create the window
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 	gtk_window_set_title( GTK_WINDOW( window ), "Add Target" );
 	g_signal_connect( GTK_OBJECT( window ), "delete_event", G_CALLBACK( dialog_delete_callback ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "destroy", G_CALLBACK( gtk_widget_destroy ), NULL );
@@ -493,9 +493,9 @@ static gint ci_add_target( GtkWidget *widget, gpointer data ){
 	gtk_widget_realize( window );
 
 	// fill the window
-	vbox = ui::VBox( FALSE, 5 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
-	gtk_widget_show( vbox );
+	auto vbox = ui::VBox( FALSE, 5 );
+	window.add(vbox);
+	vbox.show();
 
 	// -------------------------- //
 
@@ -520,12 +520,12 @@ static gint ci_add_target( GtkWidget *widget, gpointer data ){
 	gtk_box_pack_start( GTK_BOX( vbox ), hbox, FALSE, FALSE, 0 );
 	gtk_widget_show( hbox );
 
-	frame = ui::Frame( "Type" );
+	auto frame = ui::Frame( "Type" );
 	gtk_box_pack_start( GTK_BOX( hbox ), frame, TRUE, TRUE, 0 );
 	gtk_widget_show( frame );
 
-	vbox2 = ui::VBox( FALSE, 5 );
-	gtk_container_add( GTK_CONTAINER( frame ), vbox2 );
+	auto vbox2 = ui::VBox( FALSE, 5 );
+	frame.add(vbox2);
 	gtk_container_set_border_width( GTK_CONTAINER( vbox2 ), 5 );
 	gtk_widget_show( vbox2 );
 
@@ -817,7 +817,7 @@ const char *camEventStr[] = {
 };
 
 static gint ci_add( GtkWidget *widget, gpointer data ){
-	GtkWidget *window, *w, *vbox, *vbox2, *hbox, *frame, *parameters;
+	GtkWidget *w, *hbox, *parameters;
 	GtkWidget *eventWidget[EVENT_COUNT];
 	EMessageBoxReturn ret;
 	int i, loop = 1;
@@ -829,7 +829,7 @@ static gint ci_add( GtkWidget *widget, gpointer data ){
 	}
 
 	// create the window
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 	gtk_window_set_title( GTK_WINDOW( window ), "Add Event" );
 	g_signal_connect( GTK_OBJECT( window ), "delete_event", G_CALLBACK( dialog_delete_callback ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "destroy", G_CALLBACK( gtk_widget_destroy ), NULL );
@@ -841,9 +841,9 @@ static gint ci_add( GtkWidget *widget, gpointer data ){
 	gtk_widget_realize( window );
 
 	// fill the window
-	vbox = ui::VBox( FALSE, 5 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
-	gtk_widget_show( vbox );
+	auto vbox = ui::VBox( FALSE, 5 );
+	window.add(vbox);
+	vbox.show();
 
 	// -------------------------- //
 
@@ -851,12 +851,12 @@ static gint ci_add( GtkWidget *widget, gpointer data ){
 	gtk_box_pack_start( GTK_BOX( vbox ), hbox, FALSE, FALSE, 0 );
 	gtk_widget_show( hbox );
 
-	frame = ui::Frame( "Type" );
+	auto frame = ui::Frame( "Type" );
 	gtk_box_pack_start( GTK_BOX( hbox ), frame, TRUE, TRUE, 0 );
 	gtk_widget_show( frame );
 
-	vbox2 = ui::VBox( FALSE, 5 );
-	gtk_container_add( GTK_CONTAINER( frame ), vbox2 );
+	auto vbox2 = ui::VBox( FALSE, 5 );
+	frame.add(vbox2);
 	gtk_container_set_border_width( GTK_CONTAINER( vbox2 ), 5 );
 	gtk_widget_show( vbox2 );
 
@@ -992,10 +992,10 @@ static gint ci_timeline_changed( GtkAdjustment *adjustment ){
 }
 
 GtkWidget *CreateCameraInspectorDialog( void ){
-	GtkWidget *window, *w, *vbox, *hbox, *table, *frame;
+	GtkWidget *w, *hbox;
 
 	// create the window
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 	gtk_window_set_title( GTK_WINDOW( window ), "Camera Inspector" );
 	g_signal_connect( GTK_OBJECT( window ), "delete_event", G_CALLBACK( ci_close ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "expose_event", G_CALLBACK( ci_expose ), NULL );
@@ -1010,9 +1010,9 @@ GtkWidget *CreateCameraInspectorDialog( void ){
 	// the table
 	// -------------------------- //
 
-	table = ui::Table( 3, 2, FALSE );
-	gtk_widget_show( table );
-	gtk_container_add( GTK_CONTAINER( window ), table );
+	auto table = ui::Table( 3, 2, FALSE );
+	table.show();
+	window.add(table);
 	gtk_container_set_border_width( GTK_CONTAINER( table ), 5 );
 	gtk_table_set_row_spacings( GTK_TABLE( table ), 5 );
 	gtk_table_set_col_spacings( GTK_TABLE( table ), 5 );
@@ -1070,16 +1070,16 @@ GtkWidget *CreateCameraInspectorDialog( void ){
 
 	// -------------------------- //
 
-	frame = ui::Frame( "Path and Target editing" );
-	gtk_widget_show( frame );
+	auto frame = ui::Frame( "Path and Target editing" );
+	frame.show();
 	gtk_table_attach( GTK_TABLE( table ), frame, 0, 1, 1, 2,
 					  (GtkAttachOptions) ( GTK_EXPAND | GTK_FILL ),
 					  (GtkAttachOptions) ( GTK_FILL ), 0, 0 );
 
-	vbox = ui::VBox( FALSE, 5 );
-	gtk_container_add( GTK_CONTAINER( frame ), vbox );
+	auto vbox = ui::VBox( FALSE, 5 );
+	frame.add(vbox);
 	gtk_container_set_border_width( GTK_CONTAINER( vbox ), 5 );
-	gtk_widget_show( vbox );
+	vbox.show();
 
 	// -------------------------- //
 
@@ -1171,9 +1171,9 @@ GtkWidget *CreateCameraInspectorDialog( void ){
 					  (GtkAttachOptions) ( GTK_FILL ), 0, 0 );
 
 	vbox = ui::VBox( FALSE, 5 );
-	gtk_container_add( GTK_CONTAINER( frame ), vbox );
+	frame.add(vbox);
 	gtk_container_set_border_width( GTK_CONTAINER( vbox ), 5 );
-	gtk_widget_show( vbox );
+	vbox.show();
 
 	// -------------------------- //
 
@@ -1252,14 +1252,14 @@ GtkWidget *CreateCameraInspectorDialog( void ){
 	gtk_box_pack_start( GTK_BOX( vbox ), hbox, FALSE, FALSE, 0 );
 	gtk_widget_show( hbox );
 
-	w = ui::ScrolledWindow();
+	auto scr = w = ui::ScrolledWindow();
 	gtk_widget_set_size_request( w, 0, 150 );
 	gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( w ), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
 	gtk_box_pack_start( GTK_BOX( hbox ), w, TRUE, TRUE, 0 );
 	gtk_widget_show( w );
 
 	g_pEventsList = gtk_clist_new( 3 );
-	gtk_container_add( GTK_CONTAINER( w ), g_pEventsList );
+	scr.add(g_pEventsList);
 	//g_signal_connect( GTK_OBJECT(g_pEventsList), "select_row", G_CALLBACK (proplist_select_row), NULL);
 	gtk_clist_set_selection_mode( GTK_CLIST( g_pEventsList ), GTK_SELECTION_BROWSE );
 	gtk_clist_column_titles_hide( GTK_CLIST( g_pEventsList ) );
diff --git a/contrib/gtkgensurf/gendlgs.cpp b/contrib/gtkgensurf/gendlgs.cpp
index d0639f0a..fe41d935 100644
--- a/contrib/gtkgensurf/gendlgs.cpp
+++ b/contrib/gtkgensurf/gendlgs.cpp
@@ -1344,7 +1344,7 @@ void create_tooltips(){
 // create main dialog
 
 GtkWidget* create_main_dialog(){
-	GtkWidget *dlg, *vbox, *hbox, *hbox2, *button, *notebook, *frame, *table, *table2;
+	GtkWidget *hbox2, *button, *notebook, *table2;
 	GtkWidget *check, *spin, *radio, *label, *entry, *scale;
 	ui::Adjustment adj;
 	GSList *group;
@@ -1355,15 +1355,15 @@ GtkWidget* create_main_dialog(){
 	const char *orientations[] = { "Ground surface", "Ceiling", "Wall facing 0", "Wall facing 90",
 								   "Wall facing 180","Wall facing 270" };
 
-	g_pWnd = dlg = ui::Window( ui::window_type::TOP );
+	auto dlg = g_pWnd = ui::Window( ui::window_type::TOP );
 	gtk_window_set_title( GTK_WINDOW( dlg ), gszCaption );
 	g_signal_connect( G_OBJECT( dlg ), "delete_event", G_CALLBACK( main_close ), NULL );
 	//  g_signal_connect (G_OBJECT (dlg), "destroy", G_CALLBACK (gtk_widget_destroy), NULL);
 	gtk_window_set_transient_for( GTK_WINDOW( dlg ), GTK_WINDOW( g_pRadiantWnd ) );
 
-	hbox = ui::HBox( FALSE, 5 );
-	gtk_widget_show( hbox );
-	gtk_container_add( GTK_CONTAINER( dlg ), hbox );
+	auto hbox = ui::HBox( FALSE, 5 );
+	hbox.show();
+	dlg.add(hbox);
 	gtk_container_set_border_width( GTK_CONTAINER( hbox ), 5 );
 
 	notebook = gtk_notebook_new();
@@ -1384,15 +1384,15 @@ GtkWidget* create_main_dialog(){
 	gtk_widget_show( label );
 	gtk_notebook_append_page( GTK_NOTEBOOK( notebook ), table, label );
 
-	frame = ui::Frame( "Game" );
+	auto frame = ui::Frame( "Game" );
 	gtk_widget_show( frame );
 	gtk_table_attach( GTK_TABLE( table ), frame, 0, 1, 0, 1,
 					  (GtkAttachOptions) ( GTK_EXPAND | GTK_FILL ),
 					  (GtkAttachOptions) ( GTK_EXPAND | GTK_FILL ), 0, 0 );
 
-	vbox = ui::VBox( TRUE, 5 );
-	gtk_widget_show( vbox );
-	gtk_container_add( GTK_CONTAINER( frame ), vbox );
+	auto vbox = ui::VBox( TRUE, 5 );
+	vbox.show();
+	frame.add(vbox);
 	gtk_container_set_border_width( GTK_CONTAINER( vbox ), 5 );
 
 	for ( i = 0, group = NULL; i < NUMGAMES; i++ )
@@ -1412,8 +1412,8 @@ GtkWidget* create_main_dialog(){
 					  (GtkAttachOptions) ( GTK_EXPAND | GTK_FILL ), 0, 0 );
 
 	vbox = ui::VBox( TRUE, 5 );
-	gtk_widget_show( vbox );
-	gtk_container_add( GTK_CONTAINER( frame ), vbox );
+	vbox.show();
+	frame.add(vbox);
 	gtk_container_set_border_width( GTK_CONTAINER( vbox ), 5 );
 
 	for ( i = 0, group = NULL; i < 5; i++ )
@@ -1433,8 +1433,8 @@ GtkWidget* create_main_dialog(){
 					  (GtkAttachOptions) ( GTK_EXPAND | GTK_FILL ), 0, 0 );
 
 	vbox = ui::VBox( TRUE, 5 );
-	gtk_widget_show( vbox );
-	gtk_container_add( GTK_CONTAINER( frame ), vbox );
+	vbox.show();
+	frame.add(vbox);
 	gtk_container_set_border_width( GTK_CONTAINER( vbox ), 5 );
 
 	for ( i = 0, group = NULL; i < 6; i++ )
@@ -1540,10 +1540,10 @@ GtkWidget* create_main_dialog(){
 	gtk_widget_show( frame );
 	gtk_box_pack_start( GTK_BOX( hbox2 ), frame, TRUE, TRUE, 0 );
 
-	table = ui::Table( 3, 4, FALSE );
-	gtk_widget_show( table );
+	auto table = ui::Table( 3, 4, FALSE );
+	table.show();
 	gtk_container_set_border_width( GTK_CONTAINER( table ), 5 );
-	gtk_container_add( GTK_CONTAINER( frame ), table );
+	frame.add(table);
 	gtk_table_set_row_spacings( GTK_TABLE( table ), 5 );
 	gtk_table_set_col_spacings( GTK_TABLE( table ), 5 );
 
@@ -1628,9 +1628,9 @@ GtkWidget* create_main_dialog(){
 	gtk_box_pack_start( GTK_BOX( hbox2 ), frame, TRUE, TRUE, 0 );
 
 	table = ui::Table( 2, 2, FALSE );
-	gtk_widget_show( table );
+	table.show();
 	gtk_container_set_border_width( GTK_CONTAINER( table ), 5 );
-	gtk_container_add( GTK_CONTAINER( frame ), table );
+	frame.add(table);
 	gtk_table_set_row_spacings( GTK_TABLE( table ), 5 );
 	gtk_table_set_col_spacings( GTK_TABLE( table ), 5 );
 
@@ -1712,9 +1712,9 @@ GtkWidget* create_main_dialog(){
 	gtk_box_pack_start( GTK_BOX( vbox ), frame, FALSE, TRUE, 0 );
 
 	table = ui::Table( 3, 4, FALSE );
-	gtk_widget_show( table );
+	table.show();
 	gtk_container_set_border_width( GTK_CONTAINER( table ), 5 );
-	gtk_container_add( GTK_CONTAINER( frame ), table );
+	frame.add(table);
 	gtk_table_set_row_spacings( GTK_TABLE( table ), 5 );
 	gtk_table_set_col_spacings( GTK_TABLE( table ), 5 );
 
diff --git a/contrib/gtkgensurf/gensurf.cpp b/contrib/gtkgensurf/gensurf.cpp
index cecc8ab2..1be8b135 100644
--- a/contrib/gtkgensurf/gensurf.cpp
+++ b/contrib/gtkgensurf/gensurf.cpp
@@ -71,7 +71,7 @@ int Antialiasing;             // ^Fishman - Antializing for the preview window.
 int AddTerrainKey;             // ^Fishman - Add terrain key to func_group.
 int SP;             // ^Fishman - Snap to grid.
 
-GtkWidget *g_pWnd;        // ghwnd;
+ui::Window g_pWnd{ui::null};        // ghwnd;
 GtkWidget *g_pRadiantWnd; // ghwnd_main;
 /*HWND      ghwndAngles;
  */GtkWidget *g_pWndPreview;
diff --git a/contrib/gtkgensurf/gensurf.h b/contrib/gtkgensurf/gensurf.h
index 99e4a46b..521e4ab4 100644
--- a/contrib/gtkgensurf/gensurf.h
+++ b/contrib/gtkgensurf/gensurf.h
@@ -414,7 +414,7 @@ extern int SP;       // ^Fishman - Snap to grid.
    extern HCURSOR   ghCursorVertex;
    extern HINSTANCE ghInst;*/
 extern GtkWidget *g_pRadiantWnd;
-extern GtkWidget *g_pWnd;
+extern ui::Window g_pWnd;
 /*extern HWND      ghwndAngles;
    extern HWND      ghwndFix;
  */extern GtkWidget     *g_pWndPreview;
diff --git a/contrib/gtkgensurf/view.cpp b/contrib/gtkgensurf/view.cpp
index 00c74aaa..da39689e 100644
--- a/contrib/gtkgensurf/view.cpp
+++ b/contrib/gtkgensurf/view.cpp
@@ -363,7 +363,7 @@ static void preview_spin( GtkAdjustment *adj, double *data ){
 }
 
 void CreateViewWindow(){
-	GtkWidget *dlg, *vbox, *hbox, *label, *spin, *frame;
+	GtkWidget *hbox, *label, *spin;
 	GtkObject *adj;
 
 #ifndef ISOMETRIC
@@ -371,16 +371,16 @@ void CreateViewWindow(){
 	azimuth   = PI / 6.;
 #endif
 
-	g_pWndPreview = dlg = ui::Window( ui::window_type::TOP );
+	auto dlg = g_pWndPreview = ui::Window( ui::window_type::TOP );
 	gtk_window_set_title( GTK_WINDOW( dlg ), "GtkGenSurf Preview" );
 	g_signal_connect( GTK_OBJECT( dlg ), "delete_event", G_CALLBACK( preview_close ), NULL );
 	g_signal_connect( GTK_OBJECT( dlg ), "destroy", G_CALLBACK( gtk_widget_destroy ), NULL );
 	gtk_window_set_transient_for( GTK_WINDOW( dlg ), GTK_WINDOW( g_pWnd ) );
 	gtk_window_set_default_size( GTK_WINDOW( dlg ), 300, 400 );
 
-	vbox = ui::VBox( FALSE, 5 );
-	gtk_widget_show( vbox );
-	gtk_container_add( GTK_CONTAINER( dlg ), vbox );
+	auto vbox = ui::VBox( FALSE, 5 );
+	vbox.show();
+	dlg.add(vbox);
 
 #ifndef ISOMETRIC
 	hbox = ui::HBox( TRUE, 5 );
@@ -414,8 +414,8 @@ void CreateViewWindow(){
 	g_signal_connect( G_OBJECT( spin ), "focus_out_event", G_CALLBACK( doublevariable_spinfocusout ), &azimuth );
 #endif
 
-	frame = ui::Frame( nullptr );
-	gtk_widget_show( frame );
+	auto frame = ui::Frame( nullptr );
+	frame.show();
 	gtk_frame_set_shadow_type( GTK_FRAME( frame ), GTK_SHADOW_IN );
 	gtk_box_pack_start( GTK_BOX( vbox ), frame, TRUE, TRUE, 0 );
 
@@ -428,7 +428,7 @@ void CreateViewWindow(){
 						G_CALLBACK( button_press ), NULL );
 
 	gtk_widget_show( g_pPreviewWidget );
-	gtk_container_add( GTK_CONTAINER( frame ), g_pPreviewWidget );
+	frame.add(ui::Widget(g_pPreviewWidget));
 
 	if ( Preview ) {
 		gtk_widget_show( g_pWndPreview );
diff --git a/contrib/hydratoolz/plugin.cpp b/contrib/hydratoolz/plugin.cpp
index f2e3d89b..71e7ab68 100644
--- a/contrib/hydratoolz/plugin.cpp
+++ b/contrib/hydratoolz/plugin.cpp
@@ -81,10 +81,10 @@ static gint dialog_delete_callback( GtkWidget *widget, GdkEvent* event, gpointer
 }
 
 int DoMessageBox( const char* lpText, const char* lpCaption, guint32 uType ){
-	GtkWidget *window, *w, *vbox, *hbox;
+	GtkWidget *w, *hbox;
 	int mode = ( uType & MB_TYPEMASK ), ret, loop = 1;
 
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 	g_signal_connect( GTK_OBJECT( window ), "delete_event",
 						G_CALLBACK( dialog_delete_callback ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "destroy",
@@ -95,9 +95,9 @@ int DoMessageBox( const char* lpText, const char* lpCaption, guint32 uType ){
 	gtk_object_set_data( GTK_OBJECT( window ), "ret", &ret );
 	gtk_widget_realize( window );
 
-	vbox = ui::VBox( FALSE, 10 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
-	gtk_widget_show( vbox );
+	auto vbox = ui::VBox( FALSE, 10 );
+	window.add(vbox);
+	vbox.show();
 
 	w = ui::Label( lpText );
 	gtk_box_pack_start( GTK_BOX( vbox ), w, FALSE, FALSE, 2 );
diff --git a/contrib/prtview/AboutDialog.cpp b/contrib/prtview/AboutDialog.cpp
index c90c319f..a0dd6834 100644
--- a/contrib/prtview/AboutDialog.cpp
+++ b/contrib/prtview/AboutDialog.cpp
@@ -50,10 +50,10 @@ static gint dialog_delete_callback( GtkWidget *widget, GdkEvent* event, gpointer
 }
 
 void DoAboutDlg(){
-	GtkWidget *dlg, *hbox, *vbox, *button, *label;
+	GtkWidget *vbox, *button, *label;
 	int loop = 1, ret = IDCANCEL;
 
-	dlg = ui::Window( ui::window_type::TOP );
+	auto dlg = ui::Window( ui::window_type::TOP );
 	gtk_window_set_title( GTK_WINDOW( dlg ), "About Portal Viewer" );
 	g_signal_connect( GTK_OBJECT( dlg ), "delete_event",
 					  G_CALLBACK( dialog_delete_callback ), NULL );
@@ -62,9 +62,9 @@ void DoAboutDlg(){
 	g_object_set_data( G_OBJECT( dlg ), "loop", &loop );
 	g_object_set_data( G_OBJECT( dlg ), "ret", &ret );
 
-	hbox = ui::HBox( FALSE, 10 );
-	gtk_widget_show( hbox );
-	gtk_container_add( GTK_CONTAINER( dlg ), hbox );
+	auto hbox = ui::HBox( FALSE, 10 );
+	hbox.show();
+	dlg.add(hbox);
 	gtk_container_set_border_width( GTK_CONTAINER( hbox ), 10 );
 
 	char const *label_text = "Version 1.000\n\n"
diff --git a/contrib/prtview/ConfigDialog.cpp b/contrib/prtview/ConfigDialog.cpp
index acb9f5b5..dc89bf49 100644
--- a/contrib/prtview/ConfigDialog.cpp
+++ b/contrib/prtview/ConfigDialog.cpp
@@ -243,14 +243,14 @@ static void OnClip( GtkWidget *widget, gpointer data ){
 }
 
 void DoConfigDialog(){
-	GtkWidget *dlg, *hbox, *vbox, *vbox2, *button, *table, *frame;
+	GtkWidget *hbox, *button, *table;
 	GtkWidget *lw3slider, *lw3label, *lw2slider, *lw2label, *item;
 	GtkWidget *aa2check, *aa3check, *depthcheck, *linescheck, *polyscheck;
 	GtkWidget *transslider, *translabel, *clipslider, *cliplabel;
 	GtkWidget *show2check, *show3check, *portalcheck;
 	int loop = 1, ret = IDCANCEL;
 
-	dlg = ui::Window( ui::window_type::TOP );
+	auto dlg = ui::Window( ui::window_type::TOP );
 	gtk_window_set_title( GTK_WINDOW( dlg ), "Portal Viewer Configuration" );
 	g_signal_connect( GTK_OBJECT( dlg ), "delete_event",
 						G_CALLBACK( dialog_delete_callback ), NULL );
@@ -259,18 +259,18 @@ void DoConfigDialog(){
 	g_object_set_data( G_OBJECT( dlg ), "loop", &loop );
 	g_object_set_data( G_OBJECT( dlg ), "ret", &ret );
 
-	vbox = ui::VBox( FALSE, 5 );
-	gtk_widget_show( vbox );
-	gtk_container_add( GTK_CONTAINER( dlg ), vbox );
+	auto vbox = ui::VBox( FALSE, 5 );
+	vbox.show();
+	dlg.add(vbox);
 	gtk_container_set_border_width( GTK_CONTAINER( vbox ), 5 );
 
-	frame = ui::Frame( "3D View" );
-	gtk_widget_show( frame );
+	auto frame = ui::Frame( "3D View" );
+	frame.show();
 	gtk_box_pack_start( GTK_BOX( vbox ), frame, TRUE, TRUE, 0 );
 
-	vbox2 = ui::VBox( FALSE, 5 );
-	gtk_widget_show( vbox2 );
-	gtk_container_add( GTK_CONTAINER( frame ), vbox2 );
+	auto vbox2 = ui::VBox( FALSE, 5 );
+	vbox2.show();
+	frame.add(vbox2);
 	gtk_container_set_border_width( GTK_CONTAINER( vbox2 ), 5 );
 
 	hbox = ui::HBox( FALSE, 5 );
@@ -405,8 +405,8 @@ void DoConfigDialog(){
 	gtk_box_pack_start( GTK_BOX( vbox ), frame, TRUE, TRUE, 0 );
 
 	vbox2 = ui::VBox( FALSE, 5 );
-	gtk_widget_show( vbox2 );
-	gtk_container_add( GTK_CONTAINER( frame ), vbox2 );
+	vbox2.show();
+	frame.add(vbox2);
 	gtk_container_set_border_width( GTK_CONTAINER( vbox2 ), 5 );
 
 	hbox = ui::HBox( FALSE, 5 );
diff --git a/contrib/prtview/LoadPortalFileDialog.cpp b/contrib/prtview/LoadPortalFileDialog.cpp
index eaee56c4..4e64faf8 100644
--- a/contrib/prtview/LoadPortalFileDialog.cpp
+++ b/contrib/prtview/LoadPortalFileDialog.cpp
@@ -80,10 +80,10 @@ static void change_clicked( GtkWidget *widget, gpointer data ){
 }
 
 int DoLoadPortalFileDialog(){
-	GtkWidget *dlg, *vbox, *hbox, *button, *entry, *check2d, *check3d;
+	GtkWidget *hbox, *button, *entry, *check2d, *check3d;
 	int loop = 1, ret = IDCANCEL;
 
-	dlg = ui::Window( ui::window_type::TOP );
+	auto dlg = ui::Window( ui::window_type::TOP );
 	gtk_window_set_title( GTK_WINDOW( dlg ), "Load .prt" );
 	g_signal_connect( GTK_OBJECT( dlg ), "delete_event",
 						G_CALLBACK( dialog_delete_callback ), NULL );
@@ -92,9 +92,9 @@ int DoLoadPortalFileDialog(){
 	g_object_set_data( G_OBJECT( dlg ), "loop", &loop );
 	g_object_set_data( G_OBJECT( dlg ), "ret", &ret );
 
-	vbox = ui::VBox( FALSE, 5 );
-	gtk_widget_show( vbox );
-	gtk_container_add( GTK_CONTAINER( dlg ), vbox );
+	auto vbox = ui::VBox( FALSE, 5 );
+	vbox.show();
+	dlg.add(vbox);
 	gtk_container_set_border_width( GTK_CONTAINER( vbox ), 5 );
 
 	entry = ui::Entry();
diff --git a/contrib/sunplug/sunplug.cpp b/contrib/sunplug/sunplug.cpp
index 9caa98fb..3ace8f02 100644
--- a/contrib/sunplug/sunplug.cpp
+++ b/contrib/sunplug/sunplug.cpp
@@ -253,9 +253,9 @@ extern "C" void RADIANT_DLLEXPORT Radiant_RegisterModules( ModuleServer& server
 
 // About dialog
 void about_plugin_window(){
-	GtkWidget *window, *vbox, *label, *button;
+	GtkWidget *label, *button;
 
-	window = ui::Window( ui::window_type::TOP ); // create a window
+	auto window = ui::Window( ui::window_type::TOP ); // create a window
 	gtk_window_set_transient_for( GTK_WINDOW( window ), SunPlug::main_window ); // make the window to stay in front of the main window
 	g_signal_connect( G_OBJECT( window ), "delete_event", G_CALLBACK( delete_event ), NULL ); // connect the delete event
 	g_signal_connect( G_OBJECT( window ), "destroy", G_CALLBACK( destroy ), NULL ); // connect the destroy event for the window
@@ -264,8 +264,8 @@ void about_plugin_window(){
 	gtk_window_set_modal( GTK_WINDOW( window ), TRUE ); // force the user not to do something with the other windows
 	gtk_container_set_border_width( GTK_CONTAINER( window ), 10 ); // set the border of the window
 
-	vbox = ui::VBox( FALSE, 10 ); // create a box to arrange new objects vertically
-	gtk_container_add( GTK_CONTAINER( window ), vbox ); // add the box to the window
+	auto vbox = ui::VBox( FALSE, 10 ); // create a box to arrange new objects vertically
+	window.add(vbox);
 
 	label = ui::Label( "SunPlug v1.0 for NetRadiant 1.5\nby Topsun" ); // create a label
 	gtk_label_set_justify( GTK_LABEL( label ), GTK_JUSTIFY_LEFT ); // text align left
@@ -314,13 +314,13 @@ void GetOptimalCoordinates( AABB *levelBoundingBox ){
 
 // MapCoordinator dialog window
 void MapCoordinator(){
-	GtkWidget *window, *vbox, *table, *label, *spinnerMinX, *spinnerMinY, *spinnerMaxX, *spinnerMaxY, *button;
+	GtkWidget *table, *label, *spinnerMinX, *spinnerMinY, *spinnerMaxX, *spinnerMaxY, *button;
 	Entity *theWorldspawn = NULL;
 	const char *buffer;
 	char line[20];
 
 	// in any case we need a window to show the user what to do
-	window = ui::Window( ui::window_type::TOP ); // create the window
+	auto window = ui::Window( ui::window_type::TOP ); // create the window
 	gtk_window_set_transient_for( GTK_WINDOW( window ), SunPlug::main_window ); // make the window to stay in front of the main window
 	g_signal_connect( G_OBJECT( window ), "delete_event", G_CALLBACK( delete_event ), NULL ); // connect the delete event for the window
 	g_signal_connect( G_OBJECT( window ), "destroy", G_CALLBACK( destroy ), NULL ); // connect the destroy event for the window
@@ -329,8 +329,8 @@ void MapCoordinator(){
 	gtk_window_set_modal( GTK_WINDOW( window ), TRUE ); // force the user not to do something with the other windows
 	gtk_container_set_border_width( GTK_CONTAINER( window ), 10 ); // set the border of the window
 
-	vbox = ui::VBox( FALSE, 10 ); // create a box to arrange new objects vertically
-	gtk_container_add( GTK_CONTAINER( window ), vbox ); // add the box to the window
+	auto vbox = ui::VBox( FALSE, 10 ); // create a box to arrange new objects vertically
+	window.add(vbox);
 
 	scene::Path path = makeReference( GlobalSceneGraph().root() ); // get the path to the root element of the graph
 	scene::Instance* instance = GlobalSceneGraph().find( path ); // find the instance to the given path
diff --git a/libs/gtkutil/button.cpp b/libs/gtkutil/button.cpp
index 778a74a8..af19ef35 100644
--- a/libs/gtkutil/button.cpp
+++ b/libs/gtkutil/button.cpp
@@ -73,7 +73,7 @@ guint toggle_button_connect_callback( ui::ToggleToolButton button, const Callbac
 void button_set_icon( ui::Button button, const char* icon ){
 	ui::Image image = ui::Image(new_local_image( icon ));
 	image.show();
-	gtk_container_add( GTK_CONTAINER( button ), GTK_WIDGET( image ) );
+	button.add(image);
 }
 
 void toggle_button_set_active_no_signal( ui::ToggleButton button, gboolean active ){
diff --git a/libs/gtkutil/container.h b/libs/gtkutil/container.h
index d931f0f0..8e70e35a 100644
--- a/libs/gtkutil/container.h
+++ b/libs/gtkutil/container.h
@@ -25,13 +25,13 @@
 #include <gtk/gtk.h>
 
 inline ui::Widget container_add_widget( ui::Container container, ui::Widget widget ){
-	gtk_container_add( container, widget );
+	container.add(widget);
 	return widget;
 }
 
 inline void container_remove( ui::Widget item, gpointer data ){
 	auto container = ui::Container(GTK_CONTAINER( data ));
-	gtk_container_remove( container, item );
+	container.add(item);
 }
 
 inline void container_remove_all( ui::Container container ){
diff --git a/libs/gtkutil/dialog.cpp b/libs/gtkutil/dialog.cpp
index 8a144871..85ee46df 100644
--- a/libs/gtkutil/dialog.cpp
+++ b/libs/gtkutil/dialog.cpp
@@ -160,17 +160,17 @@ gboolean dialog_delete_callback( ui::Widget widget, GdkEventAny* event, ModalDia
 ui::Window create_simple_modal_dialog_window( const char* title, ModalDialog& dialog, ui::Widget contents ){
 	ui::Window window = create_fixedsize_modal_dialog_window(ui::Window(), title, dialog );
 
-	GtkVBox* vbox1 = create_dialog_vbox( 8, 4 );
-	gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( vbox1 ) );
+	auto vbox1 = create_dialog_vbox( 8, 4 );
+	window.add(vbox1);
 
-	gtk_container_add( GTK_CONTAINER( vbox1 ), contents );
+	vbox1.add(contents);
 
 	ui::Alignment alignment = ui::Alignment( 0.5, 0.0, 0.0, 0.0 );
 	gtk_widget_show( GTK_WIDGET( alignment ) );
 	gtk_box_pack_start( GTK_BOX( vbox1 ), GTK_WIDGET( alignment ), FALSE, FALSE, 0 );
 
-	GtkButton* button = create_dialog_button( "OK", G_CALLBACK( dialog_button_ok ), &dialog );
-	gtk_container_add( GTK_CONTAINER( alignment ), GTK_WIDGET( button ) );
+	auto button = create_dialog_button( "OK", G_CALLBACK( dialog_button_ok ), &dialog );
+	alignment.add(button);
 
 	return window;
 }
@@ -200,7 +200,7 @@ PathEntry PathEntry_new(){
 	gtk_frame_set_shadow_type( frame, GTK_SHADOW_IN );
 
 	// path entry
-	GtkHBox* hbox = ui::HBox( FALSE, 0 );
+	auto hbox = ui::HBox( FALSE, 0 );
 	gtk_widget_show( GTK_WIDGET( hbox ) );
 
 	auto entry = ui::Entry();
@@ -214,7 +214,7 @@ PathEntry PathEntry_new(){
 	gtk_widget_show( GTK_WIDGET( button ) );
 	gtk_box_pack_end( GTK_BOX( hbox ), GTK_WIDGET( button ), FALSE, FALSE, 0 );
 
-	gtk_container_add( GTK_CONTAINER( frame ), GTK_WIDGET( hbox ) );
+	frame.add(hbox);
 
 	return PathEntry( frame, entry, button );
 }
diff --git a/libs/gtkutil/frame.cpp b/libs/gtkutil/frame.cpp
index a11ae16b..6baab763 100644
--- a/libs/gtkutil/frame.cpp
+++ b/libs/gtkutil/frame.cpp
@@ -28,7 +28,7 @@ ui::Frame create_framed_widget( ui::Widget widget ){
 	auto frame = ui::Frame();
 	frame.show();
 	gtk_frame_set_shadow_type( frame, GTK_SHADOW_IN );
-	gtk_container_add( GTK_CONTAINER( frame ), widget );
-	gtk_widget_show( GTK_WIDGET( widget ) );
+	frame.add(widget);
+	widget.show();
 	return frame;
 }
diff --git a/libs/gtkutil/menu.cpp b/libs/gtkutil/menu.cpp
index 3e227a2c..007d7a4e 100644
--- a/libs/gtkutil/menu.cpp
+++ b/libs/gtkutil/menu.cpp
@@ -34,7 +34,7 @@
 #include "pointer.h"
 
 void menu_add_item( ui::Menu menu, ui::MenuItem item ){
-	gtk_container_add( GTK_CONTAINER( menu ), GTK_WIDGET( item ) );
+	menu.add(item);
 }
 
 ui::MenuItem menu_separator( ui::Menu menu ){
diff --git a/libs/gtkutil/messagebox.cpp b/libs/gtkutil/messagebox.cpp
index 86ed48c3..3913d11b 100644
--- a/libs/gtkutil/messagebox.cpp
+++ b/libs/gtkutil/messagebox.cpp
@@ -70,8 +70,8 @@ EMessageBoxReturn gtk_MessageBox( ui::Widget parent, const char* text, const cha
 	auto accel = ui::AccelGroup();
 	window.add_accel_group( accel );
 
-	GtkVBox* vbox = create_dialog_vbox( 8, 8 );
-	gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( vbox ) );
+	auto vbox = create_dialog_vbox( 8, 8 );
+	window.add(vbox);
 
 
 	GtkHBox* hboxDummy = create_dialog_hbox( 0, 0 );
@@ -97,12 +97,12 @@ EMessageBoxReturn gtk_MessageBox( ui::Widget parent, const char* text, const cha
 	GtkVBox* vboxDummy = create_dialog_vbox( 0, 0 );
 	gtk_box_pack_start( GTK_BOX( vbox ), GTK_WIDGET( vboxDummy ), FALSE, FALSE, 0 );
 
-	GtkAlignment* alignment = ui::Alignment( 0.5, 0.0, 0.0, 0.0 );
+	auto alignment = ui::Alignment( 0.5, 0.0, 0.0, 0.0 );
 	gtk_widget_show( GTK_WIDGET( alignment ) );
 	gtk_box_pack_start( GTK_BOX( vboxDummy ), GTK_WIDGET( alignment ), FALSE, FALSE, 0 );
 
-	GtkHBox* hbox = create_dialog_hbox( 8, 0 );
-	gtk_container_add( GTK_CONTAINER( alignment ), GTK_WIDGET( hbox ) );
+	auto hbox = create_dialog_hbox( 8, 0 );
+	alignment.add(hbox);
 
 	gtk_box_pack_start( GTK_BOX( vboxDummy ), create_padding( 400, 0 ), FALSE, FALSE, 0 ); // HACK to force minimum width
 
diff --git a/libs/gtkutil/toolbar.cpp b/libs/gtkutil/toolbar.cpp
index 85e371ad..1bd3be42 100644
--- a/libs/gtkutil/toolbar.cpp
+++ b/libs/gtkutil/toolbar.cpp
@@ -30,16 +30,16 @@
 #include "image.h"
 
 
-void toolbar_append( ui::Toolbar toolbar, GtkToolItem* button, const char* description ){
+void toolbar_append( ui::Toolbar toolbar, ui::ToolItem button, const char* description ){
 	gtk_widget_show_all(GTK_WIDGET(button));
 	gtk_widget_set_tooltip_text(GTK_WIDGET(button), description);
-	gtk_container_add(GTK_CONTAINER(toolbar), GTK_WIDGET(button));
+	toolbar.add(button);
 }
 
 ui::ToolButton toolbar_append_button( ui::Toolbar toolbar, const char* description, const char* icon, const Callback& callback ){
 	auto button = ui::ToolButton(GTK_TOOL_BUTTON(gtk_tool_button_new(GTK_WIDGET(new_local_image(icon)), nullptr)));
 	button_connect_callback(button, callback);
-	toolbar_append(toolbar, GTK_TOOL_ITEM(button), description);
+	toolbar_append(toolbar, button, description);
 	return button;
 }
 
@@ -48,7 +48,7 @@ ui::ToggleToolButton toolbar_append_toggle_button( ui::Toolbar toolbar, const ch
 	toggle_button_connect_callback(button, callback);
 	gtk_tool_button_set_icon_widget(GTK_TOOL_BUTTON(button), GTK_WIDGET(new_local_image(icon)));
 	gtk_tool_button_set_label(GTK_TOOL_BUTTON(button), description);
-	toolbar_append(toolbar, GTK_TOOL_ITEM(button), description);
+	toolbar_append(toolbar, button, description);
 	return button;
 }
 
diff --git a/libs/uilib/uilib.cpp b/libs/uilib/uilib.cpp
index e91f03fe..a27d2d84 100644
--- a/libs/uilib/uilib.cpp
+++ b/libs/uilib/uilib.cpp
@@ -90,6 +90,15 @@ namespace ui {
         gtk_widget_show(this);
     }
 
+    IMPL(Container, GTK_CONTAINER);
+
+    void IContainer::add(Widget widget)
+    {
+        gtk_container_add(this, widget);
+    }
+
+    IMPL(Bin, GTK_BIN);
+
     IMPL(Window, GTK_WINDOW);
 
     Window::Window() : Window(nullptr)
diff --git a/libs/uilib/uilib.h b/libs/uilib/uilib.h
index f5b6e180..4dbdd791 100644
--- a/libs/uilib/uilib.h
+++ b/libs/uilib/uilib.h
@@ -21,6 +21,7 @@ struct _GtkContainer;
 struct _GtkDialog;
 struct _GtkEditable;
 struct _GtkEntry;
+struct _GtkEntryCompletion;
 struct _GtkFrame;
 struct _GtkHBox;
 struct _GtkHPaned;
@@ -140,6 +141,8 @@ namespace ui {
         };
     }
 
+    extern struct Null {} null;
+
     class Object :
             public details::Convertible<Object, _GtkObject *, details::Convert::Explicit>,
             public details::Convertible<Object, _GTypeInstance *, details::Convert::Explicit> {
@@ -160,16 +163,17 @@ namespace ui {
 
 #define WRAP(name, super, T, interfaces, ctors, methods) \
     class name; \
-    class I##name { \
+    class I##name : public details::Convertible<name, T *, details::Convert::Implicit> { \
     public: \
         using self = name *; \
         methods \
     }; \
-    class name : public super, public details::Convertible<name, T *, details::Convert::Implicit>, public I##name, public details::Mixin<name, void interfaces>::type { \
+    class name : public super, public I##name, public details::Mixin<name, void interfaces>::type { \
     public: \
         using self = name *; \
         using native = T *; \
         explicit name(native h) : super(reinterpret_cast<super::native>(h)) {} \
+        explicit name(Null n) : name((native) nullptr) {} \
         ctors \
     }; \
     inline bool operator<(name self, name other) { return self._handle < other._handle; } \
@@ -177,6 +181,8 @@ namespace ui {
 
     // https://developer.gnome.org/gtk2/stable/ch01.html
 
+    // GInterface
+
     WRAP(CellEditable, Object, _GtkCellEditable, (),
     ,
     );
@@ -187,6 +193,12 @@ namespace ui {
          void editable(bool value);
     );
 
+    WRAP(TreeModel, Object, _GtkTreeModel, (),
+    ,
+    );
+
+    // GObject
+
     WRAP(Widget, Object, _GtkWidget, (),
          Widget();
     ,
@@ -210,6 +222,7 @@ namespace ui {
 
     WRAP(Container, Widget, _GtkContainer, (),
     ,
+         void add(Widget widget);
     );
 
     WRAP(Bin, Container, _GtkBin, (),
@@ -466,15 +479,17 @@ namespace ui {
     ,
     );
 
-    WRAP(ListStore, Object, _GtkListStore, (),
+    WRAP(EntryCompletion, Object, _GtkEntryCompletion, (),
     ,
-         void clear();
     );
 
-    WRAP(TreeModel, Widget, _GtkTreeModel, (),
+    WRAP(ListStore, Object, _GtkListStore, (ITreeModel),
     ,
+         void clear();
     );
 
+    // GBoxed
+
     WRAP(TreePath, Object, _GtkTreePath, (),
          TreePath();
          TreePath(const char *path);
diff --git a/plugins/textool/TexTool.cpp b/plugins/textool/TexTool.cpp
index 63f77b7f..22f5a6e3 100644
--- a/plugins/textool/TexTool.cpp
+++ b/plugins/textool/TexTool.cpp
@@ -51,10 +51,10 @@ static gint dialog_delete_callback( GtkWidget *widget, GdkEvent* event, gpointer
 }
 
 int DoMessageBox( const char* lpText, const char* lpCaption, guint32 uType ){
-	GtkWidget *window, *w, *vbox, *hbox;
+	GtkWidget *w, *vbox, *hbox;
 	int mode = ( uType & MB_TYPEMASK ), ret, loop = 1;
 
-	window = ui::Window( ui::window_type::TOP );
+	auto window = ui::Window( ui::window_type::TOP );
 	g_signal_connect( GTK_OBJECT( window ), "delete_event",
 						G_CALLBACK( dialog_delete_callback ), NULL );
 	g_signal_connect( GTK_OBJECT( window ), "destroy",
@@ -66,7 +66,7 @@ int DoMessageBox( const char* lpText, const char* lpCaption, guint32 uType ){
 	gtk_widget_realize( window );
 
 	vbox = ui::VBox( FALSE, 10 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
+	window.add(vbox);
 	gtk_widget_show( vbox );
 
 	w = ui::Label( lpText );
diff --git a/radiant/build.cpp b/radiant/build.cpp
index 24dc28e9..830bf2f0 100644
--- a/radiant/build.cpp
+++ b/radiant/build.cpp
@@ -842,8 +842,8 @@ ui::Window BuildMenuDialog_construct( ModalDialog& modal, ProjectList& projectLi
 	ui::Widget buildView;
 
 	{
-		GtkTable* table1 = create_dialog_table( 2, 2, 4, 4, 4 );
-		gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( table1 ) );
+		auto table1 = create_dialog_table( 2, 2, 4, 4, 4 );
+		window.add(table1);
 		{
 			GtkVBox* vbox = create_dialog_vbox( 4 );
 			gtk_table_attach( table1, GTK_WIDGET( vbox ), 1, 2, 0, 1,
@@ -859,13 +859,13 @@ ui::Window BuildMenuDialog_construct( ModalDialog& modal, ProjectList& projectLi
 			}
 		}
 		{
-			GtkFrame* frame = create_dialog_frame( "Build menu" );
+			auto frame = create_dialog_frame( "Build menu" );
 			gtk_table_attach( table1, GTK_WIDGET( frame ), 0, 1, 0, 1,
 							  (GtkAttachOptions) ( GTK_EXPAND | GTK_FILL ),
 							  (GtkAttachOptions) ( GTK_EXPAND | GTK_FILL ), 0, 0 );
 			{
-				GtkScrolledWindow* scr = create_scrolled_window( GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC, 4 );
-				gtk_container_add( GTK_CONTAINER( frame ), GTK_WIDGET( scr ) );
+				auto scr = create_scrolled_window( GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC, 4 );
+				frame.add(scr);
 
 				{
 					auto store = ui::ListStore(gtk_list_store_new( 1, G_TYPE_STRING ));
@@ -887,7 +887,7 @@ ui::Window BuildMenuDialog_construct( ModalDialog& modal, ProjectList& projectLi
 
 					buildView = view;
 					projectList.m_store = store;
-					gtk_container_add( GTK_CONTAINER( scr ), view );
+					scr.add(view);
 
 					g_signal_connect( G_OBJECT( view ), "key_press_event", G_CALLBACK( project_key_press ), &projectList );
 
@@ -896,13 +896,13 @@ ui::Window BuildMenuDialog_construct( ModalDialog& modal, ProjectList& projectLi
 			}
 		}
 		{
-			GtkFrame* frame = create_dialog_frame( "Commandline" );
+			auto frame = create_dialog_frame( "Commandline" );
 			gtk_table_attach( table1, GTK_WIDGET( frame ), 0, 1, 1, 2,
 							  (GtkAttachOptions) ( GTK_EXPAND | GTK_FILL ),
 							  (GtkAttachOptions) ( GTK_EXPAND | GTK_FILL ), 0, 0 );
 			{
-				GtkScrolledWindow* scr = create_scrolled_window( GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC, 4 );
-				gtk_container_add( GTK_CONTAINER( frame ), GTK_WIDGET( scr ) );
+				auto scr = create_scrolled_window( GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC, 4 );
+				frame.add(scr);
 
 				{
 					ui::ListStore store = ui::ListStore(gtk_list_store_new( 1, G_TYPE_STRING ));
@@ -922,7 +922,7 @@ ui::Window BuildMenuDialog_construct( ModalDialog& modal, ProjectList& projectLi
 
 					view.show();
 
-					gtk_container_add( GTK_CONTAINER( scr ), view );
+					scr.add(view);
 
 					g_object_unref( G_OBJECT( store ) );
 
diff --git a/radiant/commands.cpp b/radiant/commands.cpp
index cce8b9db..5d2cadaf 100644
--- a/radiant/commands.cpp
+++ b/radiant/commands.cpp
@@ -394,11 +394,11 @@ void DoCommandListDlg(){
 	auto accel = ui::AccelGroup();
 	window.add_accel_group( accel );
 
-	GtkHBox* hbox = create_dialog_hbox( 4, 4 );
-	gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( hbox ) );
+	auto hbox = create_dialog_hbox( 4, 4 );
+	window.add(hbox);
 
 	{
-		GtkScrolledWindow* scr = create_scrolled_window( GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC );
+		auto scr = create_scrolled_window( GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC );
 		gtk_box_pack_start( GTK_BOX( hbox ), GTK_WIDGET( scr ), TRUE, TRUE, 0 );
 
 		{
@@ -422,7 +422,7 @@ void DoCommandListDlg(){
 			}
 
 			view.show();
-			gtk_container_add( GTK_CONTAINER( scr ), view );
+			scr.add(view);
 
 			{
 				// Initialize dialog
diff --git a/radiant/console.cpp b/radiant/console.cpp
index 044648f9..b6855523 100644
--- a/radiant/console.cpp
+++ b/radiant/console.cpp
@@ -104,7 +104,7 @@ gboolean destroy_set_null( ui::Window widget, ui::Widget* p ){
 WidgetFocusPrinter g_consoleWidgetFocusPrinter( "console" );
 
 ui::Widget Console_constructWindow( ui::Window toplevel ){
-	ui::Widget scr = ui::ScrolledWindow();
+	auto scr = ui::ScrolledWindow();
 	gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scr ), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
 	gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW( scr ), GTK_SHADOW_IN );
 	scr.show();
@@ -114,7 +114,7 @@ ui::Widget Console_constructWindow( ui::Window toplevel ){
 		gtk_widget_set_size_request( text, 0, -1 ); // allow shrinking
 		gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( text ), GTK_WRAP_WORD );
 		gtk_text_view_set_editable( GTK_TEXT_VIEW( text ), FALSE );
-		gtk_container_add( GTK_CONTAINER( scr ), text );
+		scr.add(text);
 		text.show();
 		g_console = text;
 
diff --git a/radiant/dialog.cpp b/radiant/dialog.cpp
index b3ba1f1a..a77ddedd 100644
--- a/radiant/dialog.cpp
+++ b/radiant/dialog.cpp
@@ -45,7 +45,7 @@
 #include "gtkmisc.h"
 
 
-GtkEntry* DialogEntry_new(){
+ui::Entry DialogEntry_new(){
 	auto entry = ui::Entry();
 	entry.show();
 	gtk_widget_set_size_request( GTK_WIDGET( entry ), 64, -1 );
@@ -62,17 +62,17 @@ GtkEntry* m_entry;
 };
 
 DialogEntryRow DialogEntryRow_new( const char* name ){
-	ui::Widget alignment = ui::Alignment( 0.0, 0.5, 0.0, 0.0 );
+	auto alignment = ui::Alignment( 0.0, 0.5, 0.0, 0.0 );
 	alignment.show();
 
-	GtkEntry* entry = DialogEntry_new();
-	gtk_container_add( GTK_CONTAINER( alignment ), GTK_WIDGET( entry ) );
+	auto entry = DialogEntry_new();
+	alignment.add(entry);
 
 	return DialogEntryRow( ui::Widget(GTK_WIDGET( DialogRow_new( name, alignment ) )), entry );
 }
 
 
-GtkSpinButton* DialogSpinner_new( double value, double lower, double upper, int fraction ){
+ui::SpinButton DialogSpinner_new( double value, double lower, double upper, int fraction ){
 	double step = 1.0 / double(fraction);
 	unsigned int digits = 0;
 	for (; fraction > 1; fraction /= 10 )
@@ -95,11 +95,11 @@ GtkSpinButton* m_spin;
 };
 
 DialogSpinnerRow DialogSpinnerRow_new( const char* name, double value, double lower, double upper, int fraction ){
-	ui::Widget alignment = ui::Alignment( 0.0, 0.5, 0.0, 0.0 );
+	auto alignment = ui::Alignment( 0.0, 0.5, 0.0, 0.0 );
 	alignment.show();
 
-	GtkSpinButton* spin = DialogSpinner_new( value, lower, upper, fraction );
-	gtk_container_add( GTK_CONTAINER( alignment ), GTK_WIDGET( spin ) );
+	auto spin = DialogSpinner_new( value, lower, upper, fraction );
+	alignment.add(spin);
 
 	return DialogSpinnerRow( ui::Widget(GTK_WIDGET( DialogRow_new( name, alignment ) )), spin );
 }
@@ -465,7 +465,7 @@ ui::CheckButton Dialog::addCheckBox( ui::Widget vbox, const char* name, const ch
 }
 
 void Dialog::addCombo( ui::Widget vbox, const char* name, StringArrayRange values, const IntImportCallback& importViewer, const IntExportCallback& exportViewer ){
-	ui::Widget alignment = ui::Alignment( 0.0, 0.5, 0.0, 0.0 );
+	auto alignment = ui::Alignment( 0.0, 0.5, 0.0, 0.0 );
 	alignment.show();
 	{
 		ui::Widget combo = ui::ComboBoxText();
@@ -478,7 +478,7 @@ void Dialog::addCombo( ui::Widget vbox, const char* name, StringArrayRange value
 		AddIntComboData( *GTK_COMBO_BOX( combo ), importViewer, exportViewer );
 
 		combo.show();
-		gtk_container_add( GTK_CONTAINER( alignment ), combo );
+		alignment.add(combo);
 	}
 
 	auto row = DialogRow_new( name, alignment );
@@ -513,13 +513,13 @@ void Dialog::addSlider( ui::Widget vbox, const char* name, int& data, gboolean d
 	AddIntAdjustmentData( *GTK_ADJUSTMENT(adj), IntImportCaller( data ), IntExportCaller( data ) );
 
 	// scale
-	ui::Widget alignment = ui::Alignment( 0.0, 0.5, 1.0, 0.0 );
+	auto alignment = ui::Alignment( 0.0, 0.5, 1.0, 0.0 );
 	alignment.show();
 
 	ui::Widget scale = ui::HScale( adj );
 	gtk_scale_set_value_pos( GTK_SCALE( scale ), GTK_POS_LEFT );
 	scale.show();
-	gtk_container_add( GTK_CONTAINER( alignment ), scale );
+	alignment.add(scale);
 
 	gtk_scale_set_draw_value( GTK_SCALE( scale ), draw_value );
 	gtk_scale_set_digits( GTK_SCALE( scale ), 0 );
@@ -529,11 +529,11 @@ void Dialog::addSlider( ui::Widget vbox, const char* name, int& data, gboolean d
 }
 
 void Dialog::addRadio( ui::Widget vbox, const char* name, StringArrayRange names, const IntImportCallback& importViewer, const IntExportCallback& exportViewer ){
-	ui::Widget alignment = ui::Alignment( 0.0, 0.5, 0.0, 0.0 );
+	auto alignment = ui::Alignment( 0.0, 0.5, 0.0, 0.0 );
 	alignment.show();;
 	{
 		RadioHBox radioBox = RadioHBox_new( names );
-		gtk_container_add( GTK_CONTAINER( alignment ), GTK_WIDGET( radioBox.m_hbox ) );
+		alignment.add(radioBox.m_hbox);
 		AddIntRadioData( *GTK_RADIO_BUTTON( radioBox.m_radio ), importViewer, exportViewer );
 	}
 
diff --git a/radiant/entityinspector.cpp b/radiant/entityinspector.cpp
index 8e3e3e1d..cc0c2008 100644
--- a/radiant/entityinspector.cpp
+++ b/radiant/entityinspector.cpp
@@ -176,7 +176,7 @@ StringAttribute( const char* key ) :
 ui::Widget getWidget() const {
 	return ui::Widget(GTK_WIDGET( m_entry ));
 }
-GtkEntry* getEntry() const {
+ui::Entry getEntry() const {
 	return m_entry;
 }
 
@@ -1310,7 +1310,7 @@ ui::Widget EntityInspector_constructWindow( ui::Window toplevel ){
 
 			{
 				// class list
-				ui::Widget scr = ui::ScrolledWindow();
+				auto scr = ui::ScrolledWindow();
 				scr.show();
 				gtk_paned_add1( GTK_PANED( split2 ), scr );
 				gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scr ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
@@ -1338,7 +1338,7 @@ ui::Widget EntityInspector_constructWindow( ui::Window toplevel ){
 
 					view.show();
 
-					gtk_container_add( GTK_CONTAINER( scr ), GTK_WIDGET( view ) );
+					scr.add(view);
 
 					g_object_unref( G_OBJECT( store ) );
 					g_entityClassList = view;
@@ -1347,7 +1347,7 @@ ui::Widget EntityInspector_constructWindow( ui::Window toplevel ){
 			}
 
 			{
-				ui::Widget scr = ui::ScrolledWindow();
+				auto scr = ui::ScrolledWindow();
 				scr.show();
 				gtk_paned_add2( GTK_PANED( split2 ), scr );
 				gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scr ), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS );
@@ -1359,7 +1359,7 @@ ui::Widget EntityInspector_constructWindow( ui::Window toplevel ){
 					gtk_text_view_set_wrap_mode( text, GTK_WRAP_WORD );
 					gtk_text_view_set_editable( text, FALSE );
 					text.show();
-					gtk_container_add( GTK_CONTAINER( scr ), GTK_WIDGET( text ) );
+					scr.add(text);
 					g_entityClassComment = text;
 				}
 			}
@@ -1394,7 +1394,7 @@ ui::Widget EntityInspector_constructWindow( ui::Window toplevel ){
 
 				{
 					// key/value list
-					ui::Widget scr = ui::ScrolledWindow();
+					auto scr = ui::ScrolledWindow();
 					scr.show();
 					gtk_box_pack_start( GTK_BOX( vbox2 ), scr, TRUE, TRUE, 0 );
 					gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scr ), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
@@ -1426,7 +1426,7 @@ ui::Widget EntityInspector_constructWindow( ui::Window toplevel ){
 
 						view.show();
 
-						gtk_container_add( GTK_CONTAINER( scr ), view );
+						scr.add(view);
 
 						g_object_unref( G_OBJECT( store ) );
 
@@ -1504,19 +1504,19 @@ ui::Widget EntityInspector_constructWindow( ui::Window toplevel ){
 			}
 
 			{
-				ui::Widget scr = ui::ScrolledWindow();
+				auto scr = ui::ScrolledWindow();
 				scr.show();
 				gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scr ), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC );
 
-				ui::Widget viewport = ui::Widget(gtk_viewport_new( 0, 0 ));
+				auto viewport = ui::Container(GTK_CONTAINER(gtk_viewport_new( 0, 0 )));
 				viewport.show();
 				gtk_viewport_set_shadow_type( GTK_VIEWPORT( viewport ), GTK_SHADOW_NONE );
 
 				g_attributeBox = ui::VBox( FALSE, 2 );
 				g_attributeBox.show();
 
-				gtk_container_add( GTK_CONTAINER( viewport ), GTK_WIDGET( g_attributeBox ) );
-				gtk_container_add( GTK_CONTAINER( scr ), viewport );
+				viewport.add(g_attributeBox);
+				scr.add(viewport);
 				gtk_paned_pack2( GTK_PANED( split2 ), scr, FALSE, FALSE );
 			}
 		}
diff --git a/radiant/entitylist.cpp b/radiant/entitylist.cpp
index efdc9ca0..f8847255 100644
--- a/radiant/entitylist.cpp
+++ b/radiant/entitylist.cpp
@@ -281,7 +281,7 @@ void DetachEntityTreeModel(){
 void EntityList_constructWindow( ui::Window main_window ){
 	ASSERT_TRUE( !getEntityList().m_window );
 
-	ui::Window window = ui::Window(create_persistent_floating_window( "Entity List", main_window ));
+	auto window = ui::Window(create_persistent_floating_window( "Entity List", main_window ));
 
 	window.add_accel_group(global_accel);
 
@@ -291,8 +291,8 @@ void EntityList_constructWindow( ui::Window main_window ){
 	getEntityList().m_window = window;
 
 	{
-		GtkScrolledWindow* scr = create_scrolled_window( GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
-		gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( scr ) );
+		auto scr = create_scrolled_window( GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
+		window.add(scr);
 
 		{
 			ui::Widget view = ui::TreeView();
@@ -312,7 +312,7 @@ void EntityList_constructWindow( ui::Window main_window ){
 			gtk_tree_view_append_column( GTK_TREE_VIEW( view ), column );
 
 			view.show();
-			gtk_container_add( GTK_CONTAINER( scr ), view );
+			scr.add(view);
 			getEntityList().m_tree_view = GTK_TREE_VIEW( view );
 		}
 	}
diff --git a/radiant/feedback.cpp b/radiant/feedback.cpp
index 3c6aaa5d..00512547 100644
--- a/radiant/feedback.cpp
+++ b/radiant/feedback.cpp
@@ -263,7 +263,7 @@ void CDbgDlg::Init(){
 		g_ptr_array_remove_index( m_pFeedbackElements, 0 );
 	}
 
-	if ( m_clist != NULL ) {
+	if ( m_clist ) {
 		gtk_list_store_clear( m_clist );
 	}
 }
@@ -289,11 +289,11 @@ void CDbgDlg::Push( ISAXHandler *pHandler ){
 }
 
 ui::Window CDbgDlg::BuildDialog(){
-	ui::Window window = MainFrame_getWindow().create_floating_window("Q3Map debug window" );
+	auto window = MainFrame_getWindow().create_floating_window("Q3Map debug window" );
 
-	ui::Widget scr = ui::ScrolledWindow();
+	auto scr = ui::ScrolledWindow();
 	scr.show();
-	gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( scr ) );
+	window.add(scr);
 	gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scr ), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC );
 	gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW( scr ), GTK_SHADOW_IN );
 
@@ -317,7 +317,7 @@ ui::Window CDbgDlg::BuildDialog(){
 
 		view.show();
 
-		gtk_container_add( GTK_CONTAINER( scr ), view );
+		scr.add(view);
 
 		g_object_unref( G_OBJECT( store ) );
 
diff --git a/radiant/findtexturedialog.cpp b/radiant/findtexturedialog.cpp
index 57cce140..201f2c67 100644
--- a/radiant/findtexturedialog.cpp
+++ b/radiant/findtexturedialog.cpp
@@ -127,13 +127,14 @@ FindTextureDialog::~FindTextureDialog(){
 
 ui::Window FindTextureDialog::BuildDialog(){
 	ui::Widget vbox, hbox, table, label;
-	ui::Widget button, check, entry;
+	ui::Widget button, check;
+	ui::Entry entry{nullptr};
 
-	ui::Window dlg = ui::Window(create_floating_window( "Find / Replace Texture(s)", m_parent ));
+	auto dlg = ui::Window(create_floating_window( "Find / Replace Texture(s)", m_parent ));
 
 	hbox = ui::HBox( FALSE, 5 );
 	hbox.show();
-	gtk_container_add( GTK_CONTAINER( dlg ), GTK_WIDGET( hbox ) );
+	dlg.add(hbox);
 	gtk_container_set_border_width( GTK_CONTAINER( hbox ), 5 );
 
 	vbox = ui::VBox( FALSE, 5 );
@@ -168,7 +169,7 @@ ui::Window FindTextureDialog::BuildDialog(){
 	g_signal_connect( G_OBJECT( entry ), "focus_in_event",
 					  G_CALLBACK( find_focus_in ), 0 );
 	AddDialogData( *GTK_ENTRY( entry ), m_strFind );
-	GlobalTextureEntryCompletion::instance().connect( GTK_ENTRY( entry ) );
+	GlobalTextureEntryCompletion::instance().connect( entry );
 
 	entry = ui::Entry();
 	entry.show();
@@ -178,7 +179,7 @@ ui::Window FindTextureDialog::BuildDialog(){
 	g_signal_connect( G_OBJECT( entry ), "focus_in_event",
 					  G_CALLBACK( replace_focus_in ), 0 );
 	AddDialogData( *GTK_ENTRY( entry ), m_strReplace );
-	GlobalTextureEntryCompletion::instance().connect( GTK_ENTRY( entry ) );
+	GlobalTextureEntryCompletion::instance().connect( entry );
 
 	check = ui::CheckButton( "Within selected brushes only" );
 	check.show();
diff --git a/radiant/groupdialog.cpp b/radiant/groupdialog.cpp
index ce9e467d..6559da19 100644
--- a/radiant/groupdialog.cpp
+++ b/radiant/groupdialog.cpp
@@ -92,7 +92,7 @@ GroupDlg::GroupDlg() : m_window( 0 ){
 void GroupDlg::Create( ui::Window parent ){
 	ASSERT_MESSAGE( !m_window, "dialog already created" );
 
-	ui::Window window = ui::Window(create_persistent_floating_window( "Entities", parent ));
+	auto window = ui::Window(create_persistent_floating_window( "Entities", parent ));
 
 	global_accel_connect_window( window );
 
@@ -112,7 +112,7 @@ void GroupDlg::Create( ui::Window parent ){
 	{
 		ui::Widget notebook = ui::Widget(gtk_notebook_new());
 		notebook.show();
-		gtk_container_add( GTK_CONTAINER( window ), notebook );
+		window.add(notebook);
 		gtk_notebook_set_tab_pos( GTK_NOTEBOOK( notebook ), GTK_POS_BOTTOM );
 		m_pNotebook = notebook;
 
diff --git a/radiant/gtkdlgs.cpp b/radiant/gtkdlgs.cpp
index 0888570d..3b446f93 100644
--- a/radiant/gtkdlgs.cpp
+++ b/radiant/gtkdlgs.cpp
@@ -200,11 +200,11 @@ GtkComboBox* gamemode_combo;
 };
 
 ui::Window ProjectSettingsDialog_construct( ProjectSettingsDialog& dialog, ModalDialog& modal ){
-	ui::Window window = MainFrame_getWindow().create_dialog_window("Project Settings", G_CALLBACK(dialog_delete_callback ), &modal );
+	auto window = MainFrame_getWindow().create_dialog_window("Project Settings", G_CALLBACK(dialog_delete_callback ), &modal );
 
 	{
-		GtkTable* table1 = create_dialog_table( 1, 2, 4, 4, 4 );
-		gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( table1 ) );
+		auto table1 = create_dialog_table( 1, 2, 4, 4, 4 );
+		window.add(table1);
 		{
 			GtkVBox* vbox = create_dialog_vbox( 4 );
 			gtk_table_attach( table1, GTK_WIDGET( vbox ), 1, 2, 0, 1,
@@ -220,13 +220,13 @@ ui::Window ProjectSettingsDialog_construct( ProjectSettingsDialog& dialog, Modal
 			}
 		}
 		{
-			GtkFrame* frame = create_dialog_frame( "Project settings" );
+			auto frame = create_dialog_frame( "Project settings" );
 			gtk_table_attach( table1, GTK_WIDGET( frame ), 0, 1, 0, 1,
 							  (GtkAttachOptions) ( GTK_EXPAND | GTK_FILL ),
 							  (GtkAttachOptions) ( GTK_FILL ), 0, 0 );
 			{
-				GtkTable* table2 = create_dialog_table( ( globalMappingMode().do_mapping_mode ) ? 4 : 3, 2, 4, 4, 4 );
-				gtk_container_add( GTK_CONTAINER( frame ), GTK_WIDGET( table2 ) );
+				auto table2 = create_dialog_table( ( globalMappingMode().do_mapping_mode ) ? 4 : 3, 2, 4, 4, 4 );
+				frame.add(table2);
 
 				{
 					auto label = ui::Label( "Select mod" );
@@ -368,14 +368,14 @@ void DoSides( int type, int axis ){
 	ModalDialog dialog;
 	GtkEntry* sides_entry;
 
-	ui::Window window = MainFrame_getWindow().create_dialog_window("Arbitrary sides", G_CALLBACK(dialog_delete_callback ), &dialog );
+	auto window = MainFrame_getWindow().create_dialog_window("Arbitrary sides", G_CALLBACK(dialog_delete_callback ), &dialog );
 
 	auto accel = ui::AccelGroup();
 	window.add_accel_group( accel );
 
 	{
-		GtkHBox* hbox = create_dialog_hbox( 4, 4 );
-		gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( hbox ) );
+		auto hbox = create_dialog_hbox( 4, 4 );
+		window.add(hbox);
 		{
 			auto label = ui::Label( "Sides:" );
 			label.show();
@@ -439,11 +439,11 @@ void DoAbout(){
 	ModalDialog dialog;
 	ModalDialogButton ok_button( dialog, eIDOK );
 
-	ui::Window window = MainFrame_getWindow().create_modal_dialog_window("About NetRadiant", dialog );
+	auto window = MainFrame_getWindow().create_modal_dialog_window("About NetRadiant", dialog );
 
 	{
-		GtkVBox* vbox = create_dialog_vbox( 4, 4 );
-		gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( vbox ) );
+		auto vbox = create_dialog_vbox( 4, 4 );
+		window.add(vbox);
 
 		{
 			GtkHBox* hbox = create_dialog_hbox( 4 );
@@ -453,12 +453,12 @@ void DoAbout(){
 				GtkVBox* vbox2 = create_dialog_vbox( 4 );
 				gtk_box_pack_start( GTK_BOX( hbox ), GTK_WIDGET( vbox2 ), TRUE, FALSE, 0 );
 				{
-					GtkFrame* frame = create_dialog_frame( 0, GTK_SHADOW_IN );
+					auto frame = create_dialog_frame( 0, GTK_SHADOW_IN );
 					gtk_box_pack_start( GTK_BOX( vbox2 ), GTK_WIDGET( frame ), FALSE, FALSE, 0 );
 					{
 						auto image = new_local_image( "logo.png" );
 						image.show();
-						gtk_container_add( GTK_CONTAINER( frame ), GTK_WIDGET( image ) );
+						frame.add(image);
 					}
 				}
 			}
@@ -503,11 +503,11 @@ void DoAbout(){
 			}
 		}
 		{
-			GtkFrame* frame = create_dialog_frame( "OpenGL Properties" );
+			auto frame = create_dialog_frame( "OpenGL Properties" );
 			gtk_box_pack_start( GTK_BOX( vbox ), GTK_WIDGET( frame ), FALSE, FALSE, 0 );
 			{
-				GtkTable* table = create_dialog_table( 3, 2, 4, 4, 4 );
-				gtk_container_add( GTK_CONTAINER( frame ), GTK_WIDGET( table ) );
+				auto table = create_dialog_table( 3, 2, 4, 4, 4 );
+				frame.add(table);
 				{
 					auto label = ui::Label( "Vendor:" );
 					label.show();
@@ -558,15 +558,15 @@ void DoAbout(){
 				}
 			}
 			{
-				GtkFrame* frame = create_dialog_frame( "OpenGL Extensions" );
+				auto frame = create_dialog_frame( "OpenGL Extensions" );
 				gtk_box_pack_start( GTK_BOX( vbox ), GTK_WIDGET( frame ), TRUE, TRUE, 0 );
 				{
-					GtkScrolledWindow* sc_extensions = create_scrolled_window( GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS, 4 );
-					gtk_container_add( GTK_CONTAINER( frame ), GTK_WIDGET( sc_extensions ) );
+					auto sc_extensions = create_scrolled_window( GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS, 4 );
+					frame.add(sc_extensions);
 					{
-						ui::Widget text_extensions = ui::TextView();
+						auto text_extensions = ui::TextView();
 						gtk_text_view_set_editable( GTK_TEXT_VIEW( text_extensions ), FALSE );
-						gtk_container_add( GTK_CONTAINER( sc_extensions ), text_extensions );
+						sc_extensions.add(text_extensions);
 						GtkTextBuffer* buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW( text_extensions ) );
 						gtk_text_buffer_set_text( buffer, reinterpret_cast<const char*>( glGetString( GL_EXTENSIONS ) ), -1 );
 						gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( text_extensions ), GTK_WRAP_WORD );
@@ -596,14 +596,14 @@ EMessageBoxReturn DoTextureLayout( float *fx, float *fy ){
 	GtkEntry* x;
 	GtkEntry* y;
 
-	ui::Window window = MainFrame_getWindow().create_modal_dialog_window("Patch texture layout", dialog );
+	auto window = MainFrame_getWindow().create_modal_dialog_window("Patch texture layout", dialog );
 
 	auto accel = ui::AccelGroup();
 	window.add_accel_group( accel );
 
 	{
-		GtkHBox* hbox = create_dialog_hbox( 4, 4 );
-		gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( hbox ) );
+		auto hbox = create_dialog_hbox( 4, 4 );
+		window.add(hbox);
 		{
 			GtkVBox* vbox = create_dialog_vbox( 4 );
 			gtk_box_pack_start( GTK_BOX( hbox ), GTK_WIDGET( vbox ), TRUE, TRUE, 0 );
@@ -740,10 +740,9 @@ static void editor_close( ui::Widget widget, gpointer data ){
 }
 
 static void CreateGtkTextEditor(){
-	ui::Widget dlg;
-	ui::Widget vbox, hbox, button, scr, text;
+	ui::Widget vbox, hbox, button, text;
 
-	dlg = ui::Window( ui::window_type::TOP );
+	auto dlg = ui::Window( ui::window_type::TOP );
 
 	g_signal_connect( G_OBJECT( dlg ), "delete_event",
 					  G_CALLBACK( editor_delete ), 0 );
@@ -751,17 +750,17 @@ static void CreateGtkTextEditor(){
 
 	vbox = ui::VBox( FALSE, 5 );
 	vbox.show();
-	gtk_container_add( GTK_CONTAINER( dlg ), GTK_WIDGET( vbox ) );
+	dlg.add(vbox);
 	gtk_container_set_border_width( GTK_CONTAINER( vbox ), 5 );
 
-	scr = ui::ScrolledWindow();
+	auto scr = ui::ScrolledWindow();
 	scr.show();
 	gtk_box_pack_start( GTK_BOX( vbox ), scr, TRUE, TRUE, 0 );
 	gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scr ), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
 	gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW( scr ), GTK_SHADOW_IN );
 
 	text = ui::TextView();
-	gtk_container_add( GTK_CONTAINER( scr ), text );
+	scr.add(text);
 	text.show();
 	g_object_set_data( G_OBJECT( dlg ), "text", (gpointer) text );
 	gtk_text_view_set_editable( GTK_TEXT_VIEW( text ), TRUE );
@@ -863,8 +862,8 @@ EMessageBoxReturn DoLightIntensityDlg( int *intensity ){
 	window.add_accel_group( accel_group );
 
 	{
-		GtkHBox* hbox = create_dialog_hbox( 4, 4 );
-		gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( hbox ) );
+		auto hbox = create_dialog_hbox( 4, 4 );
+		window.add(hbox);
 		{
 			GtkVBox* vbox = create_dialog_vbox( 4 );
 			gtk_box_pack_start( GTK_BOX( hbox ), GTK_WIDGET( vbox ), TRUE, TRUE, 0 );
@@ -924,14 +923,14 @@ EMessageBoxReturn DoShaderTagDlg( CopiedString* tag, char* title ){
 	ModalDialogButton ok_button( dialog, eIDOK );
 	ModalDialogButton cancel_button( dialog, eIDCANCEL );
 
-	ui::Window window = MainFrame_getWindow().create_modal_dialog_window(title, dialog, -1, -1 );
+	auto window = MainFrame_getWindow().create_modal_dialog_window(title, dialog, -1, -1 );
 
 	auto accel_group = ui::AccelGroup();
 	window.add_accel_group( accel_group );
 
 	{
-		GtkHBox* hbox = create_dialog_hbox( 4, 4 );
-		gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( hbox ) );
+		auto hbox = create_dialog_hbox( 4, 4 );
+		window.add(hbox);
 		{
 			GtkVBox* vbox = create_dialog_vbox( 4 );
 			gtk_box_pack_start( GTK_BOX( hbox ), GTK_WIDGET( vbox ), TRUE, TRUE, 0 );
@@ -983,14 +982,14 @@ EMessageBoxReturn DoShaderInfoDlg( const char* name, const char* filename, char*
 	ModalDialog dialog;
 	ModalDialogButton ok_button( dialog, eIDOK );
 
-	ui::Window window = MainFrame_getWindow().create_modal_dialog_window(title, dialog, -1, -1 );
+	auto window = MainFrame_getWindow().create_modal_dialog_window(title, dialog, -1, -1 );
 
 	auto accel_group = ui::AccelGroup();
 	window.add_accel_group( accel_group );
 
 	{
-		GtkHBox* hbox = create_dialog_hbox( 4, 4 );
-		gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( hbox ) );
+		auto hbox = create_dialog_hbox( 4, 4 );
+		window.add(hbox);
 		{
 			GtkVBox* vbox = create_dialog_vbox( 4 );
 			gtk_box_pack_start( GTK_BOX( hbox ), GTK_WIDGET( vbox ), FALSE, FALSE, 0 );
diff --git a/radiant/mainframe.cpp b/radiant/mainframe.cpp
index adf4797c..7b1b80ef 100644
--- a/radiant/mainframe.cpp
+++ b/radiant/mainframe.cpp
@@ -27,13 +27,8 @@
 
 #include "mainframe.h"
 
-#include "debugging/debugging.h"
-#include "version.h"
-
 #include "ifilesystem.h"
 #include "iundo.h"
-#include "ifilter.h"
-#include "itoolbar.h"
 #include "editable.h"
 #include "ientity.h"
 #include "ishaders.h"
@@ -46,7 +41,6 @@
 
 
 #include "cmdlib.h"
-#include "scenelib.h"
 #include "stream/stringstream.h"
 #include "signal/isignal.h"
 #include "os/path.h"
@@ -55,14 +49,11 @@
 #include "moduleobservers.h"
 
 #include "gtkutil/clipboard.h"
-#include "gtkutil/container.h"
 #include "gtkutil/frame.h"
-#include "gtkutil/glfont.h"
 #include "gtkutil/glwidget.h"
 #include "gtkutil/image.h"
 #include "gtkutil/menu.h"
 #include "gtkutil/paned.h"
-#include "gtkutil/widget.h"
 
 #include "autosave.h"
 #include "build.h"
@@ -91,7 +82,6 @@
 #include "pluginmanager.h"
 #include "pluginmenu.h"
 #include "plugintoolbar.h"
-#include "points.h"
 #include "preferences.h"
 #include "qe3.h"
 #include "qgl.h"
@@ -446,7 +436,7 @@ ui::Window BuildDialog(){
 	auto frame = create_dialog_frame( "Path settings", GTK_SHADOW_ETCHED_IN );
 
 	auto vbox2 = create_dialog_vbox( 0, 4 );
-	gtk_container_add( GTK_CONTAINER( frame ), GTK_WIDGET( vbox2 ) );
+	frame.add(vbox2);
 
 	{
 		PreferencesPage preferencesPage( *this, ui::Widget(GTK_WIDGET( vbox2 )) );
@@ -899,8 +889,8 @@ ColoursMenu() :
 
 ColoursMenu g_ColoursMenu;
 
-GtkMenuItem* create_colours_menu(){
-	GtkMenuItem* colours_menu_item = new_sub_menu_item_with_mnemonic( "Colors" );
+ui::MenuItem create_colours_menu(){
+	auto colours_menu_item = new_sub_menu_item_with_mnemonic( "Colors" );
 	auto menu_in_menu = ui::Menu(GTK_MENU( gtk_menu_item_get_submenu( colours_menu_item ) ));
 	if ( g_Layout_enableDetachableMenus.m_value ) {
 		menu_tearoff( menu_in_menu );
@@ -1638,7 +1628,7 @@ WaitDialog create_wait_dialog( const char* title, const char* text ){
 		dialog.m_label.show();
 		gtk_widget_set_size_request( GTK_WIDGET( dialog.m_label ), 200, -1 );
 
-		gtk_container_add( GTK_CONTAINER( dialog.m_window ), GTK_WIDGET( dialog.m_label ) );
+		dialog.m_window.add(dialog.m_label);
 	}
 	return dialog;
 }
@@ -1791,9 +1781,9 @@ LatchedBool g_Layout_enablePluginToolbar( true, "Plugin Toolbar" );
 
 
 
-GtkMenuItem* create_file_menu(){
+ui::MenuItem create_file_menu(){
 	// File menu
-	GtkMenuItem* file_menu_item = new_sub_menu_item_with_mnemonic( "_File" );
+	auto file_menu_item = new_sub_menu_item_with_mnemonic( "_File" );
 	auto menu = ui::Menu(GTK_MENU( gtk_menu_item_get_submenu( file_menu_item ) ));
 	if ( g_Layout_enableDetachableMenus.m_value ) {
 		menu_tearoff( menu );
@@ -1831,9 +1821,9 @@ GtkMenuItem* create_file_menu(){
 	return file_menu_item;
 }
 
-GtkMenuItem* create_edit_menu(){
+ui::MenuItem create_edit_menu(){
 	// Edit menu
-	GtkMenuItem* edit_menu_item = new_sub_menu_item_with_mnemonic( "_Edit" );
+	auto edit_menu_item = new_sub_menu_item_with_mnemonic( "_Edit" );
 	auto menu = ui::Menu(GTK_MENU( gtk_menu_item_get_submenu( edit_menu_item ) ));
 	if ( g_Layout_enableDetachableMenus.m_value ) {
 		menu_tearoff( menu );
@@ -1888,9 +1878,9 @@ ui::Widget g_toggle_console_item;
 ui::Widget g_toggle_entity_item;
 ui::Widget g_toggle_entitylist_item;
 
-GtkMenuItem* create_view_menu( MainFrame::EViewStyle style ){
+ui::MenuItem create_view_menu( MainFrame::EViewStyle style ){
 	// View menu
-	GtkMenuItem* view_menu_item = new_sub_menu_item_with_mnemonic( "Vie_w" );
+	auto view_menu_item = new_sub_menu_item_with_mnemonic( "Vie_w" );
 	auto menu = ui::Menu(GTK_MENU( gtk_menu_item_get_submenu( view_menu_item ) ));
 	if ( g_Layout_enableDetachableMenus.m_value ) {
 		menu_tearoff( menu );
@@ -2002,9 +1992,9 @@ GtkMenuItem* create_view_menu( MainFrame::EViewStyle style ){
 	return view_menu_item;
 }
 
-GtkMenuItem* create_selection_menu(){
+ui::MenuItem create_selection_menu(){
 	// Selection menu
-	GtkMenuItem* selection_menu_item = new_sub_menu_item_with_mnemonic( "M_odify" );
+	auto selection_menu_item = new_sub_menu_item_with_mnemonic( "M_odify" );
 	auto menu = ui::Menu(GTK_MENU( gtk_menu_item_get_submenu( selection_menu_item ) ));
 	if ( g_Layout_enableDetachableMenus.m_value ) {
 		menu_tearoff( menu );
@@ -2057,9 +2047,9 @@ GtkMenuItem* create_selection_menu(){
 	return selection_menu_item;
 }
 
-GtkMenuItem* create_bsp_menu(){
+ui::MenuItem create_bsp_menu(){
 	// BSP menu
-	GtkMenuItem* bsp_menu_item = new_sub_menu_item_with_mnemonic( "_Build" );
+	auto bsp_menu_item = new_sub_menu_item_with_mnemonic( "_Build" );
 	auto menu = ui::Menu(GTK_MENU( gtk_menu_item_get_submenu( bsp_menu_item ) ));
 
 	if ( g_Layout_enableDetachableMenus.m_value ) {
@@ -2077,9 +2067,9 @@ GtkMenuItem* create_bsp_menu(){
 	return bsp_menu_item;
 }
 
-GtkMenuItem* create_grid_menu(){
+ui::MenuItem create_grid_menu(){
 	// Grid menu
-	GtkMenuItem* grid_menu_item = new_sub_menu_item_with_mnemonic( "_Grid" );
+	auto grid_menu_item = new_sub_menu_item_with_mnemonic( "_Grid" );
 	auto menu = ui::Menu(GTK_MENU( gtk_menu_item_get_submenu( grid_menu_item ) ));
 	if ( g_Layout_enableDetachableMenus.m_value ) {
 		menu_tearoff( menu );
@@ -2090,9 +2080,9 @@ GtkMenuItem* create_grid_menu(){
 	return grid_menu_item;
 }
 
-GtkMenuItem* create_misc_menu(){
+ui::MenuItem create_misc_menu(){
 	// Misc menu
-	GtkMenuItem* misc_menu_item = new_sub_menu_item_with_mnemonic( "M_isc" );
+	auto misc_menu_item = new_sub_menu_item_with_mnemonic( "M_isc" );
 	auto menu = ui::Menu(GTK_MENU( gtk_menu_item_get_submenu( misc_menu_item ) ));
 	if ( g_Layout_enableDetachableMenus.m_value ) {
 		menu_tearoff( menu );
@@ -2101,7 +2091,7 @@ GtkMenuItem* create_misc_menu(){
 #if 0
 	create_menu_item_with_mnemonic( menu, "_Benchmark", FreeCaller<GlobalCamera_Benchmark>() );
 #endif
-	gtk_container_add( GTK_CONTAINER( menu ), GTK_WIDGET( create_colours_menu() ) );
+    menu.add(create_colours_menu());
 
 	create_menu_item_with_mnemonic( menu, "Find brush...", "FindBrush" );
 	create_menu_item_with_mnemonic( menu, "Map Info...", "MapInfo" );
@@ -2111,9 +2101,9 @@ GtkMenuItem* create_misc_menu(){
 	return misc_menu_item;
 }
 
-GtkMenuItem* create_entity_menu(){
+ui::MenuItem create_entity_menu(){
 	// Brush menu
-	GtkMenuItem* entity_menu_item = new_sub_menu_item_with_mnemonic( "E_ntity" );
+	auto entity_menu_item = new_sub_menu_item_with_mnemonic( "E_ntity" );
 	auto menu = ui::Menu(GTK_MENU( gtk_menu_item_get_submenu( entity_menu_item ) ));
 	if ( g_Layout_enableDetachableMenus.m_value ) {
 		menu_tearoff( menu );
@@ -2124,9 +2114,9 @@ GtkMenuItem* create_entity_menu(){
 	return entity_menu_item;
 }
 
-GtkMenuItem* create_brush_menu(){
+ui::MenuItem create_brush_menu(){
 	// Brush menu
-	GtkMenuItem* brush_menu_item = new_sub_menu_item_with_mnemonic( "B_rush" );
+	auto brush_menu_item = new_sub_menu_item_with_mnemonic( "B_rush" );
 	auto menu = ui::Menu(GTK_MENU( gtk_menu_item_get_submenu( brush_menu_item ) ));
 	if ( g_Layout_enableDetachableMenus.m_value ) {
 		menu_tearoff( menu );
@@ -2137,9 +2127,9 @@ GtkMenuItem* create_brush_menu(){
 	return brush_menu_item;
 }
 
-GtkMenuItem* create_patch_menu(){
+ui::MenuItem create_patch_menu(){
 	// Curve menu
-	GtkMenuItem* patch_menu_item = new_sub_menu_item_with_mnemonic( "_Curve" );
+	auto patch_menu_item = new_sub_menu_item_with_mnemonic( "_Curve" );
 	auto menu = ui::Menu(GTK_MENU( gtk_menu_item_get_submenu( patch_menu_item ) ));
 	if ( g_Layout_enableDetachableMenus.m_value ) {
 		menu_tearoff( menu );
@@ -2150,9 +2140,9 @@ GtkMenuItem* create_patch_menu(){
 	return patch_menu_item;
 }
 
-GtkMenuItem* create_help_menu(){
+ui::MenuItem create_help_menu(){
 	// Help menu
-	GtkMenuItem* help_menu_item = new_sub_menu_item_with_mnemonic( "_Help" );
+	auto help_menu_item = new_sub_menu_item_with_mnemonic( "_Help" );
 	auto menu = ui::Menu(GTK_MENU( gtk_menu_item_get_submenu( help_menu_item ) ));
 	if ( g_Layout_enableDetachableMenus.m_value ) {
 		menu_tearoff( menu );
@@ -2175,18 +2165,18 @@ GtkMenuBar* create_main_menu( MainFrame::EViewStyle style ){
 	auto menu_bar = ui::MenuBar(GTK_MENU_BAR( gtk_menu_bar_new() ));
 	menu_bar.show();
 
-	gtk_container_add( menu_bar, GTK_WIDGET( create_file_menu() ) );
-	gtk_container_add( menu_bar, GTK_WIDGET( create_edit_menu() ) );
-	gtk_container_add( menu_bar, GTK_WIDGET( create_view_menu( style ) ) );
-	gtk_container_add( menu_bar, GTK_WIDGET( create_selection_menu() ) );
-	gtk_container_add( menu_bar, GTK_WIDGET( create_bsp_menu() ) );
-	gtk_container_add( menu_bar, GTK_WIDGET( create_grid_menu() ) );
-	gtk_container_add( menu_bar, GTK_WIDGET( create_misc_menu() ) );
-	gtk_container_add( menu_bar, GTK_WIDGET( create_entity_menu() ) );
-	gtk_container_add( menu_bar, GTK_WIDGET( create_brush_menu() ) );
-	gtk_container_add( menu_bar, GTK_WIDGET( create_patch_menu() ) );
-	gtk_container_add( menu_bar, GTK_WIDGET( create_plugins_menu() ) );
-	gtk_container_add( menu_bar, GTK_WIDGET( create_help_menu() ) );
+	menu_bar.add(create_file_menu());
+	menu_bar.add(create_edit_menu());
+	menu_bar.add(create_view_menu(style));
+	menu_bar.add(create_selection_menu());
+	menu_bar.add(create_bsp_menu());
+	menu_bar.add(create_grid_menu());
+	menu_bar.add(create_misc_menu());
+	menu_bar.add(create_entity_menu());
+	menu_bar.add(create_brush_menu());
+	menu_bar.add(create_patch_menu());
+	menu_bar.add(create_plugins_menu());
+	menu_bar.add(create_help_menu());
 
 	return menu_bar;
 }
@@ -2328,7 +2318,7 @@ ui::Toolbar create_main_toolbar( MainFrame::EViewStyle style ){
 	auto space = [&]() {
 		auto btn = ui::Widget(GTK_WIDGET(gtk_separator_tool_item_new()));
 		btn.show();
-		gtk_container_add(toolbar, btn);
+		toolbar.add(btn);
 	};
 
 	File_constructToolbar( toolbar );
@@ -2423,7 +2413,7 @@ ui::Widget create_main_statusbar( ui::Widget pStatusLabel[c_count_status] ){
 		gtk_misc_set_alignment( GTK_MISC( label ), 0, 0.5 );
 		gtk_misc_set_padding( GTK_MISC( label ), 4, 2 );
 		label.show();
-		gtk_container_add( GTK_CONTAINER( frame ), GTK_WIDGET( label ) );
+		frame.add(label);
 		pStatusLabel[i] = ui::Widget(GTK_WIDGET( label ));
 	}
 
@@ -2678,7 +2668,7 @@ ui::Window create_splash(){
 
 	auto image = new_local_image( "splash.png" );
 	image.show();
-	gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( image ) );
+	window.add(image);
 
 	gtk_widget_set_size_request( GTK_WIDGET( window ), -1, -1 );
 	window.show();
@@ -2743,7 +2733,7 @@ void MainFrame::Create(){
 	GetPlugInMgr().Init( window );
 
 	ui::Widget vbox = ui::VBox( FALSE, 0 );
-	gtk_container_add( GTK_CONTAINER( window ), vbox );
+	window.add(vbox);
 	vbox.show();
 
 	global_accel_connect_window( window );
@@ -2873,8 +2863,8 @@ void MainFrame::Create(){
 			GlobalCamera_setCamWnd( *m_pCamWnd );
 
 			{
-				GtkFrame* frame = create_framed_widget( CamWnd_getWidget( *m_pCamWnd ) );
-				gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( frame ) );
+				auto frame = create_framed_widget( CamWnd_getWidget( *m_pCamWnd ) );
+				window.add(frame);
 			}
 			CamWnd_setParent( *m_pCamWnd, window );
 
@@ -2892,8 +2882,8 @@ void MainFrame::Create(){
 
 
 			{
-				GtkFrame* frame = create_framed_widget( m_pXYWnd->GetWidget() );
-				gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( frame ) );
+				auto frame = create_framed_widget( m_pXYWnd->GetWidget() );
+				window.add(frame);
 			}
 			XY_Top_Shown_Construct( window );
 
@@ -2910,8 +2900,8 @@ void MainFrame::Create(){
 			m_pXZWnd->SetViewType( XZ );
 
 			{
-				GtkFrame* frame = create_framed_widget( m_pXZWnd->GetWidget() );
-				gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( frame ) );
+				auto frame = create_framed_widget( m_pXZWnd->GetWidget() );
+				window.add(frame);
 			}
 
 			XZ_Front_Shown_Construct( window );
@@ -2929,8 +2919,8 @@ void MainFrame::Create(){
 			m_pYZWnd->SetViewType( YZ );
 
 			{
-				GtkFrame* frame = create_framed_widget( m_pYZWnd->GetWidget() );
-				gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( frame ) );
+				auto frame = create_framed_widget( m_pYZWnd->GetWidget() );
+				window.add(frame);
 			}
 
 			YZ_Side_Shown_Construct( window );
diff --git a/radiant/map.cpp b/radiant/map.cpp
index 244001ea..fa54737a 100644
--- a/radiant/map.cpp
+++ b/radiant/map.cpp
@@ -770,8 +770,8 @@ void DoMapInfo(){
 	window_set_position( window, g_posMapInfoWnd );
 
 	{
-		GtkVBox* vbox = create_dialog_vbox( 4, 4 );
-		gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( vbox ) );
+		auto vbox = create_dialog_vbox( 4, 4 );
+		window.add(vbox);
 
 		{
 			GtkHBox* hbox = create_dialog_hbox( 4 );
@@ -835,7 +835,7 @@ void DoMapInfo(){
 			gtk_misc_set_alignment( GTK_MISC( label ), 0, 0.5 );
 		}
 		{
-			GtkScrolledWindow* scr = create_scrolled_window( GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC, 4 );
+			auto scr = create_scrolled_window( GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC, 4 );
 			gtk_box_pack_start( GTK_BOX( vbox ), GTK_WIDGET( scr ), TRUE, TRUE, 0 );
 
 			{
@@ -860,7 +860,7 @@ void DoMapInfo(){
 
 				view.show();
 
-				gtk_container_add( GTK_CONTAINER( scr ), view );
+				scr.add(view);
 
 				EntityBreakdownWalker = store;
 			}
@@ -2043,8 +2043,8 @@ void DoFind(){
 	window.add_accel_group( accel );
 
 	{
-		GtkVBox* vbox = create_dialog_vbox( 4, 4 );
-		gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( vbox ) );
+		auto vbox = create_dialog_vbox( 4, 4 );
+		window.add(vbox);
 		{
 			GtkTable* table = create_dialog_table( 2, 2, 4, 4 );
 			gtk_box_pack_start( GTK_BOX( vbox ), GTK_WIDGET( table ), TRUE, TRUE, 0 );
diff --git a/radiant/patchdialog.cpp b/radiant/patchdialog.cpp
index b3785496..2121b928 100644
--- a/radiant/patchdialog.cpp
+++ b/radiant/patchdialog.cpp
@@ -565,7 +565,7 @@ ui::Window PatchInspector::BuildDialog(){
 		auto vbox = ui::VBox( FALSE, 5 );
 		gtk_container_set_border_width( GTK_CONTAINER( vbox ), 5 );
 		vbox.show();
-		gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( vbox ) );
+		window.add(vbox);
 		{
 			auto hbox = ui::HBox( FALSE, 5 );
 			hbox.show();
@@ -583,7 +583,7 @@ ui::Window PatchInspector::BuildDialog(){
 						auto vbox3 = ui::VBox( FALSE, 5 );
 						gtk_container_set_border_width( GTK_CONTAINER( vbox3 ), 5 );
 						vbox3.show();
-						gtk_container_add( GTK_CONTAINER( frame ), GTK_WIDGET( vbox3 ) );
+						frame.add(vbox3);
 						{
 							auto table = ui::Table( 2, 2, FALSE );
 							table.show();
@@ -730,7 +730,7 @@ ui::Window PatchInspector::BuildDialog(){
 						auto vbox3 = ui::VBox( FALSE, 5 );
 						gtk_container_set_border_width( GTK_CONTAINER( vbox3 ), 5 );
 						vbox3.show();
-						gtk_container_add( GTK_CONTAINER( frame ), GTK_WIDGET( vbox3 ) );
+						frame.add(vbox3);
 						{
 							auto table = ui::Table( 3, 2, FALSE );
 							table.show();
@@ -797,7 +797,7 @@ ui::Window PatchInspector::BuildDialog(){
 				{
 					auto vbox2 = ui::VBox( FALSE, 5 );
 					vbox2.show();
-					gtk_container_add( GTK_CONTAINER( frame ), GTK_WIDGET( vbox2 ) );
+					frame.add(vbox2);
 					gtk_container_set_border_width( GTK_CONTAINER( vbox2 ), 5 );
 					{
 						auto label = ui::Label( "Name:" );
diff --git a/radiant/patchmanip.cpp b/radiant/patchmanip.cpp
index 572e8e9b..16d5d5e2 100644
--- a/radiant/patchmanip.cpp
+++ b/radiant/patchmanip.cpp
@@ -852,8 +852,8 @@ void DoNewPatchDlg( EPatchPrefab prefab, int minrows, int mincols, int defrows,
 	window.add_accel_group( accel );
 
 	{
-		GtkHBox* hbox = create_dialog_hbox( 4, 4 );
-		gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( hbox ) );
+		auto hbox = create_dialog_hbox( 4, 4 );
+		window.add(hbox);
 		{
 			GtkTable* table = create_dialog_table( 2, 2, 4, 4 );
 			gtk_box_pack_start( GTK_BOX( hbox ), GTK_WIDGET( table ), TRUE, TRUE, 0 );
@@ -979,13 +979,13 @@ EMessageBoxReturn DoCapDlg( ECapDialog* type ){
 	window.add_accel_group( accel_group );
 
 	{
-		GtkHBox* hbox = create_dialog_hbox( 4, 4 );
-		gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( hbox ) );
+		auto hbox = create_dialog_hbox( 4, 4 );
+		window.add(hbox);
 
 		{
 			// Gef: Added a vbox to contain the toggle buttons
-			GtkVBox* radio_vbox = create_dialog_vbox( 4 );
-			gtk_container_add( GTK_CONTAINER( hbox ), GTK_WIDGET( radio_vbox ) );
+			auto radio_vbox = create_dialog_vbox( 4 );
+			hbox.add(radio_vbox);
 
 			{
 				auto table = ui::Table( 5, 2, FALSE );
diff --git a/radiant/pluginmenu.cpp b/radiant/pluginmenu.cpp
index b9dd5dc7..e3b278c5 100644
--- a/radiant/pluginmenu.cpp
+++ b/radiant/pluginmenu.cpp
@@ -40,7 +40,7 @@ void plugin_activated( ui::Widget widget, gpointer data ){
 
 #include <stack>
 
-void PlugInMenu_Add( GtkMenu* plugin_menu, IPlugIn* pPlugIn ){
+void PlugInMenu_Add( ui::Menu plugin_menu, IPlugIn* pPlugIn ){
 	ui::Widget item, parent;
 	ui::Menu menu{nullptr}, subMenu{nullptr};
 	const char *menuText, *menuCommand;
@@ -48,7 +48,7 @@ void PlugInMenu_Add( GtkMenu* plugin_menu, IPlugIn* pPlugIn ){
 
 	parent = ui::MenuItem( pPlugIn->getMenuName() );
 	parent.show();
-	gtk_container_add( GTK_CONTAINER( plugin_menu ), parent );
+	plugin_menu.add(parent);
 
 	std::size_t nCount = pPlugIn->getCommandCount();
 	if ( nCount > 0 ) {
@@ -76,7 +76,7 @@ void PlugInMenu_Add( GtkMenu* plugin_menu, IPlugIn* pPlugIn ){
 
 					item = ui::MenuItem( menuText );
 					item.show();
-					gtk_container_add( GTK_CONTAINER( menu ), item );
+					menu.add(item);
 
 					subMenu = ui::Menu();
 					gtk_menu_item_set_submenu( GTK_MENU_ITEM( item ), subMenu );
@@ -102,7 +102,7 @@ void PlugInMenu_Add( GtkMenu* plugin_menu, IPlugIn* pPlugIn ){
 					g_signal_connect( G_OBJECT( item ), "activate", G_CALLBACK( plugin_activated ), gint_to_pointer( m_nNextPlugInID ) );
 				}
 				item.show();
-				gtk_container_add( GTK_CONTAINER( menu ), item );
+				menu.add(item);
 				pPlugIn->addMenuID( m_nNextPlugInID++ );
 			}
 		}
@@ -122,15 +122,15 @@ void PlugInMenu_Add( GtkMenu* plugin_menu, IPlugIn* pPlugIn ){
 	}
 }
 
-GtkMenu* g_plugins_menu = 0;
+ui::Menu g_plugins_menu{ui::null};
 GtkMenuItem* g_plugins_menu_separator = 0;
 
 void PluginsMenu_populate(){
 	class PluginsMenuConstructor : public PluginsVisitor
 	{
-	GtkMenu* m_menu;
+	ui::Menu m_menu;
 public:
-	PluginsMenuConstructor( GtkMenu* menu ) : m_menu( menu ){
+	PluginsMenuConstructor( ui::Menu menu ) : m_menu( menu ){
 	}
 	void visit( IPlugIn& plugin ){
 		PlugInMenu_Add( m_menu, &plugin );
diff --git a/radiant/plugintoolbar.cpp b/radiant/plugintoolbar.cpp
index 6486e1bd..ac79b101 100644
--- a/radiant/plugintoolbar.cpp
+++ b/radiant/plugintoolbar.cpp
@@ -54,29 +54,29 @@ ui::Image new_plugin_image( const char* filename ){
 	return image_new_missing();
 }
 
-void toolbar_insert( GtkToolbar *toolbar, const char* icon, const char* text, const char* tooltip, IToolbarButton::EType type, GCallback handler, gpointer data ){
+void toolbar_insert( ui::Toolbar toolbar, const char* icon, const char* text, const char* tooltip, IToolbarButton::EType type, GCallback handler, gpointer data ){
 	if (type == IToolbarButton::eSpace) {
 		auto it = ui::Widget(GTK_WIDGET(gtk_separator_tool_item_new()));
 		it.show();
-		gtk_container_add(GTK_CONTAINER(toolbar), GTK_WIDGET(it));
+		toolbar.add(it);
 		return;
 	}
 	if (type == IToolbarButton::eButton) {
-		auto button = gtk_tool_button_new(GTK_WIDGET(new_plugin_image(icon)), text);
-		gtk_widget_set_tooltip_text(GTK_WIDGET(button), tooltip);
-		gtk_widget_show_all(GTK_WIDGET(button));
-		g_signal_connect(G_OBJECT(button), "clicked", G_CALLBACK(handler), data);
-		gtk_container_add(GTK_CONTAINER(toolbar), GTK_WIDGET(button));
+		auto button = ui::ToolButton(GTK_TOOL_BUTTON(gtk_tool_button_new(GTK_WIDGET(new_plugin_image(icon)), text)));
+		gtk_widget_set_tooltip_text(button, tooltip);
+		gtk_widget_show_all(button);
+		g_signal_connect(button, "clicked", G_CALLBACK(handler), data);
+		toolbar.add(button);
 		return;
 	}
 	if (type == IToolbarButton::eToggleButton) {
-		auto button = gtk_toggle_tool_button_new();
-		gtk_tool_button_set_icon_widget(GTK_TOOL_BUTTON(button), GTK_WIDGET(new_plugin_image(icon)));
-		gtk_tool_button_set_label(GTK_TOOL_BUTTON(button), text);
-		gtk_widget_set_tooltip_text(GTK_WIDGET(button), tooltip);
-		gtk_widget_show_all(GTK_WIDGET(button));
-		g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(handler), data);
-		gtk_container_add(GTK_CONTAINER(toolbar), GTK_WIDGET(button));
+		auto button = ui::ToolButton(GTK_TOOL_BUTTON(gtk_toggle_tool_button_new()));
+		gtk_tool_button_set_icon_widget(button, GTK_WIDGET(new_plugin_image(icon)));
+		gtk_tool_button_set_label(button, text);
+		gtk_widget_set_tooltip_text(button, tooltip);
+		gtk_widget_show_all(button);
+		g_signal_connect(button, "toggled", G_CALLBACK(handler), data);
+		toolbar.add(button);
 		return;
 	}
 	ERROR_MESSAGE( "invalid toolbar button type" );
@@ -86,7 +86,7 @@ void ActivateToolbarButton( GtkToolButton *widget, gpointer data ){
 	(const_cast<const IToolbarButton *>( reinterpret_cast<IToolbarButton *>( data )))->activate();
 }
 
-void PlugInToolbar_AddButton( GtkToolbar* toolbar, const IToolbarButton* button ){
+void PlugInToolbar_AddButton( ui::Toolbar toolbar, const IToolbarButton* button ){
 	toolbar_insert( toolbar, button->getImage(), button->getText(), button->getTooltip(), button->getType(), G_CALLBACK( ActivateToolbarButton ), reinterpret_cast<gpointer>( const_cast<IToolbarButton*>( button ) ) );
 }
 
@@ -95,9 +95,9 @@ ui::Toolbar g_plugin_toolbar{nullptr};
 void PluginToolbar_populate(){
 	class AddToolbarItemVisitor : public ToolbarModules::Visitor
 	{
-	GtkToolbar* m_toolbar;
+	ui::Toolbar m_toolbar;
 public:
-	AddToolbarItemVisitor( GtkToolbar* toolbar )
+	AddToolbarItemVisitor( ui::Toolbar toolbar )
 		: m_toolbar( toolbar ){
 	}
 	void visit( const char* name, const _QERPlugToolbarTable& table ) const {
diff --git a/radiant/preferences.cpp b/radiant/preferences.cpp
index 15d216a6..d1ae9e15 100644
--- a/radiant/preferences.cpp
+++ b/radiant/preferences.cpp
@@ -320,7 +320,7 @@ ui::Window CGameDialog::BuildDialog(){
 	auto frame = create_dialog_frame( "Game settings", GTK_SHADOW_ETCHED_IN );
 
 	auto vbox2 = create_dialog_vbox( 0, 4 );
-	gtk_container_add( GTK_CONTAINER( frame ), GTK_WIDGET( vbox2 ) );
+	frame.add(vbox2);
 
 	{
 		PreferencesPage preferencesPage( *this, ui::Widget(GTK_WIDGET( vbox2 )) );
@@ -641,14 +641,14 @@ ui::Widget PreferencePages_addPage( ui::Widget notebook, const char* name ){
 	ui::Widget preflabel = ui::Label( name );
 	preflabel.show();
 
-	ui::Widget pageframe = ui::Frame( name );
+	auto pageframe = ui::Frame( name );
 	gtk_container_set_border_width( GTK_CONTAINER( pageframe ), 4 );
 	pageframe.show();
 
 	ui::Widget vbox = ui::VBox( FALSE, 4 );
 	vbox.show();
 	gtk_container_set_border_width( GTK_CONTAINER( vbox ), 4 );
-	gtk_container_add( GTK_CONTAINER( pageframe ), vbox );
+	pageframe.add(vbox);
 
 	// Add the page to the notebook
 	gtk_notebook_append_page( GTK_NOTEBOOK( notebook ), pageframe, preflabel );
@@ -684,7 +684,7 @@ ui::Window PrefsDlg::BuildDialog(){
 
 	{
 		ui::Widget mainvbox = ui::VBox( FALSE, 5 );
-		gtk_container_add( GTK_CONTAINER( dialog ), mainvbox );
+		dialog.add(mainvbox);
 		gtk_container_set_border_width( GTK_CONTAINER( mainvbox ), 5 );
 		mainvbox.show();
 
@@ -713,7 +713,7 @@ ui::Window PrefsDlg::BuildDialog(){
 			hbox.show();
 
 			{
-				ui::Widget sc_win = ui::ScrolledWindow();
+				auto sc_win = ui::ScrolledWindow();
 				gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( sc_win ), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC );
 				gtk_box_pack_start( GTK_BOX( hbox ), sc_win, FALSE, FALSE, 0 );
 				sc_win.show();
@@ -746,7 +746,7 @@ ui::Window PrefsDlg::BuildDialog(){
 
 					view.show();
 
-					gtk_container_add( GTK_CONTAINER( sc_win ), view );
+					sc_win.add(view);
 
 					{
 						/********************************************************************/
diff --git a/radiant/select.cpp b/radiant/select.cpp
index d2cfed61..f88cf1aa 100644
--- a/radiant/select.cpp
+++ b/radiant/select.cpp
@@ -914,8 +914,8 @@ void DoRotateDlg(){
 		g_rotate_dialog.window.add_accel_group( accel );
 
 		{
-			GtkHBox* hbox = create_dialog_hbox( 4, 4 );
-			gtk_container_add( GTK_CONTAINER( g_rotate_dialog.window ), GTK_WIDGET( hbox ) );
+			auto hbox = create_dialog_hbox( 4, 4 );
+			g_rotate_dialog.window.add(hbox);
 			{
 				GtkTable* table = create_dialog_table( 3, 2, 4, 4 );
 				gtk_box_pack_start( GTK_BOX( hbox ), GTK_WIDGET( table ), TRUE, TRUE, 0 );
@@ -1067,8 +1067,8 @@ void DoScaleDlg(){
 		g_scale_dialog.window.add_accel_group( accel );
 
 		{
-			GtkHBox* hbox = create_dialog_hbox( 4, 4 );
-			gtk_container_add( GTK_CONTAINER( g_scale_dialog.window ), GTK_WIDGET( hbox ) );
+			auto hbox = create_dialog_hbox( 4, 4 );
+			g_scale_dialog.window.add(hbox);
 			{
 				GtkTable* table = create_dialog_table( 3, 2, 4, 4 );
 				gtk_box_pack_start( GTK_BOX( hbox ), GTK_WIDGET( table ), TRUE, TRUE, 0 );
diff --git a/radiant/surfacedialog.cpp b/radiant/surfacedialog.cpp
index dcc5ab5b..8209a16a 100644
--- a/radiant/surfacedialog.cpp
+++ b/radiant/surfacedialog.cpp
@@ -593,7 +593,7 @@ ui::Window SurfaceInspector::BuildDialog(){
 		// replaced by only the vbox:
 		ui::Widget vbox = ui::VBox( FALSE, 5 );
 		vbox.show();
-		gtk_container_add( GTK_CONTAINER( window ), GTK_WIDGET( vbox ) );
+		window.add(vbox);
 		gtk_container_set_border_width( GTK_CONTAINER( vbox ), 5 );
 
 		{
@@ -816,13 +816,13 @@ ui::Window SurfaceInspector::BuildDialog(){
 		}
 
 		{
-			ui::Widget frame = ui::Frame( "Texturing" );
+			auto frame = ui::Frame( "Texturing" );
 			frame.show();
 			gtk_box_pack_start( GTK_BOX( vbox ), GTK_WIDGET( frame ), FALSE, FALSE, 0 );
 			{
 				ui::Widget table = ui::Table( 4, 4, FALSE );
 				table.show();
-				gtk_container_add( GTK_CONTAINER( frame ), table );
+				frame.add(table);
 				gtk_table_set_row_spacings( GTK_TABLE( table ), 5 );
 				gtk_table_set_col_spacings( GTK_TABLE( table ), 5 );
 				gtk_container_set_border_width( GTK_CONTAINER( table ), 5 );
@@ -943,7 +943,7 @@ ui::Window SurfaceInspector::BuildDialog(){
 					auto vbox3 = ui::VBox( FALSE, 4 );
 					//gtk_container_set_border_width(GTK_CONTAINER(vbox3), 4);
 					vbox3.show();
-					gtk_container_add( GTK_CONTAINER( frame ), GTK_WIDGET( vbox3 ) );
+					frame.add(vbox3);
 					{
 						auto table = ui::Table( 8, 4, FALSE );
 						table.show();
@@ -978,7 +978,7 @@ ui::Window SurfaceInspector::BuildDialog(){
 					auto vbox3 = ui::VBox( FALSE, 4 );
 					//gtk_container_set_border_width(GTK_CONTAINER(vbox3), 4);
 					vbox3.show();
-					gtk_container_add( GTK_CONTAINER( frame ), GTK_WIDGET( vbox3 ) );
+					frame.add(vbox3);
 					{
 
 						auto table = ui::Table( 8, 4, FALSE );
@@ -1017,7 +1017,7 @@ ui::Window SurfaceInspector::BuildDialog(){
 					auto vbox3 = ui::VBox( FALSE, 4 );
 					gtk_container_set_border_width( GTK_CONTAINER( vbox3 ), 4 );
 					vbox3.show();
-					gtk_container_add( GTK_CONTAINER( frame ), GTK_WIDGET( vbox3 ) );
+					frame.add(vbox3);
 
 					{
 						auto entry = ui::Entry();
@@ -1046,7 +1046,7 @@ ui::Window SurfaceInspector::BuildDialog(){
 				// <-- end stuff...
 				TexTool::g_textoolWin.show();
 				gtk_widget_set_size_request( TexTool::g_textoolWin, -1, 240 ); //Yeah!
-				gtk_container_add( GTK_CONTAINER( frame ), TexTool::g_textoolWin );
+				frame.add(TexTool::g_textoolWin);
 
 				g_signal_connect( G_OBJECT( TexTool::g_textoolWin ), "size_allocate", G_CALLBACK( TexTool::size_allocate ), NULL );
 				g_signal_connect( G_OBJECT( TexTool::g_textoolWin ), "expose_event", G_CALLBACK( TexTool::expose ), NULL );
@@ -1068,7 +1068,7 @@ ui::Window SurfaceInspector::BuildDialog(){
 
 //Instead of this, we probably need to create a vbox to put into the frame, then the
 //window, then the hbox. !!! FIX !!!
-//        gtk_container_add(GTK_CONTAINER(frame), hbox);
+//        frame.add(hbox);
 
 //Hmm. Do we really need g_object_set_data? Mebbe not... And we don't! :-)
 //        g_object_set_data(G_OBJECT(flipX), "handler", gint_to_pointer(g_signal_connect(G_OBJECT(flipX), "toggled", G_CALLBACK(TexTool::flipX), 0)));
diff --git a/radiant/textureentry.h b/radiant/textureentry.h
index 19c72e84..67238a60 100644
--- a/radiant/textureentry.h
+++ b/radiant/textureentry.h
@@ -41,7 +41,7 @@ public:
 EntryCompletion() : m_store( 0 ), m_idleUpdate( UpdateCaller( *this ) ){
 }
 
-void connect( GtkEntry* entry ){
+void connect( ui::Entry entry ){
 	if ( !m_store ) {
 		m_store = ui::ListStore(gtk_list_store_new( 1, G_TYPE_STRING ));
 
@@ -50,7 +50,7 @@ void connect( GtkEntry* entry ){
 		StringList().connect( IdleDraw::QueueDrawCaller( m_idleUpdate ) );
 	}
 
-	GtkEntryCompletion* completion = gtk_entry_completion_new();
+	auto completion = ui::EntryCompletion(gtk_entry_completion_new());
 	gtk_entry_set_completion( entry, completion );
 	gtk_entry_completion_set_model( completion, GTK_TREE_MODEL( m_store ) );
 	gtk_entry_completion_set_text_column( completion, 0 );
diff --git a/radiant/texwindow.cpp b/radiant/texwindow.cpp
index 7a79eb05..3cf2939c 100644
--- a/radiant/texwindow.cpp
+++ b/radiant/texwindow.cpp
@@ -259,7 +259,7 @@ ui::Widget m_gl_widget;
 ui::Widget m_texture_scroll;
 ui::Widget m_treeViewTree;
 ui::Widget m_treeViewTags;
-ui::Widget m_tag_frame;
+ui::Frame m_tag_frame{ui::null};
 ui::ListStore m_assigned_store{nullptr};
 ui::ListStore m_available_store{nullptr};
 ui::Widget m_assigned_tree;
@@ -267,7 +267,7 @@ ui::Widget m_available_tree;
 ui::Widget m_scr_win_tree;
 ui::Widget m_scr_win_tags;
 ui::Widget m_tag_notebook;
-ui::Widget m_search_button;
+ui::Button m_search_button{ui::null};
 ui::Widget m_shader_info_item;
 
 std::set<CopiedString> m_all_tags;
@@ -1941,7 +1941,7 @@ void TextureBrowser_constructSearchButton(){
 	g_TextureBrowser.m_search_button = ui::Button();
 	g_signal_connect( G_OBJECT( g_TextureBrowser.m_search_button ), "clicked", G_CALLBACK( TextureBrowser_searchTags ), NULL );
 	gtk_widget_set_tooltip_text(g_TextureBrowser.m_search_button, "Search with selected tags");
-	gtk_container_add( GTK_CONTAINER( g_TextureBrowser.m_search_button ), image );
+	g_TextureBrowser.m_search_button.add(image);
 }
 
 void TextureBrowser_checkTagFile(){
@@ -2122,7 +2122,7 @@ ui::Widget TextureBrowser_constructWindow( ui::Window toplevel ){
 
 			frame_table.show();
 
-			gtk_container_add( GTK_CONTAINER( g_TextureBrowser.m_tag_frame ), frame_table );
+			g_TextureBrowser.m_tag_frame.add(frame_table);
 		}
 		{ // assigned tag list
 			ui::Widget scrolled_win = ui::ScrolledWindow();
@@ -2182,12 +2182,12 @@ ui::Widget TextureBrowser_constructWindow( ui::Window toplevel ){
 			gtk_table_attach( GTK_TABLE( frame_table ), scrolled_win, 2, 3, 1, 3, GTK_FILL, GTK_FILL, 0, 0 );
 		}
 		{ // tag arrow buttons
-			ui::Widget m_btn_left = ui::Button();
-			ui::Widget m_btn_right = ui::Button();
-			ui::Widget m_arrow_left = ui::Widget(gtk_arrow_new( GTK_ARROW_LEFT, GTK_SHADOW_OUT ));
-			ui::Widget m_arrow_right = ui::Widget(gtk_arrow_new( GTK_ARROW_RIGHT, GTK_SHADOW_OUT ));
-			gtk_container_add( GTK_CONTAINER( m_btn_left ), m_arrow_left );
-			gtk_container_add( GTK_CONTAINER( m_btn_right ), m_arrow_right );
+			auto m_btn_left = ui::Button();
+			auto m_btn_right = ui::Button();
+			auto m_arrow_left = ui::Widget(gtk_arrow_new( GTK_ARROW_LEFT, GTK_SHADOW_OUT ));
+			auto m_arrow_right = ui::Widget(gtk_arrow_new( GTK_ARROW_RIGHT, GTK_SHADOW_OUT ));
+			m_btn_left.add(m_arrow_left);
+			m_btn_right.add(m_arrow_right);
 
 			// workaround. the size of the tag frame depends of the requested size of the arrow buttons.
 			gtk_widget_set_size_request( m_arrow_left, -1, 68 );