diff --git a/contrib/gtkgensurf/view.cpp b/contrib/gtkgensurf/view.cpp
index e1e94e17..c513db9b 100644
--- a/contrib/gtkgensurf/view.cpp
+++ b/contrib/gtkgensurf/view.cpp
@@ -101,7 +101,9 @@ void ShowPreview(){
 }
 
 static void draw_preview(){
-	int width = g_pPreviewWidget->allocation.width, height = g_pPreviewWidget->allocation.height;
+	GtkAllocation allocation;
+	gtk_widget_get_allocation( g_pPreviewWidget, &allocation );
+	int width = allocation.width, height = allocation.height;
 
 	g_GLTable.m_pfn_qglClearColor( 0, 0, 0, 1 );
 	g_GLTable.m_pfn_qglViewport( 0, 0, width, height );
@@ -181,7 +183,9 @@ static gint expose( GtkWidget *widget, GdkEventExpose *event, gpointer data ){
 }
 
 static void button_press( GtkWidget *widget, GdkEventButton *event, gpointer data ){
-	Point pt = { (long)event->x, widget->allocation.height - (long)event->y };
+	GtkAllocation allocation;
+	gtk_widget_get_allocation( widget, &allocation );
+	Point pt = { (long)event->x, allocation.height - (long)event->y };
 	bool Selected;
 	double x,y;
 	int i, j, k, ks;
@@ -290,7 +294,9 @@ static void button_press( GtkWidget *widget, GdkEventButton *event, gpointer dat
 }
 
 static void motion( GtkWidget *widget, GdkEventMotion *event, gpointer data ){
-	Point pt = { (long)event->x, widget->allocation.height - (long)event->y };
+	GtkAllocation allocation;
+	gtk_widget_get_allocation( widget, &allocation );
+	Point pt = { (long)event->x, allocation.height - (long)event->y };
 
 	if ( !VertexMode ) {
 		return;
diff --git a/libs/gtkutil/cursor.h b/libs/gtkutil/cursor.h
index 1c70a1d7..5ba9d994 100644
--- a/libs/gtkutil/cursor.h
+++ b/libs/gtkutil/cursor.h
@@ -193,8 +193,10 @@ void freeze_pointer( GtkWindow* window, GtkWidget* widget, MotionDeltaFunction f
 
 	/* using center for tracking for max safety */
 	gdk_window_get_origin( gtk_widget_get_window( widget ), &center_x, &center_y );
-	center_y += widget->allocation.height / 2;
-	center_x += widget->allocation.width / 2;
+	GtkAllocation allocation;
+	gtk_widget_get_allocation( widget, &allocation );
+	center_y += allocation.height / 2;
+	center_x += allocation.width / 2;
 
 	Sys_SetCursorPos( window, center_x, center_y );
 
diff --git a/plugins/textool/TexTool.cpp b/plugins/textool/TexTool.cpp
index 0aaabe50..c9e60ce8 100644
--- a/plugins/textool/TexTool.cpp
+++ b/plugins/textool/TexTool.cpp
@@ -588,8 +588,10 @@ static gint expose( GtkWidget *widget, GdkEventExpose *event, gpointer data ){
 	}
 
 	if ( g_bTexViewReady ) {
-		g_2DView.m_rect.bottom = widget->allocation.height;
-		g_2DView.m_rect.right = widget->allocation.width;
+		GtkAllocation allocation;
+		gtk_widget_get_allocation( widget, &allocation );
+		g_2DView.m_rect.bottom = allocation.height;
+		g_2DView.m_rect.right = allocation.width;
 
 		if ( !g_QglTable.m_pfn_glwidget_make_current( g_pToolWidget ) ) {
 			Sys_Printf( "TexTool: glMakeCurrent failed\n" );
diff --git a/radiant/camwindow.cpp b/radiant/camwindow.cpp
index 811836ac..a76ef38d 100644
--- a/radiant/camwindow.cpp
+++ b/radiant/camwindow.cpp
@@ -1216,7 +1216,9 @@ gboolean disable_freelook_button_release( GtkWidget* widget, GdkEventButton* eve
 #if 0
 gboolean mousecontrol_button_press( GtkWidget* widget, GdkEventButton* event, CamWnd* camwnd ){
 	if ( event->type == GDK_BUTTON_PRESS && event->button == 3 ) {
-		Cam_MouseControl( camwnd->getCamera(), event->x, widget->allocation.height - 1 - event->y );
+		GtkAllocation allocation;
+		gtk_widget_get_allocation( widget, &allocation );
+		Cam_MouseControl( camwnd->getCamera(), event->x, allocation.height - 1 - event->y );
 	}
 	return FALSE;
 }
@@ -1266,7 +1268,9 @@ void selection_motion( gdouble x, gdouble y, guint state, void* data ){
 }
 
 inline WindowVector windowvector_for_widget_centre( GtkWidget* widget ){
-	return WindowVector( static_cast<float>( widget->allocation.width / 2 ), static_cast<float>( widget->allocation.height / 2 ) );
+	GtkAllocation allocation;
+	gtk_widget_get_allocation( widget, &allocation );
+	return WindowVector( static_cast<float>( allocation.width / 2 ), static_cast<float>( allocation.height / 2 ) );
 }
 
 gboolean selection_button_press_freemove( GtkWidget* widget, GdkEventButton* event, WindowObserver* observer ){