diff --git a/src/gliumwindows.rs b/src/gliumwindows.rs
index 965cabacf..6ea85a955 100644
--- a/src/gliumwindows.rs
+++ b/src/gliumwindows.rs
@@ -43,7 +43,54 @@ struct Host {
     fonts: Rc<FontConfiguration>,
 }
 
-impl HostHelper for Host {}
+impl HostHelper for Host {
+    fn with_window<F: 'static + Fn(&mut TerminalWindow) -> Result<(), Error>>(&self, func: F) {
+        GuiEventLoop::with_window(&self.event_loop, self.display.gl_window().id(), func);
+    }
+
+    fn new_window(&mut self) {
+        let event_loop = Rc::clone(&self.event_loop);
+        let config = Rc::clone(&self.config);
+        let fonts = Rc::clone(&self.fonts);
+        self.event_loop.spawn_fn(move || {
+            let (terminal, master, child, fonts) = spawn_window_impl(None, &config, &fonts)?;
+            let window =
+                GliumTerminalWindow::new(&event_loop, terminal, master, child, &fonts, &config)?;
+
+            event_loop.add_window(window)
+        });
+    }
+    fn new_tab(&mut self) {
+        self.with_window(|win| win.spawn_tab().map(|_| ()));
+    }
+
+    fn toggle_full_screen(&mut self) {
+        if let Some(pos) = self.is_fullscreen.take() {
+            let window = self.display.gl_window();
+            // Use simple fullscreen mode on macos, as wez personally
+            // prefers the faster transition to/from this mode than
+            // the Lion+ slow transition to a new Space.  This could
+            // be made into a config option if someone really wanted
+            // that behavior.
+            #[cfg(target_os = "macos")]
+            window.set_simple_fullscreen(false);
+            #[cfg(not(target_os = "macos"))]
+            window.set_fullscreen(None);
+            window.set_position(pos);
+        } else {
+            // We use our own idea of the position because get_position()
+            // appears to only return the initial position of the window
+            // on Linux.
+            self.is_fullscreen = self.window_position.take();
+
+            let window = self.display.gl_window();
+            #[cfg(target_os = "macos")]
+            window.set_simple_fullscreen(true);
+            #[cfg(not(target_os = "macos"))]
+            window.set_fullscreen(Some(window.get_current_monitor()));
+        }
+    }
+}
 
 impl<'a> term::TerminalHost for TabHost<'a> {
     fn writer(&mut self) -> &mut Write {
@@ -65,103 +112,52 @@ impl<'a> term::TerminalHost for TabHost<'a> {
     }
 
     fn set_title(&mut self, _title: &str) {
-        // activate_tab_relative calls Terminal::update_title()
-        // in the appropriate context
-        self.activate_tab_relative(0);
+        self.host.with_window(move |win| {
+            win.update_title();
+            Ok(())
+        })
     }
 
     fn toggle_full_screen(&mut self) {
-        if let Some(pos) = self.host.is_fullscreen.take() {
-            let window = self.host.display.gl_window();
-            // Use simple fullscreen mode on macos, as wez personally
-            // prefers the faster transition to/from this mode than
-            // the Lion+ slow transition to a new Space.  This could
-            // be made into a config option if someone really wanted
-            // that behavior.
-            #[cfg(target_os = "macos")]
-            window.set_simple_fullscreen(false);
-            #[cfg(not(target_os = "macos"))]
-            window.set_fullscreen(None);
-            window.set_position(pos);
-        } else {
-            // We use our own idea of the position because get_position()
-            // appears to only return the initial position of the window
-            // on Linux.
-            self.host.is_fullscreen = self.host.window_position.take();
-
-            let window = self.host.display.gl_window();
-            #[cfg(target_os = "macos")]
-            window.set_simple_fullscreen(true);
-            #[cfg(not(target_os = "macos"))]
-            window.set_fullscreen(Some(window.get_current_monitor()));
-        }
-    }
-
-    fn new_window(&mut self) {
-        let event_loop = Rc::clone(&self.host.event_loop);
-        let config = Rc::clone(&self.host.config);
-        let fonts = Rc::clone(&self.host.fonts);
-        self.host.event_loop.spawn_fn(move || {
-            let (terminal, master, child, fonts) = spawn_window_impl(None, &config, &fonts)?;
-            let window =
-                GliumTerminalWindow::new(&event_loop, terminal, master, child, &fonts, &config)?;
-
-            event_loop.add_window(window)
-        });
+        self.host.toggle_full_screen();
     }
 
     fn new_tab(&mut self) {
-        GuiEventLoop::with_window(
-            &self.host.event_loop,
-            self.host.display.gl_window().id(),
-            |win| win.spawn_tab().map(|_| ()),
-        );
+        self.host.new_tab();
+    }
+    fn new_window(&mut self) {
+        self.host.new_window();
     }
 
     fn activate_tab(&mut self, tab: usize) {
-        GuiEventLoop::with_window(
-            &self.host.event_loop,
-            self.host.display.gl_window().id(),
-            move |win| win.activate_tab(tab),
-        );
+        self.host.with_window(move |win| win.activate_tab(tab));
     }
 
     fn activate_tab_relative(&mut self, tab: isize) {
-        GuiEventLoop::with_window(
-            &self.host.event_loop,
-            self.host.display.gl_window().id(),
-            move |win| win.activate_tab_relative(tab),
-        );
+        self.host
+            .with_window(move |win| win.activate_tab_relative(tab));
     }
-
     fn increase_font_size(&mut self) {
-        GuiEventLoop::with_window(
-            &self.host.event_loop,
-            self.host.display.gl_window().id(),
-            |win| {
-                let scale = win.fonts.get_font_scale();
-                win.scaling_changed(Some(scale * 1.1), None, win.width, win.height)
-            },
-        );
+        self.host.with_window(move |win| {
+            let scale = win.fonts().get_font_scale();
+            let dims = win.get_dimensions();
+            win.scaling_changed(Some(scale * 1.1), None, dims.width, dims.height)
+        })
     }
 
     fn decrease_font_size(&mut self) {
-        GuiEventLoop::with_window(
-            &self.host.event_loop,
-            self.host.display.gl_window().id(),
-            |win| {
-                let scale = win.fonts.get_font_scale();
-                win.scaling_changed(Some(scale * 0.9), None, win.width, win.height)
-            },
-        );
+        self.host.with_window(move |win| {
+            let scale = win.fonts().get_font_scale();
+            let dims = win.get_dimensions();
+            win.scaling_changed(Some(scale * 0.9), None, dims.width, dims.height)
+        })
     }
 
     fn reset_font_size(&mut self) {
-        GuiEventLoop::with_window(
-            &self.host.event_loop,
-            self.host.display.gl_window().id(),
-            |win| win.scaling_changed(Some(1.0), None, win.width, win.height),
-        );
+        self.host.with_window(move |win| {
+            let dims = win.get_dimensions();
+            win.scaling_changed(Some(1.0), None, dims.width, dims.height)
+        })
     }
 }
 
diff --git a/src/guicommon/host.rs b/src/guicommon/host.rs
index bdf1aef14..78ba2e1df 100644
--- a/src/guicommon/host.rs
+++ b/src/guicommon/host.rs
@@ -1,8 +1,13 @@
+use super::window::TerminalWindow;
 use clipboard::{ClipboardContext, ClipboardProvider};
 use failure::Error;
 use std::ops::{Deref, DerefMut};
 
 pub trait HostHelper {
+    fn with_window<F: 'static + Fn(&mut TerminalWindow) -> Result<(), Error>>(&self, func: F);
+    fn new_tab(&mut self);
+    fn new_window(&mut self);
+    fn toggle_full_screen(&mut self);
 }
 
 pub struct HostImpl<H: HostHelper> {
diff --git a/src/guiloop/glutinloop.rs b/src/guiloop/glutinloop.rs
index 3ee301bf3..c1d17f192 100644
--- a/src/guiloop/glutinloop.rs
+++ b/src/guiloop/glutinloop.rs
@@ -187,7 +187,7 @@ impl GuiEventLoop {
         })
     }
 
-    pub fn with_window<F: 'static + Fn(&mut GliumTerminalWindow) -> Result<(), Error>>(
+    pub fn with_window<F: 'static + Fn(&mut TerminalWindow) -> Result<(), Error>>(
         events: &Rc<Self>,
         window_id: WindowId,
         func: F,
diff --git a/src/guiloop/x11.rs b/src/guiloop/x11.rs
index c75f72fe2..03e8a71d4 100644
--- a/src/guiloop/x11.rs
+++ b/src/guiloop/x11.rs
@@ -200,7 +200,7 @@ impl GuiEventLoop {
 
     /// Run a function with access to the mutable version of the window with
     /// the specified window id
-    pub fn with_window<F: FnOnce(&mut X11TerminalWindow) -> Result<(), Error>>(
+    pub fn with_window<F: FnOnce(&mut TerminalWindow) -> Result<(), Error>>(
         &self,
         window_id: WindowId,
         func: F,
diff --git a/src/xwindows/xwin.rs b/src/xwindows/xwin.rs
index 9c96e4036..f0b7b24a2 100644
--- a/src/xwindows/xwin.rs
+++ b/src/xwindows/xwin.rs
@@ -35,27 +35,12 @@ struct Host {
     config: Rc<Config>,
 }
 
-impl HostHelper for Host {}
+impl HostHelper for Host {
+    fn with_window<F: 'static + Fn(&mut TerminalWindow) -> Result<(), Error>>(&self, func: F) {
+        let events = Rc::clone(&self.event_loop);
+        let window_id = self.window.window.window_id;
 
-pub struct X11TerminalWindow {
-    host: HostImpl<Host>,
-    conn: Rc<Connection>,
-    fonts: Rc<FontConfiguration>,
-    renderer: Renderer,
-    width: u16,
-    height: u16,
-    cell_height: usize,
-    cell_width: usize,
-    tabs: Tabs,
-}
-
-impl<'a> TabHost<'a> {
-    fn with_window<F: 'static + Fn(&mut X11TerminalWindow) -> Result<(), Error>>(&self, func: F) {
-        let events = Rc::clone(&self.host.event_loop);
-        let window_id = self.host.window.window.window_id;
-
-        self.host
-            .event_loop
+        self.event_loop
             .core
             .spawn(futures::future::poll_fn(move || {
                 events
@@ -64,6 +49,48 @@ impl<'a> TabHost<'a> {
                     .map_err(|_| ())
             }));
     }
+    fn new_window(&mut self) {
+        let event_loop = Rc::clone(&self.event_loop);
+        let events = Rc::clone(&self.event_loop);
+        let config = Rc::clone(&self.config);
+        let fonts = Rc::clone(&self.fonts);
+
+        self.event_loop
+            .core
+            .spawn(futures::future::poll_fn(move || {
+                events
+                    .spawn_window(&event_loop, &config, &fonts)
+                    .map(futures::Async::Ready)
+                    .map_err(|_| ())
+            }));
+    }
+
+    fn new_tab(&mut self) {
+        let events = Rc::clone(&self.event_loop);
+        let window_id = self.window.window.window_id;
+
+        self.event_loop
+            .core
+            .spawn(futures::future::poll_fn(move || {
+                events
+                    .spawn_tab(window_id)
+                    .map(futures::Async::Ready)
+                    .map_err(|_| ())
+            }));
+    }
+
+    fn toggle_full_screen(&mut self) {}
+}
+
+pub struct X11TerminalWindow {
+    host: HostImpl<Host>,
+    conn: Rc<Connection>,
+    renderer: Renderer,
+    width: u16,
+    height: u16,
+    cell_height: usize,
+    cell_width: usize,
+    tabs: Tabs,
 }
 
 impl<'a> term::TerminalHost for TabHost<'a> {
@@ -87,68 +114,49 @@ impl<'a> term::TerminalHost for TabHost<'a> {
     }
 
     fn set_title(&mut self, _title: &str) {
-        self.with_window(move |win| {
+        self.host.with_window(move |win| {
             win.update_title();
             Ok(())
         })
     }
 
     fn new_window(&mut self) {
-        let event_loop = Rc::clone(&self.host.event_loop);
-        let events = Rc::clone(&self.host.event_loop);
-        let config = Rc::clone(&self.host.config);
-        let fonts = Rc::clone(&self.host.fonts);
-
-        self.host
-            .event_loop
-            .core
-            .spawn(futures::future::poll_fn(move || {
-                events
-                    .spawn_window(&event_loop, &config, &fonts)
-                    .map(futures::Async::Ready)
-                    .map_err(|_| ())
-            }));
+        self.host.new_window();
     }
-
     fn new_tab(&mut self) {
-        let events = Rc::clone(&self.host.event_loop);
-        let window_id = self.host.window.window.window_id;
-
-        self.host
-            .event_loop
-            .core
-            .spawn(futures::future::poll_fn(move || {
-                events
-                    .spawn_tab(window_id)
-                    .map(futures::Async::Ready)
-                    .map_err(|_| ())
-            }));
+        self.host.new_tab();
     }
 
     fn activate_tab(&mut self, tab: usize) {
-        self.with_window(move |win| win.activate_tab(tab))
+        self.host.with_window(move |win| win.activate_tab(tab))
     }
 
     fn activate_tab_relative(&mut self, tab: isize) {
-        self.with_window(move |win| win.activate_tab_relative(tab))
+        self.host
+            .with_window(move |win| win.activate_tab_relative(tab))
     }
 
     fn increase_font_size(&mut self) {
-        self.with_window(move |win| {
-            let scale = win.fonts.get_font_scale();
-            win.scaling_changed(Some(scale * 1.1), None, win.width, win.height)
+        self.host.with_window(move |win| {
+            let scale = win.fonts().get_font_scale();
+            let dims = win.get_dimensions();
+            win.scaling_changed(Some(scale * 1.1), None, dims.width, dims.height)
         })
     }
 
     fn decrease_font_size(&mut self) {
-        self.with_window(move |win| {
-            let scale = win.fonts.get_font_scale();
-            win.scaling_changed(Some(scale * 0.9), None, win.width, win.height)
+        self.host.with_window(move |win| {
+            let scale = win.fonts().get_font_scale();
+            let dims = win.get_dimensions();
+            win.scaling_changed(Some(scale * 0.9), None, dims.width, dims.height)
         })
     }
 
     fn reset_font_size(&mut self) {
-        self.with_window(move |win| win.scaling_changed(Some(1.0), None, win.width, win.height))
+        self.host.with_window(move |win| {
+            let dims = win.get_dimensions();
+            win.scaling_changed(Some(1.0), None, dims.width, dims.height)
+        })
     }
 }
 
@@ -276,7 +284,6 @@ impl X11TerminalWindow {
             host,
             renderer,
             conn: Rc::clone(&event_loop.conn),
-            fonts: Rc::clone(&fonts),
             width,
             height,
             cell_height,