diff --git a/clients/cairo-util.c b/clients/cairo-util.c
index df5c7dffa..0f9016e70 100644
--- a/clients/cairo-util.c
+++ b/clients/cairo-util.c
@@ -314,3 +314,55 @@ load_cairo_surface(const char *filename)
 	return cairo_image_surface_create_for_data(data, CAIRO_FORMAT_ARGB32,
 						   width, height, stride);
 }
+
+void
+display_render_theme(struct theme *t)
+{
+	cairo_t *cr;
+	cairo_pattern_t *pattern;
+
+	t->margin = 32;
+	t->width = 6;
+	t->titlebar_height = 27;
+	t->frame_radius = 3;
+	t->shadow = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 128, 128);
+	cr = cairo_create(t->shadow);
+	cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
+	cairo_set_source_rgba(cr, 0, 0, 0, 1);
+	rounded_rect(cr, 32, 32, 96, 96, t->frame_radius);
+	cairo_fill(cr);
+	cairo_destroy(cr);
+	blur_surface(t->shadow, 64);
+
+	t->active_frame =
+		cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 128, 128);
+	cr = cairo_create(t->active_frame);
+	cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
+
+	pattern = cairo_pattern_create_linear(16, 16, 16, 112);
+	cairo_pattern_add_color_stop_rgb(pattern, 0.0, 1.0, 1.0, 1.0);
+	cairo_pattern_add_color_stop_rgb(pattern, 0.2, 0.8, 0.8, 0.8);
+	cairo_set_source(cr, pattern);
+	cairo_pattern_destroy(pattern);
+
+	rounded_rect(cr, 0, 0, 128, 128, t->frame_radius);
+	cairo_fill(cr);
+	cairo_destroy(cr);
+
+	t->inactive_frame =
+		cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 128, 128);
+	cr = cairo_create(t->inactive_frame);
+	cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
+	cairo_set_source_rgba(cr, 0.75, 0.75, 0.75, 1);
+	rounded_rect(cr, 0, 0, 128, 128, t->frame_radius);
+	cairo_fill(cr);
+	cairo_destroy(cr);
+}
+
+void
+fini_theme(struct theme *t)
+{
+	cairo_surface_destroy(t->active_frame);
+	cairo_surface_destroy(t->inactive_frame);
+	cairo_surface_destroy(t->shadow);
+}
diff --git a/clients/cairo-util.h b/clients/cairo-util.h
index a973e3c8c..70800a43f 100644
--- a/clients/cairo-util.h
+++ b/clients/cairo-util.h
@@ -43,4 +43,19 @@ rounded_rect(cairo_t *cr, int x0, int y0, int x1, int y1, int radius);
 cairo_surface_t *
 load_cairo_surface(const char *filename);
 
+struct theme {
+	cairo_surface_t *active_frame;
+	cairo_surface_t *inactive_frame;
+	cairo_surface_t *shadow;
+	int frame_radius;
+	int margin;
+	int width;
+	int titlebar_height;
+};
+
+void
+display_render_theme(struct theme *t);
+void
+fini_theme(struct theme *t);
+
 #endif
diff --git a/clients/window.c b/clients/window.c
index 6a4cc9339..dfc19e797 100644
--- a/clients/window.c
+++ b/clients/window.c
@@ -66,16 +66,6 @@
 struct cursor;
 struct shm_pool;
 
-struct theme {
-	cairo_surface_t *active_frame;
-	cairo_surface_t *inactive_frame;
-	cairo_surface_t *shadow;
-	int frame_radius;
-	int margin;
-	int width;
-	int titlebar_height;
-};
-
 struct display {
 	struct wl_display *display;
 	struct wl_compositor *compositor;
@@ -3130,58 +3120,6 @@ display_handle_global(struct wl_display *display, uint32_t id,
 	}
 }
 
-static void
-display_render_theme(struct theme *t)
-{
-	cairo_t *cr;
-	cairo_pattern_t *pattern;
-
-	t->margin = 32;
-	t->width = 6;
-	t->titlebar_height = 27;
-	t->frame_radius = 3;
-	t->shadow = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 128, 128);
-	cr = cairo_create(t->shadow);
-	cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
-	cairo_set_source_rgba(cr, 0, 0, 0, 1);
-	rounded_rect(cr, 32, 32, 96, 96, t->frame_radius);
-	cairo_fill(cr);
-	cairo_destroy(cr);
-	blur_surface(t->shadow, 64);
-
-	t->active_frame =
-		cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 128, 128);
-	cr = cairo_create(t->active_frame);
-	cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
-
-	pattern = cairo_pattern_create_linear(16, 16, 16, 112);
-	cairo_pattern_add_color_stop_rgb(pattern, 0.0, 1.0, 1.0, 1.0);
-	cairo_pattern_add_color_stop_rgb(pattern, 0.2, 0.8, 0.8, 0.8);
-	cairo_set_source(cr, pattern);
-	cairo_pattern_destroy(pattern);
-
-	rounded_rect(cr, 0, 0, 128, 128, t->frame_radius);
-	cairo_fill(cr);
-	cairo_destroy(cr);
-
-	t->inactive_frame =
-		cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 128, 128);
-	cr = cairo_create(t->inactive_frame);
-	cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
-	cairo_set_source_rgba(cr, 0.75, 0.75, 0.75, 1);
-	rounded_rect(cr, 0, 0, 128, 128, t->frame_radius);
-	cairo_fill(cr);
-	cairo_destroy(cr);
-}
-
-static void
-fini_theme(struct theme *t)
-{
-	cairo_surface_destroy(t->active_frame);
-	cairo_surface_destroy(t->inactive_frame);
-	cairo_surface_destroy(t->shadow);
-}
-
 static void
 init_xkb(struct display *d)
 {