compositor: make functions static

I know it's hard to figure out what the shells or backends will be
using as internal API at this point but we can try to minimize the
amount of WL_EXPORT being used anyway.

[pq: redone due to my earlier changes]

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>

src/compositor.c

@@ -450,7 +450,7 @@ weston_surface_from_global(struct weston_surface *surface,
 	*sy = floorf(syf);
 }
 
-WL_EXPORT void
+static void
 weston_surface_damage_rectangle(struct weston_surface *surface,
 				int32_t sx, int32_t sy,
 				int32_t width, int32_t height)
@@ -484,7 +484,7 @@ weston_surface_damage(struct weston_surface *surface)
 	weston_compositor_schedule_repaint(surface->compositor);
 }
 
-WL_EXPORT void
+static void
 weston_surface_damage_below(struct weston_surface *surface)
 {
 	weston_surface_update_transform(surface);
@@ -528,7 +528,25 @@ weston_compositor_get_time(void)
 	return tv.tv_sec * 1000 + tv.tv_usec / 1000;
 }
 
-WL_EXPORT void
+static struct weston_surface *
+weston_compositor_pick_surface(struct weston_compositor *compositor,
+			       int32_t x, int32_t y, int32_t *sx, int32_t *sy)
+{
+	struct weston_surface *surface;
+
+	wl_list_for_each(surface, &compositor->surface_list, link) {
+		if (surface->surface.resource.client == NULL)
+			continue;
+		weston_surface_from_global(surface, x, y, sx, sy);
+		if (0 <= *sx && *sx < surface->geometry.width &&
+		    0 <= *sy && *sy < surface->geometry.height)
+			return surface;
+	}
+
+	return NULL;
+}
+
+static void
 weston_device_repick(struct wl_input_device *device, uint32_t time)
 {
 	struct weston_input_device *wd = (struct weston_input_device *) device;
@@ -1246,24 +1264,6 @@ const static struct wl_compositor_interface compositor_interface = {
 	compositor_create_surface,
 };
 
-WL_EXPORT struct weston_surface *
-weston_compositor_pick_surface(struct weston_compositor *compositor,
-			       int32_t x, int32_t y, int32_t *sx, int32_t *sy)
-{
-	struct weston_surface *surface;
-
-	wl_list_for_each(surface, &compositor->surface_list, link) {
-		if (surface->surface.resource.client == NULL)
-			continue;
-		weston_surface_from_global(surface, x, y, sx, sy);
-		if (0 <= *sx && *sx < surface->geometry.width &&
-		    0 <= *sy && *sy < surface->geometry.height)
-			return surface;
-	}
-
-	return NULL;
-}
-
 WL_EXPORT void
 weston_compositor_wake(struct weston_compositor *compositor)
 {

src/compositor.h

@@ -310,9 +310,6 @@ void
 weston_surface_from_global(struct weston_surface *surface,
 			   int32_t x, int32_t y, int32_t *sx, int32_t *sy);
 
-void
-weston_device_repick(struct wl_input_device *device, uint32_t time);
-
 void
 weston_spring_init(struct weston_spring *spring,
 		   double k, double current, double target);
@@ -356,9 +353,6 @@ void
 weston_output_finish_frame(struct weston_output *output, int msecs);
 void
 weston_output_damage(struct weston_output *output);
-struct weston_surface *
-weston_compositor_pick_surface(struct weston_compositor *compositor,
-			       int32_t x, int32_t y, int32_t *sx, int32_t *sy);
 void
 weston_compositor_repick(struct weston_compositor *compositor);
 void
@@ -410,14 +404,6 @@ weston_surface_assign_output(struct weston_surface *surface);
 void
 weston_surface_damage(struct weston_surface *surface);
 
-void
-weston_surface_damage_below(struct weston_surface *surface);
-
-void
-weston_surface_damage_rectangle(struct weston_surface *surface,
-				int32_t x, int32_t y,
-				int32_t width, int32_t height);
-
 void
 weston_buffer_post_release(struct wl_buffer *buffer);