sdl2: move sdl2_2d_refresh to sdl2-2d.c

Now that common event handling code is split off, we can move
over sdl_refresh to sdl2-2d.c, and rename it to sdl2_2d_refresh.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>

include/ui/sdl2.h

@@ -26,6 +26,7 @@ void sdl2_2d_update(DisplayChangeListener *dcl,
                     int x, int y, int w, int h);
 void sdl2_2d_switch(DisplayChangeListener *dcl,
                     DisplaySurface *new_surface);
+void sdl2_2d_refresh(DisplayChangeListener *dcl);
 void sdl2_2d_redraw(struct sdl2_console *scon);
 
 #endif /* SDL2_H */

ui/sdl2-2d.c

@@ -103,6 +103,14 @@ void sdl2_2d_switch(DisplayChangeListener *dcl,
     sdl2_2d_redraw(scon);
 }
 
+void sdl2_2d_refresh(DisplayChangeListener *dcl)
+{
+    struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
+
+    graphic_hw_update(dcl->con);
+    sdl2_poll_events(scon);
+}
+
 void sdl2_2d_redraw(struct sdl2_console *scon)
 {
     if (!scon->surface) {

ui/sdl2.c

@@ -594,14 +594,6 @@ void sdl2_poll_events(struct sdl2_console *scon)
     }
 }
 
-static void sdl_refresh(DisplayChangeListener *dcl)
-{
-    struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
-
-    graphic_hw_update(dcl->con);
-    sdl2_poll_events(scon);
-}
-
 static void sdl_mouse_warp(DisplayChangeListener *dcl,
                            int x, int y, int on)
 {
@@ -667,7 +659,7 @@ static const DisplayChangeListenerOps dcl_2d_ops = {
     .dpy_name          = "sdl2-2d",
     .dpy_gfx_update    = sdl2_2d_update,
     .dpy_gfx_switch    = sdl2_2d_switch,
-    .dpy_refresh       = sdl_refresh,
+    .dpy_refresh       = sdl2_2d_refresh,
     .dpy_mouse_set     = sdl_mouse_warp,
     .dpy_cursor_define = sdl_mouse_define,
 };