sdl: Fix cursor handling when switching consoles in absolute mouse mode

Restore the cursor when switching from graphic to text console while the
mouse is in absolute mode. Disable it again when returning.
Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

ui/sdl.c

@@ -452,7 +452,7 @@ static void sdl_show_cursor(void)
     if (!cursor_hide)
         return;
 
-    if (!kbd_mouse_is_absolute()) {
+    if (!kbd_mouse_is_absolute() || !is_graphic_console()) {
         SDL_ShowCursor(1);
         if (guest_cursor &&
                 (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
@@ -625,13 +625,20 @@ static void sdl_refresh(DisplayState *ds)
                         /* Reset the modifiers sent to the current console */
                         reset_keys();
                         console_select(keycode - 0x02);
+                        gui_keysym = 1;
+                        if (gui_fullscreen) {
+                            break;
+                        }
                         if (!is_graphic_console()) {
                             /* release grab if going to a text console */
-                            if (gui_grab && !gui_fullscreen) {
+                            if (gui_grab) {
                                 sdl_grab_end();
+                            } else if (absolute_enabled) {
+                                sdl_show_cursor();
                             }
+                        } else if (absolute_enabled) {
+                            sdl_hide_cursor();
                         }
-                        gui_keysym = 1;
                         break;
                     default:
                         break;