[pinpoint] blank screen when B is pressed

[Ãyvind KolÃs <ok src gnome org>]

commit 92e553a47504a44b04fc28267877494116cdb296
Author: Ãyvind KolÃs <pippin gimp org>
Date:   Sat Nov 19 23:07:46 2011 +0000

    blank screen when B is pressed
    
    Suggested by Arnaus Installe

 introduction.pin |    3 +++
 pp-clutter.c     |   13 ++++++++++++-
 2 files changed, 15 insertions(+), 1 deletions(-)
---
diff --git a/introduction.pin b/introduction.pin
index bdf04b5..fb53f95 100644
--- a/introduction.pin
+++ b/introduction.pin
@@ -129,6 +129,9 @@ right, down or space - next slide
 -- [transition=slide-left] [duration=4.702688]
 left or up - previous slide
 
+-- [transition=sheet] [duration=3.435221]
+B - blanking of screen
+
 -- [transition=slide-up] [duration=3.435221]
 F11 - toggle fullscreen!
 
diff --git a/pp-clutter.c b/pp-clutter.c
index e3b2cba..1136033 100644
--- a/pp-clutter.c
+++ b/pp-clutter.c
@@ -96,6 +96,7 @@ typedef struct _ClutterRenderer
   ClutterActor    *foreground;
 
   ClutterActor    *json_layer;
+  ClutterActor    *curtain;
 
   ClutterActor    *commandline;
   ClutterActor    *commandline_shading;
@@ -789,6 +790,7 @@ clutter_renderer_init (PinPointRenderer   *pp_renderer,
 
   renderer->stage = stage = clutter_stage_new ();
   renderer->root = clutter_group_new ();
+  renderer->curtain = clutter_rectangle_new_with_color (&black);
   renderer->rest_y = STARTPOS;
   renderer->background = clutter_group_new ();
   renderer->midground = clutter_group_new ();
@@ -798,15 +800,17 @@ clutter_renderer_init (PinPointRenderer   *pp_renderer,
   renderer->commandline_shading = clutter_rectangle_new_with_color (&black);
   renderer->commandline = clutter_text_new ();
 
+  clutter_actor_set_size (renderer->curtain, 10000, 10000);
+  clutter_actor_hide (renderer->curtain);
   clutter_actor_set_opacity (renderer->shading, 0x77);
   clutter_actor_set_opacity (renderer->commandline_shading, 0x77);
 
   clutter_container_add_actor (CLUTTER_CONTAINER (renderer->midground),
                                renderer->shading);
 
-
   clutter_container_add (CLUTTER_CONTAINER (renderer->stage),
                          renderer->root,
+                         renderer->curtain,
                          NULL);
   clutter_container_add (CLUTTER_CONTAINER (renderer->root),
                          renderer->background,
@@ -1372,6 +1376,13 @@ key_pressed (ClutterActor    *actor,
       case CLUTTER_Tab:
         activate_commandline (renderer);
         break;
+      case CLUTTER_b:
+      case CLUTTER_B:
+        if (CLUTTER_ACTOR_IS_VISIBLE (renderer->curtain))
+          clutter_actor_hide (renderer->curtain);
+        else
+          clutter_actor_show (renderer->curtain);
+        break;
     }
   return TRUE;
 }