TODO; scroll thumbnails:

1 files changed, 23 insertions, 1 deletions

diff --git a/main.c b/main.c
index 80aa2c4..0e93334 100644
--- a/main.c
+++ b/main.c
@@ -97,6 +97,27 @@ on_main_viewport_size_changed (FooScrollArea *scroll_area,
 }
 
 static void
+make_thumbnail_viewable (App *app)
+{
+    FooScrollArea *area = FOO_SCROLL_AREA (app->thumbnails);
+    GdkRectangle viewport;
+    int top, height;
+    const int margin = 10;
+
+    foo_scroll_area_get_viewport (area, &viewport);
+
+    top = deck_get_slide_location (app->deck, &viewport, app->nth_slide);
+    height = deck_get_slide_height (app->deck, &viewport);
+
+    if (top - margin < viewport.y)
+	viewport.y = top - margin;
+    else if (top + height + margin > viewport.y + viewport.height)
+	viewport.y = top + height - viewport.height - margin;
+
+    foo_scroll_area_set_viewport_pos (area, viewport.x, viewport.y);
+}
+
+static void
 on_viewport_changed (FooScrollArea *scroll_area, 
                      GdkRectangle  *viewport,
                      GdkRectangle  *old_viewport,
@@ -107,7 +128,8 @@ on_viewport_changed (FooScrollArea *scroll_area,
 	App *app = data;
 	
 	app->nth_slide = deck_get_view_slide (app->deck, viewport);
-	g_print ("nth: %d\n", app->nth_slide);
+
+	make_thumbnail_viewable (app);
     }
 }