From: Hosang Kim <hosang12.kim@samsung.com>
Date: Wed, 19 Jun 2013 06:10:06 +0000 (+0900)
Subject: Better logic for elm_scroller_current_page_get() while scrolling/dragging.
X-Git-Tag: accepted/tizen/20130927.071315^2~148
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=14eb48ee43310d6487a3539eac0705880943aa7d;p=profile%2Fmobile%2Felementary.git

Better logic for elm_scroller_current_page_get() while scrolling/dragging.

We still report the topmost/leftmost page, but DURING animations we
return which of the competing pages on the top, left edge get the
majority of their regions in the viewport.
---

diff --git a/src/lib/elm_interface_scrollable.c b/src/lib/elm_interface_scrollable.c
index ed6eb32..aea6abf 100644
--- a/src/lib/elm_interface_scrollable.c
+++ b/src/lib/elm_interface_scrollable.c
@@ -3969,14 +3969,28 @@ _elm_scroll_current_page_get(const Evas_Object *obj,
    if (pagenumber_h)
      {
         if (sid->pagesize_h > 0)
-          *pagenumber_h = (x + sid->pagesize_h - 1) / sid->pagesize_h;
+          {
+             double result = (double)x / (double)sid->pagesize_h;
+             double rest = result - (x / sid->pagesize_h);
+             if (rest >= 0.5)
+               *pagenumber_h = result + 1;
+             else
+               *pagenumber_h = result;
+          }
         else
           *pagenumber_h = 0;
      }
    if (pagenumber_v)
      {
         if (sid->pagesize_v > 0)
-          *pagenumber_v = (y + sid->pagesize_v - 1) / sid->pagesize_v;
+          {
+             double result = (double)y / (double)sid->pagesize_v;
+             double rest = result - (y / sid->pagesize_v);
+             if (rest >= 0.5)
+               *pagenumber_v = result + 1;
+             else
+               *pagenumber_v = result;
+          }
         else
           *pagenumber_v = 0;
      }