edje: don't return negative width and height from _parts_extends

Summary:
It should return width and height with positive values or zero.
@fix

Test Plan: make check

Reviewers: raster, jpeg, cedric

Reviewed By: raster

Subscribers: jiin.moon

Differential Revision: https://phab.enlightenment.org/D5422

2 files changed, 11 insertions, 2 deletions

diff --git a/src/lib/edje/edje_util.c b/src/lib/edje/edje_util.c
index 8db4ffd9a3..1b772d4be7 100644
--- a/src/lib/edje/edje_util.c
+++ b/src/lib/edje/edje_util.c
@@ -3274,7 +3274,7 @@ EOLIAN Eina_Rectangle
 _edje_object_efl_canvas_layout_calc_calc_parts_extends(Eo *obj EINA_UNUSED, Edje *ed)
 {
    Evas_Coord xx1 = INT_MAX, yy1 = INT_MAX;
-   Evas_Coord xx2 = 0, yy2 = 0;
+   Evas_Coord xx2 = 0, yy2 = 0, w = 0, h = 0;
    unsigned short i;
 
    ed->calc_only = EINA_TRUE;
@@ -3304,7 +3304,10 @@ _edje_object_efl_canvas_layout_calc_calc_parts_extends(Eo *obj EINA_UNUSED, Edje
 
    ed->calc_only = EINA_FALSE;
 
-   return (Eina_Rectangle) { xx1, yy1, xx2 - xx1, yy2 - yy1 };
+   if ((xx2 - xx1) > 0) w = xx2 - xx1;
+   if ((yy2 - yy1) > 0) h = yy2 - yy1;
+
+   return (Eina_Rectangle) { xx1, yy1, w, h };
 }
 
 EOLIAN Eina_Size2D
diff --git a/src/tests/edje/edje_test_edje.c b/src/tests/edje/edje_test_edje.c
index c47dccb693..3ea0a34acf 100644
--- a/src/tests/edje/edje_test_edje.c
+++ b/src/tests/edje/edje_test_edje.c
@@ -151,8 +151,14 @@ START_TEST(edje_test_calculate_parens)
    int x, y, w, h;
    Evas *evas = EDJE_TEST_INIT_EVAS();
    Evas_Object *obj;
+   Eina_Rect rect;
 
    obj = edje_object_add(evas);
+
+   /* A negative test case for efl_canvas_layout_calc_parts_extends */
+   rect = efl_canvas_layout_calc_parts_extends(obj);
+   fail_if(rect.w < 0 || rect.h < 0);
+
    fail_unless(edje_object_file_set(obj, test_layout_get("test_parens.edj"), "test_group"));
 
    evas_object_resize(obj, 100, 100);