elementary tooltip: adjust arrow if tooltip was moved

Summary:
If orientation is TOP, BOTTOM, LEFT and RIGHT and
tooltip was moved due to located out of screen,
adjust location of arrow so that can indicate right position.

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

Test Plan: elementary_test -to tooltip4

Reviewers: cedric, Hermet, jpeg

Subscribers: jpeg

Differential Revision: https://phab.enlightenment.org/D4554

3 files changed, 109 insertions, 4 deletions

diff --git a/src/bin/elementary/test.c b/src/bin/elementary/test.c
index 479474a965..e3d9dc6413 100644
--- a/src/bin/elementary/test.c
+++ b/src/bin/elementary/test.c
@@ -219,6 +219,7 @@ void test_anim(void *data, Evas_Object *obj, void *event_info);
 void test_tooltip(void *data, Evas_Object *obj, void *event_info);
 void test_tooltip2(void *data, Evas_Object *obj, void *event_info);
 void test_tooltip3(void *data, Evas_Object *obj, void *event_info);
+void test_tooltip4(void *data, Evas_Object *obj, void *event_info);
 void test_cursor(void *data, Evas_Object *obj, void *event_info);
 void test_cursor2(void *data, Evas_Object *obj, void *event_info);
 void test_cursor3(void *data, Evas_Object *obj, void *event_info);
@@ -932,6 +933,7 @@ add_tests:
    ADD_TEST(NULL, "Popups", "Tooltip", test_tooltip);
    ADD_TEST(NULL, "Popups", "Tooltip 2", test_tooltip2);
    ADD_TEST(NULL, "Popups", "Tooltip 3", test_tooltip3);
+   ADD_TEST(NULL, "Popups", "Tooltip 4", test_tooltip4);
    ADD_TEST(NULL, "Popups", "Popup", test_popup);
 
    //------------------------------//
diff --git a/src/bin/elementary/test_tooltip.c b/src/bin/elementary/test_tooltip.c
index 23290671e8..e105b1ef65 100644
--- a/src/bin/elementary/test_tooltip.c
+++ b/src/bin/elementary/test_tooltip.c
@@ -743,3 +743,60 @@ test_tooltip3(void *data       EINA_UNUSED,
    evas_object_resize(win, 300, 300);
    evas_object_show(win);
 }
+
+void
+test_tooltip4(void *data       EINA_UNUSED,
+              Evas_Object *obj EINA_UNUSED,
+              void *event_info EINA_UNUSED)
+{
+   Evas_Object *win, *bt;
+
+   win = elm_win_util_standard_add("tooltip4", "Tooltip 4");
+   elm_win_autodel_set(win, EINA_TRUE);
+   evas_object_resize(win, 300, 300);
+   evas_object_show(win);
+
+   bt = elm_button_add(win);
+   elm_object_tooltip_text_set(bt, "Tooltip!!!!!!!!!!!!!!!!!!");
+   elm_object_tooltip_orient_set(bt, ELM_TOOLTIP_ORIENT_BOTTOM);
+   evas_object_resize(bt, 30, 30);
+   evas_object_move(bt, 5, 5);
+   evas_object_show(bt);
+
+   bt = elm_button_add(win);
+   elm_object_tooltip_text_set(bt, "Tooltip!!!!!!!!!!!!!!!!!!");
+   elm_object_tooltip_orient_set(bt, ELM_TOOLTIP_ORIENT_BOTTOM);
+   evas_object_resize(bt, 30, 30);
+   evas_object_move(bt, 250, 5);
+   evas_object_show(bt);
+
+   bt = elm_button_add(win);
+   elm_object_tooltip_text_set(bt, "Tooltip!!!!!!!!!!!!!!!!!!");
+   elm_object_tooltip_orient_set(bt, ELM_TOOLTIP_ORIENT_TOP);
+   evas_object_resize(bt, 30, 30);
+   evas_object_move(bt, 25, 265);
+   evas_object_show(bt);
+
+   bt = elm_button_add(win);
+   elm_object_tooltip_text_set(bt, "Tooltip!!!!!!!!!!!!!!!!!!");
+   elm_object_tooltip_orient_set(bt, ELM_TOOLTIP_ORIENT_TOP);
+   evas_object_resize(bt, 30, 30);
+   evas_object_move(bt, 235, 265);
+   evas_object_show(bt);
+
+   bt = elm_button_add(win);
+   elm_object_tooltip_content_cb_set(bt, _tt_icon, (void *)123L,
+                                     _tt_icon_del);
+   elm_object_tooltip_orient_set(bt, ELM_TOOLTIP_ORIENT_RIGHT);
+   evas_object_resize(bt, 30, 30);
+   evas_object_move(bt, 135, 5);
+   evas_object_show(bt);
+
+   bt = elm_button_add(win);
+   elm_object_tooltip_content_cb_set(bt, _tt_icon, (void *)123L,
+                                     _tt_icon_del);
+   elm_object_tooltip_orient_set(bt, ELM_TOOLTIP_ORIENT_LEFT);
+   evas_object_resize(bt, 30, 30);
+   evas_object_move(bt, 135, 255);
+   evas_object_show(bt);
+}
diff --git a/src/lib/elementary/els_tooltip.c b/src/lib/elementary/els_tooltip.c
index 4357336359..89febf6647 100644
--- a/src/lib/elementary/els_tooltip.c
+++ b/src/lib/elementary/els_tooltip.c
@@ -284,6 +284,9 @@ _elm_tooltip_reconfigure_orient(Elm_Tooltip *tt,
                                 Evas_Coord tw, Evas_Coord th, Evas_Coord cw, Evas_Coord ch)
 {
    Evas_Coord mx, my;
+   Evas_Coord dx, dy;
+   Evas_Coord tcw, tch;
+   Evas_Coord px, py;
 
    switch (tt->orient)
      {
@@ -345,11 +348,54 @@ _elm_tooltip_reconfigure_orient(Elm_Tooltip *tt,
          return;
      }
 
-   if (mx < 0) mx = 0;
-   else if (mx + tw > cw) mx = cw - tw;
+   evas_object_geometry_get(tt->content, NULL, NULL, &tcw, &tch);
+   if (tcw <= 0 || tcw > tw) tcw = tw;
+   if (tch <= 0 || tch > th) tch = th;
 
-   if (my < 0) my = 0;
-   else if (my + th > ch) my = ch - th;
+   px = (tw - tcw) / 2;
+   py = (th - tch) / 2;
+
+   if (mx < 0)
+     {
+        dx = -mx;
+        mx = -(px / 2);
+        if (tt->rel_pos.x == 0.5)
+          {
+             tt->rel_pos.x = 0.5 - dx / (double)tcw;
+             if (tt->rel_pos.x < 0.0) tt->rel_pos.x = 0.0;
+          }
+     }
+   else if (mx + tw > cw)
+     {
+        dx = mx + tw - cw;
+        mx = cw - tw + px / 2;
+        if (tt->rel_pos.x == 0.5)
+          {
+             tt->rel_pos.x = 0.5 + dx / (double)tcw;
+             if (tt->rel_pos.x > 1.0) tt->rel_pos.x = 1.0;
+          }
+     }
+
+   if (my < 0)
+     {
+        dy = -my;
+        my = -(py / 2);
+        if (tt->rel_pos.y == 0.5)
+          {
+             tt->rel_pos.y = 0.5 - dy / (double)tch;
+             if (tt->rel_pos.y < 0.0) tt->rel_pos.y = 0.0;
+          }
+     }
+   else if (my + th > ch)
+     {
+        dy = my + th - ch;
+        my = ch - th + py / 2;
+        if (tt->rel_pos.y == 0.5)
+          {
+             tt->rel_pos.y = 0.5 + dy / (double)tch;
+             if (tt->rel_pos.y > 1.0) tt->rel_pos.y = 1.0;
+          }
+     }
 
    evas_object_move(tt->tooltip, mx, my);
    evas_object_show(tt->tooltip);