From: Woochan Lee <wc0917.lee@samsung.com>
Date: Tue, 28 Nov 2017 11:03:06 +0000 (+0900)
Subject: efl_ui_spin: Support value change using mouse wheel.
X-Git-Tag: submit/sandbox/upgrade/efl120/20180319.053334~1471
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e8238522be7a096aa1b2287ef343564a425b67cb;p=platform%2Fupstream%2Fefl.git

efl_ui_spin: Support value change using mouse wheel.

Summary:
Enable value change using wheel.

(Up, Down key value change will be supported after D4933 dicussing.)

Test Plan: elementary_test efl_ui_spin test sample.

Reviewers: Jaehyun_Cho, jpeg, woohyun

Reviewed By: Jaehyun_Cho

Subscribers: cedric, jpeg

Differential Revision: https://phab.enlightenment.org/D5546
---

diff --git a/src/bin/elementary/test_ui_spin.c b/src/bin/elementary/test_ui_spin.c
index be41b75..ba0a166 100644
--- a/src/bin/elementary/test_ui_spin.c
+++ b/src/bin/elementary/test_ui_spin.c
@@ -22,15 +22,13 @@ _spin_max_reached_cb(void *data EINA_UNUSED, const Efl_Event *ev)
 static void
 _inc_clicked(void *data, const Efl_Event *ev EINA_UNUSED)
 {
-   int val = (int)efl_ui_range_value_get(data);
-   efl_ui_range_value_set(data, ++val);
+   efl_ui_range_value_set(data, (efl_ui_range_value_get(data) + efl_ui_range_step_get(data)));
 }
 
 static void
 _dec_clicked(void *data, const Efl_Event *ev EINA_UNUSED)
 {
-   int val = (int)efl_ui_range_value_get(data);
-   efl_ui_range_value_set(data, --val);
+   efl_ui_range_value_set(data, (efl_ui_range_value_get(data) - efl_ui_range_step_get(data)));
 }
 
 void
diff --git a/src/lib/elementary/efl_ui_spin.c b/src/lib/elementary/efl_ui_spin.c
index 13dbadc..dadb404 100644
--- a/src/lib/elementary/efl_ui_spin.c
+++ b/src/lib/elementary/efl_ui_spin.c
@@ -163,6 +163,27 @@ _efl_ui_spin_elm_widget_theme_apply(Eo *obj, Efl_Ui_Spin_Data *sd EINA_UNUSED)
    return EFL_UI_THEME_APPLY_SUCCESS;
 }
 
+EOLIAN static Eina_Bool
+_efl_ui_spin_elm_widget_widget_event(Eo *obj, Efl_Ui_Spin_Data *sd, const Efl_Event *eo_event, Evas_Object *src EINA_UNUSED)
+{
+   Eo *ev = eo_event->info;
+
+   if (efl_input_processed_get(ev)) return EINA_FALSE;
+
+   if (eo_event->desc == EFL_EVENT_POINTER_WHEEL)
+     {
+       if (efl_input_pointer_wheel_delta_get(ev) < 0)
+         efl_ui_range_value_set(obj, (efl_ui_range_value_get(obj) + sd->step));
+       else
+         efl_ui_range_value_set(obj, (efl_ui_range_value_get(obj) - sd->step));
+     }
+   else
+     return EINA_FALSE;
+
+   efl_input_processed_set(ev, EINA_TRUE);
+   return EINA_TRUE;
+}
+
 EOLIAN static Eo *
 _efl_ui_spin_efl_object_constructor(Eo *obj, Efl_Ui_Spin_Data *sd)
 {
diff --git a/src/lib/elementary/efl_ui_spin.eo b/src/lib/elementary/efl_ui_spin.eo
index df2e2bd..fae80d1 100644
--- a/src/lib/elementary/efl_ui_spin.eo
+++ b/src/lib/elementary/efl_ui_spin.eo
@@ -13,6 +13,7 @@ class Efl.Ui.Spin (Efl.Ui.Layout, Efl.Ui.Range, Efl.Ui.Format,
       Efl.Object.finalize;
       Efl.Object.destructor;
       Elm.Widget.theme_apply;
+      Elm.Widget.widget_event;
       Efl.Ui.Range.range_min_max { get; set; }
       Efl.Ui.Range.range_step { get; set; }
       Efl.Ui.Range.range_value { get; set; }