From 057d29dfcc04dcf712bb4f0d416a923715df52c3 Mon Sep 17 00:00:00 2001
From: sangho park <sangho.g.park@samsung.com>
Date: Thu, 28 Apr 2011 17:50:05 +0900
Subject: [PATCH] upstream merge

Change-Id: I20ca8959b68d1487ec9210040f46c1a26461d603
---
 src/bin/test_map.c      |  22 ----
 src/lib/Elementary.h.in |   2 +
 src/lib/elm_map.c       | 263 +++++++++++++++++++++++++++++++++++++++++-------
 src/lib/els_scroller.c  |  19 ++++
 src/lib/els_scroller.h  |   2 +
 5 files changed, 247 insertions(+), 61 deletions(-)

diff --git a/src/bin/test_map.c b/src/bin/test_map.c
index 195e32e..b930d26 100644
--- a/src/bin/test_map.c
+++ b/src/bin/test_map.c
@@ -519,26 +519,6 @@ _group_icon_get(Evas_Object *obj, void *data)
 }
 
 static void
-_map_mouse_wheel_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
-{
-   Evas_Object *map = data;
-   Evas_Event_Mouse_Wheel *ev = (Evas_Event_Mouse_Wheel*) event_info;
-   int zoom;
-   //unset the mouse wheel
-   ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
-
-   zoom = elm_map_zoom_get(map);
-
-   if (ev->z > 0)
-     zoom--;
-   else
-     zoom++;
-
-   elm_map_zoom_mode_set(map, ELM_MAP_ZOOM_MODE_MANUAL);
-   if ((zoom >= 0) && (zoom <= 18)) elm_map_zoom_set(map, zoom);
-}
-
-static void
 _map_move_resize_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 {
    int x,y,w,h;
@@ -607,8 +587,6 @@ test_map(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __
         evas_object_color_set(rect, 0, 0, 0, 0);
         evas_object_repeat_events_set(rect,1);
         evas_object_show(rect);
-        evas_object_event_callback_add(rect, EVAS_CALLBACK_MOUSE_WHEEL,
-                                       _map_mouse_wheel_cb, map);
         evas_object_raise(rect);
 
         evas_object_event_callback_add(map, EVAS_CALLBACK_RESIZE,
diff --git a/src/lib/Elementary.h.in b/src/lib/Elementary.h.in
index 5cb6475..b9d29e7 100644
--- a/src/lib/Elementary.h.in
+++ b/src/lib/Elementary.h.in
@@ -2459,6 +2459,8 @@ extern "C" {
    EAPI void                  elm_map_name_remove(Elm_Map_Name *name) EINA_ARG_NONNULL(1);
    EAPI void                  elm_map_rotate_set(Evas_Object *obj, double degree, Evas_Coord cx, Evas_Coord cy) EINA_ARG_NONNULL(1);
    EAPI void                  elm_map_rotate_get(const Evas_Object *obj, double *degree, Evas_Coord *cx, Evas_Coord *cy) EINA_ARG_NONNULL(1, 2, 3, 4);
+   EAPI void                  elm_map_wheel_disabled_set(Evas_Object *obj, Eina_Bool disabled) EINA_ARG_NONNULL(1);
+   EAPI Eina_Bool             elm_map_wheel_disabled_get(const Evas_Object *obj) EINA_ARG_NONNULL(1);
 
    /* smart callbacks called:
     * "clicked" - when image clicked
diff --git a/src/lib/elm_map.c b/src/lib/elm_map.c
index 836b169..08461d6 100644
--- a/src/lib/elm_map.c
+++ b/src/lib/elm_map.c
@@ -426,6 +426,9 @@ struct _Widget_Data
         Evas_Coord cx, cy;
         double level;
    } pinch_zoom;
+   double wheel_zoom;
+   Ecore_Timer *wheel_timer;
+   Eina_Bool wheel_disabled : 1;
 };
 
 struct _Mod_Api
@@ -551,6 +554,7 @@ static const Evas_Smart_Cb_Description _signals[] = {
 static void _pan_calculate(Evas_Object *obj);
 
 static Eina_Bool _hold_timer_cb(void *data);
+static Eina_Bool _wheel_timer_cb(void *data);
 static void _rect_resize_cb(void *data, Evas *e, Evas_Object *obj, void *event_info);
 static void _del_hook(Evas_Object *obj);
 static void _theme_hook(Evas_Object *obj);
@@ -747,14 +751,14 @@ route_place(Evas_Object *obj, Grid *g __UNUSED__, Evas_Coord px, Evas_Coord py,
 {
    ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
-   if (!wd) return;
-
    Eina_List *lr, *lp, *ln;
    Route_Node *n;
    Evas_Object *p;
    Elm_Map_Route *r;
    int nodes;
    int x, y, rx, ry;
+
+   if (!wd) return;
    Evas_Coord size = pow(2.0, wd->zoom)*wd->tsize;
 
    EINA_LIST_FOREACH(wd->route, lr, r)
@@ -811,8 +815,10 @@ route_place(Evas_Object *obj, Grid *g __UNUSED__, Evas_Coord px, Evas_Coord py,
 static void
 rect_place(Evas_Object *obj, Evas_Coord px, Evas_Coord py, Evas_Coord ox, Evas_Coord oy, Evas_Coord ow, Evas_Coord oh)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
    Evas_Coord ax, ay, gw, gh, hh, ww;
+
    if (!wd) return;
    evas_object_geometry_get(wd->rect, NULL, NULL, &ww, &hh);
 
@@ -840,6 +846,7 @@ rect_place(Evas_Object *obj, Evas_Coord px, Evas_Coord py, Evas_Coord ox, Evas_C
 static void
 marker_place(Evas_Object *obj, Grid *g, Evas_Coord px, Evas_Coord py, Evas_Coord ox, Evas_Coord oy, Evas_Coord ow, Evas_Coord oh)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
    Evas_Coord ax, ay, gw, gh, tx, ty;
    Eina_List *l, *markers;
@@ -987,12 +994,12 @@ marker_place(Evas_Object *obj, Grid *g, Evas_Coord px, Evas_Coord py, Evas_Coord
 static void
 grid_place(Evas_Object *obj, Grid *g, Evas_Coord px, Evas_Coord py, Evas_Coord ox, Evas_Coord oy, Evas_Coord ow, Evas_Coord oh)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
    Evas_Coord ax, ay, gw, gh, tx, ty;
    int xx, yy, ww, hh;
 
    if (!wd) return;
-
    ax = 0;
    ay = 0;
    gw = wd->size.w;
@@ -1043,6 +1050,7 @@ grid_place(Evas_Object *obj, Grid *g, Evas_Coord px, Evas_Coord py, Evas_Coord o
 static void
 grid_clear(Evas_Object *obj, Grid *g)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
    char buf[PATH_MAX];
 
@@ -1171,6 +1179,7 @@ grid_create(Evas_Object *obj)
 static void
 grid_load(Evas_Object *obj, Grid *g)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
    int x, y;
    int size;
@@ -1376,6 +1385,7 @@ grid_load(Evas_Object *obj, Grid *g)
 static void
 grid_clearall(Evas_Object *obj)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
    Grid *g;
 
@@ -1390,6 +1400,7 @@ grid_clearall(Evas_Object *obj)
 static void
 _smooth_update(Evas_Object *obj)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
    Eina_List *l;
    Grid *g;
@@ -1430,7 +1441,9 @@ _grid_raise(Grid *g)
 static Eina_Bool
 _scr_timeout(void *data)
 {
+   ELM_CHECK_WIDTYPE(data, widtype) ECORE_CALLBACK_CANCEL;
    Widget_Data *wd = elm_widget_data_get(data);
+
    if (!wd) return ECORE_CALLBACK_CANCEL;
    wd->nosmooth--;
    if (!wd->nosmooth) _smooth_update(data);
@@ -1441,7 +1454,9 @@ _scr_timeout(void *data)
 static void
 _scr(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 {
+   ELM_CHECK_WIDTYPE(data, widtype);
    Widget_Data *wd = elm_widget_data_get(data);
+
    if (!wd) return;
    if (!wd->scr_timer)
      {
@@ -1455,18 +1470,28 @@ _scr(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 static void
 zoom_do(Evas_Object *obj)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
    Evas_Coord xx, yy, ow, oh;
 
    if (!wd) return;
-
    wd->size.w = wd->size.nw;
    wd->size.h = wd->size.nh;
 
    elm_smart_scroller_child_viewport_size_get(wd->scr, &ow, &oh);
-   elm_map_utils_convert_geo_into_coord(obj, wd->center_on.lon, wd->center_on.lat, wd->size.w, &xx, &yy);
-   xx -= ow / 2;
-   yy -= oh / 2;
+
+   if (wd->center_on.enabled)
+     {
+	elm_map_utils_convert_geo_into_coord(obj, wd->center_on.lon, wd->center_on.lat, wd->size.w, &xx, &yy);
+	xx -= ow / 2;
+	yy -= oh / 2;
+     }
+   else
+     {
+	xx = (wd->size.spos.x * wd->size.w) - (ow / 2);
+	yy = (wd->size.spos.y * wd->size.h) - (oh / 2);
+     }
+
 
    if (xx < 0) xx = 0;
    else if (xx > (wd->size.w - ow)) xx = wd->size.w - ow;
@@ -1486,6 +1511,7 @@ zoom_do(Evas_Object *obj)
 static Eina_Bool
 _zoom_anim(void *data)
 {
+   ELM_CHECK_WIDTYPE(data, widtype) ECORE_CALLBACK_CANCEL;
    Evas_Object *obj = data;
    Widget_Data *wd = elm_widget_data_get(obj);
    double t;
@@ -1504,34 +1530,34 @@ _zoom_anim(void *data)
 
    if ((t >= 2.0) || (t <= 0.5))
      {
+        wd->zoom_animator = NULL;
         wd->pinch.level = 1.0;
         zoom_do(obj);
-        wd->zoom_animator = NULL;
         evas_object_smart_callback_call(obj, SIG_ZOOM_STOP, NULL);
         return ECORE_CALLBACK_CANCEL;
      }
-   else
+   else if (t != 1.0)
      {
         Evas_Coord x, y, w, h;
         float half_w, half_h;
-
         evas_object_geometry_get(data, &x, &y, &w, &h);
         half_w = (float)w * 0.5;
         half_h = (float)h * 0.5;
-
-        wd->pinch.level = t;
         wd->pinch.cx = x + half_w;
         wd->pinch.cy = y + half_h;
+        wd->pinch.level = t;
         if (wd->calc_job) ecore_job_del(wd->calc_job);
         wd->calc_job = ecore_job_add(_calc_job, wd);
-        return ECORE_CALLBACK_RENEW;
      }
+   return ECORE_CALLBACK_RENEW;
 }
 
 static Eina_Bool
 _long_press(void *data)
 {
+   ELM_CHECK_WIDTYPE(data, widtype) ECORE_CALLBACK_CANCEL;
    Widget_Data *wd = elm_widget_data_get(data);
+
    if (!wd) return ECORE_CALLBACK_CANCEL;
    wd->long_timer = NULL;
    evas_object_smart_callback_call(data, SIG_LONGPRESSED, &wd->ev);
@@ -1546,6 +1572,14 @@ _mouse_down(void *data, Evas *evas __UNUSED__, Evas_Object *obj, void *event_inf
    Evas_Event_Mouse_Down *ev = event_info;
    Event *ev0;
 
+   if (!wd) return;
+   if (ev->button == 2)
+     {
+        if (wd->wheel_timer) ecore_timer_del(wd->wheel_timer);
+        wd->wheel_timer = ecore_timer_add(0.35, _wheel_timer_cb, data);
+        return;
+     }
+
    ev0 = get_event_object(data, 0);
    if (ev0) return;
    ev0 = create_event_object(data, obj, 0);
@@ -1555,7 +1589,6 @@ _mouse_down(void *data, Evas *evas __UNUSED__, Evas_Object *obj, void *event_inf
    ev0->prev.x = ev->output.x;
    ev0->prev.y = ev->output.y;
 
-   if (!wd) return;
    if (ev->button != 1) return;
    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) wd->on_hold = EINA_TRUE;
    else wd->on_hold = EINA_FALSE;
@@ -1586,6 +1619,8 @@ _mouse_up(void *data, Evas *evas __UNUSED__, Evas_Object *obj __UNUSED__, void *
 {
    ELM_CHECK_WIDTYPE(data, widtype);
    Widget_Data *wd = elm_widget_data_get(data);
+
+   if (!wd) return;
    Evas_Event_Mouse_Up *ev = event_info;
    int mdevice;
    Event *ev0;
@@ -1614,7 +1649,6 @@ _mouse_up(void *data, Evas *evas __UNUSED__, Evas_Object *obj __UNUSED__, void *
         destroy_event_object(data, ev0);
      }
 
-   if (!wd) return;
    if (ev->button != 1) return;
    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) wd->on_hold = EINA_TRUE;
    else wd->on_hold = EINA_FALSE;
@@ -1741,7 +1775,7 @@ _mouse_multi_up(void *data, Evas *evas __UNUSED__, Evas_Object *obj __UNUSED__,
    Event *ev0;
    Event *ev;
    Eina_Bool tp;
-   double t = 0.0;
+   double t;
 
    wd->multi_count--;
    if (wd->calc_job) ecore_job_del(wd->calc_job);
@@ -1780,6 +1814,40 @@ _mouse_multi_up(void *data, Evas *evas __UNUSED__, Evas_Object *obj __UNUSED__,
    destroy_event_object(data, ev);
 }
 
+static void
+_mouse_wheel_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
+{
+   ELM_CHECK_WIDTYPE(data, widtype);
+   Widget_Data *wd = elm_widget_data_get(data);
+   Evas_Event_Mouse_Wheel *ev = (Evas_Event_Mouse_Wheel*) event_info;
+   Evas_Coord x, y, w, h;
+   float half_w, half_h;
+   evas_object_geometry_get(data, &x, &y, &w, &h);
+   half_w = (float)w * 0.5;
+   half_h = (float)h * 0.5;
+
+   if (!wd->wheel_zoom) wd->wheel_zoom = 1.0;
+   if (ev->z > 0)
+     {
+        wd->zoom_method = ZOOM_METHOD_OUT;
+        wd->wheel_zoom -= 0.1;
+        if (wd->wheel_zoom <= PINCH_ZOOM_MIN) wd->wheel_zoom = PINCH_ZOOM_MIN;
+     }
+   else
+     {
+        wd->zoom_method = ZOOM_METHOD_IN;
+        wd->wheel_zoom += 0.1;
+        if (wd->wheel_zoom >= PINCH_ZOOM_MAX) wd->wheel_zoom = PINCH_ZOOM_MAX;
+     }
+
+   wd->pinch.level = wd->wheel_zoom;
+   wd->pinch.cx = x + half_w;
+   wd->pinch.cy = y + half_h;
+   if (wd->calc_job) ecore_job_del(wd->calc_job);
+   wd->calc_job = ecore_job_add(_calc_job, wd);
+}
+
+
 static Evas_Smart_Class _pan_sc = EVAS_SMART_CLASS_INIT_NULL;
 
 static Eina_Bool
@@ -1791,9 +1859,26 @@ _hold_timer_cb(void *data)
    return ECORE_CALLBACK_CANCEL;
 }
 
+static Eina_Bool
+_wheel_timer_cb(void *data)
+{
+   ELM_CHECK_WIDTYPE(data, widtype) ECORE_CALLBACK_CANCEL;
+   Widget_Data *wd = elm_widget_data_get(data);
+   int zoom;
+
+   wd->wheel_timer = NULL;
+   if (wd->zoom_method == ZOOM_METHOD_IN) zoom = (int)ceil(wd->wheel_zoom - 1.0);
+   else if (wd->zoom_method == ZOOM_METHOD_OUT) zoom = (int)floor((-1.0 / wd->wheel_zoom) + 1.0);
+   else return ECORE_CALLBACK_CANCEL;
+   elm_map_zoom_set(data, wd->zoom + zoom);
+   wd->wheel_zoom = 0.0;
+   return ECORE_CALLBACK_CANCEL;
+}
+
 static void
 _rect_resize_cb(void *data, Evas *evas __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 {
+   ELM_CHECK_WIDTYPE(data, widtype);
    Widget_Data *wd = elm_widget_data_get(data);
    int x, y, w, h;
 
@@ -1806,9 +1891,10 @@ _rect_resize_cb(void *data, Evas *evas __UNUSED__, Evas_Object *obj __UNUSED__,
 static void
 _del_hook(Evas_Object *obj)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
    Elm_Map_Group_Class *group_clas;
    Elm_Map_Marker_Class *marker_clas;
-   Widget_Data *wd = elm_widget_data_get(obj);
    Eina_List *l;
    Event *ev;
    Evas_Object *p;
@@ -1819,7 +1905,6 @@ _del_hook(Evas_Object *obj)
    Elm_Map_Name *na;
 
    if (!wd) return;
-
    EINA_LIST_FREE(wd->groups_clas, group_clas)
      {
         if (group_clas->style)
@@ -1898,15 +1983,16 @@ _del_hook(Evas_Object *obj)
 static void
 _del_pre_hook(Evas_Object *obj)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
    Marker_Group *group;
    Elm_Map_Marker *marker;
    int i;
    Eina_Bool free_marker = EINA_TRUE;
    Eina_List *l;
-   Widget_Data *wd = elm_widget_data_get(obj);
-   grid_clearall(obj);
 
    if (!wd) return;
+   grid_clearall(obj);
    for (i = 0; i < ZOOM_MAX + 1; i++)
      {
         if (!wd->markers[i]) continue;
@@ -1940,7 +2026,9 @@ _del_pre_hook(Evas_Object *obj)
 static void
 _on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return;
    if (elm_widget_focus_get(obj))
      {
@@ -1957,7 +2045,9 @@ _on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
 static void
 _theme_hook(Evas_Object *obj)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return;
    elm_smart_scroller_object_theme_set(obj, wd->scr, "map", "base", elm_widget_style_get(obj));
    //   edje_object_scale_set(wd->scr, elm_widget_scale_get(obj) * _elm_config->scale);
@@ -1967,8 +2057,10 @@ _theme_hook(Evas_Object *obj)
 static void
 _sizing_eval(Evas_Object *obj)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
+
    if (!wd) return;
    evas_object_size_hint_max_get(wd->scr, &maxw, &maxh);
    evas_object_size_hint_min_set(obj, minw, minh);
@@ -2122,7 +2214,9 @@ _pan_move(Evas_Object *obj, Evas_Coord x __UNUSED__, Evas_Coord y __UNUSED__)
 static void
 _hold_on(void *data __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return;
    elm_smart_scroller_hold_set(wd->scr, 1);
 }
@@ -2130,7 +2224,9 @@ _hold_on(void *data __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
 static void
 _hold_off(void *data __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return;
    elm_smart_scroller_hold_set(wd->scr, 0);
 }
@@ -2138,7 +2234,9 @@ _hold_off(void *data __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
 static void
 _freeze_on(void *data __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return;
    elm_smart_scroller_freeze_set(wd->scr, 1);
 }
@@ -2146,7 +2244,9 @@ _freeze_on(void *data __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
 static void
 _freeze_off(void *data __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return;
    elm_smart_scroller_freeze_set(wd->scr, 0);
 }
@@ -2461,6 +2561,8 @@ _group_open_cb(void *data, Evas_Object *obj __UNUSED__, const char *emission __U
 static Eina_Bool
 _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type type, void *event_info)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
+   Widget_Data *wd = elm_widget_data_get(obj);
    double zoom;
    Evas_Coord x = 0;
    Evas_Coord y = 0;
@@ -2471,10 +2573,9 @@ _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type ty
    Evas_Coord page_x = 0;
    Evas_Coord page_y = 0;
 
+   if (!wd) return EINA_FALSE;
    if (type != EVAS_CALLBACK_KEY_DOWN) return EINA_FALSE;
    Evas_Event_Key_Down *ev = event_info;
-   Widget_Data *wd = elm_widget_data_get(obj);
-   if (!wd) return EINA_FALSE;
    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return EINA_FALSE;
 
    elm_smart_scroller_child_pos_get(wd->scr, &x, &y);
@@ -2820,12 +2921,13 @@ _name_complete_cb(void *data, int ev_type __UNUSED__, void *event)
 static Elm_Map_Name *
 _utils_convert_name(const Evas_Object *obj, int method, char *address, double lon, double lat)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype) NULL;
    Widget_Data *wd = elm_widget_data_get(obj);
-   if (!wd) return NULL;
-
    char buf[PATH_MAX];
    char *source;
    int fd;
+
+   if (!wd) return NULL;
    Elm_Map_Name *name = ELM_NEW(Elm_Map_Name);
    if (!name) return NULL;
 
@@ -2914,6 +3016,7 @@ elm_map_add(Evas_Object *parent)
    evas_object_smart_callback_add(wd->scr, "scroll", _scr, obj);
    evas_object_smart_callback_add(wd->scr, "drag", _scr, obj);
    elm_widget_resize_object_set(obj, wd->scr);
+   elm_smart_scroller_wheel_disabled_set(wd->scr, EINA_TRUE);
 
    evas_object_smart_callback_add(wd->scr, "animate,start", _scr_anim_start, obj);
    evas_object_smart_callback_add(wd->scr, "animate,stop", _scr_anim_stop, obj);
@@ -2975,6 +3078,8 @@ elm_map_add(Evas_Object *parent)
                                   _mouse_multi_move, obj);
    evas_object_event_callback_add(wd->rect, EVAS_CALLBACK_MULTI_UP,
                                   _mouse_multi_up, obj);
+   evas_object_event_callback_add(wd->rect, EVAS_CALLBACK_MOUSE_WHEEL,
+                                  _mouse_wheel_cb, obj);
 
    evas_object_smart_member_add(wd->rect, wd->pan_smart);
    elm_widget_sub_object_add(obj, wd->rect);
@@ -3166,6 +3271,21 @@ done:
 
    wd->t_start = ecore_loop_time_get();
    wd->t_end = wd->t_start + _elm_config->zoom_friction;
+   if ((wd->size.w > 0) && (wd->size.h > 0))
+     {
+	wd->size.spos.x = (double)(rx + (rw / 2)) / (double)wd->size.ow;
+	wd->size.spos.y = (double)(ry + (rh / 2)) / (double)wd->size.oh;
+     }
+   else
+     {
+	wd->size.spos.x = 0.5;
+	wd->size.spos.y = 0.5;
+     }
+   if (rw > wd->size.ow) wd->size.spos.x = 0.5;
+   if (rh > wd->size.oh) wd->size.spos.y = 0.5;
+   if (wd->size.spos.x > 1.0) wd->size.spos.x = 1.0;
+   if (wd->size.spos.y > 1.0) wd->size.spos.y = 1.0;
+
    if (wd->paused)
      {
         zoom_do(obj);
@@ -3220,6 +3340,7 @@ elm_map_zoom_get(const Evas_Object *obj)
 {
    ELM_CHECK_WIDTYPE(obj, widtype) 1.0;
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return 1.0;
    return wd->zoom;
 }
@@ -3247,6 +3368,7 @@ elm_map_zoom_mode_set(Evas_Object *obj, Elm_Map_Zoom_Mode mode)
 {
    ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return;
    if (wd->mode == mode) return;
    wd->mode = mode;
@@ -3272,6 +3394,7 @@ elm_map_zoom_mode_get(const Evas_Object *obj)
 {
    ELM_CHECK_WIDTYPE(obj, widtype) ELM_MAP_ZOOM_MODE_MANUAL;
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return ELM_MAP_ZOOM_MODE_MANUAL;
    return wd->mode;
 }
@@ -3399,6 +3522,7 @@ elm_map_paused_set(Evas_Object *obj, Eina_Bool paused)
 {
    ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return;
    if (wd->paused == !!paused) return;
    wd->paused = paused;
@@ -3431,6 +3555,7 @@ elm_map_paused_markers_set(Evas_Object *obj, Eina_Bool paused)
 {
    ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return;
    if (wd->paused_markers == !!paused) return;
    wd->paused_markers = paused;
@@ -3451,6 +3576,7 @@ elm_map_paused_get(const Evas_Object *obj)
 {
    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return EINA_FALSE;
    return wd->paused;
 }
@@ -3470,6 +3596,7 @@ elm_map_paused_markers_get(const Evas_Object *obj)
 {
    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return EINA_FALSE;
    return wd->paused_markers;
 }
@@ -3491,8 +3618,8 @@ elm_map_utils_downloading_status_get(const Evas_Object *obj, int *try_num, int *
 {
    ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
-   if (!wd) return;
 
+   if (!wd) return;
    if (try_num)
      {
         *try_num = wd->try_num;
@@ -3518,7 +3645,10 @@ elm_map_utils_downloading_status_get(const Evas_Object *obj, int *try_num, int *
 EAPI void
 elm_map_utils_convert_coord_into_geo(const Evas_Object *obj, int x, int y, int size, double *lon, double *lat)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
+
+   if (!wd) return;
    int zoom = floor(log(size/256) / log(2));
 
    if (elm_map_source_get(obj) == ELM_MAP_SOURCE_MODULE)
@@ -3555,7 +3685,10 @@ elm_map_utils_convert_coord_into_geo(const Evas_Object *obj, int x, int y, int s
 EAPI void
 elm_map_utils_convert_geo_into_coord(const Evas_Object *obj, double lon, double lat, int size, int *x, int *y)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
+
+   if (!wd) return;
    int zoom = floor(log(size/256) / log(2));
 
    if (elm_map_source_get(obj) == ELM_MAP_SOURCE_MODULE)
@@ -3660,11 +3793,11 @@ elm_map_utils_rotate_coord(const Evas_Object *obj __UNUSED__, const Evas_Coord x
 EAPI Elm_Map_Marker *
 elm_map_marker_add(Evas_Object *obj, double lon, double lat, Elm_Map_Marker_Class *clas, Elm_Map_Group_Class *clas_group, void *data)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype) NULL;
+   Widget_Data *wd = elm_widget_data_get(obj);
    int i, j;
    Eina_List *l;
    Marker_Group *group;
-   ELM_CHECK_WIDTYPE(obj, widtype) NULL;
-   Widget_Data *wd = elm_widget_data_get(obj);
    int mpi, mpj;
    int tabi[9];
    int tabj[9];
@@ -4030,6 +4163,7 @@ elm_map_max_marker_per_group_set(Evas_Object *obj, int max)
 {
    ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return;
    wd->markers_max_num = max;
 }
@@ -4085,12 +4219,12 @@ elm_map_bubbles_close(Evas_Object *obj)
    Widget_Data *wd = elm_widget_data_get(obj);
    Marker_Group *group;
    Eina_List *l, *l_next;
+
    if (!wd) return;
    EINA_LIST_FOREACH_SAFE(wd->opened_bubbles, l, l_next, group)
       _group_bubble_free(group);
 }
 
-
 /**
  * Create a group class.
  *
@@ -4107,6 +4241,7 @@ elm_map_group_class_new(Evas_Object *obj)
 {
    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return NULL;
    Elm_Map_Group_Class *clas = calloc(1, sizeof(Elm_Map_Group_Class));
    clas->zoom_grouped = ZOOM_MAX;
@@ -4207,6 +4342,7 @@ elm_map_group_class_hide_set(Evas_Object *obj, Elm_Map_Group_Class *clas, Eina_B
 {
    ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return;
    EINA_SAFETY_ON_NULL_RETURN(clas);
    if (clas->hide == hide) return;
@@ -4236,6 +4372,7 @@ elm_map_marker_class_new(Evas_Object *obj)
 {
    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return NULL;
    Elm_Map_Marker_Class *clas = calloc(1, sizeof(Elm_Map_Marker_Class));
    wd->markers_clas = eina_list_append(wd->markers_clas, clas);
@@ -4331,6 +4468,7 @@ elm_map_source_set(Evas_Object *obj, Elm_Map_Sources source)
    Grid *grid;
    int zoom;
    Mod_Api *api = NULL;
+
    if (!wd) return;
    _elm_config_sub_init();
    if (source == ELM_MAP_SOURCE_MODULE)
@@ -4370,6 +4508,7 @@ elm_map_route_source_set(Evas_Object *obj, Elm_Map_Route_Sources source)
 {
    ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return;
    wd->source = source;
 }
@@ -4387,6 +4526,7 @@ elm_map_source_get(const Evas_Object *obj)
 {
    ELM_CHECK_WIDTYPE(obj, widtype) ELM_MAP_SOURCE_MAPNIK;
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return ELM_MAP_SOURCE_MAPNIK;
    return wd->source;
 }
@@ -4404,6 +4544,7 @@ elm_map_route_source_get(const Evas_Object *obj)
 {
    ELM_CHECK_WIDTYPE(obj, widtype) ELM_MAP_ROUTE_SOURCE_YOURS;
    Widget_Data *wd = elm_widget_data_get(obj);
+
    if (!wd) return ELM_MAP_ROUTE_SOURCE_YOURS;
    return wd->route_source;
 }
@@ -4542,7 +4683,8 @@ elm_map_route_add(Evas_Object *obj,
 {
    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
    Widget_Data *wd = elm_widget_data_get(obj);
-   if (!wd) return EINA_FALSE;
+
+   if (!wd) return NULL;
    char buf[PATH_MAX];
    char *source;
    char *type_name = NULL;
@@ -4780,8 +4922,8 @@ elm_map_name_address_get(Elm_Map_Name *name)
  * This gets the current coordinates of the name object.
  *
  * @param obj The name object
- * @param lat The latitude.
- * @param lon The longitude.
+ * @param lat The latitude
+ * @param lon The longitude
  *
  * @ingroup Map
  */
@@ -4826,9 +4968,9 @@ elm_map_name_remove(Elm_Map_Name *name)
  * Set the rotate degree of the map
  *
  * @param obj The map object
- * @param angle amount of degrees from 0.0 to 360.0 to rotate arount Z axis.
- * @param cx rotation's center horizontal position.
- * @param cy rotation's center vertical position.
+ * @param angle amount of degrees from 0.0 to 360.0 to rotate arount Z axis
+ * @param cx rotation's center horizontal position
+ * @param cy rotation's center vertical position
  *
  * @ingroup Map
  */
@@ -4838,6 +4980,7 @@ elm_map_rotate_set(Evas_Object *obj, double degree, Evas_Coord cx, Evas_Coord cy
    ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
 
+   if (!wd) return;
    wd->rotate.d = degree;
    wd->rotate.cx = cx;
    wd->rotate.cy = cy;
@@ -4848,9 +4991,9 @@ elm_map_rotate_set(Evas_Object *obj, double degree, Evas_Coord cx, Evas_Coord cy
  * Get the rotate degree of the map
  *
  * @param obj The map object
- * @return amount of degrees from 0.0 to 360.0 to rotate arount Z axis.
- * @param cx rotation's center horizontal position.
- * @param cy rotation's center vertical position.
+ * @return amount of degrees from 0.0 to 360.0 to rotate arount Z axis
+ * @param cx rotation's center horizontal position
+ * @param cy rotation's center vertical position
  *
  * @ingroup Map
  */
@@ -4860,11 +5003,52 @@ elm_map_rotate_get(const Evas_Object *obj, double *degree, Evas_Coord *cx, Evas_
    ELM_CHECK_WIDTYPE(obj, widtype);
    Widget_Data *wd = elm_widget_data_get(obj);
 
+   if (!wd) return;
    if (degree) *degree = wd->rotate.d;
    if (cx) *cx = wd->rotate.cx;
    if (cy) *cy = wd->rotate.cy;
 }
 
+/**
+ * Set the wheel control state of the map
+ *
+ * @param obj The map object
+ * @param disabled status of wheel control
+ *
+ * @ingroup Map
+ */
+EAPI void
+elm_map_wheel_disabled_set(Evas_Object *obj, Eina_Bool disabled)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+
+   if (!wd) return;
+   if ((!wd->wheel_disabled) && (disabled))
+     evas_object_event_callback_del_full(wd->rect, EVAS_CALLBACK_MOUSE_WHEEL, _mouse_wheel_cb, obj);
+   else if ((wd->wheel_disabled) && (!disabled))
+     evas_object_event_callback_add(wd->rect, EVAS_CALLBACK_MOUSE_WHEEL, _mouse_wheel_cb, obj);
+   wd->wheel_disabled = disabled;
+}
+
+/**
+ * Get the wheel control state of the map
+ *
+ * @param obj The map object
+ * @return Returns the status of wheel control
+ *
+ * @ingroup Map
+ */
+EAPI Eina_Bool
+elm_map_wheel_disabled_get(const Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
+   Widget_Data *wd = elm_widget_data_get(obj);
+
+   if (!wd) return EINA_FALSE;
+   return wd->wheel_disabled;
+}
+
 static char *
 _mapnik_url_cb(Evas_Object *obj __UNUSED__, int x, int y, int zoom)
 {
@@ -5033,13 +5217,14 @@ static char *_route_module_url_cb(Evas_Object *obj __UNUSED__, char *type_name _
 static char *
 _nominatim_url_cb(Evas_Object *obj, int method, char *name, double lon, double lat)
 {
+   ELM_CHECK_WIDTYPE(obj, widtype) strdup("");
    Widget_Data *wd = elm_widget_data_get(obj);
-   if (!wd) return strdup("");
    char **str;
    unsigned int ele, idx;
-
    char search_url[PATH_MAX];
    char buf[PATH_MAX];
+
+   if (!wd) return strdup("");
    if (method == ELM_MAP_NAME_METHOD_SEARCH)
      {
         search_url[0] = '\0';
diff --git a/src/lib/els_scroller.c b/src/lib/els_scroller.c
index c4204f2..514050c 100644
--- a/src/lib/els_scroller.c
+++ b/src/lib/els_scroller.c
@@ -107,6 +107,7 @@ struct _Smart_Data
    unsigned char bounce_animator_disabled :1;
    Eina_Bool is_mirrored : 1;
    unsigned char event_propagation :1;
+   Eina_Bool wheel_disabled : 1;
 };
 
 /* local subsystem functions */
@@ -359,6 +360,24 @@ elm_smart_scroller_bounce_animator_disabled_set(Evas_Object *obj, Eina_Bool disa
      }
 }
 
+Eina_Bool
+elm_smart_scroller_wheel_disabled_get(Evas_Object *obj)
+{
+   API_ENTRY return EINA_FALSE;
+   return sd->wheel_disabled;
+}
+
+void
+elm_smart_scroller_wheel_disabled_set(Evas_Object *obj, Eina_Bool disabled)
+{
+   API_ENTRY return;
+   if ((!sd->wheel_disabled) && (disabled))
+     evas_object_event_callback_del_full(sd->event_obj, EVAS_CALLBACK_MOUSE_WHEEL, _smart_event_wheel, sd);
+   else if ((sd->wheel_disabled) && (!disabled))
+     evas_object_event_callback_add(sd->event_obj, EVAS_CALLBACK_MOUSE_WHEEL, _smart_event_wheel, sd);
+   sd->wheel_disabled = disabled;
+}
+
 /* Update the wanted coordinates according to the x, y passed
  * widget directionality, child size and etc. */
 static void
diff --git a/src/lib/els_scroller.h b/src/lib/els_scroller.h
index 1c77179..eefe421 100644
--- a/src/lib/els_scroller.h
+++ b/src/lib/els_scroller.h
@@ -38,3 +38,5 @@ Eina_Bool elm_smart_scroller_momentum_animator_disabled_get   (Evas_Object *obj)
 void elm_smart_scroller_momentum_animator_disabled_set             (Evas_Object *obj, Eina_Bool disabled);
 void elm_smart_scroller_bounce_animator_disabled_set               (Evas_Object *obj, Eina_Bool disabled);
 Eina_Bool elm_smart_scroller_bounce_animator_disabled_get     (Evas_Object *obj);
+Eina_Bool elm_smart_scroller_wheel_disabled_get (Evas_Object *obj);
+void elm_smart_scroller_wheel_disabled_set      (Evas_Object *obj, Eina_Bool disabled);
-- 
2.7.4