From 7b9c6a4fb87b6439049e032ac7b8beab9ef8fcac Mon Sep 17 00:00:00 2001
From: sumanth <sumanth.m@samsung.com>
Date: Mon, 20 Feb 2012 19:26:08 +0530
Subject: [PATCH] [elm_slider.c] fix for Nabi/ S1 - 1271, regarding indicator
 drag sensitivity.

Change-Id: If5bb0b1480c94b11f34b52153177a63d61bf6f70
---
 src/lib/elm_slider.c | 48 ++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 42 insertions(+), 6 deletions(-)

diff --git a/src/lib/elm_slider.c b/src/lib/elm_slider.c
index 5398a48..9912cc9 100644
--- a/src/lib/elm_slider.c
+++ b/src/lib/elm_slider.c
@@ -22,13 +22,15 @@ struct _Widget_Data
    const char *(*units_format_func)(double val);
    void (*units_format_free)(const char *str);
 
-   double val, val_min, val_max;
+   double val, val_min, val_max, val2;
    Evas_Coord size;
+   Evas_Coord downx, downy;
 
    Eina_Bool horizontal : 1;
    Eina_Bool inverted : 1;
    Eina_Bool indicator_show : 1;
    Eina_Bool spacer_down : 1;
+   Eina_Bool frozen : 1;
 };
 
 #define ELM_SLIDER_INVERTED_FACTOR (-1.0)
@@ -76,7 +78,6 @@ _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type ty
 
    wd = elm_widget_data_get(obj);
    if (!wd) return EINA_FALSE;
-   if (elm_widget_disabled_get(obj)) return EINA_FALSE;
 
    if (type == EVAS_CALLBACK_KEY_DOWN) goto key_down;
    else if (type != EVAS_CALLBACK_MOUSE_WHEEL) return EINA_FALSE;
@@ -475,7 +476,10 @@ _spacer_down_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, voi
    if (elm_widget_disabled_get(data)) return;
 
    wd->spacer_down = EINA_TRUE;
+   wd->val2 = wd->val;
    evas_object_geometry_get(wd->spacer, &x, &y, &w, &h);
+   wd->downx = ev->canvas.x - x;
+   wd->downy = ev->canvas.y - y;
    edje_object_part_drag_value_get(wd->slider, "elm.dragable.slider", &button_x, &button_y);
    if (wd->horizontal)
      {
@@ -494,7 +498,6 @@ _spacer_down_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, voi
    evas_object_smart_callback_call(data, SIG_DRAG_START, NULL);
    _units_set(data);
    _indicator_set(data);
-   elm_widget_scroll_freeze_push(data);
    edje_object_signal_emit(wd->slider, "elm,state,indicator,show", "elm");
    edje_object_signal_emit(wd->slider, "elm,state,drag", "elm");
    edje_object_message_signal_process(wd->slider);
@@ -505,13 +508,41 @@ _spacer_move_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, voi
 {
    Widget_Data *wd = elm_widget_data_get(data);
    Evas_Event_Mouse_Move *ev = event_info;
-   Evas_Coord x, y, w, h;
+   Evas_Coord x, y, w, h, d = 0;
    double button_x = 0.0, button_y = 0.0;
    if (elm_widget_disabled_get(data)) return;
 
    if  (wd->spacer_down)
      {
         evas_object_geometry_get(wd->spacer, &x, &y, &w, &h);
+        if (wd->horizontal) d = abs(ev->cur.canvas.x - x - wd->downx);
+        else d = abs(ev->cur.canvas.y - y - wd->downy);
+        if (d > (_elm_config->thumbscroll_threshold - 1))
+          {
+             if (!wd->frozen)
+               {
+                  elm_widget_scroll_freeze_push(data);
+                  wd->frozen = EINA_TRUE;
+               }
+             ev->event_flags &= ~EVAS_EVENT_FLAG_ON_HOLD;
+          }
+
+        if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD)
+          {
+             if (wd->spacer_down) wd->spacer_down = EINA_FALSE;
+             _val_fetch(data);
+             evas_object_smart_callback_call(data, SIG_DRAG_STOP, NULL);
+             _units_set(data);
+             _indicator_set(data);
+             if (wd->frozen)
+               {
+                  elm_widget_scroll_freeze_pop(data);
+                  wd->frozen = EINA_FALSE;
+               }
+             edje_object_signal_emit(wd->slider, "elm,state,indicator,hide", "elm");
+             elm_slider_value_set(data, wd->val2);
+             return;
+          }
         if (wd->horizontal)
           {
              button_x = ((double)ev->cur.canvas.x - (double)x) / (double)w;
@@ -538,13 +569,18 @@ _spacer_up_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void
 {
    Widget_Data *wd = elm_widget_data_get(data);
    if (elm_widget_disabled_get(data)) return;
+   if (!wd->spacer_down) return;
 
-   if (wd->spacer_down) wd->spacer_down = EINA_FALSE;
+   wd->spacer_down = EINA_FALSE;
    _val_fetch(data);
    evas_object_smart_callback_call(data, SIG_DRAG_STOP, NULL);
    _units_set(data);
    _indicator_set(data);
-   elm_widget_scroll_freeze_pop(data);
+   if (wd->frozen)
+     {
+        elm_widget_scroll_freeze_pop(data);
+        wd->frozen = EINA_FALSE;
+     }
    edje_object_signal_emit(wd->slider, "elm,state,indicator,hide", "elm");
 }
 
-- 
2.7.4