forked from enlightenment/efl
The momentum animation time is changed as the amount of flick.
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@ -1312,3 +1312,6 @@
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* Layout supports "language,changed" smart callback.
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2013-04-30 Jaehwan Kim
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* The momentum animation time is changed as the amount of flick.
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@ -66,6 +66,7 @@ Additions:
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* Support language,changed callback (Fileselector_Button, Fileselector Entry, Spinner.
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* Add the config elm_scroll_smooth_start_enable.
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* Add elm_layout smart callback - "language,changed".
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* The momentum animation time is changed as the amount of flick.
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Improvements:
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@ -7,6 +7,8 @@ group "Elm_Config" struct {
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value "thumbscroll_hold_threshold" int: 24;
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value "thumbscroll_momentum_threshold" double: 100.0;
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value "thumbscroll_friction" double: 1.0;
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value "thumbscroll_min_friction" double: 1.0;
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value "thumbscroll_friction_standard" double: 2000.0;
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value "thumbscroll_bounce_friction" double: 0.5;
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value "thumbscroll_bounce_enable" uchar: 1;
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value "thumbscroll_acceleration_threshold" double: 500.0;
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@ -7,6 +7,8 @@ group "Elm_Config" struct {
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value "thumbscroll_hold_threshold" int: 100;
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value "thumbscroll_momentum_threshold" double: 100.0;
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value "thumbscroll_friction" double: 1.0;
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value "thumbscroll_min_friction" double: 0.3;
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value "thumbscroll_friction_standard" double: 3000.0;
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value "thumbscroll_bounce_friction" double: 0.5;
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value "thumbscroll_bounce_enable" uchar: 1;
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value "thumbscroll_acceleration_threshold" double: 2000.0;
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@ -7,6 +7,8 @@ group "Elm_Config" struct {
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value "thumbscroll_hold_threshold" int: 4;
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value "thumbscroll_momentum_threshold" double: 100.0;
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value "thumbscroll_friction" double: 1.0;
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value "thumbscroll_min_friction" double: 1.0;
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value "thumbscroll_friction_standard" double: 2000.0;
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value "thumbscroll_bounce_friction" double: 0.5;
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value "thumbscroll_bounce_enable" uchar: 0;
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value "thumbscroll_acceleration_threshold" double: 500.0;
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@ -371,6 +371,56 @@ tsf_change(void *data __UNUSED__,
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elm_config_all_flush();
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}
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static void
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tsmf_round(void *data __UNUSED__,
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Evas_Object *obj,
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void *event_info __UNUSED__)
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{
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double val = elm_slider_value_get(obj);
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double v;
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v = ((double)((int)(val * 10.0))) / 10.0;
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if (v != val) elm_slider_value_set(obj, v);
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}
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static void
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tsmf_change(void *data __UNUSED__,
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Evas_Object *obj,
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void *event_info __UNUSED__)
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{
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double tsmf = elm_config_scroll_thumbscroll_min_friction_get();
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double val = elm_slider_value_get(obj);
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if (tsmf == val) return;
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elm_config_scroll_thumbscroll_min_friction_set(val);
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elm_config_all_flush();
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}
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static void
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tsfs_round(void *data __UNUSED__,
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Evas_Object *obj,
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void *event_info __UNUSED__)
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{
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double val = elm_slider_value_get(obj);
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double v;
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v = ((double)((int)(val * 10.0))) / 10.0;
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if (v != val) elm_slider_value_set(obj, v);
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}
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static void
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tsfs_change(void *data __UNUSED__,
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Evas_Object *obj,
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void *event_info __UNUSED__)
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{
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double tsfs = elm_config_scroll_thumbscroll_friction_standard_get();
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double val = elm_slider_value_get(obj);
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if (tsfs == val) return;
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elm_config_scroll_thumbscroll_friction_standard_set(val);
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elm_config_all_flush();
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}
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static void
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tsbf_round(void *data __UNUSED__,
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Evas_Object *obj,
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@ -2794,6 +2844,47 @@ _status_config_scrolling(Evas_Object *win,
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evas_object_smart_callback_add(sl, "changed", tsf_round, NULL);
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evas_object_smart_callback_add(sl, "delay,changed", tsf_change, NULL);
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LABEL_FRAME_ADD("<hilight>Thumb scroll min friction</>");
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sl = elm_slider_add(win);
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elm_object_tooltip_text_set(sl, "This is the min amount of inertia a<br/>"
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"scroller will impose at self scrolling<br/>"
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"animations");
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evas_object_data_set(win, "thumbscroll_min_friction_slider", sl);
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evas_object_size_hint_weight_set(sl, EVAS_HINT_EXPAND, 0.0);
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evas_object_size_hint_align_set(sl, EVAS_HINT_FILL, 0.5);
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elm_slider_span_size_set(sl, 120);
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elm_slider_unit_format_set(sl, "%1.1f");
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elm_slider_indicator_format_set(sl, "%1.1f");
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elm_slider_min_max_set(sl, 0.0, 15.0);
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elm_slider_value_set(sl, elm_config_scroll_thumbscroll_min_friction_get());
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elm_box_pack_end(bx, sl);
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evas_object_show(sl);
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evas_object_smart_callback_add(sl, "changed", tsmf_round, NULL);
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evas_object_smart_callback_add(sl, "delay,changed", tsmf_change, NULL);
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LABEL_FRAME_ADD("<hilight>Thumb scroll friction standard</>");
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sl = elm_slider_add(win);
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elm_object_tooltip_text_set(sl, "This is the standard velocity of the scroller."
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"<br/>The scroll animation time is same<br/>"
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"with thumbscroll friction, if the velocity"
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"<br/>is same with standard velocity.");
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evas_object_data_set(win, "thumbscroll_friction_standard_slider", sl);
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evas_object_size_hint_weight_set(sl, EVAS_HINT_EXPAND, 0.0);
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evas_object_size_hint_align_set(sl, EVAS_HINT_FILL, 0.5);
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elm_slider_span_size_set(sl, 120);
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elm_slider_unit_format_set(sl, "%1.0f pixel/s");
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elm_slider_indicator_format_set(sl, "%1.0f");
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elm_slider_min_max_set(sl, 10.0, 5000.0);
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elm_slider_value_set(sl, elm_config_scroll_thumbscroll_friction_standard_get());
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elm_box_pack_end(bx, sl);
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evas_object_show(sl);
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evas_object_smart_callback_add(sl, "changed", tsfs_round, NULL);
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evas_object_smart_callback_add(sl, "delay,changed", tsfs_change, NULL);
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LABEL_FRAME_ADD("<hilight>Thumb scroll border friction</>");
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sl = elm_slider_add(win);
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@ -354,6 +354,8 @@ _desc_init(void)
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ELM_CONFIG_VAL(D, T, thumbscroll_hold_threshold, T_INT);
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ELM_CONFIG_VAL(D, T, thumbscroll_momentum_threshold, T_DOUBLE);
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ELM_CONFIG_VAL(D, T, thumbscroll_friction, T_DOUBLE);
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ELM_CONFIG_VAL(D, T, thumbscroll_min_friction, T_DOUBLE);
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ELM_CONFIG_VAL(D, T, thumbscroll_friction_standard, T_DOUBLE);
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ELM_CONFIG_VAL(D, T, thumbscroll_bounce_friction, T_DOUBLE);
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ELM_CONFIG_VAL(D, T, thumbscroll_border_friction, T_DOUBLE);
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ELM_CONFIG_VAL(D, T, thumbscroll_sensitivity_friction, T_DOUBLE);
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@ -1064,6 +1066,8 @@ _config_load(void)
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_elm_config->thumbscroll_hold_threshold = 24;
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_elm_config->thumbscroll_momentum_threshold = 100.0;
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_elm_config->thumbscroll_friction = 1.0;
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_elm_config->thumbscroll_min_friction = 0.5;
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_elm_config->thumbscroll_friction_standard = 1000.0;
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_elm_config->thumbscroll_bounce_friction = 0.5;
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_elm_config->thumbscroll_bounce_enable = EINA_TRUE;
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_elm_config->thumbscroll_acceleration_threshold = 500.0;
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@ -1483,6 +1487,10 @@ _env_get(void)
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if (s) _elm_config->thumbscroll_momentum_threshold = _elm_atof(s);
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s = getenv("ELM_THUMBSCROLL_FRICTION");
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if (s) _elm_config->thumbscroll_friction = _elm_atof(s);
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s = getenv("ELM_THUMBSCROLL_MIN_FRICTION");
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if (s) _elm_config->thumbscroll_min_friction = _elm_atof(s);
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s = getenv("ELM_THUMBSCROLL_FRICTION_STANDARD");
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if (s) _elm_config->thumbscroll_friction_standard = _elm_atof(s);
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s = getenv("ELM_THUMBSCROLL_BOUNCE_ENABLE");
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if (s) _elm_config->thumbscroll_bounce_enable = !!atoi(s);
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s = getenv("ELM_THUMBSCROLL_BOUNCE_FRICTION");
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@ -2157,6 +2165,30 @@ elm_config_scroll_thumbscroll_friction_set(double friction)
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_elm_config->thumbscroll_friction = friction;
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}
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EAPI double
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elm_config_scroll_thumbscroll_min_friction_get(void)
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{
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return _elm_config->thumbscroll_min_friction;
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}
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EAPI void
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elm_config_scroll_thumbscroll_min_friction_set(double friction)
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{
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_elm_config->thumbscroll_min_friction = friction;
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}
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EAPI double
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elm_config_scroll_thumbscroll_friction_standard_get(void)
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{
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return _elm_config->thumbscroll_friction_standard;
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}
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EAPI void
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elm_config_scroll_thumbscroll_friction_standard_set(double standard)
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{
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_elm_config->thumbscroll_friction_standard = standard;
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}
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EAPI double
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elm_config_scroll_thumbscroll_border_friction_get(void)
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{
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@ -370,6 +370,50 @@ EAPI double elm_config_scroll_thumbscroll_friction_get(void);
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*/
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EAPI void elm_config_scroll_thumbscroll_friction_set(double friction);
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/**
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* Get the min amount of inertia a scroller will impose at self scrolling
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* animations.
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*
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* @return the thumb scroll min friction
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*
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* @ingroup Scrolling
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*/
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EAPI double elm_config_scroll_thumbscroll_min_friction_get(void);
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/**
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* Set the min amount of inertia a scroller will impose at self scrolling
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* animations.
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*
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* @param friction the thumb scroll min friction
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*
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* @see elm_config_thumbscroll_min_friction_get()
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* @ingroup Scrolling
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*/
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EAPI void elm_config_scroll_thumbscroll_min_friction_set(double friction);
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/**
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* Get the standard velocity of the scroller. The scroll animation time is
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* same with thumbscroll friction, if the velocity is same with standard
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* velocity.
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*
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* @return the thumb scroll friction
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*
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* @ingroup Scrolling
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*/
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EAPI double elm_config_scroll_thumbscroll_friction_standard_get(void);
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/**
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* Set the standard velocity of the scroller. The scroll animation time is
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* same with thumbscroll friction, if the velocity is same with standard
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* velocity.
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*
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* @param friction the thumb scroll friction standard
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*
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* @see elm_config_thumbscroll_friction_standard_get()
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* @ingroup Scrolling
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*/
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EAPI void elm_config_scroll_thumbscroll_friction_standard_set(double standard);
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/**
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* Get the amount of lag between your actual mouse cursor dragging
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* movement and a scroller's view movement itself, while pushing it
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@ -1966,7 +1966,7 @@ _paging_is_enabled(Elm_Scrollable_Smart_Interface_Data *sid)
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static Eina_Bool
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_elm_scroll_momentum_animator(void *data)
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{
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double t, dt, p;
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double t, at, dt, p, r;
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Elm_Scrollable_Smart_Interface_Data *sid = data;
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Evas_Coord x, y, dx, dy, px, py, maxx, maxy, minx, miny;
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Eina_Bool no_bounce_x_end = EINA_FALSE, no_bounce_y_end = EINA_FALSE;
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@ -1977,7 +1977,14 @@ _elm_scroll_momentum_animator(void *data)
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dt = t - sid->down.anim_start;
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if (dt >= 0.0)
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{
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dt = dt / (_elm_config->thumbscroll_friction + sid->down.extra_time);
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r = _elm_config->thumbscroll_min_friction / _elm_config->thumbscroll_friction;
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at = (double)sqrt(
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(sid->down.dx * sid->down.dx) + (sid->down.dy * sid->down.dy));
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at = at < ((1.0 - r) * _elm_config->thumbscroll_friction_standard) ?
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at : (1.0 - r) * _elm_config->thumbscroll_friction_standard;
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at = ((at / _elm_config->thumbscroll_friction_standard) + r) *
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(_elm_config->thumbscroll_friction + sid->down.extra_time);
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dt = dt / at;
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if (dt > 1.0) dt = 1.0;
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p = 1.0 - ((1.0 - dt) * (1.0 - dt));
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dx = (sid->down.dx * (_elm_config->thumbscroll_friction +
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@ -162,6 +162,8 @@ struct _Elm_Config
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int thumbscroll_hold_threshold;
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double thumbscroll_momentum_threshold;
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double thumbscroll_friction;
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double thumbscroll_min_friction;
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double thumbscroll_friction_standard;
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double thumbscroll_bounce_friction;
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double thumbscroll_acceleration_threshold;
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double thumbscroll_acceleration_time_limit;
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