625 lines
19 KiB
C
625 lines
19 KiB
C
/**
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* @addtogroup Actionslider Actionslider
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*
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* A actionslider is a switcher for 3 labels with customizable
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* magnet properties. When the position is set with magnet, the knob
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* will be moved to it if it's nearest the magnetized position.
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*
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* Signals that you can add callbacks for are:
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*
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* "selected" - when user selects a position (the label is passed as
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* event info)".
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* "pos_changed" - when a button reaches to the special position like
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* "left", "right" and "center".
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*/
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#include <Elementary.h>
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#include <math.h>
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#include "elm_priv.h"
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typedef struct _Widget_Data Widget_Data;
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struct _Widget_Data
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{
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Evas_Object *as; // actionslider
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Evas_Object *drag_button_base;
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Elm_Actionslider_Pos magnet_position, enabled_position;
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const char *text_left, *text_right, *text_center;
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const char *indicator_label;
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Ecore_Animator *button_animator;
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double final_position;
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Eina_Bool mouse_down : 1;
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};
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static const char *widtype = NULL;
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static const char SIG_CHANGED[] = "pos_changed";
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static const char SIG_SELECTED[] = "selected";
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static const Evas_Smart_Cb_Description _signals[] =
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{
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{SIG_CHANGED, ""},
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{SIG_SELECTED, ""},
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{NULL, NULL}
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};
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static void
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_del_hook(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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if (wd->drag_button_base)
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{
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evas_object_del(wd->drag_button_base);
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wd->drag_button_base = NULL;
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}
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if (wd->text_left) eina_stringshare_del(wd->text_left);
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if (wd->text_right) eina_stringshare_del(wd->text_right);
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if (wd->text_center) eina_stringshare_del(wd->text_center);
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if (wd->indicator_label) eina_stringshare_del(wd->indicator_label);
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free(wd);
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}
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static Elm_Actionslider_Pos
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_get_pos_by_orientation(const Evas_Object *obj, Elm_Actionslider_Pos pos)
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{
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if (elm_widget_mirrored_get(obj))
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{
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switch (pos)
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{
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case ELM_ACTIONSLIDER_LEFT:
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pos = ELM_ACTIONSLIDER_RIGHT;
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break;
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case ELM_ACTIONSLIDER_RIGHT:
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pos = ELM_ACTIONSLIDER_LEFT;
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break;
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default:
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break;
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}
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}
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return pos;
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}
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static void
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_mirrored_set(Evas_Object *obj, Eina_Bool rtl)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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double pos;
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if (!wd) return;
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if (edje_object_mirrored_get(wd->as) == rtl)
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return;
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edje_object_mirrored_set(wd->as, rtl);
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if (!elm_widget_mirrored_get(obj))
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{
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edje_object_part_text_set(wd->as, "elm.text.left", wd->text_left);
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edje_object_part_text_set(wd->as, "elm.text.right", wd->text_right);
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}
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else
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{
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edje_object_part_text_set(wd->as, "elm.text.left", wd->text_right);
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edje_object_part_text_set(wd->as, "elm.text.right", wd->text_left);
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}
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edje_object_part_drag_value_get(wd->as, "elm.drag_button_base", &pos, NULL);
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edje_object_part_drag_value_set(wd->as, "elm.drag_button_base", 1.0 - pos, 0.5);
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}
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static void
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_sizing_eval(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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Evas_Coord minw = -1, minh = -1;
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if (!wd) return;
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elm_coords_finger_size_adjust(1, &minw, 1, &minh);
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evas_object_size_hint_min_set(wd->drag_button_base, minw, minh);
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evas_object_size_hint_max_set(wd->drag_button_base, -1, -1);
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minw = -1;
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minh = -1;
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elm_coords_finger_size_adjust(3, &minw, 1, &minh);
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edje_object_size_min_restricted_calc(wd->as, &minw, &minh, minw, minh);
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evas_object_size_hint_min_set(obj, minw, minh);
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evas_object_size_hint_max_set(obj, -1, -1);
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}
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static void
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_theme_hook(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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_elm_widget_mirrored_reload(obj);
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if (!edje_object_part_swallow_get(wd->as, "elm.drag_button_base"))
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edje_object_part_unswallow(wd->as, wd->drag_button_base);
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_elm_theme_object_set(obj, wd->as, "actionslider",
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"base", elm_widget_style_get(obj));
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_elm_theme_object_set(obj, wd->drag_button_base, "actionslider",
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"drag_button", elm_widget_style_get(obj));
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edje_object_part_swallow(wd->as, "elm.drag_button_base", wd->drag_button_base);
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_mirrored_set(obj, elm_widget_mirrored_get(obj));
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edje_object_part_text_set(wd->as, "elm.text.center", wd->text_center);
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edje_object_part_text_set(wd->as, "elm.text.indicator", wd->indicator_label);
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edje_object_message_signal_process(wd->as);
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_sizing_eval(obj);
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}
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static void
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_drag_button_down_cb(void *data, Evas_Object *o __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
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{
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Widget_Data *wd = elm_widget_data_get((Evas_Object *) data);
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if (!wd) return;
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wd->mouse_down = EINA_TRUE;
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}
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static void
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_drag_button_move_cb(void *data, Evas_Object *o __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
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{
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Evas_Object *obj = (Evas_Object *) data;
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Widget_Data *wd = elm_widget_data_get(obj);
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double pos = 0.0;
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if (!wd) return;
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if (!wd->mouse_down) return;
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edje_object_part_drag_value_get(wd->as, "elm.drag_button_base", &pos, NULL);
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if (pos == 0.0)
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evas_object_smart_callback_call(obj, SIG_CHANGED,
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(void *) ((!elm_widget_mirrored_get(obj)) ?
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"left" : "right"));
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else if (pos == 1.0)
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evas_object_smart_callback_call(obj, SIG_CHANGED,
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(void *) ((!elm_widget_mirrored_get(obj)) ?
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"right" : "left"));
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else if (pos >= 0.45 && pos <= 0.55)
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evas_object_smart_callback_call(obj, SIG_CHANGED, (void *)"center");
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}
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static Eina_Bool
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_button_animation(void *data)
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{
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Evas_Object *obj = data;
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Widget_Data *wd = elm_widget_data_get(obj);
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double cur_position = 0.0, new_position = 0.0;
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double move_amount = 0.05;
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Eina_Bool flag_finish_animation = EINA_FALSE;
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if (!wd) return EINA_FALSE;
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edje_object_part_drag_value_get(wd->as,
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"elm.drag_button_base", &cur_position, NULL);
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{
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double adjusted_final;
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adjusted_final = (!elm_widget_mirrored_get(obj)) ?
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wd->final_position : 1.0 - wd->final_position;
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if ((adjusted_final == 0.0) ||
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(adjusted_final == 0.5 && cur_position >= adjusted_final))
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{
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new_position = cur_position - move_amount;
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if (new_position <= adjusted_final)
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{
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new_position = adjusted_final;
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flag_finish_animation = EINA_TRUE;
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}
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}
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else if ((adjusted_final == 1.0) ||
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(adjusted_final == 0.5 && cur_position < adjusted_final))
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{
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new_position = cur_position + move_amount;
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if (new_position >= adjusted_final)
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{
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new_position = adjusted_final;
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flag_finish_animation = EINA_TRUE;
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}
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}
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edje_object_part_drag_value_set(wd->as,
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"elm.drag_button_base", new_position, 0.5);
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}
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if (flag_finish_animation)
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{
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if ((!wd->final_position) &&
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(wd->enabled_position & ELM_ACTIONSLIDER_LEFT))
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evas_object_smart_callback_call(data, SIG_SELECTED,
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(void *)wd->text_left);
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else if ((wd->final_position == 0.5) &&
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(wd->enabled_position & ELM_ACTIONSLIDER_CENTER))
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evas_object_smart_callback_call(data, SIG_SELECTED,
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(void *)wd->text_center);
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else if ((wd->final_position == 1) &&
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(wd->enabled_position & ELM_ACTIONSLIDER_RIGHT))
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evas_object_smart_callback_call(data, SIG_SELECTED,
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(void *)wd->text_right);
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return EINA_FALSE;
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}
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return EINA_TRUE;
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}
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static void
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_drag_button_up_cb(void *data, Evas_Object *o __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
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{
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Evas_Object *obj = (Evas_Object *) data;
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Widget_Data *wd = elm_widget_data_get(obj);
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double position = 0.0;
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if (!wd) return;
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wd->mouse_down = EINA_FALSE;
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edje_object_part_drag_value_get(wd->as, "elm.drag_button_base",
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&position, NULL);
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if ((wd->enabled_position & ELM_ACTIONSLIDER_LEFT) &&
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((!elm_widget_mirrored_get(obj) && position == 0.0) ||
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(elm_widget_mirrored_get(obj) && position == 1.0)))
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{
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wd->final_position = 0;
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evas_object_smart_callback_call(data, SIG_SELECTED,
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(void *) wd->text_left);
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return;
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}
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if (position >= 0.45 && position <= 0.55 &&
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(wd->enabled_position & ELM_ACTIONSLIDER_CENTER))
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{
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wd->final_position = 0.5;
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evas_object_smart_callback_call(data, SIG_SELECTED,
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(void *)wd->text_center);
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return;
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}
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if ((wd->enabled_position & ELM_ACTIONSLIDER_RIGHT) &&
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((!elm_widget_mirrored_get(obj) && position == 1.0) ||
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(elm_widget_mirrored_get(obj) && position == 0.0)))
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{
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wd->final_position = 1;
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evas_object_smart_callback_call(data, SIG_SELECTED,
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(void *) wd->text_right);
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return;
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}
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if (wd->magnet_position == ELM_ACTIONSLIDER_NONE) return;
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#define _FINAL_POS_BY_ORIENTATION(x) (x)
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#define _POS_BY_ORIENTATION(x) \
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((!elm_widget_mirrored_get(obj)) ? \
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x : 1.0 - x)
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position = _POS_BY_ORIENTATION(position);
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if (position < 0.3)
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{
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if (wd->magnet_position & ELM_ACTIONSLIDER_LEFT)
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wd->final_position = _FINAL_POS_BY_ORIENTATION(0);
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else if (wd->magnet_position & ELM_ACTIONSLIDER_CENTER)
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wd->final_position = 0.5;
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else if (wd->magnet_position & ELM_ACTIONSLIDER_RIGHT)
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wd->final_position = _FINAL_POS_BY_ORIENTATION(1);
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}
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else if ((position >= 0.3) && (position <= 0.7))
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{
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if (wd->magnet_position & ELM_ACTIONSLIDER_CENTER)
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wd->final_position = 0.5;
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else if (position < 0.5)
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{
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if (wd->magnet_position & ELM_ACTIONSLIDER_LEFT)
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wd->final_position = _FINAL_POS_BY_ORIENTATION(0);
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else
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wd->final_position = _FINAL_POS_BY_ORIENTATION(1);
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}
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else
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{
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if (wd->magnet_position & ELM_ACTIONSLIDER_RIGHT)
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wd->final_position = _FINAL_POS_BY_ORIENTATION(1);
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else
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wd->final_position = _FINAL_POS_BY_ORIENTATION(0);
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}
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}
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else
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{
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if (wd->magnet_position & ELM_ACTIONSLIDER_RIGHT)
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wd->final_position = _FINAL_POS_BY_ORIENTATION(1);
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else if (wd->magnet_position & ELM_ACTIONSLIDER_CENTER)
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wd->final_position = 0.5;
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else
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wd->final_position = _FINAL_POS_BY_ORIENTATION(0);
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}
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wd->button_animator = ecore_animator_add(_button_animation, data);
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#undef _FINAL_POS_BY_ORIENTATION
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}
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/**
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* Add a new actionslider to the parent.
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*
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* @param parent The parent object
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* @return The new actionslider object or NULL if it cannot be created
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*
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* @ingroup Actionslider
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*/
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EAPI Evas_Object *
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elm_actionslider_add(Evas_Object *parent)
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{
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Evas_Object *obj;
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Widget_Data *wd;
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Evas *e;
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ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
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ELM_SET_WIDTYPE(widtype, "actionslider");
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elm_widget_type_set(obj, "actionslider");
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elm_widget_sub_object_add(parent, obj);
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elm_widget_data_set(obj, wd);
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elm_widget_del_hook_set(obj, _del_hook);
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elm_widget_theme_hook_set(obj, _theme_hook);
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wd->mouse_down = EINA_FALSE;
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wd->enabled_position = ELM_ACTIONSLIDER_ALL;
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wd->as = edje_object_add(e);
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_elm_theme_object_set(obj, wd->as, "actionslider", "base", "default");
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elm_widget_resize_object_set(obj, wd->as);
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wd->drag_button_base = evas_object_rectangle_add(e);
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evas_object_color_set(wd->drag_button_base, 0, 0, 0, 0);
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edje_object_part_swallow(wd->as, "elm.drag_button_base", wd->drag_button_base);
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edje_object_signal_callback_add(wd->as,
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"elm.drag_button,mouse,up", "",
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_drag_button_up_cb, obj);
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edje_object_signal_callback_add(wd->as,
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"elm.drag_button,mouse,down", "",
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_drag_button_down_cb, obj);
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edje_object_signal_callback_add(wd->as,
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"elm.drag_button,mouse,move", "",
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_drag_button_move_cb, obj);
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evas_object_smart_callbacks_descriptions_set(obj, _signals);
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_mirrored_set(obj, elm_widget_mirrored_get(obj));
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_sizing_eval(obj);
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return obj;
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}
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/**
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* Set actionslider indicator position.
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*
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* @param obj The actionslider object.
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* @param pos The position of the indicator.
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*
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* @ingroup Actionslider
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*/
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EAPI void
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elm_actionslider_indicator_pos_set(Evas_Object *obj, Elm_Actionslider_Pos pos)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd = elm_widget_data_get(obj);
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double position = 0.0;
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if (!wd) return;
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pos = _get_pos_by_orientation(obj, pos);
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if (pos == ELM_ACTIONSLIDER_CENTER) position = 0.5;
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else if (pos == ELM_ACTIONSLIDER_RIGHT) position = 1.0;
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edje_object_part_drag_value_set(wd->as, "elm.drag_button_base", position, 0.5);
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}
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/**
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* Get actionslider indicator position.
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*
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* @param obj The actionslider object.
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* @return The position of the indicator.
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*
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* @ingroup Actionslider
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*/
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EAPI Elm_Actionslider_Pos
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elm_actionslider_indicator_pos_get(const Evas_Object *obj)
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{
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ELM_CHECK_WIDTYPE(obj, widtype) ELM_ACTIONSLIDER_NONE;
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Widget_Data *wd = elm_widget_data_get(obj);
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double position;
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if (!wd) return ELM_ACTIONSLIDER_NONE;
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edje_object_part_drag_value_get(wd->as, "elm.drag_button_base", &position, NULL);
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if (position < 0.3)
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return _get_pos_by_orientation(obj, ELM_ACTIONSLIDER_LEFT);
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else if (position < 0.7)
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return ELM_ACTIONSLIDER_CENTER;
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else
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return _get_pos_by_orientation(obj, ELM_ACTIONSLIDER_RIGHT);
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}
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/**
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* Set actionslider magnet position.
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*
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* @param obj The actionslider object.
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* @param pos Bit mask indicating the magnet positions.
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* Example: use (ELM_ACTIONSLIDER_LEFT | ELM_ACTIONSLIDER_RIGHT)
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* to put magnet property on both positions
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*
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* @ingroup Actionslider
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*/
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EAPI void
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elm_actionslider_magnet_pos_set(Evas_Object *obj, Elm_Actionslider_Pos pos)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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wd->magnet_position = pos;
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}
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/**
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* Get actionslider magnet position.
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*
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* @param obj The actionslider object.
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* @return The positions with magnet property.
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*
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* @ingroup Actionslider
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*/
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EAPI Elm_Actionslider_Pos
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elm_actionslider_magnet_pos_get(const Evas_Object *obj)
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{
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ELM_CHECK_WIDTYPE(obj, widtype) ELM_ACTIONSLIDER_NONE;
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return ELM_ACTIONSLIDER_NONE;
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return wd->magnet_position;
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}
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/**
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* Set actionslider enabled position.
|
|
*
|
|
* All the positions are enabled by default.
|
|
*
|
|
* @param obj The actionslider object.
|
|
* @param pos Bit mask indicating the enabled positions.
|
|
* Example: use (ELM_ACTIONSLIDER_LEFT | ELM_ACTIONSLIDER_RIGHT)
|
|
* to enable both positions, so the user can select it.
|
|
*
|
|
* @ingroup Actionslider
|
|
*/
|
|
EAPI void
|
|
elm_actionslider_enabled_pos_set(Evas_Object *obj, Elm_Actionslider_Pos pos)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
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|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return;
|
|
wd->enabled_position = pos;
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|
}
|
|
|
|
/**
|
|
* Get actionslider enabled position.
|
|
*
|
|
* All the positions are enabled by default.
|
|
*
|
|
* @param obj The actionslider object.
|
|
* @return The enabled positions.
|
|
*
|
|
* @ingroup Actionslider
|
|
*/
|
|
EAPI Elm_Actionslider_Pos
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|
elm_actionslider_enabled_pos_get(const Evas_Object *obj)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype) ELM_ACTIONSLIDER_NONE;
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return ELM_ACTIONSLIDER_NONE;
|
|
return wd->enabled_position;
|
|
}
|
|
|
|
/**
|
|
* Set actionslider labels.
|
|
*
|
|
* @param obj The actionslider object
|
|
* @param left_label The label which is going to be set.
|
|
* @param center_label The label which is going to be set.
|
|
* @param right_label The label which is going to be set.
|
|
*
|
|
* @ingroup Actionslider
|
|
*/
|
|
EAPI void
|
|
elm_actionslider_labels_set(Evas_Object *obj, const char *left_label, const char *center_label, const char *right_label)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return;
|
|
|
|
eina_stringshare_replace(&wd->text_left, left_label);
|
|
eina_stringshare_replace(&wd->text_center, center_label);
|
|
eina_stringshare_replace(&wd->text_right, right_label);
|
|
if (!elm_widget_mirrored_get(obj))
|
|
{
|
|
edje_object_part_text_set(wd->as, "elm.text.left", wd->text_left);
|
|
edje_object_part_text_set(wd->as, "elm.text.right", wd->text_right);
|
|
}
|
|
else
|
|
{
|
|
edje_object_part_text_set(wd->as, "elm.text.left", wd->text_right);
|
|
edje_object_part_text_set(wd->as, "elm.text.right", wd->text_left);
|
|
}
|
|
edje_object_part_text_set(wd->as, "elm.text.center", center_label);
|
|
}
|
|
|
|
/**
|
|
* Get actionslider labels.
|
|
*
|
|
* @param obj The actionslider object
|
|
* @param left_label A char** to place the left_label of @p obj into
|
|
* @param center_label A char** to place the center_label of @p obj into
|
|
* @param right_label A char** to place the right_label of @p obj into
|
|
*
|
|
* @ingroup Actionslider
|
|
*/
|
|
EAPI void
|
|
elm_actionslider_labels_get(const Evas_Object *obj, const char **left_label, const char **center_label, const char **right_label)
|
|
{
|
|
if (left_label) *left_label= NULL;
|
|
if (center_label) *center_label= NULL;
|
|
if (right_label) *right_label= NULL;
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return;
|
|
if (left_label) *left_label = wd->text_left;
|
|
if (center_label) *center_label = wd->text_center;
|
|
if (right_label) *right_label = wd->text_right;
|
|
}
|
|
|
|
/**
|
|
* Get actionslider selected label.
|
|
*
|
|
* @param obj The actionslider object
|
|
* @return The selected label
|
|
*
|
|
* @ingroup Actionslider
|
|
*/
|
|
EAPI const char *
|
|
elm_actionslider_selected_label_get(const Evas_Object *obj)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return NULL;
|
|
|
|
if ((wd->final_position == 0.0) &&
|
|
(wd->enabled_position & ELM_ACTIONSLIDER_LEFT))
|
|
return wd->text_left;
|
|
|
|
if ((wd->final_position == 0.5) &&
|
|
(wd->enabled_position & ELM_ACTIONSLIDER_CENTER))
|
|
return wd->text_center;
|
|
|
|
if ((wd->final_position == 1.0) &&
|
|
(wd->enabled_position & ELM_ACTIONSLIDER_RIGHT))
|
|
return wd->text_right;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Set the label used on the indicator object.
|
|
*
|
|
* @param obj The actionslider object
|
|
* @param label The label which is going to be set.
|
|
*
|
|
* @ingroup Actionslider
|
|
*/
|
|
EAPI void
|
|
elm_actionslider_indicator_label_set(Evas_Object *obj, const char *label)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return;
|
|
|
|
eina_stringshare_replace(&wd->indicator_label, label);
|
|
edje_object_part_text_set(wd->as, "elm.text.indicator", wd->indicator_label);
|
|
}
|
|
|
|
/**
|
|
* Get the label used on the indicator object.
|
|
*
|
|
* @param obj The actionslider object
|
|
* @return The indicator label
|
|
*
|
|
* @ingroup Actionslider
|
|
*/
|
|
EAPI const char *
|
|
elm_actionslider_indicator_label_get(Evas_Object *obj)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return NULL;
|
|
return wd->indicator_label;
|
|
}
|