557 lines
15 KiB
C
557 lines
15 KiB
C
#include <Elementary.h>
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#include <math.h>
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#include "elm_priv.h"
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#include "elm_widget_actionslider.h"
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EAPI const char ELM_ACTIONSLIDER_SMART_NAME[] = "elm_actionslider";
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static const Elm_Layout_Part_Alias_Description _text_aliases[] =
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{
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{"indicator", "elm.text.indicator"},
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{"left", "elm.text.left"},
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{"right", "elm.text.right"},
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{"center", "elm.text.center"},
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{NULL, NULL}
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};
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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 _smart_callbacks[] =
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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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EVAS_SMART_SUBCLASS_NEW
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(ELM_ACTIONSLIDER_SMART_NAME, _elm_actionslider,
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Elm_Actionslider_Smart_Class, Elm_Layout_Smart_Class,
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elm_layout_smart_class_get, _smart_callbacks);
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static Elm_Actionslider_Pos
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_get_pos_by_orientation(const Evas_Object *obj,
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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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_elm_actionslider_smart_sizing_eval(Evas_Object *obj)
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{
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Evas_Coord minw = -1, minh = -1;
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ELM_ACTIONSLIDER_DATA_GET(obj, sd);
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elm_coords_finger_size_adjust(1, &minw, 1, &minh);
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evas_object_size_hint_min_set(sd->drag_button_base, minw, minh);
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evas_object_size_hint_max_set(sd->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
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(ELM_WIDGET_DATA(sd)->resize_obj, &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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_mirroredness_change_eval(Evas_Object *obj)
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{
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double pos;
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char *left;
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ELM_ACTIONSLIDER_DATA_GET(obj, sd);
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left = (char *)elm_layout_text_get(obj, "elm.text.left");
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if (left) left = strdup(left);
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elm_layout_text_set
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(obj, "elm.text.left", elm_layout_text_get(obj, "elm.text.right"));
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elm_layout_text_set(obj, "elm.text.right", left);
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free(left);
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edje_object_part_drag_value_get
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(ELM_WIDGET_DATA(sd)->resize_obj, "elm.drag_button_base", &pos, NULL);
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edje_object_part_drag_value_set
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(ELM_WIDGET_DATA(sd)->resize_obj, "elm.drag_button_base", 1.0 - pos, 0.5);
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}
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static Eina_Bool
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_elm_actionslider_smart_theme(Evas_Object *obj)
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{
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Eina_Bool mirrored;
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ELM_ACTIONSLIDER_DATA_GET(obj, sd);
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mirrored = elm_object_mirrored_get(obj);
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if (!ELM_WIDGET_CLASS(_elm_actionslider_parent_sc)->theme(obj))
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return EINA_FALSE;
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if (elm_object_mirrored_get(obj) != mirrored)
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_mirroredness_change_eval(obj);
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edje_object_message_signal_process(ELM_WIDGET_DATA(sd)->resize_obj);
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return EINA_TRUE;
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}
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static void
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_drag_button_down_cb(void *data,
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Evas_Object *o __UNUSED__,
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const char *emission __UNUSED__,
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const char *source __UNUSED__)
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{
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Elm_Actionslider_Smart_Data *sd = data;
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sd->mouse_down = EINA_TRUE;
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}
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static void
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_drag_button_move_cb(void *data,
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Evas_Object *o __UNUSED__,
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const char *emission __UNUSED__,
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const char *source __UNUSED__)
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{
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Evas_Object *obj = data;
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double pos = 0.0;
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ELM_ACTIONSLIDER_DATA_GET(obj, sd);
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if (!sd->mouse_down) return;
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edje_object_part_drag_value_get
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(ELM_WIDGET_DATA(sd)->resize_obj, "elm.drag_button_base", &pos, NULL);
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if (pos == 0.0)
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evas_object_smart_callback_call
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(obj, SIG_CHANGED, !elm_widget_mirrored_get(obj) ? "left" : "right");
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else if (pos == 1.0)
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evas_object_smart_callback_call
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(obj, SIG_CHANGED, !elm_widget_mirrored_get(obj) ? "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, "center");
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}
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static void
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_text_get(const Evas_Object *obj,
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const char **left,
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const char **right,
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const char **center)
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{
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/* mirroredness already evaluated by the two calls below */
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*left = elm_layout_text_get(obj, "left");
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*right = elm_layout_text_get(obj, "right");
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*center = elm_layout_text_get(obj, "center");
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}
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static Eina_Bool
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_button_animator(void *data)
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{
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Evas_Object *obj = data;
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double move_amount = 0.05;
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Eina_Bool flag_finish_animation = EINA_FALSE;
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double cur_position = 0.0, new_position = 0.0;
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ELM_ACTIONSLIDER_DATA_GET(obj, sd);
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edje_object_part_drag_value_get
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(ELM_WIDGET_DATA(sd)->resize_obj, "elm.drag_button_base",
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&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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sd->final_position : 1.0 - sd->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
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(ELM_WIDGET_DATA(sd)->resize_obj, "elm.drag_button_base",
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new_position, 0.5);
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}
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if (flag_finish_animation)
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{
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const char *left, *right, *center;
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_text_get(obj, &left, &right, ¢er);
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if ((!sd->final_position) &&
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(sd->enabled_position & ELM_ACTIONSLIDER_LEFT))
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evas_object_smart_callback_call(obj, SIG_SELECTED, (char *)left);
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else if ((sd->final_position == 0.5) &&
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(sd->enabled_position & ELM_ACTIONSLIDER_CENTER))
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evas_object_smart_callback_call(obj, SIG_SELECTED, (char *)center);
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else if ((sd->final_position == 1) &&
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(sd->enabled_position & ELM_ACTIONSLIDER_RIGHT))
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evas_object_smart_callback_call(obj, SIG_SELECTED, (char *)right);
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sd->button_animator = NULL;
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return ECORE_CALLBACK_CANCEL;
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}
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return ECORE_CALLBACK_RENEW;
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}
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static void
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_drag_button_up_cb(void *data,
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Evas_Object *o __UNUSED__,
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const char *emission __UNUSED__,
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const char *source __UNUSED__)
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{
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Evas_Object *obj = data;
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double position = 0.0;
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ELM_ACTIONSLIDER_DATA_GET(obj, sd);
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sd->mouse_down = EINA_FALSE;
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edje_object_part_drag_value_get
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(ELM_WIDGET_DATA(sd)->resize_obj, "elm.drag_button_base", &position,
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NULL);
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const char *left, *right, *center;
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_text_get(obj, &left, &right, ¢er);
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if ((sd->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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sd->final_position = 0;
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evas_object_smart_callback_call(obj, SIG_SELECTED, (char *)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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(sd->enabled_position & ELM_ACTIONSLIDER_CENTER))
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{
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sd->final_position = 0.5;
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evas_object_smart_callback_call(obj, SIG_SELECTED, (char *)center);
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if (sd->button_animator) ecore_animator_del(sd->button_animator);
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sd->button_animator = ecore_animator_add(_button_animator, obj);
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return;
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}
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if ((sd->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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sd->final_position = 1;
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evas_object_smart_callback_call(obj, SIG_SELECTED, (char *)right);
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return;
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}
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if (sd->magnet_position == ELM_ACTIONSLIDER_NONE) return;
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#define _FIX_POS_ON_MIRROREDNESS(x) \
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((!elm_widget_mirrored_get(obj)) ? x : 1.0 - x)
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position = _FIX_POS_ON_MIRROREDNESS(position);
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if (position < 0.3)
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{
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if (sd->magnet_position & ELM_ACTIONSLIDER_LEFT)
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sd->final_position = 0;
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else if (sd->magnet_position & ELM_ACTIONSLIDER_CENTER)
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sd->final_position = 0.5;
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else if (sd->magnet_position & ELM_ACTIONSLIDER_RIGHT)
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sd->final_position = 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 (sd->magnet_position & ELM_ACTIONSLIDER_CENTER)
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sd->final_position = 0.5;
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else if (position < 0.5)
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{
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if (sd->magnet_position & ELM_ACTIONSLIDER_LEFT)
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sd->final_position = 0;
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else
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sd->final_position = 1;
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}
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else
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{
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if (sd->magnet_position & ELM_ACTIONSLIDER_RIGHT)
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sd->final_position = 1;
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else
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sd->final_position = 0;
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}
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}
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else
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{
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if (sd->magnet_position & ELM_ACTIONSLIDER_RIGHT)
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sd->final_position = 1;
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else if (sd->magnet_position & ELM_ACTIONSLIDER_CENTER)
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sd->final_position = 0.5;
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else
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sd->final_position = 0;
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}
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if (sd->button_animator) ecore_animator_del(sd->button_animator);
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sd->button_animator = ecore_animator_add(_button_animator, obj);
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#undef _FINAL_FIX_POS_ON_MIRROREDNESS
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}
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static void
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_mirrored_part_fix(const Evas_Object *obj,
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const char **part)
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{
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if (elm_widget_mirrored_get(obj))
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{
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/* exchange left and right */
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if (!strcmp(*part, "left")) *part = "right";
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else if (!strcmp(*part, "right"))
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*part = "left";
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else if (!strcmp(*part, "elm.text.right"))
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*part = "elm.text.left";
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else if (!strcmp(*part, "elm.text.left"))
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*part = "elm.text.right";
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}
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}
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static Eina_Bool
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_elm_actionslider_smart_text_set(Evas_Object *obj,
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const char *item,
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const char *label)
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{
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_mirrored_part_fix(obj, &item);
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return _elm_actionslider_parent_sc->text_set(obj, item, label);
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}
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static const char *
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_elm_actionslider_smart_text_get(const Evas_Object *obj,
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const char *item)
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{
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_mirrored_part_fix(obj, &item);
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return _elm_actionslider_parent_sc->text_get(obj, item);
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}
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static void
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_elm_actionslider_smart_add(Evas_Object *obj)
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{
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EVAS_SMART_DATA_ALLOC(obj, Elm_Actionslider_Smart_Data);
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ELM_WIDGET_CLASS(_elm_actionslider_parent_sc)->base.add(obj);
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priv->mouse_down = EINA_FALSE;
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priv->enabled_position = ELM_ACTIONSLIDER_ALL;
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priv->drag_button_base =
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evas_object_rectangle_add(evas_object_evas_get(obj));
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evas_object_color_set(priv->drag_button_base, 0, 0, 0, 0);
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edje_object_signal_callback_add
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(ELM_WIDGET_DATA(priv)->resize_obj, "elm.drag_button,mouse,up", "",
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_drag_button_up_cb, obj);
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edje_object_signal_callback_add
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(ELM_WIDGET_DATA(priv)->resize_obj, "elm.drag_button,mouse,down", "",
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_drag_button_down_cb, priv);
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edje_object_signal_callback_add
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(ELM_WIDGET_DATA(priv)->resize_obj, "elm.drag_button,mouse,move", "",
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_drag_button_move_cb, obj);
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elm_layout_theme_set
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(obj, "actionslider", "base", elm_widget_style_get(obj));
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elm_layout_content_set(obj, "elm.drag_button_base", priv->drag_button_base);
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elm_layout_sizing_eval(obj);
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}
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static void
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_elm_actionslider_smart_set_user(Elm_Actionslider_Smart_Class *sc)
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{
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ELM_WIDGET_CLASS(sc)->base.add = _elm_actionslider_smart_add;
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/* not a 'focus chain manager' */
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ELM_WIDGET_CLASS(sc)->focus_next = NULL;
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ELM_WIDGET_CLASS(sc)->focus_direction = NULL;
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ELM_WIDGET_CLASS(sc)->theme = _elm_actionslider_smart_theme;
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ELM_LAYOUT_CLASS(sc)->sizing_eval = _elm_actionslider_smart_sizing_eval;
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ELM_LAYOUT_CLASS(sc)->text_set = _elm_actionslider_smart_text_set;
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ELM_LAYOUT_CLASS(sc)->text_get = _elm_actionslider_smart_text_get;
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ELM_LAYOUT_CLASS(sc)->text_aliases = _text_aliases;
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}
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EAPI const Elm_Actionslider_Smart_Class *
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elm_actionslider_smart_class_get(void)
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{
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static Elm_Actionslider_Smart_Class _sc =
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ELM_ACTIONSLIDER_SMART_CLASS_INIT_NAME_VERSION
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(ELM_ACTIONSLIDER_SMART_NAME);
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static const Elm_Actionslider_Smart_Class *class = NULL;
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Evas_Smart_Class *esc = (Evas_Smart_Class *)&_sc;
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if (class)
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return class;
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_elm_actionslider_smart_set(&_sc);
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esc->callbacks = _smart_callbacks;
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class = &_sc;
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return class;
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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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EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
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obj = elm_widget_add(_elm_actionslider_smart_class_new(), parent);
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if (!obj) return NULL;
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if (!elm_widget_sub_object_add(parent, obj))
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ERR("could not add %p as sub object of %p", obj, parent);
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return obj;
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}
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EAPI void
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elm_actionslider_indicator_pos_set(Evas_Object *obj,
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Elm_Actionslider_Pos pos)
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{
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double position = 0.0;
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ELM_ACTIONSLIDER_CHECK(obj);
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ELM_ACTIONSLIDER_DATA_GET(obj, sd);
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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)
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position = 1.0;
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edje_object_part_drag_value_set
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(ELM_WIDGET_DATA(sd)->resize_obj, "elm.drag_button_base", position, 0.5);
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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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double position;
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ELM_ACTIONSLIDER_CHECK(obj) ELM_ACTIONSLIDER_NONE;
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ELM_ACTIONSLIDER_DATA_GET(obj, sd);
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edje_object_part_drag_value_get
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(ELM_WIDGET_DATA(sd)->resize_obj, "elm.drag_button_base", &position,
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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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|
|
|
EAPI void
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|
elm_actionslider_magnet_pos_set(Evas_Object *obj,
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|
Elm_Actionslider_Pos pos)
|
|
{
|
|
ELM_ACTIONSLIDER_CHECK(obj);
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|
ELM_ACTIONSLIDER_DATA_GET(obj, sd);
|
|
|
|
sd->magnet_position = pos;
|
|
}
|
|
|
|
EAPI Elm_Actionslider_Pos
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|
elm_actionslider_magnet_pos_get(const Evas_Object *obj)
|
|
{
|
|
ELM_ACTIONSLIDER_CHECK(obj) ELM_ACTIONSLIDER_NONE;
|
|
ELM_ACTIONSLIDER_DATA_GET(obj, sd);
|
|
|
|
return sd->magnet_position;
|
|
}
|
|
|
|
EAPI void
|
|
elm_actionslider_enabled_pos_set(Evas_Object *obj,
|
|
Elm_Actionslider_Pos pos)
|
|
{
|
|
ELM_ACTIONSLIDER_CHECK(obj);
|
|
ELM_ACTIONSLIDER_DATA_GET(obj, sd);
|
|
|
|
sd->enabled_position = pos;
|
|
}
|
|
|
|
EAPI Elm_Actionslider_Pos
|
|
elm_actionslider_enabled_pos_get(const Evas_Object *obj)
|
|
{
|
|
ELM_ACTIONSLIDER_CHECK(obj) ELM_ACTIONSLIDER_NONE;
|
|
ELM_ACTIONSLIDER_DATA_GET(obj, sd);
|
|
|
|
return sd->enabled_position;
|
|
}
|
|
|
|
EAPI const char *
|
|
elm_actionslider_selected_label_get(const Evas_Object *obj)
|
|
{
|
|
const char *left, *right, *center;
|
|
|
|
ELM_ACTIONSLIDER_CHECK(obj) NULL;
|
|
ELM_ACTIONSLIDER_DATA_GET(obj, sd);
|
|
|
|
_text_get(obj, &left, &right, ¢er);
|
|
|
|
if ((sd->final_position == 0.0) &&
|
|
(sd->enabled_position & ELM_ACTIONSLIDER_LEFT))
|
|
return left;
|
|
|
|
if ((sd->final_position == 0.5) &&
|
|
(sd->enabled_position & ELM_ACTIONSLIDER_CENTER))
|
|
return center;
|
|
|
|
if ((sd->final_position == 1.0) &&
|
|
(sd->enabled_position & ELM_ACTIONSLIDER_RIGHT))
|
|
return right;
|
|
|
|
return NULL;
|
|
}
|