forked from enlightenment/enlightenment
345 lines
8.7 KiB
C
345 lines
8.7 KiB
C
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/*
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* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
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*/
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#include "e.h"
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#define SMART_NAME "e_slidecore"
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#define API_ENTRY E_Smart_Data *sd; sd = evas_object_smart_data_get(obj); if ((!obj) || (!sd) || (evas_object_type_get(obj) && strcmp(evas_object_type_get(obj), SMART_NAME)))
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#define INTERNAL_ENTRY E_Smart_Data *sd; sd = evas_object_smart_data_get(obj); if (!sd) return;
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typedef struct _E_Smart_Data E_Smart_Data;
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typedef struct _E_Smart_Item E_Smart_Item;
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struct _E_Smart_Data
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{
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Evas_Coord x, y, w, h;
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Evas_Object *smart_obj;
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Evas_Object *event_obj;
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Evas_Object *o1, *o2;
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Evas_List *items;
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Evas_Coord dist, pos;
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int p1, p2, pn;
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unsigned char down : 1;
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};
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struct _E_Smart_Item
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{
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const char *label;
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const char *icon;
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void (*func) (void *data);
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void *data;
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};
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/* local subsystem functions */
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static void _e_smart_event_mouse_down(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _e_smart_event_mouse_up(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _e_smart_event_mouse_move(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _e_smart_reconfigure(E_Smart_Data *sd);
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static void _e_smart_add(Evas_Object *obj);
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static void _e_smart_del(Evas_Object *obj);
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static void _e_smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y);
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static void _e_smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h);
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static void _e_smart_show(Evas_Object *obj);
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static void _e_smart_hide(Evas_Object *obj);
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static void _e_smart_color_set(Evas_Object *obj, int r, int g, int b, int a);
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static void _e_smart_clip_set(Evas_Object *obj, Evas_Object * clip);
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static void _e_smart_clip_unset(Evas_Object *obj);
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static void _e_smart_init(void);
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/* local subsystem globals */
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static Evas_Smart *_e_smart = NULL;
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/* externally accessible functions */
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EAPI Evas_Object *
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e_slidecore_add(Evas *evas)
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{
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_e_smart_init();
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return evas_object_smart_add(evas, _e_smart);
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}
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EAPI void
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e_slidecore_item_distance_set(Evas_Object *obj, Evas_Coord dist)
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{
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API_ENTRY return;
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if (dist < 1) dist = 1;
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sd->dist = dist;
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_e_smart_reconfigure(sd);
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}
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EAPI void
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e_slidecore_item_add(Evas_Object *obj, const char *label, const char *icon, void (*func) (void *data), void *data)
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{
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E_Smart_Item *it;
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API_ENTRY return;
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it = calloc(1, sizeof(E_Smart_Item));
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if (!it) return;
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if (label) it->label = evas_stringshare_add(label);
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if (icon) it->icon = evas_stringshare_add(icon);
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it->func = func;
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it->data = data;
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sd->items = evas_list_append(sd->items, it);
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_e_smart_reconfigure(sd);
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}
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EAPI void
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e_slidecore_jump(Evas_Object *obj, int num)
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{
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API_ENTRY return;
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_e_smart_reconfigure(sd);
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}
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/* local subsystem functions */
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static void
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_e_smart_event_mouse_down(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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Evas_Event_Mouse_Down *ev;
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E_Smart_Data *sd;
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sd = data;
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ev = event_info;
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if (ev->button == 1) sd->down = 1;
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}
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static void
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_e_smart_event_mouse_up(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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Evas_Event_Mouse_Down *ev;
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E_Smart_Data *sd;
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sd = data;
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ev = event_info;
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if (ev->button == 1) sd->down = 0;
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}
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static void
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_e_smart_event_mouse_move(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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Evas_Event_Mouse_Move *ev;
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E_Smart_Data *sd;
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sd = data;
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ev = event_info;
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if (!sd->down) return;
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sd->pos += ev->cur.canvas.x - ev->prev.canvas.x;
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_e_smart_reconfigure(sd);
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}
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static void
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_e_smart_reconfigure(E_Smart_Data *sd)
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{
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Evas_Coord dp, pos;
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int p1, p2, at, pl1, pl2, n;
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int r, g, b, a;
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evas_object_move(sd->event_obj, sd->x, sd->y);
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evas_object_resize(sd->event_obj, sd->w, sd->h);
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pos = sd->pos;
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n = evas_list_count(sd->items);
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while (pos < 0) pos += (sd->dist * n);
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p1 = pos / sd->dist;
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p2 = (pos + sd->dist) / sd->dist;
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dp = pos - (p1 * sd->dist);
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at = (dp * 255) / (sd->dist - 1);
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printf("? %i %i | %i : %i # %i\n", p1, p2, dp, at, pos);
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while ((p1 < 0) || (p2 < 0))
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{
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p1 += n;
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p2 += n;
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at += 255;
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dp += sd->dist;
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}
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printf("??? %i %i | %i : %i # %i\n", p1, p2, dp, at, pos);
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if ((sd->p1 != p1) || (sd->p2 != p2) || (sd->pn != n))
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{
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E_Smart_Item *it1, *it2;
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/* FIXME: delete old o1, o2, create new o1, o2 */
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sd->pn = n;
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if (n > 0)
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{
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sd->p1 = p1;
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sd->p2 = p2;
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if (sd->o1) evas_object_del(sd->o1);
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if (sd->o2) evas_object_del(sd->o2);
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sd->o1 = NULL;
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sd->o2 = NULL;
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pl1 = sd->p1 % n;
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pl2 = sd->p2 % n;
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printf("## %i -> %i | %i -> %i ||| %i\n", p1, pl1, p2, pl2, dp);
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it1 = evas_list_nth(sd->items, pl1);
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it2 = evas_list_nth(sd->items, pl2);
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if (it1 && it2)
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{
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sd->o1 = e_util_icon_theme_icon_add(it1->icon, "480x480",
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evas_object_evas_get(sd->smart_obj));
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if (sd->o1)
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{
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evas_object_stack_below(sd->o1, sd->event_obj);
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evas_object_pass_events_set(sd->o1, 1);
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evas_object_smart_member_add(sd->o1, sd->smart_obj);
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e_icon_fill_inside_set(sd->o1, 0);
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evas_object_clip_set(sd->o1, evas_object_clip_get(sd->smart_obj));
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evas_object_show(sd->o1);
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}
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sd->o2 = e_util_icon_theme_icon_add(it2->icon, "480x480",
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evas_object_evas_get(sd->smart_obj));
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if (sd->o2)
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{
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evas_object_stack_below(sd->o2, sd->event_obj);
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evas_object_pass_events_set(sd->o2, 1);
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evas_object_smart_member_add(sd->o2, sd->smart_obj);
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e_icon_fill_inside_set(sd->o2, 0);
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evas_object_clip_set(sd->o2, evas_object_clip_get(sd->smart_obj));
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evas_object_show(sd->o2);
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}
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if (a < 128)
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{
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if (it1->func) it1->func(it1->data);
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}
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else
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{
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if (it2->func) it2->func(it2->data);
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}
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}
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}
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}
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evas_object_color_get(sd->smart_obj, &r, &g, &b, &a);
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evas_object_move(sd->o1, sd->x - sd->dist + dp, sd->y);
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evas_object_resize(sd->o1, sd->w + sd->dist + sd->dist, sd->h);
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evas_object_color_set(sd->o1, r, g, b, a);
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evas_object_move(sd->o2, sd->x - sd->dist - sd->dist + dp, sd->y);
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evas_object_resize(sd->o2, sd->w + sd->dist + sd->dist, sd->h);
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evas_object_color_set(sd->o2, (r * at) / 255, (g * at) / 255, (b * at) / 255, (a * at) / 255);
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}
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static void
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_e_smart_add(Evas_Object *obj)
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{
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E_Smart_Data *sd;
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Evas_Object *o;
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sd = calloc(1, sizeof(E_Smart_Data));
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if (!sd) return;
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evas_object_smart_data_set(obj, sd);
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sd->smart_obj = obj;
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sd->x = 0;
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sd->y = 0;
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sd->w = 0;
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sd->h = 0;
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evas_object_propagate_events_set(obj, 0);
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sd->dist = 48;
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sd->pos = 0;
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sd->p1 = -1;
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sd->p2 = -1;
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o = evas_object_rectangle_add(evas_object_evas_get(obj));
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sd->event_obj = o;
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evas_object_color_set(o, 0, 0, 0, 0);
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evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _e_smart_event_mouse_down, sd);
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evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_UP, _e_smart_event_mouse_up, sd);
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evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_MOVE, _e_smart_event_mouse_move, sd);
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evas_object_smart_member_add(o, obj);
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evas_object_repeat_events_set(o, 1);
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}
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static void
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_e_smart_del(Evas_Object *obj)
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{
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INTERNAL_ENTRY;
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evas_object_del(sd->event_obj);
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free(sd);
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}
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static void
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_e_smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
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{
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INTERNAL_ENTRY;
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sd->x = x;
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sd->y = y;
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_e_smart_reconfigure(sd);
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}
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static void
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_e_smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
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{
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INTERNAL_ENTRY;
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sd->w = w;
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sd->h = h;
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_e_smart_reconfigure(sd);
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}
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static void
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_e_smart_show(Evas_Object *obj)
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{
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INTERNAL_ENTRY;
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evas_object_show(sd->event_obj);
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}
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static void
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_e_smart_hide(Evas_Object *obj)
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{
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INTERNAL_ENTRY;
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evas_object_hide(sd->event_obj);
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}
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static void
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_e_smart_color_set(Evas_Object *obj, int r, int g, int b, int a)
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{
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INTERNAL_ENTRY;
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if (sd->o1) evas_object_color_set(sd->o1, r, g, b, a);
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if (sd->o2) evas_object_color_set(sd->o2, r, g, b, a);
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}
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static void
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_e_smart_clip_set(Evas_Object *obj, Evas_Object * clip)
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{
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INTERNAL_ENTRY;
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evas_object_clip_set(sd->event_obj, clip);
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if (sd->o1) evas_object_clip_set(sd->o1, clip);
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if (sd->o2) evas_object_clip_set(sd->o2, clip);
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}
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static void
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_e_smart_clip_unset(Evas_Object *obj)
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{
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INTERNAL_ENTRY;
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evas_object_clip_unset(sd->event_obj);
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}
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/* never need to touch this */
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static void
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_e_smart_init(void)
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{
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if (_e_smart) return;
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{
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static const Evas_Smart_Class sc =
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{
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SMART_NAME,
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EVAS_SMART_CLASS_VERSION,
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_e_smart_add,
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_e_smart_del,
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_e_smart_move,
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_e_smart_resize,
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_e_smart_show,
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_e_smart_hide,
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_e_smart_color_set,
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_e_smart_clip_set,
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_e_smart_clip_unset,
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NULL
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};
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_e_smart = evas_smart_class_new(&sc);
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}
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}
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