forked from enlightenment/efl
405 lines
13 KiB
C
405 lines
13 KiB
C
#ifdef HAVE_CONFIG_H
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# include "elementary_config.h"
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#endif
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#include <Elementary.h>
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/* We zoom out to this value so we'll be able to use map and have a nice
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* resolution when zooming in. */
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#define BASE_ZOOM 0.5
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/* The amount of zoom to do when "lifting" objects. */
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#define LIFT_FACTOR 1.3
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/* The base size of the shadow image. */
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#define SHADOW_W 118
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#define SHADOW_H 118
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static double zoom_out_animation_duration = 0.4;
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struct _Photo_Object {
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Evas_Object *ic, *shadow;
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Evas_Object *hit;
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Evas_Object *gl;
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Elm_Transit *zoom_out;
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/* bx, by - current wanted coordinates of the photo object.
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* bw, bh - original size of the "ic" object.
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* dx, dy - Used to indicate the distance between the center point
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* where we put down our fingers (when started moving the item) to
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* the coords of the object, so we'll be able to calculate movement
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* correctly. */
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Evas_Coord bx, by, bw, bh, dx, dy;
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/* Because gesture layer only knows the amount of rotation/zoom we do
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* per gesture, we have to keep the current rotate/zoom factor and the
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* one that was before we started the gesture. */
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int base_rotate, rotate;
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double base_zoom, zoom;
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double shadow_zoom;
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};
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typedef struct _Photo_Object Photo_Object;
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/* This function applies the information from the Photo_Object to the actual
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* evas objects. Zoom/rotate factors and etc. */
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static void
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apply_changes(Photo_Object *po)
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{
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Evas_Map *map;
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map = evas_map_new(4);
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evas_map_point_coord_set(map, 0, po->bx, po->by, 0);
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evas_map_point_coord_set(map, 1, po->bx + po->bw, po->by, 0);
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evas_map_point_coord_set(map, 2, po->bx + po->bw, po->by + po->bh, 0);
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evas_map_point_coord_set(map, 3, po->bx, po->by + po->bh, 0);
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evas_map_point_image_uv_set(map, 0, 0, 0);
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evas_map_point_image_uv_set(map, 1, po->bw, 0);
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evas_map_point_image_uv_set(map, 2, po->bw, po->bh);
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evas_map_point_image_uv_set(map, 3, 0, po->bh);
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evas_map_util_rotate(map, po->rotate,
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po->bx + po->bw / 2, po->by + po->bh /2);
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evas_map_util_zoom(map, po->zoom, po->zoom,
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po->bx + po->bw / 2, po->by + po->bh /2);
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evas_object_map_enable_set(po->ic, EINA_TRUE);
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evas_object_map_set(po->ic, map);
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evas_object_anti_alias_set(po->ic, EINA_TRUE);
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{
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Evas_Map *shadow_map = evas_map_new(4);
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evas_map_point_coord_set(shadow_map, 0, po->bx, po->by, 0);
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evas_map_point_coord_set(shadow_map, 1, po->bx + po->bw, po->by, 0);
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evas_map_point_coord_set(shadow_map, 2, po->bx + po->bw, po->by + po->bh, 0);
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evas_map_point_coord_set(shadow_map, 3, po->bx, po->by + po->bh, 0);
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evas_map_point_image_uv_set(shadow_map, 0, 0, 0);
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evas_map_point_image_uv_set(shadow_map, 1, SHADOW_W, 0);
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evas_map_point_image_uv_set(shadow_map, 2, SHADOW_W, SHADOW_H);
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evas_map_point_image_uv_set(shadow_map, 3, 0, SHADOW_H);
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evas_map_util_rotate(shadow_map, po->rotate,
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po->bx + po->bw / 2, po->by + po->bh /2);
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evas_map_util_zoom(shadow_map, po->zoom * po->shadow_zoom,
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po->zoom * po->shadow_zoom,
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po->bx + (po->bw / 2), po->by + (po->bh / 2));
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evas_object_map_enable_set(po->shadow, EINA_TRUE);
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evas_object_map_set(po->shadow, shadow_map);
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evas_map_free(shadow_map);
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}
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/* Update the position of the hit box */
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{
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Evas_Coord minx, miny, maxx, maxy;
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int i;
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evas_object_polygon_points_clear(po->hit);
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evas_map_point_coord_get(map, 0, &minx, &miny, NULL);
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maxx = minx;
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maxy = miny;
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evas_object_polygon_point_add(po->hit, minx, miny);
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for (i = 1 ; i <= 3 ; i++)
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{
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Evas_Coord x, y;
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evas_map_point_coord_get(map, i, &x, &y, NULL);
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evas_object_polygon_point_add(po->hit, x, y);
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if (x < minx)
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minx = x;
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else if (x > maxx)
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maxx = x;
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if (y < miny)
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miny = y;
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else if (y > maxy)
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maxy = y;
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}
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}
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evas_object_raise(po->shadow);
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evas_object_raise(po->ic);
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evas_object_raise(po->hit);
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evas_map_free(map);
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}
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/* Zoom out animation */
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static void
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zoom_out_animation_operation(void *_po, Elm_Transit *transit EINA_UNUSED,
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double progress)
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{
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Photo_Object *po = (Photo_Object *) _po;
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po->zoom = BASE_ZOOM + ((po->base_zoom - BASE_ZOOM) * (1.0 - progress));
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apply_changes(po);
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}
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static void
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zoom_out_animation_end(void *_po, Elm_Transit *transit EINA_UNUSED)
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{
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Photo_Object *po = (Photo_Object *) _po;
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po->base_zoom = po->zoom = BASE_ZOOM;
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apply_changes(po);
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po->zoom_out = NULL;
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}
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static Evas_Event_Flags
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rotate_move(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Rotate_Info *p = (Elm_Gesture_Rotate_Info *) event_info;
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printf("rotate move <%d,%d> base=<%f> <%f>\n", p->x, p->y, p->base_angle, p->angle);
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po->rotate = po->base_rotate + (int) p->angle - p->base_angle;
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if (po->rotate < 0)
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po->rotate += 360;
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apply_changes(po);
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return EVAS_EVENT_FLAG_NONE;
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}
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static Evas_Event_Flags
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rotate_end(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Rotate_Info *p = (Elm_Gesture_Rotate_Info *) event_info;
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printf("rotate end/abort <%d,%d> base=<%f> <%f>\n", p->x, p->y, p->base_angle, p->angle);
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po->base_rotate += (int) p->angle - p->base_angle;
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if (po->rotate < 0)
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po->rotate += 360;
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return EVAS_EVENT_FLAG_NONE;
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}
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static Evas_Event_Flags
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zoom_start(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Zoom_Info *p = (Elm_Gesture_Zoom_Info *) event_info;
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printf("zoom start <%d,%d> <%f>\n", p->x, p->y, p->zoom);
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/* If there's an active animator, stop it */
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if (po->zoom_out)
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{
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elm_transit_del(po->zoom_out);
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po->zoom_out = NULL;
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}
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/* Give it a "lift" effect right from the start */
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po->base_zoom = BASE_ZOOM * LIFT_FACTOR;
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po->zoom = po->base_zoom;
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po->shadow_zoom = 1.7;
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apply_changes(po);
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return EVAS_EVENT_FLAG_NONE;
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}
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static Evas_Event_Flags
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zoom_move(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Zoom_Info *p = (Elm_Gesture_Zoom_Info *) event_info;
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printf("zoom move <%d,%d> <%f>\n", p->x, p->y, p->zoom);
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po->zoom = po->base_zoom * p->zoom;
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apply_changes(po);
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return EVAS_EVENT_FLAG_NONE;
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}
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static Evas_Event_Flags
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zoom_end(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Zoom_Info *p = (Elm_Gesture_Zoom_Info *) event_info;
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printf("zoom end/abort <%d,%d> <%f>\n", p->x, p->y, p->zoom);
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/* Apply the zoom out animator */
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po->shadow_zoom = 1.3;
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po->base_zoom = po->zoom;
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po->zoom_out = elm_transit_add();
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elm_transit_duration_set(po->zoom_out, zoom_out_animation_duration);
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elm_transit_effect_add(po->zoom_out, zoom_out_animation_operation, po, zoom_out_animation_end);
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elm_transit_go(po->zoom_out);
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return EVAS_EVENT_FLAG_NONE;
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}
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static Evas_Event_Flags
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momentum_start(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Momentum_Info *p = (Elm_Gesture_Momentum_Info *) event_info;
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printf("momentum_start <%d,%d>\n", p->x2, p->y2);
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po->dx = p->x2 - po->bx;
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po->dy = p->y2 - po->by;
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apply_changes(po);
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return EVAS_EVENT_FLAG_NONE;
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}
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static Evas_Event_Flags
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momentum_move(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Momentum_Info *p = (Elm_Gesture_Momentum_Info *) event_info;
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printf("momentum move <%d,%d>\n", p->x2, p->y2);
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po->bx = p->x2 - po->dx;
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po->by = p->y2 - po->dy;
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apply_changes(po);
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return EVAS_EVENT_FLAG_NONE;
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}
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static Evas_Event_Flags
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momentum_end(void *_po, void *event_info)
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{
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Photo_Object *po = (Photo_Object *) _po;
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Elm_Gesture_Momentum_Info *p = (Elm_Gesture_Momentum_Info *) event_info;
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printf("momentum end/abort <%d,%d> <%d,%d>\n", p->x2, p->y2, p->mx, p->my);
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(void) po;
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(void) p;
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/* Make sure middle is in the screen, if not, fix it. */
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{
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/* FIXME: Use actual window sizes instead of the hardcoded
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* values */
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Evas_Coord mx, my;
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mx = po->bx + (po->bw / 2);
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my = po->by + (po->bh / 2);
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if (mx < 0)
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po->bx = 0 - (po->bw / 2);
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else if (mx > 480)
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po->bx = 480 - (po->bw / 2);
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if (my < 0)
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po->by = 0 - (po->bh / 2);
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else if (my > 800)
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po->by = 800 - (po->bh / 2);
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}
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apply_changes(po);
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return EVAS_EVENT_FLAG_NONE;
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}
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static void
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_win_del_req(void *data, Evas_Object *obj EINA_UNUSED,
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void *event_info EINA_UNUSED)
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{
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Photo_Object **photo_array = (Photo_Object **) data;
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if (!photo_array)
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return;
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/* The content of the photo object is automatically deleted when the win
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* is deleted. */
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for ( ; *photo_array ; photo_array++)
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free(*photo_array);
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free(data);
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}
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Photo_Object *
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photo_object_add(Evas_Object *parent, Evas_Object *ic, const char *icon, Evas_Coord x,
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Evas_Coord y, Evas_Coord w, Evas_Coord h, int angle)
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{
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char buf[PATH_MAX];
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Photo_Object *po;
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po = calloc(1, sizeof(*po));
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if (!po) return NULL;
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po->base_zoom = po->zoom = BASE_ZOOM;
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if (ic)
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{
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po->ic = ic;
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}
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else
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{
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po->ic = elm_icon_add(parent);
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elm_image_file_set(po->ic, icon, NULL);
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}
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po->bx = x;
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po->by = y;
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po->bw = w;
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po->bh = h;
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/* Add shadow */
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{
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po->shadow = elm_icon_add(po->ic);
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snprintf(buf, sizeof(buf), "%s/images/pol_shadow.png", elm_app_data_dir_get());
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elm_image_file_set(po->shadow, buf, NULL);
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evas_object_resize(po->shadow, SHADOW_W, SHADOW_H);
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evas_object_show(po->shadow);
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}
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po->hit = evas_object_polygon_add(evas_object_evas_get(parent));
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evas_object_precise_is_inside_set(po->hit, EINA_TRUE);
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evas_object_repeat_events_set(po->hit, EINA_TRUE);
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evas_object_color_set(po->hit, 0, 0, 0, 0);
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evas_object_move(po->ic, 0, 0);
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evas_object_resize(po->ic, po->bw, po->bh);
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evas_object_show(po->ic);
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evas_object_show(po->hit);
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po->gl = elm_gesture_layer_add(po->ic);
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elm_gesture_layer_hold_events_set(po->gl, EINA_TRUE);
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elm_gesture_layer_attach(po->gl, po->hit);
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/* FIXME: Add a po->rotate start so we take the first angle!!!! */
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elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ROTATE, ELM_GESTURE_STATE_MOVE, rotate_move, po);
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elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ROTATE, ELM_GESTURE_STATE_END, rotate_end, po);
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elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ROTATE, ELM_GESTURE_STATE_ABORT, rotate_end, po);
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elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ZOOM, ELM_GESTURE_STATE_START, zoom_start, po);
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elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ZOOM, ELM_GESTURE_STATE_MOVE, zoom_move, po);
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elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ZOOM, ELM_GESTURE_STATE_END, zoom_end, po);
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elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_ZOOM, ELM_GESTURE_STATE_ABORT, zoom_end, po);
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elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_MOMENTUM, ELM_GESTURE_STATE_START, momentum_start, po);
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elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_MOMENTUM, ELM_GESTURE_STATE_MOVE, momentum_move, po);
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elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_MOMENTUM, ELM_GESTURE_STATE_END, momentum_end, po);
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elm_gesture_layer_cb_set(po->gl, ELM_GESTURE_MOMENTUM, ELM_GESTURE_STATE_ABORT, momentum_end, po);
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po->rotate = po->base_rotate = angle;
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po->shadow_zoom = 1.3;
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apply_changes(po);
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return po;
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}
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void
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test_gesture_layer(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
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void *event_info EINA_UNUSED)
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{
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Evas_Coord w, h;
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Evas_Object *win, *bg;
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char buf[PATH_MAX];
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int ind = 0;
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Photo_Object **photo_array;
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photo_array = calloc(4, sizeof(*photo_array));
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if (!photo_array) return;
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w = 480;
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h = 800;
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win = elm_win_add(NULL, "gesture-layer", ELM_WIN_BASIC);
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elm_win_title_set(win, "Gesture Layer");
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elm_win_autodel_set(win, EINA_TRUE);
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evas_object_resize(win, w, h);
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bg = elm_bg_add(win);
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snprintf(buf, sizeof(buf), "%s/images/wood_01.jpg", elm_app_data_dir_get());
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elm_bg_file_set(bg, buf, NULL);
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evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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elm_win_resize_object_add(win, bg);
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evas_object_show(bg);
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snprintf(buf, sizeof(buf), "%s/images/pol_sky.png", elm_app_data_dir_get());
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photo_array[ind++] = photo_object_add(win, NULL, buf, 200, 200, 365, 400, 0);
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snprintf(buf, sizeof(buf), "%s/images/pol_twofish.png", elm_app_data_dir_get());
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photo_array[ind++] = photo_object_add(win, NULL, buf, 40, 300, 365, 400, 45);
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Evas_Object *en = elm_entry_add(win);
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elm_object_text_set(en, "<font_size=40>You can use whatever object you want, "
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"even entries like this.</font_size>");
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elm_entry_line_wrap_set(en, ELM_WRAP_MIXED);
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Evas_Object *postit = elm_layout_add(win);
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snprintf(buf, sizeof(buf), "%s/objects/postit_ent.edj", elm_app_data_dir_get());
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elm_layout_file_set(postit, buf, "main");
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elm_object_part_content_set(postit, "ent", en);
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photo_array[ind++] = photo_object_add(win, postit, NULL, 50, 50, 382, 400, 355);
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photo_array[ind] = NULL;
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evas_object_smart_callback_add(win, "delete,request", _win_del_req,
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photo_array);
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evas_object_show(win);
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}
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