111 lines
2.4 KiB
C
111 lines
2.4 KiB
C
#include "evas_common.h"
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#include "evas_private.h"
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void
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_evas_touch_point_append(Evas *e, int id, Evas_Coord x, Evas_Coord y)
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{
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Evas_Coord_Touch_Point *point;
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/* create new Evas_Coord_Touch_Point */
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point = (Evas_Coord_Touch_Point *)calloc(1, sizeof(Evas_Coord_Touch_Point));
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point->x = x;
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point->y = y;
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point->id = id;
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point->state = EVAS_TOUCH_POINT_DOWN;
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e->touch_points = eina_list_append(e->touch_points, point);
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}
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void
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_evas_touch_point_update(Evas *e, int id, Evas_Coord x, Evas_Coord y, Evas_Touch_Point_State state)
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{
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Eina_List *l;
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Evas_Coord_Touch_Point *point = NULL;
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EINA_LIST_FOREACH(e->touch_points, l, point)
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{
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if (point->id == id)
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{
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point->x = x;
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point->y = y;
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point->state = state;
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break;
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}
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}
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}
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void
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_evas_touch_point_remove(Evas *e, int id)
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{
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Eina_List *l;
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Evas_Coord_Touch_Point *point = NULL;
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EINA_LIST_FOREACH(e->touch_points, l, point)
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{
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if (point->id == id)
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{
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e->touch_points = eina_list_remove(e->touch_points, point);
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free(point);
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break;
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}
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}
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}
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EAPI unsigned int
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evas_touch_point_list_count(Evas *e)
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{
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MAGIC_CHECK(e, Evas, MAGIC_EVAS);
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return 0;
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MAGIC_CHECK_END();
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return eina_list_count(e->touch_points);
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}
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EAPI void
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evas_touch_point_list_nth_xy_get(Evas *e, unsigned int n, Evas_Coord *x, Evas_Coord *y)
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{
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Evas_Coord_Touch_Point *point = NULL;
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MAGIC_CHECK(e, Evas, MAGIC_EVAS);
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if (x) *x = 0;
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if (y) *y = 0;
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return;
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MAGIC_CHECK_END();
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point = (Evas_Coord_Touch_Point *)eina_list_nth(e->touch_points, n);
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if (!point)
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{
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if (x) *x = 0;
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if (y) *y = 0;
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return;
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}
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if (x) *x = point->x;
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if (y) *y = point->y;
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}
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EAPI int
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evas_touch_point_list_nth_id_get(Evas *e, unsigned int n)
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{
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Evas_Coord_Touch_Point *point = NULL;
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MAGIC_CHECK(e, Evas, MAGIC_EVAS);
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return -1;
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MAGIC_CHECK_END();
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point = (Evas_Coord_Touch_Point *)eina_list_nth(e->touch_points, n);
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if (!point) return -1;
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return point->id;
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}
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EAPI Evas_Touch_Point_State
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evas_touch_point_list_nth_state_get(Evas *e, unsigned int n)
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{
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Evas_Coord_Touch_Point *point = NULL;
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MAGIC_CHECK(e, Evas, MAGIC_EVAS);
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return EVAS_TOUCH_POINT_CANCEL;
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MAGIC_CHECK_END();
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point = (Evas_Coord_Touch_Point *)eina_list_nth(e->touch_points, n);
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if (!point) return EVAS_TOUCH_POINT_CANCEL;
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return point->state;
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}
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