efl/src/lib/evas/canvas/evas_touch_point.c

116 lines
2.8 KiB
C

#include "evas_common_private.h"
#include "evas_private.h"
void
_evas_touch_point_append(Evas *eo_e, int id, Evas_Coord x, Evas_Coord y)
{
Evas_Public_Data *e = efl_data_scope_get(eo_e, EVAS_CANVAS_CLASS);
Evas_Coord_Touch_Point *point;
/* create new Evas_Coord_Touch_Point */
point = (Evas_Coord_Touch_Point *)calloc(1, sizeof(Evas_Coord_Touch_Point));
point->x = x;
point->y = y;
point->id = id;
point->state = EVAS_TOUCH_POINT_DOWN;
e->touch_points = eina_list_append(e->touch_points, point);
}
void
_evas_touch_point_update(Evas *eo_e, int id, Evas_Coord x, Evas_Coord y, Evas_Touch_Point_State state)
{
Evas_Public_Data *e = efl_data_scope_get(eo_e, EVAS_CANVAS_CLASS);
Eina_List *l;
Evas_Coord_Touch_Point *point = NULL;
EINA_LIST_FOREACH(e->touch_points, l, point)
{
if (point->id == id)
{
point->x = x;
point->y = y;
point->state = state;
break;
}
}
}
void
_evas_touch_point_remove(Evas *eo_e, int id)
{
Evas_Public_Data *e = efl_data_scope_get(eo_e, EVAS_CANVAS_CLASS);
Eina_List *l;
Evas_Coord_Touch_Point *point = NULL;
EINA_LIST_FOREACH(e->touch_points, l, point)
{
if (point->id == id)
{
e->touch_points = eina_list_remove(e->touch_points, point);
free(point);
break;
}
}
}
EAPI unsigned int
evas_touch_point_list_count(Eo *eo_e)
{
EVAS_LEGACY_API(eo_e, e, 0);
return eina_list_count(e->touch_points);
}
/* For Efl.Ui.Win only */
EOLIAN void
_evas_canvas_touch_point_list_nth_xy_get(Evas_Canvas *eo_e EINA_UNUSED,
Evas_Public_Data *e, unsigned int n,
double *x, double *y)
{
Evas_Coord_Touch_Point *point;
point = eina_list_nth(e->touch_points, n);
if (!point)
{
if (x) *x = 0;
if (y) *y = 0;
return;
}
if (x) *x = point->x;
if (y) *y = point->y;
}
EAPI void
evas_touch_point_list_nth_xy_get(Evas *eo_e, unsigned int n,
Evas_Coord *x, Evas_Coord *y)
{
double X, Y;
EVAS_LEGACY_API(eo_e, e);
_evas_canvas_touch_point_list_nth_xy_get(eo_e, e, n, &X, &Y);
if (x) *x = X;
if (y) *y = Y;
}
EAPI int
evas_touch_point_list_nth_id_get(Evas *eo_e, unsigned int n)
{
Evas_Coord_Touch_Point *point;
EVAS_LEGACY_API(eo_e, e, -1);
point = eina_list_nth(e->touch_points, n);
if (!point) return -1;
else return point->id;
}
EAPI Evas_Touch_Point_State
evas_touch_point_list_nth_state_get(Evas *eo_e, unsigned int n)
{
Evas_Coord_Touch_Point *point;
EVAS_LEGACY_API(eo_e, e, EVAS_TOUCH_POINT_CANCEL);
point = eina_list_nth(e->touch_points, n);
if (!point) return EVAS_TOUCH_POINT_CANCEL;
else return point->state;
}