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fix sending of DRAG_BEGIN/END siganls and events

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This commit is contained in:
Gabor Kiss-Vamosi
2019-07-17 12:43:10 +02:00
parent 27db08eb23
commit cd0d311531
1 changed files with 12 additions and 10 deletions
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src/lv_core/lv_indev.c
+12 -10
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@@ -1106,20 +1106,12 @@ static void indev_drag(lv_indev_proc_t * state)
lv_obj_set_y(drag_obj, act_y + state->types.pointer.vect.y); lv_obj_set_y(drag_obj, act_y + state->types.pointer.vect.y);
} }
/*Set the drag in progress flag*/
/*Send the drag begin signal on first move*/
if(state->types.pointer.drag_in_prog == 0) {
drag_obj->signal_cb(drag_obj, LV_SIGNAL_DRAG_BEGIN, indev_act);
if(indev_reset_check(state)) return;
lv_event_send(drag_obj, LV_EVENT_DRAG_BEGIN, NULL);
if(indev_reset_check(state)) return;
}
state->types.pointer.drag_in_prog = 1;
/*If the object didn't moved then clear the invalidated areas*/ /*If the object didn't moved then clear the invalidated areas*/
if(drag_obj->coords.x1 == prev_x && drag_obj->coords.y1 == prev_y) { if(drag_obj->coords.x1 == prev_x && drag_obj->coords.y1 == prev_y) {
state->types.pointer.drag_in_prog = 0; // state->types.pointer.drag_in_prog = 0;
/*In a special case if the object is moved on a page and /*In a special case if the object is moved on a page and
* the scrollable has fit == true and the object is dragged of the page then * the scrollable has fit == true and the object is dragged of the page then
* while its coordinate is not changing only the parent's size is reduced */ * while its coordinate is not changing only the parent's size is reduced */
@@ -1129,6 +1121,16 @@ static void indev_drag(lv_indev_proc_t * state)
uint16_t new_inv_buf_size = lv_disp_get_inv_buf_size(indev_act->driver.disp); uint16_t new_inv_buf_size = lv_disp_get_inv_buf_size(indev_act->driver.disp);
lv_disp_pop_from_inv_buf(indev_act->driver.disp, new_inv_buf_size - inv_buf_size); lv_disp_pop_from_inv_buf(indev_act->driver.disp, new_inv_buf_size - inv_buf_size);
} }
} else {
state->types.pointer.drag_in_prog = 1;
/*Set the drag in progress flag*/
/*Send the drag begin signal on first move*/
if(drag_just_started) {
drag_obj->signal_cb(drag_obj, LV_SIGNAL_DRAG_BEGIN, indev_act);
if(indev_reset_check(state)) return;
lv_event_send(drag_obj, LV_EVENT_DRAG_BEGIN, NULL);
if(indev_reset_check(state)) return;
}
} }
} }
} }