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Use drag diff for value setting

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This commit is contained in:
Adam Martini 2020-06-20 17:24:34 -07:00
parent c93ef97ab9
commit a7350282f0
1 changed files with 7 additions and 6 deletions
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13
src/lv_widgets/lv_rotary.c
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@ -316,17 +316,18 @@ static lv_res_t lv_rotary_signal(lv_obj_t * rotary, lv_signal_t sign, void * par
}
else if(sign == LV_SIGNAL_PRESSING) {
lv_indev_get_point(param, &p);
lv_coord_t drag_x_diff = ext->last_drag - p.x;
ext->last_drag_x = p.x;
if (ext->knob_area.y1 < p.y && p.y < ext->knob_area.y2) {
if (p.x > ext->last_drag_x && p.x < ext->knob_area.x2) {
ext->last_drag_x = p.x;
lv_rotary_set_value(rotary, lv_rotary_get_value(rotary) + 1, LV_ANIM_ON);
if (drag_x_diff > 0 && p.x < ext->knob_area.x2) {
lv_rotary_set_value(rotary, lv_rotary_get_value(rotary) + drag_x_diff, LV_ANIM_ON);
res = lv_event_send(rotary, LV_EVENT_VALUE_CHANGED, NULL);
if(res != LV_RES_OK) return res;
}
else if (p.x < ext->last_drag_x && p.x > ext->knob_area.x1) {
else if (drag_x_diff < 0 && p.x > ext->knob_area.x1) {
ext->last_drag_x = p.x;
lv_rotary_set_value(rotary, lv_rotary_get_value(rotary) - 1, LV_ANIM_ON);
lv_rotary_set_value(rotary, lv_rotary_get_value(rotary) + drag_x_diff, LV_ANIM_ON);
res = lv_event_send(rotary, LV_EVENT_VALUE_CHANGED, NULL);
if(res != LV_RES_OK) return res;
}