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lv_btnmatrix: don't crash when pointer events aren't on a button

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This commit is contained in:
Themba Dube 2020-02-15 15:13:57 -05:00
parent 63ad3df793
commit 2d8254a91d
1 changed files with 16 additions and 12 deletions
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28
src/lv_widgets/lv_btnmatrix.c
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@ -799,12 +799,15 @@ static lv_res_t lv_btnmatrix_signal(lv_obj_t * btnm, lv_signal_t sign, void * pa
/*Search the pressed area*/
lv_indev_get_point(param, &p);
btn_pr = get_button_from_point(btnm, &p);
if(button_is_inactive(ext->ctrl_bits[btn_pr]) == false &&
button_is_hidden(ext->ctrl_bits[btn_pr]) == false) {
invalidate_button_area(btnm, ext->btn_id_pr) /*Invalidate the old area*/;
ext->btn_id_pr = btn_pr;
ext->btn_id_act = btn_pr;
invalidate_button_area(btnm, ext->btn_id_pr); /*Invalidate the new area*/
/*Handle the case where there is no button there*/
if(btn_pr != LV_BTNMATRIX_BTN_NONE) {
if(button_is_inactive(ext->ctrl_bits[btn_pr]) == false &&
button_is_hidden(ext->ctrl_bits[btn_pr]) == false) {
invalidate_button_area(btnm, ext->btn_id_pr) /*Invalidate the old area*/;
ext->btn_id_pr = btn_pr;
ext->btn_id_act = btn_pr;
invalidate_button_area(btnm, ext->btn_id_pr); /*Invalidate the new area*/
}
}
}
#if LV_USE_GROUP
@ -827,15 +830,16 @@ static lv_res_t lv_btnmatrix_signal(lv_obj_t * btnm, lv_signal_t sign, void * pa
/*Search the pressed area*/
lv_indev_get_point(param, &p);
btn_pr = get_button_from_point(btnm, &p);
/*Invalidate to old and the new areas*/;
if(btn_pr != ext->btn_id_pr &&
button_is_inactive(ext->ctrl_bits[btn_pr]) == false &&
button_is_hidden(ext->ctrl_bits[btn_pr]) == false) {
lv_indev_reset_long_press(param); /*Start the log press time again on the new button*/
/*Invalidate to old and the new areas*/
if(btn_pr != ext->btn_id_pr) {
if(ext->btn_id_pr != LV_BTNMATRIX_BTN_NONE) {
invalidate_button_area(btnm, ext->btn_id_pr);
}
if(btn_pr != LV_BTNMATRIX_BTN_NONE) {
lv_indev_reset_long_press(param); /*Start the log press time again on the new button*/
if(btn_pr != LV_BTNMATRIX_BTN_NONE &&
button_is_inactive(ext->ctrl_bits[btn_pr]) == false &&
button_is_hidden(ext->ctrl_bits[btn_pr]) == false) {
/* Send VALUE_CHANGED for the newly pressed button */
uint32_t b = ext->btn_id_act;
res = lv_event_send(btnm, LV_EVENT_VALUE_CHANGED, &b);
if(res == LV_RES_OK) {