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lv_group: works with obj. copy + bug fixes

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This commit is contained in:
Gabor
2017-07-20 13:29:22 +02:00
parent faf33212e7
commit 455676e982
5 changed files with 135 additions and 37 deletions
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115
lv_objx/lv_list.c
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@@ -33,6 +33,8 @@
static bool lv_list_design(lv_obj_t * list, const area_t * mask, lv_design_mode_t mode);
#endif
static lv_obj_t * lv_list_get_next_btn(lv_obj_t * list, lv_obj_t * prev_btn);
/**********************
* STATIC VARIABLES
**********************/
@@ -119,10 +121,10 @@ bool lv_list_signal(lv_obj_t * list, lv_signal_t sign, void * param)
/*Get the first button*/
lv_obj_t * btn = NULL;
lv_obj_t * btn_prev = NULL;
btn = lv_obj_get_child(lv_page_get_scrl(list), btn);
btn = lv_list_get_next_btn(list, btn);
while(btn != NULL) {
btn_prev = btn;
btn = lv_obj_get_child(lv_page_get_scrl(list), btn);
btn = lv_list_get_next_btn(list, btn);
}
if(btn_prev != NULL) {
lv_btn_set_state(btn_prev, LV_BTN_STATE_PR);
@@ -130,10 +132,10 @@ bool lv_list_signal(lv_obj_t * list, lv_signal_t sign, void * param)
} else if(sign == LV_SIGNAL_DEACTIVATE) {
/*Get the 'pressed' button*/
lv_obj_t * btn = NULL;
btn = lv_obj_get_child(lv_page_get_scrl(list), btn);
btn = lv_list_get_next_btn(list, btn);
while(btn != NULL) {
if(lv_btn_get_state(btn) == LV_BTN_STATE_PR) break;
btn = lv_obj_get_child(lv_page_get_scrl(list), btn);
btn = lv_list_get_next_btn(list, btn);
}
if(btn != NULL) {
@@ -143,11 +145,11 @@ bool lv_list_signal(lv_obj_t * list, lv_signal_t sign, void * param)
/*Get the last pressed button*/
lv_obj_t * btn = NULL;
lv_obj_t * btn_prev = NULL;
btn = lv_obj_get_child(lv_page_get_scrl(list), btn);
btn = lv_list_get_next_btn(list, btn);
while(btn != NULL) {
if(lv_btn_get_state(btn) == LV_BTN_STATE_PR) break;
btn_prev = btn;
btn = lv_obj_get_child(lv_page_get_scrl(list), btn);
btn = lv_list_get_next_btn(list, btn);
}
if(btn_prev != NULL && btn != NULL) {
@@ -158,14 +160,14 @@ bool lv_list_signal(lv_obj_t * list, lv_signal_t sign, void * param)
} else if(sign == LV_SIGNAL_DECREASE) {
/*Get the last pressed button*/
lv_obj_t * btn = NULL;
btn = lv_obj_get_child(lv_page_get_scrl(list), btn);
btn = lv_list_get_next_btn(list, btn);
while(btn != NULL) {
if(lv_btn_get_state(btn) == LV_BTN_STATE_PR) break;
btn = lv_obj_get_child(lv_page_get_scrl(list), btn);
btn = lv_list_get_next_btn(list, btn);
}
if(btn != NULL) {
lv_obj_t * btn_prev = lv_obj_get_child(lv_page_get_scrl(list), btn);
lv_obj_t * btn_prev = lv_list_get_next_btn(list, btn);
if(btn_prev != NULL) {
lv_btn_set_state(btn, LV_BTN_STATE_REL);
lv_btn_set_state(btn_prev, LV_BTN_STATE_PR);
@@ -175,10 +177,10 @@ bool lv_list_signal(lv_obj_t * list, lv_signal_t sign, void * param)
} else if(sign == LV_SIGNAL_SELECT) {
/*Get the 'pressed' button*/
lv_obj_t * btn = NULL;
btn = lv_obj_get_child(lv_page_get_scrl(list), btn);
btn = lv_list_get_next_btn(list, btn);
while(btn != NULL) {
if(lv_btn_get_state(btn) == LV_BTN_STATE_PR) break;
btn = lv_obj_get_child(lv_page_get_scrl(list), btn);
btn = lv_list_get_next_btn(list, btn);
}
if(btn != NULL) {
@@ -258,7 +260,7 @@ void lv_list_up(lv_obj_t * list)
lv_obj_t * scrl = lv_page_get_scrl(list);
lv_obj_t * e;
lv_obj_t * e_prev = NULL;
e = lv_obj_get_child(scrl, NULL);
e = lv_list_get_next_btn(list, NULL);
while(e != NULL) {
if(e->cords.y2 <= list->cords.y2) {
if(e_prev != NULL) {
@@ -285,7 +287,7 @@ void lv_list_up(lv_obj_t * list)
break;
}
e_prev = e;
e = lv_obj_get_child(scrl, e);
e = lv_list_get_next_btn(list, e);
}
}
@@ -299,7 +301,7 @@ void lv_list_down(lv_obj_t * list)
* and position the list to show this element on the top*/
lv_obj_t * scrl = lv_page_get_scrl(list);
lv_obj_t * e;
e = lv_obj_get_child(scrl, NULL);
e = lv_list_get_next_btn(list, NULL);
while(e != NULL) {
if(e->cords.y1 < list->cords.y1) {
cord_t new_y = -lv_obj_get_y(e);
@@ -323,7 +325,7 @@ void lv_list_down(lv_obj_t * list)
#endif
break;
}
e = lv_obj_get_child(scrl, e);
e = lv_list_get_next_btn(list, e);
}
}
@@ -351,8 +353,9 @@ void lv_list_set_sb_out(lv_obj_t * list, bool out)
*/
void lv_list_set_element_text_roll(lv_obj_t * liste, bool en)
{
/*The last child is the label*/
lv_obj_t * label = lv_obj_get_child(liste, NULL);
lv_obj_t * label = lv_list_get_element_label(liste);
if(label == NULL) return;
if(en == false) {
lv_label_set_long_mode(label, LV_LABEL_LONG_DOTS);
} else {
@@ -384,12 +387,11 @@ void lv_list_set_styles_btn(lv_obj_t * list, lv_style_t * rel, lv_style_t * pr,
ext->styles_btn[LV_BTN_STATE_TPR] = tpr;
ext->styles_btn[LV_BTN_STATE_INA] = ina;
lv_obj_t * scrl = lv_page_get_scrl(list);
lv_obj_t * liste = lv_obj_get_child(scrl, NULL);
lv_obj_t * liste = lv_list_get_next_btn(list, NULL);
while(liste != NULL)
{
lv_btn_set_styles(liste, rel, pr, trel, tpr, ina);
liste = lv_obj_get_child(scrl, liste);
liste = lv_list_get_next_btn(list, liste);
}
}
@@ -405,16 +407,14 @@ void lv_list_set_style_img(lv_obj_t * list, lv_style_t * style)
ext->style_img = style;
lv_obj_t * scrl = lv_page_get_scrl(list);
lv_obj_t * liste = lv_obj_get_child(scrl, NULL);
lv_obj_t * liste = lv_list_get_next_btn(list, NULL);
lv_obj_t * img;
while(liste != NULL)
{
img = lv_obj_get_child(liste, NULL); /*Now img = the label*/
img = lv_obj_get_child(liste, img); /*Now img = the image (if ULL then no image) */
img = lv_list_get_element_img(liste);
if(img != NULL) lv_obj_set_style(img, style);
liste = lv_obj_get_child(scrl, liste);
liste = lv_list_get_next_btn(list, liste);
}
}
@@ -429,11 +429,47 @@ void lv_list_set_style_img(lv_obj_t * list, lv_style_t * style)
*/
const char * lv_list_get_element_text(lv_obj_t * liste)
{
/*The last child is the label*/
lv_obj_t * label = lv_obj_get_child(liste, NULL);
lv_obj_t * label = lv_list_get_element_label(liste);
if(label == NULL) return "";
return lv_label_get_text(label);
}
/**
* Get the label object from a list element
* @param liste pointer to a list element (button)
* @return pointer to the label from the list element or NULL if not found
*/
lv_obj_t * lv_list_get_element_label(lv_obj_t * liste)
{
lv_obj_t * label = lv_obj_get_child(liste, NULL);
if(label == NULL) return NULL;
while(label->signal_f != lv_label_signal) {
label = lv_obj_get_child(liste, NULL);
if(label == NULL) break;
}
return label;
}
/**
* Get the image object from a list element
* @param liste pointer to a list element (button)
* @return pointer to the image from the list element or NULL if not found
*/
lv_obj_t * lv_list_get_element_img(lv_obj_t * liste)
{
lv_obj_t * img = lv_obj_get_child(liste, NULL);
if(img == NULL) return NULL;
while(img->signal_f != lv_img_signal) {
img = lv_obj_get_child(liste, NULL);
if(img == NULL) break;
}
return img;
}
/**
* Get the scroll bar outside attribute
* @param list pointer to list object
@@ -503,4 +539,29 @@ static bool lv_list_design(lv_obj_t * list, const area_t * mask, lv_design_mode_
}
#endif
/**
* Get the next button from list
* @param list pointer to a list object
* @param prev_btn pointer to button. Search the next after it.
* @return pointer to the next button or NULL
*/
static lv_obj_t * lv_list_get_next_btn(lv_obj_t * list, lv_obj_t * prev_btn)
{
/* Not a good practice but user can add/create objects to the lists manually.
* When getting the next button try to be sure that it is at least a button */
lv_obj_t * btn ;
lv_obj_t * scrl = lv_page_get_scrl(list);
btn = lv_obj_get_child(scrl, prev_btn);
if(btn == NULL) return NULL;
while(btn->signal_f != lv_btn_signal) {
btn = lv_obj_get_child(scrl, prev_btn);
if(btn == NULL) break;
}
return btn;
}
#endif