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Update lv_list.c
Use setter function enable/disable single selected mode.
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be8d241e06
commit
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@ -38,6 +38,7 @@
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static lv_res_t lv_list_signal(lv_obj_t * list, lv_signal_t sign, void * param);
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static lv_res_t lv_list_btn_signal(lv_obj_t * btn, lv_signal_t sign, void * param);
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static void refr_btn_width(lv_obj_t * list);
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static void lv_list_btn_single_selected(lv_obj_t *btn);
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/**********************
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* STATIC VARIABLES
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@ -89,6 +90,8 @@ lv_obj_t * lv_list_create(lv_obj_t * par, const lv_obj_t * copy)
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ext->styles_btn[LV_BTN_STATE_TGL_PR] = &lv_style_btn_tgl_pr;
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ext->styles_btn[LV_BTN_STATE_INA] = &lv_style_btn_ina;
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ext->anim_time = LV_LIST_FOCUS_TIME;
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ext->single_selected_mode = false;
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#if USE_LV_GROUP
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ext->last_sel = NULL;
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ext->selected_btn = NULL;
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@ -257,26 +260,15 @@ bool lv_list_remove(const lv_obj_t * list, uint32_t index)
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*====================*/
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/**
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* Make a single button selected in the list, deselect others, should be called in list btns call back.
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* @param btn pointer to the currently pressed list btn object
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* Set single button selected mode, only one button will be selected if enabled.
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* @param list pointer to the currently pressed list object
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* @param mode, enable(true)/disable(false) single selected mode.
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*/
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void lv_list_set_btn_single_selected(lv_obj_t *btn)
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void lv_list_set_btn_single_selected_mode(lv_obj_t *list, bool mode)
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{
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lv_obj_t *list = lv_obj_get_parent(lv_obj_get_parent(btn));
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lv_list_ext_t * ext = lv_obj_get_ext_attr(list);
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lv_obj_t * e = lv_list_get_next_btn(list, NULL);
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do
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{
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if(e == btn)
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{
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lv_btn_set_state(e, LV_BTN_STATE_TGL_REL);
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}
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else
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{
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lv_btn_set_state(e, LV_BTN_STATE_REL);
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}
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e = lv_list_get_next_btn(list, e);
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} while (e != NULL);
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ext->single_selected_mode = mode;
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}
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#if USE_LV_GROUP
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@ -388,6 +380,17 @@ void lv_list_set_style(lv_obj_t * list, lv_list_style_t type, lv_style_t * style
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* Getter functions
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*====================*/
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/**
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* Get single button selected mode.
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* @param list pointer to the currently pressed list object.
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*/
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bool lv_list_get_btn_single_selected_mode(lv_obj_t *list)
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{
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lv_list_ext_t * ext = lv_obj_get_ext_attr(list);
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return (ext->single_selected_mode);
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}
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/**
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* Get the text of a list element
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* @param btn pointer to list element
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@ -850,8 +853,9 @@ static lv_res_t lv_list_btn_signal(lv_obj_t * btn, lv_signal_t sign, void * para
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res = ancestor_btn_signal(btn, sign, param);
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if(res != LV_RES_OK) return res;
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#if USE_LV_GROUP
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if(sign == LV_SIGNAL_RELEASED) {
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#if USE_LV_GROUP
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lv_obj_t * list = lv_obj_get_parent(lv_obj_get_parent(btn));
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lv_group_t * g = lv_obj_get_group(list);
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if(lv_group_get_focused(g) == list && lv_indev_is_dragging(lv_indev_get_act()) == false) {
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@ -872,8 +876,15 @@ static lv_res_t lv_list_btn_signal(lv_obj_t * btn, lv_signal_t sign, void * para
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/* If `click_focus == 1` then LV_SIGNAL_FOCUS need to know which button triggered the focus
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* to mark it as selected (pressed state)*/
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last_clicked_btn = btn;
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#endif
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lv_list_ext_t * ext = lv_obj_get_ext_attr(list);
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if(lv_indev_is_dragging(lv_indev_get_act()) == false && ext->single_selected_mode)
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{
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lv_list_btn_single_selected(btn);
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}
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}
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#if USE_LV_GROUP
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if(sign == LV_SIGNAL_CLEANUP) {
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lv_obj_t * list = lv_obj_get_parent(lv_obj_get_parent(btn));
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@ -907,5 +918,27 @@ static void refr_btn_width(lv_obj_t * list)
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}
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}
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/**
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* Make a single button selected in the list, deselect others, should be called in list btns call back.
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* @param btn pointer to the currently pressed list btn object
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*/
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static void lv_list_btn_single_selected(lv_obj_t *btn)
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{
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lv_obj_t *list = lv_obj_get_parent(lv_obj_get_parent(btn));
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lv_obj_t * e = lv_list_get_next_btn(list, NULL);
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do
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{
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if(e == btn)
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{
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lv_btn_set_state(e, LV_BTN_STATE_TGL_REL);
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}
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else
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{
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lv_btn_set_state(e, LV_BTN_STATE_REL);
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}
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e = lv_list_get_next_btn(list, e);
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} while (e != NULL);
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}
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#endif
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