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Update lv_list.c

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Use setter function enable/disable single selected mode.
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Samuel 2018-12-07 15:22:07 +08:00 committed by GitHub
parent be8d241e06
commit c7846c827b
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1 changed files with 52 additions and 19 deletions
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71
lv_objx/lv_list.c
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@ -38,6 +38,7 @@
static lv_res_t lv_list_signal(lv_obj_t * list, lv_signal_t sign, void * param); static lv_res_t lv_list_signal(lv_obj_t * list, lv_signal_t sign, void * param);
static lv_res_t lv_list_btn_signal(lv_obj_t * btn, lv_signal_t sign, void * param); static lv_res_t lv_list_btn_signal(lv_obj_t * btn, lv_signal_t sign, void * param);
static void refr_btn_width(lv_obj_t * list); static void refr_btn_width(lv_obj_t * list);
static void lv_list_btn_single_selected(lv_obj_t *btn);
/********************** /**********************
* STATIC VARIABLES * STATIC VARIABLES
@ -89,6 +90,8 @@ lv_obj_t * lv_list_create(lv_obj_t * par, const lv_obj_t * copy)
ext->styles_btn[LV_BTN_STATE_TGL_PR] = &lv_style_btn_tgl_pr; ext->styles_btn[LV_BTN_STATE_TGL_PR] = &lv_style_btn_tgl_pr;
ext->styles_btn[LV_BTN_STATE_INA] = &lv_style_btn_ina; ext->styles_btn[LV_BTN_STATE_INA] = &lv_style_btn_ina;
ext->anim_time = LV_LIST_FOCUS_TIME; ext->anim_time = LV_LIST_FOCUS_TIME;
ext->single_selected_mode = false;
#if USE_LV_GROUP #if USE_LV_GROUP
ext->last_sel = NULL; ext->last_sel = NULL;
ext->selected_btn = NULL; ext->selected_btn = NULL;
@ -257,26 +260,15 @@ bool lv_list_remove(const lv_obj_t * list, uint32_t index)
*====================*/ *====================*/
/** /**
* Make a single button selected in the list, deselect others, should be called in list btns call back. * Set single button selected mode, only one button will be selected if enabled.
* @param btn pointer to the currently pressed list btn object * @param list pointer to the currently pressed list object
* @param mode, enable(true)/disable(false) single selected mode.
*/ */
void lv_list_set_btn_single_selected(lv_obj_t *btn) void lv_list_set_btn_single_selected_mode(lv_obj_t *list, bool mode)
{ {
lv_obj_t *list = lv_obj_get_parent(lv_obj_get_parent(btn)); lv_list_ext_t * ext = lv_obj_get_ext_attr(list);
lv_obj_t * e = lv_list_get_next_btn(list, NULL); ext->single_selected_mode = mode;
do
{
if(e == btn)
{
lv_btn_set_state(e, LV_BTN_STATE_TGL_REL);
}
else
{
lv_btn_set_state(e, LV_BTN_STATE_REL);
}
e = lv_list_get_next_btn(list, e);
} while (e != NULL);
} }
#if USE_LV_GROUP #if USE_LV_GROUP
@ -388,6 +380,17 @@ void lv_list_set_style(lv_obj_t * list, lv_list_style_t type, lv_style_t * style
* Getter functions * Getter functions
*====================*/ *====================*/
/**
* Get single button selected mode.
* @param list pointer to the currently pressed list object.
*/
bool lv_list_get_btn_single_selected_mode(lv_obj_t *list)
{
lv_list_ext_t * ext = lv_obj_get_ext_attr(list);
return (ext->single_selected_mode);
}
/** /**
* Get the text of a list element * Get the text of a list element
* @param btn pointer to list element * @param btn pointer to list element
@ -850,8 +853,9 @@ static lv_res_t lv_list_btn_signal(lv_obj_t * btn, lv_signal_t sign, void * para
res = ancestor_btn_signal(btn, sign, param); res = ancestor_btn_signal(btn, sign, param);
if(res != LV_RES_OK) return res; if(res != LV_RES_OK) return res;
#if USE_LV_GROUP
if(sign == LV_SIGNAL_RELEASED) { if(sign == LV_SIGNAL_RELEASED) {
#if USE_LV_GROUP
lv_obj_t * list = lv_obj_get_parent(lv_obj_get_parent(btn)); lv_obj_t * list = lv_obj_get_parent(lv_obj_get_parent(btn));
lv_group_t * g = lv_obj_get_group(list); lv_group_t * g = lv_obj_get_group(list);
if(lv_group_get_focused(g) == list && lv_indev_is_dragging(lv_indev_get_act()) == false) { if(lv_group_get_focused(g) == list && lv_indev_is_dragging(lv_indev_get_act()) == false) {
@ -872,8 +876,15 @@ static lv_res_t lv_list_btn_signal(lv_obj_t * btn, lv_signal_t sign, void * para
/* If `click_focus == 1` then LV_SIGNAL_FOCUS need to know which button triggered the focus /* If `click_focus == 1` then LV_SIGNAL_FOCUS need to know which button triggered the focus
* to mark it as selected (pressed state)*/ * to mark it as selected (pressed state)*/
last_clicked_btn = btn; last_clicked_btn = btn;
#endif
lv_list_ext_t * ext = lv_obj_get_ext_attr(list);
if(lv_indev_is_dragging(lv_indev_get_act()) == false && ext->single_selected_mode)
{
lv_list_btn_single_selected(btn);
}
} }
#if USE_LV_GROUP
if(sign == LV_SIGNAL_CLEANUP) { if(sign == LV_SIGNAL_CLEANUP) {
lv_obj_t * list = lv_obj_get_parent(lv_obj_get_parent(btn)); lv_obj_t * list = lv_obj_get_parent(lv_obj_get_parent(btn));
@ -907,5 +918,27 @@ static void refr_btn_width(lv_obj_t * list)
} }
} }
/**
* Make a single button selected in the list, deselect others, should be called in list btns call back.
* @param btn pointer to the currently pressed list btn object
*/
static void lv_list_btn_single_selected(lv_obj_t *btn)
{
lv_obj_t *list = lv_obj_get_parent(lv_obj_get_parent(btn));
lv_obj_t * e = lv_list_get_next_btn(list, NULL);
do
{
if(e == btn)
{
lv_btn_set_state(e, LV_BTN_STATE_TGL_REL);
}
else
{
lv_btn_set_state(e, LV_BTN_STATE_REL);
}
e = lv_list_get_next_btn(list, e);
} while (e != NULL);
}
#endif #endif