To Reproduce type lv_obj_add_event(); it will be undefined tabview = lv_tabview_create(lv_scr_act(), NULL); lv_obj_t *tab1 = lv_tabview_add_tab(tabview, "Tab 1"); lv_obj_t *tab2 = lv_tabview_add_tab(tabview, "Tab 2"); lv_obj_t *tab3 = lv_tabview_add_tab(tab...
一、首先创建需要响应的OBJ 以lvgl开关obj为例 lv_obj_t * sw; sw = lv_switch_create(lv_scr_act()); 二、给其添加事件 首先定义回调函数 static void event_handler(lv_event_t * e) { lv_event_code_t code = lv_event_get_code(e); lv_obj_t * obj = lv_event_get_target(e); if(co...
lv_obj_add_event_cb(lv_obj_t* obj,lv_event_cb_tevent_cb,lv_event_code_tfilter,void* user_data); 任意可交互控件都可以使用该函数添加回调函数。这里不用管该函数的返回值。event_cb是事件的回调函数,filter决定按钮会对哪些事件作出响应,可以在user_data传入一些自定义的数据。 检查类型lv_event_cb_...
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LV_EVENT_VALUE_CHANGED, \ ui \ ); \ lv_obj_add_event_cb(ui->ctrl_pad.tab.align.ddlist_align_##item, \ flex_align_##item##_event_handler, \ LV_EVENT_VALUE_CHANGED, \ ui \ ); \ } while(0) /*** @@ -96,7 +96,7 @@ FLEX_ALIGN_EVENT_DEF(track) void flex_loader_attach...
lv_obj_add_flag(kb, LV_OBJ_FLAG_HIDDEN);// 添加键盘隐藏标志,隐藏键盘 } } /** * @brief 键盘确认事件 * @param e 事件对象 */ staticvoidkb_event_cb(lv_event_t* e) { lv_obj_t* kb = lv_event_get_target(e);// 获取当前事件对象,也就是键盘对象 ...
LV_OBJ_FLAG_HIDDEN); } } static void SETTINGS_event_handler(lv_event_t * e)//菜单界面触发设置 { lv_event_code_t code = lv_event_get_code(e); if(code == LV_EVENT_CLICKED) { lv_obj_add_flag(contanier2, LV_OBJ_FLAG_HIDDEN); lv_obj_clear_flag(contanier1, LV_OBJ_FLAG_HIDDEN...
//创建标签lv_obj_t*label=lv_label_create(lv_scr_act());//居中显示lv_obj_center(label);//显示图标lv_label_set_text(label,"wenmou9"LV_SYMBOL_OK); label事件,按下打印 //添加事件lv_obj_add_event_cb(label,Www,LV_EVENT_ALL,NULL);//配置宏触发lv_obj_add_flag(label,LV_OBJ_FLAG_CLICK...
lv_obj_add_event_cb(btn, btn_event_cb, LV_EVENT_ALL, NULL); /*Assign a callback to the button*/ lv_obj_t * label = lv_label_create(btn); /*Add a label to the button*/ lv_label_set_text(label, "Button"); /*Set the labels text*/ ...
One of them was the fact that my previously working code crashed on every button released event. Debugging showed that the new GuiGuider ALWAYS generates the following line of code in the 'setup_src_xxxx' routineslv_obj_add_flag(ui->MainWindow_Button_1, LV_OBJ_FLAG_CHECKABLE);...