lv_obj_t* kb = (lv_obj_t*)lv_event_get_user_data(e);// 获取键盘对象 /* 获取文本点击事件 */ if(code == LV_EVENT_CLICKED) { lv_keyboard_set_textarea(kb, ta);// 将键盘与文本进行关联 lv_obj_clear_flag(kb, LV_OBJ_FLAG_HIDDEN);// 清除键盘的隐身标志,显示键盘 lv_obj_add_sta...
lv_obj_add_event_cb(btn01, button_simple_cb, LV_EVENT_CLICKED, label01); 这里让按钮只对点击事件产生响应。如果要让按钮对多个事件响应的话,需要先让按钮对所有事件LV_EVENT_ALL产生响应的话,然后在回调函数内进一步判断事件类型: lv_event_code_tcode =lv_event_get_code(e);if(code == LV_EVENT_...
lv_event_send(obj, LV_EVENT_USER_REFRESH_RESULT, dataTypedef); // 为1时才可以进来 // 2.在控件的回调函数中接收该信号,并进行处理 static void RefreDataCbk(lv_event_t *event) { lv_event_code_t code = lv_event_get_code(event); lv_obj_t *obj = event->current_target; if(code == ...
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...
Embedded graphics library to create beautiful UIs for any MCU, MPU and display type. - lvgl/src/core/lv_obj_style.c at 637b706ddc7adc237e8d63292068d2b859843843 · lvgl/lvgl
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}voidevents_init_screen(lv_ui *ui){lv_obj_add_event_cb(ui- >screen, screen_event_handler, LV_EVENT_ALL, ui); } 但是回调函数登录后复制timer_meter_speed_cb()仍需要开发者自行在登录后复制custom.c文件中自行创建,GUI Guider不会自动更新。代码如下: ...
#define LV_LOG_TRACE_EVENT 1 #define LV_LOG_TRACE_OBJ_CREATE 1 #define LV_LOG_TRACE_LAYOUT 1 #define LV_LOG_TRACE_ANIM 1 #define LV_LOG_TRACE_CACHE 1 #endif /*LV_USE_LOG*/ /*--- * Asserts *---*/ /*Enable asserts if an operation is failed or an invalid data...
2.1.1134 Part 1 Section 19.3.2.4, oleObj (Global Element for Embedded objects and Controls) 2.1.1135 Part 1 Section 19.3.3.1, tag (Programmable Extensibility Tag) 2.1.1136 Part 1 Section 19.4.1, cm (Comment) 2.1.1137 Part 1 Section 19.4.5, pos (Comment Position) 2.1.1...
2.1.1134 Part 1 Section 19.3.2.4, oleObj (Global Element for Embedded objects and Controls) 2.1.1135 Part 1 Section 19.3.3.1, tag (Programmable Extensibility Tag) 2.1.1136 Part 1 Section 19.4.1, cm (Comment) 2.1.1137 Part 1 Section 19.4.5, pos (Comment Position) 2.1.1138...