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_DRAW_POST_END, /**< Finishing the post draw phase (when all children are drawn)*/ LV_EVENT_DRAW_PART_BEGIN, /**< Starting to draw a part. The event parameter is `lv_obj_draw_dsc_t *`. */ LV_EVENT_DRAW_PART_END, /**< Finishing to draw a part. The event parameter...
timer_meter_speed =lv_timer_create(timer_meter_speed_cb,100, &guider_ui); }break;caseLV_EVENT_SCREEN_UNLOADED: {lv_timer_del(timer_meter_speed); }break;default:break; } }voidevents_init_screen(lv_ui *ui){lv_obj_add_event_cb(ui- >screen, screen_event_handler, LV_EVENT_ALL, ui);...
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LV_EVENT_READY: OK按钮被点击 LV_EVENT_CANCEL:关闭按钮被点击 三、程序 #include"lvgl/lvgl.h" /** * @brief 文本事件 * @param e 事件对象 */ staticvoidta_event_cb(lv_event_t* e) { lv_event_code_tcode = lv_event_get_code(e);// 获取事件编码 ...
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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*/ ...
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