LV_EVENT_REFR_EXT_DRAW_SIZE, /**< Get the required extra draw area around the object (e.g. for shadow). The event parameter is `lv_coord_t *` to store the size.*/ LV_EVENT_DRAW_MAIN_BEGIN, /**< Starting the main drawing phase*/ LV_EVENT_DRAW_MAIN, /**< Perform the main ...
(long_press_time) 按下时间发送 LV_EVENT_LONG_PRESSED (以毫秒为单位) (long_press_rep_time) 发送 LV_EVENT_LONG_PRESSED_REPEAT 的时间间隔(以毫秒为单位) (read_task) 指向读取输入设备的lv_task的指针。可以通过 lv_task_.。。() 函数更改其参数 每个输入设备都与一个显示器关联。默认情况下,新的输...
正常情况下,当开关被点击并且状态发生改变时,触发 LV_EVENT_VALUE_CHANGED事件类型。也就是说可以在 LV_EVENT_VALUE_CHANGED 事件类型中处理事件,比如:lv_obj_add_event_cb(switch, event_handler, LV_EVENT_VALUE_CHANGED, NULL); 4.4 按键控制 LV_KEY_UP/RIGHT 开 ...
In 8.0 and newer, adding an event handler to the keyboard does not remove the default event handler. This behavior differs from v7, where adding an event handler would always replace the previous one. Learn more aboutEvents. Keys LV_KEY_RIGHT/UP/LEFT/RIGHTTo navigate among the buttons and ...
x_root,y_root 鼠标当前位置,相对于整个屏幕"""print("键的 keycode:{0},键的 char:{1},键的 keysym:{2}".format(event.keycode,event.char,event.keysym))defpress_a_test(event):print("press a")defrelease_a_test(event):print("release a")c1.bind("<Button-1>",mouseTest)# 鼠标左键按...
esp32 长按 LV_EVENT_PRESSING esp32 lyrat 一.开发板使用前的准备 1.硬件准备 lyrat开发板要工作起来需要用一根microusb线接到供电口,而下载或者调试设备需要另一根microusb线接到串口端。另外要将电源键拨到ON的位置。该开发板的定位是智能音箱,所以要测试音频需要接一个3.5英寸接口的耳机/音箱。在烧录程序之前...
motion_event、has_focus、action_id、key_event、is_checked、checked_id、progress、from_user、rating、parent_id、parent_name、item_position、item_id、item_group_position、item_child_position、page_id、page_name、id、name、type、location、text
uint32_tlv_event_get_key(lv_event_t*e); /** * Get the animation descriptor of a scrolling. Can be used in `LV_EVENT_SCROLL_BEGIN` * @param e pointer to an event * @return the animation that will scroll the object. (can be modified as required) ...
QUIT: # 退出(处理了框体右上角x) exit() if event.type == pygame.KEYDOWN: # 按下 if event.key == pygame.K_LEFT: x -= 10 elif event.key == pygame.K_RIGHT: x += 10 elif event.key == pygame.K_UP: y -= 10 elif event.key == pygame.K_DOWN: y += 10 screen.fill((0,...
No matter what time of year it is, there’s usually one staple you can always expect at LV BET. Each event will entice your taste buds no matter your preference. Whether it’s Fat Thursday where we all eat our body weight in Donuts, or a regular Monday, which we have a special brea...