void builder_init(void); void builder_term(void); GtkBuilder *builder_handler_get(void);
时间: 2024-05-17 17:17:05 浏览: 65
这是一段 C 语言代码,它定义了三个函数:
- `builder_init`:用于初始化 GtkBuilder。
- `builder_term`:用于终止 GtkBuilder。
- `builder_handler_get`:用于获取 GtkBuilder 的 handler。
其中,GtkBuilder 是 GTK+ 应用程序中用于加载 UI 文件的一个对象,handler 是 GtkBuilder 对象的一个标识符,用于引用该对象。这些函数可能是在一个 GTK+ 应用程序中定义的,用于管理 UI 文件的加载和卸载。
相关问题
void Error_Handler(void)
{
/* User can add his own implementation to report the HAL error return state */
while (1)
{
}
}
This error handler function is provided by the HAL (Hardware Abstraction Layer) library in STM32 microcontrollers. It is called when an error is encountered in the HAL code. By default, it contains an infinite loop that keeps the microcontroller stuck in that loop. The idea is that when an error occurs, the microcontroller will stop executing any further instructions and remain in this infinite loop, indicating that there is an error. The user can customize this function and add their own implementation to report the error return state.
void buttons_init(void) { btn01 = GTK_WIDGET(gtk_builder_get_object(builder_handler_get(), "BTN01")); //从先前创建的 builder_handler 对象中获取名为 "BTN01" 的控件,将其转换为 GtkWidget 类型,并将其赋值给 btn01 指针变量。 btn02 = GTK_WIDGET(gtk_builder_get_object(builder_handler_get(), "BTN02")); btn03 = GTK_WIDGET(gtk_builder_get_object(builder_handler_get(), "BTN03")); btn04 = GTK_WIDGET(gtk_builder_get_object(builder_handler_get(), "BTN04")); btn05 = GTK_WIDGET(gtk_builder_get_object(builder_handler_get(), "BTN05")); btn06 = GTK_WIDGET(gtk_builder_get_object(builder_handler_get(), "BTN06")); }
这段代码是用来初始化按键(button)的。它使用 GTK+ 库中的 gtk_builder_get_object() 函数从一个名为 "builder_handler" 的对象中获取名为 "BTN01"、"BTN02"、"BTN03"、"BTN04"、"BTN05"、"BTN06" 的控件,并将它们转换为 GtkWidget 类型的指针变量 btn01、btn02、btn03、btn04、btn05 和 btn06。这样,我们就可以在程序的其他部分中使用这些指针变量来操作这些按键控件了。