学步园

//hello.c
#include <gtk/gtk.h>
//主窗口中按钮的回调函数
void	on_button_clicked(GtkWidget* button, gpointer userdata)
{
	GtkWidget *dialog;
//创建带确认按钮的对话框，父控件为空
	dialog = gtk_message_dialog_new(NULL, 
			GTK_DIALOG_MODAL |GTK_DIALOG_DESTROY_WITH_PARENT,
			GTK_MESSAGE_INFO,
			GTK_BUTTONS_OK,
			(gchar*)userdata);
	gtk_dialog_run(GTK_DIALOG(dialog));//显示并运行对话框
	gtk_widget_destroy(dialog);//销毁对话框
}
//主函数
int	main(int argc, char* argv[])
{
	GtkWidget *window, *button;
	//初始化GTK+程序
	gtk_init(&argc, &argv);
	//创建窗口，并为窗口的关闭信号加回调函数以便退出
	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	g_signal_connect(G_OBJECT(window),"delete_event",
			G_CALLBACK(gtk_main_quit),NULL);
	gtk_window_set_title(GTK_WINDOW(window),"Hello World!");
	gtk_container_set_border_width(GTK_CONTAINER(window),10);
	//创建按钮控件，为单击信号加回调函数，将其放入窗口中
	button=gtk_button_new_with_label("Hello World!");
	g_signal_connect(G_OBJECT(button),"clicked",
			G_CALLBACK(on_button_clicked),(gpointer)"你好！/n自由的世界。");
	gtk_container_add(GTK_CONTAINER(window),button);
	//下面函数显示窗口控件同时显示其中的所有其它控件
	gtk_widget_show_all(window);
	gtk_main();
	return FALSE;
}

CC = gcc
all:
	$(CC) `pkg-config --cflags --libs gtk+-2.0` hello.c -o hello

g_signal_connect(G_OBJECT(button),"clicked",
	G_CALLBACK(on_button_clicked),(gpointer)"你好！/n自由的世界。");

#include <libintl.h>		//gettext支持
#include <locale.h>		//locale支持

#define PACKAGE "hello"	//软件包名
#define LOCALEDIR "./locale" //locale所在目录
#define _(string)	gettext(string)
#define N_(string)	string

	bindtextdomain(PACKAGE,LOCALEDIR);
	//以上函数用来设定国际化翻译包所在位置
	textdomain(PACKAGE);
	//以上函数用来设定国际化翻译包名称，省略了.mo

	gtk_window_set_title(GTK_WINDOW(window),_("Hello World!"));
	... ...
	button=gtk_button_new_with_label(_("Hello World!"));
	g_signal_connect(G_OBJECT(button),"clicked",
			G_CALLBACK(on_button_clicked),(gpointer)(_("Hello, the Free World!")));
... ...

#: hello.c:26 hello.c:29
msgid "Hello World!"
msgstr "你好世界！"
#: hello.c:31
msgid "Hello, the Free World!"
msgstr "你好，自由的世界！"

AUTOMAKE_OPTIONS = foreign
INCLUDES = `pkg-config --cflags gtk+-2.0`
LIBS = `pkg-config --libs gtk+-2.0`
bin_PROGRAMS = hello
hello_SOURCES = hello.c

//thread.c
#include <gtk/gtk.h>
typedef struct _Ourarg Ourarg;
struct _Ourarg {
	GtkWidget *fixed;
	GtkWidget *image;
	gint right;
	gint left;
};
void	image_go(Ourarg *arg)
{
	gint x, y, toward;
	x = y = arg->left;
	toward = 1;
	for(;;)
	{
		g_usleep(1500);
		gdk_threads_enter();
		gtk_fixed_move(GTK_FIXED(arg->fixed),arg->image, x, y);
		switch(toward)
		{
		case 1:
			x = x + 10;
			if( x > arg->right ) toward = 2;
			break;
		case 2:
			y = y + 10;
			if( y > arg->right ) toward = 3;
			break;
		case 3:
			x = x - 10;
			if( x < arg->left ) toward = 4;
			break;
		case 4:
			y = y -10;
			if( y < arg->left ) toward = 1;
		}
		gdk_threads_leave();
	}
}
int	main(int argc, char* argv[])
{
	GtkWidget *window;
	GtkWidget *vbox, *viewport, *button;
	GtkWidget *image, *fixed;
	Ourarg *arg;
	if(!g_thread_supported()) g_thread_init(NULL);
	gdk_threads_init();
	gtk_init(&argc,&argv);
	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	gtk_window_set_title(GTK_WINDOW(window),"线程测试");
	g_signal_connect(G_OBJECT(window),"delete_event",
			G_CALLBACK(gtk_main_quit),NULL);
	gtk_container_set_border_width(GTK_CONTAINER(window),2);
	vbox = gtk_vbox_new(FALSE,0);
	gtk_container_add(GTK_CONTAINER(window),vbox);
	fixed = gtk_fixed_new();
	gtk_widget_set_usize(fixed,340,340);
	viewport = gtk_viewport_new(NULL,NULL);
	gtk_box_pack_start(GTK_BOX(vbox),viewport,FALSE,FALSE,5);
	gtk_container_add(GTK_CONTAINER(viewport),fixed);
	image = gtk_image_new_from_file("ss.png");
	gtk_fixed_put(GTK_FIXED(fixed),image,40,40);
	button = gtk_button_new_with_label("退出");
	gtk_box_pack_start(GTK_BOX(vbox),button,FALSE,FALSE,5);
	g_signal_connect(G_OBJECT(button),"clicked",
			G_CALLBACK(gtk_main_quit),NULL);
	gtk_widget_show_all(window);
	arg = g_new(Ourarg,1);
	arg->fixed = fixed;
	arg->image = image;
	arg->left = 40;
	arg->right = 260;
	g_thread_create(image_go, arg, FALSE, NULL);
	gdk_threads_enter();
	gtk_main();
	gdk_threads_leave();
	return FALSE;
}

		if(!g_thread_supported()) g_thread_init(NULL);
	gdk_threads_init();