源码：#include 
    
     #include 
     
      #define TEST_W 100#define TEST_H 80gboolean drag = FALSE;   // 只在左键按下时拖动窗体gboolean hide = FALSE;   // 只在左键按下时拖动窗体int nX = 0;int nY = 0;GtkWidget *window;static gint button_press_event(GtkWidget * widget,GdkEventButton * event, gpointer data){        if (event->button == 1)       // 判断是否左键按下        {                 drag = TRUE;                 nX = event->x;  // 取得鼠标相对于窗口的位置                 nY = event->y;        }        // gdk_window_move_resize (widget->window, x, y, width, height);        //gdk_window_move_resize (widget->window, 0, 0, 10, 80);        //gtk_widget_set_usize(window,50,TEST_H);// gtk_widget_set_size_request(window, 5, TEST_H);        return TRUE;}static gint button_release_event(GtkWidget * widget, GdkEventButton * event,gpointer data)         // 鼠标抬起事件{    //gdk_window_move_resize (widget->window, 0, 0, 100, 80);    //gtk_widget_set_usize(window,10, TEST_H);//gtk_widget_set_size_request(window, TEST_W, TEST_H);        if (event->button == 1)                 drag = FALSE;                return TRUE;}static gint motion_notify_event(GtkWidget * widget, GdkEventButton * event,gpointer data)//鼠标移动事件{       gint x, y;       GtkWidget *window = (GtkWidget *) data;       gtk_window_get_position((GtkWindow *) window, &x, &y);         // 取窗体绝对坐标       gdk_window_move_resize (widget->window, x, y, 100, 80);        if (drag)        {                                  gtk_window_move((GtkWindow *) window, x + event->x - nX, y + event->y - nY);// 移动窗体                 g_print("x=%d;y=%d\n",x,y);                        }        return TRUE;}gboolean leave_event (GtkWidget *widget,GdkEventCrossing  *event,gpointer  data)//鼠标离开事件{    gint x, y;        GtkWidget *window = (GtkWidget *) data;        gtk_window_get_position((GtkWindow *) window, &x, &y);// 取窗体绝对坐标        if(x<=5)                    gdk_window_move_resize (widget->window, 0, y, 5, 80);                      return TRUE;}int main(int argc, char **argv){             gtk_init(&argc, &argv);        window = gtk_window_new(GTK_WINDOW_TOPLEVEL);        //gtk_window_set_decorated(GTK_WINDOW(window), FALSE);   // 去掉边框        //gtk_widget_set_size_request(window, TEST_W, TEST_H);//设置窗体最小尺寸        //gtk_window_set_default_size(window,TEST_W,TEST_H);        //gtk_widget_set_usize(window,TEST_W, TEST_H);//设置窗体大小        //gtk_window_move((GtkWindow *) window, -20, -10);        gtk_widget_set_events(window,  // 设置窗体获取鼠标事件                //window.allocation                   GDK_EXPOSURE_MASK | GDK_LEAVE_NOTIFY_MASK                   | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK                   | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK);        gtk_signal_connect(GTK_OBJECT(window), "button_press_event",                   (GtkSignalFunc) button_press_event, window);       // 加入事件回调        gtk_signal_connect(GTK_OBJECT(window), "motion_notify_event",                   (GtkSignalFunc) motion_notify_event, window);        gtk_signal_connect(GTK_OBJECT(window), "button_release_event",                   (GtkSignalFunc) button_release_event, window);        g_signal_connect (GTK_OBJECT (window), "leave_notify_event",                   (GtkSignalFunc)   leave_event, window);        gtk_widget_show_all(window);        gtk_main();        return TRUE;}