0
我在C++上编写了一个小型的GTK +应用程序,可以在Debian x64上使用Gnome 3正常工作。但是,它在Lubuntu x86上不起作用。所以我编写了一个测试程序,它可以创建窗口,其中包含我的gui.glade文件中的一些小部件,但它在Lubuntu上不起作用,但适用于Debian。这里去测试代码:基于不同操作系统上的.glade文件的GTK + 3应用程序
#include <gtk/gtk.h>
void create_window()
{
GtkBuilder *builder;
builder = gtk_builder_new();
gtk_builder_add_from_file (builder, "src/gui.glade", NULL);
gtk_builder_connect_signals (builder, NULL);
GtkWidget *window;
window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
gtk_window_set_title (GTK_WINDOW (window), "Startup Settings");
g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
gtk_widget_show (window);
}
int main (int argc, char *argv[])
{
gtk_init (&argc, &argv);
create_window();
gtk_main();
}
我使用g ++编译:
g++ -std=c++11 `pkg-config --cflags gtk+-3.0` test.cpp -rdynamic `pkg-config --libs gtk+-3.0`
错误输出:
** (a.out:17864): WARNING **: Error retrieving accessibility bus address: org.freedesktop.DBus.Error.ServiceUnknown: The name org.a11y.Bus was not provided by any .service files
(a.out:17864): Gtk-CRITICAL **: gtk_window_set_title: assertion 'GTK_IS_WINDOW (window)' failed
(a.out:17864): GLib-GObject-WARNING **: invalid (NULL) pointer instance
(a.out:17864): GLib-GObject-CRITICAL **: g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(a.out:17864): Gtk-CRITICAL **: gtk_widget_show: assertion 'GTK_IS_WIDGET (widget)' faile
您可以下载gui.glade here。
检查你的错误('gtk_builder_add_from_file()'的最后一个参数))。 – andlabs
@andlabs,如何获取错误消息或代码?发生错误('gtk_builder_add_from_file:assertion'错误== NULL || * error == null'failed'),但我不能'g_print(error-> message)',它会导致分段错误。 – hant0508