启动“gnome-run”对话框

“gnome-run” 命令在比较新的gnome里已经没有了。只能用编程的方法来做到这一点了。这个是gnome定义的少数几个Atom之一。

void die(const char *message)
{
 fputs(message, stderr);
 exit(1);
}

Atom get_atom(Display *display, const char *atom_name)
{
 Atom atom = XInternAtom(display, atom_name, False);
 if (atom == None)
  die("can't find an atom I need");
 return atom;
}

int main()
{
 Display *display;
 Atom gnome_panel_atom, run_atom;
 XClientMessageEvent event;

 display = XOpenDisplay(NULL);
 if (display == NULL)
  die("can't open display");

 gnome_panel_atom = get_atom(display, "_GNOME_PANEL_ACTION");
 run_atom = get_atom(display, "_GNOME_PANEL_ACTION_RUN_DIALOG");

 event.type = ClientMessage;
 event.window = DefaultRootWindow(display);
 event.message_type = gnome_panel_atom;
 event.format = 32;
 event.data.l[0] = run_atom;
 event.data.l[1] = (Time)0;

 XSendEvent(display, event.window, False, StructureNotifyMask,
            (XEvent *)&event);

 XCloseDisplay(display);

 return 0;
}

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