static void
xt_add_focus_listener_tree ( Widget treeroot, XtPointer user_data)
{
Window win = XtWindow(treeroot);
Window *children;
Window root, parent;
Display *dpy = XtDisplay(treeroot);
unsigned int i, nchildren;
/* ensure we don't add more than once */
xt_remove_focus_listener( treeroot, user_data);
xt_add_focus_listener( treeroot, user_data);
trap_errors();
if(!XQueryTree(dpy, win, &root, &parent, &children, &nchildren)) {
untrap_error();
return;
}
if(untrap_error())
return;
for(i=0; i<nchildren; ++i) {
Widget child = XtWindowToWidget(dpy, children[i]);
if (child)
xt_add_focus_listener_tree( child, user_data);
}
XFree((void*)children);
return;
}
static void
send_xembed_message (XtClient *xtclient,
long message,
long detail,
long data1,
long data2,
long time)
{
XEvent xevent;
Window w=XtWindow(xtclient->top_widget);
Display* dpy=xtclient->xtdisplay;
int errorcode;
memset(&xevent,0,sizeof(xevent));
xevent.xclient.window = w;
xevent.xclient.type = ClientMessage;
xevent.xclient.message_type = XInternAtom(dpy,"_XEMBED",False);
xevent.xclient.format = 32;
xevent.xclient.data.l[0] = time;
xevent.xclient.data.l[1] = message;
xevent.xclient.data.l[2] = detail;
xevent.xclient.data.l[3] = data1;
xevent.xclient.data.l[4] = data2;
trap_errors ();
XSendEvent (dpy, w, False, NoEventMask, &xevent);
XSync (dpy,False);
if((errorcode = untrap_error())) {
#ifdef DEBUG_XTBIN
printf("send_xembed_message error(%d)!!!\n",errorcode);
#endif
}
}
static void
xt_remove_focus_listener(Widget w, XtPointer user_data)
{
trap_errors ();
XtRemoveEventHandler(w, SubstructureNotifyMask | ButtonReleaseMask, TRUE,
(XtEventHandler)xt_client_focus_listener, user_data);
untrap_error();
}
static void
xt_add_focus_listener( Widget w, XtPointer user_data)
{
XtClient *xtclient = user_data;
trap_errors ();
XtAddEventHandler(w,
SubstructureNotifyMask | ButtonReleaseMask,
FALSE,
(XtEventHandler)xt_client_focus_listener,
xtclient);
untrap_error();
}
static void
xt_add_focus_listener( Widget w, XtPointer user_data)
{
XWindowAttributes attr;
long eventmask;
XtClient *xtclient = user_data;
trap_errors ();
XGetWindowAttributes(XtDisplay(w), XtWindow(w), &attr);
eventmask = attr.your_event_mask | SubstructureNotifyMask | ButtonReleaseMask;
XSelectInput(XtDisplay(w),
XtWindow(w),
eventmask);
XtAddEventHandler(w,
SubstructureNotifyMask | ButtonReleaseMask,
TRUE,
(XtEventHandler)xt_client_focus_listener,
xtclient);
untrap_error();
}