static Window
TryChildren(Display *dpy, Window win, Atom WM_STATE)
{
Window root, parent;
Window *children;
unsigned int nchildren;
unsigned int i;
Atom type = None;
int format;
unsigned long nitems, after;
unsigned char *data;
Window inf = 0;
if (!XQueryTree(dpy, win, &root, &parent, &children, &nchildren))
return 0;
for (i = 0; !inf && (i < nchildren); i++) {
data = NULL;
XGetWindowProperty(dpy, children[i], WM_STATE, 0, 0, False,
AnyPropertyType, &type, &format, &nitems,
&after, &data);
if (data)
XFree(data);
if (type)
inf = children[i];
}
for (i = 0; !inf && (i < nchildren); i++)
inf = TryChildren(dpy, children[i], WM_STATE);
if (children)
XFree(children);
return inf;
}
Window XmuClientWindow (Display *dpy,Window win)
{
Atom WM_STATE;
Atom type = None;
int format;
unsigned long nitems, after;
unsigned char *data;
Window inf;
WM_STATE = XInternAtom(dpy, "WM_STATE", True);
if (!WM_STATE)
return win;
XGetWindowProperty(dpy, win, WM_STATE, 0, 0, False, AnyPropertyType,
&type, &format, &nitems, &after, &data);
if (type)
return win;
inf = TryChildren(dpy, win, WM_STATE);
if (!inf)
inf = win;
return inf;
}
void AnimContextStack::MoveToNext(const uint64 delta, int fps) {
spt<GeneralAnim> actualNode;
do {
// get actual node
actualNode = context.GetActualChild();
// 1) scan frames of actual node
// 2) scan children of actual node
// 3) check next loop of actual node
// 4) scan siblings
if (!TryNextFrame(actualNode, delta, fps) && !TryChildren(actualNode) && !TryNextLoop(actualNode, delta, fps) && !TrySibling()) {
// nothing found -> pop context and go to the higher level
bool foundNode = false;
while (!nodeStack.empty()) {
// pop context
context = nodeStack.top();
nodeStack.pop();
actualNode = context.GetActualChild();
// check next loop and scan siblings
if (TryNextLoop(actualNode, delta, fps) || TrySibling()) {
foundNode = true;
break;
}
}
if (!foundNode && nodeStack.empty()) {
// there is no node to animate
ended = true;
return;
}
}
// do it until an animatable node is found
} while (!context.GetActualChild()->IsAnimatable());
}
