Fix find_next_valid_focus() freeze

(cherry picked from commit d9ede52ded9eb7ef6ccb7c704f1d9ccbe7f23861)
This commit is contained in:
kobewi 2022-06-30 16:22:40 +02:00 committed by Relintai
parent bfdfdac24b
commit 8e9782ac76

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@ -1828,7 +1828,7 @@ void Control::set_focus_mode(FocusMode p_focus_mode) {
static Control *_next_control(Control *p_from) { static Control *_next_control(Control *p_from) {
if (p_from->is_set_as_toplevel()) { if (p_from->is_set_as_toplevel()) {
return nullptr; // can't go above return nullptr; // Can't go above.
} }
Control *parent = Object::cast_to<Control>(p_from->get_parent()); Control *parent = Object::cast_to<Control>(p_from->get_parent());
@ -1848,7 +1848,7 @@ static Control *_next_control(Control *p_from) {
return c; return c;
} }
//no next in parent, try the same in parent // No next in parent, try the same in parent.
return _next_control(parent); return _next_control(parent);
} }
@ -1872,7 +1872,7 @@ Control *Control::find_next_valid_focus() const {
} }
} }
// find next child // Find next child.
Control *next_child = nullptr; Control *next_child = nullptr;
@ -1888,7 +1888,7 @@ Control *Control::find_next_valid_focus() const {
if (!next_child) { if (!next_child) {
next_child = _next_control(from); next_child = _next_control(from);
if (!next_child) { //nothing else.. go up and find either window or subwindow if (!next_child) { // Nothing else. Go up and find either window or subwindow.
next_child = const_cast<Control *>(this); next_child = const_cast<Control *>(this);
while (next_child && !next_child->is_set_as_toplevel()) { while (next_child && !next_child->is_set_as_toplevel()) {
next_child = cast_to<Control>(next_child->get_parent()); next_child = cast_to<Control>(next_child->get_parent());
@ -1906,7 +1906,7 @@ Control *Control::find_next_valid_focus() const {
} }
} }
if (next_child == this) { // no next control-> if (next_child == from) { // No next control.
return (get_focus_mode() == FOCUS_ALL) ? next_child : nullptr; return (get_focus_mode() == FOCUS_ALL) ? next_child : nullptr;
} }
if (next_child) { if (next_child) {
@ -1938,7 +1938,7 @@ static Control *_prev_control(Control *p_from) {
return p_from; return p_from;
} }
//no prev in parent, try the same in parent // No prev in parent, try the same in parent.
return _prev_control(child); return _prev_control(child);
} }
@ -1962,12 +1962,12 @@ Control *Control::find_prev_valid_focus() const {
} }
} }
// find prev child // Find prev child.
Control *prev_child = nullptr; Control *prev_child = nullptr;
if (from->is_set_as_toplevel() || !Object::cast_to<Control>(from->get_parent())) { if (from->is_set_as_toplevel() || !Object::cast_to<Control>(from->get_parent())) {
//find last of the children // Find last of the children.
prev_child = _prev_control(from); prev_child = _prev_control(from);
@ -1990,7 +1990,7 @@ Control *Control::find_prev_valid_focus() const {
} }
} }
if (prev_child == this) { // no prev control-> if (prev_child == from) { // No prev control.
return (get_focus_mode() == FOCUS_ALL) ? prev_child : nullptr; return (get_focus_mode() == FOCUS_ALL) ? prev_child : nullptr;
} }