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Un-defer the initial theme changed notification

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Co-authored-by: Rindbee <idleman@yeah.net>
This commit is contained in:
Yuri Sizov 2022-09-02 17:45:09 +03:00
parent ddc55ef746
commit 8b128081e8
5 changed files with 56 additions and 32 deletions
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27
scene/gui/control.cpp
View File

@ -2789,21 +2789,6 @@ Control *Control::make_custom_tooltip(const String &p_text) const {
// Base object overrides.
void Control::add_child_notify(Node *p_child) {
// We propagate when this node uses a custom theme, so it can pass it on to its children.
if (has_theme_owner_node()) {
// `p_notify` is false here as `NOTIFICATION_THEME_CHANGED` will be handled by `NOTIFICATION_ENTER_TREE`.
data.theme_owner->propagate_theme_changed(p_child, get_theme_owner_node(), false, true);
}
}
void Control::remove_child_notify(Node *p_child) {
// If the removed child isn't inheriting any theme items through this node, then there's no need to propagate.
if (has_theme_owner_node()) {
data.theme_owner->propagate_theme_changed(p_child, nullptr, false, true);
}
}
void Control::_notification(int p_notification) {
switch (p_notification) {
case NOTIFICATION_POSTINITIALIZE: {
@ -2811,10 +2796,16 @@ void Control::_notification(int p_notification) {
_update_theme_item_cache();
} break;
case NOTIFICATION_PARENTED: {
data.theme_owner->assign_theme_on_parented(this);
} break;
case NOTIFICATION_UNPARENTED: {
data.theme_owner->clear_theme_on_unparented(this);
} break;
case NOTIFICATION_ENTER_TREE: {
// Need to defer here, because theme owner information might be set in
// add_child_notify, which doesn't get called until right after this.
call_deferred(SNAME("notification"), NOTIFICATION_THEME_CHANGED);
notification(NOTIFICATION_THEME_CHANGED);
} break;
case NOTIFICATION_POST_ENTER_TREE: {

3
scene/gui/control.h
View File

@ -327,9 +327,6 @@ protected:
// Base object overrides.
virtual void add_child_notify(Node *p_child) override;
virtual void remove_child_notify(Node *p_child) override;
void _notification(int p_notification);
static void _bind_methods();

19
scene/main/window.cpp
View File

@ -805,6 +805,14 @@ void Window::_notification(int p_what) {
_update_theme_item_cache();
} break;
case NOTIFICATION_PARENTED: {
theme_owner->assign_theme_on_parented(this);
} break;
case NOTIFICATION_UNPARENTED: {
theme_owner->clear_theme_on_unparented(this);
} break;
case NOTIFICATION_ENTER_TREE: {
bool embedded = false;
{
@ -1290,23 +1298,12 @@ Rect2i Window::get_usable_parent_rect() const {
}
void Window::add_child_notify(Node *p_child) {
// We propagate when this node uses a custom theme, so it can pass it on to its children.
if (has_theme_owner_node()) {
// `p_notify` is false here as `NOTIFICATION_THEME_CHANGED` will be handled by `NOTIFICATION_ENTER_TREE`.
theme_owner->propagate_theme_changed(p_child, get_theme_owner_node(), false, true);
}
if (is_inside_tree() && wrap_controls) {
child_controls_changed();
}
}
void Window::remove_child_notify(Node *p_child) {
// If the removed child isn't inheriting any theme items through this node, then there's no need to propagate.
if (has_theme_owner_node()) {
theme_owner->propagate_theme_changed(p_child, nullptr, false, true);
}
if (is_inside_tree() && wrap_controls) {
child_controls_changed();
}

37
scene/theme/theme_owner.cpp
View File

@ -68,6 +68,43 @@ bool ThemeOwner::has_owner_node() const {
// Theme propagation.
void ThemeOwner::assign_theme_on_parented(Node *p_for_node) {
// We check if there are any themes affecting the parent. If that's the case
// its children also need to be affected.
// We don't notify here because `NOTIFICATION_THEME_CHANGED` will be handled
// a bit later by `NOTIFICATION_ENTER_TREE`.
Node *parent = p_for_node->get_parent();
Control *parent_c = Object::cast_to<Control>(parent);
if (parent_c && parent_c->has_theme_owner_node()) {
propagate_theme_changed(p_for_node, parent_c->get_theme_owner_node(), false, true);
} else {
Window *parent_w = Object::cast_to<Window>(parent);
if (parent_w && parent_w->has_theme_owner_node()) {
propagate_theme_changed(p_for_node, parent_w->get_theme_owner_node(), false, true);
}
}
}
void ThemeOwner::clear_theme_on_unparented(Node *p_for_node) {
// We check if there were any themes affecting the parent. If that's the case
// its children need were also affected and need to be updated.
// We don't notify because we're exiting the tree, and it's not important.
Node *parent = p_for_node->get_parent();
Control *parent_c = Object::cast_to<Control>(parent);
if (parent_c && parent_c->has_theme_owner_node()) {
propagate_theme_changed(p_for_node, nullptr, false, true);
} else {
Window *parent_w = Object::cast_to<Window>(parent);
if (parent_w && parent_w->has_theme_owner_node()) {
propagate_theme_changed(p_for_node, nullptr, false, true);
}
}
}
void ThemeOwner::propagate_theme_changed(Node *p_to_node, Node *p_owner_node, bool p_notify, bool p_assign) {
Control *c = Object::cast_to<Control>(p_to_node);
Window *w = c == nullptr ? Object::cast_to<Window>(p_to_node) : nullptr;

2
scene/theme/theme_owner.h
View File

@ -53,6 +53,8 @@ public:
// Theme propagation.
void assign_theme_on_parented(Node *p_for_node);
void clear_theme_on_unparented(Node *p_for_node);
void propagate_theme_changed(Node *p_to_node, Node *p_owner_node, bool p_notify, bool p_assign);
// Theme lookup.