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Merge pull request #39805 from RandomShaper/fix_gone_popup_crash

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Handle gone TabContainer popup nicely
This commit is contained in:
Rémi Verschelde 2020-06-24 20:21:17 +02:00 committed by GitHub
commit 057489b329
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 21 additions and 4 deletions
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21
scene/gui/tab_container.cpp
View file

@ -71,6 +71,8 @@ int TabContainer::_get_top_margin() const {
void TabContainer::_gui_input(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseButton> mb = p_event;
Popup *popup = get_popup();
if (mb.is_valid() && mb->is_pressed() && mb->get_button_index() == BUTTON_LEFT) {
Point2 pos(mb->get_position().x, mb->get_position().y);
Size2 size = get_size();
@ -82,6 +84,7 @@ void TabContainer::_gui_input(const Ref<InputEvent> &p_event) {
// Handle menu button.
Ref<Texture2D> menu = get_theme_icon("menu");
if (popup && pos.x > size.width - menu->get_width()) {
emit_signal("pre_popup_pressed");
@ -223,6 +226,7 @@ void TabContainer::_notification(int p_what) {
int header_width = get_size().width - side_margin * 2;
// Find the width of the header area.
Popup *popup = get_popup();
if (popup) {
header_width -= menu->get_width();
}
@ -284,6 +288,7 @@ void TabContainer::_notification(int p_what) {
int header_x = side_margin;
int header_width = size.width - side_margin * 2;
int header_height = _get_top_margin();
Popup *popup = get_popup();
if (popup) {
header_width -= menu->get_width();
}
@ -749,6 +754,7 @@ int TabContainer::get_tab_idx_at_point(const Point2 &p_point) const {
Size2 size = get_size();
int right_ofs = 0;
Popup *popup = get_popup();
if (popup) {
Ref<Texture2D> menu = get_theme_icon("menu");
right_ofs += menu->get_width();
@ -948,12 +954,24 @@ Size2 TabContainer::get_minimum_size() const {
void TabContainer::set_popup(Node *p_popup) {
ERR_FAIL_NULL(p_popup);
popup = Object::cast_to<Popup>(p_popup);
Popup *popup = Object::cast_to<Popup>(p_popup);
popup_obj_id = popup ? popup->get_instance_id() : ObjectID();
update();
}
Popup *TabContainer::get_popup() const {
if (popup_obj_id.is_valid()) {
Popup *popup = Object::cast_to<Popup>(ObjectDB::get_instance(popup_obj_id));
if (popup) {
return popup;
} else {
#ifdef DEBUG_ENABLED
ERR_PRINT("Popup assigned to TabContainer is gone!");
#endif
popup_obj_id = ObjectID();
}
}
return nullptr;
}
void TabContainer::set_drag_to_rearrange_enabled(bool p_enabled) {
@ -1037,7 +1055,6 @@ TabContainer::TabContainer() {
previous = 0;
align = ALIGN_CENTER;
tabs_visible = true;
popup = nullptr;
drag_to_rearrange_enabled = false;
tabs_rearrange_group = -1;
use_hidden_tabs_for_min_size = false;

2
scene/gui/tab_container.h
View file

@ -57,7 +57,7 @@ private:
TabAlign align;
Control *_get_tab(int p_idx) const;
int _get_top_margin() const;
Popup *popup;
mutable ObjectID popup_obj_id;
bool drag_to_rearrange_enabled;
bool use_hidden_tabs_for_min_size;
int tabs_rearrange_group;