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Fix TabContainer emitting spurious tab_selected signals when a theme is changed 

- The repaint code was moved outside of set_current_tab() and to a "_repaint()" private function
- _on_theme_changed() will now only call _repaint() and update()
This means _on_theme_changed() will do only what it needs (repainting the TabContainer to account for the new theme)

fixes #39498
This commit is contained in:
Lisandro Lorea 2020-06-13 19:15:47 -03:00
parent 58034f3982
commit 5123006f06
2 changed files with 26 additions and 20 deletions
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45
scene/gui/tab_container.cpp
View File

@ -435,7 +435,30 @@ void TabContainer::_notification(int p_what) {
void TabContainer::_on_theme_changed() {
if (get_tab_count() > 0) {
set_current_tab(get_current_tab());
_repaint();
update();
}
}
void TabContainer::_repaint() {
Ref<StyleBox> sb = get_theme_stylebox("panel");
Vector<Control *> tabs = _get_tabs();
for (int i = 0; i < tabs.size(); i++) {
Control *c = tabs[i];
if (i == current) {
c->show();
c->set_anchors_and_margins_preset(Control::PRESET_WIDE);
if (tabs_visible) {
c->set_margin(MARGIN_TOP, _get_top_margin());
}
c->set_margin(Margin(MARGIN_TOP), c->get_margin(Margin(MARGIN_TOP)) + sb->get_margin(Margin(MARGIN_TOP)));
c->set_margin(Margin(MARGIN_LEFT), c->get_margin(Margin(MARGIN_LEFT)) + sb->get_margin(Margin(MARGIN_LEFT)));
c->set_margin(Margin(MARGIN_RIGHT), c->get_margin(Margin(MARGIN_RIGHT)) - sb->get_margin(Margin(MARGIN_RIGHT)));
c->set_margin(Margin(MARGIN_BOTTOM), c->get_margin(Margin(MARGIN_BOTTOM)) - sb->get_margin(Margin(MARGIN_BOTTOM)));
} else {
c->hide();
}
}
}
@ -551,25 +574,7 @@ void TabContainer::set_current_tab(int p_current) {
int pending_previous = current;
current = p_current;
Ref<StyleBox> sb = get_theme_stylebox("panel");
Vector<Control *> tabs = _get_tabs();
for (int i = 0; i < tabs.size(); i++) {
Control *c = tabs[i];
if (i == current) {
c->show();
c->set_anchors_and_margins_preset(Control::PRESET_WIDE);
if (tabs_visible) {
c->set_margin(MARGIN_TOP, _get_top_margin());
}
c->set_margin(Margin(MARGIN_TOP), c->get_margin(Margin(MARGIN_TOP)) + sb->get_margin(Margin(MARGIN_TOP)));
c->set_margin(Margin(MARGIN_LEFT), c->get_margin(Margin(MARGIN_LEFT)) + sb->get_margin(Margin(MARGIN_LEFT)));
c->set_margin(Margin(MARGIN_RIGHT), c->get_margin(Margin(MARGIN_RIGHT)) - sb->get_margin(Margin(MARGIN_RIGHT)));
c->set_margin(Margin(MARGIN_BOTTOM), c->get_margin(Margin(MARGIN_BOTTOM)) - sb->get_margin(Margin(MARGIN_BOTTOM)));
} else {
c->hide();
}
}
_repaint();
_change_notify("current_tab");

1
scene/gui/tab_container.h
View File

@ -65,6 +65,7 @@ private:
Vector<Control *> _get_tabs() const;
int _get_tab_width(int p_index) const;
void _on_theme_changed();
void _repaint();
void _on_mouse_exited();
void _update_current_tab();