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Return Widget::children() by reference.

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This commit is contained in:
Jared Boone
2016-02-07 11:24:25 -08:00
parent 2b6bc03408
commit 5a66c68861
2 changed files with 9 additions and 5 deletions
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firmware/common/ui_widget.cpp
+5 -3
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@@ -46,6 +46,8 @@ bool is_dirty() {
/* Widget ****************************************************************/
const std::vector<Widget*> Widget::no_children { };
Point Widget::screen_pos() {
return screen_rect().pos;
}
@@ -153,8 +155,8 @@ bool Widget::on_touch(const TouchEvent event) {
return false;
}
const std::vector<Widget*> Widget::children() const {
return { };
const std::vector<Widget*>& Widget::children() const {
return no_children;
}
Context& Widget::context() const {
@@ -244,7 +246,7 @@ void View::remove_child(Widget* const widget) {
}
}
const std::vector<Widget*> View::children() const {
const std::vector<Widget*>& View::children() const {
return children_;
}