Andreas Kling 183f7c9830 LibGUI: Add GLazyWidget, a convenience widget for lazily-built UI's ...

Here's how you can use this to speed up startup time:

    auto widget = GLazyWidget::construct();
    widget->on_first_show = [](auto& self) {
        self.set_layout(...);
        ...
    };

Basically, it allows you to delay building the widget subtree until
it's shown for the first time.

2019-10-02 20:24:29 +02:00

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