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LibGUI: Make focus events more aware of why focus is changing

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This patch adds GUI::FocusEvent which has a GUI::FocusSource.
The focus source is one of three things:

- Programmatic
- Mouse
- Keyboard

This allows receivers of focus events to implement different behaviors
depending on how they receive/lose focus.
This commit is contained in:
Andreas Kling 2020-08-14 19:56:40 +02:00
parent 110b3d89d3
commit 75b8f4e4e6
14 changed files with 94 additions and 41 deletions
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6
Libraries/LibGUI/Window.cpp
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@ -525,17 +525,17 @@ void Window::set_main_widget(Widget* widget)
update();
}
void Window::set_focused_widget(Widget* widget)
void Window::set_focused_widget(Widget* widget, FocusSource source)
{
if (m_focused_widget == widget)
return;
if (m_focused_widget) {
Core::EventLoop::current().post_event(*m_focused_widget, make<Event>(Event::FocusOut));
Core::EventLoop::current().post_event(*m_focused_widget, make<FocusEvent>(Event::FocusOut, source));
m_focused_widget->update();
}
m_focused_widget = widget ? widget->make_weak_ptr() : nullptr;
if (m_focused_widget) {
Core::EventLoop::current().post_event(*m_focused_widget, make<Event>(Event::FocusIn));
Core::EventLoop::current().post_event(*m_focused_widget, make<FocusEvent>(Event::FocusIn, source));
m_focused_widget->update();
}
}