Move the layout constraint tracker into the window where we can apply
the constraints right before drawing, instead of doing that from within
the event loop. This allows to remove the component parameter from the
run function.
This will allow the online editor to load imports from URL asynchroniously later
Since currently the compiler is only working on a single thread, and that we
never await on a future that could block, it is allowed to use the spin_on executor
We parse hex colors as per CSS, including the #RRGGBBAA variant, as per
https://www.w3.org/TR/css-color-4/#hex-notation . This is now documented
and the JS conversion also generates that instead of #AARRGGBB.
Delay the conversion of percentage to the float to code generation type
by inserting the multiplication into the syntax tree. That way we will
be able to detect plain uses of percetages and interpret them
differently.
Similar to the mouse_grabber, we use a VisitChildrenResult field to
track the focus item within a component. Unlike the mouse grabber
however, it is set/cleared using dedicated focus events.
The key event now routes the key event directly to the focus item.
The focus can be requested via set_focus_item on a window, which the
TextItem does.
Instead, pass a reference to the root item when mapping the window,
at which point we can downcast to the new Window item. If we have one,
then we'll read its width/height (for initial values) and install
bindings to keep them up-to-date.
This adds horizontal_alignment/vertical_alignment properties, along with
width/height to Text.
This still uses a hard-coded enumeration in the compiler, which is meant
to go away in favor of general enum support.
We were not parsing CodeBlock node from the signal handler correctly,
we wer eonly taking the first expression instead of the whole codeblock
In JS, emitting signal before the show() did not update the GLOBAL_CONTEXT
needed to emit signals defined in JS
The Rectangle element has properties for a border outline. If those are
used, then the generated code should use BorderRectangle. But if they are
not used, then we can fall back to just generating a Rectangle.
