protected override async Task OnInitializedAsync()
{
OnWindowResize(1920, 1080); // initial guess
var sz = await XFUilities.RegisterApplicationPage(this);
OnWindowResize(sz.Width, sz.Height);
await base.OnInitializedAsync();
}
protected override Size MeasureOverride(Size availableSize)
{
if (_needsTextMeasure)
{
_needsTextMeasure = false;
XFUilities.MeasureText(
this.Element.Text,
this.ActualFontFamily,
this.Element.FontSize).ContinueWith(t =>
{
_textSize = new Size(t.Result, this.Element.FontSize);
this.Element.NativeSizeChanged();
this.InvalidateRender();
});
return(new Size(
_textSize.Width +
8 * 2
,
_textSize.Height +
8 * 2
//+ this.ActualBorderWidth * 2
));
}
else
{
return(new Size
{
Width = _textSize.Width +
this.Element.Bounds.Width
//+ this.ActualBorderWidth * 2
,
Height = _textSize.Height +
this.Element.Bounds.Height
//+ this.ActualBorderWidth * 2
});
}
}
protected override Size MeasureOverride(Size availableSize)
{
if (_needsTextMeasure)
{
_needsTextMeasure = false;
var t = XFUilities.MeasureText(
this.Element.Text,
this.Element.FontFamily,
this.Element.FontSize);
t.ContinueWith(t =>
{
this.DesiredSize = new Size(t.Result, this.Element.FontSize * this.ActualLineHeight);
this.Element.NativeSizeChanged();
this.InvalidateRender();
});
return(new Size(
this.Element.FontSize * 0.75 * this.Element.Text.Length, // just a guess
this.Element.FontSize));
}
else
{
return(this.DesiredSize);
}
}
