public MC_TextBox(string text, Rectangle position, SpriteFont font, Color color, float spacing)
{
this.text = new WrappedText(text, position.Width, font);
sfont = font;
c = color;
pos = position.Location;
this.spacing = spacing;
}
public override void DrawThis(Display display)
{
if (IsEmpty)
{
return;
}
string text = ToString();
if (string.IsNullOrWhiteSpace(text))
{
return;
}
if (DrawBackground)
{
display.DrawRectangle(new Rectangle(TextRectangle.Left, TextRectangle.Top, TextRectangle.Width, TextRectangle.Height + 4), MainSettings.Instance.BackColor);
}
//get what color text should be based on root screen
var color = TextColor;
if (TextColor == Color.Transparent)
{
color = GetRootScreen() is MainScreen ? MainSettings.Instance.TextColor : OverlaySettings.Instance.TextColor;
}
if (Rectangle.Size == Point.Zero)
{
display.DrawString(Font, text, Location.ToVector2(), color);
}
else
{
//draw text wrapped and aligned in bounding box
var bounds = Rectangle;
float y = bounds.Top;
foreach (var line in WrappedText.Split('\n'))
{
string trimmed = line.Trim();
var size = Font.MeasureString(trimmed).ToPoint();
//calculate horizontal position of this line
int x = HorizontalAlign switch
{
HorizontalAlign.Center => (bounds.Left + (bounds.Width / 2 - size.X / 2)),
HorizontalAlign.Left => bounds.Left,
_ => bounds.Right - size.X
};
display.DrawString(Font, trimmed, new Vector2(x, y), color);
//next line
y += size.Y;
}
}
}
/// <summary>
/// TextWrapping プロパティが Wrap に設定されている場合での文字列サイズを測定します。
/// また同時に、WrappedText プロパティを利用可能な状態へと設定します。
/// </summary>
/// <param name="availableWidth">利用可能な幅。</param>
/// <returns>折り返しを考慮した文字列のサイズ。</returns>
Vector2 MeasureWrappedTextSize(float availableWidth)
{
if (WrappedText == null)
{
WrappedText = new WrappedText();
}
WrappedText.Text = Text;
WrappedText.Font = Font ?? Screen.Font;
WrappedText.FontStretch = FontStretch;
WrappedText.ClientWidth = availableWidth;
WrappedText.Wrap();
return(WrappedText.MeasuredSize);
}
public Task SynchronizeTextAsync(DocumentId documentId, Checksum baseTextChecksum, IEnumerable <TextChange> textChanges, CancellationToken cancellationToken)
{
return(RunServiceAsync(async() =>
{
using (RoslynLogger.LogBlock(FunctionId.RemoteHostService_SynchronizeTextAsync, Checksum.GetChecksumLogInfo, baseTextChecksum, cancellationToken))
{
var service = SolutionService.PrimaryWorkspace.Services.GetService <ISerializerService>();
if (service == null)
{
return;
}
var text = await TryGetSourceTextAsync().ConfigureAwait(false);
if (text == null)
{
// it won't bring in base text if it is not there already.
// text needed will be pulled in when there is request
return;
}
var newText = new WrappedText(text.WithChanges(textChanges));
var newChecksum = service.CreateChecksum(newText, cancellationToken);
// save new text in the cache so that when asked, the data is most likely already there
//
// this cache is very short live. and new text created above is ChangedText which share
// text data with original text except the changes.
// so memory wise, this doesn't put too much pressure on the cache. it will not duplicates
// same text multiple times.
//
// also, once the changes are picked up and put into Workspace, normal Workspace
// caching logic will take care of the text
AssetStorage.TryAddAsset(newChecksum, newText);
}
async Task <SourceText?> TryGetSourceTextAsync()
{
// check the cheap and fast one first.
// see if the cache has the source text
if (AssetStorage.TryGetAsset <SourceText>(baseTextChecksum, out var sourceText))
{
return sourceText;
}
// do slower one
// check whether existing solution has it
var document = SolutionService.PrimaryWorkspace.CurrentSolution.GetDocument(documentId);
if (document == null)
{
return null;
}
// check checksum whether it is there.
// since we lazily synchronize whole solution (SynchronizePrimaryWorkspaceAsync) when things are idle,
// soon or later this will get hit even if text changes got out of sync due to issues in VS side
// such as file is first opened and there is no SourceText in memory yet.
if (!document.State.TryGetStateChecksums(out var state) ||
!state.Text.Equals(baseTextChecksum))
{
return null;
}
return await document.GetTextAsync(cancellationToken).ConfigureAwait(false);
}
}, cancellationToken));
}
