public CodePreviewWindow(
Gdk.Window parentWindow,
string fontName = null,
EditorTheme theme = null)
: base(Gtk.WindowType.Popup)
{
ParentWindow = parentWindow ?? MonoDevelop.Ide.IdeApp.Workbench.RootWindow.GdkWindow;
AppPaintable = true;
SkipPagerHint = SkipTaskbarHint = true;
TypeHint = WindowTypeHint.Menu;
this.fontName = fontName = fontName ?? DefaultSourceEditorOptions.Instance.FontName;
layout = PangoUtil.CreateLayout(this);
fontDescription = Pango.FontDescription.FromString(fontName);
fontDescription.Size = (int)(fontDescription.Size * 0.8f);
layout.FontDescription = fontDescription;
layout.Ellipsize = Pango.EllipsizeMode.End;
var geometry = Screen.GetUsableMonitorGeometry(Screen.GetMonitorAtWindow(ParentWindow));
maxWidth = geometry.Width * 2 / 5;
maxHeight = geometry.Height * 2 / 5;
layout.SetText("n");
layout.GetPixelSize(out int _, out int lineHeight);
MaximumLineCount = maxHeight / lineHeight;
theme = theme ?? DefaultSourceEditorOptions.Instance.GetEditorTheme();
colorText = SyntaxHighlightingService.GetColor(theme, EditorThemeColors.Foreground);
colorBg = SyntaxHighlightingService.GetColor(theme, EditorThemeColors.Background);
colorFold = SyntaxHighlightingService.GetColor(theme, EditorThemeColors.CollapsedText);
}
public CodeSegmentPreviewWindow(TextEditor editor, bool hideCodeSegmentPreviewInformString, ISegment segment, int width, int height) : base(Gtk.WindowType.Popup)
{
this.HideCodeSegmentPreviewInformString = hideCodeSegmentPreviewInformString;
this.editor = editor;
this.AppPaintable = true;
layout = PangoUtil.CreateLayout(this);
informLayout = PangoUtil.CreateLayout(this);
informLayout.SetText(CodeSegmentPreviewInformString);
fontDescription = Pango.FontDescription.FromString(editor.Options.FontName);
fontDescription.Size = (int)(fontDescription.Size * 0.8f);
layout.FontDescription = fontDescription;
layout.Ellipsize = Pango.EllipsizeMode.End;
// setting a max size for the segment (40 lines should be enough),
// no need to markup thousands of lines for a preview window
int startLine = editor.Document.OffsetToLineNumber(segment.Offset);
int endLine = editor.Document.OffsetToLineNumber(segment.EndOffset);
const int maxLines = 40;
bool pushedLineLimit = endLine - startLine > maxLines;
if (pushedLineLimit)
{
segment = new Segment(segment.Offset, editor.Document.GetLine(startLine + maxLines).Offset - segment.Offset);
}
layout.Ellipsize = Pango.EllipsizeMode.End;
layout.SetMarkup(editor.Document.SyntaxMode.GetMarkup(editor.Document,
editor.Options,
editor.ColorStyle,
segment.Offset,
segment.Length,
true) + (pushedLineLimit ? Environment.NewLine + "..." : ""));
CalculateSize();
}
public void DrawLineNumber(TextEditor editor, double width, Cairo.Context cr, Cairo.Rectangle area, DocumentLine lineSegment, int line, double x, double y, double lineHeight)
{
var lineNumberBgGC = editor.ColorStyle.LineNumbers.Background;
var lineNumberGC = editor.ColorStyle.LineNumbers.Foreground;
cr.Rectangle(x, y, width, lineHeight);
cr.Color = editor.Caret.Line == line?editor.ColorStyle.LineMarker.GetColor("color") : lineNumberGC;
cr.Fill();
if (line <= editor.Document.LineCount)
{
// Due to a mac? gtk bug I need to re-create the layout here
// otherwise I get pango exceptions.
using (var layout = PangoUtil.CreateLayout(editor)) {
layout.FontDescription = editor.Options.Font;
layout.Width = (int)width;
layout.Alignment = Pango.Alignment.Right;
layout.SetText(line.ToString());
cr.Save();
cr.Translate(x + (int)width + (editor.Options.ShowFoldMargin ? 0 : -2), y);
cr.Color = lineNumberBgGC;
cr.ShowLayout(layout);
cr.Restore();
}
}
}
public FoldMarkerMargin(TextEditor editor)
{
this.editor = editor;
layout = PangoUtil.CreateLayout(editor);
editor.Caret.PositionChanged += HandleEditorCaretPositionChanged;
editor.Document.FoldTreeUpdated += HandleEditorDocumentFoldTreeUpdated;
}
public LayoutProxy RequestLayout()
{
if (layoutQueue.Count == 0)
{
layoutQueue.Enqueue(new LayoutProxy(this, PangoUtil.CreateLayout(widget)));
}
return(layoutQueue.Dequeue());
}
public FoldMarkerMargin(TextEditor editor)
{
this.editor = editor;
layout = PangoUtil.CreateLayout(editor);
delayTimer = new Timer(150);
delayTimer.AutoReset = false;
delayTimer.Elapsed += DelayTimerElapsed;
editor.Caret.PositionChanged += HandleEditorCaretPositionChanged;
}
public GutterMargin(TextEditor editor)
{
this.editor = editor;
layout = PangoUtil.CreateLayout(editor, null);
base.cursor = new Gdk.Cursor(Gdk.CursorType.RightPtr);
this.editor.Document.LineChanged += UpdateWidth;
this.editor.Document.TextSet += HandleEditorDocumenthandleTextSet;
this.editor.Caret.PositionChanged += EditorCarethandlePositionChanged;
}
void CalculateWidth()
{
using (var layout = PangoUtil.CreateLayout(editor)) {
layout.FontDescription = editor.Options.Font;
layout.SetText(editor.Document.LineCount.ToString());
layout.Alignment = Pango.Alignment.Left;
layout.Width = -1;
int height;
layout.GetPixelSize(out this.width, out height);
this.width += 4;
}
}
public FoldMarkerMargin(MonoTextEditor editor)
{
this.editor = editor;
layout = PangoUtil.CreateLayout(editor);
editor.Caret.PositionChanged += HandleEditorCaretPositionChanged;
editor.Document.FoldTreeUpdated += HandleEditorDocumentFoldTreeUpdated;
editor.Caret.PositionChanged += EditorCarethandlePositionChanged;
editor.TextArea.MouseHover += TextArea_MouseHover;
editor.TextArea.MouseLeft += TextArea_MouseLeft;
drawer = new VSCodeFoldMarkerMarginDrawer(this);
UpdateAccessibility();
animationStage.ActorStep += AnimationStage_ActorStep;
}
public SegmentCanvas(TextEditor editor, TextSegment segment, bool removeIndent = true)
{
this.editor = editor;
layout = PangoUtil.CreateLayout(this);
informLayout = PangoUtil.CreateLayout(this);
informLayout.Text = CodeSegmentPreviewWindow.CodeSegmentPreviewInformString;
fontDescription = Font.FromName(editor.Options.FontName).WithSize(Font.Size * 0.8f);
layout.Font = fontDescription;
layout.Trimming = TextTrimming.WordElipsis;
// setting a max size for the segment (40 lines should be enough),
// no need to markup thousands of lines for a preview window
SetSegment(segment, removeIndent);
}
public CodeSegmentPreviewWindow(TextEditor editor, bool hideCodeSegmentPreviewInformString, TextSegment segment, int width, int height, bool removeIndent = true) : base(Gtk.WindowType.Popup)
{
this.HideCodeSegmentPreviewInformString = hideCodeSegmentPreviewInformString;
this.Segment = segment;
this.editor = editor;
this.AppPaintable = true;
layout = PangoUtil.CreateLayout(this);
informLayout = PangoUtil.CreateLayout(this);
informLayout.SetText(CodeSegmentPreviewInformString);
fontDescription = Pango.FontDescription.FromString(editor.Options.FontName);
fontDescription.Size = (int)(fontDescription.Size * 0.8f);
layout.FontDescription = fontDescription;
layout.Ellipsize = Pango.EllipsizeMode.End;
// setting a max size for the segment (40 lines should be enough),
// no need to markup thousands of lines for a preview window
SetSegment(segment, removeIndent);
CalculateSize(width);
}
void CalculateWidth()
{
using (var layout = PangoUtil.CreateLayout(editor)) {
layout.FontDescription = gutterFont;
layout.SetText(LineCountMax.ToString());
layout.Alignment = Pango.Alignment.Left;
layout.Width = -1;
int height;
layout.GetPixelSize(out this.width, out height);
this.width += 4;
if (!editor.Options.ShowFoldMargin)
{
this.width += 2;
}
using (var metrics = editor.PangoContext.GetMetrics(layout.FontDescription, editor.PangoContext.Language)) {
fontHeight = System.Math.Ceiling(0.5 + (metrics.Ascent + metrics.Descent) / Pango.Scale.PangoScale);
}
}
}
internal protected override void Draw(Cairo.Context cr, Cairo.Rectangle area, DocumentLine lineSegment, int line, double x, double y, double lineHeight)
{
var gutterMarker = lineSegment != null ? (MarginMarker)lineSegment.Markers.FirstOrDefault(marker => marker is MarginMarker && ((MarginMarker)marker).CanDraw(this)) : null;
if (gutterMarker != null && gutterMarker.CanDrawBackground(this))
{
bool hasDrawn = gutterMarker.DrawBackground(editor, cr, new MarginDrawMetrics(this, area, lineSegment, line, x, y, lineHeight));
if (!hasDrawn)
{
DrawGutterBackground(cr, line, x, y, lineHeight);
}
}
else
{
DrawGutterBackground(cr, line, x, y, lineHeight);
}
if (gutterMarker != null && gutterMarker.CanDrawForeground(this))
{
gutterMarker.DrawForeground(editor, cr, new MarginDrawMetrics(this, area, lineSegment, line, x, y, lineHeight));
return;
}
if (line <= editor.Document.LineCount)
{
// Due to a mac? gtk bug I need to re-create the layout here
// otherwise I get pango exceptions.
using (var layout = PangoUtil.CreateLayout(editor)) {
layout.FontDescription = gutterFont;
layout.Width = (int)Width;
layout.Alignment = Pango.Alignment.Right;
layout.SetText(line.ToString());
cr.Save();
cr.Translate(x + (int)Width + (editor.Options.ShowFoldMargin ? 0 : -2), y);
cr.SetSourceColor(lineNumberGC);
cr.ShowLayout(layout);
cr.Restore();
}
}
}
public override void DrawForeground(MonoTextEditor editor, Cairo.Context cr, MarginDrawMetrics metrics)
{
var width = metrics.Width;
var lineNumberBgGC = editor.ColorStyle.LineNumbers.Background;
if (metrics.LineNumber <= editor.Document.LineCount)
{
// Due to a mac? gtk bug I need to re-create the layout here
// otherwise I get pango exceptions.
using (var layout = PangoUtil.CreateLayout(editor)) {
layout.FontDescription = editor.Options.Font;
layout.Width = (int)width;
layout.Alignment = Pango.Alignment.Right;
layout.SetText(metrics.LineNumber.ToString());
cr.Save();
cr.Translate(metrics.X + (int)width + (editor.Options.ShowFoldMargin ? 0 : -2), metrics.Y);
cr.SetSourceColor(lineNumberBgGC);
cr.ShowLayout(layout);
cr.Restore();
}
}
}
internal protected override void Draw(Cairo.Context cr, Cairo.Rectangle area, DocumentLine lineSegment, int line, double x, double y, double lineHeight)
{
var gutterMarker = lineSegment != null ? (IGutterMarker)lineSegment.Markers.FirstOrDefault(marker => marker is IGutterMarker) : null;
if (gutterMarker != null)
{
gutterMarker.DrawLineNumber(editor, Width, cr, area, lineSegment, line, x, y, lineHeight);
return;
}
if (editor.Caret.Line == line)
{
editor.TextViewMargin.DrawCaretLineMarker(cr, x, y, Width, lineHeight);
}
else
{
cr.Rectangle(x, y, Width, lineHeight);
cr.Color = lineNumberBgGC;
cr.Fill();
}
if (line <= editor.Document.LineCount)
{
// Due to a mac? gtk bug I need to re-create the layout here
// otherwise I get pango exceptions.
using (var layout = PangoUtil.CreateLayout(editor)) {
layout.FontDescription = gutterFont;
layout.Width = (int)Width;
layout.Alignment = Pango.Alignment.Right;
layout.SetText(line.ToString());
cr.Save();
cr.Translate(x + (int)Width + (editor.Options.ShowFoldMargin ? 0 : -2), y + (lineHeight - fontHeight) / 2);
cr.Color = lineNumberGC;
cr.ShowLayout(layout);
cr.Restore();
}
}
}
internal protected override void Draw(Cairo.Context cr, Cairo.Rectangle area, DocumentLine lineSegment, int line, double x, double y, double lineHeight)
{
cr.Rectangle(x, y, Width, lineHeight);
cr.Color = lineNumberBgGC;
cr.Fill();
if (line <= editor.Document.LineCount)
{
// Due to a mac? gtk bug I need to re-create the layout here
// otherwise I get pango exceptions.
using (var layout = PangoUtil.CreateLayout(editor)) {
layout.FontDescription = editor.Options.Font;
layout.Width = (int)Width;
layout.Alignment = Pango.Alignment.Right;
layout.SetText(line.ToString());
cr.Save();
cr.Translate(x + (int)Width + (editor.Options.ShowFoldMargin ? 0 : -2), y);
cr.Color = editor.Caret.Line == line ? lineNumberHighlightGC : lineNumberGC;
cr.ShowLayout(layout);
cr.Restore();
}
}
}
public IconMargin(TextEditor editor)
{
this.editor = editor;
layout = PangoUtil.CreateLayout(editor);
}
