internal protected override void Draw(Context ctx, Rectangle area, long line, double x, double y)
{
ctx.Rectangle(x, y, Width, Editor.LineHeight);
ctx.SetColor(Style.HexDigitBg);
ctx.Fill();
LayoutWrapper layout = GetLayout(line);
if (!Data.IsSomethingSelected && !Caret.InTextEditor && line == Data.Caret.Line)
{
var column = (int)(Caret.Offset % BytesInRow);
if (Editor.Options.StringRepresentationType == StringRepresentationTypes.UTF16)
{
column /= 2;
}
var xOffset = charWidth * column;
ctx.Rectangle(x + xOffset, y, charWidth, Editor.LineHeight);
ctx.SetColor(Style.HighlightOffset);
ctx.Fill();
}
ctx.SetColor(Style.HexDigit);
ctx.DrawTextLayout(layout.Layout, x, y);
if (layout.IsUncached)
{
layout.Dispose();
}
}
internal protected override void Draw(Gdk.Drawable drawable, Gdk.Rectangle area, long line, int x, int y)
{
drawable.DrawRectangle(GetGC(Style.HexOffsetBg), true, x, y, Width, Editor.LineHeight);
LayoutWrapper layout = GetLayout(line);
int w, h;
layout.Layout.GetPixelSize(out w, out h);
drawable.DrawLayout(GetGC(line != Caret.Line ? Style.HexOffset : Style.HexOffsetHighlighted), x + Width - w - 4, y, layout.Layout);
if (layout.IsUncached)
{
layout.Dispose();
}
}
internal protected override void Draw(Gdk.Drawable drawable, Gdk.Rectangle area, long line, int x, int y)
{
drawable.DrawRectangle(bgGC, true, x, y, Width, Editor.LineHeight);
LayoutWrapper layout = GetLayout(line);
if (!Data.IsSomethingSelected && Caret.InTextEditor && line == Data.Caret.Line)
{
drawable.DrawRectangle(GetGC(Style.HighlightOffset), true, CalculateCaretXPos(false), y, byteWidth, Editor.LineHeight);
}
drawable.DrawLayout(fgGC, x, y, layout.Layout);
if (layout.IsUncached)
{
layout.Dispose();
}
}
internal protected override void Draw(Gdk.Drawable drawable, Gdk.Rectangle area, long line, int x, int y)
{
drawable.DrawRectangle(bgGC, true, x, y, Width, Editor.LineHeight);
LayoutWrapper layout = GetLayout(line);
if (!Data.IsSomethingSelected && !Caret.InTextEditor && line == Data.Caret.Line)
{
int column = (int)(Caret.Offset % BytesInRow);
int xOffset = charWidth * column;
drawable.DrawRectangle(GetGC(Style.HighlightOffset), true, x + xOffset, y, charWidth, Editor.LineHeight);
}
drawable.DrawLayout(fgGC, x, y, layout.Layout);
if (layout.IsUncached)
{
layout.Dispose();
}
}
internal protected override void Draw(Context ctx, Rectangle area, long line, double x, double y)
{
ctx.Rectangle(x, y, Width, Editor.LineHeight);
ctx.SetColor(Style.HexOffsetBg);
ctx.Fill();
if (line >= 0 && line * Editor.BytesInRow < Data.Length)
{
LayoutWrapper layout = GetLayout(line);
var sz = layout.Layout.GetSize();
ctx.SetColor(line != Caret.Line ? Style.HexOffset : Style.HexOffsetHighlighted);
ctx.DrawTextLayout(layout.Layout, x + Width - sz.Width - 4, y);
if (layout.IsUncached)
{
layout.Dispose();
}
}
}
int CalculateCaretXPos(bool useSubPositon)
{
int byteInRow = (int)Caret.Offset % BytesInRow;
int groupNumber = byteInRow / Editor.Options.GroupBytes;
int groupByte = byteInRow % Editor.Options.GroupBytes;
int caretIndex = groupNumber * (Editor.Options.GroupBytes * 2 + 1) + groupByte * 2;
if (useSubPositon)
{
caretIndex += Caret.SubPosition;
}
LayoutWrapper layout = GetLayout((int)Caret.Line);
Pango.Rectangle rectangle = layout.Layout.IndexToPos(caretIndex);
if (layout.IsUncached)
{
layout.Dispose();
}
return(XOffset + (int)(rectangle.X / Pango.Scale.PangoScale));
}
double CalculateCaretXPos(bool useSubPositon, out char ch)
{
int byteInRow = (int)Caret.Offset % BytesInRow;
int groupNumber = byteInRow / Editor.Options.GroupBytes;
int groupByte = byteInRow % Editor.Options.GroupBytes;
int caretIndex = groupNumber * (Editor.Options.GroupBytes * 2 + 1) + groupByte * 2;
if (useSubPositon)
{
caretIndex += Caret.SubPosition;
}
LayoutWrapper layout = GetLayout((int)Caret.Line);
var rectangle = layout.Layout.GetCoordinateFromIndex(caretIndex);
var text = layout.Layout.Text;
ch = caretIndex < text.Length ? text [caretIndex] : ' ';
if (layout.IsUncached)
{
layout.Dispose();
}
return(XOffset + rectangle.X);
}
internal protected override void Draw(Context ctx, Rectangle area, long line, double x, double y)
{
ctx.Rectangle(x, y, Width, Editor.LineHeight);
ctx.SetColor(Style.HexDigitBg);
ctx.Fill();
LayoutWrapper layout = GetLayout(line);
char ch;
if (!Data.IsSomethingSelected && Caret.InTextEditor && line == Data.Caret.Line)
{
ctx.Rectangle(CalculateCaretXPos(false, out ch), y, byteWidth, Editor.LineHeight);
ctx.SetColor(Style.HighlightOffset);
ctx.Fill();
}
ctx.SetColor(Style.HexDigit);
ctx.DrawTextLayout(layout.Layout, x, y);
if (layout.IsUncached)
{
layout.Dispose();
}
}
void DrawLinePart (Cairo.Context cr, DocumentLine line, int lineNumber, int logicalRulerColumn, int offset, int length, ref double pangoPosition, ref bool isSelectionDrawn, double y, double maxX, double _lineHeight)
{
ISyntaxMode mode = Document.SyntaxMode != null && textEditor.Options.EnableSyntaxHighlighting ? Document.SyntaxMode : new SyntaxMode (Document);
int selectionStart;
int selectionEnd;
if (this.HideSelection) {
selectionStart = selectionEnd = -1;
} else {
GetSelectionOffsets (line, out selectionStart, out selectionEnd);
}
// ---- new renderer
LayoutWrapper layout = CreateLinePartLayout (mode, line, logicalRulerColumn, offset, length, selectionStart, selectionEnd);
int lineOffset = line.Offset;
double width = layout.PangoWidth / Pango.Scale.PangoScale;
double xPos = pangoPosition / Pango.Scale.PangoScale;
// The caret line marker must be drawn below the text markers otherwise the're invisible
if ((HighlightCaretLine || textEditor.Options.HighlightCaretLine) && Caret.Line == lineNumber)
DrawCaretLineMarker (cr, xPos, y, layout.PangoWidth / Pango.Scale.PangoScale, _lineHeight);
// if (!(HighlightCaretLine || textEditor.Options.HighlightCaretLine) || Document.GetLine(Caret.Line) != line) {
if (BackgroundRenderer == null) {
foreach (var bg in layout.BackgroundColors) {
int x1, x2;
x1 = layout.Layout.IndexToPos (bg.FromIdx).X;
x2 = layout.Layout.IndexToPos (bg.ToIdx).X;
DrawRectangleWithRuler (
cr, xPos + textEditor.HAdjustment.Value - TextStartPosition,
new Cairo.Rectangle ((x1 + pangoPosition) / Pango.Scale.PangoScale, y, (x2 - x1) / Pango.Scale.PangoScale + 1, _lineHeight),
bg.Color, true);
}
}
bool drawBg = true;
bool drawText = true;
LineMetrics metrics = new LineMetrics {
LineSegment = line,
Layout = layout,
SelectionStart = selectionStart,
SelectionEnd = selectionEnd,
TextStartOffset = offset,
TextEndOffset = offset + length,
TextRenderStartPosition = xPos,
TextRenderEndPosition = xPos + width,
LineHeight = _lineHeight,
WholeLineWidth = textEditor.Allocation.Width - xPos
};
foreach (TextLineMarker marker in line.Markers) {
if (!marker.IsVisible)
continue;
if (marker.DrawBackground (textEditor, cr, y, metrics)) {
isSelectionDrawn |= (marker.Flags & TextLineMarkerFlags.DrawsSelection) == TextLineMarkerFlags.DrawsSelection;
}
var bgMarker = marker as IBackgroundMarker;
if (bgMarker != null) {
isSelectionDrawn |= (marker.Flags & TextLineMarkerFlags.DrawsSelection) == TextLineMarkerFlags.DrawsSelection;
drawText &= bgMarker.DrawBackground (textEditor, cr, metrics.Layout, metrics.SelectionStart, metrics.SelectionEnd, metrics.TextStartOffset, metrics.TextEndOffset, y, metrics.TextRenderStartPosition, metrics.TextRenderEndPosition, ref drawBg);
continue;
}
}
if (DecorateLineBg != null)
DecorateLineBg (cr, layout, offset, length, xPos, y, selectionStart, selectionEnd);
if (!isSelectionDrawn && (layout.StartSet || selectionStart == offset + length) && BackgroundRenderer == null) {
double startX;
double endX;
if (selectionStart != offset + length) {
var start = layout.Layout.IndexToPos ((int)layout.SelectionStartIndex);
startX = System.Math.Floor (start.X / Pango.Scale.PangoScale);
var end = layout.Layout.IndexToPos ((int)layout.SelectionEndIndex);
endX = System.Math.Ceiling (end.X / Pango.Scale.PangoScale);
} else {
startX = width;
endX = startX;
}
if (textEditor.MainSelection.SelectionMode == SelectionMode.Block && startX == endX) {
endX = startX + 2;
}
DrawRectangleWithRuler (cr, xPos + textEditor.HAdjustment.Value - TextStartPosition, new Cairo.Rectangle (xPos + startX, y, endX - startX, _lineHeight), this.SelectionColor.Background, true);
}
// highlight search results
TextSegment firstSearch;
int o = offset;
uint curIndex = 0, byteIndex = 0;
if (textEditor.HighlightSearchPattern) {
while (!(firstSearch = GetFirstSearchResult (o, offset + length)).IsInvalid) {
double x = pangoPosition;
HandleSelection (lineOffset, logicalRulerColumn, selectionStart, selectionEnd, System.Math.Max (lineOffset, firstSearch.Offset), System.Math.Min (lineOffset + line.Length, firstSearch.EndOffset), delegate(int start, int end) {
uint startIndex = (uint)(start - offset);
uint endIndex = (uint)(end - offset);
if (startIndex < endIndex && endIndex <= layout.LineChars.Length) {
uint startTranslated = TranslateToUTF8Index (layout.LineChars, startIndex, ref curIndex, ref byteIndex);
uint endTranslated = TranslateToUTF8Index (layout.LineChars, endIndex, ref curIndex, ref byteIndex);
int l, x1, x2;
layout.Layout.IndexToLineX ((int)startTranslated, false, out l, out x1);
layout.Layout.IndexToLineX ((int)endTranslated, false, out l, out x2);
int w = (int) System.Math.Ceiling ((x2 - x1) / Pango.Scale.PangoScale);
int s = (int) System.Math.Floor ((x1 + x) / Pango.Scale.PangoScale);
double corner = System.Math.Min (4, width) * textEditor.Options.Zoom;
cr.Color = MainSearchResult.IsInvalid || MainSearchResult.Offset != firstSearch.Offset ? ColorStyle.SearchResult.Color : ColorStyle.SearchResultMain.Color;
FoldingScreenbackgroundRenderer.DrawRoundRectangle (cr, true, true, s, y, corner, w + 1, LineHeight);
cr.Fill ();
}
}, null);
o = System.Math.Max (firstSearch.EndOffset, o + 1);
}
}
cr.Save ();
cr.Translate (xPos, y);
cr.ShowLayout (layout.Layout);
cr.Restore ();
if (offset == line.Offset) {
DrawIndent (cr, layout, line, xPos, y);
}
if (textEditor.Options.ShowWhitespaces != ShowWhitespaces.Never && !(BackgroundRenderer != null && textEditor.Options.ShowWhitespaces == ShowWhitespaces.Selection))
DecorateTabsAndSpaces (cr, layout, offset, length, xPos, y, selectionStart, selectionEnd);
if (lineNumber == Caret.Line) {
int caretOffset = Caret.Offset;
if (offset <= caretOffset && caretOffset <= offset + length) {
int index = caretOffset - offset;
if (Caret.Column > line.Length + 1) {
string virtualSpace = "";
var data = textEditor.GetTextEditorData ();
if (data.HasIndentationTracker && line.Length == 0) {
virtualSpace = this.textEditor.GetTextEditorData ().GetIndentationString (Caret.Location);
}
if (Caret.Column > line.Length + 1 + virtualSpace.Length)
virtualSpace += new string (' ', Caret.Column - line.Length - 1 - virtualSpace.Length);
// predit layout already contains virtual space.
if (!string.IsNullOrEmpty (textEditor.preeditString))
virtualSpace = "";
LayoutWrapper wrapper = new LayoutWrapper (PangoUtil.CreateLayout (textEditor));
wrapper.LineChars = virtualSpace.ToCharArray ();
wrapper.Layout.SetText (virtualSpace);
wrapper.Layout.Tabs = tabArray;
wrapper.Layout.FontDescription = textEditor.Options.Font;
int vy, vx;
wrapper.Layout.GetSize (out vx, out vy);
var x = ((pangoPosition + vx + layout.PangoWidth) / Pango.Scale.PangoScale);
SetVisibleCaretPosition (x, y, x, y);
xPos = (pangoPosition + layout.PangoWidth) / Pango.Scale.PangoScale;
if (!isSelectionDrawn && (selectionEnd == lineOffset + line.Length) && BackgroundRenderer == null) {
double startX;
double endX;
startX = xPos;
endX = (pangoPosition + vx + layout.PangoWidth) / Pango.Scale.PangoScale;
DrawRectangleWithRuler (cr, xPos + textEditor.HAdjustment.Value - TextStartPosition, new Cairo.Rectangle (startX, y, endX - startX, _lineHeight), this.SelectionColor.Background, true);
}
// When drawing virtual space before the selection start paint it as unselected.
var virtualSpaceMod = selectionStart < caretOffset ? 0 : virtualSpace.Length;
if ((!textEditor.IsSomethingSelected || (selectionStart >= offset && selectionStart != selectionEnd)) && (HighlightCaretLine || textEditor.Options.HighlightCaretLine) && Caret.Line == lineNumber)
DrawCaretLineMarker (cr, pangoPosition / Pango.Scale.PangoScale, y, vx / Pango.Scale.PangoScale, _lineHeight);
if (DecorateLineBg != null)
DecorateLineBg (cr, wrapper, offset, length, xPos, y, selectionStart + virtualSpaceMod, selectionEnd + virtualSpace.Length);
switch (textEditor.Options.ShowWhitespaces) {
case ShowWhitespaces.Selection:
if (textEditor.IsSomethingSelected && (selectionStart < offset || selectionStart == selectionEnd) && BackgroundRenderer == null)
DecorateTabsAndSpaces (cr, wrapper, offset, length, xPos, y, selectionStart, selectionEnd + virtualSpace.Length);
break;
case ShowWhitespaces.Always:
DecorateTabsAndSpaces (cr, wrapper, offset, length, xPos, y, selectionStart, selectionEnd + virtualSpace.Length);
break;
}
wrapper.Dispose ();
pangoPosition += vx;
} else if (index == length && string.IsNullOrEmpty (textEditor.preeditString)) {
var x = (pangoPosition + layout.PangoWidth) / Pango.Scale.PangoScale;
SetVisibleCaretPosition (x, y, x, y);
} else if (index >= 0 && index <= length) {
Pango.Rectangle strong_pos, weak_pos;
curIndex = byteIndex = 0;
int utf8ByteIndex = (int)TranslateToUTF8Index (layout.LineChars, (uint)index, ref curIndex, ref byteIndex);
layout.Layout.GetCursorPos (utf8ByteIndex, out strong_pos, out weak_pos);
var cx = xPos + (strong_pos.X / Pango.Scale.PangoScale);
var cy = y + (strong_pos.Y / Pango.Scale.PangoScale);
if (textEditor.preeditCursorCharIndex == 0) {
SetVisibleCaretPosition (cx, cy, cx, cy);
} else {
var preeditIndex = (uint)(index + textEditor.preeditCursorCharIndex);
utf8ByteIndex = (int)TranslateToUTF8Index (layout.LineChars, preeditIndex, ref curIndex, ref byteIndex);
layout.Layout.GetCursorPos (utf8ByteIndex, out strong_pos, out weak_pos);
var pcx = xPos + (strong_pos.X / Pango.Scale.PangoScale);
var pcy = y + (strong_pos.Y / Pango.Scale.PangoScale);
SetVisibleCaretPosition (pcx, pcy, cx, cy);
}
}
}
}
foreach (TextLineMarker marker in line.Markers.Where (m => m.IsVisible)) {
if (layout.Layout != null)
marker.Draw (textEditor, cr, y, metrics);
}
foreach (var marker in Document.GetTextSegmentMarkersAt (line).Where (m => m.IsVisible)) {
if (layout.Layout != null)
marker.Draw (textEditor, cr, layout.Layout, false, /*selected*/offset, offset + length, y, xPos, xPos + width);
}
pangoPosition += layout.PangoWidth;
int scaledDown = (int)(pangoPosition / Pango.Scale.PangoScale);
pangoPosition = scaledDown * Pango.Scale.PangoScale;
if (layout.IsUncached)
layout.Dispose ();
}
void DrawLinePart (Cairo.Context cr, LineSegment line, int lineNumber, int logicalRulerColumn, int offset, int length, ref double pangoPosition, ref bool isSelectionDrawn, double y, double maxX)
{
ISyntaxMode mode = Document.SyntaxMode != null && textEditor.Options.EnableSyntaxHighlighting ? Document.SyntaxMode : new SyntaxMode (Document);
int selectionStart;
int selectionEnd;
if (this.HideSelection) {
selectionStart = selectionEnd = -1;
} else {
GetSelectionOffsets (line, out selectionStart, out selectionEnd);
}
// ---- new renderer
LayoutWrapper layout = CreateLinePartLayout (mode, line, logicalRulerColumn, offset, length, selectionStart, selectionEnd);
int lineOffset = line.Offset;
double width = layout.PangoWidth / Pango.Scale.PangoScale;
double xPos = pangoPosition / Pango.Scale.PangoScale;
// if (!(HighlightCaretLine || textEditor.Options.HighlightCaretLine) || Document.GetLine(Caret.Line) != line) {
foreach (var bg in layout.BackgroundColors) {
int x1, x2;
x1 = layout.Layout.IndexToPos (bg.FromIdx).X;
x2 = layout.Layout.IndexToPos (bg.ToIdx).X;
DrawRectangleWithRuler (cr, xPos + textEditor.HAdjustment.Value - TextStartPosition,
new Cairo.Rectangle ((x1 + pangoPosition) / Pango.Scale.PangoScale, y, (x2 - x1) / Pango.Scale.PangoScale + 1, LineHeight),
bg.Color, true);
}
// }
bool drawBg = true;
bool drawText = true;
foreach (TextMarker marker in line.Markers) {
IBackgroundMarker bgMarker = marker as IBackgroundMarker;
if (bgMarker == null || !marker.IsVisible)
continue;
isSelectionDrawn |= (marker.Flags & TextMarkerFlags.DrawsSelection) == TextMarkerFlags.DrawsSelection;
drawText &= bgMarker.DrawBackground (textEditor, cr, layout, selectionStart, selectionEnd, offset, offset + length, y, xPos, xPos + width, ref drawBg);
}
if (DecorateLineBg != null)
DecorateLineBg (cr, layout, offset, length, xPos, y, selectionStart, selectionEnd);
if ((HighlightCaretLine || textEditor.Options.HighlightCaretLine) && Caret.Line == lineNumber)
DrawCaretLineMarker (cr, xPos, y, layout.PangoWidth / Pango.Scale.PangoScale);
if (!isSelectionDrawn && (layout.StartSet || selectionStart == offset + length)) {
double startX;
double endX;
if (selectionStart != offset + length) {
var start = layout.Layout.IndexToPos ((int)layout.SelectionStartIndex);
startX = start.X / Pango.Scale.PangoScale;
var end = layout.Layout.IndexToPos ((int)layout.SelectionEndIndex);
endX = end.X / Pango.Scale.PangoScale;
} else {
startX = width;
endX = startX;
}
if (textEditor.MainSelection.SelectionMode == SelectionMode.Block && startX == endX) {
endX = startX + 2;
}
DrawRectangleWithRuler (cr, xPos + textEditor.HAdjustment.Value - TextStartPosition, new Cairo.Rectangle (xPos + startX, y, endX - startX, LineHeight), this.SelectionColor.CairoBackgroundColor, true);
}
// highlight search results
TextSegment firstSearch;
int o = offset;
uint curIndex = 0, byteIndex = 0;
if (textEditor.HighlightSearchPattern) {
while (!(firstSearch = GetFirstSearchResult (o, offset + length)).IsInvalid) {
double x = pangoPosition;
HandleSelection (lineOffset, logicalRulerColumn, selectionStart, selectionEnd, System.Math.Max (lineOffset, firstSearch.Offset), System.Math.Min (lineOffset + line.Length, firstSearch.EndOffset), delegate(int start, int end) {
uint startIndex = (uint)(start - offset);
uint endIndex = (uint)(end - offset);
if (startIndex < endIndex && endIndex <= layout.LineChars.Length) {
uint startTranslated = TranslateToUTF8Index (layout.LineChars, startIndex, ref curIndex, ref byteIndex);
uint endTranslated = TranslateToUTF8Index (layout.LineChars, endIndex, ref curIndex, ref byteIndex);
int l, x1, x2;
layout.Layout.IndexToLineX ((int)startTranslated, false, out l, out x1);
layout.Layout.IndexToLineX ((int)endTranslated, false, out l, out x2);
x1 += (int)x;
x2 += (int)x;
x1 /= (int)Pango.Scale.PangoScale;
x2 /= (int)Pango.Scale.PangoScale;
cr.Color = MainSearchResult.IsInvalid || MainSearchResult.Offset != firstSearch.Offset ? ColorStyle.SearchTextBg : ColorStyle.SearchTextMainBg;
FoldingScreenbackgroundRenderer.DrawRoundRectangle (cr, true, true, x1, y, System.Math.Min (10, width) * textEditor.Options.Zoom, x2 - x1, LineHeight);
cr.Fill ();
}
}, null);
o = System.Math.Max (firstSearch.EndOffset, o + 1);
}
}
cr.Save ();
cr.Translate (xPos, y);
cr.ShowLayout (layout.Layout);
cr.Restore ();
if (DecorateLineFg != null)
DecorateLineFg (cr, layout, offset, length, xPos, y, selectionStart, selectionEnd);
if (lineNumber == Caret.Line) {
int caretOffset = Caret.Offset;
if (offset <= caretOffset && caretOffset <= offset + length) {
int index = caretOffset - offset;
if (Caret.Column > line.Length + 1) {
string virtualSpace = "";
var data = textEditor.GetTextEditorData ();
if (data.HasIndentationTracker && line.Length == 0) {
virtualSpace = this.textEditor.GetTextEditorData ().GetIndentationString (Caret.Location);
}
if (Caret.Column > line.Length + 1 + virtualSpace.Length)
virtualSpace += new string (' ', Caret.Column - line.Length - 1 - virtualSpace.Length);
LayoutWrapper wrapper = new LayoutWrapper (PangoUtil.CreateLayout (textEditor));
wrapper.LineChars = virtualSpace.ToCharArray ();
wrapper.Layout.SetText (virtualSpace);
wrapper.Layout.Tabs = tabArray;
wrapper.Layout.FontDescription = textEditor.Options.Font;
int vy, vx;
wrapper.Layout.GetSize (out vx, out vy);
SetVisibleCaretPosition (((pangoPosition + vx + layout.PangoWidth) / Pango.Scale.PangoScale), y);
xPos = (pangoPosition + layout.PangoWidth) / Pango.Scale.PangoScale;
if (!isSelectionDrawn && (selectionEnd == lineOffset + line.Length)) {
double startX;
double endX;
startX = xPos;
endX = (pangoPosition + vx + layout.PangoWidth) / Pango.Scale.PangoScale;
DrawRectangleWithRuler (cr, xPos + textEditor.HAdjustment.Value - TextStartPosition, new Cairo.Rectangle (startX, y, endX - startX, LineHeight), this.SelectionColor.CairoBackgroundColor, true);
}
if ((HighlightCaretLine || textEditor.Options.HighlightCaretLine) && Caret.Line == lineNumber)
DrawCaretLineMarker (cr, pangoPosition / Pango.Scale.PangoScale, y, vx / Pango.Scale.PangoScale);
// When drawing virtual space before the selection start paint it as unselected.
var virtualSpaceMod = selectionStart < caretOffset ? 0 : virtualSpace.Length;
if (DecorateLineBg != null)
DecorateLineBg (cr, wrapper, offset, length, xPos, y, selectionStart + virtualSpaceMod, selectionEnd + virtualSpace.Length);
if (DecorateLineFg != null)
DecorateLineFg (cr, wrapper, offset, length, xPos, y, selectionStart + virtualSpaceMod, selectionEnd + virtualSpace.Length);
wrapper.Dispose ();
pangoPosition += vx;
} else if (index == length && textEditor.preeditString == null) {
SetVisibleCaretPosition ((pangoPosition + layout.PangoWidth) / Pango.Scale.PangoScale, y);
} else if (index >= 0 && index <= length) {
Pango.Rectangle strong_pos, weak_pos;
curIndex = byteIndex = 0;
int utf8ByteIndex = (int)TranslateToUTF8Index (layout.LineChars, (uint)index, ref curIndex, ref byteIndex);
if (textEditor.preeditString != null && textEditor.preeditCursorCharIndex > 0) {
curIndex = byteIndex = 0;
int preeditUtf8ByteIndex = (int)TranslateToUTF8Index (textEditor.preeditString.ToCharArray (),
(uint)textEditor.preeditCursorCharIndex,
ref curIndex, ref byteIndex);
utf8ByteIndex += preeditUtf8ByteIndex;
}
layout.Layout.GetCursorPos (utf8ByteIndex, out strong_pos, out weak_pos);
SetVisibleCaretPosition (xPos + (strong_pos.X / Pango.Scale.PangoScale), y);
}
}
}
foreach (TextMarker marker in line.Markers.Where (m => m.IsVisible)) {
if (layout.Layout != null)
marker.Draw (textEditor, cr, layout.Layout, false, /*selected*/offset, offset + length, y, xPos, xPos + width);
}
pangoPosition += layout.PangoWidth;
if (layout.IsUncached)
layout.Dispose ();
}
void DrawLinePart (Gdk.Drawable win, LineSegment line, int offset, int length, ref int pangoPosition, ref bool isSelectionDrawn, int y, int maxX)
{
SyntaxMode mode = Document.SyntaxMode != null && textEditor.Options.EnableSyntaxHighlighting ? Document.SyntaxMode : SyntaxMode.Default;
int selectionStart;
int selectionEnd;
if (BackgroundRenderer != null || this.HideSelection) {
selectionStart = selectionEnd = -1;
} else {
GetSelectionOffsets (line, out selectionStart, out selectionEnd);
}
// ---- new renderer
LayoutWrapper layout = CreateLinePartLayout (mode, line, offset, length, selectionStart, selectionEnd);
int width = (int)(layout.PangoWidth / Pango.Scale.PangoScale);
int xPos = (int)(pangoPosition / Pango.Scale.PangoScale);
bool drawBg = true;
bool drawText = true;
foreach (TextMarker marker in line.Markers) {
IBackgroundMarker bgMarker = marker as IBackgroundMarker;
if (bgMarker == null || !marker.IsVisible)
continue;
isSelectionDrawn |= (marker.Flags & TextMarkerFlags.DrawsSelection) == TextMarkerFlags.DrawsSelection;
drawText &= bgMarker.DrawBackground (textEditor, win, layout, selectionStart, selectionEnd, offset, offset + length, y, xPos, xPos + width, ref drawBg);
}
if (DecorateLineBg != null)
DecorateLineBg (win, layout, offset, length, xPos, y, selectionStart, selectionEnd);
if (!isSelectionDrawn && (layout.StartSet || selectionStart == offset + length)) {
int startX;
int endX;
if (selectionStart != offset + length) {
var start = layout.Layout.IndexToPos ((int)layout.SelectionStartIndex);
startX = (int)(start.X / Pango.Scale.PangoScale);
var end = layout.Layout.IndexToPos ((int)layout.SelectionEndIndex);
endX = (int)(end.X / Pango.Scale.PangoScale);
} else {
startX = width;
endX = startX;
}
if (textEditor.MainSelection.SelectionMode == SelectionMode.Block && startX == endX) {
endX = startX + 2;
}
DrawRectangleWithRuler (win, xPos + (int)textEditor.HAdjustment.Value - TextStartPosition, new Rectangle (xPos + startX, y, endX - startX, textEditor.LineHeight), this.SelectionColor.BackgroundColor, true);
}
// highlight search results
ISegment firstSearch;
int o = offset;
uint curIndex = 0, byteIndex = 0;
while ((firstSearch = GetFirstSearchResult (o, offset + length)) != null) {
int x = pangoPosition;
HandleSelection (line, selectionStart, selectionEnd, firstSearch.Offset, firstSearch.EndOffset, delegate(int start, int end) {
uint startIndex = (uint)(start - offset);
uint endIndex = (uint)(end - offset);
if (startIndex < endIndex && endIndex <= layout.LineChars.Length) {
uint startTranslated = TranslateToUTF8Index (layout.LineChars, startIndex, ref curIndex, ref byteIndex);
uint endTranslated = TranslateToUTF8Index (layout.LineChars, endIndex, ref curIndex, ref byteIndex);
using (Cairo.Context cr = Gdk.CairoHelper.Create (win)) {
cr.Rectangle (XOffset, 0, textEditor.Allocation.Width - XOffset, textEditor.Allocation.Height);
cr.Clip ();
int l, x1, x2;
layout.Layout.IndexToLineX ((int)startTranslated, false, out l, out x1);
layout.Layout.IndexToLineX ((int)endTranslated, false, out l, out x2);
x1 += x;
x2 += x;
x1 /= (int)Pango.Scale.PangoScale;
x2 /= (int)Pango.Scale.PangoScale;
cr.Color = Mono.TextEditor.Highlighting.Style.ToCairoColor (MainSearchResult == null || MainSearchResult.Offset != firstSearch.Offset ? ColorStyle.SearchTextBg : ColorStyle.SearchTextMainBg, AlphaBlendSearchResults ? 0.6 : 1.0);
FoldingScreenbackgroundRenderer.DrawRoundRectangle (cr, true, true, x1, y, (int)(System.Math.Min (10, width) * textEditor.Options.Zoom), x2 - x1, textEditor.LineHeight);
cr.Fill ();
}
}
}, null);
o = System.Math.Max (firstSearch.EndOffset, o + 1);
}
win.DrawLayout (GetGC (ColorStyle.Default.Color), xPos, y, layout.Layout);
if (DecorateLineFg != null)
DecorateLineFg (win, layout, offset, length, xPos, y, selectionStart, selectionEnd);
if (Document.GetLine (Caret.Line) == line) {
int caretOffset = Caret.Offset;
if (offset <= caretOffset && caretOffset <= offset + length) {
Pango.Rectangle strong_pos, weak_pos;
int index = caretOffset- offset;
if (offset <= textEditor.preeditOffset && textEditor.preeditOffset < offset + length) {
index += textEditor.preeditString.Length;
}
if (Caret.Column > line.EditableLength) {
string virtualSpace = this.textEditor.GetTextEditorData ().GetVirtualSpaces (Caret.Line, Caret.Column);
LayoutWrapper wrapper = new LayoutWrapper (PangoUtil.CreateLayout (textEditor));
wrapper.LineChars = virtualSpace.ToCharArray ();
wrapper.Layout.SetText (virtualSpace);
wrapper.Layout.Tabs = tabArray;
int vy, vx;
wrapper.Layout.GetSize (out vx, out vy);
SetVisibleCaretPosition (win, ' ', (int)((pangoPosition + vx + layout.PangoWidth) / Pango.Scale.PangoScale), y);
xPos = (int)((pangoPosition + layout.PangoWidth) / Pango.Scale.PangoScale);
if (!isSelectionDrawn && (selectionEnd == line.Offset + line.EditableLength)) {
int startX;
int endX;
startX = xPos;
endX = (int)((pangoPosition + vx + layout.PangoWidth) / Pango.Scale.PangoScale);
DrawRectangleWithRuler (win, xPos + (int)textEditor.HAdjustment.Value - TextStartPosition, new Rectangle (startX, y, endX - startX, textEditor.LineHeight), this.SelectionColor.BackgroundColor, true);
}
if (DecorateLineBg != null)
DecorateLineBg (win, wrapper, offset, length, xPos, y, selectionStart, selectionEnd + virtualSpace.Length);
if (DecorateLineFg != null)
DecorateLineFg (win, wrapper, offset, length, xPos, y, selectionStart, selectionEnd + virtualSpace.Length);
wrapper.Dispose ();
pangoPosition += vx;
} else if (index >= 0 && index < length) {
curIndex = byteIndex = 0;
layout.Layout.GetCursorPos ((int)TranslateToUTF8Index (layout.LineChars, (uint)index, ref curIndex, ref byteIndex), out strong_pos, out weak_pos);
char caretChar = Document.GetCharAt (caretOffset);
if (textEditor.Options.ShowSpaces && caretChar == ' ')
caretChar = spaceMarkerChar;
if (textEditor.Options.ShowTabs && caretChar == '\t')
caretChar = tabMarkerChar;
SetVisibleCaretPosition (win, caretChar, xPos + (int)(strong_pos.X / Pango.Scale.PangoScale), y);
} else if (index == length) {
SetVisibleCaretPosition (win, textEditor.Options.ShowEolMarkers ? eolMarkerChar : ' ', (int)((pangoPosition + layout.PangoWidth) / Pango.Scale.PangoScale), y);
}
}
}
foreach (TextMarker marker in line.Markers) {
marker.Draw (textEditor, win, layout.Layout, false, /*selected*/offset, offset + length, y, xPos, xPos + width);
}
pangoPosition += layout.PangoWidth;
if (layout.IsUncached)
layout.Dispose ();
}
void DrawIndent (Cairo.Context cr, LayoutWrapper layout, DocumentLine line, double xPos, double y)
{
if (!textEditor.Options.DrawIndentationMarkers)
return;
bool dispose = false;
if (line.Length == 0) {
var nextLine = line.NextLine;
while (nextLine != null && nextLine.Length == 0)
nextLine = nextLine.NextLine;
if (nextLine != null) {
layout = GetLayout (nextLine);
dispose = true;
}
}
if (layout.IndentSize == 0) {
if (dispose && layout.IsUncached)
layout.Dispose ();
return;
}
cr.Save ();
var dotted = new [] { textEditor.Options.Zoom };
cr.SetDash (dotted, (int)y + textEditor.VAdjustment.Value);
var top = y;
var bottom = y + LineHeight;
if (Caret.Line == line.LineNumber && textEditor.GetTextEditorData ().HighlightCaretLine) {
top += textEditor.Options.Zoom;
bottom -= textEditor.Options.Zoom;
}
for (int i = 0; i < layout.IndentSize; i += textEditor.Options.IndentationSize) {
var x = System.Math.Floor (xPos + i * charWidth);
cr.MoveTo (x + 0.5, top);
cr.LineTo (x + 0.5, bottom);
cr.SetSourceColor (ColorStyle.IndentationGuide.Color);
cr.Stroke ();
}
cr.Restore ();
if (dispose && layout.IsUncached)
layout.Dispose ();
}
