public override void DrawBackground(MonoTextEditor editor, Cairo.Context cr, LineMetrics metrics, int startOffset, int endOffset)
{
this.editor = editor;
int markerStart = base.Offset;
int markerEnd = base.EndOffset;
if (markerEnd < startOffset || markerStart > endOffset)
{
return;
}
double @from;
double to;
var startXPos = metrics.TextRenderStartPosition;
var endXPos = metrics.TextRenderEndPosition;
var y = metrics.LineYRenderStartPosition;
if (markerStart < startOffset && endOffset < markerEnd)
{
@from = startXPos;
to = endXPos;
}
else
{
int start = startOffset < markerStart ? markerStart : startOffset;
int end = endOffset < markerEnd ? endOffset : markerEnd;
uint curIndex = 0, byteIndex = 0;
TextViewMargin.TranslateToUTF8Index(metrics.Layout.LineChars, (uint)(start - startOffset), ref curIndex, ref byteIndex);
int x_pos = metrics.Layout.Layout.IndexToPos((int)byteIndex).X;
@from = startXPos + (int)(x_pos / Pango.Scale.PangoScale);
TextViewMargin.TranslateToUTF8Index(metrics.Layout.LineChars, (uint)(end - startOffset), ref curIndex, ref byteIndex);
x_pos = metrics.Layout.Layout.IndexToPos((int)byteIndex).X;
to = startXPos + (int)(x_pos / Pango.Scale.PangoScale);
}
@from = Math.Max(@from, editor.TextViewMargin.XOffset);
to = Math.Max(to, editor.TextViewMargin.XOffset);
if (@from < to)
{
cr.SetSourceColor(background(editor).Color);
cr.RoundedRectangle(@from + 2.5, y + 0.5, to - @from, editor.LineHeight - 1, 2); // 2.5 to make space for the column guideline
if (background(editor).HasBorderColor)
{
cr.FillPreserve();
cr.SetSourceColor(background(editor).BorderColor);
cr.Stroke();
}
else
{
cr.Fill();
}
}
}
public bool DrawBackground(TextEditor editor, Cairo.Context cr, TextViewMargin.LayoutWrapper layout, int selectionStart, int selectionEnd, int startOffset, int endOffset, double y, double startXPos, double endXPos, ref bool drawBg)
{
drawBg = false;
if (selectionStart >= 0 || editor.CurrentMode is TextLinkEditMode)
{
return(true);
}
foreach (ISegment usage in Usages)
{
int markerStart = usage.Offset;
int markerEnd = usage.EndOffset;
if (markerEnd < startOffset || markerStart > endOffset)
{
return(true);
}
double @from;
double to;
if (markerStart < startOffset && endOffset < markerEnd)
{
@from = startXPos;
to = endXPos;
}
else
{
int start = startOffset < markerStart ? markerStart : startOffset;
int end = endOffset < markerEnd ? endOffset : markerEnd;
uint curIndex = 0, byteIndex = 0;
TextViewMargin.TranslateToUTF8Index(layout.LineChars, (uint)(start - startOffset), ref curIndex, ref byteIndex);
int x_pos = layout.Layout.IndexToPos((int)byteIndex).X;
@from = startXPos + (int)(x_pos / Pango.Scale.PangoScale);
TextViewMargin.TranslateToUTF8Index(layout.LineChars, (uint)(end - startOffset), ref curIndex, ref byteIndex);
x_pos = layout.Layout.IndexToPos((int)byteIndex).X;
to = startXPos + (int)(x_pos / Pango.Scale.PangoScale);
}
@from = System.Math.Max(@from, editor.TextViewMargin.XOffset);
to = System.Math.Max(to, editor.TextViewMargin.XOffset);
if (@from < to)
{
cr.Color = (HslColor)editor.ColorStyle.BracketHighlightRectangle.BackgroundColor;
cr.Rectangle(@from + 1, y + 1, to - @from - 1, editor.LineHeight - 2);
cr.Fill();
cr.Color = (HslColor)editor.ColorStyle.BracketHighlightRectangle.Color;
cr.Rectangle(@from, y, to - @from, editor.LineHeight - 1);
cr.Fill();
}
}
return(true);
}
public bool DrawBackground(TextEditor editor, Gdk.Drawable win, TextViewMargin.LayoutWrapper layout, int selectionStart, int selectionEnd, int startOffset, int endOffset, int y, int startXPos, int endXPos, ref bool drawBg)
{
drawBg = false;
if (selectionStart >= 0 || editor.CurrentMode is TextLinkEditMode)
{
return(true);
}
foreach (ISegment usage in Usages)
{
int markerStart = usage.Offset;
int markerEnd = usage.EndOffset;
if (markerEnd < startOffset || markerStart > endOffset)
{
return(true);
}
int @from;
int to;
if (markerStart < startOffset && endOffset < markerEnd)
{
@from = startXPos;
to = endXPos;
}
else
{
int start = startOffset < markerStart ? markerStart : startOffset;
int end = endOffset < markerEnd ? endOffset : markerEnd;
uint curIndex = 0, byteIndex = 0;
TextViewMargin.TranslateToUTF8Index(layout.LineChars, (uint)(start - startOffset), ref curIndex, ref byteIndex);
int x_pos = layout.Layout.IndexToPos((int)byteIndex).X;
@from = startXPos + (int)(x_pos / Pango.Scale.PangoScale);
TextViewMargin.TranslateToUTF8Index(layout.LineChars, (uint)(end - startOffset), ref curIndex, ref byteIndex);
x_pos = layout.Layout.IndexToPos((int)byteIndex).X;
to = startXPos + (int)(x_pos / Pango.Scale.PangoScale);
}
@from = System.Math.Max(@from, editor.TextViewMargin.XOffset);
to = System.Math.Max(to, editor.TextViewMargin.XOffset);
if (@from < to)
{
using (Gdk.GC gc = new Gdk.GC(win)) {
gc.RgbFgColor = editor.ColorStyle.BracketHighlightRectangle.BackgroundColor;
win.DrawRectangle(gc, true, @from + 1, y + 1, to - @from - 1, editor.LineHeight - 2);
gc.RgbFgColor = editor.ColorStyle.BracketHighlightRectangle.Color;
win.DrawRectangle(gc, false, @from, y, to - @from, editor.LineHeight - 1);
}
}
}
return(true);
}
public override void DrawBackground(MonoTextEditor editor, Cairo.Context cr, LineMetrics metrics, int startOffset, int endOffset)
{
int markerStart = Offset;
int markerEnd = EndOffset;
double @from;
double to;
var startXPos = metrics.TextRenderStartPosition;
var endXPos = metrics.TextRenderEndPosition;
var y = metrics.LineYRenderStartPosition;
if (markerStart < startOffset && endOffset < markerEnd)
{
@from = startXPos;
to = endXPos;
}
else
{
int start = startOffset < markerStart ? markerStart : startOffset;
int end = endOffset < markerEnd ? endOffset : markerEnd;
uint curIndex = 0, byteIndex = 0;
TextViewMargin.TranslateToUTF8Index(metrics.Layout.Text, (uint)(start - startOffset), ref curIndex, ref byteIndex);
int x_pos = metrics.Layout.IndexToPos((int)byteIndex).X;
@from = startXPos + (int)(x_pos / Pango.Scale.PangoScale);
TextViewMargin.TranslateToUTF8Index(metrics.Layout.Text, (uint)(end - startOffset), ref curIndex, ref byteIndex);
x_pos = metrics.Layout.IndexToPos((int)byteIndex).X;
to = startXPos + (int)(x_pos / Pango.Scale.PangoScale);
}
@from = Math.Max(@from, editor.TextViewMargin.XOffset);
to = Math.Max(to, editor.TextViewMargin.XOffset);
if (@from <= to)
{
if (metrics.TextEndOffset < markerEnd)
{
to = metrics.WholeLineWidth + metrics.TextRenderStartPosition;
}
var c1 = (Cairo.Color)SyntaxHighlightingService.GetColor(editor.EditorTheme, EditorThemeColors.Background);
var c2 = (Cairo.Color)SyntaxHighlightingService.GetColor(editor.EditorTheme, EditorThemeColors.Selection);
cr.SetSourceRGB((c1.R + c2.R) / 2, (c1.G + c2.G) / 2, (c1.B + c2.B) / 2);
cr.Rectangle(@from, y, to - @from, metrics.LineHeight);
cr.Fill();
}
}
public override bool DrawBackground(TextEditor editor, Context cr, double y, LineMetrics metrics)
{
if (metrics.SelectionStart >= 0 || editor.CurrentMode is TextLinkEditMode || editor.TextViewMargin.SearchResultMatchCount > 0)
{
return(false);
}
foreach (var usage in Usages)
{
int markerStart = usage.TextSegment.Offset;
int markerEnd = usage.TextSegment.EndOffset;
if (markerEnd < metrics.TextStartOffset || markerStart > metrics.TextEndOffset)
{
return(false);
}
double @from;
double to;
if (markerStart < metrics.TextStartOffset && metrics.TextEndOffset < markerEnd)
{
@from = metrics.TextRenderStartPosition;
to = metrics.TextRenderEndPosition;
}
else
{
int start = metrics.TextStartOffset < markerStart ? markerStart : metrics.TextStartOffset;
int end = metrics.TextEndOffset < markerEnd ? metrics.TextEndOffset : markerEnd;
uint curIndex = 0, byteIndex = 0;
TextViewMargin.TranslateToUTF8Index(metrics.Layout.LineChars, (uint)(start - metrics.TextStartOffset), ref curIndex, ref byteIndex);
int x_pos = metrics.Layout.Layout.IndexToPos((int)byteIndex).X;
@from = metrics.TextRenderStartPosition + (int)(x_pos / Pango.Scale.PangoScale);
TextViewMargin.TranslateToUTF8Index(metrics.Layout.LineChars, (uint)(end - metrics.TextStartOffset), ref curIndex, ref byteIndex);
x_pos = metrics.Layout.Layout.IndexToPos((int)byteIndex).X;
to = metrics.TextRenderStartPosition + (int)(x_pos / Pango.Scale.PangoScale);
}
@from = Math.Max(@from, editor.TextViewMargin.XOffset);
to = Math.Max(to, editor.TextViewMargin.XOffset);
if (@from < to)
{
Mono.TextEditor.Highlighting.AmbientColor colorStyle;
if ((usage.UsageType & ReferenceUsageType.Write) == ReferenceUsageType.Write)
{
colorStyle = editor.ColorStyle.ChangingUsagesRectangle;
}
else
{
colorStyle = editor.ColorStyle.UsagesRectangle;
}
using (var lg = new LinearGradient(@from + 1, y + 1, to, y + editor.LineHeight)) {
lg.AddColorStop(0, colorStyle.Color);
lg.AddColorStop(1, colorStyle.SecondColor);
cr.SetSource(lg);
cr.RoundedRectangle(@from - 0.5, y + 0.5, to - @from + 1, editor.LineHeight - 1, 2);
cr.FillPreserve();
}
cr.SetSourceColor(colorStyle.BorderColor);
cr.Stroke();
}
}
return(true);
}
public override void DrawBackground(Mono.TextEditor.MonoTextEditor editor, Context cr, LineMetrics metrics, int startOffset, int endOffset)
{
int markerStart = usage.Offset;
int markerEnd = usage.EndOffset;
if (markerEnd < startOffset || markerStart > endOffset)
{
return;
}
double @from;
double to;
var startXPos = metrics.TextRenderStartPosition;
var endXPos = metrics.TextRenderEndPosition;
var y = metrics.LineYRenderStartPosition;
if (markerStart < startOffset && endOffset < markerEnd)
{
@from = startXPos;
to = endXPos;
}
else
{
int start = startOffset < markerStart ? markerStart : startOffset;
int end = endOffset < markerEnd ? endOffset : markerEnd;
uint curIndex = 0, byteIndex = 0;
TextViewMargin.TranslateToUTF8Index(metrics.Layout.LineChars, (uint)(start - startOffset), ref curIndex, ref byteIndex);
int x_pos = metrics.Layout.IndexToPos((int)byteIndex).X;
@from = startXPos + (int)(x_pos / Pango.Scale.PangoScale);
TextViewMargin.TranslateToUTF8Index(metrics.Layout.LineChars, (uint)(end - startOffset), ref curIndex, ref byteIndex);
x_pos = metrics.Layout.IndexToPos((int)byteIndex).X;
to = startXPos + (int)(x_pos / Pango.Scale.PangoScale);
}
@from = Math.Max(@from, editor.TextViewMargin.XOffset);
to = Math.Max(to, editor.TextViewMargin.XOffset);
if (@from < to)
{
HslColor colorStyle;
if ((usage.UsageType & ReferenceUsageType.Write) == ReferenceUsageType.Write ||
(usage.UsageType & ReferenceUsageType.Declariton) == ReferenceUsageType.Declariton)
{
colorStyle = SyntaxHighlightingService.GetColor(editor.EditorTheme, EditorThemeColors.ChangingUsagesRectangle);
if (colorStyle.Alpha == 0.0)
{
colorStyle = SyntaxHighlightingService.GetColor(editor.EditorTheme, EditorThemeColors.UsagesRectangle);
}
}
else
{
colorStyle = SyntaxHighlightingService.GetColor(editor.EditorTheme, EditorThemeColors.UsagesRectangle);
}
using (var lg = new LinearGradient(@from + 1, y + 1.5, to, y + editor.LineHeight - 1)) {
lg.AddColorStop(0, colorStyle);
lg.AddColorStop(1, colorStyle);
cr.SetSource(lg);
cr.RoundedRectangle(@from - 0.5, y + 0.5, to - @from + 1, editor.LineHeight - 1, 2);
cr.FillPreserve();
}
// TODO: EditorTheme : do we need the border ?!
cr.SetSourceColor(colorStyle);
cr.Stroke();
}
}
public uint TranslateToUTF8Index(uint textIndex, ref uint curIndex, ref uint byteIndex)
{
return(TextViewMargin.TranslateToUTF8Index(LineChars, textIndex, ref curIndex, ref byteIndex));
}
