public override void Dispose()
{
if (this._handlePen != null)
{
this._handlePen.Dispose();
this._handlePen = null;
}
if (this._handleFont != null)
{
this._handleFont.Dispose();
this._handleFont = null;
}
if (this._handleBkBrush != null)
{
this._handleBkBrush.Dispose();
this._handleBkBrush = null;
}
if (this._handleBkActiveBrush != null)
{
this._handleBkActiveBrush.Dispose();
this._handleBkActiveBrush = null;
}
}
public override void Paint(IntPtr hdc, ITextSegmentStyled styledSegment, ITextView textView, TextSegmentVisualInfo info, int x, int y, int lineHeight, StyleRenderInfo sri)
{
//if (this._paintUnderline == null)
//{
// this._paintUnderline = this.Settings.SpellcheckUnderlineEnabled; // Bridge.Get().GetSafe("Text.Style.Spellcheck.Underline.Enabled", true);
//}
if (textView.Settings.SpellcheckUnderlineEnabled == false)
{
return;
}
if (staticPenUnderline == null)
{
staticUnderlineColor = textView.Settings.ColorSpellcheckUnderline; // Bridge.Get().GetSafe("Text.Style.Spellcheck.Underline.Color", Color.Red);
//int underlineType = Bridge.Get().GetSafe("Text.Style.Spellcheck.Underline.Type", (int) PenType.Dot);
staticPenUnderline = new SafeHandleGDI(SafeNativeMethods.CreatePen((int)textView.Settings.SpellcheckUnderlineType, -1, ColorTranslator.ToWin32(staticUnderlineColor)));
}
var wordSize = styledSegment.Parent.GetSize(hdc, x, styledSegment.Index, styledSegment.GetLength(info.TextColumnIndex), info);
var previousPen = SafeNativeMethods.SelectObject(hdc, staticPenUnderline.DangerousGetHandle());
var previousBkMode = SafeNativeMethods.SetBkMode(hdc, NativeConstants.TRANSPARENT);
SafeNativeMethods.MoveToEx(hdc, x - wordSize.Width, y + lineHeight - 2, IntPtr.Zero);
SafeNativeMethods.LineTo(hdc, x, y + lineHeight - 2);
SafeNativeMethods.SelectObject(hdc, previousPen);
SafeNativeMethods.SetBkMode(hdc, previousBkMode);
}
public override void Paint(IntPtr hdc, ITextSegmentStyled textSegment, ITextView textView, TextSegmentVisualInfo info, int x, int y, int lineHeight, StyleRenderInfo sri)
{
if (staticBrushRed == null)
{
staticBrushRed = new SafeHandleGDI(SafeNativeMethods.CreateSolidBrush(ColorTranslator.ToWin32(Color.Red)));
}
var spaceSize = (lineHeight / 4d);
var rectTop = new RECT
{
left = x,
top = y,
right = x + (lineHeight / 8),
bottom = (int)(y + (lineHeight - (spaceSize)))
};
var rectBottom = new RECT
{
left = rectTop.left,
top = (int)(rectTop.bottom + (spaceSize / 2)),
right = rectTop.right
};
rectBottom.bottom = (int)(rectBottom.top + (spaceSize / 2));
SafeNativeMethods.FillRect(hdc, ref rectTop, staticBrushRed.DangerousGetHandle());
SafeNativeMethods.FillRect(hdc, ref rectBottom, staticBrushRed.DangerousGetHandle());
}
private void DisposeBuffer()
{
if (this.bufHBitmap != null)
{
this.bufHBitmap.Dispose();
this.bufHBitmap = null;
}
if (this.bufHdc != null)
{
this.bufHdc.Dispose();
this.bufHdc = null;
}
if (this.tempHdc != null)
{
this.tempHdc.Dispose();
this.tempHdc = null;
}
if (this.hFont != null)
{
this.hFont.Dispose();
this.hFont = null;
}
}
public override void Dispose()
{
this._hbmpInfo.Dispose();
this._hbmpInfo = null;
this._handlePen.Dispose();
this._handlePen = null;
}
private static SafeHandleGDI DisposeBuffer(SafeHandleGDI hbitmap)
{
if (hbitmap != null)
{
hbitmap.Dispose();
}
return(null);
}
public override unsafe void PaintLine(IntPtr hdc, RendererState rs)
{
if (this._handleFont == null)
{
using (var f = new Font(rs.TextView.Font.FontFamily, rs.TextView.Font.Size - 2))
{
this._handleFont = new SafeHandleGDI(f.ToHfont());
}
this._handlePen = new SafeHandleGDI(SafeNativeMethods.CreatePen(NativeConstants.PS_SOLID, -1, ColorTranslator.ToWin32(Color.Silver)));
this._handleBkBrush = new SafeHandleGDI(SafeNativeMethods.CreateSolidBrush(ColorTranslator.ToWin32(Color.White)));
this._handleBkActiveBrush = new SafeHandleGDI(SafeNativeMethods.CreateSolidBrush(ColorTranslator.ToWin32(Color.FromArgb(240, 240, 250))));
}
var str = (rs.LineIndexVirtual + 1).ToString();
var textLength = rs.TextView.GetVisualLineCount().ToString().Length;
if (textLength != this._previousLength)
{
// We check if the number of lines have changed to contain an extra character.
// In that case we'll need to perform a layout calculation for the whole text control.
// So, call on PerformLayout(). This *might* screw up the current painting, but it is very inlikely.
this._previousLength = textLength;
rs.TextView.PerformLayout();
}
fixed(char *c = str)
{
var isCurrentLine = rs.LineIndexVirtual == rs.LineIndexVirtualFocused;
var previousFont = SafeNativeMethods.SelectObject(hdc, this._handleFont.DangerousGetHandle());
var previousPen = SafeNativeMethods.SelectObject(hdc, this._handlePen.DangerousGetHandle());
var color = isCurrentLine ? Color.DimGray : Color.LightSteelBlue;
var previousForeColor = SafeNativeMethods.SetTextColor(hdc, ColorTranslator.ToWin32(color));
var previousBkMode = SafeNativeMethods.SetBkMode(hdc, NativeConstants.TRANSPARENT);
var r = new RECT
{
top = rs.Y - rs.ViewportY,
right = rs.X + this.Width,
bottom = rs.Y + rs.LineHeight,
left = rs.X
};
SafeNativeMethods.FillRect(hdc, ref r, this._handleBkActiveBrush.DangerousGetHandle());
SafeNativeMethods.MoveToEx(hdc, rs.X + this.Width, rs.Y - rs.ViewportY, IntPtr.Zero);
SafeNativeMethods.LineTo(hdc, rs.X + this.Width, rs.Y + rs.LineHeight - rs.ViewportY);
SafeNativeMethods.TextOut(hdc, 2 + rs.X, rs.Y - rs.ViewportY, c, str.Length);
SafeNativeMethods.SelectObject(hdc, previousPen);
SafeNativeMethods.SetTextColor(hdc, previousForeColor);
SafeNativeMethods.SetBkMode(hdc, previousBkMode);
SafeNativeMethods.SelectObject(hdc, previousFont);
}
}
public void DisposeDynamicBuffer(bool valueChange = false)
{
if (valueChange == false)
{
this._hbitmapTrack = DisposeBuffer(this._hbitmapTrack);
this._hbitmapTrackHot = DisposeBuffer(this._hbitmapTrackHot);
this._hbitmapTrackPressed = DisposeBuffer(this._hbitmapTrackPressed);
this._hbitmapThumb = DisposeBuffer(this._hbitmapThumb);
this._hbitmapThumbHot = DisposeBuffer(this._hbitmapThumbHot);
this._hbitmapThumbPressed = DisposeBuffer(this._hbitmapThumbPressed);
}
}
public void Dispose()
{
if (this._caretTimer != null)
{
this._caretTimer.Dispose();
}
if (this._caretBrush != null)
{
this._caretBrush.Dispose();
this._caretBrush = null;
}
}
public Caret(ITextView textView)
{
this._textView = textView;
var c = Color.FromArgb(
(byte)(255 - this._textView.BackColor.R),
(byte)(255 - this._textView.BackColor.G),
(byte)(255 - this._textView.BackColor.B));
this._caretBrush = new SafeHandleGDI(SafeNativeMethods.CreateSolidBrush(ColorTranslator.ToWin32(c)));
this._caretTimer = new System.Threading.Timer(this.caretTimer_Tick, null, staticCaretBlinkTime, Timeout.Infinite);
}
public void Dispose()
{
if (this._brushCurrentLine != null)
{
this._brushCurrentLine.Dispose();
this._brushCurrentLine = null;
}
if (this._fontTooltipOverlay != null)
{
this._fontTooltipOverlay.Dispose();
}
}
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
this.DisposeDynamicBuffer();
this._hbitmapArrow1 = DisposeBuffer(this._hbitmapArrow1);
this._hbitmapArrow1Hot = DisposeBuffer(this._hbitmapArrow1Hot);
this._hbitmapArrow1Pressed = DisposeBuffer(this._hbitmapArrow1Pressed);
this._hbitmapArrow2 = DisposeBuffer(this._hbitmapArrow2);
this._hbitmapArrow2Hot = DisposeBuffer(this._hbitmapArrow2Hot);
this._hbitmapArrow2Pressed = DisposeBuffer(this._hbitmapArrow2Pressed);
}
private void SetDefaultPaintState(IntPtr hdc)
{
if (this.hFont == null)
{
this.hFont = new SafeHandleGDI(this.Font.ToHfont());
}
var styleDefault = this.GetTextStyle("Default") as TextStyles.TextStyleManual;
SafeNativeMethods.SetBkMode(hdc, styleDefault.ColorBackground == Color.Transparent ? NativeConstants.TRANSPARENT : NativeConstants.OPAQUE);
SafeNativeMethods.SetBkColor(hdc, ColorTranslator.ToWin32(styleDefault.ColorBackground));
SafeNativeMethods.SetTextColor(hdc, ColorTranslator.ToWin32(styleDefault.ColorFont));
SafeNativeMethods.SelectObject(hdc, this.hFont.DangerousGetHandle());
}
public unsafe void Render(IntPtr hdc, int vpx, int vpy, Size size)
{
#region Initialize GDI resources
if (this._brushCurrentLine == null)
{
var colorWithoutTransparency = Color.FromArgb(this.TextView.LineHighlightColor.R, this.TextView.LineHighlightColor.G, this.TextView.LineHighlightColor.B);
this._brushCurrentLine = new SafeHandleGDI(SafeNativeMethods.CreateSolidBrush(ColorTranslator.ToWin32(colorWithoutTransparency)));
}
#endregion
var styleSelection = this.TextView.GetTextStyle("Selection");
var styleDefault = this.TextView.GetTextStyle("Default");
var rs = new RendererState(this.TextView.GetTextRectangle(false), this.TextView.LineHeight);
rs.TextView = this.TextView;
rs.RenderState = new RenderState(this.TextView, styleDefault);
rs.ViewportX = vpx - rs.TextRectangle.Left;
rs.ViewportY = vpy;
ITextSegmentStyled selectionSegment = null;
ITextSegment firstVisibleLine = null;
//var foundActiveLine = this.TextView.LineHighlightColor.A == Color.Transparent.A || this.TextView.LineHighlightColor == Color.Empty;
var textColumnIndex = this.TextView.CurrentTextColumnIndex;
var sri = new StyleRenderInfo(this.FocusedStyledSegment);
// TODO: Paint some nice graphics for the current text column index, when it is stable enough.
var clientSize = this.TextView.ClientSize;
var lineCount = this.Strategy.Lines.Count;
var firstCharIndex = this.TextView.GetFirstCharIndexFromLine(this.TextView.GetCurrentLine());
var lineIndexPhysical = 0;
for (rs.LineIndexPhysical = 0; rs.LineIndexPhysical < lineCount; lineIndexPhysical++, rs.LineIndexPhysical++)
{
if (rs.Y > rs.ViewportY + size.Height)
{
// This line is after the viewport and does not need painting.
break;
}
rs.Line = this.Strategy.Lines[lineIndexPhysical];
var visualInfo = this.TextView.GetVisualInformation(lineIndexPhysical);
var lineCountVisual = visualInfo.GetLineCountVisual(textColumnIndex);
var linesHeight = lineCountVisual * rs.LineHeight;
if (rs.Y + linesHeight <= rs.ViewportY)
{
// This line is before the viewport.
rs.Y += linesHeight;
rs.LineIndexVirtual += lineCountVisual;
continue;
}
if (rs.Line.Index >= firstCharIndex && rs.Line.Index <= (this.TextView.SelectionStart + this.TextView.SelectionLength))
{
rs.LineIndexVirtualFocused = rs.LineIndexVirtual;
if (this.TextView.SelectionLength == 0)
{
this.RenderSelectedLineBackground(hdc, rs);
}
}
var textPoints = new Dictionary <int, List <ITextSegmentStyled> >();
if (firstVisibleLine == null)
{
firstVisibleLine = rs.Line;
#region Special handling for selection
if (this.TextView.SelectionLength > 0)
{
if (this.TextView.SelectionStart < rs.Line.Index && this.TextView.SelectionStart + this.TextView.SelectionLength >= rs.Line.Index)
{
// The selection begins on the line before this.
selectionSegment = new TextAnchor(styleSelection);
selectionSegment.Index = firstVisibleLine.Index;
var textPointIndex = rs.Line.Index;
if (textPoints.ContainsKey(textPointIndex) == false)
{
textPoints.Add(textPointIndex, new List <ITextSegmentStyled>());
}
textPoints[textPointIndex].Add(selectionSegment);
}
}
#endregion
}
var lineLength = rs.Line.GetLength(textColumnIndex);
if (this.TextView.SelectionLength > 0)
{
#region Special handling for selection
if (this.TextView.SelectionStart >= rs.Line.Index && this.TextView.SelectionStart <= rs.Line.Index + lineLength)
{
// The selection begins on this line.
selectionSegment = new TextAnchor(styleSelection);
selectionSegment.Index = rs.Line.Index;
selectionSegment.SetLength(textColumnIndex, this.TextView.SelectionLength);
var textPointIndex = this.TextView.SelectionStart;
if (textPoints.ContainsKey(textPointIndex) == false)
{
textPoints.Add(textPointIndex, new List <ITextSegmentStyled>());
}
textPoints[textPointIndex].Add(selectionSegment);
}
if (this.TextView.SelectionStart + this.TextView.SelectionLength >= rs.Line.Index &&
this.TextView.SelectionStart + this.TextView.SelectionLength <= rs.Line.Index + lineLength)
{
// The selection ends on this line.
var textPointIndex = -(this.TextView.SelectionStart + this.TextView.SelectionLength);
if (textPoints.ContainsKey(textPointIndex) == false)
{
textPoints.Add(textPointIndex, new List <ITextSegmentStyled>());
}
textPoints[textPointIndex].Add(selectionSegment);
}
#endregion
}
var textLine = (TextLine)rs.Line;
if (textLine.StyledTextSegments != null && textLine.StyledTextSegments.Count > 0)
{
foreach (var textSegment in textLine.StyledTextSegments)
{
var textPointStartIndex = textLine.Index + textSegment.Index;
if (textPoints.ContainsKey(textPointStartIndex) == false)
{
textPoints.Add(textPointStartIndex, new List <ITextSegmentStyled>());
}
textPoints[textPointStartIndex].Add(textSegment);
var textPointEndIndex = -(textLine.Index + textSegment.Index + textSegment.GetLength(textColumnIndex));
if (textPoints.ContainsKey(textPointEndIndex) == false)
{
textPoints.Add(textPointEndIndex, new List <ITextSegmentStyled>());
}
textPoints[textPointEndIndex].Add(textSegment);
}
}
var wordWrapIndex = 0;
var tabIndex = 0;
rs.X = 0;
var previousTextIndex = 0;
//var textLength = rs.Line.GetLength(textColumnIndex);
var lineSplitIndexes = visualInfo.GetLineSplitIndexes(textColumnIndex);
for (var textIndex = 0; textIndex <= lineLength; textIndex++)
{
var isLastIndex = textIndex == lineLength;
var isNewline = lineSplitIndexes != null;
if (isNewline)
{
isNewline = wordWrapIndex < lineSplitIndexes.Length && lineSplitIndexes[wordWrapIndex] == textIndex;
if (isNewline)
{
wordWrapIndex++;
}
}
var isTab = visualInfo.GetTabSplitIndexes(textColumnIndex) != null;
if (isTab)
{
isTab = tabIndex < visualInfo.GetTabSplitIndexes(textColumnIndex).Length&& visualInfo.GetTabSplitIndexes(textColumnIndex)[tabIndex] == textIndex;
if (isTab)
{
tabIndex++;
}
}
var globalIndex = rs.Line.Index + textIndex;
var styleStart = textPoints.ContainsKey(globalIndex) ? textPoints[globalIndex] : null;
var styleEnd = globalIndex != 0 && textPoints.ContainsKey(-globalIndex) ? textPoints[-globalIndex] : null;
if ((isLastIndex || isNewline || isTab || styleStart != null || styleEnd != null) == false)
{
// This is a regular character, and no change is done for it.
continue;
}
var start = previousTextIndex;
var length = textIndex - start;
var outputText = rs.Line.GetText(textColumnIndex);
#region Add empty space at end of text if selection goes beyond current line
if (start + length == lineLength)
{
foreach (var rsi in rs.RenderState.GetRenderStateItems())
{
if (rsi.Segment.Style.NameKey != styleSelection.NameKey)
{
continue;
}
if (styleEnd != null)
{
var isStyleSelection = false;
foreach (var se in styleEnd)
{
if (se.Style.NameKey == styleSelection.NameKey)
{
isStyleSelection = true;
break;
}
}
if (isStyleSelection)
{
break;
}
}
outputText += " ";
length++;
break;
}
}
#endregion
fixed(char *c = outputText)
{
SafeNativeMethods.TextOut(hdc, rs.TextRectangle.Left + (rs.X - rs.ViewportX), rs.TextRectangle.Top + rs.Y - rs.ViewportY, c + start, length);
if ((isNewline == false && isLastIndex == false) || styleEnd != null)
{
rs.X += rs.Line.GetSize(hdc, rs.X, start, length, visualInfo.GetVisualInfo(textColumnIndex)).Width;
}
if (styleEnd != null)
{
foreach (var t in styleEnd)
{
switch (t.Style.PaintMode)
{
case TextStylePaintMode.Custom:
{
t.Style.Paint(hdc, t, this.TextView, visualInfo.GetVisualInfo(textColumnIndex),
rs.TextRectangle.Left + (rs.X - rs.ViewportX),
rs.TextRectangle.Top + rs.Y - rs.ViewportY,
rs.LineHeight,
sri);
}
break;
}
}
}
}
if (isNewline)
{
this.RenderLineColumns(hdc, clientSize, rs);
rs.X = 0;
rs.LineIndexVirtual++;
rs.Y += rs.LineHeight;
}
if (styleStart != null)
{
foreach (var t in styleStart)
{
rs.RenderState.Add(this.TextView, t);
}
rs.RenderState.Apply(hdc);
}
if (styleEnd != null)
{
foreach (var t in styleEnd)
{
rs.RenderState.Remove(t);
}
rs.RenderState.Apply(hdc);
}
previousTextIndex = textIndex;
}
if (this.TextView.WordWrapGlyphs && lineCountVisual > 1)
{
RenderWordWrapGlyph(hdc, rs.ViewportY, rs.Y, rs.TextRectangle, rs.LineHeight);
}
this.RenderLineColumns(hdc, clientSize, rs);
rs.X = 0;
rs.LineIndexVirtual++;
rs.Y += rs.LineHeight;
}
this.PaintTooltipOverlay(hdc);
}
protected override void OnPaint(PaintEventArgs e)
{
this.EnsureSelectionArrays(this.CurrentTextColumnIndex);
#region buf
if (this.bufHBitmap != null)
{
if (this.bufHBitmapSize.Width != Width || this.bufHBitmapSize.Height != Height)
{
this.DisposeBuffer();
}
}
var destHdc = e.Graphics.GetHdc();
if (this.bufHdc == null || this.bufHdc.IsInvalid)
{
this.bufHdc = new SafeHandleDC(SafeNativeMethods.CreateCompatibleDC(destHdc));
}
if (this.bufHBitmap == null || this.bufHBitmap.IsInvalid)
{
var width = Width;
var height = Height;
if (width <= 0 || height <= 0)
{
e.Graphics.ReleaseHdc(destHdc);
return;
}
this.bufHBitmap = new SafeHandleGDI(SafeNativeMethods.CreateCompatibleBitmap(destHdc, width, height));
this.bufHBitmapSize = new Size(width, height);
SafeNativeMethods.SelectObject(this.bufHdc.DangerousGetHandle(), this.bufHBitmap.DangerousGetHandle());
}
#endregion
#region Initialize GDI resources
if (this.backBrush == null)
{
var c = this.BackColor;
this.backBrush = new SafeHandleGDI(SafeNativeMethods.CreateSolidBrush(ColorTranslator.ToWin32(c)));
c = Color.FromArgb((byte)(255 - SystemColors.Highlight.R), (byte)(255 - SystemColors.Highlight.G), (byte)(255 - SystemColors.Highlight.B));
this.caretBrushSelection = new SafeHandleGDI(SafeNativeMethods.CreateSolidBrush(ColorTranslator.ToWin32(c)));
}
#endregion
var hdc = this.bufHdc;
this.SetDefaultPaintState(hdc.DangerousGetHandle());
var clientRect = new RECT
{
right = ClientRectangle.Width,
bottom = ClientRectangle.Height
};
if (BackgroundImage != null)
{
if (staticBackgroundHBitmap == null)
{
staticBackgroundHBitmap = new SafeHandleGDI((BackgroundImage as Bitmap).GetHbitmap());
}
var bkgHdc = SafeNativeMethods.CreateCompatibleDC(destHdc);
var bkgHdcPrev = SafeNativeMethods.SelectObject(bkgHdc, staticBackgroundHBitmap.DangerousGetHandle());
for (var imgX = 0; imgX < ClientSize.Width; imgX += BackgroundImage.Width)
{
for (var imgY = 0; imgY < ClientSize.Height; imgY += BackgroundImage.Height)
{
SafeNativeMethods.BitBlt(hdc.DangerousGetHandle(), imgX, imgY, BackgroundImage.Width, BackgroundImage.Height, bkgHdc, 0, 0, NativeConstants.SRCCOPY);
}
}
SafeNativeMethods.SelectObject(bkgHdc, bkgHdcPrev);
SafeNativeMethods.DeleteDC(bkgHdc);
}
else
{
SafeNativeMethods.FillRect(hdc.DangerousGetHandle(), ref clientRect, this.backBrush.DangerousGetHandle());
}
#region Paint overlay under text if the control is read-only
if (this.IsReadOnly)
{
using (var g = Graphics.FromHdc(hdc.DangerousGetHandle()))
{
using (var hatchBrush = new HatchBrush(HatchStyle.ForwardDiagonal, Color.FromArgb(50, Color.Gray), Color.Transparent))
{
g.FillRectangle(hatchBrush, 0, 0, Width, Height);
}
}
}
#endregion
this._renderer.Render(hdc.DangerousGetHandle(), this.ScrollHost.ScrollPosH + this.GetTextRectangle(false).Left, this.ScrollHost.ScrollPosVIntegral, ClientSize);
#region Paint overlay if control is not enabled or virtual
if (Enabled == false)
{
using (var g = Graphics.FromHdc(hdc.DangerousGetHandle()))
{
using (var hatchBrush = new HatchBrush(HatchStyle.BackwardDiagonal, Color.Gray, Color.Transparent))
{
g.FillRectangle(hatchBrush, 0, 0, Width, Height);
}
}
}
else if (this.IsVirtual)
{
this.SetDefaultPaintState(hdc.DangerousGetHandle());
var brush = SafeNativeMethods.CreateHatchBrush(NativeConstants.HS_FDIAGONAL, ColorTranslator.ToWin32(Color.Gray));
var previousBrush = SafeNativeMethods.SelectObject(hdc.DangerousGetHandle(), brush);
var leftsideFillRect = new RECT
{
bottom = Height,
right = Padding.Left
};
SafeNativeMethods.FillRect(hdc.DangerousGetHandle(), ref leftsideFillRect, brush);
SafeNativeMethods.SelectObject(hdc.DangerousGetHandle(), previousBrush);
SafeNativeMethods.DeleteObject(brush);
}
#endregion
#region Paint caret
if (this._imeComposition != null && this._imeComposition.IsCompositioning)
{
this._imeComposition.Paint(hdc.DangerousGetHandle(), this.Caret.Location.X, this.Caret.Location.Y, this.Caret);
}
else
{
this.Caret.Render(hdc.DangerousGetHandle());
}
#endregion
#region Paint text limitation guides (when scrolling outside)
if (this.CanScrollOutside)
{
if (this.ScrollHost != null)
{
var endY = this.ScrollHost.VerticalMax - this.ScrollHost.ScrollPosVIntegral - this.LineHeight;
if (endY + this.LineHeight < ClientRectangle.Height)
{
// TODO: Should not be gray. Should be ControlPaint.Light(255 - this.BackColor)
var penHandle = SafeNativeMethods.CreatePen(NativeConstants.PS_DOT, -1, ColorTranslator.ToWin32(Color.Gray));
var previous = SafeNativeMethods.SelectObject(hdc.DangerousGetHandle(), penHandle);
SafeNativeMethods.MoveToEx(hdc.DangerousGetHandle(), 0, endY, IntPtr.Zero);
SafeNativeMethods.LineTo(hdc.DangerousGetHandle(), ClientRectangle.Width, endY);
SafeNativeMethods.SelectObject(hdc.DangerousGetHandle(), previous);
SafeNativeMethods.DeleteObject(penHandle);
}
var endX = this.ScrollHost.HorizontalMax - this.ScrollHost.ScrollPosH + Padding.Left + Padding.Right;
if (endX + this.LineHeight < ClientRectangle.Width)
{
var penHandle = SafeNativeMethods.CreatePen(NativeConstants.PS_DOT, -1,
ColorTranslator.ToWin32(Color.Gray));
var previous = SafeNativeMethods.SelectObject(hdc.DangerousGetHandle(), penHandle);
SafeNativeMethods.MoveToEx(hdc.DangerousGetHandle(), endX, 0, IntPtr.Zero);
SafeNativeMethods.LineTo(hdc.DangerousGetHandle(), endX, endY == -1
? ClientRectangle.Height
: endY);
SafeNativeMethods.SelectObject(hdc.DangerousGetHandle(), previous);
SafeNativeMethods.DeleteObject(penHandle);
}
}
}
#endregion
SafeNativeMethods.BitBlt(destHdc, 0, 0, this.bufHBitmapSize.Width, this.bufHBitmapSize.Height, hdc.DangerousGetHandle(), 0, 0, (int)NativeConstants.SRCCOPY);
e.Graphics.ReleaseHdc(destHdc);
destHdc = IntPtr.Zero;
base.OnPaint(e);
}
private SafeHandleGDI GetBufferTrack()
{
ScrollBarState state;
SafeHandleGDI target;
if (this._trackDown)
{
state = ScrollBarState.Pressed;
target = this._hbitmapTrackPressed;
}
else if (this._trackHover)
{
state = ScrollBarState.Hot;
target = this._hbitmapTrackHot;
}
else
{
state = ScrollBarState.Normal;
target = this._hbitmapTrack;
}
if (target != null)
{
return(target);
}
if (this.track.Width <= 0 || this.track.Height <= 0)
{
return(null);
}
using (var bmp = new Bitmap(this.track.Width, this.track.Height))
{
using (var g = Graphics.FromImage(bmp))
{
if (ScrollBarRenderer.IsSupported)
{
if (this.Horizontal)
{
ScrollBarRenderer.DrawRightHorizontalTrack(g, new Rectangle(0, 0, bmp.Width, bmp.Height), state);
}
else
{
ScrollBarRenderer.DrawUpperVerticalTrack(g, new Rectangle(0, 0, bmp.Width, bmp.Height), state);
}
}
else
{
var bgColor1 = state == ScrollBarState.Pressed ? Color.Black : SystemColors.ControlLightLight;
var bgColor2 = state == ScrollBarState.Pressed
? SystemColors.ControlDarkDark
: SystemColors.Control;
using (var b = new HatchBrush(HatchStyle.Percent50, bgColor1, bgColor2))
{
g.FillRectangle(b, 0, 0, bmp.Width, bmp.Height);
}
}
}
target = new SafeHandleGDI(bmp.GetHbitmap());
}
if (this._trackDown)
{
return(this._hbitmapTrackPressed = target);
}
if (this._trackHover)
{
return(this._hbitmapTrackHot = target);
}
return(this._hbitmapTrack = target);
}
private SafeHandleGDI GetBufferArrow2()
{
SafeHandleGDI target;
if (this._arrow2Down)
{
target = this._hbitmapArrow2Pressed;
}
else if (this._arrow2Hover)
{
target = this._hbitmapArrow2Hot;
}
else
{
target = this._hbitmapArrow2;
}
if (target != null)
{
return(target);
}
if (this.arrow2.Width <= 0 || this.arrow2.Height <= 0)
{
return(null);
}
using (var bmp = new Bitmap(this.arrow2.Width, this.arrow2.Height))
{
using (var g = Graphics.FromImage(bmp))
{
if (ScrollBarRenderer.IsSupported)
{
if (this.Horizontal)
{
var s4 = this._arrow2Down
? ScrollBarArrowButtonState.RightPressed
: this._arrow2Hover
? ScrollBarArrowButtonState.RightHot
: ScrollBarArrowButtonState.RightNormal;
ScrollBarRenderer.DrawArrowButton(g, new Rectangle(0, 0, this.arrow2.Width, this.arrow2.Height), s4);
}
else
{
var s4 = this._arrow2Down
? ScrollBarArrowButtonState.DownPressed
: this._arrow2Hover
? ScrollBarArrowButtonState.DownHot
: ScrollBarArrowButtonState.DownNormal;
ScrollBarRenderer.DrawArrowButton(g, new Rectangle(0, 0, this.arrow2.Width, this.arrow2.Height), s4);
}
}
else
{
ControlPaint.DrawScrollButton(
g,
new Rectangle(0, 0, this.arrow2.Width, this.arrow2.Height),
this.Horizontal ? ScrollButton.Right : ScrollButton.Down,
this._arrow2Down
? ButtonState.Pushed
: ButtonState.Normal);
}
}
target = new SafeHandleGDI(bmp.GetHbitmap());
}
if (this._arrow2Down)
{
return(this._hbitmapArrow2Pressed = target);
}
if (this._arrow2Hover)
{
return(this._hbitmapArrow2Hot = target);
}
return(this._hbitmapArrow2 = target);
}
public override unsafe void PaintLine(IntPtr hdc, RendererState rs)
{
if (this._hbmpInfo == null)
{
this._hbmpInfo = new SafeHandleGDI(((Bitmap)this.GetImage(rs.TextView)).GetHbitmap(Color.White));
}
if (this._handlePen == null)
{
this._handlePen = new SafeHandleGDI(SafeNativeMethods.CreatePen(NativeConstants.PS_SOLID, -1, ColorTranslator.ToWin32(Color.Silver)));
this._brushBackground = new SafeHandleGDI(SafeNativeMethods.CreateSolidBrush(ColorTranslator.ToWin32(Color.White)));
using (var faded = new Bitmap(16, 16))
{
using (var g = Graphics.FromImage(faded))
{
g.DrawImage(this.GetImage(rs.TextView), 0, 0);
using (var b = new SolidBrush(Color.FromArgb(240, Color.White)))
{
g.FillRectangle(b, 0, 0, 16, 16);
}
}
this._hbmpInfoFaded = new SafeHandleGDI(faded.GetHbitmap(Color.White));
}
}
var clientSize = rs.TextView.ClientSize;
var previousPen = SafeNativeMethods.SelectObject(hdc, this._handlePen.DangerousGetHandle());
SafeNativeMethods.MoveToEx(hdc, clientSize.Width - this.Width, rs.Y - rs.ViewportY, IntPtr.Zero);
SafeNativeMethods.LineTo(hdc, clientSize.Width - this.Width, rs.Y - rs.ViewportY + rs.LineHeight);
var hasNote = rs.Line.Metadata.ContainsKey("Note");
if (hasNote)
{
SafeHandleGDI hbmp = this._hbmpInfo;
// create a mirror device context associated with the target device context
var hdcCreated = SafeNativeMethods.CreateCompatibleDC(hdc);
// connect the bitmap with the mirror device context
var hBmOld = SafeNativeMethods.SelectObject(hdcCreated, hbmp.DangerousGetHandle());
// transfer the bitmap data from the mirror device context to the target DC
SafeNativeMethods.BitBlt(hdc, clientSize.Width - 16, rs.Y - rs.ViewportY, 16, 16, hdcCreated, 0, 0, NativeConstants.SRCCOPY);
SafeNativeMethods.SelectObject(hdc, previousPen);
SafeNativeMethods.DeleteObject(hBmOld);
SafeNativeMethods.DeleteDC(hdcCreated);
}
else
{
var r = new RECT
{
top = rs.Y - rs.ViewportY,
right = rs.X + this.Width,
bottom = rs.Y + rs.LineHeight,
left = rs.X + 1
};
SafeNativeMethods.FillRect(hdc, ref r, this._brushBackground.DangerousGetHandle());
}
if (rs.LineIndexVirtual == rs.LineIndexVirtualFocused && hasNote)
{
// We are currently on the same line
var note = rs.Line.Metadata["Note"];
var size = TextRenderer.MeasureText(note, rs.TextView.Font, rs.TextRectangle.Size);
var r = new RECT
{
top = rs.Y - rs.ViewportY,
right = rs.X - 5,
bottom = rs.Y + size.Height,
left = rs.X - size.Width - 5
};
SafeNativeMethods.FillRect(hdc, ref r, this._brushBackground.DangerousGetHandle());
fixed(char *c = note)
{
SafeNativeMethods.TextOut(hdc, r.left, r.top, c, note.Length);
}
}
}
private SafeHandleGDI GetBufferThumb()
{
ScrollBarState state;
SafeHandleGDI target;
if (this._thumbDown)
{
state = ScrollBarState.Pressed;
target = this._hbitmapThumbPressed;
}
else if (this._thumbHover)
{
state = ScrollBarState.Hot;
target = this._hbitmapThumbHot;
}
else
{
state = ScrollBarState.Normal;
target = this._hbitmapThumb;
}
if (target != null)
{
return(target);
}
if (this.thumb.Height <= 0)
{
return(null);
}
var w = this.thumb.Width;
var h = this.thumb.Height;
if (w <= 0 || h <= 0)
{
return(null);
}
using (var bmp = new Bitmap(w, h))
{
using (var g = Graphics.FromImage(bmp))
{
if (ScrollBarRenderer.IsSupported)
{
if (this.Horizontal)
{
ScrollBarRenderer.DrawHorizontalThumb(g, new Rectangle(-1, 0, bmp.Width + 2, bmp.Height), state);
ScrollBarRenderer.DrawHorizontalThumbGrip(
g,
new Rectangle(
(bmp.Width / 2) - (this.thumbGrip.Width / 2),
(bmp.Height / 2) - (this.thumbGrip.Height / 2),
this.thumbGrip.Width,
this.thumbGrip.Height),
state);
}
else
{
ScrollBarRenderer.DrawVerticalThumb(g, new Rectangle(0, -1, bmp.Width, bmp.Height + 2), state);
ScrollBarRenderer.DrawVerticalThumbGrip(
g,
new Rectangle(
(bmp.Width / 2) - (this.thumbGrip.Width / 2),
(bmp.Height / 2) - (this.thumbGrip.Height / 2),
this.thumbGrip.Width,
this.thumbGrip.Height),
state);
}
}
else
{
ControlPaint.DrawButton(g, new Rectangle(0, 0, bmp.Width, bmp.Height), ButtonState.Normal);
}
}
target = new SafeHandleGDI(bmp.GetHbitmap());
}
if (this._thumbDown)
{
return(this._hbitmapThumbPressed = target);
}
if (this._thumbHover)
{
return(this._hbitmapThumbHot = target);
}
return(this._hbitmapThumb = target);
}
public override void Paint(IntPtr hdc, ITextSegmentStyled textSegment, ITextView textView,
TextSegmentVisualInfo info, int x, int y, int lineHeight, StyleRenderInfo sri)
{
var index = (int)textSegment.Object;
var allSegments = sri.Get <ITextSegmentStyled[]>("speaker.segments");
if (allSegments == null)
{
allSegments = textView.TextDocument.TextSegmentStyledManager.GetStyledTextSegments(NameKey).ToArray();
sri.Set("speaker.segments", allSegments);
}
Color color;
if (index == -1)
{
// TODO: Figure out the current speaker's index
foreach (var styledSegment in allSegments)
{
var otherIndex = (int)styledSegment.Object;
if (otherIndex == -1)
{
index = index == 1 ? 2 : 1;
}
else
{
index = otherIndex;
}
if (styledSegment == textSegment)
{
// We've arrived at our own row, so let's abort now.
break;
}
}
}
var fill = false;
switch (index)
{
case 1:
color = Color.WhiteSmoke;
break;
case 2:
color = Color.FromArgb(242, 255, 22);
break;
case 3:
color = Color.FromArgb(189, 189, 255);
break;
case 4:
color = Color.FromArgb(178, 255, 159);
break;
case 5:
color = Color.FromArgb(255, 189, 189);
break;
case -2:
fill = true;
color = Color.FromArgb(255, 0, 0);
break;
default:
color = Color.FromArgb(200, 200, 200);
break;
}
if (fill)
{
var brush = new SafeHandleGDI(SafeNativeMethods.CreateSolidBrush(ColorTranslator.ToWin32(color)));
var previousBrush = SafeNativeMethods.SelectObject(hdc, brush.DangerousGetHandle());
var previousBkMode = SafeNativeMethods.SetBkMode(hdc, NativeConstants.TRANSPARENT);
var r = new RECT
{
top = y,
right = textView.ClientSize.Width,
bottom = y + lineHeight,
left = info.Size.Width + 10
};
SafeNativeMethods.FillRect(hdc, ref r, brush.DangerousGetHandle());
SafeNativeMethods.SelectObject(hdc, previousBrush);
SafeNativeMethods.SetBkMode(hdc, previousBkMode);
}
else
{
var pen = new SafeHandleGDI(SafeNativeMethods.CreatePen(NativeConstants.PS_SOLID, -1,
ColorTranslator.ToWin32(color)));
var previousPen = SafeNativeMethods.SelectObject(hdc, pen.DangerousGetHandle());
var previousBkMode = SafeNativeMethods.SetBkMode(hdc, NativeConstants.TRANSPARENT);
SafeNativeMethods.MoveToEx(hdc, 1, y, IntPtr.Zero);
SafeNativeMethods.LineTo(hdc, 1, y + lineHeight);
SafeNativeMethods.MoveToEx(hdc, fill ? info.Size.Width : 2, y, IntPtr.Zero);
SafeNativeMethods.LineTo(hdc, fill ? info.Size.Width : 2, y + lineHeight);
SafeNativeMethods.SelectObject(hdc, previousPen);
SafeNativeMethods.SetBkMode(hdc, previousBkMode);
}
}
