internal D2dBitmap(D2dGraphics owner, SharpDX.Direct2D1.Bitmap bmp)
{
m_nativeBitmap = bmp;
m_owner = owner;
m_bitmap = null;
m_owner.RecreateResources += RecreateResources;
m_rtNumber = owner.RenderTargetNumber;
}
internal D2dBitmap(D2dGraphics owner, System.Drawing.Bitmap bmp)
{
if (bmp.PixelFormat != GdiPixelFormat.Format32bppPArgb)
throw new System.ArgumentException("pixel format must be GdiPixelFormat.Format32bppPArgb");
m_owner = owner;
m_bitmap = bmp;
Create();
m_owner.RecreateResources += RecreateResources;
m_rtNumber = owner.RenderTargetNumber;
}
internal D2dRadialGradientBrush(D2dGraphics owner, PointF center,
PointF gradientOriginOffset,
float radiusX,
float radiusY,
params D2dGradientStop[] gradientStops)
: base(owner)
{
m_center = center;
m_gradientOriginOffset = gradientOriginOffset;
m_radiusX = radiusX;
m_radiusY = radiusY;
m_gradientStops = new D2dGradientStop[gradientStops.Length];
Array.Copy(gradientStops, m_gradientStops, m_gradientStops.Length);
Create();//to-do: it's dangerous to call a virtual method in a constructor; derived class may not be properly initialized!
}
/// <summary>
/// Initializes class with graphics object</summary>
/// <param name="graphics">Graphics object for drawing</param>
public override void Init(D2dGraphics graphics)
{
base.Init(graphics);
SelectedBrush = graphics.CreateSolidBrush(Color.Tomato);//should have width of 3
CollapsedBrush = graphics.CreateSolidBrush(Color.LightGray);
InvalidBrush = graphics.CreateSolidBrush(Color.DimGray);
GroupBrush = graphics.CreateLinearGradientBrush(
new D2dGradientStop(Color.LightGoldenrodYellow, 0),
new D2dGradientStop(Color.Khaki, 1));
GhostGroupBrush = graphics.CreateSolidBrush(Color.FromArgb(128, Color.Gray));
TrackBrush = graphics.CreateSolidBrush(Color.LightGray);
GhostTrackBrush = graphics.CreateSolidBrush(Color.FromArgb(128, Color.Gray));
TextBrush = graphics.CreateSolidBrush(SystemColors.WindowText);
}
internal D2dLinearGradientBrush(D2dGraphics owner, PointF pt1,
PointF pt2,
D2dGradientStop[] gradientStops,
D2dExtendMode extendMode,
D2dGamma gamma)
: base(owner)
{
m_start = pt1;
m_end = pt2;
m_gradientStops = new D2dGradientStop[gradientStops.Length];
Array.Copy(gradientStops, m_gradientStops, m_gradientStops.Length);
m_gamma = gamma;
m_extendMode = extendMode;
Create();//to-do: it's dangerous to call a virtual method in a constructor; derived class may not be properly initialized!
}
/// <summary>
/// Initializes this class with a graphics object. Must be called before using this class to render.</summary>
/// <param name="graphics">The graphics object that this TimelineRenderer will permanently use</param>
public virtual void Init(D2dGraphics graphics)
{
if (m_graphics != null)
throw new InvalidOperationException("Only call Init() once");
m_graphics = graphics;
m_gridPen = m_graphics.CreateSolidBrush(Color.FromArgb(128, 128, 128, 128));
m_headerBrush = m_graphics.CreateSolidBrush(SystemColors.Control);
m_headerLineBrush = m_graphics.CreateSolidBrush(SystemColors.ControlDark);
m_scaleLineBrush = m_graphics.CreateSolidBrush(SystemColors.ControlDark);
m_expanderBrush = m_graphics.CreateSolidBrush(Color.DimGray);
m_nameBrush = m_graphics.CreateSolidBrush(SystemColors.WindowText);
m_scaleTextBrush = m_graphics.CreateSolidBrush(SystemColors.WindowText);
m_generalSolidColorBrush = m_graphics.CreateSolidBrush(Color.Empty);
m_trackTextFormat = D2dFactory.CreateTextFormat(Font);
m_trackTextFormat.ParagraphAlignment = D2dParagraphAlignment.Far;
m_trackTextFormat.TextAlignment = D2dTextAlignment.Trailing;
}
/// <summary>
/// Draws horizontal grid using Direct2D</summary>
/// <param name="transform">Transform from graph (world) to Window's client (screen) transform</param>
/// <param name="graphRect">Graph rectangle</param>
/// <param name="step">Grid step in canvas coordinates</param>
/// <param name="color">Grid line color</param>
/// <param name="g">Graphics Direct2D drawing surface</param>
public static void DrawHorizontalGrid(
Matrix transform,
RectangleF graphRect,
double step,
Color color,
D2dGraphics g)
{
double yScale = transform.Elements[3];
RectangleF clientRect = GdiUtil.Transform(transform, graphRect);
double screenStep = Math.Abs(yScale * step);
int a = ComputeOpacity(screenStep);
color = Color.FromArgb(a, color);
double start = graphRect.Top - MathUtil.Remainder(graphRect.Top, step) + step;
for (double y = start; y < graphRect.Bottom; y += step)
{
double cy = (y - graphRect.Top) * yScale + clientRect.Top;
g.DrawLine(clientRect.Left, (float)cy, clientRect.Right, (float)cy, color);
}
}
/// <summary>
/// Draws the scrubber manipulator and calculates the bounding rectangle on the handle</summary>
/// <param name="g">The graphics object to draw with</param>
/// <param name="handleRect">The handle's bounding rectangle for pick tests, in view
/// coordinates</param>
protected virtual void DrawManipulator(D2dGraphics g, out RectangleF handleRect)
{
Matrix worldToView = Owner.Transform;
float viewX = Sce.Atf.GdiUtil.Transform(worldToView, Position);
Rectangle clipRectangle = Owner.VisibleClientRectangle;
// allow only the arrow portion to be selected
handleRect = new RectangleF(
viewX - 5,
clipRectangle.Top,
10,
7);
g.DrawLine(viewX, clipRectangle.Top, viewX, clipRectangle.Bottom, s_color, 1.0f, null);
Color handle_color = m_isMoving ? Color.Tomato : s_color;
float pos_x = viewX;
float pos_y = clipRectangle.Top + 5;
s_arrow[0] = new PointF(pos_x - 4, pos_y - 5);
s_arrow[1] = new PointF(pos_x - 4, pos_y);
s_arrow[2] = new PointF(pos_x - 5, pos_y + 1);
s_arrow[3] = new PointF(pos_x - 5, pos_y + 2);
s_arrow[4] = new PointF(pos_x, pos_y + 7);
s_arrow[5] = new PointF(pos_x + 5, pos_y + 2);
s_arrow[6] = new PointF(pos_x + 5, pos_y + 1);
s_arrow[7] = new PointF(pos_x + 4, pos_y);
s_arrow[8] = new PointF(pos_x + 4, pos_y - 5);
//g.FillPolygon(s_arrow, handle_color); // Fill arrow
// Draw arrow border with same gray Photoshop uses
//g.DrawLines(s_arrow, Color.FromArgb(116, 114, 106), 3.0f);
g.DrawLines(s_arrow, handle_color, 2.0f);
string label = Position.ToString(CultureInfo.CurrentCulture);
g.DrawText(label, Owner.Renderer.TextFormat, new PointF(pos_x + 6, clipRectangle.Top), SystemColors.WindowText);
}
internal D2dBitmap(D2dGraphics owner, int width, int height)
{
if (width < 1 || height < 1)
throw new ArgumentOutOfRangeException("Width and height must be greater than zero");
m_owner = owner;
var props = new SharpDX.Direct2D1.BitmapProperties();
props.DpiX = m_owner.DotsPerInch.Width;
props.DpiY = m_owner.DotsPerInch.Height;
props.PixelFormat = new SharpDX.Direct2D1.PixelFormat(SharpDX.DXGI.Format.B8G8R8A8_UNorm, SharpDX.Direct2D1.AlphaMode.Premultiplied);
m_nativeBitmap = new SharpDX.Direct2D1.Bitmap(m_owner.D2dRenderTarget, new Size2(width, height), props);
m_owner.RecreateResources += RecreateResources;
m_rtNumber = owner.RenderTargetNumber;
}
/// <summary>
/// Constructor</summary>
/// <param name="renderer">Timeline renderer</param>
/// <param name="transform">Transform, taking timeline coordinates to display</param>
/// <param name="clientRectangle">Bounds of displayed area of timeline, in screen space</param>
/// <param name="g">Graphics object</param>
public Context(
D2dTimelineRenderer renderer,
Matrix transform,
RectangleF clientRectangle,
D2dGraphics g)
{
Graphics = g;
Transform = transform;
ClientRectangle = clientRectangle;
Bounds = GdiUtil.InverseTransform(transform, clientRectangle);
TextFormat = renderer.m_textFormat;
FontHeight = renderer.m_textFormat.FontHeight;
PixelSize = new SizeF(1 / transform.Elements[0], 1 / transform.Elements[3]);
}
private void DrawAnnotation(IAnnotation annotation, DiagramDrawingStyle style, D2dGraphics g, bool drawText, RectangleF graphBound)
{
// fill background
Rectangle bounds = annotation.Bounds;
Color backColor = m_coloringContext == null
? SystemColors.Info
: (Color) m_coloringContext.GetColor(ColoringTypes.BackColor, annotation);
// keep the width of border in 1 pixel after transformation to avoid D2d antialiasing away the line
float borderThickness = 1.0f/m_scaleX;
g.FillRectangle(bounds, backColor);
g.DrawRectangle(bounds, ControlPaint.Dark(backColor), borderThickness, null);
// draw titlebar
if (style == DiagramDrawingStyle.LastSelected || style == DiagramDrawingStyle.Selected)
{
var titleBarRect = new RectangleF(bounds.X, bounds.Y, bounds.Width, Margin.Top - 1);
g.FillRectangle(titleBarRect, ControlPaint.Dark(backColor));
}
// line seperate titlebar from text content
g.DrawLine(bounds.X, bounds.Y + Margin.Top-1, bounds.X + bounds.Width, bounds.Y + Margin.Top-1, ControlPaint.Dark(backColor), borderThickness);
// draw content
if (drawText)
{
var contentBounds = new RectangleF(bounds.X + Margin.Left, bounds.Y + Margin.Top,
bounds.Width - Margin.Size.Width, bounds.Height - Margin.Size.Height);
contentBounds.Width = Math.Max(contentBounds.Width, MinimumWidth);
contentBounds.Height = Math.Max(contentBounds.Height, MinimumHeight);
var textBounds = contentBounds;
int topLine = 0;
D2dTextLayout textLayout = null;
if (m_annotationEditors.ContainsKey(annotation))
{
var annotationEditor = m_annotationEditors[annotation];
if (annotationEditor.TextLayout.Text != annotation.Text) // text content changed, for example, undo,redo
{
annotationEditor.ResetText(annotation.Text);
}
topLine = annotationEditor.TopLine;
textLayout = m_annotationEditors[annotation].TextLayout;
annotationEditor.VerticalScrollBarVisibe = textLayout.Height > textLayout.LayoutHeight;
if (m_annotationEditors[annotation].VerticalScrollBarVisibe)
textBounds.Width -= ScrollBarWidth + 2 * ScrollBarMargin;
textLayout.LayoutWidth = textBounds.Width;
textLayout.LayoutHeight = textBounds.Height;
}
if (textLayout == null)
{
// first assume no v-scroll bar needed
textLayout = D2dFactory.CreateTextLayout(annotation.Text, m_theme.TextFormat, contentBounds.Width, contentBounds.Height);
if (m_theme.TextFormat.Underlined)
textLayout.SetUnderline(true, 0, annotation.Text.Length);
if (m_theme.TextFormat.Strikeout)
textLayout.SetStrikethrough(true, 0, annotation.Text.Length);
if (textLayout.Height > textLayout.LayoutHeight) // need v-scroll bar
{
textLayout.LayoutWidth = contentBounds.Width - ScrollBarWidth - 2*ScrollBarMargin;
}
m_annotationEditors.Add(annotation, new TextEditor()
{
TextLayout = textLayout,
TextFormat = m_theme.TextFormat,
TopLine = topLine,
VerticalScrollBarVisibe = textLayout.Height > textLayout.LayoutHeight
});
}
var annotationData = m_annotationEditors[annotation];
PointF origin = new PointF(contentBounds.Location.X, contentBounds.Location.Y - topLine * m_theme.TextFormat.FontHeight);
g.PushAxisAlignedClip(contentBounds);
// draw the selection range behind the text.
if (annotationData.SelectionLength > 0)
{
var hitTestMetrics = textLayout.HitTestTextRange(annotationData.SelectionStart, annotationData.SelectionLength, 0, 0);
for (int i = 0; i < hitTestMetrics.Length; ++i)
{
var highlightRect = new RectangleF(hitTestMetrics[i].Point.X, hitTestMetrics[i].Point.Y, hitTestMetrics[i].Width,
hitTestMetrics[i].Height);
highlightRect.Offset(origin);
g.FillRectangle(highlightRect, m_theme.TextHighlightBrush);
}
}
// draw caret
if ( style == DiagramDrawingStyle.Selected || style == DiagramDrawingStyle.LastSelected)
{
textLayout = annotationData.TextLayout;
var caretRect = m_annotationEditors[annotation].GetCaretRect();
caretRect.Offset(origin);
//g.FillRectangle(caretRect, m_theme.HotBrush);
// set Windows caret position
if (m_editingText && contentBounds.IntersectsWith(caretRect) && graphBound.IntersectsWith(caretRect) && AdaptedControl.Focused)
{
var caretClientRect = GdiUtil.Transform(m_transformAdapter.Transform, caretRect);
float ratio = m_scaleX*m_theme.TextFormat.FontHeight/CaretHeight;
if (ratio > 1.1f || ratio < 0.9f) // adjust caret height
{
CaretHeight = (int)(m_scaleX*m_theme.TextFormat.FontHeight);
User32.DestroyCaret();
User32.CreateCaret(AdaptedControl.Handle, IntPtr.Zero, CaretWidth, CaretHeight);
}
// align bottom
User32.SetCaretPos((int) caretClientRect.X, (int)(caretClientRect.Y + caretClientRect.Height - CaretHeight));
if (!m_rmbPressed)
AdaptedControl.HasKeyboardFocus = true;
}
else
HideCaret();
}
// draw text
g.DrawTextLayout(origin, textLayout, m_theme.TextBrush);
g.PopAxisAlignedClip();
// draw v-scroll bar
if (contentBounds.Height < textLayout.Height)
{
float visibleLines = contentBounds.Height / m_theme.TextFormat.FontHeight;
float vMin = topLine * textLayout.LayoutHeight / textLayout.LineCount;
float vMax = (topLine + visibleLines-1) * textLayout.LayoutHeight / textLayout.LineCount;
if (m_scrolling)
{
var trackBounds = new RectangleF(contentBounds.Right - ScrollBarMargin - ScrollBarWidth, contentBounds.Y, ScrollBarWidth, contentBounds.Height);
g.FillRectangle(trackBounds, Color.Gainsboro);
}
var thumbBounds = new RectangleF(contentBounds.Right - ScrollBarMargin - ScrollBarWidth, contentBounds.Y + vMin, ScrollBarWidth, vMax - vMin);
g.FillRectangle(thumbBounds, Color.DimGray);
}
}
else
HideCaret();
}
internal D2dBitmapBrush(D2dGraphics owner, D2dBitmap bitmap)
: base(owner)
{
m_bitmap = bitmap;
m_extendModeX = D2dExtendMode.Clamp;
m_extendModeY = D2dExtendMode.Clamp;
m_location = new PointF(1, 1);
m_interpolationMode = D2dBitmapInterpolationMode.Linear;
Create();//to-do: it's dangerous to call a virtual method in a constructor; derived class may not be properly initialized!
}
internal D2dSolidColorBrush(D2dGraphics owner, Color color)
: base(owner)
{
m_color = color;
Create();//to-do: it's dangerous to call a virtual method in a constructor; derived class may not be properly initialized!
}
/// <summary>
/// Draws a pin button, which looks like a square with
/// a dash (expanded) or a cross (unexpanded).</summary>
/// <param name="x">X coordinate of pin top left corner</param>
/// <param name="y">Y coordinate of pin top left corner</param>
/// <param name="pinned">Whether or not pin should appear "pinned"</param>
/// <param name="toLeft">Whether pin points left or right</param>
/// <param name="pen">Pen, should be 1 pixel wide</param>
/// <param name="g">Graphics object</param>
public static void DrawPin(int x, int y, bool pinned, bool toLeft, D2dBrush pen, D2dGraphics g)
{
if (toLeft)
DrawLeftPin(x, y, ThumbtackSize, pen, pinned, g);
else
DrawRightPin(x, y, ThumbtackSize, pen, pinned, g);
}
internal D2dBrush(D2dGraphics owner)
{
m_owner = owner;
m_owner.RecreateResources += RecreateResources;
m_rtNumber = owner.RenderTargetNumber;
}
internal D2dBitmapGraphics(D2dGraphics owner,BitmapRenderTarget renderTarget)
: base(renderTarget)
{
m_owner = owner;
}
/// <summary>
/// Draws vertical grid lines using Direct2D</summary>
/// <param name="transform">Transform from graph (world) to Window's client (screen) transform</param>
/// <param name="graphRect">Graph rectangle</param>
/// <param name="step">Grid step in canvas coordinates</param>
/// <param name="color">Grid line color</param>
/// <param name="g">Graphics Direct2D drawing surface</param>
public static void DrawVerticalGrid(
Matrix transform,
RectangleF graphRect,
double step,
Color color,
D2dGraphics g)
{
double xScale = transform.Elements[0];
RectangleF clientRect = GdiUtil.Transform(transform, graphRect);
double screenStep = Math.Abs(xScale * step);
int a = ComputeOpacity(screenStep);
color = Color.FromArgb(a, color);
double start = graphRect.Left - MathUtil.Remainder(graphRect.Left, step) + step;
for (double x = start; x < graphRect.Right; x += step)
{
double cx = (x - graphRect.Left) * xScale + clientRect.Left;
g.DrawLine((float)cx, clientRect.Top, (float)cx, clientRect.Bottom, color);
}
}
/// <summary>
/// Draws a tree-control style expander, which looks like a square with
/// a dash (expanded) or a cross (unexpanded).</summary>
/// <param name="x">X coordinate of expander top right corner</param>
/// <param name="y">Y coordinate of expander top right corner</param>
/// <param name="pen">Pen, should be 1 pixel wide</param>
/// <param name="size">Size of pin, in pixels</param>
/// <param name="pinned">Whether or not expander should appear "expanded"</param>
/// <param name="g">Graphics object</param>
public static void DrawRightPin(int x, int y, int size, D2dBrush pen, bool pinned, D2dGraphics g)
{
//g.DrawRectangle(pen, x - size, y, size, size);
int rectWidth = size / 4;
int rectHeight = 2 * size / 3;
int center = size / 2;
if (pinned)
{
g.DrawLine(x + center - size, y + rectHeight, x + center - size, y + size, pen); //lower center-vertical line
g.DrawLine(x - size, y + rectHeight, x, y + rectHeight, pen); // middle-horizontal line
g.DrawRectangle(new RectangleF(x + rectWidth - size, y, 2 * rectWidth, rectHeight), pen);
//g.DrawLine(pen, x + 3 * rectWidth - 1, y, x + 3 * rectWidth - 1, y + rectHeight); // a vertial line next to the right side of the rect
g.DrawLine(x + 3 * rectWidth - 1 - size, y,
x + 3 * rectWidth - 1 - size, y + rectHeight, pen); // a vertial line next to the right side of the rect
}
else
{
g.DrawLine(x, y + center, x - size + rectHeight, y + center, pen); //left center-horizontal line
g.DrawLine(x - size + rectHeight, y, x - size + rectHeight, y + size, pen); // middle-vertical line
g.DrawRectangle(new RectangleF(x - size, y + (size - rectWidth) / 2 - 1, rectHeight, 2 * rectWidth), pen);
g.DrawLine(x - size + rectHeight, y + (size - rectWidth) / 2 + 2 * rectWidth - 2, x - size, y + (size - rectWidth) / 2 + 2 * rectWidth - 2, pen); // a horizontal line next to the bottom side of the rect
}
}
private void DrawAnnotation(IAnnotation annotation, DiagramDrawingStyle style, D2dGraphics g, bool drawText, RectangleF graphBound)
{
// fill background
Rectangle bounds = annotation.Bounds;
Color backColor = m_coloringContext == null
? SystemColors.Info
: m_coloringContext.GetColor(ColoringTypes.BackColor, annotation);
Color foreColor = m_coloringContext == null
? SystemColors.WindowText
: m_coloringContext.GetColor(ColoringTypes.ForeColor, annotation);
// keep the width of border in 2 pixel after transformation to avoid D2d antialiasing away the line
float borderThickness = 2.0f/m_scaleX;
g.FillRectangle(bounds, backColor);
g.DrawRectangle(bounds, m_theme.GetOutLineBrush(style), borderThickness);
//// draw titlebar
//if (style == DiagramDrawingStyle.LastSelected || style == DiagramDrawingStyle.Selected)
//{
// var titleBarRect = new RectangleF(bounds.X, bounds.Y, bounds.Width, Margin.Top - 1);
// g.FillRectangle(titleBarRect, ControlPaint.Dark(backColor));
//}
//// line seperate titlebar from text content
//g.DrawLine(bounds.X, bounds.Y + Margin.Top-1, bounds.X + bounds.Width, bounds.Y + Margin.Top-1, ControlPaint.Dark(backColor), borderThickness);
// draw content
if (drawText)
{
var contentBounds = new RectangleF(bounds.X + Margin.Left, bounds.Y + Margin.Top,
bounds.Width - Margin.Size.Width, bounds.Height - Margin.Size.Height);
contentBounds.Width = Math.Max(contentBounds.Width, MinimumWidth);
contentBounds.Height = Math.Max(contentBounds.Height, MinimumHeight);
var textBounds = contentBounds;
TextEditor textEditor;
if (!m_annotationEditors.TryGetValue(annotation,out textEditor))
{
// first assume no v-scroll bar needed
var textLayout = D2dFactory.CreateTextLayout(annotation.Text, m_theme.TextFormat, contentBounds.Width, contentBounds.Height);
if (m_theme.TextFormat.Underlined)
textLayout.SetUnderline(true, 0, annotation.Text.Length);
if (m_theme.TextFormat.Strikeout)
textLayout.SetStrikethrough(true, 0, annotation.Text.Length);
if (textLayout.Height > textLayout.LayoutHeight) // need v-scroll bar
{
textLayout.LayoutWidth = contentBounds.Width - ScrollBarWidth - 2 * ScrollBarMargin;
}
textEditor = new TextEditor
{
TextLayout = textLayout,
TextFormat = m_theme.TextFormat,
TopLine = 0,
VerticalScrollBarVisibe = textLayout.Height > textLayout.LayoutHeight
};
m_annotationEditors.Add(annotation, textEditor);
}
else if (textEditor.TextLayout.Text != annotation.Text) // text content changed, for example, undo,redo
{
textEditor.ResetText(annotation.Text);
}
int topLine = textEditor.TopLine;
textEditor.VerticalScrollBarVisibe = textEditor.TextLayout.Height > textEditor.TextLayout.LayoutHeight;
if (textEditor.VerticalScrollBarVisibe)
textBounds.Width -= ScrollBarWidth + 2 * ScrollBarMargin;
if (Math.Abs(textEditor.TextLayout.LayoutWidth - textBounds.Width) +
Math.Abs(textEditor.TextLayout.LayoutHeight - textBounds.Height) > 1.0)
{
textEditor.TextLayout.LayoutWidth = textBounds.Width; // layout width and height can be updated
textEditor.TextLayout.LayoutHeight = textBounds.Height;
textEditor.Validate();
}
float yOffset = textEditor.GetLineYOffset(topLine);
PointF origin = new PointF(contentBounds.Location.X, contentBounds.Location.Y - yOffset);
g.PushAxisAlignedClip(contentBounds);
// adjust caret.
// pull out this code to the caller.
if ( annotation == m_editingAnnotation && m_caretCreated)
{
var caretRect = textEditor.GetCaretRect();
caretRect.Offset(origin);
// set Windows caret position
if (contentBounds.IntersectsWith(caretRect) && AdaptedControl.Focused)
{
Matrix3x2F xform = m_transformAdapter != null ? m_transformAdapter.Transform
: g.Transform;
var caretClientRect = Matrix3x2F.Transform(xform, caretRect);
float ratio = m_scaleX*m_theme.TextFormat.FontHeight/CaretHeight;
if (ratio > 1.1f || ratio < 0.9f) // adjust caret height
{
CaretHeight = (int)(m_scaleX*m_theme.TextFormat.FontHeight);
User32.DestroyCaret();
User32.CreateCaret(AdaptedControl.Handle, IntPtr.Zero, CaretWidth, CaretHeight);
}
// align bottom
User32.SetCaretPos((int) caretClientRect.X, (int)(caretClientRect.Y + caretClientRect.Height - CaretHeight));
if (!m_rmbPressed)
AdaptedControl.HasKeyboardFocus = true;
}
else
HideCaret();
}
// draw the selection range above the text.
if (textEditor.SelectionLength > 0)
{
D2dBrush hibrush = AdaptedControl.Focused ? m_theme.TextHighlightBrush : m_solidBrush;
var hitTestMetrics = textEditor.TextLayout.HitTestTextRange(textEditor.SelectionStart, textEditor.SelectionLength, 0, 0);
for (int i = 0; i < hitTestMetrics.Length; ++i)
{
var highlightRect = new RectangleF(hitTestMetrics[i].Point.X, hitTestMetrics[i].Point.Y, hitTestMetrics[i].Width,
hitTestMetrics[i].Height);
highlightRect.Offset(origin);
g.FillRectangle(highlightRect, hibrush);
}
}
// draw text
g.DrawTextLayout(origin, textEditor.TextLayout, foreColor);
g.PopAxisAlignedClip();
// draw v-scroll bar
// if (contentBounds.Height < textEditor.TextLayout.Height)
if(textEditor.VerticalScrollBarVisibe)
{
float visibleLines = textEditor.GetVisibleLines();
float vMin = topLine * contentBounds.Height / textEditor.TextLayout.LineCount;
float vMax = (topLine + visibleLines - 1) * contentBounds.Height / textEditor.TextLayout.LineCount;
// if (m_scrolling)
// {
var trackBounds = new RectangleF(contentBounds.Right - ScrollBarMargin - ScrollBarWidth, contentBounds.Y, ScrollBarWidth, contentBounds.Height);
g.FillRectangle(trackBounds, Color.Gainsboro);
// }
var thumbBounds = new RectangleF(contentBounds.Right - ScrollBarMargin - ScrollBarWidth, contentBounds.Y + vMin, ScrollBarWidth, vMax - vMin);
g.FillRectangle(thumbBounds, Color.DimGray);
}
}
}