void DrawErrorMarkers(MonoTextEditor editor, Cairo.Context g, LineMetrics metrics, double y)
{
uint curIndex = 0, byteIndex = 0;
var o = metrics.LineSegment.Offset;
foreach (var task in errors.Select(t => t.Task))
{
var column = (uint)(Math.Min(Math.Max(0, task.Column - 1), metrics.Layout.LineChars.Length));
var line = editor.GetLine(task.Line);
// skip possible white space locations
while (column < line.Length && char.IsWhiteSpace(editor.GetCharAt(line.Offset + (int)column)))
{
column++;
}
if (column >= line.Length)
{
continue;
}
int index = (int)metrics.Layout.TranslateToUTF8Index(column, ref curIndex, ref byteIndex);
var pos = metrics.Layout.Layout.IndexToPos(index);
var co = o + task.Column - 1;
g.SetSourceColor(GetMarkerColor(false, metrics.SelectionStart <= co && co < metrics.SelectionEnd));
g.MoveTo(
metrics.TextRenderStartPosition + editor.TextViewMargin.TextStartPosition + pos.X / Pango.Scale.PangoScale,
y + editor.LineHeight - 3
);
g.RelLineTo(3, 3);
g.RelLineTo(-6, 0);
g.ClosePath();
g.Fill();
}
}
public virtual void RenderShadow(Cairo.Context context, Gdk.Rectangle region, PopupPosition arrowPosition)
{
RenderBorder(context, region, arrowPosition);
double r = CornerRadius;
double x = region.X + 0.5, y = region.Y + 0.5, w = region.Width - 1, h = region.Height - 1;
context.MoveTo(x + w, y + h - r);
context.Arc(x + w - r, y + h - r, r, 0, Math.PI * 0.5);
if (ShowArrow && (arrowPosition & PopupPosition.Bottom) != 0)
{
double apos = ArrowOffset;
context.LineTo(x + apos + ArrowWidth / 2, y + h);
context.RelLineTo(-ArrowWidth / 2, ArrowLength);
context.RelLineTo(-ArrowWidth / 2, -ArrowLength);
}
context.Arc(x + r, y + h - r, r, Math.PI * 0.5, Math.PI);
// FIXME: VV: Remove gradient features
using (var lg = new Cairo.LinearGradient(0, y + h - r, 0, y + h)) {
lg.AddColorStop(0.5, ShadowColor.MultiplyAlpha(0.0));
lg.AddColorStop(1, ShadowColor);
context.SetSource(lg);
context.LineWidth = 1;
context.Stroke();
}
}
public static void DrawRoundRectangle(Cairo.Context cr, double x, double y, double r, double w, double h)
{
const double ARC_TO_BEZIER = 0.55228475;
double radius_x = r;
double radius_y = r / 4;
if (radius_x > w - radius_x)
{
radius_x = w / 2;
}
if (radius_y > h - radius_y)
{
radius_y = h / 2;
}
double c1 = ARC_TO_BEZIER * radius_x;
double c2 = ARC_TO_BEZIER * radius_y;
cr.NewPath();
cr.MoveTo(x + radius_x, y);
cr.RelLineTo(w - 2 * radius_x, 0.0);
cr.RelCurveTo(c1, 0.0,
radius_x, c2,
radius_x, radius_y);
cr.RelLineTo(0, h - 2 * radius_y);
cr.RelCurveTo(0.0, c2, c1 - radius_x, radius_y, -radius_x, radius_y);
cr.RelLineTo(-w + 2 * radius_x, 0);
cr.RelCurveTo(-c1, 0, -radius_x, -c2, -radius_x, -radius_y);
cr.RelLineTo(0, -h + 2 * radius_y);
cr.RelCurveTo(0.0, -c2, radius_x - c1, -radius_y, radius_x, -radius_y);
cr.ClosePath();
}
void DrawExpander(Cairo.Context ctx, double ex, double ey, bool expanded, bool hilight)
{
ctx.NewPath();
ctx.LineWidth = 1;
ctx.Rectangle(ex, ey, ExpanderSize, ExpanderSize);
if (hilight)
{
ctx.SetSourceColor(Style.Background(Gtk.StateType.Normal).ToCairoColor());
}
else
{
ctx.SetSourceColor(Style.White.ToCairoColor());
}
ctx.FillPreserve();
ctx.SetSourceColor(Style.Foreground(Gtk.StateType.Normal).ToCairoColor());
ctx.Stroke();
ctx.NewPath();
ctx.MoveTo(ex + 2, ey + (ExpanderSize / 2));
ctx.RelLineTo(ExpanderSize - 4, 0);
if (!expanded)
{
ctx.MoveTo(ex + (ExpanderSize / 2), ey + 2);
ctx.RelLineTo(0, ExpanderSize - 4);
}
ctx.Stroke();
}
private void HeaderExpose(object ob, Gtk.ExposeEventArgs a)
{
Gdk.Rectangle rect = new Gdk.Rectangle(0, 0, header.Allocation.Width - 1, header.Allocation.Height);
HslColor gcol = frame.Style.Background(Gtk.StateType.Normal);
if (pointerHover)
{
gcol.L *= 1.05;
}
gcol.L = Math.Min(1, gcol.L);
using (Cairo.Context cr = Gdk.CairoHelper.Create(a.Event.Window)) {
cr.NewPath();
cr.MoveTo(0, 0);
cr.RelLineTo(rect.Width, 0);
cr.RelLineTo(0, rect.Height);
cr.RelLineTo(-rect.Width, 0);
cr.RelLineTo(0, -rect.Height);
cr.ClosePath();
Cairo.SolidPattern solidPattern = new Cairo.SolidPattern(gcol);
cr.Pattern = solidPattern;
cr.FillPreserve();
solidPattern.Destroy();
}
header.GdkWindow.DrawRectangle(frame.Style.DarkGC(Gtk.StateType.Normal), false, rect);
foreach (Widget child in header.Children)
{
header.PropagateExpose(child, a.Event);
}
}
public void DrawBar(Cairo.Context cr, PlotColor color, int x, int y, int width, int height, bool is_focused)
{
// Draw the fill
cr.Rectangle(x, y, width, height);
Cairo.Color fill = colors[(int)color];
fill.A = 0.6;
//cr.Color = fill;
cr.SetSourceRGBA(fill.R, fill.G, fill.B, fill.A);
cr.Fill();
// Stroke just the top, left and right sides
cr.MoveTo(x - DEFUZZ, y + height - DEFUZZ);
cr.RelLineTo(0, -height);
cr.RelLineTo(width, 0);
cr.RelLineTo(0, height);
// decrease saturation by 40%
//cr.Color = CairoHelper.Darken (colors[(int)color], 0.4f);
cr.SetSourceRGBA(CairoHelper.Darken(colors[(int)color], 0.4f).R, CairoHelper.Darken(colors[(int)color], 0.4f).G, CairoHelper.Darken(colors[(int)color], 0.4f).B, CairoHelper.Darken(colors[(int)color], 0.4f).A);
cr.LineWidth = 1.0f;
cr.Stroke();
if (is_focused)
{
DrawFocusRect(cr, x - FOCUS_BORDER, y - FOCUS_BORDER,
width + (FOCUS_BORDER * 2), height + FOCUS_BORDER);
}
}
static void DrawLineEndAtIter(Cairo.Context cntx, TextView view, TextIter iter)
{
Gdk.Rectangle rect = view.GetIterLocation(iter);
int x, y;
view.BufferToWindowCoords(TextWindowType.Text,
rect.X,
rect.Y + rect.Height / 2,
out x, out y);
cntx.Save();
cntx.Color = GetDrawingColorForIter(view, iter);
double arrowSize = 3;
cntx.MoveTo(x + 10, y);
cntx.RelLineTo(new Cairo.Distance(0, -arrowSize));
cntx.RelMoveTo(new Cairo.Distance(0, arrowSize));
cntx.RelLineTo(new Cairo.Distance(-8, 0));
cntx.RelLineTo(new Cairo.Distance(arrowSize, arrowSize));
cntx.RelMoveTo(new Cairo.Distance(-arrowSize, -arrowSize));
cntx.RelLineTo(new Cairo.Distance(arrowSize, -arrowSize));
cntx.Stroke();
cntx.Restore();
}
protected override bool OnExposeEvent(Gdk.EventExpose evnt)
{
Gdk.Rectangle rect;
if (GradientBackround)
{
rect = new Gdk.Rectangle(Allocation.X, Allocation.Y, Allocation.Width, Allocation.Height);
HslColor gcol = useCustomColor ? customColor : Parent.Style.Background(Gtk.StateType.Normal);
using (Cairo.Context cr = Gdk.CairoHelper.Create(GdkWindow))
{
cr.NewPath();
cr.MoveTo(rect.X, rect.Y);
cr.RelLineTo(rect.Width, 0);
cr.RelLineTo(0, rect.Height);
cr.RelLineTo(-rect.Width, 0);
cr.RelLineTo(0, -rect.Height);
cr.ClosePath();
Cairo.Gradient pat = new Cairo.LinearGradient(rect.X, rect.Y, rect.X, rect.Bottom);
Cairo.Color color1 = gcol;
pat.AddColorStop(0, color1);
gcol.L -= 0.1;
if (gcol.L < 0)
{
gcol.L = 0;
}
pat.AddColorStop(1, gcol);
cr.Pattern = pat;
cr.FillPreserve();
}
}
bool res = base.OnExposeEvent(evnt);
Gdk.GC borderColor = Parent.Style.DarkGC(Gtk.StateType.Normal);
rect = Allocation;
for (int n = 0; n < topMargin; n++)
{
GdkWindow.DrawLine(borderColor, rect.X, rect.Y + n, rect.Right - 1, rect.Y + n);
}
for (int n = 0; n < bottomMargin; n++)
{
GdkWindow.DrawLine(borderColor, rect.X, rect.Bottom - n - 1, rect.Right - 1, rect.Bottom - n - 1);
}
for (int n = 0; n < leftMargin; n++)
{
GdkWindow.DrawLine(borderColor, rect.X + n, rect.Y, rect.X + n, rect.Bottom - 1);
}
for (int n = 0; n < rightMargin; n++)
{
GdkWindow.DrawLine(borderColor, rect.Right - n - 1, rect.Y, rect.Right - n - 1, rect.Bottom - 1);
}
return(res);
}
private static void MakeSquare(Cairo.Context context, Point scale, Point item, double msize, double lw)
{
double size = msize - lw;
context.MoveTo(item.X * scale.X, item.Y * scale.Y);
context.RelMoveTo(-size / 2, -size / 2);
context.RelLineTo(size, 0);
context.RelLineTo(0, size);
context.RelLineTo(-size, 0);
context.ClosePath();
}
public static void RenderCross(Cairo.Context context, Point scale, Point item, double msize, double lw)
{
context.MoveTo(item.X * scale.X, item.Y * scale.Y);
context.RelMoveTo(-msize / 2, -msize / 2);
context.RelLineTo(msize, msize);
context.Stroke();
context.MoveTo(item.X * scale.X, item.Y * scale.Y);
context.RelMoveTo(msize / 2, -msize / 2);
context.RelLineTo(-msize, msize);
context.Stroke();
}
private static void DrawArrow(Cairo.Context graphics, double x, double y, double pos)
{
graphics.MoveTo(x, y);
graphics.Rotate(pos);
graphics.RelMoveTo(0, (pos + 0.5 * System.Math.PI < System.Math.PI ? -1 : 1) * s_arrowSize / 2);
graphics.RelLineTo(-s_arrowSize, 0);
graphics.RelLineTo(s_arrowSize, -s_arrowSize);
graphics.RelLineTo(s_arrowSize, s_arrowSize);
graphics.RelLineTo(-s_arrowSize, 0);
graphics.Fill();
}
void DrawTab(Gdk.EventExpose evnt, Tab tab, int pos)
{
Gdk.Rectangle rect = GetTabArea(tab, pos);
StateType st;
if (tab.Active)
{
st = StateType.Normal;
}
else
{
st = StateType.Active;
}
if (DockFrame.IsWindows)
{
GdkWindow.DrawRectangle(Style.DarkGC(Gtk.StateType.Normal), false, rect);
rect.X++;
rect.Width--;
if (tab.Active)
{
GdkWindow.DrawRectangle(Style.LightGC(Gtk.StateType.Normal), true, rect);
}
else
{
using (Cairo.Context cr = Gdk.CairoHelper.Create(evnt.Window))
{
cr.NewPath();
cr.MoveTo(rect.X, rect.Y);
cr.RelLineTo(rect.Width, 0);
cr.RelLineTo(0, rect.Height);
cr.RelLineTo(-rect.Width, 0);
cr.RelLineTo(0, -rect.Height);
cr.ClosePath();
Cairo.Gradient pat = new Cairo.LinearGradient(rect.X, rect.Y, rect.X, rect.Y + rect.Height);
Cairo.Color color1 = DockFrame.ToCairoColor(Style.Mid(Gtk.StateType.Normal));
pat.AddColorStop(0, color1);
color1.R *= 1.2;
color1.G *= 1.2;
color1.B *= 1.2;
pat.AddColorStop(1, color1);
cr.Pattern = pat;
cr.FillPreserve();
}
}
}
else
{
Gtk.Style.PaintExtension(Style, GdkWindow, st, ShadowType.Out, evnt.Area, this, "tab", rect.X, rect.Y, rect.Width, rect.Height, Gtk.PositionType.Top);
}
}
private static void MakeTriangle(Cairo.Context context, Point scale, Point item, double msize, double lw)
{
double halfsize = (msize - lw) / 2;
context.MoveTo(item.X * scale.X, item.Y * scale.Y);
context.RelMoveTo(0, halfsize);
double dx = halfsize * s_triangleDxDy.X;
double dy = halfsize * s_triangleDxDy.Y;
context.RelLineTo(dx, -halfsize - dy);
context.RelLineTo(2 * -dx, 0);
context.ClosePath();
}
public void DrawEventTag(Cairo.Context cr, PlotColor color,
int x, int y, Orientation orientation)
{
cr.MoveTo(x + DEFUZZ, y);
if (orientation == Orientation.Vertical)
{
cr.RelLineTo(-1 * EVENT_TAG_HALF_WIDTH, -1 * EVENT_TAG_SEGMENT_HEIGHT);
cr.RelLineTo(0, -2 * EVENT_TAG_SEGMENT_HEIGHT);
cr.RelLineTo(EVENT_TAG_HALF_WIDTH * 2, 0);
cr.RelLineTo(0, 2 * EVENT_TAG_SEGMENT_HEIGHT);
}
else
{
cr.RelLineTo(EVENT_TAG_SEGMENT_HEIGHT, -1 * EVENT_TAG_HALF_WIDTH);
cr.RelLineTo(EVENT_TAG_SEGMENT_HEIGHT * 2, 0);
cr.RelLineTo(0, EVENT_TAG_HALF_WIDTH * 2);
cr.RelLineTo(-2 * EVENT_TAG_SEGMENT_HEIGHT, 0);
}
cr.ClosePath();
//cr.Color = CairoHelper.GetCairoColor (gtk_style.Base (state));
cr.SetSourceRGBA(CairoHelper.GetCairoColor(gtk_style.Base(state)).R, CairoHelper.GetCairoColor(gtk_style.Base(state)).G, CairoHelper.GetCairoColor(gtk_style.Base(state)).B, CairoHelper.GetCairoColor(gtk_style.Base(state)).A);
cr.FillPreserve();
cr.LineWidth = 1.0f;
//cr.Color = colors[(int)color];
cr.SetSourceRGBA(colors[(int)color].R, colors[(int)color].G, colors[(int)color].B, colors[(int)color].A);
cr.Stroke();
}
void DrawGradient(Cairo.Context cr, Gdk.Rectangle rect, int fx, int fy, int fw, int fh, Cairo.Color c1, Cairo.Color c2)
{
cr.NewPath();
cr.MoveTo(rect.X, rect.Y);
cr.RelLineTo(rect.Width, 0);
cr.RelLineTo(0, rect.Height);
cr.RelLineTo(-rect.Width, 0);
cr.RelLineTo(0, -rect.Height);
cr.ClosePath();
Cairo.LinearGradient pat = new Cairo.LinearGradient(rect.X + rect.Width * fx, rect.Y + rect.Height * fy, rect.X + rect.Width * fw, rect.Y + rect.Height * fh);
pat.AddColorStop(0, c1);
pat.AddColorStop(1, c2);
cr.Pattern = pat;
cr.FillPreserve();
}
public new void Draw(Cairo.Context cr)
{
Gdk.Rectangle rect;
if (GradientBackround)
{
rect = new Gdk.Rectangle(Allocation.X, Allocation.Y, Allocation.Width, Allocation.Height);
HslColor gcol = useCustomColor ? customColor : Parent.Style.Background(Gtk.StateType.Normal);
cr.NewPath();
cr.MoveTo(rect.X, rect.Y);
cr.RelLineTo(rect.Width, 0);
cr.RelLineTo(0, rect.Height);
cr.RelLineTo(-rect.Width, 0);
cr.RelLineTo(0, -rect.Height);
cr.ClosePath();
using (Cairo.Gradient pat = new Cairo.LinearGradient(rect.X, rect.Y, rect.X, rect.Y + rect.Height - 1)) {
Cairo.Color color1 = gcol;
pat.AddColorStop(0, color1);
gcol.L -= 0.1;
if (gcol.L < 0)
{
gcol.L = 0;
}
pat.AddColorStop(1, gcol);
cr.Pattern = pat;
cr.FillPreserve();
}
}
base.Draw(cr);
//FIXME: Get this drawing properly again!
// Gdk.Color colour = Parent.Style.Dark (Gtk.StateType.Normal);
// cr.SetSourceRGB (colour.Red, colour.Green, colour.Blue);
//
// rect = Allocation;
// for (int n=0; n<topMargin; n++)
// GdkWindow.DrawLine (borderColor, rect.X, rect.Y + n, rect.Left + rect.Width - 1, rect.Y + n);
//
// for (int n=0; n<bottomMargin; n++)
// GdkWindow.DrawLine (borderColor, rect.X, rect.Top + rect.Height - 1 - n, rect.Left + rect.Width - 1, rect.Top + rect.Height - 1 - n);
//
// for (int n=0; n<leftMargin; n++)
// GdkWindow.DrawLine (borderColor, rect.X + n, rect.Y, rect.X + n, rect.Top + rect.Height - 1);
//
// for (int n=0; n<rightMargin; n++)
// GdkWindow.DrawLine (borderColor, rect.Left + rect.Width - 1 - n, rect.Y, rect.Left + rect.Width - 1 - n, rect.Top + rect.Height - 1);
}
public static void RenderDash(Cairo.Context context, Point scale, Point item, double msize, double lw)
{
context.MoveTo(item.X * scale.X - msize / 2, item.Y * scale.Y);
context.RelLineTo(msize, 0);
context.Stroke();
}
private void RenderErrorBars(Cairo.Context context, Point scale, List <double> errors, int direction)
{
if (errors == null || errors.Count != Count)
{
return;
}
context.Save();
for (int i = 0; i < Count; ++i)
{
Point pt = this[i];
context.MoveTo(pt.X * scale.X, pt.Y * scale.Y);
context.RelLineTo(0, errors[i] * scale.Y * direction);
}
if (d_errorColor != null)
{
d_errorColor.Set(context);
}
else if (Color != null)
{
Color.Set(context);
}
context.Stroke();
context.Restore();
}
public virtual bool SetBorderPath(Cairo.Context context, Gdk.Rectangle region, PopupPosition arrowPosition)
{
double r = CornerRadius;
if (ShowArrow)
{
double apos = ArrowOffset;
double x = region.X + 0.5, y = region.Y + 0.5, w = region.Width - 1, h = region.Height - 1;
context.MoveTo(x + r, y);
if ((arrowPosition & PopupPosition.Top) != 0)
{
context.LineTo(x + apos - ArrowWidth / 2, y);
context.RelLineTo(ArrowWidth / 2, -ArrowLength);
context.RelLineTo(ArrowWidth / 2, ArrowLength);
}
context.Arc(x + w - r, y + r, r, Math.PI * 1.5, Math.PI * 2);
if ((arrowPosition & PopupPosition.Right) != 0)
{
context.LineTo(x + w, y + apos - ArrowWidth / 2);
context.RelLineTo(ArrowLength, ArrowWidth / 2);
context.RelLineTo(-ArrowLength, ArrowWidth / 2);
}
context.Arc(x + w - r, y + h - r, r, 0, Math.PI * 0.5);
if ((arrowPosition & PopupPosition.Bottom) != 0)
{
context.LineTo(x + apos + ArrowWidth / 2, y + h);
context.RelLineTo(-ArrowWidth / 2, ArrowLength);
context.RelLineTo(-ArrowWidth / 2, -ArrowLength);
}
context.Arc(x + r, y + h - r, r, Math.PI * 0.5, Math.PI);
if ((arrowPosition & PopupPosition.Left) != 0)
{
context.LineTo(x, y + apos + ArrowWidth / 2);
context.RelLineTo(-ArrowLength, -ArrowWidth / 2);
context.RelLineTo(ArrowLength, -ArrowWidth / 2);
}
context.Arc(x + r, y + r, r, Math.PI, Math.PI * 1.5);
}
else
{
CairoExtensions.RoundedRectangle(context, region.X + 0.5, region.Y + 0.5, region.Width - 1, region.Height - 1, r);
}
var args = new {
Region = region,
ArrowPostion = arrowPosition,
ArrowWidth = this.ArrowWidth,
ArrowLength = this.arrowLength,
ArrowOffset = this.ArrowOffset,
};
bool result = setBorderPathLastArgs == null ? true : setBorderPathLastArgs.Equals(args);
setBorderPathLastArgs = args;
return(result);
}
public void DrawAxisBoundingBox(Cairo.Context cr, int x, int y,
int width, int height, AxisLocation loc)
{
cr.MoveTo(x, y);
if (loc == AxisLocation.Bottom)
{
cr.RelMoveTo(width, 0);
}
else
{
cr.RelLineTo(width, 0);
}
if (loc == AxisLocation.Left)
{
cr.RelMoveTo(0, height);
}
else
{
cr.RelLineTo(0, height);
}
if (loc == AxisLocation.Top)
{
cr.RelMoveTo(-width, 0);
}
else
{
cr.RelLineTo(-width, 0);
}
if (loc == AxisLocation.Right)
{
cr.RelMoveTo(0, -height);
}
else
{
cr.RelLineTo(0, -height);
}
//cr.Color = CairoHelper.GetCairoColor (gtk_style.Foreground (state));
cr.SetSourceRGBA(CairoHelper.GetCairoColor(gtk_style.Foreground(state)).R, CairoHelper.GetCairoColor(gtk_style.Foreground(state)).G, CairoHelper.GetCairoColor(gtk_style.Foreground(state)).B, CairoHelper.GetCairoColor(gtk_style.Foreground(state)).A);
cr.LineWidth = 2.0f;
cr.Stroke();
}
void DrawGradient(Cairo.Context cr, Gdk.Rectangle rect, int fx, int fy, int fw, int fh, Cairo.Color c1, Cairo.Color c2)
{
cr.NewPath();
cr.MoveTo(rect.X, rect.Y);
cr.RelLineTo(rect.Width, 0);
cr.RelLineTo(0, rect.Height);
cr.RelLineTo(-rect.Width, 0);
cr.RelLineTo(0, -rect.Height);
cr.ClosePath();
// FIXME: VV: Remove gradient features
using (var pat = new Cairo.LinearGradient(rect.X + rect.Width * fx, rect.Y + rect.Height * fy, rect.X + rect.Width * fw, rect.Y + rect.Height * fh)) {
pat.AddColorStop(0, c1);
pat.AddColorStop(1, c2);
cr.Source = pat;
cr.FillPreserve();
}
}
protected override bool OnExposeEvent(Gdk.EventExpose evnt)
{
using (Cairo.Context cr = Gdk.CairoHelper.Create(GdkWindow)) {
Gdk.Rectangle rect = Allocation;
if (BackgroundColor.HasValue)
{
cr.Rectangle(rect.X, rect.Y, rect.Width, rect.Height);
cr.SetSourceColor(BackgroundColor.Value.ToCairoColor());
cr.Fill();
}
if (GradientBackround)
{
Color gcol = Util.ToXwtColor(Style.Background(Gtk.StateType.Normal));
cr.NewPath();
cr.MoveTo(rect.X, rect.Y);
cr.RelLineTo(rect.Width, 0);
cr.RelLineTo(0, rect.Height);
cr.RelLineTo(-rect.Width, 0);
cr.RelLineTo(0, -rect.Height);
cr.ClosePath();
using (var pat = new Cairo.LinearGradient(rect.X, rect.Y, rect.X, rect.Bottom)) {
Cairo.Color color1 = gcol.ToCairoColor();
pat.AddColorStop(0, color1);
gcol.Light -= 0.1;
pat.AddColorStop(1, gcol.ToCairoColor());
cr.SetSource(pat);
cr.FillPreserve();
}
}
cr.SetSourceColor(color.HasValue ? color.Value.ToCairoColor() : Style.Dark(Gtk.StateType.Normal).ToXwtColor().ToCairoColor());
cr.Rectangle(rect.X, rect.Y, rect.Width, topMargin);
cr.Rectangle(rect.X, rect.Y + rect.Height - bottomMargin, rect.Width, bottomMargin);
cr.Rectangle(rect.X, rect.Y, leftMargin, rect.Height);
cr.Rectangle(rect.X + rect.Width - rightMargin, rect.Y, rightMargin, rect.Height);
cr.Fill();
}
bool res = base.OnExposeEvent(evnt);
return(res);
}
protected void DrawArrow(Cairo.Context cr, double x, double y, double size)
{
y += 2.5;
x += 2.5;
size -= 4;
double awidth = 0.5;
double aheight = 0.4;
double pich = (size - (size * aheight)) / 2;
cr.NewPath();
cr.MoveTo(x + size * awidth, y);
cr.LineTo(x + size, y + size / 2);
cr.LineTo(x + size * awidth, y + size);
cr.RelLineTo(0, -pich);
cr.RelLineTo(-size * awidth, 0);
cr.RelLineTo(0, -size * aheight);
cr.RelLineTo(size * awidth, 0);
cr.RelLineTo(0, -pich);
cr.ClosePath();
}
void DrawErrorMarkers(TextEditor editor, Cairo.Context g, TextViewMargin.LayoutWrapper layout2, double x, double y)
{
uint curIndex = 0, byteIndex = 0;
foreach (var task in errors.Select(t => t.Task))
{
int index = (int)layout2.TranslateToUTF8Index((uint)(task.Column - 1), ref curIndex, ref byteIndex);
var pos = layout2.Layout.IndexToPos(index);
g.Color = MarkerColor.Color;
g.MoveTo(
x + editor.TextViewMargin.TextStartPosition + pos.X / Pango.Scale.PangoScale,
y + editor.LineHeight - 4
);
g.RelLineTo(3, 3);
g.RelLineTo(-6, 0);
g.ClosePath();
g.Fill();
}
}
public void DrawSelectedBar(Cairo.Context cr, PlotColor color, int x, int y, int width, int height)
{
// Draw the fill
cr.Rectangle(x, y, width, height);
cr.SetSourceRGBA(CairoHelper.GetCairoColor(gtk_style.Base(state)).R, CairoHelper.GetCairoColor(gtk_style.Base(state)).G, CairoHelper.GetCairoColor(gtk_style.Base(state)).B, CairoHelper.GetCairoColor(gtk_style.Base(state)).A);
//cr.Color = CairoHelper.GetCairoColor (gtk_style.Base (state));
cr.Fill();
// Stroke just the top, left and right sides
cr.MoveTo(x, y + height);
cr.RelLineTo(0, -height);
cr.RelLineTo(width, 0);
cr.RelLineTo(0, height);
// darken by 40%
//cr.Color = CairoHelper.Darken (colors[(int)color], 0.4f);
cr.SetSourceRGBA(CairoHelper.Darken(colors[(int)color], 0.4f).R, CairoHelper.Darken(colors[(int)color], 0.4f).G, CairoHelper.Darken(colors[(int)color], 0.4f).B, CairoHelper.Darken(colors[(int)color], 0.4f).A);
cr.LineWidth = 2.0f;
cr.Stroke();
}
protected override void OnDrawn(Cairo.Context cr, Gdk.Rectangle rect)
{
if (BackgroundColor.HasValue)
{
cr.Rectangle(rect.X, rect.Y, rect.Width, rect.Height);
cr.SetSourceColor(BackgroundColor.Value.ToCairoColor());
cr.Fill();
}
if (GradientBackround)
{
Color gcol = Style.Background(Gtk.StateType.Normal).ToXwtValue();
cr.NewPath();
cr.MoveTo(rect.X, rect.Y);
cr.RelLineTo(rect.Width, 0);
cr.RelLineTo(0, rect.Height);
cr.RelLineTo(-rect.Width, 0);
cr.RelLineTo(0, -rect.Height);
cr.ClosePath();
using (var pat = new Cairo.LinearGradient(rect.X, rect.Y, rect.X, rect.Bottom)) {
Cairo.Color color1 = gcol.ToCairoColor();
pat.AddColorStop(0, color1);
gcol.Light -= 0.1;
pat.AddColorStop(1, gcol.ToCairoColor());
cr.SetSource(pat);
cr.FillPreserve();
}
}
cr.SetSourceColor(color.HasValue ? color.Value.ToCairoColor() : Style.Dark(Gtk.StateType.Normal).ToXwtValue().ToCairoColor());
cr.Rectangle(rect.X, rect.Y, rect.Width, topMargin);
cr.Rectangle(rect.X, rect.Y + rect.Height - bottomMargin, rect.Width, bottomMargin);
cr.Rectangle(rect.X, rect.Y, leftMargin, rect.Height);
cr.Rectangle(rect.X + rect.Width - rightMargin, rect.Y, rightMargin, rect.Height);
cr.Fill();
}
protected virtual void DrawHoverBackground(Cairo.Context ctx)
{
if (BorderPadding <= 0)
{
ctx.Rectangle(Allocation.X, Allocation.Y, Allocation.Width, Allocation.Height);
ctx.SetSourceColor(CairoExtensions.ParseColor(HoverBackgroundColor));
ctx.Fill();
ctx.MoveTo(Allocation.X, Allocation.Y + 0.5);
ctx.RelLineTo(Allocation.Width, 0);
ctx.MoveTo(Allocation.X, Allocation.Y + Allocation.Height - 0.5);
ctx.RelLineTo(Allocation.Width, 0);
if (DrawRightBorder)
{
ctx.MoveTo(Allocation.Right + 0.5, Allocation.Y + 0.5);
ctx.LineTo(Allocation.Right + 0.5, Allocation.Bottom - 0.5);
}
if (DrawLeftBorder)
{
ctx.MoveTo(Allocation.Left + 0.5, Allocation.Y + 0.5);
ctx.LineTo(Allocation.Left + 0.5, Allocation.Bottom - 0.5);
}
ctx.LineWidth = 1;
ctx.SetSourceColor(CairoExtensions.ParseColor(HoverBorderColor));
ctx.Stroke();
}
else
{
Gdk.Rectangle region = Allocation;
region.Inflate(-BorderPadding, -BorderPadding);
ctx.RoundedRectangle(region.X + 0.5, region.Y + 0.5, region.Width - 1, region.Height - 1, 3);
ctx.SetSourceColor(CairoExtensions.ParseColor(HoverBackgroundColor));
ctx.FillPreserve();
ctx.LineWidth = 1;
ctx.SetSourceColor(CairoExtensions.ParseColor(HoverBorderColor));
ctx.Stroke();
}
}
void DrawErrorMarkers(TextEditor editor, Cairo.Context g, LineMetrics metrics, double y)
{
uint curIndex = 0, byteIndex = 0;
var o = metrics.LineSegment.Offset;
foreach (var task in errors.Select(t => t.Task))
{
var column = (uint)(Math.Min(Math.Max(0, task.Column - 1), metrics.Layout.LineChars.Length));
int index = (int)metrics.Layout.TranslateToUTF8Index(column, ref curIndex, ref byteIndex);
var pos = metrics.Layout.Layout.IndexToPos(index);
var co = o + task.Column - 1;
g.SetSourceColor(GetMarkerColor(false, metrics.SelectionStart <= co && co < metrics.SelectionEnd));
g.MoveTo(
metrics.TextRenderStartPosition + editor.TextViewMargin.TextStartPosition + pos.X / Pango.Scale.PangoScale,
y + editor.LineHeight - 3
);
g.RelLineTo(3, 3);
g.RelLineTo(-6, 0);
g.ClosePath();
g.Fill();
}
}
private void DrawIcon(Cairo.Context graphics)
{
Allocation alloc = d_object != null ? d_object.Allocation : new Allocation(0, 0, 1, 1);
graphics.SetSourceRGB(0.3, 0.3, 0.3);
double uw = graphics.LineWidth;
graphics.LineWidth = uw * 2;
double ar = uw * 5;
double dh = (alloc.Height + uw) / 2;
graphics.MoveTo(alloc.Width, dh);
graphics.LineTo(uw * 2 + ar, dh);
graphics.Stroke();
graphics.MoveTo(uw * 2, dh);
graphics.RelLineTo(ar, -ar / 2);
graphics.RelLineTo(0, ar);
graphics.ClosePath();
graphics.FillPreserve();
graphics.Stroke();
}
public override void RelLineTo(object backend, double dx, double dy)
{
Cairo.Context ctx = ((CairoContextBackend)backend).Context;
ctx.RelLineTo(dx, dy);
}
