public void clearAndClip(Context ctx)
{
if (list.Count == 0)
return;
foreach (Rectangle r in list)
ctx.Rectangle(r);
ctx.ClipPreserve();
ctx.Operator = Operator.Clear;
ctx.Fill();
ctx.Operator = Operator.Over;
}
protected virtual void DrawBackground(Cairo.Context context, Gdk.Rectangle region)
{
LayoutRoundedRectangle(context, region);
context.ClipPreserve();
using (LinearGradient lg = new LinearGradient(region.X, region.Y, region.X, region.Y + region.Height)) {
lg.AddColorStop(0, Styles.StatusBarFill1Color);
lg.AddColorStop(1, Styles.StatusBarFill4Color);
context.SetSource(lg);
context.FillPreserve();
}
context.Save();
double midX = region.X + region.Width / 2.0;
double midY = region.Y + region.Height;
context.Translate(midX, midY);
using (RadialGradient rg = new RadialGradient(0, 0, 0, 0, 0, region.Height * 1.2)) {
rg.AddColorStop(0, Styles.StatusBarFill1Color);
rg.AddColorStop(1, Styles.WithAlpha(Styles.StatusBarFill1Color, 0));
context.Scale(region.Width / (double)region.Height, 1.0);
context.SetSource(rg);
context.Fill();
}
context.Restore();
using (LinearGradient lg = new LinearGradient(0, region.Y, 0, region.Y + region.Height)) {
lg.AddColorStop(0, Styles.StatusBarShadowColor1);
lg.AddColorStop(1, Styles.WithAlpha(Styles.StatusBarShadowColor1, Styles.StatusBarShadowColor1.A * 0.2));
LayoutRoundedRectangle(context, region, 0, -1);
context.LineWidth = 1;
context.SetSource(lg);
context.Stroke();
}
using (LinearGradient lg = new LinearGradient(0, region.Y, 0, region.Y + region.Height)) {
lg.AddColorStop(0, Styles.StatusBarShadowColor2);
lg.AddColorStop(1, Styles.WithAlpha(Styles.StatusBarShadowColor2, Styles.StatusBarShadowColor2.A * 0.2));
LayoutRoundedRectangle(context, region, 0, -2);
context.LineWidth = 1;
context.SetSource(lg);
context.Stroke();
}
context.ResetClip();
}
protected override void onDraw(Cairo.Context gr)
{
if (datas == null)
{
return;
}
lock (mutex) {
gr.SelectFontFace(Font.Name, Font.Slant, Font.Wheight);
gr.SetFontSize(Font.Size);
Crow.Rectangle scrBar = ClientRectangle;
if (datas?.Count > visibleLines)
{
scrBar.X += ClientRectangle.Width - scrBarWidth;
scrBar.Width = scrBarWidth;
}
Crow.Rectangle r = ClientRectangle;
r.Width -= scrBarWidth;
int diffScroll = lastScroll - scroll;
int diffVisible = visibleLines - lastVisibleLines;
int limInf = 0;
int limSup = diffScroll + diffVisible;
if (diffScroll < 0)
{
limInf = lastVisibleLines + diffScroll;
limSup = visibleLines;
}
gr.Save();
gr.ResetClip();
gr.Rectangle(r.X, r.Y + limInf * fe.Height, r.Width, (limSup - limInf) * fe.Height);
if (lastHoverIndex != HoverIndex)
{
if (lastHoverIndex >= 0)
{
gr.Rectangle(r.X, r.Y + (lastHoverIndex - Scroll) * fe.Height, r.Width, fe.Height);
}
if (HoverIndex >= 0)
{
gr.Rectangle(r.X, r.Y + (HoverIndex - Scroll) * fe.Height, r.Width, fe.Height);
}
}
if (lastSelectedIndex != SelectedIndex)
{
if (lastSelectedIndex >= 0)
{
gr.Rectangle(r.X, r.Y + (lastSelectedIndex - Scroll) * fe.Height, r.Width, fe.Height);
}
if (selectedIndex >= 0)
{
gr.Rectangle(r.X, r.Y + (SelectedIndex - Scroll) * fe.Height, r.Width, fe.Height);
}
}
if (datas?.Count > visibleLines && diffScroll != 0)
{
gr.Rectangle(scrBar);
}
gr.ClipPreserve();
gr.Operator = Operator.Clear;
gr.Fill();
gr.Operator = Operator.Over;
base.onDraw(gr);
Foreground.SetAsSource(gr);
int i = limInf;
while (i < limSup)
{
if (i + Scroll >= Datas.Count)
{
break;
}
drawDataLine(gr, i + Scroll, r.X, r.Y + i * fe.Height, (double)r.Width, fe.Height);
i++;
}
int redrawnLines = limSup - limInf;
System.Diagnostics.Debug.WriteLine("draw {0} lines from {1} to {2}", redrawnLines, limInf, limSup - 1);
if (lastHoverIndex != HoverIndex)
{
if (lastHoverIndex >= 0 && (redrawnLines == 0 || (lastHoverIndex < limInf + Scroll || lastHoverIndex >= limSup + Scroll)))
{
drawDataLine(gr, lastHoverIndex, r.X, r.Y + (lastHoverIndex - Scroll) * fe.Height, (double)r.Width, fe.Height);
}
if (HoverIndex >= 0 && (redrawnLines == 0 || (HoverIndex < limInf + Scroll || HoverIndex >= limSup + Scroll)))
{
drawDataLine(gr, HoverIndex, r.X, r.Y + (HoverIndex - Scroll) * fe.Height, (double)r.Width, fe.Height);
}
}
if (lastSelectedIndex != SelectedIndex)
{
if (lastSelectedIndex >= 0 && (redrawnLines == 0 || (lastSelectedIndex < limInf + Scroll || lastSelectedIndex >= limSup + Scroll)))
{
drawDataLine(gr, lastSelectedIndex, r.X, r.Y + (lastSelectedIndex - Scroll) * fe.Height, (double)r.Width, fe.Height);
}
if (SelectedIndex >= 0 && (redrawnLines == 0 || (SelectedIndex < limInf + Scroll || SelectedIndex >= limSup + Scroll)))
{
drawDataLine(gr, SelectedIndex, r.X, r.Y + (SelectedIndex - Scroll) * fe.Height, (double)r.Width, fe.Height);
}
}
double x = ClientRectangle.X;
gr.LineWidth = 1;
for (i = 0; i < cols.Length; i++)
{
x += (double)r.Width * cols [i];
gr.MoveTo(Math.Floor(x) + 0.5, 0);
gr.LineTo(Math.Floor(x) + 0.5, r.Height);
}
gr.Stroke();
lastScroll = Scroll;
lastHoverIndex = HoverIndex;
lastSelectedIndex = SelectedIndex;
lastVisibleLines = visibleLines;
if (Datas?.Count <= visibleLines)
{
gr.Restore();
return;
}
if (mouseScrolling)
{
new SolidColor(Crow.Color.Jet.AdjustAlpha(0.5)).SetAsSource(gr);
}
else
{
new SolidColor(Crow.Color.LightGray.AdjustAlpha(0.5)).SetAsSource(gr);
}
CairoHelpers.CairoRectangle(gr, scrBar, 0.0);
gr.Fill();
new SolidColor(Crow.Color.BlueCrayola.AdjustAlpha(0.7)).SetAsSource(gr);
scrBar.Y += (int)((double)scrBar.Height * (double)Scroll / (double)Datas.Count);
scrBar.Height = (int)((double)scrBar.Height * (double)visibleLines / (double)Datas.Count);
CairoHelpers.CairoRectangle(gr, scrBar, 2.0);
gr.Fill();
gr.Restore();
}
}
/// <summary>Draws a ribbon.</summary>
public void DrawRibbon(Context cr, Gdk.Rectangle menuBarAllocation, Gdk.Rectangle bodyAllocation, double roundSize, double lineWidth, Ribbon widget)
{
double lineWidth05 = lineWidth / 2;
double lineWidth15 = 3 * lineWidth05;
double x0, x1, y0, y1;
LinearGradient linGrad;
if(menuBarAllocation.Height > 0)
{
cr.Rectangle (menuBarAllocation.X, menuBarAllocation.Y, menuBarAllocation.Width, menuBarAllocation.Height - 1);
linGrad = new LinearGradient (0, menuBarAllocation.Y, 0, menuBarAllocation.Y + menuBarAllocation.Height - 1);
linGrad.AddColorStop (0.0, new Color (1, 1, 1, 0.5));
linGrad.AddColorStop (0.3, new Color (1, 1, 1, 0.2));
linGrad.AddColorStop (0.3, new Color (1, 1, 1, 0.0));
linGrad.AddColorStop (1.0, new Color (1, 1, 1, 0.5));
cr.Pattern = linGrad;
cr.Fill ();
linGrad.Destroy ();
cr.MoveTo (menuBarAllocation.X, menuBarAllocation.Bottom + 0.5);
cr.LineTo (menuBarAllocation.Right, menuBarAllocation.Bottom + 0.5);
cr.Color = new Color (1, 1, 1, 0.5);
cr.LineWidth = 1;
cr.Stroke ();
// Quick Access Toolbar background
Gdk.Rectangle alloc = widget.QuickAccessToolbar.Allocation;
x0 = alloc.X;
x1 = alloc.Right - 1;
y0 = alloc.Y;
y1 = alloc.Bottom - 1;
double radius = (y1 - y0) / 2;
cr.LineWidth = 1;
if(widget.ApplicationButton != null)
{
Gdk.Rectangle alloc2 = widget.ApplicationButton.Allocation;
double cx = alloc2.X + alloc2.Width / 2;
double cy = alloc2.Y + alloc2.Height / 2;
double radius2 = x0 - cx;
double alpha = Math.Asin ((y0 - cy) / radius2);
double beta = Math.Asin ((y1 - cy) / radius2);
double curveWidth0 = Math.Cos (Math.Abs (alpha)) * radius2;
double curveWidth1 = Math.Cos (Math.Abs (beta)) * radius2;
double curveWidth = Math.Min (curveWidth0, curveWidth1);
cr.Save ();
cr.Rectangle (cx + curveWidth, y0, x1 - cx - curveWidth, alloc.Height);
cr.ClipPreserve ();
cr.ArcNegative (cx, cy, radius2, -alpha, -beta);
linGrad = new LinearGradient (0, y0, 0, y1);
linGrad.AddColorStop (0.0, colorScheme.Bright);
linGrad.AddColorStop (1.0, colorScheme.PrettyDark);
cr.Pattern = linGrad;
//cr.Color = new Color (1, 0, 0);
cr.Fill ();
cr.Restore ();
cr.Arc (x1, y0 + radius, radius - 0.5, 1.5 * Math.PI, 0.5 * Math.PI);
cr.Pattern = linGrad;
cr.Fill ();
linGrad.Destroy ();
cr.Arc (cx, cy, radius2, alpha, beta);
cr.Color = new Color (0, 0, 0, 0.6);
cr.Stroke ();
radius2 -= 1;
cr.Arc (cx, cy, radius2, alpha, beta);
cr.Color = new Color (1, 1, 1, 0.4);
cr.Stroke ();
cr.MoveTo (cx + curveWidth0, y0 - 0.5);
cr.LineTo (x1, y0 - 0.5);
cr.Color = new Color (1, 1, 1, 0.4);
cr.Stroke ();
cr.MoveTo (cx + curveWidth0, y0 + 0.5);
cr.LineTo (x1, y0 + 0.5);
cr.Color = new Color (0, 0, 0, 0.6);
cr.Stroke ();
cr.MoveTo (cx + curveWidth1, y1 - 0.5);
cr.LineTo (x1, y1 - 0.5);
cr.Color = new Color (0, 0, 0, 0.6);
cr.Stroke ();
cr.MoveTo (cx + curveWidth1, y1 + 0.5);
cr.LineTo (x1, y1 + 0.5);
cr.Color = new Color (1, 1, 1, 0.4);
cr.Stroke ();
}
else
{
cr.Rectangle (x0, y0, x1 - x0, alloc.Height);
linGrad = new LinearGradient (0, y0, 0, y1);
linGrad.AddColorStop (0.0, colorScheme.Bright);
linGrad.AddColorStop (1.0, colorScheme.PrettyDark);
cr.Pattern = linGrad;
cr.Fill ();
cr.Arc (x1, y0 + radius, radius - 0.5, 1.5 * Math.PI, 0.5 * Math.PI);
cr.Pattern = linGrad;
cr.Fill ();
linGrad.Destroy ();
cr.MoveTo (x0 + 0.5, y0);
cr.LineTo (x0 + 0.5, y1);
cr.Color = new Color (1, 1, 1, 0.4);
cr.Stroke ();
cr.MoveTo (x0 + 1.5, y0);
cr.LineTo (x0 + 1.5, y1);
cr.Color = new Color (0, 0, 0, 0.6);
cr.Stroke ();
}
cr.Arc (x1, y0 + radius, radius + 0.5, 1.5 * Math.PI, 0.5 * Math.PI);
cr.Color = new Color (1, 1, 1, 0.4);
cr.Stroke ();
cr.Arc (x1, y0 + radius, radius - 0.5, 1.5 * Math.PI, 0.5 * Math.PI);
cr.Color = new Color (0, 0, 0, 0.6);
cr.Stroke ();
}
Ribbon.RibbonPage p = widget.CurrentPage;
if(p != null)
{
//Color c = ColorScheme.GetColor(colorScheme.Bright, 0.92);
Color c = colorScheme.Normal;
if(bodyAllocation.Height > 0)
{
/*** PAGE ***/
x0 = bodyAllocation.X; x1 = bodyAllocation.X + bodyAllocation.Width;
y0 = bodyAllocation.Y; y1 = bodyAllocation.Y + bodyAllocation.Height;
cr.Arc (x0 + roundSize, y1 - roundSize, roundSize - lineWidth05, Math.PI/2, Math.PI);
cr.Arc (x0 + roundSize, y0 + roundSize, roundSize - lineWidth05, Math.PI, 3*Math.PI/2);
cr.Arc (x1 - roundSize, y0 + roundSize, roundSize - lineWidth05, 3*Math.PI/2, 0);
cr.Arc (x1 - roundSize, y1 - roundSize, roundSize - lineWidth05, 0, Math.PI/2);
cr.LineTo (x0 + roundSize, y1 - lineWidth05);
/*** BACKGOUND ***/
cr.Color = c;
cr.FillPreserve ();
/*** DARK BORDER ***/
cr.LineWidth = lineWidth;
cr.Color = ColorScheme.GetColorAbsolute (colorScheme.Normal, 0.75);
cr.Stroke ();
/*** GLASS EFFECT ***/
double ymid = Math.Round (y0 + (y1 - y0) * 0.25);
cr.Arc (x0 + roundSize, y0 + roundSize, roundSize - lineWidth, Math.PI, 3*Math.PI/2);
cr.Arc (x1 - roundSize, y0 + roundSize, roundSize - lineWidth, 3*Math.PI/2, 0);
cr.LineTo (x1 - lineWidth, ymid);
cr.LineTo (x0 + lineWidth, ymid);
cr.LineTo (x0 + lineWidth, y0 + roundSize);
linGrad = new LinearGradient (0, y0, 0, ymid);
linGrad.AddColorStop (0.0, new Color (0, 0, 0, 0.0));
linGrad.AddColorStop (1.0, new Color (0, 0, 0, 0.075));
cr.Pattern = linGrad;
cr.Fill ();
linGrad.Destroy ();
cr.Arc (x0 + roundSize, y1 - roundSize, roundSize - lineWidth, Math.PI/2, Math.PI);
cr.LineTo (x0 + lineWidth, ymid);
cr.LineTo (x1 - lineWidth, ymid);
cr.Arc (x1 - roundSize, y1 - roundSize, roundSize - lineWidth, 0, Math.PI/2);
cr.LineTo (x0 + roundSize, y1 - lineWidth);
linGrad = new LinearGradient (0, ymid, 0, y1);
linGrad.AddColorStop (0.0, new Color (0, 0, 0, 0.1));
linGrad.AddColorStop (0.5, new Color (0, 0, 0, 0.0));
cr.Pattern = linGrad;
cr.Fill ();
linGrad.Destroy ();
}
/*** TAB ***/
Gdk.Rectangle r = p.LabelAllocation;
x0 = r.X; x1 = r.X + r.Width;
y0 = r.Y; y1 = r.Y + r.Height + lineWidth;
/*** TAB :: BACKGROUND ***/
cr.MoveTo (x0 + lineWidth05, y1);
cr.LineTo (x0 + lineWidth05, y0 + roundSize);
cr.Arc (x0 + roundSize, y0 + roundSize, roundSize - lineWidth05, Math.PI, 3*Math.PI/2);
cr.Arc (x1 - roundSize, y0 + roundSize, roundSize - lineWidth05, 3*Math.PI/2, 0);
cr.LineTo (x1 - lineWidth05, y1);
linGrad = new LinearGradient (0, y0, 0, y1);
linGrad.AddColorStop (0.0, colorScheme.PrettyBright);
linGrad.AddColorStop (1.0, c);
cr.Pattern = linGrad;
cr.Fill ();
linGrad.Destroy ();
/*** TAB :: DARK BORDER ***/
cr.MoveTo (x0 + lineWidth05, y1);
cr.LineTo (x0 + lineWidth05, y0 + roundSize);
cr.Arc (x0 + roundSize, y0 + roundSize, roundSize - lineWidth05, Math.PI, 3*Math.PI/2);
cr.Arc (x1 - roundSize, y0 + roundSize, roundSize - lineWidth05, 3*Math.PI/2, 0);
cr.LineTo (x1 - lineWidth05, y1);
cr.LineWidth = lineWidth;
cr.Color = ColorScheme.GetColorRelative (colorScheme.Bright, -0.1);
cr.Stroke ();
y1 -= 1.0;
/*** TAB :: HIGHLIGHT ***/
cr.MoveTo (x0 + lineWidth15, y1);
cr.LineTo (x0 + lineWidth15, y0 + roundSize);
cr.Arc (x0 + roundSize, y0 + roundSize, roundSize - lineWidth15, Math.PI, 3*Math.PI/2);
cr.Arc (x1 - roundSize, y0 + roundSize, roundSize - lineWidth15, 3*Math.PI/2, 0);
cr.LineTo (x1 - lineWidth15, y1);
cr.LineWidth = lineWidth;
linGrad = new LinearGradient (0, y0+lineWidth, 0, y1);
linGrad.AddColorStop (0.0, colorScheme.PrettyBright);
linGrad.AddColorStop (1.0, ColorScheme.SetAlphaChannel (colorScheme.Bright, 0));
cr.Pattern = linGrad;
cr.Stroke ();
linGrad.Destroy ();
/*** TAB :: SHADOW ***/
cr.MoveTo (x0 - lineWidth05, y1);
cr.LineTo (x0 - lineWidth05, y0 + roundSize);
cr.Arc (x0 + roundSize, y0 + roundSize, roundSize + lineWidth05, Math.PI, 3*Math.PI/2);
cr.Arc (x1 - roundSize, y0 + roundSize, roundSize + lineWidth05, 3*Math.PI/2, 0);
cr.LineTo (x1 + lineWidth05, y1);
cr.LineWidth = lineWidth;
cr.Color = new Color (0, 0, 0, 0.2);
cr.Stroke ();
}
}
