/// <summary>
/// Renders the pager background. Clip is already set to prevent rendering outside of the primary borders of the popoverwindow.
/// </summary>
protected virtual void RenderPagerBackground(Cairo.Context context, Gdk.Rectangle bounds)
{
// draw background
CairoExtensions.RoundedRectangle(context,
bounds.X,
bounds.Y,
bounds.Width,
bounds.Height,
CornerRadius,
CairoCorners.BottomLeft);
using (var lg = new Cairo.LinearGradient(0, bounds.Y, 0, bounds.Y + bounds.Height)) {
lg.AddColorStop(0, PagerBackgroundColorTop);
lg.AddColorStop(1, PagerBackgroundColorBottom);
context.SetSource(lg);
context.Fill();
}
// draw outline
CairoExtensions.RoundedRectangle(context,
bounds.X + .5,
bounds.Y + .5,
bounds.Width - 1,
bounds.Height - 1,
CornerRadius,
CairoCorners.BottomLeft);
context.LineWidth = 1;
context.SetSourceColor(BorderColor);
context.Stroke();
}
/// <summary>
/// Renders the pager.
/// </summary>
public virtual void RenderPager(Cairo.Context context, Pango.Context pangoContext, Gdk.Rectangle region)
{
//set global clip to avoid going outside general rendering area
CairoExtensions.RoundedRectangle(context, region.X, region.Y, region.Width, region.Height, CornerRadius);
context.Clip();
Pango.Layout layout = SetupPagerText(context, pangoContext);
int textWidth, textHeight;
layout.GetPixelSize(out textWidth, out textHeight);
int width = textWidth + Styles.PopoverWindow.PagerTriangleSize * 2 + 20;
int height = Styles.PopoverWindow.PagerHeight;
Gdk.Rectangle boundingBox = new Gdk.Rectangle(region.X + region.Width - width, 0, width, height);
RenderPagerBackground(context, boundingBox);
int arrowPadding = 4;
Gdk.Rectangle arrowRect = new Gdk.Rectangle(boundingBox.X + arrowPadding,
boundingBox.Y + (boundingBox.Height - Styles.PopoverWindow.PagerTriangleSize) / 2,
Styles.PopoverWindow.PagerTriangleSize,
Styles.PopoverWindow.PagerTriangleSize);
RenderPagerArrow(context, arrowRect, PagerVertical ? ArrowType.Up : ArrowType.Left);
arrowRect.X = boundingBox.X + boundingBox.Width - (arrowPadding + Styles.PopoverWindow.PagerTriangleSize);
RenderPagerArrow(context, arrowRect, PagerVertical ? ArrowType.Down : ArrowType.Right);
RenderPagerText(context, layout, boundingBox);
}
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);
}
protected override bool OnExposeEvent(Gdk.EventExpose evnt)
{
var alloc = new Gdk.Rectangle(alignment.Allocation.X, box.Allocation.Y, alignment.Allocation.Width, box.Allocation.Height);
if (hasFrame && (!roundedShape || (roundedShape && !customRoundedShapeDrawing)))
{
if (Platform.IsLinux)
{
Style.PaintFlatBox(Style, GdkWindow, entry.State, ShadowType.None,
evnt.Area, this, "entry_bg", alloc.X + 2, alloc.Y + 2, alloc.Width - 4, alloc.Height - 4);
}
Style.PaintShadow(entry.Style, GdkWindow, entry.State, entry.ShadowType,
evnt.Area, entry, "entry", alloc.X, alloc.Y, alloc.Width, alloc.Height);
/* using (var ctx = Gdk.CairoHelper.Create (GdkWindow)) {
* ctx.LineWidth = 1;
* ctx.Rectangle (alloc.X + 0.5, alloc.Y + 0.5, alloc.Width - 1, alloc.Height - 1);
* ctx.Color = new Cairo.Color (1,0,0);
* ctx.Stroke ();
* }*/
}
else if (!roundedShape)
{
using (var ctx = Gdk.CairoHelper.Create(GdkWindow)) {
CairoExtensions.RoundedRectangle(ctx, alloc.X + 0.5, alloc.Y + 0.5, alloc.Width - 1, alloc.Height - 1, 4);
ctx.SetSourceColor(entry.Style.Base(Gtk.StateType.Normal).ToCairoColor());
ctx.Fill();
}
}
else
{
using (var ctx = Gdk.CairoHelper.Create(GdkWindow)) {
RoundBorder(ctx, alloc.X + 0.5, alloc.Y + 0.5, alloc.Width - 1, alloc.Height - 1);
ctx.SetSourceColor(entry.Style.Base(Gtk.StateType.Normal).ToCairoColor());
ctx.Fill();
}
}
PropagateExpose(Child, evnt);
if (hasFrame && roundedShape && customRoundedShapeDrawing)
{
using (var ctx = Gdk.CairoHelper.Create(GdkWindow)) {
RoundBorder(ctx, alloc.X + 0.5, alloc.Y + 0.5, alloc.Width - 1, alloc.Height - 1);
ctx.SetSourceColor(Styles.WidgetBorderColor.ToCairoColor());
ctx.LineWidth = 1;
ctx.Stroke();
}
}
return(true);
}
/// <summary>
/// Renders the pager background. Clip is already set to prevent rendering outside of the primary borders of the popoverwindow.
/// </summary>
protected virtual void RenderPagerBackground(Cairo.Context context, Gdk.Rectangle bounds)
{
// draw background
CairoExtensions.RoundedRectangle(context,
bounds.X + 1,
bounds.Y + 1,
bounds.Width - 2,
bounds.Height - 1,
CornerRadius,
CairoCorners.All);
context.SetSourceColor(PagerBackgroundColor);
context.Fill();
}
/// <summary>
/// Renders the pager.
/// </summary>
public virtual void RenderPager(Cairo.Context context, Pango.Context pangoContext, Gdk.Rectangle region)
{
//set global clip to avoid going outside general rendering area
CairoExtensions.RoundedRectangle(context, region.X, region.Y, region.Width, region.Height, CornerRadius);
context.Clip();
Pango.Layout layout = SetupPagerText(pangoContext);
var boundingBox = GetPagerBounds(layout, region);
RenderPagerBackground(context, boundingBox);
Gdk.Rectangle arrowRect = new Gdk.Rectangle(boundingBox.X + pagerArrowPadding,
boundingBox.Y + (boundingBox.Height - Styles.PopoverWindow.PagerTriangleSize) / 2,
Styles.PopoverWindow.PagerTriangleSize,
Styles.PopoverWindow.PagerTriangleSize);
RenderPagerArrow(context, arrowRect, PagerVertical ? ArrowType.Up : ArrowType.Left);
arrowRect.X = boundingBox.X + boundingBox.Width - (pagerArrowPadding + Styles.PopoverWindow.PagerTriangleSize);
RenderPagerArrow(context, arrowRect, PagerVertical ? ArrowType.Down : ArrowType.Right);
RenderPagerText(context, layout, boundingBox);
}
