protected override bool OnExposeEvent(Gdk.EventExpose e)
{
using (Cairo.Context cr = Gdk.CairoHelper.Create(e.Window)) {
cr.LineWidth = 1;
cr.Rectangle(0, 0, Allocation.Width, 16);
var pattern = new Cairo.LinearGradient(0, 0, 0, 16);
pattern.AddColorStop(0, new Cairo.Color(0.6, 0.8, 0.6));
pattern.AddColorStop(1, new Cairo.Color(0.8, 1.0, 0.8));
cr.Pattern = pattern;
cr.Fill();
cr.Rectangle(0, 16, Allocation.Width, Allocation.Height - 16);
pattern = new Cairo.LinearGradient(0, 16, 0, Allocation.Height);
pattern.AddColorStop(0, new Cairo.Color(0.8, 1.0, 0.8));
pattern.AddColorStop(1, new Cairo.Color(0.6, 0.8, 0.6));
cr.Pattern = pattern;
cr.Fill();
cr.Line(0, 0, Allocation.Width, 0);
cr.Color = new Cairo.Color(0.4, 0.6, 0.4);
cr.Stroke();
double xPos = padding, yPos = padding;
var layout = PangoUtil.CreateLayout(this);
int w, h;
layout.SetText(new string ('X', maxLength));
layout.GetPixelSize(out w, out h);
foreach (Category cat in categories)
{
yPos = padding;
cr.MoveTo(xPos, yPos);
layout.SetMarkup("<b>" + cat.Title + "</b>");
cr.Color = (HslColor)Style.Text(StateType.Normal);
cr.ShowLayout(layout);
layout.SetMarkup("");
int w2, h2;
layout.GetPixelSize(out w2, out h2);
yPos += h2;
yPos += headerDistance;
var startY = yPos;
int curItem = 0;
int row = 0;
var iconHeight = Math.Max(h, cat.Items[0].Icon.Height + 2);
if (cat.FirstVisibleItem > 0)
{
Gtk.Style.PaintArrow(Style, e.Window, State, ShadowType.None,
new Rectangle((int)xPos, (int)yPos, w, h),
this,
"",
ArrowType.Up,
true,
(int)xPos,
(int)yPos,
w,
h);
yPos += iconHeight;
curItem++;
}
for (int i = cat.FirstVisibleItem; i < cat.Items.Count; i++)
{
var item = cat.Items[i];
if (curItem + 1 >= maxItems && row + 1 >= maxRows && i + 1 < cat.Items.Count)
{
Gtk.Style.PaintArrow(Style, e.Window, State, ShadowType.None,
new Rectangle((int)xPos, (int)yPos, w, h),
this,
"",
ArrowType.Down,
true,
(int)xPos,
(int)yPos,
w,
h);
break;
}
if (item == ActiveItem)
{
cr.Rectangle(xPos + 0.5, yPos + 0.5, w + item.Icon.Width + 2, iconHeight);
pattern = new Cairo.LinearGradient(xPos, yPos, xPos, yPos + iconHeight * 2);
pattern.AddColorStop(0, (HslColor)Style.Base(StateType.Selected));
pattern.AddColorStop(1, new Cairo.Color(0.8, 1.0, 0.8));
cr.Pattern = pattern;
cr.FillPreserve();
cr.Color = (HslColor)Style.Base(StateType.Selected);
cr.Stroke();
cr.Color = (HslColor)Style.Text(StateType.Selected);
}
else if (item == hoverItem)
{
cr.Rectangle(xPos + 0.5, yPos + 0.5, w + item.Icon.Width + 2, iconHeight);
pattern = new Cairo.LinearGradient(xPos, yPos, xPos, yPos + iconHeight);
pattern.AddColorStop(0, new Cairo.Color(0.6, 0.8, 0.6));
pattern.AddColorStop(1, new Cairo.Color(0.8, 1.0, 0.8));
cr.Pattern = pattern;
cr.Fill();
cr.Color = (HslColor)Style.Text(StateType.Normal);
}
else
{
cr.Color = (HslColor)Style.Text(StateType.Normal);
}
cr.MoveTo(xPos + item.Icon.Width + 2, yPos + (iconHeight - h) / 2);
layout.SetText(Ellipsize(item.ListTitle ?? item.Title, maxLength));
cr.ShowLayout(layout);
e.Window.DrawPixbuf(Style.BaseGC(StateType.Normal), item.Icon, 0, 0, (int)xPos, (int)(yPos + (iconHeight - item.Icon.Height) / 2), item.Icon.Width, item.Icon.Height, RgbDither.None, 0, 0);
yPos += iconHeight;
if (++curItem >= maxItems)
{
curItem = 0;
yPos = startY;
xPos += w + cat.Items[0].Icon.Width + 2 + padding;
row++;
}
}
xPos += w + cat.Items[0].Icon.Width + 2 + padding;
}
layout.Dispose();
}
return(true);
}
protected override bool OnExposeEvent(Gdk.EventExpose evnt)
{
Gdk.Rectangle rect = Allocation;
//Gdk.Rectangle.Right and Bottom are inconsistent
int right = rect.X + rect.Width, bottom = rect.Y + rect.Height;
var bcolor = backgroundColorSet ? BackgroundColor : Style.Background(Gtk.StateType.Normal);
using (Cairo.Context cr = Gdk.CairoHelper.Create(evnt.Window)) {
if (GradientBackround)
{
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, bottom)) {
pat.AddColorStop(0, bcolor.ToCairoColor());
HslColor gcol = bcolor;
gcol.L -= 0.1;
if (gcol.L < 0)
{
gcol.L = 0;
}
pat.AddColorStop(1, gcol);
cr.SetSource(pat);
cr.Fill();
}
}
else
{
if (backgroundColorSet)
{
Gdk.GC gc = new Gdk.GC(GdkWindow);
gc.RgbFgColor = bcolor;
evnt.Window.DrawRectangle(gc, true, rect.X, rect.Y, rect.Width, rect.Height);
gc.Dispose();
}
}
cr.Dispose();
} // using
base.OnExposeEvent(evnt);
using (Cairo.Context cr = Gdk.CairoHelper.Create(evnt.Window)) {
cr.SetSourceColor((HslColor)Style.Dark(Gtk.StateType.Normal));
double y = rect.Y + topMargin / 2d;
cr.LineWidth = topMargin;
cr.Line(rect.X, y, right, y);
cr.Stroke();
y = bottom - bottomMargin / 2d;
cr.LineWidth = bottomMargin;
cr.Line(rect.X, y, right, y);
cr.Stroke();
double x = rect.X + leftMargin / 2d;
cr.LineWidth = leftMargin;
cr.Line(x, rect.Y, x, bottom);
cr.Stroke();
x = right - rightMargin / 2d;
cr.LineWidth = rightMargin;
cr.Line(x, rect.Y, x, bottom);
cr.Stroke();
cr.Dispose();
return(false);
}
}
protected override bool OnExposeEvent(Gdk.EventExpose evnt)
{
Gdk.Rectangle rect = Allocation;
//Gdk.Rectangle.Right and Bottom are inconsistent
int right = rect.X + rect.Width, bottom = rect.Y + rect.Height;
if (GradientBackround)
{
HslColor gcol = Style.Background(Gtk.StateType.Normal);
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, 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);
using (Cairo.Context cr = Gdk.CairoHelper.Create(evnt.Window))
{
cr.Color = (HslColor)Style.Dark(Gtk.StateType.Normal);
double y = rect.Y + topMargin / 2d;
cr.LineWidth = topMargin;
cr.Line(rect.X, y, right, y);
cr.Stroke();
y = bottom - bottomMargin / 2d;
cr.LineWidth = bottomMargin;
cr.Line(rect.X, y, right, y);
cr.Stroke();
double x = rect.X + leftMargin / 2d;
cr.LineWidth = leftMargin;
cr.Line(x, rect.Y, x, bottom);
cr.Stroke();
x = right - rightMargin / 2d;
cr.LineWidth = rightMargin;
cr.Line(x, rect.Y, x, bottom);
cr.Stroke();
}
return(res);
}
protected override bool OnExposeEvent(Gdk.EventExpose evnt)
{
Gdk.Rectangle rect = Allocation;
if (GradientBackround)
{
HslColor gcol = 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);
//for some reason we seem to need to paint a sightly bigger box to align with the header
//even though the allocation appears to be the same
rect.Width += 1;
rect.Height += 1;
using (Cairo.Context cr = Gdk.CairoHelper.Create(GdkWindow)) {
cr.Color = (HslColor)Style.Dark(Gtk.StateType.Normal);
double y = rect.Y + topMargin / 2d;
cr.LineWidth = topMargin;
cr.Line(rect.X, y, rect.Right, y);
cr.Stroke();
y = rect.Bottom - bottomMargin / 2d;
cr.LineWidth = bottomMargin;
cr.Line(rect.X, y, rect.Right, y);
cr.Stroke();
double x = rect.X + leftMargin / 2d;
cr.LineWidth = leftMargin;
cr.Line(x, rect.Y, x, rect.Bottom);
cr.Stroke();
x = rect.Right - rightMargin / 2d;
cr.LineWidth = rightMargin;
cr.Line(x, rect.Y, x, rect.Bottom);
cr.Stroke();
}
return(res);
}
