Move ShiftUI source code to ShiftOS

This'll be a lot easier to work on.

1 files changed, 120 insertions, 0 deletions

diff --git a/source/ShiftUI/Theming/Default/LinkLabelPainter.cs b/source/ShiftUI/Theming/Default/LinkLabelPainter.cs
new file mode 100644
index 0000000..6ac39a0
--- /dev/null
+++ b/source/ShiftUI/Theming/Default/LinkLabelPainter.cs
@@ -0,0 +1,120 @@
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+// Copyright (c) 2007 Novell, Inc.
+//
+// Authors:
+//	Everaldo Canuto ([email protected])
+
+using System;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+
+namespace ShiftUI.Theming.Default
+{
+	internal class LinkLabelPainter
+	{
+		public LinkLabelPainter ()
+		{
+		}
+
+		private Color GetPieceColor (LinkLabel label, LinkLabel.Piece piece, int i)
+		{
+			if (!label.Enabled)
+				return label.DisabledLinkColor;
+
+			if (piece.link == null)
+				return label.ForeColor;
+
+			if (!piece.link.Enabled)
+				return label.DisabledLinkColor;
+				
+			if (piece.link.Active)
+				return label.ActiveLinkColor;
+				
+			if ((label.LinkVisited && i == 0) || piece.link.Visited)
+				return label.VisitedLinkColor;
+			
+			return label.LinkColor;
+		}
+		
+		public virtual void Draw (Graphics dc, Rectangle clip_rectangle, LinkLabel label)
+		{
+			Rectangle client_rect = label.PaddingClientRectangle;
+
+			label.DrawImage (dc, label.Image, client_rect, label.ImageAlign);
+
+			if (label.pieces == null)
+				return;
+
+			// Paint all text as disabled.
+			if (!label.Enabled) {
+				dc.SetClip (clip_rectangle);
+				ThemeEngine.Current.CPDrawStringDisabled (
+					dc, label.Text, label.Font, label.BackColor, client_rect, label.string_format);
+				return;
+			}
+
+			Font font, link_font = ThemeEngine.Current.GetLinkFont (label);
+			
+			Region text_region = new Region (new Rectangle());
+
+			// Draw links.
+			for (int i = 0; i < label.pieces.Length; i ++) {
+				LinkLabel.Piece piece = label.pieces[i];
+				
+				if (piece.link == null) {
+					text_region.Union (piece.region);
+					continue;
+				}
+
+				Color color = GetPieceColor (label, piece, i);
+
+				if ( (label.LinkBehavior == LinkBehavior.AlwaysUnderline) || 
+					 (label.LinkBehavior == LinkBehavior.SystemDefault) ||
+					 ((label.LinkBehavior == LinkBehavior.HoverUnderline) && piece.link.Hovered) )
+					font = link_font;
+				else
+					font = label.Font;
+				
+				dc.Clip = piece.region;
+				dc.Clip.Intersect (clip_rectangle);
+				dc.DrawString (label.Text, font, 
+						ThemeEngine.Current.ResPool.GetSolidBrush (color), 
+						client_rect, label.string_format);
+			
+				// Draw focus rectangle
+				if ((piece.link != null) && piece.link.Focused) {
+					foreach (RectangleF rect in piece.region.GetRegionScans (dc.Transform))
+						WidgetPaint.DrawFocusRectangle (dc, Rectangle.Round (rect), label.ForeColor, label.BackColor);
+				}
+			}
+			
+			// Draw normal text (without links).
+			if (!text_region.IsEmpty (dc)) {
+				dc.Clip = text_region;
+				dc.Clip.Intersect (clip_rectangle);
+				if (!dc.Clip.IsEmpty (dc))
+					dc.DrawString(label.Text, label.Font, 
+						ThemeEngine.Current.ResPool.GetSolidBrush(label.ForeColor),
+						client_rect, label.string_format);
+			}
+		}
+	}
+}
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