From 64ff340ec1aa5c46de7a1ca78b2ff66a93f514b2 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jean-Philippe=20Bruy=C3=A8re?= <jp_bruyere@hotmail.com>
Date: Mon, 15 Feb 2021 21:04:06 +0100
Subject: [PATCH] button enabled state with command change, TextChange.reverse,
 label.getX in any case, register sizing in widget visible state change

---
 Crow/src/Text/TextChange.cs | 3 +++
 Crow/src/Widgets/Button.cs  | 4 +++-
 Crow/src/Widgets/Label.cs   | 4 ++--
 Crow/src/Widgets/Widget.cs  | 7 +++----
 4 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/Crow/src/Text/TextChange.cs b/Crow/src/Text/TextChange.cs
index 636c732b..deecc5e5 100644
--- a/Crow/src/Text/TextChange.cs
+++ b/Crow/src/Text/TextChange.cs
@@ -16,5 +16,8 @@ namespace Crow.Text
             Length = length;
             ChangedText = changedText;
         }
+        public TextChange Inverse (string src)
+            => new TextChange (Start, string.IsNullOrEmpty (ChangedText) ? 0 : ChangedText.Length,
+                Length == 0 ? "" : src.AsSpan (Start, Length).ToString ());
     }
 }
diff --git a/Crow/src/Widgets/Button.cs b/Crow/src/Widgets/Button.cs
index ce514ce0..b7b9326b 100644
--- a/Crow/src/Widgets/Button.cs
+++ b/Crow/src/Widgets/Button.cs
@@ -113,8 +113,10 @@ namespace Crow
 		void Command_ValueChanged (object sender, ValueChangeEventArgs e)
 		{
 			string mName = e.MemberName;
-			if (mName == "CanExecute")
+			if (mName == "CanExecute") {
 				mName = "IsEnabled";
+				RegisterForRedraw ();
+			}
 			NotifyValueChanged (mName, e.NewValue);
 		}
 
diff --git a/Crow/src/Widgets/Label.cs b/Crow/src/Widgets/Label.cs
index 9429a516..9183f7d8 100644
--- a/Crow/src/Widgets/Label.cs
+++ b/Crow/src/Widgets/Label.cs
@@ -417,7 +417,7 @@ namespace Crow
 						}
 
 						RectangleD lineRect = new RectangleD (
-							Width.IsFit && !Multiline ? cb.X : (int)getX (cb.Width, lines[i]) + cb.X,
+							(int)getX (cb.Width, lines[i]) + cb.X,
 							y + cb.Top, lines[i].LengthInPixel, lineHeight);
 
 						if (encodedBytes > 0) {
@@ -535,7 +535,7 @@ namespace Crow
 				return;
 			TextLine ls = lines[loc.Line];
 			ReadOnlySpan<char> curLine = _text.GetLine (ls);
-			double cPos = Width.IsFit && !Multiline ? 0 : getX (clientWidth, ls);
+			double cPos = getX (clientWidth, ls);
 
 			if (loc.Column >= 0) {
 				//int encodedBytes = Crow.Text.Encoding2.ToUtf8 (curLine.Slice (0, loc.Column), bytes);
diff --git a/Crow/src/Widgets/Widget.cs b/Crow/src/Widgets/Widget.cs
index 519d7019..8e44759c 100644
--- a/Crow/src/Widgets/Widget.cs
+++ b/Crow/src/Widgets/Widget.cs
@@ -889,10 +889,9 @@ namespace Crow
 
 				isVisible = value;
 
-				if (Visible)
-					RegisterForLayouting (LayoutingType.Sizing);
-				else
+				if (!Visible)
 					unshownPostActions ();
+				RegisterForLayouting (LayoutingType.Sizing);
 
 				NotifyValueChangedAuto (isVisible);
 			}
@@ -1846,7 +1845,7 @@ namespace Crow
 		}
 		void paintDisabled(Context gr, Rectangle rb){
 			gr.Operator = Operator.Xor;
-			gr.SetSource (0.6, 0.6, 0.6, 0.3);
+			gr.SetSource (0.1, 0.1, 0.1, 0.8);
 			gr.Rectangle (rb);
 			gr.Fill ();
 			gr.Operator = Operator.Over;
-- 
2.47.3