From: Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
Date: Fri, 9 Apr 2021 02:42:23 +0000 (+0200)
Subject: label.Text locations check, event.Handled = true for mouse overrides in TextBox
X-Git-Tag: v0.9.5-beta~35
X-Git-Url: https://git.osiis.dedyn.io/?a=commitdiff_plain;h=1a2d73613006acc5d519bac9b86d8c0c79ae9d46;p=jp%2Fcrow.git

label.Text locations check, event.Handled = true for mouse overrides in TextBox
---

diff --git a/Crow/src/Widgets/Label.cs b/Crow/src/Widgets/Label.cs
index 00788de4..f8574959 100644
--- a/Crow/src/Widgets/Label.cs
+++ b/Crow/src/Widgets/Label.cs
@@ -161,12 +161,26 @@ namespace Crow
 					getLines ();
 					textMeasureIsUpToDate = false;
 				}
+				constraintsLocations();
 				NotifyValueChanged ("Text", Text);
 				OnTextChanged (this, new TextChangeEventArgs (new TextChange (0, oldTextLength, _text)));
 				RegisterForGraphicUpdate ();
             }
         }
 
+		void constraintsLocations () {
+			if (selectionStart.HasValue) {
+				CharLocation loc = CurrentLoc.Value;
+				int l = Math.Min (loc.Line, lines.Count - 1);
+				selectionStart = new CharLocation (l, Math.Min (loc.Column, lines[l].Length - 1));
+			}
+			if (CurrentLoc.HasValue) {
+				CharLocation loc = CurrentLoc.Value;
+				int l = Math.Min (loc.Line, lines.Count - 1);
+				CurrentLoc = new CharLocation (l, Math.Min (loc.Column, lines[l].Length - 1));
+			}
+		}
+
 		/// <summary>
 		/// If 'true', linebreaks will be interpreted. If 'false', linebreaks are threated as unprintable
 		/// unicode characters. Default value is 'False'.
@@ -181,6 +195,7 @@ namespace Crow
 					return;
 				_multiline = value;
 				getLines ();
+				constraintsLocations();
 				NotifyValueChangedAuto (_multiline);
 				RegisterForGraphicUpdate();
 			}
@@ -445,6 +460,7 @@ namespace Crow
 								selRect.Width = selEnd.VisualCharXPosition - selStart.VisualCharXPosition;
 							}
 
+
 							gr.SetSource (selBackground);
 							gr.Rectangle (selRect);
 							if (encodedBytes < 0)
@@ -518,7 +534,7 @@ namespace Crow
 			return true;
 		}
 
-		void updateLocation (Context gr, int clientWidth, ref CharLocation? location) {
+		protected void updateLocation (Context gr, int clientWidth, ref CharLocation? location) {
 			if (location == null)
 				return;
 			CharLocation loc = location.Value;
diff --git a/Crow/src/Widgets/TextBox.cs b/Crow/src/Widgets/TextBox.cs
index dddcdfb1..bf1678f4 100644
--- a/Crow/src/Widgets/TextBox.cs
+++ b/Crow/src/Widgets/TextBox.cs
@@ -133,17 +133,20 @@ namespace Crow
 		}
 
 		/// <summary> Process scrolling vertically, or if shift is down, vertically </summary>
-		public override void onMouseWheel (object sender, MouseWheelEventArgs e) {
-			base.onMouseWheel (sender, e);
+		public override void onMouseWheel (object sender, MouseWheelEventArgs e) {			
 			if (IFace.Shift)
 				ScrollX += e.Delta * MouseWheelSpeed;
 			else
 				ScrollY -= e.Delta * MouseWheelSpeed;
+			
+			e.Handled = true;
+			base.onMouseWheel (sender, e);
 		}
-        public override void onMouseMove (object sender, MouseMoveEventArgs e) {
-            base.onMouseMove (sender, e);
-            if (!HasFocus || !IFace.IsDown (MouseButton.Left))
-                return;
+        public override void onMouseMove (object sender, MouseMoveEventArgs e) {            
+            if (!HasFocus || !IFace.IsDown (MouseButton.Left)) {
+                base.onMouseMove (sender, e);
+				return;
+			}
             Rectangle cb = ClientRectangle;
 
             if (CurrentLoc.Value.VisualCharXPosition < scrollX)
@@ -161,6 +164,8 @@ namespace Crow
             else if (CurrentLoc.Value.Line > lastLine)
                 ScrollY = (int)(lineHeight * (CurrentLoc.Value.Line + 1)) - cb.Height;
 
+			e.Handled = true;
+			base.onMouseMove (sender, e);
         }
         #endregion
         public override void OnLayoutChanges (LayoutingType layoutType) {