- removed some unneeded code

- finished CurveLinedefsMode (except for Anders_A's code)
- added public method to cancel editing modes

Source/BuilderModes/ClassicModes/CurveLinedefsMode.cs

@@ -100,7 +100,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			// Cancel base class
 			base.OnCancel();
 
-			// Return to vertices mode
+			// Return to base mode
 			General.Map.ChangeMode(basemode);
 		}
 
@@ -110,10 +110,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			base.OnEngage();
 
 			// Show toolbox window
-			BuilderPlug.Me.CurveLinedefsForm.Show(General.Interface);
-
-			// Keep focus on main window
-			General.Interface.Focus();
+			BuilderPlug.Me.CurveLinedefsForm.Show((Form)General.Interface, this);
 		}
 
 		// Disenagaging
@@ -123,11 +120,47 @@ namespace CodeImp.DoomBuilder.BuilderModes
 
 			// Hide toolbox window
 			BuilderPlug.Me.CurveLinedefsForm.Hide();
-			
-			// Hide highlight info
-			General.Interface.HideInfo();
 		}
 
+		// This applies the curves and returns to the base mode
+		public void Apply()
+		{
+			// Create undo
+			General.Map.UndoRedo.CreateUndo("Curve linedefs", UndoGroup.None, 0);
+			
+			// Go for all selected lines
+			foreach(Linedef ld in selectedlines)
+			{
+				// Make curve for line
+				List<Vector2D> points = GenerateCurve(ld);
+				if(points.Count > 0)
+				{
+					// TODO: We may want some sector create/join code in here
+					// to allow curves that overlap lines and some geometry merging
+
+					// Go for all points to split the line
+					Linedef splitline = ld;
+					for(int i = 0; i < points.Count; i++)
+					{
+						// Make vertex
+						Vertex v = General.Map.Map.CreateVertex(points[i]);
+
+						// Split the line and move on with this line
+						splitline = splitline.Split(v);
+					}
+				}
+			}
+
+			// Snap to map format accuracy
+			General.Map.Map.SnapAllToAccuracy();
+			
+			// Update caches
+			General.Map.Map.Update();
+			
+			// Return to base mode
+			General.Map.ChangeMode(basemode);
+		}
+		
 		// This generates the vertices to split the line with, from start to end
 		private List<Vector2D> GenerateCurve(Linedef line)
 		{

Source/BuilderModes/ClassicModes/DragGeometryMode.cs

@@ -330,9 +330,6 @@ namespace CodeImp.DoomBuilder.BuilderModes
 				Cursor.Current = Cursors.Default;
 				General.Map.IsChanged = true;
 			}
-
-			// Hide highlight info
-			General.Interface.HideInfo();
 		}
 
 		// This checks if the view offset/zoom changed and updates the check

Source/BuilderModes/ClassicModes/DrawGeometryMode.cs

@@ -521,9 +521,6 @@ namespace CodeImp.DoomBuilder.BuilderModes
 				General.Map.IsChanged = true;
 			}
 
-			// Hide highlight info
-			General.Interface.HideInfo();
-
 			// Done
 			Cursor.Current = Cursors.Default;
 		}

Source/BuilderModes/Interface/CurveLinedefsForm.Designer.cs

@@ -151,6 +151,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			this.cancel.TabIndex = 22;
 			this.cancel.Text = "Cancel";
 			this.cancel.UseVisualStyleBackColor = true;
+			this.cancel.Click += new System.EventHandler(this.cancel_Click);
 			// 
 			// apply
 			// 
@@ -161,6 +162,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			this.apply.TabIndex = 21;
 			this.apply.Text = "OK";
 			this.apply.UseVisualStyleBackColor = true;
+			this.apply.Click += new System.EventHandler(this.apply_Click);
 			// 
 			// circular
 			// 

Source/BuilderModes/Interface/CurveLinedefsForm.cs

@@ -38,6 +38,12 @@ namespace CodeImp.DoomBuilder.BuilderModes
 {
 	public partial class CurveLinedefsForm : DelayedForm
 	{
+		#region ================== Variables
+
+		private CurveLinedefsMode mode;
+		
+		#endregion
+
 		#region ================== Properties
 
 		public int Vertices { get { return verticesbar.Value; } }
@@ -67,24 +73,27 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			// User closing the window?
 			if(e.CloseReason == CloseReason.UserClosing)
 			{
-				// Just return to linedefs mode
-				General.Map.ChangeMode(new LinedefsMode());
+				// Just cancel
+				General.Map.CancelMode();
 				e.Cancel = true;
 			}
 		}
 
-		// Window is shown
-		protected override void OnShown(EventArgs e)
+		// This shows the window
+		public void Show(Form owner, CurveLinedefsMode mode)
 		{
-			// First time showing?
-			if((this.Location.X == 0) && (this.Location.Y == 0))
-			{
-				// Position in left-top of owner
-				this.Location = new Point(this.Owner.Location.X + 20, this.Owner.Location.Y + 80); 
-			}
+			// Keep reference to mode
+			this.mode = mode;
 			
-			// Continue
-			base.OnShown(e);
+			// First time showing?
+			//if((this.Location.X == 0) && (this.Location.Y == 0))
+			{
+				// Position at left-top of owner
+				this.Location = new Point(owner.Location.X + 20, owner.Location.Y + 90); 
+			}
+
+			// Show window
+			base.Show(owner);
 		}
 		
 		// Vertices bar changed
@@ -162,7 +171,21 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		{
 			General.Interface.RedrawDisplay();
 		}
+		
+		// Cancel clicked
+		private void cancel_Click(object sender, EventArgs e)
+		{
+			// Cancel now
+			General.Map.CancelMode();
+		}
 
+		// Apply clicked
+		private void apply_Click(object sender, EventArgs e)
+		{
+			// Apply now
+			mode.Apply();
+		}
+		
 		#endregion
 	}
 }

Source/Editing/EditMode.cs

@@ -161,7 +161,6 @@ namespace CodeImp.DoomBuilder.Editing
 		}
 
 		// This forces the mode to cancel and return to the "parent" mode
-		[BeginAction("cancelmode", BaseAction = true)]
 		public virtual void OnCancel() { }
 		
 		// Interface events

Source/General/MapManager.cs

@@ -823,6 +823,16 @@ namespace CodeImp.DoomBuilder
 
 		#region ================== Editing Modes
 
+		/// <summary>
+		/// This cancels the current mode.
+		/// </summary>
+		[BeginAction("cancelmode")]
+		public void CancelMode()
+		{
+			// Let the mode know
+			mode.OnCancel();
+		}
+		
 		//
 		// This changes the editing mode.
 		// Order in which events occur for the old and new modes: