Draw Rectangle mode, Draw Ellipse mode: fixed a possible crash when restoring bevel/subdivisions values.

Draw Curve mode: added "Reset" button to the toolbar.
Draw Rectangle/Ellipse/Grid modes: "Reset" toolbar buttons didn't have a proper tooltip.

Source/Plugins/BuilderModes/ClassicModes/DrawEllipseMode.cs

@@ -73,8 +73,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 
 			//got shape
 			if (bevelWidth < 0) {
-				int bevelSign = (bevelWidth > 0 ? 1 : -1);
+				currentBevelWidth = -Math.Min(Math.Abs(bevelWidth), Math.Min(width, height) / 2) + 1;
-				currentBevelWidth = Math.Min(Math.Abs(bevelWidth), Math.Min(width, height) / 2) * bevelSign;
 			} else {
 				currentBevelWidth = bevelWidth;
 			}
@@ -108,7 +107,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		}
 
 		protected override string getHintText() {
-			return "BVL: "+bevelWidth+"; VERTS: "+subdivisions;
+			return "BVL: " + bevelWidth + "; VERTS: " + subdivisions;
 		}
 
 		#endregion
@@ -154,7 +153,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		}
 
 		protected override void decreaseBevel() {
-			if(currentBevelWidth == bevelWidth || bevelWidth > 0) {
+			if(bevelWidth > 0 || currentBevelWidth <= bevelWidth + 1) {
 				bevelWidth = Math.Max(bevelWidth - General.Map.Grid.GridSize, panel.MinSpikiness);
 				panel.Spikiness = bevelWidth;
 				Update();

Source/Plugins/BuilderModes/Interface/DrawCurveOptionsPanel.Designer.cs

@@ -26,8 +26,9 @@
 		/// </summary>
 		private void InitializeComponent() {
 			this.toolstrip = new System.Windows.Forms.ToolStrip();
-			this.seglen = new CodeImp.DoomBuilder.Controls.ToolStripNumericUpDown();
 			this.seglabel = new System.Windows.Forms.ToolStripLabel();
+			this.seglen = new CodeImp.DoomBuilder.Controls.ToolStripNumericUpDown();
+			this.reset = new System.Windows.Forms.ToolStripButton();
 			this.toolstrip.SuspendLayout();
 			this.SuspendLayout();
 			// 
@@ -35,22 +36,14 @@
 			// 
 			this.toolstrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
             this.seglabel,
-            this.seglen});
+            this.seglen,
+            this.reset});
 			this.toolstrip.Location = new System.Drawing.Point(0, 0);
 			this.toolstrip.Name = "toolstrip";
 			this.toolstrip.Size = new System.Drawing.Size(249, 25);
 			this.toolstrip.TabIndex = 7;
 			this.toolstrip.Text = "toolStrip1";
 			// 
-			// seglen
-			// 
-			this.seglen.AutoSize = false;
-			this.seglen.Margin = new System.Windows.Forms.Padding(3, 0, 0, 0);
-			this.seglen.Name = "seglen";
-			this.seglen.Size = new System.Drawing.Size(56, 20);
-			this.seglen.Text = "0";
-			this.seglen.ValueChanged += new System.EventHandler(this.seglen_ValueChanged);
-			// 
 			// seglabel
 			// 
 			this.seglabel.Image = global::CodeImp.DoomBuilder.BuilderModes.Properties.Resources.Gear;
@@ -58,6 +51,40 @@
 			this.seglabel.Size = new System.Drawing.Size(113, 22);
 			this.seglabel.Text = "Segment Length:";
 			// 
+			// seglen
+			// 
+			this.seglen.AutoSize = false;
+			this.seglen.Margin = new System.Windows.Forms.Padding(3, 0, 0, 0);
+			this.seglen.Maximum = new decimal(new int[] {
+            100,
+            0,
+            0,
+            0});
+			this.seglen.Minimum = new decimal(new int[] {
+            0,
+            0,
+            0,
+            0});
+			this.seglen.Name = "seglen";
+			this.seglen.Size = new System.Drawing.Size(56, 20);
+			this.seglen.Text = "0";
+			this.seglen.Value = new decimal(new int[] {
+            0,
+            0,
+            0,
+            0});
+			this.seglen.ValueChanged += new System.EventHandler(this.seglen_ValueChanged);
+			// 
+			// reset
+			// 
+			this.reset.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
+			this.reset.Image = global::CodeImp.DoomBuilder.BuilderModes.Properties.Resources.Reset;
+			this.reset.ImageTransparentColor = System.Drawing.Color.Magenta;
+			this.reset.Name = "reset";
+			this.reset.Size = new System.Drawing.Size(23, 22);
+			this.reset.Text = "Reset";
+			this.reset.Click += new System.EventHandler(this.reset_Click);
+			// 
 			// DrawCurveOptionsPanel
 			// 
 			this.AutoScaleDimensions = new System.Drawing.SizeF(96F, 96F);
@@ -78,6 +105,7 @@
 		private System.Windows.Forms.ToolStripLabel seglabel;
 		internal CodeImp.DoomBuilder.Controls.ToolStripNumericUpDown seglen;
 		private System.Windows.Forms.ToolStrip toolstrip;
+		private System.Windows.Forms.ToolStripButton reset;
 
 	}
 }

Source/Plugins/BuilderModes/Interface/DrawCurveOptionsPanel.cs

@@ -22,9 +22,11 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		public void Register() {
 			General.Interface.AddButton(seglabel);
 			General.Interface.AddButton(seglen);
+			General.Interface.AddButton(reset);
 		}
 
 		public void Unregister() {
+			General.Interface.RemoveButton(reset);
 			General.Interface.RemoveButton(seglen);
 			General.Interface.RemoveButton(seglabel);
 		}
@@ -32,5 +34,9 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		private void seglen_ValueChanged(object sender, EventArgs e) {
 			if(!blockEvents && OnValueChanged != null) OnValueChanged(this, EventArgs.Empty);
 		}
+
+		private void reset_Click(object sender, EventArgs e) {
+			seglen.Value = seglen.Minimum;
+		}
 	}
 }

Source/Plugins/BuilderModes/Interface/DrawEllipseOptionsPanel.Designer.cs

@@ -77,7 +77,6 @@
             0,
             0,
             0});
-			this.subdivs.ValueChanged += new System.EventHandler(this.ValueChanged);
 			// 
 			// spikinesslabel
 			// 
@@ -107,7 +106,6 @@
             0,
             0,
             0});
-			this.spikiness.ValueChanged += new System.EventHandler(this.ValueChanged);
 			// 
 			// reset
 			// 
@@ -116,7 +114,7 @@
 			this.reset.ImageTransparentColor = System.Drawing.Color.Magenta;
 			this.reset.Name = "reset";
 			this.reset.Size = new System.Drawing.Size(23, 22);
-			this.reset.Text = "toolStripButton1";
+			this.reset.Text = "Reset";
 			this.reset.Click += new System.EventHandler(this.reset_Click);
 			// 
 			// DrawEllipseOptionsPanel

Source/Plugins/BuilderModes/Interface/DrawEllipseOptionsPanel.cs

@@ -20,14 +20,14 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		
 		public DrawEllipseOptionsPanel() {
 			InitializeComponent();
+		}
 
+		public void Register() {
 			spikiness.Value = aquityValue;
 			subdivs.Value = subdivsValue;
 			spikiness.ValueChanged += ValueChanged;
 			subdivs.ValueChanged += ValueChanged;
-		}
 
-		public void Register() {
 			General.Interface.AddButton(subdivslabel);
 			General.Interface.AddButton(subdivs);
 			General.Interface.AddButton(spikinesslabel);

Source/Plugins/BuilderModes/Interface/DrawGridOptionsPanel.Designer.cs

@@ -122,7 +122,7 @@
 			this.reset.ImageTransparentColor = System.Drawing.Color.Magenta;
 			this.reset.Name = "reset";
 			this.reset.Size = new System.Drawing.Size(23, 22);
-			this.reset.Text = "toolStripButton1";
+			this.reset.Text = "Reset";
 			// 
 			// cbseparator
 			// 

Source/Plugins/BuilderModes/Interface/DrawRectangleOptionsPanel.Designer.cs

@@ -116,7 +116,7 @@
 			this.reset.ImageTransparentColor = System.Drawing.Color.Magenta;
 			this.reset.Name = "reset";
 			this.reset.Size = new System.Drawing.Size(23, 22);
-			this.reset.Text = "toolStripButton1";
+			this.reset.Text = "Reset";
 			this.reset.Click += new System.EventHandler(this.reset_Click);
 			// 
 			// DrawRectangleOptionsPanel

Source/Plugins/BuilderModes/Interface/DrawRectangleOptionsPanel.cs

@@ -20,14 +20,14 @@ namespace CodeImp.DoomBuilder.BuilderModes
 
 		public DrawRectangleOptionsPanel() {
 			InitializeComponent();
+		}
 
+		public void Register() {
 			radius.Value = radiusValue;
 			subdivs.Value = subdivsValue;
 			radius.ValueChanged += ValueChanged;
 			subdivs.ValueChanged += ValueChanged;
-		}
 
-		public void Register() {
 			General.Interface.AddButton(radiuslabel);
 			General.Interface.AddButton(radius);
 			General.Interface.AddButton(subdivslabel);