When choosing a difficulty or engine in the test toolbar button the engine will not be launched immediately. This can be reverted in the preferences. Resolves #626

Source/Core/Config/ProgramConfiguration.cs

@@ -97,6 +97,7 @@ namespace CodeImp.DoomBuilder.Config
 		private bool switchviewmodes; //mxd
 		private bool showfps;
 		private int[] colordialogcustomcolors;
+		private bool autolaunchontest;
 
 		//mxd. Script editor settings
 		private string scriptfontname;
@@ -207,6 +208,7 @@ namespace CodeImp.DoomBuilder.Config
 		public bool SplitJoinedSectors { get { return splitjoinedsectors; } internal set { splitjoinedsectors = value; } } //mxd
 		public bool ShowFPS { get { return showfps; } internal set { showfps = value; } }
 		public int[] ColorDialogCustomColors { get { return colordialogcustomcolors; } internal set { colordialogcustomcolors = value; } }
+		public bool AutoLaunchOnTest { get { return autolaunchontest; } internal set { autolaunchontest = value; } }
 
 		//mxd. Highlight mode
 		public bool UseHighlight
@@ -354,6 +356,7 @@ namespace CodeImp.DoomBuilder.Config
 				usehighlight = cfg.ReadSetting("usehighlight", true); //mxd
 				switchviewmodes = cfg.ReadSetting("switchviewmodes", false); //mxd
 				showfps = cfg.ReadSetting("showfps", false);
+				autolaunchontest = cfg.ReadSetting("autolaunchontest", false);
 
 				//mxd. Script editor
 				scriptfontname = cfg.ReadSetting("scriptfontname", "Courier New");
@@ -491,6 +494,7 @@ namespace CodeImp.DoomBuilder.Config
 			cfg.WriteSetting("usehighlight", usehighlight); //mxd
 			cfg.WriteSetting("switchviewmodes", switchviewmodes); //mxd
 			cfg.WriteSetting("showfps", showfps);
+			cfg.WriteSetting("autolaunchontest", autolaunchontest);
 
 			//mxd. Script editor
 			cfg.WriteSetting("scriptfontname", scriptfontname);

Source/Core/Windows/MainForm.cs

@@ -586,6 +586,9 @@ namespace CodeImp.DoomBuilder.Windows
 			this.DragEnter += OnDragEnter;
 			this.DragDrop += OnDragDrop;
 
+			// For checking if the drop down should really be closed
+			buttontest.DropDown.Closing += ButtonTestDropDown_Closing;
+
 			// Info panel state?
 			bool expandedpanel = General.Settings.ReadSetting("windows." + configname + ".expandedinfopanel", true);
 			if(expandedpanel != IsInfoPanelExpanded) ToggleInfoPanel();
@@ -1608,7 +1611,10 @@ namespace CodeImp.DoomBuilder.Windows
 		{
 			General.Map.ConfigSettings.CurrentEngineIndex = (int)(((ToolStripMenuItem)sender).Tag);
 			General.Map.ConfigSettings.Changed = true;
+
+			if(General.Settings.AutoLaunchOnTest)
 				General.Map.Launcher.TestAtSkill(General.Map.ConfigSettings.TestSkill);
+
 			UpdateSkills();
 		}
 		
@@ -1618,7 +1624,10 @@ namespace CodeImp.DoomBuilder.Windows
 			int skill = (int)((sender as ToolStripMenuItem).Tag);
 			General.Settings.TestMonsters = (skill > 0);
 			General.Map.ConfigSettings.TestSkill = Math.Abs(skill);
+
+			if(General.Settings.AutoLaunchOnTest)
 				General.Map.Launcher.TestAtSkill(Math.Abs(skill));
+
 			UpdateSkills();
 		}
 		
@@ -2294,6 +2303,19 @@ namespace CodeImp.DoomBuilder.Windows
 			} 
 		}
 
+		/// <summary>
+		/// Called when the test button drop down wants to close. Prevents closing when auto-launching is disabled
+		/// </summary>
+		/// <param name="sender">The sneder</param>
+		/// <param name="e">The event</param>
+		private void ButtonTestDropDown_Closing(object sender, ToolStripDropDownClosingEventArgs e)
+		{
+			if (General.Settings.AutoLaunchOnTest == false && e.CloseReason == ToolStripDropDownCloseReason.ItemClicked)
+			{
+				e.Cancel = true;
+			}
+		}
+
 		#endregion
 
 		#region ================== Toolbar context menu (mxd)

Source/Core/Windows/PreferencesForm.Designer.cs

@@ -211,6 +211,7 @@ namespace CodeImp.DoomBuilder.Windows
 			this.tabpasting = new System.Windows.Forms.TabPage();
 			this.label16 = new System.Windows.Forms.Label();
 			this.pasteoptions = new CodeImp.DoomBuilder.Controls.PasteOptionsControl();
+			this.autolaunchontest = new System.Windows.Forms.CheckBox();
 			groupBox1 = new System.Windows.Forms.GroupBox();
 			label7 = new System.Windows.Forms.Label();
 			label5 = new System.Windows.Forms.Label();
@@ -259,6 +260,7 @@ namespace CodeImp.DoomBuilder.Windows
 			// 
 			// groupBox1
 			// 
+			groupBox1.Controls.Add(this.autolaunchontest);
 			groupBox1.Controls.Add(this.texturesizesbelow);
 			groupBox1.Controls.Add(this.blackbrowsers);
 			groupBox1.Controls.Add(this.checkforupdates);
@@ -2375,6 +2377,16 @@ namespace CodeImp.DoomBuilder.Windows
 			this.pasteoptions.Size = new System.Drawing.Size(666, 427);
 			this.pasteoptions.TabIndex = 0;
 			// 
+			// autolaunchontest
+			// 
+			this.autolaunchontest.AutoSize = true;
+			this.autolaunchontest.Location = new System.Drawing.Point(16, 392);
+			this.autolaunchontest.Name = "autolaunchontest";
+			this.autolaunchontest.Size = new System.Drawing.Size(301, 17);
+			this.autolaunchontest.TabIndex = 50;
+			this.autolaunchontest.Text = "Automatically launch engine when test parameters change";
+			this.autolaunchontest.UseVisualStyleBackColor = true;
+			// 
 			// PreferencesForm
 			// 
 			this.AcceptButton = this.apply;
@@ -2625,5 +2637,6 @@ namespace CodeImp.DoomBuilder.Windows
 		private CodeImp.DoomBuilder.Controls.ColorControl colorguidelines;
         private System.Windows.Forms.CheckBox texturesizesbelow;
 		private System.Windows.Forms.CheckBox cbShowFPS;
+		private System.Windows.Forms.CheckBox autolaunchontest;
 	}
 }

Source/Core/Windows/PreferencesForm.cs

@@ -96,6 +96,7 @@ namespace CodeImp.DoomBuilder.Windows
 			showtexturesizes.Checked = General.Settings.ShowTextureSizes;
             texturesizesbelow.Checked = General.Settings.TextureSizesBelow;
 			cbShowFPS.Checked = General.Settings.ShowFPS;
+			autolaunchontest.Checked = General.Settings.AutoLaunchOnTest;
 
 			//mxd
 			locatetexturegroup.Checked = General.Settings.LocateTextureGroup;
@@ -333,6 +334,7 @@ namespace CodeImp.DoomBuilder.Windows
 			General.Settings.MaxRecentFiles = recentFiles.Value; //mxd
 			General.Settings.ScreenshotsPath = screenshotsfolderpath.Text.Trim(); //mxd
 			General.Settings.ShowFPS = cbShowFPS.Checked;
+			General.Settings.AutoLaunchOnTest = autolaunchontest.Checked;
 
 			// Script settings
 			General.Settings.ScriptFontBold = scriptfontbold.Checked;

Source/Core/Windows/PreferencesForm.resx

@@ -141,6 +141,9 @@
   <metadata name="label1.GenerateMember" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>False</value>
   </metadata>
+  <metadata name="toolTip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
   <data name="scriptallmanstyle.ToolTip" xml:space="preserve">
     <value>When enabled, the opening brace 
 will be placed on a new line when