Should not have used textures category if not having them on top

Source/Core/Controls/ImageBrowserControl.cs

@@ -119,7 +119,7 @@ namespace CodeImp.DoomBuilder.Controls
 			this.browseflats = browseflats;
 			uselongtexturenames = General.Map.Options.UseLongTextureNames;
 			texturetype = General.Settings.ReadSetting(settingpath + ".texturetype", 0);
-			usedtexturesfirst.Checked = General.Settings.ReadSetting(settingpath + ".showusedtexturesfirst", false);
+            list.UsedTexturesFirst = usedtexturesfirst.Checked = General.Settings.ReadSetting(settingpath + ".showusedtexturesfirst", false);
             list.ClassicView = classicview.Checked = General.Settings.ReadSetting(settingpath + ".classicview", false);
 			
 			int imagesize = General.Settings.ReadSetting(settingpath + ".imagesize", 128);
@@ -364,6 +364,7 @@ namespace CodeImp.DoomBuilder.Controls
 		{
 			if(!blockupdate)
 			{
+                list.UsedTexturesFirst = usedtexturesfirst.Checked;
                 RefillList(false);
 				list.Focus();
 			}

Source/Core/Controls/ImageSelectorPanel.cs

@@ -28,6 +28,7 @@ namespace CodeImp.DoomBuilder.Controls
 		private ImageBrowserItem lastselecteditem;
 		private int imagesize = 128;
         private bool classicview = false;
+        private bool usedtexturesfirst = false;
         private string contenttype = "Textures";
 		private string title;
 		private int titleheight = SystemFonts.MessageBoxFont.Height + 6;
@@ -125,6 +126,17 @@ namespace CodeImp.DoomBuilder.Controls
             }
         }
 
+        public bool UsedTexturesFirst
+        {
+            get { return usedtexturesfirst; }
+            set
+            {
+                usedtexturesfirst = value;
+                UpdateRectangles();
+                if (selection.Count > 0) ScrollToItem(selection[0]);
+            }
+        }
+
 		public List<ImageBrowserItem> Items { get { return items; } }
 		public List<ImageBrowserItem> SelectedItems { get { return selection; } }
 		public string Title { get { return title; } set { title = value; } }
@@ -498,7 +510,7 @@ namespace CodeImp.DoomBuilder.Controls
             foreach (var ti in items)
 			{
 				Image preview = GetPreview(ti, imagesize);
-                if (classicview && (ti == firstItem || (currentType == ImageBrowserItemType.IMAGE && ti.ItemType != ImageBrowserItemType.IMAGE) || currentUsedInMap != ti.Icon.UsedInMap))
+                if (classicview && (ti == firstItem || (currentType == ImageBrowserItemType.IMAGE && ti.ItemType != ImageBrowserItemType.IMAGE) || (usedtexturesfirst && currentUsedInMap != ti.Icon.UsedInMap)))
                 {
                     // new row, also provide space for category name.
                     cx = 0;
@@ -597,7 +609,7 @@ namespace CodeImp.DoomBuilder.Controls
 
                 for (var i = 0; i < items.Count; i++)
 				{
-                    if (classicview && (i == 0 || (currentType == ImageBrowserItemType.IMAGE && items[i].ItemType != ImageBrowserItemType.IMAGE) || currentUsedInMap != items[i].Icon.UsedInMap))
+                    if (classicview && (i == 0 || (currentType == ImageBrowserItemType.IMAGE && items[i].ItemType != ImageBrowserItemType.IMAGE) || (usedtexturesfirst && currentUsedInMap != items[i].Icon.UsedInMap)))
                     {
                         // draw corresponding title right above this item.
                         string hdrname;

Source/Plugins/BuilderEffects/Properties/Resources.Designer.cs

@@ -1,7 +1,7 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
-//     Runtime Version:2.0.50727.5485
+//     Runtime Version:4.0.30319.42000
 //
 //     Changes to this file may cause incorrect behavior and will be lost if
 //     the code is regenerated.
@@ -19,7 +19,7 @@ namespace CodeImp.DoomBuilder.BuilderEffects.Properties {
     // class via a tool like ResGen or Visual Studio.
     // To add or remove a member, edit your .ResX file then rerun ResGen
     // with the /str option, or rebuild your VS project.
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "2.0.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
     internal class Resources {
@@ -60,6 +60,9 @@ namespace CodeImp.DoomBuilder.BuilderEffects.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
         internal static System.Drawing.Bitmap FlatShading {
             get {
                 object obj = ResourceManager.GetObject("FlatShading", resourceCulture);
@@ -67,6 +70,9 @@ namespace CodeImp.DoomBuilder.BuilderEffects.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
         internal static System.Drawing.Bitmap Folder {
             get {
                 object obj = ResourceManager.GetObject("Folder", resourceCulture);
@@ -74,6 +80,9 @@ namespace CodeImp.DoomBuilder.BuilderEffects.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
         internal static System.Drawing.Bitmap Jitter {
             get {
                 object obj = ResourceManager.GetObject("Jitter", resourceCulture);
@@ -81,6 +90,9 @@ namespace CodeImp.DoomBuilder.BuilderEffects.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
         internal static System.Drawing.Bitmap Terrain {
             get {
                 object obj = ResourceManager.GetObject("Terrain", resourceCulture);
@@ -88,6 +100,9 @@ namespace CodeImp.DoomBuilder.BuilderEffects.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
         internal static System.Drawing.Bitmap Update {
             get {
                 object obj = ResourceManager.GetObject("Update", resourceCulture);