Add hotkey filtering functionality (by name and by context)

OpenRA.Game/HotkeyManager.cs

@@ -40,7 +40,7 @@ namespace OpenRA
 			}
 
 			foreach (var hd in definitions)
-				hd.Value.HasDuplicates = GetFirstDuplicate(hd.Value.Name, this[hd.Value.Name].GetValue(), hd.Value) != null;
+				hd.Value.HasDuplicates = GetFirstDuplicate(hd.Value, this[hd.Value.Name].GetValue()) != null;
 		}
 
 		internal Func<Hotkey> GetHotkeyReference(string name)
@@ -68,7 +68,7 @@ namespace OpenRA
 				settings.Remove(name);
 
 			var hadDuplicates = definition.HasDuplicates;
-			definition.HasDuplicates = GetFirstDuplicate(definition.Name, this[definition.Name].GetValue(), definition) != null;
+			definition.HasDuplicates = GetFirstDuplicate(definition, this[definition.Name].GetValue()) != null;
 
 			if (hadDuplicates || definition.HasDuplicates)
 			{
@@ -77,16 +77,19 @@ namespace OpenRA
 					if (hd.Value == definition)
 						continue;
 
-					hd.Value.HasDuplicates = GetFirstDuplicate(hd.Value.Name, this[hd.Value.Name].GetValue(), hd.Value) != null;
+					hd.Value.HasDuplicates = GetFirstDuplicate(hd.Value, this[hd.Value.Name].GetValue()) != null;
 				}
 			}
 		}
 
-		public HotkeyDefinition GetFirstDuplicate(string name, Hotkey value, HotkeyDefinition definition)
+		public HotkeyDefinition GetFirstDuplicate(HotkeyDefinition definition, Hotkey value)
 		{
+			if (definition == null)
+				return null;
+
 			foreach (var kv in keys)
 			{
-				if (kv.Key == name)
+				if (kv.Key == definition.Name)
 					continue;
 
 				if (kv.Value == value && definitions[kv.Key].Contexts.Overlaps(definition.Contexts))

OpenRA.Mods.Common/Widgets/Logic/Settings/HotkeysSettingsLogic.cs

@@ -31,6 +31,16 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 		bool isHotkeyValid;
 		bool isHotkeyDefault;
 
+		string currentContext = "Any";
+		readonly HashSet<string> contexts = new HashSet<string>() { "Any" };
+		readonly Dictionary<string, HashSet<string>> hotkeyGroups = new Dictionary<string, HashSet<string>>();
+		TextFieldWidget filterInput;
+
+		Widget headerTemplate;
+		Widget template;
+		Widget emptyListMessage;
+		Widget remapDialog;
+
 		static HotkeysSettingsLogic() { }
 
 		[ObjectCreator.UseCtor]
@@ -44,7 +54,7 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 
 		void BindHotkeyPref(HotkeyDefinition hd, Widget template)
 		{
-			var key = template.Clone() as Widget;
+			var key = template.Clone();
 			key.Id = hd.Name;
 			key.IsVisible = () => true;
 
@@ -86,46 +96,57 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 		{
 			hotkeyList = panel.Get<ScrollPanelWidget>("HOTKEY_LIST");
 			hotkeyList.Layout = new GridLayout(hotkeyList);
-			var headerTemplate = hotkeyList.Get("HEADER");
-			var template = hotkeyList.Get("TEMPLATE");
-			hotkeyList.RemoveChildren();
+			headerTemplate = hotkeyList.Get("HEADER");
+			template = hotkeyList.Get("TEMPLATE");
+			emptyListMessage = panel.Get("HOTKEY_EMPTY_LIST");
+			remapDialog = panel.Get("HOTKEY_REMAP_DIALOG");
 
-			if (logicArgs.TryGetValue("HotkeyGroups", out var hotkeyGroups))
+			foreach (var hd in modData.Hotkeys.Definitions)
+				contexts.UnionWith(hd.Contexts);
+
+			filterInput = panel.Get<TextFieldWidget>("FILTER_INPUT");
+			filterInput.OnTextEdited = () => InitHotkeyList();
+			filterInput.OnEscKey = _ =>
 			{
-				InitHotkeyRemapDialog(panel);
+				if (string.IsNullOrEmpty(filterInput.Text))
+					filterInput.YieldKeyboardFocus();
+				else
+				{
+					filterInput.Text = "";
+					filterInput.OnTextEdited();
+				}
 
-				foreach (var hg in hotkeyGroups.Nodes)
+				return true;
+			};
+
+			var contextDropdown = panel.GetOrNull<DropDownButtonWidget>("CONTEXT_DROPDOWN");
+			if (contextDropdown != null)
+			{
+				contextDropdown.OnMouseDown = _ => ShowContextDropdown(contextDropdown);
+				var contextName = new CachedTransform<string, string>(GetContextDisplayName);
+				contextDropdown.GetText = () => contextName.Update(currentContext);
+			}
+
+			if (logicArgs.TryGetValue("HotkeyGroups", out var hotkeyGroupsYaml))
+			{
+				foreach (var hg in hotkeyGroupsYaml.Nodes)
 				{
 					var typesNode = hg.Value.Nodes.FirstOrDefault(n => n.Key == "Types");
-					if (typesNode == null)
-						continue;
-
-					var header = headerTemplate.Clone();
-					header.Get<LabelWidget>("LABEL").GetText = () => hg.Key;
-					hotkeyList.AddChild(header);
-
-					var types = FieldLoader.GetValue<string[]>("Types", typesNode.Value.Value);
-					var added = new HashSet<HotkeyDefinition>();
-
-					foreach (var t in types)
-					{
-						foreach (var hd in modData.Hotkeys.Definitions.Where(k => k.Types.Contains(t)))
-						{
-							if (added.Add(hd))
-							{
-								if (selectedHotkeyDefinition == null)
-									selectedHotkeyDefinition = hd;
-
-								BindHotkeyPref(hd, template);
-							}
-						}
-					}
+					if (typesNode != null)
+						hotkeyGroups.Add(hg.Key, FieldLoader.GetValue<HashSet<string>>("Types", typesNode.Value.Value));
 				}
+
+				InitHotkeyRemapDialog(panel);
+				InitHotkeyList();
 			}
 
 			return () =>
 			{
-				hotkeyEntryWidget.Key = modData.Hotkeys[selectedHotkeyDefinition.Name].GetValue();
+				hotkeyEntryWidget.Key =
+					selectedHotkeyDefinition != null ?
+					modData.Hotkeys[selectedHotkeyDefinition.Name].GetValue() :
+					Hotkey.Invalid;
+
 				hotkeyEntryWidget.ForceYieldKeyboardFocus();
 
 				return false;
@@ -144,21 +165,67 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 			};
 		}
 
+		void InitHotkeyList()
+		{
+			hotkeyList.RemoveChildren();
+			selectedHotkeyDefinition = null;
+
+			foreach (var hg in hotkeyGroups)
+			{
+				var typesInGroup = hg.Value;
+				var keysInGroup = modData.Hotkeys.Definitions
+					.Where(hd => IsHotkeyVisibleInFilter(hd) && hd.Types.Overlaps(typesInGroup));
+
+				if (!keysInGroup.Any())
+					continue;
+
+				var header = headerTemplate.Clone();
+				header.Get<LabelWidget>("LABEL").GetText = () => hg.Key;
+				hotkeyList.AddChild(header);
+
+				var added = new HashSet<HotkeyDefinition>();
+
+				foreach (var type in typesInGroup)
+				{
+					foreach (var hd in keysInGroup.Where(k => k.Types.Contains(type)))
+					{
+						if (added.Add(hd))
+						{
+							if (selectedHotkeyDefinition == null)
+								selectedHotkeyDefinition = hd;
+
+							BindHotkeyPref(hd, template);
+						}
+					}
+				}
+			}
+
+			emptyListMessage.Visible = selectedHotkeyDefinition == null;
+			remapDialog.Visible = selectedHotkeyDefinition != null;
+
+			hotkeyList.ScrollToTop();
+		}
+
 		void InitHotkeyRemapDialog(Widget panel)
 		{
-			var label = new CachedTransform<HotkeyDefinition, string>(hd => hd.Description + ":");
-			panel.Get<LabelWidget>("HOTKEY_LABEL").GetText = () => label.Update(selectedHotkeyDefinition);
+			var label = panel.Get<LabelWidget>("HOTKEY_LABEL");
+			var labelText = new CachedTransform<HotkeyDefinition, string>(hd => hd?.Description + ":");
+			label.IsVisible = () => selectedHotkeyDefinition != null;
+			label.GetText = () => labelText.Update(selectedHotkeyDefinition);
 
 			var duplicateNotice = panel.Get<LabelWidget>("DUPLICATE_NOTICE");
 			duplicateNotice.TextColor = ChromeMetrics.Get<Color>("NoticeErrorColor");
 			duplicateNotice.IsVisible = () => !isHotkeyValid;
-			var duplicateNoticeText = new CachedTransform<HotkeyDefinition, string>(hd => hd != null ? duplicateNotice.Text.F(hd.Description) : duplicateNotice.Text);
+			var duplicateNoticeText = new CachedTransform<HotkeyDefinition, string>(hd =>
+				hd != null ?
+				duplicateNotice.Text.F(hd.Description, hd.Contexts.First(c => selectedHotkeyDefinition.Contexts.Contains(c))) :
+				"");
 			duplicateNotice.GetText = () => duplicateNoticeText.Update(duplicateHotkeyDefinition);
 
 			var originalNotice = panel.Get<LabelWidget>("ORIGINAL_NOTICE");
 			originalNotice.TextColor = ChromeMetrics.Get<Color>("NoticeInfoColor");
 			originalNotice.IsVisible = () => isHotkeyValid && !isHotkeyDefault;
-			var originalNoticeText = new CachedTransform<HotkeyDefinition, string>(hd => originalNotice.Text.F(hd.Default.DisplayString()));
+			var originalNoticeText = new CachedTransform<HotkeyDefinition, string>(hd => originalNotice.Text.F(hd?.Default.DisplayString()));
 			originalNotice.GetText = () => originalNoticeText.Update(selectedHotkeyDefinition);
 
 			var resetButton = panel.Get<ButtonWidget>("RESET_HOTKEY_BUTTON");
@@ -188,7 +255,10 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 
 		void ValidateHotkey()
 		{
-			duplicateHotkeyDefinition = modData.Hotkeys.GetFirstDuplicate(selectedHotkeyDefinition.Name, hotkeyEntryWidget.Key, selectedHotkeyDefinition);
+			if (selectedHotkeyDefinition == null)
+				return;
+
+			duplicateHotkeyDefinition = modData.Hotkeys.GetFirstDuplicate(selectedHotkeyDefinition, hotkeyEntryWidget.Key);
 			isHotkeyValid = duplicateHotkeyDefinition == null;
 			isHotkeyDefault = hotkeyEntryWidget.Key == selectedHotkeyDefinition.Default || (!hotkeyEntryWidget.Key.IsValid() && !selectedHotkeyDefinition.Default.IsValid());
 
@@ -231,5 +301,42 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 			Game.Settings.Save();
 			hotkeyEntryWidget.YieldKeyboardFocus();
 		}
+
+		bool IsHotkeyVisibleInFilter(HotkeyDefinition hd)
+		{
+			var filter = filterInput.Text;
+			var isFilteredByName = string.IsNullOrWhiteSpace(filter) || hd.Description.Contains(filter, StringComparison.OrdinalIgnoreCase);
+			var isFilteredByContext = currentContext == "Any" || hd.Contexts.Contains(currentContext);
+
+			return isFilteredByName && isFilteredByContext;
+		}
+
+		bool ShowContextDropdown(DropDownButtonWidget dropdown)
+		{
+			hotkeyEntryWidget.YieldKeyboardFocus();
+
+			var contextName = new CachedTransform<string, string>(GetContextDisplayName);
+			ScrollItemWidget SetupItem(string context, ScrollItemWidget itemTemplate)
+			{
+				var item = ScrollItemWidget.Setup(itemTemplate,
+					() => currentContext == context,
+					() => { currentContext = context; InitHotkeyList(); });
+
+				item.Get<LabelWidget>("LABEL").GetText = () => contextName.Update(context);
+				return item;
+			}
+
+			dropdown.ShowDropDown("LABEL_DROPDOWN_TEMPLATE", 280, contexts, SetupItem);
+
+			return true;
+		}
+
+		static string GetContextDisplayName(string context)
+		{
+			if (string.IsNullOrEmpty(context))
+				return "Any";
+
+			return context;
+		}
 	}
 }

mods/cnc/chrome/settings-hotkeys.yaml

@@ -25,9 +25,31 @@ Container@HOTKEYS_PANEL:
 	Width: PARENT_RIGHT
 	Height: PARENT_BOTTOM
 	Children:
+		Label@FILTER_INPUT_LABEL:
+			Width: 100
+			Height: 25
+			Font: Bold
+			Text: Filter by name:
+		TextField@FILTER_INPUT:
+			X: 108
+			Width: 180
+			Height: 25
+		Label@CONTEXT_DROPDOWN_LABEL:
+			X: PARENT_RIGHT - WIDTH - 195 - 5
+			Width: 100
+			Height: 25
+			Font: Bold
+			Text: Context:
+			Align: Right
+		DropDownButton@CONTEXT_DROPDOWN:
+			X: PARENT_RIGHT - WIDTH
+			Width: 195
+			Height: 25
+			Font: Bold
 		ScrollPanel@HOTKEY_LIST:
+			Y: 35
 			Width: PARENT_RIGHT
-			Height: PARENT_BOTTOM - 65
+			Height: PARENT_BOTTOM - 65 - 35
 			TopBottomSpacing: 5
 			ItemSpacing: 5
 			Children:
@@ -60,64 +82,78 @@ Container@HOTKEYS_PANEL:
 							Width: 90
 							Height: 25
 							TooltipContainer: SETTINGS_TOOLTIP_CONTAINER
-		Background@HOTKEY_DIALOG_ROOT:
+		Container@HOTKEY_EMPTY_LIST:
+			Width: PARENT_RIGHT
+			Height: PARENT_BOTTOM
+			Visible: false
+			Children:
+				Label@HOTKEY_EMPTY_LIST_MESSAGE:
+					Width: PARENT_RIGHT
+					Height: PARENT_BOTTOM
+					Align: Center
+					Text: No hotkeys match the filter criteria.
+		Background@HOTKEY_REMAP_BGND:
 			Y: PARENT_BOTTOM - HEIGHT - 1
 			Width: PARENT_RIGHT
 			Height: 65 + 1
 			Background: panel-gray
 			Children:
-				Label@HOTKEY_LABEL:
-					X: 15
-					Y: 19
-					Width: 200
-					Height: 25
-					Font: Bold
-					Align: Right
-				HotkeyEntry@HOTKEY_ENTRY:
-					X: 15 + 200 + 5
-					Y: 20
-					Width: 220
-					Height: 25
-				Container@NOTICES:
-					X: 15 + 200 + 5
-					Y: 42
-					Width: 220
-					Height: 25
+				Container@HOTKEY_REMAP_DIALOG:
+					Width: PARENT_RIGHT
+					Height: PARENT_BOTTOM
 					Children:
-						Label@ORIGINAL_NOTICE:
-							Width: PARENT_RIGHT
-							Height: PARENT_BOTTOM
-							Font: Tiny
-							Text: The default is "{0}"
-						Label@DUPLICATE_NOTICE:
-							Width: PARENT_RIGHT
-							Height: PARENT_BOTTOM
-							Font: Tiny
-							Text: This is already used for "{0}"
-				Button@OVERRIDE_HOTKEY_BUTTON:
-					X: PARENT_RIGHT - 3 * WIDTH - 30
-					Y: 20
-					Width: 70
-					Height: 25
-					Text: Override
-					Font: Bold
-				Button@CLEAR_HOTKEY_BUTTON:
-					X: PARENT_RIGHT - 2 * WIDTH - 30
-					Y: 20
-					Width: 65
-					Height: 25
-					Text: Clear
-					Font: Bold
-					TooltipText: Unbind the hotkey
-					TooltipContainer: SETTINGS_TOOLTIP_CONTAINER
-					TooltipTemplate: SIMPLE_TOOLTIP
-				Button@RESET_HOTKEY_BUTTON:
-					X: PARENT_RIGHT - WIDTH - 20
-					Y: 20
-					Width: 65
-					Height: 25
-					Text: Reset
-					Font: Bold
-					TooltipText: Reset to default
-					TooltipContainer: SETTINGS_TOOLTIP_CONTAINER
-					TooltipTemplate: SIMPLE_TOOLTIP
+						Label@HOTKEY_LABEL:
+							X: 15
+							Y: 19
+							Width: 200
+							Height: 25
+							Font: Bold
+							Align: Right
+						HotkeyEntry@HOTKEY_ENTRY:
+							X: 15 + 200 + 5
+							Y: 20
+							Width: 220
+							Height: 25
+						Container@NOTICES:
+							X: 15 + 200 + 5
+							Y: 42
+							Width: 220
+							Height: 25
+							Children:
+								Label@ORIGINAL_NOTICE:
+									Width: PARENT_RIGHT
+									Height: PARENT_BOTTOM
+									Font: Tiny
+									Text: The default is "{0}"
+								Label@DUPLICATE_NOTICE:
+									Width: PARENT_RIGHT
+									Height: PARENT_BOTTOM
+									Font: Tiny
+									Text: This is already used for "{0}" in the {1} context
+						Button@OVERRIDE_HOTKEY_BUTTON:
+							X: PARENT_RIGHT - 3 * WIDTH - 30
+							Y: 20
+							Width: 70
+							Height: 25
+							Text: Override
+							Font: Bold
+						Button@CLEAR_HOTKEY_BUTTON:
+							X: PARENT_RIGHT - 2 * WIDTH - 30
+							Y: 20
+							Width: 65
+							Height: 25
+							Text: Clear
+							Font: Bold
+							TooltipText: Unbind the hotkey
+							TooltipContainer: SETTINGS_TOOLTIP_CONTAINER
+							TooltipTemplate: SIMPLE_TOOLTIP
+						Button@RESET_HOTKEY_BUTTON:
+							X: PARENT_RIGHT - WIDTH - 20
+							Y: 20
+							Width: 65
+							Height: 25
+							Text: Reset
+							Font: Bold
+							TooltipText: Reset to default
+							TooltipContainer: SETTINGS_TOOLTIP_CONTAINER
+							TooltipTemplate: SIMPLE_TOOLTIP

mods/common/chrome/settings-hotkeys.yaml

@@ -25,9 +25,31 @@ Container@HOTKEYS_PANEL:
 	Width: PARENT_RIGHT
 	Height: PARENT_BOTTOM
 	Children:
+		Label@FILTER_INPUT_LABEL:
+			Width: 100
+			Height: 25
+			Font: Bold
+			Text: Filter by name:
+		TextField@FILTER_INPUT:
+			X: 108
+			Width: 180
+			Height: 25
+		Label@CONTEXT_DROPDOWN_LABEL:
+			X: PARENT_RIGHT - WIDTH - 195 - 5
+			Width: 100
+			Height: 25
+			Font: Bold
+			Text: Context:
+			Align: Right
+		DropDownButton@CONTEXT_DROPDOWN:
+			X: PARENT_RIGHT - WIDTH
+			Width: 195
+			Height: 25
+			Font: Bold
 		ScrollPanel@HOTKEY_LIST:
+			Y: 35
 			Width: PARENT_RIGHT
-			Height: PARENT_BOTTOM - 65
+			Height: PARENT_BOTTOM - 65 - 35
 			TopBottomSpacing: 5
 			ItemSpacing: 5
 			Children:
@@ -60,64 +82,78 @@ Container@HOTKEYS_PANEL:
 							Width: 120
 							Height: 25
 							TooltipContainer: SETTINGS_TOOLTIP_CONTAINER
-		Background@HOTKEY_DIALOG_ROOT:
+		Container@HOTKEY_EMPTY_LIST:
+			Width: PARENT_RIGHT
+			Height: PARENT_BOTTOM
+			Visible: false
+			Children:
+				Label@HOTKEY_EMPTY_LIST_MESSAGE:
+					Width: PARENT_RIGHT
+					Height: PARENT_BOTTOM
+					Align: Center
+					Text: No hotkeys match the filter criteria.
+		Background@HOTKEY_REMAP_BGND:
 			Y: PARENT_BOTTOM - HEIGHT
 			Width: PARENT_RIGHT
 			Height: 65
 			Background: dialog3
 			Children:
-				Label@HOTKEY_LABEL:
-					X: 15
-					Y: 19
-					Width: 200
-					Height: 25
-					Font: Bold
-					Align: Right
-				HotkeyEntry@HOTKEY_ENTRY:
-					X: 15 + 200 + 5
-					Y: 20
-					Width: 300
-					Height: 25
-				Container@NOTICES:
-					X: 15 + 200 + 5
-					Y: 42
-					Width: 300
-					Height: 25
+				Container@HOTKEY_REMAP_DIALOG:
+					Width: PARENT_RIGHT
+					Height: PARENT_BOTTOM
 					Children:
-						Label@ORIGINAL_NOTICE:
-							Width: PARENT_RIGHT
-							Height: PARENT_BOTTOM
-							Font: Tiny
-							Text: The default is "{0}"
-						Label@DUPLICATE_NOTICE:
-							Width: PARENT_RIGHT
-							Height: PARENT_BOTTOM
-							Font: Tiny
-							Text: This is already used for "{0}"
-				Button@OVERRIDE_HOTKEY_BUTTON:
-					X: PARENT_RIGHT - 3 * WIDTH - 30
-					Y: 20
-					Width: 70
-					Height: 25
-					Text: Override
-					Font: Bold
-				Button@CLEAR_HOTKEY_BUTTON:
-					X: PARENT_RIGHT - 2 * WIDTH - 30
-					Y: 20
-					Width: 65
-					Height: 25
-					Text: Clear
-					Font: Bold
-					TooltipText: Unbind the hotkey
-					TooltipContainer: SETTINGS_TOOLTIP_CONTAINER
-					TooltipTemplate: SIMPLE_TOOLTIP
-				Button@RESET_HOTKEY_BUTTON:
-					X: PARENT_RIGHT - WIDTH - 20
-					Y: 20
-					Width: 65
-					Height: 25
-					Text: Reset
-					Font: Bold
-					TooltipText: Reset to default
-					TooltipContainer: SETTINGS_TOOLTIP_CONTAINER
-					TooltipTemplate: SIMPLE_TOOLTIP
+						Label@HOTKEY_LABEL:
+							X: 15
+							Y: 19
+							Width: 200
+							Height: 25
+							Font: Bold
+							Align: Right
+						HotkeyEntry@HOTKEY_ENTRY:
+							X: 15 + 200 + 5
+							Y: 20
+							Width: 300
+							Height: 25
+						Container@NOTICES:
+							X: 15 + 200 + 5
+							Y: 42
+							Width: 300
+							Height: 25
+							Children:
+								Label@ORIGINAL_NOTICE:
+									Width: PARENT_RIGHT
+									Height: PARENT_BOTTOM
+									Font: Tiny
+									Text: The default is "{0}"
+								Label@DUPLICATE_NOTICE:
+									Width: PARENT_RIGHT
+									Height: PARENT_BOTTOM
+									Font: Tiny
+									Text: This is already used for "{0}" in the {1} context
+						Button@OVERRIDE_HOTKEY_BUTTON:
+							X: PARENT_RIGHT - 3 * WIDTH - 30
+							Y: 20
+							Width: 70
+							Height: 25
+							Text: Override
+							Font: Bold
+						Button@CLEAR_HOTKEY_BUTTON:
+							X: PARENT_RIGHT - 2 * WIDTH - 30
+							Y: 20
+							Width: 65
+							Height: 25
+							Text: Clear
+							Font: Bold
+							TooltipText: Unbind the hotkey
+							TooltipContainer: SETTINGS_TOOLTIP_CONTAINER
+							TooltipTemplate: SIMPLE_TOOLTIP
+						Button@RESET_HOTKEY_BUTTON:
+							X: PARENT_RIGHT - WIDTH - 20
+							Y: 20
+							Width: 65
+							Height: 25
+							Text: Reset
+							Font: Bold
+							TooltipText: Reset to default
+							TooltipContainer: SETTINGS_TOOLTIP_CONTAINER
+							TooltipTemplate: SIMPLE_TOOLTIP

mods/ts/chrome/settings-hotkeys.yaml

@@ -27,9 +27,31 @@ Container@HOTKEYS_PANEL:
 	Width: PARENT_RIGHT
 	Height: PARENT_BOTTOM
 	Children:
+		Label@FILTER_INPUT_LABEL:
+			Width: 100
+			Height: 25
+			Font: Bold
+			Text: Filter by name:
+		TextField@FILTER_INPUT:
+			X: 108
+			Width: 180
+			Height: 25
+		Label@CONTEXT_DROPDOWN_LABEL:
+			X: PARENT_RIGHT - WIDTH - 195 - 5
+			Width: 100
+			Height: 25
+			Font: Bold
+			Text: Context:
+			Align: Right
+		DropDownButton@CONTEXT_DROPDOWN:
+			X: PARENT_RIGHT - WIDTH
+			Width: 195
+			Height: 25
+			Font: Bold
 		ScrollPanel@HOTKEY_LIST:
+			Y: 35
 			Width: PARENT_RIGHT
-			Height: PARENT_BOTTOM - 65
+			Height: PARENT_BOTTOM - 65 - 35
 			TopBottomSpacing: 5
 			ItemSpacing: 5
 			Children:
@@ -62,64 +84,78 @@ Container@HOTKEYS_PANEL:
 							Width: 120
 							Height: 25
 							TooltipContainer: SETTINGS_TOOLTIP_CONTAINER
-		Background@HOTKEY_DIALOG_ROOT:
+		Container@HOTKEY_EMPTY_LIST:
+			Width: PARENT_RIGHT
+			Height: PARENT_BOTTOM
+			Visible: false
+			Children:
+				Label@HOTKEY_EMPTY_LIST_MESSAGE:
+					Width: PARENT_RIGHT
+					Height: PARENT_BOTTOM
+					Align: Center
+					Text: No hotkeys match the filter criteria.
+		Background@HOTKEY_REMAP_BGND:
 			Y: PARENT_BOTTOM - HEIGHT
 			Width: PARENT_RIGHT
 			Height: 65
 			Background: dialog3
 			Children:
-				Label@HOTKEY_LABEL:
-					X: 15
-					Y: 19
-					Width: 200
-					Height: 25
-					Font: Bold
-					Align: Right
-				HotkeyEntry@HOTKEY_ENTRY:
-					X: 15 + 200 + 5
-					Y: 20
-					Width: 300
-					Height: 25
-				Container@NOTICES:
-					X: 15 + 200 + 5
-					Y: 42
-					Width: 300
-					Height: 25
+				Container@HOTKEY_REMAP_DIALOG:
+					Width: PARENT_RIGHT
+					Height: PARENT_BOTTOM
 					Children:
-						Label@ORIGINAL_NOTICE:
-							Width: PARENT_RIGHT
-							Height: PARENT_BOTTOM
-							Font: Tiny
-							Text: The default is "{0}"
-						Label@DUPLICATE_NOTICE:
-							Width: PARENT_RIGHT
-							Height: PARENT_BOTTOM
-							Font: Tiny
-							Text: This is already used for "{0}"
-				Button@OVERRIDE_HOTKEY_BUTTON:
-					X: PARENT_RIGHT - 3 * WIDTH - 30
-					Y: 20
-					Width: 70
-					Height: 25
-					Text: Override
-					Font: Bold
-				Button@CLEAR_HOTKEY_BUTTON:
-					X: PARENT_RIGHT - 2 * WIDTH - 30
-					Y: 20
-					Width: 65
-					Height: 25
-					Text: Clear
-					Font: Bold
-					TooltipText: Unbind the hotkey
-					TooltipContainer: SETTINGS_TOOLTIP_CONTAINER
-					TooltipTemplate: SIMPLE_TOOLTIP
-				Button@RESET_HOTKEY_BUTTON:
-					X: PARENT_RIGHT - WIDTH - 20
-					Y: 20
-					Width: 65
-					Height: 25
-					Text: Reset
-					Font: Bold
-					TooltipText: Reset to default
-					TooltipContainer: SETTINGS_TOOLTIP_CONTAINER
-					TooltipTemplate: SIMPLE_TOOLTIP
+						Label@HOTKEY_LABEL:
+							X: 15
+							Y: 19
+							Width: 200
+							Height: 25
+							Font: Bold
+							Align: Right
+						HotkeyEntry@HOTKEY_ENTRY:
+							X: 15 + 200 + 5
+							Y: 20
+							Width: 300
+							Height: 25
+						Container@NOTICES:
+							X: 15 + 200 + 5
+							Y: 42
+							Width: 300
+							Height: 25
+							Children:
+								Label@ORIGINAL_NOTICE:
+									Width: PARENT_RIGHT
+									Height: PARENT_BOTTOM
+									Font: Tiny
+									Text: The default is "{0}"
+								Label@DUPLICATE_NOTICE:
+									Width: PARENT_RIGHT
+									Height: PARENT_BOTTOM
+									Font: Tiny
+									Text: This is already used for "{0}" in the {1} context
+						Button@OVERRIDE_HOTKEY_BUTTON:
+							X: PARENT_RIGHT - 3 * WIDTH - 30
+							Y: 20
+							Width: 70
+							Height: 25
+							Text: Override
+							Font: Bold
+						Button@CLEAR_HOTKEY_BUTTON:
+							X: PARENT_RIGHT - 2 * WIDTH - 30
+							Y: 20
+							Width: 65
+							Height: 25
+							Text: Clear
+							Font: Bold
+							TooltipText: Unbind the hotkey
+							TooltipContainer: SETTINGS_TOOLTIP_CONTAINER
+							TooltipTemplate: SIMPLE_TOOLTIP
+						Button@RESET_HOTKEY_BUTTON:
+							X: PARENT_RIGHT - WIDTH - 20
+							Y: 20
+							Width: 65
+							Height: 25
+							Text: Reset
+							Font: Bold
+							TooltipText: Reset to default
+							TooltipContainer: SETTINGS_TOOLTIP_CONTAINER
+							TooltipTemplate: SIMPLE_TOOLTIP