Fix tutorial bug

Import/GacUI.cpp

@@ -21322,6 +21322,23 @@ GuiRibbonGroup
 				dropdownMenu->SetControlTemplate(ct->GetSubMenuTemplate());
 			}
 
+			bool GuiRibbonGroup::IsAltAvailable()
+			{
+				return alt != L"";
+			}
+
+			compositions::IGuiAltActionHost* GuiRibbonGroup::GetActivatingAltHost()
+			{
+				if (IsAltAvailable())
+				{
+					return this;
+				}
+				else
+				{
+					return GuiControl::GetActivatingAltHost();
+				}
+			}
+
 			void GuiRibbonGroup::OnBoundsChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
 			{
 				dropdownMenu->GetBoundsComposition()->SetPreferredMinSize(Size(0, containerComposition->GetBounds().Height()));
@@ -21377,6 +21394,9 @@ GuiRibbonGroup
 				:GuiControl(themeName)
 				, items(this)
 			{
+				SetAltComposition(boundsComposition);
+				SetAltControl(this, false);
+
 				commandExecutor = new CommandExecutor(this);
 				{
 					stack = new GuiStackComposition();

Import/GacUI.h

@@ -18855,7 +18855,7 @@ Ribbon Containers
 			};
 
 			/// <summary>Ribbon group control, adding to the Groups property of a <see cref="GuiRibbonTabPage"/>.</summary>
-			class GuiRibbonGroup : public GuiControl, public Description<GuiRibbonGroup>
+			class GuiRibbonGroup : public GuiControl, protected compositions::GuiAltActionHostBase, public Description<GuiRibbonGroup>
 			{
 				friend class GuiRibbonGroupItemCollection;
 				GUI_SPECIFY_CONTROL_TEMPLATE_TYPE(RibbonGroupTemplate, GuiControl)
@@ -18885,6 +18885,8 @@ Ribbon Containers
 				GuiToolstripButton*									dropdownButton = nullptr;
 				GuiMenu*											dropdownMenu = nullptr;
 
+				bool												IsAltAvailable()override;
+				compositions::IGuiAltActionHost*					GetActivatingAltHost()override;
 				void												OnBoundsChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments);
 				void												OnTextChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments);
 				void												OnBeforeSwitchingView(compositions::GuiGraphicsComposition* sender, compositions::GuiItemEventArgs& arguments);

TODO.md

@@ -12,7 +12,6 @@ https://zhuanlan.zhihu.com/p/39369370
   - **DocumentEditor**: When a document's height is smaller than the control, the lower part cannot click to interact with the last line.
   - **DocumentEditor**: In default font, the lower part of "g" in the last line is clipped, not rendered properly.
   - **DocumentEditorRibbon**: The dropdown menu for ribbon gallery cannot be properly resized by dragging the resize bar.
-  - **ALT Sequence** ribbon group needs to behave like menu item to implement `GetActivatingAltHost`.
 
 - **Github Issues**
   - https://github.com/vczh-libraries/GacUI/issues/66

Tutorial/GacUI_ControlTemplate/BlackSkin/UI/FullControlTest/DocumentEditorRibbon.xml

@@ -252,7 +252,7 @@
               <RibbonTabPage Text="Edit" Alt="E">
                 <att.ContainerComposition-set PreferredMinSize="y:110"/>
                 <att.Groups>
-                  <RibbonGroup Text="Alignment" Expandable="true" LargeImage-uri="res://ToolbarImages/EditableLarge">
+                  <RibbonGroup Text="Alignment" Expandable="true" LargeImage-uri="res://ToolbarImages/EditableLarge" Alt="A">
                     <ev.ExpandButtonClicked-eval>
                       <![CDATA[
                         {
@@ -280,7 +280,7 @@
                     </att.Items>
                   </RibbonGroup>
 
-                  <RibbonGroup Text="Edit" LargeImage-uri="res://ToolbarImages/PasteLarge">
+                  <RibbonGroup Text="Edit" LargeImage-uri="res://ToolbarImages/PasteLarge" Alt="E">
                     <att.Items>
                       <RibbonButtons MaxSize="Large" MinSize="Icon">
                         <att.Buttons>
@@ -301,7 +301,7 @@
                     </att.Items>
                   </RibbonGroup>
 
-                  <RibbonGroup Text="Text">
+                  <RibbonGroup Text="Text" Alt="T">
                     <att.Items>
                       <RibbonToolstrips>
                         <att.Groups>
@@ -327,7 +327,7 @@
                     </att.Items>
                   </RibbonGroup>
 
-                  <RibbonGroup Text="Icon Labels">
+                  <RibbonGroup Text="Icon Labels" Alt="I">
                     <att.Items>
                       <RibbonButtons MaxSize="Small" MinSize="Icon">
                         <att.Buttons>
@@ -371,7 +371,7 @@
                     </att.Items>
                   </RibbonGroup>
 
-                  <RibbonGroup Text="Style" LargeImage-uri="res://ToolbarImages/EditableLarge">
+                  <RibbonGroup Text="Style" LargeImage-uri="res://ToolbarImages/EditableLarge" Alt="S">
                     <att.Items>
                       <BindableRibbonGalleryList ref.Name="styleGallery" ItemTemplate="demo:StyleItemTemplate" MinCount="2" MaxCount="5" VisibleItemCount="5" env.ItemType="demo::StyleGroup^">
                         <att.ItemSource-bind>self.StyleGroups</att.ItemSource-bind>

Tutorial/GacUI_ControlTemplate/BlackSkin/UI/FullControlTest/Source/DemoPartialClasses.cpp

@@ -15266,6 +15266,9 @@ Class (::demo::DocumentEditorRibbonConstructor)
 			auto __vwsn_collection_ = ::vl::__vwsn::UnboxCollection<::vl::reflection::description::IValueList>(::vl::__vwsn::This(this->__vwsn_precompile_12)->GetItems());
 			::vl::__vwsn::This(__vwsn_collection_.Obj())->Add(::vl::__vwsn::Box(this->__vwsn_precompile_19));
 		}
+		{
+			::vl::__vwsn::This(this->__vwsn_precompile_12)->SetAlt(::vl::WString(L"A", false));
+		}
 		{
 			::vl::__vwsn::This(this->__vwsn_precompile_12)->SetText(::vl::WString(L"Alignment", false));
 		}
@@ -15364,6 +15367,9 @@ Class (::demo::DocumentEditorRibbonConstructor)
 			auto __vwsn_collection_ = ::vl::__vwsn::UnboxCollection<::vl::reflection::description::IValueList>(::vl::__vwsn::This(this->__vwsn_precompile_23)->GetItems());
 			::vl::__vwsn::This(__vwsn_collection_.Obj())->Add(::vl::__vwsn::Box(this->__vwsn_precompile_33));
 		}
+		{
+			::vl::__vwsn::This(this->__vwsn_precompile_23)->SetAlt(::vl::WString(L"E", false));
+		}
 		{
 			::vl::__vwsn::This(this->__vwsn_precompile_23)->SetText(::vl::WString(L"Edit", false));
 		}
@@ -15490,6 +15496,9 @@ Class (::demo::DocumentEditorRibbonConstructor)
 			auto __vwsn_collection_ = ::vl::__vwsn::UnboxCollection<::vl::reflection::description::IValueList>(::vl::__vwsn::This(this->__vwsn_precompile_34)->GetItems());
 			::vl::__vwsn::This(__vwsn_collection_.Obj())->Add(::vl::__vwsn::Box(this->__vwsn_precompile_35));
 		}
+		{
+			::vl::__vwsn::This(this->__vwsn_precompile_34)->SetAlt(::vl::WString(L"T", false));
+		}
 		{
 			::vl::__vwsn::This(this->__vwsn_precompile_34)->SetText(::vl::WString(L"Text", false));
 		}
@@ -15677,6 +15686,9 @@ Class (::demo::DocumentEditorRibbonConstructor)
 			auto __vwsn_collection_ = ::vl::__vwsn::UnboxCollection<::vl::reflection::description::IValueList>(::vl::__vwsn::This(this->__vwsn_precompile_49)->GetItems());
 			::vl::__vwsn::This(__vwsn_collection_.Obj())->Add(::vl::__vwsn::Box(this->__vwsn_precompile_61));
 		}
+		{
+			::vl::__vwsn::This(this->__vwsn_precompile_49)->SetAlt(::vl::WString(L"I", false));
+		}
 		{
 			::vl::__vwsn::This(this->__vwsn_precompile_49)->SetText(::vl::WString(L"Icon Labels", false));
 		}
@@ -15785,6 +15797,9 @@ Class (::demo::DocumentEditorRibbonConstructor)
 			auto __vwsn_collection_ = ::vl::__vwsn::UnboxCollection<::vl::reflection::description::IValueList>(::vl::__vwsn::This(this->__vwsn_precompile_71)->GetItems());
 			::vl::__vwsn::This(__vwsn_collection_.Obj())->Add(::vl::__vwsn::Box(this->styleGallery));
 		}
+		{
+			::vl::__vwsn::This(this->__vwsn_precompile_71)->SetAlt(::vl::WString(L"S", false));
+		}
 		{
 			::vl::__vwsn::This(this->__vwsn_precompile_71)->SetText(::vl::WString(L"Style", false));
 		}

Tutorial/GacUI_Controls/DocumentEditorRibbon/UI/Source/EditorRibbonPartialClasses.cpp

@@ -1291,6 +1291,9 @@ namespace demo
 		{
 			::vl::__vwsn::This(this->__vwsn_precompile_21)->SetExpandable(true);
 		}
+		{
+			::vl::__vwsn::This(this->__vwsn_precompile_21)->SetAlt(::vl::WString(L"A", false));
+		}
 		{
 			::vl::__vwsn::This(this->__vwsn_precompile_21)->SetText(::vl::WString(L"Alignment", false));
 		}
@@ -1389,6 +1392,9 @@ namespace demo
 			auto __vwsn_collection_ = ::vl::__vwsn::UnboxCollection<::vl::reflection::description::IValueList>(::vl::__vwsn::This(this->__vwsn_precompile_32)->GetItems());
 			::vl::__vwsn::This(__vwsn_collection_.Obj())->Add(::vl::__vwsn::Box(this->__vwsn_precompile_42));
 		}
+		{
+			::vl::__vwsn::This(this->__vwsn_precompile_32)->SetAlt(::vl::WString(L"E", false));
+		}
 		{
 			::vl::__vwsn::This(this->__vwsn_precompile_32)->SetText(::vl::WString(L"Edit", false));
 		}
@@ -1515,6 +1521,9 @@ namespace demo
 			auto __vwsn_collection_ = ::vl::__vwsn::UnboxCollection<::vl::reflection::description::IValueList>(::vl::__vwsn::This(this->__vwsn_precompile_43)->GetItems());
 			::vl::__vwsn::This(__vwsn_collection_.Obj())->Add(::vl::__vwsn::Box(this->__vwsn_precompile_44));
 		}
+		{
+			::vl::__vwsn::This(this->__vwsn_precompile_43)->SetAlt(::vl::WString(L"T", false));
+		}
 		{
 			::vl::__vwsn::This(this->__vwsn_precompile_43)->SetText(::vl::WString(L"Text", false));
 		}
@@ -1702,6 +1711,9 @@ namespace demo
 			auto __vwsn_collection_ = ::vl::__vwsn::UnboxCollection<::vl::reflection::description::IValueList>(::vl::__vwsn::This(this->__vwsn_precompile_58)->GetItems());
 			::vl::__vwsn::This(__vwsn_collection_.Obj())->Add(::vl::__vwsn::Box(this->__vwsn_precompile_70));
 		}
+		{
+			::vl::__vwsn::This(this->__vwsn_precompile_58)->SetAlt(::vl::WString(L"I", false));
+		}
 		{
 			::vl::__vwsn::This(this->__vwsn_precompile_58)->SetText(::vl::WString(L"Icon Labels", false));
 		}
@@ -1810,6 +1822,9 @@ namespace demo
 			auto __vwsn_collection_ = ::vl::__vwsn::UnboxCollection<::vl::reflection::description::IValueList>(::vl::__vwsn::This(this->__vwsn_precompile_80)->GetItems());
 			::vl::__vwsn::This(__vwsn_collection_.Obj())->Add(::vl::__vwsn::Box(this->styleGallery));
 		}
+		{
+			::vl::__vwsn::This(this->__vwsn_precompile_80)->SetAlt(::vl::WString(L"S", false));
+		}
 		{
 			::vl::__vwsn::This(this->__vwsn_precompile_80)->SetText(::vl::WString(L"Style", false));
 		}