feat(PluginInstaller): add Changelog tab

Dalamud/Interface/Internal/PluginCategoryManager.cs

@@ -39,6 +39,7 @@ namespace Dalamud.Interface.Internal
             new(GroupKind.DevTools, () => Locs.Group_DevTools, 10, 11),
             new(GroupKind.Installed, () => Locs.Group_Installed, 0),
             new(GroupKind.Available, () => Locs.Group_Available, 0),
+            new(GroupKind.Changelog, () => Locs.Group_Changelog, 0),
 
             // order important, used for drawing, keep in sync with defaults for currentGroupIdx
         };
@@ -69,6 +70,11 @@ namespace Dalamud.Interface.Internal
             /// UI group: plugins that can be installed.
             /// </summary>
             Available,
+
+            /// <summary>
+            /// UI group: changelog of plugins.
+            /// </summary>
+            Changelog,
         }
 
         /// <summary>
@@ -374,6 +380,8 @@ namespace Dalamud.Interface.Internal
 
             public static string Group_Available => Loc.Localize("InstallerAllPlugins", "All Plugins");
 
+            public static string Group_Changelog => Loc.Localize("InstallerChangelog", "Changelog");
+
             #endregion
 
             #region Categories

Dalamud/Interface/Internal/Windows/PluginInstallerWindow.cs

@@ -510,6 +510,37 @@ namespace Dalamud.Interface.Internal.Windows
         }
         */
 
+        private void DrawChangelogList()
+        {
+            if (this.pluginListInstalled.Count == 0)
+            {
+                ImGui.TextColored(ImGuiColors.DalamudGrey, Locs.TabBody_SearchNoInstalled);
+                return;
+            }
+
+            var filteredList = this.pluginListInstalled
+                                   .Where(plugin => !this.IsManifestFiltered(plugin.Manifest)
+                                                    && !plugin.Manifest.Changelog.IsNullOrEmpty())
+                                   .OrderByDescending(plugin => plugin.Manifest.LastUpdate)
+                                   .ToList();
+
+            if (!filteredList.Any())
+            {
+                ImGui.TextColored(
+                    ImGuiColors.DalamudGrey2,
+                    this.pluginListInstalled.Any(plugin => !plugin.Manifest.Changelog.IsNullOrEmpty())
+                      ? Locs.TabBody_SearchNoMatching
+                      : Locs.TabBody_ChangelogNone);
+
+                return;
+            }
+
+            foreach (var plugin in filteredList)
+            {
+                this.DrawChangelog(plugin);
+            }
+        }
+
         private void DrawAvailablePluginList()
         {
             var pluginList = this.pluginListAvailable;
@@ -728,8 +759,9 @@ namespace Dalamud.Interface.Internal.Windows
                 }
             }
 
-            if (groupInfo.GroupKind == PluginCategoryManager.GroupKind.DevTools)
+            switch (groupInfo.GroupKind)
             {
+                case PluginCategoryManager.GroupKind.DevTools:
                     // this one is never sorted and remains in hardcoded order from group ctor
                     switch (this.categoryManager.CurrentCategoryIdx)
                     {
@@ -745,14 +777,17 @@ namespace Dalamud.Interface.Internal.Windows
                             // umm, there's nothing else, keep handled set and just skip drawing...
                             break;
                     }
-            }
+
-            else if (groupInfo.GroupKind == PluginCategoryManager.GroupKind.Installed)
+                    break;
-            {
+                case PluginCategoryManager.GroupKind.Installed:
                     this.DrawInstalledPluginList();
-            }
+                    break;
-            else
+                case PluginCategoryManager.GroupKind.Changelog:
-            {
+                    this.DrawChangelogList();
+                    break;
+                default:
                     this.DrawAvailablePluginList();
+                    break;
             }
 
             ImGui.PopStyleVar();
@@ -1167,6 +1202,52 @@ namespace Dalamud.Interface.Internal.Windows
             return isOpen;
         }
 
+        private void DrawChangelog(LocalPlugin plugin)
+        {
+            ImGui.Separator();
+
+            var startCursor = ImGui.GetCursorPos();
+
+            var iconTex = this.imageCache.DefaultIcon;
+            var hasIcon = this.imageCache.TryGetIcon(plugin, plugin.Manifest, plugin.Manifest.IsThirdParty, out var cachedIconTex);
+            if (hasIcon && cachedIconTex != null)
+            {
+                iconTex = cachedIconTex;
+            }
+
+            var iconSize = ImGuiHelpers.ScaledVector2(64, 64);
+
+            ImGui.Image(iconTex.ImGuiHandle, iconSize);
+            ImGui.SameLine();
+
+            ImGuiHelpers.ScaledDummy(5);
+
+            ImGui.SameLine();
+            var cursor = ImGui.GetCursorPos();
+            ImGui.Text(plugin.Name);
+
+            ImGui.SameLine();
+            var version = plugin.AssemblyName?.Version;
+            version ??= plugin.Manifest.Testing
+                            ? plugin.Manifest.TestingAssemblyVersion
+                            : plugin.Manifest.AssemblyVersion;
+            ImGui.TextColored(ImGuiColors.DalamudGrey3, $" v{version}");
+
+            cursor.Y += ImGui.GetTextLineHeightWithSpacing();
+            ImGui.SetCursorPos(cursor);
+
+            ImGui.TextWrapped(plugin.Manifest.Changelog);
+
+            var endCursor = ImGui.GetCursorPos();
+
+            var sectionSize = Math.Max(
+                66 * ImGuiHelpers.GlobalScale, // min size due to icons
+                endCursor.Y - startCursor.Y);
+
+            startCursor.Y += sectionSize;
+            ImGui.SetCursorPos(startCursor);
+        }
+
         private void DrawAvailablePlugin(RemotePluginManifest manifest, int index)
         {
             var configuration = Service<DalamudConfiguration>.Get();
@@ -2126,6 +2207,8 @@ namespace Dalamud.Interface.Internal.Windows
 
             public static string TabBody_SearchNoInstalled => Loc.Localize("InstallerNoInstalled", "No plugins are currently installed. You can install them from the \"All Plugins\" tab.");
 
+            public static string TabBody_ChangelogNone => Loc.Localize("InstallerNoChangelog", "None of your installed plugins have a changelog.");
+
             #endregion
 
             #region Plugin title text