Add search box to theme list view

Author: t1m0thyj

CHANGELOG.md

@@ -1,5 +1,18 @@
 # Changelog
 
+## Recent Changes
+
+### Enhancements
+
+* Added Tahoe Abstract theme
+* Updated to .NET 10 which enables dark mode across entire application ([#553](https://github.com/t1m0thyj/WinDynamicDesktop/issues/553))
+
+### Bug Fixes
+
+* Reduced impact on Windows startup time ([#645](https://github.com/t1m0thyj/WinDynamicDesktop/issues/645))
+* Fixed error when applying "None" wallpaper theme ([#652](https://github.com/t1m0thyj/WinDynamicDesktop/issues/652))
+* Fixed wallpaper not always refreshing when PC resumes from sleep ([#657](https://github.com/t1m0thyj/WinDynamicDesktop/issues/657))
+
 ## `5.6.1`
 
 **Note:** PowerShell scripts that update Windows theme have been fixed to work with Windows 11 (thanks @KrakenByte27). Download the latest scripts from [here](https://github.com/t1m0thyj/WDD-scripts/tree/master/stable#readme).

src/ThemeDialog.cs

@@ -13,7 +13,6 @@
 using System.Windows.Forms;
 using WinDynamicDesktop.Properties;
 
-#pragma warning disable SYSLIB5002
 namespace WinDynamicDesktop
 {
     public partial class ThemeDialog : Form
@@ -34,8 +33,10 @@ public ThemeDialog()
             Localization.TranslateForm(this);
             this.themeLinkLabel.Left += (this.importButton.Width - oldButtonWidth);
 
+#pragma warning disable SYSLIB5002
             this.searchBoxButton.BackgroundImage = SystemColors.UseAlternativeColorSet ?
                 Resources.IconSearch_Dark : Resources.IconSearch_Light;
+#pragma warning restore SYSLIB5002
             this.themeLinkLabel.LinkColor = SystemColors.HotTrack;
 
             this.FormClosing += OnFormClosing;
@@ -187,6 +188,11 @@ private void UpdateSelectedItem()
         {
             if (listView1.SelectedItems.Count == 0)
             {
+                if (listView1.Items.Count == 0)
+                {
+                    previewer.ViewModel.PreviewTheme(null, null,
+                        ThemeThumbLoader.GetWindowsWallpaper(IsLockScreenSelected));
+                }
                 applyButton.Enabled = false;
                 return;
             }
@@ -195,7 +201,7 @@ private void UpdateSelectedItem()
             bool themeDownloaded = true;
             ThemeConfig theme = null;
 
-            if (selectedIndex > 0)
+            if (listView1.Items[selectedIndex].Tag != null)
             {
                 string themeId = (string)listView1.Items[selectedIndex].Tag;
                 selectedIndex = ThemeManager.themeSettings.FindIndex(t => t.themeId == themeId) + 1;
@@ -262,19 +268,21 @@ private void ThemeDialog_Load(object sender, EventArgs e)
 
         private void searchBox_TextChanged(object sender, EventArgs e)
         {
-            // TODO do actual filtering
+#pragma warning disable SYSLIB5002
             if (string.IsNullOrWhiteSpace(searchBox.Text))
             {
                 this.searchBoxButton.BackgroundImage = SystemColors.UseAlternativeColorSet ?
                     Resources.IconSearch_Dark : Resources.IconSearch_Light;
-                //ThemeDialogUtils.ClearSearchFilter(listView1);
             }
             else
             {
                 this.searchBoxButton.BackgroundImage = SystemColors.UseAlternativeColorSet ?
                     Resources.IconDismiss_Dark : Resources.IconDismiss_Light;
-                //ThemeDialogUtils.ApplySearchFilter(listView1, searchBox.Text);
             }
+#pragma warning restore SYSLIB5002
+
+            ThemeDialogUtils.ApplySearchFilter(listView1, searchBox.Text);
+            UpdateSelectedItem();
         }
 
         private void searchBoxButton_Click(object sender, EventArgs e)
@@ -395,14 +403,14 @@ private void contextMenuStrip1_Opening(object sender, CancelEventArgs e)
                 e.Cancel = true;
                 return;
             }
-            else if (itemIndex > 0)
+            else if (listView1.Items[itemIndex].Tag != null)
             {
                 themeId = (string)listView1.Items[itemIndex].Tag;
                 theme = ThemeManager.themeSettings.Find(t => t.themeId == themeId);
             }
 
             bool isWindowsTheme = themeId == DefaultThemes.GetWindowsTheme()?.themeId;
-            contextMenuStrip1.Items[0].Enabled = itemIndex > 0;
+            contextMenuStrip1.Items[0].Enabled = theme != null;
             contextMenuStrip1.Items[1].Enabled = theme != null && ThemeManager.IsThemeDownloaded(theme) &&
                 !isWindowsTheme;
 

src/ThemeDialogUtils.cs

@@ -29,6 +29,7 @@ public ThemeLoadOpts(string activeTheme = null, string focusTheme = null)
     internal class ThemeDialogUtils
     {
         private static readonly Func<string, string> _ = Localization.GetTranslation;
+        private static List<ListViewItem> allThemeItems = new List<ListViewItem>();
         private static SemaphoreSlim loadSemaphore = new SemaphoreSlim(1);
 
         internal static string[] GetDisplayNames()
@@ -142,6 +143,51 @@ internal static void LoadImportedThemes(List<ThemeConfig> themes, ListView listV
             });
         }
 
+        internal static void ApplySearchFilter(ListView listView, string searchText)
+        {
+            searchText = searchText.Trim().ToLower();
+
+            // Save all items on first search
+            if (allThemeItems.Count == 0 && listView.Items.Count > 0)
+            {
+                foreach (ListViewItem item in listView.Items)
+                {
+                    allThemeItems.Add((ListViewItem)item.Clone());
+                }
+            }
+
+            listView.BeginUpdate();
+            listView.Items.Clear();
+
+            // Filter and add items back
+            foreach (ListViewItem item in allThemeItems)
+            {
+                if (string.IsNullOrWhiteSpace(searchText))
+                {
+                    // Show all items when search is empty
+                    listView.Items.Add((ListViewItem)item.Clone());
+                }
+                else
+                {
+                    // Get theme name (remove favorite star)
+                    string themeName = item.Text.Replace("★ ", "").ToLower();
+
+                    if (themeName.Contains(searchText))
+                    {
+                        listView.Items.Add((ListViewItem)item.Clone());
+                    }
+                }
+            }
+
+            listView.EndUpdate();
+
+            // Update selection
+            if (listView.Items.Count > 0 && listView.SelectedItems.Count == 0)
+            {
+                listView.Items[0].Selected = true;
+            }
+        }
+
         internal static void UpdateConfigForDisplay(List<string> activeThemes)
         {
             int numNewDisplays = Screen.AllScreens.Length - activeThemes.Count + 1;
@@ -225,7 +271,7 @@ internal static void ToggleShowInstalledOnly(ListView listView, bool newValue)
             {
                 foreach (ListViewItem item in listView.Items)
                 {
-                    if (item.Index > 0)
+                    if (item.Tag != null)
                     {
                         string themeId = (string)item.Tag;
                         ThemeConfig theme = ThemeManager.themeSettings.Find(t => t.themeId == themeId);

src/ThemeThumbLoader.cs

@@ -131,7 +131,7 @@ public static void CacheThumbnails(System.Windows.Forms.ListView listView)
         {
             foreach (System.Windows.Forms.ListViewItem item in listView.Items)
             {
-                if (item.Index == 0)
+                if (item.Tag == null)
                 {
                     continue;
                 }