Enhance Post Grab Actions button feedback and Freeze tool logic

Improve visual feedback for NextStepDropDownButton by updating background and foreground colors based on selection and hover state, including icon color. Always show Freeze button in GrabFrame unless image is static.

Author: TheJoeFin

Text-Grab/Views/FullscreenGrab.xaml

@@ -273,9 +273,12 @@
                     Height="34"
                     Margin="2,0"
                     IsDefault="True"
+                    MouseEnter="NextStepDropDownButton_MouseEnter"
+                    MouseLeave="NextStepDropDownButton_MouseLeave"
+                    Style="{StaticResource SymbolDropDownButton}"
                     ToolTip="Actions to perform after grabbing text...">
                     <wpfui:DropDownButton.Icon>
-                        <wpfui:SymbolIcon Symbol="FlashFlow24" />
+                        <wpfui:SymbolIcon x:Name="NextStepSymbolIcon" Symbol="FlashFlow24" />
                     </wpfui:DropDownButton.Icon>
                     <wpfui:DropDownButton.Flyout>
                         <ContextMenu

Text-Grab/Views/FullscreenGrab.xaml.cs

@@ -301,21 +301,37 @@ internal static Dictionary<string, bool> BuildPostGrabActionSnapshot(
 
     private void CheckIfAnyPostActionsSelected()
     {
-        if (NextStepDropDownButton.Flyout is not ContextMenu flyoutMenu || !flyoutMenu.HasItems)
-            return;
+        bool hasCheckedAction = false;
 
-        foreach (MenuItem item in GetActionablePostGrabMenuItems(flyoutMenu))
+        if (NextStepDropDownButton.Flyout is ContextMenu flyoutMenu && flyoutMenu.HasItems)
         {
-            if (item.IsChecked)
+            foreach (MenuItem item in GetActionablePostGrabMenuItems(flyoutMenu))
             {
-                if (FindResource("DarkTeal") is SolidColorBrush tealButtonStyle)
-                    NextStepDropDownButton.Background = tealButtonStyle;
-                return;
+                if (item.IsChecked)
+                {
+                    hasCheckedAction = true;
+                    break;
+                }
             }
         }
 
-        if (FindResource("ControlFillColorDefaultBrush") is SolidColorBrush SymbolButtonStyle)
-            NextStepDropDownButton.Background = SymbolButtonStyle;
+        if (hasCheckedAction)
+        {
+            if (FindResource("DarkTeal") is SolidColorBrush tealButtonStyle)
+                NextStepDropDownButton.Background = tealButtonStyle;
+            NextStepDropDownButton.Foreground = Brushes.White;
+            NextStepSymbolIcon.Foreground = Brushes.White;
+        }
+        else
+        {
+            if (FindResource("ControlFillColorDefaultBrush") is SolidColorBrush symbolButtonStyle)
+                NextStepDropDownButton.Background = symbolButtonStyle;
+            if (FindResource("TextFillColorPrimaryBrush") is SolidColorBrush textBrush)
+            {
+                NextStepDropDownButton.Foreground = textBrush;
+                NextStepSymbolIcon.Foreground = textBrush;
+            }
+        }
     }
 
     private static bool CheckIfCheckingOrUnchecking(object? sender)
@@ -535,6 +551,19 @@ private void FreezeMenuItem_Click(object? sender = null, RoutedEventArgs? e = nu
         WindowUtilities.FullscreenKeyDown(Key.F, isActive);
     }
 
+    private void NextStepDropDownButton_MouseEnter(object sender, MouseEventArgs e)
+    {
+        // Background fill on hover comes from the SymbolDropDownButton style; only the
+        // icon/chevron foreground needs to be forced white here to stay legible on it.
+        NextStepDropDownButton.Foreground = Brushes.White;
+        NextStepSymbolIcon.Foreground = Brushes.White;
+    }
+
+    private void NextStepDropDownButton_MouseLeave(object sender, MouseEventArgs e)
+    {
+        CheckIfAnyPostActionsSelected();
+    }
+
     private async void FreezeUnfreeze(bool Activate)
     {
         if (FreezeMenuItem.IsChecked is true)

Text-Grab/Views/GrabFrame.xaml.cs

@@ -2974,8 +2974,9 @@ private void ApplyBottomBarToolVisibility()
         // Refresh / OCR Frame buttons swap based on Auto OCR state; that helper honors the hide preference.
         SetRefreshOrOcrFrameBtnVis();
 
-        // Freeze is only offered when a live (non-static, non-frozen) frame is showing.
-        SetToolButtonVisibility(FreezeToggleButton, "Freeze", !isStaticImageSource && !IsFreezeMode);
+        // Freeze doubles as Unfreeze while frozen, so it must stay available in both
+        // states — only a static (already-frozen) image source makes it irrelevant.
+        SetToolButtonVisibility(FreezeToggleButton, "Freeze", !isStaticImageSource);
 
         SetToolButtonVisibility(TranslateToggleButton, "Translate", translateToolAvailable);