code_style: simplify the way detacting system preferred command key

Signed-off-by: leo <[email protected]>

Author: love-linger

src/Views/CommitMessageTextBox.axaml.cs

@@ -125,7 +125,7 @@ private async void OnSubjectTextBoxPreviewKeyDown(object _, KeyEventArgs e)
                 DescriptionEditor.CaretIndex = 0;
                 e.Handled = true;
             }
-            else if (e.Key == Key.V && ((OperatingSystem.IsMacOS() && e.KeyModifiers == KeyModifiers.Meta) || (!OperatingSystem.IsMacOS() && e.KeyModifiers == KeyModifiers.Control)))
+            else if (e.Key == Key.V && e.KeyModifiers == (OperatingSystem.IsMacOS() ? KeyModifiers.Meta : KeyModifiers.Control))
             {
                 e.Handled = true;
 

src/Views/Histories.axaml.cs

@@ -722,9 +722,7 @@ private void OnCommitListDoubleTapped(object sender, TappedEventArgs e)
 
         private void OnCommitListKeyDown(object sender, KeyEventArgs e)
         {
-            bool isSystemCmdKeyDown = (OperatingSystem.IsMacOS() && e.KeyModifiers.HasFlag(KeyModifiers.Meta)) ||
-                (!OperatingSystem.IsMacOS() && e.KeyModifiers.HasFlag(KeyModifiers.Control));
-            if (!isSystemCmdKeyDown)
+            if (!e.KeyModifiers.HasFlag(OperatingSystem.IsMacOS() ? KeyModifiers.Meta : KeyModifiers.Control))
                 return;
 
             // These shortcuts are not mentioned in the Shortcut Reference window. Is this expected?

src/Views/Launcher.axaml.cs

@@ -115,8 +115,7 @@ protected override void OnKeyDown(KeyEventArgs e)
                 return;
             }
 
-            if ((OperatingSystem.IsMacOS() && e.KeyModifiers.HasFlag(KeyModifiers.Meta)) ||
-                (!OperatingSystem.IsMacOS() && e.KeyModifiers.HasFlag(KeyModifiers.Control)))
+            if (e.KeyModifiers.HasFlag(OperatingSystem.IsMacOS() ? KeyModifiers.Meta : KeyModifiers.Control))
             {
                 if (e.Key == Key.W)
                 {