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Resolve #3814.

@Jack251970 Jack251970 self-assigned this Jul 11, 2025
@Jack251970 Jack251970 added the bug Something isn't working label Jul 11, 2025
@Jack251970 Jack251970 added this to the 2.0.0 milestone Jul 11, 2025
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gitstream-cm bot commented Jul 11, 2025

🥷 Code experts: onesounds

Jack251970, onesounds have most 👩‍💻 activity in the files.
Jack251970, onesounds have most 🧠 knowledge in the files.

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Flow.Launcher/MainWindow.xaml.cs

Activity based on git-commit:

Jack251970 onesounds
JUL 8 additions & 3 deletions
JUN 91 additions & 71 deletions 87 additions & 18 deletions
MAY 145 additions & 43 deletions 5 additions & 1 deletions
APR 69 additions & 45 deletions 5 additions & 1 deletions
MAR 1141 additions & 1076 deletions 327 additions & 141 deletions
FEB 1 additions & 1 deletions 8 additions & 4 deletions

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Jack251970: 68%
onesounds: 16%

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gitstream-cm bot commented Jul 11, 2025

Be a legend 🏆 by adding a before and after screenshot of the changes you made, especially if they are around UI/UX.

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coderabbitai bot commented Jul 11, 2025

📝 Walkthrough

Walkthrough

A try-catch block was added to the QueryTextBox_OnPaste event handler in MainWindow.xaml.cs to handle exceptions when processing clipboard data. If an exception occurs, it is logged using App.API.LogException along with the class name and a descriptive message. A static ClassName field was also introduced.

Changes

File(s) Change Summary
Flow.Launcher/MainWindow.xaml.cs Added static ClassName field; wrapped clipboard paste logic in try-catch; logs exceptions.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant MainWindow
    participant AppAPI

    User->>MainWindow: Paste event (QueryTextBox_OnPaste)
    MainWindow->>MainWindow: Try to process clipboard data
    alt Exception occurs
        MainWindow->>AppAPI: LogException(ClassName, message, exception)
    end
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Assessment against linked issues

Objective Addressed Explanation
Prevent crash when clipboard data is invalid on paste (#3814)
Log exception details when clipboard paste fails (#3814)

Suggested labels

bug

Suggested reviewers

  • jjw24
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Actionable comments posted: 0

🧹 Nitpick comments (1)
Flow.Launcher/MainWindow.xaml.cs (1)

1262-1277: Good defensive programming for clipboard operations.

The try-catch block appropriately handles potential clipboard operation failures, which is essential since clipboard operations can fail due to various reasons (permissions, format issues, etc.). The logging approach is consistent with Flow Launcher's patterns.

Consider these improvements for better user experience:

  • Catch more specific exceptions like COMException or InvalidOperationException if clipboard operations typically throw these
  • Consider providing subtle user feedback when paste processing fails, so users understand why their paste didn't work as expected
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📥 Commits

Reviewing files that changed from the base of the PR and between d0c733b and 1a8227a.

📒 Files selected for processing (1)
  • Flow.Launcher/MainWindow.xaml.cs (2 hunks)
🧰 Additional context used
🧠 Learnings (2)
📓 Common learnings
Learnt from: Jack251970
PR: Flow-Launcher/Flow.Launcher#3572
File: Flow.Launcher/App.xaml.cs:214-216
Timestamp: 2025-07-06T12:21:37.947Z
Learning: In Flow Launcher, the UpdatePluginManifestAsync method in PluginsManifest.cs already has comprehensive internal try-catch handling that logs exceptions and returns false on failure rather than throwing, making external try-catch wrappers unnecessary.
Flow.Launcher/MainWindow.xaml.cs (6)
Learnt from: Jack251970
PR: Flow-Launcher/Flow.Launcher#3672
File: Flow.Launcher/MainWindow.xaml.cs:244-247
Timestamp: 2025-06-08T14:12:21.348Z
Learning: In Flow.Launcher, App.NotifyIcon is created before MainWindow creation, so null checks for App.NotifyIcon are not necessary when accessing it from MainWindow code.
Learnt from: Jack251970
PR: Flow-Launcher/Flow.Launcher#3572
File: Flow.Launcher/App.xaml.cs:214-216
Timestamp: 2025-07-06T12:21:37.947Z
Learning: In Flow Launcher, the UpdatePluginManifestAsync method in PluginsManifest.cs already has comprehensive internal try-catch handling that logs exceptions and returns false on failure rather than throwing, making external try-catch wrappers unnecessary.
Learnt from: Jack251970
PR: Flow-Launcher/Flow.Launcher#3672
File: Flow.Launcher/MainWindow.xaml.cs:318-318
Timestamp: 2025-06-08T14:12:12.842Z
Learning: In Flow.Launcher, the App.NotifyIcon static property is initialized in the App class before MainWindow creation, so null checks are not needed when accessing App.NotifyIcon in MainWindow lifecycle methods.
Learnt from: taooceros
PR: Flow-Launcher/Flow.Launcher#2616
File: Flow.Launcher/Flow.Launcher.csproj:7-7
Timestamp: 2024-10-08T15:52:58.573Z
Learning: In the Flow Launcher project, the version number in the `Flow.Launcher.csproj` file is dynamically updated during the CI/CD process.
Learnt from: onesounds
PR: Flow-Launcher/Flow.Launcher#3394
File: Flow.Launcher/Themes/Darker Glass.xaml:134-141
Timestamp: 2025-03-28T21:20:54.978Z
Learning: In WPF applications like Flow.Launcher, Border elements cannot directly display text content and require a child element like TextBlock to handle text rendering. This separation of concerns (Border for visual container styling, TextBlock for text display) follows WPF best practices and provides greater styling flexibility.
Learnt from: onesounds
PR: Flow-Launcher/Flow.Launcher#3394
File: Flow.Launcher/Themes/Darker Glass.xaml:134-141
Timestamp: 2025-03-28T21:20:54.978Z
Learning: In WPF applications like Flow.Launcher, Border elements cannot directly display text content and require a child element like TextBlock to handle text rendering. This separation of concerns (Border for visual container styling, TextBlock for text display) follows WPF best practices and provides greater styling flexibility.
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🔇 Additional comments (1)
Flow.Launcher/MainWindow.xaml.cs (1)

47-48: Clean implementation for logging context.

The ClassName field using nameof(MainWindow) is a maintainable approach that ensures the class name stays accurate even if the class is renamed. Good defensive programming practice.

@Jack251970 Jack251970 enabled auto-merge July 11, 2025 14:26
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@Jack251970 Jack251970 merged commit b60cca4 into dev Jul 11, 2025
14 checks passed
@Jack251970 Jack251970 deleted the clipboard_invalid branch July 11, 2025 23:57
@jjw24 jjw24 modified the milestones: 2.0.0, 1.20.2 Jul 13, 2025
jjw24 pushed a commit that referenced this pull request Jul 13, 2025
Use try-catch for query text box paste
TBM13 pushed a commit to TBM13/Flow.Launcher that referenced this pull request Jul 14, 2025
…valid

Use try-catch for query text box paste
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BUG: Data on clipboard is invalid crash
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