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Use try-catch for query text box paste #3816

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Jul 11, 2025
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Use try-catch for query text box paste #3816

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26 changes: 18 additions & 8 deletions Flow.Launcher/MainWindow.xaml.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,9 @@

#region Private Fields

// Class Name
private static readonly string ClassName = nameof(MainWindow);

// Dependency Injection
private readonly Settings _settings;
private readonly Theme _theme;
Expand Down Expand Up @@ -111,7 +114,7 @@
{
var handle = Win32Helper.GetWindowHandle(this, true);
_hwndSource = HwndSource.FromHwnd(handle);
_hwndSource.AddHook(WndProc);

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Win32Helper.HideFromAltTab(this);
Win32Helper.DisableControlBox(this);
}
Expand Down Expand Up @@ -364,7 +367,7 @@
{
try
{
_hwndSource.RemoveHook(WndProc);

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}
catch (Exception)
{
Expand Down Expand Up @@ -567,9 +570,9 @@

#endregion

#region Window WndProc

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private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)

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{
switch (msg)
{
Expand Down Expand Up @@ -744,17 +747,17 @@
Header = App.API.GetTranslation("iconTrayOpen") + " (" + _settings.Hotkey + ")",
Icon = openIcon
};
var gamemodeIcon = new FontIcon { Glyph = "\ue7fc" };

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var gamemode = new MenuItem

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{
Header = App.API.GetTranslation("GameMode"),
Icon = gamemodeIcon

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};
var positionresetIcon = new FontIcon { Glyph = "\ue73f" };
var positionreset = new MenuItem

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{
Header = App.API.GetTranslation("PositionReset"),
Icon = positionresetIcon

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};
var settingsIcon = new FontIcon { Glyph = "\ue713" };
var settings = new MenuItem
Expand All @@ -770,7 +773,7 @@
};

open.Click += (o, e) => _viewModel.ToggleFlowLauncher();
gamemode.Click += (o, e) => _viewModel.ToggleGameMode();

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positionreset.Click += (o, e) => _ = PositionResetAsync();
settings.Click += (o, e) => App.API.OpenSettingDialog();
exit.Click += (o, e) => Close();
Expand All @@ -791,7 +794,7 @@

private void UpdatePosition()
{
// Initialize call twice to work around multi-display alignment issue- https://github.com/Flow-Launcher/Flow.Launcher/issues/2910

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InitializePosition();
InitializePosition();
}
Expand All @@ -807,7 +810,7 @@

private void InitializePosition()
{
// Initialize call twice to work around multi-display alignment issue- https://github.com/Flow-Launcher/Flow.Launcher/issues/2910

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InitializePositionInner();
InitializePositionInner();
return;
Expand Down Expand Up @@ -1256,14 +1259,21 @@

private void QueryTextBox_OnPaste(object sender, DataObjectPastingEventArgs e)
{
var isText = e.SourceDataObject.GetDataPresent(DataFormats.UnicodeText, true);
if (isText)
{
var text = e.SourceDataObject.GetData(DataFormats.UnicodeText) as string;
text = text.Replace(Environment.NewLine, " ");
DataObject data = new DataObject();
data.SetData(DataFormats.UnicodeText, text);
e.DataObject = data;
try
{
var isText = e.SourceDataObject.GetDataPresent(DataFormats.UnicodeText, true);
if (isText)
{
var text = e.SourceDataObject.GetData(DataFormats.UnicodeText) as string;
text = text.Replace(Environment.NewLine, " ");
DataObject data = new DataObject();
data.SetData(DataFormats.UnicodeText, text);
e.DataObject = data;
}
}
catch (Exception ex)
{
App.API.LogException(ClassName, "Failed to paste text", ex);
}
}

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