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Save & restore old command

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This commit is contained in:
Jack251970 2025-06-26 10:31:43 +08:00
parent 724b8a72cb
commit c7de03bbec
1 changed files with 27 additions and 6 deletions
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33
Flow.Launcher/Helper/HotKeyMapper.cs
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@ -23,6 +23,8 @@ internal static class HotKeyMapper
private static Settings _settings;
private static MainViewModel _mainViewModel;
private static readonly Dictionary<HotkeyModel, ICommand> _windowHotkeyEvents = new();
internal static void Initialize()
{
_mainViewModel = Ioc.Default.GetRequiredService<MainViewModel>();
@ -204,9 +206,7 @@ internal static class HotKeyMapper
if (hotkeyModels.Count == 0) return;
if (Application.Current?.MainWindow is MainWindow window)
{
var command = BuildCommand(hotkeyModels);
// Remove any existing key binding with the same gesture to avoid duplication
// Cache the command for the hotkey if it already exists
var keyGesture = hotkey.ToKeyGesture();
var existingBinding = window.InputBindings
.OfType<KeyBinding>()
@ -214,13 +214,22 @@ internal static class HotKeyMapper
kb.Gesture is KeyGesture keyGesture1 &&
keyGesture.Key == keyGesture1.Key &&
keyGesture.Modifiers == keyGesture1.Modifiers);
if (existingBinding != null)
{
throw new InvalidOperationException($"Key binding with gesture {hotkey} already exists");
// If the hotkey exists, remove the old command
if (_windowHotkeyEvents.ContainsKey(hotkey))
{
window.InputBindings.Remove(existingBinding);
}
// If the hotkey does not exist, save the old command
else
{
_windowHotkeyEvents[hotkey] = existingBinding.Command;
}
}
// Create and add the new key binding
var command = BuildCommand(hotkey, hotkeyModels);
var keyBinding = new KeyBinding(command, keyGesture);
window.InputBindings.Add(keyBinding);
}
@ -238,10 +247,15 @@ internal static class HotKeyMapper
}
}
private static ICommand BuildCommand(List<(PluginMetadata Metadata, SearchWindowPluginHotkey PluginHotkey)> hotkeyModels)
private static ICommand BuildCommand(HotkeyModel hotkey, List<(PluginMetadata Metadata, SearchWindowPluginHotkey PluginHotkey)> hotkeyModels)
{
return new RelayCommand(() =>
{
if (_windowHotkeyEvents.TryGetValue(hotkey, out var existingCommand))
{
existingCommand.Execute(null);
}
foreach (var hotkeyModel in hotkeyModels)
{
var metadata = hotkeyModel.Metadata;
@ -273,6 +287,13 @@ internal static class HotKeyMapper
{
window.InputBindings.Remove(existingBinding);
}
// Restore the command if it exists
if (_windowHotkeyEvents.TryGetValue(hotkey, out var command))
{
var keyBinding = new KeyBinding(command, keyGesture);
window.InputBindings.Add(keyBinding);
}
}
}
catch (Exception e)