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Add ActualApplicationThemeChanged in MainViewModel

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This commit is contained in:
Jack251970 2025-07-05 13:35:02 +08:00
parent b440aaab37
commit 5b2b272f76
2 changed files with 34 additions and 1 deletions
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20
Flow.Launcher.Plugin/EventHandler.cs
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@ -39,7 +39,14 @@ namespace Flow.Launcher.Plugin
/// <param name="sender"></param>
/// <param name="args"></param>
public delegate void VisibilityChangedEventHandler(object sender, VisibilityChangedEventArgs args);
/// <summary>
/// A delegate for when the actual application theme is changed
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
public delegate void ActualApplicationThemeChangedEventHandler(object sender, ActualApplicationThemeChangedEventArgs args);
/// <summary>
/// The event args for <see cref="VisibilityChangedEventHandler"/>
/// </summary>
@ -77,4 +84,15 @@ namespace Flow.Launcher.Plugin
/// </summary>
public Query Query { get; set; }
}
/// <summary>
/// The event args for <see cref="ActualApplicationThemeChangedEventHandler"/>
/// </summary>
public class ActualApplicationThemeChangedEventArgs : EventArgs
{
/// <summary>
/// <see langword="true"/> if the application has changed actual theme
/// </summary>
public bool IsDark { get; init; }
}
}

15
Flow.Launcher/ViewModel/MainViewModel.cs
View file

@ -22,6 +22,7 @@ using Flow.Launcher.Plugin;
using Flow.Launcher.Plugin.SharedCommands;
using Flow.Launcher.Storage;
using Microsoft.VisualStudio.Threading;
using ModernWpf;
namespace Flow.Launcher.ViewModel
{
@ -195,6 +196,18 @@ namespace Flow.Launcher.ViewModel
RegisterViewUpdate();
_ = RegisterClockAndDateUpdateAsync();
ThemeManager.Current.ActualApplicationThemeChanged += ThemeManager_ActualApplicationThemeChanged;
}
private void ThemeManager_ActualApplicationThemeChanged(ThemeManager sender, object args)
{
ActualApplicationThemeChanged?.Invoke(
Application.Current,
new ActualApplicationThemeChangedEventArgs()
{
IsDark = sender.ActualApplicationTheme == ApplicationTheme.Dark
});
}
private void RegisterViewUpdate()
@ -821,6 +834,7 @@ namespace Flow.Launcher.ViewModel
public bool MainWindowVisibilityStatus { get; set; } = true;
public event VisibilityChangedEventHandler VisibilityChanged;
public event ActualApplicationThemeChangedEventHandler ActualApplicationThemeChanged;
public Visibility ClockPanelVisibility { get; set; }
public Visibility SearchIconVisibility { get; set; }
@ -1975,6 +1989,7 @@ namespace Flow.Launcher.ViewModel
{
_resultsViewUpdateTask.Dispose();
}
ThemeManager.Current.ActualApplicationThemeChanged -= ThemeManager_ActualApplicationThemeChanged;
_disposed = true;
}
}