优化更新代码，添加界面功能并整合
This commit is contained in:
GG Z
343
WPFluent/Controls/Window/WindowBackdrop.cs
Normal file
343
WPFluent/Controls/Window/WindowBackdrop.cs
Normal file
@@ -0,0 +1,343 @@
|
||||
|
||||
|
||||
|
||||
using WPFluent.Appearance;
|
||||
using WPFluent.Interop;
|
||||
|
||||
using System.Runtime.InteropServices;
|
||||
|
||||
// ReSharper disable once CheckNamespace
|
||||
namespace WPFluent.Controls;
|
||||
|
||||
/// <summary>
|
||||
/// Applies the chosen backdrop effect to the selected window.
|
||||
/// </summary>
|
||||
public static class WindowBackdrop
|
||||
{
|
||||
private static bool ApplyDwmwWindowAttrubute(IntPtr hWnd, Dwmapi.DWMSBT dwmSbt)
|
||||
{
|
||||
if(hWnd == IntPtr.Zero)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
if(!User32.IsWindow(hWnd))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
int backdropPvAttribute = (int)dwmSbt;
|
||||
|
||||
var dwmApiResult = Dwmapi.DwmSetWindowAttribute(
|
||||
hWnd,
|
||||
Dwmapi.DWMWINDOWATTRIBUTE.DWMWA_SYSTEMBACKDROP_TYPE,
|
||||
ref backdropPvAttribute,
|
||||
Marshal.SizeOf(typeof(int)));
|
||||
|
||||
return dwmApiResult == HRESULT.S_OK;
|
||||
}
|
||||
|
||||
private static bool ApplyLegacyMicaBackdrop(IntPtr hWnd)
|
||||
{
|
||||
var backdropPvAttribute = 1; // Enable
|
||||
|
||||
// TODO: Validate HRESULT
|
||||
var dwmApiResult = Dwmapi.DwmSetWindowAttribute(
|
||||
hWnd,
|
||||
Dwmapi.DWMWINDOWATTRIBUTE.DWMWA_MICA_EFFECT,
|
||||
ref backdropPvAttribute,
|
||||
Marshal.SizeOf(typeof(int)));
|
||||
|
||||
return dwmApiResult == HRESULT.S_OK;
|
||||
}
|
||||
|
||||
private static SolidColorBrush GetFallbackBackgroundBrush()
|
||||
{
|
||||
return ApplicationThemeManager.GetAppTheme() switch
|
||||
{
|
||||
ApplicationTheme.HighContrast => ApplicationThemeManager.GetSystemTheme() switch
|
||||
{
|
||||
SystemTheme.HC1 => new SolidColorBrush(Color.FromArgb(0xFF, 0x2D, 0x32, 0x36)),
|
||||
SystemTheme.HC2 => new SolidColorBrush(Color.FromArgb(0xFF, 0x00, 0x00, 0x00)),
|
||||
SystemTheme.HCBlack => new SolidColorBrush(Color.FromArgb(0xFF, 0x20, 0x20, 0x20)),
|
||||
SystemTheme.HCWhite => new SolidColorBrush(Color.FromArgb(0xFF, 0x20, 0x20, 0x20)),
|
||||
_ => new SolidColorBrush(Color.FromArgb(0xFF, 0xFF, 0xFA, 0xEF)),
|
||||
},
|
||||
ApplicationTheme.Dark => new SolidColorBrush(Color.FromArgb(0xFF, 0x20, 0x20, 0x20)),
|
||||
ApplicationTheme.Light => new SolidColorBrush(Color.FromArgb(0xFF, 0xFA, 0xFA, 0xFA)),
|
||||
_ => new SolidColorBrush(Color.FromArgb(0xFF, 0xFA, 0xFA, 0xFA)),
|
||||
};
|
||||
}
|
||||
|
||||
/*private static bool ApplyLegacyAcrylicBackdrop(IntPtr hWnd)
|
||||
{
|
||||
throw new NotImplementedException();
|
||||
}*/
|
||||
|
||||
private static bool RestoreContentBackground(IntPtr hWnd)
|
||||
{
|
||||
if(hWnd == IntPtr.Zero)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
if(!User32.IsWindow(hWnd))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
var windowSource = HwndSource.FromHwnd(hWnd);
|
||||
|
||||
// Restore client area background
|
||||
if(windowSource?.Handle != IntPtr.Zero && windowSource?.CompositionTarget != null)
|
||||
{
|
||||
windowSource.CompositionTarget.BackgroundColor = SystemColors.WindowColor;
|
||||
}
|
||||
|
||||
if(windowSource?.RootVisual is System.Windows.Window window)
|
||||
{
|
||||
var backgroundBrush = window.Resources["ApplicationBackgroundBrush"];
|
||||
|
||||
// Manual fallback
|
||||
if(backgroundBrush is not SolidColorBrush)
|
||||
{
|
||||
backgroundBrush = GetFallbackBackgroundBrush();
|
||||
}
|
||||
|
||||
window.Background = (SolidColorBrush)backgroundBrush;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Applies a backdrop effect to the selected <see cref="System.Windows.Window"/>.
|
||||
/// </summary>
|
||||
/// <param name="window">The window to which the backdrop effect will be applied.</param>
|
||||
/// <param name="backdropType">The type of backdrop effect to apply. Determines the visual appearance of the window's backdrop.</param>
|
||||
/// <returns><see langword="true"/> if the operation was successful; otherwise, <see langword="false"/>.</returns>
|
||||
public static bool ApplyBackdrop(System.Windows.Window? window, WindowBackdropType backdropType)
|
||||
{
|
||||
if(window is null)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
if(window.IsLoaded)
|
||||
{
|
||||
IntPtr windowHandle = new WindowInteropHelper(window).Handle;
|
||||
|
||||
if(windowHandle == IntPtr.Zero)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
return ApplyBackdrop(windowHandle, backdropType);
|
||||
}
|
||||
|
||||
window.Loaded += (sender, _1) =>
|
||||
{
|
||||
IntPtr windowHandle =
|
||||
new WindowInteropHelper(sender as System.Windows.Window ?? null)?.Handle ?? IntPtr.Zero;
|
||||
|
||||
if(windowHandle == IntPtr.Zero)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
_ = ApplyBackdrop(windowHandle, backdropType);
|
||||
};
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Applies backdrop effect to the selected window handle based on the specified backdrop type.
|
||||
/// </summary>
|
||||
/// <param name="hWnd">The window handle to which the backdrop effect will be applied.</param>
|
||||
/// <param name="backdropType">The type of backdrop effect to apply. This determines the visual appearance of the window's backdrop.</param>
|
||||
/// <returns><see langword="true"/> if the operation was successful; otherwise, <see langword="false"/>.</returns>
|
||||
public static bool ApplyBackdrop(IntPtr hWnd, WindowBackdropType backdropType)
|
||||
{
|
||||
if(hWnd == IntPtr.Zero)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
if(!User32.IsWindow(hWnd))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
if(ApplicationThemeManager.GetAppTheme() == ApplicationTheme.Dark)
|
||||
{
|
||||
_ = UnsafeNativeMethods.ApplyWindowDarkMode(hWnd);
|
||||
}
|
||||
else
|
||||
{
|
||||
_ = UnsafeNativeMethods.RemoveWindowDarkMode(hWnd);
|
||||
}
|
||||
|
||||
_ = UnsafeNativeMethods.RemoveWindowCaption(hWnd);
|
||||
|
||||
// 22H1
|
||||
if(!Win32.Utilities.IsOSWindows11Insider1OrNewer)
|
||||
{
|
||||
if(backdropType != WindowBackdropType.None)
|
||||
{
|
||||
return ApplyLegacyMicaBackdrop(hWnd);
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
return backdropType switch
|
||||
{
|
||||
WindowBackdropType.Auto => ApplyDwmwWindowAttrubute(hWnd, Dwmapi.DWMSBT.DWMSBT_AUTO),
|
||||
WindowBackdropType.Mica => ApplyDwmwWindowAttrubute(hWnd, Dwmapi.DWMSBT.DWMSBT_MAINWINDOW),
|
||||
WindowBackdropType.Acrylic => ApplyDwmwWindowAttrubute(hWnd, Dwmapi.DWMSBT.DWMSBT_TRANSIENTWINDOW),
|
||||
WindowBackdropType.Tabbed => ApplyDwmwWindowAttrubute(hWnd, Dwmapi.DWMSBT.DWMSBT_TABBEDWINDOW),
|
||||
_ => ApplyDwmwWindowAttrubute(hWnd, Dwmapi.DWMSBT.DWMSBT_DISABLE),
|
||||
};
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Checks whether the selected backdrop type is supported on current platform.
|
||||
/// </summary>
|
||||
/// <returns><see langword="true"/> if the selected backdrop type is supported on current platform.</returns>
|
||||
public static bool IsSupported(WindowBackdropType backdropType)
|
||||
{
|
||||
return backdropType switch
|
||||
{
|
||||
WindowBackdropType.Auto => Win32.Utilities.IsOSWindows11Insider1OrNewer,
|
||||
WindowBackdropType.Tabbed => Win32.Utilities.IsOSWindows11Insider1OrNewer,
|
||||
WindowBackdropType.Mica => Win32.Utilities.IsOSWindows11OrNewer,
|
||||
WindowBackdropType.Acrylic => Win32.Utilities.IsOSWindows7OrNewer,
|
||||
WindowBackdropType.None => true,
|
||||
_ => false,
|
||||
};
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Tries to remove backdrop effects if they have been applied to the <see cref="Window"/>.
|
||||
/// </summary>
|
||||
/// <param name="window">The window from which the effect should be removed.</param>
|
||||
public static bool RemoveBackdrop(System.Windows.Window? window)
|
||||
{
|
||||
if(window is null)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
IntPtr windowHandle = new WindowInteropHelper(window).Handle;
|
||||
|
||||
return RemoveBackdrop(windowHandle);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Tries to remove all effects if they have been applied to the <c>hWnd</c>.
|
||||
/// </summary>
|
||||
/// <param name="hWnd">Pointer to the window handle.</param>
|
||||
public static bool RemoveBackdrop(IntPtr hWnd)
|
||||
{
|
||||
if(hWnd == IntPtr.Zero)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
_ = RestoreContentBackground(hWnd);
|
||||
|
||||
if(hWnd == IntPtr.Zero)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
if(!User32.IsWindow(hWnd))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
var pvAttribute = 0; // Disable
|
||||
var backdropPvAttribute = (int)Dwmapi.DWMSBT.DWMSBT_DISABLE;
|
||||
|
||||
_ = Dwmapi.DwmSetWindowAttribute(
|
||||
hWnd,
|
||||
Dwmapi.DWMWINDOWATTRIBUTE.DWMWA_MICA_EFFECT,
|
||||
ref pvAttribute,
|
||||
Marshal.SizeOf(typeof(int)));
|
||||
|
||||
_ = Dwmapi.DwmSetWindowAttribute(
|
||||
hWnd,
|
||||
Dwmapi.DWMWINDOWATTRIBUTE.DWMWA_SYSTEMBACKDROP_TYPE,
|
||||
ref backdropPvAttribute,
|
||||
Marshal.SizeOf(typeof(int)));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Tries to remove background from <see cref="Window"/> and it's composition area.
|
||||
/// </summary>
|
||||
/// <param name="window">Window to manipulate.</param>
|
||||
/// <returns><see langword="true"/> if operation was successful.</returns>
|
||||
public static bool RemoveBackground(System.Windows.Window? window)
|
||||
{
|
||||
if(window is null)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
// Remove background from visual root
|
||||
window.SetCurrentValue(System.Windows.Controls.Control.BackgroundProperty, Brushes.Transparent);
|
||||
|
||||
IntPtr windowHandle = new WindowInteropHelper(window).Handle;
|
||||
|
||||
if(windowHandle == IntPtr.Zero)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
var windowSource = HwndSource.FromHwnd(windowHandle);
|
||||
|
||||
// Remove background from client area
|
||||
if(windowSource?.Handle != IntPtr.Zero && windowSource?.CompositionTarget != null)
|
||||
{
|
||||
windowSource.CompositionTarget.BackgroundColor = Colors.Transparent;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
public static bool RemoveTitlebarBackground(System.Windows.Window? window)
|
||||
{
|
||||
if(window is null)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
IntPtr windowHandle = new WindowInteropHelper(window).Handle;
|
||||
|
||||
if(windowHandle == IntPtr.Zero)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
HwndSource? windowSource = HwndSource.FromHwnd(windowHandle);
|
||||
|
||||
// Remove background from client area
|
||||
if(windowSource?.Handle != IntPtr.Zero && windowSource?.CompositionTarget != null)
|
||||
{
|
||||
// NOTE: https://learn.microsoft.com/en-us/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute
|
||||
// Specifying DWMWA_COLOR_DEFAULT (value 0xFFFFFFFF) for the color will reset the window back to using the system's default behavior for the caption color.
|
||||
uint titlebarPvAttribute = 0xFFFFFFFE;
|
||||
|
||||
_ = Dwmapi.DwmSetWindowAttribute(
|
||||
windowSource.Handle,
|
||||
Dwmapi.DWMWINDOWATTRIBUTE.DWMWA_CAPTION_COLOR,
|
||||
ref titlebarPvAttribute,
|
||||
sizeof(uint));
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user