/// <summary>
/// Gets the desktop window in which desktop icons are displayed.
/// </summary>
/// <returns></returns>
public static WindowInfo GetDesktopWindow()
{
Func<WindowInfo, WindowInfo> findDesktopShell =
w => w.GetChildWindows().FirstOrDefault( c => c.GetClassName() == "SHELLDLL_DefView" );
// Before Windows 7, the desktop window could generally be found as a direct child of the shell.
var shellWindow = new WindowInfo( User32.GetShellWindow() );
if ( shellWindow == null )
{
throw new InvalidOperationException( "No Shell process is present." );
}
var desktop = findDesktopShell( shellWindow );
if ( desktop != null )
{
return desktop;
}
// Windows 7 can have cycling wallpapers enabled, in which case the desktop window can be found in a window with class "WorkerW".
var workerWindows = GetWindows().Where( w => w.GetClassName() == "WorkerW" );
foreach ( WindowInfo w in workerWindows )
{
desktop = findDesktopShell( w );
if ( desktop != null )
{
return desktop;
}
}
throw new NotSupportedException( "Could not find desktop window where it was expected." );
}
public WindowViewModel( WindowInfo window )
{
Window = window;
Process process = window.GetProcess();
ProcessName = process?.ProcessName ?? "Not Found!";
CompanyName = process?.MainModule.FileVersionInfo.CompanyName ?? "";
ClassName = window.GetClassName();
Title = window.GetTitle();
IsVisible = window.IsVisible();
}
/// <summary>
/// Creates a new snapshot for a window currently visible on the open desktop.
/// This constructor should only be called on windows assigned to a currently visible desktop.
/// </summary>
/// <param name="currentDesktop">The desktop the window is assigned to.</param>
/// <param name="info">The open window</param>
internal WindowSnapshot( VirtualDesktop currentDesktop, WindowInfo info )
{
if ( !currentDesktop.IsVisible )
{
throw new InvalidOperationException( "Window snapshots can only be created when the desktop the window belongs to is currently visible." );
}
Desktop = currentDesktop;
Info = info;
Update();
}
public RepositionWindowInfo( WindowInfo toPosition )
{
ToPosition = toPosition;
_originalVisible = toPosition.IsVisible();
Visible = _originalVisible;
var placement = new User32.WindowPlacement();
User32.GetWindowPlacement( toPosition.Handle, ref placement );
User32.Rectangle position = placement.NormalPosition;
_originalX = position.Left;
X = _originalX;
_originalY = position.Top;
Y = _originalY;
// TODO: According to the documentation, the pixel at (right, bottom) lies immediately outside the rectangle. Do we need to subtract with 1?
_originalWidth = position.Right - position.Left;
Width = _originalWidth;
_originalHeight = position.Bottom - position.Top;
Height = _originalHeight;
}
public Window( WindowInfo windowInfo )
{
WindowInfo = windowInfo;
}
/// <summary>
/// Find the next window below the specified window.
/// </summary>
/// <returns>The next window below the specified window, or null when the specified window is at the bottom.</returns>
public static WindowInfo GetWindowBelow( WindowInfo window )
{
IntPtr windowHandle = User32.GetWindow( window.Handle, User32.WindowRelationship.Next );
return windowHandle == IntPtr.Zero ? null : new WindowInfo( windowHandle );
}
public bool Equals( WindowInfo other )
{
if ( ReferenceEquals( null, other ) )
{
return false;
}
return ReferenceEquals( this, other ) || other.Handle.Equals( Handle );
}
ApplicationBehaviorsProcess GetProcessSettings( WindowInfo window )
{
// See whether settings are cached.
if ( _accessDeniedWindows.Contains( window ) )
{
return _dontHandleProcess;
}
if ( _windowProcessBehaviors.ContainsKey( window ) )
{
return _windowProcessBehaviors[ window ];
}
// Prevent cached settings from being kept in memory when windows are destroyed.
var deniedToRemove = _accessDeniedWindows.Where( w => w.IsDestroyed() ).ToArray();
deniedToRemove.ForEach( w => _accessDeniedWindows.Remove( w ) );
var processBehaviorsToRemove = _windowProcessBehaviors.Where( p => p.Key.IsDestroyed() ).ToArray();
processBehaviorsToRemove.ForEach( p => _windowProcessBehaviors.Remove( p.Key ) );
// Get settings.
Process process = window.GetProcess();
try
{
// Find matching settings based on process file info.
var matches = _settings.Process.Where( p => new TargetProcess( p.Name, p.CompanyName, p.Version ).Matches( process ) ).ToList();
// Select the most optimal match, or handle the process by default when no match found.
ApplicationBehaviorsProcess processBehavior = matches.Count == 0
? _handleProcess
: matches.MaxBy( p => p.Version?.Length ?? 0 ); // Longest version number that matches is most 'specific'.
_windowProcessBehaviors[ window ] = processBehavior;
return processBehavior;
}
catch ( Win32Exception )
{
_accessDeniedWindows.Add( window );
return _dontHandleProcess;
}
}
public bool Equals( WindowInfo window )
{
return
ClassName == window.GetClassName() &&
( Visible == WindowVisible.Both || ( window.IsVisible() && Visible == WindowVisible.True ) ) &&
( Title == null || window.GetTitle() == Title );
}
public IEnumerable<WindowInfo> ToCut( WindowInfo windowInfo, VirtualDesktopManager desktopManager )
{
var searchWindows = CutHelper.WindowsToSearchIn( desktopManager, ConsiderWindows );
return searchWindows.Where( s => Window.Any( w => w.Equals( s ) ) );
}
public IEnumerable<WindowInfo> ToCut( WindowInfo windowInfo, VirtualDesktopManager desktopManager )
{
var windows = new List<WindowInfo>();
switch ( Hide )
{
case ApplicationBehaviorsProcessHideBehaviorDefaultHide.SelectedWindow:
{
windows.Add( windowInfo );
break;
}
case ApplicationBehaviorsProcessHideBehaviorDefaultHide.AllProcessWindows:
{
var searchWindows = CutHelper.WindowsToSearchIn( desktopManager, ConsiderWindows );
var processWindows = searchWindows.Where( w =>
{
Process cutProcess = windowInfo.GetProcess();
Process otherProcess = w.GetProcess();
return
cutProcess != null && otherProcess != null &&
cutProcess.Id == otherProcess.Id;
} );
windows.AddRange( processWindows );
break;
}
}
return windows;
}
