public static void SetAppBar(Window appbarWindow, ABEdge edge)
{
RegisterInfo info = GetRegisterInfo(appbarWindow);
info.Edge = edge;
APPBARDATA abd = new APPBARDATA();
abd.cbSize = Marshal.SizeOf(abd);
abd.hWnd = new WindowInteropHelper(appbarWindow).Handle;
if (edge == ABEdge.None) {
if (info.IsRegistered) {
SHAppBarMessage((int)ABMsg.ABM_REMOVE, ref abd);
info.IsRegistered = false;
}
RestoreWindow(appbarWindow);
return;
}
if (!info.IsRegistered) {
info.IsRegistered = true;
info.CallbackId = RegisterWindowMessage("AppBarMessage");
abd.uCallbackMessage = info.CallbackId;
uint ret = SHAppBarMessage((int)ABMsg.ABM_NEW, ref abd);
HwndSource source = HwndSource.FromHwnd(abd.hWnd);
source.AddHook(new HwndSourceHook(info.WndProc));
}
appbarWindow.WindowStyle = WindowStyle.None;
appbarWindow.ResizeMode = ResizeMode.NoResize;
appbarWindow.Topmost = true;
ABSetPos(info.Edge, appbarWindow);
}
public static int RegisterBar(Window abWindow, double width, double height, ABEdge edge = ABEdge.ABE_TOP)
{
NativeMethods.APPBARDATA abd = new NativeMethods.APPBARDATA();
abd.cbSize = Marshal.SizeOf(typeof(NativeMethods.APPBARDATA));
IntPtr handle = new WindowInteropHelper(abWindow).Handle;
abd.hWnd = handle;
if (!appBars.Contains(handle))
{
uCallBack = NativeMethods.RegisterWindowMessage("AppBarMessage");
abd.uCallbackMessage = uCallBack;
uint ret = NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_NEW, ref abd);
appBars.Add(handle);
Trace.WriteLine("Created AppBar for handle " + handle.ToString());
ABSetPos(abWindow, width, height, edge);
}
else
{
NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_REMOVE, ref abd);
appBars.Remove(handle);
Trace.WriteLine("Removed AppBar for handle " + handle.ToString());
return(0);
}
return(uCallBack);
}
public static double GetAppBarEdgeWindowsHeight(ABEdge edge, Screen screen)
{
double edgeHeight = 0;
foreach (MenuBar menuBar in WindowManager.Instance.MenuBarWindows)
{
if (menuBar.requiresScreenEdge &&
menuBar.appBarEdge == edge &&
menuBar.Screen.DeviceName == screen.DeviceName)
{
edgeHeight += menuBar.Height;
}
}
foreach (Taskbar taskbar in WindowManager.Instance.TaskbarWindows)
{
if (taskbar.requiresScreenEdge &&
taskbar.appBarEdge == edge &&
taskbar.Screen.DeviceName == screen.DeviceName)
{
edgeHeight += taskbar.Height;
}
}
return(edgeHeight);
}
public static void SetAppBar(Window appbarWindow, ABEdge edge, FrameworkElement childElement = null, bool topMost = true)
{
var info = GetRegisterInfo(appbarWindow);
info.Edge = edge;
info.ChildElement = childElement;
var abd = new Interop.APPBARDATA();
abd.cbSize = Marshal.SizeOf(abd);
abd.hWnd = new WindowInteropHelper(appbarWindow).Handle;
int renderPolicy;
if (edge == ABEdge.None)
{
if (info.IsRegistered)
{
Interop.SHAppBarMessage((int)Interop.ABMsg.ABM_REMOVE, ref abd);
info.IsRegistered = false;
}
RestoreWindow(appbarWindow);
// Restore normal desktop window manager attributes
renderPolicy = (int)Interop.DWMNCRenderingPolicy.UseWindowStyle;
Interop.DwmSetWindowAttribute(abd.hWnd, (int)Interop.DWMWINDOWATTRIBUTE.DWMA_EXCLUDED_FROM_PEEK, ref renderPolicy, sizeof(int));
Interop.DwmSetWindowAttribute(abd.hWnd, (int)Interop.DWMWINDOWATTRIBUTE.DWMA_DISALLOW_PEEK, ref renderPolicy, sizeof(int));
return;
}
if (!info.IsRegistered)
{
info.IsRegistered = true;
info.CallbackId = Interop.RegisterWindowMessage("AppBarMessage");
abd.uCallbackMessage = info.CallbackId;
var ret = Interop.SHAppBarMessage((int)Interop.ABMsg.ABM_NEW, ref abd);
var source = HwndSource.FromHwnd(abd.hWnd);
source.AddHook(info.WndProc);
}
appbarWindow.WindowStyle = WindowStyle.None;
appbarWindow.ResizeMode = ResizeMode.NoResize;
appbarWindow.Topmost = topMost;
// Set desktop window manager attributes to prevent window
// from being hidden when peeking at the desktop or when
// the 'show desktop' button is pressed
renderPolicy = (int)Interop.DWMNCRenderingPolicy.Enabled;
Interop.DwmSetWindowAttribute(abd.hWnd, (int)Interop.DWMWINDOWATTRIBUTE.DWMA_EXCLUDED_FROM_PEEK, ref renderPolicy, sizeof(int));
Interop.DwmSetWindowAttribute(abd.hWnd, (int)Interop.DWMWINDOWATTRIBUTE.DWMA_DISALLOW_PEEK, ref renderPolicy, sizeof(int));
ABSetPos(info, appbarWindow, childElement);
}
private static void ABSetPos(ABEdge edge, Window appbarWindow)
{
APPBARDATA barData = new APPBARDATA();
barData.cbSize = Marshal.SizeOf(barData);
barData.hWnd = new WindowInteropHelper(appbarWindow).Handle;
barData.uEdge = (int)edge;
int leftOffset = 0;
int topOffset = 0;
int actualScreenWidth = (int)SystemParameters.PrimaryScreenWidth;
int actualScreenHeight = (int)SystemParameters.PrimaryScreenHeight;
GetActualScreenData(edge, appbarWindow, ref leftOffset, ref topOffset, ref actualScreenWidth, ref actualScreenHeight);
if (barData.uEdge == (int)ABEdge.Left || barData.uEdge == (int)ABEdge.Right)
{
barData.rc.top = topOffset;
barData.rc.bottom = actualScreenHeight;
if (barData.uEdge == (int)ABEdge.Left)
{
barData.rc.left = leftOffset;
barData.rc.right = (int)Math.Round(appbarWindow.ActualWidth) + leftOffset;
}
else
{
barData.rc.right = actualScreenWidth + leftOffset;
barData.rc.left = barData.rc.right - (int)Math.Round(appbarWindow.ActualWidth);
}
}
else
{
barData.rc.left = leftOffset;
barData.rc.right = actualScreenWidth + leftOffset;
if (barData.uEdge == (int)ABEdge.Top)
{
barData.rc.top = topOffset;
barData.rc.bottom = (int)Math.Round(appbarWindow.ActualHeight) + topOffset;
}
else
{
barData.rc.bottom = actualScreenHeight + topOffset;
barData.rc.top = barData.rc.bottom - (int)Math.Round(appbarWindow.ActualHeight);
}
}
SHAppBarMessage((int)ABMsg.ABM_QUERYPOS, ref barData);
SHAppBarMessage((int)ABMsg.ABM_SETPOS, ref barData);
Rect rect = new Rect((double)barData.rc.left, (double)barData.rc.top,
(double)(barData.rc.right - barData.rc.left), (double)(barData.rc.bottom - barData.rc.top));
//This is done async, because WPF will send a resize after a new appbar is added.
//if we size right away, WPFs resize comes last and overrides us.
appbarWindow.Dispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle,
new ResizeDelegate(DoResize), appbarWindow, rect);
}
public static void SetAppBar(Window appbarWindow, ABEdge edge, FrameworkElement childElement = null)
{
var info = GetRegisterInfo(appbarWindow);
info.Edge = edge;
info.ChildElement = childElement;
var abd = new Interop.APPBARDATA();
abd.cbSize = Marshal.SizeOf(abd);
abd.hWnd = new WindowInteropHelper(appbarWindow).Handle;
int renderPolicy;
if (edge == ABEdge.None)
{
if (info.IsRegistered)
{
Interop.SHAppBarMessage((int)Interop.ABMsg.ABM_REMOVE, ref abd);
info.IsRegistered = false;
}
RestoreWindow(appbarWindow);
// Restore normal desktop window manager attributes
renderPolicy = (int)Interop.DWMNCRenderingPolicy.UseWindowStyle;
Interop.DwmSetWindowAttribute(abd.hWnd, (int)Interop.DWMWINDOWATTRIBUTE.DWMA_EXCLUDED_FROM_PEEK, ref renderPolicy, sizeof(int));
Interop.DwmSetWindowAttribute(abd.hWnd, (int)Interop.DWMWINDOWATTRIBUTE.DWMA_DISALLOW_PEEK, ref renderPolicy, sizeof(int));
return;
}
if (!info.IsRegistered)
{
info.IsRegistered = true;
info.CallbackId = Interop.RegisterWindowMessage("AppBarMessage");
abd.uCallbackMessage = info.CallbackId;
var ret = Interop.SHAppBarMessage((int)Interop.ABMsg.ABM_NEW, ref abd);
var source = HwndSource.FromHwnd(abd.hWnd);
source.AddHook(info.WndProc);
}
appbarWindow.WindowStyle = WindowStyle.None;
appbarWindow.ResizeMode = ResizeMode.NoResize;
appbarWindow.Topmost = true;
// Set desktop window manager attributes to prevent window
// from being hidden when peeking at the desktop or when
// the 'show desktop' button is pressed
renderPolicy = (int)Interop.DWMNCRenderingPolicy.Enabled;
Interop.DwmSetWindowAttribute(abd.hWnd, (int)Interop.DWMWINDOWATTRIBUTE.DWMA_EXCLUDED_FROM_PEEK, ref renderPolicy, sizeof(int));
Interop.DwmSetWindowAttribute(abd.hWnd, (int)Interop.DWMWINDOWATTRIBUTE.DWMA_DISALLOW_PEEK, ref renderPolicy, sizeof(int));
ABSetPos(info.Edge, appbarWindow, childElement);
}
public void CreateForm(Screen screen, ABEdge edge, int amount)
{
var abd = new APPBARDATA();
abd.cbSize = Marshal.SizeOf(abd);
var ff = new Form();
ff.AutoScaleBaseSize = new Size(1, 1);
ff.ClientSize = new Size(100, 100);
ff.FormBorderStyle = FormBorderStyle.FixedToolWindow;
ff.Opacity = 0;
ff.Name = "AerialSpacer";
ff.ShowInTaskbar = false;
ff.Show();
abd.hWnd = ff.Handle;
abd.uEdge = (int)edge;
abd.rc.left = screen.WorkingArea.Left;
abd.rc.right = screen.WorkingArea.Right;
abd.rc.top = screen.WorkingArea.Top;
abd.rc.bottom = screen.WorkingArea.Bottom;
SHAppBarMessage((int)ABMsg.ABM_NEW, ref abd);
Application.DoEvents();
SHAppBarMessage((int)ABMsg.ABM_QUERYPOS, ref abd);
Application.DoEvents();
switch (edge)
{
case ABEdge.ABE_TOP:
abd.rc.bottom = abd.rc.top + amount;
break;
case ABEdge.ABE_BOTTOM:
abd.rc.top = abd.rc.bottom - amount;
break;
case ABEdge.ABE_LEFT:
abd.rc.right = abd.rc.left + amount;
break;
case ABEdge.ABE_RIGHT:
abd.rc.left = abd.rc.right - amount;
break;
default:
throw new ArgumentOutOfRangeException(nameof(edge));
}
SHAppBarMessage((int)ABMsg.ABM_SETPOS, ref abd);
Application.DoEvents();
Thread.Sleep(150);
Application.DoEvents();
}
private static void ABSetPos(ABEdge edge, ABEdge prevEdge, Window appbarWindow)
{
APPBARDATA barData = new APPBARDATA();
barData.cbSize = Marshal.SizeOf(barData);
barData.hWnd = new WindowInteropHelper(appbarWindow).Handle;
barData.uEdge = (int)edge;
RECT wa = new RECT(SystemParameters.WorkArea);
tb.Refresh();
switch (edge)
{
case ABEdge.Top:
barData.rc.Left = wa.Left - (prevEdge == ABEdge.Left ? (int)Math.Round(appbarWindow.ActualWidth) : 0);
barData.rc.Right = wa.Right + (prevEdge == ABEdge.Right ? (int)Math.Round(appbarWindow.ActualWidth) : 0);
barData.rc.Top = wa.Top - (prevEdge == ABEdge.Top ? (int)Math.Round(appbarWindow.ActualHeight) : 0) - ((tb.Position != TaskBarPosition.Top && tb.PreviousPosition == TaskBarPosition.Top) ? tb.Height : 0) + ((tb.Position == TaskBarPosition.Top && tb.PreviousPosition != TaskBarPosition.Top) ? tb.Height : 0);
barData.rc.Bottom = barData.rc.Top + (int)Math.Round(appbarWindow.ActualHeight);
break;
case ABEdge.Bottom:
barData.rc.Left = wa.Left - (prevEdge == ABEdge.Left ? (int)Math.Round(appbarWindow.ActualWidth) : 0);
barData.rc.Right = wa.Right + (prevEdge == ABEdge.Right ? (int)Math.Round(appbarWindow.ActualWidth) : 0);
barData.rc.Bottom = wa.Bottom + (prevEdge == ABEdge.Bottom ? (int)Math.Round(appbarWindow.ActualHeight) : 0) - 1 + ((tb.Position != TaskBarPosition.Bottom && tb.PreviousPosition == TaskBarPosition.Bottom) ? tb.Height : 0) - ((tb.Position == TaskBarPosition.Bottom && tb.PreviousPosition != TaskBarPosition.Bottom) ? tb.Height : 0);
barData.rc.Top = barData.rc.Bottom - (int)Math.Round(appbarWindow.ActualHeight);
break;
}
SHAppBarMessage((int)ABMsg.ABM_QUERYPOS, ref barData);
switch (barData.uEdge)
{
case (int)ABEdge.Bottom:
if (tb.Position == TaskBarPosition.Bottom && tb.PreviousPosition == tb.Position)
{
barData.rc.Top += (tb.PreviousHeight - tb.Height);
barData.rc.Bottom = barData.rc.Top + (int)appbarWindow.ActualHeight;
}
break;
case (int)ABEdge.Top:
if (tb.Position == TaskBarPosition.Top && tb.PreviousPosition == tb.Position)
{
if (tb.PreviousHeight - tb.Height > 0)
{
barData.rc.Top -= (tb.PreviousHeight - tb.Height);
}
barData.rc.Bottom = barData.rc.Top + (int)appbarWindow.ActualHeight;
}
break;
}
SHAppBarMessage((int)ABMsg.ABM_SETPOS, ref barData);
Rect rect = new Rect((double)barData.rc.Left, (double)barData.rc.Top, (double)(barData.rc.Right - barData.rc.Left), (double)(barData.rc.Bottom - barData.rc.Top));
appbarWindow.Dispatcher.BeginInvoke(new ResizeDelegate(DoResize), DispatcherPriority.ApplicationIdle, appbarWindow, rect);
}
public static void ABSetPos(Window appbarWindow, ABEdge edge)
{
APPBARDATA barData = new APPBARDATA();
barData.cbSize = Marshal.SizeOf(barData);
barData.hWnd = new WindowInteropHelper(appbarWindow).Handle;
barData.uEdge = (int)edge;
int leftOffset = 0;
int topOffset = 0;
int actualScreenWidth = (int)SystemParameters.PrimaryScreenWidth;
int actualScreenHeight = (int)SystemParameters.PrimaryScreenHeight;
GetActualScreenData(edge, appbarWindow, ref leftOffset, ref topOffset, ref actualScreenWidth, ref actualScreenHeight);
if (barData.uEdge == (int)ABEdge.Left || barData.uEdge == (int)ABEdge.Right)
{
barData.rc.top = topOffset;
barData.rc.bottom = actualScreenHeight;
if (barData.uEdge == (int)ABEdge.Left)
{
barData.rc.left = leftOffset;
barData.rc.right = (int)Math.Round(appbarWindow.ActualWidth) + leftOffset;
}
else
{
barData.rc.right = actualScreenWidth + leftOffset;
barData.rc.left = barData.rc.right - (int)Math.Round(appbarWindow.ActualWidth);
}
}
else
{
barData.rc.left = leftOffset;
barData.rc.right = actualScreenWidth + leftOffset;
if (barData.uEdge == (int)ABEdge.Top)
{
barData.rc.top = topOffset;
barData.rc.bottom = (int)Math.Round(appbarWindow.ActualHeight) + topOffset;
}
else
{
barData.rc.bottom = actualScreenHeight + topOffset;
barData.rc.top = barData.rc.bottom - (int)Math.Round(appbarWindow.ActualHeight);
}
}
SHAppBarMessage((int)ABMsg.ABM_QUERYPOS, ref barData);
SHAppBarMessage((int)ABMsg.ABM_SETPOS, ref barData);
Rect rect = new Rect((double)barData.rc.left, (double)barData.rc.top,
(double)(barData.rc.right - barData.rc.left), (double)(barData.rc.bottom - barData.rc.top));
//This is done async, because WPF will send a resize after a new appbar is added.
//if we size right away, WPFs resize comes last and overrides us.
appbarWindow.Dispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle,
new ResizeDelegate(DoResize), appbarWindow, rect);
}
public static void SetAppBar(Window appbarWindow, ABEdge edge, int screen)
{
RegisterInfo info = GetRegisterInfo(appbarWindow);
info.Edge = edge;
APPBARDATA abd = new APPBARDATA();
abd.cbSize = Marshal.SizeOf(abd);
abd.hWnd = new WindowInteropHelper(appbarWindow).Handle;
//int renderPolicy;
if (edge == ABEdge.None)
{
if (info.IsRegistered)
{
SHAppBarMessage((int)ABMsg.ABM_REMOVE, ref abd);
info.IsRegistered = false;
}
RestoreWindow(appbarWindow);
return;
}
if (!info.IsRegistered)
{
info.IsRegistered = true;
info.CallbackId = RegisterWindowMessage("AppBarMessage");
abd.uCallbackMessage = info.CallbackId;
uint ret = SHAppBarMessage((int)ABMsg.ABM_NEW, ref abd);
HwndSource source = HwndSource.FromHwnd(abd.hWnd);
source.AddHook(new HwndSourceHook(info.WndProc));
}
appbarWindow.WindowStyle = WindowStyle.None;
appbarWindow.ResizeMode = ResizeMode.NoResize;
appbarWindow.Topmost = true;
AppBarWindow = appbarWindow;
Edge = edge;
ScreenNum = screen;
appbarWindow.SizeChanged += appbarWindow_SizeChanged;
ABSetPos(info.Edge, appbarWindow, screen);
}
private static void GetActualScreenData(ABEdge edge, Window appbarWindow, ref int leftOffset, ref int topOffset, ref int actualScreenWidth, ref int actualScreenHeight)
{
IntPtr handle = new WindowInteropHelper(appbarWindow).Handle;
IntPtr monitorHandle = MonitorFromWindow(handle, MONITOR_DEFAULTTONEAREST);
MONITORINFO mi = new MONITORINFO();
mi.cbSize = Marshal.SizeOf(mi);
if (GetMonitorInfo(monitorHandle, ref mi))
{
if (mi.dwFlags == MONITORINFOF_PRIMARY)
{
return;
}
leftOffset = mi.rcWork.left;
topOffset = mi.rcWork.top;
actualScreenWidth = mi.rcWork.right - leftOffset;
actualScreenHeight = mi.rcWork.bottom - mi.rcWork.top;
}
}
public static void ABSetPos(AppBarWindow abWindow, Screen screen, double width, double height, ABEdge edge, bool isCreate = false)
{
lock (appBarLock)
{
NativeMethods.APPBARDATA abd = new NativeMethods.APPBARDATA();
abd.cbSize = Marshal.SizeOf(typeof(NativeMethods.APPBARDATA));
IntPtr handle = new WindowInteropHelper(abWindow).Handle;
abd.hWnd = handle;
abd.uEdge = (int)edge;
int sWidth = (int)width;
int sHeight = (int)height;
int top = 0;
int left = 0;
int right = WindowManager.PrimaryMonitorDeviceSize.Width;
int bottom = WindowManager.PrimaryMonitorDeviceSize.Height;
/*PresentationSource ps = PresentationSource.FromVisual(abWindow);
*
* if (ps == null)
* {
* // if we are racing with screen setting changes, this will be null
* CairoLogger.Instance.Debug("AppBarHelper: Aborting ABSetPos due to window destruction");
* return;
* }
*
* double dpiScale = ps.CompositionTarget.TransformToDevice.M11;*/
if (screen != null)
{
top = screen.Bounds.Y;
left = screen.Bounds.X;
right = screen.Bounds.Right;
bottom = screen.Bounds.Bottom;
}
if (abd.uEdge == (int)ABEdge.ABE_LEFT || abd.uEdge == (int)ABEdge.ABE_RIGHT)
{
abd.rc.top = top;
abd.rc.bottom = bottom;
if (abd.uEdge == (int)ABEdge.ABE_LEFT)
{
abd.rc.left = left;
abd.rc.right = abd.rc.left + sWidth;
}
else
{
abd.rc.right = right;
abd.rc.left = abd.rc.right - sWidth;
}
}
else
{
abd.rc.left = left;
abd.rc.right = right;
if (abd.uEdge == (int)ABEdge.ABE_TOP)
{
if (!abWindow.requiresScreenEdge)
{
abd.rc.top = top + Convert.ToInt32(GetAppBarEdgeWindowsHeight((ABEdge)abd.uEdge, screen));
}
else
{
abd.rc.top = top;
}
abd.rc.bottom = abd.rc.top + sHeight;
}
else
{
if (!abWindow.requiresScreenEdge)
{
abd.rc.bottom = bottom - Convert.ToInt32(GetAppBarEdgeWindowsHeight((ABEdge)abd.uEdge, screen));
}
else
{
abd.rc.bottom = bottom;
}
abd.rc.top = abd.rc.bottom - sHeight;
}
}
prepareForInterop();
NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_QUERYPOS, ref abd);
interopDone();
// system doesn't adjust all edges for us, do some adjustments
switch (abd.uEdge)
{
case (int)ABEdge.ABE_LEFT:
abd.rc.right = abd.rc.left + sWidth;
break;
case (int)ABEdge.ABE_RIGHT:
abd.rc.left = abd.rc.right - sWidth;
break;
case (int)ABEdge.ABE_TOP:
abd.rc.bottom = abd.rc.top + sHeight;
break;
case (int)ABEdge.ABE_BOTTOM:
abd.rc.top = abd.rc.bottom - sHeight;
break;
}
prepareForInterop();
NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_SETPOS, ref abd);
interopDone();
// check if new coords
bool isSameCoords = false;
if (!isCreate)
{
isSameCoords = abd.rc.top == (abWindow.Top * abWindow.dpiScale) && abd.rc.left == (abWindow.Left * abWindow.dpiScale) && abd.rc.bottom == (abWindow.Top * abWindow.dpiScale) + sHeight && abd.rc.right == (abWindow.Left * abWindow.dpiScale) + sWidth;
}
if (!isSameCoords)
{
CairoLogger.Instance.Debug(string.Format("AppBarHelper: {0} changing position (TxLxBxR) to {1}x{2}x{3}x{4} from {5}x{6}x{7}x{8}", abWindow.Name, abd.rc.top, abd.rc.left, abd.rc.bottom, abd.rc.right, (abWindow.Top * abWindow.dpiScale), (abWindow.Left * abWindow.dpiScale), (abWindow.Top * abWindow.dpiScale) + sHeight, (abWindow.Left * abWindow.dpiScale) + sWidth));
abWindow.setAppBarPosition(abd.rc);
}
abWindow.afterAppBarPos(isSameCoords, abd.rc);
if (abd.rc.bottom - abd.rc.top < sHeight)
{
ABSetPos(abWindow, screen, width, height, edge);
}
}
}
public static void ABSetPos(Window abWindow, double width, double height, ABEdge edge)
{
NativeMethods.APPBARDATA abd = new NativeMethods.APPBARDATA();
abd.cbSize = Marshal.SizeOf(typeof(NativeMethods.APPBARDATA));
IntPtr handle = new WindowInteropHelper(abWindow).Handle;
abd.hWnd = handle;
abd.uEdge = (int)edge;
int sWidth;
int sHeight;
// adjust size for dpi
TransformToPixels(width, height, out sWidth, out sHeight);
if (abd.uEdge == (int)ABEdge.ABE_LEFT || abd.uEdge == (int)ABEdge.ABE_RIGHT)
{
abd.rc.top = 0;
abd.rc.bottom = SystemInformation.WorkingArea.Bottom;
if (abd.uEdge == (int)ABEdge.ABE_LEFT)
{
abd.rc.left = SystemInformation.WorkingArea.Left;
abd.rc.right = abd.rc.left + sWidth;
}
else
{
abd.rc.right = SystemInformation.WorkingArea.Right;
abd.rc.left = abd.rc.right - sWidth;
}
}
else
{
abd.rc.left = SystemInformation.WorkingArea.Left;
abd.rc.right = SystemInformation.WorkingArea.Right;
if (abd.uEdge == (int)ABEdge.ABE_TOP)
{
abd.rc.top = 0;
abd.rc.bottom = abd.rc.top + sHeight;
}
else
{
abd.rc.bottom = SystemInformation.WorkingArea.Bottom;
abd.rc.top = abd.rc.bottom - sHeight;
}
}
NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_QUERYPOS, ref abd);
// system doesn't adjust all edges for us, do some adjustments
switch (abd.uEdge)
{
case (int)ABEdge.ABE_LEFT:
abd.rc.right = abd.rc.left + sWidth;
break;
case (int)ABEdge.ABE_RIGHT:
abd.rc.left = abd.rc.right - sWidth;
break;
case (int)ABEdge.ABE_TOP:
abd.rc.bottom = abd.rc.top + sHeight;
break;
case (int)ABEdge.ABE_BOTTOM:
abd.rc.top = abd.rc.bottom - sHeight;
break;
}
NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_SETPOS, ref abd);
// tracing
int h = abd.rc.bottom - abd.rc.top;
Trace.WriteLineIf(abd.uEdge == (int)ABEdge.ABE_TOP, "Top AppBar height is " + h.ToString());
Trace.WriteLineIf(abd.uEdge == (int)ABEdge.ABE_BOTTOM, "Bottom AppBar height is " + h.ToString());
abWindow.Dispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle,
new ResizeDelegate(DoResize), abd.hWnd, abd.rc.left, abd.rc.top, abd.rc.right - abd.rc.left, abd.rc.bottom - abd.rc.top);
if (h < sHeight)
{
ABSetPos(abWindow, width, height, edge);
}
}
private static void GetActualScreenData(ABEdge edge, Window appbarWindow, ref int leftOffset, ref int topOffset, ref int actualScreenWidth, ref int actualScreenHeight)
{
IntPtr handle = new WindowInteropHelper(appbarWindow).Handle;
IntPtr monitorHandle = MonitorFromWindow(handle, MONITOR_DEFAULTTONEAREST);
MONITORINFO mi = new MONITORINFO();
mi.cbSize = Marshal.SizeOf(mi);
if (GetMonitorInfo(monitorHandle, ref mi))
{
if (mi.dwFlags == MONITORINFOF_PRIMARY)
{
return;
}
leftOffset = mi.rcWork.left;
topOffset = mi.rcWork.top;
actualScreenWidth = mi.rcWork.right - leftOffset;
actualScreenHeight = mi.rcWork.bottom - mi.rcWork.top;
}
}
private static void ABSetPos(ABEdge edge, Window appbarWindow, FrameworkElement childElement)
{
var barData = new Interop.APPBARDATA();
barData.cbSize = Marshal.SizeOf(barData);
barData.hWnd = new WindowInteropHelper(appbarWindow).Handle;
barData.uEdge = (int)edge;
// Transforms a coordinate from WPF space to Screen space
var toPixel = PresentationSource.FromVisual(appbarWindow).CompositionTarget.TransformToDevice;
// Transforms a coordinate from Screen space to WPF space
var toWpfUnit = PresentationSource.FromVisual(appbarWindow).CompositionTarget.TransformFromDevice;
// Transform window size from wpf units (1/96 ") to real pixels, for win32 usage
var sizeInPixels = (childElement != null ?
toPixel.Transform(new Vector(childElement.ActualWidth, childElement.ActualHeight)) :
toPixel.Transform(new Vector(appbarWindow.ActualWidth, appbarWindow.ActualHeight)));
// Even if the documentation says SystemParameters.PrimaryScreen{Width, Height} return values in
// "pixels", they return wpf units instead.
var screenSizeInPixels =
toPixel.Transform(new Vector(SystemParameters.WorkArea.Width, SystemParameters.WorkArea.Height));
if (barData.uEdge == (int)ABEdge.Left || barData.uEdge == (int)ABEdge.Right)
{
barData.rc.top = 0;
barData.rc.bottom = (int)screenSizeInPixels.Y;
if (barData.uEdge == (int)ABEdge.Left)
{
barData.rc.left = 0;
barData.rc.right = (int)Math.Round(sizeInPixels.X);
}
else {
barData.rc.right = (int)screenSizeInPixels.X;
barData.rc.left = barData.rc.right - (int)Math.Round(sizeInPixels.X);
}
}
else
{
barData.rc.left = 0;
barData.rc.right = (int)screenSizeInPixels.X;
if (barData.uEdge == (int)ABEdge.Top)
{
barData.rc.top = 0;
barData.rc.bottom = (int)Math.Round(sizeInPixels.Y);
}
else {
barData.rc.bottom = (int)screenSizeInPixels.Y;
barData.rc.top = barData.rc.bottom - (int)Math.Round(sizeInPixels.Y);
}
}
Interop.SHAppBarMessage((int)Interop.ABMsg.ABM_QUERYPOS, ref barData);
Interop.SHAppBarMessage((int)Interop.ABMsg.ABM_SETPOS, ref barData);
// transform back to wpf units, for wpf window resizing in DoResize.
var location = toWpfUnit.Transform(new Point(barData.rc.left, barData.rc.top));
var dimension = toWpfUnit.Transform(new Vector(barData.rc.right - barData.rc.left,
barData.rc.bottom - barData.rc.top));
var rect = new Rect(location, new Size(dimension.X, dimension.Y));
//This is done async, because WPF will send a resize after a new appbar is added.
//if we size right away, WPFs resize comes last and overrides us.
appbarWindow.Dispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle,
new ResizeDelegate(DoResize), appbarWindow, rect);
}
public static int RegisterBar(IntPtr handle, Size size, ABEdge edge = ABEdge.ABE_TOP)
{
NativeMethods.APPBARDATA abd = new NativeMethods.APPBARDATA();
abd.cbSize = Marshal.SizeOf(abd);
abd.hWnd = handle;
if (!appBars.Contains(handle))
{
uCallBack = NativeMethods.RegisterWindowMessage("AppBarMessage" + Guid.NewGuid().ToString());
abd.uCallbackMessage = uCallBack;
uint ret = NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_NEW, ref abd);
appBars.Add(handle);
ABSetPos(handle, size, edge);
}
else
{
NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_REMOVE, ref abd);
appBars.Remove(handle);
}
return uCallBack;
}
private static void GetActualScreenData(ABEdge edge, Window appbarWindow, ref int leftOffset, ref int topOffset, ref int actualScreenWidth, ref int actualScreenHeight)
{
var secondaryScreen = System.Windows.Forms.Screen.AllScreens.LastOrDefault(s => !s.Primary);
if (secondaryScreen == null) return;
var workingArea = secondaryScreen.WorkingArea;
leftOffset = workingArea.Left;
topOffset = workingArea.Top;
actualScreenWidth = workingArea.Width;
actualScreenHeight = workingArea.Height;
}
public static int RegisterBar(Window abWindow, Screen screen, double width, double height, ABEdge edge = ABEdge.ABE_TOP)
{
lock (appBarLock)
{
APPBARDATA abd = new APPBARDATA();
abd.cbSize = Marshal.SizeOf(typeof(APPBARDATA));
IntPtr handle = new WindowInteropHelper(abWindow).Handle;
abd.hWnd = handle;
uCallBack = RegisterWindowMessage("AppBarMessage");
abd.uCallbackMessage = uCallBack;
uint ret = SHAppBarMessage((int)ABMsg.ABM_NEW, ref abd);
ABSetPos(abWindow, screen, width, height, edge);
}
return(uCallBack);
}
private static void ABSetPos(ABEdge edge, Window appbarWindow, int screen)
{
APPBARDATA barData = new APPBARDATA();
barData.cbSize = Marshal.SizeOf(barData);
barData.hWnd = new WindowInteropHelper(appbarWindow).Handle;
barData.uEdge = (int)edge;
foreach (Screen s in Screen.AllScreens)
{
Trace.WriteLine(s.Bounds.ToString());
Trace.WriteLine(Screen.AllScreens[screen].WorkingArea.ToString());
}
System.Drawing.Rectangle screenBounds;
if (Screen.AllScreens.Count() > screen)
{
screenBounds = Screen.AllScreens[screen].Bounds;
}
else
{
screenBounds = Screen.PrimaryScreen.Bounds;
}
Window MainWindow = System.Windows.Application.Current.MainWindow;
PresentationSource MainWindowPresentationSource = PresentationSource.FromVisual(MainWindow);
Matrix m = MainWindowPresentationSource.CompositionTarget.TransformToDevice;
double thisDpiWidthFactor = m.M11;
double thisDpiHeightFactor = m.M22;
if (UsersDockingCalculationMode == DockingCalculationMode.Surface)
{
Trace.WriteLine("Docking in Surface Mode");
// following is needed for Surface for some reason
barData.rc.right = (int)(screenBounds.Right * thisDpiWidthFactor);
barData.rc.top = (int)(screenBounds.Top * thisDpiHeightFactor);
barData.rc.bottom = (int)(screenBounds.Bottom * thisDpiHeightFactor);
barData.rc.left = (int)(screenBounds.Left * thisDpiWidthFactor);
if (barData.uEdge == (int)ABEdge.Left)
{
barData.rc.right = barData.rc.left + (int)(appbarWindow.ActualWidth * thisDpiWidthFactor);
}
else if (barData.uEdge == (int)ABEdge.Right)
{
barData.rc.left = barData.rc.right - (int)(appbarWindow.ActualWidth * thisDpiWidthFactor);
}
else if (barData.uEdge == (int)ABEdge.Top)
{
barData.rc.bottom = barData.rc.top + (int)(appbarWindow.ActualHeight * thisDpiHeightFactor);
}
else if (barData.uEdge == (int)ABEdge.Bottom)
{
barData.rc.top = barData.rc.bottom - (int)(appbarWindow.ActualHeight * thisDpiHeightFactor);
}
}
else if (UsersDockingCalculationMode == DockingCalculationMode.Standard)
{
// if !Surface
Trace.WriteLine("Docking in Standard Mode");
barData.rc.right = (int)(screenBounds.Right / thisDpiWidthFactor);
barData.rc.bottom = (int)(screenBounds.Bottom / thisDpiHeightFactor);
barData.rc.left = (int)(screenBounds.Left / thisDpiWidthFactor);
barData.rc.top = (int)(screenBounds.Top / thisDpiHeightFactor);
if (barData.uEdge == (int)ABEdge.Left)
{
barData.rc.right = barData.rc.left + (int)(appbarWindow.ActualWidth);
}
else if (barData.uEdge == (int)ABEdge.Right)
{
barData.rc.left = barData.rc.right - (int)(appbarWindow.ActualWidth);
}
else if (barData.uEdge == (int)ABEdge.Top)
{
barData.rc.bottom = barData.rc.top + (int)(appbarWindow.ActualHeight);
}
else if (barData.uEdge == (int)ABEdge.Bottom)
{
barData.rc.top = barData.rc.bottom - (int)(appbarWindow.ActualHeight);
}
}
uint ret;
ret = SHAppBarMessage((int)ABMsg.ABM_QUERYPOS, ref barData);
ret = SHAppBarMessage((int)ABMsg.ABM_SETPOS, ref barData);
//barData.lParam = (IntPtr)1;
//ret = SHAppBarMessage((int)ABMsg.ABM_SETAUTOHIDEBAR, ref barData);
//ret = SHAppBarMessage((int)ABMsg.ABM_GETAUTOHIDEBAR, ref barData);
if (UsersDockingCalculationMode == DockingCalculationMode.Surface)
{
// if Surface = Really not sure why its different on the surface
barData.rc.top = (int)(barData.rc.top / thisDpiWidthFactor);
barData.rc.bottom = (int)(barData.rc.bottom / thisDpiWidthFactor);
barData.rc.left = (int)(barData.rc.left / thisDpiWidthFactor);
barData.rc.right = (int)(barData.rc.right / thisDpiWidthFactor);
}
else if (UsersDockingCalculationMode == DockingCalculationMode.Standard)
{
// if !Surface
if (barData.uEdge == (int)ABEdge.Left)
{
barData.rc.right = barData.rc.left + (int)appbarWindow.ActualWidth;
}
else if (barData.uEdge == (int)ABEdge.Right)
{
barData.rc.left = barData.rc.right - (int)appbarWindow.ActualWidth;
}
else if (barData.uEdge == (int)ABEdge.Top)
{
barData.rc.bottom = barData.rc.top + (int)appbarWindow.ActualHeight;
}
else if (barData.uEdge == (int)ABEdge.Bottom)
{
barData.rc.top = barData.rc.bottom - (int)appbarWindow.ActualHeight;
}
}
//This is done async, because WPF will send a resize after a new appbar is added.
//if we size right away, WPFs resize comes last and overrides us.
appbarWindow.Dispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle,
new ResizeDelegate(DoResize), appbarWindow, barData.rc);
}
public static void ABSetPos(Window abWindow, Screen screen, double width, double height, ABEdge edge, bool isCreate = false)
{
lock (appBarLock)
{
NativeMethods.APPBARDATA abd = new NativeMethods.APPBARDATA();
abd.cbSize = Marshal.SizeOf(typeof(NativeMethods.APPBARDATA));
IntPtr handle = new WindowInteropHelper(abWindow).Handle;
abd.hWnd = handle;
abd.uEdge = (int)edge;
int sWidth = (int)width;
int sHeight = (int)height;
int top = 0;
int left = SystemInformation.WorkingArea.Left;
int right = SystemInformation.WorkingArea.Right;
int bottom = PrimaryMonitorDeviceSize.Height;
double dpiScale = PresentationSource.FromVisual(abWindow).CompositionTarget.TransformToDevice.M11;
if (screen != null)
{
top = screen.Bounds.Y;
left = screen.WorkingArea.Left;
right = screen.WorkingArea.Right;
bottom = screen.Bounds.Bottom;
}
if (abd.uEdge == (int)ABEdge.ABE_LEFT || abd.uEdge == (int)ABEdge.ABE_RIGHT)
{
abd.rc.top = top;
abd.rc.bottom = bottom;
if (abd.uEdge == (int)ABEdge.ABE_LEFT)
{
abd.rc.left = left;
abd.rc.right = abd.rc.left + sWidth;
}
else
{
abd.rc.right = right;
abd.rc.left = abd.rc.right - sWidth;
}
}
else
{
abd.rc.left = left;
abd.rc.right = right;
if (abd.uEdge == (int)ABEdge.ABE_TOP)
{
if (abWindow is Taskbar)
{
abd.rc.top = top + Convert.ToInt32(Startup.MenuBarWindow.Height);
}
else
{
abd.rc.top = top;
}
abd.rc.bottom = abd.rc.top + sHeight;
}
else
{
abd.rc.bottom = bottom;
abd.rc.top = abd.rc.bottom - sHeight;
}
}
prepareForInterop();
NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_QUERYPOS, ref abd);
interopDone();
// system doesn't adjust all edges for us, do some adjustments
switch (abd.uEdge)
{
case (int)ABEdge.ABE_LEFT:
abd.rc.right = abd.rc.left + sWidth;
break;
case (int)ABEdge.ABE_RIGHT:
abd.rc.left = abd.rc.right - sWidth;
break;
case (int)ABEdge.ABE_TOP:
abd.rc.bottom = abd.rc.top + sHeight;
break;
case (int)ABEdge.ABE_BOTTOM:
abd.rc.top = abd.rc.bottom - sHeight;
break;
}
prepareForInterop();
NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_SETPOS, ref abd);
interopDone();
// tracing
bool isSameCoords = false;
if (!isCreate)
{
isSameCoords = abd.rc.top == (abWindow.Top * dpiScale) && abd.rc.left == (abWindow.Left * dpiScale) && abd.rc.bottom == (abWindow.Top * dpiScale) + sHeight && abd.rc.right == (abWindow.Left * dpiScale) + sWidth;
}
int h = abd.rc.bottom - abd.rc.top;
if (!isSameCoords)
{
CairoLogger.Instance.Debug(abWindow.Name + " AppBar height is " + h.ToString());
}
abWindow.Dispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle,
new ResizeDelegate(DoResize), abd.hWnd, abd.rc.left, abd.rc.top, abd.rc.right - abd.rc.left, abd.rc.bottom - abd.rc.top, isSameCoords);
if (h < sHeight)
{
ABSetPos(abWindow, screen, width, height, edge);
}
}
}
public static void ABSetPos(AppBarWindow abWindow, double width, double height, ABEdge edge, bool isCreate = false)
{
lock (appBarLock)
{
APPBARDATA abd = new APPBARDATA
{
cbSize = Marshal.SizeOf(typeof(APPBARDATA)),
hWnd = abWindow.Handle,
uEdge = (int)edge
};
int sWidth = (int)width;
int sHeight = (int)height;
int top = 0;
int left = 0;
int right = WindowManager.PrimaryMonitorDeviceSize.Width;
int bottom = WindowManager.PrimaryMonitorDeviceSize.Height;
if (abWindow.Screen != null)
{
top = abWindow.Screen.Bounds.Y;
left = abWindow.Screen.Bounds.X;
right = abWindow.Screen.Bounds.Right;
bottom = abWindow.Screen.Bounds.Bottom;
}
if (abd.uEdge == (int)ABEdge.ABE_LEFT || abd.uEdge == (int)ABEdge.ABE_RIGHT)
{
abd.rc.Top = top;
abd.rc.Bottom = bottom;
if (abd.uEdge == (int)ABEdge.ABE_LEFT)
{
abd.rc.Left = left;
abd.rc.Right = abd.rc.Left + sWidth;
}
else
{
abd.rc.Right = right;
abd.rc.Left = abd.rc.Right - sWidth;
}
}
else
{
abd.rc.Left = left;
abd.rc.Right = right;
if (abd.uEdge == (int)ABEdge.ABE_TOP)
{
if (!abWindow.requiresScreenEdge)
{
abd.rc.Top = top + Convert.ToInt32(GetAppBarEdgeWindowsHeight((ABEdge)abd.uEdge, abWindow.Screen));
}
else
{
abd.rc.Top = top;
}
abd.rc.Bottom = abd.rc.Top + sHeight;
}
else
{
if (!abWindow.requiresScreenEdge)
{
abd.rc.Bottom = bottom - Convert.ToInt32(GetAppBarEdgeWindowsHeight((ABEdge)abd.uEdge, abWindow.Screen));
}
else
{
abd.rc.Bottom = bottom;
}
abd.rc.Top = abd.rc.Bottom - sHeight;
}
}
PrepareForInterop();
SHAppBarMessage((int)ABMsg.ABM_QUERYPOS, ref abd);
InteropDone();
// system doesn't adjust all edges for us, do some adjustments
switch (abd.uEdge)
{
case (int)ABEdge.ABE_LEFT:
abd.rc.Right = abd.rc.Left + sWidth;
break;
case (int)ABEdge.ABE_RIGHT:
abd.rc.Left = abd.rc.Right - sWidth;
break;
case (int)ABEdge.ABE_TOP:
abd.rc.Bottom = abd.rc.Top + sHeight;
break;
case (int)ABEdge.ABE_BOTTOM:
abd.rc.Top = abd.rc.Bottom - sHeight;
break;
}
PrepareForInterop();
SHAppBarMessage((int)ABMsg.ABM_SETPOS, ref abd);
InteropDone();
// check if new coords
bool isSameCoords = false;
if (!isCreate)
{
bool topUnchanged = abd.rc.Top == (abWindow.Top * abWindow.dpiScale);
bool leftUnchanged = abd.rc.Left == (abWindow.Left * abWindow.dpiScale);
bool bottomUnchanged = abd.rc.Bottom == (abWindow.Top * abWindow.dpiScale) + sHeight;
bool rightUnchanged = abd.rc.Right == (abWindow.Left * abWindow.dpiScale) + sWidth;
isSameCoords = topUnchanged &&
leftUnchanged &&
bottomUnchanged &&
rightUnchanged;
}
if (!isSameCoords)
{
CairoLogger.Instance.Debug($"AppBarHelper: {abWindow.Name} changing position (TxLxBxR) to {abd.rc.Top}x{abd.rc.Left}x{abd.rc.Bottom}x{ abd.rc.Right} from {abWindow.Top * abWindow.dpiScale}x{abWindow.Left * abWindow.dpiScale}x{(abWindow.Top * abWindow.dpiScale) + sHeight}x{ (abWindow.Left * abWindow.dpiScale) + sWidth}");
abWindow.SetAppBarPosition(abd.rc);
}
abWindow.AfterAppBarPos(isSameCoords, abd.rc);
if (abd.rc.Bottom - abd.rc.Top < sHeight)
{
ABSetPos(abWindow, width, height, edge);
}
}
}
public static void ABSetPos(IntPtr handle, Size size, ABEdge edge)
{
NativeMethods.APPBARDATA abd = new NativeMethods.APPBARDATA();
abd.cbSize = Marshal.SizeOf(abd);
abd.hWnd = handle;
abd.uEdge = (int)edge;
if (abd.uEdge == (int)ABEdge.ABE_LEFT || abd.uEdge == (int)ABEdge.ABE_RIGHT)
{
abd.rc.top = 0;
abd.rc.bottom = PrimaryMonitorSize.Height;
if (abd.uEdge == (int)ABEdge.ABE_LEFT)
{
abd.rc.left = 0;
abd.rc.right = size.Width;
}
else
{
abd.rc.right = PrimaryMonitorSize.Width;
abd.rc.left = abd.rc.right - size.Width;
}
}
else
{
abd.rc.left = 0;
abd.rc.right = PrimaryMonitorSize.Width;
if (abd.uEdge == (int)ABEdge.ABE_TOP)
{
abd.rc.top = 0;
abd.rc.bottom = size.Height;
}
else
{
abd.rc.bottom = PrimaryMonitorSize.Height;
abd.rc.top = abd.rc.bottom - size.Height;
}
}
NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_QUERYPOS, ref abd);
switch (abd.uEdge)
{
case (int)ABEdge.ABE_LEFT:
abd.rc.right = abd.rc.left + size.Width;
break;
case (int)ABEdge.ABE_RIGHT:
abd.rc.left = abd.rc.right - size.Width;
break;
case (int)ABEdge.ABE_TOP:
abd.rc.bottom = abd.rc.top + size.Height;
break;
case (int)ABEdge.ABE_BOTTOM:
abd.rc.top = abd.rc.bottom - size.Height;
break;
}
NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_SETPOS, ref abd);
// tracing
Trace.WriteLineIf(abd.uEdge == (int)ABEdge.ABE_TOP, "Top AppBar height is " + (abd.rc.bottom - abd.rc.top).ToString());
Trace.WriteLineIf(abd.uEdge == (int)ABEdge.ABE_BOTTOM, "Bottom AppBar height is " + (abd.rc.bottom - abd.rc.top).ToString());
NativeMethods.MoveWindow(abd.hWnd, abd.rc.left, abd.rc.top, abd.rc.right - abd.rc.left, abd.rc.bottom - abd.rc.top, true);
}
private void SetAsAppBar(ABEdge edge)
{
_currentAppBarEdge = edge;
AppBarFunctions.SetAppBar(this, edge, topMost: Settings.Topmost);
}
private void SetAsAppBar(ABEdge edge) => AppBarFunctions.SetAppBar(this, edge, topMost: Settings.Topmost);
private static void ABSetPos(ABEdge edge, Window appbarWindow)
{
var barData = new Interop.APPBARDATA();
barData.cbSize = Marshal.SizeOf(barData);
barData.hWnd = new WindowInteropHelper(appbarWindow).Handle;
barData.uEdge = (int)edge;
// Transforms a coordinate from WPF space to Screen space
var toPixel = PresentationSource.FromVisual(appbarWindow).CompositionTarget.TransformToDevice;
// Transforms a coordinate from Screen space to WPF space
var toWpfUnit = PresentationSource.FromVisual(appbarWindow).CompositionTarget.TransformFromDevice;
// Transform window size from wpf units (1/96 ") to real pixels, for win32 usage
var sizeInPixels = toPixel.Transform(new Vector(appbarWindow.ActualWidth, appbarWindow.ActualHeight));
// Even if the documentation says SystemParameters.PrimaryScreen{Width, Height} return values in
// "pixels", they return wpf units instead.
var screenSizeInPixels =
toPixel.Transform(new Vector(SystemParameters.PrimaryScreenWidth, SystemParameters.PrimaryScreenHeight));
if (barData.uEdge == (int)ABEdge.Left || barData.uEdge == (int)ABEdge.Right)
{
barData.rc.top = 0;
barData.rc.bottom = (int)screenSizeInPixels.Y;
if (barData.uEdge == (int)ABEdge.Left)
{
barData.rc.left = 0;
barData.rc.right = (int)Math.Round(sizeInPixels.X);
}
else
{
barData.rc.right = (int)screenSizeInPixels.X;
barData.rc.left = barData.rc.right - (int)Math.Round(sizeInPixels.X);
}
}
else
{
barData.rc.left = 0;
barData.rc.right = (int)screenSizeInPixels.X;
if (barData.uEdge == (int)ABEdge.Top)
{
barData.rc.top = 0;
barData.rc.bottom = (int)Math.Round(sizeInPixels.Y);
}
else
{
barData.rc.bottom = (int)screenSizeInPixels.Y;
barData.rc.top = barData.rc.bottom - (int)Math.Round(sizeInPixels.Y);
}
}
Interop.SHAppBarMessage((int)Interop.ABMsg.ABM_QUERYPOS, ref barData);
Interop.SHAppBarMessage((int)Interop.ABMsg.ABM_SETPOS, ref barData);
// transform back to wpf units, for wpf window resizing in DoResize.
var location = toWpfUnit.Transform(new Point(barData.rc.left, barData.rc.top));
var dimension = toWpfUnit.Transform(new Vector(barData.rc.right - barData.rc.left,
barData.rc.bottom - barData.rc.top));
var rect = new Rect(location, new Size(dimension.X, dimension.Y));
//This is done async, because WPF will send a resize after a new appbar is added.
//if we size right away, WPFs resize comes last and overrides us.
appbarWindow.Dispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle,
new ResizeDelegate(DoResize), appbarWindow, rect);
}
public static void ABSetPos(Window abWindow, Screen screen, double width, double height, ABEdge edge)
{
lock (appBarLock)
{
APPBARDATA abd = new APPBARDATA();
abd.cbSize = Marshal.SizeOf(typeof(APPBARDATA));
IntPtr handle = new WindowInteropHelper(abWindow).Handle;
abd.hWnd = handle;
abd.uEdge = (int)edge;
int sWidth = (int)width;
int sHeight = (int)height;
int top = 0;
int left = SystemInformation.PrimaryMonitorSize.Width; //TODO
int right = SystemInformation.PrimaryMonitorSize.Height; //TODO
int bottom = (int)Math.Floor(42 * App.DPI); //BIGTODO TODO
if (screen != null)
{
top = screen.Bounds.Y;
left = screen.Bounds.Left;
right = screen.Bounds.Right;
bottom = screen.Bounds.Bottom;
}
if (abd.uEdge == (int)ABEdge.ABE_LEFT || abd.uEdge == (int)ABEdge.ABE_RIGHT)
{
abd.rc.Top = top;
abd.rc.Bottom = bottom;
if (abd.uEdge == (int)ABEdge.ABE_LEFT)
{
abd.rc.Left = left;
abd.rc.Right = abd.rc.Left + sWidth;
}
else
{
abd.rc.Right = right;
abd.rc.Left = abd.rc.Right - sWidth;
}
}
else
{
abd.rc.Left = left;
abd.rc.Right = right;
if (abd.uEdge == (int)ABEdge.ABE_TOP)
{
if (abWindow is TaskbarWindow)
{
abd.rc.Top = top + Convert.ToInt32(24 * App.DPI); //BIGTODO TODO
}
else
{
abd.rc.Top = top;
}
abd.rc.Bottom = abd.rc.Top + sHeight;
}
else
{
abd.rc.Bottom = bottom;
abd.rc.Top = abd.rc.Bottom - sHeight;
}
}
SHAppBarMessage((int)ABMsg.ABM_SETPOS, ref abd);
int h = abd.rc.Bottom - abd.rc.Top;
abWindow.Dispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle,
new ResizeDelegate(DoResize), abd.hWnd, abd.rc.Left, abd.rc.Top,
abd.rc.Right - abd.rc.Left, abd.rc.Bottom - abd.rc.Top);
if (h < sHeight)
{
ABSetPos(abWindow, screen, width, height, edge);
}
}
}
public static int RegisterBar(Window abWindow, Screen screen, double width, double height, ABEdge edge = ABEdge.ABE_TOP)
{
lock (appBarLock)
{
NativeMethods.APPBARDATA abd = new NativeMethods.APPBARDATA();
abd.cbSize = Marshal.SizeOf(typeof(NativeMethods.APPBARDATA));
IntPtr handle = new WindowInteropHelper(abWindow).Handle;
abd.hWnd = handle;
if (!appBars.Contains(handle))
{
uCallBack = NativeMethods.RegisterWindowMessage("AppBarMessage");
abd.uCallbackMessage = uCallBack;
prepareForInterop();
uint ret = NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_NEW, ref abd);
interopDone();
appBars.Add(handle);
CairoLogger.Instance.Debug("Created AppBar for handle " + handle.ToString());
ABSetPos(abWindow, screen, width, height, edge, true);
}
else
{
prepareForInterop();
NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_REMOVE, ref abd);
interopDone();
appBars.Remove(handle);
CairoLogger.Instance.Debug("Removed AppBar for handle " + handle.ToString());
return(0);
}
}
return(uCallBack);
}
public static void ABSetPos(Window abWindow, Screen screen, double width, double height, ABEdge edge)
{
NativeMethods.APPBARDATA abd = new NativeMethods.APPBARDATA();
abd.cbSize = Marshal.SizeOf(typeof(NativeMethods.APPBARDATA));
IntPtr handle = new WindowInteropHelper(abWindow).Handle;
abd.hWnd = handle;
abd.uEdge = (int)edge;
int sWidth = (int)width;
int sHeight = (int)height;
int top = 0;
int left = SystemInformation.WorkingArea.Left;
int right = SystemInformation.WorkingArea.Right;
int bottom = PrimaryMonitorDeviceSize.Height;
if (screen != null)
{
top = screen.Bounds.Y;
left = screen.WorkingArea.Left;
right = screen.WorkingArea.Right;
bottom = screen.Bounds.Bottom;
}
if (abd.uEdge == (int)ABEdge.ABE_LEFT || abd.uEdge == (int)ABEdge.ABE_RIGHT)
{
abd.rc.top = top;
abd.rc.bottom = bottom;
if (abd.uEdge == (int)ABEdge.ABE_LEFT)
{
abd.rc.left = left;
abd.rc.right = abd.rc.left + sWidth;
}
else
{
abd.rc.right = right;
abd.rc.left = abd.rc.right - sWidth;
}
}
else
{
abd.rc.left = left;
abd.rc.right = right;
if (abd.uEdge == (int)ABEdge.ABE_TOP)
{
if (abWindow is Taskbar)
{
abd.rc.top = top + Convert.ToInt32(Startup.MenuBarWindow.Height);
}
else
{
abd.rc.top = top;
}
abd.rc.bottom = abd.rc.top + sHeight;
}
else
{
abd.rc.bottom = bottom;
abd.rc.top = abd.rc.bottom - sHeight;
}
}
NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_QUERYPOS, ref abd);
// system doesn't adjust all edges for us, do some adjustments
switch (abd.uEdge)
{
case (int)ABEdge.ABE_LEFT:
abd.rc.right = abd.rc.left + sWidth;
break;
case (int)ABEdge.ABE_RIGHT:
abd.rc.left = abd.rc.right - sWidth;
break;
case (int)ABEdge.ABE_TOP:
abd.rc.bottom = abd.rc.top + sHeight;
break;
case (int)ABEdge.ABE_BOTTOM:
abd.rc.top = abd.rc.bottom - sHeight;
break;
}
NativeMethods.SHAppBarMessage((int)NativeMethods.ABMsg.ABM_SETPOS, ref abd);
// tracing
int h = abd.rc.bottom - abd.rc.top;
Trace.WriteLineIf(abd.uEdge == (int)ABEdge.ABE_TOP, "Top AppBar height is " + h.ToString());
Trace.WriteLineIf(abd.uEdge == (int)ABEdge.ABE_BOTTOM, "Bottom AppBar height is " + h.ToString());
abWindow.Dispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle,
new ResizeDelegate(DoResize), abd.hWnd, abd.rc.left, abd.rc.top, abd.rc.right - abd.rc.left, abd.rc.bottom - abd.rc.top);
if (h < sHeight)
{
ABSetPos(abWindow, screen, width, height, edge);
}
}
