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Fixed bug where items are destroyed during configuration update

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This commit is contained in:
TheXamlGuy
2024-01-17 18:58:57 +00:00
parent 2f22c81384
commit 67b0456cbd
8 changed files with 162 additions and 108 deletions
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Hyperbar.Windows.Interop/WindowSnapping.cs
+136 -74
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@@ -4,87 +4,17 @@ using Windows.Win32.Foundation;
namespace Hyperbar.Windows.Interop;
public class WindowSnapping
public class WindowSnapping :
IDisposable
{
private readonly uint callback;
private readonly nint hwnd;
private uint callback;
private WindowSnappingPlacement placement;
public WindowSnapping(IntPtr hwnd)
{
this.hwnd = hwnd;
InitializeAppBarWindow();
}
private enum AppBarMsg : int
{
ABM_NEW = 0,
ABM_REMOVE,
ABM_QUERYPOS,
ABM_SETPOS,
ABM_GETSTATE,
ABM_GETTASKBARPOS,
ABM_ACTIVATE,
ABM_GETAUTOHIDEBAR,
ABM_SETAUTOHIDEBAR,
ABM_WINDOWPOSCHANGED,
ABM_SETSTATE
}
public static WindowSnapping Create(IntPtr hwnd)
{
return new WindowSnapping(hwnd);
}
public void Snap(AppBarWindowPlacement placement, int size)
{
uint dpi = PInvoke.GetDpiForWindow(new HWND(hwnd));
double scalingFactor = dpi / 96d;
int actualSize = (int)(size * scalingFactor);
Screen screen = Screen.FromHandle(hwnd);
APPBARDATA32 appBarData = new();
appBarData.cbSize = (uint)Marshal.SizeOf(appBarData);
appBarData.hWnd = new HWND(hwnd);
appBarData.uEdge = (uint)placement;
appBarData.rc = new RECT
{
left = (int)screen.Bounds.Left,
top = (int)screen.Bounds.Top,
right = (int)screen.Bounds.Right,
bottom = (int)screen.Bounds.Bottom
};
PInvoke.SHAppBarMessage((int)AppBarMsg.ABM_QUERYPOS, ref appBarData);
switch (placement)
{
case AppBarWindowPlacement.Top:
appBarData.rc.bottom = appBarData.rc.top + actualSize;
break;
case AppBarWindowPlacement.Bottom:
appBarData.rc.top = appBarData.rc.bottom - actualSize;
break;
case AppBarWindowPlacement.Left:
appBarData.rc.right = appBarData.rc.left + actualSize;
break;
case AppBarWindowPlacement.Right:
appBarData.rc.left = appBarData.rc.right - actualSize;
break;
default: throw new NotSupportedException();
}
PInvoke.SHAppBarMessage((int)AppBarMsg.ABM_SETPOS, ref appBarData);
PInvoke.SetWindowPos(new HWND(hwnd), new HWND(),
appBarData.rc.left,
appBarData.rc.top,
appBarData.rc.right - appBarData.rc.left,
appBarData.rc.bottom - appBarData.rc.top, 0);
}
private void InitializeAppBarWindow()
{
if (Environment.Is64BitProcess)
{
APPBARDATA64 appBarData = new();
@@ -107,4 +37,136 @@ public class WindowSnapping
_ = PInvoke.SHAppBarMessage(0, ref appBarData);
}
}
~WindowSnapping()
{
Dispose();
}
public static WindowSnapping Create(IntPtr hwnd) => new(hwnd);
public void Dispose()
{
GC.SuppressFinalize(this);
Remove();
}
public void Snap(WindowSnappingPlacement placement,
int size)
{
this.placement = placement;
uint dpi = PInvoke.GetDpiForWindow(new HWND(hwnd));
double scalingFactor = dpi / 96d;
int actualSize = (int)(size * scalingFactor);
if (Environment.Is64BitProcess)
{
APPBARDATA64 appBarData = GetAppBarData64();
appBarData.rc = GetScreen();
PInvoke.SHAppBarMessage(2, ref appBarData);
switch (placement)
{
case WindowSnappingPlacement.Top:
appBarData.rc.bottom = appBarData.rc.top + actualSize;
break;
case WindowSnappingPlacement.Bottom:
appBarData.rc.top = appBarData.rc.bottom - actualSize;
break;
case WindowSnappingPlacement.Left:
appBarData.rc.right = appBarData.rc.left + actualSize;
break;
case WindowSnappingPlacement.Right:
appBarData.rc.left = appBarData.rc.right - actualSize;
break;
default: throw new NotSupportedException();
}
PInvoke.SHAppBarMessage(3, ref appBarData);
PInvoke.SetWindowPos(new HWND(hwnd), new HWND(),
appBarData.rc.left,
appBarData.rc.top,
appBarData.rc.right - appBarData.rc.left,
appBarData.rc.bottom - appBarData.rc.top, 0);
}
else
{
APPBARDATA32 appBarData = GetAppBarData32();
appBarData.rc = GetScreen();
PInvoke.SHAppBarMessage(2, ref appBarData);
switch (placement)
{
case WindowSnappingPlacement.Top:
appBarData.rc.bottom = appBarData.rc.top + actualSize;
break;
case WindowSnappingPlacement.Bottom:
appBarData.rc.top = appBarData.rc.bottom - actualSize;
break;
case WindowSnappingPlacement.Left:
appBarData.rc.right = appBarData.rc.left + actualSize;
break;
case WindowSnappingPlacement.Right:
appBarData.rc.left = appBarData.rc.right - actualSize;
break;
default: throw new NotSupportedException();
}
PInvoke.SHAppBarMessage(3, ref appBarData);
PInvoke.SetWindowPos(new HWND(hwnd), new HWND(),
appBarData.rc.left,
appBarData.rc.top,
appBarData.rc.right - appBarData.rc.left,
appBarData.rc.bottom - appBarData.rc.top, 0);
}
}
private APPBARDATA32 GetAppBarData32()
{
APPBARDATA32 appBarData = new();
appBarData.cbSize = (uint)Marshal.SizeOf(appBarData);
appBarData.hWnd = new HWND(hwnd);
appBarData.uEdge = (uint)placement;
return appBarData;
}
private APPBARDATA64 GetAppBarData64()
{
APPBARDATA64 appBarData = new();
appBarData.cbSize = (uint)Marshal.SizeOf(appBarData);
appBarData.hWnd = new HWND(hwnd);
appBarData.uEdge = (uint)placement;
return appBarData;
}
private RECT GetScreen()
{
Screen screen = Screen.FromHandle(hwnd);
return new RECT
{
left = (int)screen.Bounds.Left,
top = (int)screen.Bounds.Top,
right = (int)screen.Bounds.Right,
bottom = (int)screen.Bounds.Bottom
};
}
private void Remove()
{
if (Environment.Is64BitProcess)
{
APPBARDATA64 appBarData = GetAppBarData64();
PInvoke.SHAppBarMessage(2, ref appBarData);
}
else
{
APPBARDATA64 appBarData = GetAppBarData64();
PInvoke.SHAppBarMessage(1, ref appBarData);
}
}
}