Files
PowerToys/src/modules/peek/Peek.UI/Extensions/WindowExtensions.cs
Stefan Markovic 6a092548b1 [Refactor]Use same improved BringToForeground across the solution (#28532)
* Use single BringToForeground across the solution

* Close flyout manually

* Try with sending input, if it fails try threads
2023-10-23 17:16:11 +01:00

54 lines
2.2 KiB
C#

// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Runtime.InteropServices;
using ManagedCommon;
using Microsoft.UI.Xaml;
using Windows.Win32;
using Windows.Win32.Foundation;
using Windows.Win32.Graphics.Gdi;
using Windows.Win32.UI.WindowsAndMessaging;
using WinUIEx;
namespace Peek.UI.Extensions
{
public static class WindowExtensions
{
public static double GetMonitorScale(this Window window)
{
var hwnd = new HWND(window.GetWindowHandle());
return hwnd.GetMonitorScale();
}
internal static void CenterOnMonitor(this Window window, HWND hwndDesktop, double? width = null, double? height = null)
{
var hwndToCenter = new HWND(window.GetWindowHandle());
var monitor = PInvoke.MonitorFromWindow(hwndDesktop, MONITOR_FROM_FLAGS.MONITOR_DEFAULTTONEAREST);
MONITORINFO info = default(MONITORINFO);
info.cbSize = 40;
PInvoke.GetMonitorInfo(monitor, ref info);
var dpi = PInvoke.GetDpiForWindow(new HWND(hwndDesktop));
PInvoke.GetWindowRect(new HWND(hwndToCenter), out RECT windowRect);
var scalingFactor = dpi / 96d;
var w = width.HasValue ? (int)(width * scalingFactor) : windowRect.right - windowRect.left;
var h = height.HasValue ? (int)(height * scalingFactor) : windowRect.bottom - windowRect.top;
var cx = (info.rcMonitor.left + info.rcMonitor.right) / 2;
var cy = (info.rcMonitor.bottom + info.rcMonitor.top) / 2;
var left = cx - (w / 2);
var top = cy - (h / 2);
SetWindowPosOrThrow(new HWND(hwndToCenter), default(HWND), left, top, w, h, SET_WINDOW_POS_FLAGS.SWP_SHOWWINDOW);
}
private static void SetWindowPosOrThrow(HWND hWnd, HWND hWndInsertAfter, int x, int y, int cx, int cy, SET_WINDOW_POS_FLAGS uFlags)
{
bool result = PInvoke.SetWindowPos(hWnd, hWndInsertAfter, x, y, cx, cy, uFlags);
if (!result)
{
Marshal.ThrowExceptionForHR(Marshal.GetLastWin32Error());
}
}
}
}