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[FZEditor]Gain focus after launching the editor (#25827)

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* [Power Toys - Fancy Zones] Focus problem when activating layour editor is solved.

* haveTriedToGetFocusAlready variable added for focusing one time.

* [Power Toys - Fancy Zones] Functions are added to NativeMethods.cs
This commit is contained in:
gokcekantarci
2023-05-05 18:46:27 +03:00
committed by GitHub
parent b428784fa6
commit 9c712760f9
2 changed files with 64 additions and 0 deletions
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45
src/modules/fancyzones/editor/FancyZonesEditor/MainWindow.xaml.cs
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@@ -5,11 +5,13 @@
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Runtime.InteropServices;
using System.Windows;
using System.Windows.Automation;
using System.Windows.Automation.Peers;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Interop;
using Common.UI;
using FancyZonesEditor.Models;
using FancyZonesEditor.Utils;
@@ -34,6 +36,8 @@ namespace FancyZonesEditor
private ContentDialog _openedDialog;
private TextBlock _createLayoutAnnounce;
private bool haveTriedToGetFocusAlready;
public int WrapPanelItemSize { get; set; } = DefaultWrapPanelItemSize;
public MainWindow(bool spanZonesAcrossMonitors, Rect workArea)
@@ -63,6 +67,42 @@ namespace FancyZonesEditor
_settings.InitModels();
}
private void BringToFront()
{
// Get the window handle of the FancyZones Editor window
IntPtr handle = new WindowInteropHelper(this).Handle;
// Get the handle of the window currently in the foreground
IntPtr foregroundWindowHandle = NativeMethods.GetForegroundWindow();
// Get the thread IDs of the current thread and the thread of the foreground window
uint currentThreadId = NativeMethods.GetCurrentThreadId();
uint activeThreadId = NativeMethods.GetWindowThreadProcessId(foregroundWindowHandle, IntPtr.Zero);
// Check if the active thread is different from the current thread
if (activeThreadId != currentThreadId)
{
// Attach the input processing mechanism of the current thread to the active thread
NativeMethods.AttachThreadInput(activeThreadId, currentThreadId, true);
// Set the FancyZones Editor window as the foreground window
NativeMethods.SetForegroundWindow(handle);
// Detach the input processing mechanism of the current thread from the active thread
NativeMethods.AttachThreadInput(activeThreadId, currentThreadId, false);
}
else
{
// Set the FancyZones Editor window as the foreground window
NativeMethods.SetForegroundWindow(handle);
}
// Bring the FancyZones Editor window to the foreground and activate it
NativeMethods.SwitchToThisWindow(handle, true);
haveTriedToGetFocusAlready = true;
}
public void Update()
{
DataContext = _settings;
@@ -408,6 +448,11 @@ namespace FancyZonesEditor
// This is required to fix a WPF rendering bug when using custom chrome
private void OnContentRendered(object sender, EventArgs e)
{
if (!haveTriedToGetFocusAlready)
{
BringToFront();
}
InvalidateVisual();
}

19
src/modules/fancyzones/editor/FancyZonesEditor/NativeMethods.cs
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@@ -15,5 +15,24 @@ namespace FancyZonesEditor
[DllImport("kernel32", CharSet = CharSet.Unicode, ExactSpelling = true, SetLastError = true)]
public static extern IntPtr GetProcAddress(IntPtr hModule, string procName);
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool SetForegroundWindow(IntPtr hWnd);
[DllImport("user32.dll")]
public static extern void SwitchToThisWindow(IntPtr hWnd, bool fAltTab);
[DllImport("user32.dll")]
public static extern IntPtr GetForegroundWindow();
[DllImport("user32.dll")]
public static extern uint GetWindowThreadProcessId(IntPtr hWnd, IntPtr processId);
[DllImport("kernel32.dll")]
public static extern uint GetCurrentThreadId();
[DllImport("user32.dll")]
public static extern bool AttachThreadInput(uint idAttach, uint idAttachTo, bool fAttach);
}
}