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Screencast Mode: Implemented new PowerToys Module for Keyboard Visualization (#44249)

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<!-- Enter a brief description/summary of your PR here. What does it
fix/what does it change/how was it tested (even manually, if necessary)?
-->
## Summary of the Pull Request

<!-- Please review the items on the PR checklist before submitting-->
## PR Checklist

- [X] Closes: #981
<!-- - [ ] Closes: #yyy (add separate lines for additional resolved
issues) -->
- [X] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

<!-- Provide a more detailed description of the PR, other things fixed,
or any additional comments/features here -->
## Detailed Description of the Pull Request / Additional comments

This pull request implements Screencast Mode, a keyboard visualization
module. The implementation of this module was made with the goal of
adhering to current PowerToys development conventions. There is
currently no Unit Tests to do automated testing for the module or its
settings, which would need to be added in the future. For more
information, there is a README that is located in
src/modules/ScreencastMode

<!-- Describe how you validated the behavior. Add automated tests
wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed
For validation, the module was built using the appropriate steps to get
the .exe for PowerToys and that executable was run. From there, the
module was manually tested from simple typing on the keyboard to
changing settings around for the module.

---------

Co-authored-by: Zoha Ahmed <122557699+Zoha-ahmed@users.noreply.github.com>
Co-authored-by: Jaylyn Barbee <51131738+Jaylyn-Barbee@users.noreply.github.com>
Co-authored-by: Gleb Khmyznikov <gleb.khmyznikov@gmail.com>
Co-authored-by: Guilherme <57814418+DevLGuilherme@users.noreply.github.com>
Co-authored-by: Kai Tao <69313318+vanzue@users.noreply.github.com>
Co-authored-by: Shawn Yuan <128874481+shuaiyuanxx@users.noreply.github.com>
Co-authored-by: leileizhang <leilzh@microsoft.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Jiří Polášek <me@jiripolasek.com>
This commit is contained in:
Ayaan31
2025-12-14 03:39:04 -05:00
committed by GitHub
parent 97c1de8bf6
commit 06285ff894
140 changed files with 6509 additions and 615 deletions
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52
src/modules/cmdpal/Microsoft.CmdPal.UI/MainWindow.xaml.cs
View File

@@ -52,6 +52,8 @@ public sealed partial class MainWindow : WindowEx,
IRecipient<ShowWindowMessage>,
IRecipient<HideWindowMessage>,
IRecipient<QuitMessage>,
IRecipient<DragStartedMessage>,
IRecipient<DragCompletedMessage>,
IDisposable
{
private const int DefaultWidth = 800;
@@ -79,6 +81,8 @@ public sealed partial class MainWindow : WindowEx,
private WindowPosition _currentWindowPosition = new();
private bool _preventHideWhenDeactivated;
private MainWindowViewModel ViewModel { get; }
public MainWindow()
@@ -119,6 +123,8 @@ public sealed partial class MainWindow : WindowEx,
WeakReferenceMessenger.Default.Register<QuitMessage>(this);
WeakReferenceMessenger.Default.Register<ShowWindowMessage>(this);
WeakReferenceMessenger.Default.Register<HideWindowMessage>(this);
WeakReferenceMessenger.Default.Register<DragStartedMessage>(this);
WeakReferenceMessenger.Default.Register<DragCompletedMessage>(this);
// Hide our titlebar.
// We need to both ExtendsContentIntoTitleBar, then set the height to Collapsed
@@ -751,6 +757,12 @@ public sealed partial class MainWindow : WindowEx,
return;
}
// We're doing something that requires us to lose focus, but we don't want to hide the window
if (_preventHideWhenDeactivated)
{
return;
}
// This will DWM cloak our window:
HideWindow();
@@ -1027,4 +1039,44 @@ public sealed partial class MainWindow : WindowEx,
_windowThemeSynchronizer.Dispose();
DisposeAcrylic();
}
public void Receive(DragStartedMessage message)
{
_preventHideWhenDeactivated = true;
}
public void Receive(DragCompletedMessage message)
{
_preventHideWhenDeactivated = false;
Task.Delay(200).ContinueWith(_ =>
{
DispatcherQueue.TryEnqueue(StealForeground);
});
}
private unsafe void StealForeground()
{
var foregroundWindow = PInvoke.GetForegroundWindow();
if (foregroundWindow == _hwnd)
{
return;
}
// This is bad, evil, and I'll have to forgo today's dinner dessert to punish myself
// for writing this. But there's no way to make this work without it.
// If the window is not reactivated, the UX breaks down: a deactivated window has to
// be activated and then deactivated again to hide.
var currentThreadId = PInvoke.GetCurrentThreadId();
var foregroundThreadId = PInvoke.GetWindowThreadProcessId(foregroundWindow, null);
if (foregroundThreadId != currentThreadId)
{
PInvoke.AttachThreadInput(currentThreadId, foregroundThreadId, true);
PInvoke.SetForegroundWindow(_hwnd);
PInvoke.AttachThreadInput(currentThreadId, foregroundThreadId, false);
}
else
{
PInvoke.SetForegroundWindow(_hwnd);
}
}
}