terminal/src/cascadia/TerminalControl/pch.h
Mike Griese 7f3bc3cb04
Only access ControlInteractivity through the projection (#10051)
## Summary of the Pull Request

This forces the `TermControl` to only use `ControlCore` and `ControlInteractivity` via their WinRT projections. We want this, because WinRT projections can be used across process boundaries. In the future, `ControlCore` and `ControlInteractivity` are going to be living in a different process entirely from `TermControl`. By enforcing this boundary now, we can make sure that they will work seamlessly in the future.

## References
* Tear-out: #1256
* Megathread: #5000
* Project: https://github.com/microsoft/terminal/projects/5

## PR Checklist
* [x] Closes https://github.com/microsoft/terminal/projects/5#card-50760270
* [x] I work here
* [x] Tests added/passed
* [n/a] Requires documentation to be updated

## Detailed Description of the Pull Request / Additional comments

Most all this was just converting pure c++ types to winrt types when possible. I've added a couple helper projections with `til` converters, which made most of this really easy.

The "`MouseButtonState` needs to be composed of `Int32`s instead of `bool`s" is MENTAL. I have no idea why this is, but when I had the control OOP in the sample, that would crash when trying to de-marshal the bools. BODGY.

The biggest changes are in the way the UIA stuff is hooked up. The UiaEngine needs to be attached directly to the `Renderer`, and it can't be easily projected, so it needs to live next to the `ControlCore`. But the `TermControlAutomationPeer` needed the `UiaEngine` to help implement some interfaces.

Now, there's a new layer we've introduced. `InteractivityAutomationPeer` does the `ITextProvider`, `IControlAccessibilityInfo` and the `IUiaEventDispatcher` thing. `TermControlAutomationPeer` now has a 
`InteractivityAutomationPeer` stashed inside itself, so that it can ask the interactivity layer to do the real work. We still need the `TermControlAutomationPeer` though, to be able to attach to the real UI tree.

## Validation Steps Performed

The terminal behaves basically the same as before.

Most importantly, I whipped out Accessibility Insights, and the Terminal looks the same as before.
2021-07-19 11:59:30 -05:00

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C

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
//
// pch.h
// Header for platform projection include files
//
#pragma once
#define WIN32_LEAN_AND_MEAN
#define NOMCX
#define NOHELP
#define NOCOMM
// Manually include til after we include Windows.Foundation to give it winrt superpowers
#define BLOCK_TIL
#include <LibraryIncludes.h>
// This is inexplicable, but for whatever reason, cppwinrt conflicts with the
// SDK definition of this function, so the only fix is to undef it.
// from WinBase.h
// Windows::UI::Xaml::Media::Animation::IStoryboard::GetCurrentTime
#ifdef GetCurrentTime
#undef GetCurrentTime
#endif
#include <wil/cppwinrt.h>
#include <unknwn.h>
#include <winrt/Windows.Foundation.h>
#include <winrt/Windows.Foundation.Collections.h>
#include <winrt/Windows.system.h>
#include <winrt/Windows.Graphics.Display.h>
#include <winrt/windows.ui.core.h>
#include <winrt/Windows.ui.input.h>
#include <winrt/Windows.UI.ViewManagement.h>
#include <winrt/Windows.UI.Xaml.h>
#include <winrt/Windows.UI.Xaml.Automation.Peers.h>
#include <winrt/Windows.UI.Text.Core.h>
#include <winrt/Windows.UI.Xaml.Controls.h>
#include <winrt/Windows.UI.Xaml.Controls.Primitives.h>
#include <winrt/Windows.UI.Xaml.Data.h>
#include <winrt/Windows.Ui.Xaml.Documents.h>
#include <winrt/Windows.UI.Xaml.Media.h>
#include <winrt/Windows.UI.Xaml.Media.Imaging.h>
#include <winrt/Windows.UI.Xaml.Input.h>
#include <winrt/Windows.UI.Xaml.Interop.h>
#include <winrt/Windows.ui.xaml.markup.h>
#include <winrt/Windows.ApplicationModel.DataTransfer.h>
#include <winrt/Windows.Storage.h>
#include <winrt/Microsoft.Terminal.TerminalConnection.h>
#include <winrt/Microsoft.Terminal.Core.h>
#include <windows.ui.xaml.media.dxinterop.h>
#include <TraceLoggingProvider.h>
TRACELOGGING_DECLARE_PROVIDER(g_hTerminalControlProvider);
#include <telemetry/ProjectTelemetry.h>
#include <WinUser.h>
#include "til.h"
#include "ThrottledFunc.h"