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Add send-input command with delayed enter and optional activation #20106

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laffo16 wants to merge 4 commits into from
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Add send-input command with delayed enter and optional activation #20106

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33e93ad
Add send-input commandline action
laffo16 Apr 9, 2026
815b074
Add optional delayed Enter support to send-input
laffo16 Apr 11, 2026
3b2782c
Refine send-input activation and delayed enter
laffo16 Apr 12, 2026
283e6a3
Tighten send-input review fixes
laffo16 Apr 12, 2026
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6 changes: 6 additions & 0 deletions doc/cascadia/profiles.schema.json
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Original file line number Diff line number Diff line change
Expand Up @@ -1108,6 +1108,12 @@
"type": "string",
"default": "",
"description": "The text input to feed into the shell. ANSI escape sequences may be used. Escape codes like \\x1b must be written as \\u001b."
},
"enterDelayMs": {
"type": "integer",
"minimum": 0,
"default": 0,
"description": "Delay the trailing Enter key by the given number of milliseconds when the input should be submitted after a short pause."
}
}
}
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389 changes: 376 additions & 13 deletions src/cascadia/LocalTests_TerminalApp/CommandlineTest.cpp
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48 changes: 34 additions & 14 deletions src/cascadia/TerminalApp/AppActionHandlers.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -29,11 +29,27 @@ namespace winrt
using IInspectable = Windows::Foundation::IInspectable;
}

namespace winrt::TerminalApp::implementation
{
TermControl TerminalPage::_senderOrActiveControl(const IInspectable& sender)
{
if (sender)
namespace winrt::TerminalApp::implementation
{
namespace
{
safe_void_coroutine _SendInputEnterAfterDelay(winrt::weak_ref<TermControl> weakControl, const CoreDispatcher dispatcher, const uint32_t enterDelayMs)
{
co_await winrt::resume_after(std::chrono::milliseconds{ enterDelayMs });
co_await wil::resume_foreground(dispatcher);

if (const auto termControl{ weakControl.get() })
{
// Delayed Enter is intentionally a second injection so clients can
// observe the text payload before submit.
termControl.SendInput(L"\r");
}
}
}

TermControl TerminalPage::_senderOrActiveControl(const IInspectable& sender)
{
if (sender)
{
if (auto arg{ sender.try_as<TermControl>() })
{
Expand Down Expand Up @@ -180,15 +196,19 @@ namespace winrt::TerminalApp::implementation
if (args == nullptr)
{
args.Handled(false);
}
else if (const auto& realArgs = args.ActionArgs().try_as<SendInputArgs>())
{
if (const auto termControl{ _senderOrActiveControl(sender) })
{
termControl.SendInput(realArgs.Input());
args.Handled(true);
}
}
}
else if (const auto& realArgs = args.ActionArgs().try_as<SendInputArgs>())
{
if (const auto termControl{ _senderOrActiveControl(sender) })
{
termControl.SendInput(realArgs.Input());
if (realArgs.EnterDelayMs() > 0)
{
_SendInputEnterAfterDelay(winrt::weak_ref<TermControl>{ termControl }, termControl.Dispatcher(), realArgs.EnterDelayMs());
}
args.Handled(true);
}
}
}

void TerminalPage::_HandleCloseOtherPanes(const IInspectable& sender,
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