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fix(flutter): align terminal shortcuts with platform conventions (#15970)

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* fix(flutter): align terminal shortcuts with platform conventions

Signed-off-by: fufesou <linlong1266@gmail.com>

* fix(flutter): handle Linux terminal paste with modifier locks

Detect platform-specific paste shortcuts so Ctrl+Shift+V bypasses
virtual Ctrl/Alt modifiers on Linux. Add regression coverage.

Signed-off-by: fufesou <linlong1266@gmail.com>

---------

Signed-off-by: fufesou <linlong1266@gmail.com>
This commit is contained in:
fufesou
2026-08-27 16:33:58 +08:00
committed by GitHub
parent 1fe451c2e8
commit 03a7fc5992
4 changed files with 110 additions and 27 deletions
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21
flutter/lib/models/input_modifier_utils.dart
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@@ -117,10 +117,11 @@ String prepareTerminalInputPayload(
/// Returns true when a hardware paste shortcut must bypass keyboard modifiers.
///
/// xterm already handles hardware Ctrl/Cmd+V correctly in the common case. Only
/// intercept while a virtual Ctrl/Alt lock is active, because xterm can emit a
/// one-character paste as normal text when bracketed paste mode is disabled.
/// xterm already handles each platform's paste shortcut in the common case.
/// Only intercept while a virtual Ctrl/Alt lock is active, because xterm can
/// emit a one-character paste as normal text when bracketed paste mode is off.
bool shouldHandleTerminalPasteShortcut({
required TargetPlatform platform,
required LogicalKeyboardKey logicalKey,
required bool isKeyDown,
required bool isKeyRepeat,
@@ -133,8 +134,18 @@ bool shouldHandleTerminalPasteShortcut({
if (!modifierLockActive) return false;
if (!isKeyDown && !isKeyRepeat) return false;
if (logicalKey != LogicalKeyboardKey.keyV) return false;
if (altPressed || shiftPressed) return false;
return controlPressed != metaPressed;
if (altPressed) return false;
switch (platform) {
case TargetPlatform.linux:
return controlPressed && !metaPressed && shiftPressed;
case TargetPlatform.iOS:
case TargetPlatform.macOS:
return !controlPressed && metaPressed && !shiftPressed;
case TargetPlatform.android:
case TargetPlatform.fuchsia:
case TargetPlatform.windows:
return controlPressed && !metaPressed && !shiftPressed;
}
}
/// Returns true when collapsing Row3 should also clear hidden modifier state.