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Page Up / Page Down in text fields #107602
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It looks like this pull request may not have tests. Please make sure to add tests before merging. If you need an exemption to this rule, contact Hixie on the #hackers channel in Chat (don't just cc him here, he won't see it! He's on Discord!). If you are not sure if you need tests, consider this rule of thumb: the purpose of a test is to make sure someone doesn't accidentally revert the fix. Ask yourself, is there anything in your PR that you feel it is important we not accidentally revert back to how it was before your fix? Reviewers: Read the Tree Hygiene page and make sure this patch meets those guidelines before LGTMing. |
/cc @justinmc @goderbauer as this is now ready for the 1st round of reviews. |
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Some comments here but overall this is looking good. I think the test failures might be flakes, but I was having trouble re-running them. We'll see if they go away when you push a new commit.
const SingleActivator(LogicalKeyboardKey.arrowLeft): const ExtendSelectionByCharacterIntent(forward: false, collapseSelection: true), | ||
const SingleActivator(LogicalKeyboardKey.arrowRight): const ExtendSelectionByCharacterIntent(forward: true, collapseSelection: true), | ||
const SingleActivator(LogicalKeyboardKey.arrowUp): const ExtendSelectionVerticallyToAdjacentLineIntent(forward: false, collapseSelection: true), | ||
const SingleActivator(LogicalKeyboardKey.arrowDown): const ExtendSelectionVerticallyToAdjacentLineIntent(forward: true, collapseSelection: true), | ||
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// Shift + Arrow: Extend Selection. | ||
// Shift + Arrow: Extend selection. |
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👍
VerticalCaretMovementRun? _verticalMovementRun; | ||
TextSelection? _runSelection; | ||
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void stopCurrentVerticalRunIfSelectionChanges() { |
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Can this method be removed?
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I don't think so: vertical runs should be kept with both arrows and page up/down. I now see though that the call to it is missing in _didChangeTextEditingValue()
so I'll add that.
I'll experiment with mergint the two Line/Page intents and actions into one to simplify things a bit.
(intent.forward ? 1.0 : -1.0) * state.renderEditable.size.height); | ||
final TextPosition newExtent = shouldMove | ||
? currentRun.current | ||
: (intent.forward ? TextPosition(offset: state._value.text.length) : const TextPosition(offset: 0)); |
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Are these parentheses necessary?
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That was a copy&paste from the *Line class - should be OK to remove.
final bool collapseSelection = intent.collapseSelection || !state.widget.selectionEnabled; | ||
final TextEditingValue value = state._textEditingValueforTextLayoutMetrics; | ||
if (!value.selection.isValid) { | ||
return; |
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Can you explain in what situation this return will get called?
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await sendKeyCombination(tester, const SingleActivator(LogicalKeyboardKey.pageDown)); | ||
await tester.pump(); | ||
expect(controller.selection, const TextSelection.collapsed(offset: 81)); |
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Shouldn't the selection stay the same on Mac/iOS?
@tgucio The test failures now seem to be legitimate, can you take a look? |
@justinmc indeed, a colon was missing in one of the macOS selector names. Fixed it and this should be good to go (for another review) now. Edit: also merged *Line and *Page action classes into one to reuse code and ensure a vertical run is continued with arrow/page dn/up presses |
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LGTM 👍
Thanks for following up on this!
* e4b9796 [flutter_tools] Implement NotifyingLogger.supportsColor (flutter/flutter#113635) * 5a42f33 Roll Flutter Engine from d62aa9526a56 to 490b06d13390 (20 revisions) (flutter/flutter#113761) * 30161d4 Enable cache cleanup. 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(flutter/flutter#113970) * 694b253 [Android] Fix spell check integration test guarded function conflict (flutter/flutter#113541) * 806fb93 Fix ScrollPosition.isScrollingNotifier.value for pointer scrolling (flutter/flutter#113972) * 14a7360 Roll Flutter Engine from 926bb80f49a2 to 7577fd46d50f (1 revision) (flutter/flutter#113974) * 6154b3b Improve Scrollbar drag behavior (flutter/flutter#112434) * 1037f99 Roll Flutter Engine from 7577fd46d50f to 24d7b5f255c0 (1 revision) (flutter/flutter#113976) * e62d519 Roll Flutter Engine from 24d7b5f255c0 to 75bfcd73ca8a (1 revision) (flutter/flutter#113981) * 49f0061 Roll Flutter Engine from 75bfcd73ca8a to b93c654bd158 (1 revision) (flutter/flutter#113984) * 2a59bd5 Roll Flutter Engine from b93c654bd158 to 9abb459368d5 (2 revisions) (flutter/flutter#113992) * 400136b Fix `Slider` overlay and value indicator interactive behavior on desktop. 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(flutter/flutter#113655) * b373be8 Upgrade gradle for flutter tool to 7.3.0 (flutter/flutter#114023) * 92d8b04 [macOS] Flavors project throws `no flavor specified` for creating a project. (flutter/flutter#113979) * ae143ad Hide debug logs from a MemoryAllocations test that intentionally throws an exception (flutter/flutter#113786) * e133721 Check for watch companion in build settings (flutter/flutter#113956) * 9f5c655 Revert "Check for watch companion in build settings (#113956)" (flutter/flutter#114035) * df259c5 Add `clipBehavior` and apply `borderRadius` to DataTable's Material (flutter/flutter#113205) * e76f883 Cache TextPainter plain text value to improve performance (flutter/flutter#109841) * a30d816 fix stretch effect with rtl support (flutter/flutter#113214) * af34b10 Roll Flutter Engine from c414b1d57b2b to 92500cfe7a65 (1 revision) (flutter/flutter#114001) * 3ce88d3 Replace menu defaults with tokens (flutter/flutter#113963) * 8c3806f Add parentNode to FocusScope widget (flutter/flutter#114034) * a30c63a Roll Flutter Engine from 92500cfe7a65 to e9aba46a7bcb (13 revisions) (flutter/flutter#114038) * 3ed14a0 Roll Flutter Engine from e9aba46a7bcb to b1f1ec2bae46 (4 revisions) (flutter/flutter#114043) * b816801 fix to add both flutter_test and integration_test (flutter/flutter#109650) * e39fa7a Fix wasted memory caused by debug fields - 16 bytes per object (when adding that should-be-removed field crosses double-word alignment) (flutter/flutter#113927) * d5c53b8 Fix text field label animation duration and curve (flutter/flutter#105966) * dcf219e Roll Flutter Engine from b1f1ec2bae46 to ce6649aeea6d (1 revision) (flutter/flutter#114044) * afa9a70 Roll Flutter Engine from ce6649aeea6d to a34d38ccb726 (1 revision) (flutter/flutter#114046) * 8b28104 Roll Flutter Engine from a34d38ccb726 to 71675e2de9f2 (2 revisions) (flutter/flutter#114049) * dd9b7ac Roll Flutter Engine from 71675e2de9f2 to c814452fcb26 (1 revision) (flutter/flutter#114052) * b00b2f1 Roll Flutter Engine from c814452fcb26 to ac95a3a4cc92 (1 revision) (flutter/flutter#114053) * dcc6a4c Roll Flutter Engine from ac95a3a4cc92 to 199166f7c642 (1 revision) (flutter/flutter#114056) * e739ad0 M3 Text field UI update (flutter/flutter#113776) * 89e1fbd Roll Flutter Engine from 199166f7c642 to c00953e610fa (1 revision) (flutter/flutter#114059) * 391f356 Roll Flutter Engine from c00953e610fa to 3b086a0e98e3 (1 revision) (flutter/flutter#114062) * 97970ac Roll Flutter Engine from 3b086a0e98e3 to 56841d491f80 (1 revision) (flutter/flutter#114065) * 8b36497 Roll Flutter Engine from 56841d491f80 to 27269992caec (1 revision) (flutter/flutter#114068) * 7d037f2 Roll Flutter Engine from 27269992caec to 25133f15440d (1 revision) (flutter/flutter#114075) * cb53405 Don't specify libraries-spec argument if we are passing a platform dill. 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(flutter/flutter#113382) * 156c313 Dispose animation controller in platform view benchmarks (flutter/flutter#110413) * 8cd7953 Roll Flutter Engine from 31d21cbed7b2 to a772d20c7550 (12 revisions) (flutter/flutter#114113) * eaecf46 Roll Flutter Engine from a772d20c7550 to 871de2f904a4 (6 revisions) (flutter/flutter#114119) * 732d117 Roll Flutter Engine from 871de2f904a4 to f0eb4f0bae67 (1 revision) (flutter/flutter#114122) * d9a2229 Roll Flutter Engine from f0eb4f0bae67 to 1ea6e5e2de95 (1 revision) (flutter/flutter#114125)
This PR implements the page up/down and shift + page up/down keyboard shortcuts:
On macOS and iOS, the shortcuts use Alt+PageUp/Down. Without the Alt modifier, the keys scroll without moving the caret, which is implemented in PR #105497.
Pre-launch Checklist
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