ensan-hcl/exploresetmarkedtext

Let's explore how setMarkedText works

日本語

ExploreSetMarkedText

Let's explore how setMarkedText works

What's it?

This is a sample project to use setMarkedText. Although the behavior was improved a bit after the publish of iOS14.4, there are still many unexpected behavior. Let's check them.

When notice bug

If you found unexpected behavior relating to setMarkedText, please make new issues on this repository or report it to Apple.

exploresetmarkedtext's Issues

Marked text remains although keyboard closed.

Environment

iOS14.4 + Xcode 12.4, on Memo App, iPhone SE(2nd gen), language is Japanese.

How to reproduce

patern 1

1. push marked text 1 on memo edit view.
2. close keyboard by swiping down.
3. reopen keyboard.
4. the marked text gets empty.

patern 2

1. push marked text 2 on memo edit view.
2. tap around marked text and move cursor to end of marked text.
3. close keyboard by swiping down.
4. reopen keyboard.
5. the marked text doesn't get empty.

both are unexpected behavior.

User can adjust cursor outside the marked text when marked text is inside texts.

Environment

iOS14.4 + Xcode 12.4, on Memo App, iPhone SE(2nd gen), language is Japanese.

How to reproduce

1. prepare text like "input" on the text field.
2. put cursor like in|put.
3. push marked text 1.
4. tap end of sentence.
5. the cursor move to end of sentence.

Proxy isn't updated after delete marked text.

Environment

iOS14.4 + Xcode 12.4, on Memo App, iPhone SE(2nd gen), language is Japanese.

How to reproduce

1. push marked text 1.
2. push delete.
3. left reads "markedtext".
4. push print.
5. still left reads "markedtext".
6. push delete.
7. left reads "markedtex".

UITextInputDelegate.textWillChange isn't called when marked text exists

Environment

iOS14.4 + Xcode 12.4, on Memo App, iPhone SE(2nd gen), language is Japanese.

How to reproduce

1. push marked text 1.
2. do something (tap, drag, select, move cursor, copy)
3. textWillChange and textDidChange isn't called.

adjustTextPosition doesn't work on marked text

Environment

iOS14.4 + Xcode 12.4, on Memo App, iPhone SE(2nd gen), language is Japanese.

How to reproduce

1. prepare text as following. | represents cursor position.

abcdefg
abcdefg


|

1. push marked text 1.
2. push ←
3. the marked text disappear.
4. push ←
5. push ←
6. push ←
7. when cursor reach abcdefg|, suddenly marked text appears. Marked text reads "abcdefg".

Proxy's state just after calling adjustTextPosition on the end of sentence is not correct.

Environment

iOS14.4 + Xcode 12.4, on Memo App, iPhone SE(2nd gen), language is Japanese.

How to reproduce

1. push → on end of sentence.
2. right reads empty.
3. push print.
4. right reads nil

Is it bug of proxy update?