erabo/spiegel-keyman
1
0
Fork 0
mirror of https://github.com/keymanapp/keyman.git synced 2026-09-25 00:57:42 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 12

Adds textDidChange 'swallow' to prevent KMW desync

Browse source
This commit is contained in:
jahorton 2019-05-06 15:58:19 +07:00
parent dbbeccebdb
commit 733854e2b5
1 changed files with 16 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
ios/engine/KMEI/KeymanEngine/Classes/InputViewController.swift
View file

@ -40,6 +40,8 @@ open class InputViewController: UIInputViewController, KeymanWebDelegate {
var landscapeConstraint: NSLayoutConstraint?
private var keymanWeb: KeymanWebViewController
private var swallowBackspaceTextChange: Bool = false
open class var isPortrait: Bool {
return UIScreen.main.bounds.width < UIScreen.main.bounds.height
@ -190,6 +192,12 @@ open class InputViewController: UIInputViewController, KeymanWebDelegate {
}
open override func textDidChange(_ textInput: UITextInput?) {
// Swallows self-triggered calls from emptying the context due to keyboard rules
if self.swallowBackspaceTextChange {
self.swallowBackspaceTextChange = false
return
}
let contextBeforeInput = textDocumentProxy.documentContextBeforeInput ?? ""
let contextAfterInput = textDocumentProxy.documentContextAfterInput ?? ""
let context = "\(contextBeforeInput)\(contextAfterInput)"
@ -203,6 +211,10 @@ open class InputViewController: UIInputViewController, KeymanWebDelegate {
setContextState(text: context, range: NSRange(newRange, in: context))
}
@objc func clearSwallowFlag() {
self.swallowBackspaceTextChange = false
}
func insertText(_ keymanWeb: KeymanWebViewController, numCharsToDelete: Int, newText: String) {
if keymanWeb.isSubKeysMenuVisible {
@ -236,6 +248,10 @@ open class InputViewController: UIInputViewController, KeymanWebDelegate {
}
}
}
self.swallowBackspaceTextChange = true
// afterDelay 0.01 is not sufficient! 0.02 seems to be enough for an actual delay to register.
perform(#selector(self.clearSwallowFlag), with: nil, afterDelay: 0.02)
if !newText.isEmpty {
textDocumentProxy.insertText(newText)