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[iOS] Nonnegative start index for virtual keyboard range

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(cherry picked from commit 275772818d)
This commit is contained in:
Sergey Minakov
2021-04-30 11:40:12 +03:00
committed by Rémi Verschelde
parent e4cbf9c58a
commit 2bd40b4c9c
1 changed files with 4 additions and 2 deletions
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6
platform/iphone/keyboard_input_view.mm
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@@ -87,13 +87,15 @@
self.text = existingString; self.text = existingString;
self.previousText = existingString; self.previousText = existingString;
NSInteger safeStartIndex = MAX(start, 0);
NSRange textRange; NSRange textRange;
// Either a simple cursor or a selection. // Either a simple cursor or a selection.
if (end > 0) { if (end > 0) {
textRange = NSMakeRange(start, end - start); textRange = NSMakeRange(safeStartIndex, end - start);
} else { } else {
textRange = NSMakeRange(start, 0); textRange = NSMakeRange(safeStartIndex, 0);
} }
self.selectedRange = textRange; self.selectedRange = textRange;