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AutoComplete: Only have 1 overlay

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This commit is contained in:
Vishesh Handa
2021-01-22 17:05:21 +01:00
parent db2d6cdbdc
commit 6e5954ae4a
1 changed files with 12 additions and 6 deletions
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18
lib/main_autocomplete.dart
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@ -35,6 +35,7 @@ class _MyHomePageState extends State<MyHomePage> {
TextStyle _textFieldStyle = const TextStyle(fontSize: 20); TextStyle _textFieldStyle = const TextStyle(fontSize: 20);
TextEditingController _textController; TextEditingController _textController;
OverlayEntry overlayEntry;
@override @override
void initState() { void initState() {
@ -82,13 +83,13 @@ class _MyHomePageState extends State<MyHomePage> {
} }
double width = lines.last.width; double width = lines.last.width;
print("Focus Node Offset dx: ${_focusNode.offset.dx}"); //print("Focus Node Offset dx: ${_focusNode.offset.dx}");
print("Focus Node Offset dy: ${_focusNode.offset.dy}"); //print("Focus Node Offset dy: ${_focusNode.offset.dy}");
print("Painter ${painter.width} $height"); //print("Painter ${painter.width} $height");
OverlayState overlayState = Overlay.of(context); OverlayState overlayState = Overlay.of(context);
OverlayEntry suggestionTagoverlayEntry = OverlayEntry(builder: (context) { overlayEntry = OverlayEntry(builder: (context) {
return Positioned( return Positioned(
// Decides where to place the tag on the screen. // Decides where to place the tag on the screen.
top: _focusNode.offset.dy + height + 3, top: _focusNode.offset.dy + height + 3,
@ -106,11 +107,14 @@ class _MyHomePageState extends State<MyHomePage> {
)), )),
); );
}); });
overlayState.insert(suggestionTagoverlayEntry); overlayState.insert(overlayEntry);
// Removes the over lay entry from the Overly after 500 milliseconds // Removes the over lay entry from the Overly after 500 milliseconds
await Future.delayed(5000.milliseconds); await Future.delayed(5000.milliseconds);
suggestionTagoverlayEntry.remove(); if (overlayEntry != null) {
overlayEntry.remove();
overlayEntry = null;
}
} }
@override @override
@ -161,3 +165,5 @@ class _EditorState extends State<Editor> {
// Bug 4: On Deleting the prefix buttons it should also disappear // Bug 4: On Deleting the prefix buttons it should also disappear
// Bug 5: Overlay disappears too fast // Bug 5: Overlay disappears too fast
// Bug 6: When writing a text which has '[[Hell' it doesn't show the autocompletion // Bug 6: When writing a text which has '[[Hell' it doesn't show the autocompletion
// Bug 7: Clicking on the text should result in auto-completion
// Bug 8: On clicking somewhere else the suggestion box should disappear