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better input

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This commit is contained in:
open-trade 2020-11-28 18:06:27 +08:00
parent fa78e7b291
commit 722a382ce2
1 changed files with 47 additions and 37 deletions
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84
flutter_hbb/lib/remote_page.dart
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@ -9,6 +9,8 @@ import 'package:wakelock/wakelock.dart';
import 'common.dart';
import 'model.dart';
final initText = '\1' * 1024;
class RemotePage extends StatefulWidget {
RemotePage({Key key, this.id}) : super(key: key);
@ -41,7 +43,7 @@ class _RemotePageState extends State<RemotePage> {
@override
void initState() {
super.initState();
_value = ' ' * 1000;
_value = initText;
FFI.connect(widget.id);
WidgetsBinding.instance.addPostFrameCallback((_) {
SystemChrome.setEnabledSystemUIOverlays([]);
@ -56,9 +58,9 @@ class _RemotePageState extends State<RemotePage> {
void dispose() {
_focusNode.dispose();
super.dispose();
FFI.close();
_interval.cancel();
_timer?.cancel();
FFI.close();
dismissLoading();
SystemChrome.setEnabledSystemUIOverlays(SystemUiOverlay.values);
Wakelock.disable();
@ -73,7 +75,7 @@ class _RemotePageState extends State<RemotePage> {
var v = MediaQuery.of(context).viewInsets.bottom;
if (v != _bottom) {
resetTool();
_value = ' ' * 1000;
_value = initText;
setState(() {
_bottom = v;
if (v < 100) {
@ -115,6 +117,46 @@ class _RemotePageState extends State<RemotePage> {
}
}
void handleInput(String newValue) {
if (_value[0] == '\1' && newValue[0] != '\1') {
// clipboard
_value = '';
}
if (newValue.length <= _value.length) {
final char = 'VK_BACK';
FFI.inputKey(char);
} else {
final content = newValue.substring(_value.length);
if (content.length > 1) {
FFI.setByName('input_string', content);
} else {
var char = content;
if (char == '\n') {
char = 'VK_RETURN';
}
FFI.inputKey(char);
}
}
_value = newValue;
}
void openKeyboard() {
// destroy first, so that our _value trick can work
setState(() => _showEdit = false);
_timer?.cancel();
_timer = Timer(Duration(milliseconds: 30), () {
// show now, and sleep a while to requestFocus to
// make sure edit ready, so that keyboard wont show/hide/show/hide happen
setState(() => _showEdit = true);
_timer?.cancel();
_timer = Timer(Duration(milliseconds: 30), () {
SystemChrome.setEnabledSystemUIOverlays(SystemUiOverlay.values);
SystemChannels.textInput.invokeMethod('TextInput.show');
_focusNode.requestFocus();
});
});
}
@override
Widget build(BuildContext context) {
EasyLoading.instance.loadingStyle = EasyLoadingStyle.light;
@ -152,24 +194,7 @@ class _RemotePageState extends State<RemotePage> {
IconButton(
color: Colors.white,
icon: Icon(Icons.keyboard),
onPressed: () {
// destroy first, so that our _value trick can work
setState(() => _showEdit = false);
_timer?.cancel();
_timer = Timer(Duration(milliseconds: 30), () {
// show now, and sleep a while to requestFocus to
// make sure edit ready, so that keyboard wont show/hide/show/hide happen
setState(() => _showEdit = true);
_timer?.cancel();
_timer = Timer(Duration(milliseconds: 30), () {
SystemChrome.setEnabledSystemUIOverlays(
SystemUiOverlay.values);
SystemChannels.textInput
.invokeMethod('TextInput.show');
_focusNode.requestFocus();
});
});
}),
onPressed: openKeyboard),
IconButton(
color: Colors.white,
icon: Icon(Icons.tv),
@ -278,22 +303,7 @@ class _RemotePageState extends State<RemotePage> {
initialValue:
_value, // trick way to make backspace work always
keyboardType: TextInputType.multiline,
onChanged: (x) {
if (x.length <= _value.length) {
final char = 'VK_BACK';
FFI.inputKey(char);
}
for (var i = _value.length;
i < x.length;
++i) {
var char = x[i];
if (char == '\n') {
char = 'VK_RETURN';
}
FFI.inputKey(char);
}
_value = x;
},
onChanged: handleInput,
),
),
])),