void _handleMethodCall(string method, List <JSONNode> args)
{
if (TextInput._currentConnection == null)
{
return;
}
int client = args[0].AsInt;
if (client != TextInput._currentConnection._id)
{
return;
}
using (TextInput._currentConnection._window.getScope()) {
switch (method)
{
case "TextInputClient.updateEditingState":
TextInput._updateEditingState(client, TextEditingValue.fromJson(args[1].AsObject));
break;
case "TextInputClient.performAction":
TextInput._performAction(client, TextInputUtils._toTextInputAction(args[1].Value));
break;
default:
throw new UIWidgetsError($"unknown method ${method}");
}
}
}
public void OnGUI()
{
if (TouchScreenKeyboard.isSupported)
{
return;
}
if (this._client == 0)
{
return;
}
var currentEvent = Event.current;
if (currentEvent != null && currentEvent.type == EventType.KeyDown)
{
var action = TextInputUtils.getInputAction(currentEvent);
if (action != null)
{
Window.instance.run(() => { TextInput._performAction(this._client, action.Value); });
}
if (action == null || action == TextInputAction.newline)
{
if (currentEvent.keyCode == KeyCode.None)
{
char ch = currentEvent.character;
if (ch == '\r' || ch == 3)
{
ch = '\n';
}
this._value = this._value.clearCompose();
if (_validateCharacter(ch))
{
this._value = this._value.insert(new string(ch, 1));
}
Window.instance.run(() => { TextInput._updateEditingState(this._client, this._value); });
}
}
currentEvent.Use();
}
if (!string.IsNullOrEmpty(Input.compositionString) &&
this._lastCompositionString != Input.compositionString)
{
this._value = this._value.compose(Input.compositionString);
Window.instance.run(() => { TextInput._updateEditingState(this._client, this._value); });
}
this._lastCompositionString = Input.compositionString;
}
public static TextEditingValue fromJson(JSONObject json)
{
TextAffinity?affinity =
TextInputUtils._toTextAffinity(json["selectionAffinity"].Value);
return(new TextEditingValue(
text: json["text"].Value,
selection: new TextSelection(
baseOffset: json.GetValueOrDefault("selectionBase", defaultIndexNode).AsInt,
extentOffset: json.GetValueOrDefault("selectionExtent", defaultIndexNode).AsInt,
affinity: affinity != null ? affinity.Value : TextAffinity.downstream,
isDirectional: json["selectionIsDirectional"].AsBool
),
composing: new TextRange(
start: json.GetValueOrDefault("composingBase", defaultIndexNode).AsInt,
end: json.GetValueOrDefault("composingExtent", defaultIndexNode).AsInt
)
));
}
