/*
* テキストの内容の変化を通知してきた。
*/
private void EditContext_TextUpdating(CoreTextEditContext sender, CoreTextTextUpdatingEventArgs ev)
{
Debug.WriteLine("<<--- TextUpdating:({0},{1})->({2},{3}) [{4}] {5}",
ev.Range.StartCaretPosition, ev.Range.EndCaretPosition,
ev.NewSelection.StartCaretPosition, ev.NewSelection.EndCaretPosition,
ev.Text,
ev.Result
);
// カーソルがあると文字の操作に邪魔なので、いったん取り除きます。
RemoveCursor();
// 以前の選択位置の文字を末尾から取り除いていきます。
for (int i = ev.Range.EndCaretPosition - 1; ev.Range.StartCaretPosition <= i; i--)
{
EditText.Inlines.RemoveAt(i);
}
// 新しいテキストを挿入します。
for (int i = 0; i < ev.Text.Length; i++)
{
// １文字ごとにRunを作ります。
Run txt = new Run();
txt.Text = ev.Text.Substring(i, 1);
// RunをTextBlockに挿入します。
EditText.Inlines.Insert(ev.Range.StartCaretPosition + i, txt);
}
// アプリ内で持っているテキストの選択位置を更新します。
Selection = ev.NewSelection;
// カーソルを挿入します。
InsertCursor();
}
void EditContext_TextUpdating(CoreTextEditContext sender, CoreTextTextUpdatingEventArgs args)
{
if (!_compositionStarted) // Only update text when composition is started.
{
args.Result = CoreTextTextUpdatingResult.Failed;
return;
}
CoreTextRange range = args.Range;
string newText = args.Text;
CoreTextRange newSelection = args.NewSelection;
// Modify the internal text store.
_inputBuffer = _inputBuffer.Substring(0, range.StartCaretPosition) +
newText +
_inputBuffer.Substring(Math.Min(_inputBuffer.Length, range.EndCaretPosition));
// You can set the proper font or direction for the updated text based on the language by checking
// args.InputLanguage. We will not do that in this sample.
// Modify the current selection.
newSelection.EndCaretPosition = newSelection.StartCaretPosition;
// Update the selection of the edit context. There is no need to notify the system
// because the system itself changed the selection.
SetSelection(newSelection);
//var compStr = _inputBuffer;
//compStr = compStr.Insert(_selection.StartCaretPosition, "|");
//Debug.WriteLine("composition text: {0}, cursor pos: {1}", (object)compStr, _selection.StartCaretPosition);
OnTextComposition(_inputBuffer, _selection.StartCaretPosition);
}
/*
* テキストの内容の変化を通知してきた。
*/
private void EditContext_TextUpdating(CoreTextEditContext sender, CoreTextTextUpdatingEventArgs ev)
{
Debug.WriteLine("<<--- TextUpdating:({0},{1})->({2},{3}) [{4}] {5} {6}",
ev.Range.StartCaretPosition, ev.Range.EndCaretPosition,
ev.NewSelection.StartCaretPosition, ev.NewSelection.EndCaretPosition,
ev.Text,
ev.Result,
MeasureText(ev.Text, TextFormat)
);
// テキストを変更して、変更情報をアンドゥ/リドゥのスタックにプッシュします。
PushUndoRedoStack(ev.Range.StartCaretPosition, ev.Range.EndCaretPosition, ev.Text, UndoStack);
// 再描画します。
Win2DCanvas.Invalidate();
}
void EditContext_TextUpdating(CoreTextEditContext sender, CoreTextTextUpdatingEventArgs args)
{
CoreTextRange range = args.Range;
string newText = args.Text;
CoreTextRange newSelection = args.NewSelection;
// Modify the internal text store.
_text = _text.Substring(0, range.StartCaretPosition) +
newText +
_text.Substring(Math.Min(_text.Length, range.EndCaretPosition));
// You can set the proper font or direction for the updated text based on the language by checking
// args.InputLanguage. We will not do that in this sample.
// Modify the current selection.
newSelection.EndCaretPosition = newSelection.StartCaretPosition;
// Update the selection of the edit context. There is no need to notify the system
// because the system itself changed the selection.
SetSelection(newSelection);
}
async void EditContext_TextUpdating(CoreTextEditContext sender, CoreTextTextUpdatingEventArgs args)
{
CoreTextRange range = args.Range;
string newText = args.Text;
CoreTextRange newSelection = args.NewSelection;
var line = _content[CurrentLine].Text;
//// Modify the internal text store.
_content[CurrentLine].Text = line.Substring(0, range.StartCaretPosition) +
newText +
line.Substring(Math.Min(line.Length, range.EndCaretPosition));
if (_content[CurrentLine].Text.Trim().ToLower().StartsWith("todo:") && _content[CurrentLine] is not TodoTextItem)
{
var todoItem = new TodoTextItem()
{
Text = _content[CurrentLine].Text.Trim().Substring(5)
};
// convert item to todo
_content.RemoveAt(CurrentLine);
_content.Insert(CurrentLine, todoItem);
newSelection.StartCaretPosition = newSelection.EndCaretPosition = 0;
// had to add this to make sure it works
await Task.Delay(2);
SetSelectionAndNotify(newSelection);
}
else
{
//// Modify the current selection.
newSelection.EndCaretPosition = newSelection.StartCaretPosition;
//// Update the selection of the edit context. There is no need to notify the system
//// because the system itself changed the selection.
SetSelection(newSelection);
}
}
void EditContext_TextUpdating(CoreTextEditContext sender, CoreTextTextUpdatingEventArgs args)
{
CoreTextRange range = args.Range;
string newText = args.Text;
CoreTextRange newSelection = args.NewSelection;
// Modify the internal text store.
_text = _text.Substring(0, range.StartCaretPosition) +
newText +
_text.Substring(Math.Min(_text.Length, range.EndCaretPosition));
// You can set the proper font or direction for the updated text based on the language by checking
// args.InputLanguage. We will not do that in this sample.
// Modify the current selection.
newSelection.EndCaretPosition = newSelection.StartCaretPosition;
// Update the selection of the edit context. There is no need to notify the system
// because the system itself changed the selection.
SetSelection(newSelection);
}
