/// <summary>
/// 开始打字效果。可以重复调用重复启动。
/// </summary>
public void Start()
{
_textField.graphics.meshModifier -= OnMeshModified;
_textField.Redraw();
_textField.graphics.meshModifier += OnMeshModified;
_backupVerts.Clear();
_stroke = false;
_shadow = false;
_strokeDrawDirs = 4;
_mainLayerStart = 0;
_mainLayerVertCount = 0;
_printIndex = 0;
_vertIndex = 0;
_started = true;
int vertCount = _textField.graphics.vertCount;
//备份所有顶点后将顶点置0
Vector3[] vertices = _textField.graphics.vertices;
Vector3 zero = Vector3.zero;
for (int i = 0; i < vertCount; i++)
{
_backupVerts.Add(vertices[i]);
vertices[i] = zero;
}
_textField.graphics.mesh.vertices = vertices;
//隐藏所有混排的对象
if (_textField.richTextField != null)
{
int ec = _textField.richTextField.htmlElementCount;
for (int i = 0; i < ec; i++)
{
_textField.richTextField.ShowHtmlObject(i, false);
}
}
int charCount = _textField.charPositions.Count;
for (int i = 0; i < charCount; i++)
{
TextField.CharPosition cp = _textField.charPositions[i];
if (cp.vertCount > 0)
{
_mainLayerVertCount += cp.vertCount;
}
}
if (_mainLayerVertCount < vertCount) //说明有描边或者阴影
{
int repeat = vertCount / _mainLayerVertCount;
_stroke = repeat > 2;
_shadow = repeat % 2 == 0;
_mainLayerStart = vertCount - vertCount / repeat;
_strokeLayerStart = _shadow ? (vertCount / repeat) : 0;
_strokeDrawDirs = repeat > 8 ? 8 : 4;
}
}
void UpdateSelection(TextField.CharPosition cp)
{
TextField.CharPosition start = GetCharPosition(_selectionStart);
if (start.charIndex == cp.charIndex)
{
_selectionShape.Clear();
return;
}
if (start.charIndex > cp.charIndex)
{
TextField.CharPosition tmp = start;
start = cp;
cp = tmp;
}
Vector2 v1 = GetCharLocation(start);
Vector2 v2 = GetCharLocation(cp);
List <Rect> rects = _selectionShape.rects;
if (rects == null)
{
rects = new List <Rect>(2);
}
else
{
rects.Clear();
}
textField.GetLinesShape(start.lineIndex, v1.x - textField.x, cp.lineIndex, v2.x - textField.x, false, rects);
_selectionShape.rects = rects;
_selectionShape.xy = textField.xy;
}
override internal void RefreshObjects()
{
base.RefreshObjects();
if (_editing)
{
SetChildIndex(_selectionShape, this.numChildren - 1);
SetChildIndex(_caret, this.numChildren - 2);
}
int cnt = textField.charPositions.Count;
if (_caretPosition >= cnt)
{
_caretPosition = cnt - 1;
}
if (_selectionStart >= cnt)
{
_selectionStart = cnt - 1;
}
textField.SetXY(0, 0);
TextField.CharPosition cp = GetCharPosition(_caretPosition);
AdjustCaret(cp);
}
void __touchMove(EventContext context)
{
if (isDisposed)
{
return;
}
if (_selectionStart == null)
{
return;
}
Vector3 v = Stage.inst.touchPosition;
v = this.GlobalToLocal(v);
if (float.IsNaN(v.x))
{
return;
}
TextField.CharPosition cp = GetCharPosition(v);
if (cp.caretIndex != _caretPosition)
{
AdjustCaret(cp);
}
}
void AdjustCaret(TextField.CharPosition cp)
{
_caretPosition = cp.caretIndex;
Vector2 pos = GetCharLocation(cp);
TextField.LineInfo line = textField.lines[cp.lineIndex];
pos.y = line.y + textField.y;
Vector2 newPos = pos;
if (newPos.x < textField.textFormat.size)
{
newPos.x += Math.Min(50, (int)(_contentRect.width / 2));
}
else if (newPos.x > _contentRect.width - GUTTER_X - textField.textFormat.size)
{
newPos.x -= Math.Min(50, (int)(_contentRect.width / 2));
}
if (newPos.x < GUTTER_X)
{
newPos.x = GUTTER_X;
}
else if (newPos.x > _contentRect.width - GUTTER_X)
{
newPos.x = Math.Max(GUTTER_X, _contentRect.width - GUTTER_X);
}
if (newPos.y < GUTTER_Y)
{
newPos.y = GUTTER_Y;
}
else if (newPos.y + line.height >= _contentRect.height - GUTTER_Y)
{
newPos.y = Math.Max(GUTTER_Y, _contentRect.height - line.height - GUTTER_Y);
}
pos += MoveContent(newPos - pos);
if (_editing)
{
if (line.height > 0) //将光标居中
{
pos.y += (int)(line.height - textField.textFormat.size) / 2;
}
_caret.SetPosition(pos.x, pos.y, 0);
Vector2 cursorPos = _caret.LocalToGlobal(new Vector2(0, _caret.height));
Input.compositionCursorPos = cursorPos;
_nextBlink = Time.time + 0.5f;
_caret.graphics.enabled = true;
if (_selectionStart != null)
{
UpdateSelection(cp);
}
}
}
/// <summary>
/// 获得字符的坐标。这个坐标是容器的坐标，不是文本里的坐标。
/// </summary>
/// <param name="cp"></param>
/// <returns></returns>
Vector2 GetCharLocation(TextField.CharPosition cp)
{
TextField.LineInfo line = textField.lines[cp.lineIndex];
Vector2 pos;
if (line.charCount == 0 || textField.charPositions.Count == 0)
{
if (textField.align == AlignType.Center)
{
pos.x = (int)(_contentRect.width / 2);
}
else
{
pos.x = GUTTER_X;
}
}
else
{
TextField.CharPosition v = textField.charPositions[Math.Min(cp.charIndex, textField.charPositions.Count - 1)];
pos.x = v.offsetX - 1;
}
pos.x += textField.x;
pos.y = textField.y + line.y;
return(pos);
}
void __focusIn(EventContext context)
{
if (!editable || !Application.isPlaying)
{
return;
}
_editing = true;
if (_caret == null)
{
CreateCaret();
}
if (!string.IsNullOrEmpty(_promptText))
{
UpdateText();
}
float caretSize;
//如果界面缩小过，光标很容易看不见，这里放大一下
if (UIConfig.inputCaretSize == 1 && GRoot.contentScaleFactor < 1)
{
caretSize = (float)UIConfig.inputCaretSize / GRoot.contentScaleFactor;
}
else
{
caretSize = UIConfig.inputCaretSize;
}
_caret.SetSize(caretSize, textField.textFormat.size);
_caret.DrawRect(0, Color.clear, textField.textFormat.color);
AddChild(_caret);
_selectionShape.Clear();
AddChild(_selectionShape);
if (!textField.Redraw())
{
TextField.CharPosition cp = GetCharPosition(_caretPosition);
AdjustCaret(cp);
}
if (Stage.keyboardInput)
{
if (keyboardInput)
{
Stage.inst.OpenKeyboard(_text, false, _displayAsPassword ? false : !textField.singleLine,
_displayAsPassword, false, null, keyboardType, hideInput);
SetSelection(0, -1);
}
}
else
{
Input.imeCompositionMode = IMECompositionMode.On;
_composing = 0;
}
}
void AdjustCaret(TextField.CharPosition cp, bool moveSelectionHeader = false)
{
_caretPosition = cp.charIndex;
if (moveSelectionHeader)
{
_selectionStart = _caretPosition;
}
UpdateCaret();
}
/// <summary>
///
/// </summary>
/// <param name="value"></param>
public void ReplaceSelection(string value)
{
string leftText = null;
string rightText = null;
if (_selectionStart != null)
{
TextField.CharPosition cp = (TextField.CharPosition)_selectionStart;
ClearSelection();
if (cp.caretIndex < _caretPosition)
{
leftText = textField.text.Substring(0, cp.caretIndex);
rightText = textField.text.Substring(_caretPosition);
_caretPosition = cp.caretIndex;
}
else
{
leftText = textField.text.Substring(0, _caretPosition);
rightText = textField.text.Substring(cp.caretIndex);
}
}
else
{
if (string.IsNullOrEmpty(value))
{
return;
}
leftText = textField.text.Substring(0, _caretPosition);
rightText = textField.text.Substring(_caretPosition);
}
if (!string.IsNullOrEmpty(value))
{
value = ValidateInput(value);
if (leftText.Length + rightText.Length + value.Length > maxLength)
{
value = value.Substring(0, Math.Max(0, maxLength - leftText.Length - rightText.Length));
}
this.text = leftText + value + rightText;
_caretPosition += value.Length;
}
else
{
this.text = leftText + rightText;
}
//这里立即更新，使内含的图片等对象能够立即创建，避免延迟在Update里才创建，那样会引起闪烁
textField.Redraw();
onChanged.Call();
}
void Scroll(int hScroll, int vScroll)
{
vScroll = Mathf.Clamp(vScroll, 0, textField.lines.Count - 1);
TextField.LineInfo line = textField.lines[vScroll];
hScroll = Mathf.Clamp(hScroll, 0, line.charCount - 1);
TextField.CharPosition cp = GetCharPosition(line.charIndex + hScroll);
Vector2 pt = GetCharLocation(cp);
MoveContent(new Vector2(GUTTER_X - pt.x, GUTTER_Y - pt.y), false);
}
protected override void InternalRefreshObjects()
{
base.InternalRefreshObjects();
if (_editing)
{
SetChildIndex(_selectionShape, this.numChildren - 1);
SetChildIndex(_caret, this.numChildren - 2);
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
AdjustCaret(cp);
}
TextField.CharPosition GetCharPosition(int caretIndex)
{
if (caretIndex < textField.charPositions.Count)
{
return(textField.charPositions[caretIndex]);
}
else
{
TextField.CharPosition cp = new TextField.CharPosition();
cp.caretIndex = caretIndex;
cp.lineIndex = (short)Math.Max(0, textField.lines.Count - 1);
return(cp);
}
}
void UpdateSelection(TextField.CharPosition cp)
{
if (_selectionStart == _caretPosition)
{
_selectionShape.Clear();
return;
}
TextField.CharPosition start;
if (_editing && Input.compositionString.Length > 0)
{
if (_selectionStart < _caretPosition)
{
cp = GetCharPosition(_caretPosition);
start = GetCharPosition(_selectionStart);
}
else
{
start = GetCharPosition(_selectionStart + Input.compositionString.Length);
}
}
else
{
start = GetCharPosition(_selectionStart);
}
if (start.charIndex > cp.charIndex)
{
TextField.CharPosition tmp = start;
start = cp;
cp = tmp;
}
Vector2 v1 = GetCharLocation(start);
Vector2 v2 = GetCharLocation(cp);
List <Rect> rects = _selectionShape.rects;
if (rects == null)
{
rects = new List <Rect>(2);
}
else
{
rects.Clear();
}
textField.GetLinesShape(start.lineIndex, v1.x - textField.x, cp.lineIndex, v2.x - textField.x, false, rects);
_selectionShape.rects = rects;
_selectionShape.xy = textField.xy;
}
string GetSelection()
{
if (_selectionStart == null)
{
return(string.Empty);
}
TextField.CharPosition cp = (TextField.CharPosition)_selectionStart;
if (cp.caretIndex < _caretPosition)
{
return(textField.text.Substring(cp.caretIndex, _caretPosition - cp.caretIndex));
}
else
{
return(textField.text.Substring(_caretPosition, cp.caretIndex - _caretPosition));
}
}
void __touchBegin(EventContext context)
{
if (!_editing || textField.charPositions.Count <= 1)
{
return;
}
ClearSelection();
Vector2 v = Stage.inst.touchPosition;
v = this.GlobalToLocal(v);
TextField.CharPosition cp = GetCharPosition(v);
AdjustCaret(cp, true);
context.CaptureTouch();
}
void __touchBegin(EventContext context)
{
if (!_editing || textField.lines.Count == 0)
{
return;
}
ClearSelection();
Vector3 v = Stage.inst.touchPosition;
v = this.GlobalToLocal(v);
TextField.CharPosition cp = GetCharPosition(v);
AdjustCaret(cp);
_selectionStart = cp;
context.CaptureTouch();
Stage.inst.onTouchMove.AddCapture(_touchMoveDelegate);
}
void __mouseWheel(EventContext context)
{
if (_editing && mouseWheelEnabled)
{
context.StopPropagation();
TextField.CharPosition cp = GetCharPosition(Vector2.zero);
int vScroll = cp.lineIndex;
int hScroll = cp.charIndex - textField.lines[cp.lineIndex].charIndex;
if (context.inputEvent.mouseWheelDelta < 0)
{
vScroll--;
}
else
{
vScroll++;
}
Scroll(hScroll, vScroll);
}
}
void __touchBegin(EventContext context)
{
if (!_editing || textField.charPositions.Count <= 1 ||
keyboardInput && Stage.keyboardInput && !Stage.inst.keyboard.supportsCaret ||
context.inputEvent.button != 0)
{
return;
}
ClearSelection();
Vector3 v = Stage.inst.touchPosition;
v = this.GlobalToLocal(v);
TextField.CharPosition cp = GetCharPosition(v);
AdjustCaret(cp, true);
context.CaptureTouch();
}
void __touchMove(EventContext context)
{
if (!_editing)
{
return;
}
Vector3 v = Stage.inst.touchPosition;
v = this.GlobalToLocal(v);
if (float.IsNaN(v.x))
{
return;
}
TextField.CharPosition cp = GetCharPosition(v);
if (cp.charIndex != _caretPosition)
{
AdjustCaret(cp);
}
}
void UpdateSelection(TextField.CharPosition cp)
{
if (_selectionStart == _caretPosition)
{
_selectionShape.Clear();
return;
}
TextField.CharPosition start;
if (_editing && IMEAdapter.compositionString.Length > 0)
{
if (_selectionStart < _caretPosition)
{
cp = GetCharPosition(_caretPosition);
start = GetCharPosition(_selectionStart);
}
else
{
start = GetCharPosition(_selectionStart + IMEAdapter.compositionString.Length);
}
}
else
{
start = GetCharPosition(_selectionStart);
}
if (start.charIndex > cp.charIndex)
{
TextField.CharPosition tmp = start;
start = cp;
cp = tmp;
}
Vector2 v1 = GetCharLocation(start);
Vector2 v2 = GetCharLocation(cp);
_selectionShape.rects.Clear();
textField.GetLinesShape(start.lineIndex, v1.X - textField.x, cp.lineIndex, v2.X - textField.x, false, _selectionShape.rects);
_selectionShape.Refresh();
_selectionShape.position = textField.position;
}
void __focusIn(EventContext context)
{
if (!editable)
{
return;
}
_editing = true;
if (_caret == null)
{
CreateCaret();
}
if (!string.IsNullOrEmpty(_promptText))
{
UpdateText();
}
float caretSize = UIConfig.inputCaretSize;
_caret.SetSize(caretSize, textField.textFormat.size);
_caret.DrawRect(0, Color.Transparent, textField.textFormat.color);
AddChild(_caret);
_selectionShape.Clear();
AddChild(_selectionShape);
if (!textField.Rebuild())
{
TextField.CharPosition cp = GetCharPosition(_caretPosition);
AdjustCaret(cp);
}
IMEAdapter.compositionMode = IMEAdapter.CompositionMode.On;
_composing = 0;
}
/// <summary>
/// 开始打字效果。可以重复调用重复启动。
/// </summary>
public void Start()
{
_textField.Redraw();
_backupColors.Clear();
_stroke = false;
_shadow = false;
_mainLayerStart = 0;
_mainLayerVertCount = 0;
_printIndex = 0;
_vertIndex = 0;
int vertCount = _textField.graphics.vertCount;
//全部置为透明（不可见）
Color32[] colors = _textField.graphics.colors;
Color32 clear = Color.clear;
for (int i = 0; i < vertCount; i++)
{
_backupColors.Add(colors[i]);
colors[i] = clear;
}
_textField.graphics.mesh.colors32 = colors;
//隐藏所有混排的对象
if (_textField.richTextField != null)
{
int ec = _textField.richTextField.htmlElementCount;
for (int i = 0; i < ec; i++)
{
_textField.richTextField.ShowHtmlObject(i, false);
}
}
int charCount = _textField.charPositions.Count;
for (int i = 0; i < charCount; i++)
{
TextField.CharPosition cp = _textField.charPositions[i];
if (cp.vertCount > 0)
{
_mainLayerVertCount += cp.vertCount;
}
}
if (_mainLayerVertCount < vertCount) //说明有描边或者阴影
{
if (vertCount == _mainLayerVertCount * 6)
{
_stroke = true;
_shadow = true;
_mainLayerStart = vertCount * 5 / 6;
_strokeLayerStart = vertCount / 6;
}
else if (vertCount == _mainLayerVertCount * 5)
{
_stroke = true;
_shadow = false;
_mainLayerStart = vertCount * 4 / 5;
_strokeLayerStart = 0;
}
else if (vertCount == _mainLayerVertCount * 2)
{
_stroke = false;
_shadow = true;
_mainLayerStart = vertCount / 2;
}
}
}
/// <summary>
/// 通过本地坐标获得字符索引位置
/// </summary>
/// <param name="location">本地坐标</param>
/// <returns></returns>
TextField.CharPosition GetCharPosition(Vector2 location)
{
TextField.CharPosition result = new TextField.CharPosition();
if (textField.charPositions.Count == 0)
{
result.lineIndex = 0;
result.caretIndex = 0;
return(result);
}
location.x -= textField.x;
location.y -= textField.y;
List <TextField.LineInfo> lines = textField.lines;
int len = lines.Count;
TextField.LineInfo line;
int i;
for (i = 0; i < len; i++)
{
line = lines[i];
if (line.y + line.height > location.y)
{
break;
}
}
if (i == len)
{
i = len - 1;
}
result.lineIndex = (short)i;
len = textField.charPositions.Count;
TextField.CharPosition v;
int firstInLine = -1;
for (i = 0; i < len; i++)
{
v = textField.charPositions[i];
if (v.lineIndex == result.lineIndex)
{
if (firstInLine == -1)
{
firstInLine = i;
}
if (v.offsetX > location.x)
{
if (i > firstInLine)
{
//最后一个字符有点难点
if (v.offsetX - location.x < 2)
{
result.caretIndex = i;
}
else
{
result.caretIndex = i - 1;
}
}
else
{
result.caretIndex = firstInLine;
}
return(result);
}
}
else if (firstInLine != -1)
{
break;
}
}
result.caretIndex = i - 1;
return(result);
}
bool HandleKey(InputEvent evt)
{
bool keyCodeHandled = true;
switch (evt.keyCode)
{
case KeyCode.Backspace:
{
if (evt.command)
{
//for mac:CMD+Backspace=Delete
if (_selectionStart == _caretPosition && _caretPosition < textField.charPositions.Count - 1)
{
_selectionStart = _caretPosition + 1;
}
}
else
{
if (_selectionStart == _caretPosition && _caretPosition > 0)
{
_selectionStart = _caretPosition - 1;
}
}
if (_editable)
{
ReplaceSelection(null);
}
break;
}
case KeyCode.Delete:
{
if (_selectionStart == _caretPosition && _caretPosition < textField.charPositions.Count - 1)
{
_selectionStart = _caretPosition + 1;
}
if (_editable)
{
ReplaceSelection(null);
}
break;
}
case KeyCode.LeftArrow:
{
if (!evt.shift)
{
ClearSelection();
}
if (_caretPosition > 0)
{
if (evt.command) //mac keyboard
{
TextField.CharPosition cp = GetCharPosition(_caretPosition);
TextField.LineInfo line = textField.lines[cp.lineIndex];
cp = GetCharPosition(new Vector2(int.MinValue, line.y + textField.y));
AdjustCaret(cp, !evt.shift);
}
else
{
TextField.CharPosition cp = GetCharPosition(_caretPosition - 1);
AdjustCaret(cp, !evt.shift);
}
}
break;
}
case KeyCode.RightArrow:
{
if (!evt.shift)
{
ClearSelection();
}
if (_caretPosition < textField.charPositions.Count - 1)
{
if (evt.command)
{
TextField.CharPosition cp = GetCharPosition(_caretPosition);
TextField.LineInfo line = textField.lines[cp.lineIndex];
cp = GetCharPosition(new Vector2(int.MaxValue, line.y + textField.y));
AdjustCaret(cp, !evt.shift);
}
else
{
TextField.CharPosition cp = GetCharPosition(_caretPosition + 1);
AdjustCaret(cp, !evt.shift);
}
}
break;
}
case KeyCode.UpArrow:
{
if (!evt.shift)
{
ClearSelection();
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
if (cp.lineIndex > 0)
{
TextField.LineInfo line = textField.lines[cp.lineIndex - 1];
cp = GetCharPosition(new Vector2(_caret.x, line.y + textField.y));
AdjustCaret(cp, !evt.shift);
}
break;
}
case KeyCode.DownArrow:
{
if (!evt.shift)
{
ClearSelection();
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
if (cp.lineIndex == textField.lines.Count - 1)
{
cp.charIndex = textField.charPositions.Count - 1;
}
else
{
TextField.LineInfo line = textField.lines[cp.lineIndex + 1];
cp = GetCharPosition(new Vector2(_caret.x, line.y + textField.y));
}
AdjustCaret(cp, !evt.shift);
break;
}
case KeyCode.PageUp:
{
ClearSelection();
break;
}
case KeyCode.PageDown:
{
ClearSelection();
break;
}
case KeyCode.Home:
{
if (!evt.shift)
{
ClearSelection();
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
TextField.LineInfo line = textField.lines[cp.lineIndex];
cp = GetCharPosition(new Vector2(int.MinValue, line.y + textField.y));
AdjustCaret(cp, !evt.shift);
break;
}
case KeyCode.End:
{
if (!evt.shift)
{
ClearSelection();
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
TextField.LineInfo line = textField.lines[cp.lineIndex];
cp = GetCharPosition(new Vector2(int.MaxValue, line.y + textField.y));
AdjustCaret(cp, !evt.shift);
break;
}
//Select All
case KeyCode.A:
{
if (evt.ctrlOrCmd)
{
_selectionStart = 0;
AdjustCaret(GetCharPosition(int.MaxValue));
}
break;
}
//Copy
case KeyCode.C:
{
if (evt.ctrlOrCmd && !_displayAsPassword)
{
string s = GetSelection();
if (!string.IsNullOrEmpty(s))
{
DoCopy(s);
}
}
break;
}
//Paste
case KeyCode.V:
{
if (evt.ctrlOrCmd && _editable)
{
DoPaste();
}
break;
}
//Cut
case KeyCode.X:
{
if (evt.ctrlOrCmd && !_displayAsPassword)
{
string s = GetSelection();
if (!string.IsNullOrEmpty(s))
{
DoCopy(s);
if (_editable)
{
ReplaceSelection(null);
}
}
}
break;
}
case KeyCode.Z:
{
if (evt.ctrlOrCmd && _editable)
{
if (evt.shift)
{
TextInputHistory.inst.Redo(this);
}
else
{
TextInputHistory.inst.Undo(this);
}
}
break;
}
case KeyCode.Y:
{
if (evt.ctrlOrCmd && _editable)
{
TextInputHistory.inst.Redo(this);
}
break;
}
case KeyCode.Return:
case KeyCode.KeypadEnter:
{
if (textField.singleLine)
{
Stage.inst.focus = parent;
DispatchEvent("onSubmit", null);
DispatchEvent("onKeyDown", null); //for backward compatibility
}
break;
}
case KeyCode.Tab:
{
if (textField.singleLine)
{
Stage.inst.DoKeyNavigate(evt.shift);
keyCodeHandled = false;
}
break;
}
case KeyCode.Escape:
{
this.text = _textBeforeEdit;
Stage.inst.focus = parent;
break;
}
default:
keyCodeHandled = (int)evt.keyCode <= 272 && !evt.ctrlOrCmd;
break;
}
char c = evt.character;
if (c != 0)
{
if (evt.ctrlOrCmd)
{
return(true);
}
if (c == '\r' || c == 3)
{
c = '\n';
}
if (c == 25)/*shift+tab*/
{
c = '\t';
}
if (c == 27 /*escape*/ || textField.singleLine && (c == '\n' || c == '\t'))
{
return(true);
}
if (char.IsHighSurrogate(c))
{
_highSurrogateChar = c;
return(true);
}
if (_editable)
{
if (char.IsLowSurrogate(c))
{
ReplaceSelection(char.ConvertFromUtf32(((int)c & 0x03FF) + ((((int)_highSurrogateChar & 0x03FF) + 0x40) << 10)));
}
else
{
ReplaceSelection(c.ToString());
}
}
return(true);
}
else
{
if (Input.compositionString.Length > 0 && _editable)
{
UpdateText();
}
return(keyCodeHandled);
}
}
void __focusIn(EventContext context)
{
if (!Application.isPlaying)
{
return;
}
_editing = true;
_textBeforeEdit = _text;
if (_caret == null)
{
CreateCaret();
}
if (!string.IsNullOrEmpty(_promptText))
{
UpdateText();
}
float caretSize;
//如果界面缩小过，光标很容易看不见，这里放大一下
if (UIConfig.inputCaretSize == 1 && UIContentScaler.scaleFactor < 1)
{
caretSize = UIConfig.inputCaretSize / UIContentScaler.scaleFactor;
}
else
{
caretSize = UIConfig.inputCaretSize;
}
_caret.SetSize(caretSize, textField.textFormat.size);
_caret.DrawRect(0, Color.clear, textField.textFormat.color);
_caret.visible = _editable;
AddChild(_caret);
_selectionShape.Clear();
AddChildAt(_selectionShape, 0);
if (!textField.Redraw())
{
TextField.CharPosition cp = GetCharPosition(_caretPosition);
AdjustCaret(cp);
}
if (Stage.keyboardInput)
{
if (keyboardInput)
{
Stage.inst.OpenKeyboard(_text, false, _displayAsPassword ? false : !textField.singleLine,
_displayAsPassword, false, null, keyboardType, hideInput);
SetSelection(0, -1);
}
}
else
{
if (!disableIME)
{
Input.imeCompositionMode = IMECompositionMode.On;
}
else
{
Input.imeCompositionMode = IMECompositionMode.Off;
}
_composing = 0;
if ((string)context.data == "key") //select all if got focus by tab key
{
SetSelection(0, -1);
}
TextInputHistory.inst.StartRecord(this);
}
}
void __keydown(EventContext context)
{
if (!_editing || context.isDefaultPrevented)
{
return;
}
InputEvent evt = context.inputEvent;
switch (evt.keyCode)
{
case KeyCode.Backspace:
{
context.PreventDefault();
if (_selectionStart == _caretPosition && _caretPosition > 0)
{
_selectionStart = _caretPosition - 1;
}
ReplaceSelection(null);
break;
}
case KeyCode.Delete:
{
context.PreventDefault();
if (_selectionStart == _caretPosition && _caretPosition < textField.charPositions.Count - 1)
{
_selectionStart = _caretPosition + 1;
}
ReplaceSelection(null);
break;
}
case KeyCode.LeftArrow:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
if (_caretPosition > 0)
{
TextField.CharPosition cp = GetCharPosition(_caretPosition - 1);
AdjustCaret(cp, !evt.shift);
}
break;
}
case KeyCode.RightArrow:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
if (_caretPosition < textField.charPositions.Count - 1)
{
TextField.CharPosition cp = GetCharPosition(_caretPosition + 1);
AdjustCaret(cp, !evt.shift);
}
break;
}
case KeyCode.UpArrow:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
if (cp.lineIndex == 0)
{
return;
}
TextField.LineInfo line = textField.lines[cp.lineIndex - 1];
cp = GetCharPosition(new Vector2(_caret.x, line.y + textField.y));
AdjustCaret(cp, !evt.shift);
break;
}
case KeyCode.DownArrow:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
if (cp.lineIndex == textField.lines.Count - 1)
{
cp.charIndex = textField.charPositions.Count - 1;
}
else
{
TextField.LineInfo line = textField.lines[cp.lineIndex + 1];
cp = GetCharPosition(new Vector2(_caret.x, line.y + textField.y));
}
AdjustCaret(cp, !evt.shift);
break;
}
case KeyCode.PageUp:
{
context.PreventDefault();
ClearSelection();
break;
}
case KeyCode.PageDown:
{
context.PreventDefault();
ClearSelection();
break;
}
case KeyCode.Home:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
TextField.LineInfo line = textField.lines[cp.lineIndex];
cp = GetCharPosition(new Vector2(int.MinValue, line.y + textField.y));
AdjustCaret(cp, !evt.shift);
break;
}
case KeyCode.End:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
TextField.LineInfo line = textField.lines[cp.lineIndex];
cp = GetCharPosition(new Vector2(int.MaxValue, line.y + textField.y));
AdjustCaret(cp, !evt.shift);
break;
}
//Select All
case KeyCode.A:
{
if (evt.ctrl)
{
context.PreventDefault();
_selectionStart = 0;
AdjustCaret(GetCharPosition(int.MaxValue));
}
break;
}
//Copy
case KeyCode.C:
{
if (evt.ctrl && !_displayAsPassword)
{
context.PreventDefault();
string s = GetSelection();
if (!string.IsNullOrEmpty(s))
{
DoCopy(s);
}
}
break;
}
//Paste
case KeyCode.V:
{
if (evt.ctrl)
{
context.PreventDefault();
DoPaste();
}
break;
}
//Cut
case KeyCode.X:
{
if (evt.ctrl && !_displayAsPassword)
{
context.PreventDefault();
string s = GetSelection();
if (!string.IsNullOrEmpty(s))
{
DoCopy(s);
ReplaceSelection(null);
}
}
break;
}
case KeyCode.Return:
case KeyCode.KeypadEnter:
{
if (!evt.ctrl && !evt.shift)
{
context.PreventDefault();
if (!textField.singleLine)
{
ReplaceSelection("\n");
}
}
break;
}
}
}
void __keydown(EventContext context)
{
if (!_editing || context.isDefaultPrevented)
{
return;
}
InputEvent evt = context.inputEvent;
switch (evt.keyCode)
{
case KeyCode.Backspace:
{
context.PreventDefault();
if (_selectionStart == _caretPosition && _caretPosition > 0)
{
_selectionStart = _caretPosition - 1;
}
ReplaceSelection(null);
break;
}
case KeyCode.Delete:
{
context.PreventDefault();
if (_selectionStart == _caretPosition && _caretPosition < textField.charPositions.Count - 1)
{
_selectionStart = _caretPosition + 1;
}
ReplaceSelection(null);
break;
}
case KeyCode.LeftArrow:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
if (_caretPosition > 0)
{
TextField.CharPosition cp = GetCharPosition(_caretPosition - 1);
AdjustCaret(cp, !evt.shift);
}
break;
}
case KeyCode.RightArrow:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
if (_caretPosition < textField.charPositions.Count - 1)
{
TextField.CharPosition cp = GetCharPosition(_caretPosition + 1);
AdjustCaret(cp, !evt.shift);
}
break;
}
case KeyCode.UpArrow:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
if (cp.lineIndex == 0)
{
return;
}
TextField.LineInfo line = textField.lines[cp.lineIndex - 1];
cp = GetCharPosition(new Vector2(_caret.x, line.y + textField.y));
AdjustCaret(cp, !evt.shift);
break;
}
case KeyCode.DownArrow:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
if (cp.lineIndex == textField.lines.Count - 1)
{
cp.charIndex = textField.charPositions.Count - 1;
}
else
{
TextField.LineInfo line = textField.lines[cp.lineIndex + 1];
cp = GetCharPosition(new Vector2(_caret.x, line.y + textField.y));
}
AdjustCaret(cp, !evt.shift);
break;
}
case KeyCode.PageUp:
{
context.PreventDefault();
ClearSelection();
break;
}
case KeyCode.PageDown:
{
context.PreventDefault();
ClearSelection();
break;
}
case KeyCode.Home:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
TextField.LineInfo line = textField.lines[cp.lineIndex];
cp = GetCharPosition(new Vector2(int.MinValue, line.y + textField.y));
AdjustCaret(cp, !evt.shift);
break;
}
case KeyCode.End:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
TextField.LineInfo line = textField.lines[cp.lineIndex];
cp = GetCharPosition(new Vector2(int.MaxValue, line.y + textField.y));
AdjustCaret(cp, !evt.shift);
break;
}
//Select All
case KeyCode.A:
{
if (evt.ctrl)
{
context.PreventDefault();
_selectionStart = 0;
AdjustCaret(GetCharPosition(int.MaxValue));
}
break;
}
//Copy
case KeyCode.C:
{
if (evt.ctrl && !_displayAsPassword)
{
context.PreventDefault();
string s = GetSelection();
if (!string.IsNullOrEmpty(s))
{
DoCopy(s);
}
}
break;
}
//Paste
case KeyCode.V:
{
if (evt.ctrl)
{
context.PreventDefault();
DoPaste();
}
break;
}
//Cut
case KeyCode.X:
{
if (evt.ctrl && !_displayAsPassword)
{
context.PreventDefault();
string s = GetSelection();
if (!string.IsNullOrEmpty(s))
{
DoCopy(s);
ReplaceSelection(null);
}
}
break;
}
case KeyCode.Return:
case KeyCode.KeypadEnter:
{
if (textField.singleLine)
{
onSubmit.Call();
return;
}
break;
}
}
char c = evt.character;
if (c != 0)
{
if (evt.ctrl)
{
return;
}
if (c == '\r' || (int)c == 3)
{
c = '\n';
}
if (c == 127 || textField.singleLine && c == '\n')
{
return;
}
if (char.IsHighSurrogate(c))
{
_highSurrogateChar = c;
return;
}
if (char.IsLowSurrogate(c))
{
ReplaceSelection(char.ConvertFromUtf32(((int)c & 0x03FF) + ((((int)_highSurrogateChar & 0x03FF) + 0x40) << 10)));
}
else
{
ReplaceSelection(c.ToString());
}
}
else
{
if (Input.compositionString.Length > 0)
{
UpdateText();
}
}
}
void __keydown(EventContext context)
{
if (!_editing || context.isDefaultPrevented)
{
return;
}
InputEvent evt = context.inputEvent;
switch (evt.keyCode)
{
case Keys.Back:
{
if (textField.text.Length > 0)
{
IMEAdapter.compositionString = textField.text.Remove(textField.text.Length - 1, 1);
}
context.PreventDefault();
if (_selectionStart == _caretPosition && _caretPosition > 0)
{
_selectionStart = _caretPosition - 1;
}
ReplaceSelection(null);
break;
}
case Keys.Delete:
{
context.PreventDefault();
if (_selectionStart == _caretPosition && _caretPosition < textField.charPositions.Count - 1)
{
_selectionStart = _caretPosition + 1;
}
ReplaceSelection(null);
break;
}
case Keys.Left:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
if (_caretPosition > 0)
{
TextField.CharPosition cp = GetCharPosition(_caretPosition - 1);
AdjustCaret(cp, !evt.shift);
}
break;
}
case Keys.Right:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
if (_caretPosition < textField.charPositions.Count - 1)
{
TextField.CharPosition cp = GetCharPosition(_caretPosition + 1);
AdjustCaret(cp, !evt.shift);
}
break;
}
case Keys.Up:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
if (cp.lineIndex == 0)
{
return;
}
TextField.LineInfo line = textField.lines[cp.lineIndex - 1];
cp = GetCharPosition(new Vector2(_caret.x, line.y + textField.y));
AdjustCaret(cp, !evt.shift);
break;
}
case Keys.Down:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
if (cp.lineIndex == textField.lines.Count - 1)
{
cp.charIndex = textField.charPositions.Count - 1;
}
else
{
TextField.LineInfo line = textField.lines[cp.lineIndex + 1];
cp = GetCharPosition(new Vector2(_caret.x, line.y + textField.y));
}
AdjustCaret(cp, !evt.shift);
break;
}
case Keys.PageUp:
{
context.PreventDefault();
ClearSelection();
break;
}
case Keys.PageDown:
{
context.PreventDefault();
ClearSelection();
break;
}
case Keys.Home:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
TextField.LineInfo line = textField.lines[cp.lineIndex];
cp = GetCharPosition(new Vector2(int.MinValue, line.y + textField.y));
AdjustCaret(cp, !evt.shift);
break;
}
case Keys.End:
{
context.PreventDefault();
if (!evt.shift)
{
ClearSelection();
}
TextField.CharPosition cp = GetCharPosition(_caretPosition);
TextField.LineInfo line = textField.lines[cp.lineIndex];
cp = GetCharPosition(new Vector2(int.MaxValue, line.y + textField.y));
AdjustCaret(cp, !evt.shift);
break;
}
//Select All
case Keys.A:
{
if (evt.ctrl)
{
context.PreventDefault();
_selectionStart = 0;
AdjustCaret(GetCharPosition(int.MaxValue));
}
break;
}
//Copy
case Keys.C:
{
if (evt.ctrl && !_displayAsPassword)
{
context.PreventDefault();
string s = GetSelection();
if (!string.IsNullOrEmpty(s))
{
DoCopy(s);
}
}
break;
}
//Paste
case Keys.V:
{
if (evt.ctrl)
{
context.PreventDefault();
DoPaste();
}
break;
}
//Cut
case Keys.X:
{
if (evt.ctrl && !_displayAsPassword)
{
context.PreventDefault();
string s = GetSelection();
if (!string.IsNullOrEmpty(s))
{
DoCopy(s);
ReplaceSelection(null);
}
}
break;
}
case Keys.Enter:
{
if (textField.singleLine)
{
DispatchEvent("onSubmit", null);
return;
}
break;
}
}
if (evt.ctrl)
{
return;
}
string str = evt.KeyName;
if (!string.IsNullOrEmpty(str) && IMEAdapter.compositionMode == IMEAdapter.CompositionMode.Off)
{
if (textField.singleLine && str == "\n")
{
return;
}
ReplaceSelection(str);
}
else
{
if (IMEAdapter.compositionString.Length > 0)
{
UpdateText();
}
}
}
