fix: Dirty Fix改为部分刷新光标后的显示问题 (#320)

使用绘制偏移量使得部分刷新能够覆盖真正的光标部分。
一旦找到根因，就应该取消这些偏移量。

Log: Dirty Fix改为部分刷新光标后的显示问题

Signed-off-by: Yutao Meng <mengyutao@deepin.org>

3rdparty/terminalwidget/lib/TerminalDisplay.cpp

@@ -647,7 +647,7 @@ void TerminalDisplay::setKeyboardCursorShape(QTermWidget::KeyboardCursorShape sh
 {
  _cursorShape = shape;
 
- updateCursor();
+ update();
 }
 QTermWidget::KeyboardCursorShape TerminalDisplay::keyboardCursorShape() const
 {
@@ -738,11 +738,13 @@ void TerminalDisplay::drawCursor(QPainter& painter,
  painter.setPen(_cursorColor);
  else
  painter.setPen(foregroundColor);
-
+ // Todo (Archie Meng): 绘制偏移量用于很脏地修复光标显示问题，如果找到刷新问题的根因，应该改成不使用偏移量的形式。
  if ( _cursorShape == Emulation::KeyboardCursorShape::BlockCursor )
  {
+
  if ( hasFocus() )
  {
+ cursorRect.translate(1, 1);
  painter.fillRect(cursorRect, _cursorColor.isValid() ? _cursorColor : foregroundColor);
 
  if ( !_cursorColor.isValid() )
@@ -766,29 +768,29 @@ void TerminalDisplay::drawCursor(QPainter& painter,
  }
  else if ( _cursorShape == Emulation::KeyboardCursorShape::UnderlineCursor )
  painter.drawLine(QLineF(
- QPointF(cursorRect.left(),
+ QPointF(cursorRect.left() + 2,
  cursorRect.bottom()),
  QPointF(cursorRect.right(),
  cursorRect.bottom())));
  else if ( _cursorShape == Emulation::KeyboardCursorShape::IBeamCursor )
  painter.drawLine(QLineF(
- QPointF(cursorRect.left(),
-  cursorRect.top()),
- QPointF(cursorRect.left(),
+ QPointF(cursorRect.left() + 2,
+  cursorRect.top() + 2),
+ QPointF(cursorRect.left() + 2,
  cursorRect.bottom())));
  else if ( _cursorShape == Emulation::KeyboardCursorShape::BoldUnderlineCursor )
  { 
  if ( hasFocus() )
  {
- cursorRect.translate(0,cursorRect.height());
+ cursorRect.translate(1,cursorRect.height() - 4);
  cursorRect.setHeight(4);
  painter.fillRect(cursorRect, _cursorColor.isValid() ? _cursorColor : foregroundColor);
  }
  else
  {
  painter.drawRect(
  cursorRect.left(),
- cursorRect.bottom(),
+ cursorRect.bottom() - 4,
  cursorRect.width(),
  4);
  }