feat: 新增Ctrl + 鼠标点击移动光标功能

ESC [ pn C        cursor right pn times - stop at far right
ESC [ pn D        cursor left pn times - stop at far left
使用每次移动一格的方式进行光标移动

Log: 新增Ctrl + 鼠标点击移动光标功能

3rdparty/terminalwidget/lib/Emulation.h

@@ -295,6 +295,16 @@ public slots:
  */
  virtual void sendString(const char *string, int length = -1) = 0;
 
+ /**
+ * Send Cursor Change
+ *
+ * @param count count < 0
+ * cursor left count times
+ * count > 0
+ * cursor right count times
+ */
+ virtual void sendCursor(int count) = 0;
+
  /**
  * Processes an incoming stream of characters. receiveData() decodes the incoming
  * character buffer using the current codec(), and then calls receiveChar() for

3rdparty/terminalwidget/lib/Session.cpp

@@ -209,6 +209,8 @@ void Session::addView(TerminalDisplay * widget)
  SLOT(sendKeyEvent(QKeyEvent *)) );
  connect( widget , SIGNAL(mouseSignal(int,int,int,int)) , _emulation ,
  SLOT(sendMouseEvent(int,int,int,int)) );
+ connect(widget, SIGNAL(changedCursonPosition(int)), _emulation,
+ SLOT(sendCursor(int)));
  // 先判断是否有远程连接,若有,则连接远程
  // connect(widget, SIGNAL(sendStringToEmu(const char *)), _emulation, SLOT(sendString(const char *)));
 

3rdparty/terminalwidget/lib/TerminalDisplay.cpp

@@ -2083,6 +2083,17 @@ void TerminalDisplay::mousePressEvent(QMouseEvent* ev)
 
  selected = _screenWindow->isSelected(pos.x(),pos.y());
 
+ if (ev->modifiers() & Qt::ControlModifier) {
+ int line;
+ int column;
+ getExactCharacterPosition(ev->pos(), line, column);
+ line -= cursorPosition().y();
+ column -= cursorPosition().x();
+ int count = 0;
+ count += line * _columns + column;
+ emit changedCursonPosition(count);
+ }
+
  if ((!_ctrlDrag || ev->modifiers() & Qt::ControlModifier) && selected ) {
  // The user clicked inside selected text
  dragInfo.state = diPending;
@@ -2544,6 +2555,35 @@ void TerminalDisplay::getCharacterPosition(const QPoint& widgetPoint,int& line,i
  column = _usedColumns;
 }
 
+void TerminalDisplay::getExactCharacterPosition(const QPoint &widgetPoint, int &line, int &column) const
+{
+ line = (widgetPoint.y() - contentsRect().top() - _topMargin) / _fontHeight;
+ if (line < 0)
+ line = 0;
+ if (line >= _usedLines)
+ line = _usedLines - 1;
+
+ int x = widgetPoint.x() - contentsRect().left() - _leftMargin;
+ if (_fixedFont)
+ column = x / _fontWidth;
+ else {
+ column = 0;
+ while (column + 1 < _usedColumns && x > textWidth(0, column + 1, line))
+ column++;
+ }
+
+ if (column < 0)
+ column = 0;
+
+ // the column value returned can be equal to _usedColumns, which
+ // is the position just after the last character displayed in a line.
+ //
+ // this is required so that the user can select characters in the right-most
+ // column (or left-most for right-to-left input)
+ if (column > _usedColumns)
+ column = _usedColumns;
+}
+
 void TerminalDisplay::setHideCursor(bool hideCursor)
 {
  _hideCursor = hideCursor;

3rdparty/terminalwidget/lib/TerminalDisplay.h

@@ -437,6 +437,7 @@ class KONSOLEPRIVATE_EXPORT TerminalDisplay : public QWidget
  // maps a point on the widget to the position ( ie. line and column )
  // of the character at that point.
  void getCharacterPosition(const QPoint& widgetPoint,int& line,int& column) const;
+ void getExactCharacterPosition(const QPoint& widgetPoint,int& line,int& column) const;
 
  void setHideCursor(bool hideCursor);
 
@@ -573,6 +574,7 @@ public slots:
  void mouseSignal(int button, int column, int line, int eventType);
  void changedFontMetricSignal(int height, int width);
  void changedContentSizeSignal(int height, int width);
+ void changedCursonPosition(int count);
 
  /**
  * Emitted when the user right clicks on the display, or right-clicks with the Shift

3rdparty/terminalwidget/lib/Vt102Emulation.cpp

@@ -985,6 +985,16 @@ void Vt102Emulation::sendMouseEvent( int cb, int cx, int cy , int eventType )
  sendString(command);
 }
 
+void Vt102Emulation::sendCursor(int count)
+{
+ char command[32];
+ command[0] = '\0';
+ snprintf(command, sizeof(command), "\033[%c", count < 0 ? 'D' : 'C');
+ for (int i = 0; i < qAbs(count); ++i) {
+ sendString(command);
+ }
+}
+
 /**
  * The focus lost event can be used by Vim (or other terminal applications)
  * to recognize that the konsole window has lost focus.

3rdparty/terminalwidget/lib/Vt102Emulation.h

@@ -95,6 +95,7 @@ public slots:
  void sendText(const QString& text) override;
  void sendKeyEvent(QKeyEvent*) override;
  void sendMouseEvent(int buttons, int column, int line, int eventType) override;
+ void sendCursor(int count) override;
  virtual void focusLost();
  virtual void focusGained();