raise SIGINT in octave_interpreter instead of in QTerminal * QTerminal.h (QTerminal::interrupt_signal): New signal. (QTerminal::terminal_interrupt): New slot. * QUnixTerminalImpl.cpp (QUnixTerminalImpl::initialize): Connect m_terminalView::interrupt_signal to QTerminal::terminal_interrupt. * TerminalView.h (TerminalView::interrupt_signal): New signal. * TerminalView.cpp (TerminalView::copyClipboard): Emit interrupt_signal instead of calling raising SIGINT signal. * terminal-dock-widget.h, terminal-dock-widget.cc (terminal_dock_widget::interrupt_signal): New signal. (terminal_dock_widget::terminal_interrupt): New slot. (terminal_dock_widget::terminal_dock_widget): Connect terminal::interrupt_signal to terminal_dock_widget::terminal_interrupt slot. (terminal_dock_widget::terminal_interrupt): New function. Emit terminal_dock_widget::interrupt_signal. * QWinTerminalImpl.cpp (QWinTerminalImpl::copyClipboard): Call terminal_interrupt instead of raising SIGINT signal. main-window.cc (main_window::construct_octave_qt_link): Connect command_window::interrupt_signal to _octave_qt_link::terminal_interrupt slot. * octave-qt-link.h, octave-qt-link.cc (octave_qt_link::terminal_interrupt): New slot. * octave-interpreter.h, octave_interpreter.cc (octave_interpreter::interrupt): New slot. Raise SIGINT here.

--- a/libgui/src/terminal-dock-widget.h
+++ b/libgui/src/terminal-dock-widget.h
@@ -41,6 +41,14 @@
 
   void focus (void);
 
+signals:
+
+  void interrupt_signal (void);
+
+protected slots:
+
+  void terminal_interrupt (void);
+
 private:
 
   QTerminal *terminal;