Make main window copy and paste global for current focused window * libgui/src/workspace-view.h, libgui/src/workspace-view.cc (workspace_view::copyClipboard): New function. * libgui/src/qtinfo/webinfo.h, libgui/src/qtinfo/webinfo.cc (webinfo::pasteClipboard): New function. (webinfo::copyClipboard): New function. * libgui/src/octave-dock-widget.h, libgui/src/octave-dock-widget.cc (octave_dock_widget::copyClipboard): New function. (octave_dock_widget::pasteClipboard): New function. (octave_dock_widget::focusWidget): New function. (octave_dock_widget::octave_dock_widget): Connect copy/paste to main window signals. * libgui/src/main-window.cc (main_window::copyClipboard): process current directory copy if is focused. (main_window::pasteClipboard): process current directory paste if is focused. * libgui/src/m-editor/file-editor.h, libgui/src/m-editor/file-editor.cc (file_editor::copyClipboard): New function. (file_editor::pasteClipboard): New function. * libgui/src/history-dock-widget.h, libgui/src/history-dock-widget.cc (history_dock_widget::pasteClipboard): New function. (history_dock_widget::copyClipboard): New function. * libgui/src/files-dock-widget.h, libgui/src/files-dock-widget.cc (files_dock_widget::copyClipboard): New function. (files_dock_widget::pasteClipboard): New function. * libgui/src/documentation-dock-widget.h, libgui/src/documentation-dock-widget.cc (documentation_dock_widget::copyClipboard): New function. (documentation_dock_widget::pasteClipboard): New function. * libgui/qterminal/libqterminal/win32/QWinTerminalImpl.h, libgui/qterminal/libqterminal/win32/QWinTerminalImpl.cc (QWinTerminalImpl::copyClipboard): dont copy unless is focused widget. (QWinTerminalImpl::pasteClipboard): dont paste unless is focused widget. * libgui/qterminal/libqterminal/unix/TerminalView.h, libgui/qterminal/libqterminal/unix/TerminalView.cc (TerminalView::copyClipboard): only copy is focused widget. (TerminalView::pasteClipboard): only paste is focused widget.

--- a/libgui/src/documentation-dock-widget.h
+++ b/libgui/src/documentation-dock-widget.h
@@ -35,6 +35,10 @@
 
   documentation_dock_widget (QWidget *parent = 0);
 
+protected slots:
+  void copyClipboard ();
+  void pasteClipboard ();
+
 private:
 
   webinfo *_webinfo;