Show axes coordinates in Qt figures (bug #44959) * Canvas.h: new private bool member m_updtaCurrentPoint, to decide wether update the figure "currentpoint" property * Canvas.h (Canvas::enableCurrentPointUpdates): new method to set m_updtaCurrentPoint * Canvas.cc (Canvas::canvasMousePressEvent): move the code for axes/object selection in a dedicated method and call this method (select_object) instead. * Canvas.cc (Canvas::select_object): new method for axes/object selection. * Canvas.cc (Canvas::canvasMouseMoveEvent): update the parent figure status bar with the hovered axes coordinates * Figure.h: declare new method updateStatusBar * Figure.h: declare new private QStatusBar member m_statusBar. Include QStatusBar.h * Figure.cc (Figure::Figure): unconditionally enable mouse traching * Figure.cc (Figure::Figure): add status below of the canvas * Figure.cc (Figure::update): take status bar into account when updating the figure position * Figure.cc (Figure::update): remove some of the leftover debug comments * Figure.cc: define new method updateStatusBar

To cite GNU Octave in publications use:

  John W. Eaton, David Bateman, Søren Hauberg, Rik Wehbring (2015).
  GNU Octave version 4.0.0 manual: a high-level interactive language for
  numerical computations.
  URL http://www.gnu.org/software/octave/doc/interpreter/

A BibTeX entry for LaTeX users is:

  @book{,
    author    = {John W. Eaton, David Bateman, S\oren Hauberg, and Rik Wehbring},
    title     = {{GNU Octave} version 4.0.0 manual: a high-level interactive language for numerical computations},
    year      = {2015},
    url       = {http://www.gnu.org/software/octave/doc/interpreter},
  }

We have invested a lot of time and effort in creating GNU Octave, please cite it
when using it.  See also `citation pkgname' for citing Octave packages.