gui/Status.cpp

   1 // Status and progress bars as provided by Qt.
   2 // Copyright © 2010 The University of Chicago
   3
   4 // Based on the setStatusBar1, etc methods from LinguisticaMainWindow.
   5
   6 #include <utility>
   7 #include <QProgressBar>
   8 #include <QLabel>
   9 #include <QString>
  10 #include "ui/Status.h"
  11 #include "Status.h"
  12
  13 namespace linguistica { namespace ui {
  14
  15 namespace {
  16         typedef qt::status_interface status;
  17 }
  18
  19 // XXX. Processing blocks normal repaint events.
  20 void status::label::update() { w.repaint(); }
  21 void status::label::clear() { w.clear(); update(); }
  22 status::label& status::label::operator=(const QString& str)
  23         { w.setText(str); update(); return *this; }
  24
  25 // XXX. Processing blocks normal repaint events, but
  26 // we do not force a repaint for historical raisons.
  27 void status::progressbar::update() { }
  28 void status::progressbar::clear() { w.reset(); update(); }
  29
  30 void status::progressbar::set_denominator(int denom)
  31         { incr = std::max(denom / 20, 1); w.setRange(0, denom); }
  32
  33 status::progressbar& status::progressbar::assign(int n)
  34 {
  35         w.setValue(n);
  36         update();
  37         return *this;
  38 }
  39
  40 } } // namespace linguistica::ui