git.mar77i.info Git - bigintmandel/blob - menubar.cpp

   1
   2 // menubar.cpp
   3
   4 #include <QPushButton>
   5 #include <qwidget.h>
   6
   7 #include "menubar.h"
   8
   9 static inline QAction *zoom_action(
  10     MenuBar *menu_bar, QAction *action, int data
  11 ) {
  12     QObject::connect(
  13         action,
  14         &QAction::triggered,
  15         menu_bar,
  16         &MenuBar::change_zoom_factor
  17     );
  18     action->setData(data);
  19     action->setCheckable(true);
  20     return action;
  21 }
  22
  23 MenuBar::MenuBar(BigintMandelWidget *parent)
  24 :   QMenuBar(parent),
  25     file_menu(new QMenu("&File", parent)),
  26     zoom_factor_menu(new QMenu("&Zoom factor", parent)),
  27     zoom_factor(2) {
  28     QKeySequence no_key;
  29     setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
  30     addMenu(file_menu);
  31     reset_action = file_menu->addAction(
  32         "&Reset", no_key, parent, &BigintMandelWidget::reset
  33     );
  34     load_action = file_menu->addAction(
  35         "&Load...", no_key, parent, &BigintMandelWidget::load_data
  36     );
  37     save_action = file_menu->addAction(
  38         "&Save...", no_key, parent, &BigintMandelWidget::save_data
  39     );
  40     file_menu->addSeparator();
  41     export_action = file_menu->addAction(
  42         "&Export...", no_key, parent, &BigintMandelWidget::export_img
  43     );
  44     file_menu->addSeparator();
  45     exit_action = file_menu->addAction(
  46         "E&xit", no_key, parent, &BigintMandelWidget::close
  47     );
  48
  49     addMenu(zoom_factor_menu);
  50     two_action = zoom_action(this, zoom_factor_menu->addAction("&2"), 2);
  51     four_action = zoom_action(this, zoom_factor_menu->addAction("&4"), 4);
  52     eight_action = zoom_action(this, zoom_factor_menu->addAction("&8"), 8);
  53     sixteen_action = zoom_action(this, zoom_factor_menu->addAction("1&6"), 16);
  54     check_action();
  55 }
  56
  57 void MenuBar::change_zoom_factor() {
  58     zoom_factor = static_cast<QAction*>(sender())->data().toInt();
  59     check_action();
  60 }