feat: option to double-click to fullscreen

Resolve: BLumia/pineapple-pictures#129

app/mainwindow.cpp

@@ -376,6 +376,10 @@ void MainWindow::mouseDoubleClickEvent(QMouseEvent *event)
         toggleMaximize();
         event->accept();
         break;
+    case Settings::DoubleClickBehavior::FullScreen:
+        toggleFullscreen();
+        event->accept();
+        break;
     case Settings::DoubleClickBehavior::Ignore:
         break;
     }

app/settings.h

@@ -15,6 +15,7 @@ public:
         Ignore,
         Close,
         Maximize,
+        FullScreen,
     };
     Q_ENUM(DoubleClickBehavior)
 

app/settingsdialog.cpp

@@ -75,7 +75,8 @@ SettingsDialog::SettingsDialog(QWidget *parent)
     static QList< QPair<Settings::DoubleClickBehavior, QString> > _dc_options {
         { Settings::DoubleClickBehavior::Ignore, tr("Do nothing") },
         { Settings::DoubleClickBehavior::Close, tr("Close the window") },
-        { Settings::DoubleClickBehavior::Maximize, tr("Toggle maximize") }
+        { Settings::DoubleClickBehavior::Maximize, tr("Toggle maximize") },
+        { Settings::DoubleClickBehavior::FullScreen, tr("Toggle fullscreen") }
     };
 
     static QList< QPair<Settings::MouseWheelBehavior, QString> > _mw_options {