Fix build with '-no-feature-action' configuration

Task-number: QTBUG-68353
Change-Id: Ia949e4a72a363df5fba86504e5f7e3ce8a3ad347
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>

src/widgets/dialogs/qdialog.cpp

@@ -99,6 +99,10 @@ static inline int themeDialogType(const QDialog *dialog)
 #if QT_CONFIG(errormessage)
     if (qobject_cast<const QErrorMessage *>(dialog))
         return QPlatformTheme::MessageDialog;
+#endif
+#if !QT_CONFIG(filedialog) && !QT_CONFIG(colordialog) && !QT_CONFIG(fontdialog) && \
+    !QT_CONFIG(messagebox) && !QT_CONFIG(errormessage)
+    Q_UNUSED(dialog);
 #endif
     return -1;
 }

src/widgets/kernel/qwhatsthis.cpp

@@ -48,7 +48,9 @@
 #include "qscreen.h"
 #include "qpainter.h"
 #include "qtimer.h"
+#if QT_CONFIG(action)
 #include "qaction.h"
+#endif // QT_CONFIG(action)
 #include "qcursor.h"
 #include "qbitmap.h"
 #include "qtextdocument.h"
@@ -366,7 +368,9 @@ class QWhatsThisPrivate : public QObject
     ~QWhatsThisPrivate();
     static QWhatsThisPrivate *instance;
     bool eventFilter(QObject *, QEvent *) override;
+#if QT_CONFIG(action)
     QPointer<QAction> action;
+#endif // QT_CONFIG(action)
     static void say(QWidget *, const QString &, int x = 0, int y = 0);
     static void notifyToplevels(QEvent *e);
     bool leaveOnMouseRelease;
@@ -408,8 +412,10 @@ QWhatsThisPrivate::QWhatsThisPrivate()
 
 QWhatsThisPrivate::~QWhatsThisPrivate()
 {
+#if QT_CONFIG(action)
     if (action)
         action->setChecked(false);
+#endif // QT_CONFIG(action)
 #ifndef QT_NO_CURSOR
     QApplication::restoreOverrideCursor();
 #endif
@@ -485,6 +491,7 @@ bool QWhatsThisPrivate::eventFilter(QObject *o, QEvent *e)
     return true;
 }
 
+#if QT_CONFIG(action)
 class QWhatsThisAction: public QAction
 {
     Q_OBJECT
@@ -516,6 +523,7 @@ void QWhatsThisAction::actionTriggered()
         QWhatsThisPrivate::instance->action = this;
     }
 }
+#endif // QT_CONFIG(action)
 
 /*!
     This function switches the user interface into "What's This?"
@@ -672,10 +680,12 @@ void QWhatsThis::hideText()
     The returned QAction provides a convenient way to let users enter
     "What's This?" mode.
 */
+#if QT_CONFIG(action)
 QAction *QWhatsThis::createAction(QObject *parent)
 {
     return new QWhatsThisAction(parent);
 }
+#endif // QT_CONFIG(action)
 
 QT_END_NAMESPACE
 

src/widgets/kernel/qwhatsthis.h

@@ -48,7 +48,9 @@ QT_REQUIRE_CONFIG(whatsthis);
 
 QT_BEGIN_NAMESPACE
 
+#if QT_CONFIG(action)
 class QAction;
+#endif // QT_CONFIG(action)
 
 class Q_WIDGETS_EXPORT QWhatsThis
 {
@@ -62,7 +64,9 @@ public:
     static void showText(const QPoint &pos, const QString &text, QWidget *w = nullptr);
     static void hideText();
 
+#if QT_CONFIG(action)
     static QAction *createAction(QObject *parent = nullptr);
+#endif // QT_CONFIG(action)
 
 };
 

src/widgets/util/qsystemtrayicon.cpp

@@ -523,6 +523,8 @@ QBalloonTip::QBalloonTip(const QIcon &icon, const QString &title,
     closeButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
     closeButton->setFixedSize(closeButtonSize, closeButtonSize);
     QObject::connect(closeButton, SIGNAL(clicked()), this, SLOT(close()));
+#else
+    Q_UNUSED(closeButtonSize);
 #endif
 
 #if QT_CONFIG(label)

src/widgets/widgets/qlineedit.cpp

@@ -497,6 +497,8 @@ void QLineEdit::setClearButtonEnabled(bool enable)
         d->removeAction(clearAction);
         delete clearAction;
     }
+#else
+    Q_UNUSED(enable);
 #endif // QT_CONFIG(action)
 }
 

src/widgets/widgets/qlineedit_p.cpp

@@ -465,6 +465,8 @@ void QLineEditPrivate::setClearButtonEnabled(bool enabled)
             break;
         }
     }
+#else
+    Q_UNUSED(enabled);
 #endif
 }
 
@@ -482,6 +484,8 @@ void QLineEditPrivate::positionSideWidgets()
 #if QT_CONFIG(action)
             if (e.action->isVisible())
                 widgetGeometry.moveLeft(widgetGeometry.left() + delta);
+#else
+            Q_UNUSED(delta);
 #endif
         }
         widgetGeometry.moveLeft(contentRect.width() - p.widgetWidth - p.margin);
@@ -595,6 +599,8 @@ void QLineEditPrivate::removeAction(QAction *action)
      if (!hasSideWidgets()) // Last widget, remove connection
          QObject::disconnect(q, SIGNAL(textChanged(QString)), q, SLOT(_q_textChanged(QString)));
      q->update();
+#else
+    Q_UNUSED(action);
 #endif // QT_CONFIG(action)
 }