Properly deprecate Qt::MidButton in favor of Qt::MiddleButton

MidButton had its // ### Qt 5: remove me
upgraded to Qt 6 at 5.0; but it dates back to 4.7.0

Replace the many remaining uses of MidButton with MiddleButton in the
process.

Pick-to: 5.15
Change-Id: Idc1b1b1816673dfdb344d703d101febc823a76ff
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

19 files changed, 52 insertions, 50 deletions

diff --git a/src/corelib/global/qnamespace.h b/src/corelib/global/qnamespace.h
index 1058acc3a7..cb9b738522 100644
--- a/src/corelib/global/qnamespace.h
+++ b/src/corelib/global/qnamespace.h
@@ -81,8 +81,10 @@ namespace Qt {
         NoButton         = 0x00000000,
         LeftButton       = 0x00000001,
         RightButton      = 0x00000002,
-        MidButton        = 0x00000004, // ### Qt 6: remove me
-        MiddleButton     = MidButton,
+        MiddleButton     = 0x00000004,
+#if QT_DEPRECATED_SINCE(5, 15) // commented as such since 4.7.0
+        MidButton Q_DECL_ENUMERATOR_DEPRECATED_X("MidButton is deprecated. Use MiddleButton instead") = MiddleButton,
+#endif
         BackButton       = 0x00000008,
         XButton1         = BackButton,
         ExtraButton1     = XButton1,
diff --git a/src/corelib/global/qnamespace.qdoc b/src/corelib/global/qnamespace.qdoc
index d148d643e7..a3d1564b06 100644
--- a/src/corelib/global/qnamespace.qdoc
+++ b/src/corelib/global/qnamespace.qdoc
@@ -323,8 +323,8 @@
            to the left button. (The left button may be the right button on
            left-handed mice.)
     \value RightButton     The right button.
-    \value MidButton       The middle button.
     \value MiddleButton    The middle button.
+    \omitvalue MidButton
 
     \value BackButton      The 'Back' button. (Typically present on
            the 'thumb' side of a mouse with extra buttons. This is NOT
diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp
index c8f2854514..df8a18beb0 100644
--- a/src/gui/kernel/qevent.cpp
+++ b/src/gui/kernel/qevent.cpp
@@ -735,7 +735,7 @@ Qt::MouseEventFlags QMouseEvent::flags() const
 
     Returns the button state when the event was generated. The button
     state is a combination of Qt::LeftButton, Qt::RightButton,
-    Qt::MidButton using the OR operator. For mouse move events,
+    Qt::MiddleButton using the OR operator. For mouse move events,
     this is all buttons that are pressed down. For mouse press and
     double click events this includes the button that caused the
     event. For mouse release events this excludes the button that
diff --git a/src/plugins/platforms/cocoa/qcocoasystemtrayicon.mm b/src/plugins/platforms/cocoa/qcocoasystemtrayicon.mm
index 3b5b5fc6f8..a975f2d76c 100644
--- a/src/plugins/platforms/cocoa/qcocoasystemtrayicon.mm
+++ b/src/plugins/platforms/cocoa/qcocoasystemtrayicon.mm
@@ -271,7 +271,7 @@ void QCocoaSystemTrayIcon::statusItemClicked()
         activationReason = QPlatformSystemTrayIcon::DoubleClick;
     } else {
         auto mouseButton = cocoaButton2QtButton(mouseEvent);
-        if (mouseButton == Qt::MidButton)
+        if (mouseButton == Qt::MiddleButton)
             activationReason = QPlatformSystemTrayIcon::MiddleClick;
         else if (mouseButton == Qt::RightButton)
             activationReason = QPlatformSystemTrayIcon::Context;
diff --git a/src/plugins/platforms/directfb/qdirectfbconvenience.cpp b/src/plugins/platforms/directfb/qdirectfbconvenience.cpp
index f3e8282101..c67a76f989 100644
--- a/src/plugins/platforms/directfb/qdirectfbconvenience.cpp
+++ b/src/plugins/platforms/directfb/qdirectfbconvenience.cpp
@@ -136,7 +136,7 @@ Qt::MouseButton QDirectFbConvenience::mouseButton(DFBInputDeviceButtonIdentifier
     case DIBI_RIGHT:                // value is 0x01
         return Qt::RightButton;
     case DIBI_MIDDLE:               // value is 0x02
-        return Qt::MidButton;
+        return Qt::MiddleButton;
     case 0x03:
         return Qt::BackButton;
     case 0x04:
@@ -198,7 +198,7 @@ Qt::MouseButtons QDirectFbConvenience::mouseButtons(DFBInputDeviceButtonMask mas
         buttons |= Qt::LeftButton;
     }
     if (mask & DIBM_MIDDLE) {
-        buttons |= Qt::MidButton;
+        buttons |= Qt::MiddleButton;
     }
     if (mask & DIBM_RIGHT) {
         buttons |= Qt::RightButton;
diff --git a/src/plugins/platforms/vnc/qvnc.cpp b/src/plugins/platforms/vnc/qvnc.cpp
index aea8d26983..7d8649d12f 100644
--- a/src/plugins/platforms/vnc/qvnc.cpp
+++ b/src/plugins/platforms/vnc/qvnc.cpp
@@ -425,7 +425,7 @@ bool QRfbPointerEvent::read(QTcpSocket *s)
     if (buttonMask & 1)
         buttons |= Qt::LeftButton;
     if (buttonMask & 2)
-        buttons |= Qt::MidButton;
+        buttons |= Qt::MiddleButton;
     if (buttonMask & 4)
         buttons |= Qt::RightButton;
 
diff --git a/src/plugins/platforms/windows/qwindowsmousehandler.cpp b/src/plugins/platforms/windows/qwindowsmousehandler.cpp
index 5e2710bc28..02c59d4d27 100644
--- a/src/plugins/platforms/windows/qwindowsmousehandler.cpp
+++ b/src/plugins/platforms/windows/qwindowsmousehandler.cpp
@@ -143,7 +143,7 @@ Qt::MouseButtons QWindowsMouseHandler::queryMouseButtons()
     if (GetAsyncKeyState(VK_RBUTTON) < 0)
         result |= mouseSwapped ? Qt::LeftButton : Qt::RightButton;
     if (GetAsyncKeyState(VK_MBUTTON) < 0)
-        result |= Qt::MidButton;
+        result |= Qt::MiddleButton;
     if (GetAsyncKeyState(VK_XBUTTON1) < 0)
         result |= Qt::XButton1;
     if (GetAsyncKeyState(VK_XBUTTON2) < 0)
@@ -187,11 +187,11 @@ static inline MouseEvent eventFromMsg(const MSG &msg)
     case WM_LBUTTONDBLCLK: // Qt QPA does not handle double clicks, send as press
         return {QEvent::MouseButtonPress, Qt::LeftButton};
     case WM_MBUTTONDOWN:
-        return {QEvent::MouseButtonPress, Qt::MidButton};
+        return {QEvent::MouseButtonPress, Qt::MiddleButton};
     case WM_MBUTTONUP:
-        return {QEvent::MouseButtonRelease, Qt::MidButton};
+        return {QEvent::MouseButtonRelease, Qt::MiddleButton};
     case WM_MBUTTONDBLCLK:
-        return {QEvent::MouseButtonPress, Qt::MidButton};
+        return {QEvent::MouseButtonPress, Qt::MiddleButton};
     case WM_RBUTTONDOWN:
         return {QEvent::MouseButtonPress, Qt::RightButton};
     case WM_RBUTTONUP:
@@ -213,11 +213,11 @@ static inline MouseEvent eventFromMsg(const MSG &msg)
     case WM_NCLBUTTONDBLCLK:
         return {QEvent::NonClientAreaMouseButtonPress, Qt::LeftButton};
     case WM_NCMBUTTONDOWN:
-        return {QEvent::NonClientAreaMouseButtonPress, Qt::MidButton};
+        return {QEvent::NonClientAreaMouseButtonPress, Qt::MiddleButton};
     case WM_NCMBUTTONUP:
-        return {QEvent::NonClientAreaMouseButtonRelease, Qt::MidButton};
+        return {QEvent::NonClientAreaMouseButtonRelease, Qt::MiddleButton};
     case WM_NCMBUTTONDBLCLK:
-        return {QEvent::NonClientAreaMouseButtonPress, Qt::MidButton};
+        return {QEvent::NonClientAreaMouseButtonPress, Qt::MiddleButton};
     case WM_NCRBUTTONDOWN:
         return {QEvent::NonClientAreaMouseButtonPress, Qt::RightButton};
     case WM_NCRBUTTONUP:
diff --git a/src/plugins/platforms/windows/qwindowspointerhandler.cpp b/src/plugins/platforms/windows/qwindowspointerhandler.cpp
index d5c3aeacff..095aea2b95 100644
--- a/src/plugins/platforms/windows/qwindowspointerhandler.cpp
+++ b/src/plugins/platforms/windows/qwindowspointerhandler.cpp
@@ -197,11 +197,11 @@ static inline MouseEvent eventFromMsg(const MSG &msg)
     case WM_LBUTTONDBLCLK: // Qt QPA does not handle double clicks, send as press
         return {QEvent::MouseButtonPress, Qt::LeftButton};
     case WM_MBUTTONDOWN:
-        return {QEvent::MouseButtonPress, Qt::MidButton};
+        return {QEvent::MouseButtonPress, Qt::MiddleButton};
     case WM_MBUTTONUP:
-        return {QEvent::MouseButtonRelease, Qt::MidButton};
+        return {QEvent::MouseButtonRelease, Qt::MiddleButton};
     case WM_MBUTTONDBLCLK:
-        return {QEvent::MouseButtonPress, Qt::MidButton};
+        return {QEvent::MouseButtonPress, Qt::MiddleButton};
     case WM_RBUTTONDOWN:
         return {QEvent::MouseButtonPress, Qt::RightButton};
     case WM_RBUTTONUP:
@@ -223,11 +223,11 @@ static inline MouseEvent eventFromMsg(const MSG &msg)
     case WM_NCLBUTTONDBLCLK:
         return {QEvent::NonClientAreaMouseButtonPress, Qt::LeftButton};
     case WM_NCMBUTTONDOWN:
-        return {QEvent::NonClientAreaMouseButtonPress, Qt::MidButton};
+        return {QEvent::NonClientAreaMouseButtonPress, Qt::MiddleButton};
     case WM_NCMBUTTONUP:
-        return {QEvent::NonClientAreaMouseButtonRelease, Qt::MidButton};
+        return {QEvent::NonClientAreaMouseButtonRelease, Qt::MiddleButton};
     case WM_NCMBUTTONDBLCLK:
-        return {QEvent::NonClientAreaMouseButtonPress, Qt::MidButton};
+        return {QEvent::NonClientAreaMouseButtonPress, Qt::MiddleButton};
     case WM_NCRBUTTONDOWN:
         return {QEvent::NonClientAreaMouseButtonPress, Qt::RightButton};
     case WM_NCRBUTTONUP:
@@ -265,7 +265,7 @@ static Qt::MouseButtons queryMouseButtons()
     if (GetAsyncKeyState(VK_RBUTTON) < 0)
         result |= mouseSwapped ? Qt::LeftButton : Qt::RightButton;
     if (GetAsyncKeyState(VK_MBUTTON) < 0)
-        result |= Qt::MidButton;
+        result |= Qt::MiddleButton;
     if (GetAsyncKeyState(VK_XBUTTON1) < 0)
         result |= Qt::XButton1;
     if (GetAsyncKeyState(VK_XBUTTON2) < 0)
diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp
index 1478e58ccc..a703a46cf8 100644
--- a/src/plugins/platforms/xcb/qxcbconnection.cpp
+++ b/src/plugins/platforms/xcb/qxcbconnection.cpp
@@ -459,7 +459,7 @@ static Qt::MouseButtons translateMouseButtons(int s)
     if (s & XCB_BUTTON_MASK_1)
         ret |= Qt::LeftButton;
     if (s & XCB_BUTTON_MASK_2)
-        ret |= Qt::MidButton;
+        ret |= Qt::MiddleButton;
     if (s & XCB_BUTTON_MASK_3)
         ret |= Qt::RightButton;
     return ret;
@@ -475,7 +475,7 @@ Qt::MouseButton QXcbConnection::translateMouseButton(xcb_button_t s)
 {
     switch (s) {
     case 1: return Qt::LeftButton;
-    case 2: return Qt::MidButton;
+    case 2: return Qt::MiddleButton;
     case 3: return Qt::RightButton;
     // Button values 4-7 were already handled as Wheel events, and won't occur here.
     case 8: return Qt::BackButton;      // Also known as Qt::ExtraButton1
diff --git a/src/plugins/styles/mac/qmacstyle_mac.mm b/src/plugins/styles/mac/qmacstyle_mac.mm
index 6563e95ceb..a7756919f9 100644
--- a/src/plugins/styles/mac/qmacstyle_mac.mm
+++ b/src/plugins/styles/mac/qmacstyle_mac.mm
@@ -2611,7 +2611,7 @@ int QMacStyle::styleHint(StyleHint sh, const QStyleOption *opt, const QWidget *w
         ret = true;
         break;
     case SH_Slider_AbsoluteSetButtons:
-        ret = Qt::LeftButton|Qt::MidButton;
+        ret = Qt::LeftButton|Qt::MiddleButton;
         break;
     case SH_Slider_PageSetButtons:
         ret = 0;
diff --git a/src/widgets/styles/qcommonstyle.cpp b/src/widgets/styles/qcommonstyle.cpp
index 3f86320c5d..ef70fffd38 100644
--- a/src/widgets/styles/qcommonstyle.cpp
+++ b/src/widgets/styles/qcommonstyle.cpp
@@ -5054,7 +5054,7 @@ int QCommonStyle::styleHint(StyleHint sh, const QStyleOption *opt, const QWidget
         ret = false;
         break;
     case SH_Slider_AbsoluteSetButtons:
-        ret = Qt::MidButton;
+        ret = Qt::MiddleButton;
         break;
     case SH_Slider_PageSetButtons:
         ret = Qt::LeftButton;
diff --git a/src/widgets/util/qsystemtrayicon_x11.cpp b/src/widgets/util/qsystemtrayicon_x11.cpp
index dfe60319e8..3099b0b3e7 100644
--- a/src/widgets/util/qsystemtrayicon_x11.cpp
+++ b/src/widgets/util/qsystemtrayicon_x11.cpp
@@ -137,7 +137,7 @@ void QSystemTrayIconSys::mousePressEvent(QMouseEvent *ev)
         emit q->activated(QSystemTrayIcon::Trigger);
     else if (ev->button() == Qt::RightButton)
         emit q->activated(QSystemTrayIcon::Context);
-    else if (ev->button() == Qt::MidButton)
+    else if (ev->button() == Qt::MiddleButton)
         emit q->activated(QSystemTrayIcon::MiddleClick);
 }
 
diff --git a/src/widgets/widgets/qlineedit.cpp b/src/widgets/widgets/qlineedit.cpp
index 13e3a070b9..24f27a4d9f 100644
--- a/src/widgets/widgets/qlineedit.cpp
+++ b/src/widgets/widgets/qlineedit.cpp
@@ -1615,7 +1615,7 @@ void QLineEdit::mouseReleaseEvent(QMouseEvent* e)
     if (QGuiApplication::clipboard()->supportsSelection()) {
         if (e->button() == Qt::LeftButton) {
             d->control->copy(QClipboard::Selection);
-        } else if (!d->control->isReadOnly() && e->button() == Qt::MidButton) {
+        } else if (!d->control->isReadOnly() && e->button() == Qt::MiddleButton) {
             deselect();
             d->control->paste(QClipboard::Selection);
         }
diff --git a/src/widgets/widgets/qmdiarea.cpp b/src/widgets/widgets/qmdiarea.cpp
index c1913a3d09..5311fbdb13 100644
--- a/src/widgets/widgets/qmdiarea.cpp
+++ b/src/widgets/widgets/qmdiarea.cpp
@@ -582,7 +582,7 @@ private:
 */
 void QMdiAreaTabBar::mousePressEvent(QMouseEvent *event)
 {
-    if (event->button() != Qt::MidButton) {
+    if (event->button() != Qt::MiddleButton) {
         QTabBar::mousePressEvent(event);
         return;
     }
diff --git a/src/widgets/widgets/qscrollbar.cpp b/src/widgets/widgets/qscrollbar.cpp
index cf2a3c5bfe..de58e8ffe7 100644
--- a/src/widgets/widgets/qscrollbar.cpp
+++ b/src/widgets/widgets/qscrollbar.cpp
@@ -557,7 +557,7 @@ void QScrollBar::mousePressEvent(QMouseEvent *e)
 
     if (d->maximum == d->minimum // no range
         || (e->buttons() & (~e->button())) // another button was clicked before
-        || !(e->button() == Qt::LeftButton || (midButtonAbsPos && e->button() == Qt::MidButton)))
+        || !(e->button() == Qt::LeftButton || (midButtonAbsPos && e->button() == Qt::MiddleButton)))
         return;
 
     d->pressedControl = style()->hitTestComplexControl(QStyle::CC_ScrollBar, &opt, e->position().toPoint(), this);
@@ -576,7 +576,7 @@ void QScrollBar::mousePressEvent(QMouseEvent *e)
 
     if ((d->pressedControl == QStyle::SC_ScrollBarAddPage
           || d->pressedControl == QStyle::SC_ScrollBarSubPage)
-        && ((midButtonAbsPos && e->button() == Qt::MidButton)
+        && ((midButtonAbsPos && e->button() == Qt::MiddleButton)
             || (style()->styleHint(QStyle::SH_ScrollBar_LeftClickAbsolutePosition, &opt, this)
                 && e->button() == Qt::LeftButton))) {
         int sliderLength = HORIZONTAL ? sr.width() : sr.height();
@@ -632,7 +632,7 @@ void QScrollBar::mouseMoveEvent(QMouseEvent *e)
     QStyleOptionSlider opt;
     initStyleOption(&opt);
     if (!(e->buttons() & Qt::LeftButton
-          ||  ((e->buttons() & Qt::MidButton)
+          ||  ((e->buttons() & Qt::MiddleButton)
                && style()->styleHint(QStyle::SH_ScrollBar_MiddleClickAbsolutePosition, &opt, this))))
         return;
 
diff --git a/src/widgets/widgets/qwidgettextcontrol.cpp b/src/widgets/widgets/qwidgettextcontrol.cpp
index 67bfffebaa..0ca12a2723 100644
--- a/src/widgets/widgets/qwidgettextcontrol.cpp
+++ b/src/widgets/widgets/qwidgettextcontrol.cpp
@@ -1794,7 +1794,7 @@ void QWidgetTextControlPrivate::mouseReleaseEvent(QEvent *e, Qt::MouseButton but
 #ifndef QT_NO_CLIPBOARD
         setClipboardSelection();
         selectionChanged(true);
-    } else if (button == Qt::MidButton
+    } else if (button == Qt::MiddleButton
                && (interactionFlags & Qt::TextEditable)
                && QGuiApplication::clipboard()->supportsSelection()) {
         setCursorPosition(pos);
diff --git a/tests/auto/corelib/global/qflags/tst_qflags.cpp b/tests/auto/corelib/global/qflags/tst_qflags.cpp
index e0cc1d71f5..64afdaf352 100644
--- a/tests/auto/corelib/global/qflags/tst_qflags.cpp
+++ b/tests/auto/corelib/global/qflags/tst_qflags.cpp
@@ -49,7 +49,7 @@ void tst_QFlags::testFlag() const
     Qt::MouseButtons btn = Qt::LeftButton | Qt::RightButton;
 
     QVERIFY(btn.testFlag(Qt::LeftButton));
-    QVERIFY(!btn.testFlag(Qt::MidButton));
+    QVERIFY(!btn.testFlag(Qt::MiddleButton));
 
     btn = { };
     QVERIFY(!btn.testFlag(Qt::LeftButton));
@@ -276,11 +276,11 @@ void tst_QFlags::testSetFlags()
 
     btn.setFlag(Qt::LeftButton);
     QVERIFY(btn.testFlag(Qt::LeftButton));
-    QVERIFY(!btn.testFlag(Qt::MidButton));
+    QVERIFY(!btn.testFlag(Qt::MiddleButton));
 
     btn.setFlag(Qt::LeftButton, false);
     QVERIFY(!btn.testFlag(Qt::LeftButton));
-    QVERIFY(!btn.testFlag(Qt::MidButton));
+    QVERIFY(!btn.testFlag(Qt::MiddleButton));
 
     MyStrictFlags flags;
     flags.setFlag(MyStrictEnum::StrictOne);
diff --git a/tests/auto/gui/kernel/qmouseevent/tst_qmouseevent.cpp b/tests/auto/gui/kernel/qmouseevent/tst_qmouseevent.cpp
index 70e5169648..da649c4400 100644
--- a/tests/auto/gui/kernel/qmouseevent/tst_qmouseevent.cpp
+++ b/tests/auto/gui/kernel/qmouseevent/tst_qmouseevent.cpp
@@ -152,11 +152,11 @@ void tst_QMouseEvent::checkMousePressEvent_data()
     QTest::newRow("rightButton-controlkey") << int(Qt::RightButton) << int(Qt::ControlModifier);
     QTest::newRow("rightButton-altkey") << int(Qt::RightButton) << int(Qt::AltModifier);
     QTest::newRow("rightButton-metakey") << int(Qt::RightButton) << int(Qt::MetaModifier);
-    QTest::newRow("midButton-nokey") << int(Qt::MidButton) << int(Qt::NoButton);
-    QTest::newRow("midButton-shiftkey") << int(Qt::MidButton) << int(Qt::ShiftModifier);
-    QTest::newRow("midButton-controlkey") << int(Qt::MidButton) << int(Qt::ControlModifier);
-    QTest::newRow("midButton-altkey") << int(Qt::MidButton) << int(Qt::AltModifier);
-    QTest::newRow("midButton-metakey") << int(Qt::MidButton) << int(Qt::MetaModifier);
+    QTest::newRow("middleButton-nokey") << int(Qt::MiddleButton) << int(Qt::NoButton);
+    QTest::newRow("middleButton-shiftkey") << int(Qt::MiddleButton) << int(Qt::ShiftModifier);
+    QTest::newRow("middleButton-controlkey") << int(Qt::MiddleButton) << int(Qt::ControlModifier);
+    QTest::newRow("middleButton-altkey") << int(Qt::MiddleButton) << int(Qt::AltModifier);
+    QTest::newRow("middleButton-metakey") << int(Qt::MiddleButton) << int(Qt::MetaModifier);
 }
 
 void tst_QMouseEvent::checkMousePressEvent()
@@ -193,11 +193,11 @@ void tst_QMouseEvent::checkMouseReleaseEvent_data()
     QTest::newRow("rightButton-controlkey") << int(Qt::RightButton) << int(Qt::ControlModifier);
     QTest::newRow("rightButton-altkey") << int(Qt::RightButton) << int(Qt::AltModifier);
     QTest::newRow("rightButton-metakey") << int(Qt::RightButton) << int(Qt::MetaModifier);
-    QTest::newRow("midButton-nokey") << int(Qt::MidButton) << int(Qt::NoButton);
-    QTest::newRow("midButton-shiftkey") << int(Qt::MidButton) << int(Qt::ShiftModifier);
-    QTest::newRow("midButton-controlkey") << int(Qt::MidButton) << int(Qt::ControlModifier);
-    QTest::newRow("midButton-altkey") << int(Qt::MidButton) << int(Qt::AltModifier);
-    QTest::newRow("midButton-metakey") << int(Qt::MidButton) << int(Qt::MetaModifier);
+    QTest::newRow("middleButton-nokey") << int(Qt::MiddleButton) << int(Qt::NoButton);
+    QTest::newRow("middleButton-shiftkey") << int(Qt::MiddleButton) << int(Qt::ShiftModifier);
+    QTest::newRow("middleButton-controlkey") << int(Qt::MiddleButton) << int(Qt::ControlModifier);
+    QTest::newRow("middleButton-altkey") << int(Qt::MiddleButton) << int(Qt::AltModifier);
+    QTest::newRow("middleButton-metakey") << int(Qt::MiddleButton) << int(Qt::MetaModifier);
 }
 
 void tst_QMouseEvent::checkMouseReleaseEvent()
diff --git a/tests/auto/other/macnativeevents/qnativeevents.cpp b/tests/auto/other/macnativeevents/qnativeevents.cpp
index f04b33151a..970c41bf2e 100644
--- a/tests/auto/other/macnativeevents/qnativeevents.cpp
+++ b/tests/auto/other/macnativeevents/qnativeevents.cpp
@@ -130,8 +130,8 @@ static QString getButtonAsString(const QNativeMouseButtonEvent *e)
         case Qt::RightButton:
             return "button = RightButton";
             break;
-        case Qt::MidButton:
-            return "button = MidButton";
+        case Qt::MiddleButton:
+            return "button = MiddleButton";
             break;
         default:
             return "button = Other";
@@ -292,7 +292,7 @@ QTextStream &operator>>(QTextStream &s, QNativeMouseButtonEvent *e)
             e->button = Qt::RightButton;
             break;
         case 3:
-            e->button = Qt::MidButton;
+            e->button = Qt::MiddleButton;
             break;
         default:
             e->button = Qt::NoButton;
@@ -319,7 +319,7 @@ QTextStream &operator>>(QTextStream &s, QNativeMouseDragEvent *e)
             e->button = Qt::RightButton;
             break;
         case 3:
-            e->button = Qt::MidButton;
+            e->button = Qt::MiddleButton;
             break;
         default:
             e->button = Qt::NoButton;