uic: Implement form window setting to disable QObject::connectSlotsByName()

Task-number: QTBUG-76375
Change-Id: I16ad147366aa7d52b7a0e17ae240127d8ac34b3c
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

src/tools/uic/cpp/cppwriteinitialization.cpp

@@ -467,6 +467,9 @@ void WriteInitialization::acceptUI(DomUI *node)
     m_widgetChain.push(nullptr);
     m_layoutChain.push(nullptr);
 
+    if (node->hasAttributeConnectslotsbyname())
+        m_connectSlotsByName = node->attributeConnectslotsbyname();
+
     acceptLayoutDefault(node->elementLayoutDefault());
     acceptLayoutFunction(node->elementLayoutFunction());
 
@@ -536,7 +539,7 @@ void WriteInitialization::acceptUI(DomUI *node)
     if (!m_delayedInitialization.isEmpty())
         m_output << "\n" << m_delayedInitialization << "\n";
 
-    if (m_option.autoConnection) {
+    if (m_option.autoConnection && m_connectSlotsByName) {
         m_output << "\n" << m_indent << "QMetaObject" << language::qualifier
             << "connectSlotsByName(" << varName << ')' << language::eol;
     }

src/tools/uic/cpp/cppwriteinitialization.h

@@ -311,6 +311,7 @@ private:
 
     bool m_layoutWidget = false;
     bool m_firstThemeIcon = true;
+    bool m_connectSlotsByName = true;
 };
 
 } // namespace CPP

src/tools/uic/ui4.cpp

@@ -76,6 +76,10 @@ void DomUI::read(QXmlStreamReader &reader)
             setAttributeIdbasedtr(attribute.value() == QLatin1String("true"));
             continue;
         }
+        if (name == QLatin1String("connectslotsbyname")) {
+            setAttributeConnectslotsbyname(attribute.value() == QLatin1String("true"));
+            continue;
+        }
         if (name == QLatin1String("stdsetdef")) {
             setAttributeStdsetdef(attribute.value().toInt());
             continue;
@@ -209,6 +213,9 @@ void DomUI::write(QXmlStreamWriter &writer, const QString &tagName) const
     if (hasAttributeIdbasedtr())
         writer.writeAttribute(QStringLiteral("idbasedtr"), (attributeIdbasedtr() ? QLatin1String("true") : QLatin1String("false")));
 
+    if (hasAttributeConnectslotsbyname())
+        writer.writeAttribute(QStringLiteral("connectslotsbyname"), (attributeConnectslotsbyname() ? QLatin1String("true") : QLatin1String("false")));
+
     if (hasAttributeStdsetdef())
         writer.writeAttribute(QStringLiteral("stdsetdef"), QString::number(attributeStdsetdef()));
 

src/tools/uic/ui4.h

@@ -169,6 +169,11 @@ public:
     inline void setAttributeIdbasedtr(bool a) { m_attr_idbasedtr = a; m_has_attr_idbasedtr = true; }
     inline void clearAttributeIdbasedtr() { m_has_attr_idbasedtr = false; }
 
+    inline bool hasAttributeConnectslotsbyname() const { return m_has_attr_connectslotsbyname; }
+    inline bool attributeConnectslotsbyname() const { return m_attr_connectslotsbyname; }
+    inline void setAttributeConnectslotsbyname(bool a) { m_attr_connectslotsbyname = a; m_has_attr_connectslotsbyname = true; }
+    inline void clearAttributeConnectslotsbyname() { m_has_attr_connectslotsbyname = false; }
+
     inline bool hasAttributeStdsetdef() const { return m_has_attr_stdsetdef; }
     inline int attributeStdsetdef() const { return m_attr_stdsetdef; }
     inline void setAttributeStdsetdef(int a) { m_attr_stdsetdef = a; m_has_attr_stdsetdef = true; }
@@ -285,6 +290,9 @@ private:
     bool m_attr_idbasedtr = false;
     bool m_has_attr_idbasedtr = false;
 
+    bool m_attr_connectslotsbyname = false;
+    bool m_has_attr_connectslotsbyname = false;
+
     int m_attr_stdsetdef = 0;
     bool m_has_attr_stdsetdef = false;
 

tests/auto/tools/uic/baseline/dialog.ui

@@ -1,4 +1,4 @@
-<ui version="4.0" >
+<ui version="4.0" connectslotsbyname="false">
  <class>Dialog</class>
  <widget class="QDialog" name="Dialog" >
   <property name="geometry" >

tests/auto/tools/uic/baseline/dialog.ui.h

@@ -52,8 +52,6 @@ public:
 
 
         retranslateUi(Dialog);
-
-        QMetaObject::connectSlotsByName(Dialog);
     } // setupUi
 
     void retranslateUi(QDialog *Dialog)