qt.cfg: Add/Enhance Qt macros and functions (#1164)

Qt macro Q_D() is disabled for now until ticket 8479 gets fixed.

cfg/qt.cfg

@@ -67,8 +67,7 @@
   <!-- QMetaObject::Connection QObject::connect(const QObject *sender, PointerToMemberFunction signal, const QObject *receiver, PointerToMemberFunction method, Qt::ConnectionType type = Qt::AutoConnection) -->
   <!-- QMetaObject::Connection QObject::connect(const QObject *sender, PointerToMemberFunction signal, Functor functor) -->
   <!-- QMetaObject::Connection QObject::connect(const QObject *sender, PointerToMemberFunction signal, const QObject *context, Functor functor, Qt::ConnectionType type = Qt::AutoConnection) -->
-  <!-- TODO: function configuration should match all overloaded functions and ideally only QObject methods -->
+  <function name="connect,QObject::connect">
-  <function name="connect">
     <noreturn>false</noreturn>
     <arg nr="1">
       <not-null/>
@@ -81,7 +80,10 @@
       <not-null/>
       <not-uninit/>
     </arg>
-    <arg nr="4">
+    <arg nr="4" default="0">
+      <not-uninit/>
+    </arg>
+    <arg nr="5" default="0">
       <not-uninit/>
     </arg>
   </function>
@@ -91,7 +93,7 @@
   <!-- bool QObject::disconnect(const QMetaObject::Connection &connection) -->
   <!-- bool QObject::disconnect(const QObject *sender, PointerToMemberFunction signal, const QObject *receiver, PointerToMemberFunction method) -->
   <!-- TODO: function configuration should match all overloaded functions and ideally only QObject methods -->
-  <function name="disconnect">
+  <function name="disconnect,QObject::disconnect">
     <noreturn>false</noreturn>
     <arg nr="1">
       <not-null/>
@@ -307,13 +309,42 @@
     <returnValue type="bool"/>
     <const/>
   </function>
+  <!-- QString QString::fromLatin1(const char *str, int size = -1) //static -->
+  <!-- QString QString::fromLatin1(const QByteArray &str) //static -->
+  <function name="QString::fromLatin1">
+    <noreturn>false</noreturn>
+    <use-retval/>
+    <returnValue type="QString"/>
+    <leak-ignore/>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" default="-1">
+      <not-uninit/>
+    </arg>
+  </function>
   <!-- QString QString::fromStdString(const std::string &str) //static -->
   <function name="QString::fromStdString">
     <noreturn>false</noreturn>
     <use-retval/>
     <returnValue type="QString"/>
+    <leak-ignore/>
     <arg nr="1"/>
   </function>
+  <!-- QString QString::fromUtf8(const char *str, int size = -1) //static -->
+  <!-- QString QString::fromUtf8(const QByteArray &str) //static -->
+  <function name="QString::fromUtf8">
+    <noreturn>false</noreturn>
+    <use-retval/>
+    <returnValue type="QString"/>
+    <leak-ignore/>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" default="-1">
+      <not-uninit/>
+    </arg>
+  </function>
   <!-- int QList::indexOf(const T &) const -->
   <!-- int QStringList::indexOf(const QString &) const -->
   <function name="QList::indexOf,QStringList::indexOf">
@@ -354,7 +385,8 @@
   <function name="QList::lastIndexOf,QStringList::lastIndexOf">
     <noreturn>false</noreturn>
     <use-retval/>
-    <returnValue type="signed int"/>
+    <returnValue type="int"/>
+    <const/>
     <arg nr="1">
       <not-uninit/>
     </arg>
@@ -494,6 +526,19 @@
     <use-retval/>
     <const/>
   </function>
+  <!-- QString QStringList::join(const QString &separator) const -->
+  <!-- QString QStringList::join(QLatin1String separator) const -->
+  <!-- QString QStringList::join(QChar separator) const -->
+  <function name="QStringList::join">
+    <noreturn>false</noreturn>
+    <use-retval/>
+    <returnValue type="QString"/>
+    <leak-ignore/>
+    <const/>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+  </function>
   <!-- void QMetaObject::connectSlotsByName(QObject *object) -->
   <function name="QMetaObject::connectSlotsByName">
     <noreturn>false</noreturn>
@@ -607,6 +652,10 @@
       <function name="back" yields="item"/>
     </access>
   </container>
+  <define name="Q_ARG(type, data)" value="QArgument&lt;type &gt;(#type, data)"/>
+  <!-- TODO: Enable when ticket 8479 got fixed
+  <define name="Q_D(Class)" value="Class##Private * const d = d_func()"/>
+  -->
   <define name="Q_DECL_EXPORT" value=""/>
   <define name="Q_DECL_IMPORT" value=""/>
   <define name="Q_DECLARE_FLAGS(x,y)" value=""/>
@@ -617,7 +666,11 @@
   <define name="Q_INTERFACES(X)" value=""/>
   <define name="Q_OBJECT" value=""/>
   <define name="Q_PROPERTY(X)" value=""/>
+  <define name="Q_Q(Class)" value="Class * const q = q_func()"/>
+  <define name="Q_RETURN_ARG(type, data)" value="QReturnArgument&lt;type &gt;(#type, data)"/>
+  <define name="Q_UNUSED(X)" value="(void)X;"/>
   <define name="foreach(A,B)" value="for(A:B)"/>
+  <define name="emit(X)" value="(X)"/>
   <podtype name="qint8" sign="s" size="1"/>
   <podtype name="qint16" sign="s" size="2"/>
   <podtype name="qint32" sign="s" size="4"/>