Bindable property with initialization

Implement Q_OBJECT_BINDABLE_PROPERTY_WITH_ARGS and
Q_OBJECT_COMPAT_PROPERTY_WITH_ARGS macros.
They allow to directly initialize the property member.

Task-number: QTBUG-85520
Change-Id: I76541d6785bbbf27976b9f0b865fb45be1e9beee
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

1 files changed, 39 insertions, 0 deletions

diff --git a/src/corelib/doc/snippets/code/src_corelib_kernel_qproperty.cpp b/src/corelib/doc/snippets/code/src_corelib_kernel_qproperty.cpp
index ed5df6eb86..4cb7c1c0ce 100644
--- a/src/corelib/doc/snippets/code/src_corelib_kernel_qproperty.cpp
+++ b/src/corelib/doc/snippets/code/src_corelib_kernel_qproperty.cpp
@@ -68,3 +68,42 @@ private:
     Q_OBJECT_BINDABLE_PROPERTY(MyClass, int, xProp, &MyClass::xChanged)
 };
 //! [0]
+
+//! [1]
+class MyClass : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(int x READ x WRITE setX NOTIFY xChanged BINDABLE bindableX)
+public:
+    int x() const { return xProp; }
+    void setX(int x) { xProp = x; }
+    QBindable<int> bindableX() { return QBindable<int>(&xProp); }
+
+signals:
+    void xChanged();
+
+private:
+    // Declare the instance of int bindable property data and
+    // initialize it with the value 5.
+    // This is similar to declaring
+    // int xProp = 5;
+    // without using the new QObjectBindableProperty class.
+    Q_OBJECT_BINDABLE_PROPERTY_WITH_ARGS(MyClass, int, xProp, 5, &MyClass::xChanged)
+};
+//! [1]
+
+//! [2]
+class CustomType
+{
+public:
+    CustomType(int val, int otherVal) : value(val), anotherValue(otherVal) { }
+
+private:
+    int value = 0;
+    int anotherValue = 0;
+};
+
+// later when using CustomType as a property
+Q_OBJECT_BINDABLE_PROPERTY_WITH_ARGS(MyClass, CustomType xProp, CustomType(5, 10),
+                                     &MyClass::xChanged)
+//! [2]