File qdbusviewer.patch of Package libqt4

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File qdbusviewer.patch of Package libqt4

From 560242131f9b5795cb7a3347b1b5a6a973f54e4a Mon Sep 17 00:00:00 2001
From: Dirk Mueller <mueller@kde.org>
Date: Fri, 4 Jan 2013 13:45:24 +0100
Subject: [PATCH] Try harder in matching the method signature

In cases where the Propertiesdialog has no specific Implementation
for a dbus data type, it creates a regular QLineEdit. In such cases,
qdbusviewer then tried to call the method with the arg set to a string
instead of the real datatype (for example uint64), which usually does not work.

We can be more clever and try to implicitely convert the user input
to the right datatype, which makes the invocation succeed.
---
 tools/qdbus/qdbusviewer/qdbusviewer.cpp | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

--- tools/qdbus/qdbusviewer/qdbusviewer.cpp
+++ tools/qdbus/qdbusviewer/qdbusviewer.cpp
@@ -259,7 +259,8 @@ void QDBusViewer::callMethod(const BusSignature &sig)
 
     const QList<QByteArray> paramTypes = method.parameterTypes();
     const QList<QByteArray> paramNames = method.parameterNames();
-    QList<int> types; // remember the low-level D-Bus type
+    QList<int> types;   // remember the low-level D-Bus type
+    QList<QVariant::Type> qvtypes; // remember the QVariant Type
     for (int i = 0; i < paramTypes.count(); ++i) {
         const QByteArray paramType = paramTypes.at(i);
         if (paramType.endsWith('&'))
@@ -268,6 +269,7 @@ void QDBusViewer::callMethod(const BusSignature &sig)
         QVariant::Type type = QVariant::nameToType(paramType);
         dialog.addProperty(QString::fromLatin1(paramNames.value(i)), type);
         types.append(QMetaType::type(paramType));
+        qvtypes.append(type);
     }
 
     if (!types.isEmpty()) {
@@ -279,9 +281,16 @@ void QDBusViewer::callMethod(const BusSignature &sig)
         args = dialog.values();
     }
 
-    // Special case - convert a value to a QDBusVariant if the
-    // interface wants a variant
+    // Try to convert the values we got as good as possible to the
+    // dbus signature. this is especially important for those inputted as strings
     for (int i = 0; i < args.count(); ++i) {
+        QVariant a = args.at(i);
+        if (qvtypes.at(i) != a.type()
+            && a.canConvert(qvtypes.at(i))) {
+            args[i].convert(qvtypes.at(i));
+        }
+        // Special case - convert a value to a QDBusVariant if the
+        // interface wants a variant
         if (types.at(i) == qMetaTypeId<QDBusVariant>())
             args[i] = QVariant::fromValue(QDBusVariant(args.at(i)));
     }
-- 
1.8.0.2

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