Implemented Rename Macro Usages

Works the same way as Rename Usages for C++ Symbols.

For now, no Search Again as this requieres further work.

Task-number: QTCREATORBUG-413

Change-Id: I09e85ea1e8c247f5ce0b6bc566aba8018c1569e4
Reviewed-by: Leandro Melo <leandro.melo@nokia.com>

src/plugins/cppeditor/cppeditor.cpp

@@ -742,10 +742,14 @@ void CPPEditorWidget::renameUsagesNow(const QString &replacement)
     info.snapshot = CppModelManagerInterface::instance()->snapshot();
     info.snapshot.insert(info.doc);
 
-    CanonicalSymbol cs(this, info);
-    if (Symbol *canonicalSymbol = cs(textCursor()))
-        if (canonicalSymbol->identifier() != 0)
-            m_modelManager->renameUsages(canonicalSymbol, cs.context(), replacement);
+    if (const Macro *macro = findCanonicalMacro(textCursor(), info.doc)) {
+        m_modelManager->renameMacroUsages(*macro, replacement);
+    } else {
+        CanonicalSymbol cs(this, info);
+        if (Symbol *canonicalSymbol = cs(textCursor()))
+            if (canonicalSymbol->identifier() != 0)
+                m_modelManager->renameUsages(canonicalSymbol, cs.context(), replacement);
+    }
 }
 
 void CPPEditorWidget::renameUsages()

src/plugins/cpptools/ModelManagerInterface.h

@@ -209,6 +209,7 @@ public:
                               const QString &replacement = QString()) = 0;
     virtual void findUsages(CPlusPlus::Symbol *symbol, const CPlusPlus::LookupContext &context) = 0;
 
+    virtual void renameMacroUsages(const CPlusPlus::Macro &macro, const QString &replacement = QString()) = 0;
     virtual void findMacroUsages(const CPlusPlus::Macro &macro) = 0;
 
     virtual void setExtraDiagnostics(const QString &fileName, int key,

src/plugins/cpptools/cppfindreferences.cpp

@@ -645,12 +645,23 @@ static void findMacroUses_helper(QFutureInterface<Usage> &future,
 }
 
 void CppFindReferences::findMacroUses(const Macro &macro)
+{
+    findMacroUses(macro, QString(), false);
+}
+
+void CppFindReferences::findMacroUses(const Macro &macro, const QString &replacement, bool replace)
 {
     Find::SearchResult *search = Find::SearchResultWindow::instance()->startNewSearch(
                 tr("C++ Macro Usages:"),
                 QString(),
                 macro.name(),
-                Find::SearchResultWindow::SearchOnly);
+                replace ? Find::SearchResultWindow::SearchAndReplace
+                        : Find::SearchResultWindow::SearchOnly,
+                QLatin1String("CppEditor"));
+
+    search->setTextToReplace(replacement);
+    connect(search, SIGNAL(replaceButtonClicked(QString,QList<Find::SearchResultItem>)),
+            SLOT(onReplaceButtonClicked(QString,QList<Find::SearchResultItem>)));
 
     Find::SearchResultWindow::instance()->popup(true);
 
@@ -685,6 +696,12 @@ void CppFindReferences::findMacroUses(const Macro &macro)
     connect(progress, SIGNAL(clicked()), search, SLOT(popup()));
 }
 
+void CppFindReferences::renameMacroUses(const Macro &macro, const QString &replacement)
+{
+    const QString textToReplace = replacement.isEmpty() ? macro.name() : replacement;
+    findMacroUses(macro, textToReplace, true);
+}
+
 DependencyTable CppFindReferences::updateDependencyTable(CPlusPlus::Snapshot snapshot)
 {
     DependencyTable oldDeps = dependencyTable();

src/plugins/cpptools/cppfindreferences.h

@@ -82,6 +82,7 @@ public:
                       const QString &replacement = QString());
 
     void findMacroUses(const CPlusPlus::Macro &macro);
+    void renameMacroUses(const CPlusPlus::Macro &macro, const QString &replacement = QString());
 
     CPlusPlus::DependencyTable updateDependencyTable(CPlusPlus::Snapshot snapshot);
 
@@ -97,6 +98,8 @@ private Q_SLOTS:
 private:
     void findUsages(CPlusPlus::Symbol *symbol, const CPlusPlus::LookupContext &context,
                     const QString &replacement, bool replace);
+    void findMacroUses(const CPlusPlus::Macro &macro, const QString &replacement,
+                       bool replace);
     void findAll_helper(Find::SearchResult *search);
     CPlusPlus::DependencyTable dependencyTable() const;
     void setDependencyTable(const CPlusPlus::DependencyTable &newTable);

src/plugins/cpptools/cppmodelmanager.cpp

@@ -870,6 +870,11 @@ void CppModelManager::findMacroUsages(const CPlusPlus::Macro &macro)
     m_findReferences->findMacroUses(macro);
 }
 
+void CppModelManager::renameMacroUsages(const CPlusPlus::Macro &macro, const QString &replacement)
+{
+    m_findReferences->renameMacroUses(macro, replacement);
+}
+
 CppModelManager::WorkingCopy CppModelManager::buildWorkingCopyList()
 {
     WorkingCopy workingCopy;

src/plugins/cpptools/cppmodelmanager.h

@@ -129,6 +129,7 @@ public:
     virtual void findUsages(CPlusPlus::Symbol *symbol, const CPlusPlus::LookupContext &context);
 
     virtual void findMacroUsages(const CPlusPlus::Macro &macro);
+    virtual void renameMacroUsages(const CPlusPlus::Macro &macro, const QString &replacement);
 
     virtual void setExtraDiagnostics(const QString &fileName, int key,
                                      const QList<CPlusPlus::Document::DiagnosticMessage> &diagnostics);