Added icons to options dialog categories

Some categories do not have icons yet, unfortunately.

src/plugins/cpptools/completionsettingspage.cpp

@@ -70,6 +70,11 @@ QString CompletionSettingsPage::displayCategory() const
     return QCoreApplication::translate("Text Editor", TextEditor::Constants::TEXT_EDITOR_SETTINGS_TR_CATEGORY);
 }
 
+QIcon CompletionSettingsPage::categoryIcon() const
+{
+    return QIcon(QLatin1String(TextEditor::Constants::TEXT_EDITOR_SETTINGS_CATEGORY_ICON));
+}
+
 QWidget *CompletionSettingsPage::createPage(QWidget *parent)
 {
     QWidget *w = new QWidget(parent);

src/plugins/cpptools/completionsettingspage.h

@@ -53,6 +53,7 @@ public:
     QString displayName() const;
     QString category() const;
     QString displayCategory() const;
+    QIcon categoryIcon() const;
 
     QWidget *createPage(QWidget *parent);
     void apply();

src/plugins/cpptools/cppfilesettingspage.cpp

@@ -319,6 +319,11 @@ QString CppFileSettingsPage::displayCategory() const
     return QCoreApplication::translate("CppTools", Constants::CPP_SETTINGS_TR_CATEGORY);
 }
 
+QIcon CppFileSettingsPage::categoryIcon() const
+{
+    return QIcon(); // TODO: Icon for C++ or move into category
+}
+
 QWidget *CppFileSettingsPage::createPage(QWidget *parent)
 {
 

src/plugins/cpptools/cppfilesettingspage.h

@@ -101,6 +101,7 @@ public:
     virtual QString displayName() const;
     virtual QString category() const;
     virtual QString displayCategory() const;
+    virtual QIcon categoryIcon() const;
 
     virtual QWidget *createPage(QWidget *parent);
     virtual void apply();