Revise C++ coding style using clang-format

Run the `Utilities/Scripts/clang-format.bash` script to update
all our C++ code to a new style defined by `.clang-format`.
Use `clang-format` version 3.8.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.

3 files changed, 24 insertions, 24 deletions

diff --git a/Tests/FindGTK2/gtkmm/helloworld.cpp b/Tests/FindGTK2/gtkmm/helloworld.cpp
index 535f44a..5f4e0ae 100644
--- a/Tests/FindGTK2/gtkmm/helloworld.cpp
+++ b/Tests/FindGTK2/gtkmm/helloworld.cpp
@@ -2,21 +2,21 @@
 #include <iostream>
 
 HelloWorld::HelloWorld()
-    : m_button("Hello World")   // creates a new button with label "Hello World".
+  : m_button("Hello World") // creates a new button with label "Hello World".
 {
-    // Sets the border width of the window.
-    set_border_width(10);
+  // Sets the border width of the window.
+  set_border_width(10);
 
-    // When the button receives the "clicked" signal, it will call the
-    // on_button_clicked() method defined below.
-    m_button.signal_clicked().connect(sigc::mem_fun(*this,
-                                      &HelloWorld::on_button_clicked));
+  // When the button receives the "clicked" signal, it will call the
+  // on_button_clicked() method defined below.
+  m_button.signal_clicked().connect(
+    sigc::mem_fun(*this, &HelloWorld::on_button_clicked));
 
-    // This packs the button into the Window (a container).
-    add(m_button);
+  // This packs the button into the Window (a container).
+  add(m_button);
 
-    // The final step is to display this newly created widget...
-    m_button.show();
+  // The final step is to display this newly created widget...
+  m_button.show();
 }
 
 HelloWorld::~HelloWorld()
@@ -25,5 +25,5 @@ HelloWorld::~HelloWorld()
 
 void HelloWorld::on_button_clicked()
 {
-    std::cout << "Hello World" << std::endl;
+  std::cout << "Hello World" << std::endl;
 }
diff --git a/Tests/FindGTK2/gtkmm/helloworld.h b/Tests/FindGTK2/gtkmm/helloworld.h
index ab9a076..ae9af17 100644
--- a/Tests/FindGTK2/gtkmm/helloworld.h
+++ b/Tests/FindGTK2/gtkmm/helloworld.h
@@ -6,15 +6,15 @@
 class HelloWorld : public Gtk::Window
 {
 public:
-    HelloWorld();
-    virtual ~HelloWorld();
+  HelloWorld();
+  virtual ~HelloWorld();
 
 protected:
-    //Signal handlers:
-    void on_button_clicked();
+  // Signal handlers:
+  void on_button_clicked();
 
-    //Member widgets:
-    Gtk::Button m_button;
+  // Member widgets:
+  Gtk::Button m_button;
 };
 
 #endif // GTKMM_EXAMPLE_HELLOWORLD_H
diff --git a/Tests/FindGTK2/gtkmm/main.cpp b/Tests/FindGTK2/gtkmm/main.cpp
index 566a4bd..1637da2 100644
--- a/Tests/FindGTK2/gtkmm/main.cpp
+++ b/Tests/FindGTK2/gtkmm/main.cpp
@@ -1,13 +1,13 @@
 #include "helloworld.h"
 #include <gtkmm.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    Gtk::Main kit(argc, argv);
+  Gtk::Main kit(argc, argv);
 
-    HelloWorld helloworld;
-    //Shows the window and returns when it is closed.
-    Gtk::Main::run(helloworld);
+  HelloWorld helloworld;
+  // Shows the window and returns when it is closed.
+  Gtk::Main::run(helloworld);
 
-    return 0;
+  return 0;
 }