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.

24 files changed, 246 insertions, 252 deletions

diff --git a/Tests/FindGTK2/atk/main.c b/Tests/FindGTK2/atk/main.c
index e25030e..4dc8d4d 100644
--- a/Tests/FindGTK2/atk/main.c
+++ b/Tests/FindGTK2/atk/main.c
@@ -1,7 +1,7 @@
 #include <atk/atk.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    const gchar *name = atk_get_toolkit_name();
-    return 0;
+  const gchar* name = atk_get_toolkit_name();
+  return 0;
 }
diff --git a/Tests/FindGTK2/atkmm/main.cpp b/Tests/FindGTK2/atkmm/main.cpp
index f455c7a..89a97f7 100644
--- a/Tests/FindGTK2/atkmm/main.cpp
+++ b/Tests/FindGTK2/atkmm/main.cpp
@@ -1,8 +1,8 @@
 #include <atkmm.h>
 #include <atkmm/init.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    Atk::init();
-    return 0;
+  Atk::init();
+  return 0;
 }
diff --git a/Tests/FindGTK2/cairo/main.c b/Tests/FindGTK2/cairo/main.c
index 1b61001..e2be60c 100644
--- a/Tests/FindGTK2/cairo/main.c
+++ b/Tests/FindGTK2/cairo/main.c
@@ -1,52 +1,50 @@
 /* Taken from http://cairographics.org/samples/ */
 
-
 #include <cairo.h>
 #include <math.h>
 #include <stdio.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    char *filename;
-    if (argc != 2)
-    {
-        fprintf (stderr, "Usage: %s OUTPUT_FILENAME\n", argv[0]);
-        return 1;
-    }
-    filename = argv[1];
-    double xc = 128.0;
-    double yc = 128.0;
-    double radius = 100.0;
-    double angle1 = 45.0  * (M_PI/180.0);  /* angles are specified */
-    double angle2 = 180.0 * (M_PI/180.0);  /* in radians           */
-
-    cairo_surface_t *im = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, xc * 2, yc * 2);
-    cairo_t *cr = cairo_create(im);
-
-
-    cairo_set_line_width (cr, 10.0);
-    cairo_arc (cr, xc, yc, radius, angle1, angle2);
-    cairo_stroke (cr);
-
-    /* draw helping lines */
-    cairo_set_source_rgba (cr, 1, 0.2, 0.2, 0.6);
-    cairo_set_line_width (cr, 6.0);
-
-    cairo_arc (cr, xc, yc, 10.0, 0, 2*M_PI);
-    cairo_fill (cr);
-
-    cairo_arc (cr, xc, yc, radius, angle1, angle1);
-    cairo_line_to (cr, xc, yc);
-    cairo_arc (cr, xc, yc, radius, angle2, angle2);
-    cairo_line_to (cr, xc, yc);
-    cairo_stroke (cr);
-
-    cairo_status_t status = cairo_surface_write_to_png (im, filename);
-    cairo_surface_destroy (im);
-    if (status != CAIRO_STATUS_SUCCESS) {
-        fprintf(stderr, "Could not save png to '%s'\n", filename);
-    }
-
-    cairo_destroy(cr);
-    return 0;
+  char* filename;
+  if (argc != 2) {
+    fprintf(stderr, "Usage: %s OUTPUT_FILENAME\n", argv[0]);
+    return 1;
+  }
+  filename = argv[1];
+  double xc = 128.0;
+  double yc = 128.0;
+  double radius = 100.0;
+  double angle1 = 45.0 * (M_PI / 180.0);  /* angles are specified */
+  double angle2 = 180.0 * (M_PI / 180.0); /* in radians           */
+
+  cairo_surface_t* im =
+    cairo_image_surface_create(CAIRO_FORMAT_ARGB32, xc * 2, yc * 2);
+  cairo_t* cr = cairo_create(im);
+
+  cairo_set_line_width(cr, 10.0);
+  cairo_arc(cr, xc, yc, radius, angle1, angle2);
+  cairo_stroke(cr);
+
+  /* draw helping lines */
+  cairo_set_source_rgba(cr, 1, 0.2, 0.2, 0.6);
+  cairo_set_line_width(cr, 6.0);
+
+  cairo_arc(cr, xc, yc, 10.0, 0, 2 * M_PI);
+  cairo_fill(cr);
+
+  cairo_arc(cr, xc, yc, radius, angle1, angle1);
+  cairo_line_to(cr, xc, yc);
+  cairo_arc(cr, xc, yc, radius, angle2, angle2);
+  cairo_line_to(cr, xc, yc);
+  cairo_stroke(cr);
+
+  cairo_status_t status = cairo_surface_write_to_png(im, filename);
+  cairo_surface_destroy(im);
+  if (status != CAIRO_STATUS_SUCCESS) {
+    fprintf(stderr, "Could not save png to '%s'\n", filename);
+  }
+
+  cairo_destroy(cr);
+  return 0;
 }
diff --git a/Tests/FindGTK2/cairomm/main.cpp b/Tests/FindGTK2/cairomm/main.cpp
index 0db3a04..1a669c3 100644
--- a/Tests/FindGTK2/cairomm/main.cpp
+++ b/Tests/FindGTK2/cairomm/main.cpp
@@ -1,5 +1,5 @@
-// Taken from http://cgit.freedesktop.org/cairomm/plain/examples/surfaces/image-surface.cc
-
+// Taken from
+// http://cgit.freedesktop.org/cairomm/plain/examples/surfaces/image-surface.cc
 
 /* M_PI is defined in math.h in the case of Microsoft Visual C++, Solaris,
  * et. al.
@@ -18,45 +18,47 @@
 
 int main()
 {
-    Cairo::RefPtr<Cairo::ImageSurface> surface =
-        Cairo::ImageSurface::create(Cairo::FORMAT_ARGB32, 600, 400);
-
-    Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create(surface);
-
-    cr->save(); // save the state of the context
-    cr->set_source_rgb(0.86, 0.85, 0.47);
-    cr->paint();    // fill image with the color
-    cr->restore();  // color is back to black now
-
-    cr->save();
-    // draw a border around the image
-    cr->set_line_width(20.0);    // make the line wider
-    cr->rectangle(0.0, 0.0, surface->get_width(), surface->get_height());
-    cr->stroke();
-
-    cr->set_source_rgba(0.0, 0.0, 0.0, 0.7);
-    // draw a circle in the center of the image
-    cr->arc(surface->get_width() / 2.0, surface->get_height() / 2.0,
-            surface->get_height() / 4.0, 0.0, 2.0 * M_PI);
-    cr->stroke();
-
-    // draw a diagonal line
-    cr->move_to(surface->get_width() / 4.0, surface->get_height() / 4.0);
-    cr->line_to(surface->get_width() * 3.0 / 4.0, surface->get_height() * 3.0 / 4.0);
-    cr->stroke();
-    cr->restore();
+  Cairo::RefPtr<Cairo::ImageSurface> surface =
+    Cairo::ImageSurface::create(Cairo::FORMAT_ARGB32, 600, 400);
+
+  Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create(surface);
+
+  cr->save(); // save the state of the context
+  cr->set_source_rgb(0.86, 0.85, 0.47);
+  cr->paint();   // fill image with the color
+  cr->restore(); // color is back to black now
+
+  cr->save();
+  // draw a border around the image
+  cr->set_line_width(20.0); // make the line wider
+  cr->rectangle(0.0, 0.0, surface->get_width(), surface->get_height());
+  cr->stroke();
+
+  cr->set_source_rgba(0.0, 0.0, 0.0, 0.7);
+  // draw a circle in the center of the image
+  cr->arc(surface->get_width() / 2.0, surface->get_height() / 2.0,
+          surface->get_height() / 4.0, 0.0, 2.0 * M_PI);
+  cr->stroke();
+
+  // draw a diagonal line
+  cr->move_to(surface->get_width() / 4.0, surface->get_height() / 4.0);
+  cr->line_to(surface->get_width() * 3.0 / 4.0,
+              surface->get_height() * 3.0 / 4.0);
+  cr->stroke();
+  cr->restore();
 
 #ifdef CAIRO_HAS_PNG_FUNCTIONS
 
-    std::string filename = "image.png";
-    surface->write_to_png(filename);
+  std::string filename = "image.png";
+  surface->write_to_png(filename);
 
-    std::cout << "Wrote png file \"" << filename << "\"" << std::endl;
+  std::cout << "Wrote png file \"" << filename << "\"" << std::endl;
 
 #else
 
-    std::cout << "You must compile cairo with PNG support for this example to work."
-        << std::endl;
+  std::cout
+    << "You must compile cairo with PNG support for this example to work."
+    << std::endl;
 
 #endif
 }
diff --git a/Tests/FindGTK2/gdk/main.c b/Tests/FindGTK2/gdk/main.c
index ac1bd4b..71f523b 100644
--- a/Tests/FindGTK2/gdk/main.c
+++ b/Tests/FindGTK2/gdk/main.c
@@ -1,7 +1,7 @@
 #include <gdk/gdk.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    gdk_init(argc, argv);
-    return 0;
+  gdk_init(argc, argv);
+  return 0;
 }
diff --git a/Tests/FindGTK2/gdk_pixbuf/main.c b/Tests/FindGTK2/gdk_pixbuf/main.c
index e42b83e..ed9f564 100644
--- a/Tests/FindGTK2/gdk_pixbuf/main.c
+++ b/Tests/FindGTK2/gdk_pixbuf/main.c
@@ -1,10 +1,10 @@
 #include <gdk-pixbuf/gdk-pixbuf.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    const char *version = gdk_pixbuf_version;
-    const guint major = gdk_pixbuf_major_version;
-    const guint minor = gdk_pixbuf_minor_version;
-    const guint micro = gdk_pixbuf_micro_version;
-    return 0;
+  const char* version = gdk_pixbuf_version;
+  const guint major = gdk_pixbuf_major_version;
+  const guint minor = gdk_pixbuf_minor_version;
+  const guint micro = gdk_pixbuf_micro_version;
+  return 0;
 }
diff --git a/Tests/FindGTK2/gdkmm/main.cpp b/Tests/FindGTK2/gdkmm/main.cpp
index 935bcc4..639e261 100644
--- a/Tests/FindGTK2/gdkmm/main.cpp
+++ b/Tests/FindGTK2/gdkmm/main.cpp
@@ -1,7 +1,7 @@
 #include <gdkmm.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    Gdk::Color red = Gdk::Color("red");
-    return 0;
+  Gdk::Color red = Gdk::Color("red");
+  return 0;
 }
diff --git a/Tests/FindGTK2/gio/main.c b/Tests/FindGTK2/gio/main.c
index 13f4304..ebed1fc 100644
--- a/Tests/FindGTK2/gio/main.c
+++ b/Tests/FindGTK2/gio/main.c
@@ -1,8 +1,8 @@
 #include <gio/gio.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    GFile *file = g_file_new_for_path("path");
-    g_object_unref(file);
-    return 0;
+  GFile* file = g_file_new_for_path("path");
+  g_object_unref(file);
+  return 0;
 }
diff --git a/Tests/FindGTK2/giomm/main.cpp b/Tests/FindGTK2/giomm/main.cpp
index 8303ba9..c0d5975 100644
--- a/Tests/FindGTK2/giomm/main.cpp
+++ b/Tests/FindGTK2/giomm/main.cpp
@@ -1,7 +1,7 @@
 #include <giomm.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    Glib::RefPtr<Gio::File> f = Gio::File::create_for_path("path");
-    return 0;
+  Glib::RefPtr<Gio::File> f = Gio::File::create_for_path("path");
+  return 0;
 }
diff --git a/Tests/FindGTK2/glib/main.c b/Tests/FindGTK2/glib/main.c
index 80d0554..cf5e458 100644
--- a/Tests/FindGTK2/glib/main.c
+++ b/Tests/FindGTK2/glib/main.c
@@ -1,11 +1,11 @@
 #include <glib.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    if (!g_file_test("file", G_FILE_TEST_EXISTS)) {
-        g_print("File not found. \n");
-    } else {
-        g_print("File found. \n");
-    }
-    return 0;
+  if (!g_file_test("file", G_FILE_TEST_EXISTS)) {
+    g_print("File not found. \n");
+  } else {
+    g_print("File found. \n");
+  }
+  return 0;
 }
diff --git a/Tests/FindGTK2/glibmm/main.cpp b/Tests/FindGTK2/glibmm/main.cpp
index 0e8cdae..3cdc0bd 100644
--- a/Tests/FindGTK2/glibmm/main.cpp
+++ b/Tests/FindGTK2/glibmm/main.cpp
@@ -2,6 +2,6 @@
 
 int main(int, char**)
 {
-    Glib::init();
-    return 0;
+  Glib::init();
+  return 0;
 }
diff --git a/Tests/FindGTK2/gmodule/main.c b/Tests/FindGTK2/gmodule/main.c
index 5c85a6f..1ac5c1d 100644
--- a/Tests/FindGTK2/gmodule/main.c
+++ b/Tests/FindGTK2/gmodule/main.c
@@ -1,7 +1,7 @@
 #include <gmodule.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    gboolean b = g_module_supported();
-    return 0;
+  gboolean b = g_module_supported();
+  return 0;
 }
diff --git a/Tests/FindGTK2/gobject/main.c b/Tests/FindGTK2/gobject/main.c
index d3e13f9..46e2127 100644
--- a/Tests/FindGTK2/gobject/main.c
+++ b/Tests/FindGTK2/gobject/main.c
@@ -1,18 +1,21 @@
-/* Taken from https://developer.gnome.org/gobject/stable/chapter-gobject.html */
-
+/* Taken from https://developer.gnome.org/gobject/stable/chapter-gobject.html
+ */
 
 #include <glib-object.h>
 
+#define MAMAN_TYPE_BAR (maman_bar_get_type())
+#define MAMAN_BAR(obj)                                                        \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj), MAMAN_TYPE_BAR, MamanBar))
+#define MAMAN_IS_BAR(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), MAMAN_TYPE_BAR))
+#define MAMAN_BAR_CLASS(klass)                                                \
+  (G_TYPE_CHECK_CLASS_CAST((klass), MAMAN_TYPE_BAR, MamanBarClass))
+#define MAMAN_IS_BAR_CLASS(klass)                                             \
+  (G_TYPE_CHECK_CLASS_TYPE((klass), MAMAN_TYPE_BAR))
+#define MAMAN_BAR_GET_CLASS(obj)                                              \
+  (G_TYPE_INSTANCE_GET_CLASS((obj), MAMAN_TYPE_BAR, MamanBarClass))
 
-#define MAMAN_TYPE_BAR                  (maman_bar_get_type ())
-#define MAMAN_BAR(obj)                  (G_TYPE_CHECK_INSTANCE_CAST ((obj), MAMAN_TYPE_BAR, MamanBar))
-#define MAMAN_IS_BAR(obj)               (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MAMAN_TYPE_BAR))
-#define MAMAN_BAR_CLASS(klass)          (G_TYPE_CHECK_CLASS_CAST ((klass), MAMAN_TYPE_BAR, MamanBarClass))
-#define MAMAN_IS_BAR_CLASS(klass)       (G_TYPE_CHECK_CLASS_TYPE ((klass), MAMAN_TYPE_BAR))
-#define MAMAN_BAR_GET_CLASS(obj)        (G_TYPE_INSTANCE_GET_CLASS ((obj), MAMAN_TYPE_BAR, MamanBarClass))
-
-typedef struct _MamanBar        MamanBar;
-typedef struct _MamanBarClass   MamanBarClass;
+typedef struct _MamanBar MamanBar;
+typedef struct _MamanBarClass MamanBarClass;
 
 struct _MamanBar
 {
@@ -29,18 +32,17 @@ struct _MamanBarClass
 };
 
 /* will create maman_bar_get_type and set maman_bar_parent_class */
-G_DEFINE_TYPE (MamanBar, maman_bar, G_TYPE_OBJECT);
+G_DEFINE_TYPE(MamanBar, maman_bar, G_TYPE_OBJECT);
 
-static GObject *
-maman_bar_constructor (GType                  gtype,
-                       guint                  n_properties,
-                       GObjectConstructParam *properties)
+static GObject* maman_bar_constructor(GType gtype, guint n_properties,
+                                      GObjectConstructParam* properties)
 {
-  GObject *obj;
+  GObject* obj;
 
   {
     /* Always chain up to the parent constructor */
-    obj = G_OBJECT_CLASS (maman_bar_parent_class)->constructor (gtype, n_properties, properties);
+    obj = G_OBJECT_CLASS(maman_bar_parent_class)
+            ->constructor(gtype, n_properties, properties);
   }
 
   /* update the object state depending on constructor properties */
@@ -48,25 +50,21 @@ maman_bar_constructor (GType                  gtype,
   return obj;
 }
 
-static void
-maman_bar_class_init (MamanBarClass *klass)
+static void maman_bar_class_init(MamanBarClass* klass)
 {
-  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+  GObjectClass* gobject_class = G_OBJECT_CLASS(klass);
 
   gobject_class->constructor = maman_bar_constructor;
 }
 
-static void
-maman_bar_init (MamanBar *self)
+static void maman_bar_init(MamanBar* self)
 {
   /* initialize the object */
 }
 
-
-int
-main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    MamanBar *bar = g_object_new (MAMAN_TYPE_BAR, NULL);
-    g_object_unref(bar);
-    return 0;
+  MamanBar* bar = g_object_new(MAMAN_TYPE_BAR, NULL);
+  g_object_unref(bar);
+  return 0;
 }
diff --git a/Tests/FindGTK2/gthread/main.c b/Tests/FindGTK2/gthread/main.c
index ce68cbd..9606401 100644
--- a/Tests/FindGTK2/gthread/main.c
+++ b/Tests/FindGTK2/gthread/main.c
@@ -1,7 +1,7 @@
 #include <glib.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    g_thread_init(NULL);
-    return 0;
+  g_thread_init(NULL);
+  return 0;
 }
diff --git a/Tests/FindGTK2/gtk/main.c b/Tests/FindGTK2/gtk/main.c
index 309c328..010830a 100644
--- a/Tests/FindGTK2/gtk/main.c
+++ b/Tests/FindGTK2/gtk/main.c
@@ -1,15 +1,15 @@
 #include <gtk/gtk.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    GtkWidget *window;
+  GtkWidget* window;
 
-    gtk_init (&argc, &argv);
+  gtk_init(&argc, &argv);
 
-    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
-    gtk_widget_show  (window);
+  window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+  gtk_widget_show(window);
 
-    gtk_main ();
+  gtk_main();
 
-    return 0;
+  return 0;
 }
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;
 }
diff --git a/Tests/FindGTK2/pango/main.c b/Tests/FindGTK2/pango/main.c
index ef87ce4..aa6ea92 100644
--- a/Tests/FindGTK2/pango/main.c
+++ b/Tests/FindGTK2/pango/main.c
@@ -1,7 +1,7 @@
 #include <pango/pango.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    gboolean ret = pango_color_parse(NULL, "#ffffff");
-    return 0;
+  gboolean ret = pango_color_parse(NULL, "#ffffff");
+  return 0;
 }
diff --git a/Tests/FindGTK2/pangocairo/main.c b/Tests/FindGTK2/pangocairo/main.c
index 78268d6..15db513 100644
--- a/Tests/FindGTK2/pangocairo/main.c
+++ b/Tests/FindGTK2/pangocairo/main.c
@@ -1,72 +1,68 @@
-/* Taken from https://developer.gnome.org/pango/stable/pango-Cairo-Rendering.html */
-
+/* Taken from
+ * https://developer.gnome.org/pango/stable/pango-Cairo-Rendering.html */
 
 #include <math.h>
 #include <pango/pangocairo.h>
-static void
-draw_text (cairo_t *cr)
+static void draw_text(cairo_t* cr)
 {
 #define RADIUS 150
 #define N_WORDS 10
 #define FONT "Sans Bold 27"
-  PangoLayout *layout;
-  PangoFontDescription *desc;
+  PangoLayout* layout;
+  PangoFontDescription* desc;
   int i;
   /* Center coordinates on the middle of the region we are drawing
    */
-  cairo_translate (cr, RADIUS, RADIUS);
+  cairo_translate(cr, RADIUS, RADIUS);
   /* Create a PangoLayout, set the font and text */
-  layout = pango_cairo_create_layout (cr);
-  pango_layout_set_text (layout, "Text", -1);
-  desc = pango_font_description_from_string (FONT);
-  pango_layout_set_font_description (layout, desc);
-  pango_font_description_free (desc);
+  layout = pango_cairo_create_layout(cr);
+  pango_layout_set_text(layout, "Text", -1);
+  desc = pango_font_description_from_string(FONT);
+  pango_layout_set_font_description(layout, desc);
+  pango_font_description_free(desc);
   /* Draw the layout N_WORDS times in a circle */
-  for (i = 0; i < N_WORDS; i++)
-    {
-      int width, height;
-      double angle = (360. * i) / N_WORDS;
-      double red;
-      cairo_save (cr);
-      /* Gradient from red at angle == 60 to blue at angle == 240 */
-      red   = (1 + cos ((angle - 60) * G_PI / 180.)) / 2;
-      cairo_set_source_rgb (cr, red, 0, 1.0 - red);
-      cairo_rotate (cr, angle * G_PI / 180.);
-      /* Inform Pango to re-layout the text with the new transformation */
-      pango_cairo_update_layout (cr, layout);
-      pango_layout_get_size (layout, &width, &height);
-      cairo_move_to (cr, - ((double)width / PANGO_SCALE) / 2, - RADIUS);
-      pango_cairo_show_layout (cr, layout);
-      cairo_restore (cr);
-    }
+  for (i = 0; i < N_WORDS; i++) {
+    int width, height;
+    double angle = (360. * i) / N_WORDS;
+    double red;
+    cairo_save(cr);
+    /* Gradient from red at angle == 60 to blue at angle == 240 */
+    red = (1 + cos((angle - 60) * G_PI / 180.)) / 2;
+    cairo_set_source_rgb(cr, red, 0, 1.0 - red);
+    cairo_rotate(cr, angle * G_PI / 180.);
+    /* Inform Pango to re-layout the text with the new transformation */
+    pango_cairo_update_layout(cr, layout);
+    pango_layout_get_size(layout, &width, &height);
+    cairo_move_to(cr, -((double)width / PANGO_SCALE) / 2, -RADIUS);
+    pango_cairo_show_layout(cr, layout);
+    cairo_restore(cr);
+  }
   /* free the layout object */
-  g_object_unref (layout);
+  g_object_unref(layout);
 }
-int main (int argc, char **argv)
+int main(int argc, char** argv)
 {
-  cairo_t *cr;
-  char *filename;
+  cairo_t* cr;
+  char* filename;
   cairo_status_t status;
-  cairo_surface_t *surface;
-  if (argc != 2)
-    {
-      g_printerr ("Usage: cairosimple OUTPUT_FILENAME\n");
-      return 1;
-    }
+  cairo_surface_t* surface;
+  if (argc != 2) {
+    g_printerr("Usage: cairosimple OUTPUT_FILENAME\n");
+    return 1;
+  }
   filename = argv[1];
-  surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
-                    2 * RADIUS, 2 * RADIUS);
-  cr = cairo_create (surface);
-  cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
-  cairo_paint (cr);
-  draw_text (cr);
-  cairo_destroy (cr);
-  status = cairo_surface_write_to_png (surface, filename);
-  cairo_surface_destroy (surface);
-  if (status != CAIRO_STATUS_SUCCESS)
-    {
-      g_printerr ("Could not save png to '%s'\n", filename);
-      return 1;
-    }
+  surface =
+    cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 2 * RADIUS, 2 * RADIUS);
+  cr = cairo_create(surface);
+  cairo_set_source_rgb(cr, 1.0, 1.0, 1.0);
+  cairo_paint(cr);
+  draw_text(cr);
+  cairo_destroy(cr);
+  status = cairo_surface_write_to_png(surface, filename);
+  cairo_surface_destroy(surface);
+  if (status != CAIRO_STATUS_SUCCESS) {
+    g_printerr("Could not save png to '%s'\n", filename);
+    return 1;
+  }
   return 0;
 }
diff --git a/Tests/FindGTK2/pangoft2/main.c b/Tests/FindGTK2/pangoft2/main.c
index cf3459e..317f7ec 100644
--- a/Tests/FindGTK2/pangoft2/main.c
+++ b/Tests/FindGTK2/pangoft2/main.c
@@ -1,8 +1,8 @@
 #include <pango/pangoft2.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    PangoFontMap* pfm = pango_ft2_font_map_new();
-    g_object_unref(pfm);
-    return 0;
+  PangoFontMap* pfm = pango_ft2_font_map_new();
+  g_object_unref(pfm);
+  return 0;
 }
diff --git a/Tests/FindGTK2/pangomm/main.cpp b/Tests/FindGTK2/pangomm/main.cpp
index 32ec914..47bf490 100644
--- a/Tests/FindGTK2/pangomm/main.cpp
+++ b/Tests/FindGTK2/pangomm/main.cpp
@@ -1,8 +1,8 @@
 #include <pangomm.h>
 #include <pangomm/init.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    Pango::init();
-    return 0;
+  Pango::init();
+  return 0;
 }
diff --git a/Tests/FindGTK2/pangoxft/main.c b/Tests/FindGTK2/pangoxft/main.c
index cb04f61..181ba27 100644
--- a/Tests/FindGTK2/pangoxft/main.c
+++ b/Tests/FindGTK2/pangoxft/main.c
@@ -1,7 +1,7 @@
 #include <pango/pangoxft.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    pango_xft_get_context(NULL, 0);
-    return 0;
+  pango_xft_get_context(NULL, 0);
+  return 0;
 }
diff --git a/Tests/FindGTK2/sigc++/main.cpp b/Tests/FindGTK2/sigc++/main.cpp
index ccf415e..e56b910 100644
--- a/Tests/FindGTK2/sigc++/main.cpp
+++ b/Tests/FindGTK2/sigc++/main.cpp
@@ -6,24 +6,24 @@
 class AlienDetector
 {
 public:
-    AlienDetector() {}
+  AlienDetector() {}
 
-    void run() {}
+  void run() {}
 
-    sigc::signal<void> signal_detected;
+  sigc::signal<void> signal_detected;
 };
 
 void warn_people()
 {
-    std::cout << "There are aliens in the carpark!" << std::endl;
+  std::cout << "There are aliens in the carpark!" << std::endl;
 }
 
 int main()
 {
-    AlienDetector mydetector;
-    mydetector.signal_detected.connect( sigc::ptr_fun(warn_people) );
+  AlienDetector mydetector;
+  mydetector.signal_detected.connect(sigc::ptr_fun(warn_people));
 
-    mydetector.run();
+  mydetector.run();
 
-    return 0;
+  return 0;
 }