[gtkmm-documentation] Code-style changes.

[Murray Cumming <murrayc src gnome org>]

commit 3815b8077c8cc00f7e1d979561d8ba97b670cf9e
Author: Murray Cumming <murrayc murrayc com>
Date:   Tue Feb 22 11:54:34 2011 +0100

    Code-style changes.
    
    * examples/book/grid/examplewindow.[h|cc]: Slight style changes, for
    consistency with the other examples.

 ChangeLog                           |    7 +++++++
 examples/book/grid/examplewindow.cc |   22 +++++++++++-----------
 examples/book/grid/examplewindow.h  |    7 +++----
 3 files changed, 21 insertions(+), 15 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index d91bab6..bb95ccc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2011-02-22  Murray Cumming  <murrayc murrayc com>
+
+	Code-style changes.
+
+	* examples/book/grid/examplewindow.[h|cc]: Slight style changes, for 
+	consistency with the other examples.
+
 2011-02-22  David King  <davidk openismus com>
 
 	Add Gtk::Tooltip example to the tutorial
diff --git a/examples/book/grid/examplewindow.cc b/examples/book/grid/examplewindow.cc
index 8b0c8a8..068dd83 100644
--- a/examples/book/grid/examplewindow.cc
+++ b/examples/book/grid/examplewindow.cc
@@ -19,27 +19,27 @@
 #include "examplewindow.h"
 
 ExampleWindow::ExampleWindow()
-: button_1_("button 1"),
-  button_2_("button 2"),
-  button_quit_("Quit")
+: m_button_1("button 1"),
+  m_button_2("button 2"),
+  m_button_quit("Quit")
 {
   set_title("Gtk::Grid");
   set_border_width(12);
 
-  add(grid_);
+  add(m_grid);
 
-  grid_.add(button_1_);
-  grid_.add(button_2_);
-  grid_.attach_next_to(button_quit_, button_1_, Gtk::POS_BOTTOM, 2, 1);
+  m_grid.add(m_button_1);
+  m_grid.add(m_button_2);
+  m_grid.attach_next_to(m_button_quit, m_button_1, Gtk::POS_BOTTOM, 2, 1);
 
-  button_1_.signal_clicked().connect(
+  m_button_1.signal_clicked().connect(
     sigc::bind<Glib::ustring>( sigc::mem_fun(*this,
       &ExampleWindow::on_button_numbered), "button 1") );
-  button_2_.signal_clicked().connect(
+  m_button_2.signal_clicked().connect(
     sigc::bind<Glib::ustring>( sigc::mem_fun(*this,
       &ExampleWindow::on_button_numbered), "button 2") );
 
-  button_quit_.signal_clicked().connect(sigc::mem_fun(*this,
+  m_button_quit.signal_clicked().connect(sigc::mem_fun(*this,
     &ExampleWindow::on_button_quit) );
 
   show_all_children();
@@ -55,7 +55,7 @@ void ExampleWindow::on_button_quit()
 }
 
 void
-ExampleWindow::on_button_numbered(Glib::ustring data)
+ExampleWindow::on_button_numbered(const Glib::ustring& data)
 {
   std::cout << data << " was pressed" << std::endl;
 }
diff --git a/examples/book/grid/examplewindow.h b/examples/book/grid/examplewindow.h
index b96e1ca..6aa4169 100644
--- a/examples/book/grid/examplewindow.h
+++ b/examples/book/grid/examplewindow.h
@@ -29,12 +29,11 @@ public:
 private:
   // Signal handlers:
   void on_button_quit();
-  void on_button_numbered(Glib::ustring data);
+  void on_button_numbered(const Glib::ustring& data);
 
   // Child widgets:
-  Gtk::Grid grid_;
-  Gtk::Button button_1_, button_2_, button_quit_;
-
+  Gtk::Grid m_grid;
+  Gtk::Button m_button_1, m_button_2, m_button_quit;
 };
 
 #endif /* GTKMM_EXAMPLEWINDOW_H */