[gtkmm-documentation] Fix 'make check' after Gtk::Alignment has been deprecated

[Kjell Ahlstedt <kjellahl src gnome org>]

commit a7af10a73d5ba8456c7de0107f33a8d20911f342
Author: Kjell Ahlstedt <kjell ahlstedt bredband net>
Date:   Sun Jun 1 18:59:34 2014 +0200

    Fix 'make check' after Gtk::Alignment has been deprecated
    
    * examples/book/alignment/examplewindow.[h|cc]:
    * examples/book/placessidebar/examplewindow.[h|cc]:
    * examples/book/progressbar/examplewindow.[h|cc]: Use set_halign(),
    set_margin_start() etc. instead of Alignment.

 examples/book/alignment/examplewindow.cc     |   11 +++++------
 examples/book/alignment/examplewindow.h      |    1 -
 examples/book/placessidebar/examplewindow.cc |    6 +++---
 examples/book/placessidebar/examplewindow.h  |    1 -
 examples/book/progressbar/examplewindow.cc   |    6 +++---
 examples/book/progressbar/examplewindow.h    |    1 -
 6 files changed, 11 insertions(+), 15 deletions(-)
---
diff --git a/examples/book/alignment/examplewindow.cc b/examples/book/alignment/examplewindow.cc
index b2f6654..2eee464 100644
--- a/examples/book/alignment/examplewindow.cc
+++ b/examples/book/alignment/examplewindow.cc
@@ -19,16 +19,15 @@
 #include "examplewindow.h"
 
 ExampleWindow::ExampleWindow()
-: m_Alignment(Gtk::ALIGN_END, Gtk::ALIGN_CENTER, 0.0, 0.0),
-  m_Button("Close")
+: m_Button("_Close", /* mnemonic= */ true)
 {
-  set_title("Gtk::Alignement");
+  set_title("Alignment");
   set_border_width(10);
   set_default_size(200, 50);
 
-  add(m_Alignment);
-
-  m_Alignment.add(m_Button);
+  m_Button.set_halign(Gtk::ALIGN_END);
+  m_Button.set_valign(Gtk::ALIGN_CENTER);
+  add(m_Button);
 
   m_Button.signal_clicked().connect( sigc::mem_fun(*this,
               &ExampleWindow::on_button_clicked) );
diff --git a/examples/book/alignment/examplewindow.h b/examples/book/alignment/examplewindow.h
index b84337e..d0e63e3 100644
--- a/examples/book/alignment/examplewindow.h
+++ b/examples/book/alignment/examplewindow.h
@@ -32,7 +32,6 @@ protected:
   void on_button_clicked();
 
   //Child widgets:
-  Gtk::Alignment m_Alignment;
   Gtk::Button m_Button;
 };
 
diff --git a/examples/book/placessidebar/examplewindow.cc b/examples/book/placessidebar/examplewindow.cc
index a895274..f5aa076 100644
--- a/examples/book/placessidebar/examplewindow.cc
+++ b/examples/book/placessidebar/examplewindow.cc
@@ -31,7 +31,8 @@ ExampleWindow::ExampleWindow()
   m_controls_frame.set_shadow_type(Gtk::SHADOW_NONE);
   m_frame_label.set_markup("<b>Options</b>");
   m_controls_frame.set_label_widget(m_frame_label);
-  m_alignment.set_padding(6, 0, 12, 0);
+  m_controls.set_margin_top(6);
+  m_controls.set_margin_start(12);
 
   m_show_desktop_check.signal_toggled().connect(sigc::mem_fun(*this, 
&ExampleWindow::on_show_desktop_toggled));
   m_show_desktop_check.set_active();
@@ -59,8 +60,7 @@ ExampleWindow::ExampleWindow()
   }
 
   // Layout
-  m_controls_frame.add(m_alignment);
-  m_alignment.add(m_controls);
+  m_controls_frame.add(m_controls);
   m_hbox.pack_start(m_places_sidebar, Gtk::PACK_EXPAND_WIDGET);
   m_hbox.pack_start(m_controls_frame, Gtk::PACK_SHRINK);
   add(m_hbox);
diff --git a/examples/book/placessidebar/examplewindow.h b/examples/book/placessidebar/examplewindow.h
index 8173d2d..58c0dfc 100644
--- a/examples/book/placessidebar/examplewindow.h
+++ b/examples/book/placessidebar/examplewindow.h
@@ -42,7 +42,6 @@ protected:
   Gtk::Grid m_controls;
   Gtk::Frame m_controls_frame;
   Gtk::Label m_frame_label;
-  Gtk::Alignment m_alignment;
 
   // Widgets
   Gtk::PlacesSidebar m_places_sidebar;
diff --git a/examples/book/progressbar/examplewindow.cc b/examples/book/progressbar/examplewindow.cc
index fce1d4b..f77883f 100644
--- a/examples/book/progressbar/examplewindow.cc
+++ b/examples/book/progressbar/examplewindow.cc
@@ -21,7 +21,6 @@
 
 ExampleWindow::ExampleWindow()
 : m_VBox(Gtk::ORIENTATION_VERTICAL, 5),
-  m_Alignment(0.5, 0.5, 0, 0),
   m_CheckButton_Text("Show text"),
   m_CheckButton_Activity("Activity mode"),
   m_CheckButton_Inverted("Right to Left"),
@@ -34,8 +33,9 @@ ExampleWindow::ExampleWindow()
   m_VBox.set_border_width(10);
   add(m_VBox);
 
-  m_VBox.pack_start(m_Alignment, Gtk::PACK_SHRINK, 5);
-  m_Alignment.add(m_ProgressBar);
+  m_VBox.pack_start(m_ProgressBar, Gtk::PACK_SHRINK, 5);
+  m_ProgressBar.set_halign(Gtk::ALIGN_CENTER);
+  m_ProgressBar.set_valign(Gtk::ALIGN_CENTER);
   m_ProgressBar.set_text("some text");
   m_ProgressBar.set_show_text(false);
 
diff --git a/examples/book/progressbar/examplewindow.h b/examples/book/progressbar/examplewindow.h
index 649ff88..d20c0c2 100644
--- a/examples/book/progressbar/examplewindow.h
+++ b/examples/book/progressbar/examplewindow.h
@@ -37,7 +37,6 @@ protected:
 
   //Child widgets:
   Gtk::Box m_VBox;
-  Gtk::Alignment m_Alignment;
   Gtk::Grid m_Grid;
   Gtk::ProgressBar m_ProgressBar;
   Gtk::Separator m_Separator;