[gtkmm] Remove trailing whitespace.



commit ba2b373cf140a4220b411097f8a85143fa481418
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon May 16 15:24:46 2016 +0200

    Remove trailing whitespace.

 MSVC_Net2013/gendef/gendef.cc             |   14 ++++----
 demos/gtk-demo/demowindow.cc              |   10 +++---
 demos/gtk-demo/example_change_display.cc  |    2 +-
 demos/gtk-demo/example_iconbrowser.cc     |    2 +-
 demos/gtk-demo/example_iconview.cc        |   46 ++++++++++++++--------------
 demos/gtk-demo/example_images.cc          |    2 +-
 demos/gtk-demo/textwidget.cc              |   10 +++---
 gdk/src/device.hg                         |   10 +++---
 gdk/src/pixbuf.hg                         |    4 +-
 gdk/src/rectangle.hg                      |    2 +-
 gdk/src/screen.hg                         |    2 +-
 gdk/src/window.hg                         |    4 +-
 gtk/gtkmm/accelkey.cc                     |    2 +-
 gtk/gtkmm/accelkey.h                      |   14 ++++----
 gtk/gtkmm/accelmap.cc                     |    8 ++--
 gtk/gtkmm/accelmap.h                      |   12 ++++----
 gtk/gtkmm/listviewtext.cc                 |    8 ++--
 gtk/gtkmm/listviewtext.h                  |    4 +-
 gtk/gtkmm/radiobuttongroup.h              |    2 +-
 gtk/gtkmm/stock.h                         |    4 +-
 gtk/gtkmm/stockid.h                       |    6 ++--
 gtk/gtkmm/targetentry.cc                  |    2 +-
 gtk/gtkmm/treemodelcolumn.h               |    2 +-
 gtk/gtkmm/treeview_private.cc             |    2 +-
 gtk/src/actiongroup.hg                    |    4 +-
 gtk/src/application.hg                    |   16 +++++-----
 gtk/src/arrow.hg                          |    2 +-
 gtk/src/builder.hg                        |    6 ++--
 gtk/src/button.ccg                        |    2 +-
 gtk/src/calendar.hg                       |    2 +-
 gtk/src/combobox.ccg                      |    2 +-
 gtk/src/combobox.hg                       |    2 +-
 gtk/src/filechooserbutton.ccg             |    2 +-
 gtk/src/headerbar.hg                      |    2 +-
 gtk/src/iconinfo.hg                       |    4 +-
 gtk/src/iconview.hg                       |    2 +-
 gtk/src/listbox.hg                        |    6 ++--
 gtk/src/listboxrow.hg                     |    6 ++--
 gtk/src/main.hg                           |    2 +-
 gtk/src/menubutton.ccg                    |    2 +-
 gtk/src/menubutton.hg                     |    2 +-
 gtk/src/placessidebar.hg                  |    2 +-
 gtk/src/radiotoolbutton.hg                |    2 +-
 gtk/src/searchbar.hg                      |    2 +-
 gtk/src/widget.hg                         |    6 ++--
 gtk/src/window.ccg                        |    2 +-
 tests/child_widget_managed/main.cc        |    2 +-
 tests/delete_cpp_child/main.cc            |    8 ++--
 tests/dialog/main.cc                      |    8 ++--
 tests/dialog_deletethis/main.cc           |    2 +-
 tests/main_with_options/main.cc           |   28 +++++++++---------
 tests/menu_destruction/main.cc            |   10 +++---
 tests/scrolledwindow/main.cc              |    6 ++--
 tests/wrap_existing/main.cc               |    2 +-
 tools/extra_defs_gen/generate_defs_gtk.cc |    2 +-
 tools/m4/class_gtkobject.m4               |    2 +-
 56 files changed, 161 insertions(+), 161 deletions(-)
---
diff --git a/MSVC_Net2013/gendef/gendef.cc b/MSVC_Net2013/gendef/gendef.cc
index f5719fd..0b02fa3 100644
--- a/MSVC_Net2013/gendef/gendef.cc
+++ b/MSVC_Net2013/gendef/gendef.cc
@@ -22,7 +22,7 @@
 
 /* Modified by Cedric Gustin <cedric gustin gmail com> on 2006/01/13 :
  * Redirect the output of dumpbin to dumpbin.out instead of reading the
- * output stream of popen, as it fails with Visual Studio 2005 in 
+ * output stream of popen, as it fails with Visual Studio 2005 in
  * pre-link build events.
  */
 
@@ -48,8 +48,8 @@ int main(int argc,char** argv)
          dumpbin += argv[i++];
   }
 
-  FILE * dump; 
-  
+  FILE * dump;
+
   if( (dump = _popen(dumpbin.c_str(),"r")) == NULL ) {
          cerr << "could not popen dumpbin" << endl;
          return 3;
@@ -66,8 +66,8 @@ int main(int argc,char** argv)
 
   i=0;
   while( !feof(dump)) {
-         char buf [65000]; 
-         
+         char buf [65000];
+
          if( fgets( buf, 64999, dump ) != NULL ) {
                  if(!strstr(buf," UNDEF ") && strstr(buf," External ")) {
                          char *s = strchr(buf,'|') + 1;
@@ -75,9 +75,9 @@ int main(int argc,char** argv)
                          char *e=s;
                          while(*e != ' ' && *e != '\t' && *e != '\0' && *e!= '\n') e++;
                          *e = '\0';
-                       
+
                        if(strchr(s,'?')==0 && s[0]=='_' && strchr(s,'@') == 0 )//this is a C export type: 
_fct -> fct
-                                 def_file << "    " << (s+1) << endl;                  
+                                 def_file << "    " << (s+1) << endl;
                        else
                        if(strchr(s,'?')!=0 && strncmp(s,"??_G",4)!=0 && strncmp(s,"??_E",4)!=0) {
                                  def_file << "    " << s << endl;
diff --git a/demos/gtk-demo/demowindow.cc b/demos/gtk-demo/demowindow.cc
index 4da2ecf..26e7e23 100644
--- a/demos/gtk-demo/demowindow.cc
+++ b/demos/gtk-demo/demowindow.cc
@@ -297,11 +297,11 @@ void DemoWindow::load_file(const std::string& filename)
              refBufferInfo->apply_tag_by_name("title", start, end);
 
              start = end;
-       
+
              state++;
            }
            break;
-       
+
        case 1:
          /* Reading body of info section */
          while (isspace (*p))
@@ -315,14 +315,14 @@ void DemoWindow::load_file(const std::string& filename)
          else
            {
              int len;
-               
+
              while (*p == '*' || isspace (*p))
                      p++;
 
              len = strlen (p);
              while (isspace (*(p + len - 1)))
                     len--;
-               
+
              if (len > 0)
                 {
                   if (in_para)
@@ -354,7 +354,7 @@ void DemoWindow::load_file(const std::string& filename)
           }
          else
            break;
-               
+
        case 3:
          /* Reading program body */
          start = refBufferSource->insert(start, p);
diff --git a/demos/gtk-demo/example_change_display.cc b/demos/gtk-demo/example_change_display.cc
index 443203a..8f90b9a 100644
--- a/demos/gtk-demo/example_change_display.cc
+++ b/demos/gtk-demo/example_change_display.cc
@@ -2,7 +2,7 @@
  *
  * Demonstrates migrating a window between different displays.
  * A display is a mouse and keyboard with some number of
- * associated monitors. The neat thing about having multiple 
+ * associated monitors. The neat thing about having multiple
  * displays is that they can be on completely separate
  * computers, as long as there is a network connection to the
  * computer where the application is running.
diff --git a/demos/gtk-demo/example_iconbrowser.cc b/demos/gtk-demo/example_iconbrowser.cc
index 8f46b2e..89383e5 100644
--- a/demos/gtk-demo/example_iconbrowser.cc
+++ b/demos/gtk-demo/example_iconbrowser.cc
@@ -160,7 +160,7 @@ protected:
 
   // Dialog box, showing icon details:
   DetailDialog m_details;
-  
+
   Glib::RefPtr<Glib::Binding> m_binding_search_button_search_entry;
   Glib::ustring m_current_context_id;
   Glib::RefPtr<Gtk::TreeModelFilter> m_filter_model;
diff --git a/demos/gtk-demo/example_iconview.cc b/demos/gtk-demo/example_iconview.cc
index bcb9050..3023377 100644
--- a/demos/gtk-demo/example_iconview.cc
+++ b/demos/gtk-demo/example_iconview.cc
@@ -23,9 +23,9 @@ protected:
   virtual void on_button_up();
   virtual void on_button_home();
   virtual void on_iconview_item_activated(const Gtk::TreeModel::Path& path);
-  
+
   virtual int on_model_sort(const Gtk::TreeModel::iterator& a, const Gtk::TreeModel::iterator& b);
-  
+
   class ModelColumns : public Gtk::TreeModelColumnRecord
   {
   public:
@@ -39,10 +39,10 @@ protected:
   };
 
   const ModelColumns m_columns;
-  
+
   Glib::RefPtr<Gtk::ListStore> m_model;
   Glib::RefPtr<Gdk::Pixbuf> m_refPixbufFile, m_refPixbufFolder;
-  
+
   std::string m_parent;
 
   //Member widgets:
@@ -69,7 +69,7 @@ Example_IconView::Example_IconView()
 
   set_title("Icon View");
   set_default_size(650, 400);
-  
+
   try
   {
     m_refPixbufFile = Gdk::Pixbuf::create_from_resource("/iconview/gnome-fs-regular.png");
@@ -79,9 +79,9 @@ Example_IconView::Example_IconView()
   {
     std::cout << error.what() << std::endl;
   }
-  
+
   m_VBox.pack_start(m_Toolbar, Gtk::PACK_SHRINK);
-  
+
   m_ButtonUp.set_is_important();
   m_ButtonUp.set_sensitive();
   m_Toolbar.append(m_ButtonUp);
@@ -89,40 +89,40 @@ Example_IconView::Example_IconView()
   m_ButtonHome.set_is_important();
   m_ButtonHome.set_sensitive();
   m_Toolbar.append(m_ButtonHome);
-    
+
   m_ScrolledWindow.set_shadow_type(Gtk::SHADOW_ETCHED_IN);
   m_ScrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
-  
+
   m_VBox.pack_start(m_ScrolledWindow, Gtk::PACK_EXPAND_WIDGET);
- 
+
   //Create the data model:
   m_model = Gtk::ListStore::create(m_columns);
   m_model->set_default_sort_func( sigc::mem_fun(*this, &Example_IconView::on_model_sort) );
   m_model->set_sort_column(Gtk::TreeSortable::DEFAULT_SORT_COLUMN_ID, Gtk::SORT_ASCENDING);
-  
+
   /* and fill it with the contents of '/' */
   m_parent = "/";
   fill_store();
-  
+
   m_IconView.set_model(m_model);
   m_IconView.set_selection_mode(Gtk::SELECTION_MULTIPLE);
-  
+
   //Connect signals:
   m_ButtonUp.signal_clicked().connect( sigc::mem_fun(*this, &Example_IconView::on_button_up) );
   m_ButtonHome.signal_clicked().connect( sigc::mem_fun(*this, &Example_IconView::on_button_home) );
-  
+
   /* We now set which model columns that correspont to the text
    * and pixbuf of each item
    */
   m_IconView.set_text_column(m_columns.display_name);
   m_IconView.set_pixbuf_column(m_columns.pixbuf);
-   
+
   m_IconView.signal_item_activated().connect( sigc::mem_fun(*this, 
&Example_IconView::on_iconview_item_activated) );
 
   m_ScrolledWindow.add(m_IconView);
-   
+
   m_IconView.grab_focus();
-  
+
   add(m_VBox);
 
   show_all();
@@ -136,10 +136,10 @@ int Example_IconView::on_model_sort(const Gtk::TreeModel::iterator& a, const Gtk
 
   Gtk::TreeModel::Row row_a = *a;
   Gtk::TreeModel::Row row_b = *b;
-  
+
   const bool a_is_dir = row_a[m_columns.is_directory];
   const bool b_is_dir = row_b[m_columns.is_directory];
-    
+
   if(!a_is_dir && b_is_dir)
     return 1;
   else if (a_is_dir && !b_is_dir)
@@ -151,7 +151,7 @@ int Example_IconView::on_model_sort(const Gtk::TreeModel::iterator& a, const Gtk
   }
 }
 
-   
+
 Example_IconView::~Example_IconView()
 {
 }
@@ -185,7 +185,7 @@ void Example_IconView::fill_store()
   try
   {
     Glib::Dir dir(m_parent); //throws an exception if it fails.
-  
+
     std::string name = dir.read_name();
     while(!name.empty())
     {
@@ -204,7 +204,7 @@ void Example_IconView::fill_store()
         row[m_columns.is_directory] = is_dir;
         row[m_columns.pixbuf] = (is_dir ? m_refPixbufFolder : m_refPixbufFile);
       }
-    
+
       name = dir.read_name();
     }
   }
@@ -227,7 +227,7 @@ void Example_IconView::on_iconview_item_activated(const Gtk::TreeModel::Path& pa
     {
       m_parent = filepath;
       fill_store();
-     
+
        /* Sensitize the up button */
       m_ButtonUp.set_sensitive();
     }
diff --git a/demos/gtk-demo/example_images.cc b/demos/gtk-demo/example_images.cc
index 5742bb5..53fe4c5 100644
--- a/demos/gtk-demo/example_images.cc
+++ b/demos/gtk-demo/example_images.cc
@@ -140,7 +140,7 @@ bool Example_Images::on_timeout()
     }
     catch(const Glib::Error& error)
     {
-     
+
       Glib::ustring strMsg = "Failure reading image 'alphatest.png': ";
       strMsg += error.what();
 
diff --git a/demos/gtk-demo/textwidget.cc b/demos/gtk-demo/textwidget.cc
index cf80cb5..68a207a 100644
--- a/demos/gtk-demo/textwidget.cc
+++ b/demos/gtk-demo/textwidget.cc
@@ -20,7 +20,7 @@
 #include <cstring>
 #include "textwidget.h"
 #include "pangomm/fontdescription.h"
-  
+
 using std::strstr;
 using std::strncmp;
 using std::strlen;
@@ -203,7 +203,7 @@ parse_chars (constpch text,
       *state = STATE_NORMAL;
       *tag = "comment";
     }
-    
+
     return;
   }
 
@@ -242,7 +242,7 @@ parse_chars (constpch text,
       return;
     }
   }
-  
+
   /* check for types */
   for (i = 0; types[i] != nullptr; i++)
     if (!strncmp (text, types[i], strlen (types[i])))
@@ -268,7 +268,7 @@ parse_chars (constpch text,
 
     *end_ptr = text + 1;
     *tag = "string";
-      
+
     while (**end_ptr != '\000')
     {
       if (**end_ptr == '\"' && !maybe_escape)
@@ -276,7 +276,7 @@ parse_chars (constpch text,
         *end_ptr += 1;
         return;
       }
-      
+
       if (**end_ptr == '\\')
         maybe_escape = true;
       else
diff --git a/gdk/src/device.hg b/gdk/src/device.hg
index ef64dd8..b4e000f 100644
--- a/gdk/src/device.hg
+++ b/gdk/src/device.hg
@@ -155,7 +155,7 @@ _DEPRECATE_IFDEF_END
    * @newin{3,10}
    */
   void get_position(double& x, double& y) const;
-  
+
    /** Gets the current location of the device in double precision.
    * As a slave device coordinates are those of its master pointer,
    * this function may not be called on devices of type GDK_DEVICE_TYPE_SLAVE,
@@ -180,11 +180,11 @@ _DEPRECATE_IFDEF_END
 
   /** Obtains the window underneath the device.
    * Returns an empty RefPtr if the window tree under the device is not known to GDK (for example, belongs 
to another application).
-   * 
+   *
    * As a slave device coordinates are those of its master pointer, This
    * function may not be called on devices of type Gdk::DEVICE_TYPE_SLAVE,
    * unless there is an ongoing grab on them. See grab().
-   * 
+   *
    * @newin{3,0}
    *
    * @return The Gdk::Window under the device position.
@@ -193,11 +193,11 @@ _DEPRECATE_IFDEF_END
 
   /** Obtains the window underneath the device.
    * Returns an empty RefPtr if the window tree under the device is not known to GDK (for example, belongs 
to another application).
-   * 
+   *
    * As a slave device coordinates are those of its master pointer, This
    * function may not be called on devices of type Gdk::DEVICE_TYPE_SLAVE,
    * unless there is an ongoing grab on them. See grab().
-   * 
+   *
    * @newin{3,0}
    *
    * @return The Gdk::Window under the device position.
diff --git a/gdk/src/pixbuf.hg b/gdk/src/pixbuf.hg
index cb858a3..0cbf5a4 100644
--- a/gdk/src/pixbuf.hg
+++ b/gdk/src/pixbuf.hg
@@ -103,7 +103,7 @@ protected:
    * individual pixels from cairo surfaces. For Gdk::Windows, use the
    * constructor that takes a Gdk::Window instead.
    *
-   * This will create an RGB pixbuf with 8 bits per channel. The pixbuf will contain an alpha channel if the 
surface contains one. 
+   * This will create an RGB pixbuf with 8 bits per channel. The pixbuf will contain an alpha channel if the 
surface contains one.
    *
    * @param src Surface to copy from.
    * @param src_x Source X coordinate within the surface.
@@ -161,7 +161,7 @@ public:
    * individual pixels from cairo surfaces. For Gdk::Windows, use the
    * create() method that takes a Gdk::Window instead.
    *
-   * This will create an RGB pixbuf with 8 bits per channel. The pixbuf will contain an alpha channel if the 
surface contains one. 
+   * This will create an RGB pixbuf with 8 bits per channel. The pixbuf will contain an alpha channel if the 
surface contains one.
    *
    * @param src Surface to copy from.
    * @param src_x Source X coordinate within the surface.
diff --git a/gdk/src/rectangle.hg b/gdk/src/rectangle.hg
index d9fdbcd..f77fb0b 100644
--- a/gdk/src/rectangle.hg
+++ b/gdk/src/rectangle.hg
@@ -36,7 +36,7 @@ public:
   /** Creates a new rectangle instance with these dimensions.
    */
   Rectangle(int x, int y, int width, int height);
-  
+
   /**
    * @newin{3,20}
    */
diff --git a/gdk/src/screen.hg b/gdk/src/screen.hg
index 64c66ba..009d16e 100644
--- a/gdk/src/screen.hg
+++ b/gdk/src/screen.hg
@@ -98,7 +98,7 @@ public:
   _WRAP_METHOD(int get_monitor_width_mm(int monitor_num) const, gdk_screen_get_monitor_width_mm)
   _WRAP_METHOD(int get_monitor_height_mm(int monitor_num) const, gdk_screen_get_monitor_height_mm)
   _WRAP_METHOD(Glib::ustring get_monitor_plug_name(int monitor_num) const, gdk_screen_get_monitor_plug_name)
-  
+
   _WRAP_METHOD(int get_monitor_scale_factor(int monitor_num), gdk_screen_get_monitor_scale_factor)
 
   _WRAP_METHOD(static Glib::RefPtr<Screen> get_default(), gdk_screen_get_default, refreturn)
diff --git a/gdk/src/window.hg b/gdk/src/window.hg
index 9ec39d5..46534cf 100644
--- a/gdk/src/window.hg
+++ b/gdk/src/window.hg
@@ -209,7 +209,7 @@ public:
   _WRAP_METHOD(Glib::RefPtr<const Window> get_toplevel() const, gdk_window_get_toplevel, refreturn, 
constversion)
 
   _WRAP_METHOD(Glib::RefPtr<Window> get_device_position(const Glib::RefPtr<const Device>& device, int& x, 
int& y, ModifierType& mask) const, gdk_window_get_device_position, refreturn)
-  
+
     _WRAP_METHOD(Glib::RefPtr<Window> get_device_position(const Glib::RefPtr<const Device>& device, double& 
x, double& y, ModifierType& mask) const, gdk_window_get_device_position_double, refreturn)
 
   _WRAP_METHOD(Glib::RefPtr<Window> get_effective_parent(), gdk_window_get_effective_parent, refreturn)
@@ -266,7 +266,7 @@ public:
   DragProtocol get_drag_protocol(Glib::RefPtr<Window>& target) const;
 
   /** Finds out the DND protocol supported by a window.
-   * 
+   *
    * @newin{3,0}
    *
    * @return The supported DND protocol.
diff --git a/gtk/gtkmm/accelkey.cc b/gtk/gtkmm/accelkey.cc
index ccfb520..f45c4e3 100644
--- a/gtk/gtkmm/accelkey.cc
+++ b/gtk/gtkmm/accelkey.cc
@@ -1,7 +1,7 @@
 // -*- c++ -*-
 /* $Id$ */
 
-/* 
+/*
  *
  * Copyright 1998-2002 The gtkmm Development Team
  *
diff --git a/gtk/gtkmm/accelkey.h b/gtk/gtkmm/accelkey.h
index b9e6c23..0bfa518 100644
--- a/gtk/gtkmm/accelkey.h
+++ b/gtk/gtkmm/accelkey.h
@@ -3,7 +3,7 @@
 #define _GTKMM_ACCELKEY_H
 
 /* menu_elems.h
- * 
+ *
  * Copyright (C) 1998-2002 The gtkmm Development Team
  *
  * This library is free software; you can redistribute it and/or
@@ -34,7 +34,7 @@ namespace Gtk
  *
  * By defining accelerator paths you can allow the user of your application
  * to change accelerators himself. An example of an accelerator might be
- * "<MainWindow>/File/Open". Modified accelerators may be saved 
+ * "<MainWindow>/File/Open". Modified accelerators may be saved
  * @see Gtk::AccelMap
  * @ingroup Menus
  */
@@ -48,16 +48,16 @@ public:
   * @param accel_mods For instance, Gdk::CONTROL_MASK
   * @param accel_path For instance, "<MainWindow>/File/Open"
   */
-  AccelKey(guint accel_key, Gdk::ModifierType accel_mods, 
+  AccelKey(guint accel_key, Gdk::ModifierType accel_mods,
            const Glib::ustring& accel_path = "");
-  
+
   /** AccelKey constructor.
-   * @param accelerator For instance, &quot;&lt;control&gt;q&quot; - Use 
-   *     &lt;control&gt;, &lt;shift&gt;, &lt;alt&gt; and &lt;release&gt;. 
+   * @param accelerator For instance, &quot;&lt;control&gt;q&quot; - Use
+   *     &lt;control&gt;, &lt;shift&gt;, &lt;alt&gt; and &lt;release&gt;.
    *     Use F1, F2, etc, for function keys.
    * @param accel_path For instance, "<MainWindow>/File/Open"
    */
-  AccelKey(const Glib::ustring& accelerator, 
+  AccelKey(const Glib::ustring& accelerator,
            const Glib::ustring& accel_path = Glib::ustring());
 
   AccelKey(const AccelKey& src);
diff --git a/gtk/gtkmm/accelmap.cc b/gtk/gtkmm/accelmap.cc
index 1fca2b7..66b544f 100644
--- a/gtk/gtkmm/accelmap.cc
+++ b/gtk/gtkmm/accelmap.cc
@@ -24,16 +24,16 @@ namespace Gtk
 namespace AccelMap
 {
 
-void add_entry(const std::string& accel_path, 
-               guint accel_key, 
+void add_entry(const std::string& accel_path,
+               guint accel_key,
                Gdk::ModifierType accel_mods)
 {
     gtk_accel_map_add_entry(accel_path.c_str(), accel_key,
                             (GdkModifierType)accel_mods);
 }
 
-bool change_entry(const std::string& accel_path, 
-                  guint accel_key, 
+bool change_entry(const std::string& accel_path,
+                  guint accel_key,
                   Gdk::ModifierType accel_mods,
                   bool replace)
 {
diff --git a/gtk/gtkmm/accelmap.h b/gtk/gtkmm/accelmap.h
index 1074c85..cab6b42 100644
--- a/gtk/gtkmm/accelmap.h
+++ b/gtk/gtkmm/accelmap.h
@@ -53,8 +53,8 @@ namespace AccelMap
  * @param accel_mods the accelerator modifiers
  *
  */
-void add_entry(const std::string& accel_path, 
-               guint accel_key, 
+void add_entry(const std::string& accel_path,
+               guint accel_key,
                Gdk::ModifierType accel_mods);
 
 /** Changes the accel_key and accel_mods currently associated with accel_path.
@@ -69,9 +69,9 @@ void add_entry(const std::string& accel_path,
  * @param accel_mods  the new accelerator modifiers
  * @param replace     true if other accelerators may be deleted upon conflicts
  * @result     true if the accelerator could be changed, false otherwise
- */               
-bool change_entry(const std::string& accel_path, 
-                  guint accel_key, 
+ */
+bool change_entry(const std::string& accel_path,
+                  guint accel_key,
                   Gdk::ModifierType accel_mods,
                   bool replace);
 
@@ -79,7 +79,7 @@ bool change_entry(const std::string& accel_path,
  * accelerator specifications, and propagates them accordingly.
  *
  * @param filename a file containing accelerator specifications
- */                  
+ */
 void load(const std::string& filename);
 
 /** Saves current accelerator specifications (accelerator path, key
diff --git a/gtk/gtkmm/listviewtext.cc b/gtk/gtkmm/listviewtext.cc
index c0a529e..9cd44b6 100644
--- a/gtk/gtkmm/listviewtext.cc
+++ b/gtk/gtkmm/listviewtext.cc
@@ -49,16 +49,16 @@ ListViewText::ListViewText(guint columns_count, bool editable, Gtk::SelectionMod
 : m_model_columns(columns_count)
 {
   char column_title[20];
-  
+
   // Create model
-  m_model = Gtk::ListStore::create(m_model_columns);   
+  m_model = Gtk::ListStore::create(m_model_columns);
   set_model(m_model);
 
   // Append columns
   for(guint i = 0; i < columns_count; ++i)
   {
     //Get text for the number:
-    sprintf(column_title, "%d", i);            
+    sprintf(column_title, "%d", i);
 
     if(editable)
       append_column_editable(column_title, m_model_columns.m_columns[i]);
@@ -128,7 +128,7 @@ Glib::ustring ListViewText::get_text(guint row, guint column) const
 
   g_return_val_if_fail( row < size(), result );
 
-  Gtk::TreeModel::iterator iter = m_model->children()[row];     
+  Gtk::TreeModel::iterator iter = m_model->children()[row];
   iter->get_value(column, result);
 
   return result;
diff --git a/gtk/gtkmm/listviewtext.h b/gtk/gtkmm/listviewtext.h
index 43f00d4..9f29694 100644
--- a/gtk/gtkmm/listviewtext.h
+++ b/gtk/gtkmm/listviewtext.h
@@ -29,7 +29,7 @@ namespace Gtk
 /** A simple listbox which presents some lines of information in columns and lets the user select some of 
them.
  *
  * This is a convenience class, based on Gtk::TreeView, which allows only text values and does not allow 
child items.
- * In most cases you will actually need the functionality offered by a real Gtk::TreeView with your own 
type-safe 
+ * In most cases you will actually need the functionality offered by a real Gtk::TreeView with your own 
type-safe
  * Gtk::TreeModel::ColumnRecord.
  *
  * @ingroup Widgets
@@ -86,7 +86,7 @@ public:
 
   /** Change an existing value of cell of the list.
    * @param row the number of the row in the list.
-   * @param column the number of the column in the row.         
+   * @param column the number of the column in the row.
    * @param value the new contents of that row and column.
    */
   void set_text(guint row, guint column, const Glib::ustring& value);
diff --git a/gtk/gtkmm/radiobuttongroup.h b/gtk/gtkmm/radiobuttongroup.h
index 2c0ed1a..b896a70 100644
--- a/gtk/gtkmm/radiobuttongroup.h
+++ b/gtk/gtkmm/radiobuttongroup.h
@@ -73,7 +73,7 @@ protected:
 
   GSList* group_;
 };
-  
+
 } // namespace Gtk
 
 
diff --git a/gtk/gtkmm/stock.h b/gtk/gtkmm/stock.h
index d1001c7..b2091a3 100644
--- a/gtk/gtkmm/stock.h
+++ b/gtk/gtkmm/stock.h
@@ -290,7 +290,7 @@ extern GTKMM_API const Gtk::BuiltinStockID ZOOM_OUT;         /*!< @image html gt
 
 /** Add a stock item to the list of registered stock items.
  * @param item StockItem to register. If an item already exists with the same
- *             stock ID the old item gets replaced. 
+ *             stock ID the old item gets replaced.
  * @deprecated Use icon names instead of StockItem, StockID and BuiltinStockID.
  */
 void add(const Gtk::StockItem& item);
@@ -320,7 +320,7 @@ bool lookup(const Gtk::StockID& stock_id, Glib::RefPtr<Gtk::IconSet>& iconset);
   *
   * @return <tt>true</tt> if the item was found - <tt>false</tt> otherwise
   * @deprecated Use icon names instead of StockItem, StockID and BuiltinStockID.
-  */  
+  */
 bool lookup(const Gtk::StockID& stock_id, Gtk::IconSize size, Gtk::Image& image);
 
 /** Retrieves a list of all known stock IDs added to an IconFactory or registered with Stock::add().
diff --git a/gtk/gtkmm/stockid.h b/gtk/gtkmm/stockid.h
index 5b1e4c6..990370e 100644
--- a/gtk/gtkmm/stockid.h
+++ b/gtk/gtkmm/stockid.h
@@ -58,7 +58,7 @@ public:
    * @param id string representation of the stock id. Usually something like "gtk-about".
    *
    * If id is 0 an empty StockID will be created.
-   */  
+   */
   explicit StockID(const char* id);
   ~StockID() noexcept;
 
@@ -72,9 +72,9 @@ public:
    */
   StockID& operator=(const StockID& other);
 
-  /** This typedef is just to make it more obvious that 
+  /** This typedef is just to make it more obvious that
    * our operator const void* should be used like operator bool().
-   */ 
+   */
   typedef const void* BoolExpr;
 
   /** Tests whether the StockID is not empty.
diff --git a/gtk/gtkmm/targetentry.cc b/gtk/gtkmm/targetentry.cc
index fa80479..129c789 100644
--- a/gtk/gtkmm/targetentry.cc
+++ b/gtk/gtkmm/targetentry.cc
@@ -56,7 +56,7 @@ TargetEntry::TargetEntry(const TargetEntry& src)
 
 TargetEntry::~TargetEntry() noexcept
 {
-  //See https://bugzilla.gnome.org/show_bug.cgi?id=565665#c10 about the 
+  //See https://bugzilla.gnome.org/show_bug.cgi?id=565665#c10 about the
   //const_cast<>.
   g_free(const_cast<char*>(gobject_.target));
 }
diff --git a/gtk/gtkmm/treemodelcolumn.h b/gtk/gtkmm/treemodelcolumn.h
index b6c9a38..e81fc2d 100644
--- a/gtk/gtkmm/treemodelcolumn.h
+++ b/gtk/gtkmm/treemodelcolumn.h
@@ -79,7 +79,7 @@ public:
    * you're free to pass it around by value.
    */
   void add(TreeModelColumnBase& column);
-  
+
   unsigned int size()  const;
   const GType* types() const;
 
diff --git a/gtk/gtkmm/treeview_private.cc b/gtk/gtkmm/treeview_private.cc
index ab793cb..2840a3d 100644
--- a/gtk/gtkmm/treeview_private.cc
+++ b/gtk/gtkmm/treeview_private.cc
@@ -40,7 +40,7 @@ void SignalProxy_CellData_gtk_callback(GtkTreeViewColumn*, GtkCellRenderer* cell
     if(!cppiter->get_model_gobject())
     {
       g_warning("SignalProxy_CellData_gtk_callback() The cppiter has no model\n");
-      return; 
+      return;
     }
 
     (*the_slot)(Glib::wrap(cell, false), cppiter);
diff --git a/gtk/src/actiongroup.hg b/gtk/src/actiongroup.hg
index 8358f62..6962e81 100644
--- a/gtk/src/actiongroup.hg
+++ b/gtk/src/actiongroup.hg
@@ -55,10 +55,10 @@ public:
   _WRAP_METHOD(void set_sensitive(bool sensitive = true), gtk_action_group_set_sensitive)
   _WRAP_METHOD(bool get_visible() const, gtk_action_group_get_visible)
   _WRAP_METHOD(void set_visible(bool visible = true), gtk_action_group_set_visible)
-  
+
   _WRAP_METHOD(Glib::RefPtr<AccelGroup> get_accel_group(), gtk_action_group_get_accel_group, refreturn)
   _WRAP_METHOD(Glib::RefPtr<const AccelGroup> get_accel_group() const, gtk_action_group_get_accel_group, 
refreturn, constversion)
-    
+
   _WRAP_METHOD(void set_accel_group (const Glib::RefPtr<AccelGroup>& accel_group), 
gtk_action_group_set_accel_group)
 
   _WRAP_METHOD(Glib::RefPtr<Action> get_action(const Glib::ustring& action_name), 
gtk_action_group_get_action, refreturn)
diff --git a/gtk/src/application.hg b/gtk/src/application.hg
index 5926bec..d89d6bc 100644
--- a/gtk/src/application.hg
+++ b/gtk/src/application.hg
@@ -120,7 +120,7 @@ protected:
   explicit Application(const Glib::ustring& application_id = Glib::ustring(), Gio::ApplicationFlags flags = 
Gio::APPLICATION_FLAGS_NONE);
   _IGNORE(gtk_application_new)
   _IGNORE(gtk_application_window_new)
-                                                 
+
 
   //This constructor does not correspond to anything in the C API.
   //We added it so we can choose to always initialize gtkmm as early as possible.
@@ -342,11 +342,11 @@ public:
   _WRAP_METHOD(void set_accels_for_action(const Glib::ustring& detailed_action_name, const 
std::vector<Glib::ustring>& accels), gtk_application_set_accels_for_action)
 
   /** Sets a keyboard accelerator that will trigger the
-   * given action. It will be the primary 
+   * given action. It will be the primary
    * accelerator, which may be displayed in the UI.
    *
    * See unset_accels_for_action().
-   * 
+   *
    * @param detailed_action_name A detailed action name, specifying an action
    * and target to associate accelerators with.
    * @param accel An accelerator in the format understood by gtk_accelerator_parse().
@@ -357,7 +357,7 @@ public:
 
   /** Unsets a keyboard accelerator that will trigger the
    * given action. See set_accels_for_action() and set_accel_for_action().
-   * 
+   *
    * @param detailed_action_name A detailed action name, specifying an action
    * and target to associate accelerators with.
    *
@@ -380,16 +380,16 @@ public:
 
 private:
   /** This is just a way to call Glib::init() (which calls g_type_init()) before
-   * calling application_class_.init(), so that 
+   * calling application_class_.init(), so that
    * gtk_application_get_type() will always succeed.
    * See https://bugzilla.gnome.org/show_bug.cgi?id=639925
    */
   const Glib::Class& custom_class_init();
-  
+
   void on_activate_add_and_show_main_window(Window* window);
   void on_window_hide(Window* window);
-  
-  //We need these to call g_application_run(), 
+
+  //We need these to call g_application_run(),
   //even if we have already called gtk_init().
   int m_argc;
   char** m_argv;
diff --git a/gtk/src/arrow.hg b/gtk/src/arrow.hg
index 0be479d..7ef4643 100644
--- a/gtk/src/arrow.hg
+++ b/gtk/src/arrow.hg
@@ -44,7 +44,7 @@ namespace Gtk
  *
  * @ingroup Widgets
  * @deprecated You should instead use a Gtk::Image with a
- * suitable icon name, such as “pan-down-symbolic“. When replacing 
+ * suitable icon name, such as “pan-down-symbolic“. When replacing
  * Gtk::Arrow by an image, pay attention to the fact that Gtk::Arrow automatically
  * flips between Gtk::ARROW_LEFT and Gtk::ARROW_RIGHT,
  * depending on the text direction. To get the same effect with an image,
diff --git a/gtk/src/builder.hg b/gtk/src/builder.hg
index db042d6..dccbd0e 100644
--- a/gtk/src/builder.hg
+++ b/gtk/src/builder.hg
@@ -413,7 +413,7 @@ public:
 
   /** Add @a widget to the builder object pool so it can be referenced just like any
    * other object built by builder.
-   * 
+   *
    * @newin{3,12}
    *
    * @param name The name of the widget exposed to the builder.
@@ -425,7 +425,7 @@ public:
   // A Builder can contain objects that don't derive from Buildable,
   // for instance if objects have been added with expose_object().
   /** Gets the object named @a name.
-   * 
+   *
    * @newin{2,12}
    *
    * @param name Name of object to get.
@@ -433,7 +433,7 @@ public:
    */
   _WRAP_METHOD(Glib::RefPtr<Glib::Object> get_object(const Glib::ustring& name), gtk_builder_get_object, 
refreturn)
   /** Gets the object named @a name.
-   * 
+   *
    * @newin{3,8}
    *
    * @param name Name of object to get.
diff --git a/gtk/src/button.ccg b/gtk/src/button.ccg
index 462da5d..82fd22e 100644
--- a/gtk/src/button.ccg
+++ b/gtk/src/button.ccg
@@ -55,7 +55,7 @@ void Button::set_image_from_icon_name(const Glib::ustring& icon_name, IconSize s
 // GtkButton:focus-on-click has been removed from gtk+.
 // TODO: At ABI-break, remove it from gtkmm.
 #ifndef GTKMM_DISABLE_DEPRECATED
-Glib::PropertyProxy< bool > Button::property_focus_on_click() 
+Glib::PropertyProxy< bool > Button::property_focus_on_click()
 {
   return Glib::PropertyProxy< bool >(this, "focus-on-click");
 }
diff --git a/gtk/src/calendar.hg b/gtk/src/calendar.hg
index 9af5767..1729286 100644
--- a/gtk/src/calendar.hg
+++ b/gtk/src/calendar.hg
@@ -114,7 +114,7 @@ public:
 
   _WRAP_METHOD(int get_detail_width_chars() const, gtk_calendar_get_detail_width_chars)
   _WRAP_METHOD(int get_detail_height_rows() const, gtk_calendar_get_detail_height_rows)
-  
+
   _WRAP_METHOD(bool get_day_is_marked(guint day) const, gtk_calendar_get_day_is_marked)
 
   _WRAP_SIGNAL(void month_changed(), "month_changed")
diff --git a/gtk/src/combobox.ccg b/gtk/src/combobox.ccg
index ba1fcaa..13e4c05 100644
--- a/gtk/src/combobox.ccg
+++ b/gtk/src/combobox.ccg
@@ -123,7 +123,7 @@ Glib::ustring ComboBox::get_entry_text() const
 // GtkComboBox:focus-on-click has been removed from gtk+.
 // TODO: At ABI-break, remove it from gtkmm.
 #ifndef GTKMM_DISABLE_DEPRECATED
-Glib::PropertyProxy< bool > ComboBox::property_focus_on_click() 
+Glib::PropertyProxy< bool > ComboBox::property_focus_on_click()
 {
   return Glib::PropertyProxy< bool >(this, "focus-on-click");
 }
diff --git a/gtk/src/combobox.hg b/gtk/src/combobox.hg
index df49de4..62cc24c 100644
--- a/gtk/src/combobox.hg
+++ b/gtk/src/combobox.hg
@@ -193,7 +193,7 @@ public:
   /** Changes the active row of the combo box to the one that has an ID equal to
    * @a active_id.
    *
-   * If property_id_column() is unset or if no row has the given ID then the function 
+   * If property_id_column() is unset or if no row has the given ID then the function
    * does nothing and returns false.
    *
    * @param active_id The ID of the row that should be set to active.
diff --git a/gtk/src/filechooserbutton.ccg b/gtk/src/filechooserbutton.ccg
index a5ee9e4..927d007 100644
--- a/gtk/src/filechooserbutton.ccg
+++ b/gtk/src/filechooserbutton.ccg
@@ -30,7 +30,7 @@ FileChooserButton::FileChooserButton(FileChooserAction action)
 // GtkFileChooserButton:focus-on-click has been removed from gtk+.
 // TODO: At ABI-break, remove it from gtkmm.
 #ifndef GTKMM_DISABLE_DEPRECATED
-Glib::PropertyProxy< bool > FileChooserButton::property_focus_on_click() 
+Glib::PropertyProxy< bool > FileChooserButton::property_focus_on_click()
 {
   return Glib::PropertyProxy< bool >(this, "focus-on-click");
 }
diff --git a/gtk/src/headerbar.hg b/gtk/src/headerbar.hg
index be39813..5afba89 100644
--- a/gtk/src/headerbar.hg
+++ b/gtk/src/headerbar.hg
@@ -65,7 +65,7 @@ public:
   _WRAP_METHOD(bool get_show_close_button() const, gtk_header_bar_get_show_close_button)
 
   _WRAP_METHOD(void set_decoration_layout(const Glib::ustring& layout), gtk_header_bar_set_decoration_layout)
-  
+
   /** Unset the decoration layout.
    * See set_decoration_layout().
    */
diff --git a/gtk/src/iconinfo.hg b/gtk/src/iconinfo.hg
index ba56958..753e95d 100644
--- a/gtk/src/iconinfo.hg
+++ b/gtk/src/iconinfo.hg
@@ -116,12 +116,12 @@ _DEPRECATE_IFDEF_END
    * This allows loading symbolic icons that will match the system theme.
    *
    * @param style A StyleContext.
-   * @param was_symbolic Whether the loaded icon was a symbolic one and whether the fg color was applied to 
it. 
+   * @param was_symbolic Whether the loaded icon was a symbolic one and whether the fg color was applied to 
it.
    */
   Glib::RefPtr<Gdk::Pixbuf> load_symbolic(const Glib::RefPtr<StyleContext>& style, bool& was_symbolic);
   _IGNORE(gtk_icon_info_load_symbolic_for_context)
 
-  //TODO: When we can break ABI: Rename these to load_symbolic_async(), or rename load_symbolic(context) to 
load_symbolic_for_context() for consistency.  
+  //TODO: When we can break ABI: Rename these to load_symbolic_async(), or rename load_symbolic(context) to 
load_symbolic_for_context() for consistency.
   /** Asynchronously load, render and scale a symbolic icon previously looked up from the icon theme using 
Gtk::IconTheme::lookup_icon().
    * For more details, see load_symbolic() which is the synchronous version of this call.
    *
diff --git a/gtk/src/iconview.hg b/gtk/src/iconview.hg
index d15e388..dd1589d 100644
--- a/gtk/src/iconview.hg
+++ b/gtk/src/iconview.hg
@@ -145,7 +145,7 @@ public:
 
   bool get_visible_range(TreeModel::Path& start_path, TreeModel::Path& end_path) const;
   _IGNORE(gtk_icon_view_get_visible_range)
-  
+
   _WRAP_METHOD(void set_activate_on_single_click(bool single = true), 
gtk_icon_view_set_activate_on_single_click)
   _WRAP_METHOD(bool get_activate_on_single_click() const, gtk_icon_view_get_activate_on_single_click)
 
diff --git a/gtk/src/listbox.hg b/gtk/src/listbox.hg
index ada6077..3bbcc23 100644
--- a/gtk/src/listbox.hg
+++ b/gtk/src/listbox.hg
@@ -101,7 +101,7 @@ public:
   /** Append a widget to the list. If a sort function is set, the widget will
    * actually be inserted at the calculated position and this function has the
    * same effect of Gtk::Container::add().
-   * 
+   *
    * @newin{3,10}
    *
    * @param child The Gtk::Widget to add.
@@ -117,7 +117,7 @@ public:
   _WRAP_METHOD(void select_row(ListBoxRow& row), gtk_list_box_select_row)
 
   /** Unselects the currently selected row, if any.
-   * 
+   *
    * @newin{3,10}
    */
   void unselect_row();
@@ -125,7 +125,7 @@ public:
   _WRAP_METHOD(void set_placeholder(Widget& placeholder), gtk_list_box_set_placeholder)
 
   /** Removes the placeholder widget, if any.
-   * 
+   *
    * @newin{3,10}
    */
   void unset_placeholder();
diff --git a/gtk/src/listboxrow.hg b/gtk/src/listboxrow.hg
index d745660..f25a19f 100644
--- a/gtk/src/listboxrow.hg
+++ b/gtk/src/listboxrow.hg
@@ -38,7 +38,7 @@ public:
   /** Sets the current header of the ListBoxRow. This is only allowed to be called
    * from a ListBox::SlotUpdateHeader. It will replace any existing
    * header in the row, and be shown in front of the row in the ListBox.
-   * 
+   *
    * @newin{3,10}
    *
    * @param header The header.
@@ -55,7 +55,7 @@ public:
   /** Returns the current header of the ListBoxRow. This can be used
    * in a ListBox::SlotUpdateHeader to see if there is a header
    * set already, and if so to update the state of it.
-   * 
+   *
    * @newin{3,10}
    *
    * @return The current header, or <tt>0</tt> if none.
@@ -65,7 +65,7 @@ public:
   /** Returns the current header of the ListBoxRow. This can be used
    * in a ListBox::SlotUpdateHeader to see if there is a header
    * set already, and if so to update the state of it.
-   * 
+   *
    * @newin{3,10}
    *
    * @return The current header, or <tt>0</tt> if none.
diff --git a/gtk/src/main.hg b/gtk/src/main.hg
index ea39660..5622887 100644
--- a/gtk/src/main.hg
+++ b/gtk/src/main.hg
@@ -204,7 +204,7 @@ _DEPRECATE_IFDEF_END
 
   //TODO: Move these general methods out of Main when we really remove Main,
   //one day when Gtk::Application can really do everything, which should probably
-  //include handling OptionContext properly. murrayc. 
+  //include handling OptionContext properly. murrayc.
 
   //This attempts to provide the same functionality as gtk_get_option_group():
   /** Add a Glib::OptionGroup, for the commandline arguments recognized
diff --git a/gtk/src/menubutton.ccg b/gtk/src/menubutton.ccg
index a490c2f..b308539 100644
--- a/gtk/src/menubutton.ccg
+++ b/gtk/src/menubutton.ccg
@@ -43,7 +43,7 @@ void MenuButton::unset_menu_model()
 }
 
 #ifndef GTKMM_DISABLE_DEPRECATED
-Glib::PropertyProxy< Menu* > MenuButton::property_menu() 
+Glib::PropertyProxy< Menu* > MenuButton::property_menu()
 {
   return property_popup();
 }
diff --git a/gtk/src/menubutton.hg b/gtk/src/menubutton.hg
index da33fdf..6b60342 100644
--- a/gtk/src/menubutton.hg
+++ b/gtk/src/menubutton.hg
@@ -43,7 +43,7 @@ public:
 
   _CTOR_DEFAULT
 
- 
+
   _WRAP_METHOD(void set_menu(Menu& menu), gtk_menu_button_set_popup, deprecated "Use set_popup() instead.")
 
 _DEPRECATE_IFDEF_START
diff --git a/gtk/src/placessidebar.hg b/gtk/src/placessidebar.hg
index 67576f3..e9291e2 100644
--- a/gtk/src/placessidebar.hg
+++ b/gtk/src/placessidebar.hg
@@ -84,7 +84,7 @@ public:
 
   // transfer full
   // get_location returns a new Gio::File; modifiying the returned value does not modify the places sidebar
-  _WRAP_METHOD(Glib::RefPtr<Gio::File> get_location() const, gtk_places_sidebar_get_location) 
+  _WRAP_METHOD(Glib::RefPtr<Gio::File> get_location() const, gtk_places_sidebar_get_location)
 
   _WRAP_METHOD(void set_show_desktop(bool show_desktop = true), gtk_places_sidebar_set_show_desktop)
   _WRAP_METHOD(bool get_show_desktop() const, gtk_places_sidebar_get_show_desktop)
diff --git a/gtk/src/radiotoolbutton.hg b/gtk/src/radiotoolbutton.hg
index 77dcd94..0acdb6f 100644
--- a/gtk/src/radiotoolbutton.hg
+++ b/gtk/src/radiotoolbutton.hg
@@ -103,7 +103,7 @@ public:
 
   /** Adds the radio tool button to @a group, removing it from the group it belonged to before.
    * You can obtain a suitable group from another radio tool button by using get_group().
-   * 
+   *
    * @newin{2,4}
    *
    * @param group An existing radio button group.
diff --git a/gtk/src/searchbar.hg b/gtk/src/searchbar.hg
index aaef373..1e611b9 100644
--- a/gtk/src/searchbar.hg
+++ b/gtk/src/searchbar.hg
@@ -51,7 +51,7 @@ public:
 
   /** Creates a Gtk::SearchBar.
    *
-   * You will need to tell it about which widget is going to be your 
+   * You will need to tell it about which widget is going to be your
    * text entry using Gtk::SearchBar::connect_entry().
    */
   _CTOR_DEFAULT
diff --git a/gtk/src/widget.hg b/gtk/src/widget.hg
index d375453..8cbe256 100644
--- a/gtk/src/widget.hg
+++ b/gtk/src/widget.hg
@@ -170,7 +170,7 @@ public:
   // gtk_widget_reparent() is deprecated, but we want to keep Gtk::Widget::reparent().
   /** Moves a widget from one Gtk::Container to another, handling reference
    * count issues to avoid destroying the widget.
-   * 
+   *
    * @param new_parent A Gtk::Container to move the widget into.
    */
   void reparent(Widget& new_parent);
@@ -292,7 +292,7 @@ public:
   _WRAP_METHOD(void set_allocation(const Allocation& allocation), gtk_widget_set_allocation)
 
   _WRAP_METHOD(void set_clip(const Allocation& clip), gtk_widget_set_clip)
-  
+
   /** Retrieves the widget’s clip area.
    *
    * The clip area is the area in which all of the widget's drawing will
@@ -640,7 +640,7 @@ _DEPRECATE_IFDEF_END
 
   /** Removes a group from the widget.
    * See insert_action_group().
-   * 
+   *
    * @param name The prefix for actions.
    *
    * @newin{3,10}
diff --git a/gtk/src/window.ccg b/gtk/src/window.ccg
index 5f8767e..085a221 100644
--- a/gtk/src/window.ccg
+++ b/gtk/src/window.ccg
@@ -205,7 +205,7 @@ void Window::unset_application()
 
 #ifndef GTKMM_DISABLE_DEPRECATED
 // This works. The base class GtkWidget contains the opacity property.
-Glib::PropertyProxy< double > Window::property_opacity() 
+Glib::PropertyProxy< double > Window::property_opacity()
 {
   return Glib::PropertyProxy< double >(this, "opacity");
 }
diff --git a/tests/child_widget_managed/main.cc b/tests/child_widget_managed/main.cc
index 6994336..04895ce 100644
--- a/tests/child_widget_managed/main.cc
+++ b/tests/child_widget_managed/main.cc
@@ -33,7 +33,7 @@ ExampleWindow::ExampleWindow()
 
     m_button = manage(new MyButton);
     add(*m_button);
-       
+
     show_all_children();
 }
 
diff --git a/tests/delete_cpp_child/main.cc b/tests/delete_cpp_child/main.cc
index c2e0eb1..72ae7fb 100644
--- a/tests/delete_cpp_child/main.cc
+++ b/tests/delete_cpp_child/main.cc
@@ -4,12 +4,12 @@
 #include <gtkmm/window.h>
 #include <gtkmm/main.h>
 
-class AppWindow 
+class AppWindow
     : public Gtk::Window
 {
-public: 
+public:
     AppWindow();
-    
+
 private:
     void on_button_clicked();
 
@@ -26,7 +26,7 @@ AppWindow::AppWindow()
 
     vbox->pack_start(*button, Gtk::PACK_SHRINK);
 
-  
+
     //m_label = manage (new Gtk::Label ("test"));
     m_label = new Gtk::Label("test");
     g_warning("m_label -> ref_count: %d\n", G_OBJECT(m_label->gobj())->ref_count);
diff --git a/tests/dialog/main.cc b/tests/dialog/main.cc
index 2f5b999..9d2e097 100644
--- a/tests/dialog/main.cc
+++ b/tests/dialog/main.cc
@@ -4,12 +4,12 @@
 #include <gtkmm/window.h>
 #include <gtkmm/main.h>
 
-class AppWindow 
+class AppWindow
     : public Gtk::Window
 {
-public: 
+public:
     AppWindow ();
-    
+
 private:
     void on_button_clicked();
 
@@ -26,7 +26,7 @@ AppWindow::AppWindow()
 
     vbox->pack_start(*button, Gtk::PACK_SHRINK);
 
-  
+
     //m_label = manage (new Gtk::Label ("test"));
     m_label = new Gtk::Label ("test");
     g_warning("m_label -> ref_count: %d\n", G_OBJECT(m_label->gobj())->ref_count);
diff --git a/tests/dialog_deletethis/main.cc b/tests/dialog_deletethis/main.cc
index 344ab92..ad0f39c 100644
--- a/tests/dialog_deletethis/main.cc
+++ b/tests/dialog_deletethis/main.cc
@@ -53,4 +53,4 @@ int main (int argc, char **argv)
   return app->run();
 }
 
-  
+
diff --git a/tests/main_with_options/main.cc b/tests/main_with_options/main.cc
index 66e3f11..530466f 100644
--- a/tests/main_with_options/main.cc
+++ b/tests/main_with_options/main.cc
@@ -22,15 +22,15 @@
 
 
 class ExampleOptionGroup : public Glib::OptionGroup
-{ 
+{
 public:
   ExampleOptionGroup();
 
   bool on_pre_parse(Glib::OptionContext& context, Glib::OptionGroup& group) override;
   bool on_post_parse(Glib::OptionContext& context, Glib::OptionGroup& group) override;
   void on_error(Glib::OptionContext& context, Glib::OptionGroup& group) override;
-  
-  //These int instances should live as long as the OptionGroup to which they are added, 
+
+  //These int instances should live as long as the OptionGroup to which they are added,
   //and as long as the OptionContext to which those OptionGroups are added.
   int m_arg_foo;
   std::string m_arg_filename;
@@ -48,24 +48,24 @@ ExampleOptionGroup::ExampleOptionGroup()
   entry1.set_short_name('f');
   entry1.set_description("The Foo");
   add_entry(entry1, m_arg_foo);
-      
+
   Glib::OptionEntry entry2;
   entry2.set_long_name("file");
   entry2.set_short_name('F');
   entry2.set_description("The Filename");
   add_entry_filename(entry2, m_arg_filename);
- 
+
   Glib::OptionEntry entry3;
   entry3.set_long_name("goo");
   entry3.set_short_name('g');
   entry3.set_description("The Goo");
   add_entry(entry3, m_arg_goo);
-  
+
   Glib::OptionEntry entry4;
   entry4.set_long_name("activate_something");
   entry4.set_description("Activate something");
   add_entry(entry4, m_arg_boolean);
-  
+
   Glib::OptionEntry entry5;
   entry5.set_long_name("list");
   entry5.set_short_name('l');
@@ -95,25 +95,25 @@ int main(int argc, char *argv[])
   //This example should be executed like so:
   //./example --foo=1 --bar=2 --goo=abc
   //./example --help
-   
+
   Glib::OptionContext context;
-  
+
   ExampleOptionGroup group;
   context.set_main_group(group);
-  
+
   try
   {
     Glib::RefPtr<Gtk::Application> app =
       Gtk::Application::create(argc, argv);
-  
+
     //Here we can see the parsed values of our custom command-line arguments:
 
     std::cout << "parsed values: " << std::endl <<
-      "  foo = " << group.m_arg_foo << std::endl << 
+      "  foo = " << group.m_arg_foo << std::endl <<
       "  filename = " << group.m_arg_filename << std::endl <<
       "  activate_something = " << (group.m_arg_boolean ? "enabled" : "disabled") << std::endl <<
       "  goo = " << group.m_arg_goo << std::endl;
-    
+
     //This one shows the results of multiple instance of the same option, such as --list=1 --list=a --list=b
     std::cout << "  list = ";
     for(auto str : group.m_arg_list)
@@ -121,7 +121,7 @@ int main(int argc, char *argv[])
       std::cout << str << ", ";
     }
     std::cout << std::endl;
- 
+
 
     //Any standard GTK+ command-line arguments will have an effect on this window:
     //Try --name="bobble" to change the window's title to "bobble", for instance.
diff --git a/tests/menu_destruction/main.cc b/tests/menu_destruction/main.cc
index fb21fcc..4b1df72 100644
--- a/tests/menu_destruction/main.cc
+++ b/tests/menu_destruction/main.cc
@@ -11,7 +11,7 @@ void on_destroyed_menuderived(GtkWidget*, gpointer)
   std::cout << "on_destroyed_menuderived" << std::endl;
 }
 
-//Previously, this derived from a Gtk::ComboBox, 
+//Previously, this derived from a Gtk::ComboBox,
 //and that might have been necessary to trigger the bug at the time,
 //but ComboBox is now deprecated.
 class ComboBoxTextDerived : public Gtk::ComboBoxText
@@ -22,7 +22,7 @@ public:
     g_signal_connect (gobj(), "destroy",
                                G_CALLBACK (on_destroyed_ComboBoxderived), NULL);
   }
-  
+
   ~ComboBoxTextDerived()
   {
     //remove_menu();
@@ -38,11 +38,11 @@ public:
   g_signal_connect (gobj(), "destroy",
                                G_CALLBACK (on_destroyed_menuderived), NULL);
   }
-  
+
   ~MenuDerived()
   {
     std::cout << "~MenuDerived() 1" << std::endl;
- 
+
     std::cout << "~MenuDerived() 2" << std::endl;
 
   }
@@ -57,7 +57,7 @@ public:
     std::cout << "~test_window()1" << std::endl;
 
    }
-  
+
 protected:
 
   //Gtk::MenuItem m_MenuItem;
diff --git a/tests/scrolledwindow/main.cc b/tests/scrolledwindow/main.cc
index ef93f1a..61b16df 100644
--- a/tests/scrolledwindow/main.cc
+++ b/tests/scrolledwindow/main.cc
@@ -38,9 +38,9 @@ public:
     g_signal_connect (G_OBJECT(m_ScrolledWindow.get_child()->gobj()), "destroy", 
G_CALLBACK(on_viewport_destroyed), NULL);
 
    g_signal_connect (G_OBJECT(m_pLabel.gobj()), "destroy", G_CALLBACK(on_gtklabel_destroyed), NULL);
-    
+
   }
- 
+
   virtual ~Instance()
   {
     printf("~Instance() 1\n");
@@ -56,7 +56,7 @@ protected:
 };
 
 int main ( int argc, char *argv[] ) {
-  
+
   Glib::RefPtr<Gtk::Application> app =
     Gtk::Application::create(argc, argv);
 
diff --git a/tests/wrap_existing/main.cc b/tests/wrap_existing/main.cc
index 31c66c0..5167291 100644
--- a/tests/wrap_existing/main.cc
+++ b/tests/wrap_existing/main.cc
@@ -29,7 +29,7 @@ int main(int argc, char**argv)
   //Set a quark and a callback:
   initialize_quark();
   int a = 0; // (This doesn't work unless we have a non-null value for the 3rd parameter.)
-  g_object_set_qdata_full((GObject*)pBox->gobj(), quark_test, &a, &on_object_qdata_destroyed); 
+  g_object_set_qdata_full((GObject*)pBox->gobj(), quark_test, &a, &on_object_qdata_destroyed);
 
   g_warning("vbox refcount=%d", G_OBJECT(pBox->gobj())->ref_count);
 
diff --git a/tools/extra_defs_gen/generate_defs_gtk.cc b/tools/extra_defs_gen/generate_defs_gtk.cc
index 8e36053..5fc68f2 100644
--- a/tools/extra_defs_gen/generate_defs_gtk.cc
+++ b/tools/extra_defs_gen/generate_defs_gtk.cc
@@ -170,7 +170,7 @@ int main(int argc, char** argv)
 #endif
             << get_defs( GTK_TYPE_POPOVER )
             << get_defs( GTK_TYPE_POPOVER_MENU )
-#if !defined(G_OS_WIN32) 
+#if !defined(G_OS_WIN32)
             << get_defs( GTK_TYPE_PRINTER )
             << get_defs( GTK_TYPE_PRINT_JOB )
 #endif /* G_OS_WIN32 */
diff --git a/tools/m4/class_gtkobject.m4 b/tools/m4/class_gtkobject.m4
index 8b1f541..f258491 100644
--- a/tools/m4/class_gtkobject.m4
+++ b/tools/m4/class_gtkobject.m4
@@ -90,7 +90,7 @@ _SECTION(SECTION_HEADER3)
 namespace Glib
 {
   /** A Glib::wrap() method for this object.
-   * 
+   *
    * @param object The C instance.
    * @param take_copy False if the result should take ownership of the C instance. True if it should take a 
new copy or ref.
    * @result A C++ instance that wraps this C instance.


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