From 22b07e0233a29d9633ffa825a79503befaf2e16e Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Mon, 5 Oct 2015 16:17:49 +0200
Subject: NOOP, remove trailing tabs/whitespace.

---
 libs/gtkmm2ext/actions.cc                          | 12 +--
 libs/gtkmm2ext/binding_proxy.cc                    |  6 +-
 libs/gtkmm2ext/cairo_packer.cc                     |  4 +-
 libs/gtkmm2ext/cairo_widget.cc                     | 12 +--
 libs/gtkmm2ext/cairocell.cc                        | 20 ++---
 libs/gtkmm2ext/cell_renderer_color_selector.cc     | 12 +--
 libs/gtkmm2ext/cell_renderer_pixbuf_multi.cc       |  2 +-
 libs/gtkmm2ext/cell_renderer_pixbuf_toggle.cc      |  2 +-
 libs/gtkmm2ext/choice.cc                           |  4 +-
 libs/gtkmm2ext/click_box.cc                        | 10 +--
 libs/gtkmm2ext/dndtreeview.cc                      |  4 +-
 libs/gtkmm2ext/fader.cc                            | 28 +++----
 libs/gtkmm2ext/grouped_buttons.cc                  |  4 +-
 libs/gtkmm2ext/gtk_ui.cc                           | 10 +--
 libs/gtkmm2ext/gtkmm2ext/actions.h                 |  2 +-
 libs/gtkmm2ext/gtkmm2ext/auto_spin.h               |  2 +-
 libs/gtkmm2ext/gtkmm2ext/barcontroller.h           |  2 +-
 libs/gtkmm2ext/gtkmm2ext/bindable_button.h         |  6 +-
 libs/gtkmm2ext/gtkmm2ext/binding_proxy.h           |  6 +-
 libs/gtkmm2ext/gtkmm2ext/cairo_widget.h            | 10 +--
 libs/gtkmm2ext/gtkmm2ext/cairocell.h               |  6 +-
 .../gtkmm2ext/cell_renderer_pixbuf_multi.h         |  2 +-
 .../gtkmm2ext/cell_renderer_pixbuf_toggle.h        |  2 +-
 libs/gtkmm2ext/gtkmm2ext/dndtreeview.h             | 22 +++---
 libs/gtkmm2ext/gtkmm2ext/dndvbox.h                 | 86 +++++++++++-----------
 libs/gtkmm2ext/gtkmm2ext/focus_entry.h             |  2 +-
 libs/gtkmm2ext/gtkmm2ext/grouped_buttons.h         |  2 +-
 libs/gtkmm2ext/gtkmm2ext/gtk_ui.h                  |  2 +-
 libs/gtkmm2ext/gtkmm2ext/keyboard.h                |  2 +-
 libs/gtkmm2ext/gtkmm2ext/motionfeedback.h          |  4 +-
 libs/gtkmm2ext/gtkmm2ext/persistent_tooltip.h      |  2 +-
 libs/gtkmm2ext/gtkmm2ext/pixscroller.h             |  2 +-
 libs/gtkmm2ext/gtkmm2ext/scroomer.h                |  2 +-
 libs/gtkmm2ext/gtkmm2ext/slider_controller.h       |  2 +-
 libs/gtkmm2ext/gtkmm2ext/textviewer.h              |  2 +-
 libs/gtkmm2ext/gtkmm2ext/utils.h                   | 10 +--
 libs/gtkmm2ext/gtkmm2ext/widget_state.h            |  2 +-
 libs/gtkmm2ext/idle_adjustment.cc                  |  4 +-
 libs/gtkmm2ext/keyboard.cc                         |  2 +-
 libs/gtkmm2ext/motionfeedback.cc                   | 30 ++++----
 libs/gtkmm2ext/persistent_tooltip.cc               |  4 +-
 libs/gtkmm2ext/pixscroller.cc                      | 12 +--
 libs/gtkmm2ext/popup.cc                            |  4 +-
 libs/gtkmm2ext/prompter.cc                         |  8 +-
 libs/gtkmm2ext/scroomer.cc                         | 26 +++----
 libs/gtkmm2ext/selector.cc                         |  2 +-
 libs/gtkmm2ext/sync-menu.c                         |  4 +-
 libs/gtkmm2ext/tearoff.cc                          | 12 +--
 libs/gtkmm2ext/textviewer.cc                       |  2 +-
 libs/gtkmm2ext/utils.cc                            | 24 +++---
 libs/gtkmm2ext/window_title.cc                     |  2 +-
 51 files changed, 223 insertions(+), 223 deletions(-)

(limited to 'libs/gtkmm2ext')

diff --git a/libs/gtkmm2ext/actions.cc b/libs/gtkmm2ext/actions.cc
index a4c8be1774..9471067de9 100644
--- a/libs/gtkmm2ext/actions.cc
+++ b/libs/gtkmm2ext/actions.cc
@@ -259,7 +259,7 @@ ActionManager::enable_accelerators ()
 
 		for (acts = gtk_action_group_list_actions (group); acts; acts = g_list_next (acts)) {
 			ui_string += "<accelerator action=\"";
-			
+
 			/* OK, this is pretty stupid ... there is the full
 			 * accel path returned by gtk_action_get_accel_path ()
 			 * but of course the UIManager doesn't use that, but
@@ -338,7 +338,7 @@ ActionManager::disable_active_actions ()
 	}
 	// save all action's states to action_states_to_restore
 	save_action_states ();
-	
+
 	// set all action's states disabled
 	for (ActionStates::iterator i = action_states_to_restore.begin(); i != action_states_to_restore.end(); ++i) {
 		if ((*i).sensitive) {
@@ -391,7 +391,7 @@ ActionManager::get_action (const char* path)
 	*slash = '\0';
 
 	return get_action (&copy[0], ++slash);
-	
+
 }
 
 RefPtr<Action>
@@ -493,7 +493,7 @@ void
 ActionManager::set_toggleaction_state (string n, bool s)
 {
 	char const * name = n.c_str ();
-	
+
 	const char *last_slash = strrchr (name, '/');
 
 	if (last_slash == 0) {
@@ -526,13 +526,13 @@ string
 ActionManager::get_key_representation (const string& accel_path, AccelKey& key)
 {
 	bool known = lookup_entry (accel_path, key);
-	
+
 	if (known) {
 		uint32_t k = possibly_translate_legal_accelerator_to_real_key (key.get_key());
 		key = AccelKey (k, Gdk::ModifierType (key.get_mod()));
 		return ui_manager->get_accel_group()->get_label (key.get_key(), Gdk::ModifierType (key.get_mod()));
 	}
-	
+
 	return unbound_string;
 }
 
diff --git a/libs/gtkmm2ext/binding_proxy.cc b/libs/gtkmm2ext/binding_proxy.cc
index 87473adcd2..dfa2b4ac7c 100644
--- a/libs/gtkmm2ext/binding_proxy.cc
+++ b/libs/gtkmm2ext/binding_proxy.cc
@@ -37,12 +37,12 @@ guint BindingProxy::bind_statemask = Gdk::CONTROL_MASK;
 BindingProxy::BindingProxy (boost::shared_ptr<Controllable> c)
 	: prompter (0),
 	  controllable (c)
-{			
+{
 }
 
 BindingProxy::BindingProxy ()
 	: prompter (0)
-{			
+{
 }
 
 BindingProxy::~BindingProxy ()
@@ -89,7 +89,7 @@ BindingProxy::button_press_handler (GdkEventButton *ev)
 		}
 		return true;
 	}
-	
+
 	return false;
 }
 
diff --git a/libs/gtkmm2ext/cairo_packer.cc b/libs/gtkmm2ext/cairo_packer.cc
index d9449ebb6b..71f35fcf36 100644
--- a/libs/gtkmm2ext/cairo_packer.cc
+++ b/libs/gtkmm2ext/cairo_packer.cc
@@ -27,9 +27,9 @@ CairoPacker::draw_background (Gtk::Widget& w, GdkEventExpose*)
 	int x, y;
 	Gtk::Widget* window_parent;
 	Glib::RefPtr<Gdk::Window> win = Gtkmm2ext::window_to_draw_on (w, &window_parent);
-	
+
 	if (win) {
-		
+
 		Cairo::RefPtr<Cairo::Context> context = win->create_cairo_context();
 		w.translate_coordinates (*window_parent, 0, 0, x, y);
 
diff --git a/libs/gtkmm2ext/cairo_widget.cc b/libs/gtkmm2ext/cairo_widget.cc
index aa8f883a7d..a597a7e29d 100644
--- a/libs/gtkmm2ext/cairo_widget.cc
+++ b/libs/gtkmm2ext/cairo_widget.cc
@@ -38,7 +38,7 @@ void CairoWidget::set_source_rgb_a( cairo_t* cr, Gdk::Color col, float a)  //ToD
 	float r = col.get_red_p ();
 	float g = col.get_green_p ();
 	float b = col.get_blue_p ();
-	
+
 	cairo_set_source_rgba(cr, r, g, b, a);
 }
 
@@ -139,9 +139,9 @@ CairoWidget::on_expose_event (GdkEventExpose *ev)
 		cairo_context->paint ();
 	}
 #endif
-	
+
 	Gtk::Widget* child = get_child ();
-	
+
 	if (child) {
 		propagate_expose (*child, ev);
 	}
@@ -187,9 +187,9 @@ CairoWidget::on_expose_event (GdkEventExpose *ev)
 
 	/* paint expose area the color of the parent window bg
 	*/
-	
+
 	Gdk::Color bg (get_parent_bg());
-	
+
 	cr->set_source_rgb (bg.get_red_p(), bg.get_green_p(), bg.get_blue_p());
 	cr->fill ();
 
@@ -219,7 +219,7 @@ CairoWidget::on_expose_event (GdkEventExpose *ev)
 #ifdef OPTIONAL_CAIRO_IMAGE_SURFACE
 	}
 #endif
-	
+
 	return true;
 }
 
diff --git a/libs/gtkmm2ext/cairocell.cc b/libs/gtkmm2ext/cairocell.cc
index 4a6056e192..4de898c832 100644
--- a/libs/gtkmm2ext/cairocell.cc
+++ b/libs/gtkmm2ext/cairocell.cc
@@ -149,9 +149,9 @@ CairoTextCell::set_size (Cairo::RefPtr<Cairo::Context>& context)
 		for (n = 0; n < lim; ++n) {
 			buf[n] = '0' + digit;
 		}
-		
+
 		context->get_text_extents (&buf[0], ext);
-		
+
 		max_width = max (ext.width + ext.x_bearing, max_width);
 		max_height = max (ext.height, max_height);
 		bsum += ext.x_bearing;
@@ -179,7 +179,7 @@ CairoCharCell::set_size (Cairo::RefPtr<Cairo::Context>& context)
 	Cairo::TextExtents ext;
 
 	_font->apply (context);
-	
+
 	{
 		const char* buf = "8";
 		context->get_text_extents (buf, ext);
@@ -251,7 +251,7 @@ void
 CairoEditableText::add_cell (CairoCell* cell)
 {
 	cells.push_back (cell);
-	
+
 	CairoTextCell* tc = dynamic_cast<CairoTextCell*>(cell);
 
 	if (tc) {
@@ -306,7 +306,7 @@ CairoEditableText::on_expose_event (GdkEventExpose* ev)
 	Gtk::Allocation alloc = get_allocation ();
 	double width = alloc.get_width();
 	double height = alloc.get_height ();
-		
+
 	if (_draw_bg) {
 		context->set_source_rgba (bg_r, bg_g, bg_b, bg_a);
 		if (_corner_radius) {
@@ -316,14 +316,14 @@ CairoEditableText::on_expose_event (GdkEventExpose* ev)
 		}
 		context->fill ();
 	}
-	
+
 	for (CellMap::iterator i = cells.begin(); i != cells.end(); ++i) {
 
 		CairoCell* cell = (*i);
 
 		/* is cell inside the expose area?
 		 */
-		
+
 		if (cell->intersects (ev->area)) {
 			if (cell == editing_cell) {
 				context->set_source_rgba (edit_r, edit_b, edit_g, edit_a);
@@ -413,9 +413,9 @@ CairoEditableText::set_cell_sizes ()
 	if (!win) {
 		return;
 	}
-	
+
 	Cairo::RefPtr<Cairo::Context> context = win->create_cairo_context();
-	
+
 	if (!context) {
 		return;
 	}
@@ -432,7 +432,7 @@ CairoEditableText::on_size_request (GtkRequisition* req)
 
 	max_cell_width = 0;
 	max_cell_height = 0;
-	
+
 	for (CellMap::iterator i = cells.begin(); i != cells.end(); ++i) {
 		max_cell_width += (*i)->width();
 		max_cell_height = std::max ((double) (*i)->height(), max_cell_height);
diff --git a/libs/gtkmm2ext/cell_renderer_color_selector.cc b/libs/gtkmm2ext/cell_renderer_color_selector.cc
index 62419b423d..f8093cca1d 100644
--- a/libs/gtkmm2ext/cell_renderer_color_selector.cc
+++ b/libs/gtkmm2ext/cell_renderer_color_selector.cc
@@ -46,7 +46,7 @@ CellRendererColorSelector::CellRendererColorSelector()
 	c.set_red (0);
 	c.set_green (0);
 	c.set_blue (0);
-	
+
 	property_color() = c;
 }
 
@@ -70,21 +70,21 @@ CellRendererColorSelector::render_vfunc (const Glib::RefPtr<Gdk::Drawable>& wind
 		cairo_t* cr = gdk_cairo_create (window->gobj());
 		double r, g, b;
 		Gdk::Color c = _property_color.get_value();
-		
+
 		cairo_rectangle (cr, expose_area.get_x(), expose_area.get_y(), expose_area.get_width(), expose_area.get_height());
 		cairo_clip (cr);
-		
+
 		r = c.get_red_p();
 		g = c.get_green_p();
 		b = c.get_blue_p();
-		
+
 		cairo_rectangle_t drawing_rect;
-		
+
 		drawing_rect.x = cell_area.get_x() + property_xpad();
 		drawing_rect.y = cell_area.get_y() + property_ypad();
 		drawing_rect.width = cell_area.get_width() - (2 * property_xpad());
 		drawing_rect.height = cell_area.get_height() - (2 * property_ypad());
-		
+
 		Gtkmm2ext::rounded_rectangle (cr, drawing_rect.x, drawing_rect.y, drawing_rect.width, drawing_rect.height, 5);
 		cairo_set_source_rgb (cr, r, g, b);
 		cairo_fill (cr);
diff --git a/libs/gtkmm2ext/cell_renderer_pixbuf_multi.cc b/libs/gtkmm2ext/cell_renderer_pixbuf_multi.cc
index c5c9eb98b0..181e0db0f7 100644
--- a/libs/gtkmm2ext/cell_renderer_pixbuf_multi.cc
+++ b/libs/gtkmm2ext/cell_renderer_pixbuf_multi.cc
@@ -70,7 +70,7 @@ CellRendererPixbufMulti::render_vfunc (const Glib::RefPtr<Gdk::Drawable>& window
 
 	offset_width = cell_area.get_x() +  (int)(cell_area.get_width() - pb->get_width())/2;
 	offset_height = cell_area.get_y() + (int)(cell_area.get_height() - pb->get_height())/2;
-	
+
 	window->draw_pixbuf (RefPtr<GC>(), pb, 0, 0, offset_width, offset_height, -1, -1, Gdk::RGB_DITHER_NORMAL, 0, 0);
 }
 
diff --git a/libs/gtkmm2ext/cell_renderer_pixbuf_toggle.cc b/libs/gtkmm2ext/cell_renderer_pixbuf_toggle.cc
index 9fefbfb88e..af709b488f 100644
--- a/libs/gtkmm2ext/cell_renderer_pixbuf_toggle.cc
+++ b/libs/gtkmm2ext/cell_renderer_pixbuf_toggle.cc
@@ -75,7 +75,7 @@ CellRendererPixbufToggle::render_vfunc (const Glib::RefPtr<Gdk::Drawable>& windo
 {
 	int offset_width = 0;
 	int offset_height = 0;
-	
+
 	if(property_active() == true){
 
 		offset_width = cell_area.get_x() +  (int)(cell_area.get_width() - inactive_pixbuf->get_width())/2;
diff --git a/libs/gtkmm2ext/choice.cc b/libs/gtkmm2ext/choice.cc
index 4cce090bcc..5dde9426e7 100644
--- a/libs/gtkmm2ext/choice.cc
+++ b/libs/gtkmm2ext/choice.cc
@@ -31,7 +31,7 @@ Choice::Choice (string title, string prompt, vector<string> choices, bool center
 {
 	int n;
 	vector<string>::iterator i;
-	
+
 	if (center) {
 		set_position (Gtk::WIN_POS_CENTER);
 	} else {
@@ -49,7 +49,7 @@ Choice::Choice (string title, string prompt, vector<string> choices, bool center
 
 	get_vbox()->set_border_width (12);
 	get_vbox()->pack_start (*dhbox,  true, false);
-	
+
 	set_has_separator (false);
 	set_resizable (false);
 	show_all_children ();
diff --git a/libs/gtkmm2ext/click_box.cc b/libs/gtkmm2ext/click_box.cc
index 8782acaae8..876c68f665 100644
--- a/libs/gtkmm2ext/click_box.cc
+++ b/libs/gtkmm2ext/click_box.cc
@@ -135,21 +135,21 @@ ClickBox::on_expose_event (GdkEventExpose *ev)
 	Glib::RefPtr<Gdk::GC> fg_gc (style->get_fg_gc (Gtk::STATE_NORMAL));
 	Glib::RefPtr<Gdk::GC> bg_gc (style->get_bg_gc (Gtk::STATE_NORMAL));
 	Glib::RefPtr<Gdk::Window> win (get_window());
-	
+
 	GdkRectangle base_rect;
 	GdkRectangle draw_rect;
 	gint x, y, width, height, depth;
-	
+
 	win->get_geometry (x, y, width, height, depth);
-	
+
 	base_rect.width = width;
 	base_rect.height = height;
 	base_rect.x = 0;
 	base_rect.y = 0;
-	
+
 	gdk_rectangle_intersect (&ev->area, &base_rect, &draw_rect);
 	win->draw_rectangle (bg_gc, true, draw_rect.x, draw_rect.y, draw_rect.width, draw_rect.height);
-	
+
 	if (twidth && theight) {
 		win->draw_layout (fg_gc, (width - twidth) / 2, (height - theight) / 2, layout);
 	}
diff --git a/libs/gtkmm2ext/dndtreeview.cc b/libs/gtkmm2ext/dndtreeview.cc
index 06d17fce40..53b212d711 100644
--- a/libs/gtkmm2ext/dndtreeview.cc
+++ b/libs/gtkmm2ext/dndtreeview.cc
@@ -49,10 +49,10 @@ DnDTreeViewBase::add_drop_targets (list<TargetEntry>& targets)
 	for (list<TargetEntry>::iterator i = targets.begin(); i != targets.end(); ++i) {
 		draggable.push_back (*i);
 	}
-	
+
 	enable_model_drag_source (draggable);
 	enable_model_drag_dest (draggable);
-}	
+}
 
 void
 DnDTreeViewBase::add_object_drag (int column, string type_name)
diff --git a/libs/gtkmm2ext/fader.cc b/libs/gtkmm2ext/fader.cc
index a899e5906a..9a2f5a2cd9 100644
--- a/libs/gtkmm2ext/fader.cc
+++ b/libs/gtkmm2ext/fader.cc
@@ -162,7 +162,7 @@ Fader::get_image_scales (double &x_scale, double &y_scale)
 	int pbheight = _face_pixbuf->get_height ();
 	int width = get_width ();
 	int height = get_height ();
-	
+
 	if ((width != pbwidth) || (height != pbheight)) {
 		x_scale = double (width) / double (pbwidth);
 		if (x_scale == 0.0) {
@@ -186,17 +186,17 @@ Fader::set_touch_cursor (const Glib::RefPtr<Gdk::Pixbuf>& touch_cursor)
 void
 Fader::render (cairo_t* cr, cairo_rectangle_t*)
 {
-	
+
 	double xscale = 1.0;
 	double yscale = 1.0;
-	
+
 	get_image_scales (xscale, yscale);
-	
+
 	cairo_matrix_t matrix;
 	cairo_get_matrix (cr, &matrix);
 	cairo_matrix_scale (&matrix, xscale, yscale);
 	cairo_set_matrix (cr, &matrix);
-	
+
 	get_handle_position (_last_drawn_x, _last_drawn_y);
 
 	if (_underlay_pixbuf != 0) {
@@ -264,9 +264,9 @@ Fader::on_button_press_event (GdkEventButton* ev)
 
 	double xscale = 1.0;
 	double yscale = 1.0;
-	
+
 	get_image_scales (xscale, yscale);
-	
+
 	double hw = _handle_pixbuf->get_width() * xscale;
 	double hh = _handle_pixbuf->get_height() * yscale;
 
@@ -276,16 +276,16 @@ Fader::on_button_press_event (GdkEventButton* ev)
 
 	double ev_pos_x;
 	double ev_pos_y;
-		
+
 	get_closest_point_on_line(_min_pos_x, _min_pos_y,
 	                          _max_pos_x, _max_pos_y,
 	                          ev->x, ev->y,
 	                          ev_pos_x, ev_pos_y );
 	add_modal_grab ();
-	
+
 	_grab_window = ev->window;
 	_dragging = true;
-	
+
 	gdk_pointer_grab(ev->window,false,
 	                 GdkEventMask (Gdk::POINTER_MOTION_MASK | Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK),
 	                 NULL,
@@ -293,7 +293,7 @@ Fader::on_button_press_event (GdkEventButton* ev)
 	                 ev->time);
 
 	queue_draw();
-	
+
 	return true;
 }
 
@@ -368,7 +368,7 @@ Fader::on_motion_notify_event (GdkEventMotion* ev)
 	if (_dragging) {
 		double ev_pos_x;
 		double ev_pos_y;
-		
+
 		if (ev->window != _grab_window) {
 			_grab_window = ev->window;
 			return true;
@@ -378,12 +378,12 @@ Fader::on_motion_notify_event (GdkEventMotion* ev)
 		                          _max_pos_x, _max_pos_y,
 		                          _grab_start_handle_x + (ev->x - _grab_start_mouse_x), _grab_start_handle_y + (ev->y - _grab_start_mouse_y),
 		                          ev_pos_x, ev_pos_y );
-		
+
 		double const fract = sqrt((ev_pos_x - _min_pos_x) * (ev_pos_x - _min_pos_x) +
 		                          (ev_pos_y - _min_pos_y) * (ev_pos_y - _min_pos_y)) /
 			sqrt((double)((_max_pos_x - _min_pos_x) * (_max_pos_x - _min_pos_x) +
 			              (_max_pos_y - _min_pos_y) * (_max_pos_y - _min_pos_y)));
-		
+
 		adjustment.set_value (adjustment.get_lower() + (adjustment.get_upper() - adjustment.get_lower()) * fract);
 	}
 	return true;
diff --git a/libs/gtkmm2ext/grouped_buttons.cc b/libs/gtkmm2ext/grouped_buttons.cc
index e9d2c1c422..48a2ed1ab0 100644
--- a/libs/gtkmm2ext/grouped_buttons.cc
+++ b/libs/gtkmm2ext/grouped_buttons.cc
@@ -46,9 +46,9 @@ GroupedButtons::GroupedButtons (uint32_t nbuttons, uint32_t first_active)
 	for (uint32_t n = 0; n < nbuttons; ++n) {
 
 		Gtk::ToggleButton *button;
-		
+
 		button = manage (new (Gtk::ToggleButton));
-		
+
 		if (n == current_active) {
 			button->set_active (true);
 		}
diff --git a/libs/gtkmm2ext/gtk_ui.cc b/libs/gtkmm2ext/gtk_ui.cc
index d06e60ccd6..d160146859 100644
--- a/libs/gtkmm2ext/gtk_ui.cc
+++ b/libs/gtkmm2ext/gtk_ui.cc
@@ -71,12 +71,12 @@ UI::UI (string namestr, int *argc, char ***argv)
 	: AbstractUI<UIRequest> (namestr)
 	, _receiver (*this)
 	, errors (0)
-	
+
 {
 	theMain = new Main (argc, argv);
 
 	pthread_set_name ("gui");
-	
+
 	_active = false;
 
 	if (!theGtkUI) {
@@ -91,7 +91,7 @@ UI::UI (string namestr, int *argc, char ***argv)
 	*/
 
 	run_loop_thread = Threads::Thread::self();
-	
+
 	/* store "this" as the UI-for-thread of this thread, same argument
 	   as for previous line.
 	*/
@@ -144,7 +144,7 @@ UI::load_rcfile (string path, bool themechange)
 	 * This does not occur if wiget.get_style is used instead of rc.get_style below,
 	 * except that doesn't actually work...
 	 */
-	
+
 	static Glib::RefPtr<Style>* fatal_style   = 0;
 	static Glib::RefPtr<Style>* error_style   = 0;
 	static Glib::RefPtr<Style>* warning_style = 0;
@@ -641,7 +641,7 @@ UI::toggle_errors ()
 	}
 
 	Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
-	
+
 	if (tact->get_active()) {
 		errors->set_position (WIN_POS_MOUSE);
 		errors->show ();
diff --git a/libs/gtkmm2ext/gtkmm2ext/actions.h b/libs/gtkmm2ext/gtkmm2ext/actions.h
index 0336fde242..b03e351cbf 100644
--- a/libs/gtkmm2ext/gtkmm2ext/actions.h
+++ b/libs/gtkmm2ext/gtkmm2ext/actions.h
@@ -38,7 +38,7 @@ namespace ActionManager {
 
 	LIBGTKMM2EXT_API extern std::string unbound_string;  /* the key string returned if an action is not bound */
 	LIBGTKMM2EXT_API extern Glib::RefPtr<Gtk::UIManager> ui_manager;
-	
+
 	LIBGTKMM2EXT_API extern void set_sensitive (std::vector<Glib::RefPtr<Gtk::Action> >& actions, bool);
 	LIBGTKMM2EXT_API extern std::string get_key_representation (const std::string& accel_path, Gtk::AccelKey& key);
 
diff --git a/libs/gtkmm2ext/gtkmm2ext/auto_spin.h b/libs/gtkmm2ext/gtkmm2ext/auto_spin.h
index 70aedbe50e..da19a1a1f7 100644
--- a/libs/gtkmm2ext/gtkmm2ext/auto_spin.h
+++ b/libs/gtkmm2ext/gtkmm2ext/auto_spin.h
@@ -74,5 +74,5 @@ class LIBGTKMM2EXT_API AutoSpin
 };
 
 } /* namespace */
-	
+
 #endif /* __gtkmm2ext_auto_spin_h__ */
diff --git a/libs/gtkmm2ext/gtkmm2ext/barcontroller.h b/libs/gtkmm2ext/gtkmm2ext/barcontroller.h
index ce10411a2c..f529c5c557 100644
--- a/libs/gtkmm2ext/gtkmm2ext/barcontroller.h
+++ b/libs/gtkmm2ext/gtkmm2ext/barcontroller.h
@@ -80,4 +80,4 @@ class LIBGTKMM2EXT_API BarController : public Gtk::Alignment
 
 }; /* namespace */
 
-#endif // __gtkmm2ext_bar_controller_h__		
+#endif // __gtkmm2ext_bar_controller_h__
diff --git a/libs/gtkmm2ext/gtkmm2ext/bindable_button.h b/libs/gtkmm2ext/gtkmm2ext/bindable_button.h
index cf74d3aca0..d96f8145a4 100644
--- a/libs/gtkmm2ext/gtkmm2ext/bindable_button.h
+++ b/libs/gtkmm2ext/gtkmm2ext/bindable_button.h
@@ -40,7 +40,7 @@ class LIBGTKMM2EXT_API BindableToggleButton : public Gtkmm2ext::StatefulToggleBu
 	BindableToggleButton () {}
 
 	virtual ~BindableToggleButton() {}
-	
+
 	bool on_button_press_event (GdkEventButton *ev) {
 		if (!binding_proxy.button_press_handler (ev)) {
 			StatefulToggleButton::on_button_press_event (ev);
@@ -49,7 +49,7 @@ class LIBGTKMM2EXT_API BindableToggleButton : public Gtkmm2ext::StatefulToggleBu
 			return true;
 		}
 	}
-	
+
 	boost::shared_ptr<PBD::Controllable> get_controllable() { return binding_proxy.get_controllable(); }
  	void set_controllable (boost::shared_ptr<PBD::Controllable> c);
         void watch ();
@@ -67,7 +67,7 @@ class LIBGTKMM2EXT_API BindableButton : public Gtkmm2ext::StatefulButton
    public:
 	BindableButton (boost::shared_ptr<PBD::Controllable> c) : binding_proxy (c) {}
 	~BindableButton() {}
-	
+
 	bool on_button_press_event (GdkEventButton *ev) {
 		if (!binding_proxy.button_press_handler (ev)) {
 			StatefulButton::on_button_press_event (ev);
diff --git a/libs/gtkmm2ext/gtkmm2ext/binding_proxy.h b/libs/gtkmm2ext/gtkmm2ext/binding_proxy.h
index 022a0cbcd9..7108c46eb2 100644
--- a/libs/gtkmm2ext/gtkmm2ext/binding_proxy.h
+++ b/libs/gtkmm2ext/gtkmm2ext/binding_proxy.h
@@ -39,7 +39,7 @@ class LIBGTKMM2EXT_API BindingProxy : public sigc::trackable
 	BindingProxy (boost::shared_ptr<PBD::Controllable>);
 	BindingProxy ();
 	virtual ~BindingProxy();
-	
+
 	void set_bind_button_state (guint button, guint statemask);
 
 	static bool is_bind_action (GdkEventButton *);
@@ -51,10 +51,10 @@ class LIBGTKMM2EXT_API BindingProxy : public sigc::trackable
   protected:
 	Gtkmm2ext::PopUp*  prompter;
 	boost::shared_ptr<PBD::Controllable> controllable;
-	
+
 	static guint bind_button;
 	static guint bind_statemask;
-	
+
 	PBD::ScopedConnection learning_connection;
 	void learning_finished ();
 	bool prompter_hiding (GdkEventAny *);
diff --git a/libs/gtkmm2ext/gtkmm2ext/cairo_widget.h b/libs/gtkmm2ext/gtkmm2ext/cairo_widget.h
index 436dc0382d..b6b4ccd83e 100644
--- a/libs/gtkmm2ext/gtkmm2ext/cairo_widget.h
+++ b/libs/gtkmm2ext/gtkmm2ext/cairo_widget.h
@@ -39,11 +39,11 @@ public:
 
 	Gtkmm2ext::ActiveState active_state() const { return _active_state; }
 	Gtkmm2ext::VisualState visual_state() const { return _visual_state; }
-	
+
 	/* derived widgets can override these two to catch
 	   changes in active & visual state
 	*/
-	
+
 	virtual void set_active_state (Gtkmm2ext::ActiveState);
 	virtual void set_visual_state (Gtkmm2ext::VisualState);
 
@@ -80,7 +80,7 @@ public:
 
 	/* set_focus_handler() will cause all button-press events on any
 	   CairoWidget to invoke this slot/functor/function/method/callback.
-	
+
 	   We do this because in general, CairoWidgets do not grab
 	   keyboard focus, but a button press on them should
 	   clear focus from any active text entry.
@@ -103,7 +103,7 @@ protected:
 	void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
 	bool on_button_press_event (GdkEventButton*);
 	Gdk::Color get_parent_bg ();
-	
+
 	/* this is an additional virtual "on_..." method. Glibmm does not
 	   provide a direct signal for name changes, so this acts as a proxy.
 	*/
@@ -125,7 +125,7 @@ protected:
 	Glib::SignalProxyProperty _name_proxy;
 	sigc::connection _parent_style_change;
 	Widget * _current_parent;
-	
+
 };
 
 #endif
diff --git a/libs/gtkmm2ext/gtkmm2ext/cairocell.h b/libs/gtkmm2ext/gtkmm2ext/cairocell.h
index a061672fb8..8fe166624f 100644
--- a/libs/gtkmm2ext/gtkmm2ext/cairocell.h
+++ b/libs/gtkmm2ext/gtkmm2ext/cairocell.h
@@ -36,7 +36,7 @@ class LIBGTKMM2EXT_API CairoCell
   public:
 	CairoCell(int32_t id);
 	virtual ~CairoCell() {}
-	
+
 	int32_t id() const { return _id; }
 
 	virtual void render (Cairo::RefPtr<Cairo::Context>&) = 0;
@@ -165,7 +165,7 @@ public:
 	void set_width_chars (CairoTextCell* cell, uint32_t);
 
 	void set_draw_background (bool yn) { _draw_bg = yn; }
-	
+
 	void set_colors (double cr, double cg, double cb, double ca) {
 		r = cr;
 		g = cg;
@@ -194,7 +194,7 @@ public:
 	void set_xpad (double x) { _xpad = x; queue_resize(); }
 	double ypad() const { return _ypad; }
 	void set_ypad (double y) { _ypad = y; queue_resize(); }
-	
+
 	double corner_radius() const { return _corner_radius; }
 	void set_corner_radius (double r) { _corner_radius = r; queue_draw (); }
 
diff --git a/libs/gtkmm2ext/gtkmm2ext/cell_renderer_pixbuf_multi.h b/libs/gtkmm2ext/gtkmm2ext/cell_renderer_pixbuf_multi.h
index e84a635fa0..c921976dd3 100644
--- a/libs/gtkmm2ext/gtkmm2ext/cell_renderer_pixbuf_multi.h
+++ b/libs/gtkmm2ext/gtkmm2ext/cell_renderer_pixbuf_multi.h
@@ -53,7 +53,7 @@ class LIBGTKMM2EXT_API CellRendererPixbufMulti : public Gtk::CellRenderer
 	Glib::PropertyProxy<uint32_t> property_state();
 
 	void set_pixbuf(uint32_t state, Glib::RefPtr<Gdk::Pixbuf> pixbuf);
-	
+
 	typedef sigc::signal<void, const Glib::ustring&> SignalChanged;
 
 	SignalChanged& signal_changed();
diff --git a/libs/gtkmm2ext/gtkmm2ext/cell_renderer_pixbuf_toggle.h b/libs/gtkmm2ext/gtkmm2ext/cell_renderer_pixbuf_toggle.h
index 30171dd692..3fd2d65aa9 100644
--- a/libs/gtkmm2ext/gtkmm2ext/cell_renderer_pixbuf_toggle.h
+++ b/libs/gtkmm2ext/gtkmm2ext/cell_renderer_pixbuf_toggle.h
@@ -62,7 +62,7 @@ class LIBGTKMM2EXT_API CellRendererPixbufToggle : public Gtk::CellRenderer
   private:
 	Glib::Property< Glib::RefPtr<Gdk::Pixbuf> > property_pixbuf_;
 	Glib::Property<bool> property_active_;
-	
+
 	Glib::RefPtr<Gdk::Pixbuf> active_pixbuf;
 	Glib::RefPtr<Gdk::Pixbuf> inactive_pixbuf;
 
diff --git a/libs/gtkmm2ext/gtkmm2ext/dndtreeview.h b/libs/gtkmm2ext/gtkmm2ext/dndtreeview.h
index dd58f77a4c..083fee6378 100644
--- a/libs/gtkmm2ext/gtkmm2ext/dndtreeview.h
+++ b/libs/gtkmm2ext/gtkmm2ext/dndtreeview.h
@@ -52,7 +52,7 @@ class LIBGTKMM2EXT_API DnDTreeViewBase : public Gtk::TreeView
 		Gtk::TreeView::on_drag_begin (context);
 		start_object_drag ();
 	}
-	
+
 	void on_drag_leave(const Glib::RefPtr<Gdk::DragContext>& context, guint time) {
 		suggested_action = context->get_suggested_action();
 		TreeView::on_drag_leave (context, time);
@@ -73,12 +73,12 @@ class LIBGTKMM2EXT_API DnDTreeViewBase : public Gtk::TreeView
 
 	struct DragData {
 	    DragData () : source (0) {}
-		
+
 	    Gtk::TreeView* source;
 	    int            data_column;
 	    std::string    object_type;
 	};
-	
+
 	static DragData drag_data;
 
 	void start_object_drag () {
@@ -112,7 +112,7 @@ class /*LIBGTKMM2EXT_API*/ DnDTreeView : public DnDTreeViewBase
 			selection_data.set (8, (guchar*)&c, 1);
 		}
 	}
-	
+
 	void on_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, const Gtk::SelectionData& selection_data, guint info, guint time) {
 		if (suggested_action) {
 			/* this is a drag motion callback. just update the status to
@@ -122,14 +122,14 @@ class /*LIBGTKMM2EXT_API*/ DnDTreeView : public DnDTreeViewBase
 			TreeView::on_drag_data_received (context, x, y, selection_data, info, time);
 			return;
 		}
-		
+
 		if (selection_data.get_target() == "GTK_TREE_MODEL_ROW") {
-			
+
 			TreeView::on_drag_data_received (context, x, y, selection_data, info, time);
-			
+
 
 		} else if (selection_data.get_target() == object_type) {
-			
+
 			end_object_drag (const_cast<Glib::RefPtr<Gdk::DragContext>& > (context), x, y);
 
 		} else {
@@ -147,16 +147,16 @@ class /*LIBGTKMM2EXT_API*/ DnDTreeView : public DnDTreeViewBase
 		if (drag_data.source == 0) {
 			return;
 		}
-			
+
 		Glib::RefPtr<Gtk::TreeModel> model = drag_data.source->get_model();
 		DataType v;
 		Gtk::TreeSelection::ListHandle_Path selection = drag_data.source->get_selection()->get_selected_rows ();
-		
+
 		for (Gtk::TreeSelection::ListHandle_Path::iterator x = selection.begin(); x != selection.end(); ++x) {
 			model->get_iter (*x)->get_value (drag_data.data_column, v);
 			l.push_back (v);
 		}
-		
+
 		*source = drag_data.source;
 	}
 
diff --git a/libs/gtkmm2ext/gtkmm2ext/dndvbox.h b/libs/gtkmm2ext/gtkmm2ext/dndvbox.h
index 940a72859e..84289aff34 100644
--- a/libs/gtkmm2ext/gtkmm2ext/dndvbox.h
+++ b/libs/gtkmm2ext/gtkmm2ext/dndvbox.h
@@ -24,15 +24,15 @@
 
 namespace Gtkmm2ext {
 
-/** Parent class for children of a DnDVBox */	
+/** Parent class for children of a DnDVBox */
 class /*LIBGTKMM2EXT_API*/ DnDVBoxChild
 {
 public:
 	virtual ~DnDVBoxChild () {}
-	
+
 	/** @return The widget that is to be put into the DnDVBox */
 	virtual Gtk::Widget& widget () = 0;
-	
+
 	/** @return An EventBox containing the widget that should be used for selection, dragging etc. */
 	virtual Gtk::EventBox& action_widget () = 0;
 
@@ -68,15 +68,15 @@ public:
 		signal_drag_leave().connect (mem_fun (*this, &DnDVBox::drag_leave));
 
 		_internal_vbox.show ();
-		
+
 		drag_dest_set (_targets);
 		signal_drag_data_received().connect (mem_fun (*this, &DnDVBox::drag_data_received));
 	}
-	
+
 	virtual ~DnDVBox ()
 	{
 		clear ();
-		
+
 		delete _drag_icon;
 	}
 
@@ -89,9 +89,9 @@ public:
 		child->action_widget().signal_drag_end().connect (sigc::bind (mem_fun (*this, &DnDVBox::drag_end), child));
 		child->action_widget().signal_button_press_event().connect (sigc::bind (mem_fun (*this, &DnDVBox::button_press), child));
 		child->action_widget().signal_button_release_event().connect (sigc::bind (mem_fun (*this, &DnDVBox::button_release), child));
-		
+
 		_internal_vbox.pack_start (child->widget(), false, false);
-		
+
 		_children.push_back (child);
 		child->widget().show ();
 	}
@@ -180,7 +180,7 @@ public:
 		T* after;
 
 		std::pair<T*, double> r;
-		
+
 		r.second = get_children_around_position (y, &before, &r.first, &after);
 
 		return r;
@@ -206,7 +206,7 @@ public:
 	{
 		return create_or_update_placeholder (get_child_at_position (y).second);
 	}
-	
+
 	/** Children have been reordered by a drag */
 	sigc::signal<void> Reordered;
 
@@ -241,7 +241,7 @@ private:
 
 		return bottom;
 	}
-	
+
 	/** Look at a y coordinate and find the children below y, and the ones either side.
 	 *  @param y y position.
 	 *  @param before Filled in with the child before, or 0.
@@ -270,7 +270,7 @@ private:
 		while (y >= bottom && j != _children.end()) {
 
 			top = bottom;
-			
+
 			*before = *j;
 			++i;
 			++j;
@@ -297,13 +297,13 @@ private:
 	void drag_begin (Glib::RefPtr<Gdk::DragContext> const & context, T* child)
 	{
 		_drag_child = child;
-		
+
 		/* make up an icon for the drag */
 		_drag_icon = new Gtk::Window (Gtk::WINDOW_POPUP);
-		
+
 		Gtk::Allocation a = child->action_widget().get_allocation ();
 		_drag_icon->set_size_request (a.get_width(), a.get_height());
-		
+
 		_drag_icon->signal_expose_event().connect (sigc::mem_fun (*this, &DnDVBox::icon_expose));
 		_drag_icon->set_name (get_name ());
 
@@ -317,7 +317,7 @@ private:
 		int w, h;
 		_drag_icon->get_size (w, h);
 		_drag_icon->drag_set_as_icon (context, w / 2, h / 2);
-		
+
 		_drag_source = this;
 	}
 
@@ -336,22 +336,22 @@ private:
 		cairo_rectangle (cr, 0, 0, w, h);
 		cairo_fill (cr);
 		cairo_destroy (cr);
-		
+
 		return false;
 	}
-	
+
 	void drag_data_get (Glib::RefPtr<Gdk::DragContext> const &, Gtk::SelectionData & selection_data, guint, guint, T* child)
 	{
 		selection_data.set (selection_data.get_target(), 8, (const guchar *) &child, sizeof (&child));
 	}
-	
+
 	void drag_data_received (
 		Glib::RefPtr<Gdk::DragContext> const & context, int /*x*/, int y, Gtk::SelectionData const & selection_data, guint /*info*/, guint time
 		)
 	{
 		/* work out where it was dropped */
 		std::pair<T*, double> const drop = get_child_at_position (y);
-		
+
 		if (_drag_source == this) {
 
 			/* dropped from ourselves onto ourselves */
@@ -364,7 +364,7 @@ private:
 
 				/* where in the list this child should be dropped */
 				int target = drop.second + 0.5;
-				
+
 				/* find out whether the child was `picked up' from before the drop position */
 				int n = 0;
 				typename std::list<T*>::const_iterator i = _children.begin ();
@@ -372,31 +372,31 @@ private:
 					++i;
 					++n;
 				}
-				
+
 				/* if so, adjust the drop position to account for this */
 				if (n < target) {
 					--target;
 				}
-				
+
 				_internal_vbox.reorder_child (child->widget(), target);
 			}
-			
+
 		} else {
-			
+
 			/* drag started in another DnDVBox; raise a signal to say what happened */
-			
+
 			std::list<T*> dropped = _drag_source->selection ();
 			DropFromAnotherBox (_drag_source, drop.first, context);
 		}
-		
+
 		context->drag_finish (false, false, time);
 	}
-	
+
 	void drag_end (Glib::RefPtr<Gdk::DragContext> const &, T *)
 	{
 		delete _drag_icon;
 		_drag_icon = 0;
-		
+
 		_drag_child = 0;
 		remove_placeholder ();
 
@@ -474,7 +474,7 @@ private:
 		if (child) {
 			_expecting_unwanted_button_event = true;
 		}
-			
+
 		if (ev->button == 1 || ev->button == 3) {
 
 			if (!selected (child)) {
@@ -492,7 +492,7 @@ private:
 						if (selecting && !was_selected) {
 							add_to_selection (*i);
 						}
-						
+
 						if (!selecting && !done) {
 							if (selected (*i)) {
 								selecting = true;
@@ -509,19 +509,19 @@ private:
 					}
 
 				} else {
-						
+
 					if ((ev->state & Gdk::CONTROL_MASK) == 0) {
 						clear_selection ();
 					}
-					
+
 					if (child) {
 						add_to_selection (child);
 					}
 
 				}
-				
+
 				SelectionChanged (); /* EMIT SIGNAL */
-				
+
 			} else {
 				/* XXX THIS NEEDS GENERALIZING FOR OS X */
 				if (ev->button == 1 && (ev->state & Gdk::CONTROL_MASK)) {
@@ -535,7 +535,7 @@ private:
 
 		return ButtonPress (ev, child); /* EMIT SIGNAL */
 	}
-	
+
 	bool button_release (GdkEventButton* ev, T* child)
 	{
 		if (_expecting_unwanted_button_event == true && child == 0) {
@@ -565,7 +565,7 @@ private:
 			setup_child_state (*i);
 		}
 	}
-	
+
 	void add_to_selection (T* child)
 	{
 		if ( !child->is_selectable() )
@@ -583,21 +583,21 @@ private:
 			setup_child_state (c);
 		}
 	}
-		
+
 	T* child_from_widget (Gtk::Widget const * w) const
 	{
 		typename std::list<T*>::const_iterator i = _children.begin();
 		while (i != _children.end() && &(*i)->widget() != w) {
 			++i;
 		}
-		
+
 		if (i == _children.end()) {
 			return 0;
 		}
 
 		return *i;
 	}
-	
+
 	Gtk::VBox _internal_vbox;
 	std::list<Gtk::TargetEntry> _targets;
 	std::list<T*> _children;
@@ -611,12 +611,12 @@ private:
 	Gtk::Label* _placeholder;
 	/** Our child being dragged, or 0 */
 	T* _drag_child;
-	
+
 	static DnDVBox* _drag_source;
-	
+
 };
 
 template <class T>
 DnDVBox<T>* DnDVBox<T>::_drag_source = 0;
-	
+
 }
diff --git a/libs/gtkmm2ext/gtkmm2ext/focus_entry.h b/libs/gtkmm2ext/gtkmm2ext/focus_entry.h
index cc0c2ef73a..2dce03cb2b 100644
--- a/libs/gtkmm2ext/gtkmm2ext/focus_entry.h
+++ b/libs/gtkmm2ext/gtkmm2ext/focus_entry.h
@@ -30,7 +30,7 @@ class LIBGTKMM2EXT_API FocusEntry : public Gtk::Entry
 {
   public:
 	FocusEntry ();
-	
+
   protected:
 	bool on_button_press_event (GdkEventButton*);
 	bool on_button_release_event (GdkEventButton*);
diff --git a/libs/gtkmm2ext/gtkmm2ext/grouped_buttons.h b/libs/gtkmm2ext/gtkmm2ext/grouped_buttons.h
index 06e7fffe83..15b01bff4f 100644
--- a/libs/gtkmm2ext/gtkmm2ext/grouped_buttons.h
+++ b/libs/gtkmm2ext/gtkmm2ext/grouped_buttons.h
@@ -36,7 +36,7 @@ class LIBGTKMM2EXT_API GroupedButtons : public sigc::trackable
   public:
 	GroupedButtons (uint32_t nbuttons, uint32_t first_active);
 	GroupedButtons (std::vector<Gtk::ToggleButton *>&);
-	
+
 	Gtk::ToggleButton& button (uint32_t which) {
 		return *buttons[which];
 	}
diff --git a/libs/gtkmm2ext/gtkmm2ext/gtk_ui.h b/libs/gtkmm2ext/gtkmm2ext/gtk_ui.h
index cc0d67b2ec..868f71fd8d 100644
--- a/libs/gtkmm2ext/gtkmm2ext/gtk_ui.h
+++ b/libs/gtkmm2ext/gtkmm2ext/gtk_ui.h
@@ -167,7 +167,7 @@ class LIBGTKMM2EXT_API UI : public AbstractUI<UIRequest>
 	sigc::signal<void> theme_changed;
 
 	static bool just_hide_it (GdkEventAny *, Gtk::Window *);
-	
+
   protected:
 	virtual void handle_fatal (const char *);
 	virtual void display_message (const char *prefix, gint prefix_len,
diff --git a/libs/gtkmm2ext/gtkmm2ext/keyboard.h b/libs/gtkmm2ext/gtkmm2ext/keyboard.h
index 73c9ad7d42..fca5d9f817 100644
--- a/libs/gtkmm2ext/gtkmm2ext/keyboard.h
+++ b/libs/gtkmm2ext/gtkmm2ext/keyboard.h
@@ -145,7 +145,7 @@ class LIBGTKMM2EXT_API Keyboard : public sigc::trackable, PBD::Stateful
 	static void set_insert_note_button (guint);
 	static guint insert_note_modifier() { return insert_note_mod; }
 	static void set_insert_note_modifier(guint);
-	
+
 	static bool is_edit_event (GdkEventButton*);
 	static bool is_delete_event (GdkEventButton*);
 	static bool is_insert_note_event (GdkEventButton*);
diff --git a/libs/gtkmm2ext/gtkmm2ext/motionfeedback.h b/libs/gtkmm2ext/gtkmm2ext/motionfeedback.h
index ee3ba167a5..91e7a67a7e 100644
--- a/libs/gtkmm2ext/gtkmm2ext/motionfeedback.h
+++ b/libs/gtkmm2ext/gtkmm2ext/motionfeedback.h
@@ -103,7 +103,7 @@ class LIBGTKMM2EXT_API MotionFeedback : public Gtk::VBox
 	   to a display value (0.0 .. 1.0)
 	*/
 	virtual double to_display_value (double) = 0;
-	
+
 	virtual double adjust (double nominal_delta) = 0;
 
   private:
@@ -130,5 +130,5 @@ class LIBGTKMM2EXT_API MotionFeedback : public Gtk::VBox
 };
 
 } /* namespace */
-	
+
 #endif // __gtkmm2ext_motion_feedback_h__
diff --git a/libs/gtkmm2ext/gtkmm2ext/persistent_tooltip.h b/libs/gtkmm2ext/gtkmm2ext/persistent_tooltip.h
index 0ad9439fa8..9883fd2020 100644
--- a/libs/gtkmm2ext/gtkmm2ext/persistent_tooltip.h
+++ b/libs/gtkmm2ext/gtkmm2ext/persistent_tooltip.h
@@ -34,7 +34,7 @@ class LIBGTKMM2EXT_API PersistentTooltip : public sigc::trackable
   public:
 	PersistentTooltip (Gtk::Widget *, bool draggable = false, int margin_y = 0);
 	virtual ~PersistentTooltip ();
-	
+
 	void set_tip (std::string);
 	void set_font (Pango::FontDescription font);
 	void set_center_alignment (bool align_to_center);
diff --git a/libs/gtkmm2ext/gtkmm2ext/pixscroller.h b/libs/gtkmm2ext/gtkmm2ext/pixscroller.h
index 50586a9028..0a0d2593c7 100644
--- a/libs/gtkmm2ext/gtkmm2ext/pixscroller.h
+++ b/libs/gtkmm2ext/gtkmm2ext/pixscroller.h
@@ -60,7 +60,7 @@ class LIBGTKMM2EXT_API PixScroller : public Gtk::DrawingArea
 	double grab_start;
 	int overall_height;
 	bool dragging;
-	
+
 	float default_value;
 
 	void adjustment_changed ();
diff --git a/libs/gtkmm2ext/gtkmm2ext/scroomer.h b/libs/gtkmm2ext/gtkmm2ext/scroomer.h
index 5d9ca69801..4d957b4868 100644
--- a/libs/gtkmm2ext/gtkmm2ext/scroomer.h
+++ b/libs/gtkmm2ext/gtkmm2ext/scroomer.h
@@ -56,7 +56,7 @@ public:
 
 	void set_min_page_size(double page_size);
 	int get_handle_size() { return handle_size; }
-	
+
 	inline int position_of(Component comp) { return position[comp]; }
 
 	sigc::signal0<void> DragStarting;
diff --git a/libs/gtkmm2ext/gtkmm2ext/slider_controller.h b/libs/gtkmm2ext/gtkmm2ext/slider_controller.h
index 460f4a88ae..e756180eaf 100644
--- a/libs/gtkmm2ext/gtkmm2ext/slider_controller.h
+++ b/libs/gtkmm2ext/gtkmm2ext/slider_controller.h
@@ -81,4 +81,4 @@ class LIBGTKMM2EXT_API HSliderController : public SliderController
 
 }; /* namespace */
 
-#endif // __gtkmm2ext_slider_controller_h__		
+#endif // __gtkmm2ext_slider_controller_h__
diff --git a/libs/gtkmm2ext/gtkmm2ext/textviewer.h b/libs/gtkmm2ext/gtkmm2ext/textviewer.h
index 98d13a2a7d..51af88c005 100644
--- a/libs/gtkmm2ext/gtkmm2ext/textviewer.h
+++ b/libs/gtkmm2ext/gtkmm2ext/textviewer.h
@@ -48,7 +48,7 @@ class LIBGTKMM2EXT_API TextViewer : public Gtk::Window, public Transmitter
 
 	void insert_file (const std::string &);
 	void scroll_to_bottom ();
-	
+
 	void deliver ();
 };
 
diff --git a/libs/gtkmm2ext/gtkmm2ext/utils.h b/libs/gtkmm2ext/gtkmm2ext/utils.h
index 0182fec456..62ffba3b9c 100644
--- a/libs/gtkmm2ext/gtkmm2ext/utils.h
+++ b/libs/gtkmm2ext/gtkmm2ext/utils.h
@@ -58,16 +58,16 @@ namespace Gtkmm2ext {
 
 	LIBGTKMM2EXT_API void get_ink_pixel_size (Glib::RefPtr<Pango::Layout>,
 						  int& width, int& height);
-	
+
 
 	LIBGTKMM2EXT_API void get_pixel_size (Glib::RefPtr<Pango::Layout>,
 					      int& width, int& height);
-	
+
 	LIBGTKMM2EXT_API void set_size_request_to_display_given_text (Gtk::Widget &w,
 								      const gchar *text,
 								      gint hpadding,
 								      gint vpadding);
-	
+
 	LIBGTKMM2EXT_API void set_size_request_to_display_given_text_width (Gtk::Widget& w,
 	                                                                    const gchar* htext,
 	                                                                    gint         hpadding,
@@ -108,7 +108,7 @@ namespace Gtkmm2ext {
 
 	LIBGTKMM2EXT_API bool set_active_text_if_present (Gtk::ComboBoxText&,
 	                          const std::string);
-	
+
 	template<class T> /*LIBGTKMM2EXT_API*/ void deferred_delete (void *ptr) {
 		delete static_cast<T *> (ptr);
 	}
@@ -131,7 +131,7 @@ namespace Gtkmm2ext {
         LIBGTKMM2EXT_API void container_clear (Gtk::Container&);
 
 	/* C++ API for rounded rectangles */
-	
+
         LIBGTKMM2EXT_API void rounded_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r=10);
         LIBGTKMM2EXT_API void rounded_top_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r=10);
         LIBGTKMM2EXT_API void rounded_top_left_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r=10);
diff --git a/libs/gtkmm2ext/gtkmm2ext/widget_state.h b/libs/gtkmm2ext/gtkmm2ext/widget_state.h
index 3e873f303b..bb8bd375f0 100644
--- a/libs/gtkmm2ext/gtkmm2ext/widget_state.h
+++ b/libs/gtkmm2ext/gtkmm2ext/widget_state.h
@@ -14,7 +14,7 @@ namespace Gtkmm2ext {
 		ExplicitActive,
 		ImplicitActive,
 	};
-	
+
 	enum LIBGTKMM2EXT_API VisualState {
 		/* these can be OR-ed together */
 		NoVisualState = 0x0,
diff --git a/libs/gtkmm2ext/idle_adjustment.cc b/libs/gtkmm2ext/idle_adjustment.cc
index 37bb28c1a2..6f5fd13294 100644
--- a/libs/gtkmm2ext/idle_adjustment.cc
+++ b/libs/gtkmm2ext/idle_adjustment.cc
@@ -44,14 +44,14 @@ void
 IdleAdjustment::underlying_adjustment_value_changed ()
 {
 	last_vc = g_get_monotonic_time();
-	
+
 	if (timeout_queued) {
 		return;
 	}
 
 	Glib::signal_timeout().connect(mem_fun(*this, &IdleAdjustment::timeout_handler), 250);
 	timeout_queued = true;
-}	
+}
 
 gint
 IdleAdjustment::timeout_handler ()
diff --git a/libs/gtkmm2ext/keyboard.cc b/libs/gtkmm2ext/keyboard.cc
index b0d952a11a..b08a1e4f8c 100644
--- a/libs/gtkmm2ext/keyboard.cc
+++ b/libs/gtkmm2ext/keyboard.cc
@@ -644,7 +644,7 @@ Keyboard::reset_bindings ()
 
 		string new_path = user_keybindings_path;
 		new_path += ".old";
-		
+
 		if (::g_rename (user_keybindings_path.c_str(), new_path.c_str())) {
 			error << string_compose (_("Cannot rename your own keybinding file (%1)"), strerror (errno)) << endmsg;
 			return -1;
diff --git a/libs/gtkmm2ext/motionfeedback.cc b/libs/gtkmm2ext/motionfeedback.cc
index 458aeeff3b..08436ac6bf 100644
--- a/libs/gtkmm2ext/motionfeedback.cc
+++ b/libs/gtkmm2ext/motionfeedback.cc
@@ -96,7 +96,7 @@ MotionFeedback::MotionFeedback (Glib::RefPtr<Gdk::Pixbuf> pix,
 		value = new Label;
 		value->set_justify (Gtk::JUSTIFY_RIGHT);
 		value->show ();
-		
+
                 value_packer->add (*value);
 
 		hpacker = manage (new HBox);
@@ -198,7 +198,7 @@ MotionFeedback::pixwin_button_release_event (GdkEventButton *ev)
 			_controllable->set_value (_controllable->lower ());
 		}
 		break;
-		
+
 	case 3:
 		if (pixwin.has_grab()) {
 			if (grab_is_fine) {
@@ -329,7 +329,7 @@ MotionFeedback::pixwin_key_press_event (GdkEventKey *ev)
 		_controllable->set_value (_controllable->upper());
 		break;
 	}
-	
+
 	return retval;
 }
 
@@ -343,7 +343,7 @@ MotionFeedback::pixwin_expose_event (GdkEventExpose*)
 	GdkWindow *window = pixwin.get_window()->gobj();
 	double display_val = to_display_value (_controllable->get_value());
 	int32_t phase = lrint (display_val * 64.0);
-	
+
 	// skip middle phase except for true middle value
 
 	if (type == Rotary && phase == 32) {
@@ -496,30 +496,30 @@ MotionFeedback::render_pixbuf (int size)
 	GdkColor dark;
 	GdkColor bright;
 	ProlooksHSV* hsv;
-		
+
 	hsv = prolooks_hsv_new_for_gdk_color (base_color->gobj());
 	bright = (prolooks_hsv_to_gdk_color (hsv, &col2), col2);
 	prolooks_hsv_set_saturation (hsv, 0.66);
 	prolooks_hsv_set_value (hsv, 0.67);
 	dark = (prolooks_hsv_to_gdk_color (hsv, &col3), col3);
-		
+
 	cairo_surface_t *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, size * 64, size);
 	cairo_t* cr = cairo_create (surface);
-		
+
 	for (int i = 0; i < 64; ++i) {
 		cairo_save (cr);
 		core_draw (cr, i, size, 20, size*i, 0, &bright, &dark);
 		cairo_restore (cr);
 	}
-		
+
 	if (cairo_surface_write_to_png (surface, path) != CAIRO_STATUS_SUCCESS) {
 		error << string_compose (_("motionfeedback: could not save image set to %1"), path) << endmsg;
 		return pixbuf;
 	}
-		
+
 	cairo_destroy (cr);
 	cairo_surface_destroy (surface);
-		
+
 	try {
 		pixbuf = Gdk::Pixbuf::create_from_file (path);
 	} catch (const Gdk::PixbufError &e) {
@@ -530,7 +530,7 @@ MotionFeedback::render_pixbuf (int size)
 
 	g_unlink (path);
 	g_free (path);
-	
+
 	return pixbuf;
 }
 
@@ -593,7 +593,7 @@ MotionFeedback::core_draw (cairo_t* cr, int phase, double size, double progress_
 	cairo_arc (cr, xc, yc, progress_radius, start_angle, end_angle);
 	cairo_stroke (cr);
 
-	
+
 	float r = (value) * (((float)bright->red)/G_MAXUINT16) + (1.0-value)*(((float)dark->red)/G_MAXUINT16);
 	float g = (value) * (((float)bright->green)/G_MAXUINT16) + (1.0-value)*(((float)dark->green)/G_MAXUINT16);
 	float b = (value) * (((float)bright->blue)/G_MAXUINT16) + (1.0-value)*(((float)dark->blue)/G_MAXUINT16);
@@ -612,7 +612,7 @@ MotionFeedback::core_draw (cairo_t* cr, int phase, double size, double progress_
 	cairo_arc (cr, xc, yc, progress_radius_outer-1, 0, 2.0*G_PI);
 	cairo_fill (cr);
 	cairo_pattern_destroy (shade_pattern);
-		
+
 	//black border
 	cairo_set_source_rgb (cr, 0, 0, 0 );
 	cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
@@ -640,7 +640,7 @@ MotionFeedback::core_draw (cairo_t* cr, int phase, double size, double progress_
 	cairo_set_source_rgba (cr, 0.3, 0.3, 0.3, 1 );
 	cairo_arc (cr, xc, yc, progress_radius_inner-1, 0, 2.0*G_PI);
 	cairo_fill (cr);
-		
+
 	//knob shade
 	shade_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, progress_radius_outer);
 	cairo_pattern_add_color_stop_rgba (shade_pattern, 0, 1,1,1, 0.5);
@@ -649,7 +649,7 @@ MotionFeedback::core_draw (cairo_t* cr, int phase, double size, double progress_
 	cairo_arc (cr, xc, yc, progress_radius_inner-1, 0, 2.0*G_PI);
 	cairo_fill (cr);
 	cairo_pattern_destroy (shade_pattern);
-		
+
 	//inner circle
 	cairo_set_source_rgba (cr, 0.3, 0.3, 0.3, 0.5 );
 	cairo_arc (cr, xc, yc, progress_radius_inner-5, 0, 2.0*G_PI);
diff --git a/libs/gtkmm2ext/persistent_tooltip.cc b/libs/gtkmm2ext/persistent_tooltip.cc
index 88be6ef100..c7cb3f4df2 100644
--- a/libs/gtkmm2ext/persistent_tooltip.cc
+++ b/libs/gtkmm2ext/persistent_tooltip.cc
@@ -138,7 +138,7 @@ PersistentTooltip::show ()
 			_window->set_transient_for (*tlw);
 		}
 	}
-	
+
 	set_tip (_tip);
 
 	if (!_window->is_visible ()) {
@@ -146,7 +146,7 @@ PersistentTooltip::show ()
 		int sw = gdk_screen_width ();
 
 		_target->get_window()->get_origin (rx, ry);
-		
+
 		/* the window needs to be realized first
 		 * for _window->get_width() to be correct.
 		 */
diff --git a/libs/gtkmm2ext/pixscroller.cc b/libs/gtkmm2ext/pixscroller.cc
index 570d04c1c3..55bbef8c80 100644
--- a/libs/gtkmm2ext/pixscroller.cc
+++ b/libs/gtkmm2ext/pixscroller.cc
@@ -104,7 +104,7 @@ PixScroller::on_expose_event (GdkEventExpose* ev)
                 context->paint();
                 context->restore();
 	}
-	
+
 	if (gdk_rectangle_intersect (sliderrect.gobj(), &ev->area, &intersect)) {
 
                 context->save();
@@ -136,7 +136,7 @@ PixScroller::on_button_press_event (GdkEventButton* ev)
 	default:
 		break;
 	}
-			
+
 
 	return false;
 }
@@ -145,7 +145,7 @@ bool
 PixScroller::on_button_release_event (GdkEventButton* ev)
 {
 	double scale;
-	
+
 	if (ev->state & Keyboard::PrimaryModifier) {
 		if (ev->state & Keyboard::SecondaryModifier) {
 			scale = 0.05;
@@ -195,7 +195,7 @@ bool
 PixScroller::on_scroll_event (GdkEventScroll* ev)
 {
 	double scale;
-	
+
 	if (ev->state & Keyboard::PrimaryModifier) {
 		if (ev->state & Keyboard::SecondaryModifier) {
 			scale = 0.05;
@@ -235,7 +235,7 @@ PixScroller::on_motion_notify_event (GdkEventMotion* ev)
 			grab_window = ev->window;
 			return true;
 		}
-		
+
 		if (ev->state & Keyboard::PrimaryModifier) {
 			if (ev->state & Keyboard::SecondaryModifier) {
 				scale = 0.05;
@@ -253,7 +253,7 @@ PixScroller::on_motion_notify_event (GdkEventMotion* ev)
 
 		fract = min (1.0, fract);
 		fract = max (-1.0, fract);
-		
+
 		fract = -fract;
 
 		adj.set_value (adj.get_value() + scale * fract * (adj.get_upper() - adj.get_lower()));
diff --git a/libs/gtkmm2ext/popup.cc b/libs/gtkmm2ext/popup.cc
index 028490f11e..898211c986 100644
--- a/libs/gtkmm2ext/popup.cc
+++ b/libs/gtkmm2ext/popup.cc
@@ -101,7 +101,7 @@ PopUp::touch ()
 		set_size_request_to_display_given_text (label, my_text.c_str(), 25, 10);
 		label.set_text (my_text);
 		show_all ();
-		
+
 		if (popdown_time != 0) {
 			timeout = g_timeout_add (popdown_time,
 						   remove_prompt_timeout,
@@ -137,7 +137,7 @@ PopUp::on_delete_event (GdkEventAny* /*ev*/)
 
 	if (popdown_time != 0 && timeout != -1) {
 		g_source_remove (timeout);
-	}	
+	}
 
 	if (delete_on_hide) {
 		std::cerr << "deleting prompter\n" << endl;
diff --git a/libs/gtkmm2ext/prompter.cc b/libs/gtkmm2ext/prompter.cc
index 03cfb25be4..1f5e13b923 100644
--- a/libs/gtkmm2ext/prompter.cc
+++ b/libs/gtkmm2ext/prompter.cc
@@ -52,7 +52,7 @@ Prompter::init ()
 	set_type_hint (Gdk::WINDOW_TYPE_HINT_DIALOG);
 	set_position (Gtk::WIN_POS_MOUSE);
 	set_name ("Prompter");
-	
+
 	add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
 
 	/*
@@ -62,7 +62,7 @@ Prompter::init ()
 	   set_response_sensitive (Gtk::RESPONSE_ACCEPT, false)
 	   to prevent the RESPONSE_ACCEPT button from permitting blank strings.
 	*/
-	
+
 	entryLabel.set_line_wrap (true);
 	entryLabel.set_name ("PrompterLabel");
 
@@ -74,7 +74,7 @@ Prompter::init ()
 
 	get_vbox()->pack_start (entryBox);
 	show_all_children();
-}	
+}
 
 void
 Prompter::on_show ()
@@ -117,7 +117,7 @@ Prompter::entry_activated ()
 	} else {
 		response (Gtk::RESPONSE_CANCEL);
 	}
-}		
+}
 
 void
 Prompter::on_entry_changed ()
diff --git a/libs/gtkmm2ext/scroomer.cc b/libs/gtkmm2ext/scroomer.cc
index 9b56706d21..69944b4bc7 100644
--- a/libs/gtkmm2ext/scroomer.cc
+++ b/libs/gtkmm2ext/scroomer.cc
@@ -111,29 +111,29 @@ Scroomer::on_motion_notify_event (GdkEventMotion* ev)
 		unzoomed_page += scale * fract * range;
 		unzoomed_page = min(unzoomed_page, adj.get_upper() - unzoomed_val);
 		unzoomed_page = max(unzoomed_page, min_page_size);
-		
+
 		if (pinch){
 			temp = unzoomed_val + unzoomed_page;
 			unzoomed_val -= scale * fract * range * 0.5;
 			unzoomed_val = min(unzoomed_val, temp - min_page_size);
 			unzoomed_val = max(unzoomed_val, adj.get_lower());
 		}
-		
+
 		break;
 	case Handle2:
 		temp = unzoomed_val + unzoomed_page;
 		unzoomed_val += scale * fract * range;
 		unzoomed_val = min(unzoomed_val, temp - min_page_size);
 		unzoomed_val = max(unzoomed_val, adj.get_lower());
-		
+
 		unzoomed_page = temp - unzoomed_val;
-		
+
 		if (pinch){
-			
+
 			unzoomed_page -= scale * fract * range;
 		}
-		
-		unzoomed_page = min(unzoomed_page, adj.get_upper() - unzoomed_val);		
+
+		unzoomed_page = min(unzoomed_page, adj.get_upper() - unzoomed_val);
 		unzoomed_page = max(unzoomed_page, min_page_size);
 		break;
 	default:
@@ -145,10 +145,10 @@ Scroomer::on_motion_notify_event (GdkEventMotion* ev)
 	 * We don't start doing zoom until we are at least one scroomer width outside the scroomer's
 	 * area.
 	 */
-	
+
 	if (ev->x > (get_width() * 2)) {
 		zoom = ev->x - get_width();
-		
+
 		double higher = unzoomed_val + unzoomed_page - half_min_page - val_at_pointer;
 		double lower = val_at_pointer - (unzoomed_val + half_min_page);
 
@@ -204,7 +204,7 @@ Scroomer::on_motion_notify_event (GdkEventMotion* ev)
 	adj.set_page_size (rint (page));
 	adj.set_value (rint (val));
 	adj.value_changed();
-	
+
 	return true;
 }
 
@@ -241,7 +241,7 @@ Scroomer::on_button_press_event (GdkEventButton* ev)
 		unzoomed_val = adj.get_value();
 		unzoomed_page = adj.get_page_size();
 		grab_window = ev->window;
-		
+
 		if (ev->button == 3){
 			pinch = true;
 		} else {
@@ -250,7 +250,7 @@ Scroomer::on_button_press_event (GdkEventButton* ev)
 
 		DragStarting (); /* EMIT SIGNAL */
 	}
-	
+
 	if (ev->type == GDK_2BUTTON_PRESS && ev->button == 1) {
 		DoubleClicked();
 	}
@@ -289,7 +289,7 @@ Scroomer::on_button_release_event (GdkEventButton* ev)
 	default:
 		break;
 	}
-	
+
 	grab_comp = None;
 
 	remove_modal_grab();
diff --git a/libs/gtkmm2ext/selector.cc b/libs/gtkmm2ext/selector.cc
index 55499967d1..04fbd13001 100644
--- a/libs/gtkmm2ext/selector.cc
+++ b/libs/gtkmm2ext/selector.cc
@@ -157,7 +157,7 @@ Selector::chosen ()
 {
 	Glib::RefPtr<Gtk::TreeSelection> tree_sel = tview.get_selection();
 	Gtk::TreeModel::iterator iter = tree_sel->get_selected();
-	
+
 	if (iter) {
 		choice_made (new Result (tview, tree_sel));
 	} else {
diff --git a/libs/gtkmm2ext/sync-menu.c b/libs/gtkmm2ext/sync-menu.c
index c37fb6c3c4..14933e5119 100644
--- a/libs/gtkmm2ext/sync-menu.c
+++ b/libs/gtkmm2ext/sync-menu.c
@@ -340,7 +340,7 @@ carbon_menu_item_update_accelerator (CarbonMenuItem *carbon_item,
 		  default:
 			  break;
 		  }
-	
+
 		  if (realkey != -1) {
 			  SetMenuItemCommandKey (carbon_item->menu, carbon_item->index,
 						 false, realkey);
@@ -381,7 +381,7 @@ carbon_menu_item_update_accelerator (CarbonMenuItem *carbon_item,
 		  }
 
 		  /* gdk/quartz maps Command to Meta */
-		
+
 		  if (key->accel_mods & GDK_META_MASK) {
 			  use_command = 1;
 		  }
diff --git a/libs/gtkmm2ext/tearoff.cc b/libs/gtkmm2ext/tearoff.cc
index 9890f80ceb..dbe5c3dc5c 100644
--- a/libs/gtkmm2ext/tearoff.cc
+++ b/libs/gtkmm2ext/tearoff.cc
@@ -65,7 +65,7 @@ TearOff::TearOff (Widget& c, bool allow_resize)
 	VBox* box1;
 	box1 = manage (new VBox);
 	box1->pack_start (close_event_box, false, false, 2);
-	
+
 	window_box.pack_end (*box1, false, false, 2);
 
 	own_window.add_events (KEY_PRESS_MASK|KEY_RELEASE_MASK|BUTTON_PRESS_MASK|BUTTON_RELEASE_MASK|POINTER_MOTION_MASK|POINTER_MOTION_HINT_MASK);
@@ -73,7 +73,7 @@ TearOff::TearOff (Widget& c, bool allow_resize)
 	own_window.set_type_hint (WINDOW_TYPE_HINT_UTILITY);
 
 	own_window.add (window_box);
-	
+
 	own_window.signal_button_press_event().connect (mem_fun (*this, &TearOff::window_button_press));
 	own_window.signal_button_release_event().connect (mem_fun (*this, &TearOff::window_button_release));
 	own_window.signal_motion_notify_event().connect (mem_fun (*this, &TearOff::window_motion));
@@ -171,7 +171,7 @@ TearOff::close_click (GdkEventButton* /*ev*/)
 {
         put_it_back ();
 	return true;
-}		
+}
 
 void
 TearOff::put_it_back ()
@@ -232,7 +232,7 @@ TearOff::window_motion (GdkEventMotion* ev)
 	double x_delta;
 	double y_delta;
 	RefPtr<Gdk::Window> win (own_window.get_window());
-	
+
 	own_window.get_pointer (mx, my);
 
 	if (!dragging) {
@@ -250,10 +250,10 @@ TearOff::window_motion (GdkEventMotion* ev)
 
 	win->get_root_origin (x, y);
 	win->move ((gint) floor (x + x_delta), (gint) floor (y + y_delta));
-	
+
 	drag_x = ev->x_root;
 	drag_y = ev->y_root;
-	
+
 	return true;
 }
 
diff --git a/libs/gtkmm2ext/textviewer.cc b/libs/gtkmm2ext/textviewer.cc
index e62725acb4..995cbc8eaa 100644
--- a/libs/gtkmm2ext/textviewer.cc
+++ b/libs/gtkmm2ext/textviewer.cc
@@ -108,7 +108,7 @@ TextViewer::scroll_to_bottom ()
  	adj = scrollwin.get_vadjustment();
  	adj->set_value (MAX(0,(adj->get_upper() - adj->get_page_size())));
 }
-	
+
 void
 TextViewer::deliver ()
 
diff --git a/libs/gtkmm2ext/utils.cc b/libs/gtkmm2ext/utils.cc
index 24940c718c..4cfc0b26a0 100644
--- a/libs/gtkmm2ext/utils.cc
+++ b/libs/gtkmm2ext/utils.cc
@@ -53,7 +53,7 @@ Gtkmm2ext::get_ink_pixel_size (Glib::RefPtr<Pango::Layout> layout,
 			       int& height)
 {
 	Pango::Rectangle ink_rect = layout->get_ink_extents ();
-	
+
 	width = PANGO_PIXELS(ink_rect.get_width());
 	height = PANGO_PIXELS(ink_rect.get_height());
 }
@@ -72,7 +72,7 @@ Gtkmm2ext::set_size_request_to_display_given_text (Gtk::Widget &w, const gchar *
 {
 	int width, height;
 	w.ensure_style ();
-	
+
 	get_pixel_size (w.create_pango_layout (text), width, height);
 	w.set_size_request(width + hpadding, height + vpadding);
 }
@@ -117,7 +117,7 @@ Gtkmm2ext::set_size_request_to_display_given_text (Gtk::Widget &w, std::string c
 {
 	int width, height;
 	w.ensure_style ();
-	
+
 	get_pixel_size (w.create_pango_layout (text), width, height);
 	w.set_size_request(width + hpadding, height + vpadding);
 }
@@ -141,7 +141,7 @@ Gtkmm2ext::set_size_request_to_display_given_text (Gtk::Widget &w,
                         break;
                 }
         }
-	
+
         if (i == strings.end()) {
                 /* make a copy of the strings then add one that has a descender */
                 copy = strings;
@@ -150,7 +150,7 @@ Gtkmm2ext::set_size_request_to_display_given_text (Gtk::Widget &w,
         } else {
                 to_use = &strings;
         }
-	
+
 	for (vector<string>::const_iterator i = to_use->begin(); i != to_use->end(); ++i) {
 		get_pixel_size (w.create_pango_layout (*i), width, height);
 		width_max = max(width_max,width);
@@ -211,7 +211,7 @@ Gtkmm2ext::convert_bgra_to_rgba (guint8 const* src,
 {
 	guint8 const* src_pixel = src;
 	guint8*       dst_pixel = dst;
-	
+
         /* cairo pixel data is endian-dependent ARGB with A in the most significant 8 bits,
            with premultipled alpha values (see preceding function)
 
@@ -251,7 +251,7 @@ Gtkmm2ext::convert_bgra_to_rgba (guint8 const* src,
 
 #else
 #error ardour does not currently support PDP-endianess
-#endif			
+#endif
 
                         dst_pixel += 4;
                         src_pixel += 4;
@@ -277,16 +277,16 @@ Gtkmm2ext::pixbuf_from_string(const string& name, const Pango::FontDescription&
 	cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, clip_width, clip_height);
 	cairo_t* cr = cairo_create (surface);
 	cairo_text_extents_t te;
-	
+
 	cairo_set_source_rgba (cr, fg.get_red_p(), fg.get_green_p(), fg.get_blue_p(), 1.0);
 	cairo_select_font_face (cr, font.get_family().c_str(),
 				CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
 	cairo_set_font_size (cr,  font.get_size() / Pango::SCALE);
 	cairo_text_extents (cr, name.c_str(), &te);
-	
+
 	cairo_move_to (cr, 0.5, int (0.5 - te.height / 2 - te.y_bearing + clip_height / 2));
 	cairo_show_text (cr, name.c_str());
-	
+
 	convert_bgra_to_rgba(cairo_image_surface_get_data (surface), buf->get_pixels(), clip_width, clip_height);
 
 	cairo_destroy(cr);
@@ -765,10 +765,10 @@ Gtkmm2ext::fit_to_pixels (const string& str, int pixel_width, Pango::FontDescrip
 
 	/* XXX: might need special care to get the ellipsis character, not sure
            how that works
-	*/	
+	*/
 
 	string s = string (layout->get_text ().substr(line->get_start_index(), line->get_length()));
-	
+
 	cerr << "fit to pixels of " << str << " returns " << s << endl;
 
 	return s;
diff --git a/libs/gtkmm2ext/window_title.cc b/libs/gtkmm2ext/window_title.cc
index 11342ab1d7..eaf25a9f74 100644
--- a/libs/gtkmm2ext/window_title.cc
+++ b/libs/gtkmm2ext/window_title.cc
@@ -24,7 +24,7 @@
 using namespace std;
 
 namespace {
-	
+
 // I don't know if this should be translated.
 const char* const title_separator = X_(" - ");
 
-- 
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