NOOP, remove trailing tabs/whitespace.

23 files changed, 78 insertions, 78 deletions

diff --git a/libs/canvas/canvas/arc.h b/libs/canvas/canvas/arc.h
index 95bd157cbf..76342c3985 100644
--- a/libs/canvas/canvas/arc.h
+++ b/libs/canvas/canvas/arc.h
@@ -63,7 +63,7 @@ private:
         double _arc_degrees;
         double _start_degrees;
 };
-	
+
 }
 
 #endif
diff --git a/libs/canvas/canvas/arrow.h b/libs/canvas/canvas/arrow.h
index 6617e13bd2..ba74fa90e7 100644
--- a/libs/canvas/canvas/arrow.h
+++ b/libs/canvas/canvas/arrow.h
@@ -44,7 +44,7 @@ class Polygon;
  *  @todo Draws vertical lines only; could be generalised
  *  to draw lines at any angle.
  */
-	
+
 class LIBCANVAS_API Arrow : public Container
 {
 public:
@@ -66,7 +66,7 @@ public:
 	void set_x (Coord);
 	void set_y0 (Coord);
 	void set_y1 (Coord);
-	
+
         bool covers (Duple const &) const;
 
 private:
diff --git a/libs/canvas/canvas/canvas.h b/libs/canvas/canvas/canvas.h
index c812f8a869..87e580e046 100644
--- a/libs/canvas/canvas/canvas.h
+++ b/libs/canvas/canvas/canvas.h
@@ -59,7 +59,7 @@ class ScrollGroup;
  *  of screen pixels, with an origin of (0, 0) at the top left.  x increases
  *  rightwards and y increases downwards.
  */
-	
+
 class LIBCANVAS_API Canvas
 {
 public:
@@ -153,7 +153,7 @@ public:
 	/** Set the timeout used to display tooltips, in milliseconds
 	 */
 	static void set_tooltip_timeout (uint32_t msecs);
-	
+
 protected:
 	Root  _root;
         Color _bg_color;
@@ -205,7 +205,7 @@ protected:
 	bool on_motion_notify_event (GdkEventMotion *);
         bool on_enter_notify_event (GdkEventCrossing*);
         bool on_leave_notify_event (GdkEventCrossing*);
-	
+
 	bool button_handler (GdkEventButton *);
 	bool motion_notify_handler (GdkEventMotion *);
         bool deliver_event (GdkEvent *);
@@ -228,7 +228,7 @@ private:
 	Item * _grabbed_item;
         /** the item that currently has key focus or 0 */
 	Item * _focused_item;
-	
+
 	bool _single_exposure;
 
 	sigc::connection tooltip_timeout_connection;
diff --git a/libs/canvas/canvas/circle.h b/libs/canvas/canvas/circle.h
index c84e3aceec..64ce2ea62d 100644
--- a/libs/canvas/canvas/circle.h
+++ b/libs/canvas/canvas/circle.h
@@ -31,7 +31,7 @@ class LIBCANVAS_API Circle : public Arc
 	Circle (Canvas*);
 	Circle (Item*);
 };
-	
+
 }
 
 #endif
diff --git a/libs/canvas/canvas/colors.h b/libs/canvas/canvas/colors.h
index 331010e639..2a3cbb2060 100644
--- a/libs/canvas/canvas/colors.h
+++ b/libs/canvas/canvas/colors.h
@@ -59,11 +59,11 @@ class LIBCANVAS_API SVAModifier
 	double s() const { return _s; }
 	double v() const { return _v; }
 	double a() const { return _a; }
-	
+
 	HSV operator () (HSV& hsv) const;
 	std::string to_string () const;
 	void from_string (std::string const &);
-	
+
   private:
 	Type type;
 	double _s;
@@ -77,7 +77,7 @@ struct LIBCANVAS_API HSV
 	HSV (double h, double s, double v, double a = 1.0);
 	HSV (Color);
 	HSV (const std::string&);
-	
+
 	double h;
 	double s;
 	double v;
@@ -85,12 +85,12 @@ struct LIBCANVAS_API HSV
 
 	std::string to_string() const;
 	bool is_gray() const;
-	
+
 	Color color() const { return hsva_to_color (h,s, v, a); }
 	operator Color() const { return color(); }
 
 	HSV mod (SVAModifier const & svam);
-	
+
 	HSV operator+ (const HSV&) const;
 	HSV operator- (const HSV&) const;
 
diff --git a/libs/canvas/canvas/fill.h b/libs/canvas/canvas/fill.h
index 9eddeec6b6..42160a6190 100644
--- a/libs/canvas/canvas/fill.h
+++ b/libs/canvas/canvas/fill.h
@@ -50,7 +50,7 @@ public:
 	}
 
         typedef std::vector<std::pair<double,Color> > StopList;
-	
+
         void set_gradient (StopList const & stops, bool is_vertical);
 
         void set_pattern (Cairo::RefPtr<Cairo::Pattern>);
diff --git a/libs/canvas/canvas/flag.h b/libs/canvas/canvas/flag.h
index 82f257b7d2..ed7bc7cacb 100644
--- a/libs/canvas/canvas/flag.h
+++ b/libs/canvas/canvas/flag.h
@@ -41,7 +41,7 @@ public:
 	void set_font_description (Pango::FontDescription);
 
         bool covers (Duple const &) const;
-	
+
 private:
 	void setup (Distance height, Duple position);
 
@@ -52,5 +52,5 @@ private:
 	Rectangle* _rectangle;
 	bool _invert;
 };
-	
+
 }
diff --git a/libs/canvas/canvas/item.h b/libs/canvas/canvas/item.h
index 098816cd4a..e92fc7fb4b 100644
--- a/libs/canvas/canvas/item.h
+++ b/libs/canvas/canvas/item.h
@@ -36,7 +36,7 @@
 
 namespace ArdourCanvas
 {
-struct Rect;	
+struct Rect;
 
 class Canvas;
 class ScrollGroup;
@@ -51,7 +51,7 @@ class ScrollGroup;
  *  Any item that is being displayed on a canvas has a pointer to that canvas,
  *  and all except the `root group' have a pointer to their parent group.
  */
-	
+
 class LIBCANVAS_API Item : public Fill, public Outline
 {
 public:
@@ -97,7 +97,7 @@ public:
 
 	void grab ();
 	void ungrab ();
-	
+
 	void unparent ();
 	void reparent (Item *);
 
@@ -176,7 +176,7 @@ public:
 	}
 
 	bool visible () const;
-	
+
 	/** @return Our canvas, or 0 if we are not attached to one */
 	Canvas* canvas () const {
 		return _canvas;
@@ -204,7 +204,7 @@ public:
 
 	static int default_items_per_cell;
 
-	
+
 	/* This is a sigc++ signal because it is solely
 	   concerned with GUI stuff and is thus single-threaded
 	*/
@@ -223,23 +223,23 @@ public:
 			return false;
 		}
 	};
-	
+
         sigc::signal1<bool, GdkEvent*, EventAccumulator<bool> > Event;
 
 #ifdef CANVAS_DEBUG
 	std::string name;
 #endif
-	
+
 #ifdef CANVAS_COMPATIBILITY
 	void grab_focus ();
-#endif	
+#endif
 
 	const std::string& tooltip () const { return _tooltip; }
 	void set_tooltip (const std::string&);
 
 	void start_tooltip_timeout ();
 	void stop_tooltip_timeout ();
-	
+
         virtual void dump (std::ostream&) const;
         std::string whatami() const;
 
diff --git a/libs/canvas/canvas/line.h b/libs/canvas/canvas/line.h
index b178554c84..bd58887604 100644
--- a/libs/canvas/canvas/line.h
+++ b/libs/canvas/canvas/line.h
@@ -60,7 +60,7 @@ class LIBCANVAS_API Line : public Item
 private:
 	Duple _points[2];
 };
-	
+
 }
 
 #endif
diff --git a/libs/canvas/canvas/line_set.h b/libs/canvas/canvas/line_set.h
index fad100fdf9..c305cceab5 100644
--- a/libs/canvas/canvas/line_set.h
+++ b/libs/canvas/canvas/line_set.h
@@ -51,7 +51,7 @@ public:
 
 	struct Line {
 		Line (Coord p, Distance width_, Color color_) : pos (p), width (width_), color (color_) {}
-		
+
 		Coord pos;
 		Distance width;
 		Color color;
diff --git a/libs/canvas/canvas/lookup_table.h b/libs/canvas/canvas/lookup_table.h
index cf52633524..2877f7a727 100644
--- a/libs/canvas/canvas/lookup_table.h
+++ b/libs/canvas/canvas/lookup_table.h
@@ -43,7 +43,7 @@ public:
     virtual bool has_item_at_point (Duple const & point) const = 0;
 
 protected:
-	
+
     Item const & _item;
 };
 
diff --git a/libs/canvas/canvas/outline.h b/libs/canvas/canvas/outline.h
index 474501c8c7..38f8eb2e32 100644
--- a/libs/canvas/canvas/outline.h
+++ b/libs/canvas/canvas/outline.h
@@ -46,7 +46,7 @@ public:
 	Distance outline_width () const {
 		return _outline_width;
 	}
-	
+
 	virtual void set_outline_width (Distance);
 
 	bool outline () const {
diff --git a/libs/canvas/canvas/poly_item.h b/libs/canvas/canvas/poly_item.h
index 732adb14b3..bdb7c20b1a 100644
--- a/libs/canvas/canvas/poly_item.h
+++ b/libs/canvas/canvas/poly_item.h
@@ -45,7 +45,7 @@ protected:
 
 	Points _points;
 };
-	
+
 }
 
 #endif
diff --git a/libs/canvas/canvas/poly_line.h b/libs/canvas/canvas/poly_line.h
index 04b05f5df1..fce013dfd6 100644
--- a/libs/canvas/canvas/poly_line.h
+++ b/libs/canvas/canvas/poly_line.h
@@ -31,11 +31,11 @@ class LIBCANVAS_API PolyLine : public PolyItem
   public:
 	PolyLine (Canvas*);
 	PolyLine (Item*);
-	
+
 	void render (Rect const & area, Cairo::RefPtr<Cairo::Context>) const;
 
 	virtual void set_steps (Points const &, bool stepped);
-	
+
         bool covers (Duple const &) const;
 	/**
 	 * Set the distance at which a point will be considered to be covered
@@ -47,7 +47,7 @@ class LIBCANVAS_API PolyLine : public PolyItem
   private:
 	double _threshold;
 };
-	
+
 }
 
 #endif
diff --git a/libs/canvas/canvas/polygon.h b/libs/canvas/canvas/polygon.h
index e0e6b1a1f7..65fcdde981 100644
--- a/libs/canvas/canvas/polygon.h
+++ b/libs/canvas/canvas/polygon.h
@@ -45,7 +45,7 @@ public:
 
     void cache_shape_computation () const;
 };
-	
+
 }
 
 #endif
diff --git a/libs/canvas/canvas/rectangle.h b/libs/canvas/canvas/rectangle.h
index c40d3fccb0..8b65940454 100644
--- a/libs/canvas/canvas/rectangle.h
+++ b/libs/canvas/canvas/rectangle.h
@@ -34,7 +34,7 @@ public:
 	Rectangle (Canvas*, Rect const &);
 	Rectangle (Item*);
 	Rectangle (Item*, Rect const &);
-	
+
 	void render (Rect const &, Cairo::RefPtr<Cairo::Context>) const;
 	void compute_bounding_box () const;
 
diff --git a/libs/canvas/canvas/root_group.h b/libs/canvas/canvas/root_group.h
index 1763fc11df..1d2c516b8b 100644
--- a/libs/canvas/canvas/root_group.h
+++ b/libs/canvas/canvas/root_group.h
@@ -29,7 +29,7 @@ class LIBCANVAS_API Root : public Container
 {
 private:
 	friend class Canvas;
-	
+
 	Root (Canvas *);
 
 	void compute_bounding_box () const;
diff --git a/libs/canvas/canvas/ruler.h b/libs/canvas/canvas/ruler.h
index 0a6a13e078..0a2e43587e 100644
--- a/libs/canvas/canvas/ruler.h
+++ b/libs/canvas/canvas/ruler.h
@@ -28,7 +28,7 @@
 
 namespace ArdourCanvas
 {
-	
+
 class LIBCANVAS_API Ruler : public Rectangle
 {
 public:
@@ -42,7 +42,7 @@ public:
 		double position;
 		Style  style;
 	};
-	
+
 	struct Metric {
 		Metric () : units_per_pixel (0) {}
 		virtual ~Metric() {}
@@ -51,15 +51,15 @@ public:
 
 		/* lower and upper and sample positions, which are also canvas coordinates
 		 */
-		
+
 		virtual void get_marks (std::vector<Mark>&, double lower, double upper, int maxchars) const = 0;
 	};
-	
+
 	Ruler (Canvas*, const Metric& m);
 	Ruler (Canvas*, const Metric& m, Rect const&);
 	Ruler (Item*, const Metric& m);
 	Ruler (Item*, const Metric& m, Rect const&);
-	
+
 	void set_range (double lower, double upper);
 	void set_font_description (Pango::FontDescription);
 	void set_metric (const Metric&);
diff --git a/libs/canvas/canvas/scroll_group.h b/libs/canvas/canvas/scroll_group.h
index fd9b2388d4..0317662006 100644
--- a/libs/canvas/canvas/scroll_group.h
+++ b/libs/canvas/canvas/scroll_group.h
@@ -34,7 +34,7 @@ class LIBCANVAS_API ScrollGroup : public Container
 		ScrollsVertically = 0x1,
 		ScrollsHorizontally = 0x2
 	};
-	
+
 	ScrollGroup (Canvas*, ScrollSensitivity);
 	ScrollGroup (Item*, ScrollSensitivity);
 
diff --git a/libs/canvas/canvas/tracking_text.h b/libs/canvas/canvas/tracking_text.h
index 901e5c2925..744e5370fb 100644
--- a/libs/canvas/canvas/tracking_text.h
+++ b/libs/canvas/canvas/tracking_text.h
@@ -29,7 +29,7 @@ class LIBCANVAS_API TrackingText : public Text
   public:
 	TrackingText (Canvas*);
 	TrackingText (Item*);
-	
+
 	void show_and_track (bool track_x, bool track_y);
 	void set_offset (Duple const &);
 	void set_x_offset (double);
diff --git a/libs/canvas/canvas/types.h b/libs/canvas/canvas/types.h
index c43be9bbdd..a92d637925 100644
--- a/libs/canvas/canvas/types.h
+++ b/libs/canvas/canvas/types.h
@@ -60,12 +60,12 @@ struct LIBCANVAS_API Duple
 		: x (0)
 		, y (0)
 	{}
-	
+
 	Duple (Coord x_, Coord y_)
 		: x (x_)
 		, y (y_)
 	{}
-		
+
 	Coord x;
 	Coord y;
 
@@ -104,14 +104,14 @@ struct LIBCANVAS_API Rect
 		, x1 (0)
 		, y1 (0)
 	{}
-	
+
 	Rect (Coord x0_, Coord y0_, Coord x1_, Coord y1_)
 		: x0 (x0_)
 		, y0 (y0_)
 		, x1 (x1_)
 		, y1 (y1_)
 	{}
-		
+
 	Coord x0;
 	Coord y0;
 	Coord x1;
@@ -120,14 +120,14 @@ struct LIBCANVAS_API Rect
 	boost::optional<Rect> intersection (Rect const & o) const throw () {
 		Rect i (std::max (x0, o.x0), std::max (y0, o.y0),
 			std::min (x1, o.x1), std::min (y1, o.y1));
-		
+
 		if (i.x0 > i.x1 || i.y0 > i.y1) {
 			return boost::optional<Rect> ();
 		}
-		
+
 		return boost::optional<Rect> (i);
 	}
-		
+
 	Rect extend (Rect const & o) const throw () {
 		return Rect (std::min (x0, o.x0), std::min (y0, o.y0),
 			     std::max (x1, o.x1), std::max (y1, o.y1));
@@ -150,7 +150,7 @@ struct LIBCANVAS_API Rect
 		return Rect (canvas_safe_add (x0, amount), canvas_safe_add (y0, amount),
 			     x1 - amount, y1 - amount);
 	}
-		
+
 	bool contains (Duple const & point) const throw () {
 		return point.x >= x0 && point.x < x1 && point.y >= y0 && point.y < y1;
 	}
@@ -158,7 +158,7 @@ struct LIBCANVAS_API Rect
 		return Rect (std::min (x0, x1), std::min (y0, y1),
 			     std::max (x0, x1), std::max (y0, y1));
 	}
-		
+
 	bool empty() const throw () { return (x0 == x1 && y0 == y1); }
 
 	Distance width () const  throw () {
@@ -181,5 +181,5 @@ extern LIBCANVAS_API std::ostream & operator<< (std::ostream &, Rect const &);
 typedef std::vector<Duple> Points;
 
 }
-	
+
 #endif
diff --git a/libs/canvas/canvas/wave_view.h b/libs/canvas/canvas/wave_view.h
index 20c3ad5cce..8dfd988b6b 100644
--- a/libs/canvas/canvas/wave_view.h
+++ b/libs/canvas/canvas/wave_view.h
@@ -42,7 +42,7 @@ namespace Gdk {
 }
 
 class WaveViewTest;
-	
+
 namespace ArdourCanvas {
 
 struct LIBCANVAS_API WaveViewThreadRequest
@@ -55,10 +55,10 @@ struct LIBCANVAS_API WaveViewThreadRequest
         };
 
 	WaveViewThreadRequest  () : stop (0) {}
-	
+
 	bool should_stop () const { return (bool) g_atomic_int_get (const_cast<gint*>(&stop)); }
 	void cancel() { g_atomic_int_set (&stop, 1); }
-	
+
 	RequestType type;
 	framepos_t start;
 	framepos_t end;
@@ -71,9 +71,9 @@ struct LIBCANVAS_API WaveViewThreadRequest
 	boost::weak_ptr<const ARDOUR::Region> region;
 
 	/* resulting image, after request has been satisfied */
-	
+
 	Cairo::RefPtr<Cairo::ImageSurface> image;
-	
+
   private:
 	gint stop; /* intended for atomic access */
 };
@@ -85,7 +85,7 @@ class LIBCANVAS_API WaveViewCache
   public:
 	WaveViewCache();
 	~WaveViewCache();
-	
+
 	struct Entry {
 
 		/* these properties define the cache entry as unique.
@@ -111,7 +111,7 @@ class LIBCANVAS_API WaveViewCache
 
 		/* last time the cache entry was used */
 		uint64_t timestamp;
-		
+
 		Entry (int chan, Coord hght, float amp, Color fcl, double spp, framepos_t strt, framepos_t ed,
 		       Cairo::RefPtr<Cairo::ImageSurface> img)
 			: channel (chan)
@@ -127,10 +127,10 @@ class LIBCANVAS_API WaveViewCache
 	uint64_t image_cache_threshold () const { return _image_cache_threshold; }
 	void set_image_cache_threshold (uint64_t);
 	void clear_cache ();
-	
+
 	void add (boost::shared_ptr<ARDOUR::AudioSource>, boost::shared_ptr<Entry>);
 	void use (boost::shared_ptr<ARDOUR::AudioSource>, boost::shared_ptr<Entry>);
-	
+
         void consolidate_image_cache (boost::shared_ptr<ARDOUR::AudioSource>,
                                       int channel,
                                       Coord height,
@@ -196,18 +196,18 @@ public:
 
 	Cairo::RefPtr<Cairo::ImageSurface> _image;
 	PBD::Signal0<void> ImageReady;
-	
+
 	/* Displays a single channel of waveform data for the given Region.
 
 	   x = 0 in the waveview corresponds to the first waveform datum taken
 	   from region->start() samples into the source data.
-	
+
 	   x = N in the waveview corresponds to the (N * spp)'th sample
 	   measured from region->start() into the source data.
-	
+
 	   when drawing, we will map the zeroth-pixel of the waveview
 	   into a window.
-	
+
 	   The waveview itself contains a set of pre-rendered Cairo::ImageSurfaces
 	   that cache sections of the display. This is filled on-demand and
 	   never cleared until something explicitly marks the cache invalid
@@ -235,10 +235,10 @@ public:
 	 * want this behaviour.
 	 */
 	void set_start_shift (double pixels);
-	
+
         void set_fill_color (Color);
         void set_outline_color (Color);
-	
+
 	void region_resized ();
         void gain_changed ();
 
@@ -277,8 +277,8 @@ public:
 	static void stop_drawing_thread ();
 
 	static void set_image_cache_size (uint64_t);
-	
-#ifdef CANVAS_COMPATIBILITY	
+
+#ifdef CANVAS_COMPATIBILITY
 	void*& property_gain_src () {
 		return _foo_void;
 	}
@@ -312,7 +312,7 @@ public:
         double _amplitude_above_axis;
 	float  _region_amplitude;
 	double _start_shift;
-	
+
 	/** The `start' value to use for the region; we can't use the region's
 	 *  value as the crossfade editor needs to alter it.
 	 */
@@ -340,14 +340,14 @@ public:
 	   keep updating (e.g. while recording)
 	*/
 	bool always_get_image_in_thread;
-	
+
 	/** Set to true by render(). Used so that we know if the wave view
 	 * has actually been displayed on screen. ::set_height() when this
 	 * is true does not use get_image_in_thread, because it implies
 	 * that the height is being set BEFORE the waveview is drawn.
 	 */
 	mutable bool rendered;
-	
+
         PBD::ScopedConnectionList invalidation_connection;
         PBD::ScopedConnection     image_ready_connection;
 
@@ -364,14 +364,14 @@ public:
 
         boost::shared_ptr<WaveViewCache::Entry> get_image (framepos_t start, framepos_t end, bool& full_image) const;
         boost::shared_ptr<WaveViewCache::Entry> get_image_from_cache (framepos_t start, framepos_t end, bool& full_image) const;
-	
+
         struct LineTips {
 	        double top;
 	        double bot;
 	        double spread;
 	        bool clip_max;
 	        bool clip_min;
-	
+
 	        LineTips() : top (0.0), bot (0.0), clip_max (false), clip_min (false) {}
         };
 
@@ -382,7 +382,7 @@ public:
 
         void draw_image (Cairo::RefPtr<Cairo::ImageSurface>&, ARDOUR::PeakData*, int n_peaks, boost::shared_ptr<WaveViewThreadRequest>) const;
 	void draw_absent_image (Cairo::RefPtr<Cairo::ImageSurface>&, ARDOUR::PeakData*, int) const;
-	
+
         void cancel_my_render_request () const;
 
         void queue_get_image (boost::shared_ptr<const ARDOUR::Region> region, framepos_t start, framepos_t end) const;
@@ -394,7 +394,7 @@ public:
         mutable boost::shared_ptr<WaveViewCache::Entry> _current_image;
 
 	mutable boost::shared_ptr<WaveViewThreadRequest> current_request;
-	
+
 	static WaveViewCache* images;
 
 	static void drawing_thread ();
diff --git a/libs/canvas/canvas/widget.h b/libs/canvas/canvas/widget.h
index 590bb3af7d..127862037c 100644
--- a/libs/canvas/canvas/widget.h
+++ b/libs/canvas/canvas/widget.h
@@ -33,7 +33,7 @@ class LIBCANVAS_API Widget : public Item
 public:
 	Widget (Canvas*, CairoWidget&);
 	Widget (Item*, CairoWidget&);
-	
+
 	void render (Rect const &, Cairo::RefPtr<Cairo::Context>) const;
 	void compute_bounding_box () const;