one big refactor

1 files changed, 0 insertions, 1216 deletions

diff --git a/src/play-button.c b/src/play-button.c
deleted file mode 100644
index 2ee304a..0000000
--- a/src/play-button.c
+++ /dev/null
@@ -1,1216 +0,0 @@
-/*
-Copyright 2010 Canonical Ltd.
-
-Authors:
-    Conor Curran <conor.curran@canonical.com>
-    Mirco Müller <mirco.mueller@canonical.com>
-
-This program is free software: you can redistribute it and/or modify it 
-under the terms of the GNU General Public License version 3, as published 
-by the Free Software Foundation.
-
-This program is distributed in the hope that it will be useful, but 
-WITHOUT ANY WARRANTY; without even the implied warranties of 
-MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR 
-PURPOSE.  See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License along 
-with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-Uses code from ctk
-*/
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <math.h>
-#include "play-button.h"
-
-#define RECT_WIDTH 130.0f
-#define Y 7.0f
-#define X 37.0f
-#define INNER_RADIUS 12.5
-#define	MIDDLE_RADIUS 13.5f
-#define OUTER_RADIUS  14.5f
-#define CIRCLE_RADIUS 21.0f
-#define PREV_WIDTH  25.0f
-#define PREV_HEIGHT 17.0f
-#define	NEXT_WIDTH  25.0f //PREV_WIDTH
-#define NEXT_HEIGHT 17.0f //PREV_HEIGHT
-#define TRI_WIDTH  11.0f
-#define TRI_HEIGHT 13.0f
-#define TRI_OFFSET  6.0f
-#define PREV_X 35.0f
-#define PREV_Y 13.0f
-#define NEXT_X 113.0f
-#define NEXT_Y 13.0f //prev_y
-#define PAUSE_WIDTH 21.0f
-#define PAUSE_HEIGHT 27.0f
-#define BAR_WIDTH 4.5f
-#define BAR_HEIGHT 24.0f
-#define BAR_OFFSET 10.0f
-#define PAUSE_X 78.0f
-#define	PAUSE_Y 7.0f
-#define PLAY_WIDTH 28.0f
-#define PLAY_HEIGHT 29.0f
-#define PLAY_PADDING 5.0f
-#define INNER_START_SHADE 0.98
-#define INNER_END_SHADE 0.98
-#define MIDDLE_START_SHADE 0.7
-#define MIDDLE_END_SHADE 1.4
-#define OUTER_START_SHADE 0.96
-#define OUTER_END_SHADE 0.96
-#define BUTTON_START_SHADE 1.1
-#define BUTTON_END_SHADE 0.9
-#define BUTTON_SHADOW_SHADE 0.8
-#define INNER_COMPRESSED_START_SHADE 0.95
-#define INNER_COMPRESSED_END_SHADE 1.05
-
-
-typedef struct _PlayButtonPrivate PlayButtonPrivate;
-
-struct _PlayButtonPrivate
-{
-	GdkColor 				background_colour_fg;
-	GdkColor 				background_colour_bg_dark;
-	GdkColor 				background_colour_bg_light;
-	GdkColor 				foreground_colour_fg;
-	GdkColor 				foreground_colour_bg;
-	PlayButtonEvent current_command;
-	PlayButtonState current_state;
-	GHashTable* 		command_coordinates;	
-};
-
-typedef struct
-{
-	double r;
-	double g;
-	double b;
-} CairoColorRGB;
-
-
-#define PLAY_BUTTON_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), PLAY_BUTTON_TYPE, PlayButtonPrivate))
-
-/* Gobject boiler plate */
-static void play_button_class_init (PlayButtonClass *klass);
-static void play_button_init       (PlayButton *self);
-static void play_button_dispose    (GObject *object);
-static void play_button_finalize   (GObject *object);
-
-static gboolean play_button_expose (GtkWidget *button, GdkEventExpose *event);
-
-static void draw (GtkWidget* button, cairo_t *cr);
-
-G_DEFINE_TYPE (PlayButton, play_button, GTK_TYPE_MENU_ITEM);
-
-
-/// GObject functions //////////////////////////////////////////////////////////
-
-static void
-play_button_class_init (PlayButtonClass *klass)
-{	
-	GObjectClass	*gobject_class = G_OBJECT_CLASS (klass);
- 	GtkWidgetClass* widget_class = GTK_WIDGET_CLASS (klass);
-
-	g_type_class_add_private (klass, sizeof (PlayButtonPrivate));
-
- 	widget_class->expose_event = play_button_expose;
-
-	gobject_class->dispose = play_button_dispose;
-	gobject_class->finalize = play_button_finalize;
-}
-
-static void
-play_button_init (PlayButton *self)
-{
-	PlayButtonPrivate* priv = PLAY_BUTTON_GET_PRIVATE(self);	
-	priv->current_command	= TRANSPORT_NADA;
-	priv->current_state = PAUSE;
-	priv->command_coordinates =  g_hash_table_new_full(g_direct_hash,
-	                                             				g_direct_equal,
-	                                             				NULL,
-	                                             				(GDestroyNotify)g_list_free);
-	GList* previous_list = NULL;
-	previous_list = g_list_insert(previous_list, GINT_TO_POINTER(15), 0);
-	previous_list = g_list_insert(previous_list, GINT_TO_POINTER(5), 1);
-	previous_list = g_list_insert(previous_list, GINT_TO_POINTER(60), 2);
-	previous_list = g_list_insert(previous_list, GINT_TO_POINTER(34), 3);
-	
-  g_hash_table_insert(priv->command_coordinates,
-                      GINT_TO_POINTER(TRANSPORT_PREVIOUS),
-                      previous_list);
-                     
-	GList* play_list = NULL;
-	play_list = g_list_insert(play_list, GINT_TO_POINTER(58), 0);
-	play_list = g_list_insert(play_list, GINT_TO_POINTER(0), 1);
-	play_list = g_list_insert(play_list, GINT_TO_POINTER(50), 2);
-	play_list = g_list_insert(play_list, GINT_TO_POINTER(43), 3);
-
-	g_hash_table_insert(priv->command_coordinates,
-                      GINT_TO_POINTER(TRANSPORT_PLAY_PAUSE),
-                      play_list);
-
-	GList* next_list = NULL;
-	next_list = g_list_insert(next_list, GINT_TO_POINTER(100), 0);
-	next_list = g_list_insert(next_list, GINT_TO_POINTER(5), 1);
-	next_list = g_list_insert(next_list, GINT_TO_POINTER(60), 2);
-	next_list = g_list_insert(next_list, GINT_TO_POINTER(34), 3);
-
-	g_hash_table_insert(priv->command_coordinates,
-                      GINT_TO_POINTER(TRANSPORT_NEXT),
-                      next_list);
-	
-	gtk_widget_set_size_request(GTK_WIDGET(self), 200, 50);
-  
-}
-
-static void
-play_button_dispose (GObject *object)
-{
-	G_OBJECT_CLASS (play_button_parent_class)->dispose (object);
-}
-
-static void
-play_button_finalize (GObject *object)
-{
-	G_OBJECT_CLASS (play_button_parent_class)->finalize (object);
-}
-
-static gboolean
-play_button_expose (GtkWidget *button, GdkEventExpose *event)
-{
-	cairo_t *cr;
-	cr = gdk_cairo_create (button->window);
-
-	//GtkAllocation alloc;
-	//gtk_widget_get_allocation (metadata, &alloc);
-/*  */
-/*  g_debug("In the playbutton's expose method, x = %i, y=%i and width: %i and height: %i'");*/
-/*	cairo_rectangle (cr,*/
-/*                   event->area.x, event->area.y,*/
-/*                   event->area.width, event->area.height);*/
-
-/*	cairo_clip(cr);*/
-	draw (button, cr);
-
-	cairo_destroy (cr);
-	return FALSE;
-}
-
-
-PlayButtonEvent
-determine_button_event(GtkWidget* button, GdkEventButton* event)
-{
-	g_debug("event x coordinate = %f", event->x);
-	g_debug("event y coordinate = %f", event->y);
-	PlayButtonEvent button_event = TRANSPORT_NADA;
-	// For now very simple rectangular collision detection
-	if(event->x > 67 && event->x < 112
-	   && event->y > 12 && event->y < 40){
-		button_event = TRANSPORT_PREVIOUS;
-	}
-	else if(event->x > 111 && event->x < 153
-	   && event->y > 5 && event->y < 47){
-		button_event = TRANSPORT_PLAY_PAUSE;	
-	}
-	else if(event->x > 152 && event->x < 197
-	   && event->y > 12 && event->y < 40){
-		button_event = TRANSPORT_NEXT;
-	}	
-	return button_event;
-  
-}
-
-void 
-play_button_react_to_button_press(GtkWidget* button, PlayButtonEvent command)
-{
-	g_return_if_fail(IS_PLAY_BUTTON(button));
-	PlayButtonPrivate* priv = PLAY_BUTTON_GET_PRIVATE(button);
-	priv->current_command = command;
-		
-	cairo_t *cr;
-	cr = gdk_cairo_create (button->window);
-
-	draw (button, cr);
-	cairo_destroy (cr);
-}
-
-
-void 
-play_button_react_to_button_release(GtkWidget* button, PlayButtonEvent command)
-{
-	g_return_if_fail(IS_PLAY_BUTTON(button));
-	PlayButtonPrivate* priv = PLAY_BUTTON_GET_PRIVATE(button);	
-	if(priv->current_command == TRANSPORT_NADA){
-		g_debug("returning from the playbutton release because my previous command was nada");
-		return;
-	}
-	else if(priv->current_command != TRANSPORT_NADA &&
-	        command != TRANSPORT_NADA){						
-		priv->current_command = command;
-	}
-
-	cairo_t *cr;
-	
-	cr = gdk_cairo_create (button->window);
-
-	priv->current_command = TRANSPORT_NADA;
-
-	draw (button, cr);
-	cairo_destroy (cr);
-}    
-
-void
-play_button_toggle_play_pause(GtkWidget* button, PlayButtonState update)
-{
-	PlayButtonPrivate* priv = PLAY_BUTTON_GET_PRIVATE(button);
-	priv->current_state = update;
-	g_debug("PlayButton::toggle play state : %i", priv->current_state); 
-	gtk_widget_queue_draw (GTK_WIDGET(button));
-}
-
-
-void
-play_button_set_style(GtkWidget* button, GtkStyle* style)
-{
-	PlayButtonPrivate* priv = PLAY_BUTTON_GET_PRIVATE(button);
-	priv->background_colour_fg = style->fg[GTK_STATE_NORMAL];
-	priv->background_colour_bg_dark = style->bg[GTK_STATE_NORMAL];
-	priv->background_colour_bg_light = style->base[GTK_STATE_NORMAL];
-	priv->foreground_colour_fg = style->fg[GTK_STATE_PRELIGHT];
-	priv->foreground_colour_bg = style->bg[GTK_STATE_NORMAL];
-}
-
-/// internal helper functions //////////////////////////////////////////////////
-
-static void
-draw_gradient (cairo_t* cr,
-               double   x,
-               double   y,
-               double   w,
-               double   r,
-               double*  rgba_start,
-               double*  rgba_end)
-{
-	cairo_pattern_t* pattern = NULL;
-
-	cairo_move_to (cr, x, y);
-	cairo_line_to (cr, x + w - 2.0f * r, y);
-	cairo_arc (cr,
-		   x + w - 2.0f * r,
-		   y + r,
-		   r,
-		   -90.0f * G_PI / 180.0f,
-		   90.0f * G_PI / 180.0f);
-	cairo_line_to (cr, x, y + 2.0f * r);
-	cairo_arc (cr,
-		   x,
-		   y + r,
-		   r,
-		   90.0f * G_PI / 180.0f,
-		   270.0f * G_PI / 180.0f);
-	cairo_close_path (cr);
-
-	pattern = cairo_pattern_create_linear (x, y, x, y + 2.0f * r);
-	cairo_pattern_add_color_stop_rgba (pattern,
-	                                   0.0f,
-	                                   rgba_start[0],
-	                                   rgba_start[1],
-	                                   rgba_start[2],
-	                                   rgba_start[3]);
-	cairo_pattern_add_color_stop_rgba (pattern,
-	                                   1.0f,
-	                                   rgba_end[0],
-	                                   rgba_end[1],
-	                                   rgba_end[2],
-	                                   rgba_end[3]);
-	cairo_set_source (cr, pattern);
-	cairo_fill (cr);
-	cairo_pattern_destroy (pattern);
-}
-
-static void
-draw_circle (cairo_t* cr,
-	     double   x,
-	     double   y,
-	     double   r,
-	     double*  rgba_start,
-	     double*  rgba_end)
-{
-	cairo_pattern_t* pattern = NULL;
-
-	cairo_move_to (cr, x, y);
-	cairo_arc (cr,
-		   x + r,
-		   y + r,
-		   r,
-		   0.0f * G_PI / 180.0f,
-		   360.0f * G_PI / 180.0f);
-
-	pattern = cairo_pattern_create_linear (x, y, x, y + 2.0f * r);
-	cairo_pattern_add_color_stop_rgba (pattern,
-	                                   0.0f,
-	                                   rgba_start[0],
-	                                   rgba_start[1],
-	                                   rgba_start[2],
-	                                   rgba_start[3]);
-	cairo_pattern_add_color_stop_rgba (pattern,
-	                                   1.0f,
-	                                   rgba_end[0],
-	                                   rgba_end[1],
-	                                   rgba_end[2],
-	                                   rgba_end[3]);
-	cairo_set_source (cr, pattern);
-	cairo_fill (cr);
-	cairo_pattern_destroy (pattern);
-}
-
-static void
-_setup (cairo_t**         cr,
-	cairo_surface_t** surf,
-	gint              width,
-	gint              height)
-{
-	if (!cr || !surf)
-		return;
-
-	*surf = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
-	*cr = cairo_create (*surf);
-	cairo_scale (*cr, 1.0f, 1.0f);
-	cairo_set_operator (*cr, CAIRO_OPERATOR_CLEAR);
-	cairo_paint (*cr);
-	cairo_set_operator (*cr, CAIRO_OPERATOR_OVER);
-}
-
-static void
-_mask_prev (cairo_t* cr,
-	    double   x,
-	    double   y,
-	    double   tri_width,
-	    double   tri_height,
-	    double   tri_offset)
-{
-	if (!cr)
-		return;
-
-	cairo_move_to (cr, x,             y + tri_height / 2.0f);
-	cairo_line_to (cr, x + tri_width, y);
-	cairo_line_to (cr, x + tri_width, y + tri_height);
-	x += tri_offset;
-	cairo_move_to (cr, x,             y + tri_height / 2.0f);
-	cairo_line_to (cr, x + tri_width, y);
-	cairo_line_to (cr, x + tri_width, y + tri_height);
-	x -= tri_offset;
-	cairo_rectangle (cr, x, y, 2.5f, tri_height);
-	cairo_close_path (cr);	
-}
-
-static void
-_mask_next (cairo_t* cr,
-	    double   x,
-	    double   y,
-	    double   tri_width,
-	    double   tri_height,
-	    double   tri_offset)
-{
-	if (!cr)
-		return;
-
-	cairo_move_to (cr, x,             y);
-	cairo_line_to (cr, x + tri_width, y + tri_height / 2.0f);
-	cairo_line_to (cr, x,             y + tri_height);
-	x += tri_offset;
-	cairo_move_to (cr, x,             y);
-	cairo_line_to (cr, x + tri_width, y + tri_height / 2.0f);
-	cairo_line_to (cr, x,             y + tri_height);
-	x -= tri_offset;
-	x += 2.0f * tri_width - tri_offset - 1.0f;
-	cairo_rectangle (cr, x, y, 2.5f, tri_height);
-
-	cairo_close_path (cr);	
-}
-
-static void
-_mask_pause (cairo_t* cr,
-	     double   x,
-	     double   y,
-	     double   bar_width,
-	     double   bar_height,
-	     double   bar_offset)
-{
-	if (!cr)
-		return;
-
-	cairo_set_line_width (cr, bar_width);
-	cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
-
-	x += bar_width;
-	y += bar_width;
-	cairo_move_to (cr, x,              y);
-	cairo_line_to (cr, x,              y + bar_height);
-	cairo_move_to (cr, x + bar_offset, y);
-	cairo_line_to (cr, x + bar_offset, y + bar_height);
-
-}
-
-static void
-_mask_play (cairo_t* cr,
-	     double   x,
-	     double   y,
-	     double   tri_width,
-	     double   tri_height
-	     /*double   tri_offset*/)
-{
-	if (!cr)
-		return;
-
-	cairo_move_to (cr, x,             y);
-	cairo_line_to (cr, x + tri_width, y + tri_height / 2.0f);
-	cairo_line_to (cr, x,             y + tri_height);
-	cairo_close_path (cr);	
-	
-}
-
-static void
-_fill (cairo_t* cr,
-       double   x_start,
-       double   y_start,
-       double   x_end,
-       double   y_end,
-       double*  rgba_start,
-       double*  rgba_end,
-       gboolean stroke)
-{
-	cairo_pattern_t* pattern = NULL;
-
-	if (!cr || !rgba_start || !rgba_end)
-		return;
-
-	pattern = cairo_pattern_create_linear (x_start, y_start, x_end, y_end);
-	cairo_pattern_add_color_stop_rgba (pattern,
-					   0.0f,
-					   rgba_start[0],
-					   rgba_start[1],
-					   rgba_start[2],
-					   rgba_start[3]);
-	cairo_pattern_add_color_stop_rgba (pattern,
-					   1.0f,
-					   rgba_end[0],
-					   rgba_end[1],
-					   rgba_end[2],
-					   rgba_end[3]);
-	cairo_set_source (cr, pattern);
-	if (stroke)
-		cairo_stroke (cr);
-	else
-		cairo_fill (cr);
-	cairo_pattern_destroy (pattern);
-}
-
-static void
-_finalize (cairo_t*          cr,
-	   cairo_t**         cr_surf,
-	   cairo_surface_t** surf,
-	   double            x,
-	   double            y)
-{
-	if (!cr || !cr_surf || !surf)
-		return;
-
-	cairo_set_source_surface (cr, *surf, x, y);
-	cairo_paint (cr);
-	cairo_surface_destroy (*surf);
-	cairo_destroy (*cr_surf);
-}
-
-static void
-_color_rgb_to_hls (gdouble *r,
-                   gdouble *g,
-                   gdouble *b)
-{
-	gdouble min;
-	gdouble max;
-	gdouble red;
-	gdouble green;
-	gdouble blue;
-	gdouble h, l, s;
-	gdouble delta;
-
-	red = *r;
-	green = *g;
-	blue = *b;
-
-	if (red > green)
-	{
-		if (red > blue)
-			max = red;
-		else
-			max = blue;
-
-		if (green < blue)
-			min = green;
-		else
-		min = blue;
-	}
-	else
-	{
-		if (green > blue)
-			max = green;
-		else
-		max = blue;
-
-		if (red < blue)
-			min = red;
-		else
-			min = blue;
-	}
-	l = (max+min)/2;
-  if (fabs (max-min) < 0.0001)
-  {
-		h = 0;
-		s = 0;
-	}
-	else
-  {
-		if (l <= 0.5)
-		s = (max-min)/(max+min);
-		else
-		s = (max-min)/(2-max-min);
-
-		delta = (max -min) != 0 ? (max -min) : 1;
-    
-    if(delta == 0)
-      delta = 1;
-  	if (red == max)
-			h = (green-blue)/delta;
-		else if (green == max)
-			h = 2+(blue-red)/delta;
-		else if (blue == max)
-			h = 4+(red-green)/delta;
-
-		h *= 60;
-		if (h < 0.0)
-			h += 360;
-	}
-
-	*r = h;
-	*g = l;
-	*b = s;
-}
-
-static void
-_color_hls_to_rgb (gdouble *h,
-                   gdouble *l,
-                   gdouble *s)
-{
-	gdouble hue;
-	gdouble lightness;
-	gdouble saturation;
-	gdouble m1, m2;
-	gdouble r, g, b;
-
-	lightness = *l;
-	saturation = *s;
-
-	if (lightness <= 0.5)
-		m2 = lightness*(1+saturation);
-	else
-		m2 = lightness+saturation-lightness*saturation;
-
-	m1 = 2*lightness-m2;
-
-	if (saturation == 0)
-	{
-		*h = lightness;
-		*l = lightness;
-		*s = lightness;
-	}
-	else
-	{
-		hue = *h+120;
-		while (hue > 360)
-			hue -= 360;
-		while (hue < 0)
-			hue += 360;
-
-		if (hue < 60)
-			r = m1+(m2-m1)*hue/60;
-		else if (hue < 180)
-			r = m2;
-		else if (hue < 240)
-  		r = m1+(m2-m1)*(240-hue)/60;
-		else
-			r = m1;
-
-		hue = *h;
-		while (hue > 360)
-			hue -= 360;
-		while (hue < 0)
-			hue += 360;
-
-		if (hue < 60)
-			g = m1+(m2-m1)*hue/60;
-		else if (hue < 180)
-			g = m2;
-		else if (hue < 240)
-			g = m1+(m2-m1)*(240-hue)/60;
-		else
-			g = m1;
-
-		hue = *h-120;
-		while (hue > 360)
-			hue -= 360;
-		while (hue < 0)
-			hue += 360;
-
-		if (hue < 60)
-			b = m1+(m2-m1)*hue/60;
-		else if (hue < 180)
-			b = m2;
-		else if (hue < 240)
-			b = m1+(m2-m1)*(240-hue)/60;
-		else
-			b = m1;
-
-		*h = r;
-		*l = g;
-		*s = b;
-	}
-}
-
-static void
-_color_shade (const CairoColorRGB *a, float k, CairoColorRGB *b)
-{
-	double red;
-	double green;
-	double blue;
-
-	red   = a->r;
-	green = a->g;
-	blue  = a->b;
-
-	if (k == 1.0)
-	{
-		b->r = red;
-		b->g = green;
-		b->b = blue;
-		return;
-	}
-
-	_color_rgb_to_hls (&red, &green, &blue);
-
-	green *= k;
-	if (green > 1.0)
-		green = 1.0;
-	else if (green < 0.0)
-		green = 0.0;
-
-	blue *= k;
-	if (blue > 1.0)
-		blue = 1.0;
-	else if (blue < 0.0)
-		blue = 0.0;
-
-	_color_hls_to_rgb (&red, &green, &blue);
-
-	b->r = red;
-	b->g = green;
-	b->b = blue;
-}
-
-static inline void
-_blurinner (guchar* pixel,
-	    gint*   zR,
-	    gint*   zG,
-	    gint*   zB,
-	    gint*   zA,
-	    gint    alpha,
-	    gint    aprec,
-	    gint    zprec)
-{
-	gint R;
-	gint G;
-	gint B;
-	guchar A;
-
-	R = *pixel;
-	G = *(pixel + 1);
-	B = *(pixel + 2);
-	A = *(pixel + 3);
-
-	*zR += (alpha * ((R << zprec) - *zR)) >> aprec;
-	*zG += (alpha * ((G << zprec) - *zG)) >> aprec;
-	*zB += (alpha * ((B << zprec) - *zB)) >> aprec;
-	*zA += (alpha * ((A << zprec) - *zA)) >> aprec;
-
-	*pixel       = *zR >> zprec;
-	*(pixel + 1) = *zG >> zprec;
-	*(pixel + 2) = *zB >> zprec;
-	*(pixel + 3) = *zA >> zprec;
-}
-
-static inline void
-_blurrow (guchar* pixels,
-	  gint    width,
-	  gint    height,
-	  gint    channels,
-	  gint    line,
-	  gint    alpha,
-	  gint    aprec,
-	  gint    zprec)
-{
-	gint    zR;
-	gint    zG;
-	gint    zB;
-	gint    zA;
-	gint    index;
-	guchar* scanline;
-
-	scanline = &(pixels[line * width * channels]);
-
-	zR = *scanline << zprec;
-	zG = *(scanline + 1) << zprec;
-	zB = *(scanline + 2) << zprec;
-	zA = *(scanline + 3) << zprec;
-
-	for (index = 0; index < width; index ++)
-		_blurinner (&scanline[index * channels],
-			    &zR,
-			    &zG,
-			    &zB,
-			    &zA,
-			    alpha,
-			    aprec,
-			    zprec);
-
-	for (index = width - 2; index >= 0; index--)
-		_blurinner (&scanline[index * channels],
-			    &zR,
-			    &zG,
-			    &zB,
-			    &zA,
-			    alpha,
-			    aprec,
-			    zprec);
-}
-
-static inline void
-_blurcol (guchar* pixels,
-	  gint    width,
-	  gint    height,
-	  gint    channels,
-	  gint    x,
-	  gint    alpha,
-	  gint    aprec,
-	  gint    zprec)
-{
-	gint zR;
-	gint zG;
-	gint zB;
-	gint zA;
-	gint index;
-	guchar* ptr;
-
-	ptr = pixels;
-
-	ptr += x * channels;
-
-	zR = *((guchar*) ptr    ) << zprec;
-	zG = *((guchar*) ptr + 1) << zprec;
-	zB = *((guchar*) ptr + 2) << zprec;
-	zA = *((guchar*) ptr + 3) << zprec;
-
-	for (index = width; index < (height - 1) * width; index += width)
-		_blurinner ((guchar*) &ptr[index * channels],
-			    &zR,
-			    &zG,
-			    &zB,
-			    &zA,
-			    alpha,
-			    aprec,
-			    zprec);
-
-	for (index = (height - 2) * width; index >= 0; index -= width)
-		_blurinner ((guchar*) &ptr[index * channels],
-			    &zR,
-			    &zG,
-			    &zB,
-			    &zA,
-			    alpha,
-			    aprec,
-			    zprec);
-}
-
-void
-_expblur (guchar* pixels,
-	  gint    width,
-	  gint    height,
-	  gint    channels,
-	  gint    radius,
-	  gint    aprec,
-	  gint    zprec)
-{
-	gint alpha;
-	gint row = 0;
-	gint col = 0;
-
-	if (radius < 1)
-		return;
-
-	// calculate the alpha such that 90% of 
-	// the kernel is within the radius.
-	// (Kernel extends to infinity)
-	alpha = (gint) ((1 << aprec) * (1.0f - expf (-2.3f / (radius + 1.f))));
-
-	for (; row < height; row++)
-		_blurrow (pixels,
-			  width,
-			  height,
-			  channels,
-			  row,
-			  alpha,
-			  aprec,
-			  zprec);
-
-	for(; col < width; col++)
-		_blurcol (pixels,
-			  width,
-			  height,
-			  channels,
-			  col,
-			  alpha,
-			  aprec,
-			  zprec);
-
-	return;
-}
-
-void
-_surface_blur (cairo_surface_t* surface,
-               guint            radius)
-{
-	guchar*        pixels;
-	guint          width;
-	guint          height;
-	cairo_format_t format;
-
-	// before we mess with the surface execute any pending drawing
-	cairo_surface_flush (surface);
-
-	pixels = cairo_image_surface_get_data (surface);
-	width  = cairo_image_surface_get_width (surface);
-	height = cairo_image_surface_get_height (surface);
-	format = cairo_image_surface_get_format (surface);
-
-	switch (format)
-	{
-		case CAIRO_FORMAT_ARGB32:
-			_expblur (pixels, width, height, 4, radius, 16, 7);
-		break;
-
-		case CAIRO_FORMAT_RGB24:
-			_expblur (pixels, width, height, 3, radius, 16, 7);
-		break;
-
-		case CAIRO_FORMAT_A8:
-			_expblur (pixels, width, height, 1, radius, 16, 7);
-		break;
-
-		default :
-			// do nothing
-		break;
-	}
-
-	// inform cairo we altered the surfaces contents
-	cairo_surface_mark_dirty (surface);	
-}
-
-static void
-draw (GtkWidget* button, cairo_t *cr)
-{
-	g_return_if_fail(IS_PLAY_BUTTON(button));
-	PlayButtonPrivate* priv = PLAY_BUTTON_GET_PRIVATE(button);	
-
-	cairo_surface_t*  surf = NULL;
-	cairo_t*       cr_surf = NULL;
-
-	cairo_translate (cr, button->allocation.x, button->allocation.y);
-	
-	g_debug("button x allocation = %i", button->allocation.x);
-	g_debug("button y allocation = %i", button->allocation.y);
-
-	GtkStyle *style;
-
-	CairoColorRGB bg_normal, fg_normal;
-	CairoColorRGB color_inner[2], color_middle[2], color_outer[2], color_button[3], color_inner_compressed[2];
-
-	style = gtk_widget_get_style (button);
-
-	bg_normal.r = style->bg[0].red/65535.0;
-	bg_normal.g = style->bg[0].green/65535.0;
-	bg_normal.b = style->bg[0].blue/65535.0;
-
-	fg_normal.r = style->fg[0].red/65535.0;
-	fg_normal.g = style->fg[0].green/65535.0;
-	fg_normal.b = style->fg[0].blue/65535.0;
-
-	_color_shade (&bg_normal, INNER_START_SHADE, &color_inner[0]);
-	_color_shade (&bg_normal, INNER_END_SHADE, &color_inner[1]);
-	_color_shade (&bg_normal, MIDDLE_START_SHADE, &color_middle[0]);
-	_color_shade (&bg_normal, MIDDLE_END_SHADE, &color_middle[1]);
-	_color_shade (&bg_normal, OUTER_START_SHADE, &color_outer[0]);
-	_color_shade (&bg_normal, OUTER_END_SHADE, &color_outer[1]);
-	_color_shade (&fg_normal, BUTTON_START_SHADE, &color_button[0]);
-	_color_shade (&fg_normal, BUTTON_END_SHADE, &color_button[1]);
-	_color_shade (&bg_normal, BUTTON_SHADOW_SHADE, &color_button[2]);
-	_color_shade (&bg_normal, INNER_COMPRESSED_START_SHADE, &color_inner_compressed[0]);
-	_color_shade (&bg_normal, INNER_COMPRESSED_END_SHADE, &color_inner_compressed[1]);
-
-	double MIDDLE_END[] = {color_middle[0].r, color_middle[0].g, color_middle[0].b, 1.0f};
-	double MIDDLE_START[] = {color_middle[1].r, color_middle[1].g, color_middle[1].b, 1.0f};
-	double OUTER_END[] = {color_outer[0].r, color_outer[0].g, color_outer[0].b, 1.0f};
-	double OUTER_START[] = {color_outer[1].r, color_outer[1].g, color_outer[1].b, 1.0f};
-	double BUTTON_END[] = {color_button[0].r, color_button[0].g, color_button[0].b, 1.0f};
-	double BUTTON_START[] = {color_button[1].r, color_button[1].g, color_button[1].b, 1.0f};
-	double BUTTON_SHADOW[] = {color_button[2].r, color_button[2].g, color_button[2].b, 0.75f};
-	double INNER_COMPRESSED_END[] = {color_inner_compressed[1].r, color_inner_compressed[1].g, color_inner_compressed[1].b, 1.0f};
-	double INNER_COMPRESSED_START[] = {color_inner_compressed[0].r, color_inner_compressed[0].g, color_inner_compressed[0].b, 1.0f};  
- 
-	// prev/next-background
-	draw_gradient (cr,
-		 X,
-		 Y,
-		 RECT_WIDTH,
-		 OUTER_RADIUS,
-		 OUTER_START,
-		 OUTER_END);
-	draw_gradient (cr,
-		 X,
-		 Y + 1,
-		 RECT_WIDTH - 2,
-		 MIDDLE_RADIUS,
-		 MIDDLE_START,
-		 MIDDLE_END);
-	draw_gradient (cr,
-               X,
-               Y + 2,
-               RECT_WIDTH - 4,
-               MIDDLE_RADIUS,
-               MIDDLE_START,
-               MIDDLE_END);
-
-	if(priv->current_command == TRANSPORT_PREVIOUS){
-		draw_gradient (cr,
-		               X,
-		               Y + 2,
-		               RECT_WIDTH/2,
-		               INNER_RADIUS,
-		               INNER_COMPRESSED_START,
-		               INNER_COMPRESSED_END);
-	}	
-	else if(priv->current_command == TRANSPORT_NEXT){
-		draw_gradient (cr,
-		               RECT_WIDTH / 2 + X,
-		               Y + 2,
-		               (RECT_WIDTH - 7)/2,
-		               INNER_RADIUS,
-		               INNER_COMPRESSED_START,
-		               INNER_COMPRESSED_END);		
-	}
-
-	// play/pause-background
-	draw_circle (cr,
-			X + RECT_WIDTH / 2.0f - 2.0f * OUTER_RADIUS - 5.5f,
-			Y - ((CIRCLE_RADIUS - OUTER_RADIUS)),
-			CIRCLE_RADIUS,
-			OUTER_START,
-			OUTER_END);
-	draw_circle (cr,
-	               X + RECT_WIDTH / 2.0f - 2.0f * OUTER_RADIUS - 5.5f + 0.5f,
-	               Y - ((CIRCLE_RADIUS - OUTER_RADIUS)) + 0.5f,
-	               CIRCLE_RADIUS - 0.75f,
-	               MIDDLE_START,
-	               MIDDLE_END);
-
-	if(priv->current_command == TRANSPORT_PLAY_PAUSE){
-	    draw_circle (cr,
-			 X + RECT_WIDTH / 2.0f - 2.0f * OUTER_RADIUS - 5.5f + 1.5f,
-			 Y - ((CIRCLE_RADIUS - OUTER_RADIUS)) + 1.5f,
-			 CIRCLE_RADIUS - 1.5f,
-		     		 INNER_COMPRESSED_START,
-			 INNER_COMPRESSED_END);
-	}
-	else{        
-		draw_circle (cr,
-               X + RECT_WIDTH / 2.0f - 2.0f * OUTER_RADIUS - 5.5f + 1.5f,
-               Y - ((CIRCLE_RADIUS - OUTER_RADIUS)) + 1.5f,
-               CIRCLE_RADIUS - 1.5f,
-               MIDDLE_START,
-               MIDDLE_END);
-	}					
-	// draw previous-button drop-shadow
-	_setup (&cr_surf, &surf, PREV_WIDTH, PREV_HEIGHT);
-	_mask_prev (cr_surf,
-		    (PREV_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f,
-		    (PREV_HEIGHT - TRI_HEIGHT) / 2.0f,
-		    TRI_WIDTH,
-		    TRI_HEIGHT,
-		    TRI_OFFSET);
-	_fill (cr_surf,
-               (PREV_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f,
-               (PREV_HEIGHT - TRI_HEIGHT) / 2.0f,
-               (PREV_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f,
-	       (double) TRI_HEIGHT,
-	       BUTTON_SHADOW,
-	       BUTTON_SHADOW,
-	       FALSE);
-	_surface_blur (surf, 1);
-	_finalize (cr, &cr_surf, &surf, PREV_X, PREV_Y + 1.0f);
-
-	// draw previous-button
-	_setup (&cr_surf, &surf, PREV_WIDTH, PREV_HEIGHT);
-	_mask_prev (cr_surf,
-		    (PREV_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f,
-		    (PREV_HEIGHT - TRI_HEIGHT) / 2.0f,
-		    TRI_WIDTH,
-		    TRI_HEIGHT,
-		    TRI_OFFSET);
-	_fill (cr_surf,
-		     (PREV_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f,
-		     (PREV_HEIGHT - TRI_HEIGHT) / 2.0f,
-		     (PREV_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f,
-		     (double) TRI_HEIGHT,
-		     BUTTON_START,
-		     BUTTON_END,
-		     FALSE);		
-	_finalize (cr, &cr_surf, &surf, PREV_X, PREV_Y);
-
-	// draw next-button drop-shadow
-	_setup (&cr_surf, &surf, NEXT_WIDTH, NEXT_HEIGHT);
-	_mask_next (cr_surf,
-		    (NEXT_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f,
-		    (NEXT_HEIGHT - TRI_HEIGHT) / 2.0f,
-		    TRI_WIDTH,
-		    TRI_HEIGHT,
-		    TRI_OFFSET);
-	_fill (cr_surf,
-	       (NEXT_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f,
-	       (NEXT_HEIGHT - TRI_HEIGHT) / 2.0f,
-	       (NEXT_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f,
-	       (double) TRI_HEIGHT,
-	       BUTTON_SHADOW,
-	       BUTTON_SHADOW,
-	       FALSE);
-	_surface_blur (surf, 1);
-	_finalize (cr, &cr_surf, &surf, NEXT_X, NEXT_Y + 1.0f);
-
-	// draw next-button
-	_setup (&cr_surf, &surf, NEXT_WIDTH, NEXT_HEIGHT);
-	_mask_next (cr_surf,
-		    (NEXT_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f,
-		    (NEXT_HEIGHT - TRI_HEIGHT) / 2.0f,
-		    TRI_WIDTH,
-		    TRI_HEIGHT,
-		    TRI_OFFSET);
-	_fill (cr_surf,
-	       (NEXT_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f,
-	       (NEXT_HEIGHT - TRI_HEIGHT) / 2.0f,
-	       (NEXT_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f,
-	       (double) TRI_HEIGHT,
-	       BUTTON_START,
-	       BUTTON_END,
-	       FALSE);
-	_finalize (cr, &cr_surf, &surf, NEXT_X, NEXT_Y);
-
-	// draw pause-button drop-shadow
-	if(priv->current_state == PLAY){
-		_setup (&cr_surf, &surf, PAUSE_WIDTH, PAUSE_HEIGHT);
-		_mask_pause (cr_surf,
-				   (PAUSE_WIDTH - (2.0f * BAR_WIDTH + BAR_OFFSET)) / 2.0f,
-				   (PAUSE_HEIGHT - BAR_HEIGHT) / 2.0f,
-				   BAR_WIDTH,
-				   BAR_HEIGHT - 2.0f * BAR_WIDTH,
-				   BAR_OFFSET);
-		_fill (cr_surf,
-			     (PAUSE_WIDTH - (2.0f * BAR_WIDTH + BAR_OFFSET)) / 2.0f,
-			     (PAUSE_HEIGHT - BAR_HEIGHT) / 2.0f,
-			     (PAUSE_WIDTH - (2.0f * BAR_WIDTH + BAR_OFFSET)) / 2.0f,
-			     (double) BAR_HEIGHT,
-			     BUTTON_SHADOW,
-			     BUTTON_SHADOW,
-			     TRUE);
-		_surface_blur (surf, 1);
-		_finalize (cr, &cr_surf, &surf, PAUSE_X, PAUSE_Y + 1.0f);
-
-		// draw pause-button
-		_setup (&cr_surf, &surf, PAUSE_WIDTH, PAUSE_HEIGHT);
-		_mask_pause (cr_surf,
-				   (PAUSE_WIDTH - (2.0f * BAR_WIDTH + BAR_OFFSET)) / 2.0f,
-				   (PAUSE_HEIGHT - BAR_HEIGHT) / 2.0f,
-				   BAR_WIDTH,
-				   BAR_HEIGHT - 2.0f * BAR_WIDTH,
-				   BAR_OFFSET);
-		_fill (cr_surf,
-			     (PAUSE_WIDTH - (2.0f * BAR_WIDTH + BAR_OFFSET)) / 2.0f,
-			     (PAUSE_HEIGHT - BAR_HEIGHT) / 2.0f,
-			     (PAUSE_WIDTH - (2.0f * BAR_WIDTH + BAR_OFFSET)) / 2.0f,
-			     (double) BAR_HEIGHT,
-			     BUTTON_START,
-			     BUTTON_END,
-			     TRUE);
-		_finalize (cr, &cr_surf, &surf, PAUSE_X, PAUSE_Y);
-	}
-	else if(priv->current_state == PAUSE){
-		_setup (&cr_surf, &surf, PLAY_WIDTH, PLAY_HEIGHT);
-		_mask_play (cr_surf,
-		            PLAY_PADDING,
-		            PLAY_PADDING,
-		            PLAY_WIDTH - (2*PLAY_PADDING),
-		            PLAY_HEIGHT - (2*PLAY_PADDING));		            
-		_fill (cr_surf,
-		       PLAY_PADDING,
-		       PLAY_PADDING,
-		       PLAY_WIDTH - (2*PLAY_PADDING),
-		       PLAY_HEIGHT - (2*PLAY_PADDING),
-			     BUTTON_SHADOW,
-			     BUTTON_SHADOW,
-			     FALSE);
-		_surface_blur (surf, 1);
-		_finalize (cr, &cr_surf, &surf, PAUSE_X-0.75f, PAUSE_Y + 1.0f);
-		// draw play-button
-		_setup (&cr_surf, &surf, PLAY_WIDTH, PLAY_HEIGHT);
-		cairo_set_line_width (cr, 10.5);
-		cairo_set_line_cap(cr, CAIRO_LINE_CAP_ROUND);
-		cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND);
-		_mask_play (cr_surf,
-		            PLAY_PADDING,
-		            PLAY_PADDING,
-		            PLAY_WIDTH - (2*PLAY_PADDING),
-		            PLAY_HEIGHT - (2*PLAY_PADDING));		            
-		_fill (cr_surf,
-		       PLAY_PADDING,
-		       PLAY_PADDING,
-		       PLAY_WIDTH - (2*PLAY_PADDING),
-		       PLAY_HEIGHT - (2*PLAY_PADDING),
-			     BUTTON_START,
-			     BUTTON_END,
-			     FALSE);
-		_finalize (cr, &cr_surf, &surf, PAUSE_X-0.5f, PAUSE_Y);
-	}
-}
-
-    
-
-/**
-* play_button_new:
-* @returns: a new #PlayButton.
-**/
-GtkWidget* 
-play_button_new()
-{	
-	GtkWidget* widget =	g_object_new(PLAY_BUTTON_TYPE, NULL);
-	gtk_widget_set_app_paintable (widget, TRUE);	
-	return widget;
-}
-