play pause both graphically and functionally now working

1 files changed, 163 insertions, 59 deletions

diff --git a/src/play-button.c b/src/play-button.c
index cac2bc3..539b2b2 100644
--- a/src/play-button.c
+++ b/src/play-button.c
@@ -52,13 +52,9 @@ Uses code from ctk
 #define BAR_OFFSET 10.0f
 #define PAUSE_X 77.0f
 #define	PAUSE_Y 15.0f
-
-
-// Transport updates
-enum{
-	PAUSE,
-	PLAY
-};
+#define PLAY_WIDTH 28.0f
+#define PLAY_HEIGHT 29.0f
+#define PLAY_PADDING 5.0f
 
 typedef struct _PlayButtonPrivate PlayButtonPrivate;
 
@@ -70,6 +66,8 @@ struct _PlayButtonPrivate
 	GdkColor 				foreground_colour_fg;
 	GdkColor 				foreground_colour_bg;
 	PlayButtonEvent current_command;
+	PlayButtonState current_state;
+	GHashTable* 		command_coordinates;	
 };
 
 #define PLAY_BUTTON_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), PLAY_BUTTON_TYPE, PlayButtonPrivate))
@@ -87,7 +85,7 @@ G_DEFINE_TYPE (PlayButton, play_button, GTK_TYPE_DRAWING_AREA);
 
 /// internal helper functions //////////////////////////////////////////////////
 
-static double
+/*static double
 _align (double val)
 {
   double fract = val - (int) val;
@@ -96,7 +94,7 @@ _align (double val)
     return (double) ((int) val + 0.5f);
   else
     return val;
-}
+}*/
 
 static inline void
 _blurinner (guchar* pixel,
@@ -309,8 +307,7 @@ _surface_blur (cairo_surface_t* surface,
 
 static void
 play_button_class_init (PlayButtonClass *klass)
-{
-	
+{	
 	GObjectClass	*gobject_class = G_OBJECT_CLASS (klass);
  	GtkWidgetClass* widget_class = GTK_WIDGET_CLASS (klass);
 
@@ -327,6 +324,41 @@ 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,
+	                                             				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(10), 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(60), 0);
+	play_list = g_list_insert(play_list, GINT_TO_POINTER(10), 1);
+	play_list = g_list_insert(play_list, GINT_TO_POINTER(45), 2);
+	play_list = g_list_insert(play_list, GINT_TO_POINTER(40), 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(10), 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, 80); 
 }
 
@@ -391,12 +423,13 @@ play_button_react_to_button_press(GtkWidget* button, PlayButtonEvent command)
 	cairo_t *cr;
 	cr = gdk_cairo_create (button->window);
 
-
-	/*cairo_rectangle (cr,
-                   event->area.x, event->area.y,
-                   event->area.width, event->area.height);
-
-	cairo_clip(cr);*/
+	GList* list = g_hash_table_lookup(priv->command_coordinates, GINT_TO_POINTER(command));
+	cairo_rectangle(cr,
+	                GPOINTER_TO_INT(g_list_nth_data(list, 0)),
+	                GPOINTER_TO_INT(g_list_nth_data(list, 1)),
+									GPOINTER_TO_INT(g_list_nth_data(list, 2)),	               	
+									GPOINTER_TO_INT(g_list_nth_data(list, 3)));
+	cairo_clip(cr);
 	draw (button, cr);
 	cairo_destroy (cr);
 }
@@ -407,22 +440,32 @@ play_button_react_to_button_release(GtkWidget* button)
 {
 	g_return_if_fail(IS_PLAY_BUTTON(button));
 	PlayButtonPrivate* priv = PLAY_BUTTON_GET_PRIVATE(button);	
-	priv->current_command = TRANSPORT_NADA;
 	cairo_t *cr;
+	
 	cr = gdk_cairo_create (button->window);
-	/*cairo_rectangle (cr,
-                   event->area.x, event->area.y,
-                   event->area.width, event->area.height);
+	GList* list = g_hash_table_lookup(priv->command_coordinates,
+	                                  GINT_TO_POINTER(priv->current_command));
+
+	priv->current_command = TRANSPORT_NADA;
+
+	cairo_rectangle(cr,
+	                GPOINTER_TO_INT(g_list_nth_data(list, 0)),
+	                GPOINTER_TO_INT(g_list_nth_data(list, 1)),
+									GPOINTER_TO_INT(g_list_nth_data(list, 2)),	               	
+									GPOINTER_TO_INT(g_list_nth_data(list, 3)));
 
-	cairo_clip(cr);*/
+	cairo_clip(cr);
 	draw (button, cr);
 	cairo_destroy (cr);
 	
 }    
 
-void 
-play_button_toggle_play_pause(GtkWidget* button, int update)
+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); 
 }
 
 
@@ -608,6 +651,24 @@ _mask_pause (cairo_t* cr,
 }
 
 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,
@@ -826,41 +887,84 @@ draw (GtkWidget* button, cairo_t *cr)
 	_finalize (cr, &cr_surf, &surf, NEXT_X, NEXT_Y);
 
 	// draw pause-button drop-shadow
-	_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);
+	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);
+		cairo_surface_write_to_png(surf, "/tmp/drop_shadow.png");
+		_surface_blur (surf, 1);
+		_finalize (cr, &cr_surf, &surf, PAUSE_X, 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);
+		cairo_surface_write_to_png(surf, "/tmp/play.png");
+
+		_finalize (cr, &cr_surf, &surf, PAUSE_X, PAUSE_Y);
+	}
+	
 }