Import upstream version 0.4.1

1 files changed, 296 insertions, 86 deletions

diff --git a/src/metadata-widget.c b/src/metadata-widget.c
index aaf71e2..f600238 100644
--- a/src/metadata-widget.c
+++ b/src/metadata-widget.c
@@ -34,10 +34,13 @@ struct _MetadataWidgetPrivate
 {
 	GtkWidget* hbox;
 	GtkWidget* album_art;
-  gchar* 		 image_path;
+  GString*	 image_path;
+  GString*	 old_image_path;
 	GtkWidget* artist_label;
 	GtkWidget* piece_label;
 	GtkWidget* container_label;	
+	GdkColor   bevel_colour;
+	GdkColor   eight_note_colour;
 };
 
 #define METADATA_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), METADATA_WIDGET_TYPE, MetadataWidgetPrivate))
@@ -47,25 +50,28 @@ static void metadata_widget_class_init (MetadataWidgetClass *klass);
 static void metadata_widget_init       (MetadataWidget *self);
 static void metadata_widget_dispose    (GObject *object);
 static void metadata_widget_finalize   (GObject *object);
-static gboolean metadata_widget_expose_event(GtkWidget* widget, GdkEventExpose* event);
+static gboolean metadata_image_expose (GtkWidget *image, GdkEventExpose *event, gpointer user_data);
 
 // keyevent consumers
 static gboolean metadata_widget_button_press_event (GtkWidget *menuitem, 
                                   									GdkEventButton *event);
-static gboolean metadata_widget_button_release_event (GtkWidget *menuitem, 
-                                  										GdkEventButton *event);
 // Dbusmenuitem properties update callback
-static void metadata_widget_property_update(DbusmenuMenuitem* item, gchar* property, 
-                                       GValue* value, gpointer userdata);
+static void metadata_widget_property_update (DbusmenuMenuitem* item,
+                                             gchar* property, 
+                                       			 GValue* value,
+                                             gpointer userdata);
 
-static void update_album_art(MetadataWidget* self);
-static void style_artist_text(MetadataWidget* self);
-static void style_title_text(MetadataWidget* self);
-static void style_album_text(MetadataWidget* self);
+static void metadata_widget_style_labels(MetadataWidget* self,
+                                         GtkLabel* label);
+
+void metadata_widget_set_style(GtkWidget* button, GtkStyle* style);
+static void image_set_from_pixbuf (GtkWidget  *widget,
+												           MetadataWidget* metadata,
+												           GdkPixbuf *source);
 
 
-G_DEFINE_TYPE (MetadataWidget, metadata_widget, GTK_TYPE_MENU_ITEM);
 
+G_DEFINE_TYPE (MetadataWidget, metadata_widget, GTK_TYPE_MENU_ITEM);
 
 
 static void
@@ -75,13 +81,11 @@ metadata_widget_class_init (MetadataWidgetClass *klass)
   GtkWidgetClass    *widget_class = GTK_WIDGET_CLASS (klass);
 
 	widget_class->button_press_event = metadata_widget_button_press_event;
-  widget_class->button_release_event = metadata_widget_button_release_event;
-	widget_class->expose_event = metadata_widget_expose_event;
+	
 	g_type_class_add_private (klass, sizeof (MetadataWidgetPrivate));
 
 	gobject_class->dispose = metadata_widget_dispose;
 	gobject_class->finalize = metadata_widget_finalize;
-
 }
 
 static void
@@ -98,49 +102,52 @@ metadata_widget_init (MetadataWidget *self)
 
 	// image
 	priv->album_art = gtk_image_new();
-	priv->image_path = g_strdup(dbusmenu_menuitem_property_get(twin_item, DBUSMENU_METADATA_MENUITEM_ARTURL));
-	update_album_art(self);	
-
+	priv->image_path = g_string_new(dbusmenu_menuitem_property_get(twin_item, DBUSMENU_METADATA_MENUITEM_ARTURL));
+	priv->old_image_path = g_string_new("");
+	g_debug("Metadata::At startup and image path = %s", priv->image_path->str);
+	
+  g_signal_connect(priv->album_art, "expose-event", 
+                   G_CALLBACK(metadata_image_expose),
+                   GTK_WIDGET(self));		
+	gtk_widget_set_size_request(GTK_WIDGET(priv->album_art), 60, 60); 
+	
 	gtk_box_pack_start (GTK_BOX (priv->hbox), priv->album_art, FALSE, FALSE, 0);	
-
 	
 	GtkWidget* vbox = gtk_vbox_new(FALSE, 0);
-	gtk_container_set_border_width(GTK_CONTAINER(vbox), 10);
+	
 	// artist
 	GtkWidget* artist;
 	artist = gtk_label_new(dbusmenu_menuitem_property_get(twin_item,
 	                                                      DBUSMENU_METADATA_MENUITEM_ARTIST));
-	
 	gtk_misc_set_alignment(GTK_MISC(artist), (gfloat)0, (gfloat)0);
+	gtk_misc_set_padding (GTK_MISC(artist), (gfloat)10, (gfloat)0);
 	gtk_label_set_width_chars(GTK_LABEL(artist), 15);	
 	gtk_label_set_ellipsize(GTK_LABEL(artist), PANGO_ELLIPSIZE_MIDDLE);	
+	metadata_widget_style_labels(self, GTK_LABEL(artist));
 	priv->artist_label = artist;
-	// Style it up.
-	style_artist_text(self);
 	
-	// piece
+	// title
 	GtkWidget* piece;
 	piece = gtk_label_new(dbusmenu_menuitem_property_get(twin_item,
 	                                                     DBUSMENU_METADATA_MENUITEM_TITLE));
 	gtk_misc_set_alignment(GTK_MISC(piece), (gfloat)0, (gfloat)0);
-	gtk_label_set_width_chars(GTK_LABEL(piece), 12);
+	gtk_misc_set_padding (GTK_MISC(piece), (gfloat)10, (gfloat)0);
+	gtk_label_set_width_chars(GTK_LABEL(piece), 15);
 	gtk_label_set_ellipsize(GTK_LABEL(piece), PANGO_ELLIPSIZE_MIDDLE);
+	metadata_widget_style_labels(self, GTK_LABEL(piece));
 	priv->piece_label =  piece;
-	// Style it up.
-	style_title_text(self);
 
 	// container
 	GtkWidget* container;
 	container = gtk_label_new(dbusmenu_menuitem_property_get(twin_item,
 	                                                         DBUSMENU_METADATA_MENUITEM_ALBUM));
 	gtk_misc_set_alignment(GTK_MISC(container), (gfloat)0, (gfloat)0);
+	gtk_misc_set_padding (GTK_MISC(container), (gfloat)10, (gfloat)0);	
 	gtk_label_set_width_chars(GTK_LABEL(container), 15);		
 	gtk_label_set_ellipsize(GTK_LABEL(container), PANGO_ELLIPSIZE_MIDDLE);	
+	metadata_widget_style_labels(self, GTK_LABEL(container));
 	priv->container_label = container;
-	// Style it up.
-	style_album_text(self);
 
-	// Pack in the right order
 	gtk_box_pack_start (GTK_BOX (vbox), priv->piece_label, FALSE, FALSE, 0);	
 	gtk_box_pack_start (GTK_BOX (vbox), priv->artist_label, FALSE, FALSE, 0);	
 	gtk_box_pack_start (GTK_BOX (vbox), priv->container_label, FALSE, FALSE, 0);	
@@ -150,19 +157,13 @@ metadata_widget_init (MetadataWidget *self)
 	g_signal_connect(G_OBJECT(twin_item), "property-changed", 
 	                 G_CALLBACK(metadata_widget_property_update), self);
 	gtk_widget_show_all (priv->hbox);
+
+  g_signal_connect(self, "style-set", G_CALLBACK(metadata_widget_set_style), GTK_WIDGET(self));		
+	
 	gtk_widget_set_size_request(GTK_WIDGET(self), 200, 60); 
   gtk_container_add (GTK_CONTAINER (self), hbox);	
 }
 
-static gboolean
-metadata_widget_expose_event(GtkWidget* widget, GdkEventExpose* event)
-{
-	MetadataWidgetPrivate * priv = METADATA_WIDGET_GET_PRIVATE(widget);
-		
-	gtk_container_propagate_expose(GTK_CONTAINER(widget), priv->hbox, event); 
-	return TRUE;
-}
-
 static void
 metadata_widget_dispose (GObject *object)
 {
@@ -175,21 +176,110 @@ metadata_widget_finalize (GObject *object)
 	G_OBJECT_CLASS (metadata_widget_parent_class)->finalize (object);
 }
 
-/* Suppress/consume keyevents */
+/**
+ * We override the expose method to enable primitive drawing of the 
+ * empty album art image (and soon rounded rectangles on the album art)
+ */
 static gboolean
-metadata_widget_button_press_event (GtkWidget *menuitem, 
-                                  GdkEventButton *event)
+metadata_image_expose (GtkWidget *metadata, GdkEventExpose *event, gpointer user_data)
 {
-	g_debug("MetadataWidget::menu_press_event");
+	g_return_val_if_fail(IS_METADATA_WIDGET(user_data), FALSE);
+	MetadataWidget* widget = METADATA_WIDGET(user_data);
+	MetadataWidgetPrivate * priv = METADATA_WIDGET_GET_PRIVATE(widget);	
+	
+	if(priv->image_path->len > 0){
+		
+	  if(g_string_equal(priv->image_path, priv->old_image_path) == FALSE){
+			GdkPixbuf* pixbuf;
+			pixbuf = gdk_pixbuf_new_from_file(priv->image_path->str, NULL);
+			g_debug("metadata_widget_expose, album art update -> pixbuf from %s",
+						  priv->image_path->str); 
+			pixbuf = gdk_pixbuf_scale_simple(pixbuf,60, 60, GDK_INTERP_BILINEAR);
+			image_set_from_pixbuf (metadata, widget, pixbuf);
+			g_string_erase(priv->old_image_path, 0, -1);
+			g_string_overwrite(priv->old_image_path, 0, priv->image_path->str); 
+
+			g_object_unref(pixbuf);			
+		}
+		return FALSE;				
+	}
+	
+	cairo_t *cr;	
+	cr = gdk_cairo_create (metadata->window);
+	GtkAllocation alloc;
+	gtk_widget_get_allocation (metadata, &alloc);
+		
+	cairo_rectangle (cr,
+                   alloc.x, alloc.y,
+                   alloc.width, alloc.height);
+	cairo_clip(cr);
+
+	cairo_move_to (cr, alloc.x , alloc.y);
+	cairo_line_to(cr, alloc.x + alloc.width,
+	              alloc.y);
+	cairo_line_to(cr, alloc.x + alloc.width,
+	              alloc.y + alloc.height);
+	cairo_line_to(cr, alloc.x, alloc.y + alloc.height);
+	cairo_line_to(cr, alloc.x, alloc.y);
+
+	cairo_close_path (cr);
+
+	cairo_set_source_rgba (cr, 123.0f / 255.0f, 123.0f / 255.0f, 120.0f / 255.0f, .8f);		
+	cairo_set_line_width (cr, 2.0);
+	
+	cairo_stroke (cr);						
+
+	// Draw the eight note
+	PangoLayout *layout;
+	PangoFontDescription *desc;
+	layout = pango_cairo_create_layout(cr);
+	PangoContext* pcontext = pango_cairo_create_context(cr); 
+	pango_cairo_context_set_resolution (pcontext, 96);
+
+	GString* string = g_string_new("");
+	gssize size = -1;
+	gunichar code = g_utf8_get_char_validated("\342\231\253", size);	
+	g_string_append_unichar (string, code);
+	
+	pango_layout_set_text(layout, string->str, -1);
+	desc = pango_font_description_from_string("Sans Bold 30");
+	pango_layout_set_font_description(layout, desc);
+	pango_font_description_free(desc);
+
+	cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 0.8);
+	pango_cairo_update_layout(cr, layout);
+	cairo_move_to (cr, alloc.x + alloc.width/6, alloc.y);	
+	pango_cairo_show_layout(cr, layout);
+
+	g_object_unref(layout);	
+	g_object_unref(pcontext);
+	g_string_free (string, TRUE);
+	cairo_destroy (cr);	
+	
 	return TRUE;
 }
 
+/* Suppress/consume keyevents */
 static gboolean
-metadata_widget_button_release_event (GtkWidget *menuitem, 
+metadata_widget_button_press_event (GtkWidget *menuitem, 
                                   GdkEventButton *event)
 {
-	g_debug("MetadataWidget::menu_release_event");
-	return TRUE;
+	GtkClipboard* board = gtk_clipboard_get (GDK_NONE);	
+	gchar* title = g_strdup(dbusmenu_menuitem_property_get(twin_item,
+	                                              DBUSMENU_METADATA_MENUITEM_TITLE));
+	gchar* artist = g_strdup(dbusmenu_menuitem_property_get(twin_item,
+	                                              DBUSMENU_METADATA_MENUITEM_ARTIST));
+	gchar* album = g_strdup(dbusmenu_menuitem_property_get(twin_item,
+	                                              DBUSMENU_METADATA_MENUITEM_ALBUM));
+	gchar* contents = g_strdup_printf("artist: %s \ntitle: %s \nalbum: %s", artist, title, album);
+	g_debug("contents to be copied will be : %s", contents);	
+	gtk_clipboard_set_text (board, contents, -1);
+	gtk_clipboard_store (board);
+	g_free(contents);
+	g_free(title);
+	g_free(artist);
+	g_free(album);
+	return FALSE;
 }
 
 // TODO: Manage empty/mangled music details <unknown artist> etc.
@@ -212,72 +302,192 @@ metadata_widget_property_update(DbusmenuMenuitem* item, gchar* property,
 	
 	if(g_ascii_strcasecmp(DBUSMENU_METADATA_MENUITEM_ARTIST, property) == 0){  
 		gtk_label_set_text(GTK_LABEL(priv->artist_label), g_value_get_string(value));
-		style_artist_text(mitem);
+		metadata_widget_style_labels(mitem, GTK_LABEL(priv->artist_label));
 	}
 	else if(g_ascii_strcasecmp(DBUSMENU_METADATA_MENUITEM_TITLE, property) == 0){  
 		gtk_label_set_text(GTK_LABEL(priv->piece_label), g_value_get_string(value));		
-		style_title_text(mitem);
+		metadata_widget_style_labels(mitem, GTK_LABEL(priv->piece_label));
 	}	
 	else if(g_ascii_strcasecmp(DBUSMENU_METADATA_MENUITEM_ALBUM, property) == 0){  
 		gtk_label_set_text(GTK_LABEL(priv->container_label), g_value_get_string(value));
-		style_album_text(mitem);	
+		metadata_widget_style_labels(mitem, GTK_LABEL(priv->container_label));
 	}	
 	else if(g_ascii_strcasecmp(DBUSMENU_METADATA_MENUITEM_ARTURL, property) == 0){
-		if(priv->image_path != NULL){
-			g_free(priv->image_path);
-		}
-		priv->image_path = g_value_dup_string(value);
-		if(priv->image_path != NULL){
-			update_album_art(mitem);
-		}
+		g_string_erase(priv->image_path, 0, -1);
+		g_string_overwrite(priv->image_path, 0, g_value_get_string (value)); 
 	}		
 }
 
-static void
-update_album_art(MetadataWidget* self){
-	MetadataWidgetPrivate * priv = METADATA_WIDGET_GET_PRIVATE(self);	
-	GdkPixbuf* pixbuf;
-	pixbuf = gdk_pixbuf_new_from_file(priv->image_path, NULL);
-  pixbuf = gdk_pixbuf_scale_simple(pixbuf,60, 60, GDK_INTERP_BILINEAR);
-	g_debug("attempting to set the image with path %s", priv->image_path);
-	gtk_image_set_from_pixbuf(GTK_IMAGE(priv->album_art), pixbuf);
-	g_object_unref(pixbuf);	
+
+static cairo_surface_t *
+surface_from_pixbuf (GdkPixbuf *pixbuf)
+{
+        cairo_surface_t *surface;
+        cairo_t         *cr;
+
+        surface = cairo_image_surface_create (gdk_pixbuf_get_has_alpha (pixbuf) ?
+                                              CAIRO_FORMAT_ARGB32 : CAIRO_FORMAT_RGB24,
+                                              gdk_pixbuf_get_width (pixbuf),
+                                              gdk_pixbuf_get_height (pixbuf));
+        cr = cairo_create (surface);
+        gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
+        cairo_paint (cr);
+        cairo_destroy (cr);
+
+        return surface;
 }
 
-// TODO refactor next 3 methods into one once the style has been 
-// "signed off" by design
 static void
-style_artist_text(MetadataWidget* self)
+rounded_rectangle (cairo_t *cr,
+                   gdouble  aspect,
+                   gdouble  x,
+                   gdouble  y,
+                   gdouble  corner_radius,
+                   gdouble  width,
+                   gdouble  height)
 {
-	MetadataWidgetPrivate * priv = METADATA_WIDGET_GET_PRIVATE(self);	
-	char* markup;
-	markup = g_markup_printf_escaped ("<span size=\"small\">%s</span>",
-	                                  gtk_label_get_text(GTK_LABEL(priv->artist_label)));
-	gtk_label_set_markup (GTK_LABEL (priv->artist_label), markup);
-	g_free(markup);
+        gdouble radius;
+        gdouble degrees;
+
+        radius = corner_radius / aspect;
+        degrees = G_PI / 180.0;
+
+        cairo_new_sub_path (cr);
+        cairo_arc (cr,
+                   x + width - radius,
+                   y + radius,
+                   radius,
+                   -90 * degrees,
+                   0 * degrees);
+        cairo_arc (cr,
+                   x + width - radius,
+                   y + height - radius,
+                   radius,
+                   0 * degrees,
+                   90 * degrees);
+        cairo_arc (cr,
+                   x + radius,
+                   y + height - radius,
+                   radius,
+                   90 * degrees,
+                   180 * degrees);
+        cairo_arc (cr,
+                   x + radius,
+                   y + radius,
+                   radius,
+                   180 * degrees,
+                   270 * degrees);
+        cairo_close_path (cr);
 }
 
 static void
-style_title_text(MetadataWidget* self)
+image_set_from_pixbuf (GtkWidget  *widget,
+                       MetadataWidget* metadata,
+                       GdkPixbuf *source)
 {
-	MetadataWidgetPrivate * priv = METADATA_WIDGET_GET_PRIVATE(self);	
+  cairo_t         *cr;
+  cairo_t         *cr_mask;
+  cairo_surface_t *surface;
+  GdkPixmap       *pixmap;
+  GdkPixmap       *bitmask;
+  int              w;
+  int              h;
+  int              frame_width;
+  double           radius;
+  GdkColor         color;
+  double           r;
+  double           g;
+  double           b;
+	
+	MetadataWidgetPrivate* priv = METADATA_WIDGET_GET_PRIVATE(metadata);	
+	GtkImage* image = GTK_IMAGE(priv->album_art);
+  frame_width = 5;
 
-	char* markup;
-	markup = g_markup_printf_escaped ("<span weight=\"bold\">%s</span>",
-	                                  gtk_label_get_text(GTK_LABEL(priv->piece_label)));
-	gtk_label_set_markup (GTK_LABEL (priv->piece_label), markup);
-	g_free(markup);
+  w = gdk_pixbuf_get_width (source) + frame_width * 2;
+  h = gdk_pixbuf_get_height (source) + frame_width * 2;
+
+  radius = w / 10;
+
+  pixmap = gdk_pixmap_new (gtk_widget_get_window (widget), w, h, -1);
+  bitmask = gdk_pixmap_new (gtk_widget_get_window (widget), w, h, 1);
+
+	if (gtk_widget_get_window (widget) == NULL)
+		return;
+
+  cr = gdk_cairo_create (pixmap);
+  cr_mask = gdk_cairo_create (bitmask);
+
+  /* setup mask */
+  cairo_rectangle (cr_mask, 0, 0, w, h);
+  cairo_set_operator (cr_mask, CAIRO_OPERATOR_CLEAR);
+  cairo_fill (cr_mask);
+
+  rounded_rectangle (cr_mask, 1.0, 0.5, 0.5, radius, w - 1, h - 1);
+  cairo_set_operator (cr_mask, CAIRO_OPERATOR_OVER);
+  cairo_set_source_rgb (cr_mask, 1, 1, 1);
+  cairo_fill (cr_mask);
+
+  color = gtk_widget_get_style (GTK_WIDGET (image))->bg [GTK_STATE_NORMAL];
+  r = (float)color.red / 65535.0;
+  g = (float)color.green / 65535.0;
+  b = (float)color.blue / 65535.0;
+
+  /* set up image */
+  cairo_rectangle (cr, 0, 0, w, h);
+  cairo_set_source_rgb (cr, r, g, b);
+  cairo_fill (cr);
+
+  rounded_rectangle (cr,
+                     1.0,
+                     frame_width + 0.5,
+                     frame_width + 0.5,
+                     radius,
+                     w - frame_width * 2 - 1,
+                     h - frame_width * 2 - 1);
+  cairo_set_source_rgba (cr, 0.5, 0.5, 0.5, 0.3);
+  cairo_fill_preserve (cr);
+
+  surface = surface_from_pixbuf (source);
+  cairo_set_source_surface (cr, surface, frame_width, frame_width);
+  cairo_fill (cr);
+
+  gtk_image_set_from_pixmap (image, pixmap, bitmask);
+
+  cairo_surface_destroy (surface);
+
+  g_object_unref (bitmask);
+  g_object_unref (pixmap);
+
+  cairo_destroy (cr_mask);
+  cairo_destroy (cr);
 }
 
+// TODO refactor next 3 methods into one once the style has been 
 static void
-style_album_text(MetadataWidget* self)
+metadata_widget_style_labels(MetadataWidget* self, GtkLabel* label)
 {
-	MetadataWidgetPrivate * priv = METADATA_WIDGET_GET_PRIVATE(self);	
 	char* markup;
-	markup = g_markup_printf_escaped ("<span size=\"small\">%s</span>",
-	                                  gtk_label_get_text(GTK_LABEL(priv->container_label)));
-	gtk_label_set_markup (GTK_LABEL (priv->container_label), markup);
-	g_free(markup);
+	markup = g_markup_printf_escaped ("<span size=\"smaller\">%s</span>",
+	                                  gtk_label_get_text(GTK_LABEL(label)));
+	gtk_label_set_markup (GTK_LABEL (label), markup);
+	g_free(markup);	
+}
+
+void
+metadata_widget_set_style(GtkWidget* metadata, GtkStyle* style)
+{
+	g_return_if_fail(IS_METADATA_WIDGET(metadata));
+	MetadataWidget* widg = METADATA_WIDGET(metadata);
+	MetadataWidgetPrivate * priv = METADATA_WIDGET_GET_PRIVATE(widg);	
+	if(style == NULL){
+		g_warning("metadata_widget_set_style -> style is NULL!");
+		return;
+	}
+	else{
+		g_debug("metadata_widget: about to set the style colours");
+		priv->eight_note_colour = style->fg[GTK_STATE_NORMAL];
+		priv->bevel_colour = style->bg[GTK_STATE_NORMAL];		
+	}
 }
 
  /**