/* Copyright 2010 Canonical Ltd. Authors: Conor Curran 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 . */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include "metadata-widget.h" #include "common-defs.h" #include static DbusmenuMenuitem* twin_item; typedef struct _MetadataWidgetPrivate MetadataWidgetPrivate; struct _MetadataWidgetPrivate { GtkWidget* hbox; GtkWidget* album_art; GString* image_path; GString* old_image_path; GString* remote_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)) /* Prototypes */ 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_image_expose (GtkWidget *image, GdkEventExpose *event, gpointer user_data); // keyevent consumers static gboolean metadata_widget_button_press_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_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); static void draw_album_art_placeholder(GtkWidget *metadata); G_DEFINE_TYPE (MetadataWidget, metadata_widget, GTK_TYPE_MENU_ITEM); static void metadata_widget_class_init (MetadataWidgetClass *klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); widget_class->button_press_event = metadata_widget_button_press_event; g_type_class_add_private (klass, sizeof (MetadataWidgetPrivate)); gobject_class->dispose = metadata_widget_dispose; gobject_class->finalize = metadata_widget_finalize; } static void metadata_widget_init (MetadataWidget *self) { g_debug("MetadataWidget::metadata_widget_init"); MetadataWidgetPrivate * priv = METADATA_WIDGET_GET_PRIVATE(self); GtkWidget *hbox; hbox = gtk_hbox_new(FALSE, 0); priv->hbox = hbox; // image priv->album_art = gtk_image_new(); priv->image_path = g_string_new(dbusmenu_menuitem_property_get(twin_item, DBUSMENU_METADATA_MENUITEM_ARTURL)); priv->old_image_path = g_string_new(""); priv->remote_image_path = g_string_new(DBUSMENU_PLAYER_ITEM_REMOTE_FILEPATH); 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); // 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; // 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_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; // 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; 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); gtk_box_pack_start (GTK_BOX (priv->hbox), vbox, FALSE, FALSE, 0); 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 void metadata_widget_dispose (GObject *object) { G_OBJECT_CLASS (metadata_widget_parent_class)->dispose (object); } static void metadata_widget_finalize (GObject *object) { G_OBJECT_CLASS (metadata_widget_parent_class)->finalize (object); } /** * We override the expose method to enable primitive drawing of the * empty album art image and rounded rectangles on the album art. */ static gboolean metadata_image_expose (GtkWidget *metadata, GdkEventExpose *event, gpointer user_data) { g_return_val_if_fail(IS_METADATA_WIDGET(user_data), FALSE); MetadataWidget* widget = METADATA_WIDGET(user_data); MetadataWidgetPrivate * priv = METADATA_WIDGET_GET_PRIVATE(widget); g_debug("expose"); if(priv->image_path->len > 0){ if(g_string_equal(priv->image_path, priv->old_image_path) == FALSE || (g_string_equal(priv->image_path, priv->remote_image_path) == TRUE && g_string_equal(priv->old_image_path, priv->remote_image_path) == FALSE)){ g_debug("and we are in"); GdkPixbuf* pixbuf; pixbuf = gdk_pixbuf_new_from_file(priv->image_path->str, NULL); g_debug("metadata_load_new_image -> pixbuf from %s", priv->image_path->str); if(GDK_IS_PIXBUF(pixbuf) == FALSE){ g_debug("problem loading the downloaded image just use the placeholder instead"); draw_album_art_placeholder(metadata); return TRUE; } 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; } draw_album_art_placeholder(metadata); return TRUE; } static void draw_album_art_placeholder(GtkWidget *metadata) { 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); } /* Suppress/consume keyevents */ static gboolean metadata_widget_button_press_event (GtkWidget *menuitem, GdkEventButton *event) { 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 etc. static void metadata_widget_property_update(DbusmenuMenuitem* item, gchar* property, GValue* value, gpointer userdata) { g_return_if_fail (IS_METADATA_WIDGET (userdata)); if(g_value_get_int(value) == DBUSMENU_PROPERTY_EMPTY){ g_debug("Metadata widget: property update - reset"); GValue new_value = {0}; g_value_init(&new_value, G_TYPE_STRING); g_value_set_string(&new_value, g_strdup("")); value = &new_value; } MetadataWidget* mitem = METADATA_WIDGET(userdata); MetadataWidgetPrivate * priv = METADATA_WIDGET_GET_PRIVATE(mitem); if(g_ascii_strcasecmp(DBUSMENU_METADATA_MENUITEM_ARTIST, property) == 0){ gtk_label_set_text(GTK_LABEL(priv->artist_label), g_value_get_string(value)); 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)); 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)); metadata_widget_style_labels(mitem, GTK_LABEL(priv->container_label)); } else if(g_ascii_strcasecmp(DBUSMENU_METADATA_MENUITEM_ARTURL, property) == 0){ g_string_erase(priv->image_path, 0, -1); g_string_overwrite(priv->image_path, 0, g_value_get_string (value)); // Basically force expose the reload the image because we have an image update // but we are using remote images i.e. the same file path but different images if(g_string_equal(priv->image_path, priv->remote_image_path) == TRUE){ g_string_erase(priv->old_image_path, 0, -1); gtk_widget_queue_draw(GTK_WIDGET(mitem)); } } } 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; } static void rounded_rectangle (cairo_t *cr, gdouble aspect, gdouble x, gdouble y, gdouble corner_radius, gdouble width, gdouble height) { 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 image_set_from_pixbuf (GtkWidget *widget, MetadataWidget* metadata, GdkPixbuf *source) { 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; 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 metadata_widget_style_labels(MetadataWidget* self, GtkLabel* label) { char* markup; markup = g_markup_printf_escaped ("%s", 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]; } } /** * transport_new: * @returns: a new #MetadataWidget. **/ GtkWidget* metadata_widget_new(DbusmenuMenuitem *item) { twin_item = item; return g_object_new(METADATA_WIDGET_TYPE, NULL); }