the beginnings of the custom user item

1 files changed, 303 insertions, 0 deletions

diff --git a/src/user-widget.c b/src/user-widget.c
new file mode 100644
index 0000000..bd6634a
--- /dev/null
+++ b/src/user-widget.c
@@ -0,0 +1,303 @@
+/*
+Copyright 2011 Canonical Ltd.
+
+Authors:
+    Conor Curran <conor.curran@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/>.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+#include <glib.h>
+#include <libindicator/indicator-image-helper.h>
+#include "user-widget.h"
+
+typedef struct _UserWidgetPrivate UserWidgetPrivate;
+
+struct _UserWidgetPrivate
+{
+  DbusmenuMenuitem* twin_item;
+  GtkWidget* user_image;
+  GtkWidget* user_name;
+  gboolean logged_in;
+  gboolean sessions_active;
+};
+
+#define USER_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), USER_WIDGET_TYPE, UserWidgetPrivate))
+
+/* Prototypes */
+static void user_widget_class_init    (UserWidgetClass *klass);
+static void user_widget_init          (UserWidget *self);
+static void user_widget_dispose       (GObject *object);
+static void user_widget_finalize      (GObject *object);
+
+static void user_widget_set_twin_item (UserWidget* self,
+                                       DbusmenuMenuitem* twin_item);
+// keyevent consumers
+static gboolean user_widget_button_release_event (GtkWidget *menuitem, 
+                                                  GdkEventButton *event);
+// Dbusmenuitem properties update callback
+static void user_widget_property_update (DbusmenuMenuitem* item,
+                                         gchar* property, 
+                                         GVariant* value,
+                                         gpointer userdata);
+#if GTK_CHECK_VERSION(3, 0, 0)
+static gboolean user_widget_primitive_draw_cb_gtk_3 (GtkWidget *image,
+                                                         cairo_t* cr,
+                                                         gpointer user_data);
+#else
+static gboolean user_widget_primitive_draw_cb (GtkWidget *image,
+                                                   GdkEventExpose *event,
+                                                   gpointer user_data);
+#endif
+
+G_DEFINE_TYPE (UserWidget, user_widget, GTK_TYPE_MENU_ITEM);
+
+static void
+user_widget_class_init (UserWidgetClass *klass)
+{
+  GObjectClass      *gobject_class = G_OBJECT_CLASS (klass);
+  GtkWidgetClass    *widget_class = GTK_WIDGET_CLASS (klass);
+
+  widget_class->button_release_event = user_widget_button_release_event;
+  
+  g_type_class_add_private (klass, sizeof (UserWidgetPrivate));
+
+  gobject_class->dispose = user_widget_dispose;
+  gobject_class->finalize = user_widget_finalize;
+}
+
+static void
+user_widget_init (UserWidget *self)
+{
+  UserWidgetPrivate * priv = USER_WIDGET_GET_PRIVATE(self);
+  priv->user_image = NULL;
+  priv->user_name  = NULL;
+  priv->logged_in = FALSE;
+  priv->sessions_active = FALSE;
+  
+  priv->user_image = gtk_image_new ();
+  
+  // Just for now set the image to the default avator image
+  GdkPixbuf* pixbuf  = NULL; 
+  GError* error = NULL;
+  pixbuf = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),
+                                     "avatar-default",
+                                     12,
+                                     GTK_ICON_LOOKUP_FORCE_SIZE,
+                                     &error);
+  
+  if (pixbuf == NULL || error != NULL) {
+    g_warning ("Could not load the default avatar image for some reason");
+  }
+  else{
+    gtk_image_set_from_pixbuf (GTK_IMAGE(priv->user_image), pixbuf);
+    g_object_unref (pixbuf);
+  }
+  
+  priv->user_name = gtk_label_new ("");
+  
+  #if GTK_CHECK_VERSION(3, 0, 0) 
+  g_signal_connect_after (GTK_WIDGET(self), "draw", 
+                          G_CALLBACK(user_widget_primitive_draw_cb_gtk_3),
+                          GTK_WIDGET(self));
+  #else
+  g_signal_connect_after (GTK_WIDGET(self), "expose-event", 
+                          G_CALLBACK(user_widget_primitive_draw_cb),
+                          GTK_WIDGET(self));  
+  #endif  
+}
+
+static void
+user_widget_dispose (GObject *object)
+{
+  //UserWidgetPrivate * priv = USER_WIDGET_GET_PRIVATE(USER_WIDGET(object)); 
+
+  G_OBJECT_CLASS (user_widget_parent_class)->dispose (object);
+}
+
+// TODO tidy up image and name
+static void
+user_widget_finalize (GObject *object)
+{
+  G_OBJECT_CLASS (user_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.
+ */
+
+#if GTK_CHECK_VERSION(3, 0, 0)  
+
+// Draw the triangle if the player is running ...
+static gboolean
+user_widget_primitive_draw_cb_gtk_3 (GtkWidget *widget,
+                                     cairo_t* cr,
+                                     gpointer user_data)
+{
+	/*
+  g_return_val_if_fail(IS_USER_WIDGET(user_data), FALSE);
+  UserWidget* meta = USER_WIDGET(user_data);
+  UserWidgetPrivate * priv = USER_WIDGET_GET_PRIVATE(meta);  
+
+  GtkStyle *style;
+  int x, y, arrow_width, arrow_height;               
+
+  gint offset = 3;
+  arrow_width = 5; 
+  arrow_height = 9;
+  
+  style = gtk_widget_get_style (widget);
+  
+  GtkAllocation allocation;
+  gtk_widget_get_allocation (widget, &allocation);
+  x = allocation.x;
+  y = 0;
+    
+  // Draw player icon  
+  if (priv->icon_buf != NULL){  
+    gdk_cairo_set_source_pixbuf (cr,
+                                 priv->icon_buf,
+                                 x + arrow_width + 1,
+                                 y + offset);
+    cairo_paint (cr);
+  }
+    
+  // Draw triangle but only if the player is running.
+  if (dbusmenu_menuitem_property_get_bool (priv->twin_item,
+                                             DBUSMENU_METADATA_MENUITEM_PLAYER_RUNNING)){
+    y += (double)arrow_height/2.0 + offset;
+    cairo_set_line_width (cr, 1.0);
+
+	//g_debug ("triangle drawing");
+
+    cairo_move_to (cr, x, y);
+    cairo_line_to (cr, x, y + arrow_height);
+    cairo_line_to (cr, x + arrow_width, y + (double)arrow_height/2.0);
+    cairo_close_path (cr);
+    cairo_set_source_rgb (cr, style->fg[gtk_widget_get_state(widget)].red/65535.0,
+                              style->fg[gtk_widget_get_state(widget)].green/65535.0,
+                              style->fg[gtk_widget_get_state(widget)].blue/65535.0);
+    cairo_fill (cr);                                             
+  }*/
+  
+  return FALSE;  
+}
+
+// GTK 2 Expose handler
+#else
+
+// Draw the triangle if the player is running ...
+static gboolean
+user_widget_primitive_draw_cb (GtkWidget *widget,
+                               GdkEventExpose *event,
+                               gpointer user_data)
+{
+  /*
+  g_return_val_if_fail(IS_USER_WIDGET(user_data), FALSE);
+  UserWidget* meta = USER_WIDGET(user_data);
+  UserWidgetPrivate * priv = USER_WIDGET_GET_PRIVATE(meta);  
+
+  GtkStyle *style;
+  cairo_t *cr;
+  int x, y, arrow_width, arrow_height;               
+
+  gint offset = 3;
+  arrow_width = 5; 
+  arrow_height = 9;
+  
+  style = gtk_widget_get_style (widget);
+
+  cr = (cairo_t*) gdk_cairo_create (gtk_widget_get_window (widget));  
+  
+  GtkAllocation allocation;
+  gtk_widget_get_allocation (widget, &allocation);
+  x = allocation.x;
+  y = allocation.y;
+    
+  // Draw player icon  
+  if (priv->icon_buf != NULL){  
+    gdk_cairo_set_source_pixbuf (cr,
+                                 priv->icon_buf,
+                                 x + arrow_width + 1,
+                                 y + offset);
+    cairo_paint (cr);
+  }
+    
+  // Draw triangle but only if the player is running.
+  if (dbusmenu_menuitem_property_get_bool (priv->twin_item,
+                                             DBUSMENU_METADATA_MENUITEM_PLAYER_RUNNING)){
+    y += (double)arrow_height/2.0 + offset;
+    cairo_set_line_width (cr, 1.0);
+
+    cairo_move_to (cr, x, y);
+    cairo_line_to (cr, x, y + arrow_height);
+    cairo_line_to (cr, x + arrow_width, y + (double)arrow_height/2.0);
+    cairo_close_path (cr);
+    cairo_set_source_rgb (cr, style->fg[gtk_widget_get_state(widget)].red/65535.0,
+                              style->fg[gtk_widget_get_state(widget)].green/65535.0,
+                              style->fg[gtk_widget_get_state(widget)].blue/65535.0);
+    cairo_fill (cr);                                             
+  }
+  
+  cairo_destroy (cr);*/
+  return FALSE;  
+}
+#endif
+
+
+/* Suppress/consume keyevents */
+static gboolean
+user_widget_button_release_event (GtkWidget *menuitem, 
+                                      GdkEventButton *event)
+{
+  return FALSE;
+}
+
+static void 
+user_widget_property_update (DbusmenuMenuitem* item, gchar* property, 
+                             GVariant* value, gpointer userdata)
+{
+  g_return_if_fail (IS_USER_WIDGET (userdata)); 
+
+}
+
+
+static void
+user_widget_set_twin_item (UserWidget* self,
+                           DbusmenuMenuitem* twin_item)
+{
+  UserWidgetPrivate* priv = USER_WIDGET_GET_PRIVATE(self);
+  priv->twin_item = twin_item;
+  g_signal_connect( G_OBJECT(priv->twin_item), "property-changed", 
+                    G_CALLBACK(user_widget_property_update), self);
+  
+}
+
+ /**
+ * transport_new:
+ * @returns: a new #UserWidget.
+ **/
+GtkWidget* 
+user_widget_new(DbusmenuMenuitem *item)
+{
+  GtkWidget* widget =  g_object_new(USER_WIDGET_TYPE, NULL);
+  user_widget_set_twin_item ( USER_WIDGET(widget), item );
+  return widget;                  
+}