shell: add a new settings shell

The new shell provides an implementation of CcShell and also removes the
dependency on libslab.

shell/cc-shell-item-view.c

@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2010 Intel, Inc.
+ *
+ * The Control Center is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * The Control Center is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * 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 the Control Center; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Author: Thomas Wood <thos@gnome.org>
+ */
+
+#include "cc-shell-item-view.h"
+#include "cc-shell-model.h"
+#include "cc-shell-marshal.h"
+
+G_DEFINE_TYPE (CcShellItemView, cc_shell_item_view, GTK_TYPE_ICON_VIEW)
+
+#define SHELL_ITEM_VIEW_PRIVATE(o) \
+  (G_TYPE_INSTANCE_GET_PRIVATE ((o), CC_TYPE_SHELL_ITEM_VIEW, CcShellItemViewPrivate))
+
+struct _CcShellItemViewPrivate
+{
+  gboolean ignore_release;
+};
+
+
+enum
+{
+  DESKTOP_ITEM_ACTIVATED,
+
+  LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = {0,};
+
+static void
+cc_shell_item_view_get_property (GObject    *object,
+                                 guint       property_id,
+                                 GValue     *value,
+                                 GParamSpec *pspec)
+{
+  switch (property_id)
+    {
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+    }
+}
+
+static void
+cc_shell_item_view_set_property (GObject      *object,
+                                 guint         property_id,
+                                 const GValue *value,
+                                 GParamSpec   *pspec)
+{
+  switch (property_id)
+    {
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+    }
+}
+
+static void
+cc_shell_item_view_dispose (GObject *object)
+{
+  G_OBJECT_CLASS (cc_shell_item_view_parent_class)->dispose (object);
+}
+
+static void
+cc_shell_item_view_finalize (GObject *object)
+{
+  G_OBJECT_CLASS (cc_shell_item_view_parent_class)->finalize (object);
+}
+
+static gboolean
+iconview_button_press_event_cb (GtkWidget       *widget,
+                                GdkEventButton  *event,
+                                CcShellItemView *cc_view)
+{
+  /* be sure to ignore double and triple clicks */
+  cc_view->priv->ignore_release = (event->type != GDK_BUTTON_PRESS);
+
+  return FALSE;
+}
+
+static gboolean
+iconview_button_release_event_cb (GtkWidget       *widget,
+                                  GdkEventButton  *event,
+                                  CcShellItemView *cc_view)
+{
+  CcShellItemViewPrivate *priv = cc_view->priv;
+
+  if (event->button == 1 && !priv->ignore_release)
+    {
+      GList *selection;
+
+      selection =
+        gtk_icon_view_get_selected_items (GTK_ICON_VIEW (cc_view));
+
+      if (!selection)
+        return TRUE;
+
+      gtk_icon_view_item_activated (GTK_ICON_VIEW (cc_view),
+                                    (GtkTreePath*) selection->data);
+
+      g_list_free (selection);
+    }
+
+  return TRUE;
+}
+
+static void
+iconview_item_activated_cb (GtkIconView     *icon_view,
+                            GtkTreePath     *path,
+                            CcShellItemView *cc_view)
+{
+  GtkTreeModel *model;
+  GtkTreeIter iter;
+  gchar *name, *desktop_file, *id;
+
+  model = gtk_icon_view_get_model (icon_view);
+
+  gtk_icon_view_unselect_all (icon_view);
+
+  /* get the iter and ensure it is valid */
+  if (!gtk_tree_model_get_iter (model, &iter, path))
+    return;
+
+  gtk_tree_model_get (model, &iter,
+                      COL_NAME, &name,
+                      COL_DESKTOP_FILE, &desktop_file,
+                      COL_ID, &id,
+                      -1);
+
+  g_signal_emit (cc_view, signals[DESKTOP_ITEM_ACTIVATED], 0,
+                 name, id, desktop_file);
+
+  g_free (desktop_file);
+  g_free (name);
+  g_free (id);
+}
+
+static void
+cc_shell_item_view_class_init (CcShellItemViewClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  g_type_class_add_private (klass, sizeof (CcShellItemViewPrivate));
+
+  object_class->get_property = cc_shell_item_view_get_property;
+  object_class->set_property = cc_shell_item_view_set_property;
+  object_class->dispose = cc_shell_item_view_dispose;
+  object_class->finalize = cc_shell_item_view_finalize;
+
+  signals[DESKTOP_ITEM_ACTIVATED] = g_signal_new ("desktop-item-activated",
+                                                  CC_TYPE_SHELL_ITEM_VIEW,
+                                                  G_SIGNAL_RUN_FIRST,
+                                                  0,
+                                                  NULL,
+                                                  NULL,
+                                                  cc_shell_marshal_VOID__STRING_STRING_STRING,
+                                                  G_TYPE_NONE,
+                                                  3,
+                                                  G_TYPE_STRING,
+                                                  G_TYPE_STRING,
+                                                  G_TYPE_STRING);
+}
+
+static void
+cc_shell_item_view_init (CcShellItemView *self)
+{
+  self->priv = SHELL_ITEM_VIEW_PRIVATE (self);
+
+  g_signal_connect (self, "item-activated",
+                    G_CALLBACK (iconview_item_activated_cb), self);
+  g_signal_connect (self, "button-press-event",
+                    G_CALLBACK (iconview_button_press_event_cb), self);
+  g_signal_connect (self, "button-release-event",
+                    G_CALLBACK (iconview_button_release_event_cb), self);
+}
+
+GtkWidget *
+cc_shell_item_view_new (void)
+{
+  return g_object_new (CC_TYPE_SHELL_ITEM_VIEW, NULL);
+}