add selector .c and .h files

svn path=/trunk/; revision=2309

1 files changed, 333 insertions, 0 deletions

diff --git a/libempathy-gtk/empathy-contact-selector.c b/libempathy-gtk/empathy-contact-selector.c
new file mode 100644
index 000000000..390410866
--- /dev/null
+++ b/libempathy-gtk/empathy-contact-selector.c
@@ -0,0 +1,333 @@
+/*
+*  Copyright (C) 2008 Collabora Ltd.
+*
+*  This library is free software; you can redistribute it and/or
+*  modify it under the terms of the GNU Lesser General Public
+*  License as published by the Free Software Foundation; either
+*  version 2.1 of the License, or (at your option) any later version.
+*
+*  This library 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
+*  Lesser General Public License for more details.
+*
+*  You should have received a copy of the GNU Lesser General Public
+*  License along with this library; if not, write to the Free Software
+*  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*
+*  Authors: Elliot Fairweather <elliot.fairweather@collabora.co.uk>
+*/
+
+#include <gtk/gtk.h>
+
+#include <libempathy/empathy-contact.h>
+#include <libempathy-gtk/empathy-contact-list-store.h>
+#include "empathy-contact-selector.h"
+
+G_DEFINE_TYPE (EmpathyContactSelector, empathy_contact_selector,
+    GTK_TYPE_COMBO_BOX)
+
+#define GET_PRIV(object) (G_TYPE_INSTANCE_GET_PRIVATE \
+    ((object), EMPATHY_TYPE_CONTACT_SELECTOR, EmpathyContactSelectorPriv))
+
+enum {
+  CONTACT_COL,
+  NAME_COL,
+  STATUS_ICON_NAME_COL,
+  NUM_COLS
+};
+
+enum
+{
+  PROP_0,
+  PROP_STORE
+};
+
+typedef struct _EmpathyContactSelectorPriv EmpathyContactSelectorPriv;
+
+struct _EmpathyContactSelectorPriv
+{
+  EmpathyContactListStore *store;
+  GtkListStore *list_store;
+};
+
+
+
+EmpathyContact *
+empathy_contact_selector_get_selected (EmpathyContactSelector *selector)
+{
+  EmpathyContactSelectorPriv *priv = GET_PRIV (selector);
+  EmpathyContact *contact = NULL;
+  GtkTreeIter iter;
+
+  if (!gtk_combo_box_get_active_iter (GTK_COMBO_BOX (selector), &iter))
+    {
+      /* FIXME what to do? */
+      return NULL;
+    }
+
+  gtk_tree_model_get (GTK_TREE_MODEL (priv->list_store), &iter,
+      CONTACT_COL, &contact, -1);
+
+  return contact;
+}
+
+
+static void
+get_iter_from_contact (GtkListStore *list_store,
+                       GtkTreeIter *list_iter,
+                       EmpathyContact *contact)
+{
+  GtkTreePath *path;
+  GtkTreeIter tmp_iter;
+  EmpathyContact *tmp_contact;
+  gboolean found = FALSE;
+
+  /* Do a linear search to find the row with CONTACT_COL set to contact. */
+  path = gtk_tree_path_new_first ();
+  if (gtk_tree_model_get_iter (GTK_TREE_MODEL (list_store), &tmp_iter, path))
+    {
+      do
+        {
+          gtk_tree_model_get (GTK_TREE_MODEL (list_store),
+              &tmp_iter, CONTACT_COL, &tmp_contact, -1);
+          found = (tmp_contact == contact);
+          g_object_unref (tmp_contact);
+          if (found)
+            {
+              *list_iter = tmp_iter;
+              break;
+            }
+        } while (gtk_tree_model_iter_next (GTK_TREE_MODEL (list_store),
+              &tmp_iter));
+    }
+
+  /* The store does not contain the contact, so create a new row and set it. */
+  if (!found)
+    {
+      gtk_list_store_append (list_store, list_iter);
+      gtk_list_store_set (list_store, list_iter, CONTACT_COL, contact, -1);
+    }
+
+  gtk_tree_path_free (path);
+}
+
+
+static void
+empathy_store_row_changed_cb (EmpathyContactListStore *empathy_store,
+                              GtkTreePath *empathy_path,
+                              GtkTreeIter *empathy_iter,
+                              gpointer data)
+{
+  EmpathyContactSelector *selector = EMPATHY_CONTACT_SELECTOR (data);
+  EmpathyContactSelectorPriv *priv = GET_PRIV (selector);
+  GtkTreeIter list_iter;
+  EmpathyContact *contact;
+  gchar *name;
+  gchar *icon_name;
+  gboolean is_online;
+  gboolean had_active;
+
+  /* Something is currently selected or not. */
+  had_active = gtk_combo_box_get_active (GTK_COMBO_BOX (selector)) != -1;
+
+  /* Synchronize the GtkListStore with the EmpathyContactListStore. */
+  gtk_tree_model_get (GTK_TREE_MODEL (empathy_store), empathy_iter,
+      EMPATHY_CONTACT_LIST_STORE_COL_CONTACT, &contact,
+      EMPATHY_CONTACT_LIST_STORE_COL_NAME, &name,
+      EMPATHY_CONTACT_LIST_STORE_COL_ICON_STATUS, &icon_name,
+      EMPATHY_CONTACT_LIST_STORE_COL_IS_ONLINE, &is_online, -1);
+
+  if (!contact)
+    {
+      if (contact)
+        g_object_unref (contact);
+      g_free (name);
+      g_free (icon_name);
+      return;
+    }
+
+  get_iter_from_contact (priv->list_store, &list_iter, contact);
+
+  if (is_online)
+    {
+      gtk_list_store_set (priv->list_store, &list_iter, NAME_COL, name,
+          STATUS_ICON_NAME_COL, icon_name, -1);
+    }
+  else
+    {
+      /* We display only online contacts. */
+      gtk_list_store_remove (priv->list_store, &list_iter);
+
+      if (had_active &&
+          gtk_combo_box_get_active (GTK_COMBO_BOX (selector)) == -1)
+        {
+          /* There was an active contact but we removed it from
+           * the list, so select the first one.
+           */
+          gtk_combo_box_set_active (GTK_COMBO_BOX (selector), 0);
+        }
+    }
+
+  if (!gtk_tree_model_iter_n_children (GTK_TREE_MODEL (priv->list_store),
+        NULL))
+      gtk_widget_set_sensitive (GTK_WIDGET (selector), FALSE);
+  else
+      gtk_widget_set_sensitive (GTK_WIDGET (selector), TRUE);
+}
+
+static gboolean
+select_first_timeout_cb (gpointer data)
+{
+  /* If there is not an active contact select the first element in the list.
+   * Contacts are not added in alphabetical order to the list store, so
+   * we cannot select the first element in empathy_store_row_changed_cb()
+   * because we would probably select a random contact.
+   */
+  EmpathyContactSelector *selector = EMPATHY_CONTACT_SELECTOR (data);
+
+  if (gtk_combo_box_get_active (GTK_COMBO_BOX (selector)) == 0)
+    gtk_combo_box_set_active (GTK_COMBO_BOX (selector), 0);
+
+  return FALSE;
+}
+
+
+static GObject *
+empathy_contact_selector_constructor (GType type,
+                                      guint n_construct_params,
+                                      GObjectConstructParam *construct_params)
+{
+  GObject *object =
+      G_OBJECT_CLASS (empathy_contact_selector_parent_class)->constructor (type,
+      n_construct_params, construct_params);
+  EmpathyContactSelector *contact_selector = EMPATHY_CONTACT_SELECTOR (object);
+  EmpathyContactSelectorPriv *priv = GET_PRIV (contact_selector);
+  GtkCellRenderer *renderer;
+
+  g_object_set (priv->store, "is-compact", TRUE, "show-avatars", FALSE,
+      "show-offline", FALSE, "sort-criterium",
+      EMPATHY_CONTACT_LIST_STORE_SORT_NAME, NULL);
+
+  priv->list_store = gtk_list_store_new (NUM_COLS, EMPATHY_TYPE_CONTACT,
+        G_TYPE_STRING, G_TYPE_STRING);
+  gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (priv->list_store),
+        NAME_COL, GTK_SORT_ASCENDING);
+
+  g_signal_connect (priv->store, "row-changed",
+      G_CALLBACK (empathy_store_row_changed_cb), (gpointer) contact_selector);
+
+  gtk_combo_box_set_model (GTK_COMBO_BOX (contact_selector),
+      GTK_TREE_MODEL (priv->list_store));
+  gtk_widget_set_sensitive (GTK_WIDGET (contact_selector), FALSE);
+
+  /* Status icon */
+  renderer = gtk_cell_renderer_pixbuf_new ();
+  gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (contact_selector),
+      renderer, FALSE);
+  gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (contact_selector), renderer,
+      "icon-name", STATUS_ICON_NAME_COL, NULL);
+
+  /* Contact name */
+  renderer = gtk_cell_renderer_text_new ();
+  gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (contact_selector),
+      renderer, TRUE);
+  gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (contact_selector), renderer,
+      "text", NAME_COL, NULL);
+
+  g_timeout_add (200, select_first_timeout_cb, (gpointer) contact_selector);
+
+  object = G_OBJECT (contact_selector);
+  return object;
+}
+
+
+static void
+empathy_contact_selector_init (EmpathyContactSelector *empathy_contact_selector)
+{
+}
+
+
+static void
+empathy_contact_selector_set_property (GObject *object,
+                                       guint prop_id,
+                                       const GValue *value,
+                                       GParamSpec *pspec)
+{
+  EmpathyContactSelector *contact_selector = EMPATHY_CONTACT_SELECTOR (object);
+  EmpathyContactSelectorPriv *priv = GET_PRIV (contact_selector);
+
+  switch (prop_id)
+    {
+      case PROP_STORE:
+        priv->store = g_value_dup_object (value);
+        break;
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+        break;
+    }
+}
+
+
+static void
+empathy_contact_selector_get_property (GObject *object,
+                                       guint prop_id,
+                                       GValue *value,
+                                       GParamSpec *pspec)
+{
+  EmpathyContactSelector *contact_selector = EMPATHY_CONTACT_SELECTOR (object);
+  EmpathyContactSelectorPriv *priv = GET_PRIV (contact_selector);
+
+  switch (prop_id)
+    {
+      case PROP_STORE:
+        g_value_set_object (value, priv->store);
+        break;
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+        break;
+    }
+}
+
+
+static void
+empathy_contact_selector_dispose (GObject *object)
+{
+  g_debug ("EmpathyContactSelector - dispose: %p",  object);
+
+  (G_OBJECT_CLASS (empathy_contact_selector_parent_class)->dispose) (object);
+}
+
+
+static void
+empathy_contact_selector_finalize (GObject *object)
+{
+  g_debug ("EmpathyContactSelector - finalize: %p",  object);
+
+  (G_OBJECT_CLASS (empathy_contact_selector_parent_class)->finalize) (object);
+}
+
+
+static void
+empathy_contact_selector_class_init (EmpathyContactSelectorClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  object_class->constructor = empathy_contact_selector_constructor;
+  object_class->dispose = empathy_contact_selector_dispose;
+  object_class->finalize = empathy_contact_selector_finalize;
+  object_class->set_property = empathy_contact_selector_set_property;
+  object_class->get_property = empathy_contact_selector_get_property;
+  g_type_class_add_private (klass, sizeof (EmpathyContactSelectorPriv));
+
+  g_object_class_install_property (object_class, PROP_STORE,
+      g_param_spec_object ("store", "store", "store",
+      EMPATHY_TYPE_CONTACT_LIST_STORE, G_PARAM_CONSTRUCT_ONLY |
+      G_PARAM_READWRITE | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
+}
+
+
+EmpathyContactSelector *
+empathy_contact_selector_new (EmpathyContactListStore *store)
+{
+  return g_object_new (EMPATHY_TYPE_CONTACT_SELECTOR, "store", store, NULL);
+}