git.maemo.org Git - modest/blob - src/modest-tny-header-tree-view.c

   1 /* modest-tny-header-tree-view.c
   2  *
   3  * This file is part of modest.
   4  *
   5  * Copyright (C) 2006 Nokia Corporation
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  *
  21  */
  22 #include <glib/gi18n.h>
  23 #include "modest-tny-header-tree-view.h"
  24
  25 /* 'private'/'protected' functions */
  26 static void modest_tny_header_tree_view_class_init  (ModestTnyHeaderTreeViewClass *klass);
  27 static void modest_tny_header_tree_view_init        (ModestTnyHeaderTreeView *obj);
  28 static void modest_tny_header_tree_view_finalize    (GObject *obj);
  29
  30 static void selection_changed (GtkTreeSelection *sel, gpointer user_data);
  31
  32 /* list my signals */
  33 enum {
  34         /* MY_SIGNAL_1, */
  35         MESSAGE_SELECTED_SIGNAL,
  36         LAST_SIGNAL
  37 };
  38
  39 typedef struct _ModestTnyHeaderTreeViewPrivate ModestTnyHeaderTreeViewPrivate;
  40 struct _ModestTnyHeaderTreeViewPrivate {
  41         TnyMsgFolderIface *tny_msg_folder;
  42         GtkTreeModel *header_tree_model;
  43 };
  44 #define MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  45                                                          MODEST_TYPE_TNY_HEADER_TREE_VIEW, \
  46                                                          ModestTnyHeaderTreeViewPrivate))
  47 /* globals */
  48 static GObjectClass *parent_class = NULL;
  49
  50 /* uncomment the following if you have defined any signals */
  51 static guint signals[LAST_SIGNAL] = {0};
  52
  53 GType
  54 modest_tny_header_tree_view_get_type (void)
  55 {
  56         static GType my_type = 0;
  57         if (!my_type) {
  58                 static const GTypeInfo my_info = {
  59                         sizeof(ModestTnyHeaderTreeViewClass),
  60                         NULL,           /* base init */
  61                         NULL,           /* base finalize */
  62                         (GClassInitFunc) modest_tny_header_tree_view_class_init,
  63                         NULL,           /* class finalize */
  64                         NULL,           /* class data */
  65                         sizeof(ModestTnyHeaderTreeView),
  66                         1,              /* n_preallocs */
  67                         (GInstanceInitFunc) modest_tny_header_tree_view_init,
  68                 };
  69                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
  70                                                   "ModestTnyHeaderTreeView",
  71                                                   &my_info, 0);
  72         }
  73         return my_type;
  74 }
  75
  76 static void
  77 modest_tny_header_tree_view_class_init (ModestTnyHeaderTreeViewClass *klass)
  78 {
  79         GObjectClass *gobject_class;
  80         gobject_class = (GObjectClass*) klass;
  81
  82         parent_class            = g_type_class_peek_parent (klass);
  83         gobject_class->finalize = modest_tny_header_tree_view_finalize;
  84
  85         g_type_class_add_private (gobject_class, sizeof(ModestTnyHeaderTreeViewPrivate));
  86
  87         signals[MESSAGE_SELECTED_SIGNAL] =
  88                 g_signal_new ("message_selected",
  89                               G_TYPE_FROM_CLASS (gobject_class),
  90                               G_SIGNAL_RUN_FIRST,
  91                               G_STRUCT_OFFSET (ModestTnyHeaderTreeViewClass,message_selected),
  92                               NULL, NULL,
  93                               g_cclosure_marshal_VOID__POINTER,
  94                               G_TYPE_NONE, 1, G_TYPE_POINTER);
  95 }
  96
  97 static void
  98 modest_tny_header_tree_view_init (ModestTnyHeaderTreeView *obj)
  99 {
 100         GtkTreeViewColumn *column;
 101         GtkCellRenderer *renderer = gtk_cell_renderer_text_new ();
 102         ModestTnyHeaderTreeViewPrivate *priv;
 103
 104         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(obj);
 105
 106         priv->tny_msg_folder = NULL;
 107         priv->header_tree_model = NULL;
 108
 109         column =  gtk_tree_view_column_new_with_attributes(_("Date"), renderer,
 110                                                            "text",
 111                                                            TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 112                                                            NULL);
 113         gtk_tree_view_column_set_resizable (column, TRUE);
 114         gtk_tree_view_append_column (GTK_TREE_VIEW(obj), column);
 115
 116
 117
 118         column =  gtk_tree_view_column_new_with_attributes(_("From"), renderer,
 119                                                            "text",
 120                                                            TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN,
 121                                                            NULL);
 122         gtk_tree_view_column_set_resizable (column, TRUE);
 123         gtk_tree_view_append_column (GTK_TREE_VIEW(obj), column);
 124
 125
 126         column =  gtk_tree_view_column_new_with_attributes(_("Subject"), renderer,
 127                                                            "text",
 128                                                            TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 129                                                            NULL);
 130         gtk_tree_view_column_set_resizable (column, TRUE);
 131         gtk_tree_view_append_column (GTK_TREE_VIEW(obj), column);
 132
 133         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(obj), TRUE);
 134         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), TRUE);
 135
 136 }
 137
 138 static void
 139 modest_tny_header_tree_view_finalize (GObject *obj)
 140 {
 141         ModestTnyHeaderTreeView        *self;
 142         ModestTnyHeaderTreeViewPrivate *priv;
 143
 144         self = MODEST_TNY_HEADER_TREE_VIEW(obj);
 145         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self);
 146
 147         if (priv->header_tree_model)
 148                 g_object_unref (G_OBJECT(priv->header_tree_model));
 149
 150         priv->header_tree_model = NULL;
 151         priv->tny_msg_folder    = NULL;
 152 }
 153
 154 GtkWidget*
 155 modest_tny_header_tree_view_new (TnyMsgFolderIface *folder)
 156 {
 157         GObject *obj;
 158         GtkTreeSelection *sel;
 159         ModestTnyHeaderTreeView *self;
 160
 161         obj  = G_OBJECT(g_object_new(MODEST_TYPE_TNY_HEADER_TREE_VIEW, NULL));
 162         self = MODEST_TNY_HEADER_TREE_VIEW(obj);
 163
 164         if (!modest_tny_header_tree_view_set_folder (self, NULL)) {
 165                 g_warning ("could not set the folder");
 166                 g_object_unref (obj);
 167                 return NULL;
 168         }
 169
 170         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 171         g_signal_connect (sel, "changed",
 172                           G_CALLBACK(selection_changed), self);
 173
 174         return GTK_WIDGET(self);
 175 }
 176
 177
 178 gboolean
 179 modest_tny_header_tree_view_set_folder (ModestTnyHeaderTreeView *self,
 180                                         TnyMsgFolderIface *folder)
 181 {
 182         GtkTreeModel *sortable;
 183         ModestTnyHeaderTreeViewPrivate *priv;
 184
 185         g_return_val_if_fail (self, FALSE);
 186
 187         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self);
 188
 189         /* clean up old stuff */
 190         if (priv->header_tree_model)
 191                 g_object_unref (G_OBJECT(priv->header_tree_model));
 192         priv->header_tree_model = NULL;
 193
 194         priv->header_tree_model = GTK_TREE_MODEL (tny_msg_header_list_model_new());
 195         if (folder) {
 196                 tny_msg_header_list_model_set_folder (
 197                         TNY_MSG_HEADER_LIST_MODEL(priv->header_tree_model),
 198                         folder, TRUE); /* FIXME: refresh?*/
 199
 200                 sortable = gtk_tree_model_sort_new_with_model (priv->header_tree_model);
 201
 202         } else {
 203                 static GtkTreeModel *empty_model = NULL;
 204                 if (!empty_model)
 205                         empty_model = GTK_TREE_MODEL(gtk_list_store_new(1,G_TYPE_STRING));
 206
 207                 sortable = empty_model;
 208         }
 209
 210         gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 211
 212         if (sortable)
 213                 g_object_unref (G_OBJECT(sortable));
 214
 215         return TRUE;
 216 }
 217
 218
 219 void
 220 selection_changed (GtkTreeSelection *sel, gpointer user_data)
 221 {
 222         GtkTreeModel            *model;
 223         TnyMsgHeaderIface       *header;
 224         GtkTreeIter             iter;
 225         ModestTnyHeaderTreeView *tree_view;
 226
 227         g_return_if_fail (sel);
 228         g_return_if_fail (user_data);
 229
 230         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 231                 return; /* msg was _un_selected */
 232
 233         tree_view = MODEST_TNY_HEADER_TREE_VIEW (user_data);
 234
 235         gtk_tree_model_get (model, &iter,
 236                             TNY_MSG_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 237                             &header, -1);
 238
 239         if (header) {
 240                 const TnyMsgIface *msg;
 241                 const TnyMsgFolderIface *folder;
 242
 243                 folder = tny_msg_header_iface_get_folder (TNY_MSG_HEADER_IFACE(header));
 244                 if (!folder) {
 245                         g_warning ("cannot find folder");
 246                         return;
 247                 }
 248
 249                 msg = tny_msg_folder_iface_get_message (TNY_MSG_FOLDER_IFACE(folder), header);
 250                 if (!msg) {
 251                         g_warning ("cannot find msg");
 252                         return;
 253                 }
 254
 255                 g_signal_emit (G_OBJECT(tree_view), signals[MESSAGE_SELECTED_SIGNAL], 0,
 256                                msg);
 257         }
 258 }