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 static void column_clicked (GtkTreeViewColumn *treeviewcolumn, gpointer user_data);
  32
  33 /* list my signals */
  34 enum {
  35         /* MY_SIGNAL_1, */
  36         MESSAGE_SELECTED_SIGNAL,
  37         LAST_SIGNAL
  38 };
  39
  40 typedef struct _ModestTnyHeaderTreeViewPrivate ModestTnyHeaderTreeViewPrivate;
  41 struct _ModestTnyHeaderTreeViewPrivate {
  42         TnyMsgFolderIface *tny_msg_folder;
  43         GtkTreeModel *header_tree_model;
  44 };
  45 #define MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  46                                                          MODEST_TYPE_TNY_HEADER_TREE_VIEW, \
  47                                                          ModestTnyHeaderTreeViewPrivate))
  48 /* globals */
  49 static GObjectClass *parent_class = NULL;
  50
  51 /* uncomment the following if you have defined any signals */
  52 static guint signals[LAST_SIGNAL] = {0};
  53
  54 GType
  55 modest_tny_header_tree_view_get_type (void)
  56 {
  57         static GType my_type = 0;
  58         if (!my_type) {
  59                 static const GTypeInfo my_info = {
  60                         sizeof(ModestTnyHeaderTreeViewClass),
  61                         NULL,           /* base init */
  62                         NULL,           /* base finalize */
  63                         (GClassInitFunc) modest_tny_header_tree_view_class_init,
  64                         NULL,           /* class finalize */
  65                         NULL,           /* class data */
  66                         sizeof(ModestTnyHeaderTreeView),
  67                         1,              /* n_preallocs */
  68                         (GInstanceInitFunc) modest_tny_header_tree_view_init,
  69                 };
  70                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
  71                                                   "ModestTnyHeaderTreeView",
  72                                                   &my_info, 0);
  73         }
  74         return my_type;
  75 }
  76
  77 static void
  78 modest_tny_header_tree_view_class_init (ModestTnyHeaderTreeViewClass *klass)
  79 {
  80         GObjectClass *gobject_class;
  81         gobject_class = (GObjectClass*) klass;
  82
  83         parent_class            = g_type_class_peek_parent (klass);
  84         gobject_class->finalize = modest_tny_header_tree_view_finalize;
  85
  86         g_type_class_add_private (gobject_class, sizeof(ModestTnyHeaderTreeViewPrivate));
  87
  88         signals[MESSAGE_SELECTED_SIGNAL] =
  89                 g_signal_new ("message_selected",
  90                               G_TYPE_FROM_CLASS (gobject_class),
  91                               G_SIGNAL_RUN_FIRST,
  92                               G_STRUCT_OFFSET (ModestTnyHeaderTreeViewClass,message_selected),
  93                               NULL, NULL,
  94                               g_cclosure_marshal_VOID__POINTER,
  95                               G_TYPE_NONE, 1, G_TYPE_POINTER);
  96 }
  97
  98 static void
  99 modest_tny_header_tree_view_init (ModestTnyHeaderTreeView *obj)
 100 {
 101         GtkTreeViewColumn *column;
 102         GtkCellRenderer *renderer = gtk_cell_renderer_text_new ();
 103         ModestTnyHeaderTreeViewPrivate *priv;
 104
 105         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(obj);
 106
 107         priv->tny_msg_folder = NULL;
 108         priv->header_tree_model = NULL;
 109
 110         column =  gtk_tree_view_column_new_with_attributes(_("Date"), renderer,
 111                                                            "text",
 112                                                            TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 113                                                            NULL);
 114         gtk_tree_view_column_set_resizable (column, TRUE);
 115         gtk_tree_view_column_set_sort_column_id (column, TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN);
 116         gtk_tree_view_column_set_sort_indicator (column, TRUE);
 117         gtk_tree_view_append_column (GTK_TREE_VIEW(obj), column);
 118         g_signal_connect (G_OBJECT (column), "clicked", G_CALLBACK (column_clicked), obj);
 119
 120
 121
 122         column =  gtk_tree_view_column_new_with_attributes(_("From"), renderer,
 123                                                            "text",
 124                                                            TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN,
 125                                                            NULL);
 126         gtk_tree_view_column_set_resizable (column, TRUE);
 127         gtk_tree_view_column_set_sort_column_id (column, TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN);
 128         gtk_tree_view_column_set_sort_indicator (column, TRUE);
 129         gtk_tree_view_append_column (GTK_TREE_VIEW(obj), column);
 130         g_signal_connect (G_OBJECT (column), "clicked", G_CALLBACK (column_clicked), obj);
 131
 132
 133         column =  gtk_tree_view_column_new_with_attributes(_("Subject"), renderer,
 134                                                            "text",
 135                                                            TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 136                                                            NULL);
 137         gtk_tree_view_column_set_resizable (column, TRUE);
 138         gtk_tree_view_column_set_sort_column_id (column, TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN);
 139         gtk_tree_view_column_set_sort_indicator (column, TRUE);
 140         gtk_tree_view_append_column (GTK_TREE_VIEW(obj), column);
 141         g_signal_connect (G_OBJECT (column), "clicked", G_CALLBACK (column_clicked), obj);
 142
 143         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(obj), TRUE);
 144         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), TRUE);
 145
 146         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj), TRUE); /* alternating row colors */
 147
 148 }
 149
 150 static void
 151 modest_tny_header_tree_view_finalize (GObject *obj)
 152 {
 153         ModestTnyHeaderTreeView        *self;
 154         ModestTnyHeaderTreeViewPrivate *priv;
 155
 156         self = MODEST_TNY_HEADER_TREE_VIEW(obj);
 157         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self);
 158
 159         if (priv->header_tree_model)
 160                 g_object_unref (G_OBJECT(priv->header_tree_model));
 161
 162         priv->header_tree_model = NULL;
 163         priv->tny_msg_folder    = NULL;
 164 }
 165
 166 GtkWidget*
 167 modest_tny_header_tree_view_new (TnyMsgFolderIface *folder)
 168 {
 169         GObject *obj;
 170         GtkTreeSelection *sel;
 171         ModestTnyHeaderTreeView *self;
 172
 173         obj  = G_OBJECT(g_object_new(MODEST_TYPE_TNY_HEADER_TREE_VIEW, NULL));
 174         self = MODEST_TNY_HEADER_TREE_VIEW(obj);
 175
 176         if (!modest_tny_header_tree_view_set_folder (self, NULL)) {
 177                 g_warning ("could not set the folder");
 178                 g_object_unref (obj);
 179                 return NULL;
 180         }
 181
 182         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 183         g_signal_connect (sel, "changed",
 184                           G_CALLBACK(selection_changed), self);
 185
 186         return GTK_WIDGET(self);
 187 }
 188
 189
 190 gboolean
 191 modest_tny_header_tree_view_set_folder (ModestTnyHeaderTreeView *self,
 192                                         TnyMsgFolderIface *folder)
 193 {
 194         GtkTreeModel *sortable;
 195         ModestTnyHeaderTreeViewPrivate *priv;
 196
 197         g_return_val_if_fail (self, FALSE);
 198
 199         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self);
 200
 201         /* clean up old stuff */
 202         if (priv->header_tree_model)
 203                 g_object_unref (G_OBJECT(priv->header_tree_model));
 204         priv->header_tree_model = NULL;
 205
 206         priv->header_tree_model = GTK_TREE_MODEL (tny_msg_header_list_model_new());
 207         if (folder) {
 208                 tny_msg_header_list_model_set_folder (
 209                         TNY_MSG_HEADER_LIST_MODEL(priv->header_tree_model),
 210                         folder, TRUE); /* FIXME: refresh?*/
 211
 212                 sortable = gtk_tree_model_sort_new_with_model (priv->header_tree_model);
 213
 214         } else {
 215                 static GtkTreeModel *empty_model = NULL;
 216                 if (!empty_model)
 217                         empty_model = GTK_TREE_MODEL(gtk_list_store_new(1, G_TYPE_STRING));
 218
 219                 sortable = empty_model;
 220         }
 221
 222         gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 223
 224         if (sortable)
 225                 g_object_unref (G_OBJECT(sortable));
 226
 227         return TRUE;
 228 }
 229
 230
 231 static void
 232 selection_changed (GtkTreeSelection *sel, gpointer user_data)
 233 {
 234         GtkTreeModel            *model;
 235         TnyMsgHeaderIface       *header;
 236         GtkTreeIter             iter;
 237         ModestTnyHeaderTreeView *tree_view;
 238
 239         g_return_if_fail (sel);
 240         g_return_if_fail (user_data);
 241
 242         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 243                 return; /* msg was _un_selected */
 244
 245         tree_view = MODEST_TNY_HEADER_TREE_VIEW (user_data);
 246
 247         gtk_tree_model_get (model, &iter,
 248                             TNY_MSG_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 249                             &header, -1);
 250
 251         if (header) {
 252                 const TnyMsgIface *msg;
 253                 const TnyMsgFolderIface *folder;
 254
 255                 folder = tny_msg_header_iface_get_folder (TNY_MSG_HEADER_IFACE(header));
 256                 if (!folder)
 257                         g_message ("cannot find folder");
 258                 else {
 259                         msg = tny_msg_folder_iface_get_message (TNY_MSG_FOLDER_IFACE(folder),
 260                                                                 header);
 261                         if (!msg)
 262                                 g_message ("cannot find msg");
 263                 }
 264                 g_signal_emit (G_OBJECT(tree_view), signals[MESSAGE_SELECTED_SIGNAL], 0,
 265                                msg);
 266         }
 267 }
 268
 269 static void
 270 column_clicked (GtkTreeViewColumn *treeviewcolumn, gpointer user_data)
 271 {
 272         GtkTreeView *treeview = GTK_TREE_VIEW (user_data);
 273         gint id;
 274
 275         id = gtk_tree_view_column_get_sort_column_id (treeviewcolumn);
 276
 277         gtk_tree_view_set_search_column (treeview, id);
 278 }