* add compact display as default, some icons
[modest] / src / modest-tny-header-tree-view.c
index 6920f69..bc80e91 100644 (file)
@@ -1,8 +1,9 @@
-/* modest-tny-header-tree-view.c */
-
-/* insert (c)/licensing information) */
-
+/* modest-tny-header-tree-view.c 
+ */
+#include <glib/gi18n.h>
 #include "modest-tny-header-tree-view.h"
+#include <tny-list-iface.h>
+#include <string.h>
 
 /* 'private'/'protected' functions */
 static void modest_tny_header_tree_view_class_init  (ModestTnyHeaderTreeViewClass *klass);
@@ -10,18 +11,34 @@ static void modest_tny_header_tree_view_init        (ModestTnyHeaderTreeView *ob
 static void modest_tny_header_tree_view_finalize    (GObject *obj);
 
 static void selection_changed (GtkTreeSelection *sel, gpointer user_data);
-       
-/* list my signals */
+static void column_clicked (GtkTreeViewColumn *treeviewcolumn, gpointer user_data);
+
+#define PIXMAP_PREFIX PREFIX "/share/modest/pixmaps/"
+
 enum {
-       /* MY_SIGNAL_1, */
        MESSAGE_SELECTED_SIGNAL,
        LAST_SIGNAL
 };
 
+enum {
+       HEADER_ICON_READ,
+       HEADER_ICON_UNREAD,
+       HEADER_ICON_ATTACH,
+       HEADER_ICON_NUM
+};
+
+
 typedef struct _ModestTnyHeaderTreeViewPrivate ModestTnyHeaderTreeViewPrivate;
 struct _ModestTnyHeaderTreeViewPrivate {
+
        TnyMsgFolderIface *tny_msg_folder;
-       GtkTreeModel *header_tree_model;
+       TnyListIface      *headers;
+
+       GdkPixbuf   *icons[HEADER_ICON_NUM];
+       guint sort_columns[MODEST_TNY_HEADER_TREE_VIEW_COLUMN_NUM];
+
+       GSList *columns;
+       ModestTnyHeaderTreeViewStyle style;
 };
 #define MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
                                                          MODEST_TYPE_TNY_HEADER_TREE_VIEW, \
@@ -76,14 +93,298 @@ modest_tny_header_tree_view_class_init (ModestTnyHeaderTreeViewClass *klass)
                              G_TYPE_NONE, 1, G_TYPE_POINTER);  
 }
 
+
+
+
+
+static void
+msgtype_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
+                  GtkTreeModel *tree_model, GtkTreeIter *iter,
+                  GdkPixbuf *icons[HEADER_ICON_NUM])
+{
+       TnyMsgHeaderFlags flags;
+       GdkPixbuf *pixbuf;
+
+       gtk_tree_model_get (tree_model, iter, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
+                           &flags, -1);
+
+       if (flags & TNY_MSG_HEADER_FLAG_SEEN)
+               pixbuf = icons[HEADER_ICON_READ];
+       else
+               pixbuf = icons[HEADER_ICON_UNREAD];
+       
+       g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf,
+                     NULL);
+}
+
+static void
+attach_cell_data (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
+                 GtkTreeModel *tree_model,  GtkTreeIter *iter, GdkPixbuf *icons[HEADER_ICON_NUM])
+{
+       TnyMsgHeaderFlags flags;
+       GdkPixbuf *pixbuf;
+
+       gtk_tree_model_get (tree_model, iter, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
+                           &flags, -1);
+       if (flags & TNY_MSG_HEADER_FLAG_ATTACHMENTS)
+               pixbuf = icons[HEADER_ICON_ATTACH];
+       else
+               pixbuf = NULL;
+       
+       g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf, NULL);
+}
+
+
+
+static void
+header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
+                 GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
+{
+       GObject *rendobj;
+       TnyMsgHeaderFlags flags;
+       
+       gtk_tree_model_get (tree_model, iter, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
+                           &flags, -1);
+       rendobj = G_OBJECT(renderer);           
+       
+       if (!(flags & TNY_MSG_HEADER_FLAG_SEEN))
+               g_object_set (rendobj, "weight", 800, NULL);
+       else
+               g_object_set (rendobj, "weight", 400, NULL); /* default, non-bold */
+}
+
+
+
+static void
+sender_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
+                  GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
+{
+       GObject *rendobj;
+       TnyMsgHeaderFlags flags;
+       gchar *from;
+       gchar *address;
+       
+       gtk_tree_model_get (tree_model, iter,
+                           TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN,  &from,
+                           TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
+                           TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN, &flags
+                           -1);
+       rendobj = G_OBJECT(renderer);           
+
+       /* simplistic --> remove <email@address> from display */
+       address = g_strstr_len (from, strlen(from), "<");
+       if (address) {
+               address[0]='\0';
+               g_object_set (rendobj, "text", from, NULL);
+               g_free (from);
+       }
+                            
+       if (!(flags & TNY_MSG_HEADER_FLAG_SEEN))
+               g_object_set (rendobj, "weight", 800, NULL);
+       else
+               g_object_set (rendobj, "weight", 400, NULL); /* default, non-bold */
+}
+
+
+
+compact_header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
+                          GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
+{
+       GObject *rendobj;
+       TnyMsgHeaderFlags flags;
+       gchar *from, *subject, *date;
+       gchar *address;
+       gchar *header;
+       
+       gtk_tree_model_get (tree_model, iter,
+                           TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
+                           TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN,  &from,
+                           TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN, &subject,
+                           TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN, &date,
+                           -1);
+       rendobj = G_OBJECT(renderer);           
+       
+       /* simplistic --> remove <email@address> from display */
+       address = g_strstr_len (from, strlen(from), "<");
+       if (address)
+               address[0]='\0'; /* set a new endpoint */
+       
+       header = g_strdup_printf ("%s %s\n%s", from, date, subject);
+       g_object_set (rendobj, "text", header, NULL);
+
+       g_free (header);
+       g_free (from);
+       g_free (subject);
+       g_free (date);
+       
+       if (!(flags & TNY_MSG_HEADER_FLAG_SEEN))
+               g_object_set (rendobj, "weight", 800, NULL);
+       else
+               g_object_set (rendobj, "weight", 400, NULL); /* default, non-bold */
+}
+
+
+
+
+
+static void
+init_icons (GdkPixbuf *icons[HEADER_ICON_NUM])
+{
+       icons[HEADER_ICON_UNREAD] =
+               gdk_pixbuf_new_from_file (PIXMAP_PREFIX "qgn_list_messagin_mail_unread.png",NULL);
+       icons[HEADER_ICON_READ] =
+               gdk_pixbuf_new_from_file (PIXMAP_PREFIX "qgn_list_messagin_mail.png",NULL);
+       icons[HEADER_ICON_ATTACH] =
+               gdk_pixbuf_new_from_file (PIXMAP_PREFIX "clip.xpm",NULL);
+}
+
+
+
+static GtkTreeViewColumn*
+get_new_column (const gchar *name, GtkCellRenderer *renderer,
+               gboolean resizable, gint sort_col_id, gboolean show_as_text,
+               GtkTreeCellDataFunc cell_data_func, gpointer user_data)
+{
+       GtkTreeViewColumn *column;
+
+       column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
+       gtk_tree_view_column_set_resizable (column, resizable);
+
+       if (show_as_text) 
+               gtk_tree_view_column_add_attribute (column, renderer, "text",
+                                                   sort_col_id);
+       if (sort_col_id >= 0)
+               gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
+
+       gtk_tree_view_column_set_sort_indicator (column, FALSE);
+       gtk_tree_view_column_set_reorderable (column, TRUE);
+
+       if (cell_data_func)
+               gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
+                                                       user_data, NULL);
+
+/*     g_signal_connect (G_OBJECT (column), "clicked", */
+/*                       G_CALLBACK (column_clicked), obj);  */
+
+       return column;
+}
+
+
+
+
+static void
+remove_all_columns (ModestTnyHeaderTreeView *obj)
+{
+       GList *columns, *cursor;
+
+       columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
+
+       for (cursor = columns; cursor; cursor = cursor->next)
+               gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
+                                            GTK_TREE_VIEW_COLUMN(cursor->data));
+       g_list_free (columns);  
+}
+
+
+
+
+static void
+init_columns (ModestTnyHeaderTreeView *obj)
+{
+       GtkTreeViewColumn *column;
+       GtkCellRenderer *renderer_msgtype,
+               *renderer_header,
+               *renderer_attach;
+
+       ModestTnyHeaderTreeViewPrivate *priv;
+       GSList *cursor;
+       
+       priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(obj); 
+                       
+       renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
+       renderer_attach  = gtk_cell_renderer_pixbuf_new ();
+       renderer_header = gtk_cell_renderer_text_new (); 
+       
+       remove_all_columns (obj);
+       
+       for (cursor = priv->columns; cursor; cursor = cursor->next) {
+               ModestTnyHeaderTreeViewColumn col =
+                       (ModestTnyHeaderTreeViewColumn) GPOINTER_TO_INT(cursor->data);
+               
+               switch (col) {
+                       
+               case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_MSGTYPE:
+
+                       column = get_new_column (_("M"), renderer_msgtype, FALSE,
+                                                TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
+                                                FALSE, (GtkTreeCellDataFunc)msgtype_cell_data, priv->icons);
+                       break;
+
+               case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_ATTACH:
+
+                       column = get_new_column (_("A"), renderer_attach, FALSE,
+                                                TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
+                                                FALSE, (GtkTreeCellDataFunc)attach_cell_data, priv->icons);
+                       break;
+                       
+               case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_RECEIVED_DATE:
+                       column = get_new_column (_("Received"), renderer_header, TRUE,
+                                                TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
+                                                TRUE, (GtkTreeCellDataFunc)header_cell_data, NULL);
+                       break;
+                       
+               case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_FROM:
+                       column = get_new_column (_("From"), renderer_header, TRUE,
+                                                TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN,
+                                                TRUE, (GtkTreeCellDataFunc)sender_cell_data, NULL);
+                       break;
+
+               case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_COMPACT_HEADER:
+                       column = get_new_column (_("Header"), renderer_header, TRUE,
+                                                TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN,
+                                                TRUE, (GtkTreeCellDataFunc)compact_header_cell_data, NULL);
+                       break;
+                       
+               case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_SUBJECT:
+                       column = get_new_column (_("Subject"), renderer_header, TRUE,
+                                                TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN,
+                                                TRUE, (GtkTreeCellDataFunc)header_cell_data, NULL);
+                       break;
+                       
+                       
+               case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_SENT_DATE:
+                       column = get_new_column (_("Sent"), renderer_header, TRUE,
+                                                TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
+                                                TRUE, (GtkTreeCellDataFunc)header_cell_data, NULL);
+                       break;
+                       
+               case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_TO:
+                       column = get_new_column (_("To"), renderer_header, TRUE,
+                                                TNY_MSG_HEADER_LIST_MODEL_TO_COLUMN,
+                                                TRUE, (GtkTreeCellDataFunc)header_cell_data, NULL);
+                       break;
+               }
+               gtk_tree_view_append_column (GTK_TREE_VIEW(obj), column);               
+       }       
+}
+
+
+
+
+
 static void
 modest_tny_header_tree_view_init (ModestTnyHeaderTreeView *obj)
 {
-       ModestTnyHeaderTreeViewPrivate *priv;
+       ModestTnyHeaderTreeViewPrivate *priv;
+       int i;
+
        priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(obj); 
+       
+       for (i = 0; i != MODEST_TNY_HEADER_TREE_VIEW_COLUMN_NUM; ++i)
+               priv->sort_columns[i] = -1;
 
-       priv->tny_msg_folder = NULL;
-       priv->header_tree_model = NULL;
+       
+       init_icons (priv->icons);       
 }
 
 static void
@@ -91,33 +392,54 @@ modest_tny_header_tree_view_finalize (GObject *obj)
 {
        ModestTnyHeaderTreeView        *self;
        ModestTnyHeaderTreeViewPrivate *priv;
-
+       int i;
+       
        self = MODEST_TNY_HEADER_TREE_VIEW(obj);
        priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self);
 
-       if (priv->header_tree_model)    
-               g_object_unref (G_OBJECT(priv->header_tree_model));
-
-       priv->header_tree_model = NULL;
+       if (priv->headers)      
+               g_object_unref (G_OBJECT(priv->headers));
+       
+       priv->headers = NULL;
        priv->tny_msg_folder    = NULL;
+
+       /* cleanup our icons */
+       for (i = 0; i != HEADER_ICON_NUM; ++i) {
+               if (priv->icons[i]) {
+                       g_object_unref (G_OBJECT(priv->icons[i]));
+                       priv->icons[i] = NULL;
+               }
+       }
 }
 
 GtkWidget*
-modest_tny_header_tree_view_new (TnyMsgFolderIface *folder)
+modest_tny_header_tree_view_new (TnyMsgFolderIface *folder,
+                                GSList *columns,
+                                ModestTnyHeaderTreeViewStyle style)
 {
        GObject *obj;
        GtkTreeSelection *sel;
        ModestTnyHeaderTreeView *self;
-               
+       
        obj  = G_OBJECT(g_object_new(MODEST_TYPE_TNY_HEADER_TREE_VIEW, NULL));
        self = MODEST_TNY_HEADER_TREE_VIEW(obj);
-
+       
        if (!modest_tny_header_tree_view_set_folder (self, NULL)) {
                g_warning ("could not set the folder");
                g_object_unref (obj);
                return NULL;
        }
-               
+       
+       modest_tny_header_tree_view_set_style   (self, style);
+       modest_tny_header_tree_view_set_columns (self, columns);
+       
+       /* all cols */
+       gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(obj), TRUE);
+       gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), TRUE);
+       
+       gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
+                                     TRUE); /* alternating row colors */
+
        sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
        g_signal_connect (sel, "changed",
                          G_CALLBACK(selection_changed), self);
@@ -125,49 +447,223 @@ modest_tny_header_tree_view_new (TnyMsgFolderIface *folder)
        return GTK_WIDGET(self);
 }
 
-
 gboolean
-modest_tny_header_tree_view_set_folder (ModestTnyHeaderTreeView *self,
-                                       TnyMsgFolderIface *folder)
+modest_tny_header_tree_view_set_columns (ModestTnyHeaderTreeView *self, GSList *columns)
 {
-       GtkTreeModel *sortable;
        ModestTnyHeaderTreeViewPrivate *priv;
+       GSList *cursor;
 
        g_return_val_if_fail (self, FALSE);
+       
+       priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self);
+
+       g_slist_free (priv->columns);
+       
+       for (cursor = columns; cursor; cursor = cursor->next) {
+               ModestTnyHeaderTreeViewColumn col = 
+                       (ModestTnyHeaderTreeViewColumn) GPOINTER_TO_INT(cursor->data);
+               if (0 > col || col >= MODEST_TNY_HEADER_TREE_VIEW_COLUMN_NUM)
+                       g_warning ("invalid column in column list");
+               else
+                       priv->columns = g_slist_append (priv->columns, cursor->data);
+       }
+
+       init_columns (self); /* redraw them */
+       return TRUE;
+}
+
+
 
+const GSList*
+modest_tny_header_tree_view_get_columns (ModestTnyHeaderTreeView *self)
+{
+       ModestTnyHeaderTreeViewPrivate *priv;
+       GSList *cursor;
+
+       g_return_val_if_fail (self, FALSE);
+       
        priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self);
+       return priv->columns;
+}
 
-       /* clean up old stuff */
-       if (priv->header_tree_model)
-               g_object_unref (G_OBJECT(priv->header_tree_model));
-       priv->header_tree_model = NULL;
 
-       priv->header_tree_model = GTK_TREE_MODEL (tny_msg_header_list_model_new());
-       if (folder) {
-               tny_msg_header_list_model_set_folder (
-                       TNY_MSG_HEADER_LIST_MODEL(priv->header_tree_model),
-                       folder, TRUE); /* FIXME: refresh?*/
+
+
+gboolean
+modest_tny_header_tree_view_set_style (ModestTnyHeaderTreeView *self,
+                                      ModestTnyHeaderTreeViewStyle style)
+{
+       g_return_val_if_fail (self, FALSE);
+       g_return_val_if_fail (style >= 0 && style < MODEST_TNY_HEADER_TREE_VIEW_STYLE_NUM,
+                             FALSE);
+       
+       MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self)->style = style;
+       
+       return TRUE;
+}
+
+ModestTnyHeaderTreeViewStyle
+modest_tny_header_tree_view_get_style (ModestTnyHeaderTreeView *self)
+{
+       g_return_val_if_fail (self, FALSE);
+
+       return MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self)->style;
+}
+
+
+
+/* get the length of any prefix that should be ignored for sorting */
+static int 
+get_prefix_len (const gchar *sub)
+{
+       int i = 0;
+       const static gchar* prefix[] = {"Re:", "RE:", "Fwd:", "FWD:", NULL};
+
+       if (sub[0] != 'R' && sub[0] != 'F') /* optimization */
+               return 0;
+       
+       while (prefix[i]) {
+               if (g_str_has_prefix(sub, prefix[i])) {
+                       int prefix_len = strlen(prefix[i]); 
+                       if (sub[prefix_len + 1] == ' ')
+                               ++prefix_len; /* ignore space after prefix as well */
+                       return prefix_len; 
+               }
+       }
+       return 0;
+}
+
+
+static gint
+cmp_normalized_subject (const gchar* s1, const gchar *s2)
+{
+       /* FIXME: utf8 */
+       return strcmp (s1 + get_prefix_len(s1),
+                      s2 + get_prefix_len(s2));
+}
+
+
+static gint
+cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
+         gpointer user_data)
+{
+       gint col_id = GPOINTER_TO_INT (user_data);
+       gint val1, val2;
+
+       g_return_val_if_fail (GTK_IS_TREE_MODEL(tree_model), -1);
+       
+       switch (col_id) {
+
+       case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_COMPACT_HEADER:
+       case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_RECEIVED_DATE:
+               gtk_tree_model_get (tree_model, iter1, TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
+                                   &val1,-1);
+               gtk_tree_model_get (tree_model, iter2, TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
+                                   &val2,-1);
+               return val1 - val2;
+
+               
+       case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_SENT_DATE:
+               gtk_tree_model_get (tree_model, iter1, TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
+                                   &val1,-1);
+               gtk_tree_model_get (tree_model, iter2, TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
+                                   &val2,-1);
+               return val1 - val2;
+
+       case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_SUBJECT: {
+               gchar *sub1, *sub2;
+               int retval;
                
-               sortable = gtk_tree_model_sort_new_with_model (priv->header_tree_model);
+               gtk_tree_model_get (tree_model, iter1, TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN,
+                                   &sub1,-1);
+               gtk_tree_model_get (tree_model, iter2, TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN,
+                                   &sub2,-1);
                
-       } else {
-               static GtkTreeModel *empty_model = NULL;
-               if (!empty_model)
-                       empty_model = GTK_TREE_MODEL(gtk_list_store_new(1,G_TYPE_STRING));
+               retval = cmp_normalized_subject(sub1, sub2);
 
-               sortable = empty_model;
+               g_free (sub1);
+               g_free (sub2);
+               
+               return retval;
        }
+               
+       case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_ATTACH:
+               gtk_tree_model_get (tree_model, iter1, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
+                                   &val1,-1);
+               gtk_tree_model_get (tree_model, iter2, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
+                                   &val2,-1);
+               
+               return (val1 & TNY_MSG_HEADER_FLAG_ATTACHMENTS) - (val2 & TNY_MSG_HEADER_FLAG_ATTACHMENTS);
+       
+
+       case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_MSGTYPE:
+               gtk_tree_model_get (tree_model, iter1, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
+                                   &val1,-1);
+               gtk_tree_model_get (tree_model, iter2, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
+                                   &val2,-1);
 
-       gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
+               g_message ("%p %p", iter1, iter2);
+               return (val1 & TNY_MSG_HEADER_FLAG_SEEN) - (val2 & TNY_MSG_HEADER_FLAG_SEEN);
 
-       if (sortable)
-               g_object_unref (G_OBJECT(sortable));
+       default:
+               g_message ("%p %p", iter1, iter2);
+               return &iter1 - &iter2;
+       }
+}
+
+
+gboolean
+modest_tny_header_tree_view_set_folder (ModestTnyHeaderTreeView *self,
+                                       TnyMsgFolderIface *folder)
+{
+       int i;
+       GtkTreeModel *oldsortable, *sortable, *oldmodel;
+       ModestTnyHeaderTreeViewPrivate *priv;
+       
+       g_return_val_if_fail (self, FALSE);
+
+       priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self);
        
+       if (folder) {
+               priv->headers = TNY_LIST_IFACE(tny_msg_header_list_model_new ());
+               tny_msg_folder_iface_get_headers (folder, priv->headers,
+                                                 FALSE);
+               tny_msg_header_list_model_set_folder (TNY_MSG_HEADER_LIST_MODEL(priv->headers),
+                                                     folder, TRUE);
+               
+               oldsortable = gtk_tree_view_get_model(GTK_TREE_VIEW (self));
+               if (oldsortable && GTK_IS_TREE_MODEL_SORT(oldsortable)) {
+                       GtkTreeModel *oldmodel = gtk_tree_model_sort_get_model
+                               (GTK_TREE_MODEL_SORT(oldsortable));
+                       if (oldmodel)
+                               g_object_unref (G_OBJECT(oldmodel));
+                       g_object_unref (oldsortable);
+               }
+       
+               sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
+               
+               for (i = 0; i != MODEST_TNY_HEADER_TREE_VIEW_COLUMN_NUM; ++i) {
+                       int col_id = priv->sort_columns[i];
+                       if (col_id >= 0) {
+                               g_message ("%d: %p: %p: %d", i, GTK_TREE_SORTABLE(sortable), sortable, col_id);
+                               gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable), col_id,
+                                                                (GtkTreeIterCompareFunc)cmp_rows,
+                                                                GINT_TO_POINTER(col_id), NULL);
+                       }
+               }
+               gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
+               gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), TRUE);
+
+               /* no need to unref sortable */
+               
+       } else /* when there is no folder */
+               gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), FALSE);
+                                        
        return TRUE;
 }
 
 
-void
+static void
 selection_changed (GtkTreeSelection *sel, gpointer user_data)
 {
        GtkTreeModel            *model;
@@ -188,22 +684,39 @@ selection_changed (GtkTreeSelection *sel, gpointer user_data)
                            &header, -1);
        
        if (header) {
+               TnyMsgHeaderFlags flags;
                const TnyMsgIface *msg;
                const TnyMsgFolderIface *folder;
                
                folder = tny_msg_header_iface_get_folder (TNY_MSG_HEADER_IFACE(header));
-               if (!folder) {
-                       g_warning ("cannot find folder");
-                       return;
+               if (!folder)
+                       g_message ("cannot find folder");
+               else {
+                       msg = tny_msg_folder_iface_get_message (TNY_MSG_FOLDER_IFACE(folder),
+                                                               header);
+                       if (!msg) {
+                               g_message ("cannot find msg");
+                               /* FIXME: update display */
+                       }
                }
-               
-               msg = tny_msg_folder_iface_get_message (TNY_MSG_FOLDER_IFACE(folder), header);
-               if (!msg) {
-                       g_warning ("cannot find msg");
-                       return;
-               }
-               
+                                       
                g_signal_emit (G_OBJECT(tree_view), signals[MESSAGE_SELECTED_SIGNAL], 0,
-                              msg); 
+                              msg);
+
+               /* mark message as seen; _set_flags crashes, bug in tinymail? */
+               flags = tny_msg_header_iface_get_flags (TNY_MSG_HEADER_IFACE(header));
+               //tny_msg_header_iface_set_flags (header, flags | TNY_MSG_HEADER_FLAG_SEEN);
        }
 }
+
+static void
+column_clicked (GtkTreeViewColumn *col, gpointer user_data)
+{
+       GtkTreeView *treeview;
+       gint id;
+
+       treeview = GTK_TREE_VIEW (user_data);
+       id = gtk_tree_view_column_get_sort_column_id (col);
+       
+       gtk_tree_view_set_search_column (treeview, id);
+}