* modest-header-x:
[modest] / src / widgets / modest-header-view.c
index d08cdd7..fb60aab 100644 (file)
@@ -33,6 +33,8 @@
 #include <string.h>
 
 #include <modest-header-view.h>
+#include <modest-header-view-priv.h>
+
 #include <modest-marshal.h>
 #include <modest-text-utils.h>
 #include <modest-icon-names.h>
@@ -44,6 +46,9 @@ static void modest_header_view_finalize    (GObject *obj);
 
 static void on_selection_changed (GtkTreeSelection *sel, gpointer user_data);
 
+static gint cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
+                     gpointer user_data);
+
 #define MODEST_HEADER_VIEW_PTR "modest-header-view"
 
 enum {
@@ -60,9 +65,10 @@ struct _ModestHeaderViewPrivate {
        TnyList              *headers;
        GMutex               *lock;
        ModestHeaderViewStyle style;
-       gulong               sig1;
-
+       gulong                sig1;
+       ModestHeaderViewState state;
 };
+
 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
                                                MODEST_TYPE_HEADER_VIEW, \
                                                 ModestHeaderViewPrivate))
@@ -136,123 +142,10 @@ modest_header_view_class_init (ModestHeaderViewClass *klass)
                              G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 }
 
-static void
-msgtype_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
-                  GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer user_data)
-{
-       TnyHeaderFlags flags;
-       GdkPixbuf *pixbuf = NULL;
-       
-       gtk_tree_model_get (tree_model, iter, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
-                           &flags, -1);
-
-       if (flags & TNY_HEADER_FLAG_DELETED)
-               pixbuf = modest_icon_factory_get_icon (MODEST_HEADER_ICON_DELETED);
-       else if (flags & TNY_HEADER_FLAG_SEEN)
-               pixbuf = modest_icon_factory_get_icon (MODEST_HEADER_ICON_READ);
-       else
-               pixbuf = modest_icon_factory_get_icon (MODEST_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, gpointer user_data)
-{
-       TnyHeaderFlags flags;
-       GdkPixbuf *pixbuf = NULL;
-
-       gtk_tree_model_get (tree_model, iter, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
-                           &flags, -1);
-
-       if (flags & TNY_HEADER_FLAG_ATTACHMENTS)
-               pixbuf = modest_icon_factory_get_small_icon (MODEST_HEADER_ICON_ATTACH);
-
-       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)
-{
-       TnyHeaderFlags flags;
-       
-       gtk_tree_model_get (tree_model, iter, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
-                           &flags, -1);
-
-       g_object_set (G_OBJECT(renderer),
-                     "weight", (flags & TNY_HEADER_FLAG_SEEN) ? 400: 800,
-                     "style",  (flags & TNY_HEADER_FLAG_DELETED) ?
-                                PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL,
-                     NULL);    
-}
 
 
-static void
-sender_receiver_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
-                           GtkTreeModel *tree_model,  GtkTreeIter *iter,  gboolean is_sender)
-{
-       TnyHeaderFlags flags;
-       gchar *address;
-       gint sender_receiver_col;
-
-       if (is_sender)
-               sender_receiver_col = TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN;
-       else
-               sender_receiver_col = TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN;
-               
-       gtk_tree_model_get (tree_model, iter,
-                           sender_receiver_col,  &address,
-                           TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
-                           -1);
-       
-       g_object_set (G_OBJECT(renderer),
-                     "text",
-                     modest_text_utils_get_display_address (address),
-                     "weight",
-                     (flags & TNY_HEADER_FLAG_SEEN) ? 400 : 800,
-                     "style",
-                     (flags & TNY_HEADER_FLAG_DELETED)?PANGO_STYLE_ITALIC:PANGO_STYLE_NORMAL,
-                     NULL);
-
-       g_free (address);       
-}
 
-static void
-compact_header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
-                          GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
-{
-       GObject *rendobj;
-       TnyHeaderFlags flags;
-       gchar *from, *subject;
-       gchar *header;
-       time_t date;
-               
-       gtk_tree_model_get (tree_model, iter,
-                           TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
-                           TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,  &from,
-                           TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &subject,
-                           TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN, &date,   
-                           -1);
-       rendobj = G_OBJECT(renderer);           
-
-       header = g_strdup_printf ("%s %s\n%s",
-                                 modest_text_utils_get_display_address (from),
-                                 modest_text_utils_get_display_date (date),
-                                 subject);
-       
-       g_object_set (G_OBJECT(renderer),
-                     "text",  header,
-                     "weight", (flags & TNY_HEADER_FLAG_SEEN) ? 400: 800,
-                     "style",  (flags & TNY_HEADER_FLAG_DELETED) ?
-                                PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL,
-                     NULL);    
-       g_free (header);
-       g_free (from);
-       g_free (subject);
-}
 
 
 static GtkTreeViewColumn*
@@ -263,11 +156,13 @@ get_new_column (const gchar *name, GtkCellRenderer *renderer,
        GtkTreeViewColumn *column;
 
        column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
-       gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
+       gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 
        gtk_tree_view_column_set_resizable (column, resizable);
-       if (resizable)
+       if (resizable) {
                gtk_tree_view_column_set_min_width (column, 100);
+               //gtk_tree_view_column_set_expand (column, TRUE);
+       }
        
        if (show_as_text) 
                gtk_tree_view_column_add_attribute (column, renderer, "text",
@@ -277,7 +172,7 @@ get_new_column (const gchar *name, GtkCellRenderer *renderer,
 
        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);
@@ -292,6 +187,8 @@ remove_all_columns (ModestHeaderView *obj)
 {
        GList *columns, *cursor;
 
+       gtk_tree_view_set_model (GTK_TREE_VIEW(obj), NULL);
+       
        columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 
        for (cursor = columns; cursor; cursor = cursor->next)
@@ -302,6 +199,111 @@ remove_all_columns (ModestHeaderView *obj)
 
 
 
+static gboolean
+set_empty (ModestHeaderView *self)
+{
+       ModestHeaderViewPrivate *priv;  
+       GtkTreeViewColumn *column;
+       GtkListStore *store;
+       GtkTreeIter iter;
+       GtkCellRenderer* renderer;
+       
+       priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);    
+       remove_all_columns (self);
+
+       store = gtk_list_store_new (1, G_TYPE_STRING);
+       gtk_list_store_append (store, &iter);
+       gtk_list_store_set (store, &iter, 0, _("(No items in this folder)"), -1); 
+       
+       renderer = gtk_cell_renderer_text_new ();
+       g_object_set (G_OBJECT(renderer), "weight", 800, NULL);
+
+       column = gtk_tree_view_column_new_with_attributes ("", renderer, "text", 0, NULL);
+       
+       gtk_tree_view_column_set_resizable (column, FALSE);
+       gtk_tree_view_column_set_alignment (column, 0.5);
+       gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
+       gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
+
+       gtk_tree_view_set_model(GTK_TREE_VIEW(self), GTK_TREE_MODEL(store));
+       g_object_unref (store);
+       
+       priv->state = MODEST_HEADER_VIEW_STATE_IS_EMPTY;
+       return TRUE;
+}
+
+
+
+ModestHeaderViewState
+modest_header_view_get_state (ModestHeaderView *self)
+{
+       g_return_val_if_fail (MODEST_IS_HEADER_VIEW (self), TRUE);
+       
+       return MODEST_HEADER_VIEW_GET_PRIVATE(self)->state;
+}
+
+
+static void
+set_state (ModestHeaderView *self, ModestHeaderViewState state)
+{
+       ModestHeaderViewState oldstate =
+               MODEST_HEADER_VIEW_GET_PRIVATE(self)->state;
+       
+       if (oldstate != state) {
+               if ((oldstate & MODEST_HEADER_VIEW_STATE_IS_EMPTY) !=
+                   (state & MODEST_HEADER_VIEW_STATE_IS_EMPTY))
+                       set_empty (self);
+               
+               MODEST_HEADER_VIEW_GET_PRIVATE(self)->state = state; 
+               /* FIXME: emit signal if the state changed*/
+       }
+}
+
+
+static void
+update_state (ModestHeaderView *self)
+{
+       GtkTreePath *path;
+       GtkTreeSelection *sel;
+       ModestHeaderViewState state = 0;
+       ModestHeaderViewPrivate *priv;  
+
+       priv = MODEST_HEADER_VIEW_GET_PRIVATE(self); 
+
+       if (!priv->folder || tny_folder_get_all_count(priv->folder) == 0)
+               state = MODEST_HEADER_VIEW_STATE_IS_EMPTY;
+       else {
+               gtk_tree_view_get_cursor (GTK_TREE_VIEW(self), &path, NULL);
+               if (path) {
+                       GtkTreePath *path2;
+                       
+                       state |= MODEST_HEADER_VIEW_STATE_HAS_CURSOR;   
+                       path2= gtk_tree_path_copy (path);
+                       
+                       gtk_tree_path_next (path);
+                       if (gtk_tree_path_compare (path, path2) != 0)
+                               state |= MODEST_HEADER_VIEW_STATE_AT_LAST_ITEM;
+                       
+                       if (!gtk_tree_path_prev (path2))
+                               state |= MODEST_HEADER_VIEW_STATE_AT_FIRST_ITEM;
+                       
+                       gtk_tree_path_free (path);
+                       gtk_tree_path_free (path2);
+               }
+               
+               sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(self));
+               if (sel) {
+                       state |= MODEST_HEADER_VIEW_STATE_HAS_SELECTION;
+                       if (gtk_tree_selection_count_selected_rows (sel) > 1)
+                               state |= MODEST_HEADER_VIEW_STATE_HAS_MULTIPLE_SELECTION;
+               }
+       }
+
+       set_state (self, state);        
+}
+
+
+
 gboolean
 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 {
@@ -336,7 +338,8 @@ modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
                case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
                        column = get_new_column (_("M"), renderer_msgtype, FALSE,
                                                 TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
-                                                FALSE, (GtkTreeCellDataFunc)msgtype_cell_data,
+                                                FALSE,
+                                                (GtkTreeCellDataFunc)_modest_header_view_msgtype_cell_data,
                                                 NULL);
                        gtk_tree_view_column_set_fixed_width (column, 32);
                        break;
@@ -344,58 +347,81 @@ modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
                case MODEST_HEADER_VIEW_COLUMN_ATTACH:
                        column = get_new_column (_("A"), renderer_attach, FALSE,
                                                 TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
-                                                FALSE, (GtkTreeCellDataFunc)attach_cell_data,
+                                                FALSE,
+                                                (GtkTreeCellDataFunc)_modest_header_view_attach_cell_data,
                                                 NULL);
                        gtk_tree_view_column_set_fixed_width (column, 32);
                        break;
-               
-               case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
-                       column = get_new_column (_("Received"), renderer_header, TRUE,
-                                                TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
-                                                TRUE, (GtkTreeCellDataFunc)header_cell_data,
-                                                NULL);
-                       break;
+
                        
                case MODEST_HEADER_VIEW_COLUMN_FROM:
                        column = get_new_column (_("From"), renderer_header, TRUE,
                                                 TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
-                                                TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
+                                                TRUE,
+                                                (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
                                                 GINT_TO_POINTER(TRUE));
                        break;
 
                case MODEST_HEADER_VIEW_COLUMN_TO:
                        column = get_new_column (_("To"), renderer_header, TRUE,
                                                 TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
-                                                TRUE, (GtkTreeCellDataFunc)sender_receiver_cell_data,
+                                                TRUE,
+                                                (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
                                                 GINT_TO_POINTER(FALSE));
                        break;
                        
-               case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER:
+               case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
                        column = get_new_column (_("Header"), renderer_header, TRUE,
                                                 TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
-                                                TRUE, (GtkTreeCellDataFunc)compact_header_cell_data,
-                                                NULL);
+                                                TRUE,
+                                                (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
+                                                GINT_TO_POINTER(TRUE));
+                       break;
+
+               case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
+                       column = get_new_column (_("Header"), renderer_header, TRUE,
+                                                TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
+                                                TRUE,
+                                                (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
+                                                GINT_TO_POINTER(FALSE));
                        break;
+
                        
                case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
                        column = get_new_column (_("Subject"), renderer_header, TRUE,
                                                 TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
-                                                TRUE, (GtkTreeCellDataFunc)header_cell_data,
+                                                TRUE,
+                                                (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
                                                 NULL);
                        break;
                        
+               case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
+                       column = get_new_column (_("Received"), renderer_header, TRUE,
+                                                TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
+                                                TRUE,
+                                                (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
+                                                NULL);
+                       break;
                        
                case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
                        column = get_new_column (_("Sent"), renderer_header, TRUE,
                                                 TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
-                                                TRUE, (GtkTreeCellDataFunc)header_cell_data,
+                                                TRUE,
+                                                (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
                                                 NULL);
                        break;
-
+                       
+               case MODEST_HEADER_VIEW_COLUMN_SIZE:
+                       column = get_new_column (_("Size"), renderer_header, TRUE,
+                                                TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
+                                                TRUE,
+                                                (GtkTreeCellDataFunc)_modest_header_view_size_cell_data,
+                                                NULL); 
+                       break;
                default:
-                       g_assert_not_reached ();
+                       g_return_val_if_reached(FALSE);
                }
-
+               
                /* we keep the column id around */
                g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
                                   GINT_TO_POINTER(col));
@@ -403,8 +429,7 @@ modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
                /* we need this ptr when sorting the rows */
                g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
                                   self);
-               
-               gtk_tree_view_column_set_visible   (column, TRUE);
+
                gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);              
        }       
        return TRUE;
@@ -465,21 +490,20 @@ modest_header_view_new (TnyFolder *folder, const GList *columns,
        obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
        self = MODEST_HEADER_VIEW(obj);
        priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
-       
+
+       modest_header_view_set_style   (self, style);
+       modest_header_view_set_columns (self, columns);
+
        if (!modest_header_view_set_folder (self, NULL)) {
                g_warning ("could not set the folder");
                g_object_unref (obj);
                return NULL;
        }
-       
-       modest_header_view_set_style   (self, style);
-       modest_header_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_columns_autosize (GTK_TREE_VIEW(obj));
-       
+       gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
+
        gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
                                      TRUE); /* alternating row colors */
 
@@ -561,13 +585,22 @@ modest_header_view_set_style (ModestHeaderView *self,
                              ModestHeaderViewStyle style)
 {
        g_return_val_if_fail (self, FALSE);
-       g_return_val_if_fail (style < MODEST_HEADER_VIEW_STYLE_NUM, FALSE);
-       
+
        MODEST_HEADER_VIEW_GET_PRIVATE(self)->style = style;
        
+       gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self),
+                                            style & MODEST_HEADER_VIEW_STYLE_SHOW_HEADERS);
+       gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self),
+                                            style & MODEST_HEADER_VIEW_STYLE_SHOW_HEADERS);    
+
+       gtk_tree_view_columns_autosize (GTK_TREE_VIEW(self));
+       gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(self),
+                                     TRUE); /* alternating row colors */
+       
        return TRUE;
 }
 
+
 ModestHeaderViewStyle
 modest_header_view_get_style (ModestHeaderView *self)
 {
@@ -577,132 +610,6 @@ modest_header_view_get_style (ModestHeaderView *self)
 }
 
 
-static gint
-cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
-         gpointer user_data)
-{
-       gint col_id;
-       gint t1, t2;
-       gint val1, val2;
-       gchar *s1, *s2;
-       gint cmp;
-       
-       static int counter = 0;
-       col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
-       
-       if (!(++counter % 100)) {
-               GObject *header_view = g_object_get_data(G_OBJECT(user_data),
-                                                        MODEST_HEADER_VIEW_PTR);
-               g_signal_emit (header_view,
-                              signals[STATUS_UPDATE_SIGNAL],
-                              0, _("Sorting..."), 0, 0);
-       }
-       
-       switch (col_id) {
-
-               /* first one, we decide based on the time */
-       case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER:
-       case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
-               gtk_tree_model_get (tree_model, iter1,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
-                                   &t1,-1);
-               gtk_tree_model_get (tree_model, iter2,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
-                                   &t2,-1);
-               return t1 - t2;
-               
-       case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
-               gtk_tree_model_get (tree_model, iter1,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
-                                   &t1,-1);
-               gtk_tree_model_get (tree_model, iter2,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
-                                   &t2,-1);
-               return t1 - t2;
-
-               
-               /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
-       case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
-
-               gtk_tree_model_get (tree_model, iter1,
-                                   TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
-                                   -1);
-               gtk_tree_model_get (tree_model, iter2,
-                                   TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
-                                   -1);
-
-               /* the prefix ('Re:', 'Fwd:' etc.) we ignore */ 
-               cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
-                                                    s2 + modest_text_utils_get_subject_prefix_len(s2),
-                                                    TRUE);
-
-               g_free (s1);
-               g_free (s2);
-               
-               return cmp ? cmp : t1 - t2;
-       }
-               
-       case MODEST_HEADER_VIEW_COLUMN_FROM:
-               
-               gtk_tree_model_get (tree_model, iter1,
-                                   TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
-                                   -1);
-               gtk_tree_model_get (tree_model, iter2,
-                                   TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
-                                   -1);
-               cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
-               g_free (s1);
-               g_free (s2);
-               
-               return cmp ? cmp : t1 - t2;
-               
-       case MODEST_HEADER_VIEW_COLUMN_TO: 
-               
-               gtk_tree_model_get (tree_model, iter1,
-                                   TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
-                                   -1);
-               gtk_tree_model_get (tree_model, iter2,
-                                   TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
-                                   -1);
-               cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
-               g_free (s1);
-               g_free (s2);
-               
-               return cmp ? cmp : t1 - t2;
-
-       case MODEST_HEADER_VIEW_COLUMN_ATTACH:
-
-               gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
-               gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
-               
-               cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
-                       (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
-
-               return cmp ? cmp : t1 - t2;
-               
-       case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
-               gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
-               gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
-                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
-               cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
-
-               return cmp ? cmp : t1 - t2;
-
-       default:
-               return &iter1 - &iter2; /* oughhhh  */
-       }
-}
-
-
 static void
 on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
                   gpointer user_data)
@@ -719,9 +626,10 @@ on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
        priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 
        priv->folder = folder;
+       update_state (self);
        
-       if (!folder)  /* when there is no folder */
-               gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE);
+       if (!folder || priv->state & MODEST_HEADER_VIEW_STATE_IS_EMPTY)  
+               gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), FALSE); 
        else { /* it's a new one or a refresh */
                GList *cols, *cursor;
 
@@ -757,8 +665,7 @@ on_refresh_folder (TnyFolder *folder, gboolean cancelled, GError **err,
                g_list_free (cols);
                
                gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
-               gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self),TRUE);
-               gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self), TRUE);
+               modest_header_view_set_style (self, priv->style);
        }
 }
 
@@ -826,10 +733,14 @@ on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
        
        self = MODEST_HEADER_VIEW (user_data);
        priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);    
+
+       /* if the folder is empty, nothing to do */
+       if (priv->state & MODEST_HEADER_VIEW_STATE_IS_EMPTY) 
+               return;
        
        if (!gtk_tree_selection_get_selected (sel, &model, &iter))
                return; /* msg was _un_selected */
-       
+
        gtk_tree_model_get (model, &iter,
                            TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
                            &header, -1);
@@ -854,3 +765,130 @@ _modest_header_view_change_selection (GtkTreeSelection *selection,
 
        on_selection_changed (selection, user_data);
 }
+
+
+static gint
+cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
+         gpointer user_data)
+{
+       gint col_id;
+       gint t1, t2;
+       gint val1, val2;
+       gchar *s1, *s2;
+       gint cmp;
+       
+       static int counter = 0;
+       col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
+       
+       if (!(++counter % 100)) {
+               GObject *header_view = g_object_get_data(G_OBJECT(user_data),
+                                                        MODEST_HEADER_VIEW_PTR);
+               g_signal_emit (header_view,
+                              signals[STATUS_UPDATE_SIGNAL],
+                              0, _("Sorting..."), 0, 0);
+       }       
+       switch (col_id) {
+
+               /* first one, we decide based on the time */
+       case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
+       case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
+               gtk_tree_model_get (tree_model, iter1,
+                                   TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
+                                   &t1,-1);
+               gtk_tree_model_get (tree_model, iter2,
+                                   TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
+                                   &t2,-1);
+               return t1 - t2;
+
+       case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
+       case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
+               gtk_tree_model_get (tree_model, iter1,
+                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
+                                   &t1,-1);
+               gtk_tree_model_get (tree_model, iter2,
+                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
+                                   &t2,-1);
+               return t1 - t2;
+
+               
+               /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
+       case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
+
+               gtk_tree_model_get (tree_model, iter1,
+                                   TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
+                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
+                                   -1);
+               gtk_tree_model_get (tree_model, iter2,
+                                   TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
+                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
+                                   -1);
+
+               /* the prefix ('Re:', 'Fwd:' etc.) we ignore */ 
+               cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
+                                                    s2 + modest_text_utils_get_subject_prefix_len(s2),
+                                                    TRUE);
+
+               g_free (s1);
+               g_free (s2);
+               
+               return cmp ? cmp : t1 - t2;
+       }
+               
+       case MODEST_HEADER_VIEW_COLUMN_FROM:
+               
+               gtk_tree_model_get (tree_model, iter1,
+                                   TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
+                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
+                                   -1);
+               gtk_tree_model_get (tree_model, iter2,
+                                   TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
+                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
+                                   -1);
+               cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
+               g_free (s1);
+               g_free (s2);
+               
+               return cmp ? cmp : t1 - t2;
+               
+       case MODEST_HEADER_VIEW_COLUMN_TO: 
+               
+               gtk_tree_model_get (tree_model, iter1,
+                                   TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
+                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
+                                   -1);
+               gtk_tree_model_get (tree_model, iter2,
+                                   TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
+                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
+                                   -1);
+               cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
+               g_free (s1);
+               g_free (s2);
+               
+               return cmp ? cmp : t1 - t2;
+
+       case MODEST_HEADER_VIEW_COLUMN_ATTACH:
+
+               gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
+                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
+               gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
+                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
+               
+               cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
+                       (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
+
+               return cmp ? cmp : t1 - t2;
+               
+       case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
+               gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
+                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
+               gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
+                                   TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
+               cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
+
+               return cmp ? cmp : t1 - t2;
+
+       default:
+               return &iter1 - &iter2; /* oughhhh  */
+       }
+}
+