diff options
Diffstat (limited to 'widgets/table/e-tree-example-2.c')
| -rw-r--r-- | widgets/table/e-tree-example-2.c | 84 |
1 files changed, 69 insertions, 15 deletions
diff --git a/widgets/table/e-tree-example-2.c b/widgets/table/e-tree-example-2.c index d7db861953..6324333c19 100644 --- a/widgets/table/e-tree-example-2.c +++ b/widgets/table/e-tree-example-2.c @@ -149,20 +149,20 @@ tree_value_at (ETreeModel *etm, ETreePath *path, int col, void *model_data) static char buf[15]; if (vfs_info->info) { if (vfs_info->info->type == GNOME_VFS_FILE_TYPE_DIRECTORY) - return NULL; + return ""; else { g_snprintf (buf, sizeof(buf), "%ld", (glong) vfs_info->info->size); return buf; } } else - return NULL; + return ""; } case 2: /* file type */ if (vfs_info->info) return type_to_string (vfs_info->info->type); else - return NULL; + return ""; case 3: /* mime type */ if (vfs_info->info) { const char *mime_type = gnome_vfs_file_info_get_mime_type (vfs_info->info); @@ -171,12 +171,54 @@ tree_value_at (ETreeModel *etm, ETreePath *path, int col, void *model_data) return (void*)mime_type; } else { - return NULL; + return ""; } - default: return NULL; + default: return ""; } } +/* This function returns the number of columns in our ETableModel. */ +static int +tree_col_count (ETableModel *etc, void *data) +{ + return RIGHT_COLS; +} + +/* This function duplicates the value passed to it. */ +static void * +tree_duplicate_value (ETableModel *etc, int col, const void *value, void *data) +{ + return g_strdup (value); +} + +/* This function frees the value passed to it. */ +static void +tree_free_value (ETableModel *etc, int col, void *value, void *data) +{ + g_free (value); +} + +/* This function creates an empty value. */ +static void * +tree_initialize_value (ETableModel *etc, int col, void *data) +{ + return g_strdup (""); +} + +/* This function reports if a value is empty. */ +static gboolean +tree_value_is_empty (ETableModel *etc, int col, const void *value, void *data) +{ + return !(value && *(char *)value); +} + +/* This function reports if a value is empty. */ +static char * +tree_value_to_string (ETableModel *etc, int col, const void *value, void *data) +{ + return g_strdup(value); +} + static GdkPixbuf * tree_icon_at (ETreeModel *etm, ETreePath *path, void *model_data) { @@ -416,11 +458,17 @@ create_right_tree(GtkWidget *paned) /* here we create our model. This uses the functions we defined earlier. */ - right_model = e_tree_simple_new (tree_icon_at, - tree_value_at, - tree_set_value_at, - tree_is_editable, - NULL); + right_model = e_tree_simple_new (tree_col_count, + tree_duplicate_value, + tree_free_value, + tree_initialize_value, + tree_value_is_empty, + tree_value_to_string, + tree_icon_at, + tree_value_at, + tree_set_value_at, + tree_is_editable, + NULL); /* create the unexpanded root node and it's placeholder child. */ right_root = e_tree_model_node_insert (right_model, NULL, @@ -517,11 +565,17 @@ create_left_tree (GtkWidget *paned, char *root_uri) /* here we create our model. This uses the functions we defined earlier. */ - left_model = e_tree_simple_new (tree_icon_at, - tree_value_at, - tree_set_value_at, - tree_is_editable, - NULL); + left_model = e_tree_simple_new (tree_col_count, + tree_duplicate_value, + tree_free_value, + tree_initialize_value, + tree_value_is_empty, + tree_value_to_string, + tree_icon_at, + tree_value_at, + tree_set_value_at, + tree_is_editable, + NULL); /* catch collapsed/expanded signals */ gtk_signal_connect (GTK_OBJECT (left_model), "node_expanded", |