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filechooserbutton: In SELECT_FOLDER, when the selection is empty, show (None) in the combo box

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We do this by adding a new row type, ROW_TYPE_EMPTY_SELECTION.

Signed-off-by: Federico Mena Quintero <federico@gnome.org>
This commit is contained in:
Federico Mena Quintero 2013-03-07 14:14:47 -06:00
parent bbf915118b
commit 1074aa0c49
1 changed files with 57 additions and 19 deletions
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76
gtk/gtkfilechooserbutton.c
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@ -154,6 +154,7 @@ typedef enum
ROW_TYPE_CURRENT_FOLDER,
ROW_TYPE_OTHER_SEPARATOR,
ROW_TYPE_OTHER,
ROW_TYPE_EMPTY_SELECTION,
ROW_TYPE_INVALID = -1
}
@ -288,8 +289,9 @@ static gint model_get_type_position (GtkFileChooserButton *button,
RowType row_type);
static void model_free_row_data (GtkFileChooserButton *button,
GtkTreeIter *iter);
static inline void model_add_special (GtkFileChooserButton *button);
static inline void model_add_other (GtkFileChooserButton *button);
static void model_add_special (GtkFileChooserButton *button);
static void model_add_other (GtkFileChooserButton *button);
static void model_add_empty_selection (GtkFileChooserButton *button);
static void model_add_volumes (GtkFileChooserButton *button,
GSList *volumes);
static void model_add_bookmarks (GtkFileChooserButton *button,
@ -521,12 +523,12 @@ gtk_file_chooser_button_init (GtkFileChooserButton *button)
/* Keep in sync with columns enum, line 88 */
priv->model =
GTK_TREE_MODEL (gtk_list_store_new (NUM_COLUMNS,
GDK_TYPE_PIXBUF, /* Icon */
G_TYPE_STRING, /* Display Name */
G_TYPE_CHAR, /* Row Type */
G_TYPE_POINTER /* Volume || Path */,
G_TYPE_BOOLEAN /* Is Folder? */,
G_TYPE_POINTER /* cancellable */));
GDK_TYPE_PIXBUF, /* ICON_COLUMN */
G_TYPE_STRING, /* DISPLAY_NAME_COLUMN */
G_TYPE_CHAR, /* TYPE_COLUMN */
G_TYPE_POINTER /* DATA_COLUMN (Volume || Path) */,
G_TYPE_BOOLEAN /* IS_FOLDER_COLUMN */,
G_TYPE_POINTER /* CANCELLABLE_COLUMN */));
priv->combo_box = gtk_combo_box_new ();
priv->combo_box_changed_id =
@ -922,6 +924,8 @@ gtk_file_chooser_button_constructor (GType type,
model_add_other (button);
model_add_empty_selection (button);
priv->filter_model = gtk_tree_model_filter_new (priv->model, NULL);
gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (priv->filter_model),
filter_model_visible_func,
@ -1739,6 +1743,11 @@ model_get_type_position (GtkFileChooserButton *button,
if (row_type == ROW_TYPE_OTHER)
return retval;
retval++;
if (row_type == ROW_TYPE_EMPTY_SELECTION)
return retval;
g_assert_not_reached ();
return -1;
}
@ -1846,7 +1855,7 @@ out:
g_object_unref (model_cancellable);
}
static inline void
static void
model_add_special (GtkFileChooserButton *button)
{
const gchar *homedir;
@ -2182,7 +2191,7 @@ model_update_current_folder (GtkFileChooserButton *button,
}
}
static inline void
static void
model_add_other (GtkFileChooserButton *button)
{
GtkListStore *store;
@ -2213,6 +2222,26 @@ model_add_other (GtkFileChooserButton *button)
-1);
}
static void
model_add_empty_selection (GtkFileChooserButton *button)
{
GtkListStore *store;
GtkTreeIter iter;
gint pos;
store = GTK_LIST_STORE (button->priv->model);
pos = model_get_type_position (button, ROW_TYPE_EMPTY_SELECTION);
gtk_list_store_insert (store, &iter, pos);
gtk_list_store_set (store, &iter,
ICON_COLUMN, NULL,
DISPLAY_NAME_COLUMN, _(FALLBACK_DISPLAY_NAME),
TYPE_COLUMN, ROW_TYPE_EMPTY_SELECTION,
DATA_COLUMN, NULL,
IS_FOLDER_COLUMN, FALSE,
-1);
}
static void
model_remove_rows (GtkFileChooserButton *button,
gint pos,
@ -2240,7 +2269,7 @@ model_remove_rows (GtkFileChooserButton *button,
}
/* Filter Model */
static inline gboolean
static gboolean
test_if_file_is_visible (GtkFileSystem *fs,
GFile *file,
gboolean local_only,
@ -2418,18 +2447,27 @@ update_combo_box (GtkFileChooserButton *button)
}
while (!row_found && gtk_tree_model_iter_next (priv->filter_model, &iter));
/* If it hasn't been found already, update & select the current-folder row. */
if (!row_found && file)
if (!row_found)
{
GtkTreeIter filter_iter;
gint pos;
model_update_current_folder (button, file);
gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter_model));
GtkTreeIter filter_iter;
/* If it hasn't been found already, update & select the current-folder row. */
if (file)
{
model_update_current_folder (button, file);
gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter_model));
pos = model_get_type_position (button, ROW_TYPE_CURRENT_FOLDER);
}
else
{
/* No selection; switch to that row */
pos = model_get_type_position (button, ROW_TYPE_EMPTY_SELECTION);
}
pos = model_get_type_position (button, ROW_TYPE_CURRENT_FOLDER);
gtk_tree_model_iter_nth_child (priv->model, &iter, NULL, pos);
gtk_tree_model_filter_convert_child_iter_to_iter (GTK_TREE_MODEL_FILTER (priv->filter_model),
&filter_iter, &iter);