[gtk+] filechooser: Add gtk_file_chooser_get_current_name()

[Federico Mena Quintero <federico src gnome org>]

commit 84b4910b39bdd85195887437445a8f089cda621f
Author: Jonh Wendell <jonh wendell linux intel com>
Date:   Mon Jun 17 15:47:56 2013 -0300

    filechooser: Add gtk_file_chooser_get_current_name()
    
    Currently you can only set the current filename, but not
    get it. It's useful to be able to get it in save
    dialogs, where the user has typed the desired filename
    and you are not in a real directory (recent used, for
    example).
    
    https://bugzilla.gnome.org/show_bug.cgi?id=702497

 docs/reference/gtk/gtk3-sections.txt |    1 +
 gtk/gtkfilechooser.c                 |   28 ++++++++++++++++++++++++++++
 gtk/gtkfilechooser.h                 |    6 ++++--
 gtk/gtkfilechooserdefault.c          |   15 +++++++++++++++
 gtk/gtkfilechooserprivate.h          |    1 +
 gtk/gtkfilechooserutils.c            |    8 ++++++++
 6 files changed, 57 insertions(+), 2 deletions(-)
---
diff --git a/docs/reference/gtk/gtk3-sections.txt b/docs/reference/gtk/gtk3-sections.txt
index de228f3..f48b20b 100644
--- a/docs/reference/gtk/gtk3-sections.txt
+++ b/docs/reference/gtk/gtk3-sections.txt
@@ -1316,6 +1316,7 @@ gtk_file_chooser_get_do_overwrite_confirmation
 gtk_file_chooser_set_create_folders
 gtk_file_chooser_get_create_folders
 gtk_file_chooser_set_current_name
+gtk_file_chooser_get_current_name
 gtk_file_chooser_get_filename
 gtk_file_chooser_set_filename
 gtk_file_chooser_select_filename
diff --git a/gtk/gtkfilechooser.c b/gtk/gtkfilechooser.c
index 42bc0d2..e199d3e 100644
--- a/gtk/gtkfilechooser.c
+++ b/gtk/gtkfilechooser.c
@@ -1353,6 +1353,34 @@ gtk_file_chooser_set_current_name  (GtkFileChooser *chooser,
 }
 
 /**
+ * gtk_file_chooser_get_current_name:
+ * @chooser: a #GtkFileChooser
+ *
+ * Gets the current name in the file selector, as entered by the user in the
+ * text entry for "Name".
+ *
+ * This is meant to be used in save dialogs, to get the currently typed filename
+ * when the file itself does not exist yet.  For example, an application that
+ * adds a custom extra widget to the file chooser for "file format" may want to
+ * change the extension of the typed filename based on the chosen format, say,
+ * from ".jpg" to ".png".
+ *
+ * Returns: The raw text from the file chooser's "Name" entry.  Free this with
+ * g_free().  Note that this string is not a full pathname or URI; it is
+ * whatever the contents of the entry are.  Note also that this string is in
+ * UTF-8 encoding, which is not necessarily the system's encoding for filenames.
+ *
+ * Since: 3.10
+ **/
+gchar *
+gtk_file_chooser_get_current_name (GtkFileChooser *chooser)
+{
+  g_return_if_fail (GTK_IS_FILE_CHOOSER (chooser));
+
+  return GTK_FILE_CHOOSER_GET_IFACE (chooser)->get_current_name (chooser);
+}
+
+/**
  * gtk_file_chooser_get_uri:
  * @chooser: a #GtkFileChooser
  * 
diff --git a/gtk/gtkfilechooser.h b/gtk/gtkfilechooser.h
index 0705737..6dff84e 100644
--- a/gtk/gtkfilechooser.h
+++ b/gtk/gtkfilechooser.h
@@ -153,8 +153,10 @@ gboolean             gtk_file_chooser_get_create_folders (GtkFileChooser *choose
 /* Suggested name for the Save-type actions
  */
 GDK_AVAILABLE_IN_ALL
-void     gtk_file_chooser_set_current_name   (GtkFileChooser *chooser,
-                                             const gchar    *name);
+void        gtk_file_chooser_set_current_name  (GtkFileChooser *chooser,
+                                               const gchar    *name);
+GDK_AVAILABLE_IN_3_10
+gchar *gtk_file_chooser_get_current_name (GtkFileChooser *chooser);
 
 /* Filename manipulation
  */
diff --git a/gtk/gtkfilechooserdefault.c b/gtk/gtkfilechooserdefault.c
index 1f67175..e0dee0e 100644
--- a/gtk/gtkfilechooserdefault.c
+++ b/gtk/gtkfilechooserdefault.c
@@ -436,6 +436,7 @@ static gboolean       gtk_file_chooser_default_update_current_folder           (GtkFil
 static GFile *        gtk_file_chooser_default_get_current_folder         (GtkFileChooser    *chooser);
 static void           gtk_file_chooser_default_set_current_name           (GtkFileChooser    *chooser,
                                                                            const gchar       *name);
+static gchar *        gtk_file_chooser_default_get_current_name           (GtkFileChooser    *chooser);
 static gboolean       gtk_file_chooser_default_select_file                (GtkFileChooser    *chooser,
                                                                            GFile             *file,
                                                                            GError           **error);
@@ -563,6 +564,7 @@ gtk_file_chooser_default_iface_init (GtkFileChooserIface *iface)
   iface->set_current_folder = gtk_file_chooser_default_set_current_folder;
   iface->get_current_folder = gtk_file_chooser_default_get_current_folder;
   iface->set_current_name = gtk_file_chooser_default_set_current_name;
+  iface->get_current_name = gtk_file_chooser_default_get_current_name;
   iface->add_filter = gtk_file_chooser_default_add_filter;
   iface->remove_filter = gtk_file_chooser_default_remove_filter;
   iface->list_filters = gtk_file_chooser_default_list_filters;
@@ -4755,6 +4757,19 @@ gtk_file_chooser_default_set_current_name (GtkFileChooser *chooser,
   gtk_entry_set_text (GTK_ENTRY (priv->location_entry), name);
 }
 
+static gchar *
+gtk_file_chooser_default_get_current_name (GtkFileChooser *chooser)
+{
+  GtkFileChooserDefault *impl = GTK_FILE_CHOOSER_DEFAULT (chooser);
+  GtkFileChooserDefaultPrivate *priv = impl->priv;
+
+  g_return_val_if_fail (priv->action == GTK_FILE_CHOOSER_ACTION_SAVE ||
+                       priv->action == GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER,
+                       NULL);
+
+  return g_strdup (gtk_entry_get_text (GTK_ENTRY (priv->location_entry)));
+}
+
 static gboolean
 gtk_file_chooser_default_select_file (GtkFileChooser  *chooser,
                                      GFile           *file,
diff --git a/gtk/gtkfilechooserprivate.h b/gtk/gtkfilechooserprivate.h
index 61a3aac..58bfc9d 100644
--- a/gtk/gtkfilechooserprivate.h
+++ b/gtk/gtkfilechooserprivate.h
@@ -61,6 +61,7 @@ struct _GtkFileChooserIface
   GFile *        (*get_current_folder)            (GtkFileChooser    *chooser);
   void           (*set_current_name)              (GtkFileChooser    *chooser,
                                            const gchar       *name);
+  gchar *        (*get_current_name)       (GtkFileChooser    *chooser);
   gboolean       (*select_file)                   (GtkFileChooser    *chooser,
                                            GFile             *file,
                                            GError           **error);
diff --git a/gtk/gtkfilechooserutils.c b/gtk/gtkfilechooserutils.c
index 43148aa..2b2542c 100644
--- a/gtk/gtkfilechooserutils.c
+++ b/gtk/gtkfilechooserutils.c
@@ -31,6 +31,7 @@ static gboolean       delegate_set_current_folder     (GtkFileChooser    *choose
 static GFile *        delegate_get_current_folder     (GtkFileChooser    *chooser);
 static void           delegate_set_current_name       (GtkFileChooser    *chooser,
                                                       const gchar       *name);
+static gchar *        delegate_get_current_name       (GtkFileChooser    *chooser);
 static gboolean       delegate_select_file            (GtkFileChooser    *chooser,
                                                       GFile             *file,
                                                       GError           **error);
@@ -134,6 +135,7 @@ _gtk_file_chooser_delegate_iface_init (GtkFileChooserIface *iface)
   iface->set_current_folder = delegate_set_current_folder;
   iface->get_current_folder = delegate_get_current_folder;
   iface->set_current_name = delegate_set_current_name;
+  iface->get_current_name = delegate_get_current_name;
   iface->select_file = delegate_select_file;
   iface->unselect_file = delegate_unselect_file;
   iface->select_all = delegate_select_all;
@@ -308,6 +310,12 @@ delegate_set_current_name (GtkFileChooser *chooser,
   gtk_file_chooser_set_current_name (get_delegate (chooser), name);
 }
 
+static gchar *
+delegate_get_current_name (GtkFileChooser *chooser)
+{
+  return gtk_file_chooser_get_current_name (get_delegate (chooser));
+}
+
 static void
 delegate_notify (GObject    *object,
                 GParamSpec *pspec,