Sets filename as the current filename for the file chooser, by changing to
the file's parent folder and actually selecting the file in list; all other
files will be unselected. If the chooser is in
GTK_FILE_CHOOSER_ACTION_SAVE mode, the file's base name will also appear in
the dialog's file name entry.
Note that the file must exist, or nothing will be done except
for the directory change.
You should use this function only when implementing a File/Save
As... dialog for which you already have a file name to which
the user may save. For example, when the user opens an existing file and
then does File/Save As... on it to save a copy or
a modified version. If you don't have a file name already — for
example, if the user just created a new file and is saving it for the first
Since 2.4
Sets filename as the current filename for the file chooser, by changing to the file's parent folder and actually selecting the file in list; all other files will be unselected. If the chooser is in GTK_FILE_CHOOSER_ACTION_SAVE mode, the file's base name will also appear in the dialog's file name entry. Note that the file must exist, or nothing will be done except for the directory change. You should use this function only when implementing a File/Save As... dialog for which you already have a file name to which the user may save. For example, when the user opens an existing file and then does File/Save As... on it to save a copy or a modified version. If you don't have a file name already — for example, if the user just created a new file and is saving it for the first Since 2.4