| Value | Meaning |
|---|---|
| OPEN0 | Indicates open mode. The file chooser will only let the user pick an existing file. |
| SAVE1 | Indicates save mode. The file chooser will let the user pick an existing file, or type in a new filename. |
| SELECT_FOLDER2 | Indicates an Open mode for selecting folders. The file chooser will let the user pick an existing folder. |
| CREATE_FOLDER3 | Indicates a mode for creating a new folder. The file chooser will let the user name an existing or new folder. |
Describes whether a GtkFileChooser is being used to open existing files or to save to a possibly new file.