Gtk.FileChooserDialog - Classes - Gtk 3.0 (original) (raw)

g Atk.ImplementorIface Atk.ImplementorIface Gtk.Widget Gtk.Widget Atk.ImplementorIface->Gtk.Widget GObject.GInterface GObject.GInterface GObject.GInterface->Atk.ImplementorIface Gtk.Buildable Gtk.Buildable GObject.GInterface->Gtk.Buildable Gtk.FileChooser Gtk.FileChooser GObject.GInterface->Gtk.FileChooser GObject.InitiallyUnowned GObject.InitiallyUnowned GObject.InitiallyUnowned->Gtk.Widget GObject.Object GObject.Object GObject.Object->GObject.InitiallyUnowned Gtk.Bin Gtk.Bin Gtk.Window Gtk.Window Gtk.Bin->Gtk.Window Gtk.Buildable->Gtk.Widget Gtk.Container Gtk.Container Gtk.Container->Gtk.Bin Gtk.Dialog Gtk.Dialog Gtk.FileChooserDialog Gtk.FileChooserDialog Gtk.Dialog->Gtk.FileChooserDialog Gtk.FileChooser->Gtk.FileChooserDialog Gtk.Widget->Gtk.Container Gtk.Window->Gtk.Dialog

Subclasses:

None

Methods¶

Inherited:

Gtk.Dialog (14), Gtk.Window (119), Gtk.Bin (1), Gtk.Container (35), Gtk.Widget (278), GObject.Object (37), Gtk.Buildable (10), Gtk.FileChooser (63)

Structs:

Gtk.ContainerClass (5), Gtk.WidgetClass (12), GObject.ObjectClass (5)

Virtual Methods¶

Inherited:

Gtk.Dialog (2), Gtk.Window (5), Gtk.Container (10), Gtk.Widget (82), GObject.Object (7), Gtk.Buildable (10)

Properties¶

Inherited:

Gtk.Dialog (1), Gtk.Window (33), Gtk.Container (3), Gtk.Widget (39), Gtk.FileChooser (11)

Style Properties¶

Inherited:

Gtk.Dialog (4), Gtk.Window (2), Gtk.Widget (17)

Signals¶

Inherited:

Gtk.Dialog (2), Gtk.Window (5), Gtk.Container (4), Gtk.Widget (69), GObject.Object (1), Gtk.FileChooser (5)

Fields¶

Inherited:

Gtk.Dialog (2), Gtk.Window (5), Gtk.Container (4), Gtk.Widget (69), GObject.Object (1), Gtk.FileChooser (5)

Name	Type	Access	Description
parent_instance	Gtk.Dialog	r

Class Details¶

class Gtk.FileChooserDialog(*args, **kwargs)¶

Bases:

Gtk.Dialog, Gtk.FileChooser

Abstract:

Structure:

Gtk.FileChooserDialogClass

Gtk.FileChooserDialog is a dialog box suitable for use with “File/Open” or “File/Save as” commands. This widget works by putting a Gtk.FileChooserWidget inside a Gtk.Dialog. It exposes the Gtk.FileChooser interface, so you can use all of theGtk.FileChooser functions on the file chooser dialog as well as those for Gtk.Dialog.

Note that Gtk.FileChooserDialog does not have any methods of its own. Instead, you should use the functions that work on aGtk.FileChooser.

If you want to integrate well with the platform you should use theGtk.FileChooserNative API, which will use a platform-specific dialog if available and fall back to Gtk.FileChooserDialogotherwise.

Typical usage

In the simplest of cases, you can the following code to useGtk.FileChooserDialog to select a file for opening:

GtkWidget *dialog; GtkFileChooserAction action = GTK_FILE_CHOOSER_ACTION_OPEN; gint res;

dialog = gtk_file_chooser_dialog_new ("Open File", parent_window, action, _("_Cancel"), GTK_RESPONSE_CANCEL, _("_Open"), GTK_RESPONSE_ACCEPT, NULL);

res = gtk_dialog_run (GTK_DIALOG (dialog)); if (res == GTK_RESPONSE_ACCEPT) { char *filename; GtkFileChooser *chooser = GTK_FILE_CHOOSER (dialog); filename = gtk_file_chooser_get_filename (chooser); open_file (filename); g_free (filename); }

gtk_widget_destroy (dialog);

To use a dialog for saving, you can use this:

GtkWidget *dialog; GtkFileChooser *chooser; GtkFileChooserAction action = GTK_FILE_CHOOSER_ACTION_SAVE; gint res;

dialog = gtk_file_chooser_dialog_new ("Save File", parent_window, action, _("_Cancel"), GTK_RESPONSE_CANCEL, _("_Save"), GTK_RESPONSE_ACCEPT, NULL); chooser = GTK_FILE_CHOOSER (dialog);

gtk_file_chooser_set_do_overwrite_confirmation (chooser, TRUE);

if (user_edited_a_new_document) gtk_file_chooser_set_current_name (chooser, _("Untitled document")); else gtk_file_chooser_set_filename (chooser, existing_filename);

res = gtk_dialog_run (GTK_DIALOG (dialog)); if (res == GTK_RESPONSE_ACCEPT) { char *filename;

filename = gtk_file_chooser_get_filename (chooser);
save_to_file (filename);
g_free (filename);

}

gtk_widget_destroy (dialog);

Setting up a file chooser dialog

There are various cases in which you may need to use a Gtk.FileChooserDialog:

To select a file for opening. Use Gtk.FileChooserAction.OPEN.
To save a file for the first time. Use Gtk.FileChooserAction.SAVE, and suggest a name such as “Untitled” with Gtk.FileChooser.set_current_name().
To save a file under a different name. Use Gtk.FileChooserAction.SAVE, and set the existing filename with Gtk.FileChooser.set_filename().
To choose a folder instead of a file. Use Gtk.FileChooserAction.SELECT_FOLDER.

Note that old versions of the file chooser’s documentation suggested using Gtk.FileChooser.set_current_folder() in various situations, with the intention of letting the application suggest a reasonable default folder. This is no longer considered to be a good policy, as now the file chooser is able to make good suggestions on its own. In general, you should only cause the file chooser to show a specific folder when it is appropriate to use Gtk.FileChooser.set_filename(), i.e. when you are doing a Save As command and you already have a file saved somewhere.

Response Codes

Gtk.FileChooserDialog inherits from Gtk.Dialog, so buttons that go in its action area have response codes such asGtk.ResponseType.ACCEPT and Gtk.ResponseType.CANCEL. For example, you could call gtk_file_chooser_dialog_new() as follows:

GtkWidget *dialog; GtkFileChooserAction action = GTK_FILE_CHOOSER_ACTION_OPEN;

dialog = gtk_file_chooser_dialog_new ("Open File", parent_window, action, _("_Cancel"), GTK_RESPONSE_CANCEL, _("_Open"), GTK_RESPONSE_ACCEPT, NULL);

This will create buttons for “Cancel” and “Open” that use stock response identifiers from Gtk.ResponseType. For most dialog boxes you can use your own custom response codes rather than the ones in Gtk.ResponseType, but Gtk.FileChooserDialog assumes that its “accept”-type action, e.g. an “Open” or “Save” button, will have one of the following response codes:

This is because Gtk.FileChooserDialog must intercept responses and switch to folders if appropriate, rather than letting the dialog terminate — the implementation uses these known response codes to know which responses can be blocked if appropriate.

To summarize, make sure you use astock response codewhen you use Gtk.FileChooserDialog to ensure proper operation.