Struct gtk4::FileChooserDialog

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#[repr(transparent)]
pub struct FileChooserDialog { /* private fields */ }
Expand description

Use FileDialog instead FileChooserDialog is a dialog suitable for use with “File Open” or “File Save” commands.

An example GtkFileChooserDialog

This widget works by putting a FileChooserWidget inside a Dialog. It exposes the FileChooser interface, so you can use all of the FileChooser functions on the file chooser dialog as well as those for Dialog.

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

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

Typical usage

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

⚠️ The following code is in c ⚠️

static void
on_open_response (GtkDialog *dialog,
                  int        response)
{
  if (response == GTK_RESPONSE_ACCEPT)
    {
      GtkFileChooser *chooser = GTK_FILE_CHOOSER (dialog);

      g_autoptr(GFile) file = gtk_file_chooser_get_file (chooser);

      open_file (file);
    }

  gtk_window_destroy (GTK_WINDOW (dialog));
}

  // ...
  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);

  gtk_window_present (GTK_WINDOW (dialog));

  g_signal_connect (dialog, "response",
                    G_CALLBACK (on_open_response),
                    NULL);

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

⚠️ The following code is in c ⚠️

static void
on_save_response (GtkDialog *dialog,
                  int        response)
{
  if (response == GTK_RESPONSE_ACCEPT)
    {
      GtkFileChooser *chooser = GTK_FILE_CHOOSER (dialog);

      g_autoptr(GFile) file = gtk_file_chooser_get_file (chooser);

      save_to_file (file);
    }

  gtk_window_destroy (GTK_WINDOW (dialog));
}

  // ...
  GtkWidget *dialog;
  GtkFileChooser *chooser;
  GtkFileChooserAction action = GTK_FILE_CHOOSER_ACTION_SAVE;

  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);

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

  gtk_window_present (GTK_WINDOW (dialog));

  g_signal_connect (dialog, "response",
                    G_CALLBACK (on_save_response),
                    NULL);

Setting up a file chooser dialog

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

In general, you should only cause the file chooser to show a specific folder when it is appropriate to use FileChooserExt::set_file(), i.e. when you are doing a “Save As” command and you already have a file saved somewhere.

Response Codes

FileChooserDialog inherits from Dialog, so buttons that go in its action area have response codes such as ResponseType::Accept and ResponseType::Cancel. For example, you could call new() as follows:

⚠️ The following code is in c ⚠️

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 predefined response identifiers from ResponseType. For most dialog boxes you can use your own custom response codes rather than the ones in ResponseType, but 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 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 a predefined response code when you use FileChooserDialog to ensure proper operation.

Implements

DialogExt, GtkWindowExt, WidgetExt, glib::ObjectExt, AccessibleExt, BuildableExt, ConstraintTargetExt, NativeExt, RootExt, ShortcutManagerExt, FileChooserExt, DialogExtManual, WidgetExtManual, AccessibleExtManual, FileChooserExtManual

Implementations§

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impl FileChooserDialog

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pub fn builder() -> FileChooserDialogBuilder

Creates a new builder-pattern struct instance to construct FileChooserDialog objects.

This method returns an instance of FileChooserDialogBuilder which can be used to create FileChooserDialog objects.

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impl FileChooserDialog

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pub fn new( title: impl IntoOptionalGStr, parent: Option<&impl IsA<Window>>, action: FileChooserAction, buttons: &[(&str, ResponseType)] ) -> Self

Creates a new FileChooserDialog.

This function is analogous to Dialog::with_buttons().

Deprecated since 4.10

Use FileDialog instead

title

Title of the dialog

parent

Transient parent of the dialog

action

Open or save mode for the dialog

first_button_text

text to go in the first button

Returns

a new FileChooserDialog

Trait Implementations§

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impl Clone for FileChooserDialog

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fn clone(&self) -> Self

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for FileChooserDialog

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for FileChooserDialog

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Display for FileChooserDialog

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl HasParamSpec for FileChooserDialog

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type ParamSpec = ParamSpecObject

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type SetValue = FileChooserDialog

Preferred value to be used as setter for the associated ParamSpec.
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type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, FileChooserDialog>

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fn param_spec_builder() -> Self::BuilderFn

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impl Hash for FileChooserDialog

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fn hash<H>(&self, state: &mut H)where H: Hasher,

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for FileChooserDialog

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fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Selfwhere Self: Sized + PartialOrd<Self>,

Restrict a value to a certain interval. Read more
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impl ParentClassIs for FileChooserDialog

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impl<OT: ObjectType> PartialEq<OT> for FileChooserDialog

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fn eq(&self, other: &OT) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<OT: ObjectType> PartialOrd<OT> for FileChooserDialog

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fn partial_cmp(&self, other: &OT) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl StaticType for FileChooserDialog

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fn static_type() -> Type

Returns the type identifier of Self.
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impl Eq for FileChooserDialog

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impl IsA<Accessible> for FileChooserDialog

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impl IsA<Buildable> for FileChooserDialog

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impl IsA<ConstraintTarget> for FileChooserDialog

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impl IsA<Dialog> for FileChooserDialog

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impl IsA<FileChooser> for FileChooserDialog

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impl IsA<Native> for FileChooserDialog

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impl IsA<Root> for FileChooserDialog

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impl IsA<ShortcutManager> for FileChooserDialog

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impl IsA<Widget> for FileChooserDialog

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impl IsA<Window> for FileChooserDialog

Auto Trait Implementations§

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unsafe fn from_glib_full_num_as_vec( ptr: *mut GPtrArray, num: usize ) -> Vec<T, Global>

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for Twhere T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

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unsafe fn from_glib_full_num_as_vec( ptr: *mut GSList, num: usize ) -> Vec<T, Global>

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unsafe fn from_glib_full_as_vec(_: *const GPtrArray) -> Vec<T, Global>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for Twhere T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

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unsafe fn from_glib_full_as_vec(ptr: *mut GList) -> Vec<T, Global>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for Twhere T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

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unsafe fn from_glib_container_as_vec(ptr: *mut GPtrArray) -> Vec<T, Global>

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unsafe fn from_glib_full_as_vec(ptr: *mut GPtrArray) -> Vec<T, Global>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for Twhere T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

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unsafe fn from_glib_none_as_vec(ptr: *mut GSList) -> Vec<T, Global>

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unsafe fn from_glib_container_as_vec(ptr: *mut GSList) -> Vec<T, Global>

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unsafe fn from_glib_full_as_vec(ptr: *mut GSList) -> Vec<T, Global>

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Emit signal by signal id with details. Read more
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fn disconnect(&self, handler_id: SignalHandlerId)

Disconnect a previously connected signal handler.
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fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec) + Send + Sync + 'static,

Connect to the notify signal of the object. Read more
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fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec) + 'static,

Connect to the notify signal of the object. Read more
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unsafe fn connect_notify_unsafe<F>( &self, name: Option<&str>, f: F ) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec),

Connect to the notify signal of the object. Read more
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fn notify(&self, property_name: &str)

Notify that the given property has changed its value. Read more
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fn notify_by_pspec(&self, pspec: &ParamSpec)

Notify that the given property has changed its value. Read more
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fn downgrade(&self) -> WeakRef<T>

Downgrade this object to a weak reference.
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fn add_weak_ref_notify<F>(&self, f: F) -> WeakRefNotify<T>where F: FnOnce() + Send + 'static,

Add a callback to be notified when the Object is disposed.
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fn add_weak_ref_notify_local<F>(&self, f: F) -> WeakRefNotify<T>where F: FnOnce() + 'static,

Add a callback to be notified when the Object is disposed. Read more
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fn bind_property<'f, 't, O, 'a>( &'a self, source_property: &'a str, target: &'a O, target_property: &'a str ) -> BindingBuilder<'a, 'f, 't>where O: ObjectType,

Bind property source_property on this object to the target_property on the target object. Read more
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fn ref_count(&self) -> u32

Returns the strong reference count of this object.
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unsafe fn run_dispose(&self)

Runs the dispose mechanism of the object. Read more
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impl<T> Property for Twhere T: HasParamSpec,

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type Value = T

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impl<T> PropertyGet for Twhere T: HasParamSpec,

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type Value = T

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fn get<R, F>(&self, f: F) -> Rwhere F: Fn(&<T as PropertyGet>::Value) -> R,

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impl<T> StaticTypeExt for Twhere T: StaticType,

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fn ensure_type()

Ensures that the type has been registered with the type system.
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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T> TransparentType for Twhere T: TransparentPtrType,

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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T> TryFromClosureReturnValue for Twhere T: for<'a> FromValue<'a> + StaticType + 'static,

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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<Super, Sub> CanDowncast<Sub> for Superwhere Super: IsA<Super>, Sub: IsA<Super>,

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impl<'a, T, C, E> FromValueOptional<'a> for Twhere T: FromValue<'a, Checker = C>, C: ValueTypeChecker<Error = ValueTypeMismatchOrNoneError<E>>, E: Error + Send + 'static,