Struct gtk4::FileChooserNative
source · #[repr(transparent)]pub struct FileChooserNative { /* private fields */ }
Expand description
Use FileDialog
instead
FileChooserNative
is an abstraction of a dialog suitable
for use with “File Open” or “File Save as” commands.
By default, this just uses a FileChooserDialog
to implement
the actual dialog. However, on some platforms, such as Windows and
macOS, the native platform file chooser is used instead. When the
application is running in a sandboxed environment without direct
filesystem access (such as Flatpak), FileChooserNative
may call
the proper APIs (portals) to let the user choose a file and make it
available to the application.
While the API of FileChooserNative
closely mirrors FileChooserDialog
,
the main difference is that there is no access to any Window
or Widget
for the dialog. This is required, as there may not be one in the case of a
platform native dialog.
Showing, hiding and running the dialog is handled by the
NativeDialog
functions.
Note that unlike FileChooserDialog
, FileChooserNative
objects
are not toplevel widgets, and GTK does not keep them alive. It is your
responsibility to keep a reference until you are done with the
object.
Typical usage
In the simplest of cases, you can the following code to use
FileChooserNative
to select a file for opening:
⚠️ The following code is in c ⚠️
static void
on_response (GtkNativeDialog *native,
int response)
{
if (response == GTK_RESPONSE_ACCEPT)
{
GtkFileChooser *chooser = GTK_FILE_CHOOSER (native);
GFile *file = gtk_file_chooser_get_file (chooser);
open_file (file);
g_object_unref (file);
}
g_object_unref (native);
}
// ...
GtkFileChooserNative *native;
GtkFileChooserAction action = GTK_FILE_CHOOSER_ACTION_OPEN;
native = gtk_file_chooser_native_new ("Open File",
parent_window,
action,
"_Open",
"_Cancel");
g_signal_connect (native, "response", G_CALLBACK (on_response), NULL);
gtk_native_dialog_show (GTK_NATIVE_DIALOG (native));
To use a FileChooserNative
for saving, you can use this:
⚠️ The following code is in c ⚠️
static void
on_response (GtkNativeDialog *native,
int response)
{
if (response == GTK_RESPONSE_ACCEPT)
{
GtkFileChooser *chooser = GTK_FILE_CHOOSER (native);
GFile *file = gtk_file_chooser_get_file (chooser);
save_to_file (file);
g_object_unref (file);
}
g_object_unref (native);
}
// ...
GtkFileChooserNative *native;
GtkFileChooser *chooser;
GtkFileChooserAction action = GTK_FILE_CHOOSER_ACTION_SAVE;
native = gtk_file_chooser_native_new ("Save File",
parent_window,
action,
"_Save",
"_Cancel");
chooser = GTK_FILE_CHOOSER (native);
if (user_edited_a_new_document)
gtk_file_chooser_set_current_name (chooser, _("Untitled document"));
else
gtk_file_chooser_set_file (chooser, existing_file, NULL);
g_signal_connect (native, "response", G_CALLBACK (on_response), NULL);
gtk_native_dialog_show (GTK_NATIVE_DIALOG (native));
For more information on how to best set up a file dialog,
see the FileChooserDialog
documentation.
Response Codes
FileChooserNative
inherits from NativeDialog
,
which means it will return ResponseType::Accept
if the user accepted,
and ResponseType::Cancel
if he pressed cancel. It can also return
ResponseType::DeleteEvent
if the window was unexpectedly closed.
Differences from FileChooserDialog
There are a few things in the FileChooser
interface that
are not possible to use with FileChooserNative
, as such use would
prohibit the use of a native dialog.
No operations that change the dialog work while the dialog is visible. Set all the properties that are required before showing the dialog.
Win32 details
On windows the IFileDialog
implementation (added in Windows Vista) is
used. It supports many of the features that FileChooser
has, but
there are some things it does not handle:
- Any
FileFilter
added using a mimetype
If any of these features are used the regular FileChooserDialog
will be used in place of the native one.
Portal details
When the org.freedesktop.portal.FileChooser
portal is available on
the session bus, it is used to bring up an out-of-process file chooser.
Depending on the kind of session the application is running in, this may
or may not be a GTK file chooser.
macOS details
On macOS the NSSavePanel
and NSOpenPanel
classes are used to provide
native file chooser dialogs. Some features provided by FileChooser
are not supported:
- Shortcut folders.
Properties
accept-label
The text used for the label on the accept button in the dialog, or
None
to use the default text.
Readable | Writeable
cancel-label
The text used for the label on the cancel button in the dialog, or
None
to use the default text.
Readable | Writeable
NativeDialog
modal
Whether the window should be modal with respect to its transient parent.
Readable | Writeable
title
The title of the dialog window
Readable | Writeable
transient-for
The transient parent of the dialog, or None
for none.
Readable | Writeable | Construct
visible
Whether the window is currently visible.
Readable | Writeable
FileChooser
action
The type of operation that the file chooser is performing.
Readable | Writeable
create-folders
Whether a file chooser not in FileChooserAction::Open
mode
will offer the user to create new folders.
Readable | Writeable
filter
The current filter for selecting files that are displayed.
Readable | Writeable
filters
A GListModel
containing the filters that have been
added with gtk_file_chooser_add_filter().
The returned object should not be modified. It may or may not be updated for later changes.
Readable
select-multiple
Whether to allow multiple files to be selected.
Readable | Writeable
shortcut-folders
A GListModel
containing the shortcut folders that have been
added with gtk_file_chooser_add_shortcut_folder().
The returned object should not be modified. It may or may not be updated for later changes.
Readable
Implements
NativeDialogExt
, glib::ObjectExt
, FileChooserExt
, NativeDialogExtManual
, FileChooserExtManual
Implementations§
source§impl FileChooserNative
impl FileChooserNative
sourcepub fn new(
title: Option<&str>,
parent: Option<&impl IsA<Window>>,
action: FileChooserAction,
accept_label: Option<&str>,
cancel_label: Option<&str>
) -> FileChooserNative
pub fn new( title: Option<&str>, parent: Option<&impl IsA<Window>>, action: FileChooserAction, accept_label: Option<&str>, cancel_label: Option<&str> ) -> FileChooserNative
Creates a new FileChooserNative
.
Deprecated since 4.10
Use FileDialog
instead
title
Title of the native
parent
Transient parent of the native
action
Open or save mode for the dialog
accept_label
text to go in the accept button, or None
for the default
cancel_label
text to go in the cancel button, or None
for the default
Returns
a new FileChooserNative
sourcepub fn builder() -> FileChooserNativeBuilder
pub fn builder() -> FileChooserNativeBuilder
Creates a new builder-pattern struct instance to construct FileChooserNative
objects.
This method returns an instance of FileChooserNativeBuilder
which can be used to create FileChooserNative
objects.
sourcepub fn accept_label(&self) -> Option<GString>
pub fn accept_label(&self) -> Option<GString>
Retrieves the custom label text for the accept button.
Deprecated since 4.10
Use FileDialog
instead
Returns
The custom label
sourcepub fn cancel_label(&self) -> Option<GString>
pub fn cancel_label(&self) -> Option<GString>
Retrieves the custom label text for the cancel button.
Deprecated since 4.10
Use FileDialog
instead
Returns
The custom label
sourcepub fn set_accept_label(&self, accept_label: Option<&str>)
pub fn set_accept_label(&self, accept_label: Option<&str>)
Sets the custom label text for the accept button.
If characters in @label are preceded by an underscore, they are underlined. If you need a literal underscore character in a label, use “__” (two underscores). The first underlined character represents a keyboard accelerator called a mnemonic.
Pressing Alt and that key should activate the button.
Deprecated since 4.10
Use FileDialog
instead
accept_label
custom label
sourcepub fn set_cancel_label(&self, cancel_label: Option<&str>)
pub fn set_cancel_label(&self, cancel_label: Option<&str>)
Sets the custom label text for the cancel button.
If characters in @label are preceded by an underscore, they are underlined. If you need a literal underscore character in a label, use “__” (two underscores). The first underlined character represents a keyboard accelerator called a mnemonic.
Pressing Alt and that key should activate the button.
Deprecated since 4.10
Use FileDialog
instead
cancel_label
custom label
pub fn connect_accept_label_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
pub fn connect_cancel_label_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
Trait Implementations§
source§impl Clone for FileChooserNative
impl Clone for FileChooserNative
source§impl Debug for FileChooserNative
impl Debug for FileChooserNative
source§impl Default for FileChooserNative
impl Default for FileChooserNative
source§impl Display for FileChooserNative
impl Display for FileChooserNative
source§impl HasParamSpec for FileChooserNative
impl HasParamSpec for FileChooserNative
type ParamSpec = ParamSpecObject
§type SetValue = FileChooserNative
type SetValue = FileChooserNative
type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, FileChooserNative>
fn param_spec_builder() -> Self::BuilderFn
source§impl Hash for FileChooserNative
impl Hash for FileChooserNative
source§impl Ord for FileChooserNative
impl Ord for FileChooserNative
source§impl ParentClassIs for FileChooserNative
impl ParentClassIs for FileChooserNative
type Parent = NativeDialog
source§impl<OT: ObjectType> PartialEq<OT> for FileChooserNative
impl<OT: ObjectType> PartialEq<OT> for FileChooserNative
source§impl<OT: ObjectType> PartialOrd<OT> for FileChooserNative
impl<OT: ObjectType> PartialOrd<OT> for FileChooserNative
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
self
and other
) and is used by the <=
operator. Read moresource§impl StaticType for FileChooserNative
impl StaticType for FileChooserNative
source§fn static_type() -> Type
fn static_type() -> Type
Self
.impl Eq for FileChooserNative
impl IsA<FileChooser> for FileChooserNative
impl IsA<NativeDialog> for FileChooserNative
Auto Trait Implementations§
impl RefUnwindSafe for FileChooserNative
impl !Send for FileChooserNative
impl !Sync for FileChooserNative
impl Unpin for FileChooserNative
impl UnwindSafe for FileChooserNative
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) -> SignalHandlerIdwhere
F: Fn(&[Value]) -> Option<Value>,
unsafe fn connect_unsafe_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F ) -> SignalHandlerIdwhere F: Fn(&[Value]) -> Option<Value>,
signal_id
on this object. Read moresource§fn connect_closure(
&self,
signal_name: &str,
after: bool,
closure: RustClosure
) -> SignalHandlerId
fn connect_closure( &self, signal_name: &str, after: bool, closure: RustClosure ) -> SignalHandlerId
signal_name
on this object. Read moresource§fn connect_closure_id(
&self,
signal_id: SignalId,
details: Option<Quark>,
after: bool,
closure: RustClosure
) -> SignalHandlerId
fn connect_closure_id( &self, signal_id: SignalId, details: Option<Quark>, after: bool, closure: RustClosure ) -> SignalHandlerId
signal_id
on this object. Read moresource§fn watch_closure(&self, closure: &impl AsRef<Closure>)
fn watch_closure(&self, closure: &impl AsRef<Closure>)
closure
to the lifetime of the object. When
the object’s reference count drops to zero, the closure will be
invalidated. An invalidated closure will ignore any calls to
invoke_with_values
, or
invoke
when using Rust closures.source§fn emit<R>(&self, signal_id: SignalId, args: &[&dyn ToValue]) -> Rwhere
R: TryFromClosureReturnValue,
fn emit<R>(&self, signal_id: SignalId, args: &[&dyn ToValue]) -> Rwhere R: TryFromClosureReturnValue,
source§fn emit_with_values(&self, signal_id: SignalId, args: &[Value]) -> Option<Value>
fn emit_with_values(&self, signal_id: SignalId, args: &[Value]) -> Option<Value>
Self::emit
but takes Value
for the arguments.source§fn emit_by_name<R>(&self, signal_name: &str, args: &[&dyn ToValue]) -> Rwhere
R: TryFromClosureReturnValue,
fn emit_by_name<R>(&self, signal_name: &str, args: &[&dyn ToValue]) -> Rwhere R: TryFromClosureReturnValue,
source§fn emit_by_name_with_values(
&self,
signal_name: &str,
args: &[Value]
) -> Option<Value>
fn emit_by_name_with_values( &self, signal_name: &str, args: &[Value] ) -> Option<Value>
source§fn emit_by_name_with_details<R>(
&self,
signal_name: &str,
details: Quark,
args: &[&dyn ToValue]
) -> Rwhere
R: TryFromClosureReturnValue,
fn emit_by_name_with_details<R>( &self, signal_name: &str, details: Quark, args: &[&dyn ToValue] ) -> Rwhere R: TryFromClosureReturnValue,
source§fn emit_by_name_with_details_and_values(
&self,
signal_name: &str,
details: Quark,
args: &[Value]
) -> Option<Value>
fn emit_by_name_with_details_and_values( &self, signal_name: &str, details: Quark, args: &[Value] ) -> Option<Value>
source§fn emit_with_details<R>(
&self,
signal_id: SignalId,
details: Quark,
args: &[&dyn ToValue]
) -> Rwhere
R: TryFromClosureReturnValue,
fn emit_with_details<R>( &self, signal_id: SignalId, details: Quark, args: &[&dyn ToValue] ) -> Rwhere R: TryFromClosureReturnValue,
source§fn emit_with_details_and_values(
&self,
signal_id: SignalId,
details: Quark,
args: &[Value]
) -> Option<Value>
fn emit_with_details_and_values( &self, signal_id: SignalId, details: Quark, args: &[Value] ) -> Option<Value>
source§fn disconnect(&self, handler_id: SignalHandlerId)
fn disconnect(&self, handler_id: SignalHandlerId)
source§fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec) + Send + Sync + 'static,
fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec) + Send + Sync + 'static,
notify
signal of the object. Read moresource§fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec) + 'static,
fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec) + 'static,
notify
signal of the object. Read moresource§unsafe fn connect_notify_unsafe<F>(
&self,
name: Option<&str>,
f: F
) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec),
unsafe fn connect_notify_unsafe<F>( &self, name: Option<&str>, f: F ) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec),
notify
signal of the object. Read more