Struct gtk4::FileFilter
source · #[repr(transparent)]pub struct FileFilter { /* private fields */ }
Expand description
FileFilter
filters files by name or mime type.
FileFilter
can be used to restrict the files being shown in a
FileChooser
. Files can be filtered based on their name (with
add_pattern()
or add_suffix()
)
or on their mime type (with add_mime_type()
).
Filtering by mime types handles aliasing and subclassing of mime
types; e.g. a filter for text/plain also matches a file with mime
type application/rtf, since application/rtf is a subclass of
text/plain. Note that FileFilter
allows wildcards for the
subtype of a mime type, so you can e.g. filter for image/*.
Normally, file filters are used by adding them to a FileChooser
(see FileChooserExt::add_filter()
), but it is also possible to
manually use a file filter on any FilterListModel
containing
GFileInfo
objects.
GtkFileFilter as GtkBuildable
The FileFilter
implementation of the Buildable
interface
supports adding rules using the <mime-types>
and <patterns>
and
<suffixes>
elements and listing the rules within. Specifying a
<mime-type>
or <pattern>
or <suffix>
has the same effect as
as calling
add_mime_type()
or
add_pattern()
or
add_suffix()
.
An example of a UI definition fragment specifying FileFilter
rules:
<object class="GtkFileFilter">
<property name="name" translatable="yes">Text and Images</property>
<mime-types>
<mime-type>text/plain</mime-type>
<mime-type>image/ *</mime-type>
</mime-types>
<patterns>
<pattern>*.txt</pattern>
</patterns>
<suffixes>
<suffix>png</suffix>
</suffixes>
</object>
Properties
mime-types
The MIME types that this filter matches.
Writeable | Construct Only
name
The human-readable name of the filter.
This is the string that will be displayed in the file chooser user interface if there is a selectable list of filters.
Readable | Writeable
patterns
The patterns that this filter matches.
Writeable | Construct Only
suffixes
The suffixes that this filter matches.
Writeable | Construct Only
Implements
Implementations§
source§impl FileFilter
impl FileFilter
sourcepub fn new() -> FileFilter
pub fn new() -> FileFilter
Creates a new FileFilter
with no rules added to it.
Such a filter doesn’t accept any files, so is not
particularly useful until you add rules with
add_mime_type()
,
add_pattern()
,
add_suffix()
or
add_pixbuf_formats()
.
To create a filter that accepts any file, use: ⚠️ The following code is in c ⚠️
GtkFileFilter *filter = gtk_file_filter_new ();
gtk_file_filter_add_pattern (filter, "*");
Returns
a new FileFilter
sourcepub fn from_gvariant(variant: &Variant) -> FileFilter
pub fn from_gvariant(variant: &Variant) -> FileFilter
Deserialize a file filter from a GVariant
.
The variant must be in the format produced by
to_gvariant()
.
variant
an a{sv}
GVariant
Returns
a new FileFilter
object
sourcepub fn add_mime_type(&self, mime_type: &str)
pub fn add_mime_type(&self, mime_type: &str)
sourcepub fn add_pattern(&self, pattern: &str)
pub fn add_pattern(&self, pattern: &str)
Adds a rule allowing a shell style glob to a filter.
Note that it depends on the platform whether pattern matching ignores case or not. On Windows, it does, on other platforms, it doesn’t.
pattern
a shell style glob
sourcepub fn add_pixbuf_formats(&self)
pub fn add_pixbuf_formats(&self)
Adds a rule allowing image files in the formats supported by GdkPixbuf.
This is equivalent to calling add_mime_type()
for all the supported mime types.
sourcepub fn add_suffix(&self, suffix: &str)
Available on crate feature v4_4
only.
pub fn add_suffix(&self, suffix: &str)
v4_4
only.Adds a suffix match rule to a filter.
This is similar to adding a match for the pattern “*.@suffix”.
In contrast to pattern matches, suffix matches are always case-insensitive.
suffix
filename suffix to match
sourcepub fn attributes(&self) -> Vec<GString>
pub fn attributes(&self) -> Vec<GString>
Gets the attributes that need to be filled in for the GFileInfo
passed to this filter.
This function will not typically be used by applications;
it is intended principally for use in the implementation
of FileChooser
.
Returns
the attributes
sourcepub fn name(&self) -> Option<GString>
pub fn name(&self) -> Option<GString>
Gets the human-readable name for the filter.
See set_name()
.
Returns
The human-readable name of the filter
sourcepub fn to_gvariant(&self) -> Variant
pub fn to_gvariant(&self) -> Variant
pub fn connect_name_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
Trait Implementations§
source§impl Clone for FileFilter
impl Clone for FileFilter
source§impl Debug for FileFilter
impl Debug for FileFilter
source§impl Default for FileFilter
impl Default for FileFilter
source§impl Display for FileFilter
impl Display for FileFilter
source§impl HasParamSpec for FileFilter
impl HasParamSpec for FileFilter
type ParamSpec = ParamSpecObject
§type SetValue = FileFilter
type SetValue = FileFilter
type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, FileFilter>
fn param_spec_builder() -> Self::BuilderFn
source§impl Hash for FileFilter
impl Hash for FileFilter
source§impl Ord for FileFilter
impl Ord for FileFilter
source§impl ParentClassIs for FileFilter
impl ParentClassIs for FileFilter
source§impl<OT: ObjectType> PartialEq<OT> for FileFilter
impl<OT: ObjectType> PartialEq<OT> for FileFilter
source§impl<OT: ObjectType> PartialOrd<OT> for FileFilter
impl<OT: ObjectType> PartialOrd<OT> for FileFilter
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 FileFilter
impl StaticType for FileFilter
source§fn static_type() -> Type
fn static_type() -> Type
Self
.impl Eq for FileFilter
impl IsA<Buildable> for FileFilter
impl IsA<Filter> for FileFilter
Auto Trait Implementations§
impl RefUnwindSafe for FileFilter
impl !Send for FileFilter
impl !Sync for FileFilter
impl Unpin for FileFilter
impl UnwindSafe for FileFilter
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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