pub struct Menu { /* private fields */ }
Expand description
GMenu
is a simple implementation of MenuModel
.
You populate a GMenu
by adding MenuItem
instances to it.
There are some convenience functions to allow you to directly
add items (avoiding MenuItem
) for the common cases. To add
a regular item, use insert()
. To add a section, use
insert_section()
. To add a submenu, use
insert_submenu()
.
§Implements
MenuModelExt
, [trait@glib::ObjectExt
]
GLib type: GObject with reference counted clone semantics.
Implementations§
Source§impl Menu
impl Menu
Sourcepub fn append_item(&self, item: &MenuItem)
pub fn append_item(&self, item: &MenuItem)
Appends @item to the end of @self.
See g_menu_insert_item() for more information.
§item
a #GMenuItem to append
Sourcepub fn freeze(&self)
pub fn freeze(&self)
Marks @self as frozen.
After the menu is frozen, it is an error to attempt to make any changes to it. In effect this means that the #GMenu API must no longer be used.
This function causes g_menu_model_is_mutable() to begin returning
false
, which has some positive performance implications.
Sourcepub fn insert_item(&self, position: i32, item: &MenuItem)
pub fn insert_item(&self, position: i32, item: &MenuItem)
Inserts @item into @self.
The “insertion” is actually done by copying all of the attribute and link values of @item and using them to form a new item within @self. As such, @item itself is not really inserted, but rather, a menu item that is exactly the same as the one presently described by @item.
This means that @item is essentially useless after the insertion occurs. Any changes you make to it are ignored unless it is inserted again (at which point its updated values will be copied).
You should probably just free @item once you’re done.
There are many convenience functions to take care of common cases. See g_menu_insert(), g_menu_insert_section() and g_menu_insert_submenu() as well as “prepend” and “append” variants of each of these functions.
§position
the position at which to insert the item
§item
the #GMenuItem to insert
Sourcepub fn insert_section(
&self,
position: i32,
label: Option<&str>,
section: &impl IsA<MenuModel>,
)
pub fn insert_section( &self, position: i32, label: Option<&str>, section: &impl IsA<MenuModel>, )
Sourcepub fn prepend_item(&self, item: &MenuItem)
pub fn prepend_item(&self, item: &MenuItem)
Prepends @item to the start of @self.
See g_menu_insert_item() for more information.
§item
a #GMenuItem to prepend
Sourcepub fn remove(&self, position: i32)
pub fn remove(&self, position: i32)
Removes an item from the menu.
@position gives the index of the item to remove.
It is an error if position is not in range the range from 0 to one less than the number of items in the menu.
It is not possible to remove items by identity since items are added to the menu simply by copying their links and attributes (ie: identity of the item itself is not preserved).
§position
the position of the item to remove
Sourcepub fn remove_all(&self)
pub fn remove_all(&self)
Removes all items in the menu.
Trait Implementations§
Source§impl HasParamSpec for Menu
impl HasParamSpec for Menu
Source§impl Ord for Menu
impl Ord for Menu
Source§fn cmp(&self, other: &Self) -> Ordering
fn cmp(&self, other: &Self) -> Ordering
Comparison for two GObjects.
Compares the memory addresses of the provided objects.
1.21.0 · Source§fn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
Source§impl<OT: ObjectType> PartialEq<OT> for Menu
impl<OT: ObjectType> PartialEq<OT> for Menu
Source§impl<OT: ObjectType> PartialOrd<OT> for Menu
impl<OT: ObjectType> PartialOrd<OT> for Menu
Source§impl StaticType for Menu
impl StaticType for Menu
Source§fn static_type() -> Type
fn static_type() -> Type
Self
.impl Eq for Menu
impl IsA<MenuModel> for Menu
Auto Trait Implementations§
impl Freeze for Menu
impl RefUnwindSafe for Menu
impl !Send for Menu
impl !Sync for Menu
impl Unpin for Menu
impl UnwindSafe for Menu
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