Struct IKImageBrowserView

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#[repr(C)]
pub struct IKImageBrowserView { /* private fields */ }

👎Deprecated: Deprecated - Please use NSCollectionView instead

Available on crate features IKImageBrowserView and ImageKit only.

Expand description

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pub unsafe fn setDataSource(&self, data_source: Option<&AnyObject>)

👎Deprecated: Deprecated - Please use NSCollectionView instead

Setter for dataSource.

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pub unsafe fn reloadData(&self)

👎Deprecated: Deprecated - Please use NSCollectionView instead

Marks the receiver as needing redisplay, so it will reload the data and draw the new values.

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pub unsafe fn delegate(&self) -> Option<Retained<AnyObject>>

👎Deprecated: Deprecated - Please use NSCollectionView instead

The receiver’s delegate. aDelegate is expected to implement the IKImageBrowserDelegate informal protocol.

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pub unsafe fn setDelegate(&self, delegate: Option<&AnyObject>)

👎Deprecated: Deprecated - Please use NSCollectionView instead

Setter for delegate.

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impl IKImageBrowserView

IKAppearance.

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pub unsafe fn setCellsStyleMask(&self, mask: NSUInteger)

👎Deprecated: Deprecated - Please use NSCollectionView instead

Defines the cells appearance style.

Parameter mask: An integer bit mask; see the discussion below.

mask can be specified by combining any of the options below using the C bitwise OR operator

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pub unsafe fn cellsStyleMask(&self) -> NSUInteger

👎Deprecated: Deprecated - Please use NSCollectionView instead

Return the cells appearance style mask.

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pub unsafe fn setConstrainsToOriginalSize(&self, flag: bool)

👎Deprecated: Deprecated - Please use NSCollectionView instead

Sets whether the receiver constraints the cells’s image to their original size. Default is NO.

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👎Deprecated: Deprecated - Please use NSCollectionView instead

Available on crate feature IKImageBrowserCell only.

Returns the cell to use for the specified item. The returned cell should not be autoreleased.

Parameter The: item that the returned cell will represent.

Subclasses can override this method to customize the appearance of the cell that will represent “anItem”.

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pub unsafe fn cellForItemAtIndex( &self, index: NSUInteger, ) -> Option<Retained<IKImageBrowserCell>>

👎Deprecated: Deprecated - Please use NSCollectionView instead

Available on crate feature IKImageBrowserCell only.

Returns the cell at the specified index.

Subclasses must not override this method.

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impl IKImageBrowserView

IKBrowsing.

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pub unsafe fn setZoomValue(&self, a_value: c_float)

👎Deprecated: Deprecated - Please use NSCollectionView instead

Sets the zoom value to aValue .

This value should be greater or equal to zero and less or equal than one. A zoom value of zero corresponds to the minimum size (40x40 pixels), A zoom value of one means images fit the browser bounds. Other values are interpolated.

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pub unsafe fn zoomValue(&self) -> c_float

👎Deprecated: Deprecated - Please use NSCollectionView instead

Returns the current zoom value.

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pub unsafe fn setContentResizingMask(&self, mask: NSUInteger)

👎Deprecated: Deprecated - Please use NSCollectionView instead

👎Deprecated: Deprecated - Please use NSCollectionView instead

👎Deprecated: Deprecated - Please use NSCollectionView instead

Returns the number of rows in the receiver.

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pub unsafe fn numberOfColumns(&self) -> NSUInteger

👎Deprecated: Deprecated - Please use NSCollectionView instead

Returns the number of columns in the receiver.

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pub unsafe fn setCanControlQuickLookPanel(&self, flag: bool)

👎Deprecated: Deprecated - Please use NSCollectionView instead

Sets whether the receiver can automatically take control of the Quick Look panel.

Parameter flag: if YES, KImageBrowser can take control of the Quick Look panel automatically whenever it becomes first responder. This means that it provides the spacebar key store to open/close Quick Look panel and sets itself as the panel’s datasource and delegate.

default value is NO. IKImageBrowserView’s datasource items should provide file paths or URLs as their representation (see IKImageBrowserItem protocol).

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pub unsafe fn canControlQuickLookPanel(&self) -> bool

👎Deprecated: Deprecated - Please use NSCollectionView instead

Returns a Boolean value that indicates whether the receiver can automatically take control of the Quick Look panel.

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IKDragNDrop.

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pub unsafe fn setDraggingDestinationDelegate( &self, delegate: Option<&AnyObject>, )

👎Deprecated: Deprecated - Please use NSCollectionView instead

Sets the receiver’s dragging destination delegate to delegate .

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pub unsafe fn draggingDestinationDelegate(&self) -> Option<Retained<AnyObject>>

👎Deprecated: Deprecated - Please use NSCollectionView instead

Returns the receiver’s dragging destination delegate.

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pub unsafe fn indexAtLocationOfDroppedItem(&self) -> NSUInteger

👎Deprecated: Deprecated - Please use NSCollectionView instead

Returns the index of the cell where the drop operation occured. This index is valid when a drop occurred and until next drop.

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pub unsafe fn dropOperation(&self) -> IKImageBrowserDropOperation

👎Deprecated: Deprecated - Please use NSCollectionView instead

Returns the current dropOperation. The returned value is valid when a drop occurred and until next drop.

Returns IKImageBrowserDropOn if the drop occurs on an item. Returns IKImageBrowserDropBefore otherwise. In drag and drop, used to specify a dropOperation. For example, given a browser with N cells (numbered with cell 0 at the top left visually), a cell of N-1 and operation of IKImageBrowserDropOn would specify a drop on the last cell. To specify a drop after the last cell, one would use an index of N and IKImageBrowserDropBefore for the operation.

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pub unsafe fn setAllowsDroppingOnItems(&self, flag: bool)

👎Deprecated: Deprecated - Please use NSCollectionView instead

Controls whether the user can drop on items. Default is NO.

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pub unsafe fn allowsDroppingOnItems(&self) -> bool

👎Deprecated: Deprecated - Please use NSCollectionView instead

Returns YES if the receiver allows the user to drop on items, NO otherwise.

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pub unsafe fn setDropIndex_dropOperation( &self, index: NSInteger, operation: IKImageBrowserDropOperation, )

👎Deprecated: Deprecated - Please use NSCollectionView instead

Used if you wish to �retarget� the proposed drop.

To specify a drop on the second item, one would specify index as 1, and operation as IKImageBrowserDropOn. To specify a drop after the last item, one would specify index as the number of items and operation as IKImageBrowserDropBefore. Passing a value of �1 for index, and IKImageBrowserDropOn as the operation causes the entire browser view to be highlighted rather than a specific item. This is useful if the data displayed by the receiver does not allow the user to drop items at a specific item location.

Methods from Deref<Target = NSView>§

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pub unsafe fn setSubviews(&self, subviews: &NSArray<NSView>)

Setter for subviews.

pub fn setPostsFrameChangedNotifications( &self, posts_frame_changed_notifications: bool, )

Setter for postsFrameChangedNotifications.

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pub unsafe fn resizeSubviewsWithOldSize(&self, old_size: CGSize)

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pub fn frame(&self) -> CGRect

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pub unsafe fn setFrame(&self, frame: CGRect)

Setter for frame.

Setter for bounds.

Setter for canDrawConcurrently.

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pub unsafe fn canDraw(&self) -> bool

👎Deprecated: If a view needs display, -drawRect: or -updateLayer will be called automatically when the view is able to draw. To check whether a view is in a window, call -window. To check whether a view is hidden, call -isHiddenOrHasHiddenAncestor.

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pub unsafe fn setNeedsDisplayInRect(&self, invalid_rect: CGRect)

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pub unsafe fn needsDisplay(&self) -> bool

👎Deprecated: Use NSScrollView to achieve scrolling views.

pub unsafe fn setAcceptsTouchEvents(&self, accepts_touch_events: bool)

👎Deprecated: Use allowedTouchTypes instead

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pub unsafe fn canDrawSubviewsIntoLayer(&self) -> bool

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pub unsafe fn setCanDrawSubviewsIntoLayer( &self, can_draw_subviews_into_layer: bool, )

Setter for canDrawSubviewsIntoLayer.

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pub unsafe fn layoutSubtreeIfNeeded(&self)

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A contextual menu is being opened from the receiving view. The view should update any visual state in response — such as making a selection.

Parameter menu: The contextual menu that is being opened on the view

Parameter event: The event that caused the menu to open.

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pub unsafe fn didCloseMenu_withEvent( &self, menu: &NSMenu, event: Option<&NSEvent>, )

A contextual menu shown from the receiving view has been closed. This is only called if the menu had been opened and the view previously received -willOpenMenu:withEvent:.The view should update any visual state in response — such as removing a temporary selection.

Parameter menu: The contextual menu that was open on the view

Parameter event: The event that caused the menu to close. This may be nil if there is no specific event that triggered the closing.

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pub unsafe fn toolTip(&self) -> Option<Retained<NSString>>

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pub unsafe fn setToolTip(&self, tool_tip: Option<&NSString>)

Setter for toolTip.

pub unsafe fn allowsVibrancy(&self) -> bool

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pub unsafe fn viewDidChangeEffectiveAppearance(&self)

Override point for reacting to the effective appearance of the receiver changing. At this point effectiveAppearance property reflects the new appearance.

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pub unsafe fn nextKeyView(&self) -> Option<Retained<NSView>>

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pub unsafe fn setNextKeyView(&self, next_key_view: Option<&NSView>)

Setter for nextKeyView.

👎Deprecated

Methods from Deref<Target = NSResponder>§

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pub unsafe fn nextResponder(&self) -> Option<Retained<NSResponder>>

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pub unsafe fn setNextResponder(&self, next_responder: Option<&NSResponder>)

Setter for nextResponder.

Handle a key event that should present a context menu at the user focus.

Most applications should not override this method. Instead, you should customize the context menu displayed from a keyboard event by implementing menuForEvent: and selectionAnchorRect, or showContextMenuForSelection:, rather than this method.

You should only override this method when you do not want the system-provided default behavior for the context menu hotkey, either for a specific key combination, or for the hotkey in general. For example, if your application already provides a different behavior for control-Return (the default context menu hotkey definition), and you want to preserve that behavior, you should override this method to handle that specific key combination, and then return without calling super. Note that the user may customize the hotkey to a different key combination, so in this example, if any other key combination is passed to your method, you would call super.

An implementation of this method should call [super contextMenuKeyDown:event] to pass the request up the responder chain. If the message reaches the application object, NSApplication’s implementation of this method will send showContextMenuForSelection: to the responder chain. If you do not call super, then no further handling of the key event will be performed.

Note: In some cases, showContextMenuForSelection: will be called without a prior call to contextMenuKeyDown:. This occurs when a view receives an Accessibility ShowMenu action, or when the user has created a Cocoa Text key binding to map a different key combination to the showContextMenuForSelection: action.

Parameter event: The key down event that matches the system-wide context menu hotkey combination.

See also: showContextMenuForSelection:

pub fn doesNotRecognizeSelector(&self, sel: Sel) -> !

Handle messages the object doesn’t recognize.

See Apple’s documentation for details.

Methods from Deref<Target = AnyObject>§

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pub fn class(&self) -> &'static AnyClass

Dynamically find the class of this object.

§Panics

May panic if the object is invalid (which may be the case for objects returned from unavailable init/new methods).

§Example

Check that an instance of NSObject has the precise class NSObject.

use objc2::ClassType;
use objc2::runtime::NSObject;

let obj = NSObject::new();
assert_eq!(obj.class(), NSObject::class());

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pub unsafe fn get_ivar<T>(&self, name: &str) -> &T
where T: Encode,

👎Deprecated: this is difficult to use correctly, use Ivar::load instead.

Use Ivar::load instead.

§Safety

The object must have an instance variable with the given name, and it must be of type T.

See Ivar::load_ptr for details surrounding this.

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pub fn downcast_ref<T>(&self) -> Option<&T>
where T: DowncastTarget,

Attempt to downcast the object to a class of type T.

This is the reference-variant. Use Retained::downcast if you want to convert a retained object to another type.

§Mutable classes

Some classes have immutable and mutable variants, such as NSString and NSMutableString.

When some Objective-C API signature says it gives you an immutable class, it generally expects you to not mutate that, even though it may technically be mutable “under the hood”.

So using this method to convert a NSString to a NSMutableString, while not unsound, is generally frowned upon unless you created the string yourself, or the API explicitly documents the string to be mutable.

See Apple’s documentation on mutability and on isKindOfClass: for more details.

§Generic classes

Objective-C generics are called “lightweight generics”, and that’s because they aren’t exposed in the runtime. This makes it impossible to safely downcast to generic collections, so this is disallowed by this method.

You can, however, safely downcast to generic collections where all the type-parameters are AnyObject.

§Panics

This works internally by calling isKindOfClass:. That means that the object must have the instance method of that name, and an exception will be thrown (if CoreFoundation is linked) or the process will abort if that is not the case. In the vast majority of cases, you don’t need to worry about this, since both root objects NSObject and NSProxy implement this method.

§Examples

Cast an NSString back and forth from NSObject.

use objc2::rc::Retained;
use objc2_foundation::{NSObject, NSString};

let obj: Retained<NSObject> = NSString::new().into_super();
let string = obj.downcast_ref::<NSString>().unwrap();
// Or with `downcast`, if we do not need the object afterwards
let string = obj.downcast::<NSString>().unwrap();

Try (and fail) to cast an NSObject to an NSString.

use objc2_foundation::{NSObject, NSString};

let obj = NSObject::new();
assert!(obj.downcast_ref::<NSString>().is_none());

Try to cast to an array of strings.

use objc2_foundation::{NSArray, NSObject, NSString};

let arr = NSArray::from_retained_slice(&[NSObject::new()]);
// This is invalid and doesn't type check.
let arr = arr.downcast_ref::<NSArray<NSString>>();

This fails to compile, since it would require enumerating over the array to ensure that each element is of the desired type, which is a performance pitfall.

Downcast when processing each element instead.

use objc2_foundation::{NSArray, NSObject, NSString};

let arr = NSArray::from_retained_slice(&[NSObject::new()]);

for elem in arr {
    if let Some(data) = elem.downcast_ref::<NSString>() {
        // handle `data`
    }
}