Swift nspopover的设置位置
我有一个视图控制器(a),它将另一个视图控制器(B)显示为popover 在我的VC(A)中,是一个带有此iAction的NSButton:Swift nspopover的设置位置,swift,macos,nsviewcontroller,nspopover,Swift,Macos,Nsviewcontroller,Nspopover,我有一个视图控制器(a),它将另一个视图控制器(B)显示为popover 在我的VC(A)中,是一个带有此iAction的NSButton: self.presentViewController(vcPopover, asPopoverRelativeTo: myButton.bounds, of: myButton, preferredEdge: .maxX, behavior: .semitransient) 结果是: 现在我想改变我的府绸的位置-我想把它向上移动 我试过这个: let
self.presentViewController(vcPopover, asPopoverRelativeTo: myButton.bounds, of: myButton, preferredEdge: .maxX, behavior: .semitransient)
结果是:
现在我想改变我的府绸的位置-我想把它向上移动
我试过这个:
let position = NSRect(origin: CGPoint(x: 100.0, y: 120.0), size: CGSize(width: 0.0, height: 0.0))
self.presentViewController(vcPopover, asPopoverRelativeTo: position, of: myButton, preferredEdge: .maxX, behavior: .semitransient)
但情况并没有改变
另一个例子
我有一个分段控制。如果您点击段“1”,将显示一个弹出框(与上面的代码相同)。但是箭头指向的是段“2”,而不是段“1”首先,确保您的popover是真正的
NSPopover
,而不仅仅是NSViewController
。假设要包装在popover中的视图控制器的故事板id为“vcPopover”,则获取内容vc如下所示:
let popoverContentController = NSStoryboard(name: NSStoryboard.Name(rawValue: "Main"), bundle: nil).instantiateController(withIdentifier: NSStoryboard.SceneIdentifier(rawValue: "vcPopover")) as! NSViewController
然后,将其包裹在一个popover中:
let popover = NSPopover()
popover.contentSize = NSSize(width: 200, height: 200) // Or whatever size you want, perhaps based on the size of the content controller
popover.behavior = .semitransient
popover.animates = true
popover.contentViewController = popoverContentController
然后,要演示,请致电:
这将更新popover的位置
更新:您可能正在使用NSSegmentedControl
,这意味着您需要特别注意传入show
的rect。您需要在分段控件的坐标系中传递边界矩形,该坐标系描述分段的区域。下面是一个详细的示例:
// The view controller doing the presenting
class ViewController: NSViewController {
...
var presentedPopover: NSPopover?
@IBAction func selectionChanged(_ sender: NSSegmentedControl) {
let segment = sender.selectedSegment
if let storyboard = storyboard {
let contentVC = storyboard.instantiateController(withIdentifier: NSStoryboard.SceneIdentifier("vcPopover")) as! NSViewController
presentedPopover = NSPopover()
presentedPopover?.contentSize = NSSize(width: 200, height: 200)
presentedPopover?.behavior = .semitransient
presentedPopover?.animates = true
presentedPopover?.contentViewController = contentVC
}
presentedPopover?.show(relativeTo: sender.relativeBounds(forSegment: segment), of: sender, preferredEdge: .minY)
}
}
extension NSSegmentedControl {
func relativeBounds(forSegment index: Int) -> NSRect {
// Assuming equal widths
let segmentWidth = bounds.width / CGFloat(segmentCount)
var rect = bounds
rect.size.width = segmentWidth
rect.origin.x = rect.origin.x + segmentWidth * CGFloat(index)
return rect
}
}
请注意,NSSegmentedControl
的扩展使用宽度计算段的近似矩形。此方法假定宽度相等,不考虑边界。您可以修改此方法以满足您的需要。可以找到有关获取iOS段帧(类似)的信息
只要同一情节提要中存在一个视图控制器,且该情节提要标识符为“vcPopover”,则此示例将被验证为正常工作。我这样声明了我的vcPopover:
让vcPopover=NSStoryboard(名称:NSStoryboard.name(rawValue:“Main”),bundle:nil)。InstanceController(标识符:NSStoryboard.SceneIdentifier(原始值:“vPopover”))as!NSViewController
。我得到错误:“NSViewController”类型的值没有成员“show”@Ghost108我更新了我的答案,并说明了如何创建nspover
。我尝试了你的代码,但结果是一样的,如上图所示。弹出箭头将指向第二段而不是第一段。我播放了w用CGPoint的值(x:100.0,y:120.0)
,但没有任何变化。你可以简单地使用水平NSButton
s或NSSegmentedControl
?如果是后者,你从哪里得到myButton
?@Ghost108我很抱歉。我创建了一个示例项目,并且能够使我的版本正常工作。我将把我的代码添加到我的答案中。
// The view controller doing the presenting
class ViewController: NSViewController {
...
var presentedPopover: NSPopover?
@IBAction func selectionChanged(_ sender: NSSegmentedControl) {
let segment = sender.selectedSegment
if let storyboard = storyboard {
let contentVC = storyboard.instantiateController(withIdentifier: NSStoryboard.SceneIdentifier("vcPopover")) as! NSViewController
presentedPopover = NSPopover()
presentedPopover?.contentSize = NSSize(width: 200, height: 200)
presentedPopover?.behavior = .semitransient
presentedPopover?.animates = true
presentedPopover?.contentViewController = contentVC
}
presentedPopover?.show(relativeTo: sender.relativeBounds(forSegment: segment), of: sender, preferredEdge: .minY)
}
}
extension NSSegmentedControl {
func relativeBounds(forSegment index: Int) -> NSRect {
// Assuming equal widths
let segmentWidth = bounds.width / CGFloat(segmentCount)
var rect = bounds
rect.size.width = segmentWidth
rect.origin.x = rect.origin.x + segmentWidth * CGFloat(index)
return rect
}
}