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我在这里提到了同样的问题：即使设置了可编辑行为，也无法在 NSPopover 上编辑 NSTextField。解决方案似乎是覆盖NSWindow的canBecomeKeyWindow。我试图在 PyObjC 中做同样的事情，但我得到一个错误Python signature doesn't match implied objective-C signature。

在以下代码中，如果我注释掉 canBecomeKeyWindow_()，则应用程序按预期运行，但我无法单击和编辑文本字段。

# from Cocoa import *
from AppKit import NSWindowController, NSApplication, NSApp, NSMaxYEdge, NSImage, NSStatusBar, NSMenu, NSMenuItem, NSVariableStatusItemLength, NSRect
from Cocoa import objc

from Foundation import NSUserNotification, NSUserNotificationCenter, NSObject
from PyObjCTools import AppHelper
import webbrowser
import subprocess
import os
global popover


class TestApp(NSApplication):

    def finishLaunching(self):
        # Make statusbar item
        statusbar = NSStatusBar.systemStatusBar()
        self.statusitem = statusbar.statusItemWithLength_(NSVariableStatusItemLength)
        self.icon = NSImage.alloc().initByReferencingFile_('app-icon.png')
        self.icon.setScalesWhenResized_(True)
        self.icon.setSize_((20, 20))
        self.statusitem.setImage_(self.icon)
        self.statusitem.setHighlightMode_(1)
                # make the menu
        self.menubarMenu = NSMenu.alloc().init()
        self.menuItem = NSMenuItem.alloc().initWithTitle_action_keyEquivalent_('Login', 'loginCallback:', '')
        self.menubarMenu.addItem_(self.menuItem)

        self.quit = NSMenuItem.alloc().initWithTitle_action_keyEquivalent_('Quit', 'terminate:', '')
        self.menubarMenu.addItem_(self.quit)

        # add menu to statusitem
        self.statusitem.setMenu_(self.menubarMenu)

    def loginCallback_(self, notification):
        # Initiate the contrller with a XIB
        viewController = SimpleXibDemoController.alloc().initWithWindowNibName_("Login")

        # Show the window
        viewController.showWindow_(viewController)
        rect = self.statusitem.valueForKey_('button').frame()
        viewController.popover.showRelativeToRect_ofView_preferredEdge_(rect, self.statusitem.valueForKey_('button'), NSMaxYEdge)


class SimpleXibDemoController(NSWindowController):
    popover = objc.IBOutlet()
    counterTextField = objc.IBOutlet()
    username_field = objc.IBOutlet()
    password_field = objc.IBOutlet()
    submit_button = objc.IBOutlet()

    def canBecomeKeyWindow_(self):
        return 1

    def windowDidLoad(self):
        NSWindowController.windowDidLoad(self)

    @objc.IBAction
    def submit_(self, sender):
        username = self.username_field.stringValue()
        password = self.password_field.stringValue()
        self.updateDisplay(username + ' ' + password)

    def updateDisplay(self, value):
        self.counterTextField.setStringValue_(value)

if __name__ == "__main__":
    app = TestApp.sharedApplication()
    icon = NSImage.alloc().initByReferencingFile_('app-icon.png')
    app.setApplicationIconImage_(icon)
    AppHelper.runEventLoop()
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1 回答 1

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看起来你在不应该的地方添加了下划线。PyObjC 桥将其转换为冒号。除此之外，对应的 Python 布尔值应该是True. 因此，正确的函数如下所示：

def canBecomeKeyWindow(self):
    return True
于 2015-01-21T14:34:24.707 回答