alt-key

问题 In my stage I have inserted a menubar at the top like usual for programs. I want to give the ALT key (together with arrow keys) some logic in another context within the stage. But everytime I press ALT and arrows I unintentionally navigate through the menus of the menubar, too. I want to avoid that or better completely disable this mnemonic behavior. Setting the mnemonicParsing properties of all menus to false failed. I also tried this approach without success: menubar.addEventFilter(KeyEvent

问题 In my stage I have inserted a menubar at the top like usual for programs. I want to give the ALT key (together with arrow keys) some logic in another context within the stage. But everytime I press ALT and arrows I unintentionally navigate through the menus of the menubar, too. I want to avoid that or better completely disable this mnemonic behavior. Setting the mnemonicParsing properties of all menus to false failed. I also tried this approach without success: menubar.addEventFilter(KeyEvent

问题 In my stage I have inserted a menubar at the top like usual for programs. I want to give the ALT key (together with arrow keys) some logic in another context within the stage. But everytime I press ALT and arrows I unintentionally navigate through the menus of the menubar, too. I want to avoid that or better completely disable this mnemonic behavior. Setting the mnemonicParsing properties of all menus to false failed. I also tried this approach without success: menubar.addEventFilter(KeyEvent

问题 In my stage I have inserted a menubar at the top like usual for programs. I want to give the ALT key (together with arrow keys) some logic in another context within the stage. But everytime I press ALT and arrows I unintentionally navigate through the menus of the menubar, too. I want to avoid that or better completely disable this mnemonic behavior. Setting the mnemonicParsing properties of all menus to false failed. I also tried this approach without success: menubar.addEventFilter(KeyEvent

问题 In my stage I have inserted a menubar at the top like usual for programs. I want to give the ALT key (together with arrow keys) some logic in another context within the stage. But everytime I press ALT and arrows I unintentionally navigate through the menus of the menubar, too. I want to avoid that or better completely disable this mnemonic behavior. Setting the mnemonicParsing properties of all menus to false failed. I also tried this approach without success: menubar.addEventFilter(KeyEvent

问题 In my stage I have inserted a menubar at the top like usual for programs. I want to give the ALT key (together with arrow keys) some logic in another context within the stage. But everytime I press ALT and arrows I unintentionally navigate through the menus of the menubar, too. I want to avoid that or better completely disable this mnemonic behavior. Setting the mnemonicParsing properties of all menus to false failed. I also tried this approach without success: menubar.addEventFilter(KeyEvent

问题 I have a borderless window and created the chrome but I need to disable the 'Alt+Space' shortcut. Any thoughts? 回答1: I'm not very good with WPF, but after some messing around, this seems to be on the right track. Just throw it in your Window code-behind: protected override void OnKeyDown(KeyEventArgs e) { if (Keyboard.Modifiers == ModifierKeys.Alt && e.SystemKey == Key.Space) { e.Handled = true; } else { base.OnKeyDown(e); } } 来源： https://stackoverflow.com/questions/2277021/wpf-how-do-i

问题 In my WPF app, when a ContextMenu is opening, I want to tweak its menu items depending on whether or not the Alt key is pressed. I've got the logic working. XAML: <my:Control ContextMenuOpening="MyContextMenu_Opening" /> Code: private void MyContextMenu_Opening(object sender, RoutedEventArgs args) { bool isAltDown = Keyboard.IsKeyDown(Key.LeftAlt); /* tweak menu items here */ } My problem is that when the Alt key is pressed, the context menu opens and then immediately closes (I can see in the

问题 Using PF 5.1, JSF 2.2.7 on Glassfish 4.1. I have this simple example with a selectOneMenu : <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://xmlns.jcp.org/jsf/html" xmlns:p="http://primefaces.org/ui" xmlns:ui="http://xmlns.jcp.org/jsf/facelets" xmlns:f="http://xmlns.jcp.org/jsf/core"> <h:head> <title>Test</title> </h:head> <h:body> <h:form> <p:selectOneMenu value="#{testBean.text}"> <p:ajax listener="#{testBean.test()}" update=

问题 Is there any way to auto-select a jmenu within my jmenubar when the user's pressing the "ALT" key ? (Like windows softwares) The problem is that the default behavior of my jframe, when the "ALT" key is pressed, is to show up a menu containing the following actions : restore, move, size, reduce, ... What I want my java application to do, is to select my jmenu first item when "alt" is pressed. (Like it would do with a mnemonic : "alt + f") 回答1: Add the action to the ActionMap and InputMap of