menu

问题 I need to have a menu that has items that size themselves based on how many there are. Say, there are three items. Each one would have about 33% width of the container. But if there were were ten, each would have 10%. Does anyone have any ideas/suggestions? Thanks! 回答1: Usually menu is built from unordered list and parent menu element have id="menu" In this case you'll need code like next: menuElt = document.getElementById('menu'); childElements = menuElt.getElementsByTagName("li"); var

问题 I want to use the new Menu with SwiftUI but unfortunately there is one issue which I can't solve. After selecting one value of the Menu the Menutitle looks like so: However I don't want the title to decrease it's opacity. How can I achieve this? Here is my code: struct ContentView: View { @State private var selectionVariable = 0 let sampleDict = [0: "Sample Title 1", 1: "Sample Title 2"] var body: some View { Menu { Picker(selection: $selectionVariable, label: Text("")) { ForEach(sampleDict

问题 I've read up on: https://github.com/callemall/material-ui/blob/master/src/styles/getMuiTheme.js and http://www.material-ui.com/#/customization/themes But can't seem to find the answer to what I'm looking for. I'm simply trying to change the color of the hovered item. I believe by looking at those docs I should just reference menuItem and provide a hoverColor , although that isn't working. Any thoughts? (don't mind the inline css overriding, just experimenting with different ways of doing

问题 I had a problem setting up some fragment menu items in the ActionBar and I found a way to solve it, but I don't understand why it worked. I wanted to change the visibility in a menu item right after I inflated it from a menu xml file in onCreateOptionsMenu method. The code seems to work fine, but there's no visible effect. I solved the problem inflating the menu in onCreateOptionsMenu method but changing the visibility of it in onPrepareOptionsMenu method. What I want to know is why changing

问题 I have an MFC app that uses CMenu for the main menu bar. I haven't been able to create submenus successfully. I can have the first level of File, Edit, View, etc and their sub menus, but I can't create a submenu off of one of those menus. For example, I would like to be able to go File->Recent Items-> list of items in submenu I can do this easily enough with the resource editor in VS, but this needs to be done dynamically. Am I using the right class in CMenu? Any suggestions on what to try? I

问题 So so far here's my code: import pygame as pg pg.init() clock = pg.time.Clock() # Generating screen w_scr = 640 h_scr = 480 size_scr = (w_scr, h_scr) screen = pg.display.set_mode(size_scr) # Define color COLOR_INACTIVE = (100, 80, 255) COLOR_ACTIVE = (100, 200, 255) COLOR_LIST_INACTIVE = (255, 100, 100) COLOR_LIST_ACTIVE = (255, 150, 150) class DropDown(): # Test List option_list = ["Calibration", "Test"] def __init__(self, color_menu, color_option, x, y, w, h): self.color_menu = color_menu

问题 (C#) I am working on a program that is similar to RedBox which will have customer and manager functions. I am just trying to get all the menu's working correctly before I begin implementing more functions, but I am encountering an error that I can not seem to understand. My issue seems to be in the CustomerMenu() method and in the MainMenu() method. I have added all that I have so you can get the full picture. Any help is appreciated as I am still somewhat new so any tips are appreciated,

问题 I'm packaging my own Eclipse product. I'm including a third party plugin, PluginA, whose menu contribution is only displayed when the active perspective is Debug. I'd like this menu to be displayed also in a perspective I've created, MyPerspective, from my own plugin, PluginB. I can't modify PluginA, but I can see the plugin.xml manifest, shown below, which shows how it configures it's menus. Its using the menu's visibleWhen attribute and checking the activePerspective is equal to

问题 I need to display sub-sub-menu on hover of my sub-menu. So far I did code to display menu -> sub-menu on menu click, but to proceed I want a functionality to display sub-sub-menu on hover of my sub-menu. Can somebody help me to achieve the same? var ddmenuitem = 0; function jsddm_open() { jsddm_close(); ddmenuitem = $(this).find('ul.submenu').css('display', 'block'); // $(this).find('div.subsubmenu').css('display','none'); } function jsddm_close() { if (ddmenuitem) ddmenuitem.css('display',

问题 I wanted to make a simple pop-up message that shows the name of the options represented as icons when the mouse enters them and hide when it leavs. This icons are images within buttons, and I have been able to show the message when entering the button using a Menu widget, but when the mouse leaves the button it dose NOT unpost, unless there's a klick. I tryed deleting the cascade, but the same happens, the difference is that he menu at that moment has no text. I tryed to .destroy() the menu