menu

问题 In a game project I was working on, I was seriously slowed down -- to the point of giving up -- by how there don't seem to be any libraries that can simplify the process of displaying a menu in text mode (i.e., 80x25 textbox, command.com/cmd.exe's native interface). I need something that can give a list of choices, ideally including multiple pages, and including values to be entered to choose one of these; prompt the user; gently chide the user (perhaps ringing a bell and redrawing the

问题 In a game project I was working on, I was seriously slowed down -- to the point of giving up -- by how there don't seem to be any libraries that can simplify the process of displaying a menu in text mode (i.e., 80x25 textbox, command.com/cmd.exe's native interface). I need something that can give a list of choices, ideally including multiple pages, and including values to be entered to choose one of these; prompt the user; gently chide the user (perhaps ringing a bell and redrawing the

问题 I've currently got your basic, run-of-the-mill menu tree as follows: <ul id="nav"> <li> <a href="#">home</a> <div class="controls">Some controls go here</div> <ul> <li> <a href="#">item 1</a> <div class="controls">Some controls go here</div> </li> <li> <a href="#">item 2</a> <div class="controls">Some controls go here</div> </li> </ul> </li> </ul> The divs with the "controls" class are hidden to start with. What I want to happen is that when you hover over an li, the controls for that

问题 I have a menu item with an icon (imagine for example a clock with a single lancet), I would like to make its icon rotate indefinitely. How could I manage this effect? Thank you. 回答1: Add a file res/layout/iv_refresh.xml (replace ic_launcher with your custom icon): <?xml version="1.0" encoding="utf-8"?> <ImageView xmlns:android="http://schemas.android.com/apk/res/android" style="@android:style/Widget.ActionButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android

问题 I've tried my best and cannot figure out what happened here. It worked fine in Delphi 4. After upgrading to Delphi 2009, I don't know if this is the way it is supposed to work, or if it's a problem: This is what my program's menu looks like in Design Mode under Delphi 2009: Notice that every word in the Main Menu and the File submenu have one letter underlined. It is supposed to be like this. This underlined letter is called the Accelerator Key and is standard in Windows applications so that

问题 I've tried my best and cannot figure out what happened here. It worked fine in Delphi 4. After upgrading to Delphi 2009, I don't know if this is the way it is supposed to work, or if it's a problem: This is what my program's menu looks like in Design Mode under Delphi 2009: Notice that every word in the Main Menu and the File submenu have one letter underlined. It is supposed to be like this. This underlined letter is called the Accelerator Key and is standard in Windows applications so that

问题 I'm looking for a way to determine if/when a <select> element's menu is open. I don't need to force it to open or close, just figure out if it's open or closed at a given time. I can listen to events for focus/blur, mouseup/mousedown, etc., but I don't think I can reliably figure out the state of the menu from those events. For example, mousedown followed by mouseup could mean the user clicked and dragged to a selection and released (in which case the menu is now closed) or clicked and

问题 I'm building an Android app and I want to copy the text value of an EditText widget. It's possible for the user to press Menu+A then Menu+C to copy the value, but how would I do this programmatically? 回答1: Use ClipboardManager#setPrimaryClip method: import android.content.ClipboardManager; // ... ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE); ClipData clip = ClipData.newPlainText("label", "Text to copy"); clipboard.setPrimaryClip(clip); ClipboardManager

问题 I am trying to add a variable inside wp_nav_menu, I am not sure how to do it, please help me! Here is a snippet of the code: wp_nav_menu(array( 'menu' => 'Main Menu', 'theme_location' => 'Main Menu', 'container' => null, 'container_class' => '', 'menu_id' => 'header-menu', 'menu_class' => '', 'before' => '<span class="text1">', 'after' => '</span><span class="text2"><a href="">' . the_title($post->ID) . '</a></span>', )); PLEASE HELP ME! 回答1: Have a look at this tutorial. It's quite likely to

问题 I am doing a project where I will have lots of information on a single row of a table. So to not lose space, I'm trying to find a way to put a centralized row with buttons, just below the row selected in the table. just like this: $('#mytable tr').hover(function() { $(this).addClass('hover'); }, function() { $(this).removeClass('hover'); }); #mytable tr:hover { background-color:lightblue; } <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <table id=