flexbox-basic-textarea-horiz-001.xhtml (3557B)
1 <?xml version="1.0" encoding="UTF-8"?> 2 <!-- 3 Any copyright is dedicated to the Public Domain. 4 http://creativecommons.org/publicdomain/zero/1.0/ 5 --> 6 <!-- 7 This test checks that textarea elements behave correctly as flex items. 8 --> 9 <html xmlns="http://www.w3.org/1999/xhtml"> 10 <head> 11 <title>CSS Test: Testing flexbox layout algorithm property on textarea flex items in a horizontal flex container</title> 12 <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"/> 13 <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#layout-algorithm"/> 14 <link rel="match" href="flexbox-basic-textarea-horiz-001-ref.xhtml"/> 15 <style> 16 div.flexbox { 17 width: 200px; 18 background: lightgreen; 19 display: flex; 20 justify-content: space-between; 21 margin-bottom: 5px; 22 line-height: 8px; 23 } 24 textarea { 25 min-width: 0; 26 width: 10px; 27 height: 20px; 28 background: white; 29 border-radius: 0; 30 border: 1px dotted green; 31 padding: 0; 32 margin: 0; 33 } 34 </style> 35 </head> 36 <body> 37 38 <!-- A) One flex item --> 39 <div class="flexbox"> 40 <textarea/> 41 </div> 42 43 <!-- B) Text and a textarea (ensure they aren't merged into one flex item) 44 --> 45 <div class="flexbox"> 46 some words <textarea/> 47 </div> 48 49 <!-- C) Two textarea elements, getting stretched by different ratios, 50 from 0. 51 52 Space-to-be-distributed = 200px - borders = 200 - (1 + 1) - (1 + 1) 53 = 196px 54 55 1st element gets 5/8 of space: 5/8 * 196px = 122.5px 56 1st element gets 3/8 of space: 3/8 * 196px = 73.5px 57 --> 58 <div class="flexbox"> 59 <textarea style="flex: 5"/> 60 <textarea style="flex: 3"/> 61 </div> 62 63 <!-- D) Two textarea elements, getting stretched by different ratios, from 64 different flex bases. 65 66 Space-to-be-distributed = 200px - (33 + 1 + 1) - (13 + 1 + 1) = 150px 67 1st element gets 2/5 of space: 33px + 2/5 * 150px = 93px 68 1st element gets 3/5 of space: 13px + 3/5 * 150px = 103px 69 --> 70 <div class="flexbox"> 71 <textarea style="width: 33px; flex: 2 auto"/> 72 <textarea style="width: 13px; flex: 3 auto"/> 73 </div> 74 75 <!-- E) Two flex items, getting shrunk by different amounts. 76 77 Space-to-be-distributed = 200px - (150 + 1 + 1) - (100 + 1 + 1) = -54px 78 First element scaled flex ratio = 4 * 150 = 600 79 Second element scaled flex ratio = 3 * 100 = 300 80 * So, total flexibility is 600 + 300 = 900 81 82 1st element gets 600/900 of space: 150 + 600/900 * -54 = 114px 83 2nd element gets 300/900 of space: 100 + 300/900 * -54 = 82px 84 --> 85 <div class="flexbox"> 86 <textarea style="width: 150px; flex: 1 4 auto"/> 87 <textarea style="width: 100px; flex: 1 3 auto"/> 88 </div> 89 90 <!-- F) Making sure we don't grow past max-width --> 91 <!-- Same as (D), except we've added a max-width on the second element. 92 --> 93 <div class="flexbox"> 94 <textarea style="width: 33px; flex: 2 auto"/> 95 <textarea 96 style="width: 13px; max-width: 90px; flex: 3 auto"/> 97 </div> 98 99 <!-- G) Making sure we grow at least as large as min-width --> 100 <!-- Same as (C), except we've added a min-width on the second element. 101 --> 102 <div class="flexbox"> 103 <textarea style="width: 33px; flex: 2 auto"/> 104 <textarea 105 style="width: 13px; min-width: 150px; flex: 3 auto"/> 106 </div> 107 108 </body> 109 </html>