Updated.
```
\define code(tx)
<style>
table.mycodeblock {
border: none;
margin: 0px;
vertical-align: middle;
display: inline-table;
}
table.mycodeblock pre {
margin: 0px;
}
table.mycodeblock td {
border: none;
padding: 0.1em;
position: relative;
}
table.mycodeblock button {
position: absolute;
left: -30px;
top: 12px;
}
table.mycodeblock button svg.tc-image-button {
height: 2em;
width: 2em;
fill: none;
}
table.mycodeblock:hover button svg.tc-image-button {
fill: <<color tiddler-controls-foreground>>;
animation: 0.30s cubic-bezier(.35, 0, .35, 1) 2 alternate;
animation-name: breathe,blink;
}
table.mycodeblock button:hover svg.tc-image-button {
fill: <<color orange>>;
}
@keyframes blink {
from { opacity: 1; }
to { opacity: .35; }
}
@keyframes breathe {
from { transform: scale(1); }
to { transform: scale(1.5); }
}
</style>
<$wikify name="tx_copy" text={{{
[<__tx__>trim[]]+[addprefix[<p>]]+[addsuffix[</p>]] }}}>
<$set name="tx_show" value={{{
[<tx_copy>]+[addprefix[<pre>]]+[addprefix<charcode 13
10>]+[addsuffix[</pre>]]+[addsuffix<charcode 13 10>] }}}>
<table class="mycodeblock">
<tr>
<td>
<<tx_show>>
</td>
<td>
<$button class="tc-btn-invisible"
message="tm-copy-to-clipboard" param=<<tx_copy>>
tooltip={{$:/language/Buttons/CopyToClipboard/Hint}}>{{$:/core/images/copy-clipboard}}
</$button>
</td>
</tr>
</table>
</$set>
</$wikify>
\end
```
2023年2月27日月曜日 19:00:01 UTC+9 yasai ya:
> Sorry, it wasn't fixed at all, but finally I fixed the problem.
>
> param=<<__tx__>>
> ↓
> param={{{ [<__tx__>trim[]] }}}
>
>
>
> Full code
> ---
>
>
> \define code(tx)
>
> <style>
> table.mycodeblock {
> border: none;
> margin: 7px 0 11px;
> }
> table.mycodeblock pre {
> margin: 0;
> }
> table.mycodeblock td {
> border: none;
> padding: 0;
> position: relative;
> }
> table.mycodeblock button {
> position: absolute;
> left: -30px;
> top: 2px;
> }
> table.mycodeblock button svg.tc-image-button {
> height: 2em;
> width: 2em;
> fill: none;
> }
> table.mycodeblock:hover button svg.tc-image-button {
> fill: <<color tiddler-controls-foreground>>;
> animation: 0.35s cubic-bezier(.35, 0, .35, 1) 2 alternate;
> animation-name: breathe,blink;
> }
> table.mycodeblock button:hover svg.tc-image-button {
> fill: <<color orange>>;
> }
> @keyframes blink {
> from { opacity: 1; }
> to { opacity: .35; }
> }
> @keyframes breathe {
> from { transform: scale(1); }
> to { transform: scale(1.5); }
> }
> </style>
> <table class="mycodeblock"><tr><td>
>
>
> ```$tx$
> ```
>
> </td><td><$button class="tc-btn-invisible" message="tm-copy-to-clipboard"
> param={{{ [<__tx__>trim[]] }}}
> tooltip={{$:/language/Buttons/CopyToClipboard/Hint}}>{{$:/core/images/copy-clipboard}}</$button></td></tr></table>
> \end
> 2023年2月24日金曜日 13:47:50 UTC+9 yasai ya:
>
>> Thank you!
>> Your post was very helpful.
>>
>> But it looked like the CSS wouldn't apply without the macro tiddler was
>> visible.
>>
>> So I modified it like this.
>>
>> ```
>> \define code(tx)
>>
>> <style>
>> table.mycodeblock {
>> border: none;
>> margin: 7px 0 11px;
>> }
>> table.mycodeblock pre {
>> margin: 0;
>> }
>> table.mycodeblock td {
>> border: none;
>> padding: 0;
>> position: relative;
>> }
>> table.mycodeblock button {
>> position: absolute;
>> left: -30px;
>> top: 2px;
>> }
>> table.mycodeblock button svg.tc-image-button {
>> height: 2em;
>> width: 2em;
>> fill: none;
>> }
>> table.mycodeblock:hover button svg.tc-image-button {
>> fill: <<color tiddler-controls-foreground>>;
>> animation: 0.35s cubic-bezier(.35, 0, .35, 1) 2 alternate;
>> animation-name: breathe,blink;
>> }
>> table.mycodeblock button:hover svg.tc-image-button {
>> fill: <<color orange>>;
>> }
>> @keyframes blink {
>> from { opacity: 1; }
>> to { opacity: .35; }
>> }
>> @keyframes breathe {
>> from { transform: scale(1); }
>> to { transform: scale(1.5); }
>> }
>> </style>
>> <table class="mycodeblock"><tr><td>
>>
>> ```$tx$
>> ```
>> </td><td><$button class="tc-btn-invisible" message="tm-copy-to-clipboard"
>> param=<<__tx__>>
>> tooltip={{$:/language/Buttons/CopyToClipboard/Hint}}>{{$:/core/images/copy-clipboard}}</$button></td></tr></table>
>> \end
>> ```
>>
>> I'm newbie to HTML, so if there are any problems with this approach, I'd
>> appreciate it if you could let me know.
>> 2018年5月4日金曜日 3:39:32 UTC+9 Rustem:
>>
>>> I managed to do it with just macros and CSS. One thing I could not avoid
>>> is copying line breaks before and after the code. Hope there will be a
>>> plugin someday that will overcome that, as well as do away with the table
>>> wrapper. Here is a self-contained demo tiddler.
>>>
>>> \define code(tx)
>>> <table class="mycodeblock"><tr><td>
>>>
>>> ```$tx$
>>> ```
>>> </td><td><$button class="tc-btn-invisible"
>>> message="tm-copy-to-clipboard" param=<<__tx__>> tooltip={{$:/language/
>>> Buttons/CopyToClipboard/Hint}}>{{$:/core/images/copy-clipboard}}</
>>> $button></td></tr></table>
>>> \end
>>>
>>> <style>
>>> table.mycodeblock {
>>> border: none;
>>> margin: 7px 0 11px;
>>> }
>>> table.mycodeblock pre {
>>> margin: 0;
>>> }
>>> table.mycodeblock td {
>>> border: none;
>>> padding: 0;
>>> position: relative;
>>> }
>>> table.mycodeblock button {
>>> position: absolute;
>>> left: -30px;
>>> top: 2px;
>>> }
>>> table.mycodeblock button svg.tc-image-button {
>>> height: 2em;
>>> width: 2em;
>>> fill: none;
>>> }
>>> table.mycodeblock:hover button svg.tc-image-button {
>>> fill: <<color tiddler-controls-foreground>>;
>>> animation: 0.35s cubic-bezier(.35, 0, .35, 1) 2 alternate;
>>> animation-name: breathe,blink;
>>> }
>>> table.mycodeblock button:hover svg.tc-image-button {
>>> fill: <<color orange>>;
>>> }
>>>
>>> @keyframes blink {
>>> from { opacity: 1; }
>>> to { opacity: .35; }
>>> }
>>> @keyframes breathe {
>>> from { transform: scale(1); }
>>> to { transform: scale(1.5); }
>>> }
>>>
>>> </style>
>>>
>>>
>>> in your tiddlers just write :
>>>
>>> <<code """
>>> code here
>>> more code
>>> """>>
>>>
>>>
>>>
>>> On Saturday, April 28, 2018 at 5:17:04 PM UTC-7, Rustem wrote:
>>>>
>>>> That works, thanks. Would be great though, to have the button appear
>>>> inside the block, on hover.
>>>>
>>>> On Saturday, April 28, 2018 at 2:31:13 AM UTC-7, BurningTreeC wrote:
>>>>>
>>>>> hi @Rustem
>>>>>
>>>>> you could just create a macro in a tiddler say $:/_macros tagged with
>>>>> $:/tags/Macro with the content:
>>>>>
>>>>> \define code(text)
>>>>> <<copy-to-clipboard """$text$""">>
>>>>> ```
>>>>> $text$
>>>>> ```
>>>>> \end
>>>>>
>>>>> in your tiddlers just write:
>>>>>
>>>>> <<code """
>>>>>
>>>>> code here
>>>>>
>>>>> more code
>>>>>
>>>>> """>>
>>>>>
>>>>
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