after adding the field name bg, what is the syntax for the next part
"...containing the name of an image tiddler"?
On Thursday, February 15, 2024 at 2:07:49 PM UTC-8 Eric Shulman wrote:
> Try this:
> Create a new tiddler (e.g., "SetPageBackground"), tagged with `
> $:/tags/Stylesheet`, containing:
> ```
> <$let curr={{$:/HistoryList!!current-tiddler}}>
> body.tc-body {
> background-image:url(<$macrocall $name="datauri" title={{{ [<curr>get[bg]]
> }}} $output="text/plain"/>);
> background-size:{{{ [<curr>get[bgsize]] }}};
> }
> </$let>
> ```
> Then, in any tiddler, added a field named "bg" containing the name of an
> image tiddler,
> and optionally, a field named "bgsize" containing desired CSS
> `background-size` attributes (e.g., "cover", "auto auto", "100% auto",
> etc.). When that tiddler is navigated to (by clicking its link in the
> sidebar or from another tiddler), the specfied "bg" image (and bgsize
> attributes) will be applied to the `body.tc-body` background.
>
> See https://developer.mozilla.org/en-US/docs/Web/CSS/background-size for
> valid "bgsize" values.
>
> Note for GoogleGroups: do not include the single or tripled "backticks"
> when entering the tag or tiddler body text. Those are only entered here to
> provide formatting for this response when displayed in
> https://talk.tiddlywiki.org/
>
> enjoy,
> -e
> On Thursday, February 15, 2024 at 1:37:58 PM UTC-8 pbr wrote:
>
>> Hi Scott,
>>
>> For the typical end user browsing experience, I think "whichever tiddler
>> is opened most recently" would work fine.
>>
>> I can imagine situations where a single-tiddler story would be
>> preferable, but my hope is that it wouldn't be required.
>>
>> I'll check out talk.tiddlywiki.org and if this doesn't get traction here
>> in the google group I'll follow up over there.
>>
>> Thank you!
>> -Paul
>>
>>
>> On Thu, Feb 15, 2024, 1:50 PM Scott Sauyet <sc...@sauyet.com> wrote:
>>
>>> (Note that most of the discussion for TW is being held at
>>> https://talk.tiddlywiki.org/. You might get more response there.)
>>>
>>> One question: Are you using a story view that opens just one tiddler at
>>> a time? If not, what's your expected behavior when there are multiple
>>> tiddlers open with `background` images?
>>>
>>> On Wednesday, February 14, 2024 at 12:57:18 PM UTC-5 pbr wrote:
>>>
>>>> Greetings Tiddly Wickers,
>>>>
>>>> I want to implement something in TW and I'm not at all sure how to do
>>>> it.
>>>>
>>>> The goal is, when a tiddler is added to the story, if it has a field
>>>> "background" with the name of an image tiddler, the page background would
>>>> get set to that image. Possibly another fieldwork (backgroundoptions?)
>>>> could specify span, cover, scroll, and such.
>>>>
>>>> I had originally thought it could be done when a tiddler becomes the
>>>> current tiddler, but Jeremy mentioned TW doesn't have a notion of the
>>>> "current tiddler' in the sense of the tiddler that is currently being
>>>> viewed. He mentioned the core Dynannotate plugin, but I'm hopeful to avoid
>>>> that level of complexity.
>>>>
>>>> The specific trigger isn't important to me, as long as when the end
>>>> user clicks around and opens tiddlers, the background can be changed on a
>>>> per-tiddler basis.
>>>>
>>>> What do you think?
>>>>
>>>> Thanks!
>>>> -Paul
>>>>
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