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Updated description for CSS switch system.

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Yann Esposito (Yogsototh) 2019-08-25 00:38:50 +02:00
parent 44db4f1d8e
commit baa436460b
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1 changed files with 11 additions and 30 deletions
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src/posts/new-blog.org
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@ -150,19 +150,20 @@ an interactive theme selector without any javascript involved.
That theme switcher is really the limit I can concede to modern standards
because it is CSS only.
The trick is to provide one checkbox per theme at the beginning of the body
of the HTML.
Then hide those checkbox and have label for each check box.
The trick is to provide one top-level element per theme at the beginning of
the body of the HTML.
Then hide those elements (I chose inputs).
Finally provide a set of anchor links.
#+begin_src html
...
<body>
<input type="radio" id="light" name="theme"/>
<input type="radio" id="dark" name="theme"/>
<input id="light"/>
<input id="dark"/>
<div id="labels">
Change theme:
<label for="light">Light</label>
<label for="dark">Dark</label>
<a href="#light">Light</a>
<a href="#dark">Dark</a>
</div>
<div class="main">
ALL YOUR CONTENT HERE
@ -170,7 +171,6 @@ Then hide those checkbox and have label for each check box.
</body>
#+end_src
Then use the /sibling/ CSS selector =~=.
Then put all your content in a div of class =.main= for example.
Finally in the CSS you can write things like:
@ -184,36 +184,17 @@ Finally in the CSS you can write things like:
--light-color: #fff;
--dark-color: #000;
}
input#light:checked ~ .main {
input#light:target ~ .main {
background-color: var(--light-color);
color: var(--dark-color);
}
input#dark:checked ~ .main {
input#dark:target ~ .main {
background-color: var(--dark-color);
color: var(--light-color);
}
#+end_src
I also added a system to support theme using fragment in the URL.
#+begin_src css
input#light:target ~ .main,
input#light:checked ~ .main {
background-color: var(--light-color);
color: var(--dark-color);
}
input#dark:target ~ .main,
input#dark:checked ~ .main {
background-color: var(--dark-color);
color: var(--light-color);
}
#+end_src
Unfortunately, for now the fragment system take full priority other the
checkbox mechanism.
Regarding selecting the user preferred theme, there are plenty of tutorial
on the internet, you could also simply steal my CSS.
I previously used checkbox inputs but using URL fragment feels better.
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