It works with <$wikify> widget. Thanks everyone!
On Tuesday, July 25, 2017 at 1:20:52 AM UTC-7, Eric Shulman wrote:
>
> On Monday, July 24, 2017 at 6:57:39 PM UTC-7, Rustem wrote:
>>
>> I have these macros defined
>>
> ...
>
>> It works if I specify the color directly
>> <$vars _c=red><<cn>></$vars>
>>
>> But how do I specify the color using a macro? This doesn't work:
>> <$vars _c=<<color tiddler-background>>><<cn>></$vars>
>>
>>
> The problem with using the <<color>> macro as a parameter value in the
> <$vars> widget is that the macro doesn't return a color value directly.
> Instead, it returns transclusion widgets that, if subsequently rendered,
> results in a color value. Here's the core definitions (from
> $:/core/macros/CSS):
>
> \define colour(name)
> <$transclude tiddler={{$:/palette}} index="$name$"><$transclude
> tiddler="$:/palettes/Vanilla" index="$name$"/></$transclude>
> \end
>
> \define color(name)
> <<colour $name$>>
> \end
>
> To retrieve the actual color *value*, you can use the <$wikify> widget,
> which "captures" the rendered output from the macro and stores that in a
> variable, like this:
>
> <$wikify name="_c" text=<<colour tiddler-background>>><<cn>></$wikify>
>
> Note: in this example, "tiddler-background" produces "invisible" text,
> since the foreground text color is the same as the background tiddler
> color. I assume that was your intention.
>
> Let me know how it goes.
>
> enjoy,
> -e
> Eric Shulman
> TiddlyTools.com: "Small Tools for Big Ideas!" (tm)
> InsideTiddlyWiki: The Missing Manuals
>
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