On Wed, Nov 07, 2007 at 09:29:38PM +0200, Martin Vermeer wrote:
>
> Has anybody else noticed that the branches feature doesn't work inside
> math and inside graphics?
Not me ;-)
> It would be especially nice to have it in the
> "special" LaTeX strings inside XFig graphics. An in text phrases inside
> math, like
>
> / 0 if x > 0
> f(x) = |
> \ 1 if x <= 0
>
> where you may want to have "if" in a different language.
>
> The attached does precisely that. It adds raw LaTeX commands \b<branchname>
> that are then available to the user. When enabled, they just pass through
> their content, when disabled, they suppress it.
Nice.
>
> A demo is attached too. (You may have to tinker with the pathname of
> branch.fig to get it showing on your system)
>
> - Martin
>
> Index: InsetBranch.cpp
> ===================================================================
> --- InsetBranch.cpp (revision 21475)
> +++ InsetBranch.cpp (working copy)
> @@ -22,6 +22,7 @@
> #include "FuncRequest.h"
> #include "FuncStatus.h"
> #include "gettext.h"
> +#include "LaTeXFeatures.h"
> #include "Lexer.h"
> #include "OutputParams.h"
>
> @@ -212,8 +213,10 @@
> std::find_if(branchlist.begin(), end,
> BranchNamesEqual(params_.branch));
> if (it == end)
> - return false;
> - return it->getSelected();
> + selected_ = false;
> + else
> + selected_ = it->getSelected();
> + return selected_;
> }
>
>
> @@ -269,6 +272,12 @@
>
> void InsetBranch::validate(LaTeXFeatures & features) const
> {
> + string const name = to_utf8(params_.branch);
> + features.require(name);
> + if (selected_)
> + features.addPreambleSnippet("\\newcommand{\\b" + name +
> "}[1]{#1}");
> + else
> + features.addPreambleSnippet("\\newcommand{\\b" + name +
> "}[1]{}");
> InsetText::validate(features);
> }
Could you name the macros "\lyxbranch" + name or such?
Andre'
