diff options
Diffstat (limited to 'tex/context/base/page-mis.mkiv')
| -rw-r--r-- | tex/context/base/page-mis.mkiv | 134 |
1 files changed, 65 insertions, 69 deletions
diff --git a/tex/context/base/page-mis.mkiv b/tex/context/base/page-mis.mkiv index 387b5164c..808f42aa6 100644 --- a/tex/context/base/page-mis.mkiv +++ b/tex/context/base/page-mis.mkiv @@ -13,6 +13,8 @@ \writestatus{loading}{ConTeXt Page Macros / Misc Float Things} +\registerctxluafile{page-mis}{1.001} + \unprotect \newif\ifmarginblocks @@ -133,10 +135,23 @@ {\dostopattributes \egroup \@@mbafter} - -\newcount\nofpostponedblocks -\newif\ifinpostponing +\setupmarginblocks + [\c!state=\v!start, + \c!location=\v!inmargin, + \c!width=\rightmarginwidth, + \c!style=, + \c!color=, + \c!align=, + \c!left=, + \c!right=, + \c!top=, + \c!inbetween=\blank, + \c!bottom=\vfill, + \c!before=, + \c!after=] + +% postponing \newevery\everytopofpage\relax @@ -159,32 +174,56 @@ % % \starttext \dorecurse{4}{\input tufte \page} \stoptext -\newtoks \postponedpageblocks -\newcount \nofpostponedpageblocks - -% \ifinpostponing: handhaven, want gebruikt in stijlen ! ! ! ! ! - -\def\dodoflushpostponedblocks - {\bgroup % we need the font switch, else problems inside split verbatim - \setnormalcatcodes % postponing in verbatim - \restoreglobalbodyfont - \global\pagetotal\zeropoint - \global\inpostponingtrue - \the\postponedpageblocks - \dorecurse\nofpostponedblocks - {\getbuffer[pbuf-\recurselevel]}% - \doflushfloats % new but potential dangerous - \global\nofpostponedblocks\zerocount - \global\inpostponingfalse +%D There is no real need to use \LUA\ here but the bookkeeping +%D is somewhat easier and we also can erase buffers easier when +%D we keep a local cache, especially as we can flush per page. + +\newif \ifinpostponing % prevents nesting +\newcount\postponed_page_blocks_next_page % set at the lua end + +\unexpanded\setvalue{\e!start\v!postponing}% + {\bgroup + \obeylines + \doifnextoptionalelse{\egroup\postponed_page_block_start}{\egroup\postponed_page_block_start[0]}} + +\unexpanded\setvalue{\e!stop\v!postponing}% + {\ctxcommand{registerpostponedblock("\currentpostponedpage")}\relax} + +\def\postponed_page_block_start[#1]% + {\edef\currentpostponedpage{#1}% + \dostartbuffer[postponedblock][\e!start\v!postponing][\e!stop\v!postponing]} + +% officially we should flush again after a flush as there can be new future pages +% but that will be looked into when we run into it + +\unexpanded\def\postponed_page_block_flush + {\bgroup + \inpostponingtrue % for old times sake + \global\pagetotal\zeropoint % here? still needed? (was after flush pagefloats) + \the\everytopofpage\relax + %\flushrestfloats + \doflushpagefloats + \setnormalcatcodes % postponing in verbatim + \restoreglobalbodyfont % otherwise problems inside split verbatim + \ctxcommand{flushpostponedblocks()}% + \relax + \doflushfloats % new but potential dangerous \egroup} \def\doflushpostponedblocks - {\ifinpostponing \else - \ifcase\nofpostponedblocks \else \dodoflushpostponedblocks \fi - \ifcase\nofpostponedpageblocks \else \dodoflushpostponedblocks \fi - \fi} - -\def\doflushpostponedcontent + {\ifinpostponing + % probably a nested flush + \else\ifnum\postponed_page_blocks_next_page=\zerocount + \postponed_page_block_flush + %\doflushpostponedblocks + \else\ifnum\postponed_page_blocks_next_page>\realpageno + % not yet + \else + \postponed_page_block_flush + %\doflushpostponedblocks + \fi\fi\fi} + +\def\doflushpostponedcontent % called in page-one {\bgroup \setsystemmode\v!postponing \the\everytopofpage @@ -193,47 +232,4 @@ \doflushpostponedblocks \egroup} -\def\getpostponedblock#1#2% - {\doif{#1}\realfolio{\getbuffer[rbuf-#2]}} % no \ifnum, avoid \fi - -% beware, \dosingleempty conflicts with buffers (feeds back the \par) - -\setvalue{\e!start\v!postponing}% - {\bgroup - \obeylines - \doifnextoptionalelse{\egroup\nodostartpostponing}{\egroup\dodostartpostponing}} - -\def\nodostartpostponing[#1]% - {\global\advance\nofpostponedpageblocks\plusone % hm, never reset? - \bgroup % a little bit of misusing grouping - \doifinstring{+}{#1}\advance \realpageno#1\relax % ugly but efficient - \doglobal\appendetoks\noexpand\getpostponedblock - {\realfolio}{\number\nofpostponedpageblocks}\to\postponedpageblocks - \egroup - \showmessage\m!layouts3{\number\nofpostponedpageblocks}% - \dostartbuffer[rbuf-\number\nofpostponedpageblocks]% - [\e!start\v!postponing][\e!stop\v!postponing]} - -\def\dodostartpostponing - {\global\advance\nofpostponedblocks\plusone - \showmessage\m!layouts3{\number\nofpostponedblocks}% - \expanded{\dostartbuffer[pbuf-\number\nofpostponedblocks][\e!start\v!postponing][\e!stop\v!postponing]}} - -% Setups: - -\setupmarginblocks - [\c!state=\v!start, - \c!location=\v!inmargin, - \c!width=\rightmarginwidth, - \c!style=, - \c!color=, - \c!align=, - \c!left=, - \c!right=, - \c!top=, - \c!inbetween=\blank, - \c!bottom=\vfill, - \c!before=, - \c!after=] - \protect \endinput |