beta 2011.05.16 11:00

6 files changed, 44 insertions, 7 deletions

diff --git a/tex/context/base/java-imp-fld.mkiv b/tex/context/base/java-imp-fld.mkiv
index 9eb7d7ed5..a0909f594 100644
--- a/tex/context/base/java-imp-fld.mkiv
+++ b/tex/context/base/java-imp-fld.mkiv
@@ -419,6 +419,30 @@ function Pause_Walk_Field(FieldSet) {
     }
 }
 
+function Start_Pause_Walk_Field(FieldSet, Delay) {
+    var fieldset = Do_Get_Check_Walk_Field(FieldSet) ;
+    if (fieldset) {
+        if (fieldset.running) {
+            if (fieldset.paused) {
+                Do_Start_Auto_Walk_Field(FieldSet) ;
+                fieldset.paused = false ;
+            } else {
+                Do_Stop_Auto_Walk_Field(FieldSet) ;
+                fieldset.paused = true ;
+            }
+        } else {
+            fieldset.number = 0 ;
+            if (Delay) {
+                fieldset.delay = Delay ;
+            }
+            Reset_Fields(FieldSet) ;
+            Do_Start_Auto_Walk_Field(FieldSet) ;
+            fieldset.running = true ;
+            fieldset.paused = false ;
+        }
+    }
+}
+
 function Stop_Walk_Field(FieldSet) {
     var fieldset = Do_Get_Check_Walk_Field(FieldSet) ;
     if (fieldset) {
diff --git a/tex/context/base/scrn-but.mkvi b/tex/context/base/scrn-but.mkvi
index 338f3090b..e1dedd605 100644
--- a/tex/context/base/scrn-but.mkvi
+++ b/tex/context/base/scrn-but.mkvi
@@ -416,6 +416,8 @@
 \newdimen\scrn_menu_offset_left
 \newdimen\scrn_menu_offset_right
 
+\newconditional\scrn_menu_zerodimensions
+
 \def\scrn_menu_set_used
   {\doassigncheckedframeoffset\scrn_menu_offset_left  {\interactionmenuparameter\c!leftoffset  }%
    \doassigncheckedframeoffset\scrn_menu_offset_right {\interactionmenuparameter\c!rightoffset }%
@@ -435,8 +437,13 @@
    \scrn_menu_final_height\namedinteractionmenuparameter\askedinteractionmenulocation\c!maxheight}
 
 \def\scrn_menu_apply_final
-  {\wd\scrn_menu_box\scrn_menu_final_width
-   \ht\scrn_menu_box\scrn_menu_final_height
+  {\ifconditional\scrn_menu_zerodimensions
+     \wd\scrn_menu_box\zeropoint
+     \ht\scrn_menu_box\zeropoint
+   \else
+     \wd\scrn_menu_box\scrn_menu_final_width
+     \ht\scrn_menu_box\scrn_menu_final_height
+   \fi
    \dp\scrn_menu_box\zeropoint}
 
 \def\scrn_menu_apply_used
@@ -793,6 +800,7 @@
   {\hbox to \leftedgewidth \bgroup
      \hsize\leftedgewidth
     %\csname\??tk\v!leftedge\c!left\endcsname
+     \settrue\scrn_menu_zerodimensions
      \scrn_menu_insert\v!left
     %\csname\??tk\v!leftedge\c!right\endcsname
    \egroup
@@ -802,6 +810,7 @@
   {\hbox to \rightedgewidth \bgroup
      \hsize\rightedgewidth
     %\csname\??tk\v!rightedge\c!left\endcsname
+     \settrue\scrn_menu_zerodimensions
      \scrn_menu_insert\v!right
     %\csname\??tk\v!rightedge\c!right\endcsname
    \egroup
@@ -811,6 +820,7 @@
   {\vbox to \topheight \bgroup
      \vsize\topheight
     %\csname\??tk\v!top\c!before\endcsname
+     \settrue\scrn_menu_zerodimensions
      \scrn_menu_insert\v!top
     %\csname\??tk\v!top\c!after\endcsname
      \kern\zeropoint
@@ -821,6 +831,7 @@
   {\vbox to \bottomheight \bgroup
      \vsize\bottomheight
     %\csname\??tk\v!bottom\c!before\endcsname
+     \settrue\scrn_menu_zerodimensions
      \scrn_menu_insert\v!bottom
     %\csname\??tk\v!bottom\c!after\endcsname
      \kern\zeropoint
diff --git a/tex/context/base/spac-ver.lua b/tex/context/base/spac-ver.lua
index 842dfe64a..83ee6e492 100644
--- a/tex/context/base/spac-ver.lua
+++ b/tex/context/base/spac-ver.lua
@@ -80,6 +80,7 @@ local nodepool            = nodes.pool
 local new_penalty         = nodepool.penalty
 local new_kern            = nodepool.kern
 local new_rule            = nodepool.rule
+local new_gluespec        = nodepool.gluespec
 
 local nodecodes           = nodes.nodecodes
 local skipcodes           = nodes.skipcodes
@@ -914,7 +915,7 @@ local function collapser(head,where,what,trace,snap,a_snapmethod) -- maybe also
         elseif id ~= glue_code then
             flush("something else")
             current = current.next
-        elseif subtype == userskip_code then -- todo, other subtypes, like math
+        elseif subtype == userskip_code then
             local sc = has_attribute(current,a_skipcategory)      -- has no default, no unset (yet)
             local so = has_attribute(current,a_skiporder   ) or 1 -- has  1 default, no unset (yet)
             local sp = has_attribute(current,a_skippenalty )      -- has no default, no unset (yet)
@@ -931,7 +932,7 @@ local function collapser(head,where,what,trace,snap,a_snapmethod) -- maybe also
             elseif not sc then  -- if not sc then
                 if glue_data then
                     if trace then trace_done("flush",glue_data) end
-                    head, current = nodes.before(head,current,glue_data)
+                    head = insert_node_before(head,current,glue_data)
                     if trace then trace_natural("natural",current) end
                     current = current.next
                 else
@@ -944,8 +945,9 @@ local function collapser(head,where,what,trace,snap,a_snapmethod) -- maybe also
                             if cs.writable and ps.stretch_order == 0 and ps.shrink_order == 0 and cs.stretch_order == 0 and cs.shrink_order == 0 then
                                 local pw, pp, pm = ps.width, ps.stretch, ps.shrink
                                 local cw, cp, cm = cs.width, cs.stretch, cs.shrink
-                                ps = writable_spec(previous) -- no writable needed here
-                                ps.width, ps.stretch, ps.shrink = pw + cw, pp + cp, pm + cm
+--~                                 ps = writable_spec(previous) -- no writable needed here
+--~                                 ps.width, ps.stretch, ps.shrink = pw + cw, pp + cp, pm + cm
+previous.spec = new_gluespec(pw + cw, pp + cp, pm + cm) -- else topskip can disappear
                                 if trace then trace_natural("removed",current) end
                                 head, current = remove_node(head, current, true)
                             --  current = previous
diff --git a/tex/context/base/status-files.pdf b/tex/context/base/status-files.pdf
index f825d0ace..7509af18a 100644
--- a/tex/context/base/status-files.pdf
+++ b/tex/context/base/status-files.pdf
diff --git a/tex/context/base/status-lua.pdf b/tex/context/base/status-lua.pdf
index 06d6da7d0..a4ad5c8da 100644
--- a/tex/context/base/status-lua.pdf
+++ b/tex/context/base/status-lua.pdf
diff --git a/tex/context/base/task-ini.lua b/tex/context/base/task-ini.lua
index 435c85286..c1c22e8cc 100644
--- a/tex/context/base/task-ini.lua
+++ b/tex/context/base/task-ini.lua
@@ -73,7 +73,7 @@ appendaction("math",         "builders",    "builders.kernel.mlist_to_hlist")
 appendaction("finalizers",   "lists",       "nodes.handlers.graphicvadjust")                     -- todo
 appendaction("finalizers",   "fonts",       "builders.paragraphs.solutions.splitters.optimize")  -- experimental
 
--- rather new
+-- still experimental
 
 appendaction("mvlbuilders",  "normalizers", "nodes.handlers.migrate")                            --
 appendaction("mvlbuilders",  "normalizers", "builders.vspacing.pagehandler")                     -- last !