Slightly updated the doc.

1 files changed, 73 insertions, 53 deletions

diff --git a/doc/refman.tex b/doc/refman.tex
index 7947079..6bcbbb0 100644
--- a/doc/refman.tex
+++ b/doc/refman.tex
@@ -36,7 +36,7 @@
     citecolor=webbrightgreen,
     pdftitle={Zinc, an advanced scriptable Canvas.},
     pdfauthor={Patrick Lecoanet, Christophe Mertz, Centre d'Étude de la Navigation Aérienne},
-    pdfsubject={The pre-3.3 (3.2.96) Reference Manual.},
+    pdfsubject={The pre-3.3 (3.2.97) Reference Manual.},
     pdfkeywords={tk tcl perl x11 canvas opengl script gui TkZinc},
     pagebackref,
     pdfpagemode=None,
@@ -779,25 +779,23 @@ actual source of the default color. Its default value is
 
 \option{trackmanagedhistorysize}{trackManagedHistorySize}{TrackManagedHistorySize}
 \begin{blockindent}
-  This option accepts only positive integers. It specifies the size of the past
-  position list that should be maintained by the track items. See also the
-  \optref{trackmanagehistory} option and the \attributeref{track}{visiblehistorysize} track
-  attribute. The default value is {\tt 6}.
+  This option accepts only positive integers. It specifies the number of positions
+  collected in the history list by the track items. When this many positions have
+  been collected, the oldest is dropped to make room for a new one on a first-in
+  first-out basis. See also the \optref{trackvisibehistorysize} option and the
+  \attributeref{track}{historyvisible} track attribute. The default value is {\tt 6}.
 \end{blockindent}
 
 
-\option{trackmanagehistory}{trackManageHistory}{TrackManageHistory}
+\option{trackvisiblehistorysize}{trackVisibleHistorySize}{TrackVisibleHistorySize}
 \begin{blockindent}
-  This option accepts any form valid for a boolean. It specifies if the track items
-  should maintain a list of their past positions to be displayed as trailing
-  speckles. If this option is turned off and then back on, the history list is erased
-  and the collection is resumed at the next available position. The number of
-  position collected in the history list is specified by the option
-  \optref{trackmanagedhistorysize}. When this many positions are collected, the
-  oldest is dropped to make room for the new one on a first in first out basis. The
-  number of past positions actually displayed if specified for each track by the
-  \attributeref{track}{visiblehistorysize} attribute. The default is to enable the history
-  collection.
+  This option accepts only positive integers. It specifies the number of
+  past positions to display for tracks. It is a widget wide control. Users
+  of previous releases used the {\tt -visiblehistorysize} track attribute
+  for the same effect. The number of past positions displayed can not exceed
+  the accumulated positions controlled by the option \optref{trackmanagedhistorysize}.
+  The track \attributeref{track}{historyvisible} attribute controls whether
+  a track should display its history. The default value is {\tt 6}.
 \end{blockindent}
 
 
@@ -1670,8 +1668,11 @@ reference) and all list parameters are given as array references.
     item with the tag is considered), the search starts with the item
     below {\tt start} instead of the first item in the display
     order. If {\tt startItem} does not name a valid item, it is ignored.
-    If {\tt recursive} is specified it controls if the search should proceed
-    down the item hierarchy or not.
+    If {\tt recursive} is false or not specified, the search is limited to
+    the starting group. If set to true or ``override'', the search proceed
+    from the starting group down the hierarchy rooted at this group.
+    ``override'' forces the search to explore atomic groups and report
+    the most specific item instead of the group itself.
 
   \item{\tt\large
         pathname {\bf addtag} tag enclosed xo yo xc yc ?inGroup? ?recursive?\\ 
@@ -1680,10 +1681,13 @@ reference) and all list parameters are given as array references.
     Selects all the items completely enclosed in the rectangle whose
     origin is at {\tt xo - yo} and corner at {\tt xc - yc}. {\tt xc}
     must be no greater than {\tt xo} and {\tt yo} must be no greater
-    than {\tt yc}. All coordinates must be integers. inGroup specifies
-    a group to start with instead of the root group and recursive tells
-    if the search should descend in the item tree or not. recursive is true
-    by default.
+    than {\tt yc}. All coordinates must be integers. {\tt inGroup} specifies
+    a group to start with instead of the root group.
+    If {\tt recursive} is false or not specified, the search is limited to
+    the starting group. If set to true or ``override'', the search proceed
+    from the starting group down the hierarchy rooted at this group.
+    ``override'' forces the search to explore atomic groups and report
+    the most specific item instead of the group itself.
 
     It may be necessary to update the TkZinc internal geometry with a call
     to {\tt update} if the current state is not stable (i.e before calling
@@ -1697,10 +1701,13 @@ reference) and all list parameters are given as array references.
     Selects all the items that overlaps or are enclosed in the rectangle
     whose origin is at {\tt xo - yo} and corner at {\tt xc - yc}. {\tt xc}
     must be no greater than {\tt xo} and {\tt yo} must be no greater than
-    {\tt yc}. All coordinates must be integers. inGroup specifies
-    a group to start with instead of the root group and recursive tells
-    if the search should descend in the item tree or not. recursive is true
-    by default.
+    {\tt yc}. All coordinates must be integers. {\tt inGroup} specifies
+    a group to start with instead of the root group.
+    If {\tt recursive} is false or not specified, the search is limited to
+    the starting group. If set to true or ``override'', the search proceed
+    from the starting group down the hierarchy rooted at this group.
+    ``override'' forces the search to explore atomic groups and report
+    the most specific item instead of the group itself.
 
     See also the {\tt enclosed} variant above for a discussion on updating the geometry.    
 
@@ -1739,15 +1746,20 @@ reference) and all list parameters are given as array references.
 \end{blockindent}
 
 
-\zinccmd{bbox}{tagOrId ?tagOrId ...?}
+\zinccmd{bbox}{tagOrId ?fieldIndex?}
 
-{\tt\large (\$xo, \$yo, \$xc, \$yc) = \$zinc->{\bf bbox}(tagOrId, ?tagOrId, ...?);}
+{\tt\large (\$xo, \$yo, \$xc, \$yc) = \$zinc->{\bf bbox}(tagOrId, ?fieldIndex?);}
 
 \begin{blockindent}
   Returns a list of 4 numbers describing the \emph{window coordinates} of the origin
   and corner of a rectangle bounding all the items named by the {\tt tagOrId}
-  arguments. If no items are named by the {\tt tagOrId} or if the matching items
-  have an empty bounding box, an empty string is returned.
+  argument. If no items are named by {\tt tagOrId} or if the matching items
+  have an empty bounding box, an empty string is returned. The bounding box of
+  a label field can be queried by specifying an optional {\tt fieldIndex}.
+  If {\tt fieldIndex} is ``label'' the bounding box of the label itself is returned.
+  These two forms of the command apply only to one item, if a tag is used the
+  first matching item is used, if the item does not support fields an empty
+  string is returned.
 \end{blockindent}
 
 
@@ -2440,31 +2452,34 @@ false.
 \end{blockindent}
 
 
-\zinccmd{rotate}{tagOrId angle ?centerX centerY?}
+\zinccmd{rotate}{tagOrId angle ?degree? ?centerX centerY?}
 
 {\tt\large \$zinc->{\bf rotate}(tagOrId, angle);}\\
 {\tt\large \$zinc->{\bf rotate}(tagOrId, angle, centerX, centerY);}
 
 \begin{blockindent}
   Add a rotation to the items or the transform described by {\tt tagOrId}. If {\tt
-  tagOrId} describes a named transform then this transform is used to do the operation. If
-  {\tt tagOrId} describes more than one item then all the items are affected by the
-  operation. If {\tt tagOrId} describes neither a named transform nor an item, an error is
-  raised. The angle is given in radian. The optional parameters describe the center of
-  rotation, which defaults to the origin.
+  tagOrId} describes a named transform then this transform is used to do the operation.
+  If {\tt tagOrId} describes more than one item then all the items are affected by the
+  operation. If {\tt tagOrId} describes neither a named transform nor an item, an error
+  is raised. The angle is given in radian if {\tt degree} is omitted or false, if it is
+  specified as true, the angle is in degrees. The last two optional parameters describe
+  the center of rotation, which defaults to the origin.
 \end{blockindent}
 
 
-\zinccmd{scale}{tagOrIdOrTName xFactor yFactor}
+\zinccmd{scale}{tagOrIdOrTName xFactor yFactor ?centerX centerY?}
 
 {\tt\large \$zinc->{\bf scale}(tagOrIdOrTName, xFactor, yFactor);}
+{\tt\large \$zinc->{\bf scale}(tagOrIdOrTName, xFactor, yFactor, centerX, centerY);}
 
 \begin{blockindent}
   Add a scale factor to the items or the transform described by {\tt tagOrId}. If {\tt
-  tagOrId} describes a named transform then this transform is used to do the operation. If
-  {\tt tagOrId} describes more than one item then all the items are affected by the
-  operation. If {\tt tagOrId} describes neither a named transform nor an item, an error is
-  raised. A separate factor is specified for X and Y.
+  tagOrId} describes a named transform then this transform is used to do the operation.
+  If {\tt tagOrId} describes more than one item then all the items are affected by the
+  operation. If {\tt tagOrId} describes neither a named transform nor an item, an error
+  is raised. A separate factor is specified for X and Y. The optional parameters
+  describe the center of scaling, which defaults to the origin.
 \end{blockindent}
 
 
@@ -3033,8 +3048,9 @@ value is {\tt ""}.}
 \attribute{track}{visible}{boolean}{Specifies if the item is displayed. The default value
 is {\tt true}.}
 
-\attribute{track}{visiblehistorysize}{unsignedint}{The number of past positions that should be
-displayed. The default value is {\tt 6}.}
+\attribute{track}{historyvisible}{boolean}{Specifies whether the item should display
+its history according to the options \optref{trackvisiblehistorysize} and
+\optref{trackmanagedhistorysize}. The default value is {\tt true}.}
 
 
 \section{WayPoint items}
@@ -3262,11 +3278,18 @@ case, they must get the focus for keyboards events with the command \cmdref{focu
 TkZinc options (see chapter \conceptref{Widget options}{options} can be used for
 configuring the text input (for example : \optref{insertbackground},
 \optref{insertofftime} \optref{insertontime}, \optref{insertwidth}).
-A Perl module, called Tk::Zinc::Text (see the section \conceptref{Tk::Zinc::Text}{zinctext}) is provided for easing text input in text items
+
+A Tcl module, zincText is available, it provides simple bindings for interactive
+text input. For enabling interactive text editing on an item, the item should
+be sensitive and should have the tag ``text''.
+
+A Perl module, called Tk::Zinc::Text (see the section
+\conceptref{Tk::Zinc::Text}{zinctext}) is provided for easing text input in text items
 (it can also be used for text input in labelled items such as \objectref{track},
 \objectref{waypoint} or \objectref{tabular}).
 
 
+
 Applicable attributes for \ident{text} are:
 
 \attribute{text}{alignment}{alignment}{Specifies the horizontal alignment of the lines in
@@ -3284,10 +3307,10 @@ the widget option \optref{forecolor}.}
 the parent group should be composed with the alpha of this item. The default value is {\tt true}.}
 
 \attribute{text}{composerotation}{boolean}{Specifies if the current rotation should be
-composed with the local transform. The default value is {\tt true}.}
+composed with the local transform. The default value is {\tt false}.}
 
 \attribute{text}{composescale}{boolean}{Specifies if the current scale should be composed
-with the local transform. The default value is {\tt true}.}
+with the local transform. The default value is {\tt false}.}
 
 \attribute{text}{connecteditem}{item}{Specifies the item relative to which this item is
 placed. Connected item should be in the same group. The default value is {\tt ""}.}
@@ -3356,17 +3379,14 @@ defines the alpha transparency of the image when \optref{render} is set to true.
 The default value is the current value of the widget option \optref{forecolor}.}
 
 \attribute{icon}{composealpha}{boolean}{Specifies if the alpha value inherited from
-the parent group should be composed with the alpha of this item. The default value is {\tt true}.}
+the parent group should be composed with the alpha of this item. The default value is
+{\tt true}.}
 
 \attribute{icon}{composerotation}{boolean}{Specifies if the current rotation should be
-composed with the local transform. The default value is {\tt false}. If this attribute
-is set to {\tt true} without openGL rendering, it will be automatically set back to
-{\tt false}.}
+composed with the local transform. The default value is {\tt false}.
 
 \attribute{icon}{composescale}{boolean}{Specifies if the current scale should be composed
-with the local transform. The default value is {\tt false}. If this attribute
-is set to {\tt true} without openGL rendering, it will be automatically set back to
-{\tt false}.}
+with the local transform. The default value is {\tt false}.
 
 \attribute{icon}{connecteditem}{item}{Specifies the item relative to which this item is
 placed. Connected item should be in the same group. The default value is {\tt ""}.}