Source Browser ?

1
%D \module
2
%D   [       file=page-com, % moved from page-imp
3
%D        version=1998.01.15,
4
%D          title=\CONTEXT\ Page Macros,
5
%D       subtitle=Page Comments,
6
%D         author=Hans Hagen,
7
%D           date=\currentdate,
8
%D      copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
9
%C
10
%C This module is part of the \CONTEXT\ macro||package and is
11
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
12
%C details.
13
14
%D This will become runtime loaded code.
15
16
\writestatus
{
loading
}
{
ConTeXt
 
Page
 
Macros
 
/
 
Page
 
Comments
}
17
18
\unprotect
19
20
%D \macros
21
%D   {setuppagecomment,startpagecomment}
22
%D
23
%D This command is not yet documented. Usage:
24
%D
25
%D \starttyping
26
%D \setuppagecomment[state=start,location=right]
27
%D
28
%D \startpagecomment
29
%D \input knuth
30
%D \stoppagecomment
31
%D \stoptyping
32
33
\installcorenamespace
{
pagecomment
}
34
\installcorenamespace
{
pagecommentlocations
}
35
\installcorenamespace
{
pagecommentstates
}
36
37
\newdimen
\d_page_comments_offset
38
\newdimen
\d_page_comments_page_width
39
\newdimen
\d_page_comments_page_height
40
\newdimen
\d_page_comments_width
41
\newdimen
\d_page_comments_height
42
\newdimen
\d_page_comments_distance
43
44
\newconditional
\c_page_comment_enabled
45
46
\let
\p_page_commands_location
\v!none
47
\let
\p_page_commands_state
   
\v!stop
48
49
\installsetuponlycommandhandler
 
\??pagecomment
 
{
pagecomment
}
50
51
\appendtoks
52    
\edef
\p_page_commands_location
{
\directpagecommentparameter
\c!location
}
%
53    
\edef
\p_page_commands_state
   
{
\directpagecommentparameter
\c!state
}
%
54    
\expandnamespacemacro
\??pagecommentstates
\p_page_commands_state
\v!none
55
\to
 
\everysetuppagecomment
56
57
% \ifdefined\scrn_canvas_synchronize_simple
58
59    
\appendtoks
60        
\ifx
\p_page_commands_state
\v!start
61            
\scrn_canvas_synchronize_simple
62        
\else
63            
\scrn_canvas_synchronize_complex
64        
\fi
65    
\to
 
\everyshipout
66
67
% \fi
68
69
\setvalue
{
\??pagecommentstates
\v!start
}
%
70  
{
\d_page_comments_offset
  
\directpagecommentparameter
\c!offset
  
\relax
71   
\d_page_comments_distance
\directpagecommentparameter
\c!distance
\relax
72   
\d_page_comments_width
   
\directpagecommentparameter
\c!width
   
\relax
73   
\d_page_comments_height
  
\directpagecommentparameter
\c!height
  
\relax
74   
\expandnamespacemacro
\??pagecommentlocations
\p_page_commands_location
\v!none
75   
\definepapersize
[
\v!pagecomment
]
[
\c!height
=
\d_page_comments_page_height
,
\c!width
=
\d_page_comments_page_width
]
%
   
\setuppapersize
[
\papersize
]
[
\v!pagecomment
]
%
77   
\setupbackgrounds
[
\v!paper
]
[
\c!background
=
\v!pagecomment
]
}
 
% maybe append if already set
78
79
\setvalue
{
\??pagecommentstates
\v!stop
}
%
80  
{
\setupbackgrounds
[
\v!paper
]
[
\c!background
=
]
}
81
82
\setvalue
{
\??pagecommentstates
\v!none
}
%
83  
{
}
84
85
\setvalue
{
\??pagecommentlocations
\v!bottom
}
%
86  
{
\setuplayout
[
\c!location
=
]
%
   
\setuppapersize
[
\c!top
=
\vskip
\d_page_comments_offset
,
\c!bottom
=
\vss
,
\c!left
=
\hskip
\d_page_comments_offset
,
\c!right
=
]
%
88   
\d_page_comments_page_height
\dimexpr
\paperheight
+
2
\d_page_comments_offset
+
\d_page_comments_distance
+
\d_page_comments_height
\relax
89   
\d_page_comments_page_width
 
\dimexpr
\paperwidth
 
+
2
\d_page_comments_offset
\relax
90   
\defineoverlay
[
\v!pagecomment
]
[
\page_comments_top_bottom
]
}
91
92
\setvalue
{
\??pagecommentlocations
\v!top
}
%
93  
{
\setuplayout
[
\c!location
=
]
%
   
\setuppapersize
[
\c!top
=
\vss
,
\c!bottom
=
\vskip
\d_page_comments_offset
,
\c!left
=
\hskip
\d_page_comments_offset
,
\c!right
=
]
%
95   
\d_page_comments_page_height
\dimexpr
\paperheight
+
2
\d_page_comments_offset
+
\d_page_comments_distance
+
\d_page_comments_height
\relax
96   
\d_page_comments_page_width
 
\dimexpr
\paperwidth
 
+
2
\d_page_comments_offset
\relax
97   
\defineoverlay
[
\v!pagecomment
]
[
\page_comments_top_bottom
]
}
98
99
\setvalue
{
\??pagecommentlocations
\v!left
}
%
100  
{
\setuplayout
[
\c!location
=
]
%
   
\setuppapersize
[
\c!top
=
\vskip
\d_page_comments_offset
,
\c!bottom
=
,
\c!left
=
\hss
,
\c!right
=
\hskip
\d_page_comments_offset
]
%
102   
\d_page_comments_page_height
\dimexpr
\paperheight
+
2
\d_page_comments_offset
\relax
103   
\d_page_comments_page_width
 
\dimexpr
\paperwidth
 
+
2
\d_page_comments_offset
+
\d_page_comments_distance
+
\d_page_comments_width
\relax
104   
\defineoverlay
[
\v!pagecomment
]
[
\page_comments_left_right
]
}
105
106
\setvalue
{
\??pagecommentlocations
\v!right
}
%
107  
{
\setuplayout
[
\c!location
=
]
%
   
\setuppapersize
[
\c!top
=
\vskip
\d_page_comments_offset
,
\c!bottom
=
,
\c!left
=
\hskip
\d_page_comments_offset
,
\c!right
 
=
\hss
]
%
109   
\d_page_comments_page_height
\dimexpr
\paperheight
+
2
\d_page_comments_offset
\relax
110   
\d_page_comments_page_width
 
\dimexpr
\paperwidth
 
+
2
\d_page_comments_offset
+
\d_page_comments_distance
+
\d_page_comments_width
\relax
111   
\defineoverlay
[
\v!pagecomment
]
[
\page_comments_left_right
]
}
112
113
\setvalue
{
\??pagecommentlocations
\v!none
}
%
114  
{
}
% \setuppapersize[\c!bottom=,\c!top=,\c!left=,\c!right=]}
115
116
\unexpanded
\def
\page_comments_top_bottom
117  
{
\vpack
 
to
 
\printpaperheight
118     
{
%\forgetall
119      
\hsize
\printpaperwidth
\relax
120      
\ifx
\p_page_commands_location
\v!bottom
121        
\vskip
\dimexpr
\paperheight
+
\d_page_comments_distance
+
\d_page_comments_offset
\relax
122      
\else
123        
\vskip
\d_page_comments_offset
124        
\vss
125      
\fi
126      
\hskip
\d_page_comments_offset
127      
\vbox
 
to
 
\d_page_comments_height
128        
{
%\forgetall
129         
\hsize
\paperwidth
130         
\ifconditional
\c_page_comment_enabled
131           
\getbuffer
[
\v!pagecomment
]
%
132           
\global
\setfalse
\c_page_comment_enabled
133         
\fi
}
%
134      
\hfill
135      
\ifx
\p_page_commands_location
\v!bottom
136        
\vss
137        
\vskip
\d_page_comments_offset
138      
\else
139        
\vskip
\dimexpr
\paperheight
+
\d_page_comments_distance
+
\d_page_comments_offset
\relax
140      
\fi
}
}
141
142
\unexpanded
\def
\page_comments_left_right
143  
{
\hpack
 
to
 
\printpaperwidth
144     
{
\ifx
\p_page_commands_location
\v!right
145        
\hskip
\dimexpr
\paperwidth
+
\d_page_comments_distance
+
\d_page_comments_offset
\relax
146      
\else
147        
\hskip
\d_page_comments_offset
148        
\hss
149      
\fi
150      
\vbox
 
to
 
\printpaperheight
151        
{
%\forgetall
152         
\vskip
\d_page_comments_offset
153         
\hsize
\d_page_comments_width
154         
\ifconditional
\c_page_comment_enabled
155           
\getbuffer
[
\v!pagecomment
]
%
156           
\global
\setfalse
\c_page_comment_enabled
157         
\fi
158         
\vss
}
%
159      
\ifx
\p_page_commands_location
\v!right
160        
\hss
161        
\hskip
\d_page_comments_offset
162      
\else
163        
\hskip
\dimexpr
\paperwidth
+
\d_page_comments_distance
+
\d_page_comments_offset
\relax
164      
\fi
}
}
165
166
\setvalue
{
\e!start
\v!pagecomment
}
%
167  
{
\global
\settrue
\c_page_comment_enabled
168   
\grabbufferdatadirect
\v!pagecomment
{
\e!start
\v!pagecomment
}
{
\e!stop
\v!pagecomment
}
}
169
170
\setuppagecomment
171  
[
\c!state
=
,
 
% \v!stop would invoke background calculation
172   
\c!location
=
\v!bottom
,
173   
\c!offset
=
.
5
cm
,
174   
\c!distance
=
.
5
cm
,
175   
\c!height
=
5
cm
,
176   
\c!width
=
1
0
cm
]
177
178
\protect
 
\endinput
179