docs-rst: Use better colors for note/warning/attention boxes

Instead of painting the box with gray, let's use a colored
box. IMHO, that makes easier to warn users about some issue
pointed by the Sphinx. It also matches to what we do already
with the HTML output.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/conf.py b/Documentation/conf.py
index aaa3f70..2a02a81 100644 (file)
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -277,11 +277,12 @@ latex_elements = {
         % Allow generate some pages in landscape
         \\usepackage{lscape}
 
-        % Put notes in gray color and let them be inside a table
-
-        \\definecolor{MyGray}{rgb}{0.80,0.80,0.80}
-
-        \\makeatletter\\newenvironment{graybox}{%
+        % Put notes in color and let them be inside a table
+       \\definecolor{NoteColor}{RGB}{204,255,255}
+       \\definecolor{WarningColor}{RGB}{255,204,204}
+       \\definecolor{AttentionColor}{RGB}{255,255,204}
+       \\definecolor{OtherColor}{RGB}{204,204,204}
+        \\makeatletter\\newenvironment{coloredbox}[1]{%
           \\newlength{\\py@noticelength}
           \\setlength{\\fboxrule}{1pt}
           \\setlength{\\fboxsep}{7pt}
@@ -289,20 +290,33 @@ latex_elements = {
           \\addtolength{\\py@noticelength}{-2\\fboxsep}
           \\addtolength{\\py@noticelength}{-2\\fboxrule}
            \\begin{lrbox}{\\@tempboxa}\\begin{minipage}{\\py@noticelength}}{\\end{minipage}\\end{lrbox}%
-           \\colorbox{MyGray}{\\usebox{\\@tempboxa}}
+          \\ifthenelse%
+             {\\equal{\\py@noticetype}{note}}%
+             {\\colorbox{NoteColor}{\\usebox{\\@tempboxa}}}%
+             {%
+                \\ifthenelse%
+                {\\equal{\\py@noticetype}{warning}}%
+                {\\colorbox{WarningColor}{\\usebox{\\@tempboxa}}}%
+                {%
+                   \\ifthenelse%
+                   {\\equal{\\py@noticetype}{attention}}%
+                   {\\colorbox{AttentionColor}{\\usebox{\\@tempboxa}}}%
+                   {\\colorbox{OtherColor}{\\usebox{\\@tempboxa}}}%
+                }%
+             }%
         }\\makeatother
 
         \\makeatletter
-        \\renewenvironment{notice}[2]{
-          \\begin{graybox}
-          \\bf\\it
+        \\renewenvironment{notice}[2]{%
           \\def\\py@noticetype{#1}
+          \\begin{coloredbox}{#1}
+          \\bf\\it
           \\par\\strong{#2}
           \\csname py@noticestart@#1\\endcsname
         }
        {
           \\csname py@noticeend@\\py@noticetype\\endcsname
-          \\end{graybox}
+          \\end{coloredbox}
         }
        \\makeatother