From 0c1ce131e7e7c857a25d5281d8715f5cf0c056b5 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Paul=20H=C3=A4nsch?= <paul@plutz.net>
Date: Wed, 13 Feb 2019 09:18:54 +0100
Subject: [PATCH] slide counter, footer, styling

---
 autoslide.css | 76 +++++++++++++++++++++++++++++++++++----------------
 autoslide.sh  | 20 ++++++++------
 example.short |  3 +-
 3 files changed, 66 insertions(+), 33 deletions(-)

diff --git a/autoslide.css b/autoslide.css
index 5a1b7d7..97c17b7 100644
--- a/autoslide.css
+++ b/autoslide.css
@@ -4,13 +4,22 @@
 }
 
 body {
-  padding: 2em 1em 4em 1em;
+  padding: 2em 1em 6em 1em;
   background-color: #555;
   text-align: center;
   overflow-x: hidden;
 }
 body * { text-align: left; }
 
+body:after {
+  position: fixed;
+  bottom: 0; left: 0;
+  width: 100%;
+  background-color: #EEE;
+  height: 30pt;
+  content: ' ';
+}
+
 a.previous, a.next ,a.toplevel {
   text-decoration: none;
 }
@@ -19,25 +28,44 @@ footer {
   position: fixed;
   bottom: 0; left: 0;
   width: 100%;
-  font-size: 14pt;
-  padding: .5em 4em .5em 5em;
+  font-size: 14pt; line-height: 14pt;
+  padding: .5em 4em .5em 12em;
   text-align: center;
-  background-color: #EEE;
+  #background-color: #EEE;
   color: #888;
   z-index: 3;
 }
+footer:before {
+  content: ' ';
+  position: absolute;
+  top: 0; left: 0;
+  bottom: 28pt;
+  width: 100%;
+  background-color: #EEE;
+  z-index: -1;
+}
 
-a.toplevel {
+body a.toplevel {
   position: fixed;
-  bottom: 0; left: 3em;
-  width: 1ex; overflow: hidden;
+  bottom: 0; left: 8em;
+  width: 2ex; overflow: hidden;
   font-size: 18pt;
   padding-bottom: .25em;
-  color: #888;
+  color: #EEE;
   z-index: 4;
 }
-a.toplevel:before {
-  content: '\2191'
+body a.toplevel:before {
+  color: #888;
+  content: '\2ba4'
+}
+
+body span.count {
+  position: fixed;
+  bottom: 0; left: 6.25em;
+  font-size: 18pt;
+  padding-bottom: .125em;
+  color: #888;
+  z-index: 4;
 }
 
 /* ==== Overview Screen ==== */
@@ -47,6 +75,7 @@ div.slide {
   display: inline-block;
   overflow: hidden;
   width: 20em; height: 15em;
+  margin-left: -20em;
   border: 1px solid black;
   font-size: 6pt;
 }
@@ -56,16 +85,13 @@ a.nextslide {
   display: inline-block;
   position: relative;
   vertical-align: top;
-  margin-left: 2em;
-  margin-right: -20em;
+  #margin-left: 2em;
   font-size: 6pt;
   width: 20em; line-height: 15em;
   color: rgba(0, 0, 0, 0);
   z-index: 1;
 }
-a.nextslide:nth-of-type(2) { margin-left: 0; }
 div.slide:nth-of-type(1) { margin-right: .5em; }
-div.slide:last-of-type { margin-right: 2.5em; }
 
 /* ==== Slide Appearance ==== */
 
@@ -77,11 +103,14 @@ div.slide {
 div.slide:after {
   position: absolute;
   bottom: 0; width: 100%;
-  height: 1.25em;
+  font-size: .75em;
+  line-height: 1.5em;
+  content: attr(count) " /";
+  padding-left: 4em;
+  margin-left: -1.25em;
+  margin-right: -1.25em;
   background-color: #EEE;
-  content: '';
-  margin-left: -1em;
-  margin-right: -1em;
+  color: #888;
 }
 
 h1 {
@@ -104,10 +133,11 @@ div.slide ul li, div.slide ol {
 div.slide:target {
   position: fixed;
   z-index: 2;
-  top: 0; left: 0;
-  width: 100%; height: 100%;
+  top: 0; bottom: 0; left: 0; right: 0;
+  width: auto; height: auto;
+  margin: 0;
+  border: none;
   font-size: 24pt;
-  background-color: white;
 }
 div.slide:target + a,
 div.slide:target + a + a {
@@ -127,9 +157,9 @@ div.slide:target + a + a {
   z-index: 3;
 }
 :target + a:before { left:  0; }
-:target + a:before { content: '<<'; }
+:target + a:before { content: '\22d8'; }
 :target + a + a:before { right: 0; }
-:target + a + a:before { content: '>>'; }
+:target + a + a:before { content: '\22d9'; }
 
 :target .uncover { color: #DDD; }
 :target .uncover:hover { color: #000; }
diff --git a/autoslide.sh b/autoslide.sh
index 8c9ca1e..ead295b 100755
--- a/autoslide.sh
+++ b/autoslide.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-prev='' next='' idoff=1
+prev='' next='' idoff=0
 
 "${0%/*}"/cgilite/html-sh.sed | {
   line="$(line)"
@@ -24,19 +24,19 @@ prev='' next='' idoff=1
     case $tag in
       *\<slide\ *id=\"?*\"*\>*)
         prev="$next"
-        next="${tag#*<slide }"
-        next="${next#*id=\"}"
-        next="${next%\"*}"
-        printf '%s<a class="nextslide" href="#%s">next</a><div class="slide" id="%s" %s' \
-          "${tag%<slide *}" "$next" "$next" "${tag#*<slide }"
+        next="${tag#*<slide }" next="${next#*id=\"}" next="${next%\"*}"
+        next="autoslide${idoff}"
+        idoff="$((idoff + 1))"
+        printf '%s<a class="nextslide" href="#%s">next</a><div class="slide" count="%i" id="%s" %s' \
+          "${tag%<slide *}" "$next" "$idoff" "$next" "${tag#*<slide }"
         tag=''
         ;;
       *\<slide\ *\>*|*\<slide\>*)
         prev="$next"
         next="autoslide${idoff}"
         idoff="$((idoff + 1))"
-        printf '%s<a class="nextslide" href="#%s">next</a><div class="slide" id="%s" %s' \
-          "${tag%<slide*}" "$next" "$next" "${tag#*<slide}"
+        printf '%s<a class="nextslide" href="#%s">next</a><div class="slide" count="%i" id="%s" %s' \
+          "${tag%<slide*}" "$next" "$idoff" "$next" "${tag#*<slide}"
         tag=''
         ;;
       *\</slide\>*)
@@ -52,6 +52,10 @@ prev='' next='' idoff=1
         printf '%s<a href="#" class="toplevel">overview</a>' "$tag"
         tag=''
         ;;
+      *\</body*\>*)
+        printf '<span class="count">%i</span>%s' "$idoff" "$tag"
+        tag=''
+        ;;
       *\<*\>*)
         printf %s "$tag"
         tag=''
diff --git a/example.short b/example.short
index fb21c0d..f93a1cc 100644
--- a/example.short
+++ b/example.short
@@ -4,8 +4,7 @@
   [title Demo]
   [link rel="stylesheet" type="text/css" href="autoslide.css"]
 ][body
-  [footer Paul Hänsch | VHS Chemnitz
-]
+  [footer Paul Hänsch | Linux-Grundkurs | VHS&nbsp;Chemnitz]
   [slide
     [h1 Folie A]
     [ul .uncover
-- 
2.39.2