Improve doxygen settings, use subdir

Makefile

@@ -10,14 +10,14 @@ check: test
 	./test
 
 doc:
-	doxygen
+	cd doxygen && doxygen
 
 doc-pdf: doc
-	$(MAKE) -C latex pdf
+	$(MAKE) -C doxygen/latex pdf
 
 clean:
 	$(MAKE) -C src clean
-	rm -rf drow-engine test latex/* html/* vgcore* core
+	rm -rf drow-engine test doxygen/latex/* doxygen/html/* vgcore* core
 
 install:
 	$(MAKE) -C install

doxygen/Doxyfile

@@ -668,7 +668,7 @@ WARN_LOGFILE           =
 # directories like "/usr/src/myproject". Separate the files or directories
 # with spaces.
 
-INPUT                  = src/ src/test/
+INPUT                  = ../src/ ../src/test/
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is
@@ -929,7 +929,7 @@ HTML_STYLESHEET        =
 # robust against future updates. Doxygen will copy the style sheet file to
 # the output directory.
 
-HTML_EXTRA_STYLESHEET  =
+HTML_EXTRA_STYLESHEET  = mydoxygen.css
 
 # The HTML_EXTRA_FILES tag can be used to specify one or more extra images or
 # other source files which should be copied to the HTML output directory. Note
@@ -938,7 +938,7 @@ HTML_EXTRA_STYLESHEET  =
 # files. In the HTML_STYLESHEET file, use the file name only. Also note that
 # the files will be copied as-is; there are no commands or markers available.
 
-HTML_EXTRA_FILES       =
+HTML_EXTRA_FILES       = tabs.css
 
 # The HTML_COLORSTYLE_HUE tag controls the color of the HTML output.
 # Doxygen will adjust the colors in the style sheet and background images
@@ -1676,7 +1676,7 @@ HIDE_UNDOC_RELATIONS   = YES
 # toolkit from AT&T and Lucent Bell Labs. The other options in this section
 # have no effect if this option is set to NO (the default)
 
-HAVE_DOT               = NO
+HAVE_DOT               = YES
 
 # The DOT_NUM_THREADS specifies the number of dot invocations doxygen is
 # allowed to run in parallel. When set to 0 (the default) doxygen will
@@ -1757,7 +1757,7 @@ INCLUDE_GRAPH          = YES
 # documented header file showing the documented files that directly or
 # indirectly include this file.
 
-INCLUDED_BY_GRAPH      = YES
+INCLUDED_BY_GRAPH      = NO
 
 # If the CALL_GRAPH and HAVE_DOT options are set to YES then
 # doxygen will generate a call dependency graph for every global function

doxygen/tabs.css

@@ -0,0 +1,94 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Custom Doxygen CSS - doxygen.css
+ *
+ * The standard CSS for doxygen modded by
+ * Alexandre Dantas <alex.dantas92@gmail.com>
+ *
+ * Webpage: https://github.com/alexdantas/Custom-Doxygen-CSS/wiki
+ *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ *                             Common Attributes                             *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+.tabs, .tabs2, .tabs3
+{
+    background-color: #ccccff;
+    width:            100%;
+    z-index:          101;
+    font-size:        13px;
+}
+
+.tabs2
+{
+    font-size: 10px;
+}
+
+.tabs2 li
+{
+    margin-top: 8px;
+}
+
+.tabs3
+{
+    font-size: 9px;
+}
+
+.tabs3 li
+{
+    margin-top: 8px;
+}
+
+.tablist
+{
+    margin: 0;
+    padding: 0;
+    display: table;
+}
+
+.tablist li
+{
+    float: left;
+    display: table-cell;
+    line-height: 36px;
+    list-style: none;
+    margin-left: 10px;
+    margin-right: 10px;
+}
+
+.tablist a
+{
+    box-shadow: 0px 3px 5px #777;
+    display: block;
+    padding: 0 20px;
+    font-weight: bold;
+    background-repeat:no-repeat;
+    background-position:right;
+    color: #283A5D;
+    text-shadow: 0px 1px 1px rgba(255, 255, 255, 0.9);
+    text-decoration: none;
+    outline: none;
+    -moz-border-radius: 15px;
+    -webkit-border-radius: 15px;
+}
+
+.tabs3 .tablist a
+{
+    padding: 0 10px;
+}
+
+.tablist a:hover
+{
+    color: #fff;
+    text-shadow: 0px 1px 1px #777;
+    text-decoration: none;
+  background-color: #283A5D;
+}
+
+.tablist li.current a
+{
+    color: #fff;
+    background-color: #7365f8;
+    text-shadow: 0px 1px 1px rgba(0, 0, 0, 1.0);
+}