Added themes and made struct names more generic.

README.md

@@ -1,9 +1,8 @@
-SpaceAPI-GTK
-============
+spacetray
+=========
 
-A panel Applet using GTK2 for showing the Status of a Hackerspace. Compatible with the SpaceAPI version 0.13.
+A panel Applet using GTK2 for showing the Status of a Hackerspace. Compatible with the SpaceAPI version >= 0.13.
 
-Original source: [https://github.com/ccchh/dooris-gtk](https://github.com/ccchh/dooris-gtk) (I moved to $HOME from $CCCHH... ;))
 
 Installation:
 -------------
@@ -55,7 +54,7 @@ Usage:
 
 Run spacetray with:
 
-    ./spacetray & 
+    ./spacetray &
 
 Or if in your $PATH:
 
@@ -66,3 +65,34 @@ Status Icon "Pesthoernchen" colors:
 - Red = Door closed
 - Yellow = Door open
 
+Themes:
+-------
+
+You can create your own icon theme by generating a C header file containing the icons as "static const GdkPixdata" data structure.
+
+This can be done using the following commands:
+
+gdk-pixbuf-csource --struct PATH_TO_OPEN_IMAGE > ./themes/THEME_NAME.h
+
+gdk-pixbuf-csource --struct PATH_TO_CLOSED_IMAGE >> ./themes/THEME_NAME.h
+
+Afterwards you need to rename the first generated struct to:
+
+icon_open_pixbuf
+
+The second must be renamed to:
+
+icon_closed_pixbuf
+
+in:
+
+./themes/THEME_NAME.h
+
+You can then use your custom icon theme when changing the line:
+
+#include "themes/lock.h"
+
+to:
+
+#include "themes/THEME_NAME.h"
+