Merge pull request #1706 from Airblader/feature-docs-5

[i3/i3] / docs / hacking-howto

diff --git a/docs/hacking-howto b/docs/hacking-howto
index 71919e3043435b959d639547239ef5b8f420e620..e6313f7d6837fd85da3059116fd73e962e9751fe 100644 (file)
--- a/docs/hacking-howto
+++ b/docs/hacking-howto
@@ -404,10 +404,14 @@ can reconfigure themselves).
 
 == _NET_WM_STATE
 
-Only the _NET_WM_STATE_FULLSCREEN atom is handled. It calls
-``toggle_fullscreen()'' for the specific client which just configures the
-client to use the whole screen on which it currently is. Also, it is set as
-fullscreen_client for the i3Screen.
+Only the _NET_WM_STATE_FULLSCREEN and _NET_WM_STATE_DEMANDS_ATTENTION atoms
+are handled.
+
+The former calls ``toggle_fullscreen()'' for the specific client which just
+configures the client to use the whole screen on which it currently is.
+Also, it is set as fullscreen_client for the i3Screen.
+
+The latter is used to set, read and display urgency hints.
 
 == WM_NAME
 
@@ -629,8 +633,8 @@ unmapped if it should not be visible anymore. +WM_STATE+ will be set to
 +x_draw_decoration+ draws window decorations. It is run for every leaf
 container (representing an actual X11 window) and for every non-leaf container
 which is in a stacked/tabbed container (because stacked/tabbed containers
-display a window decoration for split containers, which at the moment just says
-"another container").
+display a window decoration for split containers, which consists of a representation
+of the child container's names.
 
 Then, parameters are collected to be able to determine whether this decoration
 drawing is actually necessary or was already done. This saves a substantial