My fork of https://dwm.suckless.org/
git clone https://git.inz.fi/dwm/
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commit e041ff70b0e4438e741405d994e13f91435ed321
parent 2d7bb8d7c974c1ae5430fa1561c850f0ea4623d3
Author: Anselm R. Garbe <garbeam@gmail.com>
Date:   Sat, 15 Sep 2007 22:33:46 +0200

backporting my intro-comment of old dwm.h
Mdwm.c | 31++++++++++++++++++++++++++++++-
1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/dwm.c b/dwm.c @@ -1,4 +1,33 @@ -/* See LICENSE file for copyright and license details. */ +/* See LICENSE file for copyright and license details. + * + * dynamic window manager is designed like any other X client as well. It is + * driven through handling X events. In contrast to other X clients, a window + * manager selects for SubstructureRedirectMask on the root window, to receive + * events about window (dis-)appearance. Only one X connection at a time is + * allowed to select for this event mask. + * + * Calls to fetch an X event from the event queue are blocking. Due reading + * status text from standard input, a select()-driven main loop has been + * implemented which selects for reads on the X connection and STDIN_FILENO to + * handle all data smoothly. The event handlers of dwm are organized in an + * array which is accessed whenever a new event has been fetched. This allows + * event dispatching in O(1) time. + * + * Each child of the root window is called a client, except windows which have + * set the override_redirect flag. Clients are organized in a global + * doubly-linked client list, the focus history is remembered through a global + * stack list. Each client contains an array of Bools of the same size as the + * global tags array to indicate the tags of a client. For each client dwm + * creates a small title window, which is resized whenever the (_NET_)WM_NAME + * properties are updated or the client is moved/resized. + * + * Keys and tagging rules are organized as arrays and defined in the config.h + * file. These arrays are kept static in event.o and tag.o respectively, + * because no other part of dwm needs access to them. The current layout is + * represented by the lt pointer. + * + * To understand everything else, start reading main(). + */ #include <errno.h> #include <locale.h> #include <regex.h>