made introduction comment in dwm.h shorter

This commit is contained in:
Anselm R. Garbe 2006-09-12 09:46:19 +02:00
parent 1d7674bb22
commit cbfc69e310

35
dwm.h
View File

@ -6,19 +6,14 @@
* driven through handling X events. In contrast to other X clients, a window * driven through handling X events. In contrast to other X clients, a window
* manager like dwm selects for SubstructureRedirectMask on the root window, to * manager like dwm selects for SubstructureRedirectMask on the root window, to
* receive events about child window appearance and disappearance. Only one X * receive events about child window appearance and disappearance. Only one X
* connection at a time is allowed to select for this event mask by any X * connection at a time is allowed to select for this event mask.
* server, thus only one window manager instance can be executed at a time.
* Any attempt to select for SubstructureRedirectMask by any connection after
* another connection already selected for those events, will result in an
* error generated by the server. Such errors are reported through calling the
* current X error handler.
* *
* Calls to pop an X event from the event queue of the X connection are * Calls to fetch an X event from the event queue of the X connection are
* blocking. Due the fact, that dwm reads status text from standard input, a * blocking. Due the fact, that dwm reads status text from standard input, a
* select-driven main loop has been implemented which selects for reads on the * select-driven main loop has been implemented which selects for reads on the
* X connection and STDIN_FILENO to handle all data smoothly and without * X connection and STDIN_FILENO to handle all data smoothly and without
* busy-loop quirks.. The event handlers of dwm are organized in an array * busy-loop quirks. The event handlers of dwm are organized in an array which
* which is accessed whenever a new event has been popped. This allows event * is accessed whenever a new event has been fetched. This allows event
* dispatching in O(1) time. * dispatching in O(1) time.
* *
* Each child window of the root window is called a client in window manager * Each child window of the root window is called a client in window manager
@ -27,20 +22,20 @@
* history is remembered through a global stack list. Each client contains an * 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 * array of Bools of the same size as the global tags array to indicate the
* tags of a client. There are no other data structures to organize the clients * tags of a client. There are no other data structures to organize the clients
* in tag lists, because a single global list is most simple. All clients which * in tag lists. All clients which have at least one tag enabled of the current
* have at least one tag enabled of the current tags viewed, will be visible on * tags viewed, will be visible on the screen, all other clients are banned to
* the screen, all other clients are banned to the x-location 2 * screen width. * the x-location x + 2 * screen width. This avoids having additional layers
* This avoids having additional layers of workspace handling. * of workspace handling.
* *
* For each client dwm creates a small title window which is resized whenever * For each client dwm creates a small title window which is resized whenever
* the WM_NAME or _NET_WM_NAME properties are updated. * the WM_NAME or _NET_WM_NAME properties are updated or the client is 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 mode is
* represented by the arrange function pointer which wether points to dofloat
* or dotile.
* *
* Keys and tagging rules are organized as arrays as well and defined in the * To understand everything else, start with reading main.c:main().
* 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 mode is represented by the arrange function pointer which wether
* points to dofloat or dotile.
*/ */
#include "config.h" #include "config.h"