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https://github.com/awesomeWM/awesome
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49 lines
2.3 KiB
C
49 lines
2.3 KiB
C
/* See LICENSE file for copyright and license details.
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*
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* Julien's dynamic window manager is designed like any other X client as well.
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* It is driven through handling X events. In contrast to other X clients, a
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* window manager selects for SubstructureRedirectMask on the root window, to
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* receive events about window (dis-)appearance. Only one X connection at a
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* time is allowed to select for this event mask.
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*
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* Calls to fetch an X event from the event queue are blocking. Due reading
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* status text from standard input, a select()-driven main loop has been
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* implemented which selects for reads on the X connection and STDIN_FILENO to
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* handle all data smoothly. The event handlers of jdwm are organized in an
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* array which is accessed whenever a new event has been fetched. This allows
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* event dispatching in O(1) time.
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*
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* Each child of the root window is called a client, except windows which have
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* set the override_redirect flag. Clients are organized in a global
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* doubly-linked client list, the focus history is remembered through a global
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* stack list. Each client contains an array of Bools of the same size as the
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* global tags array to indicate the tags of a client. For each client jdwm
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* creates a small title window, which is resized whenever the (_NET_)WM_NAME
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* properties are updated or the client is moved/resized.
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*
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* Keys and tagging rules are organized as arrays and defined in the config.h
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* file. These arrays are kept static in event.o and tag.o respectively,
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* because no other part of jdwm needs access to them. The current layout is
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* represented by the lt pointer.
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*
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* To understand everything else, start reading main.c:main().
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*/
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#ifndef JDWM_JDWM_H
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#define JDWM_JDWM_H
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#include "config.h"
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enum
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{ CurNormal, CurResize, CurMove, CurLast }; /* cursor */
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enum
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{ NetSupported, NetWMName, NetLast }; /* EWMH atoms */
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enum
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{ WMProtocols, WMDelete, WMName, WMState, WMLast }; /* default atoms */
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Bool gettextprop(Display *, Window, Atom, char *, unsigned int); /* return text property, UTF-8 compliant */
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void updatebarpos(Display *, int); /* updates the bar position */
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void uicb_quit(Display *, jdwm_config *, const char *); /* quit jdwm nicely */
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int xerror(Display *, XErrorEvent *); /* jdwm's X error handler */
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#endif
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