Mercurial > aewl
annotate dwm.h @ 632:3afe7c74ceb9
added the java odyssee to CAVEATS section
| author | arg@mig29 |
|---|---|
| date | Wed, 13 Dec 2006 13:42:17 +0100 |
| parents | d6fbb669fef2 |
| children | 226ef912c093 |
| rev | line source |
|---|---|
|
532
651f2c868b31
code polishing, removed unnecessary newlines
Anselm R. Garbe <arg@10kloc.org>
parents:
530
diff
changeset
|
1 /* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com> |
| 0 | 2 * See LICENSE file for license details. |
|
457
e97ad13f04dc
added a general comment to dwm.h how dwm is basically organized
Anselm R. Garbe <arg@10kloc.org>
parents:
456
diff
changeset
|
3 * |
|
e97ad13f04dc
added a general comment to dwm.h how dwm is basically organized
Anselm R. Garbe <arg@10kloc.org>
parents:
456
diff
changeset
|
4 * dynamic window manager is designed like any other X client as well. It is |
|
e97ad13f04dc
added a general comment to dwm.h how dwm is basically organized
Anselm R. Garbe <arg@10kloc.org>
parents:
456
diff
changeset
|
5 * driven through handling X events. In contrast to other X clients, a window |
| 468 | 6 * manager selects for SubstructureRedirectMask on the root window, to receive |
| 7 * events about window (dis-)appearance. Only one X connection at a time is | |
| 8 * allowed to select for this event mask. | |
|
457
e97ad13f04dc
added a general comment to dwm.h how dwm is basically organized
Anselm R. Garbe <arg@10kloc.org>
parents:
456
diff
changeset
|
9 * |
| 468 | 10 * Calls to fetch an X event from the event queue are blocking. Due reading |
|
469
a2cc7adf9d4d
improved intro comment in dwm.h, updated config.mk
arg@mmvi
parents:
468
diff
changeset
|
11 * status text from standard input, a select()-driven main loop has been |
| 468 | 12 * implemented which selects for reads on the X connection and STDIN_FILENO to |
| 13 * handle all data smoothly. The event handlers of dwm are organized in an | |
| 14 * array which is accessed whenever a new event has been fetched. This allows | |
| 15 * event dispatching in O(1) time. | |
|
457
e97ad13f04dc
added a general comment to dwm.h how dwm is basically organized
Anselm R. Garbe <arg@10kloc.org>
parents:
456
diff
changeset
|
16 * |
|
460
ab4b08d49d24
some more simplifications of intro comment in dwm.h, this should suffice for comments in dwm
Anselm R. Garbe <arg@10kloc.org>
parents:
459
diff
changeset
|
17 * Each child of the root window is called a client, except windows which have |
|
ab4b08d49d24
some more simplifications of intro comment in dwm.h, this should suffice for comments in dwm
Anselm R. Garbe <arg@10kloc.org>
parents:
459
diff
changeset
|
18 * set the override_redirect flag. Clients are organized in a global |
|
ab4b08d49d24
some more simplifications of intro comment in dwm.h, this should suffice for comments in dwm
Anselm R. Garbe <arg@10kloc.org>
parents:
459
diff
changeset
|
19 * doubly-linked client list, the focus history is remembered through a global |
|
ab4b08d49d24
some more simplifications of intro comment in dwm.h, this should suffice for comments in dwm
Anselm R. Garbe <arg@10kloc.org>
parents:
459
diff
changeset
|
20 * stack list. Each client contains an array of Bools of the same size as the |
|
ab4b08d49d24
some more simplifications of intro comment in dwm.h, this should suffice for comments in dwm
Anselm R. Garbe <arg@10kloc.org>
parents:
459
diff
changeset
|
21 * global tags array to indicate the tags of a client. For each client dwm |
| 468 | 22 * creates a small title window, which is resized whenever the (_NET_)WM_NAME |
| 23 * properties are updated or the client is moved/resized. | |
|
457
e97ad13f04dc
added a general comment to dwm.h how dwm is basically organized
Anselm R. Garbe <arg@10kloc.org>
parents:
456
diff
changeset
|
24 * |
|
459
3c3f429dca99
made introduction comment in dwm.h shorter
Anselm R. Garbe <arg@10kloc.org>
parents:
457
diff
changeset
|
25 * Keys and tagging rules are organized as arrays and defined in the config.h |
|
3c3f429dca99
made introduction comment in dwm.h shorter
Anselm R. Garbe <arg@10kloc.org>
parents:
457
diff
changeset
|
26 * file. These arrays are kept static in event.o and tag.o respectively, |
|
3c3f429dca99
made introduction comment in dwm.h shorter
Anselm R. Garbe <arg@10kloc.org>
parents:
457
diff
changeset
|
27 * because no other part of dwm needs access to them. The current mode is |
|
469
a2cc7adf9d4d
improved intro comment in dwm.h, updated config.mk
arg@mmvi
parents:
468
diff
changeset
|
28 * represented by the arrange() function pointer, which wether points to |
|
a2cc7adf9d4d
improved intro comment in dwm.h, updated config.mk
arg@mmvi
parents:
468
diff
changeset
|
29 * dofloat() or dotile(). |
|
457
e97ad13f04dc
added a general comment to dwm.h how dwm is basically organized
Anselm R. Garbe <arg@10kloc.org>
parents:
456
diff
changeset
|
30 * |
| 468 | 31 * To understand everything else, start reading main.c:main(). |
| 0 | 32 */ |
| 33 | |
|
166
e0535db04dfe
removed the CONFIG variable from config.mk, renamed config.h into config.default.h, after first clone/extract one needs to copy config.default.h to config.h, that is easier than always heavy typing make CONFIG=blafasel
arg@10ksloc.org
parents:
164
diff
changeset
|
34 #include "config.h" |
| 32 | 35 #include <X11/Xlib.h> |
| 36 | |
| 143 | 37 /* mask shorthands, used in event.c and client.c */ |
|
150
a26b32ff8911
cleaned config.*h to prevent some confusion
arg@10ksloc.org
parents:
148
diff
changeset
|
38 #define BUTTONMASK (ButtonPressMask | ButtonReleaseMask) |
| 502 | 39 /* other stuff used in different places */ |
| 40 #define BORDERPX 1 | |
|
157
93012e947eae
renamed WM_PROTOCOL_DELWIN into PROTODELWIN
arg@10ksloc.org
parents:
150
diff
changeset
|
41 #define PROTODELWIN 1 |
| 143 | 42 |
| 452 | 43 enum { NetSupported, NetWMName, NetLast }; /* EWMH atoms */ |
| 44 enum { WMProtocols, WMDelete, WMLast }; /* default atoms */ | |
| 45 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */ | |
| 46 enum { ColFG, ColBG, ColLast }; /* color */ | |
| 47 | |
| 48 typedef enum { | |
| 49 TopLeft, TopRight, BotLeft, BotRight | |
| 50 } Corner; /* window corners */ | |
| 51 | |
|
333
827f8f6c9e97
separated setup stuff into main.c:setup() - this makes main() more readable
Anselm R. Garbe <arg@10kloc.org>
parents:
327
diff
changeset
|
52 typedef union { |
|
189
523df4a3c1c4
using execl now, argv changed, using cmd and const char defs directly in the KEYS struct
arg@10ksloc.org
parents:
178
diff
changeset
|
53 const char *cmd; |
|
49
466591c2f967
implemented tagging a client
Anselm R. Garbe <garbeam@wmii.de>
parents:
46
diff
changeset
|
54 int i; |
| 452 | 55 } Arg; /* argument type */ |
|
99
a19556fe83b5
applied Sanders resize patch, fixed lower bug
arg@10ksloc.org
parents:
95
diff
changeset
|
56 |
|
333
827f8f6c9e97
separated setup stuff into main.c:setup() - this makes main() more readable
Anselm R. Garbe <arg@10kloc.org>
parents:
327
diff
changeset
|
57 typedef struct { |
| 32 | 58 int ascent; |
| 59 int descent; | |
| 60 int height; | |
|
84
052fe7498930
ordered variables in structs and source files alphabetically
Anselm R. Garbe <garbeam@wmii.de>
parents:
80
diff
changeset
|
61 XFontSet set; |
|
052fe7498930
ordered variables in structs and source files alphabetically
Anselm R. Garbe <garbeam@wmii.de>
parents:
80
diff
changeset
|
62 XFontStruct *xfont; |
|
333
827f8f6c9e97
separated setup stuff into main.c:setup() - this makes main() more readable
Anselm R. Garbe <arg@10kloc.org>
parents:
327
diff
changeset
|
63 } Fnt; |
| 32 | 64 |
| 452 | 65 typedef struct { |
| 32 | 66 int x, y, w, h; |
|
353
8a06efe5b563
new color stuff/new rendering stuff
Anselm R. Garbe <arg@10kloc.org>
parents:
352
diff
changeset
|
67 unsigned long norm[ColLast]; |
|
8a06efe5b563
new color stuff/new rendering stuff
Anselm R. Garbe <arg@10kloc.org>
parents:
352
diff
changeset
|
68 unsigned long sel[ColLast]; |
|
8a06efe5b563
new color stuff/new rendering stuff
Anselm R. Garbe <arg@10kloc.org>
parents:
352
diff
changeset
|
69 unsigned long status[ColLast]; |
|
84
052fe7498930
ordered variables in structs and source files alphabetically
Anselm R. Garbe <garbeam@wmii.de>
parents:
80
diff
changeset
|
70 Drawable drawable; |
|
052fe7498930
ordered variables in structs and source files alphabetically
Anselm R. Garbe <garbeam@wmii.de>
parents:
80
diff
changeset
|
71 Fnt font; |
|
052fe7498930
ordered variables in structs and source files alphabetically
Anselm R. Garbe <garbeam@wmii.de>
parents:
80
diff
changeset
|
72 GC gc; |
| 452 | 73 } DC; /* draw context */ |
| 32 | 74 |
|
333
827f8f6c9e97
separated setup stuff into main.c:setup() - this makes main() more readable
Anselm R. Garbe <arg@10kloc.org>
parents:
327
diff
changeset
|
75 typedef struct Client Client; |
| 0 | 76 struct Client { |
| 31 | 77 char name[256]; |
|
13
5cc5e55a132d
added protocol killing stuff
Anselm R. Garbe <garbeam@wmii.de>
parents:
10
diff
changeset
|
78 int proto; |
|
115
329fd7dae530
removed c->f{x,y,w,h} and c->t{x,y,w,h} in favor for the new rule handling remembering two kinds of geometries is unnecessary, removed the randomized (x,y) setting on dofloat startup, was kind too random und unpredictable
arg@10ksloc.org
parents:
114
diff
changeset
|
79 int x, y, w, h; |
| 480 | 80 int rx, ry, rw, rh; /* revert geometry */ |
| 453 | 81 int tx, ty, tw, th; /* title window geometry */ |
| 20 | 82 int basew, baseh, incw, inch, maxw, maxh, minw, minh; |
|
164
21071ae1fe68
made fullscreen apps working fine in floating mode (there is no sane way to make them work in tiled mode, thus I switch to floating mode if I run such kind of app), also fixed the xterm issue reported by Sander
arg@10ksloc.org
parents:
157
diff
changeset
|
83 long flags; |
| 573 | 84 unsigned int border; |
| 549 | 85 Bool isfloat, isfixed, ismax; |
|
178
e848966a1ac6
removed TLast tag enum, now tags is simple defined as char *[] array, the rest is calculated correctly, rules take an int array for the tags
arg@10ksloc.org
parents:
173
diff
changeset
|
86 Bool *tags; |
|
84
052fe7498930
ordered variables in structs and source files alphabetically
Anselm R. Garbe <garbeam@wmii.de>
parents:
80
diff
changeset
|
87 Client *next; |
|
127
1480e19f6377
using double-linked list in order to get correct prev focus handling
arg@10ksloc.org
parents:
125
diff
changeset
|
88 Client *prev; |
|
446
a2e587651c79
using a global stack for focus recovery on arrange() - seems to work great
Anselm R. Garbe <arg@10kloc.org>
parents:
431
diff
changeset
|
89 Client *snext; |
| 0 | 90 Window win; |
| 342 | 91 Window twin; |
| 0 | 92 }; |
| 93 | |
| 452 | 94 extern const char *tags[]; /* all tags */ |
| 95 extern char stext[1024]; /* status text */ | |
| 96 extern int bx, by, bw, bh, bmw; /* bar geometry, bar mode label width */ | |
|
524
1a9a0877650c
keep master ratio on resizecol -> arrange
Anselm R. Garbe <arg@10kloc.org>
parents:
522
diff
changeset
|
97 extern int screen, sx, sy, sw, sh; /* screen geometry */ |
| 565 | 98 extern int wax, way, wah, waw; /* windowarea geometry */ |
|
524
1a9a0877650c
keep master ratio on resizecol -> arrange
Anselm R. Garbe <arg@10kloc.org>
parents:
522
diff
changeset
|
99 extern unsigned int master, ntags, numlockmask; /* master percent, number of tags, dynamic lock mask */ |
| 452 | 100 extern void (*handler[LASTEvent])(XEvent *); /* event handler */ |
|
533
a5567a0d3011
do* has no Arg arument anymore (never called directly)
Anselm R. Garbe <arg@10kloc.org>
parents:
532
diff
changeset
|
101 extern void (*arrange)(void); /* arrange function, indicates mode */ |
|
84
052fe7498930
ordered variables in structs and source files alphabetically
Anselm R. Garbe <garbeam@wmii.de>
parents:
80
diff
changeset
|
102 extern Atom wmatom[WMLast], netatom[NetLast]; |
|
473
2d8af0d7920d
implemented the maximization as I described on the mailinglist, this feels better to me.
arg@mmvi
parents:
469
diff
changeset
|
103 extern Bool running, issel, *seltag; /* seltag is array of Bool */ |
| 488 | 104 extern Client *clients, *sel, *stack; /* global client list and stack */ |
|
84
052fe7498930
ordered variables in structs and source files alphabetically
Anselm R. Garbe <garbeam@wmii.de>
parents:
80
diff
changeset
|
105 extern Cursor cursor[CurLast]; |
|
454
ffb462fb7903
small change to comments, renamed two set* functions in client.c into update*
Anselm R. Garbe <arg@10kloc.org>
parents:
453
diff
changeset
|
106 extern DC dc; /* global draw context */ |
|
84
052fe7498930
ordered variables in structs and source files alphabetically
Anselm R. Garbe <garbeam@wmii.de>
parents:
80
diff
changeset
|
107 extern Display *dpy; |
|
052fe7498930
ordered variables in structs and source files alphabetically
Anselm R. Garbe <garbeam@wmii.de>
parents:
80
diff
changeset
|
108 extern Window root, barwin; |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
109 |
| 5 | 110 /* client.c */ |
|
454
ffb462fb7903
small change to comments, renamed two set* functions in client.c into update*
Anselm R. Garbe <arg@10kloc.org>
parents:
453
diff
changeset
|
111 extern void ban(Client *c); /* ban c from screen */ |
|
491
12395ef46d97
added configure(), but this doesn't really fix those frking broken SDL apps
arg@mmvi
parents:
488
diff
changeset
|
112 extern void configure(Client *c); /* send synthetic configure event */ |
| 452 | 113 extern void focus(Client *c); /* focus c, c may be NULL */ |
| 114 extern Client *getclient(Window w); /* return client of w */ | |
| 115 extern Client *getctitle(Window w); /* return client of title window */ | |
| 116 extern void killclient(Arg *arg); /* kill c nicely */ | |
| 117 extern void manage(Window w, XWindowAttributes *wa); /* manage new client */ | |
| 118 extern void resize(Client *c, Bool sizehints, Corner sticky); /* resize c*/ | |
|
500
d5ad819f2a66
fixing the settags issue, preparing 1.7.1
Anselm R. Garbe <arg@10kloc.org>
parents:
491
diff
changeset
|
119 extern void resizetitle(Client *c); /* resizes c->twin correctly */ |
|
454
ffb462fb7903
small change to comments, renamed two set* functions in client.c into update*
Anselm R. Garbe <arg@10kloc.org>
parents:
453
diff
changeset
|
120 extern void updatesize(Client *c); /* update the size structs of c */ |
|
ffb462fb7903
small change to comments, renamed two set* functions in client.c into update*
Anselm R. Garbe <arg@10kloc.org>
parents:
453
diff
changeset
|
121 extern void updatetitle(Client *c); /* update the name of c */ |
| 452 | 122 extern void unmanage(Client *c); /* destroy c */ |
|
13
5cc5e55a132d
added protocol killing stuff
Anselm R. Garbe <garbeam@wmii.de>
parents:
10
diff
changeset
|
123 |
|
33
e90449e03167
new stuff (some warning elimination)
Anselm R. Garbe <garbeam@wmii.de>
parents:
32
diff
changeset
|
124 /* draw.c */ |
| 487 | 125 extern void drawall(void); /* draw all visible client titles and the bar */ |
| 126 extern void drawstatus(void); /* draw the bar */ | |
| 452 | 127 extern void drawtitle(Client *c); /* draw title of c */ |
| 128 extern unsigned long getcolor(const char *colstr); /* return color of colstr */ | |
| 129 extern void setfont(const char *fontstr); /* set the font for DC */ | |
|
456
d11d739ad9df
some other simplifications
Anselm R. Garbe <arg@10kloc.org>
parents:
454
diff
changeset
|
130 extern unsigned int textw(const char *text); /* return the width of text in px*/ |
|
33
e90449e03167
new stuff (some warning elimination)
Anselm R. Garbe <garbeam@wmii.de>
parents:
32
diff
changeset
|
131 |
| 75 | 132 /* event.c */ |
| 487 | 133 extern void grabkeys(void); /* grab all keys defined in config.h */ |
| 134 extern void procevent(void); /* process pending X events */ | |
|
18
1efa34c6e1b6
added mouse-based resizals
Anselm R. Garbe <garbeam@wmii.de>
parents:
16
diff
changeset
|
135 |
| 43 | 136 /* main.c */ |
| 452 | 137 extern int getproto(Window w); /* return protocol mask of WMProtocols property of w */ |
| 138 extern void quit(Arg *arg); /* quit dwm nicely */ | |
| 139 extern void sendevent(Window w, Atom a, long value); /* send synthetic event to w */ | |
| 140 extern int xerror(Display *dsply, XErrorEvent *ee); /* dwm's X error handler */ | |
| 43 | 141 |
| 75 | 142 /* tag.c */ |
| 487 | 143 extern void initrregs(void); /* initialize regexps of rules defined in config.h */ |
| 452 | 144 extern Client *getnext(Client *c); /* returns next visible client */ |
| 145 extern Client *getprev(Client *c); /* returns previous visible client */ | |
|
454
ffb462fb7903
small change to comments, renamed two set* functions in client.c into update*
Anselm R. Garbe <arg@10kloc.org>
parents:
453
diff
changeset
|
146 extern void settags(Client *c, Client *trans); /* sets tags of c */ |
|
456
d11d739ad9df
some other simplifications
Anselm R. Garbe <arg@10kloc.org>
parents:
454
diff
changeset
|
147 extern void tag(Arg *arg); /* tags c with arg's index */ |
|
d11d739ad9df
some other simplifications
Anselm R. Garbe <arg@10kloc.org>
parents:
454
diff
changeset
|
148 extern void toggletag(Arg *arg); /* toggles c tags with arg's index */ |
| 73 | 149 |
| 32 | 150 /* util.c */ |
| 452 | 151 extern void *emallocz(unsigned int size); /* allocates zero-initialized memory, exits on error */ |
|
456
d11d739ad9df
some other simplifications
Anselm R. Garbe <arg@10kloc.org>
parents:
454
diff
changeset
|
152 extern void eprint(const char *errstr, ...); /* prints errstr and exits with 1 */ |
| 452 | 153 extern void *erealloc(void *ptr, unsigned int size); /* reallocates memory, exits on error */ |
|
456
d11d739ad9df
some other simplifications
Anselm R. Garbe <arg@10kloc.org>
parents:
454
diff
changeset
|
154 extern void spawn(Arg *arg); /* forks a new subprocess with to arg's cmd */ |
|
327
96d09fd98e89
separated several functions into view.c
Anselm R. Garbe <arg@10kloc.org>
parents:
292
diff
changeset
|
155 |
|
96d09fd98e89
separated several functions into view.c
Anselm R. Garbe <arg@10kloc.org>
parents:
292
diff
changeset
|
156 /* view.c */ |
| 452 | 157 extern void detach(Client *c); /* detaches c from global client list */ |
|
533
a5567a0d3011
do* has no Arg arument anymore (never called directly)
Anselm R. Garbe <arg@10kloc.org>
parents:
532
diff
changeset
|
158 extern void dofloat(void); /* arranges all windows floating */ |
|
a5567a0d3011
do* has no Arg arument anymore (never called directly)
Anselm R. Garbe <arg@10kloc.org>
parents:
532
diff
changeset
|
159 extern void dotile(void); /* arranges all windows tiled */ |
| 452 | 160 extern void focusnext(Arg *arg); /* focuses next visible client, arg is ignored */ |
| 161 extern void focusprev(Arg *arg); /* focuses previous visible client, arg is ignored */ | |
| 162 extern Bool isvisible(Client *c); /* returns True if client is visible */ | |
| 559 | 163 extern void resizemaster(Arg *arg); /* resizes the master percent with arg's index value */ |
| 487 | 164 extern void restack(void); /* restores z layers of all clients */ |
| 585 | 165 extern void togglefloat(Arg *arg); /* toggles focusesd client between floating/non-floating state */ |
|
456
d11d739ad9df
some other simplifications
Anselm R. Garbe <arg@10kloc.org>
parents:
454
diff
changeset
|
166 extern void togglemode(Arg *arg); /* toggles global arrange function (dotile/dofloat) */ |
|
d11d739ad9df
some other simplifications
Anselm R. Garbe <arg@10kloc.org>
parents:
454
diff
changeset
|
167 extern void toggleview(Arg *arg); /* toggles the tag with arg's index (in)visible */ |
|
d11d739ad9df
some other simplifications
Anselm R. Garbe <arg@10kloc.org>
parents:
454
diff
changeset
|
168 extern void view(Arg *arg); /* views the tag with arg's index */ |
|
508
ede48935f2b3
added the new dotile as described on ml
Anselm R. Garbe <arg@10kloc.org>
parents:
507
diff
changeset
|
169 extern void zoom(Arg *arg); /* zooms the focused client to master area, arg is ignored */ |