Mercurial > aewl
annotate dwm.h @ 597:7a48d1f06223
improved tag indicator
| author | arg@mig29 |
|---|---|
| date | Fri, 01 Dec 2006 09:52:15 +0100 |
| parents | 16ec97b95b4f |
| children | 264f02dd2ad0 |
| rev | line source |
|---|---|
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1 /* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com> |
| 0 | 2 * See LICENSE file for license details. |
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3 * |
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4 * dynamic window manager is designed like any other X client as well. It is |
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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. | |
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9 * |
| 468 | 10 * Calls to fetch an X event from the event queue are blocking. Due reading |
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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. | |
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16 * |
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17 * Each child of the root window is called a client, except windows which have |
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18 * set the override_redirect flag. Clients are organized in a global |
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19 * doubly-linked client list, the focus history is remembered through a global |
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20 * stack list. Each client contains an array of Bools of the same size as the |
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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. | |
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24 * |
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25 * Keys and tagging rules are organized as arrays and defined in the config.h |
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26 * file. These arrays are kept static in event.o and tag.o respectively, |
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27 * because no other part of dwm needs access to them. The current mode is |
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28 * represented by the arrange() function pointer, which wether points to |
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29 * dofloat() or dotile(). |
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30 * |
| 468 | 31 * To understand everything else, start reading main.c:main(). |
| 0 | 32 */ |
| 33 | |
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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
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34 #include "config.h" |
| 32 | 35 #include <X11/Xlib.h> |
| 36 | |
| 143 | 37 /* mask shorthands, used in event.c and client.c */ |
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38 #define BUTTONMASK (ButtonPressMask | ButtonReleaseMask) |
| 502 | 39 /* other stuff used in different places */ |
| 40 #define BORDERPX 1 | |
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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 | |
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52 typedef union { |
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using execl now, argv changed, using cmd and const char defs directly in the KEYS struct
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53 const char *cmd; |
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49
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54 int i; |
| 452 | 55 } Arg; /* argument type */ |
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56 |
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57 typedef struct { |
| 32 | 58 int ascent; |
| 59 int descent; | |
| 60 int height; | |
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61 XFontSet set; |
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62 XFontStruct *xfont; |
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63 } Fnt; |
| 32 | 64 |
| 452 | 65 typedef struct { |
| 32 | 66 int x, y, w, h; |
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67 unsigned long norm[ColLast]; |
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68 unsigned long sel[ColLast]; |
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69 unsigned long status[ColLast]; |
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70 Drawable drawable; |
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71 Fnt font; |
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72 GC gc; |
| 452 | 73 } DC; /* draw context */ |
| 32 | 74 |
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75 typedef struct Client Client; |
| 0 | 76 struct Client { |
| 31 | 77 char name[256]; |
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78 int proto; |
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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; |
| 29 | 83 int grav; |
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84 long flags; |
| 573 | 85 unsigned int border; |
| 549 | 86 Bool isfloat, isfixed, ismax; |
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87 Bool *tags; |
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88 Client *next; |
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89 Client *prev; |
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90 Client *snext; |
| 0 | 91 Window win; |
| 342 | 92 Window twin; |
| 0 | 93 }; |
| 94 | |
| 452 | 95 extern const char *tags[]; /* all tags */ |
| 96 extern char stext[1024]; /* status text */ | |
| 97 extern int bx, by, bw, bh, bmw; /* bar geometry, bar mode label width */ | |
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98 extern int screen, sx, sy, sw, sh; /* screen geometry */ |
| 565 | 99 extern int wax, way, wah, waw; /* windowarea geometry */ |
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100 extern unsigned int master, ntags, numlockmask; /* master percent, number of tags, dynamic lock mask */ |
| 452 | 101 extern void (*handler[LASTEvent])(XEvent *); /* event handler */ |
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102 extern void (*arrange)(void); /* arrange function, indicates mode */ |
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103 extern Atom wmatom[WMLast], netatom[NetLast]; |
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104 extern Bool running, issel, *seltag; /* seltag is array of Bool */ |
| 488 | 105 extern Client *clients, *sel, *stack; /* global client list and stack */ |
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106 extern Cursor cursor[CurLast]; |
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107 extern DC dc; /* global draw context */ |
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108 extern Display *dpy; |
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109 extern Window root, barwin; |
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110 |
| 5 | 111 /* client.c */ |
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112 extern void ban(Client *c); /* ban c from screen */ |
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113 extern void configure(Client *c); /* send synthetic configure event */ |
| 452 | 114 extern void focus(Client *c); /* focus c, c may be NULL */ |
| 115 extern Client *getclient(Window w); /* return client of w */ | |
| 116 extern Client *getctitle(Window w); /* return client of title window */ | |
| 117 extern void gravitate(Client *c, Bool invert); /* gravitate c */ | |
| 118 extern void killclient(Arg *arg); /* kill c nicely */ | |
| 119 extern void manage(Window w, XWindowAttributes *wa); /* manage new client */ | |
| 120 extern void resize(Client *c, Bool sizehints, Corner sticky); /* resize c*/ | |
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121 extern void resizetitle(Client *c); /* resizes c->twin correctly */ |
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122 extern void updatesize(Client *c); /* update the size structs of c */ |
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123 extern void updatetitle(Client *c); /* update the name of c */ |
| 452 | 124 extern void unmanage(Client *c); /* destroy c */ |
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125 |
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126 /* draw.c */ |
| 487 | 127 extern void drawall(void); /* draw all visible client titles and the bar */ |
| 128 extern void drawstatus(void); /* draw the bar */ | |
| 452 | 129 extern void drawtitle(Client *c); /* draw title of c */ |
| 130 extern unsigned long getcolor(const char *colstr); /* return color of colstr */ | |
| 131 extern void setfont(const char *fontstr); /* set the font for DC */ | |
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132 extern unsigned int textw(const char *text); /* return the width of text in px*/ |
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133 |
| 75 | 134 /* event.c */ |
| 487 | 135 extern void grabkeys(void); /* grab all keys defined in config.h */ |
| 136 extern void procevent(void); /* process pending X events */ | |
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137 |
| 43 | 138 /* main.c */ |
| 452 | 139 extern int getproto(Window w); /* return protocol mask of WMProtocols property of w */ |
| 140 extern void quit(Arg *arg); /* quit dwm nicely */ | |
| 141 extern void sendevent(Window w, Atom a, long value); /* send synthetic event to w */ | |
| 142 extern int xerror(Display *dsply, XErrorEvent *ee); /* dwm's X error handler */ | |
| 43 | 143 |
| 75 | 144 /* tag.c */ |
| 487 | 145 extern void initrregs(void); /* initialize regexps of rules defined in config.h */ |
| 452 | 146 extern Client *getnext(Client *c); /* returns next visible client */ |
| 147 extern Client *getprev(Client *c); /* returns previous visible client */ | |
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148 extern void settags(Client *c, Client *trans); /* sets tags of c */ |
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149 extern void tag(Arg *arg); /* tags c with arg's index */ |
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150 extern void toggletag(Arg *arg); /* toggles c tags with arg's index */ |
| 73 | 151 |
| 32 | 152 /* util.c */ |
| 452 | 153 extern void *emallocz(unsigned int size); /* allocates zero-initialized memory, exits on error */ |
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154 extern void eprint(const char *errstr, ...); /* prints errstr and exits with 1 */ |
| 452 | 155 extern void *erealloc(void *ptr, unsigned int size); /* reallocates memory, exits on error */ |
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156 extern void spawn(Arg *arg); /* forks a new subprocess with to arg's cmd */ |
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157 |
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158 /* view.c */ |
| 452 | 159 extern void detach(Client *c); /* detaches c from global client list */ |
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160 extern void dofloat(void); /* arranges all windows floating */ |
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161 extern void dotile(void); /* arranges all windows tiled */ |
| 452 | 162 extern void focusnext(Arg *arg); /* focuses next visible client, arg is ignored */ |
| 163 extern void focusprev(Arg *arg); /* focuses previous visible client, arg is ignored */ | |
| 164 extern Bool isvisible(Client *c); /* returns True if client is visible */ | |
| 559 | 165 extern void resizemaster(Arg *arg); /* resizes the master percent with arg's index value */ |
| 487 | 166 extern void restack(void); /* restores z layers of all clients */ |
| 585 | 167 extern void togglefloat(Arg *arg); /* toggles focusesd client between floating/non-floating state */ |
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168 extern void togglemode(Arg *arg); /* toggles global arrange function (dotile/dofloat) */ |
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169 extern void toggleview(Arg *arg); /* toggles the tag with arg's index (in)visible */ |
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170 extern void view(Arg *arg); /* views the tag with arg's index */ |
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171 extern void zoom(Arg *arg); /* zooms the focused client to master area, arg is ignored */ |