Mercurial > aewl
annotate dwm.h @ 506:b467b5a749db
I changed sanders patch to fix the ff issue to be simplier, though it needs testing if this really fixes the issue
| author | Anselm R. Garbe <arg@10kloc.org> |
|---|---|
| date | Fri, 29 Sep 2006 12:56:01 +0200 |
| parents | 2c29d74b11dc |
| children | 2824b5d0f0f0 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com> | |
| 3 * See LICENSE file for license details. | |
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4 * |
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5 * dynamic window manager is designed like any other X client as well. It is |
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6 * driven through handling X events. In contrast to other X clients, a window |
| 468 | 7 * manager selects for SubstructureRedirectMask on the root window, to receive |
| 8 * events about window (dis-)appearance. Only one X connection at a time is | |
| 9 * allowed to select for this event mask. | |
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10 * |
| 468 | 11 * Calls to fetch an X event from the event queue are blocking. Due reading |
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12 * status text from standard input, a select()-driven main loop has been |
| 468 | 13 * implemented which selects for reads on the X connection and STDIN_FILENO to |
| 14 * handle all data smoothly. The event handlers of dwm are organized in an | |
| 15 * array which is accessed whenever a new event has been fetched. This allows | |
| 16 * event dispatching in O(1) time. | |
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17 * |
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18 * Each child of the root window is called a client, except windows which have |
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19 * set the override_redirect flag. Clients are organized in a global |
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20 * doubly-linked client list, the focus history is remembered through a global |
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21 * stack list. Each client contains an array of Bools of the same size as the |
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22 * global tags array to indicate the tags of a client. For each client dwm |
| 468 | 23 * creates a small title window, which is resized whenever the (_NET_)WM_NAME |
| 24 * properties are updated or the client is moved/resized. | |
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25 * |
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26 * Keys and tagging rules are organized as arrays and defined in the config.h |
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27 * file. These arrays are kept static in event.o and tag.o respectively, |
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28 * because no other part of dwm needs access to them. The current mode is |
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29 * represented by the arrange() function pointer, which wether points to |
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30 * dofloat() or dotile(). |
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31 * |
| 468 | 32 * To understand everything else, start reading main.c:main(). |
| 0 | 33 */ |
| 34 | |
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35 #include "config.h" |
| 32 | 36 #include <X11/Xlib.h> |
| 37 | |
| 143 | 38 /* mask shorthands, used in event.c and client.c */ |
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39 #define BUTTONMASK (ButtonPressMask | ButtonReleaseMask) |
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40 #define MOUSEMASK (BUTTONMASK | PointerMotionMask) |
| 502 | 41 /* other stuff used in different places */ |
| 42 #define BORDERPX 1 | |
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43 #define PROTODELWIN 1 |
| 143 | 44 |
| 452 | 45 enum { NetSupported, NetWMName, NetLast }; /* EWMH atoms */ |
| 46 enum { WMProtocols, WMDelete, WMLast }; /* default atoms */ | |
| 47 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */ | |
| 48 enum { ColFG, ColBG, ColLast }; /* color */ | |
| 49 | |
| 50 typedef enum { | |
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51 StackLeft, StackBottom, StackRight |
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52 } StackPos; /* stack position*/ |
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53 |
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54 typedef enum { |
| 452 | 55 TopLeft, TopRight, BotLeft, BotRight |
| 56 } Corner; /* window corners */ | |
| 57 | |
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58 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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59 const char *cmd; |
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60 int i; |
| 452 | 61 } Arg; /* argument type */ |
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62 |
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63 typedef struct { |
| 32 | 64 int ascent; |
| 65 int descent; | |
| 66 int height; | |
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67 XFontSet set; |
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68 XFontStruct *xfont; |
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69 } Fnt; |
| 32 | 70 |
| 452 | 71 typedef struct { |
| 32 | 72 int x, y, w, h; |
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73 unsigned long norm[ColLast]; |
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74 unsigned long sel[ColLast]; |
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75 unsigned long status[ColLast]; |
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76 Drawable drawable; |
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77 Fnt font; |
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78 GC gc; |
| 452 | 79 } DC; /* draw context */ |
| 32 | 80 |
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81 typedef struct Client Client; |
| 0 | 82 struct Client { |
| 31 | 83 char name[256]; |
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84 int proto; |
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85 int x, y, w, h; |
| 480 | 86 int rx, ry, rw, rh; /* revert geometry */ |
| 453 | 87 int tx, ty, tw, th; /* title window geometry */ |
| 20 | 88 int basew, baseh, incw, inch, maxw, maxh, minw, minh; |
| 29 | 89 int grav; |
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90 long flags; |
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91 unsigned int border, weight; |
| 480 | 92 Bool isfloat, ismax; |
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93 Bool *tags; |
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94 Client *next; |
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95 Client *prev; |
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96 Client *snext; |
| 0 | 97 Window win; |
| 342 | 98 Window twin; |
| 0 | 99 }; |
| 100 | |
| 452 | 101 extern const char *tags[]; /* all tags */ |
| 102 extern char stext[1024]; /* status text */ | |
| 103 extern int bx, by, bw, bh, bmw; /* bar geometry, bar mode label width */ | |
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104 extern int master, screen, sx, sy, sw, sh; /* screen geometry, master width */ |
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105 extern unsigned int ntags, numlockmask; /* number of tags, dynamic lock mask */ |
| 452 | 106 extern void (*handler[LASTEvent])(XEvent *); /* event handler */ |
| 107 extern void (*arrange)(Arg *); /* arrange function, indicates mode */ | |
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108 extern Atom wmatom[WMLast], netatom[NetLast]; |
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109 extern Bool running, issel, *seltag; /* seltag is array of Bool */ |
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110 extern Bool isvertical; /* stack direction */ |
| 488 | 111 extern Client *clients, *sel, *stack; /* global client list and stack */ |
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112 extern Cursor cursor[CurLast]; |
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113 extern DC dc; /* global draw context */ |
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114 extern Display *dpy; |
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115 extern StackPos stackpos; |
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116 extern Window root, barwin; |
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117 |
| 5 | 118 /* client.c */ |
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119 extern void ban(Client *c); /* ban c from screen */ |
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120 extern void configure(Client *c); /* send synthetic configure event */ |
| 452 | 121 extern void focus(Client *c); /* focus c, c may be NULL */ |
| 122 extern Client *getclient(Window w); /* return client of w */ | |
| 123 extern Client *getctitle(Window w); /* return client of title window */ | |
| 124 extern void gravitate(Client *c, Bool invert); /* gravitate c */ | |
| 125 extern void killclient(Arg *arg); /* kill c nicely */ | |
| 126 extern void manage(Window w, XWindowAttributes *wa); /* manage new client */ | |
| 127 extern void resize(Client *c, Bool sizehints, Corner sticky); /* resize c*/ | |
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128 extern void resizetitle(Client *c); /* resizes c->twin correctly */ |
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129 extern void updatesize(Client *c); /* update the size structs of c */ |
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130 extern void updatetitle(Client *c); /* update the name of c */ |
| 452 | 131 extern void unmanage(Client *c); /* destroy c */ |
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132 |
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133 /* draw.c */ |
| 487 | 134 extern void drawall(void); /* draw all visible client titles and the bar */ |
| 135 extern void drawstatus(void); /* draw the bar */ | |
| 452 | 136 extern void drawtitle(Client *c); /* draw title of c */ |
| 137 extern unsigned long getcolor(const char *colstr); /* return color of colstr */ | |
| 138 extern void setfont(const char *fontstr); /* set the font for DC */ | |
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139 extern unsigned int textw(const char *text); /* return the width of text in px*/ |
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140 |
| 75 | 141 /* event.c */ |
| 487 | 142 extern void grabkeys(void); /* grab all keys defined in config.h */ |
| 143 extern void procevent(void); /* process pending X events */ | |
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144 |
| 43 | 145 /* main.c */ |
| 452 | 146 extern int getproto(Window w); /* return protocol mask of WMProtocols property of w */ |
| 147 extern void quit(Arg *arg); /* quit dwm nicely */ | |
| 148 extern void sendevent(Window w, Atom a, long value); /* send synthetic event to w */ | |
| 149 extern int xerror(Display *dsply, XErrorEvent *ee); /* dwm's X error handler */ | |
| 43 | 150 |
| 75 | 151 /* tag.c */ |
| 487 | 152 extern void initrregs(void); /* initialize regexps of rules defined in config.h */ |
| 452 | 153 extern Client *getnext(Client *c); /* returns next visible client */ |
| 154 extern Client *getprev(Client *c); /* returns previous visible client */ | |
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155 extern void settags(Client *c, Client *trans); /* sets tags of c */ |
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156 extern void tag(Arg *arg); /* tags c with arg's index */ |
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157 extern void toggletag(Arg *arg); /* toggles c tags with arg's index */ |
| 73 | 158 |
| 32 | 159 /* util.c */ |
| 452 | 160 extern void *emallocz(unsigned int size); /* allocates zero-initialized memory, exits on error */ |
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161 extern void eprint(const char *errstr, ...); /* prints errstr and exits with 1 */ |
| 452 | 162 extern void *erealloc(void *ptr, unsigned int size); /* reallocates memory, exits on error */ |
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163 extern void spawn(Arg *arg); /* forks a new subprocess with to arg's cmd */ |
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164 |
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165 /* view.c */ |
| 452 | 166 extern void detach(Client *c); /* detaches c from global client list */ |
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167 extern void dofloat(Arg *arg); /* arranges all windows floating, arg is ignored */ |
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168 extern void dotile(Arg *arg); /* arranges all windows, arg is ignored */ |
| 452 | 169 extern void focusnext(Arg *arg); /* focuses next visible client, arg is ignored */ |
| 170 extern void focusprev(Arg *arg); /* focuses previous visible client, arg is ignored */ | |
| 171 extern Bool isvisible(Client *c); /* returns True if client is visible */ | |
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172 extern void resizecol(Arg *arg); /* resizes the master width with arg's index value */ |
| 487 | 173 extern void restack(void); /* restores z layers of all clients */ |
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174 extern void togglemode(Arg *arg); /* toggles global arrange function (dotile/dofloat) */ |
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175 extern void toggleview(Arg *arg); /* toggles the tag with arg's index (in)visible */ |
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d11d739ad9df
some other simplifications
Anselm R. Garbe <arg@10kloc.org>
parents:
454
diff
changeset
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176 extern void view(Arg *arg); /* views the tag with arg's index */ |
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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
|
177 extern void viewall(Arg *arg); /* views all tags, arg is ignored */ |
| 452 | 178 extern void zoom(Arg *arg); /* zooms the focused client to master column, arg is ignored */ |