dwm.h

   1 /*
   2  * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
   3  * See LICENSE file for license details.
   4  */
   5
   6 #include "config.h"
   7 #include <X11/Xlib.h>
   8
   9 /* mask shorthands, used in event.c and client.c */
  10 #define BUTTONMASK              (ButtonPressMask | ButtonReleaseMask)
  11 #define MOUSEMASK               (BUTTONMASK | PointerMotionMask)
  12 #define PROTODELWIN             1
  13
  14 enum { NetSupported, NetWMName, NetLast };              /* EWMH atoms */
  15 enum { WMProtocols, WMDelete, WMLast };                 /* default atoms */
  16 enum { CurNormal, CurResize, CurMove, CurLast };        /* cursor */
  17 enum { ColFG, ColBG, ColLast };                         /* color */
  18
  19 typedef enum {
  20         TopLeft, TopRight, BotLeft, BotRight
  21 } Corner; /* window corners */
  22
  23 typedef union {
  24         const char *cmd;
  25         int i;
  26 } Arg; /* argument type */
  27
  28 typedef struct {
  29         int ascent;
  30         int descent;
  31         int height;
  32         XFontSet set;
  33         XFontStruct *xfont;
  34 } Fnt;
  35
  36 typedef struct {
  37         int x, y, w, h;
  38         unsigned long norm[ColLast];
  39         unsigned long sel[ColLast];
  40         unsigned long status[ColLast];
  41         Drawable drawable;
  42         Fnt font;
  43         GC gc;
  44 } DC; /* draw context */
  45
  46 typedef struct Client Client;
  47 struct Client {
  48         char name[256];
  49         int proto;
  50         int x, y, w, h;
  51         int tx, ty, tw, th; /* title */
  52         int basew, baseh, incw, inch, maxw, maxh, minw, minh;
  53         int grav;
  54         long flags;
  55         unsigned int border, weight;
  56         Bool isfloat;
  57         Bool *tags;
  58         Client *next;
  59         Client *prev;
  60         Client *snext;
  61         Window win;
  62         Window twin;
  63 };
  64
  65 extern const char *tags[];                      /* all tags */
  66 extern char stext[1024];                        /* status text */
  67 extern int bx, by, bw, bh, bmw;                 /* bar geometry, bar mode label width */
  68 extern int mw, screen, sx, sy, sw, sh;          /* screen geometry, master width */
  69 extern unsigned int ntags, numlockmask;         /* number of tags, and dynamic lock mask */
  70 extern void (*handler[LASTEvent])(XEvent *);    /* event handler */
  71 extern void (*arrange)(Arg *);                  /* arrange function, indicates mode  */
  72 extern Atom wmatom[WMLast], netatom[NetLast];
  73 extern Bool running, issel, maximized, *seltag; /* seltag is array of Bool */
  74 extern Client *clients, *sel, *stack;           /* Client containers */
  75 extern Cursor cursor[CurLast];
  76 extern DC dc;                                   /* draw context for everything */
  77 extern Display *dpy;
  78 extern Window root, barwin;
  79
  80 /* client.c */
  81 extern void ban(Client *c);                     /* ban client from screen */
  82 extern void focus(Client *c);                   /* focus c, c may be NULL */
  83 extern Client *getclient(Window w);             /* return client of w */
  84 extern Client *getctitle(Window w);             /* return client of title window */
  85 extern void gravitate(Client *c, Bool invert);  /* gravitate c */
  86 extern void killclient(Arg *arg);               /* kill c nicely */
  87 extern void manage(Window w, XWindowAttributes *wa);    /* manage new client */
  88 extern void resize(Client *c, Bool sizehints, Corner sticky); /* resize c*/
  89 extern void setsize(Client *c);                 /* set the size structs of c */
  90 extern void settitle(Client *c);                /* set the name of c */
  91 extern void togglemax(Arg *arg);                /* (un)maximize c */
  92 extern void unmanage(Client *c);                /* destroy c */
  93
  94 /* draw.c */
  95 extern void drawall();                          /* draw all visible client titles and the bar */
  96 extern void drawstatus();                       /* draw the bar */
  97 extern void drawtitle(Client *c);               /* draw title of c */
  98 extern unsigned long getcolor(const char *colstr);      /* return color of colstr */
  99 extern void setfont(const char *fontstr);       /* set the font for DC */
 100 extern unsigned int textw(const char *text);    /* return the text width of text */
 101
 102 /* event.c */
 103 extern void grabkeys();                         /* grab all keys defined in config.h */
 104 extern void procevent();                        /* process pending X events */
 105
 106 /* main.c */
 107 extern int getproto(Window w);                  /* return protocol mask of WMProtocols property of w */
 108 extern void quit(Arg *arg);                     /* quit dwm nicely */
 109 extern void sendevent(Window w, Atom a, long value);    /* send synthetic event to w */
 110 extern int xerror(Display *dsply, XErrorEvent *ee);     /* dwm's X error handler */
 111
 112 /* tag.c */
 113 extern void initrregs();                        /* initialize regexps of rules defined in config.h */
 114 extern Client *getnext(Client *c);              /* returns next visible client */
 115 extern Client *getprev(Client *c);              /* returns previous visible client */
 116 extern void settags(Client *c, Client *trans);  /* updates tags of c */
 117 extern void tag(Arg *arg);                      /* tags c accordingly to arg's index */
 118 extern void toggletag(Arg *arg);                /* toggles c tags accordingly to arg's index */
 119
 120 /* util.c */
 121 extern void *emallocz(unsigned int size);       /* allocates zero-initialized memory, exits on error */
 122 extern void eprint(const char *errstr, ...);    /* prints error string and exits with return code 1 */
 123 extern void *erealloc(void *ptr, unsigned int size);    /* reallocates memory, exits on error */
 124 extern void spawn(Arg *arg)                     /* forks a new subprocess accordingly to arg's cmd */
 125
 126 /* view.c */
 127 extern void detach(Client *c);                  /* detaches c from global client list */
 128 extern void dofloat(Arg *arg);                  /* arranges all windows in a floating way, arg is ignored */
 129 extern void dotile(Arg *arg);                   /* arranges all windows in a tiled way, arg is ignored */
 130 extern void focusnext(Arg *arg);                /* focuses next visible client, arg is ignored  */
 131 extern void focusprev(Arg *arg);                /* focuses previous visible client, arg is ignored */
 132 extern Bool isvisible(Client *c);               /* returns True if client is visible */
 133 extern void resizecol(Arg *arg);                /* resizes the master width accordingly to arg's index value */
 134 extern void restack();                          /* restores z layers of all clients */
 135 extern void togglemode(Arg *arg);               /* toggles global arrange mode (between dotile and dofloat) */
 136 extern void toggleview(Arg *arg);               /* makes the tag accordingly to arg's index (in)visible */
 137 extern void view(Arg *arg);                     /* makes the tag accordingly to arg's index visible */
 138 extern void viewall(Arg *arg);                  /* makes all tags visible, arg is ignored */
 139 extern void zoom(Arg *arg);                     /* zooms the focused client to master column, arg is ignored */