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
 14typedef union {
 15	const char *cmd;
 16	int i;
 17} Arg;
 18
 19/* atoms */
 20enum { NetSupported, NetWMName, NetLast };
 21enum { WMProtocols, WMDelete, WMLast };
 22
 23/* cursor */
 24enum { CurNormal, CurResize, CurMove, CurLast };
 25
 26/* window corners */
 27typedef enum { TopLeft, TopRight, BotLeft, BotRight } Corner;
 28
 29typedef struct {
 30	int ascent;
 31	int descent;
 32	int height;
 33	XFontSet set;
 34	XFontStruct *xfont;
 35} Fnt;
 36
 37typedef struct { /* draw context */
 38	int x, y, w, h;
 39	unsigned long bg[2];
 40	unsigned long fg[2];
 41	Drawable drawable;
 42	Fnt font;
 43	GC gc;
 44} DC;
 45
 46typedef struct Client Client;
 47struct 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;
 56	Bool isfloat;
 57	Bool ismax;
 58	Bool *tags;
 59	Client *next;
 60	Client *prev;
 61	Window win;
 62	Window twin;
 63};
 64
 65extern const char *tags[];
 66extern char stext[1024];
 67extern int screen, sx, sy, sw, sh, bx, by, bw, bh, mw;
 68extern unsigned int ntags, numlockmask;
 69extern void (*handler[LASTEvent])(XEvent *);
 70extern void (*arrange)(Arg *);
 71extern Atom wmatom[WMLast], netatom[NetLast];
 72extern Bool running, issel, *seltag;
 73extern Client *clients, *sel;
 74extern Cursor cursor[CurLast];
 75extern DC dc;
 76extern Display *dpy;
 77extern Window root, barwin;
 78
 79/* client.c */
 80extern void ban(Client *c);
 81extern void focus(Client *c);
 82extern Client *getclient(Window w);
 83extern Client *getctitle(Window w);
 84extern void gravitate(Client *c, Bool invert);
 85extern void killclient(Arg *arg);
 86extern void manage(Window w, XWindowAttributes *wa);
 87extern void resize(Client *c, Bool sizehints, Corner sticky);
 88extern void setsize(Client *c);
 89extern void settitle(Client *c);
 90extern void togglemax(Arg *arg);
 91extern void unmanage(Client *c);
 92
 93/* draw.c */
 94extern void drawall();
 95extern void drawstatus();
 96extern void drawtitle(Client *c);
 97extern unsigned long getcolor(const char *colstr);
 98extern void setfont(const char *fontstr);
 99extern unsigned int textw(const char *text);
100
101/* event.c */
102extern void grabkeys();
103extern void procevent();
104
105/* main.c */
106extern int getproto(Window w);
107extern void quit(Arg *arg);
108extern void sendevent(Window w, Atom a, long value);
109extern int xerror(Display *dsply, XErrorEvent *ee);
110
111/* tag.c */
112extern void initrregs();
113extern Client *getnext(Client *c);
114extern Client *getprev(Client *c);
115extern void settags(Client *c);
116extern void tag(Arg *arg);
117extern void toggletag(Arg *arg);
118
119/* util.c */
120extern void *emallocz(unsigned int size);
121extern void eprint(const char *errstr, ...);
122extern void *erealloc(void *ptr, unsigned int size);
123extern void spawn(Arg *arg);
124
125/* view.c */
126extern void dofloat(Arg *arg);
127extern void dotile(Arg *arg);
128extern void focusnext(Arg *arg);
129extern void focusprev(Arg *arg);
130extern Bool isvisible(Client *c);
131extern void restack();
132extern void togglemode(Arg *arg);
133extern void toggleview(Arg *arg);
134extern void view(Arg *arg);
135extern void zoom(Arg *arg);