ewm/dwm.h

/* See LICENSE file for copyright and license details. */

/* enums */
enum { BarTop, BarBot, BarOff };			/* bar position */
enum { CurNormal, CurResize, CurMove, CurLast };	/* cursor */
enum { ColBorder, ColFG, ColBG, ColLast };		/* color */
enum { NetSupported, NetWMName, NetLast };		/* EWMH atoms */
enum { WMProtocols, WMDelete, WMName, WMState, WMLast };/* default atoms */

/* typedefs */
typedef struct Client Client;
struct Client {
	char name[256];
	int x, y, w, h;
	int rx, ry, rw, rh; /* revert geometry */
	int basew, baseh, incw, inch, maxw, maxh, minw, minh;
	int minax, maxax, minay, maxay;
	long flags;
	unsigned int border, oldborder;
	Bool isbanned, isfixed, ismax, isfloating, wasfloating;
	Bool *tags;
	Client *next;
	Client *prev;
	Client *snext;
	Window win;
};

typedef struct {
	int x, y, w, h;
	unsigned long norm[ColLast];
	unsigned long sel[ColLast];
	Drawable drawable;
	GC gc;
	struct {
		int ascent;
		int descent;
		int height;
		XFontSet set;
		XFontStruct *xfont;
	} font;
} DC; /* draw context */

typedef struct {
	unsigned long mod;
	KeySym keysym;
	void (*func)(const char *arg);
	const char *arg;
} Key;

typedef struct {
	const char *symbol;
	void (*arrange)(void);
} Layout;

typedef struct {
	const char *prop;
	const char *tags;
	Bool isfloating;
} Rule;

typedef struct {
	regex_t *propregex;
	regex_t *tagregex;
} Regs;

/* functions */
void applyrules(Client *c);
void arrange(void);
void attach(Client *c);
void attachstack(Client *c);
void ban(Client *c);
void buttonpress(XEvent *e);
void checkotherwm(void);
void cleanup(void);
void compileregs(void);
void configure(Client *c);
void configurenotify(XEvent *e);
void configurerequest(XEvent *e);
void destroynotify(XEvent *e);
void detach(Client *c);
void detachstack(Client *c);
void drawbar(void);
void drawsquare(Bool filled, Bool empty, unsigned long col[ColLast]);
void drawtext(const char *text, unsigned long col[ColLast]);
void *emallocz(unsigned int size);
void enternotify(XEvent *e);
void eprint(const char *errstr, ...);
void expose(XEvent *e);
void floating(void); /* default floating layout */
void focus(Client *c);
void focusnext(const char *arg);
void focusprev(const char *arg);
Client *getclient(Window w);
unsigned long getcolor(const char *colstr);
long getstate(Window w);
Bool gettextprop(Window w, Atom atom, char *text, unsigned int size);
void grabbuttons(Client *c, Bool focused);
unsigned int idxoftag(const char *tag);
void initfont(const char *fontstr);
Bool isarrange(void (*func)());
Bool isoccupied(unsigned int t);
Bool isprotodel(Client *c);
Bool isvisible(Client *c);
void keypress(XEvent *e);
void killclient(const char *arg);
void leavenotify(XEvent *e);
void manage(Window w, XWindowAttributes *wa);
void mappingnotify(XEvent *e);
void maprequest(XEvent *e);
void movemouse(Client *c);
Client *nexttiled(Client *c);
void propertynotify(XEvent *e);
void quit(const char *arg);
void resize(Client *c, int x, int y, int w, int h, Bool sizehints);
void resizemouse(Client *c);
void restack(void);
void run(void);
void scan(void);
void setclientstate(Client *c, long state);
void setlayout(const char *arg);
void setmwfact(const char *arg);
void setup(void);
void spawn(const char *arg);
void tag(const char *arg);
unsigned int textnw(const char *text, unsigned int len);
unsigned int textw(const char *text);
void tile(void);
void togglebar(const char *arg);
void togglefloating(const char *arg);
void togglemax(const char *arg);
void toggletag(const char *arg);
void toggleview(const char *arg);
void unban(Client *c);
void unmanage(Client *c);
void unmapnotify(XEvent *e);
void updatebarpos(void);
void updatesizehints(Client *c);
void updatetitle(Client *c);
void view(const char *arg);
void viewprevtag(const char *arg);	/* views previous selected tags */
int xerror(Display *dpy, XErrorEvent *ee);
int xerrordummy(Display *dsply, XErrorEvent *ee);
int xerrorstart(Display *dsply, XErrorEvent *ee);
void zoom(const char *arg);

/* variables */
char stext[256];
double mwfact;
int screen, sx, sy, sw, sh, wax, way, waw, wah;
int (*xerrorxlib)(Display *, XErrorEvent *);
unsigned int bh, bpos;
unsigned int blw = 0;
unsigned int ltidx = 0; /* default */
unsigned int nlayouts = 0;
unsigned int nrules = 0;
unsigned int numlockmask = 0;
void (*handler[LASTEvent]) (XEvent *) = {
	[ButtonPress] = buttonpress,
	[ConfigureRequest] = configurerequest,
	[ConfigureNotify] = configurenotify,
	[DestroyNotify] = destroynotify,
	[EnterNotify] = enternotify,
	[LeaveNotify] = leavenotify,
	[Expose] = expose,
	[KeyPress] = keypress,
	[MappingNotify] = mappingnotify,
	[MapRequest] = maprequest,
	[PropertyNotify] = propertynotify,
	[UnmapNotify] = unmapnotify
};
Atom wmatom[WMLast], netatom[NetLast];
Bool otherwm, readin;
Bool running = True;
Bool selscreen = True;
Client *clients = NULL;
Client *sel = NULL;
Client *stack = NULL;
Cursor cursor[CurLast];
Display *dpy;
DC dc = {0};
Window barwin, root;
Regs *regs = NULL;

/* configuration, allows nested code to access above variables */
#include "config.h"

/* Statically define the number of tags. */
unsigned int ntags = sizeof tags / sizeof tags[0];
Bool seltags[sizeof tags / sizeof tags[0]] = {[0] = True};
Bool prevtags[sizeof tags / sizeof tags[0]] = {[0] = True};