/*

 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>

 * See LICENSE file for license details.

 */

#include <X11/Xlib.h>

/********** CUSTOMIZE **********/

#define FONT				"-*-terminus-medium-*-*-*-13-*-*-*-*-*-iso10646-*"

#define BGCOLOR				"#666699"

#define FGCOLOR				"#eeeeee"

#define BORDERCOLOR			"#9999CC"

#define MASTERW				52 /* percent */

#define WM_PROTOCOL_DELWIN	1

/* tags */

enum { Tscratch, Tdev, Twww, Twork, TLast };

/********** CUSTOMIZE **********/

typedef union Arg Arg;

typedef struct DC DC;

typedef struct Client Client;

typedef struct Fnt Fnt;

typedef struct Key Key;

typedef struct Rule Rule;

union Arg {

	const char **argv;

	int i;

};

/* atoms */

enum { WMProtocols, WMDelete, WMLast };

enum { NetSupported, NetWMName, NetLast };

/* cursor */

enum { CurNormal, CurResize, CurMove, CurInput, CurLast };

struct Fnt {

	XFontStruct *xfont;

	XFontSet set;

	int ascent;

	int descent;

	int height;

};

struct DC { /* draw context */

	GC gc;

	Drawable drawable;

	int x, y, w, h;

	Fnt font;

	unsigned long bg;

	unsigned long fg;

	unsigned long border;

};

struct Client {

	char name[256];

	char *tags[TLast];

	int proto;

	int x, y, w, h;

	int tx, ty, tw, th;

	int basew, baseh, incw, inch, maxw, maxh, minw, minh;

	int grav;

	unsigned int border;

	long flags; 

	Bool floating;

	Window win;

	Window title;

	Client *next;

	Client *revert;

};

struct Rule {

	const char *class;

	const char *instance;

	char *tags[TLast];

	Bool floating;

};

struct Key {

	unsigned long mod;

	KeySym keysym;

	void (*func)(Arg *arg);

	Arg arg;

};

extern Display *dpy;

extern Window root, barwin;

extern Atom wm_atom[WMLast], net_atom[NetLast];

extern Cursor cursor[CurLast];

extern Bool running, issel;

extern void (*handler[LASTEvent])(XEvent *);

extern void (*arrange)(Arg *);

extern int tsel, screen, sx, sy, sw, sh, bx, by, bw, bh, mw;

extern char *tags[TLast], stext[1024];

extern DC dc;

extern Client *clients, *sel;

/* client.c */

extern void manage(Window w, XWindowAttributes *wa);

extern void unmanage(Client *c);

extern Client *getclient(Window w);

extern void focus(Client *c);

extern void update_name(Client *c);

extern void resize(Client *c, Bool inc);

extern void update_size(Client *c);

extern Client *gettitle(Window w);

extern void craise(Client *c);

extern void lower(Client *c);

extern void gravitate(Client *c, Bool invert);

/* draw.c */

extern void drawtext(const char *text, Bool invert, Bool border);

extern unsigned long initcolor(const char *colstr);

extern void initfont(const char *fontstr);

extern unsigned int textnw(char *text, unsigned int len);

extern unsigned int textw(char *text);

extern unsigned int texth(void);

extern void keypress(XEvent *e);

/* main.c */

extern int error_handler(Display *dsply, XErrorEvent *e);

extern void send_message(Window w, Atom a, long value);

extern int win_proto(Window w);

extern void quit(Arg *arg);

/* util.c */

extern void error(const char *errstr, ...);

extern void *emallocz(unsigned int size);

extern void spawn(Arg *arg);