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1847 lines
43 KiB
1847 lines
43 KiB
/* See LICENSE file for copyright and license details. */ |
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#include <errno.h> |
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#include <locale.h> |
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#include <regex.h> |
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#include <stdarg.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include <sys/select.h> |
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#include <sys/wait.h> |
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#include <X11/cursorfont.h> |
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#include <X11/keysym.h> |
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#include <X11/Xatom.h> |
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#include <X11/Xproto.h> |
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#include <X11/Xutil.h> |
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|
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/* macros */ |
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#define BUTTONMASK (ButtonPressMask | ButtonReleaseMask) |
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#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask)) |
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#define MOUSEMASK (BUTTONMASK | PointerMotionMask) |
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|
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/* enums */ |
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enum { BarTop, BarBot, BarOff }; /* bar position */ |
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enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */ |
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enum { ColBorder, ColFG, ColBG, ColLast }; /* color */ |
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enum { NetSupported, NetWMName, NetLast }; /* EWMH atoms */ |
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enum { WMProtocols, WMDelete, WMName, WMState, WMLast };/* default atoms */ |
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|
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/* typedefs */ |
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typedef struct Client Client; |
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struct Client { |
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char name[256]; |
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int x, y, w, h; |
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int rx, ry, rw, rh; /* revert geometry */ |
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int basew, baseh, incw, inch, maxw, maxh, minw, minh; |
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int minax, maxax, minay, maxay; |
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long flags; |
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unsigned int border, oldborder; |
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Bool isbanned, isfixed, ismax, isfloating; |
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Bool *tags; |
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Client *next; |
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Client *prev; |
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Client *snext; |
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Window win; |
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}; |
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typedef struct { |
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int x, y, w, h; |
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unsigned long norm[ColLast]; |
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unsigned long sel[ColLast]; |
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Drawable drawable; |
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GC gc; |
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struct { |
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int ascent; |
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int descent; |
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int height; |
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XFontSet set; |
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XFontStruct *xfont; |
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} font; |
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} DC; /* draw context */ |
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typedef struct { |
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unsigned long mod; |
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KeySym keysym; |
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void (*func)(const char *arg); |
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const char *arg; |
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} Key; |
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typedef struct { |
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const char *symbol; |
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void (*arrange)(void); |
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} Layout; |
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typedef struct { |
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const char *prop; |
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const char *tags; |
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Bool isfloating; |
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} Rule; |
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typedef struct { |
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regex_t *propregex; |
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regex_t *tagregex; |
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} Regs; |
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|
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/* functions */ |
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static void eprint(const char *errstr, ...); |
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static void *emallocz(unsigned int size); |
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static void spawn(const char *arg); |
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static void drawsquare(Bool filled, Bool empty, unsigned long col[ColLast]); |
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static unsigned long initcolor(const char *colstr); |
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static void initfont(const char *fontstr); |
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static Bool isoccupied(unsigned int t); |
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static unsigned int textnw(const char *text, unsigned int len); |
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static void drawtext(const char *text, unsigned long col[ColLast]); |
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static void drawbar(void); |
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static void initstyle(void); |
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static void initbar(void); |
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static unsigned int textw(const char *text); |
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static void togglebar(const char *arg); |
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static void updatebarpos(void); |
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static void attachstack(Client *c); |
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static void detachstack(Client *c); |
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static void grabbuttons(Client *c, Bool focused); |
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static Bool isprotodel(Client *c); |
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static void setclientstate(Client *c, long state); |
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static int xerrordummy(Display *dsply, XErrorEvent *ee); |
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static void ban(Client *c); |
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static void configure(Client *c); |
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static void killclient(const char *arg); |
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static void manage(Window w, XWindowAttributes *wa); |
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static void resize(Client *c, int x, int y, int w, int h, Bool sizehints); |
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static void unban(Client *c); |
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static void unmanage(Client *c); |
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static void updatesizehints(Client *c); |
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static void updatetitle(Client *c); |
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static Client *getclient(Window w); |
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static void movemouse(Client *c); |
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static void resizemouse(Client *c); |
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static void buttonpress(XEvent *e); |
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static void configurerequest(XEvent *e); |
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static void configurenotify(XEvent *e); |
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static void destroynotify(XEvent *e); |
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static void enternotify(XEvent *e); |
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static void expose(XEvent *e); |
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static void keypress(XEvent *e); |
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static void leavenotify(XEvent *e); |
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static void mappingnotify(XEvent *e); |
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static void maprequest(XEvent *e); |
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static void propertynotify(XEvent *e); |
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static void unmapnotify(XEvent *e); |
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static void grabkeys(void); |
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static unsigned int idxoftag(const char *tag); |
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static void floating(void); /* default floating layout */ |
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static void applyrules(Client *c); |
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static void compileregs(void); |
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static void focusnext(const char *arg); |
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static void focusprev(const char *arg); |
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static void initlayouts(void); |
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static Bool isfloating(void); |
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static Bool isvisible(Client *c); |
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static void restack(void); |
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static void setlayout(const char *arg); |
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static void tag(const char *arg); |
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static void togglefloating(const char *arg); |
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static void togglemax(const char *arg); |
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static void toggletag(const char *arg); |
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static void toggleview(const char *arg); |
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static void view(const char *arg); |
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static void cleanup(void); |
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static long getstate(Window w); |
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static void scan(void); |
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static void setup(void); |
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static int xerrorstart(Display *dsply, XErrorEvent *ee); |
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static Bool gettextprop(Window w, Atom atom, char *text, unsigned int size); |
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static void quit(const char *arg); |
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static int xerror(Display *dpy, XErrorEvent *ee); |
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static void arrange(void); |
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static void attach(Client *c); |
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static void detach(Client *c); |
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static void focus(Client *c); |
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static Bool isarrange(void (*func)()); |
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static Client *nexttiled(Client *c); |
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static void setmwfact(const char *arg); |
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static void tile(void); |
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static void zoom(const char *arg); |
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#include "config.h" |
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|
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/* variables */ |
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static char stext[256]; |
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static double mwfact = MWFACT; |
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static int screen, sx, sy, sw, sh, wax, way, waw, wah; |
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static int (*xerrorxlib)(Display *, XErrorEvent *); |
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static unsigned int bh; |
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static unsigned int blw = 0; |
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static unsigned int bpos = BARPOS; |
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static unsigned int ltidx = 0; /* default */ |
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static unsigned int nlayouts = 0; |
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static unsigned int nrules = 0; |
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static unsigned int ntags; |
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static unsigned int numlockmask = 0; |
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static void (*handler[LASTEvent]) (XEvent *) = { |
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[ButtonPress] = buttonpress, |
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[ConfigureRequest] = configurerequest, |
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[ConfigureNotify] = configurenotify, |
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[DestroyNotify] = destroynotify, |
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[EnterNotify] = enternotify, |
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[LeaveNotify] = leavenotify, |
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[Expose] = expose, |
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[KeyPress] = keypress, |
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[MappingNotify] = mappingnotify, |
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[MapRequest] = maprequest, |
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[PropertyNotify] = propertynotify, |
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[UnmapNotify] = unmapnotify |
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}; |
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static Atom wmatom[WMLast], netatom[NetLast]; |
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static Bool otherwm, readin; |
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static Bool running = True; |
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static Bool *seltags; |
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static Bool selscreen = True; |
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static Client *clients = NULL; |
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static Client *sel = NULL; |
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static Client *stack = NULL; |
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static Cursor cursor[CurLast]; |
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static Display *dpy; |
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static DC dc = {0}; |
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static Window barwin, root; |
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static Regs *regs = NULL; |
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static void |
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eprint(const char *errstr, ...) { |
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va_list ap; |
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va_start(ap, errstr); |
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vfprintf(stderr, errstr, ap); |
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va_end(ap); |
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exit(EXIT_FAILURE); |
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} |
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static void * |
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emallocz(unsigned int size) { |
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void *res = calloc(1, size); |
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if(!res) |
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eprint("fatal: could not malloc() %u bytes\n", size); |
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return res; |
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} |
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static void |
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spawn(const char *arg) { |
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static char *shell = NULL; |
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if(!shell && !(shell = getenv("SHELL"))) |
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shell = "/bin/sh"; |
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if(!arg) |
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return; |
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/* The double-fork construct avoids zombie processes and keeps the code |
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* clean from stupid signal handlers. */ |
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if(fork() == 0) { |
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if(fork() == 0) { |
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if(dpy) |
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close(ConnectionNumber(dpy)); |
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setsid(); |
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execl(shell, shell, "-c", arg, (char *)NULL); |
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fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg); |
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perror(" failed"); |
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} |
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exit(0); |
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} |
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wait(0); |
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} |
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static void |
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drawsquare(Bool filled, Bool empty, unsigned long col[ColLast]) { |
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int x; |
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XGCValues gcv; |
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XRectangle r = { dc.x, dc.y, dc.w, dc.h }; |
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gcv.foreground = col[ColFG]; |
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XChangeGC(dpy, dc.gc, GCForeground, &gcv); |
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x = (dc.font.ascent + dc.font.descent + 2) / 4; |
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r.x = dc.x + 1; |
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r.y = dc.y + 1; |
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if(filled) { |
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r.width = r.height = x + 1; |
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XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); |
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} |
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else if(empty) { |
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r.width = r.height = x; |
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XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1); |
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} |
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} |
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static unsigned long |
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initcolor(const char *colstr) { |
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Colormap cmap = DefaultColormap(dpy, screen); |
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XColor color; |
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if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color)) |
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eprint("error, cannot allocate color '%s'\n", colstr); |
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return color.pixel; |
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} |
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static void |
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initfont(const char *fontstr) { |
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char *def, **missing; |
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int i, n; |
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missing = NULL; |
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if(dc.font.set) |
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XFreeFontSet(dpy, dc.font.set); |
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dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def); |
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if(missing) { |
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while(n--) |
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fprintf(stderr, "dwm: missing fontset: %s\n", missing[n]); |
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XFreeStringList(missing); |
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} |
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if(dc.font.set) { |
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XFontSetExtents *font_extents; |
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XFontStruct **xfonts; |
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char **font_names; |
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dc.font.ascent = dc.font.descent = 0; |
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font_extents = XExtentsOfFontSet(dc.font.set); |
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n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names); |
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for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) { |
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if(dc.font.ascent < (*xfonts)->ascent) |
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dc.font.ascent = (*xfonts)->ascent; |
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if(dc.font.descent < (*xfonts)->descent) |
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dc.font.descent = (*xfonts)->descent; |
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xfonts++; |
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} |
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} |
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else { |
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if(dc.font.xfont) |
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XFreeFont(dpy, dc.font.xfont); |
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dc.font.xfont = NULL; |
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if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)) |
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|| !(dc.font.xfont = XLoadQueryFont(dpy, "fixed"))) |
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eprint("error, cannot load font: '%s'\n", fontstr); |
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dc.font.ascent = dc.font.xfont->ascent; |
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dc.font.descent = dc.font.xfont->descent; |
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} |
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dc.font.height = dc.font.ascent + dc.font.descent; |
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} |
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static Bool |
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isoccupied(unsigned int t) { |
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Client *c; |
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for(c = clients; c; c = c->next) |
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if(c->tags[t]) |
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return True; |
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return False; |
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} |
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static unsigned int |
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textnw(const char *text, unsigned int len) { |
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XRectangle r; |
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if(dc.font.set) { |
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XmbTextExtents(dc.font.set, text, len, NULL, &r); |
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return r.width; |
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} |
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return XTextWidth(dc.font.xfont, text, len); |
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} |
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static void |
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drawtext(const char *text, unsigned long col[ColLast]) { |
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int x, y, w, h; |
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static char buf[256]; |
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unsigned int len, olen; |
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XRectangle r = { dc.x, dc.y, dc.w, dc.h }; |
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XSetForeground(dpy, dc.gc, col[ColBG]); |
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XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); |
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if(!text) |
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return; |
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w = 0; |
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olen = len = strlen(text); |
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if(len >= sizeof buf) |
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len = sizeof buf - 1; |
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memcpy(buf, text, len); |
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buf[len] = 0; |
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h = dc.font.ascent + dc.font.descent; |
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y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent; |
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x = dc.x + (h / 2); |
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/* shorten text if necessary */ |
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while(len && (w = textnw(buf, len)) > dc.w - h) |
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buf[--len] = 0; |
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if(len < olen) { |
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if(len > 1) |
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buf[len - 1] = '.'; |
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if(len > 2) |
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buf[len - 2] = '.'; |
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if(len > 3) |
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buf[len - 3] = '.'; |
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} |
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if(w > dc.w) |
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return; /* too long */ |
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XSetForeground(dpy, dc.gc, col[ColFG]); |
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if(dc.font.set) |
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XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len); |
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else |
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XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len); |
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} |
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static void |
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drawbar(void) { |
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int i, x; |
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|
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dc.x = dc.y = 0; |
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for(i = 0; i < ntags; i++) { |
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dc.w = textw(tags[i]); |
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if(seltags[i]) { |
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drawtext(tags[i], dc.sel); |
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drawsquare(sel && sel->tags[i], isoccupied(i), dc.sel); |
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} |
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else { |
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drawtext(tags[i], dc.norm); |
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drawsquare(sel && sel->tags[i], isoccupied(i), dc.norm); |
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} |
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dc.x += dc.w; |
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} |
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dc.w = blw; |
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drawtext(layouts[ltidx].symbol, dc.norm); |
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x = dc.x + dc.w; |
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dc.w = textw(stext); |
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dc.x = sw - dc.w; |
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if(dc.x < x) { |
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dc.x = x; |
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dc.w = sw - x; |
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} |
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drawtext(stext, dc.norm); |
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if((dc.w = dc.x - x) > bh) { |
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dc.x = x; |
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if(sel) { |
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drawtext(sel->name, dc.sel); |
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drawsquare(sel->ismax, sel->isfloating, dc.sel); |
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} |
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else |
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drawtext(NULL, dc.norm); |
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} |
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XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, sw, bh, 0, 0); |
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XSync(dpy, False); |
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} |
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static void |
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initstyle(void) { |
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dc.norm[ColBorder] = initcolor(NORMBORDERCOLOR); |
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dc.norm[ColBG] = initcolor(NORMBGCOLOR); |
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dc.norm[ColFG] = initcolor(NORMFGCOLOR); |
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dc.sel[ColBorder] = initcolor(SELBORDERCOLOR); |
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dc.sel[ColBG] = initcolor(SELBGCOLOR); |
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dc.sel[ColFG] = initcolor(SELFGCOLOR); |
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initfont(FONT); |
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dc.h = bh = dc.font.height + 2; |
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} |
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static void |
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initbar(void) { |
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XSetWindowAttributes wa; |
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|
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wa.override_redirect = 1; |
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wa.background_pixmap = ParentRelative; |
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wa.event_mask = ButtonPressMask | ExposureMask; |
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barwin = XCreateWindow(dpy, root, sx, sy, sw, bh, 0, |
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DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen), |
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CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); |
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XDefineCursor(dpy, barwin, cursor[CurNormal]); |
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updatebarpos(); |
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XMapRaised(dpy, barwin); |
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strcpy(stext, "dwm-"VERSION); |
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dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen)); |
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dc.gc = XCreateGC(dpy, root, 0, 0); |
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XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter); |
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if(!dc.font.set) |
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XSetFont(dpy, dc.gc, dc.font.xfont->fid); |
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} |
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|
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static unsigned int |
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textw(const char *text) { |
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return textnw(text, strlen(text)) + dc.font.height; |
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} |
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|
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static void |
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togglebar(const char *arg) { |
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if(bpos == BarOff) |
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bpos = (BARPOS == BarOff) ? BarTop : BARPOS; |
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else |
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bpos = BarOff; |
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updatebarpos(); |
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arrange(); |
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} |
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|
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static void |
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updatebarpos(void) { |
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XEvent ev; |
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|
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wax = sx; |
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way = sy; |
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wah = sh; |
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waw = sw; |
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switch(bpos) { |
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default: |
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wah -= bh; |
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way += bh; |
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XMoveWindow(dpy, barwin, sx, sy); |
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break; |
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case BarBot: |
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wah -= bh; |
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XMoveWindow(dpy, barwin, sx, sy + wah); |
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break; |
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case BarOff: |
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XMoveWindow(dpy, barwin, sx, sy - bh); |
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break; |
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} |
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XSync(dpy, False); |
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while(XCheckMaskEvent(dpy, EnterWindowMask, &ev)); |
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} |
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|
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static void |
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attachstack(Client *c) { |
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c->snext = stack; |
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stack = c; |
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} |
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|
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static void |
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detachstack(Client *c) { |
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Client **tc; |
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|
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for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext); |
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*tc = c->snext; |
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} |
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|
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static void |
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grabbuttons(Client *c, Bool focused) { |
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XUngrabButton(dpy, AnyButton, AnyModifier, c->win); |
|
|
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if(focused) { |
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XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK, |
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GrabModeAsync, GrabModeSync, None, None); |
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XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK, |
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GrabModeAsync, GrabModeSync, None, None); |
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XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK, |
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GrabModeAsync, GrabModeSync, None, None); |
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XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK, |
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GrabModeAsync, GrabModeSync, None, None); |
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|
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XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK, |
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GrabModeAsync, GrabModeSync, None, None); |
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XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK, |
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GrabModeAsync, GrabModeSync, None, None); |
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XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK, |
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GrabModeAsync, GrabModeSync, None, None); |
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XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK, |
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GrabModeAsync, GrabModeSync, None, None); |
|
|
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XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK, |
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GrabModeAsync, GrabModeSync, None, None); |
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XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK, |
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GrabModeAsync, GrabModeSync, None, None); |
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XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK, |
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GrabModeAsync, GrabModeSync, None, None); |
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XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK, |
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GrabModeAsync, GrabModeSync, None, None); |
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} |
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else |
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XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK, |
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GrabModeAsync, GrabModeSync, None, None); |
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} |
|
|
|
static Bool |
|
isprotodel(Client *c) { |
|
int i, n; |
|
Atom *protocols; |
|
Bool ret = False; |
|
|
|
if(XGetWMProtocols(dpy, c->win, &protocols, &n)) { |
|
for(i = 0; !ret && i < n; i++) |
|
if(protocols[i] == wmatom[WMDelete]) |
|
ret = True; |
|
XFree(protocols); |
|
} |
|
return ret; |
|
} |
|
|
|
static void |
|
setclientstate(Client *c, long state) { |
|
long data[] = {state, None}; |
|
|
|
XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32, |
|
PropModeReplace, (unsigned char *)data, 2); |
|
} |
|
|
|
static int |
|
xerrordummy(Display *dsply, XErrorEvent *ee) { |
|
return 0; |
|
} |
|
|
|
static void |
|
ban(Client *c) { |
|
if(c->isbanned) |
|
return; |
|
XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y); |
|
c->isbanned = True; |
|
} |
|
|
|
static void |
|
configure(Client *c) { |
|
XConfigureEvent ce; |
|
|
|
ce.type = ConfigureNotify; |
|
ce.display = dpy; |
|
ce.event = c->win; |
|
ce.window = c->win; |
|
ce.x = c->x; |
|
ce.y = c->y; |
|
ce.width = c->w; |
|
ce.height = c->h; |
|
ce.border_width = c->border; |
|
ce.above = None; |
|
ce.override_redirect = False; |
|
XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce); |
|
} |
|
|
|
static void |
|
killclient(const char *arg) { |
|
XEvent ev; |
|
|
|
if(!sel) |
|
return; |
|
if(isprotodel(sel)) { |
|
ev.type = ClientMessage; |
|
ev.xclient.window = sel->win; |
|
ev.xclient.message_type = wmatom[WMProtocols]; |
|
ev.xclient.format = 32; |
|
ev.xclient.data.l[0] = wmatom[WMDelete]; |
|
ev.xclient.data.l[1] = CurrentTime; |
|
XSendEvent(dpy, sel->win, False, NoEventMask, &ev); |
|
} |
|
else |
|
XKillClient(dpy, sel->win); |
|
} |
|
|
|
static void |
|
manage(Window w, XWindowAttributes *wa) { |
|
unsigned int i; |
|
Client *c, *t = NULL; |
|
Window trans; |
|
Status rettrans; |
|
XWindowChanges wc; |
|
|
|
c = emallocz(sizeof(Client)); |
|
c->tags = emallocz(ntags * sizeof(Bool)); |
|
c->win = w; |
|
c->x = wa->x; |
|
c->y = wa->y; |
|
c->w = wa->width; |
|
c->h = wa->height; |
|
c->oldborder = wa->border_width; |
|
if(c->w == sw && c->h == sh) { |
|
c->x = sx; |
|
c->y = sy; |
|
c->border = wa->border_width; |
|
} |
|
else { |
|
if(c->x + c->w + 2 * c->border > wax + waw) |
|
c->x = wax + waw - c->w - 2 * c->border; |
|
if(c->y + c->h + 2 * c->border > way + wah) |
|
c->y = way + wah - c->h - 2 * c->border; |
|
if(c->x < wax) |
|
c->x = wax; |
|
if(c->y < way) |
|
c->y = way; |
|
c->border = BORDERPX; |
|
} |
|
wc.border_width = c->border; |
|
XConfigureWindow(dpy, w, CWBorderWidth, &wc); |
|
XSetWindowBorder(dpy, w, dc.norm[ColBorder]); |
|
configure(c); /* propagates border_width, if size doesn't change */ |
|
updatesizehints(c); |
|
XSelectInput(dpy, w, |
|
StructureNotifyMask | PropertyChangeMask | EnterWindowMask); |
|
grabbuttons(c, False); |
|
updatetitle(c); |
|
if((rettrans = XGetTransientForHint(dpy, w, &trans) == Success)) |
|
for(t = clients; t && t->win != trans; t = t->next); |
|
if(t) |
|
for(i = 0; i < ntags; i++) |
|
c->tags[i] = t->tags[i]; |
|
applyrules(c); |
|
if(!c->isfloating) |
|
c->isfloating = (rettrans == Success) || c->isfixed; |
|
attach(c); |
|
attachstack(c); |
|
XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); /* some windows require this */ |
|
ban(c); |
|
XMapWindow(dpy, c->win); |
|
setclientstate(c, NormalState); |
|
arrange(); |
|
} |
|
|
|
static void |
|
resize(Client *c, int x, int y, int w, int h, Bool sizehints) { |
|
double dx, dy, max, min, ratio; |
|
XWindowChanges wc; |
|
|
|
if(sizehints) { |
|
if(c->minay > 0 && c->maxay > 0 && (h - c->baseh) > 0 && (w - c->basew) > 0) { |
|
dx = (double)(w - c->basew); |
|
dy = (double)(h - c->baseh); |
|
min = (double)(c->minax) / (double)(c->minay); |
|
max = (double)(c->maxax) / (double)(c->maxay); |
|
ratio = dx / dy; |
|
if(max > 0 && min > 0 && ratio > 0) { |
|
if(ratio < min) { |
|
dy = (dx * min + dy) / (min * min + 1); |
|
dx = dy * min; |
|
w = (int)dx + c->basew; |
|
h = (int)dy + c->baseh; |
|
} |
|
else if(ratio > max) { |
|
dy = (dx * min + dy) / (max * max + 1); |
|
dx = dy * min; |
|
w = (int)dx + c->basew; |
|
h = (int)dy + c->baseh; |
|
} |
|
} |
|
} |
|
if(c->minw && w < c->minw) |
|
w = c->minw; |
|
if(c->minh && h < c->minh) |
|
h = c->minh; |
|
if(c->maxw && w > c->maxw) |
|
w = c->maxw; |
|
if(c->maxh && h > c->maxh) |
|
h = c->maxh; |
|
if(c->incw) |
|
w -= (w - c->basew) % c->incw; |
|
if(c->inch) |
|
h -= (h - c->baseh) % c->inch; |
|
} |
|
if(w <= 0 || h <= 0) |
|
return; |
|
/* offscreen appearance fixes */ |
|
if(x > sw) |
|
x = sw - w - 2 * c->border; |
|
if(y > sh) |
|
y = sh - h - 2 * c->border; |
|
if(x + w + 2 * c->border < sx) |
|
x = sx; |
|
if(y + h + 2 * c->border < sy) |
|
y = sy; |
|
if(c->x != x || c->y != y || c->w != w || c->h != h) { |
|
c->x = wc.x = x; |
|
c->y = wc.y = y; |
|
c->w = wc.width = w; |
|
c->h = wc.height = h; |
|
wc.border_width = c->border; |
|
XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc); |
|
configure(c); |
|
XSync(dpy, False); |
|
} |
|
} |
|
|
|
static void |
|
unban(Client *c) { |
|
if(!c->isbanned) |
|
return; |
|
XMoveWindow(dpy, c->win, c->x, c->y); |
|
c->isbanned = False; |
|
} |
|
|
|
static void |
|
unmanage(Client *c) { |
|
XWindowChanges wc; |
|
|
|
wc.border_width = c->oldborder; |
|
/* The server grab construct avoids race conditions. */ |
|
XGrabServer(dpy); |
|
XSetErrorHandler(xerrordummy); |
|
XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */ |
|
detach(c); |
|
detachstack(c); |
|
if(sel == c) |
|
focus(NULL); |
|
XUngrabButton(dpy, AnyButton, AnyModifier, c->win); |
|
setclientstate(c, WithdrawnState); |
|
free(c->tags); |
|
free(c); |
|
XSync(dpy, False); |
|
XSetErrorHandler(xerror); |
|
XUngrabServer(dpy); |
|
arrange(); |
|
} |
|
|
|
static void |
|
updatesizehints(Client *c) { |
|
long msize; |
|
XSizeHints size; |
|
|
|
if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags) |
|
size.flags = PSize; |
|
c->flags = size.flags; |
|
if(c->flags & PBaseSize) { |
|
c->basew = size.base_width; |
|
c->baseh = size.base_height; |
|
} |
|
else if(c->flags & PMinSize) { |
|
c->basew = size.min_width; |
|
c->baseh = size.min_height; |
|
} |
|
else |
|
c->basew = c->baseh = 0; |
|
if(c->flags & PResizeInc) { |
|
c->incw = size.width_inc; |
|
c->inch = size.height_inc; |
|
} |
|
else |
|
c->incw = c->inch = 0; |
|
if(c->flags & PMaxSize) { |
|
c->maxw = size.max_width; |
|
c->maxh = size.max_height; |
|
} |
|
else |
|
c->maxw = c->maxh = 0; |
|
if(c->flags & PMinSize) { |
|
c->minw = size.min_width; |
|
c->minh = size.min_height; |
|
} |
|
else if(c->flags & PBaseSize) { |
|
c->minw = size.base_width; |
|
c->minh = size.base_height; |
|
} |
|
else |
|
c->minw = c->minh = 0; |
|
if(c->flags & PAspect) { |
|
c->minax = size.min_aspect.x; |
|
c->maxax = size.max_aspect.x; |
|
c->minay = size.min_aspect.y; |
|
c->maxay = size.max_aspect.y; |
|
} |
|
else |
|
c->minax = c->maxax = c->minay = c->maxay = 0; |
|
c->isfixed = (c->maxw && c->minw && c->maxh && c->minh |
|
&& c->maxw == c->minw && c->maxh == c->minh); |
|
} |
|
|
|
static void |
|
updatetitle(Client *c) { |
|
if(!gettextprop(c->win, netatom[NetWMName], c->name, sizeof c->name)) |
|
gettextprop(c->win, wmatom[WMName], c->name, sizeof c->name); |
|
} |
|
|
|
static Client * |
|
getclient(Window w) { |
|
Client *c; |
|
|
|
for(c = clients; c && c->win != w; c = c->next); |
|
return c; |
|
} |
|
|
|
static void |
|
movemouse(Client *c) { |
|
int x1, y1, ocx, ocy, di, nx, ny; |
|
unsigned int dui; |
|
Window dummy; |
|
XEvent ev; |
|
|
|
ocx = nx = c->x; |
|
ocy = ny = c->y; |
|
if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, |
|
None, cursor[CurMove], CurrentTime) != GrabSuccess) |
|
return; |
|
c->ismax = False; |
|
XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui); |
|
for(;;) { |
|
XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev); |
|
switch (ev.type) { |
|
case ButtonRelease: |
|
XUngrabPointer(dpy, CurrentTime); |
|
return; |
|
case ConfigureRequest: |
|
case Expose: |
|
case MapRequest: |
|
handler[ev.type](&ev); |
|
break; |
|
case MotionNotify: |
|
XSync(dpy, False); |
|
nx = ocx + (ev.xmotion.x - x1); |
|
ny = ocy + (ev.xmotion.y - y1); |
|
if(abs(wax + nx) < SNAP) |
|
nx = wax; |
|
else if(abs((wax + waw) - (nx + c->w + 2 * c->border)) < SNAP) |
|
nx = wax + waw - c->w - 2 * c->border; |
|
if(abs(way - ny) < SNAP) |
|
ny = way; |
|
else if(abs((way + wah) - (ny + c->h + 2 * c->border)) < SNAP) |
|
ny = way + wah - c->h - 2 * c->border; |
|
resize(c, nx, ny, c->w, c->h, False); |
|
break; |
|
} |
|
} |
|
} |
|
|
|
static void |
|
resizemouse(Client *c) { |
|
int ocx, ocy; |
|
int nw, nh; |
|
XEvent ev; |
|
|
|
ocx = c->x; |
|
ocy = c->y; |
|
if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, |
|
None, cursor[CurResize], CurrentTime) != GrabSuccess) |
|
return; |
|
c->ismax = False; |
|
XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->border - 1, c->h + c->border - 1); |
|
for(;;) { |
|
XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask , &ev); |
|
switch(ev.type) { |
|
case ButtonRelease: |
|
XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, |
|
c->w + c->border - 1, c->h + c->border - 1); |
|
XUngrabPointer(dpy, CurrentTime); |
|
while(XCheckMaskEvent(dpy, EnterWindowMask, &ev)); |
|
return; |
|
case ConfigureRequest: |
|
case Expose: |
|
case MapRequest: |
|
handler[ev.type](&ev); |
|
break; |
|
case MotionNotify: |
|
XSync(dpy, False); |
|
if((nw = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0) |
|
nw = 1; |
|
if((nh = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0) |
|
nh = 1; |
|
resize(c, c->x, c->y, nw, nh, True); |
|
break; |
|
} |
|
} |
|
} |
|
|
|
static void |
|
buttonpress(XEvent *e) { |
|
unsigned int i, x; |
|
Client *c; |
|
XButtonPressedEvent *ev = &e->xbutton; |
|
|
|
if(barwin == ev->window) { |
|
x = 0; |
|
for(i = 0; i < ntags; i++) { |
|
x += textw(tags[i]); |
|
if(ev->x < x) { |
|
if(ev->button == Button1) { |
|
if(ev->state & MODKEY) |
|
tag(tags[i]); |
|
else |
|
view(tags[i]); |
|
} |
|
else if(ev->button == Button3) { |
|
if(ev->state & MODKEY) |
|
toggletag(tags[i]); |
|
else |
|
toggleview(tags[i]); |
|
} |
|
return; |
|
} |
|
} |
|
if((ev->x < x + blw) && ev->button == Button1) |
|
setlayout(NULL); |
|
} |
|
else if((c = getclient(ev->window))) { |
|
focus(c); |
|
if(CLEANMASK(ev->state) != MODKEY) |
|
return; |
|
if(ev->button == Button1 && (isfloating() || c->isfloating)) { |
|
restack(); |
|
movemouse(c); |
|
} |
|
else if(ev->button == Button2) |
|
zoom(NULL); |
|
else if(ev->button == Button3 |
|
&& (isfloating() || c->isfloating) && !c->isfixed) |
|
{ |
|
restack(); |
|
resizemouse(c); |
|
} |
|
} |
|
} |
|
|
|
static void |
|
configurerequest(XEvent *e) { |
|
Client *c; |
|
XConfigureRequestEvent *ev = &e->xconfigurerequest; |
|
XWindowChanges wc; |
|
|
|
if((c = getclient(ev->window))) { |
|
c->ismax = False; |
|
if(ev->value_mask & CWBorderWidth) |
|
c->border = ev->border_width; |
|
if(c->isfixed || c->isfloating || isfloating()) { |
|
if(ev->value_mask & CWX) |
|
c->x = ev->x; |
|
if(ev->value_mask & CWY) |
|
c->y = ev->y; |
|
if(ev->value_mask & CWWidth) |
|
c->w = ev->width; |
|
if(ev->value_mask & CWHeight) |
|
c->h = ev->height; |
|
if((c->x + c->w) > sw && c->isfloating) |
|
c->x = sw / 2 - c->w / 2; /* center in x direction */ |
|
if((c->y + c->h) > sh && c->isfloating) |
|
c->y = sh / 2 - c->h / 2; /* center in y direction */ |
|
if((ev->value_mask & (CWX | CWY)) |
|
&& !(ev->value_mask & (CWWidth | CWHeight))) |
|
configure(c); |
|
if(isvisible(c)) |
|
XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); |
|
} |
|
else |
|
configure(c); |
|
} |
|
else { |
|
wc.x = ev->x; |
|
wc.y = ev->y; |
|
wc.width = ev->width; |
|
wc.height = ev->height; |
|
wc.border_width = ev->border_width; |
|
wc.sibling = ev->above; |
|
wc.stack_mode = ev->detail; |
|
XConfigureWindow(dpy, ev->window, ev->value_mask, &wc); |
|
} |
|
XSync(dpy, False); |
|
} |
|
|
|
static void |
|
configurenotify(XEvent *e) { |
|
XConfigureEvent *ev = &e->xconfigure; |
|
|
|
if (ev->window == root && (ev->width != sw || ev->height != sh)) { |
|
sw = ev->width; |
|
sh = ev->height; |
|
XFreePixmap(dpy, dc.drawable); |
|
dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen)); |
|
XResizeWindow(dpy, barwin, sw, bh); |
|
updatebarpos(); |
|
arrange(); |
|
} |
|
} |
|
|
|
static void |
|
destroynotify(XEvent *e) { |
|
Client *c; |
|
XDestroyWindowEvent *ev = &e->xdestroywindow; |
|
|
|
if((c = getclient(ev->window))) |
|
unmanage(c); |
|
} |
|
|
|
static void |
|
enternotify(XEvent *e) { |
|
Client *c; |
|
XCrossingEvent *ev = &e->xcrossing; |
|
|
|
if(ev->mode != NotifyNormal || ev->detail == NotifyInferior) |
|
return; |
|
if((c = getclient(ev->window))) |
|
focus(c); |
|
else if(ev->window == root) { |
|
selscreen = True; |
|
focus(NULL); |
|
} |
|
} |
|
|
|
static void |
|
expose(XEvent *e) { |
|
XExposeEvent *ev = &e->xexpose; |
|
|
|
if(ev->count == 0) { |
|
if(barwin == ev->window) |
|
drawbar(); |
|
} |
|
} |
|
|
|
static void |
|
keypress(XEvent *e) { |
|
KEYS |
|
unsigned int len = sizeof keys / sizeof keys[0]; |
|
unsigned int i; |
|
KeySym keysym; |
|
XKeyEvent *ev = &e->xkey; |
|
|
|
keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0); |
|
for(i = 0; i < len; i++) |
|
if(keysym == keys[i].keysym |
|
&& CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)) |
|
{ |
|
if(keys[i].func) |
|
keys[i].func(keys[i].arg); |
|
} |
|
} |
|
|
|
static void |
|
leavenotify(XEvent *e) { |
|
XCrossingEvent *ev = &e->xcrossing; |
|
|
|
if((ev->window == root) && !ev->same_screen) { |
|
selscreen = False; |
|
focus(NULL); |
|
} |
|
} |
|
|
|
static void |
|
mappingnotify(XEvent *e) { |
|
XMappingEvent *ev = &e->xmapping; |
|
|
|
XRefreshKeyboardMapping(ev); |
|
if(ev->request == MappingKeyboard) |
|
grabkeys(); |
|
} |
|
|
|
static void |
|
maprequest(XEvent *e) { |
|
static XWindowAttributes wa; |
|
XMapRequestEvent *ev = &e->xmaprequest; |
|
|
|
if(!XGetWindowAttributes(dpy, ev->window, &wa)) |
|
return; |
|
if(wa.override_redirect) |
|
return; |
|
if(!getclient(ev->window)) |
|
manage(ev->window, &wa); |
|
} |
|
|
|
static void |
|
propertynotify(XEvent *e) { |
|
Client *c; |
|
Window trans; |
|
XPropertyEvent *ev = &e->xproperty; |
|
|
|
if(ev->state == PropertyDelete) |
|
return; /* ignore */ |
|
if((c = getclient(ev->window))) { |
|
switch (ev->atom) { |
|
default: break; |
|
case XA_WM_TRANSIENT_FOR: |
|
XGetTransientForHint(dpy, c->win, &trans); |
|
if(!c->isfloating && (c->isfloating = (getclient(trans) != NULL))) |
|
arrange(); |
|
break; |
|
case XA_WM_NORMAL_HINTS: |
|
updatesizehints(c); |
|
break; |
|
} |
|
if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) { |
|
updatetitle(c); |
|
if(c == sel) |
|
drawbar(); |
|
} |
|
} |
|
} |
|
|
|
static void |
|
unmapnotify(XEvent *e) { |
|
Client *c; |
|
XUnmapEvent *ev = &e->xunmap; |
|
|
|
if((c = getclient(ev->window))) |
|
unmanage(c); |
|
} |
|
|
|
static void |
|
grabkeys(void) { |
|
KEYS |
|
unsigned int len = sizeof keys / sizeof keys[0]; |
|
unsigned int i; |
|
KeyCode code; |
|
|
|
XUngrabKey(dpy, AnyKey, AnyModifier, root); |
|
for(i = 0; i < len; i++) { |
|
code = XKeysymToKeycode(dpy, keys[i].keysym); |
|
XGrabKey(dpy, code, keys[i].mod, root, True, |
|
GrabModeAsync, GrabModeAsync); |
|
XGrabKey(dpy, code, keys[i].mod | LockMask, root, True, |
|
GrabModeAsync, GrabModeAsync); |
|
XGrabKey(dpy, code, keys[i].mod | numlockmask, root, True, |
|
GrabModeAsync, GrabModeAsync); |
|
XGrabKey(dpy, code, keys[i].mod | numlockmask | LockMask, root, True, |
|
GrabModeAsync, GrabModeAsync); |
|
} |
|
} |
|
|
|
static unsigned int |
|
idxoftag(const char *tag) { |
|
unsigned int i; |
|
|
|
for(i = 0; i < ntags; i++) |
|
if(tags[i] == tag) |
|
return i; |
|
return 0; |
|
} |
|
|
|
static void |
|
floating(void) { /* default floating layout */ |
|
Client *c; |
|
|
|
for(c = clients; c; c = c->next) |
|
if(isvisible(c)) |
|
resize(c, c->x, c->y, c->w, c->h, True); |
|
} |
|
|
|
static void |
|
applyrules(Client *c) { |
|
static char buf[512]; |
|
unsigned int i, j; |
|
regmatch_t tmp; |
|
Bool matched = False; |
|
XClassHint ch = { 0 }; |
|
|
|
/* rule matching */ |
|
XGetClassHint(dpy, c->win, &ch); |
|
snprintf(buf, sizeof buf, "%s:%s:%s", |
|
ch.res_class ? ch.res_class : "", |
|
ch.res_name ? ch.res_name : "", c->name); |
|
for(i = 0; i < nrules; i++) |
|
if(regs[i].propregex && !regexec(regs[i].propregex, buf, 1, &tmp, 0)) { |
|
c->isfloating = rules[i].isfloating; |
|
for(j = 0; regs[i].tagregex && j < ntags; j++) { |
|
if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) { |
|
matched = True; |
|
c->tags[j] = True; |
|
} |
|
} |
|
} |
|
if(ch.res_class) |
|
XFree(ch.res_class); |
|
if(ch.res_name) |
|
XFree(ch.res_name); |
|
if(!matched) |
|
for(i = 0; i < ntags; i++) |
|
c->tags[i] = seltags[i]; |
|
} |
|
|
|
static void |
|
compileregs(void) { |
|
unsigned int i; |
|
regex_t *reg; |
|
|
|
if(regs) |
|
return; |
|
nrules = sizeof rules / sizeof rules[0]; |
|
regs = emallocz(nrules * sizeof(Regs)); |
|
for(i = 0; i < nrules; i++) { |
|
if(rules[i].prop) { |
|
reg = emallocz(sizeof(regex_t)); |
|
if(regcomp(reg, rules[i].prop, REG_EXTENDED)) |
|
free(reg); |
|
else |
|
regs[i].propregex = reg; |
|
} |
|
if(rules[i].tags) { |
|
reg = emallocz(sizeof(regex_t)); |
|
if(regcomp(reg, rules[i].tags, REG_EXTENDED)) |
|
free(reg); |
|
else |
|
regs[i].tagregex = reg; |
|
} |
|
} |
|
} |
|
|
|
static void |
|
focusnext(const char *arg) { |
|
Client *c; |
|
|
|
if(!sel) |
|
return; |
|
for(c = sel->next; c && !isvisible(c); c = c->next); |
|
if(!c) |
|
for(c = clients; c && !isvisible(c); c = c->next); |
|
if(c) { |
|
focus(c); |
|
restack(); |
|
} |
|
} |
|
|
|
static void |
|
focusprev(const char *arg) { |
|
Client *c; |
|
|
|
if(!sel) |
|
return; |
|
for(c = sel->prev; c && !isvisible(c); c = c->prev); |
|
if(!c) { |
|
for(c = clients; c && c->next; c = c->next); |
|
for(; c && !isvisible(c); c = c->prev); |
|
} |
|
if(c) { |
|
focus(c); |
|
restack(); |
|
} |
|
} |
|
|
|
static void |
|
initlayouts(void) { |
|
unsigned int i, w; |
|
|
|
nlayouts = sizeof layouts / sizeof layouts[0]; |
|
for(blw = i = 0; i < nlayouts; i++) { |
|
w = textw(layouts[i].symbol); |
|
if(w > blw) |
|
blw = w; |
|
} |
|
} |
|
|
|
static Bool |
|
isfloating(void) { |
|
return layouts[ltidx].arrange == floating; |
|
} |
|
|
|
static Bool |
|
isvisible(Client *c) { |
|
unsigned int i; |
|
|
|
for(i = 0; i < ntags; i++) |
|
if(c->tags[i] && seltags[i]) |
|
return True; |
|
return False; |
|
} |
|
|
|
static void |
|
restack(void) { |
|
Client *c; |
|
XEvent ev; |
|
XWindowChanges wc; |
|
|
|
drawbar(); |
|
if(!sel) |
|
return; |
|
if(sel->isfloating || isfloating()) |
|
XRaiseWindow(dpy, sel->win); |
|
if(!isfloating()) { |
|
wc.stack_mode = Below; |
|
wc.sibling = barwin; |
|
if(!sel->isfloating) { |
|
XConfigureWindow(dpy, sel->win, CWSibling | CWStackMode, &wc); |
|
wc.sibling = sel->win; |
|
} |
|
for(c = nexttiled(clients); c; c = nexttiled(c->next)) { |
|
if(c == sel) |
|
continue; |
|
XConfigureWindow(dpy, c->win, CWSibling | CWStackMode, &wc); |
|
wc.sibling = c->win; |
|
} |
|
} |
|
XSync(dpy, False); |
|
while(XCheckMaskEvent(dpy, EnterWindowMask, &ev)); |
|
} |
|
|
|
static void |
|
setlayout(const char *arg) { |
|
unsigned int i; |
|
|
|
if(!arg) { |
|
if(++ltidx == nlayouts) |
|
ltidx = 0;; |
|
} |
|
else { |
|
for(i = 0; i < nlayouts; i++) |
|
if(!strcmp(arg, layouts[i].symbol)) |
|
break; |
|
if(i == nlayouts) |
|
return; |
|
ltidx = i; |
|
} |
|
if(sel) |
|
arrange(); |
|
else |
|
drawbar(); |
|
} |
|
|
|
static void |
|
tag(const char *arg) { |
|
unsigned int i; |
|
|
|
if(!sel) |
|
return; |
|
for(i = 0; i < ntags; i++) |
|
sel->tags[i] = arg == NULL; |
|
i = idxoftag(arg); |
|
if(i >= 0 && i < ntags) |
|
sel->tags[i] = True; |
|
arrange(); |
|
} |
|
|
|
static void |
|
togglefloating(const char *arg) { |
|
if(!sel) |
|
return; |
|
sel->isfloating = !sel->isfloating; |
|
if(sel->isfloating) |
|
resize(sel, sel->x, sel->y, sel->w, sel->h, True); |
|
arrange(); |
|
} |
|
|
|
static void |
|
togglemax(const char *arg) { |
|
XEvent ev; |
|
|
|
if(!sel || (!isfloating() && !sel->isfloating) || sel->isfixed) |
|
return; |
|
if((sel->ismax = !sel->ismax)) { |
|
sel->rx = sel->x; |
|
sel->ry = sel->y; |
|
sel->rw = sel->w; |
|
sel->rh = sel->h; |
|
resize(sel, wax, way, waw - 2 * sel->border, wah - 2 * sel->border, True); |
|
} |
|
else |
|
resize(sel, sel->rx, sel->ry, sel->rw, sel->rh, True); |
|
drawbar(); |
|
while(XCheckMaskEvent(dpy, EnterWindowMask, &ev)); |
|
} |
|
|
|
static void |
|
toggletag(const char *arg) { |
|
unsigned int i, j; |
|
|
|
if(!sel) |
|
return; |
|
i = idxoftag(arg); |
|
sel->tags[i] = !sel->tags[i]; |
|
for(j = 0; j < ntags && !sel->tags[j]; j++); |
|
if(j == ntags) |
|
sel->tags[i] = True; |
|
arrange(); |
|
} |
|
|
|
static void |
|
toggleview(const char *arg) { |
|
unsigned int i, j; |
|
|
|
i = idxoftag(arg); |
|
seltags[i] = !seltags[i]; |
|
for(j = 0; j < ntags && !seltags[j]; j++); |
|
if(j == ntags) |
|
seltags[i] = True; /* cannot toggle last view */ |
|
arrange(); |
|
} |
|
|
|
static void |
|
view(const char *arg) { |
|
unsigned int i; |
|
|
|
for(i = 0; i < ntags; i++) |
|
seltags[i] = arg == NULL; |
|
i = idxoftag(arg); |
|
if(i >= 0 && i < ntags) |
|
seltags[i] = True; |
|
arrange(); |
|
} |
|
|
|
static void |
|
cleanup(void) { |
|
close(STDIN_FILENO); |
|
while(stack) { |
|
unban(stack); |
|
unmanage(stack); |
|
} |
|
if(dc.font.set) |
|
XFreeFontSet(dpy, dc.font.set); |
|
else |
|
XFreeFont(dpy, dc.font.xfont); |
|
XUngrabKey(dpy, AnyKey, AnyModifier, root); |
|
XFreePixmap(dpy, dc.drawable); |
|
XFreeGC(dpy, dc.gc); |
|
XDestroyWindow(dpy, barwin); |
|
XFreeCursor(dpy, cursor[CurNormal]); |
|
XFreeCursor(dpy, cursor[CurResize]); |
|
XFreeCursor(dpy, cursor[CurMove]); |
|
XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); |
|
XSync(dpy, False); |
|
free(seltags); |
|
} |
|
|
|
static long |
|
getstate(Window w) { |
|
int format, status; |
|
long result = -1; |
|
unsigned char *p = NULL; |
|
unsigned long n, extra; |
|
Atom real; |
|
|
|
status = XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState], |
|
&real, &format, &n, &extra, (unsigned char **)&p); |
|
if(status != Success) |
|
return -1; |
|
if(n != 0) |
|
result = *p; |
|
XFree(p); |
|
return result; |
|
} |
|
|
|
static void |
|
scan(void) { |
|
unsigned int i, num; |
|
Window *wins, d1, d2; |
|
XWindowAttributes wa; |
|
|
|
wins = NULL; |
|
if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { |
|
for(i = 0; i < num; i++) { |
|
if(!XGetWindowAttributes(dpy, wins[i], &wa) |
|
|| wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) |
|
continue; |
|
if(wa.map_state == IsViewable || getstate(wins[i]) == IconicState) |
|
manage(wins[i], &wa); |
|
} |
|
for(i = 0; i < num; i++) { /* now the transients */ |
|
if(!XGetWindowAttributes(dpy, wins[i], &wa)) |
|
continue; |
|
if(XGetTransientForHint(dpy, wins[i], &d1) |
|
&& (wa.map_state == IsViewable || getstate(wins[i]) == IconicState)) |
|
manage(wins[i], &wa); |
|
} |
|
} |
|
if(wins) |
|
XFree(wins); |
|
} |
|
|
|
static void |
|
setup(void) { |
|
int i, j; |
|
unsigned int mask; |
|
Window w; |
|
XModifierKeymap *modmap; |
|
XSetWindowAttributes wa; |
|
|
|
/* init atoms */ |
|
wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); |
|
wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); |
|
wmatom[WMName] = XInternAtom(dpy, "WM_NAME", False); |
|
wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False); |
|
netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); |
|
netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); |
|
XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32, |
|
PropModeReplace, (unsigned char *) netatom, NetLast); |
|
/* init cursors */ |
|
cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr); |
|
cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing); |
|
cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur); |
|
/* init modifier map */ |
|
modmap = XGetModifierMapping(dpy); |
|
for (i = 0; i < 8; i++) |
|
for (j = 0; j < modmap->max_keypermod; j++) { |
|
if(modmap->modifiermap[i * modmap->max_keypermod + j] |
|
== XKeysymToKeycode(dpy, XK_Num_Lock)) |
|
numlockmask = (1 << i); |
|
} |
|
XFreeModifiermap(modmap); |
|
/* select for events */ |
|
wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask |
|
| EnterWindowMask | LeaveWindowMask | StructureNotifyMask; |
|
wa.cursor = cursor[CurNormal]; |
|
XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa); |
|
XSelectInput(dpy, root, wa.event_mask); |
|
grabkeys(); |
|
compileregs(); |
|
for(ntags = 0; tags[ntags]; ntags++); |
|
seltags = emallocz(sizeof(Bool) * ntags); |
|
seltags[0] = True; |
|
/* geometry */ |
|
sx = sy = 0; |
|
sw = DisplayWidth(dpy, screen); |
|
sh = DisplayHeight(dpy, screen); |
|
initstyle(); |
|
initlayouts(); |
|
initbar(); |
|
/* multihead support */ |
|
selscreen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask); |
|
} |
|
|
|
/* |
|
* Startup Error handler to check if another window manager |
|
* is already running. |
|
*/ |
|
static int |
|
xerrorstart(Display *dsply, XErrorEvent *ee) { |
|
otherwm = True; |
|
return -1; |
|
} |
|
|
|
static Bool |
|
gettextprop(Window w, Atom atom, char *text, unsigned int size) { |
|
char **list = NULL; |
|
int n; |
|
XTextProperty name; |
|
|
|
if(!text || size == 0) |
|
return False; |
|
text[0] = '\0'; |
|
XGetTextProperty(dpy, w, &name, atom); |
|
if(!name.nitems) |
|
return False; |
|
if(name.encoding == XA_STRING) |
|
strncpy(text, (char *)name.value, size - 1); |
|
else { |
|
if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success |
|
&& n > 0 && *list) |
|
{ |
|
strncpy(text, *list, size - 1); |
|
XFreeStringList(list); |
|
} |
|
} |
|
text[size - 1] = '\0'; |
|
XFree(name.value); |
|
return True; |
|
} |
|
|
|
static void |
|
quit(const char *arg) { |
|
readin = running = False; |
|
} |
|
|
|
/* There's no way to check accesses to destroyed windows, thus those cases are |
|
* ignored (especially on UnmapNotify's). Other types of errors call Xlibs |
|
* default error handler, which may call exit. |
|
*/ |
|
static int |
|
xerror(Display *dpy, XErrorEvent *ee) { |
|
if(ee->error_code == BadWindow |
|
|| (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch) |
|
|| (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable) |
|
|| (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable) |
|
|| (ee->request_code == X_PolySegment && ee->error_code == BadDrawable) |
|
|| (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch) |
|
|| (ee->request_code == X_GrabKey && ee->error_code == BadAccess) |
|
|| (ee->request_code == X_CopyArea && ee->error_code == BadDrawable)) |
|
return 0; |
|
fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n", |
|
ee->request_code, ee->error_code); |
|
return xerrorxlib(dpy, ee); /* may call exit */ |
|
} |
|
|
|
static void |
|
arrange(void) { |
|
Client *c; |
|
|
|
for(c = clients; c; c = c->next) |
|
if(isvisible(c)) |
|
unban(c); |
|
else |
|
ban(c); |
|
layouts[ltidx].arrange(); |
|
focus(NULL); |
|
restack(); |
|
} |
|
|
|
static void |
|
attach(Client *c) { |
|
if(clients) |
|
clients->prev = c; |
|
c->next = clients; |
|
clients = c; |
|
} |
|
|
|
static void |
|
detach(Client *c) { |
|
if(c->prev) |
|
c->prev->next = c->next; |
|
if(c->next) |
|
c->next->prev = c->prev; |
|
if(c == clients) |
|
clients = c->next; |
|
c->next = c->prev = NULL; |
|
} |
|
|
|
static void |
|
focus(Client *c) { |
|
if((!c && selscreen) || (c && !isvisible(c))) |
|
for(c = stack; c && !isvisible(c); c = c->snext); |
|
if(sel && sel != c) { |
|
grabbuttons(sel, False); |
|
XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]); |
|
} |
|
if(c) { |
|
detachstack(c); |
|
attachstack(c); |
|
grabbuttons(c, True); |
|
} |
|
sel = c; |
|
drawbar(); |
|
if(!selscreen) |
|
return; |
|
if(c) { |
|
XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]); |
|
XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime); |
|
} |
|
else |
|
XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime); |
|
} |
|
|
|
static Bool |
|
isarrange(void (*func)()) |
|
{ |
|
return func == layouts[ltidx].arrange; |
|
} |
|
|
|
static Client * |
|
nexttiled(Client *c) { |
|
for(; c && (c->isfloating || !isvisible(c)); c = c->next); |
|
return c; |
|
} |
|
|
|
static void |
|
setmwfact(const char *arg) { |
|
double delta; |
|
|
|
if(!isarrange(tile)) |
|
return; |
|
/* arg handling, manipulate mwfact */ |
|
if(arg == NULL) |
|
mwfact = MWFACT; |
|
else if(1 == sscanf(arg, "%lf", &delta)) { |
|
if(arg[0] != '+' && arg[0] != '-') |
|
mwfact = delta; |
|
else |
|
mwfact += delta; |
|
if(mwfact < 0.1) |
|
mwfact = 0.1; |
|
else if(mwfact > 0.9) |
|
mwfact = 0.9; |
|
} |
|
arrange(); |
|
} |
|
|
|
static void |
|
tile(void) { |
|
unsigned int i, n, nx, ny, nw, nh, mw, th; |
|
Client *c; |
|
|
|
for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next)) |
|
n++; |
|
|
|
/* window geoms */ |
|
mw = (n == 1) ? waw : mwfact * waw; |
|
th = (n > 1) ? wah / (n - 1) : 0; |
|
if(n > 1 && th < bh) |
|
th = wah; |
|
|
|
nx = wax; |
|
ny = way; |
|
for(i = 0, c = nexttiled(clients); c; c = nexttiled(c->next), i++) { |
|
c->ismax = False; |
|
if(i == 0) { /* master */ |
|
nw = mw - 2 * c->border; |
|
nh = wah - 2 * c->border; |
|
} |
|
else { /* tile window */ |
|
if(i == 1) { |
|
ny = way; |
|
nx += mw; |
|
} |
|
nw = waw - mw - 2 * c->border; |
|
if(i + 1 == n) /* remainder */ |
|
nh = (way + wah) - ny - 2 * c->border; |
|
else |
|
nh = th - 2 * c->border; |
|
} |
|
resize(c, nx, ny, nw, nh, RESIZEHINTS); |
|
if(n > 1 && th != wah) |
|
ny += nh + 2 * c->border; |
|
} |
|
} |
|
|
|
static void |
|
zoom(const char *arg) { |
|
Client *c; |
|
|
|
if(!sel || !isarrange(tile) || sel->isfloating) |
|
return; |
|
if((c = sel) == nexttiled(clients)) |
|
if(!(c = nexttiled(c->next))) |
|
return; |
|
detach(c); |
|
attach(c); |
|
focus(c); |
|
arrange(); |
|
} |
|
|
|
int |
|
main(int argc, char *argv[]) { |
|
char *p; |
|
int r, xfd; |
|
fd_set rd; |
|
XEvent ev; |
|
|
|
if(argc == 2 && !strcmp("-v", argv[1])) |
|
eprint("dwm-"VERSION", © 2006-2007 A. R. Garbe, S. van Dijk, J. Salmi, P. Hruby, S. Nagy\n"); |
|
else if(argc != 1) |
|
eprint("usage: dwm [-v]\n"); |
|
setlocale(LC_CTYPE, ""); |
|
if(!(dpy = XOpenDisplay(0))) |
|
eprint("dwm: cannot open display\n"); |
|
xfd = ConnectionNumber(dpy); |
|
screen = DefaultScreen(dpy); |
|
root = RootWindow(dpy, screen); |
|
otherwm = False; |
|
XSetErrorHandler(xerrorstart); |
|
/* this causes an error if some other window manager is running */ |
|
XSelectInput(dpy, root, SubstructureRedirectMask); |
|
XSync(dpy, False); |
|
if(otherwm) |
|
eprint("dwm: another window manager is already running\n"); |
|
|
|
XSync(dpy, False); |
|
XSetErrorHandler(NULL); |
|
xerrorxlib = XSetErrorHandler(xerror); |
|
XSync(dpy, False); |
|
setup(); |
|
drawbar(); |
|
scan(); |
|
|
|
/* main event loop, also reads status text from stdin */ |
|
XSync(dpy, False); |
|
readin = True; |
|
while(running) { |
|
FD_ZERO(&rd); |
|
if(readin) |
|
FD_SET(STDIN_FILENO, &rd); |
|
FD_SET(xfd, &rd); |
|
if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) { |
|
if(errno == EINTR) |
|
continue; |
|
eprint("select failed\n"); |
|
} |
|
if(FD_ISSET(STDIN_FILENO, &rd)) { |
|
switch(r = read(STDIN_FILENO, stext, sizeof stext - 1)) { |
|
case -1: |
|
strncpy(stext, strerror(errno), sizeof stext - 1); |
|
stext[sizeof stext - 1] = '\0'; |
|
readin = False; |
|
break; |
|
case 0: |
|
strncpy(stext, "EOF", 4); |
|
readin = False; |
|
break; |
|
default: |
|
for(stext[r] = '\0', p = stext + strlen(stext) - 1; p >= stext && *p == '\n'; *p-- = '\0'); |
|
for(; p >= stext && *p != '\n'; --p); |
|
if(p > stext) |
|
strncpy(stext, p + 1, sizeof stext); |
|
} |
|
drawbar(); |
|
} |
|
while(XPending(dpy)) { |
|
XNextEvent(dpy, &ev); |
|
if(handler[ev.type]) |
|
(handler[ev.type])(&ev); /* call handler */ |
|
} |
|
} |
|
cleanup(); |
|
XCloseDisplay(dpy); |
|
return 0; |
|
}
|
|
|