enum { ColBorder, ColFG, ColBG, ColLast }; /* color */
enum { NetSupported, NetWMName, NetLast }; /* EWMH atoms */
enum { WMProtocols, WMDelete, WMName, WMState, WMLast };/* default atoms */
+enum { ClkLtSymbol = 64, ClkStatusText, ClkWinTitle,
+ ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
/* typedefs */
typedef unsigned int uint;
typedef unsigned long ulong;
+
+typedef union {
+ int i;
+ uint ui;
+ float f;
+ void *v;
+} Arg;
+
+typedef struct {
+ uint click;
+ uint mask;
+ uint button;
+ void (*func)(const Arg *arg);
+ const Arg arg;
+} Button;
+
typedef struct Client Client;
struct Client {
char name[256];
int x, y, w, h;
int basew, baseh, incw, inch, maxw, maxh, minw, minh;
- int minax, maxax, minay, maxay;
+ float mina, maxa;
int bw, oldbw;
Bool isbanned, isfixed, isfloating, ismoved, isurgent;
uint tags;
Client *next;
- Client *prev;
Client *snext;
Window win;
};
typedef struct {
uint mod;
KeySym keysym;
- void (*func)(const void *arg);
- const void *arg;
+ void (*func)(const Arg *);
+ const Arg arg;
} Key;
typedef struct {
} Rule;
/* function declarations */
-void applyrules(Client *c);
-void arrange(void);
-void attach(Client *c);
-void attachstack(Client *c);
-void buttonpress(XEvent *e);
-void checkotherwm(void);
-void cleanup(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, Bool invert, ulong col[ColLast]);
-void drawtext(const char *text, ulong col[ColLast], Bool invert);
-void enternotify(XEvent *e);
-void eprint(const char *errstr, ...);
-void expose(XEvent *e);
-void focus(Client *c);
-void focusin(XEvent *e);
-void focusnext(const void *arg);
-void focusprev(const void *arg);
-Client *getclient(Window w);
-ulong getcolor(const char *colstr);
-long getstate(Window w);
-Bool gettextprop(Window w, Atom atom, char *text, uint size);
-void grabbuttons(Client *c, Bool focused);
-void grabkeys(void);
-void initfont(const char *fontstr);
-Bool isoccupied(uint t);
-Bool isprotodel(Client *c);
-Bool isurgent(uint t);
-void keypress(XEvent *e);
-void killclient(const void *arg);
-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 void *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 setmfact(const void *arg);
-void setup(void);
-void spawn(const void *arg);
-void tag(const void *arg);
-uint textnw(const char *text, uint len);
-void tile(void);
-void togglebar(const void *arg);
-void togglefloating(const void *arg);
-void togglelayout(const void *arg);
-void togglemax(const void *arg);
-void toggletag(const void *arg);
-void toggleview(const void *arg);
-void unmanage(Client *c);
-void unmapnotify(XEvent *e);
-void updatebar(void);
-void updategeom(void);
-void updatesizehints(Client *c);
-void updatetitle(Client *c);
-void updatewmhints(Client *c);
-void view(const void *arg);
-int xerror(Display *dpy, XErrorEvent *ee);
-int xerrordummy(Display *dpy, XErrorEvent *ee);
-int xerrorstart(Display *dpy, XErrorEvent *ee);
-void zoom(const void *arg);
+static void applyrules(Client *c);
+static void arrange(void);
+static void attach(Client *c);
+static void attachstack(Client *c);
+static void buttonpress(XEvent *e);
+static void checkotherwm(void);
+static void cleanup(void);
+static void configure(Client *c);
+static void configurenotify(XEvent *e);
+static void configurerequest(XEvent *e);
+static void destroynotify(XEvent *e);
+static void detach(Client *c);
+static void detachstack(Client *c);
+static void drawbar(void);
+static void drawsquare(Bool filled, Bool empty, Bool invert, ulong col[ColLast]);
+static void drawtext(const char *text, ulong col[ColLast], Bool invert);
+static void enternotify(XEvent *e);
+static void eprint(const char *errstr, ...);
+static void expose(XEvent *e);
+static void focus(Client *c);
+static void focusin(XEvent *e);
+static void focusstack(const Arg *arg);
+static Client *getclient(Window w);
+static ulong getcolor(const char *colstr);
+static long getstate(Window w);
+static Bool gettextprop(Window w, Atom atom, char *text, uint size);
+static void grabbuttons(Client *c, Bool focused);
+static void grabkeys(void);
+static void initfont(const char *fontstr);
+static Bool isoccupied(uint t);
+static Bool isprotodel(Client *c);
+static Bool isurgent(uint t);
+static void keypress(XEvent *e);
+static void killclient(const Arg *arg);
+static void manage(Window w, XWindowAttributes *wa);
+static void mappingnotify(XEvent *e);
+static void maprequest(XEvent *e);
+static void movemouse(const Arg *arg);
+static Client *nexttiled(Client *c);
+static void propertynotify(XEvent *e);
+static void quit(const Arg *arg);
+static void resize(Client *c, int x, int y, int w, int h, Bool sizehints);
+static void resizemouse(const Arg *arg);
+static void restack(void);
+static void run(void);
+static void scan(void);
+static void setclientstate(Client *c, long state);
+static void setmfact(const Arg *arg);
+static void setup(void);
+static void spawn(const Arg *arg);
+static void tag(const Arg *arg);
+static int textnw(const char *text, uint len);
+static void tile(void);
+static void togglebar(const Arg *arg);
+static void togglefloating(const Arg *arg);
+static void togglelayout(const Arg *arg);
+static void togglemax(const Arg *arg);
+static void toggletag(const Arg *arg);
+static void toggleview(const Arg *arg);
+static void unmanage(Client *c);
+static void unmapnotify(XEvent *e);
+static void updatebar(void);
+static void updategeom(void);
+static void updatesizehints(Client *c);
+static void updatetitle(Client *c);
+static void updatewmhints(Client *c);
+static void view(const Arg *arg);
+static int xerror(Display *dpy, XErrorEvent *ee);
+static int xerrordummy(Display *dpy, XErrorEvent *ee);
+static int xerrorstart(Display *dpy, XErrorEvent *ee);
+static void zoom(const Arg *arg);
/* variables */
-char stext[256];
-int screen, sx, sy, sw, sh;
-int by, bh, blw, wx, wy, ww, wh;
-uint seltags = 0;
-int (*xerrorxlib)(Display *, XErrorEvent *);
-uint numlockmask = 0;
-void (*handler[LASTEvent]) (XEvent *) = {
+static char stext[256];
+static int screen, sx, sy, sw, sh;
+static int by, bh, blw, wx, wy, ww, wh;
+static uint seltags = 0;
+static int (*xerrorxlib)(Display *, XErrorEvent *);
+static uint numlockmask = 0;
+static void (*handler[LASTEvent]) (XEvent *) = {
[ButtonPress] = buttonpress,
[ConfigureRequest] = configurerequest,
[ConfigureNotify] = configurenotify,
[PropertyNotify] = propertynotify,
[UnmapNotify] = unmapnotify
};
-Atom wmatom[WMLast], netatom[NetLast];
-Bool ismax = False;
-Bool otherwm, readin;
-Bool running = True;
-uint tagset[] = {1, 1}; /* after start, first tag is selected */
-Client *clients = NULL;
-Client *sel = NULL;
-Client *stack = NULL;
-Cursor cursor[CurLast];
-Display *dpy;
-DC dc = {0};
-Layout layouts[];
-Layout *lt = layouts;
-Window root, barwin;
-
+static Atom wmatom[WMLast], netatom[NetLast];
+static Bool ismax = False;
+static Bool otherwm, readin;
+static Bool running = True;
+static uint tagset[] = {1, 1}; /* after start, first tag is selected */
+static Client *clients = NULL;
+static Client *sel = NULL;
+static Client *stack = NULL;
+static Cursor cursor[CurLast];
+static Display *dpy;
+static DC dc = {0};
+static Layout *lt = NULL;
+static Window root, barwin;
/* configuration, allows nested code to access above variables */
#include "config.h"
void
attach(Client *c) {
- if(clients)
- clients->prev = c;
c->next = clients;
clients = c;
}
void
buttonpress(XEvent *e) {
- uint i, x, mask;
+ uint i, x, click;
Client *c;
XButtonPressedEvent *ev = &e->xbutton;
+ click = ClkRootWin;
if(ev->window == barwin) {
- x = 0;
- for(i = 0; i < LENGTH(tags); i++) {
+ i = x = 0;
+ do
x += TEXTW(tags[i]);
- if(ev->x < x) {
- mask = 1 << i;
- if(ev->button == Button1) {
- if(ev->state & MODKEY)
- tag(&mask);
- else
- view(&mask);
- }
- else if(ev->button == Button3) {
- if(ev->state & MODKEY)
- toggletag(&mask);
- else
- toggleview(&mask);
- }
- return;
- }
- }
- if(ev->x < x + blw) {
- if(ev->button == Button1)
- togglelayout(NULL);
- else if(ev->button == Button3)
- togglemax(NULL);
- }
- }
- else if((c = getclient(ev->window))) {
- focus(c);
- if(CLEANMASK(ev->state) != MODKEY || (ismax && !c->isfixed))
- return;
- if(ev->button == Button1)
- movemouse(c);
- else if(ev->button == Button2)
- togglefloating(NULL);
- else if(ev->button == Button3 && !c->isfixed)
- resizemouse(c);
+ while(ev->x >= x && ++i < LENGTH(tags));
+ if(i < LENGTH(tags))
+ click = i;
+ else if(ev->x < x + blw)
+ click = ClkLtSymbol;
+ else if(ev->x > wx + ww - TEXTW(stext))
+ click = ClkStatusText;
+ else
+ click = ClkWinTitle;
}
+ else if((c = getclient(ev->window)))
+ click = ClkClientWin;
+
+ for(i = 0; i < LENGTH(buttons); i++)
+ if(click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button
+ && CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
+ buttons[i].func(&buttons[i].arg);
}
void
void
cleanup(void) {
+ Arg a = {.i = ~0};
+ Layout foo = { "", NULL };
+
close(STDIN_FILENO);
- view((uint[]){~0});
+ view(&a);
+ lt = &foo;
while(stack)
unmanage(stack);
if(dc.font.set)
void
detach(Client *c) {
- if(c->prev)
- c->prev->next = c->next;
- if(c->next)
- c->next->prev = c->prev;
- if(c == clients)
+ Client *i;
+
+ if (c != clients) {
+ for(i = clients; i->next != c; i = i->next);
+ i->next = c->next;
+ }
+ else {
clients = c->next;
- c->next = c->prev = NULL;
+ }
+ c->next = NULL;
}
void
}
void
-focusnext(const void *arg) {
- Client *c;
+focusstack(const Arg *arg) {
+ Client *c = NULL, *i;
if(!sel)
return;
- for(c = sel->next; c && c->isbanned; c = c->next);
- if(!c)
- for(c = clients; c && c->isbanned; c = c->next);
- if(c) {
- focus(c);
- restack();
+ if (arg->i > 0) {
+ for(c = sel->next; c && c->isbanned; c = c->next);
+ if(!c)
+ for(c = clients; c && c->isbanned; c = c->next);
}
-}
-
-void
-focusprev(const void *arg) {
- Client *c;
-
- if(!sel)
- return;
- for(c = sel->prev; c && c->isbanned; c = c->prev);
- if(!c) {
- for(c = clients; c && c->next; c = c->next);
- for(; c && c->isbanned; c = c->prev);
+ else {
+ for(i = clients; i != sel; i = i->next)
+ if (!i->isbanned)
+ c = i;
+ if(!c)
+ for(; i; i = i->next)
+ if (!i->isbanned)
+ c = i;
}
if(c) {
focus(c);
if(keysym == keys[i].keysym
&& CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
&& keys[i].func)
- keys[i].func(keys[i].arg);
+ keys[i].func(&(keys[i].arg));
}
void
-killclient(const void *arg) {
+killclient(const Arg *arg) {
XEvent ev;
if(!sel)
}
void
-movemouse(Client *c) {
+movemouse(const Arg *arg) {
int x1, y1, ocx, ocy, di, nx, ny;
uint dui;
+ Client *c;
Window dummy;
XEvent ev;
+ if(!(c = sel))
+ return;
restack();
ocx = nx = c->x;
ocy = ny = c->y;
None, cursor[CurMove], CurrentTime) != GrabSuccess)
return;
XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
+ if(x1 < c->x || x1 > c->x + c->w || y1 < c->y || y1 > c->y + c->h) {
+ XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, 0, 0);
+ x1 = c->x + 1;
+ y1 = c->y + 1;
+ }
for(;;) {
XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
switch (ev.type) {
}
void
-quit(const void *arg) {
+quit(const Arg *arg) {
readin = running = False;
}
h -= c->baseh;
/* adjust for aspect limits */
- if(c->minax != c->maxax && c->minay != c->maxay
- && c->minax > 0 && c->maxax > 0 && c->minay > 0 && c->maxay > 0) {
- if(w * c->maxay > h * c->maxax)
- w = h * c->maxax / c->maxay;
- else if(w * c->minay < h * c->minax)
- h = w * c->minay / c->minax;
+ if(c->mina > 0 && c->maxa > 0) {
+ if(c->maxa < (float) w/h)
+ w = h * c->maxa;
+ else if(c->mina > (float) h/w)
+ h = w * c->mina;
}
/* adjust for increment value */
}
void
-resizemouse(Client *c) {
+resizemouse(const Arg *arg) {
int ocx, ocy;
int nw, nh;
+ Client *c;
XEvent ev;
+ if(!(c = sel))
+ return;
restack();
ocx = c->x;
ocy = c->y;
/* arg > 1.0 will set mfact absolutly */
void
-setmfact(const void *arg) {
- double d = *((double*) arg);
+setmfact(const Arg *arg) {
+ float f;
- if(!d || !lt->arrange)
+ if(!arg || !lt->arrange)
return;
- d = d < 1.0 ? d + mfact : d - 1.0;
- if(d < 0.1 || d > 0.9)
+ f = arg->f < 1.0 ? arg->f + mfact : arg->f - 1.0;
+ if(f < 0.1 || f > 0.9)
return;
- mfact = d;
+ mfact = f;
arrange();
}
void
setup(void) {
- uint i, w;
+ uint i;
+ int w;
XSetWindowAttributes wa;
/* init screen */
screen = DefaultScreen(dpy);
root = RootWindow(dpy, screen);
- initfont(FONT);
+ initfont(font);
sx = 0;
sy = 0;
sw = DisplayWidth(dpy, screen);
sh = DisplayHeight(dpy, screen);
- bh = dc.font.height + 2;
+ bh = dc.h = dc.font.height + 2;
+ lt = layouts;
updategeom();
/* init atoms */
cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
/* init appearance */
- dc.norm[ColBorder] = getcolor(NORMBORDERCOLOR);
- dc.norm[ColBG] = getcolor(NORMBGCOLOR);
- dc.norm[ColFG] = getcolor(NORMFGCOLOR);
- dc.sel[ColBorder] = getcolor(SELBORDERCOLOR);
- dc.sel[ColBG] = getcolor(SELBGCOLOR);
- dc.sel[ColFG] = getcolor(SELFGCOLOR);
- initfont(FONT);
- dc.h = bh;
+ dc.norm[ColBorder] = getcolor(normbordercolor);
+ dc.norm[ColBG] = getcolor(normbgcolor);
+ dc.norm[ColFG] = getcolor(normfgcolor);
+ dc.sel[ColBorder] = getcolor(selbordercolor);
+ dc.sel[ColBG] = getcolor(selbgcolor);
+ dc.sel[ColFG] = getcolor(selfgcolor);
dc.drawable = XCreatePixmap(dpy, root, DisplayWidth(dpy, screen), bh, DefaultDepth(dpy, screen));
dc.gc = XCreateGC(dpy, root, 0, 0);
XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
PropModeReplace, (unsigned char *) netatom, NetLast);
/* select for events */
- wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask
+ wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask
|EnterWindowMask|LeaveWindowMask|StructureNotifyMask;
XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
XSelectInput(dpy, root, wa.event_mask);
}
void
-spawn(const void *arg) {
- static char *shell = NULL;
-
- if(!shell && !(shell = getenv("SHELL")))
- shell = "/bin/sh";
+spawn(const Arg *arg) {
/* The double-fork construct avoids zombie processes and keeps the code
* clean from stupid signal handlers. */
if(fork() == 0) {
if(dpy)
close(ConnectionNumber(dpy));
setsid();
- execl(shell, shell, "-c", (char *)arg, (char *)NULL);
- fprintf(stderr, "dwm: execl '%s -c %s'", shell, (char *)arg);
+ execvp(((char **)arg->v)[0], (char **)arg->v);
+ fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[0]);
perror(" failed");
}
exit(0);
}
void
-tag(const void *arg) {
- if(sel && *(int *)arg & TAGMASK) {
- sel->tags = *(int *)arg & TAGMASK;
+tag(const Arg *arg) {
+ if(sel && arg->ui & TAGMASK) {
+ sel->tags = arg->ui & TAGMASK;
arrange();
}
}
-uint
+int
textnw(const char *text, uint len) {
XRectangle r;
}
void
-togglebar(const void *arg) {
+togglebar(const Arg *arg) {
showbar = !showbar;
updategeom();
updatebar();
}
void
-togglefloating(const void *arg) {
+togglefloating(const Arg *arg) {
if(!sel)
return;
sel->isfloating = !sel->isfloating || sel->isfixed;
}
void
-togglelayout(const void *arg) {
- uint i;
-
- if(!arg) {
- if(++lt == &layouts[LENGTH(layouts)])
- lt = &layouts[0];
- }
- else {
- for(i = 0; i < LENGTH(layouts); i++)
- if(!strcmp((char *)arg, layouts[i].symbol))
- break;
- if(i == LENGTH(layouts))
- return;
- lt = &layouts[i];
- }
+togglelayout(const Arg *arg) {
+ if(arg && arg->v)
+ lt = (Layout *)arg->v;
+ else if(++lt == &layouts[LENGTH(layouts)])
+ lt = &layouts[0];
if(sel)
arrange();
else
}
void
-togglemax(const void *arg) {
+togglemax(const Arg *arg) {
ismax = !ismax;
arrange();
}
void
-toggletag(const void *arg) {
- if(sel && (sel->tags ^ ((*(int *)arg) & TAGMASK))) {
- sel->tags ^= (*(int *)arg) & TAGMASK;
+toggletag(const Arg *arg) {
+ if(sel && (sel->tags ^= (arg->ui & TAGMASK)))
arrange();
- }
}
void
-toggleview(const void *arg) {
- if((tagset[seltags] ^ ((*(int *)arg) & TAGMASK))) {
- tagset[seltags] ^= (*(int *)arg) & TAGMASK;
+toggleview(const Arg *arg) {
+ if((tagset[seltags] ^= (arg->ui & TAGMASK)))
arrange();
- }
}
void
/* window area geometry */
if(XineramaIsActive(dpy)) {
info = XineramaQueryScreens(dpy, &i);
- wx = info[0].x_org;
- wy = showbar && topbar ? info[0].y_org + bh : info[0].y_org;
- ww = info[0].width;
- wh = showbar ? info[0].height - bh : info[0].height;
+ wx = info[xidx].x_org;
+ wy = showbar && topbar ? info[xidx].y_org + bh : info[xidx].y_org;
+ ww = info[xidx].width;
+ wh = showbar ? info[xidx].height - bh : info[xidx].height;
XFree(info);
}
else
else
c->minw = c->minh = 0;
if(size.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;
+ c->mina = (float)size.min_aspect.y / (float)size.min_aspect.x;
+ c->maxa = (float)size.max_aspect.x / (float)size.max_aspect.y;
}
else
- c->minax = c->maxax = c->minay = c->maxay = 0;
+ c->maxa = c->mina = 0.0;
c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
&& c->maxw == c->minw && c->maxh == c->minh);
}
}
void
-view(const void *arg) {
+view(const Arg *arg) {
seltags ^= 1; /* toggle sel tagset */
- if(arg && (*(int *)arg & TAGMASK))
- tagset[seltags] = *(int *)arg & TAGMASK;
+ if(arg && (arg->ui & TAGMASK))
+ tagset[seltags] = arg->i & TAGMASK;
arrange();
}
}
void
-zoom(const void *arg) {
+zoom(const Arg *arg) {
Client *c = sel;
if(ismax || !lt->arrange || (sel && sel->isfloating))