* set the override_redirect flag. Clients are organized in a global
* doubly-linked client list, the focus history is remembered through a global
* stack list. Each client contains an array of Bools of the same size as the
- * global tags array to indicate the tags of a client. For each client dwm
- * creates a small title window, which is resized whenever the (_NET_)WM_NAME
- * properties are updated or the client is moved/resized.
+ * global tags array to indicate the tags of a client.
*
* Keys and tagging rules are organized as arrays and defined in config.h.
*
* To understand everything else, start reading main().
*/
-#include "dwm.h"
-
#include <errno.h>
#include <locale.h>
#include <stdarg.h>
#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <X11/Xatom.h>
+#include <X11/Xlib.h>
#include <X11/Xproto.h>
#include <X11/Xutil.h>
/* macros */
#define BUTTONMASK (ButtonPressMask | ButtonReleaseMask)
#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
+#define LENGTH(x) (sizeof x / sizeof x[0])
+#define MAXTAGLEN 16
#define MOUSEMASK (BUTTONMASK | PointerMotionMask)
-/* local typedefs */
+
+/* enums */
+enum { BarTop, BarBot, BarOff }; /* bar position */
+enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
+enum { ColBorder, ColFG, ColBG, ColLast }; /* color */
+enum { NetSupported, NetWMName, NetLast }; /* EWMH atoms */
+enum { WMProtocols, WMDelete, WMName, WMState, WMLast };/* default atoms */
+
+/* typedefs */
+typedef struct Client Client;
+struct Client {
+ char name[256];
+ int x, y, w, h;
+ int rx, ry, rw, rh; /* revert geometry */
+ int basew, baseh, incw, inch, maxw, maxh, minw, minh;
+ int minax, maxax, minay, maxay;
+ long flags;
+ unsigned int border, oldborder;
+ Bool isbanned, isfixed, ismax, isfloating, wasfloating;
+ Bool *tags;
+ Client *next;
+ Client *prev;
+ Client *snext;
+ Window win;
+};
+
+typedef struct {
+ int x, y, w, h;
+ unsigned long norm[ColLast];
+ unsigned long sel[ColLast];
+ Drawable drawable;
+ GC gc;
+ struct {
+ int ascent;
+ int descent;
+ int height;
+ XFontSet set;
+ XFontStruct *xfont;
+ } font;
+} DC; /* draw context */
+
+typedef struct {
+ unsigned long mod;
+ KeySym keysym;
+ void (*func)(const char *arg);
+ const char *arg;
+} Key;
+
+typedef struct {
+ const char *symbol;
+ void (*arrange)(void);
+} Layout;
+
typedef struct {
const char *prop;
const char *tags;
regex_t *tagregex;
} Regs;
+/* function declarations */
+void applyrules(Client *c);
+void arrange(void);
+void attach(Client *c);
+void attachstack(Client *c);
+void ban(Client *c);
+void buttonpress(XEvent *e);
+void checkotherwm(void);
+void cleanup(void);
+void compileregs(void);
+void configure(Client *c);
+void configurenotify(XEvent *e);
+void configurerequest(XEvent *e);
+void destroynotify(XEvent *e);
+void detach(Client *c);
+void detachstack(Client *c);
+void drawbar(void);
+void drawsquare(Bool filled, Bool empty, unsigned long col[ColLast]);
+void drawtext(const char *text, unsigned long col[ColLast]);
+void *emallocz(unsigned int size);
+void enternotify(XEvent *e);
+void eprint(const char *errstr, ...);
+void expose(XEvent *e);
+void floating(void); /* default floating layout */
+void focus(Client *c);
+void focusin(XEvent *e);
+void focusnext(const char *arg);
+void focusprev(const char *arg);
+Client *getclient(Window w);
+unsigned long getcolor(const char *colstr);
+long getstate(Window w);
+Bool gettextprop(Window w, Atom atom, char *text, unsigned int size);
+void grabbuttons(Client *c, Bool focused);
+void grabkeys(void);
+unsigned int idxoftag(const char *tag);
+void initfont(const char *fontstr);
+Bool isoccupied(unsigned int t);
+Bool isprotodel(Client *c);
+Bool isvisible(Client *c);
+void keypress(XEvent *e);
+void killclient(const char *arg);
+void leavenotify(XEvent *e);
+void manage(Window w, XWindowAttributes *wa);
+void mappingnotify(XEvent *e);
+void maprequest(XEvent *e);
+void movemouse(Client *c);
+Client *nexttiled(Client *c);
+void propertynotify(XEvent *e);
+void quit(const char *arg);
+void reapply(const char *arg);
+void resize(Client *c, int x, int y, int w, int h, Bool sizehints);
+void resizemouse(Client *c);
+void restack(void);
+void run(void);
+void scan(void);
+void setclientstate(Client *c, long state);
+void setlayout(const char *arg);
+void setmwfact(const char *arg);
+void setup(void);
+void spawn(const char *arg);
+void tag(const char *arg);
+unsigned int textnw(const char *text, unsigned int len);
+unsigned int textw(const char *text);
+void tile(void);
+void togglebar(const char *arg);
+void togglefloating(const char *arg);
+void togglemax(const char *arg);
+void toggletag(const char *arg);
+void toggleview(const char *arg);
+void unban(Client *c);
+void unmanage(Client *c);
+void unmapnotify(XEvent *e);
+void updatebarpos(void);
+void updatesizehints(Client *c);
+void updatetitle(Client *c);
+void view(const char *arg);
+void viewprevtag(const char *arg); /* views previous selected tags */
+int xerror(Display *dpy, XErrorEvent *ee);
+int xerrordummy(Display *dsply, XErrorEvent *ee);
+int xerrorstart(Display *dsply, XErrorEvent *ee);
+void zoom(const char *arg);
+
/* variables */
char stext[256];
double mwfact;
int (*xerrorxlib)(Display *, XErrorEvent *);
unsigned int bh, bpos;
unsigned int blw = 0;
-unsigned int ltidx = 0; /* default */
-unsigned int nlayouts = 0;
-unsigned int nrules = 0;
unsigned int numlockmask = 0;
void (*handler[LASTEvent]) (XEvent *) = {
[ButtonPress] = buttonpress,
[ConfigureNotify] = configurenotify,
[DestroyNotify] = destroynotify,
[EnterNotify] = enternotify,
- [LeaveNotify] = leavenotify,
[Expose] = expose,
+ [FocusIn] = focusin,
[KeyPress] = keypress,
+ [LeaveNotify] = leavenotify,
[MappingNotify] = mappingnotify,
[MapRequest] = maprequest,
[PropertyNotify] = propertynotify,
[UnmapNotify] = unmapnotify
};
Atom wmatom[WMLast], netatom[NetLast];
+Bool domwfact = True;
+Bool dozoom = True;
Bool otherwm, readin;
Bool running = True;
Bool selscreen = True;
Cursor cursor[CurLast];
Display *dpy;
DC dc = {0};
+Layout *layout = NULL;
Window barwin, root;
Regs *regs = NULL;
/* configuration, allows nested code to access above variables */
#include "config.h"
-/* Statically define the number of tags. */
-unsigned int ntags = sizeof tags / sizeof tags[0];
-Bool seltags[sizeof tags / sizeof tags[0]] = {[0] = True};
-Bool prevtags[sizeof tags / sizeof tags[0]] = {[0] = True};
+Bool prevtags[LENGTH(tags)];
-/* functions*/
+/* function implementations */
void
applyrules(Client *c) {
static char buf[512];
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++)
+ for(i = 0; i < LENGTH(rules); 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++) {
+ for(j = 0; regs[i].tagregex && j < LENGTH(tags); j++) {
if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
matched = True;
c->tags[j] = True;
unban(c);
else
ban(c);
- layouts[ltidx].arrange();
+ layout->arrange();
focus(NULL);
restack();
}
Client *c;
XButtonPressedEvent *ev = &e->xbutton;
- if(barwin == ev->window) {
+ if(ev->window == barwin) {
x = 0;
- for(i = 0; i < ntags; i++) {
+ for(i = 0; i < LENGTH(tags); i++) {
x += textw(tags[i]);
if(ev->x < x) {
if(ev->button == Button1) {
if(CLEANMASK(ev->state) != MODKEY)
return;
if(ev->button == Button1) {
- if(isarrange(floating) || c->isfloating)
+ if((layout->arrange == floating) || c->isfloating)
restack();
else
togglefloating(NULL);
movemouse(c);
}
else if(ev->button == Button2) {
- if(ISTILE && !c->isfixed && c->isfloating)
+ if((floating != layout->arrange) && c->isfloating)
togglefloating(NULL);
else
zoom(NULL);
}
else if(ev->button == Button3 && !c->isfixed) {
- if(isarrange(floating) || c->isfloating)
+ if((floating == layout->arrange) || c->isfloating)
restack();
else
togglefloating(NULL);
if(regs)
return;
- nrules = sizeof rules / sizeof rules[0];
- regs = emallocz(nrules * sizeof(Regs));
- for(i = 0; i < nrules; i++) {
+ regs = emallocz(LENGTH(rules) * sizeof(Regs));
+ for(i = 0; i < LENGTH(rules); i++) {
if(rules[i].prop) {
reg = emallocz(sizeof(regex_t));
if(regcomp(reg, rules[i].prop, REG_EXTENDED))
c->ismax = False;
if(ev->value_mask & CWBorderWidth)
c->border = ev->border_width;
- if(c->isfixed || c->isfloating || isarrange(floating)) {
+ if(c->isfixed || c->isfloating || (floating == layout->arrange)) {
if(ev->value_mask & CWX)
c->x = ev->x;
if(ev->value_mask & CWY)
int i, x;
dc.x = dc.y = 0;
- for(i = 0; i < ntags; i++) {
+ for(i = 0; i < LENGTH(tags); i++) {
dc.w = textw(tags[i]);
if(seltags[i]) {
drawtext(tags[i], dc.sel);
dc.x += dc.w;
}
dc.w = blw;
- drawtext(layouts[ltidx].symbol, dc.norm);
+ drawtext(layout->symbol, dc.norm);
x = dc.x + dc.w;
dc.w = textw(stext);
dc.x = sw - dc.w;
XExposeEvent *ev = &e->xexpose;
if(ev->count == 0) {
- if(barwin == ev->window)
+ if(ev->window == barwin)
drawbar();
}
}
floating(void) { /* default floating layout */
Client *c;
+ domwfact = dozoom = False;
for(c = clients; c; c = c->next)
if(isvisible(c))
resize(c, c->x, c->y, c->w, c->h, True);
XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
}
+void
+focusin(XEvent *e) { /* there are some broken focus acquiring clients */
+ XFocusChangeEvent *ev = &e->xfocus;
+
+ if(sel && ev->window != sel->win)
+ XSetInputFocus(dpy, sel->win, RevertToPointerRoot, CurrentTime);
+}
+
void
focusnext(const char *arg) {
Client *c;
strncpy(text, (char *)name.value, size - 1);
else {
if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
- && n > 0 && *list)
- {
+ && n > 0 && *list) {
strncpy(text, *list, size - 1);
XFreeStringList(list);
}
GrabModeAsync, GrabModeSync, None, None);
}
+void
+grabkeys(void) {
+ unsigned int i;
+ KeyCode code;
+
+ XUngrabKey(dpy, AnyKey, AnyModifier, root);
+ for(i = 0; i < LENGTH(keys); 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);
+ }
+}
+
unsigned int
idxoftag(const char *tag) {
unsigned int i;
- for(i = 0; i < ntags; i++)
- if(tags[i] == tag)
- return i;
- return 0;
+ for(i = 0; (i < LENGTH(tags)) && (tags[i] != tag); i++);
+ return (i < LENGTH(tags)) ? i : 0;
}
void
dc.font.height = dc.font.ascent + dc.font.descent;
}
-Bool
-isarrange(void (*func)())
-{
- return func == layouts[ltidx].arrange;
-}
-
Bool
isoccupied(unsigned int t) {
Client *c;
isvisible(Client *c) {
unsigned int i;
- for(i = 0; i < ntags; i++)
+ for(i = 0; i < LENGTH(tags); i++)
if(c->tags[i] && seltags[i])
return True;
return False;
void
keypress(XEvent *e) {
- KEYS
- unsigned int len = sizeof keys / sizeof keys[0];
unsigned int i;
- KeyCode code;
KeySym keysym;
XKeyEvent *ev;
- if(!e) { /* grabkeys */
- 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);
- }
- return;
- }
ev = &e->xkey;
keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
- for(i = 0; i < len; i++)
+ for(i = 0; i < LENGTH(keys); i++)
if(keysym == keys[i].keysym
&& CLEANMASK(keys[i].mod) == CLEANMASK(ev->state))
{
XSetWindowBorder(dpy, w, dc.norm[ColBorder]);
configure(c); /* propagates border_width, if size doesn't change */
updatesizehints(c);
- XSelectInput(dpy, w,
- StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
+ XSelectInput(dpy, w, EnterWindowMask | FocusChangeMask | PropertyChangeMask | StructureNotifyMask);
grabbuttons(c, False);
updatetitle(c);
if((rettrans = XGetTransientForHint(dpy, w, &trans) == Success))
XRefreshKeyboardMapping(ev);
if(ev->request == MappingKeyboard)
- keypress(NULL);
+ grabkeys();
}
void
readin = running = False;
}
+void
+reapply(const char *arg) {
+ static Bool zerotags[LENGTH(tags)] = { 0 };
+ Client *c;
+
+ for(c = clients; c; c = c->next) {
+ memcpy(c->tags, zerotags, sizeof zerotags);
+ applyrules(c);
+ }
+ arrange();
+}
+
void
resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
- double dx, dy, max, min, ratio;
XWindowChanges wc;
if(sizehints) {
drawbar();
if(!sel)
return;
- if(sel->isfloating || isarrange(floating))
+ if(sel->isfloating || (layout->arrange == floating))
XRaiseWindow(dpy, sel->win);
- if(!isarrange(floating)) {
+ if(layout->arrange != floating) {
wc.stack_mode = Below;
wc.sibling = barwin;
if(!sel->isfloating) {
void
run(void) {
char *p;
- int r, xfd;
+ char buf[sizeof stext];
fd_set rd;
+ int r, xfd;
+ unsigned int len, offset;
XEvent ev;
/* main event loop, also reads status text from stdin */
XSync(dpy, False);
xfd = ConnectionNumber(dpy);
readin = True;
+ offset = 0;
+ len = sizeof stext - 1;
+ buf[len] = stext[len] = '\0'; /* 0-terminator is never touched */
while(running) {
FD_ZERO(&rd);
if(readin)
eprint("select failed\n");
}
if(FD_ISSET(STDIN_FILENO, &rd)) {
- switch(r = read(STDIN_FILENO, stext, sizeof stext - 1)) {
+ switch((r = read(STDIN_FILENO, buf + offset, len - offset))) {
case -1:
- strncpy(stext, strerror(errno), sizeof stext - 1);
- stext[sizeof stext - 1] = '\0';
+ strncpy(stext, strerror(errno), len);
readin = False;
break;
case 0:
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);
+ for(p = buf + offset; r > 0; p++, r--, offset++)
+ if(*p == '\n' || *p == '\0') {
+ *p = '\0';
+ strncpy(stext, buf, len);
+ p += r - 1; /* p is buf + offset + r - 1 */
+ for(r = 0; *(p - r) && *(p - r) != '\n'; r++);
+ offset = r;
+ if(r)
+ memmove(buf, p - r + 1, r);
+ break;
+ }
+ break;
}
drawbar();
}
unsigned int i;
if(!arg) {
- if(++ltidx == nlayouts)
- ltidx = 0;;
+ if(++layout == &layouts[LENGTH(layouts)])
+ layout = &layouts[0];
}
else {
- for(i = 0; i < nlayouts; i++)
+ for(i = 0; i < LENGTH(layouts); i++)
if(!strcmp(arg, layouts[i].symbol))
break;
- if(i == nlayouts)
+ if(i == LENGTH(layouts))
return;
- ltidx = i;
+ layout = &layouts[i];
}
if(sel)
arrange();
setmwfact(const char *arg) {
double delta;
- if(!ISTILE)
+ if(!domwfact)
return;
/* arg handling, manipulate mwfact */
if(arg == NULL)
mwfact = MWFACT;
- else if(1 == sscanf(arg, "%lf", &delta)) {
+ else if(sscanf(arg, "%lf", &delta) == 1) {
if(arg[0] == '+' || arg[0] == '-')
mwfact += delta;
else
XSelectInput(dpy, root, wa.event_mask);
/* grab keys */
- keypress(NULL);
+ grabkeys();
/* init tags */
+ memcpy(prevtags, seltags, sizeof seltags);
compileregs();
/* init appearance */
/* init layouts */
mwfact = MWFACT;
- nlayouts = sizeof layouts / sizeof layouts[0];
- for(blw = i = 0; i < nlayouts; i++) {
+ layout = &layouts[0];
+ for(blw = i = 0; i < LENGTH(layouts); i++) {
j = textw(layouts[i].symbol);
if(j > blw)
blw = j;
/* multihead support */
selscreen = XQueryPointer(dpy, root, &w, &w, &d, &d, &d, &d, &mask);
+
}
void
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;
+ for(i = 0; i < LENGTH(tags); i++)
+ sel->tags[i] = (NULL == arg);
+ sel->tags[idxoftag(arg)] = True;
arrange();
}
unsigned int i, n, nx, ny, nw, nh, mw, th;
Client *c, *mc;
+ domwfact = dozoom = True;
for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
n++;
nh = th - 2 * c->border;
}
resize(c, nx, ny, nw, nh, RESIZEHINTS);
+ if((RESIZEHINTS) && ((c->h < bh) || (c->h > nh) || (c->w < bh) || (c->w > nw)))
+ /* client doesn't accept size constraints */
+ resize(c, nx, ny, nw, nh, False);
if(n > 1 && th != wah)
ny = c->y + c->h + 2 * c->border;
}
if(!sel || sel->isfixed)
return;
if((sel->ismax = !sel->ismax)) {
- if(isarrange(floating) || sel->isfloating)
+ if((layout->arrange == floating) || sel->isfloating)
sel->wasfloating = True;
else {
togglefloating(NULL);
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;
+ for(j = 0; j < LENGTH(tags) && !sel->tags[j]; j++);
+ if(j == LENGTH(tags))
+ sel->tags[i] = True; /* at least one tag must be enabled */
arrange();
}
i = idxoftag(arg);
seltags[i] = !seltags[i];
- for(j = 0; j < ntags && !seltags[j]; j++);
- if(j == ntags)
+ for(j = 0; j < LENGTH(tags) && !seltags[j]; j++);
+ if(j == LENGTH(tags))
seltags[i] = True; /* at least one tag must be viewed */
arrange();
}
unsigned int i;
memcpy(prevtags, seltags, sizeof seltags);
- for(i = 0; i < ntags; i++)
- seltags[i] = arg == NULL;
- i = idxoftag(arg);
- if(i >= 0 && i < ntags)
- seltags[i] = True;
+ for(i = 0; i < LENGTH(tags); i++)
+ seltags[i] = (NULL == arg);
+ seltags[idxoftag(arg)] = True;
arrange();
}
void
viewprevtag(const char *arg) {
- static Bool tmptags[sizeof tags / sizeof tags[0]];
+ static Bool tmp[LENGTH(tags)];
- memcpy(tmptags, seltags, sizeof seltags);
+ memcpy(tmp, seltags, sizeof seltags);
memcpy(seltags, prevtags, sizeof seltags);
- memcpy(prevtags, tmptags, sizeof seltags);
+ memcpy(prevtags, tmp, sizeof seltags);
arrange();
}
zoom(const char *arg) {
Client *c;
- if(!sel || !ISTILE || sel->isfloating)
+ if(!sel || !dozoom || sel->isfloating)
return;
if((c = sel) == nexttiled(clients))
if(!(c = nexttiled(c->next)))
int
main(int argc, char *argv[]) {
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");
+ eprint("dwm-"VERSION", © 2006-2007 Anselm R. Garbe, Sander van Dijk, "
+ "Jukka Salmi, Premysl Hruby, Szabolcs Nagy\n");
else if(argc != 1)
eprint("usage: dwm [-v]\n");