* 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.
*
/* 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)
+
/* enums */
enum { BarTop, BarBot, BarOff }; /* bar position */
enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
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 isarrange(void (*func)());
Bool isoccupied(unsigned int t);
Bool isprotodel(Client *c);
Bool isvisible(Client *c);
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,
[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)] = {[0] = True};
/* function implementations */
void
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);
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
}
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))
{
XRefreshKeyboardMapping(ev);
if(ev->request == MappingKeyboard)
- keypress(NULL);
+ grabkeys();
}
void
readin = running = False;
}
+
void
resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
XWindowChanges wc;
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;
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;
+ 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, stext + 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);
+ stext[offset + r] = '\0';
+ for(p = stext; *p && *p != '\n'; p++);
+ if(*p == '\n') {
+ *p = '\0';
+ offset = 0;
+ }
+ else
+ offset = (offset + r < len - 1) ? offset + r : 0;
}
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 */
compileregs();
/* 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;
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();
}
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");
Got questions, comments, patches, etc.? Contact Jason Woofenden