* To understand everything else, start reading main().
*/
#include <errno.h>
+#include <locale.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAXTAGLEN 16
#define MOUSEMASK (BUTTONMASK|PointerMotionMask)
+#define WIDTH(x) ((x)->w + 2 * (x)->bw)
+#define HEIGHT(x) ((x)->h + 2 * (x)->bw)
#define TAGMASK ((int)((1LL << LENGTH(tags)) - 1))
#define TEXTW(x) (textnw(x, strlen(x)) + dc.font.height)
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 */
+enum { WMProtocols, WMDelete, WMState, WMLast }; /* default atoms */
enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
static void setlayout(const Arg *arg);
static void setmfact(const Arg *arg);
static void setup(void);
+static void showhide(Client *c);
static void spawn(const Arg *arg);
static void tag(const Arg *arg);
static int textnw(const char *text, unsigned int len);
static void unmapnotify(XEvent *e);
static void updatebar(void);
static void updategeom(void);
+static void updatenumlockmask(void);
static void updatesizehints(Client *c);
static void updatetitle(Client *c);
static void updatewmhints(Client *c);
static Atom wmatom[WMLast], netatom[NetLast];
static Bool otherwm;
static Bool running = True;
-static unsigned int 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 DC dc;
static Layout *lt[] = { NULL, NULL };
static Window root, barwin;
/* configuration, allows nested code to access above variables */
XClassHint ch = { 0 };
/* rule matching */
- XGetClassHint(dpy, c->win, &ch);
- for(i = 0; i < LENGTH(rules); i++) {
- r = &rules[i];
- if((!r->title || strstr(c->name, r->title))
- && (!r->class || (ch.res_class && strstr(ch.res_class, r->class)))
- && (!r->instance || (ch.res_name && strstr(ch.res_name, r->instance)))) {
- c->isfloating = r->isfloating;
- c->tags |= r->tags & TAGMASK;
+ if(XGetClassHint(dpy, c->win, &ch)) {
+ for(i = 0; i < LENGTH(rules); i++) {
+ r = &rules[i];
+ if((!r->title || strstr(c->name, r->title))
+ && (!r->class || (ch.res_class && strstr(ch.res_class, r->class)))
+ && (!r->instance || (ch.res_name && strstr(ch.res_name, r->instance)))) {
+ c->isfloating = r->isfloating;
+ c->tags |= r->tags & TAGMASK;
+ }
}
+ if(ch.res_class)
+ XFree(ch.res_class);
+ if(ch.res_name)
+ XFree(ch.res_name);
}
- if(ch.res_class)
- XFree(ch.res_class);
- if(ch.res_name)
- XFree(ch.res_name);
if(!c->tags)
c->tags = tagset[seltags];
}
void
arrange(void) {
- Client *c;
-
- for(c = clients; c; c = c->next)
- if(ISVISIBLE(c)) {
- XMoveWindow(dpy, c->win, c->x, c->y);
- if(!lt[sellt]->arrange || c->isfloating)
- resize(c, c->x, c->y, c->w, c->h, True);
- }
- else {
- XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
- }
-
+ showhide(stack);
focus(NULL);
if(lt[sellt]->arrange)
lt[sellt]->arrange();
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(click == ClkTagBar ? &arg : &buttons[i].arg);
+ buttons[i].func(click == ClkTagBar && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
}
void
checkotherwm(void) {
otherwm = False;
- XSetErrorHandler(xerrorstart);
+ xerrorxlib = XSetErrorHandler(xerrorstart);
/* this causes an error if some other window manager is running */
XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask);
XSync(dpy, False);
if(otherwm)
die("dwm: another window manager is already running\n");
- XSetErrorHandler(NULL);
- xerrorxlib = XSetErrorHandler(xerror);
+ XSetErrorHandler(xerror);
XSync(dpy, False);
}
y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
x = dc.x + (h / 2);
/* shorten text if necessary */
- for(len = MIN(olen, sizeof buf); len && textnw(buf, len) > dc.w - h; len--);
+ for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--);
if(!len)
return;
memcpy(buf, text, len);
void
grabbuttons(Client *c, Bool focused) {
- unsigned int i, j;
- unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
-
- XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
- if(focused) {
- for(i = 0; i < LENGTH(buttons); i++)
- if(buttons[i].click == ClkClientWin)
- for(j = 0; j < LENGTH(modifiers); j++)
- XGrabButton(dpy, buttons[i].button, buttons[i].mask | modifiers[j], c->win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
- } else
- XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,
- BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
+ updatenumlockmask();
+ {
+ unsigned int i, j;
+ unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
+ XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
+ if(focused) {
+ for(i = 0; i < LENGTH(buttons); i++)
+ if(buttons[i].click == ClkClientWin)
+ for(j = 0; j < LENGTH(modifiers); j++)
+ XGrabButton(dpy, buttons[i].button, buttons[i].mask | modifiers[j], c->win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
+ } else
+ XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,
+ BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
+ }
}
void
grabkeys(void) {
- unsigned int i, j;
- unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
- KeyCode code;
- XModifierKeymap *modmap;
-
- /* 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);
+ updatenumlockmask();
+ { /* grab keys */
+ unsigned int i, j;
+ unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
+ KeyCode code;
+
+ XUngrabKey(dpy, AnyKey, AnyModifier, root);
+ for(i = 0; i < LENGTH(keys); i++) {
+ if((code = XKeysymToKeycode(dpy, keys[i].keysym)))
+ for(j = 0; j < LENGTH(modifiers); j++)
+ XGrabKey(dpy, code, keys[i].mod | modifiers[j], root,
+ True, GrabModeAsync, GrabModeAsync);
}
- XFreeModifiermap(modmap);
-
- XUngrabKey(dpy, AnyKey, AnyModifier, root);
- for(i = 0; i < LENGTH(keys); i++) {
- code = XKeysymToKeycode(dpy, keys[i].keysym);
- for(j = 0; j < LENGTH(modifiers); j++)
- XGrabKey(dpy, code, keys[i].mod | modifiers[j], root, True,
- GrabModeAsync, GrabModeAsync);
}
}
int i, n;
missing = NULL;
- if(dc.font.set)
- XFreeFontSet(dpy, dc.font.set);
dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
if(missing) {
while(n--)
}
}
else {
- if(dc.font.xfont)
- XFreeFont(dpy, dc.font.xfont);
- dc.font.xfont = NULL;
if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
&& !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
die("error, cannot load font: '%s'\n", fontstr);
void
manage(Window w, XWindowAttributes *wa) {
+ static Client cz;
Client *c, *t = NULL;
Window trans = None;
XWindowChanges wc;
- if(!(c = calloc(1, sizeof(Client))))
- die("fatal: could not calloc() %u bytes\n", sizeof(Client));
+ if(!(c = malloc(sizeof(Client))))
+ die("fatal: could not malloc() %u bytes\n", sizeof(Client));
+ *c = cz;
c->win = w;
/* geometry */
c->bw = 0;
}
else {
- if(c->x + c->w + 2 * c->bw > sx + sw)
- c->x = sx + sw - c->w - 2 * c->bw;
- if(c->y + c->h + 2 * c->bw > sy + sh)
- c->y = sy + sh - c->h - 2 * c->bw;
+ if(c->x + WIDTH(c) > sx + sw)
+ c->x = sx + sw - WIDTH(c);
+ if(c->y + HEIGHT(c) > sy + sh)
+ c->y = sy + sh - HEIGHT(c);
c->x = MAX(c->x, sx);
/* only fix client y-offset, if the client center might cover the bar */
c->y = MAX(c->y, ((by == 0) && (c->x + (c->w / 2) >= wx) && (c->x + (c->w / 2) < wx + ww)) ? bh : sy);
if(!(c = sel))
return;
restack();
- ocx = nx = c->x;
- ocy = ny = c->y;
+ ocx = c->x;
+ ocy = c->y;
if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
None, cursor[CurMove], CurrentTime) != GrabSuccess)
return;
XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui);
- for(;;) {
+ if(usegrab)
+ XGrabServer(dpy);
+ do {
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 - x);
ny = ocy + (ev.xmotion.y - y);
if(snap && nx >= wx && nx <= wx + ww
&& ny >= wy && ny <= wy + wh) {
if(abs(wx - nx) < snap)
nx = wx;
- else if(abs((wx + ww) - (nx + c->w + 2 * c->bw)) < snap)
- nx = wx + ww - c->w - 2 * c->bw;
+ else if(abs((wx + ww) - (nx + WIDTH(c))) < snap)
+ nx = wx + ww - WIDTH(c);
if(abs(wy - ny) < snap)
ny = wy;
- else if(abs((wy + wh) - (ny + c->h + 2 * c->bw)) < snap)
- ny = wy + wh - c->h - 2 * c->bw;
+ else if(abs((wy + wh) - (ny + HEIGHT(c))) < snap)
+ ny = wy + wh - HEIGHT(c);
if(!c->isfloating && lt[sellt]->arrange && (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
togglefloating(NULL);
}
break;
}
}
+ while(ev.type != ButtonRelease);
+ if(usegrab)
+ XUngrabServer(dpy);
+ XUngrabPointer(dpy, CurrentTime);
}
Client *
XWindowChanges wc;
if(sizehints) {
+ /* see last two sentences in ICCCM 4.1.2.3 */
+ Bool baseismin = c->basew == c->minw && c->baseh == c->minh;
+
/* set minimum possible */
w = MAX(1, w);
h = MAX(1, h);
- /* temporarily remove base dimensions */
- w -= c->basew;
- h -= c->baseh;
+ if(!baseismin) { /* temporarily remove base dimensions */
+ w -= c->basew;
+ h -= c->baseh;
+ }
/* adjust for aspect limits */
if(c->mina > 0 && c->maxa > 0) {
- if(c->maxa < (float) w/h)
+ if(c->maxa < (float)w / h)
w = h * c->maxa;
- else if(c->mina > (float) h/w)
+ else if(c->mina < (float)h / w)
h = w * c->mina;
}
+ if(baseismin) { /* increment calculation requires this */
+ w -= c->basew;
+ h -= c->baseh;
+ }
+
/* adjust for increment value */
if(c->incw)
w -= w % c->incw;
if(w <= 0 || h <= 0)
return;
if(x > sx + sw)
- x = sw - w - 2 * c->bw;
+ x = sw - WIDTH(c);
if(y > sy + sh)
- y = sh - h - 2 * c->bw;
+ y = sh - HEIGHT(c);
if(x + w + 2 * c->bw < sx)
x = sx;
if(y + h + 2 * c->bw < sy)
None, cursor[CurResize], CurrentTime) != GrabSuccess)
return;
XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
- for(;;) {
- XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask , &ev);
+ if(usegrab)
+ XGrabServer(dpy);
+ do {
+ XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
switch(ev.type) {
- case ButtonRelease:
- XWarpPointer(dpy, None, c->win, 0, 0, 0, 0,
- c->w + c->bw - 1, c->h + c->bw - 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);
- nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
- nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
+ nw = MAX(ev.xmotion.x - ocx - 2*c->bw + 1, 1);
+ nh = MAX(ev.xmotion.y - ocy - 2*c->bw + 1, 1);
if(snap && nw >= wx && nw <= wx + ww
&& nh >= wy && nh <= wy + wh) {
break;
}
}
+ while(ev.type != ButtonRelease);
+ if(usegrab)
+ XUngrabServer(dpy);
+ XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
+ XUngrabPointer(dpy, CurrentTime);
+ while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}
void
/* 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);
XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
XSelectInput(dpy, root, wa.event_mask);
-
- /* grab keys */
grabkeys();
}
void
+showhide(Client *c) {
+ if(!c)
+ return;
+ if(ISVISIBLE(c)) { /* show clients top down */
+ XMoveWindow(dpy, c->win, c->x, c->y);
+ if(!lt[sellt]->arrange || c->isfloating)
+ resize(c, c->x, c->y, c->w, c->h, True);
+ showhide(c->snext);
+ }
+ else { /* hide clients bottom up */
+ showhide(c->snext);
+ XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
+ }
+}
+
+void
spawn(const Arg *arg) {
/* The double-fork construct avoids zombie processes and keeps the code
* clean from stupid signal handlers. */
h = wh;
for(i = 0, c = nexttiled(c->next); c; c = nexttiled(c->next), i++) {
- resize(c, x, y, w - 2 * c->bw, /* remainder */ ((i + 1 == n)
- ? (wy + wh) - y : h) - 2 * c->bw, resizehints);
+ if(i + 1 == n) { /* remainder */
+ if(wy + wh - y < bh)
+ resize(c, x, y, w - 2 * c->bw, wy + wh - y - 2 * c->bw, False);
+ else
+ resize(c, x, y, w - 2 * c->bw, wy + wh - y - 2 * c->bw, resizehints);
+ }
+ else
+ resize(c, x, y, w - 2 * c->bw, h - 2 * c->bw, resizehints);
if(h != wh)
- y = c->y + c->h + 2 * c->bw;
+ y = c->y + HEIGHT(c);
}
}
void
toggletag(const Arg *arg) {
- unsigned int mask = sel->tags ^ (arg->ui & TAGMASK);
+ unsigned int mask;
+ if (!sel)
+ return;
+
+ mask = sel->tags ^ (arg->ui & TAGMASK);
if(sel && mask) {
sel->tags = mask;
arrange();
}
void
+updatenumlockmask(void) {
+ unsigned int i, j;
+ XModifierKeymap *modmap;
+
+ numlockmask = 0;
+ 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);
+}
+
+void
updatesizehints(Client *c) {
long msize;
XSizeHints size;
- XGetWMNormalHints(dpy, c->win, &size, &msize);
+ if(!XGetWMNormalHints(dpy, c->win, &size, &msize))
+ /* size is uninitialized, ensure that size.flags aren't used */
+ size.flags = PSize;
if(size.flags & PBaseSize) {
c->basew = size.base_width;
c->baseh = size.base_height;
else
c->maxa = c->mina = 0.0;
c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
- && c->maxw == c->minw && c->maxh == c->minh);
+ && c->maxw == c->minw && c->maxh == c->minh);
}
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);
+ gettextprop(c->win, XA_WM_NAME, c->name, sizeof c->name);
}
void
else if(argc != 1)
die("usage: dwm [-v]\n");
- if(!XSupportsLocale())
+ if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
fprintf(stderr, "warning: no locale support\n");
if(!(dpy = XOpenDisplay(0)))
Got questions, comments, patches, etc.? Contact Jason Woofenden