* dynamic window manager is designed like any other X client as well. It is
* driven through handling X events. In contrast to other X clients, a window
* manager selects for SubstructureRedirectMask on the root window, to receive
- * events about window (dis-)appearance. Only one X connection at a time is
+ * events about window (dis-)appearance. Only one X connection at a time is
* allowed to select for this event mask.
*
* The event handlers of dwm are organized in an array which is accessed
* in O(1) time.
*
* Each child of the root window is called a client, except windows which have
- * set the override_redirect flag. Clients are organized in a linked client
+ * set the override_redirect flag. Clients are organized in a linked client
* list on each monitor, the focus history is remembered through a stack list
* on each monitor. Each client contains a bit array to indicate the tags of a
* client.
/* enums */
enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
-enum { SchemeNorm, SchemeSel, SchemeLast }; /* color schemes */
-enum { NetSupported, NetWMName, NetWMState,
+enum { SchemeNorm, SchemeSel }; /* color schemes */
+enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
NetWMFullscreen, NetActiveWindow, NetWMWindowType,
NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
static void checkotherwm(void);
static void cleanup(void);
static void cleanupmon(Monitor *mon);
-static void clearurgent(Client *c);
static void clientmessage(XEvent *e);
static void configure(Client *c);
static void configurenotify(XEvent *e);
static void setlayout(const Arg *arg);
static void setmfact(const Arg *arg);
static void setup(void);
+static void seturgent(Client *c, int urg);
static void showhide(Client *c);
static void sigchld(int unused);
static void spawn(const Arg *arg);
static Atom wmatom[WMLast], netatom[NetLast];
static int running = 1;
static Cur *cursor[CurLast];
-static Scm scheme[SchemeLast];
+static Scm *scheme;
static Display *dpy;
static Drw *drw;
static Monitor *mons, *selmon;
-static Window root;
+static Window root, wmcheckwin;
/* configuration, allows nested code to access above variables */
#include "config.h"
click = ClkWinTitle;
} else if ((c = wintoclient(ev->window))) {
focus(c);
+ restack(selmon);
+ XAllowEvents(dpy, ReplayPointer, CurrentTime);
click = ClkClientWin;
}
for (i = 0; i < LENGTH(buttons); i++)
cleanupmon(mons);
for (i = 0; i < CurLast; i++)
drw_cur_free(drw, cursor[i]);
- for (i = 0; i < SchemeLast; i++)
+ for (i = 0; i < LENGTH(colors); i++)
free(scheme[i]);
+ XDestroyWindow(dpy, wmcheckwin);
drw_free(drw);
XSync(dpy, False);
XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
free(mon);
}
-void
-clearurgent(Client *c)
-{
- XWMHints *wmh;
-
- c->isurgent = 0;
- if (!(wmh = XGetWMHints(dpy, c->win)))
- return;
- wmh->flags &= ~XUrgencyHint;
- XSetWMHints(dpy, c->win, wmh);
- XFree(wmh);
-}
-
void
clientmessage(XEvent *e)
{
if (!c)
return;
if (cme->message_type == netatom[NetWMState]) {
- if (cme->data.l[1] == netatom[NetWMFullscreen] || cme->data.l[2] == netatom[NetWMFullscreen])
+ if (cme->data.l[1] == netatom[NetWMFullscreen]
+ || cme->data.l[2] == netatom[NetWMFullscreen])
setfullscreen(c, (cme->data.l[0] == 1 /* _NET_WM_STATE_ADD */
- || (cme->data.l[0] == 2 /* _NET_WM_STATE_TOGGLE */ && !c->isfullscreen)));
+ || (cme->data.l[0] == 2 /* _NET_WM_STATE_TOGGLE */ && !c->isfullscreen)));
} else if (cme->message_type == netatom[NetActiveWindow]) {
- if (!ISVISIBLE(c)) {
- c->mon->seltags ^= 1;
- c->mon->tagset[c->mon->seltags] = c->tags;
- }
- pop(c);
+ if (c != selmon->sel && !c->isurgent)
+ seturgent(c, 1);
}
}
/* draw status first so it can be overdrawn by tags later */
if (m == selmon) { /* status is only drawn on selected monitor */
drw_setscheme(drw, scheme[SchemeNorm]);
- sw = TEXTW(stext) - lrpad / 2; /* no right padding so status text hugs the corner */
- drw_text(drw, m->ww - sw, 0, sw, bh, lrpad / 2 - 2, stext, 0);
+ sw = TEXTW(stext) - lrpad + 2; /* 2px right padding */
+ drw_text(drw, m->ww - sw, 0, sw, bh, 0, stext, 0);
}
for (c = m->clients; c; c = c->next) {
drw_text(drw, x, 0, w, bh, lrpad / 2, tags[i], urg & 1 << i);
if (occ & 1 << i)
drw_rect(drw, x + boxs, boxs, boxw, boxw,
- m == selmon && selmon->sel && selmon->sel->tags & 1 << i,
- urg & 1 << i);
+ m == selmon && selmon->sel && selmon->sel->tags & 1 << i,
+ urg & 1 << i);
x += w;
}
w = blw = TEXTW(m->ltsymbol);
{
if (!c || !ISVISIBLE(c))
for (c = selmon->stack; c && !ISVISIBLE(c); c = c->snext);
- /* was if (selmon->sel) */
if (selmon->sel && selmon->sel != c)
unfocus(selmon->sel, 0);
if (c) {
if (c->mon != selmon)
selmon = c->mon;
if (c->isurgent)
- clearurgent(c);
+ seturgent(c, 0);
detachstack(c);
attachstack(c);
grabbuttons(c, 1);
drawbars();
}
-/* there are some broken focus acquiring clients */
+/* there are some broken focus acquiring clients needing extra handling */
void
focusin(XEvent *e)
{
return;
if ((m = dirtomon(arg->i)) == selmon)
return;
- unfocus(selmon->sel, 0); /* s/1/0/ fixes input focus issues
- in gedit and anjuta */
+ unfocus(selmon->sel, 0);
selmon = m;
focus(NULL);
}
Atom da, atom = None;
if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, XA_ATOM,
- &da, &di, &dl, &dl, &p) == Success && p) {
+ &da, &di, &dl, &dl, &p) == Success && p) {
atom = *(Atom *)p;
XFree(p);
}
Atom real;
if (XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState],
- &real, &format, &n, &extra, (unsigned char **)&p) != Success)
+ &real, &format, &n, &extra, (unsigned char **)&p) != Success)
return -1;
if (n != 0)
result = *p;
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
+ if (!focused)
XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,
- BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
+ BUTTONMASK, GrabModeSync, GrabModeSync, None, None);
+ 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);
}
}
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);
+ True, GrabModeAsync, GrabModeAsync);
}
}
c->x = MAX(c->x, c->mon->mx);
/* only fix client y-offset, if the client center might cover the bar */
c->y = MAX(c->y, ((c->mon->by == c->mon->my) && (c->x + (c->w / 2) >= c->mon->wx)
- && (c->x + (c->w / 2) < c->mon->wx + c->mon->ww)) ? bh : c->mon->my);
+ && (c->x + (c->w / 2) < c->mon->wx + c->mon->ww)) ? bh : c->mon->my);
c->bw = borderpx;
wc.border_width = c->bw;
attach(c);
attachstack(c);
XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32, PropModeAppend,
- (unsigned char *) &(c->win), 1);
+ (unsigned char *) &(c->win), 1);
XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */
setclientstate(c, NormalState);
if (c->mon == selmon)
ocx = c->x;
ocy = c->y;
if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
- None, cursor[CurMove]->cursor, CurrentTime) != GrabSuccess)
+ None, cursor[CurMove]->cursor, CurrentTime) != GrabSuccess)
return;
if (!getrootptr(&x, &y))
return;
nx = ocx + (ev.xmotion.x - x);
ny = ocy + (ev.xmotion.y - y);
- if (nx >= selmon->wx && nx <= selmon->wx + selmon->ww
- && ny >= selmon->wy && ny <= selmon->wy + selmon->wh) {
- if (abs(selmon->wx - nx) < snap)
- nx = selmon->wx;
- else if (abs((selmon->wx + selmon->ww) - (nx + WIDTH(c))) < snap)
- nx = selmon->wx + selmon->ww - WIDTH(c);
- if (abs(selmon->wy - ny) < snap)
- ny = selmon->wy;
- else if (abs((selmon->wy + selmon->wh) - (ny + HEIGHT(c))) < snap)
- ny = selmon->wy + selmon->wh - HEIGHT(c);
- if (!c->isfloating && selmon->lt[selmon->sellt]->arrange
- && (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
- togglefloating(NULL);
- }
+ if (abs(selmon->wx - nx) < snap)
+ nx = selmon->wx;
+ else if (abs((selmon->wx + selmon->ww) - (nx + WIDTH(c))) < snap)
+ nx = selmon->wx + selmon->ww - WIDTH(c);
+ if (abs(selmon->wy - ny) < snap)
+ ny = selmon->wy;
+ else if (abs((selmon->wy + selmon->wh) - (ny + HEIGHT(c))) < snap)
+ ny = selmon->wy + selmon->wh - HEIGHT(c);
+ if (!c->isfloating && selmon->lt[selmon->sellt]->arrange
+ && (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
+ togglefloating(NULL);
if (!selmon->lt[selmon->sellt]->arrange || c->isfloating)
resize(c, nx, ny, c->w, c->h, 1);
break;
default: break;
case XA_WM_TRANSIENT_FOR:
if (!c->isfloating && (XGetTransientForHint(dpy, c->win, &trans)) &&
- (c->isfloating = (wintoclient(trans)) != NULL))
+ (c->isfloating = (wintoclient(trans)) != NULL))
arrange(c->mon);
break;
case XA_WM_NORMAL_HINTS:
ocx = c->x;
ocy = c->y;
if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
- None, cursor[CurResize]->cursor, CurrentTime) != GrabSuccess)
+ None, cursor[CurResize]->cursor, CurrentTime) != GrabSuccess)
return;
XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
do {
long data[] = { state, None };
XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
- PropModeReplace, (unsigned char *)data, 2);
+ PropModeReplace, (unsigned char *)data, 2);
}
int
if (!c->neverfocus) {
XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
XChangeProperty(dpy, root, netatom[NetActiveWindow],
- XA_WINDOW, 32, PropModeReplace,
- (unsigned char *) &(c->win), 1);
+ XA_WINDOW, 32, PropModeReplace,
+ (unsigned char *) &(c->win), 1);
}
sendevent(c, wmatom[WMTakeFocus]);
}
{
if (fullscreen && !c->isfullscreen) {
XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
- PropModeReplace, (unsigned char*)&netatom[NetWMFullscreen], 1);
+ PropModeReplace, (unsigned char*)&netatom[NetWMFullscreen], 1);
c->isfullscreen = 1;
c->oldstate = c->isfloating;
c->oldbw = c->bw;
XRaiseWindow(dpy, c->win);
} else if (!fullscreen && c->isfullscreen){
XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
- PropModeReplace, (unsigned char*)0, 0);
+ PropModeReplace, (unsigned char*)0, 0);
c->isfullscreen = 0;
c->isfloating = c->oldstate;
c->bw = c->oldbw;
drawbar(selmon);
}
-/* arg > 1.0 will set mfact absolutly */
+/* arg > 1.0 will set mfact absolutely */
void
setmfact(const Arg *arg)
{
void
setup(void)
{
+ int i;
XSetWindowAttributes wa;
+ Atom utf8string;
/* clean up any zombies immediately */
sigchld(0);
root = RootWindow(dpy, screen);
drw = drw_create(dpy, screen, root, sw, sh);
if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
- die("no fonts could be loaded.\n");
+ die("no fonts could be loaded.");
lrpad = drw->fonts->h;
bh = drw->fonts->h + 2;
updategeom();
/* init atoms */
+ utf8string = XInternAtom(dpy, "UTF8_STRING", False);
wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False);
+ netatom[NetWMCheck] = XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", False);
netatom[NetWMFullscreen] = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
cursor[CurResize] = drw_cur_create(drw, XC_sizing);
cursor[CurMove] = drw_cur_create(drw, XC_fleur);
/* init appearance */
- scheme[SchemeNorm] = drw_scm_create(drw, colors[SchemeNorm], 3);
- scheme[SchemeSel] = drw_scm_create(drw, colors[SchemeSel], 3);
+ scheme = ecalloc(LENGTH(colors), sizeof(Scm));
+ for (i = 0; i < LENGTH(colors); i++)
+ scheme[i] = drw_scm_create(drw, colors[i], 3);
/* init bars */
updatebars();
updatestatus();
+ /* supporting window for NetWMCheck */
+ wmcheckwin = XCreateSimpleWindow(dpy, root, 0, 0, 1, 1, 0, 0, 0);
+ XChangeProperty(dpy, wmcheckwin, netatom[NetWMCheck], XA_WINDOW, 32,
+ PropModeReplace, (unsigned char *) &wmcheckwin, 1);
+ XChangeProperty(dpy, wmcheckwin, netatom[NetWMName], utf8string, 8,
+ PropModeReplace, (unsigned char *) "dwm", 4);
+ XChangeProperty(dpy, root, netatom[NetWMCheck], XA_WINDOW, 32,
+ PropModeReplace, (unsigned char *) &wmcheckwin, 1);
/* EWMH support per view */
XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
- PropModeReplace, (unsigned char *) netatom, NetLast);
+ PropModeReplace, (unsigned char *) netatom, NetLast);
XDeleteProperty(dpy, root, netatom[NetClientList]);
- /* select for events */
+ /* select events */
wa.cursor = cursor[CurNormal]->cursor;
- wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask|PointerMotionMask
- |EnterWindowMask|LeaveWindowMask|StructureNotifyMask|PropertyChangeMask;
+ wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask
+ |ButtonPressMask|PointerMotionMask|EnterWindowMask
+ |LeaveWindowMask|StructureNotifyMask|PropertyChangeMask;
XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
XSelectInput(dpy, root, wa.event_mask);
grabkeys();
focus(NULL);
}
+
+void
+seturgent(Client *c, int urg)
+{
+ XWMHints *wmh;
+
+ c->isurgent = urg;
+ if (!(wmh = XGetWMHints(dpy, c->win)))
+ return;
+ wmh->flags = urg ? (wmh->flags | XUrgencyHint) : (wmh->flags & ~XUrgencyHint);
+ XSetWMHints(dpy, c->win, wmh);
+ XFree(wmh);
+}
+
void
showhide(Client *c)
{
selmon->sel->isfloating = !selmon->sel->isfloating || selmon->sel->isfixed;
if (selmon->sel->isfloating)
resize(selmon->sel, selmon->sel->x, selmon->sel->y,
- selmon->sel->w, selmon->sel->h, 0);
+ selmon->sel->w, selmon->sel->h, 0);
arrange(selmon);
}
Monitor *m = c->mon;
XWindowChanges wc;
- /* The server grab construct avoids race conditions. */
detach(c);
detachstack(c);
if (!destroyed) {
wc.border_width = c->oldbw;
- XGrabServer(dpy);
+ XGrabServer(dpy); /* avoid race conditions */
XSetErrorHandler(xerrordummy);
XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
.background_pixmap = ParentRelative,
.event_mask = ButtonPressMask|ExposureMask
};
+ XClassHint ch = {"dwm", "dwm"};
for (m = mons; m; m = m->next) {
if (m->barwin)
continue;
m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
- CopyFromParent, DefaultVisual(dpy, screen),
- CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
+ CopyFromParent, DefaultVisual(dpy, screen),
+ CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor);
XMapRaised(dpy, m->barwin);
+ XSetClassHint(dpy, m->barwin, &ch);
}
}
for (m = mons; m; m = m->next)
for (c = m->clients; c; c = c->next)
XChangeProperty(dpy, root, netatom[NetClientList],
- XA_WINDOW, 32, PropModeAppend,
- (unsigned char *) &(c->win), 1);
+ XA_WINDOW, 32, PropModeAppend,
+ (unsigned char *) &(c->win), 1);
}
int
memcpy(&unique[j++], &info[i], sizeof(XineramaScreenInfo));
XFree(info);
nn = j;
- if (n <= nn) {
- for (i = 0; i < (nn - n); i++) { /* new monitors available */
+ if (n <= nn) { /* new monitors available */
+ for (i = 0; i < (nn - n); i++) {
for (m = mons; m && m->next; m = m->next);
if (m)
m->next = createmon();
}
for (i = 0, m = mons; i < nn && m; m = m->next, i++)
if (i >= n
- || (unique[i].x_org != m->mx || unique[i].y_org != m->my
- || unique[i].width != m->mw || unique[i].height != m->mh))
+ || unique[i].x_org != m->mx || unique[i].y_org != m->my
+ || unique[i].width != m->mw || unique[i].height != m->mh)
{
dirty = 1;
m->num = i;
m->mh = m->wh = unique[i].height;
updatebarpos(m);
}
- } else {
- /* less monitors available nn < n */
+ } else { /* less monitors available nn < n */
for (i = nn; i < n; i++) {
for (m = mons; m && m->next; m = m->next);
- while (m->clients) {
+ while ((c = m->clients)) {
dirty = 1;
- c = m->clients;
m->clients = c->next;
detachstack(c);
c->mon = mons;
free(unique);
} else
#endif /* XINERAMA */
- /* default monitor setup */
- {
+ { /* default monitor setup */
if (!mons)
mons = createmon();
if (mons->mw != sw || mons->mh != sh) {
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))
+ == XKeysymToKeycode(dpy, XK_Num_Lock))
numlockmask = (1 << i);
XFreeModifiermap(modmap);
}
c->maxa = (float)size.max_aspect.x / size.max_aspect.y;
} 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->isfixed = (c->maxw && c->maxh && c->maxw == c->minw && c->maxh == c->minh);
}
void
}
/* 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. */
+ * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
+ * default error handler, which may call exit. */
int
xerror(Display *dpy, XErrorEvent *ee)
{
|| (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);
+ ee->request_code, ee->error_code);
return xerrorxlib(dpy, ee); /* may call exit */
}
int
xerrorstart(Display *dpy, XErrorEvent *ee)
{
- die("dwm: another window manager is already running\n");
+ die("dwm: another window manager is already running");
return -1;
}
main(int argc, char *argv[])
{
if (argc == 2 && !strcmp("-v", argv[1]))
- die("dwm-"VERSION "\n");
+ die("dwm-"VERSION);
else if (argc != 1)
- die("usage: dwm [-v]\n");
+ die("usage: dwm [-v]");
if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
fputs("warning: no locale support\n", stderr);
if (!(dpy = XOpenDisplay(NULL)))
- die("dwm: cannot open display\n");
+ die("dwm: cannot open display");
checkotherwm();
setup();
scan();
