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cleanup 

- unify multi-line expression alignment style.
- unify multi-line function call alignment style.
- simplify client moving on monitor count decrease.
- clarify comment for focusin().
- remove old confusing comment about input focus fix in focusmon(). The
  explanation is already in the old commit message, so no need to keep it in the
  code.
- remove old comment describing even older state of the code in focus().
- unify comment style.
- break up some long lines.
- fix some typos and grammar.
This commit is contained in:
Markus Teich 2017-01-07 17:21:28 +01:00 committed by Anselm R Garbe
parent bb3bd6fec3
commit 2952b68db8
3 changed files with 32 additions and 36 deletions
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2
LICENSE
View File

@ -16,7 +16,7 @@ MIT/X Consortium License
© 2011 Christoph Lohmann <20h@r-36.net> © 2011 Christoph Lohmann <20h@r-36.net>
© 2015-2016 Quentin Rameau <quinq@fifth.space> © 2015-2016 Quentin Rameau <quinq@fifth.space>
© 2015-2016 Eric Pruitt <eric.pruitt@gmail.com> © 2015-2016 Eric Pruitt <eric.pruitt@gmail.com>
© 2016 Markus Teich <markus.teich@stusta.mhn.de> © 2016-2017 Markus Teich <markus.teich@stusta.mhn.de>
Permission is hereby granted, free of charge, to any person obtaining a Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"), copy of this software and associated documentation files (the "Software"),

2
config.def.h
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@ -15,7 +15,7 @@ static const char col_cyan[] = "#005577";
static const char *colors[][3] = { static const char *colors[][3] = {
/* fg bg border */ /* fg bg border */
[SchemeNorm] = { col_gray3, col_gray1, col_gray2 }, [SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
[SchemeSel] = { col_gray4, col_cyan, col_cyan }, [SchemeSel] = { col_gray4, col_cyan, col_cyan },
}; };
/* tagging */ /* tagging */

64
dwm.c
View File

@ -3,7 +3,7 @@
* dynamic window manager is designed like any other X client as well. It is * 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 * driven through handling X events. In contrast to other X clients, a window
* manager selects for SubstructureRedirectMask on the root window, to receive * 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. * allowed to select for this event mask.
* *
* The event handlers of dwm are organized in an array which is accessed * The event handlers of dwm are organized in an array which is accessed
@ -11,7 +11,7 @@
* in O(1) time. * in O(1) time.
* *
* Each child of the root window is called a client, except windows which have * 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 * 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 * on each monitor. Each client contains a bit array to indicate the tags of a
* client. * client.
@ -517,7 +517,8 @@ clientmessage(XEvent *e)
if (!c) if (!c)
return; return;
if (cme->message_type == netatom[NetWMState]) { 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 */ 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]) { } else if (cme->message_type == netatom[NetActiveWindow]) {
@ -783,7 +784,6 @@ focus(Client *c)
{ {
if (!c || !ISVISIBLE(c)) if (!c || !ISVISIBLE(c))
for (c = selmon->stack; c && !ISVISIBLE(c); c = c->snext); for (c = selmon->stack; c && !ISVISIBLE(c); c = c->snext);
/* was if (selmon->sel) */
if (selmon->sel && selmon->sel != c) if (selmon->sel && selmon->sel != c)
unfocus(selmon->sel, 0); unfocus(selmon->sel, 0);
if (c) { if (c) {
@ -804,7 +804,7 @@ focus(Client *c)
drawbars(); drawbars();
} }
/* there are some broken focus acquiring clients */ /* there are some broken focus acquiring clients needing extra handling */
void void
focusin(XEvent *e) focusin(XEvent *e)
{ {
@ -823,8 +823,7 @@ focusmon(const Arg *arg)
return; return;
if ((m = dirtomon(arg->i)) == selmon) if ((m = dirtomon(arg->i)) == selmon)
return; return;
unfocus(selmon->sel, 0); /* s/1/0/ fixes input focus issues unfocus(selmon->sel, 0);
in gedit and anjuta */
selmon = m; selmon = m;
focus(NULL); focus(NULL);
} }
@ -961,7 +960,7 @@ grabkeys(void)
if ((code = XKeysymToKeycode(dpy, keys[i].keysym))) if ((code = XKeysymToKeycode(dpy, keys[i].keysym)))
for (j = 0; j < LENGTH(modifiers); j++) for (j = 0; j < LENGTH(modifiers); j++)
XGrabKey(dpy, code, keys[i].mod | modifiers[j], root, XGrabKey(dpy, code, keys[i].mod | modifiers[j], root,
True, GrabModeAsync, GrabModeAsync); True, GrabModeAsync, GrabModeAsync);
} }
} }
@ -1151,7 +1150,7 @@ movemouse(const Arg *arg)
ocx = c->x; ocx = c->x;
ocy = c->y; ocy = c->y;
if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
None, cursor[CurMove]->cursor, CurrentTime) != GrabSuccess) None, cursor[CurMove]->cursor, CurrentTime) != GrabSuccess)
return; return;
if (!getrootptr(&x, &y)) if (!getrootptr(&x, &y))
return; return;
@ -1434,7 +1433,7 @@ setclientstate(Client *c, long state)
long data[] = { state, None }; long data[] = { state, None };
XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32, XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
PropModeReplace, (unsigned char *)data, 2); PropModeReplace, (unsigned char *)data, 2);
} }
int int
@ -1516,7 +1515,7 @@ setlayout(const Arg *arg)
drawbar(selmon); drawbar(selmon);
} }
/* arg > 1.0 will set mfact absolutly */ /* arg > 1.0 will set mfact absolutely */
void void
setmfact(const Arg *arg) setmfact(const Arg *arg)
{ {
@ -1581,19 +1580,20 @@ setup(void)
/* supporting window for NetWMCheck */ /* supporting window for NetWMCheck */
wmcheckwin = XCreateSimpleWindow(dpy, root, 0, 0, 1, 1, 0, 0, 0); wmcheckwin = XCreateSimpleWindow(dpy, root, 0, 0, 1, 1, 0, 0, 0);
XChangeProperty(dpy, wmcheckwin, netatom[NetWMCheck], XA_WINDOW, 32, XChangeProperty(dpy, wmcheckwin, netatom[NetWMCheck], XA_WINDOW, 32,
PropModeReplace, (unsigned char *) &wmcheckwin, 1); PropModeReplace, (unsigned char *) &wmcheckwin, 1);
XChangeProperty(dpy, wmcheckwin, netatom[NetWMName], utf8string, 8, XChangeProperty(dpy, wmcheckwin, netatom[NetWMName], utf8string, 8,
PropModeReplace, (unsigned char *) "dwm", 4); PropModeReplace, (unsigned char *) "dwm", 4);
XChangeProperty(dpy, root, netatom[NetWMCheck], XA_WINDOW, 32, XChangeProperty(dpy, root, netatom[NetWMCheck], XA_WINDOW, 32,
PropModeReplace, (unsigned char *) &wmcheckwin, 1); PropModeReplace, (unsigned char *) &wmcheckwin, 1);
/* EWMH support per view */ /* EWMH support per view */
XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32, XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
PropModeReplace, (unsigned char *) netatom, NetLast); PropModeReplace, (unsigned char *) netatom, NetLast);
XDeleteProperty(dpy, root, netatom[NetClientList]); XDeleteProperty(dpy, root, netatom[NetClientList]);
/* select for events */ /* select events */
wa.cursor = cursor[CurNormal]->cursor; wa.cursor = cursor[CurNormal]->cursor;
wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask|PointerMotionMask wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask
|EnterWindowMask|LeaveWindowMask|StructureNotifyMask|PropertyChangeMask; |ButtonPressMask|PointerMotionMask|EnterWindowMask
|LeaveWindowMask|StructureNotifyMask|PropertyChangeMask;
XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa); XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
XSelectInput(dpy, root, wa.event_mask); XSelectInput(dpy, root, wa.event_mask);
grabkeys(); grabkeys();
@ -1769,12 +1769,11 @@ unmanage(Client *c, int destroyed)
Monitor *m = c->mon; Monitor *m = c->mon;
XWindowChanges wc; XWindowChanges wc;
/* The server grab construct avoids race conditions. */
detach(c); detach(c);
detachstack(c); detachstack(c);
if (!destroyed) { if (!destroyed) {
wc.border_width = c->oldbw; wc.border_width = c->oldbw;
XGrabServer(dpy); XGrabServer(dpy); /* avoid race conditions */
XSetErrorHandler(xerrordummy); XSetErrorHandler(xerrordummy);
XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */ XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
XUngrabButton(dpy, AnyButton, AnyModifier, c->win); XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
@ -1871,8 +1870,8 @@ updategeom(void)
memcpy(&unique[j++], &info[i], sizeof(XineramaScreenInfo)); memcpy(&unique[j++], &info[i], sizeof(XineramaScreenInfo));
XFree(info); XFree(info);
nn = j; nn = j;
if (n <= nn) { if (n <= nn) { /* new monitors available */
for (i = 0; i < (nn - n); i++) { /* new monitors available */ for (i = 0; i < (nn - n); i++) {
for (m = mons; m && m->next; m = m->next); for (m = mons; m && m->next; m = m->next);
if (m) if (m)
m->next = createmon(); m->next = createmon();
@ -1881,8 +1880,8 @@ updategeom(void)
} }
for (i = 0, m = mons; i < nn && m; m = m->next, i++) for (i = 0, m = mons; i < nn && m; m = m->next, i++)
if (i >= n if (i >= n
|| (unique[i].x_org != m->mx || unique[i].y_org != m->my || unique[i].x_org != m->mx || unique[i].y_org != m->my
|| unique[i].width != m->mw || unique[i].height != m->mh)) || unique[i].width != m->mw || unique[i].height != m->mh)
{ {
dirty = 1; dirty = 1;
m->num = i; m->num = i;
@ -1892,13 +1891,11 @@ updategeom(void)
m->mh = m->wh = unique[i].height; m->mh = m->wh = unique[i].height;
updatebarpos(m); updatebarpos(m);
} }
} else { } else { /* less monitors available nn < n */
/* less monitors available nn < n */
for (i = nn; i < n; i++) { for (i = nn; i < n; i++) {
for (m = mons; m && m->next; m = m->next); for (m = mons; m && m->next; m = m->next);
while (m->clients) { while ((c = m->clients)) {
dirty = 1; dirty = 1;
c = m->clients;
m->clients = c->next; m->clients = c->next;
detachstack(c); detachstack(c);
c->mon = mons; c->mon = mons;
@ -1913,8 +1910,7 @@ updategeom(void)
free(unique); free(unique);
} else } else
#endif /* XINERAMA */ #endif /* XINERAMA */
/* default monitor setup */ { /* default monitor setup */
{
if (!mons) if (!mons)
mons = createmon(); mons = createmon();
if (mons->mw != sw || mons->mh != sh) { if (mons->mw != sw || mons->mh != sh) {
@ -1988,7 +1984,7 @@ updatesizehints(Client *c)
} else } else
c->maxa = c->mina = 0.0; c->maxa = c->mina = 0.0;
c->isfixed = (c->maxw && c->minw && c->maxh && c->minh 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 void
@ -2082,8 +2078,8 @@ wintomon(Window w)
} }
/* There's no way to check accesses to destroyed windows, thus those cases are /* 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 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
* default error handler, which may call exit. */ * default error handler, which may call exit. */
int int
xerror(Display *dpy, XErrorEvent *ee) xerror(Display *dpy, XErrorEvent *ee)
{ {
@ -2098,7 +2094,7 @@ xerror(Display *dpy, XErrorEvent *ee)
|| (ee->request_code == X_CopyArea && ee->error_code == BadDrawable)) || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
return 0; return 0;
fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n", 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 */ return xerrorxlib(dpy, ee); /* may call exit */
} }