dwm

dynamic window manager - with my changes
git clone https://pi.duncano.de/git/dwm.git
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commit 1ddfc571ae90b842446b0524f2a38c74868bb326
parent 21cd59a6307ae041ed91098e06d49b3e9036cbea
Author: Anselm R Garbe <anselm@garbe.us>
Date:   Tue, 30 Jun 2009 19:39:59 +0100

several simplifications
Diffstat:
config.def.h | 5++---
dwm.c | 187++++++++++++++++++++++++++++++++++---------------------------------------------
2 files changed, 83 insertions(+), 109 deletions(-)

diff --git a/config.def.h b/config.def.h @@ -1,6 +1,8 @@ /* See LICENSE file for copyright and license details. */ /* appearance */ +#define SHOWBAR True /* False means no bar */ +#define TOPBAR True /* False means bottom bar */ static const char font[] = "-*-*-medium-*-*-*-14-*-*-*-*-*-*-*"; static const char normbordercolor[] = "#cccccc"; static const char normbgcolor[] = "#cccccc"; @@ -10,9 +12,6 @@ static const char selbgcolor[] = "#0066ff"; static const char selfgcolor[] = "#ffffff"; static unsigned int borderpx = 1; /* border pixel of windows */ static unsigned int snap = 32; /* snap pixel */ -static Bool showbar = True; /* False means no bar */ -static Bool topbar = True; /* False means bottom bar */ - /* tagging */ static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" }; diff --git a/dwm.c b/dwm.c @@ -1,4 +1,3 @@ -//#define XINULATOR /* debug, simulates dual head */ /* See LICENSE file for copyright and license details. * * dynamic window manager is designed like any other X client as well. It is @@ -174,16 +173,13 @@ static void expose(XEvent *e); static void focus(Client *c); static void focusin(XEvent *e); static void focusstack(const Arg *arg); -static Client *getclient(Window w); static unsigned long getcolor(const char *colstr); -static Monitor *getmon(Window w); -static Monitor *getmonn(unsigned int n); -static Monitor *getmonxy(int x, int y); static Bool getrootpointer(int *x, int *y); static long getstate(Window w); static Bool gettextprop(Window w, Atom atom, char *text, unsigned int size); static void grabbuttons(Client *c, Bool focused); static void grabkeys(void); +static Monitor *idxtomon(unsigned int n); static void initfont(const char *fontstr); static Bool isprotodel(Client *c); static void keypress(XEvent *e); @@ -194,6 +190,7 @@ static void maprequest(XEvent *e); static void monocle(Monitor *m); static void movemouse(const Arg *arg); static Client *nexttiled(Client *c); +static Monitor *pointertomon(int x, int y); static void propertynotify(XEvent *e); static void quit(const Arg *arg); static void resize(Client *c, int x, int y, int w, int h); @@ -228,6 +225,8 @@ static void updatestatus(void); static void updatetitle(Client *c); static void updatewmhints(Client *c); static void view(const Arg *arg); +static Client *wintoclient(Window w); +static Monitor *wintomon(Window w); static int xerror(Display *dpy, XErrorEvent *ee); static int xerrordummy(Display *dpy, XErrorEvent *ee); static int xerrorstart(Display *dpy, XErrorEvent *ee); @@ -402,7 +401,7 @@ buttonpress(XEvent *e) { click = ClkRootWin; /* focus monitor if necessary */ - if((m = getmon(ev->window)) && m != selmon) { + if((m = wintomon(ev->window)) && m != selmon) { unfocus(selmon->sel); selmon = m; focus(NULL); @@ -424,7 +423,7 @@ buttonpress(XEvent *e) { else click = ClkWinTitle; } - else if((c = getclient(ev->window))) { + else if((c = wintoclient(ev->window))) { focus(c); click = ClkClientWin; } @@ -457,8 +456,6 @@ cleanup(void) { view(&a); lt[selmon->sellt] = &foo; - - /* TODO: consider simplifying cleanup code of the stack, perhaps do that in cleanmons() ? */ for(m = mons; m; m = m->next) while(m->stack) unmanage(m->stack); @@ -546,7 +543,7 @@ configurerequest(XEvent *e) { XConfigureRequestEvent *ev = &e->xconfigurerequest; XWindowChanges wc; - if((c = getclient(ev->window))) { + if((c = wintoclient(ev->window))) { if(ev->value_mask & CWBorderWidth) c->bw = ev->border_width; else if(c->isfloating || !lt[selmon->sellt]->arrange) { @@ -589,7 +586,7 @@ destroynotify(XEvent *e) { Client *c; XDestroyWindowEvent *ev = &e->xdestroywindow; - if((c = getclient(ev->window))) + if((c = wintoclient(ev->window))) unmanage(c); } @@ -607,6 +604,11 @@ detachstack(Client *c) { for(tc = &c->mon->stack; *tc && *tc != c; tc = &(*tc)->snext); *tc = c->snext; + + if(c == c->mon->sel) { + for(*tc = c->mon->stack; *tc && !ISVISIBLE((*tc)); *tc = (*tc)->snext); + c->mon->sel = *tc; + } } void @@ -750,11 +752,11 @@ enternotify(XEvent *e) { if((ev->mode != NotifyNormal || ev->detail == NotifyInferior) && ev->window != root) return; - if((m = getmon(ev->window)) && m != selmon) { + if((m = wintomon(ev->window)) && m != selmon) { unfocus(selmon->sel); selmon = m; } - if((c = getclient(ev->window))) + if((c = wintoclient(ev->window))) focus(c); else focus(NULL); @@ -765,7 +767,7 @@ expose(XEvent *e) { Monitor *m; XExposeEvent *ev = &e->xexpose; - if(ev->count == 0 && (m = getmon(ev->window))) + if(ev->count == 0 && (m = wintomon(ev->window))) drawbar(m); } @@ -805,7 +807,7 @@ void focusmon(const Arg *arg) { Monitor *m; - if(!(m = getmonn(arg->ui)) || m == selmon) + if(!(m = idxtomon(arg->ui)) || m == selmon) return; unfocus(selmon->sel); selmon = m; @@ -839,18 +841,6 @@ focusstack(const Arg *arg) { } } -Client * -getclient(Window w) { - Client *c; - Monitor *m; - - for(m = mons; m; m = m->next) - for(c = m->clients; c; c = c->next) - if(c->win == w) - return c; - return NULL; -} - unsigned long getcolor(const char *colstr) { Colormap cmap = DefaultColormap(dpy, screen); @@ -861,41 +851,6 @@ getcolor(const char *colstr) { return color.pixel; } -Monitor * -getmon(Window w) { - int x, y; - Client *c; - Monitor *m; - - if(w == root && getrootpointer(&x, &y)) - return getmonxy(x, y); - for(m = mons; m; m = m->next) - if(w == m->barwin) - return m; - if((c = getclient(w))) - return c->mon; - return mons; -} - -Monitor * -getmonn(unsigned int n) { - unsigned int i; - Monitor *m; - - for(m = mons, i = 0; m && i != n; m = m->next, i++); - return m; -} - -Monitor * -getmonxy(int x, int y) { - Monitor *m; - - for(m = mons; m; m = m->next) - if(INRECT(x, y, m->wx, m->wy, m->ww, m->wh)) - return m; - return mons; -} - Bool getrootpointer(int *x, int *y) { int di; @@ -987,6 +942,15 @@ grabkeys(void) { } } +Monitor * +idxtomon(unsigned int n) { + unsigned int i; + Monitor *m; + + for(m = mons, i = 0; m && i != n; m = m->next, i++); + return m; +} + void initfont(const char *fontstr) { char *def, **missing; @@ -1116,7 +1080,7 @@ manage(Window w, XWindowAttributes *wa) { grabbuttons(c, False); updatetitle(c); if(XGetTransientForHint(dpy, w, &trans)) - t = getclient(trans); + t = wintoclient(trans); if(t) c->tags = t->tags; else @@ -1151,7 +1115,7 @@ maprequest(XEvent *e) { return; if(wa.override_redirect) return; - if(!getclient(ev->window)) + if(!wintoclient(ev->window)) manage(ev->window, &wa); } @@ -1212,7 +1176,7 @@ movemouse(const Arg *arg) { } while(ev.type != ButtonRelease); XUngrabPointer(dpy, CurrentTime); - if((m = getmonxy(c->x + c->w / 2, c->y + c->h / 2)) != selmon) { + if((m = pointertomon(c->x + c->w / 2, c->y + c->h / 2)) != selmon) { sendmon(c, m); selmon = m; focus(NULL); @@ -1225,6 +1189,16 @@ nexttiled(Client *c) { return c; } +Monitor * +pointertomon(int x, int y) { + Monitor *m; + + for(m = mons; m; m = m->next) + if(INRECT(x, y, m->wx, m->wy, m->ww, m->wh)) + return m; + return mons; +} + void propertynotify(XEvent *e) { Client *c; @@ -1235,12 +1209,12 @@ propertynotify(XEvent *e) { updatestatus(); else if(ev->state == PropertyDelete) return; /* ignore */ - else if((c = getclient(ev->window))) { + else if((c = wintoclient(ev->window))) { switch (ev->atom) { default: break; case XA_WM_TRANSIENT_FOR: XGetTransientForHint(dpy, c->win, &trans); - if(!c->isfloating && (c->isfloating = (getclient(trans) != NULL))) + if(!c->isfloating && (c->isfloating = (wintoclient(trans) != NULL))) arrange(); break; case XA_WM_NORMAL_HINTS: @@ -1324,7 +1298,7 @@ resizemouse(const Arg *arg) { 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)); - if((m = getmonxy(c->x + c->w / 2, c->y + c->h / 2)) != selmon) { + if((m = pointertomon(c->x + c->w / 2, c->y + c->h / 2)) != selmon) { sendmon(c, m); selmon = m; focus(NULL); @@ -1557,7 +1531,7 @@ void tagmon(const Arg *arg) { Monitor *m; - if(!selmon->sel || !(m = getmonn(arg->ui))) + if(!selmon->sel || !(m = idxtomon(arg->ui))) return; sendmon(selmon->sel, m); } @@ -1670,19 +1644,13 @@ unmanage(Client *c) { XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */ detach(c); detachstack(c); - if(c->mon->sel == c) { - /* TODO: consider separate the next code into a function or into detachstack? */ - Client *tc; - for(tc = c->mon->stack; tc && !ISVISIBLE(tc); tc = tc->snext); - c->mon->sel = tc; - focus(NULL); - } XUngrabButton(dpy, AnyButton, AnyModifier, c->win); setclientstate(c, WithdrawnState); free(c); XSync(dpy, False); XSetErrorHandler(xerror); XUngrabServer(dpy); + focus(NULL); arrange(); } @@ -1691,7 +1659,7 @@ unmapnotify(XEvent *e) { Client *c; XUnmapEvent *ev = &e->xunmap; - if((c = getclient(ev->window))) + if((c = wintoclient(ev->window))) unmanage(c); } @@ -1733,14 +1701,12 @@ updategeom(void) { Client *c; Monitor *newmons = NULL, *m, *tm; -#ifdef XINULATOR - n = 2; -#elif defined(XINERAMA) +#ifdef XINERAMA XineramaScreenInfo *info = NULL; if(XineramaIsActive(dpy)) info = XineramaQueryScreens(dpy, &n); -#endif +#endif /* XINERAMA */ /* allocate monitor(s) for the new geometry setup */ for(i = 0; i < n; i++) { m = (Monitor *)malloc(sizeof(Monitor)); @@ -1749,23 +1715,7 @@ updategeom(void) { } /* initialise monitor(s) */ -#ifdef XINULATOR - if(1) { - m = newmons; - m->screen_number = 0; - m->wx = sx; - m->my = m->wy = sy; - m->ww = sw; - m->mh = m->wh = sh / 2; - m = newmons->next; - m->screen_number = 1; - m->wx = sx; - m->my = m->wy = sy + sh / 2; - m->ww = sw; - m->mh = m->wh = sh / 2; - } - else -#elif defined(XINERAMA) +#ifdef XINERAMA if(XineramaIsActive(dpy)) { for(i = 0, m = newmons; m; m = m->next, i++) { m->screen_number = info[i].screen_number; @@ -1777,7 +1727,7 @@ updategeom(void) { XFree(info); } else -#endif +#endif /* XINERAMA */ /* default monitor setup */ { m->screen_number = 0; @@ -1789,16 +1739,13 @@ updategeom(void) { /* bar geometry setup */ for(m = newmons; m; m = m->next) { - /* TODO: consider removing the following values from config.h */ - m->clients = NULL; - m->sel = NULL; - m->stack = NULL; + m->sel = m->stack = m->clients = NULL; m->seltags = 0; m->sellt = 0; m->tagset[0] = m->tagset[1] = 1; m->mfact = mfact; - m->showbar = showbar; - m->topbar = topbar; + m->showbar = SHOWBAR; + m->topbar = TOPBAR; updatebarpos(m); } @@ -1816,7 +1763,7 @@ updategeom(void) { /* select focused monitor */ cleanupmons(); mons = newmons; - selmon = getmon(root); + selmon = wintomon(root); } void @@ -1923,6 +1870,34 @@ view(const Arg *arg) { arrange(); } +Client * +wintoclient(Window w) { + Client *c; + Monitor *m; + + for(m = mons; m; m = m->next) + for(c = m->clients; c; c = c->next) + if(c->win == w) + return c; + return NULL; +} + +Monitor * +wintomon(Window w) { + int x, y; + Client *c; + Monitor *m; + + if(w == root && getrootpointer(&x, &y)) + return pointertomon(x, y); + for(m = mons; m; m = m->next) + if(w == m->barwin) + return m; + if((c = wintoclient(w))) + return c->mon; + return mons; +} + /* 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. */