[hackers] [dwm] ordered all functions alphabetically

changeset: 996:b4d47b6a8ba8
tag: tip
user: Anselm R. Garbe <garbeam_AT_gmail.com>
date: Sun Sep 16 11:53:14 2007 +0200
summary: ordered all functions alphabetically

diff -r 693bda958a30 -r b4d47b6a8ba8 dwm.c
--- a/dwm.c Sun Sep 16 10:24:35 2007 +0200
+++ b/dwm.c Sun Sep 16 11:53:14 2007 +0200
@@ -233,50 +233,320 @@ static Window barwin, root;
 static Window barwin, root;
 static Regs *regs = NULL;
 
-/* configuration, allows nested code to work on above variables */
+/* configuration, allows nested code to access above variables */
 #include "config.h"
 
-static void
-eprint(const char *errstr, ...) {
- va_list ap;
-
- va_start(ap, errstr);
- vfprintf(stderr, errstr, ap);
- va_end(ap);
- exit(EXIT_FAILURE);
-}
-
-static void *
-emallocz(unsigned int size) {
- void *res = calloc(1, size);
-
- if(!res)
- eprint("fatal: could not malloc() %u bytes\n", size);
- return res;
-}
-
-static void
-spawn(const char *arg) {
- static char *shell = NULL;
-
- if(!shell && !(shell = getenv("SHELL")))
- shell = "/bin/sh";
- if(!arg)
- return;
- /* The double-fork construct avoids zombie processes and keeps the code
- * clean from stupid signal handlers. */
- if(fork() == 0) {
- if(fork() == 0) {
- if(dpy)
- close(ConnectionNumber(dpy));
- setsid();
- execl(shell, shell, "-c", arg, (char *)NULL);
- fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg);
- perror(" failed");
- }
- exit(0);
- }
- wait(0);
+/* implementation */
+static void
+applyrules(Client *c) {
+ static char buf[512];
+ unsigned int i, j;
+ regmatch_t tmp;
+ Bool matched = False;
+ XClassHint ch = { 0 };
+
+ /* rule matching */
+ XGetClassHint(dpy, c->win, &ch);
+ 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++)
+ 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++) {
+ if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
+ matched = True;
+ c->tags[j] = True;
+ }
+ }
+ }
+ if(ch.res_class)
+ XFree(ch.res_class);
+ if(ch.res_name)
+ XFree(ch.res_name);
+ if(!matched)
+ for(i = 0; i < ntags; i++)
+ c->tags[i] = seltags[i];
+}
+
+static void
+arrange(void) {
+ Client *c;
+
+ for(c = clients; c; c = c->next)
+ if(isvisible(c))
+ unban(c);
+ else
+ ban(c);
+ layouts[ltidx].arrange();
+ focus(NULL);
+ restack();
+}
+
+static void
+attach(Client *c) {
+ if(clients)
+ clients->prev = c;
+ c->next = clients;
+ clients = c;
+}
+
+static void
+attachstack(Client *c) {
+ c->snext = stack;
+ stack = c;
+}
+
+static void
+ban(Client *c) {
+ if(c->isbanned)
+ return;
+ XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
+ c->isbanned = True;
+}
+
+static void
+buttonpress(XEvent *e) {
+ unsigned int i, x;
+ Client *c;
+ XButtonPressedEvent *ev = &e->xbutton;
+
+ if(barwin == ev->window) {
+ x = 0;
+ for(i = 0; i < ntags; i++) {
+ x += textw(tags[i]);
+ if(ev->x < x) {
+ if(ev->button == Button1) {
+ if(ev->state & MODKEY)
+ tag(tags[i]);
+ else
+ view(tags[i]);
+ }
+ else if(ev->button == Button3) {
+ if(ev->state & MODKEY)
+ toggletag(tags[i]);
+ else
+ toggleview(tags[i]);
+ }
+ return;
+ }
+ }
+ if((ev->x < x + blw) && ev->button == Button1)
+ setlayout(NULL);
+ }
+ else if((c = getclient(ev->window))) {
+ focus(c);
+ if(CLEANMASK(ev->state) != MODKEY)
+ return;
+ if(ev->button == Button1 && (isfloating() || c->isfloating)) {
+ restack();
+ movemouse(c);
+ }
+ else if(ev->button == Button2)
+ zoom(NULL);
+ else if(ev->button == Button3
+ && (isfloating() || c->isfloating) && !c->isfixed)
+ {
+ restack();
+ resizemouse(c);
+ }
+ }
+}
+
+static void
+cleanup(void) {
+ close(STDIN_FILENO);
+ while(stack) {
+ unban(stack);
+ unmanage(stack);
+ }
+ if(dc.font.set)
+ XFreeFontSet(dpy, dc.font.set);
+ else
+ XFreeFont(dpy, dc.font.xfont);
+ XUngrabKey(dpy, AnyKey, AnyModifier, root);
+ XFreePixmap(dpy, dc.drawable);
+ XFreeGC(dpy, dc.gc);
+ XDestroyWindow(dpy, barwin);
+ XFreeCursor(dpy, cursor[CurNormal]);
+ XFreeCursor(dpy, cursor[CurResize]);
+ XFreeCursor(dpy, cursor[CurMove]);
+ XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
+ XSync(dpy, False);
+ free(seltags);
+}
+
+static void
+compileregs(void) {
+ unsigned int i;
+ regex_t *reg;
+
+ if(regs)
+ return;
+ nrules = sizeof rules / sizeof rules[0];
+ regs = emallocz(nrules * sizeof(Regs));
+ for(i = 0; i < nrules; i++) {
+ if(rules[i].prop) {
+ reg = emallocz(sizeof(regex_t));
+ if(regcomp(reg, rules[i].prop, REG_EXTENDED))
+ free(reg);
+ else
+ regs[i].propregex = reg;
+ }
+ if(rules[i].tags) {
+ reg = emallocz(sizeof(regex_t));
+ if(regcomp(reg, rules[i].tags, REG_EXTENDED))
+ free(reg);
+ else
+ regs[i].tagregex = reg;
+ }
+ }
+}
+
+static void
+configure(Client *c) {
+ XConfigureEvent ce;
+
+ ce.type = ConfigureNotify;
+ ce.display = dpy;
+ ce.event = c->win;
+ ce.window = c->win;
+ ce.x = c->x;
+ ce.y = c->y;
+ ce.width = c->w;
+ ce.height = c->h;
+ ce.border_width = c->border;
+ ce.above = None;
+ ce.override_redirect = False;
+ XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
+}
+
+static void
+configurenotify(XEvent *e) {
+ XConfigureEvent *ev = &e->xconfigure;
+
+ if (ev->window == root && (ev->width != sw || ev->height != sh)) {
+ sw = ev->width;
+ sh = ev->height;
+ XFreePixmap(dpy, dc.drawable);
+ dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
+ XResizeWindow(dpy, barwin, sw, bh);
+ updatebarpos();
+ arrange();
+ }
+}
+
+static void
+configurerequest(XEvent *e) {
+ Client *c;
+ XConfigureRequestEvent *ev = &e->xconfigurerequest;
+ XWindowChanges wc;
+
+ if((c = getclient(ev->window))) {
+ c->ismax = False;
+ if(ev->value_mask & CWBorderWidth)
+ c->border = ev->border_width;
+ if(c->isfixed || c->isfloating || isfloating()) {
+ if(ev->value_mask & CWX)
+ c->x = ev->x;
+ if(ev->value_mask & CWY)
+ c->y = ev->y;
+ if(ev->value_mask & CWWidth)
+ c->w = ev->width;
+ if(ev->value_mask & CWHeight)
+ c->h = ev->height;
+ if((c->x + c->w) > sw && c->isfloating)
+ c->x = sw / 2 - c->w / 2; /* center in x direction */
+ if((c->y + c->h) > sh && c->isfloating)
+ c->y = sh / 2 - c->h / 2; /* center in y direction */
+ if((ev->value_mask & (CWX | CWY))
+ && !(ev->value_mask & (CWWidth | CWHeight)))
+ configure(c);
+ if(isvisible(c))
+ XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
+ }
+ else
+ configure(c);
+ }
+ else {
+ wc.x = ev->x;
+ wc.y = ev->y;
+ wc.width = ev->width;
+ wc.height = ev->height;
+ wc.border_width = ev->border_width;
+ wc.sibling = ev->above;
+ wc.stack_mode = ev->detail;
+ XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
+ }
+ XSync(dpy, False);
+}
+
+static void
+destroynotify(XEvent *e) {
+ Client *c;
+ XDestroyWindowEvent *ev = &e->xdestroywindow;
+
+ if((c = getclient(ev->window)))
+ unmanage(c);
+}
+
+static void
+detach(Client *c) {
+ if(c->prev)
+ c->prev->next = c->next;
+ if(c->next)
+ c->next->prev = c->prev;
+ if(c == clients)
+ clients = c->next;
+ c->next = c->prev = NULL;
+}
+
+static void
+detachstack(Client *c) {
+ Client **tc;
+
+ for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
+ *tc = c->snext;
+}
+
+static void
+drawbar(void) {
+ int i, x;
+
+ dc.x = dc.y = 0;
+ for(i = 0; i < ntags; i++) {
+ dc.w = textw(tags[i]);
+ if(seltags[i]) {
+ drawtext(tags[i], dc.sel);
+ drawsquare(sel && sel->tags[i], isoccupied(i), dc.sel);
+ }
+ else {
+ drawtext(tags[i], dc.norm);
+ drawsquare(sel && sel->tags[i], isoccupied(i), dc.norm);
+ }
+ dc.x += dc.w;
+ }
+ dc.w = blw;
+ drawtext(layouts[ltidx].symbol, dc.norm);
+ x = dc.x + dc.w;
+ dc.w = textw(stext);
+ dc.x = sw - dc.w;
+ if(dc.x < x) {
+ dc.x = x;
+ dc.w = sw - x;
+ }
+ drawtext(stext, dc.norm);
+ if((dc.w = dc.x - x) > bh) {
+ dc.x = x;
+ if(sel) {
+ drawtext(sel->name, dc.sel);
+ drawsquare(sel->ismax, sel->isfloating, dc.sel);
+ }
+ else
+ drawtext(NULL, dc.norm);
+ }
+ XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, sw, bh, 0, 0);
+ XSync(dpy, False);
 }
 
 static void
@@ -298,79 +568,6 @@ drawsquare(Bool filled, Bool empty, unsi
                 r.width = r.height = x;
                 XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1);
         }
-}
-
-static unsigned long
-initcolor(const char *colstr) {
- Colormap cmap = DefaultColormap(dpy, screen);
- XColor color;
-
- if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
- eprint("error, cannot allocate color '%s'\n", colstr);
- return color.pixel;
-}
-
-static void
-initfont(const char *fontstr) {
- char *def, **missing;
- 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--)
- fprintf(stderr, "dwm: missing fontset: %s\n", missing[n]);
- XFreeStringList(missing);
- }
- if(dc.font.set) {
- XFontSetExtents *font_extents;
- XFontStruct **xfonts;
- char **font_names;
- dc.font.ascent = dc.font.descent = 0;
- font_extents = XExtentsOfFontSet(dc.font.set);
- n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
- for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
- if(dc.font.ascent < (*xfonts)->ascent)
- dc.font.ascent = (*xfonts)->ascent;
- if(dc.font.descent < (*xfonts)->descent)
- dc.font.descent = (*xfonts)->descent;
- xfonts++;
- }
- }
- 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")))
- eprint("error, cannot load font: '%s'\n", fontstr);
- dc.font.ascent = dc.font.xfont->ascent;
- dc.font.descent = dc.font.xfont->descent;
- }
- dc.font.height = dc.font.ascent + dc.font.descent;
-}
-
-static Bool
-isoccupied(unsigned int t) {
- Client *c;
-
- for(c = clients; c; c = c->next)
- if(c->tags[t])
- return True;
- return False;
-}
-
-static unsigned int
-textnw(const char *text, unsigned int len) {
- XRectangle r;
-
- if(dc.font.set) {
- XmbTextExtents(dc.font.set, text, len, NULL, &r);
- return r.width;
- }
- return XTextWidth(dc.font.xfont, text, len);
 }
 
 static void
@@ -413,56 +610,214 @@ drawtext(const char *text, unsigned long
                 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
 }
 
-static void
-drawbar(void) {
- int i, x;
-
- dc.x = dc.y = 0;
- for(i = 0; i < ntags; i++) {
- dc.w = textw(tags[i]);
- if(seltags[i]) {
- drawtext(tags[i], dc.sel);
- drawsquare(sel && sel->tags[i], isoccupied(i), dc.sel);
- }
- else {
- drawtext(tags[i], dc.norm);
- drawsquare(sel && sel->tags[i], isoccupied(i), dc.norm);
- }
- dc.x += dc.w;
- }
- dc.w = blw;
- drawtext(layouts[ltidx].symbol, dc.norm);
- x = dc.x + dc.w;
- dc.w = textw(stext);
- dc.x = sw - dc.w;
- if(dc.x < x) {
- dc.x = x;
- dc.w = sw - x;
- }
- drawtext(stext, dc.norm);
- if((dc.w = dc.x - x) > bh) {
- dc.x = x;
- if(sel) {
- drawtext(sel->name, dc.sel);
- drawsquare(sel->ismax, sel->isfloating, dc.sel);
- }
- else
- drawtext(NULL, dc.norm);
- }
- XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, sw, bh, 0, 0);
- XSync(dpy, False);
-}
-
-static void
-initstyle(void) {
- dc.norm[ColBorder] = initcolor(NORMBORDERCOLOR);
- dc.norm[ColBG] = initcolor(NORMBGCOLOR);
- dc.norm[ColFG] = initcolor(NORMFGCOLOR);
- dc.sel[ColBorder] = initcolor(SELBORDERCOLOR);
- dc.sel[ColBG] = initcolor(SELBGCOLOR);
- dc.sel[ColFG] = initcolor(SELFGCOLOR);
- initfont(FONT);
- dc.h = bh = dc.font.height + 2;
+static void *
+emallocz(unsigned int size) {
+ void *res = calloc(1, size);
+
+ if(!res)
+ eprint("fatal: could not malloc() %u bytes\n", size);
+ return res;
+}
+
+static void
+enternotify(XEvent *e) {
+ Client *c;
+ XCrossingEvent *ev = &e->xcrossing;
+
+ if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
+ return;
+ if((c = getclient(ev->window)))
+ focus(c);
+ else if(ev->window == root) {
+ selscreen = True;
+ focus(NULL);
+ }
+}
+
+static void
+eprint(const char *errstr, ...) {
+ va_list ap;
+
+ va_start(ap, errstr);
+ vfprintf(stderr, errstr, ap);
+ va_end(ap);
+ exit(EXIT_FAILURE);
+}
+
+static void
+expose(XEvent *e) {
+ XExposeEvent *ev = &e->xexpose;
+
+ if(ev->count == 0) {
+ if(barwin == ev->window)
+ drawbar();
+ }
+}
+
+static void
+floating(void) { /* default floating layout */
+ Client *c;
+
+ for(c = clients; c; c = c->next)
+ if(isvisible(c))
+ resize(c, c->x, c->y, c->w, c->h, True);
+}
+
+static void
+focus(Client *c) {
+ if((!c && selscreen) || (c && !isvisible(c)))
+ for(c = stack; c && !isvisible(c); c = c->snext);
+ if(sel && sel != c) {
+ grabbuttons(sel, False);
+ XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
+ }
+ if(c) {
+ detachstack(c);
+ attachstack(c);
+ grabbuttons(c, True);
+ }
+ sel = c;
+ drawbar();
+ if(!selscreen)
+ return;
+ if(c) {
+ XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
+ XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
+ }
+ else
+ XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
+}
+
+static void
+focusnext(const char *arg) {
+ Client *c;
+
+ if(!sel)
+ return;
+ for(c = sel->next; c && !isvisible(c); c = c->next);
+ if(!c)
+ for(c = clients; c && !isvisible(c); c = c->next);
+ if(c) {
+ focus(c);
+ restack();
+ }
+}
+
+static void
+focusprev(const char *arg) {
+ Client *c;
+
+ if(!sel)
+ return;
+ for(c = sel->prev; c && !isvisible(c); c = c->prev);
+ if(!c) {
+ for(c = clients; c && c->next; c = c->next);
+ for(; c && !isvisible(c); c = c->prev);
+ }
+ if(c) {
+ focus(c);
+ restack();
+ }
+}
+
+static Client *
+getclient(Window w) {
+ Client *c;
+
+ for(c = clients; c && c->win != w; c = c->next);
+ return c;
+}
+
+static long
+getstate(Window w) {
+ int format, status;
+ long result = -1;
+ unsigned char *p = NULL;
+ unsigned long n, extra;
+ Atom real;
+
+ status = XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState],
+ &real, &format, &n, &extra, (unsigned char **)&p);
+ if(status != Success)
+ return -1;
+ if(n != 0)
+ result = *p;
+ XFree(p);
+ return result;
+}
+
+static Bool
+gettextprop(Window w, Atom atom, char *text, unsigned int size) {
+ char **list = NULL;
+ int n;
+ XTextProperty name;
+
+ if(!text || size == 0)
+ return False;
+ text[0] = '\0';
+ XGetTextProperty(dpy, w, &name, atom);
+ if(!name.nitems)
+ return False;
+ if(name.encoding == XA_STRING)
+ strncpy(text, (char *)name.value, size - 1);
+ else {
+ if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
+ && n > 0 && *list)
+ {
+ strncpy(text, *list, size - 1);
+ XFreeStringList(list);
+ }
+ }
+ text[size - 1] = '\0';
+ XFree(name.value);
+ return True;
+}
+
+static void
+grabbuttons(Client *c, Bool focused) {
+ XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
+
+ if(focused) {
+ XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+
+ XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+
+ XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ }
+ else
+ XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+}
+
+static unsigned int
+idxoftag(const char *tag) {
+ unsigned int i;
+
+ for(i = 0; i < ntags; i++)
+ if(tags[i] == tag)
+ return i;
+ return 0;
 }
 
 static void
@@ -486,96 +841,101 @@ initbar(void) {
                 XSetFont(dpy, dc.gc, dc.font.xfont->fid);
 }
 
-static unsigned int
-textw(const char *text) {
- return textnw(text, strlen(text)) + dc.font.height;
-}
-
-static void
-togglebar(const char *arg) {
- if(bpos == BarOff)
- bpos = (BARPOS == BarOff) ? BarTop : BARPOS;
- else
- bpos = BarOff;
- updatebarpos();
- arrange();
-}
-
-static void
-updatebarpos(void) {
- XEvent ev;
-
- wax = sx;
- way = sy;
- wah = sh;
- waw = sw;
- switch(bpos) {
- default:
- wah -= bh;
- way += bh;
- XMoveWindow(dpy, barwin, sx, sy);
- break;
- case BarBot:
- wah -= bh;
- XMoveWindow(dpy, barwin, sx, sy + wah);
- break;
- case BarOff:
- XMoveWindow(dpy, barwin, sx, sy - bh);
- break;
- }
- XSync(dpy, False);
- while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
-}
-
-static void
-attachstack(Client *c) {
- c->snext = stack;
- stack = c;
-}
-
-static void
-detachstack(Client *c) {
- Client **tc;
-
- for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
- *tc = c->snext;
-}
-
-static void
-grabbuttons(Client *c, Bool focused) {
- XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
-
- if(focused) {
- XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
- GrabModeAsync, GrabModeSync, None, None);
- XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
- GrabModeAsync, GrabModeSync, None, None);
- XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,
- GrabModeAsync, GrabModeSync, None, None);
- XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
- GrabModeAsync, GrabModeSync, None, None);
-
- XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
- GrabModeAsync, GrabModeSync, None, None);
- XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
- GrabModeAsync, GrabModeSync, None, None);
- XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,
- GrabModeAsync, GrabModeSync, None, None);
- XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
- GrabModeAsync, GrabModeSync, None, None);
-
- XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
- GrabModeAsync, GrabModeSync, None, None);
- XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
- GrabModeAsync, GrabModeSync, None, None);
- XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,
- GrabModeAsync, GrabModeSync, None, None);
- XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
- GrabModeAsync, GrabModeSync, None, None);
- }
- else
- XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
- GrabModeAsync, GrabModeSync, None, None);
+static unsigned long
+initcolor(const char *colstr) {
+ Colormap cmap = DefaultColormap(dpy, screen);
+ XColor color;
+
+ if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+ eprint("error, cannot allocate color '%s'\n", colstr);
+ return color.pixel;
+}
+
+static void
+initfont(const char *fontstr) {
+ char *def, **missing;
+ 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--)
+ fprintf(stderr, "dwm: missing fontset: %s\n", missing[n]);
+ XFreeStringList(missing);
+ }
+ if(dc.font.set) {
+ XFontSetExtents *font_extents;
+ XFontStruct **xfonts;
+ char **font_names;
+ dc.font.ascent = dc.font.descent = 0;
+ font_extents = XExtentsOfFontSet(dc.font.set);
+ n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
+ for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
+ if(dc.font.ascent < (*xfonts)->ascent)
+ dc.font.ascent = (*xfonts)->ascent;
+ if(dc.font.descent < (*xfonts)->descent)
+ dc.font.descent = (*xfonts)->descent;
+ xfonts++;
+ }
+ }
+ 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")))
+ eprint("error, cannot load font: '%s'\n", fontstr);
+ dc.font.ascent = dc.font.xfont->ascent;
+ dc.font.descent = dc.font.xfont->descent;
+ }
+ dc.font.height = dc.font.ascent + dc.font.descent;
+}
+
+static void
+initlayouts(void) {
+ unsigned int i, w;
+
+ nlayouts = sizeof layouts / sizeof layouts[0];
+ for(blw = i = 0; i < nlayouts; i++) {
+ w = textw(layouts[i].symbol);
+ if(w > blw)
+ blw = w;
+ }
+}
+
+static void
+initstyle(void) {
+ dc.norm[ColBorder] = initcolor(NORMBORDERCOLOR);
+ dc.norm[ColBG] = initcolor(NORMBGCOLOR);
+ dc.norm[ColFG] = initcolor(NORMFGCOLOR);
+ dc.sel[ColBorder] = initcolor(SELBORDERCOLOR);
+ dc.sel[ColBG] = initcolor(SELBGCOLOR);
+ dc.sel[ColFG] = initcolor(SELFGCOLOR);
+ initfont(FONT);
+ dc.h = bh = dc.font.height + 2;
+}
+
+static Bool
+isarrange(void (*func)())
+{
+ return func == layouts[ltidx].arrange;
+}
+
+static Bool
+isfloating(void) {
+ return layouts[ltidx].arrange == floating;
+}
+
+static Bool
+isoccupied(unsigned int t) {
+ Client *c;
+
+ for(c = clients; c; c = c->next)
+ if(c->tags[t])
+ return True;
+ return False;
 }
 
 static Bool
@@ -593,43 +953,49 @@ isprotodel(Client *c) {
         return ret;
 }
 
-static void
-setclientstate(Client *c, long state) {
- long data[] = {state, None};
-
- XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
- PropModeReplace, (unsigned char *)data, 2);
-}
-
-static int
-xerrordummy(Display *dsply, XErrorEvent *ee) {
- return 0;
-}
-
-static void
-ban(Client *c) {
- if(c->isbanned)
- return;
- XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
- c->isbanned = True;
-}
-
-static void
-configure(Client *c) {
- XConfigureEvent ce;
-
- ce.type = ConfigureNotify;
- ce.display = dpy;
- ce.event = c->win;
- ce.window = c->win;
- ce.x = c->x;
- ce.y = c->y;
- ce.width = c->w;
- ce.height = c->h;
- ce.border_width = c->border;
- ce.above = None;
- ce.override_redirect = False;
- XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
+static Bool
+isvisible(Client *c) {
+ unsigned int i;
+
+ for(i = 0; i < ntags; i++)
+ if(c->tags[i] && seltags[i])
+ return True;
+ return False;
+}
+
+static 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++)
+ if(keysym == keys[i].keysym
+ && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state))
+ {
+ if(keys[i].func)
+ keys[i].func(keys[i].arg);
+ }
 }
 
 static void
@@ -649,6 +1015,16 @@ killclient(const char *arg) {
         }
         else
                 XKillClient(dpy, sel->win);
+}
+
+static void
+leavenotify(XEvent *e) {
+ XCrossingEvent *ev = &e->xcrossing;
+
+ if((ev->window == root) && !ev->same_screen) {
+ selscreen = False;
+ focus(NULL);
+ }
 }
 
 static void
@@ -710,163 +1086,25 @@ manage(Window w, XWindowAttributes *wa)
 }
 
 static void
-resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
- double dx, dy, max, min, ratio;
- XWindowChanges wc;
-
- if(sizehints) {
- if(c->minay > 0 && c->maxay > 0 && (h - c->baseh) > 0 && (w - c->basew) > 0) {
- dx = (double)(w - c->basew);
- dy = (double)(h - c->baseh);
- min = (double)(c->minax) / (double)(c->minay);
- max = (double)(c->maxax) / (double)(c->maxay);
- ratio = dx / dy;
- if(max > 0 && min > 0 && ratio > 0) {
- if(ratio < min) {
- dy = (dx * min + dy) / (min * min + 1);
- dx = dy * min;
- w = (int)dx + c->basew;
- h = (int)dy + c->baseh;
- }
- else if(ratio > max) {
- dy = (dx * min + dy) / (max * max + 1);
- dx = dy * min;
- w = (int)dx + c->basew;
- h = (int)dy + c->baseh;
- }
- }
- }
- if(c->minw && w < c->minw)
- w = c->minw;
- if(c->minh && h < c->minh)
- h = c->minh;
- if(c->maxw && w > c->maxw)
- w = c->maxw;
- if(c->maxh && h > c->maxh)
- h = c->maxh;
- if(c->incw)
- w -= (w - c->basew) % c->incw;
- if(c->inch)
- h -= (h - c->baseh) % c->inch;
- }
- if(w <= 0 || h <= 0)
- return;
- /* offscreen appearance fixes */
- if(x > sw)
- x = sw - w - 2 * c->border;
- if(y > sh)
- y = sh - h - 2 * c->border;
- if(x + w + 2 * c->border < sx)
- x = sx;
- if(y + h + 2 * c->border < sy)
- y = sy;
- if(c->x != x || c->y != y || c->w != w || c->h != h) {
- c->x = wc.x = x;
- c->y = wc.y = y;
- c->w = wc.width = w;
- c->h = wc.height = h;
- wc.border_width = c->border;
- XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
- configure(c);
- XSync(dpy, False);
- }
-}
-
-static void
-unban(Client *c) {
- if(!c->isbanned)
- return;
- XMoveWindow(dpy, c->win, c->x, c->y);
- c->isbanned = False;
-}
-
-static void
-unmanage(Client *c) {
- XWindowChanges wc;
-
- wc.border_width = c->oldborder;
- /* The server grab construct avoids race conditions. */
- XGrabServer(dpy);
- XSetErrorHandler(xerrordummy);
- XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
- detach(c);
- detachstack(c);
- if(sel == c)
- focus(NULL);
- XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
- setclientstate(c, WithdrawnState);
- free(c->tags);
- free(c);
- XSync(dpy, False);
- XSetErrorHandler(xerror);
- XUngrabServer(dpy);
- arrange();
-}
-
-static void
-updatesizehints(Client *c) {
- long msize;
- XSizeHints size;
-
- if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
- size.flags = PSize;
- c->flags = size.flags;
- if(c->flags & PBaseSize) {
- c->basew = size.base_width;
- c->baseh = size.base_height;
- }
- else if(c->flags & PMinSize) {
- c->basew = size.min_width;
- c->baseh = size.min_height;
- }
- else
- c->basew = c->baseh = 0;
- if(c->flags & PResizeInc) {
- c->incw = size.width_inc;
- c->inch = size.height_inc;
- }
- else
- c->incw = c->inch = 0;
- if(c->flags & PMaxSize) {
- c->maxw = size.max_width;
- c->maxh = size.max_height;
- }
- else
- c->maxw = c->maxh = 0;
- if(c->flags & PMinSize) {
- c->minw = size.min_width;
- c->minh = size.min_height;
- }
- else if(c->flags & PBaseSize) {
- c->minw = size.base_width;
- c->minh = size.base_height;
- }
- else
- c->minw = c->minh = 0;
- if(c->flags & PAspect) {
- c->minax = size.min_aspect.x;
- c->maxax = size.max_aspect.x;
- c->minay = size.min_aspect.y;
- c->maxay = size.max_aspect.y;
- }
- else
- c->minax = c->maxax = c->minay = c->maxay = 0;
- c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
- && c->maxw == c->minw && c->maxh == c->minh);
-}
-
-static 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);
-}
-
-static Client *
-getclient(Window w) {
- Client *c;
-
- for(c = clients; c && c->win != w; c = c->next);
- return c;
+mappingnotify(XEvent *e) {
+ XMappingEvent *ev = &e->xmapping;
+
+ XRefreshKeyboardMapping(ev);
+ if(ev->request == MappingKeyboard)
+ keypress(NULL);
+}
+
+static void
+maprequest(XEvent *e) {
+ static XWindowAttributes wa;
+ XMapRequestEvent *ev = &e->xmaprequest;
+
+ if(!XGetWindowAttributes(dpy, ev->window, &wa))
+ return;
+ if(wa.override_redirect)
+ return;
+ if(!getclient(ev->window))
+ manage(ev->window, &wa);
 }
 
 static void
@@ -912,6 +1150,108 @@ movemouse(Client *c) {
         }
 }
 
+static Client *
+nexttiled(Client *c) {
+ for(; c && (c->isfloating || !isvisible(c)); c = c->next);
+ return c;
+}
+
+static void
+propertynotify(XEvent *e) {
+ Client *c;
+ Window trans;
+ XPropertyEvent *ev = &e->xproperty;
+
+ if(ev->state == PropertyDelete)
+ return; /* ignore */
+ if((c = getclient(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)))
+ arrange();
+ break;
+ case XA_WM_NORMAL_HINTS:
+ updatesizehints(c);
+ break;
+ }
+ if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
+ updatetitle(c);
+ if(c == sel)
+ drawbar();
+ }
+ }
+}
+
+static void
+quit(const char *arg) {
+ readin = running = False;
+}
+
+static void
+resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
+ double dx, dy, max, min, ratio;
+ XWindowChanges wc;
+
+ if(sizehints) {
+ if(c->minay > 0 && c->maxay > 0 && (h - c->baseh) > 0 && (w - c->basew) > 0) {
+ dx = (double)(w - c->basew);
+ dy = (double)(h - c->baseh);
+ min = (double)(c->minax) / (double)(c->minay);
+ max = (double)(c->maxax) / (double)(c->maxay);
+ ratio = dx / dy;
+ if(max > 0 && min > 0 && ratio > 0) {
+ if(ratio < min) {
+ dy = (dx * min + dy) / (min * min + 1);
+ dx = dy * min;
+ w = (int)dx + c->basew;
+ h = (int)dy + c->baseh;
+ }
+ else if(ratio > max) {
+ dy = (dx * min + dy) / (max * max + 1);
+ dx = dy * min;
+ w = (int)dx + c->basew;
+ h = (int)dy + c->baseh;
+ }
+ }
+ }
+ if(c->minw && w < c->minw)
+ w = c->minw;
+ if(c->minh && h < c->minh)
+ h = c->minh;
+ if(c->maxw && w > c->maxw)
+ w = c->maxw;
+ if(c->maxh && h > c->maxh)
+ h = c->maxh;
+ if(c->incw)
+ w -= (w - c->basew) % c->incw;
+ if(c->inch)
+ h -= (h - c->baseh) % c->inch;
+ }
+ if(w <= 0 || h <= 0)
+ return;
+ /* offscreen appearance fixes */
+ if(x > sw)
+ x = sw - w - 2 * c->border;
+ if(y > sh)
+ y = sh - h - 2 * c->border;
+ if(x + w + 2 * c->border < sx)
+ x = sx;
+ if(y + h + 2 * c->border < sy)
+ y = sy;
+ if(c->x != x || c->y != y || c->w != w || c->h != h) {
+ c->x = wc.x = x;
+ c->y = wc.y = y;
+ c->w = wc.width = w;
+ c->h = wc.height = h;
+ wc.border_width = c->border;
+ XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
+ configure(c);
+ XSync(dpy, False);
+ }
+}
+
 static void
 resizemouse(Client *c) {
         int ocx, ocy;
@@ -952,389 +1292,6 @@ resizemouse(Client *c) {
 }
 
 static void
-buttonpress(XEvent *e) {
- unsigned int i, x;
- Client *c;
- XButtonPressedEvent *ev = &e->xbutton;
-
- if(barwin == ev->window) {
- x = 0;
- for(i = 0; i < ntags; i++) {
- x += textw(tags[i]);
- if(ev->x < x) {
- if(ev->button == Button1) {
- if(ev->state & MODKEY)
- tag(tags[i]);
- else
- view(tags[i]);
- }
- else if(ev->button == Button3) {
- if(ev->state & MODKEY)
- toggletag(tags[i]);
- else
- toggleview(tags[i]);
- }
- return;
- }
- }
- if((ev->x < x + blw) && ev->button == Button1)
- setlayout(NULL);
- }
- else if((c = getclient(ev->window))) {
- focus(c);
- if(CLEANMASK(ev->state) != MODKEY)
- return;
- if(ev->button == Button1 && (isfloating() || c->isfloating)) {
- restack();
- movemouse(c);
- }
- else if(ev->button == Button2)
- zoom(NULL);
- else if(ev->button == Button3
- && (isfloating() || c->isfloating) && !c->isfixed)
- {
- restack();
- resizemouse(c);
- }
- }
-}
-
-static void
-configurerequest(XEvent *e) {
- Client *c;
- XConfigureRequestEvent *ev = &e->xconfigurerequest;
- XWindowChanges wc;
-
- if((c = getclient(ev->window))) {
- c->ismax = False;
- if(ev->value_mask & CWBorderWidth)
- c->border = ev->border_width;
- if(c->isfixed || c->isfloating || isfloating()) {
- if(ev->value_mask & CWX)
- c->x = ev->x;
- if(ev->value_mask & CWY)
- c->y = ev->y;
- if(ev->value_mask & CWWidth)
- c->w = ev->width;
- if(ev->value_mask & CWHeight)
- c->h = ev->height;
- if((c->x + c->w) > sw && c->isfloating)
- c->x = sw / 2 - c->w / 2; /* center in x direction */
- if((c->y + c->h) > sh && c->isfloating)
- c->y = sh / 2 - c->h / 2; /* center in y direction */
- if((ev->value_mask & (CWX | CWY))
- && !(ev->value_mask & (CWWidth | CWHeight)))
- configure(c);
- if(isvisible(c))
- XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
- }
- else
- configure(c);
- }
- else {
- wc.x = ev->x;
- wc.y = ev->y;
- wc.width = ev->width;
- wc.height = ev->height;
- wc.border_width = ev->border_width;
- wc.sibling = ev->above;
- wc.stack_mode = ev->detail;
- XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
- }
- XSync(dpy, False);
-}
-
-static void
-configurenotify(XEvent *e) {
- XConfigureEvent *ev = &e->xconfigure;
-
- if (ev->window == root && (ev->width != sw || ev->height != sh)) {
- sw = ev->width;
- sh = ev->height;
- XFreePixmap(dpy, dc.drawable);
- dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
- XResizeWindow(dpy, barwin, sw, bh);
- updatebarpos();
- arrange();
- }
-}
-
-static void
-destroynotify(XEvent *e) {
- Client *c;
- XDestroyWindowEvent *ev = &e->xdestroywindow;
-
- if((c = getclient(ev->window)))
- unmanage(c);
-}
-
-static void
-enternotify(XEvent *e) {
- Client *c;
- XCrossingEvent *ev = &e->xcrossing;
-
- if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
- return;
- if((c = getclient(ev->window)))
- focus(c);
- else if(ev->window == root) {
- selscreen = True;
- focus(NULL);
- }
-}
-
-static void
-expose(XEvent *e) {
- XExposeEvent *ev = &e->xexpose;
-
- if(ev->count == 0) {
- if(barwin == ev->window)
- drawbar();
- }
-}
-
-static 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++)
- if(keysym == keys[i].keysym
- && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state))
- {
- if(keys[i].func)
- keys[i].func(keys[i].arg);
- }
-}
-
-static void
-leavenotify(XEvent *e) {
- XCrossingEvent *ev = &e->xcrossing;
-
- if((ev->window == root) && !ev->same_screen) {
- selscreen = False;
- focus(NULL);
- }
-}
-
-static void
-mappingnotify(XEvent *e) {
- XMappingEvent *ev = &e->xmapping;
-
- XRefreshKeyboardMapping(ev);
- if(ev->request == MappingKeyboard)
- keypress(NULL);
-}
-
-static void
-maprequest(XEvent *e) {
- static XWindowAttributes wa;
- XMapRequestEvent *ev = &e->xmaprequest;
-
- if(!XGetWindowAttributes(dpy, ev->window, &wa))
- return;
- if(wa.override_redirect)
- return;
- if(!getclient(ev->window))
- manage(ev->window, &wa);
-}
-
-static void
-propertynotify(XEvent *e) {
- Client *c;
- Window trans;
- XPropertyEvent *ev = &e->xproperty;
-
- if(ev->state == PropertyDelete)
- return; /* ignore */
- if((c = getclient(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)))
- arrange();
- break;
- case XA_WM_NORMAL_HINTS:
- updatesizehints(c);
- break;
- }
- if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
- updatetitle(c);
- if(c == sel)
- drawbar();
- }
- }
-}
-
-static void
-unmapnotify(XEvent *e) {
- Client *c;
- XUnmapEvent *ev = &e->xunmap;
-
- if((c = getclient(ev->window)))
- unmanage(c);
-}
-
-static unsigned int
-idxoftag(const char *tag) {
- unsigned int i;
-
- for(i = 0; i < ntags; i++)
- if(tags[i] == tag)
- return i;
- return 0;
-}
-
-static void
-floating(void) { /* default floating layout */
- Client *c;
-
- for(c = clients; c; c = c->next)
- if(isvisible(c))
- resize(c, c->x, c->y, c->w, c->h, True);
-}
-
-static void
-applyrules(Client *c) {
- static char buf[512];
- unsigned int i, j;
- regmatch_t tmp;
- Bool matched = False;
- XClassHint ch = { 0 };
-
- /* rule matching */
- XGetClassHint(dpy, c->win, &ch);
- 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++)
- 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++) {
- if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
- matched = True;
- c->tags[j] = True;
- }
- }
- }
- if(ch.res_class)
- XFree(ch.res_class);
- if(ch.res_name)
- XFree(ch.res_name);
- if(!matched)
- for(i = 0; i < ntags; i++)
- c->tags[i] = seltags[i];
-}
-
-static void
-compileregs(void) {
- unsigned int i;
- regex_t *reg;
-
- if(regs)
- return;
- nrules = sizeof rules / sizeof rules[0];
- regs = emallocz(nrules * sizeof(Regs));
- for(i = 0; i < nrules; i++) {
- if(rules[i].prop) {
- reg = emallocz(sizeof(regex_t));
- if(regcomp(reg, rules[i].prop, REG_EXTENDED))
- free(reg);
- else
- regs[i].propregex = reg;
- }
- if(rules[i].tags) {
- reg = emallocz(sizeof(regex_t));
- if(regcomp(reg, rules[i].tags, REG_EXTENDED))
- free(reg);
- else
- regs[i].tagregex = reg;
- }
- }
-}
-
-static void
-focusnext(const char *arg) {
- Client *c;
-
- if(!sel)
- return;
- for(c = sel->next; c && !isvisible(c); c = c->next);
- if(!c)
- for(c = clients; c && !isvisible(c); c = c->next);
- if(c) {
- focus(c);
- restack();
- }
-}
-
-static void
-focusprev(const char *arg) {
- Client *c;
-
- if(!sel)
- return;
- for(c = sel->prev; c && !isvisible(c); c = c->prev);
- if(!c) {
- for(c = clients; c && c->next; c = c->next);
- for(; c && !isvisible(c); c = c->prev);
- }
- if(c) {
- focus(c);
- restack();
- }
-}
-
-static void
-initlayouts(void) {
- unsigned int i, w;
-
- nlayouts = sizeof layouts / sizeof layouts[0];
- for(blw = i = 0; i < nlayouts; i++) {
- w = textw(layouts[i].symbol);
- if(w > blw)
- blw = w;
- }
-}
-
-static Bool
-isfloating(void) {
- return layouts[ltidx].arrange == floating;
-}
-
-static Bool
-isvisible(Client *c) {
- unsigned int i;
-
- for(i = 0; i < ntags; i++)
- if(c->tags[i] && seltags[i])
- return True;
- return False;
-}
-
-static void
 restack(void) {
         Client *c;
         XEvent ev;
@@ -1364,150 +1321,6 @@ restack(void) {
 }
 
 static void
-setlayout(const char *arg) {
- unsigned int i;
-
- if(!arg) {
- if(++ltidx == nlayouts)
- ltidx = 0;;
- }
- else {
- for(i = 0; i < nlayouts; i++)
- if(!strcmp(arg, layouts[i].symbol))
- break;
- if(i == nlayouts)
- return;
- ltidx = i;
- }
- if(sel)
- arrange();
- else
- drawbar();
-}
-
-static void
-tag(const char *arg) {
- unsigned int i;
-
- 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;
- arrange();
-}
-
-static void
-togglefloating(const char *arg) {
- if(!sel)
- return;
- sel->isfloating = !sel->isfloating;
- if(sel->isfloating)
- resize(sel, sel->x, sel->y, sel->w, sel->h, True);
- arrange();
-}
-
-static void
-togglemax(const char *arg) {
- XEvent ev;
-
- if(!sel || (!isfloating() && !sel->isfloating) || sel->isfixed)
- return;
- if((sel->ismax = !sel->ismax)) {
- sel->rx = sel->x;
- sel->ry = sel->y;
- sel->rw = sel->w;
- sel->rh = sel->h;
- resize(sel, wax, way, waw - 2 * sel->border, wah - 2 * sel->border, True);
- }
- else
- resize(sel, sel->rx, sel->ry, sel->rw, sel->rh, True);
- drawbar();
- while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
-}
-
-static void
-toggletag(const char *arg) {
- unsigned int i, j;
-
- if(!sel)
- 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;
- arrange();
-}
-
-static void
-toggleview(const char *arg) {
- unsigned int i, j;
-
- i = idxoftag(arg);
- seltags[i] = !seltags[i];
- for(j = 0; j < ntags && !seltags[j]; j++);
- if(j == ntags)
- seltags[i] = True; /* cannot toggle last view */
- arrange();
-}
-
-static void
-view(const char *arg) {
- unsigned int i;
-
- for(i = 0; i < ntags; i++)
- seltags[i] = arg == NULL;
- i = idxoftag(arg);
- if(i >= 0 && i < ntags)
- seltags[i] = True;
- arrange();
-}
-
-static void
-cleanup(void) {
- close(STDIN_FILENO);
- while(stack) {
- unban(stack);
- unmanage(stack);
- }
- if(dc.font.set)
- XFreeFontSet(dpy, dc.font.set);
- else
- XFreeFont(dpy, dc.font.xfont);
- XUngrabKey(dpy, AnyKey, AnyModifier, root);
- XFreePixmap(dpy, dc.drawable);
- XFreeGC(dpy, dc.gc);
- XDestroyWindow(dpy, barwin);
- XFreeCursor(dpy, cursor[CurNormal]);
- XFreeCursor(dpy, cursor[CurResize]);
- XFreeCursor(dpy, cursor[CurMove]);
- XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
- XSync(dpy, False);
- free(seltags);
-}
-
-static long
-getstate(Window w) {
- int format, status;
- long result = -1;
- unsigned char *p = NULL;
- unsigned long n, extra;
- Atom real;
-
- status = XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState],
- &real, &format, &n, &extra, (unsigned char **)&p);
- if(status != Success)
- return -1;
- if(n != 0)
- result = *p;
- XFree(p);
- return result;
-}
-
-static void
 scan(void) {
         unsigned int i, num;
         Window *wins, d1, d2;
@@ -1532,6 +1345,58 @@ scan(void) {
         }
         if(wins)
                 XFree(wins);
+}
+
+static void
+setclientstate(Client *c, long state) {
+ long data[] = {state, None};
+
+ XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
+ PropModeReplace, (unsigned char *)data, 2);
+}
+
+static void
+setlayout(const char *arg) {
+ unsigned int i;
+
+ if(!arg) {
+ if(++ltidx == nlayouts)
+ ltidx = 0;;
+ }
+ else {
+ for(i = 0; i < nlayouts; i++)
+ if(!strcmp(arg, layouts[i].symbol))
+ break;
+ if(i == nlayouts)
+ return;
+ ltidx = i;
+ }
+ if(sel)
+ arrange();
+ else
+ drawbar();
+}
+
+static void
+setmwfact(const char *arg) {
+ double delta;
+
+ if(!isarrange(tile))
+ return;
+ /* arg handling, manipulate mwfact */
+ if(arg == NULL)
+ mwfact = MWFACT;
+ else if(1 == sscanf(arg, "%lf", &delta)) {
+ if(arg[0] != '+' && arg[0] != '-')
+ mwfact = delta;
+ else
+ mwfact += delta;
+ if(mwfact < 0.1)
+ mwfact = 0.1;
+ else if(mwfact > 0.9)
+ mwfact = 0.9;
+ }
+ arrange();
 }
 
 static void
@@ -1586,52 +1451,291 @@ setup(void) {
         selscreen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
 }
 
-/*
- * Startup Error handler to check if another window manager
- * is already running.
- */
-static int
-xerrorstart(Display *dsply, XErrorEvent *ee) {
- otherwm = True;
- return -1;
-}
-
-static Bool
-gettextprop(Window w, Atom atom, char *text, unsigned int size) {
- char **list = NULL;
- int n;
- XTextProperty name;
-
- if(!text || size == 0)
- return False;
- text[0] = '\0';
- XGetTextProperty(dpy, w, &name, atom);
- if(!name.nitems)
- return False;
- if(name.encoding == XA_STRING)
- strncpy(text, (char *)name.value, size - 1);
- else {
- if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
- && n > 0 && *list)
- {
- strncpy(text, *list, size - 1);
- XFreeStringList(list);
- }
- }
- text[size - 1] = '\0';
- XFree(name.value);
- return True;
-}
-
-static void
-quit(const char *arg) {
- readin = running = False;
+static void
+spawn(const char *arg) {
+ static char *shell = NULL;
+
+ if(!shell && !(shell = getenv("SHELL")))
+ shell = "/bin/sh";
+ if(!arg)
+ return;
+ /* The double-fork construct avoids zombie processes and keeps the code
+ * clean from stupid signal handlers. */
+ if(fork() == 0) {
+ if(fork() == 0) {
+ if(dpy)
+ close(ConnectionNumber(dpy));
+ setsid();
+ execl(shell, shell, "-c", arg, (char *)NULL);
+ fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg);
+ perror(" failed");
+ }
+ exit(0);
+ }
+ wait(0);
+}
+
+static void
+tag(const char *arg) {
+ unsigned int i;
+
+ 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;
+ arrange();
+}
+
+static unsigned int
+textnw(const char *text, unsigned int len) {
+ XRectangle r;
+
+ if(dc.font.set) {
+ XmbTextExtents(dc.font.set, text, len, NULL, &r);
+ return r.width;
+ }
+ return XTextWidth(dc.font.xfont, text, len);
+}
+
+static unsigned int
+textw(const char *text) {
+ return textnw(text, strlen(text)) + dc.font.height;
+}
+
+static void
+tile(void) {
+ unsigned int i, n, nx, ny, nw, nh, mw, th;
+ Client *c;
+
+ for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
+ n++;
+
+ /* window geoms */
+ mw = (n == 1) ? waw : mwfact * waw;
+ th = (n > 1) ? wah / (n - 1) : 0;
+ if(n > 1 && th < bh)
+ th = wah;
+
+ nx = wax;
+ ny = way;
+ for(i = 0, c = nexttiled(clients); c; c = nexttiled(c->next), i++) {
+ c->ismax = False;
+ if(i == 0) { /* master */
+ nw = mw - 2 * c->border;
+ nh = wah - 2 * c->border;
+ }
+ else { /* tile window */
+ if(i == 1) {
+ ny = way;
+ nx += mw;
+ }
+ nw = waw - mw - 2 * c->border;
+ if(i + 1 == n) /* remainder */
+ nh = (way + wah) - ny - 2 * c->border;
+ else
+ nh = th - 2 * c->border;
+ }
+ resize(c, nx, ny, nw, nh, RESIZEHINTS);
+ if(n > 1 && th != wah)
+ ny += nh + 2 * c->border;
+ }
+}
+
+static void
+togglebar(const char *arg) {
+ if(bpos == BarOff)
+ bpos = (BARPOS == BarOff) ? BarTop : BARPOS;
+ else
+ bpos = BarOff;
+ updatebarpos();
+ arrange();
+}
+
+static void
+togglefloating(const char *arg) {
+ if(!sel)
+ return;
+ sel->isfloating = !sel->isfloating;
+ if(sel->isfloating)
+ resize(sel, sel->x, sel->y, sel->w, sel->h, True);
+ arrange();
+}
+
+static void
+togglemax(const char *arg) {
+ XEvent ev;
+
+ if(!sel || (!isfloating() && !sel->isfloating) || sel->isfixed)
+ return;
+ if((sel->ismax = !sel->ismax)) {
+ sel->rx = sel->x;
+ sel->ry = sel->y;
+ sel->rw = sel->w;
+ sel->rh = sel->h;
+ resize(sel, wax, way, waw - 2 * sel->border, wah - 2 * sel->border, True);
+ }
+ else
+ resize(sel, sel->rx, sel->ry, sel->rw, sel->rh, True);
+ drawbar();
+ while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+}
+
+static void
+toggletag(const char *arg) {
+ unsigned int i, j;
+
+ if(!sel)
+ 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;
+ arrange();
+}
+
+static void
+toggleview(const char *arg) {
+ unsigned int i, j;
+
+ i = idxoftag(arg);
+ seltags[i] = !seltags[i];
+ for(j = 0; j < ntags && !seltags[j]; j++);
+ if(j == ntags)
+ seltags[i] = True; /* cannot toggle last view */
+ arrange();
+}
+
+static void
+unban(Client *c) {
+ if(!c->isbanned)
+ return;
+ XMoveWindow(dpy, c->win, c->x, c->y);
+ c->isbanned = False;
+}
+
+static void
+unmanage(Client *c) {
+ XWindowChanges wc;
+
+ wc.border_width = c->oldborder;
+ /* The server grab construct avoids race conditions. */
+ XGrabServer(dpy);
+ XSetErrorHandler(xerrordummy);
+ XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
+ detach(c);
+ detachstack(c);
+ if(sel == c)
+ focus(NULL);
+ XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
+ setclientstate(c, WithdrawnState);
+ free(c->tags);
+ free(c);
+ XSync(dpy, False);
+ XSetErrorHandler(xerror);
+ XUngrabServer(dpy);
+ arrange();
+}
+
+static void
+unmapnotify(XEvent *e) {
+ Client *c;
+ XUnmapEvent *ev = &e->xunmap;
+
+ if((c = getclient(ev->window)))
+ unmanage(c);
+}
+
+static void
+updatebarpos(void) {
+ XEvent ev;
+
+ wax = sx;
+ way = sy;
+ wah = sh;
+ waw = sw;
+ switch(bpos) {
+ default:
+ wah -= bh;
+ way += bh;
+ XMoveWindow(dpy, barwin, sx, sy);
+ break;
+ case BarBot:
+ wah -= bh;
+ XMoveWindow(dpy, barwin, sx, sy + wah);
+ break;
+ case BarOff:
+ XMoveWindow(dpy, barwin, sx, sy - bh);
+ break;
+ }
+ XSync(dpy, False);
+ while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+}
+
+static void
+updatesizehints(Client *c) {
+ long msize;
+ XSizeHints size;
+
+ if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
+ size.flags = PSize;
+ c->flags = size.flags;
+ if(c->flags & PBaseSize) {
+ c->basew = size.base_width;
+ c->baseh = size.base_height;
+ }
+ else if(c->flags & PMinSize) {
+ c->basew = size.min_width;
+ c->baseh = size.min_height;
+ }
+ else
+ c->basew = c->baseh = 0;
+ if(c->flags & PResizeInc) {
+ c->incw = size.width_inc;
+ c->inch = size.height_inc;
+ }
+ else
+ c->incw = c->inch = 0;
+ if(c->flags & PMaxSize) {
+ c->maxw = size.max_width;
+ c->maxh = size.max_height;
+ }
+ else
+ c->maxw = c->maxh = 0;
+ if(c->flags & PMinSize) {
+ c->minw = size.min_width;
+ c->minh = size.min_height;
+ }
+ else if(c->flags & PBaseSize) {
+ c->minw = size.base_width;
+ c->minh = size.base_height;
+ }
+ else
+ c->minw = c->minh = 0;
+ if(c->flags & PAspect) {
+ c->minax = size.min_aspect.x;
+ c->maxax = size.max_aspect.x;
+ c->minay = size.min_aspect.y;
+ c->maxay = size.max_aspect.y;
+ }
+ else
+ c->minax = c->maxax = c->minay = c->maxay = 0;
+ c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
+ && c->maxw == c->minw && c->maxh == c->minh);
+}
+
+static 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);
 }
 
 /* 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.
- */
+ * default error handler, which may call exit. */
 static int
 xerror(Display *dpy, XErrorEvent *ee) {
         if(ee->error_code == BadWindow
@@ -1648,135 +1752,29 @@ xerror(Display *dpy, XErrorEvent *ee) {
         return xerrorxlib(dpy, ee); /* may call exit */
 }
 
-static void
-arrange(void) {
- Client *c;
-
- for(c = clients; c; c = c->next)
- if(isvisible(c))
- unban(c);
- else
- ban(c);
- layouts[ltidx].arrange();
- focus(NULL);
- restack();
-}
-
-static void
-attach(Client *c) {
- if(clients)
- clients->prev = c;
- c->next = clients;
- clients = c;
-}
-
-static void
-detach(Client *c) {
- if(c->prev)
- c->prev->next = c->next;
- if(c->next)
- c->next->prev = c->prev;
- if(c == clients)
- clients = c->next;
- c->next = c->prev = NULL;
-}
-
-static void
-focus(Client *c) {
- if((!c && selscreen) || (c && !isvisible(c)))
- for(c = stack; c && !isvisible(c); c = c->snext);
- if(sel && sel != c) {
- grabbuttons(sel, False);
- XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
- }
- if(c) {
- detachstack(c);
- attachstack(c);
- grabbuttons(c, True);
- }
- sel = c;
- drawbar();
- if(!selscreen)
- return;
- if(c) {
- XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
- XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
- }
- else
- XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
-}
-
-static Bool
-isarrange(void (*func)())
-{
- return func == layouts[ltidx].arrange;
-}
-
-static Client *
-nexttiled(Client *c) {
- for(; c && (c->isfloating || !isvisible(c)); c = c->next);
- return c;
-}
-
-static void
-setmwfact(const char *arg) {
- double delta;
-
- if(!isarrange(tile))
- return;
- /* arg handling, manipulate mwfact */
- if(arg == NULL)
- mwfact = MWFACT;
- else if(1 == sscanf(arg, "%lf", &delta)) {
- if(arg[0] != '+' && arg[0] != '-')
- mwfact = delta;
- else
- mwfact += delta;
- if(mwfact < 0.1)
- mwfact = 0.1;
- else if(mwfact > 0.9)
- mwfact = 0.9;
- }
+static int
+xerrordummy(Display *dsply, XErrorEvent *ee) {
+ return 0;
+}
+
+/* Startup Error handler to check if another window manager
+ * is already running. */
+static int
+xerrorstart(Display *dsply, XErrorEvent *ee) {
+ otherwm = True;
+ return -1;
+}
+
+static void
+view(const char *arg) {
+ unsigned int i;
+
+ for(i = 0; i < ntags; i++)
+ seltags[i] = arg == NULL;
+ i = idxoftag(arg);
+ if(i >= 0 && i < ntags)
+ seltags[i] = True;
         arrange();
-}
-
-static void
-tile(void) {
- unsigned int i, n, nx, ny, nw, nh, mw, th;
- Client *c;
-
- for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
- n++;
-
- /* window geoms */
- mw = (n == 1) ? waw : mwfact * waw;
- th = (n > 1) ? wah / (n - 1) : 0;
- if(n > 1 && th < bh)
- th = wah;
-
- nx = wax;
- ny = way;
- for(i = 0, c = nexttiled(clients); c; c = nexttiled(c->next), i++) {
- c->ismax = False;
- if(i == 0) { /* master */
- nw = mw - 2 * c->border;
- nh = wah - 2 * c->border;
- }
- else { /* tile window */
- if(i == 1) {
- ny = way;
- nx += mw;
- }
- nw = waw - mw - 2 * c->border;
- if(i + 1 == n) /* remainder */
- nh = (way + wah) - ny - 2 * c->border;
- else
- nh = th - 2 * c->border;
- }
- resize(c, nx, ny, nw, nh, RESIZEHINTS);
- if(n > 1 && th != wah)
- ny += nh + 2 * c->border;
- }
 }
 
 static void
Received on Sun Sep 16 2007 - 11:57:31 UTC