X-Git-Url: https://jasonwoof.com/gitweb/?p=dwm.git;a=blobdiff_plain;f=main.c;h=66645b3cfad97193de3030e0530abd1ac5c89424;hp=6ef9ea76af96b2be89254340b81f86dfbb4a74e5;hb=a730213c3b47397c890eea0df7e03e45d5d38b6d;hpb=e571de83e94c60ec3737e93145e6ffdce5de9c58 diff --git a/main.c b/main.c index 6ef9ea7..66645b3 100644 --- a/main.c +++ b/main.c @@ -1,46 +1,127 @@ -/* - * (C)opyright MMVI Anselm R. Garbe - * See LICENSE file for license details. - */ - +/* © 2006-2007 Anselm R. Garbe + * © 2006-2007 Sander van Dijk + * See LICENSE file for license details. */ #include "dwm.h" #include +#include #include #include #include #include #include #include +#include #include #include +/* extern */ + +char stext[256]; +int screen, sx, sy, sw, sh, wax, way, waw, wah; +unsigned int bh, ntags, numlockmask; +Atom wmatom[WMLast], netatom[NetLast]; +Bool *seltag; +Bool selscreen = True; +Client *clients = NULL; +Client *sel = NULL; +Client *stack = NULL; +Cursor cursor[CurLast]; +Display *dpy; +DC dc = {0}; +Window root, barwin; + /* static */ static int (*xerrorxlib)(Display *, XErrorEvent *); -static Bool otherwm; +static Bool otherwm, readin; +static Bool running = True; static void -cleanup() -{ - while(sel) { - resize(sel, True, TopLeft); - unmanage(sel); +cleanup(void) { + close(STDIN_FILENO); + while(stack) { + if(stack->isbanned) + XMoveWindow(dpy, stack->win, stack->x, stack->y); + 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(seltag); +} + +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 -scan() -{ +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, "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))) + 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 +scan(void) { unsigned int i, num; Window *wins, d1, d2; XWindowAttributes wa; + wins = NULL; if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { for(i = 0; i < num; i++) { - if(!XGetWindowAttributes(dpy, wins[i], &wa)) - continue; - if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) + if(!XGetWindowAttributes(dpy, wins[i], &wa) + || wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) continue; if(wa.map_state == IsViewable) manage(wins[i], &wa); @@ -50,23 +131,83 @@ scan() XFree(wins); } -static int -win_property(Window w, Atom a, Atom t, long l, unsigned char **prop) -{ - int status, format; - unsigned long res, extra; - Atom real; - - status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format, - &res, &extra, prop); +static void +setup(void) { + int i, j; + unsigned int mask; + Window w; + XModifierKeymap *modmap; + XSetWindowAttributes wa; - if(status != Success || *prop == 0) { - return 0; - } - if(res == 0) { - free((void *) *prop); - } - return res; + /* init atoms */ + 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); + XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32, + PropModeReplace, (unsigned char *) netatom, NetLast); + /* init cursors */ + cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr); + cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing); + cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur); + /* init modifier map */ + numlockmask = 0; + modmap = XGetModifierMapping(dpy); + for (i = 0; i < 8; i++) + for (j = 0; j < modmap->max_keypermod; j++) { + if(modmap->modifiermap[i * modmap->max_keypermod + j] + == XKeysymToKeycode(dpy, XK_Num_Lock)) + numlockmask = (1 << i); + } + XFreeModifiermap(modmap); + /* select for events */ + wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask + | EnterWindowMask | LeaveWindowMask; + wa.cursor = cursor[CurNormal]; + XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa); + grabkeys(); + compileregs(); + for(ntags = 0; tags[ntags]; ntags++); + seltag = emallocz(sizeof(Bool) * ntags); + seltag[0] = True; + /* style */ + 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); + /* geometry */ + sx = sy = 0; + sw = DisplayWidth(dpy, screen); + sh = DisplayHeight(dpy, screen); + initlayouts(); + /* bar */ + dc.h = bh = dc.font.height + 2; + wa.override_redirect = 1; + wa.background_pixmap = ParentRelative; + wa.event_mask = ButtonPressMask | ExposureMask; + barwin = XCreateWindow(dpy, root, sx, sy + (TOPBAR ? 0 : sh - bh), sw, bh, 0, + DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen), + CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); + XDefineCursor(dpy, barwin, cursor[CurNormal]); + XMapRaised(dpy, barwin); + strcpy(stext, "dwm-"VERSION); + /* windowarea */ + wax = sx; + way = sy + (TOPBAR ? bh : 0); + wah = sh - bh; + waw = sw; + /* pixmap for everything */ + dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen)); + dc.gc = XCreateGC(dpy, root, 0, 0); + XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter); + if(!dc.font.set) + XSetFont(dpy, dc.gc, dc.font.xfont->fid); + /* multihead support */ + selscreen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask); } /* @@ -74,221 +215,110 @@ win_property(Window w, Atom a, Atom t, long l, unsigned char **prop) * is already running. */ static int -xerrorstart(Display *dsply, XErrorEvent *ee) -{ +xerrorstart(Display *dsply, XErrorEvent *ee) { otherwm = True; return -1; } /* extern */ -char stext[1024]; -Bool *seltag; -int screen, sx, sy, sw, sh, bx, by, bw, bh, mw; -unsigned int ntags; -Atom wmatom[WMLast], netatom[NetLast]; -Bool running = True; -Bool issel = True; -Client *clients = NULL; -Client *sel = NULL; -Cursor cursor[CurLast]; -Display *dpy; -DC dc = {0}; -Window root, barwin; - -int -getproto(Window w) -{ - int protos = 0; - int i; - long res; - Atom *protocols; - - res = win_property(w, wmatom[WMProtocols], XA_ATOM, 20L, - ((unsigned char **)&protocols)); - if(res <= 0) { - return protos; - } - for(i = 0; i < res; i++) { - if(protocols[i] == wmatom[WMDelete]) - protos |= PROTODELWIN; - } - free((char *) protocols); - return protos; -} - -void -sendevent(Window w, Atom a, long value) -{ - XEvent e; - - e.type = ClientMessage; - e.xclient.window = w; - e.xclient.message_type = a; - e.xclient.format = 32; - e.xclient.data.l[0] = value; - e.xclient.data.l[1] = CurrentTime; - XSendEvent(dpy, w, False, NoEventMask, &e); - XSync(dpy, False); -} - void -quit(Arg *arg) -{ - running = False; +quit(const char *arg) { + readin = running = False; } -/* - * 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 - * default error handler, which calls exit(). + * default error handler, which may call exit. */ int -xerror(Display *dpy, XErrorEvent *ee) -{ +xerror(Display *dpy, XErrorEvent *ee) { if(ee->error_code == BadWindow || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch) || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable) || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable) || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable) || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch) - || (ee->request_code == X_GrabKey && ee->error_code == BadAccess)) + || (ee->request_code == X_GrabKey && ee->error_code == BadAccess) + || (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); - return xerrorxlib(dpy, ee); /* may call exit() */ + return xerrorxlib(dpy, ee); /* may call exit */ } int -main(int argc, char *argv[]) -{ - int i, xfd; - unsigned int mask; +main(int argc, char *argv[]) { + char *p; + int r, xfd; fd_set rd; - Bool readin = True; - Window w; XEvent ev; - XSetWindowAttributes wa; - if(argc == 2 && !strncmp("-v", argv[1], 3)) { - fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout); - exit(EXIT_SUCCESS); - } + if(argc == 2 && !strncmp("-v", argv[1], 3)) + eprint("dwm-"VERSION", © 2004-2007 Anselm R. Garbe, Sander van Dijk\n"); else if(argc != 1) eprint("usage: dwm [-v]\n"); - - dpy = XOpenDisplay(0); - if(!dpy) + setlocale(LC_CTYPE, ""); + if(!(dpy = XOpenDisplay(0))) eprint("dwm: cannot open display\n"); - xfd = ConnectionNumber(dpy); screen = DefaultScreen(dpy); root = RootWindow(dpy, screen); - otherwm = False; XSetErrorHandler(xerrorstart); /* this causes an error if some other window manager is running */ XSelectInput(dpy, root, SubstructureRedirectMask); XSync(dpy, False); - if(otherwm) eprint("dwm: another window manager is already running\n"); + XSync(dpy, False); XSetErrorHandler(NULL); xerrorxlib = XSetErrorHandler(xerror); - - /* init atoms */ - wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); - wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); - netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); - netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); - XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32, - PropModeReplace, (unsigned char *) netatom, NetLast); - - /* init cursors */ - cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr); - cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing); - cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur); - - grabkeys(); - initrregs(); - - for(ntags = 0; tags[ntags]; ntags++); - seltag = emallocz(sizeof(Bool) * ntags); - seltag[DEFTAG] = True; - - /* style */ - dc.bg = getcolor(BGCOLOR); - dc.fg = getcolor(FGCOLOR); - dc.border = getcolor(BORDERCOLOR); - setfont(FONT); - - sx = sy = 0; - sw = DisplayWidth(dpy, screen); - sh = DisplayHeight(dpy, screen); - mw = (sw * MASTERW) / 100; - - wa.override_redirect = 1; - wa.background_pixmap = ParentRelative; - wa.event_mask = ButtonPressMask | ExposureMask; - - bx = by = 0; - bw = sw; - dc.h = bh = dc.font.height + 4; - barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen), - CopyFromParent, DefaultVisual(dpy, screen), - CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); - XDefineCursor(dpy, barwin, cursor[CurNormal]); - XMapRaised(dpy, barwin); - - dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen)); - dc.gc = XCreateGC(dpy, root, 0, 0); - - strcpy(stext, "dwm-"VERSION); + XSync(dpy, False); + setup(); drawstatus(); - - issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask); - - wa.event_mask = SubstructureRedirectMask | EnterWindowMask | LeaveWindowMask; - wa.cursor = cursor[CurNormal]; - XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa); - scan(); /* main event loop, also reads status text from stdin */ XSync(dpy, False); + readin = True; while(running) { FD_ZERO(&rd); if(readin) FD_SET(STDIN_FILENO, &rd); FD_SET(xfd, &rd); - - i = select(xfd + 1, &rd, 0, 0, 0); - if(i == -1 && errno == EINTR) - continue; - if(i < 0) + if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) { + if(errno == EINTR) + continue; eprint("select failed\n"); - else if(i > 0) { - if(FD_ISSET(xfd, &rd)) { - while(XPending(dpy)) { - XNextEvent(dpy, &ev); - if(handler[ev.type]) - (handler[ev.type])(&ev); /* call handler */ - } - } - if(readin && FD_ISSET(STDIN_FILENO, &rd)) { - readin = NULL != fgets(stext, sizeof(stext), stdin); - if(readin) - stext[strlen(stext) - 1] = 0; - else - strcpy(stext, "broken pipe"); - drawstatus(); + } + if(FD_ISSET(STDIN_FILENO, &rd)) { + switch(r = read(STDIN_FILENO, stext, sizeof stext - 1)) { + case -1: + strncpy(stext, strerror(errno), sizeof stext - 1); + stext[sizeof stext - 1] = '\0'; + readin = False; + break; + case 0: + strncpy(stext, "EOF", 4); + readin = False; + break; + default: + for(stext[r] = '\0', p = stext + strlen(stext) - 1; p >= stext && *p == '\n'; *p-- = '\0'); + for(; p >= stext && *p != '\n'; --p); + if(p > stext) + strncpy(stext, p + 1, sizeof stext); } + drawstatus(); + } + while(XPending(dpy)) { + XNextEvent(dpy, &ev); + if(handler[ev.type]) + (handler[ev.type])(&ev); /* call handler */ } } - cleanup(); XCloseDisplay(dpy); - return 0; }