X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=main.c;h=6544e9ce02c594c25e2c5f567ae793818bf1171b;hb=2091200c957783deed032380d56c4199a23c6b81;hp=2d132a5d84d50922843a6acdeea10afb7cda3259;hpb=e6cbe9c11e88537d74eb094ba5844f71ee57f268;p=dwm.git diff --git a/main.c b/main.c index 2d132a5..1e1ad4c 100644 --- a/main.c +++ b/main.c @@ -1,64 +1,101 @@ -/* - * (C)opyright MMVI Anselm R. Garbe - * See LICENSE file for license details. - */ - +/* See LICENSE file for copyright and license details. */ #include "dwm.h" - #include +#include #include #include #include #include +#include #include +#include #include #include +#include -Display *dpy; -Window root, barwin; -Atom wmatom[WMLast], netatom[NetLast]; -Cursor cursor[CurLast]; -Bool running = True; -Bool issel = True; - -int tsel = Tdev; /* default tag */ -int screen, sx, sy, sw, sh, bx, by, bw, bh, mw; -char stext[1024]; +/* extern */ -DC dc = {0}; +char stext[256]; +int screen, sx, sy, sw, sh, wax, way, waw, wah; +unsigned int ntags; +unsigned int numlockmask = 0; +Atom wmatom[WMLast], netatom[NetLast]; +Bool *seltags; +Bool selscreen = True; Client *clients = NULL; Client *sel = NULL; +Client *stack = NULL; +Cursor cursor[CurLast]; +Display *dpy; +Window root; -static Bool otherwm; -static int (*xerrorxlib)(Display *, XErrorEvent *); +/* static */ -/* static functions */ +static int (*xerrorxlib)(Display *, XErrorEvent *); +static Bool otherwm, readin; +static Bool running = True; static void -cleanup() -{ - while(sel) { - resize(sel, True); - unmanage(sel); +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() -{ +scan(void) { unsigned int i, num; - Window *wins; + Window *wins, d1, d2; XWindowAttributes wa; - Window d1, d2; + wins = NULL; if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { for(i = 0; i < num; i++) { - if(!XGetWindowAttributes(dpy, wins[i], &wa)) + if(!XGetWindowAttributes(dpy, wins[i], &wa) + || wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) continue; - if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) + if(wa.map_state == IsViewable || getstate(wins[i]) == IconicState) + manage(wins[i], &wa); + } + for(i = 0; i < num; i++) { /* now the transients */ + if(!XGetWindowAttributes(dpy, wins[i], &wa)) continue; - if(wa.map_state == IsViewable) + if(XGetTransientForHint(dpy, wins[i], &d1) + && (wa.map_state == IsViewable || getstate(wins[i]) == IconicState)) manage(wins[i], &wa); } } @@ -66,24 +103,56 @@ scan() XFree(wins); } -static int -win_property(Window w, Atom a, Atom t, long l, unsigned char **prop) -{ - Atom real; - int format; - unsigned long res, extra; - int status; - - 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[WMName] = XInternAtom(dpy, "WM_NAME", 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 */ + 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 | StructureNotifyMask; + wa.cursor = cursor[CurNormal]; + XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa); + XSelectInput(dpy, root, wa.event_mask); + grabkeys(); + compileregs(); + for(ntags = 0; tags[ntags]; ntags++); + seltags = emallocz(sizeof(Bool) * ntags); + seltags[0] = True; + /* geometry */ + sx = sy = 0; + sw = DisplayWidth(dpy, screen); + sh = DisplayHeight(dpy, screen); + initstyle(); + initlayouts(); + initbar(); + /* multihead support */ + selscreen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask); } /* @@ -91,223 +160,137 @@ 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 functions */ - -int -getproto(Window w) -{ - unsigned char *protocols; - long res; - int protos = 0; - int i; - - res = win_property(w, wmatom[WMProtocols], XA_ATOM, 20L, &protocols); - if(res <= 0) { - return protos; - } - for(i = 0; i < res; i++) { - if(protocols[i] == wmatom[WMDelete]) - protos |= WM_PROTOCOL_DELWIN; +/* extern */ + +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); + } } - free((char *) protocols); - return protos; + text[size - 1] = '\0'; + XFree(name.value); + return True; } 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); +quit(const char *arg) { + readin = running = False; } -void -quit(Arg *arg) -{ - running = False; -} - -/* - * There's no way to check accesses to destroyed windows, thus - * those cases are ignored (especially on UnmapNotify's). - * Other types of errors call Xlib's default error handler, which - * calls exit(). +/* 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. */ 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_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_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() */ + ee->request_code, ee->error_code); + return xerrorxlib(dpy, ee); /* may call exit */ } int -main(int argc, char *argv[]) -{ - int i, n; +main(int argc, char *argv[]) { + char *p; + int r, xfd; fd_set rd; - XSetWindowAttributes wa; - unsigned int mask; - Bool readstdin = True; - Window w; XEvent ev; - for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) { - switch (argv[i][1]) { - case 'v': - fprintf(stdout, "%s", - "dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n"); - exit(0); - break; - default: - eprint("usage: dwm [-v]\n"); - break; - } - } - - dpy = XOpenDisplay(0); - if(!dpy) - eprint("dwm: cannot connect X server\n"); - + if(argc == 2 && !strcmp("-v", argv[1])) + eprint("dwm-"VERSION", © 2006-2007 A. R. Garbe, S. van Dijk, J. Salmi, P. Hruby, S. Nagy\n"); + else if(argc != 1) + eprint("usage: dwm [-v]\n"); + setlocale(LC_CTYPE, ""); + if(!(dpy = XOpenDisplay(0))) + eprint("dwm: cannot open display\n"); + xfd = ConnectionNumber(dpy); screen = DefaultScreen(dpy); root = RootWindow(dpy, screen); - - /* check if another WM is already running */ otherwm = False; XSetErrorHandler(xerrorstart); - /* this causes an error if some other WM is running */ + /* 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(); - - /* 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); - 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); - - strcpy(stext, "dwm-"VERSION); + XSync(dpy, False); + setup(); + drawbar(); scan(); - /* main event loop, reads status text from stdin as well */ -Mainloop: + /* main event loop, also reads status text from stdin */ + XSync(dpy, False); + readin = True; while(running) { FD_ZERO(&rd); - if(readstdin) + if(readin) FD_SET(STDIN_FILENO, &rd); - FD_SET(ConnectionNumber(dpy), &rd); - - i = select(ConnectionNumber(dpy) + 1, &rd, 0, 0, 0); - if(i == -1 && errno == EINTR) - continue; - if(i < 0) + FD_SET(xfd, &rd); + if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) { + if(errno == EINTR) + continue; eprint("select failed\n"); - else if(i > 0) { - if(FD_ISSET(ConnectionNumber(dpy), &rd)) { - while(XPending(dpy)) { - XNextEvent(dpy, &ev); - if(handler[ev.type]) - (handler[ev.type])(&ev); /* call handler */ - } - } - if(readstdin && FD_ISSET(STDIN_FILENO, &rd)) { - i = n = 0; - for(;;) { - if((i = getchar()) == EOF) { - /* broken pipe/end of producer */ - readstdin = False; - strcpy(stext, "broken pipe"); - goto Mainloop; - } - if(i == '\n' || n >= sizeof(stext) - 1) - break; - stext[n++] = i; - } - stext[n] = 0; - 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); } + drawbar(); + } + while(XPending(dpy)) { + XNextEvent(dpy, &ev); + if(handler[ev.type]) + (handler[ev.type])(&ev); /* call handler */ } } - cleanup(); XCloseDisplay(dpy); - return 0; }