+++ /dev/null
-/* See LICENSE file for copyright and license details. */
-#include "dwm.h"
-#include <errno.h>
-#include <locale.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/select.h>
-#include <X11/cursorfont.h>
-#include <X11/keysym.h>
-#include <X11/Xatom.h>
-#include <X11/Xproto.h>
-#include <X11/Xutil.h>
-
-/* extern */
-
-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 */
-
-static int (*xerrorxlib)(Display *, XErrorEvent *);
-static Bool otherwm, readin;
-static Bool running = True;
-
-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;
- XWindowAttributes wa;
-
- wins = NULL;
- if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
- for(i = 0; i < num; i++) {
- if(!XGetWindowAttributes(dpy, wins[i], &wa)
- || wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
- continue;
- 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(XGetTransientForHint(dpy, wins[i], &d1)
- && (wa.map_state == IsViewable || getstate(wins[i]) == IconicState))
- manage(wins[i], &wa);
- }
- }
- if(wins)
- XFree(wins);
-}
-
-static void
-setup(void) {
- int i, j;
- unsigned int mask;
- Window w;
- XModifierKeymap *modmap;
- XSetWindowAttributes wa;
-
- /* 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);
-}
-
-/*
- * Startup Error handler to check if another window manager
- * is already running.
- */
-static int
-xerrorstart(Display *dsply, XErrorEvent *ee) {
- otherwm = True;
- return -1;
-}
-
-/* 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);
- }
- }
- text[size - 1] = '\0';
- XFree(name.value);
- return True;
-}
-
-void
-quit(const char *arg) {
- readin = 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 Xlibs
- * default error handler, which may call exit.
- */
-int
-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_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 */
-}
-
-int
-main(int argc, char *argv[]) {
- char *p;
- int r, xfd;
- fd_set rd;
- XEvent ev;
-
- 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);
- 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);
- XSync(dpy, False);
- setup();
- drawbar();
- 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);
- if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) {
- if(errno == EINTR)
- continue;
- eprint("select failed\n");
- }
- 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;
-}
Got questions, comments, patches, etc.? Contact Jason Woofenden