updated man page

[dwm.git] / main.c

diff --git a/main.c b/main.c
index 8699284..6da3ccd 100644 (file)
--- a/main.c
+++ b/main.c
@@ -18,16 +18,26 @@
 /* static */
 
 static int (*xerrorxlib)(Display *, XErrorEvent *);
-static Bool otherwm;
+static Bool otherwm, readin;
 
 static void
 cleanup()
 {
+       close(STDIN_FILENO);
        while(sel) {
                resize(sel, True, TopLeft);
                unmanage(sel);
        }
+       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);
        XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
+       XSync(dpy, False);
 }
 
 static void
@@ -37,6 +47,7 @@ scan()
        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))
@@ -51,25 +62,6 @@ 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);
-
-       if(status != Success || *prop == 0) {
-               return 0;
-       }
-       if(res == 0) {
-               free((void *) *prop);
-       }
-       return res;
-}
-
 /*
  * Startup Error handler to check if another window manager
  * is already running.
@@ -100,21 +92,19 @@ 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) {
+       int i, format, protos, status;
+       unsigned long extra, res;
+       Atom *protocols, real;
+
+       protos = 0;
+       status = XGetWindowProperty(dpy, w, wmatom[WMProtocols], 0L, 20L, False,
+                       XA_ATOM, &real, &format, &res, &extra, (unsigned char **)&protocols);
+       if(status != Success || protocols == 0)
                return protos;
-       }
-       for(i = 0; i < res; i++) {
+       for(i = 0; i < res; i++)
                if(protocols[i] == wmatom[WMDelete])
                        protos |= PROTODELWIN;
-       }
-       free((char *) protocols);
+       free(protocols);
        return protos;
 }
 
@@ -136,7 +126,7 @@ sendevent(Window w, Atom a, long value)
 void
 quit(Arg *arg)
 {
-       running = False;
+       readin = running = False;
 }
 
 /*
@@ -166,9 +156,7 @@ main(int argc, char *argv[])
        int i, j, xfd;
        unsigned int mask;
        fd_set rd;
-       Bool readin = True;
        Window w;
-       XEvent ev;
        XModifierKeymap *modmap;
        XSetWindowAttributes wa;
 
@@ -196,6 +184,7 @@ main(int argc, char *argv[])
        if(otherwm)
                eprint("dwm: another window manager is already running\n");
 
+       XSync(dpy, False);
        XSetErrorHandler(NULL);
        xerrorxlib = XSetErrorHandler(xerror);
        XSync(dpy, False);
@@ -231,7 +220,7 @@ main(int argc, char *argv[])
 
        for(ntags = 0; tags[ntags]; ntags++);
        seltag = emallocz(sizeof(Bool) * ntags);
-       seltag[DEFTAG] = True;
+       seltag[0] = True;
 
        /* style */
        dc.bg = getcolor(BGCOLOR);
@@ -268,18 +257,17 @@ main(int argc, char *argv[])
 
        /* main event loop, also reads status text from stdin */
        XSync(dpy, False);
-       goto XLoop;
+       procevent();
+       readin = True;
        while(running) {
                FD_ZERO(&rd);
                if(readin)
                        FD_SET(STDIN_FILENO, &rd);
                FD_SET(xfd, &rd);
                i = select(xfd + 1, &rd, NULL, NULL, NULL);
-               if(i == -1 && errno == EINTR)
+               if((i == -1) && (errno == EINTR))
                        continue;
-               if(i < 0)
-                       eprint("select failed\n");
-               else if(i > 0) {
+               if(i > 0) {
                        if(readin && FD_ISSET(STDIN_FILENO, &rd)) {
                                readin = NULL != fgets(stext, sizeof(stext), stdin);
                                if(readin)
@@ -288,15 +276,10 @@ main(int argc, char *argv[])
                                        strcpy(stext, "broken pipe");
                                drawstatus();
                        }
-                       if(FD_ISSET(xfd, &rd)) {
-XLoop:
-                               while(XPending(dpy)) {
-                                       XNextEvent(dpy, &ev);
-                                       if(handler[ev.type])
-                                               (handler[ev.type])(&ev); /* call handler */
-                               }
-                       }
                }
+               else if(i < 0)
+                       eprint("select failed\n");
+               procevent();
        }
        cleanup();
        XCloseDisplay(dpy);