implement multi-tag selection through button3 click on the specific tag

[dwm.git] / main.c

diff --git a/main.c b/main.c
index d18cd0c..fec7ea8 100644 (file)
--- a/main.c
+++ b/main.c
@@ -4,17 +4,16 @@
  */
 
 #include "dwm.h"
-
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <sys/select.h>
 #include <X11/cursorfont.h>
 #include <X11/Xatom.h>
 #include <X11/Xproto.h>
 
-
 /* static */
 
 static int (*xerrorxlib)(Display *, XErrorEvent *);
@@ -84,8 +83,9 @@ xerrorstart(Display *dsply, XErrorEvent *ee)
 /* extern */
 
 char stext[1024];
-int tsel = Tdev; /* default tag */
+Bool *tsel;
 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;
@@ -102,15 +102,16 @@ getproto(Window w)
        int protos = 0;
        int i;
        long res;
-       unsigned char *protocols;
+       Atom *protocols;
 
-       res = win_property(w, wmatom[WMProtocols], XA_ATOM, 20L, &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 |= WM_PROTOCOL_DELWIN;
+                       protos |= PROTODELWIN;
        }
        free((char *) protocols);
        return protos;
@@ -161,37 +162,31 @@ xerror(Display *dpy, XErrorEvent *ee)
 int
 main(int argc, char *argv[])
 {
-       int i, n;
+       int i;
        unsigned int mask;
        fd_set rd;
-       Bool readstdin = True;
+       Bool readin = True;
        Window w;
        XEvent ev;
        XSetWindowAttributes wa;
 
-       for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) {
-               switch (argv[i][1]) {
-               default:
-                       eprint("usage: dwm [-v]\n");
-                       break;
-               case 'v':
-                       fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
-                       exit(EXIT_SUCCESS);
-                       break;
-               }
+       if(argc == 2 && !strncmp("-v", argv[1], 3)) {
+               fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
+               exit(EXIT_SUCCESS);
        }
+       else if(argc != 1)
+               eprint("usage: dwm [-v]\n");
 
        dpy = XOpenDisplay(0);
        if(!dpy)
-               eprint("dwm: cannot connect X server\n");
+               eprint("dwm: cannot open display\n");
 
        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);
 
@@ -215,6 +210,11 @@ main(int argc, char *argv[])
        cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
 
        grabkeys();
+       initrregs();
+
+       for(ntags = 0; tags[ntags]; ntags++);
+       tsel = emallocz(sizeof(Bool) * ntags);
+       tsel[DEFTAG] = True;
 
        /* style */
        dc.bg = getcolor(BGCOLOR);
@@ -242,6 +242,8 @@ main(int argc, char *argv[])
 
        dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
        dc.gc = XCreateGC(dpy, root, 0, 0);
+
+       strcpy(stext, "dwm-"VERSION);
        drawstatus();
 
        issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
@@ -250,14 +252,13 @@ main(int argc, char *argv[])
        wa.cursor = cursor[CurNormal];
        XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
 
-       strcpy(stext, "dwm-"VERSION);
        scan();
 
-       /* main event loop, reads status text from stdin as well */
-Mainloop:
+       /* main event loop, also reads status text from stdin */
+       XSync(dpy, False);
        while(running) {
                FD_ZERO(&rd);
-               if(readstdin)
+               if(readin)
                        FD_SET(STDIN_FILENO, &rd);
                FD_SET(ConnectionNumber(dpy), &rd);
 
@@ -274,20 +275,12 @@ Mainloop:
                                                (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;
+                       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();
                        }
                }