sanitized names

[dwm.git] / main.c

diff --git a/main.c b/main.c
index 3d3e896..a1cf245 100644 (file)
--- a/main.c
+++ b/main.c
@@ -3,10 +3,12 @@
  * See LICENSE file for license details.
  */
 
+#include <errno.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #include <X11/cursorfont.h>
 #include <X11/Xatom.h>
@@ -19,7 +21,6 @@
 char *tags[TLast] = {
        [Tscratch] = "scratch",
        [Tdev] = "dev",
-       [Tirc] = "irc",
        [Twww] = "www",
        [Twork] = "work",
 };
@@ -45,7 +46,7 @@ Client *sel = NULL;
 static Bool other_wm_running;
 static const char version[] =
        "dwm-" VERSION ", (C)opyright MMVI Anselm R. Garbe\n";
-static int (*x_error_handler) (Display *, XErrorEvent *);
+static int (*x_xerror) (Display *, XErrorEvent *);
 
 static void
 usage() {      error("usage: dwm [-v]\n"); }
@@ -93,7 +94,7 @@ win_property(Window w, Atom a, Atom t, long l, unsigned char **prop)
 }
 
 int
-win_proto(Window w)
+proto(Window w)
 {
        unsigned char *protocols;
        long res;
@@ -113,7 +114,7 @@ win_proto(Window w)
 }
 
 void
-send_message(Window w, Atom a, long value)
+sendevent(Window w, Atom a, long value)
 {
        XEvent e;
 
@@ -134,7 +135,7 @@ send_message(Window w, Atom a, long value)
  * calls exit().
  */
 int
-error_handler(Display *dpy, XErrorEvent *error)
+xerror(Display *dpy, XErrorEvent *error)
 {
        if(error->error_code == BadWindow
                        || (error->request_code == X_SetInputFocus
@@ -152,7 +153,7 @@ error_handler(Display *dpy, XErrorEvent *error)
                return 0;
        fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
                        error->request_code, error->error_code);
-       return x_error_handler(dpy, error); /* may call exit() */
+       return x_xerror(dpy, error); /* may call exit() */
 }
 
 /*
@@ -160,7 +161,7 @@ error_handler(Display *dpy, XErrorEvent *error)
  * is already running.
  */
 static int
-startup_error_handler(Display *dpy, XErrorEvent *error)
+startup_xerror(Display *dpy, XErrorEvent *error)
 {
        other_wm_running = True;
        return -1;
@@ -185,13 +186,14 @@ quit(Arg *arg)
 int
 main(int argc, char *argv[])
 {
-       int i;
+       int i, n;
+       fd_set rd;
        XSetWindowAttributes wa;
        unsigned int mask;
+       Bool readstdin = True;
        Window w;
        XEvent ev;
 
-       /* command line args */
        for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) {
                switch (argv[i][1]) {
                case 'v':
@@ -213,7 +215,7 @@ main(int argc, char *argv[])
 
        /* check if another WM is already running */
        other_wm_running = False;
-       XSetErrorHandler(startup_error_handler);
+       XSetErrorHandler(startup_xerror);
        /* this causes an error if some other WM is running */
        XSelectInput(dpy, root, SubstructureRedirectMask);
        XFlush(dpy);
@@ -222,7 +224,7 @@ main(int argc, char *argv[])
                error("dwm: another window manager is already running\n");
 
        XSetErrorHandler(0);
-       x_error_handler = XSetErrorHandler(error_handler);
+       x_xerror = XSetErrorHandler(xerror);
 
        /* init atoms */
        wm_atom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
@@ -237,13 +239,13 @@ main(int argc, char *argv[])
        cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
        cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
 
-       update_keys();
+       grabkeys();
 
        /* style */
-       dc.bg = initcolor(BGCOLOR);
-       dc.fg = initcolor(FGCOLOR);
-       dc.border = initcolor(BORDERCOLOR);
-       initfont(FONT);
+       dc.bg = getcolor(BGCOLOR);
+       dc.fg = getcolor(FGCOLOR);
+       dc.border = getcolor(BORDERCOLOR);
+       setfont(FONT);
 
        sx = sy = 0;
        sw = DisplayWidth(dpy, screen);
@@ -263,6 +265,10 @@ main(int argc, char *argv[])
        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 \
@@ -271,17 +277,47 @@ main(int argc, char *argv[])
 
        XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
 
-       dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
-       dc.gc = XCreateGC(dpy, root, 0, 0);
-
        strcpy(stext, "dwm-"VERSION);
        scan_wins();
-       draw_bar();
 
+       /* main event loop, reads status text from stdin as well */
+Mainloop:
        while(running) {
-               XNextEvent(dpy, &ev);
-               if(handler[ev.type])
-                       (handler[ev.type])(&ev); /* call handler */
+               FD_ZERO(&rd);
+               if(readstdin)
+                       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)
+                       error("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();
+                       }
+               }
        }
 
        cleanup();