X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=main.c;h=b59ff963f50f650dcb4163276d96bea485812867;hb=82384e385ee19fc553148f7aa73fafdcbe40461b;hp=7b150f6edd203d425646115a8a94f7e17f3e31aa;hpb=7fe717c29f9dafc4fc38313adbbb7c85619dec69;p=dwm.git

diff --git a/main.c b/main.c
index 7b150f6..b59ff96 100644
--- a/main.c
+++ b/main.c
@@ -3,9 +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>
@@ -18,7 +21,6 @@
 char *tags[TLast] = {
 	[Tscratch] = "scratch",
 	[Tdev] = "dev",
-	[Tirc] = "irc",
 	[Twww] = "www",
 	[Twork] = "work",
 };
@@ -34,7 +36,8 @@ Bool running = True;
 Bool issel;
 
 int tsel = Tdev; /* default tag */
-int screen, sx, sy, sw, sh, mw, th;
+int screen, sx, sy, sw, sh, bx, by, bw, bh, mw;
+char stext[1024];
 
 DC dc = {0};
 Client *clients = NULL;
@@ -42,7 +45,7 @@ Client *sel = NULL;
 
 static Bool other_wm_running;
 static const char version[] =
-	"dwm - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n";
+	"dwm-" VERSION ", (C)opyright MMVI Anselm R. Garbe\n";
 static int (*x_error_handler) (Display *, XErrorEvent *);
 
 static void
@@ -183,13 +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':
@@ -219,12 +223,6 @@ main(int argc, char *argv[])
 	if(other_wm_running)
 		error("dwm: another window manager is already running\n");
 
-	sx = sy = 0;
-	sw = DisplayWidth(dpy, screen);
-	sh = DisplayHeight(dpy, screen);
-	mw = (sw * MASTERW) / 100;
-	issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
-
 	XSetErrorHandler(0);
 	x_error_handler = XSetErrorHandler(error_handler);
 
@@ -233,11 +231,9 @@ main(int argc, char *argv[])
 	wm_atom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
 	net_atom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
 	net_atom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
-
 	XChangeProperty(dpy, root, net_atom[NetSupported], XA_ATOM, 32,
 			PropModeReplace, (unsigned char *) net_atom, NetLast);
 
-
 	/* init cursors */
 	cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
 	cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
@@ -251,22 +247,77 @@ main(int argc, char *argv[])
 	dc.border = initcolor(BORDERCOLOR);
 	initfont(FONT);
 
-	th = dc.font.height + 4;
+	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, th, DefaultDepth(dpy, screen));
+	dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
 	dc.gc = XCreateGC(dpy, root, 0, 0);
+	draw_bar();
+
+	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);
 	scan_wins();
 
+	/* 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;
+				draw_bar();
+			}
+		}
 	}
 
 	cleanup();