X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/4970ef938eca10d9af3ef058d15d2ffeb6dfbe18..8b4bc8270a975a14c1fb7db0a94d83f4ba4d2734:/main.c

diff --git a/main.c b/main.c
index db36536..6da3ccd 100644
--- a/main.c
+++ b/main.c
@@ -4,30 +4,40 @@
  */
 
 #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/keysym.h>
 #include <X11/Xatom.h>
 #include <X11/Xproto.h>
 
-
 /* 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.
@@ -84,10 +76,9 @@ xerrorstart(Display *dsply, XErrorEvent *ee)
 /* extern */
 
 char stext[1024];
-/* CUSTOMIZE */
-int tsel = Tdev; /* default tag */
-/* END CUSTOMIZE */
+Bool *seltag;
 int screen, sx, sy, sw, sh, bx, by, bw, bh, mw;
+unsigned int ntags, numlockmask;
 Atom wmatom[WMLast], netatom[NetLast];
 Bool running = True;
 Bool issel = True;
@@ -101,20 +92,19 @@ Window root, barwin;
 int
 getproto(Window w)
 {
-	int protos = 0;
-	int i;
-	long res;
-	unsigned char *protocols;
-
-	res = win_property(w, wmatom[WMProtocols], XA_ATOM, 20L, &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 |= WM_PROTOCOL_DELWIN;
-	}
-	free((char *) protocols);
+			protos |= PROTODELWIN;
+	free(protocols);
 	return protos;
 }
 
@@ -136,7 +126,7 @@ sendevent(Window w, Atom a, long value)
 void
 quit(Arg *arg)
 {
-	running = False;
+	readin = running = False;
 }
 
 /*
@@ -163,12 +153,11 @@ xerror(Display *dpy, XErrorEvent *ee)
 int
 main(int argc, char *argv[])
 {
-	int i, n;
+	int i, j, xfd;
 	unsigned int mask;
 	fd_set rd;
-	Bool readin = True;
 	Window w;
-	XEvent ev;
+	XModifierKeymap *modmap;
 	XSetWindowAttributes wa;
 
 	if(argc == 2 && !strncmp("-v", argv[1], 3)) {
@@ -180,23 +169,25 @@ main(int argc, char *argv[])
 
 	dpy = XOpenDisplay(0);
 	if(!dpy)
-		eprint("dwm: cannot connect X server\n");
+		eprint("dwm: cannot open display\n");
 
+	xfd = ConnectionNumber(dpy);
 	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);
 
 	if(otherwm)
 		eprint("dwm: another window manager is already running\n");
 
+	XSync(dpy, False);
 	XSetErrorHandler(NULL);
 	xerrorxlib = XSetErrorHandler(xerror);
+	XSync(dpy, False);
 
 	/* init atoms */
 	wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
@@ -211,7 +202,25 @@ main(int argc, char *argv[])
 	cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
 	cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
 
+	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);
+		}
+	}
+	XFree(modmap);
+
+	wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask | EnterWindowMask | LeaveWindowMask;
+	wa.cursor = cursor[CurNormal];
+	XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
+
 	grabkeys();
+	initrregs();
+
+	for(ntags = 0; tags[ntags]; ntags++);
+	seltag = emallocz(sizeof(Bool) * ntags);
+	seltag[0] = True;
 
 	/* style */
 	dc.bg = getcolor(BGCOLOR);
@@ -224,13 +233,12 @@ main(int argc, char *argv[])
 	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;
+	wa.override_redirect = 1;
+	wa.background_pixmap = ParentRelative;
+	wa.event_mask = ButtonPressMask | ExposureMask;
 	barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen),
 			CopyFromParent, DefaultVisual(dpy, screen),
 			CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
@@ -239,37 +247,27 @@ 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);
 
-	wa.event_mask = SubstructureRedirectMask | EnterWindowMask | LeaveWindowMask;
-	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 */
+	/* main event loop, also reads status text from stdin */
+	XSync(dpy, False);
+	procevent();
+	readin = True;
 	while(running) {
 		FD_ZERO(&rd);
 		if(readin)
 			FD_SET(STDIN_FILENO, &rd);
-		FD_SET(ConnectionNumber(dpy), &rd);
-
-		i = select(ConnectionNumber(dpy) + 1, &rd, 0, 0, 0);
-		if(i == -1 && errno == EINTR)
+		FD_SET(xfd, &rd);
+		i = select(xfd + 1, &rd, NULL, NULL, NULL);
+		if((i == -1) && (errno == EINTR))
 			continue;
-		if(i < 0)
-			eprint("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(i > 0) {
 			if(readin && FD_ISSET(STDIN_FILENO, &rd)) {
 				readin = NULL != fgets(stext, sizeof(stext), stdin);
 				if(readin)
@@ -279,8 +277,10 @@ main(int argc, char *argv[])
 				drawstatus();
 			}
 		}
+		else if(i < 0)
+			eprint("select failed\n");
+		procevent();
 	}
-
 	cleanup();
 	XCloseDisplay(dpy);