* See LICENSE file for license details.
*/
-#include <stdarg.h>
+#include "dwm.h"
+
+#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-
+#include <unistd.h>
#include <X11/cursorfont.h>
#include <X11/Xatom.h>
#include <X11/Xproto.h>
-#include "dwm.h"
-
-/********** CUSTOMIZE **********/
-
-char *tags[TLast] = {
- [Tscratch] = "scratch",
- [Tdev] = "dev",
- [Tirc] = "irc",
- [Twww] = "www",
- [Twork] = "work",
-};
-/********** CUSTOMIZE **********/
+/* static */
-/* X structs */
-Display *dpy;
-Window root, barwin;
-Atom wm_atom[WMLast], net_atom[NetLast];
-Cursor cursor[CurLast];
-Bool running = True;
-Bool issel;
-
-int tsel = Tdev; /* default tag */
-int screen, sx, sy, sw, sh, bx, by, bw, bh, mw;
-char stext[1024];
-
-DC dc = {0};
-Client *clients = NULL;
-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 Bool otherwm;
+static int (*xerrorxlib)(Display *, XErrorEvent *);
static void
-usage() { error("usage: dwm [-v]\n"); }
+cleanup()
+{
+ while(sel) {
+ resize(sel, True, TopLeft);
+ unmanage(sel);
+ }
+ XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
+}
static void
-scan_wins()
+scan()
{
unsigned int i, num;
Window *wins;
return res;
}
+/*
+ * Startup Error handler to check if another window manager
+ * is already running.
+ */
+static int
+xerrorstart(Display *dsply, XErrorEvent *ee)
+{
+ otherwm = True;
+ return -1;
+}
+
+/* extern */
+
+char stext[1024];
+int tsel = Tdev; /* default tag */
+int screen, sx, sy, sw, sh, bx, by, bw, bh, mw;
+Atom wmatom[WMLast], netatom[NetLast];
+Bool running = True;
+Bool issel = True;
+Client *clients = NULL;
+Client *sel = NULL;
+Cursor cursor[CurLast];
+Display *dpy;
+DC dc = {0};
+Window root, barwin;
+
int
-win_proto(Window w)
+getproto(Window w)
{
unsigned char *protocols;
long res;
int protos = 0;
int i;
- res = win_property(w, wm_atom[WMProtocols], XA_ATOM, 20L, &protocols);
+ res = win_property(w, wmatom[WMProtocols], XA_ATOM, 20L, &protocols);
if(res <= 0) {
return protos;
}
for(i = 0; i < res; i++) {
- if(protocols[i] == wm_atom[WMDelete])
+ if(protocols[i] == wmatom[WMDelete])
protos |= WM_PROTOCOL_DELWIN;
}
free((char *) protocols);
}
void
-send_message(Window w, Atom a, long value)
+sendevent(Window w, Atom a, long value)
{
XEvent e;
e.xclient.data.l[0] = value;
e.xclient.data.l[1] = CurrentTime;
XSendEvent(dpy, w, False, NoEventMask, &e);
- XFlush(dpy);
+ XSync(dpy, False);
}
-/*
- * There's no way to check accesses to destroyed windows, thus
- * those cases are ignored (especially on UnmapNotify's).
- * Other types of errors call Xlib's default error handler, which
- * calls exit().
- */
-int
-error_handler(Display *dpy, XErrorEvent *error)
+void
+quit(Arg *arg)
{
- if(error->error_code == BadWindow
- || (error->request_code == X_SetInputFocus
- && error->error_code == BadMatch)
- || (error->request_code == X_PolyText8
- && error->error_code == BadDrawable)
- || (error->request_code == X_PolyFillRectangle
- && error->error_code == BadDrawable)
- || (error->request_code == X_PolySegment
- && error->error_code == BadDrawable)
- || (error->request_code == X_ConfigureWindow
- && error->error_code == BadMatch)
- || (error->request_code == X_GrabKey
- && error->error_code == BadAccess))
- 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() */
+ running = False;
}
/*
- * Startup Error handler to check if another window manager
- * is already running.
+ * There's no way to check accesses to destroyed windows, thus those cases are
+ * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
+ * default error handler, which calls exit().
*/
-static int
-startup_error_handler(Display *dpy, XErrorEvent *error)
-{
- other_wm_running = True;
- return -1;
-}
-
-static void
-cleanup()
-{
- while(sel) {
- resize(sel, True);
- unmanage(sel);
- }
- XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
-}
-
-void
-quit(Arg *arg)
+int
+xerror(Display *dpy, XErrorEvent *ee)
{
- running = False;
+ if(ee->error_code == BadWindow
+ || (ee->request_code == X_SetInputFocus
+ && ee->error_code == BadMatch)
+ || (ee->request_code == X_PolyText8
+ && ee->error_code == BadDrawable)
+ || (ee->request_code == X_PolyFillRectangle
+ && ee->error_code == BadDrawable)
+ || (ee->request_code == X_PolySegment
+ && ee->error_code == BadDrawable)
+ || (ee->request_code == X_ConfigureWindow
+ && ee->error_code == BadMatch)
+ || (ee->request_code == X_GrabKey
+ && ee->error_code == BadAccess))
+ return 0;
+ fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
+ ee->request_code, ee->error_code);
+ return xerrorxlib(dpy, ee); /* may call exit() */
}
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':
- fprintf(stdout, "%s", version);
- exit(0);
- break;
default:
- usage();
+ eprint("usage: dwm [-v]\n");
+ break;
+ case 'v':
+ fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
+ exit(EXIT_SUCCESS);
break;
}
}
dpy = XOpenDisplay(0);
if(!dpy)
- error("dwm: cannot connect X server\n");
+ eprint("dwm: cannot connect X server\n");
screen = DefaultScreen(dpy);
root = RootWindow(dpy, screen);
/* check if another WM is already running */
- other_wm_running = False;
- XSetErrorHandler(startup_error_handler);
+ otherwm = False;
+ XSetErrorHandler(xerrorstart);
/* this causes an error if some other WM is running */
XSelectInput(dpy, root, SubstructureRedirectMask);
- XFlush(dpy);
+ XSync(dpy, False);
- if(other_wm_running)
- error("dwm: another window manager is already running\n");
+ if(otherwm)
+ eprint("dwm: another window manager is already running\n");
- XSetErrorHandler(0);
- x_error_handler = XSetErrorHandler(error_handler);
+ XSetErrorHandler(NULL);
+ xerrorxlib = XSetErrorHandler(xerror);
/* init atoms */
- wm_atom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
- 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);
+ wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
+ wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
+ netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
+ netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
+ XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
+ PropModeReplace, (unsigned char *) netatom, NetLast);
/* init cursors */
cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
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);
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 \
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();
+ scan();
+
+ /* 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)
+ 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(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();
Got questions, comments, patches, etc.? Contact Jason Woofenden