-/*
- * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
+/* (C)opyright MMVII Anselm R. Garbe <garbeam at gmail dot com>
* See LICENSE file for license details.
*/
#include "dwm.h"
-
#include <errno.h>
+#include <locale.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>
+/* extern */
+
+char stext[1024];
+Bool *seltag;
+int bx, by, bw, bh, bmw, masterd, screen, sx, sy, sw, sh, wax, way, waw, wah;
+unsigned int master, ntags, numlockmask;
+Atom wmatom[WMLast], netatom[NetLast];
+Bool running = True;
+Bool issel = True;
+Client *clients = NULL;
+Client *sel = NULL;
+Client *stack = NULL;
+Cursor cursor[CurLast];
+Display *dpy;
+DC dc = {0};
+Window root, barwin;
/* static */
static int (*xerrorxlib)(Display *, XErrorEvent *);
-static Bool otherwm;
+static Bool otherwm, readin;
static void
-cleanup()
-{
- while(sel) {
- resize(sel, True, TopLeft);
- unmanage(sel);
+cleanup(void) {
+ close(STDIN_FILENO);
+ while(clients) {
+ resize(clients, True, TopLeft);
+ unmanage(clients);
}
+ 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);
+ XFreeCursor(dpy, cursor[CurNormal]);
+ XFreeCursor(dpy, cursor[CurResize]);
+ XFreeCursor(dpy, cursor[CurMove]);
XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
+ XSync(dpy, False);
+ free(seltag);
}
static void
-scan()
-{
+scan(void) {
unsigned int i, num;
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))
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);
+static void
+setup(void) {
+ int i, j;
+ unsigned int mask;
+ Window w;
+ XModifierKeymap *modmap;
+ XSetWindowAttributes wa;
- if(status != Success || *prop == 0) {
- return 0;
- }
- if(res == 0) {
- free((void *) *prop);
+ /* init atoms */
+ 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);
+ /* init modifier map */
+ 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);
+ }
}
- return res;
+ XFreeModifiermap(modmap);
+ /* select for events */
+ 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.norm[ColBG] = getcolor(NORMBGCOLOR);
+ dc.norm[ColFG] = getcolor(NORMFGCOLOR);
+ dc.sel[ColBG] = getcolor(SELBGCOLOR);
+ dc.sel[ColFG] = getcolor(SELFGCOLOR);
+ dc.status[ColBG] = getcolor(STATUSBGCOLOR);
+ dc.status[ColFG] = getcolor(STATUSFGCOLOR);
+ setfont(FONT);
+ /* geometry */
+ bmw = textw(TILESYMBOL) > textw(FLOATSYMBOL) ? textw(TILESYMBOL) : textw(FLOATSYMBOL);
+ sx = sy = 0;
+ sw = DisplayWidth(dpy, screen);
+ sh = DisplayHeight(dpy, screen);
+ master = MASTER;
+ /* bar */
+ bx = sx;
+ by = sy;
+ bw = sw;
+ dc.h = bh = dc.font.height + 2;
+ 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);
+ XDefineCursor(dpy, barwin, cursor[CurNormal]);
+ XMapRaised(dpy, barwin);
+ strcpy(stext, "dwm-"VERSION);
+ /* windowarea */
+ wax = sx;
+ way = sy + bh;
+ wah = sh - bh;
+ waw = sw;
+ /* pixmap for everything */
+ dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
+ dc.gc = XCreateGC(dpy, root, 0, 0);
+ XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
+ /* multihead support */
+ issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
}
/*
* is already running.
*/
static int
-xerrorstart(Display *dsply, XErrorEvent *ee)
-{
+xerrorstart(Display *dsply, XErrorEvent *ee) {
otherwm = True;
return -1;
}
/* extern */
-char stext[1024];
-/* CUSTOMIZE */
-int tsel = Tdev; /* default tag */
-/* END CUSTOMIZE */
-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
-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) {
+getproto(Window w) {
+ 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;
}
void
-sendevent(Window w, Atom a, long value)
-{
+sendevent(Window w, Atom a, long value) {
XEvent e;
e.type = ClientMessage;
}
void
-quit(Arg *arg)
-{
- running = False;
+quit(Arg *arg) {
+ readin = running = False;
}
-/*
- * There's no way to check accesses to destroyed windows, thus those cases are
+/* 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().
+ * default error handler, which may call exit.
*/
int
-xerror(Display *dpy, XErrorEvent *ee)
-{
+xerror(Display *dpy, XErrorEvent *ee) {
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))
+ || (ee->request_code == X_GrabKey && ee->error_code == BadAccess)
+ || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
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() */
+ return xerrorxlib(dpy, ee); /* may call exit */
}
int
-main(int argc, char *argv[])
-{
- int i, n;
- unsigned int mask;
+main(int argc, char *argv[]) {
+ char *p;
+ int r, xfd;
fd_set rd;
- Bool readin = True;
- Window w;
- XEvent ev;
- XSetWindowAttributes wa;
if(argc == 2 && !strncmp("-v", argv[1], 3)) {
- fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
+ fputs("dwm-"VERSION", (C)opyright MMVII Anselm R. Garbe\n", stdout);
exit(EXIT_SUCCESS);
}
else if(argc != 1)
eprint("usage: dwm [-v]\n");
-
+ setlocale(LC_CTYPE, "");
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);
-
- /* init atoms */
- 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);
-
- grabkeys();
-
- /* style */
- dc.bg = getcolor(BGCOLOR);
- dc.fg = getcolor(FGCOLOR);
- dc.border = getcolor(BORDERCOLOR);
- setfont(FONT);
-
- 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, bh, DefaultDepth(dpy, screen));
- dc.gc = XCreateGC(dpy, root, 0, 0);
+ XSync(dpy, False);
+ setup();
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)
- continue;
- if(i < 0)
+ FD_SET(xfd, &rd);
+ if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) {
+ if(errno == EINTR)
+ continue;
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(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();
+ }
+ if(FD_ISSET(STDIN_FILENO, &rd)) {
+ switch(r = read(STDIN_FILENO, stext, sizeof stext - 1)) {
+ case -1:
+ strncpy(stext, strerror(errno), sizeof stext - 1);
+ stext[sizeof stext - 1] = '\0';
+ readin = False;
+ break;
+ case 0:
+ strncpy(stext, "EOF", 4);
+ readin = False;
+ break;
+ default:
+ for(stext[r] = '\0', p = stext + strlen(stext) - 1; p >= stext && *p == '\n'; *p-- = '\0');
+ for(p = stext + strlen(stext) - 1; p >= stext && *p != '\n'; --p);
+ if(p > stext)
+ strncpy(stext, p + 1, sizeof stext);
}
+ drawstatus();
}
+ if(FD_ISSET(xfd, &rd))
+ procevent();
}
-
cleanup();
XCloseDisplay(dpy);
-
return 0;
}
Got questions, comments, patches, etc.? Contact Jason Woofenden