mirror of https://github.com/E-Almqvist/ewm
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
308 lines
8.2 KiB
308 lines
8.2 KiB
/* (C)opyright MMVI-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[256];
|
|
Bool *seltag;
|
|
int bx, by, bw, bh, bmw, masterd, screen, sx, sy, sw, sh, wax, way, waw, wah;
|
|
unsigned int master, nmaster, 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, readin;
|
|
|
|
static void
|
|
cleanup(void) {
|
|
close(STDIN_FILENO);
|
|
while(stack) {
|
|
resize(stack, True, TopLeft);
|
|
unmanage(stack);
|
|
}
|
|
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(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))
|
|
continue;
|
|
if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
|
|
continue;
|
|
if(wa.map_state == IsViewable)
|
|
manage(wins[i], &wa);
|
|
}
|
|
}
|
|
if(wins)
|
|
XFree(wins);
|
|
}
|
|
|
|
static void
|
|
setup(void) {
|
|
int i, j;
|
|
unsigned int mask;
|
|
Window w;
|
|
XModifierKeymap *modmap;
|
|
XSetWindowAttributes wa;
|
|
|
|
/* 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 */
|
|
numlockmask = 0;
|
|
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);
|
|
}
|
|
}
|
|
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 */
|
|
sx = sy = 0;
|
|
sw = DisplayWidth(dpy, screen);
|
|
sh = DisplayHeight(dpy, screen);
|
|
master = MASTER;
|
|
nmaster = NMASTER;
|
|
bmw = textw(TILESYMBOL) > textw(FLOATSYMBOL) ? textw(TILESYMBOL) : textw(FLOATSYMBOL);
|
|
/* 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);
|
|
}
|
|
|
|
/*
|
|
* Startup Error handler to check if another window manager
|
|
* is already running.
|
|
*/
|
|
static int
|
|
xerrorstart(Display *dsply, XErrorEvent *ee) {
|
|
otherwm = True;
|
|
return -1;
|
|
}
|
|
|
|
/* extern */
|
|
|
|
int
|
|
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++)
|
|
if(protocols[i] == wmatom[WMDelete])
|
|
protos |= PROTODELWIN;
|
|
free(protocols);
|
|
return protos;
|
|
}
|
|
|
|
void
|
|
sendevent(Window w, Atom a, long value) {
|
|
XEvent e;
|
|
|
|
e.type = ClientMessage;
|
|
e.xclient.window = w;
|
|
e.xclient.message_type = a;
|
|
e.xclient.format = 32;
|
|
e.xclient.data.l[0] = value;
|
|
e.xclient.data.l[1] = CurrentTime;
|
|
XSendEvent(dpy, w, False, NoEventMask, &e);
|
|
XSync(dpy, False);
|
|
}
|
|
|
|
void
|
|
quit(Arg *arg) {
|
|
readin = running = 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 Xlibs
|
|
* default error handler, which may call exit.
|
|
*/
|
|
int
|
|
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_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 */
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[]) {
|
|
char *p;
|
|
int r, xfd;
|
|
fd_set rd;
|
|
|
|
if(argc == 2 && !strncmp("-v", argv[1], 3)) {
|
|
fputs("dwm-"VERSION", (C)opyright MMVI-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 open display\n");
|
|
xfd = ConnectionNumber(dpy);
|
|
screen = DefaultScreen(dpy);
|
|
root = RootWindow(dpy, screen);
|
|
otherwm = False;
|
|
XSetErrorHandler(xerrorstart);
|
|
/* 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);
|
|
setup();
|
|
drawstatus();
|
|
scan();
|
|
|
|
/* 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(xfd, &rd);
|
|
if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) {
|
|
if(errno == EINTR)
|
|
continue;
|
|
eprint("select failed\n");
|
|
}
|
|
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;
|
|
}
|
|
|