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.
314 lines
6.8 KiB
314 lines
6.8 KiB
/*
|
|
* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
|
|
* See LICENSE file for license details.
|
|
*/
|
|
|
|
#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>
|
|
|
|
Display *dpy;
|
|
Window root, barwin;
|
|
Atom wmatom[WMLast], netatom[NetLast];
|
|
Cursor cursor[CurLast];
|
|
Bool running = True;
|
|
Bool issel = True;
|
|
|
|
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 otherwm;
|
|
static int (*xerrorxlib)(Display *, XErrorEvent *);
|
|
|
|
/* static functions */
|
|
|
|
static void
|
|
cleanup()
|
|
{
|
|
while(sel) {
|
|
resize(sel, True);
|
|
unmanage(sel);
|
|
}
|
|
XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
|
|
}
|
|
|
|
static void
|
|
scan()
|
|
{
|
|
unsigned int i, num;
|
|
Window *wins;
|
|
XWindowAttributes wa;
|
|
Window d1, d2;
|
|
|
|
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 int
|
|
win_property(Window w, Atom a, Atom t, long l, unsigned char **prop)
|
|
{
|
|
Atom real;
|
|
int format;
|
|
unsigned long res, extra;
|
|
int status;
|
|
|
|
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.
|
|
*/
|
|
static int
|
|
xerrorstart(Display *dsply, XErrorEvent *ee)
|
|
{
|
|
otherwm = True;
|
|
return -1;
|
|
}
|
|
|
|
/* extern functions */
|
|
|
|
int
|
|
getproto(Window w)
|
|
{
|
|
unsigned char *protocols;
|
|
long res;
|
|
int protos = 0;
|
|
int i;
|
|
|
|
res = win_property(w, wmatom[WMProtocols], XA_ATOM, 20L, &protocols);
|
|
if(res <= 0) {
|
|
return protos;
|
|
}
|
|
for(i = 0; i < res; i++) {
|
|
if(protocols[i] == wmatom[WMDelete])
|
|
protos |= WM_PROTOCOL_DELWIN;
|
|
}
|
|
free((char *) 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);
|
|
XFlush(dpy);
|
|
}
|
|
|
|
void
|
|
quit(Arg *arg)
|
|
{
|
|
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 Xlib's default error handler, which
|
|
* calls 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))
|
|
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, n;
|
|
fd_set rd;
|
|
XSetWindowAttributes wa;
|
|
unsigned int mask;
|
|
Bool readstdin = True;
|
|
Window w;
|
|
XEvent ev;
|
|
|
|
for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) {
|
|
switch (argv[i][1]) {
|
|
case 'v':
|
|
fprintf(stdout, "%s",
|
|
"dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n");
|
|
exit(0);
|
|
break;
|
|
default:
|
|
eprint("usage: dwm [-v]\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
dpy = XOpenDisplay(0);
|
|
if(!dpy)
|
|
eprint("dwm: cannot connect X server\n");
|
|
|
|
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 */
|
|
XSelectInput(dpy, root, SubstructureRedirectMask);
|
|
XFlush(dpy);
|
|
|
|
if(otherwm)
|
|
eprint("dwm: another window manager is already running\n");
|
|
|
|
XSetErrorHandler(0);
|
|
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);
|
|
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 */
|
|
Mainloop:
|
|
while(running) {
|
|
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();
|
|
XCloseDisplay(dpy);
|
|
|
|
return 0;
|
|
}
|