379 lines
11 KiB
C
379 lines
11 KiB
C
/* See LICENSE file for copyright and license details. */
|
|
|
|
#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>
|
|
#include <X11/Xutil.h>
|
|
|
|
#include "jdwm.h"
|
|
#include "util.h"
|
|
#include "event.h"
|
|
#include "layout.h"
|
|
#include "tag.h"
|
|
|
|
/* extern */
|
|
extern void (*handler[LASTEvent]) (XEvent *, jdwm_config *); /* event handler */
|
|
|
|
int screen, sx, sy, sw, sh, wax, way, waw, wah;
|
|
int bh;
|
|
Atom jdwmprops, wmatom[WMLast], netatom[NetLast];
|
|
Bool *seltags, *prevtags;;
|
|
Bool selscreen = True;
|
|
Client *clients = NULL;
|
|
Client *sel = NULL;
|
|
Client *stack = NULL;
|
|
Cursor cursor[CurLast];
|
|
DC dc;
|
|
Window barwin;
|
|
Layout ** taglayouts;
|
|
|
|
/* static */
|
|
|
|
static int (*xerrorxlib) (Display *, XErrorEvent *);
|
|
static Bool otherwm = False, readin = True;
|
|
static Bool running = True;
|
|
|
|
|
|
Bool
|
|
gettextprop(Display *disp, Window w, Atom atom, char *text, unsigned int size)
|
|
{
|
|
char **list = NULL;
|
|
int n;
|
|
|
|
XTextProperty name;
|
|
|
|
if(!text || size == 0)
|
|
return False;
|
|
|
|
text[0] = '\0';
|
|
XGetTextProperty(disp, w, &name, atom);
|
|
|
|
if(!name.nitems)
|
|
return False;
|
|
|
|
if(name.encoding == XA_STRING)
|
|
strncpy(text, (char *) name.value, size - 1);
|
|
else if(XmbTextPropertyToTextList(disp, &name, &list, &n) >= Success && n > 0 && *list)
|
|
{
|
|
strncpy(text, *list, size - 1);
|
|
XFreeStringList(list);
|
|
}
|
|
|
|
text[size - 1] = '\0';
|
|
XFree(name.value);
|
|
|
|
return True;
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
cleanup(Display *disp, jdwm_config *jdwmconf)
|
|
{
|
|
close(STDIN_FILENO);
|
|
while(stack)
|
|
{
|
|
unban(stack);
|
|
unmanage(stack, &dc, NormalState, jdwmconf);
|
|
}
|
|
if(dc.font.set)
|
|
XFreeFontSet(disp, dc.font.set);
|
|
else
|
|
XFreeFont(disp, dc.font.xfont);
|
|
XUngrabKey(disp, AnyKey, AnyModifier, DefaultRootWindow(disp));
|
|
XFreePixmap(disp, dc.drawable);
|
|
XFreeGC(disp, dc.gc);
|
|
XDestroyWindow(disp, barwin);
|
|
XFreeCursor(disp, cursor[CurNormal]);
|
|
XFreeCursor(disp, cursor[CurResize]);
|
|
XFreeCursor(disp, cursor[CurMove]);
|
|
XSetInputFocus(disp, PointerRoot, RevertToPointerRoot, CurrentTime);
|
|
XSync(disp, False);
|
|
p_delete(&seltags);
|
|
p_delete(&prevtags);
|
|
p_delete(&taglayouts);
|
|
}
|
|
|
|
static long
|
|
getstate(Display *disp, Window w)
|
|
{
|
|
int format, status;
|
|
long result = -1;
|
|
unsigned char *p = NULL;
|
|
unsigned long n, extra;
|
|
Atom real;
|
|
status = XGetWindowProperty(disp, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState],
|
|
&real, &format, &n, &extra, (unsigned char **) &p);
|
|
if(status != Success)
|
|
return -1;
|
|
if(n != 0)
|
|
result = *p;
|
|
XFree(p);
|
|
return result;
|
|
}
|
|
|
|
static void
|
|
scan(Display *disp, jdwm_config *jdwmconf)
|
|
{
|
|
unsigned int i, num;
|
|
Window *wins, d1, d2;
|
|
XWindowAttributes wa;
|
|
|
|
wins = NULL;
|
|
if(XQueryTree(disp, DefaultRootWindow(disp), &d1, &d2, &wins, &num))
|
|
for(i = 0; i < num; i++)
|
|
{
|
|
if(!XGetWindowAttributes(disp, wins[i], &wa)
|
|
|| wa.override_redirect || XGetTransientForHint(disp, wins[i], &d1))
|
|
continue;
|
|
if(wa.map_state == IsViewable || getstate(disp, wins[i]) == IconicState)
|
|
manage(disp, &dc, wins[i], &wa, jdwmconf);
|
|
}
|
|
/* now the transients */
|
|
for(i = 0; i < num; i++)
|
|
{
|
|
if(!XGetWindowAttributes(disp, wins[i], &wa))
|
|
continue;
|
|
if(XGetTransientForHint(disp, wins[i], &d1)
|
|
&& (wa.map_state == IsViewable || getstate(disp, wins[i]) == IconicState))
|
|
manage(disp, &dc, wins[i], &wa, jdwmconf);
|
|
}
|
|
if(wins)
|
|
XFree(wins);
|
|
}
|
|
|
|
static void
|
|
setup(Display *disp, jdwm_config *jdwmconf)
|
|
{
|
|
int i;
|
|
unsigned int mask;
|
|
Window w;
|
|
XSetWindowAttributes wa;
|
|
|
|
/* init atoms */
|
|
jdwmprops = XInternAtom(disp, "_JDWM_PROPERTIES", False);
|
|
wmatom[WMProtocols] = XInternAtom(disp, "WM_PROTOCOLS", False);
|
|
wmatom[WMDelete] = XInternAtom(disp, "WM_DELETE_WINDOW", False);
|
|
wmatom[WMName] = XInternAtom(disp, "WM_NAME", False);
|
|
wmatom[WMState] = XInternAtom(disp, "WM_STATE", False);
|
|
netatom[NetSupported] = XInternAtom(disp, "_NET_SUPPORTED", False);
|
|
netatom[NetWMName] = XInternAtom(disp, "_NET_WM_NAME", False);
|
|
XChangeProperty(disp, DefaultRootWindow(disp), netatom[NetSupported], XA_ATOM, 32,
|
|
PropModeReplace, (unsigned char *) netatom, NetLast);
|
|
/* init cursors */
|
|
cursor[CurNormal] = XCreateFontCursor(disp, XC_left_ptr);
|
|
cursor[CurResize] = XCreateFontCursor(disp, XC_sizing);
|
|
cursor[CurMove] = XCreateFontCursor(disp, XC_fleur);
|
|
/* select for events */
|
|
wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
|
|
| EnterWindowMask | LeaveWindowMask | StructureNotifyMask;
|
|
wa.cursor = cursor[CurNormal];
|
|
XChangeWindowAttributes(disp, DefaultRootWindow(disp), CWEventMask | CWCursor, &wa);
|
|
XSelectInput(disp, DefaultRootWindow(disp), wa.event_mask);
|
|
grabkeys(disp, jdwmconf);
|
|
compileregs(jdwmconf);
|
|
seltags = p_new(Bool, jdwmconf->ntags);
|
|
seltags[0] = True;
|
|
prevtags = p_new(Bool, jdwmconf->ntags);
|
|
prevtags[0] = True;
|
|
/* geometry */
|
|
sx = sy = 0;
|
|
sw = DisplayWidth(disp, screen);
|
|
sh = DisplayHeight(disp, screen);
|
|
initlayouts(jdwmconf);
|
|
/* bar */
|
|
dc.h = bh = dc.font.height + 2;
|
|
wa.override_redirect = 1;
|
|
wa.background_pixmap = ParentRelative;
|
|
wa.event_mask = ButtonPressMask | ExposureMask;
|
|
barwin = XCreateWindow(disp, DefaultRootWindow(disp), sx, sy, sw, bh, 0,
|
|
DefaultDepth(disp, screen), CopyFromParent,
|
|
DefaultVisual(disp, screen),
|
|
CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
|
|
XDefineCursor(disp, barwin, cursor[CurNormal]);
|
|
updatebarpos(disp, jdwmconf->current_bpos);
|
|
XMapRaised(disp, barwin);
|
|
/* pixmap for everything */
|
|
dc.drawable = XCreatePixmap(disp, DefaultRootWindow(disp), sw, bh, DefaultDepth(disp, screen));
|
|
dc.gc = XCreateGC(disp, DefaultRootWindow(disp), 0, 0);
|
|
XSetLineAttributes(disp, dc.gc, 1, LineSolid, CapButt, JoinMiter);
|
|
if(!dc.font.set)
|
|
XSetFont(disp, dc.gc, dc.font.xfont->fid);
|
|
/* multihead support */
|
|
selscreen = XQueryPointer(disp, DefaultRootWindow(disp), &w, &w, &i, &i, &i, &i, &mask);
|
|
loadjdwmprops(disp, jdwmconf);
|
|
}
|
|
|
|
/*
|
|
* Startup Error handler to check if another window manager
|
|
* is already running.
|
|
*/
|
|
static int
|
|
xerrorstart(Display * dsply __attribute__ ((unused)), XErrorEvent * ee __attribute__ ((unused)))
|
|
{
|
|
otherwm = True;
|
|
return -1;
|
|
}
|
|
|
|
/* extern */
|
|
|
|
void
|
|
uicb_quit(Display *disp __attribute__ ((unused)),
|
|
jdwm_config *jdwmconf __attribute__((unused)),
|
|
const char *arg __attribute__ ((unused)))
|
|
{
|
|
readin = running = False;
|
|
}
|
|
|
|
void
|
|
updatebarpos(Display *disp, int bpos)
|
|
{
|
|
XEvent ev;
|
|
|
|
wax = sx;
|
|
way = sy;
|
|
wah = sh;
|
|
waw = sw;
|
|
switch (bpos)
|
|
{
|
|
default:
|
|
wah -= bh;
|
|
way += bh;
|
|
XMoveWindow(disp, barwin, sx, sy);
|
|
break;
|
|
case BarBot:
|
|
wah -= bh;
|
|
XMoveWindow(disp, barwin, sx, sy + wah);
|
|
break;
|
|
case BarOff:
|
|
XMoveWindow(disp, barwin, sx, sy - bh);
|
|
break;
|
|
}
|
|
XSync(disp, False);
|
|
while(XCheckMaskEvent(disp, EnterWindowMask, &ev));
|
|
}
|
|
|
|
/* 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 * edpy, 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, "jdwm: fatal error: request code=%d, error code=%d\n",
|
|
ee->request_code, ee->error_code);
|
|
|
|
return xerrorxlib(edpy, ee); /* may call exit */
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
char *p;
|
|
int r, xfd;
|
|
fd_set rd;
|
|
XEvent ev;
|
|
Display * dpy;
|
|
Window root;
|
|
jdwm_config jdwmconf;
|
|
|
|
if(argc == 2 && !strcmp("-v", argv[1]))
|
|
eprint("jdwm-" VERSION " © 2007 Julien Danjou\n");
|
|
else if(argc != 1)
|
|
eprint("usage: jdwm [-v]\n");
|
|
setlocale(LC_CTYPE, "");
|
|
|
|
|
|
if(!(dpy = XOpenDisplay(NULL)))
|
|
eprint("jdwm: cannot open display\n");
|
|
xfd = ConnectionNumber(dpy);
|
|
screen = DefaultScreen(dpy);
|
|
root = RootWindow(dpy, screen);
|
|
XSetErrorHandler(xerrorstart);
|
|
|
|
/* this causes an error if some other window manager is running */
|
|
XSelectInput(dpy, root, SubstructureRedirectMask);
|
|
XSync(dpy, False);
|
|
|
|
if(otherwm)
|
|
eprint("jdwm: another window manager is already running\n");
|
|
|
|
XSync(dpy, False);
|
|
XSetErrorHandler(NULL);
|
|
xerrorxlib = XSetErrorHandler(xerror);
|
|
XSync(dpy, False);
|
|
parse_config(dpy, screen, &dc, &jdwmconf);
|
|
setup(dpy, &jdwmconf);
|
|
drawstatus(dpy, &jdwmconf);
|
|
scan(dpy, &jdwmconf);
|
|
XSync(dpy, False);
|
|
|
|
/* main event loop, also reads status text from stdin */
|
|
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, jdwmconf.statustext, sizeof(jdwmconf.statustext) - 1))
|
|
{
|
|
case -1:
|
|
strncpy(jdwmconf.statustext, strerror(errno), sizeof(jdwmconf.statustext) - 1);
|
|
jdwmconf.statustext[sizeof(jdwmconf.statustext) - 1] = '\0';
|
|
readin = False;
|
|
break;
|
|
case 0:
|
|
strncpy(jdwmconf.statustext, "EOF", 4);
|
|
readin = False;
|
|
break;
|
|
default:
|
|
for(jdwmconf.statustext[r] = '\0', p = jdwmconf.statustext + strlen(jdwmconf.statustext) - 1;
|
|
p >= jdwmconf.statustext && *p == '\n'; *p-- = '\0');
|
|
for(; p >= jdwmconf.statustext && *p != '\n'; --p);
|
|
if(p > jdwmconf.statustext)
|
|
strncpy(jdwmconf.statustext, p + 1, sizeof(jdwmconf.statustext));
|
|
}
|
|
drawstatus(dpy, &jdwmconf);
|
|
}
|
|
|
|
while(XPending(dpy))
|
|
{
|
|
XNextEvent(dpy, &ev);
|
|
if(handler[ev.type])
|
|
(handler[ev.type]) (&ev, &jdwmconf); /* call handler */
|
|
}
|
|
}
|
|
cleanup(dpy, &jdwmconf);
|
|
XCloseDisplay(dpy);
|
|
|
|
return 0;
|
|
}
|