cwm/calmwm.c
2007-04-27 17:58:48 +00:00

346 lines
8.8 KiB
C

/*
* calmwm - the calm window manager
*
* Copyright (c) 2004 Marius Aamodt Eriksen <marius@monkey.org>
* All rights reserved.
*
* $Id$
*/
#include "headers.h"
#include "calmwm.h"
Display *G_dpy;
XFontStruct *G_font;
Cursor G_cursor_move;
Cursor G_cursor_resize;
Cursor G_cursor_select;
Cursor G_cursor_default;
Cursor G_cursor_question;
struct screen_ctx_q G_screenq;
struct screen_ctx *G_curscreen;
u_int G_nscreens;
struct client_ctx_q G_clientq;
int G_doshape, G_shape_ev;
int G_starting;
struct conf G_conf;
struct fontdesc *DefaultFont;
char *DefaultFontName;
/* From TWM */
#define gray_width 2
#define gray_height 2
static char gray_bits[] = {0x02, 0x01};
/* List borrowed from 9wm/rio */
char *tryfonts[] = {
"9x15bold",
"blit",
"*-lucidatypewriter-bold-*-14-*-75-*",
"*-lucidatypewriter-medium-*-12-*-75-*",
"fixed",
"*",
NULL,
};
static void _sigchld_cb(int);
int
main(int argc, char **argv)
{
int ch;
int conf_flags = 0;
DefaultFontName = "sans-serif:pixelsize=14:bold";
while ((ch = getopt(argc, argv, "sf:")) != -1) {
switch (ch) {
case 's':
conf_flags |= CONF_STICKY_GROUPS;
break;
case 'f':
DefaultFontName = xstrdup(optarg);
break;
default:
errx(1, "Unknown option '%c'", ch);
}
}
/* Ignore a few signals. */
if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
err(1, "signal");
if (signal(SIGCHLD, _sigchld_cb) == SIG_ERR)
err(1, "signal");
group_init();
G_starting = 1;
conf_setup(&G_conf);
G_conf.flags |= conf_flags;
client_setup();
x_setup();
G_starting = 0;
xev_init();
XEV_QUICK(NULL, NULL, MapRequest, xev_handle_maprequest, NULL);
XEV_QUICK(NULL, NULL, UnmapNotify, xev_handle_unmapnotify, NULL);
XEV_QUICK(NULL, NULL, ConfigureRequest,
xev_handle_configurerequest, NULL);
XEV_QUICK(NULL, NULL, PropertyNotify, xev_handle_propertynotify, NULL);
XEV_QUICK(NULL, NULL, EnterNotify, xev_handle_enternotify, NULL);
XEV_QUICK(NULL, NULL, LeaveNotify, xev_handle_leavenotify, NULL);
XEV_QUICK(NULL, NULL, ButtonPress, xev_handle_buttonpress, NULL);
XEV_QUICK(NULL, NULL, ButtonRelease, xev_handle_buttonrelease, NULL);
XEV_QUICK(NULL, NULL, KeyPress, xev_handle_keypress, NULL);
XEV_QUICK(NULL, NULL, KeyRelease, xev_handle_keyrelease, NULL);
XEV_QUICK(NULL, NULL, Expose, xev_handle_expose, NULL);
XEV_QUICK(NULL, NULL, DestroyNotify, xev_handle_destroynotify, NULL);
XEV_QUICK(NULL, NULL, ClientMessage, xev_handle_clientmessage, NULL);
xev_loop();
return (0);
}
void
x_setup(void)
{
int i;
struct screen_ctx *sc;
char *fontname;
TAILQ_INIT(&G_screenq);
if ((G_dpy = XOpenDisplay("")) == NULL)
errx(1, "%s:%d XOpenDisplay()", __FILE__, __LINE__);
XSetErrorHandler(x_errorhandler);
G_doshape = XShapeQueryExtension(G_dpy, &G_shape_ev, &i);
i = 0;
while ((fontname = tryfonts[i++]) != NULL) {
if ((G_font = XLoadQueryFont(G_dpy, fontname)) != NULL)
break;
}
if (fontname == NULL)
errx(1, "Couldn't load any fonts.");
G_nscreens = ScreenCount(G_dpy);
for (i = 0; i < (int)G_nscreens; i++) {
XMALLOC(sc, struct screen_ctx);
x_setupscreen(sc, i);
TAILQ_INSERT_TAIL(&G_screenq, sc, entry);
}
G_cursor_move = XCreateFontCursor(G_dpy, XC_fleur);
G_cursor_resize = XCreateFontCursor(G_dpy, XC_bottom_right_corner);
/* (used to be) XCreateFontCursor(G_dpy, XC_hand1); */
G_cursor_select = XCreateFontCursor(G_dpy, XC_hand1);
/* G_cursor_select = cursor_bigarrow(G_curscreen); */
G_cursor_default = XCreateFontCursor(G_dpy, XC_X_cursor);
/* G_cursor_default = cursor_bigarrow(G_curscreen); */
G_cursor_question = XCreateFontCursor(G_dpy, XC_question_arrow);
}
int
x_setupscreen(struct screen_ctx *sc, u_int which)
{
XColor tmp;
XGCValues gv, gv1/* , gv2 */;
Window *wins, w0, w1;
u_int nwins, i = 0;
XWindowAttributes winattr;
XSetWindowAttributes rootattr;
struct keybinding *kb;
sc->display = x_screenname(which);
sc->which = which;
sc->rootwin = RootWindow(G_dpy, which);
XAllocNamedColor(G_dpy, DefaultColormap(G_dpy, which),
"black", &sc->fgcolor, &tmp);
XAllocNamedColor(G_dpy, DefaultColormap(G_dpy, which),
"#00cc00", &sc->bgcolor, &tmp);
XAllocNamedColor(G_dpy,DefaultColormap(G_dpy, which),
"blue", &sc->fccolor, &tmp);
XAllocNamedColor(G_dpy, DefaultColormap(G_dpy, which),
"red", &sc->redcolor, &tmp);
XAllocNamedColor(G_dpy, DefaultColormap(G_dpy, which),
"#00ccc8", &sc->cyancolor, &tmp);
XAllocNamedColor(G_dpy, DefaultColormap(G_dpy, which),
"white", &sc->whitecolor, &tmp);
XAllocNamedColor(G_dpy, DefaultColormap(G_dpy, which),
"black", &sc->blackcolor, &tmp);
TAILQ_FOREACH(kb, &G_conf.keybindingq, entry)
xu_key_grab(sc->rootwin, kb->modmask, kb->keysym);
/* Special -- for alt state. */
/* xu_key_grab(sc->rootwin, 0, XK_Alt_L); */
/* xu_key_grab(sc->rootwin, 0, XK_Alt_R); */
sc->blackpixl = BlackPixel(G_dpy, sc->which);
sc->whitepixl = WhitePixel(G_dpy, sc->which);
sc->bluepixl = sc->fccolor.pixel;
sc->redpixl = sc->redcolor.pixel;
sc->cyanpixl = sc->cyancolor.pixel;
sc->gray = XCreatePixmapFromBitmapData(G_dpy, sc->rootwin,
gray_bits, gray_width, gray_height,
sc->blackpixl, sc->whitepixl, DefaultDepth(G_dpy, sc->which));
sc->blue = XCreatePixmapFromBitmapData(G_dpy, sc->rootwin,
gray_bits, gray_width, gray_height,
sc->bluepixl, sc->whitepixl, DefaultDepth(G_dpy, sc->which));
sc->red = XCreatePixmapFromBitmapData(G_dpy, sc->rootwin,
gray_bits, gray_width, gray_height,
sc->redpixl, sc->whitepixl, DefaultDepth(G_dpy, sc->which));
gv.foreground = sc->blackpixl^sc->whitepixl;
gv.background = sc->whitepixl;
gv.function = GXxor;
gv.line_width = 1;
gv.subwindow_mode = IncludeInferiors;
gv.font = G_font->fid;
sc->gc = XCreateGC(G_dpy, sc->rootwin,
GCForeground|GCBackground|GCFunction|
GCLineWidth|GCSubwindowMode|GCFont, &gv);
#ifdef notyet
gv2.foreground = sc->blackpixl^sc->cyanpixl;
gv2.background = sc->cyanpixl;
gv2.function = GXxor;
gv2.line_width = 1;
gv2.subwindow_mode = IncludeInferiors;
gv2.font = G_font->fid;
#endif
sc->hlgc = XCreateGC(G_dpy, sc->rootwin,
GCForeground|GCBackground|GCFunction|
GCLineWidth|GCSubwindowMode|GCFont, &gv);
gv1.function = GXinvert;
gv1.subwindow_mode = IncludeInferiors;
gv1.line_width = 1;
gv1.font = G_font->fid;
sc->invgc = XCreateGC(G_dpy, sc->rootwin,
GCFunction|GCSubwindowMode|GCLineWidth|GCFont, &gv1);
font_init(sc);
DefaultFont = font_getx(sc, DefaultFontName);
/*
* XXX - this should *really* be in screen_init(). ordering
* problem.
*/
TAILQ_INIT(&sc->mruq);
/* Initialize menu window. */
grab_menuinit(sc);
search_init(sc);
/* Deal with existing clients. */
XQueryTree(G_dpy, sc->rootwin, &w0, &w1, &wins, &nwins);
for (i = 0; i < nwins; i++) {
XGetWindowAttributes(G_dpy, wins[i], &winattr);
if (winattr.override_redirect ||
winattr.map_state != IsViewable) {
char *name;
XFetchName(G_dpy, wins[i], &name);
continue;
}
client_new(wins[i], sc, winattr.map_state != IsUnmapped);
}
XFree(wins);
G_curscreen = sc; /* XXX */
screen_init();
screen_updatestackingorder();
rootattr.event_mask = ChildMask|PropertyChangeMask|EnterWindowMask|
LeaveWindowMask|ColormapChangeMask|ButtonMask;
/* Set the root cursor to a nice obnoxious arrow :-) */
/* rootattr.cursor = cursor_bigarrow(sc); */
XChangeWindowAttributes(G_dpy, sc->rootwin,
/* CWCursor| */CWEventMask, &rootattr);
XSync(G_dpy, False);
return (0);
}
char *
x_screenname(int which)
{
char *cp, *dstr, *sn;
size_t snlen;
if (which > 9)
errx(1, "Can't handle more than 9 screens. If you need it, "
"tell <marius@monkey.org>. It's a trivial fix.");
dstr = xstrdup(DisplayString(G_dpy));
if ((cp = rindex(dstr, ':')) == NULL)
return (NULL);
if ((cp = index(cp, '.')) != NULL)
*cp = '\0';
snlen = strlen(dstr) + 3; /* string, dot, number, null */
sn = (char *)xmalloc(snlen);
snprintf(sn, snlen, "%s.%d", dstr, which);
free(dstr);
return (sn);
}
int
x_errorhandler(Display *dpy, XErrorEvent *e)
{
#ifdef DEBUG
{
char msg[80], number[80], req[80];
XGetErrorText(G_dpy, e->error_code, msg, sizeof(msg));
snprintf(number, sizeof(number), "%d", e->request_code);
XGetErrorDatabaseText(G_dpy, "XRequest", number,
"<unknown>", req, sizeof(req));
warnx("%s(0x%x): %s", req, (u_int)e->resourceid, msg);
}
#endif
if (G_starting &&
e->error_code == BadAccess &&
e->request_code == X_GrabKey)
errx(1, "root window unavailable - perhaps another "
"wm is running?");
return (0);
}
static void
_sigchld_cb(int which)
{
pid_t pid;
int status;
/* Collect dead children. */
while ((pid = waitpid(-1, &status, WNOHANG)) > 0 ||
(pid < 0 && errno == EINTR))
;
}