mirror of
https://github.com/leahneukirchen/cwm.git
synced 2023-08-10 21:13:12 +03:00
319 lines
8.3 KiB
C
319 lines
8.3 KiB
C
/*
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* calmwm - the calm window manager
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*
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* Copyright (c) 2004 Marius Aamodt Eriksen <marius@monkey.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* $Id$
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*/
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#include "headers.h"
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#include "calmwm.h"
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Display *X_Dpy;
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Cursor Cursor_move;
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Cursor Cursor_resize;
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Cursor Cursor_select;
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Cursor Cursor_default;
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Cursor Cursor_question;
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struct screen_ctx_q Screenq;
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struct screen_ctx *Curscreen;
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u_int Nscreens;
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struct client_ctx_q Clientq;
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int Doshape, Shape_ev;
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int Starting;
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struct conf Conf;
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struct fontdesc *DefaultFont = NULL;
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/* From TWM */
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#define gray_width 2
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#define gray_height 2
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static char gray_bits[] = {0x02, 0x01};
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static void _sigchld_cb(int);
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int
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main(int argc, char **argv)
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{
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int ch;
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const char *conffile = NULL;
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char *display_name = NULL;
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while ((ch = getopt(argc, argv, "c:d:")) != -1) {
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switch (ch) {
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case 'c':
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conffile = optarg;
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break;
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case 'd':
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display_name = optarg;
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break;
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default:
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usage();
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}
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}
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argc -= optind;
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argv += optind;
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/* Ignore a few signals. */
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if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
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err(1, "signal");
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if (signal(SIGCHLD, _sigchld_cb) == SIG_ERR)
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err(1, "signal");
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group_init();
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Starting = 1;
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bzero(&Conf, sizeof(Conf));
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conf_setup(&Conf, conffile);
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client_setup();
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x_setup(display_name);
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Starting = 0;
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xev_init();
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XEV_QUICK(NULL, NULL, MapRequest, xev_handle_maprequest, NULL);
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XEV_QUICK(NULL, NULL, UnmapNotify, xev_handle_unmapnotify, NULL);
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XEV_QUICK(NULL, NULL, ConfigureRequest,
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xev_handle_configurerequest, NULL);
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XEV_QUICK(NULL, NULL, PropertyNotify, xev_handle_propertynotify, NULL);
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XEV_QUICK(NULL, NULL, EnterNotify, xev_handle_enternotify, NULL);
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XEV_QUICK(NULL, NULL, LeaveNotify, xev_handle_leavenotify, NULL);
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XEV_QUICK(NULL, NULL, ButtonPress, xev_handle_buttonpress, NULL);
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XEV_QUICK(NULL, NULL, ButtonRelease, xev_handle_buttonrelease, NULL);
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XEV_QUICK(NULL, NULL, KeyPress, xev_handle_keypress, NULL);
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XEV_QUICK(NULL, NULL, KeyRelease, xev_handle_keyrelease, NULL);
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XEV_QUICK(NULL, NULL, Expose, xev_handle_expose, NULL);
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XEV_QUICK(NULL, NULL, DestroyNotify, xev_handle_destroynotify, NULL);
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XEV_QUICK(NULL, NULL, ClientMessage, xev_handle_clientmessage, NULL);
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xev_loop();
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return (0);
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}
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void
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x_setup(char *display_name)
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{
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int i;
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struct screen_ctx *sc;
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TAILQ_INIT(&Screenq);
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if ((X_Dpy = XOpenDisplay(display_name)) == NULL)
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errx(1, "unable to open display \"%s\"",
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XDisplayName(display_name));
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XSetErrorHandler(x_errorhandler);
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Doshape = XShapeQueryExtension(X_Dpy, &Shape_ev, &i);
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Nscreens = ScreenCount(X_Dpy);
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for (i = 0; i < (int)Nscreens; i++) {
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XMALLOC(sc, struct screen_ctx);
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x_setupscreen(sc, i);
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TAILQ_INSERT_TAIL(&Screenq, sc, entry);
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}
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Cursor_move = XCreateFontCursor(X_Dpy, XC_fleur);
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Cursor_resize = XCreateFontCursor(X_Dpy, XC_bottom_right_corner);
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Cursor_select = XCreateFontCursor(X_Dpy, XC_hand1);
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Cursor_default = XCreateFontCursor(X_Dpy, XC_X_cursor);
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Cursor_question = XCreateFontCursor(X_Dpy, XC_question_arrow);
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}
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void
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x_setupscreen(struct screen_ctx *sc, u_int which)
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{
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XColor tmp;
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XGCValues gv;
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Window *wins, w0, w1;
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u_int nwins, i = 0;
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XWindowAttributes winattr;
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XSetWindowAttributes rootattr;
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struct keybinding *kb;
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sc->display = x_screenname(which);
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sc->which = which;
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sc->rootwin = RootWindow(X_Dpy, which);
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XAllocNamedColor(X_Dpy, DefaultColormap(X_Dpy, which),
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"black", &sc->fgcolor, &tmp);
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XAllocNamedColor(X_Dpy, DefaultColormap(X_Dpy, which),
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"#00cc00", &sc->bgcolor, &tmp);
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XAllocNamedColor(X_Dpy,DefaultColormap(X_Dpy, which),
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"blue", &sc->fccolor, &tmp);
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XAllocNamedColor(X_Dpy, DefaultColormap(X_Dpy, which),
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"red", &sc->redcolor, &tmp);
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XAllocNamedColor(X_Dpy, DefaultColormap(X_Dpy, which),
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"#00ccc8", &sc->cyancolor, &tmp);
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XAllocNamedColor(X_Dpy, DefaultColormap(X_Dpy, which),
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"white", &sc->whitecolor, &tmp);
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XAllocNamedColor(X_Dpy, DefaultColormap(X_Dpy, which),
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"black", &sc->blackcolor, &tmp);
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TAILQ_FOREACH(kb, &Conf.keybindingq, entry)
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xu_key_grab(sc->rootwin, kb->modmask, kb->keysym);
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sc->blackpixl = BlackPixel(X_Dpy, sc->which);
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sc->whitepixl = WhitePixel(X_Dpy, sc->which);
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sc->bluepixl = sc->fccolor.pixel;
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sc->redpixl = sc->redcolor.pixel;
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sc->cyanpixl = sc->cyancolor.pixel;
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sc->gray = XCreatePixmapFromBitmapData(X_Dpy, sc->rootwin,
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gray_bits, gray_width, gray_height,
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sc->blackpixl, sc->whitepixl, DefaultDepth(X_Dpy, sc->which));
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sc->blue = XCreatePixmapFromBitmapData(X_Dpy, sc->rootwin,
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gray_bits, gray_width, gray_height,
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sc->bluepixl, sc->whitepixl, DefaultDepth(X_Dpy, sc->which));
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sc->red = XCreatePixmapFromBitmapData(X_Dpy, sc->rootwin,
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gray_bits, gray_width, gray_height,
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sc->redpixl, sc->whitepixl, DefaultDepth(X_Dpy, sc->which));
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gv.foreground = sc->blackpixl^sc->whitepixl;
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gv.background = sc->whitepixl;
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gv.function = GXxor;
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gv.line_width = 1;
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gv.subwindow_mode = IncludeInferiors;
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sc->gc = XCreateGC(X_Dpy, sc->rootwin,
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GCForeground|GCBackground|GCFunction|
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GCLineWidth|GCSubwindowMode, &gv);
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sc->hlgc = XCreateGC(X_Dpy, sc->rootwin,
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GCForeground|GCBackground|GCFunction|
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GCLineWidth|GCSubwindowMode, &gv);
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font_init(sc);
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DefaultFont = font_getx(sc, Conf.DefaultFontName);
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/*
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* XXX - this should *really* be in screen_init(). ordering
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* problem.
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*/
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TAILQ_INIT(&sc->mruq);
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/* Initialize menu window. */
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grab_menuinit(sc);
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search_init(sc);
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/* Deal with existing clients. */
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XQueryTree(X_Dpy, sc->rootwin, &w0, &w1, &wins, &nwins);
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for (i = 0; i < nwins; i++) {
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XGetWindowAttributes(X_Dpy, wins[i], &winattr);
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if (winattr.override_redirect ||
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winattr.map_state != IsViewable) {
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char *name;
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XFetchName(X_Dpy, wins[i], &name);
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continue;
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}
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client_new(wins[i], sc, winattr.map_state != IsUnmapped);
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}
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XFree(wins);
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Curscreen = sc; /* XXX */
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screen_init();
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screen_updatestackingorder();
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rootattr.event_mask = ChildMask|PropertyChangeMask|EnterWindowMask|
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LeaveWindowMask|ColormapChangeMask|ButtonMask;
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XChangeWindowAttributes(X_Dpy, sc->rootwin,
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/* CWCursor| */CWEventMask, &rootattr);
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XSync(X_Dpy, False);
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return;
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}
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char *
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x_screenname(int which)
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{
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char *cp, *dstr, *sn;
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size_t snlen;
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if (which > 9)
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errx(1, "Can't handle more than 9 screens. If you need it, "
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"tell <marius@monkey.org>. It's a trivial fix.");
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dstr = xstrdup(DisplayString(X_Dpy));
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if ((cp = rindex(dstr, ':')) == NULL)
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return (NULL);
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if ((cp = index(cp, '.')) != NULL)
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*cp = '\0';
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snlen = strlen(dstr) + 3; /* string, dot, number, null */
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sn = (char *)xmalloc(snlen);
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snprintf(sn, snlen, "%s.%d", dstr, which);
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free(dstr);
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return (sn);
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}
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int
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x_errorhandler(Display *dpy, XErrorEvent *e)
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{
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#ifdef DEBUG
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{
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char msg[80], number[80], req[80];
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XGetErrorText(X_Dpy, e->error_code, msg, sizeof(msg));
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snprintf(number, sizeof(number), "%d", e->request_code);
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XGetErrorDatabaseText(X_Dpy, "XRequest", number,
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"<unknown>", req, sizeof(req));
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warnx("%s(0x%x): %s", req, (u_int)e->resourceid, msg);
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}
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#endif
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if (Starting &&
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e->error_code == BadAccess &&
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e->request_code == X_GrabKey)
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errx(1, "root window unavailable - perhaps another "
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"wm is running?");
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return (0);
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}
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static void
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_sigchld_cb(int which)
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{
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pid_t pid;
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int status;
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/* Collect dead children. */
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while ((pid = waitpid(-1, &status, WNOHANG)) > 0 ||
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(pid < 0 && errno == EINTR))
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;
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}
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__dead void
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usage(void)
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{
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extern char *__progname;
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fprintf(stderr, "usage: %s [-d display] [-c file]\n", __progname);
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exit(1);
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}
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