mirror of
https://github.com/leahneukirchen/cwm.git
synced 2023-08-10 21:13:12 +03:00
353 lines
9.0 KiB
C
353 lines
9.0 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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* All rights reserved.
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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 *G_dpy;
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XFontStruct *G_font;
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Cursor G_cursor_move;
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Cursor G_cursor_resize;
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Cursor G_cursor_select;
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Cursor G_cursor_default;
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Cursor G_cursor_question;
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struct screen_ctx_q G_screenq;
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struct screen_ctx *G_curscreen;
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u_int G_nscreens;
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struct client_ctx_q G_clientq;
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int G_doshape, G_shape_ev;
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int G_starting;
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struct conf G_conf;
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struct fontdesc *DefaultFont;
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char *DefaultFontName;
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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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/* List borrowed from 9wm/rio */
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char *tryfonts[] = {
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"9x15bold",
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"blit",
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"*-lucidatypewriter-bold-*-14-*-75-*",
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"*-lucidatypewriter-medium-*-12-*-75-*",
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"fixed",
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"*",
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NULL,
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};
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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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int conf_flags = 0;
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char *display_name = NULL;
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DefaultFontName = "sans-serif:pixelsize=14:bold";
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while ((ch = getopt(argc, argv, "d:sf:")) != -1) {
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switch (ch) {
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case 'd':
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display_name = optarg;
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break;
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case 's':
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conf_flags |= CONF_STICKY_GROUPS;
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break;
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case 'f':
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DefaultFontName = xstrdup(optarg);
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break;
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default:
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errx(1, "Unknown option '%c'", ch);
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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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G_starting = 1;
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conf_setup(&G_conf);
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G_conf.flags |= conf_flags;
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client_setup();
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x_setup(display_name);
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G_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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char *fontname;
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TAILQ_INIT(&G_screenq);
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if ((G_dpy = XOpenDisplay(display_name)) == NULL)
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errx(1, "%s:%d XOpenDisplay()", __FILE__, __LINE__);
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XSetErrorHandler(x_errorhandler);
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G_doshape = XShapeQueryExtension(G_dpy, &G_shape_ev, &i);
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i = 0;
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while ((fontname = tryfonts[i++]) != NULL) {
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if ((G_font = XLoadQueryFont(G_dpy, fontname)) != NULL)
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break;
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}
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if (fontname == NULL)
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errx(1, "Couldn't load any fonts.");
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G_nscreens = ScreenCount(G_dpy);
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for (i = 0; i < (int)G_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(&G_screenq, sc, entry);
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}
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G_cursor_move = XCreateFontCursor(G_dpy, XC_fleur);
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G_cursor_resize = XCreateFontCursor(G_dpy, XC_bottom_right_corner);
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/* (used to be) XCreateFontCursor(G_dpy, XC_hand1); */
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G_cursor_select = XCreateFontCursor(G_dpy, XC_hand1);
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/* G_cursor_select = cursor_bigarrow(G_curscreen); */
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G_cursor_default = XCreateFontCursor(G_dpy, XC_X_cursor);
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/* G_cursor_default = cursor_bigarrow(G_curscreen); */
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G_cursor_question = XCreateFontCursor(G_dpy, XC_question_arrow);
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}
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int
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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, gv1/* , gv2 */;
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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(G_dpy, which);
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XAllocNamedColor(G_dpy, DefaultColormap(G_dpy, which),
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"black", &sc->fgcolor, &tmp);
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XAllocNamedColor(G_dpy, DefaultColormap(G_dpy, which),
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"#00cc00", &sc->bgcolor, &tmp);
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XAllocNamedColor(G_dpy,DefaultColormap(G_dpy, which),
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"blue", &sc->fccolor, &tmp);
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XAllocNamedColor(G_dpy, DefaultColormap(G_dpy, which),
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"red", &sc->redcolor, &tmp);
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XAllocNamedColor(G_dpy, DefaultColormap(G_dpy, which),
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"#00ccc8", &sc->cyancolor, &tmp);
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XAllocNamedColor(G_dpy, DefaultColormap(G_dpy, which),
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"white", &sc->whitecolor, &tmp);
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XAllocNamedColor(G_dpy, DefaultColormap(G_dpy, which),
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"black", &sc->blackcolor, &tmp);
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TAILQ_FOREACH(kb, &G_conf.keybindingq, entry)
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xu_key_grab(sc->rootwin, kb->modmask, kb->keysym);
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/* Special -- for alt state. */
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/* xu_key_grab(sc->rootwin, 0, XK_Alt_L); */
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/* xu_key_grab(sc->rootwin, 0, XK_Alt_R); */
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sc->blackpixl = BlackPixel(G_dpy, sc->which);
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sc->whitepixl = WhitePixel(G_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(G_dpy, sc->rootwin,
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gray_bits, gray_width, gray_height,
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sc->blackpixl, sc->whitepixl, DefaultDepth(G_dpy, sc->which));
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sc->blue = XCreatePixmapFromBitmapData(G_dpy, sc->rootwin,
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gray_bits, gray_width, gray_height,
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sc->bluepixl, sc->whitepixl, DefaultDepth(G_dpy, sc->which));
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sc->red = XCreatePixmapFromBitmapData(G_dpy, sc->rootwin,
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gray_bits, gray_width, gray_height,
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sc->redpixl, sc->whitepixl, DefaultDepth(G_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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gv.font = G_font->fid;
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sc->gc = XCreateGC(G_dpy, sc->rootwin,
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GCForeground|GCBackground|GCFunction|
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GCLineWidth|GCSubwindowMode|GCFont, &gv);
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#ifdef notyet
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gv2.foreground = sc->blackpixl^sc->cyanpixl;
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gv2.background = sc->cyanpixl;
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gv2.function = GXxor;
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gv2.line_width = 1;
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gv2.subwindow_mode = IncludeInferiors;
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gv2.font = G_font->fid;
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#endif
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sc->hlgc = XCreateGC(G_dpy, sc->rootwin,
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GCForeground|GCBackground|GCFunction|
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GCLineWidth|GCSubwindowMode|GCFont, &gv);
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gv1.function = GXinvert;
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gv1.subwindow_mode = IncludeInferiors;
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gv1.line_width = 1;
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gv1.font = G_font->fid;
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sc->invgc = XCreateGC(G_dpy, sc->rootwin,
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GCFunction|GCSubwindowMode|GCLineWidth|GCFont, &gv1);
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font_init(sc);
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DefaultFont = font_getx(sc, 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(G_dpy, sc->rootwin, &w0, &w1, &wins, &nwins);
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for (i = 0; i < nwins; i++) {
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XGetWindowAttributes(G_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(G_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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G_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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/* Set the root cursor to a nice obnoxious arrow :-) */
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/* rootattr.cursor = cursor_bigarrow(sc); */
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XChangeWindowAttributes(G_dpy, sc->rootwin,
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/* CWCursor| */CWEventMask, &rootattr);
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XSync(G_dpy, False);
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return (0);
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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(G_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(G_dpy, e->error_code, msg, sizeof(msg));
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snprintf(number, sizeof(number), "%d", e->request_code);
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XGetErrorDatabaseText(G_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 (G_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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