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Annotation of researchv9/X11/src/X.V11R1/clients/xclock/xclock.c, revision 1.1

1.1     ! root        1: 
        !             2: /*
        !             3:  * Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
        !             4:  * 
        !             5:  *                         All Rights Reserved
        !             6:  * 
        !             7:  * Permission to use, copy, modify, and distribute this software and its 
        !             8:  * documentation for any purpose and without fee is hereby granted, 
        !             9:  * provided that the above copyright notice appear in all copies and that
        !            10:  * both that copyright notice and this permission notice appear in 
        !            11:  * supporting documentation, and that the name of Digital Equipment
        !            12:  * Corporation not be used in advertising or publicity pertaining to
        !            13:  * distribution of the software without specific, written prior permission.  
        !            14:  * 
        !            15:  * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
        !            16:  * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
        !            17:  * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
        !            18:  * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
        !            19:  * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
        !            20:  * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
        !            21:  * SOFTWARE.
        !            22:  */
        !            23: /* xclock -- 
        !            24:  *  Hacked from Tony Della Fera's much hacked clock program.
        !            25:  */
        !            26: #ifndef lint
        !            27: static char *rcsid_xclock_c = "$Header: xclock.c,v 1.27 87/09/09 12:03:33 swick Exp $";
        !            28: #endif  lint
        !            29: 
        !            30: #include <stdio.h>
        !            31: #include <strings.h>
        !            32: #include <signal.h>
        !            33: #include <X11/Xatom.h>
        !            34: #include <X11/Xlib.h>
        !            35: #include <X11/Xutil.h>
        !            36: #include <X11/Intrinsic.h>
        !            37: #include <X11/Atoms.h>
        !            38: #include <X11/Clock.h>
        !            39: #include <pwd.h>
        !            40: #include "clock.bit"
        !            41: 
        !            42: extern void exit();
        !            43: 
        !            44: /* Command line options table.  Only resources are entered here...there is a
        !            45:    pass over the remaining options after XtParseCommand is let loose. */
        !            46: 
        !            47: static XrmOptionDescRec opTable[] = {
        !            48: {"=",          "geometry",     XrmoptionIsArg,         (caddr_t) NULL},
        !            49: {"-bd",                XtNborder,      XrmoptionSepArg,        (caddr_t) NULL},
        !            50: {"-bordercolor",XtNborder,     XrmoptionSepArg,        (caddr_t) NULL},
        !            51: {"-bg",                XtNbackground,  XrmoptionSepArg,        (caddr_t) NULL},
        !            52: {"-background",        XtNbackground,  XrmoptionSepArg,        (caddr_t) NULL},
        !            53: {"-bw",                XtNborderWidth, XrmoptionSepArg,        (caddr_t) NULL},
        !            54: {"-border",    XtNborderWidth, XrmoptionSepArg,        (caddr_t) NULL},
        !            55: {"-chime",     XtNchime,       XrmoptionNoArg,         (caddr_t) "1"},
        !            56: {"-fg",                XtNforeground,  XrmoptionSepArg,        (caddr_t) NULL},
        !            57: {"-foreground",        XtNforeground,  XrmoptionSepArg,        (caddr_t) NULL},
        !            58: {"-fn",                XtNfont,        XrmoptionSepArg,        (caddr_t) NULL},
        !            59: {"-font",      XtNfont,        XrmoptionSepArg,        (caddr_t) NULL},
        !            60: {"-hd",                XtNhand,        XrmoptionSepArg,        (caddr_t) NULL},
        !            61: {"-hands",     XtNhand,        XrmoptionSepArg,        (caddr_t) NULL},
        !            62: {"-hl",                XtNhigh,        XrmoptionSepArg,        (caddr_t) NULL},
        !            63: {"-highlight", XtNhigh,        XrmoptionSepArg,        (caddr_t) NULL},
        !            64: {"-u",         XtNupdate,      XrmoptionSepArg,        (caddr_t) NULL},
        !            65: {"-update",    XtNupdate,      XrmoptionSepArg,        (caddr_t) NULL},
        !            66: {"-padding",   XtNpadding,     XrmoptionSepArg,        (caddr_t) NULL},
        !            67: {"-d",         XtNanalog,       XrmoptionNoArg,        (caddr_t) "0"},
        !            68: {"-digital",   XtNanalog,       XrmoptionNoArg,        (caddr_t) "0"},
        !            69: {"-analog",    XtNanalog,       XrmoptionNoArg,        (caddr_t) "1"},
        !            70: {"-a",         XtNanalog,       XrmoptionNoArg,        (caddr_t) "1"},
        !            71: {"-rv",                XtNreverseVideo, XrmoptionNoArg,        (caddr_t) "on"},
        !            72: {"-reverse",   XtNreverseVideo, XrmoptionNoArg,        (caddr_t) "on"},
        !            73: {"-active",    XtNactive,       XrmoptionNoArg,        (caddr_t) "1"},
        !            74: {"+rv",                XtNreverseVideo, XrmoptionNoArg,        (caddr_t) "off"}
        !            75: };
        !            76: 
        !            77: static char *geostr;
        !            78: int analog, def_analog = 1;
        !            79: 
        !            80: 
        !            81: static Resource rlist[]=
        !            82: {
        !            83:       {"geometry", "Geometry", XrmRString,
        !            84:         sizeof(char *), (caddr_t) &geostr, (caddr_t) NULL},
        !            85:       {XtNanalog, XtCAnalog, XrmRInt, sizeof(int), (caddr_t) & analog, 
        !            86:        (caddr_t) & def_analog}
        !            87: };
        !            88: 
        !            89: 
        !            90: /*
        !            91:  * Report the syntax for calling xclock.
        !            92:  */
        !            93: Syntax(call)
        !            94:        char *call;
        !            95: {
        !            96:        (void) printf ("Usage: %s [-analog] [-bw <pixels>] [-digital]\n", call);
        !            97:        (void) printf ("       [-fg <color>] [-bg <color>] [-hl <color>] [-bd <color>]\n");
        !            98:        (void) printf ("       [-fn <font_name>] [-help] [-padding <pixels>]\n");
        !            99:        (void) printf ("       [-rv] [-update <seconds>] [[<host>]:[<vs>]]\n");
        !           100:        (void) printf ("       [=[<width>][x<height>][<+-><xoff>[<+-><yoff>]]]\n\n");
        !           101:        exit(0);
        !           102: }
        !           103: 
        !           104: void XtGetUsersDataBase()
        !           105: {
        !           106:        XrmResourceDataBase resources, userResources;
        !           107:        int uid;
        !           108:        extern struct passwd *getpwuid();
        !           109:        struct passwd *pw;
        !           110:        char filename[1024];
        !           111:        FILE *f;
        !           112: 
        !           113:        /* Open .Xdefaults file and merge into existing data base */
        !           114:        uid = getuid();
        !           115:        pw = getpwuid(uid);
        !           116:        if (pw) {
        !           117:                (void) strcpy(filename, pw->pw_dir);
        !           118:                (void) strcat(filename, "/.Xdefaults");
        !           119:                f = fopen(filename, "r");
        !           120:                if (f) {
        !           121:                        XrmGetCurrentDataBase(&resources);
        !           122:                        XrmGetDataBase(f, &userResources);
        !           123:                        XrmMergeDataBases(userResources, &resources);
        !           124:                        XrmSetCurrentDataBase(userResources);
        !           125:                        (void) fclose(f);
        !           126:                }
        !           127:        }
        !           128: }
        !           129: 
        !           130: 
        !           131: void main(argc, argv)
        !           132:     int argc;
        !           133:     char **argv;
        !           134: {
        !           135:     char displayName[256];     /* will contain DISPLAY name */
        !           136:     char host[256];
        !           137:     Display *dpy;
        !           138:     Window win;
        !           139:     XrmNameList         names;
        !           140:     XrmClassList classes;
        !           141:     Arg arglist[20];
        !           142:     int x, y;
        !           143:     unsigned height, width;
        !           144:     int argCount = 0;
        !           145:     int flags = 0;
        !           146:     XSizeHints sizehints;
        !           147:     XWMHints   wmhints, *oldwmhints;
        !           148: 
        !           149:     (void) gethostname(host,255);
        !           150:     XtSetArg(arglist[argCount], XtNlabel, host);
        !           151:     argCount++;
        !           152:     XtSetArg(arglist[argCount], XtNname, argv[0]);
        !           153:     argCount++;
        !           154:     displayName[0] = '\0';
        !           155:     XtInitialize();
        !           156:     XtGetUsersDataBase();
        !           157:       
        !           158:     XrmParseCommand( opTable, XtNumber(opTable), argv[0], &argc, argv);
        !           159: 
        !           160:     if(argc > 1 && index(argv[1], ':') != NULL) {
        !           161:            argc--;
        !           162:            (void) strncpy(displayName, argv[1], sizeof(displayName));
        !           163:     }
        !           164:     if (argc != 1) Syntax(argv[0]);
        !           165: 
        !           166:     /* Open display  */
        !           167:     if (!(dpy = XOpenDisplay(displayName))) {
        !           168:        (void) fprintf(stderr, "%s: Can't open display '%s'\n",
        !           169:                argv[0], XDisplayName(displayName));
        !           170:        exit(1);
        !           171:     }
        !           172:     geostr = NULL;
        !           173:     XtGetResources(dpy, rlist, XtNumber(rlist),arglist,2,
        !           174:                DefaultRootWindow(dpy),
        !           175:                   "Xclock",  "xclock", &names, &classes);
        !           176:     sizehints.flags = PMinSize | PPosition | PSize;
        !           177:     if(analog) {
        !           178:        sizehints.flags |= PAspect;
        !           179:        sizehints.min_aspect.x = 1;
        !           180:        sizehints.min_aspect.y = 1;
        !           181:         sizehints.max_aspect.x = 1;
        !           182:         sizehints.max_aspect.y = 1;
        !           183:     }
        !           184:     sizehints.min_width = sizehints.min_height = 15;
        !           185:     sizehints.width = sizehints.height = 120;
        !           186:     sizehints.x = 100;
        !           187:     sizehints.y = 300;
        !           188: 
        !           189:     if( geostr != NULL ) {
        !           190:          flags = XParseGeometry(geostr, &x, &y, &width, &height);
        !           191:          if(WidthValue & flags) {
        !           192:                sizehints.flags |= USSize;
        !           193:                sizehints.width = width;
        !           194:                XtSetArg(arglist[argCount], XtNwidth, width);
        !           195:                argCount++;
        !           196:          }
        !           197:          if(HeightValue & flags) {
        !           198:                sizehints.flags |= USSize;
        !           199:                sizehints.height = height;
        !           200:                XtSetArg(arglist[argCount], XtNheight, height);
        !           201:                argCount++;
        !           202:          }
        !           203:          if(XValue & flags) {
        !           204:            if(XNegative & flags)
        !           205:              x = DisplayWidth(dpy, DefaultScreen(dpy)) + x 
        !           206:                - sizehints.width;
        !           207:            sizehints.flags |= USPosition;
        !           208:            sizehints.x = x;
        !           209:            XtSetArg(arglist[argCount], XtNx, x);
        !           210:            argCount++;
        !           211:          }
        !           212:          if(YValue & flags) {
        !           213:            if(YNegative & flags)
        !           214:              y = DisplayHeight(dpy, DefaultScreen(dpy)) + y
        !           215:                -sizehints.height;
        !           216:            sizehints.flags |= USPosition;
        !           217:            sizehints.y = y;
        !           218:            XtSetArg(arglist[argCount], XtNy, y);
        !           219:            argCount++;
        !           220:          }
        !           221:     }
        !           222:     
        !           223:     win = XtCreateClock(dpy, DefaultRootWindow(dpy),
        !           224:                arglist, argCount);
        !           225:     XtMakeMaster(dpy, win);
        !           226:     
        !           227:     XSetStandardProperties ( dpy, win, "xclock","Clock", 
        !           228:                    XCreateBitmapFromData(dpy, DefaultRootWindow(dpy), 
        !           229:                               clock_bits, clock_width, clock_height),
        !           230:                            argv, argc, &sizehints);
        !           231:     oldwmhints = XGetWMHints(dpy, win);
        !           232:     if (oldwmhints) {
        !           233:         wmhints = *oldwmhints;
        !           234:         free((char *)oldwmhints);
        !           235:     } else wmhints.flags = 0;
        !           236:     wmhints.flags |= InputHint /*| StateHint */;
        !           237:     wmhints.input = FALSE;
        !           238: /*  wmhints.initial_state = IconicState; */
        !           239:     XSetWMHints( dpy, win, &wmhints);
        !           240:     XMapWindow(dpy, win);                          /* Map window to screen */
        !           241:     for(;;) {
        !           242:        XEvent event;
        !           243:          
        !           244:        XtNextEvent(dpy, &event);
        !           245:        (void) XtDispatchEvent(&event);
        !           246:     }
        !           247: }

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