wmtime/wmtime/wmtime.c

   1 /*
   2         Code based on wmppp/wmifs
   3
   4         [Orig WMMON comments]
   5
   6         This code was mainly put together by looking at the
   7         following programs:
   8
   9         asclock
  10                 A neat piece of equip, used to display the date
  11                 and time on the screen.
  12                 Comes with every AfterStep installation.
  13
  14                 Source used:
  15                         How do I create a not so solid window?
  16                         How do I open a window?
  17                         How do I use pixmaps?
  18
  19         ------------------------------------------------------------
  20
  21         Author: Martijn Pieterse (pieterse@xs4all.nl)
  22
  23         This program is distributed under the GPL license.
  24         (as were asclock and pppstats)
  25
  26         ----
  27         Changes:
  28         ----
  29    15/07/2008 (Paul Harris, harris.pc@gmail.com)
  30       * Minor changes to correct build warnings
  31         09/10/2003 (Simon Law, sfllaw@debian.org)
  32                 * Add -geometry support
  33                 * Add -noseconds support
  34                 * Make the digital clock fill the space provided
  35                 * Eliminated exploitable static buffers
  36         17/05/1998 (Antoine Nulle, warp@xs4all.nl)
  37                 * Updated version number and some other minor stuff
  38         16/05/1998 (Antoine Nulle, warp@xs4all.nl)
  39                 * Added Locale support, based on original diff supplied
  40                   by Alen Salamun (snowman@hal9000.medinet.si)
  41         04/05/1998 (Martijn Pieterse, pieterse@xs4all.nl)
  42                 * Moved the hands one pixel down.
  43                 * Removed the RedrawWindow out of the main loop
  44         02/05/1998 (Martijn Pieterse, pieterse@xs4all.nl)
  45                 * Removed a lot of code that was in the wmgeneral dir.
  46         02/05/1998 (Antoine Nulle, warp@xs4all.nl)
  47                 * Updated master-xpm, hour dots where a bit 'off'
  48         30/04/1998 (Martijn Pieterse, pieterse@xs4all.nl)
  49                 * Added anti-aliased hands
  50         23/04/1998 (Martijn Pieterse, pieterse@xs4all.nl)
  51                 * Changed the hand lengths.. again! ;)
  52                 * Zombies were created, so added wait code
  53         21/04/1998 (Martijn Pieterse, pieterse@xs4all.nl)
  54                 * Added digital/analog switching support
  55         18/04/1998 (Martijn Pieterse, pieterse@xs4all.nl)
  56                 * Started this project.
  57                 * Copied the source from wmmon.
  58 */
  59
  60 #define _GNU_SOURCE
  61 #include <stdlib.h>
  62 #include <stdio.h>
  63 #include <time.h>
  64 #include <string.h>
  65 #include <fcntl.h>
  66 #include <unistd.h>
  67 #include <math.h>
  68 #include <locale.h>
  69 #include <langinfo.h>
  70 #include <iconv.h>
  71 #include <ctype.h>
  72
  73 #include <sys/wait.h>
  74 #include <sys/param.h>
  75 #include <sys/types.h>
  76
  77 #include <X11/Xlib.h>
  78 #include <X11/xpm.h>
  79 #include <X11/extensions/shape.h>
  80
  81 #include "../wmgeneral/wmgeneral.h"
  82 #include "../wmgeneral/misc.h"
  83
  84 #include "wmtime-master.xpm"
  85 #include "wmtime-mask.xbm"
  86
  87   /***********/
  88  /* Defines */
  89 /***********/
  90
  91 const char* default_left_action = NULL;
  92 const char* default_middle_action = NULL;
  93 const char* default_right_action = NULL;
  94
  95 #define WMMON_VERSION "1.0b2"
  96
  97   /********************/
  98  /* Global Variables */
  99 /********************/
 100
 101 int             digital = 0;
 102 int             noseconds = 0;
 103 char    day_of_week[7][3] = { "SU", "MO", "TU", "WE", "TH", "FR", "SA" };
 104 char    mon_of_year[12][4] = { "JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC" };
 105
 106 /* functions */
 107 void usage(char *);
 108 void printversion(void);
 109
 110 void wmtime_routine(int, char **);
 111 void get_lang();
 112
 113 int main(int argc, char *argv[]) {
 114
 115         int             i;
 116         char    *name = argv[0];
 117
 118         for (i=1; i<argc; i++) {
 119                 char *arg = argv[i];
 120
 121                 if (*arg=='-') {
 122                         switch (arg[1]) {
 123                         case 'd' :
 124                                 if (strcmp(arg+1, "display")
 125                                     && strcmp(arg+1, "digital") && strcmp(arg+1, "d")) {
 126                                         usage(name);
 127                                         return 1;
 128                                 }
 129                                 if (!strcmp(arg+1, "digital") || !(strcmp(arg+1, "d")))
 130                                         digital = 1;
 131                                 break;
 132                         case 'g' :
 133                                 if (strcmp(arg+1, "geometry")) {
 134                                         usage(name);
 135                                         return 1;
 136                                 }
 137                                 break;
 138                         case 'n' :
 139                                 if (strcmp(arg+1, "noseconds") && strcmp(arg+1, "n")) {
 140                                         usage(name);
 141                                         return 1;
 142                                 } else {
 143                                         noseconds = 1;
 144                                 }
 145                                 break;
 146                         case 'v' :
 147                                 printversion();
 148                                 return 0;
 149                         default:
 150                                 usage(name);
 151                                 return 1;
 152                         }
 153                 }
 154         }
 155
 156         if (setlocale(LC_ALL, "") != NULL)
 157                 get_lang();
 158
 159         wmtime_routine(argc, argv);
 160         return 0;
 161 }
 162
 163 /************/
 164 /* get_lang */
 165 /************/
 166 void get_lang(void)
 167 {
 168         char langbuf[10], outbuf[10];
 169         char *inp, *outp;
 170         iconv_t icd;
 171         int i, ret;
 172         size_t insize, outsize;
 173
 174         icd = iconv_open("ASCII//TRANSLIT", nl_langinfo(CODESET));
 175         if (icd < 0)
 176                 return;
 177
 178         for (i = 0; i < 7; i++) {
 179                 strncpy(langbuf, nl_langinfo(ABDAY_1 + i), 10);
 180                 insize = outsize = 10;
 181                 inp = langbuf;
 182                 outp = outbuf;
 183                 do {
 184                         ret = iconv(icd, &inp, &insize, &outp, &outsize);
 185                 } while (outsize > 0 && ret > 0);
 186                 for (outp = outbuf, outsize = 0; *outp != 0 && outsize < 2;
 187                     outp++, outsize++)
 188                         day_of_week[i][outsize] = toupper(*outp);
 189         }
 190         for (i = 0; i < 12; i++) {
 191                 strncpy(langbuf, nl_langinfo(ABMON_1 + i), 10);
 192                 insize = outsize = 10;
 193                 inp = langbuf;
 194                 outp = outbuf;
 195                 do {
 196                         ret = iconv(icd, &inp, &insize, &outp, &outsize);
 197                 } while (outsize > 0 && ret > 0);
 198                 for (outp = outbuf, outsize = 0; *outp != 0 && outsize < 3;
 199                     outp++, outsize++)
 200                         mon_of_year[i][outsize] = toupper(*outp);
 201         }
 202
 203         iconv_close(icd);
 204 }
 205
 206 /*******************************************************************************\
 207 |* wmtime_routine                                                                                                                          *|
 208 \*******************************************************************************/
 209
 210 char            *left_action = NULL;
 211 char            *right_action = NULL;
 212 char            *middle_action = NULL;
 213
 214 void DrawTime(int, int, int);
 215 void DrawWijzer(int, int, int);
 216 void DrawDate(int, int, int);
 217
 218 void wmtime_routine(int argc, char **argv) {
 219
 220         rckeys          wmtime_keys[] = {
 221                 { "left", &left_action },
 222                 { "right", &right_action },
 223                 { "middle", &middle_action },
 224                 { NULL, NULL }
 225         };
 226
 227         int                     i;
 228         XEvent          Event;
 229         int                     but_stat = -1;
 230
 231         struct tm       *time_struct;
 232         struct tm       old_time_struct;
 233
 234         long            starttime;
 235         long            curtime;
 236         long            nexttime;
 237
 238         char            *conffile = NULL;
 239
 240         /* Scan through ~/.wmtimerc for the mouse button actions. */
 241         if (default_left_action) left_action = strdup(default_left_action);
 242         if (default_middle_action) middle_action = strdup(default_middle_action);
 243         if (default_right_action) right_action = strdup(default_right_action);
 244
 245         /* Scan through the .rc files */
 246         if (asprintf(&conffile, "/etc/wmtimerc") >= 0) {
 247                 parse_rcfile(conffile, wmtime_keys);
 248                 free(conffile);
 249         }
 250
 251         if (asprintf(&conffile, "%s/.wmtimerc", getenv("HOME")) >= 0) {
 252                 parse_rcfile(conffile, wmtime_keys);
 253                 free(conffile);
 254         }
 255
 256         if (asprintf(&conffile, "/etc/wmtimerc.fixed") >= 0) {
 257                 parse_rcfile(conffile, wmtime_keys);
 258                 free(conffile);
 259         }
 260
 261         openXwindow(argc, argv, wmtime_master_xpm, wmtime_mask_bits, 128, 64);
 262
 263         /* Mask out the right parts of the clock */
 264         copyXPMArea(0, 0, 128, 64, 0, 98);   /* Draw the borders */
 265         copyXPMArea(0, 0, 64, 64, 64, 0);    /* Draw the clock face */
 266         copyXPMArea(64, 98, 64, 64, 0, 0);   /* Draw the LCD background */
 267         setMaskXY(0, 0);
 268
 269     /* add mouse region */
 270         AddMouseRegion(0, 5, 48, 58, 60);
 271         AddMouseRegion(1, 5, 5, 58, 46);
 272
 273         starttime = time(0);
 274         nexttime = starttime + 1;
 275
 276         curtime = time(0);
 277         time_struct = localtime(&curtime);
 278
 279         while (1) {
 280                 curtime = time(0);
 281
 282                 waitpid(0, NULL, WNOHANG);
 283
 284                 old_time_struct = *time_struct;
 285                 time_struct = localtime(&curtime);
 286
 287
 288                 if (curtime >= starttime) {
 289                         if (!digital) {
 290                                 /* Now to update the seconds */
 291
 292                                 DrawWijzer(time_struct->tm_hour, time_struct->tm_min, time_struct->tm_sec);
 293
 294                                 DrawDate(time_struct->tm_wday, time_struct->tm_mday, time_struct->tm_mon);
 295
 296                         } else {
 297
 298                                 DrawTime(time_struct->tm_hour, time_struct->tm_min, time_struct->tm_sec);
 299
 300                                 DrawDate(time_struct->tm_wday, time_struct->tm_mday, time_struct->tm_mon);
 301                         }
 302                         RedrawWindow();
 303                 }
 304
 305
 306                 while (XPending(display)) {
 307                         XNextEvent(display, &Event);
 308                         switch (Event.type) {
 309                         case Expose:
 310                                 RedrawWindow();
 311                                 break;
 312                         case DestroyNotify:
 313                                 XCloseDisplay(display);
 314                                 exit(0);
 315                                 break;
 316                         case ButtonPress:
 317                                 but_stat = CheckMouseRegion(Event.xbutton.x, Event.xbutton.y);
 318                                 break;
 319                         case ButtonRelease:
 320                                 i = CheckMouseRegion(Event.xbutton.x, Event.xbutton.y);
 321                                 if (but_stat == i && but_stat >= 0) {
 322                                         switch (but_stat) {
 323                                         case 0:
 324                                                 digital = 1-digital;
 325
 326                                                 if (digital) {
 327                                                         copyXPMArea(64, 98, 64, 64, 0, 0);
 328                                                         DrawTime(time_struct->tm_hour, time_struct->tm_min, time_struct->tm_sec);
 329                                                         DrawDate(time_struct->tm_wday, time_struct->tm_mday, time_struct->tm_mon);
 330                                                 } else {
 331                                                         copyXPMArea(0, 98, 64, 64, 0, 0);
 332                                                         DrawWijzer(time_struct->tm_hour, time_struct->tm_min, time_struct->tm_sec);
 333                                                         DrawDate(time_struct->tm_wday, time_struct->tm_mday, time_struct->tm_mon);
 334                                                 }
 335                                                 RedrawWindow();
 336                                                 break;
 337                                         case 1:
 338                                                 switch (Event.xbutton.button) {
 339                                                 case 1:
 340                                                         if (left_action)
 341                                                                 execCommand(left_action);
 342                                                         break;
 343                                                 case 2:
 344                                                         if (middle_action)
 345                                                                 execCommand(middle_action);
 346                                                         break;
 347                                                 case 3:
 348                                                         if (right_action)
 349                                                                 execCommand(right_action);
 350                                                         break;
 351                                                 }
 352                                         }
 353                                 }
 354                                 break;
 355                         }
 356                 }
 357
 358                 /* Sleep 0.3 seconds */
 359                 usleep(300000L);
 360         }
 361 }
 362
 363 /*******************************************************************************\
 364 |* DrawTime                                                                                                                                        *|
 365 \*******************************************************************************/
 366
 367 void DrawTime(int hr, int min, int sec) {
 368         const int time_size = 16;
 369         char    time[time_size];
 370         char    *p = time;
 371         int             i,j,k=6;
 372         int numfields;
 373
 374         /* 7x13 */
 375
 376         if (noseconds) {
 377                 snprintf(time, time_size, "%02d:%02d ", hr, min);
 378                 numfields = 2;
 379         }
 380         else {
 381                 snprintf(time, time_size, "%02d:%02d:%02d ", hr, min, sec);
 382                 numfields = 3;
 383         }
 384
 385         for (i=0; i < numfields; i++) {
 386                 for (j=0; j<2; j++) {
 387                         copyXPMArea((*p-'0')*7 + 1, 84, 8, 13, k, 18);
 388                         k += 7;
 389                         p++;
 390                 }
 391                 if (*p == ':') {
 392                         copyXPMArea(71, 84, 5, 13, k, 18);
 393                         k += 4;
 394                         p++;
 395                 }
 396         }
 397 }
 398
 399 /*******************************************************************************\
 400 |* DrawDate                                                                                                                                        *|
 401 \*******************************************************************************/
 402
 403 void DrawDate(int wkday, int dom, int month) {
 404         const int date_size = 16;
 405         char    date[date_size];
 406         char    *p = date;
 407         int             i,k;
 408
 409         /* 7x13 */
 410
 411         snprintf(date, date_size,
 412                         "%.2s%02d%.3s  ", day_of_week[wkday], dom, mon_of_year[month]);
 413
 414         k = 5;
 415         for (i=0; i<2; i++) {
 416                 copyXPMArea((*p-'A')*6, 74, 6, 9, k, 49);
 417                 k += 6;
 418                 p++;
 419         }
 420         k = 23;
 421         for (i=0; i<2; i++) {
 422                 copyXPMArea((*p-'0')*6, 64, 6, 9, k, 49);
 423                 k += 6;
 424                 p++;
 425         }
 426         copyXPMArea(61, 64, 4, 9, k, 49);
 427         k += 4;
 428         for (i=0; i<3; i++) {
 429                 copyXPMArea((*p-'A')*6, 74, 6, 9, k, 49);
 430                 k += 6;
 431                 p++;
 432         }
 433 }
 434
 435 /*******************************************************************************\
 436 |* DrawWijzer                                                                                                                              *|
 437 \*******************************************************************************/
 438
 439 void DrawWijzer(int hr, int min, int sec) {
 440
 441         double          psi;
 442         int                     dx,dy;
 443         int                     x,y;
 444         int                     ddx,ddy;
 445         int                     adder;
 446         int                     k;
 447
 448         int                     i;
 449
 450         hr %= 12;
 451
 452         copyXPMArea(5+64, 5, 54, 40, 5, 5);
 453
 454         /**********************************************************************/
 455         psi = hr * (M_PI / 6.0);
 456         psi += min * (M_PI / 360);
 457
 458         dx = floor(sin(psi) * 22 * 0.7 + 0.5);
 459         dy = floor(-cos(psi) * 16 * 0.7 + 0.5);
 460
 461         // dx, dy is het punt waar we naar toe moeten.
 462         // Zoek alle punten die ECHT op de lijn liggen:
 463
 464         ddx = 1;
 465         ddy = 1;
 466         if (dx < 0) ddx = -1;
 467         if (dy < 0) ddy = -1;
 468
 469         x = 0;
 470         y = 0;
 471
 472         if (abs(dx) > abs(dy)) {
 473                 if (dy != 0)
 474                         adder = abs(dx) / 2;
 475                 else
 476                         adder = 0;
 477                 for (i=0; i<abs(dx); i++) {
 478                         // laat de kleur afhangen van de adder.
 479                         // adder loopt van abs(dx) tot 0
 480
 481                         k = 12 - adder / (abs(dx) / 12.0);
 482                         copyXPMArea(79+k, 67, 1, 1, x + 31, y + 24 - ddy);
 483
 484                         copyXPMArea(79, 67, 1, 1, x + 31, y + 24);
 485
 486                         k = 12-k;
 487                         copyXPMArea(79+k, 67, 1, 1, x + 31, y + 24 + ddy);
 488
 489
 490                         x += ddx;
 491
 492                         adder -= abs(dy);
 493                         if (adder < 0) {
 494                                 adder += abs(dx);
 495                                 y += ddy;
 496                         }
 497                 }
 498         } else {
 499                 if (dx != 0)
 500                         adder = abs(dy) / 2;
 501                 else
 502                         adder = 0;
 503                 for (i=0; i<abs(dy); i++) {
 504                         k = 12 - adder / (abs(dy) / 12.0);
 505                         copyXPMArea(79+k, 67, 1, 1, x + 31 - ddx, y + 24);
 506
 507                         copyXPMArea(79, 67, 1, 1, x + 31, y + 24);
 508
 509                         k = 12-k;
 510                         copyXPMArea(79+k, 67, 1, 1, x + 31 + ddx, y + 24);
 511
 512                         y += ddy;
 513
 514                         adder -= abs(dx);
 515                         if (adder < 0) {
 516                                 adder += abs(dy);
 517                                 x += ddx;
 518                         }
 519                 }
 520         }
 521         /**********************************************************************/
 522         psi = min * (M_PI / 30.0);
 523         psi += sec * (M_PI / 1800);
 524
 525         dx = floor(sin(psi) * 22 * 0.55 + 0.5);
 526         dy = floor(-cos(psi) * 16 * 0.55 + 0.5);
 527
 528         // dx, dy is het punt waar we naar toe moeten.
 529         // Zoek alle punten die ECHT op de lijn liggen:
 530
 531         dx += dx;
 532         dy += dy;
 533
 534         ddx = 1;
 535         ddy = 1;
 536         if (dx < 0) ddx = -1;
 537         if (dy < 0) ddy = -1;
 538
 539         x = 0;
 540         y = 0;
 541
 542         if (abs(dx) > abs(dy)) {
 543                 if (dy != 0)
 544                         adder = abs(dx) / 2;
 545                 else
 546                         adder = 0;
 547                 for (i=0; i<abs(dx); i++) {
 548                         // laat de kleur afhangen van de adder.
 549                         // adder loopt van abs(dx) tot 0
 550
 551                         k = 12 - adder / (abs(dx) / 12.0);
 552                         copyXPMArea(79+k, 67, 1, 1, x + 31, y + 24 - ddy);
 553
 554                         copyXPMArea(79, 67, 1, 1, x + 31, y + 24);
 555
 556                         k = 12-k;
 557                         copyXPMArea(79+k, 67, 1, 1, x + 31, y + 24 + ddy);
 558
 559
 560                         x += ddx;
 561
 562                         adder -= abs(dy);
 563                         if (adder < 0) {
 564                                 adder += abs(dx);
 565                                 y += ddy;
 566                         }
 567                 }
 568         } else {
 569                 if (dx != 0)
 570                         adder = abs(dy) / 2;
 571                 else
 572                         adder = 0;
 573                 for (i=0; i<abs(dy); i++) {
 574                         k = 12 - adder / (abs(dy) / 12.0);
 575                         copyXPMArea(79+k, 67, 1, 1, x + 31 - ddx, y + 24);
 576
 577                         copyXPMArea(79, 67, 1, 1, x + 31, y + 24);
 578
 579                         k = 12-k;
 580                         copyXPMArea(79+k, 67, 1, 1, x + 31 + ddx, y + 24);
 581
 582                         y += ddy;
 583
 584                         adder -= abs(dx);
 585                         if (adder < 0) {
 586                                 adder += abs(dy);
 587                                 x += ddx;
 588                         }
 589                 }
 590         }
 591         /**********************************************************************/
 592         if (noseconds)
 593                 return;    /* Skip drawing the seconds. */
 594
 595         psi = sec * (M_PI / 30.0);
 596
 597         dx = floor(sin(psi) * 22 * 0.9 + 0.5);
 598         dy = floor(-cos(psi) * 16 * 0.9 + 0.5);
 599
 600         // dx, dy is het punt waar we naar toe moeten.
 601         // Zoek alle punten die ECHT op de lijn liggen:
 602
 603         ddx = 1;
 604         ddy = 1;
 605         if (dx < 0) ddx = -1;
 606         if (dy < 0) ddy = -1;
 607
 608         if (dx == 0) ddx = 0;
 609         if (dy == 0) ddy = 0;
 610
 611         x = 0;
 612         y = 0;
 613
 614
 615         if (abs(dx) > abs(dy)) {
 616                 if (dy != 0)
 617                         adder = abs(dx) / 2;
 618                 else
 619                         adder = 0;
 620                 for (i=0; i<abs(dx); i++) {
 621                         // laat de kleur afhangen van de adder.
 622                         // adder loopt van abs(dx) tot 0
 623
 624                         k = 12 - adder / (abs(dx) / 12.0);
 625                         copyXPMArea(79+k, 70, 1, 1, x + 31, y + 24 - ddy);
 626
 627                         k = 12-k;
 628                         copyXPMArea(79+k, 70, 1, 1, x + 31, y + 24);
 629
 630
 631                         x += ddx;
 632
 633                         adder -= abs(dy);
 634                         if (adder < 0) {
 635                                 adder += abs(dx);
 636                                 y += ddy;
 637                         }
 638                 }
 639         } else {
 640                 if (dx != 0)
 641                         adder = abs(dy) / 2;
 642                 else
 643                         adder = 0;
 644                 for (i=0; i<abs(dy); i++) {
 645                         k = 12 - adder / (abs(dy) / 12.0);
 646                         copyXPMArea(79+k, 70, 1, 1, x + 31 - ddx, y + 24);
 647
 648                         k = 12-k;
 649                         copyXPMArea(79+k, 70, 1, 1, x + 31, y + 24);
 650
 651                         y += ddy;
 652
 653                         adder -= abs(dx);
 654                         if (adder < 0) {
 655                                 adder += abs(dy);
 656                                 x += ddx;
 657                         }
 658                 }
 659         }
 660 }
 661
 662 /*******************************************************************************\
 663 |* usage                                                                                                                                           *|
 664 \*******************************************************************************/
 665
 666 void usage(char *name) {
 667         printf("Usage: %s [OPTION]...\n", name);
 668         printf("WindowMaker dockapp that displays the time and date.\n");
 669         printf("\n");
 670         printf("  -d, -digital         display the digital clock\n");
 671         printf("  -display DISPLAY     contact the DISPLAY X server\n");
 672         printf("  -geometry GEOMETRY   position the clock at GEOMETRY\n");
 673         printf("  -n, -noseconds       disables the second hand\n");
 674         printf("  -h                   display this help and exit\n");
 675         printf("  -v                   output version information and exit\n");
 676 }
 677
 678 /*******************************************************************************\
 679 |* printversion                                                                                                                            *|
 680 \*******************************************************************************/
 681
 682 void printversion(void) {
 683         printf("WMTime version %s\n", WMMON_VERSION);
 684 }
 685
 686 /* vim: sw=4 ts=4 columns=82
 687  */