wmcdplay/wmcdplay.cc

   1 // wmcdplay - A cd player designed for WindowMaker
   2 // Copyright (C) 1998  Sam Hawker <shawkie@geocities.com>
   3 // This software comes with ABSOLUTELY NO WARRANTY
   4 // This software is free software, and you are welcome to redistribute it
   5 // under certain conditions
   6 // See the README file for a more complete notice.
   7
   8
   9 // Defines, includes and global variables
  10 // --------------------------------------
  11
  12 // User defines - standard
  13 #define WINDOWMAKER false
  14 #define USESHAPE    false
  15 #define AFTERSTEP   false
  16 #define NORMSIZE    64
  17 #define ASTEPSIZE   56
  18 #define NAME        "wmcdplay"
  19 #define CLASS       "WMCDPlay"
  20
  21 // User defines - custom
  22 #define CDDEV       "/dev/cdrom"
  23 #define BACKCOLOR   "#282828"
  24 #define LEDCOLOR    "green"
  25 #define POSRELABS 0            // 0=relative position, 1=absolute position
  26 #define UINTERVAL_N 1          // 20ths of a second
  27 #define UINTERVAL_E 20         // 20ths of a second
  28
  29 // Includes - standard
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <unistd.h>
  34
  35 // Includes - custom
  36 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
  37 #include "cdctl_freebsd.h"
  38 #else
  39 #include "cdctl.h"
  40 #endif
  41
  42 // X-Windows includes - standard
  43 #include <X11/X.h>
  44 #include <X11/Xlib.h>
  45 #include <X11/Xutil.h>
  46 #include <X11/Xproto.h>
  47 #include <X11/xpm.h>
  48 #include <X11/extensions/shape.h>
  49
  50 // Pixmaps - standard
  51 Pixmap pm_tile;
  52 Pixmap pm_disp;
  53 Pixmap pm_mask;
  54
  55 // Pixmaps - artwork
  56 Pixmap pm_cd;
  57 Pixmap pm_cdmask;
  58 Pixmap pm_sym;
  59 Pixmap pm_symmask;
  60 Pixmap pm_led;
  61 Pixmap pm_sled;
  62 Pixmap pm_tled;
  63
  64 // Xpm images - standard
  65 #include "XPM/tile.xpm"
  66
  67 // Xpm images - artwork
  68 #include "XPM/standard.art"
  69
  70 // Variables for command-line arguments - standard
  71 bool wmaker=WINDOWMAKER;
  72 bool ushape=USESHAPE;
  73 bool astep=AFTERSTEP;
  74 char display[256]="";
  75 char position[256]="";
  76 int winsize;
  77
  78 // Variables for command-line arguments - custom
  79 char cddev[256]=CDDEV;
  80 char backcolor[256]=BACKCOLOR;
  81 char ledcolor[256]=LEDCOLOR;
  82 bool artwrk=false;
  83 char artwrkf[256]="";
  84 int tsel=1;
  85 int vol=-1;         // -1 means don't set volume
  86 int uinterval_e=UINTERVAL_E;
  87
  88 // X-Windows basics - standard
  89 Atom _XA_GNUSTEP_WM_FUNC;
  90 Atom deleteWin;
  91 Display *d_display;
  92 Window w_icon;
  93 Window w_main;
  94 Window w_root;
  95 Window w_activewin;
  96
  97 // X-Windows basics - custom
  98 GC gc_gc, gc_bitgc;
  99 unsigned long color[4];
 100
 101
 102 // Misc custom global variables
 103 // ----------------------------
 104
 105 // For artwork loading
 106 int **art_btnlist;
 107 int *art_btnptr;
 108 int *art_actptr;
 109 int art_symsize[2];
 110 int art_ledsize[6];
 111
 112 int mode=-1, track=-1, pos=-1;
 113 int tdisplay=POSRELABS;
 114 int ucount=0;
 115 char trackstr[8]="";
 116 char timestr[8]="";
 117 char chrset[]="00112233445566778899  DDAATTNNOOCC--PPEE:;_";
 118
 119 CDCtl *cdctl;
 120
 121
 122 // Procedures and functions
 123 // ------------------------
 124
 125 // Procedures and functions - standard
 126 void initXWin(int argc, char **argv);
 127 void freeXWin();
 128 void createWin(Window *win, int x, int y);
 129 unsigned long getColor(char *colorname);
 130 unsigned long mixColor(char *colorname1, int prop1, char *colorname2, int prop2);
 131
 132 // Procedures and functions - custom
 133 void scanArgs(int argc, char **argv);
 134 void checkStatus(bool forced);
 135 void pressEvent(XButtonEvent *xev);
 136 void repaint();
 137 void update();
 138 void drawText(int x, int y, char *text);
 139
 140 // Procedures and functions - artwork basics
 141 bool readArtwork(char *artfilen);
 142 char *readBlock(FILE *dfile);
 143 int arrayItems(char *buf);
 144 void readArrayInt(char *buf, int *array, int n);
 145 void readArrayBool(char *buf, bool *array, int n);
 146
 147 // Procedures and functions - artwork specials
 148 void createPixmap(const char **data, char *buf, Pixmap *image, Pixmap *mask, int *width, int *height);
 149 void setBtnList(int *bset);
 150 bool inPolygon(int *points, int px, int py);
 151
 152
 153 // Implementation
 154 // --------------
 155
 156 int main(int argc, char **argv)
 157 {
 158    scanArgs(argc, argv);
 159    initXWin(argc, argv);
 160
 161    color[0]=mixColor(ledcolor, 0, backcolor, 100);
 162    color[1]=mixColor(ledcolor, 100, backcolor, 0);
 163    color[2]=mixColor(ledcolor, 60, backcolor, 40);
 164    color[3]=mixColor(ledcolor, 25, backcolor, 75);
 165
 166    if(artwrk)
 167       artwrk=readArtwork(artwrkf);
 168    if(!artwrk){
 169       int w, h;
 170       createPixmap(cdplayer_xpm, NULL, &pm_cd, &pm_cdmask, NULL, NULL);
 171       createPixmap(symbols_xpm, NULL, &pm_sym, &pm_symmask, &w, &h);
 172       art_symsize[0]=(w+1)/11-1;
 173       art_symsize[1]=h;
 174       createPixmap(led_xpm, NULL, &pm_led, NULL, &w, &h);
 175       art_ledsize[0]=(w+1)/strlen(chrset)-1;
 176       art_ledsize[1]=h;
 177       createPixmap(ledsym_xpm, NULL, &pm_sled, NULL, &w, &h);
 178       art_ledsize[2]=(w+1)/6-1;
 179       art_ledsize[3]=h;
 180       createPixmap(ledtsel_xpm, NULL, &pm_tled, NULL, &w, &h);
 181       art_ledsize[4]=(w+1)/5-1;
 182       art_ledsize[5]=h;
 183       art_btnptr=art_btns;
 184       art_actptr=art_actions;
 185    }
 186    setBtnList(art_btnptr);
 187    createPixmap(tile_xpm, NULL, &pm_tile, NULL, NULL, NULL);
 188    pm_disp = XCreatePixmap(d_display, w_root, 64, 64, DefaultDepth(d_display, DefaultScreen(d_display)));
 189    pm_mask = XCreatePixmap(d_display, w_root, 64, 64, 1);
 190
 191    XGCValues gcv;
 192    unsigned long gcm;
 193    gcm=GCGraphicsExposures;
 194    gcv.graphics_exposures=false;
 195    gc_gc=XCreateGC(d_display, w_root, gcm, &gcv);
 196    gc_bitgc=XCreateGC(d_display, pm_mask, gcm, &gcv);
 197
 198    cdctl=new CDCtl(cddev);
 199
 200    if(!cdctl->openOK())
 201       fprintf(stderr, "%s : Unable to open cdrom device '%s'.\n", NAME, cddev);
 202    else{
 203       if(vol!=-1)
 204          cdctl->setVolume(vol, vol);
 205       int tsels[] = { tsNone, tsNext, tsRepeat, tsRepeatCD, tsRandom };
 206       cdctl->setTrackSelection(tsels[tsel]);
 207
 208       checkStatus(true);
 209
 210       XEvent xev;
 211       XSelectInput(d_display, w_activewin, ButtonPress | ExposureMask);
 212       XMapWindow(d_display, w_main);
 213
 214       bool done=false;
 215       while(!done){
 216          while(XPending(d_display)){
 217             XNextEvent(d_display, &xev);
 218             switch(xev.type){
 219              case Expose:
 220                 repaint();
 221              break;
 222              case ButtonPress:
 223                 pressEvent(&xev.xbutton);
 224              break;
 225              case ClientMessage:
 226                 if((Atom) xev.xclient.data.l[0]==deleteWin)
 227                    done=true;
 228              break;
 229             }
 230          }
 231          ucount++;
 232          if(ucount>=((mode==ssNoCD || mode==ssTrayOpen) ? uinterval_e : UINTERVAL_N))
 233             checkStatus(false);
 234          XFlush(d_display);
 235          usleep(50000);
 236       }
 237    }
 238    XFreeGC(d_display, gc_gc);
 239    XFreeGC(d_display, gc_bitgc);
 240    XFreePixmap(d_display, pm_tile);
 241    XFreePixmap(d_display, pm_disp);
 242    XFreePixmap(d_display, pm_mask);
 243    XFreePixmap(d_display, pm_cd);
 244    XFreePixmap(d_display, pm_cdmask);
 245    XFreePixmap(d_display, pm_sym);
 246    XFreePixmap(d_display, pm_symmask);
 247    XFreePixmap(d_display, pm_led);
 248    XFreePixmap(d_display, pm_sled);
 249    XFreePixmap(d_display, pm_tled);
 250    freeXWin();
 251    if(artwrk){
 252       free(art_btnptr);
 253       free(art_actptr);
 254    }
 255    free(art_btnlist);
 256    delete cdctl;
 257    return 0;
 258 }
 259
 260 void initXWin(int argc, char **argv){
 261    winsize=astep ? ASTEPSIZE : NORMSIZE;
 262
 263    if((d_display=XOpenDisplay(display))==NULL){
 264       fprintf(stderr,"%s : Unable to open X display '%s'.\n", NAME, XDisplayName(display));
 265       exit(1);
 266    }
 267    _XA_GNUSTEP_WM_FUNC=XInternAtom(d_display, "_GNUSTEP_WM_FUNCTION", false);
 268    deleteWin=XInternAtom(d_display, "WM_DELETE_WINDOW", false);
 269
 270    w_root=DefaultRootWindow(d_display);
 271
 272    XWMHints wmhints;
 273    XSizeHints shints;
 274    shints.x=0;
 275    shints.y=0;
 276    shints.flags=0;
 277    bool pos=(XWMGeometry(d_display, DefaultScreen(d_display), position, NULL, 0, &shints, &shints.x, &shints.y,
 278       &shints.width, &shints.height, &shints.win_gravity) & (XValue | YValue));
 279    shints.min_width=winsize;
 280    shints.min_height=winsize;
 281    shints.max_width=winsize;
 282    shints.max_height=winsize;
 283    shints.base_width=winsize;
 284    shints.base_height=winsize;
 285    shints.flags=PMinSize | PMaxSize | PBaseSize;
 286
 287    createWin(&w_main, shints.x, shints.y);
 288
 289    if(wmaker || astep || pos)
 290       shints.flags |= USPosition;
 291    if(wmaker){
 292       wmhints.initial_state=WithdrawnState;
 293       wmhints.flags=WindowGroupHint | StateHint | IconWindowHint;
 294       createWin(&w_icon, shints.x, shints.y);
 295       w_activewin=w_icon;
 296       wmhints.icon_window=w_icon;
 297    }
 298    else{
 299       wmhints.initial_state=NormalState;
 300       wmhints.flags=WindowGroupHint | StateHint;
 301       w_activewin=w_main;
 302    }
 303    wmhints.window_group=w_main;
 304    XSetWMHints(d_display, w_main, &wmhints);
 305    XSetWMNormalHints(d_display, w_main, &shints);
 306    XSetCommand(d_display, w_main, argv, argc);
 307    XStoreName(d_display, w_main, NAME);
 308    XSetIconName(d_display, w_main, NAME);
 309    XSetWMProtocols(d_display, w_activewin, &deleteWin, 1);
 310 }
 311
 312 void freeXWin(){
 313    XDestroyWindow(d_display, w_main);
 314    if(wmaker)
 315       XDestroyWindow(d_display, w_icon);
 316    XCloseDisplay(d_display);
 317 }
 318
 319 void createWin(Window *win, int x, int y){
 320    XClassHint classHint;
 321    *win=XCreateSimpleWindow(d_display, w_root, x, y, winsize, winsize, 0, 0, 0);
 322    classHint.res_name=const_cast<char *>(NAME);
 323    classHint.res_class=const_cast<char *>(CLASS);
 324    XSetClassHint(d_display, *win, &classHint);
 325 }
 326
 327 unsigned long getColor(char *colorname){
 328    XColor color;
 329    XWindowAttributes winattr;
 330    XGetWindowAttributes(d_display, w_root, &winattr);
 331    color.pixel=0;
 332    XParseColor(d_display, winattr.colormap, colorname, &color);
 333    color.flags=DoRed | DoGreen | DoBlue;
 334    XAllocColor(d_display, winattr.colormap, &color);
 335    return color.pixel;
 336 }
 337
 338 unsigned long mixColor(char *colorname1, int prop1, char *colorname2, int prop2){
 339    XColor color, color1, color2;
 340    XWindowAttributes winattr;
 341    XGetWindowAttributes(d_display, w_root, &winattr);
 342    XParseColor(d_display, winattr.colormap, colorname1, &color1);
 343    XParseColor(d_display, winattr.colormap, colorname2, &color2);
 344    color.pixel=0;
 345    color.red=(color1.red*prop1+color2.red*prop2)/(prop1+prop2);
 346    color.green=(color1.green*prop1+color2.green*prop2)/(prop1+prop2);
 347    color.blue=(color1.blue*prop1+color2.blue*prop2)/(prop1+prop2);
 348    color.flags=DoRed | DoGreen | DoBlue;
 349    XAllocColor(d_display, winattr.colormap, &color);
 350    return color.pixel;
 351 }
 352
 353 void scanArgs(int argc, char **argv){
 354    for(int i=1;i<argc;i++){
 355       if(strcmp(argv[i], "-h")==0 || strcmp(argv[i], "-help")==0 || strcmp(argv[i], "--help")==0){
 356          fprintf(stderr, "wmcdplay - A cd player designed for WindowMaker\nRelease " VERSION "\n");
 357          fprintf(stderr, "Copyright (C) 1998  Sam Hawker <shawkie@geocities.com>\n");
 358          fprintf(stderr, "This software comes with ABSOLUTELY NO WARRANTY\n");
 359          fprintf(stderr, "This software is free software, and you are welcome to redistribute it\n");
 360          fprintf(stderr, "under certain conditions\n");
 361          fprintf(stderr, "See the README file for a more complete notice.\n\n");
 362          fprintf(stderr, "usage:\n\n   %s [options]\n\noptions:\n\n",argv[0]);
 363          fprintf(stderr, "   -h | -help | --help    display this help screen\n");
 364          fprintf(stderr, "   -w                     use WithdrawnState    (for WindowMaker)\n");
 365          fprintf(stderr, "   -s                     shaped window\n");
 366          fprintf(stderr, "   -a                     use smaller window    (for AfterStep Wharf)\n");
 367          fprintf(stderr, "   -f artwork_file        load the specified artwork file\n");
 368          fprintf(stderr, "   -t track_selection     set track selection   (between 0 and 4)\n");
 369          fprintf(stderr, "   -v volume              set the cdrom volume  (between 0 and 255)\n");
 370          fprintf(stderr, "   -i interval            interval in 1/20 seconds between cd polls when empty\n");
 371          fprintf(stderr, "   -l led_color           use the specified color for led displays\n");
 372          fprintf(stderr, "   -b back_color          use the specified color for backgrounds\n");
 373          fprintf(stderr, "   -d cd_device           use specified device  (rather than /dev/cdrom)\n");
 374          fprintf(stderr, "   -position position     set window position   (see X manual pages)\n");
 375          fprintf(stderr, "   -display display       select target display (see X manual pages)\n\n");
 376          exit(0);
 377       }
 378       if(strcmp(argv[i], "-w")==0)
 379          wmaker=!wmaker;
 380       if(strcmp(argv[i], "-s")==0)
 381          ushape=!ushape;
 382       if(strcmp(argv[i], "-a")==0)
 383          astep=!astep;
 384       if(strcmp(argv[i], "-t")==0){
 385          if(i<argc-1){
 386             i++;
 387             sscanf(argv[i], "%i", &tsel);
 388          }
 389          continue;
 390       }
 391       if(strcmp(argv[i], "-v")==0){
 392          if(i<argc-1){
 393             i++;
 394             sscanf(argv[i], "%i", &vol);
 395          }
 396          continue;
 397       }
 398       if(strcmp(argv[i], "-i")==0){
 399          if(i<argc-1){
 400             i++;
 401             sscanf(argv[i], "%i", &uinterval_e);
 402          }
 403          continue;
 404       }
 405       if(strcmp(argv[i], "-f")==0){
 406          artwrk=true;
 407          if(i<argc-1){
 408             i++;
 409             sprintf(artwrkf, "%s", argv[i]);
 410          }
 411          continue;
 412       }
 413       if(strcmp(argv[i], "-d")==0){
 414          if(i<argc-1){
 415             i++;
 416             sprintf(cddev, "%s", argv[i]);
 417          }
 418          continue;
 419       }
 420       if(strcmp(argv[i], "-l")==0){
 421          if(i<argc-1){
 422             i++;
 423             sprintf(ledcolor, "%s", argv[i]);
 424          }
 425          continue;
 426       }
 427       if(strcmp(argv[i], "-b")==0){
 428          if(i<argc-1){
 429             i++;
 430             sprintf(backcolor, "%s", argv[i]);
 431          }
 432          continue;
 433       }
 434       if(strcmp(argv[i], "-position")==0){
 435          if(i<argc-1){
 436             i++;
 437             sprintf(position, "%s", argv[i]);
 438          }
 439          continue;
 440       }
 441       if(strcmp(argv[i], "-display")==0){
 442          if(i<argc-1){
 443             i++;
 444             sprintf(display, "%s", argv[i]);
 445          }
 446          continue;
 447       }
 448    }
 449 }
 450
 451 void checkStatus(bool forced){
 452    ucount=0;
 453    int oldmode=mode;
 454    int oldpos=pos;
 455    int oldtrack=track;
 456
 457    cdctl->doStatus();
 458    mode=cdctl->getStatusState();
 459    track=cdctl->getStatusTrack();
 460
 461    if(mode==ssStopped){
 462       if(tdisplay==0)
 463          pos=0;
 464       if(tdisplay==1)
 465          pos=cdctl->getTrackStart(track);
 466    }
 467    if(mode==ssPlaying || mode==ssPaused){
 468       if(tdisplay==0)
 469          pos=cdctl->getStatusPosRel();
 470       if(tdisplay==1)
 471          pos=cdctl->getStatusPosAbs();
 472    }
 473
 474    bool umode=mode!=oldmode || forced;
 475    bool utrack=umode || (!(mode==ssNoCD || mode==ssTrayOpen) && track!=oldtrack);
 476    bool utimer=utrack || ((mode==ssPlaying || mode==ssPaused || mode==ssStopped) && (int)(pos/75)!=(int)(oldpos/75));
 477
 478    if(utimer){
 479       if(umode)
 480          update();
 481       if(utrack){
 482          if(mode==ssNoCD || mode==ssTrayOpen)
 483             sprintf(trackstr, "  ");
 484          else
 485             sprintf(trackstr, "%2d", cdctl->getStatusTrack());
 486          if(art_showled[1])
 487             drawText(art_ledpos[1][0], art_ledpos[1][1], trackstr);
 488       }
 489       if(mode==ssPlaying || mode==ssPaused || mode==ssStopped){
 490          int remain = 0;
 491          if(tdisplay==0)
 492             remain=cdctl->getTrackLen(cdctl->getStatusTrack())-pos;
 493          if(tdisplay==1)
 494             remain=cdctl->getCDLen()-pos;
 495          if(remain<2250)
 496             sprintf(timestr, " -;%02d", remain/75);
 497          else
 498             sprintf(timestr, "%2d:%02d", (pos/75)/60, (pos/75)%60);
 499       }
 500       if(art_showled[0])
 501          drawText(art_ledpos[0][0], art_ledpos[0][1], timestr);
 502       repaint();
 503    }
 504 }
 505
 506 void pressEvent(XButtonEvent *xev){
 507    int x=xev->x-(winsize/2-32);
 508    int y=xev->y-(winsize/2-32);
 509    int btn=-1;
 510    for(int i=0;i<art_nbtns;i++){
 511       if(inPolygon(&art_btnlist[i][2], x, y))
 512          btn=i;
 513    }
 514    if(btn==-1){
 515       if(art_showled[3]){
 516          if(x>=art_ledpos[3][0] && y>=art_ledpos[3][1] && x<=art_ledpos[3][0]+art_ledsize[4] && y<=art_ledpos[3][1]+art_ledsize[5]){
 517             int tsels[] = { tsNone, tsNext, tsRepeat, tsRepeatCD, tsRandom };
 518             tsel++;
 519             if(tsel>=5)
 520                tsel=0;
 521             cdctl->setTrackSelection(tsels[tsel]);
 522             XCopyArea(d_display, pm_tled, pm_disp, gc_gc, (art_ledsize[4]+1)*tsel, 0, art_ledsize[4], art_ledsize[5], art_ledpos[3][0], art_ledpos[3][1]);
 523             repaint();
 524             return;
 525          }
 526       }
 527       if(art_showled[0]){
 528          if(x>=art_ledpos[0][0] && y>=art_ledpos[0][1] && x<=art_ledpos[0][0]+(art_ledsize[0]+1)*9-1 && y<=art_ledpos[0][1]+art_ledsize[1]){
 529             tdisplay++;
 530             if(tdisplay>=2)
 531                tdisplay=0;
 532             checkStatus(false);
 533             return;
 534          }
 535       }
 536    }
 537    else{
 538       int action=art_actptr[6*btn+mode];
 539       int acmds[]={ acStop, acPlay, acPause, acResume, acPrev, acNext, acRewd, acFFwd, acEject, acClose };
 540       if(action>0){
 541          int acmd=acmds[action-1];
 542          cdctl->doAudioCommand(acmd);
 543          checkStatus(false);
 544       }
 545    }
 546 }
 547
 548 void repaint(){
 549    XCopyArea(d_display, pm_disp, w_activewin, gc_gc, 0, 0, 64, 64, winsize/2-32, winsize/2-32);
 550    XEvent xev;
 551    while(XCheckTypedEvent(d_display, Expose, &xev));
 552 }
 553
 554 void update(){
 555    if(mode==ssData)
 556       sprintf(timestr, "DA_TA");
 557    if(mode==ssNoCD)
 558       sprintf(timestr, "NO;CD");
 559    if(mode==ssTrayOpen)
 560       sprintf(timestr, "OP_EN");
 561
 562    XPoint mply[art_nbtns];
 563    if(pm_cdmask!=None){
 564       XSetForeground(d_display, gc_bitgc, 0);
 565       XCopyArea(d_display, pm_cdmask, pm_mask, gc_bitgc, 0, 0, 64, 64, 0, 0);
 566       for(int i=0; i<art_nbtns; i++){
 567          if(art_actptr[6*i+mode]==0 && art_hidebtns){
 568             for(int k=0;k<art_btnlist[i][2];k++){
 569                mply[k].x=art_btnlist[i][k*2+3];
 570                mply[k].y=art_btnlist[i][k*2+4];
 571             }
 572             XFillPolygon(d_display, pm_mask, gc_bitgc, (XPoint *)mply, art_btnlist[i][2], Convex, CoordModeOrigin);
 573          }
 574       }
 575       if(!(wmaker || ushape || astep)){
 576          XCopyArea(d_display, pm_tile, pm_disp, gc_gc, 0, 0, 64, 64, 0, 0);
 577          XSetClipMask(d_display, gc_gc, pm_mask);
 578       }
 579    }
 580    XCopyArea(d_display, pm_cd, pm_disp, gc_gc, 0, 0, 64, 64, 0, 0);
 581    if(pm_symmask!=None){
 582       XSetClipMask(d_display, gc_gc, pm_symmask);
 583       XSetClipMask(d_display, gc_bitgc, pm_symmask);
 584    }
 585    XSetForeground(d_display, gc_bitgc, 1);
 586    for(int i=0;i<art_nbtns;i++){
 587       if(!(art_actptr[6*i+mode]==0 && art_hidebtns)){
 588          int sympos=(art_symsize[0]+1)*(art_actptr[6*i+mode]);
 589          XSetClipOrigin(d_display, gc_gc, art_btnlist[i][0]-sympos, art_btnlist[i][1]);
 590          XSetClipOrigin(d_display, gc_bitgc, art_btnlist[i][0]-sympos, art_btnlist[i][1]);
 591          XCopyArea(d_display, pm_sym, pm_disp, gc_gc, sympos, 0, art_symsize[0], art_symsize[1], art_btnlist[i][0], art_btnlist[i][1]);
 592          XFillRectangle(d_display, pm_mask, gc_bitgc, art_btnlist[i][0], art_btnlist[i][1], art_symsize[0], art_symsize[1]);
 593       }
 594    }
 595    if(wmaker || ushape || astep)
 596       XShapeCombineMask(d_display, w_activewin, ShapeBounding, winsize/2-32, winsize/2-32, pm_mask, ShapeSet);
 597    XSetClipOrigin(d_display, gc_gc, 0, 0);
 598    XSetClipOrigin(d_display, gc_bitgc, 0, 0);
 599    XSetClipMask(d_display, gc_gc, None);
 600    XSetClipMask(d_display, gc_bitgc, None);
 601    if(art_showled[2])
 602       XCopyArea(d_display, pm_sled, pm_disp, gc_gc, (art_ledsize[2]+1)*mode, 0, art_ledsize[2], art_ledsize[3], art_ledpos[2][0], art_ledpos[2][1]);
 603    if(art_showled[3])
 604       XCopyArea(d_display, pm_tled, pm_disp, gc_gc, (art_ledsize[4]+1)*tsel, 0, art_ledsize[4], art_ledsize[5], art_ledpos[3][0], art_ledpos[3][1]);
 605 }
 606
 607 void drawText(int x, int y, char *text){
 608    int drawx=x;
 609    for(size_t i=0;i<strlen(text);i++){
 610       char *chrptr=strchr(chrset,text[i]);
 611       if(chrptr!=NULL){
 612          int chrindex=chrptr-chrset;
 613          int chrwidth=art_ledsize[0];
 614          if(chrset[chrindex+1]==text[i])
 615             chrwidth=2*art_ledsize[0]+1;
 616          XCopyArea(d_display, pm_led, pm_disp, gc_gc, chrindex*(art_ledsize[0]+1), 0, chrwidth, art_ledsize[1], drawx, y);
 617          drawx+=chrwidth+1;
 618       }
 619    }
 620 }
 621
 622 bool readArtwork(char *artfilen){
 623    FILE *artfile;
 624    char artfilenbuf[256];
 625    artfile=fopen(artfilen, "r");
 626    if(artfile==NULL){
 627       if(strchr(artfilen, '/')!=NULL){
 628          fprintf(stderr, "%s : Unable to open artwork file '%s'.\n", NAME, artfilen);
 629          return false;
 630       }
 631       sprintf(artfilenbuf, "%s/.wmcdplay/%s", getenv("HOME"), artfilen);
 632       artfile=fopen(artfilenbuf, "r");
 633       if(artfile==NULL){
 634          sprintf(artfilenbuf, "%s%s", SYSARTDIR, artfilen);
 635          artfile=fopen(artfilenbuf, "r");
 636          if(artfile==NULL){
 637             fprintf(stderr,"%s : Tried to find artwork file, but failed.\n", NAME);
 638             return false;
 639          }
 640       }
 641    }
 642
 643    char buf[256];
 644    bool done=false;
 645    while(!done){
 646       if (fgets(buf, 250, artfile) == NULL) {
 647          fprintf(stderr,"%s : Error reading artwork file.\n", NAME);
 648          return false;
 649       }
 650       done=(feof(artfile)!=0);
 651       if(!done){
 652
 653          int keynum=0;
 654          const char *keystr[]={ "int art_nbtns=",
 655                           "bool art_hidebtns=",
 656                           "bool art_showled[4]=",
 657                           "int art_ledpos[4][2]=",
 658                           "int art_btns[]=",
 659                           "int art_actions[]=",
 660                           "/* XPM */" };
 661          for(int i=0;i<7;i++){
 662             if(strncmp(buf, keystr[i], strlen(keystr[i]))==0){
 663                keynum=i+1;
 664                break;
 665             }
 666          }
 667
 668          if(keynum==1)
 669             sscanf(buf+strlen(keystr[keynum-1]), "%d", &art_nbtns);
 670
 671          if(keynum==2)
 672             art_hidebtns=(strstr(buf+strlen(keystr[keynum-1]), "true")!=NULL);
 673
 674          if(keynum==3)
 675             readArrayBool((char *)buf, (bool *)art_showled, 4);
 676
 677          if(keynum==4)
 678             readArrayInt((char *)buf, (int *)art_ledpos, 8);
 679
 680          if(keynum>=5){
 681             fseek(artfile, -strlen(buf), SEEK_CUR);
 682             char *block=readBlock(artfile);
 683
 684             if(keynum==5){
 685                int items=arrayItems(block);
 686                art_btnptr=(int *)malloc(sizeof(int)*items);
 687                readArrayInt(block, art_btnptr, items);
 688             }
 689
 690             if(keynum==6){
 691                int items=arrayItems(block);
 692                art_actptr=(int *)malloc(sizeof(int)*items);
 693                readArrayInt(block, art_actptr, items);
 694             }
 695
 696             if(keynum==7){
 697
 698                strncpy(buf, strchr(block+strlen(keystr[keynum-1]), '\n')+1, 250);
 699                *strchr(buf, '\n')='\0';
 700
 701                int w,h;
 702                if(strncmp(buf, "static const char * cdplayer_xpm", strlen("static const char * cdplayer_xpm"))==0)
 703                   createPixmap(NULL, block, &pm_cd, &pm_cdmask, NULL, NULL);
 704                if(strncmp(buf, "static const char * symbols_xpm", strlen("static const char * symbols_xpm"))==0){
 705                   createPixmap(NULL, block, &pm_sym, &pm_symmask, &w, &h);
 706                   art_symsize[0]=(w+1)/11-1;
 707                   art_symsize[1]=h;
 708                }
 709                if(strncmp(buf, "static const char * led_xpm", strlen("static const char * led_xpm"))==0){
 710                   createPixmap(NULL, block, &pm_led, NULL, &w, &h);
 711                   art_ledsize[0]=(w+1)/strlen(chrset)-1;
 712                   art_ledsize[1]=h;
 713                }
 714                if(strncmp(buf, "static const char * ledsym_xpm", strlen("static const char * ledsym_xpm"))==0){
 715                   createPixmap(NULL, block, &pm_sled, NULL, &w, &h);
 716                   art_ledsize[2]=(w+1)/6-1;
 717                   art_ledsize[3]=h;
 718                }
 719                if(strncmp(buf, "static const char * ledtsel_xpm", strlen("static const char * ledtsel_xpm"))==0){
 720                   createPixmap(NULL, block, &pm_tled, NULL, &w, &h);
 721                   art_ledsize[4]=(w+1)/5-1;
 722                   art_ledsize[5]=h;
 723                }
 724
 725             }
 726             free(block);
 727          }
 728       }
 729    }
 730    fclose(artfile);
 731    return true;
 732 }
 733
 734 char *readBlock(FILE *dfile){
 735    char buf[256];
 736    long bytes=0;
 737    char *block=NULL;
 738    do{
 739       if (fgets(buf, 250, dfile) == NULL) {
 740          fprintf(stderr,"%s : Error reading artwork file.\n", NAME);
 741          return NULL;
 742       }
 743       int buflen=strlen(buf);
 744       block=(char *)realloc(block, sizeof(char)*(bytes+buflen+1));
 745       strcpy(block+bytes, buf);
 746       bytes+=buflen;
 747    }  while(strstr(buf, "}")==NULL);
 748    return block;
 749 }
 750
 751 int arrayItems(char *buf){
 752    int items=1;
 753    char *bufptr=buf;
 754    while((bufptr=strstr(bufptr, ","))!=NULL){
 755       bufptr++;
 756       items++;
 757    };
 758    return items;
 759 }
 760
 761 void readArrayInt(char *buf, int *array, int n){
 762    char *bufptr;
 763    bufptr=strtok(buf, "{,}");
 764    for(int i=0;i<n;i++){
 765       bufptr=strtok(NULL, "{,}");
 766       sscanf(bufptr, "%d", &array[i]);
 767    }
 768 }
 769
 770 void readArrayBool(char *buf, bool *array, int n){
 771    char *bufptr;
 772    bufptr=strtok(buf, "{,}");
 773    for(int i=0;i<n;i++){
 774       bufptr=strtok(NULL, "{,}");
 775       array[i]=(strstr(bufptr, "true")!=NULL);
 776    }
 777 }
 778
 779 void createPixmap(const char **data, char *buf, Pixmap *image, Pixmap *mask, int *width, int *height){
 780    XpmAttributes xpmattr;
 781    XpmColorSymbol xpmcsym[4]={
 782       {const_cast<char *>("back_color"),     NULL, color[0]},
 783       {const_cast<char *>("led_color_high"), NULL, color[1]},
 784       {const_cast<char *>("led_color_med"),  NULL, color[2]},
 785       {const_cast<char *>("led_color_low"),  NULL, color[3]}};
 786    xpmattr.numsymbols=4;
 787    xpmattr.colorsymbols=xpmcsym;
 788    xpmattr.exactColors=false;
 789    xpmattr.closeness=40000;
 790    xpmattr.valuemask=XpmColorSymbols | XpmExactColors | XpmCloseness | XpmSize;
 791    if(data!=NULL)
 792       XpmCreatePixmapFromData(d_display, w_root, const_cast<char **>(data),
 793                               image, mask, &xpmattr);
 794    else
 795       XpmCreatePixmapFromBuffer(d_display, w_root, buf, image, mask, &xpmattr);
 796    if(width!=NULL)
 797       *width=xpmattr.width;
 798    if(height!=NULL)
 799       *height=xpmattr.height;
 800 }
 801
 802 void setBtnList(int *bset){
 803    // Create a list of pointers to button data.
 804    // So, for example, data for button 2 can be accessed as art_btnlist[2];
 805    // Also, the y co-ordinate of its symbol would be art_btnlist[2][1]
 806
 807    art_btnlist=(int **)malloc(art_nbtns*sizeof(int *));
 808    int curpos=0;
 809    for(int i=0;i<art_nbtns;i++){
 810       art_btnlist[i]=&bset[0+curpos];
 811       curpos+=2*art_btnlist[i][2]+3;
 812    }
 813 }
 814
 815 bool inPolygon(int *points, int px, int py){
 816    int lx=points[1];
 817    int ly=points[2];
 818    int x,y;
 819    for(int i=1;i<=points[0];i++){
 820       if(i==points[0]){
 821          x=points[1];
 822          y=points[2];
 823       }
 824       else{
 825          x=points[i*2+1];
 826          y=points[i*2+2];
 827       }
 828       int a=ly-y;
 829       int b=x-lx;
 830       int c=-a*x-b*y;
 831       if(a*px+b*py+c<0)
 832          return false;
 833       lx=x;
 834       ly=y;
 835    }
 836    return true;
 837 }