src/insets/figinset.C

   1 /*
   2  *      figinset.C - part of LyX project
   3  */
   4
   5 /*  Rework of path-handling (Matthias 04.07.1996 )
   6  * ------------------------------------------------
   7  *   figinsets keep an absolute path to the eps-file.
   8  *   For the user alway a relative path appears
   9  *   (in lyx-file, latex-file and edit-popup).
  10  *   To calculate this relative path the path to the
  11  *   document where the figinset is in is needed.
  12  *   This is done by a reference to the buffer, called
  13  *   figinset::cbuffer. To be up to date the cbuffer
  14  *   is sometimes set to the current buffer
  15  *   bufferlist.current(), when it can be assumed that
  16  *   this operation happens in the current buffer.
  17  *   This is true for InsetFig::Edit(...),
  18  *   InsetFig::InsetFig(...), InsetFig::Read(...),
  19  *   InsetFig::Write and InsetFig::Latex(...).
  20  *   Therefore the bufferlist has to make sure that
  21  *   during these operations bufferlist.current()
  22  *   returns the buffer where the figinsets are in.
  23  *   This made few changes in buffer.C necessary.
  24  *
  25  * The above is not totally valid anymore. (Lgb)
  26  */
  27
  28
  29 #include <config.h>
  30
  31 #include <fstream>
  32 #include <queue>
  33 #include <list>
  34 #include <algorithm>
  35 #include <vector>
  36 #include <utility>
  37
  38 #include <unistd.h>
  39 #include <csignal>
  40 #include <sys/wait.h>
  41
  42 #include FORMS_H_LOCATION
  43 #include <cstdlib>
  44 #include <cctype>
  45 #include <cmath>
  46
  47 #include "figinset.h"
  48 #include "lyx.h"
  49 #include "lyx_main.h"
  50 #include "buffer.h"
  51 #include "frontends/FileDialog.h"
  52 #include "support/filetools.h"
  53 #include "LyXView.h" // just because of form_main
  54 #include "debug.h"
  55 #include "LaTeXFeatures.h"
  56 #include "lyxrc.h"
  57 #include "gettext.h"
  58 #include "lyx_gui_misc.h" // CancelCloseBoxCB
  59 #include "support/FileInfo.h"
  60 #include "support/lyxlib.h"
  61 #include "Painter.h"
  62 #include "font.h"
  63 #include "bufferview_funcs.h"
  64 #include "ColorHandler.h"
  65 #include "converter.h"
  66 #include "frontends/Dialogs.h" // redrawGUI
  67
  68 using std::ostream;
  69 using std::istream;
  70 using std::ofstream;
  71 using std::ifstream;
  72 using std::queue;
  73 using std::list;
  74 using std::vector;
  75 using std::find;
  76 using std::flush;
  77 using std::endl;
  78 using std::ostringstream;
  79 using std::copy;
  80 using std::pair;
  81 using std::make_pair;
  82
  83 extern BufferView * current_view;
  84 extern FL_OBJECT * figinset_canvas;
  85
  86 extern char ** environ; // is this only redundtant on linux systems? Lgb.
  87
  88 // xforms doesn't define this (but it should be in <forms.h>).
  89 extern "C"
  90 FL_APPEVENT_CB fl_set_preemptive_callback(Window, FL_APPEVENT_CB, void *);
  91
  92 namespace {
  93
  94 float const DEG2PI = 57.295779513;
  95
  96 struct queue_element {
  97         float rx, ry;          // resolution x and y
  98         int ofsx, ofsy;        // x and y translation
  99         figdata * data;        // we are doing it for this data
 100 };
 101
 102 int const MAXGS = 3;                    /* maximum 3 gs's at a time */
 103
 104 typedef vector<Figref *> figures_type;
 105 typedef vector<figdata *> bitmaps_type;
 106 figures_type figures; // all figures
 107 bitmaps_type bitmaps; // all bitmaps
 108
 109 queue<queue_element> gsqueue; // queue for ghostscripting
 110
 111 int gsrunning = 0;      /* currently so many gs's are running */
 112 bool bitmap_waiting = false; /* bitmaps are waiting finished */
 113
 114 bool gs_color;                  // do we allocate colors for gs?
 115 bool color_visual;              // is the visual color?
 116 bool gs_xcolor = false;         // allocated extended colors
 117 unsigned long gs_pixels[128];   // allocated pixels
 118 int gs_spc;                     // shades per color
 119 int gs_allcolors;               // number of all colors
 120
 121 list<int> pidwaitlist; // pid wait list
 122
 123 GC createGC()
 124 {
 125         XGCValues val;
 126         val.foreground = BlackPixel(fl_get_display(),
 127                                     DefaultScreen(fl_get_display()));
 128
 129         val.function=GXcopy;
 130         val.graphics_exposures = false;
 131         val.line_style = LineSolid;
 132         val.line_width = 0;
 133         return XCreateGC(fl_get_display(), RootWindow(fl_get_display(), 0),
 134                          GCForeground | GCFunction | GCGraphicsExposures
 135                          | GCLineWidth | GCLineStyle , &val);
 136 }
 137
 138 GC local_gc_copy;
 139
 140
 141 void addpidwait(int pid)
 142 {
 143         // adds pid to pid wait list
 144         pidwaitlist.push_back(pid);
 145
 146         if (lyxerr.debugging()) {
 147                 lyxerr << "Pids to wait for: \n";
 148                 copy(pidwaitlist.begin(), pidwaitlist.end(),
 149                      std::ostream_iterator<int>(lyxerr, "\n"));
 150                 lyxerr << flush;
 151         }
 152 }
 153
 154
 155 string make_tmp(int pid)
 156 {
 157         return system_tempdir + "/~lyxgs" + tostr(pid) + ".ps";
 158 }
 159
 160
 161 void kill_gs(int pid, int sig)
 162 {
 163         if (lyxerr.debugging())
 164                 lyxerr << "Killing gs " << pid << endl;
 165         lyx::kill(pid, sig);
 166         lyx::unlink(make_tmp(pid));
 167 }
 168
 169
 170 extern "C"
 171 int GhostscriptMsg(XEvent * ev, void *)
 172 {
 173         // bin all events not of interest
 174         if (ev->type != ClientMessage)
 175                 return FL_PREEMPT;
 176
 177         XClientMessageEvent * e = reinterpret_cast<XClientMessageEvent*>(ev);
 178
 179         if (lyxerr.debugging()) {
 180                 lyxerr << "ClientMessage, win:[xx] gs:[" << e->data.l[0]
 181                        << "] pm:[" << e->data.l[1] << "]" << endl;
 182         }
 183
 184         // just kill gs, that way it will work for sure
 185         // This loop looks like S**T so it probably is...
 186         for (bitmaps_type::iterator it = bitmaps.begin();
 187              it != bitmaps.end(); ++it)
 188                 if (static_cast<long>((*it)->bitmap) ==
 189                     static_cast<long>(e->data.l[1])) {
 190                         // found the one
 191                         figdata * p = (*it);
 192                         p->gsdone = true;
 193
 194                         // first update p->bitmap, if necessary
 195                         if (p->bitmap != None
 196                             && p->flags > (1|8) && gs_color && p->wid) {
 197                                 // query current colormap and re-render
 198                                 // the pixmap with proper colors
 199                                 XWindowAttributes wa;
 200                                 register XImage * im;
 201                                 int i;
 202                                 int y;
 203                                 int spc1 = gs_spc - 1;
 204                                 int spc2 = gs_spc * gs_spc;
 205                                 int wid = p->wid;
 206                                 int forkstat;
 207                                 Display * tmpdisp;
 208                                 GC gc = local_gc_copy;
 209
 210                                 XGetWindowAttributes(fl_get_display(),
 211                                                      fl_get_canvas_id(
 212                                                              figinset_canvas),
 213                                                      &wa);
 214                                 XFlush(fl_get_display());
 215                                 if (lyxerr.debugging()) {
 216                                         lyxerr << "Starting image translation "
 217                                                << p->bitmap << " "
 218                                                << p->flags << " "
 219                                                << p->wid << "x" << p->hgh
 220                                                << " " << wa.depth
 221                                                << " " << XYPixmap << endl;
 222                                 }
 223                                 // now fork rendering process
 224                                 forkstat = fork();
 225                                 if (forkstat == -1) {
 226                                         lyxerr.debug()
 227                                                 << "Cannot fork, using slow "
 228                                                 "method for pixmap translation." << endl;
 229                                         tmpdisp = fl_get_display();
 230                                 } else if (forkstat > 0) { // parent
 231                                         // register child
 232                                         if (lyxerr.debugging()) {
 233                                                 lyxerr << "Spawned child "
 234                                                        << forkstat << endl;
 235                                         }
 236                                         addpidwait(forkstat);
 237                                         break;
 238                                 } else {  // child
 239                                         tmpdisp = XOpenDisplay(DisplayString(fl_get_display()));
 240                                         XFlush(tmpdisp);
 241                                 }
 242                                 im = XGetImage(tmpdisp, p->bitmap, 0, 0,
 243                                                p->wid, p->hgh, (1<<wa.depth)-1, XYPixmap);
 244                                 XFlush(tmpdisp);
 245                                 if (lyxerr.debugging()) {
 246                                         lyxerr << "Got the image" << endl;
 247                                 }
 248                                 if (!im) {
 249                                         if (lyxerr.debugging()) {
 250                                                 lyxerr << "Error getting the image" << endl;
 251                                         }
 252                                         goto noim;
 253                                 }
 254                                 {
 255                                 // query current colormap
 256                                         XColor * cmap = new XColor[gs_allcolors];
 257                                         for (i = 0; i < gs_allcolors; ++i) cmap[i].pixel = i;
 258                                         XQueryColors(tmpdisp,
 259                                                      fl_state[fl_get_vclass()]
 260                                                      .colormap, cmap,
 261                                                      gs_allcolors);
 262                                         XFlush(tmpdisp);
 263                                 // now we process all the image
 264                                         for (y = 0; y < p->hgh; ++y) {
 265                                                 for (int x = 0; x < wid; ++x) {
 266                                                         XColor * pc = cmap +
 267                                                                 XGetPixel(im, x, y);
 268                                                         XFlush(tmpdisp);
 269                                                         XPutPixel(im, x, y,
 270                                                                   gs_pixels[((pc->red+6553)*
 271                                                                              spc1/65535)*spc2+((pc->green+6553)*
 272                                                                                                spc1/65535)*gs_spc+((pc->blue+6553)*
 273                                                                                                                    spc1/65535)]);
 274                                                         XFlush(tmpdisp);
 275                                                 }
 276                                         }
 277                                 // This must be correct.
 278                                         delete [] cmap;
 279                                         if (lyxerr.debugging()) {
 280                                                 lyxerr << "Putting image back"
 281                                                        << endl;
 282                                         }
 283                                         XPutImage(tmpdisp, p->bitmap,
 284                                                   gc, im, 0, 0,
 285                                                   0, 0, p->wid, p->hgh);
 286                                         XDestroyImage(im);
 287                                         if (lyxerr.debugging()) {
 288                                                 lyxerr << "Done translation"
 289                                                        << endl;
 290                                         }
 291                                 }
 292                           noim:
 293                                 kill_gs(p->gspid, SIGHUP);
 294                                 if (forkstat == 0) {
 295                                         XCloseDisplay(tmpdisp);
 296                                         _exit(0);
 297                                 }
 298                         } else {
 299                                 kill_gs(p->gspid, SIGHUP);
 300                         }
 301                         break;
 302                 }
 303         return FL_PREEMPT;
 304 }
 305
 306
 307 void AllocColors(int num)
 308 // allocate color cube numxnumxnum, if possible
 309 {
 310         if (lyxerr.debugging()) {
 311                 lyxerr << "Allocating color cube " << num
 312                        << 'x' << num << 'x' << num << endl;
 313         }
 314
 315         if (num <= 1) {
 316                 lyxerr << "Error allocating color colormap." << endl;
 317                 gs_color = false;
 318                 return;
 319         }
 320         if (num > 5) num = 5;
 321         XColor xcol;
 322         for (int i = 0; i < num * num * num; ++i) {
 323                 xcol.red = short(65535 * (i / (num * num)) / (num - 1));
 324                 xcol.green = short(65535 * ((i / num) % num) / (num - 1));
 325                 xcol.blue = short(65535 * (i % num) / (num - 1));
 326                 xcol.flags = DoRed | DoGreen | DoBlue;
 327                 if (!XAllocColor(fl_get_display(),
 328                                  fl_state[fl_get_vclass()].colormap, &xcol)) {
 329                         if (i) XFreeColors(fl_get_display(),
 330                                            fl_state[fl_get_vclass()].colormap,
 331                                            gs_pixels, i, 0);
 332                         if (lyxerr.debugging()) {
 333                                 lyxerr << "Cannot allocate color cube "
 334                                        << num << endl;;
 335                         }
 336                         AllocColors(num - 1);
 337                         return;
 338                 }
 339                 gs_pixels[i] = xcol.pixel;
 340         }
 341         gs_color = true;
 342         gs_spc = num;
 343 }
 344
 345
 346 // allocate grayscale ramp
 347 void AllocGrays(int num)
 348 {
 349         if (lyxerr.debugging()) {
 350                 lyxerr << "Allocating grayscale colormap "
 351                        << num << endl;
 352         }
 353
 354         if (num < 4) {
 355                 lyxerr << "Error allocating grayscale colormap." << endl;
 356                 gs_color = false;
 357                 return;
 358         }
 359         if (num > 128) num = 128;
 360         XColor xcol;
 361         for (int i = 0; i < num; ++i) {
 362                 xcol.red = xcol.green = xcol.blue = short(65535 * i / (num - 1));
 363                 xcol.flags = DoRed | DoGreen | DoBlue;
 364                 if (!XAllocColor(fl_get_display(),
 365                                  fl_state[fl_get_vclass()].colormap, &xcol)) {
 366                         if (i) XFreeColors(fl_get_display(),
 367                                            fl_state[fl_get_vclass()].colormap,
 368                                            gs_pixels, i, 0);
 369                         if (lyxerr.debugging()) {
 370                                 lyxerr << "Cannot allocate grayscale "
 371                                        << num << endl;
 372                         }
 373                         AllocGrays(num / 2);
 374                         return;
 375                 }
 376                 gs_pixels[i] = xcol.pixel;
 377         }
 378         gs_color = true;
 379 }
 380
 381 void InitFigures()
 382 {
 383         // if bitmaps and figures are not empty we will leak mem
 384         figures.clear();
 385         bitmaps.clear();
 386
 387         // allocate color cube on pseudo-color display
 388         // first get visual
 389         gs_color = false;
 390         if (lyxrc.use_gui) {
 391                 /* we want to capture every event, in order to work around an
 392                  * xforms bug.
 393                  */
 394                 fl_set_preemptive_callback(fl_get_canvas_id(figinset_canvas), GhostscriptMsg, 0);
 395
 396                 local_gc_copy = createGC();
 397
 398                 Visual * vi = DefaultVisual(fl_get_display(),
 399                                             DefaultScreen(fl_get_display()));
 400                 if (lyxerr.debugging()) {
 401                         printf("Visual ID: %ld, class: %d, bprgb: %d, mapsz: %d\n",
 402                                vi->visualid, vi->c_class,
 403                                vi->bits_per_rgb, vi->map_entries);
 404                 }
 405                 color_visual = ( (vi->c_class == StaticColor) ||
 406                                  (vi->c_class == PseudoColor) ||
 407                                  (vi->c_class == TrueColor) ||
 408                                  (vi->c_class == DirectColor) );
 409                 if ((vi->c_class & 1) == 0) return;
 410                 // now allocate colors
 411                 if (vi->c_class == GrayScale) {
 412                         // allocate grayscale
 413                         AllocGrays(vi->map_entries/2);
 414                 } else {
 415                         // allocate normal color
 416                         int i = 5;
 417                         while (i * i * i * 2 > vi->map_entries) --i;
 418                         AllocColors(i);
 419                 }
 420                 gs_allcolors = vi->map_entries;
 421         }
 422 }
 423
 424
 425 void DoneFigures()
 426 {
 427         // if bitmaps and figures are not empty we will leak mem
 428         bitmaps.clear();
 429         figures.clear();
 430
 431         lyxerr.debug() << "Unregistering figures..." << endl;
 432 }
 433
 434
 435 void freefigdata(figdata * tmpdata)
 436 {
 437         tmpdata->ref--;
 438         if (tmpdata->ref) return;
 439
 440         if (tmpdata->gspid > 0) {
 441                 int pid = tmpdata->gspid;
 442                 // kill ghostscript and unlink it's files
 443                 tmpdata->gspid = -1;
 444                 kill_gs(pid, SIGKILL);
 445         }
 446
 447         if (tmpdata->bitmap) XFreePixmap(fl_get_display(), tmpdata->bitmap);
 448         bitmaps.erase(find(bitmaps.begin(), bitmaps.end(), tmpdata));
 449         delete tmpdata;
 450 }
 451
 452
 453 void runqueue()
 454 {
 455         // This _have_ to be set before the fork!
 456         unsigned long background_pixel =
 457                 lyxColorHandler->colorPixel(LColor::background);
 458
 459         // run queued requests for ghostscript, if any
 460         if (!gsrunning && gs_color && !gs_xcolor) {
 461                 // here alloc all colors, so that gs will use only
 462                 // those we allocated for it
 463                 // *****
 464                 gs_xcolor = true;
 465         }
 466
 467         while (gsrunning < MAXGS) {
 468                 //char tbuf[384]; //, tbuf2[80];
 469                 Atom * prop;
 470                 int nprop, i;
 471
 472                 if (gsqueue.empty()) {
 473                         if (!gsrunning && gs_xcolor) {
 474                                 // de-allocate rest of colors
 475                                 // *****
 476                                 gs_xcolor = false;
 477                         }
 478                         return;
 479                 }
 480                 queue_element * p = &gsqueue.front();
 481                 if (!p->data) {
 482                         gsqueue.pop();
 483                         continue;
 484                 }
 485
 486                 int pid = ::fork();
 487
 488                 if (pid == -1) {
 489                         if (lyxerr.debugging()) {
 490                                 lyxerr << "GS start error! Cannot fork."
 491                                        << endl;
 492                         }
 493                         p->data->broken = true;
 494                         p->data->reading = false;
 495                         return;
 496                 }
 497                 if (pid == 0) { // child
 498                         char ** env;
 499                         int ne = 0;
 500                         Display * tempdisp = XOpenDisplay(DisplayString(fl_get_display()));
 501
 502                         // create translation file
 503                         ofstream ofs;
 504                         ofs.open(make_tmp(getpid()).c_str());
 505                         ofs << "gsave clippath pathbbox grestore\n"
 506                             << "4 dict begin\n"
 507                             << "/ury exch def /urx exch def /lly exch def "
 508                                 "/llx exch def\n"
 509                             << p->data->wid / 2.0 << " "
 510                             << p->data->hgh / 2.0 << " translate\n"
 511                             << p->data->angle << " rotate\n"
 512                             << -(p->data->raw_wid / 2.0) << " "
 513                             << -(p->data->raw_hgh / 2.0) << " translate\n"
 514                             << p->rx / 72.0 << " " << p->ry / 72.0
 515                             << " scale\n"
 516                             << -p->ofsx << " " << -p->ofsy << " translate\n"
 517                             << "end" << endl;
 518                         ofs.close(); // Don't remove this.
 519
 520                         // gs process - set ghostview environment first
 521                         ostringstream t2;
 522                         t2 << "GHOSTVIEW=" << fl_get_canvas_id(figinset_canvas)
 523                            << ' ' << p->data->bitmap;
 524                         // now set up ghostview property on a window
 525                         // #warning BUG seems that the only bug here
 526                         // might be the hardcoded dpi.. Bummer!
 527                         ostringstream t1;
 528                         t1 << "0 0 0 0 " << p->data->wid << ' '
 529                            << p->data->hgh << " 72 72 0 0 0 0";
 530
 531                         if (lyxerr.debugging()) {
 532                                 lyxerr << "Will set GHOSTVIEW property to ["
 533                                        << t1.str() << "]" << endl;
 534                         }
 535                         // wait until property is deleted if executing multiple
 536                         // ghostscripts
 537                         XGrabServer(tempdisp);
 538                         for (;;) {
 539                                 // grab server to prevent other child
 540                                 // interfering with setting GHOSTVIEW property
 541                                 // The grabbing goes on for too long, is it
 542                                 // really needed? (Lgb)
 543                                 // I moved most of the grabs... (Lgb)
 544                                 if (lyxerr.debugging()) {
 545                                         lyxerr << "Grabbing the server"
 546                                                << endl;
 547                                 }
 548                                 prop = XListProperties(tempdisp,
 549                                                        fl_get_canvas_id(
 550                                         figinset_canvas), &nprop);
 551                                 if (!prop) break;
 552
 553                                 bool err = true;
 554                                 for (i = 0; i < nprop; ++i) {
 555                                         char * p = XGetAtomName(tempdisp,
 556                                                                 prop[i]);
 557                                         if (compare(p, "GHOSTVIEW") == 0) {
 558                                                 err = false;
 559                                                 // We free it when we leave so we don't leak.
 560                                                 XFree(p);
 561                                                 break;
 562                                         }
 563                                         XFree(p);
 564                                 }
 565                                 XFree(reinterpret_cast<char *>(prop)); // jc:
 566                                 if (err) break;
 567                                 // ok, property found, we must wait until
 568                                 // ghostscript deletes it
 569                                 if (lyxerr.debugging()) {
 570                                         lyxerr << "Releasing the server\n["
 571                                                << getpid()
 572                                                << "] GHOSTVIEW property"
 573                                                 " found. Waiting." << endl;
 574                                 }
 575                                 XUngrabServer(tempdisp);
 576                                 XFlush(tempdisp);
 577                                 ::sleep(1);
 578                                 XGrabServer(tempdisp);
 579                         }
 580                         XChangeProperty(tempdisp,
 581                                         fl_get_canvas_id(figinset_canvas),
 582                                         XInternAtom(tempdisp, "GHOSTVIEW", false),
 583                                         XInternAtom(tempdisp, "STRING", false),
 584                                         8, PropModeAppend,
 585                                         reinterpret_cast<unsigned char*>(const_cast<char*>(t1.str().c_str())),
 586                                         int(t1.str().size()));
 587                         XUngrabServer(tempdisp);
 588                         XFlush(tempdisp);
 589
 590                         ostringstream t3;
 591
 592                         switch (p->data->flags & 3) {
 593                         case 0: t3 << 'H'; break; // Hidden
 594                         case 1: t3 << 'M'; break; // Mono
 595                         case 2: t3 << 'G'; break; // Gray
 596                         case 3:
 597                                 if (color_visual)
 598                                         t3 << 'C'; // Color
 599                                 else
 600                                         t3 << 'G'; // Gray
 601                                 break;
 602                         }
 603
 604                         t3 << ' ' << BlackPixelOfScreen(DefaultScreenOfDisplay(tempdisp))
 605                            << ' ' << background_pixel;
 606
 607                         XGrabServer(tempdisp);
 608                         XChangeProperty(tempdisp,
 609                                         fl_get_canvas_id(figinset_canvas),
 610                                         XInternAtom(tempdisp,
 611                                                     "GHOSTVIEW_COLORS", false),
 612                                         XInternAtom(tempdisp, "STRING", false),
 613                                         8, PropModeReplace,
 614                                         reinterpret_cast<unsigned char*>(const_cast<char*>(t3.str().c_str())),
 615                                         int(t3.str().size()));
 616                         XUngrabServer(tempdisp);
 617                         XFlush(tempdisp);
 618
 619                         if (lyxerr.debugging()) {
 620                                 lyxerr << "Releasing the server" << endl;
 621                         }
 622                         XCloseDisplay(tempdisp);
 623
 624                         // set up environment
 625                         while (environ[ne])
 626                                 ++ne;
 627                         typedef char * char_p;
 628                         env = new char_p[ne + 2];
 629                         string tmp = t2.str().c_str();
 630                         env[0] = new char[tmp.size() + 1];
 631                         std::copy(tmp.begin(), tmp.end(), env[0]);
 632                         env[0][tmp.size()] = '\0';
 633                         ::memcpy(&env[1], environ, sizeof(char*) * (ne + 1));
 634                         environ = env;
 635
 636                         // now make gs command
 637                         // close(0);
 638                         // close(1); do NOT close. If GS writes out
 639                         // errors it would hang. (Matthias 290596)
 640
 641                         string rbuf = "-r" + tostr(p->rx) + "x" + tostr(p->ry);
 642                         string gbuf = "-g" + tostr(p->data->wid) + "x" + tostr(p->data->hgh);
 643
 644                         // now chdir into dir with .eps file, to be on the safe
 645                         // side
 646                         lyx::chdir(OnlyPath(p->data->fname));
 647                         // make temp file name
 648                         string tmpf = make_tmp(getpid());
 649                         if (lyxerr.debugging()) {
 650                                 lyxerr << "starting gs " << tmpf << " "
 651                                        << p->data->fname
 652                                        << ", pid: " << getpid() << endl;
 653                         }
 654
 655                         int err = ::execlp(lyxrc.ps_command.c_str(),
 656                                          lyxrc.ps_command.c_str(),
 657                                          "-sDEVICE=x11",
 658                                          "-dNOPAUSE", "-dQUIET",
 659                                          "-dSAFER",
 660                                          rbuf.c_str(), gbuf.c_str(), tmpf.c_str(),
 661                                          p->data->fname.c_str(),
 662                                          "showpage.ps", "quit.ps", "-", 0);
 663                         // if we are still there, an error occurred.
 664                         lyxerr << "Error executing ghostscript. "
 665                                << "Code: " << err << endl;
 666                         lyxerr.debug() << "Cmd: "
 667                                        << lyxrc.ps_command
 668                                        << " -sDEVICE=x11 "
 669                                        << tmpf << ' '
 670                                        << p->data->fname << endl;
 671                         _exit(0);       // no gs?
 672                 }
 673                 // normal process (parent)
 674                 if (lyxerr.debugging()) {
 675                         lyxerr << "GS ["  << pid << "] started" << endl;
 676                 }
 677
 678                 p->data->gspid = pid;
 679                 ++gsrunning;
 680                 gsqueue.pop();
 681         }
 682 }
 683
 684
 685 void addwait(int psx, int psy, int pswid, int pshgh, figdata * data)
 686 {
 687         // recompute the stuff and put in the queue
 688         queue_element p;
 689         p.ofsx = psx;
 690         p.ofsy = psy;
 691         p.rx = (float(data->raw_wid) * 72.0) / pswid;
 692         p.ry = (float(data->raw_hgh) * 72.0) / pshgh;
 693
 694         p.data = data;
 695
 696         gsqueue.push(p);
 697
 698         // if possible, run the queue
 699         runqueue();
 700 }
 701
 702
 703 figdata * getfigdata(int wid, int hgh, string const & fname,
 704                      int psx, int psy, int pswid, int pshgh,
 705                      int raw_wid, int raw_hgh, float angle, char flags)
 706 {
 707         /* first search for an exact match with fname and width/height */
 708
 709         if (fname.empty() || !IsFileReadable(fname))
 710                 return 0;
 711
 712         for (bitmaps_type::iterator it = bitmaps.begin();
 713              it != bitmaps.end(); ++it) {
 714                 if ((*it)->wid == wid && (*it)->hgh == hgh &&
 715                     (*it)->flags == flags && (*it)->fname == fname &&
 716                     (*it)->angle == angle) {
 717                         (*it)->ref++;
 718                         return (*it);
 719                 }
 720         }
 721         figdata * p = new figdata;
 722         p->wid = wid;
 723         p->hgh = hgh;
 724         p->raw_wid = raw_wid;
 725         p->raw_hgh = raw_hgh;
 726         p->angle = angle;
 727         p->fname = fname;
 728         p->flags = flags;
 729         bitmaps.push_back(p);
 730         XWindowAttributes wa;
 731         XGetWindowAttributes(fl_get_display(), fl_get_canvas_id(
 732                 figinset_canvas), &wa);
 733
 734         if (lyxerr.debugging()) {
 735                 lyxerr << "Create pixmap disp:" << fl_get_display()
 736                        << " scr:" << DefaultScreen(fl_get_display())
 737                        << " w:" << wid
 738                        << " h:" << hgh
 739                        << " depth:" << wa.depth << endl;
 740         }
 741
 742         p->ref = 1;
 743         p->reading = false;
 744         p->broken = false;
 745         p->gspid = -1;
 746         if (flags) {
 747                 p->bitmap = XCreatePixmap(fl_get_display(), fl_get_canvas_id(
 748                         figinset_canvas), wid, hgh, wa.depth);
 749                 p->gsdone = false;
 750                 // initialize reading of .eps file with correct sizes and stuff
 751                 addwait(psx, psy, pswid, pshgh, p);
 752                 p->reading = true;
 753         } else {
 754                 p->bitmap = None;
 755                 p->gsdone = true;
 756         }
 757
 758         return p;
 759 }
 760
 761
 762 void getbitmap(figdata * p)
 763 {
 764         p->gspid = -1;
 765 }
 766
 767
 768 void makeupdatelist(figdata * p)
 769 {
 770         for (figures_type::iterator it = figures.begin();
 771             it != figures.end(); ++it)
 772                 if ((*it)->data == p) {
 773                         if (lyxerr.debugging()) {
 774                                 lyxerr << "Updating inset "
 775                                        << (*it)->inset
 776                                        << endl;
 777                         }
 778                         // add inset figures[i]->inset into to_update list
 779                         current_view->pushIntoUpdateList((*it)->inset);
 780                 }
 781 }
 782
 783 } // namespace anon
 784
 785
 786 // this func is only "called" in spellchecker.C
 787 void sigchldchecker(pid_t pid, int * status)
 788 {
 789         lyxerr.debug() << "Got pid = " << pid << endl;
 790         bool pid_handled = false;
 791         for (bitmaps_type::iterator it = bitmaps.begin();
 792              it != bitmaps.end(); ++it) {
 793                 if ((*it)->reading && pid == (*it)->gspid) {
 794                         lyxerr.debug() << "Found pid in bitmaps" << endl;
 795                         // now read the file and remove it from disk
 796                         figdata * p = (*it);
 797                         p->reading = false;
 798                         if ((*it)->gsdone) *status = 0;
 799                         if (*status == 0) {
 800                                 lyxerr.debug() << "GS [" << pid
 801                                                << "] exit OK." << endl;
 802                         } else {
 803                                 lyxerr << "GS [" << pid  << "] error "
 804                                        << *status << " E:"
 805                                        << WIFEXITED(*status)
 806                                        << " " << WEXITSTATUS(*status)
 807                                        << " S:" << WIFSIGNALED(*status)
 808                                        << " " << WTERMSIG(*status) << endl;
 809                         }
 810                         if (*status == 0) {
 811                                 bitmap_waiting = true;
 812                                 p->broken = false;
 813                         } else {
 814                                 // remove temporary files
 815                                 lyx::unlink(make_tmp(p->gspid));
 816                                 p->gspid = -1;
 817                                 p->broken = true;
 818                         }
 819                         makeupdatelist((*it));
 820                         --gsrunning;
 821                         runqueue();
 822                         pid_handled = true;
 823                 }
 824         }
 825         if (!pid_handled) {
 826                 lyxerr.debug() << "Checking pid in pidwait" << endl;
 827                 list<int>::iterator it = find(pidwaitlist.begin(),
 828                                               pidwaitlist.end(), pid);
 829                 if (it != pidwaitlist.end()) {
 830                         lyxerr.debug() << "Found pid in pidwait\n"
 831                                        << "Caught child pid of recompute "
 832                                 "routine" << pid << endl;
 833                         pidwaitlist.erase(it);
 834                 }
 835         }
 836         if (pid == -1) {
 837                 lyxerr.debug() << "waitpid error" << endl;
 838                 switch (errno) {
 839                 case ECHILD:
 840                         lyxerr << "The process or process group specified by "
 841                                 "pid does  not exist or is not a child of "
 842                                 "the calling process or can never be in the "
 843                                 "states specified by options." << endl;
 844                         break;
 845                 case EINTR:
 846                         lyxerr << "waitpid() was interrupted due to the "
 847                                 "receipt of a signal sent by the calling "
 848                                 "process." << endl;
 849                         break;
 850                 case EINVAL:
 851                         lyxerr << "An invalid value was specified for "
 852                                 "options." << endl;
 853                         break;
 854                 default:
 855                         lyxerr << "Unknown error from waitpid" << endl;
 856                         break;
 857                 }
 858         } else if (pid == 0) {
 859                 lyxerr << "waitpid nohang" << endl;;
 860         } else {
 861                 lyxerr.debug() << "normal exit from childhandler" << endl;
 862         }
 863 }
 864
 865
 866 namespace {
 867
 868 void getbitmaps()
 869 {
 870         bitmap_waiting = false;
 871         for (bitmaps_type::iterator it = bitmaps.begin();
 872              it != bitmaps.end(); ++it)
 873                 if ((*it)->gspid > 0 && !(*it)->reading)
 874                         getbitmap((*it));
 875 }
 876
 877
 878 void RegisterFigure(InsetFig * fi)
 879 {
 880         if (figures.empty()) InitFigures();
 881         fi->form = 0;
 882         Figref * tmpfig = new Figref;
 883         tmpfig->data = 0;
 884         tmpfig->inset = fi;
 885         figures.push_back(tmpfig);
 886         fi->figure = tmpfig;
 887
 888         if (lyxerr.debugging()) {
 889                 lyxerr << "Register Figure: buffer:["
 890                        << current_view->buffer() << "]" << endl;
 891         }
 892 }
 893
 894
 895 void UnregisterFigure(InsetFig * fi)
 896 {
 897         if (!lyxrc.use_gui)
 898                 return;
 899
 900         Figref * tmpfig = fi->figure;
 901
 902         if (tmpfig->data) freefigdata(tmpfig->data);
 903         if (tmpfig->inset->form) {
 904                 if (tmpfig->inset->form->Figure->visible) {
 905                         fl_set_focus_object(tmpfig->inset->form->Figure,
 906                                             tmpfig->inset->form->OkBtn);
 907                         fl_hide_form(tmpfig->inset->form->Figure);
 908                 }
 909 #if FL_REVISION == 89
 910                 // CHECK Reactivate this free_form calls
 911 #else
 912                 fl_free_form(tmpfig->inset->form->Figure);
 913                 free(tmpfig->inset->form); // Why free?
 914                 tmpfig->inset->form = 0;
 915 #endif
 916         }
 917         figures.erase(find(figures.begin(), figures.end(), tmpfig));
 918         delete tmpfig;
 919
 920         if (figures.empty()) DoneFigures();
 921 }
 922
 923 } // namespace anon
 924
 925
 926 InsetFig::InsetFig(int tmpx, int tmpy, Buffer const & o)
 927         : owner(&o)
 928 {
 929         wid = tmpx;
 930         hgh = tmpy;
 931         wtype = DEF;
 932         htype = DEF;
 933         twtype = DEF;
 934         thtype = DEF;
 935         pflags = flags = 9;
 936         psubfigure = subfigure = false;
 937         xwid = xhgh = angle = 0;
 938         pswid = pshgh = 0;
 939         raw_wid = raw_hgh = 0;
 940         changedfname = false;
 941         RegisterFigure(this);
 942         r_ = Dialogs::redrawGUI.connect(SigC::slot(this, &InsetFig::redraw));
 943 }
 944
 945
 946 InsetFig::~InsetFig()
 947 {
 948         if (lyxerr.debugging()) {
 949                 lyxerr << "Figure destructor called" << endl;
 950         }
 951         UnregisterFigure(this);
 952         r_.disconnect();
 953 }
 954
 955
 956 void InsetFig::redraw()
 957 {
 958         if (form && form->Figure->visible)
 959                 fl_redraw_form(form->Figure);
 960 }
 961
 962
 963 int InsetFig::ascent(BufferView *, LyXFont const &) const
 964 {
 965         return hgh + 3;
 966 }
 967
 968
 969 int InsetFig::descent(BufferView *, LyXFont const &) const
 970 {
 971         return 1;
 972 }
 973
 974
 975 int InsetFig::width(BufferView *, LyXFont const &) const
 976 {
 977         return wid + 2;
 978 }
 979
 980
 981 void InsetFig::draw(BufferView * bv, LyXFont const & f,
 982                     int baseline, float & x, bool) const
 983 {
 984         LyXFont font(f);
 985         Painter & pain = bv->painter();
 986
 987         if (bitmap_waiting) getbitmaps();
 988
 989         // I wish that I didn't have to use this
 990         // but the figinset code is so complicated so
 991         // I don't want to fiddle with it now.
 992
 993         if (figure && figure->data && figure->data->bitmap &&
 994             !figure->data->reading && !figure->data->broken) {
 995                 // draw the bitmap
 996                 pain.pixmap(int(x + 1), baseline - hgh,
 997                             wid, hgh, figure->data->bitmap);
 998
 999                 if (flags & 4)
1000                         pain.rectangle(int(x), baseline - hgh - 1,
1001                                        wid + 1, hgh + 1);
1002
1003         } else {
1004                 char const * msg = 0;
1005                 string lfname = fname;
1006                 if (!fname.empty() && GetExtension(fname).empty())
1007                     lfname += ".eps";
1008                 // draw frame
1009                 pain.rectangle(int(x), baseline - hgh - 1, wid + 1, hgh + 1);
1010
1011                 if (figure && figure->data) {
1012                         if (figure->data->broken)  msg = _("[render error]");
1013                         else if (figure->data->reading) msg = _("[rendering ... ]");
1014                 }
1015                 else if (fname.empty())
1016                         msg = _("[no file]");
1017                 else if (!IsFileReadable(lfname))
1018                         msg = _("[bad file name]");
1019                 else if ((flags & 3) == 0)
1020                         msg = _("[not displayed]");
1021                 else if (lyxrc.ps_command.empty())
1022                         msg = _("[no ghostscript]");
1023
1024                 if (!msg) msg = _("[unknown error]");
1025
1026                 font.setFamily(LyXFont::SANS_FAMILY);
1027                 font.setSize(LyXFont::SIZE_FOOTNOTE);
1028                 string justname = OnlyFilename (fname);
1029                 pain.text(int(x + 8), baseline - lyxfont::maxAscent(font) - 4,
1030                           justname, font);
1031
1032                 font.setSize(LyXFont::SIZE_TINY);
1033                 pain.text(int(x + 8), baseline - 4, msg, strlen(msg), font);
1034         }
1035         x += width(bv, font);    // ?
1036 }
1037
1038
1039 void InsetFig::Write(Buffer const *, ostream & os) const
1040 {
1041         Regenerate();
1042         os << "Figure size " << wid << " " << hgh << "\n";
1043         if (!fname.empty()) {
1044                 string buf1 = OnlyPath(owner->fileName());
1045                 string fname2 = MakeRelPath(fname, buf1);
1046                 os << "file " << fname2 << "\n";
1047         }
1048         if (!subcaption.empty())
1049                 os << "subcaption " << subcaption << "\n";
1050         if (wtype) os << "width " << static_cast<int>(wtype) << " " << xwid << "\n";
1051         if (htype) os << "height " << static_cast<int>(htype) << " " << xhgh << "\n";
1052         if (angle != 0) os << "angle " << angle << "\n";
1053         os << "flags " << flags << "\n";
1054         if (subfigure) os << "subfigure\n";
1055 }
1056
1057
1058 void InsetFig::Read(Buffer const *, LyXLex & lex)
1059 {
1060         string buf;
1061         bool finished = false;
1062
1063         while (lex.IsOK() && !finished) {
1064                 lex.next();
1065
1066                 string const token = lex.GetString();
1067                 lyxerr.debug() << "Token: " << token << endl;
1068
1069                 if (token.empty())
1070                         continue;
1071                 else if (token == "\\end_inset") {
1072                         finished = true;
1073                 } else if (token == "file") {
1074                         if (lex.next()) {
1075                                 buf = lex.GetString();
1076                                 string buf1 = OnlyPath(owner->fileName());
1077                                 fname = MakeAbsPath(buf, buf1);
1078                                 changedfname = true;
1079                         }
1080                 } else if (token == "extra") {
1081                         if (lex.next());
1082                         // kept for backwards compability. Delete in 0.13.x
1083                 } else if (token == "subcaption") {
1084                         if (lex.EatLine())
1085                                 subcaption = lex.GetString();
1086                 } else if (token == "label") {
1087                         if (lex.next());
1088                         // kept for backwards compability. Delete in 0.13.x
1089                 } else if (token == "angle") {
1090                         if (lex.next())
1091                                 angle = lex.GetFloat();
1092                 } else if (token == "size") {
1093                         if (lex.next())
1094                                 wid = lex.GetInteger();
1095                         if (lex.next())
1096                                 hgh = lex.GetInteger();
1097                 } else if (token == "flags") {
1098                         if (lex.next())
1099                                 flags = pflags = lex.GetInteger();
1100                 } else if (token == "subfigure") {
1101                         subfigure = psubfigure = true;
1102                 } else if (token == "width") {
1103                         int typ = 0;
1104                         if (lex.next())
1105                                 typ = lex.GetInteger();
1106                         if (lex.next())
1107                                 xwid = lex.GetFloat();
1108                         switch (typ) {
1109                         case DEF: wtype = DEF; break;
1110                         case CM: wtype = CM; break;
1111                         case IN: wtype = IN; break;
1112                         case PER_PAGE: wtype = PER_PAGE; break;
1113                         case PER_COL: wtype = PER_COL; break;
1114                         default:
1115                                 lyxerr.debug() << "Unknown type!" << endl;
1116                                 break;
1117                         }
1118                         twtype = wtype;
1119                 } else if (token == "height") {
1120                         int typ = 0;
1121                         if (lex.next())
1122                                 typ = lex.GetInteger();
1123                         if (lex.next())
1124                                 xhgh = lex.GetFloat();
1125                         switch (typ) {
1126                         case DEF: htype = DEF; break;
1127                         case CM: htype = CM; break;
1128                         case IN: htype = IN; break;
1129                         case PER_PAGE: htype = PER_PAGE; break;
1130                         default:
1131                                 lyxerr.debug() << "Unknown type!" << endl;
1132                                 break;
1133                         }
1134                         thtype = htype;
1135                 }
1136         }
1137         Regenerate();
1138         Recompute();
1139 }
1140
1141
1142 int InsetFig::Latex(Buffer const *, ostream & os,
1143                     bool /* fragile*/, bool /* fs*/) const
1144 {
1145         Regenerate();
1146         if (!cmd.empty()) os << cmd << " ";
1147         return 0;
1148 }
1149
1150
1151 int InsetFig::Ascii(Buffer const *, ostream &, int) const
1152 {
1153         return 0;
1154 }
1155
1156
1157 int InsetFig::Linuxdoc(Buffer const *, ostream &) const
1158 {
1159         return 0;
1160 }
1161
1162
1163 int InsetFig::DocBook(Buffer const *, ostream & os) const
1164 {
1165         string buf1 = OnlyPath(owner->fileName());
1166         string figurename = MakeRelPath(fname, buf1);
1167
1168         if (suffixIs(figurename, ".eps"))
1169                 figurename.erase(figurename.length() - 4);
1170
1171         os << "@<graphic fileref=\"" << figurename << "\"></graphic>";
1172         return 0;
1173 }
1174
1175
1176 void InsetFig::Validate(LaTeXFeatures & features) const
1177 {
1178         features.graphics = true;
1179         if (subfigure) features.subfigure = true;
1180 }
1181
1182
1183 Inset::EDITABLE InsetFig::Editable() const
1184 {
1185         return IS_EDITABLE;
1186 }
1187
1188
1189 bool InsetFig::Deletable() const
1190 {
1191         return false;
1192 }
1193
1194
1195 string const InsetFig::EditMessage() const
1196 {
1197         return _("Opened figure");
1198 }
1199
1200
1201 void InsetFig::Edit(BufferView * bv, int, int, unsigned int)
1202 {
1203         lyxerr.debug() << "Editing InsetFig." << endl;
1204         Regenerate();
1205
1206         // We should have RO-versions of the form instead.
1207         // The actual prevention of altering a readonly doc
1208         // is done in CallbackFig()
1209         if (bv->buffer()->isReadonly())
1210                 WarnReadonly(bv->buffer()->fileName());
1211
1212         if (!form) {
1213                 form = create_form_Figure();
1214                 fl_set_form_atclose(form->Figure, CancelCloseBoxCB, 0);
1215                 fl_set_object_return(form->Angle, FL_RETURN_ALWAYS);
1216                 fl_set_object_return(form->Width, FL_RETURN_ALWAYS);
1217                 fl_set_object_return(form->Height, FL_RETURN_ALWAYS);
1218         }
1219         RestoreForm();
1220         if (form->Figure->visible) {
1221                 fl_raise_form(form->Figure);
1222         } else {
1223                 fl_show_form(form->Figure,
1224                              FL_PLACE_MOUSE | FL_FREE_SIZE, FL_TRANSIENT,
1225                              _("Figure"));
1226         }
1227 }
1228
1229
1230 Inset * InsetFig::Clone(Buffer const & buffer) const
1231 {
1232         InsetFig * tmp = new InsetFig(100, 100, buffer);
1233
1234         if (lyxerr.debugging()) {
1235                 lyxerr << "Clone Figure: buffer:["
1236                        << &buffer
1237                        << "], cbuffer:[xx]" << endl;
1238         }
1239
1240         tmp->wid = wid;
1241         tmp->hgh = hgh;
1242         tmp->raw_wid = raw_wid;
1243         tmp->raw_hgh = raw_hgh;
1244         tmp->angle = angle;
1245         tmp->xwid = xwid;
1246         tmp->xhgh = xhgh;
1247         tmp->flags = flags;
1248         tmp->pflags = pflags;
1249         tmp->subfigure = subfigure;
1250         tmp->psubfigure = psubfigure;
1251         tmp->wtype = wtype;
1252         tmp->htype = htype;
1253         tmp->psx = psx;
1254         tmp->psy = psy;
1255         tmp->pswid = pswid;
1256         tmp->pshgh = pshgh;
1257         tmp->fname = fname;
1258         if (!fname.empty() && IsFileReadable(fname)
1259             && (flags & 3) && !lyxrc.ps_command.empty()
1260             && lyxrc.use_gui) {
1261                 // do not display if there is
1262                 // "do not display" chosen (Matthias 260696)
1263                 tmp->figure->data = getfigdata(wid, hgh, fname, psx, psy,
1264                                                pswid, pshgh, raw_wid, raw_hgh,
1265                                                angle, flags & (3|8));
1266         } else tmp->figure->data = 0;
1267         tmp->subcaption = subcaption;
1268         tmp->changedfname = false;
1269         tmp->owner = owner;
1270         tmp->Regenerate();
1271         return tmp;
1272 }
1273
1274
1275 Inset::Code InsetFig::LyxCode() const
1276 {
1277         return Inset::GRAPHICS_CODE;
1278 }
1279
1280
1281 namespace {
1282
1283 string const stringify(InsetFig::HWTYPE hw, float f, string suffix)
1284 {
1285         string res;
1286         switch (hw) {
1287                 case InsetFig::DEF:
1288                         break;
1289                 case InsetFig::CM:// \resizebox*{h-length}{v-length}{text}
1290                         res = tostr(f) + "cm";
1291                         break;
1292                 case InsetFig::IN:
1293                         res = tostr(f) + "in";
1294                         break;
1295                 case InsetFig::PER_PAGE:
1296                         res = tostr(f/100) + "\\text" + suffix;
1297                         break;
1298                 case InsetFig::PER_COL:
1299                         // Doesn't occur for htype...
1300                         res = tostr(f/100) + "\\column" + suffix;
1301                         break;
1302         }
1303         return res;
1304 }
1305
1306 } // namespace anon
1307
1308
1309 void InsetFig::Regenerate() const
1310 {
1311         string cmdbuf;
1312         string resizeW, resizeH;
1313         string rotate, recmd;
1314
1315         if (fname.empty()) {
1316                 cmd = "\\fbox{\\rule[-0.5in]{0pt}{1in}";
1317                 cmd += _("empty figure path");
1318                 cmd += '}';
1319                 return;
1320         }
1321
1322         string buf1 = OnlyPath(owner->fileName());
1323         string fname2 = MakeRelPath(fname, buf1);
1324
1325         string gcmd = "\\includegraphics{" + fname2 + '}';
1326         resizeW = stringify(wtype, xwid, "width");
1327         resizeH = stringify(htype, xhgh, "height");
1328
1329         if (!resizeW.empty() || !resizeH.empty()) {
1330                 recmd = "\\resizebox*{";
1331                 if (!resizeW.empty())
1332                         recmd += resizeW;
1333                 else
1334                         recmd += '!';
1335                 recmd += "}{";
1336                 if (!resizeH.empty())
1337                         recmd += resizeH;
1338                 else
1339                         recmd += '!';
1340                 recmd += "}{";
1341         }
1342
1343
1344         if (angle != 0) {
1345                 // \rotatebox{angle}{text}
1346                 rotate = "\\rotatebox{" + tostr(angle) + "}{";
1347         }
1348
1349         cmdbuf = recmd;
1350         cmdbuf += rotate;
1351         cmdbuf += gcmd;
1352         if (!rotate.empty()) cmdbuf += '}';
1353         if (!recmd.empty()) cmdbuf += '}';
1354         if (subfigure) {
1355                 if (!subcaption.empty())
1356                         cmdbuf = "\\subfigure[" + subcaption +
1357                                 "]{" + cmdbuf + "}";
1358                 else
1359                         cmdbuf = "\\subfigure{" + cmdbuf + "}";
1360         }
1361
1362         cmd = cmdbuf;
1363 }
1364
1365
1366 void InsetFig::TempRegenerate()
1367 {
1368         string cmdbuf;
1369         string resizeW, resizeH;
1370         string rotate, recmd;
1371
1372         char const * tfname = fl_get_input(form->EpsFile);
1373         string tsubcap = fl_get_input(form->Subcaption);
1374         float tangle = atof(fl_get_input(form->Angle));
1375         float txwid = atof(fl_get_input(form->Width));
1376         float txhgh = atof(fl_get_input(form->Height));
1377
1378         if (!tfname || !*tfname) {
1379                 cmd = "\\fbox{\\rule[-0.5in]{0pt}{1in}";
1380                 cmd += _("empty figure path");
1381                 cmd += '}';
1382                 return;
1383         }
1384
1385         string buf1 = OnlyPath(owner->fileName());
1386         string fname2 = MakeRelPath(tfname, buf1);
1387         // \includegraphics*[<llx,lly>][<urx,ury>]{file}
1388         string gcmd = "\\includegraphics{" + fname2 + '}';
1389
1390         resizeW = stringify(twtype, txwid, "width");
1391         resizeH = stringify(thtype, txhgh, "height");
1392
1393         // \resizebox*{h-length}{v-length}{text}
1394         if (!resizeW.empty() || !resizeH.empty()) {
1395                 recmd = "\\resizebox*{";
1396                 if (!resizeW.empty())
1397                         recmd += resizeW;
1398                 else
1399                         recmd += '!';
1400                 recmd += "}{";
1401                 if (!resizeH.empty())
1402                         recmd += resizeH;
1403                 else
1404                         recmd += '!';
1405                 recmd += "}{";
1406         }
1407
1408         if (tangle != 0) {
1409                 // \rotatebox{angle}{text}
1410                 rotate = "\\rotatebox{" + tostr(tangle) + "}{";
1411         }
1412
1413         cmdbuf = recmd + rotate + gcmd;
1414         if (!rotate.empty()) cmdbuf += '}';
1415         if (!recmd.empty()) cmdbuf += '}';
1416         if (psubfigure && !tsubcap.empty()) {
1417                 cmdbuf = string("\\subfigure{") + tsubcap
1418                         + string("}{") + cmdbuf + "}";
1419         }
1420 }
1421
1422
1423 void InsetFig::Recompute()
1424 {
1425         if (!lyxrc.use_gui)
1426                 return;
1427
1428         bool changed = changedfname;
1429         int newx, newy, nraw_x, nraw_y;
1430
1431         if (changed) GetPSSizes();
1432
1433         float sin_a = sin (angle / DEG2PI);  /* rotation; H. Zeller 021296 */
1434         float cos_a = cos (angle / DEG2PI);
1435         int frame_wid = int(ceil(fabs(cos_a * pswid) + fabs(sin_a * pshgh)));
1436         int frame_hgh= int(ceil(fabs(cos_a * pshgh) + fabs(sin_a * pswid)));
1437
1438         string lfname = fname;
1439         if (GetExtension(fname).empty())
1440             lfname += ".eps";
1441
1442         /* now recompute wid and hgh, and if that is changed, set changed */
1443         /* this depends on chosen size of the picture and its bbox */
1444         // This will be redone in 0.13 ... (hen)
1445         if (!lfname.empty() && IsFileReadable(lfname)) {
1446                 // say, total width is 595 pts, as A4 in TeX, thats in 1/72" */
1447
1448                 newx = frame_wid;
1449                 newy = frame_hgh;
1450                 switch (wtype) {
1451                 case DEF:
1452                         break;
1453                 case CM:        /* cm */
1454                         newx = int(28.346 * xwid);
1455                         break;
1456                 case IN: /* in */
1457                         newx = int(72 * xwid);
1458                         break;
1459                 case PER_PAGE:  /* % of page */
1460                         newx = int(5.95 * xwid);
1461                         break;
1462                 case PER_COL:   /* % of col */
1463                         newx = int(2.975 * xwid);
1464                         break;
1465                 }
1466
1467                 if (wtype && frame_wid) newy = newx*frame_hgh/frame_wid;
1468
1469                 switch (htype) {
1470                 case DEF:
1471                         //lyxerr << "This should not happen!" << endl;
1472                         break;
1473                 case CM:        /* cm */
1474                         newy = int(28.346 * xhgh);
1475                         break;
1476                 case IN: /* in */
1477                         newy = int(72 * xhgh);
1478                         break;
1479                 case PER_PAGE:  /* % of page */
1480                         newy = int(8.42 * xhgh);
1481                         break;
1482                 case PER_COL:
1483                         // Doesn't occur; case exists to suppress
1484                         // compiler warnings.
1485                         break;
1486                 }
1487                 if (htype && !wtype && frame_hgh)
1488                         newx = newy*frame_wid/frame_hgh;
1489         } else {
1490                 newx = wid;
1491                 newy = hgh;
1492         }
1493
1494         if (frame_wid == 0)
1495                 nraw_x = 5;
1496         else
1497                 nraw_x = int((1.0 * pswid * newx)/frame_wid);
1498
1499         if (frame_hgh == 0)
1500                 nraw_y = 5;
1501         else
1502                 nraw_y = int((1.0 * pshgh * newy)/frame_hgh);
1503
1504         // cannot be zero, actually, set it to some minimum, so its clickable
1505         if (newx < 5) newx = 5;
1506         if (newy < 5) newy = 5;
1507
1508         if (newx   != wid     || newy   != hgh     ||
1509             nraw_x != raw_wid || nraw_y != raw_hgh ||
1510             flags  != pflags  || subfigure != psubfigure)
1511                 changed = true;
1512
1513         raw_wid = nraw_x;
1514         raw_hgh = nraw_y;
1515         wid = newx;
1516         hgh = newy;
1517         flags = pflags;
1518         subfigure = psubfigure;
1519
1520         if (changed) {
1521                 figdata * pf = figure->data;
1522
1523                 // get new data
1524                 if (!lfname.empty() && IsFileReadable(lfname) && (flags & 3)
1525                     && !lyxrc.ps_command.empty()) {
1526                         // do not display if there is "do not display"
1527                         // chosen (Matthias 260696)
1528                         figure->data = getfigdata(wid, hgh, lfname,
1529                                                   psx, psy, pswid, pshgh,
1530                                                   raw_wid, raw_hgh,
1531                                                   angle, flags & (3|8));
1532                 } else figure->data = 0;
1533
1534                 // free the old data
1535                 if (pf) freefigdata(pf);
1536         }
1537
1538         changedfname = false;
1539 }
1540
1541
1542 void InsetFig::GetPSSizes()
1543 {
1544         /* get %%BoundingBox: from postscript file */
1545
1546         /* defaults to associated size
1547          * ..just in case the PS-file is not readable (Henner, 24-Aug-97)
1548          */
1549         psx = 0;
1550         psy = 0;
1551         pswid = wid;
1552         pshgh = hgh;
1553
1554         if (fname.empty()) return;
1555         string p;
1556         ifstream ifs(fname.c_str());
1557
1558         if (!ifs) return;       // file not found !!!!
1559
1560         /* defaults to A4 page */
1561         psx = 0;
1562         psy = 0;
1563         pswid = 595;
1564         pshgh = 842;
1565
1566         char lastchar = 0; ifs.get(lastchar);
1567         for (;;) {
1568                 char c = 0; ifs.get(c);
1569                 if (ifs.eof()) {
1570                         lyxerr.debug() << "End of (E)PS file reached and"
1571                                 " no BoundingBox!" << endl;
1572                         break;
1573                 }
1574                 if (c == '%' && lastchar == '%') {
1575                         ifs >> p;
1576                         if (p.empty()) break;
1577                         lyxerr.debug() << "Token: `" << p << "'" << endl;
1578                         if (p == "BoundingBox:") {
1579                                 float fpsx, fpsy, fpswid, fpshgh;
1580                                 if (ifs >> fpsx >> fpsy >> fpswid >> fpshgh) {
1581                                         psx = int(fpsx);
1582                                         psy = int(fpsy);
1583                                         pswid = int(fpswid);
1584                                         pshgh = int(fpshgh);
1585                                 }
1586                                 if (lyxerr.debugging()) {
1587                                         lyxerr << "%%%%BoundingBox:"
1588                                                << psx << ' '
1589                                                << psy << ' '
1590                                                << pswid << ' '
1591                                                << pshgh << endl;
1592                                 }
1593                                 break;
1594                         }
1595                         c = 0;
1596                 }
1597                 lastchar = c;
1598         }
1599         pswid -= psx;
1600         pshgh -= psy;
1601
1602 }
1603
1604
1605 void InsetFig::CallbackFig(long arg)
1606 {
1607         bool regen = false;
1608         char const * p;
1609
1610         if (lyxerr.debugging()) {
1611                 lyxerr << "Figure callback, arg " << arg << endl;
1612         }
1613
1614         switch (arg) {
1615         case 10:
1616         case 11:
1617         case 12:        /* width type */
1618         case 13:
1619         case 14:
1620                 switch (arg - 10) {
1621                 case DEF:
1622                         twtype = DEF;
1623                         // put disable here
1624                         fl_deactivate_object(form->Width);
1625                         break;
1626                 case CM:
1627                         twtype = CM;
1628                         // put enable here
1629                         fl_activate_object(form->Width);
1630                         break;
1631                 case IN:
1632                         twtype = IN;
1633                         // put enable here
1634                         fl_activate_object(form->Width);
1635                         break;
1636                 case PER_PAGE:
1637                         twtype = PER_PAGE;
1638                         // put enable here
1639                         fl_activate_object(form->Width);
1640                         break;
1641                 case PER_COL:
1642                         twtype = PER_COL;
1643                         // put enable here
1644                         fl_activate_object(form->Width);
1645                         break;
1646                 default:
1647                         lyxerr.debug() << "Unknown type!" << endl;
1648                         break;
1649                 }
1650                 regen = true;
1651                 break;
1652         case 20:
1653         case 21:
1654         case 22:        /* height type */
1655         case 23:
1656                 switch (arg - 20) {
1657                 case DEF:
1658                         thtype = DEF;
1659                         // put disable here
1660                         fl_deactivate_object(form->Height);
1661                         break;
1662                 case CM:
1663                         thtype = CM;
1664                         // put enable here
1665                         fl_activate_object(form->Height);
1666                         break;
1667                 case IN:
1668                         thtype = IN;
1669                         // put enable here
1670                         fl_activate_object(form->Height);
1671                         break;
1672                 case PER_PAGE:
1673                         thtype = PER_PAGE;
1674                         // put enable here
1675                         fl_activate_object(form->Height);
1676                         break;
1677                 default:
1678                         lyxerr.debug() << "Unknown type!" << endl;
1679                         break;
1680                 }
1681                 regen = true;
1682                 break;
1683         case 3:
1684                 pflags = pflags & ~3;           /* wysiwyg0 */
1685                 break;
1686         case 33:
1687                 pflags = (pflags & ~3) | 1;     /* wysiwyg1 */
1688                 break;
1689         case 43:
1690                 pflags = (pflags & ~3) | 2;     /* wysiwyg2 */
1691                 break;
1692         case 63:
1693                 pflags = (pflags & ~3) | 3;     /* wysiwyg3 */
1694                 break;
1695         case 53:
1696                 pflags ^= 4;    /* frame */
1697                 break;
1698         case 54:
1699                 pflags ^= 8;    /* do translations */
1700                 break;
1701         case 70:
1702                 psubfigure = !psubfigure;       /* This is a subfigure */
1703                 break;
1704         case 2:
1705                 regen = true;           /* regenerate command */
1706                 break;
1707         case 0:                         /* browse file */
1708                 BrowseFile();
1709                 regen = true;
1710                 break;
1711         case 1:                         /* preview */
1712                 p = fl_get_input(form->EpsFile);
1713                 Preview(p);
1714                 break;
1715         case 7:                         /* apply */
1716         case 8:                         /* ok (apply and close) */
1717                 if (!current_view->buffer()->isReadonly()) {
1718                         wtype = twtype;
1719                         htype = thtype;
1720                         xwid = atof(fl_get_input(form->Width));
1721                         xhgh = atof(fl_get_input(form->Height));
1722                         angle = atof(fl_get_input(form->Angle));
1723                         p = fl_get_input(form->EpsFile);
1724                         if (p && *p) {
1725                                 string buf1 = OnlyPath(owner->fileName());
1726                                 fname = MakeAbsPath(p, buf1);
1727                                 changedfname = true;
1728                         } else {
1729                                 if (!fname.empty()) {
1730                                         changedfname = true;
1731                                         fname.erase();
1732                                 }
1733                         }
1734                         subcaption = fl_get_input(form->Subcaption);
1735
1736                         Regenerate();
1737                         Recompute();
1738                         /* now update inset */
1739                         if (lyxerr.debugging()) {
1740                                 lyxerr << "Update: ["
1741                                        << wid << 'x' << hgh << ']' << endl;
1742                         }
1743                         current_view->updateInset(this, true);
1744                         if (arg == 8) {
1745                                 fl_set_focus_object(form->Figure, form->OkBtn);
1746                                 fl_hide_form(form->Figure);
1747 #if FL_REVISION == 89
1748                                 // CHECK Reactivate this free_form calls
1749 #else
1750                                 fl_free_form(form->Figure);
1751                                 free(form); // Why free?
1752                                 form = 0;
1753 #endif
1754                         }
1755                         break;
1756                 } //if not readonly
1757                 //  The user has already been informed about RO in ::Edit
1758                 if (arg == 7) // if 'Apply'
1759                         break;
1760                 // fall through
1761         case 9:                         /* cancel = restore and close */
1762                 fl_set_focus_object(form->Figure, form->OkBtn);
1763                 fl_hide_form(form->Figure);
1764 #if FL_REVISION == 89
1765                 // CHECK Reactivate this free_form calls
1766                 // Jug, is this still a problem?
1767 #else
1768                 fl_free_form(form->Figure);
1769                 free(form); // Why free?
1770                 form = 0;
1771 #endif
1772                 break;
1773         }
1774
1775         if (regen) TempRegenerate();
1776 }
1777
1778
1779 inline
1780 void DisableFigurePanel(FD_Figure * const form)
1781 {
1782         fl_deactivate_object(form->EpsFile);
1783         fl_deactivate_object(form->Browse);
1784         fl_deactivate_object(form->Width);
1785         fl_deactivate_object(form->Height);
1786         fl_deactivate_object(form->Frame);
1787         fl_deactivate_object(form->Translations);
1788         fl_deactivate_object(form->Angle);
1789         fl_deactivate_object(form->HeightGrp);
1790         fl_deactivate_object(form->page2);
1791         fl_deactivate_object(form->Default2);
1792         fl_deactivate_object(form->cm2);
1793         fl_deactivate_object(form->in2);
1794         fl_deactivate_object(form->HeightLabel);
1795         fl_deactivate_object(form->WidthLabel);
1796         fl_deactivate_object(form->DisplayGrp);
1797         fl_deactivate_object(form->Wysiwyg3);
1798         fl_deactivate_object(form->Wysiwyg0);
1799         fl_deactivate_object(form->Wysiwyg2);
1800         fl_deactivate_object(form->Wysiwyg1);
1801         fl_deactivate_object(form->WidthGrp);
1802         fl_deactivate_object(form->Default1);
1803         fl_deactivate_object(form->cm1);
1804         fl_deactivate_object(form->in1);
1805         fl_deactivate_object(form->page1);
1806         fl_deactivate_object(form->column1);
1807         fl_deactivate_object(form->Subcaption);
1808         fl_deactivate_object(form->Subfigure);
1809         fl_deactivate_object (form->OkBtn);
1810         fl_deactivate_object (form->ApplyBtn);
1811         fl_set_object_lcol (form->OkBtn, FL_INACTIVE);
1812         fl_set_object_lcol (form->ApplyBtn, FL_INACTIVE);
1813 }
1814
1815
1816 inline
1817 void EnableFigurePanel(FD_Figure * const form)
1818 {
1819         fl_activate_object(form->EpsFile);
1820         fl_activate_object(form->Browse);
1821         fl_activate_object(form->Width);
1822         fl_activate_object(form->Height);
1823         fl_activate_object(form->Frame);
1824         fl_activate_object(form->Translations);
1825         fl_activate_object(form->Angle);
1826         fl_activate_object(form->HeightGrp);
1827         fl_activate_object(form->page2);
1828         fl_activate_object(form->Default2);
1829         fl_activate_object(form->cm2);
1830         fl_activate_object(form->in2);
1831         fl_activate_object(form->HeightLabel);
1832         fl_activate_object(form->WidthLabel);
1833         fl_activate_object(form->DisplayGrp);
1834         fl_activate_object(form->Wysiwyg3);
1835         fl_activate_object(form->Wysiwyg0);
1836         fl_activate_object(form->Wysiwyg2);
1837         fl_activate_object(form->Wysiwyg1);
1838         fl_activate_object(form->WidthGrp);
1839         fl_activate_object(form->Default1);
1840         fl_activate_object(form->cm1);
1841         fl_activate_object(form->in1);
1842         fl_activate_object(form->page1);
1843         fl_activate_object(form->column1);
1844         fl_activate_object(form->Subcaption);
1845         fl_activate_object(form->Subfigure);
1846         fl_activate_object (form->OkBtn);
1847         fl_activate_object (form->ApplyBtn);
1848         fl_set_object_lcol (form->OkBtn, FL_BLACK);
1849         fl_set_object_lcol (form->ApplyBtn, FL_BLACK);
1850 }
1851
1852
1853 void InsetFig::RestoreForm()
1854 {
1855         EnableFigurePanel(form);
1856
1857         twtype = wtype;
1858         fl_set_button(form->Default1, (wtype == 0));
1859         fl_set_button(form->cm1, (wtype == 1));
1860         fl_set_button(form->in1, (wtype == 2));
1861         fl_set_button(form->page1, (wtype == 3));
1862         fl_set_button(form->column1, (wtype == 4));
1863         if (wtype == 0) {
1864                 fl_deactivate_object(form->Width);
1865         } else {
1866                 fl_activate_object(form->Width);
1867         }
1868
1869         // enable and disable should be put here.
1870         thtype = htype;
1871         fl_set_button(form->Default2, (htype == 0));
1872         fl_set_button(form->cm2, (htype == 1));
1873         fl_set_button(form->in2, (htype == 2));
1874         fl_set_button(form->page2, (htype == 3));
1875         // enable and disable should be put here.
1876         if (htype == 0) {
1877                 fl_deactivate_object(form->Height);
1878         } else {
1879                 fl_activate_object(form->Height);
1880         }
1881
1882         int piflags = flags & 3;
1883         fl_set_button(form->Wysiwyg0, (piflags == 0));
1884         fl_set_button(form->Wysiwyg1, (piflags == 1));
1885         fl_set_button(form->Wysiwyg2, (piflags == 2));
1886         fl_set_button(form->Wysiwyg3, (piflags == 3));
1887         fl_set_button(form->Frame, ((flags & 4) != 0));
1888         fl_set_button(form->Translations, ((flags & 8) != 0));
1889         fl_set_button(form->Subfigure, (subfigure != 0));
1890         pflags = flags;
1891         psubfigure = subfigure;
1892         fl_set_input(form->Width, tostr(xwid).c_str());
1893         fl_set_input(form->Height, tostr(xhgh).c_str());
1894         fl_set_input(form->Angle, tostr(angle).c_str());
1895         if (!fname.empty()){
1896                 string buf1 = OnlyPath(owner->fileName());
1897                 string fname2 = MakeRelPath(fname, buf1);
1898                 fl_set_input(form->EpsFile, fname2.c_str());
1899         }
1900         else fl_set_input(form->EpsFile, "");
1901         fl_set_input(form->Subcaption, subcaption.c_str());
1902         if (current_view->buffer()->isReadonly())
1903                 DisableFigurePanel(form);
1904
1905         TempRegenerate();
1906 }
1907
1908
1909 void InsetFig::Preview(string const & p)
1910 {
1911         string tfname = p;
1912         if (GetExtension(tfname).empty())
1913             tfname += ".eps";
1914         string buf1 = OnlyPath(owner->fileName());
1915         string buf2 = MakeAbsPath(tfname, buf1);
1916         if (!formats.View(owner, buf2, "eps"))
1917                 lyxerr << "Can't view " << buf2 << endl;
1918 }
1919
1920 void InsetFig::BrowseFile()
1921 {
1922         static string current_figure_path;
1923         static int once = 0;
1924
1925         if (lyxerr.debugging()) {
1926                 lyxerr << "Filename: "
1927                        << owner->fileName() << endl;
1928         }
1929         string p = fl_get_input(form->EpsFile);
1930
1931         string buf = MakeAbsPath(owner->fileName());
1932         string buf2 = OnlyPath(buf);
1933         if (!p.empty()) {
1934                 buf = MakeAbsPath(p, buf2);
1935                 buf = OnlyPath(buf);
1936         } else {
1937                 buf = OnlyPath(owner->fileName());
1938         }
1939
1940         // Does user clipart directory exist?
1941         string bufclip = AddName (user_lyxdir, "clipart");
1942         FileInfo fileInfo(bufclip);
1943         if (!(fileInfo.isOK() && fileInfo.isDir()))
1944                 // No - bail out to system clipart directory
1945                 bufclip = AddName (system_lyxdir, "clipart");
1946
1947
1948         FileDialog fileDlg(current_view->owner(), _("Select an EPS figure"),
1949                 LFUN_SELECT_FILE_SYNC,
1950                 make_pair(string(_("Clip art")), string(bufclip)),
1951                 make_pair(string(_("Documents")), string(buf)));
1952
1953         bool error = false;
1954         do {
1955                 string const path = (once) ? current_figure_path : buf;
1956
1957                 FileDialog::Result result = fileDlg.Select(path, _("*ps| PostScript documents"));
1958
1959                 string const p = result.second;
1960
1961                 if (p.empty())
1962                         return;
1963
1964                 buf = MakeRelPath(p, buf2);
1965                 current_figure_path = OnlyPath(p);
1966                 once = 1;
1967
1968                 if (contains(p, "#") || contains(p, "~") || contains(p, "$")
1969                     || contains(p, "%") || contains(p, " ")) {
1970                         WriteAlert(_("Filename can't contain any "
1971                                      "of these characters:"),
1972                                    // xgettext:no-c-format
1973                                    _("space, '#', '~', '$' or '%'."));
1974                         error = true;
1975                 }
1976         } while (error);
1977
1978         if (form) fl_set_input(form->EpsFile, buf.c_str());
1979 }
1980
1981
1982 void GraphicsCB(FL_OBJECT * obj, long arg)
1983 {
1984         /* obj->form contains the form */
1985
1986         if (lyxerr.debugging()) {
1987                 lyxerr << "GraphicsCB callback: " << arg << endl;
1988         }
1989
1990         /* find inset we were reacting to */
1991         for (figures_type::iterator it = figures.begin();
1992              it != figures.end(); ++it)
1993                 if ((*it)->inset->form && (*it)->inset->form->Figure
1994                     == obj->form) {
1995                         if (lyxerr.debugging()) {
1996                                 lyxerr << "Calling back figure "
1997                                        << (*it) << endl;
1998                         }
1999                         (*it)->inset->CallbackFig(arg);
2000                         return;
2001                 }
2002 }
2003
2004
2005 void HideFiguresPopups()
2006 {
2007         for (figures_type::iterator it = figures.begin();
2008              it != figures.end(); ++it)
2009                 if ((*it)->inset->form
2010                     && (*it)->inset->form->Figure->visible) {
2011                         if (lyxerr.debugging()) {
2012                                 lyxerr << "Hiding figure " << (*it) << endl;
2013                         }
2014                         // hide and free the form
2015                         (*it)->inset->CallbackFig(9);
2016                 }
2017 }