src/inkscape.cpp

   1 /** @file
   2  * @brief Legacy interface to main application
   3  */
   4 /* Authors:
   5  *   Lauris Kaplinski <lauris@kaplinski.com>
   6  *   bulia byak <buliabyak@users.sf.net>
   7  *
   8  * Copyright (C) 1999-2005 authors
   9  * g++ port Copyright (C) 2003 Nathan Hurst
  10  *
  11  * Released under GNU GPL, read the file 'COPYING' for more information
  12  */
  13
  14 #ifdef HAVE_CONFIG_H
  15 # include "config.h"
  16 #endif
  17
  18
  19 #include <map>
  20 #include "debug/simple-event.h"
  21 #include "debug/event-tracker.h"
  22
  23 #ifndef WIN32
  24 # define HAS_PROC_SELF_EXE  //to get path of executable
  25 #else
  26
  27 // For now to get at is_os_wide().
  28 # include "extension/internal/win32.h"
  29 using Inkscape::Extension::Internal::PrintWin32;
  30
  31 #define _WIN32_IE 0x0400
  32 //#define HAS_SHGetSpecialFolderPath
  33 #define HAS_SHGetSpecialFolderLocation
  34 #define HAS_GetModuleFileName
  35 # include <shlobj.h>
  36 #endif
  37
  38 #include <cstring>
  39 #include <glib/gstdio.h>
  40 #include <glib.h>
  41 #include <glibmm/i18n.h>
  42 #include <gtk/gtkmain.h>
  43 #include <gtk/gtkmessagedialog.h>
  44 #include <gtkmm/messagedialog.h>
  45 #include <signal.h>
  46 #include <string>
  47 #include "application/application.h"
  48 #include "application/editor.h"
  49 #include "desktop.h"
  50 #include "desktop-handles.h"
  51 #include "dialogs/input.h"
  52 #include "document.h"
  53 #include "event-context.h"
  54 #include "extension/db.h"
  55 #include "extension/init.h"
  56 #include "extension/output.h"
  57 #include "extension/system.h"
  58 #include "helper/sp-marshal.h"
  59 #include "inkscape-private.h"
  60 #include "io/sys.h"
  61 #include "message-stack.h"
  62 #include "preferences.h"
  63 #include "selection.h"
  64 #include "ui/dialog/debug.h"
  65 #include "xml/repr.h"
  66
  67 static Inkscape::Application *inkscape = NULL;
  68
  69 /* Backbones of configuration xml data */
  70 #include "menus-skeleton.h"
  71
  72 enum {
  73     MODIFY_SELECTION, // global: one of selections modified
  74     CHANGE_SELECTION, // global: one of selections changed
  75     CHANGE_SUBSELECTION, // global: one of subselections (text selection, gradient handle, etc) changed
  76     SET_SELECTION, // global: one of selections set
  77     SET_EVENTCONTEXT, // tool switched
  78     ACTIVATE_DESKTOP, // some desktop got focus
  79     DEACTIVATE_DESKTOP, // some desktop lost focus
  80     SHUTDOWN_SIGNAL, // inkscape is quitting
  81     DIALOGS_HIDE, // user pressed F12
  82     DIALOGS_UNHIDE, // user pressed F12
  83     EXTERNAL_CHANGE, // a document was changed by some external means (undo or XML editor); this
  84                      // may not be reflected by a selection change and thus needs a separate signal
  85     LAST_SIGNAL
  86 };
  87
  88 #define DESKTOP_IS_ACTIVE(d) ((d) == inkscape->desktops->data)
  89
  90
  91 /*################################
  92 # FORWARD DECLARATIONS
  93 ################################*/
  94
  95 gboolean inkscape_app_use_gui( Inkscape::Application const * app );
  96
  97 static void inkscape_class_init (Inkscape::ApplicationClass *klass);
  98 static void inkscape_init (SPObject *object);
  99 static void inkscape_dispose (GObject *object);
 100
 101 static void inkscape_activate_desktop_private (Inkscape::Application *inkscape, SPDesktop *desktop);
 102 static void inkscape_deactivate_desktop_private (Inkscape::Application *inkscape, SPDesktop *desktop);
 103
 104 struct Inkscape::Application {
 105     GObject object;
 106     Inkscape::XML::Document *menus;
 107     std::map<SPDocument *, int> document_set;
 108     GSList *desktops;
 109     gchar *argv0;
 110     gboolean dialogs_toggle;
 111     gboolean use_gui;         // may want to consider a virtual function
 112                               // for overriding things like the warning dlg's
 113     guint mapalt;
 114     guint trackalt;
 115 };
 116
 117 struct Inkscape::ApplicationClass {
 118     GObjectClass object_class;
 119
 120     /* Signals */
 121     void (* change_selection) (Inkscape::Application * inkscape, Inkscape::Selection * selection);
 122     void (* change_subselection) (Inkscape::Application * inkscape, SPDesktop *desktop);
 123     void (* modify_selection) (Inkscape::Application * inkscape, Inkscape::Selection * selection, guint flags);
 124     void (* set_selection) (Inkscape::Application * inkscape, Inkscape::Selection * selection);
 125     void (* set_eventcontext) (Inkscape::Application * inkscape, SPEventContext * eventcontext);
 126     void (* activate_desktop) (Inkscape::Application * inkscape, SPDesktop * desktop);
 127     void (* deactivate_desktop) (Inkscape::Application * inkscape, SPDesktop * desktop);
 128     void (* destroy_document) (Inkscape::Application *inkscape, SPDocument *doc);
 129     void (* color_set) (Inkscape::Application *inkscape, SPColor *color, double opacity);
 130     void (* shut_down) (Inkscape::Application *inkscape);
 131     void (* dialogs_hide) (Inkscape::Application *inkscape);
 132     void (* dialogs_unhide) (Inkscape::Application *inkscape);
 133     void (* external_change) (Inkscape::Application *inkscape);
 134 };
 135
 136 static GObjectClass * parent_class;
 137 static guint inkscape_signals[LAST_SIGNAL] = {0};
 138
 139 static void (* segv_handler) (int) = SIG_DFL;
 140 static void (* abrt_handler) (int) = SIG_DFL;
 141 static void (* fpe_handler)  (int) = SIG_DFL;
 142 static void (* ill_handler)  (int) = SIG_DFL;
 143 static void (* bus_handler)  (int) = SIG_DFL;
 144
 145 #define INKSCAPE_PROFILE_DIR "Inkscape"
 146 #define INKSCAPE_LEGACY_PROFILE_DIR ".inkscape"
 147 #define MENUS_FILE "menus.xml"
 148
 149
 150 /**
 151  *  Retrieves the GType for the Inkscape Application object.
 152  */
 153 GType
 154 inkscape_get_type (void)
 155 {
 156     static GType type = 0;
 157     if (!type) {
 158         GTypeInfo info = {
 159             sizeof (Inkscape::ApplicationClass),
 160             NULL, NULL,
 161             (GClassInitFunc) inkscape_class_init,
 162             NULL, NULL,
 163             sizeof (Inkscape::Application),
 164             4,
 165             (GInstanceInitFunc) inkscape_init,
 166             NULL
 167         };
 168         type = g_type_register_static (G_TYPE_OBJECT, "Inkscape_Application", &info, (GTypeFlags)0);
 169     }
 170     return type;
 171 }
 172
 173
 174 /**
 175  *  Initializes the inkscape class, registering all of its signal handlers
 176  *  and virtual functions
 177  */
 178 static void
 179 inkscape_class_init (Inkscape::ApplicationClass * klass)
 180 {
 181     GObjectClass * object_class;
 182
 183     object_class = (GObjectClass *) klass;
 184
 185     parent_class = (GObjectClass *)g_type_class_peek_parent (klass);
 186
 187     inkscape_signals[MODIFY_SELECTION] = g_signal_new ("modify_selection",
 188                                G_TYPE_FROM_CLASS (klass),
 189                                G_SIGNAL_RUN_FIRST,
 190                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, modify_selection),
 191                                NULL, NULL,
 192                                sp_marshal_NONE__POINTER_UINT,
 193                                G_TYPE_NONE, 2,
 194                                G_TYPE_POINTER, G_TYPE_UINT);
 195     inkscape_signals[CHANGE_SELECTION] = g_signal_new ("change_selection",
 196                                G_TYPE_FROM_CLASS (klass),
 197                                G_SIGNAL_RUN_FIRST,
 198                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, change_selection),
 199                                NULL, NULL,
 200                                sp_marshal_NONE__POINTER,
 201                                G_TYPE_NONE, 1,
 202                                G_TYPE_POINTER);
 203     inkscape_signals[CHANGE_SUBSELECTION] = g_signal_new ("change_subselection",
 204                                G_TYPE_FROM_CLASS (klass),
 205                                G_SIGNAL_RUN_FIRST,
 206                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, change_subselection),
 207                                NULL, NULL,
 208                                sp_marshal_NONE__POINTER,
 209                                G_TYPE_NONE, 1,
 210                                G_TYPE_POINTER);
 211     inkscape_signals[SET_SELECTION] =    g_signal_new ("set_selection",
 212                                G_TYPE_FROM_CLASS (klass),
 213                                G_SIGNAL_RUN_FIRST,
 214                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, set_selection),
 215                                NULL, NULL,
 216                                sp_marshal_NONE__POINTER,
 217                                G_TYPE_NONE, 1,
 218                                G_TYPE_POINTER);
 219     inkscape_signals[SET_EVENTCONTEXT] = g_signal_new ("set_eventcontext",
 220                                G_TYPE_FROM_CLASS (klass),
 221                                G_SIGNAL_RUN_FIRST,
 222                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, set_eventcontext),
 223                                NULL, NULL,
 224                                sp_marshal_NONE__POINTER,
 225                                G_TYPE_NONE, 1,
 226                                G_TYPE_POINTER);
 227     inkscape_signals[ACTIVATE_DESKTOP] = g_signal_new ("activate_desktop",
 228                                G_TYPE_FROM_CLASS (klass),
 229                                G_SIGNAL_RUN_FIRST,
 230                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, activate_desktop),
 231                                NULL, NULL,
 232                                sp_marshal_NONE__POINTER,
 233                                G_TYPE_NONE, 1,
 234                                G_TYPE_POINTER);
 235     inkscape_signals[DEACTIVATE_DESKTOP] = g_signal_new ("deactivate_desktop",
 236                                G_TYPE_FROM_CLASS (klass),
 237                                G_SIGNAL_RUN_FIRST,
 238                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, deactivate_desktop),
 239                                NULL, NULL,
 240                                sp_marshal_NONE__POINTER,
 241                                G_TYPE_NONE, 1,
 242                                G_TYPE_POINTER);
 243     inkscape_signals[SHUTDOWN_SIGNAL] =        g_signal_new ("shut_down",
 244                                G_TYPE_FROM_CLASS (klass),
 245                                G_SIGNAL_RUN_FIRST,
 246                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, shut_down),
 247                                NULL, NULL,
 248                                g_cclosure_marshal_VOID__VOID,
 249                                G_TYPE_NONE, 0);
 250     inkscape_signals[DIALOGS_HIDE] =        g_signal_new ("dialogs_hide",
 251                                G_TYPE_FROM_CLASS (klass),
 252                                G_SIGNAL_RUN_FIRST,
 253                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, dialogs_hide),
 254                                NULL, NULL,
 255                                g_cclosure_marshal_VOID__VOID,
 256                                G_TYPE_NONE, 0);
 257     inkscape_signals[DIALOGS_UNHIDE] =        g_signal_new ("dialogs_unhide",
 258                                G_TYPE_FROM_CLASS (klass),
 259                                G_SIGNAL_RUN_FIRST,
 260                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, dialogs_unhide),
 261                                NULL, NULL,
 262                                g_cclosure_marshal_VOID__VOID,
 263                                G_TYPE_NONE, 0);
 264     inkscape_signals[EXTERNAL_CHANGE] =   g_signal_new ("external_change",
 265                                G_TYPE_FROM_CLASS (klass),
 266                                G_SIGNAL_RUN_FIRST,
 267                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, external_change),
 268                                NULL, NULL,
 269                                g_cclosure_marshal_VOID__VOID,
 270                                G_TYPE_NONE, 0);
 271
 272     object_class->dispose = inkscape_dispose;
 273
 274     klass->activate_desktop = inkscape_activate_desktop_private;
 275     klass->deactivate_desktop = inkscape_deactivate_desktop_private;
 276 }
 277
 278 #ifdef WIN32
 279 typedef int uid_t;
 280 #define getuid() 0
 281 #endif
 282
 283 /**
 284  * static gint inkscape_autosave(gpointer);
 285  *
 286  * Callback passed to g_timeout_add_seconds()
 287  * Responsible for autosaving all open documents
 288  */
 289 static gint inkscape_autosave(gpointer)
 290 {
 291     if (inkscape->document_set.empty()) { // nothing to autosave
 292         return TRUE;
 293     }
 294     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 295
 296     // Use UID for separating autosave-documents between users if directory is multiuser
 297     uid_t uid = getuid();
 298
 299     Glib::ustring autosave_dir;
 300     {
 301         Glib::ustring tmp = prefs->getString("/options/autosave/path");
 302         if (!tmp.empty()) {
 303             autosave_dir = tmp;
 304         } else {
 305             autosave_dir = Glib::get_tmp_dir();
 306         }
 307     }
 308
 309     GDir *autosave_dir_ptr = g_dir_open(autosave_dir.c_str(), 0, NULL);
 310     if( !autosave_dir_ptr ){
 311         g_warning("Cannot open autosave directory!");
 312         return TRUE;
 313     }
 314
 315     time_t sptime = time(NULL);
 316     struct tm *sptm = localtime(&sptime);
 317     gchar sptstr[256];
 318     strftime(sptstr, 256, "%Y_%m_%d_%H_%M_%S", sptm);
 319
 320     gint autosave_max = prefs->getInt("/options/autosave/max", 10);
 321
 322     gint docnum = 0;
 323
 324     SP_ACTIVE_DESKTOP->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Autosaving documents..."));
 325     for (std::map<SPDocument*,int>::iterator iter = inkscape->document_set.begin();
 326           iter != inkscape->document_set.end();
 327           ++iter) {
 328
 329         SPDocument *doc = iter->first;
 330
 331         ++docnum;
 332
 333         Inkscape::XML::Node *repr = sp_document_repr_root(doc);
 334         // g_debug("Document %d: \"%s\" %s", docnum, doc ? doc->name : "(null)", doc ? (doc->isModifiedSinceSave() ? "(dirty)" : "(clean)") : "(null)");
 335
 336         if (doc->isModifiedSinceSave()) {
 337             gchar *oldest_autosave = 0;
 338             const gchar  *filename = 0;
 339             struct stat sb;
 340             time_t min_time = 0;
 341             gint count = 0;
 342
 343             // Look for previous autosaves
 344             gchar* baseName = g_strdup_printf( "inkscape-autosave-%d", uid );
 345             g_dir_rewind(autosave_dir_ptr);
 346             while( (filename = g_dir_read_name(autosave_dir_ptr)) != NULL ){
 347                 if ( strncmp(filename, baseName, strlen(baseName)) == 0 ){
 348                     gchar* full_path = g_build_filename( autosave_dir.c_str(), filename, NULL );
 349                     if ( g_stat(full_path, &sb) != -1 ) {
 350                         if ( difftime(sb.st_ctime, min_time) < 0 || min_time == 0 ){
 351                             min_time = sb.st_ctime;
 352                             if ( oldest_autosave ) {
 353                                 g_free(oldest_autosave);
 354                             }
 355                             oldest_autosave = g_strdup(full_path);
 356                         }
 357                         count ++;
 358                     }
 359                     g_free(full_path);
 360                 }
 361             }
 362
 363             // g_debug("%d previous autosaves exists. Max = %d", count, autosave_max);
 364
 365             // Have we reached the limit for number of autosaves?
 366             if ( count >= autosave_max ){
 367                 // Remove the oldest file
 368                 if ( oldest_autosave ) {
 369                     unlink(oldest_autosave);
 370                 }
 371             }
 372
 373             if ( oldest_autosave ) {
 374                 g_free(oldest_autosave);
 375                 oldest_autosave = 0;
 376             }
 377
 378
 379             // Set the filename we will actually save to
 380             g_free(baseName);
 381             baseName = g_strdup_printf("inkscape-autosave-%d-%s-%03d.svg", uid, sptstr, docnum);
 382             gchar* full_path = g_build_filename(autosave_dir.c_str(), baseName, NULL);
 383             g_free(baseName);
 384             baseName = 0;
 385
 386             // g_debug("Filename: %s", full_path);
 387
 388             // Try to save the file
 389             FILE *file = Inkscape::IO::fopen_utf8name(full_path, "w");
 390             gchar *errortext = 0;
 391             if (file) {
 392                 try{
 393                     sp_repr_save_stream(repr->document(), file, SP_SVG_NS_URI);
 394                 } catch (Inkscape::Extension::Output::no_extension_found &e) {
 395                     errortext = g_strdup(_("Autosave failed! Could not find inkscape extension to save document."));
 396                 } catch (Inkscape::Extension::Output::save_failed &e) {
 397                     gchar *safeUri = Inkscape::IO::sanitizeString(full_path);
 398                     errortext = g_strdup_printf(_("Autosave failed! File %s could not be saved."), safeUri);
 399                     g_free(safeUri);
 400                 }
 401                 fclose(file);
 402             }
 403             else {
 404                 gchar *safeUri = Inkscape::IO::sanitizeString(full_path);
 405                 errortext = g_strdup_printf(_("Autosave failed! File %s could not be saved."), safeUri);
 406                 g_free(safeUri);
 407             }
 408
 409             if (errortext) {
 410                 SP_ACTIVE_DESKTOP->messageStack()->flash(Inkscape::ERROR_MESSAGE, errortext);
 411                 g_warning("%s", errortext);
 412                 g_free(errortext);
 413             }
 414
 415             g_free(full_path);
 416         }
 417     }
 418     g_dir_close(autosave_dir_ptr);
 419
 420     SP_ACTIVE_DESKTOP->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Autosave complete."));
 421
 422     return TRUE;
 423 }
 424
 425 void inkscape_autosave_init()
 426 {
 427     static guint32 autosave_timeout_id = 0;
 428     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 429
 430     // Turn off any previously initiated timeouts
 431     if ( autosave_timeout_id ) {
 432         g_source_remove(autosave_timeout_id);
 433         autosave_timeout_id = 0;
 434     }
 435
 436     // g_debug("options.autosave.enable = %d", prefs->getBool("/options/autosave/enable", true));
 437     // Is autosave enabled?
 438     if (!prefs->getBool("/options/autosave/enable", true)){
 439         autosave_timeout_id = 0;
 440     } else {
 441         // Turn on autosave
 442         guint32 timeout = prefs->getInt("/options/autosave/interval", 10) * 60;
 443         // g_debug("options.autosave.interval = %d", prefs->getInt("/options/autosave/interval", 10));
 444 #if GLIB_CHECK_VERSION(2,14,0)
 445         autosave_timeout_id = g_timeout_add_seconds(timeout, inkscape_autosave, NULL);
 446 #else
 447         autosave_timeout_id = g_timeout_add(timeout * 1000, inkscape_autosave, NULL);
 448 #endif
 449     }
 450 }
 451
 452
 453 static void
 454 inkscape_init (SPObject * object)
 455 {
 456     if (!inkscape) {
 457         inkscape = (Inkscape::Application *) object;
 458     } else {
 459         g_assert_not_reached ();
 460     }
 461
 462     new (&inkscape->document_set) std::map<SPDocument *, int>();
 463
 464     inkscape->menus = sp_repr_read_mem (_(menus_skeleton), MENUS_SKELETON_SIZE, NULL);
 465     inkscape->desktops = NULL;
 466     inkscape->dialogs_toggle = TRUE;
 467     inkscape->mapalt = GDK_MOD1_MASK;
 468     inkscape->trackalt = FALSE;
 469 }
 470
 471 static void
 472 inkscape_dispose (GObject *object)
 473 {
 474     Inkscape::Application *inkscape = (Inkscape::Application *) object;
 475
 476     g_assert (!inkscape->desktops);
 477
 478     Inkscape::Preferences::unload();
 479
 480     if (inkscape->menus) {
 481         /* fixme: This is not the best place */
 482         Inkscape::GC::release(inkscape->menus);
 483         inkscape->menus = NULL;
 484     }
 485
 486     inkscape->document_set.~map();
 487
 488     G_OBJECT_CLASS (parent_class)->dispose (object);
 489
 490     gtk_main_quit ();
 491 }
 492
 493
 494 void
 495 inkscape_ref (void)
 496 {
 497     if (inkscape)
 498         g_object_ref (G_OBJECT (inkscape));
 499 }
 500
 501
 502 void
 503 inkscape_unref (void)
 504 {
 505     if (inkscape)
 506         g_object_unref (G_OBJECT (inkscape));
 507 }
 508
 509 /* returns the mask of the keyboard modifier to map to Alt, zero if no mapping */
 510 /* Needs to be a guint because gdktypes.h does not define a 'no-modifier' value */
 511 guint
 512 inkscape_mapalt() {
 513     return inkscape->mapalt;
 514 }
 515
 516 /* Sets the keyboard modifer to map to Alt. Zero switches off mapping, as does '1', which is the default */
 517 void inkscape_mapalt(guint maskvalue)
 518 {
 519     if(maskvalue<2 || maskvalue> 5 ){  /* MOD5 is the highest defined in gdktypes.h */
 520         inkscape->mapalt=0;
 521     }else{
 522         inkscape->mapalt=(GDK_MOD1_MASK << (maskvalue-1));
 523     }
 524 }
 525
 526 guint
 527 inkscape_trackalt() {
 528     return inkscape->trackalt;
 529 }
 530
 531 void inkscape_trackalt(guint trackvalue)
 532 {
 533         inkscape->trackalt = trackvalue;
 534 }
 535
 536
 537 static void
 538 inkscape_activate_desktop_private (Inkscape::Application */*inkscape*/, SPDesktop *desktop)
 539 {
 540     desktop->set_active (true);
 541 }
 542
 543
 544 static void
 545 inkscape_deactivate_desktop_private (Inkscape::Application */*inkscape*/, SPDesktop *desktop)
 546 {
 547     desktop->set_active (false);
 548 }
 549
 550
 551 /* fixme: This is EVIL, and belongs to main after all */
 552
 553 #define SP_INDENT 8
 554
 555
 556 static void
 557 inkscape_crash_handler (int /*signum*/)
 558 {
 559     using Inkscape::Debug::SimpleEvent;
 560     using Inkscape::Debug::EventTracker;
 561     using Inkscape::Debug::Logger;
 562
 563     static gint recursion = FALSE;
 564
 565     /*
 566      * reset all signal handlers: any further crashes should just be allowed
 567      * to crash normally.
 568      * */
 569     signal (SIGSEGV, segv_handler );
 570     signal (SIGABRT, abrt_handler );
 571     signal (SIGFPE,  fpe_handler  );
 572     signal (SIGILL,  ill_handler  );
 573 #ifndef WIN32
 574     signal (SIGBUS,  bus_handler  );
 575 #endif
 576
 577     /* Stop bizarre loops */
 578     if (recursion) {
 579         abort ();
 580     }
 581     recursion = TRUE;
 582
 583     EventTracker<SimpleEvent<Inkscape::Debug::Event::CORE> > tracker("crash");
 584     tracker.set<SimpleEvent<> >("emergency-save");
 585
 586     fprintf(stderr, "\nEmergency save activated!\n");
 587
 588     time_t sptime = time (NULL);
 589     struct tm *sptm = localtime (&sptime);
 590     gchar sptstr[256];
 591     strftime (sptstr, 256, "%Y_%m_%d_%H_%M_%S", sptm);
 592
 593     gint count = 0;
 594     GSList *savednames = NULL;
 595     GSList *failednames = NULL;
 596     for (std::map<SPDocument*,int>::iterator iter = inkscape->document_set.begin();
 597           iter != inkscape->document_set.end();
 598           ++iter) {
 599         SPDocument *doc = iter->first;
 600         Inkscape::XML::Node *repr;
 601         repr = sp_document_repr_root (doc);
 602         if (doc->isModifiedSinceSave()) {
 603             const gchar *docname, *d0, *d;
 604             gchar n[64], c[1024];
 605             FILE *file;
 606
 607             /* originally, the document name was retrieved from
 608              * the sodipod:docname attribute */
 609             docname = doc->name;
 610             if (docname) {
 611                 /* fixme: Quick hack to remove emergency file suffix */
 612                 d0 = strrchr ((char*)docname, '.');
 613                 if (d0 && (d0 > docname)) {
 614                     d0 = strrchr ((char*)(d0 - 1), '.');
 615                     if (d0 && (d0 > docname)) {
 616                         d = d0;
 617                         while (isdigit (*d) || (*d == '.') || (*d == '_')) d += 1;
 618                         if (*d) {
 619                             memcpy (n, docname, MIN (d0 - docname - 1, 64));
 620                             n[63] = '\0';
 621                             docname = n;
 622                         }
 623                     }
 624                 }
 625             }
 626
 627             if (!docname || !*docname) docname = "emergency";
 628             // try saving to the profile location
 629             g_snprintf (c, 1024, "%.256s.%s.%d.svg", docname, sptstr, count);
 630             gchar * location = homedir_path(c);
 631             Inkscape::IO::dump_fopen_call(location, "E");
 632             file = Inkscape::IO::fopen_utf8name(location, "w");
 633             g_free(location);
 634             if (!file) {
 635                 // try saving to /tmp
 636                 g_snprintf (c, 1024, "/tmp/inkscape-%.256s.%s.%d.svg", docname, sptstr, count);
 637                 Inkscape::IO::dump_fopen_call(c, "G");
 638                 file = Inkscape::IO::fopen_utf8name(c, "w");
 639             }
 640             if (!file) {
 641                 // try saving to the current directory
 642                 g_snprintf (c, 1024, "inkscape-%.256s.%s.%d.svg", docname, sptstr, count);
 643                 Inkscape::IO::dump_fopen_call(c, "F");
 644                 file = Inkscape::IO::fopen_utf8name(c, "w");
 645             }
 646             if (file) {
 647                 sp_repr_save_stream (repr->document(), file, SP_SVG_NS_URI);
 648                 savednames = g_slist_prepend (savednames, g_strdup (c));
 649                 fclose (file);
 650             } else {
 651                 failednames = g_slist_prepend (failednames, (doc->name) ? g_strdup (doc->name) : g_strdup (_("Untitled document")));
 652             }
 653             count++;
 654         }
 655     }
 656
 657     savednames = g_slist_reverse (savednames);
 658     failednames = g_slist_reverse (failednames);
 659     if (savednames) {
 660         fprintf (stderr, "\nEmergency save document locations:\n");
 661         for (GSList *l = savednames; l != NULL; l = l->next) {
 662             fprintf (stderr, "  %s\n", (gchar *) l->data);
 663         }
 664     }
 665     if (failednames) {
 666         fprintf (stderr, "\nFailed to do emergency save for documents:\n");
 667         for (GSList *l = failednames; l != NULL; l = l->next) {
 668             fprintf (stderr, "  %s\n", (gchar *) l->data);
 669         }
 670     }
 671
 672     // do not save the preferences since they can be in a corrupted state
 673     Inkscape::Preferences::unload(false);
 674
 675     fprintf (stderr, "Emergency save completed. Inkscape will close now.\n");
 676     fprintf (stderr, "If you can reproduce this crash, please file a bug at www.inkscape.org\n");
 677     fprintf (stderr, "with a detailed description of the steps leading to the crash, so we can fix it.\n");
 678
 679     /* Show nice dialog box */
 680
 681     char const *istr = _("Inkscape encountered an internal error and will close now.\n");
 682     char const *sstr = _("Automatic backups of unsaved documents were done to the following locations:\n");
 683     char const *fstr = _("Automatic backup of the following documents failed:\n");
 684     gint nllen = strlen ("\n");
 685     gint len = strlen (istr) + strlen (sstr) + strlen (fstr);
 686     for (GSList *l = savednames; l != NULL; l = l->next) {
 687         len = len + SP_INDENT + strlen ((gchar *) l->data) + nllen;
 688     }
 689     for (GSList *l = failednames; l != NULL; l = l->next) {
 690         len = len + SP_INDENT + strlen ((gchar *) l->data) + nllen;
 691     }
 692     len += 1;
 693     gchar *b = g_new (gchar, len);
 694     gint pos = 0;
 695     len = strlen (istr);
 696     memcpy (b + pos, istr, len);
 697     pos += len;
 698     if (savednames) {
 699         len = strlen (sstr);
 700         memcpy (b + pos, sstr, len);
 701         pos += len;
 702         for (GSList *l = savednames; l != NULL; l = l->next) {
 703             memset (b + pos, ' ', SP_INDENT);
 704             pos += SP_INDENT;
 705             len = strlen ((gchar *) l->data);
 706             memcpy (b + pos, l->data, len);
 707             pos += len;
 708             memcpy (b + pos, "\n", nllen);
 709             pos += nllen;
 710         }
 711     }
 712     if (failednames) {
 713         len = strlen (fstr);
 714         memcpy (b + pos, fstr, len);
 715         pos += len;
 716         for (GSList *l = failednames; l != NULL; l = l->next) {
 717             memset (b + pos, ' ', SP_INDENT);
 718             pos += SP_INDENT;
 719             len = strlen ((gchar *) l->data);
 720             memcpy (b + pos, l->data, len);
 721             pos += len;
 722             memcpy (b + pos, "\n", nllen);
 723             pos += nllen;
 724         }
 725     }
 726     *(b + pos) = '\0';
 727
 728     if ( inkscape_get_instance() && inkscape_app_use_gui( inkscape_get_instance() ) ) {
 729         GtkWidget *msgbox = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", b);
 730         gtk_dialog_run (GTK_DIALOG (msgbox));
 731         gtk_widget_destroy (msgbox);
 732     }
 733     else
 734     {
 735         g_message( "Error: %s", b );
 736     }
 737     g_free (b);
 738
 739     tracker.clear();
 740     Logger::shutdown();
 741
 742     /* on exit, allow restored signal handler to take over and crash us */
 743 }
 744
 745
 746 class InkErrorHandler : public Inkscape::ErrorReporter {
 747 public:
 748     InkErrorHandler(bool useGui) : Inkscape::ErrorReporter(),
 749                                    _useGui(useGui)
 750     {}
 751     virtual ~InkErrorHandler() {}
 752
 753     virtual void handleError( Glib::ustring const& primary, Glib::ustring const& secondary ) const
 754     {
 755         if (_useGui) {
 756             Gtk::MessageDialog err(primary, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_OK, true);
 757             err.set_secondary_text(secondary);
 758             err.run();
 759         } else {
 760             g_message("%s", primary.data());
 761             g_message("%s", secondary.data());
 762         }
 763     }
 764
 765 private:
 766     bool _useGui;
 767 };
 768
 769 void
 770 inkscape_application_init (const gchar *argv0, gboolean use_gui)
 771 {
 772     inkscape = (Inkscape::Application *)g_object_new (SP_TYPE_INKSCAPE, NULL);
 773     /* fixme: load application defaults */
 774
 775     segv_handler = signal (SIGSEGV, inkscape_crash_handler);
 776     abrt_handler = signal (SIGABRT, inkscape_crash_handler);
 777     fpe_handler  = signal (SIGFPE,  inkscape_crash_handler);
 778     ill_handler  = signal (SIGILL,  inkscape_crash_handler);
 779 #ifndef WIN32
 780     bus_handler  = signal (SIGBUS,  inkscape_crash_handler);
 781 #endif
 782
 783     inkscape->use_gui = use_gui;
 784     inkscape->argv0 = g_strdup(argv0);
 785
 786     /* Load the preferences and menus */
 787     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 788     InkErrorHandler* handler = new InkErrorHandler(use_gui);
 789     prefs->setErrorHandler(handler);
 790     {
 791         Glib::ustring msg;
 792         Glib::ustring secondary;
 793         if (prefs->getLastError( msg, secondary )) {
 794             handler->handleError(msg, secondary);
 795         }
 796     }
 797
 798     inkscape_load_menus(inkscape);
 799     sp_input_load_from_preferences();
 800
 801     /* set language for user interface according setting in preferences */
 802     Glib::ustring ui_language = prefs->getString("/ui/language");
 803     if(!ui_language.empty())
 804     {
 805         setenv("LANGUAGE", ui_language, 1);
 806     }
 807
 808     /* DebugDialog redirection.  On Linux, default to OFF, on Win32, default to ON.
 809      * Use only if use_gui is enabled
 810      */
 811 #ifdef WIN32
 812 #define DEFAULT_LOG_REDIRECT true
 813 #else
 814 #define DEFAULT_LOG_REDIRECT false
 815 #endif
 816
 817     if (use_gui == TRUE && prefs->getBool("/dialogs/debug/redirect", DEFAULT_LOG_REDIRECT))
 818     {
 819         Inkscape::UI::Dialog::DebugDialog::getInstance()->captureLogMessages();
 820     }
 821
 822     /* Check for global remapping of Alt key */
 823     if (use_gui)
 824     {
 825         inkscape_mapalt(guint(prefs->getInt("/options/mapalt/value", 0)));
 826         inkscape_trackalt(guint(prefs->getInt("/options/trackalt/value", 0)));
 827     }
 828
 829     /* Initialize the extensions */
 830     Inkscape::Extension::init();
 831
 832     inkscape_autosave_init();
 833
 834     return;
 835 }
 836
 837 /**
 838  *  Returns the current Inkscape::Application global object
 839  */
 840 Inkscape::Application *
 841 inkscape_get_instance()
 842 {
 843         return inkscape;
 844 }
 845
 846 gboolean inkscape_app_use_gui( Inkscape::Application const * app )
 847 {
 848     return app->use_gui;
 849 }
 850
 851 /**
 852  *  Menus management
 853  *
 854  */
 855 bool inkscape_load_menus (Inkscape::Application */*inkscape*/)
 856 {
 857     gchar *fn = profile_path(MENUS_FILE);
 858     gchar *menus_xml = NULL; gsize len = 0;
 859
 860     if (g_file_get_contents(fn, &menus_xml, &len, NULL)) {
 861         // load the menus_xml file
 862         INKSCAPE->menus = sp_repr_read_mem(menus_xml, len, NULL);
 863         g_free(menus_xml);
 864         if (INKSCAPE->menus) return true;
 865     }
 866     INKSCAPE->menus = sp_repr_read_mem(menus_skeleton, MENUS_SKELETON_SIZE, NULL);
 867     if (INKSCAPE->menus) return true;
 868     return false;
 869 }
 870
 871
 872 void
 873 inkscape_selection_modified (Inkscape::Selection *selection, guint flags)
 874 {
 875     if (Inkscape::NSApplication::Application::getNewGui()) {
 876         Inkscape::NSApplication::Editor::selectionModified (selection, flags);
 877         return;
 878     }
 879     g_return_if_fail (selection != NULL);
 880
 881     if (DESKTOP_IS_ACTIVE (selection->desktop())) {
 882         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[MODIFY_SELECTION], 0, selection, flags);
 883     }
 884 }
 885
 886
 887 void
 888 inkscape_selection_changed (Inkscape::Selection * selection)
 889 {
 890     if (Inkscape::NSApplication::Application::getNewGui()) {
 891         Inkscape::NSApplication::Editor::selectionChanged (selection);
 892         return;
 893     }
 894     g_return_if_fail (selection != NULL);
 895
 896     if (DESKTOP_IS_ACTIVE (selection->desktop())) {
 897         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, selection);
 898     }
 899 }
 900
 901 void
 902 inkscape_subselection_changed (SPDesktop *desktop)
 903 {
 904     if (Inkscape::NSApplication::Application::getNewGui()) {
 905         Inkscape::NSApplication::Editor::subSelectionChanged (desktop);
 906         return;
 907     }
 908     g_return_if_fail (desktop != NULL);
 909
 910     if (DESKTOP_IS_ACTIVE (desktop)) {
 911         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SUBSELECTION], 0, desktop);
 912     }
 913 }
 914
 915
 916 void
 917 inkscape_selection_set (Inkscape::Selection * selection)
 918 {
 919     if (Inkscape::NSApplication::Application::getNewGui()) {
 920         Inkscape::NSApplication::Editor::selectionSet (selection);
 921         return;
 922     }
 923     g_return_if_fail (selection != NULL);
 924
 925     if (DESKTOP_IS_ACTIVE (selection->desktop())) {
 926         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, selection);
 927         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, selection);
 928     }
 929 }
 930
 931
 932 void
 933 inkscape_eventcontext_set (SPEventContext * eventcontext)
 934 {
 935     if (Inkscape::NSApplication::Application::getNewGui()) {
 936         Inkscape::NSApplication::Editor::eventContextSet (eventcontext);
 937         return;
 938     }
 939     g_return_if_fail (eventcontext != NULL);
 940     g_return_if_fail (SP_IS_EVENT_CONTEXT (eventcontext));
 941
 942     if (DESKTOP_IS_ACTIVE (eventcontext->desktop)) {
 943         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, eventcontext);
 944     }
 945 }
 946
 947
 948 void
 949 inkscape_add_desktop (SPDesktop * desktop)
 950 {
 951     g_return_if_fail (desktop != NULL);
 952
 953     if (Inkscape::NSApplication::Application::getNewGui())
 954     {
 955         Inkscape::NSApplication::Editor::addDesktop (desktop);
 956         return;
 957     }
 958     g_return_if_fail (inkscape != NULL);
 959
 960     g_assert (!g_slist_find (inkscape->desktops, desktop));
 961
 962     inkscape->desktops = g_slist_prepend (inkscape->desktops, desktop);
 963
 964     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, desktop);
 965     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, sp_desktop_event_context (desktop));
 966     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, sp_desktop_selection (desktop));
 967     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, sp_desktop_selection (desktop));
 968 }
 969
 970
 971
 972 void
 973 inkscape_remove_desktop (SPDesktop * desktop)
 974 {
 975     g_return_if_fail (desktop != NULL);
 976     if (Inkscape::NSApplication::Application::getNewGui())
 977     {
 978         Inkscape::NSApplication::Editor::removeDesktop (desktop);
 979         return;
 980     }
 981     g_return_if_fail (inkscape != NULL);
 982
 983     g_assert (g_slist_find (inkscape->desktops, desktop));
 984
 985     if (DESKTOP_IS_ACTIVE (desktop)) {
 986         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DEACTIVATE_DESKTOP], 0, desktop);
 987         if (inkscape->desktops->next != NULL) {
 988             SPDesktop * new_desktop = (SPDesktop *) inkscape->desktops->next->data;
 989             inkscape->desktops = g_slist_remove (inkscape->desktops, new_desktop);
 990             inkscape->desktops = g_slist_prepend (inkscape->desktops, new_desktop);
 991             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, new_desktop);
 992             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, sp_desktop_event_context (new_desktop));
 993             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, sp_desktop_selection (new_desktop));
 994             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, sp_desktop_selection (new_desktop));
 995         } else {
 996             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, NULL);
 997             if (sp_desktop_selection(desktop))
 998                 sp_desktop_selection(desktop)->clear();
 999         }
1000     }
1001
1002     inkscape->desktops = g_slist_remove (inkscape->desktops, desktop);
1003
1004     // if this was the last desktop, shut down the program
1005     if (inkscape->desktops == NULL) {
1006         inkscape_exit (inkscape);
1007     }
1008 }
1009
1010
1011
1012 void
1013 inkscape_activate_desktop (SPDesktop * desktop)
1014 {
1015     g_return_if_fail (desktop != NULL);
1016     if (Inkscape::NSApplication::Application::getNewGui())
1017     {
1018         Inkscape::NSApplication::Editor::activateDesktop (desktop);
1019         return;
1020     }
1021     g_return_if_fail (inkscape != NULL);
1022
1023     if (DESKTOP_IS_ACTIVE (desktop)) {
1024         return;
1025     }
1026
1027     g_assert (g_slist_find (inkscape->desktops, desktop));
1028
1029     SPDesktop *current = (SPDesktop *) inkscape->desktops->data;
1030
1031     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DEACTIVATE_DESKTOP], 0, current);
1032
1033     inkscape->desktops = g_slist_remove (inkscape->desktops, desktop);
1034     inkscape->desktops = g_slist_prepend (inkscape->desktops, desktop);
1035
1036     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, desktop);
1037     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, sp_desktop_event_context (desktop));
1038     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, sp_desktop_selection (desktop));
1039     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, sp_desktop_selection (desktop));
1040 }
1041
1042
1043 /**
1044  *  Resends ACTIVATE_DESKTOP for current desktop; needed when a new desktop has got its window that dialogs will transientize to
1045  */
1046 void
1047 inkscape_reactivate_desktop (SPDesktop * desktop)
1048 {
1049     g_return_if_fail (desktop != NULL);
1050     if (Inkscape::NSApplication::Application::getNewGui())
1051     {
1052         Inkscape::NSApplication::Editor::reactivateDesktop (desktop);
1053         return;
1054     }
1055     g_return_if_fail (inkscape != NULL);
1056
1057     if (DESKTOP_IS_ACTIVE (desktop))
1058         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, desktop);
1059 }
1060
1061
1062
1063 SPDesktop *
1064 inkscape_find_desktop_by_dkey (unsigned int dkey)
1065 {
1066     for (GSList *r = inkscape->desktops; r; r = r->next) {
1067         if (((SPDesktop *) r->data)->dkey == dkey)
1068             return ((SPDesktop *) r->data);
1069     }
1070     return NULL;
1071 }
1072
1073
1074
1075
1076 unsigned int
1077 inkscape_maximum_dkey()
1078 {
1079     unsigned int dkey = 0;
1080
1081     for (GSList *r = inkscape->desktops; r; r = r->next) {
1082         if (((SPDesktop *) r->data)->dkey > dkey)
1083             dkey = ((SPDesktop *) r->data)->dkey;
1084     }
1085
1086     return dkey;
1087 }
1088
1089
1090
1091 SPDesktop *
1092 inkscape_next_desktop ()
1093 {
1094     SPDesktop *d = NULL;
1095     unsigned int dkey_current = ((SPDesktop *) inkscape->desktops->data)->dkey;
1096
1097     if (dkey_current < inkscape_maximum_dkey()) {
1098         // find next existing
1099         for (unsigned int i = dkey_current + 1; i <= inkscape_maximum_dkey(); i++) {
1100             d = inkscape_find_desktop_by_dkey (i);
1101             if (d) {
1102                 break;
1103             }
1104         }
1105     } else {
1106         // find first existing
1107         for (unsigned int i = 0; i <= inkscape_maximum_dkey(); i++) {
1108             d = inkscape_find_desktop_by_dkey (i);
1109             if (d) {
1110                 break;
1111             }
1112         }
1113     }
1114
1115     g_assert (d);
1116
1117     return d;
1118 }
1119
1120
1121
1122 SPDesktop *
1123 inkscape_prev_desktop ()
1124 {
1125     SPDesktop *d = NULL;
1126     unsigned int dkey_current = ((SPDesktop *) inkscape->desktops->data)->dkey;
1127
1128     if (dkey_current > 0) {
1129         // find prev existing
1130         for (signed int i = dkey_current - 1; i >= 0; i--) {
1131             d = inkscape_find_desktop_by_dkey (i);
1132             if (d) {
1133                 break;
1134             }
1135         }
1136     }
1137     if (!d) {
1138         // find last existing
1139         d = inkscape_find_desktop_by_dkey (inkscape_maximum_dkey());
1140     }
1141
1142     g_assert (d);
1143
1144     return d;
1145 }
1146
1147
1148
1149 void
1150 inkscape_switch_desktops_next ()
1151 {
1152     inkscape_next_desktop()->presentWindow();
1153 }
1154
1155
1156
1157 void
1158 inkscape_switch_desktops_prev ()
1159 {
1160     inkscape_prev_desktop()->presentWindow();
1161 }
1162
1163
1164
1165 void
1166 inkscape_dialogs_hide ()
1167 {
1168     if (Inkscape::NSApplication::Application::getNewGui())
1169         Inkscape::NSApplication::Editor::hideDialogs();
1170     else
1171     {
1172         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DIALOGS_HIDE], 0);
1173         inkscape->dialogs_toggle = FALSE;
1174     }
1175 }
1176
1177
1178
1179 void
1180 inkscape_dialogs_unhide ()
1181 {
1182     if (Inkscape::NSApplication::Application::getNewGui())
1183         Inkscape::NSApplication::Editor::unhideDialogs();
1184     else
1185     {
1186         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DIALOGS_UNHIDE], 0);
1187         inkscape->dialogs_toggle = TRUE;
1188     }
1189 }
1190
1191
1192
1193 void
1194 inkscape_dialogs_toggle ()
1195 {
1196     if (inkscape->dialogs_toggle) {
1197         inkscape_dialogs_hide ();
1198     } else {
1199         inkscape_dialogs_unhide ();
1200     }
1201 }
1202
1203 void
1204 inkscape_external_change ()
1205 {
1206     g_return_if_fail (inkscape != NULL);
1207
1208     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[EXTERNAL_CHANGE], 0);
1209 }
1210
1211 /**
1212  * fixme: These need probably signals too
1213  */
1214 void
1215 inkscape_add_document (SPDocument *document)
1216 {
1217     g_return_if_fail (document != NULL);
1218
1219     if (!Inkscape::NSApplication::Application::getNewGui())
1220     {
1221         // try to insert the pair into the list
1222         if (!(inkscape->document_set.insert(std::make_pair(document, 1)).second)) {
1223             //insert failed, this key (document) is already in the list
1224             for (std::map<SPDocument*,int>::iterator iter = inkscape->document_set.begin();
1225                    iter != inkscape->document_set.end();
1226                    ++iter) {
1227                 if (iter->first == document) {
1228                     // found this document in list, increase its count
1229                     iter->second ++;
1230                 }
1231            }
1232         }
1233     }
1234     else
1235     {
1236         Inkscape::NSApplication::Editor::addDocument (document);
1237     }
1238 }
1239
1240
1241 // returns true if this was last reference to this document, so you can delete it
1242 bool
1243 inkscape_remove_document (SPDocument *document)
1244 {
1245     g_return_val_if_fail (document != NULL, false);
1246
1247     if (!Inkscape::NSApplication::Application::getNewGui())
1248     {
1249         for (std::map<SPDocument*,int>::iterator iter = inkscape->document_set.begin();
1250                   iter != inkscape->document_set.end();
1251                   ++iter) {
1252             if (iter->first == document) {
1253                 // found this document in list, decrease its count
1254                 iter->second --;
1255                 if (iter->second < 1) {
1256                     // this was the last one, remove the pair from list
1257                     inkscape->document_set.erase (iter);
1258                     return true;
1259                 } else {
1260                     return false;
1261                 }
1262             }
1263         }
1264     }
1265     else
1266     {
1267         Inkscape::NSApplication::Editor::removeDocument (document);
1268     }
1269
1270     return false;
1271 }
1272
1273 SPDesktop *
1274 inkscape_active_desktop (void)
1275 {
1276     if (Inkscape::NSApplication::Application::getNewGui())
1277         return Inkscape::NSApplication::Editor::getActiveDesktop();
1278
1279     if (inkscape->desktops == NULL) {
1280         return NULL;
1281     }
1282
1283     return (SPDesktop *) inkscape->desktops->data;
1284 }
1285
1286 SPDocument *
1287 inkscape_active_document (void)
1288 {
1289     if (Inkscape::NSApplication::Application::getNewGui())
1290         return Inkscape::NSApplication::Editor::getActiveDocument();
1291
1292     if (SP_ACTIVE_DESKTOP) {
1293         return sp_desktop_document (SP_ACTIVE_DESKTOP);
1294     }
1295
1296     return NULL;
1297 }
1298
1299 bool inkscape_is_sole_desktop_for_document(SPDesktop const &desktop) {
1300     SPDocument const* document = desktop.doc();
1301     if (!document) {
1302         return false;
1303     }
1304     for ( GSList *iter = inkscape->desktops ; iter ; iter = iter->next ) {
1305         SPDesktop *other_desktop=(SPDesktop *)iter->data;
1306         SPDocument *other_document=other_desktop->doc();
1307         if ( other_document == document && other_desktop != &desktop ) {
1308             return false;
1309         }
1310     }
1311     return true;
1312 }
1313
1314 SPEventContext *
1315 inkscape_active_event_context (void)
1316 {
1317     if (SP_ACTIVE_DESKTOP) {
1318         return sp_desktop_event_context (SP_ACTIVE_DESKTOP);
1319     }
1320
1321     return NULL;
1322 }
1323
1324
1325
1326 /*#####################
1327 # HELPERS
1328 #####################*/
1329
1330 void
1331 inkscape_refresh_display (Inkscape::Application *inkscape)
1332 {
1333     for (GSList *l = inkscape->desktops; l != NULL; l = l->next) {
1334         (static_cast<Inkscape::UI::View::View*>(l->data))->requestRedraw();
1335     }
1336 }
1337
1338
1339 /**
1340  *  Handler for Inkscape's Exit verb.  This emits the shutdown signal,
1341  *  saves the preferences if appropriate, and quits.
1342  */
1343 void
1344 inkscape_exit (Inkscape::Application */*inkscape*/)
1345 {
1346     g_assert (INKSCAPE);
1347
1348     //emit shutdown signal so that dialogs could remember layout
1349     g_signal_emit (G_OBJECT (INKSCAPE), inkscape_signals[SHUTDOWN_SIGNAL], 0);
1350
1351     Inkscape::Preferences::unload();
1352     gtk_main_quit ();
1353 }
1354
1355 char *
1356 homedir_path(const char *filename)
1357 {
1358     static const gchar *homedir = NULL;
1359     if (!homedir) {
1360         homedir = g_get_home_dir();
1361     }
1362     if (!homedir) {
1363         homedir = g_path_get_dirname(INKSCAPE->argv0);
1364     }
1365     return g_build_filename(homedir, filename, NULL);
1366 }
1367
1368
1369 /**
1370  * Get, or guess, or decide the location where the preferences.xml
1371  * file should be located.
1372  */
1373 gchar *
1374 profile_path(const char *filename)
1375 {
1376     static const gchar *prefdir = NULL;
1377     if (!prefdir) {
1378 #ifdef HAS_SHGetSpecialFolderLocation
1379         // prefer c:\Documents and Settings\UserName\Application Data\ to
1380         // c:\Documents and Settings\userName\;
1381         if (!prefdir) {
1382             ITEMIDLIST *pidl = 0;
1383             if ( SHGetSpecialFolderLocation( NULL, CSIDL_APPDATA, &pidl ) == NOERROR ) {
1384                 gchar * utf8Path = NULL;
1385
1386                 if ( PrintWin32::is_os_wide() ) {
1387                     wchar_t pathBuf[MAX_PATH+1];
1388                     g_assert(sizeof(wchar_t) == sizeof(gunichar2));
1389
1390                     if ( SHGetPathFromIDListW( pidl, pathBuf ) ) {
1391                         utf8Path = g_utf16_to_utf8( (gunichar2*)(&pathBuf[0]), -1, NULL, NULL, NULL );
1392                     }
1393                 } else {
1394                     char pathBuf[MAX_PATH+1];
1395
1396                     if ( SHGetPathFromIDListA( pidl, pathBuf ) ) {
1397                         utf8Path = g_filename_to_utf8( pathBuf, -1, NULL, NULL, NULL );
1398                     }
1399                 }
1400
1401                 if ( utf8Path ) {
1402                     if (!g_utf8_validate(utf8Path, -1, NULL)) {
1403                         g_warning( "SHGetPathFromIDList%c() resulted in invalid UTF-8", (PrintWin32::is_os_wide() ? 'W' : 'A') );
1404                         g_free( utf8Path );
1405                         utf8Path = 0;
1406                     } else {
1407                         prefdir = utf8Path;
1408                     }
1409                 }
1410
1411
1412                 /* not compiling yet...
1413
1414                 // Remember to free the list pointer
1415                 IMalloc * imalloc = 0;
1416                 if ( SHGetMalloc(&imalloc) == NOERROR) {
1417                     imalloc->lpVtbl->Free( imalloc, pidl );
1418                     imalloc->lpVtbl->Release( imalloc );
1419                 }
1420                 */
1421             }
1422
1423             if (prefdir) {
1424                 prefdir = g_build_filename(prefdir, INKSCAPE_PROFILE_DIR, NULL);
1425             }
1426         }
1427 #endif
1428         if (!prefdir) {
1429             prefdir = g_build_filename(g_get_user_config_dir(), INKSCAPE_PROFILE_DIR, NULL);
1430             gchar * legacyDir = homedir_path(INKSCAPE_LEGACY_PROFILE_DIR);
1431
1432             // TODO here is a point to hook in preference migration
1433
1434             if ( !Inkscape::IO::file_test( prefdir, G_FILE_TEST_EXISTS ) && Inkscape::IO::file_test( legacyDir, G_FILE_TEST_EXISTS ) ) {
1435                 prefdir = legacyDir;
1436             } else {
1437                 g_free(legacyDir);
1438                 legacyDir = 0;
1439             }
1440         }
1441     }
1442     return g_build_filename(prefdir, filename, NULL);
1443 }
1444
1445 Inkscape::XML::Node *
1446 inkscape_get_menus (Inkscape::Application * inkscape)
1447 {
1448     Inkscape::XML::Node *repr = inkscape->menus->root();
1449     g_assert (!(strcmp (repr->name(), "inkscape")));
1450     return repr->firstChild();
1451 }
1452
1453 void
1454 inkscape_get_all_desktops(std::list< SPDesktop* >& listbuf)
1455 {
1456     for(GSList* l = inkscape->desktops; l != NULL; l = l->next) {
1457         listbuf.push_back(static_cast< SPDesktop* >(l->data));
1458     }
1459 }
1460
1461 /*
1462   Local Variables:
1463   mode:c++
1464   c-file-style:"stroustrup"
1465   c-file-offsets:((innamespace . 0)(inline-open . 0))
1466   indent-tabs-mode:nil
1467   fill-column:99
1468   End:
1469 */
1470 // vim: expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :