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