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 #include <errno.h>
  19
  20 #include <map>
  21 #include "debug/simple-event.h"
  22 #include "debug/event-tracker.h"
  23
  24 #ifndef WIN32
  25 # define HAS_PROC_SELF_EXE  //to get path of executable
  26 #else
  27
  28 // For now to get at is_os_wide().
  29 # include "extension/internal/win32.h"
  30 using Inkscape::Extension::Internal::PrintWin32;
  31
  32 #define _WIN32_IE 0x0400
  33 //#define HAS_SHGetSpecialFolderPath
  34 #define HAS_SHGetSpecialFolderLocation
  35 #define HAS_GetModuleFileName
  36 # include <shlobj.h>
  37 #endif
  38
  39 #include <cstring>
  40 #include <glib/gstdio.h>
  41 #include <glib.h>
  42 #include <glibmm/i18n.h>
  43 #include <gtk/gtkmain.h>
  44 #include <gtk/gtkmessagedialog.h>
  45 #include <gtkmm/messagedialog.h>
  46 #include <signal.h>
  47 #include <string>
  48 #include "application/application.h"
  49 #include "application/editor.h"
  50 #include "desktop.h"
  51 #include "desktop-handles.h"
  52 #include "device-manager.h"
  53 #include "document.h"
  54 #include "event-context.h"
  55 #include "extension/db.h"
  56 #include "extension/init.h"
  57 #include "extension/output.h"
  58 #include "extension/system.h"
  59 //#include "helper/sp-marshal.h"
  60 #include "inkscape-private.h"
  61 #include "io/sys.h"
  62 #include "message-stack.h"
  63 #include "preferences.h"
  64 #include "selection.h"
  65 #include "ui/dialog/debug.h"
  66 #include "xml/repr.h"
  67
  68 static Inkscape::Application *inkscape = NULL;
  69
  70 /* Backbones of configuration xml data */
  71 #include "menus-skeleton.h"
  72
  73 enum {
  74     MODIFY_SELECTION, // global: one of selections modified
  75     CHANGE_SELECTION, // global: one of selections changed
  76     CHANGE_SUBSELECTION, // global: one of subselections (text selection, gradient handle, etc) changed
  77     SET_SELECTION, // global: one of selections set
  78     SET_EVENTCONTEXT, // tool switched
  79     ACTIVATE_DESKTOP, // some desktop got focus
  80     DEACTIVATE_DESKTOP, // some desktop lost focus
  81     SHUTDOWN_SIGNAL, // inkscape is quitting
  82     DIALOGS_HIDE, // user pressed F12
  83     DIALOGS_UNHIDE, // user pressed F12
  84     EXTERNAL_CHANGE, // a document was changed by some external means (undo or XML editor); this
  85                      // may not be reflected by a selection change and thus needs a separate signal
  86     LAST_SIGNAL
  87 };
  88
  89 #define DESKTOP_IS_ACTIVE(d) ((d) == inkscape->desktops->data)
  90
  91
  92 /*################################
  93 # FORWARD DECLARATIONS
  94 ################################*/
  95
  96 gboolean inkscape_app_use_gui( Inkscape::Application const * app );
  97
  98 static void inkscape_class_init (Inkscape::ApplicationClass *klass);
  99 static void inkscape_init (SPObject *object);
 100 static void inkscape_dispose (GObject *object);
 101
 102 static void inkscape_activate_desktop_private (Inkscape::Application *inkscape, SPDesktop *desktop);
 103 static void inkscape_deactivate_desktop_private (Inkscape::Application *inkscape, SPDesktop *desktop);
 104
 105 struct Inkscape::Application {
 106     GObject object;
 107     Inkscape::XML::Document *menus;
 108     std::map<SPDocument *, int> document_set;
 109     GSList *desktops;
 110     gchar *argv0;
 111     gboolean dialogs_toggle;
 112     gboolean use_gui;         // may want to consider a virtual function
 113                               // for overriding things like the warning dlg's
 114     guint mapalt;
 115     guint trackalt;
 116 };
 117
 118 struct Inkscape::ApplicationClass {
 119     GObjectClass object_class;
 120
 121     /* Signals */
 122     void (* change_selection) (Inkscape::Application * inkscape, Inkscape::Selection * selection);
 123     void (* change_subselection) (Inkscape::Application * inkscape, SPDesktop *desktop);
 124     void (* modify_selection) (Inkscape::Application * inkscape, Inkscape::Selection * selection, guint flags);
 125     void (* set_selection) (Inkscape::Application * inkscape, Inkscape::Selection * selection);
 126     void (* set_eventcontext) (Inkscape::Application * inkscape, SPEventContext * eventcontext);
 127     void (* activate_desktop) (Inkscape::Application * inkscape, SPDesktop * desktop);
 128     void (* deactivate_desktop) (Inkscape::Application * inkscape, SPDesktop * desktop);
 129     void (* destroy_document) (Inkscape::Application *inkscape, SPDocument *doc);
 130     void (* color_set) (Inkscape::Application *inkscape, SPColor *color, double opacity);
 131     void (* shut_down) (Inkscape::Application *inkscape);
 132     void (* dialogs_hide) (Inkscape::Application *inkscape);
 133     void (* dialogs_unhide) (Inkscape::Application *inkscape);
 134     void (* external_change) (Inkscape::Application *inkscape);
 135 };
 136
 137 static GObjectClass * parent_class;
 138 static guint inkscape_signals[LAST_SIGNAL] = {0};
 139
 140 static void (* segv_handler) (int) = SIG_DFL;
 141 static void (* abrt_handler) (int) = SIG_DFL;
 142 static void (* fpe_handler)  (int) = SIG_DFL;
 143 static void (* ill_handler)  (int) = SIG_DFL;
 144 #ifndef WIN32
 145 static void (* bus_handler)  (int) = SIG_DFL;
 146 #endif
 147
 148 #define INKSCAPE_PROFILE_DIR "inkscape"
 149 #define INKSCAPE_PROFILE_DIR_047DEV "Inkscape"
 150 #define INKSCAPE_LEGACY_PROFILE_DIR ".inkscape"
 151 #define MENUS_FILE "menus.xml"
 152
 153
 154 /**
 155  *  Retrieves the GType for the Inkscape Application object.
 156  */
 157 GType
 158 inkscape_get_type (void)
 159 {
 160     static GType type = 0;
 161     if (!type) {
 162         GTypeInfo info = {
 163             sizeof (Inkscape::ApplicationClass),
 164             NULL, NULL,
 165             (GClassInitFunc) inkscape_class_init,
 166             NULL, NULL,
 167             sizeof (Inkscape::Application),
 168             4,
 169             (GInstanceInitFunc) inkscape_init,
 170             NULL
 171         };
 172         type = g_type_register_static (G_TYPE_OBJECT, "Inkscape_Application", &info, (GTypeFlags)0);
 173     }
 174     return type;
 175 }
 176
 177
 178 /**
 179  *  Initializes the inkscape class, registering all of its signal handlers
 180  *  and virtual functions
 181  */
 182 static void
 183 inkscape_class_init (Inkscape::ApplicationClass * klass)
 184 {
 185     GObjectClass * object_class;
 186
 187     object_class = (GObjectClass *) klass;
 188
 189     parent_class = (GObjectClass *)g_type_class_peek_parent (klass);
 190
 191     inkscape_signals[MODIFY_SELECTION] = g_signal_new ("modify_selection",
 192                                G_TYPE_FROM_CLASS (klass),
 193                                G_SIGNAL_RUN_FIRST,
 194                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, modify_selection),
 195                                NULL, NULL,
 196                                g_cclosure_marshal_VOID__UINT_POINTER,
 197                                G_TYPE_NONE, 2,
 198                                G_TYPE_POINTER, G_TYPE_UINT);
 199     inkscape_signals[CHANGE_SELECTION] = g_signal_new ("change_selection",
 200                                G_TYPE_FROM_CLASS (klass),
 201                                G_SIGNAL_RUN_FIRST,
 202                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, change_selection),
 203                                NULL, NULL,
 204                                g_cclosure_marshal_VOID__POINTER,
 205                                G_TYPE_NONE, 1,
 206                                G_TYPE_POINTER);
 207     inkscape_signals[CHANGE_SUBSELECTION] = g_signal_new ("change_subselection",
 208                                G_TYPE_FROM_CLASS (klass),
 209                                G_SIGNAL_RUN_FIRST,
 210                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, change_subselection),
 211                                NULL, NULL,
 212                                g_cclosure_marshal_VOID__POINTER,
 213                                G_TYPE_NONE, 1,
 214                                G_TYPE_POINTER);
 215     inkscape_signals[SET_SELECTION] =    g_signal_new ("set_selection",
 216                                G_TYPE_FROM_CLASS (klass),
 217                                G_SIGNAL_RUN_FIRST,
 218                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, set_selection),
 219                                NULL, NULL,
 220                                g_cclosure_marshal_VOID__POINTER,
 221                                G_TYPE_NONE, 1,
 222                                G_TYPE_POINTER);
 223     inkscape_signals[SET_EVENTCONTEXT] = g_signal_new ("set_eventcontext",
 224                                G_TYPE_FROM_CLASS (klass),
 225                                G_SIGNAL_RUN_FIRST,
 226                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, set_eventcontext),
 227                                NULL, NULL,
 228                                g_cclosure_marshal_VOID__POINTER,
 229                                G_TYPE_NONE, 1,
 230                                G_TYPE_POINTER);
 231     inkscape_signals[ACTIVATE_DESKTOP] = g_signal_new ("activate_desktop",
 232                                G_TYPE_FROM_CLASS (klass),
 233                                G_SIGNAL_RUN_FIRST,
 234                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, activate_desktop),
 235                                NULL, NULL,
 236                                g_cclosure_marshal_VOID__POINTER,
 237                                G_TYPE_NONE, 1,
 238                                G_TYPE_POINTER);
 239     inkscape_signals[DEACTIVATE_DESKTOP] = g_signal_new ("deactivate_desktop",
 240                                G_TYPE_FROM_CLASS (klass),
 241                                G_SIGNAL_RUN_FIRST,
 242                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, deactivate_desktop),
 243                                NULL, NULL,
 244                                g_cclosure_marshal_VOID__POINTER,
 245                                G_TYPE_NONE, 1,
 246                                G_TYPE_POINTER);
 247     inkscape_signals[SHUTDOWN_SIGNAL] =        g_signal_new ("shut_down",
 248                                G_TYPE_FROM_CLASS (klass),
 249                                G_SIGNAL_RUN_FIRST,
 250                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, shut_down),
 251                                NULL, NULL,
 252                                g_cclosure_marshal_VOID__VOID,
 253                                G_TYPE_NONE, 0);
 254     inkscape_signals[DIALOGS_HIDE] =        g_signal_new ("dialogs_hide",
 255                                G_TYPE_FROM_CLASS (klass),
 256                                G_SIGNAL_RUN_FIRST,
 257                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, dialogs_hide),
 258                                NULL, NULL,
 259                                g_cclosure_marshal_VOID__VOID,
 260                                G_TYPE_NONE, 0);
 261     inkscape_signals[DIALOGS_UNHIDE] =        g_signal_new ("dialogs_unhide",
 262                                G_TYPE_FROM_CLASS (klass),
 263                                G_SIGNAL_RUN_FIRST,
 264                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, dialogs_unhide),
 265                                NULL, NULL,
 266                                g_cclosure_marshal_VOID__VOID,
 267                                G_TYPE_NONE, 0);
 268     inkscape_signals[EXTERNAL_CHANGE] =   g_signal_new ("external_change",
 269                                G_TYPE_FROM_CLASS (klass),
 270                                G_SIGNAL_RUN_FIRST,
 271                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, external_change),
 272                                NULL, NULL,
 273                                g_cclosure_marshal_VOID__VOID,
 274                                G_TYPE_NONE, 0);
 275
 276     object_class->dispose = inkscape_dispose;
 277
 278     klass->activate_desktop = inkscape_activate_desktop_private;
 279     klass->deactivate_desktop = inkscape_deactivate_desktop_private;
 280 }
 281
 282 #ifdef WIN32
 283 typedef int uid_t;
 284 #define getuid() 0
 285 #endif
 286
 287 /**
 288  * static gint inkscape_autosave(gpointer);
 289  *
 290  * Callback passed to g_timeout_add_seconds()
 291  * Responsible for autosaving all open documents
 292  */
 293 static gint inkscape_autosave(gpointer)
 294 {
 295     if (inkscape->document_set.empty()) { // nothing to autosave
 296         return TRUE;
 297     }
 298     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 299
 300     // Use UID for separating autosave-documents between users if directory is multiuser
 301     uid_t uid = getuid();
 302
 303     Glib::ustring autosave_dir;
 304     {
 305         Glib::ustring tmp = prefs->getString("/options/autosave/path");
 306         if (!tmp.empty()) {
 307             autosave_dir = tmp;
 308         } else {
 309             autosave_dir = Glib::get_tmp_dir();
 310         }
 311     }
 312
 313     GDir *autosave_dir_ptr = g_dir_open(autosave_dir.c_str(), 0, NULL);
 314     if( !autosave_dir_ptr ){
 315         g_warning("Cannot open autosave directory!");
 316         return TRUE;
 317     }
 318
 319     time_t sptime = time(NULL);
 320     struct tm *sptm = localtime(&sptime);
 321     gchar sptstr[256];
 322     strftime(sptstr, 256, "%Y_%m_%d_%H_%M_%S", sptm);
 323
 324     gint autosave_max = prefs->getInt("/options/autosave/max", 10);
 325
 326     gint docnum = 0;
 327
 328     SP_ACTIVE_DESKTOP->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Autosaving documents..."));
 329     for (std::map<SPDocument*,int>::iterator iter = inkscape->document_set.begin();
 330           iter != inkscape->document_set.end();
 331           ++iter) {
 332
 333         SPDocument *doc = iter->first;
 334
 335         ++docnum;
 336
 337         Inkscape::XML::Node *repr = sp_document_repr_root(doc);
 338         // g_debug("Document %d: \"%s\" %s", docnum, doc ? doc->name : "(null)", doc ? (doc->isModifiedSinceSave() ? "(dirty)" : "(clean)") : "(null)");
 339
 340         if (doc->isModifiedSinceSave()) {
 341             gchar *oldest_autosave = 0;
 342             const gchar  *filename = 0;
 343             struct stat sb;
 344             time_t min_time = 0;
 345             gint count = 0;
 346
 347             // Look for previous autosaves
 348             gchar* baseName = g_strdup_printf( "inkscape-autosave-%d", uid );
 349             g_dir_rewind(autosave_dir_ptr);
 350             while( (filename = g_dir_read_name(autosave_dir_ptr)) != NULL ){
 351                 if ( strncmp(filename, baseName, strlen(baseName)) == 0 ){
 352                     gchar* full_path = g_build_filename( autosave_dir.c_str(), filename, NULL );
 353                     if ( g_stat(full_path, &sb) != -1 ) {
 354                         if ( difftime(sb.st_ctime, min_time) < 0 || min_time == 0 ){
 355                             min_time = sb.st_ctime;
 356                             if ( oldest_autosave ) {
 357                                 g_free(oldest_autosave);
 358                             }
 359                             oldest_autosave = g_strdup(full_path);
 360                         }
 361                         count ++;
 362                     }
 363                     g_free(full_path);
 364                 }
 365             }
 366
 367             // g_debug("%d previous autosaves exists. Max = %d", count, autosave_max);
 368
 369             // Have we reached the limit for number of autosaves?
 370             if ( count >= autosave_max ){
 371                 // Remove the oldest file
 372                 if ( oldest_autosave ) {
 373                     unlink(oldest_autosave);
 374                 }
 375             }
 376
 377             if ( oldest_autosave ) {
 378                 g_free(oldest_autosave);
 379                 oldest_autosave = 0;
 380             }
 381
 382
 383             // Set the filename we will actually save to
 384             g_free(baseName);
 385             baseName = g_strdup_printf("inkscape-autosave-%d-%s-%03d.svg", uid, sptstr, docnum);
 386             gchar* full_path = g_build_filename(autosave_dir.c_str(), baseName, NULL);
 387             g_free(baseName);
 388             baseName = 0;
 389
 390             // g_debug("Filename: %s", full_path);
 391
 392             // Try to save the file
 393             FILE *file = Inkscape::IO::fopen_utf8name(full_path, "w");
 394             gchar *errortext = 0;
 395             if (file) {
 396                 try{
 397                     sp_repr_save_stream(repr->document(), file, SP_SVG_NS_URI);
 398                 } catch (Inkscape::Extension::Output::no_extension_found &e) {
 399                     errortext = g_strdup(_("Autosave failed! Could not find inkscape extension to save document."));
 400                 } catch (Inkscape::Extension::Output::save_failed &e) {
 401                     gchar *safeUri = Inkscape::IO::sanitizeString(full_path);
 402                     errortext = g_strdup_printf(_("Autosave failed! File %s could not be saved."), safeUri);
 403                     g_free(safeUri);
 404                 }
 405                 fclose(file);
 406             }
 407             else {
 408                 gchar *safeUri = Inkscape::IO::sanitizeString(full_path);
 409                 errortext = g_strdup_printf(_("Autosave failed! File %s could not be saved."), safeUri);
 410                 g_free(safeUri);
 411             }
 412
 413             if (errortext) {
 414                 SP_ACTIVE_DESKTOP->messageStack()->flash(Inkscape::ERROR_MESSAGE, errortext);
 415                 g_warning("%s", errortext);
 416                 g_free(errortext);
 417             }
 418
 419             g_free(full_path);
 420         }
 421     }
 422     g_dir_close(autosave_dir_ptr);
 423
 424     SP_ACTIVE_DESKTOP->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Autosave complete."));
 425
 426     return TRUE;
 427 }
 428
 429 void inkscape_autosave_init()
 430 {
 431     static guint32 autosave_timeout_id = 0;
 432     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 433
 434     // Turn off any previously initiated timeouts
 435     if ( autosave_timeout_id ) {
 436         g_source_remove(autosave_timeout_id);
 437         autosave_timeout_id = 0;
 438     }
 439
 440     // g_debug("options.autosave.enable = %d", prefs->getBool("/options/autosave/enable", true));
 441     // Is autosave enabled?
 442     if (!prefs->getBool("/options/autosave/enable", true)){
 443         autosave_timeout_id = 0;
 444     } else {
 445         // Turn on autosave
 446         guint32 timeout = prefs->getInt("/options/autosave/interval", 10) * 60;
 447         // g_debug("options.autosave.interval = %d", prefs->getInt("/options/autosave/interval", 10));
 448 #if GLIB_CHECK_VERSION(2,14,0)
 449         autosave_timeout_id = g_timeout_add_seconds(timeout, inkscape_autosave, NULL);
 450 #else
 451         autosave_timeout_id = g_timeout_add(timeout * 1000, inkscape_autosave, NULL);
 452 #endif
 453     }
 454 }
 455
 456
 457 static void
 458 inkscape_init (SPObject * object)
 459 {
 460     if (!inkscape) {
 461         inkscape = (Inkscape::Application *) object;
 462     } else {
 463         g_assert_not_reached ();
 464     }
 465
 466     new (&inkscape->document_set) std::map<SPDocument *, int>();
 467
 468     inkscape->menus = sp_repr_read_mem (_(menus_skeleton), MENUS_SKELETON_SIZE, NULL);
 469     inkscape->desktops = NULL;
 470     inkscape->dialogs_toggle = TRUE;
 471     inkscape->mapalt = GDK_MOD1_MASK;
 472     inkscape->trackalt = FALSE;
 473 }
 474
 475 static void
 476 inkscape_dispose (GObject *object)
 477 {
 478     Inkscape::Application *inkscape = (Inkscape::Application *) object;
 479
 480     g_assert (!inkscape->desktops);
 481
 482     Inkscape::Preferences::unload();
 483
 484     if (inkscape->menus) {
 485         /* fixme: This is not the best place */
 486         Inkscape::GC::release(inkscape->menus);
 487         inkscape->menus = NULL;
 488     }
 489
 490     inkscape->document_set.~map();
 491
 492     G_OBJECT_CLASS (parent_class)->dispose (object);
 493
 494     gtk_main_quit ();
 495 }
 496
 497
 498 void
 499 inkscape_ref (void)
 500 {
 501     if (inkscape)
 502         g_object_ref (G_OBJECT (inkscape));
 503 }
 504
 505
 506 void
 507 inkscape_unref (void)
 508 {
 509     if (inkscape)
 510         g_object_unref (G_OBJECT (inkscape));
 511 }
 512
 513 /* returns the mask of the keyboard modifier to map to Alt, zero if no mapping */
 514 /* Needs to be a guint because gdktypes.h does not define a 'no-modifier' value */
 515 guint
 516 inkscape_mapalt() {
 517     return inkscape->mapalt;
 518 }
 519
 520 /* Sets the keyboard modifer to map to Alt. Zero switches off mapping, as does '1', which is the default */
 521 void inkscape_mapalt(guint maskvalue)
 522 {
 523     if(maskvalue<2 || maskvalue> 5 ){  /* MOD5 is the highest defined in gdktypes.h */
 524         inkscape->mapalt=0;
 525     }else{
 526         inkscape->mapalt=(GDK_MOD1_MASK << (maskvalue-1));
 527     }
 528 }
 529
 530 guint
 531 inkscape_trackalt() {
 532     return inkscape->trackalt;
 533 }
 534
 535 void inkscape_trackalt(guint trackvalue)
 536 {
 537         inkscape->trackalt = trackvalue;
 538 }
 539
 540
 541 static void
 542 inkscape_activate_desktop_private (Inkscape::Application */*inkscape*/, SPDesktop *desktop)
 543 {
 544     desktop->set_active (true);
 545 }
 546
 547
 548 static void
 549 inkscape_deactivate_desktop_private (Inkscape::Application */*inkscape*/, SPDesktop *desktop)
 550 {
 551     desktop->set_active (false);
 552 }
 553
 554
 555 /* fixme: This is EVIL, and belongs to main after all */
 556
 557 #define SP_INDENT 8
 558
 559
 560 static void
 561 inkscape_crash_handler (int /*signum*/)
 562 {
 563     using Inkscape::Debug::SimpleEvent;
 564     using Inkscape::Debug::EventTracker;
 565     using Inkscape::Debug::Logger;
 566
 567     static gint recursion = FALSE;
 568
 569     /*
 570      * reset all signal handlers: any further crashes should just be allowed
 571      * to crash normally.
 572      * */
 573     signal (SIGSEGV, segv_handler );
 574     signal (SIGABRT, abrt_handler );
 575     signal (SIGFPE,  fpe_handler  );
 576     signal (SIGILL,  ill_handler  );
 577 #ifndef WIN32
 578     signal (SIGBUS,  bus_handler  );
 579 #endif
 580
 581     /* Stop bizarre loops */
 582     if (recursion) {
 583         abort ();
 584     }
 585     recursion = TRUE;
 586
 587     EventTracker<SimpleEvent<Inkscape::Debug::Event::CORE> > tracker("crash");
 588     tracker.set<SimpleEvent<> >("emergency-save");
 589
 590     fprintf(stderr, "\nEmergency save activated!\n");
 591
 592     time_t sptime = time (NULL);
 593     struct tm *sptm = localtime (&sptime);
 594     gchar sptstr[256];
 595     strftime (sptstr, 256, "%Y_%m_%d_%H_%M_%S", sptm);
 596
 597     gint count = 0;
 598     gchar *curdir = g_get_current_dir(); // This one needs to be freed explicitly
 599     gchar *inkscapedir = g_path_get_dirname(INKSCAPE->argv0); // Needs to be freed
 600     GSList *savednames = NULL;
 601     GSList *failednames = NULL;
 602     for (std::map<SPDocument*,int>::iterator iter = inkscape->document_set.begin();
 603           iter != inkscape->document_set.end();
 604           ++iter) {
 605         SPDocument *doc = iter->first;
 606         Inkscape::XML::Node *repr;
 607         repr = sp_document_repr_root (doc);
 608         if (doc->isModifiedSinceSave()) {
 609             const gchar *docname;
 610
 611             /* originally, the document name was retrieved from
 612              * the sodipod:docname attribute */
 613             docname = doc->name;
 614             if (docname) {
 615                 /* Removes an emergency save suffix if present: /(.*)\.[0-9_]*\.[0-9_]*\.[~\.]*$/\1/ */
 616                 const char* d0 = strrchr ((char*)docname, '.');
 617                 if (d0 && (d0 > docname)) {
 618                     const char* d = d0;
 619                     unsigned int dots = 0;
 620                     while ((isdigit (*d) || *d=='_' || *d=='.') && d>docname && dots<2) {
 621                         d -= 1;
 622                         if (*d=='.') dots++;
 623                     }
 624                     if (*d=='.' && d>docname && dots==2) {
 625                         char n[64];
 626                         size_t len = MIN (d - docname, 63);
 627                         memcpy (n, docname, len);
 628                         n[len] = '\0';
 629                         docname = n;
 630                     }
 631                 }
 632             }
 633             if (!docname || !*docname) docname = "emergency";
 634
 635             // Emergency filename
 636             char c[1024];
 637             g_snprintf (c, 1024, "%.256s.%s.%d.svg", docname, sptstr, count);
 638
 639             // Find a location
 640             const char* locations[] = {
 641                 doc->base,
 642                 g_get_home_dir(),
 643                 g_get_tmp_dir(),
 644                 curdir,
 645                 inkscapedir
 646             };
 647             FILE *file = 0;
 648             for(size_t i=0; i<sizeof(locations)/sizeof(*locations); i++) {
 649                 if (!locations[i]) continue; // It seems to be okay, but just in case
 650                 gchar * filename = g_build_filename(locations[i], c, NULL);
 651                 Inkscape::IO::dump_fopen_call(filename, "E");
 652                 file = Inkscape::IO::fopen_utf8name(filename, "w");
 653                 if (file) {
 654                     g_snprintf (c, 1024, "%s", filename); // we want the complete path to be stored in c (for reporting purposes)
 655                     break;
 656                 }
 657             }
 658
 659             // Save
 660             if (file) {
 661                 sp_repr_save_stream (repr->document(), file, SP_SVG_NS_URI);
 662                 savednames = g_slist_prepend (savednames, g_strdup (c));
 663                 fclose (file);
 664             } else {
 665                 failednames = g_slist_prepend (failednames, (doc->name) ? g_strdup (doc->name) : g_strdup (_("Untitled document")));
 666             }
 667             count++;
 668         }
 669     }
 670     g_free(curdir);
 671     g_free(inkscapedir);
 672
 673     savednames = g_slist_reverse (savednames);
 674     failednames = g_slist_reverse (failednames);
 675     if (savednames) {
 676         fprintf (stderr, "\nEmergency save document locations:\n");
 677         for (GSList *l = savednames; l != NULL; l = l->next) {
 678             fprintf (stderr, "  %s\n", (gchar *) l->data);
 679         }
 680     }
 681     if (failednames) {
 682         fprintf (stderr, "\nFailed to do emergency save for documents:\n");
 683         for (GSList *l = failednames; l != NULL; l = l->next) {
 684             fprintf (stderr, "  %s\n", (gchar *) l->data);
 685         }
 686     }
 687
 688     // do not save the preferences since they can be in a corrupted state
 689     Inkscape::Preferences::unload(false);
 690
 691     fprintf (stderr, "Emergency save completed. Inkscape will close now.\n");
 692     fprintf (stderr, "If you can reproduce this crash, please file a bug at www.inkscape.org\n");
 693     fprintf (stderr, "with a detailed description of the steps leading to the crash, so we can fix it.\n");
 694
 695     /* Show nice dialog box */
 696
 697     char const *istr = _("Inkscape encountered an internal error and will close now.\n");
 698     char const *sstr = _("Automatic backups of unsaved documents were done to the following locations:\n");
 699     char const *fstr = _("Automatic backup of the following documents failed:\n");
 700     gint nllen = strlen ("\n");
 701     gint len = strlen (istr) + strlen (sstr) + strlen (fstr);
 702     for (GSList *l = savednames; l != NULL; l = l->next) {
 703         len = len + SP_INDENT + strlen ((gchar *) l->data) + nllen;
 704     }
 705     for (GSList *l = failednames; l != NULL; l = l->next) {
 706         len = len + SP_INDENT + strlen ((gchar *) l->data) + nllen;
 707     }
 708     len += 1;
 709     gchar *b = g_new (gchar, len);
 710     gint pos = 0;
 711     len = strlen (istr);
 712     memcpy (b + pos, istr, len);
 713     pos += len;
 714     if (savednames) {
 715         len = strlen (sstr);
 716         memcpy (b + pos, sstr, len);
 717         pos += len;
 718         for (GSList *l = savednames; l != NULL; l = l->next) {
 719             memset (b + pos, ' ', SP_INDENT);
 720             pos += SP_INDENT;
 721             len = strlen ((gchar *) l->data);
 722             memcpy (b + pos, l->data, len);
 723             pos += len;
 724             memcpy (b + pos, "\n", nllen);
 725             pos += nllen;
 726         }
 727     }
 728     if (failednames) {
 729         len = strlen (fstr);
 730         memcpy (b + pos, fstr, len);
 731         pos += len;
 732         for (GSList *l = failednames; l != NULL; l = l->next) {
 733             memset (b + pos, ' ', SP_INDENT);
 734             pos += SP_INDENT;
 735             len = strlen ((gchar *) l->data);
 736             memcpy (b + pos, l->data, len);
 737             pos += len;
 738             memcpy (b + pos, "\n", nllen);
 739             pos += nllen;
 740         }
 741     }
 742     *(b + pos) = '\0';
 743
 744     if ( inkscape_get_instance() && inkscape_app_use_gui( inkscape_get_instance() ) ) {
 745         GtkWidget *msgbox = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", b);
 746         gtk_dialog_run (GTK_DIALOG (msgbox));
 747         gtk_widget_destroy (msgbox);
 748     }
 749     else
 750     {
 751         g_message( "Error: %s", b );
 752     }
 753     g_free (b);
 754
 755     tracker.clear();
 756     Logger::shutdown();
 757
 758     /* on exit, allow restored signal handler to take over and crash us */
 759 }
 760
 761
 762 class InkErrorHandler : public Inkscape::ErrorReporter {
 763 public:
 764     InkErrorHandler(bool useGui) : Inkscape::ErrorReporter(),
 765                                    _useGui(useGui)
 766     {}
 767     virtual ~InkErrorHandler() {}
 768
 769     virtual void handleError( Glib::ustring const& primary, Glib::ustring const& secondary ) const
 770     {
 771         if (_useGui) {
 772             Gtk::MessageDialog err(primary, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_OK, true);
 773             err.set_secondary_text(secondary);
 774             err.run();
 775         } else {
 776             g_message("%s", primary.data());
 777             g_message("%s", secondary.data());
 778         }
 779     }
 780
 781 private:
 782     bool _useGui;
 783 };
 784
 785 void
 786 inkscape_application_init (const gchar *argv0, gboolean use_gui)
 787 {
 788     inkscape = (Inkscape::Application *)g_object_new (SP_TYPE_INKSCAPE, NULL);
 789     /* fixme: load application defaults */
 790
 791     segv_handler = signal (SIGSEGV, inkscape_crash_handler);
 792     abrt_handler = signal (SIGABRT, inkscape_crash_handler);
 793     fpe_handler  = signal (SIGFPE,  inkscape_crash_handler);
 794     ill_handler  = signal (SIGILL,  inkscape_crash_handler);
 795 #ifndef WIN32
 796     bus_handler  = signal (SIGBUS,  inkscape_crash_handler);
 797 #endif
 798
 799     inkscape->use_gui = use_gui;
 800     inkscape->argv0 = g_strdup(argv0);
 801
 802     /* Load the preferences and menus */
 803     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 804     InkErrorHandler* handler = new InkErrorHandler(use_gui);
 805     prefs->setErrorHandler(handler);
 806     {
 807         Glib::ustring msg;
 808         Glib::ustring secondary;
 809         if (prefs->getLastError( msg, secondary )) {
 810             handler->handleError(msg, secondary);
 811         }
 812     }
 813
 814     if (use_gui) {
 815         inkscape_load_menus(inkscape);
 816         Inkscape::DeviceManager::getManager().loadConfig();
 817     }
 818
 819     /* set language for user interface according setting in preferences */
 820     Glib::ustring ui_language = prefs->getString("/ui/language");
 821     if(!ui_language.empty())
 822     {
 823         setenv("LANGUAGE", ui_language, 1);
 824     }
 825
 826     /* DebugDialog redirection.  On Linux, default to OFF, on Win32, default to ON.
 827      * Use only if use_gui is enabled
 828      */
 829 #ifdef WIN32
 830 #define DEFAULT_LOG_REDIRECT true
 831 #else
 832 #define DEFAULT_LOG_REDIRECT false
 833 #endif
 834
 835     if (use_gui == TRUE && prefs->getBool("/dialogs/debug/redirect", DEFAULT_LOG_REDIRECT))
 836     {
 837         Inkscape::UI::Dialog::DebugDialog::getInstance()->captureLogMessages();
 838     }
 839
 840     /* Check for global remapping of Alt key */
 841     if (use_gui)
 842     {
 843         inkscape_mapalt(guint(prefs->getInt("/options/mapalt/value", 0)));
 844         inkscape_trackalt(guint(prefs->getInt("/options/trackalt/value", 0)));
 845     }
 846
 847     /* Initialize the extensions */
 848     Inkscape::Extension::init();
 849
 850     inkscape_autosave_init();
 851
 852     return;
 853 }
 854
 855 /**
 856  *  Returns the current Inkscape::Application global object
 857  */
 858 Inkscape::Application *
 859 inkscape_get_instance()
 860 {
 861         return inkscape;
 862 }
 863
 864 gboolean inkscape_app_use_gui( Inkscape::Application const * app )
 865 {
 866     return app->use_gui;
 867 }
 868
 869 /**
 870  *  Menus management
 871  *
 872  */
 873 bool inkscape_load_menus (Inkscape::Application */*inkscape*/)
 874 {
 875     // TODO fix that fn is being leaked
 876     gchar *fn = profile_path(MENUS_FILE);
 877     gchar *menus_xml = NULL;
 878     gsize len = 0;
 879
 880     if (g_file_get_contents(fn, &menus_xml, &len, NULL)) {
 881         // load the menus_xml file
 882         INKSCAPE->menus = sp_repr_read_mem(menus_xml, len, NULL);
 883         g_free(menus_xml);
 884         if (INKSCAPE->menus) {
 885             return true;
 886         }
 887     }
 888     INKSCAPE->menus = sp_repr_read_mem(menus_skeleton, MENUS_SKELETON_SIZE, NULL);
 889     return (INKSCAPE->menus != 0);
 890 }
 891
 892
 893 void
 894 inkscape_selection_modified (Inkscape::Selection *selection, guint flags)
 895 {
 896     if (Inkscape::NSApplication::Application::getNewGui()) {
 897         Inkscape::NSApplication::Editor::selectionModified (selection, flags);
 898         return;
 899     }
 900     g_return_if_fail (selection != NULL);
 901
 902     if (DESKTOP_IS_ACTIVE (selection->desktop())) {
 903         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[MODIFY_SELECTION], 0, selection, flags);
 904     }
 905 }
 906
 907
 908 void
 909 inkscape_selection_changed (Inkscape::Selection * selection)
 910 {
 911     if (Inkscape::NSApplication::Application::getNewGui()) {
 912         Inkscape::NSApplication::Editor::selectionChanged (selection);
 913         return;
 914     }
 915     g_return_if_fail (selection != NULL);
 916
 917     if (DESKTOP_IS_ACTIVE (selection->desktop())) {
 918         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, selection);
 919     }
 920 }
 921
 922 void
 923 inkscape_subselection_changed (SPDesktop *desktop)
 924 {
 925     if (Inkscape::NSApplication::Application::getNewGui()) {
 926         Inkscape::NSApplication::Editor::subSelectionChanged (desktop);
 927         return;
 928     }
 929     g_return_if_fail (desktop != NULL);
 930
 931     if (DESKTOP_IS_ACTIVE (desktop)) {
 932         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SUBSELECTION], 0, desktop);
 933     }
 934 }
 935
 936
 937 void
 938 inkscape_selection_set (Inkscape::Selection * selection)
 939 {
 940     if (Inkscape::NSApplication::Application::getNewGui()) {
 941         Inkscape::NSApplication::Editor::selectionSet (selection);
 942         return;
 943     }
 944     g_return_if_fail (selection != NULL);
 945
 946     if (DESKTOP_IS_ACTIVE (selection->desktop())) {
 947         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, selection);
 948         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, selection);
 949     }
 950 }
 951
 952
 953 void
 954 inkscape_eventcontext_set (SPEventContext * eventcontext)
 955 {
 956     if (Inkscape::NSApplication::Application::getNewGui()) {
 957         Inkscape::NSApplication::Editor::eventContextSet (eventcontext);
 958         return;
 959     }
 960     g_return_if_fail (eventcontext != NULL);
 961     g_return_if_fail (SP_IS_EVENT_CONTEXT (eventcontext));
 962
 963     if (DESKTOP_IS_ACTIVE (eventcontext->desktop)) {
 964         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, eventcontext);
 965     }
 966 }
 967
 968
 969 void
 970 inkscape_add_desktop (SPDesktop * desktop)
 971 {
 972     g_return_if_fail (desktop != NULL);
 973
 974     if (Inkscape::NSApplication::Application::getNewGui())
 975     {
 976         Inkscape::NSApplication::Editor::addDesktop (desktop);
 977         return;
 978     }
 979     g_return_if_fail (inkscape != NULL);
 980
 981     g_assert (!g_slist_find (inkscape->desktops, desktop));
 982
 983     inkscape->desktops = g_slist_prepend (inkscape->desktops, desktop);
 984
 985     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, desktop);
 986     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, sp_desktop_event_context (desktop));
 987     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, sp_desktop_selection (desktop));
 988     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, sp_desktop_selection (desktop));
 989 }
 990
 991
 992
 993 void
 994 inkscape_remove_desktop (SPDesktop * desktop)
 995 {
 996     g_return_if_fail (desktop != NULL);
 997     if (Inkscape::NSApplication::Application::getNewGui())
 998     {
 999         Inkscape::NSApplication::Editor::removeDesktop (desktop);
1000         return;
1001     }
1002     g_return_if_fail (inkscape != NULL);
1003
1004     g_assert (g_slist_find (inkscape->desktops, desktop));
1005
1006     if (DESKTOP_IS_ACTIVE (desktop)) {
1007         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DEACTIVATE_DESKTOP], 0, desktop);
1008         if (inkscape->desktops->next != NULL) {
1009             SPDesktop * new_desktop = (SPDesktop *) inkscape->desktops->next->data;
1010             inkscape->desktops = g_slist_remove (inkscape->desktops, new_desktop);
1011             inkscape->desktops = g_slist_prepend (inkscape->desktops, new_desktop);
1012             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, new_desktop);
1013             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, sp_desktop_event_context (new_desktop));
1014             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, sp_desktop_selection (new_desktop));
1015             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, sp_desktop_selection (new_desktop));
1016         } else {
1017             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, NULL);
1018             if (sp_desktop_selection(desktop))
1019                 sp_desktop_selection(desktop)->clear();
1020         }
1021     }
1022
1023     inkscape->desktops = g_slist_remove (inkscape->desktops, desktop);
1024
1025     // if this was the last desktop, shut down the program
1026     if (inkscape->desktops == NULL) {
1027         inkscape_exit (inkscape);
1028     }
1029 }
1030
1031
1032
1033 void
1034 inkscape_activate_desktop (SPDesktop * desktop)
1035 {
1036     g_return_if_fail (desktop != NULL);
1037     if (Inkscape::NSApplication::Application::getNewGui())
1038     {
1039         Inkscape::NSApplication::Editor::activateDesktop (desktop);
1040         return;
1041     }
1042     g_return_if_fail (inkscape != NULL);
1043
1044     if (DESKTOP_IS_ACTIVE (desktop)) {
1045         return;
1046     }
1047
1048     g_assert (g_slist_find (inkscape->desktops, desktop));
1049
1050     SPDesktop *current = (SPDesktop *) inkscape->desktops->data;
1051
1052     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DEACTIVATE_DESKTOP], 0, current);
1053
1054     inkscape->desktops = g_slist_remove (inkscape->desktops, desktop);
1055     inkscape->desktops = g_slist_prepend (inkscape->desktops, desktop);
1056
1057     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, desktop);
1058     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, sp_desktop_event_context (desktop));
1059     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, sp_desktop_selection (desktop));
1060     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, sp_desktop_selection (desktop));
1061 }
1062
1063
1064 /**
1065  *  Resends ACTIVATE_DESKTOP for current desktop; needed when a new desktop has got its window that dialogs will transientize to
1066  */
1067 void
1068 inkscape_reactivate_desktop (SPDesktop * desktop)
1069 {
1070     g_return_if_fail (desktop != NULL);
1071     if (Inkscape::NSApplication::Application::getNewGui())
1072     {
1073         Inkscape::NSApplication::Editor::reactivateDesktop (desktop);
1074         return;
1075     }
1076     g_return_if_fail (inkscape != NULL);
1077
1078     if (DESKTOP_IS_ACTIVE (desktop))
1079         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, desktop);
1080 }
1081
1082
1083
1084 SPDesktop *
1085 inkscape_find_desktop_by_dkey (unsigned int dkey)
1086 {
1087     for (GSList *r = inkscape->desktops; r; r = r->next) {
1088         if (((SPDesktop *) r->data)->dkey == dkey)
1089             return ((SPDesktop *) r->data);
1090     }
1091     return NULL;
1092 }
1093
1094
1095
1096
1097 unsigned int
1098 inkscape_maximum_dkey()
1099 {
1100     unsigned int dkey = 0;
1101
1102     for (GSList *r = inkscape->desktops; r; r = r->next) {
1103         if (((SPDesktop *) r->data)->dkey > dkey)
1104             dkey = ((SPDesktop *) r->data)->dkey;
1105     }
1106
1107     return dkey;
1108 }
1109
1110
1111
1112 SPDesktop *
1113 inkscape_next_desktop ()
1114 {
1115     SPDesktop *d = NULL;
1116     unsigned int dkey_current = ((SPDesktop *) inkscape->desktops->data)->dkey;
1117
1118     if (dkey_current < inkscape_maximum_dkey()) {
1119         // find next existing
1120         for (unsigned int i = dkey_current + 1; i <= inkscape_maximum_dkey(); i++) {
1121             d = inkscape_find_desktop_by_dkey (i);
1122             if (d) {
1123                 break;
1124             }
1125         }
1126     } else {
1127         // find first existing
1128         for (unsigned int i = 0; i <= inkscape_maximum_dkey(); i++) {
1129             d = inkscape_find_desktop_by_dkey (i);
1130             if (d) {
1131                 break;
1132             }
1133         }
1134     }
1135
1136     g_assert (d);
1137
1138     return d;
1139 }
1140
1141
1142
1143 SPDesktop *
1144 inkscape_prev_desktop ()
1145 {
1146     SPDesktop *d = NULL;
1147     unsigned int dkey_current = ((SPDesktop *) inkscape->desktops->data)->dkey;
1148
1149     if (dkey_current > 0) {
1150         // find prev existing
1151         for (signed int i = dkey_current - 1; i >= 0; i--) {
1152             d = inkscape_find_desktop_by_dkey (i);
1153             if (d) {
1154                 break;
1155             }
1156         }
1157     }
1158     if (!d) {
1159         // find last existing
1160         d = inkscape_find_desktop_by_dkey (inkscape_maximum_dkey());
1161     }
1162
1163     g_assert (d);
1164
1165     return d;
1166 }
1167
1168
1169
1170 void
1171 inkscape_switch_desktops_next ()
1172 {
1173     inkscape_next_desktop()->presentWindow();
1174 }
1175
1176
1177
1178 void
1179 inkscape_switch_desktops_prev ()
1180 {
1181     inkscape_prev_desktop()->presentWindow();
1182 }
1183
1184
1185
1186 void
1187 inkscape_dialogs_hide ()
1188 {
1189     if (Inkscape::NSApplication::Application::getNewGui())
1190         Inkscape::NSApplication::Editor::hideDialogs();
1191     else
1192     {
1193         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DIALOGS_HIDE], 0);
1194         inkscape->dialogs_toggle = FALSE;
1195     }
1196 }
1197
1198
1199
1200 void
1201 inkscape_dialogs_unhide ()
1202 {
1203     if (Inkscape::NSApplication::Application::getNewGui())
1204         Inkscape::NSApplication::Editor::unhideDialogs();
1205     else
1206     {
1207         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DIALOGS_UNHIDE], 0);
1208         inkscape->dialogs_toggle = TRUE;
1209     }
1210 }
1211
1212
1213
1214 void
1215 inkscape_dialogs_toggle ()
1216 {
1217     if (inkscape->dialogs_toggle) {
1218         inkscape_dialogs_hide ();
1219     } else {
1220         inkscape_dialogs_unhide ();
1221     }
1222 }
1223
1224 void
1225 inkscape_external_change ()
1226 {
1227     g_return_if_fail (inkscape != NULL);
1228
1229     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[EXTERNAL_CHANGE], 0);
1230 }
1231
1232 /**
1233  * fixme: These need probably signals too
1234  */
1235 void
1236 inkscape_add_document (SPDocument *document)
1237 {
1238     g_return_if_fail (document != NULL);
1239
1240     if (!Inkscape::NSApplication::Application::getNewGui())
1241     {
1242         // try to insert the pair into the list
1243         if (!(inkscape->document_set.insert(std::make_pair(document, 1)).second)) {
1244             //insert failed, this key (document) is already in the list
1245             for (std::map<SPDocument*,int>::iterator iter = inkscape->document_set.begin();
1246                    iter != inkscape->document_set.end();
1247                    ++iter) {
1248                 if (iter->first == document) {
1249                     // found this document in list, increase its count
1250                     iter->second ++;
1251                 }
1252            }
1253         }
1254     }
1255     else
1256     {
1257         Inkscape::NSApplication::Editor::addDocument (document);
1258     }
1259 }
1260
1261
1262 // returns true if this was last reference to this document, so you can delete it
1263 bool
1264 inkscape_remove_document (SPDocument *document)
1265 {
1266     g_return_val_if_fail (document != NULL, false);
1267
1268     if (!Inkscape::NSApplication::Application::getNewGui())
1269     {
1270         for (std::map<SPDocument*,int>::iterator iter = inkscape->document_set.begin();
1271                   iter != inkscape->document_set.end();
1272                   ++iter) {
1273             if (iter->first == document) {
1274                 // found this document in list, decrease its count
1275                 iter->second --;
1276                 if (iter->second < 1) {
1277                     // this was the last one, remove the pair from list
1278                     inkscape->document_set.erase (iter);
1279                     return true;
1280                 } else {
1281                     return false;
1282                 }
1283             }
1284         }
1285     }
1286     else
1287     {
1288         Inkscape::NSApplication::Editor::removeDocument (document);
1289     }
1290
1291     return false;
1292 }
1293
1294 SPDesktop *
1295 inkscape_active_desktop (void)
1296 {
1297     if (Inkscape::NSApplication::Application::getNewGui())
1298         return Inkscape::NSApplication::Editor::getActiveDesktop();
1299
1300     if (inkscape->desktops == NULL) {
1301         return NULL;
1302     }
1303
1304     return (SPDesktop *) inkscape->desktops->data;
1305 }
1306
1307 SPDocument *
1308 inkscape_active_document (void)
1309 {
1310     if (Inkscape::NSApplication::Application::getNewGui())
1311         return Inkscape::NSApplication::Editor::getActiveDocument();
1312
1313     if (SP_ACTIVE_DESKTOP) {
1314         return sp_desktop_document (SP_ACTIVE_DESKTOP);
1315     }
1316
1317     return NULL;
1318 }
1319
1320 bool inkscape_is_sole_desktop_for_document(SPDesktop const &desktop) {
1321     SPDocument const* document = desktop.doc();
1322     if (!document) {
1323         return false;
1324     }
1325     for ( GSList *iter = inkscape->desktops ; iter ; iter = iter->next ) {
1326         SPDesktop *other_desktop=(SPDesktop *)iter->data;
1327         SPDocument *other_document=other_desktop->doc();
1328         if ( other_document == document && other_desktop != &desktop ) {
1329             return false;
1330         }
1331     }
1332     return true;
1333 }
1334
1335 SPEventContext *
1336 inkscape_active_event_context (void)
1337 {
1338     if (SP_ACTIVE_DESKTOP) {
1339         return sp_desktop_event_context (SP_ACTIVE_DESKTOP);
1340     }
1341
1342     return NULL;
1343 }
1344
1345
1346
1347 /*#####################
1348 # HELPERS
1349 #####################*/
1350
1351 void
1352 inkscape_refresh_display (Inkscape::Application *inkscape)
1353 {
1354     for (GSList *l = inkscape->desktops; l != NULL; l = l->next) {
1355         (static_cast<Inkscape::UI::View::View*>(l->data))->requestRedraw();
1356     }
1357 }
1358
1359
1360 /**
1361  *  Handler for Inkscape's Exit verb.  This emits the shutdown signal,
1362  *  saves the preferences if appropriate, and quits.
1363  */
1364 void
1365 inkscape_exit (Inkscape::Application */*inkscape*/)
1366 {
1367     g_assert (INKSCAPE);
1368
1369     //emit shutdown signal so that dialogs could remember layout
1370     g_signal_emit (G_OBJECT (INKSCAPE), inkscape_signals[SHUTDOWN_SIGNAL], 0);
1371
1372     Inkscape::Preferences::unload();
1373     gtk_main_quit ();
1374 }
1375
1376 char *
1377 homedir_path(const char *filename)
1378 {
1379     static const gchar *homedir = NULL;
1380     if (!homedir) {
1381         homedir = g_get_home_dir();
1382     }
1383     if (!homedir) {
1384         homedir = g_path_get_dirname(INKSCAPE->argv0);
1385     }
1386     return g_build_filename(homedir, filename, NULL);
1387 }
1388
1389
1390 /**
1391  * Get, or guess, or decide the location where the preferences.xml
1392  * file should be located.
1393  */
1394 gchar *
1395 profile_path(const char *filename)
1396 {
1397     static const gchar *prefdir = NULL;
1398
1399
1400     if (!prefdir) {
1401         // First check for a custom environment variable for a "portable app"
1402         gchar const *val = g_getenv("INKSCAPE_PORTABLE_PROFILE_DIR");
1403         if (val) {
1404             prefdir = g_strdup(val);
1405         }
1406
1407 #ifdef HAS_SHGetSpecialFolderLocation
1408         // prefer c:\Documents and Settings\UserName\Application Data\ to
1409         // c:\Documents and Settings\userName\;
1410         if (!prefdir) {
1411             ITEMIDLIST *pidl = 0;
1412             if ( SHGetSpecialFolderLocation( NULL, CSIDL_APPDATA, &pidl ) == NOERROR ) {
1413                 gchar * utf8Path = NULL;
1414
1415                 if ( PrintWin32::is_os_wide() ) {
1416                     wchar_t pathBuf[MAX_PATH+1];
1417                     g_assert(sizeof(wchar_t) == sizeof(gunichar2));
1418
1419                     if ( SHGetPathFromIDListW( pidl, pathBuf ) ) {
1420                         utf8Path = g_utf16_to_utf8( (gunichar2*)(&pathBuf[0]), -1, NULL, NULL, NULL );
1421                     }
1422                 } else {
1423                     char pathBuf[MAX_PATH+1];
1424
1425                     if ( SHGetPathFromIDListA( pidl, pathBuf ) ) {
1426                         utf8Path = g_filename_to_utf8( pathBuf, -1, NULL, NULL, NULL );
1427                     }
1428                 }
1429
1430                 if ( utf8Path ) {
1431                     if (!g_utf8_validate(utf8Path, -1, NULL)) {
1432                         g_warning( "SHGetPathFromIDList%c() resulted in invalid UTF-8", (PrintWin32::is_os_wide() ? 'W' : 'A') );
1433                         g_free( utf8Path );
1434                         utf8Path = 0;
1435                     } else {
1436                         prefdir = utf8Path;
1437                     }
1438                 }
1439
1440
1441                 /* not compiling yet...
1442
1443                 // Remember to free the list pointer
1444                 IMalloc * imalloc = 0;
1445                 if ( SHGetMalloc(&imalloc) == NOERROR) {
1446                     imalloc->lpVtbl->Free( imalloc, pidl );
1447                     imalloc->lpVtbl->Release( imalloc );
1448                 }
1449                 */
1450             }
1451
1452             if (prefdir) {
1453                 prefdir = g_build_filename(prefdir, INKSCAPE_PROFILE_DIR, NULL);
1454             }
1455         }
1456 #endif
1457         if (!prefdir) {
1458             prefdir = g_build_filename(g_get_user_config_dir(), INKSCAPE_PROFILE_DIR, NULL);
1459             gchar * legacyDir = homedir_path(INKSCAPE_LEGACY_PROFILE_DIR);
1460             gchar * dev47Dir = g_build_filename(g_get_user_config_dir(), INKSCAPE_PROFILE_DIR_047DEV, NULL);
1461
1462             bool needsMigration = ( !Inkscape::IO::file_test( prefdir, G_FILE_TEST_EXISTS ) && Inkscape::IO::file_test( legacyDir, G_FILE_TEST_EXISTS ) );
1463             if (needsMigration) {
1464                 // TODO here is a point to hook in preference migration
1465                 g_warning("Preferences need to be migrated from 0.46 or older %s to %s", legacyDir, prefdir);
1466                 Inkscape::Preferences::migrate( legacyDir, prefdir );
1467             }
1468
1469             bool needsRenameWarning = ( !Inkscape::IO::file_test( prefdir, G_FILE_TEST_EXISTS ) && Inkscape::IO::file_test( dev47Dir, G_FILE_TEST_EXISTS ) );
1470             if (needsRenameWarning) {
1471                 g_warning("Preferences need to be copied from  %s to %s", legacyDir, prefdir);
1472             }
1473
1474             g_free(legacyDir);
1475             legacyDir = 0;
1476             g_free(dev47Dir);
1477             dev47Dir = 0;
1478             // In case the XDG user config dir of the moment does not yet exist...
1479             int mode = S_IRWXU;
1480 #ifdef S_IRGRP
1481             mode |= S_IRGRP;
1482 #endif
1483 #ifdef S_IXGRP
1484             mode |= S_IXGRP;
1485 #endif
1486 #ifdef S_IXOTH
1487             mode |= S_IXOTH;
1488 #endif
1489             if ( g_mkdir_with_parents(prefdir, mode) == -1 ) {
1490                 int problem = errno;
1491                 g_warning("Unable to create profile directory (%s) (%d)", g_strerror(problem), problem);
1492             } else {
1493                 gchar const *userDirs[] = {"keys", "templates", "icons", "extensions", "palettes", NULL};
1494                 for (gchar const** name = userDirs; *name; ++name) {
1495                     gchar *dir = g_build_filename(prefdir, *name, NULL);
1496                     g_mkdir_with_parents(dir, mode);
1497                     g_free(dir);
1498                 }
1499             }
1500         }
1501     }
1502     return g_build_filename(prefdir, filename, NULL);
1503 }
1504
1505 Inkscape::XML::Node *
1506 inkscape_get_menus (Inkscape::Application * inkscape)
1507 {
1508     Inkscape::XML::Node *repr = inkscape->menus->root();
1509     g_assert (!(strcmp (repr->name(), "inkscape")));
1510     return repr->firstChild();
1511 }
1512
1513 void
1514 inkscape_get_all_desktops(std::list< SPDesktop* >& listbuf)
1515 {
1516     for(GSList* l = inkscape->desktops; l != NULL; l = l->next) {
1517         listbuf.push_back(static_cast< SPDesktop* >(l->data));
1518     }
1519 }
1520
1521 /*
1522   Local Variables:
1523   mode:c++
1524   c-file-style:"stroustrup"
1525   c-file-offsets:((innamespace . 0)(inline-open . 0))
1526   indent-tabs-mode:nil
1527   fill-column:99
1528   End:
1529 */
1530 // vim: expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :