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
 464     inkscape->desktops = NULL;
 465
 466     inkscape->dialogs_toggle = TRUE;
 467
 468     inkscape->mapalt=GDK_MOD1_MASK;
 469 }
 470
 471 static void
 472 inkscape_dispose (GObject *object)
 473 {
 474     Inkscape::Application *inkscape = (Inkscape::Application *) object;
 475
 476     g_assert (!inkscape->desktops);
 477
 478     Inkscape::Preferences::unload();
 479
 480     if (inkscape->menus) {
 481         /* fixme: This is not the best place */
 482         Inkscape::GC::release(inkscape->menus);
 483         inkscape->menus = NULL;
 484     }
 485
 486     inkscape->document_set.~map();
 487
 488     G_OBJECT_CLASS (parent_class)->dispose (object);
 489
 490     gtk_main_quit ();
 491 }
 492
 493
 494 void
 495 inkscape_ref (void)
 496 {
 497     if (inkscape)
 498         g_object_ref (G_OBJECT (inkscape));
 499 }
 500
 501
 502 void
 503 inkscape_unref (void)
 504 {
 505     if (inkscape)
 506         g_object_unref (G_OBJECT (inkscape));
 507 }
 508
 509 /* returns the mask of the keyboard modifier to map to Alt, zero if no mapping */
 510 /* Needs to be a guint because gdktypes.h does not define a 'no-modifier' value */
 511 guint
 512 inkscape_mapalt() {
 513     return inkscape->mapalt;
 514 }
 515
 516 /* Sets the keyboard modifer to map to Alt. Zero switches off mapping, as does '1', which is the default */
 517 void inkscape_mapalt(guint maskvalue)
 518 {
 519     if(maskvalue<2 || maskvalue> 5 ){  /* MOD5 is the highest defined in gdktypes.h */
 520         inkscape->mapalt=0;
 521     }else{
 522         inkscape->mapalt=(GDK_MOD1_MASK << (maskvalue-1));
 523     }
 524 }
 525
 526 static void
 527 inkscape_activate_desktop_private (Inkscape::Application */*inkscape*/, SPDesktop *desktop)
 528 {
 529     desktop->set_active (true);
 530 }
 531
 532
 533 static void
 534 inkscape_deactivate_desktop_private (Inkscape::Application */*inkscape*/, SPDesktop *desktop)
 535 {
 536     desktop->set_active (false);
 537 }
 538
 539
 540 /* fixme: This is EVIL, and belongs to main after all */
 541
 542 #define SP_INDENT 8
 543
 544
 545 static void
 546 inkscape_crash_handler (int /*signum*/)
 547 {
 548     using Inkscape::Debug::SimpleEvent;
 549     using Inkscape::Debug::EventTracker;
 550     using Inkscape::Debug::Logger;
 551
 552     static gint recursion = FALSE;
 553
 554     /*
 555      * reset all signal handlers: any further crashes should just be allowed
 556      * to crash normally.
 557      * */
 558     signal (SIGSEGV, segv_handler );
 559     signal (SIGABRT, abrt_handler );
 560     signal (SIGFPE,  fpe_handler  );
 561     signal (SIGILL,  ill_handler  );
 562 #ifndef WIN32
 563     signal (SIGBUS,  bus_handler  );
 564 #endif
 565
 566     /* Stop bizarre loops */
 567     if (recursion) {
 568         abort ();
 569     }
 570     recursion = TRUE;
 571
 572     EventTracker<SimpleEvent<Inkscape::Debug::Event::CORE> > tracker("crash");
 573     tracker.set<SimpleEvent<> >("emergency-save");
 574
 575     fprintf(stderr, "\nEmergency save activated!\n");
 576
 577     time_t sptime = time (NULL);
 578     struct tm *sptm = localtime (&sptime);
 579     gchar sptstr[256];
 580     strftime (sptstr, 256, "%Y_%m_%d_%H_%M_%S", sptm);
 581
 582     gint count = 0;
 583     GSList *savednames = NULL;
 584     GSList *failednames = NULL;
 585     for (std::map<SPDocument*,int>::iterator iter = inkscape->document_set.begin();
 586           iter != inkscape->document_set.end();
 587           ++iter) {
 588         SPDocument *doc = iter->first;
 589         Inkscape::XML::Node *repr;
 590         repr = sp_document_repr_root (doc);
 591         if (doc->isModifiedSinceSave()) {
 592             const gchar *docname, *d0, *d;
 593             gchar n[64], c[1024];
 594             FILE *file;
 595
 596             /* originally, the document name was retrieved from
 597              * the sodipod:docname attribute */
 598             docname = doc->name;
 599             if (docname) {
 600                 /* fixme: Quick hack to remove emergency file suffix */
 601                 d0 = strrchr ((char*)docname, '.');
 602                 if (d0 && (d0 > docname)) {
 603                     d0 = strrchr ((char*)(d0 - 1), '.');
 604                     if (d0 && (d0 > docname)) {
 605                         d = d0;
 606                         while (isdigit (*d) || (*d == '.') || (*d == '_')) d += 1;
 607                         if (*d) {
 608                             memcpy (n, docname, MIN (d0 - docname - 1, 64));
 609                             n[63] = '\0';
 610                             docname = n;
 611                         }
 612                     }
 613                 }
 614             }
 615
 616             if (!docname || !*docname) docname = "emergency";
 617             // try saving to the profile location
 618             g_snprintf (c, 1024, "%.256s.%s.%d.svg", docname, sptstr, count);
 619             gchar * location = homedir_path(c);
 620             Inkscape::IO::dump_fopen_call(location, "E");
 621             file = Inkscape::IO::fopen_utf8name(location, "w");
 622             g_free(location);
 623             if (!file) {
 624                 // try saving to /tmp
 625                 g_snprintf (c, 1024, "/tmp/inkscape-%.256s.%s.%d.svg", docname, sptstr, count);
 626                 Inkscape::IO::dump_fopen_call(c, "G");
 627                 file = Inkscape::IO::fopen_utf8name(c, "w");
 628             }
 629             if (!file) {
 630                 // try saving to the current directory
 631                 g_snprintf (c, 1024, "inkscape-%.256s.%s.%d.svg", docname, sptstr, count);
 632                 Inkscape::IO::dump_fopen_call(c, "F");
 633                 file = Inkscape::IO::fopen_utf8name(c, "w");
 634             }
 635             if (file) {
 636                 sp_repr_save_stream (repr->document(), file, SP_SVG_NS_URI);
 637                 savednames = g_slist_prepend (savednames, g_strdup (c));
 638                 fclose (file);
 639             } else {
 640                 failednames = g_slist_prepend (failednames, (doc->name) ? g_strdup (doc->name) : g_strdup (_("Untitled document")));
 641             }
 642             count++;
 643         }
 644     }
 645
 646     savednames = g_slist_reverse (savednames);
 647     failednames = g_slist_reverse (failednames);
 648     if (savednames) {
 649         fprintf (stderr, "\nEmergency save document locations:\n");
 650         for (GSList *l = savednames; l != NULL; l = l->next) {
 651             fprintf (stderr, "  %s\n", (gchar *) l->data);
 652         }
 653     }
 654     if (failednames) {
 655         fprintf (stderr, "\nFailed to do emergency save for documents:\n");
 656         for (GSList *l = failednames; l != NULL; l = l->next) {
 657             fprintf (stderr, "  %s\n", (gchar *) l->data);
 658         }
 659     }
 660
 661     Inkscape::Preferences::unload();
 662
 663     fprintf (stderr, "Emergency save completed. Inkscape will close now.\n");
 664     fprintf (stderr, "If you can reproduce this crash, please file a bug at www.inkscape.org\n");
 665     fprintf (stderr, "with a detailed description of the steps leading to the crash, so we can fix it.\n");
 666
 667     /* Show nice dialog box */
 668
 669     char const *istr = _("Inkscape encountered an internal error and will close now.\n");
 670     char const *sstr = _("Automatic backups of unsaved documents were done to the following locations:\n");
 671     char const *fstr = _("Automatic backup of the following documents failed:\n");
 672     gint nllen = strlen ("\n");
 673     gint len = strlen (istr) + strlen (sstr) + strlen (fstr);
 674     for (GSList *l = savednames; l != NULL; l = l->next) {
 675         len = len + SP_INDENT + strlen ((gchar *) l->data) + nllen;
 676     }
 677     for (GSList *l = failednames; l != NULL; l = l->next) {
 678         len = len + SP_INDENT + strlen ((gchar *) l->data) + nllen;
 679     }
 680     len += 1;
 681     gchar *b = g_new (gchar, len);
 682     gint pos = 0;
 683     len = strlen (istr);
 684     memcpy (b + pos, istr, len);
 685     pos += len;
 686     if (savednames) {
 687         len = strlen (sstr);
 688         memcpy (b + pos, sstr, len);
 689         pos += len;
 690         for (GSList *l = savednames; l != NULL; l = l->next) {
 691             memset (b + pos, ' ', SP_INDENT);
 692             pos += SP_INDENT;
 693             len = strlen ((gchar *) l->data);
 694             memcpy (b + pos, l->data, len);
 695             pos += len;
 696             memcpy (b + pos, "\n", nllen);
 697             pos += nllen;
 698         }
 699     }
 700     if (failednames) {
 701         len = strlen (fstr);
 702         memcpy (b + pos, fstr, len);
 703         pos += len;
 704         for (GSList *l = failednames; l != NULL; l = l->next) {
 705             memset (b + pos, ' ', SP_INDENT);
 706             pos += SP_INDENT;
 707             len = strlen ((gchar *) l->data);
 708             memcpy (b + pos, l->data, len);
 709             pos += len;
 710             memcpy (b + pos, "\n", nllen);
 711             pos += nllen;
 712         }
 713     }
 714     *(b + pos) = '\0';
 715
 716     if ( inkscape_get_instance() && inkscape_app_use_gui( inkscape_get_instance() ) ) {
 717         GtkWidget *msgbox = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", b);
 718         gtk_dialog_run (GTK_DIALOG (msgbox));
 719         gtk_widget_destroy (msgbox);
 720     }
 721     else
 722     {
 723         g_message( "Error: %s", b );
 724     }
 725     g_free (b);
 726
 727     tracker.clear();
 728     Logger::shutdown();
 729
 730     /* on exit, allow restored signal handler to take over and crash us */
 731 }
 732
 733
 734
 735 void
 736 inkscape_application_init (const gchar *argv0, gboolean use_gui)
 737 {
 738     inkscape = (Inkscape::Application *)g_object_new (SP_TYPE_INKSCAPE, NULL);
 739     /* fixme: load application defaults */
 740
 741     segv_handler = signal (SIGSEGV, inkscape_crash_handler);
 742     abrt_handler = signal (SIGABRT, inkscape_crash_handler);
 743     fpe_handler  = signal (SIGFPE,  inkscape_crash_handler);
 744     ill_handler  = signal (SIGILL,  inkscape_crash_handler);
 745 #ifndef WIN32
 746     bus_handler  = signal (SIGBUS,  inkscape_crash_handler);
 747 #endif
 748
 749     inkscape->use_gui = use_gui;
 750     inkscape->argv0 = g_strdup(argv0);
 751
 752     /* Load the preferences and menus; Later menu layout should be merged into prefs */
 753     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 754     prefs->load(use_gui, false);
 755     inkscape_load_menus(inkscape);
 756     sp_input_load_from_preferences();
 757
 758     /* DebugDialog redirection.  On Linux, default to OFF, on Win32, default to ON.
 759      * Use only if use_gui is enabled
 760      */
 761 #ifdef WIN32
 762 #define DEFAULT_LOG_REDIRECT true
 763 #else
 764 #define DEFAULT_LOG_REDIRECT false
 765 #endif
 766
 767     if (use_gui == TRUE && prefs->getBool("/dialogs/debug/redirect", DEFAULT_LOG_REDIRECT))
 768     {
 769         Inkscape::UI::Dialog::DebugDialog::getInstance()->captureLogMessages();
 770     }
 771
 772     /* Check for global remapping of Alt key */
 773     if(use_gui)
 774     {
 775         inkscape_mapalt(guint(prefs->getInt("/options/mapalt/value", 0)));
 776     }
 777
 778     /* Initialize the extensions */
 779     Inkscape::Extension::init();
 780
 781     inkscape_autosave_init();
 782
 783     return;
 784 }
 785
 786 /**
 787  *  Returns the current Inkscape::Application global object
 788  */
 789 Inkscape::Application *
 790 inkscape_get_instance()
 791 {
 792         return inkscape;
 793 }
 794
 795 gboolean inkscape_app_use_gui( Inkscape::Application const * app )
 796 {
 797     return app->use_gui;
 798 }
 799
 800 /**
 801  *  Menus management
 802  *
 803  */
 804 bool inkscape_load_menus (Inkscape::Application */*inkscape*/)
 805 {
 806     gchar *fn = profile_path(MENUS_FILE);
 807     gchar *menus_xml = NULL; gsize len = 0;
 808
 809     if (g_file_get_contents(fn, &menus_xml, &len, NULL)) {
 810         // load the menus_xml file
 811         INKSCAPE->menus = sp_repr_read_mem(menus_xml, len, NULL);
 812         g_free(menus_xml);
 813         if (INKSCAPE->menus) return true;
 814     }
 815     INKSCAPE->menus = sp_repr_read_mem(menus_skeleton, MENUS_SKELETON_SIZE, NULL);
 816     if (INKSCAPE->menus) return true;
 817     return false;
 818 }
 819
 820
 821 void
 822 inkscape_selection_modified (Inkscape::Selection *selection, guint flags)
 823 {
 824     if (Inkscape::NSApplication::Application::getNewGui()) {
 825         Inkscape::NSApplication::Editor::selectionModified (selection, flags);
 826         return;
 827     }
 828     g_return_if_fail (selection != NULL);
 829
 830     if (DESKTOP_IS_ACTIVE (selection->desktop())) {
 831         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[MODIFY_SELECTION], 0, selection, flags);
 832     }
 833 }
 834
 835
 836 void
 837 inkscape_selection_changed (Inkscape::Selection * selection)
 838 {
 839     if (Inkscape::NSApplication::Application::getNewGui()) {
 840         Inkscape::NSApplication::Editor::selectionChanged (selection);
 841         return;
 842     }
 843     g_return_if_fail (selection != NULL);
 844
 845     if (DESKTOP_IS_ACTIVE (selection->desktop())) {
 846         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, selection);
 847     }
 848 }
 849
 850 void
 851 inkscape_subselection_changed (SPDesktop *desktop)
 852 {
 853     if (Inkscape::NSApplication::Application::getNewGui()) {
 854         Inkscape::NSApplication::Editor::subSelectionChanged (desktop);
 855         return;
 856     }
 857     g_return_if_fail (desktop != NULL);
 858
 859     if (DESKTOP_IS_ACTIVE (desktop)) {
 860         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SUBSELECTION], 0, desktop);
 861     }
 862 }
 863
 864
 865 void
 866 inkscape_selection_set (Inkscape::Selection * selection)
 867 {
 868     if (Inkscape::NSApplication::Application::getNewGui()) {
 869         Inkscape::NSApplication::Editor::selectionSet (selection);
 870         return;
 871     }
 872     g_return_if_fail (selection != NULL);
 873
 874     if (DESKTOP_IS_ACTIVE (selection->desktop())) {
 875         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, selection);
 876         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, selection);
 877     }
 878 }
 879
 880
 881 void
 882 inkscape_eventcontext_set (SPEventContext * eventcontext)
 883 {
 884     if (Inkscape::NSApplication::Application::getNewGui()) {
 885         Inkscape::NSApplication::Editor::eventContextSet (eventcontext);
 886         return;
 887     }
 888     g_return_if_fail (eventcontext != NULL);
 889     g_return_if_fail (SP_IS_EVENT_CONTEXT (eventcontext));
 890
 891     if (DESKTOP_IS_ACTIVE (eventcontext->desktop)) {
 892         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, eventcontext);
 893     }
 894 }
 895
 896
 897 void
 898 inkscape_add_desktop (SPDesktop * desktop)
 899 {
 900     g_return_if_fail (desktop != NULL);
 901
 902     if (Inkscape::NSApplication::Application::getNewGui())
 903     {
 904         Inkscape::NSApplication::Editor::addDesktop (desktop);
 905         return;
 906     }
 907     g_return_if_fail (inkscape != NULL);
 908
 909     g_assert (!g_slist_find (inkscape->desktops, desktop));
 910
 911     inkscape->desktops = g_slist_prepend (inkscape->desktops, desktop);
 912
 913     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, desktop);
 914     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, sp_desktop_event_context (desktop));
 915     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, sp_desktop_selection (desktop));
 916     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, sp_desktop_selection (desktop));
 917 }
 918
 919
 920
 921 void
 922 inkscape_remove_desktop (SPDesktop * desktop)
 923 {
 924     g_return_if_fail (desktop != NULL);
 925     if (Inkscape::NSApplication::Application::getNewGui())
 926     {
 927         Inkscape::NSApplication::Editor::removeDesktop (desktop);
 928         return;
 929     }
 930     g_return_if_fail (inkscape != NULL);
 931
 932     g_assert (g_slist_find (inkscape->desktops, desktop));
 933
 934     if (DESKTOP_IS_ACTIVE (desktop)) {
 935         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DEACTIVATE_DESKTOP], 0, desktop);
 936         if (inkscape->desktops->next != NULL) {
 937             SPDesktop * new_desktop = (SPDesktop *) inkscape->desktops->next->data;
 938             inkscape->desktops = g_slist_remove (inkscape->desktops, new_desktop);
 939             inkscape->desktops = g_slist_prepend (inkscape->desktops, new_desktop);
 940             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, new_desktop);
 941             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, sp_desktop_event_context (new_desktop));
 942             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, sp_desktop_selection (new_desktop));
 943             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, sp_desktop_selection (new_desktop));
 944         } else {
 945             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, NULL);
 946             if (sp_desktop_selection(desktop))
 947                 sp_desktop_selection(desktop)->clear();
 948         }
 949     }
 950
 951     inkscape->desktops = g_slist_remove (inkscape->desktops, desktop);
 952
 953     // if this was the last desktop, shut down the program
 954     if (inkscape->desktops == NULL) {
 955         inkscape_exit (inkscape);
 956     }
 957 }
 958
 959
 960
 961 void
 962 inkscape_activate_desktop (SPDesktop * desktop)
 963 {
 964     g_return_if_fail (desktop != NULL);
 965     if (Inkscape::NSApplication::Application::getNewGui())
 966     {
 967         Inkscape::NSApplication::Editor::activateDesktop (desktop);
 968         return;
 969     }
 970     g_return_if_fail (inkscape != NULL);
 971
 972     if (DESKTOP_IS_ACTIVE (desktop)) {
 973         return;
 974     }
 975
 976     g_assert (g_slist_find (inkscape->desktops, desktop));
 977
 978     SPDesktop *current = (SPDesktop *) inkscape->desktops->data;
 979
 980     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DEACTIVATE_DESKTOP], 0, current);
 981
 982     inkscape->desktops = g_slist_remove (inkscape->desktops, desktop);
 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  *  Resends ACTIVATE_DESKTOP for current desktop; needed when a new desktop has got its window that dialogs will transientize to
 994  */
 995 void
 996 inkscape_reactivate_desktop (SPDesktop * desktop)
 997 {
 998     g_return_if_fail (desktop != NULL);
 999     if (Inkscape::NSApplication::Application::getNewGui())
1000     {
1001         Inkscape::NSApplication::Editor::reactivateDesktop (desktop);
1002         return;
1003     }
1004     g_return_if_fail (inkscape != NULL);
1005
1006     if (DESKTOP_IS_ACTIVE (desktop))
1007         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, desktop);
1008 }
1009
1010
1011
1012 SPDesktop *
1013 inkscape_find_desktop_by_dkey (unsigned int dkey)
1014 {
1015     for (GSList *r = inkscape->desktops; r; r = r->next) {
1016         if (((SPDesktop *) r->data)->dkey == dkey)
1017             return ((SPDesktop *) r->data);
1018     }
1019     return NULL;
1020 }
1021
1022
1023
1024
1025 unsigned int
1026 inkscape_maximum_dkey()
1027 {
1028     unsigned int dkey = 0;
1029
1030     for (GSList *r = inkscape->desktops; r; r = r->next) {
1031         if (((SPDesktop *) r->data)->dkey > dkey)
1032             dkey = ((SPDesktop *) r->data)->dkey;
1033     }
1034
1035     return dkey;
1036 }
1037
1038
1039
1040 SPDesktop *
1041 inkscape_next_desktop ()
1042 {
1043     SPDesktop *d = NULL;
1044     unsigned int dkey_current = ((SPDesktop *) inkscape->desktops->data)->dkey;
1045
1046     if (dkey_current < inkscape_maximum_dkey()) {
1047         // find next existing
1048         for (unsigned int i = dkey_current + 1; i <= inkscape_maximum_dkey(); i++) {
1049             d = inkscape_find_desktop_by_dkey (i);
1050             if (d) {
1051                 break;
1052             }
1053         }
1054     } else {
1055         // find first existing
1056         for (unsigned int i = 0; i <= inkscape_maximum_dkey(); i++) {
1057             d = inkscape_find_desktop_by_dkey (i);
1058             if (d) {
1059                 break;
1060             }
1061         }
1062     }
1063
1064     g_assert (d);
1065
1066     return d;
1067 }
1068
1069
1070
1071 SPDesktop *
1072 inkscape_prev_desktop ()
1073 {
1074     SPDesktop *d = NULL;
1075     unsigned int dkey_current = ((SPDesktop *) inkscape->desktops->data)->dkey;
1076
1077     if (dkey_current > 0) {
1078         // find prev existing
1079         for (signed int i = dkey_current - 1; i >= 0; i--) {
1080             d = inkscape_find_desktop_by_dkey (i);
1081             if (d) {
1082                 break;
1083             }
1084         }
1085     }
1086     if (!d) {
1087         // find last existing
1088         d = inkscape_find_desktop_by_dkey (inkscape_maximum_dkey());
1089     }
1090
1091     g_assert (d);
1092
1093     return d;
1094 }
1095
1096
1097
1098 void
1099 inkscape_switch_desktops_next ()
1100 {
1101     inkscape_next_desktop()->presentWindow();
1102 }
1103
1104
1105
1106 void
1107 inkscape_switch_desktops_prev ()
1108 {
1109     inkscape_prev_desktop()->presentWindow();
1110 }
1111
1112
1113
1114 void
1115 inkscape_dialogs_hide ()
1116 {
1117     if (Inkscape::NSApplication::Application::getNewGui())
1118         Inkscape::NSApplication::Editor::hideDialogs();
1119     else
1120     {
1121         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DIALOGS_HIDE], 0);
1122         inkscape->dialogs_toggle = FALSE;
1123     }
1124 }
1125
1126
1127
1128 void
1129 inkscape_dialogs_unhide ()
1130 {
1131     if (Inkscape::NSApplication::Application::getNewGui())
1132         Inkscape::NSApplication::Editor::unhideDialogs();
1133     else
1134     {
1135         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DIALOGS_UNHIDE], 0);
1136         inkscape->dialogs_toggle = TRUE;
1137     }
1138 }
1139
1140
1141
1142 void
1143 inkscape_dialogs_toggle ()
1144 {
1145     if (inkscape->dialogs_toggle) {
1146         inkscape_dialogs_hide ();
1147     } else {
1148         inkscape_dialogs_unhide ();
1149     }
1150 }
1151
1152 void
1153 inkscape_external_change ()
1154 {
1155     g_return_if_fail (inkscape != NULL);
1156
1157     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[EXTERNAL_CHANGE], 0);
1158 }
1159
1160 /**
1161  * fixme: These need probably signals too
1162  */
1163 void
1164 inkscape_add_document (SPDocument *document)
1165 {
1166     g_return_if_fail (document != NULL);
1167
1168     if (!Inkscape::NSApplication::Application::getNewGui())
1169     {
1170         // try to insert the pair into the list
1171         if (!(inkscape->document_set.insert(std::make_pair(document, 1)).second)) {
1172             //insert failed, this key (document) is already in the list
1173             for (std::map<SPDocument*,int>::iterator iter = inkscape->document_set.begin();
1174                    iter != inkscape->document_set.end();
1175                    ++iter) {
1176                 if (iter->first == document) {
1177                     // found this document in list, increase its count
1178                     iter->second ++;
1179                 }
1180            }
1181         }
1182     }
1183     else
1184     {
1185         Inkscape::NSApplication::Editor::addDocument (document);
1186     }
1187 }
1188
1189
1190 // returns true if this was last reference to this document, so you can delete it
1191 bool
1192 inkscape_remove_document (SPDocument *document)
1193 {
1194     g_return_val_if_fail (document != NULL, false);
1195
1196     if (!Inkscape::NSApplication::Application::getNewGui())
1197     {
1198         for (std::map<SPDocument*,int>::iterator iter = inkscape->document_set.begin();
1199                   iter != inkscape->document_set.end();
1200                   ++iter) {
1201             if (iter->first == document) {
1202                 // found this document in list, decrease its count
1203                 iter->second --;
1204                 if (iter->second < 1) {
1205                     // this was the last one, remove the pair from list
1206                     inkscape->document_set.erase (iter);
1207                     return true;
1208                 } else {
1209                     return false;
1210                 }
1211             }
1212         }
1213     }
1214     else
1215     {
1216         Inkscape::NSApplication::Editor::removeDocument (document);
1217     }
1218
1219     return false;
1220 }
1221
1222 SPDesktop *
1223 inkscape_active_desktop (void)
1224 {
1225     if (Inkscape::NSApplication::Application::getNewGui())
1226         return Inkscape::NSApplication::Editor::getActiveDesktop();
1227
1228     if (inkscape->desktops == NULL) {
1229         return NULL;
1230     }
1231
1232     return (SPDesktop *) inkscape->desktops->data;
1233 }
1234
1235 SPDocument *
1236 inkscape_active_document (void)
1237 {
1238     if (Inkscape::NSApplication::Application::getNewGui())
1239         return Inkscape::NSApplication::Editor::getActiveDocument();
1240
1241     if (SP_ACTIVE_DESKTOP) {
1242         return sp_desktop_document (SP_ACTIVE_DESKTOP);
1243     }
1244
1245     return NULL;
1246 }
1247
1248 bool inkscape_is_sole_desktop_for_document(SPDesktop const &desktop) {
1249     SPDocument const* document = desktop.doc();
1250     if (!document) {
1251         return false;
1252     }
1253     for ( GSList *iter = inkscape->desktops ; iter ; iter = iter->next ) {
1254         SPDesktop *other_desktop=(SPDesktop *)iter->data;
1255         SPDocument *other_document=other_desktop->doc();
1256         if ( other_document == document && other_desktop != &desktop ) {
1257             return false;
1258         }
1259     }
1260     return true;
1261 }
1262
1263 SPEventContext *
1264 inkscape_active_event_context (void)
1265 {
1266     if (SP_ACTIVE_DESKTOP) {
1267         return sp_desktop_event_context (SP_ACTIVE_DESKTOP);
1268     }
1269
1270     return NULL;
1271 }
1272
1273
1274
1275 /*#####################
1276 # HELPERS
1277 #####################*/
1278
1279 void
1280 inkscape_refresh_display (Inkscape::Application *inkscape)
1281 {
1282     for (GSList *l = inkscape->desktops; l != NULL; l = l->next) {
1283         (static_cast<Inkscape::UI::View::View*>(l->data))->requestRedraw();
1284     }
1285 }
1286
1287
1288 /**
1289  *  Handler for Inkscape's Exit verb.  This emits the shutdown signal,
1290  *  saves the preferences if appropriate, and quits.
1291  */
1292 void
1293 inkscape_exit (Inkscape::Application */*inkscape*/)
1294 {
1295     g_assert (INKSCAPE);
1296
1297     //emit shutdown signal so that dialogs could remember layout
1298     g_signal_emit (G_OBJECT (INKSCAPE), inkscape_signals[SHUTDOWN_SIGNAL], 0);
1299
1300     Inkscape::Preferences::unload();
1301     gtk_main_quit ();
1302 }
1303
1304 char *
1305 homedir_path(const char *filename)
1306 {
1307     static const gchar *homedir = NULL;
1308     if (!homedir) {
1309         homedir = g_get_home_dir();
1310     }
1311     if (!homedir) {
1312         homedir = g_path_get_dirname(INKSCAPE->argv0);
1313     }
1314     return g_build_filename(homedir, filename, NULL);
1315 }
1316
1317
1318 /**
1319  * Get, or guess, or decide the location where the preferences.xml
1320  * file should be located.
1321  */
1322 gchar *
1323 profile_path(const char *filename)
1324 {
1325     static const gchar *prefdir = NULL;
1326     if (!prefdir) {
1327 #ifdef HAS_SHGetSpecialFolderLocation
1328         // prefer c:\Documents and Settings\UserName\Application Data\ to
1329         // c:\Documents and Settings\userName\;
1330         if (!prefdir) {
1331             ITEMIDLIST *pidl = 0;
1332             if ( SHGetSpecialFolderLocation( NULL, CSIDL_APPDATA, &pidl ) == NOERROR ) {
1333                 gchar * utf8Path = NULL;
1334
1335                 if ( PrintWin32::is_os_wide() ) {
1336                     wchar_t pathBuf[MAX_PATH+1];
1337                     g_assert(sizeof(wchar_t) == sizeof(gunichar2));
1338
1339                     if ( SHGetPathFromIDListW( pidl, pathBuf ) ) {
1340                         utf8Path = g_utf16_to_utf8( (gunichar2*)(&pathBuf[0]), -1, NULL, NULL, NULL );
1341                     }
1342                 } else {
1343                     char pathBuf[MAX_PATH+1];
1344
1345                     if ( SHGetPathFromIDListA( pidl, pathBuf ) ) {
1346                         utf8Path = g_filename_to_utf8( pathBuf, -1, NULL, NULL, NULL );
1347                     }
1348                 }
1349
1350                 if ( utf8Path ) {
1351                     if (!g_utf8_validate(utf8Path, -1, NULL)) {
1352                         g_warning( "SHGetPathFromIDList%c() resulted in invalid UTF-8", (PrintWin32::is_os_wide() ? 'W' : 'A') );
1353                         g_free( utf8Path );
1354                         utf8Path = 0;
1355                     } else {
1356                         prefdir = utf8Path;
1357                     }
1358                 }
1359
1360
1361                 /* not compiling yet...
1362
1363                 // Remember to free the list pointer
1364                 IMalloc * imalloc = 0;
1365                 if ( SHGetMalloc(&imalloc) == NOERROR) {
1366                     imalloc->lpVtbl->Free( imalloc, pidl );
1367                     imalloc->lpVtbl->Release( imalloc );
1368                 }
1369                 */
1370             }
1371
1372             if (prefdir) {
1373                 prefdir = g_build_filename(prefdir, INKSCAPE_PROFILE_DIR, NULL);
1374             }
1375         }
1376 #endif
1377         if (!prefdir) {
1378             prefdir = g_build_filename(g_get_user_config_dir(), INKSCAPE_PROFILE_DIR, NULL);
1379             gchar * legacyDir = homedir_path(INKSCAPE_LEGACY_PROFILE_DIR);
1380
1381             // TODO here is a point to hook in preference migration
1382
1383             if ( !Inkscape::IO::file_test( prefdir, G_FILE_TEST_EXISTS ) && Inkscape::IO::file_test( legacyDir, G_FILE_TEST_EXISTS ) ) {
1384                 prefdir = legacyDir;
1385             } else {
1386                 g_free(legacyDir);
1387                 legacyDir = 0;
1388             }
1389         }
1390     }
1391     return g_build_filename(prefdir, filename, NULL);
1392 }
1393
1394 Inkscape::XML::Node *
1395 inkscape_get_menus (Inkscape::Application * inkscape)
1396 {
1397     Inkscape::XML::Node *repr = inkscape->menus->root();
1398     g_assert (!(strcmp (repr->name(), "inkscape")));
1399     return repr->firstChild();
1400 }
1401
1402 void
1403 inkscape_get_all_desktops(std::list< SPDesktop* >& listbuf)
1404 {
1405     for(GSList* l = inkscape->desktops; l != NULL; l = l->next) {
1406         listbuf.push_back(static_cast< SPDesktop* >(l->data));
1407     }
1408 }
1409
1410
1411
1412 /*
1413   Local Variables:
1414   mode:c++
1415   c-file-style:"stroustrup"
1416   c-file-offsets:((innamespace . 0)(inline-open . 0))
1417   indent-tabs-mode:nil
1418   fill-column:99
1419   End:
1420 */
1421 // vim: expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :