src/inkscape.cpp

   1 #define __INKSCAPE_C__
   2
   3 /*
   4  * Interface to main application
   5  *
   6  * Authors:
   7  *   Lauris Kaplinski <lauris@kaplinski.com>
   8  *   bulia byak <buliabyak@users.sf.net>
   9  *
  10  * Copyright (C) 1999-2005 authors
  11  * g++ port Copyright (C) 2003 Nathan Hurst
  12  *
  13  * Released under GNU GPL, read the file 'COPYING' for more information
  14  */
  15
  16 #ifdef HAVE_CONFIG_H
  17 # include "config.h"
  18 #endif
  19
  20
  21 #include <set>
  22 #include "debug/simple-event.h"
  23 #include "debug/event-tracker.h"
  24
  25 #ifndef WIN32
  26 # define HAS_PROC_SELF_EXE  //to get path of executable
  27 #else
  28
  29 // For now to get at is_os_wide().
  30 # include "extension/internal/win32.h"
  31 using Inkscape::Extension::Internal::PrintWin32;
  32
  33 #define _WIN32_IE 0x0400
  34 //#define HAS_SHGetSpecialFolderPath
  35 #define HAS_SHGetSpecialFolderLocation
  36 #define HAS_GetModuleFileName
  37 # include <shlobj.h>
  38 #endif
  39
  40 #include <signal.h>
  41
  42 #include <gtk/gtkmain.h>
  43 #include <gtk/gtkmessagedialog.h>
  44 #include <glib.h>
  45 #include <glib/gstdio.h>
  46
  47 #include <glibmm/i18n.h>
  48 #include <string>
  49 #include <cstring>
  50 #include "helper/sp-marshal.h"
  51 #include "dialogs/debugdialog.h"
  52 #include "application/application.h"
  53 #include "application/editor.h"
  54 #include "preferences.h"
  55
  56
  57 #include "document.h"
  58 #include "desktop.h"
  59 #include "desktop-handles.h"
  60 #include "selection.h"
  61 #include "event-context.h"
  62 #include "inkscape-private.h"
  63 #include "prefs-utils.h"
  64 #include "xml/repr.h"
  65 #include "io/sys.h"
  66 #include "message-stack.h"
  67
  68 #include "extension/init.h"
  69 #include "extension/db.h"
  70 #include "extension/output.h"
  71 #include "extension/system.h"
  72
  73 static Inkscape::Application *inkscape = NULL;
  74
  75 /* Backbones of configuration xml data */
  76 #include "menus-skeleton.h"
  77
  78 enum {
  79     MODIFY_SELECTION, // global: one of selections modified
  80     CHANGE_SELECTION, // global: one of selections changed
  81     CHANGE_SUBSELECTION, // global: one of subselections (text selection, gradient handle, etc) changed
  82     SET_SELECTION, // global: one of selections set
  83     SET_EVENTCONTEXT, // tool switched
  84     ACTIVATE_DESKTOP, // some desktop got focus
  85     DEACTIVATE_DESKTOP, // some desktop lost focus
  86     SHUTDOWN_SIGNAL, // inkscape is quitting
  87     DIALOGS_HIDE, // user pressed F12
  88     DIALOGS_UNHIDE, // user pressed F12
  89     EXTERNAL_CHANGE, // a document was changed by some external means (undo or XML editor); this
  90                      // may not be reflected by a selection change and thus needs a separate signal
  91     LAST_SIGNAL
  92 };
  93
  94 #define DESKTOP_IS_ACTIVE(d) ((d) == inkscape->desktops->data)
  95
  96
  97 /*################################
  98 # FORWARD DECLARATIONS
  99 ################################*/
 100
 101 gboolean inkscape_app_use_gui( Inkscape::Application const * app );
 102
 103 static void inkscape_class_init (Inkscape::ApplicationClass *klass);
 104 static void inkscape_init (SPObject *object);
 105 static void inkscape_dispose (GObject *object);
 106
 107 static void inkscape_activate_desktop_private (Inkscape::Application *inkscape, SPDesktop *desktop);
 108 static void inkscape_deactivate_desktop_private (Inkscape::Application *inkscape, SPDesktop *desktop);
 109
 110 static bool inkscape_init_config (Inkscape::XML::Document *doc, const gchar *config_name, const gchar *skeleton,
 111                                   unsigned int skel_size,
 112                                   const gchar *e_mkdir,
 113                                   const gchar *e_notdir,
 114                                   const gchar *e_ccf,
 115                                   const gchar *e_cwf,
 116                                   const gchar *warn);
 117
 118 struct Inkscape::Application {
 119     GObject object;
 120     Inkscape::XML::Document *menus;
 121     std::multiset<SPDocument *> document_set;
 122     GSList *documents;
 123     GSList *desktops;
 124     gchar *argv0;
 125     gboolean dialogs_toggle;
 126     gboolean use_gui;         // may want to consider a virtual function
 127                               // for overriding things like the warning dlg's
 128     guint mapalt;
 129 };
 130
 131 struct Inkscape::ApplicationClass {
 132     GObjectClass object_class;
 133
 134     /* Signals */
 135     void (* change_selection) (Inkscape::Application * inkscape, Inkscape::Selection * selection);
 136     void (* change_subselection) (Inkscape::Application * inkscape, SPDesktop *desktop);
 137     void (* modify_selection) (Inkscape::Application * inkscape, Inkscape::Selection * selection, guint flags);
 138     void (* set_selection) (Inkscape::Application * inkscape, Inkscape::Selection * selection);
 139     void (* set_eventcontext) (Inkscape::Application * inkscape, SPEventContext * eventcontext);
 140     void (* activate_desktop) (Inkscape::Application * inkscape, SPDesktop * desktop);
 141     void (* deactivate_desktop) (Inkscape::Application * inkscape, SPDesktop * desktop);
 142     void (* destroy_document) (Inkscape::Application *inkscape, SPDocument *doc);
 143     void (* color_set) (Inkscape::Application *inkscape, SPColor *color, double opacity);
 144     void (* shut_down) (Inkscape::Application *inkscape);
 145     void (* dialogs_hide) (Inkscape::Application *inkscape);
 146     void (* dialogs_unhide) (Inkscape::Application *inkscape);
 147     void (* external_change) (Inkscape::Application *inkscape);
 148 };
 149
 150 static GObjectClass * parent_class;
 151 static guint inkscape_signals[LAST_SIGNAL] = {0};
 152
 153 static void (* segv_handler) (int) = SIG_DFL;
 154 static void (* abrt_handler) (int) = SIG_DFL;
 155 static void (* fpe_handler)  (int) = SIG_DFL;
 156 static void (* ill_handler)  (int) = SIG_DFL;
 157 static void (* bus_handler)  (int) = SIG_DFL;
 158
 159 #ifdef WIN32
 160 #define INKSCAPE_PROFILE_DIR "Inkscape"
 161 #else
 162 #define INKSCAPE_PROFILE_DIR ".inkscape"
 163 #endif
 164
 165 #define MENUS_FILE "menus.xml"
 166
 167
 168 /**
 169  *  Retrieves the GType for the Inkscape Application object.
 170  */
 171 GType
 172 inkscape_get_type (void)
 173 {
 174     static GType type = 0;
 175     if (!type) {
 176         GTypeInfo info = {
 177             sizeof (Inkscape::ApplicationClass),
 178             NULL, NULL,
 179             (GClassInitFunc) inkscape_class_init,
 180             NULL, NULL,
 181             sizeof (Inkscape::Application),
 182             4,
 183             (GInstanceInitFunc) inkscape_init,
 184             NULL
 185         };
 186         type = g_type_register_static (G_TYPE_OBJECT, "Inkscape_Application", &info, (GTypeFlags)0);
 187     }
 188     return type;
 189 }
 190
 191
 192 /**
 193  *  Initializes the inkscape class, registering all of its signal handlers
 194  *  and virtual functions
 195  */
 196 static void
 197 inkscape_class_init (Inkscape::ApplicationClass * klass)
 198 {
 199     GObjectClass * object_class;
 200
 201     object_class = (GObjectClass *) klass;
 202
 203     parent_class = (GObjectClass *)g_type_class_peek_parent (klass);
 204
 205     inkscape_signals[MODIFY_SELECTION] = g_signal_new ("modify_selection",
 206                                G_TYPE_FROM_CLASS (klass),
 207                                G_SIGNAL_RUN_FIRST,
 208                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, modify_selection),
 209                                NULL, NULL,
 210                                sp_marshal_NONE__POINTER_UINT,
 211                                G_TYPE_NONE, 2,
 212                                G_TYPE_POINTER, G_TYPE_UINT);
 213     inkscape_signals[CHANGE_SELECTION] = g_signal_new ("change_selection",
 214                                G_TYPE_FROM_CLASS (klass),
 215                                G_SIGNAL_RUN_FIRST,
 216                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, change_selection),
 217                                NULL, NULL,
 218                                sp_marshal_NONE__POINTER,
 219                                G_TYPE_NONE, 1,
 220                                G_TYPE_POINTER);
 221     inkscape_signals[CHANGE_SUBSELECTION] = g_signal_new ("change_subselection",
 222                                G_TYPE_FROM_CLASS (klass),
 223                                G_SIGNAL_RUN_FIRST,
 224                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, change_subselection),
 225                                NULL, NULL,
 226                                sp_marshal_NONE__POINTER,
 227                                G_TYPE_NONE, 1,
 228                                G_TYPE_POINTER);
 229     inkscape_signals[SET_SELECTION] =    g_signal_new ("set_selection",
 230                                G_TYPE_FROM_CLASS (klass),
 231                                G_SIGNAL_RUN_FIRST,
 232                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, set_selection),
 233                                NULL, NULL,
 234                                sp_marshal_NONE__POINTER,
 235                                G_TYPE_NONE, 1,
 236                                G_TYPE_POINTER);
 237     inkscape_signals[SET_EVENTCONTEXT] = g_signal_new ("set_eventcontext",
 238                                G_TYPE_FROM_CLASS (klass),
 239                                G_SIGNAL_RUN_FIRST,
 240                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, set_eventcontext),
 241                                NULL, NULL,
 242                                sp_marshal_NONE__POINTER,
 243                                G_TYPE_NONE, 1,
 244                                G_TYPE_POINTER);
 245     inkscape_signals[ACTIVATE_DESKTOP] = g_signal_new ("activate_desktop",
 246                                G_TYPE_FROM_CLASS (klass),
 247                                G_SIGNAL_RUN_FIRST,
 248                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, activate_desktop),
 249                                NULL, NULL,
 250                                sp_marshal_NONE__POINTER,
 251                                G_TYPE_NONE, 1,
 252                                G_TYPE_POINTER);
 253     inkscape_signals[DEACTIVATE_DESKTOP] = g_signal_new ("deactivate_desktop",
 254                                G_TYPE_FROM_CLASS (klass),
 255                                G_SIGNAL_RUN_FIRST,
 256                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, deactivate_desktop),
 257                                NULL, NULL,
 258                                sp_marshal_NONE__POINTER,
 259                                G_TYPE_NONE, 1,
 260                                G_TYPE_POINTER);
 261     inkscape_signals[SHUTDOWN_SIGNAL] =        g_signal_new ("shut_down",
 262                                G_TYPE_FROM_CLASS (klass),
 263                                G_SIGNAL_RUN_FIRST,
 264                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, shut_down),
 265                                NULL, NULL,
 266                                g_cclosure_marshal_VOID__VOID,
 267                                G_TYPE_NONE, 0);
 268     inkscape_signals[DIALOGS_HIDE] =        g_signal_new ("dialogs_hide",
 269                                G_TYPE_FROM_CLASS (klass),
 270                                G_SIGNAL_RUN_FIRST,
 271                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, dialogs_hide),
 272                                NULL, NULL,
 273                                g_cclosure_marshal_VOID__VOID,
 274                                G_TYPE_NONE, 0);
 275     inkscape_signals[DIALOGS_UNHIDE] =        g_signal_new ("dialogs_unhide",
 276                                G_TYPE_FROM_CLASS (klass),
 277                                G_SIGNAL_RUN_FIRST,
 278                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, dialogs_unhide),
 279                                NULL, NULL,
 280                                g_cclosure_marshal_VOID__VOID,
 281                                G_TYPE_NONE, 0);
 282     inkscape_signals[EXTERNAL_CHANGE] =   g_signal_new ("external_change",
 283                                G_TYPE_FROM_CLASS (klass),
 284                                G_SIGNAL_RUN_FIRST,
 285                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, external_change),
 286                                NULL, NULL,
 287                                g_cclosure_marshal_VOID__VOID,
 288                                G_TYPE_NONE, 0);
 289
 290     object_class->dispose = inkscape_dispose;
 291
 292     klass->activate_desktop = inkscape_activate_desktop_private;
 293     klass->deactivate_desktop = inkscape_deactivate_desktop_private;
 294 }
 295
 296 #ifdef WIN32
 297 typedef int uid_t;
 298 #define getuid() 0
 299 #endif
 300
 301 /**
 302  * static gint inkscape_autosave(gpointer);
 303  *
 304  * Callback passed to g_timeout_add_seconds()
 305  * Responsible for autosaving all open documents
 306  */
 307 static gint inkscape_autosave(gpointer)
 308 {
 309     // Use UID for separating autosave-documents between users if directory is multiuser
 310     uid_t uid = getuid();
 311
 312     Glib::ustring autosave_dir;
 313     {
 314         gchar const* tmp = prefs_get_string_attribute("options.autosave", "path");
 315         if ( tmp ) {
 316             autosave_dir = tmp;
 317         } else {
 318             autosave_dir = Glib::get_tmp_dir();
 319         }
 320     }
 321
 322     GDir *autosave_dir_ptr = g_dir_open(autosave_dir.c_str(), 0, NULL);
 323     if( !autosave_dir_ptr ){
 324         g_warning("Cannot open autosave directory!");
 325         return TRUE;
 326     }
 327
 328     time_t sptime = time(NULL);
 329     struct tm *sptm = localtime(&sptime);
 330     gchar sptstr[256];
 331     strftime(sptstr, 256, "%Y_%m_%d_%H_%M_%S", sptm);
 332
 333     gint autosave_max = prefs_get_int_attribute("options.autosave", "max", 10);
 334
 335     gint docnum = 0;
 336
 337     SP_ACTIVE_DESKTOP->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Autosaving documents..."));
 338     for (GSList *docList = inkscape->documents; docList; docList = docList->next) {
 339         ++docnum;
 340
 341         // TODO replace this with SP_DOCUMENT() when linking issues are addressed:
 342         SPDocument *doc = static_cast<SPDocument *>(docList->data);
 343         Inkscape::XML::Node *repr = sp_document_repr_root(doc);
 344         // g_debug("Document %d: \"%s\" %s", docnum, doc ? doc->name : "(null)", doc ? (doc->isModifiedSinceSave() ? "(dirty)" : "(clean)") : "(null)");
 345
 346         if (doc->isModifiedSinceSave()) {
 347             gchar *oldest_autosave = 0;
 348             const gchar  *filename = 0;
 349             struct stat sb;
 350             time_t min_time = 0;
 351             gint count = 0;
 352
 353             // Look for previous autosaves
 354             gchar* baseName = g_strdup_printf( "inkscape-autosave-%d", uid );
 355             g_dir_rewind(autosave_dir_ptr);
 356             while( (filename = g_dir_read_name(autosave_dir_ptr)) != NULL ){
 357                 if ( strncmp(filename, baseName, strlen(baseName)) == 0 ){
 358                     gchar* full_path = g_build_filename( autosave_dir.c_str(), filename, NULL );
 359                     if ( g_stat(full_path, &sb) != -1 ) {
 360                         if ( difftime(sb.st_ctime, min_time) < 0 || min_time == 0 ){
 361                             min_time = sb.st_ctime;
 362                             if ( oldest_autosave ) {
 363                                 g_free(oldest_autosave);
 364                             }
 365                             oldest_autosave = g_strdup(full_path);
 366                         }
 367                         count ++;
 368                     }
 369                     g_free(full_path);
 370                 }
 371             }
 372
 373             // g_debug("%d previous autosaves exists. Max = %d", count, autosave_max);
 374
 375             // Have we reached the limit for number of autosaves?
 376             if ( count >= autosave_max ){
 377                 // Remove the oldest file
 378                 if ( oldest_autosave ) {
 379                     unlink(oldest_autosave);
 380                 }
 381             }
 382
 383             if ( oldest_autosave ) {
 384                 g_free(oldest_autosave);
 385                 oldest_autosave = 0;
 386             }
 387
 388
 389             // Set the filename we will actually save to
 390             g_free(baseName);
 391             baseName = g_strdup_printf("inkscape-autosave-%d-%s-%03d.svg", uid, sptstr, docnum);
 392             gchar* full_path = g_build_filename(autosave_dir.c_str(), baseName, NULL);
 393             g_free(baseName);
 394             baseName = 0;
 395
 396             // g_debug("Filename: %s", full_path);
 397
 398             // Try to save the file
 399             FILE *file = Inkscape::IO::fopen_utf8name(full_path, "w");
 400             gchar *errortext = 0;
 401             if (file) {
 402                 try{
 403                     sp_repr_save_stream(repr->document(), file, SP_SVG_NS_URI);
 404                 } catch (Inkscape::Extension::Output::no_extension_found &e) {
 405                     errortext = g_strdup(_("Autosave failed! Could not find inkscape extension to save document."));
 406                 } catch (Inkscape::Extension::Output::save_failed &e) {
 407                     gchar *safeUri = Inkscape::IO::sanitizeString(full_path);
 408                     errortext = g_strdup_printf(_("Autosave failed! File %s could not be saved."), safeUri);
 409                     g_free(safeUri);
 410                 }
 411                 fclose(file);
 412             }
 413             else {
 414                 gchar *safeUri = Inkscape::IO::sanitizeString(full_path);
 415                 errortext = g_strdup_printf(_("Autosave failed! File %s could not be saved."), safeUri);
 416                 g_free(safeUri);
 417             }
 418
 419             if (errortext) {
 420                 SP_ACTIVE_DESKTOP->messageStack()->flash(Inkscape::ERROR_MESSAGE, errortext);
 421                 g_warning("%s", errortext);
 422                 g_free(errortext);
 423             }
 424
 425             g_free(full_path);
 426         }
 427     }
 428     g_dir_close(autosave_dir_ptr);
 429
 430     SP_ACTIVE_DESKTOP->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Autosave complete."));
 431
 432     return TRUE;
 433 }
 434
 435 void inkscape_autosave_init()
 436 {
 437     static guint32 autosave_timeout_id = 0;
 438
 439     // Turn off any previously initiated timeouts
 440     if ( autosave_timeout_id ) {
 441         g_source_remove(autosave_timeout_id);
 442         autosave_timeout_id = 0;
 443     }
 444
 445     // g_debug("options.autosave.enable = %lld", prefs_get_int_attribute_limited("options.autosave", "enable", 1, 0, 1));
 446     // Is autosave enabled?
 447     if( prefs_get_int_attribute_limited("options.autosave", "enable", 1, 0, 1) != 1 ){
 448         autosave_timeout_id = 0;
 449     } else {
 450         // Turn on autosave
 451         guint32 timeout = prefs_get_int_attribute("options.autosave", "interval", 10) * 60;
 452         // g_debug("options.autosave.interval = %lld", prefs_get_int_attribute("options.autosave", "interval", 10));
 453         autosave_timeout_id = g_timeout_add_seconds(timeout, inkscape_autosave, NULL);
 454     }
 455 }
 456
 457
 458 static void
 459 inkscape_init (SPObject * object)
 460 {
 461     if (!inkscape) {
 462         inkscape = (Inkscape::Application *) object;
 463     } else {
 464         g_assert_not_reached ();
 465     }
 466
 467     new (&inkscape->document_set) std::multiset<SPDocument *>();
 468
 469     inkscape->menus = sp_repr_read_mem (_(menus_skeleton), MENUS_SKELETON_SIZE, NULL);
 470
 471     inkscape->documents = NULL;
 472     inkscape->desktops = NULL;
 473
 474     inkscape->dialogs_toggle = TRUE;
 475
 476     inkscape->mapalt=GDK_MOD1_MASK;
 477 }
 478
 479 static void
 480 inkscape_dispose (GObject *object)
 481 {
 482     Inkscape::Application *inkscape = (Inkscape::Application *) object;
 483
 484     while (inkscape->documents) {
 485         // we don't otherwise unref, so why here?
 486         sp_document_unref((SPDocument *)inkscape->documents->data);
 487     }
 488
 489     g_assert (!inkscape->desktops);
 490
 491     Inkscape::Preferences::save();
 492
 493     if (inkscape->menus) {
 494         /* fixme: This is not the best place */
 495         Inkscape::GC::release(inkscape->menus);
 496         inkscape->menus = NULL;
 497     }
 498
 499     inkscape->document_set.~multiset();
 500
 501     G_OBJECT_CLASS (parent_class)->dispose (object);
 502
 503     gtk_main_quit ();
 504 }
 505
 506
 507 void
 508 inkscape_ref (void)
 509 {
 510     if (inkscape)
 511         g_object_ref (G_OBJECT (inkscape));
 512 }
 513
 514
 515 void
 516 inkscape_unref (void)
 517 {
 518     if (inkscape)
 519         g_object_unref (G_OBJECT (inkscape));
 520 }
 521
 522 /* returns the mask of the keyboard modifier to map to Alt, zero if no mapping */
 523 /* Needs to be a guint because gdktypes.h does not define a 'no-modifier' value */
 524 guint
 525 inkscape_mapalt() {
 526     return inkscape->mapalt;
 527 }
 528
 529 /* Sets the keyboard modifer to map to Alt. Zero switches off mapping, as does '1', which is the default */
 530 void inkscape_mapalt(guint maskvalue)
 531 {
 532     if(maskvalue<2 || maskvalue> 5 ){  /* MOD5 is the highest defined in gdktypes.h */
 533         inkscape->mapalt=0;
 534     }else{
 535         inkscape->mapalt=(GDK_MOD1_MASK << (maskvalue-1));
 536     }
 537 }
 538
 539 static void
 540 inkscape_activate_desktop_private (Inkscape::Application */*inkscape*/, SPDesktop *desktop)
 541 {
 542     desktop->set_active (true);
 543 }
 544
 545
 546 static void
 547 inkscape_deactivate_desktop_private (Inkscape::Application */*inkscape*/, SPDesktop *desktop)
 548 {
 549     desktop->set_active (false);
 550 }
 551
 552
 553 /* fixme: This is EVIL, and belongs to main after all */
 554
 555 #define SP_INDENT 8
 556
 557
 558 static void
 559 inkscape_crash_handler (int /*signum*/)
 560 {
 561     using Inkscape::Debug::SimpleEvent;
 562     using Inkscape::Debug::EventTracker;
 563     using Inkscape::Debug::Logger;
 564
 565     static gint recursion = FALSE;
 566
 567     /*
 568      * reset all signal handlers: any further crashes should just be allowed
 569      * to crash normally.
 570      * */
 571     signal (SIGSEGV, segv_handler );
 572     signal (SIGABRT, abrt_handler );
 573     signal (SIGFPE,  fpe_handler  );
 574     signal (SIGILL,  ill_handler  );
 575 #ifndef WIN32
 576     signal (SIGBUS,  bus_handler  );
 577 #endif
 578
 579     /* Stop bizarre loops */
 580     if (recursion) {
 581         abort ();
 582     }
 583     recursion = TRUE;
 584
 585     EventTracker<SimpleEvent<Inkscape::Debug::Event::CORE> > tracker("crash");
 586     tracker.set<SimpleEvent<> >("emergency-save");
 587
 588     fprintf(stderr, "\nEmergency save activated!\n");
 589
 590     time_t sptime = time (NULL);
 591     struct tm *sptm = localtime (&sptime);
 592     gchar sptstr[256];
 593     strftime (sptstr, 256, "%Y_%m_%d_%H_%M_%S", sptm);
 594
 595     gint count = 0;
 596     GSList *savednames = NULL;
 597     GSList *failednames = NULL;
 598     for (GSList *l = inkscape->documents; l != NULL; l = l->next) {
 599         SPDocument *doc;
 600         Inkscape::XML::Node *repr;
 601         doc = (SPDocument *) l->data;
 602         repr = sp_document_repr_root (doc);
 603         if (doc->isModifiedSinceSave()) {
 604             const gchar *docname, *d0, *d;
 605             gchar n[64], c[1024];
 606             FILE *file;
 607
 608             /* originally, the document name was retrieved from
 609              * the sodipod:docname attribute */
 610             docname = doc->name;
 611             if (docname) {
 612                 /* fixme: Quick hack to remove emergency file suffix */
 613                 d0 = strrchr ((char*)docname, '.');
 614                 if (d0 && (d0 > docname)) {
 615                     d0 = strrchr ((char*)(d0 - 1), '.');
 616                     if (d0 && (d0 > docname)) {
 617                         d = d0;
 618                         while (isdigit (*d) || (*d == '.') || (*d == '_')) d += 1;
 619                         if (*d) {
 620                             memcpy (n, docname, MIN (d0 - docname - 1, 64));
 621                             n[63] = '\0';
 622                             docname = n;
 623                         }
 624                     }
 625                 }
 626             }
 627
 628             if (!docname || !*docname) docname = "emergency";
 629             // try saving to the profile location
 630             g_snprintf (c, 1024, "%.256s.%s.%d", docname, sptstr, count);
 631             gchar * location = homedir_path(c);
 632             Inkscape::IO::dump_fopen_call(location, "E");
 633             file = Inkscape::IO::fopen_utf8name(location, "w");
 634             g_free(location);
 635             if (!file) {
 636                 // try saving to /tmp
 637                 g_snprintf (c, 1024, "/tmp/inkscape-%.256s.%s.%d", docname, sptstr, count);
 638                 Inkscape::IO::dump_fopen_call(c, "G");
 639                 file = Inkscape::IO::fopen_utf8name(c, "w");
 640             }
 641             if (!file) {
 642                 // try saving to the current directory
 643                 g_snprintf (c, 1024, "inkscape-%.256s.%s.%d", docname, sptstr, count);
 644                 Inkscape::IO::dump_fopen_call(c, "F");
 645                 file = Inkscape::IO::fopen_utf8name(c, "w");
 646             }
 647             if (file) {
 648                 sp_repr_save_stream (repr->document(), file, SP_SVG_NS_URI);
 649                 savednames = g_slist_prepend (savednames, g_strdup (c));
 650                 fclose (file);
 651             } else {
 652                 docname = repr->attribute("sodipodi:docname");
 653                 failednames = g_slist_prepend (failednames, (docname) ? g_strdup (docname) : g_strdup (_("Untitled document")));
 654             }
 655             count++;
 656         }
 657     }
 658
 659     savednames = g_slist_reverse (savednames);
 660     failednames = g_slist_reverse (failednames);
 661     if (savednames) {
 662         fprintf (stderr, "\nEmergency save document locations:\n");
 663         for (GSList *l = savednames; l != NULL; l = l->next) {
 664             fprintf (stderr, "  %s\n", (gchar *) l->data);
 665         }
 666     }
 667     if (failednames) {
 668         fprintf (stderr, "\nFailed to do emergency save for documents:\n");
 669         for (GSList *l = failednames; l != NULL; l = l->next) {
 670             fprintf (stderr, "  %s\n", (gchar *) l->data);
 671         }
 672     }
 673
 674     Inkscape::Preferences::save();
 675
 676     fprintf (stderr, "Emergency save completed. Inkscape will close now.\n");
 677     fprintf (stderr, "If you can reproduce this crash, please file a bug at www.inkscape.org\n");
 678     fprintf (stderr, "with a detailed description of the steps leading to the crash, so we can fix it.\n");
 679
 680     /* Show nice dialog box */
 681
 682     char const *istr = _("Inkscape encountered an internal error and will close now.\n");
 683     char const *sstr = _("Automatic backups of unsaved documents were done to the following locations:\n");
 684     char const *fstr = _("Automatic backup of the following documents failed:\n");
 685     gint nllen = strlen ("\n");
 686     gint len = strlen (istr) + strlen (sstr) + strlen (fstr);
 687     for (GSList *l = savednames; l != NULL; l = l->next) {
 688         len = len + SP_INDENT + strlen ((gchar *) l->data) + nllen;
 689     }
 690     for (GSList *l = failednames; l != NULL; l = l->next) {
 691         len = len + SP_INDENT + strlen ((gchar *) l->data) + nllen;
 692     }
 693     len += 1;
 694     gchar *b = g_new (gchar, len);
 695     gint pos = 0;
 696     len = strlen (istr);
 697     memcpy (b + pos, istr, len);
 698     pos += len;
 699     if (savednames) {
 700         len = strlen (sstr);
 701         memcpy (b + pos, sstr, len);
 702         pos += len;
 703         for (GSList *l = savednames; l != NULL; l = l->next) {
 704             memset (b + pos, ' ', SP_INDENT);
 705             pos += SP_INDENT;
 706             len = strlen ((gchar *) l->data);
 707             memcpy (b + pos, l->data, len);
 708             pos += len;
 709             memcpy (b + pos, "\n", nllen);
 710             pos += nllen;
 711         }
 712     }
 713     if (failednames) {
 714         len = strlen (fstr);
 715         memcpy (b + pos, fstr, len);
 716         pos += len;
 717         for (GSList *l = failednames; l != NULL; l = l->next) {
 718             memset (b + pos, ' ', SP_INDENT);
 719             pos += SP_INDENT;
 720             len = strlen ((gchar *) l->data);
 721             memcpy (b + pos, l->data, len);
 722             pos += len;
 723             memcpy (b + pos, "\n", nllen);
 724             pos += nllen;
 725         }
 726     }
 727     *(b + pos) = '\0';
 728
 729     if ( inkscape_get_instance() && inkscape_app_use_gui( inkscape_get_instance() ) ) {
 730         GtkWidget *msgbox = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", b);
 731         gtk_dialog_run (GTK_DIALOG (msgbox));
 732         gtk_widget_destroy (msgbox);
 733     }
 734     else
 735     {
 736         g_message( "Error: %s", b );
 737     }
 738     g_free (b);
 739
 740     tracker.clear();
 741     Logger::shutdown();
 742
 743     /* on exit, allow restored signal handler to take over and crash us */
 744 }
 745
 746
 747
 748 void
 749 inkscape_application_init (const gchar *argv0, gboolean use_gui)
 750 {
 751     inkscape = (Inkscape::Application *)g_object_new (SP_TYPE_INKSCAPE, NULL);
 752     /* fixme: load application defaults */
 753
 754     segv_handler = signal (SIGSEGV, inkscape_crash_handler);
 755     abrt_handler = signal (SIGABRT, inkscape_crash_handler);
 756     fpe_handler  = signal (SIGFPE,  inkscape_crash_handler);
 757     ill_handler  = signal (SIGILL,  inkscape_crash_handler);
 758 #ifndef WIN32
 759     bus_handler  = signal (SIGBUS,  inkscape_crash_handler);
 760 #endif
 761
 762     inkscape->use_gui = use_gui;
 763     inkscape->argv0 = g_strdup(argv0);
 764
 765     /* Attempt to load the preferences, and set the save_preferences flag to TRUE
 766        if we could, or FALSE if we couldn't */
 767     Inkscape::Preferences::load();
 768     inkscape_load_menus(inkscape);
 769
 770     /* DebugDialog redirection.  On Linux, default to OFF, on Win32, default to ON.
 771          * Use only if use_gui is enabled
 772          */
 773 #ifdef WIN32
 774 #define DEFAULT_LOG_REDIRECT true
 775 #else
 776 #define DEFAULT_LOG_REDIRECT false
 777 #endif
 778
 779     if (use_gui == TRUE && prefs_get_int_attribute("dialogs.debug", "redirect", DEFAULT_LOG_REDIRECT))
 780     {
 781                 Inkscape::UI::Dialogs::DebugDialog::getInstance()->captureLogMessages();
 782     }
 783
 784     /* Check for global remapping of Alt key */
 785     if(use_gui)
 786     {
 787         inkscape_mapalt(guint(prefs_get_int_attribute("options.mapalt","value",0)));
 788     }
 789
 790     /* Initialize the extensions */
 791     Inkscape::Extension::init();
 792
 793     inkscape_autosave_init();
 794
 795     return;
 796 }
 797
 798 /**
 799  *  Returns the current Inkscape::Application global object
 800  */
 801 Inkscape::Application *
 802 inkscape_get_instance()
 803 {
 804         return inkscape;
 805 }
 806
 807 gboolean inkscape_app_use_gui( Inkscape::Application const * app )
 808 {
 809     return app->use_gui;
 810 }
 811
 812 /**
 813  * Preference management
 814  * We use '.' as separator
 815  *
 816  * Returns TRUE if the config file was successfully loaded, FALSE if not.
 817  */
 818 bool
 819 inkscape_load_config (const gchar *filename, Inkscape::XML::Document *config, const gchar *skeleton,
 820                       unsigned int skel_size, const gchar *e_notreg, const gchar *e_notxml,
 821                       const gchar *e_notsp, const gchar *warn)
 822 {
 823     gchar *fn = profile_path(filename);
 824     if (!Inkscape::IO::file_test(fn, G_FILE_TEST_EXISTS)) {
 825         bool result;
 826         /* No such file */
 827         result = inkscape_init_config (config, filename, skeleton,
 828                                        skel_size,
 829                                        _("Cannot create directory %s.\n%s"),
 830                                        _("%s is not a valid directory.\n%s"),
 831                                        _("Cannot create file %s.\n%s"),
 832                                        _("Cannot write file %s.\n%s"),
 833                                        _("Although Inkscape will run, it will use default settings,\n"
 834                                          "and any changes made in preferences will not be saved."));
 835         g_free (fn);
 836         return result;
 837     }
 838
 839     if (!Inkscape::IO::file_test(fn, G_FILE_TEST_IS_REGULAR)) {
 840         /* Not a regular file */
 841         gchar *safeFn = Inkscape::IO::sanitizeString(fn);
 842         GtkWidget *w = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, e_notreg, safeFn, warn);
 843         gtk_dialog_run (GTK_DIALOG (w));
 844         gtk_widget_destroy (w);
 845         g_free(safeFn);
 846         g_free (fn);
 847         return false;
 848     }
 849
 850     Inkscape::XML::Document *doc = sp_repr_read_file (fn, NULL);
 851     if (doc == NULL) {
 852         /* Not an valid xml file */
 853         gchar *safeFn = Inkscape::IO::sanitizeString(fn);
 854         GtkWidget *w = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, e_notxml, safeFn, warn);
 855         gtk_dialog_run (GTK_DIALOG (w));
 856         gtk_widget_destroy (w);
 857         g_free(safeFn);
 858         g_free (fn);
 859         return false;
 860     }
 861
 862     Inkscape::XML::Node *root = doc->root();
 863     if (strcmp (root->name(), "inkscape")) {
 864         gchar *safeFn = Inkscape::IO::sanitizeString(fn);
 865         GtkWidget *w = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, e_notsp, safeFn, warn);
 866         gtk_dialog_run (GTK_DIALOG (w));
 867         gtk_widget_destroy (w);
 868         Inkscape::GC::release(doc);
 869         g_free(safeFn);
 870         g_free (fn);
 871         return false;
 872     }
 873
 874     /** \todo this is a hack, need to figure out how to get
 875      *        a reasonable merge working with the menus.xml file */
 876     if (skel_size == MENUS_SKELETON_SIZE) {
 877         if (INKSCAPE)
 878             INKSCAPE->menus = doc;
 879         doc = config;
 880     } else {
 881         config->root()->mergeFrom(doc->root(), "id");
 882     }
 883
 884     Inkscape::GC::release(doc);
 885     g_free (fn);
 886     return true;
 887 }
 888
 889 /**
 890  *  Menus management
 891  *
 892  */
 893 bool
 894 inkscape_load_menus (Inkscape::Application *inkscape)
 895 {
 896     gchar *fn = profile_path(MENUS_FILE);
 897     bool retval = false;
 898     if (Inkscape::IO::file_test(fn, G_FILE_TEST_EXISTS)) {
 899         retval = inkscape_load_config (MENUS_FILE,
 900                                  inkscape->menus,
 901                                  menus_skeleton,
 902                                  MENUS_SKELETON_SIZE,
 903                                  _("%s is not a regular file.\n%s"),
 904                                  _("%s not a valid XML file, or\n"
 905                                    "you don't have read permissions on it.\n%s"),
 906                                  _("%s is not a valid menus file.\n%s"),
 907                                  _("Inkscape will run with default menus.\n"
 908                                    "New menus will not be saved."));
 909     } else {
 910         INKSCAPE->menus = sp_repr_read_mem(menus_skeleton, MENUS_SKELETON_SIZE, NULL);
 911         if (INKSCAPE->menus != NULL)
 912             retval = true;
 913     }
 914     g_free(fn);
 915     return retval;
 916 }
 917
 918 /**
 919  * We use '.' as separator
 920  * \param inkscape Unused
 921  */
 922 Inkscape::XML::Node *
 923 inkscape_get_repr (Inkscape::Application *inkscape, const gchar *key)
 924 {
 925     if ( (key == NULL) || (inkscape == NULL) ) {
 926         return NULL;
 927     }
 928
 929     Inkscape::XML::Node *prefs = Inkscape::Preferences::get();
 930     if ( !prefs ) {
 931         return NULL;
 932     }
 933
 934     Inkscape::XML::Node *repr = prefs->root();
 935     if (!repr) return NULL;
 936     g_assert (!(strcmp (repr->name(), "inkscape")));
 937
 938     gchar const *s = key;
 939     while ((s) && (*s)) {
 940
 941         /* Find next name */
 942         gchar const *e = strchr (s, '.');
 943         guint len;
 944         if (e) {
 945             len = e++ - s;
 946         } else {
 947             len = strlen (s);
 948         }
 949
 950         Inkscape::XML::Node* child;
 951         for (child = repr->firstChild(); child != NULL; child = child->next()) {
 952             gchar const *id = child->attribute("id");
 953             if ((id) && (strlen (id) == len) && (!strncmp (id, s, len)))
 954             {
 955                 break;
 956             }
 957         }
 958         if (child == NULL) {
 959             return NULL;
 960         }
 961
 962         repr = child;
 963         s = e;
 964     }
 965     return repr;
 966 }
 967
 968
 969
 970 void
 971 inkscape_selection_modified (Inkscape::Selection *selection, guint flags)
 972 {
 973     if (Inkscape::NSApplication::Application::getNewGui()) {
 974         Inkscape::NSApplication::Editor::selectionModified (selection, flags);
 975         return;
 976     }
 977     g_return_if_fail (selection != NULL);
 978
 979     if (DESKTOP_IS_ACTIVE (selection->desktop())) {
 980         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[MODIFY_SELECTION], 0, selection, flags);
 981     }
 982 }
 983
 984
 985 void
 986 inkscape_selection_changed (Inkscape::Selection * selection)
 987 {
 988     if (Inkscape::NSApplication::Application::getNewGui()) {
 989         Inkscape::NSApplication::Editor::selectionChanged (selection);
 990         return;
 991     }
 992     g_return_if_fail (selection != NULL);
 993
 994     if (DESKTOP_IS_ACTIVE (selection->desktop())) {
 995         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, selection);
 996     }
 997 }
 998
 999 void
1000 inkscape_subselection_changed (SPDesktop *desktop)
1001 {
1002     if (Inkscape::NSApplication::Application::getNewGui()) {
1003         Inkscape::NSApplication::Editor::subSelectionChanged (desktop);
1004         return;
1005     }
1006     g_return_if_fail (desktop != NULL);
1007
1008     if (DESKTOP_IS_ACTIVE (desktop)) {
1009         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SUBSELECTION], 0, desktop);
1010     }
1011 }
1012
1013
1014 void
1015 inkscape_selection_set (Inkscape::Selection * selection)
1016 {
1017     if (Inkscape::NSApplication::Application::getNewGui()) {
1018         Inkscape::NSApplication::Editor::selectionSet (selection);
1019         return;
1020     }
1021     g_return_if_fail (selection != NULL);
1022
1023     if (DESKTOP_IS_ACTIVE (selection->desktop())) {
1024         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, selection);
1025         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, selection);
1026     }
1027 }
1028
1029
1030 void
1031 inkscape_eventcontext_set (SPEventContext * eventcontext)
1032 {
1033     if (Inkscape::NSApplication::Application::getNewGui()) {
1034         Inkscape::NSApplication::Editor::eventContextSet (eventcontext);
1035         return;
1036     }
1037     g_return_if_fail (eventcontext != NULL);
1038     g_return_if_fail (SP_IS_EVENT_CONTEXT (eventcontext));
1039
1040     if (DESKTOP_IS_ACTIVE (eventcontext->desktop)) {
1041         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, eventcontext);
1042     }
1043 }
1044
1045
1046 void
1047 inkscape_add_desktop (SPDesktop * desktop)
1048 {
1049     g_return_if_fail (desktop != NULL);
1050
1051     if (Inkscape::NSApplication::Application::getNewGui())
1052     {
1053         Inkscape::NSApplication::Editor::addDesktop (desktop);
1054         return;
1055     }
1056     g_return_if_fail (inkscape != NULL);
1057
1058     g_assert (!g_slist_find (inkscape->desktops, desktop));
1059
1060     inkscape->desktops = g_slist_prepend (inkscape->desktops, desktop);
1061
1062     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, desktop);
1063     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, sp_desktop_event_context (desktop));
1064     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, sp_desktop_selection (desktop));
1065     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, sp_desktop_selection (desktop));
1066 }
1067
1068
1069
1070 void
1071 inkscape_remove_desktop (SPDesktop * desktop)
1072 {
1073     g_return_if_fail (desktop != NULL);
1074     if (Inkscape::NSApplication::Application::getNewGui())
1075     {
1076         Inkscape::NSApplication::Editor::removeDesktop (desktop);
1077         return;
1078     }
1079     g_return_if_fail (inkscape != NULL);
1080
1081     g_assert (g_slist_find (inkscape->desktops, desktop));
1082
1083     if (DESKTOP_IS_ACTIVE (desktop)) {
1084         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DEACTIVATE_DESKTOP], 0, desktop);
1085         if (inkscape->desktops->next != NULL) {
1086             SPDesktop * new_desktop = (SPDesktop *) inkscape->desktops->next->data;
1087             inkscape->desktops = g_slist_remove (inkscape->desktops, new_desktop);
1088             inkscape->desktops = g_slist_prepend (inkscape->desktops, new_desktop);
1089             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, new_desktop);
1090             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, sp_desktop_event_context (new_desktop));
1091             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, sp_desktop_selection (new_desktop));
1092             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, sp_desktop_selection (new_desktop));
1093         } else {
1094             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, NULL);
1095             if (sp_desktop_selection(desktop))
1096                 sp_desktop_selection(desktop)->clear();
1097         }
1098     }
1099
1100     inkscape->desktops = g_slist_remove (inkscape->desktops, desktop);
1101
1102     // if this was the last desktop, shut down the program
1103     if (inkscape->desktops == NULL) {
1104         inkscape_exit (inkscape);
1105     }
1106 }
1107
1108
1109
1110 void
1111 inkscape_activate_desktop (SPDesktop * desktop)
1112 {
1113     g_return_if_fail (desktop != NULL);
1114     if (Inkscape::NSApplication::Application::getNewGui())
1115     {
1116         Inkscape::NSApplication::Editor::activateDesktop (desktop);
1117         return;
1118     }
1119     g_return_if_fail (inkscape != NULL);
1120
1121     if (DESKTOP_IS_ACTIVE (desktop)) {
1122         return;
1123     }
1124
1125     g_assert (g_slist_find (inkscape->desktops, desktop));
1126
1127     SPDesktop *current = (SPDesktop *) inkscape->desktops->data;
1128
1129     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DEACTIVATE_DESKTOP], 0, current);
1130
1131     inkscape->desktops = g_slist_remove (inkscape->desktops, desktop);
1132     inkscape->desktops = g_slist_prepend (inkscape->desktops, desktop);
1133
1134     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, desktop);
1135     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, sp_desktop_event_context (desktop));
1136     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, sp_desktop_selection (desktop));
1137     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, sp_desktop_selection (desktop));
1138 }
1139
1140
1141 /**
1142  *  Resends ACTIVATE_DESKTOP for current desktop; needed when a new desktop has got its window that dialogs will transientize to
1143  */
1144 void
1145 inkscape_reactivate_desktop (SPDesktop * desktop)
1146 {
1147     g_return_if_fail (desktop != NULL);
1148     if (Inkscape::NSApplication::Application::getNewGui())
1149     {
1150         Inkscape::NSApplication::Editor::reactivateDesktop (desktop);
1151         return;
1152     }
1153     g_return_if_fail (inkscape != NULL);
1154
1155     if (DESKTOP_IS_ACTIVE (desktop))
1156         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, desktop);
1157 }
1158
1159
1160
1161 SPDesktop *
1162 inkscape_find_desktop_by_dkey (unsigned int dkey)
1163 {
1164     for (GSList *r = inkscape->desktops; r; r = r->next) {
1165         if (((SPDesktop *) r->data)->dkey == dkey)
1166             return ((SPDesktop *) r->data);
1167     }
1168     return NULL;
1169 }
1170
1171
1172
1173
1174 unsigned int
1175 inkscape_maximum_dkey()
1176 {
1177     unsigned int dkey = 0;
1178
1179     for (GSList *r = inkscape->desktops; r; r = r->next) {
1180         if (((SPDesktop *) r->data)->dkey > dkey)
1181             dkey = ((SPDesktop *) r->data)->dkey;
1182     }
1183
1184     return dkey;
1185 }
1186
1187
1188
1189 SPDesktop *
1190 inkscape_next_desktop ()
1191 {
1192     SPDesktop *d = NULL;
1193     unsigned int dkey_current = ((SPDesktop *) inkscape->desktops->data)->dkey;
1194
1195     if (dkey_current < inkscape_maximum_dkey()) {
1196         // find next existing
1197         for (unsigned int i = dkey_current + 1; i <= inkscape_maximum_dkey(); i++) {
1198             d = inkscape_find_desktop_by_dkey (i);
1199             if (d) {
1200                 break;
1201             }
1202         }
1203     } else {
1204         // find first existing
1205         for (unsigned int i = 0; i <= inkscape_maximum_dkey(); i++) {
1206             d = inkscape_find_desktop_by_dkey (i);
1207             if (d) {
1208                 break;
1209             }
1210         }
1211     }
1212
1213     g_assert (d);
1214
1215     return d;
1216 }
1217
1218
1219
1220 SPDesktop *
1221 inkscape_prev_desktop ()
1222 {
1223     SPDesktop *d = NULL;
1224     unsigned int dkey_current = ((SPDesktop *) inkscape->desktops->data)->dkey;
1225
1226     if (dkey_current > 0) {
1227         // find prev existing
1228         for (signed int i = dkey_current - 1; i >= 0; i--) {
1229             d = inkscape_find_desktop_by_dkey (i);
1230             if (d) {
1231                 break;
1232             }
1233         }
1234     }
1235     if (!d) {
1236         // find last existing
1237         d = inkscape_find_desktop_by_dkey (inkscape_maximum_dkey());
1238     }
1239
1240     g_assert (d);
1241
1242     return d;
1243 }
1244
1245
1246
1247 void
1248 inkscape_switch_desktops_next ()
1249 {
1250     inkscape_next_desktop()->presentWindow();
1251 }
1252
1253
1254
1255 void
1256 inkscape_switch_desktops_prev ()
1257 {
1258     inkscape_prev_desktop()->presentWindow();
1259 }
1260
1261
1262
1263 void
1264 inkscape_dialogs_hide ()
1265 {
1266     if (Inkscape::NSApplication::Application::getNewGui())
1267         Inkscape::NSApplication::Editor::hideDialogs();
1268     else
1269     {
1270         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DIALOGS_HIDE], 0);
1271         inkscape->dialogs_toggle = FALSE;
1272     }
1273 }
1274
1275
1276
1277 void
1278 inkscape_dialogs_unhide ()
1279 {
1280     if (Inkscape::NSApplication::Application::getNewGui())
1281         Inkscape::NSApplication::Editor::unhideDialogs();
1282     else
1283     {
1284         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DIALOGS_UNHIDE], 0);
1285         inkscape->dialogs_toggle = TRUE;
1286     }
1287 }
1288
1289
1290
1291 void
1292 inkscape_dialogs_toggle ()
1293 {
1294     if (inkscape->dialogs_toggle) {
1295         inkscape_dialogs_hide ();
1296     } else {
1297         inkscape_dialogs_unhide ();
1298     }
1299 }
1300
1301 void
1302 inkscape_external_change ()
1303 {
1304     g_return_if_fail (inkscape != NULL);
1305
1306     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[EXTERNAL_CHANGE], 0);
1307 }
1308
1309 /**
1310  * fixme: These need probably signals too
1311  */
1312 void
1313 inkscape_add_document (SPDocument *document)
1314 {
1315     g_return_if_fail (document != NULL);
1316
1317     if (!Inkscape::NSApplication::Application::getNewGui())
1318     {
1319         if ( inkscape->document_set.find(document) == inkscape->document_set.end() ) {
1320
1321             inkscape->documents = g_slist_append (inkscape->documents, document);
1322         }
1323         inkscape->document_set.insert(document);
1324     }
1325     else
1326     {
1327         Inkscape::NSApplication::Editor::addDocument (document);
1328     }
1329 }
1330
1331
1332
1333 void
1334 inkscape_remove_document (SPDocument *document)
1335 {
1336     g_return_if_fail (document != NULL);
1337
1338     if (!Inkscape::NSApplication::Application::getNewGui())
1339     {
1340         inkscape->document_set.erase(document);
1341         if ( inkscape->document_set.find(document) != inkscape->document_set.end() ) {
1342             inkscape->documents = g_slist_remove (inkscape->documents, document);
1343         }
1344     }
1345     else
1346     {
1347         Inkscape::NSApplication::Editor::removeDocument (document);
1348     }
1349
1350     return;
1351 }
1352
1353 SPDesktop *
1354 inkscape_active_desktop (void)
1355 {
1356     if (Inkscape::NSApplication::Application::getNewGui())
1357         return Inkscape::NSApplication::Editor::getActiveDesktop();
1358
1359     if (inkscape->desktops == NULL) {
1360         return NULL;
1361     }
1362
1363     return (SPDesktop *) inkscape->desktops->data;
1364 }
1365
1366 SPDocument *
1367 inkscape_active_document (void)
1368 {
1369     if (Inkscape::NSApplication::Application::getNewGui())
1370         return Inkscape::NSApplication::Editor::getActiveDocument();
1371
1372     if (SP_ACTIVE_DESKTOP) {
1373         return sp_desktop_document (SP_ACTIVE_DESKTOP);
1374     }
1375
1376     return NULL;
1377 }
1378
1379 bool inkscape_is_sole_desktop_for_document(SPDesktop const &desktop) {
1380     SPDocument const* document = desktop.doc();
1381     if (!document) {
1382         return false;
1383     }
1384     for ( GSList *iter = inkscape->desktops ; iter ; iter = iter->next ) {
1385         SPDesktop *other_desktop=(SPDesktop *)iter->data;
1386         SPDocument *other_document=other_desktop->doc();
1387         if ( other_document == document && other_desktop != &desktop ) {
1388             return false;
1389         }
1390     }
1391     return true;
1392 }
1393
1394 SPEventContext *
1395 inkscape_active_event_context (void)
1396 {
1397     if (SP_ACTIVE_DESKTOP) {
1398         return sp_desktop_event_context (SP_ACTIVE_DESKTOP);
1399     }
1400
1401     return NULL;
1402 }
1403
1404
1405
1406 /*#####################
1407 # HELPERS
1408 #####################*/
1409
1410 static bool
1411 inkscape_init_config (Inkscape::XML::Document */*doc*/, const gchar *config_name, const gchar *skeleton,
1412                       unsigned int skel_size,
1413                       const gchar *e_mkdir,
1414                       const gchar *e_notdir,
1415                       const gchar *e_ccf,
1416                       const gchar *e_cwf,
1417                       const gchar *warn)
1418 {
1419     gchar *dn = profile_path(NULL);
1420     bool use_gui = (Inkscape::NSApplication::Application::getNewGui())? Inkscape::NSApplication::Application::getUseGui() : inkscape->use_gui;
1421     if (!Inkscape::IO::file_test(dn, G_FILE_TEST_EXISTS)) {
1422         if (Inkscape::IO::mkdir_utf8name(dn))
1423         {
1424             if (use_gui) {
1425                 // Cannot create directory
1426                 gchar *safeDn = Inkscape::IO::sanitizeString(dn);
1427                 GtkWidget *w = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, e_mkdir, safeDn, warn);
1428                 gtk_dialog_run (GTK_DIALOG (w));
1429                 gtk_widget_destroy (w);
1430                 g_free(safeDn);
1431                 g_free (dn);
1432                 return false;
1433             } else {
1434                 g_warning(e_mkdir, dn, warn);
1435                 g_free (dn);
1436                 return false;
1437             }
1438         }
1439
1440         // Also create (empty for now) subdirectories for the user's stuff
1441         {
1442             gchar *temp_dn = profile_path("templates");
1443             Inkscape::IO::mkdir_utf8name(temp_dn);
1444         }
1445         {
1446             gchar *temp_dn = profile_path("keys");
1447             Inkscape::IO::mkdir_utf8name(temp_dn);
1448         }
1449         {
1450             gchar *temp_dn = profile_path("icons");
1451             Inkscape::IO::mkdir_utf8name(temp_dn);
1452         }
1453         {
1454             gchar *temp_dn = profile_path("extensions");
1455             Inkscape::IO::mkdir_utf8name(temp_dn);
1456         }
1457         {
1458             gchar *temp_dn = profile_path("palettes");
1459             Inkscape::IO::mkdir_utf8name(temp_dn);
1460         }
1461
1462     } else if (!Inkscape::IO::file_test(dn, G_FILE_TEST_IS_DIR)) {
1463         if (use_gui) {
1464             // Not a directory
1465             gchar *safeDn = Inkscape::IO::sanitizeString(dn);
1466             GtkWidget *w = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, e_notdir, safeDn, warn);
1467             gtk_dialog_run (GTK_DIALOG (w));
1468             gtk_widget_destroy (w);
1469             g_free( safeDn );
1470             g_free (dn);
1471             return false;
1472         } else {
1473             g_warning(e_notdir, dn, warn);
1474             g_free(dn);
1475             return false;
1476         }
1477     }
1478     g_free (dn);
1479
1480     gchar *fn = profile_path(config_name);
1481
1482     Inkscape::IO::dump_fopen_call(fn, "H");
1483     FILE *fh = Inkscape::IO::fopen_utf8name(fn, "w");
1484     if (!fh) {
1485         if (use_gui) {
1486             /* Cannot create file */
1487             gchar *safeFn = Inkscape::IO::sanitizeString(fn);
1488             GtkWidget *w = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, e_ccf, safeFn, warn);
1489             gtk_dialog_run (GTK_DIALOG (w));
1490             gtk_widget_destroy (w);
1491             g_free(safeFn);
1492             g_free (fn);
1493             return false;
1494         } else {
1495             g_warning(e_ccf, fn, warn);
1496             g_free(fn);
1497             return false;
1498         }
1499     }
1500     if ( fwrite(skeleton, 1, skel_size, fh) != skel_size ) {
1501         if (use_gui) {
1502             /* Cannot create file */
1503             gchar *safeFn = Inkscape::IO::sanitizeString(fn);
1504             GtkWidget *w = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, e_cwf, safeFn, warn);
1505             gtk_dialog_run (GTK_DIALOG (w));
1506             gtk_widget_destroy (w);
1507             g_free(safeFn);
1508             g_free (fn);
1509             fclose(fh);
1510             return false;
1511         } else {
1512             g_warning(e_cwf, fn, warn);
1513             g_free(fn);
1514             fclose(fh);
1515             return false;
1516         }
1517     }
1518
1519     g_free(fn);
1520     fclose(fh);
1521     return true;
1522 }
1523
1524 void
1525 inkscape_refresh_display (Inkscape::Application *inkscape)
1526 {
1527     for (GSList *l = inkscape->desktops; l != NULL; l = l->next) {
1528         (static_cast<Inkscape::UI::View::View*>(l->data))->requestRedraw();
1529     }
1530 }
1531
1532
1533 /**
1534  *  Handler for Inkscape's Exit verb.  This emits the shutdown signal,
1535  *  saves the preferences if appropriate, and quits.
1536  */
1537 void
1538 inkscape_exit (Inkscape::Application */*inkscape*/)
1539 {
1540     g_assert (INKSCAPE);
1541
1542     //emit shutdown signal so that dialogs could remember layout
1543     g_signal_emit (G_OBJECT (INKSCAPE), inkscape_signals[SHUTDOWN_SIGNAL], 0);
1544
1545     Inkscape::Preferences::save();
1546     gtk_main_quit ();
1547 }
1548
1549 gchar *
1550 homedir_path(const char *filename)
1551 {
1552     static const gchar *homedir = NULL;
1553     if (!homedir) {
1554         homedir = g_get_home_dir();
1555         gchar* utf8Path = g_filename_to_utf8( homedir, -1, NULL, NULL, NULL );
1556         if ( utf8Path )
1557         {
1558                 homedir = utf8Path;
1559                 if (!g_utf8_validate(homedir, -1, NULL)) {
1560                     g_warning( "g_get_home_dir() post A IS NOT UTF-8" );
1561                 }
1562         }
1563     }
1564     if (!homedir) {
1565         gchar * path = g_path_get_dirname(INKSCAPE->argv0);
1566         gchar* utf8Path = g_filename_to_utf8( path, -1, NULL, NULL, NULL );
1567         g_free(path);
1568         if ( utf8Path )
1569         {
1570             homedir = utf8Path;
1571             if (!g_utf8_validate(homedir, -1, NULL)) {
1572                 g_warning( "g_get_home_dir() post B IS NOT UTF-8" );
1573             }
1574         }
1575     }
1576     return g_build_filename(homedir, filename, NULL);
1577 }
1578
1579
1580 /**
1581  * Get, or guess, or decide the location where the preferences.xml
1582  * file should be located.
1583  */
1584 gchar *
1585 profile_path(const char *filename)
1586 {
1587     static const gchar *prefdir = NULL;
1588     if (!prefdir) {
1589 #ifdef HAS_SHGetSpecialFolderLocation
1590         // prefer c:\Documents and Settings\UserName\Application Data\ to
1591         // c:\Documents and Settings\userName\;
1592         if (!prefdir) {
1593             ITEMIDLIST *pidl = 0;
1594             if ( SHGetSpecialFolderLocation( NULL, CSIDL_APPDATA, &pidl ) == NOERROR ) {
1595                 gchar * utf8Path = NULL;
1596
1597                 if ( PrintWin32::is_os_wide() ) {
1598                     wchar_t pathBuf[MAX_PATH+1];
1599                     g_assert(sizeof(wchar_t) == sizeof(gunichar2));
1600
1601                     if ( SHGetPathFromIDListW( pidl, pathBuf ) ) {
1602                         utf8Path = g_utf16_to_utf8( (gunichar2*)(&pathBuf[0]), -1, NULL, NULL, NULL );
1603                     }
1604                 } else {
1605                     char pathBuf[MAX_PATH+1];
1606
1607                     if ( SHGetPathFromIDListA( pidl, pathBuf ) ) {
1608                         utf8Path = g_filename_to_utf8( pathBuf, -1, NULL, NULL, NULL );
1609                     }
1610                 }
1611
1612                 if ( utf8Path ) {
1613                     if (!g_utf8_validate(utf8Path, -1, NULL)) {
1614                         g_warning( "SHGetPathFromIDList%c() resulted in invalid UTF-8", (PrintWin32::is_os_wide() ? 'W' : 'A') );
1615                         g_free( utf8Path );
1616                         utf8Path = 0;
1617                     } else {
1618                         prefdir = utf8Path;
1619                     }
1620                 }
1621
1622
1623                 /* not compiling yet...
1624
1625                 // Remember to free the list pointer
1626                 IMalloc * imalloc = 0;
1627                 if ( SHGetMalloc(&imalloc) == NOERROR) {
1628                     imalloc->lpVtbl->Free( imalloc, pidl );
1629                     imalloc->lpVtbl->Release( imalloc );
1630                 }
1631                 */
1632             }
1633         }
1634 #endif
1635         if (!prefdir) {
1636             prefdir = homedir_path(NULL);
1637         }
1638     }
1639     return g_build_filename(prefdir, INKSCAPE_PROFILE_DIR, filename, NULL);
1640 }
1641
1642 Inkscape::XML::Node *
1643 inkscape_get_menus (Inkscape::Application * inkscape)
1644 {
1645     Inkscape::XML::Node *repr = inkscape->menus->root();
1646     g_assert (!(strcmp (repr->name(), "inkscape")));
1647     return repr->firstChild();
1648 }
1649
1650 void
1651 inkscape_get_all_desktops(std::list< SPDesktop* >& listbuf)
1652 {
1653     for(GSList* l = inkscape->desktops; l != NULL; l = l->next) {
1654         listbuf.push_back(static_cast< SPDesktop* >(l->data));
1655     }
1656 }
1657
1658
1659
1660 /*
1661   Local Variables:
1662   mode:c++
1663   c-file-style:"stroustrup"
1664   c-file-offsets:((innamespace . 0)(inline-open . 0))
1665   indent-tabs-mode:nil
1666   fill-column:99
1667   End:
1668 */
1669 // vim: expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :