src/box3d-context.cpp

   1 #define __SP_3DBOX_CONTEXT_C__
   2
   3 /*
   4  * 3D box drawing context
   5  *
   6  * Author:
   7  *   Lauris Kaplinski <lauris@kaplinski.com>
   8  *   bulia byak <buliabyak@users.sf.net>
   9  *
  10  * Copyright (C) 2007      Maximilian Albert <Anhalter42@gmx.de>
  11  * Copyright (C) 2006      Johan Engelen <johan@shouraizou.nl>
  12  * Copyright (C) 2000-2005 authors
  13  * Copyright (C) 2000-2001 Ximian, Inc.
  14  *
  15  * Released under GNU GPL, read the file 'COPYING' for more information
  16  */
  17
  18 #include "config.h"
  19
  20 #include <gdk/gdkkeysyms.h>
  21
  22 #include "macros.h"
  23 #include "display/sp-canvas.h"
  24 #include "document.h"
  25 #include "sp-namedview.h"
  26 #include "selection.h"
  27 #include "desktop-handles.h"
  28 #include "snap.h"
  29 #include "display/curve.h"
  30 #include "desktop.h"
  31 #include "message-context.h"
  32 #include "pixmaps/cursor-rect.xpm"
  33 #include "box3d.h"
  34 #include "box3d-context.h"
  35 #include "sp-metrics.h"
  36 #include <glibmm/i18n.h>
  37 #include "object-edit.h"
  38 #include "xml/repr.h"
  39 #include "xml/node-event-vector.h"
  40 #include "prefs-utils.h"
  41 #include "context-fns.h"
  42
  43 static void sp_3dbox_context_class_init(SP3DBoxContextClass *klass);
  44 static void sp_3dbox_context_init(SP3DBoxContext *box3d_context);
  45 static void sp_3dbox_context_dispose(GObject *object);
  46
  47 static void sp_3dbox_context_setup(SPEventContext *ec);
  48 static void sp_3dbox_context_set(SPEventContext *ec, gchar const *key, gchar const *val);
  49
  50 static gint sp_3dbox_context_root_handler(SPEventContext *event_context, GdkEvent *event);
  51 static gint sp_3dbox_context_item_handler(SPEventContext *event_context, SPItem *item, GdkEvent *event);
  52
  53 static void sp_3dbox_drag(SP3DBoxContext &rc, guint state);
  54 static void sp_3dbox_finish(SP3DBoxContext *rc);
  55
  56 static SPEventContextClass *parent_class;
  57
  58
  59 GtkType sp_3dbox_context_get_type()
  60 {
  61     static GType type = 0;
  62     if (!type) {
  63         GTypeInfo info = {
  64             sizeof(SP3DBoxContextClass),
  65             NULL, NULL,
  66             (GClassInitFunc) sp_3dbox_context_class_init,
  67             NULL, NULL,
  68             sizeof(SP3DBoxContext),
  69             4,
  70             (GInstanceInitFunc) sp_3dbox_context_init,
  71             NULL,    /* value_table */
  72         };
  73         type = g_type_register_static(SP_TYPE_EVENT_CONTEXT, "SP3DBoxContext", &info, (GTypeFlags) 0);
  74     }
  75     return type;
  76 }
  77
  78 static void sp_3dbox_context_class_init(SP3DBoxContextClass *klass)
  79 {
  80     GObjectClass *object_class = (GObjectClass *) klass;
  81     SPEventContextClass *event_context_class = (SPEventContextClass *) klass;
  82
  83     parent_class = (SPEventContextClass *) g_type_class_peek_parent(klass);
  84
  85     object_class->dispose = sp_3dbox_context_dispose;
  86
  87     event_context_class->setup = sp_3dbox_context_setup;
  88     event_context_class->set = sp_3dbox_context_set;
  89     event_context_class->root_handler  = sp_3dbox_context_root_handler;
  90     event_context_class->item_handler  = sp_3dbox_context_item_handler;
  91 }
  92
  93 Box3D::Perspective3D * SP3DBoxContext::current_perspective = NULL;
  94 guint SP3DBoxContext::number_of_handles = 3;
  95
  96 static void sp_3dbox_context_init(SP3DBoxContext *box3d_context)
  97 {
  98     SPEventContext *event_context = SP_EVENT_CONTEXT(box3d_context);
  99
 100     event_context->cursor_shape = cursor_rect_xpm;
 101     event_context->hot_x = 4;
 102     event_context->hot_y = 4;
 103     event_context->xp = 0;
 104     event_context->yp = 0;
 105     event_context->tolerance = 0;
 106     event_context->within_tolerance = false;
 107     event_context->item_to_select = NULL;
 108
 109     event_context->shape_repr = NULL;
 110     event_context->shape_knot_holder = NULL;
 111
 112     box3d_context->item = NULL;
 113
 114     box3d_context->rx = 0.0;
 115     box3d_context->ry = 0.0;
 116
 117     box3d_context->ctrl_dragged = false;
 118     box3d_context->extruded = false;
 119
 120     /* create an initial perspective */
 121     if (!SP3DBoxContext::current_perspective) {
 122         SP3DBoxContext::current_perspective = new Box3D::Perspective3D (
 123                                               // VP in x-direction
 124                                               Box3D::VanishingPoint( NR::Point( 50.0, 600.0),
 125                                                                      NR::Point( -1.0,   0.0), Box3D::VP_INFINITE),
 126                                               // VP in y-direction
 127                                               Box3D::VanishingPoint( NR::Point(500.0,1000.0),
 128                                                                      NR::Point(  0.0,   1.0), Box3D::VP_INFINITE),
 129                                               // VP in z-direction
 130                                               Box3D::VanishingPoint( NR::Point(700.0, 500.0),
 131                                                                      NR::Point(sqrt(3.0),1.0), Box3D::VP_INFINITE));
 132     }
 133
 134     new (&box3d_context->sel_changed_connection) sigc::connection();
 135 }
 136
 137 static void sp_3dbox_context_dispose(GObject *object)
 138 {
 139     SP3DBoxContext *rc = SP_3DBOX_CONTEXT(object);
 140     SPEventContext *ec = SP_EVENT_CONTEXT(object);
 141
 142     ec->enableGrDrag(false);
 143
 144     rc->sel_changed_connection.disconnect();
 145     rc->sel_changed_connection.~connection();
 146
 147     /* fixme: This is necessary because we do not grab */
 148     if (rc->item) {
 149         sp_3dbox_finish(rc);
 150     }
 151
 152     if (ec->shape_knot_holder) {
 153         sp_knot_holder_destroy(ec->shape_knot_holder);
 154         ec->shape_knot_holder = NULL;
 155     }
 156
 157     if (ec->shape_repr) { // remove old listener
 158         sp_repr_remove_listener_by_data(ec->shape_repr, ec);
 159         Inkscape::GC::release(ec->shape_repr);
 160         ec->shape_repr = 0;
 161     }
 162
 163     if (rc->_message_context) {
 164         delete rc->_message_context;
 165     }
 166
 167     G_OBJECT_CLASS(parent_class)->dispose(object);
 168 }
 169
 170 static Inkscape::XML::NodeEventVector ec_shape_repr_events = {
 171     NULL, /* child_added */
 172     NULL, /* child_removed */
 173     ec_shape_event_attr_changed,
 174     NULL, /* content_changed */
 175     NULL  /* order_changed */
 176 };
 177
 178 /**
 179 \brief  Callback that processes the "changed" signal on the selection;
 180 destroys old and creates new knotholder
 181 */
 182 void sp_3dbox_context_selection_changed(Inkscape::Selection *selection, gpointer data)
 183 {
 184     SP3DBoxContext *rc = SP_3DBOX_CONTEXT(data);
 185     SPEventContext *ec = SP_EVENT_CONTEXT(rc);
 186
 187     if (ec->shape_knot_holder) { // destroy knotholder
 188         sp_knot_holder_destroy(ec->shape_knot_holder);
 189         ec->shape_knot_holder = NULL;
 190     }
 191
 192     if (ec->shape_repr) { // remove old listener
 193         sp_repr_remove_listener_by_data(ec->shape_repr, ec);
 194         Inkscape::GC::release(ec->shape_repr);
 195         ec->shape_repr = 0;
 196     }
 197
 198     SPItem *item = selection->singleItem();
 199     if (item) {
 200         ec->shape_knot_holder = sp_item_knot_holder(item, ec->desktop);
 201         Inkscape::XML::Node *shape_repr = SP_OBJECT_REPR(item);
 202         if (shape_repr) {
 203             ec->shape_repr = shape_repr;
 204             Inkscape::GC::anchor(shape_repr);
 205             sp_repr_add_listener(shape_repr, &ec_shape_repr_events, ec);
 206
 207             // FIXME: The following really belongs in sp_3dbox_build. But when undoing & redoing the
 208             //        creation of a 3D box, we have no means of accessing the recreated paths, which
 209             //        seem to be built after the box itself. Thus we need to check for untracked paths
 210             //        here and hook them to the box if the latter was created by a redo operation.
 211             if (SP_IS_3DBOX(item)) {
 212                 sp_3dbox_link_to_existing_paths (SP_3DBOX(item), shape_repr);
 213             }
 214         }
 215     }
 216 }
 217
 218 static void sp_3dbox_context_setup(SPEventContext *ec)
 219 {
 220     SP3DBoxContext *rc = SP_3DBOX_CONTEXT(ec);
 221
 222     if (((SPEventContextClass *) parent_class)->setup) {
 223         ((SPEventContextClass *) parent_class)->setup(ec);
 224     }
 225
 226     SPItem *item = sp_desktop_selection(ec->desktop)->singleItem();
 227     if (item) {
 228         ec->shape_knot_holder = sp_item_knot_holder(item, ec->desktop);
 229         Inkscape::XML::Node *shape_repr = SP_OBJECT_REPR(item);
 230         if (shape_repr) {
 231             ec->shape_repr = shape_repr;
 232             Inkscape::GC::anchor(shape_repr);
 233             sp_repr_add_listener(shape_repr, &ec_shape_repr_events, ec);
 234         }
 235     }
 236
 237     rc->sel_changed_connection.disconnect();
 238     rc->sel_changed_connection = sp_desktop_selection(ec->desktop)->connectChanged(
 239         sigc::bind(sigc::ptr_fun(&sp_3dbox_context_selection_changed), (gpointer)rc)
 240     );
 241
 242     sp_event_context_read(ec, "rx");
 243     sp_event_context_read(ec, "ry");
 244
 245     if (prefs_get_int_attribute("tools.shapes", "selcue", 0) != 0) {
 246         ec->enableSelectionCue();
 247     }
 248
 249     if (prefs_get_int_attribute("tools.shapes", "gradientdrag", 0) != 0) {
 250         ec->enableGrDrag();
 251     }
 252
 253     rc->_message_context = new Inkscape::MessageContext((ec->desktop)->messageStack());
 254 }
 255
 256 static void sp_3dbox_context_set(SPEventContext *ec, gchar const *key, gchar const *val)
 257 {
 258     SP3DBoxContext *rc = SP_3DBOX_CONTEXT(ec);
 259
 260     /* fixme: Proper error handling for non-numeric data.  Use a locale-independent function like
 261      * g_ascii_strtod (or a thin wrapper that does the right thing for invalid values inf/nan). */
 262     if ( strcmp(key, "rx") == 0 ) {
 263         rc->rx = ( val
 264                          ? g_ascii_strtod (val, NULL)
 265                          : 0.0 );
 266     } else if ( strcmp(key, "ry") == 0 ) {
 267         rc->ry = ( val
 268                          ? g_ascii_strtod (val, NULL)
 269                          : 0.0 );
 270     }
 271 }
 272
 273 static gint sp_3dbox_context_item_handler(SPEventContext *event_context, SPItem *item, GdkEvent *event)
 274 {
 275     SPDesktop *desktop = event_context->desktop;
 276
 277     gint ret = FALSE;
 278
 279     switch (event->type) {
 280     case GDK_BUTTON_PRESS:
 281         if ( event->button.button == 1 ) {
 282             Inkscape::setup_for_drag_start(desktop, event_context, event);
 283             ret = TRUE;
 284         }
 285         break;
 286         // motion and release are always on root (why?)
 287     default:
 288         break;
 289     }
 290
 291     if (((SPEventContextClass *) parent_class)->item_handler) {
 292         ret = ((SPEventContextClass *) parent_class)->item_handler(event_context, item, event);
 293     }
 294
 295     return ret;
 296 }
 297
 298 static gint sp_3dbox_context_root_handler(SPEventContext *event_context, GdkEvent *event)
 299 {
 300     static bool dragging;
 301
 302     SPDesktop *desktop = event_context->desktop;
 303     Inkscape::Selection *selection = sp_desktop_selection (desktop);
 304
 305     SP3DBoxContext *rc = SP_3DBOX_CONTEXT(event_context);
 306
 307     event_context->tolerance = prefs_get_int_attribute_limited("options.dragtolerance", "value", 0, 0, 100);
 308
 309     gint ret = FALSE;
 310     switch (event->type) {
 311     case GDK_BUTTON_PRESS:
 312         if ( event->button.button == 1 ) {
 313             NR::Point const button_w(event->button.x,
 314                                      event->button.y);
 315
 316             // save drag origin
 317             event_context->xp = (gint) button_w[NR::X];
 318             event_context->yp = (gint) button_w[NR::Y];
 319             event_context->within_tolerance = true;
 320
 321             // remember clicked item, disregarding groups, honoring Alt
 322             event_context->item_to_select = sp_event_context_find_item (desktop, button_w, event->button.state & GDK_MOD1_MASK, event->button.state & GDK_CONTROL_MASK);
 323
 324             dragging = true;
 325
 326             /* Position center */
 327             NR::Point const button_dt(desktop->w2d(button_w));
 328             rc->drag_origin = button_dt;
 329             rc->drag_ptB = button_dt;
 330             rc->drag_ptC = button_dt;
 331
 332             /* Snap center */
 333             SnapManager const &m = desktop->namedview->snap_manager;
 334             rc->center = m.freeSnap(Inkscape::Snapper::SNAP_POINT | Inkscape::Snapper::BBOX_POINT,
 335                                     button_dt, rc->item).getPoint();
 336
 337             sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate),
 338                                 ( GDK_KEY_PRESS_MASK |
 339                                   GDK_BUTTON_RELEASE_MASK       |
 340                                   GDK_POINTER_MOTION_MASK       |
 341                                   GDK_BUTTON_PRESS_MASK ),
 342                                 NULL, event->button.time);
 343             ret = TRUE;
 344         }
 345         break;
 346     case GDK_MOTION_NOTIFY:
 347         if ( dragging
 348              && ( event->motion.state & GDK_BUTTON1_MASK ) )
 349         {
 350             if ( event_context->within_tolerance
 351                  && ( abs( (gint) event->motion.x - event_context->xp ) < event_context->tolerance )
 352                  && ( abs( (gint) event->motion.y - event_context->yp ) < event_context->tolerance ) ) {
 353                 break; // do not drag if we're within tolerance from origin
 354             }
 355             // Once the user has moved farther than tolerance from the original location
 356             // (indicating they intend to draw, not click), then always process the
 357             // motion notify coordinates as given (no snapping back to origin)
 358             event_context->within_tolerance = false;
 359
 360             NR::Point const motion_w(event->motion.x,
 361                                      event->motion.y);
 362             NR::Point motion_dt(desktop->w2d(motion_w));
 363
 364             SnapManager const &m = desktop->namedview->snap_manager;
 365             motion_dt = m.freeSnap(Inkscape::Snapper::BBOX_POINT | Inkscape::Snapper::SNAP_POINT, motion_dt, rc->item).getPoint();
 366
 367             rc->ctrl_dragged  = event->motion.state & GDK_CONTROL_MASK;
 368
 369             if (event->motion.state & GDK_SHIFT_MASK && !rc->extruded) {
 370                 /* once shift is pressed, set rc->extruded (no need to create further faces;
 371                    all of them are already created in sp_3dbox_init) */
 372                 rc->extruded = true;
 373             }
 374
 375             if (!rc->extruded) {
 376                 rc->drag_ptB = motion_dt;
 377                 rc->drag_ptC = motion_dt;
 378             } else {
 379                 // Without Ctrl, motion of the extruded corner is constrained to the
 380                 // perspective line from drag_ptB to vanishing point Y.
 381                 if (!rc->ctrl_dragged) {
 382                         rc->drag_ptC = Box3D::perspective_line_snap (rc->drag_ptB, Box3D::Z, motion_dt);
 383                 } else {
 384                     rc->drag_ptC = motion_dt;
 385                 }
 386                 rc->drag_ptC = m.freeSnap(Inkscape::Snapper::BBOX_POINT | Inkscape::Snapper::SNAP_POINT, rc->drag_ptC, rc->item).getPoint();
 387                 if (rc->ctrl_dragged) {
 388                         Box3D::PerspectiveLine pl1 (NR::Point (event_context->xp, event_context->yp), Box3D::Y);
 389                         Box3D::PerspectiveLine pl2 (rc->drag_ptB, Box3D::X);
 390                         NR::Point corner1 = pl1.meet(pl2);
 391
 392                         Box3D::PerspectiveLine pl3 (corner1, Box3D::X);
 393                         Box3D::PerspectiveLine pl4 (rc->drag_ptC, Box3D::Z);
 394                         rc->drag_ptB = pl3.meet(pl4);
 395                 }
 396             }
 397
 398
 399             sp_3dbox_drag(*rc, event->motion.state);
 400
 401             ret = TRUE;
 402         }
 403         break;
 404     case GDK_BUTTON_RELEASE:
 405         event_context->xp = event_context->yp = 0;
 406         if ( event->button.button == 1 ) {
 407             dragging = false;
 408
 409             if (!event_context->within_tolerance) {
 410                 // we've been dragging, finish the box
 411                 sp_3dbox_finish(rc);
 412             } else if (event_context->item_to_select) {
 413                 // no dragging, select clicked item if any
 414                 if (event->button.state & GDK_SHIFT_MASK) {
 415                     selection->toggle(event_context->item_to_select);
 416                 } else {
 417                     selection->set(event_context->item_to_select);
 418                 }
 419             } else {
 420                 // click in an empty space
 421                 selection->clear();
 422             }
 423
 424             event_context->item_to_select = NULL;
 425             ret = TRUE;
 426             sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
 427                                   event->button.time);
 428         }
 429         break;
 430     case GDK_KEY_PRESS:
 431         switch (get_group0_keyval (&event->key)) {
 432         case GDK_Alt_L:
 433         case GDK_Alt_R:
 434         case GDK_Control_L:
 435         case GDK_Control_R:
 436         case GDK_Shift_L:
 437         case GDK_Shift_R:
 438         case GDK_Meta_L:  // Meta is when you press Shift+Alt (at least on my machine)
 439         case GDK_Meta_R:
 440             /***
 441             if (!dragging){
 442                 sp_event_show_modifier_tip (event_context->defaultMessageContext(), event,
 443                                             _("<b>Ctrl</b>: make square or integer-ratio rect, lock a rounded corner circular"),
 444                                             _("<b>Shift</b>: draw around the starting point"),
 445                                             NULL);
 446             }
 447             ***/
 448             break;
 449         case GDK_Up:
 450         case GDK_Down:
 451         case GDK_KP_Up:
 452         case GDK_KP_Down:
 453             // prevent the zoom field from activation
 454             if (!MOD__CTRL_ONLY)
 455                 ret = TRUE;
 456             break;
 457
 458         case GDK_x:
 459         case GDK_X:
 460             if (MOD__ALT_ONLY) {
 461                 // desktop->setToolboxFocusTo ("altx-rect");
 462                 ret = TRUE;
 463             }
 464             break;
 465
 466         case GDK_Escape:
 467             sp_desktop_selection(desktop)->clear();
 468             //TODO: make dragging escapable by Esc
 469             break;
 470
 471         case GDK_space:
 472             if (dragging) {
 473                 sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
 474                                       event->button.time);
 475                 dragging = false;
 476                 if (!event_context->within_tolerance) {
 477                     // we've been dragging, finish the box
 478                     sp_3dbox_finish(rc);
 479                 }
 480                 // do not return true, so that space would work switching to selector
 481             }
 482             break;
 483
 484         default:
 485             break;
 486         }
 487         break;
 488     case GDK_KEY_RELEASE:
 489         switch (get_group0_keyval (&event->key)) {
 490         case GDK_Alt_L:
 491         case GDK_Alt_R:
 492         case GDK_Control_L:
 493         case GDK_Control_R:
 494         case GDK_Shift_L:
 495         case GDK_Shift_R:
 496         case GDK_Meta_L:  // Meta is when you press Shift+Alt
 497         case GDK_Meta_R:
 498             event_context->defaultMessageContext()->clear();
 499             break;
 500         default:
 501             break;
 502         }
 503         break;
 504     default:
 505         break;
 506     }
 507
 508     if (!ret) {
 509         if (((SPEventContextClass *) parent_class)->root_handler) {
 510             ret = ((SPEventContextClass *) parent_class)->root_handler(event_context, event);
 511         }
 512     }
 513
 514     return ret;
 515 }
 516
 517 static void sp_3dbox_drag(SP3DBoxContext &bc, guint state)
 518 {
 519     SPDesktop *desktop = SP_EVENT_CONTEXT(&bc)->desktop;
 520
 521     if (!bc.item) {
 522
 523         if (Inkscape::have_viable_layer(desktop, bc._message_context) == false) {
 524             return;
 525         }
 526
 527         /* Create object */
 528         Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_EVENT_CONTEXT_DOCUMENT(&bc));
 529         Inkscape::XML::Node *repr = xml_doc->createElement("svg:g");
 530         repr->setAttribute("sodipodi:type", "inkscape:3dbox");
 531
 532         /* Set style */
 533         sp_desktop_apply_style_tool (desktop, repr, "tools.shapes.3dbox", false);
 534
 535         bc.item = (SPItem *) desktop->currentLayer()->appendChildRepr(repr);
 536         Inkscape::GC::release(repr);
 537         bc.item->transform = SP_ITEM(desktop->currentRoot())->getRelativeTransform(desktop->currentLayer());
 538
 539         /* Hook paths to the faces of the box */
 540         for (int i = 0; i < 6; ++i) {
 541             SP_3DBOX(bc.item)->faces[i]->hook_path_to_3dbox();
 542         }
 543
 544         bc.item->updateRepr();
 545
 546         sp_canvas_force_full_redraw_after_interruptions(desktop->canvas, 5);
 547     }
 548
 549     // FIXME: remove these extra points
 550     NR::Point pt = bc.drag_ptB;
 551     NR::Point shift_pt = bc.drag_ptC;
 552
 553     NR::Rect r;
 554     if (!(state & GDK_SHIFT_MASK)) {
 555         r = Inkscape::snap_rectangular_box(desktop, bc.item, pt, bc.center, state);
 556     } else {
 557         r = Inkscape::snap_rectangular_box(desktop, bc.item, shift_pt, bc.center, state);
 558     }
 559
 560     SPEventContext *ec = SP_EVENT_CONTEXT(&bc);
 561     NR::Point origin_w(ec->xp, ec->yp);
 562     NR::Point origin(desktop->w2d(origin_w));
 563     sp_3dbox_position_set(bc);
 564
 565     // status text
 566     //GString *Ax = SP_PX_TO_METRIC_STRING(origin[NR::X], desktop->namedview->getDefaultMetric());
 567     //GString *Ay = SP_PX_TO_METRIC_STRING(origin[NR::Y], desktop->namedview->getDefaultMetric());
 568     bc._message_context->setF(Inkscape::NORMAL_MESSAGE, _("<b>3D Box</b>; with <b>Shift</b> to extrude along the Z axis"));
 569     //g_string_free(Ax, FALSE);
 570     //g_string_free(Ay, FALSE);
 571 }
 572
 573 static void sp_3dbox_finish(SP3DBoxContext *rc)
 574 {
 575     rc->_message_context->clear();
 576
 577     if ( rc->item != NULL ) {
 578         SPDesktop * desktop;
 579
 580         desktop = SP_EVENT_CONTEXT_DESKTOP(rc);
 581
 582         SP_OBJECT(rc->item)->updateRepr();
 583
 584         sp_canvas_end_forced_full_redraws(desktop->canvas);
 585
 586         sp_desktop_selection(desktop)->set(rc->item);
 587         sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_3DBOX,
 588                          _("Create 3D box"));
 589
 590         rc->item = NULL;
 591     }
 592
 593     rc->ctrl_dragged = false;
 594     rc->extruded = false;
 595 }
 596
 597 /*
 598   Local Variables:
 599   mode:c++
 600   c-file-style:"stroustrup"
 601   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 602   indent-tabs-mode:nil
 603   fill-column:99
 604   End:
 605 */
 606 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :