1 #define __SP_BOX3D_CONTEXT_C__
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 */
18 #include "config.h"
20 #include <gdk/gdkkeysyms.h>
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-3dbox.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 #include "inkscape.h"
43 #include "desktop-style.h"
44 #include "transf_mat_3x4.h"
45 #include "perspective-line.h"
46 #include "persp3d.h"
47 #include "box3d-side.h"
48 #include "document-private.h" // for debugging (see case GDK_P)
49 #include "line-geometry.h"
51 static void sp_box3d_context_class_init(Box3DContextClass *klass);
52 static void sp_box3d_context_init(Box3DContext *box3d_context);
53 static void sp_box3d_context_dispose(GObject *object);
55 static void sp_box3d_context_setup(SPEventContext *ec);
57 static gint sp_box3d_context_root_handler(SPEventContext *event_context, GdkEvent *event);
58 static gint sp_box3d_context_item_handler(SPEventContext *event_context, SPItem *item, GdkEvent *event);
60 static void sp_box3d_drag(Box3DContext &bc, guint state);
61 static void sp_box3d_finish(Box3DContext *bc);
63 static SPEventContextClass *parent_class;
65 GtkType sp_box3d_context_get_type()
66 {
67 static GType type = 0;
68 if (!type) {
69 GTypeInfo info = {
70 sizeof(Box3DContextClass),
71 NULL, NULL,
72 (GClassInitFunc) sp_box3d_context_class_init,
73 NULL, NULL,
74 sizeof(Box3DContext),
75 4,
76 (GInstanceInitFunc) sp_box3d_context_init,
77 NULL, /* value_table */
78 };
79 type = g_type_register_static(SP_TYPE_EVENT_CONTEXT, "Box3DContext", &info, (GTypeFlags) 0);
80 }
81 return type;
82 }
84 static void sp_box3d_context_class_init(Box3DContextClass *klass)
85 {
86 GObjectClass *object_class = (GObjectClass *) klass;
87 SPEventContextClass *event_context_class = (SPEventContextClass *) klass;
89 parent_class = (SPEventContextClass *) g_type_class_peek_parent(klass);
91 object_class->dispose = sp_box3d_context_dispose;
93 event_context_class->setup = sp_box3d_context_setup;
94 event_context_class->root_handler = sp_box3d_context_root_handler;
95 event_context_class->item_handler = sp_box3d_context_item_handler;
96 }
98 static void sp_box3d_context_init(Box3DContext *box3d_context)
99 {
100 SPEventContext *event_context = SP_EVENT_CONTEXT(box3d_context);
102 event_context->cursor_shape = cursor_3dbox_xpm;
103 event_context->hot_x = 4;
104 event_context->hot_y = 4;
105 event_context->xp = 0;
106 event_context->yp = 0;
107 event_context->tolerance = 0;
108 event_context->within_tolerance = false;
109 event_context->item_to_select = NULL;
111 event_context->shape_repr = NULL;
112 event_context->shape_knot_holder = NULL;
114 box3d_context->item = NULL;
116 box3d_context->ctrl_dragged = false;
117 box3d_context->extruded = false;
119 box3d_context->_vpdrag = NULL;
121 new (&box3d_context->sel_changed_connection) sigc::connection();
122 }
124 static void sp_box3d_context_dispose(GObject *object)
125 {
126 Box3DContext *bc = SP_BOX3D_CONTEXT(object);
127 SPEventContext *ec = SP_EVENT_CONTEXT(object);
129 ec->enableGrDrag(false);
131 delete (bc->_vpdrag);
132 bc->_vpdrag = NULL;
134 bc->sel_changed_connection.disconnect();
135 bc->sel_changed_connection.~connection();
137 /* fixme: This is necessary because we do not grab */
138 if (bc->item) {
139 sp_box3d_finish(bc);
140 }
142 if (ec->shape_knot_holder) {
143 sp_knot_holder_destroy(ec->shape_knot_holder);
144 ec->shape_knot_holder = NULL;
145 }
147 if (ec->shape_repr) { // remove old listener
148 sp_repr_remove_listener_by_data(ec->shape_repr, ec);
149 Inkscape::GC::release(ec->shape_repr);
150 ec->shape_repr = 0;
151 }
153 if (bc->_message_context) {
154 delete bc->_message_context;
155 }
157 G_OBJECT_CLASS(parent_class)->dispose(object);
158 }
160 static Inkscape::XML::NodeEventVector ec_shape_repr_events = {
161 NULL, /* child_added */
162 NULL, /* child_removed */
163 ec_shape_event_attr_changed,
164 NULL, /* content_changed */
165 NULL /* order_changed */
166 };
168 /**
169 \brief Callback that processes the "changed" signal on the selection;
170 destroys old and creates new knotholder
171 */
172 static void sp_box3d_context_selection_changed(Inkscape::Selection *selection, gpointer data)
173 {
174 Box3DContext *bc = SP_BOX3D_CONTEXT(data);
175 SPEventContext *ec = SP_EVENT_CONTEXT(bc);
177 if (ec->shape_knot_holder) { // destroy knotholder
178 sp_knot_holder_destroy(ec->shape_knot_holder);
179 ec->shape_knot_holder = NULL;
180 }
182 if (ec->shape_repr) { // remove old listener
183 sp_repr_remove_listener_by_data(ec->shape_repr, ec);
184 Inkscape::GC::release(ec->shape_repr);
185 ec->shape_repr = 0;
186 }
188 SPDocument *doc = sp_desktop_document(bc->desktop);
189 doc->persps_sel.clear();
190 doc->persps_sel = persp3d_currently_selected_persps(ec);
192 SPItem *item = selection->singleItem();
193 if (item) {
194 ec->shape_knot_holder = sp_item_knot_holder(item, ec->desktop);
195 Inkscape::XML::Node *shape_repr = SP_OBJECT_REPR(item);
196 if (shape_repr) {
197 ec->shape_repr = shape_repr;
198 Inkscape::GC::anchor(shape_repr);
199 sp_repr_add_listener(shape_repr, &ec_shape_repr_events, ec);
200 }
201 }
203 if (doc->persps_sel.size() == 1) {
204 // selecting a single box changes the current perspective
205 doc->current_persp3d = *(doc->persps_sel.begin());
206 }
207 }
209 static void sp_box3d_context_setup(SPEventContext *ec)
210 {
211 Box3DContext *bc = SP_BOX3D_CONTEXT(ec);
213 if (((SPEventContextClass *) parent_class)->setup) {
214 ((SPEventContextClass *) parent_class)->setup(ec);
215 }
217 SPItem *item = sp_desktop_selection(ec->desktop)->singleItem();
218 if (item) {
219 ec->shape_knot_holder = sp_item_knot_holder(item, ec->desktop);
220 Inkscape::XML::Node *shape_repr = SP_OBJECT_REPR(item);
221 if (shape_repr) {
222 ec->shape_repr = shape_repr;
223 Inkscape::GC::anchor(shape_repr);
224 sp_repr_add_listener(shape_repr, &ec_shape_repr_events, ec);
225 }
226 }
228 bc->sel_changed_connection.disconnect();
229 bc->sel_changed_connection = sp_desktop_selection(ec->desktop)->connectChanged(
230 sigc::bind(sigc::ptr_fun(&sp_box3d_context_selection_changed), (gpointer)bc)
231 );
233 bc->_vpdrag = new Box3D::VPDrag(sp_desktop_document (ec->desktop));
235 if (prefs_get_int_attribute("tools.shapes", "selcue", 0) != 0) {
236 ec->enableSelectionCue();
237 }
239 if (prefs_get_int_attribute("tools.shapes", "gradientdrag", 0) != 0) {
240 ec->enableGrDrag();
241 }
243 bc->_message_context = new Inkscape::MessageContext((ec->desktop)->messageStack());
244 }
246 static gint sp_box3d_context_item_handler(SPEventContext *event_context, SPItem *item, GdkEvent *event)
247 {
248 SPDesktop *desktop = event_context->desktop;
250 gint ret = FALSE;
252 switch (event->type) {
253 case GDK_BUTTON_PRESS:
254 if ( event->button.button == 1 && !event_context->space_panning) {
255 Inkscape::setup_for_drag_start(desktop, event_context, event);
256 ret = TRUE;
257 }
258 break;
259 // motion and release are always on root (why?)
260 default:
261 break;
262 }
264 if (((SPEventContextClass *) parent_class)->item_handler) {
265 ret = ((SPEventContextClass *) parent_class)->item_handler(event_context, item, event);
266 }
268 return ret;
269 }
271 static gint sp_box3d_context_root_handler(SPEventContext *event_context, GdkEvent *event)
272 {
273 static bool dragging;
275 SPDesktop *desktop = event_context->desktop;
276 Inkscape::Selection *selection = sp_desktop_selection (desktop);
277 int const snaps = prefs_get_int_attribute("options.rotationsnapsperpi", "value", 12);
279 Box3DContext *bc = SP_BOX3D_CONTEXT(event_context);
280 g_assert (SP_ACTIVE_DOCUMENT->current_persp3d);
281 Persp3D *cur_persp = SP_ACTIVE_DOCUMENT->current_persp3d;
283 event_context->tolerance = prefs_get_int_attribute_limited("options.dragtolerance", "value", 0, 0, 100);
285 gint ret = FALSE;
286 switch (event->type) {
287 case GDK_BUTTON_PRESS:
288 if ( event->button.button == 1 && !event_context->space_panning) {
289 NR::Point const button_w(event->button.x,
290 event->button.y);
292 // save drag origin
293 event_context->xp = (gint) button_w[NR::X];
294 event_context->yp = (gint) button_w[NR::Y];
295 event_context->within_tolerance = true;
297 // remember clicked item, *not* disregarding groups (since a 3D box is a group), honoring Alt
298 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);
300 dragging = true;
302 /* */
303 NR::Point const button_dt(desktop->w2d(button_w));
304 bc->drag_origin = button_dt;
305 bc->drag_ptB = button_dt;
306 bc->drag_ptC = button_dt;
308 /* Projective preimages of clicked point under current perspective */
309 bc->drag_origin_proj = cur_persp->tmat.preimage (button_dt, 0, Proj::Z);
310 bc->drag_ptB_proj = bc->drag_origin_proj;
311 bc->drag_ptC_proj = bc->drag_origin_proj;
312 bc->drag_ptC_proj.normalize();
313 bc->drag_ptC_proj[Proj::Z] = 0.25;
315 /* Snap center */
316 SnapManager const &m = desktop->namedview->snap_manager;
317 bc->center = m.freeSnap(Inkscape::Snapper::SNAPPOINT_NODE,
318 button_dt, bc->item).getPoint();
320 sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate),
321 ( GDK_KEY_PRESS_MASK |
322 GDK_BUTTON_RELEASE_MASK |
323 GDK_POINTER_MOTION_MASK |
324 GDK_BUTTON_PRESS_MASK ),
325 NULL, event->button.time);
326 ret = TRUE;
327 }
328 break;
329 case GDK_MOTION_NOTIFY:
330 if ( dragging
331 && ( event->motion.state & GDK_BUTTON1_MASK ) && !event_context->space_panning)
332 {
333 if ( event_context->within_tolerance
334 && ( abs( (gint) event->motion.x - event_context->xp ) < event_context->tolerance )
335 && ( abs( (gint) event->motion.y - event_context->yp ) < event_context->tolerance ) ) {
336 break; // do not drag if we're within tolerance from origin
337 }
338 // Once the user has moved farther than tolerance from the original location
339 // (indicating they intend to draw, not click), then always process the
340 // motion notify coordinates as given (no snapping back to origin)
341 event_context->within_tolerance = false;
343 NR::Point const motion_w(event->motion.x,
344 event->motion.y);
345 NR::Point motion_dt(desktop->w2d(motion_w));
347 SnapManager const &m = desktop->namedview->snap_manager;
348 motion_dt = m.freeSnap(Inkscape::Snapper::SNAPPOINT_NODE, motion_dt, bc->item).getPoint();
350 bc->ctrl_dragged = event->motion.state & GDK_CONTROL_MASK;
352 if (event->motion.state & GDK_SHIFT_MASK && !bc->extruded && bc->item) {
353 // once shift is pressed, set bc->extruded
354 bc->extruded = true;
355 }
357 if (!bc->extruded) {
358 bc->drag_ptB = motion_dt;
359 bc->drag_ptC = motion_dt;
361 bc->drag_ptB_proj = cur_persp->tmat.preimage (motion_dt, 0, Proj::Z);
362 bc->drag_ptC_proj = bc->drag_ptB_proj;
363 bc->drag_ptC_proj.normalize();
364 bc->drag_ptC_proj[Proj::Z] = 0.25;
365 } else {
366 // Without Ctrl, motion of the extruded corner is constrained to the
367 // perspective line from drag_ptB to vanishing point Y.
368 if (!bc->ctrl_dragged) {
369 /* snapping */
370 Box3D::PerspectiveLine pline (bc->drag_ptB, Proj::Z, SP_ACTIVE_DOCUMENT->current_persp3d);
371 bc->drag_ptC = pline.closest_to (motion_dt);
373 bc->drag_ptB_proj.normalize();
374 bc->drag_ptC_proj = cur_persp->tmat.preimage (bc->drag_ptC, bc->drag_ptB_proj[Proj::X], Proj::X);
375 } else {
376 bc->drag_ptC = motion_dt;
378 bc->drag_ptB_proj.normalize();
379 bc->drag_ptC_proj = cur_persp->tmat.preimage (motion_dt, bc->drag_ptB_proj[Proj::X], Proj::X);
380 }
381 bc->drag_ptC = m.freeSnap(Inkscape::Snapper::SNAPPOINT_NODE, bc->drag_ptC, bc->item).getPoint();
382 if (bc->ctrl_dragged) {
383 g_print ("TODO: What should happen here?\n");
384 // Update bc->drag_ptB in case we are ctrl-dragging
385 /***
386 Box3D::PerspectiveLine pl1 (NR::Point (event_context->xp, event_context->yp), Box3D::Y, bc->_vpdrag->document->current_perspective);
387 Box3D::PerspectiveLine pl2 (bc->drag_ptB, Box3D::X, bc->_vpdrag->document->current_perspective);
388 NR::Point corner1 = pl1.meet(pl2);
390 Box3D::PerspectiveLine pl3 (corner1, Box3D::X, bc->_vpdrag->document->current_perspective);
391 Box3D::PerspectiveLine pl4 (bc->drag_ptC, Box3D::Z, bc->_vpdrag->document->current_perspective);
392 bc->drag_ptB = pl3.meet(pl4);
393 ***/
394 }
395 }
397 sp_box3d_drag(*bc, event->motion.state);
399 ret = TRUE;
400 }
401 break;
402 case GDK_BUTTON_RELEASE:
403 event_context->xp = event_context->yp = 0;
404 if ( event->button.button == 1 && !event_context->space_panning) {
405 dragging = false;
407 if (!event_context->within_tolerance) {
408 // we've been dragging, finish the box
409 sp_box3d_finish(bc);
410 } else if (event_context->item_to_select) {
411 // no dragging, select clicked item if any
412 if (event->button.state & GDK_SHIFT_MASK) {
413 selection->toggle(event_context->item_to_select);
414 } else {
415 selection->set(event_context->item_to_select);
416 }
417 } else {
418 // click in an empty space
419 selection->clear();
420 }
422 event_context->item_to_select = NULL;
423 ret = TRUE;
424 sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
425 event->button.time);
426 }
427 break;
428 case GDK_KEY_PRESS:
429 switch (get_group0_keyval (&event->key)) {
430 case GDK_Alt_L:
431 case GDK_Alt_R:
432 case GDK_Control_L:
433 case GDK_Control_R:
434 case GDK_Shift_L:
435 case GDK_Shift_R:
436 case GDK_Meta_L: // Meta is when you press Shift+Alt (at least on my machine)
437 case GDK_Meta_R:
438 /***
439 if (!dragging){
440 sp_event_show_modifier_tip (event_context->defaultMessageContext(), event,
441 _("<b>Ctrl</b>: make square or integer-ratio rect, lock a rounded corner circular"),
442 _("<b>Shift</b>: draw around the starting point"),
443 NULL);
444 }
445 ***/
446 break;
447 case GDK_Up:
448 case GDK_Down:
449 case GDK_KP_Up:
450 case GDK_KP_Down:
451 // prevent the zoom field from activation
452 if (!MOD__CTRL_ONLY)
453 ret = TRUE;
454 break;
456 case GDK_bracketright:
457 persp3d_rotate_VP (inkscape_active_document()->current_persp3d, Proj::X, -180/snaps, MOD__ALT);
458 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_3DBOX,
459 _("Change perspective (angle of PLs)"));
460 ret = true;
461 break;
463 case GDK_bracketleft:
464 persp3d_rotate_VP (inkscape_active_document()->current_persp3d, Proj::X, 180/snaps, MOD__ALT);
465 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_3DBOX,
466 _("Change perspective (angle of PLs)"));
467 ret = true;
468 break;
470 case GDK_parenright:
471 persp3d_rotate_VP (inkscape_active_document()->current_persp3d, Proj::Y, -180/snaps, MOD__ALT);
472 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_3DBOX,
473 _("Change perspective (angle of PLs)"));
474 ret = true;
475 break;
477 case GDK_parenleft:
478 persp3d_rotate_VP (inkscape_active_document()->current_persp3d, Proj::Y, 180/snaps, MOD__ALT);
479 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_3DBOX,
480 _("Change perspective (angle of PLs)"));
481 ret = true;
482 break;
484 case GDK_braceright:
485 persp3d_rotate_VP (inkscape_active_document()->current_persp3d, Proj::Z, -180/snaps, MOD__ALT);
486 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_3DBOX,
487 _("Change perspective (angle of PLs)"));
488 ret = true;
489 break;
491 case GDK_braceleft:
492 persp3d_rotate_VP (inkscape_active_document()->current_persp3d, Proj::Z, 180/snaps, MOD__ALT);
493 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_3DBOX,
494 _("Change perspective (angle of PLs)"));
495 ret = true;
496 break;
498 case GDK_O:
499 if (MOD__CTRL && MOD__SHIFT) {
500 Box3D::create_canvas_point(persp3d_get_VP(inkscape_active_document()->current_persp3d, Proj::W).affine(),
501 6, 0xff00ff00);
502 }
503 ret = true;
504 break;
506 case GDK_I:
507 if (MOD__ALT) {
508 persp3d_print_debugging_info_all (inkscape_active_document());
509 } else {
510 persp3d_print_debugging_info (inkscape_active_document()->current_persp3d);
511 }
512 ret = true;
513 break;
515 case GDK_P:
516 {
517 if (MOD__SHIFT && MOD__CTRL) break; // Don't catch Shift+Ctrl+P (Preferences dialog)
518 SPDefs *defs = (SPDefs *) SP_DOCUMENT_DEFS(SP_ACTIVE_DOCUMENT);
519 g_print ("=== Persp3D Objects: ==============================\n");
520 for (SPObject *i = sp_object_first_child(SP_OBJECT(defs)); i != NULL; i = SP_OBJECT_NEXT(i) ) {
521 g_print ("Object encountered\n");
522 if (SP_IS_PERSP3D(i)) {
523 //g_print ("Encountered a Persp3D in defs\n");
524 SP_PERSP3D(i)->tmat.print();
525 g_print ("\n");
526 g_print ("Computing preimage of point (300, 400)\n");
527 SP_PERSP3D(i)->tmat.preimage (NR::Point (300, 400), 0, Proj::Z);
528 g_print ("Computing preimage of point (200, 500)\n");
529 SP_PERSP3D(i)->tmat.preimage (NR::Point (200, 500), 0, Proj::Z);
530 }
531 }
532 g_print ("===================================================\n");
534 ret = true;
535 break;
536 }
538 case GDK_V:
539 if (bc->_vpdrag) {
540 bc->_vpdrag->printDraggers();
541 ret = true;
542 } else {
543 g_print ("No VPDrag in Box3DContext.\n");
544 }
545 break;
547 case GDK_x:
548 if (MOD__ALT_ONLY) {
549 desktop->setToolboxFocusTo ("altx-box3d");
550 ret = TRUE;
551 }
552 break;
553 case GDK_X:
554 if (MOD__CTRL) break; // Don't catch Ctrl+X ('cut') and Ctrl+Shift+X ('open XML editor')
555 persp3d_toggle_VPs(persp3d_currently_selected_persps(event_context), Proj::X);
556 bc->_vpdrag->updateLines(); // FIXME: Shouldn't this be done automatically?
557 ret = true;
558 break;
560 case GDK_Y:
561 {
562 if (MOD__CTRL) break; // Don't catch Ctrl+Y ("redo")
563 persp3d_toggle_VPs(persp3d_currently_selected_persps(event_context), Proj::Y);
564 bc->_vpdrag->updateLines(); // FIXME: Shouldn't this be done automatically?
565 ret = true;
566 break;
567 }
569 case GDK_Z:
570 {
571 if (MOD__CTRL) break; // Don't catch Ctrl+Z ("undo")
572 persp3d_toggle_VPs(persp3d_currently_selected_persps(event_context), Proj::Z);
573 bc->_vpdrag->updateLines(); // FIXME: Shouldn't this be done automatically?
574 ret = true;
575 break;
576 }
578 case GDK_Escape:
579 sp_desktop_selection(desktop)->clear();
580 //TODO: make dragging escapable by Esc
581 break;
583 case GDK_space:
584 if (dragging) {
585 sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
586 event->button.time);
587 dragging = false;
588 if (!event_context->within_tolerance) {
589 // we've been dragging, finish the box
590 sp_box3d_finish(bc);
591 }
592 // do not return true, so that space would work switching to selector
593 }
594 break;
596 default:
597 break;
598 }
599 break;
600 case GDK_KEY_RELEASE:
601 switch (get_group0_keyval (&event->key)) {
602 case GDK_Alt_L:
603 case GDK_Alt_R:
604 case GDK_Control_L:
605 case GDK_Control_R:
606 case GDK_Shift_L:
607 case GDK_Shift_R:
608 case GDK_Meta_L: // Meta is when you press Shift+Alt
609 case GDK_Meta_R:
610 event_context->defaultMessageContext()->clear();
611 break;
612 default:
613 break;
614 }
615 break;
616 default:
617 break;
618 }
620 if (!ret) {
621 if (((SPEventContextClass *) parent_class)->root_handler) {
622 ret = ((SPEventContextClass *) parent_class)->root_handler(event_context, event);
623 }
624 }
626 return ret;
627 }
629 static void sp_box3d_drag(Box3DContext &bc, guint /*state*/)
630 {
631 SPDesktop *desktop = SP_EVENT_CONTEXT(&bc)->desktop;
633 if (!bc.item) {
635 if (Inkscape::have_viable_layer(desktop, bc._message_context) == false) {
636 return;
637 }
639 /* Create object */
640 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_EVENT_CONTEXT_DOCUMENT(&bc));
641 Inkscape::XML::Node *repr = xml_doc->createElement("svg:g");
642 repr->setAttribute("sodipodi:type", "inkscape:box3d");
644 /* Set style */
645 sp_desktop_apply_style_tool (desktop, repr, "tools.shapes.3dbox", false);
647 bc.item = (SPItem *) desktop->currentLayer()->appendChildRepr(repr);
648 Inkscape::GC::release(repr);
649 /**** bc.item->transform = SP_ITEM(desktop->currentRoot())->getRelativeTransform(desktop->currentLayer()); ****/
650 Inkscape::XML::Node *repr_side;
651 // TODO: Incorporate this in box3d-side.cpp!
652 for (int i = 0; i < 6; ++i) {
653 repr_side = xml_doc->createElement("svg:path");
654 repr_side->setAttribute("sodipodi:type", "inkscape:box3dside");
655 repr->addChild(repr_side, NULL);
657 Box3DSide *side = SP_BOX3D_SIDE(inkscape_active_document()->getObjectByRepr (repr_side));
659 guint desc = Box3D::int_to_face(i);
661 Box3D::Axis plane = (Box3D::Axis) (desc & 0x7);
662 plane = (Box3D::is_plane(plane) ? plane : Box3D::orth_plane_or_axis(plane));
663 side->dir1 = Box3D::extract_first_axis_direction(plane);
664 side->dir2 = Box3D::extract_second_axis_direction(plane);
665 side->front_or_rear = (Box3D::FrontOrRear) (desc & 0x8);
667 /* Set style */
668 box3d_side_apply_style(side);
670 SP_OBJECT(side)->updateRepr(); // calls box3d_side_write() and updates, e.g., the axes string description
671 }
673 box3d_set_z_orders(SP_BOX3D(bc.item));
674 bc.item->updateRepr();
676 // TODO: It would be nice to show the VPs during dragging, but since there is no selection
677 // at this point (only after finishing the box), we must do this "manually"
678 /**** bc._vpdrag->updateDraggers(); ****/
680 sp_canvas_force_full_redraw_after_interruptions(desktop->canvas, 5);
681 }
683 g_assert(bc.item);
685 SPBox3D *box = SP_BOX3D(bc.item);
687 box->orig_corner0 = bc.drag_origin_proj;
688 box->orig_corner7 = bc.drag_ptC_proj;
690 box3d_check_for_swapped_coords(box);
692 /* we need to call this from here (instead of from box3d_position_set(), for example)
693 because z-order setting must not interfere with display updates during undo/redo */
694 box3d_set_z_orders (box);
696 box3d_position_set(box);
698 // status text
699 //GString *Ax = SP_PX_TO_METRIC_STRING(origin[NR::X], desktop->namedview->getDefaultMetric());
700 //GString *Ay = SP_PX_TO_METRIC_STRING(origin[NR::Y], desktop->namedview->getDefaultMetric());
701 bc._message_context->setF(Inkscape::NORMAL_MESSAGE, _("<b>3D Box</b>; with <b>Shift</b> to extrude along the Z axis"));
702 //g_string_free(Ax, FALSE);
703 //g_string_free(Ay, FALSE);
704 }
706 static void sp_box3d_finish(Box3DContext *bc)
707 {
708 bc->_message_context->clear();
709 g_assert (SP_ACTIVE_DOCUMENT->current_persp3d);
710 //Persp3D *cur_persp = SP_ACTIVE_DOCUMENT->current_persp3d;
712 if ( bc->item != NULL ) {
713 SPDesktop * desktop = SP_EVENT_CONTEXT_DESKTOP(bc);
715 SPBox3D *box = SP_BOX3D(bc->item);
717 box->orig_corner0 = bc->drag_origin_proj;
718 box->orig_corner7 = bc->drag_ptC_proj;
720 box->updateRepr();
722 box3d_relabel_corners(box);
724 sp_canvas_end_forced_full_redraws(desktop->canvas);
726 sp_desktop_selection(desktop)->set(bc->item);
727 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_3DBOX,
728 _("Create 3D box"));
730 bc->item = NULL;
731 }
733 bc->ctrl_dragged = false;
734 bc->extruded = false;
735 }
737 /*
738 Local Variables:
739 mode:c++
740 c-file-style:"stroustrup"
741 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
742 indent-tabs-mode:nil
743 fill-column:99
744 End:
745 */
746 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :