1 #define __SP_SELECTION_CHEMISTRY_C__
3 /*
4 * Miscellanous operations on selected items
5 *
6 * Authors:
7 * Lauris Kaplinski <lauris@kaplinski.com>
8 * Frank Felfe <innerspace@iname.com>
9 * MenTaLguY <mental@rydia.net>
10 * bulia byak <buliabyak@users.sf.net>
11 * Andrius R. <knutux@gmail.com>
12 *
13 * Copyright (C) 1999-2006 authors
14 * Copyright (C) 2001-2002 Ximian, Inc.
15 *
16 * Released under GNU GPL, read the file 'COPYING' for more information
17 */
19 #ifdef HAVE_CONFIG_H
20 # include "config.h"
21 #endif
23 #include <gtkmm/clipboard.h>
25 #include "svg/svg.h"
26 #include "inkscape.h"
27 #include "desktop.h"
28 #include "desktop-style.h"
29 #include "selection.h"
30 #include "tools-switch.h"
31 #include "desktop-handles.h"
32 #include "message-stack.h"
33 #include "sp-item-transform.h"
34 #include "sp-marker.h"
35 #include "sp-use.h"
36 #include "sp-textpath.h"
37 #include "sp-tspan.h"
38 #include "sp-flowtext.h"
39 #include "sp-flowregion.h"
40 #include "text-editing.h"
41 #include "text-context.h"
42 #include "connector-context.h"
43 #include "sp-path.h"
44 #include "sp-conn-end.h"
45 #include "dropper-context.h"
46 #include <glibmm/i18n.h>
47 #include "libnr/nr-matrix-rotate-ops.h"
48 #include "libnr/nr-matrix-translate-ops.h"
49 #include "libnr/nr-rotate-fns.h"
50 #include "libnr/nr-scale-ops.h"
51 #include "libnr/nr-scale-translate-ops.h"
52 #include "libnr/nr-translate-matrix-ops.h"
53 #include "libnr/nr-translate-scale-ops.h"
54 #include "xml/repr.h"
55 #include "style.h"
56 #include "document-private.h"
57 #include "sp-gradient.h"
58 #include "sp-gradient-reference.h"
59 #include "sp-linear-gradient-fns.h"
60 #include "sp-pattern.h"
61 #include "sp-radial-gradient-fns.h"
62 #include "sp-namedview.h"
63 #include "prefs-utils.h"
64 #include "sp-offset.h"
65 #include "sp-clippath.h"
66 #include "sp-mask.h"
67 #include "file.h"
68 #include "helper/png-write.h"
69 #include "layer-fns.h"
70 #include "context-fns.h"
71 #include <map>
72 #include "helper/units.h"
73 #include "sp-item.h"
74 using NR::X;
75 using NR::Y;
77 #include "selection-chemistry.h"
79 /* fixme: find a better place */
80 GSList *clipboard = NULL;
81 GSList *defs_clipboard = NULL;
82 SPCSSAttr *style_clipboard = NULL;
83 NR::Rect size_clipboard(NR::Point(0,0), NR::Point(0,0));
85 static void sp_copy_stuff_used_by_item(GSList **defs_clip, SPItem *item, const GSList *items);
87 void sp_selection_copy_one (Inkscape::XML::Node *repr, NR::Matrix full_t, GSList **clip)
88 {
89 Inkscape::XML::Node *copy = repr->duplicate();
91 // copy complete inherited style
92 SPCSSAttr *css = sp_repr_css_attr_inherited(repr, "style");
93 sp_repr_css_set(copy, css, "style");
94 sp_repr_css_attr_unref(css);
96 // write the complete accummulated transform passed to us
97 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
98 gchar affinestr[80];
99 if (sp_svg_transform_write(affinestr, 79, full_t)) {
100 copy->setAttribute("transform", affinestr);
101 } else {
102 copy->setAttribute("transform", NULL);
103 }
105 *clip = g_slist_prepend(*clip, copy);
106 }
108 void sp_selection_copy_impl (const GSList *items, GSList **clip, GSList **defs_clip, SPCSSAttr **style_clip)
109 {
111 // Copy stuff referenced by all items to defs_clip:
112 if (defs_clip) {
113 for (GSList *i = (GSList *) items; i != NULL; i = i->next) {
114 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (i->data), items);
115 }
116 *defs_clip = g_slist_reverse(*defs_clip);
117 }
119 // Store style:
120 if (style_clip) {
121 SPItem *item = SP_ITEM (items->data); // take from the first selected item
122 *style_clip = take_style_from_item (item);
123 }
125 if (clip) {
126 // Sort items:
127 GSList *sorted_items = g_slist_copy ((GSList *) items);
128 sorted_items = g_slist_sort((GSList *) sorted_items, (GCompareFunc) sp_object_compare_position);
130 // Copy item reprs:
131 for (GSList *i = (GSList *) sorted_items; i != NULL; i = i->next) {
132 sp_selection_copy_one (SP_OBJECT_REPR (i->data), sp_item_i2doc_affine(SP_ITEM (i->data)), clip);
133 }
135 *clip = g_slist_reverse(*clip);
136 g_slist_free ((GSList *) sorted_items);
137 }
138 }
140 /**
141 Add gradients/patterns/markers referenced by copied objects to defs
142 */
143 void
144 paste_defs (GSList **defs_clip, SPDocument *doc)
145 {
146 if (!defs_clip)
147 return;
149 for (GSList *gl = *defs_clip; gl != NULL; gl = gl->next) {
150 SPDefs *defs= (SPDefs *) SP_DOCUMENT_DEFS(doc);
151 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) gl->data;
152 gchar const *id = repr->attribute("id");
153 if (!id || !doc->getObjectById(id)) {
154 Inkscape::XML::Node *copy = repr->duplicate();
155 SP_OBJECT_REPR(defs)->addChild(copy, NULL);
156 Inkscape::GC::release(copy);
157 }
158 }
159 }
161 GSList *sp_selection_paste_impl (SPDocument *document, SPObject *parent, GSList **clip, GSList **defs_clip)
162 {
163 paste_defs (defs_clip, document);
165 GSList *copied = NULL;
166 // add objects to document
167 for (GSList *l = *clip; l != NULL; l = l->next) {
168 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
169 Inkscape::XML::Node *copy = repr->duplicate();
171 // premultiply the item transform by the accumulated parent transform in the paste layer
172 NR::Matrix local = sp_item_i2doc_affine(SP_ITEM(parent));
173 if (!local.test_identity()) {
174 gchar const *t_str = copy->attribute("transform");
175 NR::Matrix item_t (NR::identity());
176 if (t_str)
177 sp_svg_transform_read(t_str, &item_t);
178 item_t *= local.inverse();
179 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
180 gchar affinestr[80];
181 if (sp_svg_transform_write(affinestr, 79, item_t)) {
182 copy->setAttribute("transform", affinestr);
183 } else {
184 copy->setAttribute("transform", NULL);
185 }
186 }
188 parent->appendChildRepr(copy);
189 copied = g_slist_prepend(copied, copy);
190 Inkscape::GC::release(copy);
191 }
192 return copied;
193 }
195 void sp_selection_delete_impl(const GSList *items)
196 {
197 for (const GSList *i = items ; i ; i = i->next ) {
198 sp_object_ref((SPObject *)i->data, NULL);
199 }
200 for (const GSList *i = items; i != NULL; i = i->next) {
201 SPItem *item = (SPItem *) i->data;
202 SP_OBJECT(item)->deleteObject();
203 sp_object_unref((SPObject *)item, NULL);
204 }
205 }
208 void sp_selection_delete()
209 {
210 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
211 if (desktop == NULL) {
212 return;
213 }
215 if (tools_isactive (desktop, TOOLS_TEXT))
216 if (sp_text_delete_selection(desktop->event_context)) {
217 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_TEXT,
218 _("Delete text"));
219 return;
220 }
222 Inkscape::Selection *selection = sp_desktop_selection(desktop);
224 // check if something is selected
225 if (selection->isEmpty()) {
226 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Nothing</b> was deleted."));
227 return;
228 }
230 const GSList *selected = g_slist_copy(const_cast<GSList *>(selection->itemList()));
231 selection->clear();
232 sp_selection_delete_impl (selected);
233 g_slist_free ((GSList *) selected);
235 /* a tool may have set up private information in it's selection context
236 * that depends on desktop items. I think the only sane way to deal with
237 * this currently is to reset the current tool, which will reset it's
238 * associated selection context. For example: deleting an object
239 * while moving it around the canvas.
240 */
241 tools_switch ( desktop, tools_active ( desktop ) );
243 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DELETE,
244 _("Delete"));
245 }
247 /* fixme: sequencing */
248 void sp_selection_duplicate()
249 {
250 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
251 if (desktop == NULL)
252 return;
254 Inkscape::Selection *selection = sp_desktop_selection(desktop);
256 // check if something is selected
257 if (selection->isEmpty()) {
258 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to duplicate."));
259 return;
260 }
262 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
264 selection->clear();
266 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
267 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
269 GSList *newsel = NULL;
271 while (reprs) {
272 Inkscape::XML::Node *parent = ((Inkscape::XML::Node *) reprs->data)->parent();
273 Inkscape::XML::Node *copy = ((Inkscape::XML::Node *) reprs->data)->duplicate();
275 parent->appendChild(copy);
277 newsel = g_slist_prepend(newsel, copy);
278 reprs = g_slist_remove(reprs, reprs->data);
279 Inkscape::GC::release(copy);
280 }
282 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DUPLICATE,
283 _("Duplicate"));
285 selection->setReprList(newsel);
287 g_slist_free(newsel);
288 }
290 void sp_edit_clear_all()
291 {
292 SPDesktop *dt = SP_ACTIVE_DESKTOP;
293 if (!dt)
294 return;
296 SPDocument *doc = sp_desktop_document(dt);
297 sp_desktop_selection(dt)->clear();
299 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
300 GSList *items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
302 while (items) {
303 SP_OBJECT (items->data)->deleteObject();
304 items = g_slist_remove(items, items->data);
305 }
307 sp_document_done(doc, SP_VERB_EDIT_CLEAR_ALL,
308 _("Delete all"));
309 }
311 GSList *
312 get_all_items (GSList *list, SPObject *from, SPDesktop *desktop, bool onlyvisible, bool onlysensitive, const GSList *exclude)
313 {
314 for (SPObject *child = sp_object_first_child(SP_OBJECT(from)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
315 if (SP_IS_ITEM(child) &&
316 !desktop->isLayer(SP_ITEM(child)) &&
317 (!onlysensitive || !SP_ITEM(child)->isLocked()) &&
318 (!onlyvisible || !desktop->itemIsHidden(SP_ITEM(child))) &&
319 (!exclude || !g_slist_find ((GSList *) exclude, child))
320 )
321 {
322 list = g_slist_prepend (list, SP_ITEM(child));
323 }
325 if (SP_IS_ITEM(child) && desktop->isLayer(SP_ITEM(child))) {
326 list = get_all_items (list, child, desktop, onlyvisible, onlysensitive, exclude);
327 }
328 }
330 return list;
331 }
333 void sp_edit_select_all_full (bool force_all_layers, bool invert)
334 {
335 SPDesktop *dt = SP_ACTIVE_DESKTOP;
336 if (!dt)
337 return;
339 Inkscape::Selection *selection = sp_desktop_selection(dt);
341 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
343 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
344 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
345 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
347 GSList *items = NULL;
349 const GSList *exclude = NULL;
350 if (invert) {
351 exclude = selection->itemList();
352 }
354 if (force_all_layers)
355 inlayer = PREFS_SELECTION_ALL;
357 switch (inlayer) {
358 case PREFS_SELECTION_LAYER: {
359 if ( (onlysensitive && SP_ITEM(dt->currentLayer())->isLocked()) ||
360 (onlyvisible && dt->itemIsHidden(SP_ITEM(dt->currentLayer()))) )
361 return;
363 GSList *all_items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
365 for (GSList *i = all_items; i; i = i->next) {
366 SPItem *item = SP_ITEM (i->data);
368 if (item && (!onlysensitive || !item->isLocked())) {
369 if (!onlyvisible || !dt->itemIsHidden(item)) {
370 if (!dt->isLayer(item)) {
371 if (!invert || !g_slist_find ((GSList *) exclude, item)) {
372 items = g_slist_prepend (items, item); // leave it in the list
373 }
374 }
375 }
376 }
377 }
379 g_slist_free (all_items);
380 break;
381 }
382 case PREFS_SELECTION_LAYER_RECURSIVE: {
383 items = get_all_items (NULL, dt->currentLayer(), dt, onlyvisible, onlysensitive, exclude);
384 break;
385 }
386 default: {
387 items = get_all_items (NULL, dt->currentRoot(), dt, onlyvisible, onlysensitive, exclude);
388 break;
389 }
390 }
392 selection->setList (items);
394 if (items) {
395 g_slist_free (items);
396 }
397 }
399 void sp_edit_select_all ()
400 {
401 sp_edit_select_all_full (false, false);
402 }
404 void sp_edit_select_all_in_all_layers ()
405 {
406 sp_edit_select_all_full (true, false);
407 }
409 void sp_edit_invert ()
410 {
411 sp_edit_select_all_full (false, true);
412 }
414 void sp_edit_invert_in_all_layers ()
415 {
416 sp_edit_select_all_full (true, true);
417 }
419 void sp_selection_group()
420 {
421 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
422 if (desktop == NULL)
423 return;
425 SPDocument *document = sp_desktop_document (desktop);
427 Inkscape::Selection *selection = sp_desktop_selection(desktop);
429 // Check if something is selected.
430 if (selection->isEmpty()) {
431 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>two or more objects</b> to group."));
432 return;
433 }
435 GSList const *l = (GSList *) selection->reprList();
437 // Check if at least two objects are selected.
438 if (l->next == NULL) {
439 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>at least two objects</b> to group."));
440 return;
441 }
443 GSList *p = g_slist_copy((GSList *) l);
445 selection->clear();
447 p = g_slist_sort(p, (GCompareFunc) sp_repr_compare_position);
449 // Remember the position and parent of the topmost object.
450 gint topmost = ((Inkscape::XML::Node *) g_slist_last(p)->data)->position();
451 Inkscape::XML::Node *topmost_parent = ((Inkscape::XML::Node *) g_slist_last(p)->data)->parent();
453 Inkscape::XML::Node *group = sp_repr_new("svg:g");
455 while (p) {
456 Inkscape::XML::Node *current = (Inkscape::XML::Node *) p->data;
458 if (current->parent() == topmost_parent) {
459 Inkscape::XML::Node *spnew = current->duplicate();
460 sp_repr_unparent(current);
461 group->appendChild(spnew);
462 Inkscape::GC::release(spnew);
463 topmost --; // only reduce count for those items deleted from topmost_parent
464 } else { // move it to topmost_parent first
465 GSList *temp_clip = NULL;
467 // At this point, current may already have no item, due to its being a clone whose original is already moved away
468 // So we copy it artificially calculating the transform from its repr->attr("transform") and the parent transform
469 gchar const *t_str = current->attribute("transform");
470 NR::Matrix item_t (NR::identity());
471 if (t_str)
472 sp_svg_transform_read(t_str, &item_t);
473 item_t *= sp_item_i2doc_affine(SP_ITEM(document->getObjectByRepr(current->parent())));
474 //FIXME: when moving both clone and original from a transformed group (either by
475 //grouping into another parent, or by cut/paste) the transform from the original's
476 //parent becomes embedded into original itself, and this affects its clones. Fix
477 //this by remembering the transform diffs we write to each item into an array and
478 //then, if this is clone, looking up its original in that array and pre-multiplying
479 //it by the inverse of that original's transform diff.
481 sp_selection_copy_one (current, item_t, &temp_clip);
482 sp_repr_unparent(current);
484 // paste into topmost_parent (temporarily)
485 GSList *copied = sp_selection_paste_impl (document, document->getObjectByRepr(topmost_parent), &temp_clip, NULL);
486 if (temp_clip) g_slist_free (temp_clip);
487 if (copied) { // if success,
488 // take pasted object (now in topmost_parent)
489 Inkscape::XML::Node *in_topmost = (Inkscape::XML::Node *) copied->data;
490 // make a copy
491 Inkscape::XML::Node *spnew = in_topmost->duplicate();
492 // remove pasted
493 sp_repr_unparent(in_topmost);
494 // put its copy into group
495 group->appendChild(spnew);
496 Inkscape::GC::release(spnew);
497 g_slist_free (copied);
498 }
499 }
500 p = g_slist_remove(p, current);
501 }
503 // Add the new group to the topmost members' parent
504 topmost_parent->appendChild(group);
506 // Move to the position of the topmost, reduced by the number of items deleted from topmost_parent
507 group->setPosition(topmost + 1);
509 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_GROUP,
510 _("Group"));
512 selection->set(group);
513 Inkscape::GC::release(group);
514 }
516 void sp_selection_ungroup()
517 {
518 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
519 if (desktop == NULL)
520 return;
522 Inkscape::Selection *selection = sp_desktop_selection(desktop);
524 if (selection->isEmpty()) {
525 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>group</b> to ungroup."));
526 return;
527 }
529 GSList *items = g_slist_copy((GSList *) selection->itemList());
530 selection->clear();
532 // Get a copy of current selection.
533 GSList *new_select = NULL;
534 bool ungrouped = false;
535 for (GSList *i = items;
536 i != NULL;
537 i = i->next)
538 {
539 SPItem *group = (SPItem *) i->data;
541 // when ungrouping cloned groups with their originals, some objects that were selected may no more exist due to unlinking
542 if (!SP_IS_OBJECT(group)) {
543 continue;
544 }
546 /* We do not allow ungrouping <svg> etc. (lauris) */
547 if (strcmp(SP_OBJECT_REPR(group)->name(), "svg:g") && strcmp(SP_OBJECT_REPR(group)->name(), "svg:switch")) {
548 // keep the non-group item in the new selection
549 selection->add(group);
550 continue;
551 }
553 GSList *children = NULL;
554 /* This is not strictly required, but is nicer to rely on group ::destroy (lauris) */
555 sp_item_group_ungroup(SP_GROUP(group), &children, false);
556 ungrouped = true;
557 // Add ungrouped items to the new selection.
558 new_select = g_slist_concat(new_select, children);
559 }
561 if (new_select) { // Set new selection.
562 selection->addList(new_select);
563 g_slist_free(new_select);
564 }
565 if (!ungrouped) {
566 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No groups</b> to ungroup in the selection."));
567 }
569 g_slist_free(items);
571 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_UNGROUP,
572 _("Ungroup"));
573 }
575 static SPGroup *
576 sp_item_list_common_parent_group(const GSList *items)
577 {
578 if (!items) {
579 return NULL;
580 }
581 SPObject *parent = SP_OBJECT_PARENT(items->data);
582 /* Strictly speaking this CAN happen, if user selects <svg> from XML editor */
583 if (!SP_IS_GROUP(parent)) {
584 return NULL;
585 }
586 for (items = items->next; items; items = items->next) {
587 if (SP_OBJECT_PARENT(items->data) != parent) {
588 return NULL;
589 }
590 }
592 return SP_GROUP(parent);
593 }
595 /** Finds out the minimum common bbox of the selected items
596 */
597 NR::Rect
598 enclose_items(const GSList *items)
599 {
600 g_assert(items != NULL);
602 NR::Rect r = sp_item_bbox_desktop((SPItem *) items->data);
604 for (GSList *i = items->next; i; i = i->next) {
605 r = NR::Rect::union_bounds(r, sp_item_bbox_desktop((SPItem *) i->data));
606 }
608 return r;
609 }
611 SPObject *
612 prev_sibling(SPObject *child)
613 {
614 SPObject *parent = SP_OBJECT_PARENT(child);
615 if (!SP_IS_GROUP(parent)) {
616 return NULL;
617 }
618 for ( SPObject *i = sp_object_first_child(parent) ; i; i = SP_OBJECT_NEXT(i) ) {
619 if (i->next == child)
620 return i;
621 }
622 return NULL;
623 }
625 void
626 sp_selection_raise()
627 {
628 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
629 if (!desktop)
630 return;
632 Inkscape::Selection *selection = sp_desktop_selection(desktop);
634 GSList const *items = (GSList *) selection->itemList();
635 if (!items) {
636 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise."));
637 return;
638 }
640 SPGroup const *group = sp_item_list_common_parent_group(items);
641 if (!group) {
642 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
643 return;
644 }
646 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
648 /* construct reverse-ordered list of selected children */
649 GSList *rev = g_slist_copy((GSList *) items);
650 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
652 // find out the common bbox of the selected items
653 NR::Rect selected = enclose_items(items);
655 // for all objects in the selection (starting from top)
656 while (rev) {
657 SPObject *child = SP_OBJECT(rev->data);
658 // for each selected object, find the next sibling
659 for (SPObject *newref = child->next; newref; newref = newref->next) {
660 // if the sibling is an item AND overlaps our selection,
661 if (SP_IS_ITEM(newref) && selected.intersects(sp_item_bbox_desktop(SP_ITEM(newref)))) {
662 // AND if it's not one of our selected objects,
663 if (!g_slist_find((GSList *) items, newref)) {
664 // move the selected object after that sibling
665 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(newref));
666 }
667 break;
668 }
669 }
670 rev = g_slist_remove(rev, child);
671 }
673 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_RAISE,
674 _("Raise"));
675 }
677 void sp_selection_raise_to_top()
678 {
679 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
680 if (desktop == NULL)
681 return;
683 SPDocument *document = sp_desktop_document(desktop);
684 Inkscape::Selection *selection = sp_desktop_selection(desktop);
686 if (selection->isEmpty()) {
687 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise to top."));
688 return;
689 }
691 GSList const *items = (GSList *) selection->itemList();
693 SPGroup const *group = sp_item_list_common_parent_group(items);
694 if (!group) {
695 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
696 return;
697 }
699 GSList *rl = g_slist_copy((GSList *) selection->reprList());
700 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
702 for (GSList *l = rl; l != NULL; l = l->next) {
703 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
704 repr->setPosition(-1);
705 }
707 g_slist_free(rl);
709 sp_document_done(document, SP_VERB_SELECTION_TO_FRONT,
710 _("Raise to top"));
711 }
713 void
714 sp_selection_lower()
715 {
716 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
717 if (desktop == NULL)
718 return;
720 Inkscape::Selection *selection = sp_desktop_selection(desktop);
722 GSList const *items = (GSList *) selection->itemList();
723 if (!items) {
724 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower."));
725 return;
726 }
728 SPGroup const *group = sp_item_list_common_parent_group(items);
729 if (!group) {
730 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
731 return;
732 }
734 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
736 // find out the common bbox of the selected items
737 NR::Rect selected = enclose_items(items);
739 /* construct direct-ordered list of selected children */
740 GSList *rev = g_slist_copy((GSList *) items);
741 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
742 rev = g_slist_reverse(rev);
744 // for all objects in the selection (starting from top)
745 while (rev) {
746 SPObject *child = SP_OBJECT(rev->data);
747 // for each selected object, find the prev sibling
748 for (SPObject *newref = prev_sibling(child); newref; newref = prev_sibling(newref)) {
749 // if the sibling is an item AND overlaps our selection,
750 if (SP_IS_ITEM(newref) && selected.intersects(sp_item_bbox_desktop(SP_ITEM(newref)))) {
751 // AND if it's not one of our selected objects,
752 if (!g_slist_find((GSList *) items, newref)) {
753 // move the selected object before that sibling
754 SPObject *put_after = prev_sibling(newref);
755 if (put_after)
756 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(put_after));
757 else
758 SP_OBJECT_REPR(child)->setPosition(0);
759 }
760 break;
761 }
762 }
763 rev = g_slist_remove(rev, child);
764 }
766 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_LOWER,
767 _("Lower"));
769 }
771 void sp_selection_lower_to_bottom()
772 {
773 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
774 if (desktop == NULL)
775 return;
777 SPDocument *document = sp_desktop_document(desktop);
778 Inkscape::Selection *selection = sp_desktop_selection(desktop);
780 if (selection->isEmpty()) {
781 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower to bottom."));
782 return;
783 }
785 GSList const *items = (GSList *) selection->itemList();
787 SPGroup const *group = sp_item_list_common_parent_group(items);
788 if (!group) {
789 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
790 return;
791 }
793 GSList *rl;
794 rl = g_slist_copy((GSList *) selection->reprList());
795 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
796 rl = g_slist_reverse(rl);
798 for (GSList *l = rl; l != NULL; l = l->next) {
799 gint minpos;
800 SPObject *pp, *pc;
801 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
802 pp = document->getObjectByRepr(sp_repr_parent(repr));
803 minpos = 0;
804 g_assert(SP_IS_GROUP(pp));
805 pc = sp_object_first_child(pp);
806 while (!SP_IS_ITEM(pc)) {
807 minpos += 1;
808 pc = pc->next;
809 }
810 repr->setPosition(minpos);
811 }
813 g_slist_free(rl);
815 sp_document_done(document, SP_VERB_SELECTION_TO_BACK,
816 _("Lower to bottom"));
817 }
819 void
820 sp_undo(SPDesktop *desktop, SPDocument *)
821 {
822 if (!sp_document_undo(sp_desktop_document(desktop)))
823 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to undo."));
824 }
826 void
827 sp_redo(SPDesktop *desktop, SPDocument *)
828 {
829 if (!sp_document_redo(sp_desktop_document(desktop)))
830 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to redo."));
831 }
833 void sp_selection_cut()
834 {
835 sp_selection_copy();
836 sp_selection_delete();
837 }
839 void sp_copy_gradient (GSList **defs_clip, SPGradient *gradient)
840 {
841 SPGradient *ref = gradient;
843 while (ref) {
844 // climb up the refs, copying each one in the chain
845 Inkscape::XML::Node *grad_repr = SP_OBJECT_REPR(ref)->duplicate();
846 *defs_clip = g_slist_prepend (*defs_clip, grad_repr);
848 ref = ref->ref->getObject();
849 }
850 }
852 void sp_copy_pattern (GSList **defs_clip, SPPattern *pattern)
853 {
854 SPPattern *ref = pattern;
856 while (ref) {
857 // climb up the refs, copying each one in the chain
858 Inkscape::XML::Node *pattern_repr = SP_OBJECT_REPR(ref)->duplicate();
859 *defs_clip = g_slist_prepend (*defs_clip, pattern_repr);
861 // items in the pattern may also use gradients and other patterns, so we need to recurse here as well
862 for (SPObject *child = sp_object_first_child(SP_OBJECT(ref)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
863 if (!SP_IS_ITEM (child))
864 continue;
865 sp_copy_stuff_used_by_item (defs_clip, (SPItem *) child, NULL);
866 }
868 ref = ref->ref->getObject();
869 }
870 }
872 void sp_copy_single (GSList **defs_clip, SPObject *thing)
873 {
874 Inkscape::XML::Node *duplicate_repr = SP_OBJECT_REPR(thing)->duplicate();
875 *defs_clip = g_slist_prepend (*defs_clip, duplicate_repr);
876 }
879 void sp_copy_textpath_path (GSList **defs_clip, SPTextPath *tp, const GSList *items)
880 {
881 SPItem *path = sp_textpath_get_path_item (tp);
882 if (!path)
883 return;
884 if (items && g_slist_find ((GSList *) items, path)) // do not copy it to defs if it is already in the list of items copied
885 return;
886 Inkscape::XML::Node *repr = SP_OBJECT_REPR(path)->duplicate();
887 *defs_clip = g_slist_prepend (*defs_clip, repr);
888 }
890 void sp_copy_stuff_used_by_item (GSList **defs_clip, SPItem *item, const GSList *items)
891 {
892 SPStyle *style = SP_OBJECT_STYLE (item);
894 if (style && (style->fill.type == SP_PAINT_TYPE_PAINTSERVER)) {
895 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
896 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
897 sp_copy_gradient (defs_clip, SP_GRADIENT(server));
898 if (SP_IS_PATTERN (server))
899 sp_copy_pattern (defs_clip, SP_PATTERN(server));
900 }
902 if (style && (style->stroke.type == SP_PAINT_TYPE_PAINTSERVER)) {
903 SPObject *server = SP_OBJECT_STYLE_STROKE_SERVER(item);
904 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
905 sp_copy_gradient (defs_clip, SP_GRADIENT(server));
906 if (SP_IS_PATTERN (server))
907 sp_copy_pattern (defs_clip, SP_PATTERN(server));
908 }
910 if (SP_IS_SHAPE (item)) {
911 SPShape *shape = SP_SHAPE (item);
912 for (int i = 0 ; i < SP_MARKER_LOC_QTY ; i++) {
913 if (shape->marker[i]) {
914 sp_copy_single (defs_clip, SP_OBJECT (shape->marker[i]));
915 }
916 }
917 }
919 if (SP_IS_TEXT_TEXTPATH (item)) {
920 sp_copy_textpath_path (defs_clip, SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))), items);
921 }
923 if (item->clip_ref->getObject()) {
924 sp_copy_single (defs_clip, item->clip_ref->getObject());
925 }
927 if (item->mask_ref->getObject()) {
928 SPObject *mask = item->mask_ref->getObject();
929 sp_copy_single (defs_clip, mask);
930 // recurse into the mask for its gradients etc.
931 for (SPObject *o = SP_OBJECT(mask)->children; o != NULL; o = o->next) {
932 if (SP_IS_ITEM(o))
933 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items);
934 }
935 }
937 // recurse
938 for (SPObject *o = SP_OBJECT(item)->children; o != NULL; o = o->next) {
939 if (SP_IS_ITEM(o))
940 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items);
941 }
942 }
944 /**
945 * \pre item != NULL
946 */
947 SPCSSAttr *
948 take_style_from_item (SPItem *item)
949 {
950 // write the complete cascaded style, context-free
951 SPCSSAttr *css = sp_css_attr_from_object (SP_OBJECT(item), SP_STYLE_FLAG_ALWAYS);
952 if (css == NULL)
953 return NULL;
955 if ((SP_IS_GROUP(item) && SP_OBJECT(item)->children) ||
956 (SP_IS_TEXT (item) && SP_OBJECT(item)->children && SP_OBJECT(item)->children->next == NULL)) {
957 // if this is a text with exactly one tspan child, merge the style of that tspan as well
958 // If this is a group, merge the style of its topmost (last) child with style
959 for (SPObject *last_element = item->lastChild(); last_element != NULL; last_element = SP_OBJECT_PREV (last_element)) {
960 if (SP_OBJECT_STYLE (last_element) != NULL) {
961 SPCSSAttr *temp = sp_css_attr_from_object (last_element, SP_STYLE_FLAG_IFSET);
962 if (temp) {
963 sp_repr_css_merge (css, temp);
964 sp_repr_css_attr_unref (temp);
965 }
966 break;
967 }
968 }
969 }
970 if (!(SP_IS_TEXT (item) || SP_IS_TSPAN (item) || SP_IS_STRING (item))) {
971 // do not copy text properties from non-text objects, it's confusing
972 css = sp_css_attr_unset_text (css);
973 }
975 // FIXME: also transform gradient/pattern fills, by forking? NO, this must be nondestructive
976 double ex = NR::expansion(sp_item_i2doc_affine(item));
977 if (ex != 1.0) {
978 css = sp_css_attr_scale (css, ex);
979 }
981 return css;
982 }
985 void sp_selection_copy()
986 {
987 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
988 if (desktop == NULL)
989 return;
991 Inkscape::Selection *selection = sp_desktop_selection(desktop);
993 if (tools_isactive (desktop, TOOLS_DROPPER)) {
994 sp_dropper_context_copy(desktop->event_context);
995 return; // copied color under cursor, nothing else to do
996 }
998 // check if something is selected
999 if (selection->isEmpty()) {
1000 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing was copied."));
1001 return;
1002 }
1004 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1006 // 0. Copy text to system clipboard
1007 // FIXME: for non-texts, put serialized XML as text to the clipboard;
1008 //for this sp_repr_write_stream needs to be rewritten with iostream instead of FILE
1009 Glib::ustring text;
1010 if (tools_isactive (desktop, TOOLS_TEXT)) {
1011 text = sp_text_get_selected_text(desktop->event_context);
1012 }
1014 if (text.empty()) {
1015 guint texts = 0;
1016 for (GSList *i = (GSList *) items; i; i = i->next) {
1017 SPItem *item = SP_ITEM (i->data);
1018 if (SP_IS_TEXT (item) || SP_IS_FLOWTEXT(item)) {
1019 if (texts > 0) // if more than one text object is copied, separate them by spaces
1020 text += " ";
1021 gchar *this_text = sp_te_get_string_multiline (item);
1022 if (this_text) {
1023 text += this_text;
1024 g_free(this_text);
1025 }
1026 texts++;
1027 }
1028 }
1029 }
1030 if (!text.empty()) {
1031 Glib::RefPtr<Gtk::Clipboard> refClipboard = Gtk::Clipboard::get();
1032 refClipboard->set_text(text);
1033 }
1035 // clear old defs clipboard
1036 while (defs_clipboard) {
1037 Inkscape::GC::release((Inkscape::XML::Node *) defs_clipboard->data);
1038 defs_clipboard = g_slist_remove (defs_clipboard, defs_clipboard->data);
1039 }
1041 // clear style clipboard
1042 if (style_clipboard) {
1043 sp_repr_css_attr_unref (style_clipboard);
1044 style_clipboard = NULL;
1045 }
1047 //clear main clipboard
1048 while (clipboard) {
1049 Inkscape::GC::release((Inkscape::XML::Node *) clipboard->data);
1050 clipboard = g_slist_remove(clipboard, clipboard->data);
1051 }
1053 sp_selection_copy_impl (items, &clipboard, &defs_clipboard, &style_clipboard);
1055 if (tools_isactive (desktop, TOOLS_TEXT)) { // take style from cursor/text selection, overwriting the style just set by copy_impl
1056 SPStyle *const query = sp_style_new();
1057 if (sp_desktop_query_style_all (desktop, query)) {
1058 SPCSSAttr *css = sp_css_attr_from_style (query, SP_STYLE_FLAG_ALWAYS);
1059 if (css != NULL) {
1060 // clear style clipboard
1061 if (style_clipboard) {
1062 sp_repr_css_attr_unref (style_clipboard);
1063 style_clipboard = NULL;
1064 }
1065 //sp_repr_css_print (css);
1066 style_clipboard = css;
1067 }
1068 }
1069 g_free (query);
1070 }
1072 size_clipboard = selection->bounds();
1074 g_slist_free ((GSList *) items);
1075 }
1077 void sp_selection_paste(bool in_place)
1078 {
1079 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1081 if (desktop == NULL) {
1082 return;
1083 }
1085 SPDocument *document = sp_desktop_document(desktop);
1087 if (Inkscape::have_viable_layer(desktop, desktop->messageStack()) == false) {
1088 return;
1089 }
1091 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1093 if (tools_isactive (desktop, TOOLS_TEXT)) {
1094 if (sp_text_paste_inline(desktop->event_context))
1095 return; // pasted from system clipboard into text, nothing else to do
1096 }
1098 // check if something is in the clipboard
1099 if (clipboard == NULL) {
1100 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1101 return;
1102 }
1104 GSList *copied = sp_selection_paste_impl(document, desktop->currentLayer(), &clipboard, &defs_clipboard);
1105 // add pasted objects to selection
1106 selection->setReprList((GSList const *) copied);
1107 g_slist_free (copied);
1109 if (!in_place) {
1110 sp_document_ensure_up_to_date(document);
1112 NR::Point m( desktop->point() - selection->bounds().midpoint() );
1114 /* Snap the offset of the new item(s) to the grid */
1115 /* FIXME: this gridsnap fiddling is a hack. */
1116 Inkscape::GridSnapper &s = desktop->namedview->snap_manager.grid;
1117 gdouble const curr_gridsnap = s.getDistance();
1118 s.setDistance(NR_HUGE);
1119 m = s.freeSnap(Inkscape::Snapper::SNAP_POINT, m, NULL).getPoint();
1120 s.setDistance(curr_gridsnap);
1121 sp_selection_move_relative(selection, m);
1122 }
1124 sp_document_done(document, SP_VERB_EDIT_PASTE,
1125 _("Paste"));
1126 }
1128 void sp_selection_paste_style()
1129 {
1130 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1131 if (desktop == NULL) return;
1133 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1135 // check if something is in the clipboard
1136 if (clipboard == NULL) {
1137 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1138 return;
1139 }
1141 // check if something is selected
1142 if (selection->isEmpty()) {
1143 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste style to."));
1144 return;
1145 }
1147 paste_defs (&defs_clipboard, sp_desktop_document(desktop));
1149 sp_desktop_set_style (desktop, style_clipboard);
1151 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_STYLE,
1152 _("Paste style"));
1153 }
1155 void sp_selection_paste_size (bool apply_x, bool apply_y)
1156 {
1157 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1158 if (desktop == NULL) return;
1160 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1162 // check if something is in the clipboard
1163 if (size_clipboard.extent(NR::X) < 1e-6 || size_clipboard.extent(NR::Y) < 1e-6) {
1164 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1165 return;
1166 }
1168 // check if something is selected
1169 if (selection->isEmpty()) {
1170 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
1171 return;
1172 }
1174 NR::Rect current = selection->bounds();
1175 if (current.extent(NR::X) < 1e-6 || current.extent(NR::Y) < 1e-6) {
1176 return;
1177 }
1179 double scale_x = size_clipboard.extent(NR::X) / current.extent(NR::X);
1180 double scale_y = size_clipboard.extent(NR::Y) / current.extent(NR::Y);
1182 sp_selection_scale_relative (selection, current.midpoint(),
1183 NR::scale(
1184 apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
1185 apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
1187 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_SIZE,
1188 _("Paste size"));
1189 }
1191 void sp_selection_paste_size_separately (bool apply_x, bool apply_y)
1192 {
1193 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1194 if (desktop == NULL) return;
1196 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1198 // check if something is in the clipboard
1199 if (size_clipboard.extent(NR::X) < 1e-6 || size_clipboard.extent(NR::Y) < 1e-6) {
1200 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1201 return;
1202 }
1204 // check if something is selected
1205 if (selection->isEmpty()) {
1206 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
1207 return;
1208 }
1210 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1211 SPItem *item = SP_ITEM(l->data);
1213 NR::Rect current = sp_item_bbox_desktop(item);
1214 if (current.extent(NR::X) < 1e-6 || current.extent(NR::Y) < 1e-6) {
1215 continue;
1216 }
1218 double scale_x = size_clipboard.extent(NR::X) / current.extent(NR::X);
1219 double scale_y = size_clipboard.extent(NR::Y) / current.extent(NR::Y);
1221 sp_item_scale_rel (item,
1222 NR::scale(
1223 apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
1224 apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
1226 }
1228 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_SIZE_SEPARATELY,
1229 _("Paste size separately"));
1230 }
1232 void sp_selection_to_next_layer ()
1233 {
1234 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1236 Inkscape::Selection *selection = sp_desktop_selection(dt);
1238 // check if something is selected
1239 if (selection->isEmpty()) {
1240 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer above."));
1241 return;
1242 }
1244 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1246 bool no_more = false; // Set to true, if no more layers above
1247 SPObject *next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer());
1248 if (next) {
1249 GSList *temp_clip = NULL;
1250 sp_selection_copy_impl (items, &temp_clip, NULL, NULL); // we're in the same doc, so no need to copy defs
1251 sp_selection_delete_impl (items);
1252 next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1253 GSList *copied;
1254 if(next) {
1255 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
1256 } else {
1257 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
1258 no_more = true;
1259 }
1260 selection->setReprList((GSList const *) copied);
1261 g_slist_free (copied);
1262 if (temp_clip) g_slist_free (temp_clip);
1263 if (next) dt->setCurrentLayer(next);
1264 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_NEXT,
1265 _("Raise to next layer"));
1266 } else {
1267 no_more = true;
1268 }
1270 if (no_more) {
1271 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers above."));
1272 }
1274 g_slist_free ((GSList *) items);
1275 }
1277 void sp_selection_to_prev_layer ()
1278 {
1279 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1281 Inkscape::Selection *selection = sp_desktop_selection(dt);
1283 // check if something is selected
1284 if (selection->isEmpty()) {
1285 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer below."));
1286 return;
1287 }
1289 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1291 bool no_more = false; // Set to true, if no more layers below
1292 SPObject *next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer());
1293 if (next) {
1294 GSList *temp_clip = NULL;
1295 sp_selection_copy_impl (items, &temp_clip, NULL, NULL); // we're in the same doc, so no need to copy defs
1296 sp_selection_delete_impl (items);
1297 next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1298 GSList *copied;
1299 if(next) {
1300 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
1301 } else {
1302 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
1303 no_more = true;
1304 }
1305 selection->setReprList((GSList const *) copied);
1306 g_slist_free (copied);
1307 if (temp_clip) g_slist_free (temp_clip);
1308 if (next) dt->setCurrentLayer(next);
1309 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_PREV,
1310 _("Lower to previous layer"));
1311 } else {
1312 no_more = true;
1313 }
1315 if (no_more) {
1316 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers below."));
1317 }
1319 g_slist_free ((GSList *) items);
1320 }
1322 /** Apply matrix to the selection. \a set_i2d is normally true, which means objects are in the
1323 original transform, synced with their reprs, and need to jump to the new transform in one go. A
1324 value of set_i2d==false is only used by seltrans when it's dragging objects live (not outlines); in
1325 that case, items are already in the new position, but the repr is in the old, and this function
1326 then simply updates the repr from item->transform.
1327 */
1328 void sp_selection_apply_affine(Inkscape::Selection *selection, NR::Matrix const &affine, bool set_i2d)
1329 {
1330 if (selection->isEmpty())
1331 return;
1333 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1334 SPItem *item = SP_ITEM(l->data);
1336 NR::Point old_center(0,0);
1337 if (set_i2d && item->isCenterSet())
1338 old_center = item->getCenter();
1340 #if 0 /* Re-enable this once persistent guides have a graphical indication.
1341 At the time of writing, this is the only place to re-enable. */
1342 sp_item_update_cns(*item, selection->desktop());
1343 #endif
1345 // we're moving both a clone and its original
1346 bool transform_clone_with_original = (SP_IS_USE(item) && selection->includes( sp_use_get_original (SP_USE(item)) ));
1347 bool transform_textpath_with_path = (SP_IS_TEXT_TEXTPATH(item) && selection->includes( sp_textpath_get_path_item (SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item)))) ));
1348 bool transform_flowtext_with_frame = (SP_IS_FLOWTEXT(item) && selection->includes( SP_FLOWTEXT(item)->get_frame (NULL))); // only the first frame so far
1349 bool transform_offset_with_source = (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) && selection->includes( sp_offset_get_source (SP_OFFSET(item)) );
1351 // If we're moving a connector, we want to detach it
1352 // from shapes that aren't part of the selection, but
1353 // leave it attached if they are
1354 if (cc_item_is_connector(item)) {
1355 SPItem *attItem[2];
1356 SP_PATH(item)->connEndPair.getAttachedItems(attItem);
1358 for (int n = 0; n < 2; ++n) {
1359 if (!selection->includes(attItem[n])) {
1360 sp_conn_end_detach(item, n);
1361 }
1362 }
1363 }
1365 // "clones are unmoved when original is moved" preference
1366 int compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
1367 bool prefs_unmoved = (compensation == SP_CLONE_COMPENSATION_UNMOVED);
1368 bool prefs_parallel = (compensation == SP_CLONE_COMPENSATION_PARALLEL);
1370 // If this is a clone and it's selected along with its original, do not move it; it will feel the
1371 // transform of its original and respond to it itself. Without this, a clone is doubly
1372 // transformed, very unintuitive.
1373 // Same for textpath if we are also doing ANY transform to its path: do not touch textpath,
1374 // letters cannot be squeezed or rotated anyway, they only refill the changed path.
1375 // Same for linked offset if we are also moving its source: do not move it.
1376 if (transform_textpath_with_path || transform_offset_with_source) {
1377 // restore item->transform field from the repr, in case it was changed by seltrans
1378 sp_object_read_attr (SP_OBJECT (item), "transform");
1380 } else if (transform_flowtext_with_frame) {
1381 // apply the inverse of the region's transform to the <use> so that the flow remains
1382 // the same (even though the output itself gets transformed)
1383 for (SPObject *region = item->firstChild() ; region ; region = SP_OBJECT_NEXT(region)) {
1384 if (!SP_IS_FLOWREGION(region) && !SP_IS_FLOWREGIONEXCLUDE(region))
1385 continue;
1386 for (SPObject *use = region->firstChild() ; use ; use = SP_OBJECT_NEXT(use)) {
1387 if (!SP_IS_USE(use)) continue;
1388 sp_item_write_transform(SP_USE(use), SP_OBJECT_REPR(use), item->transform.inverse(), NULL);
1389 }
1390 }
1391 } else if (transform_clone_with_original) {
1392 // We are transforming a clone along with its original. The below matrix juggling is
1393 // necessary to ensure that they transform as a whole, i.e. the clone's induced
1394 // transform and its move compensation are both cancelled out.
1396 // restore item->transform field from the repr, in case it was changed by seltrans
1397 sp_object_read_attr (SP_OBJECT (item), "transform");
1399 // calculate the matrix we need to apply to the clone to cancel its induced transform from its original
1400 NR::Matrix t = matrix_to_desktop (matrix_from_desktop (affine, item), item);
1401 NR::Matrix t_inv = matrix_to_desktop (matrix_from_desktop (affine.inverse(), item), item);
1402 NR::Matrix result = t_inv * item->transform * t;
1404 if ((prefs_parallel || prefs_unmoved) && affine.is_translation()) {
1405 // we need to cancel out the move compensation, too
1407 // find out the clone move, same as in sp_use_move_compensate
1408 NR::Matrix parent = sp_use_get_parent_transform (SP_USE(item));
1409 NR::Matrix clone_move = parent.inverse() * t * parent;
1411 if (prefs_parallel) {
1412 NR::Matrix move = result * clone_move * t_inv;
1413 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move);
1415 } else if (prefs_unmoved) {
1416 if (SP_IS_USE(sp_use_get_original(SP_USE(item))))
1417 clone_move = NR::identity();
1418 NR::Matrix move = result * clone_move;
1419 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move);
1420 }
1422 } else {
1423 // just apply the result
1424 sp_item_write_transform(item, SP_OBJECT_REPR(item), result, &result);
1425 }
1427 } else {
1428 if (set_i2d) {
1429 sp_item_set_i2d_affine(item, sp_item_i2d_affine(item) * affine);
1430 }
1431 sp_item_write_transform(item, SP_OBJECT_REPR(item), item->transform, NULL);
1432 }
1434 // if we're moving the actual object, not just updating the repr, we can transform the
1435 // center by the same matrix (only necessary for non-translations)
1436 if (set_i2d && item->isCenterSet() && !affine.is_translation()) {
1437 item->setCenter(old_center * affine);
1438 SP_OBJECT(item)->updateRepr();
1439 }
1440 }
1441 }
1443 void sp_selection_remove_transform()
1444 {
1445 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1446 if (desktop == NULL)
1447 return;
1449 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1451 GSList const *l = (GSList *) selection->reprList();
1452 while (l != NULL) {
1453 sp_repr_set_attr((Inkscape::XML::Node*)l->data, "transform", NULL);
1454 l = l->next;
1455 }
1457 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_FLATTEN,
1458 _("Remove transform"));
1459 }
1461 void
1462 sp_selection_scale_absolute(Inkscape::Selection *selection,
1463 double const x0, double const x1,
1464 double const y0, double const y1)
1465 {
1466 if (selection->isEmpty())
1467 return;
1469 NR::Rect const bbox(selection->bounds());
1470 if (bbox.isEmpty()) {
1471 return;
1472 }
1474 NR::translate const p2o(-bbox.min());
1476 NR::scale const newSize(x1 - x0,
1477 y1 - y0);
1478 NR::scale const scale( newSize / NR::scale(bbox.dimensions()) );
1479 NR::translate const o2n(x0, y0);
1480 NR::Matrix const final( p2o * scale * o2n );
1482 sp_selection_apply_affine(selection, final);
1483 }
1486 void sp_selection_scale_relative(Inkscape::Selection *selection, NR::Point const &align, NR::scale const &scale)
1487 {
1488 if (selection->isEmpty())
1489 return;
1491 NR::Rect const bbox(selection->bounds());
1493 if (bbox.isEmpty()) {
1494 return;
1495 }
1497 // FIXME: ARBITRARY LIMIT: don't try to scale above 1 Mpx, it won't display properly and will crash sooner or later anyway
1498 if ( bbox.extent(NR::X) * scale[NR::X] > 1e6 ||
1499 bbox.extent(NR::Y) * scale[NR::Y] > 1e6 )
1500 {
1501 return;
1502 }
1504 NR::translate const n2d(-align);
1505 NR::translate const d2n(align);
1506 NR::Matrix const final( n2d * scale * d2n );
1507 sp_selection_apply_affine(selection, final);
1508 }
1510 void
1511 sp_selection_rotate_relative(Inkscape::Selection *selection, NR::Point const ¢er, gdouble const angle_degrees)
1512 {
1513 NR::translate const d2n(center);
1514 NR::translate const n2d(-center);
1515 NR::rotate const rotate(rotate_degrees(angle_degrees));
1516 NR::Matrix const final( NR::Matrix(n2d) * rotate * d2n );
1517 sp_selection_apply_affine(selection, final);
1518 }
1520 void
1521 sp_selection_skew_relative(Inkscape::Selection *selection, NR::Point const &align, double dx, double dy)
1522 {
1523 NR::translate const d2n(align);
1524 NR::translate const n2d(-align);
1525 NR::Matrix const skew(1, dy,
1526 dx, 1,
1527 0, 0);
1528 NR::Matrix const final( n2d * skew * d2n );
1529 sp_selection_apply_affine(selection, final);
1530 }
1532 void sp_selection_move_relative(Inkscape::Selection *selection, NR::Point const &move)
1533 {
1534 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(move)));
1535 }
1537 void sp_selection_move_relative(Inkscape::Selection *selection, double dx, double dy)
1538 {
1539 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(dx, dy)));
1540 }
1543 /**
1544 * \brief sp_selection_rotate_90
1545 *
1546 * This function rotates selected objects 90 degrees clockwise.
1547 *
1548 */
1550 void sp_selection_rotate_90_cw()
1551 {
1552 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1554 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1556 if (selection->isEmpty())
1557 return;
1559 GSList const *l = selection->itemList();
1560 NR::rotate const rot_neg_90(NR::Point(0, -1));
1561 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1562 SPItem *item = SP_ITEM(l2->data);
1563 sp_item_rotate_rel(item, rot_neg_90);
1564 }
1566 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CCW,
1567 _("Rotate 90° CW"));
1568 }
1571 /**
1572 * \brief sp_selection_rotate_90_ccw
1573 *
1574 * This function rotates selected objects 90 degrees counter-clockwise.
1575 *
1576 */
1578 void sp_selection_rotate_90_ccw()
1579 {
1580 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1582 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1584 if (selection->isEmpty())
1585 return;
1587 GSList const *l = selection->itemList();
1588 NR::rotate const rot_neg_90(NR::Point(0, 1));
1589 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1590 SPItem *item = SP_ITEM(l2->data);
1591 sp_item_rotate_rel(item, rot_neg_90);
1592 }
1594 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CW,
1595 _("Rotate 90° CCW"));
1596 }
1598 void
1599 sp_selection_rotate(Inkscape::Selection *selection, gdouble const angle_degrees)
1600 {
1601 if (selection->isEmpty())
1602 return;
1604 NR::Point center = selection->center();
1606 sp_selection_rotate_relative(selection, center, angle_degrees);
1608 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1609 ( ( angle_degrees > 0 )
1610 ? "selector:rotate:ccw"
1611 : "selector:rotate:cw" ),
1612 SP_VERB_CONTEXT_SELECT,
1613 _("Rotate"));
1614 }
1616 /**
1617 \param angle the angle in "angular pixels", i.e. how many visible pixels must move the outermost point of the rotated object
1618 */
1619 void
1620 sp_selection_rotate_screen(Inkscape::Selection *selection, gdouble angle)
1621 {
1622 if (selection->isEmpty())
1623 return;
1625 NR::Rect const bbox(selection->bounds());
1627 NR::Point center = selection->center();
1629 gdouble const zoom = selection->desktop()->current_zoom();
1630 gdouble const zmove = angle / zoom;
1631 gdouble const r = NR::L2(bbox.max() - center);
1633 gdouble const zangle = 180 * atan2(zmove, r) / M_PI;
1635 sp_selection_rotate_relative(selection, center, zangle);
1637 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1638 ( (angle > 0)
1639 ? "selector:rotate:ccw"
1640 : "selector:rotate:cw" ),
1641 SP_VERB_CONTEXT_SELECT,
1642 _("Rotate by pixels"));
1643 }
1645 void
1646 sp_selection_scale(Inkscape::Selection *selection, gdouble grow)
1647 {
1648 if (selection->isEmpty())
1649 return;
1651 NR::Rect const bbox(selection->bounds());
1652 NR::Point const center(bbox.midpoint());
1653 double const max_len = bbox.maxExtent();
1655 // you can't scale "do nizhe pola" (below zero)
1656 if ( max_len + grow <= 1e-3 ) {
1657 return;
1658 }
1660 double const times = 1.0 + grow / max_len;
1661 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1663 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1664 ( (grow > 0)
1665 ? "selector:scale:larger"
1666 : "selector:scale:smaller" ),
1667 SP_VERB_CONTEXT_SELECT,
1668 _("Scale"));
1669 }
1671 void
1672 sp_selection_scale_screen(Inkscape::Selection *selection, gdouble grow_pixels)
1673 {
1674 sp_selection_scale(selection,
1675 grow_pixels / selection->desktop()->current_zoom());
1676 }
1678 void
1679 sp_selection_scale_times(Inkscape::Selection *selection, gdouble times)
1680 {
1681 if (selection->isEmpty())
1682 return;
1684 NR::Point const center(selection->bounds().midpoint());
1685 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1686 sp_document_done(sp_desktop_document(selection->desktop()), SP_VERB_CONTEXT_SELECT,
1687 _("Scale by whole factor"));
1688 }
1690 void
1691 sp_selection_move(gdouble dx, gdouble dy)
1692 {
1693 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1694 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1695 if (selection->isEmpty()) {
1696 return;
1697 }
1699 sp_selection_move_relative(selection, dx, dy);
1701 if (dx == 0) {
1702 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1703 _("Move vertically"));
1704 } else if (dy == 0) {
1705 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1706 _("Move horizontally"));
1707 } else {
1708 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1709 _("Move"));
1710 }
1711 }
1713 void
1714 sp_selection_move_screen(gdouble dx, gdouble dy)
1715 {
1716 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1718 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1719 if (selection->isEmpty()) {
1720 return;
1721 }
1723 // same as sp_selection_move but divide deltas by zoom factor
1724 gdouble const zoom = desktop->current_zoom();
1725 gdouble const zdx = dx / zoom;
1726 gdouble const zdy = dy / zoom;
1727 sp_selection_move_relative(selection, zdx, zdy);
1729 if (dx == 0) {
1730 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1731 _("Nudge vertically by pixels"));
1732 } else if (dy == 0) {
1733 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1734 _("Nudge horizontally by pixels"));
1735 } else {
1736 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1737 _("Move"));
1738 }
1739 }
1741 namespace {
1743 template <typename D>
1744 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1745 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1747 template <typename D>
1748 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items, SPObject *root,
1749 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1751 struct Forward {
1752 typedef SPObject *Iterator;
1754 static Iterator children(SPObject *o) { return sp_object_first_child(o); }
1755 static Iterator siblings_after(SPObject *o) { return SP_OBJECT_NEXT(o); }
1756 static void dispose(Iterator i) {}
1758 static SPObject *object(Iterator i) { return i; }
1759 static Iterator next(Iterator i) { return SP_OBJECT_NEXT(i); }
1760 };
1762 struct Reverse {
1763 typedef GSList *Iterator;
1765 static Iterator children(SPObject *o) {
1766 return make_list(o->firstChild(), NULL);
1767 }
1768 static Iterator siblings_after(SPObject *o) {
1769 return make_list(SP_OBJECT_PARENT(o)->firstChild(), o);
1770 }
1771 static void dispose(Iterator i) {
1772 g_slist_free(i);
1773 }
1775 static SPObject *object(Iterator i) {
1776 return reinterpret_cast<SPObject *>(i->data);
1777 }
1778 static Iterator next(Iterator i) { return i->next; }
1780 private:
1781 static GSList *make_list(SPObject *object, SPObject *limit) {
1782 GSList *list=NULL;
1783 while ( object != limit ) {
1784 list = g_slist_prepend(list, object);
1785 object = SP_OBJECT_NEXT(object);
1786 }
1787 return list;
1788 }
1789 };
1791 }
1793 void
1794 sp_selection_item_next(void)
1795 {
1796 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1797 g_return_if_fail(desktop != NULL);
1798 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1800 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1801 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1802 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1804 SPObject *root;
1805 if (PREFS_SELECTION_ALL != inlayer) {
1806 root = selection->activeContext();
1807 } else {
1808 root = desktop->currentRoot();
1809 }
1811 SPItem *item=next_item_from_list<Forward>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1813 if (item) {
1814 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1815 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1816 scroll_to_show_item(desktop, item);
1817 }
1818 }
1819 }
1821 void
1822 sp_selection_item_prev(void)
1823 {
1824 SPDocument *document = SP_ACTIVE_DOCUMENT;
1825 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1826 g_return_if_fail(document != NULL);
1827 g_return_if_fail(desktop != NULL);
1828 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1830 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1831 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1832 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1834 SPObject *root;
1835 if (PREFS_SELECTION_ALL != inlayer) {
1836 root = selection->activeContext();
1837 } else {
1838 root = desktop->currentRoot();
1839 }
1841 SPItem *item=next_item_from_list<Reverse>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1843 if (item) {
1844 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1845 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1846 scroll_to_show_item(desktop, item);
1847 }
1848 }
1849 }
1851 namespace {
1853 template <typename D>
1854 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items,
1855 SPObject *root, bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1856 {
1857 SPObject *current=root;
1858 while (items) {
1859 SPItem *item=SP_ITEM(items->data);
1860 if ( root->isAncestorOf(item) &&
1861 ( !only_in_viewport || desktop->isWithinViewport(item) ) )
1862 {
1863 current = item;
1864 break;
1865 }
1866 items = items->next;
1867 }
1869 GSList *path=NULL;
1870 while ( current != root ) {
1871 path = g_slist_prepend(path, current);
1872 current = SP_OBJECT_PARENT(current);
1873 }
1875 SPItem *next;
1876 // first, try from the current object
1877 next = next_item<D>(desktop, path, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1878 g_slist_free(path);
1880 if (!next) { // if we ran out of objects, start over at the root
1881 next = next_item<D>(desktop, NULL, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1882 }
1884 return next;
1885 }
1887 template <typename D>
1888 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1889 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1890 {
1891 typename D::Iterator children;
1892 typename D::Iterator iter;
1894 SPItem *found=NULL;
1896 if (path) {
1897 SPObject *object=reinterpret_cast<SPObject *>(path->data);
1898 g_assert(SP_OBJECT_PARENT(object) == root);
1899 if (desktop->isLayer(object)) {
1900 found = next_item<D>(desktop, path->next, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1901 }
1902 iter = children = D::siblings_after(object);
1903 } else {
1904 iter = children = D::children(root);
1905 }
1907 while ( iter && !found ) {
1908 SPObject *object=D::object(iter);
1909 if (desktop->isLayer(object)) {
1910 if (PREFS_SELECTION_LAYER != inlayer) { // recurse into sublayers
1911 found = next_item<D>(desktop, NULL, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1912 }
1913 } else if ( SP_IS_ITEM(object) &&
1914 ( !only_in_viewport || desktop->isWithinViewport(SP_ITEM(object)) ) &&
1915 ( !onlyvisible || !desktop->itemIsHidden(SP_ITEM(object))) &&
1916 ( !onlysensitive || !SP_ITEM(object)->isLocked()) &&
1917 !desktop->isLayer(SP_ITEM(object)) )
1918 {
1919 found = SP_ITEM(object);
1920 }
1921 iter = D::next(iter);
1922 }
1924 D::dispose(children);
1926 return found;
1927 }
1929 }
1931 /**
1932 * If \a item is not entirely visible then adjust visible area to centre on the centre on of
1933 * \a item.
1934 */
1935 void scroll_to_show_item(SPDesktop *desktop, SPItem *item)
1936 {
1937 NR::Rect dbox = desktop->get_display_area();
1938 NR::Rect sbox = sp_item_bbox_desktop(item);
1940 if (dbox.contains(sbox) == false) {
1941 NR::Point const s_dt = sbox.midpoint();
1942 NR::Point const s_w = desktop->d2w(s_dt);
1943 NR::Point const d_dt = dbox.midpoint();
1944 NR::Point const d_w = desktop->d2w(d_dt);
1945 NR::Point const moved_w( d_w - s_w );
1946 gint const dx = (gint) moved_w[X];
1947 gint const dy = (gint) moved_w[Y];
1948 desktop->scroll_world(dx, dy);
1949 }
1950 }
1953 void
1954 sp_selection_clone()
1955 {
1956 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1957 if (desktop == NULL)
1958 return;
1960 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1962 // check if something is selected
1963 if (selection->isEmpty()) {
1964 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object</b> to clone."));
1965 return;
1966 }
1968 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
1970 selection->clear();
1972 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
1973 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
1975 GSList *newsel = NULL;
1977 while (reprs) {
1978 Inkscape::XML::Node *sel_repr = (Inkscape::XML::Node *) reprs->data;
1979 Inkscape::XML::Node *parent = sp_repr_parent(sel_repr);
1981 Inkscape::XML::Node *clone = sp_repr_new("svg:use");
1982 sp_repr_set_attr(clone, "x", "0");
1983 sp_repr_set_attr(clone, "y", "0");
1984 sp_repr_set_attr(clone, "xlink:href", g_strdup_printf("#%s", sel_repr->attribute("id")));
1986 sp_repr_set_attr(clone, "inkscape:transform-center-x", sel_repr->attribute("inkscape:transform-center-x"));
1987 sp_repr_set_attr(clone, "inkscape:transform-center-y", sel_repr->attribute("inkscape:transform-center-y"));
1989 // add the new clone to the top of the original's parent
1990 parent->appendChild(clone);
1992 newsel = g_slist_prepend(newsel, clone);
1993 reprs = g_slist_remove(reprs, sel_repr);
1994 Inkscape::GC::release(clone);
1995 }
1997 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_CLONE,
1998 _("Clone"));
2000 selection->setReprList(newsel);
2002 g_slist_free(newsel);
2003 }
2005 void
2006 sp_selection_unlink()
2007 {
2008 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2009 if (!desktop)
2010 return;
2012 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2014 if (selection->isEmpty()) {
2015 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>clone</b> to unlink."));
2016 return;
2017 }
2019 // Get a copy of current selection.
2020 GSList *new_select = NULL;
2021 bool unlinked = false;
2022 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2023 items != NULL;
2024 items = items->next)
2025 {
2026 SPItem *use = (SPItem *) items->data;
2028 if (!SP_IS_USE(use)) {
2029 // keep the non-yse item in the new selection
2030 new_select = g_slist_prepend(new_select, use);
2031 continue;
2032 }
2034 SPItem *unlink = sp_use_unlink(SP_USE(use));
2035 unlinked = true;
2036 // Add ungrouped items to the new selection.
2037 new_select = g_slist_prepend(new_select, unlink);
2038 }
2040 if (new_select) { // set new selection
2041 selection->clear();
2042 selection->setList(new_select);
2043 g_slist_free(new_select);
2044 }
2045 if (!unlinked) {
2046 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No clones to unlink</b> in the selection."));
2047 }
2049 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNLINK_CLONE,
2050 _("Unlink clone"));
2051 }
2053 void
2054 sp_select_clone_original()
2055 {
2056 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2057 if (desktop == NULL)
2058 return;
2060 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2062 SPItem *item = selection->singleItem();
2064 const gchar *error = _("Select a <b>clone</b> to go to its original. Select a <b>linked offset</b> to go to its source. Select a <b>text on path</b> to go to the path. Select a <b>flowed text</b> to go to its frame.");
2066 // Check if other than two objects are selected
2067 if (g_slist_length((GSList *) selection->itemList()) != 1 || !item) {
2068 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2069 return;
2070 }
2072 SPItem *original = NULL;
2073 if (SP_IS_USE(item)) {
2074 original = sp_use_get_original (SP_USE(item));
2075 } else if (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) {
2076 original = sp_offset_get_source (SP_OFFSET(item));
2077 } else if (SP_IS_TEXT_TEXTPATH(item)) {
2078 original = sp_textpath_get_path_item (SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))));
2079 } else if (SP_IS_FLOWTEXT(item)) {
2080 original = SP_FLOWTEXT(item)->get_frame (NULL); // first frame only
2081 } else { // it's an object that we don't know what to do with
2082 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2083 return;
2084 }
2086 if (!original) {
2087 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>Cannot find</b> the object to select (orphaned clone, offset, textpath, flowed text?)"));
2088 return;
2089 }
2091 for (SPObject *o = original; o && !SP_IS_ROOT(o); o = SP_OBJECT_PARENT (o)) {
2092 if (SP_IS_DEFS (o)) {
2093 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("The object you're trying to select is <b>not visible</b> (it is in <defs>)"));
2094 return;
2095 }
2096 }
2098 if (original) {
2099 selection->clear();
2100 selection->set(original);
2101 if (SP_CYCLING == SP_CYCLE_FOCUS) {
2102 scroll_to_show_item(desktop, original);
2103 }
2104 }
2105 }
2107 void
2108 sp_selection_tile(bool apply)
2109 {
2110 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2111 if (desktop == NULL)
2112 return;
2114 SPDocument *document = sp_desktop_document(desktop);
2116 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2118 // check if something is selected
2119 if (selection->isEmpty()) {
2120 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to pattern."));
2121 return;
2122 }
2124 sp_document_ensure_up_to_date(document);
2125 NR::Rect r = selection->bounds();
2126 if (r.isEmpty()) {
2127 return;
2128 }
2130 // calculate the transform to be applied to objects to move them to 0,0
2131 NR::Point move_p = NR::Point(0, sp_document_height(document)) - (r.min() + NR::Point (0, r.extent(NR::Y)));
2132 move_p[NR::Y] = -move_p[NR::Y];
2133 NR::Matrix move = NR::Matrix (NR::translate (move_p));
2135 GSList *items = g_slist_copy((GSList *) selection->itemList());
2137 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2139 // bottommost object, after sorting
2140 SPObject *parent = SP_OBJECT_PARENT (items->data);
2142 // remember the position of the first item
2143 gint pos = SP_OBJECT_REPR (items->data)->position();
2145 // create a list of duplicates
2146 GSList *repr_copies = NULL;
2147 for (GSList *i = items; i != NULL; i = i->next) {
2148 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2149 repr_copies = g_slist_prepend (repr_copies, dup);
2150 }
2152 NR::Rect bounds(desktop->dt2doc(r.min()), desktop->dt2doc(r.max()));
2154 if (apply) {
2155 // delete objects so that their clones don't get alerted; this object will be restored shortly
2156 for (GSList *i = items; i != NULL; i = i->next) {
2157 SPObject *item = SP_OBJECT (i->data);
2158 item->deleteObject (false);
2159 }
2160 }
2162 // Hack: Temporarily set clone compensation to unmoved, so that we can move clone-originals
2163 // without disturbing clones.
2164 // See ActorAlign::on_button_click() in src/ui/dialog/align-and-distribute.cpp
2165 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2166 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2168 const gchar *pat_id = pattern_tile (repr_copies, bounds, document,
2169 NR::Matrix(NR::translate(desktop->dt2doc(NR::Point(r.min()[NR::X], r.max()[NR::Y])))), move);
2171 // restore compensation setting
2172 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
2174 if (apply) {
2175 Inkscape::XML::Node *rect = sp_repr_new ("svg:rect");
2176 rect->setAttribute("style", g_strdup_printf("stroke:none;fill:url(#%s)", pat_id));
2177 sp_repr_set_svg_double(rect, "width", bounds.extent(NR::X));
2178 sp_repr_set_svg_double(rect, "height", bounds.extent(NR::Y));
2179 sp_repr_set_svg_double(rect, "x", bounds.min()[NR::X]);
2180 sp_repr_set_svg_double(rect, "y", bounds.min()[NR::Y]);
2182 // restore parent and position
2183 SP_OBJECT_REPR (parent)->appendChild(rect);
2184 rect->setPosition(pos > 0 ? pos : 0);
2185 SPItem *rectangle = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(rect);
2187 Inkscape::GC::release(rect);
2189 selection->clear();
2190 selection->set(rectangle);
2191 }
2193 g_slist_free (items);
2195 sp_document_done (document, SP_VERB_EDIT_TILE,
2196 _("Objects to pattern"));
2197 }
2199 void
2200 sp_selection_untile()
2201 {
2202 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2203 if (desktop == NULL)
2204 return;
2206 SPDocument *document = sp_desktop_document(desktop);
2208 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2210 // check if something is selected
2211 if (selection->isEmpty()) {
2212 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object with pattern fill</b> to extract objects from."));
2213 return;
2214 }
2216 GSList *new_select = NULL;
2218 bool did = false;
2220 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2221 items != NULL;
2222 items = items->next) {
2224 SPItem *item = (SPItem *) items->data;
2226 SPStyle *style = SP_OBJECT_STYLE (item);
2228 if (!style || style->fill.type != SP_PAINT_TYPE_PAINTSERVER)
2229 continue;
2231 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
2233 if (!SP_IS_PATTERN(server))
2234 continue;
2236 did = true;
2238 SPPattern *pattern = pattern_getroot (SP_PATTERN (server));
2240 NR::Matrix pat_transform = pattern_patternTransform (SP_PATTERN (server));
2241 pat_transform *= item->transform;
2243 for (SPObject *child = sp_object_first_child(SP_OBJECT(pattern)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2244 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate();
2245 SPItem *i = SP_ITEM (desktop->currentLayer()->appendChildRepr(copy));
2247 // FIXME: relink clones to the new canvas objects
2248 // use SPObject::setid when mental finishes it to steal ids of
2250 // this is needed to make sure the new item has curve (simply requestDisplayUpdate does not work)
2251 sp_document_ensure_up_to_date (document);
2253 NR::Matrix transform( i->transform * pat_transform );
2254 sp_item_write_transform(i, SP_OBJECT_REPR(i), transform);
2256 new_select = g_slist_prepend(new_select, i);
2257 }
2259 SPCSSAttr *css = sp_repr_css_attr_new ();
2260 sp_repr_css_set_property (css, "fill", "none");
2261 sp_repr_css_change (SP_OBJECT_REPR (item), css, "style");
2262 }
2264 if (!did) {
2265 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No pattern fills</b> in the selection."));
2266 } else {
2267 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNTILE,
2268 _("Pattern to objects"));
2269 selection->setList(new_select);
2270 }
2271 }
2273 void
2274 sp_selection_create_bitmap_copy ()
2275 {
2276 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2277 if (desktop == NULL)
2278 return;
2280 SPDocument *document = sp_desktop_document(desktop);
2282 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2284 // check if something is selected
2285 if (selection->isEmpty()) {
2286 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to make a bitmap copy."));
2287 return;
2288 }
2290 // Get the bounding box of the selection
2291 NRRect bbox;
2292 sp_document_ensure_up_to_date (document);
2293 selection->bounds(&bbox);
2294 if (NR_RECT_DFLS_TEST_EMPTY(&bbox)) {
2295 return; // exceptional situation, so not bother with a translatable error message, just quit quietly
2296 }
2298 // List of the items to show; all others will be hidden
2299 GSList *items = g_slist_copy ((GSList *) selection->itemList());
2301 // Sort items so that the topmost comes last
2302 items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);
2304 // Generate a random value from the current time (you may create bitmap from the same object(s)
2305 // multiple times, and this is done so that they don't clash)
2306 GTimeVal cu;
2307 g_get_current_time (&cu);
2308 guint current = (int) (cu.tv_sec * 1000000 + cu.tv_usec) % 1024;
2310 // Create the filename
2311 gchar *filename = g_strdup_printf ("%s-%s-%u.png", document->name, SP_OBJECT_REPR(items->data)->attribute("id"), current);
2312 // Imagemagick is known not to handle spaces in filenames, so we replace anything but letters,
2313 // digits, and a few other chars, with "_"
2314 filename = g_strcanon (filename, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.=+~$#@^&!?", '_');
2315 // Build the complete path by adding document->base if set
2316 gchar *filepath = g_build_filename (document->base?document->base:"", filename, NULL);
2318 //g_print ("%s\n", filepath);
2320 // Remember parent and z-order of the topmost one
2321 gint pos = SP_OBJECT_REPR(g_slist_last(items)->data)->position();
2322 SPObject *parent_object = SP_OBJECT_PARENT(g_slist_last(items)->data);
2323 Inkscape::XML::Node *parent = SP_OBJECT_REPR(parent_object);
2325 // Calculate resolution
2326 double res;
2327 int const prefs_res = prefs_get_int_attribute ("options.createbitmap", "resolution", 0);
2328 if (0 < prefs_res) {
2329 // If it's given explicitly in prefs, take it
2330 res = prefs_res;
2331 } else {
2332 // Otherwise look up minimum bitmap size (default 250 pixels) and calculate resolution from it
2333 int const prefs_min = prefs_get_int_attribute ("options.createbitmap", "minsize", 250);
2334 res = prefs_min / MIN ((bbox.x1 - bbox.x0), (bbox.y1 - bbox.y0));
2335 }
2337 // The width and height of the bitmap in pixels
2338 unsigned width = (unsigned) floor ((bbox.x1 - bbox.x0) * res);
2339 unsigned height =(unsigned) floor ((bbox.y1 - bbox.y0) * res);
2341 // Find out if we have to run a filter
2342 const gchar *run = NULL;
2343 const gchar *filter = prefs_get_string_attribute ("options.createbitmap", "filter");
2344 if (filter) {
2345 // filter command is given;
2346 // see if we have a parameter to pass to it
2347 const gchar *param1 = prefs_get_string_attribute ("options.createbitmap", "filter_param1");
2348 if (param1) {
2349 if (param1[strlen(param1) - 1] == '%') {
2350 // if the param string ends with %, interpret it as a percentage of the image's max dimension
2351 gchar p1[256];
2352 g_ascii_dtostr (p1, 256, ceil (g_ascii_strtod (param1, NULL) * MAX(width, height) / 100));
2353 // the first param is always the image filename, the second is param1
2354 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, p1);
2355 } else {
2356 // otherwise pass the param1 unchanged
2357 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, param1);
2358 }
2359 } else {
2360 // run without extra parameter
2361 run = g_strdup_printf ("%s \"%s\"", filter, filepath);
2362 }
2363 }
2365 // Calculate the matrix that will be applied to the image so that it exactly overlaps the source objects
2366 NR::Matrix eek = sp_item_i2d_affine (SP_ITEM(parent_object));
2367 NR::Matrix t = NR::scale (1/res, -1/res) * NR::translate (bbox.x0, bbox.y1) * eek.inverse();
2369 // Do the export
2370 sp_export_png_file(document, filepath,
2371 bbox.x0, bbox.y0, bbox.x1, bbox.y1,
2372 width, height, res, res,
2373 (guint32) 0xffffff00,
2374 NULL, NULL,
2375 true, /*bool force_overwrite,*/
2376 items);
2378 g_slist_free (items);
2380 // Run filter, if any
2381 if (run) {
2382 g_print ("Running external filter: %s\n", run);
2383 system (run);
2384 }
2386 // Import the image back
2387 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filepath, NULL);
2388 if (pb) {
2389 // Create the repr for the image
2390 Inkscape::XML::Node * repr = sp_repr_new ("svg:image");
2391 repr->setAttribute("xlink:href", filename);
2392 repr->setAttribute("sodipodi:absref", filepath);
2393 sp_repr_set_svg_double(repr, "width", gdk_pixbuf_get_width(pb));
2394 sp_repr_set_svg_double(repr, "height", gdk_pixbuf_get_height(pb));
2396 // Write transform
2397 gchar c[256];
2398 if (sp_svg_transform_write(c, 256, t)) {
2399 repr->setAttribute("transform", c);
2400 }
2402 // add the new repr to the parent
2403 parent->appendChild(repr);
2405 // move to the saved position
2406 repr->setPosition(pos > 0 ? pos + 1 : 1);
2408 // Set selection to the new image
2409 selection->clear();
2410 selection->add(repr);
2412 // Clean up
2413 Inkscape::GC::release(repr);
2414 gdk_pixbuf_unref (pb);
2416 // Complete undoable transaction
2417 sp_document_done (document, SP_VERB_SELECTION_CREATE_BITMAP,
2418 _("Create bitmap"));
2419 }
2421 g_free (filename);
2422 g_free (filepath);
2423 }
2425 /**
2426 * \brief sp_selection_set_mask
2427 *
2428 * This function creates a mask or clipPath from selection
2429 * Two different modes:
2430 * if applyToLayer, all selection is moved to DEFS as mask/clippath
2431 * and is applied to current layer
2432 * otherwise, topmost object is used as mask for other objects
2433 * If \a apply_clip_path parameter is true, clipPath is created, otherwise mask
2434 *
2435 */
2436 void
2437 sp_selection_set_mask(bool apply_clip_path, bool apply_to_layer)
2438 {
2439 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2440 if (desktop == NULL)
2441 return;
2443 SPDocument *document = sp_desktop_document(desktop);
2445 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2447 // check if something is selected
2448 bool is_empty = selection->isEmpty();
2449 if ( apply_to_layer && is_empty) {
2450 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to create clippath or mask from."));
2451 return;
2452 } else if (!apply_to_layer && ( is_empty || NULL == selection->itemList()->next )) {
2453 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select mask object and <b>object(s)</b> to apply clippath or mask to."));
2454 return;
2455 }
2457 sp_document_ensure_up_to_date(document);
2459 GSList *items = g_slist_copy((GSList *) selection->itemList());
2461 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2463 // create a list of duplicates
2464 GSList *mask_items = NULL;
2465 GSList *apply_to_items = NULL;
2466 bool topmost = prefs_get_int_attribute ("options.maskobject", "topmost", 1);
2467 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2469 if (apply_to_layer) {
2470 // all selected items are used for mask, which is applied to a layer
2471 apply_to_items = g_slist_prepend (apply_to_items, desktop->currentLayer());
2473 for (GSList *i = items; i != NULL; i = i->next) {
2474 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2475 mask_items = g_slist_prepend (mask_items, dup);
2477 if (remove_original) {
2478 SPObject *item = SP_OBJECT (i->data);
2479 item->deleteObject (false);
2480 }
2481 }
2482 } else if (!topmost) {
2483 // topmost item is used as a mask, which is applied to other items in a selection
2484 GSList *i = items;
2485 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2486 mask_items = g_slist_prepend (mask_items, dup);
2488 if (remove_original) {
2489 SPObject *item = SP_OBJECT (i->data);
2490 item->deleteObject (false);
2491 }
2493 for (i = i->next; i != NULL; i = i->next) {
2494 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2495 }
2496 } else {
2497 GSList *i = NULL;
2498 for (i = items; NULL != i->next; i = i->next) {
2499 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2500 }
2502 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2503 mask_items = g_slist_prepend (mask_items, dup);
2505 if (remove_original) {
2506 SPObject *item = SP_OBJECT (i->data);
2507 item->deleteObject (false);
2508 }
2509 }
2511 g_slist_free (items);
2512 items = NULL;
2514 gchar const* attributeName = apply_clip_path ? "clip-path" : "mask";
2515 for (GSList *i = apply_to_items; NULL != i; i = i->next) {
2516 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2517 // inverted object transform should be applied to a mask object,
2518 // as mask is calculated in user space (after applying transform)
2519 NR::Matrix maskTransform (item->transform.inverse());
2521 GSList *mask_items_dup = NULL;
2522 for (GSList *mask_item = mask_items; NULL != mask_item; mask_item = mask_item->next) {
2523 Inkscape::XML::Node *dup = reinterpret_cast<Inkscape::XML::Node *>(mask_item->data)->duplicate();
2524 mask_items_dup = g_slist_prepend (mask_items_dup, dup);
2525 }
2527 const gchar *mask_id = NULL;
2528 if (apply_clip_path) {
2529 mask_id = sp_clippath_create(mask_items_dup, document, &maskTransform);
2530 } else {
2531 mask_id = sp_mask_create(mask_items_dup, document, &maskTransform);
2532 }
2534 g_slist_free (mask_items_dup);
2535 mask_items_dup = NULL;
2537 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, g_strdup_printf("url(#%s)", mask_id));
2538 }
2540 g_slist_free (mask_items);
2541 g_slist_free (apply_to_items);
2543 if (apply_clip_path)
2544 sp_document_done (document, SP_VERB_OBJECT_SET_CLIPPATH, _("Set clipping path"));
2545 else
2546 sp_document_done (document, SP_VERB_OBJECT_SET_MASK, _("Set mask"));
2547 }
2549 void sp_selection_unset_mask(bool apply_clip_path) {
2550 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2551 if (desktop == NULL)
2552 return;
2554 SPDocument *document = sp_desktop_document(desktop);
2555 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2557 // check if something is selected
2558 if (selection->isEmpty()) {
2559 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove clippath or mask from."));
2560 return;
2561 }
2563 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2564 sp_document_ensure_up_to_date(document);
2566 gchar const* attributeName = apply_clip_path ? "clip-path" : "mask";
2567 std::map<SPObject*,SPItem*> referenced_objects;
2568 for (GSList const*i = selection->itemList(); NULL != i; i = i->next) {
2569 if (remove_original) {
2570 // remember referenced mask/clippath, so orphaned masks can be moved back to document
2571 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2572 Inkscape::URIReference *uri_ref = NULL;
2574 if (apply_clip_path) {
2575 uri_ref = item->clip_ref;
2576 } else {
2577 uri_ref = item->mask_ref;
2578 }
2580 // collect distinct mask object (and associate with item to apply transform)
2581 if (NULL != uri_ref && NULL != uri_ref->getObject()) {
2582 referenced_objects[uri_ref->getObject()] = item;
2583 }
2584 }
2586 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, "none");
2587 }
2589 // restore mask objects into a document
2590 for ( std::map<SPObject*,SPItem*>::iterator it = referenced_objects.begin() ; it != referenced_objects.end() ; ++it) {
2591 SPObject *obj = (*it).first;
2592 GSList *items_to_move = NULL;
2593 for (SPObject *child = sp_object_first_child(obj) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2594 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate();
2595 items_to_move = g_slist_prepend (items_to_move, copy);
2596 }
2598 if (!obj->isReferenced()) {
2599 // delete from defs if no other object references this mask
2600 obj->deleteObject(false);
2601 }
2603 // remember parent and position of the item to which the clippath/mask was applied
2604 Inkscape::XML::Node *parent = SP_OBJECT_REPR((*it).second)->parent();
2605 gint pos = SP_OBJECT_REPR((*it).second)->position();
2607 for (GSList *i = items_to_move; NULL != i; i = i->next) {
2608 Inkscape::XML::Node *repr = (Inkscape::XML::Node *)i->data;
2610 // insert into parent, restore pos
2611 parent->appendChild(repr);
2612 repr->setPosition((pos + 1) > 0 ? (pos + 1) : 0);
2614 SPItem *mask_item = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(repr);
2615 selection->add(repr);
2617 // transform mask, so it is moved the same spot where mask was applied
2618 NR::Matrix transform (mask_item->transform);
2619 transform *= (*it).second->transform;
2620 sp_item_write_transform(mask_item, SP_OBJECT_REPR(mask_item), transform);
2621 }
2623 g_slist_free (items_to_move);
2624 }
2626 if (apply_clip_path)
2627 sp_document_done (document, SP_VERB_OBJECT_UNSET_CLIPPATH, _("Release clipping path"));
2628 else
2629 sp_document_done (document, SP_VERB_OBJECT_UNSET_MASK, _("Release mask"));
2630 }
2632 void fit_canvas_to_selection(SPDesktop *desktop) {
2633 g_return_if_fail(desktop != NULL);
2634 SPDocument *doc = sp_desktop_document(desktop);
2636 g_return_if_fail(doc != NULL);
2637 g_return_if_fail(desktop->selection != NULL);
2638 g_return_if_fail(!desktop->selection->isEmpty());
2639 NRRect bbox = {0,0,0,0};
2641 desktop->selection->bounds(&bbox);
2642 if (!empty(bbox)) {
2643 doc->fitToRect(bbox);
2644 }
2645 };
2647 void fit_canvas_to_drawing(SPDocument *doc) {
2648 g_return_if_fail(doc != NULL);
2649 NRRect bbox = {0,0,0,0};
2651 sp_document_ensure_up_to_date (doc);
2652 sp_item_invoke_bbox(SP_ITEM(doc->root), &bbox, sp_item_i2r_affine(SP_ITEM(doc->root)), TRUE);
2654 if (!empty(bbox)) {
2655 doc->fitToRect(bbox);
2656 }
2657 };
2659 void fit_canvas_to_selection_or_drawing(SPDesktop *desktop) {
2660 g_return_if_fail(desktop != NULL);
2661 SPDocument *doc = sp_desktop_document(desktop);
2663 g_return_if_fail(doc != NULL);
2664 g_return_if_fail(desktop->selection != NULL);
2666 if (desktop->selection->isEmpty()) {
2667 fit_canvas_to_drawing(doc);
2668 } else {
2669 fit_canvas_to_selection(desktop);
2670 }
2672 sp_document_done(doc, SP_VERB_FIT_CANVAS_TO_DRAWING,
2673 _("Fit page to selection"));
2674 };
2676 /*
2677 Local Variables:
2678 mode:c++
2679 c-file-style:"stroustrup"
2680 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
2681 indent-tabs-mode:nil
2682 fill-column:99
2683 End:
2684 */
2685 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :