1 #define __SP_SELECTION_CHEMISTRY_C__
3 /** @file
4 * @brief 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 "selection-chemistry.h"
25 #include <gtkmm/clipboard.h>
27 #include "svg/svg.h"
28 #include "desktop.h"
29 #include "desktop-style.h"
30 #include "dir-util.h"
31 #include "selection.h"
32 #include "tools-switch.h"
33 #include "desktop-handles.h"
34 #include "message-stack.h"
35 #include "sp-item-transform.h"
36 #include "marker.h"
37 #include "sp-use.h"
38 #include "sp-textpath.h"
39 #include "sp-tspan.h"
40 #include "sp-tref.h"
41 #include "sp-flowtext.h"
42 #include "sp-flowregion.h"
43 #include "text-editing.h"
44 #include "text-context.h"
45 #include "connector-context.h"
46 #include "sp-path.h"
47 #include "sp-conn-end.h"
48 #include "dropper-context.h"
49 #include <glibmm/i18n.h>
50 #include "libnr/nr-matrix-rotate-ops.h"
51 #include "libnr/nr-matrix-translate-ops.h"
52 #include "libnr/nr-scale-ops.h"
53 #include <libnr/nr-matrix-ops.h>
54 #include <2geom/transforms.h>
55 #include "xml/repr.h"
56 #include "xml/rebase-hrefs.h"
57 #include "style.h"
58 #include "document-private.h"
59 #include "sp-gradient.h"
60 #include "sp-gradient-reference.h"
61 #include "sp-linear-gradient-fns.h"
62 #include "sp-pattern.h"
63 #include "sp-radial-gradient-fns.h"
64 #include "sp-namedview.h"
65 #include "preferences.h"
66 #include "sp-offset.h"
67 #include "sp-clippath.h"
68 #include "sp-mask.h"
69 #include "file.h"
70 #include "helper/png-write.h"
71 #include "layer-fns.h"
72 #include "context-fns.h"
73 #include <map>
74 #include <cstring>
75 #include <string>
76 #include "helper/units.h"
77 #include "sp-item.h"
78 #include "box3d.h"
79 #include "persp3d.h"
80 #include "unit-constants.h"
81 #include "xml/simple-document.h"
82 #include "sp-filter-reference.h"
83 #include "gradient-drag.h"
84 #include "uri-references.h"
85 #include "libnr/nr-convert2geom.h"
86 #include "display/curve.h"
87 #include "display/canvas-bpath.h"
88 #include "inkscape-private.h"
90 // For clippath editing
91 #include "tools-switch.h"
92 #include "shape-editor.h"
93 #include "node-context.h"
94 #include "nodepath.h"
96 #include "ui/clipboard.h"
98 using Geom::X;
99 using Geom::Y;
101 /* The clipboard handling is in ui/clipboard.cpp now. There are some legacy functions left here,
102 because the layer manipulation code uses them. It should be rewritten specifically
103 for that purpose. */
105 /**
106 * Copies repr and its inherited css style elements, along with the accumulated transform 'full_t',
107 * then prepends the copy to 'clip'.
108 */
109 void sp_selection_copy_one(Inkscape::XML::Node *repr, Geom::Matrix full_t, GSList **clip, Inkscape::XML::Document* xml_doc)
110 {
111 Inkscape::XML::Node *copy = repr->duplicate(xml_doc);
113 // copy complete inherited style
114 SPCSSAttr *css = sp_repr_css_attr_inherited(repr, "style");
115 sp_repr_css_set(copy, css, "style");
116 sp_repr_css_attr_unref(css);
118 // write the complete accumulated transform passed to us
119 // (we're dealing with unattached repr, so we write to its attr
120 // instead of using sp_item_set_transform)
121 gchar *affinestr=sp_svg_transform_write(full_t);
122 copy->setAttribute("transform", affinestr);
123 g_free(affinestr);
125 *clip = g_slist_prepend(*clip, copy);
126 }
128 void sp_selection_copy_impl(GSList const *items, GSList **clip, Inkscape::XML::Document* xml_doc)
129 {
130 // Sort items:
131 GSList *sorted_items = g_slist_copy((GSList *) items);
132 sorted_items = g_slist_sort((GSList *) sorted_items, (GCompareFunc) sp_object_compare_position);
134 // Copy item reprs:
135 for (GSList *i = (GSList *) sorted_items; i != NULL; i = i->next) {
136 sp_selection_copy_one(SP_OBJECT_REPR(i->data), sp_item_i2doc_affine(SP_ITEM(i->data)), clip, xml_doc);
137 }
139 *clip = g_slist_reverse(*clip);
140 g_slist_free((GSList *) sorted_items);
141 }
143 GSList *sp_selection_paste_impl(SPDocument *doc, SPObject *parent, GSList **clip)
144 {
145 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
147 GSList *copied = NULL;
148 // add objects to document
149 for (GSList *l = *clip; l != NULL; l = l->next) {
150 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
151 Inkscape::XML::Node *copy = repr->duplicate(xml_doc);
153 // premultiply the item transform by the accumulated parent transform in the paste layer
154 Geom::Matrix local(sp_item_i2doc_affine(SP_ITEM(parent)));
155 if (!local.isIdentity()) {
156 gchar const *t_str = copy->attribute("transform");
157 Geom::Matrix item_t(Geom::identity());
158 if (t_str)
159 sp_svg_transform_read(t_str, &item_t);
160 item_t *= local.inverse();
161 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
162 gchar *affinestr=sp_svg_transform_write(item_t);
163 copy->setAttribute("transform", affinestr);
164 g_free(affinestr);
165 }
167 parent->appendChildRepr(copy);
168 copied = g_slist_prepend(copied, copy);
169 Inkscape::GC::release(copy);
170 }
171 return copied;
172 }
174 void sp_selection_delete_impl(GSList const *items, bool propagate = true, bool propagate_descendants = true)
175 {
176 for (GSList const *i = items ; i ; i = i->next ) {
177 sp_object_ref((SPObject *)i->data, NULL);
178 }
179 for (GSList const *i = items; i != NULL; i = i->next) {
180 SPItem *item = (SPItem *) i->data;
181 SP_OBJECT(item)->deleteObject(propagate, propagate_descendants);
182 sp_object_unref((SPObject *)item, NULL);
183 }
184 }
187 void sp_selection_delete(SPDesktop *desktop)
188 {
189 if (desktop == NULL) {
190 return;
191 }
193 if (tools_isactive(desktop, TOOLS_TEXT))
194 if (sp_text_delete_selection(desktop->event_context)) {
195 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_TEXT,
196 _("Delete text"));
197 return;
198 }
200 Inkscape::Selection *selection = sp_desktop_selection(desktop);
202 // check if something is selected
203 if (selection->isEmpty()) {
204 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Nothing</b> was deleted."));
205 return;
206 }
208 GSList const *selected = g_slist_copy(const_cast<GSList *>(selection->itemList()));
209 selection->clear();
210 sp_selection_delete_impl(selected);
211 g_slist_free((GSList *) selected);
213 /* a tool may have set up private information in it's selection context
214 * that depends on desktop items. I think the only sane way to deal with
215 * this currently is to reset the current tool, which will reset it's
216 * associated selection context. For example: deleting an object
217 * while moving it around the canvas.
218 */
219 tools_switch( desktop, tools_active( desktop ) );
221 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DELETE,
222 _("Delete"));
223 }
225 void add_ids_recursive(std::vector<const gchar *> &ids, SPObject *obj)
226 {
227 if (!obj)
228 return;
230 ids.push_back(SP_OBJECT_ID(obj));
232 if (SP_IS_GROUP(obj)) {
233 for (SPObject *child = sp_object_first_child(obj) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
234 add_ids_recursive(ids, child);
235 }
236 }
237 }
239 void sp_selection_duplicate(SPDesktop *desktop, bool suppressDone)
240 {
241 if (desktop == NULL)
242 return;
244 SPDocument *doc = desktop->doc();
245 Inkscape::XML::Document* xml_doc = sp_document_repr_doc(doc);
246 Inkscape::Selection *selection = sp_desktop_selection(desktop);
248 // check if something is selected
249 if (selection->isEmpty()) {
250 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to duplicate."));
251 return;
252 }
254 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
256 selection->clear();
258 // sorting items from different parents sorts each parent's subset without possibly mixing
259 // them, just what we need
260 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
262 GSList *newsel = NULL;
264 std::vector<const gchar *> old_ids;
265 std::vector<const gchar *> new_ids;
266 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
267 bool relink_clones = prefs->getBool("/options/relinkclonesonduplicate/value");
269 while (reprs) {
270 Inkscape::XML::Node *old_repr = (Inkscape::XML::Node *) reprs->data;
271 Inkscape::XML::Node *parent = old_repr->parent();
272 Inkscape::XML::Node *copy = old_repr->duplicate(xml_doc);
274 parent->appendChild(copy);
276 if (relink_clones) {
277 SPObject *old_obj = doc->getObjectByRepr(old_repr);
278 SPObject *new_obj = doc->getObjectByRepr(copy);
279 add_ids_recursive(old_ids, old_obj);
280 add_ids_recursive(new_ids, new_obj);
281 }
283 newsel = g_slist_prepend(newsel, copy);
284 reprs = g_slist_remove(reprs, reprs->data);
285 Inkscape::GC::release(copy);
286 }
288 if (relink_clones) {
290 g_assert(old_ids.size() == new_ids.size());
292 for (unsigned int i = 0; i < old_ids.size(); i++) {
293 const gchar *id = old_ids[i];
294 SPObject *old_clone = doc->getObjectById(id);
295 if (SP_IS_USE(old_clone)) {
296 SPItem *orig = sp_use_get_original(SP_USE(old_clone));
297 if (!orig) // orphaned
298 continue;
299 for (unsigned int j = 0; j < old_ids.size(); j++) {
300 if (!strcmp(SP_OBJECT_ID(orig), old_ids[j])) {
301 // we have both orig and clone in selection, relink
302 // std::cout << id << " old, its ori: " << SP_OBJECT_ID(orig) << "; will relink:" << new_ids[i] << " to " << new_ids[j] << "\n";
303 gchar *newref = g_strdup_printf("#%s", new_ids[j]);
304 SPObject *new_clone = doc->getObjectById(new_ids[i]);
305 SP_OBJECT_REPR(new_clone)->setAttribute("xlink:href", newref);
306 new_clone->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
307 g_free(newref);
308 }
309 }
310 }
311 }
312 }
315 if ( !suppressDone ) {
316 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DUPLICATE,
317 _("Duplicate"));
318 }
320 selection->setReprList(newsel);
322 g_slist_free(newsel);
323 }
325 void sp_edit_clear_all(SPDesktop *dt)
326 {
327 if (!dt)
328 return;
330 SPDocument *doc = sp_desktop_document(dt);
331 sp_desktop_selection(dt)->clear();
333 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
334 GSList *items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
336 while (items) {
337 SP_OBJECT(items->data)->deleteObject();
338 items = g_slist_remove(items, items->data);
339 }
341 sp_document_done(doc, SP_VERB_EDIT_CLEAR_ALL,
342 _("Delete all"));
343 }
345 GSList *
346 get_all_items(GSList *list, SPObject *from, SPDesktop *desktop, bool onlyvisible, bool onlysensitive, GSList const *exclude)
347 {
348 for (SPObject *child = sp_object_first_child(SP_OBJECT(from)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
349 if (SP_IS_ITEM(child) &&
350 !desktop->isLayer(SP_ITEM(child)) &&
351 (!onlysensitive || !SP_ITEM(child)->isLocked()) &&
352 (!onlyvisible || !desktop->itemIsHidden(SP_ITEM(child))) &&
353 (!exclude || !g_slist_find((GSList *) exclude, child))
354 )
355 {
356 list = g_slist_prepend(list, SP_ITEM(child));
357 }
359 if (SP_IS_ITEM(child) && desktop->isLayer(SP_ITEM(child))) {
360 list = get_all_items(list, child, desktop, onlyvisible, onlysensitive, exclude);
361 }
362 }
364 return list;
365 }
367 void sp_edit_select_all_full(SPDesktop *dt, bool force_all_layers, bool invert)
368 {
369 if (!dt)
370 return;
372 Inkscape::Selection *selection = sp_desktop_selection(dt);
374 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
376 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
377 PrefsSelectionContext inlayer = (PrefsSelectionContext) prefs->getInt("/options/kbselection/inlayer", PREFS_SELECTION_LAYER);
378 bool onlyvisible = prefs->getBool("/options/kbselection/onlyvisible", true);
379 bool onlysensitive = prefs->getBool("/options/kbselection/onlysensitive", true);
381 GSList *items = NULL;
383 GSList const *exclude = NULL;
384 if (invert) {
385 exclude = selection->itemList();
386 }
388 if (force_all_layers)
389 inlayer = PREFS_SELECTION_ALL;
391 switch (inlayer) {
392 case PREFS_SELECTION_LAYER: {
393 if ( (onlysensitive && SP_ITEM(dt->currentLayer())->isLocked()) ||
394 (onlyvisible && dt->itemIsHidden(SP_ITEM(dt->currentLayer()))) )
395 return;
397 GSList *all_items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
399 for (GSList *i = all_items; i; i = i->next) {
400 SPItem *item = SP_ITEM(i->data);
402 if (item && (!onlysensitive || !item->isLocked())) {
403 if (!onlyvisible || !dt->itemIsHidden(item)) {
404 if (!dt->isLayer(item)) {
405 if (!invert || !g_slist_find((GSList *) exclude, item)) {
406 items = g_slist_prepend(items, item); // leave it in the list
407 }
408 }
409 }
410 }
411 }
413 g_slist_free(all_items);
414 break;
415 }
416 case PREFS_SELECTION_LAYER_RECURSIVE: {
417 items = get_all_items(NULL, dt->currentLayer(), dt, onlyvisible, onlysensitive, exclude);
418 break;
419 }
420 default: {
421 items = get_all_items(NULL, dt->currentRoot(), dt, onlyvisible, onlysensitive, exclude);
422 break;
423 }
424 }
426 selection->setList(items);
428 if (items) {
429 g_slist_free(items);
430 }
431 }
433 void sp_edit_select_all(SPDesktop *desktop)
434 {
435 sp_edit_select_all_full(desktop, false, false);
436 }
438 void sp_edit_select_all_in_all_layers(SPDesktop *desktop)
439 {
440 sp_edit_select_all_full(desktop, true, false);
441 }
443 void sp_edit_invert(SPDesktop *desktop)
444 {
445 sp_edit_select_all_full(desktop, false, true);
446 }
448 void sp_edit_invert_in_all_layers(SPDesktop *desktop)
449 {
450 sp_edit_select_all_full(desktop, true, true);
451 }
453 void sp_selection_group(SPDesktop *desktop)
454 {
455 if (desktop == NULL)
456 return;
458 SPDocument *doc = sp_desktop_document(desktop);
459 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
461 Inkscape::Selection *selection = sp_desktop_selection(desktop);
463 // Check if something is selected.
464 if (selection->isEmpty()) {
465 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>some objects</b> to group."));
466 return;
467 }
469 GSList const *l = (GSList *) selection->reprList();
471 GSList *p = g_slist_copy((GSList *) l);
473 selection->clear();
475 p = g_slist_sort(p, (GCompareFunc) sp_repr_compare_position);
477 // Remember the position and parent of the topmost object.
478 gint topmost = ((Inkscape::XML::Node *) g_slist_last(p)->data)->position();
479 Inkscape::XML::Node *topmost_parent = ((Inkscape::XML::Node *) g_slist_last(p)->data)->parent();
481 Inkscape::XML::Node *group = xml_doc->createElement("svg:g");
483 while (p) {
484 Inkscape::XML::Node *current = (Inkscape::XML::Node *) p->data;
486 if (current->parent() == topmost_parent) {
487 Inkscape::XML::Node *spnew = current->duplicate(xml_doc);
488 sp_repr_unparent(current);
489 group->appendChild(spnew);
490 Inkscape::GC::release(spnew);
491 topmost --; // only reduce count for those items deleted from topmost_parent
492 } else { // move it to topmost_parent first
493 GSList *temp_clip = NULL;
495 // At this point, current may already have no item, due to its being a clone whose original is already moved away
496 // So we copy it artificially calculating the transform from its repr->attr("transform") and the parent transform
497 gchar const *t_str = current->attribute("transform");
498 Geom::Matrix item_t(Geom::identity());
499 if (t_str)
500 sp_svg_transform_read(t_str, &item_t);
501 item_t *= sp_item_i2doc_affine(SP_ITEM(doc->getObjectByRepr(current->parent())));
502 // FIXME: when moving both clone and original from a transformed group (either by
503 // grouping into another parent, or by cut/paste) the transform from the original's
504 // parent becomes embedded into original itself, and this affects its clones. Fix
505 // this by remembering the transform diffs we write to each item into an array and
506 // then, if this is clone, looking up its original in that array and pre-multiplying
507 // it by the inverse of that original's transform diff.
509 sp_selection_copy_one(current, item_t, &temp_clip, xml_doc);
510 sp_repr_unparent(current);
512 // paste into topmost_parent (temporarily)
513 GSList *copied = sp_selection_paste_impl(doc, doc->getObjectByRepr(topmost_parent), &temp_clip);
514 if (temp_clip) g_slist_free(temp_clip);
515 if (copied) { // if success,
516 // take pasted object (now in topmost_parent)
517 Inkscape::XML::Node *in_topmost = (Inkscape::XML::Node *) copied->data;
518 // make a copy
519 Inkscape::XML::Node *spnew = in_topmost->duplicate(xml_doc);
520 // remove pasted
521 sp_repr_unparent(in_topmost);
522 // put its copy into group
523 group->appendChild(spnew);
524 Inkscape::GC::release(spnew);
525 g_slist_free(copied);
526 }
527 }
528 p = g_slist_remove(p, current);
529 }
531 // Add the new group to the topmost members' parent
532 topmost_parent->appendChild(group);
534 // Move to the position of the topmost, reduced by the number of items deleted from topmost_parent
535 group->setPosition(topmost + 1);
537 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_GROUP,
538 _("Group"));
540 selection->set(group);
541 Inkscape::GC::release(group);
542 }
544 void sp_selection_ungroup(SPDesktop *desktop)
545 {
546 if (desktop == NULL)
547 return;
549 Inkscape::Selection *selection = sp_desktop_selection(desktop);
551 if (selection->isEmpty()) {
552 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>group</b> to ungroup."));
553 return;
554 }
556 GSList *items = g_slist_copy((GSList *) selection->itemList());
557 selection->clear();
559 // Get a copy of current selection.
560 GSList *new_select = NULL;
561 bool ungrouped = false;
562 for (GSList *i = items;
563 i != NULL;
564 i = i->next)
565 {
566 SPItem *group = (SPItem *) i->data;
568 // when ungrouping cloned groups with their originals, some objects that were selected may no more exist due to unlinking
569 if (!SP_IS_OBJECT(group)) {
570 continue;
571 }
573 /* We do not allow ungrouping <svg> etc. (lauris) */
574 if (strcmp(SP_OBJECT_REPR(group)->name(), "svg:g") && strcmp(SP_OBJECT_REPR(group)->name(), "svg:switch")) {
575 // keep the non-group item in the new selection
576 selection->add(group);
577 continue;
578 }
580 GSList *children = NULL;
581 /* This is not strictly required, but is nicer to rely on group ::destroy (lauris) */
582 sp_item_group_ungroup(SP_GROUP(group), &children, false);
583 ungrouped = true;
584 // Add ungrouped items to the new selection.
585 new_select = g_slist_concat(new_select, children);
586 }
588 if (new_select) { // Set new selection.
589 selection->addList(new_select);
590 g_slist_free(new_select);
591 }
592 if (!ungrouped) {
593 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No groups</b> to ungroup in the selection."));
594 }
596 g_slist_free(items);
598 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_UNGROUP,
599 _("Ungroup"));
600 }
602 /** Replace all groups in the list with their member objects, recursively; returns a new list, frees old */
603 GSList *
604 sp_degroup_list(GSList *items)
605 {
606 GSList *out = NULL;
607 bool has_groups = false;
608 for (GSList *item = items; item; item = item->next) {
609 if (!SP_IS_GROUP(item->data)) {
610 out = g_slist_prepend(out, item->data);
611 } else {
612 has_groups = true;
613 GSList *members = sp_item_group_item_list(SP_GROUP(item->data));
614 for (GSList *member = members; member; member = member->next) {
615 out = g_slist_prepend(out, member->data);
616 }
617 g_slist_free(members);
618 }
619 }
620 out = g_slist_reverse(out);
621 g_slist_free(items);
623 if (has_groups) { // recurse if we unwrapped a group - it may have contained others
624 out = sp_degroup_list(out);
625 }
627 return out;
628 }
631 /** If items in the list have a common parent, return it, otherwise return NULL */
632 static SPGroup *
633 sp_item_list_common_parent_group(GSList const *items)
634 {
635 if (!items) {
636 return NULL;
637 }
638 SPObject *parent = SP_OBJECT_PARENT(items->data);
639 /* Strictly speaking this CAN happen, if user selects <svg> from Inkscape::XML editor */
640 if (!SP_IS_GROUP(parent)) {
641 return NULL;
642 }
643 for (items = items->next; items; items = items->next) {
644 if (SP_OBJECT_PARENT(items->data) != parent) {
645 return NULL;
646 }
647 }
649 return SP_GROUP(parent);
650 }
652 /** Finds out the minimum common bbox of the selected items. */
653 static Geom::OptRect
654 enclose_items(GSList const *items)
655 {
656 g_assert(items != NULL);
658 Geom::OptRect r;
659 for (GSList const *i = items; i; i = i->next) {
660 r = Geom::unify(r, sp_item_bbox_desktop((SPItem *) i->data));
661 }
662 return r;
663 }
665 SPObject *
666 prev_sibling(SPObject *child)
667 {
668 SPObject *parent = SP_OBJECT_PARENT(child);
669 if (!SP_IS_GROUP(parent)) {
670 return NULL;
671 }
672 for ( SPObject *i = sp_object_first_child(parent) ; i; i = SP_OBJECT_NEXT(i) ) {
673 if (i->next == child)
674 return i;
675 }
676 return NULL;
677 }
679 void
680 sp_selection_raise(SPDesktop *desktop)
681 {
682 if (!desktop)
683 return;
685 Inkscape::Selection *selection = sp_desktop_selection(desktop);
687 GSList const *items = (GSList *) selection->itemList();
688 if (!items) {
689 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise."));
690 return;
691 }
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 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
701 /* Construct reverse-ordered list of selected children. */
702 GSList *rev = g_slist_copy((GSList *) items);
703 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
705 // Determine the common bbox of the selected items.
706 Geom::OptRect selected = enclose_items(items);
708 // Iterate over all objects in the selection (starting from top).
709 if (selected) {
710 while (rev) {
711 SPObject *child = SP_OBJECT(rev->data);
712 // for each selected object, find the next sibling
713 for (SPObject *newref = child->next; newref; newref = newref->next) {
714 // if the sibling is an item AND overlaps our selection,
715 if (SP_IS_ITEM(newref)) {
716 Geom::OptRect newref_bbox = sp_item_bbox_desktop(SP_ITEM(newref));
717 if ( newref_bbox && selected->intersects(*newref_bbox) ) {
718 // AND if it's not one of our selected objects,
719 if (!g_slist_find((GSList *) items, newref)) {
720 // move the selected object after that sibling
721 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(newref));
722 }
723 break;
724 }
725 }
726 }
727 rev = g_slist_remove(rev, child);
728 }
729 } else {
730 g_slist_free(rev);
731 }
733 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_RAISE,
734 //TRANSLATORS: only translate "string" in "context|string".
735 // For more details, see http://developer.gnome.org/doc/API/2.0/glib/glib-I18N.html#Q-:CAPS
736 // "Raise" means "to raise an object" in the undo history
737 Q_("undo_action|Raise"));
738 }
740 void sp_selection_raise_to_top(SPDesktop *desktop)
741 {
742 if (desktop == NULL)
743 return;
745 SPDocument *document = sp_desktop_document(desktop);
746 Inkscape::Selection *selection = sp_desktop_selection(desktop);
748 if (selection->isEmpty()) {
749 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise to top."));
750 return;
751 }
753 GSList const *items = (GSList *) selection->itemList();
755 SPGroup const *group = sp_item_list_common_parent_group(items);
756 if (!group) {
757 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
758 return;
759 }
761 GSList *rl = g_slist_copy((GSList *) selection->reprList());
762 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
764 for (GSList *l = rl; l != NULL; l = l->next) {
765 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
766 repr->setPosition(-1);
767 }
769 g_slist_free(rl);
771 sp_document_done(document, SP_VERB_SELECTION_TO_FRONT,
772 _("Raise to top"));
773 }
775 void
776 sp_selection_lower(SPDesktop *desktop)
777 {
778 if (desktop == NULL)
779 return;
781 Inkscape::Selection *selection = sp_desktop_selection(desktop);
783 GSList const *items = (GSList *) selection->itemList();
784 if (!items) {
785 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower."));
786 return;
787 }
789 SPGroup const *group = sp_item_list_common_parent_group(items);
790 if (!group) {
791 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
792 return;
793 }
795 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
797 // Determine the common bbox of the selected items.
798 Geom::OptRect selected = enclose_items(items);
800 /* Construct direct-ordered list of selected children. */
801 GSList *rev = g_slist_copy((GSList *) items);
802 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
803 rev = g_slist_reverse(rev);
805 // Iterate over all objects in the selection (starting from top).
806 if (selected) {
807 while (rev) {
808 SPObject *child = SP_OBJECT(rev->data);
809 // for each selected object, find the prev sibling
810 for (SPObject *newref = prev_sibling(child); newref; newref = prev_sibling(newref)) {
811 // if the sibling is an item AND overlaps our selection,
812 if (SP_IS_ITEM(newref)) {
813 Geom::OptRect ref_bbox = sp_item_bbox_desktop(SP_ITEM(newref));
814 if ( ref_bbox && selected->intersects(*ref_bbox) ) {
815 // AND if it's not one of our selected objects,
816 if (!g_slist_find((GSList *) items, newref)) {
817 // move the selected object before that sibling
818 SPObject *put_after = prev_sibling(newref);
819 if (put_after)
820 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(put_after));
821 else
822 SP_OBJECT_REPR(child)->setPosition(0);
823 }
824 break;
825 }
826 }
827 }
828 rev = g_slist_remove(rev, child);
829 }
830 } else {
831 g_slist_free(rev);
832 }
834 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_LOWER,
835 _("Lower"));
836 }
838 void sp_selection_lower_to_bottom(SPDesktop *desktop)
839 {
840 if (desktop == NULL)
841 return;
843 SPDocument *document = sp_desktop_document(desktop);
844 Inkscape::Selection *selection = sp_desktop_selection(desktop);
846 if (selection->isEmpty()) {
847 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower to bottom."));
848 return;
849 }
851 GSList const *items = (GSList *) selection->itemList();
853 SPGroup const *group = sp_item_list_common_parent_group(items);
854 if (!group) {
855 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
856 return;
857 }
859 GSList *rl;
860 rl = g_slist_copy((GSList *) selection->reprList());
861 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
862 rl = g_slist_reverse(rl);
864 for (GSList *l = rl; l != NULL; l = l->next) {
865 gint minpos;
866 SPObject *pp, *pc;
867 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
868 pp = document->getObjectByRepr(sp_repr_parent(repr));
869 minpos = 0;
870 g_assert(SP_IS_GROUP(pp));
871 pc = sp_object_first_child(pp);
872 while (!SP_IS_ITEM(pc)) {
873 minpos += 1;
874 pc = pc->next;
875 }
876 repr->setPosition(minpos);
877 }
879 g_slist_free(rl);
881 sp_document_done(document, SP_VERB_SELECTION_TO_BACK,
882 _("Lower to bottom"));
883 }
885 void
886 sp_undo(SPDesktop *desktop, SPDocument *)
887 {
888 if (!sp_document_undo(sp_desktop_document(desktop)))
889 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to undo."));
890 }
892 void
893 sp_redo(SPDesktop *desktop, SPDocument *)
894 {
895 if (!sp_document_redo(sp_desktop_document(desktop)))
896 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to redo."));
897 }
899 void sp_selection_cut(SPDesktop *desktop)
900 {
901 sp_selection_copy();
902 sp_selection_delete(desktop);
903 }
905 /**
906 * \pre item != NULL
907 */
908 SPCSSAttr *
909 take_style_from_item(SPItem *item)
910 {
911 // write the complete cascaded style, context-free
912 SPCSSAttr *css = sp_css_attr_from_object(SP_OBJECT(item), SP_STYLE_FLAG_ALWAYS);
913 if (css == NULL)
914 return NULL;
916 if ((SP_IS_GROUP(item) && SP_OBJECT(item)->children) ||
917 (SP_IS_TEXT(item) && SP_OBJECT(item)->children && SP_OBJECT(item)->children->next == NULL)) {
918 // if this is a text with exactly one tspan child, merge the style of that tspan as well
919 // If this is a group, merge the style of its topmost (last) child with style
920 for (SPObject *last_element = item->lastChild(); last_element != NULL; last_element = SP_OBJECT_PREV(last_element)) {
921 if (SP_OBJECT_STYLE(last_element) != NULL) {
922 SPCSSAttr *temp = sp_css_attr_from_object(last_element, SP_STYLE_FLAG_IFSET);
923 if (temp) {
924 sp_repr_css_merge(css, temp);
925 sp_repr_css_attr_unref(temp);
926 }
927 break;
928 }
929 }
930 }
931 if (!(SP_IS_TEXT(item) || SP_IS_TSPAN(item) || SP_IS_TREF(item) || SP_IS_STRING(item))) {
932 // do not copy text properties from non-text objects, it's confusing
933 css = sp_css_attr_unset_text(css);
934 }
936 // FIXME: also transform gradient/pattern fills, by forking? NO, this must be nondestructive
937 double ex = to_2geom(sp_item_i2doc_affine(item)).descrim();
938 if (ex != 1.0) {
939 css = sp_css_attr_scale(css, ex);
940 }
942 return css;
943 }
946 void sp_selection_copy()
947 {
948 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
949 cm->copy();
950 }
952 void sp_selection_paste(SPDesktop *desktop, bool in_place)
953 {
954 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
955 if (cm->paste(in_place))
956 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_PASTE, _("Paste"));
957 }
959 void sp_selection_paste_style(SPDesktop *desktop)
960 {
961 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
962 if (cm->pasteStyle())
963 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_PASTE_STYLE, _("Paste style"));
964 }
967 void sp_selection_paste_livepatheffect(SPDesktop *desktop)
968 {
969 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
970 if (cm->pastePathEffect())
971 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_PASTE_LIVEPATHEFFECT,
972 _("Paste live path effect"));
973 }
976 void sp_selection_remove_livepatheffect_impl(SPItem *item)
977 {
978 if ( item && SP_IS_LPE_ITEM(item) &&
979 sp_lpe_item_has_path_effect(SP_LPE_ITEM(item))) {
980 sp_lpe_item_remove_all_path_effects(SP_LPE_ITEM(item), false);
981 }
982 }
984 void sp_selection_remove_livepatheffect(SPDesktop *desktop)
985 {
986 if (desktop == NULL) return;
988 Inkscape::Selection *selection = sp_desktop_selection(desktop);
990 // check if something is selected
991 if (selection->isEmpty()) {
992 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove live path effects from."));
993 return;
994 }
996 for ( GSList const *itemlist = selection->itemList(); itemlist != NULL; itemlist = g_slist_next(itemlist) ) {
997 SPItem *item = reinterpret_cast<SPItem*>(itemlist->data);
999 sp_selection_remove_livepatheffect_impl(item);
1001 }
1003 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_REMOVE_LIVEPATHEFFECT,
1004 _("Remove live path effect"));
1005 }
1007 void sp_selection_remove_filter(SPDesktop *desktop)
1008 {
1009 if (desktop == NULL) return;
1011 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1013 // check if something is selected
1014 if (selection->isEmpty()) {
1015 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove filters from."));
1016 return;
1017 }
1019 SPCSSAttr *css = sp_repr_css_attr_new();
1020 sp_repr_css_unset_property(css, "filter");
1021 sp_desktop_set_style(desktop, css);
1022 sp_repr_css_attr_unref(css);
1024 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_REMOVE_FILTER,
1025 _("Remove filter"));
1026 }
1029 void sp_selection_paste_size(SPDesktop *desktop, bool apply_x, bool apply_y)
1030 {
1031 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
1032 if (cm->pasteSize(false, apply_x, apply_y))
1033 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_PASTE_SIZE,
1034 _("Paste size"));
1035 }
1037 void sp_selection_paste_size_separately(SPDesktop *desktop, bool apply_x, bool apply_y)
1038 {
1039 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
1040 if (cm->pasteSize(true, apply_x, apply_y))
1041 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_PASTE_SIZE_SEPARATELY,
1042 _("Paste size separately"));
1043 }
1045 void sp_selection_to_next_layer(SPDesktop *dt, bool suppressDone)
1046 {
1047 Inkscape::Selection *selection = sp_desktop_selection(dt);
1049 // check if something is selected
1050 if (selection->isEmpty()) {
1051 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer above."));
1052 return;
1053 }
1055 GSList const *items = g_slist_copy((GSList *) selection->itemList());
1057 bool no_more = false; // Set to true, if no more layers above
1058 SPObject *next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer());
1059 if (next) {
1060 GSList *temp_clip = NULL;
1061 sp_selection_copy_impl(items, &temp_clip, sp_document_repr_doc(dt->doc()));
1062 sp_selection_delete_impl(items, false, false);
1063 next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1064 GSList *copied;
1065 if (next) {
1066 copied = sp_selection_paste_impl(sp_desktop_document(dt), next, &temp_clip);
1067 } else {
1068 copied = sp_selection_paste_impl(sp_desktop_document(dt), dt->currentLayer(), &temp_clip);
1069 no_more = true;
1070 }
1071 selection->setReprList((GSList const *) copied);
1072 g_slist_free(copied);
1073 if (temp_clip) g_slist_free(temp_clip);
1074 if (next) dt->setCurrentLayer(next);
1075 if ( !suppressDone ) {
1076 sp_document_done(sp_desktop_document(dt), SP_VERB_LAYER_MOVE_TO_NEXT,
1077 _("Raise to next layer"));
1078 }
1079 } else {
1080 no_more = true;
1081 }
1083 if (no_more) {
1084 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers above."));
1085 }
1087 g_slist_free((GSList *) items);
1088 }
1090 void sp_selection_to_prev_layer(SPDesktop *dt, bool suppressDone)
1091 {
1092 Inkscape::Selection *selection = sp_desktop_selection(dt);
1094 // check if something is selected
1095 if (selection->isEmpty()) {
1096 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer below."));
1097 return;
1098 }
1100 GSList const *items = g_slist_copy((GSList *) selection->itemList());
1102 bool no_more = false; // Set to true, if no more layers below
1103 SPObject *next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer());
1104 if (next) {
1105 GSList *temp_clip = NULL;
1106 sp_selection_copy_impl(items, &temp_clip, sp_document_repr_doc(dt->doc())); // we're in the same doc, so no need to copy defs
1107 sp_selection_delete_impl(items, false, false);
1108 next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1109 GSList *copied;
1110 if (next) {
1111 copied = sp_selection_paste_impl(sp_desktop_document(dt), next, &temp_clip);
1112 } else {
1113 copied = sp_selection_paste_impl(sp_desktop_document(dt), dt->currentLayer(), &temp_clip);
1114 no_more = true;
1115 }
1116 selection->setReprList((GSList const *) copied);
1117 g_slist_free(copied);
1118 if (temp_clip) g_slist_free(temp_clip);
1119 if (next) dt->setCurrentLayer(next);
1120 if ( !suppressDone ) {
1121 sp_document_done(sp_desktop_document(dt), SP_VERB_LAYER_MOVE_TO_PREV,
1122 _("Lower to previous layer"));
1123 }
1124 } else {
1125 no_more = true;
1126 }
1128 if (no_more) {
1129 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers below."));
1130 }
1132 g_slist_free((GSList *) items);
1133 }
1135 bool
1136 selection_contains_original(SPItem *item, Inkscape::Selection *selection)
1137 {
1138 bool contains_original = false;
1140 bool is_use = SP_IS_USE(item);
1141 SPItem *item_use = item;
1142 SPItem *item_use_first = item;
1143 while (is_use && item_use && !contains_original)
1144 {
1145 item_use = sp_use_get_original(SP_USE(item_use));
1146 contains_original |= selection->includes(item_use);
1147 if (item_use == item_use_first)
1148 break;
1149 is_use = SP_IS_USE(item_use);
1150 }
1152 // If it's a tref, check whether the object containing the character
1153 // data is part of the selection
1154 if (!contains_original && SP_IS_TREF(item)) {
1155 contains_original = selection->includes(SP_TREF(item)->getObjectReferredTo());
1156 }
1158 return contains_original;
1159 }
1162 bool
1163 selection_contains_both_clone_and_original(Inkscape::Selection *selection)
1164 {
1165 bool clone_with_original = false;
1166 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1167 SPItem *item = SP_ITEM(l->data);
1168 clone_with_original |= selection_contains_original(item, selection);
1169 if (clone_with_original)
1170 break;
1171 }
1172 return clone_with_original;
1173 }
1175 /** Apply matrix to the selection. \a set_i2d is normally true, which means objects are in the
1176 original transform, synced with their reprs, and need to jump to the new transform in one go. A
1177 value of set_i2d==false is only used by seltrans when it's dragging objects live (not outlines); in
1178 that case, items are already in the new position, but the repr is in the old, and this function
1179 then simply updates the repr from item->transform.
1180 */
1181 void sp_selection_apply_affine(Inkscape::Selection *selection, Geom::Matrix const &affine, bool set_i2d, bool compensate)
1182 {
1183 if (selection->isEmpty())
1184 return;
1186 // For each perspective with a box in selection, check whether all boxes are selected and
1187 // unlink all non-selected boxes.
1188 Persp3D *persp;
1189 Persp3D *transf_persp;
1190 std::list<Persp3D *> plist = selection->perspList();
1191 for (std::list<Persp3D *>::iterator i = plist.begin(); i != plist.end(); ++i) {
1192 persp = (Persp3D *) (*i);
1194 if (!persp3d_has_all_boxes_in_selection (persp, selection)) {
1195 std::list<SPBox3D *> selboxes = selection->box3DList(persp);
1197 // create a new perspective as a copy of the current one and link the selected boxes to it
1198 transf_persp = persp3d_create_xml_element (SP_OBJECT_DOCUMENT(persp), persp->perspective_impl);
1200 for (std::list<SPBox3D *>::iterator b = selboxes.begin(); b != selboxes.end(); ++b)
1201 box3d_switch_perspectives(*b, persp, transf_persp);
1202 } else {
1203 transf_persp = persp;
1204 }
1206 persp3d_apply_affine_transformation(transf_persp, affine);
1207 }
1209 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1210 SPItem *item = SP_ITEM(l->data);
1212 Geom::Point old_center(0,0);
1213 if (set_i2d && item->isCenterSet())
1214 old_center = item->getCenter();
1216 #if 0 /* Re-enable this once persistent guides have a graphical indication.
1217 At the time of writing, this is the only place to re-enable. */
1218 sp_item_update_cns(*item, selection->desktop());
1219 #endif
1221 // we're moving both a clone and its original or any ancestor in clone chain?
1222 bool transform_clone_with_original = selection_contains_original(item, selection);
1223 // ...both a text-on-path and its path?
1224 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)))) ));
1225 // ...both a flowtext and its frame?
1226 bool transform_flowtext_with_frame = (SP_IS_FLOWTEXT(item) && selection->includes( SP_FLOWTEXT(item)->get_frame(NULL))); // (only the first frame is checked so far)
1227 // ...both an offset and its source?
1228 bool transform_offset_with_source = (SP_IS_OFFSET(item) && SP_OFFSET(item)->sourceHref) && selection->includes( sp_offset_get_source(SP_OFFSET(item)) );
1230 // If we're moving a connector, we want to detach it
1231 // from shapes that aren't part of the selection, but
1232 // leave it attached if they are
1233 if (cc_item_is_connector(item)) {
1234 SPItem *attItem[2];
1235 SP_PATH(item)->connEndPair.getAttachedItems(attItem);
1237 for (int n = 0; n < 2; ++n) {
1238 if (!selection->includes(attItem[n])) {
1239 sp_conn_end_detach(item, n);
1240 }
1241 }
1242 }
1244 // "clones are unmoved when original is moved" preference
1245 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1246 int compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
1247 bool prefs_unmoved = (compensation == SP_CLONE_COMPENSATION_UNMOVED);
1248 bool prefs_parallel = (compensation == SP_CLONE_COMPENSATION_PARALLEL);
1250 /* If this is a clone and it's selected along with its original, do not move it;
1251 * it will feel the transform of its original and respond to it itself.
1252 * Without this, a clone is doubly transformed, very unintuitive.
1253 *
1254 * Same for textpath if we are also doing ANY transform to its path: do not touch textpath,
1255 * letters cannot be squeezed or rotated anyway, they only refill the changed path.
1256 * Same for linked offset if we are also moving its source: do not move it. */
1257 if (transform_textpath_with_path || transform_offset_with_source) {
1258 // Restore item->transform field from the repr, in case it was changed by seltrans.
1259 sp_object_read_attr(SP_OBJECT(item), "transform");
1260 } else if (transform_flowtext_with_frame) {
1261 // apply the inverse of the region's transform to the <use> so that the flow remains
1262 // the same (even though the output itself gets transformed)
1263 for (SPObject *region = item->firstChild() ; region ; region = SP_OBJECT_NEXT(region)) {
1264 if (!SP_IS_FLOWREGION(region) && !SP_IS_FLOWREGIONEXCLUDE(region))
1265 continue;
1266 for (SPObject *use = region->firstChild() ; use ; use = SP_OBJECT_NEXT(use)) {
1267 if (!SP_IS_USE(use)) continue;
1268 sp_item_write_transform(SP_USE(use), SP_OBJECT_REPR(use), item->transform.inverse(), NULL, compensate);
1269 }
1270 }
1271 } else if (transform_clone_with_original) {
1272 // We are transforming a clone along with its original. The below matrix juggling is
1273 // necessary to ensure that they transform as a whole, i.e. the clone's induced
1274 // transform and its move compensation are both cancelled out.
1276 // restore item->transform field from the repr, in case it was changed by seltrans
1277 sp_object_read_attr(SP_OBJECT(item), "transform");
1279 // calculate the matrix we need to apply to the clone to cancel its induced transform from its original
1280 Geom::Matrix parent2dt = sp_item_i2d_affine(SP_ITEM(SP_OBJECT_PARENT(item)));
1281 Geom::Matrix t = parent2dt * affine * parent2dt.inverse();
1282 Geom::Matrix t_inv = t.inverse();
1283 Geom::Matrix result = t_inv * item->transform * t;
1285 if ((prefs_parallel || prefs_unmoved) && affine.isTranslation()) {
1286 // we need to cancel out the move compensation, too
1288 // find out the clone move, same as in sp_use_move_compensate
1289 Geom::Matrix parent = sp_use_get_parent_transform(SP_USE(item));
1290 Geom::Matrix clone_move = parent.inverse() * t * parent;
1292 if (prefs_parallel) {
1293 Geom::Matrix move = result * clone_move * t_inv;
1294 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move, compensate);
1296 } else if (prefs_unmoved) {
1297 //if (SP_IS_USE(sp_use_get_original(SP_USE(item))))
1298 // clone_move = Geom::identity();
1299 Geom::Matrix move = result * clone_move;
1300 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &t, compensate);
1301 }
1303 } else {
1304 // just apply the result
1305 sp_item_write_transform(item, SP_OBJECT_REPR(item), result, &t, compensate);
1306 }
1308 } else {
1309 if (set_i2d) {
1310 sp_item_set_i2d_affine(item, sp_item_i2d_affine(item) * (Geom::Matrix)affine);
1311 }
1312 sp_item_write_transform(item, SP_OBJECT_REPR(item), item->transform, NULL, compensate);
1313 }
1315 // if we're moving the actual object, not just updating the repr, we can transform the
1316 // center by the same matrix (only necessary for non-translations)
1317 if (set_i2d && item->isCenterSet() && !(affine.isTranslation() || affine.isIdentity())) {
1318 item->setCenter(old_center * affine);
1319 SP_OBJECT(item)->updateRepr();
1320 }
1321 }
1322 }
1324 void sp_selection_remove_transform(SPDesktop *desktop)
1325 {
1326 if (desktop == NULL)
1327 return;
1329 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1331 GSList const *l = (GSList *) selection->reprList();
1332 while (l != NULL) {
1333 ((Inkscape::XML::Node*)l->data)->setAttribute("transform", NULL, false);
1334 l = l->next;
1335 }
1337 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_FLATTEN,
1338 _("Remove transform"));
1339 }
1341 void
1342 sp_selection_scale_absolute(Inkscape::Selection *selection,
1343 double const x0, double const x1,
1344 double const y0, double const y1)
1345 {
1346 if (selection->isEmpty())
1347 return;
1349 Geom::OptRect const bbox(selection->bounds());
1350 if ( !bbox ) {
1351 return;
1352 }
1354 Geom::Translate const p2o(-bbox->min());
1356 Geom::Scale const newSize(x1 - x0,
1357 y1 - y0);
1358 Geom::Scale const scale( newSize * Geom::Scale(bbox->dimensions()).inverse() );
1359 Geom::Translate const o2n(x0, y0);
1360 Geom::Matrix const final( p2o * scale * o2n );
1362 sp_selection_apply_affine(selection, final);
1363 }
1366 void sp_selection_scale_relative(Inkscape::Selection *selection, Geom::Point const &align, Geom::Scale const &scale)
1367 {
1368 if (selection->isEmpty())
1369 return;
1371 Geom::OptRect const bbox(selection->bounds());
1373 if ( !bbox ) {
1374 return;
1375 }
1377 // FIXME: ARBITRARY LIMIT: don't try to scale above 1 Mpx, it won't display properly and will crash sooner or later anyway
1378 if ( bbox->dimensions()[Geom::X] * scale[Geom::X] > 1e6 ||
1379 bbox->dimensions()[Geom::Y] * scale[Geom::Y] > 1e6 )
1380 {
1381 return;
1382 }
1384 Geom::Translate const n2d(-align);
1385 Geom::Translate const d2n(align);
1386 Geom::Matrix const final( n2d * scale * d2n );
1387 sp_selection_apply_affine(selection, final);
1388 }
1390 void
1391 sp_selection_rotate_relative(Inkscape::Selection *selection, Geom::Point const ¢er, gdouble const angle_degrees)
1392 {
1393 Geom::Translate const d2n(center);
1394 Geom::Translate const n2d(-center);
1395 Geom::Rotate const rotate(Geom::Rotate::from_degrees(angle_degrees));
1396 Geom::Matrix const final( Geom::Matrix(n2d) * rotate * d2n );
1397 sp_selection_apply_affine(selection, final);
1398 }
1400 void
1401 sp_selection_skew_relative(Inkscape::Selection *selection, Geom::Point const &align, double dx, double dy)
1402 {
1403 Geom::Translate const d2n(align);
1404 Geom::Translate const n2d(-align);
1405 Geom::Matrix const skew(1, dy,
1406 dx, 1,
1407 0, 0);
1408 Geom::Matrix const final( n2d * skew * d2n );
1409 sp_selection_apply_affine(selection, final);
1410 }
1412 void sp_selection_move_relative(Inkscape::Selection *selection, Geom::Point const &move, bool compensate)
1413 {
1414 sp_selection_apply_affine(selection, Geom::Matrix(Geom::Translate(move)), true, compensate);
1415 }
1417 void sp_selection_move_relative(Inkscape::Selection *selection, double dx, double dy)
1418 {
1419 sp_selection_apply_affine(selection, Geom::Matrix(Geom::Translate(dx, dy)));
1420 }
1422 /**
1423 * @brief Rotates selected objects 90 degrees, either clock-wise or counter-clockwise, depending on the value of ccw
1424 */
1425 void sp_selection_rotate_90(SPDesktop *desktop, bool ccw)
1426 {
1427 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1429 if (selection->isEmpty())
1430 return;
1432 GSList const *l = selection->itemList();
1433 Geom::Rotate const rot_90(Geom::Point(0, ccw ? 1 : -1)); // pos. or neg. rotation, depending on the value of ccw
1434 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1435 SPItem *item = SP_ITEM(l2->data);
1436 sp_item_rotate_rel(item, rot_90);
1437 }
1439 sp_document_done(sp_desktop_document(desktop),
1440 ccw ? SP_VERB_OBJECT_ROTATE_90_CCW : SP_VERB_OBJECT_ROTATE_90_CW,
1441 ccw ? _("Rotate 90° CCW") : _("Rotate 90° CW"));
1442 }
1444 void
1445 sp_selection_rotate(Inkscape::Selection *selection, gdouble const angle_degrees)
1446 {
1447 if (selection->isEmpty())
1448 return;
1450 boost::optional<Geom::Point> center = selection->center();
1451 if (!center) {
1452 return;
1453 }
1455 sp_selection_rotate_relative(selection, *center, angle_degrees);
1457 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1458 ( ( angle_degrees > 0 )
1459 ? "selector:rotate:ccw"
1460 : "selector:rotate:cw" ),
1461 SP_VERB_CONTEXT_SELECT,
1462 _("Rotate"));
1463 }
1465 // helper function:
1466 static
1467 Geom::Point
1468 cornerFarthestFrom(Geom::Rect const &r, Geom::Point const &p){
1469 Geom::Point m = r.midpoint();
1470 unsigned i = 0;
1471 if (p[X] < m[X]) {
1472 i = 1;
1473 }
1474 if (p[Y] < m[Y]) {
1475 i = 3 - i;
1476 }
1477 return r.corner(i);
1478 }
1480 /**
1481 \param angle the angle in "angular pixels", i.e. how many visible pixels must move the outermost point of the rotated object
1482 */
1483 void
1484 sp_selection_rotate_screen(Inkscape::Selection *selection, gdouble angle)
1485 {
1486 if (selection->isEmpty())
1487 return;
1489 Geom::OptRect const bbox(selection->bounds());
1490 boost::optional<Geom::Point> center = selection->center();
1492 if ( !bbox || !center ) {
1493 return;
1494 }
1496 gdouble const zoom = selection->desktop()->current_zoom();
1497 gdouble const zmove = angle / zoom;
1498 gdouble const r = Geom::L2(cornerFarthestFrom(*bbox, *center) - *center);
1500 gdouble const zangle = 180 * atan2(zmove, r) / M_PI;
1502 sp_selection_rotate_relative(selection, *center, zangle);
1504 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1505 ( (angle > 0)
1506 ? "selector:rotate:ccw"
1507 : "selector:rotate:cw" ),
1508 SP_VERB_CONTEXT_SELECT,
1509 _("Rotate by pixels"));
1510 }
1512 void
1513 sp_selection_scale(Inkscape::Selection *selection, gdouble grow)
1514 {
1515 if (selection->isEmpty())
1516 return;
1518 Geom::OptRect const bbox(selection->bounds());
1519 if (!bbox) {
1520 return;
1521 }
1523 Geom::Point const center(bbox->midpoint());
1525 // you can't scale "do nizhe pola" (below zero)
1526 double const max_len = bbox->maxExtent();
1527 if ( max_len + grow <= 1e-3 ) {
1528 return;
1529 }
1531 double const times = 1.0 + grow / max_len;
1532 sp_selection_scale_relative(selection, center, Geom::Scale(times, times));
1534 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1535 ( (grow > 0)
1536 ? "selector:scale:larger"
1537 : "selector:scale:smaller" ),
1538 SP_VERB_CONTEXT_SELECT,
1539 _("Scale"));
1540 }
1542 void
1543 sp_selection_scale_screen(Inkscape::Selection *selection, gdouble grow_pixels)
1544 {
1545 sp_selection_scale(selection,
1546 grow_pixels / selection->desktop()->current_zoom());
1547 }
1549 void
1550 sp_selection_scale_times(Inkscape::Selection *selection, gdouble times)
1551 {
1552 if (selection->isEmpty())
1553 return;
1555 Geom::OptRect sel_bbox = selection->bounds();
1557 if (!sel_bbox) {
1558 return;
1559 }
1561 Geom::Point const center(sel_bbox->midpoint());
1562 sp_selection_scale_relative(selection, center, Geom::Scale(times, times));
1563 sp_document_done(sp_desktop_document(selection->desktop()), SP_VERB_CONTEXT_SELECT,
1564 _("Scale by whole factor"));
1565 }
1567 void
1568 sp_selection_move(SPDesktop *desktop, gdouble dx, gdouble dy)
1569 {
1570 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1571 if (selection->isEmpty()) {
1572 return;
1573 }
1575 sp_selection_move_relative(selection, dx, dy);
1577 if (dx == 0) {
1578 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1579 _("Move vertically"));
1580 } else if (dy == 0) {
1581 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1582 _("Move horizontally"));
1583 } else {
1584 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1585 _("Move"));
1586 }
1587 }
1589 void
1590 sp_selection_move_screen(SPDesktop *desktop, gdouble dx, gdouble dy)
1591 {
1592 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1593 if (selection->isEmpty()) {
1594 return;
1595 }
1597 // same as sp_selection_move but divide deltas by zoom factor
1598 gdouble const zoom = desktop->current_zoom();
1599 gdouble const zdx = dx / zoom;
1600 gdouble const zdy = dy / zoom;
1601 sp_selection_move_relative(selection, zdx, zdy);
1603 if (dx == 0) {
1604 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1605 _("Move vertically by pixels"));
1606 } else if (dy == 0) {
1607 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1608 _("Move horizontally by pixels"));
1609 } else {
1610 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1611 _("Move"));
1612 }
1613 }
1615 namespace {
1617 template <typename D>
1618 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1619 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1621 template <typename D>
1622 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items, SPObject *root,
1623 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1625 struct Forward {
1626 typedef SPObject *Iterator;
1628 static Iterator children(SPObject *o) { return sp_object_first_child(o); }
1629 static Iterator siblings_after(SPObject *o) { return SP_OBJECT_NEXT(o); }
1630 static void dispose(Iterator /*i*/) {}
1632 static SPObject *object(Iterator i) { return i; }
1633 static Iterator next(Iterator i) { return SP_OBJECT_NEXT(i); }
1634 };
1636 struct Reverse {
1637 typedef GSList *Iterator;
1639 static Iterator children(SPObject *o) {
1640 return make_list(o->firstChild(), NULL);
1641 }
1642 static Iterator siblings_after(SPObject *o) {
1643 return make_list(SP_OBJECT_PARENT(o)->firstChild(), o);
1644 }
1645 static void dispose(Iterator i) {
1646 g_slist_free(i);
1647 }
1649 static SPObject *object(Iterator i) {
1650 return reinterpret_cast<SPObject *>(i->data);
1651 }
1652 static Iterator next(Iterator i) { return i->next; }
1654 private:
1655 static GSList *make_list(SPObject *object, SPObject *limit) {
1656 GSList *list=NULL;
1657 while ( object != limit ) {
1658 list = g_slist_prepend(list, object);
1659 object = SP_OBJECT_NEXT(object);
1660 }
1661 return list;
1662 }
1663 };
1665 }
1667 void
1668 sp_selection_item_next(SPDesktop *desktop)
1669 {
1670 g_return_if_fail(desktop != NULL);
1671 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1673 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1674 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs->getInt("/options/kbselection/inlayer", PREFS_SELECTION_LAYER);
1675 bool onlyvisible = prefs->getBool("/options/kbselection/onlyvisible", true);
1676 bool onlysensitive = prefs->getBool("/options/kbselection/onlysensitive", true);
1678 SPObject *root;
1679 if (PREFS_SELECTION_ALL != inlayer) {
1680 root = selection->activeContext();
1681 } else {
1682 root = desktop->currentRoot();
1683 }
1685 SPItem *item=next_item_from_list<Forward>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1687 if (item) {
1688 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1689 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1690 scroll_to_show_item(desktop, item);
1691 }
1692 }
1693 }
1695 void
1696 sp_selection_item_prev(SPDesktop *desktop)
1697 {
1698 SPDocument *document = sp_desktop_document(desktop);
1699 g_return_if_fail(document != NULL);
1700 g_return_if_fail(desktop != NULL);
1701 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1703 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1704 PrefsSelectionContext inlayer = (PrefsSelectionContext) prefs->getInt("/options/kbselection/inlayer", PREFS_SELECTION_LAYER);
1705 bool onlyvisible = prefs->getBool("/options/kbselection/onlyvisible", true);
1706 bool onlysensitive = prefs->getBool("/options/kbselection/onlysensitive", true);
1708 SPObject *root;
1709 if (PREFS_SELECTION_ALL != inlayer) {
1710 root = selection->activeContext();
1711 } else {
1712 root = desktop->currentRoot();
1713 }
1715 SPItem *item=next_item_from_list<Reverse>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1717 if (item) {
1718 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1719 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1720 scroll_to_show_item(desktop, item);
1721 }
1722 }
1723 }
1725 void sp_selection_next_patheffect_param(SPDesktop * dt)
1726 {
1727 if (!dt) return;
1729 Inkscape::Selection *selection = sp_desktop_selection(dt);
1730 if ( selection && !selection->isEmpty() ) {
1731 SPItem *item = selection->singleItem();
1732 if ( item && SP_IS_SHAPE(item)) {
1733 if (sp_lpe_item_has_path_effect(SP_LPE_ITEM(item))) {
1734 sp_lpe_item_edit_next_param_oncanvas(SP_LPE_ITEM(item), dt);
1735 } else {
1736 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("The selection has no applied path effect."));
1737 }
1738 }
1739 }
1740 }
1742 void sp_selection_edit_clip_or_mask(SPDesktop * dt, bool clip)
1743 {
1744 if (!dt) return;
1746 Inkscape::Selection *selection = sp_desktop_selection(dt);
1747 if ( selection && !selection->isEmpty() ) {
1748 SPItem *item = selection->singleItem();
1749 if ( item ) {
1750 SPObject *obj = NULL;
1751 if (clip)
1752 obj = item->clip_ref ? SP_OBJECT(item->clip_ref->getObject()) : NULL;
1753 else
1754 obj = item->mask_ref ? SP_OBJECT(item->mask_ref->getObject()) : NULL;
1756 if (obj) {
1757 // obj is a group object, the children are the actual clippers
1758 for ( SPObject *child = obj->children ; child ; child = child->next ) {
1759 if ( SP_IS_ITEM(child) ) {
1760 // If not already in nodecontext, goto it!
1761 if (!tools_isactive(dt, TOOLS_NODES)) {
1762 tools_switch(dt, TOOLS_NODES);
1763 }
1765 ShapeEditor * shape_editor = dt->event_context->shape_editor;
1766 // TODO: should we set the item for nodepath or knotholder or both? seems to work with both.
1767 shape_editor->set_item(SP_ITEM(child), SH_NODEPATH);
1768 shape_editor->set_item(SP_ITEM(child), SH_KNOTHOLDER);
1769 Inkscape::NodePath::Path *np = shape_editor->get_nodepath();
1770 if (np) {
1771 // take colors from prefs (same as used in outline mode)
1772 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1773 np->helperpath_rgba = clip ?
1774 prefs->getInt("/options/wireframecolors/clips", 0x00ff00ff) :
1775 prefs->getInt("/options/wireframecolors/masks", 0x0000ffff);
1776 np->helperpath_width = 1.0;
1777 sp_nodepath_show_helperpath(np, true);
1778 }
1779 break; // break out of for loop after 1st encountered item
1780 }
1781 }
1782 } else if (clip) {
1783 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("The selection has no applied clip path."));
1784 } else {
1785 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("The selection has no applied mask."));
1786 }
1787 }
1788 }
1789 }
1792 namespace {
1794 template <typename D>
1795 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items,
1796 SPObject *root, bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1797 {
1798 SPObject *current=root;
1799 while (items) {
1800 SPItem *item=SP_ITEM(items->data);
1801 if ( root->isAncestorOf(item) &&
1802 ( !only_in_viewport || desktop->isWithinViewport(item) ) )
1803 {
1804 current = item;
1805 break;
1806 }
1807 items = items->next;
1808 }
1810 GSList *path=NULL;
1811 while ( current != root ) {
1812 path = g_slist_prepend(path, current);
1813 current = SP_OBJECT_PARENT(current);
1814 }
1816 SPItem *next;
1817 // first, try from the current object
1818 next = next_item<D>(desktop, path, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1819 g_slist_free(path);
1821 if (!next) { // if we ran out of objects, start over at the root
1822 next = next_item<D>(desktop, NULL, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1823 }
1825 return next;
1826 }
1828 template <typename D>
1829 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1830 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1831 {
1832 typename D::Iterator children;
1833 typename D::Iterator iter;
1835 SPItem *found=NULL;
1837 if (path) {
1838 SPObject *object=reinterpret_cast<SPObject *>(path->data);
1839 g_assert(SP_OBJECT_PARENT(object) == root);
1840 if (desktop->isLayer(object)) {
1841 found = next_item<D>(desktop, path->next, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1842 }
1843 iter = children = D::siblings_after(object);
1844 } else {
1845 iter = children = D::children(root);
1846 }
1848 while ( iter && !found ) {
1849 SPObject *object=D::object(iter);
1850 if (desktop->isLayer(object)) {
1851 if (PREFS_SELECTION_LAYER != inlayer) { // recurse into sublayers
1852 found = next_item<D>(desktop, NULL, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1853 }
1854 } else if ( SP_IS_ITEM(object) &&
1855 ( !only_in_viewport || desktop->isWithinViewport(SP_ITEM(object)) ) &&
1856 ( !onlyvisible || !desktop->itemIsHidden(SP_ITEM(object))) &&
1857 ( !onlysensitive || !SP_ITEM(object)->isLocked()) &&
1858 !desktop->isLayer(SP_ITEM(object)) )
1859 {
1860 found = SP_ITEM(object);
1861 }
1862 iter = D::next(iter);
1863 }
1865 D::dispose(children);
1867 return found;
1868 }
1870 }
1872 /**
1873 * If \a item is not entirely visible then adjust visible area to centre on the centre on of
1874 * \a item.
1875 */
1876 void scroll_to_show_item(SPDesktop *desktop, SPItem *item)
1877 {
1878 Geom::Rect dbox = desktop->get_display_area();
1879 Geom::OptRect sbox = sp_item_bbox_desktop(item);
1881 if ( sbox && dbox.contains(*sbox) == false ) {
1882 Geom::Point const s_dt = sbox->midpoint();
1883 Geom::Point const s_w = desktop->d2w(s_dt);
1884 Geom::Point const d_dt = dbox.midpoint();
1885 Geom::Point const d_w = desktop->d2w(d_dt);
1886 Geom::Point const moved_w( d_w - s_w );
1887 gint const dx = (gint) moved_w[X];
1888 gint const dy = (gint) moved_w[Y];
1889 desktop->scroll_world(dx, dy);
1890 }
1891 }
1894 void
1895 sp_selection_clone(SPDesktop *desktop)
1896 {
1897 if (desktop == NULL)
1898 return;
1900 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1902 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
1904 // check if something is selected
1905 if (selection->isEmpty()) {
1906 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object</b> to clone."));
1907 return;
1908 }
1910 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
1912 selection->clear();
1914 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
1915 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
1917 GSList *newsel = NULL;
1919 while (reprs) {
1920 Inkscape::XML::Node *sel_repr = (Inkscape::XML::Node *) reprs->data;
1921 Inkscape::XML::Node *parent = sp_repr_parent(sel_repr);
1923 Inkscape::XML::Node *clone = xml_doc->createElement("svg:use");
1924 clone->setAttribute("x", "0", false);
1925 clone->setAttribute("y", "0", false);
1926 clone->setAttribute("xlink:href", g_strdup_printf("#%s", sel_repr->attribute("id")), false);
1928 clone->setAttribute("inkscape:transform-center-x", sel_repr->attribute("inkscape:transform-center-x"), false);
1929 clone->setAttribute("inkscape:transform-center-y", sel_repr->attribute("inkscape:transform-center-y"), false);
1931 // add the new clone to the top of the original's parent
1932 parent->appendChild(clone);
1934 newsel = g_slist_prepend(newsel, clone);
1935 reprs = g_slist_remove(reprs, sel_repr);
1936 Inkscape::GC::release(clone);
1937 }
1939 // TRANSLATORS: only translate "string" in "context|string".
1940 // For more details, see http://developer.gnome.org/doc/API/2.0/glib/glib-I18N.html#Q-:CAPS
1941 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_CLONE,
1942 Q_("action|Clone"));
1944 selection->setReprList(newsel);
1946 g_slist_free(newsel);
1947 }
1949 void
1950 sp_selection_relink(SPDesktop *desktop)
1951 {
1952 if (!desktop)
1953 return;
1955 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1957 if (selection->isEmpty()) {
1958 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>clones</b> to relink."));
1959 return;
1960 }
1962 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
1963 const gchar *newid = cm->getFirstObjectID();
1964 if (!newid) {
1965 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Copy an <b>object</b> to clipboard to relink clones to."));
1966 return;
1967 }
1968 gchar *newref = g_strdup_printf("#%s", newid);
1970 // Get a copy of current selection.
1971 bool relinked = false;
1972 for (GSList *items = (GSList *) selection->itemList();
1973 items != NULL;
1974 items = items->next)
1975 {
1976 SPItem *item = (SPItem *) items->data;
1978 if (!SP_IS_USE(item))
1979 continue;
1981 SP_OBJECT_REPR(item)->setAttribute("xlink:href", newref);
1982 SP_OBJECT(item)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
1983 relinked = true;
1984 }
1986 g_free(newref);
1988 if (!relinked) {
1989 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No clones to relink</b> in the selection."));
1990 } else {
1991 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNLINK_CLONE,
1992 _("Relink clone"));
1993 }
1994 }
1997 void
1998 sp_selection_unlink(SPDesktop *desktop)
1999 {
2000 if (!desktop)
2001 return;
2003 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2005 if (selection->isEmpty()) {
2006 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>clones</b> to unlink."));
2007 return;
2008 }
2010 // Get a copy of current selection.
2011 GSList *new_select = NULL;
2012 bool unlinked = false;
2013 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2014 items != NULL;
2015 items = items->next)
2016 {
2017 SPItem *item = (SPItem *) items->data;
2019 if (SP_IS_TEXT(item)) {
2020 SPObject *tspan = sp_tref_convert_to_tspan(SP_OBJECT(item));
2022 if (tspan) {
2023 SP_OBJECT(item)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
2024 }
2026 // Set unlink to true, and fall into the next if which
2027 // will include this text item in the new selection
2028 unlinked = true;
2029 }
2031 if (!(SP_IS_USE(item) || SP_IS_TREF(item))) {
2032 // keep the non-use item in the new selection
2033 new_select = g_slist_prepend(new_select, item);
2034 continue;
2035 }
2037 SPItem *unlink;
2038 if (SP_IS_USE(item)) {
2039 unlink = sp_use_unlink(SP_USE(item));
2040 } else /*if (SP_IS_TREF(use))*/ {
2041 unlink = SP_ITEM(sp_tref_convert_to_tspan(SP_OBJECT(item)));
2042 }
2044 unlinked = true;
2045 // Add ungrouped items to the new selection.
2046 new_select = g_slist_prepend(new_select, unlink);
2047 }
2049 if (new_select) { // set new selection
2050 selection->clear();
2051 selection->setList(new_select);
2052 g_slist_free(new_select);
2053 }
2054 if (!unlinked) {
2055 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No clones to unlink</b> in the selection."));
2056 }
2058 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNLINK_CLONE,
2059 _("Unlink clone"));
2060 }
2062 void
2063 sp_select_clone_original(SPDesktop *desktop)
2064 {
2065 if (desktop == NULL)
2066 return;
2068 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2070 SPItem *item = selection->singleItem();
2072 gchar const *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.");
2074 // Check if other than two objects are selected
2075 if (g_slist_length((GSList *) selection->itemList()) != 1 || !item) {
2076 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2077 return;
2078 }
2080 SPItem *original = NULL;
2081 if (SP_IS_USE(item)) {
2082 original = sp_use_get_original(SP_USE(item));
2083 } else if (SP_IS_OFFSET(item) && SP_OFFSET(item)->sourceHref) {
2084 original = sp_offset_get_source(SP_OFFSET(item));
2085 } else if (SP_IS_TEXT_TEXTPATH(item)) {
2086 original = sp_textpath_get_path_item(SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))));
2087 } else if (SP_IS_FLOWTEXT(item)) {
2088 original = SP_FLOWTEXT(item)->get_frame(NULL); // first frame only
2089 } else { // it's an object that we don't know what to do with
2090 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2091 return;
2092 }
2094 if (!original) {
2095 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>Cannot find</b> the object to select (orphaned clone, offset, textpath, flowed text?)"));
2096 return;
2097 }
2099 for (SPObject *o = original; o && !SP_IS_ROOT(o); o = SP_OBJECT_PARENT(o)) {
2100 if (SP_IS_DEFS(o)) {
2101 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("The object you're trying to select is <b>not visible</b> (it is in <defs>)"));
2102 return;
2103 }
2104 }
2106 if (original) {
2107 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
2108 bool highlight = prefs->getBool("/options/highlightoriginal/value");
2109 if (highlight) {
2110 Geom::OptRect a = item->getBounds(sp_item_i2d_affine(item));
2111 Geom::OptRect b = original->getBounds(sp_item_i2d_affine(original));
2112 if ( a && b ) {
2113 // draw a flashing line between the objects
2114 SPCurve *curve = new SPCurve();
2115 curve->moveto(a->midpoint());
2116 curve->lineto(b->midpoint());
2118 SPCanvasItem * canvasitem = sp_canvas_bpath_new(sp_desktop_tempgroup(desktop), curve);
2119 sp_canvas_bpath_set_stroke(SP_CANVAS_BPATH(canvasitem), 0x0000ddff, 1.0, SP_STROKE_LINEJOIN_MITER, SP_STROKE_LINECAP_BUTT, 5, 3);
2120 sp_canvas_item_show(canvasitem);
2121 curve->unref();
2122 desktop->add_temporary_canvasitem(canvasitem, 1000);
2123 }
2124 }
2126 selection->clear();
2127 selection->set(original);
2128 if (SP_CYCLING == SP_CYCLE_FOCUS) {
2129 scroll_to_show_item(desktop, original);
2130 }
2131 }
2132 }
2135 void sp_selection_to_marker(SPDesktop *desktop, bool apply)
2136 {
2137 if (desktop == NULL)
2138 return;
2140 SPDocument *doc = sp_desktop_document(desktop);
2141 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2143 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2145 // check if something is selected
2146 if (selection->isEmpty()) {
2147 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to marker."));
2148 return;
2149 }
2151 sp_document_ensure_up_to_date(doc);
2152 Geom::OptRect r = selection->bounds();
2153 boost::optional<Geom::Point> c = selection->center();
2154 if ( !r || !c ) {
2155 return;
2156 }
2158 // calculate the transform to be applied to objects to move them to 0,0
2159 Geom::Point move_p = Geom::Point(0, sp_document_height(doc)) - *c;
2160 move_p[Geom::Y] = -move_p[Geom::Y];
2161 Geom::Matrix move = Geom::Matrix(Geom::Translate(move_p));
2163 GSList *items = g_slist_copy((GSList *) selection->itemList());
2165 items = g_slist_sort(items, (GCompareFunc) sp_object_compare_position);
2167 // bottommost object, after sorting
2168 SPObject *parent = SP_OBJECT_PARENT(items->data);
2170 Geom::Matrix parent_transform(sp_item_i2doc_affine(SP_ITEM(parent)));
2172 // remember the position of the first item
2173 gint pos = SP_OBJECT_REPR(items->data)->position();
2174 (void)pos; // TODO check why this was remembered
2176 // create a list of duplicates
2177 GSList *repr_copies = NULL;
2178 for (GSList *i = items; i != NULL; i = i->next) {
2179 Inkscape::XML::Node *dup = (SP_OBJECT_REPR(i->data))->duplicate(xml_doc);
2180 repr_copies = g_slist_prepend(repr_copies, dup);
2181 }
2183 Geom::Rect bounds(desktop->dt2doc(r->min()), desktop->dt2doc(r->max()));
2185 if (apply) {
2186 // delete objects so that their clones don't get alerted; this object will be restored shortly
2187 for (GSList *i = items; i != NULL; i = i->next) {
2188 SPObject *item = SP_OBJECT(i->data);
2189 item->deleteObject(false);
2190 }
2191 }
2193 // Hack: Temporarily set clone compensation to unmoved, so that we can move clone-originals
2194 // without disturbing clones.
2195 // See ActorAlign::on_button_click() in src/ui/dialog/align-and-distribute.cpp
2196 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
2197 int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
2198 prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
2200 gchar const *mark_id = generate_marker(repr_copies, bounds, doc,
2201 ( Geom::Matrix(Geom::Translate(desktop->dt2doc(
2202 Geom::Point(r->min()[Geom::X],
2203 r->max()[Geom::Y]))))
2204 * parent_transform.inverse() ),
2205 parent_transform * move);
2206 (void)mark_id;
2208 // restore compensation setting
2209 prefs->setInt("/options/clonecompensation/value", saved_compensation);
2212 g_slist_free(items);
2214 sp_document_done(doc, SP_VERB_EDIT_SELECTION_2_MARKER,
2215 _("Objects to marker"));
2216 }
2218 static void sp_selection_to_guides_recursive(SPItem *item, bool deleteitem, bool wholegroups) {
2219 if (SP_IS_GROUP(item) && !SP_IS_BOX3D(item) && !wholegroups) {
2220 for (GSList *i = sp_item_group_item_list(SP_GROUP(item)); i != NULL; i = i->next) {
2221 sp_selection_to_guides_recursive(SP_ITEM(i->data), deleteitem, wholegroups);
2222 }
2223 } else {
2224 sp_item_convert_item_to_guides(item);
2226 if (deleteitem) {
2227 SP_OBJECT(item)->deleteObject(true);
2228 }
2229 }
2230 }
2232 void sp_selection_to_guides(SPDesktop *desktop)
2233 {
2234 if (desktop == NULL)
2235 return;
2237 SPDocument *doc = sp_desktop_document(desktop);
2238 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2239 // we need to copy the list because it gets reset when objects are deleted
2240 GSList *items = g_slist_copy((GSList *) selection->itemList());
2242 if (!items) {
2243 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to guides."));
2244 return;
2245 }
2247 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
2248 bool deleteitem = !prefs->getBool("/tools/cvg_keep_objects", 0);
2249 bool wholegroups = prefs->getBool("/tools/cvg_convert_whole_groups", 0);
2251 for (GSList const *i = items; i != NULL; i = i->next) {
2252 sp_selection_to_guides_recursive(SP_ITEM(i->data), deleteitem, wholegroups);
2253 }
2255 sp_document_done(doc, SP_VERB_EDIT_SELECTION_2_GUIDES, _("Objects to guides"));
2256 }
2258 void
2259 sp_selection_tile(SPDesktop *desktop, bool apply)
2260 {
2261 if (desktop == NULL)
2262 return;
2264 SPDocument *doc = sp_desktop_document(desktop);
2265 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2267 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2269 // check if something is selected
2270 if (selection->isEmpty()) {
2271 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to pattern."));
2272 return;
2273 }
2275 sp_document_ensure_up_to_date(doc);
2276 Geom::OptRect r = selection->bounds();
2277 if ( !r ) {
2278 return;
2279 }
2281 // calculate the transform to be applied to objects to move them to 0,0
2282 Geom::Point move_p = Geom::Point(0, sp_document_height(doc)) - (r->min() + Geom::Point(0, r->dimensions()[Geom::Y]));
2283 move_p[Geom::Y] = -move_p[Geom::Y];
2284 Geom::Matrix move = Geom::Matrix(Geom::Translate(move_p));
2286 GSList *items = g_slist_copy((GSList *) selection->itemList());
2288 items = g_slist_sort(items, (GCompareFunc) sp_object_compare_position);
2290 // bottommost object, after sorting
2291 SPObject *parent = SP_OBJECT_PARENT(items->data);
2293 Geom::Matrix parent_transform(sp_item_i2doc_affine(SP_ITEM(parent)));
2295 // remember the position of the first item
2296 gint pos = SP_OBJECT_REPR(items->data)->position();
2298 // create a list of duplicates
2299 GSList *repr_copies = NULL;
2300 for (GSList *i = items; i != NULL; i = i->next) {
2301 Inkscape::XML::Node *dup = (SP_OBJECT_REPR(i->data))->duplicate(xml_doc);
2302 repr_copies = g_slist_prepend(repr_copies, dup);
2303 }
2304 // restore the z-order after prepends
2305 repr_copies = g_slist_reverse(repr_copies);
2307 Geom::Rect bounds(desktop->dt2doc(r->min()), desktop->dt2doc(r->max()));
2309 if (apply) {
2310 // delete objects so that their clones don't get alerted; this object will be restored shortly
2311 for (GSList *i = items; i != NULL; i = i->next) {
2312 SPObject *item = SP_OBJECT(i->data);
2313 item->deleteObject(false);
2314 }
2315 }
2317 // Hack: Temporarily set clone compensation to unmoved, so that we can move clone-originals
2318 // without disturbing clones.
2319 // See ActorAlign::on_button_click() in src/ui/dialog/align-and-distribute.cpp
2320 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
2321 int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
2322 prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
2324 gchar const *pat_id = pattern_tile(repr_copies, bounds, doc,
2325 ( Geom::Matrix(Geom::Translate(desktop->dt2doc(Geom::Point(r->min()[Geom::X],
2326 r->max()[Geom::Y]))))
2327 * to_2geom(parent_transform.inverse()) ),
2328 parent_transform * move);
2330 // restore compensation setting
2331 prefs->setInt("/options/clonecompensation/value", saved_compensation);
2333 if (apply) {
2334 Inkscape::XML::Node *rect = xml_doc->createElement("svg:rect");
2335 rect->setAttribute("style", g_strdup_printf("stroke:none;fill:url(#%s)", pat_id));
2337 Geom::Point min = bounds.min() * to_2geom(parent_transform.inverse());
2338 Geom::Point max = bounds.max() * to_2geom(parent_transform.inverse());
2340 sp_repr_set_svg_double(rect, "width", max[Geom::X] - min[Geom::X]);
2341 sp_repr_set_svg_double(rect, "height", max[Geom::Y] - min[Geom::Y]);
2342 sp_repr_set_svg_double(rect, "x", min[Geom::X]);
2343 sp_repr_set_svg_double(rect, "y", min[Geom::Y]);
2345 // restore parent and position
2346 SP_OBJECT_REPR(parent)->appendChild(rect);
2347 rect->setPosition(pos > 0 ? pos : 0);
2348 SPItem *rectangle = (SPItem *) sp_desktop_document(desktop)->getObjectByRepr(rect);
2350 Inkscape::GC::release(rect);
2352 selection->clear();
2353 selection->set(rectangle);
2354 }
2356 g_slist_free(items);
2358 sp_document_done(doc, SP_VERB_EDIT_TILE,
2359 _("Objects to pattern"));
2360 }
2362 void
2363 sp_selection_untile(SPDesktop *desktop)
2364 {
2365 if (desktop == NULL)
2366 return;
2368 SPDocument *doc = sp_desktop_document(desktop);
2369 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2371 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2373 // check if something is selected
2374 if (selection->isEmpty()) {
2375 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object with pattern fill</b> to extract objects from."));
2376 return;
2377 }
2379 GSList *new_select = NULL;
2381 bool did = false;
2383 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2384 items != NULL;
2385 items = items->next) {
2387 SPItem *item = (SPItem *) items->data;
2389 SPStyle *style = SP_OBJECT_STYLE(item);
2391 if (!style || !style->fill.isPaintserver())
2392 continue;
2394 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
2396 if (!SP_IS_PATTERN(server))
2397 continue;
2399 did = true;
2401 SPPattern *pattern = pattern_getroot(SP_PATTERN(server));
2403 Geom::Matrix pat_transform = to_2geom(pattern_patternTransform(SP_PATTERN(server)));
2404 pat_transform *= item->transform;
2406 for (SPObject *child = sp_object_first_child(SP_OBJECT(pattern)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2407 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate(xml_doc);
2408 SPItem *i = SP_ITEM(desktop->currentLayer()->appendChildRepr(copy));
2410 // FIXME: relink clones to the new canvas objects
2411 // use SPObject::setid when mental finishes it to steal ids of
2413 // this is needed to make sure the new item has curve (simply requestDisplayUpdate does not work)
2414 sp_document_ensure_up_to_date(doc);
2416 Geom::Matrix transform( i->transform * pat_transform );
2417 sp_item_write_transform(i, SP_OBJECT_REPR(i), transform);
2419 new_select = g_slist_prepend(new_select, i);
2420 }
2422 SPCSSAttr *css = sp_repr_css_attr_new();
2423 sp_repr_css_set_property(css, "fill", "none");
2424 sp_repr_css_change(SP_OBJECT_REPR(item), css, "style");
2425 }
2427 if (!did) {
2428 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No pattern fills</b> in the selection."));
2429 } else {
2430 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNTILE,
2431 _("Pattern to objects"));
2432 selection->setList(new_select);
2433 }
2434 }
2436 void
2437 sp_selection_get_export_hints(Inkscape::Selection *selection, char const **filename, float *xdpi, float *ydpi)
2438 {
2439 if (selection->isEmpty()) {
2440 return;
2441 }
2443 GSList const *reprlst = selection->reprList();
2444 bool filename_search = TRUE;
2445 bool xdpi_search = TRUE;
2446 bool ydpi_search = TRUE;
2448 for (; reprlst != NULL &&
2449 filename_search &&
2450 xdpi_search &&
2451 ydpi_search;
2452 reprlst = reprlst->next) {
2453 gchar const *dpi_string;
2454 Inkscape::XML::Node * repr = (Inkscape::XML::Node *)reprlst->data;
2456 if (filename_search) {
2457 *filename = repr->attribute("inkscape:export-filename");
2458 if (*filename != NULL)
2459 filename_search = FALSE;
2460 }
2462 if (xdpi_search) {
2463 dpi_string = NULL;
2464 dpi_string = repr->attribute("inkscape:export-xdpi");
2465 if (dpi_string != NULL) {
2466 *xdpi = atof(dpi_string);
2467 xdpi_search = FALSE;
2468 }
2469 }
2471 if (ydpi_search) {
2472 dpi_string = NULL;
2473 dpi_string = repr->attribute("inkscape:export-ydpi");
2474 if (dpi_string != NULL) {
2475 *ydpi = atof(dpi_string);
2476 ydpi_search = FALSE;
2477 }
2478 }
2479 }
2480 }
2482 void
2483 sp_document_get_export_hints(SPDocument *doc, char const **filename, float *xdpi, float *ydpi)
2484 {
2485 Inkscape::XML::Node * repr = sp_document_repr_root(doc);
2486 gchar const *dpi_string;
2488 *filename = repr->attribute("inkscape:export-filename");
2490 dpi_string = NULL;
2491 dpi_string = repr->attribute("inkscape:export-xdpi");
2492 if (dpi_string != NULL) {
2493 *xdpi = atof(dpi_string);
2494 }
2496 dpi_string = NULL;
2497 dpi_string = repr->attribute("inkscape:export-ydpi");
2498 if (dpi_string != NULL) {
2499 *ydpi = atof(dpi_string);
2500 }
2501 }
2503 void
2504 sp_selection_create_bitmap_copy(SPDesktop *desktop)
2505 {
2506 if (desktop == NULL)
2507 return;
2509 SPDocument *document = sp_desktop_document(desktop);
2510 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(document);
2512 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2514 // check if something is selected
2515 if (selection->isEmpty()) {
2516 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to make a bitmap copy."));
2517 return;
2518 }
2520 desktop->messageStack()->flash(Inkscape::IMMEDIATE_MESSAGE, _("Rendering bitmap..."));
2521 // set "busy" cursor
2522 desktop->setWaitingCursor();
2524 // Get the bounding box of the selection
2525 NRRect bbox;
2526 sp_document_ensure_up_to_date(document);
2527 selection->bounds(&bbox);
2528 if (NR_RECT_DFLS_TEST_EMPTY(&bbox)) {
2529 desktop->clearWaitingCursor();
2530 return; // exceptional situation, so not bother with a translatable error message, just quit quietly
2531 }
2533 // List of the items to show; all others will be hidden
2534 GSList *items = g_slist_copy((GSList *) selection->itemList());
2536 // Sort items so that the topmost comes last
2537 items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);
2539 // Generate a random value from the current time (you may create bitmap from the same object(s)
2540 // multiple times, and this is done so that they don't clash)
2541 GTimeVal cu;
2542 g_get_current_time(&cu);
2543 guint current = (int) (cu.tv_sec * 1000000 + cu.tv_usec) % 1024;
2545 // Create the filename.
2546 gchar *const basename = g_strdup_printf("%s-%s-%u.png",
2547 document->name,
2548 SP_OBJECT_REPR(items->data)->attribute("id"),
2549 current);
2550 // Imagemagick is known not to handle spaces in filenames, so we replace anything but letters,
2551 // digits, and a few other chars, with "_"
2552 g_strcanon(basename, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.=+~$#@^&!?", '_');
2554 // Build the complete path by adding document base dir, if set, otherwise home dir
2555 gchar * directory = NULL;
2556 if (SP_DOCUMENT_URI(document)) {
2557 directory = g_dirname(SP_DOCUMENT_URI(document));
2558 }
2559 if (directory == NULL) {
2560 directory = homedir_path(NULL);
2561 }
2562 gchar *filepath = g_build_filename(directory, basename, NULL);
2564 //g_print("%s\n", filepath);
2566 // Remember parent and z-order of the topmost one
2567 gint pos = SP_OBJECT_REPR(g_slist_last(items)->data)->position();
2568 SPObject *parent_object = SP_OBJECT_PARENT(g_slist_last(items)->data);
2569 Inkscape::XML::Node *parent = SP_OBJECT_REPR(parent_object);
2571 // Calculate resolution
2572 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
2573 double res;
2574 int const prefs_res = prefs->getInt("/options/createbitmap/resolution", 0);
2575 int const prefs_min = prefs->getInt("/options/createbitmap/minsize", 0);
2576 if (0 < prefs_res) {
2577 // If it's given explicitly in prefs, take it
2578 res = prefs_res;
2579 } else if (0 < prefs_min) {
2580 // If minsize is given, look up minimum bitmap size (default 250 pixels) and calculate resolution from it
2581 res = PX_PER_IN * prefs_min / MIN((bbox.x1 - bbox.x0), (bbox.y1 - bbox.y0));
2582 } else {
2583 float hint_xdpi = 0, hint_ydpi = 0;
2584 char const *hint_filename;
2585 // take resolution hint from the selected objects
2586 sp_selection_get_export_hints(selection, &hint_filename, &hint_xdpi, &hint_ydpi);
2587 if (hint_xdpi != 0) {
2588 res = hint_xdpi;
2589 } else {
2590 // take resolution hint from the document
2591 sp_document_get_export_hints(document, &hint_filename, &hint_xdpi, &hint_ydpi);
2592 if (hint_xdpi != 0) {
2593 res = hint_xdpi;
2594 } else {
2595 // if all else fails, take the default 90 dpi
2596 res = PX_PER_IN;
2597 }
2598 }
2599 }
2601 // The width and height of the bitmap in pixels
2602 unsigned width = (unsigned) floor((bbox.x1 - bbox.x0) * res / PX_PER_IN);
2603 unsigned height =(unsigned) floor((bbox.y1 - bbox.y0) * res / PX_PER_IN);
2605 // Find out if we have to run an external filter
2606 gchar const *run = NULL;
2607 Glib::ustring filter = prefs->getString("/options/createbitmap/filter");
2608 if (!filter.empty()) {
2609 // filter command is given;
2610 // see if we have a parameter to pass to it
2611 Glib::ustring param1 = prefs->getString("/options/createbitmap/filter_param1");
2612 if (!param1.empty()) {
2613 if (param1[param1.length() - 1] == '%') {
2614 // if the param string ends with %, interpret it as a percentage of the image's max dimension
2615 gchar p1[256];
2616 g_ascii_dtostr(p1, 256, ceil(g_ascii_strtod(param1.data(), NULL) * MAX(width, height) / 100));
2617 // the first param is always the image filename, the second is param1
2618 run = g_strdup_printf("%s \"%s\" %s", filter.data(), filepath, p1);
2619 } else {
2620 // otherwise pass the param1 unchanged
2621 run = g_strdup_printf("%s \"%s\" %s", filter.data(), filepath, param1.data());
2622 }
2623 } else {
2624 // run without extra parameter
2625 run = g_strdup_printf("%s \"%s\"", filter.data(), filepath);
2626 }
2627 }
2629 // Calculate the matrix that will be applied to the image so that it exactly overlaps the source objects
2630 Geom::Matrix eek(sp_item_i2d_affine(SP_ITEM(parent_object)));
2631 Geom::Matrix t;
2633 double shift_x = bbox.x0;
2634 double shift_y = bbox.y1;
2635 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2636 shift_x = round(shift_x);
2637 shift_y = -round(-shift_y); // this gets correct rounding despite coordinate inversion, remove the negations when the inversion is gone
2638 }
2639 t = Geom::Scale(1, -1) * Geom::Translate(shift_x, shift_y) * eek.inverse();
2641 // Do the export
2642 sp_export_png_file(document, filepath,
2643 bbox.x0, bbox.y0, bbox.x1, bbox.y1,
2644 width, height, res, res,
2645 (guint32) 0xffffff00,
2646 NULL, NULL,
2647 true, /*bool force_overwrite,*/
2648 items);
2650 g_slist_free(items);
2652 // Run filter, if any
2653 if (run) {
2654 g_print("Running external filter: %s\n", run);
2655 int retval;
2656 retval = system(run);
2657 }
2659 // Import the image back
2660 GdkPixbuf *pb = gdk_pixbuf_new_from_file(filepath, NULL);
2661 if (pb) {
2662 // Create the repr for the image
2663 Inkscape::XML::Node * repr = xml_doc->createElement("svg:image");
2664 {
2665 repr->setAttribute("sodipodi:absref", filepath);
2666 gchar *abs_base = Inkscape::XML::calc_abs_doc_base(document->base);
2667 repr->setAttribute("xlink:href", sp_relative_path_from_path(filepath, abs_base));
2668 g_free(abs_base);
2669 }
2670 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2671 sp_repr_set_svg_double(repr, "width", width);
2672 sp_repr_set_svg_double(repr, "height", height);
2673 } else {
2674 sp_repr_set_svg_double(repr, "width", (bbox.x1 - bbox.x0));
2675 sp_repr_set_svg_double(repr, "height", (bbox.y1 - bbox.y0));
2676 }
2678 // Write transform
2679 gchar *c=sp_svg_transform_write(t);
2680 repr->setAttribute("transform", c);
2681 g_free(c);
2683 // add the new repr to the parent
2684 parent->appendChild(repr);
2686 // move to the saved position
2687 repr->setPosition(pos > 0 ? pos + 1 : 1);
2689 // Set selection to the new image
2690 selection->clear();
2691 selection->add(repr);
2693 // Clean up
2694 Inkscape::GC::release(repr);
2695 gdk_pixbuf_unref(pb);
2697 // Complete undoable transaction
2698 sp_document_done(document, SP_VERB_SELECTION_CREATE_BITMAP,
2699 _("Create bitmap"));
2700 }
2702 desktop->clearWaitingCursor();
2704 g_free(basename);
2705 g_free(filepath);
2706 }
2708 /**
2709 * \brief Creates a mask or clipPath from selection
2710 * Two different modes:
2711 * if applyToLayer, all selection is moved to DEFS as mask/clippath
2712 * and is applied to current layer
2713 * otherwise, topmost object is used as mask for other objects
2714 * If \a apply_clip_path parameter is true, clipPath is created, otherwise mask
2715 *
2716 */
2717 void
2718 sp_selection_set_mask(SPDesktop *desktop, bool apply_clip_path, bool apply_to_layer)
2719 {
2720 if (desktop == NULL)
2721 return;
2723 SPDocument *doc = sp_desktop_document(desktop);
2724 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2726 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2728 // check if something is selected
2729 bool is_empty = selection->isEmpty();
2730 if ( apply_to_layer && is_empty) {
2731 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to create clippath or mask from."));
2732 return;
2733 } else if (!apply_to_layer && ( is_empty || NULL == selection->itemList()->next )) {
2734 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select mask object and <b>object(s)</b> to apply clippath or mask to."));
2735 return;
2736 }
2738 // FIXME: temporary patch to prevent crash!
2739 // Remove this when bboxes are fixed to not blow up on an item clipped/masked with its own clone
2740 bool clone_with_original = selection_contains_both_clone_and_original(selection);
2741 if (clone_with_original) {
2742 return; // in this version, you cannot clip/mask an object with its own clone
2743 }
2744 // /END FIXME
2746 sp_document_ensure_up_to_date(doc);
2748 GSList *items = g_slist_copy((GSList *) selection->itemList());
2750 items = g_slist_sort(items, (GCompareFunc) sp_object_compare_position);
2752 // create a list of duplicates
2753 GSList *mask_items = NULL;
2754 GSList *apply_to_items = NULL;
2755 GSList *items_to_delete = NULL;
2756 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
2757 bool topmost = prefs->getBool("/options/maskobject/topmost", true);
2758 bool remove_original = prefs->getBool("/options/maskobject/remove", true);
2760 if (apply_to_layer) {
2761 // all selected items are used for mask, which is applied to a layer
2762 apply_to_items = g_slist_prepend(apply_to_items, desktop->currentLayer());
2764 for (GSList *i = items; i != NULL; i = i->next) {
2765 Inkscape::XML::Node *dup = (SP_OBJECT_REPR(i->data))->duplicate(xml_doc);
2766 mask_items = g_slist_prepend(mask_items, dup);
2768 if (remove_original) {
2769 SPObject *item = SP_OBJECT(i->data);
2770 items_to_delete = g_slist_prepend(items_to_delete, item);
2771 }
2772 }
2773 } else if (!topmost) {
2774 // topmost item is used as a mask, which is applied to other items in a selection
2775 GSList *i = items;
2776 Inkscape::XML::Node *dup = (SP_OBJECT_REPR(i->data))->duplicate(xml_doc);
2777 mask_items = g_slist_prepend(mask_items, dup);
2779 if (remove_original) {
2780 SPObject *item = SP_OBJECT(i->data);
2781 items_to_delete = g_slist_prepend(items_to_delete, item);
2782 }
2784 for (i = i->next; i != NULL; i = i->next) {
2785 apply_to_items = g_slist_prepend(apply_to_items, i->data);
2786 }
2787 } else {
2788 GSList *i = NULL;
2789 for (i = items; NULL != i->next; i = i->next) {
2790 apply_to_items = g_slist_prepend(apply_to_items, i->data);
2791 }
2793 Inkscape::XML::Node *dup = (SP_OBJECT_REPR(i->data))->duplicate(xml_doc);
2794 mask_items = g_slist_prepend(mask_items, dup);
2796 if (remove_original) {
2797 SPObject *item = SP_OBJECT(i->data);
2798 items_to_delete = g_slist_prepend(items_to_delete, item);
2799 }
2800 }
2802 g_slist_free(items);
2803 items = NULL;
2805 gchar const *attributeName = apply_clip_path ? "clip-path" : "mask";
2806 for (GSList *i = apply_to_items; NULL != i; i = i->next) {
2807 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2808 // inverted object transform should be applied to a mask object,
2809 // as mask is calculated in user space (after applying transform)
2810 Geom::Matrix maskTransform(item->transform.inverse());
2812 GSList *mask_items_dup = NULL;
2813 for (GSList *mask_item = mask_items; NULL != mask_item; mask_item = mask_item->next) {
2814 Inkscape::XML::Node *dup = reinterpret_cast<Inkscape::XML::Node *>(mask_item->data)->duplicate(xml_doc);
2815 mask_items_dup = g_slist_prepend(mask_items_dup, dup);
2816 }
2818 gchar const *mask_id = NULL;
2819 if (apply_clip_path) {
2820 mask_id = sp_clippath_create(mask_items_dup, doc, &maskTransform);
2821 } else {
2822 mask_id = sp_mask_create(mask_items_dup, doc, &maskTransform);
2823 }
2825 g_slist_free(mask_items_dup);
2826 mask_items_dup = NULL;
2828 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, g_strdup_printf("url(#%s)", mask_id));
2829 }
2831 g_slist_free(mask_items);
2832 g_slist_free(apply_to_items);
2834 for (GSList *i = items_to_delete; NULL != i; i = i->next) {
2835 SPObject *item = SP_OBJECT(i->data);
2836 item->deleteObject(false);
2837 }
2838 g_slist_free(items_to_delete);
2840 if (apply_clip_path)
2841 sp_document_done(doc, SP_VERB_OBJECT_SET_CLIPPATH, _("Set clipping path"));
2842 else
2843 sp_document_done(doc, SP_VERB_OBJECT_SET_MASK, _("Set mask"));
2844 }
2846 void sp_selection_unset_mask(SPDesktop *desktop, bool apply_clip_path) {
2847 if (desktop == NULL)
2848 return;
2850 SPDocument *doc = sp_desktop_document(desktop);
2851 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2852 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2854 // check if something is selected
2855 if (selection->isEmpty()) {
2856 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove clippath or mask from."));
2857 return;
2858 }
2860 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
2861 bool remove_original = prefs->getBool("/options/maskobject/remove", true);
2862 sp_document_ensure_up_to_date(doc);
2864 gchar const *attributeName = apply_clip_path ? "clip-path" : "mask";
2865 std::map<SPObject*,SPItem*> referenced_objects;
2866 // SPObject* refers to a group containing the clipped path or mask itself,
2867 // whereas SPItem* refers to the item being clipped or masked
2868 for (GSList const *i = selection->itemList(); NULL != i; i = i->next) {
2869 if (remove_original) {
2870 // remember referenced mask/clippath, so orphaned masks can be moved back to document
2871 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2872 Inkscape::URIReference *uri_ref = NULL;
2874 if (apply_clip_path) {
2875 uri_ref = item->clip_ref;
2876 } else {
2877 uri_ref = item->mask_ref;
2878 }
2880 // collect distinct mask object (and associate with item to apply transform)
2881 if (NULL != uri_ref && NULL != uri_ref->getObject()) {
2882 referenced_objects[uri_ref->getObject()] = item;
2883 }
2884 }
2886 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, "none");
2887 }
2889 // restore mask objects into a document
2890 for ( std::map<SPObject*,SPItem*>::iterator it = referenced_objects.begin() ; it != referenced_objects.end() ; ++it) {
2891 SPObject *obj = (*it).first; // Group containing the clipped paths or masks
2892 GSList *items_to_move = NULL;
2893 for (SPObject *child = sp_object_first_child(obj) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2894 // Collect all clipped paths and masks within a single group
2895 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate(xml_doc);
2896 items_to_move = g_slist_prepend(items_to_move, copy);
2897 }
2899 if (!obj->isReferenced()) {
2900 // delete from defs if no other object references this mask
2901 obj->deleteObject(false);
2902 }
2904 // remember parent and position of the item to which the clippath/mask was applied
2905 Inkscape::XML::Node *parent = SP_OBJECT_REPR((*it).second)->parent();
2906 gint pos = SP_OBJECT_REPR((*it).second)->position();
2908 // Iterate through all clipped paths / masks
2909 for (GSList *i = items_to_move; NULL != i; i = i->next) {
2910 Inkscape::XML::Node *repr = (Inkscape::XML::Node *)i->data;
2912 // insert into parent, restore pos
2913 parent->appendChild(repr);
2914 repr->setPosition((pos + 1) > 0 ? (pos + 1) : 0);
2916 SPItem *mask_item = (SPItem *) sp_desktop_document(desktop)->getObjectByRepr(repr);
2917 selection->add(repr);
2919 // transform mask, so it is moved the same spot where mask was applied
2920 Geom::Matrix transform(mask_item->transform);
2921 transform *= (*it).second->transform;
2922 sp_item_write_transform(mask_item, SP_OBJECT_REPR(mask_item), transform);
2923 }
2925 g_slist_free(items_to_move);
2926 }
2928 if (apply_clip_path)
2929 sp_document_done(doc, SP_VERB_OBJECT_UNSET_CLIPPATH, _("Release clipping path"));
2930 else
2931 sp_document_done(doc, SP_VERB_OBJECT_UNSET_MASK, _("Release mask"));
2932 }
2934 /**
2935 * Returns true if an undoable change should be recorded.
2936 */
2937 bool
2938 fit_canvas_to_selection(SPDesktop *desktop)
2939 {
2940 g_return_val_if_fail(desktop != NULL, false);
2941 SPDocument *doc = sp_desktop_document(desktop);
2943 g_return_val_if_fail(doc != NULL, false);
2944 g_return_val_if_fail(desktop->selection != NULL, false);
2946 if (desktop->selection->isEmpty()) {
2947 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to fit canvas to."));
2948 return false;
2949 }
2950 Geom::OptRect const bbox(desktop->selection->bounds());
2951 if (bbox) {
2952 doc->fitToRect(*bbox);
2953 return true;
2954 } else {
2955 return false;
2956 }
2957 }
2959 /**
2960 * Fit canvas to the bounding box of the selection, as an undoable action.
2961 */
2962 void
2963 verb_fit_canvas_to_selection(SPDesktop *const desktop)
2964 {
2965 if (fit_canvas_to_selection(desktop)) {
2966 sp_document_done(sp_desktop_document(desktop), SP_VERB_FIT_CANVAS_TO_SELECTION,
2967 _("Fit Page to Selection"));
2968 }
2969 }
2971 bool
2972 fit_canvas_to_drawing(SPDocument *doc)
2973 {
2974 g_return_val_if_fail(doc != NULL, false);
2976 sp_document_ensure_up_to_date(doc);
2977 SPItem const *const root = SP_ITEM(doc->root);
2978 Geom::OptRect const bbox(root->getBounds(sp_item_i2d_affine(root)));
2979 if (bbox) {
2980 doc->fitToRect(*bbox);
2981 return true;
2982 } else {
2983 return false;
2984 }
2985 }
2987 void
2988 verb_fit_canvas_to_drawing(SPDesktop *desktop)
2989 {
2990 if (fit_canvas_to_drawing(sp_desktop_document(desktop))) {
2991 sp_document_done(sp_desktop_document(desktop), SP_VERB_FIT_CANVAS_TO_DRAWING,
2992 _("Fit Page to Drawing"));
2993 }
2994 }
2996 void fit_canvas_to_selection_or_drawing(SPDesktop *desktop) {
2997 g_return_if_fail(desktop != NULL);
2998 SPDocument *doc = sp_desktop_document(desktop);
3000 g_return_if_fail(doc != NULL);
3001 g_return_if_fail(desktop->selection != NULL);
3003 bool const changed = ( desktop->selection->isEmpty()
3004 ? fit_canvas_to_drawing(doc)
3005 : fit_canvas_to_selection(desktop) );
3006 if (changed) {
3007 sp_document_done(sp_desktop_document(desktop), SP_VERB_FIT_CANVAS_TO_SELECTION_OR_DRAWING,
3008 _("Fit Page to Selection or Drawing"));
3009 }
3010 };
3012 static void itemtree_map(void (*f)(SPItem *, SPDesktop *), SPObject *root, SPDesktop *desktop) {
3013 // don't operate on layers
3014 if (SP_IS_ITEM(root) && !desktop->isLayer(SP_ITEM(root))) {
3015 f(SP_ITEM(root), desktop);
3016 }
3017 for ( SPObject::SiblingIterator iter = root->firstChild() ; iter ; ++iter ) {
3018 //don't recurse into locked layers
3019 if (!(SP_IS_ITEM(&*iter) && desktop->isLayer(SP_ITEM(&*iter)) && SP_ITEM(&*iter)->isLocked())) {
3020 itemtree_map(f, iter, desktop);
3021 }
3022 }
3023 }
3025 static void unlock(SPItem *item, SPDesktop */*desktop*/) {
3026 if (item->isLocked()) {
3027 item->setLocked(FALSE);
3028 }
3029 }
3031 static void unhide(SPItem *item, SPDesktop *desktop) {
3032 if (desktop->itemIsHidden(item)) {
3033 item->setExplicitlyHidden(FALSE);
3034 }
3035 }
3037 static void process_all(void (*f)(SPItem *, SPDesktop *), SPDesktop *dt, bool layer_only) {
3038 if (!dt) return;
3040 SPObject *root;
3041 if (layer_only) {
3042 root = dt->currentLayer();
3043 } else {
3044 root = dt->currentRoot();
3045 }
3047 itemtree_map(f, root, dt);
3048 }
3050 void unlock_all(SPDesktop *dt) {
3051 process_all(&unlock, dt, true);
3052 }
3054 void unlock_all_in_all_layers(SPDesktop *dt) {
3055 process_all(&unlock, dt, false);
3056 }
3058 void unhide_all(SPDesktop *dt) {
3059 process_all(&unhide, dt, true);
3060 }
3062 void unhide_all_in_all_layers(SPDesktop *dt) {
3063 process_all(&unhide, dt, false);
3064 }
3067 /*
3068 Local Variables:
3069 mode:c++
3070 c-file-style:"stroustrup"
3071 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
3072 indent-tabs-mode:nil
3073 fill-column:99
3074 End:
3075 */
3076 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :