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 "selection.h"
31 #include "tools-switch.h"
32 #include "desktop-handles.h"
33 #include "message-stack.h"
34 #include "sp-item-transform.h"
35 #include "marker.h"
36 #include "sp-use.h"
37 #include "sp-textpath.h"
38 #include "sp-tspan.h"
39 #include "sp-tref.h"
40 #include "sp-flowtext.h"
41 #include "sp-flowregion.h"
42 #include "text-editing.h"
43 #include "text-context.h"
44 #include "connector-context.h"
45 #include "sp-path.h"
46 #include "sp-conn-end.h"
47 #include "dropper-context.h"
48 #include <glibmm/i18n.h>
49 #include "libnr/nr-matrix-rotate-ops.h"
50 #include "libnr/nr-matrix-translate-ops.h"
51 #include "libnr/nr-scale-ops.h"
52 #include <libnr/nr-matrix-ops.h>
53 #include <2geom/transforms.h>
54 #include "xml/repr.h"
55 #include "style.h"
56 #include "document-private.h"
57 #include "sp-gradient.h"
58 #include "sp-gradient-reference.h"
59 #include "sp-linear-gradient-fns.h"
60 #include "sp-pattern.h"
61 #include "sp-radial-gradient-fns.h"
62 #include "sp-namedview.h"
63 #include "preferences.h"
64 #include "sp-offset.h"
65 #include "sp-clippath.h"
66 #include "sp-mask.h"
67 #include "file.h"
68 #include "helper/png-write.h"
69 #include "layer-fns.h"
70 #include "context-fns.h"
71 #include <map>
72 #include <cstring>
73 #include <string>
74 #include "helper/units.h"
75 #include "sp-item.h"
76 #include "box3d.h"
77 #include "unit-constants.h"
78 #include "xml/simple-document.h"
79 #include "sp-filter-reference.h"
80 #include "gradient-drag.h"
81 #include "uri-references.h"
82 #include "libnr/nr-convert2geom.h"
83 #include "display/curve.h"
84 #include "display/canvas-bpath.h"
86 // For clippath editing
87 #include "tools-switch.h"
88 #include "shape-editor.h"
89 #include "node-context.h"
90 #include "nodepath.h"
92 #include "ui/clipboard.h"
94 using Geom::X;
95 using Geom::Y;
97 /* The clipboard handling is in ui/clipboard.cpp now. There are some legacy functions left here,
98 because the layer manipulation code uses them. It should be rewritten specifically
99 for that purpose. */
101 /**
102 * Copies repr and its inherited css style elements, along with the accumulated transform 'full_t',
103 * then prepends the copy to 'clip'.
104 */
105 void sp_selection_copy_one (Inkscape::XML::Node *repr, Geom::Matrix full_t, GSList **clip, Inkscape::XML::Document* xml_doc)
106 {
107 Inkscape::XML::Node *copy = repr->duplicate(xml_doc);
109 // copy complete inherited style
110 SPCSSAttr *css = sp_repr_css_attr_inherited(repr, "style");
111 sp_repr_css_set(copy, css, "style");
112 sp_repr_css_attr_unref(css);
114 // write the complete accumulated transform passed to us
115 // (we're dealing with unattached repr, so we write to its attr
116 // instead of using sp_item_set_transform)
117 gchar *affinestr=sp_svg_transform_write(full_t);
118 copy->setAttribute("transform", affinestr);
119 g_free(affinestr);
121 *clip = g_slist_prepend(*clip, copy);
122 }
124 void sp_selection_copy_impl (GSList const *items, GSList **clip, Inkscape::XML::Document* xml_doc)
125 {
126 // Sort items:
127 GSList *sorted_items = g_slist_copy ((GSList *) items);
128 sorted_items = g_slist_sort((GSList *) sorted_items, (GCompareFunc) sp_object_compare_position);
130 // Copy item reprs:
131 for (GSList *i = (GSList *) sorted_items; i != NULL; i = i->next) {
132 sp_selection_copy_one (SP_OBJECT_REPR (i->data), sp_item_i2doc_affine(SP_ITEM (i->data)), clip, xml_doc);
133 }
135 *clip = g_slist_reverse(*clip);
136 g_slist_free ((GSList *) sorted_items);
137 }
139 GSList *sp_selection_paste_impl (SPDocument *doc, SPObject *parent, GSList **clip)
140 {
141 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
143 GSList *copied = NULL;
144 // add objects to document
145 for (GSList *l = *clip; l != NULL; l = l->next) {
146 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
147 Inkscape::XML::Node *copy = repr->duplicate(xml_doc);
149 // premultiply the item transform by the accumulated parent transform in the paste layer
150 Geom::Matrix local (sp_item_i2doc_affine(SP_ITEM(parent)));
151 if (!local.isIdentity()) {
152 gchar const *t_str = copy->attribute("transform");
153 Geom::Matrix item_t (Geom::identity());
154 if (t_str)
155 sp_svg_transform_read(t_str, &item_t);
156 item_t *= local.inverse();
157 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
158 gchar *affinestr=sp_svg_transform_write(item_t);
159 copy->setAttribute("transform", affinestr);
160 g_free(affinestr);
161 }
163 parent->appendChildRepr(copy);
164 copied = g_slist_prepend(copied, copy);
165 Inkscape::GC::release(copy);
166 }
167 return copied;
168 }
170 void sp_selection_delete_impl(GSList const *items, bool propagate = true, bool propagate_descendants = true)
171 {
172 for (GSList const *i = items ; i ; i = i->next ) {
173 sp_object_ref((SPObject *)i->data, NULL);
174 }
175 for (GSList const *i = items; i != NULL; i = i->next) {
176 SPItem *item = (SPItem *) i->data;
177 SP_OBJECT(item)->deleteObject(propagate, propagate_descendants);
178 sp_object_unref((SPObject *)item, NULL);
179 }
180 }
183 void sp_selection_delete(SPDesktop *desktop)
184 {
185 if (desktop == NULL) {
186 return;
187 }
189 if (tools_isactive (desktop, TOOLS_TEXT))
190 if (sp_text_delete_selection(desktop->event_context)) {
191 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_TEXT,
192 _("Delete text"));
193 return;
194 }
196 Inkscape::Selection *selection = sp_desktop_selection(desktop);
198 // check if something is selected
199 if (selection->isEmpty()) {
200 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Nothing</b> was deleted."));
201 return;
202 }
204 GSList const *selected = g_slist_copy(const_cast<GSList *>(selection->itemList()));
205 selection->clear();
206 sp_selection_delete_impl (selected);
207 g_slist_free ((GSList *) selected);
209 /* a tool may have set up private information in it's selection context
210 * that depends on desktop items. I think the only sane way to deal with
211 * this currently is to reset the current tool, which will reset it's
212 * associated selection context. For example: deleting an object
213 * while moving it around the canvas.
214 */
215 tools_switch ( desktop, tools_active ( desktop ) );
217 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DELETE,
218 _("Delete"));
219 }
221 void add_ids_recursive (std::vector<const gchar *> &ids, SPObject *obj)
222 {
223 if (!obj)
224 return;
226 ids.push_back(SP_OBJECT_ID(obj));
228 if (SP_IS_GROUP(obj)) {
229 for (SPObject *child = sp_object_first_child(obj) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
230 add_ids_recursive (ids, child);
231 }
232 }
233 }
235 void sp_selection_duplicate(SPDesktop *desktop, bool suppressDone)
236 {
237 if (desktop == NULL)
238 return;
240 SPDocument *doc = desktop->doc();
241 Inkscape::XML::Document* xml_doc = sp_document_repr_doc(doc);
242 Inkscape::Selection *selection = sp_desktop_selection(desktop);
244 // check if something is selected
245 if (selection->isEmpty()) {
246 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to duplicate."));
247 return;
248 }
250 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
252 selection->clear();
254 // sorting items from different parents sorts each parent's subset without possibly mixing
255 // them, just what we need
256 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
258 GSList *newsel = NULL;
260 std::vector<const gchar *> old_ids;
261 std::vector<const gchar *> new_ids;
262 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
263 bool relink_clones = prefs->getBool("/options/relinkclonesonduplicate/value");
265 while (reprs) {
266 Inkscape::XML::Node *old_repr = (Inkscape::XML::Node *) reprs->data;
267 Inkscape::XML::Node *parent = old_repr->parent();
268 Inkscape::XML::Node *copy = old_repr->duplicate(xml_doc);
270 parent->appendChild(copy);
272 if (relink_clones) {
273 SPObject *old_obj = doc->getObjectByRepr(old_repr);
274 SPObject *new_obj = doc->getObjectByRepr(copy);
275 add_ids_recursive (old_ids, old_obj);
276 add_ids_recursive (new_ids, new_obj);
277 }
279 newsel = g_slist_prepend(newsel, copy);
280 reprs = g_slist_remove(reprs, reprs->data);
281 Inkscape::GC::release(copy);
282 }
284 if (relink_clones) {
286 g_assert (old_ids.size() == new_ids.size());
288 for(unsigned int i = 0; i < old_ids.size(); i++) {
289 const gchar *id = old_ids[i];
290 SPObject *old_clone = doc->getObjectById(id);
291 if (SP_IS_USE(old_clone)) {
292 SPItem *orig = sp_use_get_original(SP_USE(old_clone));
293 for(unsigned int j = 0; j < old_ids.size(); j++) {
294 if (!strcmp(SP_OBJECT_ID(orig), old_ids[j])) {
295 // we have both orig and clone in selection, relink
296 // std::cout << id << " old, its ori: " << SP_OBJECT_ID(orig) << "; will relink:" << new_ids[i] << " to " << new_ids[j] << "\n";
297 gchar *newref = g_strdup_printf ("#%s", new_ids[j]);
298 SPObject *new_clone = doc->getObjectById(new_ids[i]);
299 SP_OBJECT_REPR(new_clone)->setAttribute("xlink:href", newref);
300 new_clone->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
301 g_free (newref);
302 }
303 }
304 }
305 }
306 }
309 if ( !suppressDone ) {
310 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DUPLICATE,
311 _("Duplicate"));
312 }
314 selection->setReprList(newsel);
316 g_slist_free(newsel);
317 }
319 void sp_edit_clear_all(SPDesktop *dt)
320 {
321 if (!dt)
322 return;
324 SPDocument *doc = sp_desktop_document(dt);
325 sp_desktop_selection(dt)->clear();
327 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
328 GSList *items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
330 while (items) {
331 SP_OBJECT (items->data)->deleteObject();
332 items = g_slist_remove(items, items->data);
333 }
335 sp_document_done(doc, SP_VERB_EDIT_CLEAR_ALL,
336 _("Delete all"));
337 }
339 GSList *
340 get_all_items (GSList *list, SPObject *from, SPDesktop *desktop, bool onlyvisible, bool onlysensitive, GSList const *exclude)
341 {
342 for (SPObject *child = sp_object_first_child(SP_OBJECT(from)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
343 if (SP_IS_ITEM(child) &&
344 !desktop->isLayer(SP_ITEM(child)) &&
345 (!onlysensitive || !SP_ITEM(child)->isLocked()) &&
346 (!onlyvisible || !desktop->itemIsHidden(SP_ITEM(child))) &&
347 (!exclude || !g_slist_find ((GSList *) exclude, child))
348 )
349 {
350 list = g_slist_prepend (list, SP_ITEM(child));
351 }
353 if (SP_IS_ITEM(child) && desktop->isLayer(SP_ITEM(child))) {
354 list = get_all_items (list, child, desktop, onlyvisible, onlysensitive, exclude);
355 }
356 }
358 return list;
359 }
361 void sp_edit_select_all_full (SPDesktop *dt, bool force_all_layers, bool invert)
362 {
363 if (!dt)
364 return;
366 Inkscape::Selection *selection = sp_desktop_selection(dt);
368 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
370 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
371 PrefsSelectionContext inlayer = (PrefsSelectionContext) prefs->getInt("/options/kbselection/inlayer", PREFS_SELECTION_LAYER);
372 bool onlyvisible = prefs->getBool("/options/kbselection/onlyvisible", true);
373 bool onlysensitive = prefs->getBool("/options/kbselection/onlysensitive", true);
375 GSList *items = NULL;
377 GSList const *exclude = NULL;
378 if (invert) {
379 exclude = selection->itemList();
380 }
382 if (force_all_layers)
383 inlayer = PREFS_SELECTION_ALL;
385 switch (inlayer) {
386 case PREFS_SELECTION_LAYER: {
387 if ( (onlysensitive && SP_ITEM(dt->currentLayer())->isLocked()) ||
388 (onlyvisible && dt->itemIsHidden(SP_ITEM(dt->currentLayer()))) )
389 return;
391 GSList *all_items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
393 for (GSList *i = all_items; i; i = i->next) {
394 SPItem *item = SP_ITEM (i->data);
396 if (item && (!onlysensitive || !item->isLocked())) {
397 if (!onlyvisible || !dt->itemIsHidden(item)) {
398 if (!dt->isLayer(item)) {
399 if (!invert || !g_slist_find ((GSList *) exclude, item)) {
400 items = g_slist_prepend (items, item); // leave it in the list
401 }
402 }
403 }
404 }
405 }
407 g_slist_free (all_items);
408 break;
409 }
410 case PREFS_SELECTION_LAYER_RECURSIVE: {
411 items = get_all_items (NULL, dt->currentLayer(), dt, onlyvisible, onlysensitive, exclude);
412 break;
413 }
414 default: {
415 items = get_all_items (NULL, dt->currentRoot(), dt, onlyvisible, onlysensitive, exclude);
416 break;
417 }
418 }
420 selection->setList (items);
422 if (items) {
423 g_slist_free (items);
424 }
425 }
427 void sp_edit_select_all (SPDesktop *desktop)
428 {
429 sp_edit_select_all_full (desktop, false, false);
430 }
432 void sp_edit_select_all_in_all_layers (SPDesktop *desktop)
433 {
434 sp_edit_select_all_full (desktop, true, false);
435 }
437 void sp_edit_invert (SPDesktop *desktop)
438 {
439 sp_edit_select_all_full (desktop, false, true);
440 }
442 void sp_edit_invert_in_all_layers (SPDesktop *desktop)
443 {
444 sp_edit_select_all_full (desktop, true, true);
445 }
447 void sp_selection_group(SPDesktop *desktop)
448 {
449 if (desktop == NULL)
450 return;
452 SPDocument *doc = sp_desktop_document (desktop);
453 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
455 Inkscape::Selection *selection = sp_desktop_selection(desktop);
457 // Check if something is selected.
458 if (selection->isEmpty()) {
459 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>some objects</b> to group."));
460 return;
461 }
463 GSList const *l = (GSList *) selection->reprList();
465 GSList *p = g_slist_copy((GSList *) l);
467 selection->clear();
469 p = g_slist_sort(p, (GCompareFunc) sp_repr_compare_position);
471 // Remember the position and parent of the topmost object.
472 gint topmost = ((Inkscape::XML::Node *) g_slist_last(p)->data)->position();
473 Inkscape::XML::Node *topmost_parent = ((Inkscape::XML::Node *) g_slist_last(p)->data)->parent();
475 Inkscape::XML::Node *group = xml_doc->createElement("svg:g");
477 while (p) {
478 Inkscape::XML::Node *current = (Inkscape::XML::Node *) p->data;
480 if (current->parent() == topmost_parent) {
481 Inkscape::XML::Node *spnew = current->duplicate(xml_doc);
482 sp_repr_unparent(current);
483 group->appendChild(spnew);
484 Inkscape::GC::release(spnew);
485 topmost --; // only reduce count for those items deleted from topmost_parent
486 } else { // move it to topmost_parent first
487 GSList *temp_clip = NULL;
489 // At this point, current may already have no item, due to its being a clone whose original is already moved away
490 // So we copy it artificially calculating the transform from its repr->attr("transform") and the parent transform
491 gchar const *t_str = current->attribute("transform");
492 Geom::Matrix item_t (Geom::identity());
493 if (t_str)
494 sp_svg_transform_read(t_str, &item_t);
495 item_t *= sp_item_i2doc_affine(SP_ITEM(doc->getObjectByRepr(current->parent())));
496 //FIXME: when moving both clone and original from a transformed group (either by
497 //grouping into another parent, or by cut/paste) the transform from the original's
498 //parent becomes embedded into original itself, and this affects its clones. Fix
499 //this by remembering the transform diffs we write to each item into an array and
500 //then, if this is clone, looking up its original in that array and pre-multiplying
501 //it by the inverse of that original's transform diff.
503 sp_selection_copy_one (current, item_t, &temp_clip, xml_doc);
504 sp_repr_unparent(current);
506 // paste into topmost_parent (temporarily)
507 GSList *copied = sp_selection_paste_impl (doc, doc->getObjectByRepr(topmost_parent), &temp_clip);
508 if (temp_clip) g_slist_free (temp_clip);
509 if (copied) { // if success,
510 // take pasted object (now in topmost_parent)
511 Inkscape::XML::Node *in_topmost = (Inkscape::XML::Node *) copied->data;
512 // make a copy
513 Inkscape::XML::Node *spnew = in_topmost->duplicate(xml_doc);
514 // remove pasted
515 sp_repr_unparent(in_topmost);
516 // put its copy into group
517 group->appendChild(spnew);
518 Inkscape::GC::release(spnew);
519 g_slist_free (copied);
520 }
521 }
522 p = g_slist_remove(p, current);
523 }
525 // Add the new group to the topmost members' parent
526 topmost_parent->appendChild(group);
528 // Move to the position of the topmost, reduced by the number of items deleted from topmost_parent
529 group->setPosition(topmost + 1);
531 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_GROUP,
532 _("Group"));
534 selection->set(group);
535 Inkscape::GC::release(group);
536 }
538 void sp_selection_ungroup(SPDesktop *desktop)
539 {
540 if (desktop == NULL)
541 return;
543 Inkscape::Selection *selection = sp_desktop_selection(desktop);
545 if (selection->isEmpty()) {
546 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>group</b> to ungroup."));
547 return;
548 }
550 GSList *items = g_slist_copy((GSList *) selection->itemList());
551 selection->clear();
553 // Get a copy of current selection.
554 GSList *new_select = NULL;
555 bool ungrouped = false;
556 for (GSList *i = items;
557 i != NULL;
558 i = i->next)
559 {
560 SPItem *group = (SPItem *) i->data;
562 // when ungrouping cloned groups with their originals, some objects that were selected may no more exist due to unlinking
563 if (!SP_IS_OBJECT(group)) {
564 continue;
565 }
567 /* We do not allow ungrouping <svg> etc. (lauris) */
568 if (strcmp(SP_OBJECT_REPR(group)->name(), "svg:g") && strcmp(SP_OBJECT_REPR(group)->name(), "svg:switch")) {
569 // keep the non-group item in the new selection
570 selection->add(group);
571 continue;
572 }
574 GSList *children = NULL;
575 /* This is not strictly required, but is nicer to rely on group ::destroy (lauris) */
576 sp_item_group_ungroup(SP_GROUP(group), &children, false);
577 ungrouped = true;
578 // Add ungrouped items to the new selection.
579 new_select = g_slist_concat(new_select, children);
580 }
582 if (new_select) { // Set new selection.
583 selection->addList(new_select);
584 g_slist_free(new_select);
585 }
586 if (!ungrouped) {
587 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No groups</b> to ungroup in the selection."));
588 }
590 g_slist_free(items);
592 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_UNGROUP,
593 _("Ungroup"));
594 }
596 /** Replace all groups in the list with their member objects, recursively; returns a new list, frees old */
597 GSList *
598 sp_degroup_list (GSList *items)
599 {
600 GSList *out = NULL;
601 bool has_groups = false;
602 for (GSList *item = items; item; item = item->next) {
603 if (!SP_IS_GROUP(item->data)) {
604 out = g_slist_prepend(out, item->data);
605 } else {
606 has_groups = true;
607 GSList *members = sp_item_group_item_list (SP_GROUP(item->data));
608 for (GSList *member = members; member; member = member->next) {
609 out = g_slist_prepend(out, member->data);
610 }
611 g_slist_free (members);
612 }
613 }
614 out = g_slist_reverse (out);
615 g_slist_free (items);
617 if (has_groups) { // recurse if we unwrapped a group - it may have contained others
618 out = sp_degroup_list (out);
619 }
621 return out;
622 }
625 /** If items in the list have a common parent, return it, otherwise return NULL */
626 static SPGroup *
627 sp_item_list_common_parent_group(GSList const *items)
628 {
629 if (!items) {
630 return NULL;
631 }
632 SPObject *parent = SP_OBJECT_PARENT(items->data);
633 /* Strictly speaking this CAN happen, if user selects <svg> from Inkscape::XML editor */
634 if (!SP_IS_GROUP(parent)) {
635 return NULL;
636 }
637 for (items = items->next; items; items = items->next) {
638 if (SP_OBJECT_PARENT(items->data) != parent) {
639 return NULL;
640 }
641 }
643 return SP_GROUP(parent);
644 }
646 /** Finds out the minimum common bbox of the selected items. */
647 static Geom::OptRect
648 enclose_items(GSList const *items)
649 {
650 g_assert(items != NULL);
652 Geom::OptRect r;
653 for (GSList const *i = items; i; i = i->next) {
654 r = Geom::unify(r, sp_item_bbox_desktop((SPItem *) i->data));
655 }
656 return r;
657 }
659 SPObject *
660 prev_sibling(SPObject *child)
661 {
662 SPObject *parent = SP_OBJECT_PARENT(child);
663 if (!SP_IS_GROUP(parent)) {
664 return NULL;
665 }
666 for ( SPObject *i = sp_object_first_child(parent) ; i; i = SP_OBJECT_NEXT(i) ) {
667 if (i->next == child)
668 return i;
669 }
670 return NULL;
671 }
673 void
674 sp_selection_raise(SPDesktop *desktop)
675 {
676 if (!desktop)
677 return;
679 Inkscape::Selection *selection = sp_desktop_selection(desktop);
681 GSList const *items = (GSList *) selection->itemList();
682 if (!items) {
683 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise."));
684 return;
685 }
687 SPGroup const *group = sp_item_list_common_parent_group(items);
688 if (!group) {
689 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
690 return;
691 }
693 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
695 /* Construct reverse-ordered list of selected children. */
696 GSList *rev = g_slist_copy((GSList *) items);
697 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
699 // Determine the common bbox of the selected items.
700 Geom::OptRect selected = enclose_items(items);
702 // Iterate over all objects in the selection (starting from top).
703 if (selected) {
704 while (rev) {
705 SPObject *child = SP_OBJECT(rev->data);
706 // for each selected object, find the next sibling
707 for (SPObject *newref = child->next; newref; newref = newref->next) {
708 // if the sibling is an item AND overlaps our selection,
709 if (SP_IS_ITEM(newref)) {
710 Geom::OptRect newref_bbox = sp_item_bbox_desktop(SP_ITEM(newref));
711 if ( newref_bbox && selected->intersects(*newref_bbox) ) {
712 // AND if it's not one of our selected objects,
713 if (!g_slist_find((GSList *) items, newref)) {
714 // move the selected object after that sibling
715 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(newref));
716 }
717 break;
718 }
719 }
720 }
721 rev = g_slist_remove(rev, child);
722 }
723 } else {
724 g_slist_free(rev);
725 }
727 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_RAISE,
728 //TRANSLATORS: Only put the word "Raise" in the translation. Means "to raise an object" in the undo history
729 Q_("undo_action|Raise"));
730 }
732 void sp_selection_raise_to_top(SPDesktop *desktop)
733 {
734 if (desktop == NULL)
735 return;
737 SPDocument *document = sp_desktop_document(desktop);
738 Inkscape::Selection *selection = sp_desktop_selection(desktop);
740 if (selection->isEmpty()) {
741 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise to top."));
742 return;
743 }
745 GSList const *items = (GSList *) selection->itemList();
747 SPGroup const *group = sp_item_list_common_parent_group(items);
748 if (!group) {
749 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
750 return;
751 }
753 GSList *rl = g_slist_copy((GSList *) selection->reprList());
754 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
756 for (GSList *l = rl; l != NULL; l = l->next) {
757 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
758 repr->setPosition(-1);
759 }
761 g_slist_free(rl);
763 sp_document_done(document, SP_VERB_SELECTION_TO_FRONT,
764 _("Raise to top"));
765 }
767 void
768 sp_selection_lower(SPDesktop *desktop)
769 {
770 if (desktop == NULL)
771 return;
773 Inkscape::Selection *selection = sp_desktop_selection(desktop);
775 GSList const *items = (GSList *) selection->itemList();
776 if (!items) {
777 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower."));
778 return;
779 }
781 SPGroup const *group = sp_item_list_common_parent_group(items);
782 if (!group) {
783 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
784 return;
785 }
787 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
789 // Determine the common bbox of the selected items.
790 Geom::OptRect selected = enclose_items(items);
792 /* Construct direct-ordered list of selected children. */
793 GSList *rev = g_slist_copy((GSList *) items);
794 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
795 rev = g_slist_reverse(rev);
797 // Iterate over all objects in the selection (starting from top).
798 if (selected) {
799 while (rev) {
800 SPObject *child = SP_OBJECT(rev->data);
801 // for each selected object, find the prev sibling
802 for (SPObject *newref = prev_sibling(child); newref; newref = prev_sibling(newref)) {
803 // if the sibling is an item AND overlaps our selection,
804 if (SP_IS_ITEM(newref)) {
805 Geom::OptRect ref_bbox = sp_item_bbox_desktop(SP_ITEM(newref));
806 if ( ref_bbox && selected->intersects(*ref_bbox) ) {
807 // AND if it's not one of our selected objects,
808 if (!g_slist_find((GSList *) items, newref)) {
809 // move the selected object before that sibling
810 SPObject *put_after = prev_sibling(newref);
811 if (put_after)
812 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(put_after));
813 else
814 SP_OBJECT_REPR(child)->setPosition(0);
815 }
816 break;
817 }
818 }
819 }
820 rev = g_slist_remove(rev, child);
821 }
822 } else {
823 g_slist_free(rev);
824 }
826 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_LOWER,
827 _("Lower"));
828 }
830 void sp_selection_lower_to_bottom(SPDesktop *desktop)
831 {
832 if (desktop == NULL)
833 return;
835 SPDocument *document = sp_desktop_document(desktop);
836 Inkscape::Selection *selection = sp_desktop_selection(desktop);
838 if (selection->isEmpty()) {
839 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower to bottom."));
840 return;
841 }
843 GSList const *items = (GSList *) selection->itemList();
845 SPGroup const *group = sp_item_list_common_parent_group(items);
846 if (!group) {
847 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
848 return;
849 }
851 GSList *rl;
852 rl = g_slist_copy((GSList *) selection->reprList());
853 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
854 rl = g_slist_reverse(rl);
856 for (GSList *l = rl; l != NULL; l = l->next) {
857 gint minpos;
858 SPObject *pp, *pc;
859 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
860 pp = document->getObjectByRepr(sp_repr_parent(repr));
861 minpos = 0;
862 g_assert(SP_IS_GROUP(pp));
863 pc = sp_object_first_child(pp);
864 while (!SP_IS_ITEM(pc)) {
865 minpos += 1;
866 pc = pc->next;
867 }
868 repr->setPosition(minpos);
869 }
871 g_slist_free(rl);
873 sp_document_done(document, SP_VERB_SELECTION_TO_BACK,
874 _("Lower to bottom"));
875 }
877 void
878 sp_undo(SPDesktop *desktop, SPDocument *)
879 {
880 if (!sp_document_undo(sp_desktop_document(desktop)))
881 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to undo."));
882 }
884 void
885 sp_redo(SPDesktop *desktop, SPDocument *)
886 {
887 if (!sp_document_redo(sp_desktop_document(desktop)))
888 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to redo."));
889 }
891 void sp_selection_cut(SPDesktop *desktop)
892 {
893 sp_selection_copy();
894 sp_selection_delete(desktop);
895 }
897 /**
898 * \pre item != NULL
899 */
900 SPCSSAttr *
901 take_style_from_item (SPItem *item)
902 {
903 // write the complete cascaded style, context-free
904 SPCSSAttr *css = sp_css_attr_from_object (SP_OBJECT(item), SP_STYLE_FLAG_ALWAYS);
905 if (css == NULL)
906 return NULL;
908 if ((SP_IS_GROUP(item) && SP_OBJECT(item)->children) ||
909 (SP_IS_TEXT (item) && SP_OBJECT(item)->children && SP_OBJECT(item)->children->next == NULL)) {
910 // if this is a text with exactly one tspan child, merge the style of that tspan as well
911 // If this is a group, merge the style of its topmost (last) child with style
912 for (SPObject *last_element = item->lastChild(); last_element != NULL; last_element = SP_OBJECT_PREV (last_element)) {
913 if (SP_OBJECT_STYLE (last_element) != NULL) {
914 SPCSSAttr *temp = sp_css_attr_from_object (last_element, SP_STYLE_FLAG_IFSET);
915 if (temp) {
916 sp_repr_css_merge (css, temp);
917 sp_repr_css_attr_unref (temp);
918 }
919 break;
920 }
921 }
922 }
923 if (!(SP_IS_TEXT (item) || SP_IS_TSPAN (item) || SP_IS_TREF(item) || SP_IS_STRING (item))) {
924 // do not copy text properties from non-text objects, it's confusing
925 css = sp_css_attr_unset_text (css);
926 }
928 // FIXME: also transform gradient/pattern fills, by forking? NO, this must be nondestructive
929 double ex = to_2geom(sp_item_i2doc_affine(item)).descrim();
930 if (ex != 1.0) {
931 css = sp_css_attr_scale (css, ex);
932 }
934 return css;
935 }
938 void sp_selection_copy()
939 {
940 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
941 cm->copy();
942 }
944 void sp_selection_paste(SPDesktop *desktop, bool in_place)
945 {
946 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
947 if(cm->paste(in_place))
948 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_PASTE, _("Paste"));
949 }
951 void sp_selection_paste_style(SPDesktop *desktop)
952 {
953 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
954 if(cm->pasteStyle())
955 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_PASTE_STYLE, _("Paste style"));
956 }
959 void sp_selection_paste_livepatheffect(SPDesktop *desktop)
960 {
961 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
962 if(cm->pastePathEffect())
963 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_PASTE_LIVEPATHEFFECT,
964 _("Paste live path effect"));
965 }
968 void sp_selection_remove_livepatheffect_impl(SPItem *item)
969 {
970 if ( item && SP_IS_LPE_ITEM(item) ) {
971 sp_lpe_item_remove_all_path_effects(SP_LPE_ITEM(item), false);
972 }
973 }
975 void sp_selection_remove_livepatheffect(SPDesktop *desktop)
976 {
977 if (desktop == NULL) return;
979 Inkscape::Selection *selection = sp_desktop_selection(desktop);
981 // check if something is selected
982 if (selection->isEmpty()) {
983 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove live path effects from."));
984 return;
985 }
987 for ( GSList const *itemlist = selection->itemList(); itemlist != NULL; itemlist = g_slist_next(itemlist) ) {
988 SPItem *item = reinterpret_cast<SPItem*>(itemlist->data);
990 sp_selection_remove_livepatheffect_impl(item);
992 }
994 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_REMOVE_LIVEPATHEFFECT,
995 _("Remove live path effect"));
996 }
998 void sp_selection_remove_filter (SPDesktop *desktop)
999 {
1000 if (desktop == NULL) return;
1002 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1004 // check if something is selected
1005 if (selection->isEmpty()) {
1006 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove filters from."));
1007 return;
1008 }
1010 SPCSSAttr *css = sp_repr_css_attr_new();
1011 sp_repr_css_unset_property(css, "filter");
1012 sp_desktop_set_style(desktop, css);
1013 sp_repr_css_attr_unref(css);
1015 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_REMOVE_FILTER,
1016 _("Remove filter"));
1017 }
1020 void sp_selection_paste_size (SPDesktop *desktop, bool apply_x, bool apply_y)
1021 {
1022 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
1023 if(cm->pasteSize(false, apply_x, apply_y))
1024 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_PASTE_SIZE,
1025 _("Paste size"));
1026 }
1028 void sp_selection_paste_size_separately (SPDesktop *desktop, bool apply_x, bool apply_y)
1029 {
1030 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
1031 if(cm->pasteSize(true, apply_x, apply_y))
1032 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_PASTE_SIZE_SEPARATELY,
1033 _("Paste size separately"));
1034 }
1036 void sp_selection_to_next_layer(SPDesktop *dt, bool suppressDone)
1037 {
1038 Inkscape::Selection *selection = sp_desktop_selection(dt);
1040 // check if something is selected
1041 if (selection->isEmpty()) {
1042 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer above."));
1043 return;
1044 }
1046 GSList const *items = g_slist_copy ((GSList *) selection->itemList());
1048 bool no_more = false; // Set to true, if no more layers above
1049 SPObject *next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer());
1050 if (next) {
1051 GSList *temp_clip = NULL;
1052 sp_selection_copy_impl (items, &temp_clip, sp_document_repr_doc(dt->doc()));
1053 sp_selection_delete_impl (items, false, false);
1054 next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1055 GSList *copied;
1056 if(next) {
1057 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip);
1058 } else {
1059 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip);
1060 no_more = true;
1061 }
1062 selection->setReprList((GSList const *) copied);
1063 g_slist_free (copied);
1064 if (temp_clip) g_slist_free (temp_clip);
1065 if (next) dt->setCurrentLayer(next);
1066 if ( !suppressDone ) {
1067 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_NEXT,
1068 _("Raise to next layer"));
1069 }
1070 } else {
1071 no_more = true;
1072 }
1074 if (no_more) {
1075 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers above."));
1076 }
1078 g_slist_free ((GSList *) items);
1079 }
1081 void sp_selection_to_prev_layer(SPDesktop *dt, bool suppressDone)
1082 {
1083 Inkscape::Selection *selection = sp_desktop_selection(dt);
1085 // check if something is selected
1086 if (selection->isEmpty()) {
1087 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer below."));
1088 return;
1089 }
1091 GSList const *items = g_slist_copy ((GSList *) selection->itemList());
1093 bool no_more = false; // Set to true, if no more layers below
1094 SPObject *next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer());
1095 if (next) {
1096 GSList *temp_clip = NULL;
1097 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
1098 sp_selection_delete_impl (items, false, false);
1099 next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1100 GSList *copied;
1101 if(next) {
1102 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip);
1103 } else {
1104 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip);
1105 no_more = true;
1106 }
1107 selection->setReprList((GSList const *) copied);
1108 g_slist_free (copied);
1109 if (temp_clip) g_slist_free (temp_clip);
1110 if (next) dt->setCurrentLayer(next);
1111 if ( !suppressDone ) {
1112 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_PREV,
1113 _("Lower to previous layer"));
1114 }
1115 } else {
1116 no_more = true;
1117 }
1119 if (no_more) {
1120 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers below."));
1121 }
1123 g_slist_free ((GSList *) items);
1124 }
1126 bool
1127 selection_contains_original (SPItem *item, Inkscape::Selection *selection)
1128 {
1129 bool contains_original = false;
1131 bool is_use = SP_IS_USE(item);
1132 SPItem *item_use = item;
1133 SPItem *item_use_first = item;
1134 while (is_use && item_use && !contains_original)
1135 {
1136 item_use = sp_use_get_original (SP_USE(item_use));
1137 contains_original |= selection->includes(item_use);
1138 if (item_use == item_use_first)
1139 break;
1140 is_use = SP_IS_USE(item_use);
1141 }
1143 // If it's a tref, check whether the object containing the character
1144 // data is part of the selection
1145 if (!contains_original && SP_IS_TREF(item)) {
1146 contains_original = selection->includes(SP_TREF(item)->getObjectReferredTo());
1147 }
1149 return contains_original;
1150 }
1153 bool
1154 selection_contains_both_clone_and_original (Inkscape::Selection *selection)
1155 {
1156 bool clone_with_original = false;
1157 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1158 SPItem *item = SP_ITEM(l->data);
1159 clone_with_original |= selection_contains_original(item, selection);
1160 if (clone_with_original)
1161 break;
1162 }
1163 return clone_with_original;
1164 }
1167 /** Apply matrix to the selection. \a set_i2d is normally true, which means objects are in the
1168 original transform, synced with their reprs, and need to jump to the new transform in one go. A
1169 value of set_i2d==false is only used by seltrans when it's dragging objects live (not outlines); in
1170 that case, items are already in the new position, but the repr is in the old, and this function
1171 then simply updates the repr from item->transform.
1172 */
1173 void sp_selection_apply_affine(Inkscape::Selection *selection, Geom::Matrix const &affine, bool set_i2d)
1174 {
1175 if (selection->isEmpty())
1176 return;
1178 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1179 SPItem *item = SP_ITEM(l->data);
1181 Geom::Point old_center(0,0);
1182 if (set_i2d && item->isCenterSet())
1183 old_center = item->getCenter();
1185 #if 0 /* Re-enable this once persistent guides have a graphical indication.
1186 At the time of writing, this is the only place to re-enable. */
1187 sp_item_update_cns(*item, selection->desktop());
1188 #endif
1190 // we're moving both a clone and its original or any ancestor in clone chain?
1191 bool transform_clone_with_original = selection_contains_original(item, selection);
1192 // ...both a text-on-path and its path?
1193 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)))) ));
1194 // ...both a flowtext and its frame?
1195 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)
1196 // ...both an offset and its source?
1197 bool transform_offset_with_source = (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) && selection->includes( sp_offset_get_source (SP_OFFSET(item)) );
1199 // If we're moving a connector, we want to detach it
1200 // from shapes that aren't part of the selection, but
1201 // leave it attached if they are
1202 if (cc_item_is_connector(item)) {
1203 SPItem *attItem[2];
1204 SP_PATH(item)->connEndPair.getAttachedItems(attItem);
1206 for (int n = 0; n < 2; ++n) {
1207 if (!selection->includes(attItem[n])) {
1208 sp_conn_end_detach(item, n);
1209 }
1210 }
1211 }
1213 // "clones are unmoved when original is moved" preference
1214 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1215 int compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
1216 bool prefs_unmoved = (compensation == SP_CLONE_COMPENSATION_UNMOVED);
1217 bool prefs_parallel = (compensation == SP_CLONE_COMPENSATION_PARALLEL);
1219 // If this is a clone and it's selected along with its original, do not move it; it will feel the
1220 // transform of its original and respond to it itself. Without this, a clone is doubly
1221 // transformed, very unintuitive.
1222 // Same for textpath if we are also doing ANY transform to its path: do not touch textpath,
1223 // letters cannot be squeezed or rotated anyway, they only refill the changed path.
1224 // Same for linked offset if we are also moving its source: do not move it.
1225 if (transform_textpath_with_path || transform_offset_with_source) {
1226 // restore item->transform field from the repr, in case it was changed by seltrans
1227 sp_object_read_attr (SP_OBJECT (item), "transform");
1229 } else if (transform_flowtext_with_frame) {
1230 // apply the inverse of the region's transform to the <use> so that the flow remains
1231 // the same (even though the output itself gets transformed)
1232 for (SPObject *region = item->firstChild() ; region ; region = SP_OBJECT_NEXT(region)) {
1233 if (!SP_IS_FLOWREGION(region) && !SP_IS_FLOWREGIONEXCLUDE(region))
1234 continue;
1235 for (SPObject *use = region->firstChild() ; use ; use = SP_OBJECT_NEXT(use)) {
1236 if (!SP_IS_USE(use)) continue;
1237 sp_item_write_transform(SP_USE(use), SP_OBJECT_REPR(use), item->transform.inverse(), NULL);
1238 }
1239 }
1240 } else if (transform_clone_with_original) {
1241 // We are transforming a clone along with its original. The below matrix juggling is
1242 // necessary to ensure that they transform as a whole, i.e. the clone's induced
1243 // transform and its move compensation are both cancelled out.
1245 // restore item->transform field from the repr, in case it was changed by seltrans
1246 sp_object_read_attr (SP_OBJECT (item), "transform");
1248 // calculate the matrix we need to apply to the clone to cancel its induced transform from its original
1249 Geom::Matrix parent2dt = sp_item_i2d_affine(SP_ITEM(SP_OBJECT_PARENT (item)));
1250 Geom::Matrix t = parent2dt * affine * parent2dt.inverse();
1251 Geom::Matrix t_inv = t.inverse();
1252 Geom::Matrix result = t_inv * item->transform * t;
1254 if ((prefs_parallel || prefs_unmoved) && affine.isTranslation()) {
1255 // we need to cancel out the move compensation, too
1257 // find out the clone move, same as in sp_use_move_compensate
1258 Geom::Matrix parent = sp_use_get_parent_transform (SP_USE(item));
1259 Geom::Matrix clone_move = parent.inverse() * t * parent;
1261 if (prefs_parallel) {
1262 Geom::Matrix move = result * clone_move * t_inv;
1263 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move);
1265 } else if (prefs_unmoved) {
1266 //if (SP_IS_USE(sp_use_get_original(SP_USE(item))))
1267 // clone_move = Geom::identity();
1268 Geom::Matrix move = result * clone_move;
1269 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &t);
1270 }
1272 } else {
1273 // just apply the result
1274 sp_item_write_transform(item, SP_OBJECT_REPR(item), result, &t);
1275 }
1277 } else {
1278 if (set_i2d) {
1279 sp_item_set_i2d_affine(item, sp_item_i2d_affine(item) * (Geom::Matrix)affine);
1280 }
1281 sp_item_write_transform(item, SP_OBJECT_REPR(item), item->transform, NULL);
1282 }
1284 // if we're moving the actual object, not just updating the repr, we can transform the
1285 // center by the same matrix (only necessary for non-translations)
1286 if (set_i2d && item->isCenterSet() && !affine.isTranslation()) {
1287 item->setCenter(old_center * affine);
1288 SP_OBJECT(item)->updateRepr();
1289 }
1290 }
1291 }
1293 void sp_selection_remove_transform(SPDesktop *desktop)
1294 {
1295 if (desktop == NULL)
1296 return;
1298 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1300 GSList const *l = (GSList *) selection->reprList();
1301 while (l != NULL) {
1302 ((Inkscape::XML::Node*)l->data)->setAttribute("transform", NULL, false);
1303 l = l->next;
1304 }
1306 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_FLATTEN,
1307 _("Remove transform"));
1308 }
1310 void
1311 sp_selection_scale_absolute(Inkscape::Selection *selection,
1312 double const x0, double const x1,
1313 double const y0, double const y1)
1314 {
1315 if (selection->isEmpty())
1316 return;
1318 Geom::OptRect const bbox(selection->bounds());
1319 if ( !bbox ) {
1320 return;
1321 }
1323 Geom::Translate const p2o(-bbox->min());
1325 Geom::Scale const newSize(x1 - x0,
1326 y1 - y0);
1327 Geom::Scale const scale( newSize * Geom::Scale(bbox->dimensions()).inverse() );
1328 Geom::Translate const o2n(x0, y0);
1329 Geom::Matrix const final( p2o * scale * o2n );
1331 sp_selection_apply_affine(selection, final);
1332 }
1335 void sp_selection_scale_relative(Inkscape::Selection *selection, Geom::Point const &align, Geom::Scale const &scale)
1336 {
1337 if (selection->isEmpty())
1338 return;
1340 Geom::OptRect const bbox(selection->bounds());
1342 if ( !bbox ) {
1343 return;
1344 }
1346 // FIXME: ARBITRARY LIMIT: don't try to scale above 1 Mpx, it won't display properly and will crash sooner or later anyway
1347 if ( bbox->dimensions()[Geom::X] * scale[Geom::X] > 1e6 ||
1348 bbox->dimensions()[Geom::Y] * scale[Geom::Y] > 1e6 )
1349 {
1350 return;
1351 }
1353 Geom::Translate const n2d(-align);
1354 Geom::Translate const d2n(align);
1355 Geom::Matrix const final( n2d * scale * d2n );
1356 sp_selection_apply_affine(selection, final);
1357 }
1359 void
1360 sp_selection_rotate_relative(Inkscape::Selection *selection, Geom::Point const ¢er, gdouble const angle_degrees)
1361 {
1362 Geom::Translate const d2n(center);
1363 Geom::Translate const n2d(-center);
1364 Geom::Rotate const rotate(Geom::Rotate::from_degrees(angle_degrees));
1365 Geom::Matrix const final( Geom::Matrix(n2d) * rotate * d2n );
1366 sp_selection_apply_affine(selection, final);
1367 }
1369 void
1370 sp_selection_skew_relative(Inkscape::Selection *selection, Geom::Point const &align, double dx, double dy)
1371 {
1372 Geom::Translate const d2n(align);
1373 Geom::Translate const n2d(-align);
1374 Geom::Matrix const skew(1, dy,
1375 dx, 1,
1376 0, 0);
1377 Geom::Matrix const final( n2d * skew * d2n );
1378 sp_selection_apply_affine(selection, final);
1379 }
1381 void sp_selection_move_relative(Inkscape::Selection *selection, Geom::Point const &move)
1382 {
1383 sp_selection_apply_affine(selection, Geom::Matrix(Geom::Translate(move)));
1384 }
1386 void sp_selection_move_relative(Inkscape::Selection *selection, double dx, double dy)
1387 {
1388 sp_selection_apply_affine(selection, Geom::Matrix(Geom::Translate(dx, dy)));
1389 }
1391 /**
1392 * @brief Rotates selected objects 90 degrees, either clock-wise or counter-clockwise, depending on the value of ccw
1393 */
1394 void sp_selection_rotate_90(SPDesktop *desktop, bool ccw)
1395 {
1396 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1398 if (selection->isEmpty())
1399 return;
1401 GSList const *l = selection->itemList();
1402 Geom::Rotate const rot_90(Geom::Point(0, ccw ? 1 : -1)); // pos. or neg. rotation, depending on the value of ccw
1403 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1404 SPItem *item = SP_ITEM(l2->data);
1405 sp_item_rotate_rel(item, rot_90);
1406 }
1408 sp_document_done(sp_desktop_document(desktop),
1409 ccw ? SP_VERB_OBJECT_ROTATE_90_CCW : SP_VERB_OBJECT_ROTATE_90_CW,
1410 ccw ? _("Rotate 90° CCW") : _("Rotate 90° CW"));
1411 }
1413 void
1414 sp_selection_rotate(Inkscape::Selection *selection, gdouble const angle_degrees)
1415 {
1416 if (selection->isEmpty())
1417 return;
1419 boost::optional<Geom::Point> center = selection->center();
1420 if (!center) {
1421 return;
1422 }
1424 sp_selection_rotate_relative(selection, *center, angle_degrees);
1426 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1427 ( ( angle_degrees > 0 )
1428 ? "selector:rotate:ccw"
1429 : "selector:rotate:cw" ),
1430 SP_VERB_CONTEXT_SELECT,
1431 _("Rotate"));
1432 }
1434 // helper function:
1435 static
1436 Geom::Point
1437 cornerFarthestFrom(Geom::Rect const &r, Geom::Point const &p){
1438 Geom::Point m = r.midpoint();
1439 unsigned i = 0;
1440 if (p[X] < m[X]) {
1441 i = 1;
1442 }
1443 if (p[Y] < m[Y]) {
1444 i = 3 - i;
1445 }
1446 return r.corner(i);
1447 }
1449 /**
1450 \param angle the angle in "angular pixels", i.e. how many visible pixels must move the outermost point of the rotated object
1451 */
1452 void
1453 sp_selection_rotate_screen(Inkscape::Selection *selection, gdouble angle)
1454 {
1455 if (selection->isEmpty())
1456 return;
1458 Geom::OptRect const bbox(selection->bounds());
1459 boost::optional<Geom::Point> center = selection->center();
1461 if ( !bbox || !center ) {
1462 return;
1463 }
1465 gdouble const zoom = selection->desktop()->current_zoom();
1466 gdouble const zmove = angle / zoom;
1467 gdouble const r = Geom::L2(cornerFarthestFrom(*bbox, *center) - *center);
1469 gdouble const zangle = 180 * atan2(zmove, r) / M_PI;
1471 sp_selection_rotate_relative(selection, *center, zangle);
1473 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1474 ( (angle > 0)
1475 ? "selector:rotate:ccw"
1476 : "selector:rotate:cw" ),
1477 SP_VERB_CONTEXT_SELECT,
1478 _("Rotate by pixels"));
1479 }
1481 void
1482 sp_selection_scale(Inkscape::Selection *selection, gdouble grow)
1483 {
1484 if (selection->isEmpty())
1485 return;
1487 Geom::OptRect const bbox(selection->bounds());
1488 if (!bbox) {
1489 return;
1490 }
1492 Geom::Point const center(bbox->midpoint());
1494 // you can't scale "do nizhe pola" (below zero)
1495 double const max_len = bbox->maxExtent();
1496 if ( max_len + grow <= 1e-3 ) {
1497 return;
1498 }
1500 double const times = 1.0 + grow / max_len;
1501 sp_selection_scale_relative(selection, center, Geom::Scale(times, times));
1503 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1504 ( (grow > 0)
1505 ? "selector:scale:larger"
1506 : "selector:scale:smaller" ),
1507 SP_VERB_CONTEXT_SELECT,
1508 _("Scale"));
1509 }
1511 void
1512 sp_selection_scale_screen(Inkscape::Selection *selection, gdouble grow_pixels)
1513 {
1514 sp_selection_scale(selection,
1515 grow_pixels / selection->desktop()->current_zoom());
1516 }
1518 void
1519 sp_selection_scale_times(Inkscape::Selection *selection, gdouble times)
1520 {
1521 if (selection->isEmpty())
1522 return;
1524 Geom::OptRect sel_bbox = selection->bounds();
1526 if (!sel_bbox) {
1527 return;
1528 }
1530 Geom::Point const center(sel_bbox->midpoint());
1531 sp_selection_scale_relative(selection, center, Geom::Scale(times, times));
1532 sp_document_done(sp_desktop_document(selection->desktop()), SP_VERB_CONTEXT_SELECT,
1533 _("Scale by whole factor"));
1534 }
1536 void
1537 sp_selection_move(SPDesktop *desktop, gdouble dx, gdouble dy)
1538 {
1539 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1540 if (selection->isEmpty()) {
1541 return;
1542 }
1544 sp_selection_move_relative(selection, dx, dy);
1546 if (dx == 0) {
1547 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1548 _("Move vertically"));
1549 } else if (dy == 0) {
1550 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1551 _("Move horizontally"));
1552 } else {
1553 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1554 _("Move"));
1555 }
1556 }
1558 void
1559 sp_selection_move_screen(SPDesktop *desktop, gdouble dx, gdouble dy)
1560 {
1561 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1562 if (selection->isEmpty()) {
1563 return;
1564 }
1566 // same as sp_selection_move but divide deltas by zoom factor
1567 gdouble const zoom = desktop->current_zoom();
1568 gdouble const zdx = dx / zoom;
1569 gdouble const zdy = dy / zoom;
1570 sp_selection_move_relative(selection, zdx, zdy);
1572 if (dx == 0) {
1573 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1574 _("Move vertically by pixels"));
1575 } else if (dy == 0) {
1576 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1577 _("Move horizontally by pixels"));
1578 } else {
1579 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1580 _("Move"));
1581 }
1582 }
1584 namespace {
1586 template <typename D>
1587 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1588 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1590 template <typename D>
1591 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items, SPObject *root,
1592 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1594 struct Forward {
1595 typedef SPObject *Iterator;
1597 static Iterator children(SPObject *o) { return sp_object_first_child(o); }
1598 static Iterator siblings_after(SPObject *o) { return SP_OBJECT_NEXT(o); }
1599 static void dispose(Iterator /*i*/) {}
1601 static SPObject *object(Iterator i) { return i; }
1602 static Iterator next(Iterator i) { return SP_OBJECT_NEXT(i); }
1603 };
1605 struct Reverse {
1606 typedef GSList *Iterator;
1608 static Iterator children(SPObject *o) {
1609 return make_list(o->firstChild(), NULL);
1610 }
1611 static Iterator siblings_after(SPObject *o) {
1612 return make_list(SP_OBJECT_PARENT(o)->firstChild(), o);
1613 }
1614 static void dispose(Iterator i) {
1615 g_slist_free(i);
1616 }
1618 static SPObject *object(Iterator i) {
1619 return reinterpret_cast<SPObject *>(i->data);
1620 }
1621 static Iterator next(Iterator i) { return i->next; }
1623 private:
1624 static GSList *make_list(SPObject *object, SPObject *limit) {
1625 GSList *list=NULL;
1626 while ( object != limit ) {
1627 list = g_slist_prepend(list, object);
1628 object = SP_OBJECT_NEXT(object);
1629 }
1630 return list;
1631 }
1632 };
1634 }
1636 void
1637 sp_selection_item_next(SPDesktop *desktop)
1638 {
1639 g_return_if_fail(desktop != NULL);
1640 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1642 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1643 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs->getInt("/options/kbselection/inlayer", PREFS_SELECTION_LAYER);
1644 bool onlyvisible = prefs->getBool("/options/kbselection/onlyvisible", true);
1645 bool onlysensitive = prefs->getBool("/options/kbselection/onlysensitive", true);
1647 SPObject *root;
1648 if (PREFS_SELECTION_ALL != inlayer) {
1649 root = selection->activeContext();
1650 } else {
1651 root = desktop->currentRoot();
1652 }
1654 SPItem *item=next_item_from_list<Forward>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1656 if (item) {
1657 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1658 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1659 scroll_to_show_item(desktop, item);
1660 }
1661 }
1662 }
1664 void
1665 sp_selection_item_prev(SPDesktop *desktop)
1666 {
1667 SPDocument *document = sp_desktop_document(desktop);
1668 g_return_if_fail(document != NULL);
1669 g_return_if_fail(desktop != NULL);
1670 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1672 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1673 PrefsSelectionContext inlayer = (PrefsSelectionContext) prefs->getInt("/options/kbselection/inlayer", PREFS_SELECTION_LAYER);
1674 bool onlyvisible = prefs->getBool("/options/kbselection/onlyvisible", true);
1675 bool onlysensitive = prefs->getBool("/options/kbselection/onlysensitive", true);
1677 SPObject *root;
1678 if (PREFS_SELECTION_ALL != inlayer) {
1679 root = selection->activeContext();
1680 } else {
1681 root = desktop->currentRoot();
1682 }
1684 SPItem *item=next_item_from_list<Reverse>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1686 if (item) {
1687 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1688 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1689 scroll_to_show_item(desktop, item);
1690 }
1691 }
1692 }
1694 void sp_selection_next_patheffect_param(SPDesktop * dt)
1695 {
1696 if (!dt) return;
1698 Inkscape::Selection *selection = sp_desktop_selection(dt);
1699 if ( selection && !selection->isEmpty() ) {
1700 SPItem *item = selection->singleItem();
1701 if ( item && SP_IS_SHAPE(item)) {
1702 if (sp_lpe_item_has_path_effect(SP_LPE_ITEM(item))) {
1703 sp_lpe_item_edit_next_param_oncanvas(SP_LPE_ITEM(item), dt);
1704 } else {
1705 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("The selection has no applied path effect."));
1706 }
1707 }
1708 }
1709 }
1711 void sp_selection_edit_clip_or_mask(SPDesktop * dt, bool clip)
1712 {
1713 if (!dt) return;
1715 Inkscape::Selection *selection = sp_desktop_selection(dt);
1716 if ( selection && !selection->isEmpty() ) {
1717 SPItem *item = selection->singleItem();
1718 if ( item ) {
1719 SPObject *obj = NULL;
1720 if (clip)
1721 obj = item->clip_ref ? SP_OBJECT(item->clip_ref->getObject()) : NULL;
1722 else
1723 obj = item->mask_ref ? SP_OBJECT(item->mask_ref->getObject()) : NULL;
1725 if (obj) {
1726 // obj is a group object, the children are the actual clippers
1727 for ( SPObject *child = obj->children ; child ; child = child->next ) {
1728 if ( SP_IS_ITEM(child) ) {
1729 // If not already in nodecontext, goto it!
1730 if (!tools_isactive(dt, TOOLS_NODES)) {
1731 tools_switch(dt, TOOLS_NODES);
1732 }
1734 ShapeEditor * shape_editor = dt->event_context->shape_editor;
1735 // TODO: should we set the item for nodepath or knotholder or both? seems to work with both.
1736 shape_editor->set_item(SP_ITEM(child), SH_NODEPATH);
1737 shape_editor->set_item(SP_ITEM(child), SH_KNOTHOLDER);
1738 Inkscape::NodePath::Path *np = shape_editor->get_nodepath();
1739 if (np) {
1740 // take colors from prefs (same as used in outline mode)
1741 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1742 np->helperpath_rgba = clip ?
1743 prefs->getInt("/options/wireframecolors/clips", 0x00ff00ff) :
1744 prefs->getInt("/options/wireframecolors/masks", 0x0000ffff);
1745 np->helperpath_width = 1.0;
1746 sp_nodepath_show_helperpath(np, true);
1747 }
1748 break; // break out of for loop after 1st encountered item
1749 }
1750 }
1751 } else if (clip) {
1752 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("The selection has no applied clip path."));
1753 } else {
1754 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("The selection has no applied mask."));
1755 }
1756 }
1757 }
1758 }
1761 namespace {
1763 template <typename D>
1764 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items,
1765 SPObject *root, bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1766 {
1767 SPObject *current=root;
1768 while (items) {
1769 SPItem *item=SP_ITEM(items->data);
1770 if ( root->isAncestorOf(item) &&
1771 ( !only_in_viewport || desktop->isWithinViewport(item) ) )
1772 {
1773 current = item;
1774 break;
1775 }
1776 items = items->next;
1777 }
1779 GSList *path=NULL;
1780 while ( current != root ) {
1781 path = g_slist_prepend(path, current);
1782 current = SP_OBJECT_PARENT(current);
1783 }
1785 SPItem *next;
1786 // first, try from the current object
1787 next = next_item<D>(desktop, path, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1788 g_slist_free(path);
1790 if (!next) { // if we ran out of objects, start over at the root
1791 next = next_item<D>(desktop, NULL, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1792 }
1794 return next;
1795 }
1797 template <typename D>
1798 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1799 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1800 {
1801 typename D::Iterator children;
1802 typename D::Iterator iter;
1804 SPItem *found=NULL;
1806 if (path) {
1807 SPObject *object=reinterpret_cast<SPObject *>(path->data);
1808 g_assert(SP_OBJECT_PARENT(object) == root);
1809 if (desktop->isLayer(object)) {
1810 found = next_item<D>(desktop, path->next, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1811 }
1812 iter = children = D::siblings_after(object);
1813 } else {
1814 iter = children = D::children(root);
1815 }
1817 while ( iter && !found ) {
1818 SPObject *object=D::object(iter);
1819 if (desktop->isLayer(object)) {
1820 if (PREFS_SELECTION_LAYER != inlayer) { // recurse into sublayers
1821 found = next_item<D>(desktop, NULL, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1822 }
1823 } else if ( SP_IS_ITEM(object) &&
1824 ( !only_in_viewport || desktop->isWithinViewport(SP_ITEM(object)) ) &&
1825 ( !onlyvisible || !desktop->itemIsHidden(SP_ITEM(object))) &&
1826 ( !onlysensitive || !SP_ITEM(object)->isLocked()) &&
1827 !desktop->isLayer(SP_ITEM(object)) )
1828 {
1829 found = SP_ITEM(object);
1830 }
1831 iter = D::next(iter);
1832 }
1834 D::dispose(children);
1836 return found;
1837 }
1839 }
1841 /**
1842 * If \a item is not entirely visible then adjust visible area to centre on the centre on of
1843 * \a item.
1844 */
1845 void scroll_to_show_item(SPDesktop *desktop, SPItem *item)
1846 {
1847 Geom::Rect dbox = desktop->get_display_area();
1848 Geom::OptRect sbox = sp_item_bbox_desktop(item);
1850 if ( sbox && dbox.contains(*sbox) == false ) {
1851 Geom::Point const s_dt = sbox->midpoint();
1852 Geom::Point const s_w = desktop->d2w(s_dt);
1853 Geom::Point const d_dt = dbox.midpoint();
1854 Geom::Point const d_w = desktop->d2w(d_dt);
1855 Geom::Point const moved_w( d_w - s_w );
1856 gint const dx = (gint) moved_w[X];
1857 gint const dy = (gint) moved_w[Y];
1858 desktop->scroll_world(dx, dy);
1859 }
1860 }
1863 void
1864 sp_selection_clone(SPDesktop *desktop)
1865 {
1866 if (desktop == NULL)
1867 return;
1869 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1871 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
1873 // check if something is selected
1874 if (selection->isEmpty()) {
1875 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object</b> to clone."));
1876 return;
1877 }
1879 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
1881 selection->clear();
1883 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
1884 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
1886 GSList *newsel = NULL;
1888 while (reprs) {
1889 Inkscape::XML::Node *sel_repr = (Inkscape::XML::Node *) reprs->data;
1890 Inkscape::XML::Node *parent = sp_repr_parent(sel_repr);
1892 Inkscape::XML::Node *clone = xml_doc->createElement("svg:use");
1893 clone->setAttribute("x", "0", false);
1894 clone->setAttribute("y", "0", false);
1895 clone->setAttribute("xlink:href", g_strdup_printf("#%s", sel_repr->attribute("id")), false);
1897 clone->setAttribute("inkscape:transform-center-x", sel_repr->attribute("inkscape:transform-center-x"), false);
1898 clone->setAttribute("inkscape:transform-center-y", sel_repr->attribute("inkscape:transform-center-y"), false);
1900 // add the new clone to the top of the original's parent
1901 parent->appendChild(clone);
1903 newsel = g_slist_prepend(newsel, clone);
1904 reprs = g_slist_remove(reprs, sel_repr);
1905 Inkscape::GC::release(clone);
1906 }
1908 // TRANSLATORS: only translate "string" in "context|string".
1909 // For more details, see http://developer.gnome.org/doc/API/2.0/glib/glib-I18N.html#Q-:CAPS
1910 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_CLONE,
1911 Q_("action|Clone"));
1913 selection->setReprList(newsel);
1915 g_slist_free(newsel);
1916 }
1918 void
1919 sp_selection_relink(SPDesktop *desktop)
1920 {
1921 if (!desktop)
1922 return;
1924 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1926 if (selection->isEmpty()) {
1927 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>clones</b> to relink."));
1928 return;
1929 }
1931 Inkscape::UI::ClipboardManager *cm = Inkscape::UI::ClipboardManager::get();
1932 const gchar *newid = cm->getFirstObjectID();
1933 if (!newid) {
1934 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Copy an <b>object</b> to clipboard to relink clones to."));
1935 return;
1936 }
1937 gchar *newref = g_strdup_printf ("#%s", newid);
1939 // Get a copy of current selection.
1940 bool relinked = false;
1941 for (GSList *items = (GSList *) selection->itemList();
1942 items != NULL;
1943 items = items->next)
1944 {
1945 SPItem *item = (SPItem *) items->data;
1947 if (!SP_IS_USE(item))
1948 continue;
1950 SP_OBJECT_REPR(item)->setAttribute("xlink:href", newref);
1951 SP_OBJECT(item)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
1952 relinked = true;
1953 }
1955 g_free(newref);
1957 if (!relinked) {
1958 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No clones to relink</b> in the selection."));
1959 } else {
1960 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNLINK_CLONE,
1961 _("Relink clone"));
1962 }
1963 }
1966 void
1967 sp_selection_unlink(SPDesktop *desktop)
1968 {
1969 if (!desktop)
1970 return;
1972 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1974 if (selection->isEmpty()) {
1975 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>clones</b> to unlink."));
1976 return;
1977 }
1979 // Get a copy of current selection.
1980 GSList *new_select = NULL;
1981 bool unlinked = false;
1982 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
1983 items != NULL;
1984 items = items->next)
1985 {
1986 SPItem *item = (SPItem *) items->data;
1988 if (SP_IS_TEXT(item)) {
1989 SPObject *tspan = sp_tref_convert_to_tspan(SP_OBJECT(item));
1991 if (tspan) {
1992 SP_OBJECT(item)->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
1993 }
1995 // Set unlink to true, and fall into the next if which
1996 // will include this text item in the new selection
1997 unlinked = true;
1998 }
2000 if (!(SP_IS_USE(item) || SP_IS_TREF(item))) {
2001 // keep the non-use item in the new selection
2002 new_select = g_slist_prepend(new_select, item);
2003 continue;
2004 }
2006 SPItem *unlink;
2007 if (SP_IS_USE(item)) {
2008 unlink = sp_use_unlink(SP_USE(item));
2009 } else /*if (SP_IS_TREF(use))*/ {
2010 unlink = SP_ITEM(sp_tref_convert_to_tspan(SP_OBJECT(item)));
2011 }
2013 unlinked = true;
2014 // Add ungrouped items to the new selection.
2015 new_select = g_slist_prepend(new_select, unlink);
2016 }
2018 if (new_select) { // set new selection
2019 selection->clear();
2020 selection->setList(new_select);
2021 g_slist_free(new_select);
2022 }
2023 if (!unlinked) {
2024 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No clones to unlink</b> in the selection."));
2025 }
2027 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNLINK_CLONE,
2028 _("Unlink clone"));
2029 }
2031 void
2032 sp_select_clone_original(SPDesktop *desktop)
2033 {
2034 if (desktop == NULL)
2035 return;
2037 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2039 SPItem *item = selection->singleItem();
2041 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.");
2043 // Check if other than two objects are selected
2044 if (g_slist_length((GSList *) selection->itemList()) != 1 || !item) {
2045 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2046 return;
2047 }
2049 SPItem *original = NULL;
2050 if (SP_IS_USE(item)) {
2051 original = sp_use_get_original (SP_USE(item));
2052 } else if (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) {
2053 original = sp_offset_get_source (SP_OFFSET(item));
2054 } else if (SP_IS_TEXT_TEXTPATH(item)) {
2055 original = sp_textpath_get_path_item (SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))));
2056 } else if (SP_IS_FLOWTEXT(item)) {
2057 original = SP_FLOWTEXT(item)->get_frame (NULL); // first frame only
2058 } else { // it's an object that we don't know what to do with
2059 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2060 return;
2061 }
2063 if (!original) {
2064 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>Cannot find</b> the object to select (orphaned clone, offset, textpath, flowed text?)"));
2065 return;
2066 }
2068 for (SPObject *o = original; o && !SP_IS_ROOT(o); o = SP_OBJECT_PARENT (o)) {
2069 if (SP_IS_DEFS (o)) {
2070 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("The object you're trying to select is <b>not visible</b> (it is in <defs>)"));
2071 return;
2072 }
2073 }
2075 if (original) {
2076 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
2077 bool highlight = prefs->getBool("/options/highlightoriginal/value");
2078 if (highlight) {
2079 Geom::OptRect a = item->getBounds(sp_item_i2d_affine(item));
2080 Geom::OptRect b = original->getBounds(sp_item_i2d_affine(original));
2081 if ( a && b ) {
2082 // draw a flashing line between the objects
2083 SPCurve *curve = new SPCurve();
2084 curve->moveto(a->midpoint());
2085 curve->lineto(b->midpoint());
2087 SPCanvasItem * canvasitem = sp_canvas_bpath_new(sp_desktop_tempgroup(desktop), curve);
2088 sp_canvas_bpath_set_stroke(SP_CANVAS_BPATH(canvasitem), 0x0000ddff, 1.0, SP_STROKE_LINEJOIN_MITER, SP_STROKE_LINECAP_BUTT, 5, 3);
2089 sp_canvas_item_show(canvasitem);
2090 curve->unref();
2091 desktop->add_temporary_canvasitem (canvasitem, 1000);
2092 }
2093 }
2095 selection->clear();
2096 selection->set(original);
2097 if (SP_CYCLING == SP_CYCLE_FOCUS) {
2098 scroll_to_show_item(desktop, original);
2099 }
2100 }
2101 }
2104 void sp_selection_to_marker(SPDesktop *desktop, bool apply)
2105 {
2106 if (desktop == NULL)
2107 return;
2109 SPDocument *doc = sp_desktop_document(desktop);
2110 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2112 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2114 // check if something is selected
2115 if (selection->isEmpty()) {
2116 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to marker."));
2117 return;
2118 }
2120 sp_document_ensure_up_to_date(doc);
2121 Geom::OptRect r = selection->bounds();
2122 boost::optional<Geom::Point> c = selection->center();
2123 if ( !r || !c ) {
2124 return;
2125 }
2127 // calculate the transform to be applied to objects to move them to 0,0
2128 Geom::Point move_p = Geom::Point(0, sp_document_height(doc)) - *c;
2129 move_p[Geom::Y] = -move_p[Geom::Y];
2130 Geom::Matrix move = Geom::Matrix (Geom::Translate (move_p));
2132 GSList *items = g_slist_copy((GSList *) selection->itemList());
2134 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2136 // bottommost object, after sorting
2137 SPObject *parent = SP_OBJECT_PARENT (items->data);
2139 Geom::Matrix parent_transform (sp_item_i2doc_affine(SP_ITEM(parent)));
2141 // remember the position of the first item
2142 gint pos = SP_OBJECT_REPR (items->data)->position();
2143 (void)pos; // TODO check why this was remembered
2145 // create a list of duplicates
2146 GSList *repr_copies = NULL;
2147 for (GSList *i = items; i != NULL; i = i->next) {
2148 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2149 repr_copies = g_slist_prepend (repr_copies, dup);
2150 }
2152 Geom::Rect bounds(desktop->dt2doc(r->min()), desktop->dt2doc(r->max()));
2154 if (apply) {
2155 // delete objects so that their clones don't get alerted; this object will be restored shortly
2156 for (GSList *i = items; i != NULL; i = i->next) {
2157 SPObject *item = SP_OBJECT (i->data);
2158 item->deleteObject (false);
2159 }
2160 }
2162 // Hack: Temporarily set clone compensation to unmoved, so that we can move clone-originals
2163 // without disturbing clones.
2164 // See ActorAlign::on_button_click() in src/ui/dialog/align-and-distribute.cpp
2165 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
2166 int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
2167 prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
2169 gchar const *mark_id = generate_marker(repr_copies, bounds, doc,
2170 ( Geom::Matrix(Geom::Translate(desktop->dt2doc(
2171 Geom::Point(r->min()[Geom::X],
2172 r->max()[Geom::Y]))))
2173 * parent_transform.inverse() ),
2174 parent_transform * move);
2175 (void)mark_id;
2177 // restore compensation setting
2178 prefs->setInt("/options/clonecompensation/value", saved_compensation);
2181 g_slist_free (items);
2183 sp_document_done (doc, SP_VERB_EDIT_SELECTION_2_MARKER,
2184 _("Objects to marker"));
2185 }
2187 static void sp_selection_to_guides_recursive(SPItem *item, bool deleteitem, bool wholegroups) {
2188 if (SP_IS_GROUP(item) && !SP_IS_BOX3D(item) && !wholegroups) {
2189 for (GSList *i = sp_item_group_item_list (SP_GROUP(item)); i != NULL; i = i->next) {
2190 sp_selection_to_guides_recursive(SP_ITEM(i->data), deleteitem, wholegroups);
2191 }
2192 } else {
2193 sp_item_convert_item_to_guides(item);
2195 if (deleteitem) {
2196 SP_OBJECT(item)->deleteObject(true);
2197 }
2198 }
2199 }
2201 void sp_selection_to_guides(SPDesktop *desktop)
2202 {
2203 if (desktop == NULL)
2204 return;
2206 SPDocument *doc = sp_desktop_document(desktop);
2207 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2208 // we need to copy the list because it gets reset when objects are deleted
2209 GSList *items = g_slist_copy((GSList *) selection->itemList());
2211 if (!items) {
2212 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to guides."));
2213 return;
2214 }
2216 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
2217 bool deleteitem = !prefs->getBool("/tools/cvg_keep_objects", 0);
2218 bool wholegroups = prefs->getBool("/tools/cvg_convert_whole_groups", 0);
2220 for (GSList const *i = items; i != NULL; i = i->next) {
2221 sp_selection_to_guides_recursive(SP_ITEM(i->data), deleteitem, wholegroups);
2222 }
2224 sp_document_done (doc, SP_VERB_EDIT_SELECTION_2_GUIDES, _("Objects to guides"));
2225 }
2227 void
2228 sp_selection_tile(SPDesktop *desktop, bool apply)
2229 {
2230 if (desktop == NULL)
2231 return;
2233 SPDocument *doc = sp_desktop_document(desktop);
2234 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2236 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2238 // check if something is selected
2239 if (selection->isEmpty()) {
2240 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to pattern."));
2241 return;
2242 }
2244 sp_document_ensure_up_to_date(doc);
2245 Geom::OptRect r = selection->bounds();
2246 if ( !r ) {
2247 return;
2248 }
2250 // calculate the transform to be applied to objects to move them to 0,0
2251 Geom::Point move_p = Geom::Point(0, sp_document_height(doc)) - (r->min() + Geom::Point (0, r->dimensions()[Geom::Y]));
2252 move_p[Geom::Y] = -move_p[Geom::Y];
2253 Geom::Matrix move = Geom::Matrix (Geom::Translate (move_p));
2255 GSList *items = g_slist_copy((GSList *) selection->itemList());
2257 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2259 // bottommost object, after sorting
2260 SPObject *parent = SP_OBJECT_PARENT (items->data);
2262 Geom::Matrix parent_transform (sp_item_i2doc_affine(SP_ITEM(parent)));
2264 // remember the position of the first item
2265 gint pos = SP_OBJECT_REPR (items->data)->position();
2267 // create a list of duplicates
2268 GSList *repr_copies = NULL;
2269 for (GSList *i = items; i != NULL; i = i->next) {
2270 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2271 repr_copies = g_slist_prepend (repr_copies, dup);
2272 }
2273 // restore the z-order after prepends
2274 repr_copies = g_slist_reverse (repr_copies);
2276 Geom::Rect bounds(desktop->dt2doc(r->min()), desktop->dt2doc(r->max()));
2278 if (apply) {
2279 // delete objects so that their clones don't get alerted; this object will be restored shortly
2280 for (GSList *i = items; i != NULL; i = i->next) {
2281 SPObject *item = SP_OBJECT (i->data);
2282 item->deleteObject (false);
2283 }
2284 }
2286 // Hack: Temporarily set clone compensation to unmoved, so that we can move clone-originals
2287 // without disturbing clones.
2288 // See ActorAlign::on_button_click() in src/ui/dialog/align-and-distribute.cpp
2289 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
2290 int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
2291 prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
2293 gchar const *pat_id = pattern_tile(repr_copies, bounds, doc,
2294 ( Geom::Matrix(Geom::Translate(desktop->dt2doc(Geom::Point(r->min()[Geom::X],
2295 r->max()[Geom::Y]))))
2296 * to_2geom(parent_transform.inverse()) ),
2297 parent_transform * move);
2299 // restore compensation setting
2300 prefs->setInt("/options/clonecompensation/value", saved_compensation);
2302 if (apply) {
2303 Inkscape::XML::Node *rect = xml_doc->createElement("svg:rect");
2304 rect->setAttribute("style", g_strdup_printf("stroke:none;fill:url(#%s)", pat_id));
2306 Geom::Point min = bounds.min() * to_2geom(parent_transform.inverse());
2307 Geom::Point max = bounds.max() * to_2geom(parent_transform.inverse());
2309 sp_repr_set_svg_double(rect, "width", max[Geom::X] - min[Geom::X]);
2310 sp_repr_set_svg_double(rect, "height", max[Geom::Y] - min[Geom::Y]);
2311 sp_repr_set_svg_double(rect, "x", min[Geom::X]);
2312 sp_repr_set_svg_double(rect, "y", min[Geom::Y]);
2314 // restore parent and position
2315 SP_OBJECT_REPR (parent)->appendChild(rect);
2316 rect->setPosition(pos > 0 ? pos : 0);
2317 SPItem *rectangle = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(rect);
2319 Inkscape::GC::release(rect);
2321 selection->clear();
2322 selection->set(rectangle);
2323 }
2325 g_slist_free (items);
2327 sp_document_done (doc, SP_VERB_EDIT_TILE,
2328 _("Objects to pattern"));
2329 }
2331 void
2332 sp_selection_untile(SPDesktop *desktop)
2333 {
2334 if (desktop == NULL)
2335 return;
2337 SPDocument *doc = sp_desktop_document(desktop);
2338 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2340 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2342 // check if something is selected
2343 if (selection->isEmpty()) {
2344 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object with pattern fill</b> to extract objects from."));
2345 return;
2346 }
2348 GSList *new_select = NULL;
2350 bool did = false;
2352 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2353 items != NULL;
2354 items = items->next) {
2356 SPItem *item = (SPItem *) items->data;
2358 SPStyle *style = SP_OBJECT_STYLE (item);
2360 if (!style || !style->fill.isPaintserver())
2361 continue;
2363 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
2365 if (!SP_IS_PATTERN(server))
2366 continue;
2368 did = true;
2370 SPPattern *pattern = pattern_getroot (SP_PATTERN (server));
2372 Geom::Matrix pat_transform = to_2geom(pattern_patternTransform (SP_PATTERN (server)));
2373 pat_transform *= item->transform;
2375 for (SPObject *child = sp_object_first_child(SP_OBJECT(pattern)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2376 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate(xml_doc);
2377 SPItem *i = SP_ITEM (desktop->currentLayer()->appendChildRepr(copy));
2379 // FIXME: relink clones to the new canvas objects
2380 // use SPObject::setid when mental finishes it to steal ids of
2382 // this is needed to make sure the new item has curve (simply requestDisplayUpdate does not work)
2383 sp_document_ensure_up_to_date (doc);
2385 Geom::Matrix transform( i->transform * pat_transform );
2386 sp_item_write_transform(i, SP_OBJECT_REPR(i), transform);
2388 new_select = g_slist_prepend(new_select, i);
2389 }
2391 SPCSSAttr *css = sp_repr_css_attr_new ();
2392 sp_repr_css_set_property (css, "fill", "none");
2393 sp_repr_css_change (SP_OBJECT_REPR (item), css, "style");
2394 }
2396 if (!did) {
2397 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No pattern fills</b> in the selection."));
2398 } else {
2399 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNTILE,
2400 _("Pattern to objects"));
2401 selection->setList(new_select);
2402 }
2403 }
2405 void
2406 sp_selection_get_export_hints (Inkscape::Selection *selection, char const **filename, float *xdpi, float *ydpi)
2407 {
2408 if (selection->isEmpty()) {
2409 return;
2410 }
2412 GSList const *reprlst = selection->reprList();
2413 bool filename_search = TRUE;
2414 bool xdpi_search = TRUE;
2415 bool ydpi_search = TRUE;
2417 for(; reprlst != NULL &&
2418 filename_search &&
2419 xdpi_search &&
2420 ydpi_search;
2421 reprlst = reprlst->next) {
2422 gchar const *dpi_string;
2423 Inkscape::XML::Node * repr = (Inkscape::XML::Node *)reprlst->data;
2425 if (filename_search) {
2426 *filename = repr->attribute("inkscape:export-filename");
2427 if (*filename != NULL)
2428 filename_search = FALSE;
2429 }
2431 if (xdpi_search) {
2432 dpi_string = NULL;
2433 dpi_string = repr->attribute("inkscape:export-xdpi");
2434 if (dpi_string != NULL) {
2435 *xdpi = atof(dpi_string);
2436 xdpi_search = FALSE;
2437 }
2438 }
2440 if (ydpi_search) {
2441 dpi_string = NULL;
2442 dpi_string = repr->attribute("inkscape:export-ydpi");
2443 if (dpi_string != NULL) {
2444 *ydpi = atof(dpi_string);
2445 ydpi_search = FALSE;
2446 }
2447 }
2448 }
2449 }
2451 void
2452 sp_document_get_export_hints (SPDocument *doc, char const **filename, float *xdpi, float *ydpi)
2453 {
2454 Inkscape::XML::Node * repr = sp_document_repr_root(doc);
2455 gchar const *dpi_string;
2457 *filename = repr->attribute("inkscape:export-filename");
2459 dpi_string = NULL;
2460 dpi_string = repr->attribute("inkscape:export-xdpi");
2461 if (dpi_string != NULL) {
2462 *xdpi = atof(dpi_string);
2463 }
2465 dpi_string = NULL;
2466 dpi_string = repr->attribute("inkscape:export-ydpi");
2467 if (dpi_string != NULL) {
2468 *ydpi = atof(dpi_string);
2469 }
2470 }
2472 void
2473 sp_selection_create_bitmap_copy (SPDesktop *desktop)
2474 {
2475 if (desktop == NULL)
2476 return;
2478 SPDocument *document = sp_desktop_document(desktop);
2479 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(document);
2481 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2483 // check if something is selected
2484 if (selection->isEmpty()) {
2485 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to make a bitmap copy."));
2486 return;
2487 }
2489 desktop->messageStack()->flash(Inkscape::IMMEDIATE_MESSAGE, _("Rendering bitmap..."));
2490 // set "busy" cursor
2491 desktop->setWaitingCursor();
2493 // Get the bounding box of the selection
2494 NRRect bbox;
2495 sp_document_ensure_up_to_date (document);
2496 selection->bounds(&bbox);
2497 if (NR_RECT_DFLS_TEST_EMPTY(&bbox)) {
2498 desktop->clearWaitingCursor();
2499 return; // exceptional situation, so not bother with a translatable error message, just quit quietly
2500 }
2502 // List of the items to show; all others will be hidden
2503 GSList *items = g_slist_copy ((GSList *) selection->itemList());
2505 // Sort items so that the topmost comes last
2506 items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);
2508 // Generate a random value from the current time (you may create bitmap from the same object(s)
2509 // multiple times, and this is done so that they don't clash)
2510 GTimeVal cu;
2511 g_get_current_time (&cu);
2512 guint current = (int) (cu.tv_sec * 1000000 + cu.tv_usec) % 1024;
2514 // Create the filename
2515 gchar *filename = g_strdup_printf ("%s-%s-%u.png", document->name, SP_OBJECT_REPR(items->data)->attribute("id"), current);
2516 // Imagemagick is known not to handle spaces in filenames, so we replace anything but letters,
2517 // digits, and a few other chars, with "_"
2518 filename = g_strcanon (filename, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.=+~$#@^&!?", '_');
2519 // Build the complete path by adding document->base if set
2520 gchar *filepath = g_build_filename (document->base?document->base:"", filename, NULL);
2522 //g_print ("%s\n", filepath);
2524 // Remember parent and z-order of the topmost one
2525 gint pos = SP_OBJECT_REPR(g_slist_last(items)->data)->position();
2526 SPObject *parent_object = SP_OBJECT_PARENT(g_slist_last(items)->data);
2527 Inkscape::XML::Node *parent = SP_OBJECT_REPR(parent_object);
2529 // Calculate resolution
2530 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
2531 double res;
2532 int const prefs_res = prefs->getInt("/options/createbitmap/resolution", 0);
2533 int const prefs_min = prefs->getInt("/options/createbitmap/minsize", 0);
2534 if (0 < prefs_res) {
2535 // If it's given explicitly in prefs, take it
2536 res = prefs_res;
2537 } else if (0 < prefs_min) {
2538 // If minsize is given, look up minimum bitmap size (default 250 pixels) and calculate resolution from it
2539 res = PX_PER_IN * prefs_min / MIN ((bbox.x1 - bbox.x0), (bbox.y1 - bbox.y0));
2540 } else {
2541 float hint_xdpi = 0, hint_ydpi = 0;
2542 char const *hint_filename;
2543 // take resolution hint from the selected objects
2544 sp_selection_get_export_hints (selection, &hint_filename, &hint_xdpi, &hint_ydpi);
2545 if (hint_xdpi != 0) {
2546 res = hint_xdpi;
2547 } else {
2548 // take resolution hint from the document
2549 sp_document_get_export_hints (document, &hint_filename, &hint_xdpi, &hint_ydpi);
2550 if (hint_xdpi != 0) {
2551 res = hint_xdpi;
2552 } else {
2553 // if all else fails, take the default 90 dpi
2554 res = PX_PER_IN;
2555 }
2556 }
2557 }
2559 // The width and height of the bitmap in pixels
2560 unsigned width = (unsigned) floor ((bbox.x1 - bbox.x0) * res / PX_PER_IN);
2561 unsigned height =(unsigned) floor ((bbox.y1 - bbox.y0) * res / PX_PER_IN);
2563 // Find out if we have to run an external filter
2564 gchar const *run = NULL;
2565 Glib::ustring filter = prefs->getString("/options/createbitmap/filter");
2566 if (!filter.empty()) {
2567 // filter command is given;
2568 // see if we have a parameter to pass to it
2569 Glib::ustring param1 = prefs->getString("/options/createbitmap/filter_param1");
2570 if (!param1.empty()) {
2571 if (param1[param1.length() - 1] == '%') {
2572 // if the param string ends with %, interpret it as a percentage of the image's max dimension
2573 gchar p1[256];
2574 g_ascii_dtostr (p1, 256, ceil (g_ascii_strtod (param1.data(), NULL) * MAX(width, height) / 100));
2575 // the first param is always the image filename, the second is param1
2576 run = g_strdup_printf ("%s \"%s\" %s", filter.data(), filepath, p1);
2577 } else {
2578 // otherwise pass the param1 unchanged
2579 run = g_strdup_printf ("%s \"%s\" %s", filter.data(), filepath, param1.data());
2580 }
2581 } else {
2582 // run without extra parameter
2583 run = g_strdup_printf ("%s \"%s\"", filter.data(), filepath);
2584 }
2585 }
2587 // Calculate the matrix that will be applied to the image so that it exactly overlaps the source objects
2588 Geom::Matrix eek (sp_item_i2d_affine (SP_ITEM(parent_object)));
2589 Geom::Matrix t;
2591 double shift_x = bbox.x0;
2592 double shift_y = bbox.y1;
2593 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2594 shift_x = round (shift_x);
2595 shift_y = -round (-shift_y); // this gets correct rounding despite coordinate inversion, remove the negations when the inversion is gone
2596 }
2597 t = Geom::Scale(1, -1) * Geom::Translate (shift_x, shift_y) * eek.inverse();
2599 // Do the export
2600 sp_export_png_file(document, filepath,
2601 bbox.x0, bbox.y0, bbox.x1, bbox.y1,
2602 width, height, res, res,
2603 (guint32) 0xffffff00,
2604 NULL, NULL,
2605 true, /*bool force_overwrite,*/
2606 items);
2608 g_slist_free (items);
2610 // Run filter, if any
2611 if (run) {
2612 g_print ("Running external filter: %s\n", run);
2613 int retval;
2614 retval = system (run);
2615 }
2617 // Import the image back
2618 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filepath, NULL);
2619 if (pb) {
2620 // Create the repr for the image
2621 Inkscape::XML::Node * repr = xml_doc->createElement("svg:image");
2622 repr->setAttribute("xlink:href", filename);
2623 repr->setAttribute("sodipodi:absref", filepath);
2624 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2625 sp_repr_set_svg_double(repr, "width", width);
2626 sp_repr_set_svg_double(repr, "height", height);
2627 } else {
2628 sp_repr_set_svg_double(repr, "width", (bbox.x1 - bbox.x0));
2629 sp_repr_set_svg_double(repr, "height", (bbox.y1 - bbox.y0));
2630 }
2632 // Write transform
2633 gchar *c=sp_svg_transform_write(t);
2634 repr->setAttribute("transform", c);
2635 g_free(c);
2637 // add the new repr to the parent
2638 parent->appendChild(repr);
2640 // move to the saved position
2641 repr->setPosition(pos > 0 ? pos + 1 : 1);
2643 // Set selection to the new image
2644 selection->clear();
2645 selection->add(repr);
2647 // Clean up
2648 Inkscape::GC::release(repr);
2649 gdk_pixbuf_unref (pb);
2651 // Complete undoable transaction
2652 sp_document_done (document, SP_VERB_SELECTION_CREATE_BITMAP,
2653 _("Create bitmap"));
2654 }
2656 desktop->clearWaitingCursor();
2658 g_free (filename);
2659 g_free (filepath);
2660 }
2662 /**
2663 * \brief Creates a mask or clipPath from selection
2664 * Two different modes:
2665 * if applyToLayer, all selection is moved to DEFS as mask/clippath
2666 * and is applied to current layer
2667 * otherwise, topmost object is used as mask for other objects
2668 * If \a apply_clip_path parameter is true, clipPath is created, otherwise mask
2669 *
2670 */
2671 void
2672 sp_selection_set_mask(SPDesktop *desktop, bool apply_clip_path, bool apply_to_layer)
2673 {
2674 if (desktop == NULL)
2675 return;
2677 SPDocument *doc = sp_desktop_document(desktop);
2678 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2680 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2682 // check if something is selected
2683 bool is_empty = selection->isEmpty();
2684 if ( apply_to_layer && is_empty) {
2685 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to create clippath or mask from."));
2686 return;
2687 } else if (!apply_to_layer && ( is_empty || NULL == selection->itemList()->next )) {
2688 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select mask object and <b>object(s)</b> to apply clippath or mask to."));
2689 return;
2690 }
2692 // FIXME: temporary patch to prevent crash!
2693 // Remove this when bboxes are fixed to not blow up on an item clipped/masked with its own clone
2694 bool clone_with_original = selection_contains_both_clone_and_original (selection);
2695 if (clone_with_original) {
2696 return; // in this version, you cannot clip/mask an object with its own clone
2697 }
2698 // /END FIXME
2700 sp_document_ensure_up_to_date(doc);
2702 GSList *items = g_slist_copy((GSList *) selection->itemList());
2704 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2706 // create a list of duplicates
2707 GSList *mask_items = NULL;
2708 GSList *apply_to_items = NULL;
2709 GSList *items_to_delete = NULL;
2710 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
2711 bool topmost = prefs->getBool("/options/maskobject/topmost", true);
2712 bool remove_original = prefs->getBool("/options/maskobject/remove", true);
2714 if (apply_to_layer) {
2715 // all selected items are used for mask, which is applied to a layer
2716 apply_to_items = g_slist_prepend (apply_to_items, desktop->currentLayer());
2718 for (GSList *i = items; i != NULL; i = i->next) {
2719 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2720 mask_items = g_slist_prepend (mask_items, dup);
2722 if (remove_original) {
2723 SPObject *item = SP_OBJECT (i->data);
2724 items_to_delete = g_slist_prepend (items_to_delete, item);
2725 }
2726 }
2727 } else if (!topmost) {
2728 // topmost item is used as a mask, which is applied to other items in a selection
2729 GSList *i = items;
2730 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2731 mask_items = g_slist_prepend (mask_items, dup);
2733 if (remove_original) {
2734 SPObject *item = SP_OBJECT (i->data);
2735 items_to_delete = g_slist_prepend (items_to_delete, item);
2736 }
2738 for (i = i->next; i != NULL; i = i->next) {
2739 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2740 }
2741 } else {
2742 GSList *i = NULL;
2743 for (i = items; NULL != i->next; i = i->next) {
2744 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2745 }
2747 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2748 mask_items = g_slist_prepend (mask_items, dup);
2750 if (remove_original) {
2751 SPObject *item = SP_OBJECT (i->data);
2752 items_to_delete = g_slist_prepend (items_to_delete, item);
2753 }
2754 }
2756 g_slist_free (items);
2757 items = NULL;
2759 gchar const *attributeName = apply_clip_path ? "clip-path" : "mask";
2760 for (GSList *i = apply_to_items; NULL != i; i = i->next) {
2761 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2762 // inverted object transform should be applied to a mask object,
2763 // as mask is calculated in user space (after applying transform)
2764 Geom::Matrix maskTransform (item->transform.inverse());
2766 GSList *mask_items_dup = NULL;
2767 for (GSList *mask_item = mask_items; NULL != mask_item; mask_item = mask_item->next) {
2768 Inkscape::XML::Node *dup = reinterpret_cast<Inkscape::XML::Node *>(mask_item->data)->duplicate(xml_doc);
2769 mask_items_dup = g_slist_prepend (mask_items_dup, dup);
2770 }
2772 gchar const *mask_id = NULL;
2773 if (apply_clip_path) {
2774 mask_id = sp_clippath_create(mask_items_dup, doc, &maskTransform);
2775 } else {
2776 mask_id = sp_mask_create(mask_items_dup, doc, &maskTransform);
2777 }
2779 g_slist_free (mask_items_dup);
2780 mask_items_dup = NULL;
2782 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, g_strdup_printf("url(#%s)", mask_id));
2783 }
2785 g_slist_free (mask_items);
2786 g_slist_free (apply_to_items);
2788 for (GSList *i = items_to_delete; NULL != i; i = i->next) {
2789 SPObject *item = SP_OBJECT (i->data);
2790 item->deleteObject (false);
2791 }
2792 g_slist_free (items_to_delete);
2794 if (apply_clip_path)
2795 sp_document_done (doc, SP_VERB_OBJECT_SET_CLIPPATH, _("Set clipping path"));
2796 else
2797 sp_document_done (doc, SP_VERB_OBJECT_SET_MASK, _("Set mask"));
2798 }
2800 void sp_selection_unset_mask(SPDesktop *desktop, bool apply_clip_path) {
2801 if (desktop == NULL)
2802 return;
2804 SPDocument *doc = sp_desktop_document(desktop);
2805 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2806 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2808 // check if something is selected
2809 if (selection->isEmpty()) {
2810 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove clippath or mask from."));
2811 return;
2812 }
2814 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
2815 bool remove_original = prefs->getBool("/options/maskobject/remove", true);
2816 sp_document_ensure_up_to_date(doc);
2818 gchar const *attributeName = apply_clip_path ? "clip-path" : "mask";
2819 std::map<SPObject*,SPItem*> referenced_objects;
2820 // SPObject* refers to a group containing the clipped path or mask itself,
2821 // whereas SPItem* refers to the item being clipped or masked
2822 for (GSList const *i = selection->itemList(); NULL != i; i = i->next) {
2823 if (remove_original) {
2824 // remember referenced mask/clippath, so orphaned masks can be moved back to document
2825 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2826 Inkscape::URIReference *uri_ref = NULL;
2828 if (apply_clip_path) {
2829 uri_ref = item->clip_ref;
2830 } else {
2831 uri_ref = item->mask_ref;
2832 }
2834 // collect distinct mask object (and associate with item to apply transform)
2835 if (NULL != uri_ref && NULL != uri_ref->getObject()) {
2836 referenced_objects[uri_ref->getObject()] = item;
2837 }
2838 }
2840 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, "none");
2841 }
2843 // restore mask objects into a document
2844 for ( std::map<SPObject*,SPItem*>::iterator it = referenced_objects.begin() ; it != referenced_objects.end() ; ++it) {
2845 SPObject *obj = (*it).first; // Group containing the clipped paths or masks
2846 GSList *items_to_move = NULL;
2847 for (SPObject *child = sp_object_first_child(obj) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2848 // Collect all clipped paths and masks within a single group
2849 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate(xml_doc);
2850 items_to_move = g_slist_prepend (items_to_move, copy);
2851 }
2853 if (!obj->isReferenced()) {
2854 // delete from defs if no other object references this mask
2855 obj->deleteObject(false);
2856 }
2858 // remember parent and position of the item to which the clippath/mask was applied
2859 Inkscape::XML::Node *parent = SP_OBJECT_REPR((*it).second)->parent();
2860 gint pos = SP_OBJECT_REPR((*it).second)->position();
2862 // Iterate through all clipped paths / masks
2863 for (GSList *i = items_to_move; NULL != i; i = i->next) {
2864 Inkscape::XML::Node *repr = (Inkscape::XML::Node *)i->data;
2866 // insert into parent, restore pos
2867 parent->appendChild(repr);
2868 repr->setPosition((pos + 1) > 0 ? (pos + 1) : 0);
2870 SPItem *mask_item = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(repr);
2871 selection->add(repr);
2873 // transform mask, so it is moved the same spot where mask was applied
2874 Geom::Matrix transform (mask_item->transform);
2875 transform *= (*it).second->transform;
2876 sp_item_write_transform(mask_item, SP_OBJECT_REPR(mask_item), transform);
2877 }
2879 g_slist_free (items_to_move);
2880 }
2882 if (apply_clip_path)
2883 sp_document_done (doc, SP_VERB_OBJECT_UNSET_CLIPPATH, _("Release clipping path"));
2884 else
2885 sp_document_done (doc, SP_VERB_OBJECT_UNSET_MASK, _("Release mask"));
2886 }
2888 /**
2889 * Returns true if an undoable change should be recorded.
2890 */
2891 bool
2892 fit_canvas_to_selection(SPDesktop *desktop)
2893 {
2894 g_return_val_if_fail(desktop != NULL, false);
2895 SPDocument *doc = sp_desktop_document(desktop);
2897 g_return_val_if_fail(doc != NULL, false);
2898 g_return_val_if_fail(desktop->selection != NULL, false);
2900 if (desktop->selection->isEmpty()) {
2901 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to fit canvas to."));
2902 return false;
2903 }
2904 Geom::OptRect const bbox(desktop->selection->bounds());
2905 if (bbox) {
2906 doc->fitToRect(*bbox);
2907 return true;
2908 } else {
2909 return false;
2910 }
2911 }
2913 /**
2914 * Fit canvas to the bounding box of the selection, as an undoable action.
2915 */
2916 void
2917 verb_fit_canvas_to_selection(SPDesktop *const desktop)
2918 {
2919 if (fit_canvas_to_selection(desktop)) {
2920 sp_document_done(sp_desktop_document(desktop), SP_VERB_FIT_CANVAS_TO_SELECTION,
2921 _("Fit Page to Selection"));
2922 }
2923 }
2925 bool
2926 fit_canvas_to_drawing(SPDocument *doc)
2927 {
2928 g_return_val_if_fail(doc != NULL, false);
2930 sp_document_ensure_up_to_date(doc);
2931 SPItem const *const root = SP_ITEM(doc->root);
2932 Geom::OptRect const bbox(root->getBounds(sp_item_i2d_affine(root)));
2933 if (bbox) {
2934 doc->fitToRect(*bbox);
2935 return true;
2936 } else {
2937 return false;
2938 }
2939 }
2941 void
2942 verb_fit_canvas_to_drawing(SPDesktop *desktop)
2943 {
2944 if (fit_canvas_to_drawing(sp_desktop_document(desktop))) {
2945 sp_document_done(sp_desktop_document(desktop), SP_VERB_FIT_CANVAS_TO_DRAWING,
2946 _("Fit Page to Drawing"));
2947 }
2948 }
2950 void fit_canvas_to_selection_or_drawing(SPDesktop *desktop) {
2951 g_return_if_fail(desktop != NULL);
2952 SPDocument *doc = sp_desktop_document(desktop);
2954 g_return_if_fail(doc != NULL);
2955 g_return_if_fail(desktop->selection != NULL);
2957 bool const changed = ( desktop->selection->isEmpty()
2958 ? fit_canvas_to_drawing(doc)
2959 : fit_canvas_to_selection(desktop) );
2960 if (changed) {
2961 sp_document_done(sp_desktop_document(desktop), SP_VERB_FIT_CANVAS_TO_SELECTION_OR_DRAWING,
2962 _("Fit Page to Selection or Drawing"));
2963 }
2964 };
2966 static void itemtree_map(void (*f)(SPItem *, SPDesktop *), SPObject *root, SPDesktop *desktop) {
2967 // don't operate on layers
2968 if (SP_IS_ITEM(root) && !desktop->isLayer(SP_ITEM(root))) {
2969 f(SP_ITEM(root), desktop);
2970 }
2971 for ( SPObject::SiblingIterator iter = root->firstChild() ; iter ; ++iter ) {
2972 //don't recurse into locked layers
2973 if (!(SP_IS_ITEM(&*iter) && desktop->isLayer(SP_ITEM(&*iter)) && SP_ITEM(&*iter)->isLocked())) {
2974 itemtree_map(f, iter, desktop);
2975 }
2976 }
2977 }
2979 static void unlock(SPItem *item, SPDesktop */*desktop*/) {
2980 if (item->isLocked()) {
2981 item->setLocked(FALSE);
2982 }
2983 }
2985 static void unhide(SPItem *item, SPDesktop *desktop) {
2986 if (desktop->itemIsHidden(item)) {
2987 item->setExplicitlyHidden(FALSE);
2988 }
2989 }
2991 static void process_all(void (*f)(SPItem *, SPDesktop *), SPDesktop *dt, bool layer_only) {
2992 if (!dt) return;
2994 SPObject *root;
2995 if (layer_only) {
2996 root = dt->currentLayer();
2997 } else {
2998 root = dt->currentRoot();
2999 }
3001 itemtree_map(f, root, dt);
3002 }
3004 void unlock_all(SPDesktop *dt) {
3005 process_all(&unlock, dt, true);
3006 }
3008 void unlock_all_in_all_layers(SPDesktop *dt) {
3009 process_all(&unlock, dt, false);
3010 }
3012 void unhide_all(SPDesktop *dt) {
3013 process_all(&unhide, dt, true);
3014 }
3016 void unhide_all_in_all_layers(SPDesktop *dt) {
3017 process_all(&unhide, dt, false);
3018 }
3021 /*
3022 Local Variables:
3023 mode:c++
3024 c-file-style:"stroustrup"
3025 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
3026 indent-tabs-mode:nil
3027 fill-column:99
3028 End:
3029 */
3030 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :