1 #define __SP_SELECTION_CHEMISTRY_C__
3 /*
4 * Miscellanous operations on selected items
5 *
6 * Authors:
7 * Lauris Kaplinski <lauris@kaplinski.com>
8 * Frank Felfe <innerspace@iname.com>
9 * MenTaLguY <mental@rydia.net>
10 * bulia byak <buliabyak@users.sf.net>
11 * Andrius R. <knutux@gmail.com>
12 *
13 * Copyright (C) 1999-2006 authors
14 * Copyright (C) 2001-2002 Ximian, Inc.
15 *
16 * Released under GNU GPL, read the file 'COPYING' for more information
17 */
19 #ifdef HAVE_CONFIG_H
20 # include "config.h"
21 #endif
23 #include <gtkmm/clipboard.h>
25 #include "svg/svg.h"
26 #include "inkscape.h"
27 #include "desktop.h"
28 #include "desktop-style.h"
29 #include "selection.h"
30 #include "tools-switch.h"
31 #include "desktop-handles.h"
32 #include "message-stack.h"
33 #include "sp-item-transform.h"
34 #include "marker.h"
35 #include "sp-use.h"
36 #include "sp-textpath.h"
37 #include "sp-tspan.h"
38 #include "sp-flowtext.h"
39 #include "sp-flowregion.h"
40 #include "text-editing.h"
41 #include "text-context.h"
42 #include "connector-context.h"
43 #include "sp-path.h"
44 #include "sp-conn-end.h"
45 #include "dropper-context.h"
46 #include <glibmm/i18n.h>
47 #include "libnr/nr-matrix-rotate-ops.h"
48 #include "libnr/nr-matrix-translate-ops.h"
49 #include "libnr/nr-rotate-fns.h"
50 #include "libnr/nr-scale-ops.h"
51 #include "libnr/nr-scale-translate-ops.h"
52 #include "libnr/nr-translate-matrix-ops.h"
53 #include "libnr/nr-translate-scale-ops.h"
54 #include "xml/repr.h"
55 #include "style.h"
56 #include "document-private.h"
57 #include "sp-gradient.h"
58 #include "sp-gradient-reference.h"
59 #include "sp-linear-gradient-fns.h"
60 #include "sp-pattern.h"
61 #include "sp-radial-gradient-fns.h"
62 #include "sp-namedview.h"
63 #include "prefs-utils.h"
64 #include "sp-offset.h"
65 #include "sp-clippath.h"
66 #include "sp-mask.h"
67 #include "file.h"
68 #include "helper/png-write.h"
69 #include "layer-fns.h"
70 #include "context-fns.h"
71 #include <map>
72 #include "helper/units.h"
73 #include "sp-item.h"
74 #include "unit-constants.h"
75 using NR::X;
76 using NR::Y;
78 #include "selection-chemistry.h"
80 /* fixme: find a better place */
81 GSList *clipboard = NULL;
82 GSList *defs_clipboard = NULL;
83 SPCSSAttr *style_clipboard = NULL;
84 NR::Rect size_clipboard(NR::Point(0,0), NR::Point(0,0));
86 static void sp_copy_stuff_used_by_item(GSList **defs_clip, SPItem *item, const GSList *items);
88 /**
89 * Copies repr and its inherited css style elements, along with the accumulated transform 'full_t',
90 * then prepends the copy to 'clip'.
91 */
92 void sp_selection_copy_one (Inkscape::XML::Node *repr, NR::Matrix full_t, GSList **clip)
93 {
94 Inkscape::XML::Node *copy = repr->duplicate();
96 // copy complete inherited style
97 SPCSSAttr *css = sp_repr_css_attr_inherited(repr, "style");
98 sp_repr_css_set(copy, css, "style");
99 sp_repr_css_attr_unref(css);
101 // write the complete accumulated transform passed to us
102 // (we're dealing with unattached repr, so we write to its attr
103 // instead of using sp_item_set_transform)
104 gchar affinestr[80];
105 if (sp_svg_transform_write(affinestr, 79, full_t)) {
106 copy->setAttribute("transform", affinestr);
107 } else {
108 copy->setAttribute("transform", NULL);
109 }
111 *clip = g_slist_prepend(*clip, copy);
112 }
114 void sp_selection_copy_impl (const GSList *items, GSList **clip, GSList **defs_clip, SPCSSAttr **style_clip)
115 {
117 // Copy stuff referenced by all items to defs_clip:
118 if (defs_clip) {
119 for (GSList *i = (GSList *) items; i != NULL; i = i->next) {
120 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (i->data), items);
121 }
122 *defs_clip = g_slist_reverse(*defs_clip);
123 }
125 // Store style:
126 if (style_clip) {
127 SPItem *item = SP_ITEM (items->data); // take from the first selected item
128 *style_clip = take_style_from_item (item);
129 }
131 if (clip) {
132 // Sort items:
133 GSList *sorted_items = g_slist_copy ((GSList *) items);
134 sorted_items = g_slist_sort((GSList *) sorted_items, (GCompareFunc) sp_object_compare_position);
136 // Copy item reprs:
137 for (GSList *i = (GSList *) sorted_items; i != NULL; i = i->next) {
138 sp_selection_copy_one (SP_OBJECT_REPR (i->data), sp_item_i2doc_affine(SP_ITEM (i->data)), clip);
139 }
141 *clip = g_slist_reverse(*clip);
142 g_slist_free ((GSList *) sorted_items);
143 }
144 }
146 /**
147 * Add gradients/patterns/markers referenced by copied objects to defs.
148 * Iterates through 'defs_clip', and for each item it adds the data
149 * repr into the global defs.
150 */
151 void
152 paste_defs (GSList **defs_clip, SPDocument *doc)
153 {
154 if (!defs_clip)
155 return;
157 for (GSList *gl = *defs_clip; gl != NULL; gl = gl->next) {
158 SPDefs *defs= (SPDefs *) SP_DOCUMENT_DEFS(doc);
159 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) gl->data;
160 gchar const *id = repr->attribute("id");
161 if (!id || !doc->getObjectById(id)) {
162 Inkscape::XML::Node *copy = repr->duplicate();
163 SP_OBJECT_REPR(defs)->addChild(copy, NULL);
164 Inkscape::GC::release(copy);
165 }
166 }
167 }
169 GSList *sp_selection_paste_impl (SPDocument *document, SPObject *parent, GSList **clip, GSList **defs_clip)
170 {
171 paste_defs (defs_clip, document);
173 GSList *copied = NULL;
174 // add objects to document
175 for (GSList *l = *clip; l != NULL; l = l->next) {
176 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
177 Inkscape::XML::Node *copy = repr->duplicate();
179 // premultiply the item transform by the accumulated parent transform in the paste layer
180 NR::Matrix local = sp_item_i2doc_affine(SP_ITEM(parent));
181 if (!local.test_identity()) {
182 gchar const *t_str = copy->attribute("transform");
183 NR::Matrix item_t (NR::identity());
184 if (t_str)
185 sp_svg_transform_read(t_str, &item_t);
186 item_t *= local.inverse();
187 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
188 gchar affinestr[80];
189 if (sp_svg_transform_write(affinestr, 79, item_t)) {
190 copy->setAttribute("transform", affinestr);
191 } else {
192 copy->setAttribute("transform", NULL);
193 }
194 }
196 parent->appendChildRepr(copy);
197 copied = g_slist_prepend(copied, copy);
198 Inkscape::GC::release(copy);
199 }
200 return copied;
201 }
203 void sp_selection_delete_impl(const GSList *items)
204 {
205 for (const GSList *i = items ; i ; i = i->next ) {
206 sp_object_ref((SPObject *)i->data, NULL);
207 }
208 for (const GSList *i = items; i != NULL; i = i->next) {
209 SPItem *item = (SPItem *) i->data;
210 SP_OBJECT(item)->deleteObject();
211 sp_object_unref((SPObject *)item, NULL);
212 }
213 }
216 void sp_selection_delete()
217 {
218 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
219 if (desktop == NULL) {
220 return;
221 }
223 if (tools_isactive (desktop, TOOLS_TEXT))
224 if (sp_text_delete_selection(desktop->event_context)) {
225 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_TEXT,
226 _("Delete text"));
227 return;
228 }
230 Inkscape::Selection *selection = sp_desktop_selection(desktop);
232 // check if something is selected
233 if (selection->isEmpty()) {
234 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Nothing</b> was deleted."));
235 return;
236 }
238 const GSList *selected = g_slist_copy(const_cast<GSList *>(selection->itemList()));
239 selection->clear();
240 sp_selection_delete_impl (selected);
241 g_slist_free ((GSList *) selected);
243 /* a tool may have set up private information in it's selection context
244 * that depends on desktop items. I think the only sane way to deal with
245 * this currently is to reset the current tool, which will reset it's
246 * associated selection context. For example: deleting an object
247 * while moving it around the canvas.
248 */
249 tools_switch ( desktop, tools_active ( desktop ) );
251 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DELETE,
252 _("Delete"));
253 }
255 /* fixme: sequencing */
256 void sp_selection_duplicate()
257 {
258 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
259 if (desktop == NULL)
260 return;
262 Inkscape::Selection *selection = sp_desktop_selection(desktop);
264 // check if something is selected
265 if (selection->isEmpty()) {
266 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to duplicate."));
267 return;
268 }
270 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
272 selection->clear();
274 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
275 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
277 GSList *newsel = NULL;
279 while (reprs) {
280 Inkscape::XML::Node *parent = ((Inkscape::XML::Node *) reprs->data)->parent();
281 Inkscape::XML::Node *copy = ((Inkscape::XML::Node *) reprs->data)->duplicate();
283 parent->appendChild(copy);
285 newsel = g_slist_prepend(newsel, copy);
286 reprs = g_slist_remove(reprs, reprs->data);
287 Inkscape::GC::release(copy);
288 }
290 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DUPLICATE,
291 _("Duplicate"));
293 selection->setReprList(newsel);
295 g_slist_free(newsel);
296 }
298 void sp_edit_clear_all()
299 {
300 SPDesktop *dt = SP_ACTIVE_DESKTOP;
301 if (!dt)
302 return;
304 SPDocument *doc = sp_desktop_document(dt);
305 sp_desktop_selection(dt)->clear();
307 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
308 GSList *items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
310 while (items) {
311 SP_OBJECT (items->data)->deleteObject();
312 items = g_slist_remove(items, items->data);
313 }
315 sp_document_done(doc, SP_VERB_EDIT_CLEAR_ALL,
316 _("Delete all"));
317 }
319 GSList *
320 get_all_items (GSList *list, SPObject *from, SPDesktop *desktop, bool onlyvisible, bool onlysensitive, const GSList *exclude)
321 {
322 for (SPObject *child = sp_object_first_child(SP_OBJECT(from)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
323 if (SP_IS_ITEM(child) &&
324 !desktop->isLayer(SP_ITEM(child)) &&
325 (!onlysensitive || !SP_ITEM(child)->isLocked()) &&
326 (!onlyvisible || !desktop->itemIsHidden(SP_ITEM(child))) &&
327 (!exclude || !g_slist_find ((GSList *) exclude, child))
328 )
329 {
330 list = g_slist_prepend (list, SP_ITEM(child));
331 }
333 if (SP_IS_ITEM(child) && desktop->isLayer(SP_ITEM(child))) {
334 list = get_all_items (list, child, desktop, onlyvisible, onlysensitive, exclude);
335 }
336 }
338 return list;
339 }
341 void sp_edit_select_all_full (bool force_all_layers, bool invert)
342 {
343 SPDesktop *dt = SP_ACTIVE_DESKTOP;
344 if (!dt)
345 return;
347 Inkscape::Selection *selection = sp_desktop_selection(dt);
349 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
351 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
352 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
353 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
355 GSList *items = NULL;
357 const GSList *exclude = NULL;
358 if (invert) {
359 exclude = selection->itemList();
360 }
362 if (force_all_layers)
363 inlayer = PREFS_SELECTION_ALL;
365 switch (inlayer) {
366 case PREFS_SELECTION_LAYER: {
367 if ( (onlysensitive && SP_ITEM(dt->currentLayer())->isLocked()) ||
368 (onlyvisible && dt->itemIsHidden(SP_ITEM(dt->currentLayer()))) )
369 return;
371 GSList *all_items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
373 for (GSList *i = all_items; i; i = i->next) {
374 SPItem *item = SP_ITEM (i->data);
376 if (item && (!onlysensitive || !item->isLocked())) {
377 if (!onlyvisible || !dt->itemIsHidden(item)) {
378 if (!dt->isLayer(item)) {
379 if (!invert || !g_slist_find ((GSList *) exclude, item)) {
380 items = g_slist_prepend (items, item); // leave it in the list
381 }
382 }
383 }
384 }
385 }
387 g_slist_free (all_items);
388 break;
389 }
390 case PREFS_SELECTION_LAYER_RECURSIVE: {
391 items = get_all_items (NULL, dt->currentLayer(), dt, onlyvisible, onlysensitive, exclude);
392 break;
393 }
394 default: {
395 items = get_all_items (NULL, dt->currentRoot(), dt, onlyvisible, onlysensitive, exclude);
396 break;
397 }
398 }
400 selection->setList (items);
402 if (items) {
403 g_slist_free (items);
404 }
405 }
407 void sp_edit_select_all ()
408 {
409 sp_edit_select_all_full (false, false);
410 }
412 void sp_edit_select_all_in_all_layers ()
413 {
414 sp_edit_select_all_full (true, false);
415 }
417 void sp_edit_invert ()
418 {
419 sp_edit_select_all_full (false, true);
420 }
422 void sp_edit_invert_in_all_layers ()
423 {
424 sp_edit_select_all_full (true, true);
425 }
427 void sp_selection_group()
428 {
429 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
430 if (desktop == NULL)
431 return;
433 SPDocument *document = sp_desktop_document (desktop);
434 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(document);
436 Inkscape::Selection *selection = sp_desktop_selection(desktop);
438 // Check if something is selected.
439 if (selection->isEmpty()) {
440 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>some objects</b> to group."));
441 return;
442 }
444 GSList const *l = (GSList *) selection->reprList();
446 GSList *p = g_slist_copy((GSList *) l);
448 selection->clear();
450 p = g_slist_sort(p, (GCompareFunc) sp_repr_compare_position);
452 // Remember the position and parent of the topmost object.
453 gint topmost = ((Inkscape::XML::Node *) g_slist_last(p)->data)->position();
454 Inkscape::XML::Node *topmost_parent = ((Inkscape::XML::Node *) g_slist_last(p)->data)->parent();
456 Inkscape::XML::Node *group = xml_doc->createElement("svg:g");
458 while (p) {
459 Inkscape::XML::Node *current = (Inkscape::XML::Node *) p->data;
461 if (current->parent() == topmost_parent) {
462 Inkscape::XML::Node *spnew = current->duplicate();
463 sp_repr_unparent(current);
464 group->appendChild(spnew);
465 Inkscape::GC::release(spnew);
466 topmost --; // only reduce count for those items deleted from topmost_parent
467 } else { // move it to topmost_parent first
468 GSList *temp_clip = NULL;
470 // At this point, current may already have no item, due to its being a clone whose original is already moved away
471 // So we copy it artificially calculating the transform from its repr->attr("transform") and the parent transform
472 gchar const *t_str = current->attribute("transform");
473 NR::Matrix item_t (NR::identity());
474 if (t_str)
475 sp_svg_transform_read(t_str, &item_t);
476 item_t *= sp_item_i2doc_affine(SP_ITEM(document->getObjectByRepr(current->parent())));
477 //FIXME: when moving both clone and original from a transformed group (either by
478 //grouping into another parent, or by cut/paste) the transform from the original's
479 //parent becomes embedded into original itself, and this affects its clones. Fix
480 //this by remembering the transform diffs we write to each item into an array and
481 //then, if this is clone, looking up its original in that array and pre-multiplying
482 //it by the inverse of that original's transform diff.
484 sp_selection_copy_one (current, item_t, &temp_clip);
485 sp_repr_unparent(current);
487 // paste into topmost_parent (temporarily)
488 GSList *copied = sp_selection_paste_impl (document, document->getObjectByRepr(topmost_parent), &temp_clip, NULL);
489 if (temp_clip) g_slist_free (temp_clip);
490 if (copied) { // if success,
491 // take pasted object (now in topmost_parent)
492 Inkscape::XML::Node *in_topmost = (Inkscape::XML::Node *) copied->data;
493 // make a copy
494 Inkscape::XML::Node *spnew = in_topmost->duplicate();
495 // remove pasted
496 sp_repr_unparent(in_topmost);
497 // put its copy into group
498 group->appendChild(spnew);
499 Inkscape::GC::release(spnew);
500 g_slist_free (copied);
501 }
502 }
503 p = g_slist_remove(p, current);
504 }
506 // Add the new group to the topmost members' parent
507 topmost_parent->appendChild(group);
509 // Move to the position of the topmost, reduced by the number of items deleted from topmost_parent
510 group->setPosition(topmost + 1);
512 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_GROUP,
513 _("Group"));
515 selection->set(group);
516 Inkscape::GC::release(group);
517 }
519 void sp_selection_ungroup()
520 {
521 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
522 if (desktop == NULL)
523 return;
525 Inkscape::Selection *selection = sp_desktop_selection(desktop);
527 if (selection->isEmpty()) {
528 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>group</b> to ungroup."));
529 return;
530 }
532 GSList *items = g_slist_copy((GSList *) selection->itemList());
533 selection->clear();
535 // Get a copy of current selection.
536 GSList *new_select = NULL;
537 bool ungrouped = false;
538 for (GSList *i = items;
539 i != NULL;
540 i = i->next)
541 {
542 SPItem *group = (SPItem *) i->data;
544 // when ungrouping cloned groups with their originals, some objects that were selected may no more exist due to unlinking
545 if (!SP_IS_OBJECT(group)) {
546 continue;
547 }
549 /* We do not allow ungrouping <svg> etc. (lauris) */
550 if (strcmp(SP_OBJECT_REPR(group)->name(), "svg:g") && strcmp(SP_OBJECT_REPR(group)->name(), "svg:switch")) {
551 // keep the non-group item in the new selection
552 selection->add(group);
553 continue;
554 }
556 GSList *children = NULL;
557 /* This is not strictly required, but is nicer to rely on group ::destroy (lauris) */
558 sp_item_group_ungroup(SP_GROUP(group), &children, false);
559 ungrouped = true;
560 // Add ungrouped items to the new selection.
561 new_select = g_slist_concat(new_select, children);
562 }
564 if (new_select) { // Set new selection.
565 selection->addList(new_select);
566 g_slist_free(new_select);
567 }
568 if (!ungrouped) {
569 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No groups</b> to ungroup in the selection."));
570 }
572 g_slist_free(items);
574 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_UNGROUP,
575 _("Ungroup"));
576 }
578 static SPGroup *
579 sp_item_list_common_parent_group(const GSList *items)
580 {
581 if (!items) {
582 return NULL;
583 }
584 SPObject *parent = SP_OBJECT_PARENT(items->data);
585 /* Strictly speaking this CAN happen, if user selects <svg> from XML editor */
586 if (!SP_IS_GROUP(parent)) {
587 return NULL;
588 }
589 for (items = items->next; items; items = items->next) {
590 if (SP_OBJECT_PARENT(items->data) != parent) {
591 return NULL;
592 }
593 }
595 return SP_GROUP(parent);
596 }
598 /** Finds out the minimum common bbox of the selected items
599 */
600 NR::Rect
601 enclose_items(const GSList *items)
602 {
603 g_assert(items != NULL);
605 NR::Rect r = sp_item_bbox_desktop((SPItem *) items->data);
607 for (GSList *i = items->next; i; i = i->next) {
608 r = NR::Rect::union_bounds(r, sp_item_bbox_desktop((SPItem *) i->data));
609 }
611 return r;
612 }
614 SPObject *
615 prev_sibling(SPObject *child)
616 {
617 SPObject *parent = SP_OBJECT_PARENT(child);
618 if (!SP_IS_GROUP(parent)) {
619 return NULL;
620 }
621 for ( SPObject *i = sp_object_first_child(parent) ; i; i = SP_OBJECT_NEXT(i) ) {
622 if (i->next == child)
623 return i;
624 }
625 return NULL;
626 }
628 void
629 sp_selection_raise()
630 {
631 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
632 if (!desktop)
633 return;
635 Inkscape::Selection *selection = sp_desktop_selection(desktop);
637 GSList const *items = (GSList *) selection->itemList();
638 if (!items) {
639 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise."));
640 return;
641 }
643 SPGroup const *group = sp_item_list_common_parent_group(items);
644 if (!group) {
645 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
646 return;
647 }
649 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
651 /* construct reverse-ordered list of selected children */
652 GSList *rev = g_slist_copy((GSList *) items);
653 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
655 // find out the common bbox of the selected items
656 NR::Rect selected = enclose_items(items);
658 // for all objects in the selection (starting from top)
659 while (rev) {
660 SPObject *child = SP_OBJECT(rev->data);
661 // for each selected object, find the next sibling
662 for (SPObject *newref = child->next; newref; newref = newref->next) {
663 // if the sibling is an item AND overlaps our selection,
664 if (SP_IS_ITEM(newref) && selected.intersects(sp_item_bbox_desktop(SP_ITEM(newref)))) {
665 // AND if it's not one of our selected objects,
666 if (!g_slist_find((GSList *) items, newref)) {
667 // move the selected object after that sibling
668 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(newref));
669 }
670 break;
671 }
672 }
673 rev = g_slist_remove(rev, child);
674 }
676 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_RAISE,
677 _("Raise"));
678 }
680 void sp_selection_raise_to_top()
681 {
682 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
683 if (desktop == NULL)
684 return;
686 SPDocument *document = sp_desktop_document(desktop);
687 Inkscape::Selection *selection = sp_desktop_selection(desktop);
689 if (selection->isEmpty()) {
690 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise to top."));
691 return;
692 }
694 GSList const *items = (GSList *) selection->itemList();
696 SPGroup const *group = sp_item_list_common_parent_group(items);
697 if (!group) {
698 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
699 return;
700 }
702 GSList *rl = g_slist_copy((GSList *) selection->reprList());
703 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
705 for (GSList *l = rl; l != NULL; l = l->next) {
706 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
707 repr->setPosition(-1);
708 }
710 g_slist_free(rl);
712 sp_document_done(document, SP_VERB_SELECTION_TO_FRONT,
713 _("Raise to top"));
714 }
716 void
717 sp_selection_lower()
718 {
719 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
720 if (desktop == NULL)
721 return;
723 Inkscape::Selection *selection = sp_desktop_selection(desktop);
725 GSList const *items = (GSList *) selection->itemList();
726 if (!items) {
727 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower."));
728 return;
729 }
731 SPGroup const *group = sp_item_list_common_parent_group(items);
732 if (!group) {
733 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
734 return;
735 }
737 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
739 // find out the common bbox of the selected items
740 NR::Rect selected = enclose_items(items);
742 /* construct direct-ordered list of selected children */
743 GSList *rev = g_slist_copy((GSList *) items);
744 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
745 rev = g_slist_reverse(rev);
747 // for all objects in the selection (starting from top)
748 while (rev) {
749 SPObject *child = SP_OBJECT(rev->data);
750 // for each selected object, find the prev sibling
751 for (SPObject *newref = prev_sibling(child); newref; newref = prev_sibling(newref)) {
752 // if the sibling is an item AND overlaps our selection,
753 if (SP_IS_ITEM(newref) && selected.intersects(sp_item_bbox_desktop(SP_ITEM(newref)))) {
754 // AND if it's not one of our selected objects,
755 if (!g_slist_find((GSList *) items, newref)) {
756 // move the selected object before that sibling
757 SPObject *put_after = prev_sibling(newref);
758 if (put_after)
759 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(put_after));
760 else
761 SP_OBJECT_REPR(child)->setPosition(0);
762 }
763 break;
764 }
765 }
766 rev = g_slist_remove(rev, child);
767 }
769 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_LOWER,
770 _("Lower"));
772 }
774 void sp_selection_lower_to_bottom()
775 {
776 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
777 if (desktop == NULL)
778 return;
780 SPDocument *document = sp_desktop_document(desktop);
781 Inkscape::Selection *selection = sp_desktop_selection(desktop);
783 if (selection->isEmpty()) {
784 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower to bottom."));
785 return;
786 }
788 GSList const *items = (GSList *) selection->itemList();
790 SPGroup const *group = sp_item_list_common_parent_group(items);
791 if (!group) {
792 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
793 return;
794 }
796 GSList *rl;
797 rl = g_slist_copy((GSList *) selection->reprList());
798 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
799 rl = g_slist_reverse(rl);
801 for (GSList *l = rl; l != NULL; l = l->next) {
802 gint minpos;
803 SPObject *pp, *pc;
804 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
805 pp = document->getObjectByRepr(sp_repr_parent(repr));
806 minpos = 0;
807 g_assert(SP_IS_GROUP(pp));
808 pc = sp_object_first_child(pp);
809 while (!SP_IS_ITEM(pc)) {
810 minpos += 1;
811 pc = pc->next;
812 }
813 repr->setPosition(minpos);
814 }
816 g_slist_free(rl);
818 sp_document_done(document, SP_VERB_SELECTION_TO_BACK,
819 _("Lower to bottom"));
820 }
822 void
823 sp_undo(SPDesktop *desktop, SPDocument *)
824 {
825 if (!sp_document_undo(sp_desktop_document(desktop)))
826 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to undo."));
827 }
829 void
830 sp_redo(SPDesktop *desktop, SPDocument *)
831 {
832 if (!sp_document_redo(sp_desktop_document(desktop)))
833 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to redo."));
834 }
836 void sp_selection_cut()
837 {
838 sp_selection_copy();
839 sp_selection_delete();
840 }
842 void sp_copy_gradient (GSList **defs_clip, SPGradient *gradient)
843 {
844 SPGradient *ref = gradient;
846 while (ref) {
847 // climb up the refs, copying each one in the chain
848 Inkscape::XML::Node *grad_repr = SP_OBJECT_REPR(ref)->duplicate();
849 *defs_clip = g_slist_prepend (*defs_clip, grad_repr);
851 ref = ref->ref->getObject();
852 }
853 }
855 void sp_copy_pattern (GSList **defs_clip, SPPattern *pattern)
856 {
857 SPPattern *ref = pattern;
859 while (ref) {
860 // climb up the refs, copying each one in the chain
861 Inkscape::XML::Node *pattern_repr = SP_OBJECT_REPR(ref)->duplicate();
862 *defs_clip = g_slist_prepend (*defs_clip, pattern_repr);
864 // items in the pattern may also use gradients and other patterns, so we need to recurse here as well
865 for (SPObject *child = sp_object_first_child(SP_OBJECT(ref)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
866 if (!SP_IS_ITEM (child))
867 continue;
868 sp_copy_stuff_used_by_item (defs_clip, (SPItem *) child, NULL);
869 }
871 ref = ref->ref->getObject();
872 }
873 }
875 void sp_copy_single (GSList **defs_clip, SPObject *thing)
876 {
877 Inkscape::XML::Node *duplicate_repr = SP_OBJECT_REPR(thing)->duplicate();
878 *defs_clip = g_slist_prepend (*defs_clip, duplicate_repr);
879 }
882 void sp_copy_textpath_path (GSList **defs_clip, SPTextPath *tp, const GSList *items)
883 {
884 SPItem *path = sp_textpath_get_path_item (tp);
885 if (!path)
886 return;
887 if (items && g_slist_find ((GSList *) items, path)) // do not copy it to defs if it is already in the list of items copied
888 return;
889 Inkscape::XML::Node *repr = SP_OBJECT_REPR(path)->duplicate();
890 *defs_clip = g_slist_prepend (*defs_clip, repr);
891 }
893 /**
894 * Copies things like patterns, markers, gradients, etc.
895 */
896 void sp_copy_stuff_used_by_item (GSList **defs_clip, SPItem *item, const GSList *items)
897 {
898 SPStyle *style = SP_OBJECT_STYLE (item);
900 if (style && (style->fill.type == SP_PAINT_TYPE_PAINTSERVER)) {
901 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
902 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
903 sp_copy_gradient (defs_clip, SP_GRADIENT(server));
904 if (SP_IS_PATTERN (server))
905 sp_copy_pattern (defs_clip, SP_PATTERN(server));
906 }
908 if (style && (style->stroke.type == SP_PAINT_TYPE_PAINTSERVER)) {
909 SPObject *server = SP_OBJECT_STYLE_STROKE_SERVER(item);
910 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
911 sp_copy_gradient (defs_clip, SP_GRADIENT(server));
912 if (SP_IS_PATTERN (server))
913 sp_copy_pattern (defs_clip, SP_PATTERN(server));
914 }
916 // For shapes, copy all of the shape's markers into defs_clip
917 if (SP_IS_SHAPE (item)) {
918 SPShape *shape = SP_SHAPE (item);
919 for (int i = 0 ; i < SP_MARKER_LOC_QTY ; i++) {
920 if (shape->marker[i]) {
921 sp_copy_single (defs_clip, SP_OBJECT (shape->marker[i]));
922 }
923 }
924 }
926 if (SP_IS_TEXT_TEXTPATH (item)) {
927 sp_copy_textpath_path (defs_clip, SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))), items);
928 }
930 if (item->clip_ref->getObject()) {
931 sp_copy_single (defs_clip, item->clip_ref->getObject());
932 }
934 if (item->mask_ref->getObject()) {
935 SPObject *mask = item->mask_ref->getObject();
936 sp_copy_single (defs_clip, mask);
937 // recurse into the mask for its gradients etc.
938 for (SPObject *o = SP_OBJECT(mask)->children; o != NULL; o = o->next) {
939 if (SP_IS_ITEM(o))
940 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items);
941 }
942 }
944 if (style->filter.filter) {
945 SPObject *filter = style->filter.filter;
946 if (SP_IS_FILTER(filter)) {
947 sp_copy_single (defs_clip, filter);
948 }
949 }
951 // recurse
952 for (SPObject *o = SP_OBJECT(item)->children; o != NULL; o = o->next) {
953 if (SP_IS_ITEM(o))
954 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items);
955 }
956 }
958 /**
959 * \pre item != NULL
960 */
961 SPCSSAttr *
962 take_style_from_item (SPItem *item)
963 {
964 // write the complete cascaded style, context-free
965 SPCSSAttr *css = sp_css_attr_from_object (SP_OBJECT(item), SP_STYLE_FLAG_ALWAYS);
966 if (css == NULL)
967 return NULL;
969 if ((SP_IS_GROUP(item) && SP_OBJECT(item)->children) ||
970 (SP_IS_TEXT (item) && SP_OBJECT(item)->children && SP_OBJECT(item)->children->next == NULL)) {
971 // if this is a text with exactly one tspan child, merge the style of that tspan as well
972 // If this is a group, merge the style of its topmost (last) child with style
973 for (SPObject *last_element = item->lastChild(); last_element != NULL; last_element = SP_OBJECT_PREV (last_element)) {
974 if (SP_OBJECT_STYLE (last_element) != NULL) {
975 SPCSSAttr *temp = sp_css_attr_from_object (last_element, SP_STYLE_FLAG_IFSET);
976 if (temp) {
977 sp_repr_css_merge (css, temp);
978 sp_repr_css_attr_unref (temp);
979 }
980 break;
981 }
982 }
983 }
984 if (!(SP_IS_TEXT (item) || SP_IS_TSPAN (item) || SP_IS_STRING (item))) {
985 // do not copy text properties from non-text objects, it's confusing
986 css = sp_css_attr_unset_text (css);
987 }
989 // FIXME: also transform gradient/pattern fills, by forking? NO, this must be nondestructive
990 double ex = NR::expansion(sp_item_i2doc_affine(item));
991 if (ex != 1.0) {
992 css = sp_css_attr_scale (css, ex);
993 }
995 return css;
996 }
999 void sp_selection_copy()
1000 {
1001 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1002 if (desktop == NULL)
1003 return;
1005 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1007 if (tools_isactive (desktop, TOOLS_DROPPER)) {
1008 sp_dropper_context_copy(desktop->event_context);
1009 return; // copied color under cursor, nothing else to do
1010 }
1012 // check if something is selected
1013 if (selection->isEmpty()) {
1014 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing was copied."));
1015 return;
1016 }
1018 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1020 // 0. Copy text to system clipboard
1021 // FIXME: for non-texts, put serialized XML as text to the clipboard;
1022 //for this sp_repr_write_stream needs to be rewritten with iostream instead of FILE
1023 Glib::ustring text;
1024 if (tools_isactive (desktop, TOOLS_TEXT)) {
1025 text = sp_text_get_selected_text(desktop->event_context);
1026 }
1028 if (text.empty()) {
1029 guint texts = 0;
1030 for (GSList *i = (GSList *) items; i; i = i->next) {
1031 SPItem *item = SP_ITEM (i->data);
1032 if (SP_IS_TEXT (item) || SP_IS_FLOWTEXT(item)) {
1033 if (texts > 0) // if more than one text object is copied, separate them by spaces
1034 text += " ";
1035 gchar *this_text = sp_te_get_string_multiline (item);
1036 if (this_text) {
1037 text += this_text;
1038 g_free(this_text);
1039 }
1040 texts++;
1041 }
1042 }
1043 }
1044 if (!text.empty()) {
1045 Glib::RefPtr<Gtk::Clipboard> refClipboard = Gtk::Clipboard::get();
1046 refClipboard->set_text(text);
1047 }
1049 // clear old defs clipboard
1050 while (defs_clipboard) {
1051 Inkscape::GC::release((Inkscape::XML::Node *) defs_clipboard->data);
1052 defs_clipboard = g_slist_remove (defs_clipboard, defs_clipboard->data);
1053 }
1055 // clear style clipboard
1056 if (style_clipboard) {
1057 sp_repr_css_attr_unref (style_clipboard);
1058 style_clipboard = NULL;
1059 }
1061 //clear main clipboard
1062 while (clipboard) {
1063 Inkscape::GC::release((Inkscape::XML::Node *) clipboard->data);
1064 clipboard = g_slist_remove(clipboard, clipboard->data);
1065 }
1067 sp_selection_copy_impl (items, &clipboard, &defs_clipboard, &style_clipboard);
1069 if (tools_isactive (desktop, TOOLS_TEXT)) { // take style from cursor/text selection, overwriting the style just set by copy_impl
1070 SPStyle *const query = sp_style_new();
1071 if (sp_desktop_query_style_all (desktop, query)) {
1072 SPCSSAttr *css = sp_css_attr_from_style (query, SP_STYLE_FLAG_ALWAYS);
1073 if (css != NULL) {
1074 // clear style clipboard
1075 if (style_clipboard) {
1076 sp_repr_css_attr_unref (style_clipboard);
1077 style_clipboard = NULL;
1078 }
1079 //sp_repr_css_print (css);
1080 style_clipboard = css;
1081 }
1082 }
1083 g_free (query);
1084 }
1086 size_clipboard = selection->bounds();
1088 g_slist_free ((GSList *) items);
1089 }
1091 void sp_selection_paste(bool in_place)
1092 {
1093 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1095 if (desktop == NULL) {
1096 return;
1097 }
1099 SPDocument *document = sp_desktop_document(desktop);
1101 if (Inkscape::have_viable_layer(desktop, desktop->messageStack()) == false) {
1102 return;
1103 }
1105 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1107 if (tools_isactive (desktop, TOOLS_TEXT)) {
1108 if (sp_text_paste_inline(desktop->event_context))
1109 return; // pasted from system clipboard into text, nothing else to do
1110 }
1112 // check if something is in the clipboard
1113 if (clipboard == NULL) {
1114 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1115 return;
1116 }
1118 GSList *copied = sp_selection_paste_impl(document, desktop->currentLayer(), &clipboard, &defs_clipboard);
1119 // add pasted objects to selection
1120 selection->setReprList((GSList const *) copied);
1121 g_slist_free (copied);
1123 if (!in_place) {
1124 sp_document_ensure_up_to_date(document);
1126 NR::Point m( desktop->point() - selection->bounds().midpoint() );
1128 /* Snap the offset of the new item(s) to the grid */
1129 /* FIXME: this gridsnap fiddling is a hack. */
1130 Inkscape::GridSnapper &s = desktop->namedview->snap_manager.grid;
1131 gdouble const curr_gridsnap = s.getDistance();
1132 s.setDistance(NR_HUGE);
1133 m = s.freeSnap(Inkscape::Snapper::SNAP_POINT, m, NULL).getPoint();
1134 s.setDistance(curr_gridsnap);
1135 sp_selection_move_relative(selection, m);
1136 }
1138 sp_document_done(document, SP_VERB_EDIT_PASTE,
1139 _("Paste"));
1140 }
1142 void sp_selection_paste_style()
1143 {
1144 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1145 if (desktop == NULL) return;
1147 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1149 // check if something is in the clipboard
1150 if (clipboard == NULL) {
1151 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1152 return;
1153 }
1155 // check if something is selected
1156 if (selection->isEmpty()) {
1157 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste style to."));
1158 return;
1159 }
1161 paste_defs (&defs_clipboard, sp_desktop_document(desktop));
1163 sp_desktop_set_style (desktop, style_clipboard);
1165 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_STYLE,
1166 _("Paste style"));
1167 }
1169 void sp_selection_paste_size (bool apply_x, bool apply_y)
1170 {
1171 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1172 if (desktop == NULL) return;
1174 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1176 // check if something is in the clipboard
1177 if (size_clipboard.extent(NR::X) < 1e-6 || size_clipboard.extent(NR::Y) < 1e-6) {
1178 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1179 return;
1180 }
1182 // check if something is selected
1183 if (selection->isEmpty()) {
1184 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
1185 return;
1186 }
1188 NR::Rect current = selection->bounds();
1189 if (current.extent(NR::X) < 1e-6 || current.extent(NR::Y) < 1e-6) {
1190 return;
1191 }
1193 double scale_x = size_clipboard.extent(NR::X) / current.extent(NR::X);
1194 double scale_y = size_clipboard.extent(NR::Y) / current.extent(NR::Y);
1196 sp_selection_scale_relative (selection, current.midpoint(),
1197 NR::scale(
1198 apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
1199 apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
1201 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_SIZE,
1202 _("Paste size"));
1203 }
1205 void sp_selection_paste_size_separately (bool apply_x, bool apply_y)
1206 {
1207 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1208 if (desktop == NULL) return;
1210 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1212 // check if something is in the clipboard
1213 if (size_clipboard.extent(NR::X) < 1e-6 || size_clipboard.extent(NR::Y) < 1e-6) {
1214 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1215 return;
1216 }
1218 // check if something is selected
1219 if (selection->isEmpty()) {
1220 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
1221 return;
1222 }
1224 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1225 SPItem *item = SP_ITEM(l->data);
1227 NR::Rect current = sp_item_bbox_desktop(item);
1228 if (current.extent(NR::X) < 1e-6 || current.extent(NR::Y) < 1e-6) {
1229 continue;
1230 }
1232 double scale_x = size_clipboard.extent(NR::X) / current.extent(NR::X);
1233 double scale_y = size_clipboard.extent(NR::Y) / current.extent(NR::Y);
1235 sp_item_scale_rel (item,
1236 NR::scale(
1237 apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
1238 apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
1240 }
1242 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_SIZE_SEPARATELY,
1243 _("Paste size separately"));
1244 }
1246 void sp_selection_to_next_layer ()
1247 {
1248 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1250 Inkscape::Selection *selection = sp_desktop_selection(dt);
1252 // check if something is selected
1253 if (selection->isEmpty()) {
1254 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer above."));
1255 return;
1256 }
1258 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1260 bool no_more = false; // Set to true, if no more layers above
1261 SPObject *next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer());
1262 if (next) {
1263 GSList *temp_clip = NULL;
1264 sp_selection_copy_impl (items, &temp_clip, NULL, NULL); // we're in the same doc, so no need to copy defs
1265 sp_selection_delete_impl (items);
1266 next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1267 GSList *copied;
1268 if(next) {
1269 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
1270 } else {
1271 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
1272 no_more = true;
1273 }
1274 selection->setReprList((GSList const *) copied);
1275 g_slist_free (copied);
1276 if (temp_clip) g_slist_free (temp_clip);
1277 if (next) dt->setCurrentLayer(next);
1278 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_NEXT,
1279 _("Raise to next layer"));
1280 } else {
1281 no_more = true;
1282 }
1284 if (no_more) {
1285 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers above."));
1286 }
1288 g_slist_free ((GSList *) items);
1289 }
1291 void sp_selection_to_prev_layer ()
1292 {
1293 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1295 Inkscape::Selection *selection = sp_desktop_selection(dt);
1297 // check if something is selected
1298 if (selection->isEmpty()) {
1299 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer below."));
1300 return;
1301 }
1303 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1305 bool no_more = false; // Set to true, if no more layers below
1306 SPObject *next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer());
1307 if (next) {
1308 GSList *temp_clip = NULL;
1309 sp_selection_copy_impl (items, &temp_clip, NULL, NULL); // we're in the same doc, so no need to copy defs
1310 sp_selection_delete_impl (items);
1311 next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1312 GSList *copied;
1313 if(next) {
1314 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
1315 } else {
1316 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
1317 no_more = true;
1318 }
1319 selection->setReprList((GSList const *) copied);
1320 g_slist_free (copied);
1321 if (temp_clip) g_slist_free (temp_clip);
1322 if (next) dt->setCurrentLayer(next);
1323 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_PREV,
1324 _("Lower to previous layer"));
1325 } else {
1326 no_more = true;
1327 }
1329 if (no_more) {
1330 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers below."));
1331 }
1333 g_slist_free ((GSList *) items);
1334 }
1336 bool
1337 selection_contains_both_clone_and_original (Inkscape::Selection *selection)
1338 {
1339 bool clone_with_original = false;
1340 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1341 SPItem *item = SP_ITEM(l->data);
1342 bool is_use = SP_IS_USE(item);
1343 SPItem *item_use = item;
1344 SPItem *item_use_first = item;
1345 while (is_use && item_use && !clone_with_original)
1346 {
1347 item_use = sp_use_get_original (SP_USE(item_use));
1348 clone_with_original |= selection->includes(item_use);
1349 if (item_use == item_use_first)
1350 break;
1351 is_use = SP_IS_USE(item_use);
1352 }
1353 if (clone_with_original)
1354 break;
1355 }
1356 return clone_with_original;
1357 }
1360 /** Apply matrix to the selection. \a set_i2d is normally true, which means objects are in the
1361 original transform, synced with their reprs, and need to jump to the new transform in one go. A
1362 value of set_i2d==false is only used by seltrans when it's dragging objects live (not outlines); in
1363 that case, items are already in the new position, but the repr is in the old, and this function
1364 then simply updates the repr from item->transform.
1365 */
1366 void sp_selection_apply_affine(Inkscape::Selection *selection, NR::Matrix const &affine, bool set_i2d)
1367 {
1368 if (selection->isEmpty())
1369 return;
1371 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1372 SPItem *item = SP_ITEM(l->data);
1374 NR::Point old_center(0,0);
1375 if (set_i2d && item->isCenterSet())
1376 old_center = item->getCenter();
1378 #if 0 /* Re-enable this once persistent guides have a graphical indication.
1379 At the time of writing, this is the only place to re-enable. */
1380 sp_item_update_cns(*item, selection->desktop());
1381 #endif
1383 // we're moving both a clone and its original?
1384 bool transform_clone_with_original = (SP_IS_USE(item) && selection->includes( sp_use_get_original (SP_USE(item)) ));
1385 // ...both a text-on-path and its path?
1386 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)))) ));
1387 // ...both a flowtext and its frame?
1388 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)
1389 // ...both an offset and its source?
1390 bool transform_offset_with_source = (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) && selection->includes( sp_offset_get_source (SP_OFFSET(item)) );
1392 // If we're moving a connector, we want to detach it
1393 // from shapes that aren't part of the selection, but
1394 // leave it attached if they are
1395 if (cc_item_is_connector(item)) {
1396 SPItem *attItem[2];
1397 SP_PATH(item)->connEndPair.getAttachedItems(attItem);
1399 for (int n = 0; n < 2; ++n) {
1400 if (!selection->includes(attItem[n])) {
1401 sp_conn_end_detach(item, n);
1402 }
1403 }
1404 }
1406 // "clones are unmoved when original is moved" preference
1407 int compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
1408 bool prefs_unmoved = (compensation == SP_CLONE_COMPENSATION_UNMOVED);
1409 bool prefs_parallel = (compensation == SP_CLONE_COMPENSATION_PARALLEL);
1411 // If this is a clone and it's selected along with its original, do not move it; it will feel the
1412 // transform of its original and respond to it itself. Without this, a clone is doubly
1413 // transformed, very unintuitive.
1414 // Same for textpath if we are also doing ANY transform to its path: do not touch textpath,
1415 // letters cannot be squeezed or rotated anyway, they only refill the changed path.
1416 // Same for linked offset if we are also moving its source: do not move it.
1417 if (transform_textpath_with_path || transform_offset_with_source) {
1418 // restore item->transform field from the repr, in case it was changed by seltrans
1419 sp_object_read_attr (SP_OBJECT (item), "transform");
1421 } else if (transform_flowtext_with_frame) {
1422 // apply the inverse of the region's transform to the <use> so that the flow remains
1423 // the same (even though the output itself gets transformed)
1424 for (SPObject *region = item->firstChild() ; region ; region = SP_OBJECT_NEXT(region)) {
1425 if (!SP_IS_FLOWREGION(region) && !SP_IS_FLOWREGIONEXCLUDE(region))
1426 continue;
1427 for (SPObject *use = region->firstChild() ; use ; use = SP_OBJECT_NEXT(use)) {
1428 if (!SP_IS_USE(use)) continue;
1429 sp_item_write_transform(SP_USE(use), SP_OBJECT_REPR(use), item->transform.inverse(), NULL);
1430 }
1431 }
1432 } else if (transform_clone_with_original) {
1433 // We are transforming a clone along with its original. The below matrix juggling is
1434 // necessary to ensure that they transform as a whole, i.e. the clone's induced
1435 // transform and its move compensation are both cancelled out.
1437 // restore item->transform field from the repr, in case it was changed by seltrans
1438 sp_object_read_attr (SP_OBJECT (item), "transform");
1440 // calculate the matrix we need to apply to the clone to cancel its induced transform from its original
1441 NR::Matrix parent_transform = sp_item_i2root_affine(SP_ITEM(SP_OBJECT_PARENT (item)));
1442 NR::Matrix t = parent_transform * matrix_to_desktop (matrix_from_desktop (affine, item), item) * parent_transform.inverse();
1443 NR::Matrix t_inv =parent_transform * matrix_to_desktop (matrix_from_desktop (affine.inverse(), item), item) * parent_transform.inverse();
1444 NR::Matrix result = t_inv * item->transform * t;
1446 if ((prefs_parallel || prefs_unmoved) && affine.is_translation()) {
1447 // we need to cancel out the move compensation, too
1449 // find out the clone move, same as in sp_use_move_compensate
1450 NR::Matrix parent = sp_use_get_parent_transform (SP_USE(item));
1451 NR::Matrix clone_move = parent.inverse() * t * parent;
1453 if (prefs_parallel) {
1454 NR::Matrix move = result * clone_move * t_inv;
1455 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move);
1457 } else if (prefs_unmoved) {
1458 //if (SP_IS_USE(sp_use_get_original(SP_USE(item))))
1459 // clone_move = NR::identity();
1460 NR::Matrix move = result * clone_move;
1461 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &t);
1462 }
1464 } else {
1465 // just apply the result
1466 sp_item_write_transform(item, SP_OBJECT_REPR(item), result, &t);
1467 }
1469 } else {
1470 if (set_i2d) {
1471 sp_item_set_i2d_affine(item, sp_item_i2d_affine(item) * affine);
1472 }
1473 sp_item_write_transform(item, SP_OBJECT_REPR(item), item->transform, NULL);
1474 }
1476 // if we're moving the actual object, not just updating the repr, we can transform the
1477 // center by the same matrix (only necessary for non-translations)
1478 if (set_i2d && item->isCenterSet() && !affine.is_translation()) {
1479 item->setCenter(old_center * affine);
1480 SP_OBJECT(item)->updateRepr();
1481 }
1482 }
1483 }
1485 void sp_selection_remove_transform()
1486 {
1487 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1488 if (desktop == NULL)
1489 return;
1491 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1493 GSList const *l = (GSList *) selection->reprList();
1494 while (l != NULL) {
1495 sp_repr_set_attr((Inkscape::XML::Node*)l->data, "transform", NULL);
1496 l = l->next;
1497 }
1499 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_FLATTEN,
1500 _("Remove transform"));
1501 }
1503 void
1504 sp_selection_scale_absolute(Inkscape::Selection *selection,
1505 double const x0, double const x1,
1506 double const y0, double const y1)
1507 {
1508 if (selection->isEmpty())
1509 return;
1511 NR::Rect const bbox(selection->bounds());
1512 if (bbox.isEmpty()) {
1513 return;
1514 }
1516 NR::translate const p2o(-bbox.min());
1518 NR::scale const newSize(x1 - x0,
1519 y1 - y0);
1520 NR::scale const scale( newSize / NR::scale(bbox.dimensions()) );
1521 NR::translate const o2n(x0, y0);
1522 NR::Matrix const final( p2o * scale * o2n );
1524 sp_selection_apply_affine(selection, final);
1525 }
1528 void sp_selection_scale_relative(Inkscape::Selection *selection, NR::Point const &align, NR::scale const &scale)
1529 {
1530 if (selection->isEmpty())
1531 return;
1533 NR::Rect const bbox(selection->bounds());
1535 if (bbox.isEmpty()) {
1536 return;
1537 }
1539 // FIXME: ARBITRARY LIMIT: don't try to scale above 1 Mpx, it won't display properly and will crash sooner or later anyway
1540 if ( bbox.extent(NR::X) * scale[NR::X] > 1e6 ||
1541 bbox.extent(NR::Y) * scale[NR::Y] > 1e6 )
1542 {
1543 return;
1544 }
1546 NR::translate const n2d(-align);
1547 NR::translate const d2n(align);
1548 NR::Matrix const final( n2d * scale * d2n );
1549 sp_selection_apply_affine(selection, final);
1550 }
1552 void
1553 sp_selection_rotate_relative(Inkscape::Selection *selection, NR::Point const ¢er, gdouble const angle_degrees)
1554 {
1555 NR::translate const d2n(center);
1556 NR::translate const n2d(-center);
1557 NR::rotate const rotate(rotate_degrees(angle_degrees));
1558 NR::Matrix const final( NR::Matrix(n2d) * rotate * d2n );
1559 sp_selection_apply_affine(selection, final);
1560 }
1562 void
1563 sp_selection_skew_relative(Inkscape::Selection *selection, NR::Point const &align, double dx, double dy)
1564 {
1565 NR::translate const d2n(align);
1566 NR::translate const n2d(-align);
1567 NR::Matrix const skew(1, dy,
1568 dx, 1,
1569 0, 0);
1570 NR::Matrix const final( n2d * skew * d2n );
1571 sp_selection_apply_affine(selection, final);
1572 }
1574 void sp_selection_move_relative(Inkscape::Selection *selection, NR::Point const &move)
1575 {
1576 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(move)));
1577 }
1579 void sp_selection_move_relative(Inkscape::Selection *selection, double dx, double dy)
1580 {
1581 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(dx, dy)));
1582 }
1585 /**
1586 * \brief sp_selection_rotate_90
1587 *
1588 * This function rotates selected objects 90 degrees clockwise.
1589 *
1590 */
1592 void sp_selection_rotate_90_cw()
1593 {
1594 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1596 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1598 if (selection->isEmpty())
1599 return;
1601 GSList const *l = selection->itemList();
1602 NR::rotate const rot_neg_90(NR::Point(0, -1));
1603 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1604 SPItem *item = SP_ITEM(l2->data);
1605 sp_item_rotate_rel(item, rot_neg_90);
1606 }
1608 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CCW,
1609 _("Rotate 90° CW"));
1610 }
1613 /**
1614 * \brief sp_selection_rotate_90_ccw
1615 *
1616 * This function rotates selected objects 90 degrees counter-clockwise.
1617 *
1618 */
1620 void sp_selection_rotate_90_ccw()
1621 {
1622 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1624 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1626 if (selection->isEmpty())
1627 return;
1629 GSList const *l = selection->itemList();
1630 NR::rotate const rot_neg_90(NR::Point(0, 1));
1631 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1632 SPItem *item = SP_ITEM(l2->data);
1633 sp_item_rotate_rel(item, rot_neg_90);
1634 }
1636 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CW,
1637 _("Rotate 90° CCW"));
1638 }
1640 void
1641 sp_selection_rotate(Inkscape::Selection *selection, gdouble const angle_degrees)
1642 {
1643 if (selection->isEmpty())
1644 return;
1646 NR::Point center = selection->center();
1648 sp_selection_rotate_relative(selection, center, angle_degrees);
1650 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1651 ( ( angle_degrees > 0 )
1652 ? "selector:rotate:ccw"
1653 : "selector:rotate:cw" ),
1654 SP_VERB_CONTEXT_SELECT,
1655 _("Rotate"));
1656 }
1658 /**
1659 \param angle the angle in "angular pixels", i.e. how many visible pixels must move the outermost point of the rotated object
1660 */
1661 void
1662 sp_selection_rotate_screen(Inkscape::Selection *selection, gdouble angle)
1663 {
1664 if (selection->isEmpty())
1665 return;
1667 NR::Rect const bbox(selection->bounds());
1669 NR::Point center = selection->center();
1671 gdouble const zoom = selection->desktop()->current_zoom();
1672 gdouble const zmove = angle / zoom;
1673 gdouble const r = NR::L2(bbox.max() - center);
1675 gdouble const zangle = 180 * atan2(zmove, r) / M_PI;
1677 sp_selection_rotate_relative(selection, center, zangle);
1679 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1680 ( (angle > 0)
1681 ? "selector:rotate:ccw"
1682 : "selector:rotate:cw" ),
1683 SP_VERB_CONTEXT_SELECT,
1684 _("Rotate by pixels"));
1685 }
1687 void
1688 sp_selection_scale(Inkscape::Selection *selection, gdouble grow)
1689 {
1690 if (selection->isEmpty())
1691 return;
1693 NR::Rect const bbox(selection->bounds());
1694 NR::Point const center(bbox.midpoint());
1695 double const max_len = bbox.maxExtent();
1697 // you can't scale "do nizhe pola" (below zero)
1698 if ( max_len + grow <= 1e-3 ) {
1699 return;
1700 }
1702 double const times = 1.0 + grow / max_len;
1703 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1705 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1706 ( (grow > 0)
1707 ? "selector:scale:larger"
1708 : "selector:scale:smaller" ),
1709 SP_VERB_CONTEXT_SELECT,
1710 _("Scale"));
1711 }
1713 void
1714 sp_selection_scale_screen(Inkscape::Selection *selection, gdouble grow_pixels)
1715 {
1716 sp_selection_scale(selection,
1717 grow_pixels / selection->desktop()->current_zoom());
1718 }
1720 void
1721 sp_selection_scale_times(Inkscape::Selection *selection, gdouble times)
1722 {
1723 if (selection->isEmpty())
1724 return;
1726 NR::Point const center(selection->bounds().midpoint());
1727 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1728 sp_document_done(sp_desktop_document(selection->desktop()), SP_VERB_CONTEXT_SELECT,
1729 _("Scale by whole factor"));
1730 }
1732 void
1733 sp_selection_move(gdouble dx, gdouble dy)
1734 {
1735 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1736 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1737 if (selection->isEmpty()) {
1738 return;
1739 }
1741 sp_selection_move_relative(selection, dx, dy);
1743 if (dx == 0) {
1744 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1745 _("Move vertically"));
1746 } else if (dy == 0) {
1747 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1748 _("Move horizontally"));
1749 } else {
1750 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1751 _("Move"));
1752 }
1753 }
1755 void
1756 sp_selection_move_screen(gdouble dx, gdouble dy)
1757 {
1758 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1760 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1761 if (selection->isEmpty()) {
1762 return;
1763 }
1765 // same as sp_selection_move but divide deltas by zoom factor
1766 gdouble const zoom = desktop->current_zoom();
1767 gdouble const zdx = dx / zoom;
1768 gdouble const zdy = dy / zoom;
1769 sp_selection_move_relative(selection, zdx, zdy);
1771 if (dx == 0) {
1772 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1773 _("Move vertically by pixels"));
1774 } else if (dy == 0) {
1775 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1776 _("Move horizontally by pixels"));
1777 } else {
1778 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1779 _("Move"));
1780 }
1781 }
1783 namespace {
1785 template <typename D>
1786 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1787 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1789 template <typename D>
1790 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items, SPObject *root,
1791 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1793 struct Forward {
1794 typedef SPObject *Iterator;
1796 static Iterator children(SPObject *o) { return sp_object_first_child(o); }
1797 static Iterator siblings_after(SPObject *o) { return SP_OBJECT_NEXT(o); }
1798 static void dispose(Iterator i) {}
1800 static SPObject *object(Iterator i) { return i; }
1801 static Iterator next(Iterator i) { return SP_OBJECT_NEXT(i); }
1802 };
1804 struct Reverse {
1805 typedef GSList *Iterator;
1807 static Iterator children(SPObject *o) {
1808 return make_list(o->firstChild(), NULL);
1809 }
1810 static Iterator siblings_after(SPObject *o) {
1811 return make_list(SP_OBJECT_PARENT(o)->firstChild(), o);
1812 }
1813 static void dispose(Iterator i) {
1814 g_slist_free(i);
1815 }
1817 static SPObject *object(Iterator i) {
1818 return reinterpret_cast<SPObject *>(i->data);
1819 }
1820 static Iterator next(Iterator i) { return i->next; }
1822 private:
1823 static GSList *make_list(SPObject *object, SPObject *limit) {
1824 GSList *list=NULL;
1825 while ( object != limit ) {
1826 list = g_slist_prepend(list, object);
1827 object = SP_OBJECT_NEXT(object);
1828 }
1829 return list;
1830 }
1831 };
1833 }
1835 void
1836 sp_selection_item_next(void)
1837 {
1838 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1839 g_return_if_fail(desktop != NULL);
1840 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1842 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1843 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1844 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1846 SPObject *root;
1847 if (PREFS_SELECTION_ALL != inlayer) {
1848 root = selection->activeContext();
1849 } else {
1850 root = desktop->currentRoot();
1851 }
1853 SPItem *item=next_item_from_list<Forward>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1855 if (item) {
1856 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1857 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1858 scroll_to_show_item(desktop, item);
1859 }
1860 }
1861 }
1863 void
1864 sp_selection_item_prev(void)
1865 {
1866 SPDocument *document = SP_ACTIVE_DOCUMENT;
1867 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1868 g_return_if_fail(document != NULL);
1869 g_return_if_fail(desktop != NULL);
1870 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1872 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1873 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1874 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1876 SPObject *root;
1877 if (PREFS_SELECTION_ALL != inlayer) {
1878 root = selection->activeContext();
1879 } else {
1880 root = desktop->currentRoot();
1881 }
1883 SPItem *item=next_item_from_list<Reverse>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1885 if (item) {
1886 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1887 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1888 scroll_to_show_item(desktop, item);
1889 }
1890 }
1891 }
1893 namespace {
1895 template <typename D>
1896 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items,
1897 SPObject *root, bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1898 {
1899 SPObject *current=root;
1900 while (items) {
1901 SPItem *item=SP_ITEM(items->data);
1902 if ( root->isAncestorOf(item) &&
1903 ( !only_in_viewport || desktop->isWithinViewport(item) ) )
1904 {
1905 current = item;
1906 break;
1907 }
1908 items = items->next;
1909 }
1911 GSList *path=NULL;
1912 while ( current != root ) {
1913 path = g_slist_prepend(path, current);
1914 current = SP_OBJECT_PARENT(current);
1915 }
1917 SPItem *next;
1918 // first, try from the current object
1919 next = next_item<D>(desktop, path, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1920 g_slist_free(path);
1922 if (!next) { // if we ran out of objects, start over at the root
1923 next = next_item<D>(desktop, NULL, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1924 }
1926 return next;
1927 }
1929 template <typename D>
1930 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1931 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1932 {
1933 typename D::Iterator children;
1934 typename D::Iterator iter;
1936 SPItem *found=NULL;
1938 if (path) {
1939 SPObject *object=reinterpret_cast<SPObject *>(path->data);
1940 g_assert(SP_OBJECT_PARENT(object) == root);
1941 if (desktop->isLayer(object)) {
1942 found = next_item<D>(desktop, path->next, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1943 }
1944 iter = children = D::siblings_after(object);
1945 } else {
1946 iter = children = D::children(root);
1947 }
1949 while ( iter && !found ) {
1950 SPObject *object=D::object(iter);
1951 if (desktop->isLayer(object)) {
1952 if (PREFS_SELECTION_LAYER != inlayer) { // recurse into sublayers
1953 found = next_item<D>(desktop, NULL, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1954 }
1955 } else if ( SP_IS_ITEM(object) &&
1956 ( !only_in_viewport || desktop->isWithinViewport(SP_ITEM(object)) ) &&
1957 ( !onlyvisible || !desktop->itemIsHidden(SP_ITEM(object))) &&
1958 ( !onlysensitive || !SP_ITEM(object)->isLocked()) &&
1959 !desktop->isLayer(SP_ITEM(object)) )
1960 {
1961 found = SP_ITEM(object);
1962 }
1963 iter = D::next(iter);
1964 }
1966 D::dispose(children);
1968 return found;
1969 }
1971 }
1973 /**
1974 * If \a item is not entirely visible then adjust visible area to centre on the centre on of
1975 * \a item.
1976 */
1977 void scroll_to_show_item(SPDesktop *desktop, SPItem *item)
1978 {
1979 NR::Rect dbox = desktop->get_display_area();
1980 NR::Rect sbox = sp_item_bbox_desktop(item);
1982 if (dbox.contains(sbox) == false) {
1983 NR::Point const s_dt = sbox.midpoint();
1984 NR::Point const s_w = desktop->d2w(s_dt);
1985 NR::Point const d_dt = dbox.midpoint();
1986 NR::Point const d_w = desktop->d2w(d_dt);
1987 NR::Point const moved_w( d_w - s_w );
1988 gint const dx = (gint) moved_w[X];
1989 gint const dy = (gint) moved_w[Y];
1990 desktop->scroll_world(dx, dy);
1991 }
1992 }
1995 void
1996 sp_selection_clone()
1997 {
1998 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1999 if (desktop == NULL)
2000 return;
2002 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2004 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
2006 // check if something is selected
2007 if (selection->isEmpty()) {
2008 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object</b> to clone."));
2009 return;
2010 }
2012 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
2014 selection->clear();
2016 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
2017 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
2019 GSList *newsel = NULL;
2021 while (reprs) {
2022 Inkscape::XML::Node *sel_repr = (Inkscape::XML::Node *) reprs->data;
2023 Inkscape::XML::Node *parent = sp_repr_parent(sel_repr);
2025 Inkscape::XML::Node *clone = xml_doc->createElement("svg:use");
2026 sp_repr_set_attr(clone, "x", "0");
2027 sp_repr_set_attr(clone, "y", "0");
2028 sp_repr_set_attr(clone, "xlink:href", g_strdup_printf("#%s", sel_repr->attribute("id")));
2030 sp_repr_set_attr(clone, "inkscape:transform-center-x", sel_repr->attribute("inkscape:transform-center-x"));
2031 sp_repr_set_attr(clone, "inkscape:transform-center-y", sel_repr->attribute("inkscape:transform-center-y"));
2033 // add the new clone to the top of the original's parent
2034 parent->appendChild(clone);
2036 newsel = g_slist_prepend(newsel, clone);
2037 reprs = g_slist_remove(reprs, sel_repr);
2038 Inkscape::GC::release(clone);
2039 }
2041 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_CLONE,
2042 _("Clone"));
2044 selection->setReprList(newsel);
2046 g_slist_free(newsel);
2047 }
2049 void
2050 sp_selection_unlink()
2051 {
2052 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2053 if (!desktop)
2054 return;
2056 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2058 if (selection->isEmpty()) {
2059 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>clone</b> to unlink."));
2060 return;
2061 }
2063 // Get a copy of current selection.
2064 GSList *new_select = NULL;
2065 bool unlinked = false;
2066 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2067 items != NULL;
2068 items = items->next)
2069 {
2070 SPItem *use = (SPItem *) items->data;
2072 if (!SP_IS_USE(use)) {
2073 // keep the non-yse item in the new selection
2074 new_select = g_slist_prepend(new_select, use);
2075 continue;
2076 }
2078 SPItem *unlink = sp_use_unlink(SP_USE(use));
2079 unlinked = true;
2080 // Add ungrouped items to the new selection.
2081 new_select = g_slist_prepend(new_select, unlink);
2082 }
2084 if (new_select) { // set new selection
2085 selection->clear();
2086 selection->setList(new_select);
2087 g_slist_free(new_select);
2088 }
2089 if (!unlinked) {
2090 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No clones to unlink</b> in the selection."));
2091 }
2093 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNLINK_CLONE,
2094 _("Unlink clone"));
2095 }
2097 void
2098 sp_select_clone_original()
2099 {
2100 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2101 if (desktop == NULL)
2102 return;
2104 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2106 SPItem *item = selection->singleItem();
2108 const gchar *error = _("Select a <b>clone</b> to go to its original. Select a <b>linked offset</b> to go to its source. Select a <b>text on path</b> to go to the path. Select a <b>flowed text</b> to go to its frame.");
2110 // Check if other than two objects are selected
2111 if (g_slist_length((GSList *) selection->itemList()) != 1 || !item) {
2112 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2113 return;
2114 }
2116 SPItem *original = NULL;
2117 if (SP_IS_USE(item)) {
2118 original = sp_use_get_original (SP_USE(item));
2119 } else if (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) {
2120 original = sp_offset_get_source (SP_OFFSET(item));
2121 } else if (SP_IS_TEXT_TEXTPATH(item)) {
2122 original = sp_textpath_get_path_item (SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))));
2123 } else if (SP_IS_FLOWTEXT(item)) {
2124 original = SP_FLOWTEXT(item)->get_frame (NULL); // first frame only
2125 } else { // it's an object that we don't know what to do with
2126 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2127 return;
2128 }
2130 if (!original) {
2131 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>Cannot find</b> the object to select (orphaned clone, offset, textpath, flowed text?)"));
2132 return;
2133 }
2135 for (SPObject *o = original; o && !SP_IS_ROOT(o); o = SP_OBJECT_PARENT (o)) {
2136 if (SP_IS_DEFS (o)) {
2137 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("The object you're trying to select is <b>not visible</b> (it is in <defs>)"));
2138 return;
2139 }
2140 }
2142 if (original) {
2143 selection->clear();
2144 selection->set(original);
2145 if (SP_CYCLING == SP_CYCLE_FOCUS) {
2146 scroll_to_show_item(desktop, original);
2147 }
2148 }
2149 }
2151 void
2152 sp_selection_tile(bool apply)
2153 {
2154 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2155 if (desktop == NULL)
2156 return;
2158 SPDocument *document = sp_desktop_document(desktop);
2159 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(document);
2161 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2163 // check if something is selected
2164 if (selection->isEmpty()) {
2165 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to pattern."));
2166 return;
2167 }
2169 sp_document_ensure_up_to_date(document);
2170 NR::Rect r = selection->bounds();
2171 if (r.isEmpty()) {
2172 return;
2173 }
2175 // calculate the transform to be applied to objects to move them to 0,0
2176 NR::Point move_p = NR::Point(0, sp_document_height(document)) - (r.min() + NR::Point (0, r.extent(NR::Y)));
2177 move_p[NR::Y] = -move_p[NR::Y];
2178 NR::Matrix move = NR::Matrix (NR::translate (move_p));
2180 GSList *items = g_slist_copy((GSList *) selection->itemList());
2182 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2184 // bottommost object, after sorting
2185 SPObject *parent = SP_OBJECT_PARENT (items->data);
2187 NR::Matrix parent_transform = sp_item_i2root_affine(SP_ITEM(parent));
2189 // remember the position of the first item
2190 gint pos = SP_OBJECT_REPR (items->data)->position();
2192 // create a list of duplicates
2193 GSList *repr_copies = NULL;
2194 for (GSList *i = items; i != NULL; i = i->next) {
2195 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2196 repr_copies = g_slist_prepend (repr_copies, dup);
2197 }
2199 NR::Rect bounds(desktop->dt2doc(r.min()), desktop->dt2doc(r.max()));
2201 if (apply) {
2202 // delete objects so that their clones don't get alerted; this object will be restored shortly
2203 for (GSList *i = items; i != NULL; i = i->next) {
2204 SPObject *item = SP_OBJECT (i->data);
2205 item->deleteObject (false);
2206 }
2207 }
2209 // Hack: Temporarily set clone compensation to unmoved, so that we can move clone-originals
2210 // without disturbing clones.
2211 // See ActorAlign::on_button_click() in src/ui/dialog/align-and-distribute.cpp
2212 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2213 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2215 const gchar *pat_id = pattern_tile (repr_copies, bounds, document,
2216 NR::Matrix(NR::translate(desktop->dt2doc(NR::Point(r.min()[NR::X], r.max()[NR::Y])))) * parent_transform.inverse(), parent_transform * move);
2218 // restore compensation setting
2219 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
2221 if (apply) {
2222 Inkscape::XML::Node *rect = xml_doc->createElement("svg:rect");
2223 rect->setAttribute("style", g_strdup_printf("stroke:none;fill:url(#%s)", pat_id));
2225 NR::Point min = bounds.min() * parent_transform.inverse();
2226 NR::Point max = bounds.max() * parent_transform.inverse();
2228 sp_repr_set_svg_double(rect, "width", max[NR::X] - min[NR::X]);
2229 sp_repr_set_svg_double(rect, "height", max[NR::Y] - min[NR::Y]);
2230 sp_repr_set_svg_double(rect, "x", min[NR::X]);
2231 sp_repr_set_svg_double(rect, "y", min[NR::Y]);
2233 // restore parent and position
2234 SP_OBJECT_REPR (parent)->appendChild(rect);
2235 rect->setPosition(pos > 0 ? pos : 0);
2236 SPItem *rectangle = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(rect);
2238 Inkscape::GC::release(rect);
2240 selection->clear();
2241 selection->set(rectangle);
2242 }
2244 g_slist_free (items);
2246 sp_document_done (document, SP_VERB_EDIT_TILE,
2247 _("Objects to pattern"));
2248 }
2250 void
2251 sp_selection_untile()
2252 {
2253 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2254 if (desktop == NULL)
2255 return;
2257 SPDocument *document = sp_desktop_document(desktop);
2259 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2261 // check if something is selected
2262 if (selection->isEmpty()) {
2263 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object with pattern fill</b> to extract objects from."));
2264 return;
2265 }
2267 GSList *new_select = NULL;
2269 bool did = false;
2271 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2272 items != NULL;
2273 items = items->next) {
2275 SPItem *item = (SPItem *) items->data;
2277 SPStyle *style = SP_OBJECT_STYLE (item);
2279 if (!style || style->fill.type != SP_PAINT_TYPE_PAINTSERVER)
2280 continue;
2282 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
2284 if (!SP_IS_PATTERN(server))
2285 continue;
2287 did = true;
2289 SPPattern *pattern = pattern_getroot (SP_PATTERN (server));
2291 NR::Matrix pat_transform = pattern_patternTransform (SP_PATTERN (server));
2292 pat_transform *= item->transform;
2294 for (SPObject *child = sp_object_first_child(SP_OBJECT(pattern)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2295 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate();
2296 SPItem *i = SP_ITEM (desktop->currentLayer()->appendChildRepr(copy));
2298 // FIXME: relink clones to the new canvas objects
2299 // use SPObject::setid when mental finishes it to steal ids of
2301 // this is needed to make sure the new item has curve (simply requestDisplayUpdate does not work)
2302 sp_document_ensure_up_to_date (document);
2304 NR::Matrix transform( i->transform * pat_transform );
2305 sp_item_write_transform(i, SP_OBJECT_REPR(i), transform);
2307 new_select = g_slist_prepend(new_select, i);
2308 }
2310 SPCSSAttr *css = sp_repr_css_attr_new ();
2311 sp_repr_css_set_property (css, "fill", "none");
2312 sp_repr_css_change (SP_OBJECT_REPR (item), css, "style");
2313 }
2315 if (!did) {
2316 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No pattern fills</b> in the selection."));
2317 } else {
2318 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNTILE,
2319 _("Pattern to objects"));
2320 selection->setList(new_select);
2321 }
2322 }
2324 void
2325 sp_selection_get_export_hints (Inkscape::Selection *selection, const char **filename, float *xdpi, float *ydpi)
2326 {
2327 if (selection->isEmpty()) {
2328 return;
2329 }
2331 const GSList * reprlst = selection->reprList();
2332 bool filename_search = TRUE;
2333 bool xdpi_search = TRUE;
2334 bool ydpi_search = TRUE;
2336 for(; reprlst != NULL &&
2337 filename_search &&
2338 xdpi_search &&
2339 ydpi_search;
2340 reprlst = reprlst->next) {
2341 const gchar * dpi_string;
2342 Inkscape::XML::Node * repr = (Inkscape::XML::Node *)reprlst->data;
2344 if (filename_search) {
2345 *filename = repr->attribute("inkscape:export-filename");
2346 if (*filename != NULL)
2347 filename_search = FALSE;
2348 }
2350 if (xdpi_search) {
2351 dpi_string = NULL;
2352 dpi_string = repr->attribute("inkscape:export-xdpi");
2353 if (dpi_string != NULL) {
2354 *xdpi = atof(dpi_string);
2355 xdpi_search = FALSE;
2356 }
2357 }
2359 if (ydpi_search) {
2360 dpi_string = NULL;
2361 dpi_string = repr->attribute("inkscape:export-ydpi");
2362 if (dpi_string != NULL) {
2363 *ydpi = atof(dpi_string);
2364 ydpi_search = FALSE;
2365 }
2366 }
2367 }
2368 }
2370 void
2371 sp_document_get_export_hints (SPDocument * doc, const char **filename, float *xdpi, float *ydpi)
2372 {
2373 Inkscape::XML::Node * repr = sp_document_repr_root(doc);
2374 const gchar * dpi_string;
2376 *filename = repr->attribute("inkscape:export-filename");
2378 dpi_string = NULL;
2379 dpi_string = repr->attribute("inkscape:export-xdpi");
2380 if (dpi_string != NULL) {
2381 *xdpi = atof(dpi_string);
2382 }
2384 dpi_string = NULL;
2385 dpi_string = repr->attribute("inkscape:export-ydpi");
2386 if (dpi_string != NULL) {
2387 *ydpi = atof(dpi_string);
2388 }
2389 }
2391 void
2392 sp_selection_create_bitmap_copy ()
2393 {
2394 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2395 if (desktop == NULL)
2396 return;
2398 SPDocument *document = sp_desktop_document(desktop);
2399 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(document);
2401 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2403 // check if something is selected
2404 if (selection->isEmpty()) {
2405 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to make a bitmap copy."));
2406 return;
2407 }
2409 // Get the bounding box of the selection
2410 NRRect bbox;
2411 sp_document_ensure_up_to_date (document);
2412 selection->bounds(&bbox);
2413 if (NR_RECT_DFLS_TEST_EMPTY(&bbox)) {
2414 return; // exceptional situation, so not bother with a translatable error message, just quit quietly
2415 }
2417 // List of the items to show; all others will be hidden
2418 GSList *items = g_slist_copy ((GSList *) selection->itemList());
2420 // Sort items so that the topmost comes last
2421 items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);
2423 // Generate a random value from the current time (you may create bitmap from the same object(s)
2424 // multiple times, and this is done so that they don't clash)
2425 GTimeVal cu;
2426 g_get_current_time (&cu);
2427 guint current = (int) (cu.tv_sec * 1000000 + cu.tv_usec) % 1024;
2429 // Create the filename
2430 gchar *filename = g_strdup_printf ("%s-%s-%u.png", document->name, SP_OBJECT_REPR(items->data)->attribute("id"), current);
2431 // Imagemagick is known not to handle spaces in filenames, so we replace anything but letters,
2432 // digits, and a few other chars, with "_"
2433 filename = g_strcanon (filename, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.=+~$#@^&!?", '_');
2434 // Build the complete path by adding document->base if set
2435 gchar *filepath = g_build_filename (document->base?document->base:"", filename, NULL);
2437 //g_print ("%s\n", filepath);
2439 // Remember parent and z-order of the topmost one
2440 gint pos = SP_OBJECT_REPR(g_slist_last(items)->data)->position();
2441 SPObject *parent_object = SP_OBJECT_PARENT(g_slist_last(items)->data);
2442 Inkscape::XML::Node *parent = SP_OBJECT_REPR(parent_object);
2444 // Calculate resolution
2445 double res;
2446 int const prefs_res = prefs_get_int_attribute ("options.createbitmap", "resolution", 0);
2447 int const prefs_min = prefs_get_int_attribute ("options.createbitmap", "minsize", 0);
2448 if (0 < prefs_res) {
2449 // If it's given explicitly in prefs, take it
2450 res = prefs_res;
2451 } else if (0 < prefs_min) {
2452 // If minsize is given, look up minimum bitmap size (default 250 pixels) and calculate resolution from it
2453 res = PX_PER_IN * prefs_min / MIN ((bbox.x1 - bbox.x0), (bbox.y1 - bbox.y0));
2454 } else {
2455 float hint_xdpi = 0, hint_ydpi = 0;
2456 const char *hint_filename;
2457 // take resolution hint from the selected objects
2458 sp_selection_get_export_hints (selection, &hint_filename, &hint_xdpi, &hint_ydpi);
2459 if (hint_xdpi != 0) {
2460 res = hint_xdpi;
2461 } else {
2462 // take resolution hint from the document
2463 sp_document_get_export_hints (document, &hint_filename, &hint_xdpi, &hint_ydpi);
2464 if (hint_xdpi != 0) {
2465 res = hint_xdpi;
2466 } else {
2467 // if all else fails, take the default 90 dpi
2468 res = PX_PER_IN;
2469 }
2470 }
2471 }
2473 // The width and height of the bitmap in pixels
2474 unsigned width = (unsigned) floor ((bbox.x1 - bbox.x0) * res / PX_PER_IN);
2475 unsigned height =(unsigned) floor ((bbox.y1 - bbox.y0) * res / PX_PER_IN);
2477 // Find out if we have to run a filter
2478 const gchar *run = NULL;
2479 const gchar *filter = prefs_get_string_attribute ("options.createbitmap", "filter");
2480 if (filter) {
2481 // filter command is given;
2482 // see if we have a parameter to pass to it
2483 const gchar *param1 = prefs_get_string_attribute ("options.createbitmap", "filter_param1");
2484 if (param1) {
2485 if (param1[strlen(param1) - 1] == '%') {
2486 // if the param string ends with %, interpret it as a percentage of the image's max dimension
2487 gchar p1[256];
2488 g_ascii_dtostr (p1, 256, ceil (g_ascii_strtod (param1, NULL) * MAX(width, height) / 100));
2489 // the first param is always the image filename, the second is param1
2490 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, p1);
2491 } else {
2492 // otherwise pass the param1 unchanged
2493 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, param1);
2494 }
2495 } else {
2496 // run without extra parameter
2497 run = g_strdup_printf ("%s \"%s\"", filter, filepath);
2498 }
2499 }
2501 // Calculate the matrix that will be applied to the image so that it exactly overlaps the source objects
2502 NR::Matrix eek = sp_item_i2d_affine (SP_ITEM(parent_object));
2503 NR::Matrix t;
2504 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2505 t = NR::scale (1, -1) * NR::translate ((unsigned) (bbox.x0 + 0.5), (unsigned) (bbox.y1 + 0.5)) * eek.inverse();
2506 } else {
2507 t = NR::scale (1, -1) * NR::translate (bbox.x0, bbox.y1) * eek.inverse();
2508 }
2510 // Do the export
2511 sp_export_png_file(document, filepath,
2512 bbox.x0, bbox.y0, bbox.x1, bbox.y1,
2513 width, height, res, res,
2514 (guint32) 0xffffff00,
2515 NULL, NULL,
2516 true, /*bool force_overwrite,*/
2517 items);
2519 g_slist_free (items);
2521 // Run filter, if any
2522 if (run) {
2523 g_print ("Running external filter: %s\n", run);
2524 system (run);
2525 }
2527 // Import the image back
2528 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filepath, NULL);
2529 if (pb) {
2530 // Create the repr for the image
2531 Inkscape::XML::Node * repr = xml_doc->createElement("svg:image");
2532 repr->setAttribute("xlink:href", filename);
2533 repr->setAttribute("sodipodi:absref", filepath);
2534 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2535 sp_repr_set_svg_double(repr, "width", width);
2536 sp_repr_set_svg_double(repr, "height", height);
2537 } else {
2538 sp_repr_set_svg_double(repr, "width", (bbox.x1 - bbox.x0));
2539 sp_repr_set_svg_double(repr, "height", (bbox.y1 - bbox.y0));
2540 }
2542 // Write transform
2543 gchar c[256];
2544 if (sp_svg_transform_write(c, 256, t)) {
2545 repr->setAttribute("transform", c);
2546 }
2548 // add the new repr to the parent
2549 parent->appendChild(repr);
2551 // move to the saved position
2552 repr->setPosition(pos > 0 ? pos + 1 : 1);
2554 // Set selection to the new image
2555 selection->clear();
2556 selection->add(repr);
2558 // Clean up
2559 Inkscape::GC::release(repr);
2560 gdk_pixbuf_unref (pb);
2562 // Complete undoable transaction
2563 sp_document_done (document, SP_VERB_SELECTION_CREATE_BITMAP,
2564 _("Create bitmap"));
2565 }
2567 g_free (filename);
2568 g_free (filepath);
2569 }
2571 /**
2572 * \brief sp_selection_set_mask
2573 *
2574 * This function creates a mask or clipPath from selection
2575 * Two different modes:
2576 * if applyToLayer, all selection is moved to DEFS as mask/clippath
2577 * and is applied to current layer
2578 * otherwise, topmost object is used as mask for other objects
2579 * If \a apply_clip_path parameter is true, clipPath is created, otherwise mask
2580 *
2581 */
2582 void
2583 sp_selection_set_mask(bool apply_clip_path, bool apply_to_layer)
2584 {
2585 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2586 if (desktop == NULL)
2587 return;
2589 SPDocument *document = sp_desktop_document(desktop);
2591 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2593 // check if something is selected
2594 bool is_empty = selection->isEmpty();
2595 if ( apply_to_layer && is_empty) {
2596 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to create clippath or mask from."));
2597 return;
2598 } else if (!apply_to_layer && ( is_empty || NULL == selection->itemList()->next )) {
2599 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select mask object and <b>object(s)</b> to apply clippath or mask to."));
2600 return;
2601 }
2603 // FIXME: temporary patch to prevent crash!
2604 // Remove this when bboxes are fixed to not blow up on an item clipped/masked with its own clone
2605 bool clone_with_original = selection_contains_both_clone_and_original (selection);
2606 if (clone_with_original) {
2607 return; // in this version, you cannot clip/mask an object with its own clone
2608 }
2609 // /END FIXME
2611 sp_document_ensure_up_to_date(document);
2613 GSList *items = g_slist_copy((GSList *) selection->itemList());
2615 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2617 // create a list of duplicates
2618 GSList *mask_items = NULL;
2619 GSList *apply_to_items = NULL;
2620 GSList *items_to_delete = NULL;
2621 bool topmost = prefs_get_int_attribute ("options.maskobject", "topmost", 1);
2622 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2624 if (apply_to_layer) {
2625 // all selected items are used for mask, which is applied to a layer
2626 apply_to_items = g_slist_prepend (apply_to_items, desktop->currentLayer());
2628 for (GSList *i = items; i != NULL; i = i->next) {
2629 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2630 mask_items = g_slist_prepend (mask_items, dup);
2632 if (remove_original) {
2633 SPObject *item = SP_OBJECT (i->data);
2634 items_to_delete = g_slist_prepend (items_to_delete, item);
2635 }
2636 }
2637 } else if (!topmost) {
2638 // topmost item is used as a mask, which is applied to other items in a selection
2639 GSList *i = items;
2640 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2641 mask_items = g_slist_prepend (mask_items, dup);
2643 if (remove_original) {
2644 SPObject *item = SP_OBJECT (i->data);
2645 items_to_delete = g_slist_prepend (items_to_delete, item);
2646 }
2648 for (i = i->next; i != NULL; i = i->next) {
2649 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2650 }
2651 } else {
2652 GSList *i = NULL;
2653 for (i = items; NULL != i->next; i = i->next) {
2654 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2655 }
2657 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2658 mask_items = g_slist_prepend (mask_items, dup);
2660 if (remove_original) {
2661 SPObject *item = SP_OBJECT (i->data);
2662 items_to_delete = g_slist_prepend (items_to_delete, item);
2663 }
2664 }
2666 g_slist_free (items);
2667 items = NULL;
2669 gchar const* attributeName = apply_clip_path ? "clip-path" : "mask";
2670 for (GSList *i = apply_to_items; NULL != i; i = i->next) {
2671 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2672 // inverted object transform should be applied to a mask object,
2673 // as mask is calculated in user space (after applying transform)
2674 NR::Matrix maskTransform (item->transform.inverse());
2676 GSList *mask_items_dup = NULL;
2677 for (GSList *mask_item = mask_items; NULL != mask_item; mask_item = mask_item->next) {
2678 Inkscape::XML::Node *dup = reinterpret_cast<Inkscape::XML::Node *>(mask_item->data)->duplicate();
2679 mask_items_dup = g_slist_prepend (mask_items_dup, dup);
2680 }
2682 const gchar *mask_id = NULL;
2683 if (apply_clip_path) {
2684 mask_id = sp_clippath_create(mask_items_dup, document, &maskTransform);
2685 } else {
2686 mask_id = sp_mask_create(mask_items_dup, document, &maskTransform);
2687 }
2689 g_slist_free (mask_items_dup);
2690 mask_items_dup = NULL;
2692 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, g_strdup_printf("url(#%s)", mask_id));
2693 }
2695 g_slist_free (mask_items);
2696 g_slist_free (apply_to_items);
2698 for (GSList *i = items_to_delete; NULL != i; i = i->next) {
2699 SPObject *item = SP_OBJECT (i->data);
2700 item->deleteObject (false);
2701 }
2702 g_slist_free (items_to_delete);
2704 if (apply_clip_path)
2705 sp_document_done (document, SP_VERB_OBJECT_SET_CLIPPATH, _("Set clipping path"));
2706 else
2707 sp_document_done (document, SP_VERB_OBJECT_SET_MASK, _("Set mask"));
2708 }
2710 void sp_selection_unset_mask(bool apply_clip_path) {
2711 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2712 if (desktop == NULL)
2713 return;
2715 SPDocument *document = sp_desktop_document(desktop);
2716 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2718 // check if something is selected
2719 if (selection->isEmpty()) {
2720 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove clippath or mask from."));
2721 return;
2722 }
2724 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2725 sp_document_ensure_up_to_date(document);
2727 gchar const* attributeName = apply_clip_path ? "clip-path" : "mask";
2728 std::map<SPObject*,SPItem*> referenced_objects;
2729 for (GSList const*i = selection->itemList(); NULL != i; i = i->next) {
2730 if (remove_original) {
2731 // remember referenced mask/clippath, so orphaned masks can be moved back to document
2732 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2733 Inkscape::URIReference *uri_ref = NULL;
2735 if (apply_clip_path) {
2736 uri_ref = item->clip_ref;
2737 } else {
2738 uri_ref = item->mask_ref;
2739 }
2741 // collect distinct mask object (and associate with item to apply transform)
2742 if (NULL != uri_ref && NULL != uri_ref->getObject()) {
2743 referenced_objects[uri_ref->getObject()] = item;
2744 }
2745 }
2747 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, "none");
2748 }
2750 // restore mask objects into a document
2751 for ( std::map<SPObject*,SPItem*>::iterator it = referenced_objects.begin() ; it != referenced_objects.end() ; ++it) {
2752 SPObject *obj = (*it).first;
2753 GSList *items_to_move = NULL;
2754 for (SPObject *child = sp_object_first_child(obj) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2755 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate();
2756 items_to_move = g_slist_prepend (items_to_move, copy);
2757 }
2759 if (!obj->isReferenced()) {
2760 // delete from defs if no other object references this mask
2761 obj->deleteObject(false);
2762 }
2764 // remember parent and position of the item to which the clippath/mask was applied
2765 Inkscape::XML::Node *parent = SP_OBJECT_REPR((*it).second)->parent();
2766 gint pos = SP_OBJECT_REPR((*it).second)->position();
2768 for (GSList *i = items_to_move; NULL != i; i = i->next) {
2769 Inkscape::XML::Node *repr = (Inkscape::XML::Node *)i->data;
2771 // insert into parent, restore pos
2772 parent->appendChild(repr);
2773 repr->setPosition((pos + 1) > 0 ? (pos + 1) : 0);
2775 SPItem *mask_item = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(repr);
2776 selection->add(repr);
2778 // transform mask, so it is moved the same spot where mask was applied
2779 NR::Matrix transform (mask_item->transform);
2780 transform *= (*it).second->transform;
2781 sp_item_write_transform(mask_item, SP_OBJECT_REPR(mask_item), transform);
2782 }
2784 g_slist_free (items_to_move);
2785 }
2787 if (apply_clip_path)
2788 sp_document_done (document, SP_VERB_OBJECT_UNSET_CLIPPATH, _("Release clipping path"));
2789 else
2790 sp_document_done (document, SP_VERB_OBJECT_UNSET_MASK, _("Release mask"));
2791 }
2793 void fit_canvas_to_selection(SPDesktop *desktop) {
2794 g_return_if_fail(desktop != NULL);
2795 SPDocument *doc = sp_desktop_document(desktop);
2797 g_return_if_fail(doc != NULL);
2798 g_return_if_fail(desktop->selection != NULL);
2799 g_return_if_fail(!desktop->selection->isEmpty());
2800 NRRect bbox = {0,0,0,0};
2802 desktop->selection->bounds(&bbox);
2803 if (!empty(bbox)) {
2804 doc->fitToRect(bbox);
2805 }
2806 };
2808 void fit_canvas_to_drawing(SPDocument *doc) {
2809 g_return_if_fail(doc != NULL);
2810 NRRect bbox = {0,0,0,0};
2812 sp_document_ensure_up_to_date (doc);
2813 sp_item_invoke_bbox(SP_ITEM(doc->root), &bbox, sp_item_i2r_affine(SP_ITEM(doc->root)), TRUE);
2815 if (!empty(bbox)) {
2816 doc->fitToRect(bbox);
2817 }
2818 };
2820 void fit_canvas_to_selection_or_drawing(SPDesktop *desktop) {
2821 g_return_if_fail(desktop != NULL);
2822 SPDocument *doc = sp_desktop_document(desktop);
2824 g_return_if_fail(doc != NULL);
2825 g_return_if_fail(desktop->selection != NULL);
2827 if (desktop->selection->isEmpty()) {
2828 fit_canvas_to_drawing(doc);
2829 } else {
2830 fit_canvas_to_selection(desktop);
2831 }
2833 sp_document_done(doc, SP_VERB_FIT_CANVAS_TO_DRAWING,
2834 _("Fit page to selection"));
2835 };
2837 /*
2838 Local Variables:
2839 mode:c++
2840 c-file-style:"stroustrup"
2841 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
2842 indent-tabs-mode:nil
2843 fill-column:99
2844 End:
2845 */
2846 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :