1 #define __SP_SELECTION_CHEMISTRY_C__
3 /*
4 * Miscellanous operations on selected items
5 *
6 * Authors:
7 * Lauris Kaplinski <lauris@kaplinski.com>
8 * Frank Felfe <innerspace@iname.com>
9 * MenTaLguY <mental@rydia.net>
10 * bulia byak <buliabyak@users.sf.net>
11 * Andrius R. <knutux@gmail.com>
12 *
13 * Copyright (C) 1999-2006 authors
14 * Copyright (C) 2001-2002 Ximian, Inc.
15 *
16 * Released under GNU GPL, read the file 'COPYING' for more information
17 */
19 #ifdef HAVE_CONFIG_H
20 # include "config.h"
21 #endif
23 #include <gtkmm/clipboard.h>
25 #include "svg/svg.h"
26 #include "inkscape.h"
27 #include "desktop.h"
28 #include "desktop-style.h"
29 #include "selection.h"
30 #include "tools-switch.h"
31 #include "desktop-handles.h"
32 #include "message-stack.h"
33 #include "sp-item-transform.h"
34 #include "sp-marker.h"
35 #include "sp-use.h"
36 #include "sp-textpath.h"
37 #include "sp-tspan.h"
38 #include "sp-flowtext.h"
39 #include "sp-flowregion.h"
40 #include "text-editing.h"
41 #include "text-context.h"
42 #include "connector-context.h"
43 #include "sp-path.h"
44 #include "sp-conn-end.h"
45 #include "dropper-context.h"
46 #include <glibmm/i18n.h>
47 #include "libnr/nr-matrix-rotate-ops.h"
48 #include "libnr/nr-matrix-translate-ops.h"
49 #include "libnr/nr-rotate-fns.h"
50 #include "libnr/nr-scale-ops.h"
51 #include "libnr/nr-scale-translate-ops.h"
52 #include "libnr/nr-translate-matrix-ops.h"
53 #include "libnr/nr-translate-scale-ops.h"
54 #include "xml/repr.h"
55 #include "style.h"
56 #include "document-private.h"
57 #include "sp-gradient.h"
58 #include "sp-gradient-reference.h"
59 #include "sp-linear-gradient-fns.h"
60 #include "sp-pattern.h"
61 #include "sp-radial-gradient-fns.h"
62 #include "sp-namedview.h"
63 #include "prefs-utils.h"
64 #include "sp-offset.h"
65 #include "sp-clippath.h"
66 #include "sp-mask.h"
67 #include "file.h"
68 #include "helper/png-write.h"
69 #include "layer-fns.h"
70 #include "context-fns.h"
71 #include <map>
72 #include "helper/units.h"
73 #include "sp-item.h"
74 #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 void sp_selection_copy_one (Inkscape::XML::Node *repr, NR::Matrix full_t, GSList **clip)
89 {
90 Inkscape::XML::Node *copy = repr->duplicate();
92 // copy complete inherited style
93 SPCSSAttr *css = sp_repr_css_attr_inherited(repr, "style");
94 sp_repr_css_set(copy, css, "style");
95 sp_repr_css_attr_unref(css);
97 // write the complete accummulated transform passed to us
98 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
99 gchar affinestr[80];
100 if (sp_svg_transform_write(affinestr, 79, full_t)) {
101 copy->setAttribute("transform", affinestr);
102 } else {
103 copy->setAttribute("transform", NULL);
104 }
106 *clip = g_slist_prepend(*clip, copy);
107 }
109 void sp_selection_copy_impl (const GSList *items, GSList **clip, GSList **defs_clip, SPCSSAttr **style_clip)
110 {
112 // Copy stuff referenced by all items to defs_clip:
113 if (defs_clip) {
114 for (GSList *i = (GSList *) items; i != NULL; i = i->next) {
115 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (i->data), items);
116 }
117 *defs_clip = g_slist_reverse(*defs_clip);
118 }
120 // Store style:
121 if (style_clip) {
122 SPItem *item = SP_ITEM (items->data); // take from the first selected item
123 *style_clip = take_style_from_item (item);
124 }
126 if (clip) {
127 // Sort items:
128 GSList *sorted_items = g_slist_copy ((GSList *) items);
129 sorted_items = g_slist_sort((GSList *) sorted_items, (GCompareFunc) sp_object_compare_position);
131 // Copy item reprs:
132 for (GSList *i = (GSList *) sorted_items; i != NULL; i = i->next) {
133 sp_selection_copy_one (SP_OBJECT_REPR (i->data), sp_item_i2doc_affine(SP_ITEM (i->data)), clip);
134 }
136 *clip = g_slist_reverse(*clip);
137 g_slist_free ((GSList *) sorted_items);
138 }
139 }
141 /**
142 Add gradients/patterns/markers referenced by copied objects to defs
143 */
144 void
145 paste_defs (GSList **defs_clip, SPDocument *doc)
146 {
147 if (!defs_clip)
148 return;
150 for (GSList *gl = *defs_clip; gl != NULL; gl = gl->next) {
151 SPDefs *defs= (SPDefs *) SP_DOCUMENT_DEFS(doc);
152 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) gl->data;
153 gchar const *id = repr->attribute("id");
154 if (!id || !doc->getObjectById(id)) {
155 Inkscape::XML::Node *copy = repr->duplicate();
156 SP_OBJECT_REPR(defs)->addChild(copy, NULL);
157 Inkscape::GC::release(copy);
158 }
159 }
160 }
162 GSList *sp_selection_paste_impl (SPDocument *document, SPObject *parent, GSList **clip, GSList **defs_clip)
163 {
164 paste_defs (defs_clip, document);
166 GSList *copied = NULL;
167 // add objects to document
168 for (GSList *l = *clip; l != NULL; l = l->next) {
169 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
170 Inkscape::XML::Node *copy = repr->duplicate();
172 // premultiply the item transform by the accumulated parent transform in the paste layer
173 NR::Matrix local = sp_item_i2doc_affine(SP_ITEM(parent));
174 if (!local.test_identity()) {
175 gchar const *t_str = copy->attribute("transform");
176 NR::Matrix item_t (NR::identity());
177 if (t_str)
178 sp_svg_transform_read(t_str, &item_t);
179 item_t *= local.inverse();
180 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
181 gchar affinestr[80];
182 if (sp_svg_transform_write(affinestr, 79, item_t)) {
183 copy->setAttribute("transform", affinestr);
184 } else {
185 copy->setAttribute("transform", NULL);
186 }
187 }
189 parent->appendChildRepr(copy);
190 copied = g_slist_prepend(copied, copy);
191 Inkscape::GC::release(copy);
192 }
193 return copied;
194 }
196 void sp_selection_delete_impl(const GSList *items)
197 {
198 for (const GSList *i = items ; i ; i = i->next ) {
199 sp_object_ref((SPObject *)i->data, NULL);
200 }
201 for (const GSList *i = items; i != NULL; i = i->next) {
202 SPItem *item = (SPItem *) i->data;
203 SP_OBJECT(item)->deleteObject();
204 sp_object_unref((SPObject *)item, NULL);
205 }
206 }
209 void sp_selection_delete()
210 {
211 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
212 if (desktop == NULL) {
213 return;
214 }
216 if (tools_isactive (desktop, TOOLS_TEXT))
217 if (sp_text_delete_selection(desktop->event_context)) {
218 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_TEXT,
219 _("Delete text"));
220 return;
221 }
223 Inkscape::Selection *selection = sp_desktop_selection(desktop);
225 // check if something is selected
226 if (selection->isEmpty()) {
227 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Nothing</b> was deleted."));
228 return;
229 }
231 const GSList *selected = g_slist_copy(const_cast<GSList *>(selection->itemList()));
232 selection->clear();
233 sp_selection_delete_impl (selected);
234 g_slist_free ((GSList *) selected);
236 /* a tool may have set up private information in it's selection context
237 * that depends on desktop items. I think the only sane way to deal with
238 * this currently is to reset the current tool, which will reset it's
239 * associated selection context. For example: deleting an object
240 * while moving it around the canvas.
241 */
242 tools_switch ( desktop, tools_active ( desktop ) );
244 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DELETE,
245 _("Delete"));
246 }
248 /* fixme: sequencing */
249 void sp_selection_duplicate()
250 {
251 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
252 if (desktop == NULL)
253 return;
255 Inkscape::Selection *selection = sp_desktop_selection(desktop);
257 // check if something is selected
258 if (selection->isEmpty()) {
259 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to duplicate."));
260 return;
261 }
263 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
265 selection->clear();
267 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
268 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
270 GSList *newsel = NULL;
272 while (reprs) {
273 Inkscape::XML::Node *parent = ((Inkscape::XML::Node *) reprs->data)->parent();
274 Inkscape::XML::Node *copy = ((Inkscape::XML::Node *) reprs->data)->duplicate();
276 parent->appendChild(copy);
278 newsel = g_slist_prepend(newsel, copy);
279 reprs = g_slist_remove(reprs, reprs->data);
280 Inkscape::GC::release(copy);
281 }
283 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DUPLICATE,
284 _("Duplicate"));
286 selection->setReprList(newsel);
288 g_slist_free(newsel);
289 }
291 void sp_edit_clear_all()
292 {
293 SPDesktop *dt = SP_ACTIVE_DESKTOP;
294 if (!dt)
295 return;
297 SPDocument *doc = sp_desktop_document(dt);
298 sp_desktop_selection(dt)->clear();
300 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
301 GSList *items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
303 while (items) {
304 SP_OBJECT (items->data)->deleteObject();
305 items = g_slist_remove(items, items->data);
306 }
308 sp_document_done(doc, SP_VERB_EDIT_CLEAR_ALL,
309 _("Delete all"));
310 }
312 GSList *
313 get_all_items (GSList *list, SPObject *from, SPDesktop *desktop, bool onlyvisible, bool onlysensitive, const GSList *exclude)
314 {
315 for (SPObject *child = sp_object_first_child(SP_OBJECT(from)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
316 if (SP_IS_ITEM(child) &&
317 !desktop->isLayer(SP_ITEM(child)) &&
318 (!onlysensitive || !SP_ITEM(child)->isLocked()) &&
319 (!onlyvisible || !desktop->itemIsHidden(SP_ITEM(child))) &&
320 (!exclude || !g_slist_find ((GSList *) exclude, child))
321 )
322 {
323 list = g_slist_prepend (list, SP_ITEM(child));
324 }
326 if (SP_IS_ITEM(child) && desktop->isLayer(SP_ITEM(child))) {
327 list = get_all_items (list, child, desktop, onlyvisible, onlysensitive, exclude);
328 }
329 }
331 return list;
332 }
334 void sp_edit_select_all_full (bool force_all_layers, bool invert)
335 {
336 SPDesktop *dt = SP_ACTIVE_DESKTOP;
337 if (!dt)
338 return;
340 Inkscape::Selection *selection = sp_desktop_selection(dt);
342 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
344 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
345 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
346 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
348 GSList *items = NULL;
350 const GSList *exclude = NULL;
351 if (invert) {
352 exclude = selection->itemList();
353 }
355 if (force_all_layers)
356 inlayer = PREFS_SELECTION_ALL;
358 switch (inlayer) {
359 case PREFS_SELECTION_LAYER: {
360 if ( (onlysensitive && SP_ITEM(dt->currentLayer())->isLocked()) ||
361 (onlyvisible && dt->itemIsHidden(SP_ITEM(dt->currentLayer()))) )
362 return;
364 GSList *all_items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
366 for (GSList *i = all_items; i; i = i->next) {
367 SPItem *item = SP_ITEM (i->data);
369 if (item && (!onlysensitive || !item->isLocked())) {
370 if (!onlyvisible || !dt->itemIsHidden(item)) {
371 if (!dt->isLayer(item)) {
372 if (!invert || !g_slist_find ((GSList *) exclude, item)) {
373 items = g_slist_prepend (items, item); // leave it in the list
374 }
375 }
376 }
377 }
378 }
380 g_slist_free (all_items);
381 break;
382 }
383 case PREFS_SELECTION_LAYER_RECURSIVE: {
384 items = get_all_items (NULL, dt->currentLayer(), dt, onlyvisible, onlysensitive, exclude);
385 break;
386 }
387 default: {
388 items = get_all_items (NULL, dt->currentRoot(), dt, onlyvisible, onlysensitive, exclude);
389 break;
390 }
391 }
393 selection->setList (items);
395 if (items) {
396 g_slist_free (items);
397 }
398 }
400 void sp_edit_select_all ()
401 {
402 sp_edit_select_all_full (false, false);
403 }
405 void sp_edit_select_all_in_all_layers ()
406 {
407 sp_edit_select_all_full (true, false);
408 }
410 void sp_edit_invert ()
411 {
412 sp_edit_select_all_full (false, true);
413 }
415 void sp_edit_invert_in_all_layers ()
416 {
417 sp_edit_select_all_full (true, true);
418 }
420 void sp_selection_group()
421 {
422 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
423 if (desktop == NULL)
424 return;
426 SPDocument *document = sp_desktop_document (desktop);
428 Inkscape::Selection *selection = sp_desktop_selection(desktop);
430 // Check if something is selected.
431 if (selection->isEmpty()) {
432 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>two or more objects</b> to group."));
433 return;
434 }
436 GSList const *l = (GSList *) selection->reprList();
438 // Check if at least two objects are selected.
439 if (l->next == NULL) {
440 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>at least two objects</b> to group."));
441 return;
442 }
444 GSList *p = g_slist_copy((GSList *) l);
446 selection->clear();
448 p = g_slist_sort(p, (GCompareFunc) sp_repr_compare_position);
450 // Remember the position and parent of the topmost object.
451 gint topmost = ((Inkscape::XML::Node *) g_slist_last(p)->data)->position();
452 Inkscape::XML::Node *topmost_parent = ((Inkscape::XML::Node *) g_slist_last(p)->data)->parent();
454 Inkscape::XML::Node *group = sp_repr_new("svg:g");
456 while (p) {
457 Inkscape::XML::Node *current = (Inkscape::XML::Node *) p->data;
459 if (current->parent() == topmost_parent) {
460 Inkscape::XML::Node *spnew = current->duplicate();
461 sp_repr_unparent(current);
462 group->appendChild(spnew);
463 Inkscape::GC::release(spnew);
464 topmost --; // only reduce count for those items deleted from topmost_parent
465 } else { // move it to topmost_parent first
466 GSList *temp_clip = NULL;
468 // At this point, current may already have no item, due to its being a clone whose original is already moved away
469 // So we copy it artificially calculating the transform from its repr->attr("transform") and the parent transform
470 gchar const *t_str = current->attribute("transform");
471 NR::Matrix item_t (NR::identity());
472 if (t_str)
473 sp_svg_transform_read(t_str, &item_t);
474 item_t *= sp_item_i2doc_affine(SP_ITEM(document->getObjectByRepr(current->parent())));
475 //FIXME: when moving both clone and original from a transformed group (either by
476 //grouping into another parent, or by cut/paste) the transform from the original's
477 //parent becomes embedded into original itself, and this affects its clones. Fix
478 //this by remembering the transform diffs we write to each item into an array and
479 //then, if this is clone, looking up its original in that array and pre-multiplying
480 //it by the inverse of that original's transform diff.
482 sp_selection_copy_one (current, item_t, &temp_clip);
483 sp_repr_unparent(current);
485 // paste into topmost_parent (temporarily)
486 GSList *copied = sp_selection_paste_impl (document, document->getObjectByRepr(topmost_parent), &temp_clip, NULL);
487 if (temp_clip) g_slist_free (temp_clip);
488 if (copied) { // if success,
489 // take pasted object (now in topmost_parent)
490 Inkscape::XML::Node *in_topmost = (Inkscape::XML::Node *) copied->data;
491 // make a copy
492 Inkscape::XML::Node *spnew = in_topmost->duplicate();
493 // remove pasted
494 sp_repr_unparent(in_topmost);
495 // put its copy into group
496 group->appendChild(spnew);
497 Inkscape::GC::release(spnew);
498 g_slist_free (copied);
499 }
500 }
501 p = g_slist_remove(p, current);
502 }
504 // Add the new group to the topmost members' parent
505 topmost_parent->appendChild(group);
507 // Move to the position of the topmost, reduced by the number of items deleted from topmost_parent
508 group->setPosition(topmost + 1);
510 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_GROUP,
511 _("Group"));
513 selection->set(group);
514 Inkscape::GC::release(group);
515 }
517 void sp_selection_ungroup()
518 {
519 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
520 if (desktop == NULL)
521 return;
523 Inkscape::Selection *selection = sp_desktop_selection(desktop);
525 if (selection->isEmpty()) {
526 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>group</b> to ungroup."));
527 return;
528 }
530 GSList *items = g_slist_copy((GSList *) selection->itemList());
531 selection->clear();
533 // Get a copy of current selection.
534 GSList *new_select = NULL;
535 bool ungrouped = false;
536 for (GSList *i = items;
537 i != NULL;
538 i = i->next)
539 {
540 SPItem *group = (SPItem *) i->data;
542 // when ungrouping cloned groups with their originals, some objects that were selected may no more exist due to unlinking
543 if (!SP_IS_OBJECT(group)) {
544 continue;
545 }
547 /* We do not allow ungrouping <svg> etc. (lauris) */
548 if (strcmp(SP_OBJECT_REPR(group)->name(), "svg:g") && strcmp(SP_OBJECT_REPR(group)->name(), "svg:switch")) {
549 // keep the non-group item in the new selection
550 selection->add(group);
551 continue;
552 }
554 GSList *children = NULL;
555 /* This is not strictly required, but is nicer to rely on group ::destroy (lauris) */
556 sp_item_group_ungroup(SP_GROUP(group), &children, false);
557 ungrouped = true;
558 // Add ungrouped items to the new selection.
559 new_select = g_slist_concat(new_select, children);
560 }
562 if (new_select) { // Set new selection.
563 selection->addList(new_select);
564 g_slist_free(new_select);
565 }
566 if (!ungrouped) {
567 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No groups</b> to ungroup in the selection."));
568 }
570 g_slist_free(items);
572 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_UNGROUP,
573 _("Ungroup"));
574 }
576 static SPGroup *
577 sp_item_list_common_parent_group(const GSList *items)
578 {
579 if (!items) {
580 return NULL;
581 }
582 SPObject *parent = SP_OBJECT_PARENT(items->data);
583 /* Strictly speaking this CAN happen, if user selects <svg> from XML editor */
584 if (!SP_IS_GROUP(parent)) {
585 return NULL;
586 }
587 for (items = items->next; items; items = items->next) {
588 if (SP_OBJECT_PARENT(items->data) != parent) {
589 return NULL;
590 }
591 }
593 return SP_GROUP(parent);
594 }
596 /** Finds out the minimum common bbox of the selected items
597 */
598 NR::Rect
599 enclose_items(const GSList *items)
600 {
601 g_assert(items != NULL);
603 NR::Rect r = sp_item_bbox_desktop((SPItem *) items->data);
605 for (GSList *i = items->next; i; i = i->next) {
606 r = NR::Rect::union_bounds(r, sp_item_bbox_desktop((SPItem *) i->data));
607 }
609 return r;
610 }
612 SPObject *
613 prev_sibling(SPObject *child)
614 {
615 SPObject *parent = SP_OBJECT_PARENT(child);
616 if (!SP_IS_GROUP(parent)) {
617 return NULL;
618 }
619 for ( SPObject *i = sp_object_first_child(parent) ; i; i = SP_OBJECT_NEXT(i) ) {
620 if (i->next == child)
621 return i;
622 }
623 return NULL;
624 }
626 void
627 sp_selection_raise()
628 {
629 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
630 if (!desktop)
631 return;
633 Inkscape::Selection *selection = sp_desktop_selection(desktop);
635 GSList const *items = (GSList *) selection->itemList();
636 if (!items) {
637 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise."));
638 return;
639 }
641 SPGroup const *group = sp_item_list_common_parent_group(items);
642 if (!group) {
643 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
644 return;
645 }
647 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
649 /* construct reverse-ordered list of selected children */
650 GSList *rev = g_slist_copy((GSList *) items);
651 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
653 // find out the common bbox of the selected items
654 NR::Rect selected = enclose_items(items);
656 // for all objects in the selection (starting from top)
657 while (rev) {
658 SPObject *child = SP_OBJECT(rev->data);
659 // for each selected object, find the next sibling
660 for (SPObject *newref = child->next; newref; newref = newref->next) {
661 // if the sibling is an item AND overlaps our selection,
662 if (SP_IS_ITEM(newref) && selected.intersects(sp_item_bbox_desktop(SP_ITEM(newref)))) {
663 // AND if it's not one of our selected objects,
664 if (!g_slist_find((GSList *) items, newref)) {
665 // move the selected object after that sibling
666 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(newref));
667 }
668 break;
669 }
670 }
671 rev = g_slist_remove(rev, child);
672 }
674 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_RAISE,
675 _("Raise"));
676 }
678 void sp_selection_raise_to_top()
679 {
680 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
681 if (desktop == NULL)
682 return;
684 SPDocument *document = sp_desktop_document(desktop);
685 Inkscape::Selection *selection = sp_desktop_selection(desktop);
687 if (selection->isEmpty()) {
688 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise to top."));
689 return;
690 }
692 GSList const *items = (GSList *) selection->itemList();
694 SPGroup const *group = sp_item_list_common_parent_group(items);
695 if (!group) {
696 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
697 return;
698 }
700 GSList *rl = g_slist_copy((GSList *) selection->reprList());
701 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
703 for (GSList *l = rl; l != NULL; l = l->next) {
704 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
705 repr->setPosition(-1);
706 }
708 g_slist_free(rl);
710 sp_document_done(document, SP_VERB_SELECTION_TO_FRONT,
711 _("Raise to top"));
712 }
714 void
715 sp_selection_lower()
716 {
717 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
718 if (desktop == NULL)
719 return;
721 Inkscape::Selection *selection = sp_desktop_selection(desktop);
723 GSList const *items = (GSList *) selection->itemList();
724 if (!items) {
725 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower."));
726 return;
727 }
729 SPGroup const *group = sp_item_list_common_parent_group(items);
730 if (!group) {
731 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
732 return;
733 }
735 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
737 // find out the common bbox of the selected items
738 NR::Rect selected = enclose_items(items);
740 /* construct direct-ordered list of selected children */
741 GSList *rev = g_slist_copy((GSList *) items);
742 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
743 rev = g_slist_reverse(rev);
745 // for all objects in the selection (starting from top)
746 while (rev) {
747 SPObject *child = SP_OBJECT(rev->data);
748 // for each selected object, find the prev sibling
749 for (SPObject *newref = prev_sibling(child); newref; newref = prev_sibling(newref)) {
750 // if the sibling is an item AND overlaps our selection,
751 if (SP_IS_ITEM(newref) && selected.intersects(sp_item_bbox_desktop(SP_ITEM(newref)))) {
752 // AND if it's not one of our selected objects,
753 if (!g_slist_find((GSList *) items, newref)) {
754 // move the selected object before that sibling
755 SPObject *put_after = prev_sibling(newref);
756 if (put_after)
757 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(put_after));
758 else
759 SP_OBJECT_REPR(child)->setPosition(0);
760 }
761 break;
762 }
763 }
764 rev = g_slist_remove(rev, child);
765 }
767 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_LOWER,
768 _("Lower"));
770 }
772 void sp_selection_lower_to_bottom()
773 {
774 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
775 if (desktop == NULL)
776 return;
778 SPDocument *document = sp_desktop_document(desktop);
779 Inkscape::Selection *selection = sp_desktop_selection(desktop);
781 if (selection->isEmpty()) {
782 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower to bottom."));
783 return;
784 }
786 GSList const *items = (GSList *) selection->itemList();
788 SPGroup const *group = sp_item_list_common_parent_group(items);
789 if (!group) {
790 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
791 return;
792 }
794 GSList *rl;
795 rl = g_slist_copy((GSList *) selection->reprList());
796 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
797 rl = g_slist_reverse(rl);
799 for (GSList *l = rl; l != NULL; l = l->next) {
800 gint minpos;
801 SPObject *pp, *pc;
802 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
803 pp = document->getObjectByRepr(sp_repr_parent(repr));
804 minpos = 0;
805 g_assert(SP_IS_GROUP(pp));
806 pc = sp_object_first_child(pp);
807 while (!SP_IS_ITEM(pc)) {
808 minpos += 1;
809 pc = pc->next;
810 }
811 repr->setPosition(minpos);
812 }
814 g_slist_free(rl);
816 sp_document_done(document, SP_VERB_SELECTION_TO_BACK,
817 _("Lower to bottom"));
818 }
820 void
821 sp_undo(SPDesktop *desktop, SPDocument *)
822 {
823 if (!sp_document_undo(sp_desktop_document(desktop)))
824 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to undo."));
825 }
827 void
828 sp_redo(SPDesktop *desktop, SPDocument *)
829 {
830 if (!sp_document_redo(sp_desktop_document(desktop)))
831 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to redo."));
832 }
834 void sp_selection_cut()
835 {
836 sp_selection_copy();
837 sp_selection_delete();
838 }
840 void sp_copy_gradient (GSList **defs_clip, SPGradient *gradient)
841 {
842 SPGradient *ref = gradient;
844 while (ref) {
845 // climb up the refs, copying each one in the chain
846 Inkscape::XML::Node *grad_repr = SP_OBJECT_REPR(ref)->duplicate();
847 *defs_clip = g_slist_prepend (*defs_clip, grad_repr);
849 ref = ref->ref->getObject();
850 }
851 }
853 void sp_copy_pattern (GSList **defs_clip, SPPattern *pattern)
854 {
855 SPPattern *ref = pattern;
857 while (ref) {
858 // climb up the refs, copying each one in the chain
859 Inkscape::XML::Node *pattern_repr = SP_OBJECT_REPR(ref)->duplicate();
860 *defs_clip = g_slist_prepend (*defs_clip, pattern_repr);
862 // items in the pattern may also use gradients and other patterns, so we need to recurse here as well
863 for (SPObject *child = sp_object_first_child(SP_OBJECT(ref)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
864 if (!SP_IS_ITEM (child))
865 continue;
866 sp_copy_stuff_used_by_item (defs_clip, (SPItem *) child, NULL);
867 }
869 ref = ref->ref->getObject();
870 }
871 }
873 void sp_copy_single (GSList **defs_clip, SPObject *thing)
874 {
875 Inkscape::XML::Node *duplicate_repr = SP_OBJECT_REPR(thing)->duplicate();
876 *defs_clip = g_slist_prepend (*defs_clip, duplicate_repr);
877 }
880 void sp_copy_textpath_path (GSList **defs_clip, SPTextPath *tp, const GSList *items)
881 {
882 SPItem *path = sp_textpath_get_path_item (tp);
883 if (!path)
884 return;
885 if (items && g_slist_find ((GSList *) items, path)) // do not copy it to defs if it is already in the list of items copied
886 return;
887 Inkscape::XML::Node *repr = SP_OBJECT_REPR(path)->duplicate();
888 *defs_clip = g_slist_prepend (*defs_clip, repr);
889 }
891 void sp_copy_stuff_used_by_item (GSList **defs_clip, SPItem *item, const GSList *items)
892 {
893 SPStyle *style = SP_OBJECT_STYLE (item);
895 if (style && (style->fill.type == SP_PAINT_TYPE_PAINTSERVER)) {
896 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
897 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
898 sp_copy_gradient (defs_clip, SP_GRADIENT(server));
899 if (SP_IS_PATTERN (server))
900 sp_copy_pattern (defs_clip, SP_PATTERN(server));
901 }
903 if (style && (style->stroke.type == SP_PAINT_TYPE_PAINTSERVER)) {
904 SPObject *server = SP_OBJECT_STYLE_STROKE_SERVER(item);
905 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
906 sp_copy_gradient (defs_clip, SP_GRADIENT(server));
907 if (SP_IS_PATTERN (server))
908 sp_copy_pattern (defs_clip, SP_PATTERN(server));
909 }
911 if (SP_IS_SHAPE (item)) {
912 SPShape *shape = SP_SHAPE (item);
913 for (int i = 0 ; i < SP_MARKER_LOC_QTY ; i++) {
914 if (shape->marker[i]) {
915 sp_copy_single (defs_clip, SP_OBJECT (shape->marker[i]));
916 }
917 }
918 }
920 if (SP_IS_TEXT_TEXTPATH (item)) {
921 sp_copy_textpath_path (defs_clip, SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))), items);
922 }
924 if (item->clip_ref->getObject()) {
925 sp_copy_single (defs_clip, item->clip_ref->getObject());
926 }
928 if (item->mask_ref->getObject()) {
929 SPObject *mask = item->mask_ref->getObject();
930 sp_copy_single (defs_clip, mask);
931 // recurse into the mask for its gradients etc.
932 for (SPObject *o = SP_OBJECT(mask)->children; o != NULL; o = o->next) {
933 if (SP_IS_ITEM(o))
934 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items);
935 }
936 }
938 if (style->filter.filter) {
939 SPObject *filter = style->filter.filter;
940 if (SP_IS_FILTER(filter)) {
941 sp_copy_single (defs_clip, filter);
942 }
943 }
945 // recurse
946 for (SPObject *o = SP_OBJECT(item)->children; o != NULL; o = o->next) {
947 if (SP_IS_ITEM(o))
948 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items);
949 }
950 }
952 /**
953 * \pre item != NULL
954 */
955 SPCSSAttr *
956 take_style_from_item (SPItem *item)
957 {
958 // write the complete cascaded style, context-free
959 SPCSSAttr *css = sp_css_attr_from_object (SP_OBJECT(item), SP_STYLE_FLAG_ALWAYS);
960 if (css == NULL)
961 return NULL;
963 if ((SP_IS_GROUP(item) && SP_OBJECT(item)->children) ||
964 (SP_IS_TEXT (item) && SP_OBJECT(item)->children && SP_OBJECT(item)->children->next == NULL)) {
965 // if this is a text with exactly one tspan child, merge the style of that tspan as well
966 // If this is a group, merge the style of its topmost (last) child with style
967 for (SPObject *last_element = item->lastChild(); last_element != NULL; last_element = SP_OBJECT_PREV (last_element)) {
968 if (SP_OBJECT_STYLE (last_element) != NULL) {
969 SPCSSAttr *temp = sp_css_attr_from_object (last_element, SP_STYLE_FLAG_IFSET);
970 if (temp) {
971 sp_repr_css_merge (css, temp);
972 sp_repr_css_attr_unref (temp);
973 }
974 break;
975 }
976 }
977 }
978 if (!(SP_IS_TEXT (item) || SP_IS_TSPAN (item) || SP_IS_STRING (item))) {
979 // do not copy text properties from non-text objects, it's confusing
980 css = sp_css_attr_unset_text (css);
981 }
983 // FIXME: also transform gradient/pattern fills, by forking? NO, this must be nondestructive
984 double ex = NR::expansion(sp_item_i2doc_affine(item));
985 if (ex != 1.0) {
986 css = sp_css_attr_scale (css, ex);
987 }
989 return css;
990 }
993 void sp_selection_copy()
994 {
995 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
996 if (desktop == NULL)
997 return;
999 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1001 if (tools_isactive (desktop, TOOLS_DROPPER)) {
1002 sp_dropper_context_copy(desktop->event_context);
1003 return; // copied color under cursor, nothing else to do
1004 }
1006 // check if something is selected
1007 if (selection->isEmpty()) {
1008 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing was copied."));
1009 return;
1010 }
1012 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1014 // 0. Copy text to system clipboard
1015 // FIXME: for non-texts, put serialized XML as text to the clipboard;
1016 //for this sp_repr_write_stream needs to be rewritten with iostream instead of FILE
1017 Glib::ustring text;
1018 if (tools_isactive (desktop, TOOLS_TEXT)) {
1019 text = sp_text_get_selected_text(desktop->event_context);
1020 }
1022 if (text.empty()) {
1023 guint texts = 0;
1024 for (GSList *i = (GSList *) items; i; i = i->next) {
1025 SPItem *item = SP_ITEM (i->data);
1026 if (SP_IS_TEXT (item) || SP_IS_FLOWTEXT(item)) {
1027 if (texts > 0) // if more than one text object is copied, separate them by spaces
1028 text += " ";
1029 gchar *this_text = sp_te_get_string_multiline (item);
1030 if (this_text) {
1031 text += this_text;
1032 g_free(this_text);
1033 }
1034 texts++;
1035 }
1036 }
1037 }
1038 if (!text.empty()) {
1039 Glib::RefPtr<Gtk::Clipboard> refClipboard = Gtk::Clipboard::get();
1040 refClipboard->set_text(text);
1041 }
1043 // clear old defs clipboard
1044 while (defs_clipboard) {
1045 Inkscape::GC::release((Inkscape::XML::Node *) defs_clipboard->data);
1046 defs_clipboard = g_slist_remove (defs_clipboard, defs_clipboard->data);
1047 }
1049 // clear style clipboard
1050 if (style_clipboard) {
1051 sp_repr_css_attr_unref (style_clipboard);
1052 style_clipboard = NULL;
1053 }
1055 //clear main clipboard
1056 while (clipboard) {
1057 Inkscape::GC::release((Inkscape::XML::Node *) clipboard->data);
1058 clipboard = g_slist_remove(clipboard, clipboard->data);
1059 }
1061 sp_selection_copy_impl (items, &clipboard, &defs_clipboard, &style_clipboard);
1063 if (tools_isactive (desktop, TOOLS_TEXT)) { // take style from cursor/text selection, overwriting the style just set by copy_impl
1064 SPStyle *const query = sp_style_new();
1065 if (sp_desktop_query_style_all (desktop, query)) {
1066 SPCSSAttr *css = sp_css_attr_from_style (query, SP_STYLE_FLAG_ALWAYS);
1067 if (css != NULL) {
1068 // clear style clipboard
1069 if (style_clipboard) {
1070 sp_repr_css_attr_unref (style_clipboard);
1071 style_clipboard = NULL;
1072 }
1073 //sp_repr_css_print (css);
1074 style_clipboard = css;
1075 }
1076 }
1077 g_free (query);
1078 }
1080 size_clipboard = selection->bounds();
1082 g_slist_free ((GSList *) items);
1083 }
1085 void sp_selection_paste(bool in_place)
1086 {
1087 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1089 if (desktop == NULL) {
1090 return;
1091 }
1093 SPDocument *document = sp_desktop_document(desktop);
1095 if (Inkscape::have_viable_layer(desktop, desktop->messageStack()) == false) {
1096 return;
1097 }
1099 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1101 if (tools_isactive (desktop, TOOLS_TEXT)) {
1102 if (sp_text_paste_inline(desktop->event_context))
1103 return; // pasted from system clipboard into text, nothing else to do
1104 }
1106 // check if something is in the clipboard
1107 if (clipboard == NULL) {
1108 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1109 return;
1110 }
1112 GSList *copied = sp_selection_paste_impl(document, desktop->currentLayer(), &clipboard, &defs_clipboard);
1113 // add pasted objects to selection
1114 selection->setReprList((GSList const *) copied);
1115 g_slist_free (copied);
1117 if (!in_place) {
1118 sp_document_ensure_up_to_date(document);
1120 NR::Point m( desktop->point() - selection->bounds().midpoint() );
1122 /* Snap the offset of the new item(s) to the grid */
1123 /* FIXME: this gridsnap fiddling is a hack. */
1124 Inkscape::GridSnapper &s = desktop->namedview->snap_manager.grid;
1125 gdouble const curr_gridsnap = s.getDistance();
1126 s.setDistance(NR_HUGE);
1127 m = s.freeSnap(Inkscape::Snapper::SNAP_POINT, m, NULL).getPoint();
1128 s.setDistance(curr_gridsnap);
1129 sp_selection_move_relative(selection, m);
1130 }
1132 sp_document_done(document, SP_VERB_EDIT_PASTE,
1133 _("Paste"));
1134 }
1136 void sp_selection_paste_style()
1137 {
1138 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1139 if (desktop == NULL) return;
1141 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1143 // check if something is in the clipboard
1144 if (clipboard == NULL) {
1145 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1146 return;
1147 }
1149 // check if something is selected
1150 if (selection->isEmpty()) {
1151 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste style to."));
1152 return;
1153 }
1155 paste_defs (&defs_clipboard, sp_desktop_document(desktop));
1157 sp_desktop_set_style (desktop, style_clipboard);
1159 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_STYLE,
1160 _("Paste style"));
1161 }
1163 void sp_selection_paste_size (bool apply_x, bool apply_y)
1164 {
1165 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1166 if (desktop == NULL) return;
1168 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1170 // check if something is in the clipboard
1171 if (size_clipboard.extent(NR::X) < 1e-6 || size_clipboard.extent(NR::Y) < 1e-6) {
1172 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1173 return;
1174 }
1176 // check if something is selected
1177 if (selection->isEmpty()) {
1178 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
1179 return;
1180 }
1182 NR::Rect current = selection->bounds();
1183 if (current.extent(NR::X) < 1e-6 || current.extent(NR::Y) < 1e-6) {
1184 return;
1185 }
1187 double scale_x = size_clipboard.extent(NR::X) / current.extent(NR::X);
1188 double scale_y = size_clipboard.extent(NR::Y) / current.extent(NR::Y);
1190 sp_selection_scale_relative (selection, current.midpoint(),
1191 NR::scale(
1192 apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
1193 apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
1195 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_SIZE,
1196 _("Paste size"));
1197 }
1199 void sp_selection_paste_size_separately (bool apply_x, bool apply_y)
1200 {
1201 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1202 if (desktop == NULL) return;
1204 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1206 // check if something is in the clipboard
1207 if (size_clipboard.extent(NR::X) < 1e-6 || size_clipboard.extent(NR::Y) < 1e-6) {
1208 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1209 return;
1210 }
1212 // check if something is selected
1213 if (selection->isEmpty()) {
1214 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
1215 return;
1216 }
1218 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1219 SPItem *item = SP_ITEM(l->data);
1221 NR::Rect current = sp_item_bbox_desktop(item);
1222 if (current.extent(NR::X) < 1e-6 || current.extent(NR::Y) < 1e-6) {
1223 continue;
1224 }
1226 double scale_x = size_clipboard.extent(NR::X) / current.extent(NR::X);
1227 double scale_y = size_clipboard.extent(NR::Y) / current.extent(NR::Y);
1229 sp_item_scale_rel (item,
1230 NR::scale(
1231 apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
1232 apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
1234 }
1236 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_SIZE_SEPARATELY,
1237 _("Paste size separately"));
1238 }
1240 void sp_selection_to_next_layer ()
1241 {
1242 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1244 Inkscape::Selection *selection = sp_desktop_selection(dt);
1246 // check if something is selected
1247 if (selection->isEmpty()) {
1248 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer above."));
1249 return;
1250 }
1252 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1254 bool no_more = false; // Set to true, if no more layers above
1255 SPObject *next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer());
1256 if (next) {
1257 GSList *temp_clip = NULL;
1258 sp_selection_copy_impl (items, &temp_clip, NULL, NULL); // we're in the same doc, so no need to copy defs
1259 sp_selection_delete_impl (items);
1260 next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1261 GSList *copied;
1262 if(next) {
1263 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
1264 } else {
1265 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
1266 no_more = true;
1267 }
1268 selection->setReprList((GSList const *) copied);
1269 g_slist_free (copied);
1270 if (temp_clip) g_slist_free (temp_clip);
1271 if (next) dt->setCurrentLayer(next);
1272 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_NEXT,
1273 _("Raise to next layer"));
1274 } else {
1275 no_more = true;
1276 }
1278 if (no_more) {
1279 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers above."));
1280 }
1282 g_slist_free ((GSList *) items);
1283 }
1285 void sp_selection_to_prev_layer ()
1286 {
1287 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1289 Inkscape::Selection *selection = sp_desktop_selection(dt);
1291 // check if something is selected
1292 if (selection->isEmpty()) {
1293 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer below."));
1294 return;
1295 }
1297 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1299 bool no_more = false; // Set to true, if no more layers below
1300 SPObject *next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer());
1301 if (next) {
1302 GSList *temp_clip = NULL;
1303 sp_selection_copy_impl (items, &temp_clip, NULL, NULL); // we're in the same doc, so no need to copy defs
1304 sp_selection_delete_impl (items);
1305 next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1306 GSList *copied;
1307 if(next) {
1308 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
1309 } else {
1310 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
1311 no_more = true;
1312 }
1313 selection->setReprList((GSList const *) copied);
1314 g_slist_free (copied);
1315 if (temp_clip) g_slist_free (temp_clip);
1316 if (next) dt->setCurrentLayer(next);
1317 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_PREV,
1318 _("Lower to previous layer"));
1319 } else {
1320 no_more = true;
1321 }
1323 if (no_more) {
1324 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers below."));
1325 }
1327 g_slist_free ((GSList *) items);
1328 }
1330 /** Apply matrix to the selection. \a set_i2d is normally true, which means objects are in the
1331 original transform, synced with their reprs, and need to jump to the new transform in one go. A
1332 value of set_i2d==false is only used by seltrans when it's dragging objects live (not outlines); in
1333 that case, items are already in the new position, but the repr is in the old, and this function
1334 then simply updates the repr from item->transform.
1335 */
1336 void sp_selection_apply_affine(Inkscape::Selection *selection, NR::Matrix const &affine, bool set_i2d)
1337 {
1338 if (selection->isEmpty())
1339 return;
1341 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1342 SPItem *item = SP_ITEM(l->data);
1344 NR::Point old_center(0,0);
1345 if (set_i2d && item->isCenterSet())
1346 old_center = item->getCenter();
1348 #if 0 /* Re-enable this once persistent guides have a graphical indication.
1349 At the time of writing, this is the only place to re-enable. */
1350 sp_item_update_cns(*item, selection->desktop());
1351 #endif
1353 // we're moving both a clone and its original
1354 bool transform_clone_with_original = (SP_IS_USE(item) && selection->includes( sp_use_get_original (SP_USE(item)) ));
1355 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)))) ));
1356 bool transform_flowtext_with_frame = (SP_IS_FLOWTEXT(item) && selection->includes( SP_FLOWTEXT(item)->get_frame (NULL))); // only the first frame so far
1357 bool transform_offset_with_source = (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) && selection->includes( sp_offset_get_source (SP_OFFSET(item)) );
1359 // If we're moving a connector, we want to detach it
1360 // from shapes that aren't part of the selection, but
1361 // leave it attached if they are
1362 if (cc_item_is_connector(item)) {
1363 SPItem *attItem[2];
1364 SP_PATH(item)->connEndPair.getAttachedItems(attItem);
1366 for (int n = 0; n < 2; ++n) {
1367 if (!selection->includes(attItem[n])) {
1368 sp_conn_end_detach(item, n);
1369 }
1370 }
1371 }
1373 // "clones are unmoved when original is moved" preference
1374 int compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
1375 bool prefs_unmoved = (compensation == SP_CLONE_COMPENSATION_UNMOVED);
1376 bool prefs_parallel = (compensation == SP_CLONE_COMPENSATION_PARALLEL);
1378 // If this is a clone and it's selected along with its original, do not move it; it will feel the
1379 // transform of its original and respond to it itself. Without this, a clone is doubly
1380 // transformed, very unintuitive.
1381 // Same for textpath if we are also doing ANY transform to its path: do not touch textpath,
1382 // letters cannot be squeezed or rotated anyway, they only refill the changed path.
1383 // Same for linked offset if we are also moving its source: do not move it.
1384 if (transform_textpath_with_path || transform_offset_with_source) {
1385 // restore item->transform field from the repr, in case it was changed by seltrans
1386 sp_object_read_attr (SP_OBJECT (item), "transform");
1388 } else if (transform_flowtext_with_frame) {
1389 // apply the inverse of the region's transform to the <use> so that the flow remains
1390 // the same (even though the output itself gets transformed)
1391 for (SPObject *region = item->firstChild() ; region ; region = SP_OBJECT_NEXT(region)) {
1392 if (!SP_IS_FLOWREGION(region) && !SP_IS_FLOWREGIONEXCLUDE(region))
1393 continue;
1394 for (SPObject *use = region->firstChild() ; use ; use = SP_OBJECT_NEXT(use)) {
1395 if (!SP_IS_USE(use)) continue;
1396 sp_item_write_transform(SP_USE(use), SP_OBJECT_REPR(use), item->transform.inverse(), NULL);
1397 }
1398 }
1399 } else if (transform_clone_with_original) {
1400 // We are transforming a clone along with its original. The below matrix juggling is
1401 // necessary to ensure that they transform as a whole, i.e. the clone's induced
1402 // transform and its move compensation are both cancelled out.
1404 // restore item->transform field from the repr, in case it was changed by seltrans
1405 sp_object_read_attr (SP_OBJECT (item), "transform");
1407 // calculate the matrix we need to apply to the clone to cancel its induced transform from its original
1408 NR::Matrix t = matrix_to_desktop (matrix_from_desktop (affine, item), item);
1409 NR::Matrix t_inv = matrix_to_desktop (matrix_from_desktop (affine.inverse(), item), item);
1410 NR::Matrix result = t_inv * item->transform * t;
1412 if ((prefs_parallel || prefs_unmoved) && affine.is_translation()) {
1413 // we need to cancel out the move compensation, too
1415 // find out the clone move, same as in sp_use_move_compensate
1416 NR::Matrix parent = sp_use_get_parent_transform (SP_USE(item));
1417 NR::Matrix clone_move = parent.inverse() * t * parent;
1419 if (prefs_parallel) {
1420 NR::Matrix move = result * clone_move * t_inv;
1421 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move);
1423 } else if (prefs_unmoved) {
1424 if (SP_IS_USE(sp_use_get_original(SP_USE(item))))
1425 clone_move = NR::identity();
1426 NR::Matrix move = result * clone_move;
1427 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move);
1428 }
1430 } else {
1431 // just apply the result
1432 sp_item_write_transform(item, SP_OBJECT_REPR(item), result, &result);
1433 }
1435 } else {
1436 if (set_i2d) {
1437 sp_item_set_i2d_affine(item, sp_item_i2d_affine(item) * affine);
1438 }
1439 sp_item_write_transform(item, SP_OBJECT_REPR(item), item->transform, NULL);
1440 }
1442 // if we're moving the actual object, not just updating the repr, we can transform the
1443 // center by the same matrix (only necessary for non-translations)
1444 if (set_i2d && item->isCenterSet() && !affine.is_translation()) {
1445 item->setCenter(old_center * affine);
1446 SP_OBJECT(item)->updateRepr();
1447 }
1448 }
1449 }
1451 void sp_selection_remove_transform()
1452 {
1453 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1454 if (desktop == NULL)
1455 return;
1457 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1459 GSList const *l = (GSList *) selection->reprList();
1460 while (l != NULL) {
1461 sp_repr_set_attr((Inkscape::XML::Node*)l->data, "transform", NULL);
1462 l = l->next;
1463 }
1465 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_FLATTEN,
1466 _("Remove transform"));
1467 }
1469 void
1470 sp_selection_scale_absolute(Inkscape::Selection *selection,
1471 double const x0, double const x1,
1472 double const y0, double const y1)
1473 {
1474 if (selection->isEmpty())
1475 return;
1477 NR::Rect const bbox(selection->bounds());
1478 if (bbox.isEmpty()) {
1479 return;
1480 }
1482 NR::translate const p2o(-bbox.min());
1484 NR::scale const newSize(x1 - x0,
1485 y1 - y0);
1486 NR::scale const scale( newSize / NR::scale(bbox.dimensions()) );
1487 NR::translate const o2n(x0, y0);
1488 NR::Matrix const final( p2o * scale * o2n );
1490 sp_selection_apply_affine(selection, final);
1491 }
1494 void sp_selection_scale_relative(Inkscape::Selection *selection, NR::Point const &align, NR::scale const &scale)
1495 {
1496 if (selection->isEmpty())
1497 return;
1499 NR::Rect const bbox(selection->bounds());
1501 if (bbox.isEmpty()) {
1502 return;
1503 }
1505 // FIXME: ARBITRARY LIMIT: don't try to scale above 1 Mpx, it won't display properly and will crash sooner or later anyway
1506 if ( bbox.extent(NR::X) * scale[NR::X] > 1e6 ||
1507 bbox.extent(NR::Y) * scale[NR::Y] > 1e6 )
1508 {
1509 return;
1510 }
1512 NR::translate const n2d(-align);
1513 NR::translate const d2n(align);
1514 NR::Matrix const final( n2d * scale * d2n );
1515 sp_selection_apply_affine(selection, final);
1516 }
1518 void
1519 sp_selection_rotate_relative(Inkscape::Selection *selection, NR::Point const ¢er, gdouble const angle_degrees)
1520 {
1521 NR::translate const d2n(center);
1522 NR::translate const n2d(-center);
1523 NR::rotate const rotate(rotate_degrees(angle_degrees));
1524 NR::Matrix const final( NR::Matrix(n2d) * rotate * d2n );
1525 sp_selection_apply_affine(selection, final);
1526 }
1528 void
1529 sp_selection_skew_relative(Inkscape::Selection *selection, NR::Point const &align, double dx, double dy)
1530 {
1531 NR::translate const d2n(align);
1532 NR::translate const n2d(-align);
1533 NR::Matrix const skew(1, dy,
1534 dx, 1,
1535 0, 0);
1536 NR::Matrix const final( n2d * skew * d2n );
1537 sp_selection_apply_affine(selection, final);
1538 }
1540 void sp_selection_move_relative(Inkscape::Selection *selection, NR::Point const &move)
1541 {
1542 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(move)));
1543 }
1545 void sp_selection_move_relative(Inkscape::Selection *selection, double dx, double dy)
1546 {
1547 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(dx, dy)));
1548 }
1551 /**
1552 * \brief sp_selection_rotate_90
1553 *
1554 * This function rotates selected objects 90 degrees clockwise.
1555 *
1556 */
1558 void sp_selection_rotate_90_cw()
1559 {
1560 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1562 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1564 if (selection->isEmpty())
1565 return;
1567 GSList const *l = selection->itemList();
1568 NR::rotate const rot_neg_90(NR::Point(0, -1));
1569 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1570 SPItem *item = SP_ITEM(l2->data);
1571 sp_item_rotate_rel(item, rot_neg_90);
1572 }
1574 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CCW,
1575 _("Rotate 90° CW"));
1576 }
1579 /**
1580 * \brief sp_selection_rotate_90_ccw
1581 *
1582 * This function rotates selected objects 90 degrees counter-clockwise.
1583 *
1584 */
1586 void sp_selection_rotate_90_ccw()
1587 {
1588 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1590 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1592 if (selection->isEmpty())
1593 return;
1595 GSList const *l = selection->itemList();
1596 NR::rotate const rot_neg_90(NR::Point(0, 1));
1597 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1598 SPItem *item = SP_ITEM(l2->data);
1599 sp_item_rotate_rel(item, rot_neg_90);
1600 }
1602 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CW,
1603 _("Rotate 90° CCW"));
1604 }
1606 void
1607 sp_selection_rotate(Inkscape::Selection *selection, gdouble const angle_degrees)
1608 {
1609 if (selection->isEmpty())
1610 return;
1612 NR::Point center = selection->center();
1614 sp_selection_rotate_relative(selection, center, angle_degrees);
1616 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1617 ( ( angle_degrees > 0 )
1618 ? "selector:rotate:ccw"
1619 : "selector:rotate:cw" ),
1620 SP_VERB_CONTEXT_SELECT,
1621 _("Rotate"));
1622 }
1624 /**
1625 \param angle the angle in "angular pixels", i.e. how many visible pixels must move the outermost point of the rotated object
1626 */
1627 void
1628 sp_selection_rotate_screen(Inkscape::Selection *selection, gdouble angle)
1629 {
1630 if (selection->isEmpty())
1631 return;
1633 NR::Rect const bbox(selection->bounds());
1635 NR::Point center = selection->center();
1637 gdouble const zoom = selection->desktop()->current_zoom();
1638 gdouble const zmove = angle / zoom;
1639 gdouble const r = NR::L2(bbox.max() - center);
1641 gdouble const zangle = 180 * atan2(zmove, r) / M_PI;
1643 sp_selection_rotate_relative(selection, center, zangle);
1645 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1646 ( (angle > 0)
1647 ? "selector:rotate:ccw"
1648 : "selector:rotate:cw" ),
1649 SP_VERB_CONTEXT_SELECT,
1650 _("Rotate by pixels"));
1651 }
1653 void
1654 sp_selection_scale(Inkscape::Selection *selection, gdouble grow)
1655 {
1656 if (selection->isEmpty())
1657 return;
1659 NR::Rect const bbox(selection->bounds());
1660 NR::Point const center(bbox.midpoint());
1661 double const max_len = bbox.maxExtent();
1663 // you can't scale "do nizhe pola" (below zero)
1664 if ( max_len + grow <= 1e-3 ) {
1665 return;
1666 }
1668 double const times = 1.0 + grow / max_len;
1669 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1671 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1672 ( (grow > 0)
1673 ? "selector:scale:larger"
1674 : "selector:scale:smaller" ),
1675 SP_VERB_CONTEXT_SELECT,
1676 _("Scale"));
1677 }
1679 void
1680 sp_selection_scale_screen(Inkscape::Selection *selection, gdouble grow_pixels)
1681 {
1682 sp_selection_scale(selection,
1683 grow_pixels / selection->desktop()->current_zoom());
1684 }
1686 void
1687 sp_selection_scale_times(Inkscape::Selection *selection, gdouble times)
1688 {
1689 if (selection->isEmpty())
1690 return;
1692 NR::Point const center(selection->bounds().midpoint());
1693 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1694 sp_document_done(sp_desktop_document(selection->desktop()), SP_VERB_CONTEXT_SELECT,
1695 _("Scale by whole factor"));
1696 }
1698 void
1699 sp_selection_move(gdouble dx, gdouble dy)
1700 {
1701 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1702 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1703 if (selection->isEmpty()) {
1704 return;
1705 }
1707 sp_selection_move_relative(selection, dx, dy);
1709 if (dx == 0) {
1710 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1711 _("Move vertically"));
1712 } else if (dy == 0) {
1713 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1714 _("Move horizontally"));
1715 } else {
1716 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1717 _("Move"));
1718 }
1719 }
1721 void
1722 sp_selection_move_screen(gdouble dx, gdouble dy)
1723 {
1724 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1726 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1727 if (selection->isEmpty()) {
1728 return;
1729 }
1731 // same as sp_selection_move but divide deltas by zoom factor
1732 gdouble const zoom = desktop->current_zoom();
1733 gdouble const zdx = dx / zoom;
1734 gdouble const zdy = dy / zoom;
1735 sp_selection_move_relative(selection, zdx, zdy);
1737 if (dx == 0) {
1738 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1739 _("Nudge vertically by pixels"));
1740 } else if (dy == 0) {
1741 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1742 _("Nudge horizontally by pixels"));
1743 } else {
1744 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1745 _("Move"));
1746 }
1747 }
1749 namespace {
1751 template <typename D>
1752 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1753 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1755 template <typename D>
1756 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items, SPObject *root,
1757 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1759 struct Forward {
1760 typedef SPObject *Iterator;
1762 static Iterator children(SPObject *o) { return sp_object_first_child(o); }
1763 static Iterator siblings_after(SPObject *o) { return SP_OBJECT_NEXT(o); }
1764 static void dispose(Iterator i) {}
1766 static SPObject *object(Iterator i) { return i; }
1767 static Iterator next(Iterator i) { return SP_OBJECT_NEXT(i); }
1768 };
1770 struct Reverse {
1771 typedef GSList *Iterator;
1773 static Iterator children(SPObject *o) {
1774 return make_list(o->firstChild(), NULL);
1775 }
1776 static Iterator siblings_after(SPObject *o) {
1777 return make_list(SP_OBJECT_PARENT(o)->firstChild(), o);
1778 }
1779 static void dispose(Iterator i) {
1780 g_slist_free(i);
1781 }
1783 static SPObject *object(Iterator i) {
1784 return reinterpret_cast<SPObject *>(i->data);
1785 }
1786 static Iterator next(Iterator i) { return i->next; }
1788 private:
1789 static GSList *make_list(SPObject *object, SPObject *limit) {
1790 GSList *list=NULL;
1791 while ( object != limit ) {
1792 list = g_slist_prepend(list, object);
1793 object = SP_OBJECT_NEXT(object);
1794 }
1795 return list;
1796 }
1797 };
1799 }
1801 void
1802 sp_selection_item_next(void)
1803 {
1804 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1805 g_return_if_fail(desktop != NULL);
1806 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1808 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1809 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1810 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1812 SPObject *root;
1813 if (PREFS_SELECTION_ALL != inlayer) {
1814 root = selection->activeContext();
1815 } else {
1816 root = desktop->currentRoot();
1817 }
1819 SPItem *item=next_item_from_list<Forward>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1821 if (item) {
1822 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1823 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1824 scroll_to_show_item(desktop, item);
1825 }
1826 }
1827 }
1829 void
1830 sp_selection_item_prev(void)
1831 {
1832 SPDocument *document = SP_ACTIVE_DOCUMENT;
1833 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1834 g_return_if_fail(document != NULL);
1835 g_return_if_fail(desktop != NULL);
1836 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1838 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1839 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1840 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1842 SPObject *root;
1843 if (PREFS_SELECTION_ALL != inlayer) {
1844 root = selection->activeContext();
1845 } else {
1846 root = desktop->currentRoot();
1847 }
1849 SPItem *item=next_item_from_list<Reverse>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1851 if (item) {
1852 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1853 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1854 scroll_to_show_item(desktop, item);
1855 }
1856 }
1857 }
1859 namespace {
1861 template <typename D>
1862 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items,
1863 SPObject *root, bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1864 {
1865 SPObject *current=root;
1866 while (items) {
1867 SPItem *item=SP_ITEM(items->data);
1868 if ( root->isAncestorOf(item) &&
1869 ( !only_in_viewport || desktop->isWithinViewport(item) ) )
1870 {
1871 current = item;
1872 break;
1873 }
1874 items = items->next;
1875 }
1877 GSList *path=NULL;
1878 while ( current != root ) {
1879 path = g_slist_prepend(path, current);
1880 current = SP_OBJECT_PARENT(current);
1881 }
1883 SPItem *next;
1884 // first, try from the current object
1885 next = next_item<D>(desktop, path, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1886 g_slist_free(path);
1888 if (!next) { // if we ran out of objects, start over at the root
1889 next = next_item<D>(desktop, NULL, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1890 }
1892 return next;
1893 }
1895 template <typename D>
1896 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1897 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1898 {
1899 typename D::Iterator children;
1900 typename D::Iterator iter;
1902 SPItem *found=NULL;
1904 if (path) {
1905 SPObject *object=reinterpret_cast<SPObject *>(path->data);
1906 g_assert(SP_OBJECT_PARENT(object) == root);
1907 if (desktop->isLayer(object)) {
1908 found = next_item<D>(desktop, path->next, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1909 }
1910 iter = children = D::siblings_after(object);
1911 } else {
1912 iter = children = D::children(root);
1913 }
1915 while ( iter && !found ) {
1916 SPObject *object=D::object(iter);
1917 if (desktop->isLayer(object)) {
1918 if (PREFS_SELECTION_LAYER != inlayer) { // recurse into sublayers
1919 found = next_item<D>(desktop, NULL, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1920 }
1921 } else if ( SP_IS_ITEM(object) &&
1922 ( !only_in_viewport || desktop->isWithinViewport(SP_ITEM(object)) ) &&
1923 ( !onlyvisible || !desktop->itemIsHidden(SP_ITEM(object))) &&
1924 ( !onlysensitive || !SP_ITEM(object)->isLocked()) &&
1925 !desktop->isLayer(SP_ITEM(object)) )
1926 {
1927 found = SP_ITEM(object);
1928 }
1929 iter = D::next(iter);
1930 }
1932 D::dispose(children);
1934 return found;
1935 }
1937 }
1939 /**
1940 * If \a item is not entirely visible then adjust visible area to centre on the centre on of
1941 * \a item.
1942 */
1943 void scroll_to_show_item(SPDesktop *desktop, SPItem *item)
1944 {
1945 NR::Rect dbox = desktop->get_display_area();
1946 NR::Rect sbox = sp_item_bbox_desktop(item);
1948 if (dbox.contains(sbox) == false) {
1949 NR::Point const s_dt = sbox.midpoint();
1950 NR::Point const s_w = desktop->d2w(s_dt);
1951 NR::Point const d_dt = dbox.midpoint();
1952 NR::Point const d_w = desktop->d2w(d_dt);
1953 NR::Point const moved_w( d_w - s_w );
1954 gint const dx = (gint) moved_w[X];
1955 gint const dy = (gint) moved_w[Y];
1956 desktop->scroll_world(dx, dy);
1957 }
1958 }
1961 void
1962 sp_selection_clone()
1963 {
1964 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1965 if (desktop == NULL)
1966 return;
1968 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1970 // check if something is selected
1971 if (selection->isEmpty()) {
1972 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object</b> to clone."));
1973 return;
1974 }
1976 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
1978 selection->clear();
1980 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
1981 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
1983 GSList *newsel = NULL;
1985 while (reprs) {
1986 Inkscape::XML::Node *sel_repr = (Inkscape::XML::Node *) reprs->data;
1987 Inkscape::XML::Node *parent = sp_repr_parent(sel_repr);
1989 Inkscape::XML::Node *clone = sp_repr_new("svg:use");
1990 sp_repr_set_attr(clone, "x", "0");
1991 sp_repr_set_attr(clone, "y", "0");
1992 sp_repr_set_attr(clone, "xlink:href", g_strdup_printf("#%s", sel_repr->attribute("id")));
1994 sp_repr_set_attr(clone, "inkscape:transform-center-x", sel_repr->attribute("inkscape:transform-center-x"));
1995 sp_repr_set_attr(clone, "inkscape:transform-center-y", sel_repr->attribute("inkscape:transform-center-y"));
1997 // add the new clone to the top of the original's parent
1998 parent->appendChild(clone);
2000 newsel = g_slist_prepend(newsel, clone);
2001 reprs = g_slist_remove(reprs, sel_repr);
2002 Inkscape::GC::release(clone);
2003 }
2005 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_CLONE,
2006 _("Clone"));
2008 selection->setReprList(newsel);
2010 g_slist_free(newsel);
2011 }
2013 void
2014 sp_selection_unlink()
2015 {
2016 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2017 if (!desktop)
2018 return;
2020 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2022 if (selection->isEmpty()) {
2023 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>clone</b> to unlink."));
2024 return;
2025 }
2027 // Get a copy of current selection.
2028 GSList *new_select = NULL;
2029 bool unlinked = false;
2030 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2031 items != NULL;
2032 items = items->next)
2033 {
2034 SPItem *use = (SPItem *) items->data;
2036 if (!SP_IS_USE(use)) {
2037 // keep the non-yse item in the new selection
2038 new_select = g_slist_prepend(new_select, use);
2039 continue;
2040 }
2042 SPItem *unlink = sp_use_unlink(SP_USE(use));
2043 unlinked = true;
2044 // Add ungrouped items to the new selection.
2045 new_select = g_slist_prepend(new_select, unlink);
2046 }
2048 if (new_select) { // set new selection
2049 selection->clear();
2050 selection->setList(new_select);
2051 g_slist_free(new_select);
2052 }
2053 if (!unlinked) {
2054 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No clones to unlink</b> in the selection."));
2055 }
2057 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNLINK_CLONE,
2058 _("Unlink clone"));
2059 }
2061 void
2062 sp_select_clone_original()
2063 {
2064 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2065 if (desktop == NULL)
2066 return;
2068 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2070 SPItem *item = selection->singleItem();
2072 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.");
2074 // Check if other than two objects are selected
2075 if (g_slist_length((GSList *) selection->itemList()) != 1 || !item) {
2076 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2077 return;
2078 }
2080 SPItem *original = NULL;
2081 if (SP_IS_USE(item)) {
2082 original = sp_use_get_original (SP_USE(item));
2083 } else if (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) {
2084 original = sp_offset_get_source (SP_OFFSET(item));
2085 } else if (SP_IS_TEXT_TEXTPATH(item)) {
2086 original = sp_textpath_get_path_item (SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))));
2087 } else if (SP_IS_FLOWTEXT(item)) {
2088 original = SP_FLOWTEXT(item)->get_frame (NULL); // first frame only
2089 } else { // it's an object that we don't know what to do with
2090 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2091 return;
2092 }
2094 if (!original) {
2095 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>Cannot find</b> the object to select (orphaned clone, offset, textpath, flowed text?)"));
2096 return;
2097 }
2099 for (SPObject *o = original; o && !SP_IS_ROOT(o); o = SP_OBJECT_PARENT (o)) {
2100 if (SP_IS_DEFS (o)) {
2101 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("The object you're trying to select is <b>not visible</b> (it is in <defs>)"));
2102 return;
2103 }
2104 }
2106 if (original) {
2107 selection->clear();
2108 selection->set(original);
2109 if (SP_CYCLING == SP_CYCLE_FOCUS) {
2110 scroll_to_show_item(desktop, original);
2111 }
2112 }
2113 }
2115 void
2116 sp_selection_tile(bool apply)
2117 {
2118 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2119 if (desktop == NULL)
2120 return;
2122 SPDocument *document = sp_desktop_document(desktop);
2124 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2126 // check if something is selected
2127 if (selection->isEmpty()) {
2128 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to pattern."));
2129 return;
2130 }
2132 sp_document_ensure_up_to_date(document);
2133 NR::Rect r = selection->bounds();
2134 if (r.isEmpty()) {
2135 return;
2136 }
2138 // calculate the transform to be applied to objects to move them to 0,0
2139 NR::Point move_p = NR::Point(0, sp_document_height(document)) - (r.min() + NR::Point (0, r.extent(NR::Y)));
2140 move_p[NR::Y] = -move_p[NR::Y];
2141 NR::Matrix move = NR::Matrix (NR::translate (move_p));
2143 GSList *items = g_slist_copy((GSList *) selection->itemList());
2145 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2147 // bottommost object, after sorting
2148 SPObject *parent = SP_OBJECT_PARENT (items->data);
2150 NR::Matrix parent_transform = sp_item_i2root_affine(SP_ITEM(parent));
2152 // remember the position of the first item
2153 gint pos = SP_OBJECT_REPR (items->data)->position();
2155 // create a list of duplicates
2156 GSList *repr_copies = NULL;
2157 for (GSList *i = items; i != NULL; i = i->next) {
2158 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2159 repr_copies = g_slist_prepend (repr_copies, dup);
2160 }
2162 NR::Rect bounds(desktop->dt2doc(r.min()), desktop->dt2doc(r.max()));
2164 if (apply) {
2165 // delete objects so that their clones don't get alerted; this object will be restored shortly
2166 for (GSList *i = items; i != NULL; i = i->next) {
2167 SPObject *item = SP_OBJECT (i->data);
2168 item->deleteObject (false);
2169 }
2170 }
2172 // Hack: Temporarily set clone compensation to unmoved, so that we can move clone-originals
2173 // without disturbing clones.
2174 // See ActorAlign::on_button_click() in src/ui/dialog/align-and-distribute.cpp
2175 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2176 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2178 const gchar *pat_id = pattern_tile (repr_copies, bounds, document,
2179 NR::Matrix(NR::translate(desktop->dt2doc(NR::Point(r.min()[NR::X], r.max()[NR::Y])))) * parent_transform.inverse(), parent_transform * move);
2181 // restore compensation setting
2182 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
2184 if (apply) {
2185 Inkscape::XML::Node *rect = sp_repr_new ("svg:rect");
2186 rect->setAttribute("style", g_strdup_printf("stroke:none;fill:url(#%s)", pat_id));
2188 NR::Point min = bounds.min() * parent_transform.inverse();
2189 NR::Point max = bounds.max() * parent_transform.inverse();
2191 sp_repr_set_svg_double(rect, "width", max[NR::X] - min[NR::X]);
2192 sp_repr_set_svg_double(rect, "height", max[NR::Y] - min[NR::Y]);
2193 sp_repr_set_svg_double(rect, "x", min[NR::X]);
2194 sp_repr_set_svg_double(rect, "y", min[NR::Y]);
2196 // restore parent and position
2197 SP_OBJECT_REPR (parent)->appendChild(rect);
2198 rect->setPosition(pos > 0 ? pos : 0);
2199 SPItem *rectangle = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(rect);
2201 Inkscape::GC::release(rect);
2203 selection->clear();
2204 selection->set(rectangle);
2205 }
2207 g_slist_free (items);
2209 sp_document_done (document, SP_VERB_EDIT_TILE,
2210 _("Objects to pattern"));
2211 }
2213 void
2214 sp_selection_untile()
2215 {
2216 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2217 if (desktop == NULL)
2218 return;
2220 SPDocument *document = sp_desktop_document(desktop);
2222 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2224 // check if something is selected
2225 if (selection->isEmpty()) {
2226 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object with pattern fill</b> to extract objects from."));
2227 return;
2228 }
2230 GSList *new_select = NULL;
2232 bool did = false;
2234 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2235 items != NULL;
2236 items = items->next) {
2238 SPItem *item = (SPItem *) items->data;
2240 SPStyle *style = SP_OBJECT_STYLE (item);
2242 if (!style || style->fill.type != SP_PAINT_TYPE_PAINTSERVER)
2243 continue;
2245 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
2247 if (!SP_IS_PATTERN(server))
2248 continue;
2250 did = true;
2252 SPPattern *pattern = pattern_getroot (SP_PATTERN (server));
2254 NR::Matrix pat_transform = pattern_patternTransform (SP_PATTERN (server));
2255 pat_transform *= item->transform;
2257 for (SPObject *child = sp_object_first_child(SP_OBJECT(pattern)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2258 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate();
2259 SPItem *i = SP_ITEM (desktop->currentLayer()->appendChildRepr(copy));
2261 // FIXME: relink clones to the new canvas objects
2262 // use SPObject::setid when mental finishes it to steal ids of
2264 // this is needed to make sure the new item has curve (simply requestDisplayUpdate does not work)
2265 sp_document_ensure_up_to_date (document);
2267 NR::Matrix transform( i->transform * pat_transform );
2268 sp_item_write_transform(i, SP_OBJECT_REPR(i), transform);
2270 new_select = g_slist_prepend(new_select, i);
2271 }
2273 SPCSSAttr *css = sp_repr_css_attr_new ();
2274 sp_repr_css_set_property (css, "fill", "none");
2275 sp_repr_css_change (SP_OBJECT_REPR (item), css, "style");
2276 }
2278 if (!did) {
2279 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No pattern fills</b> in the selection."));
2280 } else {
2281 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNTILE,
2282 _("Pattern to objects"));
2283 selection->setList(new_select);
2284 }
2285 }
2287 void
2288 sp_selection_get_export_hints (Inkscape::Selection *selection, const char **filename, float *xdpi, float *ydpi)
2289 {
2290 if (selection->isEmpty()) {
2291 return;
2292 }
2294 const GSList * reprlst = selection->reprList();
2295 bool filename_search = TRUE;
2296 bool xdpi_search = TRUE;
2297 bool ydpi_search = TRUE;
2299 for(; reprlst != NULL &&
2300 filename_search &&
2301 xdpi_search &&
2302 ydpi_search;
2303 reprlst = reprlst->next) {
2304 const gchar * dpi_string;
2305 Inkscape::XML::Node * repr = (Inkscape::XML::Node *)reprlst->data;
2307 if (filename_search) {
2308 *filename = repr->attribute("inkscape:export-filename");
2309 if (*filename != NULL)
2310 filename_search = FALSE;
2311 }
2313 if (xdpi_search) {
2314 dpi_string = NULL;
2315 dpi_string = repr->attribute("inkscape:export-xdpi");
2316 if (dpi_string != NULL) {
2317 *xdpi = atof(dpi_string);
2318 xdpi_search = FALSE;
2319 }
2320 }
2322 if (ydpi_search) {
2323 dpi_string = NULL;
2324 dpi_string = repr->attribute("inkscape:export-ydpi");
2325 if (dpi_string != NULL) {
2326 *ydpi = atof(dpi_string);
2327 ydpi_search = FALSE;
2328 }
2329 }
2330 }
2331 }
2333 void
2334 sp_document_get_export_hints (SPDocument * doc, const char **filename, float *xdpi, float *ydpi)
2335 {
2336 Inkscape::XML::Node * repr = sp_document_repr_root(doc);
2337 const gchar * dpi_string;
2339 *filename = repr->attribute("inkscape:export-filename");
2341 dpi_string = NULL;
2342 dpi_string = repr->attribute("inkscape:export-xdpi");
2343 if (dpi_string != NULL) {
2344 *xdpi = atof(dpi_string);
2345 }
2347 dpi_string = NULL;
2348 dpi_string = repr->attribute("inkscape:export-ydpi");
2349 if (dpi_string != NULL) {
2350 *ydpi = atof(dpi_string);
2351 }
2352 }
2354 void
2355 sp_selection_create_bitmap_copy ()
2356 {
2357 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2358 if (desktop == NULL)
2359 return;
2361 SPDocument *document = sp_desktop_document(desktop);
2363 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2365 // check if something is selected
2366 if (selection->isEmpty()) {
2367 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to make a bitmap copy."));
2368 return;
2369 }
2371 // Get the bounding box of the selection
2372 NRRect bbox;
2373 sp_document_ensure_up_to_date (document);
2374 selection->bounds(&bbox);
2375 if (NR_RECT_DFLS_TEST_EMPTY(&bbox)) {
2376 return; // exceptional situation, so not bother with a translatable error message, just quit quietly
2377 }
2379 // List of the items to show; all others will be hidden
2380 GSList *items = g_slist_copy ((GSList *) selection->itemList());
2382 // Sort items so that the topmost comes last
2383 items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);
2385 // Generate a random value from the current time (you may create bitmap from the same object(s)
2386 // multiple times, and this is done so that they don't clash)
2387 GTimeVal cu;
2388 g_get_current_time (&cu);
2389 guint current = (int) (cu.tv_sec * 1000000 + cu.tv_usec) % 1024;
2391 // Create the filename
2392 gchar *filename = g_strdup_printf ("%s-%s-%u.png", document->name, SP_OBJECT_REPR(items->data)->attribute("id"), current);
2393 // Imagemagick is known not to handle spaces in filenames, so we replace anything but letters,
2394 // digits, and a few other chars, with "_"
2395 filename = g_strcanon (filename, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.=+~$#@^&!?", '_');
2396 // Build the complete path by adding document->base if set
2397 gchar *filepath = g_build_filename (document->base?document->base:"", filename, NULL);
2399 //g_print ("%s\n", filepath);
2401 // Remember parent and z-order of the topmost one
2402 gint pos = SP_OBJECT_REPR(g_slist_last(items)->data)->position();
2403 SPObject *parent_object = SP_OBJECT_PARENT(g_slist_last(items)->data);
2404 Inkscape::XML::Node *parent = SP_OBJECT_REPR(parent_object);
2406 // Calculate resolution
2407 double res;
2408 int const prefs_res = prefs_get_int_attribute ("options.createbitmap", "resolution", 0);
2409 int const prefs_min = prefs_get_int_attribute ("options.createbitmap", "minsize", 0);
2410 if (0 < prefs_res) {
2411 // If it's given explicitly in prefs, take it
2412 res = prefs_res;
2413 } else if (0 < prefs_min) {
2414 // If minsize is given, look up minimum bitmap size (default 250 pixels) and calculate resolution from it
2415 res = PX_PER_IN * prefs_min / MIN ((bbox.x1 - bbox.x0), (bbox.y1 - bbox.y0));
2416 } else {
2417 float hint_xdpi = 0, hint_ydpi = 0;
2418 const char *hint_filename;
2419 // take resolution hint from the selected objects
2420 sp_selection_get_export_hints (selection, &hint_filename, &hint_xdpi, &hint_ydpi);
2421 if (hint_xdpi != 0) {
2422 res = hint_xdpi;
2423 } else {
2424 // take resolution hint from the document
2425 sp_document_get_export_hints (document, &hint_filename, &hint_xdpi, &hint_ydpi);
2426 if (hint_xdpi != 0) {
2427 res = hint_xdpi;
2428 } else {
2429 // if all else fails, take the default 90 dpi
2430 res = PX_PER_IN;
2431 }
2432 }
2433 }
2435 // The width and height of the bitmap in pixels
2436 unsigned width = (unsigned) floor ((bbox.x1 - bbox.x0) * res / PX_PER_IN);
2437 unsigned height =(unsigned) floor ((bbox.y1 - bbox.y0) * res / PX_PER_IN);
2439 // Find out if we have to run a filter
2440 const gchar *run = NULL;
2441 const gchar *filter = prefs_get_string_attribute ("options.createbitmap", "filter");
2442 if (filter) {
2443 // filter command is given;
2444 // see if we have a parameter to pass to it
2445 const gchar *param1 = prefs_get_string_attribute ("options.createbitmap", "filter_param1");
2446 if (param1) {
2447 if (param1[strlen(param1) - 1] == '%') {
2448 // if the param string ends with %, interpret it as a percentage of the image's max dimension
2449 gchar p1[256];
2450 g_ascii_dtostr (p1, 256, ceil (g_ascii_strtod (param1, NULL) * MAX(width, height) / 100));
2451 // the first param is always the image filename, the second is param1
2452 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, p1);
2453 } else {
2454 // otherwise pass the param1 unchanged
2455 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, param1);
2456 }
2457 } else {
2458 // run without extra parameter
2459 run = g_strdup_printf ("%s \"%s\"", filter, filepath);
2460 }
2461 }
2463 // Calculate the matrix that will be applied to the image so that it exactly overlaps the source objects
2464 NR::Matrix eek = sp_item_i2d_affine (SP_ITEM(parent_object));
2465 NR::Matrix t;
2466 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2467 t = NR::scale (1, -1) * NR::translate ((unsigned) (bbox.x0 + 0.5), (unsigned) (bbox.y1 + 0.5)) * eek.inverse();
2468 } else {
2469 t = NR::scale (1, -1) * NR::translate (bbox.x0, bbox.y1) * eek.inverse();
2470 }
2472 // Do the export
2473 sp_export_png_file(document, filepath,
2474 bbox.x0, bbox.y0, bbox.x1, bbox.y1,
2475 width, height, res, res,
2476 (guint32) 0xffffff00,
2477 NULL, NULL,
2478 true, /*bool force_overwrite,*/
2479 items);
2481 g_slist_free (items);
2483 // Run filter, if any
2484 if (run) {
2485 g_print ("Running external filter: %s\n", run);
2486 system (run);
2487 }
2489 // Import the image back
2490 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filepath, NULL);
2491 if (pb) {
2492 // Create the repr for the image
2493 Inkscape::XML::Node * repr = sp_repr_new ("svg:image");
2494 repr->setAttribute("xlink:href", filename);
2495 repr->setAttribute("sodipodi:absref", filepath);
2496 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2497 sp_repr_set_svg_double(repr, "width", width);
2498 sp_repr_set_svg_double(repr, "height", height);
2499 } else {
2500 sp_repr_set_svg_double(repr, "width", (bbox.x1 - bbox.x0));
2501 sp_repr_set_svg_double(repr, "height", (bbox.y1 - bbox.y0));
2502 }
2504 // Write transform
2505 gchar c[256];
2506 if (sp_svg_transform_write(c, 256, t)) {
2507 repr->setAttribute("transform", c);
2508 }
2510 // add the new repr to the parent
2511 parent->appendChild(repr);
2513 // move to the saved position
2514 repr->setPosition(pos > 0 ? pos + 1 : 1);
2516 // Set selection to the new image
2517 selection->clear();
2518 selection->add(repr);
2520 // Clean up
2521 Inkscape::GC::release(repr);
2522 gdk_pixbuf_unref (pb);
2524 // Complete undoable transaction
2525 sp_document_done (document, SP_VERB_SELECTION_CREATE_BITMAP,
2526 _("Create bitmap"));
2527 }
2529 g_free (filename);
2530 g_free (filepath);
2531 }
2533 /**
2534 * \brief sp_selection_set_mask
2535 *
2536 * This function creates a mask or clipPath from selection
2537 * Two different modes:
2538 * if applyToLayer, all selection is moved to DEFS as mask/clippath
2539 * and is applied to current layer
2540 * otherwise, topmost object is used as mask for other objects
2541 * If \a apply_clip_path parameter is true, clipPath is created, otherwise mask
2542 *
2543 */
2544 void
2545 sp_selection_set_mask(bool apply_clip_path, bool apply_to_layer)
2546 {
2547 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2548 if (desktop == NULL)
2549 return;
2551 SPDocument *document = sp_desktop_document(desktop);
2553 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2555 // check if something is selected
2556 bool is_empty = selection->isEmpty();
2557 if ( apply_to_layer && is_empty) {
2558 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to create clippath or mask from."));
2559 return;
2560 } else if (!apply_to_layer && ( is_empty || NULL == selection->itemList()->next )) {
2561 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select mask object and <b>object(s)</b> to apply clippath or mask to."));
2562 return;
2563 }
2565 sp_document_ensure_up_to_date(document);
2567 GSList *items = g_slist_copy((GSList *) selection->itemList());
2569 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2571 // create a list of duplicates
2572 GSList *mask_items = NULL;
2573 GSList *apply_to_items = NULL;
2574 GSList *items_to_delete = NULL;
2575 bool topmost = prefs_get_int_attribute ("options.maskobject", "topmost", 1);
2576 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2578 if (apply_to_layer) {
2579 // all selected items are used for mask, which is applied to a layer
2580 apply_to_items = g_slist_prepend (apply_to_items, desktop->currentLayer());
2582 for (GSList *i = items; i != NULL; i = i->next) {
2583 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2584 mask_items = g_slist_prepend (mask_items, dup);
2586 if (remove_original) {
2587 SPObject *item = SP_OBJECT (i->data);
2588 items_to_delete = g_slist_prepend (items_to_delete, item);
2589 }
2590 }
2591 } else if (!topmost) {
2592 // topmost item is used as a mask, which is applied to other items in a selection
2593 GSList *i = items;
2594 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2595 mask_items = g_slist_prepend (mask_items, dup);
2597 if (remove_original) {
2598 SPObject *item = SP_OBJECT (i->data);
2599 items_to_delete = g_slist_prepend (items_to_delete, item);
2600 }
2602 for (i = i->next; i != NULL; i = i->next) {
2603 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2604 }
2605 } else {
2606 GSList *i = NULL;
2607 for (i = items; NULL != i->next; i = i->next) {
2608 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2609 }
2611 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2612 mask_items = g_slist_prepend (mask_items, dup);
2614 if (remove_original) {
2615 SPObject *item = SP_OBJECT (i->data);
2616 items_to_delete = g_slist_prepend (items_to_delete, item);
2617 }
2618 }
2620 g_slist_free (items);
2621 items = NULL;
2623 gchar const* attributeName = apply_clip_path ? "clip-path" : "mask";
2624 for (GSList *i = apply_to_items; NULL != i; i = i->next) {
2625 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2626 // inverted object transform should be applied to a mask object,
2627 // as mask is calculated in user space (after applying transform)
2628 NR::Matrix maskTransform (item->transform.inverse());
2630 GSList *mask_items_dup = NULL;
2631 for (GSList *mask_item = mask_items; NULL != mask_item; mask_item = mask_item->next) {
2632 Inkscape::XML::Node *dup = reinterpret_cast<Inkscape::XML::Node *>(mask_item->data)->duplicate();
2633 mask_items_dup = g_slist_prepend (mask_items_dup, dup);
2634 }
2636 const gchar *mask_id = NULL;
2637 if (apply_clip_path) {
2638 mask_id = sp_clippath_create(mask_items_dup, document, &maskTransform);
2639 } else {
2640 mask_id = sp_mask_create(mask_items_dup, document, &maskTransform);
2641 }
2643 g_slist_free (mask_items_dup);
2644 mask_items_dup = NULL;
2646 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, g_strdup_printf("url(#%s)", mask_id));
2647 }
2649 g_slist_free (mask_items);
2650 g_slist_free (apply_to_items);
2652 for (GSList *i = items_to_delete; NULL != i; i = i->next) {
2653 SPObject *item = SP_OBJECT (i->data);
2654 item->deleteObject (false);
2655 }
2656 g_slist_free (items_to_delete);
2658 if (apply_clip_path)
2659 sp_document_done (document, SP_VERB_OBJECT_SET_CLIPPATH, _("Set clipping path"));
2660 else
2661 sp_document_done (document, SP_VERB_OBJECT_SET_MASK, _("Set mask"));
2662 }
2664 void sp_selection_unset_mask(bool apply_clip_path) {
2665 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2666 if (desktop == NULL)
2667 return;
2669 SPDocument *document = sp_desktop_document(desktop);
2670 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2672 // check if something is selected
2673 if (selection->isEmpty()) {
2674 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove clippath or mask from."));
2675 return;
2676 }
2678 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2679 sp_document_ensure_up_to_date(document);
2681 gchar const* attributeName = apply_clip_path ? "clip-path" : "mask";
2682 std::map<SPObject*,SPItem*> referenced_objects;
2683 for (GSList const*i = selection->itemList(); NULL != i; i = i->next) {
2684 if (remove_original) {
2685 // remember referenced mask/clippath, so orphaned masks can be moved back to document
2686 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2687 Inkscape::URIReference *uri_ref = NULL;
2689 if (apply_clip_path) {
2690 uri_ref = item->clip_ref;
2691 } else {
2692 uri_ref = item->mask_ref;
2693 }
2695 // collect distinct mask object (and associate with item to apply transform)
2696 if (NULL != uri_ref && NULL != uri_ref->getObject()) {
2697 referenced_objects[uri_ref->getObject()] = item;
2698 }
2699 }
2701 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, "none");
2702 }
2704 // restore mask objects into a document
2705 for ( std::map<SPObject*,SPItem*>::iterator it = referenced_objects.begin() ; it != referenced_objects.end() ; ++it) {
2706 SPObject *obj = (*it).first;
2707 GSList *items_to_move = NULL;
2708 for (SPObject *child = sp_object_first_child(obj) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2709 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate();
2710 items_to_move = g_slist_prepend (items_to_move, copy);
2711 }
2713 if (!obj->isReferenced()) {
2714 // delete from defs if no other object references this mask
2715 obj->deleteObject(false);
2716 }
2718 // remember parent and position of the item to which the clippath/mask was applied
2719 Inkscape::XML::Node *parent = SP_OBJECT_REPR((*it).second)->parent();
2720 gint pos = SP_OBJECT_REPR((*it).second)->position();
2722 for (GSList *i = items_to_move; NULL != i; i = i->next) {
2723 Inkscape::XML::Node *repr = (Inkscape::XML::Node *)i->data;
2725 // insert into parent, restore pos
2726 parent->appendChild(repr);
2727 repr->setPosition((pos + 1) > 0 ? (pos + 1) : 0);
2729 SPItem *mask_item = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(repr);
2730 selection->add(repr);
2732 // transform mask, so it is moved the same spot where mask was applied
2733 NR::Matrix transform (mask_item->transform);
2734 transform *= (*it).second->transform;
2735 sp_item_write_transform(mask_item, SP_OBJECT_REPR(mask_item), transform);
2736 }
2738 g_slist_free (items_to_move);
2739 }
2741 if (apply_clip_path)
2742 sp_document_done (document, SP_VERB_OBJECT_UNSET_CLIPPATH, _("Release clipping path"));
2743 else
2744 sp_document_done (document, SP_VERB_OBJECT_UNSET_MASK, _("Release mask"));
2745 }
2747 void fit_canvas_to_selection(SPDesktop *desktop) {
2748 g_return_if_fail(desktop != NULL);
2749 SPDocument *doc = sp_desktop_document(desktop);
2751 g_return_if_fail(doc != NULL);
2752 g_return_if_fail(desktop->selection != NULL);
2753 g_return_if_fail(!desktop->selection->isEmpty());
2754 NRRect bbox = {0,0,0,0};
2756 desktop->selection->bounds(&bbox);
2757 if (!empty(bbox)) {
2758 doc->fitToRect(bbox);
2759 }
2760 };
2762 void fit_canvas_to_drawing(SPDocument *doc) {
2763 g_return_if_fail(doc != NULL);
2764 NRRect bbox = {0,0,0,0};
2766 sp_document_ensure_up_to_date (doc);
2767 sp_item_invoke_bbox(SP_ITEM(doc->root), &bbox, sp_item_i2r_affine(SP_ITEM(doc->root)), TRUE);
2769 if (!empty(bbox)) {
2770 doc->fitToRect(bbox);
2771 }
2772 };
2774 void fit_canvas_to_selection_or_drawing(SPDesktop *desktop) {
2775 g_return_if_fail(desktop != NULL);
2776 SPDocument *doc = sp_desktop_document(desktop);
2778 g_return_if_fail(doc != NULL);
2779 g_return_if_fail(desktop->selection != NULL);
2781 if (desktop->selection->isEmpty()) {
2782 fit_canvas_to_drawing(doc);
2783 } else {
2784 fit_canvas_to_selection(desktop);
2785 }
2787 sp_document_done(doc, SP_VERB_FIT_CANVAS_TO_DRAWING,
2788 _("Fit page to selection"));
2789 };
2791 /*
2792 Local Variables:
2793 mode:c++
2794 c-file-style:"stroustrup"
2795 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
2796 indent-tabs-mode:nil
2797 fill-column:99
2798 End:
2799 */
2800 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :