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 "layer-fns.h"
69 #include "context-fns.h"
70 #include <map>
71 #include "helper/units.h"
72 #include "sp-item.h"
73 using NR::X;
74 using NR::Y;
76 #include "selection-chemistry.h"
78 /* fixme: find a better place */
79 GSList *clipboard = NULL;
80 GSList *defs_clipboard = NULL;
81 SPCSSAttr *style_clipboard = NULL;
82 NR::Rect size_clipboard(NR::Point(0,0), NR::Point(0,0));
84 static void sp_copy_stuff_used_by_item(GSList **defs_clip, SPItem *item, const GSList *items);
86 void sp_selection_copy_one (Inkscape::XML::Node *repr, NR::Matrix full_t, GSList **clip)
87 {
88 Inkscape::XML::Node *copy = repr->duplicate();
90 // copy complete inherited style
91 SPCSSAttr *css = sp_repr_css_attr_inherited(repr, "style");
92 sp_repr_css_set(copy, css, "style");
93 sp_repr_css_attr_unref(css);
95 // write the complete accummulated transform passed to us
96 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
97 gchar affinestr[80];
98 if (sp_svg_transform_write(affinestr, 79, full_t)) {
99 copy->setAttribute("transform", affinestr);
100 } else {
101 copy->setAttribute("transform", NULL);
102 }
104 *clip = g_slist_prepend(*clip, copy);
105 }
107 void sp_selection_copy_impl (const GSList *items, GSList **clip, GSList **defs_clip, SPCSSAttr **style_clip)
108 {
110 // Copy stuff referenced by all items to defs_clip:
111 if (defs_clip) {
112 for (GSList *i = (GSList *) items; i != NULL; i = i->next) {
113 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (i->data), items);
114 }
115 *defs_clip = g_slist_reverse(*defs_clip);
116 }
118 // Store style:
119 if (style_clip) {
120 SPItem *item = SP_ITEM (items->data); // take from the first selected item
121 *style_clip = take_style_from_item (item);
122 }
124 if (clip) {
125 // Sort items:
126 GSList *sorted_items = g_slist_copy ((GSList *) items);
127 sorted_items = g_slist_sort((GSList *) sorted_items, (GCompareFunc) sp_object_compare_position);
129 // Copy item reprs:
130 for (GSList *i = (GSList *) sorted_items; i != NULL; i = i->next) {
131 sp_selection_copy_one (SP_OBJECT_REPR (i->data), sp_item_i2doc_affine(SP_ITEM (i->data)), clip);
132 }
134 *clip = g_slist_reverse(*clip);
135 g_slist_free ((GSList *) sorted_items);
136 }
137 }
139 /**
140 Add gradients/patterns/markers referenced by copied objects to defs
141 */
142 void
143 paste_defs (GSList **defs_clip, SPDocument *doc)
144 {
145 if (!defs_clip)
146 return;
148 for (GSList *gl = *defs_clip; gl != NULL; gl = gl->next) {
149 SPDefs *defs= (SPDefs *) SP_DOCUMENT_DEFS(doc);
150 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) gl->data;
151 gchar const *id = repr->attribute("id");
152 if (!id || !doc->getObjectById(id)) {
153 Inkscape::XML::Node *copy = repr->duplicate();
154 SP_OBJECT_REPR(defs)->addChild(copy, NULL);
155 Inkscape::GC::release(copy);
156 }
157 }
158 }
160 GSList *sp_selection_paste_impl (SPDocument *document, SPObject *parent, GSList **clip, GSList **defs_clip)
161 {
162 paste_defs (defs_clip, document);
164 GSList *copied = NULL;
165 // add objects to document
166 for (GSList *l = *clip; l != NULL; l = l->next) {
167 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
168 Inkscape::XML::Node *copy = repr->duplicate();
170 // premultiply the item transform by the accumulated parent transform in the paste layer
171 NR::Matrix local = sp_item_i2doc_affine(SP_ITEM(parent));
172 if (!local.test_identity()) {
173 gchar const *t_str = copy->attribute("transform");
174 NR::Matrix item_t (NR::identity());
175 if (t_str)
176 sp_svg_transform_read(t_str, &item_t);
177 item_t *= local.inverse();
178 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
179 gchar affinestr[80];
180 if (sp_svg_transform_write(affinestr, 79, item_t)) {
181 copy->setAttribute("transform", affinestr);
182 } else {
183 copy->setAttribute("transform", NULL);
184 }
185 }
187 parent->appendChildRepr(copy);
188 copied = g_slist_prepend(copied, copy);
189 Inkscape::GC::release(copy);
190 }
191 return copied;
192 }
194 void sp_selection_delete_impl(const GSList *items)
195 {
196 for (const GSList *i = items ; i ; i = i->next ) {
197 sp_object_ref((SPObject *)i->data, NULL);
198 }
199 for (const GSList *i = items; i != NULL; i = i->next) {
200 SPItem *item = (SPItem *) i->data;
201 SP_OBJECT(item)->deleteObject();
202 sp_object_unref((SPObject *)item, NULL);
203 }
204 }
207 void sp_selection_delete()
208 {
209 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
210 if (desktop == NULL) {
211 return;
212 }
214 if (tools_isactive (desktop, TOOLS_TEXT))
215 if (sp_text_delete_selection(desktop->event_context)) {
216 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_TEXT,
217 _("Delete text"));
218 return;
219 }
221 Inkscape::Selection *selection = sp_desktop_selection(desktop);
223 // check if something is selected
224 if (selection->isEmpty()) {
225 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Nothing</b> was deleted."));
226 return;
227 }
229 const GSList *selected = g_slist_copy(const_cast<GSList *>(selection->itemList()));
230 selection->clear();
231 sp_selection_delete_impl (selected);
232 g_slist_free ((GSList *) selected);
234 /* a tool may have set up private information in it's selection context
235 * that depends on desktop items. I think the only sane way to deal with
236 * this currently is to reset the current tool, which will reset it's
237 * associated selection context. For example: deleting an object
238 * while moving it around the canvas.
239 */
240 tools_switch ( desktop, tools_active ( desktop ) );
242 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DELETE,
243 _("Delete"));
244 }
246 /* fixme: sequencing */
247 void sp_selection_duplicate()
248 {
249 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
250 if (desktop == NULL)
251 return;
253 Inkscape::Selection *selection = sp_desktop_selection(desktop);
255 // check if something is selected
256 if (selection->isEmpty()) {
257 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to duplicate."));
258 return;
259 }
261 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
263 selection->clear();
265 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
266 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
268 GSList *newsel = NULL;
270 while (reprs) {
271 Inkscape::XML::Node *parent = ((Inkscape::XML::Node *) reprs->data)->parent();
272 Inkscape::XML::Node *copy = ((Inkscape::XML::Node *) reprs->data)->duplicate();
274 parent->appendChild(copy);
276 newsel = g_slist_prepend(newsel, copy);
277 reprs = g_slist_remove(reprs, reprs->data);
278 Inkscape::GC::release(copy);
279 }
281 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DUPLICATE,
282 _("Duplicate"));
284 selection->setReprList(newsel);
286 g_slist_free(newsel);
287 }
289 void sp_edit_clear_all()
290 {
291 SPDesktop *dt = SP_ACTIVE_DESKTOP;
292 if (!dt)
293 return;
295 SPDocument *doc = sp_desktop_document(dt);
296 sp_desktop_selection(dt)->clear();
298 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
299 GSList *items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
301 while (items) {
302 SP_OBJECT (items->data)->deleteObject();
303 items = g_slist_remove(items, items->data);
304 }
306 sp_document_done(doc, SP_VERB_EDIT_CLEAR_ALL,
307 _("Delete all"));
308 }
310 GSList *
311 get_all_items (GSList *list, SPObject *from, SPDesktop *desktop, bool onlyvisible, bool onlysensitive, const GSList *exclude)
312 {
313 for (SPObject *child = sp_object_first_child(SP_OBJECT(from)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
314 if (SP_IS_ITEM(child) &&
315 !desktop->isLayer(SP_ITEM(child)) &&
316 (!onlysensitive || !SP_ITEM(child)->isLocked()) &&
317 (!onlyvisible || !desktop->itemIsHidden(SP_ITEM(child))) &&
318 (!exclude || !g_slist_find ((GSList *) exclude, child))
319 )
320 {
321 list = g_slist_prepend (list, SP_ITEM(child));
322 }
324 if (SP_IS_ITEM(child) && desktop->isLayer(SP_ITEM(child))) {
325 list = get_all_items (list, child, desktop, onlyvisible, onlysensitive, exclude);
326 }
327 }
329 return list;
330 }
332 void sp_edit_select_all_full (bool force_all_layers, bool invert)
333 {
334 SPDesktop *dt = SP_ACTIVE_DESKTOP;
335 if (!dt)
336 return;
338 Inkscape::Selection *selection = sp_desktop_selection(dt);
340 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
342 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
343 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
344 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
346 GSList *items = NULL;
348 const GSList *exclude = NULL;
349 if (invert) {
350 exclude = selection->itemList();
351 }
353 if (force_all_layers)
354 inlayer = PREFS_SELECTION_ALL;
356 switch (inlayer) {
357 case PREFS_SELECTION_LAYER: {
358 if ( (onlysensitive && SP_ITEM(dt->currentLayer())->isLocked()) ||
359 (onlyvisible && dt->itemIsHidden(SP_ITEM(dt->currentLayer()))) )
360 return;
362 GSList *all_items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
364 for (GSList *i = all_items; i; i = i->next) {
365 SPItem *item = SP_ITEM (i->data);
367 if (item && (!onlysensitive || !item->isLocked())) {
368 if (!onlyvisible || !dt->itemIsHidden(item)) {
369 if (!dt->isLayer(item)) {
370 if (!invert || !g_slist_find ((GSList *) exclude, item)) {
371 items = g_slist_prepend (items, item); // leave it in the list
372 }
373 }
374 }
375 }
376 }
378 g_slist_free (all_items);
379 break;
380 }
381 case PREFS_SELECTION_LAYER_RECURSIVE: {
382 items = get_all_items (NULL, dt->currentLayer(), dt, onlyvisible, onlysensitive, exclude);
383 break;
384 }
385 default: {
386 items = get_all_items (NULL, dt->currentRoot(), dt, onlyvisible, onlysensitive, exclude);
387 break;
388 }
389 }
391 selection->setList (items);
393 if (items) {
394 g_slist_free (items);
395 }
396 }
398 void sp_edit_select_all ()
399 {
400 sp_edit_select_all_full (false, false);
401 }
403 void sp_edit_select_all_in_all_layers ()
404 {
405 sp_edit_select_all_full (true, false);
406 }
408 void sp_edit_invert ()
409 {
410 sp_edit_select_all_full (false, true);
411 }
413 void sp_edit_invert_in_all_layers ()
414 {
415 sp_edit_select_all_full (true, true);
416 }
418 void sp_selection_group()
419 {
420 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
421 if (desktop == NULL)
422 return;
424 SPDocument *document = sp_desktop_document (desktop);
426 Inkscape::Selection *selection = sp_desktop_selection(desktop);
428 // Check if something is selected.
429 if (selection->isEmpty()) {
430 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>two or more objects</b> to group."));
431 return;
432 }
434 GSList const *l = (GSList *) selection->reprList();
436 // Check if at least two objects are selected.
437 if (l->next == NULL) {
438 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>at least two objects</b> to group."));
439 return;
440 }
442 GSList *p = g_slist_copy((GSList *) l);
444 selection->clear();
446 p = g_slist_sort(p, (GCompareFunc) sp_repr_compare_position);
448 // Remember the position and parent of the topmost object.
449 gint topmost = ((Inkscape::XML::Node *) g_slist_last(p)->data)->position();
450 Inkscape::XML::Node *topmost_parent = ((Inkscape::XML::Node *) g_slist_last(p)->data)->parent();
452 Inkscape::XML::Node *group = sp_repr_new("svg:g");
454 while (p) {
455 Inkscape::XML::Node *current = (Inkscape::XML::Node *) p->data;
457 if (current->parent() == topmost_parent) {
458 Inkscape::XML::Node *spnew = current->duplicate();
459 sp_repr_unparent(current);
460 group->appendChild(spnew);
461 Inkscape::GC::release(spnew);
462 topmost --; // only reduce count for those items deleted from topmost_parent
463 } else { // move it to topmost_parent first
464 GSList *temp_clip = NULL;
466 // At this point, current may already have no item, due to its being a clone whose original is already moved away
467 // So we copy it artificially calculating the transform from its repr->attr("transform") and the parent transform
468 gchar const *t_str = current->attribute("transform");
469 NR::Matrix item_t (NR::identity());
470 if (t_str)
471 sp_svg_transform_read(t_str, &item_t);
472 item_t *= sp_item_i2doc_affine(SP_ITEM(document->getObjectByRepr(current->parent())));
473 //FIXME: when moving both clone and original from a transformed group (either by
474 //grouping into another parent, or by cut/paste) the transform from the original's
475 //parent becomes embedded into original itself, and this affects its clones. Fix
476 //this by remembering the transform diffs we write to each item into an array and
477 //then, if this is clone, looking up its original in that array and pre-multiplying
478 //it by the inverse of that original's transform diff.
480 sp_selection_copy_one (current, item_t, &temp_clip);
481 sp_repr_unparent(current);
483 // paste into topmost_parent (temporarily)
484 GSList *copied = sp_selection_paste_impl (document, document->getObjectByRepr(topmost_parent), &temp_clip, NULL);
485 if (temp_clip) g_slist_free (temp_clip);
486 if (copied) { // if success,
487 // take pasted object (now in topmost_parent)
488 Inkscape::XML::Node *in_topmost = (Inkscape::XML::Node *) copied->data;
489 // make a copy
490 Inkscape::XML::Node *spnew = in_topmost->duplicate();
491 // remove pasted
492 sp_repr_unparent(in_topmost);
493 // put its copy into group
494 group->appendChild(spnew);
495 Inkscape::GC::release(spnew);
496 g_slist_free (copied);
497 }
498 }
499 p = g_slist_remove(p, current);
500 }
502 // Add the new group to the topmost members' parent
503 topmost_parent->appendChild(group);
505 // Move to the position of the topmost, reduced by the number of items deleted from topmost_parent
506 group->setPosition(topmost + 1);
508 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_GROUP,
509 _("Group"));
511 selection->set(group);
512 Inkscape::GC::release(group);
513 }
515 void sp_selection_ungroup()
516 {
517 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
518 if (desktop == NULL)
519 return;
521 Inkscape::Selection *selection = sp_desktop_selection(desktop);
523 if (selection->isEmpty()) {
524 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>group</b> to ungroup."));
525 return;
526 }
528 GSList *items = g_slist_copy((GSList *) selection->itemList());
529 selection->clear();
531 // Get a copy of current selection.
532 GSList *new_select = NULL;
533 bool ungrouped = false;
534 for (GSList *i = items;
535 i != NULL;
536 i = i->next)
537 {
538 SPItem *group = (SPItem *) i->data;
540 // when ungrouping cloned groups with their originals, some objects that were selected may no more exist due to unlinking
541 if (!SP_IS_OBJECT(group)) {
542 continue;
543 }
545 /* We do not allow ungrouping <svg> etc. (lauris) */
546 if (strcmp(SP_OBJECT_REPR(group)->name(), "svg:g") && strcmp(SP_OBJECT_REPR(group)->name(), "svg:switch")) {
547 // keep the non-group item in the new selection
548 selection->add(group);
549 continue;
550 }
552 GSList *children = NULL;
553 /* This is not strictly required, but is nicer to rely on group ::destroy (lauris) */
554 sp_item_group_ungroup(SP_GROUP(group), &children, false);
555 ungrouped = true;
556 // Add ungrouped items to the new selection.
557 new_select = g_slist_concat(new_select, children);
558 }
560 if (new_select) { // Set new selection.
561 selection->addList(new_select);
562 g_slist_free(new_select);
563 }
564 if (!ungrouped) {
565 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No groups</b> to ungroup in the selection."));
566 }
568 g_slist_free(items);
570 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_UNGROUP,
571 _("Ungroup"));
572 }
574 static SPGroup *
575 sp_item_list_common_parent_group(const GSList *items)
576 {
577 if (!items) {
578 return NULL;
579 }
580 SPObject *parent = SP_OBJECT_PARENT(items->data);
581 /* Strictly speaking this CAN happen, if user selects <svg> from XML editor */
582 if (!SP_IS_GROUP(parent)) {
583 return NULL;
584 }
585 for (items = items->next; items; items = items->next) {
586 if (SP_OBJECT_PARENT(items->data) != parent) {
587 return NULL;
588 }
589 }
591 return SP_GROUP(parent);
592 }
594 /** Finds out the minimum common bbox of the selected items
595 */
596 NR::Rect
597 enclose_items(const GSList *items)
598 {
599 g_assert(items != NULL);
601 NR::Rect r = sp_item_bbox_desktop((SPItem *) items->data);
603 for (GSList *i = items->next; i; i = i->next) {
604 r = NR::Rect::union_bounds(r, sp_item_bbox_desktop((SPItem *) i->data));
605 }
607 return r;
608 }
610 SPObject *
611 prev_sibling(SPObject *child)
612 {
613 SPObject *parent = SP_OBJECT_PARENT(child);
614 if (!SP_IS_GROUP(parent)) {
615 return NULL;
616 }
617 for ( SPObject *i = sp_object_first_child(parent) ; i; i = SP_OBJECT_NEXT(i) ) {
618 if (i->next == child)
619 return i;
620 }
621 return NULL;
622 }
624 void
625 sp_selection_raise()
626 {
627 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
628 if (!desktop)
629 return;
631 Inkscape::Selection *selection = sp_desktop_selection(desktop);
633 GSList const *items = (GSList *) selection->itemList();
634 if (!items) {
635 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise."));
636 return;
637 }
639 SPGroup const *group = sp_item_list_common_parent_group(items);
640 if (!group) {
641 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
642 return;
643 }
645 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
647 /* construct reverse-ordered list of selected children */
648 GSList *rev = g_slist_copy((GSList *) items);
649 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
651 // find out the common bbox of the selected items
652 NR::Rect selected = enclose_items(items);
654 // for all objects in the selection (starting from top)
655 while (rev) {
656 SPObject *child = SP_OBJECT(rev->data);
657 // for each selected object, find the next sibling
658 for (SPObject *newref = child->next; newref; newref = newref->next) {
659 // if the sibling is an item AND overlaps our selection,
660 if (SP_IS_ITEM(newref) && selected.intersects(sp_item_bbox_desktop(SP_ITEM(newref)))) {
661 // AND if it's not one of our selected objects,
662 if (!g_slist_find((GSList *) items, newref)) {
663 // move the selected object after that sibling
664 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(newref));
665 }
666 break;
667 }
668 }
669 rev = g_slist_remove(rev, child);
670 }
672 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_RAISE,
673 _("Raise"));
674 }
676 void sp_selection_raise_to_top()
677 {
678 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
679 if (desktop == NULL)
680 return;
682 SPDocument *document = sp_desktop_document(desktop);
683 Inkscape::Selection *selection = sp_desktop_selection(desktop);
685 if (selection->isEmpty()) {
686 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise to top."));
687 return;
688 }
690 GSList const *items = (GSList *) selection->itemList();
692 SPGroup const *group = sp_item_list_common_parent_group(items);
693 if (!group) {
694 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
695 return;
696 }
698 GSList *rl = g_slist_copy((GSList *) selection->reprList());
699 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
701 for (GSList *l = rl; l != NULL; l = l->next) {
702 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
703 repr->setPosition(-1);
704 }
706 g_slist_free(rl);
708 sp_document_done(document, SP_VERB_SELECTION_TO_FRONT,
709 _("Raise to top"));
710 }
712 void
713 sp_selection_lower()
714 {
715 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
716 if (desktop == NULL)
717 return;
719 Inkscape::Selection *selection = sp_desktop_selection(desktop);
721 GSList const *items = (GSList *) selection->itemList();
722 if (!items) {
723 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower."));
724 return;
725 }
727 SPGroup const *group = sp_item_list_common_parent_group(items);
728 if (!group) {
729 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
730 return;
731 }
733 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
735 // find out the common bbox of the selected items
736 NR::Rect selected = enclose_items(items);
738 /* construct direct-ordered list of selected children */
739 GSList *rev = g_slist_copy((GSList *) items);
740 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
741 rev = g_slist_reverse(rev);
743 // for all objects in the selection (starting from top)
744 while (rev) {
745 SPObject *child = SP_OBJECT(rev->data);
746 // for each selected object, find the prev sibling
747 for (SPObject *newref = prev_sibling(child); newref; newref = prev_sibling(newref)) {
748 // if the sibling is an item AND overlaps our selection,
749 if (SP_IS_ITEM(newref) && selected.intersects(sp_item_bbox_desktop(SP_ITEM(newref)))) {
750 // AND if it's not one of our selected objects,
751 if (!g_slist_find((GSList *) items, newref)) {
752 // move the selected object before that sibling
753 SPObject *put_after = prev_sibling(newref);
754 if (put_after)
755 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(put_after));
756 else
757 SP_OBJECT_REPR(child)->setPosition(0);
758 }
759 break;
760 }
761 }
762 rev = g_slist_remove(rev, child);
763 }
765 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_LOWER,
766 _("Lower"));
768 }
770 void sp_selection_lower_to_bottom()
771 {
772 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
773 if (desktop == NULL)
774 return;
776 SPDocument *document = sp_desktop_document(desktop);
777 Inkscape::Selection *selection = sp_desktop_selection(desktop);
779 if (selection->isEmpty()) {
780 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower to bottom."));
781 return;
782 }
784 GSList const *items = (GSList *) selection->itemList();
786 SPGroup const *group = sp_item_list_common_parent_group(items);
787 if (!group) {
788 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
789 return;
790 }
792 GSList *rl;
793 rl = g_slist_copy((GSList *) selection->reprList());
794 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
795 rl = g_slist_reverse(rl);
797 for (GSList *l = rl; l != NULL; l = l->next) {
798 gint minpos;
799 SPObject *pp, *pc;
800 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
801 pp = document->getObjectByRepr(sp_repr_parent(repr));
802 minpos = 0;
803 g_assert(SP_IS_GROUP(pp));
804 pc = sp_object_first_child(pp);
805 while (!SP_IS_ITEM(pc)) {
806 minpos += 1;
807 pc = pc->next;
808 }
809 repr->setPosition(minpos);
810 }
812 g_slist_free(rl);
814 sp_document_done(document, SP_VERB_SELECTION_TO_BACK,
815 _("Lower to bottom"));
816 }
818 void
819 sp_undo(SPDesktop *desktop, SPDocument *)
820 {
821 if (!sp_document_undo(sp_desktop_document(desktop)))
822 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to undo."));
823 }
825 void
826 sp_redo(SPDesktop *desktop, SPDocument *)
827 {
828 if (!sp_document_redo(sp_desktop_document(desktop)))
829 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to redo."));
830 }
832 void sp_selection_cut()
833 {
834 sp_selection_copy();
835 sp_selection_delete();
836 }
838 void sp_copy_gradient (GSList **defs_clip, SPGradient *gradient)
839 {
840 SPGradient *ref = gradient;
842 while (ref) {
843 // climb up the refs, copying each one in the chain
844 Inkscape::XML::Node *grad_repr = SP_OBJECT_REPR(ref)->duplicate();
845 *defs_clip = g_slist_prepend (*defs_clip, grad_repr);
847 ref = ref->ref->getObject();
848 }
849 }
851 void sp_copy_pattern (GSList **defs_clip, SPPattern *pattern)
852 {
853 SPPattern *ref = pattern;
855 while (ref) {
856 // climb up the refs, copying each one in the chain
857 Inkscape::XML::Node *pattern_repr = SP_OBJECT_REPR(ref)->duplicate();
858 *defs_clip = g_slist_prepend (*defs_clip, pattern_repr);
860 // items in the pattern may also use gradients and other patterns, so we need to recurse here as well
861 for (SPObject *child = sp_object_first_child(SP_OBJECT(ref)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
862 if (!SP_IS_ITEM (child))
863 continue;
864 sp_copy_stuff_used_by_item (defs_clip, (SPItem *) child, NULL);
865 }
867 ref = ref->ref->getObject();
868 }
869 }
871 void sp_copy_single (GSList **defs_clip, SPObject *thing)
872 {
873 Inkscape::XML::Node *duplicate_repr = SP_OBJECT_REPR(thing)->duplicate();
874 *defs_clip = g_slist_prepend (*defs_clip, duplicate_repr);
875 }
878 void sp_copy_textpath_path (GSList **defs_clip, SPTextPath *tp, const GSList *items)
879 {
880 SPItem *path = sp_textpath_get_path_item (tp);
881 if (!path)
882 return;
883 if (items && g_slist_find ((GSList *) items, path)) // do not copy it to defs if it is already in the list of items copied
884 return;
885 Inkscape::XML::Node *repr = SP_OBJECT_REPR(path)->duplicate();
886 *defs_clip = g_slist_prepend (*defs_clip, repr);
887 }
889 void sp_copy_stuff_used_by_item (GSList **defs_clip, SPItem *item, const GSList *items)
890 {
891 SPStyle *style = SP_OBJECT_STYLE (item);
893 if (style && (style->fill.type == SP_PAINT_TYPE_PAINTSERVER)) {
894 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
895 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
896 sp_copy_gradient (defs_clip, SP_GRADIENT(server));
897 if (SP_IS_PATTERN (server))
898 sp_copy_pattern (defs_clip, SP_PATTERN(server));
899 }
901 if (style && (style->stroke.type == SP_PAINT_TYPE_PAINTSERVER)) {
902 SPObject *server = SP_OBJECT_STYLE_STROKE_SERVER(item);
903 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
904 sp_copy_gradient (defs_clip, SP_GRADIENT(server));
905 if (SP_IS_PATTERN (server))
906 sp_copy_pattern (defs_clip, SP_PATTERN(server));
907 }
909 if (SP_IS_SHAPE (item)) {
910 SPShape *shape = SP_SHAPE (item);
911 for (int i = 0 ; i < SP_MARKER_LOC_QTY ; i++) {
912 if (shape->marker[i]) {
913 sp_copy_single (defs_clip, SP_OBJECT (shape->marker[i]));
914 }
915 }
916 }
918 if (SP_IS_TEXT_TEXTPATH (item)) {
919 sp_copy_textpath_path (defs_clip, SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))), items);
920 }
922 if (item->clip_ref->getObject()) {
923 sp_copy_single (defs_clip, item->clip_ref->getObject());
924 }
926 if (item->mask_ref->getObject()) {
927 SPObject *mask = item->mask_ref->getObject();
928 sp_copy_single (defs_clip, mask);
929 // recurse into the mask for its gradients etc.
930 for (SPObject *o = SP_OBJECT(mask)->children; o != NULL; o = o->next) {
931 if (SP_IS_ITEM(o))
932 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items);
933 }
934 }
936 // recurse
937 for (SPObject *o = SP_OBJECT(item)->children; o != NULL; o = o->next) {
938 if (SP_IS_ITEM(o))
939 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items);
940 }
941 }
943 /**
944 * \pre item != NULL
945 */
946 SPCSSAttr *
947 take_style_from_item (SPItem *item)
948 {
949 // write the complete cascaded style, context-free
950 SPCSSAttr *css = sp_css_attr_from_object (SP_OBJECT(item), SP_STYLE_FLAG_ALWAYS);
951 if (css == NULL)
952 return NULL;
954 if ((SP_IS_GROUP(item) && SP_OBJECT(item)->children) ||
955 (SP_IS_TEXT (item) && SP_OBJECT(item)->children && SP_OBJECT(item)->children->next == NULL)) {
956 // if this is a text with exactly one tspan child, merge the style of that tspan as well
957 // If this is a group, merge the style of its topmost (last) child with style
958 for (SPObject *last_element = item->lastChild(); last_element != NULL; last_element = SP_OBJECT_PREV (last_element)) {
959 if (SP_OBJECT_STYLE (last_element) != NULL) {
960 SPCSSAttr *temp = sp_css_attr_from_object (last_element, SP_STYLE_FLAG_IFSET);
961 if (temp) {
962 sp_repr_css_merge (css, temp);
963 sp_repr_css_attr_unref (temp);
964 }
965 break;
966 }
967 }
968 }
969 if (!(SP_IS_TEXT (item) || SP_IS_TSPAN (item) || SP_IS_STRING (item))) {
970 // do not copy text properties from non-text objects, it's confusing
971 css = sp_css_attr_unset_text (css);
972 }
974 // FIXME: also transform gradient/pattern fills, by forking? NO, this must be nondestructive
975 double ex = NR::expansion(sp_item_i2doc_affine(item));
976 if (ex != 1.0) {
977 css = sp_css_attr_scale (css, ex);
978 }
980 return css;
981 }
984 void sp_selection_copy()
985 {
986 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
987 if (desktop == NULL)
988 return;
990 Inkscape::Selection *selection = sp_desktop_selection(desktop);
992 if (tools_isactive (desktop, TOOLS_DROPPER)) {
993 sp_dropper_context_copy(desktop->event_context);
994 return; // copied color under cursor, nothing else to do
995 }
997 // check if something is selected
998 if (selection->isEmpty()) {
999 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing was copied."));
1000 return;
1001 }
1003 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1005 // 0. Copy text to system clipboard
1006 // FIXME: for non-texts, put serialized XML as text to the clipboard;
1007 //for this sp_repr_write_stream needs to be rewritten with iostream instead of FILE
1008 Glib::ustring text;
1009 if (tools_isactive (desktop, TOOLS_TEXT)) {
1010 text = sp_text_get_selected_text(desktop->event_context);
1011 }
1013 if (text.empty()) {
1014 guint texts = 0;
1015 for (GSList *i = (GSList *) items; i; i = i->next) {
1016 SPItem *item = SP_ITEM (i->data);
1017 if (SP_IS_TEXT (item) || SP_IS_FLOWTEXT(item)) {
1018 if (texts > 0) // if more than one text object is copied, separate them by spaces
1019 text += " ";
1020 gchar *this_text = sp_te_get_string_multiline (item);
1021 if (this_text) {
1022 text += this_text;
1023 g_free(this_text);
1024 }
1025 texts++;
1026 }
1027 }
1028 }
1029 if (!text.empty()) {
1030 Glib::RefPtr<Gtk::Clipboard> refClipboard = Gtk::Clipboard::get();
1031 refClipboard->set_text(text);
1032 }
1034 // clear old defs clipboard
1035 while (defs_clipboard) {
1036 Inkscape::GC::release((Inkscape::XML::Node *) defs_clipboard->data);
1037 defs_clipboard = g_slist_remove (defs_clipboard, defs_clipboard->data);
1038 }
1040 // clear style clipboard
1041 if (style_clipboard) {
1042 sp_repr_css_attr_unref (style_clipboard);
1043 style_clipboard = NULL;
1044 }
1046 //clear main clipboard
1047 while (clipboard) {
1048 Inkscape::GC::release((Inkscape::XML::Node *) clipboard->data);
1049 clipboard = g_slist_remove(clipboard, clipboard->data);
1050 }
1052 sp_selection_copy_impl (items, &clipboard, &defs_clipboard, &style_clipboard);
1054 if (tools_isactive (desktop, TOOLS_TEXT)) { // take style from cursor/text selection, overwriting the style just set by copy_impl
1055 SPStyle *const query = sp_style_new();
1056 if (sp_desktop_query_style_all (desktop, query)) {
1057 SPCSSAttr *css = sp_css_attr_from_style (query, SP_STYLE_FLAG_ALWAYS);
1058 if (css != NULL) {
1059 // clear style clipboard
1060 if (style_clipboard) {
1061 sp_repr_css_attr_unref (style_clipboard);
1062 style_clipboard = NULL;
1063 }
1064 //sp_repr_css_print (css);
1065 style_clipboard = css;
1066 }
1067 }
1068 g_free (query);
1069 }
1071 size_clipboard = selection->bounds();
1073 g_slist_free ((GSList *) items);
1074 }
1076 void sp_selection_paste(bool in_place)
1077 {
1078 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1080 if (desktop == NULL) {
1081 return;
1082 }
1084 SPDocument *document = sp_desktop_document(desktop);
1086 if (Inkscape::have_viable_layer(desktop, desktop->messageStack()) == false) {
1087 return;
1088 }
1090 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1092 if (tools_isactive (desktop, TOOLS_TEXT)) {
1093 if (sp_text_paste_inline(desktop->event_context))
1094 return; // pasted from system clipboard into text, nothing else to do
1095 }
1097 // check if something is in the clipboard
1098 if (clipboard == NULL) {
1099 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1100 return;
1101 }
1103 GSList *copied = sp_selection_paste_impl(document, desktop->currentLayer(), &clipboard, &defs_clipboard);
1104 // add pasted objects to selection
1105 selection->setReprList((GSList const *) copied);
1106 g_slist_free (copied);
1108 if (!in_place) {
1109 sp_document_ensure_up_to_date(document);
1111 NR::Point m( desktop->point() - selection->bounds().midpoint() );
1113 /* Snap the offset of the new item(s) to the grid */
1114 /* FIXME: this gridsnap fiddling is a hack. */
1115 Inkscape::GridSnapper &s = desktop->namedview->snap_manager.grid;
1116 gdouble const curr_gridsnap = s.getDistance();
1117 s.setDistance(NR_HUGE);
1118 m = s.freeSnap(Inkscape::Snapper::SNAP_POINT, m, NULL).getPoint();
1119 s.setDistance(curr_gridsnap);
1120 sp_selection_move_relative(selection, m);
1121 }
1123 sp_document_done(document, SP_VERB_EDIT_PASTE,
1124 _("Paste"));
1125 }
1127 void sp_selection_paste_style()
1128 {
1129 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1130 if (desktop == NULL) return;
1132 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1134 // check if something is in the clipboard
1135 if (clipboard == NULL) {
1136 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1137 return;
1138 }
1140 // check if something is selected
1141 if (selection->isEmpty()) {
1142 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste style to."));
1143 return;
1144 }
1146 paste_defs (&defs_clipboard, sp_desktop_document(desktop));
1148 sp_desktop_set_style (desktop, style_clipboard);
1150 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_STYLE,
1151 _("Paste style"));
1152 }
1154 void sp_selection_paste_size (bool apply_x, bool apply_y)
1155 {
1156 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1157 if (desktop == NULL) return;
1159 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1161 // check if something is in the clipboard
1162 if (size_clipboard.extent(NR::X) < 1e-6 || size_clipboard.extent(NR::Y) < 1e-6) {
1163 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1164 return;
1165 }
1167 // check if something is selected
1168 if (selection->isEmpty()) {
1169 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
1170 return;
1171 }
1173 NR::Rect current = selection->bounds();
1174 if (current.extent(NR::X) < 1e-6 || current.extent(NR::Y) < 1e-6) {
1175 return;
1176 }
1178 double scale_x = size_clipboard.extent(NR::X) / current.extent(NR::X);
1179 double scale_y = size_clipboard.extent(NR::Y) / current.extent(NR::Y);
1181 sp_selection_scale_relative (selection, current.midpoint(),
1182 NR::scale(
1183 apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
1184 apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
1186 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_SIZE,
1187 _("Paste size"));
1188 }
1190 void sp_selection_paste_size_separately (bool apply_x, bool apply_y)
1191 {
1192 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1193 if (desktop == NULL) return;
1195 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1197 // check if something is in the clipboard
1198 if (size_clipboard.extent(NR::X) < 1e-6 || size_clipboard.extent(NR::Y) < 1e-6) {
1199 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1200 return;
1201 }
1203 // check if something is selected
1204 if (selection->isEmpty()) {
1205 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
1206 return;
1207 }
1209 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1210 SPItem *item = SP_ITEM(l->data);
1212 NR::Rect current = sp_item_bbox_desktop(item);
1213 if (current.extent(NR::X) < 1e-6 || current.extent(NR::Y) < 1e-6) {
1214 continue;
1215 }
1217 double scale_x = size_clipboard.extent(NR::X) / current.extent(NR::X);
1218 double scale_y = size_clipboard.extent(NR::Y) / current.extent(NR::Y);
1220 sp_item_scale_rel (item,
1221 NR::scale(
1222 apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
1223 apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
1225 }
1227 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_SIZE_SEPARATELY,
1228 _("Paste size separately"));
1229 }
1231 void sp_selection_to_next_layer ()
1232 {
1233 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1235 Inkscape::Selection *selection = sp_desktop_selection(dt);
1237 // check if something is selected
1238 if (selection->isEmpty()) {
1239 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer above."));
1240 return;
1241 }
1243 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1245 bool no_more = false; // Set to true, if no more layers above
1246 SPObject *next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer());
1247 if (next) {
1248 GSList *temp_clip = NULL;
1249 sp_selection_copy_impl (items, &temp_clip, NULL, NULL); // we're in the same doc, so no need to copy defs
1250 sp_selection_delete_impl (items);
1251 next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1252 GSList *copied;
1253 if(next) {
1254 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
1255 } else {
1256 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
1257 no_more = true;
1258 }
1259 selection->setReprList((GSList const *) copied);
1260 g_slist_free (copied);
1261 if (temp_clip) g_slist_free (temp_clip);
1262 if (next) dt->setCurrentLayer(next);
1263 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_NEXT,
1264 _("Raise to next layer"));
1265 } else {
1266 no_more = true;
1267 }
1269 if (no_more) {
1270 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers above."));
1271 }
1273 g_slist_free ((GSList *) items);
1274 }
1276 void sp_selection_to_prev_layer ()
1277 {
1278 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1280 Inkscape::Selection *selection = sp_desktop_selection(dt);
1282 // check if something is selected
1283 if (selection->isEmpty()) {
1284 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer below."));
1285 return;
1286 }
1288 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1290 bool no_more = false; // Set to true, if no more layers below
1291 SPObject *next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer());
1292 if (next) {
1293 GSList *temp_clip = NULL;
1294 sp_selection_copy_impl (items, &temp_clip, NULL, NULL); // we're in the same doc, so no need to copy defs
1295 sp_selection_delete_impl (items);
1296 next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1297 GSList *copied;
1298 if(next) {
1299 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
1300 } else {
1301 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
1302 no_more = true;
1303 }
1304 selection->setReprList((GSList const *) copied);
1305 g_slist_free (copied);
1306 if (temp_clip) g_slist_free (temp_clip);
1307 if (next) dt->setCurrentLayer(next);
1308 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_PREV,
1309 _("Lower to previous layer"));
1310 } else {
1311 no_more = true;
1312 }
1314 if (no_more) {
1315 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers below."));
1316 }
1318 g_slist_free ((GSList *) items);
1319 }
1321 /** Apply matrix to the selection. \a set_i2d is normally true, which means objects are in the
1322 original transform, synced with their reprs, and need to jump to the new transform in one go. A
1323 value of set_i2d==false is only used by seltrans when it's dragging objects live (not outlines); in
1324 that case, items are already in the new position, but the repr is in the old, and this function
1325 then simply updates the repr from item->transform.
1326 */
1327 void sp_selection_apply_affine(Inkscape::Selection *selection, NR::Matrix const &affine, bool set_i2d)
1328 {
1329 if (selection->isEmpty())
1330 return;
1332 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1333 SPItem *item = SP_ITEM(l->data);
1335 NR::Point old_center(0,0);
1336 if (set_i2d && item->isCenterSet())
1337 old_center = item->getCenter();
1339 #if 0 /* Re-enable this once persistent guides have a graphical indication.
1340 At the time of writing, this is the only place to re-enable. */
1341 sp_item_update_cns(*item, selection->desktop());
1342 #endif
1344 // we're moving both a clone and its original
1345 bool transform_clone_with_original = (SP_IS_USE(item) && selection->includes( sp_use_get_original (SP_USE(item)) ));
1346 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)))) ));
1347 bool transform_flowtext_with_frame = (SP_IS_FLOWTEXT(item) && selection->includes( SP_FLOWTEXT(item)->get_frame (NULL))); // only the first frame so far
1348 bool transform_offset_with_source = (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) && selection->includes( sp_offset_get_source (SP_OFFSET(item)) );
1350 // If we're moving a connector, we want to detach it
1351 // from shapes that aren't part of the selection, but
1352 // leave it attached if they are
1353 if (cc_item_is_connector(item)) {
1354 SPItem *attItem[2];
1355 SP_PATH(item)->connEndPair.getAttachedItems(attItem);
1357 for (int n = 0; n < 2; ++n) {
1358 if (!selection->includes(attItem[n])) {
1359 sp_conn_end_detach(item, n);
1360 }
1361 }
1362 }
1364 // "clones are unmoved when original is moved" preference
1365 int compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
1366 bool prefs_unmoved = (compensation == SP_CLONE_COMPENSATION_UNMOVED);
1367 bool prefs_parallel = (compensation == SP_CLONE_COMPENSATION_PARALLEL);
1369 // If this is a clone and it's selected along with its original, do not move it; it will feel the
1370 // transform of its original and respond to it itself. Without this, a clone is doubly
1371 // transformed, very unintuitive.
1372 // Same for textpath if we are also doing ANY transform to its path: do not touch textpath,
1373 // letters cannot be squeezed or rotated anyway, they only refill the changed path.
1374 // Same for linked offset if we are also moving its source: do not move it.
1375 if (transform_textpath_with_path || transform_offset_with_source) {
1376 // restore item->transform field from the repr, in case it was changed by seltrans
1377 sp_object_read_attr (SP_OBJECT (item), "transform");
1379 } else if (transform_flowtext_with_frame) {
1380 // apply the inverse of the region's transform to the <use> so that the flow remains
1381 // the same (even though the output itself gets transformed)
1382 for (SPObject *region = item->firstChild() ; region ; region = SP_OBJECT_NEXT(region)) {
1383 if (!SP_IS_FLOWREGION(region) && !SP_IS_FLOWREGIONEXCLUDE(region))
1384 continue;
1385 for (SPObject *use = region->firstChild() ; use ; use = SP_OBJECT_NEXT(use)) {
1386 if (!SP_IS_USE(use)) continue;
1387 sp_item_write_transform(SP_USE(use), SP_OBJECT_REPR(use), item->transform.inverse(), NULL);
1388 }
1389 }
1390 } else if (transform_clone_with_original) {
1391 // We are transforming a clone along with its original. The below matrix juggling is
1392 // necessary to ensure that they transform as a whole, i.e. the clone's induced
1393 // transform and its move compensation are both cancelled out.
1395 // restore item->transform field from the repr, in case it was changed by seltrans
1396 sp_object_read_attr (SP_OBJECT (item), "transform");
1398 // calculate the matrix we need to apply to the clone to cancel its induced transform from its original
1399 NR::Matrix t = matrix_to_desktop (matrix_from_desktop (affine, item), item);
1400 NR::Matrix t_inv = matrix_to_desktop (matrix_from_desktop (affine.inverse(), item), item);
1401 NR::Matrix result = t_inv * item->transform * t;
1403 if ((prefs_parallel || prefs_unmoved) && affine.is_translation()) {
1404 // we need to cancel out the move compensation, too
1406 // find out the clone move, same as in sp_use_move_compensate
1407 NR::Matrix parent = sp_use_get_parent_transform (SP_USE(item));
1408 NR::Matrix clone_move = parent.inverse() * t * parent;
1410 if (prefs_parallel) {
1411 NR::Matrix move = result * clone_move * t_inv;
1412 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move);
1414 } else if (prefs_unmoved) {
1415 if (SP_IS_USE(sp_use_get_original(SP_USE(item))))
1416 clone_move = NR::identity();
1417 NR::Matrix move = result * clone_move;
1418 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move);
1419 }
1421 } else {
1422 // just apply the result
1423 sp_item_write_transform(item, SP_OBJECT_REPR(item), result, &result);
1424 }
1426 } else {
1427 if (set_i2d) {
1428 sp_item_set_i2d_affine(item, sp_item_i2d_affine(item) * affine);
1429 }
1430 sp_item_write_transform(item, SP_OBJECT_REPR(item), item->transform, NULL);
1431 }
1433 // if we're moving the actual object, not just updating the repr, we can transform the
1434 // center by the same matrix (only necessary for non-translations)
1435 if (set_i2d && item->isCenterSet() && !affine.is_translation()) {
1436 item->setCenter(old_center * affine);
1437 SP_OBJECT(item)->updateRepr();
1438 }
1439 }
1440 }
1442 void sp_selection_remove_transform()
1443 {
1444 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1445 if (desktop == NULL)
1446 return;
1448 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1450 GSList const *l = (GSList *) selection->reprList();
1451 while (l != NULL) {
1452 sp_repr_set_attr((Inkscape::XML::Node*)l->data, "transform", NULL);
1453 l = l->next;
1454 }
1456 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_FLATTEN,
1457 _("Remove transform"));
1458 }
1460 void
1461 sp_selection_scale_absolute(Inkscape::Selection *selection,
1462 double const x0, double const x1,
1463 double const y0, double const y1)
1464 {
1465 if (selection->isEmpty())
1466 return;
1468 NR::Rect const bbox(selection->bounds());
1469 if (bbox.isEmpty()) {
1470 return;
1471 }
1473 NR::translate const p2o(-bbox.min());
1475 NR::scale const newSize(x1 - x0,
1476 y1 - y0);
1477 NR::scale const scale( newSize / NR::scale(bbox.dimensions()) );
1478 NR::translate const o2n(x0, y0);
1479 NR::Matrix const final( p2o * scale * o2n );
1481 sp_selection_apply_affine(selection, final);
1482 }
1485 void sp_selection_scale_relative(Inkscape::Selection *selection, NR::Point const &align, NR::scale const &scale)
1486 {
1487 if (selection->isEmpty())
1488 return;
1490 NR::Rect const bbox(selection->bounds());
1492 if (bbox.isEmpty()) {
1493 return;
1494 }
1496 // FIXME: ARBITRARY LIMIT: don't try to scale above 1 Mpx, it won't display properly and will crash sooner or later anyway
1497 if ( bbox.extent(NR::X) * scale[NR::X] > 1e6 ||
1498 bbox.extent(NR::Y) * scale[NR::Y] > 1e6 )
1499 {
1500 return;
1501 }
1503 NR::translate const n2d(-align);
1504 NR::translate const d2n(align);
1505 NR::Matrix const final( n2d * scale * d2n );
1506 sp_selection_apply_affine(selection, final);
1507 }
1509 void
1510 sp_selection_rotate_relative(Inkscape::Selection *selection, NR::Point const ¢er, gdouble const angle_degrees)
1511 {
1512 NR::translate const d2n(center);
1513 NR::translate const n2d(-center);
1514 NR::rotate const rotate(rotate_degrees(angle_degrees));
1515 NR::Matrix const final( NR::Matrix(n2d) * rotate * d2n );
1516 sp_selection_apply_affine(selection, final);
1517 }
1519 void
1520 sp_selection_skew_relative(Inkscape::Selection *selection, NR::Point const &align, double dx, double dy)
1521 {
1522 NR::translate const d2n(align);
1523 NR::translate const n2d(-align);
1524 NR::Matrix const skew(1, dy,
1525 dx, 1,
1526 0, 0);
1527 NR::Matrix const final( n2d * skew * d2n );
1528 sp_selection_apply_affine(selection, final);
1529 }
1531 void sp_selection_move_relative(Inkscape::Selection *selection, NR::Point const &move)
1532 {
1533 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(move)));
1534 }
1536 void sp_selection_move_relative(Inkscape::Selection *selection, double dx, double dy)
1537 {
1538 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(dx, dy)));
1539 }
1542 /**
1543 * \brief sp_selection_rotate_90
1544 *
1545 * This function rotates selected objects 90 degrees clockwise.
1546 *
1547 */
1549 void sp_selection_rotate_90_cw()
1550 {
1551 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1553 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1555 if (selection->isEmpty())
1556 return;
1558 GSList const *l = selection->itemList();
1559 NR::rotate const rot_neg_90(NR::Point(0, -1));
1560 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1561 SPItem *item = SP_ITEM(l2->data);
1562 sp_item_rotate_rel(item, rot_neg_90);
1563 }
1565 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CCW,
1566 _("Rotate 90° CW"));
1567 }
1570 /**
1571 * \brief sp_selection_rotate_90_ccw
1572 *
1573 * This function rotates selected objects 90 degrees counter-clockwise.
1574 *
1575 */
1577 void sp_selection_rotate_90_ccw()
1578 {
1579 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1581 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1583 if (selection->isEmpty())
1584 return;
1586 GSList const *l = selection->itemList();
1587 NR::rotate const rot_neg_90(NR::Point(0, 1));
1588 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1589 SPItem *item = SP_ITEM(l2->data);
1590 sp_item_rotate_rel(item, rot_neg_90);
1591 }
1593 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CW,
1594 _("Rotate 90° CCW"));
1595 }
1597 void
1598 sp_selection_rotate(Inkscape::Selection *selection, gdouble const angle_degrees)
1599 {
1600 if (selection->isEmpty())
1601 return;
1603 NR::Point center = selection->center();
1605 sp_selection_rotate_relative(selection, center, angle_degrees);
1607 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1608 ( ( angle_degrees > 0 )
1609 ? "selector:rotate:ccw"
1610 : "selector:rotate:cw" ),
1611 SP_VERB_CONTEXT_SELECT,
1612 _("Rotate"));
1613 }
1615 /**
1616 \param angle the angle in "angular pixels", i.e. how many visible pixels must move the outermost point of the rotated object
1617 */
1618 void
1619 sp_selection_rotate_screen(Inkscape::Selection *selection, gdouble angle)
1620 {
1621 if (selection->isEmpty())
1622 return;
1624 NR::Rect const bbox(selection->bounds());
1626 NR::Point center = selection->center();
1628 gdouble const zoom = selection->desktop()->current_zoom();
1629 gdouble const zmove = angle / zoom;
1630 gdouble const r = NR::L2(bbox.max() - center);
1632 gdouble const zangle = 180 * atan2(zmove, r) / M_PI;
1634 sp_selection_rotate_relative(selection, center, zangle);
1636 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1637 ( (angle > 0)
1638 ? "selector:rotate:ccw"
1639 : "selector:rotate:cw" ),
1640 SP_VERB_CONTEXT_SELECT,
1641 _("Rotate by pixels"));
1642 }
1644 void
1645 sp_selection_scale(Inkscape::Selection *selection, gdouble grow)
1646 {
1647 if (selection->isEmpty())
1648 return;
1650 NR::Rect const bbox(selection->bounds());
1651 NR::Point const center(bbox.midpoint());
1652 double const max_len = bbox.maxExtent();
1654 // you can't scale "do nizhe pola" (below zero)
1655 if ( max_len + grow <= 1e-3 ) {
1656 return;
1657 }
1659 double const times = 1.0 + grow / max_len;
1660 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1662 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1663 ( (grow > 0)
1664 ? "selector:scale:larger"
1665 : "selector:scale:smaller" ),
1666 SP_VERB_CONTEXT_SELECT,
1667 _("Scale"));
1668 }
1670 void
1671 sp_selection_scale_screen(Inkscape::Selection *selection, gdouble grow_pixels)
1672 {
1673 sp_selection_scale(selection,
1674 grow_pixels / selection->desktop()->current_zoom());
1675 }
1677 void
1678 sp_selection_scale_times(Inkscape::Selection *selection, gdouble times)
1679 {
1680 if (selection->isEmpty())
1681 return;
1683 NR::Point const center(selection->bounds().midpoint());
1684 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1685 sp_document_done(sp_desktop_document(selection->desktop()), SP_VERB_CONTEXT_SELECT,
1686 _("Scale by whole factor"));
1687 }
1689 void
1690 sp_selection_move(gdouble dx, gdouble dy)
1691 {
1692 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1693 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1694 if (selection->isEmpty()) {
1695 return;
1696 }
1698 sp_selection_move_relative(selection, dx, dy);
1700 if (dx == 0) {
1701 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1702 _("Move vertically"));
1703 } else if (dy == 0) {
1704 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1705 _("Move horizontally"));
1706 } else {
1707 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1708 _("Move"));
1709 }
1710 }
1712 void
1713 sp_selection_move_screen(gdouble dx, gdouble dy)
1714 {
1715 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1717 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1718 if (selection->isEmpty()) {
1719 return;
1720 }
1722 // same as sp_selection_move but divide deltas by zoom factor
1723 gdouble const zoom = desktop->current_zoom();
1724 gdouble const zdx = dx / zoom;
1725 gdouble const zdy = dy / zoom;
1726 sp_selection_move_relative(selection, zdx, zdy);
1728 if (dx == 0) {
1729 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1730 _("Nudge vertically by pixels"));
1731 } else if (dy == 0) {
1732 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1733 _("Nudge horizontally by pixels"));
1734 } else {
1735 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1736 _("Move"));
1737 }
1738 }
1740 namespace {
1742 template <typename D>
1743 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1744 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1746 template <typename D>
1747 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items, SPObject *root,
1748 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1750 struct Forward {
1751 typedef SPObject *Iterator;
1753 static Iterator children(SPObject *o) { return sp_object_first_child(o); }
1754 static Iterator siblings_after(SPObject *o) { return SP_OBJECT_NEXT(o); }
1755 static void dispose(Iterator i) {}
1757 static SPObject *object(Iterator i) { return i; }
1758 static Iterator next(Iterator i) { return SP_OBJECT_NEXT(i); }
1759 };
1761 struct Reverse {
1762 typedef GSList *Iterator;
1764 static Iterator children(SPObject *o) {
1765 return make_list(o->firstChild(), NULL);
1766 }
1767 static Iterator siblings_after(SPObject *o) {
1768 return make_list(SP_OBJECT_PARENT(o)->firstChild(), o);
1769 }
1770 static void dispose(Iterator i) {
1771 g_slist_free(i);
1772 }
1774 static SPObject *object(Iterator i) {
1775 return reinterpret_cast<SPObject *>(i->data);
1776 }
1777 static Iterator next(Iterator i) { return i->next; }
1779 private:
1780 static GSList *make_list(SPObject *object, SPObject *limit) {
1781 GSList *list=NULL;
1782 while ( object != limit ) {
1783 list = g_slist_prepend(list, object);
1784 object = SP_OBJECT_NEXT(object);
1785 }
1786 return list;
1787 }
1788 };
1790 }
1792 void
1793 sp_selection_item_next(void)
1794 {
1795 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1796 g_return_if_fail(desktop != NULL);
1797 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1799 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1800 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1801 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1803 SPObject *root;
1804 if (PREFS_SELECTION_ALL != inlayer) {
1805 root = selection->activeContext();
1806 } else {
1807 root = desktop->currentRoot();
1808 }
1810 SPItem *item=next_item_from_list<Forward>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1812 if (item) {
1813 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1814 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1815 scroll_to_show_item(desktop, item);
1816 }
1817 }
1818 }
1820 void
1821 sp_selection_item_prev(void)
1822 {
1823 SPDocument *document = SP_ACTIVE_DOCUMENT;
1824 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1825 g_return_if_fail(document != NULL);
1826 g_return_if_fail(desktop != NULL);
1827 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1829 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1830 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1831 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1833 SPObject *root;
1834 if (PREFS_SELECTION_ALL != inlayer) {
1835 root = selection->activeContext();
1836 } else {
1837 root = desktop->currentRoot();
1838 }
1840 SPItem *item=next_item_from_list<Reverse>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1842 if (item) {
1843 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1844 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1845 scroll_to_show_item(desktop, item);
1846 }
1847 }
1848 }
1850 namespace {
1852 template <typename D>
1853 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items,
1854 SPObject *root, bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1855 {
1856 SPObject *current=root;
1857 while (items) {
1858 SPItem *item=SP_ITEM(items->data);
1859 if ( root->isAncestorOf(item) &&
1860 ( !only_in_viewport || desktop->isWithinViewport(item) ) )
1861 {
1862 current = item;
1863 break;
1864 }
1865 items = items->next;
1866 }
1868 GSList *path=NULL;
1869 while ( current != root ) {
1870 path = g_slist_prepend(path, current);
1871 current = SP_OBJECT_PARENT(current);
1872 }
1874 SPItem *next;
1875 // first, try from the current object
1876 next = next_item<D>(desktop, path, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1877 g_slist_free(path);
1879 if (!next) { // if we ran out of objects, start over at the root
1880 next = next_item<D>(desktop, NULL, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1881 }
1883 return next;
1884 }
1886 template <typename D>
1887 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1888 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1889 {
1890 typename D::Iterator children;
1891 typename D::Iterator iter;
1893 SPItem *found=NULL;
1895 if (path) {
1896 SPObject *object=reinterpret_cast<SPObject *>(path->data);
1897 g_assert(SP_OBJECT_PARENT(object) == root);
1898 if (desktop->isLayer(object)) {
1899 found = next_item<D>(desktop, path->next, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1900 }
1901 iter = children = D::siblings_after(object);
1902 } else {
1903 iter = children = D::children(root);
1904 }
1906 while ( iter && !found ) {
1907 SPObject *object=D::object(iter);
1908 if (desktop->isLayer(object)) {
1909 if (PREFS_SELECTION_LAYER != inlayer) { // recurse into sublayers
1910 found = next_item<D>(desktop, NULL, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1911 }
1912 } else if ( SP_IS_ITEM(object) &&
1913 ( !only_in_viewport || desktop->isWithinViewport(SP_ITEM(object)) ) &&
1914 ( !onlyvisible || !desktop->itemIsHidden(SP_ITEM(object))) &&
1915 ( !onlysensitive || !SP_ITEM(object)->isLocked()) &&
1916 !desktop->isLayer(SP_ITEM(object)) )
1917 {
1918 found = SP_ITEM(object);
1919 }
1920 iter = D::next(iter);
1921 }
1923 D::dispose(children);
1925 return found;
1926 }
1928 }
1930 /**
1931 * If \a item is not entirely visible then adjust visible area to centre on the centre on of
1932 * \a item.
1933 */
1934 void scroll_to_show_item(SPDesktop *desktop, SPItem *item)
1935 {
1936 NR::Rect dbox = desktop->get_display_area();
1937 NR::Rect sbox = sp_item_bbox_desktop(item);
1939 if (dbox.contains(sbox) == false) {
1940 NR::Point const s_dt = sbox.midpoint();
1941 NR::Point const s_w = desktop->d2w(s_dt);
1942 NR::Point const d_dt = dbox.midpoint();
1943 NR::Point const d_w = desktop->d2w(d_dt);
1944 NR::Point const moved_w( d_w - s_w );
1945 gint const dx = (gint) moved_w[X];
1946 gint const dy = (gint) moved_w[Y];
1947 desktop->scroll_world(dx, dy);
1948 }
1949 }
1952 void
1953 sp_selection_clone()
1954 {
1955 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1956 if (desktop == NULL)
1957 return;
1959 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1961 // check if something is selected
1962 if (selection->isEmpty()) {
1963 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object</b> to clone."));
1964 return;
1965 }
1967 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
1969 selection->clear();
1971 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
1972 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
1974 GSList *newsel = NULL;
1976 while (reprs) {
1977 Inkscape::XML::Node *sel_repr = (Inkscape::XML::Node *) reprs->data;
1978 Inkscape::XML::Node *parent = sp_repr_parent(sel_repr);
1980 Inkscape::XML::Node *clone = sp_repr_new("svg:use");
1981 sp_repr_set_attr(clone, "x", "0");
1982 sp_repr_set_attr(clone, "y", "0");
1983 sp_repr_set_attr(clone, "xlink:href", g_strdup_printf("#%s", sel_repr->attribute("id")));
1985 sp_repr_set_attr(clone, "inkscape:transform-center-x", sel_repr->attribute("inkscape:transform-center-x"));
1986 sp_repr_set_attr(clone, "inkscape:transform-center-y", sel_repr->attribute("inkscape:transform-center-y"));
1988 // add the new clone to the top of the original's parent
1989 parent->appendChild(clone);
1991 newsel = g_slist_prepend(newsel, clone);
1992 reprs = g_slist_remove(reprs, sel_repr);
1993 Inkscape::GC::release(clone);
1994 }
1996 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_CLONE,
1997 _("Clone"));
1999 selection->setReprList(newsel);
2001 g_slist_free(newsel);
2002 }
2004 void
2005 sp_selection_unlink()
2006 {
2007 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2008 if (!desktop)
2009 return;
2011 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2013 if (selection->isEmpty()) {
2014 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>clone</b> to unlink."));
2015 return;
2016 }
2018 // Get a copy of current selection.
2019 GSList *new_select = NULL;
2020 bool unlinked = false;
2021 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2022 items != NULL;
2023 items = items->next)
2024 {
2025 SPItem *use = (SPItem *) items->data;
2027 if (!SP_IS_USE(use)) {
2028 // keep the non-yse item in the new selection
2029 new_select = g_slist_prepend(new_select, use);
2030 continue;
2031 }
2033 SPItem *unlink = sp_use_unlink(SP_USE(use));
2034 unlinked = true;
2035 // Add ungrouped items to the new selection.
2036 new_select = g_slist_prepend(new_select, unlink);
2037 }
2039 if (new_select) { // set new selection
2040 selection->clear();
2041 selection->setList(new_select);
2042 g_slist_free(new_select);
2043 }
2044 if (!unlinked) {
2045 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No clones to unlink</b> in the selection."));
2046 }
2048 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNLINK_CLONE,
2049 _("Unlink clone"));
2050 }
2052 void
2053 sp_select_clone_original()
2054 {
2055 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2056 if (desktop == NULL)
2057 return;
2059 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2061 SPItem *item = selection->singleItem();
2063 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.");
2065 // Check if other than two objects are selected
2066 if (g_slist_length((GSList *) selection->itemList()) != 1 || !item) {
2067 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2068 return;
2069 }
2071 SPItem *original = NULL;
2072 if (SP_IS_USE(item)) {
2073 original = sp_use_get_original (SP_USE(item));
2074 } else if (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) {
2075 original = sp_offset_get_source (SP_OFFSET(item));
2076 } else if (SP_IS_TEXT_TEXTPATH(item)) {
2077 original = sp_textpath_get_path_item (SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))));
2078 } else if (SP_IS_FLOWTEXT(item)) {
2079 original = SP_FLOWTEXT(item)->get_frame (NULL); // first frame only
2080 } else { // it's an object that we don't know what to do with
2081 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2082 return;
2083 }
2085 if (!original) {
2086 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>Cannot find</b> the object to select (orphaned clone, offset, textpath, flowed text?)"));
2087 return;
2088 }
2090 for (SPObject *o = original; o && !SP_IS_ROOT(o); o = SP_OBJECT_PARENT (o)) {
2091 if (SP_IS_DEFS (o)) {
2092 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("The object you're trying to select is <b>not visible</b> (it is in <defs>)"));
2093 return;
2094 }
2095 }
2097 if (original) {
2098 selection->clear();
2099 selection->set(original);
2100 if (SP_CYCLING == SP_CYCLE_FOCUS) {
2101 scroll_to_show_item(desktop, original);
2102 }
2103 }
2104 }
2106 void
2107 sp_selection_tile(bool apply)
2108 {
2109 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2110 if (desktop == NULL)
2111 return;
2113 SPDocument *document = sp_desktop_document(desktop);
2115 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2117 // check if something is selected
2118 if (selection->isEmpty()) {
2119 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to pattern."));
2120 return;
2121 }
2123 sp_document_ensure_up_to_date(document);
2124 NR::Rect r = selection->bounds();
2125 if (r.isEmpty()) {
2126 return;
2127 }
2129 // calculate the transform to be applied to objects to move them to 0,0
2130 NR::Point move_p = NR::Point(0, sp_document_height(document)) - (r.min() + NR::Point (0, r.extent(NR::Y)));
2131 move_p[NR::Y] = -move_p[NR::Y];
2132 NR::Matrix move = NR::Matrix (NR::translate (move_p));
2134 GSList *items = g_slist_copy((GSList *) selection->itemList());
2136 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2138 // bottommost object, after sorting
2139 SPObject *parent = SP_OBJECT_PARENT (items->data);
2141 // remember the position of the first item
2142 gint pos = SP_OBJECT_REPR (items->data)->position();
2144 // create a list of duplicates
2145 GSList *repr_copies = NULL;
2146 for (GSList *i = items; i != NULL; i = i->next) {
2147 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2148 repr_copies = g_slist_prepend (repr_copies, dup);
2149 }
2151 NR::Rect bounds(desktop->dt2doc(r.min()), desktop->dt2doc(r.max()));
2153 if (apply) {
2154 // delete objects so that their clones don't get alerted; this object will be restored shortly
2155 for (GSList *i = items; i != NULL; i = i->next) {
2156 SPObject *item = SP_OBJECT (i->data);
2157 item->deleteObject (false);
2158 }
2159 }
2161 // Hack: Temporarily set clone compensation to unmoved, so that we can move clone-originals
2162 // without disturbing clones.
2163 // See ActorAlign::on_button_click() in src/ui/dialog/align-and-distribute.cpp
2164 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2165 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2167 const gchar *pat_id = pattern_tile (repr_copies, bounds, document,
2168 NR::Matrix(NR::translate(desktop->dt2doc(NR::Point(r.min()[NR::X], r.max()[NR::Y])))), move);
2170 // restore compensation setting
2171 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
2173 if (apply) {
2174 Inkscape::XML::Node *rect = sp_repr_new ("svg:rect");
2175 rect->setAttribute("style", g_strdup_printf("stroke:none;fill:url(#%s)", pat_id));
2176 sp_repr_set_svg_double(rect, "width", bounds.extent(NR::X));
2177 sp_repr_set_svg_double(rect, "height", bounds.extent(NR::Y));
2178 sp_repr_set_svg_double(rect, "x", bounds.min()[NR::X]);
2179 sp_repr_set_svg_double(rect, "y", bounds.min()[NR::Y]);
2181 // restore parent and position
2182 SP_OBJECT_REPR (parent)->appendChild(rect);
2183 rect->setPosition(pos > 0 ? pos : 0);
2184 SPItem *rectangle = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(rect);
2186 Inkscape::GC::release(rect);
2188 selection->clear();
2189 selection->set(rectangle);
2190 }
2192 g_slist_free (items);
2194 sp_document_done (document, SP_VERB_EDIT_TILE,
2195 _("Objects to pattern"));
2196 }
2198 void
2199 sp_selection_untile()
2200 {
2201 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2202 if (desktop == NULL)
2203 return;
2205 SPDocument *document = sp_desktop_document(desktop);
2207 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2209 // check if something is selected
2210 if (selection->isEmpty()) {
2211 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object with pattern fill</b> to extract objects from."));
2212 return;
2213 }
2215 GSList *new_select = NULL;
2217 bool did = false;
2219 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2220 items != NULL;
2221 items = items->next) {
2223 SPItem *item = (SPItem *) items->data;
2225 SPStyle *style = SP_OBJECT_STYLE (item);
2227 if (!style || style->fill.type != SP_PAINT_TYPE_PAINTSERVER)
2228 continue;
2230 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
2232 if (!SP_IS_PATTERN(server))
2233 continue;
2235 did = true;
2237 SPPattern *pattern = pattern_getroot (SP_PATTERN (server));
2239 NR::Matrix pat_transform = pattern_patternTransform (SP_PATTERN (server));
2240 pat_transform *= item->transform;
2242 for (SPObject *child = sp_object_first_child(SP_OBJECT(pattern)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2243 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate();
2244 SPItem *i = SP_ITEM (desktop->currentLayer()->appendChildRepr(copy));
2246 // FIXME: relink clones to the new canvas objects
2247 // use SPObject::setid when mental finishes it to steal ids of
2249 // this is needed to make sure the new item has curve (simply requestDisplayUpdate does not work)
2250 sp_document_ensure_up_to_date (document);
2252 NR::Matrix transform( i->transform * pat_transform );
2253 sp_item_write_transform(i, SP_OBJECT_REPR(i), transform);
2255 new_select = g_slist_prepend(new_select, i);
2256 }
2258 SPCSSAttr *css = sp_repr_css_attr_new ();
2259 sp_repr_css_set_property (css, "fill", "none");
2260 sp_repr_css_change (SP_OBJECT_REPR (item), css, "style");
2261 }
2263 if (!did) {
2264 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No pattern fills</b> in the selection."));
2265 } else {
2266 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNTILE,
2267 _("Pattern to objects"));
2268 selection->setList(new_select);
2269 }
2270 }
2272 void
2273 sp_selection_create_bitmap_copy ()
2274 {
2275 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2276 if (desktop == NULL)
2277 return;
2279 SPDocument *document = sp_desktop_document(desktop);
2281 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2283 // check if something is selected
2284 if (selection->isEmpty()) {
2285 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to make a bitmap copy."));
2286 return;
2287 }
2289 // Get the bounding box of the selection
2290 NRRect bbox;
2291 sp_document_ensure_up_to_date (document);
2292 selection->bounds(&bbox);
2293 if (NR_RECT_DFLS_TEST_EMPTY(&bbox)) {
2294 return; // exceptional situation, so not bother with a translatable error message, just quit quietly
2295 }
2297 // List of the items to show; all others will be hidden
2298 GSList *items = g_slist_copy ((GSList *) selection->itemList());
2300 // Sort items so that the topmost comes last
2301 items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);
2303 // Generate a random value from the current time (you may create bitmap from the same object(s)
2304 // multiple times, and this is done so that they don't clash)
2305 GTimeVal cu;
2306 g_get_current_time (&cu);
2307 guint current = (int) (cu.tv_sec * 1000000 + cu.tv_usec) % 1024;
2309 // Create the filename
2310 gchar *filename = g_strdup_printf ("%s-%s-%u.png", document->name, SP_OBJECT_REPR(items->data)->attribute("id"), current);
2311 // Imagemagick is known not to handle spaces in filenames, so we replace anything but letters,
2312 // digits, and a few other chars, with "_"
2313 filename = g_strcanon (filename, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.=+~$#@^&!?", '_');
2314 // Build the complete path by adding document->base if set
2315 gchar *filepath = g_build_filename (document->base?document->base:"", filename, NULL);
2317 //g_print ("%s\n", filepath);
2319 // Remember parent and z-order of the topmost one
2320 gint pos = SP_OBJECT_REPR(g_slist_last(items)->data)->position();
2321 SPObject *parent_object = SP_OBJECT_PARENT(g_slist_last(items)->data);
2322 Inkscape::XML::Node *parent = SP_OBJECT_REPR(parent_object);
2324 // Calculate resolution
2325 double res;
2326 int const prefs_res = prefs_get_int_attribute ("options.createbitmap", "resolution", 0);
2327 if (0 < prefs_res) {
2328 // If it's given explicitly in prefs, take it
2329 res = prefs_res;
2330 } else {
2331 // Otherwise look up minimum bitmap size (default 250 pixels) and calculate resolution from it
2332 int const prefs_min = prefs_get_int_attribute ("options.createbitmap", "minsize", 250);
2333 res = prefs_min / MIN ((bbox.x1 - bbox.x0), (bbox.y1 - bbox.y0));
2334 }
2336 // The width and height of the bitmap in pixels
2337 unsigned width = (unsigned) floor ((bbox.x1 - bbox.x0) * res);
2338 unsigned height =(unsigned) floor ((bbox.y1 - bbox.y0) * res);
2340 // Find out if we have to run a filter
2341 const gchar *run = NULL;
2342 const gchar *filter = prefs_get_string_attribute ("options.createbitmap", "filter");
2343 if (filter) {
2344 // filter command is given;
2345 // see if we have a parameter to pass to it
2346 const gchar *param1 = prefs_get_string_attribute ("options.createbitmap", "filter_param1");
2347 if (param1) {
2348 if (param1[strlen(param1) - 1] == '%') {
2349 // if the param string ends with %, interpret it as a percentage of the image's max dimension
2350 gchar p1[256];
2351 g_ascii_dtostr (p1, 256, ceil (g_ascii_strtod (param1, NULL) * MAX(width, height) / 100));
2352 // the first param is always the image filename, the second is param1
2353 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, p1);
2354 } else {
2355 // otherwise pass the param1 unchanged
2356 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, param1);
2357 }
2358 } else {
2359 // run without extra parameter
2360 run = g_strdup_printf ("%s \"%s\"", filter, filepath);
2361 }
2362 }
2364 // Calculate the matrix that will be applied to the image so that it exactly overlaps the source objects
2365 NR::Matrix eek = sp_item_i2d_affine (SP_ITEM(parent_object));
2366 NR::Matrix t = NR::scale (1/res, -1/res) * NR::translate (bbox.x0, bbox.y1) * eek.inverse();
2368 // Do the export
2369 sp_export_png_file(document, filepath,
2370 bbox.x0, bbox.y0, bbox.x1, bbox.y1,
2371 width, height, res, res,
2372 (guint32) 0xffffff00,
2373 NULL, NULL,
2374 true, /*bool force_overwrite,*/
2375 items);
2377 g_slist_free (items);
2379 // Run filter, if any
2380 if (run) {
2381 g_print ("Running external filter: %s\n", run);
2382 system (run);
2383 }
2385 // Import the image back
2386 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filepath, NULL);
2387 if (pb) {
2388 // Create the repr for the image
2389 Inkscape::XML::Node * repr = sp_repr_new ("svg:image");
2390 repr->setAttribute("xlink:href", filename);
2391 repr->setAttribute("sodipodi:absref", filepath);
2392 sp_repr_set_svg_double(repr, "width", gdk_pixbuf_get_width(pb));
2393 sp_repr_set_svg_double(repr, "height", gdk_pixbuf_get_height(pb));
2395 // Write transform
2396 gchar c[256];
2397 if (sp_svg_transform_write(c, 256, t)) {
2398 repr->setAttribute("transform", c);
2399 }
2401 // add the new repr to the parent
2402 parent->appendChild(repr);
2404 // move to the saved position
2405 repr->setPosition(pos > 0 ? pos + 1 : 1);
2407 // Set selection to the new image
2408 selection->clear();
2409 selection->add(repr);
2411 // Clean up
2412 Inkscape::GC::release(repr);
2413 gdk_pixbuf_unref (pb);
2415 // Complete undoable transaction
2416 sp_document_done (document, SP_VERB_SELECTION_CREATE_BITMAP,
2417 _("Create bitmap"));
2418 }
2420 g_free (filename);
2421 g_free (filepath);
2422 }
2424 /**
2425 * \brief sp_selection_set_mask
2426 *
2427 * This function creates a mask or clipPath from selection
2428 * Two different modes:
2429 * if applyToLayer, all selection is moved to DEFS as mask/clippath
2430 * and is applied to current layer
2431 * otherwise, topmost object is used as mask for other objects
2432 * If \a apply_clip_path parameter is true, clipPath is created, otherwise mask
2433 *
2434 */
2435 void
2436 sp_selection_set_mask(bool apply_clip_path, bool apply_to_layer)
2437 {
2438 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2439 if (desktop == NULL)
2440 return;
2442 SPDocument *document = sp_desktop_document(desktop);
2444 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2446 // check if something is selected
2447 bool is_empty = selection->isEmpty();
2448 if ( apply_to_layer && is_empty) {
2449 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to create clippath or mask from."));
2450 return;
2451 } else if (!apply_to_layer && ( is_empty || NULL == selection->itemList()->next )) {
2452 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select mask object and <b>object(s)</b> to apply clippath or mask to."));
2453 return;
2454 }
2456 sp_document_ensure_up_to_date(document);
2458 GSList *items = g_slist_copy((GSList *) selection->itemList());
2460 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2462 // create a list of duplicates
2463 GSList *mask_items = NULL;
2464 GSList *apply_to_items = NULL;
2465 bool topmost = prefs_get_int_attribute ("options.maskobject", "topmost", 1);
2466 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2468 if (apply_to_layer) {
2469 // all selected items are used for mask, which is applied to a layer
2470 apply_to_items = g_slist_prepend (apply_to_items, desktop->currentLayer());
2472 for (GSList *i = items; i != NULL; i = i->next) {
2473 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2474 mask_items = g_slist_prepend (mask_items, dup);
2476 if (remove_original) {
2477 SPObject *item = SP_OBJECT (i->data);
2478 item->deleteObject (false);
2479 }
2480 }
2481 } else if (!topmost) {
2482 // topmost item is used as a mask, which is applied to other items in a selection
2483 GSList *i = items;
2484 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2485 mask_items = g_slist_prepend (mask_items, dup);
2487 if (remove_original) {
2488 SPObject *item = SP_OBJECT (i->data);
2489 item->deleteObject (false);
2490 }
2492 for (i = i->next; i != NULL; i = i->next) {
2493 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2494 }
2495 } else {
2496 GSList *i = NULL;
2497 for (i = items; NULL != i->next; i = i->next) {
2498 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2499 }
2501 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2502 mask_items = g_slist_prepend (mask_items, dup);
2504 if (remove_original) {
2505 SPObject *item = SP_OBJECT (i->data);
2506 item->deleteObject (false);
2507 }
2508 }
2510 g_slist_free (items);
2511 items = NULL;
2513 gchar const* attributeName = apply_clip_path ? "clip-path" : "mask";
2514 for (GSList *i = apply_to_items; NULL != i; i = i->next) {
2515 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2516 // inverted object transform should be applied to a mask object,
2517 // as mask is calculated in user space (after applying transform)
2518 NR::Matrix maskTransform (item->transform.inverse());
2520 GSList *mask_items_dup = NULL;
2521 for (GSList *mask_item = mask_items; NULL != mask_item; mask_item = mask_item->next) {
2522 Inkscape::XML::Node *dup = reinterpret_cast<Inkscape::XML::Node *>(mask_item->data)->duplicate();
2523 mask_items_dup = g_slist_prepend (mask_items_dup, dup);
2524 }
2526 const gchar *mask_id = NULL;
2527 if (apply_clip_path) {
2528 mask_id = sp_clippath_create(mask_items_dup, document, &maskTransform);
2529 } else {
2530 mask_id = sp_mask_create(mask_items_dup, document, &maskTransform);
2531 }
2533 g_slist_free (mask_items_dup);
2534 mask_items_dup = NULL;
2536 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, g_strdup_printf("url(#%s)", mask_id));
2537 }
2539 g_slist_free (mask_items);
2540 g_slist_free (apply_to_items);
2542 if (apply_clip_path)
2543 sp_document_done (document, SP_VERB_OBJECT_SET_CLIPPATH, _("Set clipping path"));
2544 else
2545 sp_document_done (document, SP_VERB_OBJECT_SET_MASK, _("Set mask"));
2546 }
2548 void sp_selection_unset_mask(bool apply_clip_path) {
2549 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2550 if (desktop == NULL)
2551 return;
2553 SPDocument *document = sp_desktop_document(desktop);
2554 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2556 // check if something is selected
2557 if (selection->isEmpty()) {
2558 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove clippath or mask from."));
2559 return;
2560 }
2562 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2563 sp_document_ensure_up_to_date(document);
2565 gchar const* attributeName = apply_clip_path ? "clip-path" : "mask";
2566 std::map<SPObject*,SPItem*> referenced_objects;
2567 for (GSList const*i = selection->itemList(); NULL != i; i = i->next) {
2568 if (remove_original) {
2569 // remember referenced mask/clippath, so orphaned masks can be moved back to document
2570 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2571 Inkscape::URIReference *uri_ref = NULL;
2573 if (apply_clip_path) {
2574 uri_ref = item->clip_ref;
2575 } else {
2576 uri_ref = item->mask_ref;
2577 }
2579 // collect distinct mask object (and associate with item to apply transform)
2580 if (NULL != uri_ref && NULL != uri_ref->getObject()) {
2581 referenced_objects[uri_ref->getObject()] = item;
2582 }
2583 }
2585 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, "none");
2586 }
2588 // restore mask objects into a document
2589 for ( std::map<SPObject*,SPItem*>::iterator it = referenced_objects.begin() ; it != referenced_objects.end() ; ++it) {
2590 SPObject *obj = (*it).first;
2591 GSList *items_to_move = NULL;
2592 for (SPObject *child = sp_object_first_child(obj) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2593 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate();
2594 items_to_move = g_slist_prepend (items_to_move, copy);
2595 }
2597 if (!obj->isReferenced()) {
2598 // delete from defs if no other object references this mask
2599 obj->deleteObject(false);
2600 }
2602 // remember parent and position of the item to which the clippath/mask was applied
2603 Inkscape::XML::Node *parent = SP_OBJECT_REPR((*it).second)->parent();
2604 gint pos = SP_OBJECT_REPR((*it).second)->position();
2606 for (GSList *i = items_to_move; NULL != i; i = i->next) {
2607 Inkscape::XML::Node *repr = (Inkscape::XML::Node *)i->data;
2609 // insert into parent, restore pos
2610 parent->appendChild(repr);
2611 repr->setPosition((pos + 1) > 0 ? (pos + 1) : 0);
2613 SPItem *mask_item = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(repr);
2614 selection->add(repr);
2616 // transform mask, so it is moved the same spot where mask was applied
2617 NR::Matrix transform (mask_item->transform);
2618 transform *= (*it).second->transform;
2619 sp_item_write_transform(mask_item, SP_OBJECT_REPR(mask_item), transform);
2620 }
2622 g_slist_free (items_to_move);
2623 }
2625 if (apply_clip_path)
2626 sp_document_done (document, SP_VERB_OBJECT_UNSET_CLIPPATH, _("Release clipping path"));
2627 else
2628 sp_document_done (document, SP_VERB_OBJECT_UNSET_MASK, _("Release mask"));
2629 }
2631 void fit_canvas_to_selection(SPDesktop *desktop) {
2632 g_return_if_fail(desktop != NULL);
2633 SPDocument *doc = sp_desktop_document(desktop);
2635 g_return_if_fail(doc != NULL);
2636 g_return_if_fail(desktop->selection != NULL);
2637 g_return_if_fail(!desktop->selection->isEmpty());
2638 NRRect bbox = {0,0,0,0};
2640 desktop->selection->bounds(&bbox);
2641 if (!empty(bbox)) {
2642 doc->fitToRect(bbox);
2643 }
2644 };
2646 void fit_canvas_to_drawing(SPDocument *doc) {
2647 g_return_if_fail(doc != NULL);
2648 NRRect bbox = {0,0,0,0};
2650 sp_document_ensure_up_to_date (doc);
2651 sp_item_invoke_bbox(SP_ITEM(doc->root), &bbox, sp_item_i2r_affine(SP_ITEM(doc->root)), TRUE);
2653 if (!empty(bbox)) {
2654 doc->fitToRect(bbox);
2655 }
2656 };
2658 void fit_canvas_to_selection_or_drawing(SPDesktop *desktop) {
2659 g_return_if_fail(desktop != NULL);
2660 SPDocument *doc = sp_desktop_document(desktop);
2662 g_return_if_fail(doc != NULL);
2663 g_return_if_fail(desktop->selection != NULL);
2665 if (desktop->selection->isEmpty()) {
2666 fit_canvas_to_drawing(doc);
2667 } else {
2668 fit_canvas_to_selection(desktop);
2669 }
2671 sp_document_done(doc, SP_VERB_FIT_CANVAS_TO_DRAWING,
2672 _("Fit page to selection"));
2673 };
2675 /*
2676 Local Variables:
2677 mode:c++
2678 c-file-style:"stroustrup"
2679 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
2680 indent-tabs-mode:nil
2681 fill-column:99
2682 End:
2683 */
2684 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :