1 #define __SP_SELECTION_CHEMISTRY_C__
3 /*
4 * Miscellanous operations on selected items
5 *
6 * Authors:
7 * Lauris Kaplinski <lauris@kaplinski.com>
8 * Frank Felfe <innerspace@iname.com>
9 * MenTaLguY <mental@rydia.net>
10 * bulia byak <buliabyak@users.sf.net>
11 * Andrius R. <knutux@gmail.com>
12 *
13 * Copyright (C) 1999-2006 authors
14 * Copyright (C) 2001-2002 Ximian, Inc.
15 *
16 * Released under GNU GPL, read the file 'COPYING' for more information
17 */
19 #ifdef HAVE_CONFIG_H
20 # include "config.h"
21 #endif
23 #include <gtkmm/clipboard.h>
25 #include "svg/svg.h"
26 #include "inkscape.h"
27 #include "desktop.h"
28 #include "desktop-style.h"
29 #include "selection.h"
30 #include "tools-switch.h"
31 #include "desktop-handles.h"
32 #include "message-stack.h"
33 #include "sp-item-transform.h"
34 #include "marker.h"
35 #include "sp-use.h"
36 #include "sp-textpath.h"
37 #include "sp-tspan.h"
38 #include "sp-flowtext.h"
39 #include "sp-flowregion.h"
40 #include "text-editing.h"
41 #include "text-context.h"
42 #include "connector-context.h"
43 #include "sp-path.h"
44 #include "sp-conn-end.h"
45 #include "dropper-context.h"
46 #include <glibmm/i18n.h>
47 #include "libnr/nr-matrix-rotate-ops.h"
48 #include "libnr/nr-matrix-translate-ops.h"
49 #include "libnr/nr-rotate-fns.h"
50 #include "libnr/nr-scale-ops.h"
51 #include "libnr/nr-scale-translate-ops.h"
52 #include "libnr/nr-translate-matrix-ops.h"
53 #include "libnr/nr-translate-scale-ops.h"
54 #include "xml/repr.h"
55 #include "style.h"
56 #include "document-private.h"
57 #include "sp-gradient.h"
58 #include "sp-gradient-reference.h"
59 #include "sp-linear-gradient-fns.h"
60 #include "sp-pattern.h"
61 #include "sp-radial-gradient-fns.h"
62 #include "sp-namedview.h"
63 #include "prefs-utils.h"
64 #include "sp-offset.h"
65 #include "sp-clippath.h"
66 #include "sp-mask.h"
67 #include "file.h"
68 #include "helper/png-write.h"
69 #include "layer-fns.h"
70 #include "context-fns.h"
71 #include <map>
72 #include "helper/units.h"
73 #include "sp-item.h"
74 #include "unit-constants.h"
75 using NR::X;
76 using NR::Y;
78 #include "selection-chemistry.h"
80 /* fixme: find a better place */
81 GSList *clipboard = NULL;
82 GSList *defs_clipboard = NULL;
83 SPCSSAttr *style_clipboard = NULL;
84 NR::Rect size_clipboard(NR::Point(0,0), NR::Point(0,0));
86 static void sp_copy_stuff_used_by_item(GSList **defs_clip, SPItem *item, const GSList *items);
88 /**
89 * Copies repr and its inherited css style elements, along with the accumulated transform 'full_t',
90 * then prepends the copy to 'clip'.
91 */
92 void sp_selection_copy_one (Inkscape::XML::Node *repr, NR::Matrix full_t, GSList **clip)
93 {
94 Inkscape::XML::Node *copy = repr->duplicate();
96 // copy complete inherited style
97 SPCSSAttr *css = sp_repr_css_attr_inherited(repr, "style");
98 sp_repr_css_set(copy, css, "style");
99 sp_repr_css_attr_unref(css);
101 // write the complete accumulated transform passed to us
102 // (we're dealing with unattached repr, so we write to its attr
103 // instead of using sp_item_set_transform)
104 gchar affinestr[80];
105 if (sp_svg_transform_write(affinestr, 79, full_t)) {
106 copy->setAttribute("transform", affinestr);
107 } else {
108 copy->setAttribute("transform", NULL);
109 }
111 *clip = g_slist_prepend(*clip, copy);
112 }
114 void sp_selection_copy_impl (const GSList *items, GSList **clip, GSList **defs_clip, SPCSSAttr **style_clip)
115 {
117 // Copy stuff referenced by all items to defs_clip:
118 if (defs_clip) {
119 for (GSList *i = (GSList *) items; i != NULL; i = i->next) {
120 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (i->data), items);
121 }
122 *defs_clip = g_slist_reverse(*defs_clip);
123 }
125 // Store style:
126 if (style_clip) {
127 SPItem *item = SP_ITEM (items->data); // take from the first selected item
128 *style_clip = take_style_from_item (item);
129 }
131 if (clip) {
132 // Sort items:
133 GSList *sorted_items = g_slist_copy ((GSList *) items);
134 sorted_items = g_slist_sort((GSList *) sorted_items, (GCompareFunc) sp_object_compare_position);
136 // Copy item reprs:
137 for (GSList *i = (GSList *) sorted_items; i != NULL; i = i->next) {
138 sp_selection_copy_one (SP_OBJECT_REPR (i->data), sp_item_i2doc_affine(SP_ITEM (i->data)), clip);
139 }
141 *clip = g_slist_reverse(*clip);
142 g_slist_free ((GSList *) sorted_items);
143 }
144 }
146 /**
147 * Add gradients/patterns/markers referenced by copied objects to defs.
148 * Iterates through 'defs_clip', and for each item it adds the data
149 * repr into the global defs.
150 */
151 void
152 paste_defs (GSList **defs_clip, SPDocument *doc)
153 {
154 if (!defs_clip)
155 return;
157 for (GSList *gl = *defs_clip; gl != NULL; gl = gl->next) {
158 SPDefs *defs= (SPDefs *) SP_DOCUMENT_DEFS(doc);
159 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) gl->data;
160 gchar const *id = repr->attribute("id");
161 if (!id || !doc->getObjectById(id)) {
162 Inkscape::XML::Node *copy = repr->duplicate();
163 SP_OBJECT_REPR(defs)->addChild(copy, NULL);
164 Inkscape::GC::release(copy);
165 }
166 }
167 }
169 GSList *sp_selection_paste_impl (SPDocument *document, SPObject *parent, GSList **clip, GSList **defs_clip)
170 {
171 paste_defs (defs_clip, document);
173 GSList *copied = NULL;
174 // add objects to document
175 for (GSList *l = *clip; l != NULL; l = l->next) {
176 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
177 Inkscape::XML::Node *copy = repr->duplicate();
179 // premultiply the item transform by the accumulated parent transform in the paste layer
180 NR::Matrix local = sp_item_i2doc_affine(SP_ITEM(parent));
181 if (!local.test_identity()) {
182 gchar const *t_str = copy->attribute("transform");
183 NR::Matrix item_t (NR::identity());
184 if (t_str)
185 sp_svg_transform_read(t_str, &item_t);
186 item_t *= local.inverse();
187 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
188 gchar affinestr[80];
189 if (sp_svg_transform_write(affinestr, 79, item_t)) {
190 copy->setAttribute("transform", affinestr);
191 } else {
192 copy->setAttribute("transform", NULL);
193 }
194 }
196 parent->appendChildRepr(copy);
197 copied = g_slist_prepend(copied, copy);
198 Inkscape::GC::release(copy);
199 }
200 return copied;
201 }
203 void sp_selection_delete_impl(const GSList *items)
204 {
205 for (const GSList *i = items ; i ; i = i->next ) {
206 sp_object_ref((SPObject *)i->data, NULL);
207 }
208 for (const GSList *i = items; i != NULL; i = i->next) {
209 SPItem *item = (SPItem *) i->data;
210 SP_OBJECT(item)->deleteObject();
211 sp_object_unref((SPObject *)item, NULL);
212 }
213 }
216 void sp_selection_delete()
217 {
218 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
219 if (desktop == NULL) {
220 return;
221 }
223 if (tools_isactive (desktop, TOOLS_TEXT))
224 if (sp_text_delete_selection(desktop->event_context)) {
225 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_TEXT,
226 _("Delete text"));
227 return;
228 }
230 Inkscape::Selection *selection = sp_desktop_selection(desktop);
232 // check if something is selected
233 if (selection->isEmpty()) {
234 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Nothing</b> was deleted."));
235 return;
236 }
238 const GSList *selected = g_slist_copy(const_cast<GSList *>(selection->itemList()));
239 selection->clear();
240 sp_selection_delete_impl (selected);
241 g_slist_free ((GSList *) selected);
243 /* a tool may have set up private information in it's selection context
244 * that depends on desktop items. I think the only sane way to deal with
245 * this currently is to reset the current tool, which will reset it's
246 * associated selection context. For example: deleting an object
247 * while moving it around the canvas.
248 */
249 tools_switch ( desktop, tools_active ( desktop ) );
251 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DELETE,
252 _("Delete"));
253 }
255 /* fixme: sequencing */
256 void sp_selection_duplicate()
257 {
258 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
259 if (desktop == NULL)
260 return;
262 Inkscape::Selection *selection = sp_desktop_selection(desktop);
264 // check if something is selected
265 if (selection->isEmpty()) {
266 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to duplicate."));
267 return;
268 }
270 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
272 selection->clear();
274 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
275 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
277 GSList *newsel = NULL;
279 while (reprs) {
280 Inkscape::XML::Node *parent = ((Inkscape::XML::Node *) reprs->data)->parent();
281 Inkscape::XML::Node *copy = ((Inkscape::XML::Node *) reprs->data)->duplicate();
283 parent->appendChild(copy);
285 newsel = g_slist_prepend(newsel, copy);
286 reprs = g_slist_remove(reprs, reprs->data);
287 Inkscape::GC::release(copy);
288 }
290 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DUPLICATE,
291 _("Duplicate"));
293 selection->setReprList(newsel);
295 g_slist_free(newsel);
296 }
298 void sp_edit_clear_all()
299 {
300 SPDesktop *dt = SP_ACTIVE_DESKTOP;
301 if (!dt)
302 return;
304 SPDocument *doc = sp_desktop_document(dt);
305 sp_desktop_selection(dt)->clear();
307 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
308 GSList *items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
310 while (items) {
311 SP_OBJECT (items->data)->deleteObject();
312 items = g_slist_remove(items, items->data);
313 }
315 sp_document_done(doc, SP_VERB_EDIT_CLEAR_ALL,
316 _("Delete all"));
317 }
319 GSList *
320 get_all_items (GSList *list, SPObject *from, SPDesktop *desktop, bool onlyvisible, bool onlysensitive, const GSList *exclude)
321 {
322 for (SPObject *child = sp_object_first_child(SP_OBJECT(from)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
323 if (SP_IS_ITEM(child) &&
324 !desktop->isLayer(SP_ITEM(child)) &&
325 (!onlysensitive || !SP_ITEM(child)->isLocked()) &&
326 (!onlyvisible || !desktop->itemIsHidden(SP_ITEM(child))) &&
327 (!exclude || !g_slist_find ((GSList *) exclude, child))
328 )
329 {
330 list = g_slist_prepend (list, SP_ITEM(child));
331 }
333 if (SP_IS_ITEM(child) && desktop->isLayer(SP_ITEM(child))) {
334 list = get_all_items (list, child, desktop, onlyvisible, onlysensitive, exclude);
335 }
336 }
338 return list;
339 }
341 void sp_edit_select_all_full (bool force_all_layers, bool invert)
342 {
343 SPDesktop *dt = SP_ACTIVE_DESKTOP;
344 if (!dt)
345 return;
347 Inkscape::Selection *selection = sp_desktop_selection(dt);
349 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
351 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
352 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
353 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
355 GSList *items = NULL;
357 const GSList *exclude = NULL;
358 if (invert) {
359 exclude = selection->itemList();
360 }
362 if (force_all_layers)
363 inlayer = PREFS_SELECTION_ALL;
365 switch (inlayer) {
366 case PREFS_SELECTION_LAYER: {
367 if ( (onlysensitive && SP_ITEM(dt->currentLayer())->isLocked()) ||
368 (onlyvisible && dt->itemIsHidden(SP_ITEM(dt->currentLayer()))) )
369 return;
371 GSList *all_items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
373 for (GSList *i = all_items; i; i = i->next) {
374 SPItem *item = SP_ITEM (i->data);
376 if (item && (!onlysensitive || !item->isLocked())) {
377 if (!onlyvisible || !dt->itemIsHidden(item)) {
378 if (!dt->isLayer(item)) {
379 if (!invert || !g_slist_find ((GSList *) exclude, item)) {
380 items = g_slist_prepend (items, item); // leave it in the list
381 }
382 }
383 }
384 }
385 }
387 g_slist_free (all_items);
388 break;
389 }
390 case PREFS_SELECTION_LAYER_RECURSIVE: {
391 items = get_all_items (NULL, dt->currentLayer(), dt, onlyvisible, onlysensitive, exclude);
392 break;
393 }
394 default: {
395 items = get_all_items (NULL, dt->currentRoot(), dt, onlyvisible, onlysensitive, exclude);
396 break;
397 }
398 }
400 selection->setList (items);
402 if (items) {
403 g_slist_free (items);
404 }
405 }
407 void sp_edit_select_all ()
408 {
409 sp_edit_select_all_full (false, false);
410 }
412 void sp_edit_select_all_in_all_layers ()
413 {
414 sp_edit_select_all_full (true, false);
415 }
417 void sp_edit_invert ()
418 {
419 sp_edit_select_all_full (false, true);
420 }
422 void sp_edit_invert_in_all_layers ()
423 {
424 sp_edit_select_all_full (true, true);
425 }
427 void sp_selection_group()
428 {
429 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
430 if (desktop == NULL)
431 return;
433 SPDocument *document = sp_desktop_document (desktop);
434 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(document);
436 Inkscape::Selection *selection = sp_desktop_selection(desktop);
438 // Check if something is selected.
439 if (selection->isEmpty()) {
440 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>two or more objects</b> to group."));
441 return;
442 }
444 GSList const *l = (GSList *) selection->reprList();
446 // Check if at least two objects are selected.
447 if (l->next == NULL) {
448 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>at least two objects</b> to group."));
449 return;
450 }
452 GSList *p = g_slist_copy((GSList *) l);
454 selection->clear();
456 p = g_slist_sort(p, (GCompareFunc) sp_repr_compare_position);
458 // Remember the position and parent of the topmost object.
459 gint topmost = ((Inkscape::XML::Node *) g_slist_last(p)->data)->position();
460 Inkscape::XML::Node *topmost_parent = ((Inkscape::XML::Node *) g_slist_last(p)->data)->parent();
462 Inkscape::XML::Node *group = xml_doc->createElement("svg:g");
464 while (p) {
465 Inkscape::XML::Node *current = (Inkscape::XML::Node *) p->data;
467 if (current->parent() == topmost_parent) {
468 Inkscape::XML::Node *spnew = current->duplicate();
469 sp_repr_unparent(current);
470 group->appendChild(spnew);
471 Inkscape::GC::release(spnew);
472 topmost --; // only reduce count for those items deleted from topmost_parent
473 } else { // move it to topmost_parent first
474 GSList *temp_clip = NULL;
476 // At this point, current may already have no item, due to its being a clone whose original is already moved away
477 // So we copy it artificially calculating the transform from its repr->attr("transform") and the parent transform
478 gchar const *t_str = current->attribute("transform");
479 NR::Matrix item_t (NR::identity());
480 if (t_str)
481 sp_svg_transform_read(t_str, &item_t);
482 item_t *= sp_item_i2doc_affine(SP_ITEM(document->getObjectByRepr(current->parent())));
483 //FIXME: when moving both clone and original from a transformed group (either by
484 //grouping into another parent, or by cut/paste) the transform from the original's
485 //parent becomes embedded into original itself, and this affects its clones. Fix
486 //this by remembering the transform diffs we write to each item into an array and
487 //then, if this is clone, looking up its original in that array and pre-multiplying
488 //it by the inverse of that original's transform diff.
490 sp_selection_copy_one (current, item_t, &temp_clip);
491 sp_repr_unparent(current);
493 // paste into topmost_parent (temporarily)
494 GSList *copied = sp_selection_paste_impl (document, document->getObjectByRepr(topmost_parent), &temp_clip, NULL);
495 if (temp_clip) g_slist_free (temp_clip);
496 if (copied) { // if success,
497 // take pasted object (now in topmost_parent)
498 Inkscape::XML::Node *in_topmost = (Inkscape::XML::Node *) copied->data;
499 // make a copy
500 Inkscape::XML::Node *spnew = in_topmost->duplicate();
501 // remove pasted
502 sp_repr_unparent(in_topmost);
503 // put its copy into group
504 group->appendChild(spnew);
505 Inkscape::GC::release(spnew);
506 g_slist_free (copied);
507 }
508 }
509 p = g_slist_remove(p, current);
510 }
512 // Add the new group to the topmost members' parent
513 topmost_parent->appendChild(group);
515 // Move to the position of the topmost, reduced by the number of items deleted from topmost_parent
516 group->setPosition(topmost + 1);
518 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_GROUP,
519 _("Group"));
521 selection->set(group);
522 Inkscape::GC::release(group);
523 }
525 void sp_selection_ungroup()
526 {
527 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
528 if (desktop == NULL)
529 return;
531 Inkscape::Selection *selection = sp_desktop_selection(desktop);
533 if (selection->isEmpty()) {
534 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>group</b> to ungroup."));
535 return;
536 }
538 GSList *items = g_slist_copy((GSList *) selection->itemList());
539 selection->clear();
541 // Get a copy of current selection.
542 GSList *new_select = NULL;
543 bool ungrouped = false;
544 for (GSList *i = items;
545 i != NULL;
546 i = i->next)
547 {
548 SPItem *group = (SPItem *) i->data;
550 // when ungrouping cloned groups with their originals, some objects that were selected may no more exist due to unlinking
551 if (!SP_IS_OBJECT(group)) {
552 continue;
553 }
555 /* We do not allow ungrouping <svg> etc. (lauris) */
556 if (strcmp(SP_OBJECT_REPR(group)->name(), "svg:g") && strcmp(SP_OBJECT_REPR(group)->name(), "svg:switch")) {
557 // keep the non-group item in the new selection
558 selection->add(group);
559 continue;
560 }
562 GSList *children = NULL;
563 /* This is not strictly required, but is nicer to rely on group ::destroy (lauris) */
564 sp_item_group_ungroup(SP_GROUP(group), &children, false);
565 ungrouped = true;
566 // Add ungrouped items to the new selection.
567 new_select = g_slist_concat(new_select, children);
568 }
570 if (new_select) { // Set new selection.
571 selection->addList(new_select);
572 g_slist_free(new_select);
573 }
574 if (!ungrouped) {
575 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No groups</b> to ungroup in the selection."));
576 }
578 g_slist_free(items);
580 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_UNGROUP,
581 _("Ungroup"));
582 }
584 static SPGroup *
585 sp_item_list_common_parent_group(const GSList *items)
586 {
587 if (!items) {
588 return NULL;
589 }
590 SPObject *parent = SP_OBJECT_PARENT(items->data);
591 /* Strictly speaking this CAN happen, if user selects <svg> from XML editor */
592 if (!SP_IS_GROUP(parent)) {
593 return NULL;
594 }
595 for (items = items->next; items; items = items->next) {
596 if (SP_OBJECT_PARENT(items->data) != parent) {
597 return NULL;
598 }
599 }
601 return SP_GROUP(parent);
602 }
604 /** Finds out the minimum common bbox of the selected items
605 */
606 NR::Rect
607 enclose_items(const GSList *items)
608 {
609 g_assert(items != NULL);
611 NR::Rect r = sp_item_bbox_desktop((SPItem *) items->data);
613 for (GSList *i = items->next; i; i = i->next) {
614 r = NR::Rect::union_bounds(r, sp_item_bbox_desktop((SPItem *) i->data));
615 }
617 return r;
618 }
620 SPObject *
621 prev_sibling(SPObject *child)
622 {
623 SPObject *parent = SP_OBJECT_PARENT(child);
624 if (!SP_IS_GROUP(parent)) {
625 return NULL;
626 }
627 for ( SPObject *i = sp_object_first_child(parent) ; i; i = SP_OBJECT_NEXT(i) ) {
628 if (i->next == child)
629 return i;
630 }
631 return NULL;
632 }
634 void
635 sp_selection_raise()
636 {
637 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
638 if (!desktop)
639 return;
641 Inkscape::Selection *selection = sp_desktop_selection(desktop);
643 GSList const *items = (GSList *) selection->itemList();
644 if (!items) {
645 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise."));
646 return;
647 }
649 SPGroup const *group = sp_item_list_common_parent_group(items);
650 if (!group) {
651 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
652 return;
653 }
655 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
657 /* construct reverse-ordered list of selected children */
658 GSList *rev = g_slist_copy((GSList *) items);
659 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
661 // find out the common bbox of the selected items
662 NR::Rect selected = enclose_items(items);
664 // for all objects in the selection (starting from top)
665 while (rev) {
666 SPObject *child = SP_OBJECT(rev->data);
667 // for each selected object, find the next sibling
668 for (SPObject *newref = child->next; newref; newref = newref->next) {
669 // if the sibling is an item AND overlaps our selection,
670 if (SP_IS_ITEM(newref) && selected.intersects(sp_item_bbox_desktop(SP_ITEM(newref)))) {
671 // AND if it's not one of our selected objects,
672 if (!g_slist_find((GSList *) items, newref)) {
673 // move the selected object after that sibling
674 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(newref));
675 }
676 break;
677 }
678 }
679 rev = g_slist_remove(rev, child);
680 }
682 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_RAISE,
683 _("Raise"));
684 }
686 void sp_selection_raise_to_top()
687 {
688 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
689 if (desktop == NULL)
690 return;
692 SPDocument *document = sp_desktop_document(desktop);
693 Inkscape::Selection *selection = sp_desktop_selection(desktop);
695 if (selection->isEmpty()) {
696 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise to top."));
697 return;
698 }
700 GSList const *items = (GSList *) selection->itemList();
702 SPGroup const *group = sp_item_list_common_parent_group(items);
703 if (!group) {
704 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
705 return;
706 }
708 GSList *rl = g_slist_copy((GSList *) selection->reprList());
709 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
711 for (GSList *l = rl; l != NULL; l = l->next) {
712 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
713 repr->setPosition(-1);
714 }
716 g_slist_free(rl);
718 sp_document_done(document, SP_VERB_SELECTION_TO_FRONT,
719 _("Raise to top"));
720 }
722 void
723 sp_selection_lower()
724 {
725 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
726 if (desktop == NULL)
727 return;
729 Inkscape::Selection *selection = sp_desktop_selection(desktop);
731 GSList const *items = (GSList *) selection->itemList();
732 if (!items) {
733 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower."));
734 return;
735 }
737 SPGroup const *group = sp_item_list_common_parent_group(items);
738 if (!group) {
739 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
740 return;
741 }
743 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
745 // find out the common bbox of the selected items
746 NR::Rect selected = enclose_items(items);
748 /* construct direct-ordered list of selected children */
749 GSList *rev = g_slist_copy((GSList *) items);
750 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
751 rev = g_slist_reverse(rev);
753 // for all objects in the selection (starting from top)
754 while (rev) {
755 SPObject *child = SP_OBJECT(rev->data);
756 // for each selected object, find the prev sibling
757 for (SPObject *newref = prev_sibling(child); newref; newref = prev_sibling(newref)) {
758 // if the sibling is an item AND overlaps our selection,
759 if (SP_IS_ITEM(newref) && selected.intersects(sp_item_bbox_desktop(SP_ITEM(newref)))) {
760 // AND if it's not one of our selected objects,
761 if (!g_slist_find((GSList *) items, newref)) {
762 // move the selected object before that sibling
763 SPObject *put_after = prev_sibling(newref);
764 if (put_after)
765 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(put_after));
766 else
767 SP_OBJECT_REPR(child)->setPosition(0);
768 }
769 break;
770 }
771 }
772 rev = g_slist_remove(rev, child);
773 }
775 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_LOWER,
776 _("Lower"));
778 }
780 void sp_selection_lower_to_bottom()
781 {
782 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
783 if (desktop == NULL)
784 return;
786 SPDocument *document = sp_desktop_document(desktop);
787 Inkscape::Selection *selection = sp_desktop_selection(desktop);
789 if (selection->isEmpty()) {
790 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower to bottom."));
791 return;
792 }
794 GSList const *items = (GSList *) selection->itemList();
796 SPGroup const *group = sp_item_list_common_parent_group(items);
797 if (!group) {
798 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
799 return;
800 }
802 GSList *rl;
803 rl = g_slist_copy((GSList *) selection->reprList());
804 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
805 rl = g_slist_reverse(rl);
807 for (GSList *l = rl; l != NULL; l = l->next) {
808 gint minpos;
809 SPObject *pp, *pc;
810 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
811 pp = document->getObjectByRepr(sp_repr_parent(repr));
812 minpos = 0;
813 g_assert(SP_IS_GROUP(pp));
814 pc = sp_object_first_child(pp);
815 while (!SP_IS_ITEM(pc)) {
816 minpos += 1;
817 pc = pc->next;
818 }
819 repr->setPosition(minpos);
820 }
822 g_slist_free(rl);
824 sp_document_done(document, SP_VERB_SELECTION_TO_BACK,
825 _("Lower to bottom"));
826 }
828 void
829 sp_undo(SPDesktop *desktop, SPDocument *)
830 {
831 if (!sp_document_undo(sp_desktop_document(desktop)))
832 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to undo."));
833 }
835 void
836 sp_redo(SPDesktop *desktop, SPDocument *)
837 {
838 if (!sp_document_redo(sp_desktop_document(desktop)))
839 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to redo."));
840 }
842 void sp_selection_cut()
843 {
844 sp_selection_copy();
845 sp_selection_delete();
846 }
848 void sp_copy_gradient (GSList **defs_clip, SPGradient *gradient)
849 {
850 SPGradient *ref = gradient;
852 while (ref) {
853 // climb up the refs, copying each one in the chain
854 Inkscape::XML::Node *grad_repr = SP_OBJECT_REPR(ref)->duplicate();
855 *defs_clip = g_slist_prepend (*defs_clip, grad_repr);
857 ref = ref->ref->getObject();
858 }
859 }
861 void sp_copy_pattern (GSList **defs_clip, SPPattern *pattern)
862 {
863 SPPattern *ref = pattern;
865 while (ref) {
866 // climb up the refs, copying each one in the chain
867 Inkscape::XML::Node *pattern_repr = SP_OBJECT_REPR(ref)->duplicate();
868 *defs_clip = g_slist_prepend (*defs_clip, pattern_repr);
870 // items in the pattern may also use gradients and other patterns, so we need to recurse here as well
871 for (SPObject *child = sp_object_first_child(SP_OBJECT(ref)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
872 if (!SP_IS_ITEM (child))
873 continue;
874 sp_copy_stuff_used_by_item (defs_clip, (SPItem *) child, NULL);
875 }
877 ref = ref->ref->getObject();
878 }
879 }
881 void sp_copy_single (GSList **defs_clip, SPObject *thing)
882 {
883 Inkscape::XML::Node *duplicate_repr = SP_OBJECT_REPR(thing)->duplicate();
884 *defs_clip = g_slist_prepend (*defs_clip, duplicate_repr);
885 }
888 void sp_copy_textpath_path (GSList **defs_clip, SPTextPath *tp, const GSList *items)
889 {
890 SPItem *path = sp_textpath_get_path_item (tp);
891 if (!path)
892 return;
893 if (items && g_slist_find ((GSList *) items, path)) // do not copy it to defs if it is already in the list of items copied
894 return;
895 Inkscape::XML::Node *repr = SP_OBJECT_REPR(path)->duplicate();
896 *defs_clip = g_slist_prepend (*defs_clip, repr);
897 }
899 /**
900 * Copies things like patterns, markers, gradients, etc.
901 */
902 void sp_copy_stuff_used_by_item (GSList **defs_clip, SPItem *item, const GSList *items)
903 {
904 SPStyle *style = SP_OBJECT_STYLE (item);
906 if (style && (style->fill.type == SP_PAINT_TYPE_PAINTSERVER)) {
907 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
908 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
909 sp_copy_gradient (defs_clip, SP_GRADIENT(server));
910 if (SP_IS_PATTERN (server))
911 sp_copy_pattern (defs_clip, SP_PATTERN(server));
912 }
914 if (style && (style->stroke.type == SP_PAINT_TYPE_PAINTSERVER)) {
915 SPObject *server = SP_OBJECT_STYLE_STROKE_SERVER(item);
916 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
917 sp_copy_gradient (defs_clip, SP_GRADIENT(server));
918 if (SP_IS_PATTERN (server))
919 sp_copy_pattern (defs_clip, SP_PATTERN(server));
920 }
922 // For shapes, copy all of the shape's markers into defs_clip
923 if (SP_IS_SHAPE (item)) {
924 SPShape *shape = SP_SHAPE (item);
925 for (int i = 0 ; i < SP_MARKER_LOC_QTY ; i++) {
926 if (shape->marker[i]) {
927 sp_copy_single (defs_clip, SP_OBJECT (shape->marker[i]));
928 }
929 }
930 }
932 if (SP_IS_TEXT_TEXTPATH (item)) {
933 sp_copy_textpath_path (defs_clip, SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))), items);
934 }
936 if (item->clip_ref->getObject()) {
937 sp_copy_single (defs_clip, item->clip_ref->getObject());
938 }
940 if (item->mask_ref->getObject()) {
941 SPObject *mask = item->mask_ref->getObject();
942 sp_copy_single (defs_clip, mask);
943 // recurse into the mask for its gradients etc.
944 for (SPObject *o = SP_OBJECT(mask)->children; o != NULL; o = o->next) {
945 if (SP_IS_ITEM(o))
946 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items);
947 }
948 }
950 if (style->filter.filter) {
951 SPObject *filter = style->filter.filter;
952 if (SP_IS_FILTER(filter)) {
953 sp_copy_single (defs_clip, filter);
954 }
955 }
957 // recurse
958 for (SPObject *o = SP_OBJECT(item)->children; o != NULL; o = o->next) {
959 if (SP_IS_ITEM(o))
960 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items);
961 }
962 }
964 /**
965 * \pre item != NULL
966 */
967 SPCSSAttr *
968 take_style_from_item (SPItem *item)
969 {
970 // write the complete cascaded style, context-free
971 SPCSSAttr *css = sp_css_attr_from_object (SP_OBJECT(item), SP_STYLE_FLAG_ALWAYS);
972 if (css == NULL)
973 return NULL;
975 if ((SP_IS_GROUP(item) && SP_OBJECT(item)->children) ||
976 (SP_IS_TEXT (item) && SP_OBJECT(item)->children && SP_OBJECT(item)->children->next == NULL)) {
977 // if this is a text with exactly one tspan child, merge the style of that tspan as well
978 // If this is a group, merge the style of its topmost (last) child with style
979 for (SPObject *last_element = item->lastChild(); last_element != NULL; last_element = SP_OBJECT_PREV (last_element)) {
980 if (SP_OBJECT_STYLE (last_element) != NULL) {
981 SPCSSAttr *temp = sp_css_attr_from_object (last_element, SP_STYLE_FLAG_IFSET);
982 if (temp) {
983 sp_repr_css_merge (css, temp);
984 sp_repr_css_attr_unref (temp);
985 }
986 break;
987 }
988 }
989 }
990 if (!(SP_IS_TEXT (item) || SP_IS_TSPAN (item) || SP_IS_STRING (item))) {
991 // do not copy text properties from non-text objects, it's confusing
992 css = sp_css_attr_unset_text (css);
993 }
995 // FIXME: also transform gradient/pattern fills, by forking? NO, this must be nondestructive
996 double ex = NR::expansion(sp_item_i2doc_affine(item));
997 if (ex != 1.0) {
998 css = sp_css_attr_scale (css, ex);
999 }
1001 return css;
1002 }
1005 void sp_selection_copy()
1006 {
1007 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1008 if (desktop == NULL)
1009 return;
1011 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1013 if (tools_isactive (desktop, TOOLS_DROPPER)) {
1014 sp_dropper_context_copy(desktop->event_context);
1015 return; // copied color under cursor, nothing else to do
1016 }
1018 // check if something is selected
1019 if (selection->isEmpty()) {
1020 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing was copied."));
1021 return;
1022 }
1024 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1026 // 0. Copy text to system clipboard
1027 // FIXME: for non-texts, put serialized XML as text to the clipboard;
1028 //for this sp_repr_write_stream needs to be rewritten with iostream instead of FILE
1029 Glib::ustring text;
1030 if (tools_isactive (desktop, TOOLS_TEXT)) {
1031 text = sp_text_get_selected_text(desktop->event_context);
1032 }
1034 if (text.empty()) {
1035 guint texts = 0;
1036 for (GSList *i = (GSList *) items; i; i = i->next) {
1037 SPItem *item = SP_ITEM (i->data);
1038 if (SP_IS_TEXT (item) || SP_IS_FLOWTEXT(item)) {
1039 if (texts > 0) // if more than one text object is copied, separate them by spaces
1040 text += " ";
1041 gchar *this_text = sp_te_get_string_multiline (item);
1042 if (this_text) {
1043 text += this_text;
1044 g_free(this_text);
1045 }
1046 texts++;
1047 }
1048 }
1049 }
1050 if (!text.empty()) {
1051 Glib::RefPtr<Gtk::Clipboard> refClipboard = Gtk::Clipboard::get();
1052 refClipboard->set_text(text);
1053 }
1055 // clear old defs clipboard
1056 while (defs_clipboard) {
1057 Inkscape::GC::release((Inkscape::XML::Node *) defs_clipboard->data);
1058 defs_clipboard = g_slist_remove (defs_clipboard, defs_clipboard->data);
1059 }
1061 // clear style clipboard
1062 if (style_clipboard) {
1063 sp_repr_css_attr_unref (style_clipboard);
1064 style_clipboard = NULL;
1065 }
1067 //clear main clipboard
1068 while (clipboard) {
1069 Inkscape::GC::release((Inkscape::XML::Node *) clipboard->data);
1070 clipboard = g_slist_remove(clipboard, clipboard->data);
1071 }
1073 sp_selection_copy_impl (items, &clipboard, &defs_clipboard, &style_clipboard);
1075 if (tools_isactive (desktop, TOOLS_TEXT)) { // take style from cursor/text selection, overwriting the style just set by copy_impl
1076 SPStyle *const query = sp_style_new();
1077 if (sp_desktop_query_style_all (desktop, query)) {
1078 SPCSSAttr *css = sp_css_attr_from_style (query, SP_STYLE_FLAG_ALWAYS);
1079 if (css != NULL) {
1080 // clear style clipboard
1081 if (style_clipboard) {
1082 sp_repr_css_attr_unref (style_clipboard);
1083 style_clipboard = NULL;
1084 }
1085 //sp_repr_css_print (css);
1086 style_clipboard = css;
1087 }
1088 }
1089 g_free (query);
1090 }
1092 size_clipboard = selection->bounds();
1094 g_slist_free ((GSList *) items);
1095 }
1097 void sp_selection_paste(bool in_place)
1098 {
1099 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1101 if (desktop == NULL) {
1102 return;
1103 }
1105 SPDocument *document = sp_desktop_document(desktop);
1107 if (Inkscape::have_viable_layer(desktop, desktop->messageStack()) == false) {
1108 return;
1109 }
1111 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1113 if (tools_isactive (desktop, TOOLS_TEXT)) {
1114 if (sp_text_paste_inline(desktop->event_context))
1115 return; // pasted from system clipboard into text, nothing else to do
1116 }
1118 // check if something is in the clipboard
1119 if (clipboard == NULL) {
1120 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1121 return;
1122 }
1124 GSList *copied = sp_selection_paste_impl(document, desktop->currentLayer(), &clipboard, &defs_clipboard);
1125 // add pasted objects to selection
1126 selection->setReprList((GSList const *) copied);
1127 g_slist_free (copied);
1129 if (!in_place) {
1130 sp_document_ensure_up_to_date(document);
1132 NR::Point m( desktop->point() - selection->bounds().midpoint() );
1134 /* Snap the offset of the new item(s) to the grid */
1135 /* FIXME: this gridsnap fiddling is a hack. */
1136 Inkscape::GridSnapper &s = desktop->namedview->snap_manager.grid;
1137 gdouble const curr_gridsnap = s.getDistance();
1138 s.setDistance(NR_HUGE);
1139 m = s.freeSnap(Inkscape::Snapper::SNAP_POINT, m, NULL).getPoint();
1140 s.setDistance(curr_gridsnap);
1141 sp_selection_move_relative(selection, m);
1142 }
1144 sp_document_done(document, SP_VERB_EDIT_PASTE,
1145 _("Paste"));
1146 }
1148 void sp_selection_paste_style()
1149 {
1150 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1151 if (desktop == NULL) return;
1153 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1155 // check if something is in the clipboard
1156 if (clipboard == NULL) {
1157 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1158 return;
1159 }
1161 // check if something is selected
1162 if (selection->isEmpty()) {
1163 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste style to."));
1164 return;
1165 }
1167 paste_defs (&defs_clipboard, sp_desktop_document(desktop));
1169 sp_desktop_set_style (desktop, style_clipboard);
1171 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_STYLE,
1172 _("Paste style"));
1173 }
1175 void sp_selection_paste_size (bool apply_x, bool apply_y)
1176 {
1177 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1178 if (desktop == NULL) return;
1180 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1182 // check if something is in the clipboard
1183 if (size_clipboard.extent(NR::X) < 1e-6 || size_clipboard.extent(NR::Y) < 1e-6) {
1184 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1185 return;
1186 }
1188 // check if something is selected
1189 if (selection->isEmpty()) {
1190 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
1191 return;
1192 }
1194 NR::Rect current = selection->bounds();
1195 if (current.extent(NR::X) < 1e-6 || current.extent(NR::Y) < 1e-6) {
1196 return;
1197 }
1199 double scale_x = size_clipboard.extent(NR::X) / current.extent(NR::X);
1200 double scale_y = size_clipboard.extent(NR::Y) / current.extent(NR::Y);
1202 sp_selection_scale_relative (selection, current.midpoint(),
1203 NR::scale(
1204 apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
1205 apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
1207 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_SIZE,
1208 _("Paste size"));
1209 }
1211 void sp_selection_paste_size_separately (bool apply_x, bool apply_y)
1212 {
1213 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1214 if (desktop == NULL) return;
1216 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1218 // check if something is in the clipboard
1219 if (size_clipboard.extent(NR::X) < 1e-6 || size_clipboard.extent(NR::Y) < 1e-6) {
1220 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1221 return;
1222 }
1224 // check if something is selected
1225 if (selection->isEmpty()) {
1226 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
1227 return;
1228 }
1230 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1231 SPItem *item = SP_ITEM(l->data);
1233 NR::Rect current = sp_item_bbox_desktop(item);
1234 if (current.extent(NR::X) < 1e-6 || current.extent(NR::Y) < 1e-6) {
1235 continue;
1236 }
1238 double scale_x = size_clipboard.extent(NR::X) / current.extent(NR::X);
1239 double scale_y = size_clipboard.extent(NR::Y) / current.extent(NR::Y);
1241 sp_item_scale_rel (item,
1242 NR::scale(
1243 apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
1244 apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
1246 }
1248 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_SIZE_SEPARATELY,
1249 _("Paste size separately"));
1250 }
1252 void sp_selection_to_next_layer ()
1253 {
1254 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1256 Inkscape::Selection *selection = sp_desktop_selection(dt);
1258 // check if something is selected
1259 if (selection->isEmpty()) {
1260 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer above."));
1261 return;
1262 }
1264 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1266 bool no_more = false; // Set to true, if no more layers above
1267 SPObject *next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer());
1268 if (next) {
1269 GSList *temp_clip = NULL;
1270 sp_selection_copy_impl (items, &temp_clip, NULL, NULL); // we're in the same doc, so no need to copy defs
1271 sp_selection_delete_impl (items);
1272 next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1273 GSList *copied;
1274 if(next) {
1275 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
1276 } else {
1277 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
1278 no_more = true;
1279 }
1280 selection->setReprList((GSList const *) copied);
1281 g_slist_free (copied);
1282 if (temp_clip) g_slist_free (temp_clip);
1283 if (next) dt->setCurrentLayer(next);
1284 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_NEXT,
1285 _("Raise to next layer"));
1286 } else {
1287 no_more = true;
1288 }
1290 if (no_more) {
1291 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers above."));
1292 }
1294 g_slist_free ((GSList *) items);
1295 }
1297 void sp_selection_to_prev_layer ()
1298 {
1299 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1301 Inkscape::Selection *selection = sp_desktop_selection(dt);
1303 // check if something is selected
1304 if (selection->isEmpty()) {
1305 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer below."));
1306 return;
1307 }
1309 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1311 bool no_more = false; // Set to true, if no more layers below
1312 SPObject *next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer());
1313 if (next) {
1314 GSList *temp_clip = NULL;
1315 sp_selection_copy_impl (items, &temp_clip, NULL, NULL); // we're in the same doc, so no need to copy defs
1316 sp_selection_delete_impl (items);
1317 next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1318 GSList *copied;
1319 if(next) {
1320 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
1321 } else {
1322 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
1323 no_more = true;
1324 }
1325 selection->setReprList((GSList const *) copied);
1326 g_slist_free (copied);
1327 if (temp_clip) g_slist_free (temp_clip);
1328 if (next) dt->setCurrentLayer(next);
1329 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_PREV,
1330 _("Lower to previous layer"));
1331 } else {
1332 no_more = true;
1333 }
1335 if (no_more) {
1336 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers below."));
1337 }
1339 g_slist_free ((GSList *) items);
1340 }
1342 /** Apply matrix to the selection. \a set_i2d is normally true, which means objects are in the
1343 original transform, synced with their reprs, and need to jump to the new transform in one go. A
1344 value of set_i2d==false is only used by seltrans when it's dragging objects live (not outlines); in
1345 that case, items are already in the new position, but the repr is in the old, and this function
1346 then simply updates the repr from item->transform.
1347 */
1348 void sp_selection_apply_affine(Inkscape::Selection *selection, NR::Matrix const &affine, bool set_i2d)
1349 {
1350 if (selection->isEmpty())
1351 return;
1353 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1354 SPItem *item = SP_ITEM(l->data);
1356 NR::Point old_center(0,0);
1357 if (set_i2d && item->isCenterSet())
1358 old_center = item->getCenter();
1360 #if 0 /* Re-enable this once persistent guides have a graphical indication.
1361 At the time of writing, this is the only place to re-enable. */
1362 sp_item_update_cns(*item, selection->desktop());
1363 #endif
1365 // we're moving both a clone and its original?
1366 bool transform_clone_with_original = (SP_IS_USE(item) && selection->includes( sp_use_get_original (SP_USE(item)) ));
1367 // ...both a text-on-path and its path?
1368 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)))) ));
1369 // ...both a flowtext and its frame?
1370 bool transform_flowtext_with_frame = (SP_IS_FLOWTEXT(item) && selection->includes( SP_FLOWTEXT(item)->get_frame (NULL))); // (only the first frame is checked so far)
1371 // ...both an offset and its source?
1372 bool transform_offset_with_source = (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) && selection->includes( sp_offset_get_source (SP_OFFSET(item)) );
1374 // If we're moving a connector, we want to detach it
1375 // from shapes that aren't part of the selection, but
1376 // leave it attached if they are
1377 if (cc_item_is_connector(item)) {
1378 SPItem *attItem[2];
1379 SP_PATH(item)->connEndPair.getAttachedItems(attItem);
1381 for (int n = 0; n < 2; ++n) {
1382 if (!selection->includes(attItem[n])) {
1383 sp_conn_end_detach(item, n);
1384 }
1385 }
1386 }
1388 // "clones are unmoved when original is moved" preference
1389 int compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
1390 bool prefs_unmoved = (compensation == SP_CLONE_COMPENSATION_UNMOVED);
1391 bool prefs_parallel = (compensation == SP_CLONE_COMPENSATION_PARALLEL);
1393 // If this is a clone and it's selected along with its original, do not move it; it will feel the
1394 // transform of its original and respond to it itself. Without this, a clone is doubly
1395 // transformed, very unintuitive.
1396 // Same for textpath if we are also doing ANY transform to its path: do not touch textpath,
1397 // letters cannot be squeezed or rotated anyway, they only refill the changed path.
1398 // Same for linked offset if we are also moving its source: do not move it.
1399 if (transform_textpath_with_path || transform_offset_with_source) {
1400 // restore item->transform field from the repr, in case it was changed by seltrans
1401 sp_object_read_attr (SP_OBJECT (item), "transform");
1403 } else if (transform_flowtext_with_frame) {
1404 // apply the inverse of the region's transform to the <use> so that the flow remains
1405 // the same (even though the output itself gets transformed)
1406 for (SPObject *region = item->firstChild() ; region ; region = SP_OBJECT_NEXT(region)) {
1407 if (!SP_IS_FLOWREGION(region) && !SP_IS_FLOWREGIONEXCLUDE(region))
1408 continue;
1409 for (SPObject *use = region->firstChild() ; use ; use = SP_OBJECT_NEXT(use)) {
1410 if (!SP_IS_USE(use)) continue;
1411 sp_item_write_transform(SP_USE(use), SP_OBJECT_REPR(use), item->transform.inverse(), NULL);
1412 }
1413 }
1414 } else if (transform_clone_with_original) {
1415 // We are transforming a clone along with its original. The below matrix juggling is
1416 // necessary to ensure that they transform as a whole, i.e. the clone's induced
1417 // transform and its move compensation are both cancelled out.
1419 // restore item->transform field from the repr, in case it was changed by seltrans
1420 sp_object_read_attr (SP_OBJECT (item), "transform");
1422 // calculate the matrix we need to apply to the clone to cancel its induced transform from its original
1423 NR::Matrix parent_transform = sp_item_i2root_affine(SP_ITEM(SP_OBJECT_PARENT (item)));
1424 NR::Matrix t = parent_transform * matrix_to_desktop (matrix_from_desktop (affine, item), item) * parent_transform.inverse();
1425 NR::Matrix t_inv =parent_transform * matrix_to_desktop (matrix_from_desktop (affine.inverse(), item), item) * parent_transform.inverse();
1426 NR::Matrix result = t_inv * item->transform * t;
1428 if ((prefs_parallel || prefs_unmoved) && affine.is_translation()) {
1429 // we need to cancel out the move compensation, too
1431 // find out the clone move, same as in sp_use_move_compensate
1432 NR::Matrix parent = sp_use_get_parent_transform (SP_USE(item));
1433 NR::Matrix clone_move = parent.inverse() * t * parent;
1435 if (prefs_parallel) {
1436 NR::Matrix move = result * clone_move * t_inv;
1437 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move);
1439 } else if (prefs_unmoved) {
1440 //if (SP_IS_USE(sp_use_get_original(SP_USE(item))))
1441 // clone_move = NR::identity();
1442 NR::Matrix move = result * clone_move;
1443 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &t);
1444 }
1446 } else {
1447 // just apply the result
1448 sp_item_write_transform(item, SP_OBJECT_REPR(item), result, &t);
1449 }
1451 } else {
1452 if (set_i2d) {
1453 sp_item_set_i2d_affine(item, sp_item_i2d_affine(item) * affine);
1454 }
1455 sp_item_write_transform(item, SP_OBJECT_REPR(item), item->transform, NULL);
1456 }
1458 // if we're moving the actual object, not just updating the repr, we can transform the
1459 // center by the same matrix (only necessary for non-translations)
1460 if (set_i2d && item->isCenterSet() && !affine.is_translation()) {
1461 item->setCenter(old_center * affine);
1462 SP_OBJECT(item)->updateRepr();
1463 }
1464 }
1465 }
1467 void sp_selection_remove_transform()
1468 {
1469 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1470 if (desktop == NULL)
1471 return;
1473 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1475 GSList const *l = (GSList *) selection->reprList();
1476 while (l != NULL) {
1477 sp_repr_set_attr((Inkscape::XML::Node*)l->data, "transform", NULL);
1478 l = l->next;
1479 }
1481 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_FLATTEN,
1482 _("Remove transform"));
1483 }
1485 void
1486 sp_selection_scale_absolute(Inkscape::Selection *selection,
1487 double const x0, double const x1,
1488 double const y0, double const y1)
1489 {
1490 if (selection->isEmpty())
1491 return;
1493 NR::Rect const bbox(selection->bounds());
1494 if (bbox.isEmpty()) {
1495 return;
1496 }
1498 NR::translate const p2o(-bbox.min());
1500 NR::scale const newSize(x1 - x0,
1501 y1 - y0);
1502 NR::scale const scale( newSize / NR::scale(bbox.dimensions()) );
1503 NR::translate const o2n(x0, y0);
1504 NR::Matrix const final( p2o * scale * o2n );
1506 sp_selection_apply_affine(selection, final);
1507 }
1510 void sp_selection_scale_relative(Inkscape::Selection *selection, NR::Point const &align, NR::scale const &scale)
1511 {
1512 if (selection->isEmpty())
1513 return;
1515 NR::Rect const bbox(selection->bounds());
1517 if (bbox.isEmpty()) {
1518 return;
1519 }
1521 // FIXME: ARBITRARY LIMIT: don't try to scale above 1 Mpx, it won't display properly and will crash sooner or later anyway
1522 if ( bbox.extent(NR::X) * scale[NR::X] > 1e6 ||
1523 bbox.extent(NR::Y) * scale[NR::Y] > 1e6 )
1524 {
1525 return;
1526 }
1528 NR::translate const n2d(-align);
1529 NR::translate const d2n(align);
1530 NR::Matrix const final( n2d * scale * d2n );
1531 sp_selection_apply_affine(selection, final);
1532 }
1534 void
1535 sp_selection_rotate_relative(Inkscape::Selection *selection, NR::Point const ¢er, gdouble const angle_degrees)
1536 {
1537 NR::translate const d2n(center);
1538 NR::translate const n2d(-center);
1539 NR::rotate const rotate(rotate_degrees(angle_degrees));
1540 NR::Matrix const final( NR::Matrix(n2d) * rotate * d2n );
1541 sp_selection_apply_affine(selection, final);
1542 }
1544 void
1545 sp_selection_skew_relative(Inkscape::Selection *selection, NR::Point const &align, double dx, double dy)
1546 {
1547 NR::translate const d2n(align);
1548 NR::translate const n2d(-align);
1549 NR::Matrix const skew(1, dy,
1550 dx, 1,
1551 0, 0);
1552 NR::Matrix const final( n2d * skew * d2n );
1553 sp_selection_apply_affine(selection, final);
1554 }
1556 void sp_selection_move_relative(Inkscape::Selection *selection, NR::Point const &move)
1557 {
1558 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(move)));
1559 }
1561 void sp_selection_move_relative(Inkscape::Selection *selection, double dx, double dy)
1562 {
1563 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(dx, dy)));
1564 }
1567 /**
1568 * \brief sp_selection_rotate_90
1569 *
1570 * This function rotates selected objects 90 degrees clockwise.
1571 *
1572 */
1574 void sp_selection_rotate_90_cw()
1575 {
1576 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1578 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1580 if (selection->isEmpty())
1581 return;
1583 GSList const *l = selection->itemList();
1584 NR::rotate const rot_neg_90(NR::Point(0, -1));
1585 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1586 SPItem *item = SP_ITEM(l2->data);
1587 sp_item_rotate_rel(item, rot_neg_90);
1588 }
1590 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CCW,
1591 _("Rotate 90° CW"));
1592 }
1595 /**
1596 * \brief sp_selection_rotate_90_ccw
1597 *
1598 * This function rotates selected objects 90 degrees counter-clockwise.
1599 *
1600 */
1602 void sp_selection_rotate_90_ccw()
1603 {
1604 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1606 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1608 if (selection->isEmpty())
1609 return;
1611 GSList const *l = selection->itemList();
1612 NR::rotate const rot_neg_90(NR::Point(0, 1));
1613 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1614 SPItem *item = SP_ITEM(l2->data);
1615 sp_item_rotate_rel(item, rot_neg_90);
1616 }
1618 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CW,
1619 _("Rotate 90° CCW"));
1620 }
1622 void
1623 sp_selection_rotate(Inkscape::Selection *selection, gdouble const angle_degrees)
1624 {
1625 if (selection->isEmpty())
1626 return;
1628 NR::Point center = selection->center();
1630 sp_selection_rotate_relative(selection, center, angle_degrees);
1632 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1633 ( ( angle_degrees > 0 )
1634 ? "selector:rotate:ccw"
1635 : "selector:rotate:cw" ),
1636 SP_VERB_CONTEXT_SELECT,
1637 _("Rotate"));
1638 }
1640 /**
1641 \param angle the angle in "angular pixels", i.e. how many visible pixels must move the outermost point of the rotated object
1642 */
1643 void
1644 sp_selection_rotate_screen(Inkscape::Selection *selection, gdouble angle)
1645 {
1646 if (selection->isEmpty())
1647 return;
1649 NR::Rect const bbox(selection->bounds());
1651 NR::Point center = selection->center();
1653 gdouble const zoom = selection->desktop()->current_zoom();
1654 gdouble const zmove = angle / zoom;
1655 gdouble const r = NR::L2(bbox.max() - center);
1657 gdouble const zangle = 180 * atan2(zmove, r) / M_PI;
1659 sp_selection_rotate_relative(selection, center, zangle);
1661 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1662 ( (angle > 0)
1663 ? "selector:rotate:ccw"
1664 : "selector:rotate:cw" ),
1665 SP_VERB_CONTEXT_SELECT,
1666 _("Rotate by pixels"));
1667 }
1669 void
1670 sp_selection_scale(Inkscape::Selection *selection, gdouble grow)
1671 {
1672 if (selection->isEmpty())
1673 return;
1675 NR::Rect const bbox(selection->bounds());
1676 NR::Point const center(bbox.midpoint());
1677 double const max_len = bbox.maxExtent();
1679 // you can't scale "do nizhe pola" (below zero)
1680 if ( max_len + grow <= 1e-3 ) {
1681 return;
1682 }
1684 double const times = 1.0 + grow / max_len;
1685 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1687 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1688 ( (grow > 0)
1689 ? "selector:scale:larger"
1690 : "selector:scale:smaller" ),
1691 SP_VERB_CONTEXT_SELECT,
1692 _("Scale"));
1693 }
1695 void
1696 sp_selection_scale_screen(Inkscape::Selection *selection, gdouble grow_pixels)
1697 {
1698 sp_selection_scale(selection,
1699 grow_pixels / selection->desktop()->current_zoom());
1700 }
1702 void
1703 sp_selection_scale_times(Inkscape::Selection *selection, gdouble times)
1704 {
1705 if (selection->isEmpty())
1706 return;
1708 NR::Point const center(selection->bounds().midpoint());
1709 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1710 sp_document_done(sp_desktop_document(selection->desktop()), SP_VERB_CONTEXT_SELECT,
1711 _("Scale by whole factor"));
1712 }
1714 void
1715 sp_selection_move(gdouble dx, gdouble dy)
1716 {
1717 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1718 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1719 if (selection->isEmpty()) {
1720 return;
1721 }
1723 sp_selection_move_relative(selection, dx, dy);
1725 if (dx == 0) {
1726 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1727 _("Move vertically"));
1728 } else if (dy == 0) {
1729 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1730 _("Move horizontally"));
1731 } else {
1732 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1733 _("Move"));
1734 }
1735 }
1737 void
1738 sp_selection_move_screen(gdouble dx, gdouble dy)
1739 {
1740 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1742 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1743 if (selection->isEmpty()) {
1744 return;
1745 }
1747 // same as sp_selection_move but divide deltas by zoom factor
1748 gdouble const zoom = desktop->current_zoom();
1749 gdouble const zdx = dx / zoom;
1750 gdouble const zdy = dy / zoom;
1751 sp_selection_move_relative(selection, zdx, zdy);
1753 if (dx == 0) {
1754 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1755 _("Move vertically by pixels"));
1756 } else if (dy == 0) {
1757 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1758 _("Move horizontally by pixels"));
1759 } else {
1760 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1761 _("Move"));
1762 }
1763 }
1765 namespace {
1767 template <typename D>
1768 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1769 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1771 template <typename D>
1772 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items, SPObject *root,
1773 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1775 struct Forward {
1776 typedef SPObject *Iterator;
1778 static Iterator children(SPObject *o) { return sp_object_first_child(o); }
1779 static Iterator siblings_after(SPObject *o) { return SP_OBJECT_NEXT(o); }
1780 static void dispose(Iterator i) {}
1782 static SPObject *object(Iterator i) { return i; }
1783 static Iterator next(Iterator i) { return SP_OBJECT_NEXT(i); }
1784 };
1786 struct Reverse {
1787 typedef GSList *Iterator;
1789 static Iterator children(SPObject *o) {
1790 return make_list(o->firstChild(), NULL);
1791 }
1792 static Iterator siblings_after(SPObject *o) {
1793 return make_list(SP_OBJECT_PARENT(o)->firstChild(), o);
1794 }
1795 static void dispose(Iterator i) {
1796 g_slist_free(i);
1797 }
1799 static SPObject *object(Iterator i) {
1800 return reinterpret_cast<SPObject *>(i->data);
1801 }
1802 static Iterator next(Iterator i) { return i->next; }
1804 private:
1805 static GSList *make_list(SPObject *object, SPObject *limit) {
1806 GSList *list=NULL;
1807 while ( object != limit ) {
1808 list = g_slist_prepend(list, object);
1809 object = SP_OBJECT_NEXT(object);
1810 }
1811 return list;
1812 }
1813 };
1815 }
1817 void
1818 sp_selection_item_next(void)
1819 {
1820 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1821 g_return_if_fail(desktop != NULL);
1822 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1824 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1825 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1826 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1828 SPObject *root;
1829 if (PREFS_SELECTION_ALL != inlayer) {
1830 root = selection->activeContext();
1831 } else {
1832 root = desktop->currentRoot();
1833 }
1835 SPItem *item=next_item_from_list<Forward>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1837 if (item) {
1838 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1839 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1840 scroll_to_show_item(desktop, item);
1841 }
1842 }
1843 }
1845 void
1846 sp_selection_item_prev(void)
1847 {
1848 SPDocument *document = SP_ACTIVE_DOCUMENT;
1849 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1850 g_return_if_fail(document != NULL);
1851 g_return_if_fail(desktop != NULL);
1852 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1854 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1855 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1856 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1858 SPObject *root;
1859 if (PREFS_SELECTION_ALL != inlayer) {
1860 root = selection->activeContext();
1861 } else {
1862 root = desktop->currentRoot();
1863 }
1865 SPItem *item=next_item_from_list<Reverse>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1867 if (item) {
1868 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1869 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1870 scroll_to_show_item(desktop, item);
1871 }
1872 }
1873 }
1875 namespace {
1877 template <typename D>
1878 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items,
1879 SPObject *root, bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1880 {
1881 SPObject *current=root;
1882 while (items) {
1883 SPItem *item=SP_ITEM(items->data);
1884 if ( root->isAncestorOf(item) &&
1885 ( !only_in_viewport || desktop->isWithinViewport(item) ) )
1886 {
1887 current = item;
1888 break;
1889 }
1890 items = items->next;
1891 }
1893 GSList *path=NULL;
1894 while ( current != root ) {
1895 path = g_slist_prepend(path, current);
1896 current = SP_OBJECT_PARENT(current);
1897 }
1899 SPItem *next;
1900 // first, try from the current object
1901 next = next_item<D>(desktop, path, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1902 g_slist_free(path);
1904 if (!next) { // if we ran out of objects, start over at the root
1905 next = next_item<D>(desktop, NULL, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1906 }
1908 return next;
1909 }
1911 template <typename D>
1912 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1913 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1914 {
1915 typename D::Iterator children;
1916 typename D::Iterator iter;
1918 SPItem *found=NULL;
1920 if (path) {
1921 SPObject *object=reinterpret_cast<SPObject *>(path->data);
1922 g_assert(SP_OBJECT_PARENT(object) == root);
1923 if (desktop->isLayer(object)) {
1924 found = next_item<D>(desktop, path->next, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1925 }
1926 iter = children = D::siblings_after(object);
1927 } else {
1928 iter = children = D::children(root);
1929 }
1931 while ( iter && !found ) {
1932 SPObject *object=D::object(iter);
1933 if (desktop->isLayer(object)) {
1934 if (PREFS_SELECTION_LAYER != inlayer) { // recurse into sublayers
1935 found = next_item<D>(desktop, NULL, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1936 }
1937 } else if ( SP_IS_ITEM(object) &&
1938 ( !only_in_viewport || desktop->isWithinViewport(SP_ITEM(object)) ) &&
1939 ( !onlyvisible || !desktop->itemIsHidden(SP_ITEM(object))) &&
1940 ( !onlysensitive || !SP_ITEM(object)->isLocked()) &&
1941 !desktop->isLayer(SP_ITEM(object)) )
1942 {
1943 found = SP_ITEM(object);
1944 }
1945 iter = D::next(iter);
1946 }
1948 D::dispose(children);
1950 return found;
1951 }
1953 }
1955 /**
1956 * If \a item is not entirely visible then adjust visible area to centre on the centre on of
1957 * \a item.
1958 */
1959 void scroll_to_show_item(SPDesktop *desktop, SPItem *item)
1960 {
1961 NR::Rect dbox = desktop->get_display_area();
1962 NR::Rect sbox = sp_item_bbox_desktop(item);
1964 if (dbox.contains(sbox) == false) {
1965 NR::Point const s_dt = sbox.midpoint();
1966 NR::Point const s_w = desktop->d2w(s_dt);
1967 NR::Point const d_dt = dbox.midpoint();
1968 NR::Point const d_w = desktop->d2w(d_dt);
1969 NR::Point const moved_w( d_w - s_w );
1970 gint const dx = (gint) moved_w[X];
1971 gint const dy = (gint) moved_w[Y];
1972 desktop->scroll_world(dx, dy);
1973 }
1974 }
1977 void
1978 sp_selection_clone()
1979 {
1980 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1981 if (desktop == NULL)
1982 return;
1984 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1986 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
1988 // check if something is selected
1989 if (selection->isEmpty()) {
1990 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object</b> to clone."));
1991 return;
1992 }
1994 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
1996 selection->clear();
1998 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
1999 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
2001 GSList *newsel = NULL;
2003 while (reprs) {
2004 Inkscape::XML::Node *sel_repr = (Inkscape::XML::Node *) reprs->data;
2005 Inkscape::XML::Node *parent = sp_repr_parent(sel_repr);
2007 Inkscape::XML::Node *clone = xml_doc->createElement("svg:use");
2008 sp_repr_set_attr(clone, "x", "0");
2009 sp_repr_set_attr(clone, "y", "0");
2010 sp_repr_set_attr(clone, "xlink:href", g_strdup_printf("#%s", sel_repr->attribute("id")));
2012 sp_repr_set_attr(clone, "inkscape:transform-center-x", sel_repr->attribute("inkscape:transform-center-x"));
2013 sp_repr_set_attr(clone, "inkscape:transform-center-y", sel_repr->attribute("inkscape:transform-center-y"));
2015 // add the new clone to the top of the original's parent
2016 parent->appendChild(clone);
2018 newsel = g_slist_prepend(newsel, clone);
2019 reprs = g_slist_remove(reprs, sel_repr);
2020 Inkscape::GC::release(clone);
2021 }
2023 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_CLONE,
2024 _("Clone"));
2026 selection->setReprList(newsel);
2028 g_slist_free(newsel);
2029 }
2031 void
2032 sp_selection_unlink()
2033 {
2034 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2035 if (!desktop)
2036 return;
2038 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2040 if (selection->isEmpty()) {
2041 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>clone</b> to unlink."));
2042 return;
2043 }
2045 // Get a copy of current selection.
2046 GSList *new_select = NULL;
2047 bool unlinked = false;
2048 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2049 items != NULL;
2050 items = items->next)
2051 {
2052 SPItem *use = (SPItem *) items->data;
2054 if (!SP_IS_USE(use)) {
2055 // keep the non-yse item in the new selection
2056 new_select = g_slist_prepend(new_select, use);
2057 continue;
2058 }
2060 SPItem *unlink = sp_use_unlink(SP_USE(use));
2061 unlinked = true;
2062 // Add ungrouped items to the new selection.
2063 new_select = g_slist_prepend(new_select, unlink);
2064 }
2066 if (new_select) { // set new selection
2067 selection->clear();
2068 selection->setList(new_select);
2069 g_slist_free(new_select);
2070 }
2071 if (!unlinked) {
2072 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No clones to unlink</b> in the selection."));
2073 }
2075 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNLINK_CLONE,
2076 _("Unlink clone"));
2077 }
2079 void
2080 sp_select_clone_original()
2081 {
2082 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2083 if (desktop == NULL)
2084 return;
2086 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2088 SPItem *item = selection->singleItem();
2090 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.");
2092 // Check if other than two objects are selected
2093 if (g_slist_length((GSList *) selection->itemList()) != 1 || !item) {
2094 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2095 return;
2096 }
2098 SPItem *original = NULL;
2099 if (SP_IS_USE(item)) {
2100 original = sp_use_get_original (SP_USE(item));
2101 } else if (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) {
2102 original = sp_offset_get_source (SP_OFFSET(item));
2103 } else if (SP_IS_TEXT_TEXTPATH(item)) {
2104 original = sp_textpath_get_path_item (SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))));
2105 } else if (SP_IS_FLOWTEXT(item)) {
2106 original = SP_FLOWTEXT(item)->get_frame (NULL); // first frame only
2107 } else { // it's an object that we don't know what to do with
2108 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2109 return;
2110 }
2112 if (!original) {
2113 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>Cannot find</b> the object to select (orphaned clone, offset, textpath, flowed text?)"));
2114 return;
2115 }
2117 for (SPObject *o = original; o && !SP_IS_ROOT(o); o = SP_OBJECT_PARENT (o)) {
2118 if (SP_IS_DEFS (o)) {
2119 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("The object you're trying to select is <b>not visible</b> (it is in <defs>)"));
2120 return;
2121 }
2122 }
2124 if (original) {
2125 selection->clear();
2126 selection->set(original);
2127 if (SP_CYCLING == SP_CYCLE_FOCUS) {
2128 scroll_to_show_item(desktop, original);
2129 }
2130 }
2131 }
2133 void
2134 sp_selection_tile(bool apply)
2135 {
2136 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2137 if (desktop == NULL)
2138 return;
2140 SPDocument *document = sp_desktop_document(desktop);
2141 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(document);
2143 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2145 // check if something is selected
2146 if (selection->isEmpty()) {
2147 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to pattern."));
2148 return;
2149 }
2151 sp_document_ensure_up_to_date(document);
2152 NR::Rect r = selection->bounds();
2153 if (r.isEmpty()) {
2154 return;
2155 }
2157 // calculate the transform to be applied to objects to move them to 0,0
2158 NR::Point move_p = NR::Point(0, sp_document_height(document)) - (r.min() + NR::Point (0, r.extent(NR::Y)));
2159 move_p[NR::Y] = -move_p[NR::Y];
2160 NR::Matrix move = NR::Matrix (NR::translate (move_p));
2162 GSList *items = g_slist_copy((GSList *) selection->itemList());
2164 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2166 // bottommost object, after sorting
2167 SPObject *parent = SP_OBJECT_PARENT (items->data);
2169 NR::Matrix parent_transform = sp_item_i2root_affine(SP_ITEM(parent));
2171 // remember the position of the first item
2172 gint pos = SP_OBJECT_REPR (items->data)->position();
2174 // create a list of duplicates
2175 GSList *repr_copies = NULL;
2176 for (GSList *i = items; i != NULL; i = i->next) {
2177 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2178 repr_copies = g_slist_prepend (repr_copies, dup);
2179 }
2181 NR::Rect bounds(desktop->dt2doc(r.min()), desktop->dt2doc(r.max()));
2183 if (apply) {
2184 // delete objects so that their clones don't get alerted; this object will be restored shortly
2185 for (GSList *i = items; i != NULL; i = i->next) {
2186 SPObject *item = SP_OBJECT (i->data);
2187 item->deleteObject (false);
2188 }
2189 }
2191 // Hack: Temporarily set clone compensation to unmoved, so that we can move clone-originals
2192 // without disturbing clones.
2193 // See ActorAlign::on_button_click() in src/ui/dialog/align-and-distribute.cpp
2194 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2195 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2197 const gchar *pat_id = pattern_tile (repr_copies, bounds, document,
2198 NR::Matrix(NR::translate(desktop->dt2doc(NR::Point(r.min()[NR::X], r.max()[NR::Y])))) * parent_transform.inverse(), parent_transform * move);
2200 // restore compensation setting
2201 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
2203 if (apply) {
2204 Inkscape::XML::Node *rect = xml_doc->createElement("svg:rect");
2205 rect->setAttribute("style", g_strdup_printf("stroke:none;fill:url(#%s)", pat_id));
2207 NR::Point min = bounds.min() * parent_transform.inverse();
2208 NR::Point max = bounds.max() * parent_transform.inverse();
2210 sp_repr_set_svg_double(rect, "width", max[NR::X] - min[NR::X]);
2211 sp_repr_set_svg_double(rect, "height", max[NR::Y] - min[NR::Y]);
2212 sp_repr_set_svg_double(rect, "x", min[NR::X]);
2213 sp_repr_set_svg_double(rect, "y", min[NR::Y]);
2215 // restore parent and position
2216 SP_OBJECT_REPR (parent)->appendChild(rect);
2217 rect->setPosition(pos > 0 ? pos : 0);
2218 SPItem *rectangle = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(rect);
2220 Inkscape::GC::release(rect);
2222 selection->clear();
2223 selection->set(rectangle);
2224 }
2226 g_slist_free (items);
2228 sp_document_done (document, SP_VERB_EDIT_TILE,
2229 _("Objects to pattern"));
2230 }
2232 void
2233 sp_selection_untile()
2234 {
2235 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2236 if (desktop == NULL)
2237 return;
2239 SPDocument *document = sp_desktop_document(desktop);
2241 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2243 // check if something is selected
2244 if (selection->isEmpty()) {
2245 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object with pattern fill</b> to extract objects from."));
2246 return;
2247 }
2249 GSList *new_select = NULL;
2251 bool did = false;
2253 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2254 items != NULL;
2255 items = items->next) {
2257 SPItem *item = (SPItem *) items->data;
2259 SPStyle *style = SP_OBJECT_STYLE (item);
2261 if (!style || style->fill.type != SP_PAINT_TYPE_PAINTSERVER)
2262 continue;
2264 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
2266 if (!SP_IS_PATTERN(server))
2267 continue;
2269 did = true;
2271 SPPattern *pattern = pattern_getroot (SP_PATTERN (server));
2273 NR::Matrix pat_transform = pattern_patternTransform (SP_PATTERN (server));
2274 pat_transform *= item->transform;
2276 for (SPObject *child = sp_object_first_child(SP_OBJECT(pattern)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2277 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate();
2278 SPItem *i = SP_ITEM (desktop->currentLayer()->appendChildRepr(copy));
2280 // FIXME: relink clones to the new canvas objects
2281 // use SPObject::setid when mental finishes it to steal ids of
2283 // this is needed to make sure the new item has curve (simply requestDisplayUpdate does not work)
2284 sp_document_ensure_up_to_date (document);
2286 NR::Matrix transform( i->transform * pat_transform );
2287 sp_item_write_transform(i, SP_OBJECT_REPR(i), transform);
2289 new_select = g_slist_prepend(new_select, i);
2290 }
2292 SPCSSAttr *css = sp_repr_css_attr_new ();
2293 sp_repr_css_set_property (css, "fill", "none");
2294 sp_repr_css_change (SP_OBJECT_REPR (item), css, "style");
2295 }
2297 if (!did) {
2298 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No pattern fills</b> in the selection."));
2299 } else {
2300 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNTILE,
2301 _("Pattern to objects"));
2302 selection->setList(new_select);
2303 }
2304 }
2306 void
2307 sp_selection_get_export_hints (Inkscape::Selection *selection, const char **filename, float *xdpi, float *ydpi)
2308 {
2309 if (selection->isEmpty()) {
2310 return;
2311 }
2313 const GSList * reprlst = selection->reprList();
2314 bool filename_search = TRUE;
2315 bool xdpi_search = TRUE;
2316 bool ydpi_search = TRUE;
2318 for(; reprlst != NULL &&
2319 filename_search &&
2320 xdpi_search &&
2321 ydpi_search;
2322 reprlst = reprlst->next) {
2323 const gchar * dpi_string;
2324 Inkscape::XML::Node * repr = (Inkscape::XML::Node *)reprlst->data;
2326 if (filename_search) {
2327 *filename = repr->attribute("inkscape:export-filename");
2328 if (*filename != NULL)
2329 filename_search = FALSE;
2330 }
2332 if (xdpi_search) {
2333 dpi_string = NULL;
2334 dpi_string = repr->attribute("inkscape:export-xdpi");
2335 if (dpi_string != NULL) {
2336 *xdpi = atof(dpi_string);
2337 xdpi_search = FALSE;
2338 }
2339 }
2341 if (ydpi_search) {
2342 dpi_string = NULL;
2343 dpi_string = repr->attribute("inkscape:export-ydpi");
2344 if (dpi_string != NULL) {
2345 *ydpi = atof(dpi_string);
2346 ydpi_search = FALSE;
2347 }
2348 }
2349 }
2350 }
2352 void
2353 sp_document_get_export_hints (SPDocument * doc, const char **filename, float *xdpi, float *ydpi)
2354 {
2355 Inkscape::XML::Node * repr = sp_document_repr_root(doc);
2356 const gchar * dpi_string;
2358 *filename = repr->attribute("inkscape:export-filename");
2360 dpi_string = NULL;
2361 dpi_string = repr->attribute("inkscape:export-xdpi");
2362 if (dpi_string != NULL) {
2363 *xdpi = atof(dpi_string);
2364 }
2366 dpi_string = NULL;
2367 dpi_string = repr->attribute("inkscape:export-ydpi");
2368 if (dpi_string != NULL) {
2369 *ydpi = atof(dpi_string);
2370 }
2371 }
2373 void
2374 sp_selection_create_bitmap_copy ()
2375 {
2376 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2377 if (desktop == NULL)
2378 return;
2380 SPDocument *document = sp_desktop_document(desktop);
2381 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(document);
2383 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2385 // check if something is selected
2386 if (selection->isEmpty()) {
2387 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to make a bitmap copy."));
2388 return;
2389 }
2391 // Get the bounding box of the selection
2392 NRRect bbox;
2393 sp_document_ensure_up_to_date (document);
2394 selection->bounds(&bbox);
2395 if (NR_RECT_DFLS_TEST_EMPTY(&bbox)) {
2396 return; // exceptional situation, so not bother with a translatable error message, just quit quietly
2397 }
2399 // List of the items to show; all others will be hidden
2400 GSList *items = g_slist_copy ((GSList *) selection->itemList());
2402 // Sort items so that the topmost comes last
2403 items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);
2405 // Generate a random value from the current time (you may create bitmap from the same object(s)
2406 // multiple times, and this is done so that they don't clash)
2407 GTimeVal cu;
2408 g_get_current_time (&cu);
2409 guint current = (int) (cu.tv_sec * 1000000 + cu.tv_usec) % 1024;
2411 // Create the filename
2412 gchar *filename = g_strdup_printf ("%s-%s-%u.png", document->name, SP_OBJECT_REPR(items->data)->attribute("id"), current);
2413 // Imagemagick is known not to handle spaces in filenames, so we replace anything but letters,
2414 // digits, and a few other chars, with "_"
2415 filename = g_strcanon (filename, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.=+~$#@^&!?", '_');
2416 // Build the complete path by adding document->base if set
2417 gchar *filepath = g_build_filename (document->base?document->base:"", filename, NULL);
2419 //g_print ("%s\n", filepath);
2421 // Remember parent and z-order of the topmost one
2422 gint pos = SP_OBJECT_REPR(g_slist_last(items)->data)->position();
2423 SPObject *parent_object = SP_OBJECT_PARENT(g_slist_last(items)->data);
2424 Inkscape::XML::Node *parent = SP_OBJECT_REPR(parent_object);
2426 // Calculate resolution
2427 double res;
2428 int const prefs_res = prefs_get_int_attribute ("options.createbitmap", "resolution", 0);
2429 int const prefs_min = prefs_get_int_attribute ("options.createbitmap", "minsize", 0);
2430 if (0 < prefs_res) {
2431 // If it's given explicitly in prefs, take it
2432 res = prefs_res;
2433 } else if (0 < prefs_min) {
2434 // If minsize is given, look up minimum bitmap size (default 250 pixels) and calculate resolution from it
2435 res = PX_PER_IN * prefs_min / MIN ((bbox.x1 - bbox.x0), (bbox.y1 - bbox.y0));
2436 } else {
2437 float hint_xdpi = 0, hint_ydpi = 0;
2438 const char *hint_filename;
2439 // take resolution hint from the selected objects
2440 sp_selection_get_export_hints (selection, &hint_filename, &hint_xdpi, &hint_ydpi);
2441 if (hint_xdpi != 0) {
2442 res = hint_xdpi;
2443 } else {
2444 // take resolution hint from the document
2445 sp_document_get_export_hints (document, &hint_filename, &hint_xdpi, &hint_ydpi);
2446 if (hint_xdpi != 0) {
2447 res = hint_xdpi;
2448 } else {
2449 // if all else fails, take the default 90 dpi
2450 res = PX_PER_IN;
2451 }
2452 }
2453 }
2455 // The width and height of the bitmap in pixels
2456 unsigned width = (unsigned) floor ((bbox.x1 - bbox.x0) * res / PX_PER_IN);
2457 unsigned height =(unsigned) floor ((bbox.y1 - bbox.y0) * res / PX_PER_IN);
2459 // Find out if we have to run a filter
2460 const gchar *run = NULL;
2461 const gchar *filter = prefs_get_string_attribute ("options.createbitmap", "filter");
2462 if (filter) {
2463 // filter command is given;
2464 // see if we have a parameter to pass to it
2465 const gchar *param1 = prefs_get_string_attribute ("options.createbitmap", "filter_param1");
2466 if (param1) {
2467 if (param1[strlen(param1) - 1] == '%') {
2468 // if the param string ends with %, interpret it as a percentage of the image's max dimension
2469 gchar p1[256];
2470 g_ascii_dtostr (p1, 256, ceil (g_ascii_strtod (param1, NULL) * MAX(width, height) / 100));
2471 // the first param is always the image filename, the second is param1
2472 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, p1);
2473 } else {
2474 // otherwise pass the param1 unchanged
2475 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, param1);
2476 }
2477 } else {
2478 // run without extra parameter
2479 run = g_strdup_printf ("%s \"%s\"", filter, filepath);
2480 }
2481 }
2483 // Calculate the matrix that will be applied to the image so that it exactly overlaps the source objects
2484 NR::Matrix eek = sp_item_i2d_affine (SP_ITEM(parent_object));
2485 NR::Matrix t;
2486 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2487 t = NR::scale (1, -1) * NR::translate ((unsigned) (bbox.x0 + 0.5), (unsigned) (bbox.y1 + 0.5)) * eek.inverse();
2488 } else {
2489 t = NR::scale (1, -1) * NR::translate (bbox.x0, bbox.y1) * eek.inverse();
2490 }
2492 // Do the export
2493 sp_export_png_file(document, filepath,
2494 bbox.x0, bbox.y0, bbox.x1, bbox.y1,
2495 width, height, res, res,
2496 (guint32) 0xffffff00,
2497 NULL, NULL,
2498 true, /*bool force_overwrite,*/
2499 items);
2501 g_slist_free (items);
2503 // Run filter, if any
2504 if (run) {
2505 g_print ("Running external filter: %s\n", run);
2506 system (run);
2507 }
2509 // Import the image back
2510 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filepath, NULL);
2511 if (pb) {
2512 // Create the repr for the image
2513 Inkscape::XML::Node * repr = xml_doc->createElement("svg:image");
2514 repr->setAttribute("xlink:href", filename);
2515 repr->setAttribute("sodipodi:absref", filepath);
2516 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2517 sp_repr_set_svg_double(repr, "width", width);
2518 sp_repr_set_svg_double(repr, "height", height);
2519 } else {
2520 sp_repr_set_svg_double(repr, "width", (bbox.x1 - bbox.x0));
2521 sp_repr_set_svg_double(repr, "height", (bbox.y1 - bbox.y0));
2522 }
2524 // Write transform
2525 gchar c[256];
2526 if (sp_svg_transform_write(c, 256, t)) {
2527 repr->setAttribute("transform", c);
2528 }
2530 // add the new repr to the parent
2531 parent->appendChild(repr);
2533 // move to the saved position
2534 repr->setPosition(pos > 0 ? pos + 1 : 1);
2536 // Set selection to the new image
2537 selection->clear();
2538 selection->add(repr);
2540 // Clean up
2541 Inkscape::GC::release(repr);
2542 gdk_pixbuf_unref (pb);
2544 // Complete undoable transaction
2545 sp_document_done (document, SP_VERB_SELECTION_CREATE_BITMAP,
2546 _("Create bitmap"));
2547 }
2549 g_free (filename);
2550 g_free (filepath);
2551 }
2553 /**
2554 * \brief sp_selection_set_mask
2555 *
2556 * This function creates a mask or clipPath from selection
2557 * Two different modes:
2558 * if applyToLayer, all selection is moved to DEFS as mask/clippath
2559 * and is applied to current layer
2560 * otherwise, topmost object is used as mask for other objects
2561 * If \a apply_clip_path parameter is true, clipPath is created, otherwise mask
2562 *
2563 */
2564 void
2565 sp_selection_set_mask(bool apply_clip_path, bool apply_to_layer)
2566 {
2567 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2568 if (desktop == NULL)
2569 return;
2571 SPDocument *document = sp_desktop_document(desktop);
2573 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2575 // check if something is selected
2576 bool is_empty = selection->isEmpty();
2577 if ( apply_to_layer && is_empty) {
2578 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to create clippath or mask from."));
2579 return;
2580 } else if (!apply_to_layer && ( is_empty || NULL == selection->itemList()->next )) {
2581 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select mask object and <b>object(s)</b> to apply clippath or mask to."));
2582 return;
2583 }
2585 // FIXME: temporary patch to prevent crash!
2586 // Remove this when bboxes are fixed to not blow up on an item clipped/masked with its own clone
2587 bool clone_with_original = false;
2588 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
2589 SPItem *item = SP_ITEM(l->data);
2590 bool is_use = SP_IS_USE(item);
2591 SPItem *item_use = item;
2592 SPItem *item_use_first = item;
2593 while (is_use && item_use && !clone_with_original)
2594 {
2595 item_use = sp_use_get_original (SP_USE(item_use));
2596 clone_with_original |= selection->includes(item_use);
2597 if (item_use == item_use_first)
2598 break;
2599 is_use = SP_IS_USE(item_use);
2600 }
2601 if (clone_with_original)
2602 break;
2603 }
2604 if (clone_with_original) {
2605 return; // in this version, you cannot clip/mask an object with its own clone
2606 }
2607 // /END FIXME
2609 sp_document_ensure_up_to_date(document);
2611 GSList *items = g_slist_copy((GSList *) selection->itemList());
2613 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2615 // create a list of duplicates
2616 GSList *mask_items = NULL;
2617 GSList *apply_to_items = NULL;
2618 GSList *items_to_delete = NULL;
2619 bool topmost = prefs_get_int_attribute ("options.maskobject", "topmost", 1);
2620 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2622 if (apply_to_layer) {
2623 // all selected items are used for mask, which is applied to a layer
2624 apply_to_items = g_slist_prepend (apply_to_items, desktop->currentLayer());
2626 for (GSList *i = items; i != NULL; i = i->next) {
2627 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2628 mask_items = g_slist_prepend (mask_items, dup);
2630 if (remove_original) {
2631 SPObject *item = SP_OBJECT (i->data);
2632 items_to_delete = g_slist_prepend (items_to_delete, item);
2633 }
2634 }
2635 } else if (!topmost) {
2636 // topmost item is used as a mask, which is applied to other items in a selection
2637 GSList *i = items;
2638 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2639 mask_items = g_slist_prepend (mask_items, dup);
2641 if (remove_original) {
2642 SPObject *item = SP_OBJECT (i->data);
2643 items_to_delete = g_slist_prepend (items_to_delete, item);
2644 }
2646 for (i = i->next; i != NULL; i = i->next) {
2647 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2648 }
2649 } else {
2650 GSList *i = NULL;
2651 for (i = items; NULL != i->next; i = i->next) {
2652 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2653 }
2655 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate();
2656 mask_items = g_slist_prepend (mask_items, dup);
2658 if (remove_original) {
2659 SPObject *item = SP_OBJECT (i->data);
2660 items_to_delete = g_slist_prepend (items_to_delete, item);
2661 }
2662 }
2664 g_slist_free (items);
2665 items = NULL;
2667 gchar const* attributeName = apply_clip_path ? "clip-path" : "mask";
2668 for (GSList *i = apply_to_items; NULL != i; i = i->next) {
2669 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2670 // inverted object transform should be applied to a mask object,
2671 // as mask is calculated in user space (after applying transform)
2672 NR::Matrix maskTransform (item->transform.inverse());
2674 GSList *mask_items_dup = NULL;
2675 for (GSList *mask_item = mask_items; NULL != mask_item; mask_item = mask_item->next) {
2676 Inkscape::XML::Node *dup = reinterpret_cast<Inkscape::XML::Node *>(mask_item->data)->duplicate();
2677 mask_items_dup = g_slist_prepend (mask_items_dup, dup);
2678 }
2680 const gchar *mask_id = NULL;
2681 if (apply_clip_path) {
2682 mask_id = sp_clippath_create(mask_items_dup, document, &maskTransform);
2683 } else {
2684 mask_id = sp_mask_create(mask_items_dup, document, &maskTransform);
2685 }
2687 g_slist_free (mask_items_dup);
2688 mask_items_dup = NULL;
2690 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, g_strdup_printf("url(#%s)", mask_id));
2691 }
2693 g_slist_free (mask_items);
2694 g_slist_free (apply_to_items);
2696 for (GSList *i = items_to_delete; NULL != i; i = i->next) {
2697 SPObject *item = SP_OBJECT (i->data);
2698 item->deleteObject (false);
2699 }
2700 g_slist_free (items_to_delete);
2702 if (apply_clip_path)
2703 sp_document_done (document, SP_VERB_OBJECT_SET_CLIPPATH, _("Set clipping path"));
2704 else
2705 sp_document_done (document, SP_VERB_OBJECT_SET_MASK, _("Set mask"));
2706 }
2708 void sp_selection_unset_mask(bool apply_clip_path) {
2709 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2710 if (desktop == NULL)
2711 return;
2713 SPDocument *document = sp_desktop_document(desktop);
2714 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2716 // check if something is selected
2717 if (selection->isEmpty()) {
2718 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove clippath or mask from."));
2719 return;
2720 }
2722 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2723 sp_document_ensure_up_to_date(document);
2725 gchar const* attributeName = apply_clip_path ? "clip-path" : "mask";
2726 std::map<SPObject*,SPItem*> referenced_objects;
2727 for (GSList const*i = selection->itemList(); NULL != i; i = i->next) {
2728 if (remove_original) {
2729 // remember referenced mask/clippath, so orphaned masks can be moved back to document
2730 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2731 Inkscape::URIReference *uri_ref = NULL;
2733 if (apply_clip_path) {
2734 uri_ref = item->clip_ref;
2735 } else {
2736 uri_ref = item->mask_ref;
2737 }
2739 // collect distinct mask object (and associate with item to apply transform)
2740 if (NULL != uri_ref && NULL != uri_ref->getObject()) {
2741 referenced_objects[uri_ref->getObject()] = item;
2742 }
2743 }
2745 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, "none");
2746 }
2748 // restore mask objects into a document
2749 for ( std::map<SPObject*,SPItem*>::iterator it = referenced_objects.begin() ; it != referenced_objects.end() ; ++it) {
2750 SPObject *obj = (*it).first;
2751 GSList *items_to_move = NULL;
2752 for (SPObject *child = sp_object_first_child(obj) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2753 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate();
2754 items_to_move = g_slist_prepend (items_to_move, copy);
2755 }
2757 if (!obj->isReferenced()) {
2758 // delete from defs if no other object references this mask
2759 obj->deleteObject(false);
2760 }
2762 // remember parent and position of the item to which the clippath/mask was applied
2763 Inkscape::XML::Node *parent = SP_OBJECT_REPR((*it).second)->parent();
2764 gint pos = SP_OBJECT_REPR((*it).second)->position();
2766 for (GSList *i = items_to_move; NULL != i; i = i->next) {
2767 Inkscape::XML::Node *repr = (Inkscape::XML::Node *)i->data;
2769 // insert into parent, restore pos
2770 parent->appendChild(repr);
2771 repr->setPosition((pos + 1) > 0 ? (pos + 1) : 0);
2773 SPItem *mask_item = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(repr);
2774 selection->add(repr);
2776 // transform mask, so it is moved the same spot where mask was applied
2777 NR::Matrix transform (mask_item->transform);
2778 transform *= (*it).second->transform;
2779 sp_item_write_transform(mask_item, SP_OBJECT_REPR(mask_item), transform);
2780 }
2782 g_slist_free (items_to_move);
2783 }
2785 if (apply_clip_path)
2786 sp_document_done (document, SP_VERB_OBJECT_UNSET_CLIPPATH, _("Release clipping path"));
2787 else
2788 sp_document_done (document, SP_VERB_OBJECT_UNSET_MASK, _("Release mask"));
2789 }
2791 void fit_canvas_to_selection(SPDesktop *desktop) {
2792 g_return_if_fail(desktop != NULL);
2793 SPDocument *doc = sp_desktop_document(desktop);
2795 g_return_if_fail(doc != NULL);
2796 g_return_if_fail(desktop->selection != NULL);
2797 g_return_if_fail(!desktop->selection->isEmpty());
2798 NRRect bbox = {0,0,0,0};
2800 desktop->selection->bounds(&bbox);
2801 if (!empty(bbox)) {
2802 doc->fitToRect(bbox);
2803 }
2804 };
2806 void fit_canvas_to_drawing(SPDocument *doc) {
2807 g_return_if_fail(doc != NULL);
2808 NRRect bbox = {0,0,0,0};
2810 sp_document_ensure_up_to_date (doc);
2811 sp_item_invoke_bbox(SP_ITEM(doc->root), &bbox, sp_item_i2r_affine(SP_ITEM(doc->root)), TRUE);
2813 if (!empty(bbox)) {
2814 doc->fitToRect(bbox);
2815 }
2816 };
2818 void fit_canvas_to_selection_or_drawing(SPDesktop *desktop) {
2819 g_return_if_fail(desktop != NULL);
2820 SPDocument *doc = sp_desktop_document(desktop);
2822 g_return_if_fail(doc != NULL);
2823 g_return_if_fail(desktop->selection != NULL);
2825 if (desktop->selection->isEmpty()) {
2826 fit_canvas_to_drawing(doc);
2827 } else {
2828 fit_canvas_to_selection(desktop);
2829 }
2831 sp_document_done(doc, SP_VERB_FIT_CANVAS_TO_DRAWING,
2832 _("Fit page to selection"));
2833 };
2835 /*
2836 Local Variables:
2837 mode:c++
2838 c-file-style:"stroustrup"
2839 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
2840 indent-tabs-mode:nil
2841 fill-column:99
2842 End:
2843 */
2844 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :