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 #include "xml/simple-document.h"
77 using NR::X;
78 using NR::Y;
80 #include "selection-chemistry.h"
82 /* fixme: find a better place */
83 Inkscape::XML::Document *clipboard_document = NULL;
84 GSList *clipboard = NULL;
85 GSList *defs_clipboard = NULL;
86 SPCSSAttr *style_clipboard = NULL;
87 NR::Maybe<NR::Rect> size_clipboard;
89 static void sp_copy_stuff_used_by_item(GSList **defs_clip, SPItem *item, const GSList *items, Inkscape::XML::Document* xml_doc);
91 /**
92 * Copies repr and its inherited css style elements, along with the accumulated transform 'full_t',
93 * then prepends the copy to 'clip'.
94 */
95 void sp_selection_copy_one (Inkscape::XML::Node *repr, NR::Matrix full_t, GSList **clip, Inkscape::XML::Document* xml_doc)
96 {
97 Inkscape::XML::Node *copy = repr->duplicate(xml_doc);
99 // copy complete inherited style
100 SPCSSAttr *css = sp_repr_css_attr_inherited(repr, "style");
101 sp_repr_css_set(copy, css, "style");
102 sp_repr_css_attr_unref(css);
104 // write the complete accumulated transform passed to us
105 // (we're dealing with unattached repr, so we write to its attr
106 // instead of using sp_item_set_transform)
107 gchar *affinestr=sp_svg_transform_write(full_t);
108 copy->setAttribute("transform", affinestr);
109 g_free(affinestr);
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, Inkscape::XML::Document* xml_doc)
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, xml_doc);
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, xml_doc);
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::Document *xml_doc = sp_document_repr_doc(doc);
163 Inkscape::XML::Node *copy = repr->duplicate(xml_doc);
164 SP_OBJECT_REPR(defs)->addChild(copy, NULL);
165 Inkscape::GC::release(copy);
166 }
167 }
168 }
170 GSList *sp_selection_paste_impl (SPDocument *doc, SPObject *parent, GSList **clip, GSList **defs_clip)
171 {
172 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
173 paste_defs (defs_clip, doc);
175 GSList *copied = NULL;
176 // add objects to document
177 for (GSList *l = *clip; l != NULL; l = l->next) {
178 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
179 Inkscape::XML::Node *copy = repr->duplicate(xml_doc);
181 // premultiply the item transform by the accumulated parent transform in the paste layer
182 NR::Matrix local = sp_item_i2doc_affine(SP_ITEM(parent));
183 if (!local.test_identity()) {
184 gchar const *t_str = copy->attribute("transform");
185 NR::Matrix item_t (NR::identity());
186 if (t_str)
187 sp_svg_transform_read(t_str, &item_t);
188 item_t *= local.inverse();
189 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
190 gchar *affinestr=sp_svg_transform_write(item_t);
191 copy->setAttribute("transform", affinestr);
192 g_free(affinestr);
193 }
195 parent->appendChildRepr(copy);
196 copied = g_slist_prepend(copied, copy);
197 Inkscape::GC::release(copy);
198 }
199 return copied;
200 }
202 void sp_selection_delete_impl(const GSList *items)
203 {
204 for (const GSList *i = items ; i ; i = i->next ) {
205 sp_object_ref((SPObject *)i->data, NULL);
206 }
207 for (const GSList *i = items; i != NULL; i = i->next) {
208 SPItem *item = (SPItem *) i->data;
209 SP_OBJECT(item)->deleteObject();
210 sp_object_unref((SPObject *)item, NULL);
211 }
212 }
215 void sp_selection_delete()
216 {
217 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
218 if (desktop == NULL) {
219 return;
220 }
222 if (tools_isactive (desktop, TOOLS_TEXT))
223 if (sp_text_delete_selection(desktop->event_context)) {
224 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_TEXT,
225 _("Delete text"));
226 return;
227 }
229 Inkscape::Selection *selection = sp_desktop_selection(desktop);
231 // check if something is selected
232 if (selection->isEmpty()) {
233 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Nothing</b> was deleted."));
234 return;
235 }
237 const GSList *selected = g_slist_copy(const_cast<GSList *>(selection->itemList()));
238 selection->clear();
239 sp_selection_delete_impl (selected);
240 g_slist_free ((GSList *) selected);
242 /* a tool may have set up private information in it's selection context
243 * that depends on desktop items. I think the only sane way to deal with
244 * this currently is to reset the current tool, which will reset it's
245 * associated selection context. For example: deleting an object
246 * while moving it around the canvas.
247 */
248 tools_switch ( desktop, tools_active ( desktop ) );
250 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DELETE,
251 _("Delete"));
252 }
254 /* fixme: sequencing */
255 void sp_selection_duplicate()
256 {
257 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
258 if (desktop == NULL)
259 return;
261 Inkscape::XML::Document* xml_doc = sp_document_repr_doc(desktop->doc());
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(xml_doc);
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 *doc = sp_desktop_document (desktop);
434 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
436 Inkscape::Selection *selection = sp_desktop_selection(desktop);
438 // Check if something is selected.
439 if (selection->isEmpty()) {
440 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>some objects</b> to group."));
441 return;
442 }
444 GSList const *l = (GSList *) selection->reprList();
446 GSList *p = g_slist_copy((GSList *) l);
448 selection->clear();
450 p = g_slist_sort(p, (GCompareFunc) sp_repr_compare_position);
452 // Remember the position and parent of the topmost object.
453 gint topmost = ((Inkscape::XML::Node *) g_slist_last(p)->data)->position();
454 Inkscape::XML::Node *topmost_parent = ((Inkscape::XML::Node *) g_slist_last(p)->data)->parent();
456 Inkscape::XML::Node *group = xml_doc->createElement("svg:g");
458 while (p) {
459 Inkscape::XML::Node *current = (Inkscape::XML::Node *) p->data;
461 if (current->parent() == topmost_parent) {
462 Inkscape::XML::Node *spnew = current->duplicate(xml_doc);
463 sp_repr_unparent(current);
464 group->appendChild(spnew);
465 Inkscape::GC::release(spnew);
466 topmost --; // only reduce count for those items deleted from topmost_parent
467 } else { // move it to topmost_parent first
468 GSList *temp_clip = NULL;
470 // At this point, current may already have no item, due to its being a clone whose original is already moved away
471 // So we copy it artificially calculating the transform from its repr->attr("transform") and the parent transform
472 gchar const *t_str = current->attribute("transform");
473 NR::Matrix item_t (NR::identity());
474 if (t_str)
475 sp_svg_transform_read(t_str, &item_t);
476 item_t *= sp_item_i2doc_affine(SP_ITEM(doc->getObjectByRepr(current->parent())));
477 //FIXME: when moving both clone and original from a transformed group (either by
478 //grouping into another parent, or by cut/paste) the transform from the original's
479 //parent becomes embedded into original itself, and this affects its clones. Fix
480 //this by remembering the transform diffs we write to each item into an array and
481 //then, if this is clone, looking up its original in that array and pre-multiplying
482 //it by the inverse of that original's transform diff.
484 sp_selection_copy_one (current, item_t, &temp_clip, xml_doc);
485 sp_repr_unparent(current);
487 // paste into topmost_parent (temporarily)
488 GSList *copied = sp_selection_paste_impl (doc, doc->getObjectByRepr(topmost_parent), &temp_clip, NULL);
489 if (temp_clip) g_slist_free (temp_clip);
490 if (copied) { // if success,
491 // take pasted object (now in topmost_parent)
492 Inkscape::XML::Node *in_topmost = (Inkscape::XML::Node *) copied->data;
493 // make a copy
494 Inkscape::XML::Node *spnew = in_topmost->duplicate(xml_doc);
495 // remove pasted
496 sp_repr_unparent(in_topmost);
497 // put its copy into group
498 group->appendChild(spnew);
499 Inkscape::GC::release(spnew);
500 g_slist_free (copied);
501 }
502 }
503 p = g_slist_remove(p, current);
504 }
506 // Add the new group to the topmost members' parent
507 topmost_parent->appendChild(group);
509 // Move to the position of the topmost, reduced by the number of items deleted from topmost_parent
510 group->setPosition(topmost + 1);
512 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_GROUP,
513 _("Group"));
515 selection->set(group);
516 Inkscape::GC::release(group);
517 }
519 void sp_selection_ungroup()
520 {
521 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
522 if (desktop == NULL)
523 return;
525 Inkscape::Selection *selection = sp_desktop_selection(desktop);
527 if (selection->isEmpty()) {
528 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>group</b> to ungroup."));
529 return;
530 }
532 GSList *items = g_slist_copy((GSList *) selection->itemList());
533 selection->clear();
535 // Get a copy of current selection.
536 GSList *new_select = NULL;
537 bool ungrouped = false;
538 for (GSList *i = items;
539 i != NULL;
540 i = i->next)
541 {
542 SPItem *group = (SPItem *) i->data;
544 // when ungrouping cloned groups with their originals, some objects that were selected may no more exist due to unlinking
545 if (!SP_IS_OBJECT(group)) {
546 continue;
547 }
549 /* We do not allow ungrouping <svg> etc. (lauris) */
550 if (strcmp(SP_OBJECT_REPR(group)->name(), "svg:g") && strcmp(SP_OBJECT_REPR(group)->name(), "svg:switch")) {
551 // keep the non-group item in the new selection
552 selection->add(group);
553 continue;
554 }
556 GSList *children = NULL;
557 /* This is not strictly required, but is nicer to rely on group ::destroy (lauris) */
558 sp_item_group_ungroup(SP_GROUP(group), &children, false);
559 ungrouped = true;
560 // Add ungrouped items to the new selection.
561 new_select = g_slist_concat(new_select, children);
562 }
564 if (new_select) { // Set new selection.
565 selection->addList(new_select);
566 g_slist_free(new_select);
567 }
568 if (!ungrouped) {
569 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No groups</b> to ungroup in the selection."));
570 }
572 g_slist_free(items);
574 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_UNGROUP,
575 _("Ungroup"));
576 }
578 static SPGroup *
579 sp_item_list_common_parent_group(const GSList *items)
580 {
581 if (!items) {
582 return NULL;
583 }
584 SPObject *parent = SP_OBJECT_PARENT(items->data);
585 /* Strictly speaking this CAN happen, if user selects <svg> from Inkscape::XML editor */
586 if (!SP_IS_GROUP(parent)) {
587 return NULL;
588 }
589 for (items = items->next; items; items = items->next) {
590 if (SP_OBJECT_PARENT(items->data) != parent) {
591 return NULL;
592 }
593 }
595 return SP_GROUP(parent);
596 }
598 /** Finds out the minimum common bbox of the selected items
599 */
600 static NR::Maybe<NR::Rect>
601 enclose_items(const GSList *items)
602 {
603 g_assert(items != NULL);
605 NR::Maybe<NR::Rect> r = NR::Nothing();
606 for (GSList const *i = items; i; i = i->next) {
607 r = NR::union_bounds(r, sp_item_bbox_desktop((SPItem *) i->data));
608 }
609 return r;
610 }
612 SPObject *
613 prev_sibling(SPObject *child)
614 {
615 SPObject *parent = SP_OBJECT_PARENT(child);
616 if (!SP_IS_GROUP(parent)) {
617 return NULL;
618 }
619 for ( SPObject *i = sp_object_first_child(parent) ; i; i = SP_OBJECT_NEXT(i) ) {
620 if (i->next == child)
621 return i;
622 }
623 return NULL;
624 }
626 void
627 sp_selection_raise()
628 {
629 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
630 if (!desktop)
631 return;
633 Inkscape::Selection *selection = sp_desktop_selection(desktop);
635 GSList const *items = (GSList *) selection->itemList();
636 if (!items) {
637 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise."));
638 return;
639 }
641 SPGroup const *group = sp_item_list_common_parent_group(items);
642 if (!group) {
643 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
644 return;
645 }
647 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
649 /* construct reverse-ordered list of selected children */
650 GSList *rev = g_slist_copy((GSList *) items);
651 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
653 // find out the common bbox of the selected items
654 NR::Maybe<NR::Rect> selected = enclose_items(items);
656 // for all objects in the selection (starting from top)
657 if (selected) {
658 while (rev) {
659 SPObject *child = SP_OBJECT(rev->data);
660 // for each selected object, find the next sibling
661 for (SPObject *newref = child->next; newref; newref = newref->next) {
662 // if the sibling is an item AND overlaps our selection,
663 if (SP_IS_ITEM(newref)) {
664 NR::Maybe<NR::Rect> newref_bbox = sp_item_bbox_desktop(SP_ITEM(newref));
665 if ( newref_bbox && selected->intersects(*newref_bbox) ) {
666 // AND if it's not one of our selected objects,
667 if (!g_slist_find((GSList *) items, newref)) {
668 // move the selected object after that sibling
669 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(newref));
670 }
671 break;
672 }
673 }
674 }
675 rev = g_slist_remove(rev, child);
676 }
677 } else {
678 g_slist_free(rev);
679 }
681 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_RAISE,
682 _("Raise"));
683 }
685 void sp_selection_raise_to_top()
686 {
687 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
688 if (desktop == NULL)
689 return;
691 SPDocument *document = sp_desktop_document(desktop);
692 Inkscape::Selection *selection = sp_desktop_selection(desktop);
694 if (selection->isEmpty()) {
695 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise to top."));
696 return;
697 }
699 GSList const *items = (GSList *) selection->itemList();
701 SPGroup const *group = sp_item_list_common_parent_group(items);
702 if (!group) {
703 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
704 return;
705 }
707 GSList *rl = g_slist_copy((GSList *) selection->reprList());
708 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
710 for (GSList *l = rl; l != NULL; l = l->next) {
711 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
712 repr->setPosition(-1);
713 }
715 g_slist_free(rl);
717 sp_document_done(document, SP_VERB_SELECTION_TO_FRONT,
718 _("Raise to top"));
719 }
721 void
722 sp_selection_lower()
723 {
724 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
725 if (desktop == NULL)
726 return;
728 Inkscape::Selection *selection = sp_desktop_selection(desktop);
730 GSList const *items = (GSList *) selection->itemList();
731 if (!items) {
732 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower."));
733 return;
734 }
736 SPGroup const *group = sp_item_list_common_parent_group(items);
737 if (!group) {
738 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
739 return;
740 }
742 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
744 // find out the common bbox of the selected items
745 NR::Maybe<NR::Rect> selected = enclose_items(items);
747 /* construct direct-ordered list of selected children */
748 GSList *rev = g_slist_copy((GSList *) items);
749 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
750 rev = g_slist_reverse(rev);
752 // for all objects in the selection (starting from top)
753 if (selected) {
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)) {
760 NR::Maybe<NR::Rect> ref_bbox = sp_item_bbox_desktop(SP_ITEM(newref));
761 if ( ref_bbox && selected->intersects(*ref_bbox) ) {
762 // AND if it's not one of our selected objects,
763 if (!g_slist_find((GSList *) items, newref)) {
764 // move the selected object before that sibling
765 SPObject *put_after = prev_sibling(newref);
766 if (put_after)
767 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(put_after));
768 else
769 SP_OBJECT_REPR(child)->setPosition(0);
770 }
771 break;
772 }
773 }
774 }
775 rev = g_slist_remove(rev, child);
776 }
777 } else {
778 g_slist_free(rev);
779 }
781 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_LOWER,
782 _("Lower"));
783 }
785 void sp_selection_lower_to_bottom()
786 {
787 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
788 if (desktop == NULL)
789 return;
791 SPDocument *document = sp_desktop_document(desktop);
792 Inkscape::Selection *selection = sp_desktop_selection(desktop);
794 if (selection->isEmpty()) {
795 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower to bottom."));
796 return;
797 }
799 GSList const *items = (GSList *) selection->itemList();
801 SPGroup const *group = sp_item_list_common_parent_group(items);
802 if (!group) {
803 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
804 return;
805 }
807 GSList *rl;
808 rl = g_slist_copy((GSList *) selection->reprList());
809 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
810 rl = g_slist_reverse(rl);
812 for (GSList *l = rl; l != NULL; l = l->next) {
813 gint minpos;
814 SPObject *pp, *pc;
815 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
816 pp = document->getObjectByRepr(sp_repr_parent(repr));
817 minpos = 0;
818 g_assert(SP_IS_GROUP(pp));
819 pc = sp_object_first_child(pp);
820 while (!SP_IS_ITEM(pc)) {
821 minpos += 1;
822 pc = pc->next;
823 }
824 repr->setPosition(minpos);
825 }
827 g_slist_free(rl);
829 sp_document_done(document, SP_VERB_SELECTION_TO_BACK,
830 _("Lower to bottom"));
831 }
833 void
834 sp_undo(SPDesktop *desktop, SPDocument *)
835 {
836 if (!sp_document_undo(sp_desktop_document(desktop)))
837 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to undo."));
838 }
840 void
841 sp_redo(SPDesktop *desktop, SPDocument *)
842 {
843 if (!sp_document_redo(sp_desktop_document(desktop)))
844 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to redo."));
845 }
847 void sp_selection_cut()
848 {
849 sp_selection_copy();
850 sp_selection_delete();
851 }
853 void sp_copy_gradient (GSList **defs_clip, SPGradient *gradient, Inkscape::XML::Document* xml_doc)
854 {
855 SPGradient *ref = gradient;
857 while (ref) {
858 // climb up the refs, copying each one in the chain
859 Inkscape::XML::Node *grad_repr = SP_OBJECT_REPR(ref)->duplicate(xml_doc);
860 *defs_clip = g_slist_prepend (*defs_clip, grad_repr);
862 ref = ref->ref->getObject();
863 }
864 }
866 void sp_copy_pattern (GSList **defs_clip, SPPattern *pattern, Inkscape::XML::Document* xml_doc)
867 {
868 SPPattern *ref = pattern;
870 while (ref) {
871 // climb up the refs, copying each one in the chain
872 Inkscape::XML::Node *pattern_repr = SP_OBJECT_REPR(ref)->duplicate(xml_doc);
873 *defs_clip = g_slist_prepend (*defs_clip, pattern_repr);
875 // items in the pattern may also use gradients and other patterns, so we need to recurse here as well
876 for (SPObject *child = sp_object_first_child(SP_OBJECT(ref)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
877 if (!SP_IS_ITEM (child))
878 continue;
879 sp_copy_stuff_used_by_item (defs_clip, (SPItem *) child, NULL, xml_doc);
880 }
882 ref = ref->ref->getObject();
883 }
884 }
886 void sp_copy_single (GSList **defs_clip, SPObject *thing, Inkscape::XML::Document* xml_doc)
887 {
888 Inkscape::XML::Node *duplicate_repr = SP_OBJECT_REPR(thing)->duplicate(xml_doc);
889 *defs_clip = g_slist_prepend (*defs_clip, duplicate_repr);
890 }
893 void sp_copy_textpath_path (GSList **defs_clip, SPTextPath *tp, const GSList *items, Inkscape::XML::Document* xml_doc)
894 {
895 SPItem *path = sp_textpath_get_path_item (tp);
896 if (!path)
897 return;
898 if (items && g_slist_find ((GSList *) items, path)) // do not copy it to defs if it is already in the list of items copied
899 return;
900 Inkscape::XML::Node *repr = SP_OBJECT_REPR(path)->duplicate(xml_doc);
901 *defs_clip = g_slist_prepend (*defs_clip, repr);
902 }
904 /**
905 * Copies things like patterns, markers, gradients, etc.
906 */
907 void sp_copy_stuff_used_by_item (GSList **defs_clip, SPItem *item, const GSList *items, Inkscape::XML::Document* xml_doc)
908 {
909 SPStyle *style = SP_OBJECT_STYLE (item);
911 if (style && (style->fill.type == SP_PAINT_TYPE_PAINTSERVER)) {
912 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
913 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
914 sp_copy_gradient (defs_clip, SP_GRADIENT(server), xml_doc);
915 if (SP_IS_PATTERN (server))
916 sp_copy_pattern (defs_clip, SP_PATTERN(server), xml_doc);
917 }
919 if (style && (style->stroke.type == SP_PAINT_TYPE_PAINTSERVER)) {
920 SPObject *server = SP_OBJECT_STYLE_STROKE_SERVER(item);
921 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
922 sp_copy_gradient (defs_clip, SP_GRADIENT(server), xml_doc);
923 if (SP_IS_PATTERN (server))
924 sp_copy_pattern (defs_clip, SP_PATTERN(server), xml_doc);
925 }
927 // For shapes, copy all of the shape's markers into defs_clip
928 if (SP_IS_SHAPE (item)) {
929 SPShape *shape = SP_SHAPE (item);
930 for (int i = 0 ; i < SP_MARKER_LOC_QTY ; i++) {
931 if (shape->marker[i]) {
932 sp_copy_single (defs_clip, SP_OBJECT (shape->marker[i]), xml_doc);
933 }
934 }
935 }
937 if (SP_IS_TEXT_TEXTPATH (item)) {
938 sp_copy_textpath_path (defs_clip, SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))), items, xml_doc);
939 }
941 if (item->clip_ref->getObject()) {
942 sp_copy_single (defs_clip, item->clip_ref->getObject(), xml_doc);
943 }
945 if (item->mask_ref->getObject()) {
946 SPObject *mask = item->mask_ref->getObject();
947 sp_copy_single (defs_clip, mask, xml_doc);
948 // recurse into the mask for its gradients etc.
949 for (SPObject *o = SP_OBJECT(mask)->children; o != NULL; o = o->next) {
950 if (SP_IS_ITEM(o))
951 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items, xml_doc);
952 }
953 }
955 if (style->filter.filter) {
956 SPObject *filter = style->filter.filter;
957 if (SP_IS_FILTER(filter)) {
958 sp_copy_single (defs_clip, filter, xml_doc);
959 }
960 }
962 // recurse
963 for (SPObject *o = SP_OBJECT(item)->children; o != NULL; o = o->next) {
964 if (SP_IS_ITEM(o))
965 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items, xml_doc);
966 }
967 }
969 /**
970 * \pre item != NULL
971 */
972 SPCSSAttr *
973 take_style_from_item (SPItem *item)
974 {
975 // write the complete cascaded style, context-free
976 SPCSSAttr *css = sp_css_attr_from_object (SP_OBJECT(item), SP_STYLE_FLAG_ALWAYS);
977 if (css == NULL)
978 return NULL;
980 if ((SP_IS_GROUP(item) && SP_OBJECT(item)->children) ||
981 (SP_IS_TEXT (item) && SP_OBJECT(item)->children && SP_OBJECT(item)->children->next == NULL)) {
982 // if this is a text with exactly one tspan child, merge the style of that tspan as well
983 // If this is a group, merge the style of its topmost (last) child with style
984 for (SPObject *last_element = item->lastChild(); last_element != NULL; last_element = SP_OBJECT_PREV (last_element)) {
985 if (SP_OBJECT_STYLE (last_element) != NULL) {
986 SPCSSAttr *temp = sp_css_attr_from_object (last_element, SP_STYLE_FLAG_IFSET);
987 if (temp) {
988 sp_repr_css_merge (css, temp);
989 sp_repr_css_attr_unref (temp);
990 }
991 break;
992 }
993 }
994 }
995 if (!(SP_IS_TEXT (item) || SP_IS_TSPAN (item) || SP_IS_STRING (item))) {
996 // do not copy text properties from non-text objects, it's confusing
997 css = sp_css_attr_unset_text (css);
998 }
1000 // FIXME: also transform gradient/pattern fills, by forking? NO, this must be nondestructive
1001 double ex = NR::expansion(sp_item_i2doc_affine(item));
1002 if (ex != 1.0) {
1003 css = sp_css_attr_scale (css, ex);
1004 }
1006 return css;
1007 }
1010 void sp_selection_copy()
1011 {
1012 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1013 if (desktop == NULL)
1014 return;
1016 if (!clipboard_document) {
1017 clipboard_document = new Inkscape::XML::SimpleDocument();
1018 }
1020 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1022 if (tools_isactive (desktop, TOOLS_DROPPER)) {
1023 sp_dropper_context_copy(desktop->event_context);
1024 return; // copied color under cursor, nothing else to do
1025 }
1027 // check if something is selected
1028 if (selection->isEmpty()) {
1029 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing was copied."));
1030 return;
1031 }
1033 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1035 // 0. Copy text to system clipboard
1036 // FIXME: for non-texts, put serialized Inkscape::XML as text to the clipboard;
1037 //for this sp_repr_write_stream needs to be rewritten with iostream instead of FILE
1038 Glib::ustring text;
1039 if (tools_isactive (desktop, TOOLS_TEXT)) {
1040 text = sp_text_get_selected_text(desktop->event_context);
1041 }
1043 if (text.empty()) {
1044 guint texts = 0;
1045 for (GSList *i = (GSList *) items; i; i = i->next) {
1046 SPItem *item = SP_ITEM (i->data);
1047 if (SP_IS_TEXT (item) || SP_IS_FLOWTEXT(item)) {
1048 if (texts > 0) // if more than one text object is copied, separate them by spaces
1049 text += " ";
1050 gchar *this_text = sp_te_get_string_multiline (item);
1051 if (this_text) {
1052 text += this_text;
1053 g_free(this_text);
1054 }
1055 texts++;
1056 }
1057 }
1058 }
1059 if (!text.empty()) {
1060 Glib::RefPtr<Gtk::Clipboard> refClipboard = Gtk::Clipboard::get();
1061 refClipboard->set_text(text);
1062 }
1064 // clear old defs clipboard
1065 while (defs_clipboard) {
1066 Inkscape::GC::release((Inkscape::XML::Node *) defs_clipboard->data);
1067 defs_clipboard = g_slist_remove (defs_clipboard, defs_clipboard->data);
1068 }
1070 // clear style clipboard
1071 if (style_clipboard) {
1072 sp_repr_css_attr_unref (style_clipboard);
1073 style_clipboard = NULL;
1074 }
1076 //clear main clipboard
1077 while (clipboard) {
1078 Inkscape::GC::release((Inkscape::XML::Node *) clipboard->data);
1079 clipboard = g_slist_remove(clipboard, clipboard->data);
1080 }
1082 sp_selection_copy_impl (items, &clipboard, &defs_clipboard, &style_clipboard, clipboard_document);
1084 if (tools_isactive (desktop, TOOLS_TEXT)) { // take style from cursor/text selection, overwriting the style just set by copy_impl
1085 SPStyle *const query = sp_style_new();
1086 if (sp_desktop_query_style_all (desktop, query)) {
1087 SPCSSAttr *css = sp_css_attr_from_style (query, SP_STYLE_FLAG_ALWAYS);
1088 if (css != NULL) {
1089 // clear style clipboard
1090 if (style_clipboard) {
1091 sp_repr_css_attr_unref (style_clipboard);
1092 style_clipboard = NULL;
1093 }
1094 //sp_repr_css_print (css);
1095 style_clipboard = css;
1096 }
1097 }
1098 g_free (query);
1099 }
1101 size_clipboard = selection->bounds();
1103 g_slist_free ((GSList *) items);
1104 }
1106 void sp_selection_paste(bool in_place)
1107 {
1108 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1110 if (desktop == NULL) {
1111 return;
1112 }
1114 SPDocument *document = sp_desktop_document(desktop);
1116 if (Inkscape::have_viable_layer(desktop, desktop->messageStack()) == false) {
1117 return;
1118 }
1120 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1122 if (tools_isactive (desktop, TOOLS_TEXT)) {
1123 if (sp_text_paste_inline(desktop->event_context))
1124 return; // pasted from system clipboard into text, nothing else to do
1125 }
1127 // check if something is in the clipboard
1128 if (clipboard == NULL) {
1129 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1130 return;
1131 }
1133 GSList *copied = sp_selection_paste_impl(document, desktop->currentLayer(), &clipboard, &defs_clipboard);
1134 // add pasted objects to selection
1135 selection->setReprList((GSList const *) copied);
1136 g_slist_free (copied);
1138 if (!in_place) {
1139 sp_document_ensure_up_to_date(document);
1141 NR::Maybe<NR::Rect> sel_bbox = selection->bounds();
1142 NR::Point m( desktop->point() );
1143 if (sel_bbox) {
1144 m -= sel_bbox->midpoint();
1145 }
1147 /* Snap the offset of the new item(s) to the grid */
1148 /* FIXME: this gridsnap fiddling is a hack. */
1149 Inkscape::GridSnapper &s = desktop->namedview->snap_manager.grid;
1150 gdouble const curr_gridsnap = s.getDistance();
1151 s.setDistance(NR_HUGE);
1152 m = s.freeSnap(Inkscape::Snapper::SNAP_POINT, m, NULL).getPoint();
1153 s.setDistance(curr_gridsnap);
1154 sp_selection_move_relative(selection, m);
1155 }
1157 sp_document_done(document, SP_VERB_EDIT_PASTE,
1158 _("Paste"));
1159 }
1161 void sp_selection_paste_style()
1162 {
1163 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1164 if (desktop == NULL) return;
1166 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1168 // check if something is in the clipboard
1169 if (clipboard == NULL) {
1170 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1171 return;
1172 }
1174 // check if something is selected
1175 if (selection->isEmpty()) {
1176 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste style to."));
1177 return;
1178 }
1180 paste_defs (&defs_clipboard, sp_desktop_document(desktop));
1182 sp_desktop_set_style (desktop, style_clipboard);
1184 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_STYLE,
1185 _("Paste style"));
1186 }
1188 void sp_selection_paste_size (bool apply_x, bool apply_y)
1189 {
1190 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1191 if (desktop == NULL) return;
1193 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1195 // check if something is in the clipboard
1196 if (!size_clipboard) {
1197 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1198 return;
1199 }
1201 // check if something is selected
1202 if (selection->isEmpty()) {
1203 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
1204 return;
1205 }
1207 NR::Maybe<NR::Rect> current = selection->bounds();
1208 if ( !current || current->isEmpty() ) {
1209 return;
1210 }
1212 double scale_x = size_clipboard->extent(NR::X) / current->extent(NR::X);
1213 double scale_y = size_clipboard->extent(NR::Y) / current->extent(NR::Y);
1215 sp_selection_scale_relative (selection, current->midpoint(),
1216 NR::scale(
1217 apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
1218 apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
1220 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_SIZE,
1221 _("Paste size"));
1222 }
1224 void sp_selection_paste_size_separately (bool apply_x, bool apply_y)
1225 {
1226 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1227 if (desktop == NULL) return;
1229 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1231 // check if something is in the clipboard
1232 if ( !size_clipboard ) {
1233 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1234 return;
1235 }
1237 // check if something is selected
1238 if (selection->isEmpty()) {
1239 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
1240 return;
1241 }
1243 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1244 SPItem *item = SP_ITEM(l->data);
1246 NR::Maybe<NR::Rect> current = sp_item_bbox_desktop(item);
1247 if ( !current || current->isEmpty() ) {
1248 continue;
1249 }
1251 double scale_x = size_clipboard->extent(NR::X) / current->extent(NR::X);
1252 double scale_y = size_clipboard->extent(NR::Y) / current->extent(NR::Y);
1254 sp_item_scale_rel (item,
1255 NR::scale(
1256 apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
1257 apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
1259 }
1261 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_SIZE_SEPARATELY,
1262 _("Paste size separately"));
1263 }
1265 void sp_selection_to_next_layer ()
1266 {
1267 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1269 Inkscape::Selection *selection = sp_desktop_selection(dt);
1271 // check if something is selected
1272 if (selection->isEmpty()) {
1273 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer above."));
1274 return;
1275 }
1277 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1279 bool no_more = false; // Set to true, if no more layers above
1280 SPObject *next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer());
1281 if (next) {
1282 GSList *temp_clip = NULL;
1283 sp_selection_copy_impl (items, &temp_clip, NULL, NULL, sp_document_repr_doc(dt->doc())); // we're in the same doc, so no need to copy defs
1284 sp_selection_delete_impl (items);
1285 next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1286 GSList *copied;
1287 if(next) {
1288 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
1289 } else {
1290 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
1291 no_more = true;
1292 }
1293 selection->setReprList((GSList const *) copied);
1294 g_slist_free (copied);
1295 if (temp_clip) g_slist_free (temp_clip);
1296 if (next) dt->setCurrentLayer(next);
1297 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_NEXT,
1298 _("Raise to next layer"));
1299 } else {
1300 no_more = true;
1301 }
1303 if (no_more) {
1304 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers above."));
1305 }
1307 g_slist_free ((GSList *) items);
1308 }
1310 void sp_selection_to_prev_layer ()
1311 {
1312 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1314 Inkscape::Selection *selection = sp_desktop_selection(dt);
1316 // check if something is selected
1317 if (selection->isEmpty()) {
1318 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer below."));
1319 return;
1320 }
1322 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1324 bool no_more = false; // Set to true, if no more layers below
1325 SPObject *next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer());
1326 if (next) {
1327 GSList *temp_clip = NULL;
1328 sp_selection_copy_impl (items, &temp_clip, NULL, NULL, sp_document_repr_doc(dt->doc())); // we're in the same doc, so no need to copy defs
1329 sp_selection_delete_impl (items);
1330 next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1331 GSList *copied;
1332 if(next) {
1333 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
1334 } else {
1335 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
1336 no_more = true;
1337 }
1338 selection->setReprList((GSList const *) copied);
1339 g_slist_free (copied);
1340 if (temp_clip) g_slist_free (temp_clip);
1341 if (next) dt->setCurrentLayer(next);
1342 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_PREV,
1343 _("Lower to previous layer"));
1344 } else {
1345 no_more = true;
1346 }
1348 if (no_more) {
1349 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers below."));
1350 }
1352 g_slist_free ((GSList *) items);
1353 }
1355 bool
1356 selection_contains_original (SPItem *item, Inkscape::Selection *selection)
1357 {
1358 bool contains_original = false;
1359 bool is_use = SP_IS_USE(item);
1360 SPItem *item_use = item;
1361 SPItem *item_use_first = item;
1362 while (is_use && item_use && !contains_original)
1363 {
1364 item_use = sp_use_get_original (SP_USE(item_use));
1365 contains_original |= selection->includes(item_use);
1366 if (item_use == item_use_first)
1367 break;
1368 is_use = SP_IS_USE(item_use);
1369 }
1370 return contains_original;
1371 }
1374 bool
1375 selection_contains_both_clone_and_original (Inkscape::Selection *selection)
1376 {
1377 bool clone_with_original = false;
1378 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1379 SPItem *item = SP_ITEM(l->data);
1380 clone_with_original |= selection_contains_original(item, selection);
1381 if (clone_with_original)
1382 break;
1383 }
1384 return clone_with_original;
1385 }
1388 /** Apply matrix to the selection. \a set_i2d is normally true, which means objects are in the
1389 original transform, synced with their reprs, and need to jump to the new transform in one go. A
1390 value of set_i2d==false is only used by seltrans when it's dragging objects live (not outlines); in
1391 that case, items are already in the new position, but the repr is in the old, and this function
1392 then simply updates the repr from item->transform.
1393 */
1394 void sp_selection_apply_affine(Inkscape::Selection *selection, NR::Matrix const &affine, bool set_i2d)
1395 {
1396 if (selection->isEmpty())
1397 return;
1399 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1400 SPItem *item = SP_ITEM(l->data);
1402 NR::Point old_center(0,0);
1403 if (set_i2d && item->isCenterSet())
1404 old_center = item->getCenter();
1406 #if 0 /* Re-enable this once persistent guides have a graphical indication.
1407 At the time of writing, this is the only place to re-enable. */
1408 sp_item_update_cns(*item, selection->desktop());
1409 #endif
1411 // we're moving both a clone and its original or any ancestor in clone chain?
1412 bool transform_clone_with_original = selection_contains_original(item, selection);
1413 // ...both a text-on-path and its path?
1414 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)))) ));
1415 // ...both a flowtext and its frame?
1416 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)
1417 // ...both an offset and its source?
1418 bool transform_offset_with_source = (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) && selection->includes( sp_offset_get_source (SP_OFFSET(item)) );
1420 // If we're moving a connector, we want to detach it
1421 // from shapes that aren't part of the selection, but
1422 // leave it attached if they are
1423 if (cc_item_is_connector(item)) {
1424 SPItem *attItem[2];
1425 SP_PATH(item)->connEndPair.getAttachedItems(attItem);
1427 for (int n = 0; n < 2; ++n) {
1428 if (!selection->includes(attItem[n])) {
1429 sp_conn_end_detach(item, n);
1430 }
1431 }
1432 }
1434 // "clones are unmoved when original is moved" preference
1435 int compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
1436 bool prefs_unmoved = (compensation == SP_CLONE_COMPENSATION_UNMOVED);
1437 bool prefs_parallel = (compensation == SP_CLONE_COMPENSATION_PARALLEL);
1439 // If this is a clone and it's selected along with its original, do not move it; it will feel the
1440 // transform of its original and respond to it itself. Without this, a clone is doubly
1441 // transformed, very unintuitive.
1442 // Same for textpath if we are also doing ANY transform to its path: do not touch textpath,
1443 // letters cannot be squeezed or rotated anyway, they only refill the changed path.
1444 // Same for linked offset if we are also moving its source: do not move it.
1445 if (transform_textpath_with_path || transform_offset_with_source) {
1446 // restore item->transform field from the repr, in case it was changed by seltrans
1447 sp_object_read_attr (SP_OBJECT (item), "transform");
1449 } else if (transform_flowtext_with_frame) {
1450 // apply the inverse of the region's transform to the <use> so that the flow remains
1451 // the same (even though the output itself gets transformed)
1452 for (SPObject *region = item->firstChild() ; region ; region = SP_OBJECT_NEXT(region)) {
1453 if (!SP_IS_FLOWREGION(region) && !SP_IS_FLOWREGIONEXCLUDE(region))
1454 continue;
1455 for (SPObject *use = region->firstChild() ; use ; use = SP_OBJECT_NEXT(use)) {
1456 if (!SP_IS_USE(use)) continue;
1457 sp_item_write_transform(SP_USE(use), SP_OBJECT_REPR(use), item->transform.inverse(), NULL);
1458 }
1459 }
1460 } else if (transform_clone_with_original) {
1461 // We are transforming a clone along with its original. The below matrix juggling is
1462 // necessary to ensure that they transform as a whole, i.e. the clone's induced
1463 // transform and its move compensation are both cancelled out.
1465 // restore item->transform field from the repr, in case it was changed by seltrans
1466 sp_object_read_attr (SP_OBJECT (item), "transform");
1468 // calculate the matrix we need to apply to the clone to cancel its induced transform from its original
1469 NR::Matrix parent_transform = sp_item_i2root_affine(SP_ITEM(SP_OBJECT_PARENT (item)));
1470 NR::Matrix t = parent_transform * matrix_to_desktop (matrix_from_desktop (affine, item), item) * parent_transform.inverse();
1471 NR::Matrix t_inv =parent_transform * matrix_to_desktop (matrix_from_desktop (affine.inverse(), item), item) * parent_transform.inverse();
1472 NR::Matrix result = t_inv * item->transform * t;
1474 if ((prefs_parallel || prefs_unmoved) && affine.is_translation()) {
1475 // we need to cancel out the move compensation, too
1477 // find out the clone move, same as in sp_use_move_compensate
1478 NR::Matrix parent = sp_use_get_parent_transform (SP_USE(item));
1479 NR::Matrix clone_move = parent.inverse() * t * parent;
1481 if (prefs_parallel) {
1482 NR::Matrix move = result * clone_move * t_inv;
1483 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move);
1485 } else if (prefs_unmoved) {
1486 //if (SP_IS_USE(sp_use_get_original(SP_USE(item))))
1487 // clone_move = NR::identity();
1488 NR::Matrix move = result * clone_move;
1489 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &t);
1490 }
1492 } else {
1493 // just apply the result
1494 sp_item_write_transform(item, SP_OBJECT_REPR(item), result, &t);
1495 }
1497 } else {
1498 if (set_i2d) {
1499 sp_item_set_i2d_affine(item, sp_item_i2d_affine(item) * affine);
1500 }
1501 sp_item_write_transform(item, SP_OBJECT_REPR(item), item->transform, NULL);
1502 }
1504 // if we're moving the actual object, not just updating the repr, we can transform the
1505 // center by the same matrix (only necessary for non-translations)
1506 if (set_i2d && item->isCenterSet() && !affine.is_translation()) {
1507 item->setCenter(old_center * affine);
1508 SP_OBJECT(item)->updateRepr();
1509 }
1510 }
1511 }
1513 void sp_selection_remove_transform()
1514 {
1515 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1516 if (desktop == NULL)
1517 return;
1519 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1521 GSList const *l = (GSList *) selection->reprList();
1522 while (l != NULL) {
1523 sp_repr_set_attr((Inkscape::XML::Node*)l->data, "transform", NULL);
1524 l = l->next;
1525 }
1527 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_FLATTEN,
1528 _("Remove transform"));
1529 }
1531 void
1532 sp_selection_scale_absolute(Inkscape::Selection *selection,
1533 double const x0, double const x1,
1534 double const y0, double const y1)
1535 {
1536 if (selection->isEmpty())
1537 return;
1539 NR::Maybe<NR::Rect> const bbox(selection->bounds());
1540 if ( !bbox || bbox->isEmpty() ) {
1541 return;
1542 }
1544 NR::translate const p2o(-bbox->min());
1546 NR::scale const newSize(x1 - x0,
1547 y1 - y0);
1548 NR::scale const scale( newSize / NR::scale(bbox->dimensions()) );
1549 NR::translate const o2n(x0, y0);
1550 NR::Matrix const final( p2o * scale * o2n );
1552 sp_selection_apply_affine(selection, final);
1553 }
1556 void sp_selection_scale_relative(Inkscape::Selection *selection, NR::Point const &align, NR::scale const &scale)
1557 {
1558 if (selection->isEmpty())
1559 return;
1561 NR::Maybe<NR::Rect> const bbox(selection->bounds());
1563 if ( !bbox || bbox->isEmpty() ) {
1564 return;
1565 }
1567 // FIXME: ARBITRARY LIMIT: don't try to scale above 1 Mpx, it won't display properly and will crash sooner or later anyway
1568 if ( bbox->extent(NR::X) * scale[NR::X] > 1e6 ||
1569 bbox->extent(NR::Y) * scale[NR::Y] > 1e6 )
1570 {
1571 return;
1572 }
1574 NR::translate const n2d(-align);
1575 NR::translate const d2n(align);
1576 NR::Matrix const final( n2d * scale * d2n );
1577 sp_selection_apply_affine(selection, final);
1578 }
1580 void
1581 sp_selection_rotate_relative(Inkscape::Selection *selection, NR::Point const ¢er, gdouble const angle_degrees)
1582 {
1583 NR::translate const d2n(center);
1584 NR::translate const n2d(-center);
1585 NR::rotate const rotate(rotate_degrees(angle_degrees));
1586 NR::Matrix const final( NR::Matrix(n2d) * rotate * d2n );
1587 sp_selection_apply_affine(selection, final);
1588 }
1590 void
1591 sp_selection_skew_relative(Inkscape::Selection *selection, NR::Point const &align, double dx, double dy)
1592 {
1593 NR::translate const d2n(align);
1594 NR::translate const n2d(-align);
1595 NR::Matrix const skew(1, dy,
1596 dx, 1,
1597 0, 0);
1598 NR::Matrix const final( n2d * skew * d2n );
1599 sp_selection_apply_affine(selection, final);
1600 }
1602 void sp_selection_move_relative(Inkscape::Selection *selection, NR::Point const &move)
1603 {
1604 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(move)));
1605 }
1607 void sp_selection_move_relative(Inkscape::Selection *selection, double dx, double dy)
1608 {
1609 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(dx, dy)));
1610 }
1613 /**
1614 * \brief sp_selection_rotate_90
1615 *
1616 * This function rotates selected objects 90 degrees clockwise.
1617 *
1618 */
1620 void sp_selection_rotate_90_cw()
1621 {
1622 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1624 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1626 if (selection->isEmpty())
1627 return;
1629 GSList const *l = selection->itemList();
1630 NR::rotate const rot_neg_90(NR::Point(0, -1));
1631 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1632 SPItem *item = SP_ITEM(l2->data);
1633 sp_item_rotate_rel(item, rot_neg_90);
1634 }
1636 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CCW,
1637 _("Rotate 90° CW"));
1638 }
1641 /**
1642 * \brief sp_selection_rotate_90_ccw
1643 *
1644 * This function rotates selected objects 90 degrees counter-clockwise.
1645 *
1646 */
1648 void sp_selection_rotate_90_ccw()
1649 {
1650 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1652 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1654 if (selection->isEmpty())
1655 return;
1657 GSList const *l = selection->itemList();
1658 NR::rotate const rot_neg_90(NR::Point(0, 1));
1659 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1660 SPItem *item = SP_ITEM(l2->data);
1661 sp_item_rotate_rel(item, rot_neg_90);
1662 }
1664 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CW,
1665 _("Rotate 90° CCW"));
1666 }
1668 void
1669 sp_selection_rotate(Inkscape::Selection *selection, gdouble const angle_degrees)
1670 {
1671 if (selection->isEmpty())
1672 return;
1674 NR::Maybe<NR::Point> center = selection->center();
1675 if (!center) {
1676 return;
1677 }
1679 sp_selection_rotate_relative(selection, *center, angle_degrees);
1681 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1682 ( ( angle_degrees > 0 )
1683 ? "selector:rotate:ccw"
1684 : "selector:rotate:cw" ),
1685 SP_VERB_CONTEXT_SELECT,
1686 _("Rotate"));
1687 }
1689 /**
1690 \param angle the angle in "angular pixels", i.e. how many visible pixels must move the outermost point of the rotated object
1691 */
1692 void
1693 sp_selection_rotate_screen(Inkscape::Selection *selection, gdouble angle)
1694 {
1695 if (selection->isEmpty())
1696 return;
1698 NR::Maybe<NR::Rect> const bbox(selection->bounds());
1699 NR::Maybe<NR::Point> center = selection->center();
1701 if ( !bbox || !center ) {
1702 return;
1703 }
1705 gdouble const zoom = selection->desktop()->current_zoom();
1706 gdouble const zmove = angle / zoom;
1707 gdouble const r = NR::L2(bbox->max() - *center);
1709 gdouble const zangle = 180 * atan2(zmove, r) / M_PI;
1711 sp_selection_rotate_relative(selection, *center, zangle);
1713 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1714 ( (angle > 0)
1715 ? "selector:rotate:ccw"
1716 : "selector:rotate:cw" ),
1717 SP_VERB_CONTEXT_SELECT,
1718 _("Rotate by pixels"));
1719 }
1721 void
1722 sp_selection_scale(Inkscape::Selection *selection, gdouble grow)
1723 {
1724 if (selection->isEmpty())
1725 return;
1727 NR::Maybe<NR::Rect> const bbox(selection->bounds());
1728 if (!bbox) {
1729 return;
1730 }
1732 NR::Point const center(bbox->midpoint());
1734 // you can't scale "do nizhe pola" (below zero)
1735 double const max_len = bbox->maxExtent();
1736 if ( max_len + grow <= 1e-3 ) {
1737 return;
1738 }
1740 double const times = 1.0 + grow / max_len;
1741 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1743 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1744 ( (grow > 0)
1745 ? "selector:scale:larger"
1746 : "selector:scale:smaller" ),
1747 SP_VERB_CONTEXT_SELECT,
1748 _("Scale"));
1749 }
1751 void
1752 sp_selection_scale_screen(Inkscape::Selection *selection, gdouble grow_pixels)
1753 {
1754 sp_selection_scale(selection,
1755 grow_pixels / selection->desktop()->current_zoom());
1756 }
1758 void
1759 sp_selection_scale_times(Inkscape::Selection *selection, gdouble times)
1760 {
1761 if (selection->isEmpty())
1762 return;
1764 NR::Maybe<NR::Rect> sel_bbox = selection->bounds();
1766 if (!sel_bbox) {
1767 return;
1768 }
1770 NR::Point const center(sel_bbox->midpoint());
1771 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1772 sp_document_done(sp_desktop_document(selection->desktop()), SP_VERB_CONTEXT_SELECT,
1773 _("Scale by whole factor"));
1774 }
1776 void
1777 sp_selection_move(gdouble dx, gdouble dy)
1778 {
1779 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1780 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1781 if (selection->isEmpty()) {
1782 return;
1783 }
1785 sp_selection_move_relative(selection, dx, dy);
1787 if (dx == 0) {
1788 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1789 _("Move vertically"));
1790 } else if (dy == 0) {
1791 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1792 _("Move horizontally"));
1793 } else {
1794 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1795 _("Move"));
1796 }
1797 }
1799 void
1800 sp_selection_move_screen(gdouble dx, gdouble dy)
1801 {
1802 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1804 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1805 if (selection->isEmpty()) {
1806 return;
1807 }
1809 // same as sp_selection_move but divide deltas by zoom factor
1810 gdouble const zoom = desktop->current_zoom();
1811 gdouble const zdx = dx / zoom;
1812 gdouble const zdy = dy / zoom;
1813 sp_selection_move_relative(selection, zdx, zdy);
1815 if (dx == 0) {
1816 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1817 _("Move vertically by pixels"));
1818 } else if (dy == 0) {
1819 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1820 _("Move horizontally by pixels"));
1821 } else {
1822 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1823 _("Move"));
1824 }
1825 }
1827 namespace {
1829 template <typename D>
1830 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1831 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1833 template <typename D>
1834 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items, SPObject *root,
1835 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1837 struct Forward {
1838 typedef SPObject *Iterator;
1840 static Iterator children(SPObject *o) { return sp_object_first_child(o); }
1841 static Iterator siblings_after(SPObject *o) { return SP_OBJECT_NEXT(o); }
1842 static void dispose(Iterator i) {}
1844 static SPObject *object(Iterator i) { return i; }
1845 static Iterator next(Iterator i) { return SP_OBJECT_NEXT(i); }
1846 };
1848 struct Reverse {
1849 typedef GSList *Iterator;
1851 static Iterator children(SPObject *o) {
1852 return make_list(o->firstChild(), NULL);
1853 }
1854 static Iterator siblings_after(SPObject *o) {
1855 return make_list(SP_OBJECT_PARENT(o)->firstChild(), o);
1856 }
1857 static void dispose(Iterator i) {
1858 g_slist_free(i);
1859 }
1861 static SPObject *object(Iterator i) {
1862 return reinterpret_cast<SPObject *>(i->data);
1863 }
1864 static Iterator next(Iterator i) { return i->next; }
1866 private:
1867 static GSList *make_list(SPObject *object, SPObject *limit) {
1868 GSList *list=NULL;
1869 while ( object != limit ) {
1870 list = g_slist_prepend(list, object);
1871 object = SP_OBJECT_NEXT(object);
1872 }
1873 return list;
1874 }
1875 };
1877 }
1879 void
1880 sp_selection_item_next(void)
1881 {
1882 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1883 g_return_if_fail(desktop != NULL);
1884 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1886 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1887 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1888 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1890 SPObject *root;
1891 if (PREFS_SELECTION_ALL != inlayer) {
1892 root = selection->activeContext();
1893 } else {
1894 root = desktop->currentRoot();
1895 }
1897 SPItem *item=next_item_from_list<Forward>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1899 if (item) {
1900 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1901 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1902 scroll_to_show_item(desktop, item);
1903 }
1904 }
1905 }
1907 void
1908 sp_selection_item_prev(void)
1909 {
1910 SPDocument *document = SP_ACTIVE_DOCUMENT;
1911 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1912 g_return_if_fail(document != NULL);
1913 g_return_if_fail(desktop != NULL);
1914 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1916 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1917 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1918 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1920 SPObject *root;
1921 if (PREFS_SELECTION_ALL != inlayer) {
1922 root = selection->activeContext();
1923 } else {
1924 root = desktop->currentRoot();
1925 }
1927 SPItem *item=next_item_from_list<Reverse>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1929 if (item) {
1930 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1931 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1932 scroll_to_show_item(desktop, item);
1933 }
1934 }
1935 }
1937 namespace {
1939 template <typename D>
1940 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items,
1941 SPObject *root, bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1942 {
1943 SPObject *current=root;
1944 while (items) {
1945 SPItem *item=SP_ITEM(items->data);
1946 if ( root->isAncestorOf(item) &&
1947 ( !only_in_viewport || desktop->isWithinViewport(item) ) )
1948 {
1949 current = item;
1950 break;
1951 }
1952 items = items->next;
1953 }
1955 GSList *path=NULL;
1956 while ( current != root ) {
1957 path = g_slist_prepend(path, current);
1958 current = SP_OBJECT_PARENT(current);
1959 }
1961 SPItem *next;
1962 // first, try from the current object
1963 next = next_item<D>(desktop, path, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1964 g_slist_free(path);
1966 if (!next) { // if we ran out of objects, start over at the root
1967 next = next_item<D>(desktop, NULL, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1968 }
1970 return next;
1971 }
1973 template <typename D>
1974 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1975 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1976 {
1977 typename D::Iterator children;
1978 typename D::Iterator iter;
1980 SPItem *found=NULL;
1982 if (path) {
1983 SPObject *object=reinterpret_cast<SPObject *>(path->data);
1984 g_assert(SP_OBJECT_PARENT(object) == root);
1985 if (desktop->isLayer(object)) {
1986 found = next_item<D>(desktop, path->next, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1987 }
1988 iter = children = D::siblings_after(object);
1989 } else {
1990 iter = children = D::children(root);
1991 }
1993 while ( iter && !found ) {
1994 SPObject *object=D::object(iter);
1995 if (desktop->isLayer(object)) {
1996 if (PREFS_SELECTION_LAYER != inlayer) { // recurse into sublayers
1997 found = next_item<D>(desktop, NULL, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1998 }
1999 } else if ( SP_IS_ITEM(object) &&
2000 ( !only_in_viewport || desktop->isWithinViewport(SP_ITEM(object)) ) &&
2001 ( !onlyvisible || !desktop->itemIsHidden(SP_ITEM(object))) &&
2002 ( !onlysensitive || !SP_ITEM(object)->isLocked()) &&
2003 !desktop->isLayer(SP_ITEM(object)) )
2004 {
2005 found = SP_ITEM(object);
2006 }
2007 iter = D::next(iter);
2008 }
2010 D::dispose(children);
2012 return found;
2013 }
2015 }
2017 /**
2018 * If \a item is not entirely visible then adjust visible area to centre on the centre on of
2019 * \a item.
2020 */
2021 void scroll_to_show_item(SPDesktop *desktop, SPItem *item)
2022 {
2023 NR::Rect dbox = desktop->get_display_area();
2024 NR::Maybe<NR::Rect> sbox = sp_item_bbox_desktop(item);
2026 if ( sbox && dbox.contains(*sbox) == false ) {
2027 NR::Point const s_dt = sbox->midpoint();
2028 NR::Point const s_w = desktop->d2w(s_dt);
2029 NR::Point const d_dt = dbox.midpoint();
2030 NR::Point const d_w = desktop->d2w(d_dt);
2031 NR::Point const moved_w( d_w - s_w );
2032 gint const dx = (gint) moved_w[X];
2033 gint const dy = (gint) moved_w[Y];
2034 desktop->scroll_world(dx, dy);
2035 }
2036 }
2039 void
2040 sp_selection_clone()
2041 {
2042 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2043 if (desktop == NULL)
2044 return;
2046 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2048 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
2050 // check if something is selected
2051 if (selection->isEmpty()) {
2052 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object</b> to clone."));
2053 return;
2054 }
2056 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
2058 selection->clear();
2060 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
2061 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
2063 GSList *newsel = NULL;
2065 while (reprs) {
2066 Inkscape::XML::Node *sel_repr = (Inkscape::XML::Node *) reprs->data;
2067 Inkscape::XML::Node *parent = sp_repr_parent(sel_repr);
2069 Inkscape::XML::Node *clone = xml_doc->createElement("svg:use");
2070 sp_repr_set_attr(clone, "x", "0");
2071 sp_repr_set_attr(clone, "y", "0");
2072 sp_repr_set_attr(clone, "xlink:href", g_strdup_printf("#%s", sel_repr->attribute("id")));
2074 sp_repr_set_attr(clone, "inkscape:transform-center-x", sel_repr->attribute("inkscape:transform-center-x"));
2075 sp_repr_set_attr(clone, "inkscape:transform-center-y", sel_repr->attribute("inkscape:transform-center-y"));
2077 // add the new clone to the top of the original's parent
2078 parent->appendChild(clone);
2080 newsel = g_slist_prepend(newsel, clone);
2081 reprs = g_slist_remove(reprs, sel_repr);
2082 Inkscape::GC::release(clone);
2083 }
2085 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_CLONE,
2086 Q_("action|Clone"));
2088 selection->setReprList(newsel);
2090 g_slist_free(newsel);
2091 }
2093 void
2094 sp_selection_unlink()
2095 {
2096 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2097 if (!desktop)
2098 return;
2100 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2102 if (selection->isEmpty()) {
2103 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>clone</b> to unlink."));
2104 return;
2105 }
2107 // Get a copy of current selection.
2108 GSList *new_select = NULL;
2109 bool unlinked = false;
2110 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2111 items != NULL;
2112 items = items->next)
2113 {
2114 SPItem *use = (SPItem *) items->data;
2116 if (!SP_IS_USE(use)) {
2117 // keep the non-yse item in the new selection
2118 new_select = g_slist_prepend(new_select, use);
2119 continue;
2120 }
2122 SPItem *unlink = sp_use_unlink(SP_USE(use));
2123 unlinked = true;
2124 // Add ungrouped items to the new selection.
2125 new_select = g_slist_prepend(new_select, unlink);
2126 }
2128 if (new_select) { // set new selection
2129 selection->clear();
2130 selection->setList(new_select);
2131 g_slist_free(new_select);
2132 }
2133 if (!unlinked) {
2134 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No clones to unlink</b> in the selection."));
2135 }
2137 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNLINK_CLONE,
2138 _("Unlink clone"));
2139 }
2141 void
2142 sp_select_clone_original()
2143 {
2144 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2145 if (desktop == NULL)
2146 return;
2148 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2150 SPItem *item = selection->singleItem();
2152 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.");
2154 // Check if other than two objects are selected
2155 if (g_slist_length((GSList *) selection->itemList()) != 1 || !item) {
2156 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2157 return;
2158 }
2160 SPItem *original = NULL;
2161 if (SP_IS_USE(item)) {
2162 original = sp_use_get_original (SP_USE(item));
2163 } else if (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) {
2164 original = sp_offset_get_source (SP_OFFSET(item));
2165 } else if (SP_IS_TEXT_TEXTPATH(item)) {
2166 original = sp_textpath_get_path_item (SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))));
2167 } else if (SP_IS_FLOWTEXT(item)) {
2168 original = SP_FLOWTEXT(item)->get_frame (NULL); // first frame only
2169 } else { // it's an object that we don't know what to do with
2170 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, error);
2171 return;
2172 }
2174 if (!original) {
2175 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>Cannot find</b> the object to select (orphaned clone, offset, textpath, flowed text?)"));
2176 return;
2177 }
2179 for (SPObject *o = original; o && !SP_IS_ROOT(o); o = SP_OBJECT_PARENT (o)) {
2180 if (SP_IS_DEFS (o)) {
2181 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("The object you're trying to select is <b>not visible</b> (it is in <defs>)"));
2182 return;
2183 }
2184 }
2186 if (original) {
2187 selection->clear();
2188 selection->set(original);
2189 if (SP_CYCLING == SP_CYCLE_FOCUS) {
2190 scroll_to_show_item(desktop, original);
2191 }
2192 }
2193 }
2195 void
2196 sp_selection_tile(bool apply)
2197 {
2198 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2199 if (desktop == NULL)
2200 return;
2202 SPDocument *doc = sp_desktop_document(desktop);
2203 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2205 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2207 // check if something is selected
2208 if (selection->isEmpty()) {
2209 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to convert to pattern."));
2210 return;
2211 }
2213 sp_document_ensure_up_to_date(doc);
2214 NR::Maybe<NR::Rect> r = selection->bounds();
2215 if ( !r || r->isEmpty() ) {
2216 return;
2217 }
2219 // calculate the transform to be applied to objects to move them to 0,0
2220 NR::Point move_p = NR::Point(0, sp_document_height(doc)) - (r->min() + NR::Point (0, r->extent(NR::Y)));
2221 move_p[NR::Y] = -move_p[NR::Y];
2222 NR::Matrix move = NR::Matrix (NR::translate (move_p));
2224 GSList *items = g_slist_copy((GSList *) selection->itemList());
2226 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2228 // bottommost object, after sorting
2229 SPObject *parent = SP_OBJECT_PARENT (items->data);
2231 NR::Matrix parent_transform = sp_item_i2root_affine(SP_ITEM(parent));
2233 // remember the position of the first item
2234 gint pos = SP_OBJECT_REPR (items->data)->position();
2236 // create a list of duplicates
2237 GSList *repr_copies = NULL;
2238 for (GSList *i = items; i != NULL; i = i->next) {
2239 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2240 repr_copies = g_slist_prepend (repr_copies, dup);
2241 }
2243 NR::Rect bounds(desktop->dt2doc(r->min()), desktop->dt2doc(r->max()));
2245 if (apply) {
2246 // delete objects so that their clones don't get alerted; this object will be restored shortly
2247 for (GSList *i = items; i != NULL; i = i->next) {
2248 SPObject *item = SP_OBJECT (i->data);
2249 item->deleteObject (false);
2250 }
2251 }
2253 // Hack: Temporarily set clone compensation to unmoved, so that we can move clone-originals
2254 // without disturbing clones.
2255 // See ActorAlign::on_button_click() in src/ui/dialog/align-and-distribute.cpp
2256 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2257 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
2259 const gchar *pat_id = pattern_tile (repr_copies, bounds, doc,
2260 NR::Matrix(NR::translate(desktop->dt2doc(NR::Point(r->min()[NR::X], r->max()[NR::Y])))) * parent_transform.inverse(), parent_transform * move);
2262 // restore compensation setting
2263 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
2265 if (apply) {
2266 Inkscape::XML::Node *rect = xml_doc->createElement("svg:rect");
2267 rect->setAttribute("style", g_strdup_printf("stroke:none;fill:url(#%s)", pat_id));
2269 NR::Point min = bounds.min() * parent_transform.inverse();
2270 NR::Point max = bounds.max() * parent_transform.inverse();
2272 sp_repr_set_svg_double(rect, "width", max[NR::X] - min[NR::X]);
2273 sp_repr_set_svg_double(rect, "height", max[NR::Y] - min[NR::Y]);
2274 sp_repr_set_svg_double(rect, "x", min[NR::X]);
2275 sp_repr_set_svg_double(rect, "y", min[NR::Y]);
2277 // restore parent and position
2278 SP_OBJECT_REPR (parent)->appendChild(rect);
2279 rect->setPosition(pos > 0 ? pos : 0);
2280 SPItem *rectangle = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(rect);
2282 Inkscape::GC::release(rect);
2284 selection->clear();
2285 selection->set(rectangle);
2286 }
2288 g_slist_free (items);
2290 sp_document_done (doc, SP_VERB_EDIT_TILE,
2291 _("Objects to pattern"));
2292 }
2294 void
2295 sp_selection_untile()
2296 {
2297 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2298 if (desktop == NULL)
2299 return;
2301 SPDocument *doc = sp_desktop_document(desktop);
2302 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2304 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2306 // check if something is selected
2307 if (selection->isEmpty()) {
2308 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object with pattern fill</b> to extract objects from."));
2309 return;
2310 }
2312 GSList *new_select = NULL;
2314 bool did = false;
2316 for (GSList *items = g_slist_copy((GSList *) selection->itemList());
2317 items != NULL;
2318 items = items->next) {
2320 SPItem *item = (SPItem *) items->data;
2322 SPStyle *style = SP_OBJECT_STYLE (item);
2324 if (!style || style->fill.type != SP_PAINT_TYPE_PAINTSERVER)
2325 continue;
2327 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
2329 if (!SP_IS_PATTERN(server))
2330 continue;
2332 did = true;
2334 SPPattern *pattern = pattern_getroot (SP_PATTERN (server));
2336 NR::Matrix pat_transform = pattern_patternTransform (SP_PATTERN (server));
2337 pat_transform *= item->transform;
2339 for (SPObject *child = sp_object_first_child(SP_OBJECT(pattern)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2340 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate(xml_doc);
2341 SPItem *i = SP_ITEM (desktop->currentLayer()->appendChildRepr(copy));
2343 // FIXME: relink clones to the new canvas objects
2344 // use SPObject::setid when mental finishes it to steal ids of
2346 // this is needed to make sure the new item has curve (simply requestDisplayUpdate does not work)
2347 sp_document_ensure_up_to_date (doc);
2349 NR::Matrix transform( i->transform * pat_transform );
2350 sp_item_write_transform(i, SP_OBJECT_REPR(i), transform);
2352 new_select = g_slist_prepend(new_select, i);
2353 }
2355 SPCSSAttr *css = sp_repr_css_attr_new ();
2356 sp_repr_css_set_property (css, "fill", "none");
2357 sp_repr_css_change (SP_OBJECT_REPR (item), css, "style");
2358 }
2360 if (!did) {
2361 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No pattern fills</b> in the selection."));
2362 } else {
2363 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_UNTILE,
2364 _("Pattern to objects"));
2365 selection->setList(new_select);
2366 }
2367 }
2369 void
2370 sp_selection_get_export_hints (Inkscape::Selection *selection, const char **filename, float *xdpi, float *ydpi)
2371 {
2372 if (selection->isEmpty()) {
2373 return;
2374 }
2376 const GSList * reprlst = selection->reprList();
2377 bool filename_search = TRUE;
2378 bool xdpi_search = TRUE;
2379 bool ydpi_search = TRUE;
2381 for(; reprlst != NULL &&
2382 filename_search &&
2383 xdpi_search &&
2384 ydpi_search;
2385 reprlst = reprlst->next) {
2386 const gchar * dpi_string;
2387 Inkscape::XML::Node * repr = (Inkscape::XML::Node *)reprlst->data;
2389 if (filename_search) {
2390 *filename = repr->attribute("inkscape:export-filename");
2391 if (*filename != NULL)
2392 filename_search = FALSE;
2393 }
2395 if (xdpi_search) {
2396 dpi_string = NULL;
2397 dpi_string = repr->attribute("inkscape:export-xdpi");
2398 if (dpi_string != NULL) {
2399 *xdpi = atof(dpi_string);
2400 xdpi_search = FALSE;
2401 }
2402 }
2404 if (ydpi_search) {
2405 dpi_string = NULL;
2406 dpi_string = repr->attribute("inkscape:export-ydpi");
2407 if (dpi_string != NULL) {
2408 *ydpi = atof(dpi_string);
2409 ydpi_search = FALSE;
2410 }
2411 }
2412 }
2413 }
2415 void
2416 sp_document_get_export_hints (SPDocument * doc, const char **filename, float *xdpi, float *ydpi)
2417 {
2418 Inkscape::XML::Node * repr = sp_document_repr_root(doc);
2419 const gchar * dpi_string;
2421 *filename = repr->attribute("inkscape:export-filename");
2423 dpi_string = NULL;
2424 dpi_string = repr->attribute("inkscape:export-xdpi");
2425 if (dpi_string != NULL) {
2426 *xdpi = atof(dpi_string);
2427 }
2429 dpi_string = NULL;
2430 dpi_string = repr->attribute("inkscape:export-ydpi");
2431 if (dpi_string != NULL) {
2432 *ydpi = atof(dpi_string);
2433 }
2434 }
2436 void
2437 sp_selection_create_bitmap_copy ()
2438 {
2439 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2440 if (desktop == NULL)
2441 return;
2443 SPDocument *document = sp_desktop_document(desktop);
2444 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(document);
2446 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2448 // check if something is selected
2449 if (selection->isEmpty()) {
2450 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to make a bitmap copy."));
2451 return;
2452 }
2454 // Get the bounding box of the selection
2455 NRRect bbox;
2456 sp_document_ensure_up_to_date (document);
2457 selection->bounds(&bbox);
2458 if (NR_RECT_DFLS_TEST_EMPTY(&bbox)) {
2459 return; // exceptional situation, so not bother with a translatable error message, just quit quietly
2460 }
2462 // List of the items to show; all others will be hidden
2463 GSList *items = g_slist_copy ((GSList *) selection->itemList());
2465 // Sort items so that the topmost comes last
2466 items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);
2468 // Generate a random value from the current time (you may create bitmap from the same object(s)
2469 // multiple times, and this is done so that they don't clash)
2470 GTimeVal cu;
2471 g_get_current_time (&cu);
2472 guint current = (int) (cu.tv_sec * 1000000 + cu.tv_usec) % 1024;
2474 // Create the filename
2475 gchar *filename = g_strdup_printf ("%s-%s-%u.png", document->name, SP_OBJECT_REPR(items->data)->attribute("id"), current);
2476 // Imagemagick is known not to handle spaces in filenames, so we replace anything but letters,
2477 // digits, and a few other chars, with "_"
2478 filename = g_strcanon (filename, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.=+~$#@^&!?", '_');
2479 // Build the complete path by adding document->base if set
2480 gchar *filepath = g_build_filename (document->base?document->base:"", filename, NULL);
2482 //g_print ("%s\n", filepath);
2484 // Remember parent and z-order of the topmost one
2485 gint pos = SP_OBJECT_REPR(g_slist_last(items)->data)->position();
2486 SPObject *parent_object = SP_OBJECT_PARENT(g_slist_last(items)->data);
2487 Inkscape::XML::Node *parent = SP_OBJECT_REPR(parent_object);
2489 // Calculate resolution
2490 double res;
2491 int const prefs_res = prefs_get_int_attribute ("options.createbitmap", "resolution", 0);
2492 int const prefs_min = prefs_get_int_attribute ("options.createbitmap", "minsize", 0);
2493 if (0 < prefs_res) {
2494 // If it's given explicitly in prefs, take it
2495 res = prefs_res;
2496 } else if (0 < prefs_min) {
2497 // If minsize is given, look up minimum bitmap size (default 250 pixels) and calculate resolution from it
2498 res = PX_PER_IN * prefs_min / MIN ((bbox.x1 - bbox.x0), (bbox.y1 - bbox.y0));
2499 } else {
2500 float hint_xdpi = 0, hint_ydpi = 0;
2501 const char *hint_filename;
2502 // take resolution hint from the selected objects
2503 sp_selection_get_export_hints (selection, &hint_filename, &hint_xdpi, &hint_ydpi);
2504 if (hint_xdpi != 0) {
2505 res = hint_xdpi;
2506 } else {
2507 // take resolution hint from the document
2508 sp_document_get_export_hints (document, &hint_filename, &hint_xdpi, &hint_ydpi);
2509 if (hint_xdpi != 0) {
2510 res = hint_xdpi;
2511 } else {
2512 // if all else fails, take the default 90 dpi
2513 res = PX_PER_IN;
2514 }
2515 }
2516 }
2518 // The width and height of the bitmap in pixels
2519 unsigned width = (unsigned) floor ((bbox.x1 - bbox.x0) * res / PX_PER_IN);
2520 unsigned height =(unsigned) floor ((bbox.y1 - bbox.y0) * res / PX_PER_IN);
2522 // Find out if we have to run a filter
2523 const gchar *run = NULL;
2524 const gchar *filter = prefs_get_string_attribute ("options.createbitmap", "filter");
2525 if (filter) {
2526 // filter command is given;
2527 // see if we have a parameter to pass to it
2528 const gchar *param1 = prefs_get_string_attribute ("options.createbitmap", "filter_param1");
2529 if (param1) {
2530 if (param1[strlen(param1) - 1] == '%') {
2531 // if the param string ends with %, interpret it as a percentage of the image's max dimension
2532 gchar p1[256];
2533 g_ascii_dtostr (p1, 256, ceil (g_ascii_strtod (param1, NULL) * MAX(width, height) / 100));
2534 // the first param is always the image filename, the second is param1
2535 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, p1);
2536 } else {
2537 // otherwise pass the param1 unchanged
2538 run = g_strdup_printf ("%s \"%s\" %s", filter, filepath, param1);
2539 }
2540 } else {
2541 // run without extra parameter
2542 run = g_strdup_printf ("%s \"%s\"", filter, filepath);
2543 }
2544 }
2546 // Calculate the matrix that will be applied to the image so that it exactly overlaps the source objects
2547 NR::Matrix eek = sp_item_i2d_affine (SP_ITEM(parent_object));
2548 NR::Matrix t;
2550 double shift_x = bbox.x0;
2551 double shift_y = bbox.y1;
2552 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2553 shift_x = round (shift_x);
2554 shift_y = -round (-shift_y); // this gets correct rounding despite coordinate inversion, remove the negations when the inversion is gone
2555 }
2556 t = NR::scale(1, -1) * NR::translate (shift_x, shift_y) * eek.inverse();
2558 // Do the export
2559 sp_export_png_file(document, filepath,
2560 bbox.x0, bbox.y0, bbox.x1, bbox.y1,
2561 width, height, res, res,
2562 (guint32) 0xffffff00,
2563 NULL, NULL,
2564 true, /*bool force_overwrite,*/
2565 items);
2567 g_slist_free (items);
2569 // Run filter, if any
2570 if (run) {
2571 g_print ("Running external filter: %s\n", run);
2572 system (run);
2573 }
2575 // Import the image back
2576 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filepath, NULL);
2577 if (pb) {
2578 // Create the repr for the image
2579 Inkscape::XML::Node * repr = xml_doc->createElement("svg:image");
2580 repr->setAttribute("xlink:href", filename);
2581 repr->setAttribute("sodipodi:absref", filepath);
2582 if (res == PX_PER_IN) { // for default 90 dpi, snap it to pixel grid
2583 sp_repr_set_svg_double(repr, "width", width);
2584 sp_repr_set_svg_double(repr, "height", height);
2585 } else {
2586 sp_repr_set_svg_double(repr, "width", (bbox.x1 - bbox.x0));
2587 sp_repr_set_svg_double(repr, "height", (bbox.y1 - bbox.y0));
2588 }
2590 // Write transform
2591 gchar *c=sp_svg_transform_write(t);
2592 repr->setAttribute("transform", c);
2593 g_free(c);
2595 // add the new repr to the parent
2596 parent->appendChild(repr);
2598 // move to the saved position
2599 repr->setPosition(pos > 0 ? pos + 1 : 1);
2601 // Set selection to the new image
2602 selection->clear();
2603 selection->add(repr);
2605 // Clean up
2606 Inkscape::GC::release(repr);
2607 gdk_pixbuf_unref (pb);
2609 // Complete undoable transaction
2610 sp_document_done (document, SP_VERB_SELECTION_CREATE_BITMAP,
2611 _("Create bitmap"));
2612 }
2614 g_free (filename);
2615 g_free (filepath);
2616 }
2618 /**
2619 * \brief sp_selection_set_mask
2620 *
2621 * This function creates a mask or clipPath from selection
2622 * Two different modes:
2623 * if applyToLayer, all selection is moved to DEFS as mask/clippath
2624 * and is applied to current layer
2625 * otherwise, topmost object is used as mask for other objects
2626 * If \a apply_clip_path parameter is true, clipPath is created, otherwise mask
2627 *
2628 */
2629 void
2630 sp_selection_set_mask(bool apply_clip_path, bool apply_to_layer)
2631 {
2632 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2633 if (desktop == NULL)
2634 return;
2636 SPDocument *doc = sp_desktop_document(desktop);
2637 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2639 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2641 // check if something is selected
2642 bool is_empty = selection->isEmpty();
2643 if ( apply_to_layer && is_empty) {
2644 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to create clippath or mask from."));
2645 return;
2646 } else if (!apply_to_layer && ( is_empty || NULL == selection->itemList()->next )) {
2647 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select mask object and <b>object(s)</b> to apply clippath or mask to."));
2648 return;
2649 }
2651 // FIXME: temporary patch to prevent crash!
2652 // Remove this when bboxes are fixed to not blow up on an item clipped/masked with its own clone
2653 bool clone_with_original = selection_contains_both_clone_and_original (selection);
2654 if (clone_with_original) {
2655 return; // in this version, you cannot clip/mask an object with its own clone
2656 }
2657 // /END FIXME
2659 sp_document_ensure_up_to_date(doc);
2661 GSList *items = g_slist_copy((GSList *) selection->itemList());
2663 items = g_slist_sort (items, (GCompareFunc) sp_object_compare_position);
2665 // create a list of duplicates
2666 GSList *mask_items = NULL;
2667 GSList *apply_to_items = NULL;
2668 GSList *items_to_delete = NULL;
2669 bool topmost = prefs_get_int_attribute ("options.maskobject", "topmost", 1);
2670 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2672 if (apply_to_layer) {
2673 // all selected items are used for mask, which is applied to a layer
2674 apply_to_items = g_slist_prepend (apply_to_items, desktop->currentLayer());
2676 for (GSList *i = items; i != NULL; i = i->next) {
2677 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2678 mask_items = g_slist_prepend (mask_items, dup);
2680 if (remove_original) {
2681 SPObject *item = SP_OBJECT (i->data);
2682 items_to_delete = g_slist_prepend (items_to_delete, item);
2683 }
2684 }
2685 } else if (!topmost) {
2686 // topmost item is used as a mask, which is applied to other items in a selection
2687 GSList *i = items;
2688 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2689 mask_items = g_slist_prepend (mask_items, dup);
2691 if (remove_original) {
2692 SPObject *item = SP_OBJECT (i->data);
2693 items_to_delete = g_slist_prepend (items_to_delete, item);
2694 }
2696 for (i = i->next; i != NULL; i = i->next) {
2697 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2698 }
2699 } else {
2700 GSList *i = NULL;
2701 for (i = items; NULL != i->next; i = i->next) {
2702 apply_to_items = g_slist_prepend (apply_to_items, i->data);
2703 }
2705 Inkscape::XML::Node *dup = (SP_OBJECT_REPR (i->data))->duplicate(xml_doc);
2706 mask_items = g_slist_prepend (mask_items, dup);
2708 if (remove_original) {
2709 SPObject *item = SP_OBJECT (i->data);
2710 items_to_delete = g_slist_prepend (items_to_delete, item);
2711 }
2712 }
2714 g_slist_free (items);
2715 items = NULL;
2717 gchar const* attributeName = apply_clip_path ? "clip-path" : "mask";
2718 for (GSList *i = apply_to_items; NULL != i; i = i->next) {
2719 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2720 // inverted object transform should be applied to a mask object,
2721 // as mask is calculated in user space (after applying transform)
2722 NR::Matrix maskTransform (item->transform.inverse());
2724 GSList *mask_items_dup = NULL;
2725 for (GSList *mask_item = mask_items; NULL != mask_item; mask_item = mask_item->next) {
2726 Inkscape::XML::Node *dup = reinterpret_cast<Inkscape::XML::Node *>(mask_item->data)->duplicate(xml_doc);
2727 mask_items_dup = g_slist_prepend (mask_items_dup, dup);
2728 }
2730 const gchar *mask_id = NULL;
2731 if (apply_clip_path) {
2732 mask_id = sp_clippath_create(mask_items_dup, doc, &maskTransform);
2733 } else {
2734 mask_id = sp_mask_create(mask_items_dup, doc, &maskTransform);
2735 }
2737 g_slist_free (mask_items_dup);
2738 mask_items_dup = NULL;
2740 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, g_strdup_printf("url(#%s)", mask_id));
2741 }
2743 g_slist_free (mask_items);
2744 g_slist_free (apply_to_items);
2746 for (GSList *i = items_to_delete; NULL != i; i = i->next) {
2747 SPObject *item = SP_OBJECT (i->data);
2748 item->deleteObject (false);
2749 }
2750 g_slist_free (items_to_delete);
2752 if (apply_clip_path)
2753 sp_document_done (doc, SP_VERB_OBJECT_SET_CLIPPATH, _("Set clipping path"));
2754 else
2755 sp_document_done (doc, SP_VERB_OBJECT_SET_MASK, _("Set mask"));
2756 }
2758 void sp_selection_unset_mask(bool apply_clip_path) {
2759 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2760 if (desktop == NULL)
2761 return;
2763 SPDocument *doc = sp_desktop_document(desktop);
2764 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
2765 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2767 // check if something is selected
2768 if (selection->isEmpty()) {
2769 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to remove clippath or mask from."));
2770 return;
2771 }
2773 bool remove_original = prefs_get_int_attribute ("options.maskobject", "remove", 1);
2774 sp_document_ensure_up_to_date(doc);
2776 gchar const* attributeName = apply_clip_path ? "clip-path" : "mask";
2777 std::map<SPObject*,SPItem*> referenced_objects;
2778 for (GSList const*i = selection->itemList(); NULL != i; i = i->next) {
2779 if (remove_original) {
2780 // remember referenced mask/clippath, so orphaned masks can be moved back to document
2781 SPItem *item = reinterpret_cast<SPItem *>(i->data);
2782 Inkscape::URIReference *uri_ref = NULL;
2784 if (apply_clip_path) {
2785 uri_ref = item->clip_ref;
2786 } else {
2787 uri_ref = item->mask_ref;
2788 }
2790 // collect distinct mask object (and associate with item to apply transform)
2791 if (NULL != uri_ref && NULL != uri_ref->getObject()) {
2792 referenced_objects[uri_ref->getObject()] = item;
2793 }
2794 }
2796 SP_OBJECT_REPR(i->data)->setAttribute(attributeName, "none");
2797 }
2799 // restore mask objects into a document
2800 for ( std::map<SPObject*,SPItem*>::iterator it = referenced_objects.begin() ; it != referenced_objects.end() ; ++it) {
2801 SPObject *obj = (*it).first;
2802 GSList *items_to_move = NULL;
2803 for (SPObject *child = sp_object_first_child(obj) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
2804 Inkscape::XML::Node *copy = SP_OBJECT_REPR(child)->duplicate(xml_doc);
2805 items_to_move = g_slist_prepend (items_to_move, copy);
2806 }
2808 if (!obj->isReferenced()) {
2809 // delete from defs if no other object references this mask
2810 obj->deleteObject(false);
2811 }
2813 // remember parent and position of the item to which the clippath/mask was applied
2814 Inkscape::XML::Node *parent = SP_OBJECT_REPR((*it).second)->parent();
2815 gint pos = SP_OBJECT_REPR((*it).second)->position();
2817 for (GSList *i = items_to_move; NULL != i; i = i->next) {
2818 Inkscape::XML::Node *repr = (Inkscape::XML::Node *)i->data;
2820 // insert into parent, restore pos
2821 parent->appendChild(repr);
2822 repr->setPosition((pos + 1) > 0 ? (pos + 1) : 0);
2824 SPItem *mask_item = (SPItem *) sp_desktop_document (desktop)->getObjectByRepr(repr);
2825 selection->add(repr);
2827 // transform mask, so it is moved the same spot where mask was applied
2828 NR::Matrix transform (mask_item->transform);
2829 transform *= (*it).second->transform;
2830 sp_item_write_transform(mask_item, SP_OBJECT_REPR(mask_item), transform);
2831 }
2833 g_slist_free (items_to_move);
2834 }
2836 if (apply_clip_path)
2837 sp_document_done (doc, SP_VERB_OBJECT_UNSET_CLIPPATH, _("Release clipping path"));
2838 else
2839 sp_document_done (doc, SP_VERB_OBJECT_UNSET_MASK, _("Release mask"));
2840 }
2842 void fit_canvas_to_selection(SPDesktop *desktop) {
2843 g_return_if_fail(desktop != NULL);
2844 SPDocument *doc = sp_desktop_document(desktop);
2846 g_return_if_fail(doc != NULL);
2847 g_return_if_fail(desktop->selection != NULL);
2848 g_return_if_fail(!desktop->selection->isEmpty());
2849 NRRect bbox(0, 0, 0, 0);
2851 desktop->selection->bounds(&bbox);
2852 if (!nr_rect_d_test_empty(&bbox)) {
2853 doc->fitToRect(bbox);
2854 }
2855 };
2857 void fit_canvas_to_drawing(SPDocument *doc) {
2858 g_return_if_fail(doc != NULL);
2859 NRRect bbox(0, 0, 0, 0);
2861 sp_document_ensure_up_to_date (doc);
2862 sp_item_invoke_bbox(SP_ITEM(doc->root), &bbox, sp_item_i2r_affine(SP_ITEM(doc->root)), TRUE);
2864 if (!nr_rect_d_test_empty(&bbox)) {
2865 doc->fitToRect(bbox);
2866 }
2867 };
2869 void fit_canvas_to_selection_or_drawing(SPDesktop *desktop) {
2870 g_return_if_fail(desktop != NULL);
2871 SPDocument *doc = sp_desktop_document(desktop);
2873 g_return_if_fail(doc != NULL);
2874 g_return_if_fail(desktop->selection != NULL);
2876 if (desktop->selection->isEmpty()) {
2877 fit_canvas_to_drawing(doc);
2878 } else {
2879 fit_canvas_to_selection(desktop);
2880 }
2882 sp_document_done(doc, SP_VERB_FIT_CANVAS_TO_DRAWING,
2883 _("Fit page to selection"));
2884 };
2886 static void itemtree_map(void (*f)(SPItem *, SPDesktop *), SPObject *root, SPDesktop *desktop) {
2887 // don't operate on layers
2888 if (SP_IS_ITEM(root) && !desktop->isLayer(SP_ITEM(root))) {
2889 f(SP_ITEM(root), desktop);
2890 }
2891 for ( SPObject::SiblingIterator iter = root->firstChild() ; iter ; ++iter ) {
2892 //don't recurse into locked layers
2893 if (!(SP_IS_ITEM(&*iter) && desktop->isLayer(SP_ITEM(&*iter)) && SP_ITEM(&*iter)->isLocked())) {
2894 itemtree_map(f, iter, desktop);
2895 }
2896 }
2897 }
2899 static void unlock(SPItem *item, SPDesktop *desktop) {
2900 if (item->isLocked()) {
2901 item->setLocked(FALSE);
2902 }
2903 }
2905 static void unhide(SPItem *item, SPDesktop *desktop) {
2906 if (desktop->itemIsHidden(item)) {
2907 item->setExplicitlyHidden(FALSE);
2908 }
2909 }
2911 static void process_all(void (*f)(SPItem *, SPDesktop *), SPDesktop *dt, bool layer_only) {
2912 if (!dt) return;
2914 SPObject *root;
2915 if (layer_only) {
2916 root = dt->currentLayer();
2917 } else {
2918 root = dt->currentRoot();
2919 }
2921 itemtree_map(f, root, dt);
2922 }
2924 void unlock_all(SPDesktop *dt) {
2925 process_all(&unlock, dt, true);
2926 }
2928 void unlock_all_in_all_layers(SPDesktop *dt) {
2929 process_all(&unlock, dt, false);
2930 }
2932 void unhide_all(SPDesktop *dt) {
2933 process_all(&unhide, dt, true);
2934 }
2936 void unhide_all_in_all_layers(SPDesktop *dt) {
2937 process_all(&unhide, dt, false);
2938 }
2940 /*
2941 Local Variables:
2942 mode:c++
2943 c-file-style:"stroustrup"
2944 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
2945 indent-tabs-mode:nil
2946 fill-column:99
2947 End:
2948 */
2949 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :