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"
76 #include "sp-filter-reference.h"
78 using NR::X;
79 using NR::Y;
81 #include "selection-chemistry.h"
83 /* fixme: find a better place */
84 Inkscape::XML::Document *clipboard_document = NULL;
85 GSList *clipboard = NULL;
86 GSList *defs_clipboard = NULL;
87 SPCSSAttr *style_clipboard = NULL;
88 NR::Maybe<NR::Rect> size_clipboard;
90 static void sp_copy_stuff_used_by_item(GSList **defs_clip, SPItem *item, const GSList *items, Inkscape::XML::Document* xml_doc);
92 /**
93 * Copies repr and its inherited css style elements, along with the accumulated transform 'full_t',
94 * then prepends the copy to 'clip'.
95 */
96 void sp_selection_copy_one (Inkscape::XML::Node *repr, NR::Matrix full_t, GSList **clip, Inkscape::XML::Document* xml_doc)
97 {
98 Inkscape::XML::Node *copy = repr->duplicate(xml_doc);
100 // copy complete inherited style
101 SPCSSAttr *css = sp_repr_css_attr_inherited(repr, "style");
102 sp_repr_css_set(copy, css, "style");
103 sp_repr_css_attr_unref(css);
105 // write the complete accumulated transform passed to us
106 // (we're dealing with unattached repr, so we write to its attr
107 // instead of using sp_item_set_transform)
108 gchar *affinestr=sp_svg_transform_write(full_t);
109 copy->setAttribute("transform", affinestr);
110 g_free(affinestr);
112 *clip = g_slist_prepend(*clip, copy);
113 }
115 void sp_selection_copy_impl (const GSList *items, GSList **clip, GSList **defs_clip, SPCSSAttr **style_clip, Inkscape::XML::Document* xml_doc)
116 {
118 // Copy stuff referenced by all items to defs_clip:
119 if (defs_clip) {
120 for (GSList *i = (GSList *) items; i != NULL; i = i->next) {
121 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (i->data), items, xml_doc);
122 }
123 *defs_clip = g_slist_reverse(*defs_clip);
124 }
126 // Store style:
127 if (style_clip) {
128 SPItem *item = SP_ITEM (items->data); // take from the first selected item
129 *style_clip = take_style_from_item (item);
130 }
132 if (clip) {
133 // Sort items:
134 GSList *sorted_items = g_slist_copy ((GSList *) items);
135 sorted_items = g_slist_sort((GSList *) sorted_items, (GCompareFunc) sp_object_compare_position);
137 // Copy item reprs:
138 for (GSList *i = (GSList *) sorted_items; i != NULL; i = i->next) {
139 sp_selection_copy_one (SP_OBJECT_REPR (i->data), sp_item_i2doc_affine(SP_ITEM (i->data)), clip, xml_doc);
140 }
142 *clip = g_slist_reverse(*clip);
143 g_slist_free ((GSList *) sorted_items);
144 }
145 }
147 /**
148 * Add gradients/patterns/markers referenced by copied objects to defs.
149 * Iterates through 'defs_clip', and for each item it adds the data
150 * repr into the global defs.
151 */
152 void
153 paste_defs (GSList **defs_clip, SPDocument *doc)
154 {
155 if (!defs_clip)
156 return;
158 for (GSList *gl = *defs_clip; gl != NULL; gl = gl->next) {
159 SPDefs *defs= (SPDefs *) SP_DOCUMENT_DEFS(doc);
160 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) gl->data;
161 gchar const *id = repr->attribute("id");
162 if (!id || !doc->getObjectById(id)) {
163 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
164 Inkscape::XML::Node *copy = repr->duplicate(xml_doc);
165 SP_OBJECT_REPR(defs)->addChild(copy, NULL);
166 Inkscape::GC::release(copy);
167 }
168 }
169 }
171 GSList *sp_selection_paste_impl (SPDocument *doc, SPObject *parent, GSList **clip, GSList **defs_clip)
172 {
173 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
174 paste_defs (defs_clip, doc);
176 GSList *copied = NULL;
177 // add objects to document
178 for (GSList *l = *clip; l != NULL; l = l->next) {
179 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
180 Inkscape::XML::Node *copy = repr->duplicate(xml_doc);
182 // premultiply the item transform by the accumulated parent transform in the paste layer
183 NR::Matrix local = sp_item_i2doc_affine(SP_ITEM(parent));
184 if (!local.test_identity()) {
185 gchar const *t_str = copy->attribute("transform");
186 NR::Matrix item_t (NR::identity());
187 if (t_str)
188 sp_svg_transform_read(t_str, &item_t);
189 item_t *= local.inverse();
190 // (we're dealing with unattached repr, so we write to its attr instead of using sp_item_set_transform)
191 gchar *affinestr=sp_svg_transform_write(item_t);
192 copy->setAttribute("transform", affinestr);
193 g_free(affinestr);
194 }
196 parent->appendChildRepr(copy);
197 copied = g_slist_prepend(copied, copy);
198 Inkscape::GC::release(copy);
199 }
200 return copied;
201 }
203 void sp_selection_delete_impl(const GSList *items)
204 {
205 for (const GSList *i = items ; i ; i = i->next ) {
206 sp_object_ref((SPObject *)i->data, NULL);
207 }
208 for (const GSList *i = items; i != NULL; i = i->next) {
209 SPItem *item = (SPItem *) i->data;
210 SP_OBJECT(item)->deleteObject();
211 sp_object_unref((SPObject *)item, NULL);
212 }
213 }
216 void sp_selection_delete()
217 {
218 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
219 if (desktop == NULL) {
220 return;
221 }
223 if (tools_isactive (desktop, TOOLS_TEXT))
224 if (sp_text_delete_selection(desktop->event_context)) {
225 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_TEXT,
226 _("Delete text"));
227 return;
228 }
230 Inkscape::Selection *selection = sp_desktop_selection(desktop);
232 // check if something is selected
233 if (selection->isEmpty()) {
234 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("<b>Nothing</b> was deleted."));
235 return;
236 }
238 const GSList *selected = g_slist_copy(const_cast<GSList *>(selection->itemList()));
239 selection->clear();
240 sp_selection_delete_impl (selected);
241 g_slist_free ((GSList *) selected);
243 /* a tool may have set up private information in it's selection context
244 * that depends on desktop items. I think the only sane way to deal with
245 * this currently is to reset the current tool, which will reset it's
246 * associated selection context. For example: deleting an object
247 * while moving it around the canvas.
248 */
249 tools_switch ( desktop, tools_active ( desktop ) );
251 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DELETE,
252 _("Delete"));
253 }
255 /* fixme: sequencing */
256 void sp_selection_duplicate()
257 {
258 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
259 if (desktop == NULL)
260 return;
262 Inkscape::XML::Document* xml_doc = sp_document_repr_doc(desktop->doc());
263 Inkscape::Selection *selection = sp_desktop_selection(desktop);
265 // check if something is selected
266 if (selection->isEmpty()) {
267 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to duplicate."));
268 return;
269 }
271 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
273 selection->clear();
275 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
276 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
278 GSList *newsel = NULL;
280 while (reprs) {
281 Inkscape::XML::Node *parent = ((Inkscape::XML::Node *) reprs->data)->parent();
282 Inkscape::XML::Node *copy = ((Inkscape::XML::Node *) reprs->data)->duplicate(xml_doc);
284 parent->appendChild(copy);
286 newsel = g_slist_prepend(newsel, copy);
287 reprs = g_slist_remove(reprs, reprs->data);
288 Inkscape::GC::release(copy);
289 }
291 sp_document_done(sp_desktop_document(desktop), SP_VERB_EDIT_DUPLICATE,
292 _("Duplicate"));
294 selection->setReprList(newsel);
296 g_slist_free(newsel);
297 }
299 void sp_edit_clear_all()
300 {
301 SPDesktop *dt = SP_ACTIVE_DESKTOP;
302 if (!dt)
303 return;
305 SPDocument *doc = sp_desktop_document(dt);
306 sp_desktop_selection(dt)->clear();
308 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
309 GSList *items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
311 while (items) {
312 SP_OBJECT (items->data)->deleteObject();
313 items = g_slist_remove(items, items->data);
314 }
316 sp_document_done(doc, SP_VERB_EDIT_CLEAR_ALL,
317 _("Delete all"));
318 }
320 GSList *
321 get_all_items (GSList *list, SPObject *from, SPDesktop *desktop, bool onlyvisible, bool onlysensitive, const GSList *exclude)
322 {
323 for (SPObject *child = sp_object_first_child(SP_OBJECT(from)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
324 if (SP_IS_ITEM(child) &&
325 !desktop->isLayer(SP_ITEM(child)) &&
326 (!onlysensitive || !SP_ITEM(child)->isLocked()) &&
327 (!onlyvisible || !desktop->itemIsHidden(SP_ITEM(child))) &&
328 (!exclude || !g_slist_find ((GSList *) exclude, child))
329 )
330 {
331 list = g_slist_prepend (list, SP_ITEM(child));
332 }
334 if (SP_IS_ITEM(child) && desktop->isLayer(SP_ITEM(child))) {
335 list = get_all_items (list, child, desktop, onlyvisible, onlysensitive, exclude);
336 }
337 }
339 return list;
340 }
342 void sp_edit_select_all_full (bool force_all_layers, bool invert)
343 {
344 SPDesktop *dt = SP_ACTIVE_DESKTOP;
345 if (!dt)
346 return;
348 Inkscape::Selection *selection = sp_desktop_selection(dt);
350 g_return_if_fail(SP_IS_GROUP(dt->currentLayer()));
352 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
353 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
354 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
356 GSList *items = NULL;
358 const GSList *exclude = NULL;
359 if (invert) {
360 exclude = selection->itemList();
361 }
363 if (force_all_layers)
364 inlayer = PREFS_SELECTION_ALL;
366 switch (inlayer) {
367 case PREFS_SELECTION_LAYER: {
368 if ( (onlysensitive && SP_ITEM(dt->currentLayer())->isLocked()) ||
369 (onlyvisible && dt->itemIsHidden(SP_ITEM(dt->currentLayer()))) )
370 return;
372 GSList *all_items = sp_item_group_item_list(SP_GROUP(dt->currentLayer()));
374 for (GSList *i = all_items; i; i = i->next) {
375 SPItem *item = SP_ITEM (i->data);
377 if (item && (!onlysensitive || !item->isLocked())) {
378 if (!onlyvisible || !dt->itemIsHidden(item)) {
379 if (!dt->isLayer(item)) {
380 if (!invert || !g_slist_find ((GSList *) exclude, item)) {
381 items = g_slist_prepend (items, item); // leave it in the list
382 }
383 }
384 }
385 }
386 }
388 g_slist_free (all_items);
389 break;
390 }
391 case PREFS_SELECTION_LAYER_RECURSIVE: {
392 items = get_all_items (NULL, dt->currentLayer(), dt, onlyvisible, onlysensitive, exclude);
393 break;
394 }
395 default: {
396 items = get_all_items (NULL, dt->currentRoot(), dt, onlyvisible, onlysensitive, exclude);
397 break;
398 }
399 }
401 selection->setList (items);
403 if (items) {
404 g_slist_free (items);
405 }
406 }
408 void sp_edit_select_all ()
409 {
410 sp_edit_select_all_full (false, false);
411 }
413 void sp_edit_select_all_in_all_layers ()
414 {
415 sp_edit_select_all_full (true, false);
416 }
418 void sp_edit_invert ()
419 {
420 sp_edit_select_all_full (false, true);
421 }
423 void sp_edit_invert_in_all_layers ()
424 {
425 sp_edit_select_all_full (true, true);
426 }
428 void sp_selection_group()
429 {
430 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
431 if (desktop == NULL)
432 return;
434 SPDocument *doc = sp_desktop_document (desktop);
435 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
437 Inkscape::Selection *selection = sp_desktop_selection(desktop);
439 // Check if something is selected.
440 if (selection->isEmpty()) {
441 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>some objects</b> to group."));
442 return;
443 }
445 GSList const *l = (GSList *) selection->reprList();
447 GSList *p = g_slist_copy((GSList *) l);
449 selection->clear();
451 p = g_slist_sort(p, (GCompareFunc) sp_repr_compare_position);
453 // Remember the position and parent of the topmost object.
454 gint topmost = ((Inkscape::XML::Node *) g_slist_last(p)->data)->position();
455 Inkscape::XML::Node *topmost_parent = ((Inkscape::XML::Node *) g_slist_last(p)->data)->parent();
457 Inkscape::XML::Node *group = xml_doc->createElement("svg:g");
459 while (p) {
460 Inkscape::XML::Node *current = (Inkscape::XML::Node *) p->data;
462 if (current->parent() == topmost_parent) {
463 Inkscape::XML::Node *spnew = current->duplicate(xml_doc);
464 sp_repr_unparent(current);
465 group->appendChild(spnew);
466 Inkscape::GC::release(spnew);
467 topmost --; // only reduce count for those items deleted from topmost_parent
468 } else { // move it to topmost_parent first
469 GSList *temp_clip = NULL;
471 // At this point, current may already have no item, due to its being a clone whose original is already moved away
472 // So we copy it artificially calculating the transform from its repr->attr("transform") and the parent transform
473 gchar const *t_str = current->attribute("transform");
474 NR::Matrix item_t (NR::identity());
475 if (t_str)
476 sp_svg_transform_read(t_str, &item_t);
477 item_t *= sp_item_i2doc_affine(SP_ITEM(doc->getObjectByRepr(current->parent())));
478 //FIXME: when moving both clone and original from a transformed group (either by
479 //grouping into another parent, or by cut/paste) the transform from the original's
480 //parent becomes embedded into original itself, and this affects its clones. Fix
481 //this by remembering the transform diffs we write to each item into an array and
482 //then, if this is clone, looking up its original in that array and pre-multiplying
483 //it by the inverse of that original's transform diff.
485 sp_selection_copy_one (current, item_t, &temp_clip, xml_doc);
486 sp_repr_unparent(current);
488 // paste into topmost_parent (temporarily)
489 GSList *copied = sp_selection_paste_impl (doc, doc->getObjectByRepr(topmost_parent), &temp_clip, NULL);
490 if (temp_clip) g_slist_free (temp_clip);
491 if (copied) { // if success,
492 // take pasted object (now in topmost_parent)
493 Inkscape::XML::Node *in_topmost = (Inkscape::XML::Node *) copied->data;
494 // make a copy
495 Inkscape::XML::Node *spnew = in_topmost->duplicate(xml_doc);
496 // remove pasted
497 sp_repr_unparent(in_topmost);
498 // put its copy into group
499 group->appendChild(spnew);
500 Inkscape::GC::release(spnew);
501 g_slist_free (copied);
502 }
503 }
504 p = g_slist_remove(p, current);
505 }
507 // Add the new group to the topmost members' parent
508 topmost_parent->appendChild(group);
510 // Move to the position of the topmost, reduced by the number of items deleted from topmost_parent
511 group->setPosition(topmost + 1);
513 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_GROUP,
514 _("Group"));
516 selection->set(group);
517 Inkscape::GC::release(group);
518 }
520 void sp_selection_ungroup()
521 {
522 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
523 if (desktop == NULL)
524 return;
526 Inkscape::Selection *selection = sp_desktop_selection(desktop);
528 if (selection->isEmpty()) {
529 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select a <b>group</b> to ungroup."));
530 return;
531 }
533 GSList *items = g_slist_copy((GSList *) selection->itemList());
534 selection->clear();
536 // Get a copy of current selection.
537 GSList *new_select = NULL;
538 bool ungrouped = false;
539 for (GSList *i = items;
540 i != NULL;
541 i = i->next)
542 {
543 SPItem *group = (SPItem *) i->data;
545 // when ungrouping cloned groups with their originals, some objects that were selected may no more exist due to unlinking
546 if (!SP_IS_OBJECT(group)) {
547 continue;
548 }
550 /* We do not allow ungrouping <svg> etc. (lauris) */
551 if (strcmp(SP_OBJECT_REPR(group)->name(), "svg:g") && strcmp(SP_OBJECT_REPR(group)->name(), "svg:switch")) {
552 // keep the non-group item in the new selection
553 selection->add(group);
554 continue;
555 }
557 GSList *children = NULL;
558 /* This is not strictly required, but is nicer to rely on group ::destroy (lauris) */
559 sp_item_group_ungroup(SP_GROUP(group), &children, false);
560 ungrouped = true;
561 // Add ungrouped items to the new selection.
562 new_select = g_slist_concat(new_select, children);
563 }
565 if (new_select) { // Set new selection.
566 selection->addList(new_select);
567 g_slist_free(new_select);
568 }
569 if (!ungrouped) {
570 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("<b>No groups</b> to ungroup in the selection."));
571 }
573 g_slist_free(items);
575 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_UNGROUP,
576 _("Ungroup"));
577 }
579 static SPGroup *
580 sp_item_list_common_parent_group(const GSList *items)
581 {
582 if (!items) {
583 return NULL;
584 }
585 SPObject *parent = SP_OBJECT_PARENT(items->data);
586 /* Strictly speaking this CAN happen, if user selects <svg> from Inkscape::XML editor */
587 if (!SP_IS_GROUP(parent)) {
588 return NULL;
589 }
590 for (items = items->next; items; items = items->next) {
591 if (SP_OBJECT_PARENT(items->data) != parent) {
592 return NULL;
593 }
594 }
596 return SP_GROUP(parent);
597 }
599 /** Finds out the minimum common bbox of the selected items
600 */
601 static NR::Maybe<NR::Rect>
602 enclose_items(const GSList *items)
603 {
604 g_assert(items != NULL);
606 NR::Maybe<NR::Rect> r = NR::Nothing();
607 for (GSList const *i = items; i; i = i->next) {
608 r = NR::union_bounds(r, sp_item_bbox_desktop((SPItem *) i->data));
609 }
610 return r;
611 }
613 SPObject *
614 prev_sibling(SPObject *child)
615 {
616 SPObject *parent = SP_OBJECT_PARENT(child);
617 if (!SP_IS_GROUP(parent)) {
618 return NULL;
619 }
620 for ( SPObject *i = sp_object_first_child(parent) ; i; i = SP_OBJECT_NEXT(i) ) {
621 if (i->next == child)
622 return i;
623 }
624 return NULL;
625 }
627 void
628 sp_selection_raise()
629 {
630 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
631 if (!desktop)
632 return;
634 Inkscape::Selection *selection = sp_desktop_selection(desktop);
636 GSList const *items = (GSList *) selection->itemList();
637 if (!items) {
638 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise."));
639 return;
640 }
642 SPGroup const *group = sp_item_list_common_parent_group(items);
643 if (!group) {
644 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
645 return;
646 }
648 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
650 /* construct reverse-ordered list of selected children */
651 GSList *rev = g_slist_copy((GSList *) items);
652 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
654 // find out the common bbox of the selected items
655 NR::Maybe<NR::Rect> selected = enclose_items(items);
657 // for all objects in the selection (starting from top)
658 if (selected) {
659 while (rev) {
660 SPObject *child = SP_OBJECT(rev->data);
661 // for each selected object, find the next sibling
662 for (SPObject *newref = child->next; newref; newref = newref->next) {
663 // if the sibling is an item AND overlaps our selection,
664 if (SP_IS_ITEM(newref)) {
665 NR::Maybe<NR::Rect> newref_bbox = sp_item_bbox_desktop(SP_ITEM(newref));
666 if ( newref_bbox && selected->intersects(*newref_bbox) ) {
667 // AND if it's not one of our selected objects,
668 if (!g_slist_find((GSList *) items, newref)) {
669 // move the selected object after that sibling
670 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(newref));
671 }
672 break;
673 }
674 }
675 }
676 rev = g_slist_remove(rev, child);
677 }
678 } else {
679 g_slist_free(rev);
680 }
682 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_RAISE,
683 _("Raise"));
684 }
686 void sp_selection_raise_to_top()
687 {
688 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
689 if (desktop == NULL)
690 return;
692 SPDocument *document = sp_desktop_document(desktop);
693 Inkscape::Selection *selection = sp_desktop_selection(desktop);
695 if (selection->isEmpty()) {
696 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to raise to top."));
697 return;
698 }
700 GSList const *items = (GSList *) selection->itemList();
702 SPGroup const *group = sp_item_list_common_parent_group(items);
703 if (!group) {
704 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
705 return;
706 }
708 GSList *rl = g_slist_copy((GSList *) selection->reprList());
709 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
711 for (GSList *l = rl; l != NULL; l = l->next) {
712 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
713 repr->setPosition(-1);
714 }
716 g_slist_free(rl);
718 sp_document_done(document, SP_VERB_SELECTION_TO_FRONT,
719 _("Raise to top"));
720 }
722 void
723 sp_selection_lower()
724 {
725 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
726 if (desktop == NULL)
727 return;
729 Inkscape::Selection *selection = sp_desktop_selection(desktop);
731 GSList const *items = (GSList *) selection->itemList();
732 if (!items) {
733 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower."));
734 return;
735 }
737 SPGroup const *group = sp_item_list_common_parent_group(items);
738 if (!group) {
739 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
740 return;
741 }
743 Inkscape::XML::Node *grepr = SP_OBJECT_REPR(group);
745 // find out the common bbox of the selected items
746 NR::Maybe<NR::Rect> selected = enclose_items(items);
748 /* construct direct-ordered list of selected children */
749 GSList *rev = g_slist_copy((GSList *) items);
750 rev = g_slist_sort(rev, (GCompareFunc) sp_item_repr_compare_position);
751 rev = g_slist_reverse(rev);
753 // for all objects in the selection (starting from top)
754 if (selected) {
755 while (rev) {
756 SPObject *child = SP_OBJECT(rev->data);
757 // for each selected object, find the prev sibling
758 for (SPObject *newref = prev_sibling(child); newref; newref = prev_sibling(newref)) {
759 // if the sibling is an item AND overlaps our selection,
760 if (SP_IS_ITEM(newref)) {
761 NR::Maybe<NR::Rect> ref_bbox = sp_item_bbox_desktop(SP_ITEM(newref));
762 if ( ref_bbox && selected->intersects(*ref_bbox) ) {
763 // AND if it's not one of our selected objects,
764 if (!g_slist_find((GSList *) items, newref)) {
765 // move the selected object before that sibling
766 SPObject *put_after = prev_sibling(newref);
767 if (put_after)
768 grepr->changeOrder(SP_OBJECT_REPR(child), SP_OBJECT_REPR(put_after));
769 else
770 SP_OBJECT_REPR(child)->setPosition(0);
771 }
772 break;
773 }
774 }
775 }
776 rev = g_slist_remove(rev, child);
777 }
778 } else {
779 g_slist_free(rev);
780 }
782 sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_LOWER,
783 _("Lower"));
784 }
786 void sp_selection_lower_to_bottom()
787 {
788 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
789 if (desktop == NULL)
790 return;
792 SPDocument *document = sp_desktop_document(desktop);
793 Inkscape::Selection *selection = sp_desktop_selection(desktop);
795 if (selection->isEmpty()) {
796 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to lower to bottom."));
797 return;
798 }
800 GSList const *items = (GSList *) selection->itemList();
802 SPGroup const *group = sp_item_list_common_parent_group(items);
803 if (!group) {
804 desktop->messageStack()->flash(Inkscape::ERROR_MESSAGE, _("You cannot raise/lower objects from <b>different groups</b> or <b>layers</b>."));
805 return;
806 }
808 GSList *rl;
809 rl = g_slist_copy((GSList *) selection->reprList());
810 rl = g_slist_sort(rl, (GCompareFunc) sp_repr_compare_position);
811 rl = g_slist_reverse(rl);
813 for (GSList *l = rl; l != NULL; l = l->next) {
814 gint minpos;
815 SPObject *pp, *pc;
816 Inkscape::XML::Node *repr = (Inkscape::XML::Node *) l->data;
817 pp = document->getObjectByRepr(sp_repr_parent(repr));
818 minpos = 0;
819 g_assert(SP_IS_GROUP(pp));
820 pc = sp_object_first_child(pp);
821 while (!SP_IS_ITEM(pc)) {
822 minpos += 1;
823 pc = pc->next;
824 }
825 repr->setPosition(minpos);
826 }
828 g_slist_free(rl);
830 sp_document_done(document, SP_VERB_SELECTION_TO_BACK,
831 _("Lower to bottom"));
832 }
834 void
835 sp_undo(SPDesktop *desktop, SPDocument *)
836 {
837 if (!sp_document_undo(sp_desktop_document(desktop)))
838 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to undo."));
839 }
841 void
842 sp_redo(SPDesktop *desktop, SPDocument *)
843 {
844 if (!sp_document_redo(sp_desktop_document(desktop)))
845 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing to redo."));
846 }
848 void sp_selection_cut()
849 {
850 sp_selection_copy();
851 sp_selection_delete();
852 }
854 void sp_copy_gradient (GSList **defs_clip, SPGradient *gradient, Inkscape::XML::Document* xml_doc)
855 {
856 SPGradient *ref = gradient;
858 while (ref) {
859 // climb up the refs, copying each one in the chain
860 Inkscape::XML::Node *grad_repr = SP_OBJECT_REPR(ref)->duplicate(xml_doc);
861 *defs_clip = g_slist_prepend (*defs_clip, grad_repr);
863 ref = ref->ref->getObject();
864 }
865 }
867 void sp_copy_pattern (GSList **defs_clip, SPPattern *pattern, Inkscape::XML::Document* xml_doc)
868 {
869 SPPattern *ref = pattern;
871 while (ref) {
872 // climb up the refs, copying each one in the chain
873 Inkscape::XML::Node *pattern_repr = SP_OBJECT_REPR(ref)->duplicate(xml_doc);
874 *defs_clip = g_slist_prepend (*defs_clip, pattern_repr);
876 // items in the pattern may also use gradients and other patterns, so we need to recurse here as well
877 for (SPObject *child = sp_object_first_child(SP_OBJECT(ref)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
878 if (!SP_IS_ITEM (child))
879 continue;
880 sp_copy_stuff_used_by_item (defs_clip, (SPItem *) child, NULL, xml_doc);
881 }
883 ref = ref->ref->getObject();
884 }
885 }
887 void sp_copy_single (GSList **defs_clip, SPObject *thing, Inkscape::XML::Document* xml_doc)
888 {
889 Inkscape::XML::Node *duplicate_repr = SP_OBJECT_REPR(thing)->duplicate(xml_doc);
890 *defs_clip = g_slist_prepend (*defs_clip, duplicate_repr);
891 }
894 void sp_copy_textpath_path (GSList **defs_clip, SPTextPath *tp, const GSList *items, Inkscape::XML::Document* xml_doc)
895 {
896 SPItem *path = sp_textpath_get_path_item (tp);
897 if (!path)
898 return;
899 if (items && g_slist_find ((GSList *) items, path)) // do not copy it to defs if it is already in the list of items copied
900 return;
901 Inkscape::XML::Node *repr = SP_OBJECT_REPR(path)->duplicate(xml_doc);
902 *defs_clip = g_slist_prepend (*defs_clip, repr);
903 }
905 /**
906 * Copies things like patterns, markers, gradients, etc.
907 */
908 void sp_copy_stuff_used_by_item (GSList **defs_clip, SPItem *item, const GSList *items, Inkscape::XML::Document* xml_doc)
909 {
910 SPStyle *style = SP_OBJECT_STYLE (item);
912 if (style && (style->fill.type == SP_PAINT_TYPE_PAINTSERVER)) {
913 SPObject *server = SP_OBJECT_STYLE_FILL_SERVER(item);
914 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
915 sp_copy_gradient (defs_clip, SP_GRADIENT(server), xml_doc);
916 if (SP_IS_PATTERN (server))
917 sp_copy_pattern (defs_clip, SP_PATTERN(server), xml_doc);
918 }
920 if (style && (style->stroke.type == SP_PAINT_TYPE_PAINTSERVER)) {
921 SPObject *server = SP_OBJECT_STYLE_STROKE_SERVER(item);
922 if (SP_IS_LINEARGRADIENT (server) || SP_IS_RADIALGRADIENT (server))
923 sp_copy_gradient (defs_clip, SP_GRADIENT(server), xml_doc);
924 if (SP_IS_PATTERN (server))
925 sp_copy_pattern (defs_clip, SP_PATTERN(server), xml_doc);
926 }
928 // For shapes, copy all of the shape's markers into defs_clip
929 if (SP_IS_SHAPE (item)) {
930 SPShape *shape = SP_SHAPE (item);
931 for (int i = 0 ; i < SP_MARKER_LOC_QTY ; i++) {
932 if (shape->marker[i]) {
933 sp_copy_single (defs_clip, SP_OBJECT (shape->marker[i]), xml_doc);
934 }
935 }
936 }
938 if (SP_IS_TEXT_TEXTPATH (item)) {
939 sp_copy_textpath_path (defs_clip, SP_TEXTPATH(sp_object_first_child(SP_OBJECT(item))), items, xml_doc);
940 }
942 if (item->clip_ref->getObject()) {
943 sp_copy_single (defs_clip, item->clip_ref->getObject(), xml_doc);
944 }
946 if (item->mask_ref->getObject()) {
947 SPObject *mask = item->mask_ref->getObject();
948 sp_copy_single (defs_clip, mask, xml_doc);
949 // recurse into the mask for its gradients etc.
950 for (SPObject *o = SP_OBJECT(mask)->children; o != NULL; o = o->next) {
951 if (SP_IS_ITEM(o))
952 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items, xml_doc);
953 }
954 }
956 if (style->filter.href->getObject()) {
957 SPObject *filter = style->filter.href->getObject();
958 if (SP_IS_FILTER(filter)) {
959 sp_copy_single (defs_clip, filter, xml_doc);
960 }
961 }
963 // recurse
964 for (SPObject *o = SP_OBJECT(item)->children; o != NULL; o = o->next) {
965 if (SP_IS_ITEM(o))
966 sp_copy_stuff_used_by_item (defs_clip, SP_ITEM (o), items, xml_doc);
967 }
968 }
970 /**
971 * \pre item != NULL
972 */
973 SPCSSAttr *
974 take_style_from_item (SPItem *item)
975 {
976 // write the complete cascaded style, context-free
977 SPCSSAttr *css = sp_css_attr_from_object (SP_OBJECT(item), SP_STYLE_FLAG_ALWAYS);
978 if (css == NULL)
979 return NULL;
981 if ((SP_IS_GROUP(item) && SP_OBJECT(item)->children) ||
982 (SP_IS_TEXT (item) && SP_OBJECT(item)->children && SP_OBJECT(item)->children->next == NULL)) {
983 // if this is a text with exactly one tspan child, merge the style of that tspan as well
984 // If this is a group, merge the style of its topmost (last) child with style
985 for (SPObject *last_element = item->lastChild(); last_element != NULL; last_element = SP_OBJECT_PREV (last_element)) {
986 if (SP_OBJECT_STYLE (last_element) != NULL) {
987 SPCSSAttr *temp = sp_css_attr_from_object (last_element, SP_STYLE_FLAG_IFSET);
988 if (temp) {
989 sp_repr_css_merge (css, temp);
990 sp_repr_css_attr_unref (temp);
991 }
992 break;
993 }
994 }
995 }
996 if (!(SP_IS_TEXT (item) || SP_IS_TSPAN (item) || SP_IS_STRING (item))) {
997 // do not copy text properties from non-text objects, it's confusing
998 css = sp_css_attr_unset_text (css);
999 }
1001 // FIXME: also transform gradient/pattern fills, by forking? NO, this must be nondestructive
1002 double ex = NR::expansion(sp_item_i2doc_affine(item));
1003 if (ex != 1.0) {
1004 css = sp_css_attr_scale (css, ex);
1005 }
1007 return css;
1008 }
1011 void sp_selection_copy()
1012 {
1013 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1014 if (desktop == NULL)
1015 return;
1017 if (!clipboard_document) {
1018 clipboard_document = new Inkscape::XML::SimpleDocument();
1019 }
1021 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1023 if (tools_isactive (desktop, TOOLS_DROPPER)) {
1024 sp_dropper_context_copy(desktop->event_context);
1025 return; // copied color under cursor, nothing else to do
1026 }
1028 // check if something is selected
1029 if (selection->isEmpty()) {
1030 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing was copied."));
1031 return;
1032 }
1034 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1036 // 0. Copy text to system clipboard
1037 // FIXME: for non-texts, put serialized Inkscape::XML as text to the clipboard;
1038 //for this sp_repr_write_stream needs to be rewritten with iostream instead of FILE
1039 Glib::ustring text;
1040 if (tools_isactive (desktop, TOOLS_TEXT)) {
1041 text = sp_text_get_selected_text(desktop->event_context);
1042 }
1044 if (text.empty()) {
1045 guint texts = 0;
1046 for (GSList *i = (GSList *) items; i; i = i->next) {
1047 SPItem *item = SP_ITEM (i->data);
1048 if (SP_IS_TEXT (item) || SP_IS_FLOWTEXT(item)) {
1049 if (texts > 0) // if more than one text object is copied, separate them by spaces
1050 text += " ";
1051 gchar *this_text = sp_te_get_string_multiline (item);
1052 if (this_text) {
1053 text += this_text;
1054 g_free(this_text);
1055 }
1056 texts++;
1057 }
1058 }
1059 }
1060 if (!text.empty()) {
1061 Glib::RefPtr<Gtk::Clipboard> refClipboard = Gtk::Clipboard::get();
1062 refClipboard->set_text(text);
1063 }
1065 // clear old defs clipboard
1066 while (defs_clipboard) {
1067 Inkscape::GC::release((Inkscape::XML::Node *) defs_clipboard->data);
1068 defs_clipboard = g_slist_remove (defs_clipboard, defs_clipboard->data);
1069 }
1071 // clear style clipboard
1072 if (style_clipboard) {
1073 sp_repr_css_attr_unref (style_clipboard);
1074 style_clipboard = NULL;
1075 }
1077 //clear main clipboard
1078 while (clipboard) {
1079 Inkscape::GC::release((Inkscape::XML::Node *) clipboard->data);
1080 clipboard = g_slist_remove(clipboard, clipboard->data);
1081 }
1083 sp_selection_copy_impl (items, &clipboard, &defs_clipboard, &style_clipboard, clipboard_document);
1085 if (tools_isactive (desktop, TOOLS_TEXT)) { // take style from cursor/text selection, overwriting the style just set by copy_impl
1086 SPStyle *const query = sp_style_new(SP_ACTIVE_DOCUMENT);
1087 if (sp_desktop_query_style_all (desktop, query)) {
1088 SPCSSAttr *css = sp_css_attr_from_style (query, SP_STYLE_FLAG_ALWAYS);
1089 if (css != NULL) {
1090 // clear style clipboard
1091 if (style_clipboard) {
1092 sp_repr_css_attr_unref (style_clipboard);
1093 style_clipboard = NULL;
1094 }
1095 //sp_repr_css_print (css);
1096 style_clipboard = css;
1097 }
1098 }
1099 sp_style_unref(query);
1100 }
1102 size_clipboard = selection->bounds();
1104 g_slist_free ((GSList *) items);
1105 }
1107 void sp_selection_paste(bool in_place)
1108 {
1109 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1111 if (desktop == NULL) {
1112 return;
1113 }
1115 SPDocument *document = sp_desktop_document(desktop);
1117 if (Inkscape::have_viable_layer(desktop, desktop->messageStack()) == false) {
1118 return;
1119 }
1121 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1123 if (tools_isactive (desktop, TOOLS_TEXT)) {
1124 if (sp_text_paste_inline(desktop->event_context))
1125 return; // pasted from system clipboard into text, nothing else to do
1126 }
1128 // check if something is in the clipboard
1129 if (clipboard == NULL) {
1130 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1131 return;
1132 }
1134 GSList *copied = sp_selection_paste_impl(document, desktop->currentLayer(), &clipboard, &defs_clipboard);
1135 // add pasted objects to selection
1136 selection->setReprList((GSList const *) copied);
1137 g_slist_free (copied);
1139 if (!in_place) {
1140 sp_document_ensure_up_to_date(document);
1142 NR::Maybe<NR::Rect> sel_bbox = selection->bounds();
1143 NR::Point m( desktop->point() );
1144 if (sel_bbox) {
1145 m -= sel_bbox->midpoint();
1146 }
1148 /* Snap the offset of the new item(s) to the grid */
1149 SnapManager &sm = desktop->namedview->snap_manager;
1150 SnapManager::SnapperList gs = sm.getGridSnappers();
1151 m = sm.freeSnapAlways(Inkscape::Snapper::SNAP_POINT, m, NULL, gs).getPoint();
1152 sp_selection_move_relative(selection, m);
1153 }
1155 sp_document_done(document, SP_VERB_EDIT_PASTE,
1156 _("Paste"));
1157 }
1159 void sp_selection_paste_style()
1160 {
1161 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1162 if (desktop == NULL) return;
1164 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1166 // check if something is in the clipboard
1167 if (clipboard == NULL) {
1168 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1169 return;
1170 }
1172 // check if something is selected
1173 if (selection->isEmpty()) {
1174 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste style to."));
1175 return;
1176 }
1178 paste_defs (&defs_clipboard, sp_desktop_document(desktop));
1180 sp_desktop_set_style (desktop, style_clipboard);
1182 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_STYLE,
1183 _("Paste style"));
1184 }
1186 void sp_selection_paste_size (bool apply_x, bool apply_y)
1187 {
1188 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1189 if (desktop == NULL) return;
1191 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1193 // check if something is in the clipboard
1194 if (!size_clipboard) {
1195 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1196 return;
1197 }
1199 // check if something is selected
1200 if (selection->isEmpty()) {
1201 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
1202 return;
1203 }
1205 NR::Maybe<NR::Rect> current = selection->bounds();
1206 if ( !current || current->isEmpty() ) {
1207 return;
1208 }
1210 double scale_x = size_clipboard->extent(NR::X) / current->extent(NR::X);
1211 double scale_y = size_clipboard->extent(NR::Y) / current->extent(NR::Y);
1213 sp_selection_scale_relative (selection, current->midpoint(),
1214 NR::scale(
1215 apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
1216 apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
1218 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_SIZE,
1219 _("Paste size"));
1220 }
1222 void sp_selection_paste_size_separately (bool apply_x, bool apply_y)
1223 {
1224 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1225 if (desktop == NULL) return;
1227 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1229 // check if something is in the clipboard
1230 if ( !size_clipboard ) {
1231 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
1232 return;
1233 }
1235 // check if something is selected
1236 if (selection->isEmpty()) {
1237 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to paste size to."));
1238 return;
1239 }
1241 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1242 SPItem *item = SP_ITEM(l->data);
1244 NR::Maybe<NR::Rect> current = sp_item_bbox_desktop(item);
1245 if ( !current || current->isEmpty() ) {
1246 continue;
1247 }
1249 double scale_x = size_clipboard->extent(NR::X) / current->extent(NR::X);
1250 double scale_y = size_clipboard->extent(NR::Y) / current->extent(NR::Y);
1252 sp_item_scale_rel (item,
1253 NR::scale(
1254 apply_x? scale_x : (desktop->isToolboxButtonActive ("lock")? scale_y : 1.0),
1255 apply_y? scale_y : (desktop->isToolboxButtonActive ("lock")? scale_x : 1.0)));
1257 }
1259 sp_document_done(sp_desktop_document (desktop), SP_VERB_EDIT_PASTE_SIZE_SEPARATELY,
1260 _("Paste size separately"));
1261 }
1263 void sp_selection_to_next_layer ()
1264 {
1265 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1267 Inkscape::Selection *selection = sp_desktop_selection(dt);
1269 // check if something is selected
1270 if (selection->isEmpty()) {
1271 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer above."));
1272 return;
1273 }
1275 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1277 bool no_more = false; // Set to true, if no more layers above
1278 SPObject *next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer());
1279 if (next) {
1280 GSList *temp_clip = NULL;
1281 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
1282 sp_selection_delete_impl (items);
1283 next=Inkscape::next_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1284 GSList *copied;
1285 if(next) {
1286 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
1287 } else {
1288 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
1289 no_more = true;
1290 }
1291 selection->setReprList((GSList const *) copied);
1292 g_slist_free (copied);
1293 if (temp_clip) g_slist_free (temp_clip);
1294 if (next) dt->setCurrentLayer(next);
1295 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_NEXT,
1296 _("Raise to next layer"));
1297 } else {
1298 no_more = true;
1299 }
1301 if (no_more) {
1302 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers above."));
1303 }
1305 g_slist_free ((GSList *) items);
1306 }
1308 void sp_selection_to_prev_layer ()
1309 {
1310 SPDesktop *dt = SP_ACTIVE_DESKTOP;
1312 Inkscape::Selection *selection = sp_desktop_selection(dt);
1314 // check if something is selected
1315 if (selection->isEmpty()) {
1316 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to move to the layer below."));
1317 return;
1318 }
1320 const GSList *items = g_slist_copy ((GSList *) selection->itemList());
1322 bool no_more = false; // Set to true, if no more layers below
1323 SPObject *next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer());
1324 if (next) {
1325 GSList *temp_clip = NULL;
1326 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
1327 sp_selection_delete_impl (items);
1328 next=Inkscape::previous_layer(dt->currentRoot(), dt->currentLayer()); // Fixes bug 1482973: crash while moving layers
1329 GSList *copied;
1330 if(next) {
1331 copied = sp_selection_paste_impl (sp_desktop_document (dt), next, &temp_clip, NULL);
1332 } else {
1333 copied = sp_selection_paste_impl (sp_desktop_document (dt), dt->currentLayer(), &temp_clip, NULL);
1334 no_more = true;
1335 }
1336 selection->setReprList((GSList const *) copied);
1337 g_slist_free (copied);
1338 if (temp_clip) g_slist_free (temp_clip);
1339 if (next) dt->setCurrentLayer(next);
1340 sp_document_done(sp_desktop_document (dt), SP_VERB_LAYER_MOVE_TO_PREV,
1341 _("Lower to previous layer"));
1342 } else {
1343 no_more = true;
1344 }
1346 if (no_more) {
1347 dt->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("No more layers below."));
1348 }
1350 g_slist_free ((GSList *) items);
1351 }
1353 bool
1354 selection_contains_original (SPItem *item, Inkscape::Selection *selection)
1355 {
1356 bool contains_original = false;
1357 bool is_use = SP_IS_USE(item);
1358 SPItem *item_use = item;
1359 SPItem *item_use_first = item;
1360 while (is_use && item_use && !contains_original)
1361 {
1362 item_use = sp_use_get_original (SP_USE(item_use));
1363 contains_original |= selection->includes(item_use);
1364 if (item_use == item_use_first)
1365 break;
1366 is_use = SP_IS_USE(item_use);
1367 }
1368 return contains_original;
1369 }
1372 bool
1373 selection_contains_both_clone_and_original (Inkscape::Selection *selection)
1374 {
1375 bool clone_with_original = false;
1376 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1377 SPItem *item = SP_ITEM(l->data);
1378 clone_with_original |= selection_contains_original(item, selection);
1379 if (clone_with_original)
1380 break;
1381 }
1382 return clone_with_original;
1383 }
1386 /** Apply matrix to the selection. \a set_i2d is normally true, which means objects are in the
1387 original transform, synced with their reprs, and need to jump to the new transform in one go. A
1388 value of set_i2d==false is only used by seltrans when it's dragging objects live (not outlines); in
1389 that case, items are already in the new position, but the repr is in the old, and this function
1390 then simply updates the repr from item->transform.
1391 */
1392 void sp_selection_apply_affine(Inkscape::Selection *selection, NR::Matrix const &affine, bool set_i2d)
1393 {
1394 if (selection->isEmpty())
1395 return;
1397 for (GSList const *l = selection->itemList(); l != NULL; l = l->next) {
1398 SPItem *item = SP_ITEM(l->data);
1400 NR::Point old_center(0,0);
1401 if (set_i2d && item->isCenterSet())
1402 old_center = item->getCenter();
1404 #if 0 /* Re-enable this once persistent guides have a graphical indication.
1405 At the time of writing, this is the only place to re-enable. */
1406 sp_item_update_cns(*item, selection->desktop());
1407 #endif
1409 // we're moving both a clone and its original or any ancestor in clone chain?
1410 bool transform_clone_with_original = selection_contains_original(item, selection);
1411 // ...both a text-on-path and its path?
1412 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)))) ));
1413 // ...both a flowtext and its frame?
1414 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)
1415 // ...both an offset and its source?
1416 bool transform_offset_with_source = (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref) && selection->includes( sp_offset_get_source (SP_OFFSET(item)) );
1418 // If we're moving a connector, we want to detach it
1419 // from shapes that aren't part of the selection, but
1420 // leave it attached if they are
1421 if (cc_item_is_connector(item)) {
1422 SPItem *attItem[2];
1423 SP_PATH(item)->connEndPair.getAttachedItems(attItem);
1425 for (int n = 0; n < 2; ++n) {
1426 if (!selection->includes(attItem[n])) {
1427 sp_conn_end_detach(item, n);
1428 }
1429 }
1430 }
1432 // "clones are unmoved when original is moved" preference
1433 int compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
1434 bool prefs_unmoved = (compensation == SP_CLONE_COMPENSATION_UNMOVED);
1435 bool prefs_parallel = (compensation == SP_CLONE_COMPENSATION_PARALLEL);
1437 // If this is a clone and it's selected along with its original, do not move it; it will feel the
1438 // transform of its original and respond to it itself. Without this, a clone is doubly
1439 // transformed, very unintuitive.
1440 // Same for textpath if we are also doing ANY transform to its path: do not touch textpath,
1441 // letters cannot be squeezed or rotated anyway, they only refill the changed path.
1442 // Same for linked offset if we are also moving its source: do not move it.
1443 if (transform_textpath_with_path || transform_offset_with_source) {
1444 // restore item->transform field from the repr, in case it was changed by seltrans
1445 sp_object_read_attr (SP_OBJECT (item), "transform");
1447 } else if (transform_flowtext_with_frame) {
1448 // apply the inverse of the region's transform to the <use> so that the flow remains
1449 // the same (even though the output itself gets transformed)
1450 for (SPObject *region = item->firstChild() ; region ; region = SP_OBJECT_NEXT(region)) {
1451 if (!SP_IS_FLOWREGION(region) && !SP_IS_FLOWREGIONEXCLUDE(region))
1452 continue;
1453 for (SPObject *use = region->firstChild() ; use ; use = SP_OBJECT_NEXT(use)) {
1454 if (!SP_IS_USE(use)) continue;
1455 sp_item_write_transform(SP_USE(use), SP_OBJECT_REPR(use), item->transform.inverse(), NULL);
1456 }
1457 }
1458 } else if (transform_clone_with_original) {
1459 // We are transforming a clone along with its original. The below matrix juggling is
1460 // necessary to ensure that they transform as a whole, i.e. the clone's induced
1461 // transform and its move compensation are both cancelled out.
1463 // restore item->transform field from the repr, in case it was changed by seltrans
1464 sp_object_read_attr (SP_OBJECT (item), "transform");
1466 // calculate the matrix we need to apply to the clone to cancel its induced transform from its original
1467 NR::Matrix parent_transform = sp_item_i2root_affine(SP_ITEM(SP_OBJECT_PARENT (item)));
1468 NR::Matrix t = parent_transform * matrix_to_desktop (matrix_from_desktop (affine, item), item) * parent_transform.inverse();
1469 NR::Matrix t_inv =parent_transform * matrix_to_desktop (matrix_from_desktop (affine.inverse(), item), item) * parent_transform.inverse();
1470 NR::Matrix result = t_inv * item->transform * t;
1472 if ((prefs_parallel || prefs_unmoved) && affine.is_translation()) {
1473 // we need to cancel out the move compensation, too
1475 // find out the clone move, same as in sp_use_move_compensate
1476 NR::Matrix parent = sp_use_get_parent_transform (SP_USE(item));
1477 NR::Matrix clone_move = parent.inverse() * t * parent;
1479 if (prefs_parallel) {
1480 NR::Matrix move = result * clone_move * t_inv;
1481 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &move);
1483 } else if (prefs_unmoved) {
1484 //if (SP_IS_USE(sp_use_get_original(SP_USE(item))))
1485 // clone_move = NR::identity();
1486 NR::Matrix move = result * clone_move;
1487 sp_item_write_transform(item, SP_OBJECT_REPR(item), move, &t);
1488 }
1490 } else {
1491 // just apply the result
1492 sp_item_write_transform(item, SP_OBJECT_REPR(item), result, &t);
1493 }
1495 } else {
1496 if (set_i2d) {
1497 sp_item_set_i2d_affine(item, sp_item_i2d_affine(item) * affine);
1498 }
1499 sp_item_write_transform(item, SP_OBJECT_REPR(item), item->transform, NULL);
1500 }
1502 // if we're moving the actual object, not just updating the repr, we can transform the
1503 // center by the same matrix (only necessary for non-translations)
1504 if (set_i2d && item->isCenterSet() && !affine.is_translation()) {
1505 item->setCenter(old_center * affine);
1506 SP_OBJECT(item)->updateRepr();
1507 }
1508 }
1509 }
1511 void sp_selection_remove_transform()
1512 {
1513 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1514 if (desktop == NULL)
1515 return;
1517 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1519 GSList const *l = (GSList *) selection->reprList();
1520 while (l != NULL) {
1521 sp_repr_set_attr((Inkscape::XML::Node*)l->data, "transform", NULL);
1522 l = l->next;
1523 }
1525 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_FLATTEN,
1526 _("Remove transform"));
1527 }
1529 void
1530 sp_selection_scale_absolute(Inkscape::Selection *selection,
1531 double const x0, double const x1,
1532 double const y0, double const y1)
1533 {
1534 if (selection->isEmpty())
1535 return;
1537 NR::Maybe<NR::Rect> const bbox(selection->bounds());
1538 if ( !bbox || bbox->isEmpty() ) {
1539 return;
1540 }
1542 NR::translate const p2o(-bbox->min());
1544 NR::scale const newSize(x1 - x0,
1545 y1 - y0);
1546 NR::scale const scale( newSize / NR::scale(bbox->dimensions()) );
1547 NR::translate const o2n(x0, y0);
1548 NR::Matrix const final( p2o * scale * o2n );
1550 sp_selection_apply_affine(selection, final);
1551 }
1554 void sp_selection_scale_relative(Inkscape::Selection *selection, NR::Point const &align, NR::scale const &scale)
1555 {
1556 if (selection->isEmpty())
1557 return;
1559 NR::Maybe<NR::Rect> const bbox(selection->bounds());
1561 if ( !bbox || bbox->isEmpty() ) {
1562 return;
1563 }
1565 // FIXME: ARBITRARY LIMIT: don't try to scale above 1 Mpx, it won't display properly and will crash sooner or later anyway
1566 if ( bbox->extent(NR::X) * scale[NR::X] > 1e6 ||
1567 bbox->extent(NR::Y) * scale[NR::Y] > 1e6 )
1568 {
1569 return;
1570 }
1572 NR::translate const n2d(-align);
1573 NR::translate const d2n(align);
1574 NR::Matrix const final( n2d * scale * d2n );
1575 sp_selection_apply_affine(selection, final);
1576 }
1578 void
1579 sp_selection_rotate_relative(Inkscape::Selection *selection, NR::Point const ¢er, gdouble const angle_degrees)
1580 {
1581 NR::translate const d2n(center);
1582 NR::translate const n2d(-center);
1583 NR::rotate const rotate(rotate_degrees(angle_degrees));
1584 NR::Matrix const final( NR::Matrix(n2d) * rotate * d2n );
1585 sp_selection_apply_affine(selection, final);
1586 }
1588 void
1589 sp_selection_skew_relative(Inkscape::Selection *selection, NR::Point const &align, double dx, double dy)
1590 {
1591 NR::translate const d2n(align);
1592 NR::translate const n2d(-align);
1593 NR::Matrix const skew(1, dy,
1594 dx, 1,
1595 0, 0);
1596 NR::Matrix const final( n2d * skew * d2n );
1597 sp_selection_apply_affine(selection, final);
1598 }
1600 void sp_selection_move_relative(Inkscape::Selection *selection, NR::Point const &move)
1601 {
1602 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(move)));
1603 }
1605 void sp_selection_move_relative(Inkscape::Selection *selection, double dx, double dy)
1606 {
1607 sp_selection_apply_affine(selection, NR::Matrix(NR::translate(dx, dy)));
1608 }
1611 /**
1612 * \brief sp_selection_rotate_90
1613 *
1614 * This function rotates selected objects 90 degrees clockwise.
1615 *
1616 */
1618 void sp_selection_rotate_90_cw()
1619 {
1620 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1622 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1624 if (selection->isEmpty())
1625 return;
1627 GSList const *l = selection->itemList();
1628 NR::rotate const rot_neg_90(NR::Point(0, -1));
1629 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1630 SPItem *item = SP_ITEM(l2->data);
1631 sp_item_rotate_rel(item, rot_neg_90);
1632 }
1634 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CCW,
1635 _("Rotate 90° CW"));
1636 }
1639 /**
1640 * \brief sp_selection_rotate_90_ccw
1641 *
1642 * This function rotates selected objects 90 degrees counter-clockwise.
1643 *
1644 */
1646 void sp_selection_rotate_90_ccw()
1647 {
1648 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1650 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1652 if (selection->isEmpty())
1653 return;
1655 GSList const *l = selection->itemList();
1656 NR::rotate const rot_neg_90(NR::Point(0, 1));
1657 for (GSList const *l2 = l ; l2 != NULL ; l2 = l2->next) {
1658 SPItem *item = SP_ITEM(l2->data);
1659 sp_item_rotate_rel(item, rot_neg_90);
1660 }
1662 sp_document_done(sp_desktop_document(desktop), SP_VERB_OBJECT_ROTATE_90_CW,
1663 _("Rotate 90° CCW"));
1664 }
1666 void
1667 sp_selection_rotate(Inkscape::Selection *selection, gdouble const angle_degrees)
1668 {
1669 if (selection->isEmpty())
1670 return;
1672 NR::Maybe<NR::Point> center = selection->center();
1673 if (!center) {
1674 return;
1675 }
1677 sp_selection_rotate_relative(selection, *center, angle_degrees);
1679 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1680 ( ( angle_degrees > 0 )
1681 ? "selector:rotate:ccw"
1682 : "selector:rotate:cw" ),
1683 SP_VERB_CONTEXT_SELECT,
1684 _("Rotate"));
1685 }
1687 /**
1688 \param angle the angle in "angular pixels", i.e. how many visible pixels must move the outermost point of the rotated object
1689 */
1690 void
1691 sp_selection_rotate_screen(Inkscape::Selection *selection, gdouble angle)
1692 {
1693 if (selection->isEmpty())
1694 return;
1696 NR::Maybe<NR::Rect> const bbox(selection->bounds());
1697 NR::Maybe<NR::Point> center = selection->center();
1699 if ( !bbox || !center ) {
1700 return;
1701 }
1703 gdouble const zoom = selection->desktop()->current_zoom();
1704 gdouble const zmove = angle / zoom;
1705 gdouble const r = NR::L2(bbox->max() - *center);
1707 gdouble const zangle = 180 * atan2(zmove, r) / M_PI;
1709 sp_selection_rotate_relative(selection, *center, zangle);
1711 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1712 ( (angle > 0)
1713 ? "selector:rotate:ccw"
1714 : "selector:rotate:cw" ),
1715 SP_VERB_CONTEXT_SELECT,
1716 _("Rotate by pixels"));
1717 }
1719 void
1720 sp_selection_scale(Inkscape::Selection *selection, gdouble grow)
1721 {
1722 if (selection->isEmpty())
1723 return;
1725 NR::Maybe<NR::Rect> const bbox(selection->bounds());
1726 if (!bbox) {
1727 return;
1728 }
1730 NR::Point const center(bbox->midpoint());
1732 // you can't scale "do nizhe pola" (below zero)
1733 double const max_len = bbox->maxExtent();
1734 if ( max_len + grow <= 1e-3 ) {
1735 return;
1736 }
1738 double const times = 1.0 + grow / max_len;
1739 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1741 sp_document_maybe_done(sp_desktop_document(selection->desktop()),
1742 ( (grow > 0)
1743 ? "selector:scale:larger"
1744 : "selector:scale:smaller" ),
1745 SP_VERB_CONTEXT_SELECT,
1746 _("Scale"));
1747 }
1749 void
1750 sp_selection_scale_screen(Inkscape::Selection *selection, gdouble grow_pixels)
1751 {
1752 sp_selection_scale(selection,
1753 grow_pixels / selection->desktop()->current_zoom());
1754 }
1756 void
1757 sp_selection_scale_times(Inkscape::Selection *selection, gdouble times)
1758 {
1759 if (selection->isEmpty())
1760 return;
1762 NR::Maybe<NR::Rect> sel_bbox = selection->bounds();
1764 if (!sel_bbox) {
1765 return;
1766 }
1768 NR::Point const center(sel_bbox->midpoint());
1769 sp_selection_scale_relative(selection, center, NR::scale(times, times));
1770 sp_document_done(sp_desktop_document(selection->desktop()), SP_VERB_CONTEXT_SELECT,
1771 _("Scale by whole factor"));
1772 }
1774 void
1775 sp_selection_move(gdouble dx, gdouble dy)
1776 {
1777 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1778 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1779 if (selection->isEmpty()) {
1780 return;
1781 }
1783 sp_selection_move_relative(selection, dx, dy);
1785 if (dx == 0) {
1786 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1787 _("Move vertically"));
1788 } else if (dy == 0) {
1789 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1790 _("Move horizontally"));
1791 } else {
1792 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1793 _("Move"));
1794 }
1795 }
1797 void
1798 sp_selection_move_screen(gdouble dx, gdouble dy)
1799 {
1800 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1802 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1803 if (selection->isEmpty()) {
1804 return;
1805 }
1807 // same as sp_selection_move but divide deltas by zoom factor
1808 gdouble const zoom = desktop->current_zoom();
1809 gdouble const zdx = dx / zoom;
1810 gdouble const zdy = dy / zoom;
1811 sp_selection_move_relative(selection, zdx, zdy);
1813 if (dx == 0) {
1814 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:vertical", SP_VERB_CONTEXT_SELECT,
1815 _("Move vertically by pixels"));
1816 } else if (dy == 0) {
1817 sp_document_maybe_done(sp_desktop_document(desktop), "selector:move:horizontal", SP_VERB_CONTEXT_SELECT,
1818 _("Move horizontally by pixels"));
1819 } else {
1820 sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SELECT,
1821 _("Move"));
1822 }
1823 }
1825 namespace {
1827 template <typename D>
1828 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1829 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1831 template <typename D>
1832 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items, SPObject *root,
1833 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive);
1835 struct Forward {
1836 typedef SPObject *Iterator;
1838 static Iterator children(SPObject *o) { return sp_object_first_child(o); }
1839 static Iterator siblings_after(SPObject *o) { return SP_OBJECT_NEXT(o); }
1840 static void dispose(Iterator i) {}
1842 static SPObject *object(Iterator i) { return i; }
1843 static Iterator next(Iterator i) { return SP_OBJECT_NEXT(i); }
1844 };
1846 struct Reverse {
1847 typedef GSList *Iterator;
1849 static Iterator children(SPObject *o) {
1850 return make_list(o->firstChild(), NULL);
1851 }
1852 static Iterator siblings_after(SPObject *o) {
1853 return make_list(SP_OBJECT_PARENT(o)->firstChild(), o);
1854 }
1855 static void dispose(Iterator i) {
1856 g_slist_free(i);
1857 }
1859 static SPObject *object(Iterator i) {
1860 return reinterpret_cast<SPObject *>(i->data);
1861 }
1862 static Iterator next(Iterator i) { return i->next; }
1864 private:
1865 static GSList *make_list(SPObject *object, SPObject *limit) {
1866 GSList *list=NULL;
1867 while ( object != limit ) {
1868 list = g_slist_prepend(list, object);
1869 object = SP_OBJECT_NEXT(object);
1870 }
1871 return list;
1872 }
1873 };
1875 }
1877 void
1878 sp_selection_item_next(void)
1879 {
1880 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1881 g_return_if_fail(desktop != NULL);
1882 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1884 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1885 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1886 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1888 SPObject *root;
1889 if (PREFS_SELECTION_ALL != inlayer) {
1890 root = selection->activeContext();
1891 } else {
1892 root = desktop->currentRoot();
1893 }
1895 SPItem *item=next_item_from_list<Forward>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1897 if (item) {
1898 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1899 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1900 scroll_to_show_item(desktop, item);
1901 }
1902 }
1903 }
1905 void
1906 sp_selection_item_prev(void)
1907 {
1908 SPDocument *document = SP_ACTIVE_DOCUMENT;
1909 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
1910 g_return_if_fail(document != NULL);
1911 g_return_if_fail(desktop != NULL);
1912 Inkscape::Selection *selection = sp_desktop_selection(desktop);
1914 PrefsSelectionContext inlayer = (PrefsSelectionContext)prefs_get_int_attribute ("options.kbselection", "inlayer", PREFS_SELECTION_LAYER);
1915 bool onlyvisible = prefs_get_int_attribute ("options.kbselection", "onlyvisible", 1);
1916 bool onlysensitive = prefs_get_int_attribute ("options.kbselection", "onlysensitive", 1);
1918 SPObject *root;
1919 if (PREFS_SELECTION_ALL != inlayer) {
1920 root = selection->activeContext();
1921 } else {
1922 root = desktop->currentRoot();
1923 }
1925 SPItem *item=next_item_from_list<Reverse>(desktop, selection->itemList(), root, SP_CYCLING == SP_CYCLE_VISIBLE, inlayer, onlyvisible, onlysensitive);
1927 if (item) {
1928 selection->set(item, PREFS_SELECTION_LAYER_RECURSIVE == inlayer);
1929 if ( SP_CYCLING == SP_CYCLE_FOCUS ) {
1930 scroll_to_show_item(desktop, item);
1931 }
1932 }
1933 }
1935 namespace {
1937 template <typename D>
1938 SPItem *next_item_from_list(SPDesktop *desktop, GSList const *items,
1939 SPObject *root, bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1940 {
1941 SPObject *current=root;
1942 while (items) {
1943 SPItem *item=SP_ITEM(items->data);
1944 if ( root->isAncestorOf(item) &&
1945 ( !only_in_viewport || desktop->isWithinViewport(item) ) )
1946 {
1947 current = item;
1948 break;
1949 }
1950 items = items->next;
1951 }
1953 GSList *path=NULL;
1954 while ( current != root ) {
1955 path = g_slist_prepend(path, current);
1956 current = SP_OBJECT_PARENT(current);
1957 }
1959 SPItem *next;
1960 // first, try from the current object
1961 next = next_item<D>(desktop, path, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1962 g_slist_free(path);
1964 if (!next) { // if we ran out of objects, start over at the root
1965 next = next_item<D>(desktop, NULL, root, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1966 }
1968 return next;
1969 }
1971 template <typename D>
1972 SPItem *next_item(SPDesktop *desktop, GSList *path, SPObject *root,
1973 bool only_in_viewport, PrefsSelectionContext inlayer, bool onlyvisible, bool onlysensitive)
1974 {
1975 typename D::Iterator children;
1976 typename D::Iterator iter;
1978 SPItem *found=NULL;
1980 if (path) {
1981 SPObject *object=reinterpret_cast<SPObject *>(path->data);
1982 g_assert(SP_OBJECT_PARENT(object) == root);
1983 if (desktop->isLayer(object)) {
1984 found = next_item<D>(desktop, path->next, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1985 }
1986 iter = children = D::siblings_after(object);
1987 } else {
1988 iter = children = D::children(root);
1989 }
1991 while ( iter && !found ) {
1992 SPObject *object=D::object(iter);
1993 if (desktop->isLayer(object)) {
1994 if (PREFS_SELECTION_LAYER != inlayer) { // recurse into sublayers
1995 found = next_item<D>(desktop, NULL, object, only_in_viewport, inlayer, onlyvisible, onlysensitive);
1996 }
1997 } else if ( SP_IS_ITEM(object) &&
1998 ( !only_in_viewport || desktop->isWithinViewport(SP_ITEM(object)) ) &&
1999 ( !onlyvisible || !desktop->itemIsHidden(SP_ITEM(object))) &&
2000 ( !onlysensitive || !SP_ITEM(object)->isLocked()) &&
2001 !desktop->isLayer(SP_ITEM(object)) )
2002 {
2003 found = SP_ITEM(object);
2004 }
2005 iter = D::next(iter);
2006 }
2008 D::dispose(children);
2010 return found;
2011 }
2013 }
2015 /**
2016 * If \a item is not entirely visible then adjust visible area to centre on the centre on of
2017 * \a item.
2018 */
2019 void scroll_to_show_item(SPDesktop *desktop, SPItem *item)
2020 {
2021 NR::Rect dbox = desktop->get_display_area();
2022 NR::Maybe<NR::Rect> sbox = sp_item_bbox_desktop(item);
2024 if ( sbox && dbox.contains(*sbox) == false ) {
2025 NR::Point const s_dt = sbox->midpoint();
2026 NR::Point const s_w = desktop->d2w(s_dt);
2027 NR::Point const d_dt = dbox.midpoint();
2028 NR::Point const d_w = desktop->d2w(d_dt);
2029 NR::Point const moved_w( d_w - s_w );
2030 gint const dx = (gint) moved_w[X];
2031 gint const dy = (gint) moved_w[Y];
2032 desktop->scroll_world(dx, dy);
2033 }
2034 }
2037 void
2038 sp_selection_clone()
2039 {
2040 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
2041 if (desktop == NULL)
2042 return;
2044 Inkscape::Selection *selection = sp_desktop_selection(desktop);
2046 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
2048 // check if something is selected
2049 if (selection->isEmpty()) {
2050 desktop->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Select an <b>object</b> to clone."));
2051 return;
2052 }
2054 GSList *reprs = g_slist_copy((GSList *) selection->reprList());
2056 selection->clear();
2058 // sorting items from different parents sorts each parent's subset without possibly mixing them, just what we need
2059 reprs = g_slist_sort(reprs, (GCompareFunc) sp_repr_compare_position);
2061 GSList *newsel = NULL;
2063 while (reprs) {
2064 Inkscape::XML::Node *sel_repr = (Inkscape::XML::Node *) reprs->data;
2065 Inkscape::XML::Node *parent = sp_repr_parent(sel_repr);
2067 Inkscape::XML::Node *clone = xml_doc->createElement("svg:use");
2068 sp_repr_set_attr(clone, "x", "0");
2069 sp_repr_set_attr(clone, "y", "0");
2070 sp_repr_set_attr(clone, "xlink:href", g_strdup_printf("#%s", sel_repr->attribute("id")));
2072 sp_repr_set_attr(clone, "inkscape:transform-center-x", sel_repr->attribute("inkscape:transform-center-x"));
2073 sp_repr_set_attr(clone, "inkscape:transform-center-y", sel_repr->attribute("inkscape:transform-center-y"));
2075 // add the new clone to the top of the original's parent
2076 parent->appendChild(clone);
2078 newsel = g_slist_prepend(newsel, clone);
2079 reprs = g_slist_remove(reprs, sel_repr);
2080 Inkscape::GC::release(clone);
2081 }
2083 // TRANSLATORS: only translate "string" in "context|string".
2084 // For more details, see http://developer.gnome.org/doc/API/2.0/glib/glib-I18N.html#Q-:CAPS
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());
2850 NR::Maybe<NR::Rect> const bbox(desktop->selection->bounds());
2851 if (bbox && !bbox->isEmpty()) {
2852 doc->fitToRect(*bbox);
2853 }
2854 };
2856 void fit_canvas_to_drawing(SPDocument *doc) {
2857 g_return_if_fail(doc != NULL);
2859 sp_document_ensure_up_to_date(doc);
2860 SPItem const *const root = SP_ITEM(doc->root);
2861 NR::Maybe<NR::Rect> const bbox(root->getBounds(sp_item_i2r_affine(root)));
2862 if (bbox && !bbox->isEmpty()) {
2863 doc->fitToRect(*bbox);
2864 }
2865 };
2867 void fit_canvas_to_selection_or_drawing(SPDesktop *desktop) {
2868 g_return_if_fail(desktop != NULL);
2869 SPDocument *doc = sp_desktop_document(desktop);
2871 g_return_if_fail(doc != NULL);
2872 g_return_if_fail(desktop->selection != NULL);
2874 if (desktop->selection->isEmpty()) {
2875 fit_canvas_to_drawing(doc);
2876 } else {
2877 fit_canvas_to_selection(desktop);
2878 }
2880 sp_document_done(doc, SP_VERB_FIT_CANVAS_TO_DRAWING,
2881 _("Fit page to selection"));
2882 };
2884 static void itemtree_map(void (*f)(SPItem *, SPDesktop *), SPObject *root, SPDesktop *desktop) {
2885 // don't operate on layers
2886 if (SP_IS_ITEM(root) && !desktop->isLayer(SP_ITEM(root))) {
2887 f(SP_ITEM(root), desktop);
2888 }
2889 for ( SPObject::SiblingIterator iter = root->firstChild() ; iter ; ++iter ) {
2890 //don't recurse into locked layers
2891 if (!(SP_IS_ITEM(&*iter) && desktop->isLayer(SP_ITEM(&*iter)) && SP_ITEM(&*iter)->isLocked())) {
2892 itemtree_map(f, iter, desktop);
2893 }
2894 }
2895 }
2897 static void unlock(SPItem *item, SPDesktop *desktop) {
2898 if (item->isLocked()) {
2899 item->setLocked(FALSE);
2900 }
2901 }
2903 static void unhide(SPItem *item, SPDesktop *desktop) {
2904 if (desktop->itemIsHidden(item)) {
2905 item->setExplicitlyHidden(FALSE);
2906 }
2907 }
2909 static void process_all(void (*f)(SPItem *, SPDesktop *), SPDesktop *dt, bool layer_only) {
2910 if (!dt) return;
2912 SPObject *root;
2913 if (layer_only) {
2914 root = dt->currentLayer();
2915 } else {
2916 root = dt->currentRoot();
2917 }
2919 itemtree_map(f, root, dt);
2920 }
2922 void unlock_all(SPDesktop *dt) {
2923 process_all(&unlock, dt, true);
2924 }
2926 void unlock_all_in_all_layers(SPDesktop *dt) {
2927 process_all(&unlock, dt, false);
2928 }
2930 void unhide_all(SPDesktop *dt) {
2931 process_all(&unhide, dt, true);
2932 }
2934 void unhide_all_in_all_layers(SPDesktop *dt) {
2935 process_all(&unhide, dt, false);
2936 }
2938 /*
2939 Local Variables:
2940 mode:c++
2941 c-file-style:"stroustrup"
2942 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
2943 indent-tabs-mode:nil
2944 fill-column:99
2945 End:
2946 */
2947 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :